Long live Qt!

401 files changed, 217442 insertions, 0 deletions

diff --git a/src/corelib/QtCore.dynlist b/src/corelib/QtCore.dynlist
new file mode 100644
index 0000000000..51e4c5a34e
--- /dev/null
+++ b/src/corelib/QtCore.dynlist
@@ -0,0 +1,10 @@
+{
+     extern "C" {
+         "qt_startup_hook";
+         "qt_addObject";
+         "qt_removeObject";
+     };
+     extern "C++" {
+         "QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)";
+     };
+};
diff --git a/src/corelib/arch/alpha/arch.pri b/src/corelib/arch/alpha/arch.pri
new file mode 100644
index 0000000000..448a531f07
--- /dev/null
+++ b/src/corelib/arch/alpha/arch.pri
@@ -0,0 +1,4 @@
+#
+# Alpha architecture
+#
+!*-g++*:SOURCES += $$QT_ARCH_CPP/qatomic_alpha.s
diff --git a/src/corelib/arch/alpha/qatomic_alpha.s b/src/corelib/arch/alpha/qatomic_alpha.s
new file mode 100644
index 0000000000..9363b35daf
--- /dev/null
+++ b/src/corelib/arch/alpha/qatomic_alpha.s
@@ -0,0 +1,199 @@
+	.set noreorder
+	.set volatile
+	.set noat
+	.arch ev4
+	.text
+	.align 2
+	.align 4
+	.globl q_atomic_test_and_set_int
+	.ent q_atomic_test_and_set_int
+q_atomic_test_and_set_int:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldl_l $0,0($16)
+	cmpeq $0,$17,$0
+	beq   $0,3f
+	mov   $18,$0
+	stl_c $0,0($16)
+	beq   $0,2f
+	br    3f
+2:	br    1b
+3:	addl  $31,$0,$0
+	ret   $31,($26),1
+	.end q_atomic_test_and_set_int
+	.align 2
+	.align 4
+	.globl q_atomic_test_and_set_acquire_int
+	.ent q_atomic_test_and_set_acquire_int
+q_atomic_test_and_set_acquire_int:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldl_l $0,0($16)
+	cmpeq $0,$17,$0
+	beq   $0,3f
+	mov   $18,$0
+	stl_c $0,0($16)
+	beq   $0,2f
+	br    3f
+2:	br    1b
+3:	mb
+	addl  $31,$0,$0
+	ret   $31,($26),1
+	.end q_atomic_test_and_set_acquire_int
+	.align 2
+	.align 4
+	.globl q_atomic_test_and_set_release_int
+	.ent q_atomic_test_and_set_release_int
+q_atomic_test_and_set_release_int:
+	.frame $30,0,$26,0
+	.prologue 0
+	mb
+1:	ldl_l $0,0($16)
+	cmpeq $0,$17,$0
+	beq   $0,3f
+	mov   $18,$0
+	stl_c $0,0($16)
+	beq   $0,2f
+	br    3f
+2:	br    1b
+3:	addl  $31,$0,$0
+	ret   $31,($26),1
+	.end q_atomic_test_and_set_release_int
+	.align 2
+	.align 4
+	.globl q_atomic_test_and_set_ptr
+	.ent q_atomic_test_and_set_ptr
+q_atomic_test_and_set_ptr:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldq_l $0,0($16)
+	cmpeq $0,$17,$0
+	beq   $0,3f
+	mov   $18,$0
+	stq_c $0,0($16)
+	beq   $0,2f
+	br    3f
+2:	br    1b
+3:	addl  $31,$0,$0
+	ret   $31,($26),1
+	.end q_atomic_test_and_set_ptr
+	.align 2
+	.align 4
+	.globl q_atomic_increment
+	.ent q_atomic_increment
+q_atomic_increment:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldl_l $0,0($16)
+	addl  $0,1,$1
+	stl_c $1,0($16)
+	beq   $1,2f
+	br    3f
+2:	br    1b
+3:	addl $31,$0,$0
+	cmpeq $0,$1,$0
+	xor $0,1,$0
+	ret $31,($26),1
+	.end q_atomic_increment
+	.align 2
+	.align 4
+	.globl q_atomic_decrement
+	.ent q_atomic_decrement
+q_atomic_decrement:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldl_l $0,0($16)
+	subl  $0,1,$1
+	stl_c $1,0($16)
+	beq   $1,2f
+	br    3f
+2:	br    1b
+3:	addl  $31,$0,$0
+	cmpeq $0,1,$0
+	xor $0,1,$0
+	ret $31,($26),1
+	.end q_atomic_decrement
+	.align 2
+	.align 4
+	.globl q_atomic_set_int
+	.ent q_atomic_set_int
+q_atomic_set_int:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldl_l $0,0($16)
+	mov   $17,$1
+	stl_c $1,0($16)
+	beq   $1,2f
+	br    3f
+2:	br    1b
+3:	addl  $31,$0,$0
+	ret   $31,($26),1
+	.end q_atomic_set_int
+	.align 2
+	.align 4
+	.globl q_atomic_set_ptr
+	.ent q_atomic_set_ptr
+q_atomic_set_ptr:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldq_l $0,0($16)
+	mov   $17,$1
+	stq_c $1,0($16)
+	beq   $1,2f
+	br    3f
+2:	br    1b
+3:	ret   $31,($26),1
+	.end q_atomic_set_ptr
+
+	.align 2
+	.align 4
+	.globl q_atomic_fetch_and_add_int
+	.ent q_atomic_fetch_and_add_int
+q_atomic_fetch_and_add_int:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldl_l $0,0($16)
+	addl  $0,$17,$1
+	stl_c $1,0($16)
+	beq   $1,2f
+	br    3f
+2:	br    1b
+3:	addl $31,$0,$0
+	ret $31,($26),1
+	.end q_atomic_fetch_and_add_int
+
+	.align 2
+	.align 4
+	.globl q_atomic_fetch_and_add_acquire_int
+	.ent q_atomic_fetch_and_add_acquire_int
+q_atomic_fetch_and_add_acquire_int:
+	.frame $30,0,$26,0
+	.prologue 0
+1:	ldl_l $0,0($16)
+	addl  $0,$17,$1
+	stl_c $1,0($16)
+	beq   $1,2f
+	br    3f
+2:	br    1b
+3:	mb
+        addl $31,$0,$0
+	ret $31,($26),1
+	.end q_atomic_fetch_and_add_acquire_int
+
+	.align 2
+	.align 4
+	.globl q_atomic_fetch_and_add_release_int
+	.ent q_atomic_fetch_and_add_release_int
+q_atomic_fetch_and_add_release_int:
+	.frame $30,0,$26,0
+	.prologue 0
+        mb
+1:	ldl_l $0,0($16)
+	addl  $0,$17,$1
+	stl_c $1,0($16)
+	beq   $1,2f
+	br    3f
+2:	br    1b
+3:      addl $31,$0,$0
+	ret $31,($26),1
+	.end q_atomic_fetch_and_add_release_int
diff --git a/src/corelib/arch/arch.pri b/src/corelib/arch/arch.pri
new file mode 100644
index 0000000000..20b9227ee7
--- /dev/null
+++ b/src/corelib/arch/arch.pri
@@ -0,0 +1,26 @@
+win32:HEADERS += arch/qatomic_windows.h \
+                 arch/qatomic_generic.h
+
+mac:HEADERS += arch/qatomic_macosx.h \
+               arch/qatomic_generic.h
+
+!wince*:!win32:!mac:HEADERS += arch/qatomic_alpha.h \
+                       arch/qatomic_avr32.h \
+                       arch/qatomic_ia64.h \
+                       arch/qatomic_parisc.h \
+                       arch/qatomic_sparc.h \
+                       arch/qatomic_arch.h \
+                       arch/qatomic_generic.h \
+                       arch/qatomic_powerpc.h \
+                       arch/qatomic_arm.h \
+                       arch/qatomic_armv6.h \
+                       arch/qatomic_i386.h \
+                       arch/qatomic_mips.h \
+                       arch/qatomic_s390.h \
+                       arch/qatomic_x86_64.h \
+                       arch/qatomic_sh.h \
+                       arch/qatomic_sh4a.h
+
+QT_ARCH_CPP = $$QT_SOURCE_TREE/src/corelib/arch/$$QT_ARCH
+DEPENDPATH += $$QT_ARCH_CPP
+include($$QT_ARCH_CPP/arch.pri)
diff --git a/src/corelib/arch/arm/arch.pri b/src/corelib/arch/arm/arch.pri
new file mode 100644
index 0000000000..79e4bfc115
--- /dev/null
+++ b/src/corelib/arch/arm/arch.pri
@@ -0,0 +1,4 @@
+#
+# ARM architecture
+#
+SOURCES += $$QT_ARCH_CPP/qatomic_arm.cpp
diff --git a/src/corelib/arch/arm/qatomic_arm.cpp b/src/corelib/arch/arm/qatomic_arm.cpp
new file mode 100644
index 0000000000..901c181b01
--- /dev/null
+++ b/src/corelib/arch/arm/qatomic_arm.cpp
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qglobal.h>
+
+#include <unistd.h>
+#ifdef _POSIX_PRIORITY_SCHEDULING
+# include <sched.h>
+#endif
+#include <time.h>
+
+QT_BEGIN_NAMESPACE
+
+QT_USE_NAMESPACE
+
+Q_CORE_EXPORT char q_atomic_lock = 0;
+
+Q_CORE_EXPORT void qt_atomic_yield(int *count)
+{
+#ifdef _POSIX_PRIORITY_SCHEDULING
+    if((*count)++ < 50) {
+        sched_yield();
+    } else
+#endif
+    {
+        struct timespec tm;
+        tm.tv_sec = 0;
+        tm.tv_nsec = 2000001;
+        nanosleep(&tm, NULL);
+        *count = 0;
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/arch/armv6/arch.pri b/src/corelib/arch/armv6/arch.pri
new file mode 100644
index 0000000000..fd0cce1520
--- /dev/null
+++ b/src/corelib/arch/armv6/arch.pri
@@ -0,0 +1,3 @@
+#
+# ARMv6
+#
diff --git a/src/corelib/arch/avr32/arch.pri b/src/corelib/arch/avr32/arch.pri
new file mode 100644
index 0000000000..37f231ee61
--- /dev/null
+++ b/src/corelib/arch/avr32/arch.pri
@@ -0,0 +1,3 @@
+#
+# AVR32 architecture
+#
diff --git a/src/corelib/arch/bfin/arch.pri b/src/corelib/arch/bfin/arch.pri
new file mode 100644
index 0000000000..fa198ae8bb
--- /dev/null
+++ b/src/corelib/arch/bfin/arch.pri
@@ -0,0 +1,3 @@
+# 
+# Blackfin architecture
+#
diff --git a/src/corelib/arch/generic/arch.pri b/src/corelib/arch/generic/arch.pri
new file mode 100644
index 0000000000..8fee63fa5d
--- /dev/null
+++ b/src/corelib/arch/generic/arch.pri
@@ -0,0 +1,6 @@
+#
+# 'generic' architecture
+#
+
+unix:SOURCES += qatomic_generic_unix.cpp
+win32:SOURCES += qatomic_generic_windows.cpp
diff --git a/src/corelib/arch/generic/qatomic_generic_unix.cpp b/src/corelib/arch/generic/qatomic_generic_unix.cpp
new file mode 100644
index 0000000000..15918bec87
--- /dev/null
+++ b/src/corelib/arch/generic/qatomic_generic_unix.cpp
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include <QtCore/qatomic.h>
+
+static pthread_mutex_t qAtomicMutex = PTHREAD_MUTEX_INITIALIZER;
+
+Q_CORE_EXPORT
+bool QBasicAtomicInt_testAndSetOrdered(volatile int *_q_value, int expectedValue, int newValue)
+{
+    bool returnValue = false;
+    pthread_mutex_lock(&qAtomicMutex);
+    if (*_q_value == expectedValue) {
+        *_q_value = newValue;
+        returnValue = true;
+    }
+    pthread_mutex_unlock(&qAtomicMutex);
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *_q_value, int newValue)
+{
+    int returnValue;
+    pthread_mutex_lock(&qAtomicMutex);
+    returnValue = *_q_value;
+    *_q_value = newValue;
+    pthread_mutex_unlock(&qAtomicMutex);
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+int QBasicAtomicInt_fetchAndAddOrdered(volatile int *_q_value, int valueToAdd)
+{
+    int returnValue;
+    pthread_mutex_lock(&qAtomicMutex);
+    returnValue = *_q_value;
+    *_q_value += valueToAdd;
+    pthread_mutex_unlock(&qAtomicMutex);
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *_q_value,
+                                           void *expectedValue,
+                                           void *newValue)
+{
+    bool returnValue = false;
+    pthread_mutex_lock(&qAtomicMutex);
+    if (*_q_value == expectedValue) {
+        *_q_value = newValue;
+        returnValue = true;
+    }
+    pthread_mutex_unlock(&qAtomicMutex);
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *_q_value, void *newValue)
+{
+    void *returnValue;
+    pthread_mutex_lock(&qAtomicMutex);
+    returnValue = *_q_value;
+    *_q_value = newValue;
+    pthread_mutex_unlock(&qAtomicMutex);
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *_q_value, qptrdiff valueToAdd)
+{
+    void *returnValue;
+    pthread_mutex_lock(&qAtomicMutex);
+    returnValue = *_q_value;
+    *_q_value = reinterpret_cast<char *>(returnValue) + valueToAdd;
+    pthread_mutex_unlock(&qAtomicMutex);
+    return returnValue;
+}
diff --git a/src/corelib/arch/generic/qatomic_generic_windows.cpp b/src/corelib/arch/generic/qatomic_generic_windows.cpp
new file mode 100644
index 0000000000..13ef767728
--- /dev/null
+++ b/src/corelib/arch/generic/qatomic_generic_windows.cpp
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include <QtCore/qatomic.h>
+
+
+class QCriticalSection
+{
+public:
+        QCriticalSection()  { InitializeCriticalSection(&section); }
+        ~QCriticalSection() { DeleteCriticalSection(&section); }
+        void lock()         { EnterCriticalSection(&section); }
+        void unlock()       { LeaveCriticalSection(&section); }
+
+private:
+        CRITICAL_SECTION section;
+};
+
+static QCriticalSection qAtomicCriticalSection;
+
+Q_CORE_EXPORT
+bool QBasicAtomicInt_testAndSetOrdered(volatile int *_q_value, int expectedValue, int newValue)
+{
+    bool returnValue = false;
+    qAtomicCriticalSection.lock();
+    if (*_q_value == expectedValue) {
+        *_q_value = newValue;
+        returnValue = true;
+    }
+        qAtomicCriticalSection.unlock();
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *_q_value, int newValue)
+{
+    int returnValue;
+        qAtomicCriticalSection.lock();
+    returnValue = *_q_value;
+    *_q_value = newValue;
+        qAtomicCriticalSection.unlock();
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+int QBasicAtomicInt_fetchAndAddOrdered(volatile int *_q_value, int valueToAdd)
+{
+    int returnValue;
+        qAtomicCriticalSection.lock();
+    returnValue = *_q_value;
+    *_q_value += valueToAdd;
+        qAtomicCriticalSection.unlock();
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *_q_value,
+                                           void *expectedValue,
+                                           void *newValue)
+{
+    bool returnValue = false;
+        qAtomicCriticalSection.lock();
+    if (*_q_value == expectedValue) {
+        *_q_value = newValue;
+        returnValue = true;
+    }
+        qAtomicCriticalSection.unlock();
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *_q_value, void *newValue)
+{
+    void *returnValue;
+        qAtomicCriticalSection.lock();
+    returnValue = *_q_value;
+    *_q_value = newValue;
+        qAtomicCriticalSection.unlock();
+    return returnValue;
+}
+
+Q_CORE_EXPORT
+void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *_q_value, qptrdiff valueToAdd)
+{
+    void *returnValue;
+        qAtomicCriticalSection.lock();
+    returnValue = *_q_value;
+    *_q_value = reinterpret_cast<char *>(returnValue) + valueToAdd;
+        qAtomicCriticalSection.unlock();
+    return returnValue;
+}
diff --git a/src/corelib/arch/i386/arch.pri b/src/corelib/arch/i386/arch.pri
new file mode 100644
index 0000000000..3101dae01b
--- /dev/null
+++ b/src/corelib/arch/i386/arch.pri
@@ -0,0 +1,4 @@
+# 
+# i386 architecture
+#
+!*-g++*:!*-icc*:SOURCES += $$QT_ARCH_CPP/qatomic_i386.s
diff --git a/src/corelib/arch/i386/qatomic_i386.s b/src/corelib/arch/i386/qatomic_i386.s
new file mode 100644
index 0000000000..08158f926b
--- /dev/null
+++ b/src/corelib/arch/i386/qatomic_i386.s
@@ -0,0 +1,103 @@
+	.text
+
+	.align 4,0x90
+	.globl q_atomic_test_and_set_int
+q_atomic_test_and_set_int:
+	movl		 4(%esp),%ecx
+	movl		 8(%esp),%eax
+	movl		12(%esp),%edx
+	lock
+	cmpxchgl	%edx,(%ecx)
+	mov		$0,%eax
+ 	sete		%al
+	ret
+	.align 4,0x90
+	.type q_atomic_test_and_set_int,@function
+	.size q_atomic_test_and_set_int,.-q_atomic_test_and_set_int
+
+	.align 4,0x90
+	.globl q_atomic_test_and_set_ptr
+q_atomic_test_and_set_ptr:
+	movl		 4(%esp),%ecx
+	movl		 8(%esp),%eax
+	movl		12(%esp),%edx
+	lock 
+	cmpxchgl	%edx,(%ecx)
+	mov		$0,%eax
+	sete		%al
+	ret
+	.align    4,0x90
+	.type	q_atomic_test_and_set_ptr,@function
+	.size	q_atomic_test_and_set_ptr,.-q_atomic_test_and_set_ptr
+
+	.align 4,0x90
+	.globl q_atomic_increment
+q_atomic_increment:
+	movl 4(%esp), %ecx
+	lock 
+	incl (%ecx)
+	mov $0,%eax
+	setne %al
+	ret
+	.align 4,0x90
+	.type q_atomic_increment,@function
+	.size	q_atomic_increment,.-q_atomic_increment
+
+	.align 4,0x90
+	.globl q_atomic_decrement
+q_atomic_decrement:
+	movl 4(%esp), %ecx
+	lock 
+	decl (%ecx)
+	mov $0,%eax
+	setne %al
+	ret
+	.align 4,0x90
+	.type q_atomic_decrement,@function
+	.size	q_atomic_decrement,.-q_atomic_decrement
+
+	.align 4,0x90
+	.globl q_atomic_set_int
+q_atomic_set_int:
+	mov 4(%esp),%ecx
+	mov 8(%esp),%eax
+	xchgl %eax,(%ecx)
+	ret	
+	.align 4,0x90
+	.type q_atomic_set_int,@function
+	.size	q_atomic_set_int,.-q_atomic_set_int
+
+	.align 4,0x90
+	.globl q_atomic_set_ptr
+q_atomic_set_ptr:
+	mov 4(%esp),%ecx
+	mov 8(%esp),%eax
+	xchgl %eax,(%ecx)
+	ret	
+	.align 4,0x90
+	.type q_atomic_set_ptr,@function
+	.size	q_atomic_set_ptr,.-q_atomic_set_ptr
+
+        .align 4,0x90
+        .globl q_atomic_fetch_and_add_int
+q_atomic_fetch_and_add_int:
+        mov 4(%esp),%ecx
+        mov 8(%esp),%eax
+        lock
+        xadd %eax,(%ecx)
+        ret
+        .align 4,0x90
+        .type q_atomic_fetch_and_add_int,@function
+        .size q_atomic_fetch_and_add_int,.-q_atomic_fetch_and_add_int
+
+        .align 4,0x90
+        .globl q_atomic_fetch_and_add_ptr
+q_atomic_fetch_and_add_ptr:
+        mov 4(%esp),%ecx
+        mov 8(%esp),%eax
+        lock
+        xadd %eax,(%ecx)
+        ret
+        .align 4,0x90
+        .type q_atomic_fetch_and_add_ptr,@function
+        .size q_atomic_fetch_and_add_ptr,.-q_atomic_fetch_and_add_ptr
diff --git a/src/corelib/arch/ia64/arch.pri b/src/corelib/arch/ia64/arch.pri
new file mode 100644
index 0000000000..63afa967a4
--- /dev/null
+++ b/src/corelib/arch/ia64/arch.pri
@@ -0,0 +1,4 @@
+# 
+# Intel Itanium architecture
+#
+!*-g++:!*-icc:!hpuxi-acc-*:SOURCES += $$QT_ARCH_CPP/qatomic_ia64.s
diff --git a/src/corelib/arch/ia64/qatomic_ia64.s b/src/corelib/arch/ia64/qatomic_ia64.s
new file mode 100644
index 0000000000..6b8a204427
--- /dev/null
+++ b/src/corelib/arch/ia64/qatomic_ia64.s
@@ -0,0 +1,34 @@
+	.pred.safe_across_calls p1-p5,p16-p63
+.text
+	.align 16
+	.global q_atomic_test_and_set_int#
+	.proc q_atomic_test_and_set_int#
+q_atomic_test_and_set_int:
+	.prologue
+	.body
+	mov ar.ccv=r33
+	;;
+	cmpxchg4.acq r34=[r32],r34,ar.ccv
+	;;
+	cmp4.eq p6, p7 = r33, r34
+	;;
+	(p6) addl r8 = 1, r0
+	(p7) mov r8 = r0
+	br.ret.sptk.many b0
+	.endp q_atomic_test_and_set_int#
+	.align 16
+	.global q_atomic_test_and_set_ptr#
+	.proc q_atomic_test_and_set_ptr#
+q_atomic_test_and_set_ptr:
+	.prologue
+	.body
+	mov ar.ccv=r33
+	;;
+	cmpxchg8.acq r34=[r32],r34,ar.ccv
+	;;
+	cmp.eq p6, p7 = r33, r34
+	;;
+	(p6) addl r8 = 1, r0
+	(p7) mov r8 = r0
+	br.ret.sptk.many b0
+	.endp q_atomic_test_and_set_ptr#
diff --git a/src/corelib/arch/macosx/arch.pri b/src/corelib/arch/macosx/arch.pri
new file mode 100644
index 0000000000..e42a9622aa
--- /dev/null
+++ b/src/corelib/arch/macosx/arch.pri
@@ -0,0 +1,7 @@
+#
+# Mac OS X architecture
+#
+!*-icc*:!*-g++* {
+   contains($$list($$system(uname -m)), .*86):SOURCES += $$QT_ARCH_CPP/../i386/qatomic.s
+   else:SOURCES += $$QT_ARCH_CPP/../powerpc/qatomic32.s
+}
diff --git a/src/corelib/arch/macosx/qatomic32_ppc.s b/src/corelib/arch/macosx/qatomic32_ppc.s
new file mode 100644
index 0000000000..13fff67522
--- /dev/null
+++ b/src/corelib/arch/macosx/qatomic32_ppc.s
@@ -0,0 +1,129 @@
+	.section __TEXT,__text,regular,pure_instructions
+	.section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+	.align 2
+	.globl _q_atomic_test_and_set_int
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+_q_atomic_test_and_set_int:
+	lwarx  r6,0,r3
+        cmpw   r6,r4
+        bne-   $+20
+        stwcx. r5,0,r3
+        bne-   $-16
+        addi   r3,0,1
+        blr
+        addi   r3,0,0
+	blr
+
+	.align 2
+	.globl _q_atomic_test_and_set_acquire_int
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+_q_atomic_test_and_set_acquire_int:
+	lwarx  r6,0,r3
+        cmpw   r6,r4
+        bne-   $+20
+        stwcx. r5,0,r3
+        bne-   $-16
+        addi   r3,0,1
+        b      $+8
+        addi   r3,0,0
+        eieio
+	blr
+
+	.align 2
+	.globl _q_atomic_test_and_set_release_int
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+_q_atomic_test_and_set_release_int:
+        eieio
+	lwarx  r6,0,r3
+        cmpw   r6,r4
+        bne-   $+20
+        stwcx. r5,0,r3
+        bne-   $-16
+        addi   r3,0,1
+        blr
+        addi   r3,0,0
+	blr
+
+	.align 2
+	.globl _q_atomic_test_and_set_ptr
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+_q_atomic_test_and_set_ptr:
+	lwarx  r6,0,r3
+        cmpw   r6,r4
+        bne-   $+20
+        stwcx. r5,0,r3
+        bne-   $-16
+        addi   r3,0,1
+        blr
+        addi   r3,0,0
+	blr
+
+	.align 2
+	.globl _q_atomic_increment
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+_q_atomic_increment:
+	lwarx  r4,0,r3
+        addi   r4,r4,1
+        stwcx. r4,0,r3
+        bne-   $-12
+	mr     r3,r4
+	blr
+
+	.align 2
+	.globl _q_atomic_decrement
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+_q_atomic_decrement:
+	lwarx  r4,0,r3
+        subi   r4,r4,1
+        stwcx. r4,0,r3
+        bne-   $-12
+	mr     r3,r4
+	blr
+
+	.align 2
+	.globl _q_atomic_set_int
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+_q_atomic_set_int:
+	lwarx  r5,0,r3
+        stwcx. r4,0,r3
+        bne-   $-8
+	mr     r3,r5
+	blr
+
+	.align 2
+	.globl _q_atomic_set_ptr
+        .section __TEXT,__text,regular,pure_instructions
+	.align 2
+_q_atomic_set_ptr:
+	lwarx  r5,0,r3
+        stwcx. r4,0,r3
+        bne-   $-8
+	mr     r3,r5
+	blr
+
+.globl q_atomic_test_and_set_int.eh
+	q_atomic_test_and_set_int.eh = 0
+.globl q_atomic_test_and_set_ptr.eh
+	q_atomic_test_and_set_ptr.eh = 0
+.globl q_atomic_increment.eh
+	q_atomic_increment.eh = 0
+.globl q_atomic_decrement.eh
+	q_atomic_decrement.eh = 0
+.globl q_atomic_set_int.eh
+	q_atomic_set_int.eh = 0
+.globl q_atomic_set_ptr.eh
+	q_atomic_set_ptr.eh = 0
+.data
+.constructor
+.data
+.destructor
+.align 1
diff --git a/src/corelib/arch/mips/arch.pri b/src/corelib/arch/mips/arch.pri
new file mode 100644
index 0000000000..296c845ab3
--- /dev/null
+++ b/src/corelib/arch/mips/arch.pri
@@ -0,0 +1,8 @@
+#
+# MIPS 3/4 architecture
+#
+
+# note: even though we use inline assembler with gcc, we always
+# include the compiled version to keep binary compatibility
+*-64:SOURCES += $$QT_ARCH_CPP/qatomic_mips64.s
+else:SOURCES += $$QT_ARCH_CPP/qatomic_mips32.s
diff --git a/src/corelib/arch/mips/qatomic_mips32.s b/src/corelib/arch/mips/qatomic_mips32.s
new file mode 100644
index 0000000000..e7a449bc96
--- /dev/null
+++ b/src/corelib/arch/mips/qatomic_mips32.s
@@ -0,0 +1,110 @@
+	.set nobopt
+	.set noreorder
+	.option pic2
+	.text
+
+	.globl	q_atomic_test_and_set_int
+	.ent	q_atomic_test_and_set_int
+        .set mips2
+q_atomic_test_and_set_int:
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	jr   $31
+	move $2,$0
+        .set mips0
+	.end	q_atomic_test_and_set_int
+
+	.globl	q_atomic_test_and_set_acquire_int
+	.ent	q_atomic_test_and_set_acquire_int
+        .set mips2
+q_atomic_test_and_set_acquire_int:
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	sync
+	jr   $31
+	move $2,$0
+        .set mips0
+	.end	q_atomic_test_and_set_acquire_int
+	
+	.globl	q_atomic_test_and_set_release_int
+	.ent	q_atomic_test_and_set_release_int
+        .set mips2
+q_atomic_test_and_set_release_int:
+	sync
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	jr   $31
+	move $2,$0
+        .set mips0
+	.end	q_atomic_test_and_set_release_int
+
+	.globl	q_atomic_test_and_set_ptr
+	.ent	q_atomic_test_and_set_ptr
+        .set mips2
+q_atomic_test_and_set_ptr:
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	jr   $31
+	move $2,$0
+        .set mips0
+	.end	q_atomic_test_and_set_ptr
+
+	.globl	q_atomic_test_and_set_acquire_ptr
+	.ent	q_atomic_test_and_set_acquire_ptr
+        .set mips2
+q_atomic_test_and_set_acquire_ptr:
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	sync
+	jr   $31
+	move $2,$0
+        .set mips0
+	.end	q_atomic_test_and_set_acquire_ptr
+	
+	.globl	q_atomic_test_and_set_release_ptr
+	.ent	q_atomic_test_and_set_release_ptr
+        .set mips2
+q_atomic_test_and_set_release_ptr:
+	sync
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	jr   $31
+	move $2,$0
+        .set mips0
+	.end	q_atomic_test_and_set_release_ptr
diff --git a/src/corelib/arch/mips/qatomic_mips64.s b/src/corelib/arch/mips/qatomic_mips64.s
new file mode 100644
index 0000000000..d2bd8fe65a
--- /dev/null
+++ b/src/corelib/arch/mips/qatomic_mips64.s
@@ -0,0 +1,98 @@
+	.set nobopt
+	.set noreorder
+	.option pic2
+	.text
+
+	.globl	q_atomic_test_and_set_int
+	.ent	q_atomic_test_and_set_int
+q_atomic_test_and_set_int:
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	jr   $31
+	move $2,$0
+	.end	q_atomic_test_and_set_int
+
+	.globl	q_atomic_test_and_set_acquire_int
+	.ent	q_atomic_test_and_set_acquire_int
+q_atomic_test_and_set_acquire_int:
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	sync
+	jr   $31
+	move $2,$0
+	.end	q_atomic_test_and_set_acquire_int
+
+	.globl	q_atomic_test_and_set_release_int
+	.ent	q_atomic_test_and_set_release_int
+q_atomic_test_and_set_release_int:
+	sync
+1:	ll   $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	sc   $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	jr   $31
+	move $2,$0
+	.end	q_atomic_test_and_set_release_int
+
+	.globl	q_atomic_test_and_set_ptr
+	.ent	q_atomic_test_and_set_ptr
+q_atomic_test_and_set_ptr:
+1:	lld  $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	scd  $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	jr   $31
+	move $2,$0
+	.end	q_atomic_test_and_set_ptr
+
+	.globl	q_atomic_test_and_set_acquire_ptr
+	.ent	q_atomic_test_and_set_acquire_ptr
+q_atomic_test_and_set_acquire_ptr:
+1:	lld  $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	scd  $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	sync
+	jr   $31
+	move $2,$0
+	.end	q_atomic_test_and_set_acquire_ptr
+	
+	.globl	q_atomic_test_and_set_release_ptr
+	.ent	q_atomic_test_and_set_release_ptr
+q_atomic_test_and_set_release_ptr:
+	sync
+1:	lld  $8,0($4)
+	bne  $8,$5,2f
+	move $2,$6
+	scd  $2,0($4)
+	beqz $2,1b
+	nop
+	jr   $31
+	nop
+2:	jr   $31
+	move $2,$0
+	.end	q_atomic_test_and_set_release_ptr
diff --git a/src/corelib/arch/parisc/arch.pri b/src/corelib/arch/parisc/arch.pri
new file mode 100644
index 0000000000..fab2897f04
--- /dev/null
+++ b/src/corelib/arch/parisc/arch.pri
@@ -0,0 +1,5 @@
+#
+# HP PA-RISC architecture
+#
+SOURCES += $$QT_ARCH_CPP/q_ldcw.s \
+	   $$QT_ARCH_CPP/qatomic_parisc.cpp
diff --git a/src/corelib/arch/parisc/q_ldcw.s b/src/corelib/arch/parisc/q_ldcw.s
new file mode 100644
index 0000000000..f901ad9115
--- /dev/null
+++ b/src/corelib/arch/parisc/q_ldcw.s
@@ -0,0 +1,22 @@
+	.SPACE $PRIVATE$
+	.SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31
+	.SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82
+	.SPACE $TEXT$
+	.SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44
+	.SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY
+	.IMPORT $global$,DATA
+	.IMPORT $$dyncall,MILLICODE
+	.SPACE $TEXT$
+	.SUBSPA $CODE$
+
+	.align 4
+	.EXPORT q_ldcw,ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR
+q_ldcw
+	.PROC
+	.CALLINFO FRAME=0,CALLS,SAVE_RP
+	.ENTRY
+	ldcw 0(%r26),%r1
+	bv %r0(%r2)
+	copy %r1,%r28
+	.EXIT
+	.PROCEND
diff --git a/src/corelib/arch/parisc/qatomic_parisc.cpp b/src/corelib/arch/parisc/qatomic_parisc.cpp
new file mode 100644
index 0000000000..580838e9aa
--- /dev/null
+++ b/src/corelib/arch/parisc/qatomic_parisc.cpp
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qhash.h>
+
+QT_BEGIN_NAMESPACE
+
+QT_USE_NAMESPACE
+
+#define UNLOCKED    {-1,-1,-1,-1}
+#define UNLOCKED2      UNLOCKED,UNLOCKED
+#define UNLOCKED4     UNLOCKED2,UNLOCKED2
+#define UNLOCKED8     UNLOCKED4,UNLOCKED4
+#define UNLOCKED16    UNLOCKED8,UNLOCKED8
+#define UNLOCKED32   UNLOCKED16,UNLOCKED16
+#define UNLOCKED64   UNLOCKED32,UNLOCKED32
+#define UNLOCKED128  UNLOCKED64,UNLOCKED64
+#define UNLOCKED256 UNLOCKED128,UNLOCKED128
+
+// use a 4k page for locks
+static int locks[256][4] = { UNLOCKED256 };
+
+int *getLock(volatile void *addr)
+{ return locks[qHash(const_cast<void *>(addr)) % 256]; }
+
+static int *align16(int *lock)
+{
+    ulong off = (((ulong) lock) % 16);
+    return off ? (int *)(ulong(lock) + 16 - off) : lock;
+}
+
+extern "C" {
+
+    int q_ldcw(volatile int *addr);
+
+    void q_atomic_lock(int *lock)
+    {
+        // ldcw requires a 16-byte aligned address
+        volatile int *x = align16(lock);
+        while (q_ldcw(x) == 0)
+	    ;
+    }
+
+    void q_atomic_unlock(int *lock)
+    { lock[0] = lock[1] = lock[2] = lock[3] = -1; }
+}
+
+
+QT_END_NAMESPACE
diff --git a/src/corelib/arch/powerpc/arch.pri b/src/corelib/arch/powerpc/arch.pri
new file mode 100644
index 0000000000..1989ac73a7
--- /dev/null
+++ b/src/corelib/arch/powerpc/arch.pri
@@ -0,0 +1,10 @@
+#
+# PowerPC architecture
+#
+!*-g++* {
+    *-64 {
+        SOURCES += $$QT_ARCH_CPP/qatomic64.s
+    } else {
+        SOURCES += $$QT_ARCH_CPP/qatomic32.s
+    }
+}
diff --git a/src/corelib/arch/powerpc/qatomic32.s b/src/corelib/arch/powerpc/qatomic32.s
new file mode 100644
index 0000000000..811ba842d5
--- /dev/null
+++ b/src/corelib/arch/powerpc/qatomic32.s
@@ -0,0 +1,485 @@
+	.machine "ppc"
+	.toc
+	.csect .text[PR]
+
+	.align 2
+	.globl q_atomic_test_and_set_int
+	.globl .q_atomic_test_and_set_int
+	.csect q_atomic_test_and_set_int[DS],3
+q_atomic_test_and_set_int:
+	.long .q_atomic_test_and_set_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_int:
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+12
+	stwcx. 5,0,3
+	bne-   $-16
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_int:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_int-.q_atomic_test_and_set_int
+	.short 25
+	.byte "q_atomic_test_and_set_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_acquire_int
+	.globl .q_atomic_test_and_set_acquire_int
+	.csect q_atomic_test_and_set_acquire_int[DS],3
+q_atomic_test_and_set_acquire_int:
+	.long .q_atomic_test_and_set_acquire_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_acquire_int:
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+16
+	stwcx. 5,0,3
+	bne-   $-16
+        isync
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_acquire_int:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_acquire_int-.q_atomic_test_and_set_acquire_int
+	.short 33
+	.byte "q_atomic_test_and_set_acquire_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_release_int
+	.globl .q_atomic_test_and_set_release_int
+	.csect q_atomic_test_and_set_release_int[DS],3
+q_atomic_test_and_set_release_int:
+	.long .q_atomic_test_and_set_release_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_release_int:
+        eieio
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+12
+	stwcx. 5,0,3
+	bne-   $-16
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_release_int:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_release_int-.q_atomic_test_and_set_release_int
+	.short 33
+	.byte "q_atomic_test_and_set_release_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_ptr
+	.globl .q_atomic_test_and_set_ptr
+	.csect q_atomic_test_and_set_ptr[DS],3
+q_atomic_test_and_set_ptr:
+	.long .q_atomic_test_and_set_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_ptr:
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+12
+	stwcx. 5,0,3
+	bne-   $-16
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_ptr-.q_atomic_test_and_set_ptr
+	.short 25
+	.byte "q_atomic_test_and_set_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_acquire_ptr
+	.globl .q_atomic_test_and_set_acquire_ptr
+	.csect q_atomic_test_and_set_acquire_ptr[DS],3
+q_atomic_test_and_set_acquire_ptr:
+	.long .q_atomic_test_and_set_acquire_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_acquire_ptr:
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+16
+	stwcx. 5,0,3
+	bne-   $-16
+        isync
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_acquire_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_acquire_ptr-.q_atomic_test_and_set_acquire_ptr
+	.short 25
+	.byte "q_atomic_test_and_set_acquire_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_release_ptr
+	.globl .q_atomic_test_and_set_release_ptr
+	.csect q_atomic_test_and_set_release_ptr[DS],3
+q_atomic_test_and_set_release_ptr:
+	.long .q_atomic_test_and_set_release_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_release_ptr:
+        eieio
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+12
+	stwcx. 5,0,3
+	bne-   $-16
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_release_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_release_ptr-.q_atomic_test_and_set_release_ptr
+	.short 33
+	.byte "q_atomic_test_and_set_release_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_increment
+	.globl .q_atomic_increment
+	.csect q_atomic_increment[DS],3
+q_atomic_increment:
+	.long .q_atomic_increment,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_increment:
+	lwarx  4,0,3
+	addi   4,4,1
+	stwcx. 4,0,3
+	bne-   $-12
+	mr     3,4
+	blr
+LT..q_atomic_increment:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_increment-.q_atomic_increment
+	.short 18
+	.byte "q_atomic_increment"
+	.align 2
+
+	.align 2
+	.globl q_atomic_decrement
+	.globl .q_atomic_decrement
+	.csect q_atomic_decrement[DS],3
+q_atomic_decrement:
+	.long .q_atomic_decrement,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_decrement:
+	lwarx  4,0,3
+	subi   4,4,1
+	stwcx. 4,0,3
+	bne-   $-12
+	mr     3,4
+	blr
+LT..q_atomic_decrement:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_decrement-.q_atomic_decrement
+	.short 18
+	.byte "q_atomic_decrement"
+	.align 2
+
+	.align 2
+	.globl q_atomic_set_int
+	.globl .q_atomic_set_int
+	.csect q_atomic_set_int[DS],3
+q_atomic_set_int:
+	.long .q_atomic_set_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_set_int:
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+	mr     3,5
+	blr
+LT..q_atomic_set_int:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_set_int-.q_atomic_set_int
+	.short 16
+	.byte "q_atomic_set_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_store_acquire_int
+	.globl .q_atomic_fetch_and_store_acquire_int
+	.csect q_atomic_fetch_and_store_acquire_int[DS],3
+q_atomic_fetch_and_store_acquire_int:
+	.long .q_atomic_fetch_and_store_acquire_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_store_acquire_int:
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+        isync
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_store_acquire_int:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_fetch_and_store_acquire_int-.q_atomic_fetch_and_store_acquire_int
+	.short 16
+	.byte "q_atomic_fetch_and_store_acquire_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_store_release_int
+	.globl .q_atomic_fetch_and_store_release_int
+	.csect q_atomic_fetch_and_store_release_int[DS],3
+q_atomic_fetch_and_store_release_int:
+	.long .q_atomic_fetch_and_store_release_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_store_release_int:
+        eieio
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_store_release_int:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_fetch_and_store_release_int-.q_atomic_fetch_and_store_release_int
+	.short 16
+	.byte "q_atomic_fetch_and_store_release_int"
+	.align 2
+
+        .align 2
+	.globl q_atomic_set_ptr
+	.globl .q_atomic_set_ptr
+	.csect q_atomic_set_ptr[DS],3
+q_atomic_set_ptr:
+	.long .q_atomic_set_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_set_ptr:
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+	mr     3,5
+	blr
+LT..q_atomic_set_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_set_ptr-.q_atomic_set_ptr
+	.short 16
+	.byte "q_atomic_set_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_store_acquire_ptr
+	.globl .q_atomic_fetch_and_store_acquire_ptr
+	.csect q_atomic_fetch_and_store_acquire_ptr[DS],3
+q_atomic_fetch_and_store_acquire_ptr:
+	.long .q_atomic_fetch_and_store_acquire_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_store_acquire_ptr:
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+        isync
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_store_acquire_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_fetch_and_store_acquire_ptr-.q_atomic_fetch_and_store_acquire_ptr
+	.short 16
+	.byte "q_atomic_fetch_and_store_acquire_ptr"
+	.align 2
+
+        .align 2
+	.globl q_atomic_fetch_and_store_release_ptr
+	.globl .q_atomic_fetch_and_store_release_ptr
+	.csect q_atomic_fetch_and_store_release_ptr[DS],3
+q_atomic_fetch_and_store_release_ptr:
+	.long .q_atomic_fetch_and_store_release_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_store_release_ptr:
+        eieio
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_store_release_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_fetch_and_store_release_ptr-.q_atomic_fetch_and_store_release_ptr
+	.short 16
+	.byte "q_atomic_fetch_and_store_release_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_int
+	.globl .q_atomic_fetch_and_add_int
+	.csect q_atomic_fetch_and_add_int[DS],3
+q_atomic_fetch_and_add_int:
+	.long .q_atomic_fetch_and_add_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_int:
+	lwarx  5,0,3
+	add    6,4,5
+	stwcx. 6,0,3
+	bne-   $-12
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_int:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_int-.q_atomic_fetch_and_add_int
+	.short 18
+	.byte "q_atomic_fetch_and_add_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_acquire_int
+	.globl .q_atomic_fetch_and_add_acquire_int
+	.csect q_atomic_fetch_and_add_acquire_int[DS],3
+q_atomic_fetch_and_add_acquire_int:
+	.long .q_atomic_fetch_and_add_acquire_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_acquire_int:
+	lwarx  5,0,3
+	add    6,4,5
+	stwcx. 6,0,3
+	bne-   $-12
+        isync
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_acquire_int:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_acquire_int-.q_atomic_fetch_and_add_acquire_int
+	.short 18
+	.byte "q_atomic_fetch_and_add_acquire_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_release_int
+	.globl .q_atomic_fetch_and_add_release_int
+	.csect q_atomic_fetch_and_add_release_int[DS],3
+q_atomic_fetch_and_add_release_int:
+	.long .q_atomic_fetch_and_add_release_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_release_int:
+        eieio
+	lwarx  5,0,3
+	add    6,4,5
+	stwcx. 6,0,3
+	bne-   $-12
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_release_int:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_release_int-.q_atomic_fetch_and_add_release_int
+	.short 34
+	.byte "q_atomic_fetch_and_add_release_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_ptr
+	.globl .q_atomic_fetch_and_add_ptr
+	.csect q_atomic_fetch_and_add_ptr[DS],3
+q_atomic_fetch_and_add_ptr:
+	.long .q_atomic_fetch_and_add_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_ptr:
+	lwarx  5,0,3
+	add    6,4,5
+	stwcx. 6,0,3
+	bne-   $-12
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_ptr-.q_atomic_fetch_and_add_ptr
+	.short 26
+	.byte "q_atomic_fetch_and_add_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_acquire_ptr
+	.globl .q_atomic_fetch_and_add_acquire_ptr
+	.csect q_atomic_fetch_and_add_acquire_ptr[DS],3
+q_atomic_fetch_and_add_acquire_ptr:
+	.long .q_atomic_fetch_and_add_acquire_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_acquire_ptr:
+	lwarx  5,0,3
+	add    6,4,5
+	stwcx. 6,0,3
+	bne-   $-12
+        isync
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_acquire_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_acquire_ptr-.q_atomic_fetch_and_add_acquire_ptr
+	.short 34
+	.byte "q_atomic_fetch_and_add_acquire_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_release_ptr
+	.globl .q_atomic_fetch_and_add_release_ptr
+	.csect q_atomic_fetch_and_add_release_ptr[DS],3
+q_atomic_fetch_and_add_release_ptr:
+	.long .q_atomic_fetch_and_add_release_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_release_ptr:
+        eieio
+	lwarx  5,0,3
+	add    6,4,5
+	stwcx. 6,0,3
+	bne-   $-12
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_release_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_release_ptr-.q_atomic_fetch_and_add_release_ptr
+	.short 34
+	.byte "q_atomic_fetch_and_add_release_ptr"
+	.align 2
+
+_section_.text:
+	.csect .data[RW],3
+	.long _section_.text
diff --git a/src/corelib/arch/powerpc/qatomic64.s b/src/corelib/arch/powerpc/qatomic64.s
new file mode 100644
index 0000000000..88c2bbd6ad
--- /dev/null
+++ b/src/corelib/arch/powerpc/qatomic64.s
@@ -0,0 +1,493 @@
+	.machine	"ppc64"
+	.toc
+	.csect .text[PR]
+
+	.align 2
+	.globl q_atomic_test_and_set_int
+	.globl .q_atomic_test_and_set_int
+	.csect q_atomic_test_and_set_int[DS],3
+q_atomic_test_and_set_int:
+	.llong .q_atomic_test_and_set_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_int:
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+12
+	stwcx. 5,0,3
+	bne-   $-16
+        subfic 3,6,0
+        adde   3,3,6
+        extsw  3,3
+	blr
+LT..q_atomic_test_and_set_int:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_int-.q_atomic_test_and_set_int
+	.short 25
+	.byte "q_atomic_test_and_set_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_acquire_int
+	.globl .q_atomic_test_and_set_acquire_int
+	.csect q_atomic_test_and_set_acquire_int[DS],3
+q_atomic_test_and_set_acquire_int:
+ 	.llong .q_atomic_test_and_set_acquire_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_acquire_int:
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+16
+	stwcx. 5,0,3
+	bne-   $-16
+        isync
+        subfic 3,6,0
+        adde   3,3,6
+        extsw  3,3
+	blr
+LT..q_atomic_test_and_set_acquire_int:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_acquire_int-.q_atomic_test_and_set_acquire_int
+	.short 33
+	.byte "q_atomic_test_and_set_acquire_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_release_int
+	.globl .q_atomic_test_and_set_release_int
+	.csect q_atomic_test_and_set_release_int[DS],3
+q_atomic_test_and_set_release_int:
+	.llong .q_atomic_test_and_set_release_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_release_int:
+	eieio
+	lwarx  6,0,3
+        xor.   6,6,4
+        bne    $+12
+	stwcx. 5,0,3
+	bne-   $-16
+        subfic 3,6,0
+        adde   3,3,6
+        extsw  3,3
+	blr
+LT..q_atomic_test_and_set_release_int:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_release_int-.q_atomic_test_and_set_release_int
+	.short 33
+	.byte "q_atomic_test_and_set_release_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_ptr
+	.globl .q_atomic_test_and_set_ptr
+	.csect q_atomic_test_and_set_ptr[DS],3
+q_atomic_test_and_set_ptr:
+	.llong .q_atomic_test_and_set_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_ptr:
+	ldarx  6,0,3
+        xor.   6,6,4
+        bne    $+12
+	stdcx. 5,0,3
+	bne-   $-16
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_ptr-.q_atomic_test_and_set_ptr
+	.short 25
+	.byte "q_atomic_test_and_set_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_acquire_ptr
+	.globl .q_atomic_test_and_set_acquire_ptr
+	.csect q_atomic_test_and_set_acquire_ptr[DS],3
+q_atomic_test_and_set_acquire_ptr:
+	.llong .q_atomic_test_and_set_acquire_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_acquire_ptr:
+	ldarx  6,0,3
+        xor.   6,6,4
+        bne    $+16
+	stdcx. 5,0,3
+	bne-   $-16
+        isync
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_acquire_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_acquire_ptr-.q_atomic_test_and_set_acquire_ptr
+	.short 33
+	.byte "q_atomic_test_and_set_acquire_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_test_and_set_release_ptr
+	.globl .q_atomic_test_and_set_release_ptr
+	.csect q_atomic_test_and_set_release_ptr[DS],3
+q_atomic_test_and_set_release_ptr:
+	.llong .q_atomic_test_and_set_release_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_test_and_set_release_ptr:
+        eieio
+	ldarx  6,0,3
+        xor.   6,6,4
+        bne    $+12
+	stdcx. 5,0,3
+	bne-   $-16
+        subfic 3,6,0
+        adde   3,3,6
+	blr
+LT..q_atomic_test_and_set_release_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,3,0
+	.long 0
+	.long LT..q_atomic_test_and_set_release_ptr-.q_atomic_test_and_set_release_ptr
+	.short 33
+	.byte "q_atomic_test_and_set_release_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_increment
+	.globl .q_atomic_increment
+	.csect q_atomic_increment[DS],3
+q_atomic_increment:
+	.llong .q_atomic_increment,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_increment:
+	lwarx  4,0,3
+	addi   5,4,1
+	extsw  4,5
+	stwcx. 4,0,3
+	bne-   $-16
+	mr     3,4
+	blr
+LT..q_atomic_increment:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_increment-.q_atomic_increment
+	.short 18
+	.byte "q_atomic_increment"
+	.align 2
+
+	.align 2
+	.globl q_atomic_decrement
+	.globl .q_atomic_decrement
+	.csect q_atomic_decrement[DS],3
+q_atomic_decrement:
+	.llong .q_atomic_decrement,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_decrement:
+	lwarx  4,0,3
+	subi   5,4,1
+	extsw  4,5
+	stwcx. 4,0,3
+	bne-   $-16
+	mr     3,4
+	blr
+LT..q_atomic_decrement:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_decrement-.q_atomic_decrement
+	.short 18
+	.byte "q_atomic_decrement"
+	.align 2
+
+	.align 2
+	.globl q_atomic_set_int
+	.globl .q_atomic_set_int
+	.csect q_atomic_set_int[DS],3
+q_atomic_set_int:
+	.llong .q_atomic_set_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_set_int:
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+	extsw  3,5
+	blr
+LT..q_atomic_set_int:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_set_int-.q_atomic_set_int
+	.short 16
+	.byte "q_atomic_set_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_store_acquire_int
+	.globl .q_atomic_fetch_and_store_acquire_int
+	.csect q_atomic_fetch_and_store_acquire_int[DS],3
+q_atomic_fetch_and_store_acquire_int:
+	.llong .q_atomic_fetch_and_store_acquire_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_store_acquire_int:
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+        isync
+	extsw  3,5
+	blr
+LT..q_atomic_fetch_and_store_acquire_int:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_fetch_and_store_acquire_int-.q_atomic_fetch_and_store_acquire_int
+	.short 36
+	.byte "q_atomic_fetch_and_store_acquire_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_store_release_int
+	.globl .q_atomic_fetch_and_store_release_int
+	.csect q_atomic_fetch_and_store_release_int[DS],3
+q_atomic_fetch_and_store_release_int:
+	.llong .q_atomic_fetch_and_store_release_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_store_release_int:
+        eieio
+	lwarx  5,0,3
+	stwcx. 4,0,3
+	bne-   $-8
+	extsw  3,5
+	blr
+LT..q_atomic_fetch_and_store_release_int:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_fetch_and_store_release_int-.q_atomic_fetch_and_store_release_int
+	.short 36
+	.byte "q_atomic_fetch_and_store_release_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_set_ptr
+	.globl .q_atomic_set_ptr
+	.csect q_atomic_set_ptr[DS],3
+q_atomic_set_ptr:
+	.llong .q_atomic_set_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_set_ptr:
+	ldarx  5,0,3
+	stdcx. 4,0,3
+	bne-   $-8
+	mr     3,5
+	blr
+LT..q_atomic_set_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_set_ptr-.q_atomic_set_ptr
+	.short 16
+	.byte "q_atomic_set_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_store_acquire_ptr
+	.globl .q_atomic_fetch_and_store_acquire_ptr
+	.csect q_atomic_fetch_and_store_acquire_ptr[DS],3
+q_atomic_fetch_and_store_acquire_ptr:
+	.llong .q_atomic_fetch_and_store_acquire_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_store_acquire_ptr:
+	ldarx  5,0,3
+	stdcx. 4,0,3
+	bne-   $-8
+        isync
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_store_acquire_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_fetch_and_store_acquire_ptr-.q_atomic_fetch_and_store_acquire_ptr
+	.short 36
+	.byte "q_atomic_fetch_and_store_acquire_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_store_release_ptr
+	.globl .q_atomic_fetch_and_store_release_ptr
+	.csect q_atomic_fetch_and_store_release_ptr[DS],3
+q_atomic_fetch_and_store_release_ptr:
+	.llong .q_atomic_fetch_and_store_release_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_store_release_ptr:
+        eieio
+	ldarx  5,0,3
+	stdcx. 4,0,3
+	bne-   $-8
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_store_release_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,2,0
+	.long 0
+	.long LT..q_atomic_fetch_and_store_release_ptr-.q_atomic_fetch_and_store_release_ptr
+	.short 36
+	.byte "q_atomic_fetch_and_store_release_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_int
+	.globl .q_atomic_fetch_and_add_int
+	.csect q_atomic_fetch_and_add_int[DS],3
+q_atomic_fetch_and_add_int:
+	.llong .q_atomic_fetch_and_add_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_int:
+	lwarx  5,0,3
+	add    6,4,5
+        extsw  7,6
+	stwcx. 7,0,3
+	bne-   $-16
+        extsw  3,5
+	blr
+LT..q_atomic_fetch_and_add_int:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_int-.q_atomic_fetch_and_add_int
+	.short 26
+	.byte "q_atomic_fetch_and_add_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_acquire_int
+	.globl .q_atomic_fetch_and_add_acquire_int
+	.csect q_atomic_fetch_and_add_acquire_int[DS],3
+q_atomic_fetch_and_add_acquire_int:
+	.llong .q_atomic_fetch_and_add_acquire_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_acquire_int:
+	lwarx  5,0,3
+	add    6,4,5
+        extsw  7,6
+	stwcx. 7,0,3
+	bne-   $-16
+        isync
+        extsw  3,5
+	blr
+LT..q_atomic_fetch_and_add_acquire_int:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_acquire_int-.q_atomic_fetch_and_add_acquire_int
+	.short 34
+	.byte "q_atomic_fetch_and_add_acquire_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_release_int
+	.globl .q_atomic_fetch_and_add_release_int
+	.csect q_atomic_fetch_and_add_release_int[DS],3
+q_atomic_fetch_and_add_release_int:
+	.llong .q_atomic_fetch_and_add_release_int,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_release_int:
+        eieio
+	lwarx  5,0,3
+	add    6,4,5
+        extsw  7,6
+	stwcx. 7,0,3
+	bne-   $-16
+        extsw  3,5
+	blr
+LT..q_atomic_fetch_and_add_release_int:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_release_int-.q_atomic_fetch_and_add_release_int
+	.short 34
+	.byte "q_atomic_fetch_and_add_release_int"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_ptr
+	.globl .q_atomic_fetch_and_add_ptr
+	.csect q_atomic_fetch_and_add_ptr[DS],3
+q_atomic_fetch_and_add_ptr:
+	.llong .q_atomic_fetch_and_add_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_ptr:
+	ldarx  5,0,3
+	add    6,4,5
+	stdcx. 6,0,3
+	bne-   $-12
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_ptr-.q_atomic_fetch_and_add_ptr
+	.short 26
+	.byte "q_atomic_fetch_and_add_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_acquire_ptr
+	.globl .q_atomic_fetch_and_add_acquire_ptr
+	.csect q_atomic_fetch_and_add_acquire_ptr[DS],3
+q_atomic_fetch_and_add_acquire_ptr:
+	.llong .q_atomic_fetch_and_add_acquire_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_acquire_ptr:
+	ldarx  5,0,3
+	add    6,4,5
+	stdcx. 6,0,3
+	bne-   $-12
+        isync
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_acquire_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_acquire_ptr-.q_atomic_fetch_and_add_acquire_ptr
+	.short 34
+	.byte "q_atomic_fetch_and_add_acquire_ptr"
+	.align 2
+
+	.align 2
+	.globl q_atomic_fetch_and_add_release_ptr
+	.globl .q_atomic_fetch_and_add_release_ptr
+	.csect q_atomic_fetch_and_add_release_ptr[DS],3
+q_atomic_fetch_and_add_release_ptr:
+	.llong .q_atomic_fetch_and_add_release_ptr,TOC[tc0],0
+	.csect .text[PR]
+.q_atomic_fetch_and_add_release_ptr:
+        eieio
+	ldarx  5,0,3
+	add    6,4,5
+	stdcx. 6,0,3
+	bne-   $-12
+	mr     3,5
+	blr
+LT..q_atomic_fetch_and_add_release_ptr:
+	.long 0
+	.byte 0,9,32,64,0,0,1,0
+	.long 0
+	.long LT..q_atomic_fetch_and_add_release_ptr-.q_atomic_fetch_and_add_release_ptr
+	.short 34
+	.byte "q_atomic_fetch_and_add_release_ptr"
+	.align 2
+
+_section_.text:
+	.csect .data[RW],3
+	.llong _section_.text
diff --git a/src/corelib/arch/qatomic_alpha.h b/src/corelib/arch/qatomic_alpha.h
new file mode 100644
index 0000000000..0387baf3bc
--- /dev/null
+++ b/src/corelib/arch/qatomic_alpha.h
@@ -0,0 +1,642 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_ALPHA_H
+#define QATOMIC_ALPHA_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+#if defined(Q_CC_GNU)
+
+inline bool QBasicAtomicInt::ref()
+{
+    register int old, tmp;
+    asm volatile("1:\n"
+                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
+                 "addl  %0,1,%1\n" /* tmp=old+1;                              */
+                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
+                 :
+                 : "memory");
+    return old != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    register int old, tmp;
+    asm volatile("1:\n"
+                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
+                 "subl  %0,1,%1\n" /* tmp=old-1;                              */
+                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
+                 :
+                 : "memory");
+    return old != 1;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    register int ret;
+    asm volatile("1:\n"
+                 "ldl_l %0,%1\n"   /* ret=*ptr;                               */
+                 "cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1;   */
+                 "beq   %0,3f\n"   /* if (ret==0) goto 3;                     */
+                 "mov   %3,%0\n"   /* ret=newval;                             */
+                 "stl_c %0,%1\n"   /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
+                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    register int ret;
+    asm volatile("1:\n"
+                 "ldl_l %0,%1\n"   /* ret=*ptr;                               */
+                 "cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1;   */
+                 "beq   %0,3f\n"   /* if (ret==0) goto 3;                     */
+                 "mov   %3,%0\n"   /* ret=newval;                             */
+                 "stl_c %0,%1\n"   /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
+                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 "mb\n"
+                 : "=&r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    register int ret;
+    asm volatile("mb\n"
+                 "1:\n"
+                 "ldl_l %0,%1\n"   /* ret=*ptr;                               */
+                 "cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1;   */
+                 "beq   %0,3f\n"   /* if (ret==0) goto 3;                     */
+                 "mov   %3,%0\n"   /* ret=newval;                             */
+                 "stl_c %0,%1\n"   /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
+                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    register int old, tmp;
+    asm volatile("1:\n"
+                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
+                 "mov   %3,%1\n"   /* tmp=newval;                             */
+                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return old;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    register int old, tmp;
+    asm volatile("1:\n"
+                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
+                 "mov   %3,%1\n"   /* tmp=newval;                             */
+                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 "mb\n"
+                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return old;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    register int old, tmp;
+    asm volatile("mb\n"
+                 "1:\n"
+                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
+                 "mov   %3,%1\n"   /* tmp=newval;                             */
+                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return old;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    register int old, tmp;
+    asm volatile("1:\n"
+                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
+                 "addl  %0,%3,%1\n"/* tmp=old+value;                          */
+                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
+                 : "r" (valueToAdd)
+                 : "memory");
+    return old;
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    register int old, tmp;
+    asm volatile("1:\n"
+                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
+                 "addl  %0,%3,%1\n"/* tmp=old+value;                          */
+                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 "mb\n"
+                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
+                 : "r" (valueToAdd)
+                 : "memory");
+    return old;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    register int old, tmp;
+    asm volatile("mb\n"
+                 "1:\n"
+                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
+                 "addl  %0,%3,%1\n"/* tmp=old+value;                          */
+                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
+                 : "r" (valueToAdd)
+                 : "memory");
+    return old;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    register void *ret;
+    asm volatile("1:\n"
+                 "ldq_l %0,%1\n"   /* ret=*ptr;                               */
+                 "cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1;   */
+                 "beq   %0,3f\n"   /* if (tmp==0) goto 3;                     */
+                 "mov   %3,%0\n"   /* tmp=newval;                             */
+                 "stq_c %0,%1\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    register void *ret;
+    asm volatile("1:\n"
+                 "ldq_l %0,%1\n"   /* ret=*ptr;                               */
+                 "cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1;   */
+                 "beq   %0,3f\n"   /* if (tmp==0) goto 3;                     */
+                 "mov   %3,%0\n"   /* tmp=newval;                             */
+                 "stq_c %0,%1\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 "mb\n"
+                 : "=&r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    register void *ret;
+    asm volatile("mb\n"
+                 "1:\n"
+                 "ldq_l %0,%1\n"   /* ret=*ptr;                               */
+                 "cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1;   */
+                 "beq   %0,3f\n"   /* if (tmp==0) goto 3;                     */
+                 "mov   %3,%0\n"   /* tmp=newval;                             */
+                 "stq_c %0,%1\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    register void *old, *tmp;
+    asm volatile("1:\n"
+                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
+                 "mov   %3,%1\n"   /* tmp=newval;                             */
+                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return old;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    register void *old, *tmp;
+    asm volatile("1:\n"
+                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
+                 "mov   %3,%1\n"   /* tmp=newval;                             */
+                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 "mb\n"
+                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return old;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    register void *old, *tmp;
+    asm volatile("mb\n"
+                 "1:\n"
+                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
+                 "mov   %3,%1\n"   /* tmp=newval;                             */
+                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return old;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    register void *old, *tmp;
+    asm volatile("1:\n"
+                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
+                 "addq  %0,%3,%1\n"/* tmp=old+value;                          */
+                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
+                 : "r" (valueToAdd)
+                 : "memory");
+    return reinterpret_cast<T *>(old);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    register void *old, *tmp;
+    asm volatile("1:\n"
+                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
+                 "addq  %0,%3,%1\n"/* tmp=old+value;                          */
+                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 "mb\n"
+                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
+                 : "r" (valueToAdd)
+                 : "memory");
+    return reinterpret_cast<T *>(old);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    register void *old, *tmp;
+    asm volatile("mb\n"
+                 "1:\n"
+                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
+                 "addq  %0,%3,%1\n"/* tmp=old+value;                          */
+                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
+                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
+                 "br    3f\n"      /* goto 3;                                 */
+                 "2: br 1b\n"      /* goto 1;                                 */
+                 "3:\n"
+                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
+                 : "r" (valueToAdd)
+                 : "memory");
+    return reinterpret_cast<T *>(old);
+}
+
+#else // !Q_CC_GNU
+
+extern "C" {
+    Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_acquire_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_release_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
+    Q_CORE_EXPORT int q_atomic_increment(volatile int *ptr);
+    Q_CORE_EXPORT int q_atomic_decrement(volatile int *ptr);
+    Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval);
+    Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);
+    Q_CORE_EXPORT int q_atomic_fetch_and_add_int(volatile int *ptr, int value);
+    Q_CORE_EXPORT int q_atomic_fetch_and_add_acquire_int(volatile int *ptr, int value);
+    Q_CORE_EXPORT int q_atomic_fetch_and_add_release_int(volatile int *ptr, int value);
+} // extern "C"
+
+inline bool QBasicAtomicInt::ref()
+{
+    return q_atomic_increment(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return q_atomic_decrement(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_release_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return q_atomic_set_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return q_atomic_fetch_and_store_acquire_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return q_atomic_fetch_and_store_release_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return q_atomic_fetch_and_add_int(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return q_atomic_fetch_and_add_acquire_int(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return q_atomic_fetch_and_add_release_int(&_q_value, valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_release_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_set_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_store_acquire_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_store_release_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_ptr(&_q_value, newValue));
+}
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_acquire_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_release_ptr(&_q_value, newValue));
+}
+
+#endif // Q_CC_GNU
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_ALPHA_H
diff --git a/src/corelib/arch/qatomic_arch.h b/src/corelib/arch/qatomic_arch.h
new file mode 100644
index 0000000000..33641fc3d3
--- /dev/null
+++ b/src/corelib/arch/qatomic_arch.h
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_ARCH_H
+#define QATOMIC_ARCH_H
+
+QT_BEGIN_HEADER
+
+#include "QtCore/qglobal.h"
+
+#if defined(QT_ARCH_ALPHA)
+#  include "QtCore/qatomic_alpha.h"
+#elif defined(QT_ARCH_ARM)
+#  include "QtCore/qatomic_arm.h"
+#elif defined(QT_ARCH_ARMV6)
+#  include "QtCore/qatomic_armv6.h"
+#elif defined(QT_ARCH_AVR32)
+#  include "QtCore/qatomic_avr32.h"
+#elif defined(QT_ARCH_BFIN)
+#  include "QtCore/qatomic_bfin.h"
+#elif defined(QT_ARCH_GENERIC)
+#  include "QtCore/qatomic_generic.h"
+#elif defined(QT_ARCH_I386)
+#  include "QtCore/qatomic_i386.h"
+#elif defined(QT_ARCH_IA64)
+#  include "QtCore/qatomic_ia64.h"
+#elif defined(QT_ARCH_MACOSX)
+#  include "QtCore/qatomic_macosx.h"
+#elif defined(QT_ARCH_MIPS)
+#  include "QtCore/qatomic_mips.h"
+#elif defined(QT_ARCH_PARISC)
+#  include "QtCore/qatomic_parisc.h"
+#elif defined(QT_ARCH_POWERPC)
+#  include "QtCore/qatomic_powerpc.h"
+#elif defined(QT_ARCH_S390)
+#  include "QtCore/qatomic_s390.h"
+#elif defined(QT_ARCH_SPARC)
+#  include "QtCore/qatomic_sparc.h"
+#elif defined(QT_ARCH_WINDOWS)
+#  include "QtCore/qatomic_windows.h"
+#elif defined(QT_ARCH_WINDOWSCE)
+#  include "QtCore/qatomic_windowsce.h"
+#elif defined(QT_ARCH_X86_64)
+#  include "QtCore/qatomic_x86_64.h"
+#elif defined(QT_ARCH_SH)
+#  include "QtCore/qatomic_sh.h"
+#elif defined(QT_ARCH_SH4A)
+#  include "QtCore/qatomic_sh4a.h"
+#else
+#  error "Qt has not been ported to this architecture"
+#endif
+
+QT_END_HEADER
+
+#endif // QATOMIC_ARCH_H
diff --git a/src/corelib/arch/qatomic_arm.h b/src/corelib/arch/qatomic_arm.h
new file mode 100644
index 0000000000..07ad70ca50
--- /dev/null
+++ b/src/corelib/arch/qatomic_arm.h
@@ -0,0 +1,401 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_ARM_H
+#define QATOMIC_ARM_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return false; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return false; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+#ifndef QT_NO_ARM_EABI
+
+// kernel places a restartable cmpxchg implementation at a fixed address
+extern "C" typedef int (qt_atomic_eabi_cmpxchg_int_t)(int oldval, int newval, volatile int *ptr);
+extern "C" typedef int (qt_atomic_eabi_cmpxchg_ptr_t)(void *oldval, void *newval, volatile void *ptr);
+#define qt_atomic_eabi_cmpxchg_int (*(qt_atomic_eabi_cmpxchg_int_t *)0xffff0fc0)
+#define qt_atomic_eabi_cmpxchg_ptr (*(qt_atomic_eabi_cmpxchg_ptr_t *)0xffff0fc0)
+
+#else
+
+extern Q_CORE_EXPORT char q_atomic_lock;
+Q_CORE_EXPORT void qt_atomic_yield(int *);
+
+inline char q_atomic_swp(volatile char *ptr, char newval)
+{
+    register char ret;
+    asm volatile("swpb %0,%2,[%3]"
+                 : "=&r"(ret), "=m" (*ptr)
+                 : "r"(newval), "r"(ptr)
+                 : "cc", "memory");
+    return ret;
+}
+
+#endif
+
+// Reference counting
+
+inline bool QBasicAtomicInt::ref()
+{
+#ifndef QT_NO_ARM_EABI
+    register int originalValue;
+    register int newValue;
+    do {
+        originalValue = _q_value;
+        newValue = originalValue + 1;
+    } while (qt_atomic_eabi_cmpxchg_int(originalValue, newValue, &_q_value) != 0);
+    return newValue != 0;
+#else
+    int count = 0;
+    while (q_atomic_swp(&q_atomic_lock, ~0) != 0)
+        qt_atomic_yield(&count);
+    int originalValue = _q_value++;
+    q_atomic_swp(&q_atomic_lock, 0);
+    return originalValue != -1;
+#endif
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+#ifndef QT_NO_ARM_EABI
+    register int originalValue;
+    register int newValue;
+    do {
+        originalValue = _q_value;
+        newValue = originalValue - 1;
+    } while (qt_atomic_eabi_cmpxchg_int(originalValue, newValue, &_q_value) != 0);
+    return newValue != 0;
+#else
+    int count = 0;
+    while (q_atomic_swp(&q_atomic_lock, ~0) != 0)
+        qt_atomic_yield(&count);
+    int originalValue = _q_value--;
+    q_atomic_swp(&q_atomic_lock, 0);
+    return originalValue != 1;
+#endif
+}
+
+// Test and set for integers
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+#ifndef QT_NO_ARM_EABI
+    register int originalValue;
+    do {
+        originalValue = _q_value;
+        if (originalValue != expectedValue)
+            return false;
+    } while (qt_atomic_eabi_cmpxchg_int(expectedValue, newValue, &_q_value) != 0);
+    return true;
+#else
+    bool returnValue = false;
+    int count = 0;
+    while (q_atomic_swp(&q_atomic_lock, ~0) != 0)
+        qt_atomic_yield(&count);
+    if (_q_value == expectedValue) {
+	_q_value = newValue;
+	returnValue = true;
+    }
+    q_atomic_swp(&q_atomic_lock, 0);
+    return returnValue;
+#endif
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for integers
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    int originalValue;
+    asm volatile("swp %0,%2,[%3]"
+                 : "=&r"(originalValue), "=m" (_q_value)
+                 : "r"(newValue), "r"(&_q_value)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for integers
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+#ifndef QT_NO_ARM_EABI
+    register int originalValue;
+    register int newValue;
+    do {
+        originalValue = _q_value;
+        newValue = originalValue + valueToAdd;
+    } while (qt_atomic_eabi_cmpxchg_int(originalValue, newValue, &_q_value) != 0);
+    return originalValue;
+#else
+    int count = 0;
+    while (q_atomic_swp(&q_atomic_lock, ~0) != 0)
+        qt_atomic_yield(&count);
+    int originalValue = _q_value;
+    _q_value += valueToAdd;
+    q_atomic_swp(&q_atomic_lock, 0);
+    return originalValue;
+#endif
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+// Test and set for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+#ifndef QT_NO_ARM_EABI
+    register T *originalValue;
+    do {
+        originalValue = _q_value;
+        if (originalValue != expectedValue)
+            return false;
+    } while (qt_atomic_eabi_cmpxchg_ptr(expectedValue, newValue, &_q_value) != 0);
+    return true;
+#else
+    bool returnValue = false;
+    int count = 0;
+    while (q_atomic_swp(&q_atomic_lock, ~0) != 0)
+        qt_atomic_yield(&count);
+    if (_q_value == expectedValue) {
+	_q_value = newValue;
+	returnValue = true;
+    }
+    q_atomic_swp(&q_atomic_lock, 0);
+    return returnValue;
+#endif
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    T *originalValue;
+    asm volatile("swp %0,%2,[%3]"
+                 : "=&r"(originalValue), "=m" (_q_value)
+                 : "r"(newValue), "r"(&_q_value)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+#ifndef QT_NO_ARM_EABI
+    register T *originalValue;
+    register T *newValue;
+    do {
+        originalValue = _q_value;
+        newValue = originalValue + valueToAdd;
+    } while (qt_atomic_eabi_cmpxchg_ptr(originalValue, newValue, &_q_value) != 0);
+    return originalValue;
+#else
+    int count = 0;
+    while (q_atomic_swp(&q_atomic_lock, ~0) != 0)
+        qt_atomic_yield(&count);
+    T *originalValue = (_q_value);
+    _q_value += valueToAdd;
+    q_atomic_swp(&q_atomic_lock, 0);
+    return originalValue;
+#endif
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_ARM_H
diff --git a/src/corelib/arch/qatomic_armv6.h b/src/corelib/arch/qatomic_armv6.h
new file mode 100644
index 0000000000..2dd38fdd82
--- /dev/null
+++ b/src/corelib/arch/qatomic_armv6.h
@@ -0,0 +1,360 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_ARMV6_H
+#define QATOMIC_ARMV6_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+inline bool QBasicAtomicInt::ref()
+{
+    register int newValue;
+    register int result;
+    asm volatile("0:\n"
+                 "ldrex %[newValue], [%[_q_value]]\n"
+                 "add %[newValue], %[newValue], #1\n"
+                 "strex %[result], %[newValue], [%[_q_value]]\n"
+                 "teq %[result], #0\n"
+                 "bne 0b\n"
+                 : [newValue] "=&r" (newValue),
+                   [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return newValue != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    register int newValue;
+    register int result;
+    asm volatile("0:\n"
+                 "ldrex %[newValue], [%[_q_value]]\n"
+                 "sub %[newValue], %[newValue], #1\n"
+                 "strex %[result], %[newValue], [%[_q_value]]\n"
+                 "teq %[result], #0\n"
+                 "bne 0b\n"
+                 : [newValue] "=&r" (newValue),
+                   [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return newValue != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    register int result;
+    asm volatile("0:\n"
+                 "ldrex %[result], [%[_q_value]]\n"
+                 "eors %[result], %[result], %[expectedValue]\n"
+                 "strexeq %[result], %[newValue], [%[_q_value]]\n"
+                 "teqeq %[result], #1\n"
+                 "beq 0b\n"
+                 : [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue),
+                   [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    register int originalValue;
+    register int result;
+    asm volatile("0:\n"
+                 "ldrex %[originalValue], [%[_q_value]]\n"
+                 "strex %[result], %[newValue], [%[_q_value]]\n"
+                 "teq %[result], #0\n"
+                 "bne 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [newValue] "r" (newValue),
+                   [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    register int originalValue;
+    register int newValue;
+    register int result;
+    asm volatile("0:\n"
+                 "ldrex %[originalValue], [%[_q_value]]\n"
+                 "add %[newValue], %[originalValue], %[valueToAdd]\n"
+                 "strex %[result], %[newValue], [%[_q_value]]\n"
+                 "teq %[result], #0\n"
+                 "bne 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [valueToAdd] "r" (valueToAdd),
+                   [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    register T *result;
+    asm volatile("0:\n"
+                 "ldrex %[result], [%[_q_value]]\n"
+                 "eors %[result], %[result], %[expectedValue]\n"
+                 "strexeq %[result], %[newValue], [%[_q_value]]\n"
+                 "teqeq %[result], #1\n"
+                 "beq 0b\n"
+                 : [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue),
+                   [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    register T *originalValue;
+    register int result;
+    asm volatile("0:\n"
+                 "ldrex %[originalValue], [%[_q_value]]\n"
+                 "strex %[result], %[newValue], [%[_q_value]]\n"
+                 "teq %[result], #0\n"
+                 "bne 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [newValue] "r" (newValue),
+                   [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    register T *newValue;
+    register int result;
+    asm volatile("0:\n"
+                 "ldrex %[originalValue], [%[_q_value]]\n"
+                 "add %[newValue], %[originalValue], %[valueToAdd]\n"
+                 "strex %[result], %[newValue], [%[_q_value]]\n"
+                 "teq %[result], #0\n"
+                 "bne 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [valueToAdd] "r" (valueToAdd * sizeof(T)),
+                   [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_ARMV6_H
diff --git a/src/corelib/arch/qatomic_avr32.h b/src/corelib/arch/qatomic_avr32.h
new file mode 100644
index 0000000000..7efbb39272
--- /dev/null
+++ b/src/corelib/arch/qatomic_avr32.h
@@ -0,0 +1,252 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_AVR32_H
+#define QATOMIC_AVR32_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+inline bool QBasicAtomicInt::ref()
+{
+    return __sync_add_and_fetch(&_q_value, 1);
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return __sync_sub_and_fetch(&_q_value, 1);
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return __sync_bool_compare_and_swap(&_q_value, expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return __sync_lock_test_and_set(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return __sync_fetch_and_add(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return __sync_bool_compare_and_swap(&_q_value, expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return __sync_lock_test_and_set(&_q_value, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return __sync_fetch_and_add(&_q_value, valueToAdd * sizeof(T));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_AVR32_H
diff --git a/src/corelib/arch/qatomic_bfin.h b/src/corelib/arch/qatomic_bfin.h
new file mode 100644
index 0000000000..d1d4c91559
--- /dev/null
+++ b/src/corelib/arch/qatomic_bfin.h
@@ -0,0 +1,343 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_BFIN_H
+#define QATOMIC_BFIN_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return false; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return false; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+#if defined(Q_OS_LINUX) && defined(Q_CC_GNU)
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <asm/fixed_code.h>
+QT_END_INCLUDE_NAMESPACE
+
+inline bool QBasicAtomicInt::ref()
+{
+    int ret;
+    asm volatile("R0 = 1;\n\t"
+		 "P0 = %3;\n\t"
+                 "CALL (%2);\n\t"
+                 "%0 = R0;"
+                 : "=da" (ret), "=m" (_q_value)
+                 : "a" (ATOMIC_ADD32), "da" (&_q_value), "m" (_q_value)
+                 : "R0", "R1", "P0", "RETS", "memory");
+    return ret != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    int ret;
+    asm volatile("R0 = 1;\n\t"
+		 "P0 = %3;\n\t"
+                 "CALL (%2);\n\t"
+                 "%0 = R0;"
+                 : "=da" (ret), "=m" (_q_value)
+                 : "a" (ATOMIC_SUB32), "da" (&_q_value), "m" (_q_value)
+                 : "R0", "R1", "P0", "RETS", "memory");
+    return ret != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    long int readval;
+    asm volatile ("P0 = %2;\n\t"
+		  "R1 = %3;\n\t"
+		  "R2 = %4;\n\t"
+		  "CALL (%5);\n\t"
+		  "%0 = R0;\n\t"
+		  : "=da" (readval), "=m" (_q_value)
+		  : "da" (&_q_value),
+		  "da" (expectedValue),
+		  "da" (newValue),
+		  "a" (ATOMIC_CAS32),
+		  "m" (_q_value)
+		  : "P0", "R0", "R1", "R2", "RETS", "memory", "cc");
+    return readval == expectedValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    asm volatile("R1 = %2;\n\t"
+		 "P0 = %4;\n\t"
+                 "CALL (%3);\n\t"
+                 "%0 = R0;"
+                 : "=da" (newValue), "=m" (_q_value)
+                 : "da" (newValue), "a" (ATOMIC_XCHG32), "da" (&_q_value), "m" (_q_value)
+                 : "R0", "R1", "P0", "RETS", "memory");
+    return newValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    int ret;
+    asm volatile("R0 = %[val];\n\t"
+		 "P0 = %[qvalp];\n\t"
+                 "CALL (%[addr]);\n\t"
+                 "%[ret] = R1;"
+                 : [ret] "=da" (ret), "=m" (_q_value)
+                 : [addr] "a" (ATOMIC_ADD32), [qvalp] "da" (&_q_value), "m" (_q_value), [val] "da" (valueToAdd)
+                 : "R0", "R1", "P0", "RETS", "memory");
+    return ret;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    T *readval;
+    asm volatile ("P0 = %2;\n\t"
+		  "R1 = %3;\n\t"
+		  "R2 = %4;\n\t"
+		  "CALL (%5);\n\t"
+		  "%0 = R0;\n\t"
+		  : "=da" (readval), "=m" (_q_value)
+		  : "da" (&_q_value),
+		  "da" (expectedValue),
+		  "da" (newValue),
+		  "a" (ATOMIC_CAS32),
+		  "m" (_q_value)
+		  : "P0", "R0", "R1", "R2", "RETS", "memory", "cc");
+    return readval == expectedValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    asm volatile("R1 = %2;\n\t"
+		 "P0 = %4;\n\t"
+                 "CALL (%3);\n\t"
+                 "%0 = R0;"
+                 : "=da" (newValue), "=m" (_q_value)
+                 : "da" (newValue), "a" (ATOMIC_XCHG32), "da" (&_q_value), "m" (_q_value)
+                 : "R0", "R1", "P0", "RETS", "memory");
+    return newValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    T* ret;
+    asm volatile("R0 = %[val];\n\t"
+		 "P0 = %[qvalp];\n\t"
+                 "CALL (%[addr]);\n\t"
+                 "%[ret] = R1;"
+                 : [ret] "=da" (ret), "=m" (_q_value)
+                 : [addr] "a" (ATOMIC_ADD32), [qvalp] "da" (&_q_value), "m" (_q_value), [val] "da" (valueToAdd * sizeof(T))
+                 : "R0", "R1", "P0", "RETS", "memory");
+    return ret;
+}
+
+
+#endif // Q_OS_LINUX && Q_CC_GNU
+
+// Test and set for integers
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for integers
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for integers
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+// Test and set for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_BFIN_H
diff --git a/src/corelib/arch/qatomic_bootstrap.h b/src/corelib/arch/qatomic_bootstrap.h
new file mode 100644
index 0000000000..7584b84db1
--- /dev/null
+++ b/src/corelib/arch/qatomic_bootstrap.h
@@ -0,0 +1,99 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_BOOTSTRAP_H
+#define QATOMIC_BOOTSTRAP_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+inline bool QBasicAtomicInt::ref()
+{
+    return ++_q_value != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return --_q_value != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    if (_q_value == expectedValue) {
+        _q_value = newValue;
+        return true;
+    }
+    return false;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    int returnValue = _q_value;
+    _q_value += valueToAdd;
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    if (_q_value == expectedValue) {
+        _q_value = newValue;
+        return true;
+    }
+    return false;
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_BOOTSTRAP_H
diff --git a/src/corelib/arch/qatomic_generic.h b/src/corelib/arch/qatomic_generic.h
new file mode 100644
index 0000000000..f6e6a28085
--- /dev/null
+++ b/src/corelib/arch/qatomic_generic.h
@@ -0,0 +1,282 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_GENERIC_H
+#define QATOMIC_GENERIC_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return false; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return false; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetOrdered(volatile int *, int, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddOrdered(volatile int *, int);
+
+Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *, void *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *, qptrdiff);
+
+// Reference counting
+
+inline bool QBasicAtomicInt::ref()
+{
+    return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, 1) != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, -1) != 1;
+}
+
+// Test and set for integers
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return QBasicAtomicInt_testAndSetOrdered(&_q_value, expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for integers
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return QBasicAtomicInt_fetchAndStoreOrdered(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for integers
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+// Test and set for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    union { T * volatile * typed; void * volatile * voidp; } pointer;
+    pointer.typed = &_q_value;
+    return QBasicAtomicPointer_testAndSetOrdered(pointer.voidp, expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    union { T * volatile * typed; void * volatile * voidp; } pointer;
+    union { T *typed; void *voidp; } returnValue;
+    pointer.typed = &_q_value;
+    returnValue.voidp = QBasicAtomicPointer_fetchAndStoreOrdered(pointer.voidp, newValue);
+    return returnValue.typed;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    union { T * volatile *typed; void * volatile *voidp; } pointer;
+    union { T *typed; void *voidp; } returnValue;
+    pointer.typed = &_q_value;
+    returnValue.voidp = QBasicAtomicPointer_fetchAndAddOrdered(pointer.voidp, valueToAdd * sizeof(T));
+    return returnValue.typed;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_GENERIC_H
diff --git a/src/corelib/arch/qatomic_i386.h b/src/corelib/arch/qatomic_i386.h
new file mode 100644
index 0000000000..f8d3708092
--- /dev/null
+++ b/src/corelib/arch/qatomic_i386.h
@@ -0,0 +1,361 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_I386_H
+#define QATOMIC_I386_H
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return true; }
+
+#if defined(Q_CC_GNU) || defined(Q_CC_INTEL)
+
+inline bool QBasicAtomicInt::ref()
+{
+    unsigned char ret;
+    asm volatile("lock\n"
+                 "incl %0\n"
+                 "setne %1"
+                 : "=m" (_q_value), "=qm" (ret)
+                 : "m" (_q_value)
+                 : "memory");
+    return ret != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+        unsigned char ret;
+    asm volatile("lock\n"
+                 "decl %0\n"
+                 "setne %1"
+                 : "=m" (_q_value), "=qm" (ret)
+                 : "m" (_q_value)
+                 : "memory");
+    return ret != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    unsigned char ret;
+    asm volatile("lock\n"
+                 "cmpxchgl %3,%2\n"
+                 "sete %1\n"
+                 : "=a" (newValue), "=qm" (ret), "+m" (_q_value)
+                 : "r" (newValue), "0" (expectedValue)
+                 : "memory");
+    return ret != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    asm volatile("xchgl %0,%1"
+                 : "=r" (newValue), "+m" (_q_value)
+                 : "0" (newValue)
+                 : "memory");
+    return newValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    asm volatile("lock\n"
+                 "xaddl %0,%1"
+                 : "=r" (valueToAdd), "+m" (_q_value)
+                 : "0" (valueToAdd)
+                 : "memory");
+    return valueToAdd;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    unsigned char ret;
+    asm volatile("lock\n"
+                 "cmpxchgl %3,%2\n"
+                 "sete %1\n"
+                 : "=a" (newValue), "=qm" (ret), "+m" (_q_value)
+                 : "r" (newValue), "0" (expectedValue)
+                 : "memory");
+    return ret != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    asm volatile("xchgl %0,%1"
+                 : "=r" (newValue), "+m" (_q_value)
+                 : "0" (newValue)
+                 : "memory");
+    return newValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    asm volatile("lock\n"
+                 "xaddl %0,%1"
+                 : "=r" (valueToAdd), "+m" (_q_value)
+                 : "0" (valueToAdd * sizeof(T))
+                 : "memory");
+    return reinterpret_cast<T *>(valueToAdd);
+}
+
+#else
+
+extern "C" {
+    Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
+    Q_CORE_EXPORT int q_atomic_increment(volatile int *ptr);
+    Q_CORE_EXPORT int q_atomic_decrement(volatile int *ptr);
+    Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval);
+    Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);
+    Q_CORE_EXPORT int q_atomic_fetch_and_add_int(volatile int *ptr, int value);
+    Q_CORE_EXPORT void *q_atomic_fetch_and_add_ptr(volatile void *ptr, int value);
+} // extern "C"
+
+inline bool QBasicAtomicInt::ref()
+{
+    return q_atomic_increment(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return q_atomic_decrement(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return q_atomic_set_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return q_atomic_fetch_and_add_int(&_q_value, valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_set_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+
+#endif
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QATOMIC_I386_H
diff --git a/src/corelib/arch/qatomic_ia64.h b/src/corelib/arch/qatomic_ia64.h
new file mode 100644
index 0000000000..1803c854af
--- /dev/null
+++ b/src/corelib/arch/qatomic_ia64.h
@@ -0,0 +1,813 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_IA64_H
+#define QATOMIC_IA64_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+inline bool _q_ia64_fetchadd_immediate(register int value)
+{
+    return value == 1 || value == -1
+        || value == 4 || value == -4
+        || value == 8 || value == -8
+        || value == 16 || value == -16;
+}
+
+#if defined(Q_CC_INTEL)
+
+// intrinsics provided by the Intel C++ Compiler
+#include <ia64intrin.h>
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return static_cast<int>(_InterlockedExchange(&_q_value, newValue));
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    __memory_barrier();
+    return static_cast<int>(_InterlockedExchange(&_q_value, newValue));
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    register int expectedValueCopy = expectedValue;
+    return (static_cast<int>(_InterlockedCompareExchange(&_q_value, 
+							 newValue, 
+							 expectedValueCopy))
+	    == expectedValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    register int expectedValueCopy = expectedValue;
+    return (static_cast<int>(_InterlockedCompareExchange_acq(reinterpret_cast<volatile uint *>(&_q_value), 
+							     newValue, 
+							     expectedValueCopy)) 
+	    == expectedValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    register int expectedValueCopy = expectedValue;
+    return (static_cast<int>(_InterlockedCompareExchange_rel(reinterpret_cast<volatile uint *>(&_q_value), 
+							     newValue, 
+							     expectedValueCopy)) 
+	    == expectedValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    __memory_barrier();
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    if (__builtin_constant_p(valueToAdd)) {
+        if (valueToAdd == 1)
+            return __fetchadd4_acq((unsigned int *)&_q_value, 1);
+        if (valueToAdd == -1)
+            return __fetchadd4_acq((unsigned int *)&_q_value, -1);
+    }
+    return _InterlockedExchangeAdd(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    if (__builtin_constant_p(valueToAdd)) {
+        if (valueToAdd == 1)
+            return __fetchadd4_rel((unsigned int *)&_q_value, 1);
+        if (valueToAdd == -1)
+            return __fetchadd4_rel((unsigned int *)&_q_value, -1);
+    }
+    __memory_barrier();
+    return _InterlockedExchangeAdd(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    __memory_barrier();
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+inline bool QBasicAtomicInt::ref()
+{
+    return _InterlockedIncrement(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return _InterlockedDecrement(&_q_value) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return (T *)_InterlockedExchangePointer(&_q_value, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    __memory_barrier();
+    return fetchAndStoreAcquire(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    register T *expectedValueCopy = expectedValue;
+    return (_InterlockedCompareExchangePointer(reinterpret_cast<void * volatile*>(&_q_value), 
+					       newValue, 
+					       expectedValueCopy)
+	    == expectedValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    union {
+        volatile void *x;
+        volatile unsigned long *p;
+    };
+    x = &_q_value;
+    register T *expectedValueCopy = expectedValue;
+    return (_InterlockedCompareExchange64_acq(p, quintptr(newValue), quintptr(expectedValueCopy)) 
+	    == quintptr(expectedValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    union {
+        volatile void *x;
+        volatile unsigned long *p;
+    };
+    x = &_q_value;
+    register T *expectedValueCopy = expectedValue;
+    return (_InterlockedCompareExchange64_rel(p, quintptr(newValue), quintptr(expectedValueCopy))
+	    == quintptr(expectedValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    __memory_barrier();
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return (T *)_InterlockedExchangeAdd64((volatile long *)&_q_value,
+                                          valueToAdd * sizeof(T));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    __memory_barrier();
+    return (T *)_InterlockedExchangeAdd64((volatile long *)&_q_value,
+                                          valueToAdd * sizeof(T));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    __memory_barrier();
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+#else // !Q_CC_INTEL
+
+#  if defined(Q_CC_GNU)
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    int ret;
+    asm volatile("xchg4 %0=%1,%2\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return ret;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    int ret;
+    asm volatile("mf\n"
+                 "xchg4 %0=%1,%2\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return ret;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    int ret;
+    asm volatile("mov ar.ccv=%2\n"
+                 ";;\n"
+                 "cmpxchg4.acq %0=%1,%3,ar.ccv\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret == expectedValue;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    int ret;
+    asm volatile("mov ar.ccv=%2\n"
+                 ";;\n"
+                 "cmpxchg4.rel %0=%1,%3,ar.ccv\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret == expectedValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    int ret;
+
+#if (__GNUC__ >= 4)
+    // We implement a fast fetch-and-add when we can
+    if (__builtin_constant_p(valueToAdd) && _q_ia64_fetchadd_immediate(valueToAdd)) {
+        asm volatile("fetchadd4.acq  %0=%1,%2\n"
+                     : "=r" (ret), "+m" (_q_value)
+                     : "i" (valueToAdd)
+                     : "memory");
+        return ret;
+    }
+#endif
+
+    // otherwise, use a loop around test-and-set
+    ret = _q_value;
+    asm volatile("0:\n"
+                 "      mov           r9=%0\n"
+                 "      mov           ar.ccv=%0\n"
+                 "      add           %0=%0, %2\n"
+                 "      ;;\n"
+                 "      cmpxchg4.acq %0=%1,%0,ar.ccv\n"
+                 "      ;;\n"
+                 "      cmp.ne       p6,p0 = %0, r9\n"
+                 "(p6)  br.dptk      0b\n"
+                 "1:\n"
+                 : "+r" (ret), "+m" (_q_value)
+                 : "r" (valueToAdd)
+                 : "r9", "p6", "memory");
+    return ret;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    int ret;
+
+#if (__GNUC__ >= 4)
+    // We implement a fast fetch-and-add when we can
+    if (__builtin_constant_p(valueToAdd) && _q_ia64_fetchadd_immediate(valueToAdd)) {
+        asm volatile("fetchadd4.rel  %0=%1,%2\n"
+                     : "=r" (ret), "+m" (_q_value)
+                     : "i" (valueToAdd)
+                     : "memory");
+        return ret;
+    }
+#endif
+
+    // otherwise, use a loop around test-and-set
+    ret = _q_value;
+    asm volatile("0:\n"
+                 "      mov           r9=%0\n"
+                 "      mov           ar.ccv=%0\n"
+                 "      add           %0=%0, %2\n"
+                 "      ;;\n"
+                 "      cmpxchg4.rel %0=%1,%0,ar.ccv\n"
+                 "      ;;\n"
+                 "      cmp.ne       p6,p0 = %0, r9\n"
+                 "(p6)  br.dptk      0b\n"
+                 "1:\n"
+                 : "+r" (ret), "+m" (_q_value)
+                 : "r" (valueToAdd)
+                 : "r9", "p6", "memory");
+    return ret;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    asm volatile("mf" ::: "memory");
+    return fetchAndAddRelease(valueToAdd);
+}
+
+inline bool QBasicAtomicInt::ref()
+{
+    int ret;
+    asm volatile("fetchadd4.acq %0=%1,1\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 :
+                 : "memory");
+    return ret != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    int ret;
+    asm volatile("fetchadd4.rel %0=%1,-1\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 :
+                 : "memory");
+    return ret != 1;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    T *ret;
+    asm volatile("xchg8 %0=%1,%2\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return ret;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    T *ret;
+    asm volatile("mf\n"
+                 "xchg8 %0=%1,%2\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 : "r" (newValue)
+                 : "memory");
+    return ret;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    T *ret;
+    asm volatile("mov ar.ccv=%2\n"
+                 ";;\n"
+                 "cmpxchg8.acq %0=%1,%3,ar.ccv\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret == expectedValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    T *ret;
+    asm volatile("mov ar.ccv=%2\n"
+                 ";;\n"
+                 "cmpxchg8.rel %0=%1,%3,ar.ccv\n"
+                 : "=r" (ret), "+m" (_q_value)
+                 : "r" (expectedValue), "r" (newValue)
+                 : "memory");
+    return ret == expectedValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    T *ret;
+
+#if (__GNUC__ >= 4)
+    // We implement a fast fetch-and-add when we can
+    if (__builtin_constant_p(valueToAdd) && _q_ia64_fetchadd_immediate(valueToAdd * sizeof(T))) {
+        asm volatile("fetchadd8.acq  %0=%1,%2\n"
+                     : "=r" (ret), "+m" (_q_value)
+                     : "i" (valueToAdd * sizeof(T))
+                     : "memory");
+        return ret;
+    }
+#endif
+
+    // otherwise, use a loop around test-and-set
+    ret = _q_value;
+    asm volatile("0:\n"
+                 "      mov           r9=%0\n"
+                 "      mov           ar.ccv=%0\n"
+                 "      add           %0=%0, %2\n"
+                 "      ;;\n"
+                 "      cmpxchg8.acq %0=%1,%0,ar.ccv\n"
+                 "      ;;\n"
+                 "      cmp.ne       p6,p0 = %0, r9\n"
+                 "(p6)  br.dptk      0b\n"
+                 "1:\n"
+                 : "+r" (ret), "+m" (_q_value)
+                 : "r" (valueToAdd * sizeof(T))
+                 : "r9", "p6", "memory");
+    return ret;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    T *ret;
+
+#if (__GNUC__ >= 4)
+    // We implement a fast fetch-and-add when we can
+    if (__builtin_constant_p(valueToAdd) && _q_ia64_fetchadd_immediate(valueToAdd * sizeof(T))) {
+        asm volatile("fetchadd8.rel  %0=%1,%2\n"
+                     : "=r" (ret), "+m" (_q_value)
+                     : "i" (valueToAdd * sizeof(T))
+                     : "memory");
+        return ret;
+    }
+#endif
+
+    // otherwise, use a loop around test-and-set
+    ret = _q_value;
+    asm volatile("0:\n"
+                 "      mov           r9=%0\n"
+                 "      mov           ar.ccv=%0\n"
+                 "      add           %0=%0, %2\n"
+                 "      ;;\n"
+                 "      cmpxchg8.rel %0=%1,%0,ar.ccv\n"
+                 "      ;;\n"
+                 "      cmp.ne       p6,p0 = %0, r9\n"
+                 "(p6)  br.dptk      0b\n"
+                 "1:\n"
+                 : "+r" (ret), "+m" (_q_value)
+                 : "r" (valueToAdd * sizeof(T))
+                 : "r9", "p6", "memory");
+    return ret;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    asm volatile("mf" ::: "memory");
+    return fetchAndAddRelease(valueToAdd);
+}
+
+#elif defined Q_CC_HPACC
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <ia64/sys/inline.h>
+QT_END_INCLUDE_NAMESPACE
+
+#define FENCE (_Asm_fence)(_UP_CALL_FENCE | _UP_SYS_FENCE | _DOWN_CALL_FENCE | _DOWN_SYS_FENCE)
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return _Asm_xchg((_Asm_sz)_SZ_W, &_q_value, (unsigned)newValue,
+                     (_Asm_ldhint)_LDHINT_NONE, FENCE);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    _Asm_mf(FENCE);
+    return _Asm_xchg((_Asm_sz)_SZ_W, &_q_value, (unsigned)newValue,
+                     (_Asm_ldhint)_LDHINT_NONE, FENCE);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (unsigned)expectedValue, FENCE);
+    int ret = _Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_ACQ,
+                           &_q_value, (unsigned)newValue, (_Asm_ldhint)_LDHINT_NONE);
+    return ret == expectedValue;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (unsigned)expectedValue, FENCE);
+    int ret = _Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_REL,
+                           &_q_value, newValue, (_Asm_ldhint)_LDHINT_NONE);
+    return ret == expectedValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    if (valueToAdd == 1)
+        return _Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_ACQ,
+                             &_q_value, 1, (_Asm_ldhint)_LDHINT_NONE, FENCE);
+    else if (valueToAdd == -1)
+        return _Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_ACQ,
+                             &_q_value, -1, (_Asm_ldhint)_LDHINT_NONE, FENCE);
+
+    // implement the test-and-set loop
+    register int old, ret;
+    do {
+        old = _q_value;
+        _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (unsigned)old, FENCE);
+        ret = _Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_ACQ,
+                           &_q_value, old + valueToAdd, (_Asm_ldhint)_LDHINT_NONE);
+    } while (ret != old);
+    return old;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    if (valueToAdd == 1)
+        return _Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_REL,
+                             &_q_value, 1, (_Asm_ldhint)_LDHINT_NONE, FENCE);
+    else if (valueToAdd == -1)
+        return _Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_REL,
+                             &_q_value, -1, (_Asm_ldhint)_LDHINT_NONE, FENCE);
+
+    // implement the test-and-set loop
+    register int old, ret;
+    do {
+        old = _q_value;
+        _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (unsigned)old, FENCE);
+        ret = _Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_REL,
+                           &_q_value, old + valueToAdd, (_Asm_ldhint)_LDHINT_NONE);
+    } while (ret != old);
+    return old;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    _Asm_mf(FENCE);
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+inline bool QBasicAtomicInt::ref()
+{
+    return (int)_Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_ACQ,
+                              &_q_value, 1, (_Asm_ldhint)_LDHINT_NONE, FENCE) != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return (int)_Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_REL,
+                              &_q_value, -1, (_Asm_ldhint)_LDHINT_NONE, FENCE) != 1;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+#ifdef __LP64__
+    return (T *)_Asm_xchg((_Asm_sz)_SZ_D, &_q_value, (quint64)newValue,
+                          (_Asm_ldhint)_LDHINT_NONE, FENCE);
+#else
+    return (T *)_Asm_xchg((_Asm_sz)_SZ_W, &_q_value, (quint32)newValue,
+                          (_Asm_ldhint)_LDHINT_NONE, FENCE);
+#endif
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    _Asm_mf(FENCE);
+    return fetchAndStoreAcquire(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+#ifdef __LP64__
+    _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint64)expectedValue, FENCE);
+    T *ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_D, (_Asm_sem)_SEM_ACQ,
+                               &_q_value, (quint64)newValue, (_Asm_ldhint)_LDHINT_NONE);
+#else
+    _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint32)expectedValue, FENCE);
+    T *ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_ACQ,
+                               &_q_value, (quint32)newValue, (_Asm_ldhint)_LDHINT_NONE);
+#endif
+    return ret == expectedValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+#ifdef __LP64__
+    _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint64)expectedValue, FENCE);
+    T *ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_D, (_Asm_sem)_SEM_REL,
+                               &_q_value, (quint64)newValue, (_Asm_ldhint)_LDHINT_NONE);
+#else
+    _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint32)expectedValue, FENCE);
+    T *ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_REL,
+                               &_q_value, (quint32)newValue, (_Asm_ldhint)_LDHINT_NONE);
+#endif
+    return ret == expectedValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    // implement the test-and-set loop
+    register T *old, *ret;
+    do {
+        old = _q_value;
+#ifdef __LP64__
+        _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint64)old, FENCE);
+        ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_D, (_Asm_sem)_SEM_ACQ,
+                                &_q_value, (quint64)(old + valueToAdd),
+                                (_Asm_ldhint)_LDHINT_NONE);
+#else
+        _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint32)old, FENCE);
+        ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_ACQ,
+                                &_q_value, (quint32)(old + valueToAdd),
+                                (_Asm_ldhint)_LDHINT_NONE);
+#endif
+    } while (old != ret);
+    return old;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    // implement the test-and-set loop
+    register T *old, *ret;
+    do {
+        old = _q_value;
+#ifdef __LP64__
+        _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint64)old, FENCE);
+        ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_D, (_Asm_sem)_SEM_REL,
+                                &_q_value, (quint64)(old + valueToAdd),
+                                (_Asm_ldhint)_LDHINT_NONE);
+#else
+        _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint32)old, FENCE);
+        ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_REL,
+                                &_q_value, (quint32)(old + valueToAdd),
+                                (_Asm_ldhint)_LDHINT_NONE);
+#endif
+    } while (old != ret);
+    return old;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    _Asm_mf(FENCE);
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+#else
+
+extern "C" {
+    Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
+} // extern "C"
+
+#endif
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+#endif // Q_CC_INTEL
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return fetchAndStoreRelease(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return fetchAndStoreRelaxed(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_IA64_H
diff --git a/src/corelib/arch/qatomic_macosx.h b/src/corelib/arch/qatomic_macosx.h
new file mode 100644
index 0000000000..b343e413f0
--- /dev/null
+++ b/src/corelib/arch/qatomic_macosx.h
@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_MACOSX_H
+#define QATOMIC_MACOSX_H
+
+QT_BEGIN_HEADER
+
+#if defined(__x86_64__)
+#  include <QtCore/qatomic_x86_64.h>
+#elif defined(__i386__)
+#  include <QtCore/qatomic_i386.h>
+#else // !__x86_64 && !__i386__
+#  include <QtCore/qatomic_powerpc.h>
+#endif // !__x86_64__ && !__i386__
+
+QT_END_HEADER
+
+#endif // QATOMIC_MACOSX_H
diff --git a/src/corelib/arch/qatomic_mips.h b/src/corelib/arch/qatomic_mips.h
new file mode 100644
index 0000000000..b263aab9fe
--- /dev/null
+++ b/src/corelib/arch/qatomic_mips.h
@@ -0,0 +1,826 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_MIPS_H
+#define QATOMIC_MIPS_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+#if defined(Q_CC_GNU) && !defined(Q_OS_IRIX)
+
+inline bool QBasicAtomicInt::ref()
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("0:\n"
+                 "ll %[originalValue], %[_q_value]\n"
+                 "addiu %[newValue], %[originalValue], %[one]\n"
+                 "sc %[newValue], %[_q_value]\n"
+                 "beqz %[newValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [_q_value] "+m" (_q_value),
+                   [newValue] "=&r" (newValue)
+                 : [one] "i" (1)
+                 : "cc", "memory");
+    return originalValue != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("0:\n"
+                 "ll %[originalValue], %[_q_value]\n"
+                 "addiu %[newValue], %[originalValue], %[minusOne]\n"
+                 "sc %[newValue], %[_q_value]\n"
+                 "beqz %[newValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [_q_value] "+m" (_q_value),
+                   [newValue] "=&r" (newValue)
+                 : [minusOne] "i" (-1)
+                 : "cc", "memory");
+    return originalValue != 1;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    register int result;
+    register int tempValue;
+    asm volatile("0:\n"
+                 "ll %[result], %[_q_value]\n"
+                 "xor %[result], %[result], %[expectedValue]\n"
+                 "bnez %[result], 0f\n"
+                 "nop\n"
+                 "move %[tempValue], %[newValue]\n"
+                 "sc %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    register int result;
+    register int tempValue;
+    asm volatile("0:\n"
+                 "ll %[result], %[_q_value]\n"
+                 "xor %[result], %[result], %[expectedValue]\n"
+                 "bnez %[result], 0f\n"
+                 "nop\n"
+                 "move %[tempValue], %[newValue]\n"
+                 "sc %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 "sync\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    register int result;
+    register int tempValue;
+    asm volatile("sync\n"
+                 "0:\n"
+                 "ll %[result], %[_q_value]\n"
+                 "xor %[result], %[result], %[expectedValue]\n"
+                 "bnez %[result], 0f\n"
+                 "nop\n"
+                 "move %[tempValue], %[newValue]\n"
+                 "sc %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    register int originalValue;
+    register int tempValue;
+    asm volatile("0:\n"
+                 "ll %[originalValue], %[_q_value]\n"
+                 "move %[tempValue], %[newValue]\n"
+                 "sc %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    register int originalValue;
+    register int tempValue;
+    asm volatile("0:\n"
+                 "ll %[originalValue], %[_q_value]\n"
+                 "move %[tempValue], %[newValue]\n"
+                 "sc %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 "sync\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    register int originalValue;
+    register int tempValue;
+    asm volatile("sync\n"
+                 "0:\n"
+                 "ll %[originalValue], %[_q_value]\n"
+                 "move %[tempValue], %[newValue]\n"
+                 "sc %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("0:\n"
+                 "ll %[originalValue], %[_q_value]\n"
+                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
+                 "sc %[newValue], %[_q_value]\n"
+                 "beqz %[newValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [_q_value] "+m" (_q_value),
+                   [newValue] "=&r" (newValue)
+                 : [valueToAdd] "r" (valueToAdd)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("0:\n"
+                 "ll %[originalValue], %[_q_value]\n"
+                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
+                 "sc %[newValue], %[_q_value]\n"
+                 "beqz %[newValue], 0b\n"
+                 "nop\n"
+                 "sync\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [_q_value] "+m" (_q_value),
+                   [newValue] "=&r" (newValue)
+                 : [valueToAdd] "r" (valueToAdd)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("sync\n"
+                 "0:\n"
+                 "ll %[originalValue], %[_q_value]\n"
+                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
+                 "sc %[newValue], %[_q_value]\n"
+                 "beqz %[newValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [_q_value] "+m" (_q_value),
+                   [newValue] "=&r" (newValue)
+                 : [valueToAdd] "r" (valueToAdd)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+#if defined(__LP64__)
+#  define LLP "lld"
+#  define SCP "scd"
+#else
+#  define LLP "ll"
+#  define SCP "sc"
+#endif
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    register T *result;
+    register T *tempValue;
+    asm volatile("0:\n"
+                 LLP" %[result], %[_q_value]\n"
+                 "xor %[result], %[result], %[expectedValue]\n"
+                 "bnez %[result], 0f\n"
+                 "nop\n"
+                 "move %[tempValue], %[newValue]\n"
+                 SCP" %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    register T *result;
+    register T *tempValue;
+    asm volatile("0:\n"
+                 LLP" %[result], %[_q_value]\n"
+                 "xor %[result], %[result], %[expectedValue]\n"
+                 "bnez %[result], 0f\n"
+                 "nop\n"
+                 "move %[tempValue], %[newValue]\n"
+                 SCP" %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 "sync\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    register T *result;
+    register T *tempValue;
+    asm volatile("sync\n"
+                 "0:\n"
+                 LLP" %[result], %[_q_value]\n"
+                 "xor %[result], %[result], %[expectedValue]\n"
+                 "bnez %[result], 0f\n"
+                 "nop\n"
+                 "move %[tempValue], %[newValue]\n"
+                 SCP" %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    register T *originalValue;
+    register T *tempValue;
+    asm volatile("0:\n"
+                 LLP" %[originalValue], %[_q_value]\n"
+                 "move %[tempValue], %[newValue]\n"
+                 SCP" %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    register T *originalValue;
+    register T *tempValue;
+    asm volatile("0:\n"
+                 LLP" %[originalValue], %[_q_value]\n"
+                 "move %[tempValue], %[newValue]\n"
+                 SCP" %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 "sync\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    register T *originalValue;
+    register T *tempValue;
+    asm volatile("sync\n"
+                 "0:\n"
+                 LLP" %[originalValue], %[_q_value]\n"
+                 "move %[tempValue], %[newValue]\n"
+                 SCP" %[tempValue], %[_q_value]\n"
+                 "beqz %[tempValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [tempValue] "=&r" (tempValue),
+                   [_q_value] "+m" (_q_value)
+                 : [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    register T *newValue;
+    asm volatile("0:\n"
+                 LLP" %[originalValue], %[_q_value]\n"
+                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
+                 SCP" %[newValue], %[_q_value]\n"
+                 "beqz %[newValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [_q_value] "+m" (_q_value),
+                   [newValue] "=&r" (newValue)
+                 : [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    register T *newValue;
+    asm volatile("0:\n"
+                 LLP" %[originalValue], %[_q_value]\n"
+                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
+                 SCP" %[newValue], %[_q_value]\n"
+                 "beqz %[newValue], 0b\n"
+                 "nop\n"
+                 "sync\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [_q_value] "+m" (_q_value),
+                   [newValue] "=&r" (newValue)
+                 : [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    register T *newValue;
+    asm volatile("sync\n"
+                 "0:\n"
+                 LLP" %[originalValue], %[_q_value]\n"
+                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
+                 SCP" %[newValue], %[_q_value]\n"
+                 "beqz %[newValue], 0b\n"
+                 "nop\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [_q_value] "+m" (_q_value),
+                   [newValue] "=&r" (newValue)
+                 : [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+#else // !Q_CC_GNU
+
+extern "C" {
+    Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_acquire_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_release_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_acquire_ptr(volatile void *ptr, void *expected, void *newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_release_ptr(volatile void *ptr, void *expected, void *newval);
+} // extern "C"
+
+inline bool QBasicAtomicInt::ref()
+{
+    register int expected;
+    for (;;) {
+        expected = _q_value;
+        if (q_atomic_test_and_set_int(&_q_value, expected, expected + 1))
+            break;
+    }
+    return expected != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    register int expected;
+    for (;;) {
+        expected = _q_value;
+        if (q_atomic_test_and_set_int(&_q_value, expected, expected - 1))
+            break;
+    }
+    return expected != 1;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_release_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    int returnValue;
+    for (;;) {
+        returnValue = _q_value;
+        if (testAndSetRelaxed(returnValue, newValue))
+            break;
+    }
+    return returnValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    int returnValue;
+    for (;;) {
+        returnValue = _q_value;
+        if (testAndSetAcquire(returnValue, newValue))
+            break;
+    }
+    return returnValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    int returnValue;
+    for (;;) {
+        returnValue = _q_value;
+        if (testAndSetRelease(returnValue, newValue))
+            break;
+    }
+    return returnValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    int returnValue;
+    for (;;) {
+        returnValue = _q_value;
+        if (testAndSetOrdered(returnValue, newValue))
+            break;
+    }
+    return returnValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    int returnValue;
+    for (;;) {
+        returnValue = _q_value;
+        if (testAndSetRelaxed(returnValue, returnValue + valueToAdd))
+            break;
+    }
+    return returnValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    int returnValue;
+    for (;;) {
+        returnValue = _q_value;
+        if (testAndSetAcquire(returnValue, returnValue + valueToAdd))
+            break;
+    }
+    return returnValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    int returnValue;
+    for (;;) {
+        returnValue = _q_value;
+        if (testAndSetRelease(returnValue, returnValue + valueToAdd))
+            break;
+    }
+    return returnValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    int returnValue;
+    for (;;) {
+        returnValue = _q_value;
+        if (testAndSetOrdered(returnValue, returnValue + valueToAdd))
+            break;
+    }
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_release_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    T *returnValue;
+    for (;;) {
+        returnValue = (_q_value);
+        if (testAndSetRelaxed(returnValue, newValue))
+            break;
+    }
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    T *returnValue;
+    for (;;) {
+        returnValue = (_q_value);
+        if (testAndSetAcquire(returnValue, newValue))
+            break;
+    }
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    T *returnValue;
+    for (;;) {
+        returnValue = (_q_value);
+        if (testAndSetRelease(returnValue, newValue))
+            break;
+    }
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    T *returnValue;
+    for (;;) {
+        returnValue = (_q_value);
+        if (testAndSetOrdered(returnValue, newValue))
+            break;
+    }
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    T *returnValue;
+    for (;;) {
+        returnValue = (_q_value);
+        if (testAndSetRelaxed(returnValue, returnValue + valueToAdd))
+            break;
+    }
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE
+T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    T *returnValue;
+    for (;;) {
+        returnValue = (_q_value);
+        if (testAndSetAcquire(returnValue, returnValue + valueToAdd))
+            break;
+    }
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    T *returnValue;
+    for (;;) {
+        returnValue = (_q_value);
+        if (testAndSetRelease(returnValue, returnValue + valueToAdd))
+            break;
+    }
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    T *returnValue;
+    for (;;) {
+        returnValue = (_q_value);
+        if (testAndSetOrdered(returnValue, returnValue + valueToAdd))
+            break;
+    }
+    return returnValue;
+}
+
+#endif // Q_CC_GNU
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_MIPS_H
diff --git a/src/corelib/arch/qatomic_parisc.h b/src/corelib/arch/qatomic_parisc.h
new file mode 100644
index 0000000000..134faf93af
--- /dev/null
+++ b/src/corelib/arch/qatomic_parisc.h
@@ -0,0 +1,305 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_PARISC_H
+#define QATOMIC_PARISC_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return false; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return false; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+extern "C" {
+    Q_CORE_EXPORT void q_atomic_lock(int *lock);
+    Q_CORE_EXPORT void q_atomic_unlock(int *lock);
+}
+
+// Reference counting
+
+inline bool QBasicAtomicInt::ref()
+{
+    q_atomic_lock(_q_lock);
+    bool ret = (++_q_value != 0);
+    q_atomic_unlock(_q_lock);
+    return ret;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    q_atomic_lock(_q_lock);
+    bool ret = (--_q_value != 0);
+    q_atomic_unlock(_q_lock);
+    return ret;
+}
+
+// Test-and-set for integers
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    q_atomic_lock(_q_lock);
+    if (_q_value == expectedValue) {
+        _q_value = newValue;
+        q_atomic_unlock(_q_lock);
+        return true;
+    }
+    q_atomic_unlock(_q_lock);
+    return false;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch-and-store for integers
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    q_atomic_lock(_q_lock);
+    int returnValue = _q_value;
+    _q_value = newValue;
+    q_atomic_unlock(_q_lock);
+    return returnValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch-and-add for integers
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    q_atomic_lock(_q_lock);
+    int originalValue = _q_value;
+    _q_value += valueToAdd;
+    q_atomic_unlock(_q_lock);
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+// Test and set for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    q_atomic_lock(_q_lock);
+    if (_q_value == expectedValue) {
+        _q_value = newValue;
+        q_atomic_unlock(_q_lock);
+        return true;
+    }
+    q_atomic_unlock(_q_lock);
+    return false;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    q_atomic_lock(_q_lock);
+    T *returnValue = (_q_value);
+    _q_value = newValue;
+    q_atomic_unlock(_q_lock);
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    q_atomic_lock(_q_lock);
+    T *returnValue = (_q_value);
+    _q_value += valueToAdd;
+    q_atomic_unlock(_q_lock);
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_PARISC_H
diff --git a/src/corelib/arch/qatomic_powerpc.h b/src/corelib/arch/qatomic_powerpc.h
new file mode 100644
index 0000000000..28a143e2a0
--- /dev/null
+++ b/src/corelib/arch/qatomic_powerpc.h
@@ -0,0 +1,650 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_POWERPC_H
+#define QATOMIC_POWERPC_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+QT_BEGIN_NAMESPACE
+
+#if defined(Q_CC_GNU)
+
+#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2) \
+    || (!defined(__64BIT__) && !defined(__powerpc64__) && !defined(__ppc64__))
+#  define _Q_VALUE "0, %[_q_value]"
+#  define _Q_VALUE_MEMORY_OPERAND "+m" (_q_value)
+#  define _Q_VALUE_REGISTER_OPERAND [_q_value] "r" (&_q_value),
+#else
+// On 64-bit with gcc >= 4.2
+#  define _Q_VALUE "%y[_q_value]"
+#  define _Q_VALUE_MEMORY_OPERAND [_q_value] "+Z" (_q_value)
+#  define _Q_VALUE_REGISTER_OPERAND
+#endif
+
+inline bool QBasicAtomicInt::ref()
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("lwarx  %[originalValue]," _Q_VALUE "\n"
+                 "addi   %[newValue], %[originalValue], %[one]\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-12\n"
+                 : [originalValue] "=&b" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [one] "i" (1)
+                 : "cc", "memory");
+    return newValue != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("lwarx  %[originalValue]," _Q_VALUE "\n"
+                 "addi   %[newValue], %[originalValue], %[minusOne]\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-12\n"
+                 : [originalValue] "=&b" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [minusOne] "i" (-1)
+                 : "cc", "memory");
+    return newValue != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    register int result;
+    asm volatile("lwarx  %[result]," _Q_VALUE "\n"
+                 "xor.   %[result], %[result], %[expectedValue]\n"
+                 "bne    $+12\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-16\n"
+                 : [result] "=&r" (result),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    register int result;
+    asm volatile("lwarx  %[result]," _Q_VALUE "\n"
+                 "xor.   %[result], %[result], %[expectedValue]\n"
+                 "bne    $+16\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-16\n"
+                 "isync\n"
+                 : [result] "=&r" (result),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    register int result;
+    asm volatile("eieio\n"
+                 "lwarx  %[result]," _Q_VALUE "\n"
+                 "xor.   %[result], %[result], %[expectedValue]\n"
+                 "bne    $+12\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-16\n"
+                 : [result] "=&r" (result),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    register int originalValue;
+    asm volatile("lwarx  %[originalValue]," _Q_VALUE "\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-8\n"
+                 : [originalValue] "=&r" (originalValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    register int originalValue;
+    asm volatile("lwarx  %[originalValue]," _Q_VALUE "\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-8\n"
+                 "isync\n"
+                 : [originalValue] "=&r" (originalValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    register int originalValue;
+    asm volatile("eieio\n"
+                 "lwarx  %[originalValue]," _Q_VALUE "\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-8\n"
+                 : [originalValue] "=&r" (originalValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("lwarx  %[originalValue]," _Q_VALUE "\n"
+                 "add    %[newValue], %[originalValue], %[valueToAdd]\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-12\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [valueToAdd] "r" (valueToAdd)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("lwarx  %[originalValue]," _Q_VALUE "\n"
+                 "add    %[newValue], %[originalValue], %[valueToAdd]\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-12\n"
+                 "isync\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [valueToAdd] "r" (valueToAdd)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    register int originalValue;
+    register int newValue;
+    asm volatile("eieio\n"
+                 "lwarx  %[originalValue]," _Q_VALUE "\n"
+                 "add    %[newValue], %[originalValue], %[valueToAdd]\n"
+                 "stwcx. %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-12\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [valueToAdd] "r" (valueToAdd)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+#if defined(__64BIT__) || defined(__powerpc64__) || defined(__ppc64__)
+#  define LPARX "ldarx"
+#  define STPCX "stdcx."
+#else
+#  define LPARX "lwarx"
+#  define STPCX "stwcx."
+#endif
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    register void *result;
+    asm volatile(LPARX"  %[result]," _Q_VALUE "\n"
+                 "xor.   %[result], %[result], %[expectedValue]\n"
+                 "bne    $+12\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-16\n"
+                 : [result] "=&r" (result),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    register void *result;
+    asm volatile(LPARX"  %[result]," _Q_VALUE "\n"
+                 "xor.   %[result], %[result], %[expectedValue]\n"
+                 "bne    $+16\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-16\n"
+                 "isync\n"
+                 : [result] "=&r" (result),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    register void *result;
+    asm volatile("eieio\n"
+                 LPARX"  %[result]," _Q_VALUE "\n"
+                 "xor.   %[result], %[result], %[expectedValue]\n"
+                 "bne    $+12\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-16\n"
+                 : [result] "=&r" (result),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    register T *originalValue;
+    asm volatile(LPARX"  %[originalValue]," _Q_VALUE "\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-8\n"
+                 : [originalValue] "=&r" (originalValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    register T *originalValue;
+    asm volatile(LPARX"  %[originalValue]," _Q_VALUE "\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-8\n"
+                 "isync\n"
+                 : [originalValue] "=&r" (originalValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    register T *originalValue;
+    asm volatile("eieio\n"
+                 LPARX"  %[originalValue]," _Q_VALUE "\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-8\n"
+                 : [originalValue] "=&r" (originalValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [newValue] "r" (newValue)
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    register T *newValue;
+    asm volatile(LPARX"  %[originalValue]," _Q_VALUE "\n"
+                 "add    %[newValue], %[originalValue], %[valueToAdd]\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-12\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    register T *newValue;
+    asm volatile(LPARX"  %[originalValue]," _Q_VALUE "\n"
+                 "add    %[newValue], %[originalValue], %[valueToAdd]\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-12\n"
+                 "isync\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    register T *newValue;
+    asm volatile("eieio\n"
+                 LPARX"  %[originalValue]," _Q_VALUE "\n"
+                 "add    %[newValue], %[originalValue], %[valueToAdd]\n"
+                 STPCX"  %[newValue]," _Q_VALUE "\n"
+                 "bne-   $-12\n"
+                 : [originalValue] "=&r" (originalValue),
+                   [newValue] "=&r" (newValue),
+                   _Q_VALUE_MEMORY_OPERAND
+                 : _Q_VALUE_REGISTER_OPERAND
+                   [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "cc", "memory");
+    return originalValue;
+}
+
+#undef LPARX
+#undef STPCX
+#undef _Q_VALUE
+#undef _Q_VALUE_MEMORY_OPERAND
+#undef _Q_VALUE_REGISTER_OPERAND
+
+#else
+
+extern "C" {
+    int q_atomic_test_and_set_int(volatile int *ptr, int expectedValue, int newValue);
+    int q_atomic_test_and_set_acquire_int(volatile int *ptr, int expectedValue, int newValue);
+    int q_atomic_test_and_set_release_int(volatile int *ptr, int expectedValue, int newValue);
+    int q_atomic_test_and_set_ptr(volatile void *ptr, void *expectedValue, void *newValue);
+    int q_atomic_test_and_set_acquire_ptr(volatile void *ptr, void *expectedValue, void *newValue);
+    int q_atomic_test_and_set_release_ptr(volatile void *ptr, void *expectedValue, void *newValue);
+    int q_atomic_increment(volatile int *);
+    int q_atomic_decrement(volatile int *);
+    int q_atomic_set_int(volatile int *, int);
+    int q_atomic_fetch_and_store_acquire_int(volatile int *ptr, int newValue);
+    int q_atomic_fetch_and_store_release_int(volatile int *ptr, int newValue);
+    void *q_atomic_set_ptr(volatile void *, void *);
+    int q_atomic_fetch_and_store_acquire_ptr(volatile void *ptr, void *newValue);
+    int q_atomic_fetch_and_store_release_ptr(volatile void *ptr, void *newValue);
+    int q_atomic_fetch_and_add_int(volatile int *ptr, int valueToAdd);
+    int q_atomic_fetch_and_add_acquire_int(volatile int *ptr, int valueToAdd);
+    int q_atomic_fetch_and_add_release_int(volatile int *ptr, int valueToAdd);
+    void *q_atomic_fetch_and_add_ptr(volatile void *ptr, qptrdiff valueToAdd);
+    void *q_atomic_fetch_and_add_acquire_ptr(volatile void *ptr, qptrdiff valueToAdd);
+    void *q_atomic_fetch_and_add_release_ptr(volatile void *ptr, qptrdiff valueToAdd);
+} // extern "C"
+
+
+inline bool QBasicAtomicInt::ref()
+{
+    return q_atomic_increment(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return q_atomic_decrement(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_release_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return q_atomic_set_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return q_atomic_fetch_and_store_acquire_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return q_atomic_fetch_and_store_release_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return q_atomic_fetch_and_add_int(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return q_atomic_fetch_and_add_acquire_int(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return q_atomic_fetch_and_add_release_int(&_q_value, valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_release_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_set_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_store_acquire_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_store_release_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_acquire_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_release_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+
+#endif
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_POWERPC_H
diff --git a/src/corelib/arch/qatomic_s390.h b/src/corelib/arch/qatomic_s390.h
new file mode 100644
index 0000000000..434e12ae6b
--- /dev/null
+++ b/src/corelib/arch/qatomic_s390.h
@@ -0,0 +1,430 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_S390_H
+#define QATOMIC_S390_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+#ifdef __GNUC__
+#define __GNU_EXTENSION __extension__
+#else
+#define __GNU_EXTENSION
+#endif
+
+#define __CS_LOOP(ptr, op_val, op_string, pre, post) __GNU_EXTENSION ({   \
+	volatile int old_val, new_val;					\
+        __asm__ __volatile__(pre                                        \
+                             "   l     %0,0(%3)\n"                      \
+                             "0: lr    %1,%0\n"				\
+                             op_string "  %1,%4\n"			\
+                             "   cs    %0,%1,0(%3)\n"			\
+                             "   jl    0b\n"				\
+                             post                                       \
+                             : "=&d" (old_val), "=&d" (new_val),	\
+			       "=m" (*ptr)	\
+			     : "a" (ptr), "d" (op_val),			\
+			       "m" (*ptr)	\
+			     : "cc", "memory" );			\
+	new_val;							\
+})
+
+#define __CS_OLD_LOOP(ptr, op_val, op_string, pre, post ) __GNU_EXTENSION ({ \
+	volatile int old_val, new_val;					\
+        __asm__ __volatile__(pre                                        \
+                             "   l     %0,0(%3)\n"			\
+                             "0: lr    %1,%0\n"				\
+                             op_string "  %1,%4\n"			\
+                             "   cs    %0,%1,0(%3)\n"			\
+                             "   jl    0b\n"				\
+                             post                                       \
+                             : "=&d" (old_val), "=&d" (new_val),	\
+			       "=m" (*ptr)	\
+			     : "a" (ptr), "d" (op_val),			\
+			       "m" (*ptr)	\
+			     : "cc", "memory" );			\
+	old_val;							\
+})
+
+#ifdef __s390x__
+#define __CSG_OLD_LOOP(ptr, op_val, op_string, pre, post) __GNU_EXTENSION ({ \
+	long old_val, new_val;						\
+        __asm__ __volatile__(pre                                        \
+                             "   lg    %0,0(%3)\n"                      \
+                             "0: lgr   %1,%0\n"				\
+                             op_string "  %1,%4\n"			\
+                             "   csg   %0,%1,0(%3)\n"			\
+                             "   jl    0b\n"				\
+                             post                                       \
+                             : "=&d" (old_val), "=&d" (new_val),	\
+			       "=m" (*ptr)	\
+			     : "a" (ptr), "d" (op_val),			\
+			       "m" (*ptr)	\
+			     : "cc", "memory" );			\
+	old_val;							\
+})
+#endif
+
+inline bool QBasicAtomicInt::ref()
+{
+    return __CS_LOOP(&_q_value, 1, "ar", "", "") != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return __CS_LOOP(&_q_value, 1, "sr", "", "") != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    int retval;
+    __asm__ __volatile__(
+                         "  lr   %0,%3\n"
+                         "  cs   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+    return retval == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    int retval;
+    __asm__ __volatile__(
+                         "  lr   %0,%3\n"
+                         "  cs   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:\n"
+                         "  bcr 15,0\n"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+    return retval == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    int retval;
+    __asm__ __volatile__(
+                         "  bcr 15,0\n"
+                         "  lr   %0,%3\n"
+                         "  cs   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+    return retval == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return __CS_OLD_LOOP(&_q_value, newValue, "lr", "", "");
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return __CS_OLD_LOOP(&_q_value, newValue, "lr", "", "bcr 15,0\n");
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return __CS_OLD_LOOP(&_q_value, newValue, "lr", "bcr 15,0\n", "");
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return __CS_OLD_LOOP(&_q_value, valueToAdd, "ar", "", "bcr 15,0\n");
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    int retval;
+
+#ifndef __s390x__
+    __asm__ __volatile__(
+                         "  lr   %0,%3\n"
+                         "  cs   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+#else
+    __asm__ __volatile__(
+                         "  lgr   %0,%3\n"
+                         "  csg   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+#endif
+
+    return retval == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    int retval;
+
+#ifndef __s390x__
+    __asm__ __volatile__(
+                         "  lr   %0,%3\n"
+                         "  cs   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:\n"
+                         "  bcr 15,0\n"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+#else
+    __asm__ __volatile__(
+                         "  lgr   %0,%3\n"
+                         "  csg   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:\n"
+                         "  bcr 15,0\n"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+#endif
+
+    return retval == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    int retval;
+
+#ifndef __s390x__
+    __asm__ __volatile__(
+                         "  bcr 15,0\n"
+                         "  lr   %0,%3\n"
+                         "  cs   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+#else
+    __asm__ __volatile__(
+                         "  bcr 15,0\n"
+                         "  lgr   %0,%3\n"
+                         "  csg   %0,%4,0(%2)\n"
+                         "  ipm  %0\n"
+                         "  srl  %0,28\n"
+                         "0:"
+                         : "=&d" (retval), "=m" (_q_value)
+                         : "a" (&_q_value), "d" (expectedValue) , "d" (newValue),
+                           "m" (_q_value) : "cc", "memory" );
+#endif
+
+    return retval == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T* QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+#ifndef __s390x__
+    return (T*)__CS_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (int)newValue, "lr",
+                             "", "bcr 15,0\n");
+#else
+    return (T*)__CSG_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (long)newValue, "lgr",
+                              "", "bcr 15,0\n");
+#endif
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T* QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+#ifndef __s390x__
+    return (T*)__CS_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (int)newValue, "lr", "", "");
+#else
+    return (T*)__CSG_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (long)newValue, "lgr", "", "");
+#endif
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T* QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+#ifndef __s390x__
+    return (T*)__CS_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (int)newValue, "lr",
+                             "bcr 15,0 \n", "");
+#else
+    return (T*)__CSG_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (long)newValue, "lgr",
+                              "bcr 15,0\n", "");
+#endif
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T* QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+#undef __GNU_EXTENSION
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_S390_H
diff --git a/src/corelib/arch/qatomic_sh.h b/src/corelib/arch/qatomic_sh.h
new file mode 100644
index 0000000000..b78ad45d36
--- /dev/null
+++ b/src/corelib/arch/qatomic_sh.h
@@ -0,0 +1,330 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_SH_H
+#define QATOMIC_SH_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return false; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return false; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+extern Q_CORE_EXPORT volatile char qt_atomic_lock;
+Q_CORE_EXPORT void qt_atomic_yield(int *count);
+
+inline int qt_atomic_tasb(volatile char *ptr)
+{
+    register int ret;
+    asm volatile("tas.b @%2\n"
+                 "movt  %0"
+                 : "=&r"(ret), "=m"(*ptr)
+                 : "r"(ptr)
+                 : "cc", "memory");
+    return ret;
+}
+
+// Reference counting
+
+inline bool QBasicAtomicInt::ref()
+{
+    int count = 0;
+    while (qt_atomic_tasb(&qt_atomic_lock) == 0)
+        qt_atomic_yield(&count);
+    int originalValue = _q_value++;
+    qt_atomic_lock = 0;
+    return originalValue != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    int count = 0;
+    while (qt_atomic_tasb(&qt_atomic_lock) == 0)
+        qt_atomic_yield(&count);
+    int originalValue = _q_value--;
+    qt_atomic_lock = 0;
+    return originalValue != 1;
+}
+
+// Test and set for integers
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    bool returnValue = false;
+    int count = 0;
+    while (qt_atomic_tasb(&qt_atomic_lock) == 0)
+        qt_atomic_yield(&count);
+    if (_q_value == expectedValue) {
+        _q_value = newValue;
+        returnValue = true;
+    }
+    qt_atomic_lock = 0;
+    return returnValue;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for integers
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    int count = 0;
+    while (qt_atomic_tasb(&qt_atomic_lock) == 0)
+        qt_atomic_yield(&count);
+    int originalValue = _q_value;
+    _q_value = newValue;
+    qt_atomic_lock = 0;
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for integers
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    int count = 0;
+    while (qt_atomic_tasb(&qt_atomic_lock) == 0)
+        qt_atomic_yield(&count);
+    int originalValue = _q_value;
+    _q_value += valueToAdd;
+    qt_atomic_lock = 0;
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+// Test and set for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    bool returnValue = false;
+    int count = 0;
+    while (qt_atomic_tasb(&qt_atomic_lock) == 0)
+        qt_atomic_yield(&count);
+    if (_q_value == expectedValue) {
+        _q_value = newValue;
+        returnValue = true;
+    }
+    qt_atomic_lock = 0;
+    return returnValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    int count = 0;
+    while (qt_atomic_tasb(&qt_atomic_lock) == 0)
+        qt_atomic_yield(&count);
+    T *originalValue = _q_value;
+    _q_value = newValue;
+    qt_atomic_lock = 0;
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    int count = 0;
+    while (qt_atomic_tasb(&qt_atomic_lock) == 0)
+        qt_atomic_yield(&count);
+    T *originalValue = (_q_value);
+    _q_value += valueToAdd;
+    qt_atomic_lock = 0;
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_SH_H
diff --git a/src/corelib/arch/qatomic_sh4a.h b/src/corelib/arch/qatomic_sh4a.h
new file mode 100644
index 0000000000..54371cd86b
--- /dev/null
+++ b/src/corelib/arch/qatomic_sh4a.h
@@ -0,0 +1,537 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_SH4A_H
+#define QATOMIC_SH4A_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+QT_BEGIN_NAMESPACE
+
+#if !defined(Q_CC_GNU)
+#  error "SH-4A support has not been added for this compiler"
+#else
+
+inline bool QBasicAtomicInt::ref()
+{
+    register int newValue asm("r0");
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], %[newValue]\n"
+                 "add #1,%[newValue]\n"
+                 "movco.l %[newValue], @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [newValue] "=&r" (newValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return newValue != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    register int newValue asm("r0");
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], %[newValue]\n"
+                 "add #-1,%[newValue]\n"
+                 "movco.l %[newValue], @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [newValue] "=&r" (newValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value)
+                 : "cc", "memory");
+    return newValue != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    register int result;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "xor %[expectedValue], r0\n"
+                 "cmp/eq #0, r0\n"
+                 "bf/s 0f\n"
+                 "mov r0, %[result]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    register int result;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "xor %[expectedValue], r0\n"
+                 "cmp/eq #0, r0\n"
+                 "bf/s 0f\n"
+                 "mov r0, %[result]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "synco\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    register int result;
+    asm volatile("synco\n"
+                 "0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "xor %[expectedValue], r0\n"
+                 "cmp/eq #0, r0\n"
+                 "bf/s 0f\n"
+                 "mov r0, %[result]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return result == 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    register int originalValue;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    register int originalValue;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "synco\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    register int originalValue;
+    asm volatile("synco\n"
+                 "0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    register int originalValue;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "add %[valueToAdd], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [valueToAdd] "r" (valueToAdd)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    register int originalValue;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "add %[valueToAdd], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "synco\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [valueToAdd] "r" (valueToAdd)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    register int originalValue;
+    asm volatile("synco\n"
+                 "0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "add %[valueToAdd], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [valueToAdd] "r" (valueToAdd)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    register T *result;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "xor %[expectedValue], r0\n"
+                 "cmp/eq #0, r0\n"
+                 "bf/s 0f\n"
+                 "mov r0, %[result]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    register T *result;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "xor %[expectedValue], r0\n"
+                 "cmp/eq #0, r0\n"
+                 "bf/s 0f\n"
+                 "mov r0, %[result]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "synco\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    register T *result;
+    asm volatile("synco\n"
+                 "0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "xor %[expectedValue], r0\n"
+                 "cmp/eq #0, r0\n"
+                 "bf/s 0f\n"
+                 "mov r0, %[result]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "0:\n"
+                 : [result] "=&r" (result),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [expectedValue] "r" (expectedValue),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return result == 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return testAndSetAcquire(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    register T *originalValue;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    register T *originalValue;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "synco\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    register T *originalValue;
+    asm volatile("synco\n"
+                 "0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "mov %[newValue], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [newValue] "r" (newValue)
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return fetchAndStoreAcquire(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "add %[valueToAdd], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    asm volatile("0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "add %[valueToAdd], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 "synco\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    register T *originalValue;
+    asm volatile("synco\n"
+                 "0:\n"
+                 "movli.l @%[_q_value], r0\n"
+                 "mov r0, %[originalValue]\n"
+                 "add %[valueToAdd], r0\n"
+                 "movco.l r0, @%[_q_value]\n"
+                 "bf 0b\n"
+                 : [originalValue] "=&r" (originalValue),
+                   "+m" (_q_value)
+                 : [_q_value] "r" (&_q_value),
+                   [valueToAdd] "r" (valueToAdd * sizeof(T))
+                 : "r0", "cc", "memory");
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return fetchAndAddAcquire(valueToAdd);
+}
+
+#endif // Q_CC_GNU
+
+#endif // QATOMIC_SH4A_H
diff --git a/src/corelib/arch/qatomic_sparc.h b/src/corelib/arch/qatomic_sparc.h
new file mode 100644
index 0000000000..4129f1478b
--- /dev/null
+++ b/src/corelib/arch/qatomic_sparc.h
@@ -0,0 +1,525 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_SPARC_H
+#define QATOMIC_SPARC_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#if defined(_LP64)
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+extern "C" {
+    Q_CORE_EXPORT int q_atomic_increment(volatile int *ptr);
+    Q_CORE_EXPORT int q_atomic_decrement(volatile int *ptr);
+
+    Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_acquire_int(volatile int *ptr,
+                                                        int expected,
+                                                        int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_release_int(volatile int *ptr,
+                                                        int expected,
+                                                        int newval);
+
+    Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval);
+    Q_CORE_EXPORT int q_atomic_fetch_and_store_acquire_int(volatile int *ptr, int newval);
+    Q_CORE_EXPORT int q_atomic_fetch_and_store_release_int(volatile int *ptr, int newval);
+
+    Q_CORE_EXPORT int q_atomic_fetch_and_add_int(volatile int *ptr, int value);
+    Q_CORE_EXPORT int q_atomic_fetch_and_add_acquire_int(volatile int *ptr, int value);
+    Q_CORE_EXPORT int q_atomic_fetch_and_add_release_int(volatile int *ptr, int value);
+
+    Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_acquire_ptr(volatile void *ptr,
+                                                        void *expected,
+                                                        void *newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_release_ptr(volatile void *ptr,
+                                                        void *expected,
+                                                        void *newval);
+
+    Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);
+    Q_CORE_EXPORT void *q_atomic_fetch_and_store_acquire_ptr(volatile void *ptr, void *newval);
+    Q_CORE_EXPORT void *q_atomic_fetch_and_store_release_ptr(volatile void *ptr, void *newval);
+
+    Q_CORE_EXPORT void *q_atomic_fetch_and_add_ptr(volatile void *ptr, int value);
+    Q_CORE_EXPORT void *q_atomic_fetch_and_add_acquire_ptr(volatile void *ptr, int value);
+    Q_CORE_EXPORT void *q_atomic_fetch_and_add_release_ptr(volatile void *ptr, int value);
+}
+
+inline bool QBasicAtomicInt::ref()
+{
+    return fetchAndAddRelaxed(1) != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return fetchAndAddRelaxed(-1) != 1;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_release_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return q_atomic_set_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return q_atomic_fetch_and_store_acquire_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return q_atomic_fetch_and_store_release_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return q_atomic_fetch_and_store_acquire_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int newValue)
+{
+    return q_atomic_fetch_and_add_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int newValue)
+{
+    return q_atomic_fetch_and_add_acquire_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int newValue)
+{
+    return q_atomic_fetch_and_add_release_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int newValue)
+{
+    return q_atomic_fetch_and_add_acquire_int(&_q_value, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_release_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_set_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_store_acquire_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_store_release_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_store_acquire_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE
+T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_acquire_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_release_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_acquire_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+
+#else
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return false; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return false; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+extern "C" {
+    Q_CORE_EXPORT int q_atomic_lock_int(volatile int *addr);
+    Q_CORE_EXPORT int q_atomic_lock_ptr(volatile void *addr);
+    Q_CORE_EXPORT void q_atomic_unlock(volatile void *addr, int value);
+    Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval);
+    Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);
+} // extern "C"
+
+inline bool QBasicAtomicInt::ref()
+{
+    const int val = q_atomic_lock_int(&_q_value);
+    q_atomic_unlock(&_q_value, val + 1);
+    return val != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    const int val = q_atomic_lock_int(&_q_value);
+    q_atomic_unlock(&_q_value, val - 1);
+    return val != 1;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    int val = q_atomic_lock_int(&_q_value);
+    if (val == expectedValue) {
+        q_atomic_unlock(&_q_value, newValue);
+        return true;
+    }
+    q_atomic_unlock(&_q_value, val);
+    return false;
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return q_atomic_set_int(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    const int originalValue = q_atomic_lock_int(&_q_value);
+    q_atomic_unlock(&_q_value, originalValue + valueToAdd);
+    return originalValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    T *val = reinterpret_cast<T *>(q_atomic_lock_ptr(&_q_value));
+    if (val == expectedValue) {
+        q_atomic_unlock(&_q_value, reinterpret_cast<int>(newValue));
+        return true;
+    }
+    q_atomic_unlock(&_q_value, reinterpret_cast<int>(val));
+    return false;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_set_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    T *originalValue = reinterpret_cast<T *>(q_atomic_lock_ptr(&_q_value));
+    q_atomic_unlock(&_q_value, int(originalValue + valueToAdd));
+    return originalValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+#endif // _LP64
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_SPARC_H
diff --git a/src/corelib/arch/qatomic_windows.h b/src/corelib/arch/qatomic_windows.h
new file mode 100644
index 0000000000..ac26b4f6cb
--- /dev/null
+++ b/src/corelib/arch/qatomic_windows.h
@@ -0,0 +1,564 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_WINDOWS_H
+#define QATOMIC_WINDOWS_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_WAIT_FREE
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return true; }
+
+#if defined(Q_CC_MSVC)
+
+// MSVC++ 6.0 doesn't generate correct code when optimizations are turned on!
+#if _MSC_VER < 1300 && defined (_M_IX86)
+
+inline bool QBasicAtomicInt::ref()
+{
+    volatile int *pointer = &_q_value;
+    unsigned char retVal;
+    __asm {
+        mov ECX,pointer
+        lock inc DWORD ptr[ECX]
+        setne retVal
+    }
+    return retVal != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    volatile int *pointer = &_q_value;
+    unsigned char retVal;
+    __asm {
+        mov ECX,pointer
+        lock dec DWORD ptr[ECX]
+        setne retVal
+    }
+    return retVal != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    volatile int *pointer = &_q_value;
+    __asm {
+        mov EDX,pointer
+        mov EAX,expectedValue
+        mov ECX,newValue
+        lock cmpxchg dword ptr[EDX],ECX
+        mov newValue,EAX
+    }
+    return newValue == expectedValue;
+}
+
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    volatile int *pointer = &_q_value;
+    __asm {
+        mov EDX,pointer
+        mov ECX,newValue
+        lock xchg dword ptr[EDX],ECX
+        mov newValue,ECX
+    }
+    return newValue;
+}
+
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    volatile int *pointer = &_q_value;
+    __asm {
+        mov EDX,pointer
+        mov ECX,valueToAdd
+        lock xadd dword ptr[EDX],ECX
+        mov valueToAdd,ECX
+    }
+    return valueToAdd;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    volatile void *pointer = &_q_value;
+    __asm {
+        mov EDX,pointer
+        mov EAX,expectedValue
+        mov ECX,newValue
+        lock cmpxchg dword ptr[EDX],ECX
+        mov newValue,EAX
+    }
+    return newValue == expectedValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    volatile void *pointer = &_q_value;
+    __asm {
+        mov EDX,pointer
+        mov ECX,newValue
+        lock xchg dword ptr[EDX],ECX
+        mov newValue,ECX
+    }
+    return reinterpret_cast<T *>(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    volatile void *pointer = &_q_value;
+    valueToAdd *= sizeof(T);
+    __asm {
+        mov EDX,pointer
+        mov ECX,valueToAdd
+        lock xadd dword ptr[EDX],ECX
+        mov pointer,ECX
+    }
+    return reinterpret_cast<T *>(const_cast<void *>(pointer));
+}
+
+#else
+
+#if !defined(Q_OS_WINCE)
+// use compiler intrinsics for all atomic functions
+extern "C" {
+    long __cdecl _InterlockedIncrement(volatile long *);
+    long __cdecl _InterlockedDecrement(volatile long *);
+    long __cdecl _InterlockedExchange(volatile long *, long);
+    long __cdecl _InterlockedCompareExchange(volatile long *, long, long);
+    long __cdecl _InterlockedExchangeAdd(volatile long *, long);
+}
+#  pragma intrinsic (_InterlockedIncrement)
+#  pragma intrinsic (_InterlockedDecrement)
+#  pragma intrinsic (_InterlockedExchange)
+#  pragma intrinsic (_InterlockedCompareExchange)
+#  pragma intrinsic (_InterlockedExchangeAdd)
+
+#  ifndef _M_IX86
+extern "C" {
+    void *_InterlockedCompareExchangePointer(void * volatile *, void *, void *);
+    void *_InterlockedExchangePointer(void * volatile *, void *);
+    __int64 _InterlockedExchangeAdd64(__int64 volatile * Addend, __int64 Value);
+}
+#    pragma intrinsic (_InterlockedCompareExchangePointer)
+#    pragma intrinsic (_InterlockedExchangePointer)
+#    pragma intrinsic (_InterlockedExchangeAdd64)
+#    define _InterlockedExchangeAddPointer(a,b) \
+        _InterlockedExchangeAdd64(reinterpret_cast<volatile __int64 *>(a), __int64(b))
+#  else
+#    define _InterlockedCompareExchangePointer(a,b,c) \
+        _InterlockedCompareExchange(reinterpret_cast<volatile long *>(a), long(b), long(c))
+#    define _InterlockedExchangePointer(a, b) \
+        _InterlockedExchange(reinterpret_cast<volatile long *>(a), long(b))
+#    define _InterlockedExchangeAddPointer(a,b) \
+        _InterlockedExchangeAdd(reinterpret_cast<volatile long *>(a), long(b))
+#  endif
+inline bool QBasicAtomicInt::ref()
+{
+    return _InterlockedIncrement(reinterpret_cast<volatile long *>(&_q_value)) != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return _InterlockedDecrement(reinterpret_cast<volatile long *>(&_q_value)) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return _InterlockedCompareExchange(reinterpret_cast<volatile long *>(&_q_value), newValue, expectedValue) == expectedValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return _InterlockedExchange(reinterpret_cast<volatile long *>(&_q_value), newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return _InterlockedExchangeAdd(reinterpret_cast<volatile long *>(&_q_value), valueToAdd);
+}
+
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4311 ) // ignoring the warning from /Wp64
+#endif
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return (_InterlockedCompareExchangePointer(reinterpret_cast<void * volatile *>(&_q_value),
+                                              newValue, expectedValue) == 
+#ifndef _M_IX86
+                                              (void *)
+#else
+                                              (long)  
+#endif
+                                              (expectedValue));
+}
+
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return reinterpret_cast<T *>(_InterlockedExchangePointer(reinterpret_cast<void * volatile *>(&_q_value), newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(_InterlockedExchangeAddPointer(reinterpret_cast<void * volatile *>(&_q_value), valueToAdd * sizeof(T)));
+}
+
+#else // Q_OS_WINCE
+
+#if _WIN32_WCE < 0x600 && defined(_X86_)
+// For X86 Windows CE build we need to include winbase.h to be able
+// to catch the inline functions which overwrite the regular 
+// definitions inside of coredll.dll. Though one could use the 
+// original version of Increment/Decrement, the others are not
+// exported at all.
+#include <winbase.h>
+#else
+
+#if _WIN32_WCE >= 0x600
+#define Q_ARGUMENT_TYPE volatile
+#  if defined(_X86_)
+#    define InterlockedIncrement _InterlockedIncrement
+#    define InterlockedDecrement _InterlockedDecrement
+#    define InterlockedExchange _InterlockedExchange
+#    define InterlockedCompareExchange _InterlockedCompareExchange
+#    define InterlockedExchangeAdd _InterlockedExchangeAdd
+#  endif
+#else
+#define Q_ARGUMENT_TYPE
+#endif
+
+extern "C" {
+long __cdecl InterlockedIncrement(long Q_ARGUMENT_TYPE * lpAddend);
+long __cdecl InterlockedDecrement(long Q_ARGUMENT_TYPE * lpAddend);
+long __cdecl InterlockedExchange(long Q_ARGUMENT_TYPE * Target, long Value);
+long __cdecl InterlockedCompareExchange(long Q_ARGUMENT_TYPE * Destination, long Exchange, long Comperand);
+long __cdecl InterlockedExchangeAdd(long Q_ARGUMENT_TYPE * Addend, long Value);
+}
+
+#if _WIN32_WCE >= 0x600 && defined(_X86_)
+#  pragma intrinsic (_InterlockedIncrement)
+#  pragma intrinsic (_InterlockedDecrement)
+#  pragma intrinsic (_InterlockedExchange)
+#  pragma intrinsic (_InterlockedCompareExchange)
+#  pragma intrinsic (_InterlockedExchangeAdd)
+#endif
+
+#endif
+
+
+inline bool QBasicAtomicInt::ref()
+{
+    return InterlockedIncrement((long*)(&_q_value)) != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return InterlockedDecrement((long*)(&_q_value)) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return InterlockedCompareExchange((long*)(&_q_value), newValue, expectedValue) == expectedValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return InterlockedExchange((long*)(&_q_value), newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return InterlockedExchangeAdd((long*)(&_q_value), valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return (InterlockedCompareExchange((long*)(&_q_value),
+                                              (long)newValue, (long)expectedValue) == 
+                                              (long)(expectedValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return reinterpret_cast<T *>(InterlockedExchange((long*)(&_q_value), (long)newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(InterlockedExchangeAdd((long*)(&_q_value), valueToAdd * sizeof(T)));
+}
+
+#endif //Q_OS_WINCE
+
+#endif // _MSC_VER ...
+
+#else
+
+// __INTERLOCKED_DECLARED is defined in MinGW's winbase.h. Simply, preferrably we use
+// MinGW's definition, such that we pick up variations in the headers.
+#ifndef __INTERLOCKED_DECLARED
+#define __INTERLOCKED_DECLARED
+extern "C" {
+    __declspec(dllimport) long __stdcall InterlockedCompareExchange(long *, long, long);
+    __declspec(dllimport) long __stdcall InterlockedIncrement(long *);
+    __declspec(dllimport) long __stdcall InterlockedDecrement(long *);
+    __declspec(dllimport) long __stdcall InterlockedExchange(long *, long);
+    __declspec(dllimport) long __stdcall InterlockedExchangeAdd(long *, long);
+}
+#endif
+
+inline bool QBasicAtomicInt::ref()
+{
+    return InterlockedIncrement(reinterpret_cast<long *>(const_cast<int *>(&_q_value))) != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return InterlockedDecrement(reinterpret_cast<long *>(const_cast<int *>(&_q_value))) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return InterlockedCompareExchange(reinterpret_cast<long *>(const_cast<int *>(&_q_value)), newValue, expectedValue) == expectedValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{ return InterlockedExchange(reinterpret_cast<long *>(const_cast<int *>(&_q_value)), newValue); }
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return InterlockedExchangeAdd(reinterpret_cast<long *>(const_cast<int *>(&_q_value)), valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T* newValue)
+{ return InterlockedCompareExchange(reinterpret_cast<long *>(const_cast<T **>(&_q_value)),
+                                    reinterpret_cast<long>(newValue),
+                                    reinterpret_cast<long>(expectedValue)) == reinterpret_cast<long>(expectedValue); }
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T* newValue)
+{ return reinterpret_cast<T *>(InterlockedExchange(reinterpret_cast<long *>(const_cast<T **>(&_q_value)),
+			                           reinterpret_cast<long>(newValue))); }
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{ return reinterpret_cast<T *>(InterlockedExchangeAdd(reinterpret_cast<long *>(const_cast<T **>(&_q_value)), valueToAdd * sizeof(T))); }
+
+#endif // Q_CC_GNU
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_WINDOWS_H
diff --git a/src/corelib/arch/qatomic_windowsce.h b/src/corelib/arch/qatomic_windowsce.h
new file mode 100644
index 0000000000..95ecba84f9
--- /dev/null
+++ b/src/corelib/arch/qatomic_windowsce.h
@@ -0,0 +1,56 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WINDOWSCE_QATOMIC_H
+#define WINDOWSCE_QATOMIC_H
+
+#include <QtCore/qglobal.h>
+QT_BEGIN_HEADER
+
+#if defined(QT_ARCH_WINDOWSCE)
+#include "QtCore/qatomic_windows.h"
+#endif
+
+QT_END_HEADER
+
+#endif // QATOMIC_ARCH_H
+
+
diff --git a/src/corelib/arch/qatomic_x86_64.h b/src/corelib/arch/qatomic_x86_64.h
new file mode 100644
index 0000000000..79d8a075e7
--- /dev/null
+++ b/src/corelib/arch/qatomic_x86_64.h
@@ -0,0 +1,363 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_X86_64_H
+#define QATOMIC_X86_64_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return true; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return true; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_WAIT_FREE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return true; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return true; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_WAIT_FREE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return true; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return true; }
+
+#if defined(Q_CC_GNU) || defined(Q_CC_INTEL)
+
+inline bool QBasicAtomicInt::ref()
+{
+    unsigned char ret;
+    asm volatile("lock\n"
+                 "incl %0\n"
+                 "setne %1"
+                 : "=m" (_q_value), "=qm" (ret)
+                 : "m" (_q_value)
+                 : "memory");
+    return ret != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    unsigned char ret;
+    asm volatile("lock\n"
+                 "decl %0\n"
+                 "setne %1"
+                 : "=m" (_q_value), "=qm" (ret)
+                 : "m" (_q_value)
+                 : "memory");
+    return ret != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    unsigned char ret;
+    asm volatile("lock\n"
+                 "cmpxchgl %3,%2\n"
+                 "sete %1\n"
+                 : "=a" (newValue), "=qm" (ret), "+m" (_q_value)
+                 : "r" (newValue), "0" (expectedValue)
+                 : "memory");
+    return ret != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    asm volatile("xchgl %0,%1"
+                 : "=r" (newValue), "+m" (_q_value)
+                 : "0" (newValue)
+                 : "memory");
+    return newValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    asm volatile("lock\n"
+                 "xaddl %0,%1"
+                 : "=r" (valueToAdd), "+m" (_q_value)
+                 : "0" (valueToAdd)
+                 : "memory");
+    return valueToAdd;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    unsigned char ret;
+    asm volatile("lock\n"
+                 "cmpxchgq %3,%2\n"
+                 "sete %1\n"
+                 : "=a" (newValue), "=qm" (ret), "+m" (_q_value)
+                 : "r" (newValue), "0" (expectedValue)
+                 : "memory");
+    return ret != 0;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    asm volatile("xchgq %0,%1"
+                 : "=r" (newValue), "+m" (_q_value)
+                 : "0" (newValue)
+                 : "memory");
+    return newValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    asm volatile("lock\n"
+                 "xaddq %0,%1"
+                 : "=r" (valueToAdd), "+m" (_q_value)
+                 : "0" (valueToAdd * sizeof(T))
+                 : "memory");
+    return reinterpret_cast<T *>(valueToAdd);
+}
+
+#else // !Q_CC_INTEL && !Q_CC_GNU
+
+extern "C" {
+    Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);
+    Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
+    Q_CORE_EXPORT int q_atomic_increment(volatile int *ptr);
+    Q_CORE_EXPORT int q_atomic_decrement(volatile int *ptr);
+    Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval);
+    Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);
+    Q_CORE_EXPORT int q_atomic_fetch_and_add_int(volatile int *ptr, int value);
+    Q_CORE_EXPORT void *q_atomic_fetch_and_add_ptr(volatile void *ptr, qptrdiff value);
+} // extern "C"
+
+inline bool QBasicAtomicInt::ref()
+{
+    return q_atomic_increment(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    return q_atomic_decrement(&_q_value) != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expected, int newval)
+{
+    return q_atomic_test_and_set_int(&_q_value, expected, newval) != 0;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newval)
+{
+    return q_atomic_set_int(&_q_value, newval);
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int aValue)
+{
+    return q_atomic_fetch_and_add_int(&_q_value, aValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return reinterpret_cast<T *>(q_atomic_set_ptr(&_q_value, newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return reinterpret_cast<T *>(q_atomic_fetch_and_add_ptr(&_q_value, valueToAdd * sizeof(T)));
+}
+
+#endif // Q_CC_GNU || Q_CC_INTEL
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_X86_64_H
diff --git a/src/corelib/arch/s390/arch.pri b/src/corelib/arch/s390/arch.pri
new file mode 100644
index 0000000000..45cc57824b
--- /dev/null
+++ b/src/corelib/arch/s390/arch.pri
@@ -0,0 +1,3 @@
+#
+# S390 architecture
+#
diff --git a/src/corelib/arch/sh/arch.pri b/src/corelib/arch/sh/arch.pri
new file mode 100644
index 0000000000..67fbb16c10
--- /dev/null
+++ b/src/corelib/arch/sh/arch.pri
@@ -0,0 +1,4 @@
+#
+# SH (Renesas SuperH) architecture
+#
+SOURCES += $$QT_ARCH_CPP/qatomic_sh.cpp
diff --git a/src/corelib/arch/sh/qatomic_sh.cpp b/src/corelib/arch/sh/qatomic_sh.cpp
new file mode 100644
index 0000000000..00a32eea16
--- /dev/null
+++ b/src/corelib/arch/sh/qatomic_sh.cpp
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qglobal.h>
+
+#include <unistd.h>
+#ifdef _POSIX_PRIORITY_SCHEDULING
+# include <sched.h>
+#endif
+#include <time.h>
+
+QT_BEGIN_NAMESPACE
+
+QT_USE_NAMESPACE
+
+Q_CORE_EXPORT volatile char qt_atomic_lock = 0;
+
+Q_CORE_EXPORT void qt_atomic_yield(int *count)
+{
+#ifdef _POSIX_PRIORITY_SCHEDULING
+    if((*count)++ < 50) {
+        sched_yield();
+    } else
+#endif
+    {
+        struct timespec tm;
+        tm.tv_sec = 0;
+        tm.tv_nsec = 2000001;
+        nanosleep(&tm, NULL);
+        *count = 0;
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/arch/sh4a/arch.pri b/src/corelib/arch/sh4a/arch.pri
new file mode 100644
index 0000000000..19d5e040a9
--- /dev/null
+++ b/src/corelib/arch/sh4a/arch.pri
@@ -0,0 +1,3 @@
+#
+# SH-4A (Renesas SuperH) architecture
+#
diff --git a/src/corelib/arch/sparc/arch.pri b/src/corelib/arch/sparc/arch.pri
new file mode 100644
index 0000000000..3113dd3d82
--- /dev/null
+++ b/src/corelib/arch/sparc/arch.pri
@@ -0,0 +1,10 @@
+#
+# SPARC architecture
+#
+*-64 {
+    SOURCES += $$QT_ARCH_CPP/qatomic64.s
+} 
+else {
+    SOURCES += $$QT_ARCH_CPP/qatomic32.s \
+               $$QT_ARCH_CPP/qatomic_sparc.cpp
+}
diff --git a/src/corelib/arch/sparc/qatomic32.s b/src/corelib/arch/sparc/qatomic32.s
new file mode 100644
index 0000000000..f0ab0d1ee7
--- /dev/null
+++ b/src/corelib/arch/sparc/qatomic32.s
@@ -0,0 +1,63 @@
+	.section ".text"
+
+	.align 4
+	.type q_atomic_trylock_int,#function
+	.global q_atomic_trylock_int
+q_atomic_trylock_int:
+        sethi %hi(-2147483648),%o2
+        swap [%o0],%o2
+        retl
+        mov %o2,%o0
+        .size q_atomic_trylock_int,.-q_atomic_trylock_int
+
+
+
+
+        .align 4
+        .type q_atomic_trylock_ptr,#function
+        .global q_atomic_trylock_ptr
+q_atomic_trylock_ptr:
+        mov -1, %o2
+        swap [%o0], %o2
+        retl
+        mov %o2, %o0
+        .size q_atomic_trylock_ptr,.-q_atomic_trylock_ptr
+
+
+
+
+	.align 4
+	.type q_atomic_unlock,#function
+	.global q_atomic_unlock
+q_atomic_unlock:
+	stbar
+	retl
+	st %o1,[%o0]
+	.size q_atomic_unlock,.-q_atomic_unlock
+
+
+
+
+	.align 4
+	.type q_atomic_set_int,#function
+	.global q_atomic_set_int
+q_atomic_set_int:
+	swap [%o0],%o1
+        stbar
+	retl
+	mov %o1,%o0
+	.size q_atomic_set_int,.-q_atomic_set_int
+
+
+
+
+	.align 4
+	.type q_atomic_set_ptr,#function
+	.global q_atomic_set_ptr
+q_atomic_set_ptr:
+	swap [%o0],%o1
+        stbar
+	retl
+	mov %o1,%o0
+	.size q_atomic_set_ptr,.-q_atomic_set_ptr
+
diff --git a/src/corelib/arch/sparc/qatomic64.s b/src/corelib/arch/sparc/qatomic64.s
new file mode 100644
index 0000000000..edd17167ca
--- /dev/null
+++ b/src/corelib/arch/sparc/qatomic64.s
@@ -0,0 +1,287 @@
+	.section ".text"
+
+	.align 4
+	.type q_atomic_test_and_set_int,#function
+	.global q_atomic_test_and_set_int
+q_atomic_test_and_set_int:
+	cas [%o0],%o1,%o2
+	cmp %o1,%o2
+	clr %o0
+	retl
+	move %icc,1,%o0
+	.size q_atomic_test_and_set_int,.-q_atomic_test_and_set_int
+
+	.align 4
+	.type q_atomic_test_and_set_acquire_int,#function
+	.global q_atomic_test_and_set_acquire_int
+q_atomic_test_and_set_acquire_int:
+	cas [%o0],%o1,%o2
+	cmp %o1,%o2
+	clr %o0
+	membar #LoadLoad | #LoadStore
+	retl
+	move %icc,1,%o0
+	.size q_atomic_test_and_set_acquire_int,.-q_atomic_test_and_set_acquire_int
+
+	.align 4
+	.type q_atomic_test_and_set_release_int,#function
+	.global q_atomic_test_and_set_release_int
+q_atomic_test_and_set_release_int:
+        membar #LoadStore | #StoreStore
+	cas [%o0],%o1,%o2
+	cmp %o1,%o2
+	clr %o0
+	retl
+	move %icc,1,%o0
+	.size q_atomic_test_and_set_release_int,.-q_atomic_test_and_set_release_int
+
+	.align 4
+	.type q_atomic_test_and_set_ptr,#function
+	.global q_atomic_test_and_set_ptr
+q_atomic_test_and_set_ptr:
+	casx [%o0],%o1,%o2
+	cmp %o1,%o2
+	clr %o0
+	retl
+	move %icc,1,%o0
+	.size q_atomic_test_and_set_ptr,.-q_atomic_test_and_set_ptr
+
+	.align 4
+	.type q_atomic_increment,#function
+	.global q_atomic_increment
+q_atomic_increment:
+q_atomic_increment_retry:
+	ld [%o0],%o3
+	add %o3,1,%o4
+	cas [%o0],%o3,%o4
+	cmp %o3,%o4
+	bne q_atomic_increment_retry
+	nop
+	cmp %o4,-1
+	clr %o0
+	retl
+	movne %icc,1,%o0
+	.size q_atomic_increment,.-q_atomic_increment
+
+	.align 4
+	.type q_atomic_decrement,#function
+	.global q_atomic_decrement
+q_atomic_decrement:
+q_atomic_decrement_retry:
+	ld [%o0],%o3
+	add %o3,-1,%o4
+	cas [%o0],%o3,%o4
+	cmp %o3,%o4
+	bne q_atomic_decrement_retry
+	nop
+	cmp %o4,1
+	clr %o0
+	retl
+	movne %icc,1,%o0
+	.size q_atomic_decrement,.-q_atomic_decrement
+
+	.align 4
+	.type q_atomic_set_int,#function
+	.global q_atomic_set_int
+q_atomic_set_int:
+q_atomic_set_int_retry:
+	ld [%o0],%o2
+	cas [%o0],%o2,%o1
+	cmp %o2,%o1
+	bne q_atomic_set_int_retry
+	nop
+	retl
+	mov %o1,%o0
+	.size q_atomic_set_int,.-q_atomic_set_int
+
+	.align 4
+	.type q_atomic_set_ptr,#function
+	.global q_atomic_set_ptr
+q_atomic_set_ptr:
+q_atomic_set_ptr_retry:
+	ldx [%o0],%o2
+	casx [%o0],%o2,%o1
+	cmp %o2,%o1
+	bne q_atomic_set_ptr_retry
+	nop
+	retl
+	mov %o1,%o0
+	.size q_atomic_set_ptr,.-q_atomic_set_ptr
+
+        .align 4
+	.type q_atomic_fetch_and_add_int,#function
+	.global q_atomic_fetch_and_add_int
+q_atomic_fetch_and_add_int:
+q_atomic_fetch_and_add_int_retry:
+	ld [%o0],%o3
+	add %o3,%o1,%o4
+	cas [%o0],%o3,%o4
+	cmp %o3,%o4
+	bne q_atomic_fetch_and_add_int_retry
+	nop
+	retl
+	mov %o3,%o0
+	.size q_atomic_fetch_and_add_int,.-q_atomic_fetch_and_add_int
+
+        .align 4
+	.type q_atomic_fetch_and_add_acquire_int,#function
+	.global q_atomic_fetch_and_add_acquire_int
+q_atomic_fetch_and_add_acquire_int:
+q_atomic_fetch_and_add_acquire_int_retry:
+	ld [%o0],%o3
+	add %o3,%o1,%o4
+	cas [%o0],%o3,%o4
+	cmp %o3,%o4
+	bne q_atomic_fetch_and_add_acquire_int_retry
+	nop
+	membar #LoadLoad | #LoadStore
+	retl
+	mov %o3,%o0
+	.size q_atomic_fetch_and_add_acquire_int,.-q_atomic_fetch_and_add_acquire_int
+
+        .align 4
+	.type q_atomic_fetch_and_add_release_int,#function
+	.global q_atomic_fetch_and_add_release_int
+q_atomic_fetch_and_add_release_int:
+q_atomic_fetch_and_add_release_int_retry:
+	membar #LoadStore | #StoreStore
+	ld [%o0],%o3
+	add %o3,%o1,%o4
+	cas [%o0],%o3,%o4
+	cmp %o3,%o4
+	bne q_atomic_fetch_and_add_release_int_retry
+	nop
+	retl
+	mov %o3,%o0
+	.size q_atomic_fetch_and_add_release_int,.-q_atomic_fetch_and_add_release_int
+
+	.align 4
+	.type q_atomic_fetch_and_store_acquire_int,#function
+	.global q_atomic_fetch_and_store_acquire_int
+q_atomic_fetch_and_store_acquire_int:
+q_atomic_fetch_and_store_acquire_int_retry:
+	ld [%o0],%o2
+	cas [%o0],%o2,%o1
+	cmp %o2,%o1
+	bne q_atomic_fetch_and_store_acquire_int_retry
+	nop
+	membar #LoadLoad | #LoadStore
+	retl
+	mov %o1,%o0
+	.size q_atomic_fetch_and_store_acquire_int,.-q_atomic_fetch_and_store_acquire_int
+
+	.align 4
+	.type q_atomic_fetch_and_store_release_int,#function
+	.global q_atomic_fetch_and_store_release_int
+q_atomic_fetch_and_store_release_int:
+q_atomic_fetch_and_store_release_int_retry:
+	membar #LoadStore | #StoreStore
+	ld [%o0],%o2
+	cas [%o0],%o2,%o1
+	cmp %o2,%o1
+	bne q_atomic_fetch_and_store_release_int_retry
+	nop
+	retl
+	mov %o1,%o0
+	.size q_atomic_fetch_and_store_release_int,.-q_atomic_fetch_and_store_release_int
+
+	.align 4
+	.type q_atomic_test_and_set_acquire_ptr,#function
+	.global q_atomic_test_and_set_acquire_ptr
+q_atomic_test_and_set_acquire_ptr:
+	casx [%o0],%o1,%o2
+	cmp %o1,%o2
+	clr %o0
+	membar #LoadLoad | #LoadStore
+	retl
+	move %icc,1,%o0
+	.size q_atomic_test_and_set_acquire_ptr,.-q_atomic_test_and_set_acquire_ptr
+
+	.align 4
+	.type q_atomic_test_and_set_release_ptr,#function
+	.global q_atomic_test_and_set_release_ptr
+q_atomic_test_and_set_release_ptr:
+        membar #LoadStore | #StoreStore
+	casx [%o0],%o1,%o2
+	cmp %o1,%o2
+	clr %o0
+	retl
+	move %icc,1,%o0
+	.size q_atomic_test_and_set_release_ptr,.-q_atomic_test_and_set_release_ptr
+
+	.align 4
+	.type q_atomic_fetch_and_store_acquire_ptr,#function
+	.global q_atomic_fetch_and_store_acquire_ptr
+q_atomic_fetch_and_store_acquire_ptr:
+q_atomic_fetch_and_store_acquire_ptr_retry:
+	ldx [%o0],%o2
+	casx [%o0],%o2,%o1
+	cmp %o2,%o1
+	bne q_atomic_fetch_and_store_acquire_ptr_retry
+	nop
+	membar #LoadLoad | #LoadStore
+	retl
+	mov %o1,%o0
+	.size q_atomic_fetch_and_store_acquire_ptr,.-q_atomic_fetch_and_store_acquire_ptr
+
+	.align 4
+	.type q_atomic_fetch_and_store_release_ptr,#function
+	.global q_atomic_fetch_and_store_release_ptr
+q_atomic_fetch_and_store_release_ptr:
+q_atomic_fetch_and_store_release_ptr_retry:
+	membar #LoadStore | #StoreStore
+	ldx [%o0],%o2
+	casx [%o0],%o2,%o1
+	cmp %o2,%o1
+	bne q_atomic_fetch_and_store_release_ptr_retry
+	nop
+	retl
+	mov %o1,%o0
+	.size q_atomic_fetch_and_store_release_ptr,.-q_atomic_fetch_and_store_release_ptr
+
+        .align 4
+	.type q_atomic_fetch_and_add_ptr,#function
+	.global q_atomic_fetch_and_add_ptr
+q_atomic_fetch_and_add_ptr:
+q_atomic_fetch_and_add_ptr_retry:
+	ldx [%o0],%o3
+	add %o3,%o1,%o4
+	casx [%o0],%o3,%o4
+	cmp %o3,%o4
+	bne q_atomic_fetch_and_add_ptr_retry
+	nop
+	retl
+	mov %o3,%o0
+	.size q_atomic_fetch_and_add_ptr,.-q_atomic_fetch_and_add_ptr
+
+        .align 4
+	.type q_atomic_fetch_and_add_acquire_ptr,#function
+	.global q_atomic_fetch_and_add_acquire_ptr
+q_atomic_fetch_and_add_acquire_ptr:
+q_atomic_fetch_and_add_acquire_ptr_retry:
+	ldx [%o0],%o3
+	add %o3,%o1,%o4
+	casx [%o0],%o3,%o4
+	cmp %o3,%o4
+	bne q_atomic_fetch_and_add_acquire_ptr_retry
+	nop
+	membar #LoadLoad | #LoadStore
+	retl
+	mov %o3,%o0
+	.size q_atomic_fetch_and_add_acquire_ptr,.-q_atomic_fetch_and_add_acquire_ptr
+
+        .align 4
+	.type q_atomic_fetch_and_add_release_ptr,#function
+	.global q_atomic_fetch_and_add_release_ptr
+q_atomic_fetch_and_add_release_ptr:
+q_atomic_fetch_and_add_release_ptr_retry:
+	membar #LoadStore | #StoreStore
+	ldx [%o0],%o3
+	add %o3,%o1,%o4
+	casx [%o0],%o3,%o4
+	cmp %o3,%o4
+	bne q_atomic_fetch_and_add_release_ptr_retry
+	nop
+	retl
+	mov %o3,%o0
+	.size q_atomic_fetch_and_add_release_ptr,.-q_atomic_fetch_and_add_release_ptr
diff --git a/src/corelib/arch/sparc/qatomic_sparc.cpp b/src/corelib/arch/sparc/qatomic_sparc.cpp
new file mode 100644
index 0000000000..bb411cd1f1
--- /dev/null
+++ b/src/corelib/arch/sparc/qatomic_sparc.cpp
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qatomic.h>
+
+#include <limits.h>
+#include <sched.h>
+
+extern "C" {
+
+int q_atomic_trylock_int(volatile int *addr);
+int q_atomic_trylock_ptr(volatile void *addr);
+
+Q_CORE_EXPORT int q_atomic_lock_int(volatile int *addr)
+{
+    int returnValue = q_atomic_trylock_int(addr);
+
+    if (returnValue == INT_MIN) {
+        do {
+            // spin until we think we can succeed
+            do {
+                sched_yield();
+                returnValue = *addr;
+            } while (returnValue == INT_MIN);
+            
+            // try again
+            returnValue = q_atomic_trylock_int(addr);
+        } while (returnValue == INT_MIN);
+    }
+
+    return returnValue;
+}
+
+Q_CORE_EXPORT int q_atomic_lock_ptr(volatile void *addr)
+{
+    int returnValue = q_atomic_trylock_ptr(addr);
+
+    if (returnValue == -1) {
+        do {
+            // spin until we think we can succeed
+            do {
+                sched_yield();
+                returnValue = *reinterpret_cast<volatile int *>(addr);
+            } while (returnValue == -1);
+
+            // try again
+            returnValue = q_atomic_trylock_ptr(addr);
+        } while (returnValue == -1);
+    }
+
+    return returnValue;
+}
+
+} // extern "C"
diff --git a/src/corelib/arch/windows/arch.pri b/src/corelib/arch/windows/arch.pri
new file mode 100644
index 0000000000..d42374b98f
--- /dev/null
+++ b/src/corelib/arch/windows/arch.pri
@@ -0,0 +1,3 @@
+#
+# Windows architecture
+#
diff --git a/src/corelib/arch/x86_64/arch.pri b/src/corelib/arch/x86_64/arch.pri
new file mode 100644
index 0000000000..4145b7b133
--- /dev/null
+++ b/src/corelib/arch/x86_64/arch.pri
@@ -0,0 +1,4 @@
+#
+# AMD64 architecture
+#
+solaris-cc*:SOURCES += $$QT_ARCH_CPP/qatomic_sun.s
diff --git a/src/corelib/arch/x86_64/qatomic_sun.s b/src/corelib/arch/x86_64/qatomic_sun.s
new file mode 100644
index 0000000000..37969e61cb
--- /dev/null
+++ b/src/corelib/arch/x86_64/qatomic_sun.s
@@ -0,0 +1,91 @@
+        .code64
+
+	.globl q_atomic_increment
+        .type q_atomic_increment,@function
+        .section .text, "ax"
+        .align 16
+q_atomic_increment:
+	lock
+	incl (%rdi)
+	setne %al
+	ret
+	.size q_atomic_increment,.-q_atomic_increment
+
+	.globl q_atomic_decrement
+        .type q_atomic_decrement,@function
+        .section .text, "ax"
+        .align 16
+q_atomic_decrement:
+	lock
+	decl (%rdi)
+	setne %al
+	ret
+	.size q_atomic_decrement,.-q_atomic_decrement
+
+        .globl q_atomic_test_and_set_int
+        .type q_atomic_test_and_set_int, @function
+        .section .text, "ax"
+        .align 16
+q_atomic_test_and_set_int:
+        movl %esi,%eax
+        lock
+        cmpxchgl %edx,(%rdi)
+	movl $0,%eax
+        sete %al
+        ret
+	.size q_atomic_test_and_set_int, . - q_atomic_test_and_set_int
+
+	.globl q_atomic_set_int
+        .type q_atomic_set_int,@function
+        .section .text, "ax"
+        .align 16
+q_atomic_set_int:
+        xchgl %esi,(%rdi)
+	movl %esi,%eax
+	ret
+	.size q_atomic_set_int,.-q_atomic_set_int
+
+        .globl q_atomic_fetch_and_add_int
+        .type q_atomic_fetch_and_add_int,@function
+        .section .text, "ax"
+        .align 16
+q_atomic_fetch_and_add_int:
+        lock
+        xaddl %esi,(%rdi)
+        movl %esi, %eax
+        ret
+        .size q_atomic_fetch_and_add_int,.-q_atomic_fetch_and_add_int
+
+        .globl q_atomic_test_and_set_ptr
+        .type q_atomic_test_and_set_ptr, @function
+        .section .text, "ax"
+        .align 16
+q_atomic_test_and_set_ptr:
+        movq %rsi,%rax
+        lock
+        cmpxchgq %rdx,(%rdi)
+	movq $0, %rax
+        sete %al
+        ret
+        .size q_atomic_test_and_set_ptr, . - q_atomic_test_and_set_ptr
+
+	.globl q_atomic_set_ptr
+        .type q_atomic_set_ptr,@function
+        .section .text, "ax"
+        .align 16
+q_atomic_set_ptr:
+        xchgq %rsi,(%rdi)
+	movq %rsi,%rax
+	ret
+	.size q_atomic_set_ptr,.-q_atomic_set_ptr
+
+        .globl q_atomic_fetch_and_add_ptr
+        .type q_atomic_fetch_and_add_ptr,@function
+        .section .text, "ax"
+        .align 16
+q_atomic_fetch_and_add_ptr:
+        lock
+        xaddq %rsi,(%rdi)
+        movq %rsi,%rax
+        ret
+        .size q_atomic_fetch_and_add_ptr,.-q_atomic_fetch_and_add_ptr
diff --git a/src/corelib/codecs/codecs.pri b/src/corelib/codecs/codecs.pri
new file mode 100644
index 0000000000..2e247e5c5a
--- /dev/null
+++ b/src/corelib/codecs/codecs.pri
@@ -0,0 +1,53 @@
+# Qt core library codecs module
+
+HEADERS += \
+	codecs/qisciicodec_p.h \
+	codecs/qlatincodec_p.h \
+	codecs/qsimplecodec_p.h \
+	codecs/qtextcodec.h \
+	codecs/qtsciicodec_p.h \
+	codecs/qutfcodec_p.h \
+	codecs/qtextcodecplugin.h
+
+SOURCES += \
+	codecs/qisciicodec.cpp \
+	codecs/qlatincodec.cpp \
+	codecs/qsimplecodec.cpp \
+	codecs/qtextcodec.cpp \
+	codecs/qtsciicodec.cpp \
+	codecs/qutfcodec.cpp \
+	codecs/qtextcodecplugin.cpp
+
+unix {
+	SOURCES += codecs/qfontlaocodec.cpp
+
+        contains(QT_CONFIG,iconv) {
+                HEADERS += codecs/qiconvcodec_p.h
+                SOURCES += codecs/qiconvcodec.cpp
+        } else:contains(QT_CONFIG,gnu-libiconv) {
+                HEADERS += codecs/qiconvcodec_p.h
+                SOURCES += codecs/qiconvcodec.cpp
+
+                DEFINES += GNU_LIBICONV
+                !mac:LIBS *= -liconv
+        } else {
+                # no iconv, so we put all plugins in the library
+                HEADERS += \
+                        ../plugins/codecs/cn/qgb18030codec.h \
+                        ../plugins/codecs/jp/qeucjpcodec.h \
+                        ../plugins/codecs/jp/qjiscodec.h \
+                        ../plugins/codecs/jp/qsjiscodec.h \ 
+                        ../plugins/codecs/kr/qeuckrcodec.h \
+                        ../plugins/codecs/tw/qbig5codec.h \
+                        ../plugins/codecs/jp/qfontjpcodec.h
+                SOURCES += \
+                        ../plugins/codecs/cn/qgb18030codec.cpp \
+                        ../plugins/codecs/jp/qjpunicode.cpp \
+                        ../plugins/codecs/jp/qeucjpcodec.cpp \
+                        ../plugins/codecs/jp/qjiscodec.cpp \
+                        ../plugins/codecs/jp/qsjiscodec.cpp \ 
+                        ../plugins/codecs/kr/qeuckrcodec.cpp \
+                        ../plugins/codecs/tw/qbig5codec.cpp \
+                        ../plugins/codecs/jp/qfontjpcodec.cpp
+        }
+}
diff --git a/src/corelib/codecs/qfontlaocodec.cpp b/src/corelib/codecs/qfontlaocodec.cpp
new file mode 100644
index 0000000000..496ac025fa
--- /dev/null
+++ b/src/corelib/codecs/qfontlaocodec.cpp
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfontlaocodec_p.h"
+#include "qlist.h"
+
+#ifndef QT_NO_CODECS
+#ifndef QT_NO_BIG_CODECS
+
+QT_BEGIN_NAMESPACE
+
+static unsigned char const unicode_to_mulelao[256] =
+    {
+        // U+0E80
+        0x00, 0xa1, 0xa2, 0x00, 0xa4, 0x00, 0x00, 0xa7,
+        0xa8, 0x00, 0xaa, 0x00, 0x00, 0xad, 0x00, 0x00,
+        // U+0E90
+        0x00, 0x00, 0x00, 0x00, 0xb4, 0xb5, 0xb6, 0xb7,
+        0x00, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+        // U+0EA0
+        0x00, 0xc1, 0xc2, 0xc3, 0x00, 0xc5, 0x00, 0xc7,
+        0x00, 0x00, 0xca, 0xcb, 0x00, 0xcd, 0xce, 0xcf,
+        // U+0EB0
+        0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
+        0xd8, 0xd9, 0x00, 0xdb, 0xdc, 0xdd, 0x00, 0x00,
+        // U+0EC0
+        0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0x00, 0xe6, 0x00,
+        0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0x00, 0x00,
+        // U+0ED0
+        0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+        0xf8, 0xf9, 0x00, 0x00, 0xfc, 0xfd, 0x00, 0x00,
+        // U+0EE0
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        // U+0EF0
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    };
+
+
+QFontLaoCodec::~QFontLaoCodec()
+{
+}
+
+QByteArray QFontLaoCodec::name() const
+{
+    return "mulelao-1";
+}
+
+int QFontLaoCodec::mibEnum() const
+{
+    return -4242;
+}
+
+QString QFontLaoCodec::convertToUnicode(const char *, int, ConverterState *) const
+{
+    return QString();
+}
+
+QByteArray QFontLaoCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *) const
+{
+    QByteArray rstring;
+    rstring.resize(len);
+    uchar *rdata = (uchar *) rstring.data();
+    const QChar *sdata = uc;
+    int i = 0;
+    for (; i < len; ++i, ++sdata, ++rdata) {
+        if (sdata->unicode() < 0x80) {
+            *rdata = (uchar) sdata->unicode();
+        } else if (sdata->unicode() >= 0x0e80 && sdata->unicode() <= 0x0eff) {
+            uchar lao = unicode_to_mulelao[sdata->unicode() - 0x0e80];
+            if (lao)
+                *rdata = lao;
+            else
+                *rdata = 0;
+        } else {
+            *rdata = 0;
+        }
+    }
+    return rstring;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_BIG_CODECS
+#endif // QT_NO_CODECS
diff --git a/src/corelib/codecs/qfontlaocodec_p.h b/src/corelib/codecs/qfontlaocodec_p.h
new file mode 100644
index 0000000000..a8e142da84
--- /dev/null
+++ b/src/corelib/codecs/qfontlaocodec_p.h
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFONTLAOCODEC_P_H
+#define QFONTLAOCODEC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qfontencodings_x11.cpp and qfont_x11.cpp.  This header file may
+// change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qtextcodec.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_CODECS
+
+class Q_CORE_EXPORT QFontLaoCodec : public QTextCodec
+{
+public:
+    ~QFontLaoCodec();
+
+    QByteArray name() const;
+    int mibEnum() const;
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+};
+
+#endif // QT_NO_CODECS
+
+QT_END_NAMESPACE
+
+#endif // QFONTLAOCODEC_P_H
diff --git a/src/corelib/codecs/qiconvcodec.cpp b/src/corelib/codecs/qiconvcodec.cpp
new file mode 100644
index 0000000000..c8f28d9c76
--- /dev/null
+++ b/src/corelib/codecs/qiconvcodec.cpp
@@ -0,0 +1,536 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qiconvcodec_p.h"
+#include "qtextcodec_p.h"
+#include <qlibrary.h>
+#include <qdebug.h>
+#include <qthreadstorage.h>
+
+#include <errno.h>
+#include <locale.h>
+#include <stdio.h>
+#include <dlfcn.h>
+
+// unistd.h is needed for the _XOPEN_UNIX macro
+#include <unistd.h>
+#if defined(_XOPEN_UNIX) && !defined(Q_OS_QNX6) && !defined(Q_OS_OSF)
+#  include <langinfo.h>
+#endif
+
+#if defined(Q_OS_HPUX)
+#  define NO_BOM
+#  define UTF16 "ucs2"
+#elif defined(Q_OS_AIX)
+#  define NO_BOM
+#  define UTF16 "UCS-2"
+#elif defined(Q_OS_MAC)
+#  define NO_BOM
+#  if Q_BYTE_ORDER == Q_BIG_ENDIAN
+#    define UTF16 "UTF-16BE"
+#  else
+#    define UTF16 "UTF-16LE"
+#  endif
+#else
+#  define UTF16 "UTF-16"
+#endif
+
+#if defined(Q_OS_MAC)
+#ifndef GNU_LIBICONV
+#define GNU_LIBICONV
+#endif
+typedef iconv_t (*Ptr_iconv_open) (const char*, const char*);
+typedef size_t (*Ptr_iconv) (iconv_t, const char **, size_t *, char **, size_t *);
+typedef int (*Ptr_iconv_close) (iconv_t);
+
+static Ptr_iconv_open ptr_iconv_open = 0;
+static Ptr_iconv ptr_iconv = 0;
+static Ptr_iconv_close ptr_iconv_close = 0;
+#endif
+
+QT_BEGIN_NAMESPACE
+
+extern bool qt_locale_initialized;
+
+QIconvCodec::QIconvCodec()
+    : utf16Codec(0)
+{
+    utf16Codec = QTextCodec::codecForMib(1015);
+    Q_ASSERT_X(utf16Codec != 0,
+               "QIconvCodec::convertToUnicode",
+               "internal error, UTF-16 codec not found");
+    if (!utf16Codec) {
+        fprintf(stderr, "QIconvCodec::convertToUnicode: internal error, UTF-16 codec not found\n");
+        utf16Codec = reinterpret_cast<QTextCodec *>(~0);
+    }
+#if defined(Q_OS_MAC)
+    if (ptr_iconv_open == 0) {
+        QLibrary libiconv(QLatin1String("/usr/lib/libiconv"));
+        libiconv.setLoadHints(QLibrary::ExportExternalSymbolsHint);
+
+        ptr_iconv_open = reinterpret_cast<Ptr_iconv_open>(libiconv.resolve("libiconv_open"));
+        if (!ptr_iconv_open)
+            ptr_iconv_open = reinterpret_cast<Ptr_iconv_open>(libiconv.resolve("iconv_open"));
+        ptr_iconv = reinterpret_cast<Ptr_iconv>(libiconv.resolve("libiconv"));
+        if (!ptr_iconv)
+            ptr_iconv = reinterpret_cast<Ptr_iconv>(libiconv.resolve("iconv"));
+        ptr_iconv_close = reinterpret_cast<Ptr_iconv_close>(libiconv.resolve("libiconv_close"));
+        if (!ptr_iconv_close)
+            ptr_iconv_close = reinterpret_cast<Ptr_iconv_close>(libiconv.resolve("iconv_close"));
+
+        Q_ASSERT_X(ptr_iconv_open && ptr_iconv && ptr_iconv_close,
+        "QIconvCodec::QIconvCodec()",
+        "internal error, could not resolve the iconv functions");
+
+#       undef iconv_open
+#       define iconv_open ptr_iconv_open
+#       undef iconv
+#       define iconv ptr_iconv
+#       undef iconv_close
+#       define iconv_close ptr_iconv_close
+    }
+#endif
+}
+
+QIconvCodec::~QIconvCodec()
+{
+}
+
+QIconvCodec::IconvState::IconvState(iconv_t x)
+    : buffer(array), bufferLen(sizeof array), cd(x)
+{
+}
+
+QIconvCodec::IconvState::~IconvState()
+{
+    if (cd != reinterpret_cast<iconv_t>(-1))
+        iconv_close(cd);
+    if (buffer != array)
+        delete[] buffer;
+}
+
+void QIconvCodec::IconvState::saveChars(const char *c, int count)
+{
+    if (count > bufferLen) {
+        if (buffer != array)
+            delete[] buffer;
+        buffer = new char[bufferLen = count];
+    }
+
+    memcpy(buffer, c, count);
+}
+
+static void qIconvCodecStateFree(QTextCodec::ConverterState *state)
+{
+    delete reinterpret_cast<QIconvCodec::IconvState *>(state->d);
+}
+
+Q_GLOBAL_STATIC(QThreadStorage<QIconvCodec::IconvState *>, toUnicodeState)
+
+QString QIconvCodec::convertToUnicode(const char* chars, int len, ConverterState *convState) const
+{
+    if (utf16Codec == reinterpret_cast<QTextCodec *>(~0))
+        return QString::fromAscii(chars, len);
+
+    int invalidCount = 0;
+    int remainingCount = 0;
+    char *remainingBuffer = 0;
+    IconvState **pstate;
+
+    if (convState) {
+        // stateful conversion
+        pstate = reinterpret_cast<IconvState **>(&convState->d);
+        if (convState->d) {
+            // restore state
+            remainingCount = convState->remainingChars;
+            remainingBuffer = (*pstate)->buffer;
+        } else {
+            // first time
+            convState->flags |= FreeFunction;
+            QTextCodecUnalignedPointer::encode(convState->state_data, qIconvCodecStateFree);
+        }
+    } else {
+        QThreadStorage<QIconvCodec::IconvState *> *ts = toUnicodeState();
+        if (!qt_locale_initialized || !ts) {
+            // we're running after the Q_GLOBAL_STATIC has been deleted
+            // or before the QCoreApplication initialization
+            // bad programmer, no cookie for you
+            return QString::fromLatin1(chars, len);
+        }
+
+        // stateless conversion -- use thread-local data
+        pstate = &toUnicodeState()->localData();
+    }
+
+    if (!*pstate) {
+        // first time, create the state
+        iconv_t cd = QIconvCodec::createIconv_t(UTF16, 0);
+        if (cd == reinterpret_cast<iconv_t>(-1)) {
+            static int reported = 0;
+            if (!reported++) {
+                fprintf(stderr,
+                        "QIconvCodec::convertToUnicode: using ASCII for conversion, iconv_open failed\n");
+            }
+            return QString::fromAscii(chars, len);
+        }
+
+        *pstate = new IconvState(cd);
+    }
+
+    IconvState *state = *pstate;
+    size_t inBytesLeft = len;
+    // best case assumption, each byte is converted into one UTF-16 character, plus 2 bytes for the BOM
+#ifdef GNU_LIBICONV
+    // GNU doesn't disagree with POSIX :/
+    const char *inBytes = chars;
+#else
+    char *inBytes = const_cast<char *>(chars);
+#endif
+
+    QByteArray in;
+    if (remainingCount) {
+        // we have to prepend the remaining bytes from the previous conversion
+        inBytesLeft += remainingCount;
+        in.resize(inBytesLeft);
+        inBytes = in.data();
+
+        memcpy(in.data(), remainingBuffer, remainingCount);
+        memcpy(in.data() + remainingCount, chars, len);
+
+        remainingCount = 0;
+    }
+
+    QByteArray ba;
+    size_t outBytesLeft = len * 2 + 2;
+    ba.resize(outBytesLeft);
+    char *outBytes = ba.data();
+    do {
+        size_t ret = iconv(state->cd, &inBytes, &inBytesLeft, &outBytes, &outBytesLeft);
+        if (ret == (size_t) -1) {
+            if (errno == E2BIG) {
+                int offset = ba.size() - outBytesLeft;
+                ba.resize(ba.size() * 2);
+                outBytes = ba.data() + offset;
+                outBytesLeft = ba.size() - offset;
+
+                continue;
+            }
+
+            if (errno == EILSEQ) {
+                // conversion stopped because of an invalid character in the sequence
+                ++invalidCount;
+            } else if (errno == EINVAL && convState) {
+                // conversion stopped because the remaining inBytesLeft make up
+                // an incomplete multi-byte sequence; save them for later
+                state->saveChars(inBytes, inBytesLeft);
+                remainingCount = inBytesLeft;
+                break;
+            }
+
+            if (errno == EILSEQ || errno == EINVAL) {
+                // skip the next character
+                ++inBytes;
+                --inBytesLeft;
+                continue;
+            }
+
+            // some other error
+            // note, cannot use qWarning() since we are implementing the codecForLocale :)
+            perror("QIconvCodec::convertToUnicode: using ASCII for conversion, iconv failed");
+
+            if (!convState) {
+                // reset state
+                iconv(state->cd, 0, &inBytesLeft, 0, &outBytesLeft);
+            }
+
+            return QString::fromAscii(chars, len);
+        }
+    } while (inBytesLeft != 0);
+
+    QString s = utf16Codec->toUnicode(ba.constData(), ba.size() - outBytesLeft);
+
+    if (convState) {
+        convState->invalidChars = invalidCount;
+        convState->remainingChars = remainingCount;
+    } else {
+        // reset state
+        iconv(state->cd, 0, &inBytesLeft, 0, &outBytesLeft);
+    }
+
+    return s;
+}
+
+Q_GLOBAL_STATIC(QThreadStorage<QIconvCodec::IconvState *>, fromUnicodeState)
+
+QByteArray QIconvCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *convState) const
+{
+    char *inBytes;
+    char *outBytes;
+    size_t inBytesLeft;
+
+#if defined(GNU_LIBICONV)
+    const char **inBytesPtr = const_cast<const char **>(&inBytes);
+#else
+    char **inBytesPtr = &inBytes;
+#endif
+
+    QThreadStorage<QIconvCodec::IconvState *> *ts = fromUnicodeState();
+    if (!qt_locale_initialized || !ts) {
+        // we're running after the Q_GLOBAL_STATIC has been deleted
+        // or before the QCoreApplication initialization
+        // bad programmer, no cookie for you
+        if (!len)
+            // this is a special case - zero-sized string should be
+            // translated to empty but not-null QByteArray.
+            return QByteArray("");
+        return QString::fromRawData(uc, len).toLatin1();
+    }
+    IconvState *&state = ts->localData();
+    if (!state) {
+        state = new IconvState(QIconvCodec::createIconv_t(0, UTF16));
+        if (state->cd != reinterpret_cast<iconv_t>(-1)) {
+            size_t outBytesLeft = len + 3; // +3 for the BOM
+            QByteArray ba;
+            ba.resize(outBytesLeft);
+            outBytes = ba.data();
+
+#if !defined(NO_BOM)
+            // give iconv() a BOM
+            QChar bom[] = { QChar(QChar::ByteOrderMark) };
+            inBytes = reinterpret_cast<char *>(bom);
+            inBytesLeft = sizeof(bom);
+            if (iconv(state->cd, inBytesPtr, &inBytesLeft, &outBytes, &outBytesLeft) == (size_t) -1) {
+                perror("QIconvCodec::convertFromUnicode: using ASCII for conversion, iconv failed for BOM");
+
+                iconv_close(state->cd);
+                state->cd = reinterpret_cast<iconv_t>(-1);
+
+                return QString(uc, len).toAscii();
+            }
+#endif // NO_BOM
+        }
+    }
+    if (state->cd == reinterpret_cast<iconv_t>(-1)) {
+        static int reported = 0;
+        if (!reported++) {
+            fprintf(stderr,
+                    "QIconvCodec::convertFromUnicode: using ASCII for conversion, iconv_open failed\n");
+        }
+        return QString(uc, len).toAscii();
+    }
+ 
+    size_t outBytesLeft = len;
+    QByteArray ba;
+    ba.resize(outBytesLeft);
+    outBytes = ba.data();
+
+    // now feed iconv() the real data
+    inBytes = const_cast<char *>(reinterpret_cast<const char *>(uc));
+    inBytesLeft = len * sizeof(QChar);
+
+    QByteArray in;
+    if (convState && convState->remainingChars) {
+        // we have one surrogate char to be prepended
+        in.resize(sizeof(QChar) + len);
+        inBytes = in.data();
+
+        QChar remaining = convState->state_data[0];
+        memcpy(in.data(), &remaining, sizeof(QChar));
+        memcpy(in.data() + sizeof(QChar), uc, inBytesLeft);
+
+        inBytesLeft += sizeof(QChar);
+        convState->remainingChars = 0;
+    }
+
+    int invalidCount = 0;
+    do {
+        if (iconv(state->cd, inBytesPtr, &inBytesLeft, &outBytes, &outBytesLeft) == (size_t) -1) {
+            if (errno == EINVAL && convState) {
+                // buffer ends in a surrogate
+                Q_ASSERT(inBytesLeft == 2);
+                convState->remainingChars = 1;
+                convState->state_data[0] = uc[len - 1].unicode();
+                break;
+            }
+
+            switch (errno) {
+            case EILSEQ:
+                ++invalidCount;
+                // fall through
+            case EINVAL:
+                {
+                    inBytes += sizeof(QChar);
+                    inBytesLeft -= sizeof(QChar);
+                    break;
+                }
+            case E2BIG:
+                {
+                    int offset = ba.size() - outBytesLeft;
+                    ba.resize(ba.size() * 2);
+                    outBytes = ba.data() + offset;
+                    outBytesLeft = ba.size() - offset;
+                    break;
+                }
+            default:
+                {
+                    // note, cannot use qWarning() since we are implementing the codecForLocale :)
+                    perror("QIconvCodec::convertFromUnicode: using ASCII for conversion, iconv failed");
+
+                    // reset to initial state
+                    iconv(state->cd, 0, &inBytesLeft, 0, &outBytesLeft);
+
+                    return QString(uc, len).toAscii();
+                }
+            }
+        }
+    } while (inBytesLeft != 0);
+
+    // reset to initial state
+    iconv(state->cd, 0, &inBytesLeft, 0, &outBytesLeft);
+
+    ba.resize(ba.size() - outBytesLeft);
+
+    if (convState)
+        convState->invalidChars = invalidCount;
+
+    return ba;
+}
+
+QByteArray QIconvCodec::name() const
+{
+    return "System";
+}
+
+int QIconvCodec::mibEnum() const
+{
+    return 0;
+}
+
+iconv_t QIconvCodec::createIconv_t(const char *to, const char *from)
+{
+    Q_ASSERT((to == 0 && from != 0) || (to != 0 && from == 0));
+
+    iconv_t cd = (iconv_t) -1;
+#if defined(__GLIBC__) || defined(GNU_LIBICONV)
+    // both GLIBC and libgnuiconv will use the locale's encoding if from or to is an empty string
+    static const char empty_codeset[] = "";
+    const char *codeset = empty_codeset;
+    cd = iconv_open(to ? to : codeset, from ? from : codeset);
+#else
+    char *codeset = 0;
+#endif
+
+#if defined(_XOPEN_UNIX) && !defined(Q_OS_QNX6) && !defined(Q_OS_OSF)
+    if (cd == (iconv_t) -1) {
+        codeset = nl_langinfo(CODESET);
+        if (codeset)
+            cd = iconv_open(to ? to : codeset, from ? from : codeset);
+    }
+#endif
+
+    if (cd == (iconv_t) -1) {
+        // Very poorly defined and followed standards causes lots of
+        // code to try to get all the cases... This logic is
+        // duplicated in QTextCodec, so if you change it here, change
+        // it there too.
+
+        // Try to determine locale codeset from locale name assigned to
+        // LC_CTYPE category.
+
+        // First part is getting that locale name.  First try setlocale() which
+        // definitely knows it, but since we cannot fully trust it, get ready
+        // to fall back to environment variables.
+        char * ctype = qstrdup(setlocale(LC_CTYPE, 0));
+
+        // Get the first nonempty value from $LC_ALL, $LC_CTYPE, and $LANG
+        // environment variables.
+        char * lang = qstrdup(qgetenv("LC_ALL").constData());
+        if (!lang || lang[0] == 0 || strcmp(lang, "C") == 0) {
+            if (lang) delete [] lang;
+            lang = qstrdup(qgetenv("LC_CTYPE").constData());
+        }
+        if (!lang || lang[0] == 0 || strcmp(lang, "C") == 0) {
+            if (lang) delete [] lang;
+            lang = qstrdup(qgetenv("LANG").constData());
+        }
+
+        // Now try these in order:
+        // 1. CODESET from ctype if it contains a .CODESET part (e.g. en_US.ISO8859-15)
+        // 2. CODESET from lang if it contains a .CODESET part
+        // 3. ctype (maybe the locale is named "ISO-8859-1" or something)
+        // 4. locale (ditto)
+        // 5. check for "@euro"
+
+        // 1. CODESET from ctype if it contains a .CODESET part (e.g. en_US.ISO8859-15)
+        codeset = ctype ? strchr(ctype, '.') : 0;
+        if (codeset && *codeset == '.') {
+            ++codeset;
+            cd = iconv_open(to ? to : codeset, from ? from : codeset);
+        }
+
+        // 2. CODESET from lang if it contains a .CODESET part
+        codeset = lang ? strchr(lang, '.') : 0;
+        if (cd == (iconv_t) -1 && codeset && *codeset == '.') {
+            ++codeset;
+            cd = iconv_open(to ? to : codeset, from ? from : codeset);
+        }
+
+        // 3. ctype (maybe the locale is named "ISO-8859-1" or something)
+        if (cd == (iconv_t) -1 && ctype && *ctype != 0 && strcmp (ctype, "C") != 0)
+            cd = iconv_open(to ? to : ctype, from ? from : ctype);
+
+
+        // 4. locale (ditto)
+        if (cd == (iconv_t) -1 && lang && *lang != 0)
+            cd = iconv_open(to ? to : lang, from ? from : lang);
+
+        // 5. "@euro"
+        if ((cd == (iconv_t) -1 && ctype && strstr(ctype, "@euro")) || (lang && strstr(lang, "@euro")))
+            cd = iconv_open(to ? to : "ISO8859-15", from ? from : "ISO8859-15");
+
+        delete [] ctype;
+        delete [] lang;
+    }
+
+    return cd;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/codecs/qiconvcodec_p.h b/src/corelib/codecs/qiconvcodec_p.h
new file mode 100644
index 0000000000..839bee7380
--- /dev/null
+++ b/src/corelib/codecs/qiconvcodec_p.h
@@ -0,0 +1,104 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QICONVCODEC_P_H
+#define QICONVCODEC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qtextcodec.h"
+
+#if defined(Q_OS_UNIX) && !defined(QT_NO_ICONV) && !defined(QT_BOOTSTRAPPED)
+
+#ifdef Q_OS_MAC
+typedef void * iconv_t;
+#else
+#include <iconv.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QIconvCodec: public QTextCodec
+{
+private:
+    mutable QTextCodec *utf16Codec;
+
+public:
+    QIconvCodec();
+    ~QIconvCodec();
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+
+    QByteArray name() const;
+    int mibEnum() const;
+
+    static iconv_t createIconv_t(const char *to, const char *from);
+
+    class IconvState
+    {
+    public:
+        IconvState(iconv_t x);
+        ~IconvState();
+        char *buffer;
+        int bufferLen;
+        iconv_t cd;
+
+        char array[8];
+
+        void saveChars(const char *c, int count);
+    };
+};
+
+QT_END_NAMESPACE
+
+#endif // Q_OS_UNIX && !QT_NO_ICONV && !QT_BOOTSTRAPPED
+
+#endif // QICONVCODEC_P_H
diff --git a/src/corelib/codecs/qisciicodec.cpp b/src/corelib/codecs/qisciicodec.cpp
new file mode 100644
index 0000000000..dd2bc8d38a
--- /dev/null
+++ b/src/corelib/codecs/qisciicodec.cpp
@@ -0,0 +1,288 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qisciicodec_p.h"
+#include "qlist.h"
+
+#ifndef QT_NO_CODECS
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QIsciiCodec
+    \brief The QIsciiCodec class provides conversion to and from the ISCII encoding.
+
+    \internal
+*/
+
+
+struct Codecs {
+    const char *name;
+    ushort base;
+};
+
+static const Codecs codecs [] = {
+    { "Iscii-Dev", 0x900 },
+    { "Iscii-Bng", 0x980 },
+    { "Iscii-Pnj", 0xa00 },
+    { "Iscii-Gjr", 0xa80 },
+    { "Iscii-Ori", 0xb00 },
+    { "Iscii-Tml", 0xb80 },
+    { "Iscii-Tlg", 0xc00 },
+    { "Iscii-Knd", 0xc80 },
+    { "Iscii-Mlm", 0xd00 }
+};
+
+QIsciiCodec::~QIsciiCodec()
+{
+}
+
+QByteArray QIsciiCodec::name() const
+{
+  return codecs[idx].name;
+}
+
+int QIsciiCodec::mibEnum() const
+{
+    /* There is no MIBEnum for Iscii */
+    return -3000-idx;
+}
+
+static const uchar inv = 0xFF;
+
+/* iscii range from 0xa0 - 0xff */
+static const uchar iscii_to_uni_table[0x60] = {
+    0x00, 0x01, 0x02, 0x03,
+    0x05, 0x06, 0x07, 0x08,
+    0x09, 0x0a, 0x0b, 0x0e,
+    0x0f, 0x20, 0x0d, 0x12,
+
+    0x13, 0x14, 0x11, 0x15,
+    0x16, 0x17, 0x18, 0x19,
+    0x1a, 0x1b, 0x1c, 0x1d,
+    0x1e, 0x1f, 0x20, 0x21,
+
+    0x22, 0x23, 0x24, 0x25,
+    0x26, 0x27, 0x28, 0x29,
+    0x2a, 0x2b, 0x2c, 0x2d,
+    0x2e, 0x2f, 0x5f, 0x30,
+
+    0x31, 0x32, 0x33, 0x34,
+    0x35, 0x36, 0x37, 0x38,
+    0x39,  inv, 0x3e, 0x3f,
+    0x40, 0x41, 0x42, 0x43,
+
+    0x46, 0x47, 0x48, 0x45,
+    0x4a, 0x4b, 0x4c, 0x49,
+    0x4d, 0x3c, 0x64, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+
+    0x00, 0x66, 0x67, 0x68,
+    0x69, 0x6a, 0x6b, 0x6c,
+    0x6d, 0x6e, 0x6f, 0x00,
+    0x00, 0x00, 0x00, 0x00
+};
+
+static const uchar uni_to_iscii_table[0x80] = {
+    0x00, 0xa1, 0xa2, 0xa3,
+    0x00, 0xa4, 0xa5, 0xa6,
+    0xa7, 0xa8, 0xa9, 0xaa,
+    0x00, 0xae, 0xab, 0xac,
+
+    0xad, 0xb2, 0xaf, 0xb0,
+    0xb1, 0xb3, 0xb4, 0xb5,
+    0xb6, 0xb7, 0xb8, 0xb9,
+    0xba, 0xbb, 0xbc, 0xbd,
+
+    0xbe, 0xbf, 0xc0, 0xc1,
+    0xc2, 0xc3, 0xc4, 0xc5,
+    0xc6, 0xc7, 0xc8, 0xc9,
+    0xca, 0xcb, 0xcc, 0xcd,
+
+    0xcf, 0xd0, 0xd1, 0xd2,
+    0xd3, 0xd4, 0xd5, 0xd6,
+    0xd7, 0xd8, 0x00, 0x00,
+    0xe9, 0x00, 0xda, 0xdb,
+
+    0xdc, 0xdd, 0xde, 0xdf,
+    0x00, 0xe3, 0xe0, 0xe1,
+    0xe2, 0xe7, 0xe4, 0xe5,
+    0xe6, 0xe8, 0x00, 0x00,
+
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x01, 0x02, 0x03, 0x04, // decomposable into the uc codes listed here + nukta
+    0x05, 0x06, 0x07, 0xce,
+
+    0x00, 0x00, 0x00, 0x00,
+    0xea, 0x08, 0xf1, 0xf2,
+    0xf3, 0xf4, 0xf5, 0xf6,
+    0xf7, 0xf8, 0xf9, 0xfa,
+
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00
+};
+
+static const uchar uni_to_iscii_pairs[] = {
+    0x00, 0x00,
+    0x15, 0x3c, // 0x958
+    0x16, 0x3c, // 0x959
+    0x17, 0x3c, // 0x95a
+    0x1c, 0x3c, // 0x95b
+    0x21, 0x3c, // 0x95c
+    0x22, 0x3c, // 0x95d
+    0x2b, 0x3c, // 0x95e
+    0x64, 0x64  // 0x965
+};
+
+
+QByteArray QIsciiCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+{
+    char replacement = '?';
+    bool halant = false;
+    if (state) {
+        if (state->flags & ConvertInvalidToNull)
+            replacement = 0;
+        halant = state->state_data[0];
+    }
+    int invalid = 0;
+
+    QByteArray result;
+    result.resize(2*len); //worst case
+
+    uchar *ch = reinterpret_cast<uchar *>(result.data());
+
+    const int base = codecs[idx].base;
+
+    for (int i =0; i < len; ++i) {
+        const ushort codePoint = uc[i].unicode();
+
+        /* The low 7 bits of ISCII is plain ASCII. However, we go all the
+         * way up to 0xA0 such that we can roundtrip with convertToUnicode()'s
+         * behavior. */
+        if(codePoint < 0xA0) {
+            *ch++ = static_cast<uchar>(codePoint);
+            continue;
+        }
+
+        const int pos = codePoint - base;
+        if (pos > 0 && pos < 0x80) {
+            uchar iscii = uni_to_iscii_table[pos];
+            if (iscii > 0x80) {
+                *ch++ = iscii;
+            } else if (iscii) {
+                const uchar *pair = uni_to_iscii_pairs + 2*iscii;
+                *ch++ = *pair++;
+                *ch++ = *pair++;
+            } else {
+                *ch++ = replacement;
+                ++invalid;
+            }
+        } else {
+            if (uc[i].unicode() == 0x200c) { // ZWNJ
+                if (halant)
+                    // Consonant Halant ZWNJ -> Consonant Halant Halant
+                    *ch++ = 0xe8;
+            } else if (uc[i].unicode() == 0x200d) { // ZWJ
+                if (halant)
+                    // Consonant Halant ZWJ -> Consonant Halant Nukta
+                    *ch++ = 0xe9;
+            } else {
+                *ch++ = replacement;
+                ++invalid;
+            }
+        }
+        halant = (pos == 0x4d);
+    }
+    result.truncate(ch - (uchar *)result.data());
+
+    if (state) {
+        state->invalidChars += invalid;
+        state->state_data[0] = halant;
+    }
+    return result;
+}
+
+QString QIsciiCodec::convertToUnicode(const char* chars, int len, ConverterState *state) const
+{
+    bool halant = false;
+    if (state) {
+        halant = state->state_data[0];
+    }
+
+    QString result;
+    result.resize(len);
+    QChar *uc = result.data();
+
+    const int base = codecs[idx].base;
+
+    for (int i = 0; i < len; ++i) {
+        ushort ch = (uchar) chars[i];
+        if (ch < 0xa0)
+            *uc++ = ch;
+        else {
+            ushort c = iscii_to_uni_table[ch - 0xa0];
+            if (halant && (c == inv || c == 0xe9)) {
+                // Consonant Halant inv -> Consonant Halant ZWJ
+                // Consonant Halant Nukta -> Consonant Halant ZWJ
+                *uc++ = QChar(0x200d);
+            } else if (halant && c == 0xe8) {
+                // Consonant Halant Halant -> Consonant Halant ZWNJ
+                *uc++ = QChar(0x200c);
+            } else {
+                *uc++ = QChar(c+base);
+            }
+        }
+        halant = ((uchar)chars[i] == 0xe8);
+    }
+    result.resize(uc - result.unicode());
+
+    if (state) {
+        state->state_data[0] = halant;
+    }
+    return result;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CODECS
diff --git a/src/corelib/codecs/qisciicodec_p.h b/src/corelib/codecs/qisciicodec_p.h
new file mode 100644
index 0000000000..0477ca6707
--- /dev/null
+++ b/src/corelib/codecs/qisciicodec_p.h
@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QISCIICODEC_P_H
+#define QISCIICODEC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qtextcodec.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_CODECS
+
+class QIsciiCodec : public QTextCodec {
+public:
+    explicit QIsciiCodec(int i) : idx(i) {}
+    ~QIsciiCodec();
+
+    QByteArray name() const;
+    int mibEnum() const;
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+
+private:
+    int idx;
+};
+
+#endif // QT_NO_CODECS
+
+QT_END_NAMESPACE
+
+#endif // QISCIICODEC_P_H
diff --git a/src/corelib/codecs/qlatincodec.cpp b/src/corelib/codecs/qlatincodec.cpp
new file mode 100644
index 0000000000..aae436e7e0
--- /dev/null
+++ b/src/corelib/codecs/qlatincodec.cpp
@@ -0,0 +1,246 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qlatincodec_p.h"
+#include "qlist.h"
+
+#ifndef QT_NO_TEXTCODEC
+
+QT_BEGIN_NAMESPACE
+
+QLatin1Codec::~QLatin1Codec()
+{
+}
+
+QString QLatin1Codec::convertToUnicode(const char *chars, int len, ConverterState *) const
+{
+    if (chars == 0)
+        return QString();
+
+    return QString::fromLatin1(chars, len);
+}
+
+
+QByteArray QLatin1Codec::convertFromUnicode(const QChar *ch, int len, ConverterState *state) const
+{
+    const char replacement = (state && state->flags & ConvertInvalidToNull) ? 0 : '?';
+    QByteArray r;
+    r.resize(len);
+    char *d = r.data();
+    int invalid = 0;
+    for (int i = 0; i < len; ++i) {
+        if (ch[i] > 0xff) {
+            d[i] = replacement;
+            ++invalid;
+        } else {
+            d[i] = (char)ch[i].cell();
+        }
+    }
+    if (state) {
+        state->invalidChars += invalid;
+    }
+    return r;
+}
+
+QByteArray QLatin1Codec::name() const
+{
+    return "ISO-8859-1";
+}
+
+QList<QByteArray> QLatin1Codec::aliases() const
+{
+    QList<QByteArray> list;
+    list << "latin1"
+         << "CP819"
+         << "IBM819"
+         << "iso-ir-100"
+         << "csISOLatin1";
+    return list;
+}
+
+
+int QLatin1Codec::mibEnum() const
+{
+    return 4;
+}
+
+
+QLatin15Codec::~QLatin15Codec()
+{
+}
+
+QString QLatin15Codec::convertToUnicode(const char* chars, int len, ConverterState *) const
+{
+    if (chars == 0)
+        return QString();
+
+    QString str = QString::fromLatin1(chars, len);
+    QChar *uc = str.data();
+    while(len--) {
+        switch(uc->unicode()) {
+            case 0xa4:
+                *uc = 0x20ac;
+                break;
+            case 0xa6:
+                *uc = 0x0160;
+                break;
+            case 0xa8:
+                *uc = 0x0161;
+                break;
+            case 0xb4:
+                *uc = 0x017d;
+                break;
+            case 0xb8:
+                *uc = 0x017e;
+                break;
+            case 0xbc:
+                *uc = 0x0152;
+                break;
+            case 0xbd:
+                *uc = 0x0153;
+                break;
+            case 0xbe:
+                *uc = 0x0178;
+                break;
+            default:
+                break;
+        }
+        uc++;
+    }
+    return str;
+}
+
+QByteArray QLatin15Codec::convertFromUnicode(const QChar *in, int length, ConverterState *state) const
+{
+    const char replacement = (state && state->flags & ConvertInvalidToNull) ? 0 : '?';
+    QByteArray r;
+    r.resize(length);
+    char *d = r.data();
+    int invalid = 0;
+    for (int i = 0; i < length; ++i) {
+        uchar c;
+        ushort uc = in[i].unicode();
+        if (uc < 0x0100) {
+            if (uc > 0xa3) {
+                switch(uc) {
+                case 0xa4:
+                case 0xa6:
+                case 0xa8:
+                case 0xb4:
+                case 0xb8:
+                case 0xbc:
+                case 0xbd:
+                case 0xbe:
+                    c = replacement;
+                    ++invalid;
+                    break;
+                default:
+                    c = (unsigned char) uc;
+                    break;
+                }
+            } else {
+                c = (unsigned char) uc;
+            }
+        } else {
+            if (uc == 0x20ac)
+                c = 0xa4;
+            else if ((uc & 0xff00) == 0x0100) {
+                switch(uc) {
+                case 0x0160:
+                    c = 0xa6;
+                    break;
+                case 0x0161:
+                    c = 0xa8;
+                    break;
+                case 0x017d:
+                    c = 0xb4;
+                    break;
+                case 0x017e:
+                    c = 0xb8;
+                    break;
+                case 0x0152:
+                    c = 0xbc;
+                    break;
+                case 0x0153:
+                    c = 0xbd;
+                    break;
+                case 0x0178:
+                    c = 0xbe;
+                    break;
+                default:
+                    c = replacement;
+                    ++invalid;
+                }
+            } else {
+                c = replacement;
+                ++invalid;
+            }
+        }
+        d[i] = (char)c;
+    }
+    if (state) {
+        state->remainingChars = 0;
+        state->invalidChars += invalid;
+    }
+    return r;
+}
+
+
+QByteArray QLatin15Codec::name() const
+{
+    return "ISO-8859-15";
+}
+
+QList<QByteArray> QLatin15Codec::aliases() const
+{
+    QList<QByteArray> list;
+    list << "latin9";
+    return list;
+}
+
+int QLatin15Codec::mibEnum() const
+{
+    return 111;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_TEXTCODEC
diff --git a/src/corelib/codecs/qlatincodec_p.h b/src/corelib/codecs/qlatincodec_p.h
new file mode 100644
index 0000000000..676647a8d5
--- /dev/null
+++ b/src/corelib/codecs/qlatincodec_p.h
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLATINCODEC_P_H
+#define QLATINCODEC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qtextcodec.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_TEXTCODEC
+
+class QLatin1Codec : public QTextCodec
+{
+public:
+    ~QLatin1Codec();
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+};
+
+
+
+class QLatin15Codec: public QTextCodec
+{
+public:
+    ~QLatin15Codec();
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+};
+
+#endif // QT_NO_TEXTCODEC
+
+QT_END_NAMESPACE
+
+#endif // QLATINCODEC_P_H
diff --git a/src/corelib/codecs/qsimplecodec.cpp b/src/corelib/codecs/qsimplecodec.cpp
new file mode 100644
index 0000000000..0184a5a24a
--- /dev/null
+++ b/src/corelib/codecs/qsimplecodec.cpp
@@ -0,0 +1,733 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsimplecodec_p.h"
+#include "qlist.h"
+
+#ifndef QT_NO_TEXTCODEC
+
+QT_BEGIN_NAMESPACE
+
+#define LAST_MIB 2004
+
+static const struct {
+    const char *mime;
+    const char *aliases[7];
+    int mib;
+    quint16 values[128];
+} unicodevalues[QSimpleTextCodec::numSimpleCodecs] = {
+    // from RFC 1489, ftp://ftp.isi.edu/in-notes/rfc1489.txt
+    { "KOI8-R", { "csKOI8R", 0 }, 2084,
+      { 0x2500, 0x2502, 0x250C, 0x2510, 0x2514, 0x2518, 0x251C, 0x2524,
+        0x252C, 0x2534, 0x253C, 0x2580, 0x2584, 0x2588, 0x258C, 0x2590,
+        0x2591, 0x2592, 0x2593, 0x2320, 0x25A0, 0x2219/**/, 0x221A, 0x2248,
+        0x2264, 0x2265, 0x00A0, 0x2321, 0x00B0, 0x00B2, 0x00B7, 0x00F7,
+        0x2550, 0x2551, 0x2552, 0x0451, 0x2553, 0x2554, 0x2555, 0x2556,
+        0x2557, 0x2558, 0x2559, 0x255A, 0x255B, 0x255C, 0x255D, 0x255E,
+        0x255F, 0x2560, 0x2561, 0x0401, 0x2562, 0x2563, 0x2564, 0x2565,
+        0x2566, 0x2567, 0x2568, 0x2569, 0x256A, 0x256B, 0x256C, 0x00A9,
+        0x044E, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
+        0x0445, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E,
+        0x043F, 0x044F, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
+        0x044C, 0x044B, 0x0437, 0x0448, 0x044D, 0x0449, 0x0447, 0x044A,
+        0x042E, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
+        0x0425, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E,
+        0x041F, 0x042F, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
+        0x042C, 0x042B, 0x0417, 0x0428, 0x042D, 0x0429, 0x0427, 0x042A } },
+    // /**/  - The BULLET OPERATOR is confused.  Some people think
+    //          it should be 0x2022 (BULLET).
+
+    // from RFC 2319, ftp://ftp.isi.edu/in-notes/rfc2319.txt
+    { "KOI8-U", { "KOI8-RU", 0 }, 2088,
+      { 0x2500, 0x2502, 0x250C, 0x2510, 0x2514, 0x2518, 0x251C, 0x2524,
+        0x252C, 0x2534, 0x253C, 0x2580, 0x2584, 0x2588, 0x258C, 0x2590,
+        0x2591, 0x2592, 0x2593, 0x2320, 0x25A0, 0x2219, 0x221A, 0x2248,
+        0x2264, 0x2265, 0x00A0, 0x2321, 0x00B0, 0x00B2, 0x00B7, 0x00F7,
+        0x2550, 0x2551, 0x2552, 0x0451, 0x0454, 0x2554, 0x0456, 0x0457,
+        0x2557, 0x2558, 0x2559, 0x255A, 0x255B, 0x0491, 0x255D, 0x255E,
+        0x255F, 0x2560, 0x2561, 0x0401, 0x0404, 0x2563, 0x0406, 0x0407,
+        0x2566, 0x2567, 0x2568, 0x2569, 0x256A, 0x0490, 0x256C, 0x00A9,
+        0x044E, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
+        0x0445, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E,
+        0x043F, 0x044F, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
+        0x044C, 0x044B, 0x0437, 0x0448, 0x044D, 0x0449, 0x0447, 0x044A,
+        0x042E, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
+        0x0425, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E,
+        0x041F, 0x042F, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
+        0x042C, 0x042B, 0x0417, 0x0428, 0x042D, 0x0429, 0x0427, 0x042A } },
+
+    // next bits generated from tables on the Unicode 2.0 CD.  we can
+    // use these tables since this is part of the transition to using
+    // unicode everywhere in qt.
+
+    // $ for A in 8 9 A B C D E F ; do for B in 0 1 2 3 4 5 6 7 8 9 A B C D E F ; do echo 0x${A}${B} 0xFFFD ; done ; done > /tmp/digits ; for a in 8859-* ; do (awk '/^0x[89ABCDEF]/{ print $1, $2 }' < $a ; cat /tmp/digits) | sort | uniq -w4 | cut -c6- | paste '-d ' - - - - - - - - | sed -e 's/ /, /g' -e 's/$/,/' -e '$ s/,$/} },/' -e '1 s/^/{ /' > ~/tmp/$a ; done
+
+    // then I inserted the files manually.
+    { "ISO-8859-2", {"latin2", "iso-ir-101", "csISOLatin2", 0 }, 5,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x0104, 0x02D8, 0x0141, 0x00A4, 0x013D, 0x015A, 0x00A7,
+        0x00A8, 0x0160, 0x015E, 0x0164, 0x0179, 0x00AD, 0x017D, 0x017B,
+        0x00B0, 0x0105, 0x02DB, 0x0142, 0x00B4, 0x013E, 0x015B, 0x02C7,
+        0x00B8, 0x0161, 0x015F, 0x0165, 0x017A, 0x02DD, 0x017E, 0x017C,
+        0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7,
+        0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E,
+        0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7,
+        0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF,
+        0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7,
+        0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F,
+        0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7,
+        0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9} },
+    { "ISO-8859-3", { "latin3", "iso-ir-109", "csISOLatin3", 0 }, 6,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x0126, 0x02D8, 0x00A3, 0x00A4, 0xFFFD, 0x0124, 0x00A7,
+        0x00A8, 0x0130, 0x015E, 0x011E, 0x0134, 0x00AD, 0xFFFD, 0x017B,
+        0x00B0, 0x0127, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x0125, 0x00B7,
+        0x00B8, 0x0131, 0x015F, 0x011F, 0x0135, 0x00BD, 0xFFFD, 0x017C,
+        0x00C0, 0x00C1, 0x00C2, 0xFFFD, 0x00C4, 0x010A, 0x0108, 0x00C7,
+        0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+        0xFFFD, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x0120, 0x00D6, 0x00D7,
+        0x011C, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x016C, 0x015C, 0x00DF,
+        0x00E0, 0x00E1, 0x00E2, 0xFFFD, 0x00E4, 0x010B, 0x0109, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+        0xFFFD, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x0121, 0x00F6, 0x00F7,
+        0x011D, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x016D, 0x015D, 0x02D9} },
+    { "ISO-8859-4", { "latin4", "iso-ir-110", "csISOLatin4", 0 }, 7,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x0104, 0x0138, 0x0156, 0x00A4, 0x0128, 0x013B, 0x00A7,
+        0x00A8, 0x0160, 0x0112, 0x0122, 0x0166, 0x00AD, 0x017D, 0x00AF,
+        0x00B0, 0x0105, 0x02DB, 0x0157, 0x00B4, 0x0129, 0x013C, 0x02C7,
+        0x00B8, 0x0161, 0x0113, 0x0123, 0x0167, 0x014A, 0x017E, 0x014B,
+        0x0100, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x012E,
+        0x010C, 0x00C9, 0x0118, 0x00CB, 0x0116, 0x00CD, 0x00CE, 0x012A,
+        0x0110, 0x0145, 0x014C, 0x0136, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+        0x00D8, 0x0172, 0x00DA, 0x00DB, 0x00DC, 0x0168, 0x016A, 0x00DF,
+        0x0101, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x012F,
+        0x010D, 0x00E9, 0x0119, 0x00EB, 0x0117, 0x00ED, 0x00EE, 0x012B,
+        0x0111, 0x0146, 0x014D, 0x0137, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+        0x00F8, 0x0173, 0x00FA, 0x00FB, 0x00FC, 0x0169, 0x016B, 0x02D9} },
+    { "ISO-8859-5", { "cyrillic", "iso-ir-144", "csISOLatinCyrillic", 0 }, 8,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0406, 0x0407,
+        0x0408, 0x0409, 0x040A, 0x040B, 0x040C, 0x00AD, 0x040E, 0x040F,
+        0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+        0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+        0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+        0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+        0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+        0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+        0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+        0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
+        0x2116, 0x0451, 0x0452, 0x0453, 0x0454, 0x0455, 0x0456, 0x0457,
+        0x0458, 0x0459, 0x045A, 0x045B, 0x045C, 0x00A7, 0x045E, 0x045F} },
+    { "ISO-8859-6", { "ISO-8859-6-I", "ECMA-114", "ASMO-708", "arabic", "iso-ir-127", "csISOLatinArabic", 0 }, 82,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0xFFFD, 0xFFFD, 0xFFFD, 0x00A4, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0x060C, 0x00AD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0x061B, 0xFFFD, 0xFFFD, 0xFFFD, 0x061F,
+        0xFFFD, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
+        0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
+        0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x0637,
+        0x0638, 0x0639, 0x063A, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0x0640, 0x0641, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647,
+        0x0648, 0x0649, 0x064A, 0x064B, 0x064C, 0x064D, 0x064E, 0x064F,
+        0x0650, 0x0651, 0x0652, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD} },
+    { "ISO-8859-7", { "ECMA-118", "greek", "iso-ir-126", "csISOLatinGreek", 0 }, 10,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x2018, 0x2019, 0x00A3, 0xFFFD, 0xFFFD, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0xFFFD, 0x00AB, 0x00AC, 0x00AD, 0xFFFD, 0x2015,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x0385, 0x0386, 0x00B7,
+        0x0388, 0x0389, 0x038A, 0x00BB, 0x038C, 0x00BD, 0x038E, 0x038F,
+        0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,
+        0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F,
+        0x03A0, 0x03A1, 0xFFFD, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7,
+        0x03A8, 0x03A9, 0x03AA, 0x03AB, 0x03AC, 0x03AD, 0x03AE, 0x03AF,
+        0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7,
+        0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
+        0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7,
+        0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0xFFFD} },
+    { "ISO-8859-8", { "ISO 8859-8-I", "iso-ir-138", "hebrew", "csISOLatinHebrew", 0 }, 85,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0xFFFD, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x203E,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0x2017,
+        0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
+        0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
+        0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
+        0x05E8, 0x05E9, 0x05EA, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD} },
+    { "ISO-8859-9", { "iso-ir-148", "latin5", "csISOLatin5", 0 }, 12,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+        0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+        0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+        0x011E, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+        0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x0130, 0x015E, 0x00DF,
+        0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+        0x011F, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+        0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0131, 0x015F, 0x00FF} },
+    { "ISO-8859-10", { "iso-ir-157", "latin6", "ISO-8859-10:1992", "csISOLatin6", 0 }, 13,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x0104, 0x0112, 0x0122, 0x012A, 0x0128, 0x0136, 0x00A7,
+        0x013B, 0x0110, 0x0160, 0x0166, 0x017D, 0x00AD, 0x016A, 0x014A,
+        0x00B0, 0x0105, 0x0113, 0x0123, 0x012B, 0x0129, 0x0137, 0x00B7,
+        0x013C, 0x0111, 0x0161, 0x0167, 0x017E, 0x2015, 0x016B, 0x014B,
+        0x0100, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x012E,
+        0x010C, 0x00C9, 0x0118, 0x00CB, 0x0116, 0x00CD, 0x00CE, 0x00CF,
+        0x00D0, 0x0145, 0x014C, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x0168,
+        0x00D8, 0x0172, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF,
+        0x0101, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x012F,
+        0x010D, 0x00E9, 0x0119, 0x00EB, 0x0117, 0x00ED, 0x00EE, 0x00EF,
+        0x00F0, 0x0146, 0x014D, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x0169,
+        0x00F8, 0x0173, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x0138} },
+    { "ISO-8859-13", { 0 }, 109,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x201D, 0x00A2, 0x00A3, 0x00A4, 0x201E, 0x00A6, 0x00A7,
+        0x00D8, 0x00A9, 0x0156, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00C6,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x201C, 0x00B5, 0x00B6, 0x00B7,
+        0x00F8, 0x00B9, 0x0157, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00E6,
+        0x0104, 0x012E, 0x0100, 0x0106, 0x00C4, 0x00C5, 0x0118, 0x0112,
+        0x010C, 0x00C9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012A, 0x013B,
+        0x0160, 0x0143, 0x0145, 0x00D3, 0x014C, 0x00D5, 0x00D6, 0x00D7,
+        0x0172, 0x0141, 0x015A, 0x016A, 0x00DC, 0x017B, 0x017D, 0x00DF,
+        0x0105, 0x012F, 0x0101, 0x0107, 0x00E4, 0x00E5, 0x0119, 0x0113,
+        0x010D, 0x00E9, 0x017A, 0x0117, 0x0123, 0x0137, 0x012B, 0x013C,
+        0x0161, 0x0144, 0x0146, 0x00F3, 0x014D, 0x00F5, 0x00F6, 0x00F7,
+        0x0173, 0x0142, 0x015B, 0x016B, 0x00FC, 0x017C, 0x017E, 0x2019} },
+    { "ISO-8859-14", { "iso-ir-199", "latin8", "iso-celtic", 0 }, 110,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x1E02, 0x1E03, 0x00A3, 0x010A, 0x010B, 0x1E0A, 0x00A7,
+        0x1E80, 0x00A9, 0x1E82, 0x1E0B, 0x1EF2, 0x00AD, 0x00AE, 0x0178,
+        0x1E1E, 0x1E1F, 0x0120, 0x0121, 0x1E40, 0x1E41, 0x00B6, 0x1E56,
+        0x1E81, 0x1E57, 0x1E83, 0x1E60, 0x1EF3, 0x1E84, 0x1E85, 0x1E61,
+        0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+        0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+        0x0174, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x1E6A,
+        0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x0176, 0x00DF,
+        0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+        0x0175, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x1E6B,
+        0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x0177, 0x00FF} },
+    { "ISO-8859-16", { "iso-ir-226", "latin10", 0 }, 112,
+      { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
+        0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
+        0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
+        0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
+        0x00A0, 0x0104, 0x0105, 0x0141, 0x20AC, 0x201E, 0x0160, 0x00A7,
+        0x0161, 0x00A9, 0x0218, 0x00AB, 0x0179, 0x00AD, 0x017A, 0x017B,
+        0x00B0, 0x00B1, 0x010C, 0x0142, 0x017D, 0x201D, 0x00B6, 0x00B7,
+        0x017E, 0x010D, 0x0219, 0x00BB, 0x0152, 0x0153, 0x0178, 0x017C,
+        0x00C0, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0106, 0x00C6, 0x00C7,
+        0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+        0x0110, 0x0143, 0x00D2, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x015A,
+        0x0170, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x0118, 0x021A, 0x00DF,
+        0x00E0, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x0107, 0x00E6, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+        0x0111, 0x0144, 0x00F2, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x015B,
+        0x0171, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0119, 0x021B, 0x00FF} },
+
+    // next bits generated again from tables on the Unicode 3.0 CD.
+
+    // $ for a in CP* ; do (awk '/^0x[89ABCDEF]/{ print $1, $2 }' < $a) | sort | sed -e 's/#UNDEF.*$/0xFFFD/' | cut -c6- | paste '-d ' - - - - - - - - | sed -e 's/ /, /g' -e 's/$/,/' -e '$ s/,$/} },/' -e '1 s/^/{ /' > ~/tmp/$a ; done
+
+    { "IBM850", { "CP850", "csPC850Multilingual", 0 }, 2009,
+      { 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+        0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+        0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+        0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192,
+        0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+        0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+        0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+        0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510,
+        0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+        0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+        0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x0131, 0x00CD, 0x00CE,
+        0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580,
+        0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE,
+        0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4,
+        0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+        0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0} },
+    { "IBM874", { "CP874", 0 }, -874, //### what is the mib?
+      { 0x20AC, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0x2026, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0x00A0, 0x0E01, 0x0E02, 0x0E03, 0x0E04, 0x0E05, 0x0E06, 0x0E07,
+        0x0E08, 0x0E09, 0x0E0A, 0x0E0B, 0x0E0C, 0x0E0D, 0x0E0E, 0x0E0F,
+        0x0E10, 0x0E11, 0x0E12, 0x0E13, 0x0E14, 0x0E15, 0x0E16, 0x0E17,
+        0x0E18, 0x0E19, 0x0E1A, 0x0E1B, 0x0E1C, 0x0E1D, 0x0E1E, 0x0E1F,
+        0x0E20, 0x0E21, 0x0E22, 0x0E23, 0x0E24, 0x0E25, 0x0E26, 0x0E27,
+        0x0E28, 0x0E29, 0x0E2A, 0x0E2B, 0x0E2C, 0x0E2D, 0x0E2E, 0x0E2F,
+        0x0E30, 0x0E31, 0x0E32, 0x0E33, 0x0E34, 0x0E35, 0x0E36, 0x0E37,
+        0x0E38, 0x0E39, 0x0E3A, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0x0E3F,
+        0x0E40, 0x0E41, 0x0E42, 0x0E43, 0x0E44, 0x0E45, 0x0E46, 0x0E47,
+        0x0E48, 0x0E49, 0x0E4A, 0x0E4B, 0x0E4C, 0x0E4D, 0x0E4E, 0x0E4F,
+        0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57,
+        0x0E58, 0x0E59, 0x0E5A, 0x0E5B, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD} },
+    { "IBM866", { "CP866", "csIBM866", 0 }, 2086,
+      { 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+        0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+        0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+        0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+        0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+        0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+        0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+        0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+        0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+        0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+        0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+        0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+        0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+        0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
+        0x0401, 0x0451, 0x0404, 0x0454, 0x0407, 0x0457, 0x040E, 0x045E,
+        0x00B0, 0x2219, 0x00B7, 0x221A, 0x2116, 0x00A4, 0x25A0, 0x00A0} },
+
+    { "windows-1250", { "CP1250", 0 }, 2250,
+      { 0x20AC, 0xFFFD, 0x201A, 0xFFFD, 0x201E, 0x2026, 0x2020, 0x2021,
+        0xFFFD, 0x2030, 0x0160, 0x2039, 0x015A, 0x0164, 0x017D, 0x0179,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0xFFFD, 0x2122, 0x0161, 0x203A, 0x015B, 0x0165, 0x017E, 0x017A,
+        0x00A0, 0x02C7, 0x02D8, 0x0141, 0x00A4, 0x0104, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x015E, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x017B,
+        0x00B0, 0x00B1, 0x02DB, 0x0142, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00B8, 0x0105, 0x015F, 0x00BB, 0x013D, 0x02DD, 0x013E, 0x017C,
+        0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7,
+        0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E,
+        0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7,
+        0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF,
+        0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7,
+        0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F,
+        0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7,
+        0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9} },
+    { "windows-1251", { "CP1251", 0 }, 2251,
+      { 0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021,
+        0x20AC, 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F,
+        0x0452, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0xFFFD, 0x2122, 0x0459, 0x203A, 0x045A, 0x045C, 0x045B, 0x045F,
+        0x00A0, 0x040E, 0x045E, 0x0408, 0x00A4, 0x0490, 0x00A6, 0x00A7,
+        0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x0407,
+        0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, 0x00B6, 0x00B7,
+        0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, 0x0457,
+        0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+        0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+        0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+        0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+        0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+        0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+        0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+        0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F} },
+    { "windows-1252", { "CP1252", 0 }, 2252,
+      { 0x20AC, 0xFFFD, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+        0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0xFFFD, 0x017D, 0xFFFD,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0xFFFD, 0x017E, 0x0178,
+        0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+        0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+        0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+        0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+        0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF,
+        0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+        0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+        0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF} },
+    { "windows-1253", {"CP1253", 0 }, 2253,
+      { 0x20AC, 0xFFFD, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+        0xFFFD, 0x2030, 0xFFFD, 0x2039, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0xFFFD, 0x2122, 0xFFFD, 0x203A, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0x00A0, 0x0385, 0x0386, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0xFFFD, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x2015,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x00B5, 0x00B6, 0x00B7,
+        0x0388, 0x0389, 0x038A, 0x00BB, 0x038C, 0x00BD, 0x038E, 0x038F,
+        0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,
+        0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F,
+        0x03A0, 0x03A1, 0xFFFD, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7,
+        0x03A8, 0x03A9, 0x03AA, 0x03AB, 0x03AC, 0x03AD, 0x03AE, 0x03AF,
+        0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7,
+        0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
+        0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7,
+        0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0xFFFD} },
+    { "windows-1254", { "CP1254", 0 }, 2254,
+      { 0x20AC, 0xFFFD, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+        0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0xFFFD, 0xFFFD, 0x0178,
+        0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+        0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+        0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+        0x011E, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+        0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x0130, 0x015E, 0x00DF,
+        0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+        0x011F, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+        0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0131, 0x015F, 0x00FF} },
+    { "windows-1255", { "CP1255", 0 }, 2255,
+      { 0x20AC, 0xFFFD, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+        0x02C6, 0x2030, 0xFFFD, 0x2039, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0x02DC, 0x2122, 0xFFFD, 0x203A, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+        0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
+        0x05B8, 0x05B9, 0xFFFD, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
+        0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
+        0x05F4, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
+        0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
+        0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
+        0x05E8, 0x05E9, 0x05EA, 0xFFFD, 0xFFFD, 0x200E, 0x200F, 0xFFFD} },
+    { "windows-1256", { "CP1256", 0 }, 2256,
+      { 0x20AC, 0x067E, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+        0x02C6, 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688,
+        0x06AF, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0x06A9, 0x2122, 0x0691, 0x203A, 0x0153, 0x200C, 0x200D, 0x06BA,
+        0x00A0, 0x060C, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x06BE, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00B8, 0x00B9, 0x061B, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x061F,
+        0x06C1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
+        0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
+        0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00D7,
+        0x0637, 0x0638, 0x0639, 0x063A, 0x0640, 0x0641, 0x0642, 0x0643,
+        0x00E0, 0x0644, 0x00E2, 0x0645, 0x0646, 0x0647, 0x0648, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0649, 0x064A, 0x00EE, 0x00EF,
+        0x064B, 0x064C, 0x064D, 0x064E, 0x00F4, 0x064F, 0x0650, 0x00F7,
+        0x0651, 0x00F9, 0x0652, 0x00FB, 0x00FC, 0x200E, 0x200F, 0x06D2} },
+    { "windows-1257", { "CP1257", 0 }, 2257,
+      { 0x20AC, 0xFFFD, 0x201A, 0xFFFD, 0x201E, 0x2026, 0x2020, 0x2021,
+        0xFFFD, 0x2030, 0xFFFD, 0x2039, 0xFFFD, 0x00A8, 0x02C7, 0x00B8,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0xFFFD, 0x2122, 0xFFFD, 0x203A, 0xFFFD, 0x00AF, 0x02DB, 0xFFFD,
+        0x00A0, 0xFFFD, 0x00A2, 0x00A3, 0x00A4, 0xFFFD, 0x00A6, 0x00A7,
+        0x00D8, 0x00A9, 0x0156, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00C6,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00F8, 0x00B9, 0x0157, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00E6,
+        0x0104, 0x012E, 0x0100, 0x0106, 0x00C4, 0x00C5, 0x0118, 0x0112,
+        0x010C, 0x00C9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012A, 0x013B,
+        0x0160, 0x0143, 0x0145, 0x00D3, 0x014C, 0x00D5, 0x00D6, 0x00D7,
+        0x0172, 0x0141, 0x015A, 0x016A, 0x00DC, 0x017B, 0x017D, 0x00DF,
+        0x0105, 0x012F, 0x0101, 0x0107, 0x00E4, 0x00E5, 0x0119, 0x0113,
+        0x010D, 0x00E9, 0x017A, 0x0117, 0x0123, 0x0137, 0x012B, 0x013C,
+        0x0161, 0x0144, 0x0146, 0x00F3, 0x014D, 0x00F5, 0x00F6, 0x00F7,
+        0x0173, 0x0142, 0x015B, 0x016B, 0x00FC, 0x017C, 0x017E, 0x02D9} },
+    { "windows-1258", { "CP1258", 0 }, 2258,
+      { 0x20AC, 0xFFFD, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+        0x02C6, 0x2030, 0xFFFD, 0x2039, 0x0152, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0x02DC, 0x2122, 0xFFFD, 0x203A, 0x0153, 0xFFFD, 0xFFFD, 0x0178,
+        0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+        0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+        0x00C0, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+        0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x0300, 0x00CD, 0x00CE, 0x00CF,
+        0x0110, 0x00D1, 0x0309, 0x00D3, 0x00D4, 0x01A0, 0x00D6, 0x00D7,
+        0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x01AF, 0x0303, 0x00DF,
+        0x00E0, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0301, 0x00ED, 0x00EE, 0x00EF,
+        0x0111, 0x00F1, 0x0323, 0x00F3, 0x00F4, 0x01A1, 0x00F6, 0x00F7,
+        0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x01B0, 0x20AB, 0x00FF} },
+
+    { "Apple Roman", { "macintosh", "MacRoman", 0 }, -168,
+      { 0x00C4, 0x00C5, 0x00C7, 0x00C9, 0x00D1, 0x00D6, 0x00DC, 0x00E1,
+        0x00E0, 0x00E2, 0x00E4, 0x00E3, 0x00E5, 0x00E7, 0x00E9, 0x00E8,
+        0x00EA, 0x00EB, 0x00ED, 0x00EC, 0x00EE, 0x00EF, 0x00F1, 0x00F3,
+        0x00F2, 0x00F4, 0x00F6, 0x00F5, 0x00FA, 0x00F9, 0x00FB, 0x00FC,
+        0x2020, 0x00B0, 0x00A2, 0x00A3, 0x00A7, 0x2022, 0x00B6, 0x00DF,
+        0x00AE, 0x00A9, 0x2122, 0x00B4, 0x00A8, 0x2260, 0x00C6, 0x00D8,
+        0x221E, 0x00B1, 0x2264, 0x2265, 0x00A5, 0x00B5, 0x2202, 0x2211,
+        0x220F, 0x03C0, 0x222B, 0x00AA, 0x00BA, 0x03A9, 0x00E6, 0x00F8,
+        0x00BF, 0x00A1, 0x00AC, 0x221A, 0x0192, 0x2248, 0x2206, 0x00AB,
+        0x00BB, 0x2026, 0x00A0, 0x00C0, 0x00C3, 0x00D5, 0x0152, 0x0153,
+        0x2013, 0x2014, 0x201C, 0x201D, 0x2018, 0x2019, 0x00F7, 0x25CA,
+        0x00FF, 0x0178, 0x2044, 0x20AC, 0x2039, 0x203A, 0xFB01, 0xFB02,
+        0x2021, 0x00B7, 0x201A, 0x201E, 0x2030, 0x00C2, 0x00CA, 0x00C1,
+        0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF, 0x00CC, 0x00D3, 0x00D4,
+        0xF8FF, 0x00D2, 0x00DA, 0x00DB, 0x00D9, 0x0131, 0x02C6, 0x02DC,
+        0x00AF, 0x02D8, 0x02D9, 0x02DA, 0x00B8, 0x02DD, 0x02DB, 0x02C7} },
+
+
+
+    // This one is based on the charmap file
+    // /usr/share/i18n/charmaps/SAMI-WS2.gz, which is manually adapted
+    // to this format by Boerre Gaup <boerre@subdimension.com>
+    { "WINSAMI2", { "WS2", 0 }, -165,
+      { 0x20AC, 0xFFFD, 0x010C, 0x0192, 0x010D, 0x01B7, 0x0292, 0x01EE,
+        0x01EF, 0x0110, 0x0160, 0x2039, 0x0152, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0x0111, 0x01E6, 0x0161, 0x203A, 0x0153, 0xFFFD, 0xFFFD, 0x0178,
+        0x00A0, 0x01E7, 0x01E4, 0x00A3, 0x00A4, 0x01E5, 0x00A6, 0x00A7,
+        0x00A8, 0x00A9, 0x021E, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x021F,
+        0x00B0, 0x00B1, 0x01E8, 0x01E9, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+        0x014A, 0x014B, 0x0166, 0x00BB, 0x0167, 0x00BD, 0x017D, 0x017E,
+        0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+        0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+        0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+        0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF,
+        0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+        0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+        0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+        0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF} },
+
+
+    // this one is generated from the charmap file located in /usr/share/i18n/charmaps
+    // on most Linux distributions. The thai character set tis620 is byte by byte equivalent
+    // to iso8859-11, so we name it 8859-11 here, but recognise the name tis620 too.
+
+    // $ for A in 8 9 A B C D E F ; do for B in 0 1 2 3 4 5 6 7 8 9 A B C D E F ; do echo x${A}${B} 0xFFFD ; done ; done > /tmp/digits ; (cut -c25- < TIS-620 ; cat /tmp/digits) | awk '/^x[89ABCDEF]/{ print $1, $2 }' | sed -e 's/<U/0x/' -e 's/>//' | sort | uniq -w4 | cut -c5- | paste '-d ' - - - - - - - - | sed -e 's/ /, /g' -e 's/$/,/' -e '$ s/,$/} },/' -e '1 s/^/{ /' > ~/tmp/tis-620
+    { "TIS-620", { "ISO 8859-11", 0 }, 2259, // Thai character set mib enum taken from tis620 (which is byte by byte equivalent)
+      { 0x20AC, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0x2026, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0x0E01, 0x0E02, 0x0E03, 0x0E04, 0x0E05, 0x0E06, 0x0E07,
+        0x0E08, 0x0E09, 0x0E0A, 0x0E0B, 0x0E0C, 0x0E0D, 0x0E0E, 0x0E0F,
+        0x0E10, 0x0E11, 0x0E12, 0x0E13, 0x0E14, 0x0E15, 0x0E16, 0x0E17,
+        0x0E18, 0x0E19, 0x0E1A, 0x0E1B, 0x0E1C, 0x0E1D, 0x0E1E, 0x0E1F,
+        0x0E20, 0x0E21, 0x0E22, 0x0E23, 0x0E24, 0x0E25, 0x0E26, 0x0E27,
+        0x0E28, 0x0E29, 0x0E2A, 0x0E2B, 0x0E2C, 0x0E2D, 0x0E2E, 0x0E2F,
+        0x0E30, 0x0E31, 0x0E32, 0x0E33, 0x0E34, 0x0E35, 0x0E36, 0x0E37,
+        0x0E38, 0x0E39, 0x0E3A, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0x0E3F,
+        0x0E40, 0x0E41, 0x0E42, 0x0E43, 0x0E44, 0x0E45, 0x0E46, 0x0E47,
+        0x0E48, 0x0E49, 0x0E4A, 0x0E4B, 0x0E4C, 0x0E4D, 0x0E4E, 0x0E4F,
+        0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57,
+        0x0E58, 0x0E59, 0x0E5A, 0x0E5B, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD } },
+
+    /*
+      Name: hp-roman8                                  [HP-PCL5,RFC1345,KXS2]
+      MIBenum: 2004
+      Source: LaserJet IIP Printer User's Manual,
+      HP part no 33471-90901, Hewlet-Packard, June 1989.
+      Alias: roman8
+      Alias: r8
+      Alias: csHPRoman8
+    */
+    { "roman8", { "hp-roman8", "csHPRoman8", 0 }, 2004,
+      { 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD, 0xFFFD,
+        0x00A0, 0x00C0, 0x00C2, 0x00C8, 0x00CA, 0x00CB, 0x00CE, 0x00CF,
+        0x00B4, 0x02CB, 0x02C6, 0x00A8, 0x02DC, 0x00D9, 0x00DB, 0x20A4,
+        0x00AF, 0x00DD, 0x00FD, 0x00B0, 0x00C7, 0x00E7, 0x00D1, 0x00F1,
+        0x00A1, 0x00BF, 0x00A4, 0x00A3, 0x00A5, 0x00A7, 0x0192, 0x00A2,
+        0x00E2, 0x00EA, 0x00F4, 0x00FB, 0x00E1, 0x00E9, 0x00F3, 0x00FA,
+        0x00E0, 0x00E8, 0x00F2, 0x00F9, 0x00E4, 0x00EB, 0x00F6, 0x00FC,
+        0x00C5, 0x00EE, 0x00D8, 0x00C6, 0x00E5, 0x00ED, 0x00F8, 0x00E6,
+        0x00C4, 0x00EC, 0x00D6, 0x00DC, 0x00C9, 0x00EF, 0x00DF, 0x00D4,
+        0x00C1, 0x00C3, 0x00E3, 0x00D0, 0x00F0, 0x00CD, 0x00CC, 0x00D3,
+        0x00D2, 0x00D5, 0x00F5, 0x0160, 0x0161, 0x00DA, 0x0178, 0x00FF,
+        0x00DE, 0x00FE, 0x00B7, 0x00B5, 0x00B6, 0x00BE, 0x2014, 0x00BC,
+        0x00BD, 0x00AA, 0x00BA, 0x00AB, 0x25A0, 0x00BB, 0x00B1, 0xFFFD } }
+
+    // if you add more chacater sets at the end, change LAST_MIB above
+};
+
+QSimpleTextCodec::QSimpleTextCodec(int i) : forwardIndex(i), reverseMap(0)
+{
+}
+
+
+QSimpleTextCodec::~QSimpleTextCodec()
+{
+    delete reverseMap;
+}
+
+static QByteArray *buildReverseMap(int forwardIndex)
+{
+    QByteArray *map = new QByteArray();
+    int m = 0;
+    int i = 0;
+    while(i < 128) {
+        if (unicodevalues[forwardIndex].values[i] > m &&
+             unicodevalues[forwardIndex].values[i] < 0xfffd)
+            m = unicodevalues[forwardIndex].values[i];
+        i++;
+    }
+    m++;
+    map->resize(m);
+    for(i = 0; i < 128 && i < m; i++)
+        (*map)[i] = (char)i;
+    for(;i < m; i++)
+        (*map)[i] = 0;
+    for(i=128; i<256; i++) {
+        int u = unicodevalues[forwardIndex].values[i-128];
+        if (u < m)
+            (*map)[u] = (char)(unsigned char)(i);
+    }
+    return map;
+}
+
+QString QSimpleTextCodec::convertToUnicode(const char* chars, int len, ConverterState *) const
+{
+    if (len <= 0 || chars == 0)
+        return QString();
+
+    const unsigned char * c = (const unsigned char *)chars;
+
+    QString r;
+    r.resize(len);
+    QChar* uc = r.data();
+
+    for (int i = 0; i < len; i++) {
+        if (c[i] > 127)
+            uc[i] = unicodevalues[forwardIndex].values[c[i]-128];
+        else
+            uc[i] = QLatin1Char(c[i]);
+    }
+    return r;
+}
+
+QByteArray QSimpleTextCodec::convertFromUnicode(const QChar *in, int length, ConverterState *state) const
+{
+    const char replacement = (state && state->flags & ConvertInvalidToNull) ? 0 : '?';
+    int invalid = 0;
+
+    if (!reverseMap){
+        QByteArray *tmp = buildReverseMap(this->forwardIndex);
+        if (!reverseMap.testAndSetOrdered(0, tmp))
+            delete tmp;
+    }
+
+    QByteArray r;
+    r.resize(length);
+    int i = length;
+    int u;
+    const QChar* ucp = in;
+    unsigned char* rp = (unsigned char *)r.data();
+    const unsigned char* rmp = (const unsigned char *)reverseMap->data();
+    int rmsize = (int) reverseMap->size();
+    while(i--)
+    {
+        u = ucp->unicode();
+        if (u < 128) {
+            *rp = (char)u;
+        } else {
+            *rp = ((u < rmsize) ? (*(rmp+u)) : 0);
+            if (*rp == 0) {
+                *rp = replacement;
+                ++invalid;
+            }
+        }
+        rp++;
+        ucp++;
+    }
+
+    if (state) {
+        state->invalidChars += invalid;
+    }
+    return r;
+}
+
+QByteArray QSimpleTextCodec::name() const
+{
+    return unicodevalues[forwardIndex].mime;
+}
+
+QList<QByteArray> QSimpleTextCodec::aliases() const
+{
+    QList<QByteArray> list;
+    const char * const*a = unicodevalues[forwardIndex].aliases;
+    while (*a) {
+        list << *a;
+        ++a;
+    }
+    return list;
+}
+
+int QSimpleTextCodec::mibEnum() const
+{
+    return unicodevalues[forwardIndex].mib;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_TEXTCODEC
diff --git a/src/corelib/codecs/qsimplecodec_p.h b/src/corelib/codecs/qsimplecodec_p.h
new file mode 100644
index 0000000000..0fa874a2cc
--- /dev/null
+++ b/src/corelib/codecs/qsimplecodec_p.h
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSIMPLECODEC_P_H
+#define QSIMPLECODEC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qtextcodec.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_TEXTCODEC
+
+template <typename T> class QAtomicPointer;
+
+class QSimpleTextCodec: public QTextCodec
+{
+public:
+    enum { numSimpleCodecs = 30 };
+    explicit QSimpleTextCodec(int);
+    ~QSimpleTextCodec();
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+
+private:
+    int forwardIndex;
+    mutable QAtomicPointer<QByteArray> reverseMap;
+};
+
+#endif // QT_NO_TEXTCODEC
+
+QT_END_NAMESPACE
+
+#endif // QSIMPLECODEC_P_H
diff --git a/src/corelib/codecs/qtextcodec.cpp b/src/corelib/codecs/qtextcodec.cpp
new file mode 100644
index 0000000000..6e8ffa145d
--- /dev/null
+++ b/src/corelib/codecs/qtextcodec.cpp
@@ -0,0 +1,1598 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qtextcodec.h"
+#include "qtextcodec_p.h"
+
+#ifndef QT_NO_TEXTCODEC
+
+#include "qlist.h"
+#include "qfile.h"
+#ifndef QT_NO_LIBRARY
+# include "qcoreapplication.h"
+# include "qtextcodecplugin.h"
+# include "private/qfactoryloader_p.h"
+#endif
+#include "qstringlist.h"
+
+#ifdef Q_OS_UNIX
+#  include "qiconvcodec_p.h"
+#endif
+
+#include "qutfcodec_p.h"
+#include "qsimplecodec_p.h"
+#include "qlatincodec_p.h"
+#ifndef QT_NO_CODECS
+#  include "qtsciicodec_p.h"
+#  include "qisciicodec_p.h"
+#  if defined(QT_NO_ICONV) && !defined(QT_BOOTSTRAPPED)
+// no iconv(3) support, must build all codecs into the library
+#    include "../../plugins/codecs/cn/qgb18030codec.h"
+#    include "../../plugins/codecs/jp/qeucjpcodec.h"
+#    include "../../plugins/codecs/jp/qjiscodec.h"
+#    include "../../plugins/codecs/jp/qsjiscodec.h"
+#    include "../../plugins/codecs/kr/qeuckrcodec.h"
+#    include "../../plugins/codecs/tw/qbig5codec.h"
+#  endif // QT_NO_ICONV
+#  if defined(Q_WS_X11) && !defined(QT_BOOTSTRAPPED)
+#    include "qfontlaocodec_p.h"
+#    include "../../plugins/codecs/jp/qfontjpcodec.h"
+#  endif
+#endif // QT_NO_CODECS
+#include "qlocale.h"
+#include "private/qmutexpool_p.h"
+
+#include <stdlib.h>
+#include <ctype.h>
+#include <locale.h>
+#if defined (_XOPEN_UNIX) && !defined(Q_OS_QNX6) && !defined(Q_OS_OSF)
+#include <langinfo.h>
+#endif
+
+#if defined(Q_OS_WINCE)
+#  define QT_NO_SETLOCALE
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_TEXTCODECPLUGIN
+Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
+    (QTextCodecFactoryInterface_iid, QLatin1String("/codecs")))
+#endif
+
+
+static bool nameMatch(const QByteArray &name, const QByteArray &test)
+{
+    // if they're the same, return a perfect score
+    if (qstricmp(name, test) == 0)
+        return true;
+
+    const char *n = name.constData();
+    const char *h = test.constData();
+
+    // if the letters and numbers are the same, we have a match
+    while (*n != '\0') {
+        if (isalnum((uchar)*n)) {
+            for (;;) {
+                if (*h == '\0')
+                    return false;
+                if (isalnum((uchar)*h))
+                    break;
+                ++h;
+            }
+            if (tolower((uchar)*n) != tolower((uchar)*h))
+                return false;
+            ++h;
+        }
+        ++n;
+    }
+    while (*h && !isalnum((uchar)*h))
+           ++h;
+    return (*h == '\0');
+}
+
+
+static QTextCodec *createForName(const QByteArray &name)
+{
+#ifndef QT_NO_TEXTCODECPLUGIN
+    QFactoryLoader *l = loader();
+    QStringList keys = l->keys();
+    for (int i = 0; i < keys.size(); ++i) {
+        if (nameMatch(name, keys.at(i).toLatin1())) {
+            QString realName = keys.at(i);
+            if (QTextCodecFactoryInterface *factory
+                = qobject_cast<QTextCodecFactoryInterface*>(l->instance(realName))) {
+                return factory->create(realName);
+            }
+        }
+    }
+#else
+    Q_UNUSED(name);
+#endif
+    return 0;
+}
+
+static QTextCodec *createForMib(int mib)
+{
+#ifndef QT_NO_TEXTCODECPLUGIN
+    QString name = QLatin1String("MIB: ") + QString::number(mib);
+    if (QTextCodecFactoryInterface *factory
+        = qobject_cast<QTextCodecFactoryInterface*>(loader()->instance(name)))
+        return factory->create(name);
+#else
+    Q_UNUSED(mib);
+#endif
+    return 0;
+}
+
+static QList<QTextCodec*> *all = 0;
+static bool destroying_is_ok = false;
+
+static QTextCodec *localeMapper = 0;
+QTextCodec *QTextCodec::cftr = 0;
+
+
+class QTextCodecCleanup
+{
+public:
+    ~QTextCodecCleanup();
+};
+
+/*
+    Deletes all the created codecs. This destructor is called just
+    before exiting to delete any QTextCodec objects that may be lying
+    around.
+*/
+QTextCodecCleanup::~QTextCodecCleanup()
+{
+    if (!all)
+        return;
+
+    destroying_is_ok = true;
+
+    while (all->size())
+        delete all->takeFirst();
+    delete all;
+    all = 0;
+    localeMapper = 0;
+
+    destroying_is_ok = false;
+}
+
+Q_GLOBAL_STATIC(QTextCodecCleanup, createQTextCodecCleanup)
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+class QWindowsLocalCodec: public QTextCodec
+{
+public:
+    QWindowsLocalCodec();
+    ~QWindowsLocalCodec();
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+    QString convertToUnicodeCharByChar(const char *chars, int length, ConverterState *state) const;
+
+    QByteArray name() const;
+    int mibEnum() const;
+
+};
+
+QWindowsLocalCodec::QWindowsLocalCodec()
+{
+}
+
+QWindowsLocalCodec::~QWindowsLocalCodec()
+{
+}
+
+QString QWindowsLocalCodec::convertToUnicode(const char *chars, int length, ConverterState *state) const
+{
+    const char *mb = chars;
+    int mblen = length;
+
+    if (!mb || !mblen)
+        return QString();
+
+    const int wclen_auto = 4096;
+    WCHAR wc_auto[wclen_auto];
+    int wclen = wclen_auto;
+    WCHAR *wc = wc_auto;
+    int len;
+    QString sp;
+    bool prepend = false;
+    char state_data = 0;
+    int remainingChars = 0;
+
+    //save the current state information
+    if (state) {
+        state_data = (char)state->state_data[0];
+        remainingChars = state->remainingChars;
+    }
+
+    //convert the pending charcter (if available)
+    if (state && remainingChars) {
+        char prev[3] = {0};
+        prev[0] = state_data;
+        prev[1] = mb[0];
+        remainingChars = 0;
+        len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,
+                                    prev, 2, wc, wclen);
+        if (len) {
+            prepend = true;
+            sp.append(QChar(wc[0]));
+            mb++;
+            mblen--;
+            wc[0] = 0;
+        }
+    }
+
+    while (!(len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED|MB_ERR_INVALID_CHARS,
+                mb, mblen, wc, wclen))) {
+        int r = GetLastError();
+        if (r == ERROR_INSUFFICIENT_BUFFER) {
+            if (wc != wc_auto) {
+                qWarning("MultiByteToWideChar: Size changed");
+                break;
+            } else {
+                wclen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,
+                                    mb, mblen, 0, 0);
+                wc = new WCHAR[wclen];
+                // and try again...
+            }
+        } else if (r == ERROR_NO_UNICODE_TRANSLATION) {
+            //find the last non NULL character
+            while (mblen > 1  && !(mb[mblen-1]))
+                mblen--;
+            //check whether,  we hit an invalid character in the middle
+            if ((mblen <= 1) || (remainingChars && state_data))
+                return convertToUnicodeCharByChar(chars, length, state);
+            //Remove the last character and try again...
+            state_data = mb[mblen-1];
+            remainingChars = 1;
+            mblen--;
+        } else {
+            // Fail.
+            qWarning("MultiByteToWideChar: Cannot convert multibyte text");
+            break;
+        }
+    }
+    if (len <= 0)
+        return QString();
+    if (wc[len-1] == 0) // len - 1: we don't want terminator
+        --len;
+
+    //save the new state information
+    if (state) {
+        state->state_data[0] = (char)state_data;
+        state->remainingChars = remainingChars;
+    }
+    QString s((QChar*)wc, len);
+    if (wc != wc_auto)
+        delete [] wc;
+    if (prepend) {
+        return sp+s;
+    }
+    return s;
+}
+
+QString QWindowsLocalCodec::convertToUnicodeCharByChar(const char *chars, int length, ConverterState *state) const
+{
+    if (!chars || !length)
+        return QString();
+
+    int copyLocation = 0;
+    int extra = 2;
+    if (state && state->remainingChars) {
+        copyLocation = state->remainingChars;
+        extra += copyLocation;
+    }
+    int newLength = length + extra;
+    char *mbcs = new char[newLength];
+    //ensure that we have a NULL terminated string
+    mbcs[newLength-1] = 0;
+    mbcs[newLength-2] = 0;
+    memcpy(&(mbcs[copyLocation]), chars, length);
+    if (copyLocation) {
+        //copy the last character from the state
+        mbcs[0] = (char)state->state_data[0];
+        state->remainingChars = 0;
+    }
+    const char *mb = mbcs;
+#ifndef Q_OS_WINCE
+    const char *next = 0;
+    QString s;
+    while((next = CharNextExA(CP_ACP, mb, 0)) != mb) {
+        WCHAR wc[2] ={0};
+        int charlength = next - mb;
+        int len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED|MB_ERR_INVALID_CHARS, mb, charlength, wc, 2);
+        if (len>0) {
+            s.append(QChar(wc[0]));
+        } else {
+            int r = GetLastError();
+            //check if the character being dropped is the last character
+            if (r == ERROR_NO_UNICODE_TRANSLATION && mb == (mbcs+newLength -3) && state) {
+                state->remainingChars = 1;
+                state->state_data[0] = (char)*mb;
+            }
+        }
+        mb = next;
+    }
+#else
+    QString s;
+    int size = mbstowcs(NULL, mb, length);
+    if (size < 0) {
+        Q_ASSERT("Error in CE TextCodec");
+        return QString();
+    }
+    wchar_t* ws = new wchar_t[size + 2];
+    ws[size +1] = 0;
+    ws[size] = 0;
+    size = mbstowcs(ws, mb, length);
+    for (int i=0; i< size; i++)
+        s.append(QChar(ws[i]));
+    delete [] ws;
+#endif
+    delete mbcs;
+    return s;
+}
+
+QByteArray QWindowsLocalCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *) const
+{
+    return qt_winQString2MB(uc, len);
+}
+
+
+QByteArray QWindowsLocalCodec::name() const
+{
+    return "System";
+}
+
+int QWindowsLocalCodec::mibEnum() const
+{
+    return 0;
+}
+
+#else
+
+/* locale names mostly copied from XFree86 */
+static const char * const iso8859_2locales[] = {
+    "croatian", "cs", "cs_CS", "cs_CZ","cz", "cz_CZ", "czech", "hr",
+    "hr_HR", "hu", "hu_HU", "hungarian", "pl", "pl_PL", "polish", "ro",
+    "ro_RO", "rumanian", "serbocroatian", "sh", "sh_SP", "sh_YU", "sk",
+    "sk_SK", "sl", "sl_CS", "sl_SI", "slovak", "slovene", "sr_SP", 0 };
+
+static const char * const iso8859_3locales[] = {
+    "eo", 0 };
+
+static const char * const iso8859_4locales[] = {
+    "ee", "ee_EE", 0 };
+
+static const char * const iso8859_5locales[] = {
+    "mk", "mk_MK", "sp", "sp_YU", 0 };
+
+static const char * const cp_1251locales[] = {
+    "be", "be_BY", "bg", "bg_BG", "bulgarian", 0 };
+
+static const char * const pt_154locales[] = {
+    "ba_RU", "ky", "ky_KG", "kk", "kk_KZ", 0 };
+
+static const char * const iso8859_6locales[] = {
+    "ar_AA", "ar_SA", "arabic", 0 };
+
+static const char * const iso8859_7locales[] = {
+    "el", "el_GR", "greek", 0 };
+
+static const char * const iso8859_8locales[] = {
+    "hebrew", "he", "he_IL", "iw", "iw_IL", 0 };
+
+static const char * const iso8859_9locales[] = {
+    "tr", "tr_TR", "turkish", 0 };
+
+static const char * const iso8859_13locales[] = {
+    "lt", "lt_LT", "lv", "lv_LV", 0 };
+
+static const char * const iso8859_15locales[] = {
+    "et", "et_EE",
+    // Euro countries
+    "br_FR", "ca_ES", "de", "de_AT", "de_BE", "de_DE", "de_LU", "en_IE",
+    "es", "es_ES", "eu_ES", "fi", "fi_FI", "finnish", "fr", "fr_FR",
+    "fr_BE", "fr_LU", "french", "ga_IE", "gl_ES", "it", "it_IT", "oc_FR",
+    "nl", "nl_BE", "nl_NL", "pt", "pt_PT", "sv_FI", "wa_BE",
+    0 };
+
+static const char * const koi8_ulocales[] = {
+    "uk", "uk_UA", "ru_UA", "ukrainian", 0 };
+
+static const char * const tis_620locales[] = {
+    "th", "th_TH", "thai", 0 };
+
+// static const char * const tcvnlocales[] = {
+//     "vi", "vi_VN", 0 };
+
+static bool try_locale_list(const char * const locale[], const char * lang)
+{
+    int i;
+    for(i=0; locale[i] && *locale[i] && strcmp(locale[i], lang); i++)
+        ;
+    return locale[i] != 0;
+}
+
+// For the probably_koi8_locales we have to look. the standard says
+// these are 8859-5, but almost all Russian users use KOI8-R and
+// incorrectly set $LANG to ru_RU. We'll check tolower() to see what
+// it thinks ru_RU means.
+
+// If you read the history, it seems that many Russians blame ISO and
+// Perestroika for the confusion.
+//
+// The real bug is that some programs break if the user specifies
+// ru_RU.KOI8-R.
+
+static const char * const probably_koi8_rlocales[] = {
+    "ru", "ru_SU", "ru_RU", "russian", 0 };
+
+static QTextCodec * ru_RU_hack(const char * i) {
+    QTextCodec * ru_RU_codec = 0;
+
+#if !defined(QT_NO_SETLOCALE)
+    QByteArray origlocale(setlocale(LC_CTYPE, i));
+#else
+    QByteArray origlocale(i);
+#endif
+    // unicode   koi8r   latin5   name
+    // 0x044E    0xC0    0xEE     CYRILLIC SMALL LETTER YU
+    // 0x042E    0xE0    0xCE     CYRILLIC CAPITAL LETTER YU
+    int latin5 = tolower(0xCE);
+    int koi8r = tolower(0xE0);
+    if (koi8r == 0xC0 && latin5 != 0xEE) {
+        ru_RU_codec = QTextCodec::codecForName("KOI8-R");
+    } else if (koi8r != 0xC0 && latin5 == 0xEE) {
+        ru_RU_codec = QTextCodec::codecForName("ISO 8859-5");
+    } else {
+        // something else again... let's assume... *throws dice*
+        ru_RU_codec = QTextCodec::codecForName("KOI8-R");
+        qWarning("QTextCodec: Using KOI8-R, probe failed (%02x %02x %s)",
+                  koi8r, latin5, i);
+    }
+#if !defined(QT_NO_SETLOCALE)
+    setlocale(LC_CTYPE, origlocale);
+#endif
+
+    return ru_RU_codec;
+}
+
+#endif
+
+#if !defined(Q_OS_WIN32) && !defined(Q_OS_WINCE)
+static QTextCodec *checkForCodec(const char *name) {
+    QTextCodec *c = QTextCodec::codecForName(name);
+    if (!c) {
+        const char *at = strchr(name, '@');
+        if (at) {
+            QByteArray n(name, at - name);
+            c = QTextCodec::codecForName(n.data());
+        }
+    }
+    return c;
+}
+#endif
+
+/* the next two functions are implicitely thread safe,
+   as they are only called by setup() which uses a mutex.
+*/
+static void setupLocaleMapper()
+{
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    localeMapper = QTextCodec::codecForName("System");
+#else
+
+#ifndef QT_NO_ICONV
+    localeMapper = QTextCodec::codecForName("System");
+#endif
+
+#if defined (_XOPEN_UNIX) && !defined(Q_OS_QNX6) && !defined(Q_OS_OSF)
+    if (!localeMapper) {
+        char *charset = nl_langinfo (CODESET);
+        if (charset)
+            localeMapper = QTextCodec::codecForName(charset);
+    }
+#endif
+
+    if (!localeMapper) {
+        // Very poorly defined and followed standards causes lots of
+        // code to try to get all the cases... This logic is
+        // duplicated in QIconvCodec, so if you change it here, change
+        // it there too.
+
+        // Try to determine locale codeset from locale name assigned to
+        // LC_CTYPE category.
+
+        // First part is getting that locale name.  First try setlocale() which
+        // definitely knows it, but since we cannot fully trust it, get ready
+        // to fall back to environment variables.
+#if !defined(QT_NO_SETLOCALE)
+        char * ctype = qstrdup(setlocale(LC_CTYPE, 0));
+#else
+        char * ctype = qstrdup("");
+#endif
+
+        // Get the first nonempty value from $LC_ALL, $LC_CTYPE, and $LANG
+        // environment variables.
+        char * lang = qstrdup(qgetenv("LC_ALL").constData());
+        if (!lang || lang[0] == 0 || strcmp(lang, "C") == 0) {
+            if (lang) delete [] lang;
+            lang = qstrdup(qgetenv("LC_CTYPE").constData());
+        }
+        if (!lang || lang[0] == 0 || strcmp(lang, "C") == 0) {
+            if (lang) delete [] lang;
+            lang = qstrdup(qgetenv("LANG").constData());
+        }
+
+        // Now try these in order:
+        // 1. CODESET from ctype if it contains a .CODESET part (e.g. en_US.ISO8859-15)
+        // 2. CODESET from lang if it contains a .CODESET part
+        // 3. ctype (maybe the locale is named "ISO-8859-1" or something)
+        // 4. locale (ditto)
+        // 5. check for "@euro"
+        // 6. guess locale from ctype unless ctype is "C"
+        // 7. guess locale from lang
+
+        // 1. CODESET from ctype if it contains a .CODESET part (e.g. en_US.ISO8859-15)
+        char * codeset = ctype ? strchr(ctype, '.') : 0;
+        if (codeset && *codeset == '.')
+            localeMapper = checkForCodec(codeset + 1);
+
+        // 2. CODESET from lang if it contains a .CODESET part
+        codeset = lang ? strchr(lang, '.') : 0;
+        if (!localeMapper && codeset && *codeset == '.')
+            localeMapper = checkForCodec(codeset + 1);
+
+        // 3. ctype (maybe the locale is named "ISO-8859-1" or something)
+        if (!localeMapper && ctype && *ctype != 0 && strcmp (ctype, "C") != 0)
+            localeMapper = checkForCodec(ctype);
+
+        // 4. locale (ditto)
+        if (!localeMapper && lang && *lang != 0)
+            localeMapper = checkForCodec(lang);
+
+        // 5. "@euro"
+        if ((!localeMapper && ctype && strstr(ctype, "@euro")) || (lang && strstr(lang, "@euro")))
+            localeMapper = checkForCodec("ISO 8859-15");
+
+        // 6. guess locale from ctype unless ctype is "C"
+        // 7. guess locale from lang
+        char * try_by_name = ctype;
+        if (ctype && *ctype != 0 && strcmp (ctype, "C") != 0)
+            try_by_name = lang;
+
+        // Now do the guessing.
+        if (lang && *lang && !localeMapper && try_by_name && *try_by_name) {
+            if (try_locale_list(iso8859_15locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-15");
+            else if (try_locale_list(iso8859_2locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-2");
+            else if (try_locale_list(iso8859_3locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-3");
+            else if (try_locale_list(iso8859_4locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-4");
+            else if (try_locale_list(iso8859_5locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-5");
+            else if (try_locale_list(iso8859_6locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-6");
+            else if (try_locale_list(iso8859_7locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-7");
+            else if (try_locale_list(iso8859_8locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-8-I");
+            else if (try_locale_list(iso8859_9locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-9");
+            else if (try_locale_list(iso8859_13locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-13");
+            else if (try_locale_list(tis_620locales, lang))
+                localeMapper = QTextCodec::codecForName("ISO 8859-11");
+            else if (try_locale_list(koi8_ulocales, lang))
+                localeMapper = QTextCodec::codecForName("KOI8-U");
+            else if (try_locale_list(cp_1251locales, lang))
+                localeMapper = QTextCodec::codecForName("CP 1251");
+            else if (try_locale_list(pt_154locales, lang))
+                localeMapper = QTextCodec::codecForName("PT 154");
+            else if (try_locale_list(probably_koi8_rlocales, lang))
+                localeMapper = ru_RU_hack(lang);
+        }
+
+        delete [] ctype;
+        delete [] lang;
+    }
+
+    // If everything failed, we default to 8859-1
+    // We could perhaps default to 8859-15.
+    if (!localeMapper)
+        localeMapper = QTextCodec::codecForName("ISO 8859-1");
+#endif
+}
+
+
+static void setup()
+{
+#ifndef QT_NO_THREAD
+    QMutexLocker locker(QMutexPool::globalInstanceGet(&all));
+#endif
+
+    if (all)
+        return;
+
+    if (destroying_is_ok)
+        qWarning("QTextCodec: Creating new codec during codec cleanup");
+    all = new QList<QTextCodec*>;
+    // create the cleanup object to cleanup all codecs on exit
+    (void) createQTextCodecCleanup();
+
+#ifndef QT_NO_CODECS
+#  if defined(Q_WS_X11) && !defined(QT_BOOTSTRAPPED)
+    // no font codecs when bootstrapping
+    (void)new QFontLaoCodec;
+#    if defined(QT_NO_ICONV)
+    // no iconv(3) support, must build all codecs into the library
+    (void)new QFontGb2312Codec;
+    (void)new QFontGbkCodec;
+    (void)new QFontGb18030_0Codec;
+    (void)new QFontJis0208Codec;
+    (void)new QFontJis0201Codec;
+    (void)new QFontKsc5601Codec;
+    (void)new QFontBig5hkscsCodec;
+    (void)new QFontBig5Codec;
+#    endif // QT_NO_ICONV && !QT_BOOTSTRAPPED
+#  endif // Q_WS_X11
+
+    (void)new QTsciiCodec;
+
+    for (int i = 0; i < 9; ++i)
+        (void)new QIsciiCodec(i);
+
+
+#  if defined(QT_NO_ICONV) && !defined(QT_BOOTSTRAPPED)
+    // no asian codecs when bootstrapping, sorry
+    (void)new QGb18030Codec;
+    (void)new QGbkCodec;
+    (void)new QGb2312Codec;
+    (void)new QEucJpCodec;
+    (void)new QJisCodec;
+    (void)new QSjisCodec;
+    (void)new QEucKrCodec;
+    (void)new QBig5Codec;
+    (void)new QBig5hkscsCodec;
+#  endif // QT_NO_ICONV && !QT_BOOTSTRAPPED
+#endif // QT_NO_CODECS
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    (void) new QWindowsLocalCodec;
+#endif // Q_OS_WIN32
+
+    (void)new QUtf16Codec;
+    (void)new QUtf16BECodec;
+    (void)new QUtf16LECodec;
+    (void)new QUtf32Codec;
+    (void)new QUtf32BECodec;
+    (void)new QUtf32LECodec;
+    (void)new QLatin15Codec;
+    (void)new QLatin1Codec;
+    (void)new QUtf8Codec;
+
+    for (int i = 0; i < QSimpleTextCodec::numSimpleCodecs; ++i)
+        (void)new QSimpleTextCodec(i);
+
+#if defined(Q_OS_UNIX) && !defined(QT_NO_ICONV) && !defined(QT_BOOTSTRAPPED)
+    // QIconvCodec depends on the UTF-16 codec, so it needs to be created last
+    (void) new QIconvCodec();
+#endif
+
+    if (!localeMapper)
+        setupLocaleMapper();
+}
+
+QTextCodec::ConverterState::~ConverterState()
+{
+    if (flags & FreeFunction)
+        (QTextCodecUnalignedPointer::decode(state_data))(this);
+    else if (d)
+        qFree(d);
+}
+
+/*!
+    \class QTextCodec
+    \brief The QTextCodec class provides conversions between text encodings.
+    \reentrant
+    \ingroup i18n
+
+    Qt uses Unicode to store, draw and manipulate strings. In many
+    situations you may wish to deal with data that uses a different
+    encoding. For example, most Japanese documents are still stored
+    in Shift-JIS or ISO 2022-JP, while Russian users often have their
+    documents in KOI8-R or Windows-1251.
+
+    Qt provides a set of QTextCodec classes to help with converting
+    non-Unicode formats to and from Unicode. You can also create your
+    own codec classes.
+
+    The supported encodings are:
+
+    \list
+    \o Apple Roman
+    \o \l{Big5 Text Codec}{Big5}
+    \o \l{Big5-HKSCS Text Codec}{Big5-HKSCS}
+    \o CP949
+    \o \l{EUC-JP Text Codec}{EUC-JP}
+    \o \l{EUC-KR Text Codec}{EUC-KR}
+    \o \l{GBK Text Codec}{GB18030-0}
+    \o IBM 850
+    \o IBM 866
+    \o IBM 874
+    \o \l{ISO 2022-JP (JIS) Text Codec}{ISO 2022-JP}
+    \o ISO 8859-1 to 10
+    \o ISO 8859-13 to 16
+    \o Iscii-Bng, Dev, Gjr, Knd, Mlm, Ori, Pnj, Tlg, and Tml
+    \o JIS X 0201
+    \o JIS X 0208
+    \o KOI8-R
+    \o KOI8-U
+    \o MuleLao-1
+    \o ROMAN8
+    \o \l{Shift-JIS Text Codec}{Shift-JIS}
+    \o TIS-620
+    \o \l{TSCII Text Codec}{TSCII}
+    \o UTF-8
+    \o UTF-16
+    \o UTF-16BE
+    \o UTF-16LE
+    \o UTF-32
+    \o UTF-32BE
+    \o UTF-32LE
+    \o Windows-1250 to 1258
+    \o WINSAMI2
+    \endlist
+
+    QTextCodecs can be used as follows to convert some locally encoded
+    string to Unicode. Suppose you have some string encoded in Russian
+    KOI8-R encoding, and want to convert it to Unicode. The simple way
+    to do it is like this:
+
+    \snippet doc/src/snippets/code/src_corelib_codecs_qtextcodec.cpp 0
+
+    After this, \c string holds the text converted to Unicode.
+    Converting a string from Unicode to the local encoding is just as
+    easy:
+
+    \snippet doc/src/snippets/code/src_corelib_codecs_qtextcodec.cpp 1
+
+    To read or write files in various encodings, use QTextStream and
+    its \l{QTextStream::setCodec()}{setCodec()} function. See the
+    \l{tools/codecs}{Codecs} example for an application of QTextCodec
+    to file I/O.
+
+    Some care must be taken when trying to convert the data in chunks,
+    for example, when receiving it over a network. In such cases it is
+    possible that a multi-byte character will be split over two
+    chunks. At best this might result in the loss of a character and
+    at worst cause the entire conversion to fail.
+
+    The approach to use in these situations is to create a QTextDecoder
+    object for the codec and use this QTextDecoder for the whole
+    decoding process, as shown below:
+
+    \snippet doc/src/snippets/code/src_corelib_codecs_qtextcodec.cpp 2
+
+    The QTextDecoder object maintains state between chunks and therefore
+    works correctly even if a multi-byte character is split between
+    chunks.
+
+    \section1 Creating Your Own Codec Class
+
+    Support for new text encodings can be added to Qt by creating
+    QTextCodec subclasses.
+
+    The pure virtual functions describe the encoder to the system and
+    the coder is used as required in the different text file formats
+    supported by QTextStream, and under X11, for the locale-specific
+    character input and output.
+
+    To add support for another encoding to Qt, make a subclass of
+    QTextCodec and implement the functions listed in the table below.
+
+    \table
+    \header \o Function \o Description
+
+    \row \o name()
+         \o Returns the official name for the encoding. If the
+            encoding is listed in the
+            \l{IANA character-sets encoding file}, the name
+            should be the preferred MIME name for the encoding.
+
+    \row \o aliases()
+         \o Returns a list of alternative names for the encoding.
+            QTextCodec provides a default implementation that returns
+            an empty list. For example, "ISO-8859-1" has "latin1",
+            "CP819", "IBM819", and "iso-ir-100" as aliases.
+
+    \row \o mibEnum()
+         \o Return the MIB enum for the encoding if it is listed in
+            the \l{IANA character-sets encoding file}.
+
+    \row \o convertToUnicode()
+         \o Converts an 8-bit character string to Unicode.
+
+    \row \o convertFromUnicode()
+         \o Converts a Unicode string to an 8-bit character string.
+    \endtable
+
+    You may find it more convenient to make your codec class
+    available as a plugin; see \l{How to Create Qt Plugins} for
+    details.
+
+    \sa QTextStream, QTextDecoder, QTextEncoder, {Codecs Example}
+*/
+
+/*!
+    \enum QTextCodec::ConversionFlag
+
+    \value DefaultConversion  No flag is set.
+    \value ConvertInvalidToNull  If this flag is set, each invalid input
+                                 character is output as a null character.
+    \value IgnoreHeader  Ignore any Unicode byte-order mark and don't generate any.
+
+    \omitvalue FreeFunction
+*/
+
+/*!
+    \fn QTextCodec::ConverterState::ConverterState(ConversionFlags flags)
+
+    Constructs a ConverterState object initialized with the given \a flags.
+*/
+
+/*!
+    \fn QTextCodec::ConverterState::~ConverterState()
+
+    Destroys the ConverterState object.
+*/
+
+/*!
+    \nonreentrant
+
+    Constructs a QTextCodec, and gives it the highest precedence. The
+    QTextCodec should always be constructed on the heap (i.e. with \c
+    new). Qt takes ownership and will delete it when the application
+    terminates.
+*/
+QTextCodec::QTextCodec()
+{
+    setup();
+    all->prepend(this);
+}
+
+
+/*!
+    \nonreentrant
+
+    Destroys the QTextCodec. Note that you should not delete codecs
+    yourself: once created they become Qt's responsibility.
+*/
+QTextCodec::~QTextCodec()
+{
+    if (!destroying_is_ok)
+        qWarning("QTextCodec::~QTextCodec: Called by application");
+    if (all)
+        all->removeAll(this);
+}
+
+/*!
+    \fn QTextCodec *QTextCodec::codecForName(const char *name)
+
+    Searches all installed QTextCodec objects and returns the one
+    which best matches \a name; the match is case-insensitive. Returns
+    0 if no codec matching the name \a name could be found.
+*/
+
+/*!
+    Searches all installed QTextCodec objects and returns the one
+    which best matches \a name; the match is case-insensitive. Returns
+    0 if no codec matching the name \a name could be found.
+*/
+QTextCodec *QTextCodec::codecForName(const QByteArray &name)
+{
+    if (name.isEmpty())
+        return 0;
+
+    setup();
+
+    for (int i = 0; i < all->size(); ++i) {
+        QTextCodec *cursor = all->at(i);
+        if (nameMatch(cursor->name(), name))
+            return cursor;
+        QList<QByteArray> aliases = cursor->aliases();
+        for (int i = 0; i < aliases.size(); ++i)
+            if (nameMatch(aliases.at(i), name))
+                return cursor;
+    }
+
+    return createForName(name);
+}
+
+
+/*!
+    Returns the QTextCodec which matches the \link
+    QTextCodec::mibEnum() MIBenum\endlink \a mib.
+*/
+QTextCodec* QTextCodec::codecForMib(int mib)
+{
+    setup();
+
+    // Qt 3 used 1000 (mib for UCS2) as its identifier for the utf16 codec. Map
+    // this correctly for compatibility.
+    if (mib == 1000)
+        mib = 1015;
+
+    QList<QTextCodec*>::ConstIterator i;
+    for (int i = 0; i < all->size(); ++i) {
+        QTextCodec *cursor = all->at(i);
+        if (cursor->mibEnum() == mib)
+            return cursor;
+    }
+
+    return createForMib(mib);
+}
+
+/*!
+    Returns the list of all available codecs, by name. Call
+    QTextCodec::codecForName() to obtain the QTextCodec for the name.
+
+    The list may contain many mentions of the same codec
+    if the codec has aliases.
+
+    \sa availableMibs(), name(), aliases()
+*/
+QList<QByteArray> QTextCodec::availableCodecs()
+{
+    setup();
+
+    QList<QByteArray> codecs;
+    for (int i = 0; i < all->size(); ++i) {
+        codecs += all->at(i)->name();
+        codecs += all->at(i)->aliases();
+    }
+#ifndef QT_NO_TEXTCODECPLUGIN
+    QFactoryLoader *l = loader();
+    QStringList keys = l->keys();
+    for (int i = 0; i < keys.size(); ++i) {
+        if (!keys.at(i).startsWith(QLatin1String("MIB: "))) {
+            QByteArray name = keys.at(i).toLatin1();
+            if (!codecs.contains(name))
+                codecs += name;
+        }
+    }
+#endif
+
+    return codecs;
+}
+
+/*!
+    Returns the list of MIBs for all available codecs. Call
+    QTextCodec::codecForMib() to obtain the QTextCodec for the MIB.
+
+    \sa availableCodecs(), mibEnum()
+*/
+QList<int> QTextCodec::availableMibs()
+{
+    setup();
+
+    QList<int> codecs;
+    for (int i = 0; i < all->size(); ++i)
+        codecs += all->at(i)->mibEnum();
+#ifndef QT_NO_TEXTCODECPLUGIN
+    QFactoryLoader *l = loader();
+    QStringList keys = l->keys();
+    for (int i = 0; i < keys.size(); ++i) {
+        if (keys.at(i).startsWith(QLatin1String("MIB: "))) {
+            int mib = keys.at(i).mid(5).toInt();
+            if (!codecs.contains(mib))
+                codecs += mib;
+        }
+    }
+#endif
+
+    return codecs;
+}
+
+/*!
+    Set the codec to \a c; this will be returned by
+    codecForLocale(). If \a c is a null pointer, the codec is reset to
+    the default.
+
+    This might be needed for some applications that want to use their
+    own mechanism for setting the locale.
+
+    Setting this codec is not supported on DOS based Windows.
+
+    \sa codecForLocale()
+*/
+void QTextCodec::setCodecForLocale(QTextCodec *c)
+{
+#ifdef Q_WS_WIN
+    if (QSysInfo::WindowsVersion& QSysInfo::WV_DOS_based)
+	return;
+#endif
+    localeMapper = c;
+    if (!localeMapper)
+        setupLocaleMapper();
+}
+
+/*!
+    Returns a pointer to the codec most suitable for this locale.
+
+    On Windows, the codec will be based on a system locale. On Unix
+    systems, starting with Qt 4.2, the codec will be using the \e
+    iconv library. Note that in both cases the codec's name will be
+    "System".
+*/
+
+QTextCodec* QTextCodec::codecForLocale()
+{
+    if (localeMapper)
+        return localeMapper;
+
+    setup();
+
+    return localeMapper;
+}
+
+
+/*!
+    \fn QByteArray QTextCodec::name() const
+
+    QTextCodec subclasses must reimplement this function. It returns
+    the name of the encoding supported by the subclass.
+
+    If the codec is registered as a character set in the
+    \l{IANA character-sets encoding file} this method should
+    return the preferred mime name for the codec if defined,
+    otherwise its name.
+*/
+
+/*!
+    \fn int QTextCodec::mibEnum() const
+
+    Subclasses of QTextCodec must reimplement this function. It
+    returns the MIBenum (see \l{IANA character-sets encoding file}
+    for more information). It is important that each QTextCodec
+    subclass returns the correct unique value for this function.
+*/
+
+/*!
+  Subclasses can return a number of aliases for the codec in question.
+
+  Standard aliases for codecs can be found in the
+  \l{IANA character-sets encoding file}.
+*/
+QList<QByteArray> QTextCodec::aliases() const
+{
+    return QList<QByteArray>();
+}
+
+/*!
+    \fn QString QTextCodec::convertToUnicode(const char *chars, int len,
+                                             ConverterState *state) const
+
+    QTextCodec subclasses must reimplement this function.
+
+    Converts the first \a len characters of \a chars from the
+    encoding of the subclass to Unicode, and returns the result in a
+    QString.
+
+    \a state can be 0, in which case the conversion is stateless and
+    default conversion rules should be used. If state is not 0, the
+    codec should save the state after the conversion in \a state, and
+    adjust the remainingChars and invalidChars members of the struct.
+*/
+
+/*!
+    \fn QByteArray QTextCodec::convertFromUnicode(const QChar *input, int number,
+                                                  ConverterState *state) const
+
+    QTextCodec subclasses must reimplement this function.
+
+    Converts the first \a number of characters from the \a input array
+    from Unicode to the encoding of the subclass, and returns the result
+    in a QByteArray.
+
+    \a state can be 0 in which case the conversion is stateless and
+    default conversion rules should be used. If state is not 0, the
+    codec should save the state after the conversion in \a state, and
+    adjust the remainingChars and invalidChars members of the struct.
+*/
+
+/*!
+    Creates a QTextDecoder which stores enough state to decode chunks
+    of \c{char *} data to create chunks of Unicode data.
+
+    The caller is responsible for deleting the returned object.
+*/
+QTextDecoder* QTextCodec::makeDecoder() const
+{
+    return new QTextDecoder(this);
+}
+
+
+/*!
+    Creates a QTextEncoder which stores enough state to encode chunks
+    of Unicode data as \c{char *} data.
+
+    The caller is responsible for deleting the returned object.
+*/
+QTextEncoder* QTextCodec::makeEncoder() const
+{
+    return new QTextEncoder(this);
+}
+
+/*!
+    \fn QByteArray QTextCodec::fromUnicode(const QChar *input, int number,
+                                           ConverterState *state) const
+
+    Converts the first \a number of characters from the \a input array
+    from Unicode to the encoding of this codec, and returns the result
+    in a QByteArray.
+
+    The \a state of the convertor used is updated.
+*/
+
+/*!
+    Converts \a str from Unicode to the encoding of this codec, and
+    returns the result in a QByteArray.
+*/
+QByteArray QTextCodec::fromUnicode(const QString& str) const
+{
+    return convertFromUnicode(str.constData(), str.length(), 0);
+}
+
+/*!
+    \fn QString QTextCodec::toUnicode(const char *input, int size,
+                                      ConverterState *state) const
+
+    Converts the first \a size characters from the \a input from the
+    encoding of this codec to Unicode, and returns the result in a
+    QString.
+
+    The \a state of the convertor used is updated.
+*/
+
+/*!
+    Converts \a a from the encoding of this codec to Unicode, and
+    returns the result in a QString.
+*/
+QString QTextCodec::toUnicode(const QByteArray& a) const
+{
+    return convertToUnicode(a.constData(), a.length(), 0);
+}
+
+/*!
+    Returns true if the Unicode character \a ch can be fully encoded
+    with this codec; otherwise returns false.
+*/
+bool QTextCodec::canEncode(QChar ch) const
+{
+    ConverterState state;
+    state.flags = ConvertInvalidToNull;
+    convertFromUnicode(&ch, 1, &state);
+    return (state.invalidChars == 0);
+}
+
+/*!
+    \overload
+
+    \a s contains the string being tested for encode-ability.
+*/
+bool QTextCodec::canEncode(const QString& s) const
+{
+    ConverterState state;
+    state.flags = ConvertInvalidToNull;
+    convertFromUnicode(s.constData(), s.length(), &state);
+    return (state.invalidChars == 0);
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    Returns a string representing the current language and
+    sublanguage, e.g. "pt" for Portuguese, or "pt_br" for Portuguese/Brazil.
+
+    \sa QLocale
+*/
+const char *QTextCodec::locale()
+{
+    static char locale[6];
+    QByteArray l = QLocale::system().name().toLatin1();
+    int len = qMin(l.length(), 5);
+    memcpy(locale, l.constData(), len);
+    locale[len] = '\0';
+
+    return locale;
+}
+
+/*!
+    \overload
+*/
+
+QByteArray QTextCodec::fromUnicode(const QString& uc, int& lenInOut) const
+{
+    QByteArray result = convertFromUnicode(uc.constData(), lenInOut, 0);
+    lenInOut = result.length();
+    return result;
+}
+
+/*!
+    \overload
+
+    \a a contains the source characters; \a len contains the number of
+    characters in \a a to use.
+*/
+QString QTextCodec::toUnicode(const QByteArray& a, int len) const
+{
+    len = qMin(a.size(), len);
+    return convertToUnicode(a.constData(), len, 0);
+}
+#endif
+
+/*!
+    \overload
+
+    \a chars contains the source characters.
+*/
+QString QTextCodec::toUnicode(const char *chars) const
+{
+    int len = qstrlen(chars);
+    return convertToUnicode(chars, len, 0);
+}
+
+
+/*!
+    \class QTextEncoder
+    \brief The QTextEncoder class provides a state-based encoder.
+    \reentrant
+    \ingroup i18n
+
+    A text encoder converts text from Unicode into an encoded text format
+    using a specific codec.
+
+    The encoder converts Unicode into another format, remembering any
+    state that is required between calls.
+
+    \sa QTextCodec::makeEncoder(), QTextDecoder
+*/
+
+/*!
+    \fn QTextEncoder::QTextEncoder(const QTextCodec *codec)
+
+    Constructs a text encoder for the given \a codec.
+*/
+
+/*!
+    Destroys the encoder.
+*/
+QTextEncoder::~QTextEncoder()
+{
+}
+
+/*! \internal
+    \since 4.5
+    Determines whether the eecoder encountered a failure while decoding the input. If
+    an error was encountered, the produced result is undefined, and gets converted as according
+    to the conversion flags.
+ */
+bool QTextEncoder::hasFailure() const
+{
+    return state.invalidChars != 0;
+}
+
+/*!
+    Converts the Unicode string \a str into an encoded QByteArray.
+*/
+QByteArray QTextEncoder::fromUnicode(const QString& str)
+{
+    QByteArray result = c->fromUnicode(str.constData(), str.length(), &state);
+    return result;
+}
+
+/*!
+    \overload
+
+    Converts \a len characters (not bytes) from \a uc, and returns the
+    result in a QByteArray.
+*/
+QByteArray QTextEncoder::fromUnicode(const QChar *uc, int len)
+{
+    QByteArray result = c->fromUnicode(uc, len, &state);
+    return result;
+}
+
+#ifdef QT3_SUPPORT
+/*!
+  \overload
+
+  Converts \a lenInOut characters (not bytes) from \a uc, and returns the
+  result in a QByteArray. The number of characters read is returned in
+  the \a lenInOut parameter.
+*/
+QByteArray QTextEncoder::fromUnicode(const QString& uc, int& lenInOut)
+{
+    QByteArray result = c->fromUnicode(uc.constData(), lenInOut, &state);
+    lenInOut = result.length();
+    return result;
+}
+#endif
+
+/*!
+    \class QTextDecoder
+    \brief The QTextDecoder class provides a state-based decoder.
+    \reentrant
+    \ingroup i18n
+
+    A text decoder converts text from an encoded text format into Unicode
+    using a specific codec.
+
+    The decoder converts text in this format into Unicode, remembering any
+    state that is required between calls.
+
+    \sa QTextCodec::makeDecoder(), QTextEncoder
+*/
+
+/*!
+    \fn QTextDecoder::QTextDecoder(const QTextCodec *codec)
+
+    Constructs a text decoder for the given \a codec.
+*/
+
+/*!
+    Destroys the decoder.
+*/
+QTextDecoder::~QTextDecoder()
+{
+}
+
+/*!
+    \fn QString QTextDecoder::toUnicode(const char *chars, int len)
+
+    Converts the first \a len bytes in \a chars to Unicode, returning
+    the result.
+
+    If not all characters are used (e.g. if only part of a multi-byte
+    encoding is at the end of the characters), the decoder remembers
+    enough state to continue with the next call to this function.
+*/
+QString QTextDecoder::toUnicode(const char *chars, int len)
+{
+    return c->toUnicode(chars, len, &state);
+}
+
+
+/*! \overload
+
+    The converted string is returned in \a target.
+ */
+void QTextDecoder::toUnicode(QString *target, const char *chars, int len)
+{
+    Q_ASSERT(target);
+    switch (c->mibEnum()) {
+    case 106: // utf8
+        static_cast<const QUtf8Codec*>(c)->convertToUnicode(target, chars, len, &state);
+        break;
+    case 4: { // latin1
+        target->resize(len);
+        ushort *data = (ushort*)target->data();
+        for (int i = len; i >=0; --i)
+            data[i] = (uchar) chars[i];
+    } break;
+    default:
+        *target = c->toUnicode(chars, len, &state);
+    }
+}
+
+
+/*!
+    \overload
+
+    Converts the bytes in the byte array specified by \a ba to Unicode
+    and returns the result.
+*/
+QString QTextDecoder::toUnicode(const QByteArray &ba)
+{
+    return c->toUnicode(ba.constData(), ba.length(), &state);
+}
+
+
+/*!
+    \fn QTextCodec* QTextCodec::codecForTr()
+
+    Returns the codec used by QObject::tr() on its argument. If this
+    function returns 0 (the default), tr() assumes Latin-1.
+
+    \sa setCodecForTr()
+*/
+
+/*!
+    \fn void QTextCodec::setCodecForTr(QTextCodec *c)
+    \nonreentrant
+
+    Sets the codec used by QObject::tr() on its argument to \a c. If
+    \a c is 0 (the default), tr() assumes Latin-1.
+
+    If the literal quoted text in the program is not in the Latin-1
+    encoding, this function can be used to set the appropriate
+    encoding. For example, software developed by Korean programmers
+    might use eucKR for all the text in the program, in which case the
+    main() function might look like this:
+
+    \snippet doc/src/snippets/code/src_corelib_codecs_qtextcodec.cpp 3
+
+    Note that this is not the way to select the encoding that the \e
+    user has chosen. For example, to convert an application containing
+    literal English strings to Korean, all that is needed is for the
+    English strings to be passed through tr() and for translation
+    files to be loaded. For details of internationalization, see
+    \l{Internationalization with Qt}.
+
+    \sa codecForTr(), setCodecForCStrings()
+*/
+
+
+/*!
+    \fn QTextCodec* QTextCodec::codecForCStrings()
+
+    Returns the codec used by QString to convert to and from \c{const
+    char *} and QByteArrays. If this function returns 0 (the default),
+    QString assumes Latin-1.
+
+    \sa setCodecForCStrings()
+*/
+
+/*!
+    \fn void QTextCodec::setCodecForCStrings(QTextCodec *codec)
+    \nonreentrant
+
+    Sets the codec used by QString to convert to and from \c{const
+    char *} and QByteArrays. If the \a codec is 0 (the default),
+    QString assumes Latin-1.
+
+    \warning Some codecs do not preserve the characters in the ASCII
+    range (0x00 to 0x7F). For example, the Japanese Shift-JIS
+    encoding maps the backslash character (0x5A) to the Yen
+    character. To avoid undesirable side-effects, we recommend
+    avoiding such codecs with setCodecsForCString().
+
+    \sa codecForCStrings(), setCodecForTr()
+*/
+
+/*!
+    \since 4.4
+
+    Tries to detect the encoding of the provided snippet of HTML in the given byte array, \a ba,
+    and returns a QTextCodec instance that is capable of decoding the html to unicode.
+    If the codec cannot be detected from the content provided, \a defaultCodec is returned.
+*/
+QTextCodec *QTextCodec::codecForHtml(const QByteArray &ba, QTextCodec *defaultCodec)
+{
+    // determine charset
+    int pos;
+    QTextCodec *c = 0;
+
+    if (ba.size() > 1 && (((uchar)ba[0] == 0xfe && (uchar)ba[1] == 0xff)
+                          || ((uchar)ba[0] == 0xff && (uchar)ba[1] == 0xfe))) {
+        c = QTextCodec::codecForMib(1015); // utf16
+    } else if (ba.size() > 2
+             && (uchar)ba[0] == 0xef
+             && (uchar)ba[1] == 0xbb
+             && (uchar)ba[2] == 0xbf) {
+        c = QTextCodec::codecForMib(106); // utf-8
+    } else {
+        QByteArray header = ba.left(512).toLower();
+        if ((pos = header.indexOf("http-equiv=")) != -1) {
+            pos = header.indexOf("charset=", pos) + int(strlen("charset="));
+            if (pos != -1) {
+                int pos2 = header.indexOf('\"', pos+1);
+                QByteArray cs = header.mid(pos, pos2-pos);
+                //            qDebug("found charset: %s", cs.data());
+                c = QTextCodec::codecForName(cs);
+            }
+        }
+    }
+    if (!c)
+        c = defaultCodec;
+
+    return c;
+}
+
+/*!
+  \overload
+
+  If the codec cannot be detected, this overload returns a Latin-1 QTextCodec.
+*/
+QTextCodec *QTextCodec::codecForHtml(const QByteArray &ba)
+{
+    return codecForHtml(ba, QTextCodec::codecForMib(/*Latin 1*/ 4));
+}
+
+
+/*! \internal
+    \since 4.3
+    Determines whether the decoder encountered a failure while decoding the input. If
+    an error was encountered, the produced result is undefined, and gets converted as according
+    to the conversion flags.
+ */
+bool QTextDecoder::hasFailure() const
+{
+    return state.invalidChars != 0;
+}
+
+/*!
+    \fn QTextCodec *QTextCodec::codecForContent(const char *str, int size)
+
+    This functionality is no longer provided by Qt. This
+    compatibility function always returns a null pointer.
+*/
+
+/*!
+    \fn QTextCodec *QTextCodec::codecForName(const char *hint, int accuracy)
+
+    Use the codecForName(const QByteArray &) overload instead.
+*/
+
+/*!
+    \fn QTextCodec *QTextCodec::codecForIndex(int i)
+
+    Use availableCodecs() or availableMibs() instead and iterate
+    through the resulting list.
+*/
+
+
+/*!
+    \fn QByteArray QTextCodec::mimeName() const
+
+    Use name() instead.
+*/
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_TEXTCODEC
diff --git a/src/corelib/codecs/qtextcodec.h b/src/corelib/codecs/qtextcodec.h
new file mode 100644
index 0000000000..e32650fb4b
--- /dev/null
+++ b/src/corelib/codecs/qtextcodec.h
@@ -0,0 +1,189 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEXTCODEC_H
+#define QTEXTCODEC_H
+
+#include <QtCore/qstring.h>
+#include <QtCore/qlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_TEXTCODEC
+
+class QTextCodec;
+class QIODevice;
+
+class QTextDecoder;
+class QTextEncoder;
+
+class Q_CORE_EXPORT QTextCodec
+{
+    Q_DISABLE_COPY(QTextCodec)
+public:
+    static QTextCodec* codecForName(const QByteArray &name);
+    static QTextCodec* codecForName(const char *name) { return codecForName(QByteArray(name)); }
+    static QTextCodec* codecForMib(int mib);
+
+    static QList<QByteArray> availableCodecs();
+    static QList<int> availableMibs();
+
+    static QTextCodec* codecForLocale();
+    static void setCodecForLocale(QTextCodec *c);
+
+    static QTextCodec* codecForTr();
+    static void setCodecForTr(QTextCodec *c);
+
+    static QTextCodec* codecForCStrings();
+    static void setCodecForCStrings(QTextCodec *c);
+
+    static QTextCodec *codecForHtml(const QByteArray &ba);
+    static QTextCodec *codecForHtml(const QByteArray &ba, QTextCodec *defaultCodec);
+
+    QTextDecoder* makeDecoder() const;
+    QTextEncoder* makeEncoder() const;
+
+    bool canEncode(QChar) const;
+    bool canEncode(const QString&) const;
+
+    QString toUnicode(const QByteArray&) const;
+    QString toUnicode(const char* chars) const;
+    QByteArray fromUnicode(const QString& uc) const;
+    enum ConversionFlag {
+        DefaultConversion,
+        ConvertInvalidToNull = 0x80000000,
+        IgnoreHeader = 0x1,
+        FreeFunction = 0x2
+    };
+    Q_DECLARE_FLAGS(ConversionFlags, ConversionFlag)
+
+    struct Q_CORE_EXPORT ConverterState {
+        ConverterState(ConversionFlags f = DefaultConversion)
+            : flags(f), remainingChars(0), invalidChars(0), d(0) { state_data[0] = state_data[1] = state_data[2] = 0; }
+        ~ConverterState();
+        ConversionFlags flags;
+        int remainingChars;
+        int invalidChars;
+        uint state_data[3];
+        void *d;
+    private:
+        Q_DISABLE_COPY(ConverterState)
+    };
+
+    QString toUnicode(const char *in, int length, ConverterState *state = 0) const
+        { return convertToUnicode(in, length, state); }
+    QByteArray fromUnicode(const QChar *in, int length, ConverterState *state = 0) const
+        { return convertFromUnicode(in, length, state); }
+
+    virtual QByteArray name() const = 0;
+    virtual QList<QByteArray> aliases() const;
+    virtual int mibEnum() const = 0;
+
+protected:
+    virtual QString convertToUnicode(const char *in, int length, ConverterState *state) const = 0;
+    virtual QByteArray convertFromUnicode(const QChar *in, int length, ConverterState *state) const = 0;
+
+    QTextCodec();
+    virtual ~QTextCodec();
+
+public:
+#ifdef QT3_SUPPORT
+    static QT3_SUPPORT QTextCodec* codecForContent(const char*, int) { return 0; }
+    static QT3_SUPPORT const char* locale();
+    static QT3_SUPPORT QTextCodec* codecForName(const char* hint, int) { return codecForName(QByteArray(hint)); }
+    QT3_SUPPORT QByteArray fromUnicode(const QString& uc, int& lenInOut) const;
+    QT3_SUPPORT QString toUnicode(const QByteArray&, int len) const;
+    QT3_SUPPORT QByteArray mimeName() const { return name(); }
+    static QT3_SUPPORT QTextCodec *codecForIndex(int i) { return codecForName(availableCodecs().value(i)); }
+#endif
+
+private:
+    friend class QTextCodecCleanup;
+    static QTextCodec *cftr;
+};
+Q_DECLARE_OPERATORS_FOR_FLAGS(QTextCodec::ConversionFlags)
+
+inline QTextCodec* QTextCodec::codecForTr() { return cftr; }
+inline void QTextCodec::setCodecForTr(QTextCodec *c) { cftr = c; }
+inline QTextCodec* QTextCodec::codecForCStrings() { return QString::codecForCStrings; }
+inline void QTextCodec::setCodecForCStrings(QTextCodec *c) { QString::codecForCStrings = c; }
+
+class Q_CORE_EXPORT QTextEncoder {
+    Q_DISABLE_COPY(QTextEncoder)
+public:
+    explicit QTextEncoder(const QTextCodec *codec) : c(codec), state() {}
+    ~QTextEncoder();
+    QByteArray fromUnicode(const QString& str);
+    QByteArray fromUnicode(const QChar *uc, int len);
+#ifdef QT3_SUPPORT
+    QByteArray fromUnicode(const QString& uc, int& lenInOut);
+#endif
+    bool hasFailure() const;
+private:
+    const QTextCodec *c;
+    QTextCodec::ConverterState state;
+};
+
+class Q_CORE_EXPORT QTextDecoder {
+    Q_DISABLE_COPY(QTextDecoder)
+public:
+    explicit QTextDecoder(const QTextCodec *codec) : c(codec), state() {}
+    ~QTextDecoder();
+    QString toUnicode(const char* chars, int len);
+    QString toUnicode(const QByteArray &ba);
+    void toUnicode(QString *target, const char *chars, int len);
+    bool hasFailure() const;
+private:
+    const QTextCodec *c;
+    QTextCodec::ConverterState state;
+};
+
+#endif // QT_NO_TEXTCODEC
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTEXTCODEC_H
diff --git a/src/corelib/codecs/qtextcodec_p.h b/src/corelib/codecs/qtextcodec_p.h
new file mode 100644
index 0000000000..39f643df7a
--- /dev/null
+++ b/src/corelib/codecs/qtextcodec_p.h
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEXTCODEC_P_H
+#define QTEXTCODEC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QTextCodec class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qtextcodec.h"
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_TEXTCODEC
+
+typedef void (*QTextCodecStateFreeFunction)(QTextCodec::ConverterState*);
+
+struct QTextCodecUnalignedPointer
+{
+    static inline QTextCodecStateFreeFunction decode(const uint *src)
+    {
+        quintptr data;
+        memcpy(&data, src, sizeof(data));
+        return reinterpret_cast<QTextCodecStateFreeFunction>(data);
+    }
+    static inline void encode(uint *dst, QTextCodecStateFreeFunction fn)
+    {
+        quintptr data = reinterpret_cast<quintptr>(fn);
+        memcpy(dst, &data, sizeof(data));
+    }
+};
+
+#endif //QT_NO_TEXTCODEC
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/codecs/qtextcodecplugin.cpp b/src/corelib/codecs/qtextcodecplugin.cpp
new file mode 100644
index 0000000000..7342b45a66
--- /dev/null
+++ b/src/corelib/codecs/qtextcodecplugin.cpp
@@ -0,0 +1,161 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtextcodecplugin.h"
+#include "qstringlist.h"
+
+#ifndef QT_NO_TEXTCODECPLUGIN
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QTextCodecPlugin
+    \brief The QTextCodecPlugin class provides an abstract base for custom QTextCodec plugins.
+    \reentrant
+    \ingroup plugins
+
+    The text codec plugin is a simple plugin interface that makes it
+    easy to create custom text codecs that can be loaded dynamically
+    into applications.
+
+    Writing a text codec plugin is achieved by subclassing this base
+    class, reimplementing the pure virtual functions names(),
+    aliases(), createForName(), mibEnums() and createForMib(), and
+    exporting the class with the Q_EXPORT_PLUGIN2() macro. See \l{How
+    to Create Qt Plugins} for details.
+
+    See the \l{http://www.iana.org/assignments/character-sets}{IANA
+    character-sets encoding file} for more information on mime
+    names and mib enums.
+*/
+
+/*!
+    \fn QStringList QTextCodecPlugin::names() const
+
+    Returns the list of MIME names supported by this plugin.
+
+    If a codec has several names, the extra names are returned by aliases().
+
+    \sa createForName(), aliases()
+*/
+
+/*!
+    \fn QList<QByteArray> QTextCodecPlugin::aliases() const
+
+    Returns the list of aliases supported by this plugin.
+*/
+
+/*!
+    \fn QTextCodec *QTextCodecPlugin::createForName(const QByteArray &name)
+
+    Creates a QTextCodec object for the codec called \a name. The \a name
+    must come from the list of encodings returned by names(). Encoding
+    names are case sensitive.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_codecs_qtextcodecplugin.cpp 0
+
+    \sa names()
+*/
+
+
+/*!
+    \fn QList<int> QTextCodecPlugin::mibEnums() const
+
+    Returns the list of mib enums supported by this plugin.
+
+    \sa createForMib()
+*/
+
+/*!
+    \fn QTextCodec *QTextCodecPlugin::createForMib(int mib);
+
+    Creates a QTextCodec object for the mib enum \a mib.
+
+    See \l{http://www.iana.org/assignments/character-sets}{the
+    IANA character-sets encoding file} for more information.
+
+    \sa mibEnums()
+*/
+
+/*!
+    Constructs a text codec plugin with the given \a parent. This is
+    invoked automatically by the Q_EXPORT_PLUGIN2() macro.
+*/
+QTextCodecPlugin::QTextCodecPlugin(QObject *parent)
+    : QObject(parent)
+{
+}
+
+/*!
+    Destroys the text codec plugin.
+
+    You never have to call this explicitly. Qt destroys a plugin
+    automatically when it is no longer used.
+*/
+QTextCodecPlugin::~QTextCodecPlugin()
+{
+}
+
+QStringList QTextCodecPlugin::keys() const
+{
+    QStringList keys;
+    QList<QByteArray> list = names();
+    list += aliases();
+    for (int i = 0; i < list.size(); ++i)
+        keys += QString::fromLatin1(list.at(i));
+    QList<int> mibs = mibEnums();
+    for (int i = 0; i < mibs.count(); ++i)
+        keys += QLatin1String("MIB: ") + QString::number(mibs.at(i));
+    return keys;
+}
+
+QTextCodec *QTextCodecPlugin::create(const QString &name)
+{
+    if (name.startsWith(QLatin1String("MIB: ")))
+        return createForMib(name.mid(4).toInt());
+    return createForName(name.toLatin1());
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_TEXTCODECPLUGIN
diff --git a/src/corelib/codecs/qtextcodecplugin.h b/src/corelib/codecs/qtextcodecplugin.h
new file mode 100644
index 0000000000..4600fecc3a
--- /dev/null
+++ b/src/corelib/codecs/qtextcodecplugin.h
@@ -0,0 +1,96 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEXTCODECPLUGIN_H
+#define QTEXTCODECPLUGIN_H
+
+#include <QtCore/qplugin.h>
+#include <QtCore/qfactoryinterface.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qbytearray.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_TEXTCODECPLUGIN
+
+class QTextCodec;
+
+struct Q_CORE_EXPORT QTextCodecFactoryInterface : public QFactoryInterface
+{
+    virtual QTextCodec *create(const QString &key) = 0;
+};
+
+#define QTextCodecFactoryInterface_iid "com.trolltech.Qt.QTextCodecFactoryInterface"
+
+Q_DECLARE_INTERFACE(QTextCodecFactoryInterface, QTextCodecFactoryInterface_iid)
+
+
+class Q_CORE_EXPORT QTextCodecPlugin : public QObject, public QTextCodecFactoryInterface
+{
+    Q_OBJECT
+    Q_INTERFACES(QTextCodecFactoryInterface:QFactoryInterface)
+public:
+    explicit QTextCodecPlugin(QObject *parent = 0);
+    ~QTextCodecPlugin();
+
+    virtual QList<QByteArray> names() const = 0;
+    virtual QList<QByteArray> aliases() const = 0;
+    virtual QTextCodec *createForName(const QByteArray &name) = 0;
+
+    virtual QList<int> mibEnums() const = 0;
+    virtual QTextCodec *createForMib(int mib) = 0;
+
+private:
+    QStringList keys() const;
+    QTextCodec *create(const QString &name);
+};
+
+#endif // QT_NO_TEXTCODECPLUGIN
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTEXTCODECPLUGIN_H
diff --git a/src/corelib/codecs/qtsciicodec.cpp b/src/corelib/codecs/qtsciicodec.cpp
new file mode 100644
index 0000000000..14d2c9c5f9
--- /dev/null
+++ b/src/corelib/codecs/qtsciicodec.cpp
@@ -0,0 +1,500 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// Most of the code here was originally written by Hans Petter Bieker,
+// and is included in Qt with the author's permission, and the grateful
+// thanks of the Trolltech team.
+
+#include "qtsciicodec_p.h"
+#include "qlist.h"
+
+#ifndef QT_NO_CODECS
+
+QT_BEGIN_NAMESPACE
+
+static unsigned char qt_UnicodeToTSCII(ushort u1, ushort u2, ushort u3);
+static unsigned int qt_TSCIIToUnicode(unsigned int code, uint *s);
+
+#define IsTSCIIChar(c)        (((c) >= 0x80) && ((c) <= 0xfd))
+
+/*! \class QTsciiCodec
+    \reentrant
+    \internal
+*/
+
+/*!
+    Destroys the text codec object.
+*/
+QTsciiCodec::~QTsciiCodec()
+{
+}
+
+/*!
+    Converts the first \a len characters in \a uc from Unicode to this
+    encoding, and returns the result in a byte array. The \a state contains
+    some conversion flags, and is used by the codec to maintain state
+    information.
+*/
+QByteArray QTsciiCodec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+{
+    char replacement = '?';
+    if (state) {
+        if (state->flags & ConvertInvalidToNull)
+            replacement = 0;
+    }
+    int invalid = 0;
+
+    QByteArray rstr;
+    rstr.resize(len);
+    uchar* cursor = (uchar*)rstr.data();
+    for (int i = 0; i < len; i++) {
+        QChar ch = uc[i];
+        uchar j;
+        if (ch.row() == 0x00 && ch.cell() < 0x80) {
+            // ASCII
+            j = ch.cell();
+        } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(),
+                                          uc[i + 1].unicode(),
+                                          uc[i + 2].unicode()))) {
+            // We have to check the combined chars first!
+            i += 2;
+        } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(),
+                                          uc[i + 1].unicode(), 0))) {
+            i++;
+        } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(), 0, 0))) {
+        } else {
+            // Error
+            j = replacement;
+            ++invalid;
+        }
+        *cursor++ = j;
+    }
+    rstr.resize(cursor - (const uchar*)rstr.constData());
+
+    if (state) {
+        state->invalidChars += invalid;
+    }
+    return rstr;
+}
+
+/*!
+    Converts the first \a len characters in \a chars from this encoding
+    to Unicode, and returns the result in a QString. The \a state contains
+    some conversion flags, and is used by the codec to maintain state
+    information.
+*/
+QString QTsciiCodec::convertToUnicode(const char* chars, int len, ConverterState *state) const
+{
+    QChar replacement = QChar::ReplacementCharacter;
+    if (state) {
+        if (state->flags & ConvertInvalidToNull)
+            replacement = QChar::Null;
+    }
+    int invalid = 0;
+
+    QString result;
+    for (int i = 0; i < len; i++) {
+        uchar ch = chars[i];
+        if (ch < 0x80) {
+            // ASCII
+            result += QLatin1Char(ch);
+        } else if (IsTSCIIChar(ch)) {
+            // TSCII
+            uint s[3];
+            uint u = qt_TSCIIToUnicode(ch, s);
+            uint *p = s;
+            while (u--) {
+                uint c = *p++;
+                if (c)
+                    result += QChar(c);
+                else {
+                    result += replacement;
+                    ++invalid;
+                }
+            }
+        } else {
+            // Invalid
+            result += replacement;
+            ++invalid;
+        }
+    }
+
+    if (state) {
+        state->invalidChars += invalid;
+    }
+    return result;
+}
+
+/*!
+    Returns the official name for the encoding that is handled by the codec.
+
+    \sa QTextCodec::name()
+*/
+QByteArray QTsciiCodec::name() const
+{
+    return "TSCII";
+}
+
+/*!
+    Returns the MIB enum for the encoding.
+
+    \sa QTextCodec::mibEnum()
+*/
+int QTsciiCodec::mibEnum() const
+{
+  /* There is no MIBEnum for TSCII now */
+  return -3197;
+}
+
+static const int UnToTsLast = 124; // 125 items -- so the last will be 124
+static const ushort UnToTs [][4] = {
+    // *Sorted* list of TSCII maping for unicode chars
+    //FIRST  SECOND  THIRD   TSCII
+    {0x00A0, 0x0000, 0x0000, 0xA0},
+    {0x00A9, 0x0000, 0x0000, 0xA9},
+    {0x0B83, 0x0000, 0x0000, 0xB7},
+    {0x0B85, 0x0000, 0x0000, 0xAB},
+    {0x0B86, 0x0000, 0x0000, 0xAC},
+    {0x0B87, 0x0000, 0x0000, 0xAD},
+    {0x0B88, 0x0000, 0x0000, 0xAE},
+    {0x0B89, 0x0000, 0x0000, 0xAF},
+    {0x0B8A, 0x0000, 0x0000, 0xB0},
+    {0x0B8E, 0x0000, 0x0000, 0xB1},
+    {0x0B8F, 0x0000, 0x0000, 0xB2},
+    {0x0B90, 0x0000, 0x0000, 0xB3},
+    {0x0B92, 0x0000, 0x0000, 0xB4},
+    {0x0B93, 0x0000, 0x0000, 0xB5},
+    {0x0B94, 0x0000, 0x0000, 0xB6},
+    {0x0B95, 0x0000, 0x0000, 0xB8},
+    {0x0B95, 0x0B82, 0x0000, 0xEC},
+    {0x0B95, 0x0BC1, 0x0000, 0xCC},
+    {0x0B95, 0x0BC2, 0x0000, 0xDC},
+    {0x0B99, 0x0000, 0x0000, 0xB9},
+    {0x0B99, 0x0B82, 0x0000, 0xED},
+    {0x0B99, 0x0BC1, 0x0000, 0x99},
+    {0x0B99, 0x0BC2, 0x0000, 0x9B},
+    {0x0B9A, 0x0000, 0x0000, 0xBA},
+    {0x0B9A, 0x0B82, 0x0000, 0xEE},
+    {0x0B9A, 0x0BC1, 0x0000, 0xCD},
+    {0x0B9A, 0x0BC2, 0x0000, 0xDD},
+    {0x0B9C, 0x0000, 0x0000, 0x83},
+    {0x0B9C, 0x0B82, 0x0000, 0x88},
+    {0x0B9E, 0x0000, 0x0000, 0xBB},
+    {0x0B9E, 0x0B82, 0x0000, 0xEF},
+    {0x0B9E, 0x0BC1, 0x0000, 0x9A},
+    {0x0B9E, 0x0BC2, 0x0000, 0x9C},
+    {0x0B9F, 0x0000, 0x0000, 0xBC},
+    {0x0B9F, 0x0B82, 0x0000, 0xF0},
+    {0x0B9F, 0x0BBF, 0x0000, 0xCA},
+    {0x0B9F, 0x0BC0, 0x0000, 0xCB},
+    {0x0B9F, 0x0BC1, 0x0000, 0xCE},
+    {0x0B9F, 0x0BC2, 0x0000, 0xDE},
+    {0x0BA1, 0x0B82, 0x0000, 0xF2},
+    {0x0BA3, 0x0000, 0x0000, 0xBD},
+    {0x0BA3, 0x0B82, 0x0000, 0xF1},
+    {0x0BA3, 0x0BC1, 0x0000, 0xCF},
+    {0x0BA3, 0x0BC2, 0x0000, 0xDF},
+    {0x0BA4, 0x0000, 0x0000, 0xBE},
+    {0x0BA4, 0x0BC1, 0x0000, 0xD0},
+    {0x0BA4, 0x0BC2, 0x0000, 0xE0},
+    {0x0BA8, 0x0000, 0x0000, 0xBF},
+    {0x0BA8, 0x0B82, 0x0000, 0xF3},
+    {0x0BA8, 0x0BC1, 0x0000, 0xD1},
+    {0x0BA8, 0x0BC2, 0x0000, 0xE1},
+    {0x0BA9, 0x0000, 0x0000, 0xC9},
+    {0x0BA9, 0x0B82, 0x0000, 0xFD},
+    {0x0BA9, 0x0BC1, 0x0000, 0xDB},
+    {0x0BA9, 0x0BC2, 0x0000, 0xEB},
+    {0x0BAA, 0x0000, 0x0000, 0xC0},
+    {0x0BAA, 0x0B82, 0x0000, 0xF4},
+    {0x0BAA, 0x0BC1, 0x0000, 0xD2},
+    {0x0BAA, 0x0BC2, 0x0000, 0xE2},
+    {0x0BAE, 0x0000, 0x0000, 0xC1},
+    {0x0BAE, 0x0B82, 0x0000, 0xF5},
+    {0x0BAE, 0x0BC1, 0x0000, 0xD3},
+    {0x0BAE, 0x0BC2, 0x0000, 0xE3},
+    {0x0BAF, 0x0000, 0x0000, 0xC2},
+    {0x0BAF, 0x0B82, 0x0000, 0xF6},
+    {0x0BAF, 0x0BC1, 0x0000, 0xD4},
+    {0x0BAF, 0x0BC2, 0x0000, 0xE4},
+    {0x0BB0, 0x0000, 0x0000, 0xC3},
+    {0x0BB0, 0x0B82, 0x0000, 0xF7},
+    {0x0BB0, 0x0BC1, 0x0000, 0xD5},
+    {0x0BB0, 0x0BC2, 0x0000, 0xE5},
+    {0x0BB1, 0x0000, 0x0000, 0xC8},
+    {0x0BB1, 0x0B82, 0x0000, 0xFC},
+    {0x0BB1, 0x0BC1, 0x0000, 0xDA},
+    {0x0BB1, 0x0BC2, 0x0000, 0xEA},
+    {0x0BB2, 0x0000, 0x0000, 0xC4},
+    {0x0BB2, 0x0B82, 0x0000, 0xF8},
+    {0x0BB2, 0x0BC1, 0x0000, 0xD6},
+    {0x0BB2, 0x0BC2, 0x0000, 0xE6},
+    {0x0BB3, 0x0000, 0x0000, 0xC7},
+    {0x0BB3, 0x0B82, 0x0000, 0xFB},
+    {0x0BB3, 0x0BC1, 0x0000, 0xD9},
+    {0x0BB3, 0x0BC2, 0x0000, 0xE9},
+    {0x0BB4, 0x0000, 0x0000, 0xC6},
+    {0x0BB4, 0x0B82, 0x0000, 0xFA},
+    {0x0BB4, 0x0BC1, 0x0000, 0xD8},
+    {0x0BB4, 0x0BC2, 0x0000, 0xE8},
+    {0x0BB5, 0x0000, 0x0000, 0xC5},
+    {0x0BB5, 0x0B82, 0x0000, 0xF9},
+    {0x0BB5, 0x0BC1, 0x0000, 0xD7},
+    {0x0BB5, 0x0BC2, 0x0000, 0xE7},
+    {0x0BB7, 0x0000, 0x0000, 0x84},
+    {0x0BB7, 0x0B82, 0x0000, 0x89},
+    {0x0BB8, 0x0000, 0x0000, 0x85},
+    {0x0BB8, 0x0B82, 0x0000, 0x8A},
+    {0x0BB9, 0x0000, 0x0000, 0x86},
+    {0x0BB9, 0x0B82, 0x0000, 0x8B},
+    {0x0BBE, 0x0000, 0x0000, 0xA1},
+    {0x0BBF, 0x0000, 0x0000, 0xA2},
+    {0x0BC0, 0x0000, 0x0000, 0xA3},
+    {0x0BC1, 0x0000, 0x0000, 0xA4},
+    {0x0BC2, 0x0000, 0x0000, 0xA5},
+    {0x0BC6, 0x0000, 0x0000, 0xA6},
+    {0x0BC7, 0x0000, 0x0000, 0xA7},
+    {0x0BC8, 0x0000, 0x0000, 0xA8},
+    {0x0BCC, 0x0000, 0x0000, 0xAA},
+    {0x0BE6, 0x0000, 0x0000, 0x80},
+    {0x0BE7, 0x0000, 0x0000, 0x81},
+    {0x0BE7, 0x0BB7, 0x0000, 0x87},
+    {0x0BE7, 0x0BB7, 0x0B82, 0x8C},
+    {0x0BE8, 0x0000, 0x0000, 0x8D},
+    {0x0BE9, 0x0000, 0x0000, 0x8E},
+    {0x0BEA, 0x0000, 0x0000, 0x8F},
+    {0x0BEB, 0x0000, 0x0000, 0x90},
+    {0x0BEC, 0x0000, 0x0000, 0x95},
+    {0x0BED, 0x0000, 0x0000, 0x96},
+    {0x0BEE, 0x0000, 0x0000, 0x97},
+    {0x0BEF, 0x0000, 0x0000, 0x98},
+    {0x0BF0, 0x0000, 0x0000, 0x9D},
+    {0x0BF1, 0x0000, 0x0000, 0x9E},
+    {0x0BF2, 0x0000, 0x0000, 0x9F},
+    {0x2018, 0x0000, 0x0000, 0x91},
+    {0x2019, 0x0000, 0x0000, 0x92},
+    {0x201C, 0x0000, 0x0000, 0x93},
+    {0x201C, 0x0000, 0x0000, 0x94}
+};
+
+static const ushort TsToUn [][3] = {
+    // Starting at 0x80
+    {0x0BE6, 0x0000, 0x0000},
+    {0x0BE7, 0x0000, 0x0000},
+    {0x0000, 0x0000, 0x0000}, // unknown
+    {0x0B9C, 0x0000, 0x0000},
+    {0x0BB7, 0x0000, 0x0000},
+    {0x0BB8, 0x0000, 0x0000},
+    {0x0BB9, 0x0000, 0x0000},
+    {0x0BE7, 0x0BB7, 0x0000},
+    {0x0B9C, 0x0B82, 0x0000},
+    {0x0BB7, 0x0B82, 0x0000},
+    {0x0BB8, 0x0B82, 0x0000},
+    {0x0BB9, 0x0B82, 0x0000},
+    {0x0BE7, 0x0BB7, 0x0B82},
+    {0x0BE8, 0x0000, 0x0000},
+    {0x0BE9, 0x0000, 0x0000},
+    {0x0BEA, 0x0000, 0x0000},
+    {0x0BEB, 0x0000, 0x0000},
+    {0x2018, 0x0000, 0x0000},
+    {0x2019, 0x0000, 0x0000},
+    {0x201C, 0x0000, 0x0000},
+    {0x201C, 0x0000, 0x0000}, // two of the same??
+    {0x0BEC, 0x0000, 0x0000},
+    {0x0BED, 0x0000, 0x0000},
+    {0x0BEE, 0x0000, 0x0000},
+    {0x0BEF, 0x0000, 0x0000},
+    {0x0B99, 0x0BC1, 0x0000},
+    {0x0B9E, 0x0BC1, 0x0000},
+    {0x0B99, 0x0BC2, 0x0000},
+    {0x0B9E, 0x0BC2, 0x0000},
+    {0x0BF0, 0x0000, 0x0000},
+    {0x0BF1, 0x0000, 0x0000},
+    {0x0BF2, 0x0000, 0x0000},
+    {0x00A0, 0x0000, 0x0000},
+    {0x0BBE, 0x0000, 0x0000},
+    {0x0BBF, 0x0000, 0x0000},
+    {0x0BC0, 0x0000, 0x0000},
+    {0x0BC1, 0x0000, 0x0000},
+    {0x0BC2, 0x0000, 0x0000},
+    {0x0BC6, 0x0000, 0x0000},
+    {0x0BC7, 0x0000, 0x0000},
+    {0x0BC8, 0x0000, 0x0000},
+    {0x00A9, 0x0000, 0x0000},
+    {0x0BCC, 0x0000, 0x0000},
+    {0x0B85, 0x0000, 0x0000},
+    {0x0B86, 0x0000, 0x0000},
+    {0x0B87, 0x0000, 0x0000},
+    {0x0B88, 0x0000, 0x0000},
+    {0x0B89, 0x0000, 0x0000},
+    {0x0B8A, 0x0000, 0x0000},
+    {0x0B8E, 0x0000, 0x0000},
+    {0x0B8F, 0x0000, 0x0000},
+    {0x0B90, 0x0000, 0x0000},
+    {0x0B92, 0x0000, 0x0000},
+    {0x0B93, 0x0000, 0x0000},
+    {0x0B94, 0x0000, 0x0000},
+    {0x0B83, 0x0000, 0x0000},
+    {0x0B95, 0x0000, 0x0000},
+    {0x0B99, 0x0000, 0x0000},
+    {0x0B9A, 0x0000, 0x0000},
+    {0x0B9E, 0x0000, 0x0000},
+    {0x0B9F, 0x0000, 0x0000},
+    {0x0BA3, 0x0000, 0x0000},
+    {0x0BA4, 0x0000, 0x0000},
+    {0x0BA8, 0x0000, 0x0000},
+    {0x0BAA, 0x0000, 0x0000},
+    {0x0BAE, 0x0000, 0x0000},
+    {0x0BAF, 0x0000, 0x0000},
+    {0x0BB0, 0x0000, 0x0000},
+    {0x0BB2, 0x0000, 0x0000},
+    {0x0BB5, 0x0000, 0x0000},
+    {0x0BB4, 0x0000, 0x0000},
+    {0x0BB3, 0x0000, 0x0000},
+    {0x0BB1, 0x0000, 0x0000},
+    {0x0BA9, 0x0000, 0x0000},
+    {0x0B9F, 0x0BBF, 0x0000},
+    {0x0B9F, 0x0BC0, 0x0000},
+    {0x0B95, 0x0BC1, 0x0000},
+    {0x0B9A, 0x0BC1, 0x0000},
+    {0x0B9F, 0x0BC1, 0x0000},
+    {0x0BA3, 0x0BC1, 0x0000},
+    {0x0BA4, 0x0BC1, 0x0000},
+    {0x0BA8, 0x0BC1, 0x0000},
+    {0x0BAA, 0x0BC1, 0x0000},
+    {0x0BAE, 0x0BC1, 0x0000},
+    {0x0BAF, 0x0BC1, 0x0000},
+    {0x0BB0, 0x0BC1, 0x0000},
+    {0x0BB2, 0x0BC1, 0x0000},
+    {0x0BB5, 0x0BC1, 0x0000},
+    {0x0BB4, 0x0BC1, 0x0000},
+    {0x0BB3, 0x0BC1, 0x0000},
+    {0x0BB1, 0x0BC1, 0x0000},
+    {0x0BA9, 0x0BC1, 0x0000},
+    {0x0B95, 0x0BC2, 0x0000},
+    {0x0B9A, 0x0BC2, 0x0000},
+    {0x0B9F, 0x0BC2, 0x0000},
+    {0x0BA3, 0x0BC2, 0x0000},
+    {0x0BA4, 0x0BC2, 0x0000},
+    {0x0BA8, 0x0BC2, 0x0000},
+    {0x0BAA, 0x0BC2, 0x0000},
+    {0x0BAE, 0x0BC2, 0x0000},
+    {0x0BAF, 0x0BC2, 0x0000},
+    {0x0BB0, 0x0BC2, 0x0000},
+    {0x0BB2, 0x0BC2, 0x0000},
+    {0x0BB5, 0x0BC2, 0x0000},
+    {0x0BB4, 0x0BC2, 0x0000},
+    {0x0BB3, 0x0BC2, 0x0000},
+    {0x0BB1, 0x0BC2, 0x0000},
+    {0x0BA9, 0x0BC2, 0x0000},
+    {0x0B95, 0x0B82, 0x0000},
+    {0x0B99, 0x0B82, 0x0000},
+    {0x0B9A, 0x0B82, 0x0000},
+    {0x0B9E, 0x0B82, 0x0000},
+    {0x0B9F, 0x0B82, 0x0000},
+    {0x0BA3, 0x0B82, 0x0000},
+    {0x0BA1, 0x0B82, 0x0000},
+    {0x0BA8, 0x0B82, 0x0000},
+    {0x0BAA, 0x0B82, 0x0000},
+    {0x0BAE, 0x0B82, 0x0000},
+    {0x0BAF, 0x0B82, 0x0000},
+    {0x0BB0, 0x0B82, 0x0000},
+    {0x0BB2, 0x0B82, 0x0000},
+    {0x0BB5, 0x0B82, 0x0000},
+    {0x0BB4, 0x0B82, 0x0000},
+    {0x0BB3, 0x0B82, 0x0000},
+    {0x0BB1, 0x0B82, 0x0000},
+    {0x0BA9, 0x0B82, 0x0000}
+};
+
+static int cmp(const ushort *s1, const ushort *s2, size_t len)
+{
+    int diff = 0;
+
+    while (len-- && (diff = *s1++ - *s2++) == 0)
+        ;
+
+    return diff;
+}
+
+static unsigned char qt_UnicodeToTSCII(ushort u1, ushort u2, ushort u3)
+{
+    ushort s[3];
+    s[0] = u1;
+    s[1] = u2;
+    s[2] = u3;
+
+    int a = 0;  // start pos
+    int b = UnToTsLast; // end pos
+
+    // do a binary search for the composed unicode in the list
+    while (a <= b) {
+        int w = (a + b) / 2;
+        int j = cmp(UnToTs[w], s, 3);
+
+        if (j == 0)
+            // found it
+            return UnToTs[w][3];
+
+        if (j < 0)
+            a = w + 1;
+        else
+            b = w - 1;
+    }
+
+    return 0;
+}
+
+static unsigned int qt_TSCIIToUnicode(uint code, uint *s)
+{
+    int len = 0;
+    for (int i = 0; i < 3; i++) {
+        uint u = TsToUn[code & 0x7f][i];
+        s[i] = u;
+        if (s[i]) len = i + 1;
+    }
+
+    return len;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CODECS
diff --git a/src/corelib/codecs/qtsciicodec_p.h b/src/corelib/codecs/qtsciicodec_p.h
new file mode 100644
index 0000000000..8f11e485b1
--- /dev/null
+++ b/src/corelib/codecs/qtsciicodec_p.h
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// Most of the code here was originally written by Hans Petter Bieker,
+// and is included in Qt with the author's permission, and the grateful
+// thanks of the Trolltech team.
+
+/*
+ * Copyright (C) 2000 Hans Petter Bieker. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef QTSCIICODEC_P_H
+#define QTSCIICODEC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qtextcodec.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_CODECS
+
+class Q_CORE_EXPORT QTsciiCodec : public QTextCodec {
+public:
+    ~QTsciiCodec();
+
+    QByteArray name() const;
+    int mibEnum() const;
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+};
+
+#endif // QT_NO_CODECS
+
+QT_END_NAMESPACE
+
+#endif // QTSCIICODEC_P_H
diff --git a/src/corelib/codecs/qutfcodec.cpp b/src/corelib/codecs/qutfcodec.cpp
new file mode 100644
index 0000000000..281bf75519
--- /dev/null
+++ b/src/corelib/codecs/qutfcodec.cpp
@@ -0,0 +1,634 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qutfcodec_p.h"
+#include "qlist.h"
+#include "qendian.h"
+#include "qchar.h"
+
+#ifndef QT_NO_TEXTCODEC
+
+QT_BEGIN_NAMESPACE
+
+QUtf8Codec::~QUtf8Codec()
+{
+}
+
+QByteArray QUtf8Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+{
+    uchar replacement = '?';
+    int rlen = 3*len;
+    int surrogate_high = -1;
+    if (state) {
+        if (state->flags & ConvertInvalidToNull)
+            replacement = 0;
+        if (!(state->flags & IgnoreHeader))
+            rlen += 3;
+        if (state->remainingChars)
+            surrogate_high = state->state_data[0];
+    }
+
+    QByteArray rstr;
+    rstr.resize(rlen);
+    uchar* cursor = (uchar*)rstr.data();
+    const QChar *ch = uc;
+    int invalid = 0;
+    if (state && !(state->flags & IgnoreHeader)) {
+        *cursor++ = 0xef;
+        *cursor++ = 0xbb;
+        *cursor++ = 0xbf;
+    }
+
+    const QChar *end = ch + len;
+    while (ch < end) {
+        uint u = ch->unicode();
+        if (surrogate_high >= 0) {
+            if (u >= 0xdc00 && u < 0xe000) {
+                u = (surrogate_high - 0xd800)*0x400 + (u - 0xdc00) + 0x10000;
+                surrogate_high = -1;
+            } else {
+                // high surrogate without low
+                *cursor = replacement;
+                ++ch;
+                ++invalid;
+                surrogate_high = -1;
+                continue;
+            }
+        } else if (u >= 0xdc00 && u < 0xe000) {
+            // low surrogate without high
+            *cursor = replacement;
+            ++ch;
+            ++invalid;
+            continue;
+        } else if (u >= 0xd800 && u < 0xdc00) {
+            surrogate_high = u;
+            ++ch;
+            continue;
+        }
+
+        if (u < 0x80) {
+            *cursor++ = (uchar)u;
+        } else {
+            if (u < 0x0800) {
+                *cursor++ = 0xc0 | ((uchar) (u >> 6));
+            } else {
+                if (u > 0xffff) {
+                    // see QString::fromUtf8() and QString::utf8() for explanations
+                    if (u > 0x10fe00 && u < 0x10ff00) {
+                        *cursor++ = (u - 0x10fe00);
+                        ++ch;
+                        continue;
+                    } else {
+                        *cursor++ = 0xf0 | ((uchar) (u >> 18));
+                        *cursor++ = 0x80 | (((uchar) (u >> 12)) & 0x3f);
+                    }
+                } else {
+                    *cursor++ = 0xe0 | (((uchar) (u >> 12)) & 0x3f);
+                }
+                *cursor++ = 0x80 | (((uchar) (u >> 6)) & 0x3f);
+            }
+            *cursor++ = 0x80 | ((uchar) (u&0x3f));
+        }
+        ++ch;
+    }
+
+    rstr.resize(cursor - (const uchar*)rstr.constData());
+    if (state) {
+        state->invalidChars += invalid;
+        state->flags |= IgnoreHeader;
+        state->remainingChars = 0;
+        if (surrogate_high >= 0) {
+            state->remainingChars = 1;
+            state->state_data[0] = surrogate_high;
+        }
+    }
+    return rstr;
+}
+
+void QUtf8Codec::convertToUnicode(QString *target, const char *chars, int len, ConverterState *state) const
+{
+    bool headerdone = false;
+    QChar replacement = QChar::ReplacementCharacter;
+    int need = 0;
+    int error = -1;
+    uint uc = 0;
+    uint min_uc = 0;
+    if (state) {
+        if (state->flags & IgnoreHeader)
+            headerdone = true;
+        if (state->flags & ConvertInvalidToNull)
+            replacement = QChar::Null;
+        need = state->remainingChars;
+        if (need) {
+            uc = state->state_data[0];
+            min_uc = state->state_data[1];
+        }
+    }
+    if (!headerdone && len > 3
+        && (uchar)chars[0] == 0xef && (uchar)chars[1] == 0xbb && (uchar)chars[2] == 0xbf) {
+        // starts with a byte order mark
+        chars += 3;
+        len -= 3;
+        headerdone = true;
+    }
+
+    int originalLength = target->length();
+    QString &result = *target;
+    result.resize(originalLength + len + 1); // worst case
+    QChar *qch = result.data() + originalLength;
+    uchar ch;
+    int invalid = 0;
+
+    for (int i=0; i<len; i++) {
+        ch = chars[i];
+        if (need) {
+            if ((ch&0xc0) == 0x80) {
+                uc = (uc << 6) | (ch & 0x3f);
+                need--;
+                if (!need) {
+                    if (uc > 0xffff && uc < 0x110000) {
+                        // surrogate pair
+                        uc -= 0x10000;
+                        unsigned short high = uc/0x400 + 0xd800;
+                        unsigned short low = uc%0x400 + 0xdc00;
+
+                        // resize if necessary
+                        long where = qch - result.unicode();
+                        if (where + 2 >= result.length()) {
+                            result.resize(where + 2);
+                            qch = result.data() + where;
+                        }
+
+                        *qch++ = QChar(high);
+                        *qch++ = QChar(low);
+                    } else if ((uc < min_uc) || (uc >= 0xd800 && uc <= 0xdfff) || (uc >= 0xfffe)) {
+                        // error
+                        *qch++ = replacement;
+                        ++invalid;
+                    } else {
+                        *qch++ = uc;
+                    }
+                }
+            } else {
+                // error
+                i = error;
+                *qch++ = replacement;
+                ++invalid;
+                need = 0;
+            }
+        } else {
+            if (ch < 128) {
+                *qch++ = QLatin1Char(ch);
+            } else if ((ch & 0xe0) == 0xc0) {
+                uc = ch & 0x1f;
+                need = 1;
+                error = i;
+                min_uc = 0x80;
+            } else if ((ch & 0xf0) == 0xe0) {
+                uc = ch & 0x0f;
+                need = 2;
+                error = i;
+                min_uc = 0x800;
+            } else if ((ch&0xf8) == 0xf0) {
+                uc = ch & 0x07;
+                need = 3;
+                error = i;
+                min_uc = 0x10000;
+            } else {
+                // error
+                *qch++ = replacement;
+                ++invalid;
+            }
+        }
+    }
+    if (!state && need > 0) {
+        // unterminated UTF sequence
+        for (int i = error; i < len; ++i) {
+            *qch++ = replacement;
+            ++invalid;
+        }
+    }
+    result.truncate(qch - result.unicode());
+    if (state) {
+        state->invalidChars += invalid;
+        state->remainingChars = need;
+        if (headerdone)
+            state->flags |= IgnoreHeader;
+        state->state_data[0] = need ? uc : 0;
+        state->state_data[1] = need ? min_uc : 0;
+    }
+}
+
+QString QUtf8Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
+{
+    QString result;
+    convertToUnicode(&result, chars, len, state);
+    return result;
+}
+
+QByteArray QUtf8Codec::name() const
+{
+    return "UTF-8";
+}
+
+int QUtf8Codec::mibEnum() const
+{
+    return 106;
+}
+
+enum { Endian = 0, Data = 1 };
+
+QUtf16Codec::~QUtf16Codec()
+{
+}
+
+QByteArray QUtf16Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+{
+    Endianness endian = e;
+    int length =  2*len;
+    if (!state || (!(state->flags & IgnoreHeader))) {
+        length += 2;
+    }
+    if (e == Detect) {
+        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BE : LE;
+    }
+
+    QByteArray d;
+    d.resize(length);
+    char *data = d.data();
+    if (!state || !(state->flags & IgnoreHeader)) {
+        QChar bom(QChar::ByteOrderMark);
+        if (endian == BE) {
+            data[0] = bom.row();
+            data[1] = bom.cell();
+        } else {
+            data[0] = bom.cell();
+            data[1] = bom.row();
+        }
+        data += 2;
+    }
+    if (endian == BE) {
+        for (int i = 0; i < len; ++i) {
+            *(data++) = uc[i].row();
+            *(data++) = uc[i].cell();
+        }
+    } else {
+        for (int i = 0; i < len; ++i) {
+            *(data++) = uc[i].cell();
+            *(data++) = uc[i].row();
+        }
+    }
+
+    if (state) {
+        state->remainingChars = 0;
+        state->flags |= IgnoreHeader;
+    }
+    return d;
+}
+
+QString QUtf16Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
+{
+    Endianness endian = e;
+    bool half = false;
+    uchar buf = 0;
+    bool headerdone = false;
+    if (state) {
+        headerdone = state->flags & IgnoreHeader;
+        if (endian == Detect)
+            endian = (Endianness)state->state_data[Endian];
+        if (state->remainingChars) {
+            half = true;
+            buf = state->state_data[Data];
+        }
+    }
+    if (headerdone && endian == Detect)
+        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BE : LE;
+
+    QString result;
+    result.resize(len); // worst case
+    QChar *qch = (QChar *)result.unicode();
+    while (len--) {
+        if (half) {
+            QChar ch;
+            if (endian == LE) {
+                ch.setRow(*chars++);
+                ch.setCell(buf);
+            } else {
+                ch.setRow(buf);
+                ch.setCell(*chars++);
+            }
+            if (!headerdone) {
+                if (endian == Detect) {
+                    if (ch == QChar::ByteOrderSwapped && endian != BE) {
+                        endian = LE;
+                    } else if (ch == QChar::ByteOrderMark && endian != LE) {
+                        // ignore BOM
+                        endian = BE;
+                    } else {
+                        if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+                            endian = BE;
+                        } else {
+                            endian = LE;
+                            ch = QChar((ch.unicode() >> 8) | ((ch.unicode() & 0xff) << 8));
+                        }
+                        *qch++ = ch;
+                    }
+                } else if (ch != QChar::ByteOrderMark) {
+                    *qch++ = ch;
+                }
+                headerdone = true;
+            } else {
+                *qch++ = ch;
+            }
+            half = false;
+        } else {
+            buf = *chars++;
+            half = true;
+        }
+    }
+    result.truncate(qch - result.unicode());
+
+    if (state) {
+        if (endian != Detect)
+            state->flags |= IgnoreHeader;
+        state->state_data[Endian] = endian;
+        if (half) {
+            state->remainingChars = 1;
+            state->state_data[Data] = buf;
+        } else {
+            state->remainingChars = 0;
+            state->state_data[Data] = 0;
+        }
+    }
+    return result;
+}
+
+int QUtf16Codec::mibEnum() const
+{
+    return 1015;
+}
+
+QByteArray QUtf16Codec::name() const
+{
+    return "UTF-16";
+}
+
+QList<QByteArray> QUtf16Codec::aliases() const
+{
+    QList<QByteArray> list;
+    list << "ISO-10646-UCS-2";
+    return list;
+}
+
+int QUtf16BECodec::mibEnum() const
+{
+    return 1013;
+}
+
+QByteArray QUtf16BECodec::name() const
+{
+    return "UTF-16BE";
+}
+
+QList<QByteArray> QUtf16BECodec::aliases() const
+{
+    QList<QByteArray> list;
+    return list;
+}
+
+int QUtf16LECodec::mibEnum() const
+{
+    return 1014;
+}
+
+QByteArray QUtf16LECodec::name() const
+{
+    return "UTF-16LE";
+}
+
+QList<QByteArray> QUtf16LECodec::aliases() const
+{
+    QList<QByteArray> list;
+    return list;
+}
+
+QUtf32Codec::~QUtf32Codec()
+{
+}
+
+QByteArray QUtf32Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+{
+    Endianness endian = e;
+    int length =  4*len;
+    if (!state || (!(state->flags & IgnoreHeader))) {
+        length += 4;
+    }
+    if (e == Detect) {
+        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BE : LE;
+    }
+
+    QByteArray d;
+    d.resize(length);
+    char *data = d.data();
+    if (!state || !(state->flags & IgnoreHeader)) {
+        if (endian == BE) {
+            data[0] = 0;
+            data[1] = 0;
+            data[2] = (char)0xfe;
+            data[3] = (char)0xff;
+        } else {
+            data[0] = (char)0xff;
+            data[1] = (char)0xfe;
+            data[2] = 0;
+            data[3] = 0;
+        }
+        data += 2;
+    }
+    if (endian == BE) {
+        for (int i = 0; i < len; ++i) {
+            uint cp = uc[i].unicode();
+            if (uc[i].isHighSurrogate() && i < len - 1)
+                cp = QChar::surrogateToUcs4(cp, uc[++i].unicode());
+            *(data++) = cp >> 24;
+            *(data++) = (cp >> 16) & 0xff;
+            *(data++) = (cp >> 8) & 0xff;
+            *(data++) = cp & 0xff;
+        }
+    } else {
+        for (int i = 0; i < len; ++i) {
+            uint cp = uc[i].unicode();
+            if (uc[i].isHighSurrogate() && i < len - 1)
+                cp = QChar::surrogateToUcs4(cp, uc[++i].unicode());
+            *(data++) = cp & 0xff;
+            *(data++) = (cp >> 8) & 0xff;
+            *(data++) = (cp >> 16) & 0xff;
+            *(data++) = cp >> 24;
+        }
+    }
+
+    if (state) {
+        state->remainingChars = 0;
+        state->flags |= IgnoreHeader;
+    }
+    return d;
+}
+
+QString QUtf32Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
+{
+    Endianness endian = e;
+    uchar tuple[4];
+    int num = 0;
+    bool headerdone = false;
+    if (state) {
+        headerdone = state->flags & IgnoreHeader;
+        if (endian == Detect) {
+            endian = (Endianness)state->state_data[Endian];
+        }
+        num = state->remainingChars;
+        memcpy(tuple, &state->state_data[Data], 4);
+    }
+    if (headerdone && endian == Detect)
+        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BE : LE;
+
+    QString result;
+    result.resize((num + len) >> 2 << 1); // worst case
+    QChar *qch = (QChar *)result.unicode();
+    
+    const char *end = chars + len;
+    while (chars < end) {
+        tuple[num++] = *chars++;
+        if (num == 4) {
+            if (!headerdone) {
+                if (endian == Detect) {
+                    if (endian == Detect) {
+                        if (tuple[0] == 0xff && tuple[1] == 0xfe && tuple[2] == 0 && tuple[3] == 0 && endian != BE) {
+                            endian = LE;
+                            num = 0;
+                            continue;
+                        } else if (tuple[0] == 0 && tuple[1] == 0 && tuple[2] == 0xfe && tuple[3] == 0xff && endian != LE) {
+                            endian = BE;
+                            num = 0;
+                            continue;
+                        } else if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+                            endian = BE;
+                        } else {
+                            endian = LE;
+                        }
+                    }
+                } else if (((endian == BE) ? qFromBigEndian<quint32>(tuple) : qFromLittleEndian<quint32>(tuple)) == QChar::ByteOrderMark) {
+                    num = 0;
+                    continue;
+                }
+            }
+            uint code = (endian == BE) ? qFromBigEndian<quint32>(tuple) : qFromLittleEndian<quint32>(tuple);
+            if (code >= 0x10000) {
+                *qch++ = QChar::highSurrogate(code);
+                *qch++ = QChar::lowSurrogate(code);
+            } else {
+                *qch++ = code;
+            }
+            num = 0;
+        }
+    }
+    result.truncate(qch - result.unicode());
+    
+    if (state) {
+        if (endian != Detect)
+            state->flags |= IgnoreHeader;
+        state->state_data[Endian] = endian;
+        state->remainingChars = num;
+        memcpy(&state->state_data[Data], tuple, 4);
+    }
+    return result;
+}
+
+int QUtf32Codec::mibEnum() const
+{
+    return 1017;
+}
+
+QByteArray QUtf32Codec::name() const
+{
+    return "UTF-32";
+}
+
+QList<QByteArray> QUtf32Codec::aliases() const
+{
+    QList<QByteArray> list;
+    return list;
+}
+
+int QUtf32BECodec::mibEnum() const
+{
+    return 1018;
+}
+
+QByteArray QUtf32BECodec::name() const
+{
+    return "UTF-32BE";
+}
+
+QList<QByteArray> QUtf32BECodec::aliases() const
+{
+    QList<QByteArray> list;
+    return list;
+}
+
+int QUtf32LECodec::mibEnum() const
+{
+    return 1019;
+}
+
+QByteArray QUtf32LECodec::name() const
+{
+    return "UTF-32LE";
+}
+
+QList<QByteArray> QUtf32LECodec::aliases() const
+{
+    QList<QByteArray> list;
+    return list;
+}
+
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_TEXTCODEC
diff --git a/src/corelib/codecs/qutfcodec_p.h b/src/corelib/codecs/qutfcodec_p.h
new file mode 100644
index 0000000000..0abcfaf144
--- /dev/null
+++ b/src/corelib/codecs/qutfcodec_p.h
@@ -0,0 +1,155 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QUTFCODEC_P_H
+#define QUTFCODEC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qtextcodec.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_TEXTCODEC
+
+class QUtf8Codec : public QTextCodec {
+public:
+    ~QUtf8Codec();
+
+    QByteArray name() const;
+    int mibEnum() const;
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+    void convertToUnicode(QString *target, const char *, int, ConverterState *) const;
+};
+
+class QUtf16Codec : public QTextCodec {
+protected:
+    enum Endianness {
+        Detect,
+        BE,
+        LE
+    };
+public:
+    QUtf16Codec() { e = Detect; }
+    ~QUtf16Codec();
+
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+
+protected:
+    Endianness e;
+};
+
+class QUtf16BECodec : public QUtf16Codec {
+public:
+    QUtf16BECodec() : QUtf16Codec() { e = BE; }
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+};
+
+class QUtf16LECodec : public QUtf16Codec {
+public:
+    QUtf16LECodec() : QUtf16Codec() { e = LE; }
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+};
+
+class QUtf32Codec : public QTextCodec {
+protected:
+    enum Endianness {
+        Detect,
+        BE,
+        LE
+    };
+public:
+    QUtf32Codec() { e = Detect; }
+    ~QUtf32Codec();
+
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+
+    QString convertToUnicode(const char *, int, ConverterState *) const;
+    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
+
+protected:
+    Endianness e;
+};
+
+class QUtf32BECodec : public QUtf32Codec {
+public:
+    QUtf32BECodec() : QUtf32Codec() { e = BE; }
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+};
+
+class QUtf32LECodec : public QUtf32Codec {
+public:
+    QUtf32LECodec() : QUtf32Codec() { e = LE; }
+    QByteArray name() const;
+    QList<QByteArray> aliases() const;
+    int mibEnum() const;
+};
+
+
+#endif // QT_NO_TEXTCODEC
+
+QT_END_NAMESPACE
+
+#endif // QUTFCODEC_P_H
diff --git a/src/corelib/concurrent/concurrent.pri b/src/corelib/concurrent/concurrent.pri
new file mode 100644
index 0000000000..940297139c
--- /dev/null
+++ b/src/corelib/concurrent/concurrent.pri
@@ -0,0 +1,42 @@
+SOURCES += \
+        concurrent/qfuture.cpp \
+        concurrent/qfutureinterface.cpp \
+        concurrent/qfuturesynchronizer.cpp \
+        concurrent/qfuturewatcher.cpp \
+        concurrent/qrunnable.cpp \
+        concurrent/qtconcurrentfilter.cpp \
+        concurrent/qtconcurrentmap.cpp \
+        concurrent/qtconcurrentresultstore.cpp \
+        concurrent/qtconcurrentthreadengine.cpp \
+        concurrent/qtconcurrentiteratekernel.cpp \
+        concurrent/qtconcurrentexception.cpp \
+        concurrent/qthreadpool.cpp
+
+HEADERS += \
+        concurrent/qfuture.h \
+        concurrent/qfutureinterface.h \
+        concurrent/qfuturesynchronizer.h \
+        concurrent/qfuturewatcher.h \
+        concurrent/qrunnable.h \
+        concurrent/qtconcurrentcompilertest.h \
+        concurrent/qtconcurrentexception.h \
+        concurrent/qtconcurrentfilter.h \
+        concurrent/qtconcurrentfilterkernel.h \
+        concurrent/qtconcurrentfunctionwrappers.h \
+        concurrent/qtconcurrentiteratekernel.h \
+        concurrent/qtconcurrentmap.h \
+        concurrent/qtconcurrentmapkernel.h \
+        concurrent/qtconcurrentmedian.h \
+        concurrent/qtconcurrentreducekernel.h \
+        concurrent/qtconcurrentresultstore.h \
+        concurrent/qtconcurrentrun.h \
+        concurrent/qtconcurrentrunbase.h \
+        concurrent/qtconcurrentstoredfunctioncall.h \
+        concurrent/qtconcurrentthreadengine.h \
+        concurrent/qthreadpool.h
+
+# private headers
+HEADERS += \
+        concurrent/qfutureinterface_p.h \
+        concurrent/qfuturewatcher_p.h \
+        concurrent/qthreadpool_p.h
diff --git a/src/corelib/concurrent/qfuture.cpp b/src/corelib/concurrent/qfuture.cpp
new file mode 100644
index 0000000000..1840fab323
--- /dev/null
+++ b/src/corelib/concurrent/qfuture.cpp
@@ -0,0 +1,695 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*! \class QFuture
+    \threadsafe
+    \brief The QFuture class represents the result of an asynchronous computation.
+    \since 4.4
+
+    To start a computation, use one of the APIs in the
+    \l {threads.html#qtconcurrent-intro}{Qt Concurrent} framework.
+
+    QFuture allows threads to be synchronized against one or more results
+    which will be ready at a later point in time. The result can be of any type
+    that has a default constructor and a copy constructor. If a result is not
+    available at the time of calling the result(), resultAt(), or results()
+    functions, QFuture will wait until the result becomes available. You can
+    use the isResultReadyAt() function to determine if a result is ready or
+    not. For QFuture objects that report more than one result, the
+    resultCount() function returns the number of continuous results. This
+    means that it is always safe to iterate through the results from 0 to 
+    resultCount().
+
+    QFuture provides a \l{Java-style iterators}{Java-style iterator}
+    (QFutureIterator) and an \l{STL-style iterators}{STL-style iterator}
+    (QFuture::const_iterator). Using these iterators is  another way to access
+    results in the future.
+
+    QFuture also offers ways to interact with a runnning computation. For
+    instance, the computation can be canceled with the cancel() function. To
+    pause the computation, use the setPaused() function or one of the pause(),
+    resume(), or togglePaused() convenience functions. Be aware that not all
+    asynchronous computations can be canceled or paused. For example, the
+    future returned by QtConcurrent::run() cannot be canceled; but the
+    future returned by QtConcurrent::mappedReduced() can.
+
+    Progress information is provided by the progressValue(),
+    progressMinimum(), progressMaximum(), and progressText() functions. The
+    waitForFinished() function causes the calling thread to block and wait for
+    the computation to finish, ensuring that all results are available.
+
+    The state of the computation represented by a QFuture can be queried using
+    the isCanceled(), isStarted(), isFinished(), isRunning(), or isPaused()
+    functions.
+
+    QFuture is a lightweight reference counted class that can be passed by
+    value.
+
+    QFuture<void> is specialized to not contain any of the result fetching
+    functions. Any QFuture<T> can be assigned or copied into a QFuture<void>
+    as well. This is useful if only status or progress information is needed
+    - not the actual result data.
+
+    To interact with running tasks using signals and slots, use QFutureWatcher.
+
+    \sa QFutureWatcher, {threads.html#qtconcurrent-intro}{Qt Concurrent}
+*/
+
+/*! \fn QFuture::QFuture()
+
+    Constructs an empty future.
+*/
+
+/*! \fn QFuture::QFuture(const QFuture &other)
+
+    Constructs a copy of \a other.
+
+    \sa operator=()
+*/
+
+/*! \fn QFuture::QFuture(QFutureInterface<T> *resultHolder)
+    \internal
+*/
+
+/*! \fn QFuture::~QFuture()
+
+    Destroys the future.
+
+    Note that this neither waits nor cancels the asynchronous computation. Use
+    waitForFinished() or QFutureSynchronizer when you need to ensure that the
+    computation is completed before the future is destroyed.
+*/
+
+/*! \fn QFuture &QFuture::operator=(const QFuture &other)
+
+     Assigns \a other to this future and returns a reference to this future.
+*/
+
+/*! \fn bool QFuture::operator==(const QFuture &other) const
+
+    Returns true if \a other is a copy of this future; otherwise returns false.
+*/
+
+/*! \fn bool QFuture::operator!=(const QFuture &other) const
+
+    Returns true if \a other is \e not a copy of this future; otherwise returns
+    false.
+*/
+
+/*! \fn void QFuture::cancel()
+
+    Cancels the asynchronous computation represented by this future. Note that
+    the cancelation is asynchronous. Use waitForFinished() after calling
+    cancel() when you need synchronous cancelation.
+
+    Results currently available may still be accessed on a canceled future,
+    but new results will \e not become available after calling this function.
+    Any QFutureWatcher object that is watching this future will not deliver
+    progress and result ready signals on a canceled future.
+
+    Be aware that not all asynchronous computations can be canceled. For
+    example, the future returned by QtConcurrent::run() cannot be canceled;
+    but the future returned by QtConcurrent::mappedReduced() can.
+*/
+
+/*! \fn bool QFuture::isCanceled() const
+
+    Returns true if the asynchronous computation has been canceled with the
+    cancel() function; otherwise returns false.
+
+    Be aware that the computation may still be running even though this
+    function returns true. See cancel() for more details.
+*/
+
+/*! \fn void QFuture::setPaused(bool paused)
+
+    If \a paused is true, this function pauses the asynchronous computation
+    represented by the future. If the computation is  already paused, this
+    function does nothing. Any QFutureWatcher object that is watching this
+    future will stop delivering progress and result ready signals while the
+    future is paused. Signal delivery will continue once the future is
+    resumed.
+
+    If \a paused is false, this function resumes the asynchronous computation.
+    If the computation was not previously paused, this function does nothing.
+
+    Be aware that not all computations can be paused. For example, the future
+    returned by QtConcurrent::run() cannot be paused; but the future returned
+    by QtConcurrent::mappedReduced() can.
+
+    \sa pause(), resume(), togglePaused()
+*/
+
+/*! \fn bool QFuture::isPaused() const
+
+    Returns true if the asynchronous computation has been paused with the
+    pause() function; otherwise returns false.
+
+    Be aware that the computation may still be running even though this
+    function returns true. See setPaused() for more details.
+
+    \sa setPaused(), togglePaused()
+*/
+
+/*! \fn void QFuture::pause()
+
+    Pauses the asynchronous computation represented by this future. This is a
+    convenience method that simply calls setPaused(true).
+
+    \sa resume()
+*/
+
+/*! \fn void QFuture::resume()
+
+    Resumes the asynchronous computation represented by this future. This is a
+    convenience method that simply calls setPaused(false).
+
+    \sa pause()
+*/
+
+/*! \fn void QFuture::togglePaused()
+
+    Toggles the paused state of the asynchronous computation. In other words,
+    if the computation is currently paused, calling this function resumes it;
+    if the computation is running, it is paused. This is a convenience method
+    for calling setPaused(!isPaused()).
+
+    \sa setPaused(), pause(), resume()
+*/
+
+/*! \fn bool QFuture::isStarted() const
+
+    Returns true if the asynchronous computation represented by this future
+    has been started; otherwise returns false.
+*/
+
+/*! \fn bool QFuture::isFinished() const
+
+    Returns true if the asynchronous computation represented by this future
+    has finished; otherwise returns false.
+*/
+
+/*! \fn bool QFuture::isRunning() const
+
+    Returns true if the asynchronous computation represented by this future is
+    currently running; otherwise returns false.
+*/
+
+/*! \fn int QFuture::resultCount() const
+
+    Returns the number of continuous results available in this future. The real
+    number of results stored might be different from this value, due to gaps
+    in the result set. It is always safe to iterate through the results from 0
+    to resultCount().
+    \sa result(), resultAt(), results()
+*/
+
+/*! \fn int QFuture::progressValue() const
+
+    Returns the current progress value, which is between the progressMinimum()
+    and progressMaximum().
+
+    \sa progressMinimum(), progressMaximum()
+*/
+
+/*! \fn int QFuture::progressMinimum() const
+
+    Returns the minimum progressValue().
+
+    \sa progressValue(), progressMaximum()
+*/
+
+/*! \fn int QFuture::progressMaximum() const
+
+    Returns the maximum progressValue().
+
+    \sa progressValue(), progressMinimum()
+*/
+
+/*! \fn QString QFuture::progressText() const
+
+    Returns the (optional) textual representation of the progress as reported
+    by the asynchronous computation.
+
+    Be aware that not all computations provide a textual representation of the
+    progress, and as such, this function may return an empty string.
+*/
+
+/*! \fn void QFuture::waitForFinished()
+
+    Waits for the asynchronous computation to finish (including cancel()ed
+    computations).
+*/
+
+/*! \fn T QFuture::result() const
+
+    Returns the first result in the future. If the result is not immediately
+    available, this function will block and wait for the result to become
+    available. This is a convenience method for calling resultAt(0).
+
+    \sa resultAt(), results()
+*/
+
+/*! \fn T QFuture::resultAt(int index) const
+
+    Returns the result at \a index in the future. If the result is not
+    immediately available, this function will block and wait for the result to
+    become available.
+
+    \sa result(), results(), resultCount()
+*/
+
+/*! \fn bool QFuture::isResultReadyAt(int index) const
+
+    Returns true if the result at \a index is immediately available; otherwise
+    returns false.
+
+    \sa resultAt(), resultCount()
+*/
+
+/*! \fn QFuture::operator T() const
+
+    Returns the first result in the future. If the result is not immediately
+    available, this function will block and wait for the result to become
+    available. This is a convenience method for calling result() or
+    resultAt(0).
+
+    \sa result(), resultAt(), results()
+*/
+
+/*! \fn QList<T> QFuture::results() const
+
+    Returns all results from the future. If the results are not immediately
+    available, this function will block and wait for them to become available.
+
+    \sa result(), resultAt(), resultCount()
+*/
+
+/*! \fn QFuture::const_iterator QFuture::begin() const
+
+    Returns a const \l{STL-style iterator} pointing to the first result in the
+    future.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QFuture::const_iterator QFuture::end() const
+
+    Returns a const \l{STL-style iterator} pointing to the imaginary result
+    after the last result in the future.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QFuture::const_iterator QFuture::constBegin() const
+
+    Returns a const \l{STL-style iterator} pointing to the first result in the
+    future.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QFuture::const_iterator QFuture::constEnd() const
+
+    Returns a const \l{STL-style iterator} pointing to the imaginary result
+    after the last result in the future.
+
+    \sa constBegin(), end()
+*/
+
+/*! \class QFuture::const_iterator
+    \reentrant
+    \since 4.4
+
+    \brief The QFuture::const_iterator class provides an STL-style const
+    iterator for QFuture.
+
+    QFuture provides both \l{STL-style iterators} and \l{Java-style iterators}.
+    The STL-style iterators are more low-level and more cumbersome to use; on
+    the other hand, they are slightly faster and, for developers who already
+    know STL, have the advantage of familiarity.
+
+    The default QFuture::const_iterator constructor creates an uninitialized
+    iterator. You must initialize it using a QFuture function like
+    QFuture::constBegin() or QFuture::constEnd() before you start iterating.
+    Here's a typical loop that prints all the results available in a future:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qfuture.cpp 0
+
+    \sa QFutureIterator, QFuture
+*/
+
+/*! \typedef QFuture::const_iterator::iterator_category
+
+    Typedef for std::bidirectional_iterator_tag. Provided for STL compatibility.
+*/
+
+/*! \typedef QFuture::const_iterator::difference_type
+
+    Typedef for ptrdiff_t. Provided for STL compatibility.
+*/
+
+/*! \typedef QFuture::const_iterator::value_type
+
+    Typedef for T. Provided for STL compatibility.
+*/
+
+/*! \typedef QFuture::const_iterator::pointer
+
+    Typedef for const T *. Provided for STL compatibility.
+*/
+
+/*! \typedef QFuture::const_iterator::reference
+
+    Typedef for const T &. Provided for STL compatibility.
+*/
+
+/*! \fn QFuture::const_iterator::const_iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like operator*() and operator++() should not be called on an
+    uninitialized iterartor. Use operator=() to assign a value to it before
+    using it.
+
+    \sa QFuture::constBegin() QFuture::constEnd()
+*/
+
+/*! \fn QFuture::const_iterator::const_iterator(QFuture const * const future, int index)
+    \internal
+*/
+
+/*! \fn QFuture::const_iterator::const_iterator(const const_iterator &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn QFuture::const_iterator &QFuture::const_iterator::operator=(const const_iterator &other)
+
+    Assigns \a other to this iterator.
+*/
+
+/*! \fn const T &QFuture::const_iterator::operator*() const
+
+    Returns the current result.
+*/
+
+/*! \fn const T *QFuture::const_iterator::operator->() const
+
+    Returns a pointer to the current result.
+*/
+
+/*! \fn bool QFuture::const_iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different result than this iterator;
+    otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*! \fn bool QFuture::const_iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same result as this iterator;
+    otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*! \fn QFuture::const_iterator &QFuture::const_iterator::operator++()
+
+    The prefix ++ operator (\c{++it}) advances the iterator to the next result
+    in the future and returns an iterator to the new current result.
+
+    Calling this function on QFuture::constEnd() leads to undefined results.
+
+    \sa operator--()
+*/
+
+/*! \fn QFuture::const_iterator QFuture::const_iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{it++}) advances the iterator to the next
+    result in the future and returns an iterator to the previously current
+    result.
+*/
+
+/*! \fn QFuture::const_iterator &QFuture::const_iterator::operator--()
+
+    The prefix -- operator (\c{--it}) makes the preceding result current and
+    returns an iterator to the new current result.
+
+    Calling this function on QFuture::constBegin() leads to undefined results.
+
+    \sa operator++()
+*/
+
+/*! \fn QFuture::const_iterator QFuture::const_iterator::operator--(int)
+
+    \overload
+
+    The postfix -- operator (\c{it--}) makes the preceding result current and
+    returns an iterator to the previously current result.
+*/
+
+/*! \fn QFuture::const_iterator &QFuture::const_iterator::operator+=(int j)
+
+    Advances the iterator by \a j results. (If \a j is negative, the iterator
+    goes backward.)
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QFuture::const_iterator &QFuture::const_iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j results. (If \a j is negative, the
+    iterator goes forward.)
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \fn QFuture::const_iterator QFuture::const_iterator::operator+(int j) const
+
+    Returns an iterator to the results at \a j positions forward from this
+    iterator. (If \a j is negative, the iterator goes backward.)
+
+    \sa operator-(), operator+=()
+*/
+
+/*! \fn QFuture::const_iterator QFuture::const_iterator::operator-(int j) const
+
+    Returns an iterator to the result at \a j positions backward from this
+    iterator. (If \a j is negative, the iterator goes forward.)
+
+    \sa operator+(), operator-=()
+*/
+
+/*! \typedef QFuture::ConstIterator
+
+    Qt-style synonym for QFuture::const_iterator.
+*/
+
+/*!
+    \class QFutureIterator
+    \reentrant
+    \since 4.4
+    \inmodule QtCore
+
+    \brief The QFutureIterator class provides a Java-style const iterator for
+    QFuture.
+
+    QFuture has both \l{Java-style iterators} and \l{STL-style iterators}. The
+    Java-style iterators are more high-level and easier to use than the
+    STL-style iterators; on the other hand, they are slightly less efficient.
+
+    An alternative to using iterators is to use index positions. Some QFuture
+    member functions take an index as their first parameter, making it
+    possible to access results without using iterators.
+
+    QFutureIterator\<T\> allows you to iterate over a QFuture\<T\>. Note that
+    there is no mutable iterator for QFuture (unlike the other Java-style
+    iterators).
+
+    The QFutureIterator constructor takes a QFuture as its argument. After
+    construction, the iterator is located at the very beginning of the result
+    list (i.e. before the first result). Here's how to iterate over all the
+    results sequentially:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qfuture.cpp 1
+
+    The next() function returns the next result (waiting for it to become
+    available, if necessary) from the future and advances the iterator. Unlike
+    STL-style iterators, Java-style iterators point \e between results rather
+    than directly \e at results. The first call to next() advances the iterator
+    to the position between the first and second result, and returns the first
+    result; the second call to next() advances the iterator to the position
+    between the second and third result, and returns the second result; and
+    so on.
+
+    \img javaiterators1.png
+
+    Here's how to iterate over the elements in reverse order:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qfuture.cpp 2
+
+    If you want to find all occurrences of a particular value, use findNext()
+    or findPrevious() in a loop.
+
+    Multiple iterators can be used on the same future. If the future is
+    modified while a QFutureIterator is active, the QFutureIterator will
+    continue iterating over the original future, ignoring the modified copy.
+
+    \sa QFuture::const_iterator, QFuture
+*/
+
+/*!
+    \fn QFutureIterator::QFutureIterator(const QFuture<T> &future)
+
+    Constructs an iterator for traversing \a future. The iterator is set to be
+    at the front of the result list (before the first result).
+
+    \sa operator=()
+*/
+
+/*! \fn QFutureIterator &QFutureIterator::operator=(const QFuture<T> &future)
+
+    Makes the iterator operate on \a future. The iterator is set to be at the
+    front of the result list (before the first result).
+
+    \sa toFront(), toBack()
+*/
+
+/*! \fn void QFutureIterator::toFront()
+
+    Moves the iterator to the front of the result list (before the first
+    result).
+
+    \sa toBack(), next()
+*/
+
+/*! \fn void QFutureIterator::toBack()
+
+    Moves the iterator to the back of the result list (after the last result).
+
+    \sa toFront(), previous()
+*/
+
+/*! \fn bool QFutureIterator::hasNext() const
+
+    Returns true if there is at least one result ahead of the iterator, e.g.,
+    the iterator is \e not at the back of the result list; otherwise returns
+    false.
+
+    \sa hasPrevious(), next()
+*/
+
+/*! \fn const T &QFutureIterator::next()
+
+    Returns the next result and advances the iterator by one position.
+
+    Calling this function on an iterator located at the back of the result
+    list leads to undefined results.
+
+    \sa hasNext(), peekNext(), previous()
+*/
+
+/*! \fn const T &QFutureIterator::peekNext() const
+
+    Returns the next result without moving the iterator.
+
+    Calling this function on an iterator located at the back of the result
+    list leads to undefined results.
+
+    \sa hasNext(), next(), peekPrevious()
+*/
+
+/*! \fn bool QFutureIterator::hasPrevious() const
+
+    Returns true if there is at least one result ahead of the iterator, e.g.,
+    the iterator is \e not at the front of the result list; otherwise returns
+    false.
+
+    \sa hasNext(), previous()
+*/
+
+/*! \fn const T &QFutureIterator::previous()
+
+    Returns the previous result and moves the iterator back by one position.
+
+    Calling this function on an iterator located at the front of the result
+    list leads to undefined results.
+
+    \sa hasPrevious(), peekPrevious(), next()
+*/
+
+/*! \fn const T &QFutureIterator::peekPrevious() const
+
+    Returns the previous result without moving the iterator.
+
+    Calling this function on an iterator located at the front of the result
+    list leads to undefined results.
+
+    \sa hasPrevious(), previous(), peekNext()
+*/
+
+/*! \fn bool QFutureIterator::findNext(const T &value)
+
+    Searches for \a value starting from the current iterator position forward.
+    Returns true if \a value is found; otherwise returns false.
+
+    After the call, if \a value was found, the iterator is positioned just
+    after the matching result; otherwise, the iterator is positioned at the
+    back of the result list.
+
+    \sa findPrevious()
+*/
+
+/*! \fn bool QFutureIterator::findPrevious(const T &value)
+
+    Searches for \a value starting from the current iterator position
+    backward. Returns true if \a value is found; otherwise returns false.
+
+    After the call, if \a value was found, the iterator is positioned just
+    before the matching result; otherwise, the iterator is positioned at the
+    front of the result list.
+
+    \sa findNext()
+*/
diff --git a/src/corelib/concurrent/qfuture.h b/src/corelib/concurrent/qfuture.h
new file mode 100644
index 0000000000..da24db760e
--- /dev/null
+++ b/src/corelib/concurrent/qfuture.h
@@ -0,0 +1,278 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFUTURE_H
+#define QFUTURE_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_QFUTURE
+
+#include <QtCore/qfutureinterface.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qtconcurrentcompilertest.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <typename T>
+class QFutureWatcher;
+template <>
+class QFutureWatcher<void>;
+
+template <typename T>
+class QFuture
+{
+public:
+    QFuture()
+        : d(QFutureInterface<T>::canceledResult())
+    { }
+    explicit QFuture(QFutureInterface<T> *p) // internal
+        : d(*p)
+    { }
+    QFuture(const QFuture &other)
+        : d(other.d)
+    { }
+    ~QFuture()
+    { }
+
+    inline QFuture &operator=(const QFuture &other);
+    bool operator==(const QFuture &other) const { return (d == other.d); }
+    bool operator!=(const QFuture &other) const { return (d != other.d); }
+
+    void cancel() { d.cancel(); }
+    bool isCanceled() const { return d.isCanceled(); }
+
+    void setPaused(bool paused) { d.setPaused(paused); }
+    bool isPaused() const { return d.isPaused(); }
+    void pause() { setPaused(true); }
+    void resume() { setPaused(false); }
+    void togglePaused() { d.togglePaused(); }
+
+    bool isStarted() const { return d.isStarted(); }
+    bool isFinished() const { return d.isFinished(); }
+    bool isRunning() const { return d.isRunning(); }
+
+    int resultCount() const { return d.resultCount(); }
+    int progressValue() const { return d.progressValue(); }
+    int progressMinimum() const { return d.progressMinimum(); }
+    int progressMaximum() const { return d.progressMaximum(); }
+    QString progressText() const { return d.progressText(); }
+    void waitForFinished() { d.waitForFinished(); }
+
+    inline T result() const;
+    inline T resultAt(int index) const;
+    bool isResultReadyAt(int resultIndex) const { return d.isResultReadyAt(resultIndex); }
+
+    operator T() const { return result(); }
+    QList<T> results() const { return d.results(); }
+
+    class const_iterator
+    {
+    public:
+        typedef std::bidirectional_iterator_tag iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef const T *pointer;
+        typedef const T &reference;
+
+        inline const_iterator() {}
+        inline const_iterator(QFuture const * const _future, int _index) : future(_future), index(_index) {}
+        inline const_iterator(const const_iterator &o) : future(o.future), index(o.index)  {}
+        inline const_iterator &operator=(const const_iterator &o)
+        { future = o.future; index = o.index; return *this; }
+        inline const T &operator*() const { return future->d.resultReference(index); }
+        inline const T *operator->() const { return future->d.resultPointer(index); }
+
+        inline bool operator!=(const const_iterator &other) const
+        {
+            if (index == -1 && other.index == -1) // comparing end != end?
+                return false;
+            if (other.index == -1)
+                return (future->isRunning() || (index < future->resultCount()));
+            return (index != other.index);
+        }
+
+        inline bool operator==(const const_iterator &o) const { return !operator!=(o); }
+        inline const_iterator &operator++() { ++index; return *this; }
+        inline const_iterator operator++(int) { const_iterator r = *this; ++index; return r; }
+        inline const_iterator &operator--() { --index; return *this; }
+        inline const_iterator operator--(int) { const_iterator r = *this; --index; return r; }
+        inline const_iterator operator+(int j) const { return const_iterator(future, index + j); }
+        inline const_iterator operator-(int j) const { return const_iterator(future, index - j); }
+        inline const_iterator &operator+=(int j) { index += j; return *this; }
+        inline const_iterator &operator-=(int j) { index -= j; return *this; }
+    private:
+        QFuture const * future;
+        int index;
+    };
+    friend class const_iterator;
+    typedef const_iterator ConstIterator;
+
+    const_iterator begin() const { return  const_iterator(this, 0); }
+    const_iterator constBegin() const { return  const_iterator(this, 0); }
+    const_iterator end() const { return const_iterator(this, -1); }
+    const_iterator constEnd() const { return const_iterator(this, -1); }
+
+private:
+    friend class QFutureWatcher<T>;
+
+public: // Warning: the d pointer is not documented and is considered private.
+    mutable QFutureInterface<T> d;
+};
+
+template <typename T>
+inline QFuture<T> &QFuture<T>::operator=(const QFuture<T> &other)
+{
+    d = other.d;
+    return *this;
+}
+
+template <typename T>
+inline T QFuture<T>::result() const
+{
+    d.waitForResult(0);
+    return d.resultReference(0);
+}
+
+template <typename T>
+inline T QFuture<T>::resultAt(int index) const
+{
+    d.waitForResult(index);
+    return d.resultReference(index);
+}
+
+template <typename T>
+inline QFuture<T> QFutureInterface<T>::future()
+{
+    return QFuture<T>(this);
+}
+
+Q_DECLARE_SEQUENTIAL_ITERATOR(Future)
+
+template <>
+class QFuture<void>
+{
+public:
+    QFuture()
+        : d(QFutureInterface<void>::canceledResult())
+    { }
+    explicit QFuture(QFutureInterfaceBase *p) // internal
+        : d(*p)
+    { }
+    QFuture(const QFuture &other)
+        : d(other.d)
+    { }
+    ~QFuture()
+    { }
+
+    QFuture &operator=(const QFuture &other);
+    bool operator==(const QFuture &other) const { return (d == other.d); }
+    bool operator!=(const QFuture &other) const { return (d != other.d); }
+
+#ifndef QT_NO_MEMBER_TEMPLATES
+    template <typename T>
+    QFuture(const QFuture<T> &other)
+        : d(other.d)
+    { }
+
+    template <typename T>
+    QFuture<void> &operator=(const QFuture<T> &other)
+    {
+        d = other.d;
+        return *this;
+    }
+#endif
+
+    void cancel() { d.cancel(); }
+    bool isCanceled() const { return d.isCanceled(); }
+
+    void setPaused(bool paused) { d.setPaused(paused); }
+    bool isPaused() const { return d.isPaused(); }
+    void pause() { setPaused(true); }
+    void resume() { setPaused(false); }
+    void togglePaused() { d.togglePaused(); }
+
+    bool isStarted() const { return d.isStarted(); }
+    bool isFinished() const { return d.isFinished(); }
+    bool isRunning() const { return d.isRunning(); }
+
+    int resultCount() const { return d.resultCount(); }
+    int progressValue() const { return d.progressValue(); }
+    int progressMinimum() const { return d.progressMinimum(); }
+    int progressMaximum() const { return d.progressMaximum(); }
+    QString progressText() const { return d.progressText(); }
+    void waitForFinished() { d.waitForFinished(); }
+
+private:
+    friend class QFutureWatcher<void>;
+
+#ifdef QFUTURE_TEST
+public:
+#endif
+    mutable QFutureInterfaceBase d;
+};
+
+inline QFuture<void> &QFuture<void>::operator=(const QFuture<void> &other)
+{
+    d = other.d;
+    return *this;
+}
+
+inline QFuture<void> QFutureInterface<void>::future()
+{
+    return QFuture<void>(this);
+}
+
+template <typename T>
+QFuture<void> qToVoidFuture(const QFuture<T> &future)
+{
+    return QFuture<void>(future.d);
+}
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif // QFUTURE_H
diff --git a/src/corelib/concurrent/qfutureinterface.cpp b/src/corelib/concurrent/qfutureinterface.cpp
new file mode 100644
index 0000000000..b7589b7910
--- /dev/null
+++ b/src/corelib/concurrent/qfutureinterface.cpp
@@ -0,0 +1,564 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// qfutureinterface.h included from qfuture.h
+#include "qfuture.h"
+
+#ifndef QT_NO_QFUTURE
+
+#include <QtCore/qatomic.h>
+#include <QtCore/qthread.h>
+#include <QtCore/qthreadpool.h>
+#include <private/qthreadpool_p.h>
+
+#include "qfutureinterface_p.h"
+
+QT_BEGIN_NAMESPACE
+
+enum {
+    MaxProgressEmitsPerSecond = 25
+};
+
+QFutureInterfaceBase::QFutureInterfaceBase(State initialState)
+    : d(new QFutureInterfaceBasePrivate(initialState))
+{ }
+
+QFutureInterfaceBase::QFutureInterfaceBase(const QFutureInterfaceBase &other)
+    : d(other.d)
+{
+    d->refCount.ref();
+}
+
+QFutureInterfaceBase::~QFutureInterfaceBase()
+{
+    if (!d->refCount.deref())
+        delete d;
+}
+
+void QFutureInterfaceBase::cancel()
+{
+    QMutexLocker locker(&d->m_mutex);
+    if (d->state & Canceled)
+        return;
+
+    d->state = State((d->state & ~Paused) | Canceled);
+    d->waitCondition.wakeAll();
+    d->pausedWaitCondition.wakeAll();
+    d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Canceled));
+}
+
+void QFutureInterfaceBase::setPaused(bool paused)
+{
+    QMutexLocker locker(&d->m_mutex);
+    if (paused) {
+        d->state = State(d->state | Paused);
+        d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Paused));
+    } else {
+        d->state = State(d->state & ~Paused);
+        d->pausedWaitCondition.wakeAll();
+        d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Resumed));
+    }
+}
+
+void QFutureInterfaceBase::togglePaused()
+{
+    QMutexLocker locker(&d->m_mutex);
+    if (d->state & Paused) {
+        d->state = State(d->state & ~Paused);
+        d->pausedWaitCondition.wakeAll();
+        d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Resumed));
+    } else {
+        d->state = State(d->state | Paused);
+        d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Paused));
+    }
+}
+
+void QFutureInterfaceBase::setThrottled(bool enable)
+{
+    // bail out if we are not changing the state
+    if ((enable && (d->state & Throttled)) || (!enable && !(d->state & Throttled)))
+        return;
+
+    // lock and change the state
+    QMutexLocker lock(&d->m_mutex);
+    if (enable) {
+        d->state  = State(d->state | Throttled);
+    } else {
+        d->state  = State(d->state & ~Throttled);
+        if (!(d->state & Paused))
+            d->pausedWaitCondition.wakeAll();
+    }
+}
+
+
+bool QFutureInterfaceBase::isRunning() const
+{
+    return queryState(Running);
+}
+
+bool QFutureInterfaceBase::isStarted() const
+{
+    return queryState(Started);
+}
+
+bool QFutureInterfaceBase::isCanceled() const
+{
+    return queryState(Canceled);
+}
+
+bool QFutureInterfaceBase::isFinished() const
+{
+    return queryState(Finished);
+}
+
+bool QFutureInterfaceBase::isPaused() const
+{
+    return queryState(Paused);
+}
+
+bool QFutureInterfaceBase::isThrottled() const
+{
+    return queryState(Throttled);
+}
+
+bool QFutureInterfaceBase::isResultReadyAt(int index) const
+{
+    QMutexLocker lock(&d->m_mutex);
+    return d->internal_isResultReadyAt(index);
+}
+
+bool QFutureInterfaceBase::waitForNextResult()
+{
+    QMutexLocker lock(&d->m_mutex);
+    return d->internal_waitForNextResult();
+}
+
+void QFutureInterfaceBase::waitForResume()
+{
+    // return early if possible to avoid taking the mutex lock.
+    if ((d->state & Paused) == false || (d->state & Canceled))
+        return;
+
+    QMutexLocker lock(&d->m_mutex);
+    if ((d->state & Paused) == false || (d->state & Canceled))
+        return;
+
+    // decrease active thread count since this thread will wait.
+    QThreadPool::globalInstance()->releaseThread();
+
+    d->pausedWaitCondition.wait(&d->m_mutex);
+
+    QThreadPool::globalInstance()->reserveThread();
+}
+
+int QFutureInterfaceBase::progressValue() const
+{
+    return d->m_progressValue;
+}
+
+int QFutureInterfaceBase::progressMinimum() const
+{
+    return d->m_progressMinimum;
+}
+
+int QFutureInterfaceBase::progressMaximum() const
+{
+    return d->m_progressMaximum;
+}
+
+int QFutureInterfaceBase::resultCount() const
+{
+    QMutexLocker lock(&d->m_mutex);
+    return d->internal_resultCount();
+}
+
+QString QFutureInterfaceBase::progressText() const
+{
+    QMutexLocker locker(&d->m_mutex);
+    return d->m_progressText;
+}
+
+bool QFutureInterfaceBase::isProgressUpdateNeeded() const
+{
+    QMutexLocker locker(&d->m_mutex);
+    return (d->progressTime.elapsed() > (1000 / MaxProgressEmitsPerSecond));
+}
+
+void QFutureInterfaceBase::reportStarted()
+{
+    QMutexLocker locker(&d->m_mutex);
+    if ((d->state & Started) || (d->state & Canceled) || (d->state & Finished))
+        return;
+
+    d->setState(State(Started | Running));
+    d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Started));
+}
+
+void QFutureInterfaceBase::reportCanceled()
+{
+    cancel();
+}
+
+#ifndef QT_NO_EXCEPTIONS
+void QFutureInterfaceBase::reportException(const QtConcurrent::Exception &exception)
+{
+    QMutexLocker locker(&d->m_mutex);
+    if ((d->state & Canceled) || (d->state & Finished))
+        return;
+
+    d->m_exceptionStore.setException(exception);
+    d->state = State(d->state | Canceled);
+    d->waitCondition.wakeAll();
+    d->pausedWaitCondition.wakeAll();
+    d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Canceled));
+}
+#endif
+
+void QFutureInterfaceBase::reportFinished()
+{
+    QMutexLocker locker(&d->m_mutex);
+    if (!(d->state & Finished)) {
+        d->state = State((d->state & ~Running) | Finished);
+        d->waitCondition.wakeAll();
+        d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Finished));
+    }
+}
+
+void QFutureInterfaceBase::setExpectedResultCount(int resultCount)
+{
+    if (d->manualProgress == false)
+        setProgressRange(0, resultCount);
+    d->m_expectedResultCount = resultCount;
+}
+
+int QFutureInterfaceBase::expectedResultCount()
+{
+    return d->m_expectedResultCount;
+}
+
+bool QFutureInterfaceBase::queryState(State state) const
+{
+    return (d->state & state);
+}
+
+void QFutureInterfaceBase::waitForResult(int resultIndex)
+{
+    d->m_exceptionStore.throwPossibleException();
+
+    if (!(d->state & Running))
+        return;
+
+    // To avoid deadlocks and reduce the number of threads used, try to 
+    // run the runnable in the current thread.
+    QThreadPool::globalInstance()->d_func()->stealRunnable(d->runnable);
+
+    QMutexLocker lock(&d->m_mutex);
+
+    if (!(d->state & Running))
+        return;
+
+    const int waitIndex = (resultIndex == -1) ? INT_MAX : resultIndex;
+    while ((d->state & Running) && d->internal_isResultReadyAt(waitIndex) == false)
+        d->waitCondition.wait(&d->m_mutex);
+
+    d->m_exceptionStore.throwPossibleException();
+}
+
+void QFutureInterfaceBase::waitForFinished()
+{
+    if (d->state & Running) {
+        QThreadPool::globalInstance()->d_func()->stealRunnable(d->runnable);
+
+        QMutexLocker lock(&d->m_mutex);
+
+        while (d->state & Running)
+            d->waitCondition.wait(&d->m_mutex);
+    }
+
+    d->m_exceptionStore.throwPossibleException();
+}
+
+void QFutureInterfaceBase::reportResultsReady(int beginIndex, int endIndex)
+{
+    if ((d->state & Canceled) || (d->state & Finished) || beginIndex == endIndex)
+        return;
+
+    d->waitCondition.wakeAll();
+
+    if (d->manualProgress == false) {
+        if (d->internal_updateProgress(d->m_progressValue + endIndex - beginIndex) == false) {
+            d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::ResultsReady,
+                                               beginIndex,
+                                               endIndex));
+            return;
+        }
+
+        d->sendCallOuts(QFutureCallOutEvent(QFutureCallOutEvent::Progress,
+                                            d->m_progressValue,
+                                            d->m_progressText),
+                        QFutureCallOutEvent(QFutureCallOutEvent::ResultsReady,
+                                            beginIndex,
+                                            endIndex));
+        return;
+    }
+    d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::ResultsReady, beginIndex, endIndex));
+}
+
+void QFutureInterfaceBase::setRunnable(QRunnable *runnable)
+{
+    d->runnable = runnable;
+}
+
+void QFutureInterfaceBase::setFilterMode(bool enable)
+{
+    QMutexLocker locker(&d->m_mutex);
+    resultStoreBase().setFilterMode(enable);
+}
+
+void QFutureInterfaceBase::setProgressRange(int minimum, int maximum)
+{
+    QMutexLocker locker(&d->m_mutex);
+    d->m_progressMinimum = minimum;
+    d->m_progressMaximum = maximum;
+    d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::ProgressRange, minimum, maximum));
+}
+
+void QFutureInterfaceBase::setProgressValue(int progressValue)
+{
+    setProgressValueAndText(progressValue, QString());
+}
+
+void QFutureInterfaceBase::setProgressValueAndText(int progressValue,
+                                                   const QString &progressText)
+{
+    QMutexLocker locker(&d->m_mutex);
+    if (d->manualProgress == false)
+        d->manualProgress = true;
+    if (d->m_progressValue >= progressValue)
+        return;
+
+    if ((d->state & Canceled) || (d->state & Finished))
+        return;
+
+    if (d->internal_updateProgress(progressValue, progressText)) {
+        d->sendCallOut(QFutureCallOutEvent(QFutureCallOutEvent::Progress,
+                                           d->m_progressValue,
+                                           d->m_progressText));
+    }
+}
+
+QMutex *QFutureInterfaceBase::mutex() const
+{
+    return &d->m_mutex;
+}
+
+QtConcurrent::internal::ExceptionStore &QFutureInterfaceBase::exceptionStore()
+{
+    return d->m_exceptionStore;
+}
+
+QtConcurrent::ResultStoreBase &QFutureInterfaceBase::resultStoreBase()
+{
+    return d->m_results;
+}
+
+const QtConcurrent::ResultStoreBase &QFutureInterfaceBase::resultStoreBase() const
+{
+    return d->m_results;
+}
+
+QFutureInterfaceBase &QFutureInterfaceBase::operator=(const QFutureInterfaceBase &other)
+{
+    other.d->refCount.ref();
+    if (!d->refCount.deref())
+        delete d;
+    d = other.d;
+    return *this;
+}
+
+bool QFutureInterfaceBase::referenceCountIsOne() const
+{
+    return d->refCount == 1;
+}
+
+QFutureInterfaceBasePrivate::QFutureInterfaceBasePrivate(QFutureInterfaceBase::State initialState)
+    : refCount(1), m_progressValue(0), m_progressMinimum(0), m_progressMaximum(0),
+      state(initialState), progressTimeStarted(false), pendingResults(0),
+      manualProgress(false), m_expectedResultCount(0), runnable(0)
+{ }
+
+int QFutureInterfaceBasePrivate::internal_resultCount() const
+{
+    return m_results.count(); // ### subtract canceled results.
+}
+
+bool QFutureInterfaceBasePrivate::internal_isResultReadyAt(int index) const
+{
+    return (m_results.contains(index));
+}
+
+bool QFutureInterfaceBasePrivate::internal_waitForNextResult()
+{
+    if (m_results.hasNextResult())
+        return true;
+
+    while ((state & QFutureInterfaceBase::Running) && m_results.hasNextResult() == false)
+        waitCondition.wait(&m_mutex);
+
+    return (!(state & QFutureInterfaceBase::Canceled) && m_results.hasNextResult());
+}
+
+bool QFutureInterfaceBasePrivate::internal_updateProgress(int progress,
+                                                          const QString &progressText)
+{
+    if (m_progressValue >= progress)
+        return false;
+
+    m_progressValue = progress;
+    m_progressText = progressText;
+
+    if (progressTimeStarted == true && m_progressValue != m_progressMaximum) // make sure the first and last steps are emitted.
+        if (progressTime.elapsed() < (1000 / MaxProgressEmitsPerSecond))
+            return false;
+
+    progressTime.start();
+    progressTimeStarted = true;
+    return true;
+}
+
+void QFutureInterfaceBasePrivate::internal_setThrottled(bool enable)
+{
+    // bail out if we are not changing the state
+    if ((enable && (state & QFutureInterfaceBase::Throttled))
+        || (!enable && !(state & QFutureInterfaceBase::Throttled)))
+        return;
+
+    // change the state
+    if (enable) {
+        state  = QFutureInterfaceBase::State(state | QFutureInterfaceBase::Throttled);
+    } else {
+        state  = QFutureInterfaceBase::State(state & ~QFutureInterfaceBase::Throttled);
+        if (!(state & QFutureInterfaceBase::Paused))
+            pausedWaitCondition.wakeAll();
+    }
+}
+
+void QFutureInterfaceBasePrivate::sendCallOut(const QFutureCallOutEvent &callOutEvent)
+{
+    if (outputConnections.isEmpty())
+        return;
+
+    for (int i = 0; i < outputConnections.count(); ++i)
+        outputConnections.at(i)->postCallOutEvent(callOutEvent);
+}
+
+void QFutureInterfaceBasePrivate::sendCallOuts(const QFutureCallOutEvent &callOutEvent1,
+                                     const QFutureCallOutEvent &callOutEvent2)
+{
+    if (outputConnections.isEmpty())
+        return;
+
+    for (int i = 0; i < outputConnections.count(); ++i) {
+        QFutureCallOutInterface *interface = outputConnections.at(i);
+        interface->postCallOutEvent(callOutEvent1);
+        interface->postCallOutEvent(callOutEvent2);
+    }
+}
+
+// This function connects an output interface (for example a QFutureWatcher)
+// to this future. While holding the lock we check the state and ready results
+// and add the appropriate callouts to the queue. In order to avoid deadlocks,
+// the actual callouts are made at the end while not holding the lock.
+void QFutureInterfaceBasePrivate::connectOutputInterface(QFutureCallOutInterface *interface)
+{
+    QMutexLocker locker(&m_mutex);
+
+    if (state & QFutureInterfaceBase::Started) {
+        interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Started));
+        interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::ProgressRange,
+                                                        m_progressMinimum,
+                                                        m_progressMaximum));
+        interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Progress,
+                                                        m_progressValue,
+                                                        m_progressText));
+    }
+
+    QtConcurrent::ResultIteratorBase it = m_results.begin();
+    while (it != m_results.end()) {
+        const int begin = it.resultIndex();
+        const int end = begin + it.batchSize();
+        interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::ResultsReady,
+                                                        begin,
+                                                        end));
+        it.batchedAdvance();
+    }
+
+    if (state & QFutureInterfaceBase::Paused)
+        interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Paused));
+
+    if (state & QFutureInterfaceBase::Canceled)
+        interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Canceled));
+
+    if (state & QFutureInterfaceBase::Finished)
+        interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Finished));
+
+    outputConnections.append(interface);
+}
+
+void QFutureInterfaceBasePrivate::disconnectOutputInterface(QFutureCallOutInterface *interface)
+{
+    QMutexLocker lock(&m_mutex);
+    const int index = outputConnections.indexOf(interface);
+    if (index == -1)
+        return;
+    outputConnections.removeAt(index);
+
+    interface->callOutInterfaceDisconnected();
+}
+
+void QFutureInterfaceBasePrivate::setState(QFutureInterfaceBase::State newState)
+{
+    state = newState;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CONCURRENT
diff --git a/src/corelib/concurrent/qfutureinterface.h b/src/corelib/concurrent/qfutureinterface.h
new file mode 100644
index 0000000000..85d03c986c
--- /dev/null
+++ b/src/corelib/concurrent/qfutureinterface.h
@@ -0,0 +1,311 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFUTUREINTERFACE_H
+#define QFUTUREINTERFACE_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qrunnable.h>
+
+#ifndef QT_NO_QFUTURE
+
+#include <QtCore/qmutex.h>
+#include <QtCore/qtconcurrentexception.h>
+#include <QtCore/qtconcurrentresultstore.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <typename T> class QFuture;
+class QFutureInterfaceBasePrivate;
+class QFutureWatcherBase;
+class QFutureWatcherBasePrivate;
+
+class Q_CORE_EXPORT QFutureInterfaceBase
+{
+public:
+    enum State {
+        NoState   = 0x00,
+        Running   = 0x01,
+        Started   = 0x02,
+        Finished  = 0x04,
+        Canceled  = 0x08,
+        Paused    = 0x10,
+        Throttled = 0x20
+    };
+
+    QFutureInterfaceBase(State initialState = NoState);
+    QFutureInterfaceBase(const QFutureInterfaceBase &other);
+    virtual ~QFutureInterfaceBase();
+
+    // reporting functions available to the engine author:
+    void reportStarted();
+    void reportFinished();
+    void reportCanceled();
+#ifndef QT_NO_EXCEPTIONS
+    void reportException(const QtConcurrent::Exception &e);
+#endif
+    void reportResultsReady(int beginIndex, int endIndex);
+
+    void setRunnable(QRunnable *runnable);
+    void setFilterMode(bool enable);
+    void setProgressRange(int minimum, int maximum);
+    int progressMinimum() const;
+    int progressMaximum() const;
+    bool isProgressUpdateNeeded() const;
+    void setProgressValue(int progressValue);
+    int progressValue() const;
+    void setProgressValueAndText(int progressValue, const QString &progressText);
+    QString progressText() const;
+
+    void setExpectedResultCount(int resultCount);
+    int expectedResultCount();
+    int resultCount() const;
+
+    bool queryState(State state) const;
+    bool isRunning() const;
+    bool isStarted() const;
+    bool isCanceled() const;
+    bool isFinished() const;
+    bool isPaused() const;
+    bool isThrottled() const;
+    bool isResultReadyAt(int index) const;
+
+    void cancel();
+    void setPaused(bool paused);
+    void togglePaused();
+    void setThrottled(bool enable);
+
+    void waitForFinished();
+    bool waitForNextResult();
+    void waitForResult(int resultIndex);
+    void waitForResume();
+
+    QMutex *mutex() const;
+    QtConcurrent::internal::ExceptionStore &exceptionStore();
+    QtConcurrent::ResultStoreBase &resultStoreBase();
+    const QtConcurrent::ResultStoreBase &resultStoreBase() const;
+
+    inline bool operator==(const QFutureInterfaceBase &other) const { return d == other.d; }
+    inline bool operator!=(const QFutureInterfaceBase &other) const { return d != other.d; }
+    QFutureInterfaceBase &operator=(const QFutureInterfaceBase &other);
+
+protected:
+    bool referenceCountIsOne() const;
+public:
+
+#ifndef QFUTURE_TEST
+private:
+#endif
+    QFutureInterfaceBasePrivate *d;
+
+private:
+    friend class QFutureWatcherBase;
+    friend class QFutureWatcherBasePrivate;
+};
+
+template <typename T>
+class QFutureInterface : public QFutureInterfaceBase
+{
+public:
+    QFutureInterface(State initialState = NoState)
+        : QFutureInterfaceBase(initialState)
+    { }
+    QFutureInterface(const QFutureInterface &other)
+        : QFutureInterfaceBase(other)
+    { }
+    ~QFutureInterface()
+    {
+        if (referenceCountIsOne())
+            resultStore().clear();
+    }
+
+    static QFutureInterface canceledResult()
+    { return QFutureInterface(State(Started | Finished | Canceled)); }
+
+    QFutureInterface &operator=(const QFutureInterface &other)
+    {
+        QFutureInterfaceBase::operator=(other);
+        return *this;
+    }
+
+    inline QFuture<T> future(); // implemented in qfuture.h
+
+    inline void reportResult(const T *result, int index = -1);
+    inline void reportResult(const T &result, int index = -1);
+    inline void reportResults(const QVector<T> &results, int beginIndex = -1, int count = -1);
+    inline void reportFinished(const T *result = 0);
+
+    inline const T &resultReference(int index) const;
+    inline const T *resultPointer(int index) const;
+    inline QList<T> results();
+private:
+    QtConcurrent::ResultStore<T> &resultStore()
+    { return static_cast<QtConcurrent::ResultStore<T> &>(resultStoreBase()); }
+    const QtConcurrent::ResultStore<T> &resultStore() const
+    { return static_cast<const QtConcurrent::ResultStore<T> &>(resultStoreBase()); }
+};
+
+template <typename T>
+inline void QFutureInterface<T>::reportResult(const T *result, int index)
+{
+    QMutexLocker locker(mutex());
+    if (this->queryState(Canceled) || this->queryState(Finished)) {
+        return;
+    }
+
+    QtConcurrent::ResultStore<T> &store = resultStore();
+
+
+    if (store.filterMode()) {
+        const int resultCountBefore = store.count();
+        store.addResult(index, result);
+        this->reportResultsReady(resultCountBefore, resultCountBefore + store.count());
+    } else {
+        const int insertIndex = store.addResult(index, result);
+        this->reportResultsReady(insertIndex, insertIndex + 1);
+    }
+}
+
+template <typename T>
+inline void QFutureInterface<T>::reportResult(const T &result, int index)
+{
+    reportResult(&result, index);
+}
+
+template <typename T>
+inline void QFutureInterface<T>::reportResults(const QVector<T> &_results, int beginIndex, int count)
+{
+    QMutexLocker locker(mutex());
+    if (this->queryState(Canceled) || this->queryState(Finished)) {
+        return;
+    }
+
+    QtConcurrent::ResultStore<T> &store = resultStore();
+
+    if (store.filterMode()) {
+        const int resultCountBefore = store.count();
+        store.addResults(beginIndex, &_results, count);
+        this->reportResultsReady(resultCountBefore, store.count());
+    } else {
+        const int insertIndex = store.addResults(beginIndex, &_results, count);
+        this->reportResultsReady(insertIndex, insertIndex + _results.count());    
+    }
+}
+
+template <typename T>
+inline void QFutureInterface<T>::reportFinished(const T *result)
+{
+    if (result)
+        reportResult(result);
+    QFutureInterfaceBase::reportFinished();
+}
+
+template <typename T>
+inline const T &QFutureInterface<T>::resultReference(int index) const
+{
+    QMutexLocker lock(mutex());
+    return resultStore().resultAt(index).value();
+}
+
+template <typename T>
+inline const T *QFutureInterface<T>::resultPointer(int index) const
+{
+    QMutexLocker lock(mutex());
+    return resultStore().resultAt(index).pointer();
+}
+
+template <typename T>
+inline QList<T> QFutureInterface<T>::results()
+{
+    if (this->isCanceled()) {
+        exceptionStore().throwPossibleException();
+        return QList<T>();
+    }
+    QFutureInterfaceBase::waitForResult(-1);
+
+    QList<T> res;
+    QMutexLocker lock(mutex());
+
+    QtConcurrent::ResultIterator<T> it = resultStore().begin();
+    while (it != resultStore().end()) {
+        res.append(it.value());
+        ++it;
+    }
+
+    return res;
+}
+
+template <>
+class QFutureInterface<void> : public QFutureInterfaceBase
+{
+public:
+    QFutureInterface<void>(State initialState = NoState)
+        : QFutureInterfaceBase(initialState)
+    { }
+    QFutureInterface<void>(const QFutureInterface<void> &other)
+        : QFutureInterfaceBase(other)
+    { }
+
+    static QFutureInterface<void> canceledResult()
+    { return QFutureInterface(State(Started | Finished | Canceled)); }
+
+    QFutureInterface<void> &operator=(const QFutureInterface<void> &other)
+    {
+        QFutureInterfaceBase::operator=(other);
+        return *this;
+    }
+
+    inline QFuture<void> future(); // implemented in qfuture.h
+
+    void reportResult(const void *, int) { }
+    void reportResults(const QVector<void> &, int) { }
+    void reportFinished(void * = 0) { QFutureInterfaceBase::reportFinished(); }
+};
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif // QFUTUREINTERFACE_H
diff --git a/src/corelib/concurrent/qfutureinterface_p.h b/src/corelib/concurrent/qfutureinterface_p.h
new file mode 100644
index 0000000000..719d7a13c1
--- /dev/null
+++ b/src/corelib/concurrent/qfutureinterface_p.h
@@ -0,0 +1,168 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFUTUREINTERFACE_P_H
+#define QFUTUREINTERFACE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qdatetime.h>
+#include <QtCore/qcoreevent.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qwaitcondition.h>
+#include <QtCore/qrunnable.h>
+
+QT_BEGIN_NAMESPACE
+
+class QFutureCallOutEvent : public QEvent
+{
+public:
+    enum CallOutType {
+        Started,
+        Finished,
+        Canceled,
+        Paused,
+        Resumed,
+        Progress,
+        ProgressRange,
+        ResultsReady
+    };
+
+    QFutureCallOutEvent()
+        : QEvent(QEvent::FutureCallOut), callOutType(CallOutType(0)), index1(-1), index2(-1)
+    { }
+    QFutureCallOutEvent(CallOutType callOutType, int index1 = -1)
+        : QEvent(QEvent::FutureCallOut), callOutType(callOutType), index1(index1), index2(-1)
+    { }
+    QFutureCallOutEvent(CallOutType callOutType, int index1, int index2)
+        : QEvent(QEvent::FutureCallOut), callOutType(callOutType), index1(index1), index2(index2)
+    { }
+
+    QFutureCallOutEvent(CallOutType callOutType, int index1, const QString &text)
+        : QEvent(QEvent::FutureCallOut),
+          callOutType(callOutType),
+          index1(index1),
+          index2(-1),
+          text(text)
+    { }
+
+    CallOutType callOutType;
+    int index1;
+    int index2;
+    QString text;
+
+    QFutureCallOutEvent *clone() const
+    {
+        return new QFutureCallOutEvent(callOutType, index1, index2, text);
+    }
+
+private:
+    QFutureCallOutEvent(CallOutType callOutType,
+                        int index1,
+                        int index2,
+                        const QString &text)
+        : QEvent(QEvent::FutureCallOut),
+          callOutType(callOutType),
+          index1(index1),
+          index2(index2),
+          text(text)
+    { }
+};
+
+class QFutureCallOutInterface
+{
+public:
+    virtual ~QFutureCallOutInterface() {}
+    virtual void postCallOutEvent(const QFutureCallOutEvent &) = 0;
+    virtual void callOutInterfaceDisconnected() = 0;
+};
+
+class QFutureInterfaceBasePrivate
+{
+public:
+    QFutureInterfaceBasePrivate(QFutureInterfaceBase::State initialState);
+
+    QAtomicInt refCount;
+    mutable QMutex m_mutex;
+    QWaitCondition waitCondition;
+    QList<QFutureCallOutInterface *> outputConnections;
+    int m_progressValue;
+    int m_progressMinimum;
+    int m_progressMaximum;
+    QFutureInterfaceBase::State state;
+    QTime progressTime;
+    bool progressTimeStarted;
+    QWaitCondition pausedWaitCondition;
+    int pendingResults;
+    QtConcurrent::ResultStoreBase m_results;
+    bool manualProgress;
+    int m_expectedResultCount;
+    QtConcurrent::internal::ExceptionStore m_exceptionStore;
+    QString m_progressText;
+    QRunnable *runnable;
+
+    // Internal functions that does not change the mutex state.
+    // The mutex must be locked when calling these.
+    int internal_resultCount() const;
+    bool internal_isResultReadyAt(int index) const;
+    bool internal_waitForNextResult();
+    bool internal_updateProgress(int progress, const QString &progressText = QString());
+    void internal_setThrottled(bool enable);
+    void sendCallOut(const QFutureCallOutEvent &callOut);
+    void sendCallOuts(const QFutureCallOutEvent &callOut1, const QFutureCallOutEvent &callOut2);
+    void connectOutputInterface(QFutureCallOutInterface *iface);
+    void disconnectOutputInterface(QFutureCallOutInterface *iface);
+
+    void setState(QFutureInterfaceBase::State state);
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/concurrent/qfuturesynchronizer.cpp b/src/corelib/concurrent/qfuturesynchronizer.cpp
new file mode 100644
index 0000000000..a0e88f3e16
--- /dev/null
+++ b/src/corelib/concurrent/qfuturesynchronizer.cpp
@@ -0,0 +1,154 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*! \class QFutureSynchronizer
+    \since 4.4
+
+    \brief The QFutureSynchronizer class is a convenience class that simplifies
+    QFuture synchronization.
+    
+    QFutureSynchronizer is a template class that simplifies synchronization of
+    one or more QFuture objects. Futures are added using the addFuture() or
+    setFuture() functions. The futures() function returns a list of futures.
+    Use clearFutures() to remove all futures from the QFutureSynchronizer.
+    
+    The waitForFinished() function waits for all futures to finish.
+    The destructor of QFutureSynchronizer calls waitForFinished(), providing
+    an easy way to ensure that all futures have finished before returning from
+    a function:
+    
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qfuturesynchronizer.cpp 0
+    
+    The behavior of waitForFinished() can be changed using the
+    setCancelOnWait() function. Calling setCancelOnWait(true) will cause
+    waitForFinished() to cancel all futures before waiting for them to finish.
+    You can query the status of the cancel-on-wait feature using the
+    cancelOnWait() function.
+    
+    \sa QFuture, QFutureWatcher, {threads.html#qtconcurrent-intro}{Qt Concurrent}
+*/
+
+/*!
+    \fn QFutureSynchronizer::QFutureSynchronizer()
+
+    Constructs a QFutureSynchronizer.
+*/
+
+/*!
+    \fn QFutureSynchronizer::QFutureSynchronizer(const QFuture<T> &future)
+
+    Constructs a QFutureSynchronizer and begins watching \a future by calling
+    addFuture().
+    
+    \sa addFuture()
+*/
+
+/*!
+    \fn QFutureSynchronizer::~QFutureSynchronizer()
+    
+    Calls waitForFinished() function to ensure that all futures have finished
+    before destroying this QFutureSynchronizer.
+    
+    \sa waitForFinished()
+*/
+
+/*!
+    \fn void QFutureSynchronizer::setFuture(const QFuture<T> &future)
+    
+    Sets \a future to be the only future managed by this QFutureSynchronizer.
+    This is a convenience function that calls waitForFinished(),
+    then clearFutures(), and finally passes \a future to addFuture().
+    
+    \sa addFuture(), waitForFinished(), clearFutures()
+*/
+
+/*!
+    \fn void QFutureSynchronizer::addFuture(const QFuture<T> &future)
+
+    Adds \a future to the list of managed futures.
+    
+    \sa futures()
+*/
+
+/*!
+    \fn void QFutureSynchronizer::waitForFinished()
+
+    Waits for all futures to finish. If cancelOnWait() returns true, each
+    future is canceled before waiting for them to finish.
+    
+    \sa cancelOnWait(), setCancelOnWait()
+*/
+
+/*!
+    \fn void QFutureSynchronizer::clearFutures()
+
+    Removes all managed futures from this QFutureSynchronizer.
+    
+    \sa addFuture(), setFuture()   
+*/
+
+/*!
+    \fn QList<QFuture<T> > QFutureSynchronizer::futures() const
+
+    Returns a list of all managed futures.
+    
+    \sa addFuture(), setFuture()
+*/
+
+/*!
+    \fn void QFutureSynchronizer::setCancelOnWait(bool enabled)
+    
+    Enables or disables the cancel-on-wait feature based on the \a enabled
+    argument. If \a enabled is true, the waitForFinished() function will cancel
+    all futures before waiting for them to finish.
+
+    \sa waitForFinished()
+*/
+
+/*!
+    \fn bool QFutureSynchronizer::cancelOnWait() const
+
+    Returns true if the cancel-on-wait feature is enabled; otherwise returns
+    false. If cancel-on-wait is enabled, the waitForFinished() function will
+    cancel all futures before waiting for them to finish.
+
+    \sa waitForFinished()
+*/
diff --git a/src/corelib/concurrent/qfuturesynchronizer.h b/src/corelib/concurrent/qfuturesynchronizer.h
new file mode 100644
index 0000000000..daf65b9eba
--- /dev/null
+++ b/src/corelib/concurrent/qfuturesynchronizer.h
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFUTRUESYNCHRONIZER_H
+#define QFUTRUESYNCHRONIZER_H
+
+#include <QtCore/qfuture.h>
+
+#ifndef QT_NO_CONCURRENT
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <typename T>
+class QFutureSynchronizer
+{
+    Q_DISABLE_COPY(QFutureSynchronizer)
+
+public:
+    QFutureSynchronizer() : m_cancelOnWait(false) { }
+    explicit QFutureSynchronizer(const QFuture<T> &future)
+        : m_cancelOnWait(false)
+    { addFuture(future); }
+    ~QFutureSynchronizer()  { waitForFinished(); }
+
+    void setFuture(const QFuture<T> &future)
+    {
+        waitForFinished();
+        m_futures.clear();
+        addFuture(future);
+    }
+
+    void addFuture(const QFuture<T> &future)
+    {
+        m_futures.append(future);
+    }
+
+    void waitForFinished()
+    {
+        if (m_cancelOnWait) {
+            for (int i = 0; i < m_futures.count(); ++i) {
+                 m_futures[i].cancel();
+            }
+        }
+        
+        for (int i = 0; i < m_futures.count(); ++i) {
+             m_futures[i].waitForFinished();
+         }
+    }
+
+    void clearFutures()
+    {
+        m_futures.clear();
+    }
+
+    QList<QFuture<T> > futures() const
+    {
+        return m_futures;
+    }
+
+    void setCancelOnWait(bool enabled)
+    {
+        m_cancelOnWait = enabled;
+    }
+
+    bool cancelOnWait() const
+    {
+        return m_cancelOnWait;
+    }
+
+protected:
+    QList<QFuture<T> > m_futures;
+    bool m_cancelOnWait;
+};
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif // QFUTRUESYNCHRONIZER_H
diff --git a/src/corelib/concurrent/qfuturewatcher.cpp b/src/corelib/concurrent/qfuturewatcher.cpp
new file mode 100644
index 0000000000..ea35e9ee3d
--- /dev/null
+++ b/src/corelib/concurrent/qfuturewatcher.cpp
@@ -0,0 +1,574 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfuturewatcher.h"
+
+#ifndef QT_NO_QFUTURE
+
+#include <QEvent>
+#include <QCoreApplication>
+#include <QThread>
+
+#include "qfuturewatcher_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/*! \class QFutureWatcher
+    \reentrant
+    \since 4.4
+
+    \brief The QFutureWatcher class allows monitoring a QFuture using signals
+    and slots.
+
+    QFutureWatcher provides information and notifications about a QFuture. Use
+    the setFuture() function to start watching a particular QFuture. The
+    future() function returns the future set with setFuture().
+
+    For convenience, several of QFuture's functions are also available in
+    QFutureWatcher: progressValue(), progressMinimum(), progressMaximum(),
+    progressText(), isStarted(), isFinished(), isRunning(), isCanceled(),
+    isPaused(), waitForFinished(), result(), and resultAt(). The cancel(),
+    setPaused(), pause(), resume(), and togglePaused() functions are slots in
+    QFutureWatcher.
+
+    Status changes are reported via the started(), finished(), canceled(),
+    paused(), resumed(), resultReadyAt(), and resultsReadyAt() signals.
+    Progress information is provided from the progressRangeChanged(),
+    void progressValueChanged(), and progressTextChanged() signals.
+
+    Throttling control is provided by the setPendingResultsLimit() function.
+    When the number of pending resultReadyAt() or resultsReadyAt() signals
+    exceeds the limit, the computation represented by the future will be
+    throttled automatically. The computation will resume once the number of
+    pending signals drops below the limit.
+
+    Example: Starting a computation and getting a slot callback when it's
+    finished:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qfuturewatcher.cpp 0
+
+    Be aware that not all asynchronous computations can be canceled or paused.
+    For example, the future returned by QtConcurrent::run() cannot be
+    canceled; but the future returned by QtConcurrent::mappedReduced() can.
+
+    QFutureWatcher<void> is specialized to not contain any of the result
+    fetching functions. Any QFuture<T> can be watched by a
+    QFutureWatcher<void> as well. This is useful if only status or progress
+    information is needed; not the actual result data.
+
+    \sa QFuture, {threads.html#qtconcurrent-intro}{Qt Concurrent}
+*/
+
+/*! \fn QFutureWatcher::QFutureWatcher(QObject *parent)
+
+    Constructs a new QFutureWatcher with the given \a parent.
+*/
+QFutureWatcherBase::QFutureWatcherBase(QObject *parent)
+    :QObject(*new QFutureWatcherBasePrivate, parent)
+{ }
+
+/*! \fn QFutureWatcher::~QFutureWatcher()
+
+    Destroys the QFutureWatcher.
+*/
+
+/*! \fn void QFutureWatcher::cancel()
+
+    Cancels the asynchronous computation represented by the future(). Note that
+    the cancelation is asynchronous. Use waitForFinished() after calling
+    cancel() when you need synchronous cancelation.
+
+    Currently available results may still be accessed on a canceled QFuture,
+    but new results will \e not become available after calling this function.
+    Also, this QFutureWatcher will not deliver progress and result ready
+    signals once canceled. This includes the progressValueChanged(),
+    progressRangeChanged(), progressTextChanged(), resultReadyAt(), and
+    resultsReadyAt() signals.
+
+    Be aware that not all asynchronous computations can be canceled. For
+    example, the QFuture returned by QtConcurrent::run() cannot be canceled;
+    but the QFuture returned by QtConcurrent::mappedReduced() can.
+*/
+void QFutureWatcherBase::cancel()
+{
+    futureInterface().cancel();
+}
+
+/*! \fn void QFutureWatcher::setPaused(bool paused)
+
+    If \a paused is true, this function pauses the asynchronous computation
+    represented by the future(). If the computation is already paused, this
+    function does nothing. This QFutureWatcher will stop delivering progress
+    and result ready signals while the future is paused. Signal delivery will
+    continue once the computation is resumed.
+
+    If \a paused is false, this function resumes the asynchronous computation.
+    If the computation was not previously paused, this function does nothing.
+
+    Be aware that not all computations can be paused. For example, the
+    QFuture returned by QtConcurrent::run() cannot be paused; but the QFuture
+    returned by QtConcurrent::mappedReduced() can.
+
+    \sa pause(), resume(), togglePaused()
+*/
+void QFutureWatcherBase::setPaused(bool paused)
+{
+    futureInterface().setPaused(paused);
+}
+
+/*! \fn void QFutureWatcher::pause()
+
+    Pauses the asynchronous computation represented by the future(). This is a
+    convenience method that simply calls setPaused(true).
+
+    \sa resume()
+*/
+void QFutureWatcherBase::pause()
+{
+    futureInterface().setPaused(true);
+}
+
+/*! \fn void QFutureWatcher::resume()
+
+    Resumes the asynchronous computation represented by the future(). This is
+    a convenience method that simply calls setPaused(false).
+
+    \sa pause()
+*/
+void QFutureWatcherBase::resume()
+{
+    futureInterface().setPaused(false);
+}
+
+/*! \fn void QFutureWatcher::togglePaused()
+
+    Toggles the paused state of the asynchronous computation. In other words,
+    if the computation is currently paused, calling this function resumes it;
+    if the computation is running, it becomes paused. This is a convenience
+    method for calling setPaused(!isPaused()).
+
+    \sa setPaused(), pause(), resume()
+*/
+void QFutureWatcherBase::togglePaused()
+{
+    futureInterface().togglePaused();
+}
+
+/*! \fn int QFutureWatcher::progressValue() const
+
+    Returns the current progress value, which is between the progressMinimum()
+    and progressMaximum().
+
+    \sa progressMinimum(), progressMaximum()
+*/
+int QFutureWatcherBase::progressValue() const
+{
+    return futureInterface().progressValue();
+}
+
+/*! \fn int QFutureWatcher::progressMinimum() const
+
+    Returns the minimum progressValue().
+
+    \sa progressValue(), progressMaximum()
+*/
+int QFutureWatcherBase::progressMinimum() const
+{
+    return futureInterface().progressMinimum();
+}
+
+/*! \fn int QFutureWatcher::progressMaximum() const
+
+    Returns the maximum progressValue().
+
+    \sa progressValue(), progressMinimum()
+*/
+int QFutureWatcherBase::progressMaximum() const
+{
+    return futureInterface().progressMaximum();
+}
+
+/*! \fn QString QFutureWatcher::progressText() const
+
+    Returns the (optional) textual representation of the progress as reported
+    by the asynchronous computation.
+
+    Be aware that not all computations provide a textual representation of the
+    progress, and as such, this function may return an empty string.
+*/
+QString QFutureWatcherBase::progressText() const
+{
+    return futureInterface().progressText();
+}
+
+/*! \fn bool QFutureWatcher::isStarted() const
+
+    Returns true if the asynchronous computation represented by the future()
+    has been started; otherwise returns false.
+*/
+bool QFutureWatcherBase::isStarted() const
+{
+    return futureInterface().queryState(QFutureInterfaceBase::Started);
+}
+
+/*! \fn bool QFutureWatcher::isFinished() const
+
+    Returns true if the asynchronous computation represented by the future()
+    has finished; otherwise returns false.
+*/
+bool QFutureWatcherBase::isFinished() const
+{
+    Q_D(const QFutureWatcherBase);
+    return d->finished;
+}
+
+/*! \fn bool QFutureWatcher::isRunning() const
+
+    Returns true if the asynchronous computation represented by the future()
+    is currently running; otherwise returns false.
+*/
+bool QFutureWatcherBase::isRunning() const
+{
+    return futureInterface().queryState(QFutureInterfaceBase::Running);
+}
+
+/*! \fn bool QFutureWatcher::isCanceled() const
+
+    Returns true if the asynchronous computation has been canceled with the
+    cancel() function; otherwise returns false.
+
+    Be aware that the computation may still be running even though this
+    function returns true. See cancel() for more details.
+*/
+bool QFutureWatcherBase::isCanceled() const
+{
+    return futureInterface().queryState(QFutureInterfaceBase::Canceled);
+}
+
+/*! \fn bool QFutureWatcher::isPaused() const
+
+    Returns true if the asynchronous computation has been paused with the
+    pause() function; otherwise returns false.
+
+    Be aware that the computation may still be running even though this
+    function returns true. See setPaused() for more details.
+
+    \sa setPaused(), togglePaused()
+*/
+bool QFutureWatcherBase::isPaused() const
+{
+    return futureInterface().queryState(QFutureInterfaceBase::Paused);
+}
+
+/*! \fn void QFutureWatcher::waitForFinished()
+
+    Waits for the asynchronous computation to finish (including cancel()ed
+    computations).
+*/
+void QFutureWatcherBase::waitForFinished()
+{
+    futureInterface().waitForFinished();
+}
+
+/*! \fn void QFutureWatcher::setPendingResultsLimit(int limit)
+
+    The setPendingResultsLimit() provides throttling control. When the number
+    of pending resultReadyAt() or resultsReadyAt() signals exceeds the
+    \a limit, the computation represented by the future will be throttled
+    automatically. The computation will resume once the number of pending
+    signals drops below the \a limit.
+*/
+
+bool QFutureWatcherBase::event(QEvent *event)
+{
+    Q_D(QFutureWatcherBase);
+    if (event->type() == QEvent::FutureCallOut) {
+        QFutureCallOutEvent *callOutEvent = static_cast<QFutureCallOutEvent *>(event);
+
+        if (futureInterface().isPaused()) {
+            d->pendingCallOutEvents.append(callOutEvent->clone());
+            return true;
+        }
+
+        if (callOutEvent->callOutType == QFutureCallOutEvent::Resumed
+            && !d->pendingCallOutEvents.isEmpty()) {
+            // send the resume
+            d->sendCallOutEvent(callOutEvent);
+
+            // next send all pending call outs
+            for (int i = 0; i < d->pendingCallOutEvents.count(); ++i)
+                d->sendCallOutEvent(d->pendingCallOutEvents.at(i));
+            qDeleteAll(d->pendingCallOutEvents);
+            d->pendingCallOutEvents.clear();
+        } else {
+            d->sendCallOutEvent(callOutEvent);
+        }
+        return true;
+    }
+    return QObject::event(event);
+}
+
+void QFutureWatcherBase::setPendingResultsLimit(int limit)
+{
+    Q_D(QFutureWatcherBase);
+    d->maximumPendingResultsReady = limit;
+}
+
+void QFutureWatcherBase::connectNotify(const char * signal)
+{
+    Q_D(QFutureWatcherBase);
+    if (qstrcmp(signal, SIGNAL(resultReadyAt(int))) == 0)
+        d->resultAtConnected.ref();
+}
+
+void QFutureWatcherBase::disconnectNotify(const char * signal)
+{
+    Q_D(QFutureWatcherBase);
+    if (qstrcmp(signal, SIGNAL(resultReadyAt(int))) == 0)
+        d->resultAtConnected.deref();
+}
+
+/*!
+    \internal
+*/
+QFutureWatcherBasePrivate::QFutureWatcherBasePrivate()
+    : maximumPendingResultsReady(QThread::idealThreadCount() * 2),
+      resultAtConnected(0)
+{ }
+
+/*!
+    \internal
+*/
+void QFutureWatcherBase::connectOutputInterface()
+{
+    futureInterface().d->connectOutputInterface(d_func());
+}
+
+/*!
+    \internal
+*/
+void QFutureWatcherBase::disconnectOutputInterface(bool pendingAssignment)
+{
+    if (pendingAssignment) {
+        Q_D(QFutureWatcherBase);
+        d->pendingResultsReady = 0;
+        qDeleteAll(d->pendingCallOutEvents);
+        d->pendingCallOutEvents.clear();
+        d->finished = false;
+    }
+
+    futureInterface().d->disconnectOutputInterface(d_func());
+}
+
+void QFutureWatcherBasePrivate::postCallOutEvent(const QFutureCallOutEvent &callOutEvent)
+{
+    Q_Q(QFutureWatcherBase);
+
+    if (callOutEvent.callOutType == QFutureCallOutEvent::ResultsReady) {
+        if (pendingResultsReady.fetchAndAddRelaxed(1) >= maximumPendingResultsReady)
+            q->futureInterface().d->internal_setThrottled(true);
+    }
+
+    QCoreApplication::postEvent(q, callOutEvent.clone());
+}
+
+void QFutureWatcherBasePrivate::callOutInterfaceDisconnected()
+{
+    QCoreApplication::removePostedEvents(q_func(), QEvent::FutureCallOut);
+}
+
+void QFutureWatcherBasePrivate::sendCallOutEvent(QFutureCallOutEvent *event)
+{
+    Q_Q(QFutureWatcherBase);
+
+    switch (event->callOutType) {
+        case QFutureCallOutEvent::Started:
+            emit q->started();
+        break;
+        case QFutureCallOutEvent::Finished:
+            finished = true;
+            emit q->finished();
+        break;
+        case QFutureCallOutEvent::Canceled:
+            pendingResultsReady = 0;
+            emit q->canceled();
+        break;
+        case QFutureCallOutEvent::Paused:
+            if (q->futureInterface().isCanceled())
+                break;
+            emit q->paused();
+        break;
+        case QFutureCallOutEvent::Resumed:
+            if (q->futureInterface().isCanceled())
+                break;
+            emit q->resumed();
+        break;
+        case QFutureCallOutEvent::ResultsReady: {
+            if (q->futureInterface().isCanceled())
+                break;
+
+            if (pendingResultsReady.fetchAndAddRelaxed(-1) <= maximumPendingResultsReady)
+                q->futureInterface().setThrottled(false);
+
+            const int beginIndex = event->index1;
+            const int endIndex = event->index2;
+
+            emit q->resultsReadyAt(beginIndex, endIndex);
+
+            if (int(resultAtConnected) <= 0)
+                break;
+
+            for (int i = beginIndex; i < endIndex; ++i)
+                emit q->resultReadyAt(i);
+
+        } break;
+        case QFutureCallOutEvent::Progress:
+            if (q->futureInterface().isCanceled())
+                break;
+
+            emit q->progressValueChanged(event->index1);
+            if (event->text != QString()) // ###
+                q->progressTextChanged(event->text);
+        break;
+        case QFutureCallOutEvent::ProgressRange:
+            emit q->progressRangeChanged(event->index1, event->index2);
+        break;
+        default: break;
+    }
+}
+
+
+/*! \fn const T &QFutureWatcher::result() const
+
+    Returns the first result in the future(). If the result is not immediately
+    available, this function will block and wait for the result to become
+    available. This is a convenience method for calling resultAt(0).
+
+    \sa resultAt()
+*/
+
+/*! \fn const T &QFutureWatcher::resultAt(int index) const
+
+    Returns the result at \a index in the future(). If the result is not
+    immediately available, this function will block and wait for the result to
+    become available.
+
+    \sa result()
+*/
+
+/*! \fn void QFutureWatcher::setFuture(const QFuture<T> &future)
+
+    Starts watching the given \a future.
+*/
+
+/*! \fn QFuture<T> QFutureWatcher::future() const
+
+    Returns the watched future.
+*/
+
+/*! \fn void QFutureWatcher::started()
+
+    This signal is emitted when this QFutureWatcher starts watching the future
+    set with setFuture().
+*/
+
+/*!
+    \fn void QFutureWatcher::finished()
+    This signal is emitted when the watched future finishes.
+*/
+
+/*!
+    \fn void QFutureWatcher::canceled()
+    This signal is emitted if the watched future is canceled.
+*/
+
+/*! \fn void QFutureWatcher::paused()
+    This signal is emitted when the watched future is paused.
+*/
+
+/*! \fn void QFutureWatcher::resumed()
+    This signal is emitted when the watched future is resumed.
+*/
+
+/*!
+    \fn void QFutureWatcher::progressRangeChanged(int minimum, int maximum)
+
+    The progress range for the watched future has changed to \a minimum and
+    \a maximum
+*/
+
+/*!
+    \fn void QFutureWatcher::progressValueChanged(int progressValue)
+
+    This signal is emitted when the watched future reports progress,
+    \a progressValue gives the current progress. In order to avoid overloading
+    the GUI event loop, QFutureWatcher limits the progress signal emission
+    rate. This means that listeners connected to this slot might not get all
+    progress reports the future makes. The last progress update (where
+    \a progressValue equals the maximum value) will always be delivered.
+*/
+
+/*! \fn void QFutureWatcher::progressTextChanged(const QString &progressText)
+
+    This signal is emitted when the watched future reports textual progress
+    information, \a progressText.
+*/
+
+/*!
+    \fn void QFutureWatcher::resultReadyAt(int index)
+
+    This signal is emitted when the watched future reports a ready result at
+    \a index. If the future reports multiple results, the index will indicate
+    which one it is. Results can be reported out-of-order. To get the result,
+    call future().result(index);
+*/
+
+/*!
+    \fn void QFutureWatcher::resultsReadyAt(int beginIndex, int endIndex);
+
+    This signal is emitted when the watched future reports ready results.
+    The results are indexed from \a beginIndex to \a endIndex.
+
+*/
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CONCURRENT
diff --git a/src/corelib/concurrent/qfuturewatcher.h b/src/corelib/concurrent/qfuturewatcher.h
new file mode 100644
index 0000000000..75dfd3d92a
--- /dev/null
+++ b/src/corelib/concurrent/qfuturewatcher.h
@@ -0,0 +1,222 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFUTUREWATCHER_H
+#define QFUTUREWATCHER_H
+
+#include <QtCore/qfuture.h>
+
+#ifndef QT_NO_QFUTURE
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QEvent;
+
+class QFutureWatcherBasePrivate;
+class Q_CORE_EXPORT QFutureWatcherBase : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QFutureWatcherBase)
+
+public:
+    QFutureWatcherBase(QObject *parent = 0);
+
+    int progressValue() const;
+    int progressMinimum() const;
+    int progressMaximum() const;
+    QString progressText() const;
+
+    bool isStarted() const;
+    bool isFinished() const;
+    bool isRunning() const;
+    bool isCanceled() const;
+    bool isPaused() const;
+
+    void waitForFinished();
+
+    void setPendingResultsLimit(int limit);
+
+    bool event(QEvent *event);
+
+Q_SIGNALS:
+    void started();
+    void finished();
+    void canceled();
+    void paused();
+    void resumed();
+    void resultReadyAt(int resultIndex);
+    void resultsReadyAt(int beginIndex, int endIndex);
+    void progressRangeChanged(int minimum, int maximum);
+    void progressValueChanged(int progressValue);
+    void progressTextChanged(const QString &progressText);
+
+public Q_SLOTS:
+    void cancel();
+    void setPaused(bool paused);
+    void pause();
+    void resume();
+    void togglePaused();
+
+protected:
+    void connectNotify (const char * signal);
+    void disconnectNotify (const char * signal);
+
+    // called from setFuture() implemented in template sub-classes
+    void connectOutputInterface();
+    void disconnectOutputInterface(bool pendingAssignment = false);
+
+private:
+    // implemented in the template sub-classes
+    virtual const QFutureInterfaceBase &futureInterface() const = 0;
+    virtual QFutureInterfaceBase &futureInterface() = 0;
+};
+
+template <typename T>
+class QFutureWatcher : public QFutureWatcherBase
+{
+public:
+    QFutureWatcher(QObject *_parent = 0)
+        : QFutureWatcherBase(_parent)
+    { }
+    ~QFutureWatcher()
+    { disconnectOutputInterface(); }
+
+    void setFuture(const QFuture<T> &future);
+    QFuture<T> future() const
+    { return m_future; }
+
+    T result() const { return m_future.result(); }
+    T resultAt(int index) const { return m_future.resultAt(index); }
+
+#ifdef qdoc
+    int progressValue() const;
+    int progressMinimum() const;
+    int progressMaximum() const;
+    QString progressText() const;
+
+    bool isStarted() const;
+    bool isFinished() const;
+    bool isRunning() const;
+    bool isCanceled() const;
+    bool isPaused() const;
+
+    void waitForFinished();
+
+    void setPendingResultsLimit(int limit);
+
+Q_SIGNALS:
+    void started();
+    void finished();
+    void canceled();
+    void paused();
+    void resumed();
+    void resultReadyAt(int resultIndex);
+    void resultsReadyAt(int beginIndex, int endIndex);
+    void progressRangeChanged(int minimum, int maximum);
+    void progressValueChanged(int progressValue);
+    void progressTextChanged(const QString &progressText);
+
+public Q_SLOTS:
+    void cancel();
+    void setPaused(bool paused);
+    void pause();
+    void resume();
+    void togglePaused();
+#endif
+
+private:
+    QFuture<T> m_future;
+    const QFutureInterfaceBase &futureInterface() const { return m_future.d; }
+    QFutureInterfaceBase &futureInterface() { return m_future.d; }
+};
+
+template <typename T>
+Q_INLINE_TEMPLATE void QFutureWatcher<T>::setFuture(const QFuture<T> &_future)
+{
+    if (_future == m_future)
+        return;
+
+    disconnectOutputInterface(true);
+    m_future = _future;
+    connectOutputInterface();
+}
+
+template <>
+class QFutureWatcher<void> : public QFutureWatcherBase
+{
+public:
+    QFutureWatcher(QObject *_parent = 0)
+        : QFutureWatcherBase(_parent)
+    { }
+    ~QFutureWatcher()
+    { disconnectOutputInterface(); }
+
+    void setFuture(const QFuture<void> &future);
+    QFuture<void> future() const
+    { return m_future; }
+
+private:
+    QFuture<void> m_future;
+    const QFutureInterfaceBase &futureInterface() const { return m_future.d; }
+    QFutureInterfaceBase &futureInterface() { return m_future.d; }
+};
+
+Q_INLINE_TEMPLATE void QFutureWatcher<void>::setFuture(const QFuture<void> &_future)
+{
+    if (_future == m_future)
+        return;
+
+    disconnectOutputInterface(true);
+    m_future = _future;
+    connectOutputInterface();
+}
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif // QFUTUREWATCHER_H
diff --git a/src/corelib/concurrent/qfuturewatcher_p.h b/src/corelib/concurrent/qfuturewatcher_p.h
new file mode 100644
index 0000000000..324839ddfc
--- /dev/null
+++ b/src/corelib/concurrent/qfuturewatcher_p.h
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFUTUREWATCHER_P_H
+#define QFUTUREWATCHER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qfutureinterface_p.h"
+#include <QList>
+
+#ifndef QT_NO_QFUTURE
+
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QFutureWatcherBase;
+class Q_CORE_EXPORT QFutureWatcherBasePrivate : public QObjectPrivate,
+                                                public QFutureCallOutInterface
+{
+    Q_DECLARE_PUBLIC(QFutureWatcherBase)
+
+public:
+    QFutureWatcherBasePrivate();
+
+    void postCallOutEvent(const QFutureCallOutEvent &callOutEvent);
+    void callOutInterfaceDisconnected();
+
+    void sendCallOutEvent(QFutureCallOutEvent *event);
+
+    QList<QFutureCallOutEvent *> pendingCallOutEvents;
+    QAtomicInt pendingResultsReady;
+    int maximumPendingResultsReady;
+
+    QAtomicInt resultAtConnected;
+    bool finished;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_QFUTURE
+#endif
diff --git a/src/corelib/concurrent/qrunnable.cpp b/src/corelib/concurrent/qrunnable.cpp
new file mode 100644
index 0000000000..a581a21ee4
--- /dev/null
+++ b/src/corelib/concurrent/qrunnable.cpp
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \class QRunnable
+    \since 4.4
+    \brief The QRunnable class is the base class for all runnable objects.
+
+    The QRunnable class is an interface for representing a task or
+    piece of code that needs to be executed, represented by your
+    reimplementation of the run() function.
+
+    You can use QThreadPool to execute your code in a separate
+    thread. QThreadPool deletes the QRunnable automatically if
+    autoDelete() returns true (the default). Use setAutoDelete() to
+    change the auto-deletion flag.
+
+    QThreadPool supports executing the same QRunnable more than once
+    by calling QThreadPool::tryStart(this) from within the run() function. 
+    If autoDelete is enabled the QRunnable will be deleted when
+    the last thread exits the run function. Calling QThreadPool::start()
+    multiple times with the same QRunnable when autoDelete is enabled
+    creates a race condition and is not recommended.
+
+    \sa QThreadPool
+*/
+
+/*! \fn QRunnable::run()
+    Implement this pure virtual function in your subclass.
+*/
+
+/*! \fn QRunnable::QRunnable()
+    Constructs a QRunnable. Auto-deletion is enabled by default.
+
+    \sa autoDelete(), setAutoDelete()
+*/
+
+/*! \fn QRunnable::~QRunnable()
+    QRunnable virtual destructor.
+*/
+
+/*! \fn bool QRunnable::autoDelete() const
+
+    Returns true is auto-deletion is enabled; false otherwise.
+
+    If auto-deletion is enabled, QThreadPool will automatically delete
+    this runnable after calling run(); otherwise, ownership remains
+    with the application programmer.
+
+    \sa setAutoDelete(), QThreadPool
+*/
+
+/*! \fn bool QRunnable::setAutoDelete(bool autoDelete)
+
+    Enables auto-deletion if \a autoDelete is true; otherwise
+    auto-deletion is disabled.
+
+    If auto-deletion is enabled, QThreadPool will automatically delete
+    this runnable after calling run(); otherwise, ownership remains
+    with the application programmer.
+
+    Note that this flag must be set before calling
+    QThreadPool::start(). Calling this function after
+    QThreadPool::start() results in undefined behavior.
+
+    \sa autoDelete(), QThreadPool
+*/
diff --git a/src/corelib/concurrent/qrunnable.h b/src/corelib/concurrent/qrunnable.h
new file mode 100644
index 0000000000..1f480f4282
--- /dev/null
+++ b/src/corelib/concurrent/qrunnable.h
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QRUNNABLE_H
+#define QRUNNABLE_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QRunnable
+{
+    int ref;
+
+    friend class QThreadPool;
+    friend class QThreadPoolPrivate;
+    friend class QThreadPoolThread;
+
+public:
+    virtual void run() = 0;
+
+    QRunnable() : ref(0) { }
+    virtual ~QRunnable() { }
+
+    bool autoDelete() const { return ref != -1; }
+    void setAutoDelete(bool _autoDelete) { ref = _autoDelete ? 0 : -1; }
+};
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentcompilertest.h b/src/corelib/concurrent/qtconcurrentcompilertest.h
new file mode 100644
index 0000000000..763750ad2a
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentcompilertest.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_COMPILERTEST_H
+#define QTCONCURRENT_COMPILERTEST_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifdef Q_CC_MSVC
+#  if _MSC_VER < 1300
+#    define QT_CONURRENT_NONSTANDARD_COMPILER
+#  endif
+#endif
+
+#if defined (Q_CC_MSVC) && (_MSC_VER < 1300)
+#  define QT_TYPENAME
+#else
+#  define QT_TYPENAME typename
+#endif
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentexception.cpp b/src/corelib/concurrent/qtconcurrentexception.cpp
new file mode 100644
index 0000000000..cce1c31b9f
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentexception.cpp
@@ -0,0 +1,228 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtconcurrentexception.h"
+
+#ifndef QT_NO_QFUTURE
+#ifndef QT_NO_EXCEPTIONS
+
+QT_BEGIN_NAMESPACE
+
+/*! 
+    \class QtConcurrent::Exception
+    \brief The Exception class provides a base class for exceptions that can transferred across threads.
+    \since 4.4
+
+    Qt Concurrent supports throwing and catching exceptions across thread
+    boundaries, provided that the exception inherit from QtConcurrent::Exception
+    and implement two helper functions:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentexception.cpp 0
+
+    QtConcurrent::Exception subclasses must be thrown by value and
+    caught by reference:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentexception.cpp 1
+
+    If you throw an exception that is not a subclass of QtConcurrent::Exception,
+    the Qt Concurrent functions will throw a QtConcurrent::UnhandledException
+    in the receiver thread.
+
+    When using QFuture, transferred exceptions willl be thrown when calling the following functions:
+    \list
+    \o QFuture::waitForFinished()
+    \o QFuture::result()
+    \o QFuture::resultAt()
+    \o QFuture::results()
+    \endlist
+*/
+
+/*!
+    \fn QtConcurrent::Exception::raise() const 
+    In your QtConcurrent::Exception subclass, reimplement raise() like this:
+    
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentexception.cpp 2
+*/
+
+/*!
+    \fn QtConcurrent::Exception::clone() const
+    In your QtConcurrent::Exception subclass, reimplement clone() like this:
+    
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentexception.cpp 3
+*/
+
+/*! 
+    \class QtConcurrent::UnhandledException
+
+    \brief The UnhandledException class represents an unhandled exception in a worker thread.
+    \since 4.4
+
+    If a worker thread throws an exception that is not a subclass of QtConcurrent::Exception,
+    the Qt Concurrent functions will throw a QtConcurrent::UnhandledException
+    on the receiver thread side.
+
+    Inheriting from this class is not supported.
+*/
+
+/*!
+    \fn QtConcurrent::UnhandledException::raise() const
+    \internal
+*/
+
+/*!
+    \fn QtConcurrent::UnhandledException::clone() const
+    \internal
+*/
+
+namespace QtConcurrent
+{
+
+void Exception::raise() const
+{
+    Exception e = *this;
+    throw e;
+}
+
+Exception *Exception::clone() const
+{
+    return new Exception(*this);
+}
+
+void UnhandledException::raise() const
+{
+    UnhandledException e = *this;
+    throw e;
+}
+
+Exception *UnhandledException::clone() const
+{
+    return new UnhandledException(*this);
+}
+
+#ifndef qdoc
+
+namespace internal {
+
+class Base
+{
+public:
+    Base(Exception *exception)
+    : exception(exception), refCount(1), hasThrown(false) { }
+    ~Base() { delete exception; }
+
+    Exception *exception;
+    QAtomicInt refCount;
+    bool hasThrown;
+};
+
+ExceptionHolder::ExceptionHolder(Exception *exception)
+: base(new Base(exception)) {}
+
+ExceptionHolder::ExceptionHolder(const ExceptionHolder &other)
+: base(other.base)
+{
+    base->refCount.ref();
+}
+
+void ExceptionHolder::operator=(const ExceptionHolder &other)
+{
+    if (base == other.base)
+        return;
+
+    if (base->refCount.deref() == false)
+        delete base;
+
+    base = other.base;
+    base->refCount.ref();
+}
+
+ExceptionHolder::~ExceptionHolder()
+{
+    if (base->refCount.deref() == 0)
+        delete base;
+}
+
+Exception *ExceptionHolder::exception() const
+{
+    return base->exception;
+}
+
+void ExceptionStore::setException(const Exception &e)
+{
+    if (hasException() == false)
+        exceptionHolder = ExceptionHolder(e.clone());
+}
+
+bool ExceptionStore::hasException() const
+{
+    return (exceptionHolder.exception() != 0);
+}
+
+ExceptionHolder ExceptionStore::exception()
+{
+    return exceptionHolder;
+}
+
+void ExceptionStore::throwPossibleException()
+{
+    /* On win32-g++, with GCC 3.4.2 std::uncaught_exception() isn't reliable. */
+    if (hasException()
+#ifndef Q_CC_MINGW
+        && std::uncaught_exception() == false
+#endif
+            ) {
+        exceptionHolder.base->hasThrown = true;
+        exceptionHolder.exception()->raise();
+    }
+}
+
+bool ExceptionStore::hasThrown() const { return exceptionHolder.base->hasThrown; }
+
+} // namespace internal
+
+#endif //qdoc
+
+} // namespace QtConcurrent
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_EXCEPTIONS
+#endif // QT_NO_CONCURRENT
diff --git a/src/corelib/concurrent/qtconcurrentexception.h b/src/corelib/concurrent/qtconcurrentexception.h
new file mode 100644
index 0000000000..eaa63d8876
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentexception.h
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_EXCEPTION_H
+#define QTCONCURRENT_EXCEPTION_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_QFUTURE
+
+#include <QtCore/qatomic.h>
+
+#ifndef QT_NO_EXCEPTIONS
+#  include <exception>
+#endif
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+namespace QtConcurrent
+{
+
+#ifndef QT_NO_EXCEPTIONS
+
+class Q_CORE_EXPORT Exception : public std::exception
+{
+public:
+    virtual void raise() const;
+    virtual Exception *clone() const;
+};
+
+class Q_CORE_EXPORT UnhandledException : public Exception
+{
+public:
+    void raise() const;
+    Exception *clone() const;
+};
+
+namespace internal {
+
+class Base;
+class ExceptionHolder
+{
+public:
+    ExceptionHolder(Exception *exception = 0);
+    ExceptionHolder(const ExceptionHolder &other);
+    void operator=(const ExceptionHolder &other);
+    ~ExceptionHolder();
+    Exception *exception() const;
+    Base *base;
+};
+
+class Q_CORE_EXPORT ExceptionStore
+{
+public:
+    void setException(const Exception &e);
+    bool hasException() const;
+    ExceptionHolder exception();
+    void throwPossibleException();
+    bool hasThrown() const;
+    ExceptionHolder exceptionHolder;
+};
+
+} // namespace internal
+
+#else // QT_NO_EXCEPTIONS
+
+namespace internal {
+
+class Q_CORE_EXPORT ExceptionStore
+{
+public:
+    ExceptionStore() { }
+    inline void throwPossibleException() const {}
+};
+
+} // namespace internal
+
+#endif
+
+} // namespace QtConcurrent
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentfilter.cpp b/src/corelib/concurrent/qtconcurrentfilter.cpp
new file mode 100644
index 0000000000..4fbda8210c
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentfilter.cpp
@@ -0,0 +1,330 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \headerfile <QtConcurrentFilter>
+    \title Concurrent Filter and Filter-Reduce
+    \ingroup threading
+
+    \brief The <QtConcurrentFilter> header provides concurrent Filter and
+    Filter-Reduce.
+
+    These functions are a part of the \l {threads.html#qtconcurrent-intro}{Qt Concurrent} framework.
+
+    The QtConcurrent::filter(), QtConcurrent::filtered() and
+    QtConcurrent::filteredReduced() functions filter items in a sequence such
+    as a QList or a QVector in parallel. QtConcurrent::filter() modifies a
+    sequence in-place, QtConcurrent::filtered() returns a new sequence
+    containing the filtered content, and QtConcurrent::filteredReduced()
+    returns a single result.
+
+    Each of the above functions have a blocking variant that returns the final
+    result instead of a QFuture. You use them in the same way as the
+    asynchronous variants.
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 6
+
+    Note that the result types above are not QFuture objects, but real result
+    types (in this case, QStringList and QSet<QString>).
+
+    \section1 Concurrent Filter
+
+    QtConcurrent::filtered() takes an input sequence and a filter function.
+    This filter function is then called for each item in the sequence, and a
+    new sequence containing the filtered values is returned.
+
+    The filter function must be of the form:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 0
+
+    T must match the type stored in the sequence. The function returns true if
+    the item should be kept, false if it should be discarded.
+
+    This example shows how to keep strings that are all lower-case from a
+    QStringList:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 1
+
+    The results of the filter are made available through QFuture. See the
+    QFuture and QFutureWatcher documentation for more information on how to
+    use QFuture in your applications.
+
+    If you want to modify a sequence in-place, use QtConcurrent::filter():
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 2
+
+    Since the sequence is modified in place, QtConcurrent::filter() does not
+    return any results via QFuture. However, you can still use QFuture and
+    QFutureWatcher to monitor the status of the filter.
+
+    \section1 Concurrent Filter-Reduce
+
+    QtConcurrent::filteredReduced() is similar to QtConcurrent::filtered(),
+    but instead of returing a sequence with the filtered results, the results
+    are combined into a single value using a reduce function.
+
+    The reduce function must be of the form:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 3
+
+    T is the type of the final result, U is the type of items being filtered.
+    Note that the return value and return type of the reduce function are not
+    used.
+
+    Call QtConcurrent::filteredReduced() like this:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 4
+
+    The reduce function will be called once for each result kept by the filter
+    function, and should merge the \e{intermediate} into the \e{result}
+    variable. QtConcurrent::filteredReduced() guarantees that only one thread
+    will call reduce at a time, so using a mutex to lock the result variable
+    is not neccesary. The QtConcurrent::ReduceOptions enum provides a way to
+    control the order in which the reduction is done.
+
+    \section1 Additional API Features
+
+    \section2 Using Iterators instead of Sequence
+
+    Each of the above functions has a variant that takes an iterator range
+    instead of a sequence. You use them in the same way as the sequence
+    variants:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 5
+
+
+    \section2 Using Member Functions
+
+    QtConcurrent::filter(), QtConcurrent::filtered(), and
+    QtConcurrent::filteredReduced() accept pointers to member functions.
+    The member function class type must match the type stored in the sequence:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 7
+
+    Note that when using QtConcurrent::filteredReduced(), you can mix the use of
+    normal and member functions freely:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 8
+
+    \section2 Using Function Objects
+
+    QtConcurrent::filter(), QtConcurrent::filtered(), and
+    QtConcurrent::filteredReduced() accept function objects, which can be used to
+    add state to a function call. The result_type typedef must define the 
+    result type of the function call operator:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 13
+
+    \section2 Using Bound Function Arguments
+
+    Note that Qt does not provide support for bound functions. This is
+    provided by 3rd party libraries like
+    \l{http://www.boost.org/libs/bind/bind.html}{Boost} or
+    \l{http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1836.pdf}
+    {C++ TR1 Library Extensions}.
+
+    If you want to use a filter function takes more than one argument, you can
+    use boost::bind() or std::tr1::bind() to transform it onto a function that
+    takes one argument.
+
+    As an example, we use QString::contains():
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 9
+
+    QString::contains() takes 2 arguments (including the "this" pointer) and
+    can't be used with QtConcurrent::filtered() directly, because
+    QtConcurrent::filtered() expects a function that takes one argument. To
+    use QString::contains() with QtConcurrent::filtered() we have to provide a
+    value for the \e regexp argument:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 10
+
+    The return value from boost::bind() is a function object (functor) with
+    the following signature:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 11
+
+    This matches what QtConcurrent::filtered() expects, and the complete
+    example becomes:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentfilter.cpp 12
+*/
+
+/*!
+    \fn QFuture<void> QtConcurrent::filter(Sequence &sequence, FilterFunction filterFunction)
+    \relates <QtConcurrentFilter>
+
+    Calls \a filterFunction once for each item in \a sequence. If
+    \a filterFunction returns true, the item is kept in \a sequence;
+    otherwise, the item is removed from \a sequence.
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::filtered(const Sequence &sequence, FilterFunction filterFunction)
+    \relates <QtConcurrentFilter>
+
+    Calls \a filterFunction once for each item in \a sequence and returns a
+    new Sequence of kept items. If \a filterFunction returns true, a copy of
+    the item is put in the new Sequence. Otherwise, the item will \e not
+    appear in the new Sequence.
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::filtered(ConstIterator begin, ConstIterator end, FilterFunction filterFunction)
+    \relates <QtConcurrentFilter>
+
+    Calls \a filterFunction once for each item from \a begin to \a end and
+    returns a new Sequence of kept items. If \a filterFunction returns true, a
+    copy of the item is put in the new Sequence. Otherwise, the item will
+    \e not appear in the new Sequence.
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::filteredReduced(const Sequence &sequence, FilterFunction filterFunction, ReduceFunction reduceFunction, QtConcurrent::ReduceOptions reduceOptions)
+    \relates <QtConcurrentFilter>
+
+    Calls \a filterFunction once for each item in \a sequence. If
+    \a filterFunction returns true for an item, that item is then passed to
+    \a reduceFunction. In other words, the return value is the result of
+    \a reduceFunction for each item where \a filterFunction returns true.
+
+    Note that while \a filterFunction is called concurrently, only one thread
+    at a time will call \a reduceFunction. The order in which \a reduceFunction
+    is called is undefined if \a reduceOptions is
+    QtConcurrent::UnorderedReduce. If \a reduceOptions is
+    QtConcurrent::OrderedReduce, \a reduceFunction is called in the order of
+    the original sequence.
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::filteredReduced(ConstIterator begin, ConstIterator end, FilterFunction filterFunction, ReduceFunction reduceFunction, QtConcurrent::ReduceOptions reduceOptions)
+    \relates <QtConcurrentFilter>
+
+    Calls \a filterFunction once for each item from \a begin to \a end. If
+    \a filterFunction returns true for an item, that item is then passed to
+    \a reduceFunction. In other words, the return value is the result of
+    \a reduceFunction for each item where \a filterFunction returns true.
+
+    Note that while \a filterFunction is called concurrently, only one thread
+    at a time will call \a reduceFunction. The order in which
+    \a reduceFunction is called is undefined if \a reduceOptions is
+    QtConcurrent::UnorderedReduce. If \a reduceOptions is
+    QtConcurrent::OrderedReduce, the \a reduceFunction is called in the order
+    of the original sequence.
+*/
+
+/*!
+  \fn void QtConcurrent::blockingFilter(Sequence &sequence, FilterFunction filterFunction)
+
+  Calls \a filterFunction once for each item in \a sequence. If
+  \a filterFunction returns true, the item is kept in \a sequence;
+  otherwise, the item is removed from \a sequence.
+
+  \note This function will block until all items in the sequence have been processed.
+*/
+
+/*!
+  \fn Sequence QtConcurrent::blockingFiltered(const Sequence &sequence, FilterFunction filterFunction)
+
+  Calls \a filterFunction once for each item in \a sequence and returns a
+  new Sequence of kept items. If \a filterFunction returns true, a copy of
+  the item is put in the new Sequence. Otherwise, the item will \e not
+  appear in the new Sequence.
+
+  \note This function will block until all items in the sequence have been processed.
+
+  \sa filtered()
+*/
+
+/*!
+  \fn Sequence QtConcurrent::blockingFiltered(ConstIterator begin, ConstIterator end, FilterFunction filterFunction)
+
+  Calls \a filterFunction once for each item from \a begin to \a end and
+  returns a new Sequence of kept items. If \a filterFunction returns true, a
+  copy of the item is put in the new Sequence. Otherwise, the item will
+  \e not appear in the new Sequence.
+
+  \note This function will block until the iterator reaches the end of the
+  sequence being processed.
+
+  \sa filtered()
+*/
+
+/*!
+  \fn T QtConcurrent::blockingFilteredReduced(const Sequence &sequence, FilterFunction filterFunction, ReduceFunction reduceFunction, QtConcurrent::ReduceOptions reduceOptions)
+
+  Calls \a filterFunction once for each item in \a sequence. If
+  \a filterFunction returns true for an item, that item is then passed to
+  \a reduceFunction. In other words, the return value is the result of
+  \a reduceFunction for each item where \a filterFunction returns true.
+
+  Note that while \a filterFunction is called concurrently, only one thread
+  at a time will call \a reduceFunction. The order in which \a reduceFunction
+  is called is undefined if \a reduceOptions is
+  QtConcurrent::UnorderedReduce. If \a reduceOptions is
+  QtConcurrent::OrderedReduce, \a reduceFunction is called in the order of
+  the original sequence.
+
+  \note This function will block until all items in the sequence have been processed.
+
+  \sa filteredReduced()
+*/
+
+/*!
+  \fn T QtConcurrent::blockingFilteredReduced(ConstIterator begin, ConstIterator end, FilterFunction filterFunction, ReduceFunction reduceFunction, QtConcurrent::ReduceOptions reduceOptions)
+
+  Calls \a filterFunction once for each item from \a begin to \a end. If
+  \a filterFunction returns true for an item, that item is then passed to
+  \a reduceFunction. In other words, the return value is the result of
+  \a reduceFunction for each item where \a filterFunction returns true.
+
+  Note that while \a filterFunction is called concurrently, only one thread
+  at a time will call \a reduceFunction. The order in which
+  \a reduceFunction is called is undefined if \a reduceOptions is
+  QtConcurrent::UnorderedReduce. If \a reduceOptions is
+  QtConcurrent::OrderedReduce, the \a reduceFunction is called in the order
+  of the original sequence.
+
+  \note This function will block until the iterator reaches the end of the
+  sequence being processed.
+
+  \sa filteredReduced()
+*/
diff --git a/src/corelib/concurrent/qtconcurrentfilter.h b/src/corelib/concurrent/qtconcurrentfilter.h
new file mode 100644
index 0000000000..3fae7d2158
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentfilter.h
@@ -0,0 +1,736 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_FILTER_H
+#define QTCONCURRENT_FILTER_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qtconcurrentfilterkernel.h>
+#include <QtCore/qtconcurrentfunctionwrappers.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifdef qdoc
+
+namespace QtConcurrent {
+
+    QFuture<void> filter(Sequence &sequence, FilterFunction filterFunction);
+
+    template <typename T>
+    QFuture<T> filtered(const Sequence &sequence, FilterFunction filterFunction);
+    template <typename T>
+    QFuture<T> filtered(ConstIterator begin, ConstIterator end, FilterFunction filterFunction);
+
+    template <typename T>
+    QFuture<T> filteredReduced(const Sequence &sequence,
+                               FilterFunction filterFunction,
+                               ReduceFunction reduceFunction,
+                               QtConcurrent::ReduceOptions reduceOptions = UnorderedReduce | SequentialReduce);
+    template <typename T>
+    QFuture<T> filteredReduced(ConstIterator begin,
+                               ConstIterator end,
+                               FilterFunction filterFunction,
+                               ReduceFunction reduceFunction,
+                               QtConcurrent::ReduceOptions reduceOptions = UnorderedReduce | SequentialReduce);
+
+    void blockingFilter(Sequence &sequence, FilterFunction filterFunction);
+
+    template <typename Sequence>
+    Sequence blockingFiltered(const Sequence &sequence, FilterFunction filterFunction);
+    template <typename Sequence>
+    Sequence blockingFiltered(ConstIterator begin, ConstIterator end, FilterFunction filterFunction);
+
+    template <typename T>
+    T blockingFilteredReduced(const Sequence &sequence,
+                              FilterFunction filterFunction,
+                              ReduceFunction reduceFunction,
+                              QtConcurrent::ReduceOptions reduceOptions = UnorderedReduce | SequentialReduce);
+    template <typename T>
+    T blockingFilteredReduced(ConstIterator begin,
+                              ConstIterator end,
+                              FilterFunction filterFunction,
+                              ReduceFunction reduceFunction,
+                              QtConcurrent::ReduceOptions reduceOptions = UnorderedReduce | SequentialReduce);
+
+} // namespace QtConcurrent
+
+#else
+
+namespace QtConcurrent {
+
+template <typename Sequence, typename KeepFunctor, typename T, typename C, typename U>
+ThreadEngineStarter<void> filterInternal(Sequence &sequence, KeepFunctor keep, T (C::*reduce)(U))
+{
+    typedef MemberFunctionWrapper1<T, C, U> ReduceFunctor;
+    typedef typename Sequence::const_iterator Iterator;
+    typedef FilterKernel<Sequence, KeepFunctor, ReduceFunctor> KernelType;
+    return startThreadEngine(new KernelType(sequence, keep, reduce));
+}
+
+// filter() on sequences
+template <typename Sequence, typename KeepFunctor>
+QFuture<void> filter(Sequence &sequence, KeepFunctor keep)
+{
+    return filterInternal(sequence, keep, &Sequence::push_back);
+}
+
+template <typename Sequence, typename T>
+QFuture<void> filter(Sequence &sequence, bool (keep)(T))
+{
+    return filterInternal(sequence, FunctionWrapper1<bool, T>(keep), &Sequence::push_back);
+}
+
+template <typename Sequence, typename C>
+QFuture<void> filter(Sequence &sequence, bool (C::*keep)() const)
+{
+    return filterInternal(sequence, ConstMemberFunctionWrapper<bool, C>(keep), &Sequence::push_back);
+}
+
+// filteredReduced() on sequences
+template <typename ResultType, typename Sequence, typename KeepFunctor, typename ReduceFunctor>
+QFuture<ResultType> filteredReduced(const Sequence &sequence,
+                                    KeepFunctor keep,
+                                    ReduceFunctor reduce,
+                                    ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startFilteredReduced<ResultType>(sequence, keep, reduce, options);
+ }
+
+template <typename ResultType, typename Sequence, typename T, typename ReduceFunctor>
+QFuture<ResultType> filteredReduced(const Sequence &sequence,
+                                    bool (filter)(T),
+                                    ReduceFunctor reduce,
+                                    ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<ResultType>(sequence,
+                                       FunctionWrapper1<bool, T>(filter),
+                                       reduce,
+                                       options);
+}
+
+template <typename ResultType, typename Sequence, typename C, typename ReduceFunctor>
+QFuture<ResultType> filteredReduced(const Sequence &sequence,
+                                    bool (C::*filter)() const,
+                                    ReduceFunctor reduce,
+                                    ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<ResultType>(sequence,
+                                       ConstMemberFunctionWrapper<bool, C>(filter),
+                                       reduce,
+                                       options);
+}
+
+template <typename Sequence, typename KeepFunctor, typename T, typename U, typename V>
+QFuture<U> filteredReduced(const Sequence &sequence,
+                           KeepFunctor keep,
+                           T (reduce)(U &, V),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<U>(sequence,
+                              keep,
+                              FunctionWrapper2<T, U &, V>(reduce),
+                              options);
+}
+
+template <typename Sequence, typename KeepFunctor, typename T, typename C, typename U>
+QFuture<C> filteredReduced(const Sequence &sequence,
+                           KeepFunctor keep,
+                           T (C::*reduce)(U),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<C>(sequence,
+                              keep,
+                              MemberFunctionWrapper1<T, C, U>(reduce),
+                              options);
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename W>
+QFuture<V> filteredReduced(const Sequence &sequence,
+                           bool (keep)(T),
+                           U (reduce)(V &, W),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<V>(sequence,
+                              FunctionWrapper1<bool, T>(keep),
+                              FunctionWrapper2<U, V &, W>(reduce),
+                              options);
+}
+
+template <typename Sequence, typename C, typename T, typename U, typename V>
+QFuture<U> filteredReduced(const Sequence &sequence,
+                           bool (C::*keep)() const,
+                           T (reduce)(U &, V),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<U>(sequence,
+                              ConstMemberFunctionWrapper<bool, C>(keep),
+                              FunctionWrapper2<T, U &, V>(reduce),
+                              options);
+}
+
+template <typename Sequence, typename T, typename U, typename C, typename V>
+QFuture<C> filteredReduced(const Sequence &sequence,
+                           bool (keep)(T),
+                           U (C::*reduce)(V),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<C>(sequence,
+                              FunctionWrapper1<bool, T>(keep),
+                              MemberFunctionWrapper1<U, C, V>(reduce),
+                              options);
+}
+
+template <typename Sequence, typename C, typename T, typename D, typename U>
+QFuture<D> filteredReduced(const Sequence &sequence,
+                           bool (C::*keep)() const,
+                           T (D::*reduce)(U),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<D>(sequence,
+                              ConstMemberFunctionWrapper<bool, C>(keep),
+                              MemberFunctionWrapper1<T, D, U>(reduce),
+                              options);
+}
+
+// filteredReduced() on iterators
+template <typename ResultType, typename Iterator, typename KeepFunctor, typename ReduceFunctor>
+QFuture<ResultType> filteredReduced(Iterator begin,
+                                    Iterator end,
+                                    KeepFunctor keep,
+                                    ReduceFunctor reduce,
+                                    ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+   return startFilteredReduced<ResultType>(begin, end, keep, reduce, options);
+}
+
+template <typename ResultType, typename Iterator, typename T, typename ReduceFunctor>
+QFuture<ResultType> filteredReduced(Iterator begin,
+                                    Iterator end,
+                                    bool (filter)(T),
+                                    ReduceFunctor reduce,
+                                    ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<ResultType>(begin,
+                                       end,
+                                       FunctionWrapper1<bool, T>(filter),
+                                       reduce,
+                                       options);
+}
+
+template <typename ResultType, typename Iterator, typename C, typename ReduceFunctor>
+QFuture<ResultType> filteredReduced(Iterator begin,
+                                    Iterator end,
+                                    bool (C::*filter)() const,
+                                    ReduceFunctor reduce,
+                                    ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<ResultType>(begin,
+                                       end,
+                                       ConstMemberFunctionWrapper<bool, C>(filter),
+                                       reduce,
+                                       options);
+}
+
+template <typename Iterator, typename KeepFunctor, typename T, typename U, typename V>
+QFuture<U> filteredReduced(Iterator begin,
+                           Iterator end,
+                           KeepFunctor keep,
+                           T (reduce)(U &, V),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<U>(begin,
+                              end,
+                              keep,
+                              FunctionWrapper2<T, U &, V>(reduce),
+                              options);
+}
+
+template <typename Iterator, typename KeepFunctor, typename T, typename C, typename U>
+QFuture<C> filteredReduced(Iterator begin,
+                           Iterator end,
+                           KeepFunctor keep,
+                           T (C::*reduce)(U),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<C>(begin,
+                              end,
+                              keep,
+                              MemberFunctionWrapper1<T, C, U>(reduce),
+                              options);
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename W>
+QFuture<V> filteredReduced(Iterator begin,
+                           Iterator end,
+                           bool (keep)(T),
+                           U (reduce)(V &, W),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<V>(begin,
+                              end,
+                              FunctionWrapper1<bool, T>(keep),
+                              FunctionWrapper2<U, V &, W>(reduce),
+                              options);
+}
+
+template <typename Iterator, typename C, typename T, typename U, typename V>
+QFuture<U> filteredReduced(Iterator begin,
+                           Iterator end,
+                           bool (C::*keep)() const,
+                           T (reduce)(U &, V),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<U>(begin,
+                              end,
+                              ConstMemberFunctionWrapper<bool, C>(keep),
+                              FunctionWrapper2<T, U &, V>(reduce),
+                              options);
+}
+
+template <typename Iterator, typename T, typename U, typename C, typename V>
+QFuture<C> filteredReduced(Iterator begin,
+                           Iterator end,
+                           bool (keep)(T),
+                           U (C::*reduce)(V),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<C>(begin,
+                              end,
+                              FunctionWrapper1<bool, T>(keep),
+                              MemberFunctionWrapper1<U, C, V>(reduce),
+                              options);
+}
+
+template <typename Iterator, typename C, typename T, typename D, typename U>
+QFuture<D> filteredReduced(Iterator begin,
+                           Iterator end,
+                           bool (C::*keep)() const,
+                           T (D::*reduce)(U),
+                           ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return filteredReduced<D>(begin,
+                              end,
+                              ConstMemberFunctionWrapper<bool, C>(keep),
+                              MemberFunctionWrapper1<T, D, U>(reduce),
+                              options);
+}
+
+
+// filtered() on sequences
+template <typename Sequence, typename KeepFunctor>
+QFuture<typename Sequence::value_type> filtered(const Sequence &sequence, KeepFunctor keep)
+{
+    return startFiltered(sequence, keep);
+}
+
+template <typename Sequence, typename T>
+QFuture<typename Sequence::value_type> filtered(const Sequence &sequence, bool (keep)(T))
+{
+    return startFiltered(sequence, FunctionWrapper1<bool, T>(keep));
+}
+
+template <typename Sequence, typename C>
+QFuture<typename Sequence::value_type> filtered(const Sequence &sequence, bool (C::*keep)() const)
+{
+    return startFiltered(sequence, ConstMemberFunctionWrapper<bool, C>(keep));
+}
+
+// filtered() on iterators
+template <typename Iterator, typename KeepFunctor>
+QFuture<typename qValueType<Iterator>::value_type> filtered(Iterator begin, Iterator end, KeepFunctor keep)
+{
+    return startFiltered(begin, end, keep);
+}
+
+template <typename Iterator, typename T>
+QFuture<typename qValueType<Iterator>::value_type> filtered(Iterator begin, Iterator end, bool (keep)(T))
+{
+    return startFiltered(begin, end, FunctionWrapper1<bool, T>(keep));
+}
+
+template <typename Iterator, typename C>
+QFuture<typename qValueType<Iterator>::value_type> filtered(Iterator begin,
+                                                Iterator end,
+                                                bool (C::*keep)() const)
+{
+    return startFiltered(begin, end, ConstMemberFunctionWrapper<bool, C>(keep));
+}
+
+
+// blocking filter() on sequences
+template <typename Sequence, typename KeepFunctor>
+void blockingFilter(Sequence &sequence, KeepFunctor keep)
+{
+    filterInternal(sequence, keep, &Sequence::push_back).startBlocking();
+}
+
+template <typename Sequence, typename T>
+void blockingFilter(Sequence &sequence, bool (keep)(T))
+{
+    filterInternal(sequence, FunctionWrapper1<bool, T>(keep), &Sequence::push_back)
+        .startBlocking();
+}
+
+template <typename Sequence, typename C>
+void blockingFilter(Sequence &sequence, bool (C::*keep)() const)
+{
+    filterInternal(sequence,
+                   ConstMemberFunctionWrapper<bool, C>(keep),
+                   &Sequence::push_back)
+        .startBlocking();
+}
+
+// blocking filteredReduced() on sequences
+template <typename ResultType, typename Sequence, typename KeepFunctor, typename ReduceFunctor>
+ResultType blockingFilteredReduced(const Sequence &sequence,
+                                   KeepFunctor keep,
+                                   ReduceFunctor reduce,
+                                   ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startFilteredReduced<ResultType>(sequence, keep, reduce, options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Sequence, typename T, typename ReduceFunctor>
+ResultType blockingFilteredReduced(const Sequence &sequence,
+                                   bool (filter)(T),
+                                   ReduceFunctor reduce,
+                                   ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<ResultType>
+        (sequence,
+         FunctionWrapper1<bool, T>(filter),
+         reduce,
+         options);
+}
+
+template <typename ResultType, typename Sequence, typename C, typename ReduceFunctor>
+ResultType blockingFilteredReduced(const Sequence &sequence,
+                                   bool (C::*filter)() const,
+                                   ReduceFunctor reduce,
+                                   ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<ResultType>
+        (sequence,
+         ConstMemberFunctionWrapper<bool, C>(filter),
+         reduce,
+         options);
+}
+
+template <typename Sequence, typename KeepFunctor, typename T, typename U, typename V>
+U blockingFilteredReduced(const Sequence &sequence,
+                          KeepFunctor keep,
+                          T (reduce)(U &, V),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<U>
+        (sequence,
+         keep,
+         FunctionWrapper2<T, U &, V>(reduce),
+         options);
+}
+
+template <typename Sequence, typename KeepFunctor, typename T, typename C, typename U>
+C blockingFilteredReduced(const Sequence &sequence,
+                          KeepFunctor keep,
+                          T (C::*reduce)(U),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<C>
+        (sequence,
+         keep,
+         MemberFunctionWrapper1<T, C, U>(reduce),
+         options);
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename W>
+V blockingFilteredReduced(const Sequence &sequence,
+                          bool (keep)(T),
+                          U (reduce)(V &, W),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<V>
+        (sequence,
+         FunctionWrapper1<bool, T>(keep),
+         FunctionWrapper2<U, V &, W>(reduce),
+         options);
+}
+
+template <typename Sequence, typename C, typename T, typename U, typename V>
+U blockingFilteredReduced(const Sequence &sequence,
+                          bool (C::*keep)() const,
+                          T (reduce)(U &, V),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<U>
+        (sequence,
+         ConstMemberFunctionWrapper<bool, C>(keep),
+         FunctionWrapper2<T, U &, V>(reduce),
+         options);
+}
+
+template <typename Sequence, typename T, typename U, typename C, typename V>
+C blockingFilteredReduced(const Sequence &sequence,
+                          bool (keep)(T),
+                          U (C::*reduce)(V),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<C>
+        (sequence,
+         FunctionWrapper1<bool, T>(keep),
+         MemberFunctionWrapper1<U, C, V>(reduce),
+         options);
+}
+
+template <typename Sequence, typename C, typename T, typename D, typename U>
+D blockingFilteredReduced(const Sequence &sequence,
+                          bool (C::*keep)() const,
+                          T (D::*reduce)(U),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<D>
+        (sequence,
+         ConstMemberFunctionWrapper<bool, C>(keep),
+         MemberFunctionWrapper1<T, D, U>(reduce),
+         options);
+}
+
+// blocking filteredReduced() on iterators
+template <typename ResultType, typename Iterator, typename KeepFunctor, typename ReduceFunctor>
+ResultType blockingFilteredReduced(Iterator begin,
+                                   Iterator end,
+                                   KeepFunctor keep,
+                                   ReduceFunctor reduce,
+                                   ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startFilteredReduced<ResultType>(begin, end, keep, reduce, options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Iterator, typename T, typename ReduceFunctor>
+ResultType blockingFilteredReduced(Iterator begin,
+                                   Iterator end,
+                                   bool (filter)(T),
+                                   ReduceFunctor reduce,
+                                   ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<ResultType>
+        (begin,
+         end,
+         FunctionWrapper1<bool, T>(filter),
+         reduce,
+         options);
+}
+
+template <typename ResultType, typename Iterator, typename C, typename ReduceFunctor>
+ResultType blockingFilteredReduced(Iterator begin,
+                                   Iterator end,
+                                   bool (C::*filter)() const,
+                                   ReduceFunctor reduce,
+                                   ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<ResultType>
+        (begin,
+         end,
+         ConstMemberFunctionWrapper<bool, C>(filter),
+         reduce,
+         options);
+}
+
+template <typename Iterator, typename KeepFunctor, typename T, typename U, typename V>
+U blockingFilteredReduced(Iterator begin,
+                          Iterator end,
+                          KeepFunctor keep,
+                          T (reduce)(U &, V),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<U>
+        (begin,
+         end,
+         keep,
+         FunctionWrapper2<T, U &, V>(reduce),
+         options);
+}
+
+template <typename Iterator, typename KeepFunctor, typename T, typename C, typename U>
+C blockingFilteredReduced(Iterator begin,
+                          Iterator end,
+                          KeepFunctor keep,
+                          T (C::*reduce)(U),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<C>
+        (begin,
+         end,
+         keep,
+         MemberFunctionWrapper1<T, C, U>(reduce),
+         options);
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename W>
+V blockingFilteredReduced(Iterator begin,
+                          Iterator end,
+                          bool (keep)(T),
+                          U (reduce)(V &, W),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<V>
+        (begin,
+         end,
+         FunctionWrapper1<bool, T>(keep),
+         FunctionWrapper2<U, V &, W>(reduce),
+         options);
+}
+
+template <typename Iterator, typename C, typename T, typename U, typename V>
+U blockingFilteredReduced(Iterator begin,
+                          Iterator end,
+                          bool (C::*keep)() const,
+                          T (reduce)(U &, V),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<U>
+        (begin,
+         end,
+         ConstMemberFunctionWrapper<bool, C>(keep),
+         FunctionWrapper2<T, U &, V>(reduce),
+         options);
+}
+
+template <typename Iterator, typename T, typename U, typename C, typename V>
+C blockingFilteredReduced(Iterator begin,
+                          Iterator end,
+                          bool (keep)(T),
+                          U (C::*reduce)(V),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<C>
+        (begin,
+         end,
+         FunctionWrapper1<bool, T>(keep),
+         MemberFunctionWrapper1<U, C, V>(reduce),
+         options);
+}
+
+template <typename Iterator, typename C, typename T, typename D, typename U>
+D blockingFilteredReduced(Iterator begin,
+                          Iterator end,
+                          bool (C::*keep)() const,
+                          T (D::*reduce)(U),
+                          ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return blockingFilteredReduced<D>
+        (begin,
+         end,
+         ConstMemberFunctionWrapper<bool, C>(keep),
+         MemberFunctionWrapper1<T, D, U>(reduce),
+         options);
+}
+
+// blocking filtered() on sequences
+template <typename Sequence, typename KeepFunctor>
+Sequence blockingFiltered(const Sequence &sequence, KeepFunctor keep)
+{
+    return blockingFilteredReduced(sequence, keep, &Sequence::push_back, OrderedReduce);
+}
+
+template <typename Sequence, typename T>
+Sequence blockingFiltered(const Sequence &sequence, bool (keep)(T))
+{
+    return blockingFilteredReduced(sequence, keep, &Sequence::push_back, OrderedReduce);
+}
+
+template <typename Sequence, typename C>
+Sequence blockingFiltered(const Sequence &sequence, bool (C::*filter)() const)
+{
+    return blockingFilteredReduced(sequence,
+                                   filter,
+                                   &Sequence::push_back,
+                                   OrderedReduce);
+}
+
+// blocking filtered() on iterators
+template <typename OutputSequence, typename Iterator, typename KeepFunctor>
+OutputSequence blockingFiltered(Iterator begin, Iterator end, KeepFunctor keep)
+{
+    return blockingFilteredReduced(begin,
+                                   end,
+                                   keep,
+                                   &OutputSequence::push_back,
+                                   OrderedReduce);
+}
+
+template <typename OutputSequence, typename Iterator, typename T>
+OutputSequence blockingFiltered(Iterator begin, Iterator end, bool (keep)(T))
+{
+    return blockingFilteredReduced(begin,
+                                   end,
+                                   keep,
+                                   &OutputSequence::push_back,
+                                   OrderedReduce);
+}
+
+template <typename OutputSequence, typename Iterator, typename C>
+OutputSequence blockingFiltered(Iterator begin, Iterator end, bool (C::*filter)() const)
+{
+    return blockingFilteredReduced(begin,
+                                   end,
+                                   filter,
+                                   &OutputSequence::push_back,
+                                   OrderedReduce);
+}
+
+} // namespace QtConcurrent
+
+#endif // qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentfilterkernel.h b/src/corelib/concurrent/qtconcurrentfilterkernel.h
new file mode 100644
index 0000000000..2ee1246ab3
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentfilterkernel.h
@@ -0,0 +1,351 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_FILTERKERNEL_H
+#define QTCONCURRENT_FILTERKERNEL_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qtconcurrentiteratekernel.h>
+#include <QtCore/qtconcurrentmapkernel.h>
+#include <QtCore/qtconcurrentreducekernel.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+
+template <typename T>
+struct qValueType
+{
+    typedef typename T::value_type value_type;
+};
+
+template <typename T>
+struct qValueType<const T*>
+{
+    typedef T value_type;
+};
+
+template <typename T>
+struct qValueType<T*>
+{
+    typedef T value_type;
+};
+
+// Implementation of filter
+template <typename Sequence, typename KeepFunctor, typename ReduceFunctor>
+class FilterKernel : public IterateKernel<typename Sequence::const_iterator, void>
+{
+    typedef ReduceKernel<ReduceFunctor, Sequence, typename Sequence::value_type> Reducer;
+    typedef IterateKernel<typename Sequence::const_iterator, void> IterateKernelType;
+    typedef typename ReduceFunctor::result_type T;
+
+    Sequence reducedResult;
+    Sequence &sequence;
+    KeepFunctor keep;
+    ReduceFunctor reduce;
+    Reducer reducer;
+
+public:
+    FilterKernel(Sequence &_sequence, KeepFunctor _keep, ReduceFunctor _reduce)
+        : IterateKernelType(const_cast<const Sequence &>(_sequence).begin(), const_cast<const Sequence &>(_sequence).end()), reducedResult(),
+          sequence(_sequence),
+          keep(_keep),
+          reduce(_reduce),
+          reducer(OrderedReduce)
+    { }
+
+    bool runIteration(typename Sequence::const_iterator it, int index, T *)
+    {
+        IntermediateResults<typename Sequence::value_type> results;
+        results.begin = index;
+        results.end = index + 1;
+
+            if (keep(*it))
+                results.vector.append(*it);
+
+            reducer.runReduce(reduce, reducedResult, results);
+            return false;
+    }
+
+    bool runIterations(typename Sequence::const_iterator sequenceBeginIterator, int begin, int end, T *)
+    {
+        IntermediateResults<typename Sequence::value_type> results;
+        results.begin = begin;
+        results.end = end;
+        results.vector.reserve(end - begin);
+
+
+        typename Sequence::const_iterator it = sequenceBeginIterator;
+        advance(it, begin);
+        for (int i = begin; i < end; ++i) {
+            if (keep(*it))
+                results.vector.append(*it);
+            advance(it, 1);
+        }
+
+        reducer.runReduce(reduce, reducedResult, results);
+        return false;
+    }
+
+    void finish()
+    {
+        reducer.finish(reduce, reducedResult);
+        sequence = reducedResult;
+    }
+
+    inline bool shouldThrottleThread()
+    {
+        return IterateKernelType::shouldThrottleThread() || reducer.shouldThrottle();
+    }
+
+    inline bool shouldStartThread()
+    {
+        return IterateKernelType::shouldStartThread() && reducer.shouldStartThread();
+    }
+
+    typedef void ReturnType;
+    typedef void ResultType;
+};
+
+// Implementation of filter-reduce
+template <typename ReducedResultType,
+          typename Iterator,
+          typename KeepFunctor,
+          typename ReduceFunctor,
+          typename Reducer = ReduceKernel<ReduceFunctor,
+                                          ReducedResultType,
+                                          typename qValueType<Iterator>::value_type> >
+class FilteredReducedKernel : public IterateKernel<Iterator, ReducedResultType>
+{
+    ReducedResultType reducedResult;
+    KeepFunctor keep;
+    ReduceFunctor reduce;
+    Reducer reducer;
+    typedef IterateKernel<Iterator, ReducedResultType> IterateKernelType;
+
+public:
+    FilteredReducedKernel(Iterator begin,
+                          Iterator end,
+                          KeepFunctor _keep,
+                          ReduceFunctor _reduce,
+                          ReduceOptions reduceOption)
+        : IterateKernelType(begin, end), reducedResult(), keep(_keep), reduce(_reduce), reducer(reduceOption)
+    { }
+
+#if 0
+    FilteredReducedKernel(ReducedResultType initialValue,
+                          KeepFunctor keep,
+                          ReduceFunctor reduce,
+                          ReduceOption reduceOption)
+        : reducedResult(initialValue), keep(keep), reduce(reduce), reducer(reduceOption)
+    { }
+#endif
+
+    bool runIteration(Iterator it, int index, ReducedResultType *)
+    {
+        IntermediateResults<typename qValueType<Iterator>::value_type> results;
+        results.begin = index;
+        results.end = index + 1;
+
+        if (keep(*it))
+            results.vector.append(*it);
+
+        reducer.runReduce(reduce, reducedResult, results);
+        return false;
+    }
+
+    bool runIterations(Iterator sequenceBeginIterator, int begin, int end, ReducedResultType *)
+    {
+        IntermediateResults<typename qValueType<Iterator>::value_type> results;
+        results.begin = begin;
+        results.end = end;
+        results.vector.reserve(end - begin);
+
+        Iterator it = sequenceBeginIterator;
+        advance(it, begin);
+        for (int i = begin; i < end; ++i) {
+            if (keep(*it))
+                results.vector.append(*it);
+            advance(it, 1);
+        }
+
+        reducer.runReduce(reduce, reducedResult, results);
+        return false;
+    }
+
+    void finish()
+    {
+        reducer.finish(reduce, reducedResult);
+    }
+
+    inline bool shouldThrottleThread()
+    {
+        return IterateKernelType::shouldThrottleThread() || reducer.shouldThrottle();
+    }
+
+    inline bool shouldStartThread()
+    {
+        return IterateKernelType::shouldStartThread() && reducer.shouldStartThread();
+    }
+
+    typedef ReducedResultType ReturnType;
+    typedef ReducedResultType ResultType;
+    ReducedResultType *result()
+    {
+        return &reducedResult;
+    }
+};
+
+// Implementation of filter that reports individual results via QFutureInterface
+template <typename Iterator, typename KeepFunctor>
+class FilteredEachKernel : public IterateKernel<Iterator, typename qValueType<Iterator>::value_type>
+{
+    typedef typename qValueType<Iterator>::value_type T;
+    typedef IterateKernel<Iterator, T> IterateKernelType;
+
+    KeepFunctor keep;
+
+public:
+    typedef T ReturnType;
+    typedef T ResultType;
+
+    FilteredEachKernel(Iterator begin, Iterator end, KeepFunctor _keep)
+        : IterateKernelType(begin, end), keep(_keep)
+    { }
+
+    void start()
+    {
+        if (this->futureInterface)
+            this->futureInterface->setFilterMode(true);
+        IterateKernelType::start();
+    }
+
+    bool runIteration(Iterator it, int index, T *)
+    {
+        if (keep(*it))
+            this->reportResult(&(*it), index);
+        else
+            this->reportResult(0, index);
+        return false;
+    }
+
+    bool runIterations(Iterator sequenceBeginIterator, int begin, int end, T *)
+    {
+        const int count = end - begin;
+        IntermediateResults<typename qValueType<Iterator>::value_type> results;
+        results.begin = begin;
+        results.end = end;
+        results.vector.reserve(count);
+
+        Iterator it = sequenceBeginIterator;
+        advance(it, begin);
+        for (int i = begin; i < end; ++i) {
+            if (keep(*it))
+                results.vector.append(*it);
+            advance(it, 1);
+        }
+
+        this->reportResults(results.vector, begin, count);
+        return false;
+    }
+};
+
+template <typename Iterator, typename KeepFunctor>
+inline
+ThreadEngineStarter<typename qValueType<Iterator>::value_type>
+startFiltered(Iterator begin, Iterator end, KeepFunctor functor)
+{
+    return startThreadEngine(new FilteredEachKernel<Iterator, KeepFunctor>(begin, end, functor));
+}
+
+template <typename Sequence, typename KeepFunctor>
+inline ThreadEngineStarter<typename Sequence::value_type>
+startFiltered(const Sequence &sequence, KeepFunctor functor)
+{
+    typedef SequenceHolder1<Sequence,
+                            FilteredEachKernel<typename Sequence::const_iterator, KeepFunctor>,
+                            KeepFunctor>
+        SequenceHolderType;
+        return startThreadEngine(new SequenceHolderType(sequence, functor));
+}
+
+template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
+inline ThreadEngineStarter<ResultType> startFilteredReduced(const Sequence & sequence,
+                                                           MapFunctor mapFunctor, ReduceFunctor reduceFunctor,
+                                                           ReduceOptions options)
+{
+    typedef typename Sequence::const_iterator Iterator;
+    typedef ReduceKernel<ReduceFunctor, ResultType, typename qValueType<Iterator>::value_type > Reducer;
+    typedef FilteredReducedKernel<ResultType, Iterator, MapFunctor, ReduceFunctor, Reducer> FilteredReduceType;
+    typedef SequenceHolder2<Sequence, FilteredReduceType, MapFunctor, ReduceFunctor> SequenceHolderType;
+    return startThreadEngine(new SequenceHolderType(sequence, mapFunctor, reduceFunctor, options));
+}
+
+
+template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
+inline ThreadEngineStarter<ResultType> startFilteredReduced(Iterator begin, Iterator end,
+                                                           MapFunctor mapFunctor, ReduceFunctor reduceFunctor,
+                                                           ReduceOptions options)
+{
+    typedef ReduceKernel<ReduceFunctor, ResultType, typename qValueType<Iterator>::value_type> Reducer;
+    typedef FilteredReducedKernel<ResultType, Iterator, MapFunctor, ReduceFunctor, Reducer> FilteredReduceType;
+    return startThreadEngine(new FilteredReduceType(begin, end, mapFunctor, reduceFunctor, options));
+}
+
+
+} // namespace QtConcurrent
+
+#endif // qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentfunctionwrappers.h b/src/corelib/concurrent/qtconcurrentfunctionwrappers.h
new file mode 100644
index 0000000000..d076f73e75
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentfunctionwrappers.h
@@ -0,0 +1,173 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_FUNCTIONWRAPPERS_H
+#define QTCONCURRENT_FUNCTIONWRAPPERS_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+
+template <typename T>
+class FunctionWrapper0
+{
+public:
+    typedef T (*FunctionPointerType)();
+    typedef T result_type;
+    inline FunctionWrapper0(FunctionPointerType _functionPointer)
+    :functionPointer(_functionPointer) { }
+
+    inline T operator()()
+    {
+        return functionPointer();
+    }
+private:
+    FunctionPointerType functionPointer;
+};
+
+template <typename T, typename U>
+class FunctionWrapper1
+{
+public:
+    typedef T (*FunctionPointerType)(U u);
+    typedef T result_type;
+    inline FunctionWrapper1(FunctionPointerType _functionPointer)
+    :functionPointer(_functionPointer) { }
+
+    inline T operator()(U u)
+    {
+        return functionPointer(u);
+    }
+
+private:
+    FunctionPointerType functionPointer;
+};
+
+template <typename T, typename U, typename V>
+class FunctionWrapper2
+{
+public:
+    typedef T (*FunctionPointerType)(U u, V v);
+    typedef T result_type;
+    inline FunctionWrapper2(FunctionPointerType _functionPointer)
+    :functionPointer(_functionPointer) { }
+
+    inline T operator()(U u, V v)
+    {
+        return functionPointer(u, v);
+    }
+private:
+    FunctionPointerType functionPointer;
+};
+
+template <typename T, typename C>
+class MemberFunctionWrapper
+{
+public:
+    typedef T (C::*FunctionPointerType)();
+    typedef T result_type;
+    inline MemberFunctionWrapper(FunctionPointerType _functionPointer)
+    :functionPointer(_functionPointer) { }
+
+    inline T operator()(C &c)
+    {
+        return (c.*functionPointer)();
+    }
+private:
+    FunctionPointerType functionPointer;
+};
+
+template <typename T, typename C, typename U>
+class MemberFunctionWrapper1
+{
+public:
+    typedef T (C::*FunctionPointerType)(U);
+    typedef T result_type;
+
+    inline MemberFunctionWrapper1(FunctionPointerType _functionPointer)
+        : functionPointer(_functionPointer)
+    { }
+
+    inline T operator()(C &c, U u)
+    {
+        return (c.*functionPointer)(u);
+    }
+
+private:
+    FunctionPointerType functionPointer;
+};
+
+template <typename T, typename C>
+class ConstMemberFunctionWrapper
+{
+public:
+    typedef T (C::*FunctionPointerType)() const;
+    typedef T result_type;
+    inline ConstMemberFunctionWrapper(FunctionPointerType _functionPointer)
+    :functionPointer(_functionPointer) { }
+
+    inline T operator()(const C &c) const
+    {
+        return (c.*functionPointer)();
+    }
+private:
+    FunctionPointerType functionPointer;
+};
+
+} // namespace QtConcurrent.
+
+#endif //qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentiteratekernel.cpp b/src/corelib/concurrent/qtconcurrentiteratekernel.cpp
new file mode 100644
index 0000000000..5c201466e9
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentiteratekernel.cpp
@@ -0,0 +1,194 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtconcurrentiteratekernel.h"
+
+#if defined(Q_OS_MAC)
+
+#include <mach/mach.h>
+#include <mach/mach_time.h>
+#include <unistd.h>
+
+#elif defined(Q_OS_UNIX)
+
+#include <time.h>
+#include <unistd.h>
+
+#elif defined(Q_OS_WIN)
+
+#include <windows.h>
+
+#endif
+
+
+#ifndef QT_NO_CONCURRENT
+
+QT_BEGIN_NAMESPACE
+
+enum {
+    TargetRatio = 100,
+    MedianSize = 7
+};
+
+#if defined(Q_OS_MAC)
+
+static qint64 getticks()
+{
+    return mach_absolute_time();
+}
+
+#elif defined(Q_OS_UNIX)
+
+
+static qint64 getticks()
+{
+#if defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0)
+    clockid_t clockId;
+
+#ifndef _POSIX_THREAD_CPUTIME
+    clockId = CLOCK_REALTIME;
+#elif (_POSIX_THREAD_CPUTIME-0 <= 0)
+    // if we don't have CLOCK_THREAD_CPUTIME_ID, we have to just use elapsed realtime instead
+    clockId = CLOCK_REALTIME;
+
+#  if (_POSIX_THREAD_CPUTIME-0 == 0)
+    // detect availablility of CLOCK_THREAD_CPUTIME_ID
+    static long useThreadCpuTime = -2;
+    if (useThreadCpuTime == -2) {
+        // sysconf() will return either -1 or _POSIX_VERSION (don't care about thread races here)
+        useThreadCpuTime = sysconf(_SC_THREAD_CPUTIME);
+    }
+    if (useThreadCpuTime != -1)
+        clockId = CLOCK_THREAD_CPUTIME_ID;
+#  endif
+#else
+    clockId = CLOCK_THREAD_CPUTIME_ID;
+#endif
+
+    struct timespec ts;
+    if (clock_gettime(clockId, &ts) == -1)
+        return 0;
+    return (ts.tv_sec * 1000000000) + ts.tv_nsec;
+#else
+    // no clock_gettime(), fall back to wall time
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    return (tv.tv_sec * 1000000) + tv.tv_usec;
+#endif
+}
+
+#elif defined(Q_OS_WIN)
+
+static qint64 getticks()
+{
+    LARGE_INTEGER x;
+    if (!QueryPerformanceCounter(&x))
+        return 0;
+    return x.QuadPart;
+}
+
+#endif
+
+static double elapsed(qint64 after, qint64 before)
+{
+    return double(after - before);
+}
+
+namespace QtConcurrent {
+
+/*! \internal
+
+*/
+BlockSizeManager::BlockSizeManager(int iterationCount)
+: maxBlockSize(iterationCount / (QThreadPool::globalInstance()->maxThreadCount() * 2)),
+  beforeUser(0), afterUser(0),
+  controlPartElapsed(MedianSize), userPartElapsed(MedianSize),
+  m_blockSize(1)
+{ }
+
+// Records the time before user code.
+void BlockSizeManager::timeBeforeUser()
+{
+    if (blockSizeMaxed())
+        return;
+
+    beforeUser = getticks();
+    controlPartElapsed.addValue(elapsed(beforeUser, afterUser));
+}
+
+ // Records the time after user code and adjust the block size if we are spending
+ // to much time in the for control code compared with the user code.
+void BlockSizeManager::timeAfterUser()
+{
+    if (blockSizeMaxed())
+        return;
+
+    afterUser = getticks();
+    userPartElapsed.addValue(elapsed(afterUser, beforeUser));
+
+    if (controlPartElapsed.isMedianValid() == false)
+        return;
+
+    if (controlPartElapsed.median() * TargetRatio < userPartElapsed.median())
+        return;
+
+    m_blockSize = qMin(m_blockSize * 2,  maxBlockSize);
+
+#ifdef QTCONCURRENT_FOR_DEBUG
+    qDebug() << QThread::currentThread() << "adjusting block size" << controlPartElapsed.median() << userPartElapsed.median() << m_blockSize;
+#endif
+
+    // Reset the medians after adjusting the block size so we get
+    // new measurements with the new block size.
+    controlPartElapsed.reset();
+    userPartElapsed.reset();
+}
+
+int BlockSizeManager::blockSize()
+{
+    return m_blockSize;
+}
+
+} // namespace QtConcurrent
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CONCURRENT
diff --git a/src/corelib/concurrent/qtconcurrentiteratekernel.h b/src/corelib/concurrent/qtconcurrentiteratekernel.h
new file mode 100644
index 0000000000..01c54a71f9
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentiteratekernel.h
@@ -0,0 +1,324 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_ITERATEKERNEL_H
+#define QTCONCURRENT_ITERATEKERNEL_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qatomic.h>
+#include <QtCore/qtconcurrentmedian.h>
+#include <QtCore/qtconcurrentthreadengine.h>
+#include <iterator>
+
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+
+#ifndef QT_NO_STL
+    using std::advance;
+#else
+    template <typename It, typename T>
+    void advance(It &it, T value)
+    {
+        it+=value;
+    }
+#endif
+
+/*
+    The BlockSizeManager class manages how many iterations a thread should
+    reserve and process at a time. This is done by measuring the time spent
+    in the user code versus the control part code, and then increasing
+    the block size if the ratio between them is to small. The block size
+    management is done on the basis of the median of several timing measuremens,
+    and it is done induvidualy for each thread.
+*/
+class Q_CORE_EXPORT BlockSizeManager
+{
+public:
+    BlockSizeManager(int iterationCount);
+    void timeBeforeUser();
+    void timeAfterUser();
+    int blockSize();
+private:
+    inline bool blockSizeMaxed()
+    {
+        return (m_blockSize >= maxBlockSize);
+    }
+
+    const int maxBlockSize;
+    qint64 beforeUser;
+    qint64 afterUser;
+    Median<double> controlPartElapsed;
+    Median<double> userPartElapsed;
+    int m_blockSize;
+};
+
+template <typename T>
+class ResultReporter
+{
+public:
+    ResultReporter(ThreadEngine<T> *_threadEngine)
+    :threadEngine(_threadEngine)
+    {
+
+    }
+
+    void reserveSpace(int resultCount)
+    {
+        currentResultCount = resultCount;
+        vector.resize(qMax(resultCount, vector.count()));
+    }
+
+    void reportResults(int begin)
+    {
+        const int useVectorThreshold = 4; // Tunable parameter.
+        if (currentResultCount > useVectorThreshold) {
+            vector.resize(currentResultCount);
+            threadEngine->reportResults(vector, begin);
+        } else {
+            for (int i = 0; i < currentResultCount; ++i)
+                threadEngine->reportResult(&vector.at(i), begin + i);
+        }
+    }
+
+    inline T * getPointer()
+    {
+        return vector.data();
+    }
+
+    int currentResultCount;
+    ThreadEngine<T> *threadEngine;
+    QVector<T> vector;
+};
+
+template <>
+class ResultReporter<void>
+{
+public:
+    inline ResultReporter(ThreadEngine<void> *) { }
+    inline void reserveSpace(int) { };
+    inline void reportResults(int) { };
+    inline void * getPointer() { return 0; }
+};
+
+inline bool selectIteration(std::bidirectional_iterator_tag)
+{
+    return false; // while
+}
+
+inline bool selectIteration(std::forward_iterator_tag)
+{
+    return false; // while
+}
+
+inline bool selectIteration(std::random_access_iterator_tag)
+{
+    return true; // for
+}
+
+template <typename Iterator, typename T>
+class IterateKernel : public ThreadEngine<T>
+{
+public:
+    typedef T ResultType;
+
+    IterateKernel(Iterator _begin, Iterator _end)
+#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+        : begin(_begin), end(_end), current(_begin), currentIndex(0),
+           forIteration(selectIteration(typename std::iterator_traits<Iterator>::iterator_category())), progressReportingEnabled(true)
+#else
+        : begin(_begin), end(_end), currentIndex(0),
+          forIteration(selectIteration(std::iterator_category(_begin))), progressReportingEnabled(true)
+#endif
+    {
+        iterationCount =  forIteration ? std::distance(_begin, _end) : 0;
+    }
+
+    virtual ~IterateKernel() { }
+
+    virtual bool runIteration(Iterator it, int index , T *result)
+        { Q_UNUSED(it); Q_UNUSED(index); Q_UNUSED(result); return false; }
+    virtual bool runIterations(Iterator _begin, int beginIndex, int endIndex, T *results)
+        { Q_UNUSED(_begin); Q_UNUSED(beginIndex); Q_UNUSED(endIndex); Q_UNUSED(results); return false; }
+
+    void start()
+    {
+        progressReportingEnabled = this->isProgressReportingEnabled();
+        if (progressReportingEnabled && iterationCount > 0)
+            this->setProgressRange(0, iterationCount);
+    }
+
+    bool shouldStartThread()
+    {
+        if (forIteration)
+            return (currentIndex < iterationCount) && !this->shouldThrottleThread();
+        else // whileIteration
+            return (iteratorThreads == 0);
+    }
+
+    ThreadFunctionResult threadFunction()
+    {
+        if (forIteration)
+            return this->forThreadFunction();
+        else // whileIteration
+            return this->whileThreadFunction();
+    }
+
+    ThreadFunctionResult forThreadFunction()
+    {
+        BlockSizeManager blockSizeManager(iterationCount);
+        ResultReporter<T> resultReporter(this);
+
+        for(;;) {
+            if (this->isCanceled())
+                break;
+
+            const int currentBlockSize = blockSizeManager.blockSize();
+
+            if (currentIndex >= iterationCount)
+                break;
+
+            // Atomically reserve a block of iterationCount for this thread.
+            const int beginIndex = currentIndex.fetchAndAddRelease(currentBlockSize);
+            const int endIndex = qMin(beginIndex + currentBlockSize, iterationCount);
+
+            if (beginIndex >= endIndex) {
+                // No more work
+                break;
+            }
+
+            this->waitForResume(); // (only waits if the qfuture is paused.)
+
+            if (shouldStartThread())
+                this->startThread();
+
+            const int finalBlockSize = endIndex - beginIndex; // block size adjusted for possible end-of-range
+            resultReporter.reserveSpace(finalBlockSize);
+
+            // Call user code with the current iteration range.
+            blockSizeManager.timeBeforeUser();
+            const bool resultsAvailable = this->runIterations(begin, beginIndex, endIndex, resultReporter.getPointer());
+            blockSizeManager.timeAfterUser();
+
+            if (resultsAvailable)
+                resultReporter.reportResults(beginIndex);
+
+            // Report progress if progress reporting enabled.
+            if (progressReportingEnabled) {
+                completed.fetchAndAddAcquire(finalBlockSize);
+                this->setProgressValue(this->completed);
+            }
+
+            if (this->shouldThrottleThread())
+                return ThrottleThread;
+        }
+        return ThreadFinished;
+    }
+
+    ThreadFunctionResult whileThreadFunction()
+    {
+        if (iteratorThreads.testAndSetAcquire(0, 1) == false)
+            return ThreadFinished;
+
+        ResultReporter<T> resultReporter(this);
+        resultReporter.reserveSpace(1);
+
+        while (current != end) {
+            // The following two lines breaks support for input iterators according to
+            // the sgi docs: dereferencing prev after calling ++current is not allowed
+            // on input iterators. (prev is dereferenced inside user.runIteration())
+            Iterator prev = current;
+            ++current;
+            int index = currentIndex.fetchAndAddRelaxed(1);
+            iteratorThreads.testAndSetRelease(1, 0);
+
+            this->waitForResume(); // (only waits if the qfuture is paused.)
+
+            if (shouldStartThread())
+                this->startThread();
+
+            const bool resultAavailable = this->runIteration(prev, index, resultReporter.getPointer());
+            if (resultAavailable)
+                resultReporter.reportResults(index);
+
+            if (this->shouldThrottleThread())
+                return ThrottleThread;
+
+            if (iteratorThreads.testAndSetAcquire(0, 1) == false)
+                return ThreadFinished;
+        }
+
+        return ThreadFinished;
+    }
+
+
+public:
+    const Iterator begin;
+    const Iterator end;
+    Iterator current;
+    QAtomicInt currentIndex;
+    bool forIteration;
+    QAtomicInt iteratorThreads;
+    int iterationCount;
+
+    bool progressReportingEnabled;
+    QAtomicInt completed;
+};
+
+} // namespace QtConcurrent
+
+#endif //qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentmap.cpp b/src/corelib/concurrent/qtconcurrentmap.cpp
new file mode 100644
index 0000000000..8880a876c7
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentmap.cpp
@@ -0,0 +1,401 @@
+    /****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \namespace QtConcurrent
+    \since 4.4
+    \brief The QtConcurrent namespace provides high-level APIs that make it
+    possible to write multi-threaded programs without using low-level
+    threading primitives.
+
+    See the \l {threads.html#qtconcurrent-intro}{Qt Concurrent} section in the \l{threads.html}{threading} documentation.
+    
+    \ingroup thread
+*/
+
+/*!
+    \namespace QtConcurrent::internal
+    \internal
+
+    \brief The QtConcurrent::internal namespace contains QtConcurrent
+    implementation details.
+
+    \ingroup thread
+*/
+
+/*!
+    \enum QtConcurrent::ReduceOption
+    This enum specifies the order of which results from the map or filter 
+    function are passed to the reduce function.
+
+    \value UnorderedReduce Reduction is done in an arbitrary order.
+    \value OrderedReduce Reduction is done in the order of the
+    original sequence.
+    \value SequentialReduce Reduction is done sequentally: only one
+    thread will enter the reduce function at a time. (Parallel reduction
+    might be supported in a future version of Qt Concurrent.)
+*/
+
+/*!
+    \headerfile <QtConcurrentMap>
+    \title Concurrent Map and Map-Reduce
+    \ingroup threading
+
+    \brief The <QtConcurrentMap> header provides concurrent Map and MapReduce.
+
+    These functions are a part of the \l {threads.html#qtconcurrent-intro}{Qt Concurrent} framework.
+
+    The QtConcurrent::map(), QtConcurrent::mapped() and
+    QtConcurrent::mappedReduced() functions run computations in parallel on
+    the items in a sequence such as a QList or a QVector. QtConcurrent::map()
+    modifies a sequence in-place, QtConcurrent::mapped() returns a new
+    sequence containing the modified content, and QtConcurrent::mappedReduced()
+    returns a single result.
+
+    Each of the above functions has a blocking variant that returns
+    the final result instead of a QFuture. You use them in the same
+    way as the asynchronous variants.
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 7
+
+    Note that the result types above are not QFuture objects, but real result
+    types (in this case, QList<QImage> and QImage).
+
+    \section1 Concurrent Map
+
+    QtConcurrent::mapped() takes an input sequence and a map function. This map
+    function is then called for each item in the sequence, and a new sequence
+    containing the return values from the map function is returned.
+
+    The map function must be of the form:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 0
+
+    T and U can be any type (and they can even be the same type), but T must
+    match the type stored in the sequence. The function returns the modified
+    or \e mapped content.
+
+    This example shows how to apply a scale function to all the items
+    in a sequence:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 1
+
+    The results of the map are made available through QFuture.  See the
+    QFuture and QFutureWatcher documentation for more information on how to
+    use QFuture in your applications.
+
+    If you want to modify a sequence in-place, use QtConcurrent::map(). The
+    map function must then be of the form:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 2
+
+    Note that the return value and return type of the map function are not
+    used.
+
+    Using QtConcurrent::map() is similar to using QtConcurrent::mapped():
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 3
+
+    Since the sequence is modified in place, QtConcurrent::map() does not
+    return any results via QFuture. However, you can still use QFuture and
+    QFutureWatcher to monitor the status of the map.
+
+    \section1 Concurrent Map-Reduce
+
+    QtConcurrent::mappedReduced() is similar to QtConcurrent::mapped(), but
+    instead of returning a sequence with the new results, the results are
+    combined into a single value using a reduce function.
+
+    The reduce function must be of the form:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 4
+
+    T is the type of the final result, U is the return type of the map
+    function. Note that the return value and return type of the reduce
+    function are not used.
+
+    Call QtConcurrent::mappedReduced() like this:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 5
+
+    The reduce function will be called once for each result returned by the map
+    function, and should merge the \e{intermediate} into the \e{result}
+    variable.  QtConcurrent::mappedReduced() guarantees that only one thread
+    will call reduce at a time, so using a mutex to lock the result variable
+    is not neccesary. The QtConcurrent::ReduceOptions enum provides a way to
+    control the order in which the reduction is done. If
+    QtConcurrent::UnorderedReduce is used (the default), the order is
+    undefined, while QtConcurrent::OrderedReduce ensures that the reduction
+    is done in the order of the original sequence.
+
+    \section1 Additional API Features
+
+    \section2 Using Iterators instead of Sequence
+
+    Each of the above functions has a variant that takes an iterator range
+    instead of a sequence. You use them in the same way as the sequence
+    variants:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 6
+
+    \section2 Blocking Variants
+
+    Each of the above functions has a blocking variant that returns
+    the final result instead of a QFuture. You use them in the same
+    way as the asynchronous variants.
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 7
+
+    Note that the result types above are not QFuture objects, but real result
+    types (in this case, QList<QImage> and QImage).
+
+    \section2 Using Member Functions
+
+    QtConcurrent::map(), QtConcurrent::mapped(), and
+    QtConcurrent::mappedReduced() accept pointers to member functions.
+    The member function class type must match the type stored in the sequence:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 8
+
+    Note that when using QtConcurrent::mappedReduced(), you can mix the use of
+    normal and member functions freely:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 9
+
+    \section2 Using Function Objects
+
+    QtConcurrent::map(), QtConcurrent::mapped(), and
+    QtConcurrent::mappedReduced() accept function objects, which can be used to
+    add state to a function call. The result_type typedef must define the 
+    result type of the function call operator:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 14
+
+    \section2 Using Bound Function Arguments
+
+    Note that Qt does not provide support for bound functions. This is
+    provided by 3rd party libraries like
+    \l{http://www.boost.org/libs/bind/bind.html}{Boost} or
+    \l{http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1836.pdf}{C++
+    TR1 Library Extensions}.
+
+    If you want to use a map function that takes more than one argument you can
+    use boost::bind() or std::tr1::bind() to transform it onto a function that
+    takes one argument.
+
+    As an example, we'll use QImage::scaledToWidth():
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 10
+
+    scaledToWidth takes three arguments (including the "this" pointer) and
+    can't be used with QtConcurrent::mapped() directly, because
+    QtConcurrent::mapped() expects a function that takes one argument. To use
+    QImage::scaledToWidth() with QtConcurrent::mapped() we have to provide a
+    value for the \e{width} and the \e{transformation mode}:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 11
+
+    The return value from boost::bind() is a function object (functor) with
+    the following signature:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 12
+
+    This matches what QtConcurrent::mapped() expects, and the complete example
+    becomes:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentmap.cpp 13
+*/
+
+/*!
+    \fn QFuture<void> QtConcurrent::map(Sequence &sequence, MapFunction function)
+    \relates <QtConcurrentMap>
+
+    Calls \a function once for each item in \a sequence. The \a function is
+    passed a reference to the item, so that any modifications done to the item
+    will appear in \a sequence.
+*/
+
+/*!
+    \fn QFuture<void> QtConcurrent::map(Iterator begin, Iterator end, MapFunction function)
+    \relates <QtConcurrentMap>
+
+    Calls \a function once for each item from \a begin to \a end. The
+    \a function is passed a reference to the item, so that any modifications
+    done to the item will appear in the sequence which the iterators belong to.
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::mapped(const Sequence &sequence, MapFunction function)
+    \relates <QtConcurrentMap>
+
+    Calls \a function once for each item in \a sequence and returns a future
+    with each mapped item as a result. You can use QFuture::const_iterator or
+    QFutureIterator to iterate through the results.
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::mapped(ConstIterator begin, ConstIterator end, MapFunction function)
+    \relates <QtConcurrentMap>
+
+    Calls \a function once for each item from \a begin to \a end and returns a
+    future with each mapped item as a result. You can use
+    QFuture::const_iterator or QFutureIterator to iterate through the results.
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::mappedReduced(const Sequence &sequence,
+    MapFunction mapFunction, ReduceFunction reduceFunction,
+    QtConcurrent::ReduceOptions reduceOptions)
+
+    \relates <QtConcurrentMap>
+
+    Calls \a mapFunction once for each item in \a sequence. The return value of
+    each \a mapFunction is passed to \a reduceFunction.
+
+    Note that while \a mapFunction is called concurrently, only one thread at a
+    time will call \a reduceFunction. The order in which \a reduceFunction is
+    called is determined by \a reduceOptions.
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::mappedReduced(ConstIterator begin,
+    ConstIterator end, MapFunction mapFunction, ReduceFunction reduceFunction,
+    QtConcurrent::ReduceOptions reduceOptions)
+
+    \relates <QtConcurrentMap>
+
+    Calls \a mapFunction once for each item from \a begin to \a end. The return
+    value of each \a mapFunction is passed to \a reduceFunction.
+
+    Note that while \a mapFunction is called concurrently, only one thread at a
+    time will call \a reduceFunction. By default, the order in which
+    \a reduceFunction is called is undefined.
+
+    \note QtConcurrent::OrderedReduce results in the ordered reduction.
+*/
+
+/*!
+  \fn void QtConcurrent::blockingMap(Sequence &sequence, MapFunction function)
+
+  Calls \a function once for each item in \a sequence. The \a function is
+  passed a reference to the item, so that any modifications done to the item
+  will appear in \a sequence.
+
+  \note This function will block until all items in the sequence have been processed.
+
+  \sa map()
+*/
+
+/*!
+  \fn void QtConcurrent::blockingMap(Iterator begin, Iterator end, MapFunction function)
+
+  Calls \a function once for each item from \a begin to \a end. The
+  \a function is passed a reference to the item, so that any modifications
+  done to the item will appear in the sequence which the iterators belong to.
+
+  \note This function will block until the iterator reaches the end of the
+  sequence being processed.
+
+  \sa map()
+*/
+
+/*!
+  \fn T QtConcurrent::blockingMapped(const Sequence &sequence, MapFunction function)
+
+  Calls \a function once for each item in \a sequence and returns a Sequence containing
+  the results. The type of the results will match the type returned my the MapFunction.
+
+  \note This function will block until all items in the sequence have been processed.
+
+  \sa mapped()
+*/
+
+/*!
+  \fn T QtConcurrent::blockingMapped(ConstIterator begin, ConstIterator end, MapFunction function)
+
+  Calls \a function once for each item from \a begin to \a end and returns a
+  container with the results. Specify the type of container as the a template
+  argument, like this:
+  
+  \code
+     QList<int> ints = QtConcurrent::blockingMapped<QList<int> >(beginIterator, endIterator, fn);
+  \endcode
+
+  \note This function will block until the iterator reaches the end of the
+  sequence being processed.
+
+  \sa mapped()
+*/
+
+/*!
+  \fn T QtConcurrent::blockingMappedReduced(const Sequence &sequence, MapFunction mapFunction, ReduceFunction reduceFunction, QtConcurrent::ReduceOptions reduceOptions)
+
+  \relates <QtConcurrentMap>
+
+  Calls \a mapFunction once for each item in \a sequence. The return value of
+  each \a mapFunction is passed to \a reduceFunction.
+
+  Note that while \a mapFunction is called concurrently, only one thread at a
+  time will call \a reduceFunction. The order in which \a reduceFunction is
+  called is determined by \a reduceOptions.
+
+  \note This function will block until all items in the sequence have been processed.
+
+  \sa mapped()
+*/
+
+/*!
+  \fn T QtConcurrent::blockingMappedReduced(ConstIterator begin, ConstIterator end, MapFunction mapFunction, ReduceFunction reduceFunction, QtConcurrent::ReduceOptions reduceOptions)
+
+  \relates <QtConcurrentMap>
+
+  Calls \a mapFunction once for each item from \a begin to \a end. The return
+  value of each \a mapFunction is passed to \a reduceFunction.
+
+  Note that while \a mapFunction is called concurrently, only one thread at a
+  time will call \a reduceFunction. The order in which \a reduceFunction is
+  called is undefined.
+
+  \note This function will block until the iterator reaches the end of the
+  sequence being processed.
+
+  \sa blockingMappedReduced()
+*/
diff --git a/src/corelib/concurrent/qtconcurrentmap.h b/src/corelib/concurrent/qtconcurrentmap.h
new file mode 100644
index 0000000000..0d55a74fa6
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentmap.h
@@ -0,0 +1,780 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_MAP_H
+#define QTCONCURRENT_MAP_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qtconcurrentmapkernel.h>
+#include <QtCore/qtconcurrentreducekernel.h>
+#include <QtCore/qtconcurrentfunctionwrappers.h>
+#include <QtCore/qstringlist.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifdef qdoc
+
+namespace QtConcurrent {
+
+    QFuture<void> map(Sequence &sequence, MapFunction function);
+    QFuture<void> map(Iterator begin, Iterator end, MapFunction function);
+
+    template <typename T>
+    QFuture<T> mapped(const Sequence &sequence, MapFunction function);
+    template <typename T>
+    QFuture<T> mapped(ConstIterator begin, ConstIterator end, MapFunction function);
+
+    template <typename T>
+    QFuture<T> mappedReduced(const Sequence &sequence,
+                             MapFunction function,
+                             ReduceFunction function,
+                             QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
+    template <typename T>
+    QFuture<T> mappedReduced(ConstIterator begin,
+                             ConstIterator end,
+                             MapFunction function,
+                             ReduceFunction function,
+                             QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
+
+    void blockingMap(Sequence &sequence, MapFunction function);
+    void blockingMap(Iterator begin, Iterator end, MapFunction function);
+
+    template <typename T>
+    T blockingMapped(const Sequence &sequence, MapFunction function);
+    template <typename T>
+    T blockingMapped(ConstIterator begin, ConstIterator end, MapFunction function);
+
+    template <typename T>
+    T blockingMappedReduced(const Sequence &sequence,
+                            MapFunction function,
+                            ReduceFunction function,
+                            QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
+    template <typename T>
+    T blockingMappedReduced(ConstIterator begin,
+                            ConstIterator end,
+                            MapFunction function,
+                            ReduceFunction function,
+                            QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
+
+} // namespace QtConcurrent
+
+#else
+
+namespace QtConcurrent {
+
+// map() on sequences
+template <typename Sequence, typename MapFunctor>
+QFuture<void> map(Sequence &sequence, MapFunctor map)
+{
+    return startMap(sequence.begin(), sequence.end(), map);
+}
+
+template <typename Sequence, typename T, typename U>
+QFuture<void> map(Sequence &sequence, T (map)(U))
+{
+    return startMap(sequence.begin(), sequence.end(), FunctionWrapper1<T, U>(map));
+}
+
+template <typename Sequence, typename T, typename C>
+QFuture<void> map(Sequence &sequence, T (C::*map)())
+{
+    return startMap(sequence.begin(), sequence.end(), MemberFunctionWrapper<T, C>(map));
+}
+
+// map() on iterators
+template <typename Iterator, typename MapFunctor>
+QFuture<void> map(Iterator begin, Iterator end, MapFunctor map)
+{
+    return startMap(begin, end, map);
+}
+
+template <typename Iterator, typename T, typename U>
+QFuture<void> map(Iterator begin, Iterator end, T (map)(U))
+{
+    return startMap(begin, end, FunctionWrapper1<T, U>(map));
+}
+
+template <typename Iterator, typename T, typename C>
+QFuture<void> map(Iterator begin, Iterator end, T (C::*map)())
+{
+    return startMap(begin, end, MemberFunctionWrapper<T, C>(map));
+}
+
+// mappedReduced() for sequences.
+template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(const Sequence &sequence,
+                                  MapFunctor map,
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, ResultType>
+    (sequence, map, reduce, options);
+}
+
+template <typename Sequence, typename MapFunctor, typename T, typename U, typename V>
+QFuture<U> mappedReduced(const Sequence &sequence,
+                         MapFunctor map,
+                         T (reduce)(U &, V),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, U>
+    (sequence, map, FunctionWrapper2<T, U &, V>(reduce), options);
+}
+
+template <typename Sequence, typename MapFunctor, typename T, typename C, typename U>
+QFuture<C> mappedReduced(const Sequence &sequence,
+                         MapFunctor map,
+                         T (C::*reduce)(U),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, C>
+    (sequence, map, MemberFunctionWrapper1<T, C, U>(reduce), options);
+}
+
+template <typename ResultType, typename Sequence, typename T, typename U, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(const Sequence &sequence,
+                                  T (map)(U),
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, ResultType>
+    (sequence, FunctionWrapper1<T, U>(map), reduce, options);
+}
+
+template <typename ResultType, typename Sequence, typename T, typename C, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(const Sequence &sequence,
+                                  T (C::*map)() const,
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, ResultType>
+    (sequence, ConstMemberFunctionWrapper<T, C>(map), reduce, options);
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename W, typename X>
+QFuture<W> mappedReduced(const Sequence &sequence,
+                         T (map)(U),
+                         V (reduce)(W &, X),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, W>
+    (sequence, FunctionWrapper1<T, U>(map), FunctionWrapper2<V, W &, X>(reduce), options);
+}
+
+template <typename Sequence, typename T, typename C, typename U, typename V, typename W>
+QFuture<V> mappedReduced(const Sequence &sequence,
+                         T (C::*map)() const,
+                         U (reduce)(V &, W),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, V> (sequence, ConstMemberFunctionWrapper<T, C>(map),
+                                    FunctionWrapper2<U, V &, W>(reduce), options);
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename C, typename W>
+QFuture<C> mappedReduced(const Sequence &sequence,
+                         T (map)(U),
+                         V (C::*reduce)(W),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, C> (sequence, FunctionWrapper1<T, U>(map),
+                                     MemberFunctionWrapper1<V, C, W>(reduce), options);
+}
+
+template <typename Sequence, typename T, typename C, typename U,typename D, typename V>
+QFuture<D> mappedReduced(const Sequence &sequence,
+                         T (C::*map)() const,
+                         U (D::*reduce)(V),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, D>(sequence, ConstMemberFunctionWrapper<T, C>(map),
+                                    MemberFunctionWrapper1<U, D, V>(reduce), options);
+}
+
+// mappedReduced() for iterators
+template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(Iterator begin,
+                                  Iterator end,
+                                  MapFunctor map,
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<ResultType, typename MapFunctor::result_type>
+    (begin, end, map, reduce, options);
+}
+
+template <typename Iterator, typename MapFunctor, typename T, typename U, typename V>
+QFuture<U> mappedReduced(Iterator begin,
+                         Iterator end,
+                         MapFunctor map,
+                         T (reduce)(U &, V),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, U>
+    (begin, end, map, FunctionWrapper2<T, U &, V>(reduce), options);
+}
+
+template <typename Iterator, typename MapFunctor, typename T, typename C, typename U>
+QFuture<C> mappedReduced(Iterator begin,
+                         Iterator end,
+                         MapFunctor map,
+                         T (C::*reduce)(U),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, C>
+    (begin, end, map, MemberFunctionWrapper1<T, C, U>(reduce), options);
+}
+
+template <typename ResultType, typename Iterator, typename T, typename U, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(Iterator begin,
+                                  Iterator end,
+                                  T (map)(U),
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, ResultType>
+    (begin, end, FunctionWrapper1<T, U>(map), reduce, options);
+}
+
+template <typename ResultType, typename Iterator, typename T, typename C, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(Iterator begin,
+                                  Iterator end,
+                                  T (C::*map)() const,
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, ResultType>
+    (begin, end, ConstMemberFunctionWrapper<T, C>(map), reduce, options);
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename W, typename X>
+QFuture<W> mappedReduced(Iterator begin,
+                         Iterator end,
+                         T (map)(U),
+                         V (reduce)(W &, X),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, W>
+    (begin, end, FunctionWrapper1<T, U>(map), FunctionWrapper2<V, W &, X>(reduce), options);
+}
+
+template <typename Iterator, typename T, typename C, typename U, typename V, typename W>
+QFuture<V> mappedReduced(Iterator begin,
+                         Iterator end,
+                         T (C::*map)() const,
+                         U (reduce)(V &, W),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, V>(begin, end, ConstMemberFunctionWrapper<T, C>(map),
+                                   FunctionWrapper2<U, V &, W>(reduce), options);
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename C, typename W>
+QFuture<C> mappedReduced(Iterator begin,
+                         Iterator end,
+                         T (map)(U),
+                         V (C::*reduce)(W),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, C>
+    (begin, end, FunctionWrapper1<T, U>(map), MemberFunctionWrapper1<V, C, W>(reduce), options);
+}
+
+template <typename Iterator, typename T, typename C, typename U,typename D, typename V>
+QFuture<D> mappedReduced(Iterator begin,
+                         Iterator end,
+                         T (C::*map)() const,
+                         U (D::*reduce)(V),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, D>(begin, end, ConstMemberFunctionWrapper<T, C>(map),
+                                    MemberFunctionWrapper1<U, D, V>(reduce), options);
+}
+
+// mapped() for sequences
+template <typename Sequence, typename MapFunctor>
+QFuture<typename MapFunctor::result_type> mapped(const Sequence &sequence, MapFunctor map)
+{
+    return startMapped<typename MapFunctor::result_type>(sequence, map);
+}
+
+template <typename Sequence, typename T, typename U>
+QFuture<T> mapped(const Sequence &sequence, T (map)(U))
+{
+   return startMapped<T>(sequence, FunctionWrapper1<T, U>(map));
+}
+
+template <typename Sequence, typename T, typename C>
+QFuture<T> mapped(const Sequence &sequence, T (C::*map)() const)
+{
+    return startMapped<T>(sequence, ConstMemberFunctionWrapper<T, C>(map));
+}
+
+// mapped() for iterator ranges.
+template <typename Iterator, typename MapFunctor>
+QFuture<typename MapFunctor::result_type> mapped(Iterator begin, Iterator end, MapFunctor map)
+{
+    return startMapped<Q_TYPENAME MapFunctor::result_type>(begin, end, map);
+}
+
+template <typename Iterator, typename T, typename U>
+QFuture<T> mapped(Iterator begin, Iterator end, T (map)(U))
+{
+    return startMapped<T>(begin, end, FunctionWrapper1<T, U>(map));
+}
+
+template <typename Iterator, typename T, typename C>
+QFuture<T> mapped(Iterator begin, Iterator end, T (C::*map)() const)
+{
+    return startMapped<T>(begin, end, ConstMemberFunctionWrapper<T, C>(map));
+}
+
+
+template <typename Sequence, typename MapFunctor>
+void blockingMap(Sequence &sequence, MapFunctor map)
+{
+    startMap(sequence.begin(), sequence.end(), map).startBlocking();
+}
+
+template <typename Sequence, typename T, typename U>
+void blockingMap(Sequence &sequence, T (map)(U))
+{
+    startMap(sequence.begin(), sequence.end(), QtConcurrent::FunctionWrapper1<T, U>(map)).startBlocking();
+}
+
+template <typename Sequence, typename T, typename C>
+void blockingMap(Sequence &sequence, T (C::*map)())
+{
+    startMap(sequence.begin(), sequence.end(), QtConcurrent::MemberFunctionWrapper<T, C>(map)).startBlocking();
+}
+
+template <typename Iterator, typename MapFunctor>
+void blockingMap(Iterator begin, Iterator end, MapFunctor map)
+{
+    startMap(begin, end, map).startBlocking();
+}
+
+template <typename Iterator, typename T, typename U>
+void blockingMap(Iterator begin, Iterator end, T (map)(U))
+{
+    startMap(begin, end, QtConcurrent::FunctionWrapper1<T, U>(map)).startBlocking();
+}
+
+template <typename Iterator, typename T, typename C>
+void blockingMap(Iterator begin, Iterator end, T (C::*map)())
+{
+    startMap(begin, end, QtConcurrent::MemberFunctionWrapper<T, C>(map)).startBlocking();
+}
+
+template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
+ResultType blockingMappedReduced(const Sequence &sequence,
+                                 MapFunctor map,
+                                 ReduceFunctor reduce,
+                                 ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, ResultType>
+    (sequence, map, reduce, options).startBlocking();
+}
+
+template <typename Sequence, typename MapFunctor, typename T, typename U, typename V>
+U blockingMappedReduced(const Sequence &sequence,
+                        MapFunctor map,
+                        T (reduce)(U &, V),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, U>
+        (sequence,
+         map,
+         QtConcurrent::FunctionWrapper2<T, U &, V>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename MapFunctor, typename T, typename C, typename U>
+C blockingMappedReduced(const Sequence &sequence,
+                        MapFunctor map,
+                        T (C::*reduce)(U),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, C>
+        (sequence,
+         map,
+         QtConcurrent::MemberFunctionWrapper1<T, C, U>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Sequence, typename T, typename U, typename ReduceFunctor>
+ResultType blockingMappedReduced(const Sequence &sequence,
+                                 T (map)(U),
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, ResultType>
+        (sequence,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         reduce,
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Sequence, typename T, typename C, typename ReduceFunctor>
+ResultType blockingMappedReduced(const Sequence &sequence,
+                                 T (C::*map)() const,
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, ResultType>
+        (sequence,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         reduce,
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename W, typename X>
+W blockingMappedReduced(const Sequence &sequence,
+                        T (map)(U),
+                        V (reduce)(W &, X),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, W>
+        (sequence,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         QtConcurrent::FunctionWrapper2<V, W &, X>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename T, typename C, typename U, typename V, typename W>
+V blockingMappedReduced(const Sequence &sequence,
+                        T (C::*map)() const,
+                        U (reduce)(V &, W),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, V>
+        (sequence,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         QtConcurrent::FunctionWrapper2<U, V &, W>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename C, typename W>
+C blockingMappedReduced(const Sequence &sequence,
+                        T (map)(U),
+                        V (C::*reduce)(W),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, C>
+        (sequence,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         QtConcurrent::MemberFunctionWrapper1<V, C, W>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename T, typename C, typename U,typename D, typename V>
+D blockingMappedReduced(const Sequence &sequence,
+                        T (C::*map)() const,
+                        U (D::*reduce)(V),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, D>
+        (sequence,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         QtConcurrent::MemberFunctionWrapper1<U, D, V>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
+ResultType blockingMappedReduced(Iterator begin,
+                                 Iterator end,
+                                 MapFunctor map,
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, ResultType>
+        (begin, end, map, reduce, options).startBlocking();
+}
+
+template <typename Iterator, typename MapFunctor, typename T, typename U, typename V>
+U blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        MapFunctor map,
+                        T (reduce)(U &, V),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, U>
+        (begin,
+         end,
+         map,
+         QtConcurrent::FunctionWrapper2<T, U &, V>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename MapFunctor, typename T, typename C, typename U>
+C blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        MapFunctor map,
+                        T (C::*reduce)(U),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, C>
+        (begin,
+         end,
+         map,
+         QtConcurrent::MemberFunctionWrapper1<T, C, U>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Iterator, typename T, typename U, typename ReduceFunctor>
+ResultType blockingMappedReduced(Iterator begin,
+                                 Iterator end,
+                                 T (map)(U),
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, ResultType>
+        (begin,
+         end,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         reduce,
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Iterator, typename T, typename C, typename ReduceFunctor>
+ResultType blockingMappedReduced(Iterator begin,
+                                 Iterator end,
+                                 T (C::*map)() const,
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, ResultType>
+        (begin,
+         end,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         reduce,
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename W, typename X>
+W blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        T (map)(U),
+                        V (reduce)(W &, X),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, W>
+        (begin,
+         end,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         QtConcurrent::FunctionWrapper2<V, W &, X>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename T, typename C, typename U, typename V, typename W>
+V blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        T (C::*map)() const,
+                        U (reduce)(V &, W),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, V>
+        (begin,
+         end,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         QtConcurrent::FunctionWrapper2<U, V &, W>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename C, typename W>
+C blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        T (map)(U),
+                        V (C::*reduce)(W),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, C>
+        (begin,
+         end,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         QtConcurrent::MemberFunctionWrapper1<V, C, W>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename T, typename C, typename U,typename D, typename V>
+D blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        T (C::*map)() const,
+                        U (D::*reduce)(V),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, D>
+        (begin,
+         end,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         QtConcurrent::MemberFunctionWrapper1<U, D, V>(reduce),
+         options)
+        .startBlocking();
+}
+
+// mapped() for sequences with a different putput sequence type.
+template <typename OutputSequence, typename InputSequence, typename MapFunctor>
+OutputSequence blockingMapped(const InputSequence &sequence, MapFunctor map)
+{
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename OutputSequence, typename InputSequence, typename T, typename U>
+OutputSequence blockingMapped(const InputSequence &sequence, T (map)(U))
+{
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename OutputSequence, typename InputSequence, typename T, typename C>
+OutputSequence blockingMapped(const InputSequence &sequence, T (C::*map)() const)
+{
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+#ifndef QT_NO_TEMPLATE_TEMPLATE_PARAMETERS
+
+// overloads for changing the container value type:
+template <template <typename> class Sequence, typename MapFunctor, typename T>
+Sequence<typename MapFunctor::result_type> blockingMapped(const Sequence<T> &sequence, MapFunctor map)
+{
+    typedef Sequence<typename MapFunctor::result_type> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                               QtConcurrent::OrderedReduce);
+}
+
+template <template <typename> class Sequence, typename T, typename U, typename V>
+Sequence<U> blockingMapped(const Sequence<T> &sequence, U (map)(V))
+{
+    typedef Sequence<U> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                               QtConcurrent::OrderedReduce);
+}
+
+template <template <typename> class Sequence, typename T, typename U, typename C>
+Sequence<U> blockingMapped(const Sequence<T> &sequence, U (C::*map)() const)
+{
+    typedef Sequence<U> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                               QtConcurrent::OrderedReduce);
+}
+
+#endif // QT_NO_TEMPLATE_TEMPLATE_PARAMETER
+
+// overloads for changing the container value type from a QStringList:
+template <typename MapFunctor>
+QList<typename MapFunctor::result_type> blockingMapped(const QStringList &sequence, MapFunctor map)
+{
+    typedef QList<typename MapFunctor::result_type> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename U, typename V>
+QList<U> blockingMapped(const QStringList &sequence, U (map)(V))
+{
+    typedef QList<U> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename U, typename C>
+QList<U> blockingMapped(const QStringList &sequence, U (C::*map)() const)
+{
+    typedef QList<U> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+// mapped()  for iterator ranges
+template <typename Sequence, typename Iterator, typename MapFunctor>
+Sequence blockingMapped(Iterator begin, Iterator end, MapFunctor map)
+{
+    return blockingMappedReduced(begin, end, map, &Sequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename Sequence, typename Iterator, typename T, typename U>
+Sequence blockingMapped(Iterator begin, Iterator end, T (map)(U))
+{
+    return blockingMappedReduced(begin, end, map, &Sequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename Sequence, typename Iterator, typename T, typename C>
+Sequence blockingMapped(Iterator begin, Iterator end, T (C::*map)() const)
+{
+    return blockingMappedReduced(begin, end, map, &Sequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+} // namespace QtConcurrent
+
+#endif // qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentmapkernel.h b/src/corelib/concurrent/qtconcurrentmapkernel.h
new file mode 100644
index 0000000000..0c6a5adf25
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentmapkernel.h
@@ -0,0 +1,273 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_MAPKERNEL_H
+#define QTCONCURRENT_MAPKERNEL_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qtconcurrentiteratekernel.h>
+#include <QtCore/qtconcurrentreducekernel.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+namespace QtConcurrent {
+
+// map kernel, works with both parallel-for and parallel-while
+template <typename Iterator, typename MapFunctor>
+class MapKernel : public IterateKernel<Iterator, void>
+{
+    MapFunctor map;
+public:
+    typedef void ReturnType;
+    MapKernel(Iterator begin, Iterator end, MapFunctor _map)
+        : IterateKernel<Iterator, void>(begin, end), map(_map)
+    { }
+
+    bool runIteration(Iterator it, int, void *)
+    {
+        map(*it);
+        return false;
+    }
+
+    bool runIterations(Iterator sequenceBeginIterator, int beginIndex, int endIndex, void *)
+    {
+        Iterator it = sequenceBeginIterator;
+        advance(it, beginIndex);
+        for (int i = beginIndex; i < endIndex; ++i) {
+            runIteration(it, i, 0);
+            advance(it, 1);
+        }
+       
+        return false;
+    }
+};
+
+template <typename ReducedResultType,
+          typename Iterator,
+          typename MapFunctor,
+          typename ReduceFunctor,
+          typename Reducer = ReduceKernel<ReduceFunctor,
+                                          ReducedResultType,
+                                          typename MapFunctor::result_type> >
+class MappedReducedKernel : public IterateKernel<Iterator, ReducedResultType>
+{
+    ReducedResultType reducedResult;
+    MapFunctor map;
+    ReduceFunctor reduce;
+    Reducer reducer;
+public:
+    typedef ReducedResultType ReturnType;
+    MappedReducedKernel(Iterator begin, Iterator end, MapFunctor _map, ReduceFunctor _reduce, ReduceOptions reduceOptions)
+        : IterateKernel<Iterator, ReducedResultType>(begin, end), reducedResult(), map(_map), reduce(_reduce), reducer(reduceOptions)
+    { }
+
+    MappedReducedKernel(ReducedResultType initialValue,
+                     MapFunctor _map,
+                     ReduceFunctor _reduce)
+        : reducedResult(initialValue), map(_map), reduce(_reduce)
+    { }
+
+    bool runIteration(Iterator it, int index, ReducedResultType *)
+    {
+        IntermediateResults<typename MapFunctor::result_type> results;
+        results.begin = index;
+        results.end = index + 1;
+
+        results.vector.append(map(*it));
+        reducer.runReduce(reduce, reducedResult, results);
+        return false;
+    }
+
+    bool runIterations(Iterator sequenceBeginIterator, int begin, int end, ReducedResultType *)
+    {
+        IntermediateResults<typename MapFunctor::result_type> results;
+        results.begin = begin;
+        results.end = end;
+        results.vector.reserve(end - begin);
+
+        Iterator it = sequenceBeginIterator;
+        advance(it, begin);
+        for (int i = begin; i < end; ++i) {
+            results.vector.append(map(*(it)));
+            advance(it, 1);
+        }
+
+        reducer.runReduce(reduce, reducedResult, results);
+        return false;
+    }
+
+    void finish()
+    {
+        reducer.finish(reduce, reducedResult);
+    }
+
+    bool shouldThrottleThread()
+    {
+        return IterateKernel<Iterator, ReducedResultType>::shouldThrottleThread() || reducer.shouldThrottle();
+    }
+
+    bool shouldStartThread()
+    {
+        return IterateKernel<Iterator, ReducedResultType>::shouldStartThread() && reducer.shouldStartThread();
+    }
+
+    typedef ReducedResultType ResultType;
+    ReducedResultType *result()
+    {
+        return &reducedResult;
+    }
+};
+
+template <typename Iterator, typename MapFunctor>
+class MappedEachKernel : public IterateKernel<Iterator, typename MapFunctor::result_type>
+{
+    MapFunctor map;
+    typedef typename MapFunctor::result_type T;
+public:
+    typedef T ReturnType;
+    typedef T ResultType;
+
+    MappedEachKernel(Iterator begin, Iterator end, MapFunctor _map)
+        : IterateKernel<Iterator, T>(begin, end), map(_map) { }
+
+    bool runIteration(Iterator it, int,  T *result)
+    {
+        *result = map(*it);
+        return true;
+    }
+
+    bool runIterations(Iterator sequenceBeginIterator, int begin, int end, T *results)
+    {
+
+        Iterator it = sequenceBeginIterator;
+        advance(it, begin);
+        for (int i = begin; i < end; ++i) {
+            runIteration(it, i, results + (i - begin));
+            advance(it, 1);
+        }
+
+        return true;
+    }
+};
+
+template <typename Iterator, typename Functor>
+inline ThreadEngineStarter<void> startMap(Iterator begin, Iterator end, Functor functor)
+{
+    return startThreadEngine(new MapKernel<Iterator, Functor>(begin, end, functor));
+}
+
+template <typename T, typename Iterator, typename Functor>
+inline ThreadEngineStarter<T> startMapped(Iterator begin, Iterator end, Functor functor)
+{
+    return startThreadEngine(new MappedEachKernel<Iterator, Functor>(begin, end, functor));
+}
+
+/*
+    The SequnceHolder class is used to hold a reference to the
+    sequence we are working on.
+*/
+template <typename Sequence, typename Base, typename Functor>
+struct SequenceHolder1 : public Base
+{
+    SequenceHolder1(const Sequence &_sequence, Functor functor)
+        : Base(_sequence.begin(), _sequence.end(), functor), sequence(_sequence)
+    { }
+
+    Sequence sequence;
+
+    void finish()
+    {
+        Base::finish();
+        // Clear the sequence to make sure all temporaries are destroyed
+        // before finished is signaled.
+        sequence = Sequence();
+    }
+};
+
+template <typename T, typename Sequence, typename Functor>
+inline ThreadEngineStarter<T> startMapped(const Sequence &sequence, Functor functor)
+{
+    typedef SequenceHolder1<Sequence,
+                            MappedEachKernel<typename Sequence::const_iterator , Functor>, Functor>
+                            SequenceHolderType;
+
+    return startThreadEngine(new SequenceHolderType(sequence, functor));
+}
+
+template <typename IntermediateType, typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
+inline ThreadEngineStarter<ResultType> startMappedReduced(const Sequence & sequence,
+                                                           MapFunctor mapFunctor, ReduceFunctor reduceFunctor,
+                                                           ReduceOptions options)
+{
+    typedef typename Sequence::const_iterator Iterator;
+    typedef ReduceKernel<ReduceFunctor, ResultType, IntermediateType> Reducer;
+    typedef MappedReducedKernel<ResultType, Iterator, MapFunctor, ReduceFunctor, Reducer> MappedReduceType;
+    typedef SequenceHolder2<Sequence, MappedReduceType, MapFunctor, ReduceFunctor> SequenceHolderType;
+    return startThreadEngine(new SequenceHolderType(sequence, mapFunctor, reduceFunctor, options));
+}
+
+template <typename IntermediateType, typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
+inline ThreadEngineStarter<ResultType> startMappedReduced(Iterator begin, Iterator end,
+                                                           MapFunctor mapFunctor, ReduceFunctor reduceFunctor,
+                                                           ReduceOptions options)
+{
+    typedef ReduceKernel<ReduceFunctor, ResultType, IntermediateType> Reducer;
+    typedef MappedReducedKernel<ResultType, Iterator, MapFunctor, ReduceFunctor, Reducer> MappedReduceType;
+    return startThreadEngine(new MappedReduceType(begin, end, mapFunctor, reduceFunctor, options));
+}
+
+} // namespace QtConcurrent
+
+#endif //qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentmedian.h b/src/corelib/concurrent/qtconcurrentmedian.h
new file mode 100644
index 0000000000..a8ad17d2bf
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentmedian.h
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_MEDIAN_H
+#define QTCONCURRENT_MEDIAN_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qvector.h>
+#include <QtCore/qalgorithms.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+
+template <typename T>
+class Median
+{
+public:
+    Median(int _bufferSize)
+        : currentMedian(), bufferSize(_bufferSize), currentIndex(0), valid(false), dirty(true)
+    {
+        values.resize(bufferSize);
+    }
+
+    void reset()
+    {
+        values.fill(0);
+        currentIndex = 0;
+        valid = false;
+        dirty = true;
+    }
+
+    void addValue(T value)
+    {
+        currentIndex = ((currentIndex + 1) % bufferSize);
+        if (valid == false && currentIndex % bufferSize == 0)
+            valid = true;
+
+        // Only update the cached median value when we have to, that
+        // is when the new value is on then other side of the median
+        // compared to the current value at the index.
+        const T currentIndexValue = values[currentIndex];
+        if ((currentIndexValue > currentMedian && currentMedian > value)
+            || (currentMedian > currentIndexValue && value > currentMedian)) {
+            dirty = true;
+        }
+
+        values[currentIndex] = value;
+    }
+
+    bool isMedianValid() const
+    {
+        return valid;
+    }
+
+    T median()
+    {
+        if (dirty) {
+            dirty = false;
+            QVector<T> sorted = values;
+            qSort(sorted);
+            currentMedian = sorted.at(bufferSize / 2 + 1);
+        }
+        return currentMedian;
+    }
+private:
+    QVector<T> values;
+    T currentMedian;
+    int bufferSize;
+    int currentIndex;
+    bool valid;
+    bool dirty;
+};
+
+} // namespace QtConcurrent
+
+#endif //qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentreducekernel.h b/src/corelib/concurrent/qtconcurrentreducekernel.h
new file mode 100644
index 0000000000..e863b631c9
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentreducekernel.h
@@ -0,0 +1,253 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_REDUCEKERNEL_H
+#define QTCONCURRENT_REDUCEKERNEL_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qatomic.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qmap.h>
+#include <QtCore/qmutex.h>
+#include <QtCore/qthread.h>
+#include <QtCore/qvector.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+namespace QtConcurrent {
+
+#ifndef qdoc
+
+/*
+    The ReduceQueueStartLimit and ReduceQueueThrottleLimit constants
+    limit the reduce queue size for MapReduce. When the number of
+    reduce blocks in the queue exceeds ReduceQueueStartLimit,
+    MapReduce won't start any new threads, and when it exceeds
+    ReduceQueueThrottleLimit running threads will be stopped.
+*/
+enum {
+    ReduceQueueStartLimit = 20,
+    ReduceQueueThrottleLimit = 30
+};
+
+// IntermediateResults holds a block of intermediate results from a
+// map or filter functor. The begin/end offsets indicates the origin
+// and range of the block.
+template <typename T>
+class IntermediateResults
+{
+public:
+    int begin, end;
+    QVector<T> vector;
+};
+
+#endif // qdoc
+
+enum ReduceOption {
+    UnorderedReduce = 0x1,
+    OrderedReduce = 0x2,
+    SequentialReduce = 0x4
+    // ParallelReduce = 0x8
+};
+Q_DECLARE_FLAGS(ReduceOptions, ReduceOption)
+Q_DECLARE_OPERATORS_FOR_FLAGS(ReduceOptions)
+
+#ifndef qdoc
+
+// supports both ordered and out-of-order reduction
+template <typename ReduceFunctor, typename ReduceResultType, typename T>
+class ReduceKernel
+{
+    typedef QMap<int, IntermediateResults<T> > ResultsMap;
+
+    const ReduceOptions reduceOptions;
+
+    QMutex mutex;
+    int progress, resultsMapSize;
+    ResultsMap resultsMap;
+
+    bool canReduce(int begin) const
+    {
+        return (((reduceOptions & UnorderedReduce)
+                 && progress == 0)
+                || ((reduceOptions & OrderedReduce)
+                    && progress == begin));
+    }
+
+    void reduceResult(ReduceFunctor &reduce,
+                      ReduceResultType &r,
+                      const IntermediateResults<T> &result)
+    {
+        for (int i = 0; i < result.vector.size(); ++i) {
+            reduce(r, result.vector.at(i));
+        }
+    }
+
+    void reduceResults(ReduceFunctor &reduce,
+                       ReduceResultType &r,
+                       ResultsMap &map)
+    {
+        typename ResultsMap::iterator it = map.begin();
+        while (it != map.end()) {
+            reduceResult(reduce, r, it.value());
+            ++it;
+        }
+    }
+
+public:
+    ReduceKernel(ReduceOptions _reduceOptions)
+        : reduceOptions(_reduceOptions), progress(0), resultsMapSize(0)
+    { }
+
+    void runReduce(ReduceFunctor &reduce,
+                   ReduceResultType &r,
+                   const IntermediateResults<T> &result)
+    {
+        QMutexLocker locker(&mutex);
+        if (!canReduce(result.begin)) {
+            ++resultsMapSize;
+            resultsMap.insert(result.begin, result);
+            return;
+        }
+
+        if (reduceOptions & UnorderedReduce) {
+            // UnorderedReduce
+            progress = -1;
+
+            // reduce this result
+            locker.unlock();
+            reduceResult(reduce, r, result);
+            locker.relock();
+
+            // reduce all stored results as well
+            while (!resultsMap.isEmpty()) {
+                ResultsMap resultsMapCopy = resultsMap;
+                resultsMap.clear();
+
+                locker.unlock();
+                reduceResults(reduce, r, resultsMapCopy);
+                locker.relock();
+
+                resultsMapSize -= resultsMapCopy.size();
+            }
+
+            progress = 0;
+        } else {
+            // reduce this result
+            locker.unlock();
+            reduceResult(reduce, r, result);
+            locker.relock();
+
+            // OrderedReduce
+            progress += result.end - result.begin;
+
+            // reduce as many other results as possible
+            typename ResultsMap::iterator it = resultsMap.begin();
+            while (it != resultsMap.end()) {
+                if (it.value().begin != progress)
+                    break;
+
+                locker.unlock();
+                reduceResult(reduce, r, it.value());
+                locker.relock();
+
+                --resultsMapSize;
+                progress += it.value().end - it.value().begin;
+                it = resultsMap.erase(it);
+            }
+        }
+    }
+
+    // final reduction
+    void finish(ReduceFunctor &reduce, ReduceResultType &r)
+    {
+        reduceResults(reduce, r, resultsMap);
+    }
+
+    inline bool shouldThrottle()
+    {
+        return (resultsMapSize > (ReduceQueueThrottleLimit * QThread::idealThreadCount()));
+    }
+
+    inline bool shouldStartThread()
+    {
+        return (resultsMapSize <= (ReduceQueueStartLimit * QThread::idealThreadCount()));
+    }
+};
+
+template <typename Sequence, typename Base, typename Functor1, typename Functor2>
+struct SequenceHolder2 : public Base
+{
+    SequenceHolder2(const Sequence &_sequence,
+                    Functor1 functor1,
+                    Functor2 functor2,
+                    ReduceOptions reduceOptions)
+        : Base(_sequence.begin(), _sequence.end(), functor1, functor2, reduceOptions),
+          sequence(_sequence)
+    { }
+
+    Sequence sequence;
+
+    void finish()
+    {
+        Base::finish();
+        // Clear the sequence to make sure all temporaries are destroyed
+        // before finished is signaled.
+        sequence = Sequence();
+    }
+};
+
+#endif //qdoc
+
+} // namespace QtConcurrent
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentresultstore.cpp b/src/corelib/concurrent/qtconcurrentresultstore.cpp
new file mode 100644
index 0000000000..87bb2a7d28
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentresultstore.cpp
@@ -0,0 +1,256 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtconcurrentresultstore.h"
+
+#ifndef QT_NO_QFUTURE
+
+QT_BEGIN_NAMESPACE
+
+namespace QtConcurrent {
+
+ResultIteratorBase::ResultIteratorBase()
+ : mapIterator(QMap<int, ResultItem>::const_iterator()), m_vectorIndex(0) { }
+ResultIteratorBase::ResultIteratorBase(QMap<int, ResultItem>::const_iterator _mapIterator, int _vectorIndex)
+ : mapIterator(_mapIterator), m_vectorIndex(_vectorIndex) { }
+
+int ResultIteratorBase::vectorIndex() const { return m_vectorIndex; }
+int ResultIteratorBase::resultIndex() const { return mapIterator.key() + m_vectorIndex; }
+
+ResultIteratorBase ResultIteratorBase::operator++()
+{
+    if (canIncrementVectorIndex()) {
+        ++m_vectorIndex;
+    } else {
+        ++mapIterator;
+        m_vectorIndex = 0;
+    }
+    return *this;
+}
+
+int ResultIteratorBase::batchSize() const
+{
+    return mapIterator.value().count();
+}
+
+void ResultIteratorBase::batchedAdvance()
+{
+    ++mapIterator;
+    m_vectorIndex = 0;
+}
+
+bool ResultIteratorBase::operator==(const ResultIteratorBase &other) const
+{
+    return (mapIterator == other.mapIterator && m_vectorIndex == other.m_vectorIndex);
+}
+
+bool ResultIteratorBase::operator!=(const ResultIteratorBase &other) const
+{
+    return !operator==(other);
+}
+
+bool ResultIteratorBase::isVector() const
+{
+    return mapIterator.value().isVector();
+}
+
+bool ResultIteratorBase::canIncrementVectorIndex() const
+{
+    return (m_vectorIndex + 1 < mapIterator.value().m_count);
+}
+
+ResultStoreBase::ResultStoreBase() 
+    : insertIndex(0), resultCount(0), m_filterMode(false), filteredResults(0) { }
+
+void ResultStoreBase::setFilterMode(bool enable)
+{
+    m_filterMode = enable;
+}
+
+bool ResultStoreBase::filterMode() const
+{
+    return m_filterMode;
+}
+
+void ResultStoreBase::syncResultCount()
+{
+    ResultIteratorBase it = resultAt(resultCount);
+    while (it != end()) {
+        resultCount += it.batchSize();
+        it = resultAt(resultCount);
+    }
+}
+
+void ResultStoreBase::insertResultItemIfValid(int index, ResultItem &resultItem)
+{
+    if (resultItem.isValid()) {
+        m_results[index] = resultItem;
+        syncResultCount();
+    } else {
+        filteredResults += resultItem.count();
+    }
+}
+
+int ResultStoreBase::insertResultItem(int index, ResultItem &resultItem)
+{
+    int storeIndex;
+    if (m_filterMode && index != -1 && index > insertIndex) {
+        pendingResults[index] = resultItem;
+        storeIndex = index;
+    } else {
+        storeIndex = updateInsertIndex(index, resultItem.count());
+        insertResultItemIfValid(storeIndex - filteredResults, resultItem);
+    }
+    syncPendingResults();
+    return storeIndex;
+}
+
+void ResultStoreBase::syncPendingResults()
+{
+    // check if we can insert any of the pending results:
+    QMap<int, ResultItem>::iterator it = pendingResults.begin();
+    while (it != pendingResults.end()) {
+        int index = it.key(); 
+        if (index != resultCount + filteredResults)
+            break;
+
+        ResultItem result = it.value();
+        insertResultItemIfValid(index - filteredResults, result);
+        pendingResults.erase(it);
+        it = pendingResults.begin();
+    }
+}
+
+int ResultStoreBase::addResult(int index, const void *result)
+{
+    ResultItem resultItem(result, 0); // 0 means "not a vector"
+    return insertResultItem(index, resultItem);
+}
+
+int ResultStoreBase::addResults(int index, const void *results, int vectorSize, int totalCount) 
+{
+    if (m_filterMode == false || vectorSize == totalCount) {
+        ResultItem resultItem(results, vectorSize);
+        return insertResultItem(index, resultItem);
+    } else {
+        if (vectorSize > 0) {
+            ResultItem filteredIn(results, vectorSize);
+            insertResultItem(index, filteredIn);
+        }
+        ResultItem filteredAway(0, totalCount - vectorSize);
+        return insertResultItem(index + vectorSize, filteredAway);
+    }
+}
+
+ResultIteratorBase ResultStoreBase::begin() const
+{
+    return ResultIteratorBase(m_results.begin());
+}
+
+ResultIteratorBase ResultStoreBase::end() const
+{
+    return ResultIteratorBase(m_results.end());
+}
+
+bool ResultStoreBase::hasNextResult() const
+{
+    return begin() != end();
+}
+
+ResultIteratorBase ResultStoreBase::resultAt(int index) const
+{
+    if (m_results.isEmpty())
+        return ResultIteratorBase(m_results.end());
+    QMap<int, ResultItem>::const_iterator it = m_results.lowerBound(index);
+
+    // lowerBound returns either an iterator to the result or an iterator
+    // to the nearest greater index. If the latter happens it might be
+    // that the result is stored in a vector at the previous index.
+    if (it == m_results.end()) {
+        --it;
+        if (it.value().isVector() == false) {
+            return ResultIteratorBase(m_results.end());
+        }
+    } else {
+        if (it.key() > index) {
+            if (it == m_results.begin())
+                return ResultIteratorBase(m_results.end());
+            --it;
+        }
+    }
+
+    const int vectorIndex = index - it.key();
+    
+    if (vectorIndex >= it.value().count())
+        return ResultIteratorBase(m_results.end());
+    else if (it.value().isVector() == false && vectorIndex != 0)
+        return ResultIteratorBase(m_results.end());
+    return ResultIteratorBase(it, vectorIndex);
+}
+
+bool ResultStoreBase::contains(int index) const
+{
+    return (resultAt(index) != end());
+}
+
+int ResultStoreBase::count() const
+{
+    return resultCount;
+}
+
+// returns the insert index, calling this funciton with
+// index equal to -1 returns the next available index.
+int ResultStoreBase::updateInsertIndex(int index, int _count)
+{
+    if (index == -1) {
+        index = insertIndex;
+        insertIndex += _count;
+    } else {
+        insertIndex = qMax(index + _count, insertIndex);
+    }
+    return index;
+}
+
+} // namespace QtConcurrent
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CONCURRENT
diff --git a/src/corelib/concurrent/qtconcurrentresultstore.h b/src/corelib/concurrent/qtconcurrentresultstore.h
new file mode 100644
index 0000000000..c39e921f73
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentresultstore.h
@@ -0,0 +1,239 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_RESULTSTORE_H
+#define QTCONCURRENT_RESULTSTORE_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_QFUTURE
+
+#include <QtCore/qmap.h>
+#include <QtCore/qdebug.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+/*
+    ResultStore stores indexed results. Results can be added and retrieved
+    either individually batched in a QVector. Retriveing results and checking
+    which indexes are in the store can be done either by iterating or by random
+    accees. In addition results kan be removed from the front of the store,
+    either individually or in batches.
+*/
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+
+class ResultItem
+{
+public:
+    ResultItem(const void *_result, int _count) : m_count(_count), result(_result) { } // contruct with vector of results
+    ResultItem(const void *_result) : m_count(0), result(_result) { } // construct with result
+    ResultItem() : m_count(0), result(0) { }
+    bool isValid() const { return result != 0; }
+    bool isVector() const { return m_count != 0; }
+    int count() const { return (m_count == 0) ?  1 : m_count; }
+    int m_count;          // result is either a pointer to a result or to a vector of results,
+    const void *result; // if count is 0 it's a result, otherwise it's a vector.
+};
+
+class Q_CORE_EXPORT ResultIteratorBase
+{
+public:
+    ResultIteratorBase();
+    ResultIteratorBase(QMap<int, ResultItem>::const_iterator _mapIterator, int _vectorIndex = 0);
+    int vectorIndex() const;
+    int resultIndex() const;
+
+    ResultIteratorBase operator++();
+    int batchSize() const;
+    void batchedAdvance();
+    bool operator==(const ResultIteratorBase &other) const;
+    bool operator!=(const ResultIteratorBase &other) const;
+    bool isVector() const;
+    bool canIncrementVectorIndex() const;
+protected:
+    QMap<int, ResultItem>::const_iterator mapIterator;
+    int m_vectorIndex;
+};
+
+template <typename T>
+class  ResultIterator : public ResultIteratorBase
+{
+public:
+    ResultIterator(const ResultIteratorBase &base)
+    : ResultIteratorBase(base) { }
+
+    const T &value() const
+    {
+        return *pointer();
+    }
+
+    const T *pointer() const
+    {
+        if (mapIterator.value().isVector())
+            return &(reinterpret_cast<const QVector<T> *>(mapIterator.value().result)->at(m_vectorIndex));
+        else
+            return reinterpret_cast<const T *>(mapIterator.value().result);
+    }
+};
+
+class Q_CORE_EXPORT ResultStoreBase
+{
+public:
+    ResultStoreBase();
+    void setFilterMode(bool enable);
+    bool filterMode() const;
+    int addResult(int index, const void *result);
+    int addResults(int index, const void *results, int vectorSize, int logicalCount);
+    ResultIteratorBase begin() const;
+    ResultIteratorBase end() const;
+    bool hasNextResult() const;
+    ResultIteratorBase resultAt(int index) const;
+    bool contains(int index) const;
+    int count() const;
+    virtual ~ResultStoreBase() { };
+
+protected:
+    int insertResultItem(int index, ResultItem &resultItem);
+    void insertResultItemIfValid(int index, ResultItem &resultItem);
+    void syncPendingResults();
+    void syncResultCount();
+    int updateInsertIndex(int index, int _count);
+
+    QMap<int, ResultItem> m_results;
+    int insertIndex;     // The index where the next results(s) will be inserted.
+    int resultCount;     // The number of consecutive results stored, starting at index 0.
+
+    bool m_filterMode;
+    QMap<int, ResultItem> pendingResults;
+    int filteredResults;
+    
+};
+
+template <typename T>
+class ResultStore : public ResultStoreBase
+{
+public:
+    ResultStore() { }
+
+    ResultStore(const ResultStoreBase &base)
+    : ResultStoreBase(base) { }
+
+    int addResult(int index, const T  *result)
+    {
+        if (result == 0)
+            return ResultStoreBase::addResult(index, result);
+        else
+            return ResultStoreBase::addResult(index, new T(*result));
+    }
+
+    int addResults(int index, const QVector<T> *results)
+    {
+        return ResultStoreBase::addResults(index, new QVector<T>(*results), results->count(), results->count());
+    }
+
+    int addResults(int index, const QVector<T> *results, int totalCount)
+    {
+        return ResultStoreBase::addResults(index, new QVector<T>(*results), results->count(), totalCount);
+    }
+
+    int addCanceledResult(int index)
+    {
+        return addResult(index, 0);
+    }
+
+    int addCanceledResults(int index, int _count)
+    {
+        QVector<T> empty;
+        return addResults(index, &empty, _count);
+    }
+
+    ResultIterator<T> begin() const
+    {
+        return static_cast<ResultIterator<T> >(ResultStoreBase::begin());
+    }
+
+    ResultIterator<T> end() const
+    {
+        return static_cast<ResultIterator<T> >(ResultStoreBase::end());
+    }
+
+    ResultIterator<T> resultAt(int index) const
+    {
+        return static_cast<ResultIterator<T> >(ResultStoreBase::resultAt(index));
+    }
+
+    void clear()
+    {
+        QMap<int, ResultItem>::const_iterator mapIterator = m_results.constBegin();
+        while (mapIterator != m_results.constEnd()) {
+            if (mapIterator.value().isVector())
+                delete reinterpret_cast<const QVector<T> *>(mapIterator.value().result);
+            else
+                delete reinterpret_cast<const T *>(mapIterator.value().result);
+            ++mapIterator;
+        }
+        resultCount = 0;
+        m_results.clear();
+    }
+
+    ~ResultStore()
+    {
+        clear();
+    }
+
+};
+
+} // namespace QtConcurrent
+
+#endif //qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentrun.cpp b/src/corelib/concurrent/qtconcurrentrun.cpp
new file mode 100644
index 0000000000..068a91334f
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentrun.cpp
@@ -0,0 +1,150 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \headerfile <QtConcurrentRun>
+    \title Asynchronous Run
+    
+    \brief The <QtConcurrentRun> header provides a way to run a function in a
+    separate thread.
+    
+    This function is a part of the \l {threads.html#qtconcurrent-intro}{Qt Concurrent} framework.
+
+    The QtConcurrent::run() function runs a function in a separate thread.
+    The return value of the function is made available through the QFuture API.
+    
+    \section1 Running a Function in a Separate Thread
+    
+    To run a function in another thread, use QtConcurrent::run():
+    
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentrun.cpp 0
+    
+    This will run \e aFunction in a separate thread obtained from the default
+    QThreadPool. You can use the QFuture and QFutureWatcher classes to monitor
+    the status of the function.
+    
+    \section1 Passing Arguments to the Function
+
+    Passing arguments to the function is done by adding them to the
+    QtConcurrent::run() call immediately after the function name. For example:
+    
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentrun.cpp 1
+    
+    A copy of each argument is made at the point where QtConcurrent::run() is
+    called, and these values are passed to the thread when it begins executing
+    the function. Changes made to the arguments after calling
+    QtConcurrent::run() are \e not visible to the thread.
+    
+    \section1 Returning Values from the Function
+    
+    Any return value from the function is available via QFuture:
+    
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentrun.cpp 2
+    
+    As documented above, passing arguments is done like this:
+    
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentrun.cpp 3
+    
+    Note that the QFuture::result() function blocks and waits for the result
+    to become available. Use QFutureWatcher to get notification when the
+    function has finished execution and the result is available.
+    
+    \section1 Additional API Features
+    
+    \section2 Using Member Functions
+    
+    QtConcurrent::run() also accepts pointers to member functions. The first
+    argument must be either a const reference or a pointer to an instance of
+    the class. Passing by const reference is useful when calling const member
+    functions; passing by pointer is useful for calling non-const member
+    functions that modify the instance.
+    
+    For example, calling QString::split() (a const member function) in a
+    separate thread is done like this:
+    
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentrun.cpp 4
+    
+    Calling a non-const member function is done like this:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentrun.cpp 5
+
+    \section2 Using Bound Function Arguments
+
+    Note that Qt does not provide support for bound functions. This is
+    provided by 3rd party libraries like
+    \l{http://www.boost.org/libs/bind/bind.html}{Boost} or
+    \l{http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1836.pdf}
+    {C++ TR1 Library Extensions}.
+    
+    You can use boost::bind() or std::tr1::bind() to \e bind a number of
+    arguments to a function when called. There are number of reasons for doing
+    this:
+    
+    \list
+    \o To call a function that takes more than 5 arguments.
+    \o To simplify calling a function with constant arguments.
+    \o Changing the order of arguments.
+    \endlist
+    
+    See the documentation for the relevant functions for details on how to use
+    the bind API.
+
+    Calling a bound function is done like this:
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qtconcurrentrun.cpp 6
+*/
+
+/*!
+    \fn QFuture<T> QtConcurrent::run(Function function, ...);
+    \relates <QtConcurrentRun>
+    
+    Runs \a function in a separate thread. The thread is taken from the global
+    QThreadPool. Note that the function may not run immediately; the function
+    will only be run when a thread is available.
+    
+    T is the same type as the return value of \a function. Non-void return
+    values can be accessed via the QFuture::result() function.
+    
+    Note that the QFuture returned by QtConcurrent::run() does not support
+    canceling, pausing, or progress reporting. The QFuture returned can only
+    be used to query for the running/finished status and the return value of
+    the function.
+*/
diff --git a/src/corelib/concurrent/qtconcurrentrun.h b/src/corelib/concurrent/qtconcurrentrun.h
new file mode 100644
index 0000000000..00938fadbf
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentrun.h
@@ -0,0 +1,297 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// Generated code, do not edit! Use generator at tools/qtconcurrent/generaterun/
+#ifndef QTCONCURRENT_RUN_H
+#define QTCONCURRENT_RUN_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qtconcurrentrunbase.h>
+#include <QtCore/qtconcurrentstoredfunctioncall.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifdef qdoc
+
+namespace QtConcurrent {
+
+    template <typename T>
+    QFuture<T> run(Function function, ...);
+
+} // namespace QtConcurrent
+
+#else
+
+namespace QtConcurrent {
+
+template <typename T>
+QFuture<T> run(T (*functionPointer)())
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall0<T, T (*)()>::type(functionPointer))->start();
+}
+template <typename T, typename Param1, typename Arg1>
+QFuture<T> run(T (*functionPointer)(Param1), const Arg1 &arg1)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall1<T, T (*)(Param1), Arg1>::type(functionPointer, arg1))->start();
+}
+template <typename T, typename Param1, typename Arg1, typename Param2, typename Arg2>
+QFuture<T> run(T (*functionPointer)(Param1, Param2), const Arg1 &arg1, const Arg2 &arg2)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall2<T, T (*)(Param1, Param2), Arg1, Arg2>::type(functionPointer, arg1, arg2))->start();
+}
+template <typename T, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+QFuture<T> run(T (*functionPointer)(Param1, Param2, Param3), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall3<T, T (*)(Param1, Param2, Param3), Arg1, Arg2, Arg3>::type(functionPointer, arg1, arg2, arg3))->start();
+}
+template <typename T, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+QFuture<T> run(T (*functionPointer)(Param1, Param2, Param3, Param4), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall4<T, T (*)(Param1, Param2, Param3, Param4), Arg1, Arg2, Arg3, Arg4>::type(functionPointer, arg1, arg2, arg3, arg4))->start();
+}
+template <typename T, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+QFuture<T> run(T (*functionPointer)(Param1, Param2, Param3, Param4, Param5), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4, const Arg5 &arg5)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall5<T, T (*)(Param1, Param2, Param3, Param4, Param5), Arg1, Arg2, Arg3, Arg4, Arg5>::type(functionPointer, arg1, arg2, arg3, arg4, arg5))->start();
+}
+
+template <typename FunctionObject>
+QFuture<typename FunctionObject::result_type> run(FunctionObject functionObject)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall0<QT_TYPENAME FunctionObject::result_type, FunctionObject>::type(functionObject))->start();
+}
+template <typename FunctionObject, typename Arg1>
+QFuture<typename FunctionObject::result_type> run(FunctionObject functionObject, const Arg1 &arg1)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall1<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1>::type(functionObject, arg1))->start();
+}
+template <typename FunctionObject, typename Arg1, typename Arg2>
+QFuture<typename FunctionObject::result_type> run(FunctionObject functionObject, const Arg1 &arg1, const Arg2 &arg2)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall2<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1, Arg2>::type(functionObject, arg1, arg2))->start();
+}
+template <typename FunctionObject, typename Arg1, typename Arg2, typename Arg3>
+QFuture<typename FunctionObject::result_type> run(FunctionObject functionObject, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall3<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1, Arg2, Arg3>::type(functionObject, arg1, arg2, arg3))->start();
+}
+template <typename FunctionObject, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+QFuture<typename FunctionObject::result_type> run(FunctionObject functionObject, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall4<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1, Arg2, Arg3, Arg4>::type(functionObject, arg1, arg2, arg3, arg4))->start();
+}
+template <typename FunctionObject, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
+QFuture<typename FunctionObject::result_type> run(FunctionObject functionObject, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4, const Arg5 &arg5)
+{
+    return (new QT_TYPENAME SelectStoredFunctorCall5<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1, Arg2, Arg3, Arg4, Arg5>::type(functionObject, arg1, arg2, arg3, arg4, arg5))->start();
+}
+
+template <typename FunctionObject>
+QFuture<typename FunctionObject::result_type> run(FunctionObject *functionObject)
+{
+    return (new QT_TYPENAME SelectStoredFunctorPointerCall0<QT_TYPENAME FunctionObject::result_type, FunctionObject>::type(functionObject))->start();
+}
+template <typename FunctionObject, typename Arg1>
+QFuture<typename FunctionObject::result_type> run(FunctionObject *functionObject, const Arg1 &arg1)
+{
+    return (new QT_TYPENAME SelectStoredFunctorPointerCall1<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1>::type(functionObject, arg1))->start();
+}
+template <typename FunctionObject, typename Arg1, typename Arg2>
+QFuture<typename FunctionObject::result_type> run(FunctionObject *functionObject, const Arg1 &arg1, const Arg2 &arg2)
+{
+    return (new QT_TYPENAME SelectStoredFunctorPointerCall2<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1, Arg2>::type(functionObject, arg1, arg2))->start();
+}
+template <typename FunctionObject, typename Arg1, typename Arg2, typename Arg3>
+QFuture<typename FunctionObject::result_type> run(FunctionObject *functionObject, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3)
+{
+    return (new QT_TYPENAME SelectStoredFunctorPointerCall3<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1, Arg2, Arg3>::type(functionObject, arg1, arg2, arg3))->start();
+}
+template <typename FunctionObject, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+QFuture<typename FunctionObject::result_type> run(FunctionObject *functionObject, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4)
+{
+    return (new QT_TYPENAME SelectStoredFunctorPointerCall4<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1, Arg2, Arg3, Arg4>::type(functionObject, arg1, arg2, arg3, arg4))->start();
+}
+template <typename FunctionObject, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
+QFuture<typename FunctionObject::result_type> run(FunctionObject *functionObject, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4, const Arg5 &arg5)
+{
+    return (new QT_TYPENAME SelectStoredFunctorPointerCall5<QT_TYPENAME FunctionObject::result_type, FunctionObject, Arg1, Arg2, Arg3, Arg4, Arg5>::type(functionObject, arg1, arg2, arg3, arg4, arg5))->start();
+}
+
+template <typename T, typename Class>
+QFuture<T> run(const Class &object, T (Class::*fn)())
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionCall0<T, Class>::type(fn, object))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1), const Arg1 &arg1)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionCall1<T, Class, Param1, Arg1>::type(fn, object, arg1))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1, Param2), const Arg1 &arg1, const Arg2 &arg2)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionCall2<T, Class, Param1, Arg1, Param2, Arg2>::type(fn, object, arg1, arg2))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1, Param2, Param3), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionCall3<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3>::type(fn, object, arg1, arg2, arg3))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1, Param2, Param3, Param4), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionCall4<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4>::type(fn, object, arg1, arg2, arg3, arg4))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1, Param2, Param3, Param4, Param5), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4, const Arg5 &arg5)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionCall5<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5>::type(fn, object, arg1, arg2, arg3, arg4, arg5))->start();
+}
+
+template <typename T, typename Class>
+QFuture<T> run(const Class &object, T (Class::*fn)() const)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionCall0<T, Class>::type(fn, object))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1) const, const Arg1 &arg1)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionCall1<T, Class, Param1, Arg1>::type(fn, object, arg1))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1, Param2) const, const Arg1 &arg1, const Arg2 &arg2)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionCall2<T, Class, Param1, Arg1, Param2, Arg2>::type(fn, object, arg1, arg2))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1, Param2, Param3) const, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionCall3<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3>::type(fn, object, arg1, arg2, arg3))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1, Param2, Param3, Param4) const, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionCall4<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4>::type(fn, object, arg1, arg2, arg3, arg4))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+QFuture<T> run(const Class &object, T (Class::*fn)(Param1, Param2, Param3, Param4, Param5) const, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4, const Arg5 &arg5)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionCall5<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5>::type(fn, object, arg1, arg2, arg3, arg4, arg5))->start();
+}
+
+template <typename T, typename Class>
+QFuture<T> run(Class *object, T (Class::*fn)())
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionPointerCall0<T, Class>::type(fn, object))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1>
+QFuture<T> run(Class *object, T (Class::*fn)(Param1), const Arg1 &arg1)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionPointerCall1<T, Class, Param1, Arg1>::type(fn, object, arg1))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+QFuture<T> run(Class *object, T (Class::*fn)(Param1, Param2), const Arg1 &arg1, const Arg2 &arg2)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionPointerCall2<T, Class, Param1, Arg1, Param2, Arg2>::type(fn, object, arg1, arg2))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+QFuture<T> run(Class *object, T (Class::*fn)(Param1, Param2, Param3), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionPointerCall3<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3>::type(fn, object, arg1, arg2, arg3))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+QFuture<T> run(Class *object, T (Class::*fn)(Param1, Param2, Param3, Param4), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionPointerCall4<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4>::type(fn, object, arg1, arg2, arg3, arg4))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+QFuture<T> run(Class *object, T (Class::*fn)(Param1, Param2, Param3, Param4, Param5), const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4, const Arg5 &arg5)
+{
+    return (new QT_TYPENAME SelectStoredMemberFunctionPointerCall5<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5>::type(fn, object, arg1, arg2, arg3, arg4, arg5))->start();
+}
+
+template <typename T, typename Class>
+QFuture<T> run(const Class *object, T (Class::*fn)() const)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionPointerCall0<T, Class>::type(fn, object))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1>
+QFuture<T> run(const Class *object, T (Class::*fn)(Param1) const, const Arg1 &arg1)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionPointerCall1<T, Class, Param1, Arg1>::type(fn, object, arg1))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+QFuture<T> run(const Class *object, T (Class::*fn)(Param1, Param2) const, const Arg1 &arg1, const Arg2 &arg2)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionPointerCall2<T, Class, Param1, Arg1, Param2, Arg2>::type(fn, object, arg1, arg2))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+QFuture<T> run(const Class *object, T (Class::*fn)(Param1, Param2, Param3) const, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionPointerCall3<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3>::type(fn, object, arg1, arg2, arg3))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+QFuture<T> run(const Class *object, T (Class::*fn)(Param1, Param2, Param3, Param4) const, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionPointerCall4<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4>::type(fn, object, arg1, arg2, arg3, arg4))->start();
+}
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+QFuture<T> run(const Class *object, T (Class::*fn)(Param1, Param2, Param3, Param4, Param5) const, const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3, const Arg4 &arg4, const Arg5 &arg5)
+{
+    return (new QT_TYPENAME SelectStoredConstMemberFunctionPointerCall5<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5>::type(fn, object, arg1, arg2, arg3, arg4, arg5))->start();
+}
+
+} //namespace QtConcurrent
+
+#endif // qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentrunbase.h b/src/corelib/concurrent/qtconcurrentrunbase.h
new file mode 100644
index 0000000000..51f5aa1740
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentrunbase.h
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_RUNBASE_H
+#define QTCONCURRENT_RUNBASE_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qfuture.h>
+#include <QtCore/qrunnable.h>
+#include <QtCore/qthreadpool.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+
+template <typename T>
+struct SelectSpecialization
+{
+    template <class Normal, class Void>
+    struct Type { typedef Normal type; };
+};
+
+template <>
+struct SelectSpecialization<void>
+{
+    template <class Normal, class Void>
+    struct Type { typedef Void type; };
+};
+
+template <typename T>
+class RunFunctionTaskBase : public QFutureInterface<T> , public QRunnable
+{
+public:
+    QFuture<T> start()
+    {
+        this->setRunnable(this);
+        this->reportStarted();
+        QFuture<T> future = this->future();
+        QThreadPool::globalInstance()->start(this, /*m_priority*/ 0);
+        return future;
+    }
+
+    void run() {}
+    virtual void runFunctor() = 0;
+};
+
+template <typename T>
+class RunFunctionTask : public RunFunctionTaskBase<T>
+{
+public:
+    void run()
+    {
+        if (this->isCanceled()) {
+            this->reportFinished();
+            return;
+        }
+        this->runFunctor();
+        this->reportResult(result);
+        this->reportFinished();
+    }
+    T result;
+};
+
+template <>
+class RunFunctionTask<void> : public RunFunctionTaskBase<void>
+{
+public:
+    void run()
+    {
+        if (this->isCanceled()) {
+            this->reportFinished();
+            return;
+        }
+        this->runFunctor();
+        this->reportFinished();
+    }
+};
+
+} //namespace QtConcurrent
+
+#endif //qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentstoredfunctioncall.h b/src/corelib/concurrent/qtconcurrentstoredfunctioncall.h
new file mode 100644
index 0000000000..c7aeb9da95
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentstoredfunctioncall.h
@@ -0,0 +1,1328 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// Generated code, do not edit! Use generator at tools/qtconcurrent/generaterun/
+#ifndef QTCONCURRENT_STOREDFUNCTIONCALL_H
+#define QTCONCURRENT_STOREDFUNCTIONCALL_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+#include <QtCore/qtconcurrentrunbase.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+template <typename T, typename FunctionPointer>
+struct StoredFunctorCall0: public RunFunctionTask<T>
+{
+    inline StoredFunctorCall0(FunctionPointer _function)
+      : function(_function) {}
+    void runFunctor() { this->result = function(); }
+    FunctionPointer function;
+
+};
+
+template <typename T, typename FunctionPointer>
+struct VoidStoredFunctorCall0: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorCall0(FunctionPointer _function)
+      : function(_function) {}
+    void runFunctor() { function(); }
+    FunctionPointer function;
+
+};
+
+template <typename T, typename FunctionPointer>
+struct SelectStoredFunctorCall0
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorCall0    <T, FunctionPointer>,
+             VoidStoredFunctorCall0<T, FunctionPointer> >::type type;
+};
+template <typename T, typename FunctionPointer>
+struct StoredFunctorPointerCall0: public RunFunctionTask<T>
+{
+    inline StoredFunctorPointerCall0(FunctionPointer * _function)
+      : function(_function) {}
+    void runFunctor() { this->result =(*function)(); }
+    FunctionPointer * function;
+
+};
+
+template <typename T, typename FunctionPointer>
+struct VoidStoredFunctorPointerCall0: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorPointerCall0(FunctionPointer * _function)
+      : function(_function) {}
+    void runFunctor() {(*function)(); }
+    FunctionPointer * function;
+
+};
+
+template <typename T, typename FunctionPointer>
+struct SelectStoredFunctorPointerCall0
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorPointerCall0    <T, FunctionPointer>,
+             VoidStoredFunctorPointerCall0<T, FunctionPointer> >::type type;
+};
+template <typename T, typename Class>
+class StoredMemberFunctionCall0 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionCall0(T (Class::*_fn)() , const Class &_object)
+    : fn(_fn), object(_object){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)();
+    }
+private:
+    T (Class::*fn)();
+    Class object;
+
+};
+template <typename T, typename Class>
+class VoidStoredMemberFunctionCall0 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionCall0(T (Class::*_fn)() , const Class &_object)
+    : fn(_fn), object(_object){ }
+
+    void runFunctor()
+    {
+        (object.*fn)();
+    }
+private:
+    T (Class::*fn)();
+    Class object;
+
+};
+template <typename T, typename Class>
+struct SelectStoredMemberFunctionCall0
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionCall0    <T, Class>,
+             VoidStoredMemberFunctionCall0<T, Class> >::type type;
+};
+template <typename T, typename Class>
+class StoredConstMemberFunctionCall0 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionCall0(T (Class::*_fn)() const, const Class &_object)
+    : fn(_fn), object(_object){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)();
+    }
+private:
+    T (Class::*fn)()const;
+    const Class object;
+
+};
+template <typename T, typename Class>
+class VoidStoredConstMemberFunctionCall0 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionCall0(T (Class::*_fn)() const, const Class &_object)
+    : fn(_fn), object(_object){ }
+
+    void runFunctor()
+    {
+        (object.*fn)();
+    }
+private:
+    T (Class::*fn)()const;
+    const Class object;
+
+};
+template <typename T, typename Class>
+struct SelectStoredConstMemberFunctionCall0
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionCall0    <T, Class>,
+             VoidStoredConstMemberFunctionCall0<T, Class> >::type type;
+};
+template <typename T, typename Class>
+class StoredMemberFunctionPointerCall0 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionPointerCall0(T (Class::*_fn)() , Class *_object)
+    : fn(_fn), object(_object){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)();
+    }
+private:
+    T (Class::*fn)();
+    Class *object;
+
+};
+template <typename T, typename Class>
+class VoidStoredMemberFunctionPointerCall0 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionPointerCall0(T (Class::*_fn)() , Class *_object)
+    : fn(_fn), object(_object){ }
+
+    void runFunctor()
+    {
+        (object->*fn)();
+    }
+private:
+    T (Class::*fn)();
+    Class *object;
+
+};
+template <typename T, typename Class>
+struct SelectStoredMemberFunctionPointerCall0
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionPointerCall0    <T, Class>,
+             VoidStoredMemberFunctionPointerCall0<T, Class> >::type type;
+};
+template <typename T, typename Class>
+class StoredConstMemberFunctionPointerCall0 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionPointerCall0(T (Class::*_fn)() const, Class const *_object)
+    : fn(_fn), object(_object){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)();
+    }
+private:
+    T (Class::*fn)()const;
+    Class const *object;
+
+};
+template <typename T, typename Class>
+class VoidStoredConstMemberFunctionPointerCall0 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionPointerCall0(T (Class::*_fn)() const, Class const *_object)
+    : fn(_fn), object(_object){ }
+
+    void runFunctor()
+    {
+        (object->*fn)();
+    }
+private:
+    T (Class::*fn)()const;
+    Class const *object;
+
+};
+template <typename T, typename Class>
+struct SelectStoredConstMemberFunctionPointerCall0
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionPointerCall0    <T, Class>,
+             VoidStoredConstMemberFunctionPointerCall0<T, Class> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1>
+struct StoredFunctorCall1: public RunFunctionTask<T>
+{
+    inline StoredFunctorCall1(FunctionPointer _function, const Arg1 &_arg1)
+      : function(_function), arg1(_arg1) {}
+    void runFunctor() { this->result = function(arg1); }
+    FunctionPointer function;
+    Arg1 arg1;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1>
+struct VoidStoredFunctorCall1: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorCall1(FunctionPointer _function, const Arg1 &_arg1)
+      : function(_function), arg1(_arg1) {}
+    void runFunctor() { function(arg1); }
+    FunctionPointer function;
+    Arg1 arg1;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1>
+struct SelectStoredFunctorCall1
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorCall1    <T, FunctionPointer, Arg1>,
+             VoidStoredFunctorCall1<T, FunctionPointer, Arg1> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1>
+struct StoredFunctorPointerCall1: public RunFunctionTask<T>
+{
+    inline StoredFunctorPointerCall1(FunctionPointer * _function, const Arg1 &_arg1)
+      : function(_function), arg1(_arg1) {}
+    void runFunctor() { this->result =(*function)(arg1); }
+    FunctionPointer * function;
+    Arg1 arg1;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1>
+struct VoidStoredFunctorPointerCall1: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorPointerCall1(FunctionPointer * _function, const Arg1 &_arg1)
+      : function(_function), arg1(_arg1) {}
+    void runFunctor() {(*function)(arg1); }
+    FunctionPointer * function;
+    Arg1 arg1;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1>
+struct SelectStoredFunctorPointerCall1
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorPointerCall1    <T, FunctionPointer, Arg1>,
+             VoidStoredFunctorPointerCall1<T, FunctionPointer, Arg1> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+class StoredMemberFunctionCall1 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionCall1(T (Class::*_fn)(Param1) , const Class &_object, const Arg1 &_arg1)
+    : fn(_fn), object(_object), arg1(_arg1){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1);
+    }
+private:
+    T (Class::*fn)(Param1);
+    Class object;
+    Arg1 arg1;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+class VoidStoredMemberFunctionCall1 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionCall1(T (Class::*_fn)(Param1) , const Class &_object, const Arg1 &_arg1)
+    : fn(_fn), object(_object), arg1(_arg1){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1);
+    }
+private:
+    T (Class::*fn)(Param1);
+    Class object;
+    Arg1 arg1;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+struct SelectStoredMemberFunctionCall1
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionCall1    <T, Class, Param1, Arg1>,
+             VoidStoredMemberFunctionCall1<T, Class, Param1, Arg1> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+class StoredConstMemberFunctionCall1 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionCall1(T (Class::*_fn)(Param1) const, const Class &_object, const Arg1 &_arg1)
+    : fn(_fn), object(_object), arg1(_arg1){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1);
+    }
+private:
+    T (Class::*fn)(Param1)const;
+    const Class object;
+    Arg1 arg1;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+class VoidStoredConstMemberFunctionCall1 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionCall1(T (Class::*_fn)(Param1) const, const Class &_object, const Arg1 &_arg1)
+    : fn(_fn), object(_object), arg1(_arg1){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1);
+    }
+private:
+    T (Class::*fn)(Param1)const;
+    const Class object;
+    Arg1 arg1;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+struct SelectStoredConstMemberFunctionCall1
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionCall1    <T, Class, Param1, Arg1>,
+             VoidStoredConstMemberFunctionCall1<T, Class, Param1, Arg1> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+class StoredMemberFunctionPointerCall1 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionPointerCall1(T (Class::*_fn)(Param1) , Class *_object, const Arg1 &_arg1)
+    : fn(_fn), object(_object), arg1(_arg1){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1);
+    }
+private:
+    T (Class::*fn)(Param1);
+    Class *object;
+    Arg1 arg1;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+class VoidStoredMemberFunctionPointerCall1 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionPointerCall1(T (Class::*_fn)(Param1) , Class *_object, const Arg1 &_arg1)
+    : fn(_fn), object(_object), arg1(_arg1){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1);
+    }
+private:
+    T (Class::*fn)(Param1);
+    Class *object;
+    Arg1 arg1;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+struct SelectStoredMemberFunctionPointerCall1
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionPointerCall1    <T, Class, Param1, Arg1>,
+             VoidStoredMemberFunctionPointerCall1<T, Class, Param1, Arg1> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+class StoredConstMemberFunctionPointerCall1 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionPointerCall1(T (Class::*_fn)(Param1) const, Class const *_object, const Arg1 &_arg1)
+    : fn(_fn), object(_object), arg1(_arg1){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1);
+    }
+private:
+    T (Class::*fn)(Param1)const;
+    Class const *object;
+    Arg1 arg1;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+class VoidStoredConstMemberFunctionPointerCall1 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionPointerCall1(T (Class::*_fn)(Param1) const, Class const *_object, const Arg1 &_arg1)
+    : fn(_fn), object(_object), arg1(_arg1){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1);
+    }
+private:
+    T (Class::*fn)(Param1)const;
+    Class const *object;
+    Arg1 arg1;
+};
+template <typename T, typename Class, typename Param1, typename Arg1>
+struct SelectStoredConstMemberFunctionPointerCall1
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionPointerCall1    <T, Class, Param1, Arg1>,
+             VoidStoredConstMemberFunctionPointerCall1<T, Class, Param1, Arg1> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2>
+struct StoredFunctorCall2: public RunFunctionTask<T>
+{
+    inline StoredFunctorCall2(FunctionPointer _function, const Arg1 &_arg1, const Arg2 &_arg2)
+      : function(_function), arg1(_arg1), arg2(_arg2) {}
+    void runFunctor() { this->result = function(arg1, arg2); }
+    FunctionPointer function;
+    Arg1 arg1; Arg2 arg2;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2>
+struct VoidStoredFunctorCall2: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorCall2(FunctionPointer _function, const Arg1 &_arg1, const Arg2 &_arg2)
+      : function(_function), arg1(_arg1), arg2(_arg2) {}
+    void runFunctor() { function(arg1, arg2); }
+    FunctionPointer function;
+    Arg1 arg1; Arg2 arg2;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2>
+struct SelectStoredFunctorCall2
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorCall2    <T, FunctionPointer, Arg1, Arg2>,
+             VoidStoredFunctorCall2<T, FunctionPointer, Arg1, Arg2> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2>
+struct StoredFunctorPointerCall2: public RunFunctionTask<T>
+{
+    inline StoredFunctorPointerCall2(FunctionPointer * _function, const Arg1 &_arg1, const Arg2 &_arg2)
+      : function(_function), arg1(_arg1), arg2(_arg2) {}
+    void runFunctor() { this->result =(*function)(arg1, arg2); }
+    FunctionPointer * function;
+    Arg1 arg1; Arg2 arg2;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2>
+struct VoidStoredFunctorPointerCall2: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorPointerCall2(FunctionPointer * _function, const Arg1 &_arg1, const Arg2 &_arg2)
+    : function(_function), arg1(_arg1), arg2(_arg2) {}
+    void runFunctor() {(*function)(arg1, arg2); }
+    FunctionPointer * function;
+    Arg1 arg1; Arg2 arg2;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2>
+struct SelectStoredFunctorPointerCall2
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorPointerCall2    <T, FunctionPointer, Arg1, Arg2>,
+             VoidStoredFunctorPointerCall2<T, FunctionPointer, Arg1, Arg2> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+class StoredMemberFunctionCall2 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionCall2(T (Class::*_fn)(Param1, Param2) , const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1, arg2);
+    }
+private:
+    T (Class::*fn)(Param1, Param2);
+    Class object;
+    Arg1 arg1; Arg2 arg2;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+class VoidStoredMemberFunctionCall2 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionCall2(T (Class::*_fn)(Param1, Param2) , const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1, arg2);
+    }
+private:
+    T (Class::*fn)(Param1, Param2);
+    Class object;
+    Arg1 arg1; Arg2 arg2;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+struct SelectStoredMemberFunctionCall2
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionCall2    <T, Class, Param1, Arg1, Param2, Arg2>,
+             VoidStoredMemberFunctionCall2<T, Class, Param1, Arg1, Param2, Arg2> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+class StoredConstMemberFunctionCall2 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionCall2(T (Class::*_fn)(Param1, Param2) const, const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1, arg2);
+    }
+private:
+    T (Class::*fn)(Param1, Param2)const;
+    const Class object;
+    Arg1 arg1; Arg2 arg2;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+class VoidStoredConstMemberFunctionCall2 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionCall2(T (Class::*_fn)(Param1, Param2) const, const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1, arg2);
+    }
+private:
+    T (Class::*fn)(Param1, Param2)const;
+    const Class object;
+    Arg1 arg1; Arg2 arg2;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+struct SelectStoredConstMemberFunctionCall2
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionCall2    <T, Class, Param1, Arg1, Param2, Arg2>,
+             VoidStoredConstMemberFunctionCall2<T, Class, Param1, Arg1, Param2, Arg2> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+class StoredMemberFunctionPointerCall2 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionPointerCall2(T (Class::*_fn)(Param1, Param2) , Class *_object, const Arg1 &_arg1, const Arg2 &_arg2)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1, arg2);
+    }
+private:
+    T (Class::*fn)(Param1, Param2);
+    Class *object;
+    Arg1 arg1; Arg2 arg2;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+class VoidStoredMemberFunctionPointerCall2 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionPointerCall2(T (Class::*_fn)(Param1, Param2) , Class *_object, const Arg1 &_arg1, const Arg2 &_arg2)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1, arg2);
+    }
+private:
+    T (Class::*fn)(Param1, Param2);
+    Class *object;
+    Arg1 arg1; Arg2 arg2;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+struct SelectStoredMemberFunctionPointerCall2
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionPointerCall2    <T, Class, Param1, Arg1, Param2, Arg2>,
+             VoidStoredMemberFunctionPointerCall2<T, Class, Param1, Arg1, Param2, Arg2> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+class StoredConstMemberFunctionPointerCall2 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionPointerCall2(T (Class::*_fn)(Param1, Param2) const, Class const *_object, const Arg1 &_arg1, const Arg2 &_arg2)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1, arg2);
+    }
+private:
+    T (Class::*fn)(Param1, Param2)const;
+    Class const *object;
+    Arg1 arg1; Arg2 arg2;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+class VoidStoredConstMemberFunctionPointerCall2 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionPointerCall2(T (Class::*_fn)(Param1, Param2) const, Class const *_object, const Arg1 &_arg1, const Arg2 &_arg2)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1, arg2);
+    }
+private:
+    T (Class::*fn)(Param1, Param2)const;
+    Class const *object;
+    Arg1 arg1; Arg2 arg2;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2>
+struct SelectStoredConstMemberFunctionPointerCall2
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionPointerCall2    <T, Class, Param1, Arg1, Param2, Arg2>,
+             VoidStoredConstMemberFunctionPointerCall2<T, Class, Param1, Arg1, Param2, Arg2> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3>
+struct StoredFunctorCall3: public RunFunctionTask<T>
+{
+    inline StoredFunctorCall3(FunctionPointer _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3) {}
+    void runFunctor() { this->result = function(arg1, arg2, arg3); }
+    FunctionPointer function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3>
+struct VoidStoredFunctorCall3: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorCall3(FunctionPointer _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3) {}
+    void runFunctor() { function(arg1, arg2, arg3); }
+    FunctionPointer function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3>
+struct SelectStoredFunctorCall3
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorCall3    <T, FunctionPointer, Arg1, Arg2, Arg3>,
+             VoidStoredFunctorCall3<T, FunctionPointer, Arg1, Arg2, Arg3> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3>
+struct StoredFunctorPointerCall3: public RunFunctionTask<T>
+{
+    inline StoredFunctorPointerCall3(FunctionPointer * _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3) {}
+    void runFunctor() { this->result =(*function)(arg1, arg2, arg3); }
+    FunctionPointer * function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3>
+struct VoidStoredFunctorPointerCall3: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorPointerCall3(FunctionPointer * _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3) {}
+    void runFunctor() {(*function)(arg1, arg2, arg3); }
+    FunctionPointer * function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3>
+struct SelectStoredFunctorPointerCall3
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorPointerCall3    <T, FunctionPointer, Arg1, Arg2, Arg3>,
+             VoidStoredFunctorPointerCall3<T, FunctionPointer, Arg1, Arg2, Arg3> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+class StoredMemberFunctionCall3 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionCall3(T (Class::*_fn)(Param1, Param2, Param3) , const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1, arg2, arg3);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3);
+    Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+class VoidStoredMemberFunctionCall3 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionCall3(T (Class::*_fn)(Param1, Param2, Param3) , const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1, arg2, arg3);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3);
+    Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+struct SelectStoredMemberFunctionCall3
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionCall3    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3>,
+             VoidStoredMemberFunctionCall3<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+class StoredConstMemberFunctionCall3 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionCall3(T (Class::*_fn)(Param1, Param2, Param3) const, const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1, arg2, arg3);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3)const;
+    const Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+class VoidStoredConstMemberFunctionCall3 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionCall3(T (Class::*_fn)(Param1, Param2, Param3) const, const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1, arg2, arg3);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3)const;
+    const Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+struct SelectStoredConstMemberFunctionCall3
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionCall3    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3>,
+             VoidStoredConstMemberFunctionCall3<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+class StoredMemberFunctionPointerCall3 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionPointerCall3(T (Class::*_fn)(Param1, Param2, Param3) , Class *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1, arg2, arg3);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3);
+    Class *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+class VoidStoredMemberFunctionPointerCall3 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionPointerCall3(T (Class::*_fn)(Param1, Param2, Param3) , Class *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1, arg2, arg3);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3);
+    Class *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+struct SelectStoredMemberFunctionPointerCall3
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionPointerCall3    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3>,
+             VoidStoredMemberFunctionPointerCall3<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+class StoredConstMemberFunctionPointerCall3 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionPointerCall3(T (Class::*_fn)(Param1, Param2, Param3) const, Class const *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1, arg2, arg3);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3)const;
+    Class const *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+class VoidStoredConstMemberFunctionPointerCall3 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionPointerCall3(T (Class::*_fn)(Param1, Param2, Param3) const, Class const *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1, arg2, arg3);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3)const;
+    Class const *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3>
+struct SelectStoredConstMemberFunctionPointerCall3
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionPointerCall3    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3>,
+             VoidStoredConstMemberFunctionPointerCall3<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+struct StoredFunctorCall4: public RunFunctionTask<T>
+{
+    inline StoredFunctorCall4(FunctionPointer _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4) {}
+    void runFunctor() { this->result = function(arg1, arg2, arg3, arg4); }
+    FunctionPointer function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+struct VoidStoredFunctorCall4: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorCall4(FunctionPointer _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4) {}
+    void runFunctor() { function(arg1, arg2, arg3, arg4); }
+    FunctionPointer function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+struct SelectStoredFunctorCall4
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorCall4    <T, FunctionPointer, Arg1, Arg2, Arg3, Arg4>,
+             VoidStoredFunctorCall4<T, FunctionPointer, Arg1, Arg2, Arg3, Arg4> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+struct StoredFunctorPointerCall4: public RunFunctionTask<T>
+{
+    inline StoredFunctorPointerCall4(FunctionPointer * _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4) {}
+    void runFunctor() { this->result =(*function)(arg1, arg2, arg3, arg4); }
+    FunctionPointer * function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+struct VoidStoredFunctorPointerCall4: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorPointerCall4(FunctionPointer * _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4) {}
+    void runFunctor() {(*function)(arg1, arg2, arg3, arg4); }
+    FunctionPointer * function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+struct SelectStoredFunctorPointerCall4
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorPointerCall4    <T, FunctionPointer, Arg1, Arg2, Arg3, Arg4>,
+             VoidStoredFunctorPointerCall4<T, FunctionPointer, Arg1, Arg2, Arg3, Arg4> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+class StoredMemberFunctionCall4 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionCall4(T (Class::*_fn)(Param1, Param2, Param3, Param4) , const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1, arg2, arg3, arg4);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4);
+    Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+class VoidStoredMemberFunctionCall4 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionCall4(T (Class::*_fn)(Param1, Param2, Param3, Param4) , const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1, arg2, arg3, arg4);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4);
+    Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+struct SelectStoredMemberFunctionCall4
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionCall4    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4>,
+             VoidStoredMemberFunctionCall4<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+class StoredConstMemberFunctionCall4 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionCall4(T (Class::*_fn)(Param1, Param2, Param3, Param4) const, const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1, arg2, arg3, arg4);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4)const;
+    const Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+class VoidStoredConstMemberFunctionCall4 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionCall4(T (Class::*_fn)(Param1, Param2, Param3, Param4) const, const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1, arg2, arg3, arg4);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4)const;
+    const Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+struct SelectStoredConstMemberFunctionCall4
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionCall4    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4>,
+             VoidStoredConstMemberFunctionCall4<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+class StoredMemberFunctionPointerCall4 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionPointerCall4(T (Class::*_fn)(Param1, Param2, Param3, Param4) , Class *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1, arg2, arg3, arg4);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4);
+    Class *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+class VoidStoredMemberFunctionPointerCall4 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionPointerCall4(T (Class::*_fn)(Param1, Param2, Param3, Param4) , Class *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1, arg2, arg3, arg4);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4);
+    Class *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+struct SelectStoredMemberFunctionPointerCall4
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionPointerCall4    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4>,
+             VoidStoredMemberFunctionPointerCall4<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+class StoredConstMemberFunctionPointerCall4 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionPointerCall4(T (Class::*_fn)(Param1, Param2, Param3, Param4) const, Class const *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1, arg2, arg3, arg4);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4)const;
+    Class const *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+class VoidStoredConstMemberFunctionPointerCall4 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionPointerCall4(T (Class::*_fn)(Param1, Param2, Param3, Param4) const, Class const *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1, arg2, arg3, arg4);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4)const;
+    Class const *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4>
+struct SelectStoredConstMemberFunctionPointerCall4
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionPointerCall4    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4>,
+             VoidStoredConstMemberFunctionPointerCall4<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
+struct StoredFunctorCall5: public RunFunctionTask<T>
+{
+    inline StoredFunctorCall5(FunctionPointer _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5) {}
+    void runFunctor() { this->result = function(arg1, arg2, arg3, arg4, arg5); }
+    FunctionPointer function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
+struct VoidStoredFunctorCall5: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorCall5(FunctionPointer _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5) {}
+    void runFunctor() { function(arg1, arg2, arg3, arg4, arg5); }
+    FunctionPointer function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
+struct SelectStoredFunctorCall5
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorCall5    <T, FunctionPointer, Arg1, Arg2, Arg3, Arg4, Arg5>,
+             VoidStoredFunctorCall5<T, FunctionPointer, Arg1, Arg2, Arg3, Arg4, Arg5> >::type type;
+};
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
+struct StoredFunctorPointerCall5: public RunFunctionTask<T>
+{
+    inline StoredFunctorPointerCall5(FunctionPointer * _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5) {}
+    void runFunctor() { this->result =(*function)(arg1, arg2, arg3, arg4, arg5); }
+    FunctionPointer * function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
+struct VoidStoredFunctorPointerCall5: public RunFunctionTask<T>
+{
+    inline VoidStoredFunctorPointerCall5(FunctionPointer * _function, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+      : function(_function), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5) {}
+    void runFunctor() {(*function)(arg1, arg2, arg3, arg4, arg5); }
+    FunctionPointer * function;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+
+template <typename T, typename FunctionPointer, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
+struct SelectStoredFunctorPointerCall5
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredFunctorPointerCall5    <T, FunctionPointer, Arg1, Arg2, Arg3, Arg4, Arg5>,
+             VoidStoredFunctorPointerCall5<T, FunctionPointer, Arg1, Arg2, Arg3, Arg4, Arg5> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+class StoredMemberFunctionCall5 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionCall5(T (Class::*_fn)(Param1, Param2, Param3, Param4, Param5) , const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1, arg2, arg3, arg4, arg5);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4, Param5);
+    Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+class VoidStoredMemberFunctionCall5 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionCall5(T (Class::*_fn)(Param1, Param2, Param3, Param4, Param5) , const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1, arg2, arg3, arg4, arg5);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4, Param5);
+    Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+struct SelectStoredMemberFunctionCall5
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionCall5    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5>,
+             VoidStoredMemberFunctionCall5<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+class StoredConstMemberFunctionCall5 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionCall5(T (Class::*_fn)(Param1, Param2, Param3, Param4, Param5) const, const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5){ }
+
+    void runFunctor()
+    {
+        this->result = (object.*fn)(arg1, arg2, arg3, arg4, arg5);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4, Param5)const;
+    const Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+class VoidStoredConstMemberFunctionCall5 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionCall5(T (Class::*_fn)(Param1, Param2, Param3, Param4, Param5) const, const Class &_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5){ }
+
+    void runFunctor()
+    {
+        (object.*fn)(arg1, arg2, arg3, arg4, arg5);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4, Param5)const;
+    const Class object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+struct SelectStoredConstMemberFunctionCall5
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionCall5    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5>,
+             VoidStoredConstMemberFunctionCall5<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+class StoredMemberFunctionPointerCall5 : public RunFunctionTask<T>
+{
+public:
+    StoredMemberFunctionPointerCall5(T (Class::*_fn)(Param1, Param2, Param3, Param4, Param5) , Class *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1, arg2, arg3, arg4, arg5);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4, Param5);
+    Class *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+class VoidStoredMemberFunctionPointerCall5 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredMemberFunctionPointerCall5(T (Class::*_fn)(Param1, Param2, Param3, Param4, Param5) , Class *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1, arg2, arg3, arg4, arg5);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4, Param5);
+    Class *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+struct SelectStoredMemberFunctionPointerCall5
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredMemberFunctionPointerCall5    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5>,
+             VoidStoredMemberFunctionPointerCall5<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5> >::type type;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+class StoredConstMemberFunctionPointerCall5 : public RunFunctionTask<T>
+{
+public:
+    StoredConstMemberFunctionPointerCall5(T (Class::*_fn)(Param1, Param2, Param3, Param4, Param5) const, Class const *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5){ }
+
+    void runFunctor()
+    {
+        this->result = (object->*fn)(arg1, arg2, arg3, arg4, arg5);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4, Param5)const;
+    Class const *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+class VoidStoredConstMemberFunctionPointerCall5 : public RunFunctionTask<T>
+{
+public:
+    VoidStoredConstMemberFunctionPointerCall5(T (Class::*_fn)(Param1, Param2, Param3, Param4, Param5) const, Class const *_object, const Arg1 &_arg1, const Arg2 &_arg2, const Arg3 &_arg3, const Arg4 &_arg4, const Arg5 &_arg5)
+    : fn(_fn), object(_object), arg1(_arg1), arg2(_arg2), arg3(_arg3), arg4(_arg4), arg5(_arg5){ }
+
+    void runFunctor()
+    {
+        (object->*fn)(arg1, arg2, arg3, arg4, arg5);
+    }
+private:
+    T (Class::*fn)(Param1, Param2, Param3, Param4, Param5)const;
+    Class const *object;
+    Arg1 arg1; Arg2 arg2; Arg3 arg3; Arg4 arg4; Arg5 arg5;
+};
+template <typename T, typename Class, typename Param1, typename Arg1, typename Param2, typename Arg2, typename Param3, typename Arg3, typename Param4, typename Arg4, typename Param5, typename Arg5>
+struct SelectStoredConstMemberFunctionPointerCall5
+{
+    typedef typename SelectSpecialization<T>::template
+        Type<StoredConstMemberFunctionPointerCall5    <T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5>,
+             VoidStoredConstMemberFunctionPointerCall5<T, Class, Param1, Arg1, Param2, Arg2, Param3, Arg3, Param4, Arg4, Param5, Arg5> >::type type;
+};
+} //namespace QtConcurrent
+
+#endif // qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qtconcurrentthreadengine.cpp b/src/corelib/concurrent/qtconcurrentthreadengine.cpp
new file mode 100644
index 0000000000..d6e6057bdd
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentthreadengine.cpp
@@ -0,0 +1,219 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtconcurrentthreadengine.h"
+
+#ifndef QT_NO_CONCURRENT
+
+QT_BEGIN_NAMESPACE
+
+namespace QtConcurrent {
+
+ThreadEngineBase::ThreadEngineBase()
+:futureInterface(0), threadPool(QThreadPool::globalInstance())
+{
+    setAutoDelete(false);
+}
+
+ThreadEngineBase::~ThreadEngineBase() {}
+
+void ThreadEngineBase::startSingleThreaded()
+{
+    start();
+    while (threadFunction() != ThreadFinished)
+        ;
+    finish();
+}
+
+void ThreadEngineBase::startBlocking()
+{
+    start();
+    semaphore.acquire();
+    startThreads();
+
+    bool throttled = false;
+#ifndef QT_NO_EXCEPTIONS
+    try {
+#endif
+        while (threadFunction() == ThrottleThread) {
+            if (threadThrottleExit()) {
+                throttled = true;
+                break;
+            }
+        }
+#ifndef QT_NO_EXCEPTIONS
+    } catch (QtConcurrent::Exception &e) {
+        handleException(e);
+    } catch (...) {
+        handleException(QtConcurrent::UnhandledException());
+    }
+#endif
+
+    if (throttled == false) {
+        semaphore.release();
+    }
+
+    semaphore.wait();
+    finish();
+    exceptionStore.throwPossibleException();
+}
+
+void ThreadEngineBase::startThread()
+{
+    startThreadInternal();
+}
+
+bool ThreadEngineBase::isCanceled()
+{
+    if (futureInterface)
+        return futureInterface->isCanceled();
+    else
+        return false;
+}
+
+void ThreadEngineBase::waitForResume()
+{
+    if (futureInterface)
+        futureInterface->waitForResume();
+}
+
+bool ThreadEngineBase::isProgressReportingEnabled()
+{
+    // If we don't have a QFuture, there is no-one to report the progress to.
+    return (futureInterface != 0);
+}
+
+void ThreadEngineBase::setProgressValue(int progress)
+{
+    if (futureInterface)
+        futureInterface->setProgressValue(progress);
+}
+
+void ThreadEngineBase::setProgressRange(int minimum, int maximum)
+{
+    if (futureInterface)
+        futureInterface->setProgressRange(minimum, maximum);
+}
+
+bool ThreadEngineBase::startThreadInternal()
+{
+    if (this->isCanceled())
+        return false;
+
+    semaphore.acquire();
+    if (!threadPool->tryStart(this)) {
+        semaphore.release();
+        return false;
+    }
+    return true;
+}
+
+void ThreadEngineBase::startThreads()
+{
+    while (shouldStartThread() && startThreadInternal())
+        ;
+}
+
+void ThreadEngineBase::threadExit()
+{
+    const bool asynchronous = futureInterface != 0;
+    const int lastThread = (semaphore.release() == 0);
+
+    if (lastThread && asynchronous)
+        this->asynchronousFinish();
+}
+
+// Called by a worker thread that wants to be throttled. If the current number
+// of running threads is larger than one the thread is allowed to exit and
+// this function returns one.
+bool ThreadEngineBase::threadThrottleExit()
+{
+    return semaphore.releaseUnlessLast();
+}
+
+void ThreadEngineBase::run() // implements QRunnable.
+{
+    if (this->isCanceled()) {
+        threadExit();
+        return;
+    }
+
+    startThreads();
+
+#ifndef QT_NO_EXCEPTIONS
+    try {
+#endif
+        while (threadFunction() == ThrottleThread) {
+            // threadFunction returning ThrottleThread means it that the user
+            // struct wants to be throttled by making a worker thread exit.
+            // Respect that request unless this is the only worker thread left
+            // running, in which case it has to keep going.
+            if (threadThrottleExit())
+                return;
+        }
+
+#ifndef QT_NO_EXCEPTIONS
+    } catch (QtConcurrent::Exception &e) {
+        handleException(e);
+    } catch (...) {
+        handleException(QtConcurrent::UnhandledException());
+    }
+#endif
+    threadExit();
+}
+
+#ifndef QT_NO_EXCEPTIONS
+
+void ThreadEngineBase::handleException(const QtConcurrent::Exception &exception)
+{
+    if (futureInterface)
+        futureInterface->reportException(exception);
+    else
+        exceptionStore.setException(exception);
+}
+#endif
+
+
+} // namepsace QtConcurrent
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CONCURRENT
diff --git a/src/corelib/concurrent/qtconcurrentthreadengine.h b/src/corelib/concurrent/qtconcurrentthreadengine.h
new file mode 100644
index 0000000000..9e7d12e865
--- /dev/null
+++ b/src/corelib/concurrent/qtconcurrentthreadengine.h
@@ -0,0 +1,306 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_THREADENGINE_H
+#define QTCONCURRENT_THREADENGINE_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qthreadpool.h>
+#include <QtCore/qfuture.h>
+#include <QtCore/qdebug.h>
+#include <QtCore/qtconcurrentexception.h>
+#include <QtCore/qwaitcondition.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+
+// A Semaphore that can wait until all resources are returned.
+class ThreadEngineSemaphore
+{
+public:
+    ThreadEngineSemaphore()
+    :count(0) { }
+
+    void acquire()
+    {
+        QMutexLocker lock(&mutex);
+        ++count;
+    }
+
+    int release()
+    {
+        QMutexLocker lock(&mutex);
+        if (--count == 0)
+            waitCondition.wakeAll();
+        return count;
+    }
+
+    // Wait until all resources are released.
+    void wait()
+    {
+        QMutexLocker lock(&mutex);
+        if (count != 0)
+            waitCondition.wait(&mutex);
+    }
+
+    int currentCount()
+    {
+        return count;
+    }
+
+    // releases a resource, unless this is the last resource.
+    // returns true if a resource was released.
+    bool releaseUnlessLast()
+    {
+        QMutexLocker lock(&mutex);
+        if (count == 1)
+            return false;
+        --count;
+        return true;
+    }
+
+private:
+    QMutex mutex;
+    int count;
+    QWaitCondition waitCondition;
+};
+
+enum ThreadFunctionResult { ThrottleThread, ThreadFinished };
+
+// The ThreadEngine controls the threads used in the computation.
+// Can be run in three modes: single threaded, multi-threaded blocking
+// and multi-threaded asynchronous.
+// The code for the single threaded mode is
+class Q_CORE_EXPORT ThreadEngineBase: public QRunnable
+{
+public:
+    // Public API:
+    ThreadEngineBase();
+    virtual ~ThreadEngineBase();
+    void startSingleThreaded();
+    void startBlocking();
+    void startThread();
+    bool isCanceled();
+    void waitForResume();
+    bool isProgressReportingEnabled();
+    void setProgressValue(int progress);
+    void setProgressRange(int minimum, int maximum);
+
+protected: // The user overrides these:
+    virtual void start() {}
+    virtual void finish() {}
+    virtual ThreadFunctionResult threadFunction() { return ThreadFinished; }
+    virtual bool shouldStartThread() { return futureInterface ? !futureInterface->isPaused() : true; }
+    virtual bool shouldThrottleThread() { return futureInterface ? futureInterface->isPaused() : false; }
+private:
+    bool startThreadInternal();
+    void startThreads();
+    void threadExit();
+    bool threadThrottleExit();
+    void run();
+    virtual void asynchronousFinish() = 0;
+#ifndef QT_NO_EXCEPTIONS
+    void handleException(const QtConcurrent::Exception &exception);
+#endif
+protected:
+    QFutureInterfaceBase *futureInterface;
+    QThreadPool *threadPool;
+    ThreadEngineSemaphore semaphore;
+    QtConcurrent::internal::ExceptionStore exceptionStore;
+};
+
+
+template <typename T>
+class ThreadEngine : public virtual ThreadEngineBase
+{
+public:
+    typedef T ResultType;
+
+    virtual T *result() { return 0; }
+
+    QFutureInterface<T> *futureInterfaceTyped()
+    {
+        return static_cast<QFutureInterface<T> *>(futureInterface);
+    }
+
+    // Runs the user algorithm using a single thread.
+    T *startSingleThreaded()
+    {
+        ThreadEngineBase::startSingleThreaded();
+        return result();
+    }
+
+    // Runs the user algorithm using multiple threads.
+    // This function blocks until the algorithm is finished,
+    // and then returns the result.
+    T *startBlocking()
+    {
+        ThreadEngineBase::startBlocking();
+        return result();
+    }
+
+    // Runs the user algorithm using multiple threads.
+    // Does not block, returns a future.
+    QFuture<T> startAsynchronously()
+    {
+        futureInterface = new QFutureInterface<T>();
+
+        // reportStart() must be called before starting threads, otherwise the
+        // user algorithm might finish while reportStart() is running, which
+        // is very bad.
+        futureInterface->reportStarted();
+        QFuture<T> future = QFuture<T>(futureInterfaceTyped());
+        start();
+
+        semaphore.acquire();
+        threadPool->start(this);
+        return future;
+    }
+
+    void asynchronousFinish()
+    {
+        finish();
+        futureInterfaceTyped()->reportFinished(result());
+        delete futureInterfaceTyped();
+        delete this;
+    }
+
+
+    void reportResult(const T *_result, int index = -1)
+    {
+        if (futureInterface)
+            futureInterfaceTyped()->reportResult(_result, index);
+    }
+
+    void reportResults(const QVector<T> &_result, int index = -1, int count = -1)
+    {
+        if (futureInterface)
+            futureInterfaceTyped()->reportResults(_result, index, count);
+    }
+};
+
+// The ThreadEngineStarter class ecapsulates the return type
+// from the thread engine.
+// Depending on how the it is used, it will run
+// the engine in either blocking mode or asynchronous mode.
+template <typename T>
+class ThreadEngineStarterBase
+{
+public:
+    ThreadEngineStarterBase(ThreadEngine<T> *_threadEngine)
+    : threadEngine(_threadEngine) { }
+
+    inline ThreadEngineStarterBase(const ThreadEngineStarterBase &other)
+    : threadEngine(other.threadEngine) { }
+
+    QFuture<T> startAsynchronously()
+    {
+        return threadEngine->startAsynchronously();
+    }
+
+    operator QFuture<T>()
+    {
+        return startAsynchronously();
+    }
+
+protected:
+    ThreadEngine<T> *threadEngine;
+};
+
+
+// We need to factor out the code that dereferences the T pointer,
+// with a specialization where T is void. (code that dereferences a void *
+// won't compile)
+template <typename T>
+class ThreadEngineStarter : public ThreadEngineStarterBase<T>
+{
+public:
+    ThreadEngineStarter(ThreadEngine<T> *threadEngine)
+    :ThreadEngineStarterBase<T>(threadEngine) {}
+
+    T startBlocking()
+    {
+        T t = *this->threadEngine->startBlocking();
+        delete this->threadEngine;
+        return t;
+    }
+};
+
+// Full template specialization where T is void.
+template <>
+class ThreadEngineStarter<void> : public ThreadEngineStarterBase<void>
+{
+public:
+    ThreadEngineStarter<void>(ThreadEngine<void> *_threadEngine)
+    :ThreadEngineStarterBase<void>(_threadEngine) {}
+
+    void startBlocking()
+    {
+        this->threadEngine->startBlocking();
+        delete this->threadEngine;
+    }
+};
+
+template <typename ThreadEngine>
+inline ThreadEngineStarter<typename ThreadEngine::ResultType> startThreadEngine(ThreadEngine *threadEngine)
+{
+    return ThreadEngineStarter<typename ThreadEngine::ResultType>(threadEngine);
+}
+
+} // namespace QtConcurrent
+
+#endif //qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif
diff --git a/src/corelib/concurrent/qthreadpool.cpp b/src/corelib/concurrent/qthreadpool.cpp
new file mode 100644
index 0000000000..30edfd4eff
--- /dev/null
+++ b/src/corelib/concurrent/qthreadpool.cpp
@@ -0,0 +1,614 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qthreadpool.h"
+#include "qthreadpool_p.h"
+
+#ifndef QT_NO_THREAD
+
+QT_BEGIN_NAMESPACE
+
+inline bool operator<(int priority, const QPair<QRunnable *, int> &p)
+{
+    return p.second < priority;
+}
+inline bool operator<(const QPair<QRunnable *, int> &p, int priority)
+{
+    return priority < p.second;
+}
+
+Q_GLOBAL_STATIC(QThreadPool, theInstance)
+
+/*
+    QThread wrapper, provides synchronizitaion against a ThreadPool
+*/
+class QThreadPoolThread : public QThread
+{
+public:
+    QThreadPoolThread(QThreadPoolPrivate *manager);
+    void run();
+    void registerTheadInactive();
+
+    QThreadPoolPrivate *manager;
+    QRunnable *runnable;
+};
+
+/*
+    QThreadPool private class.
+*/
+
+
+/*!\internal
+
+*/
+QThreadPoolThread::QThreadPoolThread(QThreadPoolPrivate *manager)
+    :manager(manager), runnable(0)
+{ }
+
+/* \internal
+
+*/
+void QThreadPoolThread::run()
+{
+    QMutexLocker locker(&manager->mutex);
+    for(;;) {
+        QRunnable *r = runnable;
+        runnable = 0;
+
+        do {
+            if (r) {
+                const bool autoDelete = r->autoDelete();
+
+
+                // run the task
+                locker.unlock();
+#ifndef QT_NO_EXCEPTIONS
+                try {
+#endif
+                    r->run();
+#ifndef QT_NO_EXCEPTIONS
+                } catch (...) {
+                    qWarning("Qt Concurrent has caught an exception thrown from a worker thread.\n"
+                             "This is not supported, exceptions thrown in worker threads must be\n"
+                             "caught before control returns to Qt Concurrent.");
+                    registerTheadInactive();
+                    throw;
+                }
+#endif
+                locker.relock();
+
+                if (autoDelete && !--r->ref)
+                    delete r;
+            }
+
+            // if too many threads are active, expire this thread
+            if (manager->tooManyThreadsActive())
+                break;
+
+            r = !manager->queue.isEmpty() ? manager->queue.takeFirst().first : 0;
+        } while (r != 0);
+
+        if (manager->isExiting) {
+            registerTheadInactive();
+            break;
+        }
+
+        // if too many threads are active, expire this thread
+        bool expired = manager->tooManyThreadsActive();
+        if (!expired) {
+            ++manager->waitingThreads;
+            registerTheadInactive();
+            // wait for work, exiting after the expiry timeout is reached
+            expired = !manager->runnableReady.wait(locker.mutex(), manager->expiryTimeout);
+            ++manager->activeThreads;
+    
+            if (expired)
+                --manager->waitingThreads;
+        }
+        if (expired) {
+            manager->expiredThreads.enqueue(this);
+            registerTheadInactive();
+            break;
+        }
+    }
+}
+
+void QThreadPoolThread::registerTheadInactive()
+{
+    if (--manager->activeThreads == 0)
+        manager->noActiveThreads.wakeAll();
+}
+
+
+/* \internal
+
+*/
+QThreadPoolPrivate:: QThreadPoolPrivate()
+    : isExiting(false),
+      expiryTimeout(30000),
+      maxThreadCount(qAbs(QThread::idealThreadCount())),
+      reservedThreads(0),
+      waitingThreads(0),
+      activeThreads(0)
+{ }
+
+bool QThreadPoolPrivate::tryStart(QRunnable *task)
+{
+    if (allThreads.isEmpty()) {
+        // always create at least one thread
+        startThread(task);
+        return true;
+    }
+
+    // can't do anything if we're over the limit
+    if (activeThreadCount() >= maxThreadCount)
+        return false;
+
+    if (waitingThreads > 0) {
+        // recycle an available thread
+        --waitingThreads;
+        enqueueTask(task);
+        return true;
+    }
+
+    if (!expiredThreads.isEmpty()) {
+        // restart an expired thread
+        QThreadPoolThread *thread = expiredThreads.dequeue();
+        Q_ASSERT(thread->runnable == 0);
+
+        ++activeThreads;
+
+        if (task->autoDelete())
+            ++task->ref;
+        thread->runnable = task;
+        thread->start();
+        return true;
+    }
+
+    // start a new thread
+    startThread(task);
+    return true;
+}
+
+void QThreadPoolPrivate::enqueueTask(QRunnable *runnable, int priority)
+{
+    if (runnable->autoDelete())
+        ++runnable->ref;
+
+    // put it on the queue
+    QList<QPair<QRunnable *, int> >::iterator at =
+        qUpperBound(queue.begin(), queue.end(), priority);
+    queue.insert(at, qMakePair(runnable, priority));
+    runnableReady.wakeOne();
+}
+
+int QThreadPoolPrivate::activeThreadCount() const
+{
+    return (allThreads.count()
+            - expiredThreads.count()
+            - waitingThreads
+            + reservedThreads);
+}
+
+void QThreadPoolPrivate::tryToStartMoreThreads()
+{
+    // try to push tasks on the queue to any available threads
+    while (!queue.isEmpty() && tryStart(queue.first().first))
+        queue.removeFirst();
+}
+
+bool QThreadPoolPrivate::tooManyThreadsActive() const
+{
+    const int activeThreadCount = this->activeThreadCount();
+    return activeThreadCount > maxThreadCount && (activeThreadCount - reservedThreads) > 1;
+}
+
+/*! \internal
+
+*/
+void QThreadPoolPrivate::startThread(QRunnable *runnable)
+{
+    QThreadPoolThread *thread = new QThreadPoolThread(this);
+    allThreads.insert(thread);
+    ++activeThreads;
+
+    if (runnable->autoDelete())
+        ++runnable->ref;
+    thread->runnable = runnable;
+    thread->start();
+}
+
+/*! \internal
+    Makes all threads exit, waits for each tread to exit and deletes it.
+*/
+void QThreadPoolPrivate::reset()
+{
+    QMutexLocker locker(&mutex);
+    isExiting = true;
+    runnableReady.wakeAll();
+
+    do {
+        // make a copy of the set so that we can iterate without the lock
+        QSet<QThreadPoolThread *> allThreadsCopy = allThreads;
+        allThreads.clear();
+        locker.unlock();
+
+        foreach (QThreadPoolThread *thread, allThreadsCopy) {
+            thread->wait();
+            delete thread;
+        }
+
+        locker.relock();
+        // repeat until all newly arrived threads have also completed
+    } while (!allThreads.isEmpty());
+
+    waitingThreads = 0;
+    expiredThreads.clear();
+
+    isExiting = false;
+}
+
+void QThreadPoolPrivate::waitForDone()
+{
+    QMutexLocker locker(&mutex);
+    while (!(queue.isEmpty() && activeThreads == 0))
+        noActiveThreads.wait(locker.mutex());
+}
+
+/*! \internal
+    Pulls a runnable from the front queue and runs it in the current thread. Blocks
+    until the runnable has completed. Returns true if a runnable was found.
+*/
+bool QThreadPoolPrivate::startFrontRunnable()
+{
+    QMutexLocker locker(&mutex);
+    if (queue.isEmpty())
+        return false;
+
+    QRunnable *runnable = queue.takeFirst().first;
+    const bool autoDelete = runnable->autoDelete();
+    bool del = autoDelete && !--runnable->ref;
+
+    locker.unlock();
+    runnable->run();
+    locker.relock();
+
+    if (del) {
+        delete runnable;
+    }
+
+    return true;
+}
+
+/*! \internal
+    Seaches for \a runnable in the queue, removes it from the queue and
+    runs it if found. This functon does not return until the runnable
+    has completed.
+*/
+void QThreadPoolPrivate::stealRunnable(QRunnable *runnable)
+{
+    if (runnable == 0 || queue.isEmpty())
+        return;
+    bool found = false;
+    {
+        QMutexLocker locker(&mutex);
+        QList<QPair<QRunnable *, int> >::iterator it = queue.begin();
+        QList<QPair<QRunnable *, int> >::iterator end = queue.end();
+
+        while (it != end) {
+            if (it->first == runnable) {
+                found = true;
+                queue.erase(it);
+                break;
+            }
+            ++it;
+        }
+    }
+
+    if (!found)
+        return;
+
+    const bool autoDelete = runnable->autoDelete();
+    bool del = autoDelete && !--runnable->ref;
+
+    runnable->run();
+
+    if (del) {
+        delete runnable;
+    }
+}
+
+/*!
+    \class QThreadPool
+    \brief The QThreadPool class manages a collection of QThreads.
+    \since 4.4
+    \threadsafe
+
+    QThreadPool manages and recyles individual QThread objects to help reduce
+    thread creation costs in programs that use threads. Each Qt application
+    has one global QThreadPool object, which can be accessed by calling
+    globalInstance().
+
+    To use one of the QThreadPool threads, subclass QRunnable and implement
+    the run() virtual function. Then create an object of that class and pass
+    it to QThreadPool::start().
+
+    \snippet doc/src/snippets/code/src_corelib_concurrent_qthreadpool.cpp 0
+
+    QThreadPool deletes the QRunnable automatically by default. Use 
+    QRunnable::setAutoDelete() to change the auto-deletion flag.
+
+    QThreadPool supports executing the same QRunnable more than once
+    by calling tryStart(this) from within QRunnable::run(). 
+    If autoDelete is enabled the QRunnable will be deleted when
+    the last thread exits the run function. Calling start()
+    multiple times with the same QRunnable when autoDelete is enabled
+    creates a race condition and is not recommended.
+
+    Threads that are unused for a certain amount of time will expire. The
+    default expiry timeout is 30000 milliseconds (30 seconds). This can be
+    changed using setExpiryTimeout(). Setting a negative expiry timeout
+    disables the expiry mechanism.
+
+    Call maxThreadCount() to query the maximum number of threads to be used.
+    If needed, you can change the limit with setMaxThreadCount(). The default
+    maxThreadCount() is QThread::idealThreadCount(). The activeThreadCount()
+    function returns the number of threads currently doing work.
+
+    The reserveThread() function reserves a thread for external
+    use. Use releaseThread() when your are done with the thread, so
+    that it may be reused.  Essentially, these functions temporarily
+    increase or reduce the active thread count and are useful when
+    implementing time-consuming operations that are not visible to the
+    QThreadPool.
+
+    Note that QThreadPool is a low-level class for managing threads, see
+    QtConcurrent::run() or the other
+    \l {threads.html#qtconcurrent-intro}{Qt Concurrent} APIs for higher
+    level alternatives.
+
+    \sa QRunnable
+*/
+
+/*!
+    Constructs a thread pool with the given \a parent.
+*/
+QThreadPool::QThreadPool(QObject *parent)
+    : QObject(*new QThreadPoolPrivate, parent)
+{ }
+
+/*!
+    Destroys the QThreadPool.
+    This function will block until all runnables have been completed.
+*/
+QThreadPool::~QThreadPool()
+{
+    d_func()->waitForDone();
+    d_func()->reset();
+}
+
+/*!
+    Returns the global QThreadPool instance.
+*/
+QThreadPool *QThreadPool::globalInstance()
+{
+    return theInstance();
+}
+
+/*!
+    Reserves a thread and uses it to run \a runnable, unless this thread will
+    make the current thread count exceed maxThreadCount().  In that case,
+    \a runnable is added to a run queue instead. The \a priority argument can
+    be used to control the run queue's order of execution.
+
+    Note that the thread pool takes ownership of the \a runnable if
+    \l{QRunnable::autoDelete()}{runnable->autoDelete()} returns true,
+    and the \a runnable will be deleted automatically by the thread
+    pool after the \l{QRunnable::run()}{runnable->run()} returns. If
+    \l{QRunnable::autoDelete()}{runnable->autoDelete()} returns false,
+    ownership of \a runnable remains with the caller. Note that
+    changing the auto-deletion on \a runnable after calling this
+    functions results in undefined behavior.
+*/
+void QThreadPool::start(QRunnable *runnable, int priority)
+{
+    if (!runnable)
+        return;
+
+    Q_D(QThreadPool);
+    QMutexLocker locker(&d->mutex);
+    if (!d->tryStart(runnable))
+        d->enqueueTask(runnable, priority);
+}
+
+/*!
+    Attempts to reserve a thread to run \a runnable.
+
+    If no threads are available at the time of calling, then this function
+    does nothing and returns false.  Otherwise, \a runnable is run immediately
+    using one available thread and this function returns true.
+
+    Note that the thread pool takes ownership of the \a runnable if
+    \l{QRunnable::autoDelete()}{runnable->autoDelete()} returns true,
+    and the \a runnable will be deleted automatically by the thread
+    pool after the \l{QRunnable::run()}{runnable->run()} returns. If
+    \l{QRunnable::autoDelete()}{runnable->autoDelete()} returns false,
+    ownership of \a runnable remains with the caller. Note that
+    changing the auto-deletion on \a runnable after calling this
+    function results in undefined behavior.
+*/
+bool QThreadPool::tryStart(QRunnable *runnable)
+{
+    if (!runnable)
+        return false;
+
+    Q_D(QThreadPool);
+    QMutexLocker locker(&d->mutex);
+    return d->tryStart(runnable);
+}
+
+/*! \property QThreadPool::expiryTimeout
+
+    Threads that are unused for \a expiryTimeout milliseconds are considered
+    to have expired and will exit. Such threads will be restarted as needed.
+    The default \a expiryTimeout is 30000 milliseconds (30 seconds). If
+    \a expiryTimeout is negative, newly created threads will not expire, e.g.,
+    they will not exit until the thread pool is destroyed.
+
+    Note that setting \a expiryTimeout has no effect on already running
+    threads. Only newly created threads will use the new \a expiryTimeout.
+    We recommend setting the \a expiryTimeout immediately after creating the
+    thread pool, but before calling start().
+*/
+
+int QThreadPool::expiryTimeout() const
+{
+    Q_D(const QThreadPool);
+    return d->expiryTimeout;
+}
+
+void QThreadPool::setExpiryTimeout(int expiryTimeout)
+{
+    Q_D(QThreadPool);
+    if (d->expiryTimeout == expiryTimeout)
+        return;
+    d->expiryTimeout = expiryTimeout;
+}
+
+/*! \property QThreadPool::maxThreadCount
+
+    This property represents the maximum number of threads used by the thread
+    pool.
+
+    \note The thread pool will always use at least 1 thread, even if
+    \a maxThreadCount limit is zero or negative.
+
+    The default \a maxThreadCount is QThread::idealThreadCount().
+*/
+
+int QThreadPool::maxThreadCount() const
+{
+    Q_D(const QThreadPool);
+    QMutexLocker locker(&d->mutex);
+    return d->maxThreadCount;
+}
+
+void QThreadPool::setMaxThreadCount(int maxThreadCount)
+{
+    Q_D(QThreadPool);
+    QMutexLocker locker(&d->mutex);
+
+    if (maxThreadCount == d->maxThreadCount)
+        return;
+
+    d->maxThreadCount = maxThreadCount;
+    d->tryToStartMoreThreads();
+}
+
+/*! \property QThreadPool::activeThreadCount
+
+    This property represents the number of active threads in the thread pool.
+
+    \note It is possible for this function to return a value that is greater
+    than maxThreadCount(). See reserveThread() for more details.
+
+    \sa reserveThread(), releaseThread()
+*/
+
+int QThreadPool::activeThreadCount() const
+{
+    Q_D(const QThreadPool);
+    QMutexLocker locker(&d->mutex);
+    return d->activeThreadCount();
+}
+
+/*!
+    Reserves one thread, disregarding activeThreadCount() and maxThreadCount().
+
+    Once you are done with the thread, call releaseThread() to allow it to be
+    reused.
+
+    \note This function will always increase the number of active threads.
+    This means that by using this function, it is possible for
+    activeThreadCount() to return a value greater than maxThreadCount() .
+
+    \sa releaseThread()
+ */
+void QThreadPool::reserveThread()
+{
+    Q_D(QThreadPool);
+    QMutexLocker locker(&d->mutex);
+    ++d->reservedThreads;
+}
+
+/*!
+    Releases a thread previously reserved by a call to reserveThread().
+
+    \note Calling this function without previously reserving a thread
+    temporarily increases maxThreadCount(). This is useful when a
+    thread goes to sleep waiting for more work, allowing other threads
+    to continue. Be sure to call reserveThread() when done waiting, so
+    that the thread pool can correctly maintain the
+    activeThreadCount().
+
+    \sa reserveThread()
+*/
+void QThreadPool::releaseThread()
+{
+    Q_D(QThreadPool);
+    QMutexLocker locker(&d->mutex);
+    --d->reservedThreads;
+    d->tryToStartMoreThreads();
+}
+
+/*!
+    Waits for each thread to exit and removes all threads from the thread pool.
+*/
+void QThreadPool::waitForDone()
+{
+    Q_D(QThreadPool);
+    d->waitForDone();
+    d->reset();
+}
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/concurrent/qthreadpool.h b/src/corelib/concurrent/qthreadpool.h
new file mode 100644
index 0000000000..f3dd96c372
--- /dev/null
+++ b/src/corelib/concurrent/qthreadpool.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTHREADPOOL_H
+#define QTHREADPOOL_H
+
+#include <QtCore/qglobal.h>
+
+#include <QtCore/qthread.h>
+#include <QtCore/qrunnable.h>
+
+#ifndef QT_NO_THREAD
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QThreadPoolPrivate;
+class Q_CORE_EXPORT QThreadPool : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QThreadPool)
+    Q_PROPERTY(int expiryTimeout READ expiryTimeout WRITE setExpiryTimeout)
+    Q_PROPERTY(int maxThreadCount READ maxThreadCount WRITE setMaxThreadCount)
+    Q_PROPERTY(int activeThreadCount READ activeThreadCount)
+    friend class QFutureInterfaceBase;
+
+public:
+    QThreadPool(QObject *parent = 0);
+    ~QThreadPool();
+
+    static QThreadPool *globalInstance();
+
+    void start(QRunnable *runnable, int priority = 0);
+    bool tryStart(QRunnable *runnable);
+
+    int expiryTimeout() const;
+    void setExpiryTimeout(int expiryTimeout);
+
+    int maxThreadCount() const;
+    void setMaxThreadCount(int maxThreadCount);
+
+    int activeThreadCount() const;
+
+    void reserveThread();
+    void releaseThread();
+
+    void waitForDone();
+};
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_THREAD
+
+#endif
diff --git a/src/corelib/concurrent/qthreadpool_p.h b/src/corelib/concurrent/qthreadpool_p.h
new file mode 100644
index 0000000000..6948ee14a9
--- /dev/null
+++ b/src/corelib/concurrent/qthreadpool_p.h
@@ -0,0 +1,107 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTHREADPOOL_P_H
+#define QTHREADPOOL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+//
+
+#include "QtCore/qmutex.h"
+#include "QtCore/qwaitcondition.h"
+#include "QtCore/qset.h"
+#include "QtCore/qqueue.h"
+#include "private/qobject_p.h"
+
+#ifndef QT_NO_THREAD
+
+QT_BEGIN_NAMESPACE
+
+class QThreadPoolThread;
+class QThreadPoolPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QThreadPool)
+    friend class QThreadPoolThread;
+
+public:
+    QThreadPoolPrivate();
+
+    bool tryStart(QRunnable *task);
+    void enqueueTask(QRunnable *task, int priority = 0);
+    int activeThreadCount() const;
+
+    void tryToStartMoreThreads();
+    bool tooManyThreadsActive() const;
+
+    void startThread(QRunnable *runnable = 0);
+    void reset();
+    void waitForDone();
+    bool startFrontRunnable();
+    void stealRunnable(QRunnable *);
+
+    mutable QMutex mutex;
+    QWaitCondition runnableReady;
+    QSet<QThreadPoolThread *> allThreads;
+    QQueue<QThreadPoolThread *> expiredThreads;
+    QList<QPair<QRunnable *, int> > queue;
+    QWaitCondition noActiveThreads;
+
+    bool isExiting;
+    int expiryTimeout;
+    int maxThreadCount;
+    int reservedThreads;
+    int waitingThreads;
+    int activeThreads;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
+#endif
diff --git a/src/corelib/corelib.pro b/src/corelib/corelib.pro
new file mode 100644
index 0000000000..f99d57f64e
--- /dev/null
+++ b/src/corelib/corelib.pro
@@ -0,0 +1,28 @@
+TARGET	   = QtCore
+QPRO_PWD   = $$PWD
+QT         =
+DEFINES   += QT_BUILD_CORE_LIB QT_NO_USING_NAMESPACE
+win32-msvc*|win32-icc:QMAKE_LFLAGS += /BASE:0x67000000
+
+include(../qbase.pri)
+include(arch/arch.pri)
+include(concurrent/concurrent.pri)
+include(global/global.pri)
+include(thread/thread.pri)
+include(tools/tools.pri)
+include(io/io.pri)
+include(plugin/plugin.pri)
+include(kernel/kernel.pri)
+include(codecs/codecs.pri)
+include(xml/xml.pri)
+
+mac|darwin:LIBS += -framework ApplicationServices
+
+mac:lib_bundle:DEFINES += QT_NO_DEBUG_PLUGIN_CHECK
+win32:DEFINES-=QT_NO_CAST_TO_ASCII
+
+QMAKE_LIBS += $$QMAKE_LIBS_CORE
+
+QMAKE_DYNAMIC_LIST_FILE = $$PWD/QtCore.dynlist
+
+contains(DEFINES,QT_EVAL):include(eval.pri)
diff --git a/src/corelib/global/global.pri b/src/corelib/global/global.pri
new file mode 100644
index 0000000000..8991379f44
--- /dev/null
+++ b/src/corelib/global/global.pri
@@ -0,0 +1,21 @@
+# Qt kernel library base module
+linux-g++*:QMAKE_LFLAGS += -Wl,-e,qt_core_init_boilerplate
+
+HEADERS +=  \
+	global/qglobal.h \
+	global/qnamespace.h \
+        global/qendian.h \
+        global/qnumeric_p.h \
+        global/qnumeric.h
+
+SOURCES += \
+	global/qglobal.cpp \
+        global/qlibraryinfo.cpp \
+	global/qmalloc.cpp \
+        global/qnumeric.cpp
+
+# qlibraryinfo.cpp includes qconfig.cpp
+INCLUDEPATH += $$QT_BUILD_TREE/src/corelib/global
+
+# Only used on platforms with CONFIG += precompile_header
+PRECOMPILED_HEADER = global/qt_pch.h
diff --git a/src/corelib/global/qconfig-dist.h b/src/corelib/global/qconfig-dist.h
new file mode 100644
index 0000000000..6868f92795
--- /dev/null
+++ b/src/corelib/global/qconfig-dist.h
@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+/*
+ Empty leaves all features enabled. See doc/html/emb-features.html for choices.
+
+ Note that disabling some features will produce a libqt that is not
+ compatible with other libqt builds. Such modifications are only
+ supported on Qt for Embedded Linux where reducing the library size is
+ important and where the application suite is often a fixed set.
+*/
diff --git a/src/corelib/global/qconfig-large.h b/src/corelib/global/qconfig-large.h
new file mode 100644
index 0000000000..f1deb14de8
--- /dev/null
+++ b/src/corelib/global/qconfig-large.h
@@ -0,0 +1,173 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/* Dialogs */
+#ifndef QT_NO_FILEDIALOG
+#  define QT_NO_FILEDIALOG
+#endif
+#ifndef QT_NO_FONTDIALOG
+#  define QT_NO_FONTDIALOG
+#endif
+#ifndef QT_NO_INPUTDIALOG
+#  define QT_NO_INPUTDIALOG
+#endif
+#ifndef QT_NO_PRINTDIALOG
+#  define QT_NO_PRINTDIALOG
+#endif
+#ifndef QT_NO_PROGRESSDIALOG
+#  define QT_NO_PROGRESSDIALOG
+#endif
+
+/* Fonts */
+#ifndef QT_NO_QWS_QPF
+#  define QT_NO_QWS_QPF
+#endif
+
+/* Images */
+#ifndef QT_NO_IMAGEFORMAT_BMP
+#  define QT_NO_IMAGEFORMAT_BMP
+#endif
+#ifndef QT_NO_IMAGEFORMAT_PPM
+#  define QT_NO_IMAGEFORMAT_PPM
+#endif
+
+/* Internationalization */
+#ifndef QT_NO_CODECS
+#  define QT_NO_CODECS
+#endif
+#ifndef QT_NO_TRANSLATION
+#  define QT_NO_TRANSLATION
+#endif
+#ifndef QT_NO_TRANSLATION_UTF8
+#  define QT_NO_TRANSLATION_UTF8
+#endif
+
+/* ItemViews */
+#ifndef QT_NO_TABLEVIEW
+#  define QT_NO_TABLEVIEW
+#endif
+#ifndef QT_NO_TREEVIEW
+#  define QT_NO_TREEVIEW
+#endif
+
+/* Kernel */
+#ifndef QT_NO_CLIPBOARD
+#  define QT_NO_CLIPBOARD
+#endif
+#ifndef QT_NO_DRAGANDDROP
+#  define QT_NO_DRAGANDDROP
+#endif
+#ifndef QT_NO_EFFECTS
+#  define QT_NO_EFFECTS
+#endif
+#ifndef QT_NO_PROPERTIES
+#  define QT_NO_PROPERTIES
+#endif
+#ifndef QT_NO_SOUND
+#  define QT_NO_SOUND
+#endif
+
+/* Networking */
+#ifndef QT_NO_HOSTINFO
+#  define QT_NO_HOSTINFO
+#endif
+#ifndef QT_NO_HTTP
+#  define QT_NO_HTTP
+#endif
+#ifndef QT_NO_UDPSOCKET
+#  define QT_NO_UDPSOCKET
+#endif
+#ifndef QT_NO_URLINFO
+#  define QT_NO_URLINFO
+#endif
+#ifndef QT_NO_FTP
+#  define QT_NO_FTP
+#endif
+
+/* Painting */
+#ifndef QT_NO_COLORNAMES
+#  define QT_NO_COLORNAMES
+#endif
+#ifndef QT_NO_PICTURE
+#  define QT_NO_PICTURE
+#endif
+#ifndef QT_NO_PRINTER
+#  define QT_NO_PRINTER
+#endif
+#ifndef QT_NO_CUPS
+#  define QT_NO_CUPS
+#endif
+
+/* Qt for Embedded Linux */
+#ifndef QT_NO_QWS_SOUNDSERVER
+#  define QT_NO_QWS_SOUNDSERVER
+#endif
+
+/* Styles */
+#ifndef QT_NO_STYLE_MOTIF
+#  define QT_NO_STYLE_MOTIF
+#endif
+#ifndef QT_NO_STYLE_CDE
+#  define QT_NO_STYLE_CDE
+#endif
+#ifndef QT_NO_STYLE_STYLESHEET
+#  define QT_NO_STYLE_STYLESHEET
+#endif
+
+/* Widgets */
+#ifndef QT_NO_CALENDARWIDGET
+#  define QT_NO_CALENDARWIDGET
+#endif
+#ifndef QT_NO_DATETIMEEDIT
+#  define QT_NO_DATETIMEEDIT
+#endif
+#ifndef QT_NO_WORKSPACE
+#  define QT_NO_WORKSPACE
+#endif
+#ifndef QT_NO_DIAL
+#  define QT_NO_DIAL
+#endif
+#ifndef QT_NO_TABLEWIDGET
+#  define QT_NO_TABLEWIDGET
+#endif
+#ifndef QT_NO_TREEWIDGET
+#  define QT_NO_TREEWIDGET
+#endif
diff --git a/src/corelib/global/qconfig-medium.h b/src/corelib/global/qconfig-medium.h
new file mode 100644
index 0000000000..b4ec70bbf0
--- /dev/null
+++ b/src/corelib/global/qconfig-medium.h
@@ -0,0 +1,294 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/* Dialogs */
+#ifndef QT_NO_COLORDIALOG
+#  define QT_NO_COLORDIALOG
+#endif
+#ifndef QT_NO_FILEDIALOG
+#  define QT_NO_FILEDIALOG
+#endif
+#ifndef QT_NO_FONTDIALOG
+#  define QT_NO_FONTDIALOG
+#endif
+#ifndef QT_NO_INPUTDIALOG
+#  define QT_NO_INPUTDIALOG
+#endif
+#ifndef QT_NO_PRINTDIALOG
+#  define QT_NO_PRINTDIALOG
+#endif
+#ifndef QT_NO_PROGRESSDIALOG
+#  define QT_NO_PROGRESSDIALOG
+#endif
+#ifndef QT_NO_TABDIALOG
+#  define QT_NO_TABDIALOG
+#endif
+
+/* Fonts */
+#ifndef QT_NO_QWS_QPF
+#  define QT_NO_QWS_QPF
+#endif
+
+/* Images */
+#ifndef QT_NO_IMAGEFORMAT_BMP
+#  define QT_NO_IMAGEFORMAT_BMP
+#endif
+#ifndef QT_NO_IMAGEFORMAT_PPM
+#  define QT_NO_IMAGEFORMAT_PPM
+#endif
+#ifndef QT_NO_IMAGE_TEXT
+#  define QT_NO_IMAGE_TEXT
+#endif
+#ifndef QT_NO_MOVIE
+#  define QT_NO_MOVIE
+#endif
+
+/* Internationalization */
+#ifndef QT_NO_BIG_CODECS
+#  define QT_NO_BIG_CODECS
+#endif
+#ifndef QT_NO_TEXTCODEC
+#  define QT_NO_TEXTCODEC
+#endif
+#ifndef QT_NO_CODECS
+#  define QT_NO_CODECS
+#endif
+#ifndef QT_NO_TEXTCODECPLUGIN
+#  define QT_NO_TEXTCODECPLUGIN
+#endif
+#ifndef QT_NO_TRANSLATION
+#  define QT_NO_TRANSLATION
+#endif
+#ifndef QT_NO_TRANSLATION_UTF8
+#  define QT_NO_TRANSLATION_UTF8
+#endif
+
+/* ItemViews */
+#ifndef QT_NO_TABLEVIEW
+#  define QT_NO_TABLEVIEW
+#endif
+#ifndef QT_NO_TREEVIEW
+#  define QT_NO_TREEVIEW
+#endif
+
+/* Kernel */
+#ifndef QT_NO_ACTION
+#  define QT_NO_ACTION
+#endif
+#ifndef QT_NO_CLIPBOARD
+#  define QT_NO_CLIPBOARD
+#endif
+#ifndef QT_NO_DRAGANDDROP
+#  define QT_NO_DRAGANDDROP
+#endif
+#ifndef QT_NO_EFFECTS
+#  define QT_NO_EFFECTS
+#endif
+#ifndef QT_NO_PROPERTIES
+#  define QT_NO_PROPERTIES
+#endif
+#ifndef QT_NO_SESSIONMANAGER
+#  define QT_NO_SESSIONMANAGER
+#endif
+#ifndef QT_NO_SHORTCUT
+#  define QT_NO_SHORTCUT
+#endif
+#ifndef QT_NO_SOUND
+#  define QT_NO_SOUND
+#endif
+#ifndef QT_NO_WHEELEVENT
+#  define QT_NO_WHEELEVENT
+#endif
+
+/* Networking */
+#ifndef QT_NO_COP
+#  define QT_NO_COP
+#endif
+#ifndef QT_NO_HOSTINFO
+#  define QT_NO_HOSTINFO
+#endif
+#ifndef QT_NO_HTTP
+#  define QT_NO_HTTP
+#endif
+#ifndef QT_NO_NETWORKPROXY
+#  define QT_NO_NETWORKPROXY
+#endif
+#ifndef QT_NO_SOCKS5
+#  define QT_NO_SOCKS5
+#endif
+#ifndef QT_NO_UDPSOCKET
+#  define QT_NO_UDPSOCKET
+#endif
+#ifndef QT_NO_URLINFO
+#  define QT_NO_URLINFO
+#endif
+#ifndef QT_NO_FTP
+#  define QT_NO_FTP
+#endif
+
+/* Painting */
+#ifndef QT_NO_COLORNAMES
+#  define QT_NO_COLORNAMES
+#endif
+#ifndef QT_NO_PICTURE
+#  define QT_NO_PICTURE
+#endif
+#ifndef QT_NO_PRINTER
+#  define QT_NO_PRINTER
+#endif
+#ifndef QT_NO_CUPS
+#  define QT_NO_CUPS
+#endif
+
+/* Qt for Embedded Linux */
+#ifndef QT_NO_QWSEMBEDWIDGET
+#  define QT_NO_QWSEMBEDWIDGET
+#endif
+#ifndef QT_NO_QWS_SOUNDSERVER
+#  define QT_NO_QWS_SOUNDSERVER
+#endif
+#ifndef QT_NO_QWS_PROPERTIES
+#  define QT_NO_QWS_PROPERTIES
+#endif
+
+/* Styles */
+#ifndef QT_NO_STYLE_MOTIF
+#  define QT_NO_STYLE_MOTIF
+#endif
+#ifndef QT_NO_STYLE_CDE
+#  define QT_NO_STYLE_CDE
+#endif
+#ifndef QT_NO_STYLE_STYLESHEET
+#  define QT_NO_STYLE_STYLESHEET
+#endif
+
+/* Utilities */
+#ifndef QT_NO_UNDOCOMMAND
+#  define QT_NO_UNDOCOMMAND
+#endif
+#ifndef QT_NO_UNDOGROUP
+#  define QT_NO_UNDOGROUP
+#endif
+#ifndef QT_NO_UNDOSTACK
+#  define QT_NO_UNDOSTACK
+#endif
+#ifndef QT_NO_UNDOVIEW
+#  define QT_NO_UNDOVIEW
+#endif
+
+/* Widgets */
+#ifndef QT_NO_LCDNUMBER
+#  define QT_NO_LCDNUMBER
+#endif
+#ifndef QT_NO_CALENDARWIDGET
+#  define QT_NO_CALENDARWIDGET
+#endif
+#ifndef QT_NO_DATETIMEEDIT
+#  define QT_NO_DATETIMEEDIT
+#endif
+#ifndef QT_NO_MENU
+#  define QT_NO_MENU
+#endif
+#ifndef QT_NO_CONTEXTMENU
+#  define QT_NO_CONTEXTMENU
+#endif
+#ifndef QT_NO_MAINWINDOW
+#  define QT_NO_MAINWINDOW
+#endif
+#ifndef QT_NO_DOCKWIDGET
+#  define QT_NO_DOCKWIDGET
+#endif
+#ifndef QT_NO_TOOLBAR
+#  define QT_NO_TOOLBAR
+#endif
+#ifndef QT_NO_MENUBAR
+#  define QT_NO_MENUBAR
+#endif
+#ifndef QT_NO_WORKSPACE
+#  define QT_NO_WORKSPACE
+#endif
+#ifndef QT_NO_PROGRESSBAR
+#  define QT_NO_PROGRESSBAR
+#endif
+#ifndef QT_NO_SIZEGRIP
+#  define QT_NO_SIZEGRIP
+#endif
+#ifndef QT_NO_DIAL
+#  define QT_NO_DIAL
+#endif
+#ifndef QT_NO_STACKEDWIDGET
+#  define QT_NO_STACKEDWIDGET
+#endif
+#ifndef QT_NO_TABWIDGET
+#  define QT_NO_TABWIDGET
+#endif
+#ifndef QT_NO_STATUSBAR
+#  define QT_NO_STATUSBAR
+#endif
+#ifndef QT_NO_STATUSTIP
+#  define QT_NO_STATUSTIP
+#endif
+#ifndef QT_NO_TABLEWIDGET
+#  define QT_NO_TABLEWIDGET
+#endif
+#ifndef QT_NO_TOOLBUTTON
+#  define QT_NO_TOOLBUTTON
+#endif
+#ifndef QT_NO_TABBAR
+#  define QT_NO_TABBAR
+#endif
+#ifndef QT_NO_TOOLBOX
+#  define QT_NO_TOOLBOX
+#endif
+#ifndef QT_NO_WHATSTHIS
+#  define QT_NO_WHATSTHIS
+#endif
+#ifndef QT_NO_TOOLTIP
+#  define QT_NO_TOOLTIP
+#endif
+#ifndef QT_NO_TREEWIDGET
+#  define QT_NO_TREEWIDGET
+#endif
+
+/* Windows */
+#ifndef QT_NO_WIN_ACTIVEQT
+#  define QT_NO_WIN_ACTIVEQT
+#endif
diff --git a/src/corelib/global/qconfig-minimal.h b/src/corelib/global/qconfig-minimal.h
new file mode 100644
index 0000000000..265c26b4bf
--- /dev/null
+++ b/src/corelib/global/qconfig-minimal.h
@@ -0,0 +1,603 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/* Data structures */
+#ifndef QT_NO_QUUID_STRING
+#  define QT_NO_QUUID_STRING
+#endif
+#ifndef QT_NO_STL
+#  define QT_NO_STL
+#endif
+#ifndef QT_NO_TEXTDATE
+#  define QT_NO_TEXTDATE
+#endif
+#ifndef QT_NO_DATESTRING
+#  define QT_NO_DATESTRING
+#endif
+
+/* Dialogs */
+#ifndef QT_NO_COLORDIALOG
+#  define QT_NO_COLORDIALOG
+#endif
+#ifndef QT_NO_ERRORMESSAGE
+#  define QT_NO_ERRORMESSAGE
+#endif
+#ifndef QT_NO_FILEDIALOG
+#  define QT_NO_FILEDIALOG
+#endif
+#ifndef QT_NO_FONTDIALOG
+#  define QT_NO_FONTDIALOG
+#endif
+#ifndef QT_NO_INPUTDIALOG
+#  define QT_NO_INPUTDIALOG
+#endif
+#ifndef QT_NO_MESSAGEBOX
+#  define QT_NO_MESSAGEBOX
+#endif
+#ifndef QT_NO_PRINTDIALOG
+#  define QT_NO_PRINTDIALOG
+#endif
+#ifndef QT_NO_PRINTPREVIEWDIALOG
+#  define QT_NO_PRINTPREVIEWDIALOG
+#endif
+#ifndef QT_NO_PROGRESSDIALOG
+#  define QT_NO_PROGRESSDIALOG
+#endif
+#ifndef QT_NO_TABDIALOG
+#  define QT_NO_TABDIALOG
+#endif
+#ifndef QT_NO_WIZARD
+#  define QT_NO_WIZARD
+#endif
+
+/* File I/O */
+#ifndef QT_NO_DOM
+#  define QT_NO_DOM
+#endif
+#ifndef QT_NO_FILESYSTEMWATCHER
+#  define QT_NO_FILESYSTEMWATCHER
+#endif
+#ifndef QT_NO_FILESYSTEMMODEL
+#  define QT_NO_FILESYSTEMMODEL
+#endif
+#ifndef QT_NO_PROCESS
+#  define QT_NO_PROCESS
+#endif
+#ifndef QT_NO_TEMPORARYFILE
+#  define QT_NO_TEMPORARYFILE
+#endif
+#ifndef QT_NO_TEXTSTREAM
+#  define QT_NO_TEXTSTREAM
+#endif
+#ifndef QT_NO_SETTINGS
+#  define QT_NO_SETTINGS
+#endif
+#ifndef QT_NO_LIBRARY
+#  define QT_NO_LIBRARY
+#endif
+
+/* Fonts */
+#ifndef QT_NO_FREETYPE
+#  define QT_NO_FREETYPE
+#endif
+#ifndef QT_NO_QWS_QPF2
+#  define QT_NO_QWS_QPF2
+#endif
+
+/* Images */
+#ifndef QT_NO_ICON
+#  define QT_NO_ICON
+#endif
+#ifndef QT_NO_IMAGEFORMATPLUGIN
+#  define QT_NO_IMAGEFORMATPLUGIN
+#endif
+#ifndef QT_NO_IMAGEFORMAT_BMP
+#  define QT_NO_IMAGEFORMAT_BMP
+#endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+#  define QT_NO_IMAGEFORMAT_JPEG
+#endif
+#ifndef QT_NO_IMAGEFORMAT_PNG
+#  define QT_NO_IMAGEFORMAT_PNG
+#endif
+#ifndef QT_NO_IMAGEFORMAT_PPM
+#  define QT_NO_IMAGEFORMAT_PPM
+#endif
+#ifndef QT_NO_IMAGEFORMAT_XBM
+#  define QT_NO_IMAGEFORMAT_XBM
+#endif
+#ifndef QT_NO_IMAGEFORMAT_XPM
+#  define QT_NO_IMAGEFORMAT_XPM
+#endif
+#ifndef QT_NO_IMAGE_HEURISTIC_MASK
+#  define QT_NO_IMAGE_HEURISTIC_MASK
+#endif
+#ifndef QT_NO_IMAGE_TEXT
+#  define QT_NO_IMAGE_TEXT
+#endif
+#ifndef QT_NO_MOVIE
+#  define QT_NO_MOVIE
+#endif
+
+/* Internationalization */
+#ifndef QT_NO_BIG_CODECS
+#  define QT_NO_BIG_CODECS
+#endif
+#ifndef QT_NO_QWS_INPUTMETHODS
+#  define QT_NO_QWS_INPUTMETHODS
+#endif
+#ifndef QT_NO_TEXTCODEC
+#  define QT_NO_TEXTCODEC
+#endif
+#ifndef QT_NO_CODECS
+#  define QT_NO_CODECS
+#endif
+#ifndef QT_NO_TEXTCODECPLUGIN
+#  define QT_NO_TEXTCODECPLUGIN
+#endif
+#ifndef QT_NO_TRANSLATION
+#  define QT_NO_TRANSLATION
+#endif
+#ifndef QT_NO_TRANSLATION_UTF8
+#  define QT_NO_TRANSLATION_UTF8
+#endif
+
+/* ItemViews */
+#ifndef QT_NO_ITEMVIEWS
+#  define QT_NO_ITEMVIEWS
+#endif
+#ifndef QT_NO_DATAWIDGETMAPPER
+#  define QT_NO_DATAWIDGETMAPPER
+#endif
+#ifndef QT_NO_DIRMODEL
+#  define QT_NO_DIRMODEL
+#endif
+#ifndef QT_NO_LISTVIEW
+#  define QT_NO_LISTVIEW
+#endif
+#ifndef QT_NO_COLUMNVIEW
+#  define QT_NO_COLUMNVIEW
+#endif
+#ifndef QT_NO_PROXYMODEL
+#  define QT_NO_PROXYMODEL
+#endif
+#ifndef QT_NO_SORTFILTERPROXYMODEL
+#  define QT_NO_SORTFILTERPROXYMODEL
+#endif
+#ifndef QT_NO_STANDARDITEMMODEL
+#  define QT_NO_STANDARDITEMMODEL
+#endif
+#ifndef QT_NO_STRINGLISTMODEL
+#  define QT_NO_STRINGLISTMODEL
+#endif
+#ifndef QT_NO_TABLEVIEW
+#  define QT_NO_TABLEVIEW
+#endif
+#ifndef QT_NO_TREEVIEW
+#  define QT_NO_TREEVIEW
+#endif
+
+/* Kernel */
+#ifndef QT_NO_ACTION
+#  define QT_NO_ACTION
+#endif
+#ifndef QT_NO_CLIPBOARD
+#  define QT_NO_CLIPBOARD
+#endif
+#ifndef QT_NO_CSSPARSER
+#  define QT_NO_CSSPARSER
+#endif
+#ifndef QT_NO_CURSOR
+#  define QT_NO_CURSOR
+#endif
+#ifndef QT_NO_DRAGANDDROP
+#  define QT_NO_DRAGANDDROP
+#endif
+#ifndef QT_NO_EFFECTS
+#  define QT_NO_EFFECTS
+#endif
+#ifndef QT_NO_PROPERTIES
+#  define QT_NO_PROPERTIES
+#endif
+#ifndef QT_NO_SESSIONMANAGER
+#  define QT_NO_SESSIONMANAGER
+#endif
+#ifndef QT_NO_SHAREDMEMORY
+#  define QT_NO_SHAREDMEMORY
+#endif
+#ifndef QT_NO_SHORTCUT
+#  define QT_NO_SHORTCUT
+#endif
+#ifndef QT_NO_SOUND
+#  define QT_NO_SOUND
+#endif
+#ifndef QT_NO_SYSTEMSEMAPHORE
+#  define QT_NO_SYSTEMSEMAPHORE
+#endif
+#ifndef QT_NO_TABLETEVENT
+#  define QT_NO_TABLETEVENT
+#endif
+#ifndef QT_NO_TEXTHTMLPARSER
+#  define QT_NO_TEXTHTMLPARSER
+#endif
+#ifndef QT_NO_THREAD
+#  define QT_NO_THREAD
+#endif
+#ifndef QT_NO_CONCURRENT
+#  define QT_NO_CONCURRENT
+#endif
+#ifndef QT_NO_WHEELEVENT
+#  define QT_NO_WHEELEVENT
+#endif
+#ifndef QT_NO_XMLSTREAM
+#  define QT_NO_XMLSTREAM
+#endif
+#ifndef QT_NO_XMLSTREAMREADER
+#  define QT_NO_XMLSTREAMREADER
+#endif
+#ifndef QT_NO_XMLSTREAMWRITER
+#  define QT_NO_XMLSTREAMWRITER
+#endif
+
+/* Networking */
+#ifndef QT_NO_COP
+#  define QT_NO_COP
+#endif
+#ifndef QT_NO_HOSTINFO
+#  define QT_NO_HOSTINFO
+#endif
+#ifndef QT_NO_HTTP
+#  define QT_NO_HTTP
+#endif
+#ifndef QT_NO_NETWORKPROXY
+#  define QT_NO_NETWORKPROXY
+#endif
+#ifndef QT_NO_SOCKS5
+#  define QT_NO_SOCKS5
+#endif
+#ifndef QT_NO_UDPSOCKET
+#  define QT_NO_UDPSOCKET
+#endif
+#ifndef QT_NO_URLINFO
+#  define QT_NO_URLINFO
+#endif
+#ifndef QT_NO_FTP
+#  define QT_NO_FTP
+#endif
+
+/* Painting */
+#ifndef QT_NO_COLORNAMES
+#  define QT_NO_COLORNAMES
+#endif
+#ifndef QT_NO_DIRECTPAINTER
+#  define QT_NO_DIRECTPAINTER
+#endif
+#ifndef QT_NO_PAINTONSCREEN
+#  define QT_NO_PAINTONSCREEN
+#endif
+#ifndef QT_NO_PAINT_DEBUG
+#  define QT_NO_PAINT_DEBUG
+#endif
+#ifndef QT_NO_PICTURE
+#  define QT_NO_PICTURE
+#endif
+#ifndef QT_NO_PRINTER
+#  define QT_NO_PRINTER
+#endif
+#ifndef QT_NO_CUPS
+#  define QT_NO_CUPS
+#endif
+
+/* Qt for Embedded Linux */
+#ifndef QT_NO_QWSEMBEDWIDGET
+#  define QT_NO_QWSEMBEDWIDGET
+#endif
+#ifndef QT_NO_QWS_ALPHA_CURSOR
+#  define QT_NO_QWS_ALPHA_CURSOR
+#endif
+#ifndef QT_NO_QWS_CURSOR
+#  define QT_NO_QWS_CURSOR
+#endif
+#ifndef QT_NO_QWS_DECORATION_DEFAULT
+#  define QT_NO_QWS_DECORATION_DEFAULT
+#endif
+#ifndef QT_NO_QWS_DECORATION_STYLED
+#  define QT_NO_QWS_DECORATION_STYLED
+#endif
+#ifndef QT_NO_QWS_DECORATION_WINDOWS
+#  define QT_NO_QWS_DECORATION_WINDOWS
+#endif
+#ifndef QT_NO_QWS_MANAGER
+#  define QT_NO_QWS_MANAGER
+#endif
+#ifndef QT_NO_QWS_KEYBOARD
+#  define QT_NO_QWS_KEYBOARD
+#endif
+#ifndef QT_NO_QWS_MOUSE
+#  define QT_NO_QWS_MOUSE
+#endif
+#ifndef QT_NO_QWS_MOUSE_AUTO
+#  define QT_NO_QWS_MOUSE_AUTO
+#endif
+#ifndef QT_NO_QWS_MOUSE_MANUAL
+#  define QT_NO_QWS_MOUSE_MANUAL
+#endif
+#ifndef QT_NO_QWS_MULTIPROCESS
+#  define QT_NO_QWS_MULTIPROCESS
+#endif
+#ifndef QT_NO_QWS_SOUNDSERVER
+#  define QT_NO_QWS_SOUNDSERVER
+#endif
+#ifndef QT_NO_SXE
+#  define QT_NO_SXE
+#endif
+#ifndef QT_NO_QWS_PROPERTIES
+#  define QT_NO_QWS_PROPERTIES
+#endif
+#ifndef QT_NO_QWS_PROXYSCREEN
+#  define QT_NO_QWS_PROXYSCREEN
+#endif
+#ifndef QT_NO_QWS_DYNAMICSCREENTRANSFORMATION
+#  define QT_NO_QWS_DYNAMICSCREENTRANSFORMATION
+#endif
+
+/* SVG */
+#ifndef QT_NO_SVG
+#  define QT_NO_SVG
+#endif
+#ifndef QT_NO_GRAPHICSSVGITEM
+#  define QT_NO_GRAPHICSSVGITEM
+#endif
+#ifndef QT_NO_SVGGENERATOR
+#  define QT_NO_SVGGENERATOR
+#endif
+#ifndef QT_NO_SVGRENDERER
+#  define QT_NO_SVGRENDERER
+#endif
+#ifndef QT_NO_SVGWIDGET
+#  define QT_NO_SVGWIDGET
+#endif
+
+/* Styles */
+#ifndef QT_NO_STYLE_MOTIF
+#  define QT_NO_STYLE_MOTIF
+#endif
+#ifndef QT_NO_STYLE_CDE
+#  define QT_NO_STYLE_CDE
+#endif
+#ifndef QT_NO_STYLE_CLEANLOOKS
+#  define QT_NO_STYLE_CLEANLOOKS
+#endif
+#ifndef QT_NO_STYLE_PLASTIQUE
+#  define QT_NO_STYLE_PLASTIQUE
+#endif
+#ifndef QT_NO_STYLE_STYLESHEET
+#  define QT_NO_STYLE_STYLESHEET
+#endif
+#ifndef QT_NO_STYLE_WINDOWSCE
+#  define QT_NO_STYLE_WINDOWSCE
+#endif
+#ifndef QT_NO_STYLE_WINDOWSMOBILE
+#  define QT_NO_STYLE_WINDOWSMOBILE
+#endif
+#ifndef QT_NO_STYLE_WINDOWSVISTA
+#  define QT_NO_STYLE_WINDOWSVISTA
+#endif
+#ifndef QT_NO_STYLE_WINDOWSXP
+#  define QT_NO_STYLE_WINDOWSXP
+#endif
+
+/* Utilities */
+#ifndef QT_NO_ACCESSIBILITY
+#  define QT_NO_ACCESSIBILITY
+#endif
+#ifndef QT_NO_COMPLETER
+#  define QT_NO_COMPLETER
+#endif
+#ifndef QT_NO_DESKTOPSERVICES
+#  define QT_NO_DESKTOPSERVICES
+#endif
+#ifndef QT_NO_SCRIPT
+#  define QT_NO_SCRIPT
+#endif
+#ifndef QT_NO_SYSTEMTRAYICON
+#  define QT_NO_SYSTEMTRAYICON
+#endif
+#ifndef QT_NO_UNDOCOMMAND
+#  define QT_NO_UNDOCOMMAND
+#endif
+#ifndef QT_NO_UNDOGROUP
+#  define QT_NO_UNDOGROUP
+#endif
+#ifndef QT_NO_UNDOSTACK
+#  define QT_NO_UNDOSTACK
+#endif
+#ifndef QT_NO_UNDOVIEW
+#  define QT_NO_UNDOVIEW
+#endif
+
+/* Widgets */
+#ifndef QT_NO_GROUPBOX
+#  define QT_NO_GROUPBOX
+#endif
+#ifndef QT_NO_BUTTONGROUP
+#  define QT_NO_BUTTONGROUP
+#endif
+#ifndef QT_NO_LCDNUMBER
+#  define QT_NO_LCDNUMBER
+#endif
+#ifndef QT_NO_LINEEDIT
+#  define QT_NO_LINEEDIT
+#endif
+#ifndef QT_NO_COMBOBOX
+#  define QT_NO_COMBOBOX
+#endif
+#ifndef QT_NO_FONTCOMBOBOX
+#  define QT_NO_FONTCOMBOBOX
+#endif
+#ifndef QT_NO_SPINBOX
+#  define QT_NO_SPINBOX
+#endif
+#ifndef QT_NO_CALENDARWIDGET
+#  define QT_NO_CALENDARWIDGET
+#endif
+#ifndef QT_NO_DATETIMEEDIT
+#  define QT_NO_DATETIMEEDIT
+#endif
+#ifndef QT_NO_LISTWIDGET
+#  define QT_NO_LISTWIDGET
+#endif
+#ifndef QT_NO_MENU
+#  define QT_NO_MENU
+#endif
+#ifndef QT_NO_CONTEXTMENU
+#  define QT_NO_CONTEXTMENU
+#endif
+#ifndef QT_NO_MAINWINDOW
+#  define QT_NO_MAINWINDOW
+#endif
+#ifndef QT_NO_DOCKWIDGET
+#  define QT_NO_DOCKWIDGET
+#endif
+#ifndef QT_NO_TOOLBAR
+#  define QT_NO_TOOLBAR
+#endif
+#ifndef QT_NO_MENUBAR
+#  define QT_NO_MENUBAR
+#endif
+#ifndef QT_NO_WORKSPACE
+#  define QT_NO_WORKSPACE
+#endif
+#ifndef QT_NO_PROGRESSBAR
+#  define QT_NO_PROGRESSBAR
+#endif
+#ifndef QT_NO_RESIZEHANDLER
+#  define QT_NO_RESIZEHANDLER
+#endif
+#ifndef QT_NO_RUBBERBAND
+#  define QT_NO_RUBBERBAND
+#endif
+#ifndef QT_NO_SPLITTER
+#  define QT_NO_SPLITTER
+#endif
+#ifndef QT_NO_SIGNALMAPPER
+#  define QT_NO_SIGNALMAPPER
+#endif
+#ifndef QT_NO_SIZEGRIP
+#  define QT_NO_SIZEGRIP
+#endif
+#ifndef QT_NO_SLIDER
+#  define QT_NO_SLIDER
+#endif
+#ifndef QT_NO_DIAL
+#  define QT_NO_DIAL
+#endif
+#ifndef QT_NO_SCROLLBAR
+#  define QT_NO_SCROLLBAR
+#endif
+#ifndef QT_NO_SCROLLAREA
+#  define QT_NO_SCROLLAREA
+#endif
+#ifndef QT_NO_GRAPHICSVIEW
+#  define QT_NO_GRAPHICSVIEW
+#endif
+#ifndef QT_NO_PRINTPREVIEWWIDGET
+#  define QT_NO_PRINTPREVIEWWIDGET
+#endif
+#ifndef QT_NO_MDIAREA
+#  define QT_NO_MDIAREA
+#endif
+#ifndef QT_NO_TEXTEDIT
+#  define QT_NO_TEXTEDIT
+#endif
+#ifndef QT_NO_SYNTAXHIGHLIGHTER
+#  define QT_NO_SYNTAXHIGHLIGHTER
+#endif
+#ifndef QT_NO_TEXTBROWSER
+#  define QT_NO_TEXTBROWSER
+#endif
+#ifndef QT_NO_SPINWIDGET
+#  define QT_NO_SPINWIDGET
+#endif
+#ifndef QT_NO_SPLASHSCREEN
+#  define QT_NO_SPLASHSCREEN
+#endif
+#ifndef QT_NO_STACKEDWIDGET
+#  define QT_NO_STACKEDWIDGET
+#endif
+#ifndef QT_NO_TABWIDGET
+#  define QT_NO_TABWIDGET
+#endif
+#ifndef QT_NO_STATUSBAR
+#  define QT_NO_STATUSBAR
+#endif
+#ifndef QT_NO_STATUSTIP
+#  define QT_NO_STATUSTIP
+#endif
+#ifndef QT_NO_TABLEWIDGET
+#  define QT_NO_TABLEWIDGET
+#endif
+#ifndef QT_NO_TOOLBUTTON
+#  define QT_NO_TOOLBUTTON
+#endif
+#ifndef QT_NO_TABBAR
+#  define QT_NO_TABBAR
+#endif
+#ifndef QT_NO_TOOLBOX
+#  define QT_NO_TOOLBOX
+#endif
+#ifndef QT_NO_WHATSTHIS
+#  define QT_NO_WHATSTHIS
+#endif
+#ifndef QT_NO_TOOLTIP
+#  define QT_NO_TOOLTIP
+#endif
+#ifndef QT_NO_TREEWIDGET
+#  define QT_NO_TREEWIDGET
+#endif
+#ifndef QT_NO_VALIDATOR
+#  define QT_NO_VALIDATOR
+#endif
+
+/* Windows */
+#ifndef QT_NO_WIN_ACTIVEQT
+#  define QT_NO_WIN_ACTIVEQT
+#endif
diff --git a/src/corelib/global/qconfig-small.h b/src/corelib/global/qconfig-small.h
new file mode 100644
index 0000000000..13b936180e
--- /dev/null
+++ b/src/corelib/global/qconfig-small.h
@@ -0,0 +1,332 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/* Data structures */
+#ifndef QT_NO_QUUID_STRING
+#  define QT_NO_QUUID_STRING
+#endif
+#ifndef QT_NO_STL
+#  define QT_NO_STL
+#endif
+
+/* Dialogs */
+#ifndef QT_NO_COLORDIALOG
+#  define QT_NO_COLORDIALOG
+#endif
+#ifndef QT_NO_ERRORMESSAGE
+#  define QT_NO_ERRORMESSAGE
+#endif
+#ifndef QT_NO_FILEDIALOG
+#  define QT_NO_FILEDIALOG
+#endif
+#ifndef QT_NO_FONTDIALOG
+#  define QT_NO_FONTDIALOG
+#endif
+#ifndef QT_NO_INPUTDIALOG
+#  define QT_NO_INPUTDIALOG
+#endif
+#ifndef QT_NO_MESSAGEBOX
+#  define QT_NO_MESSAGEBOX
+#endif
+#ifndef QT_NO_PRINTDIALOG
+#  define QT_NO_PRINTDIALOG
+#endif
+#ifndef QT_NO_PROGRESSDIALOG
+#  define QT_NO_PROGRESSDIALOG
+#endif
+#ifndef QT_NO_TABDIALOG
+#  define QT_NO_TABDIALOG
+#endif
+
+/* File I/O */
+#ifndef QT_NO_TEXTSTREAM
+#  define QT_NO_TEXTSTREAM
+#endif
+#ifndef QT_NO_SETTINGS
+#  define QT_NO_SETTINGS
+#endif
+#ifndef QT_NO_LIBRARY
+#  define QT_NO_LIBRARY
+#endif
+
+/* Fonts */
+#ifndef QT_NO_FREETYPE
+#  define QT_NO_FREETYPE
+#endif
+
+/* Images */
+#ifndef QT_NO_IMAGEFORMATPLUGIN
+#  define QT_NO_IMAGEFORMATPLUGIN
+#endif
+#ifndef QT_NO_IMAGEFORMAT_BMP
+#  define QT_NO_IMAGEFORMAT_BMP
+#endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+#  define QT_NO_IMAGEFORMAT_JPEG
+#endif
+#ifndef QT_NO_IMAGEFORMAT_PPM
+#  define QT_NO_IMAGEFORMAT_PPM
+#endif
+#ifndef QT_NO_IMAGEFORMAT_XBM
+#  define QT_NO_IMAGEFORMAT_XBM
+#endif
+#ifndef QT_NO_IMAGEFORMAT_XPM
+#  define QT_NO_IMAGEFORMAT_XPM
+#endif
+#ifndef QT_NO_IMAGE_TEXT
+#  define QT_NO_IMAGE_TEXT
+#endif
+#ifndef QT_NO_MOVIE
+#  define QT_NO_MOVIE
+#endif
+
+/* Internationalization */
+#ifndef QT_NO_QWS_INPUTMETHODS
+#  define QT_NO_QWS_INPUTMETHODS
+#endif
+#ifndef QT_NO_TEXTCODEC
+#  define QT_NO_TEXTCODEC
+#endif
+#ifndef QT_NO_CODECS
+#  define QT_NO_CODECS
+#endif
+#ifndef QT_NO_TEXTCODECPLUGIN
+#  define QT_NO_TEXTCODECPLUGIN
+#endif
+#ifndef QT_NO_TRANSLATION
+#  define QT_NO_TRANSLATION
+#endif
+#ifndef QT_NO_TRANSLATION_UTF8
+#  define QT_NO_TRANSLATION_UTF8
+#endif
+
+/* ItemViews */
+#ifndef QT_NO_DIRMODEL
+#  define QT_NO_DIRMODEL
+#endif
+#ifndef QT_NO_PROXYMODEL
+#  define QT_NO_PROXYMODEL
+#endif
+#ifndef QT_NO_SORTFILTERPROXYMODEL
+#  define QT_NO_SORTFILTERPROXYMODEL
+#endif
+#ifndef QT_NO_STRINGLISTMODEL
+#  define QT_NO_STRINGLISTMODEL
+#endif
+#ifndef QT_NO_TABLEVIEW
+#  define QT_NO_TABLEVIEW
+#endif
+#ifndef QT_NO_TREEVIEW
+#  define QT_NO_TREEVIEW
+#endif
+
+/* Kernel */
+#ifndef QT_NO_ACTION
+#  define QT_NO_ACTION
+#endif
+#ifndef QT_NO_CLIPBOARD
+#  define QT_NO_CLIPBOARD
+#endif
+#ifndef QT_NO_DRAGANDDROP
+#  define QT_NO_DRAGANDDROP
+#endif
+#ifndef QT_NO_EFFECTS
+#  define QT_NO_EFFECTS
+#endif
+#ifndef QT_NO_PROPERTIES
+#  define QT_NO_PROPERTIES
+#endif
+#ifndef QT_NO_SESSIONMANAGER
+#  define QT_NO_SESSIONMANAGER
+#endif
+#ifndef QT_NO_SHORTCUT
+#  define QT_NO_SHORTCUT
+#endif
+#ifndef QT_NO_SOUND
+#  define QT_NO_SOUND
+#endif
+#ifndef QT_NO_WHEELEVENT
+#  define QT_NO_WHEELEVENT
+#endif
+
+/* Networking */
+#ifndef QT_NO_COP
+#  define QT_NO_COP
+#endif
+#ifndef QT_NO_HOSTINFO
+#  define QT_NO_HOSTINFO
+#endif
+#ifndef QT_NO_HTTP
+#  define QT_NO_HTTP
+#endif
+
+/* Painting */
+#ifndef QT_NO_COLORNAMES
+#  define QT_NO_COLORNAMES
+#endif
+#ifndef QT_NO_PICTURE
+#  define QT_NO_PICTURE
+#endif
+#ifndef QT_NO_PRINTER
+#  define QT_NO_PRINTER
+#endif
+#ifndef QT_NO_CUPS
+#  define QT_NO_CUPS
+#endif
+
+/* Qt for Embedded Linux */
+#ifndef QT_NO_QWS_SOUNDSERVER
+#  define QT_NO_QWS_SOUNDSERVER
+#endif
+#ifndef QT_NO_QWS_PROPERTIES
+#  define QT_NO_QWS_PROPERTIES
+#endif
+
+/* Styles */
+#ifndef QT_NO_STYLE_MOTIF
+#  define QT_NO_STYLE_MOTIF
+#endif
+#ifndef QT_NO_STYLE_CDE
+#  define QT_NO_STYLE_CDE
+#endif
+#ifndef QT_NO_STYLE_CLEANLOOKS
+#  define QT_NO_STYLE_CLEANLOOKS
+#endif
+#ifndef QT_NO_STYLE_PLASTIQUE
+#  define QT_NO_STYLE_PLASTIQUE
+#endif
+#ifndef QT_NO_STYLE_STYLESHEET
+#  define QT_NO_STYLE_STYLESHEET
+#endif
+#ifndef QT_NO_STYLE_WINDOWSXP
+#  define QT_NO_STYLE_WINDOWSXP
+#endif
+
+/* Utilities */
+#ifndef QT_NO_COMPLETER
+#  define QT_NO_COMPLETER
+#endif
+#ifndef QT_NO_DESKTOPSERVICES
+#  define QT_NO_DESKTOPSERVICES
+#endif
+#ifndef QT_NO_SYSTEMTRAYICON
+#  define QT_NO_SYSTEMTRAYICON
+#endif
+
+/* Widgets */
+#ifndef QT_NO_LCDNUMBER
+#  define QT_NO_LCDNUMBER
+#endif
+#ifndef QT_NO_FONTCOMBOBOX
+#  define QT_NO_FONTCOMBOBOX
+#endif
+#ifndef QT_NO_SPINBOX
+#  define QT_NO_SPINBOX
+#endif
+#ifndef QT_NO_CALENDARWIDGET
+#  define QT_NO_CALENDARWIDGET
+#endif
+#ifndef QT_NO_DATETIMEEDIT
+#  define QT_NO_DATETIMEEDIT
+#endif
+#ifndef QT_NO_MENU
+#  define QT_NO_MENU
+#endif
+#ifndef QT_NO_CONTEXTMENU
+#  define QT_NO_CONTEXTMENU
+#endif
+#ifndef QT_NO_MAINWINDOW
+#  define QT_NO_MAINWINDOW
+#endif
+#ifndef QT_NO_DOCKWIDGET
+#  define QT_NO_DOCKWIDGET
+#endif
+#ifndef QT_NO_TOOLBAR
+#  define QT_NO_TOOLBAR
+#endif
+#ifndef QT_NO_MENUBAR
+#  define QT_NO_MENUBAR
+#endif
+#ifndef QT_NO_WORKSPACE
+#  define QT_NO_WORKSPACE
+#endif
+#ifndef QT_NO_PROGRESSBAR
+#  define QT_NO_PROGRESSBAR
+#endif
+#ifndef QT_NO_SPLITTER
+#  define QT_NO_SPLITTER
+#endif
+#ifndef QT_NO_SIZEGRIP
+#  define QT_NO_SIZEGRIP
+#endif
+#ifndef QT_NO_STACKEDWIDGET
+#  define QT_NO_STACKEDWIDGET
+#endif
+#ifndef QT_NO_TABWIDGET
+#  define QT_NO_TABWIDGET
+#endif
+#ifndef QT_NO_STATUSBAR
+#  define QT_NO_STATUSBAR
+#endif
+#ifndef QT_NO_TABLEWIDGET
+#  define QT_NO_TABLEWIDGET
+#endif
+#ifndef QT_NO_TOOLBUTTON
+#  define QT_NO_TOOLBUTTON
+#endif
+#ifndef QT_NO_TABBAR
+#  define QT_NO_TABBAR
+#endif
+#ifndef QT_NO_TOOLBOX
+#  define QT_NO_TOOLBOX
+#endif
+#ifndef QT_NO_WHATSTHIS
+#  define QT_NO_WHATSTHIS
+#endif
+#ifndef QT_NO_TOOLTIP
+#  define QT_NO_TOOLTIP
+#endif
+#ifndef QT_NO_TREEWIDGET
+#  define QT_NO_TREEWIDGET
+#endif
+#ifndef QT_NO_VALIDATOR
+#  define QT_NO_VALIDATOR
+#endif
diff --git a/src/corelib/global/qendian.h b/src/corelib/global/qendian.h
new file mode 100644
index 0000000000..dec77922d6
--- /dev/null
+++ b/src/corelib/global/qendian.h
@@ -0,0 +1,347 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QENDIAN_H
+#define QENDIAN_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+/*
+ * ENDIAN FUNCTIONS
+*/
+inline void qbswap_helper(const uchar *src, uchar *dest, int size)
+{
+    for (int i = 0; i < size ; ++i) dest[i] = src[size - 1 - i];
+}
+
+/*
+ * qbswap(const T src, const uchar *dest);
+ * Changes the byte order of \a src from big endian to little endian or vice versa
+ * and stores the result in \a dest.
+ * There is no alignment requirements for \a dest.
+*/
+template <typename T> inline void qbswap(const T src, uchar *dest)
+{
+    qbswap_helper(reinterpret_cast<const uchar *>(&src), dest, sizeof(T));
+}
+
+// Used to implement a type-safe and alignment-safe copy operation
+// If you want to avoid the memcopy, you must write specializations for this function
+template <typename T> inline void qToUnaligned(const T src, uchar *dest)
+{
+    qMemCopy(dest, &src, sizeof(T));
+}
+
+/* T qFromLittleEndian(const uchar *src)
+ * This function will read a little-endian encoded value from \a src
+ * and return the value in host-endian encoding.
+ * There is no requirement that \a src must be aligned.
+*/
+#if defined Q_CC_MSVC && _MSC_VER < 1300 || defined Q_CC_SUN
+inline quint64 qFromLittleEndian_helper(const uchar *src, quint64 *dest)
+{
+    return 0
+        | src[0]
+        | src[1] * Q_UINT64_C(0x0000000000000100)
+        | src[2] * Q_UINT64_C(0x0000000000010000)
+        | src[3] * Q_UINT64_C(0x0000000001000000)
+        | src[4] * Q_UINT64_C(0x0000000100000000)
+        | src[5] * Q_UINT64_C(0x0000010000000000)
+        | src[6] * Q_UINT64_C(0x0001000000000000)
+        | src[7] * Q_UINT64_C(0x0100000000000000);
+}
+
+inline quint32 qFromLittleEndian_helper(const uchar *src, quint32 *dest)
+{
+    return 0
+        | src[0]
+        | src[1] * quint32(0x00000100)
+        | src[2] * quint32(0x00010000)
+        | src[3] * quint32(0x01000000);
+}
+
+inline quint16 qFromLittleEndian_helper(const uchar *src, quint16 *dest)
+{
+    return 0
+        | src[0]
+        | src[1] * 0x0100;
+}
+
+inline qint64 qFromLittleEndian_helper(const uchar *src, qint64 * dest)
+{ return static_cast<qint64>(qFromLittleEndian_helper(src, reinterpret_cast<quint64*>(0))); }
+inline qint32 qFromLittleEndian_helper(const uchar *src, qint32 * dest)
+{ return static_cast<qint32>(qFromLittleEndian_helper(src, reinterpret_cast<quint32*>(0))); }
+inline qint16 qFromLittleEndian_helper(const uchar *src, qint16 * dest)
+{ return static_cast<qint16>(qFromLittleEndian_helper(src, reinterpret_cast<quint16*>(0))); }
+
+template <class T> inline T qFromLittleEndian(const uchar *src)
+{
+    return qFromLittleEndian_helper(src, reinterpret_cast<T*>(0));
+}
+
+#else
+template <typename T> inline T qFromLittleEndian(const uchar *src);
+template <> inline quint64 qFromLittleEndian<quint64>(const uchar *src)
+{
+    return 0
+        | src[0]
+        | src[1] * Q_UINT64_C(0x0000000000000100)
+        | src[2] * Q_UINT64_C(0x0000000000010000)
+        | src[3] * Q_UINT64_C(0x0000000001000000)
+        | src[4] * Q_UINT64_C(0x0000000100000000)
+        | src[5] * Q_UINT64_C(0x0000010000000000)
+        | src[6] * Q_UINT64_C(0x0001000000000000)
+        | src[7] * Q_UINT64_C(0x0100000000000000);
+}
+
+template <> inline quint32 qFromLittleEndian<quint32>(const uchar *src)
+{
+    return 0
+        | src[0]
+        | src[1] * quint32(0x00000100)
+        | src[2] * quint32(0x00010000)
+        | src[3] * quint32(0x01000000);
+}
+
+template <> inline quint16 qFromLittleEndian<quint16>(const uchar *src)
+{
+    return 0
+        | src[0]
+        | src[1] * 0x0100;
+}
+
+// signed specializations
+template <> inline qint64 qFromLittleEndian<qint64>(const uchar *src)
+{ return static_cast<qint64>(qFromLittleEndian<quint64>(src)); }
+
+template <> inline qint32 qFromLittleEndian<qint32>(const uchar *src)
+{ return static_cast<qint32>(qFromLittleEndian<quint32>(src)); }
+
+template <> inline qint16 qFromLittleEndian<qint16>(const uchar *src)
+{ return static_cast<qint16>(qFromLittleEndian<quint16>(src)); }
+#endif
+
+/* This function will read a big-endian (also known as network order) encoded value from \a src
+ * and return the value in host-endian encoding.
+ * There is no requirement that \a src must be aligned.
+*/
+#if defined Q_CC_MSVC && _MSC_VER < 1300 || defined Q_CC_SUN
+inline quint64 qFromBigEndian_helper(const uchar *src, quint64 *dest)
+{
+    return 0
+        | src[7]
+        | src[6] * Q_UINT64_C(0x0000000000000100)
+        | src[5] * Q_UINT64_C(0x0000000000010000)
+        | src[4] * Q_UINT64_C(0x0000000001000000)
+        | src[3] * Q_UINT64_C(0x0000000100000000)
+        | src[2] * Q_UINT64_C(0x0000010000000000)
+        | src[1] * Q_UINT64_C(0x0001000000000000)
+        | src[0] * Q_UINT64_C(0x0100000000000000);
+}
+
+inline quint32 qFromBigEndian_helper(const uchar *src, quint32 * dest)
+{
+    return 0
+        | src[3]
+        | src[2] * quint32(0x00000100)
+        | src[1] * quint32(0x00010000)
+        | src[0] * quint32(0x01000000);
+}
+
+inline quint16 qFromBigEndian_helper(const uchar *src, quint16 * des)
+{
+    return 0
+        | src[1]
+        | src[0] * 0x0100;
+}
+
+
+inline qint64 qFromBigEndian_helper(const uchar *src, qint64 * dest)
+{ return static_cast<qint64>(qFromBigEndian_helper(src, reinterpret_cast<quint64*>(0))); }
+inline qint32 qFromBigEndian_helper(const uchar *src, qint32 * dest)
+{ return static_cast<qint32>(qFromBigEndian_helper(src, reinterpret_cast<quint32*>(0))); }
+inline qint16 qFromBigEndian_helper(const uchar *src, qint16 * dest)
+{ return static_cast<qint16>(qFromBigEndian_helper(src, reinterpret_cast<quint16*>(0))); }
+
+template <class T> inline T qFromBigEndian(const uchar *src)
+{
+    return qFromBigEndian_helper(src, reinterpret_cast<T*>(0));
+}
+
+#else
+template <class T> inline T qFromBigEndian(const uchar *src);
+template<>
+inline quint64 qFromBigEndian<quint64>(const uchar *src)
+{
+    return 0
+        | src[7]
+        | src[6] * Q_UINT64_C(0x0000000000000100)
+        | src[5] * Q_UINT64_C(0x0000000000010000)
+        | src[4] * Q_UINT64_C(0x0000000001000000)
+        | src[3] * Q_UINT64_C(0x0000000100000000)
+        | src[2] * Q_UINT64_C(0x0000010000000000)
+        | src[1] * Q_UINT64_C(0x0001000000000000)
+        | src[0] * Q_UINT64_C(0x0100000000000000);
+}
+
+template<>
+inline quint32 qFromBigEndian<quint32>(const uchar *src)
+{
+    return 0
+        | src[3]
+        | src[2] * quint32(0x00000100)
+        | src[1] * quint32(0x00010000)
+        | src[0] * quint32(0x01000000);
+}
+
+template<>
+inline quint16 qFromBigEndian<quint16>(const uchar *src)
+{
+    return 0
+        | src[1]
+        | src[0] * quint16(0x0100);
+}
+
+
+// signed specializations
+template <> inline qint64 qFromBigEndian<qint64>(const uchar *src)
+{ return static_cast<qint64>(qFromBigEndian<quint64>(src)); }
+
+template <> inline qint32 qFromBigEndian<qint32>(const uchar *src)
+{ return static_cast<qint32>(qFromBigEndian<quint32>(src)); }
+
+template <> inline qint16 qFromBigEndian<qint16>(const uchar *src)
+{ return static_cast<qint16>(qFromBigEndian<quint16>(src)); }
+#endif
+/*
+ * T qbswap(T source).
+ * Changes the byte order of a value from big endian to little endian or vice versa.
+ * This function can be used if you are not concerned about alignment issues,
+ * and it is therefore a bit more convenient and in most cases more efficient.
+*/
+template <typename T> T qbswap(T source);
+template <> inline quint64 qbswap<quint64>(quint64 source)
+{
+    return 0
+        | ((source & Q_UINT64_C(0x00000000000000ff)) << 56)
+        | ((source & Q_UINT64_C(0x000000000000ff00)) << 40)
+        | ((source & Q_UINT64_C(0x0000000000ff0000)) << 24)
+        | ((source & Q_UINT64_C(0x00000000ff000000)) << 8)
+        | ((source & Q_UINT64_C(0x000000ff00000000)) >> 8)
+        | ((source & Q_UINT64_C(0x0000ff0000000000)) >> 24)
+        | ((source & Q_UINT64_C(0x00ff000000000000)) >> 40)
+        | ((source & Q_UINT64_C(0xff00000000000000)) >> 56);
+}
+
+template <> inline quint32 qbswap<quint32>(quint32 source)
+{
+    return 0
+        | ((source & 0x000000ff) << 24)
+        | ((source & 0x0000ff00) << 8)
+        | ((source & 0x00ff0000) >> 8)
+        | ((source & 0xff000000) >> 24);
+}
+
+template <> inline quint16 qbswap<quint16>(quint16 source)
+{
+    return 0
+        | ((source & 0x00ff) << 8)
+        | ((source & 0xff00) >> 8);
+}
+
+// signed specializations
+template <> inline qint64 qbswap<qint64>(qint64 source)
+{
+    return qbswap<quint64>(quint64(source));
+}
+
+template <> inline qint32 qbswap<qint32>(qint32 source)
+{
+    return qbswap<quint32>(quint32(source));
+}
+
+template <> inline qint16 qbswap<qint16>(qint16 source)
+{
+    return qbswap<quint16>(quint16(source));
+}
+
+#if Q_BYTE_ORDER == Q_BIG_ENDIAN
+
+template <typename T> inline T qToBigEndian(T source)
+{ return source; }
+template <typename T> inline T qFromBigEndian(T source)
+{ return source; }
+template <typename T> inline T qToLittleEndian(T source)
+{ return qbswap<T>(source); }
+template <typename T> inline T qFromLittleEndian(T source)
+{ return qbswap<T>(source); }
+template <typename T> inline void qToBigEndian(T src, uchar *dest)
+{ qToUnaligned<T>(src, dest); }
+template <typename T> inline void qToLittleEndian(T src, uchar *dest)
+{ qbswap<T>(src, dest); }
+#else // Q_LITTLE_ENDIAN
+
+template <typename T> inline T qToBigEndian(T source)
+{ return qbswap<T>(source); }
+template <typename T> inline T qFromBigEndian(T source)
+{ return qbswap<T>(source); }
+template <typename T> inline T qToLittleEndian(T source)
+{ return source; }
+template <typename T> inline T qFromLittleEndian(T source)
+{ return source; }
+template <typename T> inline void qToBigEndian(T src, uchar *dest)
+{ qbswap<T>(src, dest); }
+template <typename T> inline void qToLittleEndian(T src, uchar *dest)
+{ qToUnaligned<T>(src, dest); }
+
+#endif // Q_BYTE_ORDER == Q_BIG_ENDIAN
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QENDIAN_H
diff --git a/src/corelib/global/qfeatures.h b/src/corelib/global/qfeatures.h
new file mode 100644
index 0000000000..6d55f7cc6f
--- /dev/null
+++ b/src/corelib/global/qfeatures.h
@@ -0,0 +1,843 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+ * All features and their dependencies.
+ *
+ * This list is generated from $QTDIR/src/corelib/global/qfeatures.txt
+ */
+
+// QAction
+//#define QT_NO_ACTION
+
+// Big Codecs
+//#define QT_NO_BIG_CODECS
+
+// Color Names
+//#define QT_NO_COLORNAMES
+
+// QCopChannel
+//#define QT_NO_COP
+
+// CssParser
+//#define QT_NO_CSSPARSER
+
+// QCursor
+//#define QT_NO_CURSOR
+
+// QDesktopServices
+//#define QT_NO_DESKTOPSERVICES
+
+// QDirectPainter
+//#define QT_NO_DIRECTPAINTER
+
+// Document Object Model
+//#define QT_NO_DOM
+
+// Effects
+//#define QT_NO_EFFECTS
+
+// Freetype Font Engine
+//#define QT_NO_FREETYPE
+
+// QGroupBox
+//#define QT_NO_GROUPBOX
+
+// QIcon
+//#define QT_NO_ICON
+
+// QImageIOPlugin
+//#define QT_NO_IMAGEFORMATPLUGIN
+
+// BMP Image Format
+//#define QT_NO_IMAGEFORMAT_BMP
+
+// JPEG Image Format
+//#define QT_NO_IMAGEFORMAT_JPEG
+
+// PNG Image Format
+//#define QT_NO_IMAGEFORMAT_PNG
+
+// PPM Image Format
+//#define QT_NO_IMAGEFORMAT_PPM
+
+// XBM Image Format
+//#define QT_NO_IMAGEFORMAT_XBM
+
+// QImage::createHeuristicMask()
+//#define QT_NO_IMAGE_HEURISTIC_MASK
+
+// Image Text
+//#define QT_NO_IMAGE_TEXT
+
+// QLCDNumber
+//#define QT_NO_LCDNUMBER
+
+// QLineEdit
+//#define QT_NO_LINEEDIT
+
+// QMessageBox
+//#define QT_NO_MESSAGEBOX
+
+// QMovie
+//#define QT_NO_MOVIE
+
+// QNetworkProxy
+//#define QT_NO_NETWORKPROXY
+
+// Qt::WA_PaintOnScreen
+//#define QT_NO_PAINTONSCREEN
+
+// Painting Debug Utilities
+//#define QT_NO_PAINT_DEBUG
+
+// Phonon::AbstractMediaStream
+//#define QT_NO_PHONON_ABSTRACTMEDIASTREAM
+
+// Support for Audio Capture
+//#define QT_NO_PHONON_AUDIOCAPTURE
+
+// Phonon::Effect
+//#define QT_NO_PHONON_EFFECT
+
+// Phonon::MediaController
+//#define QT_NO_PHONON_MEDIACONTROLLER
+
+// Phonon::ObjectDescriptionModel
+//#define QT_NO_PHONON_OBJECTDESCRIPTIONMODEL
+
+// Phonon::PlatformPlugin
+//#define QT_NO_PHONON_PLATFORMPLUGIN
+
+// Phonon::VideoWidget
+//#define QT_NO_PHONON_VIDEO
+
+// QPicture
+//#define QT_NO_PICTURE
+
+// QProgressBar
+//#define QT_NO_PROGRESSBAR
+
+// Properties
+//#define QT_NO_PROPERTIES
+
+//  Universally Unique Identifier Convertion
+//#define QT_NO_QUUID_STRING
+
+// QWSEmbedWidget
+//#define QT_NO_QWSEMBEDWIDGET
+
+// Alpha Cursor
+//#define QT_NO_QWS_ALPHA_CURSOR
+
+// Decoration
+//#define QT_NO_QWS_DECORATION_DEFAULT
+
+// QWSInputMethod
+//#define QT_NO_QWS_INPUTMETHODS
+
+// Keyboard
+//#define QT_NO_QWS_KEYBOARD
+
+// Mouse
+//#define QT_NO_QWS_MOUSE
+
+// Mouse (Auto)
+//#define QT_NO_QWS_MOUSE_AUTO
+
+// Mouse (Non-Auto)
+//#define QT_NO_QWS_MOUSE_MANUAL
+
+// Multi-Process
+//#define QT_NO_QWS_MULTIPROCESS
+
+// Properties
+//#define QT_NO_QWS_PROPERTIES
+
+// QProxyScreen
+//#define QT_NO_QWS_PROXYSCREEN
+
+// Qt Prerendered Font Format
+//#define QT_NO_QWS_QPF
+
+// Raster Paint Engine callback functions
+//#define QT_NO_RASTERCALLBACKS
+
+// Qt Prerendered Font Format 2
+//#define QT_NO_QWS_QPF2
+
+// Resize Handler
+//#define QT_NO_RESIZEHANDLER
+
+// QRubberBand
+//#define QT_NO_RUBBERBAND
+
+// Session Manager
+//#define QT_NO_SESSIONMANAGER
+
+// QSharedMemory
+//#define QT_NO_SHAREDMEMORY
+
+// QShortcut
+//#define QT_NO_SHORTCUT
+
+// QSignalMapper
+//#define QT_NO_SIGNALMAPPER
+
+// QSizeGrip
+//#define QT_NO_SIZEGRIP
+
+// QSlider
+//#define QT_NO_SLIDER
+
+// Sounds
+//#define QT_NO_SOUND
+
+// Spin Widget
+//#define QT_NO_SPINWIDGET
+
+// Splash screen widget
+//#define QT_NO_SPLASHSCREEN
+
+// QStackedWidget
+//#define QT_NO_STACKEDWIDGET
+
+// QStatusBar
+//#define QT_NO_STATUSBAR
+
+// Status Tip
+//#define QT_NO_STATUSTIP
+
+// Standard Template Library
+//#define QT_NO_STL
+
+// QMotifStyle
+//#define QT_NO_STYLE_MOTIF
+
+// QWindowsStyle
+//#define QT_NO_STYLE_WINDOWS
+
+// QSystemSemaphore
+//#define QT_NO_SYSTEMSEMAPHORE
+
+// QTabletEvent
+//#define QT_NO_TABLETEVENT
+
+// QTemporaryFile
+//#define QT_NO_TEMPORARYFILE
+
+// QTextCodec
+//#define QT_NO_TEXTCODEC
+
+// Text Date
+//#define QT_NO_TEXTDATE
+
+// HtmlParser
+//#define QT_NO_TEXTHTMLPARSER
+
+// OdfWriter
+//#define QT_NO_TEXTODFWRITER
+
+// QTextStream
+//#define QT_NO_TEXTSTREAM
+
+// QThread
+//#define QT_NO_THREAD
+
+// QToolTip
+//#define QT_NO_TOOLTIP
+
+// Translation
+//#define QT_NO_TRANSLATION
+
+// QUdpSocket
+//#define QT_NO_UDPSOCKET
+
+// QUndoCommand
+//#define QT_NO_UNDOCOMMAND
+
+// QUrlInfo
+//#define QT_NO_URLINFO
+
+// QValidator
+//#define QT_NO_VALIDATOR
+
+// QWheelEvent
+//#define QT_NO_WHEELEVENT
+
+// 
+//#define QT_NO_XMLSTREAM
+
+// Accessibility
+#if !defined(QT_NO_ACCESSIBILITY) && (defined(QT_NO_PROPERTIES))
+#define QT_NO_ACCESSIBILITY
+#endif
+
+// QButtonGroup
+#if !defined(QT_NO_BUTTONGROUP) && (defined(QT_NO_GROUPBOX))
+#define QT_NO_BUTTONGROUP
+#endif
+
+// Codecs
+#if !defined(QT_NO_CODECS) && (defined(QT_NO_TEXTCODEC))
+#define QT_NO_CODECS
+#endif
+
+// QtConcurrent
+#if !defined(QT_NO_CONCURRENT) && (defined(QT_NO_THREAD))
+#define QT_NO_CONCURRENT
+#endif
+
+// QDate/QTime/QDateTime
+#if !defined(QT_NO_DATESTRING) && (defined(QT_NO_TEXTDATE))
+#define QT_NO_DATESTRING
+#endif
+
+// QDial
+#if !defined(QT_NO_DIAL) && (defined(QT_NO_SLIDER))
+#define QT_NO_DIAL
+#endif
+
+// QFileSystemWatcher
+#if !defined(QT_NO_FILESYSTEMWATCHER) && (defined(QT_NO_THREAD))
+#define QT_NO_FILESYSTEMWATCHER
+#endif
+
+// QHostInfo
+#if !defined(QT_NO_HOSTINFO) && (defined(QT_NO_TEXTSTREAM))
+#define QT_NO_HOSTINFO
+#endif
+
+// XPM Image Format
+#if !defined(QT_NO_IMAGEFORMAT_XPM) && (defined(QT_NO_TEXTSTREAM))
+#define QT_NO_IMAGEFORMAT_XPM
+#endif
+
+// QMenu
+#if !defined(QT_NO_MENU) && (defined(QT_NO_ACTION))
+#define QT_NO_MENU
+#endif
+
+// Phonon::SeekSlider
+#if !defined(QT_NO_PHONON_SEEKSLIDER) && (defined(QT_NO_SLIDER))
+#define QT_NO_PHONON_SEEKSLIDER
+#endif
+
+// Phonon::VideoPlayer
+#if !defined(QT_NO_PHONON_VIDEOPLAYER) && (defined(QT_NO_PHONON_VIDEO))
+#define QT_NO_PHONON_VIDEOPLAYER
+#endif
+
+// Phonon::VolumeFaderEffect
+#if !defined(QT_NO_PHONON_VOLUMEFADEREFFECT) && (defined(QT_NO_PHONON_EFFECT))
+#define QT_NO_PHONON_VOLUMEFADEREFFECT
+#endif
+
+// Phonon::VolumeSlider
+#if !defined(QT_NO_PHONON_VOLUMESLIDER) && (defined(QT_NO_SLIDER))
+#define QT_NO_PHONON_VOLUMESLIDER
+#endif
+
+// QPrinter
+#if !defined(QT_NO_PRINTER) && (defined(QT_NO_TEXTSTREAM))
+#define QT_NO_PRINTER
+#endif
+
+// QProcess
+#if !defined(QT_NO_PROCESS) && (defined(QT_NO_THREAD))
+#define QT_NO_PROCESS
+#endif
+
+// QProgressDialog
+#if !defined(QT_NO_PROGRESSDIALOG) && (defined(QT_NO_PROGRESSBAR))
+#define QT_NO_PROGRESSDIALOG
+#endif
+
+// Cursor
+#if !defined(QT_NO_QWS_CURSOR) && (defined(QT_NO_CURSOR))
+#define QT_NO_QWS_CURSOR
+#endif
+
+// Decoration (Styled)
+#if !defined(QT_NO_QWS_DECORATION_STYLED) && (defined(QT_NO_QWS_DECORATION_DEFAULT))
+#define QT_NO_QWS_DECORATION_STYLED
+#endif
+
+// Decoration (Windows Style)
+#if !defined(QT_NO_QWS_DECORATION_WINDOWS) && (defined(QT_NO_QWS_DECORATION_DEFAULT))
+#define QT_NO_QWS_DECORATION_WINDOWS
+#endif
+
+// Dynamic screen transformation.
+#if !defined(QT_NO_QWS_DYNAMICSCREENTRANSFORMATION) && (defined(QT_NO_QWS_PROXYSCREEN))
+#define QT_NO_QWS_DYNAMICSCREENTRANSFORMATION
+#endif
+
+// Manager
+#if !defined(QT_NO_QWS_MANAGER) && (defined(QT_NO_QWS_DECORATION_DEFAULT))
+#define QT_NO_QWS_MANAGER
+#endif
+
+// QScrollBar
+#if !defined(QT_NO_SCROLLBAR) && (defined(QT_NO_SLIDER))
+#define QT_NO_SCROLLBAR
+#endif
+
+// QSettings
+#if !defined(QT_NO_SETTINGS) && (defined(QT_NO_TEXTSTREAM))
+#define QT_NO_SETTINGS
+#endif
+
+//  SOCKS5
+#if !defined(QT_NO_SOCKS5) && (defined(QT_NO_NETWORKPROXY))
+#define QT_NO_SOCKS5
+#endif
+
+// QSplitter
+#if !defined(QT_NO_SPLITTER) && (defined(QT_NO_RUBBERBAND))
+#define QT_NO_SPLITTER
+#endif
+
+// QCDEStyle
+#if !defined(QT_NO_STYLE_CDE) && (defined(QT_NO_STYLE_MOTIF))
+#define QT_NO_STYLE_CDE
+#endif
+
+// QWindowsXPStyle
+#if !defined(QT_NO_STYLE_WINDOWSXP) && (defined(QT_NO_STYLE_WINDOWS))
+#define QT_NO_STYLE_WINDOWSXP
+#endif
+
+// SXE
+#if !defined(QT_NO_SXE) && (defined(QT_NO_QWS_MULTIPROCESS))
+#define QT_NO_SXE
+#endif
+
+// QSystemTrayIcon
+#if !defined(QT_NO_SYSTEMTRAYICON) && (defined(QT_NO_ICON))
+#define QT_NO_SYSTEMTRAYICON
+#endif
+
+// QUndoStack
+#if !defined(QT_NO_UNDOSTACK) && (defined(QT_NO_UNDOCOMMAND))
+#define QT_NO_UNDOSTACK
+#endif
+
+// ActiveQt
+#if !defined(QT_NO_WIN_ACTIVEQT) && (defined(QT_NO_PROPERTIES))
+#define QT_NO_WIN_ACTIVEQT
+#endif
+
+// QWizard
+#if !defined(QT_NO_WIZARD) && (defined(QT_NO_PROPERTIES))
+#define QT_NO_WIZARD
+#endif
+
+// QXmlStreamReader
+#if !defined(QT_NO_XMLSTREAMREADER) && (defined(QT_NO_XMLSTREAM))
+#define QT_NO_XMLSTREAMREADER
+#endif
+
+// QXmlStreamWriter
+#if !defined(QT_NO_XMLSTREAMWRITER) && (defined(QT_NO_XMLSTREAM))
+#define QT_NO_XMLSTREAMWRITER
+#endif
+
+// Odf Writer 
+#if !defined(QT_NO_TEXTODFWRITER) && (defined(QT_NO_XMLSTREAMWRITER)) 
+#define QT_NO_TEXTODFWRITER 
+#endif 
+
+// Context menu
+#if !defined(QT_NO_CONTEXTMENU) && (defined(QT_NO_MENU))
+#define QT_NO_CONTEXTMENU
+#endif
+
+// QFileSystemModel
+#if !defined(QT_NO_FILESYSTEMMODEL) && (defined(QT_NO_FILESYSTEMWATCHER))
+#define QT_NO_FILESYSTEMMODEL
+#endif
+
+// File Transfer Protocol
+#if !defined(QT_NO_FTP) && (defined(QT_NO_URLINFO) || defined(QT_NO_TEXTDATE))
+#define QT_NO_FTP
+#endif
+
+// Hyper Text Transfer Protocol
+#if !defined(QT_NO_HTTP) && (defined(QT_NO_HOSTINFO))
+#define QT_NO_HTTP
+#endif
+
+// QLibrary
+#if !defined(QT_NO_LIBRARY) && (defined(QT_NO_SETTINGS))
+#define QT_NO_LIBRARY
+#endif
+
+// QScrollArea
+#if !defined(QT_NO_SCROLLAREA) && (defined(QT_NO_SCROLLBAR))
+#define QT_NO_SCROLLAREA
+#endif
+
+// QToolButton
+#if !defined(QT_NO_TOOLBUTTON) && (defined(QT_NO_ICON) || defined(QT_NO_ACTION))
+#define QT_NO_TOOLBUTTON
+#endif
+
+// Translation (UTF-8 representation)
+#if !defined(QT_NO_TRANSLATION_UTF8) && (defined(QT_NO_TRANSLATION) || defined(QT_NO_TEXTCODEC))
+#define QT_NO_TRANSLATION_UTF8
+#endif
+
+// Drag and drop
+#if !defined(QT_NO_DRAGANDDROP) && (defined(QT_NO_QWS_PROPERTIES) || defined(QT_NO_IMAGEFORMAT_XPM))
+#define QT_NO_DRAGANDDROP
+#endif
+
+// QGraphicsView
+#if !defined(QT_NO_GRAPHICSVIEW) && (defined(QT_NO_SCROLLAREA))
+#define QT_NO_GRAPHICSVIEW
+#endif
+
+// QMdiArea
+#if !defined(QT_NO_MDIAREA) && (defined(QT_NO_SCROLLAREA))
+#define QT_NO_MDIAREA
+#endif
+
+// QSpinBox
+#if !defined(QT_NO_SPINBOX) && (defined(QT_NO_SPINWIDGET) || defined(QT_NO_LINEEDIT) || defined(QT_NO_VALIDATOR))
+#define QT_NO_SPINBOX
+#endif
+
+// QCleanLooksStyle
+#if !defined(QT_NO_STYLE_CLEANLOOKS) && (defined(QT_NO_STYLE_WINDOWS) || defined(QT_NO_IMAGEFORMAT_XPM))
+#define QT_NO_STYLE_CLEANLOOKS
+#endif
+
+// QPlastiqueStyle
+#if !defined(QT_NO_STYLE_PLASTIQUE) && (defined(QT_NO_STYLE_WINDOWS) || defined(QT_NO_IMAGEFORMAT_XPM))
+#define QT_NO_STYLE_PLASTIQUE
+#endif
+
+// QStyleSheetStyle
+#if !defined(QT_NO_STYLE_STYLESHEET) && (defined(QT_NO_STYLE_WINDOWS) || defined(QT_NO_PROPERTIES) || defined(QT_NO_CSSPARSER))
+#define QT_NO_STYLE_STYLESHEET
+#endif
+
+// QWindowsCEStyle
+#if !defined(QT_NO_STYLE_WINDOWSCE) && (defined(QT_NO_STYLE_WINDOWS) || defined(QT_NO_IMAGEFORMAT_XPM))
+#define QT_NO_STYLE_WINDOWSCE
+#endif
+
+// QWindowsMobileStyle
+#if !defined(QT_NO_STYLE_WINDOWSMOBILE) && (defined(QT_NO_STYLE_WINDOWS) || defined(QT_NO_IMAGEFORMAT_XPM))
+#define QT_NO_STYLE_WINDOWSMOBILE
+#endif
+
+// QWindowsVistaStyle
+#if !defined(QT_NO_STYLE_WINDOWSVISTA) && (defined(QT_NO_STYLE_WINDOWS) || defined(QT_NO_STYLE_WINDOWSXP))
+#define QT_NO_STYLE_WINDOWSVISTA
+#endif
+
+// QtSvg module
+#if !defined(QT_NO_SVG) && (defined(QT_NO_XMLSTREAMREADER) || defined(QT_NO_CSSPARSER))
+#define QT_NO_SVG
+#endif
+
+// QTabBar
+#if !defined(QT_NO_TABBAR) && (defined(QT_NO_TOOLBUTTON))
+#define QT_NO_TABBAR
+#endif
+
+// QUndoGroup
+#if !defined(QT_NO_UNDOGROUP) && (defined(QT_NO_UNDOCOMMAND) || defined(QT_NO_UNDOSTACK))
+#define QT_NO_UNDOGROUP
+#endif
+
+// The Model/View Framework
+#if !defined(QT_NO_ITEMVIEWS) && (defined(QT_NO_RUBBERBAND) || defined(QT_NO_SCROLLAREA))
+#define QT_NO_ITEMVIEWS
+#endif
+
+// Sound Server
+#if !defined(QT_NO_QWS_SOUNDSERVER) && (defined(QT_NO_SOUND) || defined(QT_NO_HOSTINFO) || defined(QT_NO_QWS_MULTIPROCESS))
+#define QT_NO_QWS_SOUNDSERVER
+#endif
+
+// QtScript
+#if !defined(QT_NO_SCRIPT) && (defined(QT_NO_TEXTDATE) || defined(QT_NO_DATESTRING) || defined(QT_NO_PROPERTIES))
+#define QT_NO_SCRIPT
+#endif
+
+// QSvgGenerator
+#if !defined(QT_NO_SVGGENERATOR) && (defined(QT_NO_SVG))
+#define QT_NO_SVGGENERATOR
+#endif
+
+// QSvgRenderer
+#if !defined(QT_NO_SVGRENDERER) && (defined(QT_NO_SVG))
+#define QT_NO_SVGRENDERER
+#endif
+
+// Q3TabDialog
+#if !defined(QT_NO_TABDIALOG) && (defined(QT_NO_TABBAR))
+#define QT_NO_TABDIALOG
+#endif
+
+// QTextCodecPlugin
+#if !defined(QT_NO_TEXTCODECPLUGIN) && (defined(QT_NO_TEXTCODEC) || defined(QT_NO_LIBRARY))
+#define QT_NO_TEXTCODECPLUGIN
+#endif
+
+// QTextEdit
+#if !defined(QT_NO_TEXTEDIT) && (defined(QT_NO_SCROLLAREA) || defined(QT_NO_PROPERTIES))
+#define QT_NO_TEXTEDIT
+#endif
+
+// QWhatsThis
+#if !defined(QT_NO_WHATSTHIS) && (defined(QT_NO_TOOLBUTTON) || defined(QT_NO_ACTION))
+#define QT_NO_WHATSTHIS
+#endif
+
+// QClipboard
+#if !defined(QT_NO_CLIPBOARD) && (defined(QT_NO_QWS_PROPERTIES))
+#define QT_NO_CLIPBOARD
+#endif
+
+// Common UNIX Printing System
+#if !defined(QT_NO_CUPS) && (defined(QT_NO_PRINTER) || defined(QT_NO_LIBRARY))
+#define QT_NO_CUPS
+#endif
+
+// QDirModel
+#if !defined(QT_NO_DIRMODEL) && (defined(QT_NO_ITEMVIEWS))
+#define QT_NO_DIRMODEL
+#endif
+
+// QErrorMessage
+#if !defined(QT_NO_ERRORMESSAGE) && (defined(QT_NO_TEXTEDIT))
+#define QT_NO_ERRORMESSAGE
+#endif
+
+// QListView
+#if !defined(QT_NO_LISTVIEW) && (defined(QT_NO_ITEMVIEWS))
+#define QT_NO_LISTVIEW
+#endif
+
+// QMenuBar
+#if !defined(QT_NO_MENUBAR) && (defined(QT_NO_MENU) || defined(QT_NO_TOOLBUTTON))
+#define QT_NO_MENUBAR
+#endif
+
+// QAbstractProxyModel
+#if !defined(QT_NO_PROXYMODEL) && (defined(QT_NO_ITEMVIEWS))
+#define QT_NO_PROXYMODEL
+#endif
+
+// QStandardItemModel
+#if !defined(QT_NO_STANDARDITEMMODEL) && (defined(QT_NO_ITEMVIEWS))
+#define QT_NO_STANDARDITEMMODEL
+#endif
+
+// QStringListModel
+#if !defined(QT_NO_STRINGLISTMODEL) && (defined(QT_NO_ITEMVIEWS))
+#define QT_NO_STRINGLISTMODEL
+#endif
+
+// QSvgWidget
+#if !defined(QT_NO_SVGWIDGET) && (defined(QT_NO_SVGRENDERER))
+#define QT_NO_SVGWIDGET
+#endif
+
+// QSyntaxHighlighter
+#if !defined(QT_NO_SYNTAXHIGHLIGHTER) && (defined(QT_NO_TEXTEDIT))
+#define QT_NO_SYNTAXHIGHLIGHTER
+#endif
+
+// QTableView
+#if !defined(QT_NO_TABLEVIEW) && (defined(QT_NO_ITEMVIEWS))
+#define QT_NO_TABLEVIEW
+#endif
+
+// QTabWidget
+#if !defined(QT_NO_TABWIDGET) && (defined(QT_NO_TABBAR) || defined(QT_NO_STACKEDWIDGET))
+#define QT_NO_TABWIDGET
+#endif
+
+// QTextBrowser
+#if !defined(QT_NO_TEXTBROWSER) && (defined(QT_NO_TEXTEDIT))
+#define QT_NO_TEXTBROWSER
+#endif
+
+// QTreeView
+#if !defined(QT_NO_TREEVIEW) && (defined(QT_NO_ITEMVIEWS))
+#define QT_NO_TREEVIEW
+#endif
+
+// QColorDialog
+#if !defined(QT_NO_COLORDIALOG) && (defined(QT_NO_LINEEDIT) || defined(QT_NO_VALIDATOR) || defined(QT_NO_SPINBOX))
+#define QT_NO_COLORDIALOG
+#endif
+
+// QColumnView
+#if !defined(QT_NO_COLUMNVIEW) && (defined(QT_NO_LISTVIEW))
+#define QT_NO_COLUMNVIEW
+#endif
+
+// QCompleter
+#if !defined(QT_NO_COMPLETER) && (defined(QT_NO_PROXYMODEL))
+#define QT_NO_COMPLETER
+#endif
+
+// QDataWidgetMapper
+#if !defined(QT_NO_DATAWIDGETMAPPER) && (defined(QT_NO_ITEMVIEWS) || defined(QT_NO_PROPERTIES))
+#define QT_NO_DATAWIDGETMAPPER
+#endif
+
+// QListWidget
+#if !defined(QT_NO_LISTWIDGET) && (defined(QT_NO_LISTVIEW))
+#define QT_NO_LISTWIDGET
+#endif
+
+// QMainWindow
+#if !defined(QT_NO_MAINWINDOW) && (defined(QT_NO_MENU) || defined(QT_NO_RESIZEHANDLER) || defined(QT_NO_TOOLBUTTON))
+#define QT_NO_MAINWINDOW
+#endif
+
+// QSortFilterProxyModel
+#if !defined(QT_NO_SORTFILTERPROXYMODEL) && (defined(QT_NO_PROXYMODEL))
+#define QT_NO_SORTFILTERPROXYMODEL
+#endif
+
+// QTableWidget
+#if !defined(QT_NO_TABLEWIDGET) && (defined(QT_NO_TABLEVIEW))
+#define QT_NO_TABLEWIDGET
+#endif
+
+// QTreeWidget
+#if !defined(QT_NO_TREEWIDGET) && (defined(QT_NO_TREEVIEW))
+#define QT_NO_TREEWIDGET
+#endif
+
+// QPrintPreviewWidget
+#if !defined(QT_NO_PRINTPREVIEWWIDGET) && (defined(QT_NO_GRAPHICSVIEW) || defined(QT_NO_PRINTER) || defined(QT_NO_PICTURE))
+#define QT_NO_PRINTPREVIEWWIDGET
+#endif
+
+// QToolBar
+#if !defined(QT_NO_TOOLBAR) && (defined(QT_NO_MAINWINDOW))
+#define QT_NO_TOOLBAR
+#endif
+
+// QToolBox
+#if !defined(QT_NO_TOOLBOX) && (defined(QT_NO_ICON) || defined(QT_NO_TOOLBUTTON) || defined(QT_NO_SCROLLAREA))
+#define QT_NO_TOOLBOX
+#endif
+
+// QDockwidget
+#if !defined(QT_NO_DOCKWIDGET) && (defined(QT_NO_RUBBERBAND) || defined(QT_NO_MAINWINDOW))
+#define QT_NO_DOCKWIDGET
+#endif
+
+// QUndoView
+#if !defined(QT_NO_UNDOVIEW) && (defined(QT_NO_UNDOSTACK) || defined(QT_NO_LISTVIEW))
+#define QT_NO_UNDOVIEW
+#endif
+
+// QGraphicsSvgItem
+#if !defined(QT_NO_GRAPHICSSVGITEM) && (defined(QT_NO_SVGRENDERER) || defined(QT_NO_GRAPHICSVIEW))
+#define QT_NO_GRAPHICSSVGITEM
+#endif
+
+// QComboBox
+#if !defined(QT_NO_COMBOBOX) && (defined(QT_NO_LINEEDIT) || defined(QT_NO_STANDARDITEMMODEL) || defined(QT_NO_LISTVIEW))
+#define QT_NO_COMBOBOX
+#endif
+
+// QCalendarWidget
+#if !defined(QT_NO_CALENDARWIDGET) && (defined(QT_NO_TABLEVIEW) || defined(QT_NO_MENU) || defined(QT_NO_TEXTDATE) || defined(QT_NO_SPINBOX) || defined(QT_NO_TOOLBUTTON))
+#define QT_NO_CALENDARWIDGET
+#endif
+
+// QDateTimeEdit
+#if !defined(QT_NO_DATETIMEEDIT) && (defined(QT_NO_CALENDARWIDGET) || defined(QT_NO_DATESTRING))
+#define QT_NO_DATETIMEEDIT
+#endif
+
+// QInputDialog
+#if !defined(QT_NO_INPUTDIALOG) && (defined(QT_NO_COMBOBOX) || defined(QT_NO_SPINBOX) || defined(QT_NO_STACKEDWIDGET))
+#define QT_NO_INPUTDIALOG
+#endif
+
+// Phonon::EffectWidget
+#if !defined(QT_NO_PHONON_EFFECTWIDGET) && (defined(QT_NO_PHONON_EFFECT) || defined(QT_NO_COMBOBOX) || defined(QT_NO_SPINBOX))
+#define QT_NO_PHONON_EFFECTWIDGET
+#endif
+
+// QFontComboBox
+#if !defined(QT_NO_FONTCOMBOBOX) && (defined(QT_NO_COMBOBOX) || defined(QT_NO_STRINGLISTMODEL))
+#define QT_NO_FONTCOMBOBOX
+#endif
+
+// QFontDialog
+#if !defined(QT_NO_FONTDIALOG) && (defined(QT_NO_STRINGLISTMODEL) || defined(QT_NO_COMBOBOX) || defined(QT_NO_VALIDATOR) || defined(QT_NO_GROUPBOX))
+#define QT_NO_FONTDIALOG
+#endif
+
+// QWorkSpace
+#if !defined(QT_NO_WORKSPACE) && (defined(QT_NO_SCROLLBAR) || defined(QT_NO_RESIZEHANDLER) || defined(QT_NO_MENU) || defined(QT_NO_TOOLBUTTON) || defined(QT_NO_MAINWINDOW) || defined(QT_NO_TOOLBAR) || defined(QT_NO_MENUBAR))
+#define QT_NO_WORKSPACE
+#endif
+
+// QPrintDialog
+#if !defined(QT_NO_PRINTDIALOG) && (defined(QT_NO_PRINTER) || defined(QT_NO_COMBOBOX) || defined(QT_NO_BUTTONGROUP) || defined(QT_NO_SPINBOX) || defined(QT_NO_TREEVIEW) || defined(QT_NO_STACKEDWIDGET) || defined(QT_NO_TABWIDGET))
+#define QT_NO_PRINTDIALOG
+#endif
+
+// QFileDialog
+#if !defined(QT_NO_FILEDIALOG) && (defined(QT_NO_DIRMODEL) || defined(QT_NO_TREEVIEW) || defined(QT_NO_COMBOBOX) || defined(QT_NO_TOOLBUTTON) || defined(QT_NO_BUTTONGROUP) || defined(QT_NO_TOOLTIP) || defined(QT_NO_SPLITTER) || defined(QT_NO_STACKEDWIDGET) || defined(QT_NO_FILESYSTEMMODEL))
+#define QT_NO_FILEDIALOG
+#endif
+
+// QPrintPreviewDialog
+#if !defined(QT_NO_PRINTPREVIEWDIALOG) && (defined(QT_NO_PRINTPREVIEWWIDGET) || defined(QT_NO_PRINTDIALOG))
+#define QT_NO_PRINTPREVIEWDIALOG
+#endif
+
diff --git a/src/corelib/global/qfeatures.txt b/src/corelib/global/qfeatures.txt
new file mode 100644
index 0000000000..c26c27444f
--- /dev/null
+++ b/src/corelib/global/qfeatures.txt
@@ -0,0 +1,1407 @@
+# Kernel
+
+Feature: PROPERTIES
+Description: Supports scripting Qt-based applications.
+Section: Kernel
+Requires: 
+Name: Properties
+SeeAlso: ???
+
+Feature: TEXTHTMLPARSER
+Description: Parser for HTML
+Section: Kernel
+Requires: 
+Name: HtmlParser
+SeeAlso: ???
+
+Feature: TEXTODFWRITER
+Description: Provides an ODF writer
+Section: Kernel
+Requires: XMLSTREAMWRITER 
+Name: OdfWriter
+SeeAlso: ???
+
+Feature: CSSPARSER
+Description: Parser for Style Sheets
+Section: Kernel
+Requires: 
+Name: CssParser
+SeeAlso: ???
+
+Feature: THREAD
+Description: Supports multithreaded programming.
+Section: Kernel
+Requires:
+Name: QThread
+SeeAlso: ???
+
+Feature: CONCURRENT
+Description: Provides a high-level multi-threaded APIs
+Section: Kernel
+Requires: THREAD
+Name: QtConcurrent
+SeeAlso: ???
+
+Feature: DRAGANDDROP
+Description: Supports the drag and drop mechansim.
+Section: Kernel
+Requires: QWS_PROPERTIES IMAGEFORMAT_XPM
+Name: Drag and drop
+SeeAlso: ???
+
+Feature: SESSIONMANAGER
+Description: Supports session management.
+Section: Kernel
+Requires: 
+Name: Session Manager
+SeeAlso: ???
+
+Feature: SHORTCUT
+Description: Supports keyboard accelerators and shortcuts.
+Section: Kernel
+Requires: 
+Name: QShortcut
+SeeAlso: ???
+
+Feature: ACTION
+Description: Supports widget actions.
+Section: Kernel
+Requires: 
+Name: QAction
+SeeAlso: ???
+
+Feature: CURSOR
+Description: Supports mouse cursors.
+Section: Kernel
+Requires:
+Name: QCursor
+SeeAlso: ???
+
+Feature: CLIPBOARD
+Description: Supports cut and paste operations.
+Section: Kernel
+Requires: QWS_PROPERTIES
+Name: QClipboard
+SeeAlso: ???
+
+Feature: WHEELEVENT
+Description: Supports wheel events.
+Section: Kernel
+Requires:
+Name: QWheelEvent
+SeeAlso: ???
+
+Feature: TABLETEVENT
+Description: Supports tablet events.
+Section: Kernel
+Requires:
+Name: QTabletEvent
+SeeAlso: ???
+
+Feature: SOUND
+Description: Supports playing audio files.
+Section: Kernel
+Requires:
+Name: Sounds
+SeeAlso: ???
+
+Feature: EFFECTS
+Description: Supports special widget effects (e.g. fading and scrolling).
+Section: Kernel
+Requires:
+Name: Effects
+SeeAlso: ???
+
+Feature: SHAREDMEMORY
+Description: Provides access to a shared memory segment.
+Section: Kernel
+Requires:
+Name: QSharedMemory
+SeeAlso: ???
+
+Feature: SYSTEMSEMAPHORE
+Description: Provides a general counting system semaphore.
+Section: Kernel
+Requires:
+Name: QSystemSemaphore
+SeeAlso: ???
+
+Feature: XMLSTREAM
+Description: Provides a simple streaming API for XML.
+Section: Kernel
+Requires: 
+Name: 
+SeeAlso: ???
+
+Feature: XMLSTREAMREADER
+Description: Provides a well-formed XML parser with a simple streaming API.
+Section: Kernel
+Requires: XMLSTREAM
+Name: QXmlStreamReader
+SeeAlso: ???
+
+Feature: XMLSTREAMWRITER
+Description: Provides a XML writer with a simple streaming API.
+Section: Kernel
+Requires: XMLSTREAM
+Name: QXmlStreamWriter
+SeeAlso: ???
+
+# Data structures
+
+Feature: STL
+Description: Supports standard template library compatiblity.
+Section: Data structures
+Requires:
+Name: Standard Template Library
+SeeAlso: ???
+
+Feature: QUUID_STRING
+Description: Supports convertion between UUID and strings.
+Section: Data structures
+Requires: 
+Name:  Universally Unique Identifier Convertion
+SeeAlso: ???
+
+Feature: TEXTDATE
+Description: Supports month and day names in dates.
+Section: Data structures
+Requires: 
+Name: Text Date
+SeeAlso: ???
+
+Feature: DATESTRING
+Description: Supports convertion between dates and strings.
+Section: Data structures
+Requires: TEXTDATE
+Name: QDate/QTime/QDateTime
+SeeAlso: ???
+
+# File I/O
+
+Feature: PROCESS
+Description: Supports external process invocation.
+Section: File I/O
+Requires: THREAD
+Name: QProcess
+SeeAlso: ???
+
+Feature: TEXTSTREAM
+Description: Supports reading and writing of text.
+Section: File I/O
+Requires:
+Name: QTextStream
+SeeAlso: ???
+
+Feature: TEMPORARYFILE
+Description: Provides an I/O device that operates on temporary files.
+Section: File I/O
+Requires:
+Name: QTemporaryFile
+SeeAlso: ???
+
+Feature: LIBRARY
+Description: Supports a shared library wrapper.
+Section: File I/O
+Requires: SETTINGS
+Name: QLibrary
+SeeAlso: ???
+
+Feature: SETTINGS
+Description: Supports persistent application settings.
+Section: File I/O
+Requires: TEXTSTREAM 
+Name: QSettings
+SeeAlso: ???
+
+Feature: DOM
+Description: Supports the Document Object Model.
+Section: File I/O
+Requires:
+Name: Document Object Model
+SeeAlso: ???
+
+Feature: FILESYSTEMMODEL
+Description: Provides a data model for the local filesystem.
+Section: File I/O
+Requires: FILESYSTEMWATCHER
+Name: QFileSystemModel
+SeeAlso: ???
+
+Feature: FILESYSTEMWATCHER
+Description: Provides an interface for monitoring files and directories 
+for modications.
+Section: File I/O
+Requires: THREAD
+Name: QFileSystemWatcher
+SeeAlso: ???
+
+# Widgets
+
+Feature: TREEWIDGET
+Description: Supports views using tree models. 
+Section: Widgets
+Requires: TREEVIEW
+Name: QTreeWidget
+SeeAlso: ???
+
+Feature: LISTWIDGET
+Description: Supports item-based list widgets.
+Section: Widgets
+Requires: LISTVIEW
+Name: QListWidget
+SeeAlso: ???
+
+Feature: TABLEWIDGET
+Description: Supports item-based table views.
+Section: Widgets
+Requires: TABLEVIEW
+Name: QTableWidget
+SeeAlso: ???
+
+Feature: DATETIMEEDIT
+Description: Supports editing dates and times.
+Section: Widgets
+Requires: CALENDARWIDGET DATESTRING
+Name: QDateTimeEdit
+SeeAlso: ???
+
+Feature: STACKEDWIDGET
+Description: Supports stacked widgets.
+Section: Widgets
+Requires:
+Name: QStackedWidget
+SeeAlso: ???
+
+Feature: TEXTBROWSER
+Description: Supports HTML document browsing.
+Section: Widgets
+Requires: TEXTEDIT
+Name: QTextBrowser
+SeeAlso: ???
+
+Feature: SPLASHSCREEN
+Description: Supports splash screens that can be shown during application startup.
+Section: Widgets
+Requires: 
+Name: Splash screen widget
+SeeAlso: ???
+
+Feature: SPLITTER
+Description: Supports user controlled splitter widgets.
+Section: Widgets
+Requires: RUBBERBAND
+Name: QSplitter
+SeeAlso: ???
+
+Feature: LCDNUMBER
+Description: Supports LCD-like digits. 
+Section: Widgets
+Requires:
+Name: QLCDNumber
+SeeAlso: ???
+
+Feature: MENU
+Description: Supports popup-menus.
+Section: Widgets
+Requires: ACTION
+Name: QMenu
+SeeAlso: ???
+
+Feature: LINEEDIT
+Description: Supports single-line edits.
+Section: Widgets
+Requires:
+Name: QLineEdit
+SeeAlso: ???
+
+Feature: SPINBOX
+Description: Supports spin boxes handling integers and discrete sets of values.
+Section: Widgets
+Requires: SPINWIDGET LINEEDIT VALIDATOR
+Name: QSpinBox
+SeeAlso: ???
+
+Feature: TABBAR
+Description: Supports tab bars, e.g. for use in tabbed dialogs.
+Section: Widgets
+Requires: TOOLBUTTON
+Name: QTabBar
+SeeAlso: ???
+
+Feature: TABWIDGET
+Description: Supports stacking tabbed widgets.
+Section: Widgets
+Requires: TABBAR STACKEDWIDGET
+Name: QTabWidget
+SeeAlso: ???
+
+Feature: COMBOBOX
+Description: Supports comboboxes presenting a list of options to the user.
+Section: Widgets
+Requires: LINEEDIT STANDARDITEMMODEL LISTVIEW
+Name: QComboBox
+SeeAlso: ???
+
+Feature: FONTCOMBOBOX
+Description: Supports a combobox that lets the user select a font family.
+Section: Widgets
+Requires: COMBOBOX STRINGLISTMODEL
+Name: QFontComboBox
+SeeAlso: ???
+
+Feature: TOOLBUTTON
+Description: Supports quick-access buttons to commands and options.
+Section: Widgets
+Requires: ICON ACTION
+Name: QToolButton
+SeeAlso: ???
+
+Feature: TOOLBAR
+Description: Supports movable panels containing a set of controls.
+Section: Widgets
+Requires: MAINWINDOW
+Name: QToolBar
+SeeAlso: ???
+
+Feature: TOOLBOX
+Description:  Supports columns of tabbed widget items.
+Section: Widgets
+Requires: ICON TOOLBUTTON SCROLLAREA
+Name: QToolBox
+SeeAlso: ???
+
+Feature: GROUPBOX
+Description: Supports group box frames.
+Section: Widgets
+Requires:
+Name: QGroupBox
+SeeAlso: ???
+
+Feature: BUTTONGROUP
+Description: Supports organizing groups of button widgets.
+Section: Widgets
+Requires: GROUPBOX 
+Name: QButtonGroup
+SeeAlso: ???
+
+Feature: MAINWINDOW
+Description: Supports main application windows.
+Section: Widgets
+Requires: MENU RESIZEHANDLER TOOLBUTTON
+Name: QMainWindow
+SeeAlso: ???
+
+Feature: DOCKWIDGET
+Description: Supports docking widgets inside a QMainWindow or floated as 
+a top-level window on the desktop.
+Section: Widgets
+Requires: RUBBERBAND MAINWINDOW
+Name: QDockwidget
+SeeAlso: ???
+
+Feature: WORKSPACE
+Description: Supports workspace windows, e.g. used in an MDI application. 
+Section: Widgets
+Requires: SCROLLBAR RESIZEHANDLER MENU TOOLBUTTON MAINWINDOW TOOLBAR MENUBAR
+Name: QWorkSpace
+SeeAlso: ???
+
+Feature: MDIAREA
+Description: Provides an area in which MDI windows are displayed.
+Section: Widgets
+Requires: SCROLLAREA
+Name: QMdiArea
+SeeAlso: ???
+
+Feature: RESIZEHANDLER
+Description: Supports an internal resize handler.
+Section: Widgets
+Requires:
+Name: Resize Handler
+SeeAlso: ???
+
+Feature: STATUSBAR
+Description: Supports presentation of status information.
+Section: Widgets
+Requires:
+Name: QStatusBar
+SeeAlso: ???
+
+Feature: MENUBAR
+Description: Supports pull-down menu items.
+Section: Widgets
+Requires: MENU TOOLBUTTON
+Name: QMenuBar
+SeeAlso: ???
+
+Feature: CONTEXTMENU
+Description: Supports pop-up menus on right mouse click
+Section: Widgets
+Requires: MENU
+Name: Context menu
+SeeeAlso: ???
+
+Feature: PROGRESSBAR
+Description: Supports presentation of operation progress.
+Section: Widgets
+Requires:
+Name: QProgressBar
+SeeAlso: ???
+
+Feature: SLIDER
+Description: Supports sliders controlling a bounded value.
+Section: Widgets
+Requires:
+Name: QSlider
+SeeAlso: ???
+
+Feature: SCROLLBAR
+Description: Supports scrollbars allowing the user access parts of a 
+document that is larger than the widget used to display it. 
+Section: Widgets
+Requires: SLIDER
+Name: QScrollBar
+SeeAlso: ???
+
+Feature: DIAL
+Description: Supports rounded range control, e.g. like a speedometer.
+Section: Widgets
+Requires: SLIDER
+Name: QDial
+SeeAlso: ???
+
+Feature: SCROLLAREA
+Description: Supports scrolling views onto widgets.
+Section: Widgets
+Requires: SCROLLBAR
+Name: QScrollArea
+SeeAlso: ???
+
+Feature: GRAPHICSVIEW
+Description: Supports the graphicsview classes.
+Section: Widgets
+Requires: SCROLLAREA
+Name: QGraphicsView
+SeeAlso: ???
+
+Feature: SPINWIDGET
+Description: Supports spinbox control widgets.
+Section: Widgets
+Requires:
+Name: Spin Widget
+SeeAlso: ???
+
+Feature: TEXTEDIT
+Description: Supports rich text editing.
+Section: Widgets
+Requires: SCROLLAREA PROPERTIES
+Name: QTextEdit
+SeeAlso: ???
+
+Feature: SYNTAXHIGHLIGHTER
+Description: Supports custom syntax highlighting. 
+Section: Widgets
+Requires: TEXTEDIT
+Name: QSyntaxHighlighter
+SeeAlso: ???
+
+Feature: RUBBERBAND
+Description: Supports using rubberbands to indicate selections and boundaries.
+Section: Widgets
+Requires:
+Name: QRubberBand
+SeeAlso: ???
+
+Feature: TOOLTIP
+Description: Supports presentation of tooltips.
+Section: Widgets
+Requires:
+Name: QToolTip
+SeeAlso: ???
+
+Feature: STATUSTIP
+Description: Supports status tip functionality and events.
+Section: Widgets
+Requires:
+Name: Status Tip
+SeeAlso: ???
+
+Feature: SIGNALMAPPER
+Description: Supports bundling of signals from identifiable senders.
+Section: Widgets
+Requires:
+Name: QSignalMapper
+SeeAlso: ???
+
+Feature: WHATSTHIS
+Description: Supports displaying "What's this" help.
+Section: Widgets
+Requires: TOOLBUTTON ACTION
+Name: QWhatsThis
+SeeAlso: ???
+
+Feature: VALIDATOR
+Description: Supports validation of input text.
+Section: Widgets
+Requires:
+Name: QValidator
+SeeAlso: ???
+
+Feature: SIZEGRIP
+Description: Supports corner-grips for resizing a top-level windows.
+Section: Widgets
+Requires:
+Name: QSizeGrip
+SeeAlso: ???
+
+Feature: CALENDARWIDGET
+Description: Provides a monthly based calendar widget allowing the user to select 
+a date.
+Section: Widgets
+Requires: TABLEVIEW MENU TEXTDATE SPINBOX TOOLBUTTON
+Name: QCalendarWidget
+SeeAlso: ???
+
+Feature: PRINTPREVIEWWIDGET
+Description: Provides a widget for previewing page layouts for printer output.
+a date.
+Section: Widgets
+Requires: GRAPHICSVIEW PRINTER PICTURE
+Name: QPrintPreviewWidget
+SeeAlso: ???
+
+# Dialogs
+
+Feature: MESSAGEBOX
+Description: Supports message boxes displaying  
+informative messages and simple questions.
+Section: Dialogs
+Requires:
+Name: QMessageBox
+SeeAlso: ???
+
+Feature: COLORDIALOG
+Description: Supports a dialog widget for specifying colors.
+Section: Dialogs
+Requires: LINEEDIT VALIDATOR SPINBOX
+Name: QColorDialog
+SeeAlso: ???
+
+Feature: FILEDIALOG
+Description: Supports a dialog widget for selecting files or directories. 
+Section: Dialogs
+Requires: DIRMODEL TREEVIEW COMBOBOX TOOLBUTTON BUTTONGROUP TOOLTIP SPLITTER STACKEDWIDGET FILESYSTEMMODEL
+Name: QFileDialog
+SeeAlso: ???
+
+Feature: FONTDIALOG
+Description: Supports a dialog widget for selecting fonts.
+Section: Dialogs
+Requires: STRINGLISTMODEL COMBOBOX VALIDATOR GROUPBOX
+Name: QFontDialog
+SeeAlso: ???
+
+Feature: PRINTDIALOG
+Description: Supports a dialog widget for specifying printer configuration.
+Section: Dialogs
+Requires: PRINTER COMBOBOX BUTTONGROUP SPINBOX TREEVIEW STACKEDWIDGET TABWIDGET
+Name: QPrintDialog
+SeeAlso: ???
+
+Feature: PRINTPREVIEWDIALOG
+Description: Provides a dialog for previewing and configuring page layouts for printer output.
+Section: Dialogs
+Requires: PRINTPREVIEWWIDGET PRINTDIALOG
+Name: QPrintPreviewDialog
+SeeAlso: ???
+
+Feature: PROGRESSDIALOG
+Description: Supports feedback on the progress of a slow operation.
+Section: Dialogs
+Requires: PROGRESSBAR
+Name: QProgressDialog
+SeeAlso: ???
+
+Feature: INPUTDIALOG
+Description: Supports a simple convenience dialog to get a single value from the user.
+Section: Dialogs
+Requires: COMBOBOX SPINBOX STACKEDWIDGET
+Name: QInputDialog
+SeeAlso: ???
+
+Feature: TABDIALOG
+Description: Supports a stack of tabbed widgets.
+Section: Dialogs
+Requires: TABBAR
+Name: Q3TabDialog
+SeeAlso: ???
+
+Feature: ERRORMESSAGE
+Description:  Supports an error message display dialog.
+Section: Dialogs
+Requires: TEXTEDIT
+Name: QErrorMessage
+SeeAlso: ???
+
+Feature: WIZARD
+Description: Provides a framework for wizards.
+Section: Dialogs
+Requires: PROPERTIES
+Name: QWizard
+SeeAlso: ???
+
+# ItemViews
+
+Feature: ITEMVIEWS
+Description: Supports the model/view architecture managing the relationship 
+between data and the way it is presented to the user.
+Section: ItemViews
+Requires: RUBBERBAND SCROLLAREA
+Name: The Model/View Framework
+SeeAlso: ???
+
+Feature: DIRMODEL
+Description: Supports a data model for the local filesystem.
+Section: ItemViews
+Requires: ITEMVIEWS
+Name: QDirModel
+SeeAlso: ???
+
+Feature: STANDARDITEMMODEL
+Description: Supports a generic model for storing custom data.
+Section: ItemViews
+Requires: ITEMVIEWS
+Name: QStandardItemModel
+SeeAlso: ???
+
+Feature: PROXYMODEL
+Description: Supports processing of data passed between another model and a view.
+Section: ItemViews
+Requires: ITEMVIEWS
+Name: QAbstractProxyModel
+SeeAlso: ???
+
+Feature: SORTFILTERPROXYMODEL
+Description: Supports sorting and filtering of data passed between 
+another model and a view. 
+Section: ItemViews
+Requires: PROXYMODEL
+Name: QSortFilterProxyModel
+SeeAlso: ???
+
+Feature: STRINGLISTMODEL
+Description: Supports a model that supplies strings to views.
+Section: ItemViews
+Requires: ITEMVIEWS
+Name: QStringListModel
+SeeAlso: ???
+
+Feature: LISTVIEW
+Description: Supports a list or icon view onto a model.
+Section: ItemViews
+Requires: ITEMVIEWS
+Name: QListView
+SeeAlso: ???
+
+Feature: TABLEVIEW
+Description: Supports a default model/view implementation of a table view. 
+Section: ItemViews
+Requires: ITEMVIEWS 
+Name: QTableView
+SeeAlso: ???
+
+Feature: TREEVIEW
+Description: Supports a default model/view implementation of a tree view.
+Section: ItemViews
+Requires: ITEMVIEWS
+Name: QTreeView
+SeeAlso: ???
+
+Feature: DATAWIDGETMAPPER
+Description: Provides mapping between a section of a data model to widgets.
+Section: ItemViews
+Requires: ITEMVIEWS PROPERTIES
+Name: QDataWidgetMapper
+SeeAlso: ???
+
+Feature: COLUMNVIEW
+Description: Provides a model/view implementation of a column view.
+Section: ItemViews
+Requires: LISTVIEW
+Name: QColumnView
+SeeAlso: ???
+
+# Styles
+
+Feature: STYLE_WINDOWS
+Description: Supports a Microsoft Windows-like look and feel. 
+Section: Styles
+Requires:
+Name: QWindowsStyle
+SeeAlso: ???
+
+Feature: STYLE_MOTIF
+Description: Supports a Motif look and feel. 
+Section: Styles
+Requires:
+Name: QMotifStyle
+SeeAlso: ???
+
+Feature: STYLE_CDE
+Description:  Supports a CDE look and feel. 
+Section: Styles
+Requires: STYLE_MOTIF
+Name: QCDEStyle
+SeeAlso: ???
+
+Feature: STYLE_PLASTIQUE
+Description: Supports a widget style similar to the Plastik style available in KDE.
+Section: Styles
+Requires: STYLE_WINDOWS IMAGEFORMAT_XPM
+Name: QPlastiqueStyle
+SeeAlso: ???
+
+Feature: STYLE_WINDOWSXP
+Description: Supports a Microsoft WindowsXP-like look and feel.
+Section: Styles
+Requires: STYLE_WINDOWS
+Name: QWindowsXPStyle
+SeeAlso: ???
+
+Feature: STYLE_WINDOWSVISTA
+Description: Supports a Microsoft WindowsVista-like look and feel.
+Section: Styles
+Requires: STYLE_WINDOWS STYLE_WINDOWSXP
+Name: QWindowsVistaStyle
+SeeAlso: ???
+
+Feature: STYLE_CLEANLOOKS
+Description: Supports a Gnome CleanLooks-like look and feel.
+Section: Styles
+Requires: STYLE_WINDOWS IMAGEFORMAT_XPM
+Name: QCleanLooksStyle
+SeeAlso: ???
+
+Feature: STYLE_WINDOWSCE
+Description: WindowsCE look and feel
+Section: Styles
+Requires: STYLE_WINDOWS IMAGEFORMAT_XPM
+Name: QWindowsCEStyle
+SeeAlso: ???
+
+Feature: STYLE_WINDOWSMOBILE
+Description: WindowsMobile look and feel
+Section: Styles
+Requires: STYLE_WINDOWS IMAGEFORMAT_XPM
+Name: QWindowsMobileStyle
+SeeAlso: ???
+
+Feature: STYLE_STYLESHEET
+Description: 
+Section: Styles
+Requires: STYLE_WINDOWS PROPERTIES CSSPARSER
+Name: QStyleSheetStyle
+SeeAlso: ???
+
+# Images
+
+Feature: IMAGEFORMATPLUGIN
+Description: Supports writing an image format plugin.
+Section: Images
+Requires: 
+Name: QImageIOPlugin
+SeeAlso: ???
+
+Feature: ICON
+Description: Supports scalable icons in different modes and states.
+Section: Images
+Requires: 
+Name: QIcon
+SeeAlso: ???
+
+Feature: MOVIE
+Description: Supports animated images.
+Section: Images
+Requires:
+Name: QMovie
+SeeAlso: ???
+
+Feature: IMAGEFORMAT_BMP
+Description: Supports Microsoft's  Bitmap image file format.
+Section: Images
+Requires:
+Name: BMP Image Format
+SeeAlso: ???
+
+Feature: IMAGEFORMAT_PPM
+Description: Supports the Portable Pixmap image file format.
+Section: Images
+Requires: 
+Name: PPM Image Format
+SeeAlso: ???
+
+Feature: IMAGEFORMAT_XBM
+Description: Supports the X11 Bitmap image file format.
+Section: Images
+Requires: 
+Name: XBM Image Format
+SeeAlso: ???
+
+Feature: IMAGEFORMAT_XPM
+Description: Supports the X11 Pixmap image file format.
+Section: Images
+Requires: TEXTSTREAM
+Name: XPM Image Format
+SeeAlso: ???
+
+Feature: IMAGEFORMAT_PNG
+Description: Supports the Portable Network Graphics image file format.
+Section: Images
+Requires: 
+Name: PNG Image Format
+SeeAlso: ???
+
+Feature: IMAGEFORMAT_JPEG
+Description: Supports the Joint Photographic Experts Group image file format.
+Section: Images
+Requires: 
+Name: JPEG Image Format
+SeeAlso: ???
+
+Feature: IMAGE_HEURISTIC_MASK
+Description: Supports creating a 1-bpp heuristic mask for images.
+Section: Images
+Requires:
+Name: QImage::createHeuristicMask()
+SeeAlso: ???
+
+Feature: IMAGE_TEXT
+Description: Supports image file text strings.
+Section: Images
+Requires:
+Name: Image Text
+SeeAlso: ???
+
+# Painting
+
+Feature: DIRECTPAINTER
+Description: Supports direct access to the video hardware.
+Section: Painting
+Requires:
+Name: QDirectPainter
+SeeAlso: ???
+
+Feature: PICTURE
+Description: Supports recording and replaying QPainter commands.
+Section: Painting
+Requires: 
+Name: QPicture
+SeeAlso: ???
+
+Feature: COLORNAMES
+Description: Supports color names such as "red", used by QColor
+and by some HTML documents.
+Section: Painting
+Requires:
+Name: Color Names
+SeeAlso: ???
+
+Feature: PRINTER
+Description: Supports printing 
+Section: Painting
+Requires: TEXTSTREAM
+Name: QPrinter
+SeeAlso: ???
+
+Feature: CUPS
+Description Supports the Common UNIX Printing System
+Section: Painting
+Requires: PRINTER LIBRARY
+Name: Common UNIX Printing System
+SeeAlso: ???
+
+Feature: PAINTONSCREEN
+Description: Supports the Qt::WA_PaintOnScreen widget attribute.
+Section: Painting
+Requires:
+Name: Qt::WA_PaintOnScreen
+SeeAlso: ???
+
+Feature: PAINT_DEBUG
+Description: Debug painting with the environment variables QT_FLUSH_UPDATE and QT_FLUSH_PAINT
+Section: Painting
+Requires:
+Name: Painting Debug Utilities
+SeeAlso: ???
+
+Feature: RASTERCALLBACKS
+Description: Supports subclassing the QPaintEngineRaster with callback functions.
+Section: Painting
+Requires:
+Name: Raster Paint Engine callback functions
+SeeAlso: ???
+
+# Fonts
+
+Feature: FREETYPE
+Description: Supports the FreeType 2 font engine (and its supported font formats).
+Section: Fonts
+Requires:
+Name: Freetype Font Engine
+SeeAlso: ???
+
+Feature: QWS_QPF
+Description: Supports Qt's pre-rendered fonts, a light-weight non-scalable font format 
+specific to Qt for Embedded Linux.
+Section: Fonts
+Requires:
+Name: Qt Prerendered Font Format
+SeeAlso: ???
+
+Feature: QWS_QPF2
+Description: Supports Qt's second generation of pre-rendered fonts, a light-weight 
+non-scalable font format specific to Qt for Embedded Linux.
+Section: Fonts
+Requires:
+Name: Qt Prerendered Font Format 2
+SeeAlso: ???
+
+# Internationalization
+
+Feature: TEXTCODECPLUGIN
+Description: Supports custom text codecs that can be loaded dynamically into applications.
+Section: Internationalization
+Requires: TEXTCODEC LIBRARY
+Name: QTextCodecPlugin
+SeeAlso: ???
+
+Feature: TRANSLATION
+Description: Supports translations using QObject::tr().
+Section: Internationalization
+Requires:
+Name: Translation
+SeeAlso: ???
+
+Feature: TRANSLATION_UTF8
+Description: Supports translations using QObject::trUtf8().
+Section: Internationalization
+Requires: TRANSLATION TEXTCODEC
+Name: Translation (UTF-8 representation) 
+SeeAlso: ???
+
+Feature: TEXTCODEC
+Description: Supports conversions between text encodings.
+Section: Internationalization
+Requires:
+Name: QTextCodec
+SeeAlso: ???
+
+Feature: CODECS
+Description: Supports non-unicode text conversions.
+Section: Internationalization
+Requires: TEXTCODEC
+Name: Codecs
+SeeAlso: ???
+
+Feature: BIG_CODECS
+Description: Supports big codecs, e.g. CJK.
+Section: Internationalization
+Requires: 
+Name: Big Codecs
+SeeAlso: ???
+
+Feature: QWS_INPUTMETHODS
+Description: Supports international input methods.
+Section: Internationalization
+Requires: 
+Name: QWSInputMethod
+SeeAlso: ???
+
+# Networking
+
+Feature: URLINFO
+Description: Supports storage of URL information.
+Section: Networking
+Requires: 
+Name: QUrlInfo
+SeeAlso: ???
+
+Feature: HOSTINFO
+Description: Supports host name lookups.
+Section: Networking
+Requires: TEXTSTREAM 
+Name: QHostInfo
+SeeAlso: ???
+
+Feature: FTP
+Description: Supports FTP file access.
+Section: Networking
+Requires: URLINFO TEXTDATE
+Name: File Transfer Protocol
+SeeAlso: ???
+
+Feature: HTTP
+Description: Supports HTTP file access.
+Section: Networking
+Requires: HOSTINFO
+Name: Hyper Text Transfer Protocol
+SeeAlso: ???
+
+Feature: UDPSOCKET
+Description: Supports User Datagram Protocol sockets.
+Section: Networking
+Requires: 
+Name: QUdpSocket
+SeeAlso: ???
+
+Feature: NETWORKPROXY
+Description: Supports configuring network layer proxy support to the Qt network classes.
+Section: Networking
+Requires: 
+Name: QNetworkProxy
+SeeAlso: ???
+
+Feature: SOCKS5
+Description: Supports SOCKS v5 network proxy.
+Section: Networking
+Requires: NETWORKPROXY
+Name:  SOCKS5
+SeeAlso: ???
+
+Feature: COP
+Description: Supports the QCOP protocol, which is a many-to-many
+communication protocol for transferring messages on various
+channels, and Inter Process Communications (IPC).
+Section: Networking
+Requires:
+Name: QCopChannel
+SeeAlso: ???
+
+Feature: NETWORKINTERFACE
+Description: Supports listing the host's IP addresses and network interfaces
+Section: Networking
+Requires:
+Name: QNetworkInterface
+SeeAlso: ???
+
+# Utilities
+
+Feature: COMPLETER
+Description: Provides completions based on an item model.
+Section: Utilities
+Requires: PROXYMODEL
+Name: QCompleter
+SeeAlso: ???
+
+Feature: DESKTOPSERVICES
+Description: Provides methods for accessing common desktop services.
+Section: Utilities
+Requires:
+Name: QDesktopServices
+SeeAlso: ???
+
+Feature: SYSTEMTRAYICON
+Description: Provides an icon for an application in the system tray.
+Section: Utilities
+Requires: ICON
+Name: QSystemTrayIcon
+SeeAlso: ???
+
+Feature: UNDOCOMMAND
+Description: Applies (redo or) undo of a single change in a document.
+Section: Utilities
+Requires:
+Name: QUndoCommand
+SeeAlso: ???
+
+Feature: UNDOSTACK
+Description: Provides the ability to (redo or) undo a list of changes in a document.
+Section: Utilities
+Requires: UNDOCOMMAND
+Name: QUndoStack
+SeeAlso: ???
+
+Feature: UNDOGROUP
+Description: 
+Section: Utilities
+Requires: UNDOCOMMAND UNDOSTACK
+Name: QUndoGroup
+SeeAlso: ???
+
+Feature: UNDOVIEW
+Description: A widget which shows the contents of an undo stack.
+Section: Utilities
+Requires: UNDOSTACK LISTVIEW
+Name: QUndoView
+SeeAlso: ???
+
+Feature: SCRIPT
+Description: Provides support for the QtScript module
+Section: Utilities
+Requires: TEXTDATE DATESTRING PROPERTIES
+Name: QtScript
+SeeAlso: ???
+
+Feature: ACCESSIBILITY
+Description: Provides accessibility support.
+Section: Utilities
+Requires: PROPERTIES
+Name: Accessibility
+SeeAlso: ???
+
+# SVG
+
+Feature: SVG
+Description: Provides classes for displaying the contents of SVG files.
+Section: SVG
+Requires: XMLSTREAMREADER CSSPARSER
+Name: QtSvg module
+SeeAlso: ???
+
+Feature: GRAPHICSSVGITEM
+Description: Provides a QGraphicsItem that can be used to render the contents of SVG files.
+Section: SVG
+Requires: SVGRENDERER GRAPHICSVIEW
+Name: QGraphicsSvgItem
+SeeAlso: ???
+
+Feature: SVGGENERATOR
+Description: Provides a paint device that is used to create SVG drawings.
+Section: SVG
+Requires: SVG
+Name: QSvgGenerator
+SeeAlso: ???
+
+Feature: SVGRENDERER
+Description: Provides a class used to draw the contents of SVG files onto paint devices.
+Section: SVG
+Requires: SVG
+Name: QSvgRenderer
+SeeAlso: ???
+
+Feature: SVGWIDGET
+Description: Provides a widget that is used to display the contents of SVG files. 
+Section: SVG
+Requires: SVGRENDERER
+Name: QSvgWidget
+SeeAlso: ???
+
+
+# Qt for Embedded Linux
+
+Feature: QWS_SOUNDSERVER
+Description: Supports servers playing sounds.
+Section: Qt for Embedded Linux
+Requires: SOUND HOSTINFO QWS_MULTIPROCESS
+Name: Sound Server
+SeeAlso: ???
+
+Feature: QWS_MULTIPROCESS
+Description: Supports multi-process architecture.
+Section: Qt for Embedded Linux
+Requires:
+Name: Multi-Process
+SeeAlso: ???
+
+Feature: QWS_KEYBOARD
+Description: Supports the console keyboard.
+Section: Qt for Embedded Linux
+Requires:
+Name: Keyboard
+SeeAlso: ???
+
+Feature: QWS_CURSOR
+Description: Supports visible cursors.
+Section: Qt for Embedded Linux
+Requires: CURSOR
+Name: Cursor
+SeeAlso: ???
+
+Feature: QWS_ALPHA_CURSOR
+Description: Supports alpha-blended cursors.
+Section: Qt for Embedded Linux
+Requires:
+Name: Alpha Cursor
+SeeAlso: ???
+
+Feature: QWS_MANAGER
+Description: Supports the window manager.
+Section: Qt for Embedded Linux
+Requires: QWS_DECORATION_DEFAULT
+Name: Manager
+SeeAlso: ???
+
+Feature: QWS_DECORATION_DEFAULT
+Description: Supports default decoration of the top level windows. 
+Section: Qt for Embedded Linux
+Requires: 
+Name: Decoration
+SeeAlso: ???
+
+Feature: QWS_DECORATION_WINDOWS
+Description: Supports a "Windows" style decoration of the top level windows. 
+Section: Qt for Embedded Linux
+Requires: QWS_DECORATION_DEFAULT
+Name: Decoration (Windows Style)
+SeeAlso: ???
+
+Feature: QWS_DECORATION_STYLED
+Description: Supports styled decoration of the top level windows. 
+Section: Qt for Embedded Linux
+Requires: QWS_DECORATION_DEFAULT
+Name: Decoration (Styled)
+SeeAlso: ???
+
+Feature: QWS_MOUSE
+Description: Supports mouse drivers.
+Section: Qt for Embedded Linux
+Requires:
+Name: Mouse
+SeeAlso: ???
+
+Feature: QWS_MOUSE_AUTO
+Description: Supports auto-detected mouse drivers.
+Section: Qt for Embedded Linux
+Requires:
+Name: Mouse (Auto)
+SeeAlso: ???
+
+Feature: QWS_MOUSE_MANUAL
+Description: Supports non-autodetected mouse drivers.
+Section: Qt for Embedded Linux
+Requires:
+Name: Mouse (Non-Auto)
+SeeAlso: ???
+
+Feature: QWS_PROPERTIES
+Description: Supports window system properties.
+Section: Qt for Embedded Linux
+Requires:
+Name: Properties
+SeeAlso: ???
+
+Feature: SXE
+Description: Supports Safe Execution Environment (experimental).
+Section: Qt for Embedded Linux
+Requires: QWS_MULTIPROCESS
+Name: SXE
+SeeAlso: ???
+
+Feature: QWSEMBEDWIDGET
+Description: Provides embedding of a top-level window.
+Section: Qt for Embedded Linux
+Requires:
+Name: QWSEmbedWidget
+SeeAlso: ???
+
+Feature: QWS_PROXYSCREEN
+Description: Provides a proxy helper class used by some screen drivers.
+Section: Qt for Embedded Linux
+Requires:
+Name: QProxyScreen
+SeeAlso: ???
+
+Feature: QWS_DYNAMICSCREENTRANSFORMATION
+Description: Enables dynamic setting of screen transformation/rotation.
+Section: Qt for Embedded Linux
+Requires: QWS_PROXYSCREEN
+Name: Dynamic screen transformation.
+SeeAlso: ???
+
+# Windows
+
+Feature: WIN_ACTIVEQT
+Description: Support for ActiveQt
+Section: Windows
+Requires: PROPERTIES
+Name: ActiveQt
+SeeAlso: ???
+
+# Phonon
+
+Feature: PHONON_PLATFORMPLUGIN
+Description: Support for platform plugin
+Section: Phonon
+Requires:
+Name: Phonon::PlatformPlugin
+SeeAlso: ???
+
+Feature: PHONON_EFFECT
+Description: Support for Audio Effect
+Section: Phonon
+Requires:
+Name: Phonon::Effect
+SeeAlso: ???
+
+Feature: PHONON_AUDIOCAPTURE
+Description: Support for Audio Capture
+Section: Phonon
+Requires:
+Name: Support for Audio Capture
+SeeAlso: ???
+
+Feature: PHONON_EFFECTWIDGET
+Description: Support for Audio Effect Widget
+Section: Phonon
+Requires: PHONON_EFFECT COMBOBOX SPINBOX
+Name: Phonon::EffectWidget
+SeeAlso: ???
+
+Feature: PHONON_VOLUMEFADEREFFECT
+Description: Support for Volume Fader Effect class
+Section: Phonon
+Requires: PHONON_EFFECT
+Name: Phonon::VolumeFaderEffect
+SeeAlso: ???
+
+
+Feature: PHONON_OBJECTDESCRIPTIONMODEL
+Description: Support for Object Description Model
+Section: Phonon
+Requires:
+Name: Phonon::ObjectDescriptionModel
+SeeAlso: ???
+
+Feature: PHONON_VIDEO
+Description: Support for Video
+Section: Phonon
+Requires:
+Name: Phonon::VideoWidget
+SeeAlso: ???
+
+Feature: PHONON_VIDEOPLAYER
+Description: Support for the Video Player class
+Section: Phonon
+Requires: PHONON_VIDEO
+Name: Phonon::VideoPlayer
+SeeAlso: ???
+
+
+Feature: PHONON_SEEKSLIDER
+Description: Support for the Seek Slider class
+Section: Phonon
+Requires: SLIDER
+Name: Phonon::SeekSlider
+SeeAlso: ???
+
+Feature: PHONON_VOLUMESLIDER
+Description: Support for the Volume Slider class
+Section: Phonon
+Requires: SLIDER
+Name: Phonon::VolumeSlider
+SeeAlso: ???
+
+Feature: PHONON_MEDIACONTROLLER
+Description: Support for the MediaController class
+Section: Phonon
+Requires: 
+Name: Phonon::MediaController
+SeeAlso: ???
+
+Feature: PHONON_ABSTRACTMEDIASTREAM
+Description: Support for streaming of raw data (QIODevice...)
+Section: Phonon
+Requires: 
+Name: Phonon::AbstractMediaStream
+SeeAlso: ???
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
new file mode 100644
index 0000000000..2767f6f6d1
--- /dev/null
+++ b/src/corelib/global/qglobal.cpp
@@ -0,0 +1,2969 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qstring.h"
+#include "qvector.h"
+#include "qlist.h"
+#include "qthreadstorage.h"
+
+#ifndef QT_NO_QOBJECT
+#include <private/qthread_p.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <string.h>
+
+#if !defined(Q_OS_WINCE)
+#  include <errno.h>
+#  if defined(Q_CC_MSVC)
+#    include <crtdbg.h>
+#  endif
+#endif
+
+#ifdef Q_CC_MWERKS
+#include <CoreServices/CoreServices.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+
+/*!
+    \class QFlag
+    \brief The QFlag class is a helper data type for QFlags.
+
+    It is equivalent to a plain \c int, except with respect to
+    function overloading and type conversions. You should never need
+    to use this class in your applications.
+
+    \sa QFlags
+*/
+
+/*!
+    \fn QFlag::QFlag(int value)
+
+    Constructs a QFlag object that stores the given \a value.
+*/
+
+/*!
+    \fn QFlag::operator int() const
+
+    Returns the value stored by the QFlag object.
+*/
+
+/*!
+    \class QFlags
+    \brief The QFlags class provides a type-safe way of storing
+    OR-combinations of enum values.
+
+    \mainclass
+    \ingroup tools
+
+    The QFlags<Enum> class is a template class, where Enum is an enum
+    type. QFlags is used throughout Qt for storing combinations of
+    enum values.
+
+    The traditional C++ approach for storing OR-combinations of enum
+    values is to use an \c int or \c uint variable. The inconvenience
+    with this approach is that there's no type checking at all; any
+    enum value can be OR'd with any other enum value and passed on to
+    a function that takes an \c int or \c uint.
+
+    Qt uses QFlags to provide type safety. For example, the
+    Qt::Alignment type is simply a typedef for
+    QFlags<Qt::AlignmentFlag>. QLabel::setAlignment() takes a
+    Qt::Alignment parameter, which means that any combination of
+    Qt::AlignmentFlag values,or 0, is legal:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 0
+
+    If you try to pass a value from another enum or just a plain
+    integer other than 0, the compiler will report an error. If you
+    need to cast integer values to flags in a untyped fashion, you can
+    use the explicit QFlags constructor as cast operator.
+
+    If you want to use QFlags for your own enum types, use
+    the Q_DECLARE_FLAGS() and Q_DECLARE_OPERATORS_FOR_FLAGS().
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 1
+
+    You can then use the \c MyClass::Options type to store
+    combinations of \c MyClass::Option values.
+
+    \section1 Flags and the Meta-Object System
+
+    The Q_DECLARE_FLAGS() macro does not expose the flags to the meta-object
+    system, so they cannot be used by Qt Script or edited in Qt Designer.
+    To make the flags available for these purposes, the Q_FLAGS() macro must
+    be used:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp meta-object flags
+
+    \section1 Naming Convention
+
+    A sensible naming convention for enum types and associated QFlags
+    types is to give a singular name to the enum type (e.g., \c
+    Option) and a plural name to the QFlags type (e.g., \c Options).
+    When a singular name is desired for the QFlags type (e.g., \c
+    Alignment), you can use \c Flag as the suffix for the enum type
+    (e.g., \c AlignmentFlag).
+
+    \sa QFlag
+*/
+
+/*!
+    \typedef QFlags::enum_type
+
+    Typedef for the Enum template type.
+*/
+
+/*!
+    \fn QFlags::QFlags(const QFlags &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*!
+    \fn QFlags::QFlags(Enum flag)
+
+    Constructs a QFlags object storing the given \a flag.
+*/
+
+/*!
+    \fn QFlags::QFlags(Zero zero)
+
+    Constructs a QFlags object with no flags set. \a zero must be a
+    literal 0 value.
+*/
+
+/*!
+    \fn QFlags::QFlags(QFlag value)
+
+    Constructs a QFlags object initialized with the given integer \a
+    value.
+
+    The QFlag type is a helper type. By using it here instead of \c
+    int, we effectively ensure that arbitrary enum values cannot be
+    cast to a QFlags, whereas untyped enum values (i.e., \c int
+    values) can.
+*/
+
+/*!
+    \fn QFlags &QFlags::operator=(const QFlags &other)
+
+    Assigns \a other to this object and returns a reference to this
+    object.
+*/
+
+/*!
+    \fn QFlags &QFlags::operator&=(int mask)
+
+    Performs a bitwise AND operation with \a mask and stores the
+    result in this QFlags object. Returns a reference to this object.
+
+    \sa operator&(), operator|=(), operator^=()
+*/
+
+/*!
+    \fn QFlags &QFlags::operator&=(uint mask)
+
+    \overload
+*/
+
+/*!
+    \fn QFlags &QFlags::operator|=(QFlags other)
+
+    Performs a bitwise OR operation with \a other and stores the
+    result in this QFlags object. Returns a reference to this object.
+
+    \sa operator|(), operator&=(), operator^=()
+*/
+
+/*!
+    \fn QFlags &QFlags::operator|=(Enum other)
+
+    \overload
+*/
+
+/*!
+    \fn QFlags &QFlags::operator^=(QFlags other)
+
+    Performs a bitwise XOR operation with \a other and stores the
+    result in this QFlags object. Returns a reference to this object.
+
+    \sa operator^(), operator&=(), operator|=()
+*/
+
+/*!
+    \fn QFlags &QFlags::operator^=(Enum other)
+
+    \overload
+*/
+
+/*!
+    \fn QFlags::operator int() const
+
+    Returns the value stored in the QFlags object as an integer.
+*/
+
+/*!
+    \fn QFlags QFlags::operator|(QFlags other) const
+
+    Returns a QFlags object containing the result of the bitwise OR
+    operation on this object and \a other.
+
+    \sa operator|=(), operator^(), operator&(), operator~()
+*/
+
+/*!
+    \fn QFlags QFlags::operator|(Enum other) const
+
+    \overload
+*/
+
+/*!
+    \fn QFlags QFlags::operator^(QFlags other) const
+
+    Returns a QFlags object containing the result of the bitwise XOR
+    operation on this object and \a other.
+
+    \sa operator^=(), operator&(), operator|(), operator~()
+*/
+
+/*!
+    \fn QFlags QFlags::operator^(Enum other) const
+
+    \overload
+*/
+
+/*!
+    \fn QFlags QFlags::operator&(int mask) const
+
+    Returns a QFlags object containing the result of the bitwise AND
+    operation on this object and \a mask.
+
+    \sa operator&=(), operator|(), operator^(), operator~()
+*/
+
+/*!
+    \fn QFlags QFlags::operator&(uint mask) const
+
+    \overload
+*/
+
+/*!
+    \fn QFlags QFlags::operator&(Enum mask) const
+
+    \overload
+*/
+
+/*!
+    \fn QFlags QFlags::operator~() const
+
+    Returns a QFlags object that contains the bitwise negation of
+    this object.
+
+    \sa operator&(), operator|(), operator^()
+*/
+
+/*!
+    \fn bool QFlags::operator!() const
+
+    Returns true if no flag is set (i.e., if the value stored by the
+    QFlags object is 0); otherwise returns false.
+*/
+
+/*!
+    \fn bool QFlags::testFlag(Enum flag) const
+    \since 4.2
+
+    Returns true if the \a flag is set, otherwise false.
+*/
+
+/*!
+  \macro Q_DISABLE_COPY(Class)
+  \relates QObject
+
+  Disables the use of copy constructors and assignment operators
+  for the given \a Class.
+
+  Instances of subclasses of QObject should not be thought of as
+  values that can be copied or assigned, but as unique identities.
+  This means that when you create your own subclass of QObject
+  (director or indirect), you should \e not give it a copy constructor
+  or an assignment operator.  However, it may not enough to simply
+  omit them from your class, because, if you mistakenly write some code
+  that requires a copy constructor or an assignment operator (it's easy
+  to do), your compiler will thoughtfully create it for you. You must
+  do more.
+
+  The curious user will have seen that the Qt classes derived
+  from QObject typically include this macro in a private section:
+
+  \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 43
+
+  It declares a copy constructor and an assignment operator in the
+  private section, so that if you use them by mistake, the compiler
+  will report an error.
+
+  \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 44
+
+  But even this might not catch absolutely every case. You might be
+  tempted to do something like this:
+
+  \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 45
+
+  First of all, don't do that. Most compilers will generate code that
+  uses the copy constructor, so the privacy violation error will be
+  reported, but your C++ compiler is not required to generate code for
+  this statement in a specific way. It could generate code using
+  \e{neither} the copy constructor \e{nor} the assignment operator we
+  made private. In that case, no error would be reported, but your
+  application would probably crash when you called a member function
+  of \c{w}.
+*/
+
+/*!
+    \macro Q_DECLARE_FLAGS(Flags, Enum)
+    \relates QFlags
+
+    The Q_DECLARE_FLAGS() macro expands to
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 2
+
+    \a Enum is the name of an existing enum type, whereas \a Flags is
+    the name of the QFlags<\e{Enum}> typedef.
+
+    See the QFlags documentation for details.
+
+    \sa Q_DECLARE_OPERATORS_FOR_FLAGS()
+*/
+
+/*!
+    \macro Q_DECLARE_OPERATORS_FOR_FLAGS(Flags)
+    \relates QFlags
+
+    The Q_DECLARE_OPERATORS_FOR_FLAGS() macro declares global \c
+    operator|() functions for \a Flags, which is of type QFlags<T>.
+
+    See the QFlags documentation for details.
+
+    \sa Q_DECLARE_FLAGS()
+*/
+
+/*!
+    \headerfile <QtGlobal>
+    \title Global Qt Declarations
+    \ingroup architecture
+
+    \brief The <QtGlobal> header provides basic declarations and
+    is included by all other Qt headers.
+
+    The declarations include \l {types}, \l functions and
+    \l macros.
+
+    The type definitions are partly convenience definitions for basic
+    types (some of which guarantee certain bit-sizes on all platforms
+    supported by Qt), partly types related to Qt message handling. The
+    functions are related to generating messages, Qt version handling
+    and comparing and adjusting object values. And finally, some of
+    the declared macros enable programmers to add compiler or platform
+    specific code to their applications, while others are convenience
+    macros for larger operations.
+
+    \section1 Types
+
+    The header file declares several type definitions that guarantee a
+    specified bit-size on all platforms supported by Qt for various
+    basic types, for example \l qint8 which is a signed char
+    guaranteed to be 8-bit on all platforms supported by Qt. The
+    header file also declares the \l qlonglong type definition for \c
+    {long long int } (\c __int64 on Windows).
+
+    Several convenience type definitions are declared: \l qreal for \c
+    double, \l uchar for \c unsigned char, \l uint for \c unsigned
+    int, \l ulong for \c unsigned long and \l ushort for \c unsigned
+    short.
+
+    Finally, the QtMsgType definition identifies the various messages
+    that can be generated and sent to a Qt message handler;
+    QtMsgHandler is a type definition for a pointer to a function with
+    the signature \c {void myMsgHandler(QtMsgType, const char *)}.
+
+    \section1 Functions
+
+    The <QtGlobal> header file contains several functions comparing
+    and adjusting an object's value. These functions take a template
+    type as argument: You can retrieve the absolute value of an object
+    using the qAbs() function, and you can bound a given object's
+    value by given minimum and maximum values using the qBound()
+    function. You can retrieve the minimum and maximum of two given
+    objects using qMin() and qMax() respectively. All these functions
+    return a corresponding template type; the template types can be
+    replaced by any other type. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 3
+
+    <QtGlobal> also contains functions that generate messages from the
+    given string argument: qCritical(), qDebug(), qFatal() and
+    qWarning(). These functions call the message handler with the
+    given message. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 4
+
+    The remaining functions are qRound() and qRound64(), which both
+    accept a \l qreal value as their argument returning the value
+    rounded up to the nearest integer and 64-bit integer respectively,
+    the qInstallMsgHandler() function which installs the given
+    QtMsgHandler, and the qVersion() function which returns the
+    version number of Qt at run-time as a string.
+
+    \section1 Macros
+
+    The <QtGlobal> header file provides a range of macros (Q_CC_*)
+    that are defined if the application is compiled using the
+    specified platforms. For example, the Q_CC_SUN macro is defined if
+    the application is compiled using Forte Developer, or Sun Studio
+    C++.  The header file also declares a range of macros (Q_OS_*)
+    that are defined for the specified platforms. For example,
+    Q_OS_X11 which is defined for the X Window System.
+
+    The purpose of these macros is to enable programmers to add
+    compiler or platform specific code to their application.
+
+    The remaining macros are convenience macros for larger operations:
+    The QT_TRANSLATE_NOOP() and QT_TR_NOOP() macros provide the
+    possibility of marking text for dynamic translation,
+    i.e. translation without changing the stored source text. The
+    Q_ASSERT() and Q_ASSERT_X() enables warning messages of various
+    level of refinement. The Q_FOREACH() and foreach() macros
+    implement Qt's foreach loop.
+
+    The Q_INT64_C() and Q_UINT64_C() macros wrap signed and unsigned
+    64-bit integer literals in a platform-independent way. The
+    Q_CHECK_PTR() macro prints a warning containing the source code's
+    file name and line number, saying that the program ran out of
+    memory, if the pointer is 0. The qPrintable() macro represent an
+    easy way of printing text.
+
+    Finally, the QT_POINTER_SIZE macro expands to the size of a
+    pointer in bytes, and the QT_VERSION and QT_VERSION_STR macros
+    expand to a numeric value or a string, respectively, specifying
+    Qt's version number, i.e the version the application is compiled
+    against.
+
+    \sa <QtAlgorithms>, QSysInfo
+*/
+
+/*!
+    \typedef qreal
+    \relates <QtGlobal>
+
+    Typedef for \c double on all platforms except for those using CPUs with
+    ARM architectures.
+    On ARM-based platforms, \c qreal is a typedef for \c float for performance
+    reasons.
+*/
+
+/*! \typedef uchar
+    \relates <QtGlobal>
+
+    Convenience typedef for \c{unsigned char}.
+*/
+
+/*!
+    \fn qt_set_sequence_auto_mnemonic(bool on)
+    \relates <QtGlobal>
+
+    Enables automatic mnemonics on Mac if \a on is true; otherwise
+    this feature is disabled.
+
+    Note that this function is only available on Mac where mnemonics
+    are disabled by default.
+
+    To access to this function, use an extern declaration:
+    extern void qt_set_sequence_auto_mnemonic(bool b);
+
+    \sa {QShortcut#mnemonic}{QShortcut}
+*/
+
+/*! \typedef ushort
+    \relates <QtGlobal>
+
+    Convenience typedef for \c{unsigned short}.
+*/
+
+/*! \typedef uint
+    \relates <QtGlobal>
+
+    Convenience typedef for \c{unsigned int}.
+*/
+
+/*! \typedef ulong
+    \relates <QtGlobal>
+
+    Convenience typedef for \c{unsigned long}.
+*/
+
+/*! \typedef qint8
+    \relates <QtGlobal>
+
+    Typedef for \c{signed char}. This type is guaranteed to be 8-bit
+    on all platforms supported by Qt.
+*/
+
+/*!
+    \typedef quint8
+    \relates <QtGlobal>
+
+    Typedef for \c{unsigned char}. This type is guaranteed to
+    be 8-bit on all platforms supported by Qt.
+*/
+
+/*! \typedef qint16
+    \relates <QtGlobal>
+
+    Typedef for \c{signed short}. This type is guaranteed to be
+    16-bit on all platforms supported by Qt.
+*/
+
+/*!
+    \typedef quint16
+    \relates <QtGlobal>
+
+    Typedef for \c{unsigned short}. This type is guaranteed to
+    be 16-bit on all platforms supported by Qt.
+*/
+
+/*! \typedef qint32
+    \relates <QtGlobal>
+
+    Typedef for \c{signed int}. This type is guaranteed to be 32-bit
+    on all platforms supported by Qt.
+*/
+
+/*!
+    \typedef quint32
+    \relates <QtGlobal>
+
+    Typedef for \c{unsigned int}. This type is guaranteed to
+    be 32-bit on all platforms supported by Qt.
+*/
+
+/*! \typedef qint64
+    \relates <QtGlobal>
+
+    Typedef for \c{long long int} (\c __int64 on Windows). This type
+    is guaranteed to be 64-bit on all platforms supported by Qt.
+
+    Literals of this type can be created using the Q_INT64_C() macro:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 5
+
+    \sa Q_INT64_C(), quint64, qlonglong
+*/
+
+/*!
+    \typedef quint64
+    \relates <QtGlobal>
+
+    Typedef for \c{unsigned long long int} (\c{unsigned __int64} on
+    Windows). This type is guaranteed to be 64-bit on all platforms
+    supported by Qt.
+
+    Literals of this type can be created using the Q_UINT64_C()
+    macro:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 6
+
+    \sa Q_UINT64_C(), qint64, qulonglong
+*/
+
+/*!
+    \typedef quintptr
+    \relates <QtGlobal>
+
+    Integral type for representing a pointers (useful for hashing,
+    etc.).
+
+    Typedef for either quint32 or quint64. This type is guaranteed to
+    be the same size as a pointer on all platforms supported by Qt. On
+    a system with 32-bit pointers, quintptr is a typedef for quint32;
+    on a system with 64-bit pointers, quintptr is a typedef for
+    quint64.
+
+    Note that quintptr is unsigned. Use qptrdiff for signed values.
+
+    \sa qptrdiff, quint32, quint64
+*/
+
+/*!
+    \typedef qptrdiff
+    \relates <QtGlobal>
+
+    Integral type for representing pointer differences.
+
+    Typedef for either qint32 or qint64. This type is guaranteed to be
+    the same size as a pointer on all platforms supported by Qt. On a
+    system with 32-bit pointers, quintptr is a typedef for quint32; on
+    a system with 64-bit pointers, quintptr is a typedef for quint64.
+
+    Note that qptrdiff is signed. Use quintptr for unsigned values.
+
+    \sa quintptr, qint32, qint64
+*/
+
+/*!
+    \typedef QtMsgHandler
+    \relates <QtGlobal>
+
+    This is a typedef for a pointer to a function with the following
+    signature:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 7
+
+    \sa QtMsgType, qInstallMsgHandler()
+*/
+
+/*!
+    \enum QtMsgType
+    \relates <QtGlobal>
+
+    This enum describes the messages that can be sent to a message
+    handler (QtMsgHandler). You can use the enum to identify and
+    associate the various message types with the appropriate
+    actions.
+
+    \value QtDebugMsg
+           A message generated by the qDebug() function.
+    \value QtWarningMsg
+           A message generated by the qWarning() function.
+    \value QtCriticalMsg
+           A message generated by the qCritical() function.
+    \value QtFatalMsg
+           A message generated by the qFatal() function.
+    \value QtSystemMsg
+
+
+    \sa QtMsgHandler, qInstallMsgHandler()
+*/
+
+/*! \macro qint64 Q_INT64_C(literal)
+    \relates <QtGlobal>
+
+    Wraps the signed 64-bit integer \a literal in a
+    platform-independent way. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 8
+
+    \sa qint64, Q_UINT64_C()
+*/
+
+/*! \macro quint64 Q_UINT64_C(literal)
+    \relates <QtGlobal>
+
+    Wraps the unsigned 64-bit integer \a literal in a
+    platform-independent way. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 9
+
+    \sa quint64, Q_INT64_C()
+*/
+
+/*! \typedef qlonglong
+    \relates <QtGlobal>
+
+    Typedef for \c{long long int} (\c __int64 on Windows). This is
+    the same as \l qint64.
+
+    \sa qulonglong, qint64
+*/
+
+/*!
+    \typedef qulonglong
+    \relates <QtGlobal>
+
+    Typedef for \c{unsigned long long int} (\c{unsigned __int64} on
+    Windows). This is the same as \l quint64.
+
+    \sa quint64, qlonglong
+*/
+
+/*! \fn const T &qAbs(const T &value)
+    \relates <QtGlobal>
+
+    Returns the absolute value of \a value. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 10
+*/
+
+/*! \fn int qRound(qreal value)
+    \relates <QtGlobal>
+
+    Rounds \a value to the nearest integer. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 11
+*/
+
+/*! \fn qint64 qRound64(qreal value)
+    \relates <QtGlobal>
+
+    Rounds \a value to the nearest 64-bit integer. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 12
+*/
+
+/*! \fn const T &qMin(const T &value1, const T &value2)
+    \relates <QtGlobal>
+
+    Returns the minimum of \a value1 and \a value2. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 13
+
+    \sa qMax(), qBound()
+*/
+
+/*! \fn const T &qMax(const T &value1, const T &value2)
+    \relates <QtGlobal>
+
+    Returns the maximum of \a value1 and \a value2. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 14
+
+    \sa qMin(), qBound()
+*/
+
+/*! \fn const T &qBound(const T &min, const T &value, const T &max)
+    \relates <QtGlobal>
+
+    Returns \a value bounded by \a min and \a max. This is equivalent
+    to qMax(\a min, qMin(\a value, \a max)). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 15
+
+    \sa qMin(), qMax()
+*/
+
+/*!
+    \typedef Q_INT8
+    \relates <QtGlobal>
+    \compat
+
+    Use \l qint8 instead.
+*/
+
+/*!
+    \typedef Q_UINT8
+    \relates <QtGlobal>
+    \compat
+
+    Use \l quint8 instead.
+*/
+
+/*!
+    \typedef Q_INT16
+    \relates <QtGlobal>
+    \compat
+
+    Use \l qint16 instead.
+*/
+
+/*!
+    \typedef Q_UINT16
+    \relates <QtGlobal>
+    \compat
+
+    Use \l quint16 instead.
+*/
+
+/*!
+    \typedef Q_INT32
+    \relates <QtGlobal>
+    \compat
+
+    Use \l qint32 instead.
+*/
+
+/*!
+    \typedef Q_UINT32
+    \relates <QtGlobal>
+    \compat
+
+    Use \l quint32 instead.
+*/
+
+/*!
+    \typedef Q_INT64
+    \relates <QtGlobal>
+    \compat
+
+    Use \l qint64 instead.
+*/
+
+/*!
+    \typedef Q_UINT64
+    \relates <QtGlobal>
+    \compat
+
+    Use \l quint64 instead.
+*/
+
+/*!
+    \typedef Q_LLONG
+    \relates <QtGlobal>
+    \compat
+
+    Use \l qint64 instead.
+*/
+
+/*!
+    \typedef Q_ULLONG
+    \relates <QtGlobal>
+    \compat
+
+    Use \l quint64 instead.
+*/
+
+/*!
+    \typedef Q_LONG
+    \relates <QtGlobal>
+    \compat
+
+    Use \c{void *} instead.
+*/
+
+/*!
+    \typedef Q_ULONG
+    \relates <QtGlobal>
+    \compat
+
+    Use \c{void *} instead.
+*/
+
+/*! \fn bool qSysInfo(int *wordSize, bool *bigEndian)
+    \relates <QtGlobal>
+
+    Use QSysInfo::WordSize and QSysInfo::ByteOrder instead.
+*/
+
+/*!
+    \fn bool qt_winUnicode()
+    \relates <QtGlobal>
+
+    Use QSysInfo::WindowsVersion and QSysInfo::WV_DOS_based instead.
+
+    \sa QSysInfo
+*/
+
+/*!
+    \fn int qWinVersion()
+    \relates <QtGlobal>
+
+    Use QSysInfo::WindowsVersion instead.
+
+    \sa QSysInfo
+*/
+
+/*!
+    \fn int qMacVersion()
+    \relates <QtGlobal>
+
+    Use QSysInfo::MacintoshVersion instead.
+
+    \sa QSysInfo
+*/
+
+/*!
+    \macro QT_VERSION
+    \relates <QtGlobal>
+
+    This macro expands a numeric value of the form 0xMMNNPP (MM =
+    major, NN = minor, PP = patch) that specifies Qt's version
+    number. For example, if you compile your application against Qt
+    4.1.2, the QT_VERSION macro will expand to 0x040102.
+
+    You can use QT_VERSION to use the latest Qt features where
+    available. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 16
+
+    \sa QT_VERSION_STR, qVersion()
+*/
+
+/*!
+    \macro QT_VERSION_STR
+    \relates <QtGlobal>
+
+    This macro expands to a string that specifies Qt's version number
+    (for example, "4.1.2"). This is the version against which the
+    application is compiled.
+
+    \sa qVersion(), QT_VERSION
+*/
+
+/*!
+    \relates <QtGlobal>
+
+    Returns the version number of Qt at run-time as a string (for
+    example, "4.1.2"). This may be a different version than the
+    version the application was compiled against.
+
+    \sa QT_VERSION_STR
+*/
+
+const char *qVersion()
+{
+    return QT_VERSION_STR;
+}
+
+bool qSharedBuild()
+{
+#ifdef QT_SHARED
+    return true;
+#else
+    return false;
+#endif
+}
+
+/*****************************************************************************
+  System detection routines
+ *****************************************************************************/
+
+/*!
+    \class QSysInfo
+    \brief The QSysInfo class provides information about the system.
+
+    \list
+    \o \l WordSize specifies the size of a pointer for the platform
+       on which the application is compiled.
+    \o \l ByteOrder specifies whether the platform is big-endian or
+       little-endian.
+    \o \l WindowsVersion specifies the version of the Windows operating
+       system on which the application is run (Windows only)
+    \o \l MacintoshVersion specifies the version of the Macintosh
+       operating system on which the application is run (Mac only).
+    \endlist
+
+    Some constants are defined only on certain platforms. You can use
+    the preprocessor symbols Q_WS_WIN and Q_WS_MAC to test that
+    the application is compiled under Windows or Mac.
+
+    \sa QLibraryInfo
+*/
+
+/*!
+    \enum QSysInfo::Sizes
+
+    This enum provides platform-specific information about the sizes of data
+    structures used by the underlying architecture.
+
+    \value WordSize The size in bits of a pointer for the platform on which
+           the application is compiled (32 or 64).
+*/
+
+/*!
+    \variable QSysInfo::WindowsVersion
+    \brief the version of the Windows operating system on which the
+           application is run (Windows only)
+*/
+
+/*!
+    \fn QSysInfo::WindowsVersion QSysInfo::windowsVersion()
+    \since 4.4
+
+    Returns the version of the Windows operating system on which the
+    application is run (Windows only).
+*/
+
+/*!
+    \variable QSysInfo::MacintoshVersion
+    \brief the version of the Macintosh operating system on which
+           the application is run (Mac only).
+*/
+
+/*!
+    \enum QSysInfo::Endian
+
+    \value BigEndian  Big-endian byte order (also called Network byte order)
+    \value LittleEndian  Little-endian byte order
+    \value ByteOrder  Equals BigEndian or LittleEndian, depending on
+                      the platform's byte order.
+*/
+
+/*!
+    \enum QSysInfo::WinVersion
+
+    This enum provides symbolic names for the various versions of the
+    Windows operating system. On Windows, the
+    QSysInfo::WindowsVersion variable gives the version of the system
+    on which the application is run.
+
+    MS-DOS-based versions:
+
+    \value WV_32s   Windows 3.1 with Win 32s
+    \value WV_95    Windows 95
+    \value WV_98    Windows 98
+    \value WV_Me    Windows Me
+
+    NT-based versions (note that each operating system version is only represented once rather than each Windows edition):
+
+    \value WV_NT    Windows NT (operating system version 4.0)
+    \value WV_2000  Windows 2000 (operating system version 5.0)
+    \value WV_XP    Windows XP (operating system version 5.1)
+    \value WV_2003  Windows Server 2003, Windows Server 2003 R2, Windows Home Server, Windows XP Professional x64 Edition (operating system version 5.2)
+    \value WV_VISTA Windows Vista, Windows Server 2008 (operating system version 6.0)
+
+    Alternatively, you may use the following macros which correspond directly to the Windows operating system version number:
+
+    \value WV_4_0   Operating system version 4.0, corresponds to Windows NT
+    \value WV_5_0   Operating system version 5.0, corresponds to Windows 2000
+    \value WV_5_1   Operating system version 5.1, corresponds to Windows XP
+    \value WV_5_2   Operating system version 5.2, corresponds to Windows Server 2003, Windows Server 2003 R2, Windows Home Server, and Windows XP Professional x64 Edition
+    \value WV_6_0   Operating system version 6.0, corresponds to Windows Vista and Windows Server 2008
+
+    CE-based versions:
+
+    \value WV_CE    Windows CE
+    \value WV_CENET Windows CE .NET
+    \value WV_CE_5  Windows CE 5.x
+    \value WV_CE_6  Windows CE 6.x
+
+    The following masks can be used for testing whether a Windows
+    version is MS-DOS-based, NT-based, or CE-based:
+
+    \value WV_DOS_based MS-DOS-based version of Windows
+    \value WV_NT_based  NT-based version of Windows
+    \value WV_CE_based  CE-based version of Windows
+
+    \sa MacVersion
+*/
+
+/*!
+    \enum QSysInfo::MacVersion
+
+    This enum provides symbolic names for the various versions of the
+    Macintosh operating system. On Mac, the
+    QSysInfo::MacintoshVersion variable gives the version of the
+    system on which the application is run.
+
+    \value MV_9        Mac OS 9 (unsupported)
+    \value MV_10_0     Mac OS X 10.0 (unsupported)
+    \value MV_10_1     Mac OS X 10.1 (unsupported)
+    \value MV_10_2     Mac OS X 10.2 (unsupported)
+    \value MV_10_3     Mac OS X 10.3
+    \value MV_10_4     Mac OS X 10.4
+    \value MV_10_5     Mac OS X 10.5
+    \value MV_Unknown  An unknown and currently unsupported platform
+
+    \value MV_CHEETAH  Apple codename for MV_10_0
+    \value MV_PUMA     Apple codename for MV_10_1
+    \value MV_JAGUAR   Apple codename for MV_10_2
+    \value MV_PANTHER  Apple codename for MV_10_3
+    \value MV_TIGER    Apple codename for MV_10_4
+    \value MV_LEOPARD  Apple codename for MV_10_5
+
+    \sa WinVersion
+*/
+
+/*!
+    \macro Q_WS_MAC
+    \relates <QtGlobal>
+
+    Defined on Mac OS X.
+
+    \sa Q_WS_WIN, Q_WS_X11, Q_WS_QWS
+*/
+
+/*!
+    \macro Q_WS_WIN
+    \relates <QtGlobal>
+
+    Defined on Windows.
+
+    \sa Q_WS_MAC, Q_WS_X11, Q_WS_QWS
+*/
+
+/*!
+    \macro Q_WS_X11
+    \relates <QtGlobal>
+
+    Defined on X11.
+
+    \sa Q_WS_MAC, Q_WS_WIN, Q_WS_QWS
+*/
+
+/*!
+    \macro Q_WS_QWS
+    \relates <QtGlobal>
+
+    Defined on Qt for Embedded Linux.
+
+    \sa Q_WS_MAC, Q_WS_WIN, Q_WS_X11
+*/
+
+/*!
+    \macro Q_OS_DARWIN
+    \relates <QtGlobal>
+
+    Defined on Darwin OS (synonym for Q_OS_MAC).
+*/
+
+/*!
+    \macro Q_OS_MSDOS
+    \relates <QtGlobal>
+
+    Defined on MS-DOS and Windows.
+*/
+
+/*!
+    \macro Q_OS_OS2
+    \relates <QtGlobal>
+
+    Defined on OS/2.
+*/
+
+/*!
+    \macro Q_OS_OS2EMX
+    \relates <QtGlobal>
+
+    Defined on XFree86 on OS/2 (not PM).
+*/
+
+/*!
+    \macro Q_OS_WIN32
+    \relates <QtGlobal>
+
+    Defined on all supported versions of Windows.
+*/
+
+/*!
+    \macro Q_OS_WINCE
+    \relates <QtGlobal>
+
+    Defined on Windows CE.
+*/
+
+/*!
+    \macro Q_OS_CYGWIN
+    \relates <QtGlobal>
+
+    Defined on Cygwin.
+*/
+
+/*!
+    \macro Q_OS_SOLARIS
+    \relates <QtGlobal>
+
+    Defined on Sun Solaris.
+*/
+
+/*!
+    \macro Q_OS_HPUX
+    \relates <QtGlobal>
+
+    Defined on HP-UX.
+*/
+
+/*!
+    \macro Q_OS_ULTRIX
+    \relates <QtGlobal>
+
+    Defined on DEC Ultrix.
+*/
+
+/*!
+    \macro Q_OS_LINUX
+    \relates <QtGlobal>
+
+    Defined on Linux.
+*/
+
+/*!
+    \macro Q_OS_FREEBSD
+    \relates <QtGlobal>
+
+    Defined on FreeBSD.
+*/
+
+/*!
+    \macro Q_OS_NETBSD
+    \relates <QtGlobal>
+
+    Defined on NetBSD.
+*/
+
+/*!
+    \macro Q_OS_OPENBSD
+    \relates <QtGlobal>
+
+    Defined on OpenBSD.
+*/
+
+/*!
+    \macro Q_OS_BSDI
+    \relates <QtGlobal>
+
+    Defined on BSD/OS.
+*/
+
+/*!
+    \macro Q_OS_IRIX
+    \relates <QtGlobal>
+
+    Defined on SGI Irix.
+*/
+
+/*!
+    \macro Q_OS_OSF
+    \relates <QtGlobal>
+
+    Defined on HP Tru64 UNIX.
+*/
+
+/*!
+    \macro Q_OS_SCO
+    \relates <QtGlobal>
+
+    Defined on SCO OpenServer 5.
+*/
+
+/*!
+    \macro Q_OS_UNIXWARE
+    \relates <QtGlobal>
+
+    Defined on UnixWare 7, Open UNIX 8.
+*/
+
+/*!
+    \macro Q_OS_AIX
+    \relates <QtGlobal>
+
+    Defined on AIX.
+*/
+
+/*!
+    \macro Q_OS_HURD
+    \relates <QtGlobal>
+
+    Defined on GNU Hurd.
+*/
+
+/*!
+    \macro Q_OS_DGUX
+    \relates <QtGlobal>
+
+    Defined on DG/UX.
+*/
+
+/*!
+    \macro Q_OS_RELIANT
+    \relates <QtGlobal>
+
+    Defined on Reliant UNIX.
+*/
+
+/*!
+    \macro Q_OS_DYNIX
+    \relates <QtGlobal>
+
+    Defined on DYNIX/ptx.
+*/
+
+/*!
+    \macro Q_OS_QNX
+    \relates <QtGlobal>
+
+    Defined on QNX.
+*/
+
+/*!
+    \macro Q_OS_QNX6
+    \relates <QtGlobal>
+
+    Defined on QNX RTP 6.1.
+*/
+
+/*!
+    \macro Q_OS_LYNX
+    \relates <QtGlobal>
+
+    Defined on LynxOS.
+*/
+
+/*!
+    \macro Q_OS_BSD4
+    \relates <QtGlobal>
+
+    Defined on Any BSD 4.4 system.
+*/
+
+/*!
+    \macro Q_OS_UNIX
+    \relates <QtGlobal>
+
+    Defined on Any UNIX BSD/SYSV system.
+*/
+
+/*!
+    \macro Q_CC_SYM
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Digital Mars C/C++
+    (used to be Symantec C++).
+*/
+
+/*!
+    \macro Q_CC_MWERKS
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Metrowerks
+    CodeWarrior.
+*/
+
+/*!
+    \macro Q_CC_MSVC
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Microsoft Visual
+    C/C++, Intel C++ for Windows.
+*/
+
+/*!
+    \macro Q_CC_BOR
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Borland/Turbo C++.
+*/
+
+/*!
+    \macro Q_CC_WAT
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Watcom C++.
+*/
+
+/*!
+    \macro Q_CC_GNU
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using GNU C++.
+*/
+
+/*!
+    \macro Q_CC_COMEAU
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Comeau C++.
+*/
+
+/*!
+    \macro Q_CC_EDG
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Edison Design Group
+    C++.
+*/
+
+/*!
+    \macro Q_CC_OC
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using CenterLine C++.
+*/
+
+/*!
+    \macro Q_CC_SUN
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Forte Developer, or
+    Sun Studio C++.
+*/
+
+/*!
+    \macro Q_CC_MIPS
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using MIPSpro C++.
+*/
+
+/*!
+    \macro Q_CC_DEC
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using DEC C++.
+*/
+
+/*!
+    \macro Q_CC_HPACC
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using HP aC++.
+*/
+
+/*!
+    \macro Q_CC_USLC
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using SCO OUDK and UDK.
+*/
+
+/*!
+    \macro Q_CC_CDS
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Reliant C++.
+*/
+
+/*!
+    \macro Q_CC_KAI
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using KAI C++.
+*/
+
+/*!
+    \macro Q_CC_INTEL
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Intel C++ for Linux,
+    Intel C++ for Windows.
+*/
+
+/*!
+    \macro Q_CC_HIGHC
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using MetaWare High C/C++.
+*/
+
+/*!
+    \macro Q_CC_PGI
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Portland Group C++.
+*/
+
+/*!
+    \macro Q_CC_GHS
+    \relates <QtGlobal>
+
+    Defined if the application is compiled using Green Hills
+    Optimizing C++ Compilers.
+*/
+
+#if defined(QT_BUILD_QMAKE)
+// needed to bootstrap qmake
+static const unsigned int qt_one = 1;
+const int QSysInfo::ByteOrder = ((*((unsigned char *) &qt_one) == 0) ? BigEndian : LittleEndian);
+#endif
+
+#if !defined(QWS) && defined(Q_OS_MAC)
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include "private/qcore_mac_p.h"
+#include "qnamespace.h"
+QT_END_INCLUDE_NAMESPACE
+
+Q_CORE_EXPORT OSErr qt_mac_create_fsref(const QString &file, FSRef *fsref)
+{
+    return FSPathMakeRef(reinterpret_cast<const UInt8 *>(file.toUtf8().constData()), fsref, 0);
+}
+
+// Don't use this function, it won't work in 10.5 (Leopard) and up
+Q_CORE_EXPORT OSErr qt_mac_create_fsspec(const QString &file, FSSpec *spec)
+{
+    FSRef fsref;
+    OSErr ret = qt_mac_create_fsref(file, &fsref);
+    if (ret == noErr)
+        ret = FSGetCatalogInfo(&fsref, kFSCatInfoNone, 0, 0, spec, 0);
+    return ret;
+}
+
+Q_CORE_EXPORT void qt_mac_to_pascal_string(QString s, Str255 str, TextEncoding encoding=0, int len=-1)
+{
+    if(len == -1)
+        len = s.length();
+#if 0
+    UnicodeMapping mapping;
+    mapping.unicodeEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
+                                                 kTextEncodingDefaultVariant,
+                                                 kUnicode16BitFormat);
+    mapping.otherEncoding = (encoding ? encoding : );
+    mapping.mappingVersion = kUnicodeUseLatestMapping;
+
+    UnicodeToTextInfo info;
+    OSStatus err = CreateUnicodeToTextInfo(&mapping, &info);
+    if(err != noErr) {
+        qDebug("Qt: internal: Unable to create pascal string '%s'::%d [%ld]",
+               s.left(len).latin1(), (int)encoding, err);
+        return;
+    }
+    const int unilen = len * 2;
+    const UniChar *unibuf = (UniChar *)s.unicode();
+    ConvertFromUnicodeToPString(info, unilen, unibuf, str);
+    DisposeUnicodeToTextInfo(&info);
+#else
+    Q_UNUSED(encoding);
+    CFStringGetPascalString(QCFString(s), str, 256, CFStringGetSystemEncoding());
+#endif
+}
+
+Q_CORE_EXPORT QString qt_mac_from_pascal_string(const Str255 pstr) {
+    return QCFString(CFStringCreateWithPascalString(0, pstr, CFStringGetSystemEncoding()));
+}
+
+
+
+static QSysInfo::MacVersion macVersion()
+{
+    SInt32 gestalt_version;
+    if (Gestalt(gestaltSystemVersion, &gestalt_version) == noErr) {
+        return QSysInfo::MacVersion(((gestalt_version & 0x00F0) >> 4) + 2);
+    }
+    return QSysInfo::MV_Unknown;
+}
+const QSysInfo::MacVersion QSysInfo::MacintoshVersion = macVersion();
+
+#elif defined(Q_OS_WIN32) || defined(Q_OS_CYGWIN) || defined(Q_OS_WINCE)
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include "qt_windows.h"
+QT_END_INCLUDE_NAMESPACE
+
+QSysInfo::WinVersion QSysInfo::windowsVersion()
+{
+#ifndef VER_PLATFORM_WIN32s
+#define VER_PLATFORM_WIN32s            0
+#endif
+#ifndef VER_PLATFORM_WIN32_WINDOWS
+#define VER_PLATFORM_WIN32_WINDOWS  1
+#endif
+#ifndef VER_PLATFORM_WIN32_NT
+#define VER_PLATFORM_WIN32_NT            2
+#endif
+#ifndef VER_PLATFORM_WIN32_CE
+#define VER_PLATFORM_WIN32_CE            3
+#endif
+
+    static QSysInfo::WinVersion winver;
+    if (winver)
+        return winver;
+    winver = QSysInfo::WV_NT;
+#ifndef Q_OS_WINCE
+    OSVERSIONINFOA osver;
+    osver.dwOSVersionInfoSize = sizeof(osver);
+    GetVersionExA(&osver);
+#else
+    DWORD qt_cever = 0;
+    OSVERSIONINFOW osver;
+    osver.dwOSVersionInfoSize = sizeof(osver);
+    GetVersionEx(&osver);
+    qt_cever = osver.dwMajorVersion * 100;
+    qt_cever += osver.dwMinorVersion * 10;
+#endif
+    switch (osver.dwPlatformId) {
+    case VER_PLATFORM_WIN32s:
+        winver = QSysInfo::WV_32s;
+        break;
+    case VER_PLATFORM_WIN32_WINDOWS:
+        // We treat Windows Me (minor 90) the same as Windows 98
+        if (osver.dwMinorVersion == 90)
+            winver = QSysInfo::WV_Me;
+        else if (osver.dwMinorVersion == 10)
+            winver = QSysInfo::WV_98;
+        else
+            winver = QSysInfo::WV_95;
+        break;
+#ifdef Q_OS_WINCE
+    case VER_PLATFORM_WIN32_CE:
+        if (qt_cever >= 600)
+            winver = QSysInfo::WV_CE_6;
+        if (qt_cever >= 500)
+            winver = QSysInfo::WV_CE_5;
+        else if (qt_cever >= 400)
+            winver = QSysInfo::WV_CENET;
+        else
+            winver = QSysInfo::WV_CE;
+        break;
+#endif
+    default: // VER_PLATFORM_WIN32_NT
+        if (osver.dwMajorVersion < 5) {
+            winver = QSysInfo::WV_NT;
+        } else if (osver.dwMajorVersion == 6) {
+            winver = QSysInfo::WV_VISTA;
+        } else if (osver.dwMinorVersion == 0) {
+            winver = QSysInfo::WV_2000;
+        } else if (osver.dwMinorVersion == 1) {
+            winver = QSysInfo::WV_XP;
+        } else if (osver.dwMinorVersion == 2) {
+            winver = QSysInfo::WV_2003;
+        } else {
+            qWarning("Qt: Untested Windows version detected!");
+            winver = QSysInfo::WV_NT_based;
+        }
+    }
+
+#ifdef QT_DEBUG
+    {
+        QByteArray override = qgetenv("QT_WINVER_OVERRIDE");
+        if (override.isEmpty())
+            return winver;
+
+        if (override == "Me")
+            winver = QSysInfo::WV_Me;
+        if (override == "95")
+            winver = QSysInfo::WV_95;
+        else if (override == "98")
+            winver = QSysInfo::WV_98;
+        else if (override == "NT")
+            winver = QSysInfo::WV_NT;
+        else if (override == "2000")
+            winver = QSysInfo::WV_2000;
+        else if (override == "2003")
+            winver = QSysInfo::WV_2003;
+        else if (override == "XP")
+            winver = QSysInfo::WV_XP;
+        else if (override == "VISTA")
+            winver = QSysInfo::WV_VISTA;
+    }
+#endif
+
+    return winver;
+}
+
+const QSysInfo::WinVersion QSysInfo::WindowsVersion = QSysInfo::windowsVersion();
+
+#endif
+
+/*!
+    \macro void Q_ASSERT(bool test)
+    \relates <QtGlobal>
+
+    Prints a warning message containing the source code file name and
+    line number if \a test is false.
+
+    Q_ASSERT() is useful for testing pre- and post-conditions
+    during development. It does nothing if \c QT_NO_DEBUG was defined
+    during compilation.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 17
+
+    If \c b is zero, the Q_ASSERT statement will output the following
+    message using the qFatal() function:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 18
+
+    \sa Q_ASSERT_X(), qFatal(), {Debugging Techniques}
+*/
+
+/*!
+    \macro void Q_ASSERT_X(bool test, const char *where, const char *what)
+    \relates <QtGlobal>
+
+    Prints the message \a what together with the location \a where,
+    the source file name and line number if \a test is false.
+
+    Q_ASSERT_X is useful for testing pre- and post-conditions during
+    development. It does nothing if \c QT_NO_DEBUG was defined during
+    compilation.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 19
+
+    If \c b is zero, the Q_ASSERT_X statement will output the following
+    message using the qFatal() function:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 20
+
+    \sa Q_ASSERT(), qFatal(), {Debugging Techniques}
+*/
+
+/*!
+    \macro void Q_CHECK_PTR(void *pointer)
+    \relates <QtGlobal>
+
+    If \a pointer is 0, prints a warning message containing the source
+    code's file name and line number, saying that the program ran out
+    of memory.
+
+    Q_CHECK_PTR does nothing if \c QT_NO_DEBUG was defined during
+    compilation.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 21
+
+    \sa qWarning(), {Debugging Techniques}
+*/
+
+/*!
+    \macro const char* Q_FUNC_INFO()
+    \relates <QtGlobal>
+
+    Expands to a string that describe the function the macro resides in. How this string looks
+    more specifically is compiler dependent. With GNU GCC it is typically the function signature,
+    while with other compilers it might be the line and column number.
+
+    Q_FUNC_INFO can be conveniently used with qDebug(). For example, this function:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 22
+
+    when instantiated with the integer type, will with the GCC compiler produce:
+
+    \tt{const TInputType& myMin(const TInputType&, const TInputType&) [with TInputType = int] was called with value1: 3 value2: 4}
+
+    If this macro is used outside a function, the behavior is undefined.
+ */
+
+/*
+  The Q_CHECK_PTR macro calls this function if an allocation check
+  fails.
+*/
+void qt_check_pointer(const char *n, int l)
+{
+    qWarning("In file %s, line %d: Out of memory", n, l);
+}
+
+/*
+  The Q_ASSERT macro calls this function when the test fails.
+*/
+void qt_assert(const char *assertion, const char *file, int line)
+{
+    qFatal("ASSERT: \"%s\" in file %s, line %d", assertion, file, line);
+}
+
+/*
+  The Q_ASSERT_X macro calls this function when the test fails.
+*/
+void qt_assert_x(const char *where, const char *what, const char *file, int line)
+{
+    qFatal("ASSERT failure in %s: \"%s\", file %s, line %d", where, what, file, line);
+}
+
+
+/*
+    Dijkstra's bisection algorithm to find the square root of an integer.
+    Deliberately not exported as part of the Qt API, but used in both
+    qsimplerichtext.cpp and qgfxraster_qws.cpp
+*/
+Q_CORE_EXPORT unsigned int qt_int_sqrt(unsigned int n)
+{
+    // n must be in the range 0...UINT_MAX/2-1
+    if (n >= (UINT_MAX>>2)) {
+        unsigned int r = 2 * qt_int_sqrt(n / 4);
+        unsigned int r2 = r + 1;
+        return (n >= r2 * r2) ? r2 : r;
+    }
+    uint h, p= 0, q= 1, r= n;
+    while (q <= n)
+        q <<= 2;
+    while (q != 1) {
+        q >>= 2;
+        h= p + q;
+        p >>= 1;
+        if (r >= h) {
+            p += q;
+            r -= h;
+        }
+    }
+    return p;
+}
+
+#if defined(qMemCopy)
+#  undef qMemCopy
+#endif
+#if defined(qMemSet)
+#  undef qMemSet
+#endif
+
+void *qMemCopy(void *dest, const void *src, size_t n) { return memcpy(dest, src, n); }
+void *qMemSet(void *dest, int c, size_t n) { return memset(dest, c, n); }
+
+static QtMsgHandler handler = 0;                // pointer to debug handler
+
+#ifdef Q_CC_MWERKS
+extern bool qt_is_gui_used;
+static void mac_default_handler(const char *msg)
+{
+    if (qt_is_gui_used) {
+        Str255 pmsg;
+        qt_mac_to_pascal_string(msg, pmsg);
+        DebugStr(pmsg);
+    } else {
+        fprintf(stderr, msg);
+    }
+}
+#endif // Q_CC_MWERKS
+
+
+
+QString qt_error_string(int errorCode)
+{
+    const char *s = 0;
+    QString ret;
+    if (errorCode == -1) {
+#if defined(Q_OS_WIN)
+        errorCode = GetLastError();
+#else
+        errorCode = errno;
+#endif
+    }
+    switch (errorCode) {
+    case 0:
+        break;
+    case EACCES:
+        s = QT_TRANSLATE_NOOP("QIODevice", "Permission denied");
+        break;
+    case EMFILE:
+        s = QT_TRANSLATE_NOOP("QIODevice", "Too many open files");
+        break;
+    case ENOENT:
+        s = QT_TRANSLATE_NOOP("QIODevice", "No such file or directory");
+        break;
+    case ENOSPC:
+        s = QT_TRANSLATE_NOOP("QIODevice", "No space left on device");
+        break;
+    default: {
+#ifdef Q_OS_WIN
+        QT_WA({
+            unsigned short *string = 0;
+            FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
+                          NULL,
+                          errorCode,
+                          MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+                          (LPTSTR)&string,
+                          0,
+                          NULL);
+            ret = QString::fromUtf16(string);
+            LocalFree((HLOCAL)string);
+        }, {
+            char *string = 0;
+            FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
+                           NULL,
+                           errorCode,
+                           MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+                           (LPSTR)&string,
+                           0,
+                           NULL);
+            ret = QString::fromLocal8Bit(string);
+            LocalFree((HLOCAL)string);
+        });
+
+        if (ret.isEmpty() && errorCode == ERROR_MOD_NOT_FOUND)
+            ret = QString::fromLatin1("The specified module could not be found.");
+
+#elif !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && _POSIX_VERSION >= 200112L && !defined(Q_OS_INTEGRITY)
+
+        QByteArray buf(1024, '\0');
+        strerror_r(errorCode, buf.data(), buf.size());
+        ret = QString::fromLocal8Bit(buf.constData());
+#else
+        ret = QString::fromLocal8Bit(strerror(errorCode));
+#endif
+    break; }
+    }
+    if (s)
+        // ######## this breaks moc build currently
+//         ret = QCoreApplication::translate("QIODevice", s);
+        ret = QString::fromLatin1(s);
+    return ret.trimmed();
+}
+
+
+/*!
+    \fn QtMsgHandler qInstallMsgHandler(QtMsgHandler handler)
+    \relates <QtGlobal>
+
+    Installs a Qt message \a handler which has been defined
+    previously. Returns a pointer to the previous message handler
+    (which may be 0).
+
+    The message handler is a function that prints out debug messages,
+    warnings, critical and fatal error messages. The Qt library (debug
+    version) contains hundreds of warning messages that are printed
+    when internal errors (usually invalid function arguments)
+    occur. If you implement your own message handler, you get total
+    control of these messages.
+
+    The default message handler prints the message to the standard
+    output under X11 or to the debugger under Windows. If it is a
+    fatal message, the application aborts immediately.
+
+    Only one message handler can be defined, since this is usually
+    done on an application-wide basis to control debug output.
+
+    To restore the message handler, call \c qInstallMsgHandler(0).
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 23
+
+    \sa qDebug(), qWarning(), qCritical(), qFatal(), QtMsgType,
+    {Debugging Techniques}
+*/
+#if defined(Q_OS_WIN) && defined(QT_BUILD_CORE_LIB)
+extern bool usingWinMain;
+extern Q_CORE_EXPORT void qWinMsgHandler(QtMsgType t, const char* str);
+#endif
+
+QtMsgHandler qInstallMsgHandler(QtMsgHandler h)
+{
+    QtMsgHandler old = handler;
+    handler = h;
+#if defined(Q_OS_WIN) && defined(QT_BUILD_CORE_LIB)
+    if (!handler && usingWinMain)
+        handler = qWinMsgHandler;
+#endif
+    return old;
+}
+
+/*!
+    \internal
+*/
+void qt_message_output(QtMsgType msgType, const char *buf)
+{
+    if (handler) {
+        (*handler)(msgType, buf);
+    } else {
+#if defined(Q_CC_MWERKS)
+        mac_default_handler(buf);
+#elif defined(Q_OS_WINCE)
+        QString fstr = QString::fromLatin1(buf);
+        fstr += QLatin1String("\n");
+        OutputDebugString(reinterpret_cast<const wchar_t *> (fstr.utf16()));
+#else
+        fprintf(stderr, "%s\n", buf);
+        fflush(stderr);
+#endif
+    }
+
+    if (msgType == QtFatalMsg
+        || (msgType == QtWarningMsg
+            && (!qgetenv("QT_FATAL_WARNINGS").isNull())) ) {
+
+#if defined(Q_CC_MSVC) && defined(QT_DEBUG) && defined(_DEBUG) && defined(_CRT_ERROR)
+        // get the current report mode
+        int reportMode = _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_WNDW);
+        _CrtSetReportMode(_CRT_ERROR, reportMode);
+#if !defined(Q_OS_WINCE)
+        int ret = _CrtDbgReport(_CRT_ERROR, __FILE__, __LINE__, QT_VERSION_STR, buf);
+#else
+        int ret = _CrtDbgReportW(_CRT_ERROR, _CRT_WIDE(__FILE__),
+            __LINE__, _CRT_WIDE(QT_VERSION_STR), reinterpret_cast<const wchar_t *> (QString::fromLatin1(buf).utf16()));
+#endif
+        if (ret == 0  && reportMode & _CRTDBG_MODE_WNDW)
+            return; // ignore
+        else if (ret == 1)
+            _CrtDbgBreak();
+#endif
+
+#if (defined(Q_OS_UNIX) || defined(Q_CC_MINGW))
+        abort(); // trap; generates core dump
+#else
+        exit(1); // goodbye cruel world
+#endif
+    }
+}
+
+#undef qDebug
+/*!
+    \relates <QtGlobal>
+
+    Calls the message handler with the debug message \a msg. If no
+    message handler has been installed, the message is printed to
+    stderr. Under Windows, the message is sent to the console, if it is a
+    console application; otherwise, it is sent to the debugger. This
+    function does nothing if \c QT_NO_DEBUG_OUTPUT was defined
+    during compilation.
+
+    If you pass the function a format string and a list of arguments,
+    it works in similar way to the C printf() function.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 24
+
+    If you include \c <QtDebug>, a more convenient syntax is also
+    available:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 25
+
+    This syntax automatically puts a single space between each item,
+    and outputs a newline at the end. It supports many C++ and Qt
+    types.
+
+    To supress the output at runtime, install your own message handler
+    with qInstallMsgHandler().
+
+    \sa qWarning(), qCritical(), qFatal(), qInstallMsgHandler(),
+        {Debugging Techniques}
+*/
+void qDebug(const char *msg, ...)
+{
+    QString buf;
+    va_list ap;
+    va_start(ap, msg);                        // use variable arg list
+    if (msg)
+        buf.vsprintf(msg, ap);
+    va_end(ap);
+
+    qt_message_output(QtDebugMsg, buf.toLocal8Bit().constData());
+}
+
+#undef qWarning
+/*!
+    \relates <QtGlobal>
+
+    Calls the message handler with the warning message \a msg. If no
+    message handler has been installed, the message is printed to
+    stderr. Under Windows, the message is sent to the debugger. This
+    function does nothing if \c QT_NO_WARNING_OUTPUT was defined
+    during compilation; it exits if the environment variable \c
+    QT_FATAL_WARNINGS is defined.
+
+    This function takes a format string and a list of arguments,
+    similar to the C printf() function.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 26
+
+    If you include <QtDebug>, a more convenient syntax is
+    also available:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 27
+
+    This syntax inserts a space between each item, and
+    appends a newline at the end.
+
+    To supress the output at runtime, install your own message handler
+    with qInstallMsgHandler().
+
+    \sa qDebug(), qCritical(), qFatal(), qInstallMsgHandler(),
+        {Debugging Techniques}
+*/
+void qWarning(const char *msg, ...)
+{
+    QString buf;
+    va_list ap;
+    va_start(ap, msg); // use variable arg list
+    if (msg)
+        buf.vsprintf(msg, ap);
+    va_end(ap);
+
+    qt_message_output(QtWarningMsg, buf.toLocal8Bit().constData());
+}
+
+/*!
+    \relates <QtGlobal>
+
+    Calls the message handler with the critical message \a msg. If no
+    message handler has been installed, the message is printed to
+    stderr. Under Windows, the message is sent to the debugger.
+
+    This function takes a format string and a list of arguments, similar
+    to the C printf() function.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 28
+
+    If you include <QtDebug>, a more convenient syntax is
+    also available:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 29
+
+    A space is inserted between the items, and a newline is
+    appended at the end.
+
+    To supress the output at runtime, install your own message handler
+    with qInstallMsgHandler().
+
+    \sa qDebug(), qWarning(), qFatal(), qInstallMsgHandler(),
+        {Debugging Techniques}
+*/
+void qCritical(const char *msg, ...)
+{
+    QString buf;
+    va_list ap;
+    va_start(ap, msg); // use variable arg list
+    if (msg)
+        buf.vsprintf(msg, ap);
+    va_end(ap);
+
+    qt_message_output(QtCriticalMsg, buf.toLocal8Bit().constData());
+}
+#ifdef QT3_SUPPORT
+void qSystemWarning(const char *msg, int code)
+   { qCritical("%s (%s)", msg, qt_error_string(code).toLocal8Bit().constData()); }
+#endif // QT3_SUPPORT
+
+void qErrnoWarning(const char *msg, ...)
+{
+    QString buf;
+    va_list ap;
+    va_start(ap, msg);
+    if (msg)
+        buf.vsprintf(msg, ap);
+    va_end(ap);
+
+    qCritical("%s (%s)", buf.toLocal8Bit().constData(), qt_error_string(-1).toLocal8Bit().constData());
+}
+
+void qErrnoWarning(int code, const char *msg, ...)
+{
+    QString buf;
+    va_list ap;
+    va_start(ap, msg);
+    if (msg)
+        buf.vsprintf(msg, ap);
+    va_end(ap);
+
+    qCritical("%s (%s)", buf.toLocal8Bit().constData(), qt_error_string(code).toLocal8Bit().constData());
+}
+
+/*!
+    \relates <QtGlobal>
+
+    Calls the message handler with the fatal message \a msg. If no
+    message handler has been installed, the message is printed to
+    stderr. Under Windows, the message is sent to the debugger.
+
+    If you are using the \bold{default message handler} this function will
+    abort on Unix systems to create a core dump. On Windows, for debug builds,
+    this function will report a _CRT_ERROR enabling you to connect a debugger
+    to the application.
+
+    This function takes a format string and a list of arguments,
+    similar to the C printf() function.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 30
+
+    To supress the output at runtime, install your own message handler
+    with qInstallMsgHandler().
+
+    \sa qDebug(), qCritical(), qWarning(), qInstallMsgHandler(),
+        {Debugging Techniques}
+*/
+void qFatal(const char *msg, ...)
+{
+    QString buf;
+    va_list ap;
+    va_start(ap, msg); // use variable arg list
+    if (msg)
+        buf.vsprintf(msg, ap);
+    va_end(ap);
+
+    qt_message_output(QtFatalMsg, buf.toLocal8Bit().constData());
+}
+
+// getenv is declared as deprecated in VS2005. This function
+// makes use of the new secure getenv function.
+QByteArray qgetenv(const char *varName)
+{
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+    size_t requiredSize = 0;
+    QByteArray buffer;
+    getenv_s(&requiredSize, 0, 0, varName);
+    if (requiredSize == 0)
+        return buffer;
+    buffer.resize(int(requiredSize));
+    getenv_s(&requiredSize, buffer.data(), requiredSize, varName);
+    // requiredSize includes the terminating null, which we don't want.
+    Q_ASSERT(buffer.endsWith('\0'));
+    buffer.chop(1);
+    return buffer;
+#else
+    return QByteArray(::getenv(varName));
+#endif
+}
+
+bool qputenv(const char *varName, const QByteArray& value)
+{
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+    return _putenv_s(varName, value.constData()) == 0;
+#else
+    QByteArray buffer(varName);
+    buffer += "=";
+    buffer += value;
+    return putenv(qstrdup(buffer.constData())) == 0;
+#endif
+}
+
+#if defined(Q_OS_UNIX) && !defined(QT_NO_THREAD)
+
+#  if defined(Q_OS_INTEGRITY) && defined(__GHS_VERSION_NUMBER) && (__GHS_VERSION_NUMBER < 500)
+// older versions of INTEGRITY used a long instead of a uint for the seed.
+typedef long SeedStorageType;
+#  else
+typedef uint SeedStorageType;
+#  endif
+
+typedef QThreadStorage<SeedStorageType *> SeedStorage;
+Q_GLOBAL_STATIC(SeedStorage, randTLS)  // Thread Local Storage for seed value
+
+#endif
+
+/*!
+    \relates <QtGlobal>
+    \since 4.2
+
+    Thread-safe version of the standard C++ \c srand() function.
+
+    Sets the argument \a seed to be used to generate a new random number sequence of
+    pseudo random integers to be returned by qrand().
+
+    If no seed value is provided, qrand() is automatically seeded with a value of 1.
+
+    The sequence of random numbers generated is deterministic per thread. For example,
+    if two threads call qsrand(1) and subsequently calls qrand(), the threads will get
+    the same random number sequence.
+
+    \sa qrand()
+*/
+void qsrand(uint seed)
+{
+#if defined(Q_OS_UNIX) && !defined(QT_NO_THREAD)
+    SeedStorageType *pseed = randTLS()->localData();
+    if (!pseed)
+        randTLS()->setLocalData(pseed = new SeedStorageType);
+    *pseed = seed;
+#else
+    // On Windows srand() and rand() already use Thread-Local-Storage
+    // to store the seed between calls
+    srand(seed);
+#endif
+}
+
+/*!
+    \relates <QtGlobal>
+    \since 4.2
+
+    Thread-safe version of the standard C++ \c rand() function.
+
+    Returns a value between 0 and \c RAND_MAX (defined in \c <cstdlib> and
+    \c <stdlib.h>), the next number in the current sequence of pseudo-random
+    integers.
+
+    Use \c qsrand() to initialize the pseudo-random number generator with
+    a seed value.
+
+    \sa qsrand()
+*/
+int qrand()
+{
+#if defined(Q_OS_UNIX) && !defined(QT_NO_THREAD)
+    SeedStorageType *pseed = randTLS()->localData();
+    if (!pseed) {
+        randTLS()->setLocalData(pseed = new SeedStorageType);
+        *pseed = 1;
+    }
+    return rand_r(pseed);
+#else
+    // On Windows srand() and rand() already use Thread-Local-Storage
+    // to store the seed between calls
+    return rand();
+#endif
+}
+
+/*!
+    \macro forever
+    \relates <QtGlobal>
+
+    This macro is provided for convenience for writing infinite
+    loops.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 31
+
+    It is equivalent to \c{for (;;)}.
+
+    If you're worried about namespace pollution, you can disable this
+    macro by adding the following line to your \c .pro file:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 32
+
+    \sa Q_FOREVER
+*/
+
+/*!
+    \macro Q_FOREVER
+    \relates <QtGlobal>
+
+    Same as \l{forever}.
+
+    This macro is available even when \c no_keywords is specified
+    using the \c .pro file's \c CONFIG variable.
+
+    \sa foreach()
+*/
+
+/*!
+    \macro foreach(variable, container)
+    \relates <QtGlobal>
+
+    This macro is used to implement Qt's \c foreach loop. The \a
+    variable parameter is a variable name or variable definition; the
+    \a container parameter is a Qt container whose value type
+    corresponds to the type of the variable. See \l{The foreach
+    Keyword} for details.
+
+    If you're worried about namespace pollution, you can disable this
+    macro by adding the following line to your \c .pro file:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 33
+
+    \sa Q_FOREACH()
+*/
+
+/*!
+    \macro Q_FOREACH(variable, container)
+    \relates <QtGlobal>
+
+    Same as foreach(\a variable, \a container).
+
+    This macro is available even when \c no_keywords is specified
+    using the \c .pro file's \c CONFIG variable.
+
+    \sa foreach()
+*/
+
+/*!
+    \macro QT_TR_NOOP(sourceText)
+    \relates <QtGlobal>
+
+    Marks the string literal \a sourceText for dynamic translation in
+    the current context (class), i.e the stored \a sourceText will not
+    be altered.
+
+    The macro expands to \a sourceText.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 34
+
+    The macro QT_TR_NOOP_UTF8() is identical except that it tells lupdate
+    that the source string is encoded in UTF-8. Corresponding variants
+    exist in the QT_TRANSLATE_NOOP() family of macros, too. Note that
+    using these macros is not required if \c CODECFORTR is already set to
+    UTF-8 in the qmake project file.
+
+    \sa QT_TRANSLATE_NOOP(), {Internationalization with Qt}
+*/
+
+/*!
+    \macro QT_TRANSLATE_NOOP(context, sourceText)
+    \relates <QtGlobal>
+
+    Marks the string literal \a sourceText for dynamic translation in
+    the given \a context, i.e the stored \a sourceText will not be
+    altered. The \a context is typically a class and also needs to
+    be specified as string literal.
+
+    The macro expands to \a sourceText.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 35
+
+    \sa QT_TR_NOOP(), QT_TRANSLATE_NOOP3(), {Internationalization with Qt}
+*/
+
+/*!
+    \macro QT_TRANSLATE_NOOP3(context, sourceText, comment)
+    \relates <QtGlobal>
+    \since 4.4
+
+    Marks the string literal \a sourceText for dynamic translation in the
+    given \a context and with \a comment, i.e the stored \a sourceText will
+    not be altered. The \a context is typically a class and also needs to
+    be specified as string literal. The string literal \a comment
+    will be available for translators using e.g. Qt Linguist.
+
+    The macro expands to anonymous struct of the two string
+    literals passed as \a sourceText and \a comment.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 36
+
+    \sa QT_TR_NOOP(), QT_TRANSLATE_NOOP(), {Internationalization with Qt}
+*/
+
+/*!
+    \macro QT_POINTER_SIZE
+    \relates <QtGlobal>
+
+    Expands to the size of a pointer in bytes (4 or 8). This is
+    equivalent to \c sizeof(void *) but can be used in a preprocessor
+    directive.
+*/
+
+/*!
+    \macro TRUE
+    \relates <QtGlobal>
+    \obsolete
+
+    Synonym for \c true.
+
+    \sa FALSE
+*/
+
+/*!
+    \macro FALSE
+    \relates <QtGlobal>
+    \obsolete
+
+    Synonym for \c false.
+
+    \sa TRUE
+*/
+
+/*!
+    \macro QABS(n)
+    \relates <QtGlobal>
+    \obsolete
+
+    Use qAbs(\a n) instead.
+
+    \sa QMIN(), QMAX()
+*/
+
+/*!
+    \macro QMIN(x, y)
+    \relates <QtGlobal>
+    \obsolete
+
+    Use qMin(\a x, \a y) instead.
+
+    \sa QMAX(), QABS()
+*/
+
+/*!
+    \macro QMAX(x, y)
+    \relates <QtGlobal>
+    \obsolete
+
+    Use qMax(\a x, \a y) instead.
+
+    \sa QMIN(), QABS()
+*/
+
+/*!
+    \macro const char *qPrintable(const QString &str)
+    \relates <QtGlobal>
+
+    Returns \a str as a \c{const char *}. This is equivalent to
+    \a{str}.toLocal8Bit().constData().
+
+    The char pointer will be invalid after the statement in which
+    qPrintable() is used. This is because the array returned by
+    toLocal8Bit() will fall out of scope.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 37
+
+
+    \sa qDebug(), qWarning(), qCritical(), qFatal()
+*/
+
+/*!
+    \macro Q_DECLARE_TYPEINFO(Type, Flags)
+    \relates <QtGlobal>
+
+    You can use this macro to specify information about a custom type
+    \a Type. With accurate type information, Qt's \l{generic
+    containers} can choose appropriate storage methods and algorithms.
+
+    \a Flags can be one of the following:
+
+    \list
+    \o \c Q_PRIMITIVE_TYPE specifies that \a Type is a POD (plain old
+       data) type with no constructor or destructor.
+    \o \c Q_MOVABLE_TYPE specifies that \a Type has a constructor
+       and/or a destructor but can be moved in memory using \c
+       memcpy().
+    \o \c Q_COMPLEX_TYPE (the default) specifies that \a Type has
+       constructors and/or a destructor and that it may not be moved
+       in memory.
+    \endlist
+
+    Example of a "primitive" type:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 38
+
+    Example of a movable type:
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 39
+*/
+
+/*!
+    \macro Q_UNUSED(name)
+    \relates <QtGlobal>
+
+    Indicates to the compiler that the parameter with the specified
+    \a name is not used in the body of a function. This can be used to
+    suppress compiler warnings while allowing functions to be defined
+    with meaningful parameter names in their signatures.
+*/
+
+#if defined(QT3_SUPPORT) && !defined(QT_NO_SETTINGS)
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <qlibraryinfo.h>
+QT_END_INCLUDE_NAMESPACE
+
+static const char *qInstallLocation(QLibraryInfo::LibraryLocation loc)
+{
+    static QByteArray ret;
+    ret = QLibraryInfo::location(loc).toLatin1();
+    return ret.constData();
+}
+const char *qInstallPath()
+{
+    return qInstallLocation(QLibraryInfo::PrefixPath);
+}
+const char *qInstallPathDocs()
+{
+    return qInstallLocation(QLibraryInfo::DocumentationPath);
+}
+const char *qInstallPathHeaders()
+{
+    return qInstallLocation(QLibraryInfo::HeadersPath);
+}
+const char *qInstallPathLibs()
+{
+    return qInstallLocation(QLibraryInfo::LibrariesPath);
+}
+const char *qInstallPathBins()
+{
+    return qInstallLocation(QLibraryInfo::BinariesPath);
+}
+const char *qInstallPathPlugins()
+{
+    return qInstallLocation(QLibraryInfo::PluginsPath);
+}
+const char *qInstallPathData()
+{
+    return qInstallLocation(QLibraryInfo::DataPath);
+}
+const char *qInstallPathTranslations()
+{
+    return qInstallLocation(QLibraryInfo::TranslationsPath);
+}
+const char *qInstallPathSysconf()
+{
+    return qInstallLocation(QLibraryInfo::SettingsPath);
+}
+#endif
+
+struct QInternal_CallBackTable {
+    QVector<QList<qInternalCallback> > callbacks;
+};
+
+Q_GLOBAL_STATIC(QInternal_CallBackTable, global_callback_table)
+
+bool QInternal::registerCallback(Callback cb, qInternalCallback callback)
+{
+    if (cb >= 0 && cb < QInternal::LastCallback) {
+        QInternal_CallBackTable *cbt = global_callback_table();
+        cbt->callbacks.resize(cb + 1);
+        cbt->callbacks[cb].append(callback);
+        return true;
+    }
+    return false;
+}
+
+bool QInternal::unregisterCallback(Callback cb, qInternalCallback callback)
+{
+    if (cb >= 0 && cb < QInternal::LastCallback) {
+        QInternal_CallBackTable *cbt = global_callback_table();
+        return (bool) cbt->callbacks[cb].removeAll(callback);
+    }
+    return false;
+}
+
+bool QInternal::activateCallbacks(Callback cb, void **parameters)
+{
+    Q_ASSERT_X(cb >= 0, "QInternal::activateCallback()", "Callback id must be a valid id");
+
+    QInternal_CallBackTable *cbt = global_callback_table();
+    if (cbt && cb < cbt->callbacks.size()) {
+        QList<qInternalCallback> callbacks = cbt->callbacks[cb];
+        bool ret = false;
+        for (int i=0; i<callbacks.size(); ++i)
+            ret |= (callbacks.at(i))(parameters);
+        return ret;
+    }
+    return false;
+}
+
+extern void qt_set_current_thread_to_main_thread();
+
+bool QInternal::callFunction(InternalFunction func, void **args)
+{
+    Q_ASSERT_X(func >= 0,
+               "QInternal::callFunction()", "Callback id must be a valid id");
+#ifndef QT_NO_QOBJECT
+    switch (func) {
+#ifndef QT_NO_THREAD
+    case QInternal::CreateThreadForAdoption:
+        *args = QAdoptedThread::createThreadForAdoption();
+        return true;
+#endif
+    case QInternal::RefAdoptedThread:
+        QThreadData::get2((QThread *) *args)->ref();
+        return true;
+    case QInternal::DerefAdoptedThread:
+        QThreadData::get2((QThread *) *args)->deref();
+        return true;
+    case QInternal::SetCurrentThreadToMainThread:
+        qt_set_current_thread_to_main_thread();
+        return true;
+    case QInternal::SetQObjectSender: {
+        QObject *receiver = (QObject *) args[0];
+        QObjectPrivate::Sender *sender = new QObjectPrivate::Sender;
+        sender->sender = (QObject *) args[1];
+        sender->signal = *(int *) args[2];
+        sender->ref = 1;
+
+        // Store the old sender as "return value"
+        args[3] = QObjectPrivate::setCurrentSender(receiver, sender);
+        args[4] = sender;
+        return true;
+    }
+    case QInternal::GetQObjectSender: {
+        QObject *receiver = (QObject *) args[0];
+        QObjectPrivate *d = QObjectPrivate::get(receiver);
+        args[1] = d->currentSender ? d->currentSender->sender : 0;
+        return true;
+    }
+    case QInternal::ResetQObjectSender: {
+        QObject *receiver = (QObject *) args[0];
+        QObjectPrivate::Sender *oldSender = (QObjectPrivate::Sender *) args[1];
+        QObjectPrivate::Sender *sender = (QObjectPrivate::Sender *) args[2];
+        QObjectPrivate::resetCurrentSender(receiver, sender, oldSender);
+        delete sender;
+        return true;
+    }
+
+    default:
+        break;
+    }
+#else
+    Q_UNUSED(args);
+    Q_UNUSED(func);
+#endif
+
+    return false;
+}
+
+/*!
+    \macro Q_BYTE_ORDER
+    \relates <QtGlobal>
+
+    This macro can be used to determine the byte order your system
+    uses for storing data in memory. i.e., whether your system is
+    little-endian or big-endian. It is set by Qt to one of the macros
+    Q_LITTLE_ENDIAN or Q_BIG_ENDIAN. You normally won't need to worry
+    about endian-ness, but you might, for example if you need to know
+    which byte of an integer or UTF-16 character is stored in the
+    lowest address. Endian-ness is important in networking, where
+    computers with different values for Q_BYTE_ORDER must pass data
+    back and forth.
+
+    Use this macro as in the following examples.
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 40
+
+    \sa Q_BIG_ENDIAN, Q_LITTLE_ENDIAN
+*/
+
+/*!
+    \macro Q_LITTLE_ENDIAN
+    \relates <QtGlobal>
+
+    This macro represents a value you can compare to the macro
+    Q_BYTE_ORDER to determine the endian-ness of your system.  In a
+    little-endian system, the least significant byte is stored at the
+    lowest address. The other bytes follow in increasing order of
+    significance.
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 41
+
+    \sa Q_BYTE_ORDER, Q_BIG_ENDIAN
+*/
+
+/*!
+    \macro Q_BIG_ENDIAN
+    \relates <QtGlobal>
+
+    This macro represents a value you can compare to the macro
+    Q_BYTE_ORDER to determine the endian-ness of your system.  In a
+    big-endian system, the most significant byte is stored at the
+    lowest address. The other bytes follow in decreasing order of
+    significance.
+
+    \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 42
+
+    \sa Q_BYTE_ORDER, Q_LITTLE_ENDIAN
+*/
+
+/*!
+    \macro Q_GLOBAL_STATIC(type, name)
+    \internal
+
+    Declares a global static variable with the given \a type and \a name.
+
+    Use this macro to instantiate an object in a thread-safe way, creating
+    a global pointer that can be used to refer to it.
+
+    \warning This macro is subject to a race condition that can cause the object
+    to be constructed twice. However, if this occurs, the second instance will
+    be immediately deleted.
+
+    See also
+    \l{http://www.aristeia.com/publications.html}{"C++ and the perils of Double-Checked Locking"}
+    by Scott Meyers and Andrei Alexandrescu.
+*/
+
+/*!
+    \macro Q_GLOBAL_STATIC_WITH_ARGS(type, name, arguments)
+    \internal
+
+    Declares a global static variable with the specified \a type and \a name.
+
+    Use this macro to instantiate an object using the \a arguments specified
+    in a thread-safe way, creating a global pointer that can be used to refer
+    to it.
+
+    \warning This macro is subject to a race condition that can cause the object
+    to be constructed twice. However, if this occurs, the second instance will
+    be immediately deleted.
+
+    See also
+    \l{http://www.aristeia.com/publications.html}{"C++ and the perils of Double-Checked Locking"}
+    by Scott Meyers and Andrei Alexandrescu.
+*/
+
+/*!
+    \macro QT_NAMESPACE
+    \internal
+
+    If this macro is defined to \c ns all Qt classes are put in a namespace
+    called \c ns. Also, moc will output code putting metaobjects etc.
+    into namespace \c ns.
+
+    \sa QT_BEGIN_NAMESPACE, QT_END_NAMESPACE,
+    QT_PREPEND_NAMESPACE, QT_USE_NAMESPACE,
+    QT_BEGIN_INCLUDE_NAMESPACE, QT_END_INCLUDE_NAMESPACE,
+    QT_BEGIN_MOC_NAMESPACE, QT_END_MOC_NAMESPACE,
+*/
+
+/*!
+    \macro QT_PREPEND_NAMESPACE(identifier)
+    \internal
+
+    This macro qualifies \a identifier with the full namespace.
+    It expands to \c{::QT_NAMESPACE::identifier} if \c QT_NAMESPACE is defined
+    and only \a identifier otherwise.
+
+    \sa QT_NAMESPACE
+*/
+
+/*!
+    \macro QT_USE_NAMESPACE
+    \internal
+
+    This macro expands to using QT_NAMESPACE if QT_NAMESPACE is defined
+    and nothing otherwise.
+
+    \sa QT_NAMESPACE
+*/
+
+/*!
+    \macro QT_BEGIN_NAMESPACE
+    \internal
+
+    This macro expands to
+
+    \snippet snippets/code/src_corelib_global_qglobal.cpp begin namespace macro
+
+    if \c QT_NAMESPACE is defined and nothing otherwise. If should always
+    appear in the file-level scope and be followed by \c QT_END_NAMESPACE
+    at the same logical level with respect to preprocessor conditionals
+    in the same file.
+
+    As a rule of thumb, \c QT_BEGIN_NAMESPACE should appear in all Qt header
+    and Qt source files after the last \c{#include} line and before the first
+    declaration. In Qt headers using \c QT_BEGIN_HEADER, \c QT_BEGIN_NAMESPACE
+    follows \c QT_BEGIN_HEADER immediately.
+
+    If that rule can't be followed because, e.g., \c{#include} lines and
+    declarations are wildly mixed, place \c QT_BEGIN_NAMESPACE before
+    the first declaration and wrap the \c{#include} lines in
+    \c QT_BEGIN_INCLUDE_NAMESPACE and \c QT_END_INCLUDE_NAMESPACE.
+
+    When using the \c QT_NAMESPACE feature in user code
+    (e.g., when building plugins statically linked to Qt) where
+    the user code is not intended to go into the \c QT_NAMESPACE
+    namespace, all forward declarations of Qt classes need to
+    be wrapped in \c QT_BEGIN_NAMESPACE and \c QT_END_NAMESPACE.
+    After that, a \c QT_USE_NAMESPACE should follow.
+    No further changes should be needed.
+
+    \sa QT_NAMESPACE
+*/
+
+/*!
+    \macro QT_END_NAMESPACE
+    \internal
+
+    This macro expands to
+
+    \snippet snippets/code/src_corelib_global_qglobal.cpp end namespace macro
+
+    if \c QT_NAMESPACE is defined and nothing otherwise. It is used to cancel
+    the effect of \c QT_BEGIN_NAMESPACE.
+
+    If a source file ends with a \c{#include} directive that includes a moc file,
+    \c QT_END_NAMESPACE should be placed before that \c{#include}.
+
+    \sa QT_NAMESPACE
+*/
+
+/*!
+    \macro QT_BEGIN_INCLUDE_NAMESPACE
+    \internal
+
+    This macro is equivalent to \c QT_END_NAMESPACE.
+    It only serves as syntactic sugar and is intended
+    to be used before #include lines within a
+    \c QT_BEGIN_NAMESPACE ... \c QT_END_NAMESPACE block.
+
+    \sa QT_NAMESPACE
+*/
+
+/*!
+    \macro QT_END_INCLUDE_NAMESPACE
+    \internal
+
+    This macro is equivalent to \c QT_BEGIN_NAMESPACE.
+    It only serves as syntactic sugar and is intended
+    to be used after #include lines within a
+    \c QT_BEGIN_NAMESPACE ... \c QT_END_NAMESPACE block.
+
+    \sa QT_NAMESPACE
+*/
+
+/*!
+    \macro QT_BEGIN_MOC_NAMESPACE
+    \internal
+
+    This macro is output by moc at the beginning of
+    moc files. It is equivalent to \c QT_USE_NAMESPACE.
+
+    \sa QT_NAMESPACE
+*/
+
+/*!
+    \macro QT_END_MOC_NAMESPACE
+    \internal
+
+    This macro is output by moc at the beginning of
+    moc files. It expands to nothing.
+
+    \sa QT_NAMESPACE
+*/
+
+/*!
+ \fn bool qFuzzyCompare(double p1, double p2)
+ \relates <QtGlobal>
+ \since 4.4
+ \threadsafe
+
+ Compares the floating point value \a p1 and \a p2 and
+ returns \c true if they are considered equal, otherwise \c false.
+
+ The two numbers are compared in a relative way, where the
+ exactness is stronger the smaller the numbers are.
+ */
+
+/*!
+ \fn bool qFuzzyCompare(float p1, float p2)
+ \relates <QtGlobal>
+ \since 4.4
+ \threadsafe
+
+ Compares the floating point value \a p1 and \a p2 and
+ returns \c true if they are considered equal, otherwise \c false.
+
+ The two numbers are compared in a relative way, where the
+ exactness is stronger the smaller the numbers are.
+ */
+
+/*!
+    \macro QT_REQUIRE_VERSION(int argc, char **argv, const char *version)
+    \relates <QtGlobal>
+
+    This macro can be used to ensure that the application is run
+    against a recent enough version of Qt. This is especially useful
+    if your application depends on a specific bug fix introduced in a
+    bug-fix release (e.g., 4.0.2).
+
+    The \a argc and \a argv parameters are the \c main() function's
+    \c argc and \c argv parameters. The \a version parameter is a
+    string literal that specifies which version of Qt the application
+    requires (e.g., "4.0.2").
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_gui_dialogs_qmessagebox.cpp 4
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
new file mode 100644
index 0000000000..9522e39907
--- /dev/null
+++ b/src/corelib/global/qglobal.h
@@ -0,0 +1,2371 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGLOBAL_H
+#define QGLOBAL_H
+
+#include <stddef.h>
+
+#define QT_VERSION_STR   "4.6.0"
+/*
+   QT_VERSION is (major << 16) + (minor << 8) + patch.
+*/
+#define QT_VERSION 0x040600
+/*
+   can be used like #if (QT_VERSION >= QT_VERSION_CHECK(4, 4, 0))
+*/
+#define QT_VERSION_CHECK(major, minor, patch) ((major<<16)|(minor<<8)|(patch))
+
+#define QT_PACKAGEDATE_STR "YYYY-MM-DD"
+
+#define QT_PACKAGE_TAG ""
+
+#if !defined(QT_BUILD_MOC)
+#include <QtCore/qconfig.h>
+#endif
+
+#ifdef __cplusplus
+
+#ifndef QT_NAMESPACE /* user namespace */
+
+# define QT_PREPEND_NAMESPACE(name) ::name
+# define QT_USE_NAMESPACE
+# define QT_BEGIN_NAMESPACE
+# define QT_END_NAMESPACE
+# define QT_BEGIN_INCLUDE_NAMESPACE
+# define QT_END_INCLUDE_NAMESPACE
+# define QT_BEGIN_MOC_NAMESPACE
+# define QT_END_MOC_NAMESPACE
+# define QT_FORWARD_DECLARE_CLASS(name) class name;
+# define QT_FORWARD_DECLARE_STRUCT(name) struct name;
+# define QT_MANGLE_NAMESPACE(name) name
+
+#else /* user namespace */
+
+# define QT_PREPEND_NAMESPACE(name) ::QT_NAMESPACE::name
+# define QT_USE_NAMESPACE using namespace ::QT_NAMESPACE;
+# define QT_BEGIN_NAMESPACE namespace QT_NAMESPACE {
+# define QT_END_NAMESPACE }
+# define QT_BEGIN_INCLUDE_NAMESPACE }
+# define QT_END_INCLUDE_NAMESPACE namespace QT_NAMESPACE {
+# define QT_BEGIN_MOC_NAMESPACE QT_USE_NAMESPACE
+# define QT_END_MOC_NAMESPACE
+# define QT_FORWARD_DECLARE_CLASS(name) \
+    QT_BEGIN_NAMESPACE class name; QT_END_NAMESPACE \
+    using QT_PREPEND_NAMESPACE(name);
+
+# define QT_FORWARD_DECLARE_STRUCT(name) \
+    QT_BEGIN_NAMESPACE struct name; QT_END_NAMESPACE \
+    using QT_PREPEND_NAMESPACE(name);
+
+# define QT_MANGLE_NAMESPACE0(x) x
+# define QT_MANGLE_NAMESPACE1(a, b) a##_##b
+# define QT_MANGLE_NAMESPACE2(a, b) QT_MANGLE_NAMESPACE1(a,b)
+# define QT_MANGLE_NAMESPACE(name) QT_MANGLE_NAMESPACE2( \
+        QT_MANGLE_NAMESPACE0(name), QT_MANGLE_NAMESPACE0(QT_NAMESPACE))
+
+namespace QT_NAMESPACE {}
+
+# ifndef QT_BOOTSTRAPPED
+# ifndef QT_NO_USING_NAMESPACE
+   /*
+    This expands to a "using QT_NAMESPACE" also in _header files_.
+    It is the only way the feature can be used without too much
+    pain, but if people _really_ do not want it they can add
+    DEFINES += QT_NO_USING_NAMESPACE to theur .pro files.
+    */
+   QT_USE_NAMESPACE
+# endif
+# endif
+
+#endif /* user namespace */
+
+#else /* __cplusplus */
+
+# define QT_BEGIN_NAMESPACE
+# define QT_END_NAMESPACE
+# define QT_USE_NAMESPACE
+# define QT_BEGIN_INCLUDE_NAMESPACE
+# define QT_END_INCLUDE_NAMESPACE
+
+#endif /* __cplusplus */
+
+#if defined(Q_OS_MAC) && !defined(Q_CC_INTEL)
+#define QT_BEGIN_HEADER extern "C++" {
+#define QT_END_HEADER }
+#define QT_BEGIN_INCLUDE_HEADER }
+#define QT_END_INCLUDE_HEADER extern "C++" {
+#else
+#define QT_BEGIN_HEADER
+#define QT_END_HEADER
+#define QT_BEGIN_INCLUDE_HEADER
+#define QT_END_INCLUDE_HEADER extern "C++"
+#endif
+
+/*
+   The operating system, must be one of: (Q_OS_x)
+
+     DARWIN   - Darwin OS (synonym for Q_OS_MAC)
+     MSDOS    - MS-DOS and Windows
+     OS2      - OS/2
+     OS2EMX   - XFree86 on OS/2 (not PM)
+     WIN32    - Win32 (Windows 95/98/ME and Windows NT/2000/XP)
+     WINCE    - WinCE (Windows CE 5.0)
+     CYGWIN   - Cygwin
+     SOLARIS  - Sun Solaris
+     HPUX     - HP-UX
+     ULTRIX   - DEC Ultrix
+     LINUX    - Linux
+     FREEBSD  - FreeBSD
+     NETBSD   - NetBSD
+     OPENBSD  - OpenBSD
+     BSDI     - BSD/OS
+     IRIX     - SGI Irix
+     OSF      - HP Tru64 UNIX
+     SCO      - SCO OpenServer 5
+     UNIXWARE - UnixWare 7, Open UNIX 8
+     AIX      - AIX
+     HURD     - GNU Hurd
+     DGUX     - DG/UX
+     RELIANT  - Reliant UNIX
+     DYNIX    - DYNIX/ptx
+     QNX      - QNX
+     QNX6     - QNX RTP 6.1
+     LYNX     - LynxOS
+     BSD4     - Any BSD 4.4 system
+     UNIX     - Any UNIX BSD/SYSV system
+*/
+
+#if defined(__APPLE__) && (defined(__GNUC__) || defined(__xlC__) || defined(__xlc__))
+#  define Q_OS_DARWIN
+#  define Q_OS_BSD4
+#  ifdef __LP64__
+#    define Q_OS_DARWIN64
+#  else
+#    define Q_OS_DARWIN32
+#  endif
+#elif defined(__CYGWIN__)
+#  define Q_OS_CYGWIN
+#elif defined(MSDOS) || defined(_MSDOS)
+#  define Q_OS_MSDOS
+#elif defined(__OS2__)
+#  if defined(__EMX__)
+#    define Q_OS_OS2EMX
+#  else
+#    define Q_OS_OS2
+#  endif
+#elif !defined(SAG_COM) && (defined(WIN64) || defined(_WIN64) || defined(__WIN64__))
+#  define Q_OS_WIN32
+#  define Q_OS_WIN64
+#elif !defined(SAG_COM) && (defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__))
+#  if defined(WINCE) || defined(_WIN32_WCE)
+#    define Q_OS_WINCE
+#  else
+#    define Q_OS_WIN32
+#  endif
+#elif defined(__MWERKS__) && defined(__INTEL__)
+#  define Q_OS_WIN32
+#elif defined(__sun) || defined(sun)
+#  define Q_OS_SOLARIS
+#elif defined(hpux) || defined(__hpux)
+#  define Q_OS_HPUX
+#elif defined(__ultrix) || defined(ultrix)
+#  define Q_OS_ULTRIX
+#elif defined(sinix)
+#  define Q_OS_RELIANT
+#elif defined(__linux__) || defined(__linux)
+#  define Q_OS_LINUX
+#elif defined(__FreeBSD__) || defined(__DragonFly__)
+#  define Q_OS_FREEBSD
+#  define Q_OS_BSD4
+#elif defined(__NetBSD__)
+#  define Q_OS_NETBSD
+#  define Q_OS_BSD4
+#elif defined(__OpenBSD__)
+#  define Q_OS_OPENBSD
+#  define Q_OS_BSD4
+#elif defined(__bsdi__)
+#  define Q_OS_BSDI
+#  define Q_OS_BSD4
+#elif defined(__sgi)
+#  define Q_OS_IRIX
+#elif defined(__osf__)
+#  define Q_OS_OSF
+#elif defined(_AIX)
+#  define Q_OS_AIX
+#elif defined(__Lynx__)
+#  define Q_OS_LYNX
+#elif defined(__GNU__)
+#  define Q_OS_HURD
+#elif defined(__DGUX__)
+#  define Q_OS_DGUX
+#elif defined(__QNXNTO__)
+#  define Q_OS_QNX6
+#elif defined(__QNX__)
+#  define Q_OS_QNX
+#elif defined(_SEQUENT_)
+#  define Q_OS_DYNIX
+#elif defined(_SCO_DS) /* SCO OpenServer 5 + GCC */
+#  define Q_OS_SCO
+#elif defined(__USLC__) /* all SCO platforms + UDK or OUDK */
+#  define Q_OS_UNIXWARE
+#elif defined(__svr4__) && defined(i386) /* Open UNIX 8 + GCC */
+#  define Q_OS_UNIXWARE
+#elif defined(__INTEGRITY)
+#  define Q_OS_INTEGRITY
+#elif defined(__MAKEDEPEND__)
+#else
+#  error "Qt has not been ported to this OS - talk to qt-bugs@trolltech.com"
+#endif
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WIN64) || defined(Q_OS_WINCE)
+#  define Q_OS_WIN
+#endif
+
+#if defined(Q_OS_DARWIN)
+#  define Q_OS_MAC /* Q_OS_MAC is mostly for compatibility, but also more clear */
+#  define Q_OS_MACX /* Q_OS_MACX is only for compatibility.*/
+#  if defined(Q_OS_DARWIN64)
+#     define Q_OS_MAC64
+#  elif defined(Q_OS_DARWIN32)
+#     define Q_OS_MAC32
+#  endif
+#endif
+
+#ifdef AUTODETECT_COCOA
+#  ifdef Q_OS_MAC64
+#    define QT_MAC_USE_COCOA 1
+#    define QT_BUILD_KEY QT_BUILD_KEY_COCOA
+#  else
+#    define QT_BUILD_KEY QT_BUILD_KEY_CARBON
+#  endif
+#endif
+
+#if defined(Q_OS_MSDOS) || defined(Q_OS_OS2) || defined(Q_OS_WIN)
+#  undef Q_OS_UNIX
+#elif !defined(Q_OS_UNIX)
+#  define Q_OS_UNIX
+#endif
+
+#if defined(Q_OS_DARWIN) && !defined(QT_LARGEFILE_SUPPORT)
+#  define QT_LARGEFILE_SUPPORT 64
+#endif
+
+#ifdef Q_OS_DARWIN
+#  ifdef MAC_OS_X_VERSION_MIN_REQUIRED
+#    undef MAC_OS_X_VERSION_MIN_REQUIRED
+#  endif
+#  define MAC_OS_X_VERSION_MIN_REQUIRED MAC_OS_X_VERSION_10_3
+#  include <AvailabilityMacros.h>
+#  if !defined(MAC_OS_X_VERSION_10_3)
+#     define MAC_OS_X_VERSION_10_3 MAC_OS_X_VERSION_10_2 + 1
+#  endif
+#  if !defined(MAC_OS_X_VERSION_10_4)
+#       define MAC_OS_X_VERSION_10_4 MAC_OS_X_VERSION_10_3 + 1
+#  endif
+#  if !defined(MAC_OS_X_VERSION_10_5)
+#       define MAC_OS_X_VERSION_10_5 MAC_OS_X_VERSION_10_4 + 1
+#  endif
+#  if !defined(MAC_OS_X_VERSION_10_6)
+#       define MAC_OS_X_VERSION_10_6 MAC_OS_X_VERSION_10_5 + 1
+#  endif
+#  if (MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_6)
+#    warning "Support for this version of Mac OS X is still preliminary"
+#  endif
+#  if (MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_6)
+#    error "This version of Mac OS X is unsupported"
+#  endif
+#endif
+
+#ifdef QT_MAC_USE_COCOA
+#define QT_MAC_NO_QUICKDRAW 1
+#endif
+
+#ifdef __LSB_VERSION__
+#  if __LSB_VERSION__ < 40
+#    error "This version of the Linux Standard Base is unsupported"
+#  endif
+#ifndef QT_LINUXBASE
+#  define QT_LINUXBASE
+#endif
+#endif
+
+/*
+   The compiler, must be one of: (Q_CC_x)
+
+     SYM      - Digital Mars C/C++ (used to be Symantec C++)
+     MWERKS   - Metrowerks CodeWarrior
+     MSVC     - Microsoft Visual C/C++, Intel C++ for Windows
+     BOR      - Borland/Turbo C++
+     WAT      - Watcom C++
+     GNU      - GNU C++
+     COMEAU   - Comeau C++
+     EDG      - Edison Design Group C++
+     OC       - CenterLine C++
+     SUN      - Forte Developer, or Sun Studio C++
+     MIPS     - MIPSpro C++
+     DEC      - DEC C++
+     HPACC    - HP aC++
+     USLC     - SCO OUDK and UDK
+     CDS      - Reliant C++
+     KAI      - KAI C++
+     INTEL    - Intel C++ for Linux, Intel C++ for Windows
+     HIGHC    - MetaWare High C/C++
+     PGI      - Portland Group C++
+     GHS      - Green Hills Optimizing C++ Compilers
+     RVCT     - ARM Realview Compiler Suite
+
+
+   Should be sorted most to least authoritative.
+*/
+
+#if defined(__ghs)
+#  define Q_OUTOFLINE_TEMPLATE inline
+#endif
+
+/* Symantec C++ is now Digital Mars */
+#if defined(__DMC__) || defined(__SC__)
+#  define Q_CC_SYM
+/* "explicit" semantics implemented in 8.1e but keyword recognized since 7.5 */
+#  if defined(__SC__) && __SC__ < 0x750
+#    define Q_NO_EXPLICIT_KEYWORD
+#  endif
+#  define Q_NO_USING_KEYWORD
+
+#elif defined(__MWERKS__)
+#  define Q_CC_MWERKS
+/* "explicit" recognized since 4.0d1 */
+
+#elif defined(_MSC_VER)
+#  define Q_CC_MSVC
+/* proper support of bool for _MSC_VER >= 1100 */
+#  define Q_CANNOT_DELETE_CONSTANT
+#  define Q_OUTOFLINE_TEMPLATE inline
+#  define Q_NO_TEMPLATE_FRIENDS
+#  define QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+/* Visual C++.Net issues for _MSC_VER >= 1300 */
+#  if _MSC_VER >= 1300
+#    define Q_CC_MSVC_NET
+#    if _MSC_VER < 1310 || (defined(Q_OS_WIN64) && defined(_M_IA64))
+#      define Q_TYPENAME
+#    else
+#      undef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+#    endif
+#  else
+#    define Q_NO_USING_KEYWORD
+#    define QT_NO_MEMBER_TEMPLATES
+#  endif
+#  if _MSC_VER < 1310
+#     define QT_NO_QOBJECT_CHECK
+#     define Q_TYPENAME
+#     define QT_NO_TEMPLATE_TEMPLATE_PARAMETERS
+#  endif
+/* Intel C++ disguising as Visual C++: the `using' keyword avoids warnings */
+#  if defined(__INTEL_COMPILER)
+#    define Q_CC_INTEL
+#  endif
+/* x64 does not support mmx intrinsics on windows */
+#  if (defined(Q_OS_WIN64) && defined(_M_X64))
+#    undef QT_HAVE_SSE
+#    undef QT_HAVE_SSE2
+#    undef QT_HAVE_MMX
+#    undef QT_HAVE_3DNOW
+#  endif
+
+
+#elif defined(__BORLANDC__) || defined(__TURBOC__)
+#  define Q_CC_BOR
+#  define Q_INLINE_TEMPLATE
+#  if __BORLANDC__ < 0x502
+#    define Q_NO_BOOL_TYPE
+#    define Q_NO_EXPLICIT_KEYWORD
+#  endif
+#  define Q_NO_USING_KEYWORD
+
+#elif defined(__WATCOMC__)
+#  define Q_CC_WAT
+#  if defined(Q_OS_QNX4)
+/* compiler flags */
+#    define Q_TYPENAME
+#    define Q_NO_BOOL_TYPE
+#    define Q_CANNOT_DELETE_CONSTANT
+#    define mutable
+/* ??? */
+#    define Q_BROKEN_TEMPLATE_SPECIALIZATION
+/* no template classes in QVariant */
+#    define QT_NO_TEMPLATE_VARIANT
+/* Wcc does not fill in functions needed by valuelists, maps, and
+   valuestacks implicitly */
+#    define Q_FULL_TEMPLATE_INSTANTIATION
+/* can we just compare the structures? */
+#    define Q_FULL_TEMPLATE_INSTANTIATION_MEMCMP
+/* these are not useful to our customers */
+#    define QT_NO_QWS_MULTIPROCESS
+#    define QT_NO_QWS_CURSOR
+#  endif
+
+#elif defined(__CC_ARM)
+#  define Q_CC_RVCT
+
+#elif defined(__GNUC__)
+#  define Q_CC_GNU
+#  define Q_C_CALLBACKS
+#  if defined(__MINGW32__)
+#    define Q_CC_MINGW
+#  endif
+#  if defined(__INTEL_COMPILER)
+/* Intel C++ also masquerades as GCC 3.2.0 */
+#    define Q_CC_INTEL
+#    define Q_NO_TEMPLATE_FRIENDS
+#  endif
+#  ifdef __APPLE__
+#    define Q_NO_DEPRECATED_CONSTRUCTORS
+#  endif
+#  if __GNUC__ == 2 && __GNUC_MINOR__ <= 7
+#    define Q_FULL_TEMPLATE_INSTANTIATION
+#  endif
+/* GCC 2.95 knows "using" but does not support it correctly */
+#  if __GNUC__ == 2 && __GNUC_MINOR__ <= 95
+#    define Q_NO_USING_KEYWORD
+#    define QT_NO_STL_WCHAR
+#  endif
+/* GCC 3.1 and GCC 3.2 wrongly define _SB_CTYPE_MACROS on HP-UX */
+#  if defined(Q_OS_HPUX) && __GNUC__ == 3 && __GNUC_MINOR__ >= 1
+#    define Q_WRONG_SB_CTYPE_MACROS
+#  endif
+/* GCC <= 3.3 cannot handle template friends */
+#  if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+#    define Q_NO_TEMPLATE_FRIENDS
+#  endif
+/* Apple's GCC 3.1 chokes on our streaming qDebug() */
+#  if defined(Q_OS_DARWIN) && __GNUC__ == 3 && (__GNUC_MINOR__ >= 1 && __GNUC_MINOR__ < 3)
+#    define Q_BROKEN_DEBUG_STREAM
+#  endif
+#  if (defined(Q_CC_GNU) || defined(Q_CC_INTEL)) && !defined(QT_MOC_CPP)
+#    define Q_PACKED __attribute__ ((__packed__))
+#    define Q_NO_PACKED_REFERENCE
+#    ifndef __ARM_EABI__
+#      define QT_NO_ARM_EABI
+#    endif
+#  endif
+
+/* IBM compiler versions are a bit messy. There are actually two products:
+   the C product, and the C++ product. The C++ compiler is always packaged
+   with the latest version of the C compiler. Version numbers do not always
+   match. This little table (I'm not sure it's accurate) should be helpful:
+
+   C++ product                C product
+
+   C Set 3.1                  C Compiler 3.0
+   ...                        ...
+   C++ Compiler 3.6.6         C Compiler 4.3
+   ...                        ...
+   Visual Age C++ 4.0         ...
+   ...                        ...
+   Visual Age C++ 5.0         C Compiler 5.0
+   ...                        ...
+   Visual Age C++ 6.0         C Compiler 6.0
+
+   Now:
+   __xlC__    is the version of the C compiler in hexadecimal notation
+              is only an approximation of the C++ compiler version
+   __IBMCPP__ is the version of the C++ compiler in decimal notation
+              but it is not defined on older compilers like C Set 3.1 */
+#elif defined(__xlC__)
+#  define Q_CC_XLC
+#  define Q_FULL_TEMPLATE_INSTANTIATION
+#  if __xlC__ < 0x400
+#    define Q_NO_BOOL_TYPE
+#    define Q_NO_EXPLICIT_KEYWORD
+#    define Q_NO_USING_KEYWORD
+#    define Q_TYPENAME
+#    define Q_OUTOFLINE_TEMPLATE inline
+#    define Q_BROKEN_TEMPLATE_SPECIALIZATION
+#    define Q_CANNOT_DELETE_CONSTANT
+#  endif
+
+/* Older versions of DEC C++ do not define __EDG__ or __EDG - observed
+   on DEC C++ V5.5-004. New versions do define  __EDG__ - observed on
+   Compaq C++ V6.3-002.
+   This compiler is different enough from other EDG compilers to handle
+   it separately anyway. */
+#elif defined(__DECCXX) || defined(__DECC)
+#  define Q_CC_DEC
+/* Compaq C++ V6 compilers are EDG-based but I'm not sure about older
+   DEC C++ V5 compilers. */
+#  if defined(__EDG__)
+#    define Q_CC_EDG
+#  endif
+/* Compaq have disabled EDG's _BOOL macro and use _BOOL_EXISTS instead
+   - observed on Compaq C++ V6.3-002.
+   In any case versions prior to Compaq C++ V6.0-005 do not have bool. */
+#  if !defined(_BOOL_EXISTS)
+#    define Q_NO_BOOL_TYPE
+#  endif
+/* Spurious (?) error messages observed on Compaq C++ V6.5-014. */
+#  define Q_NO_USING_KEYWORD
+/* Apply to all versions prior to Compaq C++ V6.0-000 - observed on
+   DEC C++ V5.5-004. */
+#  if __DECCXX_VER < 60060000
+#    define Q_TYPENAME
+#    define Q_BROKEN_TEMPLATE_SPECIALIZATION
+#    define Q_CANNOT_DELETE_CONSTANT
+#  endif
+/* avoid undefined symbol problems with out-of-line template members */
+#  define Q_OUTOFLINE_TEMPLATE inline
+
+/* The Portland Group C++ compiler is based on EDG and does define __EDG__
+   but the C compiler does not */
+#elif defined(__PGI)
+#  define Q_CC_PGI
+#  if defined(__EDG__)
+#    define Q_CC_EDG
+#  endif
+
+/* Compilers with EDG front end are similar. To detect them we test:
+   __EDG documented by SGI, observed on MIPSpro 7.3.1.1 and KAI C++ 4.0b
+   __EDG__ documented in EDG online docs, observed on Compaq C++ V6.3-002
+   and PGI C++ 5.2-4 */
+#elif !defined(Q_OS_HPUX) && (defined(__EDG) || defined(__EDG__))
+#  define Q_CC_EDG
+/* From the EDG documentation (does not seem to apply to Compaq C++):
+   _BOOL
+        Defined in C++ mode when bool is a keyword. The name of this
+        predefined macro is specified by a configuration flag. _BOOL
+        is the default.
+   __BOOL_DEFINED
+        Defined in Microsoft C++ mode when bool is a keyword. */
+#  if !defined(_BOOL) && !defined(__BOOL_DEFINED)
+#    define Q_NO_BOOL_TYPE
+#  endif
+
+/* The Comeau compiler is based on EDG and does define __EDG__ */
+#  if defined(__COMO__)
+#    define Q_CC_COMEAU
+#    define Q_C_CALLBACKS
+
+/* The `using' keyword was introduced to avoid KAI C++ warnings
+   but it's now causing KAI C++ errors instead. The standard is
+   unclear about the use of this keyword, and in practice every
+   compiler is using its own set of rules. Forget it. */
+#  elif defined(__KCC)
+#    define Q_CC_KAI
+#    define Q_NO_USING_KEYWORD
+
+/* Using the `using' keyword avoids Intel C++ for Linux warnings */
+#  elif defined(__INTEL_COMPILER)
+#    define Q_CC_INTEL
+
+/* Uses CFront, make sure to read the manual how to tweak templates. */
+#  elif defined(__ghs)
+#    define Q_CC_GHS
+
+/* The UnixWare 7 UDK compiler is based on EDG and does define __EDG__ */
+#  elif defined(__USLC__) && defined(__SCO_VERSION__)
+#    define Q_CC_USLC
+/* The latest UDK 7.1.1b does not need this, but previous versions do */
+#    if !defined(__SCO_VERSION__) || (__SCO_VERSION__ < 302200010)
+#      define Q_OUTOFLINE_TEMPLATE inline
+#    endif
+#    define Q_NO_USING_KEYWORD /* ### check "using" status */
+
+/* Never tested! */
+#  elif defined(CENTERLINE_CLPP) || defined(OBJECTCENTER)
+#    define Q_CC_OC
+#    define Q_NO_USING_KEYWORD
+
+/* CDS++ defines __EDG__ although this is not documented in the Reliant
+   documentation. It also follows conventions like _BOOL and this documented */
+#  elif defined(sinix)
+#    define Q_CC_CDS
+#    define Q_NO_USING_KEYWORD
+
+/* The MIPSpro compiler defines __EDG */
+#  elif defined(__sgi)
+#    define Q_CC_MIPS
+#    define Q_NO_USING_KEYWORD /* ### check "using" status */
+#    define Q_NO_TEMPLATE_FRIENDS
+#    if defined(_COMPILER_VERSION) && (_COMPILER_VERSION >= 740)
+#      define Q_OUTOFLINE_TEMPLATE inline
+#      pragma set woff 3624,3625,3649 /* turn off some harmless warnings */
+#    endif
+#  endif
+
+/* Never tested! */
+#elif defined(__HIGHC__)
+#  define Q_CC_HIGHC
+
+#elif defined(__SUNPRO_CC) || defined(__SUNPRO_C)
+#  define Q_CC_SUN
+/* 5.0 compiler or better
+    'bool' is enabled by default but can be disabled using -features=nobool
+    in which case _BOOL is not defined
+        this is the default in 4.2 compatibility mode triggered by -compat=4 */
+#  if __SUNPRO_CC >= 0x500
+#    if __SUNPRO_CC < 0x570
+#      define QT_NO_TEMPLATE_TEMPLATE_PARAMETERS
+#    endif
+#    if !defined(_BOOL)
+#      define Q_NO_BOOL_TYPE
+#    endif
+#    if defined(__SUNPRO_CC_COMPAT) && (__SUNPRO_CC_COMPAT <= 4)
+#      define Q_NO_USING_KEYWORD
+#    endif
+#    define Q_C_CALLBACKS
+/* 4.2 compiler or older */
+#  else
+#    define Q_NO_BOOL_TYPE
+#    define Q_NO_EXPLICIT_KEYWORD
+#    define Q_NO_USING_KEYWORD
+#  endif
+
+/* CDS++ does not seem to define __EDG__ or __EDG according to Reliant
+   documentation but nevertheless uses EDG conventions like _BOOL */
+#elif defined(sinix)
+#  define Q_CC_EDG
+#  define Q_CC_CDS
+#  if !defined(_BOOL)
+#    define Q_NO_BOOL_TYPE
+#  endif
+#  define Q_BROKEN_TEMPLATE_SPECIALIZATION
+
+#elif defined(Q_OS_HPUX)
+/* __HP_aCC was not defined in first aCC releases */
+#  if defined(__HP_aCC) || __cplusplus >= 199707L
+#    define Q_NO_TEMPLATE_FRIENDS
+#    define Q_CC_HPACC
+#    ifdef QT_ARCH_PARISC
+#      define QT_NO_TEMPLATE_TEMPLATE_PARAMETERS
+#    endif
+#  else
+#    define Q_CC_HP
+#    define Q_NO_BOOL_TYPE
+#    define Q_FULL_TEMPLATE_INSTANTIATION
+#    define Q_BROKEN_TEMPLATE_SPECIALIZATION
+#    define Q_NO_EXPLICIT_KEYWORD
+#  endif
+#  define Q_NO_USING_KEYWORD /* ### check "using" status */
+
+#else
+#  error "Qt has not been tested with this compiler - talk to qt-bugs@trolltech.com"
+#endif
+
+#ifndef Q_PACKED
+#  define Q_PACKED
+#  undef Q_NO_PACKED_REFERENCE
+#endif
+
+#ifndef Q_CONSTRUCTOR_FUNCTION
+# define Q_CONSTRUCTOR_FUNCTION0(AFUNC) \
+   static const int AFUNC ## __init_variable__ = AFUNC();
+# define Q_CONSTRUCTOR_FUNCTION(AFUNC) Q_CONSTRUCTOR_FUNCTION0(AFUNC)
+#endif
+
+#ifndef Q_DESTRUCTOR_FUNCTION
+# define Q_DESTRUCTOR_FUNCTION0(AFUNC) \
+    class AFUNC ## __dest_class__ { \
+    public: \
+       inline AFUNC ## __dest_class__() { } \
+       inline ~ AFUNC ## __dest_class__() { AFUNC(); } \
+    } AFUNC ## __dest_instance__;
+# define Q_DESTRUCTOR_FUNCTION(AFUNC) Q_DESTRUCTOR_FUNCTION0(AFUNC)
+#endif
+
+#ifndef Q_REQUIRED_RESULT
+#  if defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
+#    define Q_REQUIRED_RESULT __attribute__ ((warn_unused_result))
+#  else
+#    define Q_REQUIRED_RESULT
+#  endif
+#endif
+
+#ifndef Q_COMPILER_MANGLES_RETURN_TYPE
+#  if defined(Q_CC_MSVC)
+#    define Q_COMPILER_MANGLES_RETURN_TYPE
+#  endif
+#endif
+
+/*
+   The window system, must be one of: (Q_WS_x)
+
+     MACX     - Mac OS X
+     MAC9     - Mac OS 9
+     QWS      - Qt for Embedded Linux
+     WIN32    - Windows
+     X11      - X Window System
+     PM       - unsupported
+     WIN16    - unsupported
+*/
+
+#if defined(Q_OS_MSDOS)
+#  define Q_WS_WIN16
+#  error "Qt requires Win32 and does not work with Windows 3.x"
+#elif defined(_WIN32_X11_)
+#  define Q_WS_X11
+#elif defined(Q_OS_WIN32)
+#  define Q_WS_WIN32
+#  if defined(Q_OS_WIN64)
+#    define Q_WS_WIN64
+#  endif
+#elif defined(Q_OS_WINCE)
+#  define Q_WS_WIN32
+#elif defined(Q_OS_OS2)
+#  define Q_WS_PM
+#  error "Qt does not work with OS/2 Presentation Manager or Workplace Shell"
+#elif defined(Q_OS_UNIX)
+#  if defined(Q_OS_MAC) && !defined(__USE_WS_X11__) && !defined(Q_WS_QWS)
+#    define Q_WS_MAC
+#    define Q_WS_MACX
+#    if defined(Q_OS_MAC64)
+#      define Q_WS_MAC64
+#    elif defined(Q_OS_MAC32)
+#      define Q_WS_MAC32
+#    endif
+#  elif !defined(Q_WS_QWS)
+#    define Q_WS_X11
+#  endif
+#endif
+
+#if defined(Q_WS_WIN16) || defined(Q_WS_WIN32)
+#  define Q_WS_WIN
+#endif
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+/*
+   Size-dependent types (architechture-dependent byte order)
+
+   Make sure to update QMetaType when changing these typedefs
+*/
+
+typedef signed char qint8;         /* 8 bit signed */
+typedef unsigned char quint8;      /* 8 bit unsigned */
+typedef short qint16;              /* 16 bit signed */
+typedef unsigned short quint16;    /* 16 bit unsigned */
+typedef int qint32;                /* 32 bit signed */
+typedef unsigned int quint32;      /* 32 bit unsigned */
+#if defined(Q_OS_WIN) && !defined(Q_CC_GNU)
+#  define Q_INT64_C(c) c ## i64    /* signed 64 bit constant */
+#  define Q_UINT64_C(c) c ## ui64   /* unsigned 64 bit constant */
+typedef __int64 qint64;            /* 64 bit signed */
+typedef unsigned __int64 quint64;  /* 64 bit unsigned */
+#else
+#  define Q_INT64_C(c) static_cast<long long>(c ## LL)     /* signed 64 bit constant */
+#  define Q_UINT64_C(c) static_cast<unsigned long long>(c ## ULL) /* unsigned 64 bit constant */
+typedef long long qint64;           /* 64 bit signed */
+typedef unsigned long long quint64; /* 64 bit unsigned */
+#endif
+
+typedef qint64 qlonglong;
+typedef quint64 qulonglong;
+
+#ifndef QT_POINTER_SIZE
+#  if defined(Q_OS_WIN64)
+#   define QT_POINTER_SIZE 8
+#  elif defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+#   define QT_POINTER_SIZE 4
+#  endif
+#endif
+
+#define Q_INIT_RESOURCE(name) \
+    do { extern int QT_MANGLE_NAMESPACE(qInitResources_ ## name) ();       \
+        QT_MANGLE_NAMESPACE(qInitResources_ ## name) (); } while (0)
+#define Q_CLEANUP_RESOURCE(name) \
+    do { extern int QT_MANGLE_NAMESPACE(qCleanupResources_ ## name) ();    \
+        QT_MANGLE_NAMESPACE(qCleanupResources_ ## name) (); } while (0)
+
+#if defined(__cplusplus)
+
+/*
+  quintptr and qptrdiff is guaranteed to be the same size as a pointer, i.e.
+
+      sizeof(void *) == sizeof(quintptr)
+      && sizeof(void *) == sizeof(qptrdiff)
+*/
+template <int> class QUintForSize    { private: typedef void    Type; };
+template <>    class QUintForSize<4> { public:  typedef quint32 Type; };
+template <>    class QUintForSize<8> { public:  typedef quint64 Type; };
+template <typename T> class QUintForType : public QUintForSize<sizeof(T)> { };
+typedef QUintForType<void *>::Type quintptr;
+
+template <int> class QIntForSize    { private: typedef void   Type; };
+template <>    class QIntForSize<4> { public:  typedef qint32 Type; };
+template <>    class QIntForSize<8> { public:  typedef qint64 Type; };
+template <typename T> class QIntForType : public QIntForSize<sizeof(T)> { };
+typedef QIntForType<void *>::Type qptrdiff;
+
+/*
+   Useful type definitions for Qt
+*/
+
+QT_BEGIN_INCLUDE_NAMESPACE
+typedef unsigned char uchar;
+typedef unsigned short ushort;
+typedef unsigned int uint;
+typedef unsigned long ulong;
+QT_END_INCLUDE_NAMESPACE
+
+#if defined(Q_NO_BOOL_TYPE)
+#error "Compiler doesn't support the bool type"
+#endif
+
+/*
+   Constant bool values
+*/
+
+#ifndef QT_LINUXBASE /* the LSB defines TRUE and FALSE for us */
+#  ifndef TRUE
+#   define TRUE true
+#   define FALSE false
+#  endif
+#endif
+
+/*
+   Proper for-scoping in VC++6 and MIPSpro CC
+*/
+#ifndef QT_NO_KEYWORDS
+#  if (defined(Q_CC_MSVC) && !defined(Q_CC_MSVC_NET) && !defined(Q_CC_INTEL)) || defined(Q_CC_MIPS) || (defined(Q_CC_HPACC) && defined(__ia64))
+#    define for if(0){}else for
+#  endif
+#endif
+
+/*
+   Workaround for static const members on MSVC++.
+*/
+
+#if defined(Q_CC_MSVC)
+#  define QT_STATIC_CONST static
+#  define QT_STATIC_CONST_IMPL
+#else
+#  define QT_STATIC_CONST static const
+#  define QT_STATIC_CONST_IMPL const
+#endif
+
+/*
+   Warnings and errors when using deprecated methods
+*/
+#if defined(Q_MOC_RUN)
+#  define Q_DECL_DEPRECATED Q_DECL_DEPRECATED
+#elif (defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && (__GNUC__ - 0 > 3 || (__GNUC__ - 0 == 3 && __GNUC_MINOR__ - 0 >= 2))) || defined(Q_CC_RVCT)
+#  define Q_DECL_DEPRECATED __attribute__ ((__deprecated__))
+#elif defined(Q_CC_MSVC) && (_MSC_VER >= 1300)
+#  define Q_DECL_DEPRECATED __declspec(deprecated)
+#  if defined (Q_CC_INTEL)
+#    define Q_DECL_VARIABLE_DEPRECATED
+#  else
+#  endif
+#else
+#  define Q_DECL_DEPRECATED
+#endif
+#ifndef Q_DECL_VARIABLE_DEPRECATED
+#  define Q_DECL_VARIABLE_DEPRECATED Q_DECL_DEPRECATED
+#endif
+#ifndef Q_DECL_CONSTRUCTOR_DEPRECATED
+#  if defined(Q_MOC_RUN)
+#    define Q_DECL_CONSTRUCTOR_DEPRECATED Q_DECL_CONSTRUCTOR_DEPRECATED
+#  elif defined(Q_NO_DEPRECATED_CONSTRUCTORS)
+#    define Q_DECL_CONSTRUCTOR_DEPRECATED
+#  else
+#    define Q_DECL_CONSTRUCTOR_DEPRECATED Q_DECL_DEPRECATED
+#  endif
+#endif
+
+#if defined(QT_NO_DEPRECATED)
+/* disable Qt3 support as well */
+#  undef QT3_SUPPORT_WARNINGS
+#  undef QT3_SUPPORT
+#  undef QT_DEPRECATED
+#  undef QT_DEPRECATED_VARIABLE
+#  undef QT_DEPRECATED_CONSTRUCTOR
+#elif defined(QT_DEPRECATED_WARNINGS)
+/* enable Qt3 support warnings as well */
+#  undef QT3_SUPPORT_WARNINGS
+#  define QT3_SUPPORT_WARNINGS
+#  undef QT_DEPRECATED
+#  define QT_DEPRECATED Q_DECL_DEPRECATED
+#  undef QT_DEPRECATED_VARIABLE
+#  define QT_DEPRECATED_VARIABLE Q_DECL_VARIABLE_DEPRECATED
+#  undef QT_DEPRECATED_CONSTRUCTOR
+#  define QT_DEPRECATED_CONSTRUCTOR explicit Q_DECL_CONSTRUCTOR_DEPRECATED
+#else
+#  undef QT_DEPRECATED
+#  define QT_DEPRECATED
+#  undef QT_DEPRECATED_VARIABLE
+#  define QT_DEPRECATED_VARIABLE
+#  undef QT_DEPRECATED_CONSTRUCTOR
+#  define QT_DEPRECATED_CONSTRUCTOR
+#endif
+
+#if defined(QT3_SUPPORT_WARNINGS)
+#  if !defined(QT_COMPAT_WARNINGS) /* also enable compat */
+#    define QT_COMPAT_WARNINGS
+#  endif
+#  undef QT3_SUPPORT
+#  define QT3_SUPPORT Q_DECL_DEPRECATED
+#  undef QT3_SUPPORT_VARIABLE
+#  define QT3_SUPPORT_VARIABLE Q_DECL_VARIABLE_DEPRECATED
+#  undef QT3_SUPPORT_CONSTRUCTOR
+#  define QT3_SUPPORT_CONSTRUCTOR explicit Q_DECL_CONSTRUCTOR_DEPRECATED
+#elif defined(QT3_SUPPORT) /* define back to nothing */
+#  if !defined(QT_COMPAT) /* also enable qt3 support */
+#    define QT_COMPAT
+#  endif
+#  undef QT3_SUPPORT
+#  define QT3_SUPPORT
+#  undef QT3_SUPPORT_VARIABLE
+#  define QT3_SUPPORT_VARIABLE
+#  undef QT3_SUPPORT_CONSTRUCTOR
+#  define QT3_SUPPORT_CONSTRUCTOR explicit
+#endif
+
+/* moc compats (signals/slots) */
+#ifndef QT_MOC_COMPAT
+#  if defined(QT3_SUPPORT)
+#    define QT_MOC_COMPAT QT3_SUPPORT
+#  else
+#    define QT_MOC_COMPAT
+#  endif
+#else
+#  undef QT_MOC_COMPAT
+#  define QT_MOC_COMPAT
+#endif
+
+#ifdef QT_ASCII_CAST_WARNINGS
+#  define QT_ASCII_CAST_WARN Q_DECL_DEPRECATED
+#  if defined(Q_CC_GNU) && __GNUC__ < 4
+     /* gcc < 4 doesn't like Q_DECL_DEPRECATED in front of constructors */
+#    define QT_ASCII_CAST_WARN_CONSTRUCTOR
+#  else
+#    define QT_ASCII_CAST_WARN_CONSTRUCTOR Q_DECL_CONSTRUCTOR_DEPRECATED
+#  endif
+#else
+#  define QT_ASCII_CAST_WARN
+#  define QT_ASCII_CAST_WARN_CONSTRUCTOR
+#endif
+
+#if defined(__i386__) || defined(_WIN32) || defined(_WIN32_WCE)
+#  if defined(Q_CC_GNU)
+#if !defined(Q_CC_INTEL) && ((100*(__GNUC__ - 0) + 10*(__GNUC_MINOR__ - 0) + __GNUC_PATCHLEVEL__) >= 332)
+#    define QT_FASTCALL __attribute__((regparm(3)))
+#else
+#    define QT_FASTCALL
+#endif
+#  elif defined(Q_CC_MSVC) && (_MSC_VER > 1300 || defined(Q_CC_INTEL))
+#    define QT_FASTCALL __fastcall
+#  else
+#     define QT_FASTCALL
+#  endif
+#else
+#  define QT_FASTCALL
+#endif
+
+typedef int QNoImplicitBoolCast;
+
+#if defined(QT_ARCH_ARM) || defined(QT_ARCH_ARMV6) || defined(QT_ARCH_AVR32) || (defined(QT_ARCH_MIPS) && (defined(Q_WS_QWS) || defined(Q_OS_WINCE))) || defined(QT_ARCH_SH) || defined(QT_ARCH_SH4A)
+#define QT_NO_FPU
+#endif
+
+#if defined(QT_COORD_TYPE)
+typedef QT_COORD_TYPE qreal;
+#elif defined(QT_NO_FPU) || defined(QT_ARCH_ARM) || defined(QT_ARCH_WINDOWSCE)
+typedef float qreal;
+#else
+typedef double qreal;
+#endif
+
+/*
+   Utility macros and inline functions
+*/
+
+template <typename T>
+inline T qAbs(const T &t) { return t >= 0 ? t : -t; }
+
+inline int qRound(qreal d)
+{ return d >= 0.0 ? int(d + 0.5) : int(d - int(d-1) + 0.5) + int(d-1); }
+
+inline qint64 qRound64(qreal d)
+{ return d >= 0.0 ? qint64(d + 0.5) : qint64(d - qint64(d-1) + 0.5) + qint64(d-1); }
+
+template <typename T>
+inline const T &qMin(const T &a, const T &b) { if (a < b) return a; return b; }
+template <typename T>
+inline const T &qMax(const T &a, const T &b) { if (a < b) return b; return a; }
+template <typename T>
+inline const T &qBound(const T &min, const T &val, const T &max)
+{ return qMax(min, qMin(max, val)); }
+
+#ifdef QT3_SUPPORT
+typedef qint8 Q_INT8;
+typedef quint8 Q_UINT8;
+typedef qint16 Q_INT16;
+typedef quint16 Q_UINT16;
+typedef qint32 Q_INT32;
+typedef quint32 Q_UINT32;
+typedef qint64 Q_INT64;
+typedef quint64 Q_UINT64;
+
+typedef qint64 Q_LLONG;
+typedef quint64 Q_ULLONG;
+#if defined(Q_OS_WIN64)
+typedef __int64 Q_LONG;             /* word up to 64 bit signed */
+typedef unsigned __int64 Q_ULONG;   /* word up to 64 bit unsigned */
+#else
+typedef long Q_LONG;                /* word up to 64 bit signed */
+typedef unsigned long Q_ULONG;      /* word up to 64 bit unsigned */
+#endif
+
+#  define QABS(a) qAbs(a)
+#  define QMAX(a, b) qMax((a), (b))
+#  define QMIN(a, b) qMin((a), (b))
+#endif
+
+/*
+   Data stream functions are provided by many classes (defined in qdatastream.h)
+*/
+
+class QDataStream;
+
+#ifndef QT_BUILD_KEY
+#define QT_BUILD_KEY "unspecified"
+#endif
+
+#if defined(Q_WS_MAC)
+#  ifndef QMAC_QMENUBAR_NO_EVENT
+#    define QMAC_QMENUBAR_NO_EVENT
+#  endif
+#endif
+
+#if !defined(Q_WS_QWS) && !defined(QT_NO_COP)
+#  define QT_NO_COP
+#endif
+
+# include <QtCore/qfeatures.h>
+
+#define QT_SUPPORTS(FEATURE) (!defined(QT_NO_##FEATURE))
+
+#ifndef Q_DECL_EXPORT
+#  ifdef Q_OS_WIN
+#    define Q_DECL_EXPORT __declspec(dllexport)
+#  elif defined(QT_VISIBILITY_AVAILABLE)
+#    define Q_DECL_EXPORT __attribute__((visibility("default")))
+#  endif
+#  ifndef Q_DECL_EXPORT
+#    define Q_DECL_EXPORT
+#  endif
+#endif
+#ifndef Q_DECL_IMPORT
+#  if defined(Q_OS_WIN)
+#    define Q_DECL_IMPORT __declspec(dllimport)
+#  else
+#    define Q_DECL_IMPORT
+#  endif
+#endif
+
+/*
+   Create Qt DLL if QT_DLL is defined (Windows only)
+*/
+
+#if defined(Q_OS_WIN)
+#  if defined(QT_NODLL)
+#    undef QT_MAKEDLL
+#    undef QT_DLL
+#  elif defined(QT_MAKEDLL)        /* create a Qt DLL library */
+#    if defined(QT_DLL)
+#      undef QT_DLL
+#    endif
+#    if defined(QT_BUILD_CORE_LIB)
+#      define Q_CORE_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_CORE_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_GUI_LIB)
+#      define Q_GUI_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_GUI_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_SQL_LIB)
+#      define Q_SQL_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_SQL_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_NETWORK_LIB)
+#      define Q_NETWORK_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_NETWORK_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_SVG_LIB)
+#      define Q_SVG_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_SVG_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_OPENGL_LIB)
+#      define Q_OPENGL_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_OPENGL_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_XML_LIB)
+#      define Q_XML_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_XML_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_XMLPATTERNS_LIB)
+#      define Q_XMLPATTERNS_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_XMLPATTERNS_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_SCRIPT_LIB)
+#      define Q_SCRIPT_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_SCRIPT_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_SCRIPTTOOLS_LIB)
+#      define Q_SCRIPTTOOLS_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_SCRIPTTOOLS_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_CANVAS_LIB)
+#      define Q_CANVAS_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_CANVAS_EXPORT Q_DECL_IMPORT
+#    endif
+#    if defined(QT_BUILD_COMPAT_LIB)
+#      define Q_COMPAT_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_COMPAT_EXPORT Q_DECL_IMPORT
+#    endif
+#    define Q_TEMPLATEDLL
+#  elif defined(QT_DLL) /* use a Qt DLL library */
+#    define Q_CORE_EXPORT Q_DECL_IMPORT
+#    define Q_GUI_EXPORT Q_DECL_IMPORT
+#    define Q_SQL_EXPORT Q_DECL_IMPORT
+#    define Q_NETWORK_EXPORT Q_DECL_IMPORT
+#    define Q_SVG_EXPORT Q_DECL_IMPORT
+#    define Q_CANVAS_EXPORT Q_DECL_IMPORT
+#    define Q_OPENGL_EXPORT Q_DECL_IMPORT
+#    define Q_XML_EXPORT Q_DECL_IMPORT
+#    define Q_XMLPATTERNS_EXPORT Q_DECL_IMPORT
+#    define Q_SCRIPT_EXPORT Q_DECL_IMPORT
+#    define Q_SCRIPTTOOLS_EXPORT Q_DECL_IMPORT
+#    define Q_COMPAT_EXPORT Q_DECL_IMPORT
+#    define Q_TEMPLATEDLL
+#  endif
+#  define Q_NO_DECLARED_NOT_DEFINED
+#else
+#  if defined(Q_OS_LINUX) && defined(Q_CC_BOR)
+#    define Q_TEMPLATEDLL
+#    define Q_NO_DECLARED_NOT_DEFINED
+#  endif
+#  undef QT_MAKEDLL /* ignore these for other platforms */
+#  undef QT_DLL
+#endif
+
+#if !defined(Q_CORE_EXPORT)
+#  if defined(QT_SHARED)
+#    define Q_CORE_EXPORT Q_DECL_EXPORT
+#    define Q_GUI_EXPORT Q_DECL_EXPORT
+#    define Q_SQL_EXPORT Q_DECL_EXPORT
+#    define Q_NETWORK_EXPORT Q_DECL_EXPORT
+#    define Q_SVG_EXPORT Q_DECL_EXPORT
+#    define Q_OPENGL_EXPORT Q_DECL_EXPORT
+#    define Q_XML_EXPORT Q_DECL_EXPORT
+#    define Q_XMLPATTERNS_EXPORT Q_DECL_EXPORT
+#    define Q_SCRIPT_EXPORT Q_DECL_EXPORT
+#    define Q_SCRIPTTOOLS_EXPORT Q_DECL_EXPORT
+#    define Q_COMPAT_EXPORT Q_DECL_EXPORT
+#  else
+#    define Q_CORE_EXPORT
+#    define Q_GUI_EXPORT
+#    define Q_SQL_EXPORT
+#    define Q_NETWORK_EXPORT
+#    define Q_SVG_EXPORT
+#    define Q_OPENGL_EXPORT
+#    define Q_XML_EXPORT
+#    define Q_XMLPATTERNS_EXPORT
+#    define Q_SCRIPT_EXPORT
+#    define Q_SCRIPTTOOLS_EXPORT
+#    define Q_COMPAT_EXPORT
+#  endif
+#endif
+
+// Functions marked as Q_GUI_EXPORT_INLINE were exported and inlined by mistake.
+// Compilers like MinGW complain that the import attribute is ignored.
+#if defined(Q_CC_MINGW)
+#    if defined(QT_BUILD_CORE_LIB)
+#      define Q_CORE_EXPORT_INLINE Q_CORE_EXPORT inline
+#    else
+#      define Q_CORE_EXPORT_INLINE inline
+#    endif
+#    if defined(QT_BUILD_GUI_LIB)
+#      define Q_GUI_EXPORT_INLINE Q_GUI_EXPORT inline
+#    else
+#      define Q_GUI_EXPORT_INLINE inline
+#    endif
+#else
+#    define Q_CORE_EXPORT_INLINE Q_CORE_EXPORT inline
+#    define Q_GUI_EXPORT_INLINE Q_GUI_EXPORT inline
+#endif
+
+/*
+   No, this is not an evil backdoor. QT_BUILD_INTERNAL just exports more symbols
+   for Trolltech's internal unit tests. If you want slower loading times and more
+   symbols that can vanish from version to version, feel free to define QT_BUILD_INTERNAL.
+*/
+#if defined(QT_BUILD_INTERNAL) && defined(Q_OS_WIN) && defined(QT_MAKEDLL)
+#    define Q_AUTOTEST_EXPORT Q_DECL_EXPORT
+#elif defined(QT_BUILD_INTERNAL) && defined(Q_OS_WIN) && defined(QT_DLL)
+#    define Q_AUTOTEST_EXPORT Q_DECL_IMPORT
+#elif defined(QT_BUILD_INTERNAL) && !defined(Q_OS_WIN) && defined(QT_SHARED)
+#    define Q_AUTOTEST_EXPORT Q_DECL_EXPORT
+#else
+#    define Q_AUTOTEST_EXPORT
+#endif
+
+/*
+   System information
+*/
+
+class QString;
+class Q_CORE_EXPORT QSysInfo {
+public:
+    enum Sizes {
+        WordSize = (sizeof(void *)<<3)
+    };
+
+#if defined(QT_BUILD_QMAKE)
+    enum Endian {
+        BigEndian,
+        LittleEndian
+    };
+    /* needed to bootstrap qmake */
+    static const int ByteOrder;
+#elif defined(Q_BYTE_ORDER)
+    enum Endian {
+        BigEndian,
+        LittleEndian
+
+#  ifdef qdoc
+        , ByteOrder = <platform-dependent>
+#  elif Q_BYTE_ORDER == Q_BIG_ENDIAN
+        , ByteOrder = BigEndian
+#  elif Q_BYTE_ORDER == Q_LITTLE_ENDIAN
+        , ByteOrder = LittleEndian
+#  else
+#    error "Undefined byte order"
+#  endif
+    };
+#else
+#  error "Qt not configured correctly, please run configure"
+#endif
+#if defined(Q_WS_WIN) || defined(Q_OS_CYGWIN)
+    enum WinVersion {
+        WV_32s      = 0x0001,
+        WV_95       = 0x0002,
+        WV_98       = 0x0003,
+        WV_Me       = 0x0004,
+        WV_DOS_based= 0x000f,
+
+        /* codenames */
+        WV_NT       = 0x0010,
+        WV_2000     = 0x0020,
+        WV_XP       = 0x0030,
+        WV_2003     = 0x0040,
+        WV_VISTA    = 0x0080,
+        WV_NT_based = 0x00f0,
+
+        /* version numbers */
+        WV_4_0      = WV_NT,
+        WV_5_0      = WV_2000,
+        WV_5_1      = WV_XP,
+        WV_5_2      = WV_2003,
+        WV_6_0      = WV_VISTA,
+
+        WV_CE       = 0x0100,
+        WV_CENET    = 0x0200,
+        WV_CE_5     = 0x0300,
+        WV_CE_6     = 0x0400,
+        WV_CE_based = 0x0f00
+    };
+    static const WinVersion WindowsVersion;
+    static WinVersion windowsVersion();
+
+#endif
+#ifdef Q_OS_MAC
+    enum MacVersion {
+        MV_Unknown = 0x0000,
+
+        /* version */
+        MV_9 = 0x0001,
+        MV_10_0 = 0x0002,
+        MV_10_1 = 0x0003,
+        MV_10_2 = 0x0004,
+        MV_10_3 = 0x0005,
+        MV_10_4 = 0x0006,
+        MV_10_5 = 0x0007,
+
+        /* codenames */
+        MV_CHEETAH = MV_10_0,
+        MV_PUMA = MV_10_1,
+        MV_JAGUAR = MV_10_2,
+        MV_PANTHER = MV_10_3,
+        MV_TIGER = MV_10_4,
+        MV_LEOPARD = MV_10_5
+    };
+    static const MacVersion MacintoshVersion;
+#endif
+};
+
+Q_CORE_EXPORT const char *qVersion();
+Q_CORE_EXPORT bool qSharedBuild();
+
+#if defined(Q_OS_MAC)
+inline int qMacVersion() { return QSysInfo::MacintoshVersion; }
+#endif
+
+#ifdef QT3_SUPPORT
+inline QT3_SUPPORT bool qSysInfo(int *wordSize, bool *bigEndian)
+{
+    *wordSize = QSysInfo::WordSize;
+    *bigEndian = (QSysInfo::ByteOrder == QSysInfo::BigEndian);
+    return true;
+}
+#endif
+
+#if defined(Q_WS_WIN) || defined(Q_OS_CYGWIN)
+#if defined(QT3_SUPPORT)
+inline QT3_SUPPORT bool qt_winUnicode() { return !(QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based); }
+inline QT3_SUPPORT int qWinVersion() { return QSysInfo::WindowsVersion; }
+#endif
+
+#ifdef Q_OS_WINCE
+#define QT_WA(uni, ansi) uni
+#define QT_WA_INLINE(uni, ansi) (uni)
+#elif defined(UNICODE)
+#define QT_WA(uni, ansi) if (!(QSysInfo::windowsVersion() & QSysInfo::WV_DOS_based)) { uni } else { ansi }
+
+#define QT_WA_INLINE(uni, ansi) (!(QSysInfo::windowsVersion() & QSysInfo::WV_DOS_based) ? uni : ansi)
+#else
+#define QT_WA(uni, ansi) ansi
+#define QT_WA_INLINE(uni, ansi) ansi
+#endif
+#endif /* Q_WS_WIN */
+
+#ifndef Q_OUTOFLINE_TEMPLATE
+#  define Q_OUTOFLINE_TEMPLATE
+#endif
+#ifndef Q_INLINE_TEMPLATE
+#  define Q_INLINE_TEMPLATE inline
+#endif
+
+#ifndef Q_TYPENAME
+#  define Q_TYPENAME typename
+#endif
+
+/*
+   Avoid "unused parameter" warnings
+*/
+
+#if defined(Q_CC_INTEL) && !defined(Q_OS_WIN)
+template <typename T>
+inline void qUnused(T &x) { (void)x; }
+#  define Q_UNUSED(x) qUnused(x);
+#else
+#  define Q_UNUSED(x) (void)x;
+#endif
+
+/*
+   Debugging and error handling
+*/
+
+#if !defined(QT_NO_DEBUG) && !defined(QT_DEBUG)
+#  define QT_DEBUG
+#endif
+
+#ifndef qPrintable
+#  define qPrintable(string) (string).toLocal8Bit().constData()
+#endif
+
+Q_CORE_EXPORT void qDebug(const char *, ...) /* print debug message */
+#if defined(Q_CC_GNU) && !defined(__INSURE__)
+    __attribute__ ((format (printf, 1, 2)))
+#endif
+;
+
+Q_CORE_EXPORT void qWarning(const char *, ...) /* print warning message */
+#if defined(Q_CC_GNU) && !defined(__INSURE__)
+    __attribute__ ((format (printf, 1, 2)))
+#endif
+;
+
+class QString;
+Q_CORE_EXPORT QString qt_error_string(int errorCode = -1);
+Q_CORE_EXPORT void qCritical(const char *, ...) /* print critical message */
+#if defined(Q_CC_GNU) && !defined(__INSURE__)
+    __attribute__ ((format (printf, 1, 2)))
+#endif
+;
+Q_CORE_EXPORT void qFatal(const char *, ...) /* print fatal message and exit */
+#if defined(Q_CC_GNU) && !defined(__INSURE__)
+    __attribute__ ((format (printf, 1, 2)))
+#endif
+;
+
+#ifdef QT3_SUPPORT
+Q_CORE_EXPORT QT3_SUPPORT void qSystemWarning(const char *msg, int code = -1);
+#endif /* QT3_SUPPORT */
+Q_CORE_EXPORT void qErrnoWarning(int code, const char *msg, ...);
+Q_CORE_EXPORT void qErrnoWarning(const char *msg, ...);
+
+#if (defined(QT_NO_DEBUG_OUTPUT) || defined(QT_NO_TEXTSTREAM)) && !defined(QT_NO_DEBUG_STREAM)
+#define QT_NO_DEBUG_STREAM
+#endif
+
+/*
+  Forward declarations only.
+
+  In order to use the qDebug() stream, you must #include<QDebug>
+*/
+class QDebug;
+class QNoDebug;
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT_INLINE QDebug qDebug();
+Q_CORE_EXPORT_INLINE QDebug qWarning();
+Q_CORE_EXPORT_INLINE QDebug qCritical();
+#else
+inline QNoDebug qDebug();
+#endif
+
+#define QT_NO_QDEBUG_MACRO if(1); else qDebug
+#ifdef QT_NO_DEBUG_OUTPUT
+#  define qDebug QT_NO_QDEBUG_MACRO
+#endif
+#define QT_NO_QWARNING_MACRO if(1); else qWarning
+#ifdef QT_NO_WARNING_OUTPUT
+#  define qWarning QT_NO_QWARNING_MACRO
+#endif
+
+
+inline void qt_noop() {}
+
+Q_CORE_EXPORT void qt_assert(const char *assertion, const char *file, int line);
+
+#if !defined(Q_ASSERT)
+#  ifndef QT_NO_DEBUG
+#    define Q_ASSERT(cond) ((!(cond)) ? qt_assert(#cond,__FILE__,__LINE__) : qt_noop())
+#  else
+#    define Q_ASSERT(cond) qt_noop()
+#  endif
+#endif
+
+#if defined(QT_NO_DEBUG) && !defined(QT_PAINT_DEBUG)
+#define QT_NO_PAINT_DEBUG
+#endif
+
+Q_CORE_EXPORT void qt_assert_x(const char *where, const char *what, const char *file, int line);
+
+#if !defined(Q_ASSERT_X)
+#  ifndef QT_NO_DEBUG
+#    define Q_ASSERT_X(cond, where, what) ((!(cond)) ? qt_assert_x(where, what,__FILE__,__LINE__) : qt_noop())
+#  else
+#    define Q_ASSERT_X(cond, where, what) qt_noop()
+#  endif
+#endif
+
+Q_CORE_EXPORT void qt_check_pointer(const char *, int);
+
+#ifndef QT_NO_DEBUG
+#  define Q_CHECK_PTR(p) do {if(!(p))qt_check_pointer(__FILE__,__LINE__);} while (0)
+#else
+#  define Q_CHECK_PTR(p)
+#endif
+
+#if (defined(Q_CC_GNU) && !defined(Q_OS_SOLARIS)) || defined(Q_CC_HPACC)
+#  define Q_FUNC_INFO __PRETTY_FUNCTION__
+#elif defined(_MSC_VER)
+    /* MSVC 2002 doesn't have __FUNCSIG__ nor can it handle QT_STRINGIFY. */
+#  if _MSC_VER <= 1300
+#      define Q_FUNC_INFO __FILE__ "(line number unavailable)"
+#  else
+#      define Q_FUNC_INFO __FUNCSIG__
+#  endif
+#else
+#   if defined(Q_OS_SOLARIS) || defined(Q_CC_XLC)
+#      define Q_FUNC_INFO __FILE__ "(line number unavailable)"
+#   else
+        /* These two macros makes it possible to turn the builtin line expander into a
+         * string literal. */
+#       define QT_STRINGIFY2(x) #x
+#       define QT_STRINGIFY(x) QT_STRINGIFY2(x)
+#       define Q_FUNC_INFO __FILE__ ":" QT_STRINGIFY(__LINE__)
+#   endif
+    /* The MIPSpro compiler postpones macro expansion, and therefore macros must be in scope
+     * when being used. */
+#   if !defined(Q_CC_MIPS)
+#       undef QT_STRINGIFY2
+#       undef QT_STRINGIFY
+#   endif
+#endif
+
+enum QtMsgType { QtDebugMsg, QtWarningMsg, QtCriticalMsg, QtFatalMsg, QtSystemMsg = QtCriticalMsg };
+
+Q_CORE_EXPORT void qt_message_output(QtMsgType, const char *buf);
+
+typedef void (*QtMsgHandler)(QtMsgType, const char *);
+Q_CORE_EXPORT QtMsgHandler qInstallMsgHandler(QtMsgHandler);
+
+#ifdef QT3_SUPPORT
+inline QT3_SUPPORT void qSuppressObsoleteWarnings(bool = true) {}
+inline QT3_SUPPORT void qObsolete(const char *, const char * = 0, const char * = 0) {}
+#endif
+
+#if defined(QT_NO_THREAD)
+
+template <typename T>
+class QGlobalStatic
+{
+public:
+    T *pointer;
+    inline QGlobalStatic(T *p) : pointer(p) { }
+    inline ~QGlobalStatic() { pointer = 0; }
+};
+
+#define Q_GLOBAL_STATIC(TYPE, NAME)                              \
+    static TYPE *NAME()                                          \
+    {                                                            \
+        static TYPE this_##NAME;                                 \
+        static QGlobalStatic<TYPE > global_##NAME(&this_##NAME); \
+        return global_##NAME.pointer;                            \
+    }
+
+#define Q_GLOBAL_STATIC_WITH_ARGS(TYPE, NAME, ARGS)              \
+    static TYPE *NAME()                                          \
+    {                                                            \
+        static TYPE this_##NAME ARGS;                            \
+        static QGlobalStatic<TYPE > global_##NAME(&this_##NAME); \
+        return global_##NAME.pointer;                            \
+    }
+
+#define Q_GLOBAL_STATIC_WITH_INITIALIZER(TYPE, NAME, INITIALIZER) \
+    static TYPE *NAME()                                           \
+    {                                                             \
+        static TYPE this_##NAME;                                  \
+        static QGlobalStatic<TYPE > global_##NAME(0);             \
+        if (!global_##NAME.pointer) {                             \
+            TYPE *x = global_##NAME.pointer = &this_##NAME;       \
+            INITIALIZER;                                          \
+        }                                                         \
+        return global_##NAME.pointer;                             \
+    }
+
+#else
+
+// forward declaration, since qatomic.h needs qglobal.h
+template <typename T> class QBasicAtomicPointer;
+
+// POD for Q_GLOBAL_STATIC
+template <typename T>
+class QGlobalStatic
+{
+public:
+    QBasicAtomicPointer<T> pointer;
+    bool destroyed;
+};
+
+// Created as a function-local static to delete a QGlobalStatic<T>
+template <typename T>
+class QGlobalStaticDeleter
+{
+public:
+    QGlobalStatic<T> &globalStatic;
+    QGlobalStaticDeleter(QGlobalStatic<T> &_globalStatic)
+        : globalStatic(_globalStatic)
+    { }
+
+    inline ~QGlobalStaticDeleter()
+    {
+        delete globalStatic.pointer;
+        globalStatic.pointer = 0;
+        globalStatic.destroyed = true;
+    }
+};
+
+#define Q_GLOBAL_STATIC_INIT(TYPE, NAME)                              \
+    static QGlobalStatic<TYPE > this_##NAME = { Q_BASIC_ATOMIC_INITIALIZER(0), false }
+
+#define Q_GLOBAL_STATIC(TYPE, NAME)                                     \
+    Q_GLOBAL_STATIC_INIT(TYPE, NAME);                                   \
+    static TYPE *NAME()                                                 \
+    {                                                                   \
+        if (!this_##NAME.pointer && !this_##NAME.destroyed) {           \
+            TYPE *x = new TYPE;                                         \
+            if (!this_##NAME.pointer.testAndSetOrdered(0, x))           \
+                delete x;                                               \
+            else                                                        \
+                static QGlobalStaticDeleter<TYPE > cleanup(this_##NAME); \
+        }                                                               \
+        return this_##NAME.pointer;                                     \
+    }
+
+#define Q_GLOBAL_STATIC_WITH_ARGS(TYPE, NAME, ARGS)                     \
+    Q_GLOBAL_STATIC_INIT(TYPE, NAME);                                   \
+    static TYPE *NAME()                                                 \
+    {                                                                   \
+        if (!this_##NAME.pointer && !this_##NAME.destroyed) {           \
+            TYPE *x = new TYPE ARGS;                                    \
+            if (!this_##NAME.pointer.testAndSetOrdered(0, x))           \
+                delete x;                                               \
+            else                                                        \
+                static QGlobalStaticDeleter<TYPE > cleanup(this_##NAME); \
+        }                                                               \
+        return this_##NAME.pointer;                                     \
+    }
+
+#define Q_GLOBAL_STATIC_WITH_INITIALIZER(TYPE, NAME, INITIALIZER)       \
+    Q_GLOBAL_STATIC_INIT(TYPE, NAME);                                   \
+    static TYPE *NAME()                                                 \
+    {                                                                   \
+        if (!this_##NAME.pointer && !this_##NAME.destroyed) {           \
+            TYPE *x = new TYPE;                                         \
+            INITIALIZER;                                                \
+            if (!this_##NAME.pointer.testAndSetOrdered(0, x))           \
+                delete x;                                               \
+            else                                                        \
+                static QGlobalStaticDeleter<TYPE > cleanup(this_##NAME); \
+        }                                                               \
+        return this_##NAME.pointer;                                     \
+    }
+
+#endif
+
+class QBool
+{
+    bool b;
+
+public:
+    inline explicit QBool(bool B) : b(B) {}
+    inline operator const void *() const
+    { return b ? static_cast<const void *>(this) : static_cast<const void *>(0); }
+};
+
+inline bool operator==(QBool b1, bool b2) { return !b1 == !b2; }
+inline bool operator==(bool b1, QBool b2) { return !b1 == !b2; }
+inline bool operator==(QBool b1, QBool b2) { return !b1 == !b2; }
+inline bool operator!=(QBool b1, bool b2) { return !b1 != !b2; }
+inline bool operator!=(bool b1, QBool b2) { return !b1 != !b2; }
+inline bool operator!=(QBool b1, QBool b2) { return !b1 != !b2; }
+
+static inline bool qFuzzyCompare(double p1, double p2)
+{
+    return (qAbs(p1 - p2) <= 0.000000000001 * qMin(qAbs(p1), qAbs(p2)));
+}
+
+static inline bool qFuzzyCompare(float p1, float p2)
+{
+    return (qAbs(p1 - p2) <= 0.00001f * qMin(qAbs(p1), qAbs(p2)));
+}
+
+/*
+   This function tests a double for a null value. It doesn't
+   check whether the actual value is 0 or close to 0, but whether
+   it is binary 0.
+*/
+static inline bool qIsNull(double d)
+{
+    union U {
+        double d;
+        quint64 u;
+    };
+    U val;
+    val.d = d;
+    return val.u == quint64(0);
+}
+
+/*
+   This function tests a float for a null value. It doesn't
+   check whether the actual value is 0 or close to 0, but whether
+   it is binary 0.
+*/
+static inline bool qIsNull(float f)
+{
+    union U {
+        float f;
+        quint32 u;
+    };
+    U val;
+    val.f = f;
+    return val.u == 0u;
+}
+
+/*
+   Compilers which follow outdated template instantiation rules
+   require a class to have a comparison operator to exist when
+   a QList of this type is instantiated. It's not actually
+   used in the list, though. Hence the dummy implementation.
+   Just in case other code relies on it we better trigger a warning
+   mandating a real implementation.
+*/
+
+#ifdef Q_FULL_TEMPLATE_INSTANTIATION
+#  define Q_DUMMY_COMPARISON_OPERATOR(C) \
+    bool operator==(const C&) const { \
+        qWarning(#C"::operator==(const "#C"&) was called"); \
+        return false; \
+    }
+#else
+#  define Q_DUMMY_COMPARISON_OPERATOR(C)
+#endif
+
+
+/*
+   QTypeInfo     - type trait functionality
+   qIsDetached   - data sharing functionality
+*/
+
+#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+
+/*
+  The catch-all template.
+*/
+
+template <typename T> inline bool qIsDetached(T &) { return true; }
+
+template <typename T>
+class QTypeInfo
+{
+public:
+    enum {
+        isPointer = false,
+        isComplex = true,
+        isStatic = true,
+        isLarge = (sizeof(T)>sizeof(void*)),
+        isDummy = false
+    };
+};
+
+template <typename T>
+class QTypeInfo<T*>
+{
+public:
+    enum {
+        isPointer = true,
+        isComplex = false,
+        isStatic = false,
+        isLarge = false,
+        isDummy = false
+    };
+};
+
+#else
+
+template <typename T> char QTypeInfoHelper(T*(*)());
+void* QTypeInfoHelper(...);
+
+template <typename T> inline bool qIsDetached(T &) { return true; }
+
+template <typename T>
+class QTypeInfo
+{
+public:
+    enum {
+        isPointer = (1 == sizeof(QTypeInfoHelper((T(*)())0))),
+        isComplex = !isPointer,
+        isStatic = !isPointer,
+        isLarge = (sizeof(T)>sizeof(void*)),
+        isDummy = false
+    };
+};
+
+#endif /* QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION */
+
+/*
+   Specialize a specific type with:
+
+     Q_DECLARE_TYPEINFO(type, flags);
+
+   where 'type' is the name of the type to specialize and 'flags' is
+   logically-OR'ed combination of the flags below.
+*/
+enum { /* TYPEINFO flags */
+    Q_COMPLEX_TYPE = 0,
+    Q_PRIMITIVE_TYPE = 0x1,
+    Q_STATIC_TYPE = 0,
+    Q_MOVABLE_TYPE = 0x2,
+    Q_DUMMY_TYPE = 0x4
+};
+
+#define Q_DECLARE_TYPEINFO(TYPE, FLAGS) \
+template <> \
+class QTypeInfo<TYPE > \
+{ \
+public: \
+    enum { \
+        isComplex = (((FLAGS) & Q_PRIMITIVE_TYPE) == 0), \
+        isStatic = (((FLAGS) & (Q_MOVABLE_TYPE | Q_PRIMITIVE_TYPE)) == 0), \
+        isLarge = (sizeof(TYPE)>sizeof(void*)), \
+        isPointer = false, \
+        isDummy = (((FLAGS) & Q_DUMMY_TYPE) != 0) \
+    }; \
+    static inline const char *name() { return #TYPE; } \
+}
+
+/*
+   Specialize a shared type with:
+
+     Q_DECLARE_SHARED(type);
+
+   where 'type' is the name of the type to specialize.  NOTE: shared
+   types must declare a 'bool isDetached(void) const;' member for this
+   to work.
+*/
+#if defined Q_CC_MSVC && _MSC_VER < 1300
+template <typename T>
+inline void qSwap_helper(T &value1, T &value2, T*)
+{
+    T t = value1;
+    value1 = value2;
+    value2 = t;
+}
+#define Q_DECLARE_SHARED(TYPE)                                          \
+template <> inline bool qIsDetached<TYPE>(TYPE &t) { return t.isDetached(); } \
+template <> inline void qSwap_helper<TYPE>(TYPE &value1, TYPE &value2, TYPE*) \
+{ \
+    const TYPE::DataPtr t = value1.data_ptr(); \
+    value1.data_ptr() = value2.data_ptr(); \
+    value2.data_ptr() = t; \
+}
+#else
+#define Q_DECLARE_SHARED(TYPE)                                          \
+template <> inline bool qIsDetached<TYPE>(TYPE &t) { return t.isDetached(); } \
+template <typename T> inline void qSwap(T &, T &); \
+template <> inline void qSwap<TYPE>(TYPE &value1, TYPE &value2) \
+{ \
+    const TYPE::DataPtr t = value1.data_ptr(); \
+    value1.data_ptr() = value2.data_ptr(); \
+    value2.data_ptr() = t; \
+}
+#endif
+
+/*
+   QTypeInfo primitive specializations
+*/
+Q_DECLARE_TYPEINFO(bool, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(char, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(signed char, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(uchar, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(short, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(ushort, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(int, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(uint, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(long, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(ulong, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(qint64, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(quint64, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(float, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(double, Q_PRIMITIVE_TYPE);
+#ifndef Q_OS_DARWIN
+Q_DECLARE_TYPEINFO(long double, Q_PRIMITIVE_TYPE);
+#endif
+
+/*
+   These functions make it possible to use standard C++ functions with
+   a similar name from Qt header files (especially template classes).
+*/
+Q_CORE_EXPORT void *qMalloc(size_t size);
+Q_CORE_EXPORT void qFree(void *ptr);
+Q_CORE_EXPORT void *qRealloc(void *ptr, size_t size);
+Q_CORE_EXPORT void *qMemCopy(void *dest, const void *src, size_t n);
+Q_CORE_EXPORT void *qMemSet(void *dest, int c, size_t n);
+
+
+/*
+   Avoid some particularly useless warnings from some stupid compilers.
+   To get ALL C++ compiler warnings, define QT_CC_WARNINGS or comment out
+   the line "#define QT_NO_WARNINGS".
+*/
+#if !defined(QT_CC_WARNINGS)
+#  define QT_NO_WARNINGS
+#endif
+#if defined(QT_NO_WARNINGS)
+#  if defined(Q_CC_MSVC)
+#    pragma warning(disable: 4251) /* class 'A' needs to have dll interface for to be used by clients of class 'B'. */
+#    pragma warning(disable: 4244) /* 'conversion' conversion from 'type1' to 'type2', possible loss of data */
+#    pragma warning(disable: 4275) /* non - DLL-interface classkey 'identifier' used as base for DLL-interface classkey 'identifier' */
+#    pragma warning(disable: 4514) /* unreferenced inline/local function has been removed */
+#    pragma warning(disable: 4800) /* 'type' : forcing value to bool 'true' or 'false' (performance warning) */
+#    pragma warning(disable: 4097) /* typedef-name 'identifier1' used as synonym for class-name 'identifier2' */
+#    pragma warning(disable: 4706) /* assignment within conditional expression */
+#    pragma warning(disable: 4786) /* truncating debug info after 255 characters */
+#    pragma warning(disable: 4660) /* template-class specialization 'identifier' is already instantiated */
+#    pragma warning(disable: 4355) /* 'this' : used in base member initializer list */
+#    pragma warning(disable: 4231) /* nonstandard extension used : 'extern' before template explicit instantiation */
+#    pragma warning(disable: 4710) /* function not inlined */
+#    pragma warning(disable: 4530) /* C++ exception handler used, but unwind semantics are not enabled. Specify -GX */
+#    if _MSC_VER < 1300
+#      pragma warning(disable: 4284) /* return type for 'type1::operator ->' is 'type2 *' */
+                                     /* (ie; not a UDT or reference to a UDT.  Will produce errors if applied using infix notation) */
+#    endif
+#  elif defined(Q_CC_BOR)
+#    pragma option -w-inl
+#    pragma option -w-aus
+#    pragma warn -inl
+#    pragma warn -pia
+#    pragma warn -ccc
+#    pragma warn -rch
+#    pragma warn -sig
+#  endif
+#endif
+
+class Q_CORE_EXPORT QFlag
+{
+    int i;
+public:
+    inline QFlag(int i);
+    inline operator int() const { return i; }
+};
+
+inline QFlag::QFlag(int ai) : i(ai) {}
+
+class Q_CORE_EXPORT QIncompatibleFlag
+{
+    int i;
+public:
+    inline explicit QIncompatibleFlag(int i);
+    inline operator int() const { return i; }
+};
+
+inline QIncompatibleFlag::QIncompatibleFlag(int ai) : i(ai) {}
+
+
+#ifndef Q_NO_TYPESAFE_FLAGS
+
+template<typename Enum>
+class QFlags
+{
+    typedef void **Zero;
+    int i;
+public:
+    typedef Enum enum_type;
+    inline QFlags(const QFlags &f) : i(f.i) {}
+    inline QFlags(Enum f) : i(f) {}
+    inline QFlags(Zero = 0) : i(0) {}
+    inline QFlags(QFlag f) : i(f) {}
+
+    inline QFlags &operator=(const QFlags &f) { i = f.i; return *this; }
+    inline QFlags &operator&=(int mask) { i &= mask; return *this; }
+    inline QFlags &operator&=(uint mask) { i &= mask; return *this; }
+    inline QFlags &operator|=(QFlags f) { i |= f.i; return *this; }
+    inline QFlags &operator|=(Enum f) { i |= f; return *this; }
+    inline QFlags &operator^=(QFlags f) { i ^= f.i; return *this; }
+    inline QFlags &operator^=(Enum f) { i ^= f; return *this; }
+
+    inline operator int() const { return i; }
+
+    inline QFlags operator|(QFlags f) const { QFlags g; g.i = i | f.i; return g; }
+    inline QFlags operator|(Enum f) const { QFlags g; g.i = i | f; return g; }
+    inline QFlags operator^(QFlags f) const { QFlags g; g.i = i ^ f.i; return g; }
+    inline QFlags operator^(Enum f) const { QFlags g; g.i = i ^ f; return g; }
+    inline QFlags operator&(int mask) const { QFlags g; g.i = i & mask; return g; }
+    inline QFlags operator&(uint mask) const { QFlags g; g.i = i & mask; return g; }
+    inline QFlags operator&(Enum f) const { QFlags g; g.i = i & f; return g; }
+    inline QFlags operator~() const { QFlags g; g.i = ~i; return g; }
+
+    inline bool operator!() const { return !i; }
+
+    inline bool testFlag(Enum f) const { return (i & f) == f; }
+};
+
+#define Q_DECLARE_FLAGS(Flags, Enum)\
+typedef QFlags<Enum> Flags;
+
+#if defined Q_CC_MSVC && _MSC_VER < 1300
+# define Q_DECLARE_INCOMPATIBLE_FLAGS(Flags)
+#else
+# define Q_DECLARE_INCOMPATIBLE_FLAGS(Flags) \
+inline QIncompatibleFlag operator|(Flags::enum_type f1, int f2) \
+{ return QIncompatibleFlag(int(f1) | f2); }
+#endif
+
+#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags) \
+inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) \
+{ return QFlags<Flags::enum_type>(f1) | f2; } \
+inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) \
+{ return f2 | f1; } Q_DECLARE_INCOMPATIBLE_FLAGS(Flags)
+
+
+#else /* Q_NO_TYPESAFE_FLAGS */
+
+#define Q_DECLARE_FLAGS(Flags, Enum)\
+typedef uint Flags;
+#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags)
+
+#endif /* Q_NO_TYPESAFE_FLAGS */
+
+#if defined(Q_CC_GNU) && !defined(Q_CC_INTEL)
+/* make use of typeof-extension */
+template <typename T>
+class QForeachContainer {
+public:
+    inline QForeachContainer(const T& t) : c(t), brk(0), i(c.begin()), e(c.end()) { }
+    const T c;
+    int brk;
+    typename T::const_iterator i, e;
+};
+
+#define Q_FOREACH(variable, container)                                \
+for (QForeachContainer<__typeof__(container)> _container_(container); \
+     !_container_.brk && _container_.i != _container_.e;              \
+     __extension__  ({ ++_container_.brk; ++_container_.i; }))                       \
+    for (variable = *_container_.i;; __extension__ ({--_container_.brk; break;}))
+
+#else
+
+struct QForeachContainerBase {};
+
+template <typename T>
+class QForeachContainer : public QForeachContainerBase {
+public:
+    inline QForeachContainer(const T& t): c(t), brk(0), i(c.begin()), e(c.end()){};
+    const T c;
+    mutable int brk;
+    mutable typename T::const_iterator i, e;
+    inline bool condition() const { return (!brk++ && i != e); }
+};
+
+template <typename T> inline T *qForeachPointer(const T &) { return 0; }
+
+template <typename T> inline QForeachContainer<T> qForeachContainerNew(const T& t)
+{ return QForeachContainer<T>(t); }
+
+template <typename T>
+inline const QForeachContainer<T> *qForeachContainer(const QForeachContainerBase *base, const T *)
+{ return static_cast<const QForeachContainer<T> *>(base); }
+
+#if (defined(Q_CC_MSVC) && !defined(Q_CC_MSVC_NET) && !defined(Q_CC_INTEL)) || defined(Q_CC_MIPS)
+/*
+   Proper for-scoping in VC++6 and MIPSpro CC
+*/
+#  define Q_FOREACH(variable,container)                                                             \
+    if(0){}else                                                                                     \
+    for (const QForeachContainerBase &_container_ = qForeachContainerNew(container);                \
+         qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->condition();       \
+         ++qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->i)               \
+        for (variable = *qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->i; \
+             qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->brk;           \
+             --qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->brk)
+
+#else
+#  define Q_FOREACH(variable, container) \
+    for (const QForeachContainerBase &_container_ = qForeachContainerNew(container); \
+         qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->condition();       \
+         ++qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->i)               \
+        for (variable = *qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->i; \
+             qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->brk;           \
+             --qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->brk)
+#endif // MSVC6 || MIPSpro
+
+#endif
+
+#define Q_FOREVER for(;;)
+#ifndef QT_NO_KEYWORDS
+#  ifndef foreach
+#    define foreach Q_FOREACH
+#  endif
+#  ifndef forever
+#    define forever Q_FOREVER
+#  endif
+#endif
+
+#if 0
+/* tell gcc to use its built-in methods for some common functions */
+#if defined(QT_NO_DEBUG) && defined(Q_CC_GNU)
+#  define qMemCopy __builtin_memcpy
+#  define qMemSet __builtin_memset
+#endif
+#endif
+
+#define Q_DECLARE_PRIVATE(Class) \
+    inline Class##Private* d_func() { return reinterpret_cast<Class##Private *>(d_ptr); } \
+    inline const Class##Private* d_func() const { return reinterpret_cast<const Class##Private *>(d_ptr); } \
+    friend class Class##Private;
+
+#define Q_DECLARE_PRIVATE_D(Dptr, Class) \
+    inline Class##Private* d_func() { return reinterpret_cast<Class##Private *>(Dptr); } \
+    inline const Class##Private* d_func() const { return reinterpret_cast<const Class##Private *>(Dptr); } \
+    friend class Class##Private;
+
+#define Q_DECLARE_PUBLIC(Class)                                    \
+    inline Class* q_func() { return static_cast<Class *>(q_ptr); } \
+    inline const Class* q_func() const { return static_cast<const Class *>(q_ptr); } \
+    friend class Class;
+
+#define Q_D(Class) Class##Private * const d = d_func()
+#define Q_Q(Class) Class * const q = q_func()
+
+#define QT_TR_NOOP(x) (x)
+#define QT_TR_NOOP_UTF8(x) (x)
+#define QT_TRANSLATE_NOOP(scope, x) (x)
+#define QT_TRANSLATE_NOOP_UTF8(scope, x) (x)
+#define QT_TRANSLATE_NOOP3(scope, x, comment) {x, comment}
+#define QT_TRANSLATE_NOOP3_UTF8(scope, x, comment) {x, comment}
+#define QDOC_PROPERTY(text)
+
+/*
+   When RTTI is not available, define this macro to force any uses of
+   dynamic_cast to cause a compile failure.
+*/
+
+#ifdef QT_NO_DYNAMIC_CAST
+#  define dynamic_cast QT_PREPEND_NAMESPACE(qt_dynamic_cast_check)
+
+  template<typename T, typename X>
+  T qt_dynamic_cast_check(X, T* = 0)
+  { return T::dynamic_cast_will_always_fail_because_rtti_is_disabled; }
+#endif
+
+/*
+   Some classes do not permit copies to be made of an object. These
+   classes contains a private copy constructor and assignment
+   operator to disable copying (the compiler gives an error message).
+*/
+
+#if !defined(Q_NO_DECLARED_NOT_DEFINED) || !defined(QT_MAKEDLL)
+# define Q_DISABLE_COPY(Class) \
+     Class(const Class &); \
+     Class &operator=(const Class &);
+#else
+# define Q_DISABLE_COPY(Class)
+#endif
+
+class QByteArray;
+Q_CORE_EXPORT QByteArray qgetenv(const char *varName);
+Q_CORE_EXPORT bool qputenv(const char *varName, const QByteArray& value);
+
+inline int qIntCast(double f) { return int(f); }
+inline int qIntCast(float f) { return int(f); }
+
+/*
+  Reentrant versions of basic rand() functions for random number generation
+*/
+Q_CORE_EXPORT void qsrand(uint seed);
+Q_CORE_EXPORT int qrand();
+
+/*
+   Compat functions that were generated by configure
+*/
+#ifdef QT3_SUPPORT
+#ifndef QT_PRODUCT_LICENSEE
+#  define QT_PRODUCT_LICENSEE QLibraryInfo::licensee()
+#endif
+#ifndef QT_PRODUCT_LICENSE
+#  define QT_PRODUCT_LICENSE QLibraryInfo::licensedProducts()
+#endif
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPath();
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathDocs();
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathHeaders();
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathLibs();
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathBins();
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathPlugins();
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathData();
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathTranslations();
+QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathSysconf();
+#endif
+
+/*
+   This gives us the possibility to check which modules the user can
+   use. These are purely compile time checks and will generate no code.
+*/
+
+/* Qt modules */
+#define QT_MODULE_CORE                 0x00001
+#define QT_MODULE_GUI                  0x00002
+#define QT_MODULE_NETWORK              0x00004
+#define QT_MODULE_OPENGL               0x00008
+#define QT_MODULE_SQL                  0x00010
+#define QT_MODULE_XML                  0x00020
+#define QT_MODULE_QT3SUPPORTLIGHT      0x00040
+#define QT_MODULE_QT3SUPPORT           0x00080
+#define QT_MODULE_SVG                  0x00100
+#define QT_MODULE_ACTIVEQT             0x00200
+#define QT_MODULE_GRAPHICSVIEW         0x00400
+#define QT_MODULE_SCRIPT               0x00800
+#define QT_MODULE_XMLPATTERNS          0x01000
+#define QT_MODULE_HELP                 0x02000
+#define QT_MODULE_TEST                 0x04000
+#define QT_MODULE_DBUS                 0x08000
+#define QT_MODULE_SCRIPTTOOLS          0x10000
+
+/* Qt editions */
+#define QT_EDITION_CONSOLE      (QT_MODULE_CORE \
+                                 | QT_MODULE_NETWORK \
+                                 | QT_MODULE_SQL \
+                                 | QT_MODULE_SCRIPT \
+                                 | QT_MODULE_XML \
+                                 | QT_MODULE_XMLPATTERNS \
+                                 | QT_MODULE_TEST \
+                                 | QT_MODULE_DBUS)
+#define QT_EDITION_DESKTOPLIGHT (QT_MODULE_CORE \
+                                 | QT_MODULE_GUI \
+                                 | QT_MODULE_QT3SUPPORTLIGHT \
+                                 | QT_MODULE_TEST \
+                                 | QT_MODULE_DBUS)
+#define QT_EDITION_OPENSOURCE   (QT_MODULE_CORE \
+                                 | QT_MODULE_GUI \
+                                 | QT_MODULE_NETWORK \
+                                 | QT_MODULE_OPENGL \
+                                 | QT_MODULE_SQL \
+                                 | QT_MODULE_XML \
+                                 | QT_MODULE_XMLPATTERNS \
+                                 | QT_MODULE_SCRIPT \
+                                 | QT_MODULE_SCRIPTTOOLS \
+                                 | QT_MODULE_QT3SUPPORTLIGHT \
+                                 | QT_MODULE_QT3SUPPORT \
+                                 | QT_MODULE_SVG \
+                                 | QT_MODULE_GRAPHICSVIEW \
+                                 | QT_MODULE_HELP \
+                                 | QT_MODULE_TEST \
+                                 | QT_MODULE_DBUS)
+#define QT_EDITION_DESKTOP      (QT_EDITION_OPENSOURCE \
+                                 | QT_MODULE_ACTIVEQT)
+#define QT_EDITION_UNIVERSAL    QT_EDITION_DESKTOP
+#define QT_EDITION_ACADEMIC     QT_EDITION_DESKTOP
+#define QT_EDITION_EDUCATIONAL  QT_EDITION_DESKTOP
+#define QT_EDITION_EVALUATION   QT_EDITION_DESKTOP
+
+/* Determine which modules can be used */
+#ifndef QT_EDITION
+#  ifdef QT_BUILD_QMAKE
+#    define QT_EDITION QT_EDITION_DESKTOP
+#  else
+#    error "Qt not configured correctly, please run configure"
+#  endif
+#endif
+
+#define QT_LICENSED_MODULE(x) \
+    enum QtValidLicenseFor##x##Module { Licensed##x = true };
+
+#if (QT_EDITION & QT_MODULE_CORE)
+QT_LICENSED_MODULE(Core)
+#endif
+#if (QT_EDITION & QT_MODULE_GUI)
+QT_LICENSED_MODULE(Gui)
+#endif
+#if (QT_EDITION & QT_MODULE_NETWORK)
+QT_LICENSED_MODULE(Network)
+#endif
+#if (QT_EDITION & QT_MODULE_OPENGL)
+QT_LICENSED_MODULE(OpenGL)
+#endif
+#if (QT_EDITION & QT_MODULE_SQL)
+QT_LICENSED_MODULE(Sql)
+#endif
+#if (QT_EDITION & QT_MODULE_XML)
+QT_LICENSED_MODULE(Xml)
+#endif
+#if (QT_EDITION & QT_MODULE_XMLPATTERNS)
+QT_LICENSED_MODULE(XmlPatterns)
+#endif
+#if (QT_EDITION & QT_MODULE_HELP)
+QT_LICENSED_MODULE(Help)
+#endif
+#if (QT_EDITION & QT_MODULE_SCRIPT) || defined(QT_BUILD_QMAKE)
+QT_LICENSED_MODULE(Script)
+#endif
+#if (QT_EDITION & QT_MODULE_SCRIPTTOOLS)
+QT_LICENSED_MODULE(ScriptTools)
+#endif
+#if (QT_EDITION & QT_MODULE_QT3SUPPORTLIGHT)
+QT_LICENSED_MODULE(Qt3SupportLight)
+#endif
+#if (QT_EDITION & QT_MODULE_QT3SUPPORT)
+QT_LICENSED_MODULE(Qt3Support)
+#endif
+#if (QT_EDITION & QT_MODULE_SVG)
+QT_LICENSED_MODULE(Svg)
+#endif
+#if (QT_EDITION & QT_MODULE_ACTIVEQT)
+QT_LICENSED_MODULE(ActiveQt)
+#endif
+#if (QT_EDITION & QT_MODULE_TEST)
+QT_LICENSED_MODULE(Test)
+#endif
+#if (QT_EDITION & QT_MODULE_DBUS)
+QT_LICENSED_MODULE(DBus)
+#endif
+
+#define QT_MODULE(x) \
+    typedef QtValidLicenseFor##x##Module Qt##x##Module;
+
+#ifdef QT_NO_CONCURRENT
+#  define QT_NO_QFUTURE
+#endif
+
+/*
+    Turn off certain features for compilers that have problems parsing
+    the code.
+*/
+#if (defined(Q_CC_HPACC) && defined(QT_ARCH_PARISC)) \
+    || defined(Q_CC_MIPS) \
+    || defined(Q_CC_XLC)
+// HP aCC A.03.*, MIPSpro, and xlC cannot handle
+// the template function declarations for the QtConcurrent functions
+#  define QT_NO_QFUTURE
+#  define QT_NO_CONCURRENT
+#endif
+
+// MSVC 6.0, MSVC .NET 2002, and old versions of Sun CC can`t handle the map(), etc templates,
+// but the QFuture class compiles.
+#if (defined(Q_CC_MSVC) && _MSC_VER <= 1300) || (defined (__SUNPRO_CC) && __SUNPRO_CC <= 0x590)
+#  define QT_NO_CONCURRENT
+#endif
+
+// Mingw uses a gcc 3 version which has problems with some of the
+// map/filter overloads. So does IRIX and Solaris.
+#if (defined(Q_OS_IRIX) || defined(Q_CC_MINGW) || defined (Q_OS_SOLARIS)) && (__GNUC__ < 4)
+#  define QT_NO_CONCURRENT_MAP
+#  define QT_NO_CONCURRENT_FILTER
+#endif
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif /* __cplusplus */
+
+#endif /* QGLOBAL_H */
diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp
new file mode 100644
index 0000000000..ada08c7ee0
--- /dev/null
+++ b/src/corelib/global/qlibraryinfo.cpp
@@ -0,0 +1,584 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdir.h"
+#include "qfile.h"    
+#include "qconfig.h"
+#include "qsettings.h"
+#include "qlibraryinfo.h"
+#include "qpointer.h"
+
+#ifdef QT_BUILD_QMAKE
+QT_BEGIN_NAMESPACE
+extern QString qmake_libraryInfoFile();
+QT_END_NAMESPACE
+#else
+# include "qcoreapplication.h"
+#endif
+
+#ifdef Q_OS_MAC
+#  include "private/qcore_mac_p.h"
+#endif
+
+#include "qconfig.cpp"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_SETTINGS
+
+struct QLibrarySettings
+{
+    QLibrarySettings();
+    ~QLibrarySettings() { delete static_cast<QSettings *>(settings); }
+    QSettings *settings;
+};
+Q_GLOBAL_STATIC(QLibrarySettings, qt_library_settings)
+
+class QLibraryInfoPrivate
+{
+public:
+    static QSettings *findConfiguration();
+    static void cleanup()
+    {
+        QLibrarySettings *ls = qt_library_settings();
+        if (ls) {
+            delete static_cast<QSettings *>(ls->settings);
+            ls->settings = 0;
+        }
+    }
+    static QSettings *configuration()
+    {
+#ifdef QT_NO_THREAD
+        // This recursion guard should be a temporary solution; the recursive
+        // dependency should be found and removed.
+        static bool initializing = false;
+        if (initializing)
+            return 0;
+        initializing = true;
+#endif
+        QLibrarySettings *ls = qt_library_settings();
+#ifdef QT_NO_THREAD
+        initializing = false;
+#endif
+        return ls ? static_cast<QSettings *>(qt_library_settings()->settings) : (QSettings*)0;
+    }
+};
+
+QLibrarySettings::QLibrarySettings()
+{
+    settings = QLibraryInfoPrivate::findConfiguration();
+#ifndef QT_BUILD_QMAKE
+    qAddPostRoutine(QLibraryInfoPrivate::cleanup);
+#endif
+}
+
+QSettings *QLibraryInfoPrivate::findConfiguration()
+{
+    QString qtconfig = QLatin1String(":/qt/etc/qt.conf");
+#ifdef QT_BUILD_QMAKE
+    if(!QFile::exists(qtconfig))
+        qtconfig = qmake_libraryInfoFile();
+#else
+    if (!QFile::exists(qtconfig) && QCoreApplication::instance()) {
+#ifdef Q_OS_MAC
+	CFBundleRef bundleRef = CFBundleGetMainBundle();
+        if (bundleRef) {
+	    QCFType<CFURLRef> urlRef = CFBundleCopyResourceURL(bundleRef,
+							       QCFString(QLatin1String("qt.conf")),
+							       0,
+							       0);
+	    if (urlRef) {
+	        QCFString path = CFURLCopyFileSystemPath(urlRef, kCFURLPOSIXPathStyle);
+		qtconfig = QDir::cleanPath(path);
+	    }
+	}
+	if (qtconfig.isEmpty())
+#endif
+            {
+                QDir pwd(QCoreApplication::applicationDirPath());
+                qtconfig = pwd.filePath(QLatin1String("qt.conf"));
+	    }
+    }
+#endif
+    if (QFile::exists(qtconfig))
+        return new QSettings(qtconfig, QSettings::IniFormat);
+    return 0;     //no luck
+}
+
+/*!
+    \class QLibraryInfo
+    \brief The QLibraryInfo class provides information about the Qt library.
+
+    \ingroup misc
+    \mainclass
+
+    Many pieces of information are established when Qt is configured.
+    Installation paths, license information, and even a unique build
+    key. This class provides an abstraction for accessing this
+    information.
+
+    \table
+    \header \o Function           \o Return value
+    \row    \o buildKey()         \o A string that identifies the Qt version and
+                                     the configuration. This key is used to ensure
+                                     that \l{plugins} link against the same version
+                                     of Qt as the application.
+    \row    \o location()         \o The path to a certain Qt
+                                     component (e.g., documentation, header files).
+    \row    \o licensee(),
+               licensedProducts() \o Licensing information.
+    \endtable
+
+    You can also use a \c qt.conf file to override the hard-coded paths
+    that are compiled into the Qt library. For more information, see
+    the \l {Using qt.conf} documentation.
+
+    \sa QSysInfo, {Using qt.conf}
+*/
+
+/*! \internal
+
+   You cannot create a QLibraryInfo, instead only the static functions are available to query
+   information.
+*/
+
+QLibraryInfo::QLibraryInfo()
+{ }
+
+/*!
+  Returns the person to whom this build of Qt is licensed.
+
+  \sa licensedProducts()
+*/
+
+QString
+QLibraryInfo::licensee()
+{
+    const char *str = QT_CONFIGURE_LICENSEE;
+    return QString::fromLocal8Bit(str);
+}
+
+/*!
+  Returns the products that the license for this build of Qt has access to.
+
+  \sa licensee()
+*/
+
+QString
+QLibraryInfo::licensedProducts()
+{
+    const char *str = QT_CONFIGURE_LICENSED_PRODUCTS;
+    return QString::fromLatin1(str);
+}
+
+/*!
+    Returns a unique key identifying this build of Qt and its
+    configurations. This key is not globally unique, rather only useful
+    for establishing of two configurations are compatible. This can be
+    used to compare with the \c QT_BUILD_KEY preprocessor symbol.
+
+    \sa location()
+*/
+
+QString
+QLibraryInfo::buildKey()
+{
+    return QString::fromLatin1(QT_BUILD_KEY);
+}
+
+/*!
+  Returns the location specified by \a loc.
+
+*/
+
+QString
+QLibraryInfo::location(LibraryLocation loc)
+{
+    QString ret;
+    if(!QLibraryInfoPrivate::configuration()) {
+        const char *path = 0;
+        switch (loc) {
+#ifdef QT_CONFIGURE_PREFIX_PATH
+        case PrefixPath:
+            path = QT_CONFIGURE_PREFIX_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_DOCUMENTATION_PATH
+        case DocumentationPath:
+            path = QT_CONFIGURE_DOCUMENTATION_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_HEADERS_PATH
+        case HeadersPath:
+            path = QT_CONFIGURE_HEADERS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_LIBRARIES_PATH
+        case LibrariesPath:
+            path = QT_CONFIGURE_LIBRARIES_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_BINARIES_PATH
+        case BinariesPath:
+            path = QT_CONFIGURE_BINARIES_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_PLUGINS_PATH
+        case PluginsPath:
+            path = QT_CONFIGURE_PLUGINS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_DATA_PATH
+        case DataPath:
+            path = QT_CONFIGURE_DATA_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_TRANSLATIONS_PATH
+        case TranslationsPath:
+            path = QT_CONFIGURE_TRANSLATIONS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_SETTINGS_PATH
+        case SettingsPath:
+            path = QT_CONFIGURE_SETTINGS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_EXAMPLES_PATH
+        case ExamplesPath:
+            path = QT_CONFIGURE_EXAMPLES_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_DEMOS_PATH
+        case DemosPath:
+            path = QT_CONFIGURE_DEMOS_PATH;
+            break;
+#endif
+        default:
+            break;
+        }
+
+        if (path)
+            ret = QString::fromLocal8Bit(path);
+    } else {
+        QString key;
+        QString defaultValue;
+        switch(loc) {
+        case PrefixPath:
+            key = QLatin1String("Prefix");
+            break;
+        case DocumentationPath:
+            key = QLatin1String("Documentation");
+            defaultValue = QLatin1String("doc");
+            break;
+        case HeadersPath:
+            key = QLatin1String("Headers");
+            defaultValue = QLatin1String("include");
+            break;
+        case LibrariesPath:
+            key = QLatin1String("Libraries");
+            defaultValue = QLatin1String("lib");
+            break;
+        case BinariesPath:
+            key = QLatin1String("Binaries");
+            defaultValue = QLatin1String("bin");
+            break;
+        case PluginsPath:
+            key = QLatin1String("Plugins");
+            defaultValue = QLatin1String("plugins");
+            break;
+        case DataPath:
+            key = QLatin1String("Data");
+            break;
+        case TranslationsPath:
+            key = QLatin1String("Translations");
+            defaultValue = QLatin1String("translations");
+            break;
+        case SettingsPath:
+            key = QLatin1String("Settings");
+            break;
+        case ExamplesPath:
+            key = QLatin1String("Examples");
+            break;
+        case DemosPath:
+            key = QLatin1String("Demos");
+            break;
+        default:
+            break;
+        }
+
+        if(!key.isNull()) {
+            QSettings *config = QLibraryInfoPrivate::configuration();
+            config->beginGroup(QLatin1String("Paths"));
+
+            QString subKey;
+            {
+                /*
+                  find the child group whose version number is closest
+                  to the library version.  for example and we have the
+                  following groups:
+
+                  Paths
+                  Paths/4.0
+                  Paths/4.1.2
+                  Paths/4.2.5
+                  Paths/5
+
+                  if QT_VERSION is 4.0.1, then we use 'Paths/4.0'
+                  if QT_VERSION is 4.1.5, then we use 'Paths/4.1.2'
+                  if QT_VERSION is 4.6.3, then we use 'Paths/4.2.5'
+                  if QT_VERSION is 6.0.2, then we use 'Paths/5'
+
+                  note: any of the trailing version numbers may be
+                  omitted (in which case, they default to zero),
+                  i.e. 4 == 4.0.0, 4.1 == 4.1.0, and so on
+                */
+                enum {
+                    QT_MAJOR = ((QT_VERSION >> 16) & 0xFF),
+                    QT_MINOR = ((QT_VERSION >> 8) & 0xFF),
+                    QT_PATCH = (QT_VERSION & 0xFF)
+                };
+                int maj = 0, min = 0, pat = 0;
+                QStringList children = config->childGroups();
+                for(int child = 0; child < children.size(); ++child) {
+                    QString cver = children.at(child);
+                    QStringList cver_list = cver.split(QLatin1Char('.'));
+                    if(cver_list.size() > 0 && cver_list.size() < 4) {
+                        bool ok;
+                        int cmaj = -1, cmin = -1, cpat = -1;
+                        cmaj = cver_list[0].toInt(&ok);
+                        if(!ok || cmaj < 0)
+                            continue;
+                        if(cver_list.size() >= 2) {
+                            cmin = cver_list[1].toInt(&ok);
+                            if(!ok)
+                                continue;
+                            if(cmin < 0)
+                                cmin = -1;
+                        }
+                        if(cver_list.size() >= 3) {
+                            cpat = cver_list[2].toInt(&ok);
+                            if(!ok)
+                                continue;
+                            if(cpat < 0)
+                                cpat = -1;
+                        }
+                        if((cmaj >= maj && cmaj <= QT_MAJOR) &&
+                           (cmin == -1 || (cmin >= min && cmin <= QT_MINOR)) &&
+                           (cpat == -1 || (cpat >= pat && cpat <= QT_PATCH)) &&
+                           config->contains(cver + QLatin1Char('/') + key)) {
+                            subKey = cver + QLatin1Char('/');
+                            maj = cmaj;
+                            min = cmin;
+                            pat = cpat;
+                        }
+                    }
+                }
+            }
+            ret = config->value(subKey + key, defaultValue).toString();
+            // expand environment variables in the form $(ENVVAR)
+            int rep;
+            QRegExp reg_var(QLatin1String("\\$\\(.*\\)"));
+            reg_var.setMinimal(true);
+            while((rep = reg_var.indexIn(ret)) != -1) {
+                ret.replace(rep, reg_var.matchedLength(),
+                            QString::fromLocal8Bit(qgetenv(ret.mid(rep + 2,
+                                reg_var.matchedLength() - 3).toLatin1().constData()).constData()));
+            }
+            config->endGroup();
+        }
+    }
+
+    if (QDir::isRelativePath(ret)) {
+        if (loc == PrefixPath) {
+            // we make the prefix path absolute to the executable's directory
+#ifdef QT_BUILD_QMAKE
+            return QFileInfo(qmake_libraryInfoFile()).absolutePath();
+#else
+            if (QCoreApplication::instance()) {
+#ifdef Q_OS_MAC
+	        CFBundleRef bundleRef = CFBundleGetMainBundle();
+		if (bundleRef) {
+		    QCFType<CFURLRef> urlRef = CFBundleCopyBundleURL(bundleRef);
+		    if (urlRef) {
+		        QCFString path = CFURLCopyFileSystemPath(urlRef, kCFURLPOSIXPathStyle);
+		        return QDir::cleanPath(path + QLatin1String("/Contents"));
+		    }
+		}
+#endif
+                return QDir(QCoreApplication::applicationDirPath()).absoluteFilePath(ret);
+            } else {
+                return QDir::current().absoluteFilePath(ret);
+            }
+#endif
+        } else {
+            // we make any other path absolute to the prefix directory
+            return QDir(location(PrefixPath)).absoluteFilePath(ret);
+        }
+    }
+    return ret;
+}
+
+/*!
+    \enum QLibraryInfo::LibraryLocation
+
+    \keyword library location
+
+    This enum type is used to specify a specific location
+    specifier:
+
+    \value PrefixPath The default prefix for all paths.
+    \value DocumentationPath The location for documentation upon install.
+    \value HeadersPath The location for all headers.
+    \value LibrariesPath The location of installed librarires.
+    \value BinariesPath The location of installed Qt binaries (tools and applications).
+    \value PluginsPath The location of installed Qt plugins.
+    \value DataPath The location of general Qt data.
+    \value TranslationsPath The location of translation information for Qt strings.
+    \value SettingsPath The location for Qt settings.
+    \value ExamplesPath The location for examples upon install.
+    \value DemosPath The location for demos upon install.
+
+    \sa location()
+*/
+
+#endif // QT_NO_SETTINGS
+
+QT_END_NAMESPACE
+
+#if defined(Q_CC_GNU) && defined(Q_OS_LINUX) && !defined(QT_LINUXBASE) && !defined(QT_BOOTSTRAPPED)
+
+#  include <sys/syscall.h>
+#  include <unistd.h>
+
+static const char boilerplate[] =
+    "This is the QtCore library version " QT_VERSION_STR "\n"
+    "Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).\n"
+    "Contact: Qt Software Information (qt-info@nokia.com)\n"
+    "\n"
+    "Build key:           " QT_BUILD_KEY;
+
+extern "C" {
+void qt_core_init_boilerplate() __attribute__((noreturn));
+}
+
+#  if defined(QT_ARCH_I386)
+#define sysinit() (void)0
+#define syswrite(msg, len)                                              \
+    ({ int res;                                                         \
+        asm volatile ("movl  %%ebx, %%edi\n"                            \
+                      "movl  $1, %%ebx\n"                               \
+                      "int   $0x80\n"                                   \
+                      "movl  %%edi, %%ebx\n"                            \
+                      : "=a" (res) : "0" (SYS_write), "c" (msg), "d" (len) : "edi"); res; })
+#define sysexit(c)                              \
+    asm ("xor   %%ebx, %%ebx\n"                 \
+         "int   $0x80\n"                        \
+         : : "a" (SYS_exit)); _exit(c)
+
+#  elif defined(QT_ARCH_X86_64)
+#define sysinit() (void)0
+#define syswrite(msg, len)                                              \
+    ({ int res;                                                         \
+        asm volatile ("syscall\n"                                       \
+                      : "=a" (res) : "0" (SYS_write), "D" (1), "S" (msg), "d" (len) : "rcx"); res; })
+#define sysexit(c)                              \
+    asm ("syscall\n"                            \
+         : : "a" (SYS_exit), "D" (0)); _exit(c)
+
+#  elif defined(QT_ARCH_IA64)
+#define sysinit()                                               \
+    asm volatile ("{.mlx\n"                                     \
+                  "      nop.m  0\n"                            \
+                  "      movl   r2  = @pcrel(boilerplate);;"    \
+                  "}\n"                                         \
+                  "{.mii\n"                                     \
+                  "      mov   r10 = @ltoffx(boilerplate)\n"    \
+                  "      mov   r1  = ip\n"                      \
+                  "      adds  r2  = -16, r2\n;;\n"             \
+                  "}\n"                                         \
+                  "      add   r1  = r2, r1;;\n"                \
+                  "      sub   r1  = r1, r10;;\n"               \
+                  : : : "r2", "r10")
+#define syswrite(msg, len)                                              \
+    ({ const char *_msg = msg;                                          \
+        asm ("mov    out0=%1\n"                                         \
+             "mov    out1=%2\n"                                         \
+             "mov    out2=%3\n"                                         \
+             ";;\n"                                                     \
+             "mov    r15=%0\n"                                          \
+             "break  0x100000;;\n"                                      \
+             : : "I" (SYS_write), "I" (1), "r" (_msg), "r" (len)); })
+#define sysexit(c)                                                      \
+    asm ("mov    out0=%1\n"                                             \
+         ";;\n"                                                         \
+         "mov    r15=%0\n"                                              \
+         "break  0x100000;;\n"                                          \
+         : : "I" (SYS_exit), "O" (0)); write(1, 0, 0); _exit(c)
+# else
+#define sysinit() (void)0
+#define syswrite(msg, len) (msg); (len)
+#define sysexit(c)         __builtin_exit(c)
+#  endif
+
+#define sysputs(msg) syswrite(msg, -1 + sizeof(msg))
+#define sysendl()    syswrite("\n", 1)
+#define print_qt_configure(_which)              \
+    ({const char *which = _which;               \
+        which += 12;                            \
+        int len = 0;                            \
+        while (which[len]) ++len;               \
+        syswrite(which, len); })
+
+void qt_core_init_boilerplate()
+{
+    sysinit();
+    sysputs(boilerplate);
+    sysputs("\nInstallation prefix: ");
+    print_qt_configure(qt_configure_prefix_path_str);
+    sysputs("\nLibrary path:        ");
+    print_qt_configure(qt_configure_libraries_path_str);
+    sysputs("\nInclude path:        ");
+    print_qt_configure(qt_configure_headers_path_str);
+    sysendl();
+    sysexit(0);
+}
+
+#endif
diff --git a/src/corelib/global/qlibraryinfo.h b/src/corelib/global/qlibraryinfo.h
new file mode 100644
index 0000000000..466839f852
--- /dev/null
+++ b/src/corelib/global/qlibraryinfo.h
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLIBRARYINFO_H
+#define QLIBRARYINFO_H
+
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_SETTINGS
+
+class Q_CORE_EXPORT QLibraryInfo
+{
+public:
+    static QString licensee();
+    static QString licensedProducts();
+
+    static QString buildKey();
+
+    enum LibraryLocation
+    {
+        PrefixPath,
+        DocumentationPath,
+        HeadersPath,
+        LibrariesPath,
+        BinariesPath,
+        PluginsPath,
+        DataPath,
+        TranslationsPath,
+        SettingsPath,
+        DemosPath,
+        ExamplesPath
+    };
+    static QString location(LibraryLocation); // ### Qt 5: consider renaming it to path()
+
+private:
+    QLibraryInfo();
+};
+
+#endif /* QT_NO_SETTINGS */
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QLIBRARYINFO_H
diff --git a/src/corelib/global/qmalloc.cpp b/src/corelib/global/qmalloc.cpp
new file mode 100644
index 0000000000..76afac9481
--- /dev/null
+++ b/src/corelib/global/qmalloc.cpp
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include <stdlib.h>
+
+/*
+    Define the container allocation functions in a separate file, so that our
+    users can easily override them.
+*/
+
+QT_BEGIN_NAMESPACE
+
+void *qMalloc(size_t size)
+{
+    return ::malloc(size);
+}
+
+void qFree(void *ptr)
+{
+    ::free(ptr);
+}
+
+void *qRealloc(void *ptr, size_t size)
+{
+    return ::realloc(ptr, size);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
new file mode 100644
index 0000000000..fb7fa0cb67
--- /dev/null
+++ b/src/corelib/global/qnamespace.h
@@ -0,0 +1,1625 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QNAMESPACE_H
+#define QNAMESPACE_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef Q_MOC_RUN
+namespace
+#else
+class Q_CORE_EXPORT
+#endif
+Qt {
+
+#if defined(Q_MOC_RUN)
+    Q_OBJECT
+#endif
+
+#if (defined(Q_MOC_RUN) || defined(QT_JAMBI_RUN))
+    // NOTE: Generally, do not add Q_ENUMS if a corresponding Q_FLAGS exists.
+    Q_ENUMS(ScrollBarPolicy FocusPolicy ContextMenuPolicy)
+    Q_ENUMS(ArrowType ToolButtonStyle PenStyle PenCapStyle PenJoinStyle BrushStyle)
+    Q_ENUMS(FillRule MaskMode BGMode ClipOperation SizeMode)
+    Q_ENUMS(BackgroundMode) // Qt3
+    Q_ENUMS(Axis Corner LayoutDirection SizeHint Orientation)
+    Q_FLAGS(Alignment Orientations)
+    Q_FLAGS(DockWidgetAreas ToolBarAreas)
+    Q_ENUMS(DockWidgetArea ToolBarArea)
+    Q_ENUMS(TextFormat)
+    Q_ENUMS(TextElideMode)
+    Q_ENUMS(DateFormat TimeSpec DayOfWeek)
+    Q_ENUMS(CursorShape GlobalColor)
+    Q_ENUMS(AspectRatioMode TransformationMode)
+    Q_FLAGS(ImageConversionFlags)
+    Q_ENUMS(Key ShortcutContext)
+    Q_ENUMS(TextInteractionFlag)
+    Q_FLAGS(TextInteractionFlags)
+    Q_ENUMS(ItemSelectionMode)
+    Q_FLAGS(ItemFlags)
+    Q_ENUMS(CheckState)
+    Q_ENUMS(SortOrder CaseSensitivity)
+    Q_FLAGS(MatchFlags)
+    Q_FLAGS(KeyboardModifiers MouseButtons)
+    Q_ENUMS(WindowType WindowState WindowModality WidgetAttribute ApplicationAttribute)
+    Q_FLAGS(WindowFlags WindowStates)
+    Q_ENUMS(ConnectionType)
+#endif // (defined(Q_MOC_RUN) || defined(QT_JAMBI_RUN))
+
+#if defined(Q_MOC_RUN)
+public:
+#endif
+
+    enum GlobalColor {
+        color0,
+        color1,
+        black,
+        white,
+        darkGray,
+        gray,
+        lightGray,
+        red,
+        green,
+        blue,
+        cyan,
+        magenta,
+        yellow,
+        darkRed,
+        darkGreen,
+        darkBlue,
+        darkCyan,
+        darkMagenta,
+        darkYellow,
+        transparent
+    };
+
+    enum KeyboardModifier {
+        NoModifier           = 0x00000000,
+        ShiftModifier        = 0x02000000,
+        ControlModifier      = 0x04000000,
+        AltModifier          = 0x08000000,
+        MetaModifier         = 0x10000000,
+        KeypadModifier       = 0x20000000,
+        GroupSwitchModifier  = 0x40000000,
+        // Do not extend the mask to include 0x01000000
+        KeyboardModifierMask = 0xfe000000
+    };
+    Q_DECLARE_FLAGS(KeyboardModifiers, KeyboardModifier)
+
+    //shorter names for shortcuts
+    enum Modifier {
+        META          = Qt::MetaModifier,
+        SHIFT         = Qt::ShiftModifier,
+        CTRL          = Qt::ControlModifier,
+        ALT           = Qt::AltModifier,
+        MODIFIER_MASK = KeyboardModifierMask,
+        UNICODE_ACCEL = 0x00000000
+    };
+
+    enum MouseButton {
+        NoButton         = 0x00000000,
+        LeftButton       = 0x00000001,
+        RightButton      = 0x00000002,
+        MidButton        = 0x00000004,
+        XButton1         = 0x00000008,
+        XButton2         = 0x00000010,
+        MouseButtonMask  = 0x000000ff
+    };
+    Q_DECLARE_FLAGS(MouseButtons, MouseButton)
+
+#ifdef QT3_SUPPORT
+    enum ButtonState_enum {
+        ShiftButton     = Qt::ShiftModifier,
+        ControlButton   = Qt::ControlModifier,
+        AltButton       = Qt::AltModifier,
+        MetaButton      = Qt::MetaModifier,
+        Keypad          = Qt::KeypadModifier,
+        KeyButtonMask   = Qt::KeyboardModifierMask
+    };
+    typedef int ButtonState;
+#endif
+
+    enum Orientation {
+        Horizontal = 0x1,
+        Vertical = 0x2
+    };
+
+    Q_DECLARE_FLAGS(Orientations, Orientation)
+
+    enum FocusPolicy {
+        NoFocus = 0,
+        TabFocus = 0x1,
+        ClickFocus = 0x2,
+        StrongFocus = TabFocus | ClickFocus | 0x8,
+        WheelFocus = StrongFocus | 0x4
+    };
+
+    enum SortOrder {
+        AscendingOrder,
+        DescendingOrder
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        ,Ascending = AscendingOrder,
+        Descending = DescendingOrder
+#endif
+    };
+
+    // Text formatting flags for QPainter::drawText and QLabel.
+    // The following two enums can be combined to one integer which
+    // is passed as 'flags' to drawText and qt_format_text.
+
+    enum AlignmentFlag {
+        AlignLeft = 0x0001,
+        AlignLeading = AlignLeft,
+        AlignRight = 0x0002,
+        AlignTrailing = AlignRight,
+        AlignHCenter = 0x0004,
+        AlignJustify = 0x0008,
+        AlignAbsolute = 0x0010,
+        AlignHorizontal_Mask = AlignLeft | AlignRight | AlignHCenter | AlignJustify | AlignAbsolute,
+
+        AlignTop = 0x0020,
+        AlignBottom = 0x0040,
+        AlignVCenter = 0x0080,
+        AlignVertical_Mask = AlignTop | AlignBottom | AlignVCenter,
+
+        AlignCenter = AlignVCenter | AlignHCenter
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        , AlignAuto = AlignLeft
+#endif
+    };
+
+    Q_DECLARE_FLAGS(Alignment, AlignmentFlag)
+
+    enum TextFlag {
+        TextSingleLine = 0x0100,
+        TextDontClip = 0x0200,
+        TextExpandTabs = 0x0400,
+        TextShowMnemonic = 0x0800,
+        TextWordWrap = 0x1000,
+        TextWrapAnywhere = 0x2000,
+        TextDontPrint = 0x4000,
+        TextIncludeTrailingSpaces = 0x08000000,
+        TextHideMnemonic = 0x8000,
+        TextJustificationForced = 0x10000,
+        TextForceLeftToRight = 0x20000,
+        TextForceRightToLeft = 0x40000
+
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        ,SingleLine = TextSingleLine,
+        DontClip = TextDontClip,
+        ExpandTabs = TextExpandTabs,
+        ShowPrefix = TextShowMnemonic,
+        WordBreak = TextWordWrap,
+        BreakAnywhere = TextWrapAnywhere,
+        DontPrint = TextDontPrint,
+        IncludeTrailingSpaces = TextIncludeTrailingSpaces,
+        NoAccel = TextHideMnemonic
+#endif
+    };
+#ifdef QT3_SUPPORT
+    typedef TextFlag TextFlags;
+#endif
+
+    enum TextElideMode {
+        ElideLeft,
+        ElideRight,
+        ElideMiddle,
+        ElideNone
+    };
+
+    enum WindowType {
+        Widget = 0x00000000,
+        Window = 0x00000001,
+        Dialog = 0x00000002 | Window,
+        Sheet = 0x00000004 | Window,
+        Drawer = 0x00000006 | Window,
+        Popup = 0x00000008 | Window,
+        Tool = 0x0000000a | Window,
+        ToolTip = 0x0000000c | Window,
+        SplashScreen = 0x0000000e | Window,
+        Desktop = 0x00000010 | Window,
+        SubWindow =  0x00000012,
+
+        WindowType_Mask = 0x000000ff,
+        MSWindowsFixedSizeDialogHint = 0x00000100,
+        MSWindowsOwnDC = 0x00000200,
+        X11BypassWindowManagerHint = 0x00000400,
+        FramelessWindowHint = 0x00000800,
+        WindowTitleHint = 0x00001000,
+        WindowSystemMenuHint = 0x00002000,
+        WindowMinimizeButtonHint = 0x00004000,
+        WindowMaximizeButtonHint = 0x00008000,
+        WindowMinMaxButtonsHint = WindowMinimizeButtonHint | WindowMaximizeButtonHint,
+        WindowContextHelpButtonHint = 0x00010000,
+        WindowShadeButtonHint = 0x00020000,
+        WindowStaysOnTopHint = 0x00040000,
+        // reserved for Qt3Support:
+        // WMouseNoMask = 0x00080000,
+        WindowOkButtonHint = 0x00080000,
+        // WDestructiveClose = 0x00100000,
+        WindowCancelButtonHint = 0x00100000,
+        // WStaticContents = 0x00200000,
+        // WGroupLeader = 0x00400000,
+        // WShowModal = 0x00800000,
+        // WNoMousePropagation = 0x01000000,
+        CustomizeWindowHint = 0x02000000,
+        WindowStaysOnBottomHint = 0x04000000,
+        WindowCloseButtonHint = 0x08000000,
+        MacWindowToolBarButtonHint = 0x10000000,
+        BypassGraphicsProxyWidget = 0x20000000
+
+#ifdef QT3_SUPPORT
+        ,
+        WMouseNoMask = 0x00080000,
+        WDestructiveClose = 0x00100000,
+        WStaticContents = 0x00200000,
+        WGroupLeader = 0x00400000,
+        WShowModal = 0x00800000,
+        WNoMousePropagation = 0x01000000,
+
+        WType_TopLevel = Window,
+        WType_Dialog = Dialog,
+        WType_Popup = Popup,
+        WType_Desktop = Desktop,
+        WType_Mask = WindowType_Mask,
+
+        WStyle_Customize = 0,
+        WStyle_NormalBorder = 0,
+        WStyle_DialogBorder = MSWindowsFixedSizeDialogHint,
+        WStyle_NoBorder = FramelessWindowHint,
+        WStyle_Title = WindowTitleHint,
+        WStyle_SysMenu = WindowSystemMenuHint,
+        WStyle_Minimize = WindowMinimizeButtonHint,
+        WStyle_Maximize = WindowMaximizeButtonHint,
+        WStyle_MinMax = WStyle_Minimize | WStyle_Maximize,
+        WStyle_Tool = Tool,
+        WStyle_StaysOnTop = WindowStaysOnTopHint,
+        WStyle_ContextHelp = WindowContextHelpButtonHint,
+
+        // misc flags
+        WPaintDesktop = 0,
+        WPaintClever = 0,
+
+        WX11BypassWM            = X11BypassWindowManagerHint,
+        WWinOwnDC               = MSWindowsOwnDC,
+        WMacSheet               = Sheet,
+        WMacDrawer              = Drawer,
+
+        WStyle_Splash           = SplashScreen,
+
+        WNoAutoErase           = 0,
+        WRepaintNoErase        = 0,
+        WNorthWestGravity      = WStaticContents,
+        WType_Modal            = Dialog | WShowModal,
+        WStyle_Dialog          = Dialog,
+        WStyle_NoBorderEx      = FramelessWindowHint,
+        WResizeNoErase = 0,
+        WMacNoSheet = 0
+#endif
+
+    };
+
+    Q_DECLARE_FLAGS(WindowFlags, WindowType)
+
+    enum WindowState {
+        WindowNoState    = 0x00000000,
+        WindowMinimized  = 0x00000001,
+        WindowMaximized  = 0x00000002,
+        WindowFullScreen = 0x00000004,
+        WindowActive     = 0x00000008
+    };
+
+    Q_DECLARE_FLAGS(WindowStates, WindowState)
+
+    enum WidgetAttribute {
+        WA_Disabled = 0,
+        WA_UnderMouse = 1,
+        WA_MouseTracking = 2,
+        WA_ContentsPropagated = 3, // ## deprecated
+        WA_OpaquePaintEvent = 4,
+        WA_NoBackground = WA_OpaquePaintEvent, // ## deprecated
+        WA_StaticContents = 5,
+        WA_LaidOut = 7,
+        WA_PaintOnScreen = 8,
+        WA_NoSystemBackground = 9,
+        WA_UpdatesDisabled = 10,
+        WA_Mapped = 11,
+        WA_MacNoClickThrough = 12, // Mac only
+        WA_PaintOutsidePaintEvent = 13,
+        WA_InputMethodEnabled = 14,
+        WA_WState_Visible = 15,
+        WA_WState_Hidden = 16,
+
+        WA_ForceDisabled = 32,
+        WA_KeyCompression = 33,
+        WA_PendingMoveEvent = 34,
+        WA_PendingResizeEvent = 35,
+        WA_SetPalette = 36,
+        WA_SetFont = 37,
+        WA_SetCursor = 38,
+        WA_NoChildEventsFromChildren = 39,
+        WA_WindowModified = 41,
+        WA_Resized = 42,
+        WA_Moved = 43,
+        WA_PendingUpdate = 44,
+        WA_InvalidSize = 45,
+        WA_MacBrushedMetal = 46, // Mac only
+        WA_MacMetalStyle = WA_MacBrushedMetal, // obsolete
+        WA_CustomWhatsThis = 47,
+        WA_LayoutOnEntireRect = 48,
+        WA_OutsideWSRange = 49,
+        WA_GrabbedShortcut = 50,
+        WA_TransparentForMouseEvents = 51,
+        WA_PaintUnclipped = 52,
+        WA_SetWindowIcon = 53,
+        WA_NoMouseReplay = 54,
+        WA_DeleteOnClose = 55,
+        WA_RightToLeft = 56,
+        WA_SetLayoutDirection = 57,
+        WA_NoChildEventsForParent = 58,
+        WA_ForceUpdatesDisabled = 59,
+
+        WA_WState_Created = 60,
+        WA_WState_CompressKeys = 61,
+        WA_WState_InPaintEvent = 62,
+        WA_WState_Reparented = 63,
+        WA_WState_ConfigPending = 64,
+        WA_WState_Polished = 66,
+        WA_WState_DND = 67, // ## deprecated
+        WA_WState_OwnSizePolicy = 68,
+        WA_WState_ExplicitShowHide = 69,
+
+        WA_ShowModal = 70, // ## deprecated
+        WA_MouseNoMask = 71,
+        WA_GroupLeader = 72, // ## deprecated
+        WA_NoMousePropagation = 73, // ## for now, might go away.
+        WA_Hover = 74,
+        WA_InputMethodTransparent = 75, // Don't reset IM when user clicks on this (for virtual keyboards on embedded)
+        WA_QuitOnClose = 76,
+
+        WA_KeyboardFocusChange = 77,
+
+        WA_AcceptDrops = 78,
+        WA_DropSiteRegistered = 79, // internal
+        WA_ForceAcceptDrops = WA_DropSiteRegistered, // ## deprecated
+
+        WA_WindowPropagation = 80,
+
+        WA_NoX11EventCompression = 81,
+        WA_TintedBackground = 82,
+        WA_X11OpenGLOverlay = 83,
+        WA_AlwaysShowToolTips = 84,
+        WA_MacOpaqueSizeGrip = 85,
+        WA_SetStyle = 86,
+
+        WA_SetLocale = 87,
+        WA_MacShowFocusRect = 88,
+
+        WA_MacNormalSize = 89,  // Mac only
+        WA_MacSmallSize = 90,   // Mac only
+        WA_MacMiniSize = 91,    // Mac only
+
+        WA_LayoutUsesWidgetRect = 92,
+        WA_StyledBackground = 93, // internal
+        WA_MSWindowsUseDirect3D = 94, // Win only
+        WA_CanHostQMdiSubWindowTitleBar = 95, // Internal
+
+        WA_MacAlwaysShowToolWindow = 96, // Mac only
+
+        WA_StyleSheet = 97, // internal
+
+        WA_ShowWithoutActivating = 98,
+
+        WA_X11BypassTransientForHint = 99,
+
+        WA_NativeWindow = 100,
+        WA_DontCreateNativeAncestors = 101,
+
+        WA_MacVariableSize = 102,    // Mac only
+
+        WA_DontShowOnScreen = 103,
+
+        // window types from http://standards.freedesktop.org/wm-spec/
+        WA_X11NetWmWindowTypeDesktop = 104,
+        WA_X11NetWmWindowTypeDock = 105,
+        WA_X11NetWmWindowTypeToolBar = 106,
+        WA_X11NetWmWindowTypeMenu = 107,
+        WA_X11NetWmWindowTypeUtility = 108,
+        WA_X11NetWmWindowTypeSplash = 109,
+        WA_X11NetWmWindowTypeDialog = 110,
+        WA_X11NetWmWindowTypeDropDownMenu = 111,
+        WA_X11NetWmWindowTypePopupMenu = 112,
+        WA_X11NetWmWindowTypeToolTip = 113,
+        WA_X11NetWmWindowTypeNotification = 114,
+        WA_X11NetWmWindowTypeCombo = 115,
+        WA_X11NetWmWindowTypeDND = 116,
+
+        WA_MacFrameworkScaled  = 117,
+
+        WA_SetWindowModality = 118,
+        WA_WState_WindowOpacitySet = 119, // internal
+        WA_TranslucentBackground = 120,
+
+        // Add new attributes before this line
+        WA_AttributeCount
+    };
+
+    enum ApplicationAttribute
+    {
+        AA_ImmediateWidgetCreation = 0,
+        AA_MSWindowsUseDirect3DByDefault = 1, // Win only
+        AA_DontShowIconsInMenus = 2,
+        AA_NativeWindows = 3,
+        AA_DontCreateNativeWidgetSiblings = 4,
+        AA_MacPluginApplication = 5,
+
+        // Add new attributes before this line
+        AA_AttributeCount
+    };
+
+
+    // Image conversion flags.  The unusual ordering is caused by
+    // compatibility and default requirements.
+
+    enum ImageConversionFlag {
+        ColorMode_Mask          = 0x00000003,
+        AutoColor               = 0x00000000,
+        ColorOnly               = 0x00000003,
+        MonoOnly                = 0x00000002,
+        // Reserved             = 0x00000001,
+
+        AlphaDither_Mask        = 0x0000000c,
+        ThresholdAlphaDither    = 0x00000000,
+        OrderedAlphaDither      = 0x00000004,
+        DiffuseAlphaDither      = 0x00000008,
+        NoAlpha                 = 0x0000000c, // Not supported
+
+        Dither_Mask             = 0x00000030,
+        DiffuseDither           = 0x00000000,
+        OrderedDither           = 0x00000010,
+        ThresholdDither         = 0x00000020,
+        // ReservedDither       = 0x00000030,
+
+        DitherMode_Mask         = 0x000000c0,
+        AutoDither              = 0x00000000,
+        PreferDither            = 0x00000040,
+        AvoidDither             = 0x00000080,
+
+        NoOpaqueDetection       = 0x00000100
+    };
+    Q_DECLARE_FLAGS(ImageConversionFlags, ImageConversionFlag)
+
+    enum BGMode {
+        TransparentMode,
+        OpaqueMode
+    };
+
+#ifdef QT3_SUPPORT
+    enum PaintUnit {                                // paint unit
+        PixelUnit,
+        LoMetricUnit, // obsolete
+        HiMetricUnit, // obsolete
+        LoEnglishUnit, // obsolete
+        HiEnglishUnit, // obsolete
+        TwipsUnit // obsolete
+    };
+
+    enum GUIStyle {
+        MacStyle,
+        WindowsStyle,
+        Win3Style,
+        PMStyle,
+        MotifStyle
+    };
+#endif
+
+    enum Key {
+        Key_Escape = 0x01000000,                // misc keys
+        Key_Tab = 0x01000001,
+        Key_Backtab = 0x01000002,
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        Key_BackTab = Key_Backtab,
+#endif
+        Key_Backspace = 0x01000003,
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        Key_BackSpace = Key_Backspace,
+#endif
+        Key_Return = 0x01000004,
+        Key_Enter = 0x01000005,
+        Key_Insert = 0x01000006,
+        Key_Delete = 0x01000007,
+        Key_Pause = 0x01000008,
+        Key_Print = 0x01000009,
+        Key_SysReq = 0x0100000a,
+        Key_Clear = 0x0100000b,
+        Key_Home = 0x01000010,                // cursor movement
+        Key_End = 0x01000011,
+        Key_Left = 0x01000012,
+        Key_Up = 0x01000013,
+        Key_Right = 0x01000014,
+        Key_Down = 0x01000015,
+        Key_PageUp = 0x01000016,
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        Key_Prior = Key_PageUp,
+#endif
+        Key_PageDown = 0x01000017,
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        Key_Next = Key_PageDown,
+#endif
+        Key_Shift = 0x01000020,                // modifiers
+        Key_Control = 0x01000021,
+        Key_Meta = 0x01000022,
+        Key_Alt = 0x01000023,
+        Key_CapsLock = 0x01000024,
+        Key_NumLock = 0x01000025,
+        Key_ScrollLock = 0x01000026,
+        Key_F1 = 0x01000030,                // function keys
+        Key_F2 = 0x01000031,
+        Key_F3 = 0x01000032,
+        Key_F4 = 0x01000033,
+        Key_F5 = 0x01000034,
+        Key_F6 = 0x01000035,
+        Key_F7 = 0x01000036,
+        Key_F8 = 0x01000037,
+        Key_F9 = 0x01000038,
+        Key_F10 = 0x01000039,
+        Key_F11 = 0x0100003a,
+        Key_F12 = 0x0100003b,
+        Key_F13 = 0x0100003c,
+        Key_F14 = 0x0100003d,
+        Key_F15 = 0x0100003e,
+        Key_F16 = 0x0100003f,
+        Key_F17 = 0x01000040,
+        Key_F18 = 0x01000041,
+        Key_F19 = 0x01000042,
+        Key_F20 = 0x01000043,
+        Key_F21 = 0x01000044,
+        Key_F22 = 0x01000045,
+        Key_F23 = 0x01000046,
+        Key_F24 = 0x01000047,
+        Key_F25 = 0x01000048,                // F25 .. F35 only on X11
+        Key_F26 = 0x01000049,
+        Key_F27 = 0x0100004a,
+        Key_F28 = 0x0100004b,
+        Key_F29 = 0x0100004c,
+        Key_F30 = 0x0100004d,
+        Key_F31 = 0x0100004e,
+        Key_F32 = 0x0100004f,
+        Key_F33 = 0x01000050,
+        Key_F34 = 0x01000051,
+        Key_F35 = 0x01000052,
+        Key_Super_L = 0x01000053,                 // extra keys
+        Key_Super_R = 0x01000054,
+        Key_Menu = 0x01000055,
+        Key_Hyper_L = 0x01000056,
+        Key_Hyper_R = 0x01000057,
+        Key_Help = 0x01000058,
+        Key_Direction_L = 0x01000059,
+        Key_Direction_R = 0x01000060,
+        Key_Space = 0x20,                // 7 bit printable ASCII
+        Key_Any = Key_Space,
+        Key_Exclam = 0x21,
+        Key_QuoteDbl = 0x22,
+        Key_NumberSign = 0x23,
+        Key_Dollar = 0x24,
+        Key_Percent = 0x25,
+        Key_Ampersand = 0x26,
+        Key_Apostrophe = 0x27,
+        Key_ParenLeft = 0x28,
+        Key_ParenRight = 0x29,
+        Key_Asterisk = 0x2a,
+        Key_Plus = 0x2b,
+        Key_Comma = 0x2c,
+        Key_Minus = 0x2d,
+        Key_Period = 0x2e,
+        Key_Slash = 0x2f,
+        Key_0 = 0x30,
+        Key_1 = 0x31,
+        Key_2 = 0x32,
+        Key_3 = 0x33,
+        Key_4 = 0x34,
+        Key_5 = 0x35,
+        Key_6 = 0x36,
+        Key_7 = 0x37,
+        Key_8 = 0x38,
+        Key_9 = 0x39,
+        Key_Colon = 0x3a,
+        Key_Semicolon = 0x3b,
+        Key_Less = 0x3c,
+        Key_Equal = 0x3d,
+        Key_Greater = 0x3e,
+        Key_Question = 0x3f,
+        Key_At = 0x40,
+        Key_A = 0x41,
+        Key_B = 0x42,
+        Key_C = 0x43,
+        Key_D = 0x44,
+        Key_E = 0x45,
+        Key_F = 0x46,
+        Key_G = 0x47,
+        Key_H = 0x48,
+        Key_I = 0x49,
+        Key_J = 0x4a,
+        Key_K = 0x4b,
+        Key_L = 0x4c,
+        Key_M = 0x4d,
+        Key_N = 0x4e,
+        Key_O = 0x4f,
+        Key_P = 0x50,
+        Key_Q = 0x51,
+        Key_R = 0x52,
+        Key_S = 0x53,
+        Key_T = 0x54,
+        Key_U = 0x55,
+        Key_V = 0x56,
+        Key_W = 0x57,
+        Key_X = 0x58,
+        Key_Y = 0x59,
+        Key_Z = 0x5a,
+        Key_BracketLeft = 0x5b,
+        Key_Backslash = 0x5c,
+        Key_BracketRight = 0x5d,
+        Key_AsciiCircum = 0x5e,
+        Key_Underscore = 0x5f,
+        Key_QuoteLeft = 0x60,
+        Key_BraceLeft = 0x7b,
+        Key_Bar = 0x7c,
+        Key_BraceRight = 0x7d,
+        Key_AsciiTilde = 0x7e,
+
+        Key_nobreakspace = 0x0a0,
+        Key_exclamdown = 0x0a1,
+        Key_cent = 0x0a2,
+        Key_sterling = 0x0a3,
+        Key_currency = 0x0a4,
+        Key_yen = 0x0a5,
+        Key_brokenbar = 0x0a6,
+        Key_section = 0x0a7,
+        Key_diaeresis = 0x0a8,
+        Key_copyright = 0x0a9,
+        Key_ordfeminine = 0x0aa,
+        Key_guillemotleft = 0x0ab,        // left angle quotation mark
+        Key_notsign = 0x0ac,
+        Key_hyphen = 0x0ad,
+        Key_registered = 0x0ae,
+        Key_macron = 0x0af,
+        Key_degree = 0x0b0,
+        Key_plusminus = 0x0b1,
+        Key_twosuperior = 0x0b2,
+        Key_threesuperior = 0x0b3,
+        Key_acute = 0x0b4,
+        Key_mu = 0x0b5,
+        Key_paragraph = 0x0b6,
+        Key_periodcentered = 0x0b7,
+        Key_cedilla = 0x0b8,
+        Key_onesuperior = 0x0b9,
+        Key_masculine = 0x0ba,
+        Key_guillemotright = 0x0bb,        // right angle quotation mark
+        Key_onequarter = 0x0bc,
+        Key_onehalf = 0x0bd,
+        Key_threequarters = 0x0be,
+        Key_questiondown = 0x0bf,
+        Key_Agrave = 0x0c0,
+        Key_Aacute = 0x0c1,
+        Key_Acircumflex = 0x0c2,
+        Key_Atilde = 0x0c3,
+        Key_Adiaeresis = 0x0c4,
+        Key_Aring = 0x0c5,
+        Key_AE = 0x0c6,
+        Key_Ccedilla = 0x0c7,
+        Key_Egrave = 0x0c8,
+        Key_Eacute = 0x0c9,
+        Key_Ecircumflex = 0x0ca,
+        Key_Ediaeresis = 0x0cb,
+        Key_Igrave = 0x0cc,
+        Key_Iacute = 0x0cd,
+        Key_Icircumflex = 0x0ce,
+        Key_Idiaeresis = 0x0cf,
+        Key_ETH = 0x0d0,
+        Key_Ntilde = 0x0d1,
+        Key_Ograve = 0x0d2,
+        Key_Oacute = 0x0d3,
+        Key_Ocircumflex = 0x0d4,
+        Key_Otilde = 0x0d5,
+        Key_Odiaeresis = 0x0d6,
+        Key_multiply = 0x0d7,
+        Key_Ooblique = 0x0d8,
+        Key_Ugrave = 0x0d9,
+        Key_Uacute = 0x0da,
+        Key_Ucircumflex = 0x0db,
+        Key_Udiaeresis = 0x0dc,
+        Key_Yacute = 0x0dd,
+        Key_THORN = 0x0de,
+        Key_ssharp = 0x0df,
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        Key_agrave = Key_Agrave,
+        Key_aacute = Key_Aacute,
+        Key_acircumflex = Key_Acircumflex,
+        Key_atilde = Key_Atilde,
+        Key_adiaeresis = Key_Adiaeresis,
+        Key_aring = Key_Aring,
+        Key_ae = Key_AE,
+        Key_ccedilla = Key_Ccedilla,
+        Key_egrave = Key_Egrave,
+        Key_eacute = Key_Eacute,
+        Key_ecircumflex = Key_Ecircumflex,
+        Key_ediaeresis = Key_Ediaeresis,
+        Key_igrave = Key_Igrave,
+        Key_iacute = Key_Iacute,
+        Key_icircumflex = Key_Icircumflex,
+        Key_idiaeresis = Key_Idiaeresis,
+        Key_eth = Key_ETH,
+        Key_ntilde = Key_Ntilde,
+        Key_ograve = Key_Ograve,
+        Key_oacute = Key_Oacute,
+        Key_ocircumflex = Key_Ocircumflex,
+        Key_otilde = Key_Otilde,
+        Key_odiaeresis = Key_Odiaeresis,
+#endif
+        Key_division = 0x0f7,
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        Key_oslash = Key_Ooblique,
+        Key_ugrave = Key_Ugrave,
+        Key_uacute = Key_Uacute,
+        Key_ucircumflex = Key_Ucircumflex,
+        Key_udiaeresis = Key_Udiaeresis,
+        Key_yacute = Key_Yacute,
+        Key_thorn = Key_THORN,
+#endif
+        Key_ydiaeresis = 0x0ff,
+
+        // International input method support (X keycode - 0xEE00, the
+        // definition follows Qt/Embedded 2.3.7) Only interesting if
+        // you are writing your own input method
+
+        // International & multi-key character composition
+        Key_AltGr               = 0x01001103,
+        Key_Multi_key           = 0x01001120,  // Multi-key character compose
+        Key_Codeinput           = 0x01001137,
+        Key_SingleCandidate     = 0x0100113c,
+        Key_MultipleCandidate   = 0x0100113d,
+        Key_PreviousCandidate   = 0x0100113e,
+
+        // Misc Functions
+        Key_Mode_switch         = 0x0100117e,  // Character set switch
+        //Key_script_switch       = 0x0100117e,  // Alias for mode_switch
+
+        // Japanese keyboard support
+        Key_Kanji               = 0x01001121,  // Kanji, Kanji convert
+        Key_Muhenkan            = 0x01001122,  // Cancel Conversion
+        //Key_Henkan_Mode         = 0x01001123,  // Start/Stop Conversion
+        Key_Henkan              = 0x01001123,  // Alias for Henkan_Mode
+        Key_Romaji              = 0x01001124,  // to Romaji
+        Key_Hiragana            = 0x01001125,  // to Hiragana
+        Key_Katakana            = 0x01001126,  // to Katakana
+        Key_Hiragana_Katakana   = 0x01001127,  // Hiragana/Katakana toggle
+        Key_Zenkaku             = 0x01001128,  // to Zenkaku
+        Key_Hankaku             = 0x01001129,  // to Hankaku
+        Key_Zenkaku_Hankaku     = 0x0100112a,  // Zenkaku/Hankaku toggle
+        Key_Touroku             = 0x0100112b,  // Add to Dictionary
+        Key_Massyo              = 0x0100112c,  // Delete from Dictionary
+        Key_Kana_Lock           = 0x0100112d,  // Kana Lock
+        Key_Kana_Shift          = 0x0100112e,  // Kana Shift
+        Key_Eisu_Shift          = 0x0100112f,  // Alphanumeric Shift
+        Key_Eisu_toggle         = 0x01001130,  // Alphanumeric toggle
+        //Key_Kanji_Bangou        = 0x01001137,  // Codeinput
+        //Key_Zen_Koho            = 0x0100113d,  // Multiple/All Candidate(s)
+        //Key_Mae_Koho            = 0x0100113e,  // Previous Candidate
+
+        // Korean keyboard support
+        //
+        // In fact, many Korean users need only 2 keys, Key_Hangul and
+        // Key_Hangul_Hanja. But rest of the keys are good for future.
+
+        Key_Hangul              = 0x01001131,  // Hangul start/stop(toggle)
+        Key_Hangul_Start        = 0x01001132,  // Hangul start
+        Key_Hangul_End          = 0x01001133,  // Hangul end, English start
+        Key_Hangul_Hanja        = 0x01001134,  // Start Hangul->Hanja Conversion
+        Key_Hangul_Jamo         = 0x01001135,  // Hangul Jamo mode
+        Key_Hangul_Romaja       = 0x01001136,  // Hangul Romaja mode
+        //Key_Hangul_Codeinput    = 0x01001137,  // Hangul code input mode
+        Key_Hangul_Jeonja       = 0x01001138,  // Jeonja mode
+        Key_Hangul_Banja        = 0x01001139,  // Banja mode
+        Key_Hangul_PreHanja     = 0x0100113a,  // Pre Hanja conversion
+        Key_Hangul_PostHanja    = 0x0100113b,  // Post Hanja conversion
+        //Key_Hangul_SingleCandidate   = 0x0100113c,  // Single candidate
+        //Key_Hangul_MultipleCandidate = 0x0100113d,  // Multiple candidate
+        //Key_Hangul_PreviousCandidate = 0x0100113e,  // Previous candidate
+        Key_Hangul_Special      = 0x0100113f,  // Special symbols
+        //Key_Hangul_switch       = 0x0100117e,  // Alias for mode_switch
+
+        // dead keys (X keycode - 0xED00 to avoid the conflict)
+        Key_Dead_Grave          = 0x01001250,
+        Key_Dead_Acute          = 0x01001251,
+        Key_Dead_Circumflex     = 0x01001252,
+        Key_Dead_Tilde          = 0x01001253,
+        Key_Dead_Macron         = 0x01001254,
+        Key_Dead_Breve          = 0x01001255,
+        Key_Dead_Abovedot       = 0x01001256,
+        Key_Dead_Diaeresis      = 0x01001257,
+        Key_Dead_Abovering      = 0x01001258,
+        Key_Dead_Doubleacute    = 0x01001259,
+        Key_Dead_Caron          = 0x0100125a,
+        Key_Dead_Cedilla        = 0x0100125b,
+        Key_Dead_Ogonek         = 0x0100125c,
+        Key_Dead_Iota           = 0x0100125d,
+        Key_Dead_Voiced_Sound   = 0x0100125e,
+        Key_Dead_Semivoiced_Sound = 0x0100125f,
+        Key_Dead_Belowdot       = 0x01001260,
+        Key_Dead_Hook           = 0x01001261,
+        Key_Dead_Horn           = 0x01001262,
+
+        // multimedia/internet keys - ignored by default - see QKeyEvent c'tor
+
+        Key_Back  = 0x01000061,
+        Key_Forward  = 0x01000062,
+        Key_Stop  = 0x01000063,
+        Key_Refresh  = 0x01000064,
+
+        Key_VolumeDown = 0x01000070,
+        Key_VolumeMute  = 0x01000071,
+        Key_VolumeUp = 0x01000072,
+        Key_BassBoost = 0x01000073,
+        Key_BassUp = 0x01000074,
+        Key_BassDown = 0x01000075,
+        Key_TrebleUp = 0x01000076,
+        Key_TrebleDown = 0x01000077,
+
+        Key_MediaPlay  = 0x01000080,
+        Key_MediaStop  = 0x01000081,
+        Key_MediaPrevious  = 0x01000082,
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        Key_MediaPrev  = Key_MediaPrevious,
+#endif
+        Key_MediaNext  = 0x01000083,
+        Key_MediaRecord = 0x01000084,
+
+        Key_HomePage  = 0x01000090,
+        Key_Favorites  = 0x01000091,
+        Key_Search  = 0x01000092,
+        Key_Standby = 0x01000093,
+        Key_OpenUrl = 0x01000094,
+
+        Key_LaunchMail  = 0x010000a0,
+        Key_LaunchMedia = 0x010000a1,
+        Key_Launch0  = 0x010000a2,
+        Key_Launch1  = 0x010000a3,
+        Key_Launch2  = 0x010000a4,
+        Key_Launch3  = 0x010000a5,
+        Key_Launch4  = 0x010000a6,
+        Key_Launch5  = 0x010000a7,
+        Key_Launch6  = 0x010000a8,
+        Key_Launch7  = 0x010000a9,
+        Key_Launch8  = 0x010000aa,
+        Key_Launch9  = 0x010000ab,
+        Key_LaunchA  = 0x010000ac,
+        Key_LaunchB  = 0x010000ad,
+        Key_LaunchC  = 0x010000ae,
+        Key_LaunchD  = 0x010000af,
+        Key_LaunchE  = 0x010000b0,
+        Key_LaunchF  = 0x010000b1,
+
+        Key_MediaLast = 0x0100ffff,
+
+        // Keypad navigation keys
+        Key_Select = 0x01010000,
+        Key_Yes = 0x01010001,
+        Key_No = 0x01010002,
+
+        // Newer misc keys
+        Key_Cancel  = 0x01020001,
+        Key_Printer = 0x01020002,
+        Key_Execute = 0x01020003,
+        Key_Sleep   = 0x01020004,
+        Key_Play    = 0x01020005, // Not the same as Key_MediaPlay
+        Key_Zoom    = 0x01020006,
+        //Key_Jisho   = 0x01020007, // IME: Dictionary key
+        //Key_Oyayubi_Left = 0x01020008, // IME: Left Oyayubi key
+        //Key_Oyayubi_Right = 0x01020009, // IME: Right Oyayubi key
+
+        // Device keys
+        Key_Context1 = 0x01100000,
+        Key_Context2 = 0x01100001,
+        Key_Context3 = 0x01100002,
+        Key_Context4 = 0x01100003,
+        Key_Call = 0x01100004,
+        Key_Hangup = 0x01100005,
+        Key_Flip = 0x01100006,
+
+        Key_unknown = 0x01ffffff
+    };
+
+    enum ArrowType {
+        NoArrow,
+        UpArrow,
+        DownArrow,
+        LeftArrow,
+        RightArrow
+    };
+
+    enum PenStyle { // pen style
+        NoPen,
+        SolidLine,
+        DashLine,
+        DotLine,
+        DashDotLine,
+        DashDotDotLine,
+        CustomDashLine
+#ifndef Q_MOC_RUN
+        , MPenStyle = 0x0f
+#endif
+    };
+
+    enum PenCapStyle { // line endcap style
+        FlatCap = 0x00,
+        SquareCap = 0x10,
+        RoundCap = 0x20,
+        MPenCapStyle = 0x30
+    };
+
+    enum PenJoinStyle { // line join style
+        MiterJoin = 0x00,
+        BevelJoin = 0x40,
+        RoundJoin = 0x80,
+        SvgMiterJoin = 0x100,
+        MPenJoinStyle = 0x1c0
+    };
+
+    enum BrushStyle { // brush style
+        NoBrush,
+        SolidPattern,
+        Dense1Pattern,
+        Dense2Pattern,
+        Dense3Pattern,
+        Dense4Pattern,
+        Dense5Pattern,
+        Dense6Pattern,
+        Dense7Pattern,
+        HorPattern,
+        VerPattern,
+        CrossPattern,
+        BDiagPattern,
+        FDiagPattern,
+        DiagCrossPattern,
+        LinearGradientPattern,
+        RadialGradientPattern,
+        ConicalGradientPattern,
+        TexturePattern = 24
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        , CustomPattern = TexturePattern
+#endif
+    };
+
+    enum SizeMode {
+        AbsoluteSize,
+        RelativeSize
+    };
+
+#if defined(QT3_SUPPORT)
+#if defined(Q_OS_MAC)
+#ifndef qdoc
+    typedef int MacintoshVersion;
+
+    enum
+#else
+    enum MacintoshVersion
+#endif
+    {
+        //Unknown
+        MV_Unknown  = 0x0000,
+
+        //Version numbers
+        MV_9        = QSysInfo::MV_9,
+        MV_10_DOT_0 = QSysInfo::MV_10_0,
+        MV_10_DOT_1 = QSysInfo::MV_10_1,
+        MV_10_DOT_2 = QSysInfo::MV_10_2,
+        MV_10_DOT_3 = QSysInfo::MV_10_3,
+        MV_10_DOT_4 = QSysInfo::MV_10_4,
+
+        //Code names
+        MV_CHEETAH = QSysInfo::MV_CHEETAH,
+        MV_PUMA = QSysInfo::MV_PUMA,
+        MV_JAGUAR = QSysInfo::MV_JAGUAR,
+        MV_PANTHER = QSysInfo::MV_PANTHER,
+        MV_TIGER = QSysInfo::MV_TIGER
+    };
+#endif // Q_OS_MAC
+
+#if defined(Q_OS_WIN) || defined(Q_OS_CYGWIN)
+#ifndef qdoc
+    typedef int WindowsVersion;
+
+    enum
+#else
+    enum WindowsVersion
+#endif
+    {
+        WV_32s = QSysInfo::WV_32s,
+        WV_95 = QSysInfo::WV_95,
+        WV_98 = QSysInfo::WV_98,
+        WV_Me = QSysInfo::WV_Me,
+        WV_DOS_based= QSysInfo::WV_DOS_based,
+
+        WV_NT = QSysInfo::WV_NT,
+        WV_2000 = QSysInfo::WV_2000,
+        WV_XP = QSysInfo::WV_XP,
+        WV_2003 = QSysInfo::WV_2003,
+        WV_NT_based = QSysInfo::WV_NT_based,
+
+        WV_CE = QSysInfo::WV_CE,
+        WV_CENET = QSysInfo::WV_CENET,
+        WV_CE_5 = QSysInfo::WV_CE_5,
+        WV_CE_6 = QSysInfo::WV_CE_6,
+        WV_CE_based = QSysInfo::WV_CE_based
+    };
+#endif // Q_OS_WIN
+#endif // QT3_SUPPORT
+
+    enum UIEffect {
+        UI_General,
+        UI_AnimateMenu,
+        UI_FadeMenu,
+        UI_AnimateCombo,
+        UI_AnimateTooltip,
+        UI_FadeTooltip,
+        UI_AnimateToolBox
+    };
+
+    enum CursorShape {
+        ArrowCursor,
+        UpArrowCursor,
+        CrossCursor,
+        WaitCursor,
+        IBeamCursor,
+        SizeVerCursor,
+        SizeHorCursor,
+        SizeBDiagCursor,
+        SizeFDiagCursor,
+        SizeAllCursor,
+        BlankCursor,
+        SplitVCursor,
+        SplitHCursor,
+        PointingHandCursor,
+        ForbiddenCursor,
+        WhatsThisCursor,
+        BusyCursor,
+        OpenHandCursor,
+        ClosedHandCursor,
+        LastCursor = ClosedHandCursor,
+        BitmapCursor = 24,
+        CustomCursor = 25
+
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        ,
+        arrowCursor = ArrowCursor,
+        upArrowCursor = UpArrowCursor,
+        crossCursor = CrossCursor,
+        waitCursor = WaitCursor,
+        ibeamCursor = IBeamCursor,
+        sizeVerCursor = SizeVerCursor,
+        sizeHorCursor = SizeHorCursor,
+        sizeBDiagCursor = SizeBDiagCursor,
+        sizeFDiagCursor = SizeFDiagCursor,
+        sizeAllCursor = SizeAllCursor,
+        blankCursor = BlankCursor,
+        splitVCursor = SplitVCursor,
+        splitHCursor = SplitHCursor,
+        pointingHandCursor = PointingHandCursor,
+        forbiddenCursor = ForbiddenCursor,
+        whatsThisCursor = WhatsThisCursor
+#endif
+    };
+
+    enum TextFormat {
+        PlainText,
+        RichText,
+        AutoText,
+        LogText
+    };
+
+    enum AspectRatioMode {
+        IgnoreAspectRatio,
+        KeepAspectRatio,
+        KeepAspectRatioByExpanding
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        , ScaleFree = IgnoreAspectRatio,
+        ScaleMin = KeepAspectRatio,
+        ScaleMax = KeepAspectRatioByExpanding
+#endif
+    };
+#ifdef QT3_SUPPORT
+    typedef AspectRatioMode ScaleMode;
+#endif
+
+    // This is for Q3TextEdit only, actually.
+    enum AnchorAttribute {
+        AnchorName,
+        AnchorHref
+    };
+
+    enum DockWidgetArea {
+        LeftDockWidgetArea = 0x1,
+        RightDockWidgetArea = 0x2,
+        TopDockWidgetArea = 0x4,
+        BottomDockWidgetArea = 0x8,
+
+        DockWidgetArea_Mask = 0xf,
+        AllDockWidgetAreas = DockWidgetArea_Mask,
+        NoDockWidgetArea = 0
+    };
+    enum DockWidgetAreaSizes {
+        NDockWidgetAreas = 4
+    };
+
+    Q_DECLARE_FLAGS(DockWidgetAreas, DockWidgetArea)
+
+    enum ToolBarArea {
+        LeftToolBarArea = 0x1,
+        RightToolBarArea = 0x2,
+        TopToolBarArea = 0x4,
+        BottomToolBarArea = 0x8,
+
+        ToolBarArea_Mask = 0xf,
+        AllToolBarAreas = ToolBarArea_Mask,
+        NoToolBarArea = 0
+    };
+
+    enum ToolBarAreaSizes {
+        NToolBarAreas = 4
+    };
+
+    Q_DECLARE_FLAGS(ToolBarAreas, ToolBarArea)
+
+#ifdef QT3_SUPPORT
+    enum Dock {
+        DockUnmanaged,
+        DockTornOff,
+        DockTop,
+        DockBottom,
+        DockRight,
+        DockLeft,
+        DockMinimized
+        ,
+        Unmanaged = DockUnmanaged,
+        TornOff = DockTornOff,
+        Top = DockTop,
+        Bottom = DockBottom,
+        Right = DockRight,
+        Left = DockLeft,
+        Minimized = DockMinimized
+    };
+    // compatibility
+    typedef Dock ToolBarDock;
+#endif
+
+    enum DateFormat {
+        TextDate,      // default Qt
+        ISODate,       // ISO 8601
+        SystemLocaleDate, // deprecated
+        LocalDate = SystemLocaleDate, // deprecated
+        LocaleDate,     // deprecated
+        SystemLocaleShortDate,
+        SystemLocaleLongDate,
+        DefaultLocaleShortDate,
+        DefaultLocaleLongDate
+    };
+
+    enum TimeSpec {
+        LocalTime,
+        UTC,
+        OffsetFromUTC
+    };
+
+    enum DayOfWeek {
+        Monday = 1,
+        Tuesday = 2,
+        Wednesday = 3,
+        Thursday = 4,
+        Friday = 5,
+        Saturday = 6,
+        Sunday = 7
+    };
+
+    enum ScrollBarPolicy {
+        ScrollBarAsNeeded,
+        ScrollBarAlwaysOff,
+        ScrollBarAlwaysOn
+    };
+
+#ifdef QT3_SUPPORT
+    enum BackgroundMode {
+        FixedColor,
+        FixedPixmap,
+        NoBackground,
+        PaletteForeground,
+        PaletteButton,
+        PaletteLight,
+        PaletteMidlight,
+        PaletteDark,
+        PaletteMid,
+        PaletteText,
+        PaletteBrightText,
+        PaletteBase,
+        PaletteBackground,
+        PaletteShadow,
+        PaletteHighlight,
+        PaletteHighlightedText,
+        PaletteButtonText,
+        PaletteLink,
+        PaletteLinkVisited,
+        X11ParentRelative
+    };
+#endif
+
+    enum CaseSensitivity {
+        CaseInsensitive,
+        CaseSensitive
+    };
+
+    enum Corner {
+        TopLeftCorner = 0x00000,
+        TopRightCorner = 0x00001,
+        BottomLeftCorner = 0x00002,
+        BottomRightCorner = 0x00003
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        ,TopLeft = TopLeftCorner,
+        TopRight = TopRightCorner,
+        BottomLeft = BottomLeftCorner,
+        BottomRight = BottomRightCorner
+#endif
+    };
+
+    enum ConnectionType {
+        AutoConnection,
+        DirectConnection,
+        QueuedConnection,
+        AutoCompatConnection,
+        BlockingQueuedConnection
+    };
+
+    enum ShortcutContext {
+        WidgetShortcut,
+        WindowShortcut,
+        ApplicationShortcut,
+        WidgetWithChildrenShortcut
+    };
+
+    enum FillRule {
+        OddEvenFill,
+        WindingFill
+    };
+
+    enum MaskMode {
+        MaskInColor,
+        MaskOutColor
+    };
+
+    enum ClipOperation {
+        NoClip,
+        ReplaceClip,
+        IntersectClip,
+        UniteClip
+    };
+
+    // Shape = 0x1, BoundingRect = 0x2
+    enum ItemSelectionMode {
+        ContainsItemShape = 0x0,
+        IntersectsItemShape = 0x1,
+        ContainsItemBoundingRect = 0x2,
+        IntersectsItemBoundingRect = 0x3
+    };
+
+    enum TransformationMode {
+        FastTransformation,
+        SmoothTransformation
+    };
+
+    enum Axis {
+        XAxis,
+        YAxis,
+        ZAxis
+    };
+
+    enum FocusReason {
+        MouseFocusReason,
+        TabFocusReason,
+        BacktabFocusReason,
+        ActiveWindowFocusReason,
+        PopupFocusReason,
+        ShortcutFocusReason,
+        MenuBarFocusReason,
+        OtherFocusReason,
+        NoFocusReason
+    };
+
+    enum ContextMenuPolicy {
+        NoContextMenu,
+        DefaultContextMenu,
+        ActionsContextMenu,
+        CustomContextMenu,
+        PreventContextMenu
+    };
+
+    enum InputMethodQuery {
+        ImMicroFocus,
+        ImFont,
+        ImCursorPosition,
+        ImSurroundingText,
+        ImCurrentSelection
+    };
+
+    enum ToolButtonStyle {
+        ToolButtonIconOnly,
+        ToolButtonTextOnly,
+        ToolButtonTextBesideIcon,
+        ToolButtonTextUnderIcon
+    };
+
+    enum LayoutDirection {
+        LeftToRight,
+        RightToLeft
+    };
+
+    enum DropAction {
+        CopyAction = 0x1,
+        MoveAction = 0x2,
+        LinkAction = 0x4,
+        ActionMask = 0xff,
+        TargetMoveAction = 0x8002,
+        IgnoreAction = 0x0
+    };
+    Q_DECLARE_FLAGS(DropActions, DropAction)
+
+    enum CheckState {
+        Unchecked,
+        PartiallyChecked,
+        Checked
+    };
+
+    enum ItemDataRole {
+        DisplayRole = 0,
+        DecorationRole = 1,
+        EditRole = 2,
+        ToolTipRole = 3,
+        StatusTipRole = 4,
+        WhatsThisRole = 5,
+        // Metadata
+        FontRole = 6,
+        TextAlignmentRole = 7,
+        BackgroundColorRole = 8,
+        BackgroundRole = 8,
+        TextColorRole = 9,
+        ForegroundRole = 9,
+        CheckStateRole = 10,
+        // Accessibility
+        AccessibleTextRole = 11,
+        AccessibleDescriptionRole = 12,
+        // More general purpose
+        SizeHintRole = 13,
+        // Internal UiLib roles. Start worrying when public roles go that high.
+        DisplayPropertyRole = 27,
+        DecorationPropertyRole = 28,
+        ToolTipPropertyRole = 29,
+        StatusTipPropertyRole = 30,
+        WhatsThisPropertyRole = 31,
+        // Reserved
+        UserRole = 32
+    };
+
+    enum ItemFlag {
+        NoItemFlags = 0,
+        ItemIsSelectable = 1,
+        ItemIsEditable = 2,
+        ItemIsDragEnabled = 4,
+        ItemIsDropEnabled = 8,
+        ItemIsUserCheckable = 16,
+        ItemIsEnabled = 32,
+        ItemIsTristate = 64
+    };
+    Q_DECLARE_FLAGS(ItemFlags, ItemFlag)
+
+    enum MatchFlag {
+        MatchExactly = 0,
+        MatchContains = 1,
+        MatchStartsWith = 2,
+        MatchEndsWith = 3,
+        MatchRegExp = 4,
+        MatchWildcard = 5,
+        MatchFixedString = 8,
+        MatchCaseSensitive = 16,
+        MatchWrap = 32,
+        MatchRecursive = 64
+    };
+    Q_DECLARE_FLAGS(MatchFlags, MatchFlag)
+
+#if defined(Q_WS_MAC)
+    typedef void * HANDLE;
+#elif defined(Q_WS_WIN)
+    typedef void *HANDLE;
+#elif defined(Q_WS_X11)
+    typedef unsigned long HANDLE;
+#elif defined(Q_WS_QWS)
+    typedef void * HANDLE;
+#endif
+    typedef WindowFlags WFlags;
+
+    enum WindowModality {
+        NonModal,
+        WindowModal,
+        ApplicationModal
+    };
+
+    enum TextInteractionFlag {
+        NoTextInteraction         = 0,
+        TextSelectableByMouse     = 1,
+        TextSelectableByKeyboard  = 2,
+        LinksAccessibleByMouse    = 4,
+        LinksAccessibleByKeyboard = 8,
+        TextEditable              = 16,
+
+        TextEditorInteraction     = TextSelectableByMouse | TextSelectableByKeyboard | TextEditable,
+        TextBrowserInteraction    = TextSelectableByMouse | LinksAccessibleByMouse | LinksAccessibleByKeyboard
+    };
+    Q_DECLARE_FLAGS(TextInteractionFlags, TextInteractionFlag)
+
+    enum EventPriority {
+        HighEventPriority = 1,
+        NormalEventPriority = 0,
+        LowEventPriority = -1
+    };
+
+    enum SizeHint {
+        MinimumSize,
+        PreferredSize,
+        MaximumSize,
+        MinimumDescent,
+        NSizeHints
+    };
+
+    enum WindowFrameSection {
+        NoSection,
+        LeftSection,           // For resize
+        TopLeftSection,
+        TopSection,
+        TopRightSection,
+        RightSection,
+        BottomRightSection,
+        BottomSection,
+        BottomLeftSection,
+        TitleBarArea    // For move
+    };
+}
+#ifdef Q_MOC_RUN
+ ;
+#endif
+
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::MouseButtons)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::Orientations)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::KeyboardModifiers)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::WindowFlags)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::Alignment)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::ImageConversionFlags)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::DockWidgetAreas)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::ToolBarAreas)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::WindowStates)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::DropActions)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::ItemFlags)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::MatchFlags)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::TextInteractionFlags)
+
+typedef bool (*qInternalCallback)(void **);
+
+class Q_CORE_EXPORT QInternal {
+public:
+    enum PaintDeviceFlags {
+        UnknownDevice = 0x00,
+        Widget        = 0x01,
+        Pixmap        = 0x02,
+        Image         = 0x03,
+        Printer       = 0x04,
+        Picture       = 0x05,
+        Pbuffer       = 0x06,    // GL pbuffer
+        FramebufferObject = 0x07, // GL framebuffer object
+        CustomRaster  = 0x08,
+        MacQuartz     = 0x09
+    };
+    enum RelayoutType {
+        RelayoutNormal,
+        RelayoutDragging,
+        RelayoutDropped
+    };
+
+
+    enum Callback {
+        ConnectCallback,
+        DisconnectCallback,
+        AdoptCurrentThread,
+        EventNotifyCallback,
+        LastCallback
+    };
+
+    enum InternalFunction {
+        CreateThreadForAdoption,
+        RefAdoptedThread,
+        DerefAdoptedThread,
+        SetCurrentThreadToMainThread,
+        SetQObjectSender,
+        GetQObjectSender,
+        ResetQObjectSender,
+        LastInternalFunction
+    };
+
+    enum DockPosition {
+        LeftDock,
+        RightDock,
+        TopDock,
+        BottomDock,
+        DockCount
+    };
+
+    static bool registerCallback(Callback, qInternalCallback);
+    static bool unregisterCallback(Callback, qInternalCallback);
+
+    static bool activateCallbacks(Callback, void **);
+    static bool callFunction(InternalFunction func, void **);
+};
+
+#ifdef QT3_SUPPORT
+typedef qint32 QCOORD;                                // coordinate type
+enum {
+    QCOORD_MAX =  2147483647,
+    QCOORD_MIN = -QCOORD_MAX - 1
+};
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QNAMESPACE_H
diff --git a/src/corelib/global/qnumeric.cpp b/src/corelib/global/qnumeric.cpp
new file mode 100644
index 0000000000..a989d92228
--- /dev/null
+++ b/src/corelib/global/qnumeric.cpp
@@ -0,0 +1,58 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qnumeric.h"
+#include "qnumeric_p.h"
+
+QT_BEGIN_NAMESPACE
+
+Q_CORE_EXPORT bool qIsInf(double d) { return qt_is_inf(d); }
+Q_CORE_EXPORT bool qIsNaN(double d) { return qt_is_nan(d); }
+Q_CORE_EXPORT bool qIsFinite(double d) { return qt_is_finite(d); }
+Q_CORE_EXPORT bool qIsInf(float f) { return qt_is_inf(f); }
+Q_CORE_EXPORT bool qIsNaN(float f) { return qt_is_nan(f); }
+Q_CORE_EXPORT bool qIsFinite(float f) { return qt_is_finite(f); }
+Q_CORE_EXPORT double qSNaN() { return qt_snan(); }
+Q_CORE_EXPORT double qQNaN() { return qt_qnan(); }
+Q_CORE_EXPORT double qInf() { return qt_inf(); }
+
+
+QT_END_NAMESPACE
diff --git a/src/corelib/global/qnumeric.h b/src/corelib/global/qnumeric.h
new file mode 100644
index 0000000000..6e3bf27d78
--- /dev/null
+++ b/src/corelib/global/qnumeric.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QNUMERIC_H
+#define QNUMERIC_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+Q_CORE_EXPORT bool qIsInf(double d);
+Q_CORE_EXPORT bool qIsNaN(double d);
+Q_CORE_EXPORT bool qIsFinite(double d);
+Q_CORE_EXPORT bool qIsInf(float f);
+Q_CORE_EXPORT bool qIsNaN(float f);
+Q_CORE_EXPORT bool qIsFinite(float f);
+Q_CORE_EXPORT double qSNaN();
+Q_CORE_EXPORT double qQNaN();
+Q_CORE_EXPORT double qInf();
+
+#define Q_INFINITY (QT_PREPEND_NAMESPACE(qInf)())
+#define Q_SNAN (QT_PREPEND_NAMESPACE(qSNaN)())
+#define Q_QNAN (QT_PREPEND_NAMESPACE(qQNaN)())
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QNUMERIC_H
diff --git a/src/corelib/global/qnumeric_p.h b/src/corelib/global/qnumeric_p.h
new file mode 100644
index 0000000000..664831d097
--- /dev/null
+++ b/src/corelib/global/qnumeric_p.h
@@ -0,0 +1,243 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QNUMERIC_P_H
+#define QNUMERIC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qglobal.h"
+
+QT_BEGIN_NAMESPACE
+
+#if !defined(Q_CC_MIPS)
+
+static const union { unsigned char c[8]; double d; } qt_be_inf_bytes = { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
+static const union { unsigned char c[8]; double d; } qt_le_inf_bytes = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } };
+static const union { unsigned char c[8]; double d; } qt_armfpa_inf_bytes = { { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } };
+static inline double qt_inf()
+{
+#ifdef QT_ARMFPA
+    return qt_armfpa_inf_bytes.d;
+#else
+    return (QSysInfo::ByteOrder == QSysInfo::BigEndian
+            ? qt_be_inf_bytes.d
+            : qt_le_inf_bytes.d);
+#endif
+}
+
+// Signaling NAN
+static const union { unsigned char c[8]; double d; } qt_be_snan_bytes = { { 0x7f, 0xf8, 0, 0, 0, 0, 0, 0 } };
+static const union { unsigned char c[8]; double d; } qt_le_snan_bytes = { { 0, 0, 0, 0, 0, 0, 0xf8, 0x7f } };
+static const union { unsigned char c[8]; double d; } qt_armfpa_snan_bytes = { { 0, 0, 0xf8, 0x7f, 0, 0, 0, 0 } };
+static inline double qt_snan()
+{
+#ifdef QT_ARMFPA
+    return qt_armfpa_snan_bytes.d;
+#else
+    return (QSysInfo::ByteOrder == QSysInfo::BigEndian
+            ? qt_be_snan_bytes.d
+            : qt_le_snan_bytes.d);
+#endif
+}
+
+// Quiet NAN
+static const union { unsigned char c[8]; double d; } qt_be_qnan_bytes = { { 0xff, 0xf8, 0, 0, 0, 0, 0, 0 } };
+static const union { unsigned char c[8]; double d; } qt_le_qnan_bytes = { { 0, 0, 0, 0, 0, 0, 0xf8, 0xff } };
+static const union { unsigned char c[8]; double d; } qt_armfpa_qnan_bytes = { { 0, 0, 0xf8, 0xff, 0, 0, 0, 0 } };
+static inline double qt_qnan()
+{
+#ifdef QT_ARMFPA
+    return qt_armfpa_qnan_bytes.d;
+#else
+    return (QSysInfo::ByteOrder == QSysInfo::BigEndian
+            ? qt_be_qnan_bytes.d
+            : qt_le_qnan_bytes.d);
+#endif
+}
+
+#else // Q_CC_MIPS
+
+static const unsigned char qt_be_inf_bytes[] = { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 };
+static const unsigned char qt_le_inf_bytes[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f };
+static const unsigned char qt_armfpa_inf_bytes[] = { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 };
+static inline double qt_inf()
+{
+    const unsigned char *bytes;
+#ifdef QT_ARMFPA
+    bytes = qt_armfpa_inf_bytes;
+#else
+    bytes = (QSysInfo::ByteOrder == QSysInfo::BigEndian
+             ? qt_be_inf_bytes
+             : qt_le_inf_bytes);
+#endif
+
+    union { unsigned char c[8]; double d; } returnValue;
+    qMemCopy(returnValue.c, bytes, sizeof(returnValue.c));
+    return returnValue.d;
+}
+
+// Signaling NAN
+static const unsigned char qt_be_snan_bytes[] = { 0x7f, 0xf8, 0, 0, 0, 0, 0, 0 };
+static const unsigned char qt_le_snan_bytes[] = { 0, 0, 0, 0, 0, 0, 0xf8, 0x7f };
+static const unsigned char qt_armfpa_snan_bytes[] = { 0, 0, 0xf8, 0x7f, 0, 0, 0, 0 };
+static inline double qt_snan()
+{
+    const unsigned char *bytes;
+#ifdef QT_ARMFPA
+    bytes = qt_armfpa_snan_bytes;
+#else
+    bytes = (QSysInfo::ByteOrder == QSysInfo::BigEndian
+             ? qt_be_snan_bytes
+             : qt_le_snan_bytes);
+#endif
+
+    union { unsigned char c[8]; double d; } returnValue;
+    qMemCopy(returnValue.c, bytes, sizeof(returnValue.c));
+    return returnValue.d;
+}
+
+// Quiet NAN
+static const unsigned char qt_be_qnan_bytes[] = { 0xff, 0xf8, 0, 0, 0, 0, 0, 0 };
+static const unsigned char qt_le_qnan_bytes[] = { 0, 0, 0, 0, 0, 0, 0xf8, 0xff };
+static const unsigned char qt_armfpa_qnan_bytes[] = { 0, 0, 0xf8, 0xff, 0, 0, 0, 0 };
+static inline double qt_qnan()
+{
+    const unsigned char *bytes;
+#ifdef QT_ARMFPA
+    bytes = qt_armfpa_qnan_bytes;
+#else
+    bytes = (QSysInfo::ByteOrder == QSysInfo::BigEndian
+             ? qt_be_qnan_bytes
+             : qt_le_qnan_bytes);
+#endif
+
+    union { unsigned char c[8]; double d; } returnValue;
+    qMemCopy(returnValue.c, bytes, sizeof(returnValue.c));
+    return returnValue.d;
+}
+
+#endif // Q_CC_MIPS
+
+static inline bool qt_is_inf(double d)
+{
+    uchar *ch = (uchar *)&d;
+#ifdef QT_ARMFPA
+    return (ch[3] & 0x7f) == 0x7f && ch[2] == 0xf0;
+#else
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return (ch[0] & 0x7f) == 0x7f && ch[1] == 0xf0;
+    } else {
+        return (ch[7] & 0x7f) == 0x7f && ch[6] == 0xf0;
+    }
+#endif
+}
+
+static inline bool qt_is_nan(double d)
+{
+    uchar *ch = (uchar *)&d;
+#ifdef QT_ARMFPA
+    return (ch[3] & 0x7f) == 0x7f && ch[2] > 0xf0;
+#else
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return (ch[0] & 0x7f) == 0x7f && ch[1] > 0xf0;
+    } else {
+        return (ch[7] & 0x7f) == 0x7f && ch[6] > 0xf0;
+    }
+#endif
+}
+
+static inline bool qt_is_finite(double d)
+{
+    uchar *ch = (uchar *)&d;
+#ifdef QT_ARMFPA
+    return (ch[3] & 0x7f) != 0x7f || (ch[2] & 0xf0) != 0xf0;
+#else
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return (ch[0] & 0x7f) != 0x7f || (ch[1] & 0xf0) != 0xf0;
+    } else {
+        return (ch[7] & 0x7f) != 0x7f || (ch[6] & 0xf0) != 0xf0;
+    }
+#endif
+}
+
+static inline bool qt_is_inf(float d)
+{
+    uchar *ch = (uchar *)&d;
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return (ch[0] & 0x7f) == 0x7f && ch[1] == 0x80;
+    } else {
+        return (ch[3] & 0x7f) == 0x7f && ch[2] == 0x80;
+    }
+}
+
+static inline bool qt_is_nan(float d)
+{
+    uchar *ch = (uchar *)&d;
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return (ch[0] & 0x7f) == 0x7f && ch[1] > 0x80;
+    } else {
+        return (ch[3] & 0x7f) == 0x7f && ch[2] > 0x80;
+    }
+}
+
+static inline bool qt_is_finite(float d)
+{
+    uchar *ch = (uchar *)&d;
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return (ch[0] & 0x7f) != 0x7f || (ch[1] & 0x80) != 0x80;
+    } else {
+        return (ch[3] & 0x7f) != 0x7f || (ch[2] & 0x80) != 0x80;
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // QNUMERIC_P_H
diff --git a/src/corelib/global/qt_pch.h b/src/corelib/global/qt_pch.h
new file mode 100644
index 0000000000..7558e6acc2
--- /dev/null
+++ b/src/corelib/global/qt_pch.h
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+ * This is a precompiled header file for use in Xcode / Mac GCC /
+ * GCC >= 3.4 / VC to greatly speed the building of Qt. It may also be
+ * of use to people developing their own project, but it is probably
+ * better to define your own header.  Use of this header is currently
+ * UNSUPPORTED.
+ */
+
+
+#if defined __cplusplus
+#include <qglobal.h>
+#ifdef Q_WS_WIN
+# define _POSIX_
+# include <limits.h>
+# undef _POSIX_
+#endif
+#include <qcoreapplication.h>
+#include <qlist.h>
+#include <qvariant.h>  /* All moc genereated code has this include */
+#include <qobject.h>
+#include <qregexp.h>
+#include <qstring.h>
+#include <qstringlist.h>
+#include <qtextcodec.h>
+#include <stdlib.h>
+#endif
diff --git a/src/corelib/global/qt_windows.h b/src/corelib/global/qt_windows.h
new file mode 100644
index 0000000000..2ce4059be7
--- /dev/null
+++ b/src/corelib/global/qt_windows.h
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT_WINDOWS_H
+#define QT_WINDOWS_H
+
+#if defined(Q_CC_BOR)
+// Borland's windows.h does not set these correctly, resulting in
+// unusable WinSDK standard dialogs
+#ifndef WINVER
+#define WINVER 0x400
+#endif
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x400
+#endif
+#endif
+
+#include <windows.h>
+
+#ifdef _WIN32_WCE
+#include <ceconfig.h>
+#endif
+
+// already defined when compiled with WINVER >= 0x0500
+// and we only use them in Qt::WV_2000 and Qt::WV_98
+#ifndef SPI_SETMENUANIMATION
+#define SPI_SETMENUANIMATION 0x1003
+#endif
+#ifndef SPI_SETMENUFADE
+#define SPI_SETMENUFADE 0x1013
+#endif
+#ifndef SPI_SETCOMBOBOXANIMATION
+#define SPI_SETCOMBOBOXANIMATION 0x1005
+#endif
+#ifndef SPI_SETTOOLTIPANIMATION
+#define SPI_SETTOOLTIPANIMATION 0x1017
+#endif
+#ifndef SPI_SETTOOLTIPFADE
+#define SPI_SETTOOLTIPFADE 0x1019
+#endif
+#ifndef SPI_SETUIEFFECTS
+#define SPI_SETUIEFFECTS 0x103F
+#endif
+#ifndef SPI_GETMENUANIMATION
+#define SPI_GETMENUANIMATION 0x1002
+#endif
+#ifndef SPI_GETMENUFADE
+#define SPI_GETMENUFADE 0x1012
+#endif
+#ifndef SPI_GETCOMBOBOXANIMATION
+#define SPI_GETCOMBOBOXANIMATION 0x1004
+#endif
+#ifndef SPI_GETTOOLTIPANIMATION
+#define SPI_GETTOOLTIPANIMATION 0x1016
+#endif
+#ifndef SPI_GETTOOLTIPFADE
+#define SPI_GETTOOLTIPFADE 0x1018
+#endif
+#ifndef SPI_GETUIEFFECTS
+#define SPI_GETUIEFFECTS 0x103E
+#endif
+#ifndef SPI_GETKEYBOARDCUES
+#define SPI_GETKEYBOARDCUES 0x100A
+#endif
+#ifndef IDC_HAND
+#define IDC_HAND MAKEINTRESOURCE(32649)
+#endif
+#ifndef WM_MOUSEWHEEL
+#define WM_MOUSEWHEEL 0x020A
+#endif
+#ifndef ETO_PDY
+#define ETO_PDY 0x2000
+#endif
+
+#endif // QT_WINDOWS_H
diff --git a/src/corelib/io/io.pri b/src/corelib/io/io.pri
new file mode 100644
index 0000000000..3690d4bbf5
--- /dev/null
+++ b/src/corelib/io/io.pri
@@ -0,0 +1,82 @@
+# Qt core io module
+
+HEADERS +=  \
+        io/qabstractfileengine.h \
+        io/qabstractfileengine_p.h \
+        io/qbuffer.h \
+        io/qdatastream.h \
+        io/qdebug.h \
+        io/qdir.h \
+        io/qdiriterator.h \
+        io/qfile.h \
+        io/qfileinfo.h \
+        io/qfileinfo_p.h \
+        io/qiodevice.h \
+        io/qiodevice_p.h \
+        io/qprocess.h \
+        io/qprocess_p.h \
+        io/qtextstream.h \
+        io/qtemporaryfile.h \
+        io/qresource_p.h \
+        io/qresource_iterator_p.h \
+        io/qurl.h \
+        io/qsettings.h \
+        io/qsettings_p.h \
+        io/qfsfileengine.h \
+        io/qfsfileengine_p.h \
+        io/qfsfileengine_iterator_p.h \
+        io/qfilesystemwatcher.h \
+        io/qfilesystemwatcher_p.h
+
+SOURCES += \
+        io/qabstractfileengine.cpp \
+        io/qbuffer.cpp \
+        io/qdatastream.cpp \
+        io/qdebug.cpp \
+        io/qdir.cpp \
+        io/qdiriterator.cpp \
+        io/qfile.cpp \
+        io/qfileinfo.cpp \
+        io/qiodevice.cpp \
+        io/qprocess.cpp \
+        io/qtextstream.cpp \
+        io/qtemporaryfile.cpp \
+        io/qresource.cpp \
+        io/qresource_iterator.cpp \
+        io/qurl.cpp \
+        io/qsettings.cpp \
+        io/qfsfileengine.cpp \
+        io/qfsfileengine_iterator.cpp \
+        io/qfilesystemwatcher.cpp
+
+win32 {
+        SOURCES += io/qsettings_win.cpp
+        SOURCES += io/qprocess_win.cpp
+        SOURCES += io/qfsfileengine_win.cpp
+
+        SOURCES += io/qfsfileengine_iterator_win.cpp
+        SOURCES += io/qfilesystemwatcher_win.cpp
+        HEADERS += io/qfilesystemwatcher_win_p.h
+        HEADERS += io/qwindowspipewriter_p.h
+        SOURCES += io/qwindowspipewriter.cpp
+} else:unix {
+        SOURCES += io/qfsfileengine_unix.cpp
+        SOURCES += io/qfsfileengine_iterator_unix.cpp
+        SOURCES += io/qprocess_unix.cpp
+        mac:SOURCES += io/qsettings_mac.cpp
+
+        linux-*:{
+            SOURCES += \
+                    io/qfilesystemwatcher_inotify.cpp \
+                    io/qfilesystemwatcher_dnotify.cpp
+
+            HEADERS += \
+                    io/qfilesystemwatcher_inotify_p.h \
+                    io/qfilesystemwatcher_dnotify_p.h
+        }
+
+        freebsd-*|macx-*|darwin-*|openbsd-*:{
+            SOURCES += io/qfilesystemwatcher_kqueue.cpp
+            HEADERS += io/qfilesystemwatcher_kqueue_p.h
+        }
+}
diff --git a/src/corelib/io/qabstractfileengine.cpp b/src/corelib/io/qabstractfileengine.cpp
new file mode 100644
index 0000000000..bedc121320
--- /dev/null
+++ b/src/corelib/io/qabstractfileengine.cpp
@@ -0,0 +1,1219 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qabstractfileengine.h"
+#include "private/qabstractfileengine_p.h"
+#include "qdatetime.h"
+#include "qmutex.h"
+#include "qvariant.h"
+// built-in handlers
+#include "qfsfileengine.h"
+#include "qdiriterator.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QAbstractFileEngineHandler
+    \reentrant
+
+    \brief The QAbstractFileEngineHandler class provides a way to register
+    custom file engines with your application.
+
+    \ingroup io
+    \since 4.1
+
+    QAbstractFileEngineHandler is a factory for creating QAbstractFileEngine
+    objects (file engines), which are used internally by QFile, QFileInfo, and
+    QDir when working with files and directories.
+
+    When you open a file, Qt chooses a suitable file engine by passing the
+    file name from QFile or QDir through an internal list of registered file
+    engine handlers. The first handler to recognize the file name is used to
+    create the engine. Qt provides internal file engines for working with
+    regular files and resources, but you can also register your own
+    QAbstractFileEngine subclasses.
+
+    To install an application-specific file engine, you subclass
+    QAbstractFileEngineHandler and reimplement create(). When you instantiate
+    the handler (e.g. by creating an instance on the stack or on the heap), it
+    will automatically register with Qt. (The latest registered handler takes
+    precedence over existing handlers.)
+
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qabstractfileengine.cpp 0
+
+    When the handler is destroyed, it is automatically removed from Qt.
+
+    The most common approach to registering a handler is to create an instance
+    as part of the start-up phase of your application. It is also possible to
+    limit the scope of the file engine handler to a particular area of
+    interest (e.g. a special file dialog that needs a custom file engine). By
+    creating the handler inside a local scope, you can precisely control the
+    area in which your engine will be applied without disturbing file
+    operations in other parts of your application.
+
+    \sa QAbstractFileEngine, QAbstractFileEngine::create()
+*/
+
+/*
+    All application-wide handlers are stored in this list. The mutex must be
+    acquired to ensure thread safety.
+ */
+Q_GLOBAL_STATIC_WITH_ARGS(QMutex, fileEngineHandlerMutex, (QMutex::Recursive))
+static bool qt_abstractfileenginehandlerlist_shutDown = false;
+class QAbstractFileEngineHandlerList : public QList<QAbstractFileEngineHandler *>
+{
+public:
+    ~QAbstractFileEngineHandlerList()
+    {
+        QMutexLocker locker(fileEngineHandlerMutex());
+        qt_abstractfileenginehandlerlist_shutDown = true;
+    }
+};
+Q_GLOBAL_STATIC(QAbstractFileEngineHandlerList, fileEngineHandlers)
+
+/*!
+    Constructs a file handler and registers it with Qt. Once created this
+    handler's create() function will be called (along with all the other
+    handlers) for any paths used. The most recently created handler that
+    recognizes the given path (i.e. that returns a QAbstractFileEngine) is
+    used for the new path.
+
+    \sa create()
+ */
+QAbstractFileEngineHandler::QAbstractFileEngineHandler()
+{
+    QMutexLocker locker(fileEngineHandlerMutex());
+    fileEngineHandlers()->prepend(this);
+}
+
+/*!
+    Destroys the file handler. This will automatically unregister the handler
+    from Qt.
+ */
+QAbstractFileEngineHandler::~QAbstractFileEngineHandler()
+{
+    QMutexLocker locker(fileEngineHandlerMutex());
+    // Remove this handler from the handler list only if the list is valid.
+    if (!qt_abstractfileenginehandlerlist_shutDown)
+        fileEngineHandlers()->removeAll(this);
+}
+
+/*!
+    \fn QAbstractFileEngine *QAbstractFileEngineHandler::create(const QString &fileName) const
+
+    Creates a file engine for file \a fileName. Returns 0 if this
+    file handler cannot handle \a fileName.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qabstractfileengine.cpp 1
+
+    \sa QAbstractFileEngine::create()
+*/
+
+/*!
+    Creates and returns a QAbstractFileEngine suitable for processing \a
+    fileName.
+
+    You should not need to call this function; use QFile, QFileInfo or
+    QDir directly instead.
+
+    If you reimplemnt this function, it should only return file
+    engines that knows how to handle \a fileName; otherwise, it should
+    return 0.
+
+    \sa QAbstractFileEngineHandler
+*/
+QAbstractFileEngine *QAbstractFileEngine::create(const QString &fileName)
+{
+    QMutexLocker locker(fileEngineHandlerMutex());
+
+    // check for registered handlers that can load the file
+    for (int i = 0; i < fileEngineHandlers()->size(); i++) {
+        if (QAbstractFileEngine *ret = fileEngineHandlers()->at(i)->create(fileName))
+            return ret;
+    }
+
+#ifdef QT_BUILD_CORE_LIB
+    if (!fileName.startsWith(QLatin1Char('/'))) {
+        int prefixSeparator = fileName.indexOf(QLatin1Char(':'));
+        if (prefixSeparator > 1) {
+            QString prefix = fileName.left(prefixSeparator);
+            QString fileNameWithoutPrefix = fileName.mid(prefixSeparator + 1).prepend(QLatin1Char('/'));
+            const QStringList &paths = QDir::searchPaths(prefix);
+            for (int i = 0; i < paths.count(); i++) {
+                QString path = paths.at(i);
+                path.append(fileNameWithoutPrefix);
+                QAbstractFileEngine *engine = create(path);
+                if (engine && (engine->fileFlags(QAbstractFileEngine::FlagsMask) & QAbstractFileEngine::ExistsFlag)) {
+                    return engine;
+                }
+                delete engine;
+            }
+        }
+    }
+#endif
+
+#ifdef QT_NO_FSFILEENGINE
+    return 0;
+#else
+    // fall back to regular file engine
+    return new QFSFileEngine(fileName);
+#endif
+}
+
+/*!
+    \class QAbstractFileEngine
+    \reentrant
+
+    \brief The QAbstractFileEngine class provides an abstraction for accessing
+    the filesystem.
+
+    \ingroup io
+    \since 4.1
+
+    The QDir, QFile, and QFileInfo classes all make use of a
+    QAbstractFileEngine internally. If you create your own QAbstractFileEngine
+    subclass (and register it with Qt by creating a QAbstractFileEngineHandler
+    subclass), your file engine will be used when the path is one that your
+    file engine handles.
+
+    A QAbstractFileEngine refers to one file or one directory. If the referent
+    is a file, the setFileName(), rename(), and remove() functions are
+    applicable. If the referent is a directory the mkdir(), rmdir(), and
+    entryList() functions are applicable. In all cases the caseSensitive(),
+    isRelativePath(), fileFlags(), ownerId(), owner(), and fileTime()
+    functions are applicable.
+
+    A QAbstractFileEngine subclass can be created to do synchronous network I/O
+    based file system operations, local file system operations, or to operate
+    as a resource system to access file based resources.
+
+   \sa QAbstractFileEngineHandler
+*/
+
+/*!
+    \enum QAbstractFileEngine::FileName
+
+    These values are used to request a file name in a particular
+    format.
+
+    \value DefaultName The same filename that was passed to the
+    QAbstractFileEngine.
+    \value BaseName The name of the file excluding the path.
+    \value PathName The path to the file excluding the base name.
+    \value AbsoluteName The absolute path to the file (including
+    the base name).
+    \value AbsolutePathName The absolute path to the file (excluding
+    the base name).
+    \value LinkName The full file name of the file that this file is a
+    link to. (This will be empty if this file is not a link.)
+    \value CanonicalName Often very similar to LinkName. Will return the true path to the file.
+    \value CanonicalPathName Same as CanonicalName, excluding the base name.
+    \value BundleName Returns the name of the bundle implies BundleType is set.
+
+    \sa fileName(), setFileName()
+*/
+
+/*!
+    \enum QAbstractFileEngine::FileFlag
+
+    The permissions and types of a file, suitable for OR'ing together.
+
+    \value ReadOwnerPerm The owner of the file has permission to read
+    it.
+    \value WriteOwnerPerm The owner of the file has permission to
+    write to it.
+    \value ExeOwnerPerm The owner of the file has permission to
+    execute it.
+    \value ReadUserPerm The current user has permission to read the
+    file.
+    \value WriteUserPerm The current user has permission to write to
+    the file.
+    \value ExeUserPerm The current user has permission to execute the
+    file.
+    \value ReadGroupPerm Members of the current user's group have
+    permission to read the file.
+    \value WriteGroupPerm Members of the current user's group have
+    permission to write to the file.
+    \value ExeGroupPerm Members of the current user's group have
+    permission to execute the file.
+    \value ReadOtherPerm All users have permission to read the file.
+    \value WriteOtherPerm All users have permission to write to the
+    file.
+    \value ExeOtherPerm All users have permission to execute the file.
+
+    \value LinkType The file is a link to another file (or link) in
+    the file system (i.e. not a file or directory).
+    \value FileType The file is a regular file to the file system
+    (i.e. not a link or directory)
+    \value BundleType The file is a Mac OS X bundle implies DirectoryType
+    \value DirectoryType The file is a directory in the file system
+    (i.e. not a link or file).
+
+    \value HiddenFlag The file is hidden.
+    \value ExistsFlag The file actually exists in the file system.
+    \value RootFlag  The file or the file pointed to is the root of the filesystem.
+    \value LocalDiskFlag The file resides on the local disk and can be passed to standard file functions.
+    \value Refresh Passing this flag will force the file engine to refresh all flags.
+
+    \omitvalue PermsMask
+    \omitvalue TypesMask
+    \omitvalue FlagsMask
+    \omitvalue FileInfoAll
+
+    \sa fileFlags(), setFileName()
+*/
+
+/*!
+    \enum QAbstractFileEngine::FileTime
+
+    These are used by the fileTime() function.
+
+    \value CreationTime When the file was created.
+    \value ModificationTime When the file was most recently modified.
+    \value AccessTime When the file was most recently accessed (e.g.
+    read or written to).
+
+    \sa setFileName()
+*/
+
+/*!
+    \enum QAbstractFileEngine::FileOwner
+
+    \value OwnerUser The user who owns the file.
+    \value OwnerGroup The group who owns the file.
+
+    \sa owner(), ownerId(), setFileName()
+*/
+
+/*!
+   Constructs a new QAbstractFileEngine that does not refer to any file or directory.
+
+   \sa setFileName()
+ */
+QAbstractFileEngine::QAbstractFileEngine() : d_ptr(new QAbstractFileEnginePrivate)
+{
+    d_ptr->q_ptr = this;
+}
+
+/*!
+   \internal
+
+   Constructs a QAbstractFileEngine.
+ */
+QAbstractFileEngine::QAbstractFileEngine(QAbstractFileEnginePrivate &dd) : d_ptr(&dd)
+{
+    d_ptr->q_ptr = this;
+}
+
+/*!
+    Destroys the QAbstractFileEngine.
+ */
+QAbstractFileEngine::~QAbstractFileEngine()
+{
+    delete d_ptr;
+    d_ptr = 0;
+}
+
+/*!
+    \fn bool QAbstractFileEngine::open(QIODevice::OpenMode mode)
+
+    Opens the file in the specified \a mode. Returns true if the file
+    was successfully opened; otherwise returns false.
+
+    The \a mode is an OR combination of QIODevice::OpenMode and
+    QIODevice::HandlingMode values.
+*/
+bool QAbstractFileEngine::open(QIODevice::OpenMode openMode)
+{
+    Q_UNUSED(openMode);
+    return false;
+}
+
+/*!
+    Closes the file, returning true if successful; otherwise returns false.
+
+    The default implementation always returns false.
+*/
+bool QAbstractFileEngine::close()
+{
+    return false;
+}
+
+/*!
+    Flushes the open file, returning true if successful; otherwise returns
+    false.
+
+    The default implementation always returns false.
+*/
+bool QAbstractFileEngine::flush()
+{
+    return false;
+}
+
+/*!
+    Returns the size of the file.
+*/
+qint64 QAbstractFileEngine::size() const
+{
+    return 0;
+}
+
+/*!
+    Returns the current file position.
+
+    This is the position of the data read/write head of the file.
+*/
+qint64 QAbstractFileEngine::pos() const
+{
+    return 0;
+}
+
+/*!
+    \fn bool QAbstractFileEngine::seek(qint64 offset)
+
+    Sets the file position to the given \a offset. Returns true if
+    the position was successfully set; otherwise returns false.
+
+    The offset is from the beginning of the file, unless the
+    file is sequential.
+
+    \sa isSequential()
+*/
+bool QAbstractFileEngine::seek(qint64 pos)
+{
+    Q_UNUSED(pos);
+    return false;
+}
+
+/*!
+    Returns true if the file is a sequential access device; returns
+    false if the file is a direct access device.
+
+    Operations involving size() and seek(int) are not valid on
+    sequential devices.
+*/
+bool QAbstractFileEngine::isSequential() const
+{
+    return false;
+}
+
+/*!
+    Requests that the file is deleted from the file system. If the
+    operation succeeds return true; otherwise return false.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName() rmdir()
+ */
+bool QAbstractFileEngine::remove()
+{
+    return false;
+}
+
+/*!
+    Copies the contents of this file to a file with the name \a newName.
+    Returns true on success; otherwise, false is returned.
+*/
+bool QAbstractFileEngine::copy(const QString &newName)
+{
+    Q_UNUSED(newName);
+    return false;
+}
+
+/*!
+    Requests that the file be renamed to \a newName in the file
+    system. If the operation succeeds return true; otherwise return
+    false.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName()
+ */
+bool QAbstractFileEngine::rename(const QString &newName)
+{
+    Q_UNUSED(newName);
+    return false;
+}
+
+/*!
+    Creates a link from the file currently specified by fileName() to
+    \a newName. What a link is depends on the underlying filesystem
+    (be it a shortcut on Windows or a symbolic link on Unix). Returns
+    true if successful; otherwise returns false.
+*/
+bool QAbstractFileEngine::link(const QString &newName)
+{
+    Q_UNUSED(newName);
+    return false;
+}
+
+/*!
+    Requests that the directory \a dirName be created. If
+    \a createParentDirectories is true, then any sub-directories in \a dirName
+    that don't exist must be created. If \a createParentDirectories is false then
+    any sub-directories in \a dirName must already exist for the function to
+    succeed. If the operation succeeds return true; otherwise return
+    false.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName() rmdir() isRelativePath()
+ */
+bool QAbstractFileEngine::mkdir(const QString &dirName, bool createParentDirectories) const
+{
+    Q_UNUSED(dirName);
+    Q_UNUSED(createParentDirectories);
+    return false;
+}
+
+/*!
+    Requests that the directory \a dirName is deleted from the file
+    system. When \a recurseParentDirectories is true, then any empty
+    parent-directories in \a dirName must also be deleted. If
+    \a recurseParentDirectories is false, only the \a dirName leaf-node
+    should be deleted. In most file systems a directory cannot be deleted
+    using this function if it is non-empty. If the operation succeeds
+    return true; otherwise return false.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName() remove() mkdir() isRelativePath()
+ */
+bool QAbstractFileEngine::rmdir(const QString &dirName, bool recurseParentDirectories) const
+{
+    Q_UNUSED(dirName);
+    Q_UNUSED(recurseParentDirectories);
+    return false;
+}
+
+/*!
+    Requests that the file be set to size \a size. If \a size is larger
+    than the current file then it is filled with 0's, if smaller it is
+    simply truncated. If the operations succceeds return true; otherwise
+    return false;
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa size()
+*/
+bool QAbstractFileEngine::setSize(qint64 size)
+{
+    Q_UNUSED(size);
+    return false;
+}
+
+/*!
+    Should return true if the underlying file system is case-sensitive;
+    otherwise return false.
+
+    This virtual function must be reimplemented by all subclasses.
+ */
+bool QAbstractFileEngine::caseSensitive() const
+{
+    return false;
+}
+
+/*!
+    Return true if the file referred to by this file engine has a
+    relative path; otherwise return false.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName()
+ */
+bool QAbstractFileEngine::isRelativePath() const
+{
+    return false;
+}
+
+/*!
+    Requests that a list of all the files matching the \a filters
+    list based on the \a filterNames in the file engine's directory
+    are returned.
+
+    Should return an empty list if the file engine refers to a file
+    rather than a directory, or if the directory is unreadable or does
+    not exist or if nothing matches the specifications.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName()
+ */
+QStringList QAbstractFileEngine::entryList(QDir::Filters filters, const QStringList &filterNames) const
+{
+    QStringList ret;
+    QDirIterator it(fileName(), filterNames, filters);
+    while (it.hasNext()) {
+        it.next();
+        ret << it.fileName();
+    }
+    return ret;
+}
+
+/*!
+    This function should return the set of OR'd flags that are true
+    for the file engine's file, and that are in the \a type's OR'd
+    members.
+
+    In your reimplementation you can use the \a type argument as an
+    optimization hint and only return the OR'd set of members that are
+    true and that match those in \a type; in other words you can
+    ignore any members not mentioned in \a type, thus avoiding some
+    potentially expensive lookups or system calls.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName()
+*/
+QAbstractFileEngine::FileFlags QAbstractFileEngine::fileFlags(FileFlags type) const
+{
+    Q_UNUSED(type);
+    return 0;
+}
+
+/*!
+    Requests that the file's permissions be set to \a perms. The argument
+    perms will be set to the OR-ed together combination of
+    QAbstractFileEngine::FileInfo, with only the QAbstractFileEngine::PermsMask being
+    honored. If the operations succceeds return true; otherwise return
+    false;
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa size()
+*/
+bool QAbstractFileEngine::setPermissions(uint perms)
+{
+    Q_UNUSED(perms);
+    return false;
+}
+
+/*!
+    Return  the file engine's current file name in the format
+    specified by \a file.
+
+    If you don't handle some \c FileName possibilities, return the
+    file name set in setFileName() when an unhandled format is
+    requested.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName(), FileName
+ */
+QString QAbstractFileEngine::fileName(FileName file) const
+{
+    Q_UNUSED(file);
+    return QString();
+}
+
+/*!
+    If \a owner is \c OwnerUser return the ID of the user who owns
+    the file. If \a owner is \c OwnerGroup return the ID of the group
+    that own the file. If you can't determine the owner return -2.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa owner() setFileName(), FileOwner
+ */
+uint QAbstractFileEngine::ownerId(FileOwner owner) const
+{
+    Q_UNUSED(owner);
+    return 0;
+}
+
+/*!
+    If \a owner is \c OwnerUser return the name of the user who owns
+    the file. If \a owner is \c OwnerGroup return the name of the group
+    that own the file. If you can't determine the owner return
+    QString().
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa ownerId() setFileName(), FileOwner
+ */
+QString QAbstractFileEngine::owner(FileOwner owner) const
+{
+    Q_UNUSED(owner);
+    return QString();
+}
+
+/*!
+    If \a time is \c CreationTime, return when the file was created.
+    If \a time is \c ModificationTime, return when the file was most
+    recently modified. If \a time is \c AccessTime, return when the
+    file was most recently accessed (e.g. read or written).
+    If the time cannot be determined return QDateTime() (an invalid
+    date time).
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa setFileName(), QDateTime, QDateTime::isValid(), FileTime
+ */
+QDateTime QAbstractFileEngine::fileTime(FileTime time) const
+{
+    Q_UNUSED(time);
+    return QDateTime();
+}
+
+/*!
+    Sets the file engine's file name to \a file. This file name is the
+    file that the rest of the virtual functions will operate on.
+
+    This virtual function must be reimplemented by all subclasses.
+
+    \sa rename()
+ */
+void QAbstractFileEngine::setFileName(const QString &file)
+{
+    Q_UNUSED(file);
+}
+
+/*!
+    Returns the native file handle for this file engine. This handle must be
+    used with care; its value and type are platform specific, and using it
+    will most likely lead to non-portable code.
+*/
+int QAbstractFileEngine::handle() const
+{
+    return -1;
+}
+
+/*!
+    \since 4.3
+
+    Returns true if the current position is at the end of the file; otherwise,
+    returns false.
+
+    This function bases its behavior on calling extension() with
+    AtEndExtension. If the engine does not support this extension, false is
+    returned.
+
+    \sa extension(), supportsExtension(), QFile::atEnd()
+*/
+bool QAbstractFileEngine::atEnd() const
+{
+    return const_cast<QAbstractFileEngine *>(this)->extension(AtEndExtension);
+}
+
+/*!
+    \since 4.4
+
+    Maps \a size bytes of the file into memory starting at \a offset.
+    Returns a pointer to the memory if successful; otherwise returns false
+    if, for example, an error occurs.
+
+    This function bases its behavior on calling extension() with
+    MapExtensionOption. If the engine does not support this extension, 0 is
+    returned.
+
+    \a flags is currently not used, but could be used in the future.
+
+    \sa unmap(), supportsExtension()
+ */
+
+uchar *QAbstractFileEngine::map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags)
+{
+    MapExtensionOption option;
+    option.offset = offset;
+    option.size = size;
+    option.flags = flags;
+    MapExtensionReturn r;
+    if (!extension(MapExtension, &option, &r))
+        return 0;
+    return r.address;
+}
+
+/*!
+    \since 4.4
+
+    Unmaps the memory \a address.  Returns true if the unmap succeeds; otherwise
+    returns false.
+
+    This function bases its behavior on calling extension() with
+    UnMapExtensionOption. If the engine does not support this extension, false is
+    returned.
+
+    \sa map(), supportsExtension()
+ */
+bool QAbstractFileEngine::unmap(uchar *address)
+{
+    UnMapExtensionOption options;
+    options.address = address;
+    return extension(UnMapExtension, &options);
+}
+
+/*!
+    \since 4.3
+    \class QAbstractFileEngineIterator
+    \brief The QAbstractFileEngineIterator class provides an iterator
+    interface for custom file engines.
+
+    If all you want is to iterate over entries in a directory, see
+    QDirIterator instead. This class is only for custom file engine authors.
+
+    QAbstractFileEngineIterator is a unidirectional single-use virtual
+    iterator that plugs into QDirIterator, providing transparent proxy
+    iteration for custom file engines.
+
+    You can subclass QAbstractFileEngineIterator to provide an iterator when
+    writing your own file engine. To plug the iterator into your file system,
+    you simply return an instance of this subclass from a reimplementation of
+    QAbstractFileEngine::beginEntryList().
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qabstractfileengine.cpp 2
+
+    QAbstractFileEngineIterator is associated with a path, name filters, and
+    entry filters. The path is the directory that the iterator lists entries
+    in. The name filters and entry filters are provided for file engines that
+    can optimize directory listing at the iterator level (e.g., network file
+    systems that need to minimize network traffic), but they can also be
+    ignored by the iterator subclass; QAbstractFileEngineIterator already
+    provides the required filtering logics in the matchesFilters() function.
+    You can call dirName() to get the directory name, nameFilters() to get a
+    stringlist of name filters, and filters() to get the entry filters.
+
+    The pure virual function hasNext() returns true if the current directory
+    has at least one more entry (i.e., the directory name is valid and
+    accessible, and we have not reached the end of the entry list), and false
+    otherwise. Reimplement next() to seek to the next entry.
+
+    The pure virtual function currentFileName() returns the name of the
+    current entry without advancing the iterator. The currentFilePath()
+    function is provided for convenience; it returns the full path of the
+    current entry.
+
+    Here is an example of how to implement an interator that returns each of
+    three fixed entries in sequence.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qabstractfileengine.cpp 3
+
+    Note: QAbstractFileEngineIterator does not deal with QDir::IteratorFlags;
+    it simply returns entries for a single directory.
+
+    \sa QDirIterator
+*/
+
+/*!
+    \enum QAbstractFileEngineIterator::EntryInfoType
+    \internal
+
+    This enum describes the different types of information that can be
+    requested through the QAbstractFileEngineIterator::entryInfo() function.
+*/
+
+/*!
+    \typedef QAbstractFileEngine::Iterator
+    \since 4.3
+    \relates QAbstractFileEngine
+
+    Synonym for QAbstractFileEngineIterator.
+*/
+
+class QAbstractFileEngineIteratorPrivate
+{
+public:
+    QString path;
+    QDir::Filters filters;
+    QStringList nameFilters;
+    QFileInfo fileInfo;
+};
+
+/*!
+    Constructs a QAbstractFileEngineIterator, using the entry filters \a
+    filters, and wildcard name filters \a nameFilters.
+*/
+QAbstractFileEngineIterator::QAbstractFileEngineIterator(QDir::Filters filters,
+                                                         const QStringList &nameFilters)
+    : d(new QAbstractFileEngineIteratorPrivate)
+{
+    d->nameFilters = nameFilters;
+    d->filters = filters;
+}
+
+/*!
+    Destroys the QAbstractFileEngineIterator.
+
+    \sa QDirIterator
+*/
+QAbstractFileEngineIterator::~QAbstractFileEngineIterator()
+{
+    delete d;
+}
+
+/*!
+    Returns the path for this iterator. QDirIterator is responsible for
+    assigning this path; it cannot change during the iterator's lifetime.
+
+    \sa nameFilters(), filters()
+*/
+QString QAbstractFileEngineIterator::path() const
+{
+    return d->path;
+}
+
+/*!
+    \internal
+
+    Sets the iterator path to \a path. This function is called from within
+    QDirIterator.
+*/
+void QAbstractFileEngineIterator::setPath(const QString &path)
+{
+    d->path = path;
+}
+
+/*!
+    Returns the name filters for this iterator.
+
+    \sa QDir::nameFilters(), filters(), path()
+*/
+QStringList QAbstractFileEngineIterator::nameFilters() const
+{
+    return d->nameFilters;
+}
+
+/*!
+    Returns the entry filters for this iterator.
+
+    \sa QDir::filter(), nameFilters(), path()
+*/
+QDir::Filters QAbstractFileEngineIterator::filters() const
+{
+    return d->filters;
+}
+
+/*!
+    \fn QString QAbstractFileEngineIterator::currentFileName() const = 0
+
+    This pure virtual function returns the name of the current directory
+    entry, excluding the path.
+
+    \sa currentFilePath()
+*/
+
+/*!
+    Returns the path to the current directory entry. It's the same as
+    prepending path() to the return value of currentFileName().
+
+    \sa currentFileName()
+*/
+QString QAbstractFileEngineIterator::currentFilePath() const
+{
+    QString name = currentFileName();
+    if (!name.isNull()) {
+        QString tmp = path();
+        if (!tmp.isEmpty()) {
+            if (!tmp.endsWith(QLatin1Char('/')))
+                tmp.append(QLatin1Char('/'));
+            name.prepend(tmp);
+        }
+    }
+    return name;
+}
+
+/*!
+    The virtual function returns a QFileInfo for the current directory
+    entry. This function is provided for convenience. It can also be slightly
+    faster that creating a QFileInfo object yourself, as the object returned
+    by this function might contain cached information that QFileInfo otherwise
+    would have to access through the file engine.
+
+    \sa currentFileName()
+*/
+QFileInfo QAbstractFileEngineIterator::currentFileInfo() const
+{
+    QString path = currentFilePath();
+    if (d->fileInfo.filePath() != path)
+        d->fileInfo.setFile(path);
+
+    // return a shallow copy
+    return d->fileInfo;
+}
+
+/*!
+    \internal
+
+    Returns the entry info \a type for this iterator's current directory entry
+    as a QVariant. If \a type is undefined for this entry, a null QVariant is
+    returned.
+
+    \sa QAbstractFileEngine::beginEntryList(), QDir::beginEntryList()
+*/
+QVariant QAbstractFileEngineIterator::entryInfo(EntryInfoType type) const
+{
+    Q_UNUSED(type)
+    return QVariant();
+}
+
+/*!
+    \fn virtual QString QAbstractFileEngineIterator::next() = 0
+
+    This pure virtual function advances the iterator to the next directory
+    entry, and returns the file path to the current entry.
+
+    This function can optionally make use of nameFilters() and filters() to
+    optimize its performance.
+
+    Reimplement this function in a subclass to advance the iterator.
+
+    \sa QDirIterator::next()
+*/
+
+/*!
+    \fn virtual bool QAbstractFileEngineIterator::hasNext() const = 0
+
+    This pure virtual function returns true if there is at least one more
+    entry in the current directory (i.e., the iterator path is valid and
+    accessible, and the iterator has not reached the end of the entry list).
+
+    \sa QDirIterator::hasNext()
+*/
+
+/*!
+    Returns an instance of a QAbstractFileEngineIterator using \a filters for
+    entry filtering and \a filterNames for name filtering. This function is
+    called by QDirIterator to initiate directory iteration.
+
+    QDirIterator takes ownership of the returned instance, and deletes it when
+    it's done.
+
+    \sa QDirIterator
+*/
+QAbstractFileEngine::Iterator *QAbstractFileEngine::beginEntryList(QDir::Filters filters, const QStringList &filterNames)
+{
+    Q_UNUSED(filters);
+    Q_UNUSED(filterNames);
+    return 0;
+}
+
+/*!
+    \internal
+*/
+QAbstractFileEngine::Iterator *QAbstractFileEngine::endEntryList()
+{
+    return 0;
+}
+
+/*!
+    Reads a number of characters from the file into \a data. At most
+    \a maxlen characters will be read.
+
+    Returns -1 if a fatal error occurs, or 0 if there are no bytes to
+    read.
+*/
+qint64 QAbstractFileEngine::read(char *data, qint64 maxlen)
+{
+    Q_UNUSED(data);
+    Q_UNUSED(maxlen);
+    return -1;
+}
+
+/*!
+    Writes \a len bytes from \a data to the file. Returns the number
+    of characters written on success; otherwise returns -1.
+*/
+qint64 QAbstractFileEngine::write(const char *data, qint64 len)
+{
+    Q_UNUSED(data);
+    Q_UNUSED(len);
+    return -1;
+}
+
+/*!
+    This function reads one line, terminated by a '\n' character, from the
+    file info \a data. At most \a maxlen characters will be read. The
+    end-of-line character is included.
+*/
+qint64 QAbstractFileEngine::readLine(char *data, qint64 maxlen)
+{
+    qint64 readSoFar = 0;
+    while (readSoFar < maxlen) {
+        char c;
+        qint64 readResult = read(&c, 1);
+        if (readResult <= 0)
+            return (readSoFar > 0) ? readSoFar : -1;
+        ++readSoFar;
+        *data++ = c;
+        if (c == '\n')
+            return readSoFar;
+    }
+    return readSoFar;
+}
+
+/*!
+   \enum QAbstractFileEngine::Extension
+   \since 4.3
+
+   This enum describes the types of extensions that the file engine can
+   support. Before using these extensions, you must verify that the extension
+   is supported (i.e., call supportsExtension()).
+
+   \value AtEndExtension Whether the current file position is at the end of
+   the file or not. This extension allows file engines that implement local
+   buffering to report end-of-file status without having to check the size of
+   the file. It is also useful for sequential files, where the size of the
+   file cannot be used to determine whether or not you have reached the end.
+   This extension returns true if the file is at the end; otherwise it returns
+   false. The input and output arguments to extension() are ignored.
+
+   \value FastReadLineExtension Whether the file engine provides a
+   fast implementation for readLine() or not. If readLine() remains
+   unimplemented in the file engine, QAbstractFileEngine will provide
+   an implementation based on calling read() repeatedly. If
+   supportsExtension() returns false for this extension, however,
+   QIODevice can provide a faster implementation by making use of its
+   internal buffer. For engines that already provide a fast readLine()
+   implementation, returning false for this extension can avoid
+   unnnecessary double-buffering in QIODevice.
+
+   \value MapExtension Whether the file engine provides the ability to map
+   a file to memory.
+
+   \value UnMapExtension Whether the file engine provides the ability to
+   unmap memory that was previously mapped.
+*/
+
+/*!
+   \class QAbstractFileEngine::ExtensionOption
+   \since 4.3
+   \brief provides an extended input argument to QAbstractFileEngine's
+   extension support.
+
+   \sa QAbstractFileEngine::extension()
+*/
+
+/*!
+   \class QAbstractFileEngine::ExtensionReturn
+   \since 4.3
+   \brief provides an extended output argument to QAbstractFileEngine's
+   extension support.
+
+   \sa QAbstractFileEngine::extension()
+*/
+
+/*!
+    \since 4.3
+
+    This virtual function can be reimplemented in a QAbstractFileEngine
+    subclass to provide support for extensions. The \a option argument is
+    provided as input to the extension, and this function can store output
+    results in \a output.
+
+    The behavior of this function is determined by \a extension; see the
+    Extension documentation for details.
+
+    You can call supportsExtension() to check if an extension is supported by
+    the file engine.
+
+    By default, no extensions are supported, and this function returns false.
+
+    \sa supportsExtension(), Extension
+*/
+bool QAbstractFileEngine::extension(Extension extension, const ExtensionOption *option, ExtensionReturn *output)
+{
+    Q_UNUSED(extension);
+    Q_UNUSED(option);
+    Q_UNUSED(output);
+    return false;
+}
+
+/*!
+    \since 4.3
+
+    This virtual function returns true if the file engine supports \a
+    extension; otherwise, false is returned. By default, no extensions are
+    supported.
+
+    \sa extension()
+*/
+bool QAbstractFileEngine::supportsExtension(Extension extension) const
+{
+    Q_UNUSED(extension);
+    return false;
+}
+
+/*!
+  Returns the QFile::FileError that resulted from the last failed
+  operation. If QFile::UnspecifiedError is returned, QFile will
+  use its own idea of the error status.
+
+  \sa QFile::FileError, errorString()
+ */
+QFile::FileError QAbstractFileEngine::error() const
+{
+    Q_D(const QAbstractFileEngine);
+    return d->fileError;
+}
+
+/*!
+  Returns the human-readable message appropriate to the current error
+  reported by error(). If no suitable string is available, an
+  empty string is returned.
+
+  \sa error()
+ */
+QString QAbstractFileEngine::errorString() const
+{
+    Q_D(const QAbstractFileEngine);
+    return d->errorString;
+}
+
+/*!
+    Sets the error type to \a error, and the error string to \a errorString.
+    Call this function to set the error values returned by the higher-level
+    classes.
+
+    \sa QFile::error(), QIODevice::errorString(), QIODevice::setErrorString()
+*/
+void QAbstractFileEngine::setError(QFile::FileError error, const QString &errorString)
+{
+    Q_D(QAbstractFileEngine);
+    d->fileError = error;
+    d->errorString = errorString;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qabstractfileengine.h b/src/corelib/io/qabstractfileengine.h
new file mode 100644
index 0000000000..d742467dd2
--- /dev/null
+++ b/src/corelib/io/qabstractfileengine.h
@@ -0,0 +1,247 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTFILEENGINE_H
+#define QABSTRACTFILEENGINE_H
+
+#include <QtCore/qdir.h>
+
+#ifdef open
+#error qabstractfileengine.h must be included before any header file that defines open
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QFileExtension;
+class QFileExtensionResult;
+class QVariant;
+class QAbstractFileEngineIterator;
+class QAbstractFileEnginePrivate;
+
+class Q_CORE_EXPORT QAbstractFileEngine
+{
+public:
+    enum FileFlag {
+        //perms (overlaps the QFile::Permission)
+        ReadOwnerPerm = 0x4000, WriteOwnerPerm = 0x2000, ExeOwnerPerm = 0x1000,
+        ReadUserPerm  = 0x0400, WriteUserPerm  = 0x0200, ExeUserPerm  = 0x0100,
+        ReadGroupPerm = 0x0040, WriteGroupPerm = 0x0020, ExeGroupPerm = 0x0010,
+        ReadOtherPerm = 0x0004, WriteOtherPerm = 0x0002, ExeOtherPerm = 0x0001,
+
+        //types
+        LinkType      = 0x10000,
+        FileType      = 0x20000,
+        DirectoryType = 0x40000,
+        BundleType    = 0x80000,
+
+        //flags
+        HiddenFlag     = 0x0100000,
+        LocalDiskFlag  = 0x0200000,
+        ExistsFlag     = 0x0400000,
+        RootFlag       = 0x0800000,
+        Refresh        = 0x1000000,
+
+        //masks
+        PermsMask  = 0x0000FFFF,
+        TypesMask  = 0x000F0000,
+        FlagsMask  = 0x0FF00000,
+        FileInfoAll = FlagsMask | PermsMask | TypesMask
+    };
+    Q_DECLARE_FLAGS(FileFlags, FileFlag)
+
+    enum FileName {
+        DefaultName,
+        BaseName,
+        PathName,
+        AbsoluteName,
+        AbsolutePathName,
+        LinkName,
+        CanonicalName,
+        CanonicalPathName,
+        BundleName
+    };
+    enum FileOwner {
+        OwnerUser,
+        OwnerGroup
+    };
+    enum FileTime {
+        CreationTime,
+        ModificationTime,
+        AccessTime
+    };
+
+    virtual ~QAbstractFileEngine();
+
+    virtual bool open(QIODevice::OpenMode openMode);
+    virtual bool close();
+    virtual bool flush();
+    virtual qint64 size() const;
+    virtual qint64 pos() const;
+    virtual bool seek(qint64 pos);
+    virtual bool isSequential() const;
+    virtual bool remove();
+    virtual bool copy(const QString &newName);
+    virtual bool rename(const QString &newName);
+    virtual bool link(const QString &newName);
+    virtual bool mkdir(const QString &dirName, bool createParentDirectories) const;
+    virtual bool rmdir(const QString &dirName, bool recurseParentDirectories) const;
+    virtual bool setSize(qint64 size);
+    virtual bool caseSensitive() const;
+    virtual bool isRelativePath() const;
+    virtual QStringList entryList(QDir::Filters filters, const QStringList &filterNames) const;
+    virtual FileFlags fileFlags(FileFlags type=FileInfoAll) const;
+    virtual bool setPermissions(uint perms);
+    virtual QString fileName(FileName file=DefaultName) const;
+    virtual uint ownerId(FileOwner) const;
+    virtual QString owner(FileOwner) const;
+    virtual QDateTime fileTime(FileTime time) const;
+    virtual void setFileName(const QString &file);
+    virtual int handle() const;
+    bool atEnd() const;
+    uchar *map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags);
+    bool unmap(uchar *ptr);
+
+    typedef QAbstractFileEngineIterator Iterator;
+    virtual Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames);
+    virtual Iterator *endEntryList();
+
+    virtual qint64 read(char *data, qint64 maxlen);
+    virtual qint64 readLine(char *data, qint64 maxlen);
+    virtual qint64 write(const char *data, qint64 len);
+
+    QFile::FileError error() const;
+    QString errorString() const;
+
+    enum Extension {
+        AtEndExtension,
+        FastReadLineExtension,
+        MapExtension,
+        UnMapExtension
+    };
+    class ExtensionOption
+    {};
+    class ExtensionReturn
+    {};
+
+    class MapExtensionOption : public ExtensionOption {
+    public:
+        qint64 offset;
+        qint64 size;
+        QFile::MemoryMapFlags flags;
+    };
+    class MapExtensionReturn : public ExtensionReturn {
+    public:
+        uchar *address;
+    };
+
+    class UnMapExtensionOption : public ExtensionOption {
+    public:
+        uchar *address;
+    };
+
+    virtual bool extension(Extension extension, const ExtensionOption *option = 0, ExtensionReturn *output = 0);
+    virtual bool supportsExtension(Extension extension) const;
+
+    // Factory
+    static QAbstractFileEngine *create(const QString &fileName);
+
+protected:
+    void setError(QFile::FileError error, const QString &str);
+
+    QAbstractFileEngine();
+    QAbstractFileEngine(QAbstractFileEnginePrivate &);
+
+    QAbstractFileEnginePrivate *d_ptr;
+private:
+    Q_DECLARE_PRIVATE(QAbstractFileEngine)
+    Q_DISABLE_COPY(QAbstractFileEngine)
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractFileEngine::FileFlags)
+
+class Q_CORE_EXPORT QAbstractFileEngineHandler
+{
+public:
+    QAbstractFileEngineHandler();
+    virtual ~QAbstractFileEngineHandler();
+    virtual QAbstractFileEngine *create(const QString &fileName) const = 0;
+};
+
+class QAbstractFileEngineIteratorPrivate;
+class Q_CORE_EXPORT QAbstractFileEngineIterator
+{
+public:
+    QAbstractFileEngineIterator(QDir::Filters filters, const QStringList &nameFilters);
+    virtual ~QAbstractFileEngineIterator();
+
+    virtual QString next() = 0;
+    virtual bool hasNext() const = 0;
+
+    QString path() const;
+    QStringList nameFilters() const;
+    QDir::Filters filters() const;
+
+    virtual QString currentFileName() const = 0;
+    virtual QFileInfo currentFileInfo() const;
+    QString currentFilePath() const;
+
+protected:
+    enum EntryInfoType {
+    };
+    virtual QVariant entryInfo(EntryInfoType type) const;
+
+private:
+    Q_DISABLE_COPY(QAbstractFileEngineIterator)
+    friend class QDirIterator;
+    friend class QDirIteratorPrivate;
+    void setPath(const QString &path);
+    QAbstractFileEngineIteratorPrivate *d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QABSTRACTFILEENGINE_H
diff --git a/src/corelib/io/qabstractfileengine_p.h b/src/corelib/io/qabstractfileengine_p.h
new file mode 100644
index 0000000000..34a5a02e10
--- /dev/null
+++ b/src/corelib/io/qabstractfileengine_p.h
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTFILEENGINE_P_H
+#define QABSTRACTFILEENGINE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qabstractfileengine.h"
+#include "QtCore/qfile.h"
+
+QT_BEGIN_NAMESPACE
+
+class QAbstractFileEnginePrivate
+{
+public:
+    inline QAbstractFileEnginePrivate()
+        : fileError(QFile::UnspecifiedError)
+    {
+    }
+    inline virtual ~QAbstractFileEnginePrivate() { }
+
+    QFile::FileError fileError;
+    QString errorString;
+
+    QAbstractFileEngine *q_ptr;
+    Q_DECLARE_PUBLIC(QAbstractFileEngine)
+};
+
+QT_END_NAMESPACE
+
+#endif // QABSTRACTFILEENGINE_P_H
diff --git a/src/corelib/io/qbuffer.cpp b/src/corelib/io/qbuffer.cpp
new file mode 100644
index 0000000000..a34f7ba9d1
--- /dev/null
+++ b/src/corelib/io/qbuffer.cpp
@@ -0,0 +1,475 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbuffer.h"
+#include "private/qiodevice_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/** QBufferPrivate **/
+class QBufferPrivate : public QIODevicePrivate
+{
+    Q_DECLARE_PUBLIC(QBuffer)
+
+public:
+    QBufferPrivate()
+    : buf(0)
+#ifndef QT_NO_QOBJECT
+        , writtenSinceLastEmit(0), signalConnectionCount(0), signalsEmitted(false)
+#endif
+    { }
+    ~QBufferPrivate() { }
+
+    QByteArray *buf;
+    QByteArray defaultBuf;
+    int ioIndex;
+
+#ifndef QT_NO_QOBJECT
+    // private slots
+    void _q_emitSignals();
+
+    qint64 writtenSinceLastEmit;
+    int signalConnectionCount;
+    bool signalsEmitted;
+#endif
+};
+
+#ifndef QT_NO_QOBJECT
+void QBufferPrivate::_q_emitSignals()
+{
+    Q_Q(QBuffer);
+    emit q->bytesWritten(writtenSinceLastEmit);
+    writtenSinceLastEmit = 0;
+    emit q->readyRead();
+    signalsEmitted = false;
+}
+#endif
+
+/*!
+    \class QBuffer
+    \reentrant
+    \brief The QBuffer class provides a QIODevice interface for a QByteArray.
+
+    \ingroup io
+
+    QBuffer allows you to access a QByteArray using the QIODevice
+    interface. The QByteArray is treated just as a standard random-accessed
+    file. Example:
+
+    \snippet doc/src/snippets/buffer/buffer.cpp 0
+
+    By default, an internal QByteArray buffer is created for you when
+    you create a QBuffer. You can access this buffer directly by
+    calling buffer(). You can also use QBuffer with an existing
+    QByteArray by calling setBuffer(), or by passing your array to
+    QBuffer's constructor.
+
+    Call open() to open the buffer. Then call write() or
+    putChar() to write to the buffer, and read(), readLine(),
+    readAll(), or getChar() to read from it. size() returns the
+    current size of the buffer, and you can seek to arbitrary
+    positions in the buffer by calling seek(). When you are done with
+    accessing the buffer, call close().
+
+    The following code snippet shows how to write data to a
+    QByteArray using QDataStream and QBuffer:
+
+    \snippet doc/src/snippets/buffer/buffer.cpp 1
+
+    Effectively, we convert the application's QPalette into a byte
+    array. Here's how to read the data from the QByteArray:
+
+    \snippet doc/src/snippets/buffer/buffer.cpp 2
+
+    QTextStream and QDataStream also provide convenience constructors
+    that take a QByteArray and that create a QBuffer behind the
+    scenes.
+
+    QBuffer emits readyRead() when new data has arrived in the
+    buffer. By connecting to this signal, you can use QBuffer to
+    store temporary data before processing it. For example, you can
+    pass the buffer to QFtp when downloading a file from an FTP
+    server. Whenever a new payload of data has been downloaded,
+    readyRead() is emitted, and you can process the data that just
+    arrived. QBuffer also emits bytesWritten() every time new data
+    has been written to the buffer.
+
+    \sa QFile, QDataStream, QTextStream, QByteArray
+*/
+
+#ifdef QT_NO_QOBJECT
+QBuffer::QBuffer()
+    : QIODevice(*new QBufferPrivate)
+{
+    Q_D(QBuffer);
+    d->buf = &d->defaultBuf;
+    d->ioIndex = 0;
+}
+QBuffer::QBuffer(QByteArray *buf)
+    : QIODevice(*new QBufferPrivate)
+{
+    Q_D(QBuffer);
+    d->buf = buf ? buf : &d->defaultBuf;
+    d->ioIndex = 0;
+    d->defaultBuf.clear();
+}
+#else
+/*!
+    Constructs an empty buffer with the given \a parent. You can call
+    setData() to fill the buffer with data, or you can open it in
+    write mode and use write().
+
+    \sa open()
+*/
+QBuffer::QBuffer(QObject *parent)
+    : QIODevice(*new QBufferPrivate, parent)
+{
+    Q_D(QBuffer);
+    d->buf = &d->defaultBuf;
+    d->ioIndex = 0;
+}
+
+/*!
+    Constructs a QBuffer that uses the QByteArray pointed to by \a
+    byteArray as its internal buffer, and with the given \a parent.
+    The caller is responsible for ensuring that \a byteArray remains
+    valid until the QBuffer is destroyed, or until setBuffer() is
+    called to change the buffer. QBuffer doesn't take ownership of
+    the QByteArray.
+
+    If you open the buffer in write-only mode or read-write mode and
+    write something into the QBuffer, \a byteArray will be modified.
+
+    Example:
+
+    \snippet doc/src/snippets/buffer/buffer.cpp 3
+
+    \sa open(), setBuffer(), setData()
+*/
+QBuffer::QBuffer(QByteArray *byteArray, QObject *parent)
+    : QIODevice(*new QBufferPrivate, parent)
+{
+    Q_D(QBuffer);
+    d->buf = byteArray ? byteArray : &d->defaultBuf;
+    d->defaultBuf.clear();
+    d->ioIndex = 0;
+}
+#endif
+
+/*!
+    Destroys the buffer.
+*/
+
+QBuffer::~QBuffer()
+{
+}
+
+/*!
+    Makes QBuffer uses the QByteArray pointed to by \a
+    byteArray as its internal buffer. The caller is responsible for
+    ensuring that \a byteArray remains valid until the QBuffer is
+    destroyed, or until setBuffer() is called to change the buffer.
+    QBuffer doesn't take ownership of the QByteArray.
+
+    Does nothing if isOpen() is true.
+
+    If you open the buffer in write-only mode or read-write mode and
+    write something into the QBuffer, \a byteArray will be modified.
+
+    Example:
+
+    \snippet doc/src/snippets/buffer/buffer.cpp 4
+
+    If \a byteArray is 0, the buffer creates its own internal
+    QByteArray to work on. This byte array is initially empty.
+
+    \sa buffer(), setData(), open()
+*/
+
+void QBuffer::setBuffer(QByteArray *byteArray)
+{
+    Q_D(QBuffer);
+    if (isOpen()) {
+        qWarning("QBuffer::setBuffer: Buffer is open");
+        return;
+    }
+    if (byteArray) {
+        d->buf = byteArray;
+    } else {
+        d->buf = &d->defaultBuf;
+    }
+    d->defaultBuf.clear();
+    d->ioIndex = 0;
+}
+
+/*!
+    Returns a reference to the QBuffer's internal buffer. You can use
+    it to modify the QByteArray behind the QBuffer's back.
+
+    \sa setBuffer(), data()
+*/
+
+QByteArray &QBuffer::buffer()
+{
+    Q_D(QBuffer);
+    return *d->buf;
+}
+
+/*!
+    \overload
+
+    This is the same as data().
+*/
+
+const QByteArray &QBuffer::buffer() const
+{
+    Q_D(const QBuffer);
+    return *d->buf;
+}
+
+
+/*!
+    Returns the data contained in the buffer.
+
+    This is the same as buffer().
+
+    \sa setData(), setBuffer()
+*/
+
+const QByteArray &QBuffer::data() const
+{
+    Q_D(const QBuffer);
+    return *d->buf;
+}
+
+/*!
+    Sets the contents of the internal buffer to be \a data. This is
+    the same as assigning \a data to buffer().
+
+    Does nothing if isOpen() is true.
+
+    \sa setBuffer()
+*/
+void QBuffer::setData(const QByteArray &data)
+{
+    Q_D(QBuffer);
+    if (isOpen()) {
+        qWarning("QBuffer::setData: Buffer is open");
+        return;
+    }
+    *d->buf = data;
+    d->ioIndex = 0;
+}
+
+/*!
+    \fn void QBuffer::setData(const char *data, int size)
+
+    \overload
+
+    Sets the contents of the internal buffer to be the first \a size
+    bytes of \a data.
+*/
+
+/*!
+   \reimp
+*/
+bool QBuffer::open(OpenMode flags)
+{
+    Q_D(QBuffer);
+
+    if ((flags & Append) == Append)
+        flags |= WriteOnly;
+    setOpenMode(flags);
+    if (!(isReadable() || isWritable())) {
+        qWarning("QFile::open: File access not specified");
+        return false;
+    }
+
+    if ((flags & QIODevice::Truncate) == QIODevice::Truncate) {
+        d->buf->resize(0);
+    }
+    if ((flags & QIODevice::Append) == QIODevice::Append) // append to end of buffer
+        seek(d->buf->size());
+    else
+        seek(0);
+
+    return true;
+}
+
+/*!
+    \reimp
+*/
+void QBuffer::close()
+{
+    QIODevice::close();
+}
+
+/*!
+    \reimp
+*/
+qint64 QBuffer::pos() const
+{
+    return QIODevice::pos();
+}
+
+/*!
+    \reimp
+*/
+qint64 QBuffer::size() const
+{
+    Q_D(const QBuffer);
+    return qint64(d->buf->size());
+}
+
+/*!
+    \reimp
+*/
+bool QBuffer::seek(qint64 pos)
+{
+    Q_D(QBuffer);
+    if (pos > d->buf->size() && isWritable()) {
+        if (seek(d->buf->size())) {
+            const qint64 gapSize = pos - d->buf->size();
+            if (write(QByteArray(gapSize, 0)) != gapSize) {
+                qWarning("QBuffer::seek: Unable to fill gap");
+                return false;
+            }
+        } else {
+            return false;
+        }
+    } else if (pos > d->buf->size() || pos < 0) {
+        qWarning("QBuffer::seek: Invalid pos: %d", int(pos));
+        return false;
+    }
+    d->ioIndex = int(pos);
+    return QIODevice::seek(pos);
+}
+
+/*!
+    \reimp
+*/
+bool QBuffer::atEnd() const
+{
+    return QIODevice::atEnd();
+}
+
+/*!
+   \reimp
+*/
+bool QBuffer::canReadLine() const
+{
+    Q_D(const QBuffer);
+    if (!isOpen())
+        return false;
+
+    return d->buf->indexOf('\n', int(pos())) != -1 || QIODevice::canReadLine();
+}
+
+/*!
+    \reimp
+*/
+qint64 QBuffer::readData(char *data, qint64 len)
+{
+    Q_D(QBuffer);
+    if ((len = qMin(len, qint64(d->buf->size()) - d->ioIndex)) <= 0)
+        return qint64(0);
+    memcpy(data, d->buf->constData() + d->ioIndex, len);
+    d->ioIndex += int(len);
+    return len;
+}
+
+/*!
+    \reimp
+*/
+qint64 QBuffer::writeData(const char *data, qint64 len)
+{
+    Q_D(QBuffer);
+    int extraBytes = d->ioIndex + len - d->buf->size();
+    if (extraBytes > 0) { // overflow
+        int newSize = d->buf->size() + extraBytes;
+        d->buf->resize(newSize);
+        if (d->buf->size() != newSize) { // could not resize
+            qWarning("QBuffer::writeData: Memory allocation error");
+            return -1;
+        }
+    }
+
+    memcpy(d->buf->data() + d->ioIndex, (uchar *)data, int(len));
+    d->ioIndex += int(len);
+
+#ifndef QT_NO_QOBJECT
+    d->writtenSinceLastEmit += len;
+    if (d->signalConnectionCount && !d->signalsEmitted && !signalsBlocked()) {
+        d->signalsEmitted = true;
+        QMetaObject::invokeMethod(this, "_q_emitSignals", Qt::QueuedConnection);
+    }
+#endif
+    return len;
+}
+
+#ifndef QT_NO_QOBJECT
+/*!
+    \reimp
+    \internal
+*/
+void QBuffer::connectNotify(const char *signal)
+{
+    if (strcmp(signal + 1, "readyRead()") == 0 || strcmp(signal + 1, "bytesWritten(qint64)"))
+        d_func()->signalConnectionCount++;
+}
+
+/*!
+    \reimp
+    \internal
+*/
+void QBuffer::disconnectNotify(const char *signal)
+{
+    if (!signal || strcmp(signal + 1, "readyRead()") == 0 || strcmp(signal + 1, "bytesWritten(qint64)") == 0)
+        d_func()->signalConnectionCount--;
+}
+#endif
+
+QT_END_NAMESPACE
+
+#ifndef QT_NO_QOBJECT
+# include "moc_qbuffer.cpp"
+#endif
+
diff --git a/src/corelib/io/qbuffer.h b/src/corelib/io/qbuffer.h
new file mode 100644
index 0000000000..37aefb2c44
--- /dev/null
+++ b/src/corelib/io/qbuffer.h
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBUFFER_H
+#define QBUFFER_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qbytearray.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QObject;
+class QBufferPrivate;
+
+class Q_CORE_EXPORT QBuffer : public QIODevice
+{
+#ifndef QT_NO_QOBJECT
+    Q_OBJECT
+#endif
+
+public:
+#ifndef QT_NO_QOBJECT
+     explicit QBuffer(QObject *parent = 0);
+     QBuffer(QByteArray *buf, QObject *parent = 0);
+#else
+     QBuffer();
+     explicit QBuffer(QByteArray *buf);
+#endif
+    ~QBuffer();
+
+    QByteArray &buffer();
+    const QByteArray &buffer() const;
+    void setBuffer(QByteArray *a);
+
+    void setData(const QByteArray &data);
+    inline void setData(const char *data, int len);
+    const QByteArray &data() const;
+
+    bool open(OpenMode openMode);
+
+    void close();
+    qint64 size() const;
+    qint64 pos() const;
+    bool seek(qint64 off);
+    bool atEnd() const;
+    bool canReadLine() const;
+
+protected:
+#ifndef QT_NO_QOBJECT
+    void connectNotify(const char*);
+    void disconnectNotify(const char*);
+#endif
+    qint64 readData(char *data, qint64 maxlen);
+    qint64 writeData(const char *data, qint64 len);
+
+private:
+    Q_DECLARE_PRIVATE(QBuffer)
+    Q_DISABLE_COPY(QBuffer)
+
+    Q_PRIVATE_SLOT(d_func(), void _q_emitSignals())
+};
+
+inline void QBuffer::setData(const char *adata, int alen)
+{ setData(QByteArray(adata, alen)); }
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBUFFER_H
diff --git a/src/corelib/io/qdatastream.cpp b/src/corelib/io/qdatastream.cpp
new file mode 100644
index 0000000000..9990696eaa
--- /dev/null
+++ b/src/corelib/io/qdatastream.cpp
@@ -0,0 +1,1260 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdatastream.h"
+
+#ifndef QT_NO_DATASTREAM
+#include "qbuffer.h"
+#include "qstring.h"
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QDataStream
+    \reentrant
+    \brief The QDataStream class provides serialization of binary data
+    to a QIODevice.
+
+    \ingroup io
+    \mainclass
+
+    A data stream is a binary stream of encoded information which is
+    100% independent of the host computer's operating system, CPU or
+    byte order. For example, a data stream that is written by a PC
+    under Windows can be read by a Sun SPARC running Solaris.
+
+    You can also use a data stream to read/write \l{raw}{raw
+    unencoded binary data}. If you want a "parsing" input stream, see
+    QTextStream.
+
+    The QDataStream class implements the serialization of C++'s basic
+    data types, like \c char, \c short, \c int, \c{char *}, etc.
+    Serialization of more complex data is accomplished by breaking up
+    the data into primitive units.
+
+    A data stream cooperates closely with a QIODevice. A QIODevice
+    represents an input/output medium one can read data from and write
+    data to. The QFile class is an example of an I/O device.
+
+    Example (write binary data to a stream):
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdatastream.cpp 0
+
+    Example (read binary data from a stream):
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdatastream.cpp 1
+
+    Each item written to the stream is written in a predefined binary
+    format that varies depending on the item's type. Supported Qt
+    types include QBrush, QColor, QDateTime, QFont, QPixmap, QString,
+    QVariant and many others. For the complete list of all Qt types
+    supporting data streaming see the \l{Format of the QDataStream
+    operators}.
+
+    For integers it is best to always cast to a Qt integer type for
+    writing, and to read back into the same Qt integer type. This
+    ensures that you get integers of the size you want and insulates
+    you from compiler and platform differences.
+
+    To take one example, a \c{char *} string is written as a 32-bit
+    integer equal to the length of the string including the '\\0' byte,
+    followed by all the characters of the string including the
+    '\\0' byte. When reading a \c{char *} string, 4 bytes are read to
+    create the 32-bit length value, then that many characters for the
+    \c {char *} string including the '\\0' terminator are read.
+
+    The initial I/O device is usually set in the constructor, but can be
+    changed with setDevice(). If you've reached the end of the data
+    (or if there is no I/O device set) atEnd() will return true.
+
+    \section1 Versioning
+
+    QDataStream's binary format has evolved since Qt 1.0, and is
+    likely to continue evolving to reflect changes done in Qt. When
+    inputting or outputting complex types, it's very important to
+    make sure that the same version of the stream (version()) is used
+    for reading and writing. If you need both forward and backward
+    compatibility, you can hardcode the version number in the
+    application:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdatastream.cpp 2
+
+    If you are producing a new binary data format, such as a file
+    format for documents created by your application, you could use a
+    QDataStream to write the data in a portable format. Typically, you
+    would write a brief header containing a magic string and a version
+    number to give yourself room for future expansion. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdatastream.cpp 3
+
+    Then read it in with:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdatastream.cpp 4
+
+    You can select which byte order to use when serializing data. The
+    default setting is big endian (MSB first). Changing it to little
+    endian breaks the portability (unless the reader also changes to
+    little endian). We recommend keeping this setting unless you have
+    special requirements.
+
+    \target raw
+    \section1 Reading and writing raw binary data
+
+    You may wish to read/write your own raw binary data to/from the
+    data stream directly. Data may be read from the stream into a
+    preallocated \c{char *} using readRawData(). Similarly data can be
+    written to the stream using writeRawData(). Note that any
+    encoding/decoding of the data must be done by you.
+
+    A similar pair of functions is readBytes() and writeBytes(). These
+    differ from their \e raw counterparts as follows: readBytes()
+    reads a quint32 which is taken to be the length of the data to be
+    read, then that number of bytes is read into the preallocated
+    \c{char *}; writeBytes() writes a quint32 containing the length of the
+    data, followed by the data. Note that any encoding/decoding of
+    the data (apart from the length quint32) must be done by you.
+
+    \target Serializing Qt Classes
+    \section1 Reading and writing other Qt classes.
+
+    In addition to the overloaded stream operators documented here,
+    any Qt classes that you might want to serialize to a QDataStream
+    will have appropriate stream operators declared as non-member of
+    the class:
+
+    \code
+    QDataStream &operator<<(QDataStream &, const QXxx &);
+    QDataStream &operator>>(QDataStream &, QXxx &);
+    \endcode
+
+    For example, here are the stream operators declared as non-members
+    of the QImage class:
+
+    \code
+    QDataStream & operator<< (QDataStream& stream, const QImage& image);
+    QDataStream & operator>> (QDataStream& stream, QImage& image);
+    \endcode
+
+    To see if your favorite Qt class has similar stream operators
+    defined, check the \bold {Related Non-Members} section of the
+    class's documentation page.
+
+    \sa QTextStream QVariant
+*/
+
+/*!
+    \enum QDataStream::ByteOrder
+
+    The byte order used for reading/writing the data.
+
+    \value BigEndian Most significant byte first (the default)
+    \value LittleEndian Least significant byte first
+*/
+
+/*!
+    \enum QDataStream::Status
+
+    This enum describes the current status of the data stream.
+
+    \value Ok               The data stream is operating normally.
+    \value ReadPastEnd      The data stream has read past the end of the
+                            data in the underlying device.
+    \value ReadCorruptData  The data stream has read corrupt data.
+*/
+
+/*****************************************************************************
+  QDataStream member functions
+ *****************************************************************************/
+
+#undef  CHECK_STREAM_PRECOND
+#ifndef QT_NO_DEBUG
+#define CHECK_STREAM_PRECOND(retVal) \
+    if (!dev) { \
+        qWarning("QDataStream: No device"); \
+        return retVal; \
+    }
+#else
+#define CHECK_STREAM_PRECOND(retVal) \
+    if (!dev) { \
+        return retVal; \
+    }
+#endif
+
+enum {
+    DefaultStreamVersion = QDataStream::Qt_4_5
+};
+
+// ### 5.0: when streaming invalid QVariants, just the type should
+// be written, no "data" after it
+
+/*!
+    Constructs a data stream that has no I/O device.
+
+    \sa setDevice()
+*/
+
+QDataStream::QDataStream()
+{
+    dev = 0;
+    owndev = false;
+    byteorder = BigEndian;
+    ver = DefaultStreamVersion;
+    noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
+    q_status = Ok;
+}
+
+/*!
+    Constructs a data stream that uses the I/O device \a d.
+
+    \warning If you use QSocket or QSocketDevice as the I/O device \a d
+    for reading data, you must make sure that enough data is available
+    on the socket for the operation to successfully proceed;
+    QDataStream does not have any means to handle or recover from
+    short-reads.
+
+    \sa setDevice(), device()
+*/
+
+QDataStream::QDataStream(QIODevice *d)
+{
+    dev = d;                                // set device
+    owndev = false;
+    byteorder = BigEndian;                        // default byte order
+    ver = DefaultStreamVersion;
+    noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
+    q_status = Ok;
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    \fn QDataStream::QDataStream(QByteArray *array, int mode)
+    \compat
+
+    Constructs a data stream that operates on the given \a array. The
+    \a mode specifies how the byte array is to be used, and is
+    usually either QIODevice::ReadOnly or QIODevice::WriteOnly.
+*/
+QDataStream::QDataStream(QByteArray *a, int mode)
+{
+    QBuffer *buf = new QBuffer(a);
+#ifndef QT_NO_QOBJECT
+    buf->blockSignals(true);
+#endif
+    buf->open(QIODevice::OpenMode(mode));
+    dev = buf;
+    owndev = true;
+    byteorder = BigEndian;
+    ver = DefaultStreamVersion;
+    noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
+    q_status = Ok;
+}
+#endif
+
+/*!
+    \fn QDataStream::QDataStream(QByteArray *a, QIODevice::OpenMode mode)
+
+    Constructs a data stream that operates on a byte array, \a a. The
+    \a mode describes how the device is to be used.
+
+    Alternatively, you can use QDataStream(const QByteArray &) if you
+    just want to read from a byte array.
+
+    Since QByteArray is not a QIODevice subclass, internally a QBuffer
+    is created to wrap the byte array.
+*/
+
+QDataStream::QDataStream(QByteArray *a, QIODevice::OpenMode flags)
+{
+    QBuffer *buf = new QBuffer(a);
+#ifndef QT_NO_QOBJECT
+    buf->blockSignals(true);
+#endif
+    buf->open(flags);
+    dev = buf;
+    owndev = true;
+    byteorder = BigEndian;
+    ver = DefaultStreamVersion;
+    noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
+    q_status = Ok;
+}
+
+/*!
+    Constructs a read-only data stream that operates on byte array \a a.
+    Use QDataStream(QByteArray*, int) if you want to write to a byte
+    array.
+
+    Since QByteArray is not a QIODevice subclass, internally a QBuffer
+    is created to wrap the byte array.
+*/
+QDataStream::QDataStream(const QByteArray &a)
+{
+    QBuffer *buf = new QBuffer;
+#ifndef QT_NO_QOBJECT
+    buf->blockSignals(true);
+#endif
+    buf->setData(a);
+    buf->open(QIODevice::ReadOnly);
+    dev = buf;
+    owndev = true;
+    byteorder = BigEndian;
+    ver = DefaultStreamVersion;
+    noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
+    q_status = Ok;
+}
+
+/*!
+    Destroys the data stream.
+
+    The destructor will not affect the current I/O device, unless it is
+    an internal I/O device (e.g. a QBuffer) processing a QByteArray
+    passed in the \e constructor, in which case the internal I/O device
+    is destroyed.
+*/
+
+QDataStream::~QDataStream()
+{
+    if (owndev)
+        delete dev;
+}
+
+
+/*!
+    \fn QIODevice *QDataStream::device() const
+
+    Returns the I/O device currently set.
+
+    \sa setDevice(), unsetDevice()
+*/
+
+/*!
+    void QDataStream::setDevice(QIODevice *d)
+
+    Sets the I/O device to \a d.
+
+    \sa device(), unsetDevice()
+*/
+
+void QDataStream::setDevice(QIODevice *d)
+{
+    if (owndev) {
+        delete dev;
+        owndev = false;
+    }
+    dev = d;
+}
+
+/*!
+    \obsolete
+    Unsets the I/O device.
+    Use setDevice(0) instead.
+*/
+
+void QDataStream::unsetDevice()
+{
+    setDevice(0);
+}
+
+
+/*!
+    \fn bool QDataStream::atEnd() const
+
+    Returns true if the I/O device has reached the end position (end of
+    the stream or file) or if there is no I/O device set; otherwise
+    returns false.
+
+    \sa QIODevice::atEnd()
+*/
+
+bool QDataStream::atEnd() const
+{
+    return dev ? dev->atEnd() : true;
+}
+
+/*!
+    Returns the status of the data stream.
+
+    \sa Status setStatus() resetStatus()
+*/
+
+QDataStream::Status QDataStream::status() const
+{
+    return q_status;
+}
+
+/*!
+    Resets the status of the data stream.
+
+    \sa Status status() setStatus()
+*/
+void QDataStream::resetStatus()
+{
+    q_status = Ok;
+}
+
+/*!
+    Sets the status of the data stream to the \a status given.
+
+    \sa Status status() resetStatus()
+*/
+void QDataStream::setStatus(Status status)
+{
+    if (q_status == Ok)
+        q_status = status;
+}
+
+/*!\fn bool QDataStream::eof() const
+
+    Use atEnd() instead.
+*/
+
+/*!
+    \fn int QDataStream::byteOrder() const
+
+    Returns the current byte order setting -- either BigEndian or
+    LittleEndian.
+
+    \sa setByteOrder()
+*/
+
+/*!
+    Sets the serialization byte order to \a bo.
+
+    The \a bo parameter can be QDataStream::BigEndian or
+    QDataStream::LittleEndian.
+
+    The default setting is big endian. We recommend leaving this
+    setting unless you have special requirements.
+
+    \sa byteOrder()
+*/
+
+void QDataStream::setByteOrder(ByteOrder bo)
+{
+    byteorder = bo;
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian)
+        noswap = (byteorder == BigEndian);
+    else
+        noswap = (byteorder == LittleEndian);
+}
+
+
+/*!
+    \fn bool QDataStream::isPrintableData() const
+
+    In Qt 4, this function always returns false.
+
+    \sa setPrintableData()
+*/
+
+/*!
+    \fn void QDataStream::setPrintableData(bool enable)
+
+    In Qt 3, this function enabled output in a human-readable
+    format if \a enable was false.
+
+    In Qt 4, QDataStream no longer provides a human-readable output.
+    This function does nothing.
+*/
+
+/*!
+    \enum QDataStream::Version
+
+    This enum provides symbolic synonyms for the data serialization
+    format version numbers.
+
+    \value Qt_1_0 Version 1 (Qt 1.x)
+    \value Qt_2_0 Version 2 (Qt 2.0)
+    \value Qt_2_1 Version 3 (Qt 2.1, 2.2, 2.3)
+    \value Qt_3_0 Version 4 (Qt 3.0)
+    \value Qt_3_1 Version 5 (Qt 3.1, 3.2)
+    \value Qt_3_3 Version 6 (Qt 3.3)
+    \value Qt_4_0 Version 7 (Qt 4.0, Qt 4.1)
+    \value Qt_4_1 Version 7 (Qt 4.0, Qt 4.1)
+    \value Qt_4_2 Version 8 (Qt 4.2)
+    \value Qt_4_3 Version 9 (Qt 4.3)
+    \value Qt_4_4 Version 10 (Qt 4.4)
+    \value Qt_4_5 Version 10 (Qt 4.5)
+    \omitvalue Qt_4_6
+
+    \sa setVersion(), version()
+*/
+
+/*!
+    \fn int QDataStream::version() const
+
+    Returns the version number of the data serialization format.
+
+    \sa setVersion(), Version
+*/
+
+/*!
+    \fn void QDataStream::setVersion(int v)
+
+    Sets the version number of the data serialization format to \a v.
+
+    You don't \e have to set a version if you are using the current
+    version of Qt, but for your own custom binary formats we
+    recommend that you do; see \l{Versioning} in the Detailed
+    Description.
+
+    In order to accommodate new functionality, the datastream
+    serialization format of some Qt classes has changed in some
+    versions of Qt. If you want to read data that was created by an
+    earlier version of Qt, or write data that can be read by a
+    program that was compiled with an earlier version of Qt, use this
+    function to modify the serialization format used by QDataStream.
+
+    \table
+    \header \i Qt Version       \i QDataStream Version
+    \row \i Qt 4.4                  \i 10
+    \row \i Qt 4.3                  \i 9
+    \row \i Qt 4.2                  \i 8
+    \row \i Qt 4.0, 4.1            \i 7
+    \row \i Qt 3.3                  \i 6
+    \row \i Qt 3.1, 3.2             \i 5
+    \row \i Qt 3.0                  \i 4
+    \row \i Qt 2.1, 2.2, 2.3      \i 3
+    \row \i Qt 2.0                  \i 2
+    \row \i Qt 1.x                  \i 1
+    \endtable
+
+    The \l Version enum provides symbolic constants for the different
+    versions of Qt. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdatastream.cpp 5
+
+    \sa version(), Version
+*/
+
+/*****************************************************************************
+  QDataStream read functions
+ *****************************************************************************/
+
+/*!
+    \fn QDataStream &QDataStream::operator>>(quint8 &i)
+    \overload
+
+    Reads an unsigned byte from the stream into \a i, and returns a
+    reference to the stream.
+*/
+
+/*!
+    Reads a signed byte from the stream into \a i, and returns a
+    reference to the stream.
+*/
+
+QDataStream &QDataStream::operator>>(qint8 &i)
+{
+    i = 0;
+    CHECK_STREAM_PRECOND(*this)
+    char c;
+    if (!dev->getChar(&c))
+        setStatus(ReadPastEnd);
+    else
+        i = qint8(c);
+    return *this;
+}
+
+
+/*!
+    \fn QDataStream &QDataStream::operator>>(quint16 &i)
+    \overload
+
+    Reads an unsigned 16-bit integer from the stream into \a i, and
+    returns a reference to the stream.
+*/
+
+/*!
+    \overload
+
+    Reads a signed 16-bit integer from the stream into \a i, and
+    returns a reference to the stream.
+*/
+
+QDataStream &QDataStream::operator>>(qint16 &i)
+{
+    i = 0;
+    CHECK_STREAM_PRECOND(*this)
+    if (noswap) {
+        if (dev->read((char *)&i, 2) != 2) {
+            i = 0;
+            setStatus(ReadPastEnd);
+        }
+    } else {
+        register uchar *p = (uchar *)(&i);
+        char b[2];
+        if (dev->read(b, 2) == 2) {
+            *p++ = b[1];
+            *p = b[0];
+        } else {
+            setStatus(ReadPastEnd);
+        }
+    }
+    return *this;
+}
+
+
+/*!
+    \fn QDataStream &QDataStream::operator>>(quint32 &i)
+    \overload
+
+    Reads an unsigned 32-bit integer from the stream into \a i, and
+    returns a reference to the stream.
+*/
+
+/*!
+    \overload
+
+    Reads a signed 32-bit integer from the stream into \a i, and
+    returns a reference to the stream.
+*/
+
+QDataStream &QDataStream::operator>>(qint32 &i)
+{
+    i = 0;
+    CHECK_STREAM_PRECOND(*this)
+    if (noswap) {
+        if (dev->read((char *)&i, 4) != 4) {
+            i = 0;
+            setStatus(ReadPastEnd);
+        }
+    } else {                                        // swap bytes
+        uchar *p = (uchar *)(&i);
+        char b[4];
+        if (dev->read(b, 4) == 4) {
+            *p++ = b[3];
+            *p++ = b[2];
+            *p++ = b[1];
+            *p   = b[0];
+        } else {
+            setStatus(ReadPastEnd);
+        }
+    }
+    return *this;
+}
+
+/*!
+    \fn QDataStream &QDataStream::operator>>(quint64 &i)
+    \overload
+
+    Reads an unsigned 64-bit integer from the stream, into \a i, and
+    returns a reference to the stream.
+*/
+
+/*!
+    \overload
+
+    Reads a signed 64-bit integer from the stream into \a i, and
+    returns a reference to the stream.
+*/
+
+QDataStream &QDataStream::operator>>(qint64 &i)
+{
+    i = qint64(0);
+    CHECK_STREAM_PRECOND(*this)
+    if (version() < 6) {
+        quint32 i1, i2;
+        *this >> i2 >> i1;
+        i = ((quint64)i1 << 32) + i2;
+    } else if (noswap) {                        // no conversion needed
+        if (dev->read((char *)&i, 8) != 8) {
+            i = qint64(0);
+            setStatus(ReadPastEnd);
+        }
+    } else {                                        // swap bytes
+        uchar *p = (uchar *)(&i);
+        char b[8];
+        if (dev->read(b, 8) == 8) {
+            *p++ = b[7];
+            *p++ = b[6];
+            *p++ = b[5];
+            *p++ = b[4];
+            *p++ = b[3];
+            *p++ = b[2];
+            *p++ = b[1];
+            *p   = b[0];
+        } else {
+            setStatus(ReadPastEnd);
+        }
+    }
+    return *this;
+}
+
+/*!
+    Reads a boolean value from the stream into \a i. Returns a
+    reference to the stream.
+*/
+QDataStream &QDataStream::operator>>(bool &i)
+{
+    qint8 v;
+    *this >> v;
+    i = !!v;
+    return *this;
+}
+
+/*!
+    \overload
+
+    Reads a 32-bit floating point number from the stream into \a f,
+    using the standard IEEE 754 format. Returns a reference to the
+    stream.
+*/
+
+QDataStream &QDataStream::operator>>(float &f)
+{
+    f = 0.0f;
+    CHECK_STREAM_PRECOND(*this)
+    if (noswap) {
+        if (dev->read((char *)&f, 4) != 4) {
+            f = 0.0f;
+            setStatus(ReadPastEnd);
+        }
+    } else {                                        // swap bytes
+        uchar *p = (uchar *)(&f);
+        char b[4];
+        if (dev->read(b, 4) == 4) {
+            *p++ = b[3];
+            *p++ = b[2];
+            *p++ = b[1];
+            *p = b[0];
+        } else {
+            setStatus(ReadPastEnd);
+        }
+    }
+    return *this;
+}
+
+#if defined(Q_DOUBLE_FORMAT)
+#define Q_DF(x) Q_DOUBLE_FORMAT[(x)] - '0'
+#endif
+
+/*!
+    \overload
+
+    Reads a 64-bit floating point number from the stream into \a f,
+    using the standard IEEE 754 format. Returns a reference to the
+    stream.
+*/
+
+QDataStream &QDataStream::operator>>(double &f)
+{
+    f = 0.0;
+    CHECK_STREAM_PRECOND(*this)
+#ifndef Q_DOUBLE_FORMAT
+    if (noswap) {
+        if (dev->read((char *)&f, 8) != 8) {
+            f = 0.0;
+            setStatus(ReadPastEnd);
+        }
+    } else {                                        // swap bytes
+        register uchar *p = (uchar *)(&f);
+        char b[8];
+        if (dev->read(b, 8) == 8) {
+            *p++ = b[7];
+            *p++ = b[6];
+            *p++ = b[5];
+            *p++ = b[4];
+            *p++ = b[3];
+            *p++ = b[2];
+            *p++ = b[1];
+            *p   = b[0];
+        } else {
+            setStatus(ReadPastEnd);
+        }
+    }
+#else
+    //non-standard floating point format
+    register uchar *p = (uchar *)(&f);
+    char b[8];
+    if (dev->read(b, 8) == 8) {
+        if (noswap) {
+            *p++ = b[Q_DF(0)];
+            *p++ = b[Q_DF(1)];
+            *p++ = b[Q_DF(2)];
+            *p++ = b[Q_DF(3)];
+            *p++ = b[Q_DF(4)];
+            *p++ = b[Q_DF(5)];
+            *p++ = b[Q_DF(6)];
+            *p = b[Q_DF(7)];
+        } else {
+            *p++ = b[Q_DF(7)];
+            *p++ = b[Q_DF(6)];
+            *p++ = b[Q_DF(5)];
+            *p++ = b[Q_DF(4)];
+            *p++ = b[Q_DF(3)];
+            *p++ = b[Q_DF(2)];
+            *p++ = b[Q_DF(1)];
+            *p = b[Q_DF(0)];
+        }
+    } else {
+        setStatus(ReadPastEnd);
+    }
+#endif
+    return *this;
+}
+
+
+/*!
+    \overload
+
+    Reads the '\0'-terminated string \a s from the stream and returns
+    a reference to the stream.
+
+    Space for the string is allocated using \c new -- the caller must
+    destroy it with \c{delete[]}.
+*/
+
+QDataStream &QDataStream::operator>>(char *&s)
+{
+    uint len = 0;
+    return readBytes(s, len);
+}
+
+
+/*!
+    Reads the buffer \a s from the stream and returns a reference to
+    the stream.
+
+    The buffer \a s is allocated using \c new. Destroy it with the \c
+    delete[] operator.
+
+    The \a l parameter is set to the length of the buffer. If the
+    string read is empty, \a l is set to 0 and \a s is set to
+    a null pointer.
+
+    The serialization format is a quint32 length specifier first,
+    then \a l bytes of data.
+
+    \sa readRawData(), writeBytes()
+*/
+
+QDataStream &QDataStream::readBytes(char *&s, uint &l)
+{
+    s = 0;
+    l = 0;
+    CHECK_STREAM_PRECOND(*this)
+
+    quint32 len;
+    *this >> len;
+    if (len == 0)
+        return *this;
+
+    const quint32 Step = 1024 * 1024;
+    quint32 allocated = 0;
+    char *prevBuf = 0;
+    char *curBuf = 0;
+
+    do {
+        int blockSize = qMin(Step, len - allocated);
+        prevBuf = curBuf;
+        curBuf = new char[allocated + blockSize + 1];
+        if (prevBuf) {
+            memcpy(curBuf, prevBuf, allocated);
+            delete [] prevBuf;
+        }
+        if (dev->read(curBuf + allocated, blockSize) != blockSize) {
+            delete [] curBuf;
+            setStatus(ReadPastEnd);
+            return *this;
+        }
+        allocated += blockSize;
+    } while (allocated < len);
+
+    s = curBuf;
+    s[len] = '\0';
+    l = (uint)len;
+    return *this;
+}
+
+/*!
+    Reads at most \a len bytes from the stream into \a s and returns the number of
+    bytes read. If an error occurs, this function returns -1.
+
+    The buffer \a s must be preallocated. The data is \e not encoded.
+
+    \sa readBytes(), QIODevice::read(), writeRawData()
+*/
+
+int QDataStream::readRawData(char *s, int len)
+{
+    CHECK_STREAM_PRECOND(-1)
+    return dev->read(s, len);
+}
+
+
+/*****************************************************************************
+  QDataStream write functions
+ *****************************************************************************/
+
+
+/*!
+    \fn QDataStream &QDataStream::operator<<(quint8 i)
+    \overload
+
+    Writes an unsigned byte, \a i, to the stream and returns a
+    reference to the stream.
+*/
+
+/*!
+    Writes a signed byte, \a i, to the stream and returns a reference
+    to the stream.
+*/
+
+QDataStream &QDataStream::operator<<(qint8 i)
+{
+    CHECK_STREAM_PRECOND(*this)
+    dev->putChar(i);
+    return *this;
+}
+
+
+/*!
+    \fn QDataStream &QDataStream::operator<<(quint16 i)
+    \overload
+
+    Writes an unsigned 16-bit integer, \a i, to the stream and returns
+    a reference to the stream.
+*/
+
+/*!
+    \overload
+
+    Writes a signed 16-bit integer, \a i, to the stream and returns a
+    reference to the stream.
+*/
+
+QDataStream &QDataStream::operator<<(qint16 i)
+{
+    CHECK_STREAM_PRECOND(*this)
+    if (noswap) {
+        dev->write((char *)&i, sizeof(qint16));
+    } else {                                        // swap bytes
+        register uchar *p = (uchar *)(&i);
+        char b[2];
+        b[1] = *p++;
+        b[0] = *p;
+        dev->write(b, 2);
+    }
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes a signed 32-bit integer, \a i, to the stream and returns a
+    reference to the stream.
+*/
+
+QDataStream &QDataStream::operator<<(qint32 i)
+{
+    CHECK_STREAM_PRECOND(*this)
+    if (noswap) {
+        dev->write((char *)&i, sizeof(qint32));
+    } else {                                        // swap bytes
+        register uchar *p = (uchar *)(&i);
+        char b[4];
+        b[3] = *p++;
+        b[2] = *p++;
+        b[1] = *p++;
+        b[0] = *p;
+        dev->write(b, 4);
+    }
+    return *this;
+}
+
+/*!
+    \fn QDataStream &QDataStream::operator<<(quint64 i)
+    \overload
+
+    Writes an unsigned 64-bit integer, \a i, to the stream and returns a
+    reference to the stream.
+*/
+
+/*!
+    \overload
+
+    Writes a signed 64-bit integer, \a i, to the stream and returns a
+    reference to the stream.
+*/
+
+QDataStream &QDataStream::operator<<(qint64 i)
+{
+    CHECK_STREAM_PRECOND(*this)
+    if (version() < 6) {
+	quint32 i1 = i & 0xffffffff;
+	quint32 i2 = i >> 32;
+	*this << i2 << i1;
+    } else if (noswap) {                        // no conversion needed
+        dev->write((char *)&i, sizeof(qint64));
+    } else {                                        // swap bytes
+        register uchar *p = (uchar *)(&i);
+        char b[8];
+        b[7] = *p++;
+        b[6] = *p++;
+        b[5] = *p++;
+        b[4] = *p++;
+        b[3] = *p++;
+        b[2] = *p++;
+        b[1] = *p++;
+        b[0] = *p;
+        dev->write(b, 8);
+    }
+    return *this;
+}
+
+/*!
+    \fn QDataStream &QDataStream::operator<<(quint32 i)
+    \overload
+
+    Writes an unsigned integer, \a i, to the stream as a 32-bit
+    unsigned integer (quint32). Returns a reference to the stream.
+*/
+
+/*!
+    Writes a boolean value, \a i, to the stream. Returns a reference
+    to the stream.
+*/
+
+QDataStream &QDataStream::operator<<(bool i)
+{
+    CHECK_STREAM_PRECOND(*this)
+    dev->putChar(qint8(i));
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes a 32-bit floating point number, \a f, to the stream using
+    the standard IEEE 754 format. Returns a reference to the stream.
+*/
+
+QDataStream &QDataStream::operator<<(float f)
+{
+    CHECK_STREAM_PRECOND(*this)
+    float g = f;                                // fixes float-on-stack problem
+    if (noswap) {                                // no conversion needed
+        dev->write((char *)&g, sizeof(float));
+    } else {                                // swap bytes
+        register uchar *p = (uchar *)(&g);
+        char b[4];
+        b[3] = *p++;
+        b[2] = *p++;
+        b[1] = *p++;
+        b[0] = *p;
+        dev->write(b, 4);
+    }
+    return *this;
+}
+
+
+/*!
+    \overload
+
+    Writes a 64-bit floating point number, \a f, to the stream using
+    the standard IEEE 754 format. Returns a reference to the stream.
+*/
+
+QDataStream &QDataStream::operator<<(double f)
+{
+    CHECK_STREAM_PRECOND(*this)
+#ifndef Q_DOUBLE_FORMAT
+    if (noswap) {
+        dev->write((char *)&f, sizeof(double));
+    } else {
+        register uchar *p = (uchar *)(&f);
+        char b[8];
+        b[7] = *p++;
+        b[6] = *p++;
+        b[5] = *p++;
+        b[4] = *p++;
+        b[3] = *p++;
+        b[2] = *p++;
+        b[1] = *p++;
+        b[0] = *p;
+        dev->write(b, 8);
+    }
+#else
+    register uchar *p = (uchar *)(&f);
+    char b[8];
+    if (noswap) {
+        b[Q_DF(0)] = *p++;
+        b[Q_DF(1)] = *p++;
+        b[Q_DF(2)] = *p++;
+        b[Q_DF(3)] = *p++;
+        b[Q_DF(4)] = *p++;
+        b[Q_DF(5)] = *p++;
+        b[Q_DF(6)] = *p++;
+        b[Q_DF(7)] = *p;
+    } else {
+        b[Q_DF(7)] = *p++;
+        b[Q_DF(6)] = *p++;
+        b[Q_DF(5)] = *p++;
+        b[Q_DF(4)] = *p++;
+        b[Q_DF(3)] = *p++;
+        b[Q_DF(2)] = *p++;
+        b[Q_DF(1)] = *p++;
+        b[Q_DF(0)] = *p;
+    }
+    dev->write(b, 8);
+#endif
+    return *this;
+}
+
+
+/*!
+    \overload
+
+    Writes the '\0'-terminated string \a s to the stream and returns a
+    reference to the stream.
+
+    The string is serialized using writeBytes().
+*/
+
+QDataStream &QDataStream::operator<<(const char *s)
+{
+    if (!s) {
+        *this << (quint32)0;
+        return *this;
+    }
+    uint len = qstrlen(s) + 1;                        // also write null terminator
+    *this << (quint32)len;                        // write length specifier
+    writeRawData(s, len);
+    return *this;
+}
+
+
+/*!
+    Writes the length specifier \a len and the buffer \a s to the
+    stream and returns a reference to the stream.
+
+    The \a len is serialized as a quint32, followed by \a len bytes
+    from \a s. Note that the data is \e not encoded.
+
+    \sa writeRawData(), readBytes()
+*/
+
+QDataStream &QDataStream::writeBytes(const char *s, uint len)
+{
+    CHECK_STREAM_PRECOND(*this)
+    *this << (quint32)len;                        // write length specifier
+    if (len)
+        writeRawData(s, len);
+    return *this;
+}
+
+
+/*!
+    Writes \a len bytes from \a s to the stream. Returns the
+    number of bytes actually written, or -1 on error.
+    The data is \e not encoded.
+
+    \sa writeBytes(), QIODevice::write(), readRawData()
+*/
+
+int QDataStream::writeRawData(const char *s, int len)
+{
+    CHECK_STREAM_PRECOND(-1)
+    return dev->write(s, len);
+}
+
+/*!
+    \since 4.1
+
+    Skips \a len bytes from the device. Returns the number of bytes
+    actually skipped, or -1 on error.
+
+    This is equivalent to calling readRawData() on a buffer of length
+    \a len and ignoring the buffer.
+
+    \sa QIODevice::seek()
+*/
+int QDataStream::skipRawData(int len)
+{
+    CHECK_STREAM_PRECOND(-1)
+
+    if (dev->isSequential()) {
+        char buf[4096];
+        int sumRead = 0;
+
+        while (len > 0) {
+            int blockSize = qMin(len, (int)sizeof(buf));
+            int n = dev->read(buf, blockSize);
+            if (n == -1)
+                return -1;
+            if (n == 0)
+                return sumRead;
+
+            sumRead += n;
+            len -= blockSize;
+        }
+        return sumRead;
+    } else {
+        qint64 pos = dev->pos();
+        qint64 size = dev->size();
+        if (pos + len > size)
+            len = size - pos;
+        if (!dev->seek(pos + len))
+            return -1;
+        return len;
+    }
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    \fn QDataStream &QDataStream::readRawBytes(char *str, uint len)
+
+    Use readRawData() instead.
+*/
+
+/*!
+    \fn QDataStream &QDataStream::writeRawBytes(const char *str, uint len)
+
+    Use writeRawData() instead.
+*/
+#endif
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_DATASTREAM
diff --git a/src/corelib/io/qdatastream.h b/src/corelib/io/qdatastream.h
new file mode 100644
index 0000000000..ec5780c20a
--- /dev/null
+++ b/src/corelib/io/qdatastream.h
@@ -0,0 +1,428 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDATASTREAM_H
+#define QDATASTREAM_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qglobal.h>
+
+#ifdef Status
+#error qdatastream.h must be included before any header file that defines Status
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QByteArray;
+class QIODevice;
+
+template <typename T> class QList;
+template <typename T> class QLinkedList;
+template <typename T> class QVector;
+template <typename T> class QSet;
+template <class Key, class T> class QHash;
+template <class Key, class T> class QMap;
+
+class QDataStreamPrivate;
+
+#ifndef QT_NO_DATASTREAM
+class Q_CORE_EXPORT QDataStream
+{
+public:
+    enum Version {
+        Qt_1_0 = 1,
+        Qt_2_0 = 2,
+        Qt_2_1 = 3,
+        Qt_3_0 = 4,
+        Qt_3_1 = 5,
+        Qt_3_3 = 6,
+        Qt_4_0 = 7,
+        Qt_4_1 = Qt_4_0,
+        Qt_4_2 = 8,
+        Qt_4_3 = 9,
+        Qt_4_4 = 10,
+        Qt_4_5 = 11,
+        Qt_4_6 = Qt_4_5
+#if QT_VERSION >= 0x040700
+#error Add the datastream version for this Qt version
+        Qt_4_7 = Qt_4_6
+#endif
+    };
+
+    enum ByteOrder {
+        BigEndian = QSysInfo::BigEndian,
+        LittleEndian = QSysInfo::LittleEndian
+    };
+
+    enum Status {
+        Ok,
+        ReadPastEnd,
+	ReadCorruptData
+    };
+
+    QDataStream();
+    explicit QDataStream(QIODevice *);
+#ifdef QT3_SUPPORT
+    QDataStream(QByteArray *, int mode);
+#endif
+    QDataStream(QByteArray *, QIODevice::OpenMode flags);
+    QDataStream(const QByteArray &);
+    virtual ~QDataStream();
+
+    QIODevice *device() const;
+    void setDevice(QIODevice *);
+    void unsetDevice();
+
+    bool atEnd() const;
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT bool eof() const { return atEnd(); }
+#endif
+
+    Status status() const;
+    void setStatus(Status status);
+    void resetStatus();
+
+    ByteOrder byteOrder() const;
+    void setByteOrder(ByteOrder);
+
+    int version() const;
+    void setVersion(int);
+
+    QDataStream &operator>>(qint8 &i);
+    QDataStream &operator>>(quint8 &i);
+    QDataStream &operator>>(qint16 &i);
+    QDataStream &operator>>(quint16 &i);
+    QDataStream &operator>>(qint32 &i);
+    QDataStream &operator>>(quint32 &i);
+    QDataStream &operator>>(qint64 &i);
+    QDataStream &operator>>(quint64 &i);
+
+    QDataStream &operator>>(bool &i);
+    QDataStream &operator>>(float &f);
+    QDataStream &operator>>(double &f);
+    QDataStream &operator>>(char *&str);
+
+    QDataStream &operator<<(qint8 i);
+    QDataStream &operator<<(quint8 i);
+    QDataStream &operator<<(qint16 i);
+    QDataStream &operator<<(quint16 i);
+    QDataStream &operator<<(qint32 i);
+    QDataStream &operator<<(quint32 i);
+    QDataStream &operator<<(qint64 i);
+    QDataStream &operator<<(quint64 i);
+    QDataStream &operator<<(bool i);
+    QDataStream &operator<<(float f);
+    QDataStream &operator<<(double f);
+    QDataStream &operator<<(const char *str);
+
+    QDataStream &readBytes(char *&, uint &len);
+    int readRawData(char *, int len);
+
+    QDataStream &writeBytes(const char *, uint len);
+    int writeRawData(const char *, int len);
+
+    int skipRawData(int len);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT QDataStream &readRawBytes(char *str, uint len)
+        { readRawData(str, static_cast<int>(len)); return *this; }
+    inline QT3_SUPPORT QDataStream &writeRawBytes(const char *str, uint len)
+        { writeRawData(str, static_cast<int>(len)); return *this; }
+    inline QT3_SUPPORT bool isPrintableData() const { return false; }
+    inline QT3_SUPPORT void setPrintableData(bool) {}
+#endif
+
+private:
+    Q_DISABLE_COPY(QDataStream)
+
+    QDataStreamPrivate *d;
+
+    QIODevice *dev;
+    bool owndev;
+    bool noswap;
+    ByteOrder byteorder;
+    int ver;
+    Status q_status;
+};
+
+
+/*****************************************************************************
+  QDataStream inline functions
+ *****************************************************************************/
+
+inline QIODevice *QDataStream::device() const
+{ return dev; }
+
+inline QDataStream::ByteOrder QDataStream::byteOrder() const
+{ return byteorder; }
+
+inline int QDataStream::version() const
+{ return ver; }
+
+inline void QDataStream::setVersion(int v)
+{ ver = v; }
+
+inline QDataStream &QDataStream::operator>>(quint8 &i)
+{ return *this >> reinterpret_cast<qint8&>(i); }
+
+inline QDataStream &QDataStream::operator>>(quint16 &i)
+{ return *this >> reinterpret_cast<qint16&>(i); }
+
+inline QDataStream &QDataStream::operator>>(quint32 &i)
+{ return *this >> reinterpret_cast<qint32&>(i); }
+
+inline QDataStream &QDataStream::operator>>(quint64 &i)
+{ return *this >> reinterpret_cast<qint64&>(i); }
+
+inline QDataStream &QDataStream::operator<<(quint8 i)
+{ return *this << qint8(i); }
+
+inline QDataStream &QDataStream::operator<<(quint16 i)
+{ return *this << qint16(i); }
+
+inline QDataStream &QDataStream::operator<<(quint32 i)
+{ return *this << qint32(i); }
+
+inline QDataStream &QDataStream::operator<<(quint64 i)
+{ return *this << qint64(i); }
+
+template <typename T>
+QDataStream& operator>>(QDataStream& s, QList<T>& l)
+{
+    l.clear();
+    quint32 c;
+    s >> c;
+    for(quint32 i = 0; i < c; ++i)
+    {
+        T t;
+        s >> t;
+        l.append(t);
+        if (s.atEnd())
+            break;
+    }
+    return s;
+}
+
+template <typename T>
+QDataStream& operator<<(QDataStream& s, const QList<T>& l)
+{
+    s << quint32(l.size());
+    for (int i = 0; i < l.size(); ++i)
+        s << l.at(i);
+    return s;
+}
+
+template <typename T>
+QDataStream& operator>>(QDataStream& s, QLinkedList<T>& l)
+{
+    l.clear();
+    quint32 c;
+    s >> c;
+    for(quint32 i = 0; i < c; ++i)
+    {
+        T t;
+        s >> t;
+        l.append(t);
+        if (s.atEnd())
+            break;
+    }
+    return s;
+}
+
+template <typename T>
+QDataStream& operator<<(QDataStream& s, const QLinkedList<T>& l)
+{
+    s << quint32(l.size());
+    typename QLinkedList<T>::ConstIterator it = l.constBegin();
+    for(; it != l.constEnd(); ++it)
+        s << *it;
+    return s;
+}
+
+template<typename T>
+QDataStream& operator>>(QDataStream& s, QVector<T>& v)
+{
+    v.clear();
+    quint32 c;
+    s >> c;
+    v.resize(c);
+    for(quint32 i = 0; i < c; ++i) {
+        T t;
+        s >> t;
+        v[i] = t;
+    }
+    return s;
+}
+
+template<typename T>
+QDataStream& operator<<(QDataStream& s, const QVector<T>& v)
+{
+    s << quint32(v.size());
+    for (typename QVector<T>::const_iterator it = v.begin(); it != v.end(); ++it)
+        s << *it;
+    return s;
+}
+
+template <typename T>
+QDataStream &operator>>(QDataStream &in, QSet<T> &set)
+{
+    set.clear();
+    quint32 c;
+    in >> c;
+    for (quint32 i = 0; i < c; ++i) {
+        T t;
+        in >> t;
+        set << t;
+        if (in.atEnd())
+            break;
+    }
+    return in;
+}
+
+template <typename T>
+QDataStream& operator<<(QDataStream &out, const QSet<T> &set)
+{
+    out << quint32(set.size());
+    typename QSet<T>::const_iterator i = set.constBegin();
+    while (i != set.constEnd()) {
+        out << *i;
+        ++i;
+    }
+    return out;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QDataStream &operator>>(QDataStream &in, QHash<Key, T> &hash)
+{
+    QDataStream::Status oldStatus = in.status();
+    in.resetStatus();
+    hash.clear();
+
+    quint32 n;
+    in >> n;
+
+    for (quint32 i = 0; i < n; ++i) {
+        if (in.status() != QDataStream::Ok)
+            break;
+
+        Key k;
+        T t;
+        in >> k >> t;
+        hash.insertMulti(k, t);
+    }
+
+    if (in.status() != QDataStream::Ok)
+        hash.clear();
+    if (oldStatus != QDataStream::Ok)
+        in.setStatus(oldStatus);
+    return in;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QDataStream &operator<<(QDataStream &out, const QHash<Key, T>& hash)
+{
+    out << quint32(hash.size());
+    typename QHash<Key, T>::ConstIterator it = hash.end();
+    typename QHash<Key, T>::ConstIterator begin = hash.begin();
+    while (it != begin) {
+        --it;
+        out << it.key() << it.value();
+    }
+    return out;
+}
+#ifdef qdoc
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QDataStream &operator>>(QDataStream &in, QMap<Key, T> &map)
+#else
+template <class aKey, class aT>
+Q_OUTOFLINE_TEMPLATE QDataStream &operator>>(QDataStream &in, QMap<aKey, aT> &map)
+#endif
+{
+    QDataStream::Status oldStatus = in.status();
+    in.resetStatus();
+    map.clear();
+
+    quint32 n;
+    in >> n;
+
+    map.detach();
+    map.setInsertInOrder(true);
+    for (quint32 i = 0; i < n; ++i) {
+        if (in.status() != QDataStream::Ok)
+            break;
+
+        aKey key;
+        aT value;
+        in >> key >> value;
+        map.insertMulti(key, value);
+    }
+    map.setInsertInOrder(false);
+    if (in.status() != QDataStream::Ok)
+        map.clear();
+    if (oldStatus != QDataStream::Ok)
+        in.setStatus(oldStatus);
+    return in;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QDataStream &operator<<(QDataStream &out, const QMap<Key, T> &map)
+{
+    out << quint32(map.size());
+    typename QMap<Key, T>::ConstIterator it = map.end();
+    typename QMap<Key, T>::ConstIterator begin = map.begin();
+    while (it != begin) {
+        --it;
+        out << it.key() << it.value();
+    }
+    return out;
+}
+
+#endif // QT_NO_DATASTREAM
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QDATASTREAM_H
diff --git a/src/corelib/io/qdebug.cpp b/src/corelib/io/qdebug.cpp
new file mode 100644
index 0000000000..611b19abe1
--- /dev/null
+++ b/src/corelib/io/qdebug.cpp
@@ -0,0 +1,308 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifdef QT_NO_DEBUG
+#undef QT_NO_DEBUG
+#endif
+#ifdef qDebug
+#undef qDebug
+#endif
+
+#include "qdebug.h"
+
+// This file is needed to force compilation of QDebug into the kernel library.
+
+/*!
+    \class QDebug
+    \ingroup io
+    \mainclass
+    \brief The QDebug class provides an output stream for debugging information.
+
+    QDebug is used whenever the developer needs to write out debugging or tracing
+    information to a device, file, string or console.
+
+    \section1 Basic Use
+
+    In the common case, it is useful to call the qDebug() function to obtain a
+    default QDebug object to use for writing debugging information.
+
+    \snippet doc/src/snippets/qdebug/qdebugsnippet.cpp 1
+
+    This constructs a QDebug object using the constructor that accepts a QtMsgType
+    value of QtDebugMsg. Similarly, the qWarning(), qCritical() and qFatal()
+    functions also return QDebug objects for the corresponding message types.
+
+    The class also provides several constructors for other situations, including
+    a constructor that accepts a QFile or any other QIODevice subclass that is
+    used to write debugging information to files and other devices. The constructor
+    that accepts a QString is used to write to a string for display or serialization.
+
+    \section1 Writing Custom Types to a Stream
+
+    Many standard types can be written to QDebug objects, and Qt provides support for
+    most Qt value types. To add support for custom types, you need to implement a
+    streaming operator, as in the following example:
+
+    \snippet doc/src/snippets/qdebug/qdebugsnippet.cpp 0
+
+    This is described in the \l{Debugging Techniques} and
+    \l{Creating Custom Qt Types#Making the Type Printable}{Creating Custom Qt Types}
+    documents.
+*/
+
+/*!
+    \fn QDebug::QDebug(QIODevice *device)
+
+    Constructs a debug stream that writes to the given \a device.
+*/
+
+/*!
+    \fn QDebug::QDebug(QString *string)
+
+    Constructs a debug stream that writes to the given \a string.
+*/
+
+/*!
+    \fn QDebug::QDebug(QtMsgType type)
+
+    Constructs a debug stream that writes to the handler for the message type specified by \a type.
+*/
+
+/*!
+    \fn QDebug::QDebug(const QDebug &other)
+
+    Constructs a copy of the \a other debug stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator=(const QDebug &other)
+
+    Assigns the \a other debug stream to this stream and returns a reference to
+    this stream.
+*/
+
+/*!
+    \fn QDebug::~QDebug()
+
+    Flushes any pending data to be written and destroys the debug stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::space()
+
+    Writes a space character to the debug stream and returns a reference to
+    the stream.
+
+    The stream will record that the last character sent to the stream was a
+    space.
+
+    \sa nospace(), maybeSpace()
+*/
+
+/*!
+    \fn QDebug &QDebug::nospace()
+
+    Clears the stream's internal flag that records whether the last character
+    was a space and returns a reference to the stream.
+
+    \sa space(), maybeSpace()
+*/
+
+/*!
+    \fn QDebug &QDebug::maybeSpace()
+
+    Writes a space character to the debug stream, depending on the last
+    character sent to the stream, and returns a reference to the stream.
+
+    If the last character was a space character, this function writes a space
+    character to the stream; otherwise, no characters are written to the stream.
+
+    \sa space(), nospace()
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(QChar t)
+
+    Writes the character, \a t, to the stream and returns a reference to the
+    stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(QBool t)
+    \internal
+
+    Writes the boolean value, \a t, to the stream and returns a reference to the
+    stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(bool t)
+
+    Writes the boolean value, \a t, to the stream and returns a reference to the
+    stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(char t)
+
+    Writes the character, \a t, to the stream and returns a reference to the
+    stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(signed short i)
+
+    Writes the signed short integer, \a i, to the stream and returns a reference
+    to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(unsigned short i)
+
+    Writes then unsigned short integer, \a i, to the stream and returns a
+    reference to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(signed int i)
+
+    Writes the signed integer, \a i, to the stream and returns a reference
+    to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(unsigned int i)
+
+    Writes then unsigned integer, \a i, to the stream and returns a reference to
+    the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(signed long l)
+
+    Writes the signed long integer, \a l, to the stream and returns a reference
+    to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(unsigned long l)
+
+    Writes then unsigned long integer, \a l, to the stream and returns a reference
+    to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(qint64 i)
+
+    Writes the signed 64-bit integer, \a i, to the stream and returns a reference
+    to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(quint64 i)
+
+    Writes then unsigned 64-bit integer, \a i, to the stream and returns a
+    reference to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(float f)
+
+    Writes the 32-bit floating point number, \a f, to the stream and returns a
+    reference to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(double f)
+
+    Writes the 64-bit floating point number, \a f, to the stream and returns a
+    reference to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(const char *s)
+
+    Writes the '\0'-terminated string, \a s, to the stream and returns a
+    reference to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(const QString &s)
+
+    Writes the string, \a s, to the stream and returns a reference to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(const QStringRef &s)
+
+    Writes the string reference, \a s, to the stream and returns a reference to
+    the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(const QLatin1String &s)
+
+    Writes the Latin1-encoded string, \a s, to the stream and returns a reference
+    to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(const QByteArray &b)
+
+    Writes the byte array, \a b, to the stream and returns a reference to the
+    stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(const void *p)
+
+    Writes a pointer, \a p, to the stream and returns a reference to the stream.
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(QTextStreamFunction f)
+    \internal
+*/
+
+/*!
+    \fn QDebug &QDebug::operator<<(QTextStreamManipulator m)
+    \internal
+*/
diff --git a/src/corelib/io/qdebug.h b/src/corelib/io/qdebug.h
new file mode 100644
index 0000000000..8334146d30
--- /dev/null
+++ b/src/corelib/io/qdebug.h
@@ -0,0 +1,262 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDEBUG_H
+#define QDEBUG_H
+
+#include <QtCore/qalgorithms.h>
+#include <QtCore/qhash.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qmap.h>
+#include <QtCore/qpair.h>
+#include <QtCore/qtextstream.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qvector.h>
+#include <QtCore/qset.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QDebug
+{
+    struct Stream {
+        Stream(QIODevice *device) : ts(device), ref(1), type(QtDebugMsg), space(true), message_output(false) {}
+        Stream(QString *string) : ts(string, QIODevice::WriteOnly), ref(1), type(QtDebugMsg), space(true), message_output(false) {}
+        Stream(QtMsgType t) : ts(&buffer, QIODevice::WriteOnly), ref(1), type(t), space(true), message_output(true) {}
+        QTextStream ts;
+        QString buffer;
+        int ref;
+        QtMsgType type;
+        bool space;
+        bool message_output;
+    } *stream;
+public:
+    inline QDebug(QIODevice *device) : stream(new Stream(device)) {}
+    inline QDebug(QString *string) : stream(new Stream(string)) {}
+    inline QDebug(QtMsgType t) : stream(new Stream(t)) {}
+    inline QDebug(const QDebug &o):stream(o.stream) { ++stream->ref; }
+    inline QDebug &operator=(const QDebug &other);
+    inline ~QDebug() {
+        if (!--stream->ref) {
+            if(stream->message_output)
+                qt_message_output(stream->type, stream->buffer.toLocal8Bit().data());
+            delete stream;
+        }
+    }
+    inline QDebug &space() { stream->space = true; stream->ts << " "; return *this; }
+    inline QDebug &nospace() { stream->space = false; return *this; }
+    inline QDebug &maybeSpace() { if (stream->space) stream->ts << " "; return *this; }
+
+    inline QDebug &operator<<(QChar t) { stream->ts << "\'" << t << "\'"; return maybeSpace(); }
+    inline QDebug &operator<<(QBool t) { stream->ts << (bool(t) ? "true" : "false"); return maybeSpace(); }
+    inline QDebug &operator<<(bool t) { stream->ts << (t ? "true" : "false"); return maybeSpace(); }
+    inline QDebug &operator<<(char t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(signed short t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(unsigned short t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(signed int t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(unsigned int t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(signed long t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(unsigned long t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(qint64 t)
+        { stream->ts << QString::number(t); return maybeSpace(); }
+    inline QDebug &operator<<(quint64 t)
+        { stream->ts << QString::number(t); return maybeSpace(); }
+    inline QDebug &operator<<(float t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(double t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(const char* t) { stream->ts << QString::fromAscii(t); return maybeSpace(); }
+    inline QDebug &operator<<(const QString & t) { stream->ts << "\"" << t  << "\""; return maybeSpace(); }
+    inline QDebug &operator<<(const QStringRef & t) { return operator<<(t.toString()); }
+    inline QDebug &operator<<(const QLatin1String &t) { stream->ts << "\""  << t.latin1() << "\""; return maybeSpace(); }
+    inline QDebug &operator<<(const QByteArray & t) { stream->ts  << "\"" << t << "\""; return maybeSpace(); }
+    inline QDebug &operator<<(const void * t) { stream->ts << t; return maybeSpace(); }
+    inline QDebug &operator<<(QTextStreamFunction f) {
+        stream->ts << f;
+        return *this;
+    }
+
+    inline QDebug &operator<<(QTextStreamManipulator m)
+    { stream->ts << m; return *this; }
+};
+
+class QNoDebug
+{
+public:
+    inline QNoDebug(){}
+    inline QNoDebug(const QDebug &){}
+    inline ~QNoDebug(){}
+#if !defined( QT_NO_TEXTSTREAM )
+    inline QNoDebug &operator<<(QTextStreamFunction) { return *this; }
+    inline QNoDebug &operator<<(QTextStreamManipulator) { return *this; }
+#endif
+    inline QNoDebug &space() { return *this; }
+    inline QNoDebug &nospace() { return *this; }
+    inline QNoDebug &maybeSpace() { return *this; }
+
+#ifndef QT_NO_MEMBER_TEMPLATES
+    template<typename T>
+    inline QNoDebug &operator<<(const T &) { return *this; }
+#endif
+};
+
+Q_CORE_EXPORT_INLINE QDebug qCritical() { return QDebug(QtCriticalMsg); }
+
+inline QDebug &QDebug::operator=(const QDebug &other)
+{
+    if (this != &other) {
+        QDebug copy(other);
+        qSwap(stream, copy.stream);
+    }
+    return *this;
+}
+
+#if defined(FORCE_UREF)
+template <class T>
+inline QDebug &operator<<(QDebug debug, const QList<T> &list)
+#else
+template <class T>
+inline QDebug operator<<(QDebug debug, const QList<T> &list)
+#endif
+{
+    debug.nospace() << "(";
+    for (Q_TYPENAME QList<T>::size_type i = 0; i < list.count(); ++i) {
+        if (i)
+            debug << ", ";
+        debug << list.at(i);
+    }
+    debug << ")";
+    return debug.space();
+}
+
+#if defined(FORCE_UREF)
+template <typename T>
+inline QDebug &operator<<(QDebug debug, const QVector<T> &vec)
+#else
+template <typename T>
+inline QDebug operator<<(QDebug debug, const QVector<T> &vec)
+#endif
+{
+    debug.nospace() << "QVector";
+    return operator<<(debug, vec.toList());
+}
+
+#if defined(FORCE_UREF)
+template <class aKey, class aT>
+inline QDebug &operator<<(QDebug debug, const QMap<aKey, aT> &map)
+#else
+template <class aKey, class aT>
+inline QDebug operator<<(QDebug debug, const QMap<aKey, aT> &map)
+#endif
+{
+    debug.nospace() << "QMap(";
+    for (typename QMap<aKey, aT>::const_iterator it = map.constBegin();
+         it != map.constEnd(); ++it) {
+        debug << "(" << it.key() << ", " << it.value() << ")";
+    }
+    debug << ")";
+    return debug.space();
+}
+
+#if defined(FORCE_UREF)
+template <class aKey, class aT>
+inline QDebug &operator<<(QDebug debug, const QHash<aKey, aT> &hash)
+#else
+template <class aKey, class aT>
+inline QDebug operator<<(QDebug debug, const QHash<aKey, aT> &hash)
+#endif
+{
+    debug.nospace() << "QHash(";
+    for (typename QHash<aKey, aT>::const_iterator it = hash.constBegin();
+            it != hash.constEnd(); ++it)
+        debug << "(" << it.key() << ", " << it.value() << ")";
+    debug << ")";
+    return debug.space();
+}
+
+#if defined(FORCE_UREF)
+template <class T1, class T2>
+inline QDebug &operator<<(QDebug debug, const QPair<T1, T2> &pair)
+#else
+template <class T1, class T2>
+inline QDebug operator<<(QDebug debug, const QPair<T1, T2> &pair)
+#endif
+{
+    debug.nospace() << "QPair(" << pair.first << "," << pair.second << ")";
+    return debug.space();
+}
+
+template <typename T>
+inline QDebug operator<<(QDebug debug, const QSet<T> &set)
+{
+    debug.nospace() << "QSet";
+    return operator<<(debug, set.toList());
+}
+
+#if !defined(QT_NO_DEBUG_STREAM)
+Q_CORE_EXPORT_INLINE QDebug qDebug() { return QDebug(QtDebugMsg); }
+
+#else // QT_NO_DEBUG_STREAM
+#undef qDebug
+inline QNoDebug qDebug() { return QNoDebug(); }
+#define qDebug QT_NO_QDEBUG_MACRO
+
+#ifdef QT_NO_MEMBER_TEMPLATES
+template<typename T>
+inline QNoDebug operator<<(QNoDebug debug, const T &) { return debug; }
+#endif
+
+#endif
+
+#if !defined(QT_NO_WARNING_OUTPUT)
+Q_CORE_EXPORT_INLINE QDebug qWarning() { return QDebug(QtWarningMsg); }
+#else
+#undef qWarning
+inline QNoDebug qWarning() { return QNoDebug(); }
+#define qWarning QT_NO_QWARNING_MACRO
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QDEBUG_H
diff --git a/src/corelib/io/qdir.cpp b/src/corelib/io/qdir.cpp
new file mode 100644
index 0000000000..6d75c598c7
--- /dev/null
+++ b/src/corelib/io/qdir.cpp
@@ -0,0 +1,2472 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qdir.h"
+#include "qabstractfileengine.h"
+#ifndef QT_NO_DEBUG_STREAM
+#include "qdebug.h"
+#endif
+#include "qfsfileengine.h"
+#include "qdatetime.h"
+#include "qstring.h"
+#include "qregexp.h"
+#include "qvector.h"
+#ifdef QT_BUILD_CORE_LIB
+# include "qresource.h"
+#endif
+
+#include "../kernel/qcoreglobaldata_p.h"
+#include <stdlib.h>
+
+QT_BEGIN_NAMESPACE
+
+static QString driveSpec(const QString &path)
+{
+#ifdef Q_OS_WIN
+    if (path.size() < 2)
+        return QString();
+    char c = path.at(0).toAscii();
+    if (c < 'a' && c > 'z' && c < 'A' && c > 'Z')
+        return QString();
+    if (path.at(1).toAscii() != ':')
+        return QString();
+    return path.mid(0, 2);
+#else
+    Q_UNUSED(path);
+    return QString();
+#endif
+}
+
+//************* QDirPrivate
+class QDirPrivate
+{
+    QDir *q_ptr;
+    Q_DECLARE_PUBLIC(QDir)
+
+protected:
+    QDirPrivate(QDir*, const QDir *copy=0);
+    ~QDirPrivate();
+
+    QString initFileEngine(const QString &file);
+
+    void updateFileLists() const;
+    void sortFileList(QDir::SortFlags, QStringList &, QStringList *, QFileInfoList *) const;
+
+private:
+#ifdef QT3_SUPPORT
+    QChar filterSepChar;
+    bool matchAllDirs;
+#endif
+    static inline QChar getFilterSepChar(const QString &nameFilter)
+    {
+        QChar sep(QLatin1Char(';'));
+        int i = nameFilter.indexOf(sep, 0);
+        if (i == -1 && nameFilter.indexOf(QLatin1Char(' '), 0) != -1)
+            sep = QChar(QLatin1Char(' '));
+        return sep;
+    }
+    static inline QStringList splitFilters(const QString &nameFilter, QChar sep=0) {
+        if(sep == 0)
+            sep = getFilterSepChar(nameFilter);
+        QStringList ret = nameFilter.split(sep);
+        for(int i = 0; i < ret.count(); i++)
+            ret[i] = ret[i].trimmed();
+        return ret;
+    }
+
+    struct Data {
+        inline Data()
+            : ref(1), fileEngine(0)
+        { clear(); }
+        inline Data(const Data &copy)
+            : ref(1), path(copy.path), nameFilters(copy.nameFilters), sort(copy.sort),
+              filters(copy.filters), fileEngine(0)
+        { clear(); }
+        inline ~Data()
+        { delete fileEngine; }
+
+        inline void clear() {
+            listsDirty = 1;
+        }
+        mutable QAtomicInt ref;
+
+        QString path;
+        QStringList nameFilters;
+        QDir::SortFlags sort;
+        QDir::Filters filters;
+
+        mutable QAbstractFileEngine *fileEngine;
+
+        mutable uint listsDirty : 1;
+        mutable QStringList files;
+        mutable QFileInfoList fileInfos;
+    } *data;
+    inline void setPath(const QString &p)
+    {
+        detach(false);
+        QString path = p;
+        if ((path.endsWith(QLatin1Char('/')) || path.endsWith(QLatin1Char('\\')))
+                && path.length() > 1) {
+#ifdef Q_OS_WIN
+            if (!(path.length() == 3 && path.at(1) == QLatin1Char(':')))
+#endif
+                path.truncate(path.length() - 1);
+        }
+        if(!data->fileEngine || !QDir::isRelativePath(path))
+            path = initFileEngine(path);
+        data->fileEngine->setFileName(path);
+        // set the path to be the qt friendly version so then we can operate on it using just /
+        data->path = data->fileEngine->fileName(QAbstractFileEngine::DefaultName);
+        data->clear();
+    }
+    inline void reset() {
+        detach();
+        data->clear();
+    }
+    void detach(bool createFileEngine = true);
+};
+
+QDirPrivate::QDirPrivate(QDir *qq, const QDir *copy) : q_ptr(qq)
+#ifdef QT3_SUPPORT
+                                                     , filterSepChar(0)
+                                                     , matchAllDirs(false)
+#endif
+{
+    if(copy) {
+        copy->d_func()->data->ref.ref();
+        data = copy->d_func()->data;
+    } else {
+        data = new QDirPrivate::Data;
+        data->clear();
+    }
+}
+
+QDirPrivate::~QDirPrivate()
+{
+    if (!data->ref.deref())
+        delete data;
+    data = 0;
+    q_ptr = 0;
+}
+
+/* For sorting */
+struct QDirSortItem {
+    QString filename_cache;
+    QString suffix_cache;
+    QFileInfo item;
+};
+static int qt_cmp_si_sort_flags;
+
+#if defined(Q_C_CALLBACKS)
+extern "C" {
+#endif
+
+#ifdef Q_OS_WINCE
+static int __cdecl qt_cmp_si(const void *n1, const void *n2)
+#else
+static int qt_cmp_si(const void *n1, const void *n2)
+#endif
+{
+    if (!n1 || !n2)
+        return 0;
+
+    QDirSortItem* f1 = (QDirSortItem*)n1;
+    QDirSortItem* f2 = (QDirSortItem*)n2;
+
+    if ((qt_cmp_si_sort_flags & QDir::DirsFirst) && (f1->item.isDir() != f2->item.isDir()))
+        return f1->item.isDir() ? -1 : 1;
+    if ((qt_cmp_si_sort_flags & QDir::DirsLast) && (f1->item.isDir() != f2->item.isDir()))
+        return f1->item.isDir() ? 1 : -1;
+
+    int r = 0;
+    int sortBy = (qt_cmp_si_sort_flags & QDir::SortByMask)
+                 | (qt_cmp_si_sort_flags & QDir::Type);
+
+    switch (sortBy) {
+      case QDir::Time:
+        r = f1->item.lastModified().secsTo(f2->item.lastModified());
+        break;
+      case QDir::Size:
+          r = int(qBound<qint64>(-1, f2->item.size() - f1->item.size(), 1));
+        break;
+      case QDir::Type:
+      {
+        bool ic = qt_cmp_si_sort_flags & QDir::IgnoreCase;
+
+        if (f1->suffix_cache.isNull())
+            f1->suffix_cache = ic ? f1->item.suffix().toLower()
+                               : f1->item.suffix();
+        if (f2->suffix_cache.isNull())
+            f2->suffix_cache = ic ? f2->item.suffix().toLower()
+                               : f2->item.suffix();
+
+	r = qt_cmp_si_sort_flags & QDir::LocaleAware
+            ? f1->suffix_cache.localeAwareCompare(f2->suffix_cache)
+            : f1->suffix_cache.compare(f2->suffix_cache);
+      }
+        break;
+      default:
+        ;
+    }
+
+    if (r == 0 && sortBy != QDir::Unsorted) {
+        // Still not sorted - sort by name
+        bool ic = qt_cmp_si_sort_flags & QDir::IgnoreCase;
+
+        if (f1->filename_cache.isNull())
+            f1->filename_cache = ic ? f1->item.fileName().toLower()
+                                    : f1->item.fileName();
+        if (f2->filename_cache.isNull())
+            f2->filename_cache = ic ? f2->item.fileName().toLower()
+                                    : f2->item.fileName();
+
+	r = qt_cmp_si_sort_flags & QDir::LocaleAware
+            ? f1->filename_cache.localeAwareCompare(f2->filename_cache)
+            : f1->filename_cache.compare(f2->filename_cache);
+    }
+
+    if (r == 0) // Enforce an order - the order the items appear in the array
+        r = (char*)n1 - (char*)n2;
+
+    if (qt_cmp_si_sort_flags & QDir::Reversed)
+        return -r;
+    return r;
+}
+
+#if defined(Q_C_CALLBACKS)
+}
+#endif
+
+inline void QDirPrivate::sortFileList(QDir::SortFlags sort, QStringList &l,
+                                      QStringList *names, QFileInfoList *infos) const
+{
+    if(names)
+        names->clear();
+    if(infos)
+        infos->clear();
+    if(!l.isEmpty()) {
+        QDirSortItem *si= new QDirSortItem[l.count()];
+        int i;
+        for (i = 0; i < l.size(); ++i) {
+            QString path = data->path;
+            if (!path.isEmpty() && !path.endsWith(QLatin1Char('/')))
+                path += QLatin1Char('/');
+            si[i].item = QFileInfo(path + l.at(i));
+        }
+        qt_cmp_si_sort_flags = sort;
+        if ((sort & QDir::SortByMask) != QDir::Unsorted)
+            qsort(si, i, sizeof(si[0]), qt_cmp_si);
+        // put them back in the list(s)
+        for (int j = 0; j<i; j++) {
+            if(infos)
+                infos->append(si[j].item);
+            if(names)
+                names->append(si[j].item.fileName());
+        }
+        delete [] si;
+    }
+}
+
+inline void QDirPrivate::updateFileLists() const
+{
+    if(data->listsDirty) {
+        QStringList l = data->fileEngine->entryList(data->filters, data->nameFilters);
+        sortFileList(data->sort, l, &data->files, &data->fileInfos);
+        data->listsDirty = 0;
+    }
+}
+
+QString QDirPrivate::initFileEngine(const QString &path)
+{
+    detach(false);
+    delete data->fileEngine;
+    data->fileEngine = 0;
+    data->clear();
+    data->fileEngine = QAbstractFileEngine::create(path);
+    return data->fileEngine->fileName(QAbstractFileEngine::DefaultName);
+}
+
+void QDirPrivate::detach(bool createFileEngine)
+{
+    qAtomicDetach(data);
+    if (createFileEngine) {
+        delete data->fileEngine;
+        data->fileEngine = QAbstractFileEngine::create(data->path);
+    }
+}
+
+/*!
+    \class QDir
+    \brief The QDir class provides access to directory structures and their contents.
+
+    \ingroup io
+    \ingroup shared
+    \reentrant
+    \mainclass
+
+    A QDir is used to manipulate path names, access information
+    regarding paths and files, and manipulate the underlying file
+    system. It can also be used to access Qt's \l{resource system}.
+
+    Qt uses "/" as a universal directory separator in the same way
+    that "/" is used as a path separator in URLs. If you always use
+    "/" as a directory separator, Qt will translate your paths to
+    conform to the underlying operating system.
+
+    A QDir can point to a file using either a relative or an absolute
+    path. Absolute paths begin with the directory separator
+    (optionally preceded by a drive specification under Windows).
+    Relative file names begin with a directory name or a file name and
+    specify a path relative to the current directory.
+
+    Examples of absolute paths:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 0
+
+    On Windows, the second example above will be translated to
+    \c{C:\Documents and Settings} when used to access files.
+
+    Examples of relative paths:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 1
+
+    You can use the isRelative() or isAbsolute() functions to check if
+    a QDir is using a relative or an absolute file path. Call
+    makeAbsolute() to convert a relative QDir to an absolute one.
+
+    \section1 Navigation and Directory Operations
+
+    A directory's path can be obtained with the path() function, and
+    a new path set with the setPath() function. The absolute path to
+    a directory is found by calling absolutePath().
+
+    The name of a directory is found using the dirName() function. This
+    typically returns the last element in the absolute path that specifies
+    the location of the directory. However, it can also return "." if
+    the QDir represents the current directory.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 2
+
+    The path for a directory can also be changed with the cd() and cdUp()
+    functions, both of which operate like familiar shell commands.
+    When cd() is called with the name of an existing directory, the QDir
+    object changes directory so that it represents that directory instead.
+    The cdUp() function changes the directory of the QDir object so that
+    it refers to its parent directory; i.e. cd("..") is equivalent to
+    cdUp().
+
+    Directories can be created with mkdir(), renamed with rename(), and
+    removed with rmdir().
+
+    You can test for the presence of a directory with a given name by
+    using exists(), and the properties of a directory can be tested with
+    isReadable(), isAbsolute(), isRelative(), and isRoot().
+
+    The refresh() function re-reads the directory's data from disk.
+
+    \section1 Files and Directory Contents
+
+    Directories contain a number of entries, representing files,
+    directories, and symbolic links. The number of entries in a
+    directory is returned by count().
+    A string list of the names of all the entries in a directory can be
+    obtained with entryList(). If you need information about each
+    entry, use entryInfoList() to obtain a list of QFileInfo objects.
+
+    Paths to files and directories within a directory can be
+    constructed using filePath() and absoluteFilePath().
+    The filePath() function returns a path to the specified file
+    or directory relative to the path of the QDir object;
+    absoluteFilePath() returns an absolute path to the specified
+    file or directory. Neither of these functions checks for the
+    existence of files or directory; they only construct paths.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 3
+
+    Files can be removed by using the remove() function. Directories
+    cannot be removed in the same way as files; use rmdir() to remove
+    them instead.
+
+    It is possible to reduce the number of entries returned by
+    entryList() and entryInfoList() by applying filters to a QDir object.
+    You can apply a name filter to specify a pattern with wildcards that
+    file names need to match, an attribute filter that selects properties
+    of entries and can distinguish between files and directories, and a
+    sort order.
+
+    Name filters are lists of strings that are passed to setNameFilters().
+    Attribute filters consist of a bitwise OR combination of Filters, and
+    these are specified when calling setFilter().
+    The sort order is specified using setSorting() with a bitwise OR
+    combination of SortFlags.
+
+    You can test to see if a filename matches a filter using the match()
+    function.
+
+    Filter and sort order flags may also be specified when calling
+    entryList() and entryInfoList() in order to override previously defined
+    behavior.
+
+    \section1 The Current Directory and Other Special Paths
+
+    Access to some common directories is provided with a number of static
+    functions that return QDir objects. There are also corresponding functions
+    for these that return strings:
+
+    \table
+    \header \o QDir      \o QString         \o Return Value
+    \row    \o current() \o currentPath()   \o The application's working directory
+    \row    \o home()    \o homePath()      \o The user's home directory
+    \row    \o root()    \o rootPath()      \o The root directory
+    \row    \o temp()    \o tempPath()      \o The system's temporary directory
+    \endtable
+
+    The setCurrent() static function can also be used to set the application's
+    working directory.
+
+    If you want to find the directory containing the application's executable,
+    see \l{QCoreApplication::applicationDirPath()}.
+
+    The drives() static function provides a list of root directories for each
+    device that contains a filing system. On Unix systems this returns a list
+    containing a single root directory "/"; on Windows the list will usually
+    contain \c{C:/}, and possibly other drive letters such as \c{D:/}, depending
+    on the configuration of the user's system.
+
+    \section1 Path Manipulation and Strings
+
+    Paths containing "." elements that reference the current directory at that
+    point in the path, ".." elements that reference the parent directory, and
+    symbolic links can be reduced to a canonical form using the canonicalPath()
+    function.
+
+    Paths can also be simplified by using cleanPath() to remove redundant "/"
+    and ".." elements.
+
+    It is sometimes necessary to be able to show a path in the native
+    representation for the user's platform. The static toNativeSeparators()
+    function returns a copy of the specified path in which each directory
+    separator is replaced by the appropriate separator for the underlying
+    operating system.
+
+    \section1 Examples
+
+    Check if a directory exists:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 4
+
+    (We could also use the static convenience function
+    QFile::exists().)
+
+    Traversing directories and reading a file:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 5
+
+    A program that lists all the files in the current directory
+    (excluding symbolic links), sorted by size, smallest first:
+
+    \snippet doc/src/snippets/qdir-listfiles/main.cpp 0
+
+    \sa QFileInfo, QFile, QFileDialog, QApplication::applicationDirPath(), {Find Files Example}
+*/
+
+/*!
+    Constructs a QDir pointing to the given directory \a path. If path
+    is empty the program's working directory, ("."), is used.
+
+    \sa currentPath()
+*/
+
+QDir::QDir(const QString &path) : d_ptr(new QDirPrivate(this))
+{
+    Q_D(QDir);
+    d->setPath(path.isEmpty() ? QString::fromLatin1(".") : path);
+    d->data->nameFilters = QStringList(QString::fromLatin1("*"));
+    d->data->filters = AllEntries;
+    d->data->sort = SortFlags(Name | IgnoreCase);
+}
+
+/*!
+    Constructs a QDir with path \a path, that filters its entries by
+    name using \a nameFilter and by attributes using \a filters. It
+    also sorts the names using \a sort.
+
+    The default \a nameFilter is an empty string, which excludes
+    nothing; the default \a filters is \l AllEntries, which also means
+    exclude nothing. The default \a sort is \l Name | \l IgnoreCase,
+    i.e. sort by name case-insensitively.
+
+    If \a path is an empty string, QDir uses "." (the current
+    directory). If \a nameFilter is an empty string, QDir uses the
+    name filter "*" (all files).
+
+    Note that \a path need not exist.
+
+    \sa exists(), setPath(), setNameFilter(), setFilter(), setSorting()
+*/
+
+QDir::QDir(const QString &path, const QString &nameFilter,
+           SortFlags sort, Filters filters)  : d_ptr(new QDirPrivate(this))
+{
+    Q_D(QDir);
+    d->setPath(path.isEmpty() ? QString::fromLatin1(".") : path);
+    d->data->nameFilters = QDir::nameFiltersFromString(nameFilter);
+    bool empty = d->data->nameFilters.isEmpty();
+    if(!empty) {
+        empty = true;
+        for(int i = 0; i < d->data->nameFilters.size(); ++i) {
+            if(!d->data->nameFilters.at(i).isEmpty()) {
+                empty = false;
+                break;
+            }
+        }
+    }
+    if (empty)
+        d->data->nameFilters = QStringList(QString::fromLatin1("*"));
+    d->data->sort = sort;
+    d->data->filters = filters;
+}
+
+/*!
+    Constructs a QDir object that is a copy of the QDir object for
+    directory \a dir.
+
+    \sa operator=()
+*/
+
+QDir::QDir(const QDir &dir)  : d_ptr(new QDirPrivate(this, &dir))
+{
+}
+
+/*!
+    Destroys the QDir object frees up its resources. This has no
+    effect on the underlying directory in the file system.
+*/
+
+QDir::~QDir()
+{
+    delete d_ptr;
+    d_ptr = 0;
+}
+
+/*!
+    Sets the path of the directory to \a path. The path is cleaned of
+    redundant ".", ".." and of multiple separators. No check is made
+    to see whether a directory with this path actually exists; but you
+    can check for yourself using exists().
+
+    The path can be either absolute or relative. Absolute paths begin
+    with the directory separator "/" (optionally preceded by a drive
+    specification under Windows). Relative file names begin with a
+    directory name or a file name and specify a path relative to the
+    current directory. An example of an absolute path is the string
+    "/tmp/quartz", a relative path might look like "src/fatlib".
+
+    \sa path(), absolutePath(), exists(), cleanPath(), dirName(),
+      absoluteFilePath(), isRelative(), makeAbsolute()
+*/
+
+void QDir::setPath(const QString &path)
+{
+    Q_D(QDir);
+    d->setPath(path);
+}
+
+/*!
+    Returns the path. This may contain symbolic links, but never
+    contains redundant ".", ".." or multiple separators.
+
+    The returned path can be either absolute or relative (see
+    setPath()).
+
+    \sa setPath(), absolutePath(), exists(), cleanPath(), dirName(),
+    absoluteFilePath(), toNativeSeparators(), makeAbsolute()
+*/
+
+QString QDir::path() const
+{
+    Q_D(const QDir);
+    return d->data->path;
+}
+
+/*!
+    Returns the absolute path (a path that starts with "/" or with a
+    drive specification), which may contain symbolic links, but never
+    contains redundant ".", ".." or multiple separators.
+
+    \sa setPath(), canonicalPath(), exists(), cleanPath(),
+    dirName(), absoluteFilePath()
+*/
+
+QString QDir::absolutePath() const
+{
+    Q_D(const QDir);
+    QString ret = d->data->path;
+    if (QDir::isRelativePath(ret))
+        ret = absoluteFilePath(QString::fromLatin1(""));
+    return cleanPath(ret);
+}
+
+
+/*!
+    Returns the canonical path, i.e. a path without symbolic links or
+    redundant "." or ".." elements.
+
+    On systems that do not have symbolic links this function will
+    always return the same string that absolutePath() returns. If the
+    canonical path does not exist (normally due to dangling symbolic
+    links) canonicalPath() returns an empty string.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 6
+
+    \sa path(), absolutePath(), exists(), cleanPath(), dirName(),
+        absoluteFilePath()
+*/
+
+QString QDir::canonicalPath() const
+{
+    Q_D(const QDir);
+
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return cleanPath(d->data->fileEngine->fileName(QAbstractFileEngine::CanonicalName));
+}
+
+/*!
+    Returns the name of the directory; this is \e not the same as the
+    path, e.g. a directory with the name "mail", might have the path
+    "/var/spool/mail". If the directory has no name (e.g. it is the
+    root directory) an empty string is returned.
+
+    No check is made to ensure that a directory with this name
+    actually exists; but see exists().
+
+    \sa path(), filePath(), absolutePath(), absoluteFilePath()
+*/
+
+QString QDir::dirName() const
+{
+    Q_D(const QDir);
+    int pos = d->data->path.lastIndexOf(QLatin1Char('/'));
+    if (pos == -1)
+        return d->data->path;
+    return d->data->path.mid(pos + 1);
+}
+
+/*!
+    Returns the path name of a file in the directory. Does \e not
+    check if the file actually exists in the directory; but see
+    exists(). If the QDir is relative the returned path name will also
+    be relative. Redundant multiple separators or "." and ".."
+    directories in \a fileName are not removed (see cleanPath()).
+
+    \sa dirName() absoluteFilePath(), isRelative(), canonicalPath()
+*/
+
+QString QDir::filePath(const QString &fileName) const
+{
+    Q_D(const QDir);
+    if (isAbsolutePath(fileName))
+        return QString(fileName);
+
+    QString ret = d->data->path;
+    if(!fileName.isEmpty()) {
+        if (!ret.isEmpty() && ret[(int)ret.length()-1] != QLatin1Char('/') && fileName[0] != QLatin1Char('/'))
+            ret += QLatin1Char('/');
+        ret += fileName;
+    }
+    return ret;
+}
+
+/*!
+    Returns the absolute path name of a file in the directory. Does \e
+    not check if the file actually exists in the directory; but see
+    exists(). Redundant multiple separators or "." and ".."
+    directories in \a fileName are not removed (see cleanPath()).
+
+    \sa relativeFilePath() filePath() canonicalPath()
+*/
+
+QString QDir::absoluteFilePath(const QString &fileName) const
+{
+    Q_D(const QDir);
+    if (isAbsolutePath(fileName))
+        return fileName;
+    if(!d->data->fileEngine)
+        return fileName;
+
+    QString ret;
+#ifndef QT_NO_FSFILEENGINE
+    if (isRelativePath(d->data->path)) //get pwd
+        ret = QFSFileEngine::currentPath(fileName);
+#endif
+    if(!d->data->path.isEmpty() && d->data->path != QLatin1String(".")) {
+        if (!ret.isEmpty() && !ret.endsWith(QLatin1Char('/')))
+            ret += QLatin1Char('/');
+        ret += d->data->path;
+    }
+    if (!fileName.isEmpty()) {
+        if (!ret.isEmpty() && !ret.endsWith(QLatin1Char('/')))
+            ret += QLatin1Char('/');
+        ret += fileName;
+    }
+    return ret;
+}
+
+/*!
+    Returns the path to \a fileName relative to the directory.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 7
+
+    \sa absoluteFilePath() filePath() canonicalPath()
+*/
+
+QString QDir::relativeFilePath(const QString &fileName) const
+{
+    QString dir = absolutePath();
+    QString file = cleanPath(fileName);
+
+    if (isRelativePath(file) || isRelativePath(dir))
+        return file;
+
+    QString dirDrive = driveSpec(dir);
+    QString fileDrive = driveSpec(file);
+
+    bool fileDriveMissing = false;
+    if (fileDrive.isEmpty()) {
+        fileDrive = dirDrive;
+        fileDriveMissing = true;
+    }
+
+#ifdef Q_OS_WIN
+    if (fileDrive.toLower() != dirDrive.toLower()
+        || (file.startsWith(QLatin1String("//"))
+        && !dir.startsWith(QLatin1String("//"))))
+#else
+    if (fileDrive != dirDrive)
+#endif
+        return file;
+
+    dir.remove(0, dirDrive.size());
+    if (!fileDriveMissing)
+        file.remove(0, fileDrive.size());
+
+    QString result;
+    QStringList dirElts = dir.split(QLatin1Char('/'), QString::SkipEmptyParts);
+    QStringList fileElts = file.split(QLatin1Char('/'), QString::SkipEmptyParts);
+
+    int i = 0;
+    while (i < dirElts.size() && i < fileElts.size() &&
+#ifdef Q_OS_WIN
+           dirElts.at(i).toLower() == fileElts.at(i).toLower())
+#else
+           dirElts.at(i) == fileElts.at(i))
+#endif
+        ++i;
+
+    for (int j = 0; j < dirElts.size() - i; ++j)
+        result += QLatin1String("../");
+
+    for (int j = i; j < fileElts.size(); ++j) {
+        result += fileElts.at(j);
+        if (j < fileElts.size() - 1)
+            result += QLatin1Char('/');
+    }
+
+    return result;
+}
+
+/*!
+    \obsolete
+
+    Use QDir::toNativeSeparators() instead.
+*/
+QString QDir::convertSeparators(const QString &pathName)
+{
+    return toNativeSeparators(pathName);
+}
+
+/*!
+    \since 4.2
+
+    Returns \a pathName with the '/' separators converted to
+    separators that are appropriate for the underlying operating
+    system.
+
+    On Windows, toNativeSeparators("c:/winnt/system32") returns
+    "c:\\winnt\\system32".
+
+    The returned string may be the same as the argument on some
+    operating systems, for example on Unix.
+
+    \sa fromNativeSeparators(), separator()
+*/
+QString QDir::toNativeSeparators(const QString &pathName)
+{
+    QString n(pathName);
+#if defined(Q_FS_FAT) || defined(Q_OS_OS2EMX)
+    for (int i=0; i<(int)n.length(); i++) {
+        if (n[i] == QLatin1Char('/'))
+            n[i] = QLatin1Char('\\');
+    }
+#endif
+    return n;
+}
+
+/*!
+    \since 4.2
+
+    Returns \a pathName using '/' as file separator. On Windows,
+    for instance, fromNativeSeparators("\c{c:\\winnt\\system32}") returns
+    "c:/winnt/system32".
+
+    The returned string may be the same as the argument on some
+    operating systems, for example on Unix.
+
+    \sa toNativeSeparators(), separator()
+*/
+QString QDir::fromNativeSeparators(const QString &pathName)
+{
+    QString n(pathName);
+#if defined(Q_FS_FAT) || defined(Q_OS_OS2EMX)
+    for (int i=0; i<(int)n.length(); i++) {
+        if (n[i] == QLatin1Char('\\'))
+            n[i] = QLatin1Char('/');
+    }
+#endif
+    return n;
+}
+
+/*!
+    Changes the QDir's directory to \a dirName.
+
+    Returns true if the new directory exists and is readable;
+    otherwise returns false. Note that the logical cd() operation is
+    not performed if the new directory does not exist.
+
+    Calling cd("..") is equivalent to calling cdUp().
+
+    \sa cdUp(), isReadable(), exists(), path()
+*/
+
+bool QDir::cd(const QString &dirName)
+{
+    Q_D(QDir);
+
+    if (dirName.isEmpty() || dirName == QLatin1String("."))
+        return true;
+    QString newPath = d->data->path;
+    if (isAbsolutePath(dirName)) {
+        newPath = cleanPath(dirName);
+    } else {
+        if (isRoot()) {
+            if (dirName == QLatin1String(".."))
+                return false;
+        } else {
+            newPath += QLatin1Char('/');
+        }
+
+        newPath += dirName;
+        if (dirName.indexOf(QLatin1Char('/')) >= 0
+            || d->data->path == QLatin1String(".")
+            || dirName == QLatin1String("..")) {
+            newPath = cleanPath(newPath);
+            /*
+              If newPath starts with .., we convert it to absolute to
+              avoid infinite looping on
+
+                  QDir dir(".");
+                  while (dir.cdUp())
+                      ;
+            */
+            if (newPath.startsWith(QLatin1String(".."))) {
+                newPath = QFileInfo(newPath).absoluteFilePath();
+            }
+        }
+    }
+    {
+        QFileInfo fi(newPath);
+        if (!(fi.exists() && fi.isDir()))
+            return false;
+    }
+
+    d->setPath(newPath);
+    refresh();
+    return true;
+}
+
+/*!
+    Changes directory by moving one directory up from the QDir's
+    current directory.
+
+    Returns true if the new directory exists and is readable;
+    otherwise returns false. Note that the logical cdUp() operation is
+    not performed if the new directory does not exist.
+
+    \sa cd(), isReadable(), exists(), path()
+*/
+
+bool QDir::cdUp()
+{
+    return cd(QString::fromLatin1(".."));
+}
+
+/*!
+    Returns the string list set by setNameFilters()
+*/
+
+QStringList QDir::nameFilters() const
+{
+    Q_D(const QDir);
+
+    return d->data->nameFilters;
+}
+
+/*!
+    Sets the name filters used by entryList() and entryInfoList() to the
+    list of filters specified by \a nameFilters.
+
+    Each name filter is a wildcard (globbing) filter that understands
+    \c{*} and \c{?} wildcards. (See \l{QRegExp wildcard matching}.)
+
+    For example, the following code sets three name filters on a QDir
+    to ensure that only files with extensions typically used for C++
+    source files are listed:
+
+    \snippet doc/src/snippets/qdir-namefilters/main.cpp 0
+
+    \sa nameFilters(), setFilter()
+*/
+
+void QDir::setNameFilters(const QStringList &nameFilters)
+{
+    Q_D(QDir);
+    d->detach();
+    d->data->nameFilters = nameFilters;
+}
+
+/*!
+    \obsolete
+    Adds \a path to the search paths searched in to find resources
+    that are not specified with an absolute path. The default search
+    path is to search only in the root (\c{:/}).
+
+    Use QDir::addSearchPath() with a prefix instead.
+
+    \sa {The Qt Resource System}, QResource::addSearchPath()
+*/
+
+void QDir::addResourceSearchPath(const QString &path)
+{
+#ifdef QT_BUILD_CORE_LIB
+    QResource::addSearchPath(path);
+#else
+    Q_UNUSED(path)
+#endif
+}
+
+#ifdef QT_BUILD_CORE_LIB
+/*!
+    \since 4.3
+
+    Sets or replaces Qt's search paths for file names with the prefix \a prefix
+    to \a searchPaths.
+
+    To specify a prefix for a file name, prepend the prefix followed by a single
+    colon (e.g., "images:undo.png", "xmldocs:books.xml"). \a prefix can only
+    contain letters or numbers (e.g., it cannot contain a colon, nor a slash).
+
+    Qt uses this search path to locate files with a known prefix. The search
+    path entries are tested in order, starting with the first entry.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 8
+
+    File name prefix must be at least 2 characters long to avoid conflicts with
+    Windows drive letters.
+
+    Search paths may contain paths to \l{The Qt Resource System}.
+*/
+void QDir::setSearchPaths(const QString &prefix, const QStringList &searchPaths)
+{
+    if (prefix.length() < 2) {
+        qWarning("QDir::setSearchPaths: Prefix must be longer than 1 character");
+        return;
+    }
+
+    for (int i = 0; i < prefix.count(); i++) {
+        if (!prefix.at(i).isLetterOrNumber()) {
+            qWarning("QDir::setSearchPaths: Prefix can only contain letters or numbers");
+            return;
+        }
+    }
+
+    QWriteLocker lock(&QCoreGlobalData::instance()->dirSearchPathsLock);
+    QMap<QString, QStringList> &paths = QCoreGlobalData::instance()->dirSearchPaths;
+    if (searchPaths.isEmpty()) {
+        paths.remove(prefix);
+    } else {
+        paths.insert(prefix, searchPaths);
+    }
+}
+
+/*!
+    \since 4.3
+
+    Adds \a path to the search path for \a prefix.
+
+    \sa setSearchPaths()
+*/
+void QDir::addSearchPath(const QString &prefix, const QString &path)
+{
+    if (path.isEmpty())
+        return;
+
+    QWriteLocker lock(&QCoreGlobalData::instance()->dirSearchPathsLock);
+    QCoreGlobalData::instance()->dirSearchPaths[prefix] += path;
+}
+
+/*!
+    \since 4.3
+
+    Returns the search paths for \a prefix.
+
+    \sa setSearchPaths(), addSearchPath()
+*/
+QStringList QDir::searchPaths(const QString &prefix)
+{
+    QReadLocker lock(&QCoreGlobalData::instance()->dirSearchPathsLock);
+    return QCoreGlobalData::instance()->dirSearchPaths.value(prefix);
+}
+
+#endif // QT_BUILD_CORE_LIB
+
+/*!
+    Returns the value set by setFilter()
+*/
+
+QDir::Filters QDir::filter() const
+{
+    Q_D(const QDir);
+
+    return d->data->filters;
+}
+
+/*!
+    \enum QDir::Filter
+
+    This enum describes the filtering options available to QDir; e.g.
+    for entryList() and entryInfoList(). The filter value is specified
+    by combining values from the following list using the bitwise OR
+    operator:
+
+    \value Dirs    List directories that match the filters.
+    \value AllDirs  List all directories; i.e. don't apply the filters
+                    to directory names.
+    \value Files   List files.
+    \value Drives  List disk drives (ignored under Unix).
+    \value NoSymLinks  Do not list symbolic links (ignored by operating
+                       systems that don't support symbolic links).
+    \value NoDotAndDotDot Do not list the special entries "." and "..".
+    \value AllEntries  List directories, files, drives and symlinks (this does not list
+                broken symlinks unless you specify System).
+    \value Readable    List files for which the application has read
+                       access. The Readable value needs to be combined
+                       with Dirs or Files.
+    \value Writable    List files for which the application has write
+                       access. The Writable value needs to be combined
+                       with Dirs or Files.
+    \value Executable  List files for which the application has
+                       execute access. The Executable value needs to be
+                       combined with Dirs or Files.
+    \value Modified  Only list files that have been modified (ignored
+                     under Unix).
+    \value Hidden  List hidden files (on Unix, files starting with a .).
+    \value System  List system files (on Unix, FIFOs, sockets and
+                   device files)
+    \value CaseSensitive  The filter should be case sensitive.
+
+    \omitvalue DefaultFilter
+    \omitvalue TypeMask
+    \omitvalue All
+    \omitvalue RWEMask
+    \omitvalue AccessMask
+    \omitvalue PermissionMask
+    \omitvalue NoFilter
+
+    Functions that use Filter enum values to filter lists of files
+    and directories will include symbolic links to files and directories
+    unless you set the NoSymLinks value.
+
+    A default constructed QDir will not filter out files based on
+    their permissions, so entryList() and entryInfoList() will return
+    all files that are readable, writable, executable, or any
+    combination of the three.  This makes the default easy to write,
+    and at the same time useful.
+
+    For example, setting the \c Readable, \c Writable, and \c Files
+    flags allows all files to be listed for which the application has read
+    access, write access or both. If the \c Dirs and \c Drives flags are
+    also included in this combination then all drives, directories, all
+    files that the application can read, write, or execute, and symlinks
+    to such files/directories can be listed.
+
+    To retrieve the permissons for a directory, use the
+    entryInfoList() function to get the associated QFileInfo objects
+    and then use the QFileInfo::permissons() to obtain the permissions
+    and ownership for each file.
+*/
+
+/*!
+    Sets the filter used by entryList() and entryInfoList() to \a
+    filters. The filter is used to specify the kind of files that
+    should be returned by entryList() and entryInfoList(). See
+    \l{QDir::Filter}.
+
+    \sa filter(), setNameFilters()
+*/
+
+void QDir::setFilter(Filters filters)
+{
+    Q_D(QDir);
+
+    d->detach();
+    d->data->filters = filters;
+}
+
+/*!
+    Returns the value set by setSorting()
+
+    \sa setSorting() SortFlag
+*/
+
+QDir::SortFlags QDir::sorting() const
+{
+    Q_D(const QDir);
+
+    return d->data->sort;
+}
+
+/*!
+    \enum QDir::SortFlag
+
+    This enum describes the sort options available to QDir, e.g. for
+    entryList() and entryInfoList(). The sort value is specified by
+    OR-ing together values from the following list:
+
+    \value Name  Sort by name.
+    \value Time  Sort by time (modification time).
+    \value Size  Sort by file size.
+    \value Type  Sort by file type (extension).
+    \value Unsorted  Do not sort.
+    \value NoSort Not sorted by default.
+
+    \value DirsFirst  Put the directories first, then the files.
+    \value DirsLast Put the files first, then the directories.
+    \value Reversed  Reverse the sort order.
+    \value IgnoreCase  Sort case-insensitively.
+    \value LocaleAware Sort items appropriately using the current locale settings.
+
+    \omitvalue SortByMask
+    \omitvalue DefaultSort
+
+    You can only specify one of the first four.
+
+    If you specify both DirsFirst and Reversed, directories are
+    still put first, but in reverse order; the files will be listed
+    after the directories, again in reverse order.
+*/
+
+/*!
+    Sets the sort order used by entryList() and entryInfoList().
+
+    The \a sort is specified by OR-ing values from the enum
+    \l{QDir::SortFlag}.
+
+    \sa sorting() SortFlag
+*/
+
+void QDir::setSorting(SortFlags sort)
+{
+    Q_D(QDir);
+
+    d->detach();
+    d->data->sort = sort;
+}
+
+
+/*!
+    Returns the total number of directories and files in the directory.
+
+    Equivalent to entryList().count().
+
+    \sa operator[](), entryList()
+*/
+
+uint QDir::count() const
+{
+    Q_D(const QDir);
+
+    d->updateFileLists();
+    return d->data->files.count();
+}
+
+/*!
+    Returns the file name at position \a pos in the list of file
+    names. Equivalent to entryList().at(index).
+
+    Returns an empty string if \a pos is out of range or if the
+    entryList() function failed.
+
+    \sa count(), entryList()
+*/
+
+QString QDir::operator[](int pos) const
+{
+    Q_D(const QDir);
+
+    d->updateFileLists();
+    return d->data->files[pos];
+}
+
+/*!
+    \overload
+
+    Returns a list of the names of all the files and directories in
+    the directory, ordered according to the name and attribute filters
+    previously set with setNameFilters() and setFilter(), and sorted according
+    to the flags set with setSorting().
+
+    The attribute filter and sorting specifications can be overridden using the
+    \a filters and \a sort arguments.
+
+    Returns an empty list if the directory is unreadable, does not
+    exist, or if nothing matches the specification.
+
+    \note To list symlinks that point to non existing files, \l System must be
+     passed to the filter.
+
+    \sa entryInfoList(), setNameFilters(), setSorting(), setFilter()
+*/
+
+QStringList QDir::entryList(Filters filters, SortFlags sort) const
+{
+    Q_D(const QDir);
+
+    return entryList(d->data->nameFilters, filters, sort);
+}
+
+
+/*!
+    \overload
+
+    Returns a list of QFileInfo objects for all the files and directories in
+    the directory, ordered according to the name and attribute filters
+    previously set with setNameFilters() and setFilter(), and sorted according
+    to the flags set with setSorting().
+
+    The attribute filter and sorting specifications can be overridden using the
+    \a filters and \a sort arguments.
+
+    Returns an empty list if the directory is unreadable, does not
+    exist, or if nothing matches the specification.
+
+    \sa entryList(), setNameFilters(), setSorting(), setFilter(), isReadable(), exists()
+*/
+
+QFileInfoList QDir::entryInfoList(Filters filters, SortFlags sort) const
+{
+    Q_D(const QDir);
+
+    return entryInfoList(d->data->nameFilters, filters, sort);
+}
+
+/*!
+    Returns a list of the names of all the files and
+    directories in the directory, ordered according to the name
+    and attribute filters previously set with setNameFilters()
+    and setFilter(), and sorted according to the flags set with
+    setSorting().
+
+    The name filter, file attribute filter, and sorting specification
+    can be overridden using the \a nameFilters, \a filters, and \a sort
+    arguments.
+
+    Returns an empty list if the directory is unreadable, does not
+    exist, or if nothing matches the specification.
+
+    \sa entryInfoList(), setNameFilters(), setSorting(), setFilter()
+*/
+
+QStringList QDir::entryList(const QStringList &nameFilters, Filters filters,
+                            SortFlags sort) const
+{
+    Q_D(const QDir);
+
+    if (filters == NoFilter)
+        filters = d->data->filters;
+#ifdef QT3_SUPPORT
+    if (d->matchAllDirs)
+        filters |= AllDirs;
+#endif
+    if (sort == NoSort)
+        sort = d->data->sort;
+    if (filters == NoFilter && sort == NoSort && nameFilters == d->data->nameFilters) {
+        d->updateFileLists();
+        return d->data->files;
+    }
+    QStringList l = d->data->fileEngine->entryList(filters, nameFilters);
+    if ((sort & QDir::SortByMask) == QDir::Unsorted)
+        return l;
+
+    QStringList ret;
+    d->sortFileList(sort, l, &ret, 0);
+    return ret;
+}
+
+/*!
+    Returns a list of QFileInfo objects for all the files and
+    directories in the directory, ordered according to the name
+    and attribute filters previously set with setNameFilters()
+    and setFilter(), and sorted according to the flags set with
+    setSorting().
+
+    The name filter, file attribute filter, and sorting specification
+    can be overridden using the \a nameFilters, \a filters, and \a sort
+    arguments.
+
+    Returns an empty list if the directory is unreadable, does not
+    exist, or if nothing matches the specification.
+
+    \sa entryList(), setNameFilters(), setSorting(), setFilter(), isReadable(), exists()
+*/
+
+QFileInfoList QDir::entryInfoList(const QStringList &nameFilters, Filters filters,
+                                  SortFlags sort) const
+{
+    Q_D(const QDir);
+
+    if (filters == NoFilter)
+        filters = d->data->filters;
+#ifdef QT3_SUPPORT
+    if (d->matchAllDirs)
+        filters |= AllDirs;
+#endif
+    if (sort == NoSort)
+        sort = d->data->sort;
+    if (filters == NoFilter && sort == NoSort && nameFilters == d->data->nameFilters) {
+        d->updateFileLists();
+        return d->data->fileInfos;
+    }
+    QFileInfoList ret;
+    QStringList l = d->data->fileEngine->entryList(filters, nameFilters);
+    d->sortFileList(sort, l, 0, &ret);
+    return ret;
+}
+
+/*!
+    Creates a sub-directory called \a dirName.
+
+    Returns true on success; otherwise returns false.
+
+    \sa rmdir()
+*/
+
+bool QDir::mkdir(const QString &dirName) const
+{
+    Q_D(const QDir);
+
+    if (dirName.isEmpty()) {
+        qWarning("QDir::mkdir: Empty or null file name(s)");
+        return false;
+    }
+    if(!d->data->fileEngine)
+        return false;
+
+    QString fn = filePath(dirName);
+    return d->data->fileEngine->mkdir(fn, false);
+}
+
+/*!
+    Removes the directory specified by \a dirName.
+
+    The directory must be empty for rmdir() to succeed.
+
+    Returns true if successful; otherwise returns false.
+
+    \sa mkdir()
+*/
+
+bool QDir::rmdir(const QString &dirName) const
+{
+    Q_D(const QDir);
+
+    if (dirName.isEmpty()) {
+        qWarning("QDir::rmdir: Empty or null file name(s)");
+        return false;
+    }
+    if(!d->data->fileEngine)
+        return false;
+
+    QString fn = filePath(dirName);
+    return d->data->fileEngine->rmdir(fn, false);
+}
+
+/*!
+    Creates the directory path \a dirPath.
+
+    The function will create all parent directories necessary to
+    create the directory.
+
+    Returns true if successful; otherwise returns false.
+
+    \sa rmpath()
+*/
+
+bool QDir::mkpath(const QString &dirPath) const
+{
+    Q_D(const QDir);
+
+    if (dirPath.isEmpty()) {
+        qWarning("QDir::mkpath: Empty or null file name(s)");
+        return false;
+    }
+    if(!d->data->fileEngine)
+        return false;
+
+    QString fn = filePath(dirPath);
+    return d->data->fileEngine->mkdir(fn, true);
+}
+
+/*!
+    Removes the directory path \a dirPath.
+
+    The function will remove all parent directories in \a dirPath,
+    provided that they are empty. This is the opposite of
+    mkpath(dirPath).
+
+    Returns true if successful; otherwise returns false.
+
+    \sa mkpath()
+*/
+bool QDir::rmpath(const QString &dirPath) const
+{
+    Q_D(const QDir);
+
+    if (dirPath.isEmpty()) {
+        qWarning("QDir::rmpath: Empty or null file name(s)");
+        return false;
+    }
+    if(!d->data->fileEngine)
+        return false;
+
+    QString fn = filePath(dirPath);
+    return d->data->fileEngine->rmdir(fn, true);
+}
+
+/*!
+    Returns true if the directory is readable \e and we can open files
+    by name; otherwise returns false.
+
+    \warning A false value from this function is not a guarantee that
+    files in the directory are not accessible.
+
+    \sa QFileInfo::isReadable()
+*/
+
+
+bool QDir::isReadable() const
+{
+    Q_D(const QDir);
+
+    if(!d->data->fileEngine)
+        return false;
+    const QAbstractFileEngine::FileFlags info = d->data->fileEngine->fileFlags(QAbstractFileEngine::DirectoryType
+                                                                       |QAbstractFileEngine::PermsMask);
+    if(!(info & QAbstractFileEngine::DirectoryType))
+        return false;
+    return info & QAbstractFileEngine::ReadUserPerm;
+}
+
+/*!
+    \overload
+
+    Returns true if the \e directory exists; otherwise returns false.
+    (If a file with the same name is found this function will return
+    false).
+
+    \sa QFileInfo::exists(), QFile::exists()
+*/
+
+bool QDir::exists() const
+{
+    Q_D(const QDir);
+
+    if(!d->data->fileEngine)
+        return false;
+    const QAbstractFileEngine::FileFlags info =
+        d->data->fileEngine->fileFlags(
+            QAbstractFileEngine::DirectoryType
+            | QAbstractFileEngine::ExistsFlag
+            | QAbstractFileEngine::Refresh);
+    if(!(info & QAbstractFileEngine::DirectoryType))
+        return false;
+    return info & QAbstractFileEngine::ExistsFlag;
+}
+
+/*!
+    Returns true if the directory is the root directory; otherwise
+    returns false.
+
+    Note: If the directory is a symbolic link to the root directory
+    this function returns false. If you want to test for this use
+    canonicalPath(), e.g.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 9
+
+    \sa root(), rootPath()
+*/
+
+bool QDir::isRoot() const
+{
+    Q_D(const QDir);
+
+    if(!d->data->fileEngine)
+        return true;
+    return d->data->fileEngine->fileFlags(QAbstractFileEngine::FlagsMask) & QAbstractFileEngine::RootFlag;
+}
+
+/*!
+    \fn bool QDir::isAbsolute() const
+
+    Returns true if the directory's path is absolute; otherwise
+    returns false. See isAbsolutePath().
+
+    \sa isRelative() makeAbsolute() cleanPath()
+*/
+
+/*!
+   \fn bool QDir::isAbsolutePath(const QString &)
+
+    Returns true if \a path is absolute; returns false if it is
+    relative.
+
+    \sa isAbsolute() isRelativePath() makeAbsolute() cleanPath()
+*/
+
+/*!
+    Returns true if the directory path is relative; otherwise returns
+    false. (Under Unix a path is relative if it does not start with a
+    "/").
+
+    \sa makeAbsolute() isAbsolute() isAbsolutePath() cleanPath()
+*/
+
+bool QDir::isRelative() const
+{
+    Q_D(const QDir);
+
+    if(!d->data->fileEngine)
+        return false;
+    return d->data->fileEngine->isRelativePath();
+}
+
+
+/*!
+    Converts the directory path to an absolute path. If it is already
+    absolute nothing happens. Returns true if the conversion
+    succeeded; otherwise returns false.
+
+    \sa isAbsolute() isAbsolutePath() isRelative() cleanPath()
+*/
+
+bool QDir::makeAbsolute() // ### What do the return values signify?
+{
+    Q_D(QDir);
+
+    if(!d->data->fileEngine)
+        return false;
+    QString absolutePath = d->data->fileEngine->fileName(QAbstractFileEngine::AbsoluteName);
+    if(QDir::isRelativePath(absolutePath))
+        return false;
+    d->detach();
+    d->data->path = absolutePath;
+    d->data->fileEngine->setFileName(absolutePath);
+    if(!(d->data->fileEngine->fileFlags(QAbstractFileEngine::TypesMask) & QAbstractFileEngine::DirectoryType))
+        return false;
+    return true;
+}
+
+/*!
+    Returns true if directory \a dir and this directory have the same
+    path and their sort and filter settings are the same; otherwise
+    returns false.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 10
+*/
+
+bool QDir::operator==(const QDir &dir) const
+{
+    const QDirPrivate *d = d_func();
+    const QDirPrivate *other = dir.d_func();
+
+    if(d->data == other->data)
+        return true;
+    Q_ASSERT(d->data->fileEngine && other->data->fileEngine);
+    if(d->data->fileEngine->caseSensitive() != other->data->fileEngine->caseSensitive())
+        return false;
+    if(d->data->filters == other->data->filters
+       && d->data->sort == other->data->sort
+       && d->data->nameFilters == other->data->nameFilters) {
+        QString dir1 = absolutePath(), dir2 = dir.absolutePath();
+        if(!other->data->fileEngine->caseSensitive())
+            return (dir1.toLower() == dir2.toLower());
+
+        return (dir1 == dir2);
+
+    }
+    return false;
+}
+
+/*!
+    Makes a copy of the \a dir object and assigns it to this QDir
+    object.
+*/
+
+QDir &QDir::operator=(const QDir &dir)
+{
+    if (this == &dir)
+        return *this;
+
+    Q_D(QDir);
+    qAtomicAssign(d->data, dir.d_func()->data);
+    return *this;
+}
+
+/*!
+    \overload
+    \obsolete
+
+    Sets the directory path to the given \a path.
+
+    Use setPath() instead.
+*/
+
+QDir &QDir::operator=(const QString &path)
+{
+    Q_D(QDir);
+
+    d->setPath(path);
+    return *this;
+}
+
+/*!
+    \fn bool QDir::operator!=(const QDir &dir) const
+
+    Returns true if directory \a dir and this directory have different
+    paths or different sort or filter settings; otherwise returns
+    false.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 11
+*/
+
+
+/*!
+    Removes the file, \a fileName.
+
+    Returns true if the file is removed successfully; otherwise
+    returns false.
+*/
+
+bool QDir::remove(const QString &fileName)
+{
+    if (fileName.isEmpty()) {
+        qWarning("QDir::remove: Empty or null file name");
+        return false;
+    }
+    QString p = filePath(fileName);
+    return QFile::remove(p);
+}
+
+/*!
+    Renames a file or directory from \a oldName to \a newName, and returns
+    true if successful; otherwise returns false.
+
+    On most file systems, rename() fails only if \a oldName does not
+    exist, if \a newName and \a oldName are not on the same
+    partition or if a file with the new name already exists.
+    However, there are also other reasons why rename() can
+    fail. For example, on at least one file system rename() fails if
+    \a newName points to an open file.
+*/
+
+bool QDir::rename(const QString &oldName, const QString &newName)
+{
+    Q_D(QDir);
+
+    if (oldName.isEmpty() || newName.isEmpty()) {
+        qWarning("QDir::rename: Empty or null file name(s)");
+        return false;
+    }
+    if(!d->data->fileEngine)
+        return false;
+
+    QFile file(filePath(oldName));
+    if(!file.exists())
+        return false;
+    return file.rename(filePath(newName));
+}
+
+/*!
+    Returns true if the file called \a name exists; otherwise returns
+    false. Unless \a name contains an absolute file path, the file
+    name is assumed to be relative to the current directory.
+
+    \sa QFileInfo::exists(), QFile::exists()
+*/
+
+bool QDir::exists(const QString &name) const
+{
+    if (name.isEmpty()) {
+        qWarning("QDir::exists: Empty or null file name");
+        return false;
+    }
+    QString tmp = filePath(name);
+    return QFile::exists(tmp);
+}
+
+/*!
+    Returns a list of the root directories on this system.
+
+    On Windows this returns a list of QFileInfo objects containing "C:/",
+    "D:/", etc. On other operating systems, it returns a list containing
+    just one root directory (i.e. "/").
+
+    \sa root(), rootPath()
+*/
+
+QFileInfoList QDir::drives()
+{
+#ifdef QT_NO_FSFILEENGINE
+    return QFileInfoList();
+#else
+    return QFSFileEngine::drives();
+#endif
+}
+
+/*!
+    Returns the native directory separator: "/" under Unix (including
+    Mac OS X) and "\\" under Windows.
+
+    You do not need to use this function to build file paths. If you
+    always use "/", Qt will translate your paths to conform to the
+    underlying operating system. If you want to display paths to the
+    user using their operating system's separator use
+    toNativeSeparators().
+*/
+
+QChar QDir::separator()
+{
+#if defined(Q_OS_UNIX)
+    return QLatin1Char('/');
+#elif defined (Q_FS_FAT) || defined(Q_WS_WIN)
+    return QLatin1Char('\\');
+#elif defined (Q_OS_MAC)
+    return QLatin1Char(':');
+#else
+    return QLatin1Char('/');
+#endif
+}
+
+/*!
+    Sets the application's current working directory to \a path.
+    Returns true if the directory was successfully changed; otherwise
+    returns false.
+
+    \sa current() currentPath() home() root() temp()
+*/
+
+bool QDir::setCurrent(const QString &path)
+{
+#ifdef QT_NO_FSFILEENGINE
+    Q_UNUSED(path);
+    return false;
+#else
+    return QFSFileEngine::setCurrentPath(path);
+#endif
+}
+
+/*!
+    \fn QDir QDir::current()
+
+    Returns the application's current directory.
+
+    The directory is constructed using the absolute path of the current directory,
+    ensuring that its path() will be the same as its absolutePath().
+
+    \sa currentPath(), home(), root(), temp()
+*/
+
+/*!
+    Returns the absolute path of the application's current directory.
+
+    \sa current(), homePath(), rootPath(), tempPath()
+*/
+QString QDir::currentPath()
+{
+#ifdef QT_NO_FSFILEENGINE
+    return QString();
+#else
+    return QFSFileEngine::currentPath();
+#endif
+}
+
+/*!
+  \fn QString QDir::currentDirPath()
+    Returns the absolute path of the application's current directory.
+
+    Use currentPath() instead.
+
+    \sa currentPath()
+*/
+
+/*!
+    \fn QDir QDir::home()
+
+    Returns the user's home directory.
+
+    The directory is constructed using the absolute path of the home directory,
+    ensuring that its path() will be the same as its absolutePath().
+
+    See homePath() for details.
+
+    \sa drives(), current(), root(), temp()
+*/
+
+/*!
+    Returns the absolute path of the user's home directory.
+
+    Under Windows this function will return the directory of the
+    current user's profile. Typically, this is:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 12
+
+    Use the toNativeSeparators() function to convert the separators to
+    the ones that are appropriate for the underlying operating system.
+
+    If the directory of the current user's profile does not exist or
+    cannot be retrieved, the following alternatives will be checked (in
+    the given order) until an existing and available path is found:
+
+    \list 1
+    \o The path specified by the \c USERPROFILE environment variable.
+    \o The path formed by concatenating the \c HOMEDRIVE and \c HOMEPATH
+    environment variables.
+    \o The path specified by the \c HOME environment variable.
+    \o The path returned by the rootPath() function (which uses the \c SystemDrive
+    environment variable)
+    \o  The \c{C:/} directory.
+    \endlist
+
+    Under non-Windows operating systems the \c HOME environment
+    variable is used if it exists, otherwise the path returned by the
+    rootPath() function is used.
+
+    \sa home(), currentPath(), rootPath(), tempPath()
+*/
+QString QDir::homePath()
+{
+#ifdef QT_NO_FSFILEENGINE
+    return QString();
+#else
+    return cleanPath(QFSFileEngine::homePath());
+#endif
+}
+
+/*!
+  \fn QString QDir::homeDirPath()
+
+  Returns the absolute path of the user's home directory.
+
+  Use homePath() instead.
+
+  \sa homePath()
+ */
+
+/*!
+    \fn QDir QDir::temp()
+
+    Returns the system's temporary directory.
+
+    The directory is constructed using the absolute path of the temporary directory,
+    ensuring that its path() will be the same as its absolutePath().
+
+    See tempPath() for details.
+
+    \sa drives(), current(), home(), root()
+*/
+
+/*!
+    Returns the absolute path of the system's temporary directory.
+
+    On Unix/Linux systems this is usually \c{/tmp}; on Windows this is
+    usually the path in the \c TEMP or \c TMP environment
+    variable. Whether a directory separator is added to the end or
+    not, depends on the operating system.
+
+    \sa temp(), currentPath(), homePath(), rootPath()
+*/
+QString QDir::tempPath()
+{
+#ifdef QT_NO_FSFILEENGINE
+    return QString();
+#else
+    return cleanPath(QFSFileEngine::tempPath());
+#endif
+}
+
+/*!
+    \fn QDir QDir::root()
+
+    Returns the root directory.
+
+    The directory is constructed using the absolute path of the root directory,
+    ensuring that its path() will be the same as its absolutePath().
+
+    See rootPath() for details.
+
+    \sa drives(), current(), home(), temp()
+*/
+
+/*!
+    Returns the absolute path of the root directory.
+
+    For Unix operating systems this returns "/". For Windows file
+    systems this normally returns "c:/".
+
+    \sa root(), drives(), currentPath(), homePath(), tempPath()
+*/
+QString QDir::rootPath()
+{
+#ifdef QT_NO_FSFILEENGINE
+    return QString();
+#else
+    return QFSFileEngine::rootPath();
+#endif
+}
+
+/*!
+  \fn QString QDir::rootDirPath()
+
+  Returns the absolute path of the root directory.
+
+  Use rootPath() instead.
+
+  \sa rootPath()
+*/
+
+#ifndef QT_NO_REGEXP
+/*!
+    \overload
+
+    Returns true if the \a fileName matches any of the wildcard (glob)
+    patterns in the list of \a filters; otherwise returns false. The
+    matching is case insensitive.
+
+    \sa {QRegExp wildcard matching}, QRegExp::exactMatch() entryList() entryInfoList()
+*/
+
+
+bool QDir::match(const QStringList &filters, const QString &fileName)
+{
+    for(QStringList::ConstIterator sit = filters.begin(); sit != filters.end(); ++sit) {
+        QRegExp rx(*sit, Qt::CaseInsensitive, QRegExp::Wildcard);
+        if (rx.exactMatch(fileName))
+            return true;
+    }
+    return false;
+}
+
+/*!
+    Returns true if the \a fileName matches the wildcard (glob)
+    pattern \a filter; otherwise returns false. The \a filter may
+    contain multiple patterns separated by spaces or semicolons.
+    The matching is case insensitive.
+
+    \sa {QRegExp wildcard matching}, QRegExp::exactMatch() entryList() entryInfoList()
+*/
+
+bool QDir::match(const QString &filter, const QString &fileName)
+{
+    return match(nameFiltersFromString(filter), fileName);
+}
+#endif
+
+/*!
+    Removes all multiple directory separators "/" and resolves any
+    "."s or ".."s found in the path, \a path.
+
+    Symbolic links are kept. This function does not return the
+    canonical path, but rather the simplest version of the input.
+    For example, "./local" becomes "local", "local/../bin" becomes
+    "bin" and "/local/usr/../bin" becomes "/local/bin".
+
+    \sa absolutePath() canonicalPath()
+*/
+
+QString QDir::cleanPath(const QString &path)
+{
+    if (path.isEmpty())
+        return path;
+    QString name = path;
+    QChar dir_separator = separator();
+    if(dir_separator != QLatin1Char('/'))
+	name.replace(dir_separator, QLatin1Char('/'));
+
+    int used = 0, levels = 0;
+    const int len = name.length();
+    QVector<QChar> out(len);
+    const QChar *p = name.unicode();
+    for(int i = 0, last = -1, iwrite = 0; i < len; i++) {
+        if(p[i] == QLatin1Char('/')) {
+            while(i < len-1 && p[i+1] == QLatin1Char('/')) {
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) //allow unc paths
+                if(!i)
+                    break;
+#endif
+                i++;
+            }
+            bool eaten = false;
+            if(i < len - 1 && p[i+1] == QLatin1Char('.')) {
+                int dotcount = 1;
+                if(i < len - 2 && p[i+2] == QLatin1Char('.'))
+                    dotcount++;
+                if(i == len - dotcount - 1) {
+                    if(dotcount == 1) {
+                        break;
+                    } else if(levels) {
+                        if(last == -1) {
+                            for(int i2 = iwrite-1; i2 >= 0; i2--) {
+                                if(out[i2] == QLatin1Char('/')) {
+                                    last = i2;
+                                    break;
+                                }
+                            }
+                        }
+                        used -= iwrite - last - 1;
+                        break;
+                    }
+                } else if(p[i+dotcount+1] == QLatin1Char('/')) {
+                    if(dotcount == 2 && levels) {
+                        if(last == -1 || iwrite - last == 1) {
+                            for(int i2 = (last == -1) ? (iwrite-1) : (last-1); i2 >= 0; i2--) {
+                                if(out[i2] == QLatin1Char('/')) {
+                                    eaten = true;
+                                    last = i2;
+                                    break;
+                                }
+                            }
+                        } else {
+                            eaten = true;
+                        }
+                        if(eaten) {
+                            levels--;
+                            used -= iwrite - last;
+                            iwrite = last;
+                            last = -1;
+                        }
+                    } else if (dotcount == 2 && i > 0 && p[i - 1] != QLatin1Char('.')) {
+                        eaten = true;
+                        used -= iwrite - qMax(0, last);
+                        iwrite = qMax(0, last);
+                        last = -1;
+                        ++i;
+                    } else if(dotcount == 1) {
+                        eaten = true;
+                    }
+                    if(eaten)
+                        i += dotcount;
+                } else {
+                    levels++;
+                }
+            } else if(last != -1 && iwrite - last == 1) {
+#ifdef Q_OS_WIN
+                eaten = (iwrite > 2);
+#else
+                eaten = true;
+#endif
+                last = -1;
+            } else if(last != -1 && i == len-1) {
+                eaten = true;
+            } else {
+                levels++;
+            }
+            if(!eaten)
+                last = i - (i - iwrite);
+            else
+                continue;
+        } else if(!i && p[i] == QLatin1Char('.')) {
+            int dotcount = 1;
+            if(len >= 1 && p[1] == QLatin1Char('.'))
+                dotcount++;
+            if(len >= dotcount && p[dotcount] == QLatin1Char('/')) {
+                if(dotcount == 1) {
+                    i++;
+                    while(i+1 < len-1 && p[i+1] == QLatin1Char('/'))
+                        i++;
+                    continue;
+                }
+            }
+        }
+        out[iwrite++] = p[i];
+        used++;
+    }
+    QString ret;
+    if(used == len)
+        ret = name;
+    else
+	ret = QString(out.data(), used);
+
+    // Strip away last slash except for root directories
+    if (ret.endsWith(QLatin1Char('/'))
+        && !(ret.size() == 1 || (ret.size() == 3 && ret.at(1) == QLatin1Char(':'))))
+        ret = ret.left(ret.length() - 1);
+
+    return ret;
+}
+
+/*!
+    Returns true if \a path is relative; returns false if it is
+    absolute.
+
+    \sa isRelative() isAbsolutePath() makeAbsolute()
+*/
+
+bool QDir::isRelativePath(const QString &path)
+{
+    return QFileInfo(path).isRelative();
+}
+
+/*!
+    Refreshes the directory information.
+*/
+
+void QDir::refresh() const
+{
+    Q_D(const QDir);
+
+    d->data->clear();
+}
+
+/*!
+    \internal
+
+    Returns a list of name filters from the given \a nameFilter. (If
+    there is more than one filter, each pair of filters is separated
+    by a space or by a semicolon.)
+*/
+
+QStringList QDir::nameFiltersFromString(const QString &nameFilter)
+{
+    return QDirPrivate::splitFilters(nameFilter);
+}
+
+/*!
+    \macro void Q_INIT_RESOURCE(name)
+    \relates QDir
+
+    Initializes the resources specified by the \c .qrc file with the
+    specified base \a name. Normally, Qt resources are loaded
+    automatically at startup. The Q_INIT_RESOURCE() macro is
+    necessary on some platforms for resources stored in a static
+    library.
+
+    For example, if your application's resources are listed in a file
+    called \c myapp.qrc, you can ensure that the resources are
+    initialized at startup by adding this line to your \c main()
+    function:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 13
+
+    If the file name contains characters that cannot be part of a valid C++ function name 
+    (such as '-'), they have to be replaced by the underscore character ('_').
+
+    Note: This macro cannot be used in a namespace. It should be called from
+    main(). If that is not possible, the following workaround can be used
+    to init the resource \c myapp from the function \c{MyNamespace::myFunction}:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 14
+
+    \sa Q_CLEANUP_RESOURCE(), {The Qt Resource System}
+*/
+
+/*!
+    \since 4.1
+    \macro void Q_CLEANUP_RESOURCE(name)
+    \relates QDir
+
+    Unloads the resources specified by the \c .qrc file with the base
+    name \a name.
+
+    Normally, Qt resources are unloaded automatically when the
+    application terminates, but if the resources are located in a
+    plugin that is being unloaded, call Q_CLEANUP_RESOURCE() to force
+    removal of your resources.
+
+    Note: This macro cannot be used in a namespace. Please see the
+    Q_INIT_RESOURCE documentation for a workaround.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdir.cpp 15
+
+    \sa Q_INIT_RESOURCE(), {The Qt Resource System}
+*/
+
+#ifdef QT3_SUPPORT
+
+/*!
+    \fn bool QDir::matchAllDirs() const
+
+    Use filter() & AllDirs instead.
+*/
+bool QDir::matchAllDirs() const
+{
+    Q_D(const QDir);
+    return d->matchAllDirs;
+}
+
+
+/*!
+    \fn void QDir::setMatchAllDirs(bool on)
+
+    Use setFilter() instead.
+*/
+void QDir::setMatchAllDirs(bool on)
+{
+    Q_D(QDir);
+    d->matchAllDirs = on;
+}
+
+/*!
+    Use nameFilters() instead.
+*/
+QString QDir::nameFilter() const
+{
+    Q_D(const QDir);
+
+    return nameFilters().join(QString(d->filterSepChar));
+}
+
+/*!
+    Use setNameFilters() instead.
+
+    The \a nameFilter is a wildcard (globbing) filter that understands
+    "*" and "?" wildcards. (See \l{QRegExp wildcard matching}.) You may
+    specify several filter entries, each separated by spaces or by
+    semicolons.
+
+    For example, if you want entryList() and entryInfoList() to list
+    all files ending with either ".cpp" or ".h", you would use either
+    dir.setNameFilters("*.cpp *.h") or dir.setNameFilters("*.cpp;*.h").
+
+    \oldcode
+        QString filter = "*.cpp *.cxx *.cc";
+        dir.setNameFilter(filter);
+    \newcode
+        QString filter = "*.cpp *.cxx *.cc";
+        dir.setNameFilters(filter.split(' '));
+    \endcode
+*/
+void QDir::setNameFilter(const QString &nameFilter)
+{
+    Q_D(QDir);
+
+    d->filterSepChar = QDirPrivate::getFilterSepChar(nameFilter);
+    setNameFilters(QDirPrivate::splitFilters(nameFilter, d->filterSepChar));
+}
+
+/*!
+    \fn QString QDir::absPath() const
+
+    Use absolutePath() instead.
+*/
+
+/*!
+    \fn QString QDir::absFilePath(const QString &fileName, bool acceptAbsPath) const
+
+    Use absoluteFilePath(\a fileName) instead.
+
+    The \a acceptAbsPath parameter is ignored.
+*/
+
+/*!
+    \fn bool QDir::mkdir(const QString &dirName, bool acceptAbsPath) const
+
+    Use mkdir(\a dirName) instead.
+
+    The \a acceptAbsPath parameter is ignored.
+*/
+
+/*!
+    \fn bool QDir::rmdir(const QString &dirName, bool acceptAbsPath) const
+
+    Use rmdir(\a dirName) instead.
+
+    The \a acceptAbsPath parameter is ignored.
+*/
+
+/*!
+    \fn QStringList QDir::entryList(const QString &nameFilter, Filters filters,
+                                    SortFlags sort) const
+    \overload
+
+    Use the overload that takes a name filter string list as first
+    argument instead of a combination of attribute filter flags.
+*/
+
+/*!
+    \fn QFileInfoList QDir::entryInfoList(const QString &nameFilter, Filters filters,
+                                          SortFlags sort) const
+    \overload
+
+    Use the overload that takes a name filter string list as first
+    argument instead of a combination of attribute filter flags.
+*/
+
+/*!
+    \fn void QDir::convertToAbs()
+
+    Use makeAbsolute() instead.
+*/
+
+/*!
+    \fn QString QDir::cleanDirPath(const QString &name)
+
+    Use cleanPath() instead.
+*/
+
+/*!
+    \typedef QDir::FilterSpec
+
+    Use QDir::Filters instead.
+*/
+
+/*!
+    \typedef QDir::SortSpec
+
+    Use QDir::SortFlags instead.
+*/
+#endif
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug debug, QDir::Filters filters)
+{
+    QStringList flags;
+    if (filters == QDir::NoFilter) {
+        flags << QLatin1String("NoFilter");
+    } else {
+        if (filters & QDir::Dirs) flags << QLatin1String("Dirs");
+        if (filters & QDir::AllDirs) flags << QLatin1String("AllDirs");
+        if (filters & QDir::Files) flags << QLatin1String("Files");
+        if (filters & QDir::Drives) flags << QLatin1String("Drives");
+        if (filters & QDir::NoSymLinks) flags << QLatin1String("NoSymLinks");
+        if (filters & QDir::NoDotAndDotDot) flags << QLatin1String("NoDotAndDotDot");
+        if ((filters & QDir::AllEntries) == QDir::AllEntries) flags << QLatin1String("AllEntries");
+        if (filters & QDir::Readable) flags << QLatin1String("Readable");
+        if (filters & QDir::Writable) flags << QLatin1String("Writable");
+        if (filters & QDir::Executable) flags << QLatin1String("Executable");
+        if (filters & QDir::Modified) flags << QLatin1String("Modified");
+        if (filters & QDir::Hidden) flags << QLatin1String("Hidden");
+        if (filters & QDir::System) flags << QLatin1String("System");
+        if (filters & QDir::CaseSensitive) flags << QLatin1String("CaseSensitive");
+    }
+    debug << "QDir::Filters(" << qPrintable(flags.join(QLatin1String("|"))) << ")";
+    return debug;
+}
+
+QDebug operator<<(QDebug debug, QDir::SortFlags sorting)
+{
+    if (sorting == QDir::NoSort) {
+        debug << "QDir::SortFlags(NoSort)";
+    } else {
+        QString type;
+        if ((sorting & 3) == QDir::Name) type = QLatin1String("Name");
+        if ((sorting & 3) == QDir::Time) type = QLatin1String("Time");
+        if ((sorting & 3) == QDir::Size) type = QLatin1String("Size");
+        if ((sorting & 3) == QDir::Unsorted) type = QLatin1String("Unsorted");
+
+        QStringList flags;
+        if (sorting & QDir::DirsFirst) flags << QLatin1String("DirsFirst");
+        if (sorting & QDir::DirsLast) flags << QLatin1String("DirsLast");
+        if (sorting & QDir::IgnoreCase) flags << QLatin1String("IgnoreCase");
+        if (sorting & QDir::LocaleAware) flags << QLatin1String("LocaleAware");
+        if (sorting & QDir::Type) flags << QLatin1String("Type");
+        debug << "QDir::SortFlags(" << qPrintable(type)
+              << "|"
+              << qPrintable(flags.join(QLatin1String("|"))) << ")";
+    }
+    return debug;
+}
+
+QDebug operator<<(QDebug debug, const QDir &dir)
+{
+    debug.maybeSpace() << "QDir(" << dir.path()
+                       << ", nameFilters = {"
+                       << qPrintable(dir.nameFilters().join(QLatin1String(",")))
+                       << "}, "
+                       << dir.sorting()
+                       << ","
+                       << dir.filter()
+                       << ")";
+    return debug.space();
+}
+
+
+
+#endif
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qdir.h b/src/corelib/io/qdir.h
new file mode 100644
index 0000000000..c4f6b1a9e8
--- /dev/null
+++ b/src/corelib/io/qdir.h
@@ -0,0 +1,264 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDIR_H
+#define QDIR_H
+
+#include <QtCore/qstring.h>
+#include <QtCore/qfileinfo.h>
+#include <QtCore/qstringlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QDirPrivate;
+
+class Q_CORE_EXPORT QDir
+{
+protected:
+    QDirPrivate *d_ptr;
+private:
+    Q_DECLARE_PRIVATE(QDir)
+public:
+    enum Filter { Dirs        = 0x001,
+                  Files       = 0x002,
+                  Drives      = 0x004,
+                  NoSymLinks  = 0x008,
+                  AllEntries  = Dirs | Files | Drives,
+                  TypeMask    = 0x00f,
+#ifdef QT3_SUPPORT
+                  All         = AllEntries,
+#endif
+
+                  Readable    = 0x010,
+                  Writable    = 0x020,
+                  Executable  = 0x040,
+                  PermissionMask    = 0x070,
+#ifdef QT3_SUPPORT
+                  RWEMask     = 0x070,
+#endif
+
+                  Modified    = 0x080,
+                  Hidden      = 0x100,
+                  System      = 0x200,
+                 
+                  AccessMask  = 0x3F0,
+
+                  AllDirs       = 0x400,
+                  CaseSensitive = 0x800,
+                  NoDotAndDotDot = 0x1000,
+
+                  NoFilter = -1
+#ifdef QT3_SUPPORT
+                  ,DefaultFilter = NoFilter
+#endif
+    };
+    Q_DECLARE_FLAGS(Filters, Filter)
+#ifdef QT3_SUPPORT
+    typedef Filters FilterSpec;
+#endif
+
+    enum SortFlag { Name        = 0x00,
+                    Time        = 0x01,
+                    Size        = 0x02,
+                    Unsorted    = 0x03,
+                    SortByMask  = 0x03,
+
+                    DirsFirst   = 0x04,
+                    Reversed    = 0x08,
+                    IgnoreCase  = 0x10,
+                    DirsLast    = 0x20,
+                    LocaleAware = 0x40, 
+                    Type        = 0x80,
+                    NoSort = -1
+#ifdef QT3_SUPPORT
+                  ,DefaultSort = NoSort
+#endif
+    };
+    Q_DECLARE_FLAGS(SortFlags, SortFlag)
+
+    QDir(const QDir &);
+    QDir(const QString &path = QString());
+    QDir(const QString &path, const QString &nameFilter,
+         SortFlags sort = SortFlags(Name | IgnoreCase), Filters filter = AllEntries);
+    ~QDir();
+
+    QDir &operator=(const QDir &);
+    QDir &operator=(const QString &path);
+
+    void setPath(const QString &path);
+    QString path() const;
+    QString absolutePath() const;
+    QString canonicalPath() const;
+
+    static void addResourceSearchPath(const QString &path);
+
+    static void setSearchPaths(const QString &prefix, const QStringList &searchPaths);
+    static void addSearchPath(const QString &prefix, const QString &path);
+    static QStringList searchPaths(const QString &prefix);
+
+    QString dirName() const;
+    QString filePath(const QString &fileName) const;
+    QString absoluteFilePath(const QString &fileName) const;
+    QString relativeFilePath(const QString &fileName) const;
+
+#ifdef QT_DEPRECATED
+    QT_DEPRECATED static QString convertSeparators(const QString &pathName);
+#endif
+    static QString toNativeSeparators(const QString &pathName);
+    static QString fromNativeSeparators(const QString &pathName);
+
+    bool cd(const QString &dirName);
+    bool cdUp();
+
+    QStringList nameFilters() const;
+    void setNameFilters(const QStringList &nameFilters);
+
+    Filters filter() const;
+    void setFilter(Filters filter);
+    SortFlags sorting() const;
+    void setSorting(SortFlags sort);
+
+    uint count() const;
+    QString operator[](int) const;
+
+    static QStringList nameFiltersFromString(const QString &nameFilter);
+
+    QStringList entryList(Filters filters = NoFilter, SortFlags sort = NoSort) const;
+    QStringList entryList(const QStringList &nameFilters, Filters filters = NoFilter,
+                          SortFlags sort = NoSort) const;
+
+    QFileInfoList entryInfoList(Filters filters = NoFilter, SortFlags sort = NoSort) const;
+    QFileInfoList entryInfoList(const QStringList &nameFilters, Filters filters = NoFilter,
+                                SortFlags sort = NoSort) const;
+
+    bool mkdir(const QString &dirName) const;
+    bool rmdir(const QString &dirName) const;
+    bool mkpath(const QString &dirPath) const;
+    bool rmpath(const QString &dirPath) const;
+
+    bool isReadable() const;
+    bool exists() const;
+    bool isRoot() const;
+
+    static bool isRelativePath(const QString &path);
+    inline static bool isAbsolutePath(const QString &path) { return !isRelativePath(path); }
+    bool isRelative() const;
+    inline bool isAbsolute() const { return !isRelative(); }
+    bool makeAbsolute();
+
+    bool operator==(const QDir &dir) const;
+    inline bool operator!=(const QDir &dir) const {  return !operator==(dir); }
+
+    bool remove(const QString &fileName);
+    bool rename(const QString &oldName, const QString &newName);
+    bool exists(const QString &name) const;
+
+    static QFileInfoList drives();
+
+    static QChar separator();
+
+    static bool setCurrent(const QString &path);
+    static inline QDir current() { return QDir(currentPath()); }
+    static QString currentPath();
+
+    static inline QDir home() { return QDir(homePath()); }
+    static QString homePath();
+    static inline QDir root() { return QDir(rootPath()); }
+    static QString rootPath();
+    static inline QDir temp() { return QDir(tempPath()); }
+    static QString tempPath();
+
+#ifndef QT_NO_REGEXP
+    static bool match(const QStringList &filters, const QString &fileName);
+    static bool match(const QString &filter, const QString &fileName);
+#endif
+    static QString cleanPath(const QString &path);
+    void refresh() const;
+
+#ifdef QT3_SUPPORT
+    typedef SortFlags SortSpec;
+    inline QT3_SUPPORT QString absPath() const { return absolutePath(); }
+    inline QT3_SUPPORT QString absFilePath(const QString &fileName, bool acceptAbsPath = true) const
+       { Q_UNUSED(acceptAbsPath); return absoluteFilePath(fileName); }
+    QT3_SUPPORT bool matchAllDirs() const;
+    QT3_SUPPORT void setMatchAllDirs(bool on);
+    inline QT3_SUPPORT QStringList entryList(const QString &nameFilter, Filters filters = NoFilter,
+                                           SortFlags sort = NoSort) const
+    { return entryList(nameFiltersFromString(nameFilter), filters, sort); }
+    inline QT3_SUPPORT QFileInfoList entryInfoList(const QString &nameFilter,
+                                                 Filters filters = NoFilter,
+                                                 SortFlags sort = NoSort) const
+    { return entryInfoList(nameFiltersFromString(nameFilter), filters, sort); }
+
+    QT3_SUPPORT QString nameFilter() const;
+    QT3_SUPPORT void setNameFilter(const QString &nameFilter);
+
+    inline QT3_SUPPORT bool mkdir(const QString &dirName, bool acceptAbsPath) const
+        { Q_UNUSED(acceptAbsPath); return mkdir(dirName); }
+    inline QT3_SUPPORT bool rmdir(const QString &dirName, bool acceptAbsPath) const
+        { Q_UNUSED(acceptAbsPath); return rmdir(dirName); }
+
+    inline QT3_SUPPORT void convertToAbs() { makeAbsolute(); }
+    inline QT3_SUPPORT static QString currentDirPath() { return currentPath(); }
+    inline QT3_SUPPORT static QString homeDirPath() { return homePath(); }
+    inline QT3_SUPPORT static QString rootDirPath() { return rootPath(); }
+    inline QT3_SUPPORT static QString cleanDirPath(const QString &name) { return cleanPath(name); }
+#endif
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QDir::Filters)
+Q_DECLARE_OPERATORS_FOR_FLAGS(QDir::SortFlags)
+
+#ifndef QT_NO_DEBUG_STREAM
+class QDebug;
+Q_CORE_EXPORT QDebug operator<<(QDebug debug, QDir::Filters filters);
+Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QDir &dir);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QDIR_H
diff --git a/src/corelib/io/qdiriterator.cpp b/src/corelib/io/qdiriterator.cpp
new file mode 100644
index 0000000000..46c7dd8bec
--- /dev/null
+++ b/src/corelib/io/qdiriterator.cpp
@@ -0,0 +1,559 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \since 4.3
+    \class QDirIterator
+    \brief The QDirIterator class provides an iterator for directory entrylists.
+
+    You can use QDirIterator to navigate entries of a directory one at a time.
+    It is similar to QDir::entryList() and QDir::entryInfoList(), but because
+    it lists entries one at a time instead of all at once, it scales better
+    and is more suitable for large directories. It also supports listing
+    directory contents recursively, and following symbolic links. Unlike
+    QDir::entryList(), QDirIterator does not support sorting.
+
+    The QDirIterator constructor takes a QDir or a directory as
+    argument. After construction, the iterator is located before the first
+    directory entry. Here's how to iterate over all the entries sequentially:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qdiriterator.cpp 0
+
+    The next() function returns the path to the next directory entry and
+    advances the iterator. You can also call filePath() to get the current
+    file path without advancing the iterator.  The fileName() function returns
+    only the name of the file, similar to how QDir::entryList() works. You can
+    also call fileInfo() to get a QFileInfo for the current entry.
+
+    Unlike Qt's container iterators, QDirIterator is uni-directional (i.e.,
+    you cannot iterate directories in reverse order) and does not allow random
+    access.
+
+    QDirIterator works with all supported file engines, and is implemented
+    using QAbstractFileEngineIterator.
+
+    \sa QDir, QDir::entryList(), QAbstractFileEngineIterator
+*/
+
+/*! \enum QDirIterator::IteratorFlag
+
+    This enum describes flags that you can combine to configure the behavior
+    of QDirIterator.
+
+    \value NoIteratorFlags The default value, representing no flags. The
+    iterator will return entries for the assigned path.
+
+    \value Subdirectories List entries inside all subdirectories as well.
+
+    \value FollowSymlinks When combined with Subdirectories, this flag
+    enables iterating through all subdirectories of the assigned path,
+    following all symbolic links. Symbolic link loops (e.g., "link" => "." or
+    "link" => "..") are automatically detected and ignored.
+*/
+
+#include "qdiriterator.h"
+
+#include "qabstractfileengine.h"
+
+#include <QtCore/qset.h>
+#include <QtCore/qstack.h>
+#include <QtCore/qvariant.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDirIteratorPrivate
+{
+public:
+    QDirIteratorPrivate(const QString &path, const QStringList &nameFilters,
+                        QDir::Filters filters, QDirIterator::IteratorFlags flags);
+    ~QDirIteratorPrivate();
+
+    void pushSubDirectory(const QString &path, const QStringList &nameFilters,
+                          QDir::Filters filters);
+    void advance();
+    bool shouldFollowDirectory(const QFileInfo &);
+    bool matchesFilters(const QAbstractFileEngineIterator *it) const;
+
+    QSet<QString> visitedLinks;
+    QAbstractFileEngine *engine;
+    QStack<QAbstractFileEngineIterator *> fileEngineIterators;
+    QString path;
+    QFileInfo fileInfo;
+    QString currentFilePath;
+    QDirIterator::IteratorFlags iteratorFlags;
+    QDir::Filters filters;
+    QStringList nameFilters;
+    bool followNextDir;
+    bool first;
+    bool done;
+
+    QDirIterator *q;
+};
+
+/*!
+    \internal
+*/
+QDirIteratorPrivate::QDirIteratorPrivate(const QString &path, const QStringList &nameFilters,
+                                         QDir::Filters filters, QDirIterator::IteratorFlags flags)
+    : engine(0), path(path), iteratorFlags(flags), followNextDir(false), first(true), done(false)
+{
+    if (filters == QDir::NoFilter)
+        filters = QDir::AllEntries;
+    this->filters = filters;
+    this->nameFilters = nameFilters;
+
+    fileInfo.setFile(path);
+    pushSubDirectory(fileInfo.isSymLink() ? fileInfo.canonicalFilePath() : path,
+                     nameFilters, filters);
+}
+
+/*!
+    \internal
+*/
+QDirIteratorPrivate::~QDirIteratorPrivate()
+{
+    delete engine;
+}
+
+/*!
+    \internal
+*/
+void QDirIteratorPrivate::pushSubDirectory(const QString &path, const QStringList &nameFilters,
+                                           QDir::Filters filters)
+{
+    if (iteratorFlags & QDirIterator::FollowSymlinks) {
+        if (fileInfo.filePath() != path)
+            fileInfo.setFile(path);
+        if (fileInfo.isSymLink()) {
+            visitedLinks << fileInfo.canonicalFilePath();
+        } else {
+            visitedLinks << fileInfo.absoluteFilePath();
+        }
+    }
+    
+    if (engine || (engine = QAbstractFileEngine::create(this->path))) {
+        engine->setFileName(path);
+        QAbstractFileEngineIterator *it = engine->beginEntryList(filters, nameFilters);
+        if (it) {
+            it->setPath(path);
+            fileEngineIterators << it;
+        } else {
+            // No iterator; no entry list.
+        }
+    }
+}
+
+/*!
+    \internal
+*/
+void QDirIteratorPrivate::advance()
+{
+    // Store the current entry
+    if (!fileEngineIterators.isEmpty())
+        currentFilePath = fileEngineIterators.top()->currentFilePath();
+
+    // Advance to the next entry
+    if (followNextDir) {
+        // Start by navigating into the current directory.
+        followNextDir = false;
+
+        QAbstractFileEngineIterator *it = fileEngineIterators.top();
+
+        QString subDir = it->currentFilePath();
+#ifdef Q_OS_WIN
+        if (fileInfo.isSymLink())
+            subDir = fileInfo.canonicalFilePath();
+#endif
+        pushSubDirectory(subDir, it->nameFilters(), it->filters());
+    }
+
+    while (!fileEngineIterators.isEmpty()) {
+        QAbstractFileEngineIterator *it = fileEngineIterators.top();
+
+        // Find the next valid iterator that matches the filters.
+        bool foundDirectory = false;
+        while (it->hasNext()) {
+            it->next();
+            if (matchesFilters(it)) {
+                fileInfo = it->currentFileInfo();
+                // Signal that we want to follow this entry.
+                followNextDir = shouldFollowDirectory(fileInfo);
+                
+                //We found a matching entry.
+                return;
+
+            } else if (iteratorFlags & QDirIterator::Subdirectories) {
+                QFileInfo fileInfo = it->currentFileInfo();
+                if (!shouldFollowDirectory(fileInfo))
+                    continue;
+                QString subDir = it->currentFilePath();
+#ifdef Q_OS_WIN
+                if (fileInfo.isSymLink())
+                    subDir = fileInfo.canonicalFilePath();
+#endif
+                pushSubDirectory(subDir, it->nameFilters(), it->filters());
+                
+                foundDirectory = true;
+                break;
+            }
+        }
+        if (!foundDirectory)
+            delete fileEngineIterators.pop();
+    }
+    done = true;
+}
+
+/*!
+    \internal
+ */
+bool QDirIteratorPrivate::shouldFollowDirectory(const QFileInfo &fileInfo)
+{
+    // If we're doing flat iteration, we're done.
+    if (!(iteratorFlags & QDirIterator::Subdirectories))
+        return false;
+    
+    // Never follow non-directory entries
+    if (!fileInfo.isDir())
+        return false;
+
+
+    // Never follow . and ..
+    if (fileInfo.fileName() == QLatin1String(".") || fileInfo.fileName() == QLatin1String(".."))
+        return false;
+
+      
+    // Check symlinks
+    if (fileInfo.isSymLink() && !(iteratorFlags & QDirIterator::FollowSymlinks)) {
+        // Follow symlinks only if FollowSymlinks was passed
+        return false;
+    }
+
+    // Stop link loops
+    if (visitedLinks.contains(fileInfo.canonicalFilePath()))
+        return false;
+    
+    return true;
+}
+    
+
+/*!
+    \internal
+
+    This convenience function implements the iterator's filtering logics and
+    applies then to the current directory entry.
+
+    It returns true if the current entry matches the filters (i.e., the
+    current entry will be returned as part of the directory iteration);
+    otherwise, false is returned.
+*/
+bool QDirIteratorPrivate::matchesFilters(const QAbstractFileEngineIterator *it) const
+{
+    const bool filterPermissions = ((filters & QDir::PermissionMask)
+                                    && (filters & QDir::PermissionMask) != QDir::PermissionMask);
+    const bool skipDirs     = !(filters & (QDir::Dirs | QDir::AllDirs));
+    const bool skipFiles    = !(filters & QDir::Files);
+    const bool skipSymlinks = (filters & QDir::NoSymLinks);
+    const bool doReadable   = !filterPermissions || (filters & QDir::Readable);
+    const bool doWritable   = !filterPermissions || (filters & QDir::Writable);
+    const bool doExecutable = !filterPermissions || (filters & QDir::Executable);
+    const bool includeHidden = (filters & QDir::Hidden);
+    const bool includeSystem = (filters & QDir::System);
+
+#ifndef QT_NO_REGEXP
+    // Prepare name filters
+    QList<QRegExp> regexps;
+    bool hasNameFilters = !nameFilters.isEmpty() && !(nameFilters.contains(QLatin1String("*")));
+    if (hasNameFilters) {
+        for (int i = 0; i < nameFilters.size(); ++i) {
+            regexps << QRegExp(nameFilters.at(i),
+                               (filters & QDir::CaseSensitive) ? Qt::CaseSensitive : Qt::CaseInsensitive,
+                               QRegExp::Wildcard);
+        }
+    }
+#endif
+
+    QString fileName = it->currentFileName();
+    if (fileName.isEmpty()) {
+        // invalid entry
+        return false;
+    }
+
+    QFileInfo fi = it->currentFileInfo();
+    QString filePath = it->currentFilePath();
+
+#ifndef QT_NO_REGEXP
+    // Pass all entries through name filters, except dirs if the AllDirs
+    // filter is passed.
+    if (hasNameFilters && !((filters & QDir::AllDirs) && fi.isDir())) {
+        bool matched = false;
+        for (int i = 0; i < regexps.size(); ++i) {
+            if (regexps.at(i).exactMatch(fileName)) {
+                matched = true;
+                break;
+            }
+        }
+        if (!matched)
+            return false;
+    }
+#endif
+    
+    bool dotOrDotDot = (fileName == QLatin1String(".") || fileName == QLatin1String(".."));
+    if ((filters & QDir::NoDotAndDotDot) && dotOrDotDot)
+        return false;
+
+    bool isHidden = !dotOrDotDot && fi.isHidden();
+    if (!includeHidden && isHidden)
+        return false;
+
+    bool isSystem = (!fi.isFile() && !fi.isDir() && !fi.isSymLink())
+                    || (!fi.exists() && fi.isSymLink());
+    if (!includeSystem && isSystem)
+        return false;
+
+    bool alwaysShow = (filters & QDir::TypeMask) == 0
+        && ((isHidden && includeHidden)
+            || (includeSystem && isSystem));
+
+    // Skip files and directories
+    if ((filters & QDir::AllDirs) == 0 && skipDirs && fi.isDir()) {
+        if (!alwaysShow)
+            return false;
+    }
+
+    if ((skipFiles && (fi.isFile() || !fi.exists()))
+        || (skipSymlinks && fi.isSymLink())) {
+        if (!alwaysShow)
+            return false;
+    }
+
+    if (filterPermissions
+        && ((doReadable && !fi.isReadable())
+            || (doWritable && !fi.isWritable())
+            || (doExecutable && !fi.isExecutable()))) {
+        return false;
+    }
+
+    if (!includeSystem && !dotOrDotDot && ((fi.exists() && !fi.isFile() && !fi.isDir() && !fi.isSymLink())
+                                           || (!fi.exists() && fi.isSymLink()))) {
+        return false;
+    }
+    
+    return true;
+}
+
+/*!
+    Constructs a QDirIterator that can iterate over \a dir's entrylist, using
+    \a dir's name filters and regular filters. You can pass options via \a
+    flags to decide how the directory should be iterated.
+
+    By default, \a flags is NoIteratorFlags, which provides the same behavior
+    as in QDir::entryList().
+
+    The sorting in \a dir is ignored.
+
+    \note To list symlinks that point to non existing files, QDir::System must be
+     passed to the flags.
+
+    \sa hasNext(), next(), IteratorFlags
+*/
+QDirIterator::QDirIterator(const QDir &dir, IteratorFlags flags)
+    : d(new QDirIteratorPrivate(dir.path(), dir.nameFilters(), dir.filter(), flags))
+{
+    d->q = this;
+}
+
+/*!
+    Constructs a QDirIterator that can iterate over \a path, with no name
+    filtering and \a filters for entry filtering. You can pass options via \a
+    flags to decide how the directory should be iterated.
+
+    By default, \a filters is QDir::NoFilter, and \a flags is NoIteratorFlags,
+    which provides the same behavior as in QDir::entryList().
+
+    \note To list symlinks that point to non existing files, QDir::System must be
+     passed to the flags.
+
+    \warning This constructor expects \a flags to be left at its default value. Use
+             the constructors that do not take the \a filters argument instead.
+
+    \sa hasNext(), next(), IteratorFlags
+*/
+QDirIterator::QDirIterator(const QString &path, QDir::Filters filters, IteratorFlags flags)
+    : d(new QDirIteratorPrivate(path, QStringList(QLatin1String("*")), filters, flags))
+{
+    d->q = this;
+}
+
+/*!
+    Constructs a QDirIterator that can iterate over \a path. You can pass
+    options via \a flags to decide how the directory should be iterated.
+
+    By default, \a flags is NoIteratorFlags, which provides the same behavior
+    as in QDir::entryList().
+
+    \note To list symlinks that point to non existing files, QDir::System must be
+     passed to the flags.
+
+    \sa hasNext(), next(), IteratorFlags
+*/
+QDirIterator::QDirIterator(const QString &path, IteratorFlags flags)
+    : d(new QDirIteratorPrivate(path, QStringList(QLatin1String("*")), QDir::NoFilter, flags))
+{
+    d->q = this;
+}
+
+/*!
+    Constructs a QDirIterator that can iterate over \a path, using \a
+    nameFilters and \a filters. You can pass options via \a flags to decide
+    how the directory should be iterated.
+
+    By default, \a flags is NoIteratorFlags, which provides the same behavior
+    as QDir::entryList().
+
+    \note To list symlinks that point to non existing files, QDir::System must be
+     passed to the flags.
+
+    \warning This constructor expects \c flags to be left at its default value. Use the
+             constructors that do not take the \a filters argument instead. 
+
+    \sa hasNext(), next(), IteratorFlags
+*/
+QDirIterator::QDirIterator(const QString &path, const QStringList &nameFilters,
+                           QDir::Filters filters, IteratorFlags flags)
+    : d(new QDirIteratorPrivate(path, nameFilters, filters, flags))
+{
+    d->q = this;
+}
+
+/*!
+    Destroys the QDirIterator.
+*/
+QDirIterator::~QDirIterator()
+{
+    qDeleteAll(d->fileEngineIterators);
+    delete d;
+}
+
+/*!
+    Advances the iterator to the next entry, and returns the file path of this
+    new entry. If hasNext() returns false, this function does nothing, and
+    returns a null QString.
+
+    You can call fileName() or filePath() to get the current entry file name
+    or path, or fileInfo() to get a QFileInfo for the current entry.
+
+    \sa hasNext(), fileName(), filePath(), fileInfo()
+*/
+QString QDirIterator::next()
+{
+    if (!hasNext())
+        return QString();
+    d->advance();
+    return filePath();
+}
+
+/*!
+    Returns true if there is at least one more entry in the directory;
+    otherwise, false is returned.
+
+    \sa next(), fileName(), filePath(), fileInfo()
+*/
+bool QDirIterator::hasNext() const
+{
+    if (d->first) {
+        d->first = false;
+        d->advance();
+    }
+    return !d->done;
+}
+
+/*!
+    Returns the file name for the current directory entry, without the path
+    prepended. If the current entry is invalid (i.e., isValid() returns
+    false), a null QString is returned.
+
+    This function is provided for the convenience when iterating single
+    directories. For recursive iteration, you should call filePath() or
+    fileInfo() instead.
+    
+    \sa filePath(), fileInfo()
+*/
+QString QDirIterator::fileName() const
+{
+    if (d->fileInfo.path() != d->currentFilePath)
+        d->fileInfo.setFile(d->currentFilePath);
+    return d->fileInfo.fileName();
+}
+
+/*!
+    Returns the full file path for the current directory entry. If the current
+    entry is invalid (i.e., isValid() returns false), a null QString is
+    returned.
+
+    \sa fileInfo(), fileName()
+*/
+QString QDirIterator::filePath() const
+{
+    return d->currentFilePath;
+}
+
+/*!
+    Returns a QFileInfo for the current directory entry. If the current entry
+    is invalid (i.e., isValid() returns false), a null QFileInfo is returned.
+
+    \sa filePath(), fileName()
+*/
+QFileInfo QDirIterator::fileInfo() const
+{
+    if (d->fileInfo.filePath() != d->currentFilePath)
+        d->fileInfo.setFile(d->currentFilePath);
+    return d->fileInfo;
+}
+
+/*!
+    Returns the base directory of the iterator.
+*/
+QString QDirIterator::path() const
+{
+    return d->path;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qdiriterator.h b/src/corelib/io/qdiriterator.h
new file mode 100644
index 0000000000..540ad4fa47
--- /dev/null
+++ b/src/corelib/io/qdiriterator.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDIRITERATOR_H
+#define QDIRITERATOR_H
+
+#include <QtCore/qdir.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QDirIteratorPrivate;
+class Q_CORE_EXPORT QDirIterator {
+public:
+    enum IteratorFlag {
+        NoIteratorFlags = 0x0,
+        FollowSymlinks = 0x1,
+        Subdirectories = 0x2
+    };
+    Q_DECLARE_FLAGS(IteratorFlags, IteratorFlag)
+
+    QDirIterator(const QDir &dir, IteratorFlags flags = NoIteratorFlags);
+    QDirIterator(const QString &path,
+                 IteratorFlags flags = NoIteratorFlags);
+    QDirIterator(const QString &path,
+                 QDir::Filters filter,
+                 IteratorFlags flags = NoIteratorFlags);
+    QDirIterator(const QString &path,
+                 const QStringList &nameFilters,
+                 QDir::Filters filters = QDir::NoFilter,
+                 IteratorFlags flags = NoIteratorFlags);
+
+    virtual ~QDirIterator();
+
+    QString next();
+    bool hasNext() const;
+
+    QString fileName() const;
+    QString filePath() const;
+    QFileInfo fileInfo() const;
+    QString path() const;
+
+private:
+    Q_DISABLE_COPY(QDirIterator)
+
+    QDirIteratorPrivate *d;
+    friend class QDir;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QDirIterator::IteratorFlags)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
diff --git a/src/corelib/io/qfile.cpp b/src/corelib/io/qfile.cpp
new file mode 100644
index 0000000000..d8f08c9638
--- /dev/null
+++ b/src/corelib/io/qfile.cpp
@@ -0,0 +1,1638 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qdebug.h"
+#include "qfile.h"
+#include "qfsfileengine.h"
+#include "qtemporaryfile.h"
+#include "qlist.h"
+#include "qfileinfo.h"
+#include "private/qiodevice_p.h"
+#include "private/qfile_p.h"
+#if defined(QT_BUILD_CORE_LIB)
+# include "qcoreapplication.h"
+#endif
+
+#if !defined(Q_OS_WINCE)
+#include <errno.h>
+#endif
+
+#ifdef QT_NO_QOBJECT
+#define tr(X) QString::fromLatin1(X)
+#endif
+
+QT_BEGIN_NAMESPACE
+
+static const int QFILE_WRITEBUFFER_SIZE = 16384;
+
+static QByteArray locale_encode(const QString &f)
+{
+#ifndef Q_OS_DARWIN
+    return f.toLocal8Bit();
+#else
+    // Mac always expects UTF-8... and decomposed...
+    return f.normalized(QString::NormalizationForm_D).toUtf8();
+#endif
+}
+
+static QString locale_decode(const QByteArray &f)
+{
+#ifndef Q_OS_DARWIN
+    return QString::fromLocal8Bit(f);
+#else
+    // Mac always gives us UTF-8 and decomposed, we want that composed...
+    return QString::fromUtf8(f).normalized(QString::NormalizationForm_C);
+#endif
+}
+
+//************* QFilePrivate
+QFile::EncoderFn QFilePrivate::encoder = locale_encode;
+QFile::DecoderFn QFilePrivate::decoder = locale_decode;
+
+QFilePrivate::QFilePrivate()
+    : fileEngine(0), lastWasWrite(false),
+      writeBuffer(QFILE_WRITEBUFFER_SIZE), error(QFile::NoError)
+{
+}
+
+QFilePrivate::~QFilePrivate()
+{
+    delete fileEngine;
+    fileEngine = 0;
+}
+
+bool
+QFilePrivate::openExternalFile(int flags, int fd)
+{
+#ifdef QT_NO_FSFILEENGINE
+    Q_UNUSED(flags);
+    Q_UNUSED(fd);
+    return false;
+#else
+    delete fileEngine;
+    QFSFileEngine *fe = new QFSFileEngine;
+    fe->setFileName(fileName);
+    fileEngine = fe;
+    return fe->open(QIODevice::OpenMode(flags), fd);
+#endif
+}
+
+bool
+QFilePrivate::openExternalFile(int flags, FILE *fh)
+{
+#ifdef QT_NO_FSFILEENGINE
+    Q_UNUSED(flags);
+    Q_UNUSED(fh);
+    return false;
+#else
+    delete fileEngine;
+    QFSFileEngine *fe = new QFSFileEngine;
+    fe->setFileName(fileName);
+    fileEngine = fe;
+    return fe->open(QIODevice::OpenMode(flags), fh);
+#endif
+}
+
+inline bool QFilePrivate::ensureFlushed() const
+{
+    // This function ensures that the write buffer has been flushed (const
+    // because certain const functions need to call it.
+    if (lastWasWrite) {
+        const_cast<QFilePrivate *>(this)->lastWasWrite = false;
+        if (!const_cast<QFile *>(q_func())->flush())
+            return false;
+    }
+    return true;
+}
+
+void
+QFilePrivate::setError(QFile::FileError err)
+{
+    error = err;
+    errorString.clear();
+}
+
+void
+QFilePrivate::setError(QFile::FileError err, const QString &errStr)
+{
+    Q_Q(QFile);
+    error = err;
+    q->setErrorString(errStr);
+}
+
+void
+QFilePrivate::setError(QFile::FileError err, int errNum)
+{
+    Q_Q(QFile);
+    error = err;
+    q->setErrorString(qt_error_string(errNum));
+}
+
+//************* QFile
+
+/*!
+    \class QFile
+    \brief The QFile class provides an interface for reading from and writing to files.
+
+    \ingroup io
+    \mainclass
+    \reentrant
+
+    QFile is an I/O device for reading and writing text and binary
+    files and \l{The Qt Resource System}{resources}. A QFile may be
+    used by itself or, more conveniently, with a QTextStream or
+    QDataStream.
+
+    The file name is usually passed in the constructor, but it can be
+    set at any time using setFileName(). QFile expects the file
+    separator to be '/' regardless of operating system. The use of
+    other separators (e.g., '\\') is not supported.
+
+    You can check for a file's existence using exists(), and remove a
+    file using remove(). (More advanced file system related operations
+    are provided by QFileInfo and QDir.)
+
+    The file is opened with open(), closed with close(), and flushed
+    with flush(). Data is usually read and written using QDataStream
+    or QTextStream, but you can also call the QIODevice-inherited
+    functions read(), readLine(), readAll(), write(). QFile also
+    inherits getChar(), putChar(), and ungetChar(), which work one
+    character at a time.
+
+    The size of the file is returned by size(). You can get the
+    current file position using pos(), or move to a new file position
+    using seek(). If you've reached the end of the file, atEnd()
+    returns true.
+
+    \section1 Reading Files Directly
+
+    The following example reads a text file line by line:
+
+    \snippet doc/src/snippets/file/file.cpp 0
+
+    The QIODevice::Text flag passed to open() tells Qt to convert
+    Windows-style line terminators ("\\r\\n") into C++-style
+    terminators ("\\n"). By default, QFile assumes binary, i.e. it
+    doesn't perform any conversion on the bytes stored in the file.
+
+    \section1 Using Streams to Read Files
+
+    The next example uses QTextStream to read a text file
+    line by line:
+
+    \snippet doc/src/snippets/file/file.cpp 1
+
+    QTextStream takes care of converting the 8-bit data stored on
+    disk into a 16-bit Unicode QString. By default, it assumes that
+    the user system's local 8-bit encoding is used (e.g., ISO 8859-1
+    for most of Europe; see QTextCodec::codecForLocale() for
+    details). This can be changed using setCodec().
+
+    To write text, we can use operator<<(), which is overloaded to
+    take a QTextStream on the left and various data types (including
+    QString) on the right:
+
+    \snippet doc/src/snippets/file/file.cpp 2
+
+    QDataStream is similar, in that you can use operator<<() to write
+    data and operator>>() to read it back. See the class
+    documentation for details.
+
+    When you use QFile, QFileInfo, and QDir to access the file system
+    with Qt, you can use Unicode file names. On Unix, these file
+    names are converted to an 8-bit encoding. If you want to use
+    standard C++ APIs (\c <cstdio> or \c <iostream>) or
+    platform-specific APIs to access files instead of QFile, you can
+    use the encodeName() and decodeName() functions to convert
+    between Unicode file names and 8-bit file names.
+
+    On Unix, there are some special system files (e.g. in \c /proc) for which
+    size() will always return 0, yet you may still be able to read more data
+    from such a file; the data is generated in direct response to you calling
+    read(). In this case, however, you cannot use atEnd() to determine if
+    there is more data to read (since atEnd() will return true for a file that
+    claims to have size 0). Instead, you should either call readAll(), or call
+    read() or readLine() repeatedly until no more data can be read. The next
+    example uses QTextStream to read \c /proc/modules line by line:
+
+    \snippet doc/src/snippets/file/file.cpp 3
+
+    \section1 Signals
+
+    Unlike other QIODevice implementations, such as QTcpSocket, QFile does not
+    emit the aboutToClose(), bytesWritten(), or readyRead() signals. This
+    implementation detail means that QFile is not suitable for reading and
+    writing certain types of files, such as device files on Unix platforms.
+
+    \section1 Platform Specific Issues
+
+    File permissions are handled differently on Linux/Mac OS X and
+    Windows.  In a non \l{QIODevice::isWritable()}{writable}
+    directory on Linux, files cannot be created. This is not always
+    the case on Windows, where, for instance, the 'My Documents'
+    directory usually is not writable, but it is still possible to
+    create files in it.
+
+    \sa QTextStream, QDataStream, QFileInfo, QDir, {The Qt Resource System}
+*/
+
+/*!
+    \enum QFile::FileError
+
+    This enum describes the errors that may be returned by the error()
+    function.
+
+    \value NoError          No error occurred.
+    \value ReadError        An error occurred when reading from the file.
+    \value WriteError       An error occurred when writing to the file.
+    \value FatalError       A fatal error occurred.
+    \value ResourceError
+    \value OpenError        The file could not be opened.
+    \value AbortError       The operation was aborted.
+    \value TimeOutError     A timeout occurred.
+    \value UnspecifiedError An unspecified error occurred.
+    \value RemoveError      The file could not be removed.
+    \value RenameError      The file could not be renamed.
+    \value PositionError    The position in the file could not be changed.
+    \value ResizeError      The file could not be resized.
+    \value PermissionsError The file could not be accessed.
+    \value CopyError        The file could not be copied.
+
+    \omitvalue ConnectError
+*/
+
+/*!
+    \enum QFile::Permission
+
+    This enum is used by the permission() function to report the
+    permissions and ownership of a file. The values may be OR-ed
+    together to test multiple permissions and ownership values.
+
+    \value ReadOwner The file is readable by the owner of the file.
+    \value WriteOwner The file is writable by the owner of the file.
+    \value ExeOwner The file is executable by the owner of the file.
+    \value ReadUser The file is readable by the user.
+    \value WriteUser The file is writable by the user.
+    \value ExeUser The file is executable by the user.
+    \value ReadGroup The file is readable by the group.
+    \value WriteGroup The file is writable by the group.
+    \value ExeGroup The file is executable by the group.
+    \value ReadOther The file is readable by anyone.
+    \value WriteOther The file is writable by anyone.
+    \value ExeOther The file is executable by anyone.
+
+    \warning Because of differences in the platforms supported by Qt,
+    the semantics of ReadUser, WriteUser and ExeUser are
+    platform-dependent: On Unix, the rights of the owner of the file
+    are returned and on Windows the rights of the current user are
+    returned. This behavior might change in a future Qt version.
+
+    Note that Qt does not by default check for permissions on NTFS
+    file systems, as this may decrease the performance of file
+    handling considerably. It is possible to force permission checking
+    on NTFS by including the following code in your source:
+
+    \snippet doc/src/snippets/ntfsp.cpp 0
+
+    Permission checking is then turned on and off by incrementing and
+    decrementing \c qt_ntfs_permission_lookup by 1.
+
+    \snippet doc/src/snippets/ntfsp.cpp 1
+*/
+
+#ifdef QT3_SUPPORT
+/*!
+    \typedef QFile::PermissionSpec
+
+    Use QFile::Permission instead.
+*/
+#endif
+
+#ifdef QT_NO_QOBJECT
+QFile::QFile()
+    : QIODevice(*new QFilePrivate)
+{
+}
+QFile::QFile(const QString &name)
+    : QIODevice(*new QFilePrivate)
+{
+    d_func()->fileName = name;
+}
+QFile::QFile(QFilePrivate &dd)
+    : QIODevice(dd)
+{
+}
+#else
+/*!
+    \internal
+*/
+QFile::QFile()
+    : QIODevice(*new QFilePrivate, 0)
+{
+}
+/*!
+    Constructs a new file object with the given \a parent.
+*/
+QFile::QFile(QObject *parent)
+    : QIODevice(*new QFilePrivate, parent)
+{
+}
+/*!
+    Constructs a new file object to represent the file with the given \a name.
+*/
+QFile::QFile(const QString &name)
+    : QIODevice(*new QFilePrivate, 0)
+{
+    Q_D(QFile);
+    d->fileName = name;
+}
+/*!
+    Constructs a new file object with the given \a parent to represent the
+    file with the specified \a name.
+*/
+QFile::QFile(const QString &name, QObject *parent)
+    : QIODevice(*new QFilePrivate, parent)
+{
+    Q_D(QFile);
+    d->fileName = name;
+}
+/*!
+    \internal
+*/
+QFile::QFile(QFilePrivate &dd, QObject *parent)
+    : QIODevice(dd, parent)
+{
+}
+#endif
+
+/*!
+    Destroys the file object, closing it if necessary.
+*/
+QFile::~QFile()
+{
+    close();
+#ifdef QT_NO_QOBJECT
+    delete d_ptr;
+#endif
+}
+
+/*!
+    Returns the name set by setFileName() or to the QFile
+    constructors.
+
+    \sa setFileName(), QFileInfo::fileName()
+*/
+QString QFile::fileName() const
+{
+    return fileEngine()->fileName(QAbstractFileEngine::DefaultName);
+}
+
+/*!
+    Sets the \a name of the file. The name can have no path, a
+    relative path, or an absolute path.
+
+    Do not call this function if the file has already been opened.
+
+    If the file name has no path or a relative path, the path used
+    will be the application's current directory path
+    \e{at the time of the open()} call.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfile.cpp 0
+
+    Note that the directory separator "/" works for all operating
+    systems supported by Qt.
+
+    \sa fileName(), QFileInfo, QDir
+*/
+void
+QFile::setFileName(const QString &name)
+{
+    Q_D(QFile);
+    if (isOpen()) {
+        qWarning("QFile::setFileName: File (%s) is already opened",
+                 qPrintable(fileName()));
+        close();
+    }
+    if(d->fileEngine) { //get a new file engine later
+        delete d->fileEngine;
+        d->fileEngine = 0;
+    }
+    d->fileName = name;
+}
+
+/*!
+    \fn QString QFile::decodeName(const char *localFileName)
+
+    \overload
+
+    Returns the Unicode version of the given \a localFileName. See
+    encodeName() for details.
+*/
+
+/*!
+    By default, this function converts \a fileName to the local 8-bit
+    encoding determined by the user's locale. This is sufficient for
+    file names that the user chooses. File names hard-coded into the
+    application should only use 7-bit ASCII filename characters.
+
+    \sa decodeName() setEncodingFunction()
+*/
+
+QByteArray
+QFile::encodeName(const QString &fileName)
+{
+    return (*QFilePrivate::encoder)(fileName);
+}
+
+/*!
+    \typedef QFile::EncoderFn
+
+    This is a typedef for a pointer to a function with the following
+    signature:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qfile.cpp 1
+
+    \sa setEncodingFunction(), encodeName()
+*/
+
+/*!
+    This does the reverse of QFile::encodeName() using \a localFileName.
+
+    \sa setDecodingFunction(), encodeName()
+*/
+
+QString
+QFile::decodeName(const QByteArray &localFileName)
+{
+    return (*QFilePrivate::decoder)(localFileName);
+}
+
+/*!
+    \fn void QFile::setEncodingFunction(EncoderFn function)
+
+    \nonreentrant
+
+    Sets the \a function for encoding Unicode file names. The
+    default encodes in the locale-specific 8-bit encoding.
+
+    \sa encodeName(), setDecodingFunction()
+*/
+
+void
+QFile::setEncodingFunction(EncoderFn f)
+{
+    if (!f)
+        f = locale_encode;
+    QFilePrivate::encoder = f;
+}
+
+/*!
+    \typedef QFile::DecoderFn
+
+    This is a typedef for a pointer to a function with the following
+    signature:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qfile.cpp 2
+
+    \sa setDecodingFunction()
+*/
+
+/*!
+    \fn void QFile::setDecodingFunction(DecoderFn function)
+
+    \nonreentrant
+
+    Sets the \a function for decoding 8-bit file names. The
+    default uses the locale-specific 8-bit encoding.
+
+    \sa setEncodingFunction(), decodeName()
+*/
+
+void
+QFile::setDecodingFunction(DecoderFn f)
+{
+    if (!f)
+        f = locale_decode;
+    QFilePrivate::decoder = f;
+}
+
+/*!
+    \overload
+
+    Returns true if the file specified by fileName() exists; otherwise
+    returns false.
+
+    \sa fileName(), setFileName()
+*/
+
+bool
+QFile::exists() const
+{
+    // 0x1000000 = QAbstractFileEngine::Refresh, forcing an update
+    return (fileEngine()->fileFlags(QAbstractFileEngine::FlagsMask
+                                    | QAbstractFileEngine::FileFlag(0x1000000)) & QAbstractFileEngine::ExistsFlag);
+}
+
+/*!
+    Returns true if the file specified by \a fileName exists; otherwise
+    returns false.
+*/
+
+bool
+QFile::exists(const QString &fileName)
+{
+    return QFileInfo(fileName).exists();
+}
+
+/*!
+    \fn QString QFile::symLinkTarget() const
+    \since 4.2
+    \overload
+
+    Returns the absolute path of the file or directory a symlink (or shortcut
+    on Windows) points to, or a an empty string if the object isn't a symbolic
+    link.
+
+    This name may not represent an existing file; it is only a string.
+    QFile::exists() returns true if the symlink points to an existing file.
+
+    \sa fileName() setFileName()
+*/
+
+/*!
+    \obsolete
+
+    Use symLinkTarget() instead.
+*/
+QString
+QFile::readLink() const
+{
+    return fileEngine()->fileName(QAbstractFileEngine::LinkName);
+}
+
+/*!
+    \fn static QString QFile::symLinkTarget(const QString &fileName)
+    \since 4.2
+
+    Returns the absolute path of the file or directory referred to by the
+    symlink (or shortcut on Windows) specified by \a fileName, or returns an
+    empty string if the \a fileName does not correspond to a symbolic link.
+
+    This name may not represent an existing file; it is only a string.
+    QFile::exists() returns true if the symlink points to an existing file.
+*/
+
+/*!
+    \obsolete
+
+    Use symLinkTarget() instead.
+*/
+QString
+QFile::readLink(const QString &fileName)
+{
+    return QFileInfo(fileName).readLink();
+}
+
+/*!
+    Removes the file specified by fileName(). Returns true if successful;
+    otherwise returns false.
+
+    The file is closed before it is removed.
+
+    \sa setFileName()
+*/
+
+bool
+QFile::remove()
+{
+    Q_D(QFile);
+    if (d->fileName.isEmpty()) {
+        qWarning("QFile::remove: Empty or null file name");
+        return false;
+    }
+    close();
+    if(error() == QFile::NoError) {
+        if(fileEngine()->remove()) {
+            unsetError();
+            return true;
+        }
+#if defined(Q_OS_WIN)
+        d->setError(QFile::RemoveError, GetLastError());
+#else
+        d->setError(QFile::RemoveError, errno);
+#endif
+    }
+    return false;
+}
+
+/*!
+    \overload
+
+    Removes the file specified by the \a fileName given.
+
+    Returns true if successful; otherwise returns false.
+
+    \sa remove()
+*/
+
+bool
+QFile::remove(const QString &fileName)
+{
+    return QFile(fileName).remove();
+}
+
+/*!
+    Renames the file currently specified by fileName() to \a newName.
+    Returns true if successful; otherwise returns false.
+
+    If a file with the name \a newName already exists, rename() returns false
+    (i.e., QFile will not overwrite it).
+
+    The file is closed before it is renamed.
+
+    \sa setFileName()
+*/
+
+bool
+QFile::rename(const QString &newName)
+{
+    Q_D(QFile);
+    if (d->fileName.isEmpty()) {
+        qWarning("QFile::rename: Empty or null file name");
+        return false;
+    }
+    if (QFile(newName).exists()) {
+        // ### Race condition. If a file is moved in after this, it /will/ be
+        // overwritten. On Unix, the proper solution is to use hardlinks:
+        // return ::link(old, new) && ::remove(old);
+        d->setError(QFile::RenameError, tr("Destination file exists"));
+        return false;
+    }
+    close();
+    if(error() == QFile::NoError) {
+        if (fileEngine()->rename(newName)) {
+            unsetError();
+            return true;
+        }
+
+        QFile in(fileName());
+        QFile out(newName);
+        if (in.open(QIODevice::ReadOnly)) {
+            if (out.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
+                bool error = false;
+                char block[4096];
+                qint64 read;
+                while ((read = in.read(block, sizeof(block))) > 0) {
+                    if (read != out.write(block, read)) {
+                        d->setError(QFile::RenameError, out.errorString());
+                        error = true;
+                        break;
+                    }
+                }
+                if (read == -1) {
+                    d->setError(QFile::RenameError, in.errorString());
+                    return true;
+                }
+                if(!error)
+                    in.remove();
+                return !error;
+            }
+        }
+        d->setError(QFile::RenameError, out.isOpen() ? in.errorString() : out.errorString());
+    }
+    return false;
+}
+
+/*!
+    \overload
+
+    Renames the file \a oldName to \a newName. Returns true if
+    successful; otherwise returns false.
+
+    If a file with the name \a newName already exists, rename() returns false
+    (i.e., QFile will not overwrite it).
+
+    \sa rename()
+*/
+
+bool
+QFile::rename(const QString &oldName, const QString &newName)
+{
+    return QFile(oldName).rename(newName);
+}
+
+/*!
+
+    Creates a link named \a linkName that points to the file currently specified by
+    fileName().  What a link is depends on the underlying filesystem (be it a
+    shortcut on Windows or a symbolic link on Unix). Returns true if successful;
+    otherwise returns false.
+
+    This function will not overwrite an already existing entity in the file system;
+    in this case, \c link() will return false and set \l{QFile::}{error()} to
+    return \l{QFile::}{RenameError}.
+
+    \note To create a valid link on Windows, \a linkName must have a \c{.lnk} file extension.
+
+    \sa setFileName()
+*/
+
+bool
+QFile::link(const QString &linkName)
+{
+    Q_D(QFile);
+    if (d->fileName.isEmpty()) {
+        qWarning("QFile::link: Empty or null file name");
+        return false;
+    }
+    QFileInfo fi(linkName);
+    if(fileEngine()->link(fi.absoluteFilePath())) {
+        unsetError();
+        return true;
+    }
+    d->setError(QFile::RenameError, errno);
+    return false;
+}
+
+/*!
+    \overload
+
+    Creates a link named \a linkName that points to the file \a fileName. What a link is
+    depends on the underlying filesystem (be it a shortcut on Windows
+    or a symbolic link on Unix). Returns true if successful; otherwise
+    returns false.
+
+    \sa link()
+*/
+
+bool
+QFile::link(const QString &fileName, const QString &linkName)
+{
+    return QFile(fileName).link(linkName);
+}
+
+/*!
+    Copies the file currently specified by fileName() to a file called
+    \a newName.  Returns true if successful; otherwise returns false.
+
+    Note that if a file with the name \a newName already exists,
+    copy() returns false (i.e. QFile will not overwrite it).
+
+    The source file is closed before it is copied.
+
+    \sa setFileName()
+*/
+
+bool
+QFile::copy(const QString &newName)
+{
+    Q_D(QFile);
+    if (d->fileName.isEmpty()) {
+        qWarning("QFile::copy: Empty or null file name");
+        return false;
+    }
+    if (QFile(newName).exists()) {
+        // ### Race condition. If a file is moved in after this, it /will/ be
+        // overwritten. On Unix, the proper solution is to use hardlinks:
+        // return ::link(old, new) && ::remove(old); See also rename().
+        d->setError(QFile::CopyError, tr("Destination file exists"));
+        return false;
+    }
+    close();
+    if(error() == QFile::NoError) {
+        if(fileEngine()->copy(newName)) {
+            unsetError();
+            return true;
+        } else {
+            bool error = false;
+            if(!open(QFile::ReadOnly)) {
+                error = true;
+                d->setError(QFile::CopyError, tr("Cannot open %1 for input").arg(d->fileName));
+            } else {
+                QString fileTemplate = QLatin1String("%1/qt_temp.XXXXXX");
+#ifdef QT_NO_TEMPORARYFILE
+                QFile out(fileTemplate.arg(QFileInfo(newName).path()));
+                if (!out.open(QIODevice::ReadWrite))
+                    error = true;
+#else
+                QTemporaryFile out(fileTemplate.arg(QFileInfo(newName).path()));
+                if (!out.open()) {
+                    out.setFileTemplate(fileTemplate.arg(QDir::tempPath()));
+                    if (!out.open())
+                        error = true;
+                }
+#endif
+                if (error) {
+                    out.close();
+                    d->setError(QFile::CopyError, tr("Cannot open for output"));
+                } else {
+                    char block[4096];
+                    qint64 totalRead = 0;
+                    while(!atEnd()) {
+                        qint64 in = read(block, sizeof(block));
+                        if (in <= 0)
+                            break;
+                        totalRead += in;
+                        if(in != out.write(block, in)) {
+                            d->setError(QFile::CopyError, tr("Failure to write block"));
+                            error = true;
+                            break;
+                        }
+                    }
+
+                    if (totalRead != size()) {
+                        // Unable to read from the source. The error string is
+                        // already set from read().
+                        error = true;
+                    }
+                    if (!error && !out.rename(newName)) {
+                        error = true;
+                        d->setError(QFile::CopyError, tr("Cannot create %1 for output").arg(newName));
+                    }
+#ifndef QT_NO_TEMPORARYFILE
+                    if (!error)
+                        out.setAutoRemove(false);
+#endif
+                }
+            }
+            if(!error) {
+                QFile::setPermissions(newName, permissions());
+                unsetError();
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+/*!
+    \overload
+
+    Copies the file \a fileName to \a newName. Returns true if successful;
+    otherwise returns false.
+
+    If a file with the name \a newName already exists, copy() returns false
+    (i.e., QFile will not overwrite it).
+
+    \sa rename()
+*/
+
+bool
+QFile::copy(const QString &fileName, const QString &newName)
+{
+    return QFile(fileName).copy(newName);
+}
+
+/*!
+    Returns true if the file can only be manipulated sequentially;
+    otherwise returns false.
+
+    Most files support random-access, but some special files may not.
+
+    \sa QIODevice::isSequential()
+*/
+bool QFile::isSequential() const
+{
+    Q_D(const QFile);
+    return d->fileEngine && d->fileEngine->isSequential();
+}
+
+/*!
+    Opens the file using OpenMode \a mode, returning true if successful;
+    otherwise false.
+
+    The \a mode must be QIODevice::ReadOnly, QIODevice::WriteOnly, or
+    QIODevice::ReadWrite. It may also have additional flags, such as
+    QIODevice::Text and QIODevice::Unbuffered.
+
+    \note In \l{QIODevice::}{WriteOnly} or \l{QIODevice::}{ReadWrite}
+    mode, if the relevant file does not already exist, this function
+    will try to create a new file before opening it.
+
+    \note Because of limitations in the native API, QFile ignores the
+    Unbuffered flag on Windows.
+
+    \sa QIODevice::OpenMode, setFileName()
+*/
+bool QFile::open(OpenMode mode)
+{
+    Q_D(QFile);
+    if (isOpen()) {
+        qWarning("QFile::open: File (%s) already open", qPrintable(fileName()));
+        return false;
+    }
+    if (mode & Append)
+        mode |= WriteOnly;
+
+    unsetError();
+    if ((mode & (ReadOnly | WriteOnly)) == 0) {
+        qWarning("QIODevice::open: File access not specified");
+        return false;
+    }
+    if (fileEngine()->open(mode)) {
+        QIODevice::open(mode);
+        if (mode & Append)
+            seek(size());
+        return true;
+    }
+    QFile::FileError err = fileEngine()->error();
+    if(err == QFile::UnspecifiedError)
+        err = QFile::OpenError;
+    d->setError(err, fileEngine()->errorString());
+    return false;
+}
+
+/*! \fn QFile::open(OpenMode, FILE*)
+
+    Use open(FILE *, OpenMode) instead.
+*/
+
+/*!
+    \overload
+
+    Opens the existing file handle \a fh in the given \a mode.
+    Returns true if successful; otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfile.cpp 3
+
+    When a QFile is opened using this function, close() does not actually
+    close the file, but only flushes it.
+
+    \bold{Warning:}
+    \list 1
+        \o If \a fh is \c stdin, \c stdout, or \c stderr, you may not be able
+           to seek(). See QIODevice::isSequentialAccess() for more information.
+        \o Since this function opens the file without specifying the file name,
+           you cannot use this QFile with a QFileInfo.
+    \endlist
+
+    \note For Windows CE you may not be able to call seek() and resize().
+    Also, size() is set to \c 0.
+
+    \sa close(), {qmake Variable Reference#CONFIG}{qmake Variable Reference}
+
+    \bold{Note for the Windows Platform}
+
+    \a fh must be opened in binary mode (i.e., the mode string must contain
+    'b', as in "rb" or "wb") when accessing files and other random-access
+    devices. Qt will translate the end-of-line characters if you pass
+    QIODevice::Text to \a mode. Sequential devices, such as stdin and stdout,
+    are unaffected by this limitation.
+
+    You need to enable support for console applications in order to use the
+    stdin, stdout and stderr streams at the console. To do this, add the
+    following declaration to your application's project file:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qfile.cpp 4
+*/
+bool QFile::open(FILE *fh, OpenMode mode)
+{
+    Q_D(QFile);
+    if (isOpen()) {
+        qWarning("QFile::open: File (%s) already open", qPrintable(fileName()));
+        return false;
+    }
+    if (mode & Append)
+        mode |= WriteOnly;
+    unsetError();
+    if ((mode & (ReadOnly | WriteOnly)) == 0) {
+        qWarning("QFile::open: File access not specified");
+        return false;
+    }
+    if(d->openExternalFile(mode, fh)) {
+        QIODevice::open(mode);
+        if (mode & Append) {
+            seek(size());
+        } else {
+            long pos = ftell(fh);
+            if (pos != -1)
+                seek(pos);
+        }
+        return true;
+    }
+    return false;
+}
+
+/*! \fn QFile::open(OpenMode, int)
+
+    Use open(int, OpenMode) instead.
+*/
+
+/*!
+    \overload
+
+    Opens the existing file descripter \a fd in the given \a mode.
+    Returns true if successful; otherwise returns false.
+
+    When a QFile is opened using this function, close() does not
+    actually close the file.
+
+    The QFile that is opened using this function is automatically set
+    to be in raw mode; this means that the file input/output functions
+    are slow. If you run into performance issues, you should try to
+    use one of the other open functions.
+
+    \warning If \a fd is 0 (\c stdin), 1 (\c stdout), or 2 (\c
+    stderr), you may not be able to seek(). size() is set to \c
+    LLONG_MAX (in \c <climits>).
+
+    \warning For Windows CE you may not be able to call seek(), setSize(),
+    fileTime(). size() is set to \c 0.
+
+    \warning Since this function opens the file without specifying the file name,
+             you cannot use this QFile with a QFileInfo.
+
+    \sa close()
+*/
+bool QFile::open(int fd, OpenMode mode)
+{
+    Q_D(QFile);
+    if (isOpen()) {
+        qWarning("QFile::open: File (%s) already open", qPrintable(fileName()));
+        return false;
+    }
+    if (mode & Append)
+        mode |= WriteOnly;
+    unsetError();
+    if ((mode & (ReadOnly | WriteOnly)) == 0) {
+        qWarning("QFile::open: File access not specified");
+        return false;
+    }
+    if(d->openExternalFile(mode, fd)) {
+        QIODevice::open(mode);
+        if (mode & Append)
+            seek(size());
+        return true;
+    }
+    return false;
+}
+
+/*!
+  Returns the file handle of the file.
+
+  This is a small positive integer, suitable for use with C library
+  functions such as fdopen() and fcntl(). On systems that use file
+  descriptors for sockets (i.e. Unix systems, but not Windows) the handle
+  can be used with QSocketNotifier as well.
+
+  If the file is not open, or there is an error, handle() returns -1.
+
+  This function is not supported on Windows CE.
+
+  \sa QSocketNotifier
+*/
+
+int
+QFile::handle() const
+{
+    if (!isOpen())
+        return -1;
+
+    if (QAbstractFileEngine *engine = fileEngine())
+        return engine->handle();
+    return -1;
+}
+
+/*!
+    \enum QFile::MemoryMapFlags
+    \since 4.4
+
+    This enum describes special options that may be used by the map()
+    function.
+
+    \value NoOptions        No options.
+*/
+
+/*!
+    \since 4.4
+    Maps \a size bytes of the file into memory starting at \a offset.  A file
+    should be open for a map to succeed but the file does not need to stay
+    open after the memory has been mapped.  When the QFile is destroyed
+    or a new file is opened with this object, any maps that have not been
+    unmapped will automatically be unmapped.
+
+    Any mapping options can be passed through \a flags.
+
+    Returns a pointer to the memory or 0 if there is an error.
+
+    \note On Windows CE 5.0 the file will be closed before mapping occurs.
+
+    \sa unmap(), QAbstractFileEngine::supportsExtension()
+ */
+uchar *QFile::map(qint64 offset, qint64 size, MemoryMapFlags flags)
+{
+    Q_D(QFile);
+    QAbstractFileEngine *engine = fileEngine();
+    if (engine
+        && engine->supportsExtension(QAbstractFileEngine::MapExtension)) {
+        unsetError();
+        uchar *address = engine->map(offset, size, flags);
+        if (address == 0)
+            d->setError(engine->error(), engine->errorString());
+        return address;
+    }
+    return 0;
+}
+
+/*!
+    \since 4.4
+    Unmaps the memory \a address.
+
+    Returns true if the unmap succeeds; false otherwise.
+
+    \sa map(), QAbstractFileEngine::supportsExtension()
+ */
+bool QFile::unmap(uchar *address)
+{
+    Q_D(QFile);
+    QAbstractFileEngine *engine = fileEngine();
+    if (engine
+        && engine->supportsExtension(QAbstractFileEngine::UnMapExtension)) {
+        unsetError();
+        bool success = engine->unmap(address);
+        if (!success)
+            d->setError(engine->error(), engine->errorString());
+        return success;
+    }
+    return false;
+}
+
+/*!
+    \fn QString QFile::name() const
+
+    Use fileName() instead.
+*/
+
+/*!
+    \fn void QFile::setName(const QString &name)
+
+    Use setFileName() instead.
+*/
+
+/*!
+    Sets the file size (in bytes) \a sz. Returns true if the file if the
+    resize succeeds; false otherwise. If \a sz is larger than the file
+    currently is the new bytes will be set to 0, if \a sz is smaller the
+    file is simply truncated.
+
+    \sa size(), setFileName()
+*/
+
+bool
+QFile::resize(qint64 sz)
+{
+    Q_D(QFile);
+    if (!d->ensureFlushed())
+        return false;
+    if (isOpen() && fileEngine()->pos() > sz)
+        seek(sz);
+    if(fileEngine()->setSize(sz)) {
+        unsetError();
+        return true;
+    }
+    d->setError(QFile::ResizeError, errno);
+    return false;
+}
+
+/*!
+    \overload
+
+    Sets \a fileName to size (in bytes) \a sz. Returns true if the file if
+    the resize succeeds; false otherwise. If \a sz is larger than \a
+    fileName currently is the new bytes will be set to 0, if \a sz is
+    smaller the file is simply truncated.
+
+    \sa resize()
+*/
+
+bool
+QFile::resize(const QString &fileName, qint64 sz)
+{
+    return QFile(fileName).resize(sz);
+}
+
+/*!
+    Returns the complete OR-ed together combination of
+    QFile::Permission for the file.
+
+    \sa setPermissions(), setFileName()
+*/
+
+QFile::Permissions
+QFile::permissions() const
+{
+    QAbstractFileEngine::FileFlags perms = fileEngine()->fileFlags(QAbstractFileEngine::PermsMask) & QAbstractFileEngine::PermsMask;
+    return QFile::Permissions((int)perms); //ewww
+}
+
+/*!
+    \overload
+
+    Returns the complete OR-ed together combination of
+    QFile::Permission for \a fileName.
+*/
+
+QFile::Permissions
+QFile::permissions(const QString &fileName)
+{
+    return QFile(fileName).permissions();
+}
+
+/*!
+    Sets the permissions for the file to the \a permissions specified.
+    Returns true if successful, or false if the permissions cannot be
+    modified.
+
+    \sa permissions(), setFileName()
+*/
+
+bool
+QFile::setPermissions(Permissions permissions)
+{
+    Q_D(QFile);
+    if(fileEngine()->setPermissions(permissions)) {
+        unsetError();
+        return true;
+    }
+    d->setError(QFile::PermissionsError, errno);
+    return false;
+}
+
+/*!
+    \overload
+
+    Sets the permissions for \a fileName file to \a permissions.
+*/
+
+bool
+QFile::setPermissions(const QString &fileName, Permissions permissions)
+{
+    return QFile(fileName).setPermissions(permissions);
+}
+
+static inline qint64 _qfile_writeData(QAbstractFileEngine *engine, QRingBuffer *buffer)
+{
+    qint64 ret = engine->write(buffer->readPointer(), buffer->size());
+    if (ret > 0)
+        buffer->free(ret);
+    return ret;
+}
+
+/*!
+    Flushes any buffered data to the file. Returns true if successful;
+    otherwise returns false.
+*/
+
+bool
+QFile::flush()
+{
+    Q_D(QFile);
+    if (!d->writeBuffer.isEmpty()) {
+        qint64 size = d->writeBuffer.size();
+        if (_qfile_writeData(d->fileEngine ? d->fileEngine : fileEngine(),
+                             &d->writeBuffer) != size) {
+            QFile::FileError err = fileEngine()->error();
+            if(err == QFile::UnspecifiedError)
+                err = QFile::WriteError;
+            d->setError(err, fileEngine()->errorString());
+            return false;
+        }
+    }
+
+    if (!fileEngine()->flush()) {
+        QFile::FileError err = fileEngine()->error();
+        if(err == QFile::UnspecifiedError)
+            err = QFile::WriteError;
+        d->setError(err, fileEngine()->errorString());
+        return false;
+    }
+    return true;
+}
+
+/*!
+  Flushes the file and then closes it.
+
+  \sa QIODevice::close()
+*/
+void
+QFile::close()
+{
+    Q_D(QFile);
+    if(!isOpen())
+        return;
+    flush();
+    QIODevice::close();
+
+    unsetError();
+    if(!fileEngine()->close())
+        d->setError(fileEngine()->error(), fileEngine()->errorString());
+}
+
+/*!
+  Returns the size of the file.
+
+  For regular empty files on Unix (e.g. those in \c /proc), this function
+  returns 0; the contents of such a file are generated on demand in response
+  to you calling read().
+*/
+
+qint64 QFile::size() const
+{
+    Q_D(const QFile);
+    if (!d->ensureFlushed())
+        return 0;
+    return fileEngine()->size();
+}
+
+/*!
+  \reimp
+*/
+
+qint64 QFile::pos() const
+{
+    return QIODevice::pos();
+}
+
+/*!
+  Returns true if the end of the file has been reached; otherwise returns
+  false.
+
+  For regular empty files on Unix (e.g. those in \c /proc), this function
+  returns true, since the file system reports that the size of such a file is
+  0. Therefore, you should not depend on atEnd() when reading data from such a
+  file, but rather call read() until no more data can be read.
+*/
+
+bool QFile::atEnd() const
+{
+    Q_D(const QFile);
+
+    if (!isOpen())
+        return true;
+
+    if (!d->ensureFlushed())
+        return false;
+
+    // If there's buffered data left, we're not at the end.
+    if (!d->buffer.isEmpty())
+        return false;
+
+    // If the file engine knows best, say what it says.
+    if (fileEngine()->supportsExtension(QAbstractFileEngine::AtEndExtension)) {
+        // Check if the file engine supports AtEndExtension, and if it does,
+        // check if the file engine claims to be at the end.
+        return fileEngine()->atEnd();
+    }
+
+    // Fall back to checking how much is available (will stat files).
+    return bytesAvailable() == 0;
+}
+
+/*!
+  \reimp
+*/
+
+bool QFile::seek(qint64 off)
+{
+    Q_D(QFile);
+    if (!isOpen()) {
+        qWarning("QFile::seek: IODevice is not open");
+        return false;
+    }
+
+    if (!d->ensureFlushed())
+        return false;
+
+    if (!fileEngine()->seek(off) || !QIODevice::seek(off)) {
+        QFile::FileError err = fileEngine()->error();
+        if(err == QFile::UnspecifiedError)
+            err = QFile::PositionError;
+        d->setError(err, fileEngine()->errorString());
+        return false;
+    }
+    d->error = NoError;
+    return true;
+}
+
+/*!
+  \reimp
+*/
+qint64 QFile::readLineData(char *data, qint64 maxlen)
+{
+    Q_D(QFile);
+    if (!d->ensureFlushed())
+        return -1;
+
+    if (fileEngine()->supportsExtension(QAbstractFileEngine::FastReadLineExtension))
+        return fileEngine()->readLine(data, maxlen);
+
+    // Fall back to QIODevice's readLine implementation if the engine
+    // cannot do it faster.
+    return QIODevice::readLineData(data, maxlen);
+}
+
+/*!
+  \reimp
+*/
+
+qint64 QFile::readData(char *data, qint64 len)
+{
+    Q_D(QFile);
+    d->error = NoError;
+    if (!d->ensureFlushed())
+        return -1;
+
+    qint64 ret = -1;
+    qint64 read = fileEngine()->read(data, len);
+    if (read != -1)
+        ret = read;
+
+    if(ret < 0) {
+        QFile::FileError err = fileEngine()->error();
+        if(err == QFile::UnspecifiedError)
+            err = QFile::ReadError;
+        d->setError(err, fileEngine()->errorString());
+    }
+    return ret;
+}
+
+/*!
+    \internal
+*/
+bool QFilePrivate::putCharHelper(char c)
+{
+#ifdef QT_NO_QOBJECT
+    return QIODevicePrivate::putCharHelper(c);
+#else
+
+    // Cutoff for code that doesn't only touch the buffer.
+    int writeBufferSize = writeBuffer.size();
+    if ((openMode & QIODevice::Unbuffered) || writeBufferSize + 1 >= QFILE_WRITEBUFFER_SIZE
+#ifdef Q_OS_WIN
+        || ((openMode & QIODevice::Text) && c == '\n' && writeBufferSize + 2 >= QFILE_WRITEBUFFER_SIZE)
+#endif
+        ) {
+        return QIODevicePrivate::putCharHelper(c);
+    }
+
+    if (!(openMode & QIODevice::WriteOnly)) {
+        if (openMode == QIODevice::NotOpen)
+            qWarning("QIODevice::putChar: Closed device");
+        else
+            qWarning("QIODevice::putChar: ReadOnly device");
+        return false;
+    }
+
+    // Make sure the device is positioned correctly.
+    const bool sequential = isSequential();
+    if (pos != devicePos && !sequential && !q_func()->seek(pos))
+        return false;
+
+    lastWasWrite = true;
+
+    int len = 1;
+#ifdef Q_OS_WIN
+    if ((openMode & QIODevice::Text) && c == '\n') {
+        ++len;
+        *writeBuffer.reserve(1) = '\r';
+    }
+#endif
+
+    // Write to buffer.
+    *writeBuffer.reserve(1) = c;
+
+    if (!sequential) {
+        pos += len;
+        devicePos += len;
+        if (!buffer.isEmpty())
+            buffer.skip(len);
+    }
+
+    return true;
+#endif
+}
+
+/*!
+  \reimp
+*/
+
+qint64
+QFile::writeData(const char *data, qint64 len)
+{
+    Q_D(QFile);
+    d->error = NoError;
+    d->lastWasWrite = true;
+    bool buffered = !(d->openMode & Unbuffered);
+
+    // Flush buffered data if this read will overflow.
+    if (buffered && (d->writeBuffer.size() + len) > QFILE_WRITEBUFFER_SIZE) {
+        if (!flush())
+            return -1;
+    }
+
+    // Write directly to the engine if the block size is larger than
+    // the write buffer size.
+    if (!buffered || len > QFILE_WRITEBUFFER_SIZE) {
+        QAbstractFileEngine *fe = d->fileEngine ? d->fileEngine : fileEngine();
+        qint64 ret = fe->write(data, len);
+        if(ret < 0) {
+            QFile::FileError err = fileEngine()->error();
+            if(err == QFile::UnspecifiedError)
+                err = QFile::WriteError;
+            d->setError(err, fileEngine()->errorString());
+        }
+        return ret;
+    }
+
+    // Write to the buffer.
+    char *writePointer = d->writeBuffer.reserve(len);
+    if (len == 1)
+        *writePointer = *data;
+    else
+        ::memcpy(writePointer, data, len);
+    return len;
+}
+
+/*!
+    \internal
+    Returns the QIOEngine for this QFile object.
+*/
+QAbstractFileEngine *QFile::fileEngine() const
+{
+    Q_D(const QFile);
+    if(!d->fileEngine)
+        d->fileEngine = QAbstractFileEngine::create(d->fileName);
+    return d->fileEngine;
+}
+
+/*!
+    Returns the file error status.
+
+    The I/O device status returns an error code. For example, if open()
+    returns false, or a read/write operation returns -1, this function can
+    be called to find out the reason why the operation failed.
+
+    \sa unsetError()
+*/
+
+QFile::FileError
+QFile::error() const
+{
+    Q_D(const QFile);
+    return d->error;
+}
+
+/*!
+    Sets the file's error to QFile::NoError.
+
+    \sa error()
+*/
+void
+QFile::unsetError()
+{
+    Q_D(QFile);
+    d->setError(QFile::NoError);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qfile.h b/src/corelib/io/qfile.h
new file mode 100644
index 0000000000..e4ca9cc7b4
--- /dev/null
+++ b/src/corelib/io/qfile.h
@@ -0,0 +1,204 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILE_H
+#define QFILE_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qstring.h>
+#include <stdio.h>
+
+#ifdef open
+#error qfile.h must be included before any header file that defines open
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QAbstractFileEngine;
+class QFilePrivate;
+
+class Q_CORE_EXPORT QFile : public QIODevice
+{
+#ifndef QT_NO_QOBJECT
+    Q_OBJECT
+#endif
+    Q_DECLARE_PRIVATE(QFile)
+
+public:
+
+    enum FileError {
+        NoError = 0,
+        ReadError = 1,
+        WriteError = 2,
+        FatalError = 3,
+        ResourceError = 4,
+        OpenError = 5,
+        AbortError = 6,
+        TimeOutError = 7,
+        UnspecifiedError = 8,
+        RemoveError = 9,
+        RenameError = 10,
+        PositionError = 11,
+        ResizeError = 12,
+        PermissionsError = 13,
+        CopyError = 14
+#ifdef QT3_SUPPORT
+        , ConnectError = 30
+#endif
+    };
+
+    enum Permission {
+        ReadOwner = 0x4000, WriteOwner = 0x2000, ExeOwner = 0x1000,
+        ReadUser  = 0x0400, WriteUser  = 0x0200, ExeUser  = 0x0100,
+        ReadGroup = 0x0040, WriteGroup = 0x0020, ExeGroup = 0x0010,
+        ReadOther = 0x0004, WriteOther = 0x0002, ExeOther = 0x0001
+    };
+    Q_DECLARE_FLAGS(Permissions, Permission)
+
+    QFile();
+    QFile(const QString &name);
+#ifndef QT_NO_QOBJECT
+    explicit QFile(QObject *parent);
+    QFile(const QString &name, QObject *parent);
+#endif
+    ~QFile();
+
+    FileError error() const;
+    void unsetError();
+
+    QString fileName() const;
+    void setFileName(const QString &name);
+
+    typedef QByteArray (*EncoderFn)(const QString &fileName);
+    typedef QString (*DecoderFn)(const QByteArray &localfileName);
+    static QByteArray encodeName(const QString &fileName);
+    static QString decodeName(const QByteArray &localFileName);
+    inline static QString decodeName(const char *localFileName)
+        { return decodeName(QByteArray(localFileName)); };
+    static void setEncodingFunction(EncoderFn);
+    static void setDecodingFunction(DecoderFn);
+
+    bool exists() const;
+    static bool exists(const QString &fileName);
+
+    QString readLink() const;
+    static QString readLink(const QString &fileName);
+    inline QString symLinkTarget() const { return readLink(); }
+    inline static QString symLinkTarget(const QString &fileName) { return readLink(fileName); }
+
+    bool remove();
+    static bool remove(const QString &fileName);
+
+    bool rename(const QString &newName);
+    static bool rename(const QString &oldName, const QString &newName);
+
+    bool link(const QString &newName);
+    static bool link(const QString &oldname, const QString &newName);
+
+    bool copy(const QString &newName);
+    static bool copy(const QString &fileName, const QString &newName);
+
+    bool isSequential() const;
+
+    bool open(OpenMode flags);
+    bool open(FILE *f, OpenMode flags);
+    bool open(int fd, OpenMode flags);
+    virtual void close();
+
+    qint64 size() const;
+    qint64 pos() const;
+    bool seek(qint64 offset);
+    bool atEnd() const;
+    bool flush();
+
+    bool resize(qint64 sz);
+    static bool resize(const QString &filename, qint64 sz);
+
+    Permissions permissions() const;
+    static Permissions permissions(const QString &filename);
+    bool setPermissions(Permissions permissionSpec);
+    static bool setPermissions(const QString &filename, Permissions permissionSpec);
+
+    int handle() const;
+
+    enum MemoryMapFlags {
+        NoOptions = 0
+    };
+
+    uchar *map(qint64 offset, qint64 size, MemoryMapFlags flags = NoOptions);
+    bool unmap(uchar *address);
+
+    virtual QAbstractFileEngine *fileEngine() const;
+
+#ifdef QT3_SUPPORT
+    typedef Permission PermissionSpec;
+    inline QT3_SUPPORT QString name() const { return fileName(); }
+    inline QT3_SUPPORT void setName(const QString &aName) { setFileName(aName); }
+    inline QT3_SUPPORT bool open(OpenMode aFlags, FILE *f) { return open(f, aFlags); }
+    inline QT3_SUPPORT bool open(OpenMode aFlags, int fd) { return open(fd, aFlags); }
+#endif
+
+protected:
+#ifdef QT_NO_QOBJECT
+    QFile(QFilePrivate &dd);
+#else
+    QFile(QFilePrivate &dd, QObject *parent = 0);
+#endif
+
+    qint64 readData(char *data, qint64 maxlen);
+    qint64 writeData(const char *data, qint64 len);
+    qint64 readLineData(char *data, qint64 maxlen);
+
+private:
+    Q_DISABLE_COPY(QFile)
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QFile::Permissions)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QFILE_H
diff --git a/src/corelib/io/qfile_p.h b/src/corelib/io/qfile_p.h
new file mode 100644
index 0000000000..ee6f56ac20
--- /dev/null
+++ b/src/corelib/io/qfile_p.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILE_P_H
+#define QFILE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qabstractfileengine.h"
+#include "private/qiodevice_p.h"
+#include "private/qringbuffer_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QFilePrivate : public QIODevicePrivate
+{
+    Q_DECLARE_PUBLIC(QFile)
+
+protected:
+    QFilePrivate();
+    ~QFilePrivate();
+
+    bool openExternalFile(int flags, int fd);
+    bool openExternalFile(int flags, FILE *fh);
+
+    QString fileName;
+    mutable QAbstractFileEngine *fileEngine;
+    bool isOpen;
+
+    bool lastWasWrite;
+    QRingBuffer writeBuffer;
+    inline bool ensureFlushed() const;
+
+    bool putCharHelper(char c);
+    
+    QFile::FileError error;
+    void setError(QFile::FileError err);
+    void setError(QFile::FileError err, const QString &errorString);
+    void setError(QFile::FileError err, int errNum);
+
+private:
+    static QFile::EncoderFn encoder;
+    static QFile::DecoderFn decoder;
+};
+
+QT_END_NAMESPACE
+
+#endif // QFILE_P_H
diff --git a/src/corelib/io/qfileinfo.cpp b/src/corelib/io/qfileinfo.cpp
new file mode 100644
index 0000000000..96e0f8288e
--- /dev/null
+++ b/src/corelib/io/qfileinfo.cpp
@@ -0,0 +1,1427 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qfileinfo.h"
+#include "qdatetime.h"
+#include "qabstractfileengine.h"
+#include "qfsfileengine_p.h"
+#include "qglobal.h"
+#include "qatomic.h"
+#include "qhash.h"
+#include "qdir.h"
+
+QT_BEGIN_NAMESPACE
+
+class QFileInfoPrivate
+{
+public:
+    QFileInfoPrivate(const QFileInfo *copy=0);
+    ~QFileInfoPrivate();
+
+    void initFileEngine(const QString &);
+
+    enum Access {
+        ReadAccess,
+        WriteAccess,
+        ExecuteAccess
+    };
+    bool hasAccess(Access access) const;
+
+    uint getFileFlags(QAbstractFileEngine::FileFlags) const;
+    QDateTime &getFileTime(QAbstractFileEngine::FileTime) const;
+    QString getFileName(QAbstractFileEngine::FileName) const;
+
+    enum { CachedFileFlags=0x01, CachedLinkTypeFlag=0x02, CachedBundleTypeFlag=0x04,
+           CachedMTime=0x10, CachedCTime=0x20, CachedATime=0x40,
+           CachedSize =0x08 };
+    struct Data {
+        inline Data()
+            : ref(1), fileEngine(0), cache_enabled(1)
+        { clear(); }
+        inline Data(const Data &copy)
+            : ref(1), fileEngine(QAbstractFileEngine::create(copy.fileName)),
+              fileName(copy.fileName), cache_enabled(copy.cache_enabled)
+        { clear(); }
+        inline ~Data() { delete fileEngine; }
+        inline void clearFlags() {
+            fileFlags = 0;
+            cachedFlags = 0;
+            if (fileEngine)
+                (void)fileEngine->fileFlags(QFSFileEngine::Refresh);
+        }
+        inline void clear() {
+            fileNames.clear();
+            clearFlags();
+        }
+        mutable QAtomicInt ref;
+
+        QAbstractFileEngine *fileEngine;
+        mutable QString fileName;
+        mutable QHash<int, QString> fileNames;
+
+        mutable uint cachedFlags : 31;
+        mutable uint cache_enabled : 1;
+        mutable uint fileFlags;
+        mutable qint64 fileSize;
+        mutable QDateTime fileTimes[3];
+        inline bool getCachedFlag(uint c) const
+        { return cache_enabled ? (cachedFlags & c) : 0; }
+        inline void setCachedFlag(uint c)
+        { if (cache_enabled) cachedFlags |= c; }
+    } *data;
+    inline void reset() {
+        detach();
+        data->clear();
+    }
+    void detach();
+};
+
+QFileInfoPrivate::QFileInfoPrivate(const QFileInfo *copy)
+{
+    if(copy) {
+        copy->d_func()->data->ref.ref();
+        data = copy->d_func()->data;
+    } else {
+        data = new QFileInfoPrivate::Data;
+        data->clear();
+    }
+}
+
+QFileInfoPrivate::~QFileInfoPrivate()
+{
+    if (!data->ref.deref())
+        delete data;
+    data = 0;
+}
+
+void QFileInfoPrivate::initFileEngine(const QString &file)
+{
+    detach();
+    delete data->fileEngine;
+    data->fileEngine = 0;
+    data->clear();
+    data->fileEngine = QAbstractFileEngine::create(file);
+    data->fileName = file;
+}
+
+bool QFileInfoPrivate::hasAccess(Access access) const
+{
+    if (!(getFileFlags(QAbstractFileEngine::FileInfoAll) & QAbstractFileEngine::LocalDiskFlag)) {
+        switch (access) {
+        case ReadAccess:
+            return getFileFlags(QAbstractFileEngine::ReadUserPerm);
+        case WriteAccess:
+            return getFileFlags(QAbstractFileEngine::WriteUserPerm);
+        case ExecuteAccess:
+            return getFileFlags(QAbstractFileEngine::ExeUserPerm);
+        default:
+            return false;
+        }
+    }
+
+    int mode = 0;
+    switch (access) {
+    case ReadAccess:
+        mode = R_OK;
+        break;
+    case WriteAccess:
+        mode = W_OK;
+        break;
+    case ExecuteAccess:
+        mode = X_OK;
+        break;
+    };
+#ifdef Q_OS_UNIX
+    return QT_ACCESS(QFile::encodeName(data->fileName).data(), mode) == 0;
+#endif
+#ifdef Q_OS_WIN
+    if ((access == ReadAccess && !getFileFlags(QAbstractFileEngine::ReadUserPerm))
+        || (access == WriteAccess && !getFileFlags(QAbstractFileEngine::WriteUserPerm))) {
+        return false;
+    }
+    if (access == ExecuteAccess)
+        return getFileFlags(QAbstractFileEngine::ExeUserPerm);
+
+    QT_WA( {
+        return ::_waccess((TCHAR *)QFSFileEnginePrivate::longFileName(data->fileName).utf16(), mode) == 0;
+    } , {
+        return QT_ACCESS(QFSFileEnginePrivate::win95Name(data->fileName), mode) == 0;
+    } );
+#endif
+    return false;
+}
+
+void QFileInfoPrivate::detach()
+{
+    qAtomicDetach(data);
+}
+
+QString QFileInfoPrivate::getFileName(QAbstractFileEngine::FileName name) const
+{
+    if(data->cache_enabled && data->fileNames.contains((int)name))
+        return data->fileNames.value(name);
+    QString ret = data->fileEngine->fileName(name);
+    if(data->cache_enabled)
+        data->fileNames.insert((int)name, ret);
+    return ret;
+}
+
+uint QFileInfoPrivate::getFileFlags(QAbstractFileEngine::FileFlags request) const
+{
+    // We split the testing into tests for for LinkType, BundleType and the rest.
+    // In order to determine if a file is a symlink or not, we have to lstat().
+    // If we're not interested in that information, we might as well avoid one
+    // extra syscall. Bundle detecton on Mac can be slow, expecially on network
+    // paths, so we separate out that as well.
+
+    QAbstractFileEngine::FileFlags flags;
+    if (!data->getCachedFlag(CachedFileFlags)) {
+        QAbstractFileEngine::FileFlags req = QAbstractFileEngine::FileInfoAll;
+        req &= (~QAbstractFileEngine::LinkType);
+        req &= (~QAbstractFileEngine::BundleType);
+
+        flags = data->fileEngine->fileFlags(req);
+        data->setCachedFlag(CachedFileFlags);
+        data->fileFlags |= uint(flags);
+    } else {
+        flags = QAbstractFileEngine::FileFlags(data->fileFlags & request);
+    }
+
+    if (request & QAbstractFileEngine::LinkType) {
+        if (!data->getCachedFlag(CachedLinkTypeFlag)) {
+            QAbstractFileEngine::FileFlags linkflag;
+            linkflag = data->fileEngine->fileFlags(QAbstractFileEngine::LinkType);
+
+            data->setCachedFlag(CachedLinkTypeFlag);
+            data->fileFlags |= uint(linkflag);
+            flags |= linkflag;
+        }
+    }
+
+    if (request & QAbstractFileEngine::BundleType) {
+        if (!data->getCachedFlag(CachedBundleTypeFlag)) {
+            QAbstractFileEngine::FileFlags bundleflag;
+            bundleflag = data->fileEngine->fileFlags(QAbstractFileEngine::BundleType);
+
+            data->setCachedFlag(CachedBundleTypeFlag);
+            data->fileFlags |= uint(bundleflag);
+            flags |= bundleflag;
+        }
+    }
+
+    // no else branch
+    // if we had it cached, it was caught in the previous else branch
+
+    return flags & request;
+}
+
+QDateTime &QFileInfoPrivate::getFileTime(QAbstractFileEngine::FileTime request) const
+{
+    if (!data->cache_enabled)
+        data->clearFlags();
+    if(request == QAbstractFileEngine::CreationTime) {
+        if(data->getCachedFlag(CachedCTime))
+            return data->fileTimes[request];
+        data->setCachedFlag(CachedCTime);
+        return (data->fileTimes[request] = data->fileEngine->fileTime(request));
+    }
+    if(request == QAbstractFileEngine::ModificationTime) {
+        if(data->getCachedFlag(CachedMTime))
+            return data->fileTimes[request];
+        data->setCachedFlag(CachedMTime);
+        return (data->fileTimes[request] = data->fileEngine->fileTime(request));
+    }
+    if(request == QAbstractFileEngine::AccessTime) {
+        if(data->getCachedFlag(CachedATime))
+            return data->fileTimes[request];
+        data->setCachedFlag(CachedATime);
+        return (data->fileTimes[request] = data->fileEngine->fileTime(request));
+    }
+    return data->fileTimes[0]; //cannot really happen
+}
+
+//************* QFileInfo
+
+/*!
+    \class QFileInfo
+    \reentrant
+    \brief The QFileInfo class provides system-independent file information.
+
+    \ingroup io
+    \ingroup shared
+
+    QFileInfo provides information about a file's name and position
+    (path) in the file system, its access rights and whether it is a
+    directory or symbolic link, etc. The file's size and last
+    modified/read times are also available. QFileInfo can also be
+    used to obtain information about a Qt \l{resource
+    system}{resource}.
+
+    A QFileInfo can point to a file with either a relative or an
+    absolute file path. Absolute file paths begin with the directory
+    separator "/" (or with a drive specification on Windows). Relative
+    file names begin with a directory name or a file name and specify
+    a path relative to the current working directory. An example of an
+    absolute path is the string "/tmp/quartz". A relative path might
+    look like "src/fatlib". You can use the function isRelative() to
+    check whether a QFileInfo is using a relative or an absolute file
+    path. You can call the function makeAbsolute() to convert a
+    relative QFileInfo's path to an absolute path.
+
+    The file that the QFileInfo works on is set in the constructor or
+    later with setFile(). Use exists() to see if the file exists and
+    size() to get its size.
+
+    The file's type is obtained with isFile(), isDir() and
+    isSymLink(). The symLinkTarget() function provides the name of the file
+    the symlink points to.
+
+    On Unix (including Mac OS X), the symlink has the same size() has
+    the file it points to, because Unix handles symlinks
+    transparently; similarly, opening a symlink using QFile
+    effectively opens the link's target. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 0
+
+    On Windows, symlinks (shortcuts) are \c .lnk files. The reported
+    size() is that of the symlink (not the link's target), and
+    opening a symlink using QFile opens the \c .lnk file. For
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 1
+
+    Elements of the file's name can be extracted with path() and
+    fileName(). The fileName()'s parts can be extracted with
+    baseName(), suffix() or completeSuffix(). QFileInfo objects to
+    directories created by Qt classes will not have a trailing file
+    separator. If you wish to use trailing separators in your own file
+    info objects, just append one to the file name given to the constructors
+    or setFile().
+
+    The file's dates are returned by created(), lastModified() and
+    lastRead(). Information about the file's access permissions is
+    obtained with isReadable(), isWritable() and isExecutable(). The
+    file's ownership is available from owner(), ownerId(), group() and
+    groupId(). You can examine a file's permissions and ownership in a
+    single statement using the permission() function.
+
+    \section1 Performance Issues
+
+    Some of QFileInfo's functions query the file system, but for
+    performance reasons, some functions only operate on the
+    file name itself. For example: To return the absolute path of
+    a relative file name, absolutePath() has to query the file system.
+    The path() function, however, can work on the file name directly,
+    and so it is faster.
+
+    \note To speed up performance, QFileInfo caches information about
+    the file.
+
+    To speed up performance, QFileInfo caches information about the
+    file. Because files can be changed by other users or programs, or
+    even by other parts of the same program, there is a function that
+    refreshes the file information: refresh(). If you want to switch
+    off a QFileInfo's caching and force it to access the file system
+    every time you request information from it call setCaching(false).
+
+    \sa QDir, QFile
+*/
+
+/*!
+    Constructs an empty QFileInfo object.
+
+    Note that an empty QFileInfo object contain no file reference.
+
+    \sa setFile()
+*/
+
+QFileInfo::QFileInfo() : d_ptr(new QFileInfoPrivate())
+{
+}
+
+/*!
+    Constructs a new QFileInfo that gives information about the given
+    file. The \a file can also include an absolute or relative path.
+
+    \sa setFile(), isRelative(), QDir::setCurrent(), QDir::isRelativePath()
+*/
+
+QFileInfo::QFileInfo(const QString &file) : d_ptr(new QFileInfoPrivate())
+{
+    d_ptr->initFileEngine(file);
+}
+
+/*!
+    Constructs a new QFileInfo that gives information about file \a
+    file.
+
+    If the \a file has a relative path, the QFileInfo will also have a
+    relative path.
+
+    \sa isRelative()
+*/
+
+QFileInfo::QFileInfo(const QFile &file) : d_ptr(new QFileInfoPrivate())
+{
+    d_ptr->initFileEngine(file.fileName());
+}
+
+/*!
+    Constructs a new QFileInfo that gives information about the given
+    \a file in the directory \a dir.
+
+    If \a dir has a relative path, the QFileInfo will also have a
+    relative path.
+
+    If \a file is an absolute path, then the directory specified
+    by \a dir will be disregarded.
+
+    \sa isRelative()
+*/
+
+QFileInfo::QFileInfo(const QDir &dir, const QString &file) : d_ptr(new QFileInfoPrivate())
+{
+    d_ptr->initFileEngine(dir.filePath(file));
+}
+
+/*!
+    Constructs a new QFileInfo that is a copy of the given \a fileinfo.
+*/
+
+QFileInfo::QFileInfo(const QFileInfo &fileinfo) : d_ptr(new QFileInfoPrivate(&fileinfo))
+{
+
+}
+
+/*!
+    Destroys the QFileInfo and frees its resources.
+*/
+
+
+QFileInfo::~QFileInfo()
+{
+    delete d_ptr;
+    d_ptr = 0;
+}
+
+/*!
+    \fn bool QFileInfo::operator!=(const QFileInfo &fileinfo)
+
+    Returns true if this QFileInfo object refers to a different file
+    than the one specified by \a fileinfo; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*!
+    \overload
+    \fn bool QFileInfo::operator!=(const QFileInfo &fileinfo) const
+*/
+
+/*!
+    \overload
+*/
+bool QFileInfo::operator==(const QFileInfo &fileinfo) const
+{
+    Q_D(const QFileInfo);
+    // ### Qt 5: understand long and short file names on Windows
+    // ### (GetFullPathName()).
+    if(fileinfo.d_func()->data == d->data)
+        return true;
+    if(!d->data->fileEngine || !fileinfo.d_func()->data->fileEngine)
+        return false;
+    if(d->data->fileEngine->caseSensitive() != fileinfo.d_func()->data->fileEngine->caseSensitive())
+        return false;
+    if(fileinfo.size() == size()) { //if the size isn't the same...
+        QString file1 = canonicalFilePath(),
+                file2 = fileinfo.canonicalFilePath();
+        if(file1.length() == file2.length()) {
+            if(!fileinfo.d_func()->data->fileEngine->caseSensitive()) {
+                for(int i = 0; i < file1.length(); i++) {
+                    if(file1.at(i).toLower() != file2.at(i).toLower())
+                        return false;
+                }
+                return true;
+            }
+            return (file1 == file2);
+        }
+    }
+    return false;
+}
+
+/*!
+    Returns true if this QFileInfo object refers to a file in the same
+    location as \a fileinfo; otherwise returns false.
+
+    Note that the result of comparing two empty QFileInfo objects,
+    containing no file references, is undefined.
+
+    \warning This will not compare two different symbolic links
+    pointing to the same file.
+
+    \warning Long and short file names that refer to the same file on Windows
+    are treated as if they referred to different files.
+
+    \sa operator!=()
+*/
+bool QFileInfo::operator==(const QFileInfo &fileinfo)
+{
+    return const_cast<const QFileInfo *>(this)->operator==(fileinfo);
+}
+
+/*!
+    Makes a copy of the given \a fileinfo and assigns it to this QFileInfo.
+*/
+
+QFileInfo &QFileInfo::operator=(const QFileInfo &fileinfo)
+{
+    Q_D(QFileInfo);
+    qAtomicAssign(d->data, fileinfo.d_func()->data);
+    return *this;
+}
+
+/*!
+    Sets the file that the QFileInfo provides information about to \a
+    file.
+
+    The \a file can also include an absolute or relative file path.
+    Absolute paths begin with the directory separator (e.g. "/" under
+    Unix) or a drive specification (under Windows). Relative file
+    names begin with a directory name or a file name and specify a
+    path relative to the current directory.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 2
+
+    \sa isRelative(), QDir::setCurrent(), QDir::isRelativePath()
+*/
+
+void QFileInfo::setFile(const QString &file)
+{
+    Q_D(QFileInfo);
+    d->initFileEngine(file);
+}
+
+/*!
+    \overload
+
+    Sets the file that the QFileInfo provides information about to \a
+    file.
+
+    If \a file includes a relative path, the QFileInfo will also have
+    a relative path.
+
+    \sa isRelative()
+*/
+
+void QFileInfo::setFile(const QFile &file)
+{
+    Q_D(QFileInfo);
+    d->initFileEngine(file.fileName());
+}
+
+/*!
+    \overload
+
+    Sets the file that the QFileInfo provides information about to \a
+    file in directory \a dir.
+
+    If \a file includes a relative path, the QFileInfo will also
+    have a relative path.
+
+    \sa isRelative()
+*/
+
+void QFileInfo::setFile(const QDir &dir, const QString &file)
+{
+    Q_D(QFileInfo);
+    d->initFileEngine(dir.filePath(file));
+}
+
+/*!
+    Returns an absolute path including the file name.
+
+    The absolute path name consists of the full path and the file
+    name. On Unix this will always begin with the root, '/',
+    directory. On Windows this will always begin 'D:/' where D is a
+    drive letter, except for network shares that are not mapped to a
+    drive letter, in which case the path will begin '//sharename/'.
+    QFileInfo will uppercase drive letters. Note that QDir does not do
+    this. The code snippet below shows this.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp newstuff
+
+    This function returns the same as filePath(), unless isRelative()
+    is true. In contrast to canonicalFilePath(), symbolic links or
+    redundant "." or ".." elements are not necessarily removed.
+
+    If the QFileInfo is empty it returns QDir::currentPath().
+
+    \sa filePath(), canonicalFilePath(), isRelative()
+*/
+QString QFileInfo::absoluteFilePath() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::AbsoluteName);
+}
+
+/*!
+  Returns the canonical path including the file name, i.e. an absolute
+  path without symbolic links or redundant "." or ".." elements.
+
+  If the file does not exist, canonicalFilePath() returns an empty
+  string.
+
+  \sa filePath(), absoluteFilePath(), dir()
+*/
+
+QString QFileInfo::canonicalFilePath() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::CanonicalName);
+}
+
+
+/*!
+    Returns a file's path absolute path. This doesn't include the
+    file name.
+
+    On Unix the absolute path will always begin with the root, '/',
+    directory. On Windows this will always begin 'D:/' where D is a
+    drive letter, except for network shares that are not mapped to a
+    drive letter, in which case the path will begin '//sharename/'.
+
+    In contrast to canonicalPath() symbolic links or redundant "." or
+    ".." elements are not necessarily removed.
+
+    \warning If the QFileInfo object was created with an empty QString,
+              the behavior of this function is undefined.
+
+    \sa absoluteFilePath(), path(), canonicalPath(), fileName(), isRelative()
+*/
+
+QString QFileInfo::absolutePath() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::AbsolutePathName);
+}
+
+/*!
+    Returns the file's path canonical path (excluding the file name),
+    i.e. an absolute path without symbolic links or redundant "." or ".." elements.
+
+    If the file does not exist, canonicalPath() returns an empty string.
+
+    \sa path(), absolutePath()
+*/
+
+QString QFileInfo::canonicalPath() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::CanonicalPathName);
+}
+
+
+/*!
+    Returns the file's path. This doesn't include the file name.
+
+    Note that, if this QFileInfo object is given a path ending in a
+    slash, the name of the file is considered empty and this function
+    will return the entire path.
+
+    \sa filePath(), absolutePath(), canonicalPath(), dir(), fileName(), isRelative()
+*/
+
+QString QFileInfo::path() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::PathName);
+}
+
+/*!
+    \fn bool QFileInfo::isAbsolute() const
+
+    Returns true if the file path name is absolute, otherwise returns
+    false if the path is relative.
+
+    \sa isRelative()
+*/
+
+/*!
+    Returns true if the file path name is relative, otherwise returns
+    false if the path is absolute (e.g. under Unix a path is absolute
+    if it begins with a "/").
+
+    \sa isAbsolute()
+*/
+
+bool QFileInfo::isRelative() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return true;
+    return d->data->fileEngine->isRelativePath();
+}
+
+
+/*!
+    Converts the file's path to an absolute path if it is not already in that form.
+    Returns true to indicate that the path was converted; otherwise returns false
+    to indicate that the path was already absolute.
+
+    \sa filePath(), isRelative()
+*/
+
+bool QFileInfo::makeAbsolute()
+{
+    Q_D(QFileInfo);
+    if(!d->data->fileEngine || !d->data->fileEngine->isRelativePath())
+        return false;
+    QString absFileName = d->getFileName(QAbstractFileEngine::AbsoluteName);
+    d->initFileEngine(absFileName);
+    return true;
+}
+
+/*!
+    Returns true if the file exists; otherwise returns false.
+
+    \note If the file is a symlink that points to a non existing
+     file, false is returned.
+*/
+
+bool QFileInfo::exists() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->getFileFlags(QAbstractFileEngine::ExistsFlag);
+}
+
+/*!
+    Refreshes the information about the file, i.e. reads in information
+    from the file system the next time a cached property is fetched.
+
+   \note On Windows CE, there might be a delay for the file system driver
+    to detect changes on the file.
+*/
+
+void QFileInfo::refresh()
+{
+    Q_D(QFileInfo);
+    d->reset();
+}
+
+/*!
+    Returns the file name, including the path (which may be absolute
+    or relative).
+
+    \sa absoluteFilePath(), canonicalFilePath(), isRelative()
+*/
+
+QString QFileInfo::filePath() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::DefaultName);
+}
+
+/*!
+    Returns the name of the file, excluding the path.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 3
+
+    Note that, if this QFileInfo object is given a path ending in a
+    slash, the name of the file is considered empty.
+
+    \sa isRelative(), filePath(), baseName(), extension()
+*/
+
+QString QFileInfo::fileName() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::BaseName);
+}
+
+/*!
+    \since 4.3
+    Returns the name of the bundle.
+
+    On Mac OS X this returns the proper localized name for a bundle if the
+    path isBundle(). On all other platforms an empty QString is returned.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 4
+
+    \sa isBundle(), filePath(), baseName(), extension()
+*/
+
+QString QFileInfo::bundleName() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::BundleName);
+}
+
+/*!
+    Returns the base name of the file without the path.
+
+    The base name consists of all characters in the file up to (but
+    not including) the \e first '.' character.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 5
+
+
+    The base name of a file is computed equally on all platforms, independent
+    of file naming conventions (e.g., ".bashrc" on Unix has an empty base
+    name, and the suffix is "bashrc").
+
+    \sa fileName(), suffix(), completeSuffix(), completeBaseName()
+*/
+
+QString QFileInfo::baseName() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::BaseName).section(QLatin1Char('.'), 0, 0);
+}
+
+/*!
+    Returns the complete base name of the file without the path.
+
+    The complete base name consists of all characters in the file up
+    to (but not including) the \e last '.' character.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 6
+
+    \sa fileName(), suffix(), completeSuffix(), baseName()
+*/
+
+QString QFileInfo::completeBaseName() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    QString name = d->getFileName(QAbstractFileEngine::BaseName);
+    int index = name.lastIndexOf(QLatin1Char('.'));
+    return (index == -1) ? name : name.left(index);
+}
+
+/*!
+    Returns the complete suffix of the file.
+
+    The complete suffix consists of all characters in the file after
+    (but not including) the first '.'.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 7
+
+    \sa fileName(), suffix(), baseName(), completeBaseName()
+*/
+
+QString QFileInfo::completeSuffix() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    QString fileName = d->getFileName(QAbstractFileEngine::BaseName);
+    int firstDot = fileName.indexOf(QLatin1Char('.'));
+    if (firstDot == -1)
+        return QLatin1String("");
+    return fileName.mid(firstDot + 1);
+}
+
+/*!
+    Returns the suffix of the file.
+
+    The suffix consists of all characters in the file after (but not
+    including) the last '.'.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 8
+
+    The suffix of a file is computed equally on all platforms, independent of
+    file naming conventions (e.g., ".bashrc" on Unix has an empty base name,
+    and the suffix is "bashrc").
+
+    \sa fileName(), completeSuffix(), baseName(), completeBaseName()
+*/
+
+QString QFileInfo::suffix() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    QString fileName = d->getFileName(QAbstractFileEngine::BaseName);
+    int lastDot = fileName.lastIndexOf(QLatin1Char('.'));
+    if (lastDot == -1)
+        return QLatin1String("");
+    return fileName.mid(lastDot + 1);
+}
+
+
+/*!
+  Returns the path of the object's parent directory as a QDir object.
+
+  \bold{Note:} The QDir returned always corresponds to the object's
+  parent directory, even if the QFileInfo represents a directory.
+  
+  For each of the follwing, dir() returns a QDir for
+  \c{"~/examples/191697"}.
+
+  \snippet doc/src/snippets/fileinfo/main.cpp 0
+
+  For each of the follwing, dir() returns a QDir for
+  \c{"."}.
+
+  \snippet doc/src/snippets/fileinfo/main.cpp 1
+
+  \sa absolutePath(), filePath(), fileName(), isRelative(), absoluteDir()
+*/
+
+QDir QFileInfo::dir() const
+{
+    // ### Qt5: Maybe rename this to parentDirectory(), considering what it actually do?
+    return QDir(path());
+}
+
+/*!
+    Returns the file's absolute path as a QDir object.
+
+    \sa dir(), filePath(), fileName(), isRelative()
+*/
+
+QDir QFileInfo::absoluteDir() const
+{
+    return QDir(absolutePath());
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    Use absoluteDir() or the dir() overload that takes no parameters
+    instead.
+*/
+QDir QFileInfo::dir(bool absPath) const
+{
+    if(absPath)
+        return absoluteDir();
+    return dir();
+}
+#endif //QT3_SUPPORT
+
+/*!
+    Returns true if the user can read the file; otherwise returns false.
+
+    \sa isWritable(), isExecutable(), permission()
+*/
+
+bool QFileInfo::isReadable() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->hasAccess(QFileInfoPrivate::ReadAccess);
+}
+
+/*!
+    Returns true if the user can write to the file; otherwise returns false.
+
+    \sa isReadable(), isExecutable(), permission()
+*/
+
+bool QFileInfo::isWritable() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->hasAccess(QFileInfoPrivate::WriteAccess);
+}
+
+/*!
+    Returns true if the file is executable; otherwise returns false.
+
+    \sa isReadable(), isWritable(), permission()
+*/
+
+bool QFileInfo::isExecutable() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->hasAccess(QFileInfoPrivate::ExecuteAccess);
+}
+
+/*!
+    Returns true if this is a `hidden' file; otherwise returns false.
+
+    \bold{Note:} This function returns true for the special entries
+    "." and ".." on Unix, even though QDir::entryList threats them as shown.
+*/
+bool QFileInfo::isHidden() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->getFileFlags(QAbstractFileEngine::HiddenFlag);
+}
+
+/*!
+    Returns true if this object points to a file or to a symbolic
+    link to a file. Returns false if the
+    object points to something which isn't a file, such as a directory.
+
+    \sa isDir(), isSymLink(), isBundle()
+*/
+
+bool QFileInfo::isFile() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->getFileFlags(QAbstractFileEngine::FileType);
+}
+
+/*!
+    Returns true if this object points to a directory or to a symbolic
+    link to a directory; otherwise returns false.
+
+    \sa isFile(), isSymLink(), isBundle()
+*/
+
+bool QFileInfo::isDir() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->getFileFlags(QAbstractFileEngine::DirectoryType);
+}
+
+
+/*!
+    \since 4.3
+    Returns true if this object points to a bundle or to a symbolic
+    link to a bundle on Mac OS X; otherwise returns false.
+
+    \sa isDir(), isSymLink(), isFile()
+*/
+
+bool QFileInfo::isBundle() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->getFileFlags(QAbstractFileEngine::BundleType);
+}
+
+/*!
+    Returns true if this object points to a symbolic link (or to a
+    shortcut on Windows); otherwise returns false.
+
+    On Unix (including Mac OS X), opening a symlink effectively opens
+    the \l{symLinkTarget()}{link's target}. On Windows, it opens the \c
+    .lnk file itself.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 9
+
+    \note If the symlink points to a non existing file, exists() returns
+     false.
+
+    \sa isFile(), isDir(), symLinkTarget()
+*/
+
+bool QFileInfo::isSymLink() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->getFileFlags(QAbstractFileEngine::LinkType);
+}
+
+/*!
+  Returns true if the object points to a directory or to a symbolic
+  link to a directory, and that directory is the root directory; otherwise
+  returns false.
+*/
+
+bool QFileInfo::isRoot() const
+{
+    Q_D(const QFileInfo);
+    if (!d->data->fileEngine)
+        return true;
+    return d->getFileFlags(QAbstractFileEngine::RootFlag);
+}
+
+/*!
+    \fn QString QFileInfo::symLinkTarget() const
+    \since 4.2
+
+    Returns the absolute path to the file or directory a symlink (or shortcut
+    on Windows) points to, or a an empty string if the object isn't a symbolic
+    link.
+
+    This name may not represent an existing file; it is only a string.
+    QFileInfo::exists() returns true if the symlink points to an
+    existing file.
+
+    \sa exists(), isSymLink(), isDir(), isFile()
+*/
+
+/*!
+    \obsolete
+
+    Use symLinkTarget() instead.
+*/
+QString QFileInfo::readLink() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->getFileName(QAbstractFileEngine::LinkName);
+}
+
+/*!
+    Returns the owner of the file. On systems where files
+    do not have owners, or if an error occurs, an empty string is
+    returned.
+
+    This function can be time consuming under Unix (in the order of
+    milliseconds).
+
+    \sa ownerId(), group(), groupId()
+*/
+
+QString QFileInfo::owner() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->data->fileEngine->owner(QAbstractFileEngine::OwnerUser);
+}
+
+/*!
+    Returns the id of the owner of the file.
+
+    On Windows and on systems where files do not have owners this
+    function returns ((uint) -2).
+
+    \sa owner(), group(), groupId()
+*/
+
+uint QFileInfo::ownerId() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return 0;
+    return d->data->fileEngine->ownerId(QAbstractFileEngine::OwnerUser);
+}
+
+/*!
+    Returns the group of the file. On Windows, on systems where files
+    do not have groups, or if an error occurs, an empty string is
+    returned.
+
+    This function can be time consuming under Unix (in the order of
+    milliseconds).
+
+    \sa groupId(), owner(), ownerId()
+*/
+
+QString QFileInfo::group() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QLatin1String("");
+    return d->data->fileEngine->owner(QAbstractFileEngine::OwnerGroup);
+}
+
+/*!
+    Returns the id of the group the file belongs to.
+
+    On Windows and on systems where files do not have groups this
+    function always returns (uint) -2.
+
+    \sa group(), owner(), ownerId()
+*/
+
+uint QFileInfo::groupId() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return 0;
+    return d->data->fileEngine->ownerId(QAbstractFileEngine::OwnerGroup);
+}
+
+/*!
+    Tests for file permissions. The \a permissions argument can be
+    several flags of type QFile::Permissions OR-ed together to check
+    for permission combinations.
+
+    On systems where files do not have permissions this function
+    always returns true.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qfileinfo.cpp 10
+
+    \sa isReadable(), isWritable(), isExecutable()
+*/
+
+bool QFileInfo::permission(QFile::Permissions permissions) const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return false;
+    return d->getFileFlags(QAbstractFileEngine::FileFlags((int)permissions)) == (uint)permissions;
+}
+
+/*!
+    Returns the complete OR-ed together combination of
+    QFile::Permissions for the file.
+*/
+
+QFile::Permissions QFileInfo::permissions() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return 0;
+    return QFile::Permissions(d->getFileFlags(QAbstractFileEngine::PermsMask) & QAbstractFileEngine::PermsMask);
+}
+
+
+/*!
+    Returns the file size in bytes. If the file does not exist or cannot be
+    fetched, 0 is returned.
+
+    \sa exists()
+*/
+
+qint64 QFileInfo::size() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return 0;
+    if(!d->data->getCachedFlag(QFileInfoPrivate::CachedSize)) {
+        d->data->setCachedFlag(QFileInfoPrivate::CachedSize);
+        d->data->fileSize = d->data->fileEngine->size();
+    }
+    return d->data->fileSize;
+}
+
+/*!
+    Returns the date and time when the file was created.
+
+    On most Unix systems, this function returns the time of the last
+    status change. A status change occurs when the file is created,
+    but it also occurs whenever the user writes or sets inode
+    information (for example, changing the file permissions).
+
+    If neither creation time nor "last status change" time are not
+    available, returns the same as lastModified().
+
+    \sa lastModified() lastRead()
+*/
+
+QDateTime QFileInfo::created() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QDateTime();
+    return d->getFileTime(QAbstractFileEngine::CreationTime);
+}
+
+/*!
+    Returns the date and time when the file was last modified.
+
+    \sa created() lastRead()
+*/
+
+QDateTime QFileInfo::lastModified() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QDateTime();
+    return d->getFileTime(QAbstractFileEngine::ModificationTime);
+}
+
+/*!
+    Returns the date and time when the file was last read (accessed).
+
+    On platforms where this information is not available, returns the
+    same as lastModified().
+
+    \sa created() lastModified()
+*/
+
+QDateTime QFileInfo::lastRead() const
+{
+    Q_D(const QFileInfo);
+    if(!d->data->fileEngine)
+        return QDateTime();
+    return d->getFileTime(QAbstractFileEngine::AccessTime);
+}
+
+/*! \internal
+    Detaches all internal data.
+*/
+
+void QFileInfo::detach()
+{
+    Q_D(QFileInfo);
+    d->detach();
+}
+
+/*!
+    Returns true if caching is enabled; otherwise returns false.
+
+    \sa setCaching(), refresh()
+*/
+
+bool QFileInfo::caching() const
+{
+    Q_D(const QFileInfo);
+    return d->data->cache_enabled;
+}
+
+/*!
+    If \a enable is true, enables caching of file information. If \a
+    enable is false caching is disabled.
+
+    When caching is enabled, QFileInfo reads the file information from
+    the file system the first time it's needed, but generally not
+    later.
+
+    Caching is enabled by default.
+
+    \sa refresh(), caching()
+*/
+
+void QFileInfo::setCaching(bool enable)
+{
+    Q_D(QFileInfo);
+    detach();
+    d->data->cache_enabled = enable;
+}
+
+/*!
+    \fn QString QFileInfo::baseName(bool complete)
+
+    Use completeBaseName() or the baseName() overload that takes no
+    parameters instead.
+*/
+
+/*!
+    \fn QString QFileInfo::extension(bool complete = true) const
+
+    Use completeSuffix() or suffix() instead.
+*/
+
+/*!
+    \fn QString QFileInfo::absFilePath() const
+
+    Use absoluteFilePath() instead.
+*/
+
+/*!
+    \fn QString QFileInfo::dirPath(bool absPath) const
+
+    Use absolutePath() if the absolute path is wanted (\a absPath
+    is true) or path() if it's not necessary (\a absPath is false).
+*/
+
+/*!
+    \fn bool QFileInfo::convertToAbs()
+
+    Use makeAbsolute() instead.
+*/
+
+/*!
+    \enum QFileInfo::Permission
+
+    \compat
+
+    \value ReadOwner
+    \value WriteOwner
+    \value ExeOwner
+    \value ReadUser
+    \value WriteUser
+    \value ExeUser
+    \value ReadGroup
+    \value WriteGroup
+    \value ExeGroup
+    \value ReadOther
+    \value WriteOther
+    \value ExeOther
+*/
+
+/*!
+    \fn bool QFileInfo::permission(PermissionSpec permissions) const
+    \compat
+
+    Use permission() instead.
+*/
+
+/*!
+    \typedef QFileInfoList
+    \relates QFileInfo
+
+    Synonym for QList<QFileInfo>.
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qfileinfo.h b/src/corelib/io/qfileinfo.h
new file mode 100644
index 0000000000..97997a35db
--- /dev/null
+++ b/src/corelib/io/qfileinfo.h
@@ -0,0 +1,187 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILEINFO_H
+#define QFILEINFO_H
+
+#include <QtCore/qfile.h>
+#include <QtCore/qlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QDir;
+class QDateTime;
+class QFileInfoPrivate;
+
+class Q_CORE_EXPORT QFileInfo
+{
+public:
+    QFileInfo();
+    QFileInfo(const QString &file);
+    QFileInfo(const QFile &file);
+    QFileInfo(const QDir &dir, const QString &file);
+    QFileInfo(const QFileInfo &fileinfo);
+    ~QFileInfo();
+
+    QFileInfo &operator=(const QFileInfo &fileinfo);
+    bool operator==(const QFileInfo &fileinfo); // 5.0 - remove me
+    bool operator==(const QFileInfo &fileinfo) const;
+    inline bool operator!=(const QFileInfo &fileinfo) { return !(operator==(fileinfo)); } // 5.0 - remove me
+    inline bool operator!=(const QFileInfo &fileinfo) const { return !(operator==(fileinfo)); }
+
+    void setFile(const QString &file);
+    void setFile(const QFile &file);
+    void setFile(const QDir &dir, const QString &file);
+    bool exists() const;
+    void refresh();
+
+    QString filePath() const;
+    QString absoluteFilePath() const;
+    QString canonicalFilePath() const;
+    QString fileName() const;
+    QString baseName() const;
+    QString completeBaseName() const;
+    QString suffix() const;
+    QString bundleName() const;
+    QString completeSuffix() const;
+
+    QString path() const;
+    QString absolutePath() const;
+    QString canonicalPath() const;
+    QDir dir() const;
+    QDir absoluteDir() const;
+
+    bool isReadable() const;
+    bool isWritable() const;
+    bool isExecutable() const;
+    bool isHidden() const;
+
+    bool isRelative() const;
+    inline bool isAbsolute() const { return !isRelative(); }
+    bool makeAbsolute();
+
+    bool isFile() const;
+    bool isDir() const;
+    bool isSymLink() const;
+    bool isRoot() const;
+    bool isBundle() const;
+
+    QString readLink() const;
+    inline QString symLinkTarget() const { return readLink(); }
+
+    QString owner() const;
+    uint ownerId() const;
+    QString group() const;
+    uint groupId() const;
+
+    bool permission(QFile::Permissions permissions) const;
+    QFile::Permissions permissions() const;
+
+    qint64 size() const;
+
+    QDateTime created() const;
+    QDateTime lastModified() const;
+    QDateTime lastRead() const;
+
+    void detach();
+
+    bool caching() const;
+    void setCaching(bool on);
+
+#ifdef QT3_SUPPORT
+    enum Permission {
+        ReadOwner = QFile::ReadOwner, WriteOwner = QFile::WriteOwner, ExeOwner = QFile::ExeOwner,
+        ReadUser  = QFile::ReadUser,  WriteUser  = QFile::WriteUser,  ExeUser  = QFile::ExeUser,
+        ReadGroup = QFile::ReadGroup, WriteGroup = QFile::WriteGroup, ExeGroup = QFile::ExeGroup,
+        ReadOther = QFile::ReadOther, WriteOther = QFile::WriteOther, ExeOther = QFile::ExeOther
+    };
+    Q_DECLARE_FLAGS(PermissionSpec, Permission)
+
+    inline QT3_SUPPORT QString baseName(bool complete) {
+        if(complete)
+            return completeBaseName();
+        return baseName();
+    }
+    inline QT3_SUPPORT QString extension(bool complete = true) const {
+        if(complete)
+            return completeSuffix();
+        return suffix();
+    }
+    inline QT3_SUPPORT QString absFilePath() const { return absoluteFilePath(); }
+
+    inline QT3_SUPPORT QString dirPath(bool absPath = false) const {
+        if(absPath)
+            return absolutePath();
+        return path();
+    }
+    QT3_SUPPORT QDir dir(bool absPath) const;
+    inline QT3_SUPPORT bool convertToAbs() { return makeAbsolute(); }
+#if !defined(Q_NO_TYPESAFE_FLAGS)
+    inline QT3_SUPPORT bool permission(PermissionSpec permissions) const
+    { return permission(QFile::Permissions(static_cast<int>(permissions))); }
+#endif
+#endif
+
+protected:
+    QFileInfoPrivate *d_ptr;
+private:
+    Q_DECLARE_PRIVATE(QFileInfo)
+};
+Q_DECLARE_TYPEINFO(QFileInfo, Q_MOVABLE_TYPE);
+
+#ifdef QT3_SUPPORT
+Q_DECLARE_OPERATORS_FOR_FLAGS(QFileInfo::PermissionSpec)
+#endif
+
+typedef QList<QFileInfo> QFileInfoList;
+#ifdef QT3_SUPPORT
+typedef QList<QFileInfo>::Iterator QFileInfoListIterator;
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QFILEINFO_H
diff --git a/src/corelib/io/qfileinfo_p.h b/src/corelib/io/qfileinfo_p.h
new file mode 100644
index 0000000000..7d66581f15
--- /dev/null
+++ b/src/corelib/io/qfileinfo_p.h
@@ -0,0 +1,145 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILEINFO_P_H
+#define QFILEINFO_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of QIODevice. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qfileinfo.h"
+
+QT_BEGIN_NAMESPACE
+
+class QFileInfoPrivate
+{
+public:
+    QFileInfoPrivate(const QFileInfo *copy=0);
+    ~QFileInfoPrivate();
+
+    void initFileEngine(const QString &);
+
+    enum Access {
+        ReadAccess,
+        WriteAccess,
+        ExecuteAccess
+    };
+    bool hasAccess(Access access) const;
+
+    uint getFileFlags(QAbstractFileEngine::FileFlags) const;
+    QDateTime &getFileTime(QAbstractFileEngine::FileTime) const;
+    QString getFileName(QAbstractFileEngine::FileName) const;
+
+    enum {
+        CachedFileFlags = 0x01,
+        CachedLinkTypeFlag = 0x02,
+        CachedBundleTypeFlag= 0x04,
+        CachedMTime = 0x10,
+        CachedCTime = 0x20,
+        CachedATime = 0x40,
+        CachedSize = 0x08
+    };
+
+    struct Data
+    {
+        inline Data()
+            : ref(1), fileEngine(0), cache_enabled(1)
+        {
+            clear();
+        }
+
+        inline Data(const Data &copy)
+            : ref(1), fileEngine(QAbstractFileEngine::create(copy.fileName)),
+              fileName(copy.fileName), cache_enabled(copy.cache_enabled)
+        {
+            clear();
+        }
+
+        inline ~Data()
+        {
+            delete fileEngine;
+        }
+
+        inline void clear()
+        {
+            fileNames.clear();
+            fileFlags = 0;
+            cachedFlags = 0;
+        }
+
+        mutable QAtomicInt ref;
+
+        QAbstractFileEngine *fileEngine;
+        mutable QString fileName;
+        mutable QHash<int, QString> fileNames;
+        mutable uint cachedFlags : 31;
+        mutable uint cache_enabled : 1;
+        mutable uint fileFlags;
+        mutable qint64 fileSize;
+        mutable QDateTime fileTimes[3];
+
+        inline bool getCachedFlag(uint c) const
+        { return cache_enabled ? (cachedFlags & c) : 0; }
+
+        inline void setCachedFlag(uint c)
+        { if (cache_enabled) cachedFlags |= c; }
+    } *data;
+
+    inline void reset() {
+        detach();
+        data->clear();
+    }
+
+    void detach();
+};
+
+
+QT_END_NAMESPACE
+#endif
+
diff --git a/src/corelib/io/qfilesystemwatcher.cpp b/src/corelib/io/qfilesystemwatcher.cpp
new file mode 100644
index 0000000000..e073a082a8
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher.cpp
@@ -0,0 +1,620 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfilesystemwatcher.h"
+#include "qfilesystemwatcher_p.h"
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+#include <qdatetime.h>
+#include <qdebug.h>
+#include <qdir.h>
+#include <qfileinfo.h>
+#include <qmutex.h>
+#include <qset.h>
+#include <qtimer.h>
+
+#if defined(Q_OS_WIN)
+#  include "qfilesystemwatcher_win_p.h"
+#elif defined(Q_OS_LINUX)
+#  include "qfilesystemwatcher_inotify_p.h"
+#  include "qfilesystemwatcher_dnotify_p.h"
+#elif defined(Q_OS_FREEBSD) || defined(Q_OS_MAC)
+#  include "qfilesystemwatcher_kqueue_p.h"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+enum { PollingInterval = 1000 };
+
+class QPollingFileSystemWatcherEngine : public QFileSystemWatcherEngine
+{
+    Q_OBJECT
+
+    class FileInfo
+    {
+        uint ownerId;
+        uint groupId;
+        QFile::Permissions permissions;
+        QDateTime lastModified;
+        QStringList entries;
+
+    public:
+        FileInfo(const QFileInfo &fileInfo)
+            : ownerId(fileInfo.ownerId()),
+              groupId(fileInfo.groupId()),
+              permissions(fileInfo.permissions()),
+              lastModified(fileInfo.lastModified())
+        { 
+            if (fileInfo.isDir()) {
+                entries = fileInfo.absoluteDir().entryList(QDir::AllEntries);
+            }
+        }
+        FileInfo &operator=(const QFileInfo &fileInfo)
+        {
+            *this = FileInfo(fileInfo);
+            return *this;
+        }
+
+        bool operator!=(const QFileInfo &fileInfo) const
+        {
+            if (fileInfo.isDir() && entries != fileInfo.absoluteDir().entryList(QDir::AllEntries))
+                return true;
+            return (ownerId != fileInfo.ownerId()
+                    || groupId != fileInfo.groupId()
+                    || permissions != fileInfo.permissions()
+                    || lastModified != fileInfo.lastModified());
+        }
+    };
+
+    mutable QMutex mutex;
+    QHash<QString, FileInfo> files, directories;
+
+public:
+    QPollingFileSystemWatcherEngine();
+
+    void run();
+
+    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
+    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);
+
+    void stop();
+
+private slots:
+    void timeout();
+};
+
+QPollingFileSystemWatcherEngine::QPollingFileSystemWatcherEngine()
+{
+#ifndef QT_NO_THREAD
+    moveToThread(this);
+#endif
+}
+
+void QPollingFileSystemWatcherEngine::run()
+{
+    QTimer timer;
+    connect(&timer, SIGNAL(timeout()), SLOT(timeout()));
+    timer.start(PollingInterval);
+    (void) exec();
+}
+
+QStringList QPollingFileSystemWatcherEngine::addPaths(const QStringList &paths,
+                                                      QStringList *files,
+                                                      QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+        QString path = it.next();
+        QFileInfo fi(path);
+        if (!fi.exists())
+            continue;
+        if (fi.isDir()) {
+            if (!directories->contains(path))
+                directories->append(path);
+            if (!path.endsWith(QLatin1Char('/')))
+                fi = QFileInfo(path + QLatin1Char('/'));
+            this->directories.insert(path, fi);
+        } else {
+            if (!files->contains(path))
+                files->append(path);
+            this->files.insert(path, fi);
+        }
+        it.remove();
+    }
+    start();
+    return p;
+}
+
+QStringList QPollingFileSystemWatcherEngine::removePaths(const QStringList &paths,
+                                                         QStringList *files,
+                                                         QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+        QString path = it.next();
+        if (this->directories.remove(path)) {
+            directories->removeAll(path);
+            it.remove();
+        } else if (this->files.remove(path)) {
+            files->removeAll(path);
+            it.remove();
+        }
+    }
+    if (this->files.isEmpty() && this->directories.isEmpty()) {
+        locker.unlock();
+        stop();
+        wait();
+    }
+    return p;
+}
+
+void QPollingFileSystemWatcherEngine::stop()
+{
+    QMetaObject::invokeMethod(this, "quit");
+}
+
+void QPollingFileSystemWatcherEngine::timeout()
+{
+    QMutexLocker locker(&mutex);
+    QMutableHashIterator<QString, FileInfo> fit(files);
+    while (fit.hasNext()) {
+        QHash<QString, FileInfo>::iterator x = fit.next();
+        QString path = x.key();
+        QFileInfo fi(path);
+        if (!fi.exists()) {
+            fit.remove();
+            emit fileChanged(path, true);
+        } else if (x.value() != fi) {
+            x.value() = fi;
+            emit fileChanged(path, false);
+        }
+    }
+    QMutableHashIterator<QString, FileInfo> dit(directories);
+    while (dit.hasNext()) {
+        QHash<QString, FileInfo>::iterator x = dit.next();
+        QString path = x.key();
+        QFileInfo fi(path);
+        if (!path.endsWith(QLatin1Char('/')))
+            fi = QFileInfo(path + QLatin1Char('/'));
+        if (!fi.exists()) {
+            dit.remove();
+            emit directoryChanged(path, true);
+        } else if (x.value() != fi) {
+            x.value() = fi;
+            emit directoryChanged(path, false);
+        }
+        
+    }
+}
+
+
+
+
+QFileSystemWatcherEngine *QFileSystemWatcherPrivate::createNativeEngine()
+{
+#if defined(Q_OS_WIN)
+    return new QWindowsFileSystemWatcherEngine;
+#elif defined(Q_OS_LINUX)
+    QFileSystemWatcherEngine *eng = QInotifyFileSystemWatcherEngine::create();
+    if(!eng)
+        eng = QDnotifyFileSystemWatcherEngine::create();
+    return eng;
+#elif defined(Q_OS_FREEBSD) || defined(Q_OS_MAC)
+    return QKqueueFileSystemWatcherEngine::create();
+#else
+    return 0;
+#endif
+}
+
+QFileSystemWatcherPrivate::QFileSystemWatcherPrivate()
+    : native(0), poller(0), forced(0)
+{
+}
+
+void QFileSystemWatcherPrivate::init()
+{
+    Q_Q(QFileSystemWatcher);
+    native = createNativeEngine();
+    if (native) {
+        QObject::connect(native,
+                         SIGNAL(fileChanged(QString,bool)),
+                         q,
+                         SLOT(_q_fileChanged(QString,bool)));
+        QObject::connect(native,
+                         SIGNAL(directoryChanged(QString,bool)),
+                         q,
+                         SLOT(_q_directoryChanged(QString,bool)));
+    }
+}
+
+void QFileSystemWatcherPrivate::initForcedEngine(const QString &forceName)
+{
+    if(forced)
+        return;
+
+    Q_Q(QFileSystemWatcher);
+
+#if defined(Q_OS_LINUX)
+    if(forceName == QLatin1String("inotify")) {
+        forced = QInotifyFileSystemWatcherEngine::create();
+    } else if(forceName == QLatin1String("dnotify")) {
+        forced = QDnotifyFileSystemWatcherEngine::create();
+    }
+#else
+    Q_UNUSED(forceName);
+#endif
+
+    if(forced) {
+        QObject::connect(forced,
+                         SIGNAL(fileChanged(QString,bool)),
+                         q,
+                         SLOT(_q_fileChanged(QString,bool)));
+        QObject::connect(forced,
+                         SIGNAL(directoryChanged(QString,bool)),
+                         q,
+                         SLOT(_q_directoryChanged(QString,bool)));
+    }
+}
+
+void QFileSystemWatcherPrivate::initPollerEngine()
+{
+    if(poller)
+        return;
+
+    Q_Q(QFileSystemWatcher);
+    poller = new QPollingFileSystemWatcherEngine; // that was a mouthful
+    QObject::connect(poller,
+                     SIGNAL(fileChanged(QString,bool)),
+                     q,
+                     SLOT(_q_fileChanged(QString,bool)));
+    QObject::connect(poller,
+                     SIGNAL(directoryChanged(QString,bool)),
+                     q,
+                     SLOT(_q_directoryChanged(QString,bool)));
+}
+
+void QFileSystemWatcherPrivate::_q_fileChanged(const QString &path, bool removed)
+{
+    Q_Q(QFileSystemWatcher);
+    if (!files.contains(path)) {
+        // the path was removed after a change was detected, but before we delivered the signal
+        return;
+    }
+    if (removed)
+        files.removeAll(path);
+    emit q->fileChanged(path);
+}
+
+void QFileSystemWatcherPrivate::_q_directoryChanged(const QString &path, bool removed)
+{
+    Q_Q(QFileSystemWatcher);
+    if (!directories.contains(path)) {
+        // perhaps the path was removed after a change was detected, but before we delivered the signal
+        return;
+    }
+    if (removed)
+        directories.removeAll(path);
+    emit q->directoryChanged(path);
+}
+
+
+
+/*!
+    \class QFileSystemWatcher
+    \brief The QFileSystemWatcher class provides an interface for monitoring files and directories for modifications.
+    \ingroup io
+    \since 4.2
+    \reentrant
+
+    QFileSystemWatcher monitors the file system for changes to files
+    and directories by watching a list of specified paths.
+
+    Call addPath() to watch a particular file or directory. Multiple
+    paths can be added using the addPaths() function. Existing paths can
+    be removed by using the removePath() and removePaths() functions.
+
+    QFileSystemWatcher examines each path added to it. Files that have
+    been added to the QFileSystemWatcher can be accessed using the
+    files() function, and directories using the directories() function.
+
+    The fileChanged() signal is emitted when a file has been modified,
+    renamed or removed from disk. Similarly, the directoryChanged()
+    signal is emitted when a directory or its contents is modified or
+    removed.  Note that QFileSystemWatcher stops monitoring files once
+    they have been renamed or removed from disk, and directories once
+    they have been removed from disk.
+
+    \note On systems running a Linux kernel without inotify support,
+    file systems that contain watched paths cannot be unmounted.
+
+    \note Windows CE does not support directory monitoring by
+    default as this depends on the file system driver installed.
+
+    \note The act of monitoring files and directories for
+    modifications consumes system resources. This implies there is a
+    limit to the number of files and directories your process can
+    monitor simultaneously. On Mac OS and all BSD variants, for
+    example, an open file descriptor is required for each monitored
+    file. The system limits the number of open file descriptors to 256
+    by default. This means that addPath() and addPaths() will fail if
+    your process tries to add more than 256 files or directories to
+    the file system monitor. Also note that your process may have
+    other file descriptors open in addition to the ones for files
+    being monitored, and these other open descriptors also count in
+    the total.
+
+    \sa QFile, QDir
+*/
+
+
+/*!
+    Constructs a new file system watcher object with the given \a parent.
+*/
+QFileSystemWatcher::QFileSystemWatcher(QObject *parent)
+    : QObject(*new QFileSystemWatcherPrivate, parent)
+{
+    d_func()->init();
+}
+
+/*!
+    Constructs a new file system watcher object with the given \a parent
+    which monitors the specified \a paths list.
+*/
+QFileSystemWatcher::QFileSystemWatcher(const QStringList &paths, QObject *parent)
+    : QObject(*new QFileSystemWatcherPrivate, parent)
+{
+    d_func()->init();
+    addPaths(paths);
+}
+
+/*!
+    Destroys the file system watcher.
+*/
+QFileSystemWatcher::~QFileSystemWatcher()
+{
+    Q_D(QFileSystemWatcher);
+    if (d->native) {
+        d->native->stop();
+        d->native->wait();
+        delete d->native;
+        d->native = 0;
+    }
+    if (d->poller) {
+        d->poller->stop();
+        d->poller->wait();
+        delete d->poller;
+        d->poller = 0;
+    }
+    if (d->forced) {
+        d->forced->stop();
+        d->forced->wait();
+        delete d->forced;
+        d->forced = 0;
+    }
+}
+
+/*!
+    Adds \a path to the file system watcher if \a path exists. The
+    path is not added if it does not exist, or if it is already being
+    monitored by the file system watcher.
+
+    If \a path specifies a directory, the directoryChanged() signal
+    will be emitted when \a path is modified or removed from disk;
+    otherwise the fileChanged() signal is emitted when \a path is
+    modified, renamed or removed.
+
+    \note There is a system dependent limit to the number of files and
+    directories that can be monitored simultaneously. If this limit
+    has been reached, \a path will not be added to the file system
+    watcher, and a warning message will be printed to \e{stderr}.
+
+    \sa addPaths(), removePath()
+*/
+void QFileSystemWatcher::addPath(const QString &path)
+{
+    if (path.isEmpty()) {
+        qWarning("QFileSystemWatcher::addPath: path is empty");
+        return;
+    }
+    addPaths(QStringList(path));
+}
+
+/*!
+    Adds each path in \a paths to the file system watcher. Paths are
+    not added if they not exist, or if they are already being
+    monitored by the file system watcher.
+
+    If a path specifies a directory, the directoryChanged() signal
+    will be emitted when the path is modified or removed from disk;
+    otherwise the fileChanged() signal is emitted when the path is
+    modified, renamed, or removed.
+
+    \note There is a system dependent limit to the number of files and
+    directories that can be monitored simultaneously. If this limit
+    has been reached, the excess \a paths will not be added to the
+    file system watcher, and a warning message will be printed to
+    \e{stderr} for each path that could not be added.
+
+    \sa addPath(), removePaths()
+*/
+void QFileSystemWatcher::addPaths(const QStringList &paths)
+{
+    Q_D(QFileSystemWatcher);
+    if (paths.isEmpty()) {
+        qWarning("QFileSystemWatcher::addPaths: list is empty");
+        return;
+    }
+
+    QStringList p = paths;
+    QFileSystemWatcherEngine *engine = 0;
+
+    if(!objectName().startsWith(QLatin1String("_qt_autotest_force_engine_"))) {
+        // Normal runtime case - search intelligently for best engine
+        if(d->native) {
+            engine = d->native;
+        } else {
+            d_func()->initPollerEngine();
+            engine = d->poller;
+        }
+
+    } else {
+        // Autotest override case - use the explicitly selected engine only
+        QString forceName = objectName().mid(26);
+        if(forceName == QLatin1String("poller")) {
+            qDebug() << "QFileSystemWatcher: skipping native engine, using only polling engine";
+            d_func()->initPollerEngine();
+            engine = d->poller;
+        } else if(forceName == QLatin1String("native")) {
+            qDebug() << "QFileSystemWatcher: skipping polling engine, using only native engine";
+            engine = d->native;
+        } else {
+            qDebug() << "QFileSystemWatcher: skipping polling and native engine, using only explicit" << forceName << "engine";
+            d_func()->initForcedEngine(forceName);
+            engine = d->forced;
+        }
+    }
+
+    if(engine)
+        p = engine->addPaths(p, &d->files, &d->directories);
+
+    if (!p.isEmpty())
+        qWarning("QFileSystemWatcher: failed to add paths: %s",
+                 qPrintable(p.join(QLatin1String(", "))));
+}
+
+/*!
+    Removes the specified \a path from the file system watcher.
+
+    \sa removePaths(), addPath()
+*/
+void QFileSystemWatcher::removePath(const QString &path)
+{
+    if (path.isEmpty()) {
+        qWarning("QFileSystemWatcher::removePath: path is empty");
+        return;
+    }
+    removePaths(QStringList(path));
+}
+
+/*!
+    Removes the specified \a paths from the file system watcher.
+
+    \sa removePath(), addPaths()
+*/
+void QFileSystemWatcher::removePaths(const QStringList &paths)
+{
+    if (paths.isEmpty()) {
+        qWarning("QFileSystemWatcher::removePaths: list is empty");
+        return;
+    }
+    Q_D(QFileSystemWatcher);
+    QStringList p = paths;
+    if (d->native)
+        p = d->native->removePaths(p, &d->files, &d->directories);
+    if (d->poller)
+        p = d->poller->removePaths(p, &d->files, &d->directories);
+    if (d->forced)
+        p = d->forced->removePaths(p, &d->files, &d->directories);
+}
+
+/*!
+    \fn void QFileSystemWatcher::fileChanged(const QString &path)
+
+    This signal is emitted when the file at the specified \a path is
+    modified, renamed or removed from disk.
+
+    \sa directoryChanged()
+*/
+
+/*!
+    \fn void QFileSystemWatcher::directoryChanged(const QString &path)
+
+    This signal is emitted when the directory at a specified \a path,
+    is modified (e.g., when a file is added, modified or deleted) or
+    removed from disk. Note that if there are several changes during a
+    short period of time, some of the changes might not emit this
+    signal. However, the last change in the sequence of changes will
+    always generate this signal.
+
+    \sa fileChanged()
+*/
+
+/*!
+    \fn QStringList QFileSystemWatcher::directories() const
+
+    Returns a list of paths to directories that are being watched.
+
+    \sa files()
+*/
+
+/*!
+    \fn QStringList QFileSystemWatcher::files() const
+
+    Returns a list of paths to files that are being watched.
+
+    \sa directories()
+*/
+
+QStringList QFileSystemWatcher::directories() const
+{
+    Q_D(const QFileSystemWatcher);
+    return d->directories;
+}
+
+QStringList QFileSystemWatcher::files() const
+{
+    Q_D(const QFileSystemWatcher);
+    return d->files;
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qfilesystemwatcher.cpp"
+
+#include "qfilesystemwatcher.moc"
+
+#endif // QT_NO_FILESYSTEMWATCHER
+
diff --git a/src/corelib/io/qfilesystemwatcher.h b/src/corelib/io/qfilesystemwatcher.h
new file mode 100644
index 0000000000..b9cea53148
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher.h
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILESYSTEMWATCHER_H
+#define QFILESYSTEMWATCHER_H
+
+#include <QtCore/qobject.h>
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QFileSystemWatcherPrivate;
+
+class Q_CORE_EXPORT QFileSystemWatcher : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QFileSystemWatcher)
+
+public:
+    QFileSystemWatcher(QObject *parent = 0);
+    QFileSystemWatcher(const QStringList &paths, QObject *parent = 0);
+    ~QFileSystemWatcher();
+
+    void addPath(const QString &file);
+    void addPaths(const QStringList &files);
+    void removePath(const QString &file);
+    void removePaths(const QStringList &files);
+
+    QStringList files() const;
+    QStringList directories() const;
+
+Q_SIGNALS:
+    void fileChanged(const QString &path);
+    void directoryChanged(const QString &path);
+
+private:
+    Q_PRIVATE_SLOT(d_func(), void _q_fileChanged(const QString &path, bool removed))
+    Q_PRIVATE_SLOT(d_func(), void _q_directoryChanged(const QString &path, bool removed))
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_FILESYSTEMWATCHER
+#endif // QFILESYSTEMWATCHER_H
diff --git a/src/corelib/io/qfilesystemwatcher_dnotify.cpp b/src/corelib/io/qfilesystemwatcher_dnotify.cpp
new file mode 100644
index 0000000000..e87375a5e5
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_dnotify.cpp
@@ -0,0 +1,461 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfilesystemwatcher.h"
+#include "qfilesystemwatcher_dnotify_p.h"
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+#include <qsocketnotifier.h>
+#include <qcoreapplication.h>
+#include <qfileinfo.h>
+#include <qtimer.h>
+#include <qwaitcondition.h>
+#include <qmutex.h>
+#include <dirent.h>
+#include <qdir.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <signal.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+
+#ifdef QT_LINUXBASE
+
+/* LSB doesn't standardize these */
+#define F_NOTIFY       1026
+#define DN_ACCESS      0x00000001
+#define DN_MODIFY      0x00000002
+#define DN_CREATE      0x00000004
+#define DN_DELETE      0x00000008
+#define DN_RENAME      0x00000010
+#define DN_ATTRIB      0x00000020
+#define DN_MULTISHOT   0x80000000
+
+#endif
+
+QT_BEGIN_NAMESPACE
+
+static int qfswd_fileChanged_pipe[2];
+static void (*qfswd_old_sigio_handler)(int) = 0;
+static void (*qfswd_old_sigio_action)(int, siginfo_t *, void *) = 0;
+static void qfswd_sigio_monitor(int signum, siginfo_t *i, void *v)
+{
+    ::write(qfswd_fileChanged_pipe[1], &i->si_fd, sizeof(int));
+
+    if (qfswd_old_sigio_handler && qfswd_old_sigio_handler != SIG_IGN)
+        qfswd_old_sigio_handler(signum);
+    if (qfswd_old_sigio_action)
+        qfswd_old_sigio_action(signum, i, v);
+}
+
+class QDnotifySignalThread : public QThread
+{
+Q_OBJECT
+public:
+    QDnotifySignalThread();
+    virtual ~QDnotifySignalThread();
+
+    void startNotify();
+
+    virtual void run();
+
+signals:
+    void fdChanged(int);
+
+protected:
+    virtual bool event(QEvent *);
+
+private slots:
+    void readFromDnotify();
+
+private:
+    QMutex mutex;
+    QWaitCondition wait;
+    bool isExecing;
+};
+
+Q_GLOBAL_STATIC(QDnotifySignalThread, dnotifySignal);
+
+QDnotifySignalThread::QDnotifySignalThread()
+: isExecing(false)
+{
+    moveToThread(this);
+
+    ::pipe(qfswd_fileChanged_pipe);
+    ::fcntl(qfswd_fileChanged_pipe[0], F_SETFL,
+            ::fcntl(qfswd_fileChanged_pipe[0], F_GETFL) | O_NONBLOCK);
+
+    struct sigaction oldAction;
+    struct sigaction action;
+    memset(&action, 0, sizeof(action));
+    action.sa_sigaction = qfswd_sigio_monitor;
+    action.sa_flags = SA_SIGINFO;
+    ::sigaction(SIGIO, &action, &oldAction);
+    if (!(oldAction.sa_flags & SA_SIGINFO))
+        qfswd_old_sigio_handler = oldAction.sa_handler;
+    else
+        qfswd_old_sigio_action = oldAction.sa_sigaction;
+}
+
+QDnotifySignalThread::~QDnotifySignalThread()
+{
+    if(isRunning()) {
+        quit();
+        QThread::wait();
+    }
+}
+
+bool QDnotifySignalThread::event(QEvent *e)
+{
+    if(e->type() == QEvent::User) {
+        QMutexLocker locker(&mutex);
+        isExecing = true;
+        wait.wakeAll();
+        return true;
+    } else {
+        return QThread::event(e);
+    }
+}
+
+void QDnotifySignalThread::startNotify()
+{
+    // Note: All this fancy waiting for the thread to enter its event
+    // loop is to avoid nasty messages at app shutdown when the
+    // QDnotifySignalThread singleton is deleted
+    start();
+    mutex.lock();
+    while(!isExecing)
+        wait.wait(&mutex);
+    mutex.unlock();
+}
+
+void QDnotifySignalThread::run()
+{
+    QSocketNotifier sn(qfswd_fileChanged_pipe[0], QSocketNotifier::Read, this);
+    connect(&sn, SIGNAL(activated(int)), SLOT(readFromDnotify()));
+
+    QCoreApplication::instance()->postEvent(this, new QEvent(QEvent::User));
+    (void) exec();
+}
+
+void QDnotifySignalThread::readFromDnotify()
+{
+    int fd;
+    int readrv = ::read(qfswd_fileChanged_pipe[0], &fd,sizeof(int));
+    // Only expect EAGAIN or EINTR.  Other errors are assumed to be impossible.
+    if(readrv != -1) {
+        Q_ASSERT(readrv == sizeof(int));
+        Q_UNUSED(readrv);
+
+        if(0 == fd)
+            quit();
+        else
+            emit fdChanged(fd);
+    }
+}
+
+QDnotifyFileSystemWatcherEngine::QDnotifyFileSystemWatcherEngine()
+{
+    QObject::connect(dnotifySignal(), SIGNAL(fdChanged(int)),
+                     this, SLOT(refresh(int)), Qt::DirectConnection);
+}
+
+QDnotifyFileSystemWatcherEngine::~QDnotifyFileSystemWatcherEngine()
+{
+    QMutexLocker locker(&mutex);
+
+    for(QHash<int, Directory>::ConstIterator iter = fdToDirectory.constBegin();
+            iter != fdToDirectory.constEnd();
+            ++iter) {
+        ::close(iter->fd);
+        if(iter->parentFd)
+            ::close(iter->parentFd);
+    }
+}
+
+QDnotifyFileSystemWatcherEngine *QDnotifyFileSystemWatcherEngine::create()
+{
+    return new QDnotifyFileSystemWatcherEngine();
+}
+
+void QDnotifyFileSystemWatcherEngine::run()
+{
+    qFatal("QDnotifyFileSystemWatcherEngine thread should not be run");
+}
+
+QStringList QDnotifyFileSystemWatcherEngine::addPaths(const QStringList &paths, QStringList *files, QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+
+    while (it.hasNext()) {
+        QString path = it.next();
+
+        QFileInfo fi(path);
+
+        if(!fi.exists()) {
+            continue;
+        }
+
+        bool isDir = fi.isDir();
+
+        if (isDir && directories->contains(path)) {
+            continue; // Skip monitored directories
+        } else if(!isDir && files->contains(path)) {
+            continue; // Skip monitored files
+        }
+
+        if(!isDir)
+            path = fi.canonicalPath();
+
+        // Locate the directory entry (creating if needed)
+        int fd = pathToFD[path];
+
+        if(fd == 0) {
+
+            DIR *d = ::opendir(path.toUtf8().constData());
+            if(!d) continue; // Could not open directory
+            DIR *parent = 0;
+
+            QDir parentDir(path);
+            if(!parentDir.isRoot()) {
+                parentDir.cdUp();
+                parent = ::opendir(parentDir.path().toUtf8().constData());
+                if(!parent) {
+                    ::closedir(d);
+                    continue;
+                }
+            }
+
+            fd = ::dirfd(d);
+            int parentFd = parent?::dirfd(parent):0;
+
+            Q_ASSERT(fd);
+            if(::fcntl(fd, F_SETSIG, SIGIO) ||
+               ::fcntl(fd, F_NOTIFY, DN_MODIFY | DN_CREATE | DN_DELETE |
+                                     DN_RENAME | DN_ATTRIB | DN_MULTISHOT) ||
+               (parent && ::fcntl(parentFd, F_SETSIG, SIGIO)) ||
+               (parent && ::fcntl(parentFd, F_NOTIFY, DN_DELETE | DN_RENAME |
+                                            DN_MULTISHOT))) {
+
+                ::closedir(d);
+                if(parent) ::closedir(parent);
+
+                continue; // Could not set appropriate flags
+            }
+
+            Directory dir;
+            dir.path = path;
+            dir.fd = fd;
+            dir.parentFd = parentFd;
+
+            fdToDirectory.insert(fd, dir);
+            pathToFD.insert(path, fd);
+            if(parentFd)
+                parentToFD.insert(parentFd, fd);
+        }
+
+        Directory &directory = fdToDirectory[fd];
+
+        if(isDir) {
+            directory.isMonitored = true;
+        } else {
+            Directory::File file;
+            file.path = fi.filePath();
+            file.lastWrite = fi.lastModified();
+            directory.files.append(file);
+            pathToFD.insert(fi.filePath(), fd);
+        }
+
+        it.remove();
+
+        if(isDir) {
+            directories->append(path);
+        } else {
+            files->append(fi.filePath());
+        }
+    }
+
+    dnotifySignal()->startNotify();
+
+    return p;
+}
+
+QStringList QDnotifyFileSystemWatcherEngine::removePaths(const QStringList &paths, QStringList *files, QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+
+        QString path = it.next();
+        int fd = pathToFD.take(path);
+
+        if(!fd)
+            continue;
+
+        Directory &directory = fdToDirectory[fd];
+        bool isDir = false;
+        if(directory.path == path) {
+            isDir = true;
+            directory.isMonitored = false;
+        } else {
+            for(int ii = 0; ii < directory.files.count(); ++ii) {
+                if(directory.files.at(ii).path == path) {
+                    directory.files.removeAt(ii);
+                    break;
+                }
+            }
+        }
+
+        if(!directory.isMonitored && directory.files.isEmpty()) {
+            // No longer needed
+            ::close(directory.fd);
+            pathToFD.remove(directory.path);
+            fdToDirectory.remove(fd);
+        }
+
+        if(isDir) {
+            directories->removeAll(path);
+        } else {
+            files->removeAll(path);
+        }
+
+        it.remove();
+    }
+
+    return p;
+}
+
+void QDnotifyFileSystemWatcherEngine::refresh(int fd)
+{
+    QMutexLocker locker(&mutex);
+
+    bool wasParent = false;
+    QHash<int, Directory>::Iterator iter = fdToDirectory.find(fd);
+    if(iter == fdToDirectory.end()) {
+        QHash<int, int>::Iterator pIter = parentToFD.find(fd);
+        if(pIter == parentToFD.end())
+            return;
+
+        iter = fdToDirectory.find(*pIter);
+        if (iter == fdToDirectory.end())
+            return;
+        wasParent = true;
+    }
+
+    Directory &directory = *iter;
+
+    if(!wasParent) {
+        for(int ii = 0; ii < directory.files.count(); ++ii) {
+            Directory::File &file = directory.files[ii];
+            if(file.updateInfo()) {
+                // Emit signal
+                QString filePath = file.path;
+                bool removed = !QFileInfo(filePath).exists();
+
+                if(removed) {
+                    directory.files.removeAt(ii);
+                    --ii;
+                }
+
+                emit fileChanged(filePath, removed);
+            }
+        }
+    }
+
+    if(directory.isMonitored) {
+        // Emit signal
+        bool removed = !QFileInfo(directory.path).exists();
+        QString path = directory.path;
+
+        if(removed)
+            directory.isMonitored = false;
+
+        emit directoryChanged(path, removed);
+    }
+
+    if(!directory.isMonitored && directory.files.isEmpty()) {
+        ::close(directory.fd);
+        if(directory.parentFd) {
+            ::close(directory.parentFd);
+            parentToFD.remove(directory.parentFd);
+        }
+        fdToDirectory.erase(iter);
+    }
+}
+
+void QDnotifyFileSystemWatcherEngine::stop()
+{
+}
+
+bool QDnotifyFileSystemWatcherEngine::Directory::File::updateInfo()
+{
+    QFileInfo fi(path);
+    QDateTime nLastWrite = fi.lastModified();
+    uint nOwnerId = fi.ownerId();
+    uint nGroupId = fi.groupId();
+    QFile::Permissions nPermissions = fi.permissions();
+
+    if(nLastWrite != lastWrite ||
+       nOwnerId != ownerId ||
+       nGroupId != groupId ||
+       nPermissions != permissions) {
+        ownerId = nOwnerId;
+        groupId = nGroupId;
+        permissions = nPermissions;
+        lastWrite = nLastWrite;
+        return true;
+    } else {
+        return false;
+    }
+}
+
+QT_END_NAMESPACE
+
+#include "qfilesystemwatcher_dnotify.moc"
+
+#endif // QT_NO_FILESYSTEMWATCHER
diff --git a/src/corelib/io/qfilesystemwatcher_dnotify_p.h b/src/corelib/io/qfilesystemwatcher_dnotify_p.h
new file mode 100644
index 0000000000..81a70ed0a2
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_dnotify_p.h
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILESYSTEMWATCHER_DNOTIFY_P_H
+#define QFILESYSTEMWATCHER_DNOTIFY_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qfilesystemwatcher_p.h"
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+#include <qmutex.h>
+#include <qhash.h>
+#include <qdatetime.h>
+#include <qfile.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDnotifyFileSystemWatcherEngine : public QFileSystemWatcherEngine
+{
+    Q_OBJECT
+
+public:
+    virtual ~QDnotifyFileSystemWatcherEngine();
+
+    static QDnotifyFileSystemWatcherEngine *create();
+
+    void run();
+
+    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
+    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);
+
+    void stop();
+
+private Q_SLOTS:
+    void refresh(int);
+
+private:
+    struct Directory {
+        Directory() : fd(0), parentFd(0), isMonitored(false) {}
+        Directory(const Directory &o) : path(o.path),
+                                        fd(o.fd),
+                                        parentFd(o.parentFd),
+                                        isMonitored(o.isMonitored),
+                                        files(o.files) {}
+        QString path;
+        int fd;
+        int parentFd;
+        bool isMonitored;
+
+        struct File {
+            File() : ownerId(0u), groupId(0u), permissions(0u) { }
+            File(const File &o) : path(o.path),
+                                  ownerId(o.ownerId),
+                                  groupId(o.groupId),
+                                  permissions(o.permissions),
+                                  lastWrite(o.lastWrite) {}
+            QString path;
+
+            bool updateInfo();
+
+            uint ownerId;
+            uint groupId;
+            QFile::Permissions permissions;
+            QDateTime lastWrite;
+        };
+
+        QList<File> files;
+    };
+
+    QDnotifyFileSystemWatcherEngine();
+
+    QMutex mutex;
+    QHash<QString, int> pathToFD;
+    QHash<int, Directory> fdToDirectory;
+    QHash<int, int> parentToFD;
+};
+
+
+
+QT_END_NAMESPACE
+#endif // QT_NO_FILESYSTEMWATCHER
+#endif // QFILESYSTEMWATCHER_DNOTIFY_P_H
diff --git a/src/corelib/io/qfilesystemwatcher_inotify.cpp b/src/corelib/io/qfilesystemwatcher_inotify.cpp
new file mode 100644
index 0000000000..4445e3c350
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_inotify.cpp
@@ -0,0 +1,376 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfilesystemwatcher.h"
+#include "qfilesystemwatcher_inotify_p.h"
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+#include <qdebug.h>
+#include <qfile.h>
+#include <qfileinfo.h>
+#include <qsocketnotifier.h>
+#include <qvarlengtharray.h>
+
+#include <sys/syscall.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#if defined(QT_NO_INOTIFY)
+#include <linux/types.h>
+
+#if defined(__i386__)
+# define __NR_inotify_init      291
+# define __NR_inotify_add_watch 292
+# define __NR_inotify_rm_watch  293
+#elif defined(__x86_64__)
+# define __NR_inotify_init      253
+# define __NR_inotify_add_watch 254
+# define __NR_inotify_rm_watch  255
+#elif defined(__powerpc__) || defined(__powerpc64__)
+# define __NR_inotify_init      275
+# define __NR_inotify_add_watch 276
+# define __NR_inotify_rm_watch  277
+#elif defined (__ia64__)
+# define __NR_inotify_init      1277
+# define __NR_inotify_add_watch 1278
+# define __NR_inotify_rm_watch  1279
+#elif defined (__s390__) || defined (__s390x__)
+# define __NR_inotify_init      284
+# define __NR_inotify_add_watch 285
+# define __NR_inotify_rm_watch  286
+#elif defined (__alpha__)
+# define __NR_inotify_init      444
+# define __NR_inotify_add_watch 445
+# define __NR_inotify_rm_watch  446
+#elif defined (__sparc__) || defined (__sparc64__)
+# define __NR_inotify_init      151
+# define __NR_inotify_add_watch 152
+# define __NR_inotify_rm_watch  156
+#elif defined (__arm__)
+# define __NR_inotify_init      316
+# define __NR_inotify_add_watch 317
+# define __NR_inotify_rm_watch  318
+#elif defined (__sh__)
+# define __NR_inotify_init      290
+# define __NR_inotify_add_watch 291
+# define __NR_inotify_rm_watch  292
+#elif defined (__sh64__)
+# define __NR_inotify_init      318
+# define __NR_inotify_add_watch 319
+# define __NR_inotify_rm_watch  320
+#elif defined (__mips__)
+# define __NR_inotify_init      284
+# define __NR_inotify_add_watch 285
+# define __NR_inotify_rm_watch  286
+#elif defined (__hppa__)
+# define __NR_inotify_init      269
+# define __NR_inotify_add_watch 270
+# define __NR_inotify_rm_watch  271
+#elif defined (__avr32__)
+# define __NR_inotify_init	240
+# define __NR_inotify_add_watch	241
+# define __NR_inotify_rm_watch	242
+#elif defined (__mc68000__)
+# define __NR_inotify_init      284
+# define __NR_inotify_add_watch 285
+# define __NR_inotify_rm_watch  286
+#else
+# error "This architecture is not supported. Please talk to qt-bugs@trolltech.com"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifdef QT_LINUXBASE
+// ### the LSB doesn't standardize syscall, need to wait until glib2.4 is standardized
+static inline int syscall(...) { return -1; }
+#endif
+
+static inline int inotify_init()
+{
+    return syscall(__NR_inotify_init);
+}
+
+static inline int inotify_add_watch(int fd, const char *name, __u32 mask)
+{
+    return syscall(__NR_inotify_add_watch, fd, name, mask);
+}
+
+static inline int inotify_rm_watch(int fd, __u32 wd)
+{
+    return syscall(__NR_inotify_rm_watch, fd, wd);
+}
+
+// the following struct and values are documented in linux/inotify.h
+extern "C" {
+
+struct inotify_event {
+        __s32           wd;
+        __u32           mask;
+        __u32           cookie;
+        __u32           len;
+        char            name[0];
+};
+
+#define IN_ACCESS               0x00000001
+#define IN_MODIFY               0x00000002
+#define IN_ATTRIB               0x00000004
+#define IN_CLOSE_WRITE          0x00000008
+#define IN_CLOSE_NOWRITE        0x00000010
+#define IN_OPEN                 0x00000020
+#define IN_MOVED_FROM           0x00000040
+#define IN_MOVED_TO             0x00000080
+#define IN_CREATE               0x00000100
+#define IN_DELETE               0x00000200
+#define IN_DELETE_SELF          0x00000400
+#define IN_MOVE_SELF            0x00000800
+#define IN_UNMOUNT              0x00002000
+#define IN_Q_OVERFLOW           0x00004000
+#define IN_IGNORED              0x00008000
+
+#define IN_CLOSE                (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE)
+#define IN_MOVE                 (IN_MOVED_FROM | IN_MOVED_TO)
+}
+
+QT_END_NAMESPACE
+
+// --------- inotify.h end ----------
+
+#else /* QT_NO_INOTIFY */
+
+#include <sys/inotify.h>
+
+#endif
+
+QT_BEGIN_NAMESPACE
+
+QInotifyFileSystemWatcherEngine *QInotifyFileSystemWatcherEngine::create()
+{
+    int fd = inotify_init();
+    if (fd <= 0)
+        return 0;
+    return new QInotifyFileSystemWatcherEngine(fd);
+}
+
+QInotifyFileSystemWatcherEngine::QInotifyFileSystemWatcherEngine(int fd)
+    : inotifyFd(fd)
+{
+    fcntl(inotifyFd, F_SETFD, FD_CLOEXEC);
+
+    moveToThread(this);
+}
+
+QInotifyFileSystemWatcherEngine::~QInotifyFileSystemWatcherEngine()
+{
+    foreach (int id, pathToID.values())
+        inotify_rm_watch(inotifyFd, id < 0 ? -id : id);
+
+    ::close(inotifyFd);
+}
+
+void QInotifyFileSystemWatcherEngine::run()
+{
+    QSocketNotifier sn(inotifyFd, QSocketNotifier::Read, this);
+    connect(&sn, SIGNAL(activated(int)), SLOT(readFromInotify()));
+    (void) exec();
+}
+
+QStringList QInotifyFileSystemWatcherEngine::addPaths(const QStringList &paths,
+                                                      QStringList *files,
+                                                      QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+        QString path = it.next();
+        QFileInfo fi(path);
+        bool isDir = fi.isDir();
+        if (isDir) {
+            if (directories->contains(path))
+                continue;
+        } else {
+            if (files->contains(path))
+                continue;
+        }
+
+        int wd = inotify_add_watch(inotifyFd,
+                                   QFile::encodeName(path),
+                                   (isDir
+                                    ? (0
+                                       | IN_ATTRIB
+                                       | IN_MOVE
+                                       | IN_CREATE
+                                       | IN_DELETE
+                                       | IN_DELETE_SELF
+                                       )
+                                    : (0
+                                       | IN_ATTRIB
+                                       | IN_MODIFY
+                                       | IN_MOVE
+                                       | IN_MOVE_SELF
+                                       | IN_DELETE_SELF
+                                       )));
+        if (wd <= 0) {
+            perror("QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed");
+            continue;
+        }
+
+        it.remove();
+
+        int id = isDir ? -wd : wd;
+        if (id < 0) {
+            directories->append(path);
+        } else {
+            files->append(path);
+        }
+
+        pathToID.insert(path, id);
+        idToPath.insert(id, path);
+    }
+
+    start();
+
+    return p;
+}
+
+QStringList QInotifyFileSystemWatcherEngine::removePaths(const QStringList &paths,
+                                                         QStringList *files,
+                                                         QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+        QString path = it.next();
+        int id = pathToID.take(path);
+        QString x = idToPath.take(id);
+        if (x.isEmpty() || x != path)
+            continue;
+
+        int wd = id < 0 ? -id : id;
+        // qDebug() << "removing watch for path" << path << "wd" << wd;
+        inotify_rm_watch(inotifyFd, wd);
+
+        it.remove();
+        if (id < 0) {
+            directories->removeAll(path);
+        } else {
+            files->removeAll(path);
+        }
+    }
+
+    return p;
+}
+
+void QInotifyFileSystemWatcherEngine::stop()
+{
+    QMetaObject::invokeMethod(this, "quit");
+}
+
+void QInotifyFileSystemWatcherEngine::readFromInotify()
+{
+    QMutexLocker locker(&mutex);
+
+    // qDebug() << "QInotifyFileSystemWatcherEngine::readFromInotify";
+
+    int buffSize = 0;
+    ioctl(inotifyFd, FIONREAD, &buffSize);
+    QVarLengthArray<char, 4096> buffer(buffSize);
+    buffSize = read(inotifyFd, buffer.data(), buffSize);
+    const char *at = buffer.data();
+    const char * const end = at + buffSize;
+
+    QMap<int, inotify_event> eventForId;
+    while (at < end) {
+        const inotify_event *event = reinterpret_cast<const inotify_event *>(at);
+
+        if (eventForId.contains(event->wd))
+            eventForId[event->wd].mask |= event->mask;
+        else
+            eventForId.insert(event->wd, *event);
+
+        at += sizeof(inotify_event) + event->len;
+    }
+
+    QMap<int, inotify_event>::const_iterator it = eventForId.constBegin();
+    while (it != eventForId.constEnd()) {
+        inotify_event event = *it;
+        ++it;
+
+        // qDebug() << "inotify event, wd" << event.wd << "mask" << hex << event.mask;
+
+        int id = event.wd;
+        QString path = idToPath.value(id);
+        if (path.isEmpty()) {
+            // perhaps a directory?
+            id = -id;
+            path = idToPath.value(id);
+            if (path.isEmpty())
+                continue;
+        }
+
+        // qDebug() << "event for path" << path;
+
+        if ((event.mask & (IN_DELETE_SELF | IN_MOVE_SELF | IN_UNMOUNT)) != 0) {
+            pathToID.remove(path);
+            idToPath.remove(id);
+            inotify_rm_watch(inotifyFd, event.wd);
+
+            if (id < 0)
+                emit directoryChanged(path, true);
+            else
+                emit fileChanged(path, true);
+        } else {
+            if (id < 0)
+                emit directoryChanged(path, false);
+            else
+                emit fileChanged(path, false);
+        }
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_FILESYSTEMWATCHER
diff --git a/src/corelib/io/qfilesystemwatcher_inotify_p.h b/src/corelib/io/qfilesystemwatcher_inotify_p.h
new file mode 100644
index 0000000000..8f3595c47e
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_inotify_p.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILESYSTEMWATCHER_INOTIFY_P_H
+#define QFILESYSTEMWATCHER_INOTIFY_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qfilesystemwatcher_p.h"
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+#include <qhash.h>
+#include <qmutex.h>
+
+QT_BEGIN_NAMESPACE
+
+class QInotifyFileSystemWatcherEngine : public QFileSystemWatcherEngine
+{
+    Q_OBJECT
+
+public:
+    ~QInotifyFileSystemWatcherEngine();
+
+    static QInotifyFileSystemWatcherEngine *create();
+
+    void run();
+
+    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
+    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);
+
+    void stop();
+
+private Q_SLOTS:
+    void readFromInotify();
+
+private:
+    QInotifyFileSystemWatcherEngine(int fd);
+    int inotifyFd;
+    QMutex mutex;
+    QHash<QString, int> pathToID;
+    QHash<int, QString> idToPath;
+};
+
+
+QT_END_NAMESPACE
+#endif // QT_NO_FILESYSTEMWATCHER
+#endif // QFILESYSTEMWATCHER_INOTIFY_P_H
diff --git a/src/corelib/io/qfilesystemwatcher_kqueue.cpp b/src/corelib/io/qfilesystemwatcher_kqueue.cpp
new file mode 100644
index 0000000000..cdf436ee17
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_kqueue.cpp
@@ -0,0 +1,334 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qplatformdefs.h>
+
+#include "qfilesystemwatcher.h"
+#include "qfilesystemwatcher_kqueue_p.h"
+
+#include <qdebug.h>
+#include <qfile.h>
+#include <qsocketnotifier.h>
+#include <qvarlengtharray.h>
+
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <fcntl.h>
+
+QT_BEGIN_NAMESPACE
+
+// #define KEVENT_DEBUG
+#ifdef KEVENT_DEBUG
+#  define DEBUG qDebug
+#else
+#  define DEBUG if(false)qDebug
+#endif
+
+QKqueueFileSystemWatcherEngine *QKqueueFileSystemWatcherEngine::create()
+{
+    int kqfd = kqueue();
+    if (kqfd == -1)
+        return 0;
+    return new QKqueueFileSystemWatcherEngine(kqfd);
+}
+
+QKqueueFileSystemWatcherEngine::QKqueueFileSystemWatcherEngine(int kqfd)
+    : kqfd(kqfd)
+{
+    fcntl(kqfd, F_SETFD, FD_CLOEXEC);
+
+    if (pipe(kqpipe) == -1) {
+        perror("QKqueueFileSystemWatcherEngine: cannot create pipe");
+        kqpipe[0] = kqpipe[1] = -1;
+        return;
+    }
+    fcntl(kqpipe[0], F_SETFD, FD_CLOEXEC);
+    fcntl(kqpipe[1], F_SETFD, FD_CLOEXEC);
+
+    struct kevent kev;
+    EV_SET(&kev,
+           kqpipe[0],
+           EVFILT_READ,
+           EV_ADD | EV_ENABLE,
+           0,
+           0,
+           0);
+    if (kevent(kqfd, &kev, 1, 0, 0, 0) == -1) {
+        perror("QKqueueFileSystemWatcherEngine: cannot watch pipe, kevent returned");
+        return;
+    }
+}
+
+QKqueueFileSystemWatcherEngine::~QKqueueFileSystemWatcherEngine()
+{
+    stop();
+    wait();
+
+    close(kqfd);
+    close(kqpipe[0]);
+    close(kqpipe[1]);
+
+    foreach (int id, pathToID.values())
+        ::close(id < 0 ? -id : id);
+}
+
+QStringList QKqueueFileSystemWatcherEngine::addPaths(const QStringList &paths,
+                                                     QStringList *files,
+                                                     QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+        QString path = it.next();
+        int fd;
+#if defined(O_EVTONLY)
+        fd = ::open(QFile::encodeName(path), O_EVTONLY);
+#else
+        fd = ::open(QFile::encodeName(path), O_RDONLY);
+#endif
+        if (fd == -1) {
+            perror("QKqueueFileSystemWatcherEngine::addPaths: open");
+            continue;
+        }
+
+        QT_STATBUF st;
+        if (QT_FSTAT(fd, &st) == -1) {
+            perror("QKqueueFileSystemWatcherEngine::addPaths: fstat");
+            ::close(fd);
+            continue;
+        }
+        int id = (S_ISDIR(st.st_mode)) ? -fd : fd;
+        if (id < 0) {
+            if (directories->contains(path)) {
+                ::close(fd);
+                continue;
+            }
+        } else {
+            if (files->contains(path)) {
+                ::close(fd);
+                continue;
+            }
+        }
+
+        struct kevent kev;
+        EV_SET(&kev,
+               fd,
+               EVFILT_VNODE,
+               EV_ADD | EV_ENABLE | EV_ONESHOT,
+               NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_ATTRIB | NOTE_RENAME | NOTE_REVOKE,
+               0,
+               0);
+        if (kevent(kqfd, &kev, 1, 0, 0, 0) == -1) {
+            perror("QKqueueFileSystemWatcherEngine::addPaths: kevent");
+            ::close(fd);
+            continue;
+        }
+
+        it.remove();
+        if (id < 0) {
+            DEBUG() << "QKqueueFileSystemWatcherEngine: added directory path" << path;
+            directories->append(path);
+        } else {
+            DEBUG() << "QKqueueFileSystemWatcherEngine: added file path" << path;
+            files->append(path);
+        }
+
+        pathToID.insert(path, id);
+        idToPath.insert(id, path);
+    }
+
+    if (!isRunning())
+        start();
+    else
+        write(kqpipe[1], "@", 1);
+
+    return p;
+}
+
+QStringList QKqueueFileSystemWatcherEngine::removePaths(const QStringList &paths,
+                                                        QStringList *files,
+                                                        QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+        QString path = it.next();
+        int id = pathToID.take(path);
+        QString x = idToPath.take(id);
+        if (x.isEmpty() || x != path)
+            continue;
+
+        int fd = id < 0 ? -id : id;
+        struct kevent kev;
+        EV_SET(&kev,
+               fd,
+               EVFILT_VNODE,
+               EV_DELETE,
+               NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_ATTRIB | NOTE_RENAME | NOTE_REVOKE,
+               0,
+               0);
+        if (kevent(kqfd, &kev, 1, 0, 0, 0) == -1) {
+            perror("QKqueueFileSystemWatcherEngine::removeWatch: kevent");
+        }
+        ::close(fd);
+
+        it.remove();
+        if (id < 0)
+            directories->removeAll(path);
+        else
+            files->removeAll(path);
+    }
+
+    if (pathToID.isEmpty()) {
+        stop();
+        locker.unlock();
+        wait();
+        locker.relock();
+    } else {
+        write(kqpipe[1], "@", 1);
+    }
+
+    return p;
+}
+
+void QKqueueFileSystemWatcherEngine::stop()
+{
+    write(kqpipe[1], "q", 1);
+}
+
+void QKqueueFileSystemWatcherEngine::run()
+{
+    static const struct timespec ZeroTimeout = { 0, 0 };
+
+    forever {
+        struct kevent kev;
+        DEBUG() << "QKqueueFileSystemWatcherEngine: waiting for kevents...";
+        int r = kevent(kqfd, 0, 0, &kev, 1, 0);
+        if (r < 0) {
+            perror("QKqueueFileSystemWatcherEngine: error during kevent wait");
+            return;
+        }
+
+        QMutexLocker locker(&mutex);
+        do {
+            int fd = kev.ident;
+
+            DEBUG() << "QKqueueFileSystemWatcherEngine: processing kevent" << kev.ident << kev.filter;
+            if (fd == kqpipe[0]) {
+                char c;
+                if (read(kqpipe[0], &c, 1) != 1) {
+                    perror("QKqueueFileSystemWatcherEngine: error reading from pipe");
+                    return;
+                }
+                switch (c) {
+                case 'q':
+                    DEBUG() << "QKqueueFileSystemWatcherEngine: thread received 'q', exiting...";
+                    return;
+                case '@':
+                    DEBUG() << "QKqueueFileSystemWatcherEngine: thread received '@', continuing...";
+                    break;
+                default:
+                    DEBUG() << "QKqueueFileSystemWatcherEngine: thread received unknow message" << c;
+                    break;
+                }
+            } else {
+                int id = fd;
+                QString path = idToPath.value(id);
+                if (path.isEmpty()) {
+                    // perhaps a directory?
+                    id = -id;
+                    path = idToPath.value(id);
+                    if (path.isEmpty()) {
+                        DEBUG() << "QKqueueFileSystemWatcherEngine: received a kevent for a file we're not watching";
+                        continue;
+                    }
+                }
+                if (kev.filter != EVFILT_VNODE) {
+                    DEBUG() << "QKqueueFileSystemWatcherEngine: received a kevent with the wrong filter";
+                    continue;
+                }
+
+                if ((kev.fflags & (NOTE_DELETE | NOTE_REVOKE | NOTE_RENAME)) != 0) {
+                    DEBUG() << path << "removed, removing watch also";
+
+                    pathToID.remove(path);
+                    idToPath.remove(id);
+                    ::close(fd);
+
+                    if (id < 0)
+                        emit directoryChanged(path, true);
+                    else
+                        emit fileChanged(path, true);
+                } else {
+                    DEBUG() << path << "changed, re-enabling watch";
+
+                    if (id < 0)
+                        emit directoryChanged(path, false);
+                    else
+                        emit fileChanged(path, false);
+
+                    // renable the watch
+                    EV_SET(&kev,
+                           fd,
+                           EVFILT_VNODE,
+                           EV_ADD | EV_ENABLE | EV_ONESHOT,
+                           NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_ATTRIB | NOTE_RENAME | NOTE_REVOKE,
+                           0,
+                           0);
+                    if (kevent(kqfd, &kev, 1, 0, 0, 0) == -1) {
+                        perror("QKqueueFileSystemWatcherEngine::processKqueueEvents: kevent EV_ADD");
+                    }
+                }
+            }
+
+            // are there any more?
+            r = kevent(kqfd, 0, 0, &kev, 1, &ZeroTimeout);
+        } while (r > 0);
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qfilesystemwatcher_kqueue_p.h b/src/corelib/io/qfilesystemwatcher_kqueue_p.h
new file mode 100644
index 0000000000..789fb3aa93
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_kqueue_p.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef FILEWATCHER_KQUEUE_P_H
+#define FILEWATCHER_KQUEUE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qfilesystemwatcher_p.h"
+
+#include <QtCore/qhash.h>
+#include <QtCore/qmutex.h>
+#include <QtCore/qthread.h>
+#include <QtCore/qvector.h>
+
+struct kevent;
+
+QT_BEGIN_NAMESPACE
+
+class QKqueueFileSystemWatcherEngine : public QFileSystemWatcherEngine
+{
+    Q_OBJECT
+public:
+    ~QKqueueFileSystemWatcherEngine();
+
+    static QKqueueFileSystemWatcherEngine *create();
+
+    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
+    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);
+
+    void stop();
+
+private:
+    QKqueueFileSystemWatcherEngine(int kqfd);
+
+    void run();
+
+    int kqfd;
+    int kqpipe[2];
+
+    QMutex mutex;
+    QHash<QString, int> pathToID;
+    QHash<int, QString> idToPath;
+};
+
+QT_END_NAMESPACE
+
+#endif // FILEWATCHER_KQUEUE_P_H
diff --git a/src/corelib/io/qfilesystemwatcher_p.h b/src/corelib/io/qfilesystemwatcher_p.h
new file mode 100644
index 0000000000..7cc9153e84
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_p.h
@@ -0,0 +1,120 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILESYSTEMWATCHER_P_H
+#define QFILESYSTEMWATCHER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qfilesystemwatcher.h"
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+#include <private/qobject_p.h>
+
+#include <QtCore/qstringlist.h>
+#include <QtCore/qthread.h>
+
+QT_BEGIN_NAMESPACE
+
+class QFileSystemWatcherEngine : public QThread
+{
+    Q_OBJECT
+
+protected:
+    inline QFileSystemWatcherEngine()
+    {
+        moveToThread(this);
+    }
+
+public:
+    // fills \a files and \a directires with the \a paths it could
+    // watch, and returns a list of paths this engine could not watch
+    virtual QStringList addPaths(const QStringList &paths,
+                                 QStringList *files,
+                                 QStringList *directories) = 0;
+    // removes \a paths from \a files and \a directories, and returns
+    // a list of paths this engine does not know about (either addPath
+    // failed or wasn't called)
+    virtual QStringList removePaths(const QStringList &paths,
+                                    QStringList *files,
+                                    QStringList *directories) = 0;
+
+    virtual void stop() = 0;
+
+Q_SIGNALS:
+    void fileChanged(const QString &path, bool removed);
+    void directoryChanged(const QString &path, bool removed);
+};
+
+class QFileSystemWatcherPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QFileSystemWatcher)
+
+    static QFileSystemWatcherEngine *createNativeEngine();
+
+public:
+    QFileSystemWatcherPrivate();
+    void init();
+    void initPollerEngine();
+    void initForcedEngine(const QString &);
+
+    QFileSystemWatcherEngine *native, *poller, *forced;
+    QStringList files, directories;
+
+    // private slots
+    void _q_fileChanged(const QString &path, bool removed);
+    void _q_directoryChanged(const QString &path, bool removed);
+};
+
+
+QT_END_NAMESPACE
+#endif // QT_NO_FILESYSTEMWATCHER
+#endif // QFILESYSTEMWATCHER_P_H
diff --git a/src/corelib/io/qfilesystemwatcher_win.cpp b/src/corelib/io/qfilesystemwatcher_win.cpp
new file mode 100644
index 0000000000..74e3e2773f
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_win.cpp
@@ -0,0 +1,333 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfilesystemwatcher.h"
+#include "qfilesystemwatcher_win_p.h"
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+#include <qdebug.h>
+#include <qfileinfo.h>
+#include <qstringlist.h>
+#include <qset.h>
+#include <qdatetime.h>
+#include <qdir.h>
+
+QT_BEGIN_NAMESPACE
+
+QWindowsFileSystemWatcherEngine::QWindowsFileSystemWatcherEngine()
+    : msg(0)
+{
+    HANDLE h = QT_WA_INLINE(CreateEventW(0, false, false, 0),
+                                CreateEventA(0, false, false, 0));
+    if (h != INVALID_HANDLE_VALUE) {
+        handles.reserve(MAXIMUM_WAIT_OBJECTS);
+        handles.append(h);
+    }
+}
+
+QWindowsFileSystemWatcherEngine::~QWindowsFileSystemWatcherEngine()
+{
+    if (handles.isEmpty())
+        return;
+
+    stop();
+    wait();
+
+    CloseHandle(handles.at(0));
+    handles[0] = INVALID_HANDLE_VALUE;
+
+    foreach (HANDLE h, handles) {
+        if (h == INVALID_HANDLE_VALUE)
+            continue;
+        FindCloseChangeNotification(h);
+    }
+}
+
+void QWindowsFileSystemWatcherEngine::run()
+{
+    QMutexLocker locker(&mutex);
+    forever {
+        QVector<HANDLE> handlesCopy = handles;
+        locker.unlock();
+        // qDebug() << "QWindowsFileSystemWatcherEngine: waiting on" << handlesCopy.count() << "handles";
+        DWORD r = WaitForMultipleObjects(handlesCopy.count(), handlesCopy.constData(), false, INFINITE);
+        locker.relock();
+        do {
+            if (r == WAIT_OBJECT_0) {
+                int m = msg;
+                msg = 0;
+                if (m == 'q') {
+                    // qDebug() << "thread told to quit";
+                    return;
+                }
+                if (m != '@')  {
+                    qDebug("QWindowsFileSystemWatcherEngine: unknown message '%c' send to thread", char(m));
+                }
+                break;
+            } else if (r > WAIT_OBJECT_0 && r < WAIT_OBJECT_0 + uint(handlesCopy.count())) {
+                int at = r - WAIT_OBJECT_0;
+                Q_ASSERT(at < handlesCopy.count());
+                HANDLE handle = handlesCopy.at(at);
+
+                // When removing a path, FindCloseChangeNotification might actually fire a notification
+                // for some reason, so we must check if the handle exist in the handles vector
+                if (handles.contains(handle)) {
+                    // qDebug("Acknowledged handle: %d, %p", at, handle);
+                    if (!FindNextChangeNotification(handle)) {
+                        qErrnoWarning("QFileSystemWatcher: FindNextChangeNotification failed");
+                    }
+
+                    QHash<QString, PathInfo> &h = pathInfoForHandle[handle];
+                    QMutableHashIterator<QString, PathInfo> it(h);
+                    while (it.hasNext()) {
+                        QHash<QString, PathInfo>::iterator x = it.next();
+                        QString absolutePath = x.value().absolutePath;
+                        QFileInfo fileInfo(x.value().path);
+                        // qDebug() << "checking" << x.key();
+                        if (!fileInfo.exists()) {
+                            // qDebug() << x.key() << "removed!";
+                            if (x.value().isDir)
+                                emit directoryChanged(x.value().path, true);
+                            else
+                                emit fileChanged(x.value().path, true);
+                            h.erase(x);
+
+                            // close the notification handle if the directory has been removed
+                            if (h.isEmpty()) {
+                                // qDebug() << "Thread closing handle" << handle;
+                                FindCloseChangeNotification(handle);    // This one might generate a notification
+
+                                int indexOfHandle = handles.indexOf(handle);
+                                Q_ASSERT(indexOfHandle != -1);
+                                handles.remove(indexOfHandle);
+
+                                handleForDir.remove(absolutePath);
+                                // h is now invalid
+                            }
+                        } else if (x.value().isDir) {
+                            // qDebug() << x.key() << "directory changed!";
+                            emit directoryChanged(x.value().path, false);
+                            x.value() = fileInfo;
+                        } else if (x.value() != fileInfo) {
+                            // qDebug() << x.key() << "file changed!";
+                            emit fileChanged(x.value().path, false);
+                            x.value() = fileInfo;
+                        }
+                    }
+                }
+            } else {
+                // qErrnoWarning("QFileSystemWatcher: error while waiting for change notification");
+                break;  // avoid endless loop
+            }
+            handlesCopy = handles;
+            r = WaitForMultipleObjects(handlesCopy.count(), handlesCopy.constData(), false, 0);
+        } while (r != WAIT_TIMEOUT);
+    }
+}
+
+QStringList QWindowsFileSystemWatcherEngine::addPaths(const QStringList &paths,
+                                                      QStringList *files,
+                                                      QStringList *directories)
+{
+    if (handles.isEmpty() || handles.count() == MAXIMUM_WAIT_OBJECTS)
+        return paths;
+
+    QMutexLocker locker(&mutex);
+
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+        QString path = it.next();
+        QString normalPath = path;
+        if ((normalPath.endsWith(QLatin1Char('/')) || normalPath.endsWith(QLatin1Char('\\')))
+#ifdef Q_OS_WINCE
+            && normalPath.size() > 1)
+#else
+            )
+#endif
+            normalPath.chop(1);
+        QFileInfo fileInfo(normalPath.toLower());
+        if (!fileInfo.exists())
+            continue;
+
+        bool isDir = fileInfo.isDir();
+        if (isDir) {
+            if (directories->contains(path))
+                continue;
+        } else {
+            if (files->contains(path))
+                continue;
+        }
+
+        const QString absolutePath = isDir ? fileInfo.absoluteFilePath() : fileInfo.absolutePath();
+        const uint flags = isDir
+            ? (FILE_NOTIFY_CHANGE_DIR_NAME
+               | FILE_NOTIFY_CHANGE_FILE_NAME)
+            : (FILE_NOTIFY_CHANGE_DIR_NAME
+               | FILE_NOTIFY_CHANGE_FILE_NAME
+               | FILE_NOTIFY_CHANGE_ATTRIBUTES
+               | FILE_NOTIFY_CHANGE_SIZE
+               | FILE_NOTIFY_CHANGE_LAST_WRITE
+               | FILE_NOTIFY_CHANGE_SECURITY);
+
+        Handle handle = handleForDir.value(absolutePath);
+        if (handle.handle == INVALID_HANDLE_VALUE || handle.flags != flags) {
+            // Volume and folder paths need a trailing slash for proper notification
+            // (e.g. "c:" -> "c:/").
+            const QString effectiveAbsolutePath =
+                isDir ? (absolutePath + QLatin1Char('/')) : absolutePath;
+
+            QT_WA({
+                    handle.handle = FindFirstChangeNotificationW((TCHAR *) QDir::toNativeSeparators(effectiveAbsolutePath).utf16(),
+                                                      false, flags);
+            },{
+                    handle.handle = FindFirstChangeNotificationA(QDir::toNativeSeparators(effectiveAbsolutePath).toLocal8Bit(),
+                                                      false, flags);
+            })
+            handle.flags = flags;
+            if (handle.handle == INVALID_HANDLE_VALUE)
+                continue;
+            // qDebug() << "Added handle" << handle << "for" << absolutePath << "to watch" << fileInfo.absoluteFilePath();
+            handles.append(handle.handle);
+            handleForDir.insert(absolutePath, handle);
+        }
+
+        PathInfo pathInfo;
+        pathInfo.absolutePath = absolutePath;
+        pathInfo.isDir = isDir;
+        pathInfo.path = path;
+        pathInfo = fileInfo;
+        QHash<QString, PathInfo> &h = pathInfoForHandle[handle.handle];
+        if (!h.contains(fileInfo.absoluteFilePath())) {
+            pathInfoForHandle[handle.handle].insert(fileInfo.absoluteFilePath(), pathInfo);
+            if (isDir)
+                directories->append(path);
+            else
+                files->append(path);
+        }
+
+        it.remove();
+    }
+
+    if (!isRunning()) {
+        msg = '@';
+        start();
+    } else {
+        wakeup();
+    }
+
+    return p;
+}
+
+QStringList QWindowsFileSystemWatcherEngine::removePaths(const QStringList &paths,
+                                                         QStringList *files,
+                                                         QStringList *directories)
+{
+    QMutexLocker locker(&mutex);
+
+    QStringList p = paths;
+    QMutableListIterator<QString> it(p);
+    while (it.hasNext()) {
+        QString path = it.next();
+        QString normalPath = path;
+        if (normalPath.endsWith(QLatin1Char('/')) || normalPath.endsWith(QLatin1Char('\\')))
+            normalPath.chop(1);
+        QFileInfo fileInfo(normalPath.toLower());
+
+        QString absolutePath = fileInfo.absoluteFilePath();
+        Handle handle = handleForDir.value(absolutePath);
+        if (handle.handle == INVALID_HANDLE_VALUE) {
+            // perhaps path is a file?
+            absolutePath = fileInfo.absolutePath();
+            handle = handleForDir.value(absolutePath);
+            if (handle.handle == INVALID_HANDLE_VALUE)
+                continue;
+        }
+
+        QHash<QString, PathInfo> &h = pathInfoForHandle[handle.handle];
+        if (h.remove(fileInfo.absoluteFilePath())) {
+            // ###
+            files->removeAll(path);
+            directories->removeAll(path);
+
+            if (h.isEmpty()) {
+                // qDebug() << "Closing handle" << handle;
+                FindCloseChangeNotification(handle.handle);    // This one might generate a notification
+
+                int indexOfHandle = handles.indexOf(handle.handle);
+                Q_ASSERT(indexOfHandle != -1);
+                handles.remove(indexOfHandle);
+
+                handleForDir.remove(absolutePath);
+                // h is now invalid
+
+                it.remove();
+            }
+        }
+    }
+
+    if (handleForDir.isEmpty()) {
+        stop();
+        locker.unlock();
+        wait();
+        locker.relock();
+    } else {
+        wakeup();
+    }
+
+    return p;
+}
+
+void QWindowsFileSystemWatcherEngine::stop()
+{
+    msg = 'q';
+    SetEvent(handles.at(0));
+}
+
+void QWindowsFileSystemWatcherEngine::wakeup()
+{
+    msg = '@';
+    SetEvent(handles.at(0));
+}
+
+QT_END_NAMESPACE
+#endif // QT_NO_FILESYSTEMWATCHER
diff --git a/src/corelib/io/qfilesystemwatcher_win_p.h b/src/corelib/io/qfilesystemwatcher_win_p.h
new file mode 100644
index 0000000000..525e32feb2
--- /dev/null
+++ b/src/corelib/io/qfilesystemwatcher_win_p.h
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILESYSTEMWATCHER_WIN_P_H
+#define QFILESYSTEMWATCHER_WIN_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qfilesystemwatcher_p.h"
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+
+#include <windows.h>
+
+#include <QtCore/qdatetime.h>
+#include <QtCore/qfile.h>
+#include <QtCore/qfileinfo.h>
+#include <QtCore/qhash.h>
+#include <QtCore/qmutex.h>
+#include <QtCore/qvector.h>
+
+QT_BEGIN_NAMESPACE
+
+class QWindowsFileSystemWatcherEngine : public QFileSystemWatcherEngine
+{
+    Q_OBJECT
+
+public:
+    QWindowsFileSystemWatcherEngine();
+    ~QWindowsFileSystemWatcherEngine();
+
+    void run();
+
+    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
+    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);
+
+    void stop();
+
+private:
+    void wakeup();
+
+    QMutex mutex;
+    QVector<HANDLE> handles;
+    int msg;
+
+    class Handle
+    {
+    public:
+        HANDLE handle;
+        uint flags;
+
+        Handle()
+            : handle(INVALID_HANDLE_VALUE), flags(0u)
+        { }
+        Handle(const Handle &other)
+            : handle(other.handle), flags(other.flags)
+        { }
+    };
+    QHash<QString, Handle> handleForDir;
+
+    class PathInfo {
+    public:
+        QString absolutePath;
+        QString path;
+        bool isDir;
+
+        // fileinfo bits
+        uint ownerId;
+        uint groupId;
+        QFile::Permissions permissions;
+        QDateTime lastModified;
+
+        PathInfo &operator=(const QFileInfo &fileInfo)
+        {
+            ownerId = fileInfo.ownerId();
+            groupId = fileInfo.groupId();
+            permissions = fileInfo.permissions();
+            lastModified = fileInfo.lastModified();
+            return *this;
+        }
+
+        bool operator!=(const QFileInfo &fileInfo) const
+        {
+            return (ownerId != fileInfo.ownerId()
+                    || groupId != fileInfo.groupId()
+                    || permissions != fileInfo.permissions()
+                    || lastModified != fileInfo.lastModified());
+        }
+    };
+    QHash<HANDLE, QHash<QString, PathInfo> > pathInfoForHandle;
+};
+#endif // QT_NO_FILESYSTEMWATCHER
+
+QT_END_NAMESPACE
+
+#endif // QFILESYSTEMWATCHER_WIN_P_H
diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp
new file mode 100644
index 0000000000..61ea7cc32d
--- /dev/null
+++ b/src/corelib/io/qfsfileengine.cpp
@@ -0,0 +1,873 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfsfileengine_p.h"
+#include "qfsfileengine_iterator_p.h"
+#include "qdatetime.h"
+#include "qdiriterator.h"
+#include "qset.h"
+
+#ifndef QT_NO_FSFILEENGINE
+
+#if !defined(Q_OS_WINCE)
+#include <errno.h>
+#endif
+#include <stdio.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifdef Q_OS_WIN
+#  ifndef S_ISREG
+#    define S_ISREG(x)   (((x) & S_IFMT) == S_IFREG)
+#  endif
+#  ifndef S_ISCHR
+#    define S_ISCHR(x)   (((x) & S_IFMT) == S_IFCHR)
+#  endif
+#  ifndef S_ISFIFO
+#    define S_ISFIFO(x) false
+#  endif
+#  ifndef S_ISSOCK
+#    define S_ISSOCK(x) false
+#  endif
+#  ifndef INVALID_FILE_ATTRIBUTES
+#    define INVALID_FILE_ATTRIBUTES (DWORD (-1))
+#  endif
+#endif
+
+
+/*! \class QFSFileEngine
+    \brief The QFSFileEngine class implements Qt's default file engine.
+    \since 4.1
+
+    This class is part of the file engine framework in Qt. If you only want to
+    access files or directories, use QFile, QFileInfo or QDir instead.
+
+    QFSFileEngine is the default file engine for accessing regular files. It
+    is provided for convenience; by subclassing this class, you can alter its
+    behavior slightly, without having to write a complete QAbstractFileEngine
+    subclass. To install your custom file engine, you must also subclass
+    QAbstractFileEngineHandler and create an instance of your handler.
+
+    It can also be useful to create a QFSFileEngine object directly if you
+    need to use the local file system inside QAbstractFileEngine::create(), in
+    order to avoid recursion (as higher-level classes tend to call
+    QAbstractFileEngine::create()).
+*/
+
+//**************** QFSFileEnginePrivate
+QFSFileEnginePrivate::QFSFileEnginePrivate() : QAbstractFileEnginePrivate()
+{
+    init();
+}
+
+/*!
+    \internal
+*/
+void QFSFileEnginePrivate::init()
+{
+    is_sequential = 0;
+    tried_stat = 0;
+#ifdef Q_OS_UNIX
+    need_lstat = 1;
+    is_link = 0;
+#endif
+    openMode = QIODevice::NotOpen;
+    fd = -1;
+    fh = 0;
+    lastIOCommand = IOFlushCommand;
+    lastFlushFailed = false;
+    closeFileHandle = false;
+#ifdef Q_OS_WIN
+    fileAttrib = INVALID_FILE_ATTRIBUTES;
+    fileHandle = INVALID_HANDLE_VALUE;
+    cachedFd = -1;
+#endif
+#ifdef Q_USE_DEPRECATED_MAP_API
+    fileMapHandle = INVALID_HANDLE_VALUE;
+#endif
+}
+
+/*!
+    \internal
+
+    Returns the canonicalized form of \a path (i.e., with all symlinks
+    resolved, and all redundant path elements removed.
+*/
+QString QFSFileEnginePrivate::canonicalized(const QString &path)
+{
+    if (path.isEmpty())
+        return path;
+
+    QFileInfo fi;
+    const QChar slash(QLatin1Char('/'));
+    QString tmpPath = path;
+    int separatorPos = 0;
+    QSet<QString> nonSymlinks;
+    QSet<QString> known;
+
+    known.insert(path);
+    do {
+#ifdef Q_OS_WIN
+        // UNC, skip past the first two elements
+        if (separatorPos == 0 && tmpPath.startsWith(QLatin1String("//")))
+            separatorPos = tmpPath.indexOf(slash, 2);
+        if (separatorPos != -1)
+#endif
+        separatorPos = tmpPath.indexOf(slash, separatorPos + 1);
+        QString prefix = separatorPos == -1 ? tmpPath : tmpPath.left(separatorPos);
+        if (!nonSymlinks.contains(prefix)) {
+            fi.setFile(prefix);
+            if (fi.isSymLink()) {
+                QString target = fi.symLinkTarget();
+                if (separatorPos != -1) {
+                    if (fi.isDir() && !target.endsWith(slash))
+                        target.append(slash);
+                    target.append(tmpPath.mid(separatorPos));
+                }
+                tmpPath = QDir::cleanPath(target);
+                separatorPos = 0;
+
+                if (known.contains(tmpPath))
+                    return QString();
+                known.insert(tmpPath);
+            } else {
+                nonSymlinks.insert(prefix);
+            }
+        }
+    } while (separatorPos != -1);
+
+    return QDir::cleanPath(tmpPath);
+}
+
+/*!
+    Constructs a QFSFileEngine for the file name \a file.
+*/
+QFSFileEngine::QFSFileEngine(const QString &file) : QAbstractFileEngine(*new QFSFileEnginePrivate)
+{
+    Q_D(QFSFileEngine);
+    d->filePath = QDir::fromNativeSeparators(file);
+    d->nativeInitFileName();
+}
+
+/*!
+    Constructs a QFSFileEngine.
+*/
+QFSFileEngine::QFSFileEngine() : QAbstractFileEngine(*new QFSFileEnginePrivate)
+{
+}
+
+/*!
+    \internal
+*/
+QFSFileEngine::QFSFileEngine(QFSFileEnginePrivate &dd)
+    : QAbstractFileEngine(dd)
+{
+}
+
+/*!
+    Destructs the QFSFileEngine.
+*/
+QFSFileEngine::~QFSFileEngine()
+{
+    Q_D(QFSFileEngine);
+    if (d->closeFileHandle) {
+        if (d->fh) {
+            int ret;
+            do {
+                ret = fclose(d->fh);
+            } while (ret == EOF && errno == EINTR);
+        } else if (d->fd != -1) {
+            int ret;
+            do {
+                ret = QT_CLOSE(d->fd);
+            } while (ret == -1 && errno == EINTR);
+        }
+    }
+    QList<uchar*> keys = d->maps.keys();
+    for (int i = 0; i < keys.count(); ++i)
+        unmap(keys.at(i));
+}
+
+/*!
+    \reimp
+*/
+void QFSFileEngine::setFileName(const QString &file)
+{
+    Q_D(QFSFileEngine);
+    d->init();
+    d->filePath = QDir::fromNativeSeparators(file);
+    d->nativeInitFileName();
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::open(QIODevice::OpenMode openMode)
+{
+    Q_D(QFSFileEngine);
+    if (d->filePath.isEmpty()) {
+        qWarning("QFSFileEngine::open: No file name specified");
+        setError(QFile::OpenError, QLatin1String("No file name specified"));
+        return false;
+    }
+
+    // Append implies WriteOnly.
+    if (openMode & QFile::Append)
+        openMode |= QFile::WriteOnly;
+
+    // WriteOnly implies Truncate if neither ReadOnly nor Append are sent.
+    if ((openMode & QFile::WriteOnly) && !(openMode & (QFile::ReadOnly | QFile::Append)))
+        openMode |= QFile::Truncate;
+
+    d->openMode = openMode;
+    d->lastFlushFailed = false;
+    d->tried_stat = 0;
+    d->fh = 0;
+    d->fd = -1;
+
+    return d->nativeOpen(openMode);
+}
+
+/*!
+    Opens the file handle \a fh in \a openMode mode. Returns true on
+    success; otherwise returns false.
+*/
+bool QFSFileEngine::open(QIODevice::OpenMode openMode, FILE *fh)
+{
+    Q_D(QFSFileEngine);
+
+    // Append implies WriteOnly.
+    if (openMode & QFile::Append)
+        openMode |= QFile::WriteOnly;
+
+    // WriteOnly implies Truncate if neither ReadOnly nor Append are sent.
+    if ((openMode & QFile::WriteOnly) && !(openMode & (QFile::ReadOnly | QFile::Append)))
+        openMode |= QFile::Truncate;
+
+    d->openMode = openMode;
+    d->lastFlushFailed = false;
+    d->closeFileHandle = false;
+    d->nativeFilePath.clear();
+    d->filePath.clear();
+    d->tried_stat = 0;
+    d->fd = -1;
+
+    return d->openFh(openMode, fh);
+}
+
+/*!
+    Opens the file handle \a fh using the open mode \a flags.
+*/
+bool QFSFileEnginePrivate::openFh(QIODevice::OpenMode openMode, FILE *fh)
+{
+    Q_Q(QFSFileEngine);
+    this->fh = fh;
+    fd = -1;
+
+    // Seek to the end when in Append mode.
+    if (openMode & QIODevice::Append) {
+        int ret;
+        do {
+            ret = QT_FSEEK(fh, 0, SEEK_END);
+        } while (ret == -1 && errno == EINTR);
+
+        if (ret == -1) {
+            q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError,
+                        qt_error_string(int(errno)));
+            return false;
+        }
+    }
+
+    return true;
+}
+
+/*!
+    Opens the file descriptor \a fd in \a openMode mode. Returns true
+    on success; otherwise returns false.
+*/
+bool QFSFileEngine::open(QIODevice::OpenMode openMode, int fd)
+{
+    Q_D(QFSFileEngine);
+
+    // Append implies WriteOnly.
+    if (openMode & QFile::Append)
+        openMode |= QFile::WriteOnly;
+
+    // WriteOnly implies Truncate if neither ReadOnly nor Append are sent.
+    if ((openMode & QFile::WriteOnly) && !(openMode & (QFile::ReadOnly | QFile::Append)))
+        openMode |= QFile::Truncate;
+
+    d->lastFlushFailed = false;
+    d->closeFileHandle = false;
+    d->nativeFilePath.clear();
+    d->filePath.clear();
+    d->fh = 0;
+    d->fd = -1;
+    d->tried_stat = 0;
+
+    return d->openFd(openMode, fd);
+}
+
+
+/*!
+    Opens the file descriptor \a fd to the file engine, using the open mode \a
+    flags.
+*/
+bool QFSFileEnginePrivate::openFd(QIODevice::OpenMode openMode, int fd)
+{
+    Q_Q(QFSFileEngine);
+    this->fd = fd;
+    fh = 0;
+
+    // Seek to the end when in Append mode.
+    if (openMode & QFile::Append) {
+        int ret;
+        do {
+            ret = QT_LSEEK(fd, 0, SEEK_END);
+        } while (ret == -1 && errno == EINTR);
+
+        if (ret == -1) {
+            q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError,
+                        qt_error_string(int(errno)));
+            return false;
+        }
+    }
+
+    return true;
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::close()
+{
+    Q_D(QFSFileEngine);
+    d->openMode = QIODevice::NotOpen;
+    return d->nativeClose();
+}
+
+/*!
+    \internal
+*/
+bool QFSFileEnginePrivate::closeFdFh()
+{
+    Q_Q(QFSFileEngine);
+    if (fd == -1 && !fh)
+        return false;
+
+    // Flush the file if it's buffered, and if the last flush didn't fail.
+    bool flushed = !fh || (!lastFlushFailed && q->flush());
+    bool closed = true;
+    tried_stat = 0;
+
+    // Close the file if we created the handle.
+    if (closeFileHandle) {
+        int ret;
+        do {
+            if (fh) {
+                // Close buffered file.
+                ret = fclose(fh) != 0 ? -1 : 0;
+            } else {
+                // Close unbuffered file.
+                ret = QT_CLOSE(fd);
+            }
+        } while (ret == -1 && errno == EINTR);
+
+        // We must reset these guys regardless; calling close again after a
+        // failed close causes crashes on some systems.
+        fh = 0;
+        fd = -1;
+        closed = (ret == 0);
+    }
+
+    // Report errors.
+    if (!flushed || !closed) {
+        if (flushed) {
+            // If not flushed, we want the flush error to fall through.
+            q->setError(QFile::UnspecifiedError, qt_error_string(errno));
+        }
+        return false;
+    }
+
+    return true;
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::flush()
+{
+    Q_D(QFSFileEngine);
+    if ((d->openMode & QIODevice::WriteOnly) == 0) {
+        // Nothing in the write buffers, so flush succeeds in doing
+        // nothing.
+        return true;
+    }
+    return d->nativeFlush();
+}
+
+/*!
+    \internal
+*/
+bool QFSFileEnginePrivate::flushFh()
+{
+    Q_Q(QFSFileEngine);
+
+    // Never try to flush again if the last flush failed. Otherwise you can
+    // get crashes on some systems (AIX).
+    if (lastFlushFailed)
+        return false;
+
+    int ret = fflush(fh);
+
+    lastFlushFailed = (ret != 0);
+    lastIOCommand = QFSFileEnginePrivate::IOFlushCommand;
+
+    if (ret != 0) {
+        q->setError(errno == ENOSPC ? QFile::ResourceError : QFile::WriteError,
+                    qt_error_string(errno));
+        return false;
+    }
+    return true;
+}
+
+/*!
+    \reimp
+*/
+qint64 QFSFileEngine::size() const
+{
+    Q_D(const QFSFileEngine);
+    return d->nativeSize();
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::sizeFdFh() const
+{
+    Q_Q(const QFSFileEngine);
+    // ### Fix this function, it should not stat unless the file is closed.
+    QT_STATBUF st;
+    int ret = 0;
+    const_cast<QFSFileEngine *>(q)->flush();
+    if (fh && nativeFilePath.isEmpty()) {
+        // Buffered stdlib mode.
+        // ### This should really be an ftell
+        ret = QT_FSTAT(QT_FILENO(fh), &st);
+    } else if (fd == -1) {
+        // Stateless stat.
+        ret = QT_STAT(nativeFilePath.constData(), &st);
+    } else {
+        // Unbuffered stdio mode.
+        ret = QT_FSTAT(fd, &st);
+    }
+    if (ret == -1)
+        return 0;
+    return st.st_size;
+}
+
+/*!
+    \reimp
+*/
+qint64 QFSFileEngine::pos() const
+{
+    Q_D(const QFSFileEngine);
+    return d->nativePos();
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::posFdFh() const
+{
+    if (fh)
+        return qint64(QT_FTELL(fh));
+    return QT_LSEEK(fd, 0, SEEK_CUR);
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::seek(qint64 pos)
+{
+    Q_D(QFSFileEngine);
+    return d->nativeSeek(pos);
+}
+
+/*!
+    \internal
+*/
+bool QFSFileEnginePrivate::seekFdFh(qint64 pos)
+{
+    Q_Q(QFSFileEngine);
+
+    // On Windows' stdlib implementation, the results of calling fread and
+    // fwrite are undefined if not called either in sequence, or if preceded
+    // with a call to fflush().
+    if (lastIOCommand != QFSFileEnginePrivate::IOFlushCommand && !q->flush())
+        return false;
+
+    if (fh) {
+        // Buffered stdlib mode.
+        int ret;
+        do {
+            ret = QT_FSEEK(fh, QT_OFF_T(pos), SEEK_SET);
+        } while (ret == -1 && errno == EINTR);
+
+        if (ret == -1) {
+            q->setError(QFile::ReadError, qt_error_string(int(errno)));
+            return false;
+        }
+    } else {
+        // Unbuffered stdio mode.
+        if (QT_LSEEK(fd, pos, SEEK_SET) == -1) {
+            qWarning("QFile::at: Cannot set file position %lld", pos);
+            q->setError(QFile::PositionError, qt_error_string(errno));
+            return false;
+        }
+    }
+    return true;
+}
+
+/*!
+    \reimp
+*/
+int QFSFileEngine::handle() const
+{
+    Q_D(const QFSFileEngine);
+    return d->nativeHandle();
+}
+
+/*!
+    \reimp
+*/
+qint64 QFSFileEngine::read(char *data, qint64 maxlen)
+{
+    Q_D(QFSFileEngine);
+
+    // On Windows' stdlib implementation, the results of calling fread and
+    // fwrite are undefined if not called either in sequence, or if preceded
+    // with a call to fflush().
+    if (d->lastIOCommand != QFSFileEnginePrivate::IOReadCommand) {
+        flush();
+        d->lastIOCommand = QFSFileEnginePrivate::IOReadCommand;
+    }
+
+    return d->nativeRead(data, maxlen);
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::readFdFh(char *data, qint64 len)
+{
+    Q_Q(QFSFileEngine);
+
+    // Buffered stdlib mode.
+    if (fh) {
+        qint64 readBytes = 0;
+        qint64 read = 0;
+        int retry = 0;
+
+        // Read in blocks of 4k to avoid platform limitations (Windows
+        // commonly bails out if you read or write too large blocks at once).
+        qint64 bytesToRead;
+        do {
+            if (retry == 1)
+                retry = 2;
+
+            bytesToRead = qMin<qint64>(4096, len - read);
+            do {
+                readBytes = fread(data + read, 1, size_t(bytesToRead), fh);
+            } while (readBytes == 0 && !feof(fh) && errno == EINTR);
+
+            if (readBytes > 0) {
+                read += readBytes;
+            } else if (!retry && feof(fh)) {
+                // Synchronize and try again (just once though).
+                if (++retry == 1)
+                    QT_FSEEK(fh, QT_FTELL(fh), SEEK_SET);
+            }
+        } while (retry == 1 || (readBytes == bytesToRead && read < len));
+
+        // Return the number of bytes read, or if nothing was read, return -1
+        // if an error occurred, or 0 if we detected EOF.
+        if (read == 0) {
+            q->setError(QFile::ReadError, qt_error_string(int(errno)));
+            if (!feof(fh))
+                read = -1;
+        }
+        return read;
+    }
+
+    // Unbuffered stdio mode.
+    qint64 ret = 0;
+    if (len) {
+        int result;
+        qint64 read = 0;
+        errno = 0;
+
+        // Read in blocks of 4k to avoid platform limitations (Windows
+        // commonly bails out if you read or write too large blocks at once).
+        do {
+            qint64 bytesToRead = qMin<qint64>(4096, len - read);
+            do {
+                result = QT_READ(fd, data + read, int(bytesToRead));
+            } while (result == -1 && errno == EINTR);
+            if (result > 0)
+                read += result;
+        } while (result > 0 && read < len);
+
+        // Return the number of bytes read, or if nothing was read, return -1
+        // if an error occurred.
+        if (read > 0) {
+            ret += read;
+        } else if (read == 0 && result < 0) {
+            ret = -1;
+            q->setError(QFile::ReadError, qt_error_string(errno));
+        }
+    }
+    return ret;
+}
+
+/*!
+    \reimp
+*/
+qint64 QFSFileEngine::readLine(char *data, qint64 maxlen)
+{
+    Q_D(QFSFileEngine);
+
+    // On Windows' stdlib implementation, the results of calling fread and
+    // fwrite are undefined if not called either in sequence, or if preceded
+    // with a call to fflush().
+    if (d->lastIOCommand != QFSFileEnginePrivate::IOReadCommand) {
+        flush();
+        d->lastIOCommand = QFSFileEnginePrivate::IOReadCommand;
+    }
+
+    return d->nativeReadLine(data, maxlen);
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::readLineFdFh(char *data, qint64 maxlen)
+{
+    Q_Q(QFSFileEngine);
+    if (!fh)
+        return q->QAbstractFileEngine::readLine(data, maxlen);
+
+    QT_OFF_T oldPos = 0;
+#ifdef Q_OS_WIN
+    bool seq = q->isSequential();
+    if (!seq)
+#endif
+        oldPos = QT_FTELL(fh);
+
+    // QIODevice::readLine() passes maxlen - 1 to QFile::readLineData()
+    // because it has made space for the '\0' at the end of data.  But fgets
+    // does the same, so we'd get two '\0' at the end - passing maxlen + 1
+    // solves this.
+    if (!fgets(data, int(maxlen + 1), fh)) {
+        if (!feof(fh))
+            q->setError(QFile::ReadError, qt_error_string(int(errno)));
+        return -1;              // error
+    }
+
+#ifdef Q_OS_WIN
+    if (seq)
+        return qstrlen(data);
+#endif
+
+    qint64 lineLength = QT_FTELL(fh) - oldPos;
+    return lineLength > 0 ? lineLength : qstrlen(data);
+}
+
+/*!
+    \reimp
+*/
+qint64 QFSFileEngine::write(const char *data, qint64 len)
+{
+    Q_D(QFSFileEngine);
+
+    // On Windows' stdlib implementation, the results of calling fread and
+    // fwrite are undefined if not called either in sequence, or if preceded
+    // with a call to fflush().
+    if (d->lastIOCommand != QFSFileEnginePrivate::IOWriteCommand) {
+        flush();
+        d->lastIOCommand = QFSFileEnginePrivate::IOWriteCommand;
+    }
+
+    return d->nativeWrite(data, len);
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::writeFdFh(const char *data, qint64 len)
+{
+    Q_Q(QFSFileEngine);
+    qint64 result;
+    qint64 written = 0;
+
+    do {
+        // Write blocks of 4k to avoid platform limitations (Windows commonly
+        // bails out if you read or write too large blocks at once).
+        qint64 bytesToWrite = qMin<qint64>(4096, len - written);
+        if (fh) {
+            do {
+                // Buffered stdlib mode.
+                result = qint64(fwrite(data + written, 1, size_t(bytesToWrite), fh));
+            } while (result == 0 && errno == EINTR);
+            if (bytesToWrite > 0 && result == 0)
+                result = -1;
+        } else {
+            do {
+                // Unbuffered stdio mode.
+                result = QT_WRITE(fd, data + written, bytesToWrite);
+            } while (result == -1 && errno == EINTR);
+        }
+        if (result > 0)
+            written += qint64(result);
+    } while (written < len && result > 0);
+
+    // If we read anything, return that with success. Otherwise, set an error,
+    // and return the last return value.
+    if (result > 0)
+        return written;
+    q->setError(errno == ENOSPC ? QFile::ResourceError : QFile::WriteError, qt_error_string(errno));
+    return result;
+}
+
+/*!
+    \internal
+*/
+QAbstractFileEngine::Iterator *QFSFileEngine::beginEntryList(QDir::Filters filters, const QStringList &filterNames)
+{
+    return new QFSFileEngineIterator(filters, filterNames);
+}
+
+/*!
+    \internal
+*/
+QAbstractFileEngine::Iterator *QFSFileEngine::endEntryList()
+{
+    return 0;
+}
+
+/*!
+    \internal
+*/
+QStringList QFSFileEngine::entryList(QDir::Filters filters, const QStringList &filterNames) const
+{
+    return QAbstractFileEngine::entryList(filters, filterNames);
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::isSequential() const
+{
+    Q_D(const QFSFileEngine);
+    if (d->is_sequential == 0)
+        d->is_sequential = d->nativeIsSequential() ? 1 : 2;
+    return d->is_sequential == 1;
+}
+
+/*!
+    \internal
+*/
+bool QFSFileEnginePrivate::isSequentialFdFh() const
+{
+    if (!tried_stat)
+        doStat();
+    if (could_stat) {
+#ifdef Q_OS_UNIX
+        return (st.st_mode & S_IFMT) != S_IFREG;
+        // ### WINDOWS!
+#endif
+    }
+    return true;
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::extension(Extension extension, const ExtensionOption *option, ExtensionReturn *output)
+{
+    Q_D(QFSFileEngine);
+    if (extension == AtEndExtension && d->fh && isSequential())
+        return feof(d->fh);
+
+    if (extension == MapExtension) {
+        const MapExtensionOption *options = (MapExtensionOption*)(option);
+        MapExtensionReturn *returnValue = static_cast<MapExtensionReturn*>(output);
+        returnValue->address = d->map(options->offset, options->size, options->flags);
+        return (returnValue->address != 0);
+    }
+    if (extension == UnMapExtension) {
+        UnMapExtensionOption *options = (UnMapExtensionOption*)option;
+        return d->unmap(options->address);
+    }
+
+    return false;
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::supportsExtension(Extension extension) const
+{
+    Q_D(const QFSFileEngine);
+    if (extension == AtEndExtension && d->fh && isSequential())
+        return true;
+    if (extension == FastReadLineExtension && d->fh)
+        return true;
+    if (extension == FastReadLineExtension && d->fd != -1 && isSequential())
+        return true;
+    if (extension == UnMapExtension || extension == MapExtension)
+        return true;
+    return false;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_FSFILEENGINE
diff --git a/src/corelib/io/qfsfileengine.h b/src/corelib/io/qfsfileengine.h
new file mode 100644
index 0000000000..a2b732e84e
--- /dev/null
+++ b/src/corelib/io/qfsfileengine.h
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFSFILEENGINE_H
+#define QFSFILEENGINE_H
+
+#include <QtCore/qabstractfileengine.h>
+
+#ifndef QT_NO_FSFILEENGINE
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QFSFileEnginePrivate;
+
+class Q_CORE_EXPORT QFSFileEngine : public QAbstractFileEngine
+{
+    Q_DECLARE_PRIVATE(QFSFileEngine)
+public:
+    QFSFileEngine();
+    explicit QFSFileEngine(const QString &file);
+    ~QFSFileEngine();
+
+    bool open(QIODevice::OpenMode openMode);
+    bool open(QIODevice::OpenMode flags, FILE *fh);
+    bool close();
+    bool flush();
+    qint64 size() const;
+    qint64 pos() const;
+    bool seek(qint64);
+    bool isSequential() const;
+    bool remove();
+    bool copy(const QString &newName);
+    bool rename(const QString &newName);
+    bool link(const QString &newName);
+    bool mkdir(const QString &dirName, bool createParentDirectories) const;
+    bool rmdir(const QString &dirName, bool recurseParentDirectories) const;
+    bool setSize(qint64 size);
+    bool caseSensitive() const;
+    bool isRelativePath() const;
+    QStringList entryList(QDir::Filters filters, const QStringList &filterNames) const;
+    FileFlags fileFlags(FileFlags type) const;
+    bool setPermissions(uint perms);
+    QString fileName(FileName file) const;
+    uint ownerId(FileOwner) const;
+    QString owner(FileOwner) const;
+    QDateTime fileTime(FileTime time) const;
+    void setFileName(const QString &file);
+    int handle() const;
+
+    Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames);
+    Iterator *endEntryList();
+
+    qint64 read(char *data, qint64 maxlen);
+    qint64 readLine(char *data, qint64 maxlen);
+    qint64 write(const char *data, qint64 len);
+
+    bool extension(Extension extension, const ExtensionOption *option = 0, ExtensionReturn *output = 0);
+    bool supportsExtension(Extension extension) const;
+
+    //FS only!!
+    bool open(QIODevice::OpenMode flags, int fd);
+    static bool setCurrentPath(const QString &path);
+    static QString currentPath(const QString &path = QString());
+    static QString homePath();
+    static QString rootPath();
+    static QString tempPath();
+    static QFileInfoList drives();
+
+protected:
+    QFSFileEngine(QFSFileEnginePrivate &dd);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_FSFILEENGINE
+
+#endif // QFSFILEENGINE_H
diff --git a/src/corelib/io/qfsfileengine_iterator.cpp b/src/corelib/io/qfsfileengine_iterator.cpp
new file mode 100644
index 0000000000..c5e23f2215
--- /dev/null
+++ b/src/corelib/io/qfsfileengine_iterator.cpp
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfsfileengine_iterator_p.h"
+#include "qvariant.h"
+
+#ifndef QT_NO_FSFILEENGINE
+
+QT_BEGIN_NAMESPACE
+
+QFSFileEngineIterator::QFSFileEngineIterator(QDir::Filters filters, const QStringList &filterNames)
+    : QAbstractFileEngineIterator(filters, filterNames)
+{
+    newPlatformSpecifics();
+}
+
+QFSFileEngineIterator::~QFSFileEngineIterator()
+{
+    deletePlatformSpecifics();
+}
+
+QString QFSFileEngineIterator::next()
+{
+    if (!hasNext())
+        return QString();
+
+    advance();
+    return currentFilePath();
+}
+
+QString QFSFileEngineIterator::currentFileName() const
+{
+    return currentEntry;
+}
+
+QFileInfo QFSFileEngineIterator::currentFileInfo() const
+{
+    return QAbstractFileEngineIterator::currentFileInfo();
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_FSFILEENGINE
+
diff --git a/src/corelib/io/qfsfileengine_iterator_p.h b/src/corelib/io/qfsfileengine_iterator_p.h
new file mode 100644
index 0000000000..7dcdbe2a8c
--- /dev/null
+++ b/src/corelib/io/qfsfileengine_iterator_p.h
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFSFILEENGINE_ITERATOR_P_H
+#define QFSFILEENGINE_ITERATOR_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qabstractfileengine.h"
+#include "qdir.h"
+
+#ifndef QT_NO_FSFILEENGINE
+
+QT_BEGIN_NAMESPACE
+
+class QFSFileEngineIteratorPrivate;
+class QFSFileEngineIteratorPlatformSpecificData;
+
+class QFSFileEngineIterator : public QAbstractFileEngineIterator
+{
+public:
+    QFSFileEngineIterator(QDir::Filters filters, const QStringList &filterNames);
+    ~QFSFileEngineIterator();
+
+    QString next();
+    bool hasNext() const;
+
+    QString currentFileName() const;
+    QFileInfo currentFileInfo() const;
+
+private:
+    QFSFileEngineIteratorPlatformSpecificData *platform;
+    friend class QFSFileEngineIteratorPlatformSpecificData;
+    void newPlatformSpecifics();
+    void deletePlatformSpecifics();
+    void advance();
+
+    QString currentEntry;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_FSFILEENGINE
+
+#endif
diff --git a/src/corelib/io/qfsfileengine_iterator_unix.cpp b/src/corelib/io/qfsfileengine_iterator_unix.cpp
new file mode 100644
index 0000000000..2284d9ba85
--- /dev/null
+++ b/src/corelib/io/qfsfileengine_iterator_unix.cpp
@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qfsfileengine_iterator_p.h"
+
+#include <QtCore/qvariant.h>
+
+#ifndef QT_NO_FSFILEENGINE
+
+QT_BEGIN_NAMESPACE
+
+class QFSFileEngineIteratorPlatformSpecificData
+{
+public:
+    inline QFSFileEngineIteratorPlatformSpecificData()
+        : dir(0), dirEntry(0), done(false)
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN)
+          , mt_file(0)
+#endif
+    { }
+
+    DIR *dir;
+    dirent *dirEntry;
+    bool done;
+
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN)
+    // for readdir_r
+    dirent *mt_file;
+#endif
+};
+
+void QFSFileEngineIterator::advance()
+{
+    currentEntry = platform->dirEntry ? QFile::decodeName(QByteArray(platform->dirEntry->d_name)) : QString();
+
+    if (!platform->dir)
+        return;
+
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN)
+    if (::readdir_r(platform->dir, platform->mt_file, &platform->dirEntry) != 0)
+        platform->done = true;
+#else
+    // ### add local lock to prevent breaking reentrancy
+    platform->dirEntry = ::readdir(platform->dir);
+#endif // _POSIX_THREAD_SAFE_FUNCTIONS
+    if (!platform->dirEntry) {
+        ::closedir(platform->dir);
+        platform->dir = 0;
+        platform->done = true;
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN)
+        delete [] platform->mt_file;
+        platform->mt_file = 0;
+#endif
+    }
+}
+
+void QFSFileEngineIterator::newPlatformSpecifics()
+{
+    platform = new QFSFileEngineIteratorPlatformSpecificData;
+}
+
+void QFSFileEngineIterator::deletePlatformSpecifics()
+{
+    if (platform->dir) {
+        ::closedir(platform->dir);
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN)
+        delete [] platform->mt_file;
+        platform->mt_file = 0;
+#endif
+    }
+    delete platform;
+    platform = 0;
+}
+
+bool QFSFileEngineIterator::hasNext() const
+{
+    if (!platform->done && !platform->dir) {
+        QFSFileEngineIterator *that = const_cast<QFSFileEngineIterator *>(this);
+        if ((that->platform->dir = ::opendir(QFile::encodeName(path()).data())) == 0) {
+            that->platform->done = true;
+        } else {
+            // ### Race condition; we should use fpathconf and dirfd().
+            long maxPathName = ::pathconf(QFile::encodeName(path()).data(), _PC_NAME_MAX);
+            if ((int) maxPathName == -1)
+                maxPathName = FILENAME_MAX;
+            maxPathName += sizeof(dirent) + 1;
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN)
+            if (that->platform->mt_file)
+                delete [] that->platform->mt_file;
+            that->platform->mt_file = (dirent *)new char[maxPathName];
+#endif
+
+            that->advance();
+        }
+    }
+    return !platform->done;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_FSFILEENGINE
diff --git a/src/corelib/io/qfsfileengine_iterator_win.cpp b/src/corelib/io/qfsfileengine_iterator_win.cpp
new file mode 100644
index 0000000000..3212d73ead
--- /dev/null
+++ b/src/corelib/io/qfsfileengine_iterator_win.cpp
@@ -0,0 +1,183 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdebug.h"
+#include "qfsfileengine_iterator_p.h"
+#include "qfsfileengine_p.h"
+#include "qplatformdefs.h"
+
+#include <QtCore/qvariant.h>
+#include <QtCore/qmutex.h>
+#include <private/qmutexpool_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QFSFileEngineIteratorPlatformSpecificData
+{
+public:
+    inline QFSFileEngineIteratorPlatformSpecificData()
+        : uncShareIndex(-1), findFileHandle(INVALID_HANDLE_VALUE),
+          done(false), uncFallback(false)
+    { }
+
+    QFSFileEngineIterator *it;
+
+    QStringList uncShares;
+    int uncShareIndex;
+
+    HANDLE findFileHandle;
+    WIN32_FIND_DATA findData;
+    bool done;
+    bool uncFallback;
+
+    void advance();
+    void saveCurrentFileName();
+};
+
+void QFSFileEngineIteratorPlatformSpecificData::saveCurrentFileName()
+{
+    if (uncFallback) {
+        // Windows share / UNC path
+        it->currentEntry = uncShares.at(uncShareIndex - 1);
+    } else {
+        // Local directory
+        QT_WA({
+            it->currentEntry = QString::fromUtf16((unsigned short *)findData.cFileName);
+        } , {
+            it->currentEntry = QString::fromLocal8Bit((const char *)findData.cFileName);
+        });
+    }
+}
+
+void QFSFileEngineIterator::advance()
+{
+    platform->saveCurrentFileName();
+
+    if (platform->done)
+        return;
+
+    if (platform->uncFallback) {
+        ++platform->uncShareIndex;
+    } else if (platform->findFileHandle != INVALID_HANDLE_VALUE) {
+        QT_WA({
+            if (!FindNextFile(platform->findFileHandle, &platform->findData)) {
+                platform->done = true;        
+                FindClose(platform->findFileHandle);
+            }
+        } , {
+            if (!FindNextFileA(platform->findFileHandle, (WIN32_FIND_DATAA *)&platform->findData)) {
+                platform->done = true;
+                FindClose(platform->findFileHandle);
+            }
+        });
+    }
+}
+
+void QFSFileEngineIterator::newPlatformSpecifics()
+{
+    platform = new QFSFileEngineIteratorPlatformSpecificData;
+    platform->it = this;
+}
+
+void QFSFileEngineIterator::deletePlatformSpecifics()
+{
+    delete platform;
+    platform = 0;
+}
+
+bool QFSFileEngineIterator::hasNext() const
+{
+    if (platform->done)
+        return false;
+    
+    if (platform->uncFallback)
+        return platform->uncShareIndex > 0 && platform->uncShareIndex <= platform->uncShares.size();
+    
+    if (platform->findFileHandle == INVALID_HANDLE_VALUE) {
+        QString path = this->path();
+        // Local directory
+        if (path.endsWith(QLatin1String(".lnk")))
+            path = QFileInfo(path).readLink();
+
+        if (!path.endsWith(QLatin1Char('/')))
+            path.append(QLatin1Char('/'));
+        path.append(QLatin1String("*.*"));
+
+        QT_WA({
+            QString fileName = QFSFileEnginePrivate::longFileName(path);
+            platform->findFileHandle = FindFirstFileW((TCHAR *)fileName.utf16(),
+                                                      &platform->findData);
+        }, {
+            // Cast is safe, since char is at end of WIN32_FIND_DATA
+            platform->findFileHandle = FindFirstFileA(QFSFileEnginePrivate::win95Name(path),
+                                                      (WIN32_FIND_DATAA*)&platform->findData);
+        });
+
+        if (platform->findFileHandle == INVALID_HANDLE_VALUE) {
+            if (path.startsWith(QLatin1String("//"))) {
+                path = this->path();
+                // UNC
+                QStringList parts = QDir::toNativeSeparators(path).split(QLatin1Char('\\'), QString::SkipEmptyParts);
+
+                if (parts.count() == 1 && QFSFileEnginePrivate::uncListSharesOnServer(QLatin1String("\\\\") + parts.at(0),
+                                                                                      &platform->uncShares)) {
+                    if (platform->uncShares.isEmpty()) {
+                        platform->done = true;
+                    } else {
+                        platform->uncShareIndex = 1;
+                    }
+                    platform->uncFallback = true;
+                } else {
+                    platform->done = true;
+                }
+            } else {
+                platform->done = true;        
+            }
+        }
+
+        if (!platform->done && (!platform->uncFallback || !platform->uncShares.isEmpty()))
+            platform->saveCurrentFileName();
+    }
+
+    return !platform->done;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qfsfileengine_p.h b/src/corelib/io/qfsfileengine_p.h
new file mode 100644
index 0000000000..8b6cc534df
--- /dev/null
+++ b/src/corelib/io/qfsfileengine_p.h
@@ -0,0 +1,174 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFSFILEENGINE_P_H
+#define QFSFILEENGINE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qplatformdefs.h"
+#include "QtCore/qfsfileengine.h"
+#include "private/qabstractfileengine_p.h"
+#include <qhash.h>
+
+#ifndef QT_NO_FSFILEENGINE
+
+QT_BEGIN_NAMESPACE
+
+#if defined(Q_OS_WINCE_STD) && _WIN32_WCE < 0x600
+#define Q_USE_DEPRECATED_MAP_API 1
+#endif
+
+class QFSFileEnginePrivate : public QAbstractFileEnginePrivate
+{
+    Q_DECLARE_PUBLIC(QFSFileEngine)
+
+public:
+#ifdef Q_WS_WIN
+    static QByteArray win95Name(const QString &path);
+    static QString longFileName(const QString &path);
+#endif
+    static QString canonicalized(const QString &path);
+
+    QString filePath;
+    QByteArray nativeFilePath;
+    QIODevice::OpenMode openMode;
+
+    void nativeInitFileName();
+    bool nativeOpen(QIODevice::OpenMode openMode);
+    bool openFh(QIODevice::OpenMode flags, FILE *fh);
+    bool openFd(QIODevice::OpenMode flags, int fd);
+    bool nativeClose();
+    bool closeFdFh();
+    bool nativeFlush();
+    bool flushFh();
+    qint64 nativeSize() const;
+    qint64 sizeFdFh() const;
+    qint64 nativePos() const;
+    qint64 posFdFh() const;
+    bool nativeSeek(qint64);
+    bool seekFdFh(qint64);
+    qint64 nativeRead(char *data, qint64 maxlen);
+    qint64 readFdFh(char *data, qint64 maxlen);
+    qint64 nativeReadLine(char *data, qint64 maxlen);
+    qint64 readLineFdFh(char *data, qint64 maxlen);
+    qint64 nativeWrite(const char *data, qint64 len);
+    qint64 writeFdFh(const char *data, qint64 len);
+    int nativeHandle() const;
+    bool nativeIsSequential() const;
+    bool isSequentialFdFh() const;
+
+    uchar *map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags);
+    bool unmap(uchar *ptr);
+
+    FILE *fh;
+#ifdef Q_WS_WIN
+    HANDLE fileHandle;
+    QHash<uchar *, QPair<int /*offset*/, HANDLE /*handle*/> > maps;
+    mutable int cachedFd;
+    mutable DWORD fileAttrib;
+#else
+    QHash<uchar *, QPair<int /*offset*/, int /*handle|len*/> > maps;
+    mutable QT_STATBUF st;
+#endif
+    int fd;
+
+#ifdef Q_USE_DEPRECATED_MAP_API
+    void mapHandleClose();
+    HANDLE fileMapHandle;
+#endif
+
+    enum LastIOCommand
+    {
+        IOFlushCommand,
+        IOReadCommand,
+        IOWriteCommand
+    };
+    LastIOCommand  lastIOCommand;
+    bool lastFlushFailed;
+    bool closeFileHandle;
+
+    mutable uint is_sequential : 2;
+    mutable uint could_stat : 1;
+    mutable uint tried_stat : 1;
+#ifdef Q_OS_UNIX
+    mutable uint need_lstat : 1;
+    mutable uint is_link : 1;
+#endif
+    bool doStat() const;
+    bool isSymlink() const;
+
+#if defined(Q_OS_WIN32)
+    int sysOpen(const QString &, int flags);
+#endif
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    static void resolveLibs();
+    static bool resolveUNCLibs_NT();
+    static bool resolveUNCLibs_9x();
+    static bool uncListSharesOnServer(const QString &server, QStringList *list);
+#endif
+
+protected:
+    QFSFileEnginePrivate();
+
+    void init();
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    QAbstractFileEngine::FileFlags getPermissions() const;
+    QString getLink() const;
+#endif
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_FSFILEENGINE
+
+#endif // QFSFILEENGINE_P_H
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
new file mode 100644
index 0000000000..0d88b06ff7
--- /dev/null
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -0,0 +1,1021 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qabstractfileengine.h"
+#include "private/qfsfileengine_p.h"
+
+#ifndef QT_NO_FSFILEENGINE
+
+#ifndef QT_NO_REGEXP
+# include "qregexp.h"
+#endif
+#include "qfile.h"
+#include "qdir.h"
+#include "qdatetime.h"
+#include "qdebug.h"
+#include "qvarlengtharray.h"
+
+#include <sys/mman.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <errno.h>
+#if !defined(QWS) && defined(Q_OS_MAC)
+# include <private/qcore_mac_p.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \internal
+
+    Returns the stdlib open string corresponding to a QIODevice::OpenMode.
+*/
+static QByteArray openModeToFopenMode(QIODevice::OpenMode flags, const QString &fileName = QString())
+{
+    QByteArray mode;
+    if ((flags & QIODevice::ReadOnly) && !(flags & QIODevice::Truncate)) {
+        mode = "rb";
+        if (flags & QIODevice::WriteOnly) {
+            if (!fileName.isEmpty() &&QFile::exists(fileName))
+                mode = "rb+";
+            else
+                mode = "wb+";
+        }
+    } else if (flags & QIODevice::WriteOnly) {
+        mode = "wb";
+        if (flags & QIODevice::ReadOnly)
+            mode += "+";
+    }
+    if (flags & QIODevice::Append) {
+        mode = "ab";
+        if (flags & QIODevice::ReadOnly)
+            mode += "+";
+    }
+    return mode;
+}
+
+/*!
+    \internal
+
+    Returns the stdio open flags corresponding to a QIODevice::OpenMode.
+*/
+static int openModeToOpenFlags(QIODevice::OpenMode mode)
+{
+    int oflags = QT_OPEN_RDONLY;
+#ifdef QT_LARGEFILE_SUPPORT
+    oflags |= QT_OPEN_LARGEFILE;
+#endif
+
+    if ((mode & QFile::ReadWrite) == QFile::ReadWrite) {
+        oflags = QT_OPEN_RDWR | QT_OPEN_CREAT;
+    } else if (mode & QFile::WriteOnly) {
+        oflags = QT_OPEN_WRONLY | QT_OPEN_CREAT;
+    }
+
+    if (mode & QFile::Append) {
+        oflags |= QT_OPEN_APPEND;
+    } else if (mode & QFile::WriteOnly) {
+        if ((mode & QFile::Truncate) || !(mode & QFile::ReadOnly))
+            oflags |= QT_OPEN_TRUNC;
+    }
+
+#ifdef O_CLOEXEC
+    // supported on Linux >= 2.6.23; avoids one extra system call
+    // and avoids a race condition: if another thread forks, we could
+    // end up leaking a file descriptor...
+    oflags |= O_CLOEXEC;
+#endif
+    return oflags;
+}
+
+/*!
+    \internal
+
+    Sets the file descriptor to close on exec. That is, the file
+    descriptor is not inherited by child processes.
+*/
+static bool setCloseOnExec(int fd)
+{
+    return fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) != -1;
+}
+
+/*!
+    \internal
+*/
+void QFSFileEnginePrivate::nativeInitFileName()
+{
+    nativeFilePath = QFile::encodeName(filePath);
+}
+
+/*!
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeOpen(QIODevice::OpenMode openMode)
+{
+    Q_Q(QFSFileEngine);
+
+    if (openMode & QIODevice::Unbuffered) {
+        int flags = openModeToOpenFlags(openMode);
+
+        // Try to open the file in unbuffered mode.
+        do {
+            fd = QT_OPEN(nativeFilePath.constData(), flags, 0666);
+        } while (fd == -1 && errno == EINTR);
+
+        // On failure, return and report the error.
+        if (fd == -1) {
+            q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError,
+                        qt_error_string(errno));
+            return false;
+        }
+
+        QT_STATBUF statBuf;
+        if (QT_FSTAT(fd, &statBuf) != -1) {
+            if ((statBuf.st_mode & S_IFMT) == S_IFDIR) {
+                q->setError(QFile::OpenError, QLatin1String("file to open is a directory"));
+                QT_CLOSE(fd);
+                return false;
+            }
+        }
+
+#ifndef O_CLOEXEC
+        // not needed on Linux >= 2.6.23
+        setCloseOnExec(fd);     // ignore failure
+#endif
+
+        // Seek to the end when in Append mode.
+        if (flags & QFile::Append) {
+            int ret;
+            do {
+                ret = QT_LSEEK(fd, 0, SEEK_END);
+            } while (ret == -1 && errno == EINTR);
+
+            if (ret == -1) {
+                q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError,
+                            qt_error_string(int(errno)));
+                return false;
+            }
+        }
+
+        fh = 0;
+    } else {
+        QByteArray fopenMode = openModeToFopenMode(openMode, filePath);
+
+        // Try to open the file in buffered mode.
+        do {
+            fh = QT_FOPEN(nativeFilePath.constData(), fopenMode.constData());
+        } while (!fh && errno == EINTR);
+
+        // On failure, return and report the error.
+        if (!fh) {
+            q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError,
+                        qt_error_string(int(errno)));
+            return false;
+        }
+
+        QT_STATBUF statBuf;
+        if (QT_FSTAT(fileno(fh), &statBuf) != -1) {
+            if ((statBuf.st_mode & S_IFMT) == S_IFDIR) {
+                q->setError(QFile::OpenError, QLatin1String("file to open is a directory"));
+                fclose(fh);
+                return false;
+            }
+        }
+
+        setCloseOnExec(fileno(fh)); // ignore failure
+
+        // Seek to the end when in Append mode.
+        if (openMode & QIODevice::Append) {
+            int ret;
+            do {
+                ret = QT_FSEEK(fh, 0, SEEK_END);
+            } while (ret == -1 && errno == EINTR);
+
+            if (ret == -1) {
+                q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError,
+                            qt_error_string(int(errno)));
+                return false;
+            }
+        }
+
+        fd = -1;
+    }
+
+    closeFileHandle = true;
+    return true;
+}
+
+/*!
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeClose()
+{
+    return closeFdFh();
+}
+
+/*!
+    \internal
+
+*/
+bool QFSFileEnginePrivate::nativeFlush()
+{
+    return fh ? flushFh() : fd != -1;
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativeRead(char *data, qint64 len)
+{
+    Q_Q(QFSFileEngine);
+
+    if (fh && nativeIsSequential()) {
+        size_t readBytes = 0;
+        int oldFlags = fcntl(QT_FILENO(fh), F_GETFL);
+        for (int i = 0; i < 2; ++i) {
+            // Unix: Make the underlying file descriptor non-blocking
+            int v = 1;
+            if ((oldFlags & O_NONBLOCK) == 0)
+                fcntl(QT_FILENO(fh), F_SETFL, oldFlags | O_NONBLOCK, &v, sizeof(v));
+
+            // Cross platform stdlib read
+            size_t read = 0;
+            do {
+                read = fread(data + readBytes, 1, size_t(len - readBytes), fh);
+            } while (read == 0 && !feof(fh) && errno == EINTR);
+            if (read > 0) {
+                readBytes += read;
+                break;
+            } else {
+                if (readBytes)
+                    break;
+                readBytes = read;
+            }
+
+            // Unix: Restore the blocking state of the underlying socket
+            if ((oldFlags & O_NONBLOCK) == 0) {
+                int v = 1;
+                fcntl(QT_FILENO(fh), F_SETFL, oldFlags, &v, sizeof(v));
+                if (readBytes == 0) {
+                    int readByte = 0;
+                    do {
+                        readByte = fgetc(fh);
+                    } while (readByte == -1 && errno == EINTR);
+                    if (readByte != -1) {
+                        *data = uchar(readByte);
+                        readBytes += 1;
+                    } else {
+                        break;
+                    }
+                }
+            }
+        }
+        // Unix: Restore the blocking state of the underlying socket
+        if ((oldFlags & O_NONBLOCK) == 0) {
+            int v = 1;
+            fcntl(QT_FILENO(fh), F_SETFL, oldFlags, &v, sizeof(v));
+        }
+        if (readBytes == 0 && !feof(fh)) {
+            // if we didn't read anything and we're not at EOF, it must be an error
+            q->setError(QFile::ReadError, qt_error_string(int(errno)));
+            return -1;
+        }
+        return readBytes;
+    }
+
+    return readFdFh(data, len);
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativeReadLine(char *data, qint64 maxlen)
+{
+    return readLineFdFh(data, maxlen);
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativeWrite(const char *data, qint64 len)
+{
+    return writeFdFh(data, len);
+}
+
+/*!
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativePos() const
+{
+    return posFdFh();
+}
+
+/*!
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeSeek(qint64 pos)
+{
+    return seekFdFh(pos);
+}
+
+/*!
+    \internal
+*/
+int QFSFileEnginePrivate::nativeHandle() const
+{
+    return fh ? fileno(fh) : fd;
+}
+
+/*!
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeIsSequential() const
+{
+    return isSequentialFdFh();
+}
+
+bool QFSFileEngine::remove()
+{
+    Q_D(QFSFileEngine);
+    return unlink(d->nativeFilePath.constData()) == 0;
+}
+
+bool QFSFileEngine::copy(const QString &)
+{
+    // ### Add copy code for Unix here
+    return false;
+}
+
+bool QFSFileEngine::rename(const QString &newName)
+{
+    Q_D(QFSFileEngine);
+    return ::rename(d->nativeFilePath.constData(), QFile::encodeName(newName).constData()) == 0;
+}
+
+bool QFSFileEngine::link(const QString &newName)
+{
+    Q_D(QFSFileEngine);
+    return ::symlink(d->nativeFilePath.constData(), QFile::encodeName(newName).constData()) == 0;
+}
+
+qint64 QFSFileEnginePrivate::nativeSize() const
+{
+    return sizeFdFh();
+}
+
+bool QFSFileEngine::mkdir(const QString &name, bool createParentDirectories) const
+{
+    QString dirName = name;
+    if (createParentDirectories) {
+        dirName = QDir::cleanPath(dirName);
+        for(int oldslash = -1, slash=0; slash != -1; oldslash = slash) {
+            slash = dirName.indexOf(QDir::separator(), oldslash+1);
+            if (slash == -1) {
+                if (oldslash == dirName.length())
+                    break;
+                slash = dirName.length();
+            }
+            if (slash) {
+                QByteArray chunk = QFile::encodeName(dirName.left(slash));
+                QT_STATBUF st;
+                if (QT_STAT(chunk, &st) != -1) {
+                    if ((st.st_mode & S_IFMT) != S_IFDIR)
+                        return false;
+                } else if (::mkdir(chunk, 0777) != 0) {
+                        return false;
+                }
+            }
+        }
+        return true;
+    }
+#if defined(Q_OS_DARWIN)  // Mac X doesn't support trailing /'s
+    if (dirName[dirName.length() - 1] == QLatin1Char('/'))
+        dirName = dirName.left(dirName.length() - 1);
+#endif
+    return (::mkdir(QFile::encodeName(dirName), 0777) == 0);
+}
+
+bool QFSFileEngine::rmdir(const QString &name, bool recurseParentDirectories) const
+{
+    QString dirName = name;
+    if (recurseParentDirectories) {
+        dirName = QDir::cleanPath(dirName);
+        for(int oldslash = 0, slash=dirName.length(); slash > 0; oldslash = slash) {
+            QByteArray chunk = QFile::encodeName(dirName.left(slash));
+            QT_STATBUF st;
+            if (QT_STAT(chunk, &st) != -1) {
+                if ((st.st_mode & S_IFMT) != S_IFDIR)
+                    return false;
+                if (::rmdir(chunk) != 0)
+                    return oldslash != 0;
+            } else {
+                return false;
+            }
+            slash = dirName.lastIndexOf(QDir::separator(), oldslash-1);
+        }
+        return true;
+    }
+    return ::rmdir(QFile::encodeName(dirName)) == 0;
+}
+
+bool QFSFileEngine::caseSensitive() const
+{
+    return true;
+}
+
+bool QFSFileEngine::setCurrentPath(const QString &path)
+{
+    int r;
+    r = ::chdir(QFile::encodeName(path));
+    return r >= 0;
+}
+
+QString QFSFileEngine::currentPath(const QString &)
+{
+    QString result;
+    QT_STATBUF st;
+    if (QT_STAT(".", &st) == 0) {
+#if defined(__GLIBC__) && !defined(PATH_MAX)
+        char *currentName = ::get_current_dir_name();
+        if (currentName) {
+            result = QFile::decodeName(QByteArray(currentName));
+            ::free(currentName);
+        }
+#else
+        char currentName[PATH_MAX+1];
+        if (::getcwd(currentName, PATH_MAX))
+            result = QFile::decodeName(QByteArray(currentName));
+#endif
+#if defined(QT_DEBUG)
+        if (result.isNull())
+            qWarning("QDir::currentPath: getcwd() failed");
+#endif
+    } else {
+#if defined(QT_DEBUG)
+        qWarning("QDir::currentPath: stat(\".\") failed");
+#endif
+    }
+    return result;
+}
+
+QString QFSFileEngine::homePath()
+{
+    QString home = QFile::decodeName(qgetenv("HOME"));
+    if (home.isNull())
+        home = rootPath();
+    return home;
+}
+
+QString QFSFileEngine::rootPath()
+{
+    return QString::fromLatin1("/");
+}
+
+QString QFSFileEngine::tempPath()
+{
+    QString temp = QFile::decodeName(qgetenv("TMPDIR"));
+    if (temp.isEmpty())
+        temp = QString::fromLatin1("/tmp/");
+    return temp;
+}
+
+QFileInfoList QFSFileEngine::drives()
+{
+    QFileInfoList ret;
+    ret.append(rootPath());
+    return ret;
+}
+
+bool QFSFileEnginePrivate::doStat() const
+{
+    if (tried_stat == 0) {
+        QFSFileEnginePrivate *that = const_cast<QFSFileEnginePrivate*>(this);
+        if (fh && nativeFilePath.isEmpty()) {
+            // ### actually covers two cases: d->fh and when the file is not open
+            that->could_stat = (QT_FSTAT(fileno(fh), &st) == 0);
+        } else if (fd == -1) {
+            // ### actually covers two cases: d->fh and when the file is not open
+            that->could_stat = (QT_STAT(nativeFilePath.constData(), &st) == 0);
+        } else {
+            that->could_stat = (QT_FSTAT(fd, &st) == 0);
+        }
+	that->tried_stat = 1;
+    }
+    return could_stat;
+}
+
+bool QFSFileEnginePrivate::isSymlink() const
+{
+    if (need_lstat) {
+        QFSFileEnginePrivate *that = const_cast<QFSFileEnginePrivate *>(this);
+        that->need_lstat = false;
+        QT_STATBUF st;          // don't clobber our main one
+        that->is_link = (QT_LSTAT(nativeFilePath.constData(), &st) == 0) ? S_ISLNK(st.st_mode) : false;
+    }
+    return is_link;
+}
+
+#if !defined(QWS) && defined(Q_OS_MAC)
+static bool _q_isMacHidden(const QString &path)
+{
+    OSErr err = noErr;
+
+    FSRef fsRef;
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
+        err = FSPathMakeRefWithOptions(reinterpret_cast<const UInt8 *>(QFile::encodeName(QDir::cleanPath(path)).constData()),
+                                        kFSPathMakeRefDoNotFollowLeafSymlink, &fsRef, 0);
+    } else
+#endif
+    {
+        QFileInfo fi(path);
+        FSRef parentRef;
+        err = FSPathMakeRef(reinterpret_cast<const UInt8 *>(fi.absoluteDir().absolutePath().toUtf8().constData()),
+                            &parentRef, 0);
+        if (err == noErr) {
+            QString fileName = fi.fileName();
+            err = FSMakeFSRefUnicode(&parentRef, fileName.length(),
+                                     reinterpret_cast<const UniChar *>(fileName.unicode()),
+                                     kTextEncodingUnknown, &fsRef);
+        }
+    }
+    if (err != noErr)
+        return false;
+
+    FSCatalogInfo catInfo;
+    err = FSGetCatalogInfo(&fsRef, kFSCatInfoFinderInfo, &catInfo, NULL, NULL, NULL);
+    if (err != noErr)
+        return false;
+
+    FileInfo * const fileInfo = reinterpret_cast<FileInfo*>(&catInfo.finderInfo);
+    bool result = (fileInfo->finderFlags & kIsInvisible);
+    return result;
+}
+#endif
+
+/*!
+    \reimp
+*/
+QAbstractFileEngine::FileFlags QFSFileEngine::fileFlags(FileFlags type) const
+{
+    Q_D(const QFSFileEngine);
+    // Force a stat, so that we're guaranteed to get up-to-date results
+    if (type & QAbstractFileEngine::FileFlag(QAbstractFileEngine::Refresh)) {
+        d->tried_stat = 0;
+        d->need_lstat = 1;
+    }
+
+    QAbstractFileEngine::FileFlags ret = 0;
+    bool exists = d->doStat();
+    if (!exists && !d->isSymlink())
+        return ret;
+
+    if (exists && (type & PermsMask)) {
+        if (d->st.st_mode & S_IRUSR)
+            ret |= ReadOwnerPerm;
+        if (d->st.st_mode & S_IWUSR)
+            ret |= WriteOwnerPerm;
+        if (d->st.st_mode & S_IXUSR)
+            ret |= ExeOwnerPerm;
+        if (d->st.st_mode & S_IRUSR)
+            ret |= ReadUserPerm;
+        if (d->st.st_mode & S_IWUSR)
+            ret |= WriteUserPerm;
+        if (d->st.st_mode & S_IXUSR)
+            ret |= ExeUserPerm;
+        if (d->st.st_mode & S_IRGRP)
+            ret |= ReadGroupPerm;
+        if (d->st.st_mode & S_IWGRP)
+            ret |= WriteGroupPerm;
+        if (d->st.st_mode & S_IXGRP)
+            ret |= ExeGroupPerm;
+        if (d->st.st_mode & S_IROTH)
+            ret |= ReadOtherPerm;
+        if (d->st.st_mode & S_IWOTH)
+            ret |= WriteOtherPerm;
+        if (d->st.st_mode & S_IXOTH)
+            ret |= ExeOtherPerm;
+    }
+    if (type & TypesMask) {
+#if !defined(QWS) && defined(Q_OS_MAC)
+        bool foundAlias = false;
+        {
+            FSRef fref;
+            if (FSPathMakeRef((const UInt8 *)QFile::encodeName(QDir::cleanPath(d->filePath)).data(),
+                             &fref, NULL) == noErr) {
+                Boolean isAlias, isFolder;
+                if (FSIsAliasFile(&fref, &isAlias, &isFolder) == noErr && isAlias) {
+                    foundAlias = true;
+                    ret |= LinkType;
+                }
+            }
+        }
+        if (!foundAlias)
+#endif
+        {
+            if ((type & LinkType) && d->isSymlink())
+                ret |= LinkType;
+            if (exists && (d->st.st_mode & S_IFMT) == S_IFREG)
+                ret |= FileType;
+            else if (exists && (d->st.st_mode & S_IFMT) == S_IFDIR)
+                ret |= DirectoryType;
+#if !defined(QWS) && defined(Q_OS_MAC)
+            if((ret & DirectoryType) && (type & BundleType)) {
+                QCFType<CFURLRef> url = CFURLCreateWithFileSystemPath(0, QCFString(d->filePath),
+                                                                      kCFURLPOSIXPathStyle, true);
+                UInt32 type, creator;
+                if(CFBundleGetPackageInfoInDirectory(url, &type, &creator))
+                    ret |= BundleType;
+            }
+#endif
+        }
+    }
+    if (type & FlagsMask) {
+        ret |= LocalDiskFlag;
+        if (exists)
+            ret |= ExistsFlag;
+        if (fileName(BaseName)[0] == QLatin1Char('.')
+#if !defined(QWS) && defined(Q_OS_MAC)
+            || _q_isMacHidden(d->filePath)
+#endif
+        )
+            ret |= HiddenFlag;
+        if (d->filePath == QLatin1String("/"))
+            ret |= RootFlag;
+    }
+    return ret;
+}
+
+QString QFSFileEngine::fileName(FileName file) const
+{
+    Q_D(const QFSFileEngine);
+    if (file == BundleName) {
+#if !defined(QWS) && defined(Q_OS_MAC)
+        QCFType<CFURLRef> url = CFURLCreateWithFileSystemPath(0, QCFString(d->filePath),
+                                                              kCFURLPOSIXPathStyle, true);
+        if(CFDictionaryRef dict = CFBundleCopyInfoDictionaryForURL(url)) {
+            if(CFTypeRef name = (CFTypeRef)CFDictionaryGetValue(dict, kCFBundleNameKey)) {
+                if(CFGetTypeID(name) == CFStringGetTypeID())
+                    return QCFString::toQString((CFStringRef)name);
+            }
+        }
+#endif
+        return QString();
+    } else if (file == BaseName) {
+        int slash = d->filePath.lastIndexOf(QLatin1Char('/'));
+        if (slash != -1)
+            return d->filePath.mid(slash + 1);
+    } else if (file == PathName) {
+        int slash = d->filePath.lastIndexOf(QLatin1Char('/'));
+        if (slash == -1)
+            return QLatin1String(".");
+        else if (!slash)
+            return QLatin1String("/");
+        return d->filePath.left(slash);
+    } else if (file == AbsoluteName || file == AbsolutePathName) {
+        QString ret;
+        if (d->filePath.isEmpty() || !d->filePath.startsWith(QLatin1Char('/')))
+            ret = QDir::currentPath();
+        if (!d->filePath.isEmpty() && d->filePath != QLatin1String(".")) {
+            if (!ret.isEmpty() && !ret.endsWith(QLatin1Char('/')))
+                ret += QLatin1Char('/');
+            ret += d->filePath;
+        }
+        if (ret == QLatin1String("/"))
+            return ret;
+        bool isDir = ret.endsWith(QLatin1Char('/'));
+        ret = QDir::cleanPath(ret);
+        if (isDir)
+            ret += QLatin1String("/");
+        if (file == AbsolutePathName) {
+            int slash = ret.lastIndexOf(QLatin1Char('/'));
+            if (slash == -1)
+                return QDir::currentPath();
+            else if (!slash)
+                return QLatin1String("/");
+            return ret.left(slash);
+        }
+        return ret;
+    } else if (file == CanonicalName || file == CanonicalPathName) {
+        if (!(fileFlags(ExistsFlag) & ExistsFlag))
+            return QString();
+
+        QString ret = QFSFileEnginePrivate::canonicalized(fileName(AbsoluteName));
+        if (!ret.isEmpty() && file == CanonicalPathName) {
+            int slash = ret.lastIndexOf(QLatin1Char('/'));
+            if (slash == -1)
+                ret = QDir::currentPath();
+            else if (slash == 0)
+                ret = QLatin1String("/");
+            ret = ret.left(slash);
+        }
+        return ret;
+    } else if (file == LinkName) {
+        if (d->isSymlink()) {
+#if defined(__GLIBC__) && !defined(PATH_MAX)
+#define PATH_CHUNK_SIZE 256
+            char *s = 0;
+            int len = -1;
+            int size = PATH_CHUNK_SIZE;
+
+            while (1) {
+                s = (char *) ::realloc(s, size);
+                if (s == 0) {
+                    len = -1;
+                    break;
+                }
+                len = ::readlink(d->nativeFilePath.constData(), s, size);
+                if (len < 0) {
+                    ::free(s);
+                    break;
+                }
+                if (len < size) {
+                    break;
+                }
+                size *= 2;
+            }
+#else
+            char s[PATH_MAX+1];
+            int len = readlink(d->nativeFilePath.constData(), s, PATH_MAX);
+#endif
+            if (len > 0) {
+                QString ret;
+                if (S_ISDIR(d->st.st_mode) && s[0] != '/') {
+                    QDir parent(d->filePath);
+                    parent.cdUp();
+                    ret = parent.path();
+                    if (!ret.isEmpty() && !ret.endsWith(QLatin1Char('/')))
+                        ret += QLatin1Char('/');
+                }
+                s[len] = '\0';
+                ret += QFile::decodeName(QByteArray(s));
+#if defined(__GLIBC__) && !defined(PATH_MAX)
+		::free(s);
+#endif
+
+                if (!ret.startsWith(QLatin1Char('/'))) {
+                    if (d->filePath.startsWith(QLatin1Char('/'))) {
+                        ret.prepend(d->filePath.left(d->filePath.lastIndexOf(QLatin1Char('/')))
+                                    + QLatin1Char('/'));
+                    } else {
+                        ret.prepend(QDir::currentPath() + QLatin1Char('/'));
+                    }
+                }
+                ret = QDir::cleanPath(ret);
+                if (ret.size() > 1 && ret.endsWith(QLatin1Char('/')))
+                    ret.chop(1);
+                return ret;
+            }
+        }
+#if !defined(QWS) && defined(Q_OS_MAC)
+        {
+            FSRef fref;
+            if (FSPathMakeRef((const UInt8 *)QFile::encodeName(QDir::cleanPath(d->filePath)).data(), &fref, 0) == noErr) {
+                Boolean isAlias, isFolder;
+                if (FSResolveAliasFile(&fref, true, &isFolder, &isAlias) == noErr && isAlias) {
+                    AliasHandle alias;
+                    if (FSNewAlias(0, &fref, &alias) == noErr && alias) {
+                        CFStringRef cfstr;
+                        if (FSCopyAliasInfo(alias, 0, 0, &cfstr, 0, 0) == noErr)
+                            return QCFString::toQString(cfstr);
+                    }
+                }
+            }
+        }
+#endif
+        return QString();
+    }
+    return d->filePath;
+}
+
+bool QFSFileEngine::isRelativePath() const
+{
+    Q_D(const QFSFileEngine);
+    int len = d->filePath.length();
+    if (len == 0)
+        return true;
+    return d->filePath[0] != QLatin1Char('/');
+}
+
+uint QFSFileEngine::ownerId(FileOwner own) const
+{
+    Q_D(const QFSFileEngine);
+    static const uint nobodyID = (uint) -2;
+    if (d->doStat()) {
+        if (own == OwnerUser)
+            return d->st.st_uid;
+        else
+            return d->st.st_gid;
+    }
+    return nobodyID;
+}
+
+QString QFSFileEngine::owner(FileOwner own) const
+{
+#if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_OPENBSD)
+    int size_max = sysconf(_SC_GETPW_R_SIZE_MAX);
+    if (size_max == -1)
+        size_max = 1024;
+    QVarLengthArray<char, 1024> buf(size_max);
+#endif
+
+    if (own == OwnerUser) {
+        struct passwd *pw = 0;
+#if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_OPENBSD)
+        struct passwd entry;
+        getpwuid_r(ownerId(own), &entry, buf.data(), buf.size(), &pw);
+#else
+        pw = getpwuid(ownerId(own));
+#endif
+        if (pw)
+            return QFile::decodeName(QByteArray(pw->pw_name));
+    } else if (own == OwnerGroup) {
+        struct group *gr = 0;
+#if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_OPENBSD)
+        size_max = sysconf(_SC_GETGR_R_SIZE_MAX);
+        if (size_max == -1)
+            size_max = 1024;
+        buf.resize(size_max);
+        struct group entry;
+        // Some large systems have more members than the POSIX max size
+        // Loop over by doubling the buffer size (upper limit 250k)
+        for (unsigned size = size_max; size < 256000; size += size)
+        {
+            buf.resize(size);
+            // ERANGE indicates that the buffer was too small
+            if (!getgrgid_r(ownerId(own), &entry, buf.data(), buf.size(), &gr)
+                || errno != ERANGE)
+                break;
+        }
+
+#else
+        gr = getgrgid(ownerId(own));
+#endif
+        if (gr)
+            return QFile::decodeName(QByteArray(gr->gr_name));
+    }
+    return QString();
+}
+
+bool QFSFileEngine::setPermissions(uint perms)
+{
+    Q_D(QFSFileEngine);
+    mode_t mode = 0;
+    if (perms & ReadOwnerPerm)
+        mode |= S_IRUSR;
+    if (perms & WriteOwnerPerm)
+        mode |= S_IWUSR;
+    if (perms & ExeOwnerPerm)
+        mode |= S_IXUSR;
+    if (perms & ReadUserPerm)
+        mode |= S_IRUSR;
+    if (perms & WriteUserPerm)
+        mode |= S_IWUSR;
+    if (perms & ExeUserPerm)
+        mode |= S_IXUSR;
+    if (perms & ReadGroupPerm)
+        mode |= S_IRGRP;
+    if (perms & WriteGroupPerm)
+        mode |= S_IWGRP;
+    if (perms & ExeGroupPerm)
+        mode |= S_IXGRP;
+    if (perms & ReadOtherPerm)
+        mode |= S_IROTH;
+    if (perms & WriteOtherPerm)
+        mode |= S_IWOTH;
+    if (perms & ExeOtherPerm)
+        mode |= S_IXOTH;
+    if (d->fd != -1)
+        return !fchmod(d->fd, mode);
+    return !::chmod(d->nativeFilePath.constData(), mode);
+}
+
+bool QFSFileEngine::setSize(qint64 size)
+{
+    Q_D(QFSFileEngine);
+    if (d->fd != -1)
+        return !QT_FTRUNCATE(d->fd, size);
+    return !QT_TRUNCATE(d->nativeFilePath.constData(), size);
+}
+
+QDateTime QFSFileEngine::fileTime(FileTime time) const
+{
+    Q_D(const QFSFileEngine);
+    QDateTime ret;
+    if (d->doStat()) {
+        if (time == CreationTime)
+            ret.setTime_t(d->st.st_ctime ? d->st.st_ctime : d->st.st_mtime);
+        else if (time == ModificationTime)
+            ret.setTime_t(d->st.st_mtime);
+        else if (time == AccessTime)
+            ret.setTime_t(d->st.st_atime);
+    }
+    return ret;
+}
+
+uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags)
+{
+    Q_Q(QFSFileEngine);
+    Q_UNUSED(flags);
+    if (offset < 0) {
+        q->setError(QFile::UnspecifiedError, qt_error_string(int(EINVAL)));
+        return 0;
+    }
+    if (openMode == QIODevice::NotOpen) {
+        q->setError(QFile::PermissionsError, qt_error_string(int(EACCES)));
+        return 0;
+    }
+    int access = 0;
+    if (openMode & QIODevice::ReadOnly) access |= PROT_READ;
+    if (openMode & QIODevice::WriteOnly) access |= PROT_WRITE;
+
+    int pagesSize = getpagesize();
+    int realOffset = offset / pagesSize;
+    int extra = offset % pagesSize;
+
+    void *mapAddress = mmap((void*)0, (size_t)size + extra,
+                   access, MAP_SHARED, nativeHandle(), realOffset * pagesSize);
+    if (MAP_FAILED != mapAddress) {
+        uchar *address = extra + static_cast<uchar*>(mapAddress);
+        maps[address] = QPair<int,int>(extra, size);
+        return address;
+    }
+
+    switch(errno) {
+    case EBADF:
+        q->setError(QFile::PermissionsError, qt_error_string(int(EACCES)));
+        break;
+    case ENFILE:
+    case ENOMEM:
+        q->setError(QFile::ResourceError, qt_error_string(int(errno)));
+        break;
+    case EINVAL:
+        // size are out of bounds
+    default:
+        q->setError(QFile::UnspecifiedError, qt_error_string(int(errno)));
+        break;
+    }
+    return 0;
+}
+
+bool QFSFileEnginePrivate::unmap(uchar *ptr)
+{
+    Q_Q(QFSFileEngine);
+    if (!maps.contains(ptr)) {
+        q->setError(QFile::PermissionsError, qt_error_string(EACCES));
+        return false;
+    }
+
+    uchar *start = ptr - maps[ptr].first;
+    int len = maps[ptr].second;
+    if (-1 == munmap(start, len)) {
+        q->setError(QFile::UnspecifiedError, qt_error_string(errno));
+        return false;
+    }
+    maps.remove(ptr);
+    return true;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_FSFILEENGINE
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp
new file mode 100644
index 0000000000..522be20792
--- /dev/null
+++ b/src/corelib/io/qfsfileengine_win.cpp
@@ -0,0 +1,2242 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#define _POSIX_
+#include "qplatformdefs.h"
+#include "qabstractfileengine.h"
+#include "private/qfsfileengine_p.h"
+#include <qdebug.h>
+
+#include "qfile.h"
+#include "qdir.h"
+#include "qtemporaryfile.h"
+#ifndef QT_NO_REGEXP
+# include "qregexp.h"
+#endif
+#include "private/qmutexpool_p.h"
+#include "qvarlengtharray.h"
+#include "qdatetime.h"
+#include "qt_windows.h"
+
+#if !defined(Q_OS_WINCE)
+#  include <sys/types.h>
+#  include <direct.h>
+#else
+#  include <types.h>
+#endif
+#include <objbase.h>
+#include <shlobj.h>
+#include <initguid.h>
+#include <accctrl.h>
+#include <ctype.h>
+#include <limits.h>
+#define SECURITY_WIN32
+#ifdef Q_CC_MINGW
+// A workaround for a certain version of MinGW, the define UNICODE_STRING.
+#include <subauth.h>
+#endif
+#include <security.h>
+
+#ifndef _INTPTR_T_DEFINED
+#ifdef  _WIN64
+typedef __int64             intptr_t;
+#else
+#ifdef _W64
+typedef _W64 int            intptr_t;
+#else
+typedef INT_PTR intptr_t;
+#endif
+#endif
+#define _INTPTR_T_DEFINED
+#endif
+
+#ifndef INVALID_FILE_ATTRIBUTES
+#  define INVALID_FILE_ATTRIBUTES (DWORD (-1))
+#endif
+
+QT_BEGIN_NAMESPACE
+
+static QString readLink(const QString &link);
+
+Q_CORE_EXPORT int qt_ntfs_permission_lookup = 0;
+
+#if defined(Q_OS_WINCE)
+static QString qfsPrivateCurrentDir = QLatin1String("");
+// As none of the functions we try to resolve do exist on Windows CE
+// we use QT_NO_LIBRARY to shorten everything up a little bit.
+#define QT_NO_LIBRARY 1
+#endif
+
+#if !defined(QT_NO_LIBRARY)
+QT_BEGIN_INCLUDE_NAMESPACE
+typedef DWORD (WINAPI *PtrGetNamedSecurityInfoW)(LPWSTR, SE_OBJECT_TYPE, SECURITY_INFORMATION, PSID*, PSID*, PACL*, PACL*, PSECURITY_DESCRIPTOR*);
+static PtrGetNamedSecurityInfoW ptrGetNamedSecurityInfoW = 0;
+typedef DECLSPEC_IMPORT BOOL (WINAPI *PtrLookupAccountSidW)(LPCWSTR, PSID, LPWSTR, LPDWORD, LPWSTR, LPDWORD, PSID_NAME_USE);
+static PtrLookupAccountSidW ptrLookupAccountSidW = 0;
+typedef DECLSPEC_IMPORT BOOL (WINAPI *PtrAllocateAndInitializeSid)(PSID_IDENTIFIER_AUTHORITY, BYTE, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, PSID*);
+static PtrAllocateAndInitializeSid ptrAllocateAndInitializeSid = 0;
+typedef VOID (WINAPI *PtrBuildTrusteeWithSidW)(PTRUSTEE_W, PSID);
+static PtrBuildTrusteeWithSidW ptrBuildTrusteeWithSidW = 0;
+typedef VOID (WINAPI *PtrBuildTrusteeWithNameW)(PTRUSTEE_W, unsigned short*);
+static PtrBuildTrusteeWithNameW ptrBuildTrusteeWithNameW = 0;
+typedef DWORD (WINAPI *PtrGetEffectiveRightsFromAclW)(PACL, PTRUSTEE_W, OUT PACCESS_MASK);
+static PtrGetEffectiveRightsFromAclW ptrGetEffectiveRightsFromAclW = 0;
+typedef DECLSPEC_IMPORT PVOID (WINAPI *PtrFreeSid)(PSID);
+static PtrFreeSid ptrFreeSid = 0;
+static TRUSTEE_W currentUserTrusteeW;
+
+typedef BOOL (WINAPI *PtrOpenProcessToken)(HANDLE, DWORD, PHANDLE );
+static PtrOpenProcessToken ptrOpenProcessToken = 0;
+typedef BOOL (WINAPI *PtrGetUserProfileDirectoryW)( HANDLE, LPWSTR, LPDWORD);
+static PtrGetUserProfileDirectoryW ptrGetUserProfileDirectoryW = 0;
+typedef BOOL (WINAPI *PtrSetFilePointerEx)(HANDLE, LARGE_INTEGER, PLARGE_INTEGER, DWORD);
+static PtrSetFilePointerEx ptrSetFilePointerEx = 0;
+QT_END_INCLUDE_NAMESPACE
+
+
+void QFSFileEnginePrivate::resolveLibs()
+{
+    static bool triedResolve = false;
+    if(!triedResolve) {
+        // need to resolve the security info functions
+
+        // protect initialization
+#ifndef QT_NO_THREAD
+        QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve));
+        // check triedResolve again, since another thread may have already
+        // done the initialization
+        if(triedResolve) {
+            // another thread did initialize the security function pointers,
+            // so we shouldn't do it again.
+            return;
+        }
+#endif
+
+        triedResolve = true;
+#if !defined(Q_OS_WINCE)
+        if(QSysInfo::WindowsVersion & QSysInfo::WV_NT_based) {
+            HINSTANCE advapiHnd = LoadLibraryW(L"advapi32");
+            if (advapiHnd) {
+                ptrGetNamedSecurityInfoW = (PtrGetNamedSecurityInfoW)GetProcAddress(advapiHnd, "GetNamedSecurityInfoW");
+                ptrLookupAccountSidW = (PtrLookupAccountSidW)GetProcAddress(advapiHnd, "LookupAccountSidW");
+                ptrAllocateAndInitializeSid = (PtrAllocateAndInitializeSid)GetProcAddress(advapiHnd, "AllocateAndInitializeSid");
+                ptrBuildTrusteeWithSidW = (PtrBuildTrusteeWithSidW)GetProcAddress(advapiHnd, "BuildTrusteeWithSidW");
+                ptrBuildTrusteeWithNameW = (PtrBuildTrusteeWithNameW)GetProcAddress(advapiHnd, "BuildTrusteeWithNameW");
+                ptrGetEffectiveRightsFromAclW = (PtrGetEffectiveRightsFromAclW)GetProcAddress(advapiHnd, "GetEffectiveRightsFromAclW");
+                ptrFreeSid = (PtrFreeSid)GetProcAddress(advapiHnd, "FreeSid");
+            }
+            if (ptrBuildTrusteeWithNameW) {
+                HINSTANCE versionHnd = LoadLibraryW(L"version");
+                if (versionHnd) {
+                    typedef DWORD (WINAPI *PtrGetFileVersionInfoSizeW)(LPWSTR lptstrFilename,LPDWORD lpdwHandle);
+                    PtrGetFileVersionInfoSizeW ptrGetFileVersionInfoSizeW = (PtrGetFileVersionInfoSizeW)GetProcAddress(versionHnd, "GetFileVersionInfoSizeW");
+                    typedef BOOL (WINAPI *PtrGetFileVersionInfoW)(LPWSTR lptstrFilename,DWORD dwHandle,DWORD dwLen,LPVOID lpData);
+                    PtrGetFileVersionInfoW ptrGetFileVersionInfoW = (PtrGetFileVersionInfoW)GetProcAddress(versionHnd, "GetFileVersionInfoW");
+                    typedef BOOL (WINAPI *PtrVerQueryValueW)(const LPVOID pBlock,LPWSTR lpSubBlock,LPVOID *lplpBuffer,PUINT puLen);
+                    PtrVerQueryValueW ptrVerQueryValueW = (PtrVerQueryValueW)GetProcAddress(versionHnd, "VerQueryValueW");
+                    if(ptrGetFileVersionInfoSizeW && ptrGetFileVersionInfoW && ptrVerQueryValueW) {
+                        DWORD fakeHandle;
+                        DWORD versionSize = ptrGetFileVersionInfoSizeW(L"secur32.dll", &fakeHandle);
+                        if(versionSize) {
+                            LPVOID versionData;
+                            versionData = malloc(versionSize);
+                            if(ptrGetFileVersionInfoW(L"secur32.dll", 0, versionSize, versionData)) {
+                                UINT puLen;
+                                VS_FIXEDFILEINFO *pLocalInfo;
+                                if(ptrVerQueryValueW(versionData, L"\\", (void**)&pLocalInfo, &puLen)) {
+                                    WORD wVer1, wVer2, wVer3, wVer4;
+                                    wVer1 = HIWORD(pLocalInfo->dwFileVersionMS);
+                                    wVer2 = LOWORD(pLocalInfo->dwFileVersionMS);
+                                    wVer3 = HIWORD(pLocalInfo->dwFileVersionLS);
+                                    wVer4 = LOWORD(pLocalInfo->dwFileVersionLS);
+                                    // It will not work with secur32.dll version 5.0.2195.2862
+                                    if(!(wVer1 == 5 && wVer2 == 0 && wVer3 == 2195 && (wVer4 == 2862 || wVer4 == 4587))) {
+                                        HINSTANCE userHnd = LoadLibraryW(L"secur32");
+                                        if (userHnd) {
+                                            typedef BOOL (WINAPI *PtrGetUserNameExW)(EXTENDED_NAME_FORMAT nameFormat, ushort* lpBuffer, LPDWORD nSize);
+                                            PtrGetUserNameExW ptrGetUserNameExW = (PtrGetUserNameExW)GetProcAddress(userHnd, "GetUserNameExW");
+                                            if(ptrGetUserNameExW) {
+                                                static TCHAR buffer[258];
+                                                DWORD bufferSize = 257;
+                                                ptrGetUserNameExW(NameSamCompatible, (ushort*)buffer, &bufferSize);
+                                                ptrBuildTrusteeWithNameW(&currentUserTrusteeW, (ushort*)buffer);
+                                            }
+                                            FreeLibrary(userHnd);
+                                        }
+                                    }
+                                }
+                            }
+                            free(versionData);
+                        }
+                    }
+                    FreeLibrary(versionHnd);
+                }
+            }
+            ptrOpenProcessToken = (PtrOpenProcessToken)GetProcAddress(advapiHnd, "OpenProcessToken");
+	        HINSTANCE userenvHnd = LoadLibraryW(L"userenv");
+            if (userenvHnd) {
+                ptrGetUserProfileDirectoryW = (PtrGetUserProfileDirectoryW)GetProcAddress(userenvHnd, "GetUserProfileDirectoryW");
+            }
+            HINSTANCE kernelHnd = LoadLibraryW(L"kernel32");
+            if (kernelHnd)
+                ptrSetFilePointerEx = (PtrSetFilePointerEx)GetProcAddress(kernelHnd, "SetFilePointerEx");
+        }
+#endif
+    }
+}
+#endif // QT_NO_LIBRARY
+
+// UNC functions NT
+typedef DWORD (WINAPI *PtrNetShareEnum_NT)(LPWSTR, DWORD, LPBYTE*, DWORD, LPDWORD, LPDWORD, LPDWORD);
+static PtrNetShareEnum_NT ptrNetShareEnum_NT = 0;
+typedef DWORD (WINAPI *PtrNetApiBufferFree_NT)(LPVOID);
+static PtrNetApiBufferFree_NT ptrNetApiBufferFree_NT = 0;
+typedef struct _SHARE_INFO_1_NT {
+    LPWSTR shi1_netname;
+    DWORD shi1_type;
+    LPWSTR shi1_remark;
+} SHARE_INFO_1_NT;
+
+
+bool QFSFileEnginePrivate::resolveUNCLibs_NT()
+{
+    static bool triedResolve = false;
+    if (!triedResolve) {
+#ifndef QT_NO_THREAD
+        QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve));
+        if (triedResolve) {
+            return ptrNetShareEnum_NT && ptrNetApiBufferFree_NT;
+        }
+#endif
+        triedResolve = true;
+#if !defined(Q_OS_WINCE)
+        HINSTANCE hLib = LoadLibraryW(L"Netapi32");
+        if (hLib) {
+            ptrNetShareEnum_NT = (PtrNetShareEnum_NT)GetProcAddress(hLib, "NetShareEnum");
+            if (ptrNetShareEnum_NT)
+                ptrNetApiBufferFree_NT = (PtrNetApiBufferFree_NT)GetProcAddress(hLib, "NetApiBufferFree");
+        }
+#endif
+    }
+    return ptrNetShareEnum_NT && ptrNetApiBufferFree_NT;
+}
+
+// UNC functions 9x
+typedef DWORD (WINAPI *PtrNetShareEnum_9x)(const char FAR *, short, char FAR *, unsigned short, unsigned short FAR *, unsigned short FAR *);
+static PtrNetShareEnum_9x ptrNetShareEnum_9x = 0;
+#ifdef LM20_NNLEN
+# define LM20_NNLEN_9x LM20_NNLEN
+#else
+# define LM20_NNLEN_9x 12
+#endif
+typedef struct _SHARE_INFO_1_9x {
+  char shi1_netname[LM20_NNLEN_9x+1];
+  char shi1_pad1;
+  unsigned short shi1_type;
+  char FAR* shi1_remark;
+} SHARE_INFO_1_9x;
+
+bool QFSFileEnginePrivate::resolveUNCLibs_9x()
+{
+    static bool triedResolve = false;
+    if (!triedResolve) {
+#ifndef QT_NO_THREAD
+        QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve));
+        if (triedResolve) {
+            return ptrNetShareEnum_9x;
+        }
+#endif
+        triedResolve = true;
+#if !defined(Q_OS_WINCE)
+        HINSTANCE hLib = LoadLibraryA("Svrapi");
+        if (hLib)
+            ptrNetShareEnum_9x = (PtrNetShareEnum_9x)GetProcAddress(hLib, "NetShareEnum");
+#endif
+    }
+    return ptrNetShareEnum_9x;
+}
+
+bool QFSFileEnginePrivate::uncListSharesOnServer(const QString &server, QStringList *list)
+{
+    if (resolveUNCLibs_NT()) {
+        SHARE_INFO_1_NT *BufPtr, *p;
+        DWORD res;
+        DWORD er=0,tr=0,resume=0, i;
+        do {
+            res = ptrNetShareEnum_NT((wchar_t*)server.utf16(), 1, (LPBYTE *)&BufPtr, DWORD(-1), &er, &tr, &resume);
+            if (res == ERROR_SUCCESS || res == ERROR_MORE_DATA) {
+                p=BufPtr;
+                for (i = 1; i <= er; ++i) {
+                    if (list && p->shi1_type == 0)
+                        list->append(QString::fromUtf16((unsigned short *)p->shi1_netname));
+                    p++;
+                }
+            }
+            ptrNetApiBufferFree_NT(BufPtr);
+        } while (res==ERROR_MORE_DATA);
+        return res == ERROR_SUCCESS;
+
+    } else if (resolveUNCLibs_9x()) {
+        SHARE_INFO_1_9x *pBuf = 0;
+        short cbBuffer;
+        unsigned short nEntriesRead = 0;
+        unsigned short nTotalEntries = 0;
+        short numBuffs = 20;
+        DWORD nStatus = 0;
+        do {
+            cbBuffer = numBuffs * sizeof(SHARE_INFO_1_9x);
+            pBuf = (SHARE_INFO_1_9x *)malloc(cbBuffer);
+            if (pBuf) {
+                nStatus = ptrNetShareEnum_9x(server.toLocal8Bit().constData(), 1, (char FAR *)pBuf, cbBuffer, &nEntriesRead, &nTotalEntries);
+                if ((nStatus == ERROR_SUCCESS)) {
+                    for (int i = 0; i < nEntriesRead; ++i) {
+                        if (list && pBuf[i].shi1_type == 0)
+                            list->append(QString::fromLocal8Bit(pBuf[i].shi1_netname));
+                    }
+                    free(pBuf);
+                    break;
+                }
+                free(pBuf);
+                numBuffs *=2;
+            }
+        } while (nStatus == ERROR_MORE_DATA);
+        return nStatus == ERROR_SUCCESS;
+    }
+    return false;
+}
+
+static bool isUncRoot(const QString &server)
+{
+    QString localPath = QDir::toNativeSeparators(server);
+    QStringList parts = localPath.split(QLatin1Char('\\'), QString::SkipEmptyParts);
+    return localPath.startsWith(QLatin1String("\\\\")) && parts.count() <= 1;
+}
+
+static bool isUncPath(const QString &path)
+{
+    // Starts with // or \\, but not \\. or //.
+    return (path.startsWith(QLatin1String("//"))
+            || path.startsWith(QLatin1String("\\\\")))
+        && (path.size() > 2 && path.at(2) != QLatin1Char('.'));
+}
+
+static bool isRelativePath(const QString &path)
+{
+    return !(path.startsWith(QLatin1Char('/'))
+           || (path.length() >= 2
+           && ((path.at(0).isLetter() && path.at(1) == QLatin1Char(':'))
+           || (path.at(0) == QLatin1Char('/') && path.at(1) == QLatin1Char('/'))))); // drive, e.g. a:
+}
+
+static QString fixIfRelativeUncPath(const QString &path)
+{
+    if (isRelativePath(path)) {
+        QString currentPath = QDir::currentPath() + QLatin1Char('/');
+        if (currentPath.startsWith(QLatin1String("//")))
+            return QString(path).prepend(currentPath);
+    }
+    return path;
+}
+
+// can be //server or //server/share
+static bool uncShareExists(const QString &server)
+{
+    QStringList parts = server.split(QLatin1Char('\\'), QString::SkipEmptyParts);
+    if (parts.count()) {
+        QStringList shares;
+        if (QFSFileEnginePrivate::uncListSharesOnServer(QLatin1String("\\\\") + parts.at(0), &shares)) {
+            if (parts.count() >= 2)
+                return shares.contains(parts.at(1), Qt::CaseInsensitive);
+            else
+                return true;
+        }
+    }
+    return false;
+}
+
+#if !defined(Q_OS_WINCE)
+// If you change this function, remember to also change the UNICODE version
+static QString nativeAbsoluteFilePathA(const QString &path)
+{
+    QString ret;
+    QVarLengthArray<char, MAX_PATH> buf(MAX_PATH);
+    char *fileName = 0;
+    QByteArray ba = path.toLocal8Bit();
+    DWORD retLen = GetFullPathNameA(ba.constData(), buf.size(), buf.data(), &fileName);
+    if (retLen > (DWORD)buf.size()) {
+        buf.resize(retLen);
+        retLen = GetFullPathNameA(ba.constData(), buf.size(), buf.data(), &fileName);
+    }
+    if (retLen != 0)
+        ret = QString::fromLocal8Bit(buf.data(), retLen);
+    return ret;
+}
+#endif
+
+// If you change this function, remember to also change the NON-UNICODE version
+static QString nativeAbsoluteFilePathW(const QString &path)
+{
+    QString ret;
+#if !defined(Q_OS_WINCE)
+    QVarLengthArray<wchar_t, MAX_PATH> buf(MAX_PATH);
+    wchar_t *fileName = 0;
+    DWORD retLen = GetFullPathNameW((wchar_t*)path.utf16(), buf.size(), buf.data(), &fileName);
+    if (retLen > (DWORD)buf.size()) {
+        buf.resize(retLen);
+        retLen = GetFullPathNameW((wchar_t*)path.utf16(), buf.size(), buf.data(), &fileName);
+    }
+    if (retLen != 0)
+        ret = QString::fromUtf16((unsigned short *)buf.data(), retLen);
+#else
+    if (path.startsWith(QLatin1String("/")) || path.startsWith(QLatin1String("\\")))
+        ret = QDir::toNativeSeparators(path);
+    else
+        ret = QDir::toNativeSeparators(QDir::cleanPath(qfsPrivateCurrentDir + QLatin1Char('/') + path));
+#endif
+    return ret;
+}
+
+static QString nativeAbsoluteFilePath(const QString &path)
+{
+    QString absPath = QT_WA_INLINE(nativeAbsoluteFilePathW(path), nativeAbsoluteFilePathA(path));
+    // This is really ugly, but GetFullPathName strips off whitespace at the end.
+    // If you for instance write ". " in the lineedit of QFileDialog,
+    // (which is an invalid filename) this function will strip the space off and viola,
+    // the file is later reported as existing. Therefore, we re-add the whitespace that
+    // was at the end of path in order to keep the filename invalid.
+    int i = path.size() - 1;
+    while (i >= 0 && path.at(i) == QLatin1Char(' ')) --i;
+    int extraws = path.size() - 1 - i;
+    if (extraws >= 0) {
+        while (extraws) {
+            absPath.append(QLatin1Char(' '));
+            --extraws;
+        }
+    }
+    return absPath;
+}
+
+QByteArray QFSFileEnginePrivate::win95Name(const QString &path)
+{
+    QString ret(path);
+    if(path.length() > 1 && path[0] == QLatin1Char('/') && path[1] == QLatin1Char('/')) {
+        // Win95 cannot handle slash-slash needs slosh-slosh.
+        ret[0] = QLatin1Char('\\');
+        ret[1] = QLatin1Char('\\');
+        int n = ret.indexOf(QLatin1Char('/'));
+        if(n >= 0)
+            ret[n] = QLatin1Char('\\');
+    } else if(path.length() > 3 && path[2] == QLatin1Char('/') && path[3] == QLatin1Char('/')) {
+        ret[2] = QLatin1Char('\\');
+        ret.remove(3, 1);
+        int n = ret.indexOf(QLatin1Char('/'));
+        if(n >= 0)
+            ret[n] = QLatin1Char('\\');
+    }
+    return ret.toLocal8Bit();
+}
+
+/*!
+    \internal
+*/
+QString QFSFileEnginePrivate::longFileName(const QString &path)
+{
+    if (path.startsWith(QLatin1String("\\\\.\\")))
+        return path;
+
+    QString absPath = nativeAbsoluteFilePath(path);
+#if !defined(Q_OS_WINCE)
+    QString prefix = QLatin1String("\\\\?\\");
+    if (isUncPath(absPath)) {
+        prefix = QLatin1String("\\\\?\\UNC\\");
+        absPath.remove(0, 2);
+    }
+    return prefix + absPath;
+#else
+    return absPath;
+#endif
+}
+
+/*
+    \internal
+*/
+void QFSFileEnginePrivate::nativeInitFileName()
+{
+    QT_WA({
+        QString path = longFileName(QDir::toNativeSeparators(fixIfRelativeUncPath(filePath)));
+        nativeFilePath = QByteArray((const char *)path.utf16(), path.size() * 2 + 1);
+    }, {
+        QString path = fixIfRelativeUncPath(filePath);
+        nativeFilePath = win95Name(path).replace('/', '\\');
+    });
+}
+
+/*
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeOpen(QIODevice::OpenMode openMode)
+{
+    Q_Q(QFSFileEngine);
+
+    // All files are opened in share mode (both read and write).
+    DWORD shareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
+
+    int accessRights = 0;
+    if (openMode & QIODevice::ReadOnly)
+        accessRights |= GENERIC_READ;
+    if (openMode & QIODevice::WriteOnly)
+        accessRights |= GENERIC_WRITE;
+
+    SECURITY_ATTRIBUTES securityAtts = { sizeof(SECURITY_ATTRIBUTES), NULL, FALSE };
+
+    // WriteOnly can create files, ReadOnly cannot.
+    DWORD creationDisp = (openMode & QIODevice::WriteOnly)
+                         ? OPEN_ALWAYS : OPEN_EXISTING;
+
+    // Create the file handle.
+    QT_WA({
+        fileHandle = CreateFileW((TCHAR *)nativeFilePath.constData(),
+                                 accessRights,
+                                 shareMode,
+                                 &securityAtts,
+                                 creationDisp,
+                                 FILE_ATTRIBUTE_NORMAL,
+                                 NULL);
+    }, {
+        fileHandle = CreateFileA(nativeFilePath.constData(),
+                                 accessRights,
+                                 shareMode,
+                                 &securityAtts,
+                                 creationDisp,
+                                 FILE_ATTRIBUTE_NORMAL,
+                                 NULL);
+    });
+
+    // Bail out on error.
+    if (fileHandle == INVALID_HANDLE_VALUE) {
+        q->setError(QFile::OpenError, qt_error_string());
+        return false;
+    }
+
+    // Truncate the file after successfully opening it if Truncate is passed.
+    if (openMode & QIODevice::Truncate)
+        q->setSize(0);
+
+    return true;
+}
+
+/*
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeClose()
+{
+    Q_Q(QFSFileEngine);
+    if (fh || fd != -1) {
+        // stdlib / stdio mode.
+        return closeFdFh();
+    }
+
+    // Windows native mode.
+    bool ok = true;
+    if ((fileHandle == INVALID_HANDLE_VALUE || !CloseHandle(fileHandle))
+#ifdef Q_USE_DEPRECATED_MAP_API
+            && (fileMapHandle == INVALID_HANDLE_VALUE || !CloseHandle(fileMapHandle))
+#endif
+        ) {
+        q->setError(QFile::UnspecifiedError, qt_error_string());
+        ok = false;
+    }
+    fileHandle = INVALID_HANDLE_VALUE;
+    cachedFd = -1;              // gets closed by CloseHandle above
+
+    return ok;
+}
+
+/*
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeFlush()
+{
+    if (fh) {
+        // Buffered stdlib mode.
+        return flushFh();
+    }
+    if (fd != -1) {
+        // Unbuffered stdio mode; always succeeds (no buffer).
+        return true;
+    }
+
+    // Windows native mode; flushing is
+    // unnecessary. FlushFileBuffers(), the equivalent of sync() or
+    // fsync() on Unix, does a low-level flush to the disk, and we
+    // don't expose an API for this.
+    return true;
+}
+
+/*
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativeSize() const
+{
+    Q_Q(const QFSFileEngine);
+    QFSFileEngine *thatQ = const_cast<QFSFileEngine *>(q);
+
+    // ### Don't flush; for buffered files, we should get away with ftell.
+    thatQ->flush();
+
+    // Buffered stdlib mode.
+    if (fh) {
+        QT_OFF_T oldPos = QT_FTELL(fh);
+        QT_FSEEK(fh, 0, SEEK_END);
+        QT_OFF_T fileSize = QT_FTELL(fh);
+        QT_FSEEK(fh, oldPos, SEEK_SET);
+        return qint64(fileSize);
+    }
+
+    // Not-open mode, where the file name is known: We'll check the
+    // file system directly.
+    if (openMode == QIODevice::NotOpen && !nativeFilePath.isEmpty()) {
+        bool ok = false;
+        WIN32_FILE_ATTRIBUTE_DATA attribData;
+        QT_WA({
+            ok = ::GetFileAttributesExW((TCHAR *)nativeFilePath.constData(),
+                                        GetFileExInfoStandard, &attribData);
+        } , {
+            ok = ::GetFileAttributesExA(nativeFilePath.constData(),
+                                        GetFileExInfoStandard, &attribData);
+        });
+        if (ok) {
+            qint64 size = attribData.nFileSizeHigh;
+            size <<= 32;
+            size += attribData.nFileSizeLow;
+            return size;
+        }
+        thatQ->setError(QFile::UnspecifiedError, qt_error_string());
+        return 0;
+    }
+
+    // Unbuffed stdio mode.
+    if(fd != -1) {
+#if !defined(Q_OS_WINCE)
+        HANDLE handle = (HANDLE)_get_osfhandle(fd);
+        if (handle != INVALID_HANDLE_VALUE) {
+            BY_HANDLE_FILE_INFORMATION fileInfo;
+            if (GetFileInformationByHandle(handle, &fileInfo)) {
+                qint64 size = fileInfo.nFileSizeHigh;
+                size <<= 32;
+                size += fileInfo.nFileSizeLow;
+                return size;
+            }
+        }
+#endif
+        thatQ->setError(QFile::UnspecifiedError, qt_error_string());
+        return 0;
+    }
+
+    // Windows native mode.
+    if (fileHandle == INVALID_HANDLE_VALUE)
+        return 0;
+
+    BY_HANDLE_FILE_INFORMATION fileInfo;
+    if (!GetFileInformationByHandle(fileHandle, &fileInfo)) {
+        thatQ->setError(QFile::UnspecifiedError, qt_error_string());
+        return 0;
+    }
+
+    qint64 size = fileInfo.nFileSizeHigh;
+    size <<= 32;
+    size += fileInfo.nFileSizeLow;
+    return size;
+}
+
+/*
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativePos() const
+{
+    Q_Q(const QFSFileEngine);
+    QFSFileEngine *thatQ = const_cast<QFSFileEngine *>(q);
+
+    if (fh || fd != -1) {
+        // stdlib / stido mode.
+        return posFdFh();
+    }
+
+    // Windows native mode.
+    if (fileHandle == INVALID_HANDLE_VALUE)
+        return 0;
+
+#if !defined(QT_NO_LIBRARY)
+    QFSFileEnginePrivate::resolveLibs();
+    if (!ptrSetFilePointerEx) {
+#endif
+        DWORD newFilePointer = SetFilePointer(fileHandle, 0, NULL, FILE_CURRENT);
+        if (newFilePointer == 0xFFFFFFFF) {
+            thatQ->setError(QFile::UnspecifiedError, qt_error_string());
+            return 0;
+        }
+
+        // Note: returns <4GB; does not work with large files. This is the
+        // case for MOC, UIC, qmake and other bootstrapped tools, and for
+        // Win9x/ME.
+        return qint64(newFilePointer);
+#if !defined(QT_NO_LIBRARY)
+    }
+
+    // This approach supports large files.
+    LARGE_INTEGER currentFilePos;
+    LARGE_INTEGER offset;
+    offset.LowPart = 0;
+    offset.HighPart = 0;
+    if (!ptrSetFilePointerEx(fileHandle, offset, &currentFilePos, FILE_CURRENT)) {
+        thatQ->setError(QFile::UnspecifiedError, qt_error_string());
+        return 0;
+    }
+
+    return qint64(currentFilePos.QuadPart);
+#endif
+}
+
+/*
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeSeek(qint64 pos)
+{
+    Q_Q(const QFSFileEngine);
+    QFSFileEngine *thatQ = const_cast<QFSFileEngine *>(q);
+
+    if (fh || fd != -1) {
+        // stdlib / stdio mode.
+        return seekFdFh(pos);
+    }
+
+#if !defined(QT_NO_LIBRARY)
+    QFSFileEnginePrivate::resolveLibs();
+    if (!ptrSetFilePointerEx) {
+#endif
+        LONG seekToPos = LONG(pos); // <- lossy
+        DWORD newFilePointer = SetFilePointer(fileHandle, seekToPos, NULL, FILE_BEGIN);
+        if (newFilePointer == 0xFFFFFFFF) {
+            thatQ->setError(QFile::UnspecifiedError, qt_error_string());
+            return false;
+        }
+
+        // Note: does not work with large files. This is the case for MOC,
+        // UIC, qmake and other bootstrapped tools, and for Win9x/ME.
+        return true;
+#if !defined(QT_NO_LIBRARY)
+    }
+
+    // This approach supports large files.
+    LARGE_INTEGER currentFilePos;
+    LARGE_INTEGER offset;
+    offset.LowPart = (unsigned int)(quint64(pos) & Q_UINT64_C(0xffffffff));
+    offset.HighPart = (unsigned int)((quint64(pos) >> 32) & Q_UINT64_C(0xffffffff));
+    if (ptrSetFilePointerEx(fileHandle, offset, &currentFilePos, FILE_BEGIN) == 0) {
+        thatQ->setError(QFile::UnspecifiedError, qt_error_string());
+        return false;
+    }
+    return true;
+#endif
+}
+
+/*
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativeRead(char *data, qint64 maxlen)
+{
+    Q_Q(QFSFileEngine);
+
+    if (fh || fd != -1) {
+        // stdio / stdlib mode.
+        if (fh && nativeIsSequential() && feof(fh)) {
+            q->setError(QFile::ReadError, qt_error_string(int(errno)));
+            return -1;
+        }
+
+        return readFdFh(data, maxlen);
+    }
+
+    // Windows native mode.
+    if (fileHandle == INVALID_HANDLE_VALUE)
+        return -1;
+
+    DWORD bytesToRead = DWORD(maxlen); // <- lossy
+
+    // Reading on Windows fails with ERROR_NO_SYSTEM_RESOURCES when
+    // the chunks are too large, so we limit the block size to 32MB.
+    static const DWORD maxBlockSize = 32 * 1024 * 1024;
+
+    qint64 totalRead = 0;
+    do {
+        DWORD blockSize = qMin<DWORD>(bytesToRead, maxBlockSize);
+        DWORD bytesRead;
+        if (!ReadFile(fileHandle, data + totalRead, blockSize, &bytesRead, NULL)) {
+            if (totalRead == 0) {
+                // Note: only return failure if the first ReadFile fails.
+                q->setError(QFile::ReadError, qt_error_string());
+                return -1;
+            }
+            break;
+        }
+        if (bytesRead == 0)
+            break;
+        totalRead += bytesRead;
+        bytesToRead -= bytesRead;
+    } while (totalRead < maxlen);
+    return qint64(totalRead);
+}
+
+/*
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativeReadLine(char *data, qint64 maxlen)
+{
+    Q_Q(QFSFileEngine);
+
+    if (fh || fd != -1) {
+        // stdio / stdlib mode.
+        return readLineFdFh(data, maxlen);
+    }
+
+    // Windows native mode.
+    if (fileHandle == INVALID_HANDLE_VALUE)
+        return -1;
+
+    // ### No equivalent in Win32?
+    return q->QAbstractFileEngine::readLine(data, maxlen);
+}
+
+/*
+    \internal
+*/
+qint64 QFSFileEnginePrivate::nativeWrite(const char *data, qint64 len)
+{
+    Q_Q(QFSFileEngine);
+
+    if (fh || fd != -1) {
+        // stdio / stdlib mode.
+        return writeFdFh(data, len);
+    }
+
+    // Windows native mode.
+    if (fileHandle == INVALID_HANDLE_VALUE)
+        return -1;
+
+    qint64 bytesToWrite = DWORD(len); // <- lossy
+
+    // Writing on Windows fails with ERROR_NO_SYSTEM_RESOURCES when
+    // the chunks are too large, so we limit the block size to 32MB.
+    static const DWORD maxBlockSize = 32 * 1024 * 1024;
+
+    qint64 totalWritten = 0;
+    do {
+        DWORD blockSize = qMin<DWORD>(bytesToWrite, maxBlockSize);
+        DWORD bytesWritten;
+        if (!WriteFile(fileHandle, data + totalWritten, blockSize, &bytesWritten, NULL)) {
+            if (totalWritten == 0) {
+                // Note: Only return error if the first WriteFile failed.
+                q->setError(QFile::WriteError, qt_error_string());
+                return -1;
+            }
+            break;
+        }
+        if (bytesWritten == 0)
+            break;
+        totalWritten += bytesWritten;
+        bytesToWrite -= bytesWritten;
+    } while (totalWritten < len);
+    return qint64(totalWritten);
+}
+
+/*
+    \internal
+*/
+int QFSFileEnginePrivate::nativeHandle() const
+{
+    if (fh || fd != -1)
+        return fh ? QT_FILENO(fh) : fd;
+#ifndef Q_OS_WINCE
+    if (cachedFd != -1)
+        return cachedFd;
+
+    int flags = 0;
+    if (openMode & QIODevice::Append)
+        flags |= _O_APPEND;
+    if (!(openMode & QIODevice::WriteOnly))
+        flags |= _O_RDONLY;
+    cachedFd = _open_osfhandle((intptr_t) fileHandle, flags);
+    return cachedFd;
+#else
+    return -1;
+#endif
+}
+
+/*
+    \internal
+*/
+bool QFSFileEnginePrivate::nativeIsSequential() const
+{
+#if !defined(Q_OS_WINCE)
+    // stdlib / Windows native mode.
+    if (fh || fileHandle != INVALID_HANDLE_VALUE) {
+        if (fh == stdin || fh == stdout || fh == stderr)
+            return true;
+
+        HANDLE handle = fileHandle;
+        if (fileHandle == INVALID_HANDLE_VALUE) {
+            // Rare case: using QFile::open(FILE*) to open a pipe.
+            handle = (HANDLE)_get_osfhandle(QT_FILENO(fh));
+            return false;
+        }
+
+        DWORD fileType = GetFileType(handle);
+        return fileType == FILE_TYPE_PIPE;
+    }
+
+    // stdio mode.
+    if (fd != -1)
+        return isSequentialFdFh();
+#endif
+    return false;
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::remove()
+{
+    Q_D(QFSFileEngine);
+    QT_WA({
+        return ::DeleteFileW((TCHAR*)QFSFileEnginePrivate::longFileName(d->filePath).utf16()) != 0;
+    } , {
+        return ::DeleteFileA(QFSFileEnginePrivate::win95Name(d->filePath)) != 0;
+    });
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::copy(const QString &copyName)
+{
+    Q_D(QFSFileEngine);
+    QT_WA({
+        return ::CopyFileW((TCHAR*)QFSFileEnginePrivate::longFileName(d->filePath).utf16(),
+                           (TCHAR*)QFSFileEnginePrivate::longFileName(copyName).utf16(), true) != 0;
+    } , {
+        return ::CopyFileA(QFSFileEnginePrivate::win95Name(d->filePath),
+                           QFSFileEnginePrivate::win95Name(copyName), true) != 0;
+    });
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::rename(const QString &newName)
+{
+    Q_D(QFSFileEngine);
+    QT_WA({
+        return ::MoveFileW((TCHAR*)QFSFileEnginePrivate::longFileName(d->filePath).utf16(),
+                           (TCHAR*)QFSFileEnginePrivate::longFileName(newName).utf16()) != 0;
+    } , {
+        return ::MoveFileA(QFSFileEnginePrivate::win95Name(d->filePath),
+                           QFSFileEnginePrivate::win95Name(newName)) != 0;
+    });
+}
+
+static inline bool mkDir(const QString &path)
+{
+#if defined(Q_OS_WINCE)
+    // Unfortunately CreateDirectory returns true for paths longer than
+    // 256, but does not create a directory. It starts to fail, when
+    // path length > MAX_PATH, which is 260 usually on CE.
+    // This only happens on a Windows Mobile device. Windows CE seems
+    // not to be affected by this.
+    static int platformId = 0;
+    if (platformId == 0) {
+        wchar_t platformString[64];
+        if (SystemParametersInfo(SPI_GETPLATFORMTYPE, sizeof(platformString)/sizeof(*platformString),platformString,0)) {
+            if (0 == wcscmp(platformString, L"PocketPC") || 0 == wcscmp(platformString, L"Smartphone"))
+                platformId = 1;
+            else
+                platformId = 2;
+        }
+    }
+    if (platformId == 1 && QFSFileEnginePrivate::longFileName(path).size() > 256)
+        return false;
+#endif
+    QT_WA({
+        return ::CreateDirectoryW((TCHAR*)QFSFileEnginePrivate::longFileName(path).utf16(), 0);
+    } , {
+        return ::CreateDirectoryA(QFSFileEnginePrivate::win95Name(QFileInfo(path).absoluteFilePath()), 0);
+    });
+}
+
+/*!
+    \reimp
+*/
+static inline bool rmDir(const QString &path)
+{
+    QT_WA({
+        return ::RemoveDirectoryW((TCHAR*)QFSFileEnginePrivate::longFileName(path).utf16());
+    } , {
+        return ::RemoveDirectoryA(QFSFileEnginePrivate::win95Name(QFileInfo(path).absoluteFilePath()));
+    });
+}
+
+/*!
+    \reimp
+*/
+static inline bool isDirPath(const QString &dirPath, bool *existed)
+{
+    QString path = dirPath;
+    if (path.length() == 2 &&path.at(1) == QLatin1Char(':'))
+        path += QLatin1Char('\\');
+
+    DWORD fileAttrib = INVALID_FILE_ATTRIBUTES;
+    QT_WA({
+        fileAttrib = ::GetFileAttributesW((TCHAR*)QFSFileEnginePrivate::longFileName(path).utf16());
+    } , {
+        fileAttrib = ::GetFileAttributesA(QFSFileEnginePrivate::win95Name(QFileInfo(path).absoluteFilePath()));
+    });
+
+    if (existed)
+        *existed = fileAttrib != INVALID_FILE_ATTRIBUTES;
+
+    if (fileAttrib == INVALID_FILE_ATTRIBUTES)
+        return false;
+
+    return fileAttrib & FILE_ATTRIBUTE_DIRECTORY;
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::mkdir(const QString &name, bool createParentDirectories) const
+{
+    QString dirName = name;
+    if (createParentDirectories) {
+        dirName = QDir::toNativeSeparators(QDir::cleanPath(dirName));
+        // We spefically search for / so \ would break it..
+        int oldslash = -1;
+        if (dirName.startsWith(QLatin1String("\\\\"))) {
+            // Don't try to create the root path of a UNC path;
+            // CreateDirectory() will just return ERROR_INVALID_NAME.
+            for (int i = 0; i < dirName.size(); ++i) {
+                if (dirName.at(i) != QDir::separator()) {
+                    oldslash = i;
+                    break;
+                }
+            }
+            if (oldslash != -1)
+                oldslash = dirName.indexOf(QDir::separator(), oldslash);
+        }
+        for (int slash=0; slash != -1; oldslash = slash) {
+            slash = dirName.indexOf(QDir::separator(), oldslash+1);
+            if (slash == -1) {
+                if(oldslash == dirName.length())
+                    break;
+                slash = dirName.length();
+            }
+            if (slash) {
+                QString chunk = dirName.left(slash);
+                bool existed = false;
+                if (!isDirPath(chunk, &existed) && !existed) {
+                    if (!mkDir(chunk))
+                        return false;
+                }
+            }
+        }
+        return true;
+    }
+    return mkDir(name);
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::rmdir(const QString &name, bool recurseParentDirectories) const
+{
+    QString dirName = name;
+    if (recurseParentDirectories) {
+        dirName = QDir::toNativeSeparators(QDir::cleanPath(dirName));
+        for (int oldslash = 0, slash=dirName.length(); slash > 0; oldslash = slash) {
+            QString chunk = dirName.left(slash);
+            if (chunk.length() == 2 && chunk.at(0).isLetter() && chunk.at(1) == QLatin1Char(':'))
+                break;
+            if (!isDirPath(chunk, 0))
+                return false;
+            if (!rmDir(chunk))
+                return oldslash != 0;
+            slash = dirName.lastIndexOf(QDir::separator(), oldslash-1);
+        }
+        return true;
+    }
+    return rmDir(name);
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::caseSensitive() const
+{
+    return false;
+}
+
+/*!
+    Sets the current path (e.g., for QDir), to \a path. Returns true if the
+    new path exists; otherwise this function does nothing, and returns false.
+
+    \sa currentPath()
+*/
+bool QFSFileEngine::setCurrentPath(const QString &path)
+{
+    if (!QDir(path).exists())
+        return false;
+
+#if !defined(Q_OS_WINCE)
+    int r;
+    QT_WA({
+        r = ::SetCurrentDirectoryW((WCHAR*)path.utf16());
+    } , {
+        r = ::SetCurrentDirectoryA(QFSFileEnginePrivate::win95Name(path));
+    });
+    return r != 0;
+#else
+	qfsPrivateCurrentDir = QFSFileEnginePrivate::longFileName(path);
+	return true;
+#endif
+}
+
+/*!
+    Returns the canonicalized form of the current path used by the file
+    engine for the drive specified by \a fileName.
+
+    On Windows, each drive has its own current directory, so a different
+    path is returned for file names that include different drive names
+    (e.g. A: or C:).
+
+    \sa setCurrentPath()
+*/
+QString QFSFileEngine::currentPath(const QString &fileName)
+{
+#if !defined(Q_OS_WINCE)
+    QString ret;
+    //if filename is a drive: then get the pwd of that drive
+    if (fileName.length() >= 2 &&
+        fileName.at(0).isLetter() && fileName.at(1) == QLatin1Char(':')) {
+        int drv = fileName.toUpper().at(0).toLatin1() - 'A' + 1;
+        if (_getdrive() != drv) {
+            QT_WA({
+                TCHAR buf[PATH_MAX];
+                ::_wgetdcwd(drv, buf, PATH_MAX);
+                ret.setUtf16((ushort*)buf, uint(::wcslen(buf)));
+            }, {
+                char buf[PATH_MAX];
+                ::_getdcwd(drv, buf, PATH_MAX);
+                ret = QString::fromLatin1(buf);
+            });
+        }
+    }
+    if (ret.isEmpty()) {
+        //just the pwd
+        QT_WA({
+            DWORD size = 0;
+            WCHAR currentName[PATH_MAX];
+            size = ::GetCurrentDirectoryW(PATH_MAX, currentName);
+            if (size !=0) {
+                if (size > PATH_MAX) {
+                    WCHAR * newCurrentName = new WCHAR[size];
+                    if (::GetCurrentDirectoryW(PATH_MAX, newCurrentName) != 0)
+                        ret = QString::fromUtf16((ushort*)newCurrentName);
+                    delete [] newCurrentName;
+                } else {
+                    ret = QString::fromUtf16((ushort*)currentName);
+                }
+            }
+        } , {
+            DWORD size = 0;
+            char currentName[PATH_MAX];
+            size = ::GetCurrentDirectoryA(PATH_MAX, currentName);
+            if (size !=0)
+                ret = QString::fromLocal8Bit(currentName);
+        });
+    }
+    if (ret.length() >= 2 && ret[1] == QLatin1Char(':'))
+        ret[0] = ret.at(0).toUpper(); // Force uppercase drive letters.
+    return QDir::fromNativeSeparators(ret);
+#else
+	Q_UNUSED(fileName);
+	if (qfsPrivateCurrentDir.isEmpty())
+		qfsPrivateCurrentDir = QCoreApplication::applicationDirPath();
+
+    return QDir::fromNativeSeparators(qfsPrivateCurrentDir);
+#endif
+}
+
+/*!
+    Returns the home path of the current user.
+
+    \sa rootPath()
+*/
+QString QFSFileEngine::homePath()
+{
+    QString ret;
+#if !defined(QT_NO_LIBRARY)
+    QT_WA (
+    {
+        QFSFileEnginePrivate::resolveLibs();
+		if (ptrOpenProcessToken && ptrGetUserProfileDirectoryW) {
+			HANDLE hnd = ::GetCurrentProcess();
+			HANDLE token = 0;
+			BOOL ok = ::ptrOpenProcessToken(hnd, TOKEN_QUERY, &token);
+			if (ok) {
+				DWORD dwBufferSize = 0;
+				// First call, to determine size of the strings (with '\0').
+				ok = ::ptrGetUserProfileDirectoryW(token, NULL, &dwBufferSize);
+				if (!ok && dwBufferSize != 0) {		// We got the required buffer size
+					wchar_t *userDirectory = new wchar_t[dwBufferSize];
+					// Second call, now we can fill the allocated buffer.
+					ok = ::ptrGetUserProfileDirectoryW(token, userDirectory, &dwBufferSize);
+					if (ok)
+						ret = QString::fromUtf16((ushort*)userDirectory);
+
+					delete [] userDirectory;
+				}
+				::CloseHandle(token);
+			}
+		}
+    }
+    ,
+    {
+        // GetUserProfileDirectory is only available from NT 4.0,
+		// so fall through for Win98 and friends version.
+    })
+#endif
+    if(ret.isEmpty() || !QFile::exists(ret)) {
+        ret = QString::fromLocal8Bit(qgetenv("USERPROFILE").constData());
+        if(ret.isEmpty() || !QFile::exists(ret)) {
+            ret = QString::fromLocal8Bit(qgetenv("HOMEDRIVE").constData()) + QString::fromLocal8Bit(qgetenv("HOMEPATH").constData());
+            if(ret.isEmpty() || !QFile::exists(ret)) {
+                ret = QString::fromLocal8Bit(qgetenv("HOME").constData());
+                if(ret.isEmpty() || !QFile::exists(ret)) {
+#if defined(Q_OS_WINCE)
+                    ret = QString::fromLatin1("\\My Documents");
+                    if (!QFile::exists(ret))
+#endif
+                    ret = rootPath();
+                }
+            }
+        }
+    }
+    return QDir::fromNativeSeparators(ret);
+}
+
+/*!
+    Returns the root path.
+
+    \sa homePath()
+*/
+QString QFSFileEngine::rootPath()
+{
+#if defined(Q_OS_WINCE)
+    QString ret = QString::fromLatin1("/");
+#elif defined(Q_FS_FAT)
+    QString ret = QString::fromLatin1(qgetenv("SystemDrive").constData());
+    if(ret.isEmpty())
+        ret = QLatin1String("c:");
+    ret += QLatin1String("/");
+#elif defined(Q_OS_OS2EMX)
+    char dir[4];
+    _abspath(dir, QLatin1String("/"), _MAX_PATH);
+    QString ret(dir);
+#endif
+    return ret;
+}
+
+/*!
+    Returns the temporary path (i.e., a path in which it is safe to store
+    temporary files).
+*/
+QString QFSFileEngine::tempPath()
+{
+    QString ret;
+    int success;
+    QT_WA({
+        wchar_t tempPath[MAX_PATH];
+        success = GetTempPathW(MAX_PATH, tempPath);
+        ret = QString::fromUtf16((ushort*)tempPath);
+    } , {
+        char tempPath[MAX_PATH];
+        success = GetTempPathA(MAX_PATH, tempPath);
+        ret = QString::fromLocal8Bit(tempPath);
+    });
+    if (ret.isEmpty() || !success) {
+#if !defined(Q_OS_WINCE)
+        ret = QString::fromLatin1("c:/tmp");
+#else
+        ret = QString::fromLatin1("\\Temp");
+#endif
+    } else {
+        ret = QDir::fromNativeSeparators(ret);
+        while (ret.at(ret.length()-1) == QLatin1Char('/'))
+            ret = ret.left(ret.length()-1);
+    }
+    return ret;
+}
+
+/*!
+    Returns the list of drives in the file system as a list of QFileInfo
+    objects. On unix, Mac OS X and Windows CE, only the root path is returned.
+    On Windows, this function returns all drives (A:\, C:\, D:\, etc.).
+*/
+QFileInfoList QFSFileEngine::drives()
+{
+    QFileInfoList ret;
+#if !defined(Q_OS_WINCE)
+#if defined(Q_OS_WIN32)
+    quint32 driveBits = (quint32) GetLogicalDrives() & 0x3ffffff;
+#elif defined(Q_OS_OS2EMX)
+    quint32 driveBits, cur;
+    if(DosQueryCurrentDisk(&cur,&driveBits) != NO_ERROR)
+	exit(1);
+    driveBits &= 0x3ffffff;
+#endif
+    char driveName[4];
+
+    qstrcpy(driveName, "A:/");
+
+    while(driveBits) {
+	if(driveBits & 1)
+	    ret.append(QString::fromLatin1(driveName).toUpper());
+	driveName[0]++;
+	driveBits = driveBits >> 1;
+    }
+    return ret;
+#else
+    ret.append(QString::fromLatin1("/").toUpper());
+    return ret;
+#endif
+}
+
+bool QFSFileEnginePrivate::doStat() const
+{
+    if (!tried_stat) {
+        tried_stat = true;
+        could_stat = false;
+
+        if (filePath.isEmpty())
+            return could_stat;
+        QString fname = filePath.endsWith(QLatin1String(".lnk")) ? readLink(filePath) : filePath;
+        fname = fixIfRelativeUncPath(fname);
+
+        UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX);
+
+        if (fd != -1) {
+#if !defined(Q_OS_WINCE)
+            HANDLE fh = (HANDLE)_get_osfhandle(fd);
+            if (fh != INVALID_HANDLE_VALUE) {
+                BY_HANDLE_FILE_INFORMATION fileInfo;
+                if (GetFileInformationByHandle(fh, &fileInfo)) {
+                    could_stat = true;
+                    fileAttrib = fileInfo.dwFileAttributes;
+                }
+            }
+#else
+            DWORD tmpAttributes = GetFileAttributesW((TCHAR*)QFSFileEnginePrivate::longFileName(fname).utf16());
+            if (tmpAttributes != -1) {
+                fileAttrib = tmpAttributes;
+                could_stat = true;
+            } else {
+                return false;
+            }
+#endif
+        } else {
+            QT_WA({
+                fileAttrib = GetFileAttributesW((TCHAR*)QFSFileEnginePrivate::longFileName(fname).utf16());
+            } , {
+                fileAttrib = GetFileAttributesA(QFSFileEnginePrivate::win95Name(QFileInfo(fname).absoluteFilePath()));
+            });
+            could_stat = fileAttrib != INVALID_FILE_ATTRIBUTES;
+            if (!could_stat) {
+#if !defined(Q_OS_WINCE)
+                if (!fname.isEmpty() && fname.at(0).isLetter() && fname.mid(1, fname.length()) == QLatin1String(":/")) {
+                    // an empty drive ??
+                    DWORD drivesBitmask = ::GetLogicalDrives();
+                    int drivebit = 1 << (fname.at(0).toUpper().unicode() - QLatin1Char('A').unicode());
+                    if (drivesBitmask & drivebit) {
+                        fileAttrib = FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM;
+                        could_stat = true;
+                    }
+                } else {
+#endif
+                    QString path = QDir::toNativeSeparators(fname);
+                    bool is_dir = false;
+                    if (path.startsWith(QLatin1String("\\\\"))) {
+                        // UNC - stat doesn't work for all cases (Windows bug)
+                        int s = path.indexOf(path.at(0),2);
+                        if (s > 0) {
+                            // "\\server\..."
+                            s = path.indexOf(path.at(0),s+1);
+                            if (s > 0) {
+                                // "\\server\share\..."
+                                if (s == path.size() - 1) {
+                                    // "\\server\share\"
+                                    is_dir = true;
+                                } else {
+                                    // "\\server\share\notfound"
+                                }
+                            } else {
+                                // "\\server\share"
+                                is_dir = true;
+                            }
+                        } else {
+                            // "\\server"
+                            is_dir = true;
+                        }
+                    }
+                    if (is_dir && uncShareExists(path)) {
+                        // looks like a UNC dir, is a dir.
+                        fileAttrib = FILE_ATTRIBUTE_DIRECTORY;
+                        could_stat = true;
+                    }
+#if !defined(Q_OS_WINCE)
+                }
+#endif
+            }
+        }
+        SetErrorMode(oldmode);
+    }
+    return could_stat;
+}
+
+
+static QString readLink(const QString &link)
+{
+#if !defined(Q_OS_WINCE)
+#if !defined(QT_NO_LIBRARY)
+    QString ret;
+    QT_WA({
+        bool neededCoInit = false;
+        IShellLink *psl;                            // pointer to IShellLink i/f
+        HRESULT hres;
+        WIN32_FIND_DATA wfd;
+        TCHAR szGotPath[MAX_PATH];
+        // Get pointer to the IShellLink interface.
+        hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
+                                    IID_IShellLink, (LPVOID *)&psl);
+
+        if(hres == CO_E_NOTINITIALIZED) { // COM was not initialized
+            neededCoInit = true;
+            CoInitialize(NULL);
+            hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
+                                        IID_IShellLink, (LPVOID *)&psl);
+        }
+        if(SUCCEEDED(hres)) {    // Get pointer to the IPersistFile interface.
+            IPersistFile *ppf;
+            hres = psl->QueryInterface(IID_IPersistFile, (LPVOID *)&ppf);
+            if(SUCCEEDED(hres))  {
+                hres = ppf->Load((LPOLESTR)link.utf16(), STGM_READ);
+                //The original path of the link is retrieved. If the file/folder
+                //was moved, the return value still have the old path.
+                if(SUCCEEDED(hres)) {
+                    if (psl->GetPath(szGotPath, MAX_PATH, &wfd, SLGP_UNCPRIORITY) == NOERROR)
+                        ret = QString::fromUtf16((ushort*)szGotPath);
+                }
+                ppf->Release();
+            }
+            psl->Release();
+        }
+        if(neededCoInit)
+            CoUninitialize();
+    } , {
+	    bool neededCoInit = false;
+        IShellLinkA *psl;                            // pointer to IShellLink i/f
+        HRESULT hres;
+        WIN32_FIND_DATAA wfd;
+        char szGotPath[MAX_PATH];
+        // Get pointer to the IShellLink interface.
+
+        hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
+                                    IID_IShellLinkA, (LPVOID *)&psl);
+
+        if(hres == CO_E_NOTINITIALIZED) { // COM was not initialized
+            neededCoInit = true;
+            CoInitialize(NULL);
+            hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
+                                        IID_IShellLinkA, (LPVOID *)&psl);
+        }
+        if(SUCCEEDED(hres)) {    // Get pointer to the IPersistFile interface.
+            IPersistFile *ppf;
+            hres = psl->QueryInterface(IID_IPersistFile, (LPVOID *)&ppf);
+            if(SUCCEEDED(hres))  {
+                hres = ppf->Load((LPOLESTR)QFileInfo(link).absoluteFilePath().utf16(), STGM_READ);
+                //The original path of the link is retrieved. If the file/folder
+                //was moved, the return value still have the old path.
+                 if(SUCCEEDED(hres)) {
+                    if (psl->GetPath((char*)szGotPath, MAX_PATH, &wfd, SLGP_UNCPRIORITY) == NOERROR)
+                        ret = QString::fromLocal8Bit(szGotPath);
+                }
+                ppf->Release();
+            }
+            psl->Release();
+        }
+        if(neededCoInit)
+            CoUninitialize();
+    });
+    return ret;
+#else
+    Q_UNUSED(link);
+    return QString();
+#endif // QT_NO_LIBRARY
+#else
+    wchar_t target[MAX_PATH];
+    QString result;
+    if (SHGetShortcutTarget((wchar_t*)QFileInfo(link).absoluteFilePath().replace(QLatin1Char('/'),QLatin1Char('\\')).utf16(), target, MAX_PATH)) {
+        result = QString::fromUtf16(reinterpret_cast<const ushort *> (target));
+        if (result.startsWith(QLatin1Char('"')))
+            result.remove(0,1);
+        if (result.endsWith(QLatin1Char('"')))
+            result.remove(result.size()-1,1);
+    }
+    return result;
+#endif // Q_OS_WINCE
+}
+
+/*!
+    \internal
+*/
+QString QFSFileEnginePrivate::getLink() const
+{
+    return readLink(filePath);
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::link(const QString &newName)
+{
+#if !defined(Q_OS_WINCE)
+#if !defined(QT_NO_LIBRARY)
+    bool ret = false;
+
+    QString linkName = newName;
+    //### assume that they add .lnk
+
+    QT_WA({
+        HRESULT hres;
+        IShellLink *psl;
+        bool neededCoInit = false;
+
+        hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void **)&psl);
+        if(hres == CO_E_NOTINITIALIZED) { // COM was not initialized
+                neededCoInit = true;
+                CoInitialize(NULL);
+                hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void **)&psl);
+        }
+        if (SUCCEEDED(hres)) {
+            hres = psl->SetPath((wchar_t *)fileName(AbsoluteName).replace(QLatin1Char('/'), QLatin1Char('\\')).utf16());
+            if (SUCCEEDED(hres)) {
+                hres = psl->SetWorkingDirectory((wchar_t *)fileName(AbsolutePathName).replace(QLatin1Char('/'), QLatin1Char('\\')).utf16());
+                if (SUCCEEDED(hres)) {
+                    IPersistFile *ppf;
+                    hres = psl->QueryInterface(IID_IPersistFile, (void **)&ppf);
+                    if (SUCCEEDED(hres)) {
+                        hres = ppf->Save((TCHAR*)linkName.utf16(), TRUE);
+                        if (SUCCEEDED(hres))
+                             ret = true;
+                        ppf->Release();
+                    }
+                }
+            }
+            psl->Release();
+        }
+        if(neededCoInit)
+                CoUninitialize();
+    } , {
+        // the SetPath() call _sometimes_ changes the current path and when it does it sometimes
+        // does not let us change it back unless we call currentPath() many times.
+        QString cwd = currentPath();
+        HRESULT hres;
+        IShellLinkA *psl;
+        bool neededCoInit = false;
+
+        hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void **)&psl);
+        if(hres == CO_E_NOTINITIALIZED) { // COM was not initialized
+            neededCoInit = true;
+            CoInitialize(NULL);
+            hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void **)&psl);
+        }
+        if (SUCCEEDED(hres)) {
+            currentPath();
+            hres = psl->SetPath((char *)QString::fromLocal8Bit(QFSFileEnginePrivate::win95Name(fileName(AbsoluteName))).utf16());
+            currentPath();
+            if (SUCCEEDED(hres)) {
+                hres = psl->SetWorkingDirectory((char *)QString::fromLocal8Bit(QFSFileEnginePrivate::win95Name(fileName(AbsolutePathName))).utf16());
+                currentPath();
+                if (SUCCEEDED(hres)) {
+                    IPersistFile *ppf;
+                    hres = psl->QueryInterface(IID_IPersistFile, (void **)&ppf);
+                    if (SUCCEEDED(hres)) {
+                        currentPath();
+                        hres = ppf->Save((LPCOLESTR)linkName.utf16(), TRUE);
+                        currentPath();
+                        if (SUCCEEDED(hres))
+                            ret = true;
+                        ppf->Release();
+                    }
+                }
+                psl->Release();
+            }
+        }
+        if(neededCoInit)
+            CoUninitialize();
+        setCurrentPath(cwd);
+    });
+    return ret;
+#else
+    Q_UNUSED(newName);
+    return false;
+#endif // QT_NO_LIBRARY
+#else
+    QString linkName = newName;
+    if (!linkName.endsWith(QLatin1String(".lnk")))
+        linkName += QLatin1String(".lnk");
+    QString orgName = fileName(AbsoluteName).replace(QLatin1Char('/'), QLatin1Char('\\'));
+    // Need to append on our own
+    orgName.prepend(QLatin1Char('"'));
+    orgName.append(QLatin1Char('"'));
+    return SUCCEEDED(SHCreateShortcut((wchar_t*)linkName.utf16(), (wchar_t*)orgName.utf16()));
+#endif // Q_OS_WINCE
+}
+
+/*!
+    \internal
+*/
+QAbstractFileEngine::FileFlags QFSFileEnginePrivate::getPermissions() const
+{
+    QAbstractFileEngine::FileFlags ret = 0;
+
+#if !defined(QT_NO_LIBRARY)
+    if((qt_ntfs_permission_lookup > 0) && ((QSysInfo::WindowsVersion&QSysInfo::WV_NT_based) > QSysInfo::WV_NT)) {
+	PSID pOwner = 0;
+	PSID pGroup = 0;
+	PACL pDacl;
+        PSECURITY_DESCRIPTOR pSD;
+        ACCESS_MASK access_mask;
+
+        enum { ReadMask = 0x00000001, WriteMask = 0x00000002, ExecMask = 0x00000020 };
+        resolveLibs();
+        if(ptrGetNamedSecurityInfoW && ptrAllocateAndInitializeSid && ptrBuildTrusteeWithSidW && ptrGetEffectiveRightsFromAclW && ptrFreeSid) {
+
+            QString fname = filePath.endsWith(QLatin1String(".lnk")) ? readLink(filePath) : filePath;
+            DWORD res = ptrGetNamedSecurityInfoW((wchar_t*)fname.utf16(), SE_FILE_OBJECT,
+						 OWNER_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
+						 &pOwner, &pGroup, &pDacl, 0, &pSD);
+
+            if(res == ERROR_SUCCESS) {
+                TRUSTEE_W trustee;
+                { //user
+                    if(ptrGetEffectiveRightsFromAclW(pDacl, &currentUserTrusteeW, &access_mask) != ERROR_SUCCESS)
+                        access_mask = (ACCESS_MASK)-1;
+		    if(access_mask & ReadMask)
+			ret |= QAbstractFileEngine::ReadUserPerm;
+		    if(access_mask & WriteMask)
+			ret |= QAbstractFileEngine::WriteUserPerm;
+		    if(access_mask & ExecMask)
+			ret |= QAbstractFileEngine::ExeUserPerm;
+                }
+                { //owner
+                    ptrBuildTrusteeWithSidW(&trustee, pOwner);
+                    if(ptrGetEffectiveRightsFromAclW(pDacl, &trustee, &access_mask) != ERROR_SUCCESS)
+                        access_mask = (ACCESS_MASK)-1;
+		    if(access_mask & ReadMask)
+			ret |= QAbstractFileEngine::ReadOwnerPerm;
+		    if(access_mask & WriteMask)
+			ret |= QAbstractFileEngine::WriteOwnerPerm;
+		    if(access_mask & ExecMask)
+			ret |= QAbstractFileEngine::ExeOwnerPerm;
+                }
+                { //group
+                    ptrBuildTrusteeWithSidW(&trustee, pGroup);
+                    if(ptrGetEffectiveRightsFromAclW(pDacl, &trustee, &access_mask) != ERROR_SUCCESS)
+                        access_mask = (ACCESS_MASK)-1;
+		    if(access_mask & ReadMask)
+			ret |= QAbstractFileEngine::ReadGroupPerm;
+		    if(access_mask & WriteMask)
+			ret |= QAbstractFileEngine::WriteGroupPerm;
+		    if(access_mask & ExecMask)
+			ret |= QAbstractFileEngine::ExeGroupPerm;
+                }
+                { //other (world)
+                    // Create SID for Everyone (World)
+                    SID_IDENTIFIER_AUTHORITY worldAuth = { SECURITY_WORLD_SID_AUTHORITY };
+                    PSID pWorld = 0;
+                    if(ptrAllocateAndInitializeSid(&worldAuth, 1, SECURITY_WORLD_RID, 0,0,0,0,0,0,0, &pWorld)) {
+                        ptrBuildTrusteeWithSidW(&trustee, pWorld);
+                        if(ptrGetEffectiveRightsFromAclW(pDacl, &trustee, &access_mask) != ERROR_SUCCESS)
+                            access_mask = (ACCESS_MASK)-1; // ###
+			if(access_mask & ReadMask)
+			    ret |= QAbstractFileEngine::ReadOtherPerm;
+			if(access_mask & WriteMask)
+			    ret |= QAbstractFileEngine::WriteOtherPerm;
+			if(access_mask & ExecMask)
+			    ret |= QAbstractFileEngine::ExeOtherPerm;
+                    }
+                    ptrFreeSid(pWorld);
+                }
+                LocalFree(pSD);
+            }
+        }
+    } else
+#endif
+           {
+	//### what to do with permissions if we don't use ntfs or are not on a NT system
+	// for now just add all permissions and what about exe missions ??
+	// also qt_ntfs_permission_lookup is now not set by defualt ... should it ?
+    	ret |= QAbstractFileEngine::ReadOtherPerm | QAbstractFileEngine::ReadGroupPerm
+	    | QAbstractFileEngine::ReadOwnerPerm | QAbstractFileEngine::ReadUserPerm
+	    | QAbstractFileEngine::WriteUserPerm | QAbstractFileEngine::WriteOwnerPerm
+	    | QAbstractFileEngine::WriteGroupPerm | QAbstractFileEngine::WriteOtherPerm;
+    }
+
+    if (doStat()) {
+        if (ret & (QAbstractFileEngine::WriteOwnerPerm | QAbstractFileEngine::WriteUserPerm |
+            QAbstractFileEngine::WriteGroupPerm | QAbstractFileEngine::WriteOtherPerm)) {
+            if (fileAttrib & FILE_ATTRIBUTE_READONLY)
+                ret &= ~(QAbstractFileEngine::WriteOwnerPerm | QAbstractFileEngine::WriteUserPerm |
+                QAbstractFileEngine::WriteGroupPerm | QAbstractFileEngine::WriteOtherPerm);
+        }
+
+        QString ext = filePath.right(4).toLower();
+        if (ext == QLatin1String(".exe") || ext == QLatin1String(".com") || ext == QLatin1String(".bat") ||
+            ext == QLatin1String(".pif") || ext == QLatin1String(".cmd") || (fileAttrib & FILE_ATTRIBUTE_DIRECTORY))
+            ret |= QAbstractFileEngine::ExeOwnerPerm | QAbstractFileEngine::ExeGroupPerm |
+            QAbstractFileEngine::ExeOtherPerm | QAbstractFileEngine::ExeUserPerm;
+    }
+    return ret;
+}
+
+/*!
+    \reimp
+*/
+QAbstractFileEngine::FileFlags QFSFileEngine::fileFlags(QAbstractFileEngine::FileFlags type) const
+{
+    Q_D(const QFSFileEngine);
+    QAbstractFileEngine::FileFlags ret = 0;
+    // Force a stat, so that we're guaranteed to get up-to-date results
+    if (type & QAbstractFileEngine::FileFlag(QAbstractFileEngine::Refresh)) {
+        d->tried_stat = 0;
+    }
+
+    if (type & PermsMask) {
+        ret |= d->getPermissions();
+        // ### Workaround pascals ### above. Since we always set all properties to true
+        // we need to disable read and exec access if the file does not exists
+        if (d->doStat())
+            ret |= ExistsFlag;
+        else
+            ret &= 0x2222;
+    }
+    if (type & TypesMask) {
+        if (d->filePath.endsWith(QLatin1String(".lnk"))) {
+            ret |= LinkType;
+            QString l = readLink(d->filePath);
+            if (!l.isEmpty()) {
+                if (isDirPath(l, 0))
+                    ret |= DirectoryType;
+                else
+                    ret |= FileType;
+            }
+        } else if (d->doStat()) {
+            if (d->fileAttrib & FILE_ATTRIBUTE_DIRECTORY) {
+                ret |= DirectoryType;
+            } else {
+                ret |= FileType;
+            }
+        }
+    }
+    if (type & FlagsMask) {
+        if(d->doStat()) {
+            ret |= QAbstractFileEngine::FileFlags(ExistsFlag | LocalDiskFlag);
+            if (d->fileAttrib & FILE_ATTRIBUTE_HIDDEN)
+                ret |= HiddenFlag;
+            if (d->filePath == QLatin1String("/") || (d->filePath.at(0).isLetter() && d->filePath.mid(1,d->filePath.length()) == QLatin1String(":/"))
+                || isUncRoot(d->filePath)) {
+                ret |= RootFlag;
+                ret &= ~HiddenFlag;
+            }
+        }
+    }
+    return ret;
+}
+
+/*!
+    \reimp
+*/
+QString QFSFileEngine::fileName(FileName file) const
+{
+    Q_D(const QFSFileEngine);
+    if(file == BaseName) {
+        int slash = d->filePath.lastIndexOf(QLatin1Char('/'));
+        if(slash == -1) {
+            int colon = d->filePath.lastIndexOf(QLatin1Char(':'));
+            if(colon != -1)
+                return d->filePath.mid(colon + 1);
+            return d->filePath;
+        }
+        return d->filePath.mid(slash + 1);
+    } else if(file == PathName) {
+        if(!d->filePath.size())
+            return d->filePath;
+
+        int slash = d->filePath.lastIndexOf(QLatin1Char('/'));
+        if(slash == -1) {
+            if(d->filePath.length() >= 2 && d->filePath.at(1) == QLatin1Char(':'))
+                return d->filePath.left(2);
+            return QString::fromLatin1(".");
+        } else {
+            if(!slash)
+                return QString::fromLatin1("/");
+            if(slash == 2 && d->filePath.length() >= 2 && d->filePath.at(1) == QLatin1Char(':'))
+                slash++;
+            return d->filePath.left(slash);
+        }
+    } else if(file == AbsoluteName || file == AbsolutePathName) {
+        QString ret;
+
+        if (!isRelativePath()) {
+#if !defined(Q_OS_WINCE)
+            if (d->filePath.size() > 2 && d->filePath.at(1) == QLatin1Char(':')
+                && d->filePath.at(2) != QLatin1Char('/') || // It's a drive-relative path, so Z:a.txt -> Z:\currentpath\a.txt
+                d->filePath.startsWith(QLatin1Char('/'))    // It's a absolute path to the current drive, so \a.txt -> Z:\a.txt
+                ) {
+                ret = QDir::fromNativeSeparators(nativeAbsoluteFilePath(d->filePath));
+            } else {
+                ret = d->filePath;
+            }
+#else
+                ret = d->filePath;
+#endif
+        } else {
+            ret = QDir::cleanPath(QDir::currentPath() + QLatin1Char('/') + d->filePath);
+        }
+
+        // The path should be absolute at this point.
+        // From the docs :
+        // Absolute paths begin with the directory separator "/"
+        // (optionally preceded by a drive specification under Windows).
+        if (ret.at(0) != QLatin1Char('/')) {
+            Q_ASSERT(ret.length() >= 2);
+            Q_ASSERT(ret.at(0).isLetter());
+            Q_ASSERT(ret.at(1) == QLatin1Char(':'));
+
+            // Force uppercase drive letters.
+            ret[0] = ret.at(0).toUpper();
+        }
+
+        if (file == AbsolutePathName) {
+            int slash = ret.lastIndexOf(QLatin1Char('/'));
+            if (slash < 0)
+                return ret;
+            else if (ret.at(0) != QLatin1Char('/') && slash == 2)
+                return ret.left(3);      // include the slash
+            else
+                return ret.left(slash > 0 ? slash : 1);
+        }
+        return ret;
+    } else if(file == CanonicalName || file == CanonicalPathName) {
+        if (!(fileFlags(ExistsFlag) & ExistsFlag))
+            return QString();
+
+        QString ret = QFSFileEnginePrivate::canonicalized(fileName(AbsoluteName));
+        if (!ret.isEmpty() && file == CanonicalPathName) {
+            int slash = ret.lastIndexOf(QLatin1Char('/'));
+            if (slash == -1)
+                ret = QDir::currentPath();
+            else if (slash == 0)
+                ret = QLatin1String("/");
+            ret = ret.left(slash);
+        }
+        return ret;
+    } else if(file == LinkName) {
+        return QDir::fromNativeSeparators(d->getLink());
+    } else if(file == BundleName) {
+        return QString();
+    }
+    return d->filePath;
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::isRelativePath() const
+{
+    Q_D(const QFSFileEngine);
+    return !(d->filePath.startsWith(QLatin1Char('/'))
+        || (d->filePath.length() >= 2
+        && ((d->filePath.at(0).isLetter() && d->filePath.at(1) == QLatin1Char(':'))
+        || (d->filePath.at(0) == QLatin1Char('/') && d->filePath.at(1) == QLatin1Char('/')))));                // drive, e.g. a:
+}
+
+/*!
+    \reimp
+*/
+uint QFSFileEngine::ownerId(FileOwner /*own*/) const
+{
+    static const uint nobodyID = (uint) -2;
+    return nobodyID;
+}
+
+/*!
+    \reimp
+*/
+QString QFSFileEngine::owner(FileOwner own) const
+{
+#if !defined(QT_NO_LIBRARY)
+    Q_D(const QFSFileEngine);
+    if((qt_ntfs_permission_lookup > 0) && ((QSysInfo::WindowsVersion&QSysInfo::WV_NT_based) > QSysInfo::WV_NT)) {
+	PSID pOwner = 0;
+	PSECURITY_DESCRIPTOR pSD;
+	QString name;
+	QFSFileEnginePrivate::resolveLibs();
+
+	if(ptrGetNamedSecurityInfoW && ptrLookupAccountSidW) {
+	    if(ptrGetNamedSecurityInfoW((wchar_t*)d->filePath.utf16(), SE_FILE_OBJECT,
+					 own == OwnerGroup ? GROUP_SECURITY_INFORMATION : OWNER_SECURITY_INFORMATION,
+					 NULL, &pOwner, NULL, NULL, &pSD) == ERROR_SUCCESS) {
+		DWORD lowner = 0, ldomain = 0;
+		SID_NAME_USE use;
+		// First call, to determine size of the strings (with '\0').
+		ptrLookupAccountSidW(NULL, pOwner, NULL, &lowner, NULL, &ldomain, (SID_NAME_USE*)&use);
+		wchar_t *owner = new wchar_t[lowner];
+		wchar_t *domain = new wchar_t[ldomain];
+		// Second call, size is without '\0'
+		if(ptrLookupAccountSidW(NULL, pOwner, (LPWSTR)owner, &lowner,
+					 (LPWSTR)domain, &ldomain, (SID_NAME_USE*)&use)) {
+		    name = QString::fromUtf16((ushort*)owner);
+		}
+		LocalFree(pSD);
+		delete [] owner;
+		delete [] domain;
+	    }
+	}
+	return name;
+    }
+#else
+    Q_UNUSED(own);
+#endif
+    return QString(QLatin1String(""));
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::setPermissions(uint perms)
+{
+    Q_D(QFSFileEngine);
+    bool ret = false;
+    int mode = 0;
+
+    if (perms & QFile::ReadOwner || perms & QFile::ReadUser || perms & QFile::ReadGroup || perms & QFile::ReadOther)
+        mode |= _S_IREAD;
+    if (perms & QFile::WriteOwner || perms & QFile::WriteUser || perms & QFile::WriteGroup || perms & QFile::WriteOther)
+        mode |= _S_IWRITE;
+
+    if (mode == 0) // not supported
+        return false;
+
+#if !defined(Q_OS_WINCE)
+   QT_WA({
+        ret = ::_wchmod((TCHAR*)d->filePath.utf16(), mode) == 0;
+   } , {
+        ret = ::_chmod(d->filePath.toLocal8Bit(), mode) == 0;
+   });
+#else
+    ret = ::_wchmod((TCHAR*)d->longFileName(d->filePath).utf16(), mode);
+#endif
+   return ret;
+}
+
+/*!
+    \reimp
+*/
+bool QFSFileEngine::setSize(qint64 size)
+{
+    Q_D(QFSFileEngine);
+
+    if (d->fileHandle != INVALID_HANDLE_VALUE || d->fd != -1) {
+        // resize open file
+        HANDLE fh = d->fileHandle;
+#if !defined(Q_OS_WINCE)
+        if (fh == INVALID_HANDLE_VALUE)
+            fh = (HANDLE)_get_osfhandle(d->fd);
+#endif
+        if (fh == INVALID_HANDLE_VALUE)
+            return false;
+        qint64 currentPos = pos();
+
+        if (seek(size) && SetEndOfFile(fh)) {
+            seek(qMin(currentPos, size));
+            return true;
+        }
+
+        seek(currentPos);
+        return false;
+    }
+
+    if (!d->nativeFilePath.isEmpty()) {
+        // resize file on disk
+        QFile file(d->filePath);
+        if (file.open(QFile::ReadWrite)) {
+            return file.resize(size);
+        }
+    }
+    return false;
+}
+
+
+static inline QDateTime fileTimeToQDateTime(const FILETIME *time)
+{
+    QDateTime ret;
+    if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based || QSysInfo::WindowsVersion & QSysInfo::WV_CE_based) {
+        // SystemTimeToTzSpecificLocalTime is not available on Win98/ME so we have to pull it off ourselves.
+        SYSTEMTIME systime;
+        FILETIME ftime;
+        systime.wYear = 1970;
+        systime.wMonth = 1;
+        systime.wDay = 1;
+        systime.wHour = 0;
+        systime.wMinute = 0;
+        systime.wSecond = 0;
+        systime.wMilliseconds = 0;
+        systime.wDayOfWeek = 4;
+        SystemTimeToFileTime(&systime, &ftime);
+        unsigned __int64 acttime = (unsigned __int64)time->dwHighDateTime << 32 | time->dwLowDateTime;
+        FileTimeToSystemTime(time, &systime);
+        unsigned __int64 time1970 = (unsigned __int64)ftime.dwHighDateTime << 32 | ftime.dwLowDateTime;
+        unsigned __int64 difftime = acttime - time1970;
+        difftime /= 10000000;
+        ret.setTime_t((unsigned int)difftime);
+    } else {
+#ifndef Q_OS_WINCE
+        SYSTEMTIME sTime, lTime;
+        FileTimeToSystemTime(time, &sTime);
+        SystemTimeToTzSpecificLocalTime(0, &sTime, &lTime);
+        ret.setDate(QDate(lTime.wYear, lTime.wMonth, lTime.wDay));
+        ret.setTime(QTime(lTime.wHour, lTime.wMinute, lTime.wSecond, lTime.wMilliseconds));
+#endif
+    }
+    return ret;
+}
+
+/*!
+    \reimp
+*/
+QDateTime QFSFileEngine::fileTime(FileTime time) const
+{
+    Q_D(const QFSFileEngine);
+    QDateTime ret;
+    if (d->fd != -1) {
+#if !defined(Q_OS_WINCE)
+        HANDLE fh = (HANDLE)_get_osfhandle(d->fd);
+        if (fh != INVALID_HANDLE_VALUE) {
+            FILETIME creationTime, lastAccessTime, lastWriteTime;
+            if (GetFileTime(fh, &creationTime, &lastAccessTime, &lastWriteTime)) {
+                if(time == CreationTime)
+                    ret = fileTimeToQDateTime(&creationTime);
+                else if(time == ModificationTime)
+                    ret = fileTimeToQDateTime(&lastWriteTime);
+                else if(time == AccessTime)
+                    ret = fileTimeToQDateTime(&lastAccessTime);
+            }
+        }
+#endif
+    } else {
+        bool ok = false;
+        WIN32_FILE_ATTRIBUTE_DATA attribData;
+        QT_WA({
+            ok = ::GetFileAttributesExW((TCHAR*)QFSFileEnginePrivate::longFileName(d->filePath).utf16(), GetFileExInfoStandard, &attribData);
+        } , {
+            ok = ::GetFileAttributesExA(QFSFileEnginePrivate::win95Name(QFileInfo(d->filePath).absoluteFilePath()), GetFileExInfoStandard, &attribData);
+        });
+        if (ok) {
+            if(time == CreationTime)
+                ret = fileTimeToQDateTime(&attribData.ftCreationTime);
+            else if(time == ModificationTime)
+                ret = fileTimeToQDateTime(&attribData.ftLastWriteTime);
+            else if(time == AccessTime)
+                ret = fileTimeToQDateTime(&attribData.ftLastAccessTime);
+        }
+    }
+    return ret;
+}
+
+uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size,
+                                 QFile::MemoryMapFlags flags)
+{
+    Q_Q(QFSFileEngine);
+    Q_UNUSED(flags);
+    if (openMode == QFile::NotOpen) {
+        q->setError(QFile::PermissionsError, qt_error_string());
+	return 0;
+    }
+    if (offset == 0 && size == 0) {
+        q->setError(QFile::UnspecifiedError, qt_error_string());
+	return 0;
+    }
+
+
+    // get handle to the file
+    HANDLE handle = fileHandle;
+#ifndef Q_OS_WINCE
+    if (handle == INVALID_HANDLE_VALUE && fh)
+        handle = (HANDLE)_get_osfhandle(QT_FILENO(fh));
+#else
+    #ifdef Q_USE_DEPRECATED_MAP_API
+    nativeClose();
+    if (fileMapHandle == INVALID_HANDLE_VALUE) {
+        fileMapHandle = CreateFileForMappingW((TCHAR *)nativeFilePath.constData(),
+                GENERIC_READ | (openMode & QIODevice::WriteOnly ? GENERIC_WRITE : 0),
+                0,
+                NULL,
+                OPEN_EXISTING,
+                FILE_ATTRIBUTE_NORMAL,
+                NULL);
+    }
+    handle = fileMapHandle;
+    #endif
+    if (handle == INVALID_HANDLE_VALUE && fh)
+        return 0;
+#endif
+
+    // first create the file mapping handle
+    HANDLE mapHandle = 0;
+    DWORD protection = (openMode & QIODevice::WriteOnly) ? PAGE_READWRITE : PAGE_READONLY;
+    QT_WA({
+    mapHandle = ::CreateFileMappingW(handle, 0, protection,
+             0, 0, 0);
+    },{
+    mapHandle = ::CreateFileMappingA(handle, 0, protection,
+             0, 0, 0);
+    });
+    if (mapHandle == NULL) {
+        q->setError(QFile::PermissionsError, qt_error_string());
+#ifdef Q_USE_DEPRECATED_MAP_API
+        mapHandleClose();
+#endif
+	return 0;
+    }
+
+    // setup args to map
+    DWORD access = 0;
+    if (openMode & QIODevice::ReadOnly) access = FILE_MAP_READ;
+    if (openMode & QIODevice::WriteOnly) access = FILE_MAP_WRITE;
+
+    DWORD offsetHi = offset >> 32;
+    DWORD offsetLo = offset & Q_UINT64_C(0xffffffff);
+    SYSTEM_INFO sysinfo;
+    ::GetSystemInfo(&sysinfo);
+    int mask = sysinfo.dwAllocationGranularity - 1;
+    int extra = offset & mask;
+    if (extra)
+        offsetLo &= ~mask;
+
+    // attempt to create the map
+    LPVOID mapAddress = MapViewOfFile(mapHandle, access,
+                                      offsetHi, offsetLo, size + extra);
+    if (mapAddress) {
+        uchar *address = extra + static_cast<uchar*>(mapAddress);
+        maps[address] = QPair<int, HANDLE>(extra, mapHandle);
+        return address;
+    }
+
+    switch(GetLastError()) {
+    case ERROR_ACCESS_DENIED:
+        q->setError(QFile::PermissionsError, qt_error_string());
+	break;
+    case ERROR_INVALID_PARAMETER:
+        // size are out of bounds
+    default:
+        q->setError(QFile::UnspecifiedError, qt_error_string());
+    }
+    CloseHandle(mapHandle);
+#ifdef Q_USE_DEPRECATED_MAP_API
+    mapHandleClose();
+#endif
+    return 0;
+}
+
+bool QFSFileEnginePrivate::unmap(uchar *ptr)
+{
+    Q_Q(QFSFileEngine);
+    if (!maps.contains(ptr)) {
+        q->setError(QFile::PermissionsError, qt_error_string());
+        return false;
+    }
+    uchar *start = ptr - maps[ptr].first;
+    if (!UnmapViewOfFile(start)) {
+        q->setError(QFile::PermissionsError, qt_error_string());
+        return false;
+    }
+
+    if (!CloseHandle((HANDLE)maps[ptr].second)) {
+        q->setError(QFile::UnspecifiedError, qt_error_string());
+        return false;
+    }
+    maps.remove(ptr);
+
+#ifdef Q_USE_DEPRECATED_MAP_API
+    mapHandleClose();
+#endif
+    return true;
+}
+
+#ifdef Q_USE_DEPRECATED_MAP_API
+void QFSFileEnginePrivate::mapHandleClose()
+{
+    if (maps.isEmpty()) {
+        CloseHandle(fileMapHandle);
+        fileMapHandle = INVALID_HANDLE_VALUE;
+    }
+}
+#endif
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp
new file mode 100644
index 0000000000..c739054f7c
--- /dev/null
+++ b/src/corelib/io/qiodevice.cpp
@@ -0,0 +1,1748 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//#define QIODEVICE_DEBUG
+
+#include "qbytearray.h"
+#include "qdebug.h"
+#include "qiodevice_p.h"
+#include "qfile.h"
+#include "qstringlist.h"
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifdef QIODEVICE_DEBUG
+void debugBinaryString(const QByteArray &input)
+{
+    QByteArray tmp;
+    int startOffset = 0;
+    for (int i = 0; i < input.size(); ++i) {
+        tmp += input[i];
+
+        if ((i % 16) == 15 || i == (input.size() - 1)) {
+            printf("\n%15d:", startOffset);
+            startOffset += tmp.size();
+
+            for (int j = 0; j < tmp.size(); ++j)
+                printf(" %02x", int(uchar(tmp[j])));
+            for (int j = tmp.size(); j < 16 + 1; ++j)
+                printf("   ");
+            for (int j = 0; j < tmp.size(); ++j)
+                printf("%c", isprint(int(uchar(tmp[j]))) ? tmp[j] : '.');
+            tmp.clear();
+        }
+    }
+    printf("\n\n");
+}
+
+void debugBinaryString(const char *data, qint64 maxlen)
+{
+    debugBinaryString(QByteArray(data, maxlen));
+}
+#endif
+
+#ifndef QIODEVICE_BUFFERSIZE
+#define QIODEVICE_BUFFERSIZE Q_INT64_C(16384)
+#endif
+
+#define Q_VOID
+
+#define CHECK_MAXLEN(function, returnType) \
+    do { \
+        if (maxSize < 0) { \
+            qWarning("QIODevice::"#function": Called with maxSize < 0"); \
+            return returnType; \
+        } \
+    } while (0)
+
+#define CHECK_WRITABLE(function, returnType) \
+   do { \
+       if ((d->openMode & WriteOnly) == 0) { \
+           if (d->openMode == NotOpen) \
+               return returnType; \
+           qWarning("QIODevice::"#function": ReadOnly device"); \
+           return returnType; \
+       } \
+   } while (0)
+
+#define CHECK_READABLE(function, returnType) \
+   do { \
+       if ((d->openMode & ReadOnly) == 0) { \
+           if (d->openMode == NotOpen) \
+               return returnType; \
+           qWarning("QIODevice::"#function": WriteOnly device"); \
+           return returnType; \
+       } \
+   } while (0)
+
+/*! \internal
+ */
+QIODevicePrivate::QIODevicePrivate()
+    : openMode(QIODevice::NotOpen), buffer(QIODEVICE_BUFFERSIZE),
+      pos(0), devicePos(0), accessMode(Unset)
+{
+}
+
+/*! \internal
+ */
+QIODevicePrivate::~QIODevicePrivate()
+{
+}
+
+/*!
+    \class QIODevice
+    \reentrant
+
+    \brief The QIODevice class is the base interface class of all I/O
+    devices in Qt.
+
+    \ingroup io
+
+    QIODevice provides both a common implementation and an abstract
+    interface for devices that support reading and writing of blocks
+    of data, such as QFile, QBuffer and QTcpSocket. QIODevice is
+    abstract and can not be instantiated, but it is common to use the
+    interface it defines to provide device-independent I/O features.
+    For example, Qt's XML classes operate on a QIODevice pointer,
+    allowing them to be used with various devices (such as files and
+    buffers).
+
+    Before accessing the device, open() must be called to set the
+    correct OpenMode (such as ReadOnly or ReadWrite). You can then
+    write to the device with write() or putChar(), and read by calling
+    either read(), readLine(), or readAll(). Call close() when you are
+    done with the device.
+
+    QIODevice distinguishes between two types of devices:
+    random-access devices and sequential devices.
+
+    \list
+    \o Random-access devices support seeking to arbitrary
+    positions using seek(). The current position in the file is
+    available by calling pos(). QFile and QBuffer are examples of
+    random-access devices.
+
+    \o Sequential devices don't support seeking to arbitrary
+    positions. The data must be read in one pass. The functions
+    pos() and size() don't work for sequential devices.
+    QTcpSocket and QProcess are examples of sequential devices.
+    \endlist
+
+    You can use isSequential() to determine the type of device.
+
+    QIODevice emits readyRead() when new data is available for
+    reading; for example, if new data has arrived on the network or if
+    additional data is appended to a file that you are reading
+    from. You can call bytesAvailable() to determine the number of
+    bytes that are currently available for reading. It's common to use
+    bytesAvailable() together with the readyRead() signal when
+    programming with asynchronous devices such as QTcpSocket, where
+    fragments of data can arrive at arbitrary points in
+    time. QIODevice emits the bytesWritten() signal every time a
+    payload of data has been written to the device. Use bytesToWrite()
+    to determine the current amount of data waiting to be written.
+
+    Certain subclasses of QIODevice, such as QTcpSocket and QProcess,
+    are asynchronous. This means that I/O functions such as write()
+    or read() always return immediately, while communication with the
+    device itself may happen when control goes back to the event loop.
+    QIODevice provides functions that allow you to force these
+    operations to be performed immediately, while blocking the
+    calling thread and without entering the event loop. This allows
+    QIODevice subclasses to be used without an event loop, or in
+    a separate thread:
+
+    \list
+    \o waitForReadyRead() - This function suspends operation in the
+    calling thread until new data is available for reading.
+
+    \o waitForBytesWritten() - This function suspends operation in the
+    calling thread until one payload of data has been written to the
+    device.
+
+    \o waitFor....() - Subclasses of QIODevice implement blocking
+    functions for device-specific operations. For example, QProcess
+    has a function called waitForStarted() which suspends operation in
+    the calling thread until the process has started.
+    \endlist
+
+    Calling these functions from the main, GUI thread, may cause your
+    user interface to freeze. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qiodevice.cpp 0
+
+    By subclassing QIODevice, you can provide the same interface to
+    your own I/O devices. Subclasses of QIODevice are only required to
+    implement the protected readData() and writeData() functions.
+    QIODevice uses these functions to implement all its convenience
+    functions, such as getChar(), readLine() and write(). QIODevice
+    also handles access control for you, so you can safely assume that
+    the device is opened in write mode if writeData() is called.
+
+    Some subclasses, such as QFile and QTcpSocket, are implemented
+    using a memory buffer for intermediate storing of data. This
+    reduces the number of required device accessing calls, which are
+    often very slow. Buffering makes functions like getChar() and
+    putChar() fast, as they can operate on the memory buffer instead
+    of directly on the device itself. Certain I/O operations, however,
+    don't work well with a buffer. For example, if several users open
+    the same device and read it character by character, they may end
+    up reading the same data when they meant to read a separate chunk
+    each. For this reason, QIODevice allows you to bypass any
+    buffering by passing the Unbuffered flag to open(). When
+    subclassing QIODevice, remember to bypass any buffer you may use
+    when the device is open in Unbuffered mode.
+
+    \sa QBuffer QFile QTcpSocket
+*/
+
+/*!
+    \typedef QIODevice::Offset
+    \compat
+
+    Use \c qint64 instead.
+*/
+
+/*!
+    \typedef QIODevice::Status
+    \compat
+
+    Use QIODevice::OpenMode instead, or see the documentation for
+    specific devices.
+*/
+
+/*!
+    \enum QIODevice::OpenModeFlag
+
+    This enum is used with open() to describe the mode in which a device
+    is opened. It is also returned by openMode().
+
+    \value NotOpen   The device is not open.
+    \value ReadOnly  The device is open for reading.
+    \value WriteOnly The device is open for writing.
+    \value ReadWrite The device is open for reading and writing.
+    \value Append    The device is opened in append mode, so that all data is
+                     written to the end of the file.
+    \value Truncate  If possible, the device is truncated before it is opened.
+                     All earlier contents of the device are lost.
+    \value Text      When reading, the end-of-line terminators are
+                     translated to '\n'. When writing, the end-of-line
+                     terminators are translated to the local encoding, for
+                     example '\r\n' for Win32.
+    \value Unbuffered Any buffer in the device is bypassed.
+
+    Certain flags, such as \c Unbuffered and \c Truncate, are
+    meaningless when used with some subclasses. Some of these
+    restrictions are implied by the type of device that is represented
+    by a subclass; for example, access to a QBuffer is always
+    unbuffered. In other cases, the restriction may be due to the
+    implementation, or may be imposed by the underlying platform; for
+    example, QTcpSocket does not support \c Unbuffered mode, and
+    limitations in the native API prevent QFile from supporting \c
+    Unbuffered on Windows.
+*/
+
+/*!     \fn QIODevice::bytesWritten(qint64 bytes)
+
+    This signal is emitted every time a payload of data has been
+    written to the device. The \a bytes argument is set to the number
+    of bytes that were written in this payload.
+
+    bytesWritten() is not emitted recursively; if you reenter the event loop
+    or call waitForBytesWritten() inside a slot connected to the
+    bytesWritten() signal, the signal will not be reemitted (although
+    waitForBytesWritten() may still return true).
+
+    \sa readyRead()
+*/
+
+/*!
+    \fn QIODevice::readyRead()
+
+    This signal is emitted once every time new data is available for
+    reading from the device. It will only be emitted again once new
+    data is available, such as when a new payload of network data has
+    arrived on your network socket, or when a new block of data has
+    been appended to your device.
+
+    readyRead() is not emitted recursively; if you reenter the event loop or
+    call waitForReadyRead() inside a slot connected to the readyRead() signal,
+    the signal will not be reemitted (although waitForReadyRead() may still
+    return true).
+
+    Note for developers implementing classes derived from QIODevice:
+    you should always emit readyRead() when new data has arrived (do not
+    emit it only because there's data still to be read in your
+    buffers). Do not emit readyRead() in other conditions.
+
+    \sa bytesWritten()
+*/
+
+/*! \fn QIODevice::aboutToClose()
+
+    This signal is emitted when the device is about to close. Connect
+    this signal if you have operations that need to be performed
+    before the device closes (e.g., if you have data in a separate
+    buffer that needs to be written to the device).
+*/
+
+/*!
+    \fn QIODevice::readChannelFinished()
+    \since 4.4
+
+    This signal is emitted when the input (reading) stream is closed
+    in this device. It is emitted as soon as the closing is detected,
+    which means that there might still be data available for reading
+    with read().
+
+    \sa atEnd(), read()
+*/
+
+#ifdef QT_NO_QOBJECT
+QIODevice::QIODevice()
+    : d_ptr(new QIODevicePrivate)
+{
+    d_ptr->q_ptr = this;
+}
+
+/*! \internal
+*/
+QIODevice::QIODevice(QIODevicePrivate &dd)
+    : d_ptr(&dd)
+{
+    d_ptr->q_ptr = this;
+}
+#else
+
+/*!
+    Constructs a QIODevice object.
+*/
+
+QIODevice::QIODevice()
+    : QObject(*new QIODevicePrivate, 0)
+{
+#if defined QIODEVICE_DEBUG
+    QFile *file = qobject_cast<QFile *>(this);
+    printf("%p QIODevice::QIODevice(\"%s\") %s\n", this, className(),
+           qPrintable(file ? file->fileName() : QString()));
+#endif
+}
+
+/*!
+    Constructs a QIODevice object with the given \a parent.
+*/
+
+QIODevice::QIODevice(QObject *parent)
+    : QObject(*new QIODevicePrivate, parent)
+{
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::QIODevice(%p \"%s\")\n", this, parent, className());
+#endif
+}
+
+/*! \internal
+*/
+QIODevice::QIODevice(QIODevicePrivate &dd, QObject *parent)
+    : QObject(dd, parent)
+{
+}
+#endif
+
+
+/*!
+    Destructs the QIODevice object.
+*/
+QIODevice::~QIODevice()
+{
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::~QIODevice()\n", this);
+#endif
+}
+
+/*!
+    Returns true if this device is sequential; otherwise returns
+    false.
+
+    Sequential devices, as opposed to a random-access devices, have no
+    concept of a start, an end, a size, or a current position, and they
+    do not support seeking. You can only read from the device when it
+    reports that data is available. The most common example of a
+    sequential device is a network socket. On Unix, special files such
+    as /dev/zero and fifo pipes are sequential.
+
+    Regular files, on the other hand, do support random access. They
+    have both a size and a current position, and they also support
+    seeking backwards and forwards in the data stream. Regular files
+    are non-sequential.
+
+    \sa bytesAvailable()
+*/
+bool QIODevice::isSequential() const
+{
+    return false;
+}
+
+/*!
+    Returns the mode in which the device has been opened;
+    i.e. ReadOnly or WriteOnly.
+
+    \sa OpenMode
+*/
+QIODevice::OpenMode QIODevice::openMode() const
+{
+    return d_func()->openMode;
+}
+
+/*!
+    Sets the OpenMode of the device to \a openMode. Call this
+    function to set the open mode if the flags change after the device
+    has been opened.
+
+    \sa openMode() OpenMode
+*/
+void QIODevice::setOpenMode(OpenMode openMode)
+{
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::setOpenMode(0x%x)\n", this, int(openMode));
+#endif
+    d_func()->openMode = openMode;
+    d_func()->accessMode = QIODevicePrivate::Unset;
+}
+
+/*!
+    If \a enabled is true, this function sets the \l Text flag on the device;
+    otherwise the \l Text flag is removed. This feature is useful for classes
+    that provide custom end-of-line handling on a QIODevice.
+
+    \sa open(), setOpenMode()
+ */
+void QIODevice::setTextModeEnabled(bool enabled)
+{
+    Q_D(QIODevice);
+    if (enabled)
+        d->openMode |= Text;
+    else
+        d->openMode &= ~Text;
+}
+
+/*!
+    Returns true if the \l Text flag is enabled; otherwise returns false.
+
+    \sa setTextModeEnabled()
+*/
+bool QIODevice::isTextModeEnabled() const
+{
+    return d_func()->openMode & Text;
+}
+
+/*!
+    Returns true if the device is open; otherwise returns false. A
+    device is open if it can be read from and/or written to. By
+    default, this function returns false if openMode() returns
+    \c NotOpen.
+
+    \sa openMode() OpenMode
+*/
+bool QIODevice::isOpen() const
+{
+    return d_func()->openMode != NotOpen;
+}
+
+/*!
+    Returns true if data can be read from the device; otherwise returns
+    false. Use bytesAvailable() to determine how many bytes can be read.
+
+    This is a convenience function which checks if the OpenMode of the
+    device contains the ReadOnly flag.
+
+    \sa openMode() OpenMode
+*/
+bool QIODevice::isReadable() const
+{
+    return (openMode() & ReadOnly) != 0;
+}
+
+/*!
+    Returns true if data can be written to the device; otherwise returns
+    false.
+
+    This is a convenience function which checks if the OpenMode of the
+    device contains the WriteOnly flag.
+
+    \sa openMode() OpenMode
+*/
+bool QIODevice::isWritable() const
+{
+    return (openMode() & WriteOnly) != 0;
+}
+
+/*!
+    Opens the device and sets its OpenMode to \a mode. Returns true if successful;
+    otherwise returns false. This function should be called from any
+    reimplementations of open() or other functions that open the device.
+
+    \sa openMode() OpenMode
+*/
+bool QIODevice::open(OpenMode mode)
+{
+    Q_D(QIODevice);
+    d->openMode = mode;
+    d->pos = (mode & Append) ? size() : qint64(0);
+    d->buffer.clear();
+    d->accessMode = QIODevicePrivate::Unset;
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::open(0x%x)\n", this, quint32(mode));
+#endif
+    return true;
+}
+
+/*!
+    First emits aboutToClose(), then closes the device and sets its
+    OpenMode to NotOpen. The error string is also reset.
+
+    \sa setOpenMode() OpenMode
+*/
+void QIODevice::close()
+{
+    Q_D(QIODevice);
+    if (d->openMode == NotOpen)
+        return;
+
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::close()\n", this);
+#endif
+
+#ifndef QT_NO_QOBJECT
+    emit aboutToClose();
+#endif
+    d->openMode = NotOpen;
+    d->errorString.clear();
+    d->pos = 0;
+    d->buffer.clear();
+}
+
+/*!
+    For random-access devices, this function returns the position that
+    data is written to or read from. For sequential devices or closed
+    devices, where there is no concept of a "current position", 0 is
+    returned.
+
+    The current read/write position of the device is maintained internally by
+    QIODevice, so reimplementing this function is not necessary. When
+    subclassing QIODevice, use QIODevice::seek() to notify QIODevice about
+    changes in the device position.
+
+    \sa isSequential(), seek()
+*/
+qint64 QIODevice::pos() const
+{
+    Q_D(const QIODevice);
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::pos() == %d\n", this, int(d->pos));
+#endif
+    return d->pos;
+}
+
+/*!
+    For open random-access devices, this function returns the size of the
+    device. For open sequential devices, bytesAvailable() is returned.
+
+    If the device is closed, the size returned will not reflect the actual
+    size of the device.
+
+    \sa isSequential(), pos()
+*/
+qint64 QIODevice::size() const
+{
+    return d_func()->isSequential() ?  bytesAvailable() : qint64(0);
+}
+
+/*!
+    For random-access devices, this function sets the current position
+    to \a pos, returning true on success, or false if an error occurred.
+    For sequential devices, the default behavior is to do nothing and
+    return false.
+
+    When subclassing QIODevice, you must call QIODevice::seek() at the
+    start of your function to ensure integrity with QIODevice's
+    built-in buffer. The base implementation always returns true.
+
+    \sa pos(), isSequential()
+*/
+bool QIODevice::seek(qint64 pos)
+{
+    if (d_func()->openMode == NotOpen) {
+        qWarning("QIODevice::seek: The device is not open");
+        return false;
+    }
+    if (pos < 0) {
+        qWarning("QIODevice::seek: Invalid pos: %d", int(pos));
+        return false;
+    }
+
+    Q_D(QIODevice);
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::seek(%d), before: d->pos = %d, d->buffer.size() = %d\n",
+           this, int(pos), int(d->pos), d->buffer.size());
+#endif
+
+    qint64 offset = pos - d->pos;
+    if (!d->isSequential()) {
+        d->pos = pos;
+        d->devicePos = pos;
+    }
+
+    if (offset > 0 && !d->buffer.isEmpty()) {
+        // When seeking forwards, we need to pop bytes off the front of the
+        // buffer.
+        do {
+            int bytesToSkip = int(qMin<qint64>(offset, INT_MAX));
+            d->buffer.skip(bytesToSkip);
+            offset -= bytesToSkip;
+        } while (offset > 0);
+    } else if (offset < 0) {
+        // When seeking backwards, an operation that is only allowed for
+        // random-access devices, the buffer is cleared. The next read
+        // operation will then refill the buffer. We can optimize this, if we
+        // find that seeking backwards becomes a significant performance hit.
+        d->buffer.clear();
+    }
+#if defined QIODEVICE_DEBUG
+    printf("%p \tafter: d->pos == %d, d->buffer.size() == %d\n", this, int(d->pos),
+           d->buffer.size());
+#endif
+    return true;
+}
+
+/*!
+    Returns true if the current read and write position is at the end
+    of the device (i.e. there is no more data available for reading on
+    the device); otherwise returns false.
+
+    For some devices, atEnd() can return true even though there is more data
+    to read. This special case only applies to devices that generate data in
+    direct response to you calling read() (e.g., \c /dev or \c /proc files on
+    Unix and Mac OS X, or console input / \c stdin on all platforms).
+
+    \sa bytesAvailable(), read(), isSequential()
+*/
+bool QIODevice::atEnd() const
+{
+    Q_D(const QIODevice);
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::atEnd() returns %s, d->openMode == %d, d->pos == %d\n", this, (d->openMode == NotOpen || d->pos == size()) ? "true" : "false",
+           int(d->openMode), int(d->pos));
+#endif
+    return d->openMode == NotOpen || (d->buffer.isEmpty() && bytesAvailable() == 0);
+}
+
+/*!
+    Seeks to the start of input for random-access devices. Returns
+    true on success; otherwise returns false (for example, if the
+    device is not open).
+
+    Note that when using a QTextStream on a QFile, calling reset() on
+    the QFile will not have the expected result because QTextStream
+    buffers the file. Use the QTextStream::seek() function instead.
+
+    \sa seek()
+*/
+bool QIODevice::reset()
+{
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::reset()\n", this);
+#endif
+    return seek(0);
+}
+
+/*!
+    Returns the number of bytes that are available for reading. This
+    function is commonly used with sequential devices to determine the
+    number of bytes to allocate in a buffer before reading.
+
+    Subclasses that reimplement this function must call the base
+    implementation in order to include the size of QIODevices' buffer. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qiodevice.cpp 1
+
+    \sa bytesToWrite(), readyRead(), isSequential()
+*/
+qint64 QIODevice::bytesAvailable() const
+{
+    Q_D(const QIODevice);
+    if (!d->isSequential())
+        return qMax(size() - d->pos, qint64(0));
+    return d->buffer.size();
+}
+
+/*!
+    For buffered devices, this function returns the number of bytes
+    waiting to be written. For devices with no buffer, this function
+    returns 0.
+
+    \sa bytesAvailable(), bytesWritten(), isSequential()
+*/
+qint64 QIODevice::bytesToWrite() const
+{
+    return qint64(0);
+}
+
+/*!
+    Reads at most \a maxSize bytes from the device into \a data, and
+    returns the number of bytes read. If an error occurs, such as when
+    attempting to read from a device opened in WriteOnly mode, this
+    function returns -1.
+
+    0 is returned when no more data is available for reading. However,
+    reading past the end of the stream is considered an error, so this
+    function returns -1 in those cases (that is, reading on a closed
+    socket or after a process has died).
+
+    \sa readData() readLine() write()
+*/
+qint64 QIODevice::read(char *data, qint64 maxSize)
+{
+    Q_D(QIODevice);
+    CHECK_READABLE(read, qint64(-1));
+    CHECK_MAXLEN(read, qint64(-1));
+
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::read(%p, %d), d->pos = %d, d->buffer.size() = %d\n",
+           this, data, int(maxSize), int(d->pos), int(d->buffer.size()));
+#endif
+    const bool sequential = d->isSequential();
+
+    // Short circuit for getChar()
+    if (maxSize == 1) {
+        int chint = d->buffer.getChar();
+        if (chint != -1) {
+            char c = char(uchar(chint));
+            if (c == '\r' && (d->openMode & Text)) {
+                d->buffer.ungetChar(c);
+            } else {
+                if (data)
+                    *data = c;
+                if (!sequential)
+                    ++d->pos;
+#if defined QIODEVICE_DEBUG
+                printf("%p \tread 0x%hhx (%c) returning 1 (shortcut)\n", this,
+                       int(c), isprint(c) ? c : '?');
+#endif
+                return qint64(1);
+            }
+        }
+    }
+
+    qint64 readSoFar = 0;
+    bool moreToRead = true;
+    do {
+        int lastReadChunkSize = 0;
+
+        // Try reading from the buffer.
+        if (!d->buffer.isEmpty()) {
+            lastReadChunkSize = d->buffer.read(data + readSoFar, maxSize - readSoFar);
+            readSoFar += lastReadChunkSize;
+            if (!sequential)
+                d->pos += lastReadChunkSize;
+#if defined QIODEVICE_DEBUG
+            printf("%p \treading %d bytes from buffer into position %d\n", this, lastReadChunkSize,
+                   int(readSoFar) - lastReadChunkSize);
+#endif
+        } else if ((d->openMode & Unbuffered) == 0 && maxSize < QIODEVICE_BUFFERSIZE) {
+            // In buffered mode, we try to fill up the QIODevice buffer before
+            // we do anything else.
+            int bytesToBuffer = qMax(maxSize - readSoFar, QIODEVICE_BUFFERSIZE);
+            char *writePointer = d->buffer.reserve(bytesToBuffer);
+
+            // Make sure the device is positioned correctly.
+            if (d->pos != d->devicePos && !sequential && !seek(d->pos))
+                return qint64(-1);
+            qint64 readFromDevice = readData(writePointer, bytesToBuffer);
+            d->buffer.chop(bytesToBuffer - (readFromDevice < 0 ? 0 : int(readFromDevice)));
+
+            if (readFromDevice > 0) {
+                if (!sequential)
+                    d->devicePos += readFromDevice;
+#if defined QIODEVICE_DEBUG
+                printf("%p \treading %d from device into buffer\n", this, int(readFromDevice));
+#endif
+
+                if (readFromDevice < bytesToBuffer)
+                    d->buffer.truncate(readFromDevice < 0 ? 0 : int(readFromDevice));
+                if (!d->buffer.isEmpty()) {
+                    lastReadChunkSize = d->buffer.read(data + readSoFar, maxSize - readSoFar);
+                    readSoFar += lastReadChunkSize;
+                    if (!sequential)
+                        d->pos += lastReadChunkSize;
+#if defined QIODEVICE_DEBUG
+                    printf("%p \treading %d bytes from buffer at position %d\n", this,
+                           lastReadChunkSize, int(readSoFar));
+#endif
+                }
+            }
+        }
+
+        // If we need more, try reading from the device.
+        if (readSoFar < maxSize) {
+            // Make sure the device is positioned correctly.
+            if (d->pos != d->devicePos && !sequential && !seek(d->pos))
+                return qint64(-1);
+            qint64 readFromDevice = readData(data + readSoFar, maxSize - readSoFar);
+#if defined QIODEVICE_DEBUG
+            printf("%p \treading %d bytes from device (total %d)\n", this, int(readFromDevice), int(readSoFar));
+#endif
+            if (readFromDevice == -1 && readSoFar == 0) {
+                // error and we haven't read anything: return immediately
+                return -1;
+            }
+            if (readFromDevice <= 0) {
+                moreToRead = false;
+            } else {
+                // see if we read as much data as we asked for
+                if (readFromDevice < maxSize - readSoFar)
+                    moreToRead = false;
+
+                lastReadChunkSize += int(readFromDevice);
+                readSoFar += readFromDevice;
+                if (!sequential) {
+                    d->pos += readFromDevice;
+                    d->devicePos += readFromDevice;
+                }
+            }
+        } else {
+            moreToRead = false;
+        }
+
+        if (readSoFar && d->openMode & Text) {
+            char *readPtr = data + readSoFar - lastReadChunkSize;
+            const char *endPtr = data + readSoFar;
+
+            if (readPtr < endPtr) {
+                // optimization to avoid initial self-assignment
+                while (*readPtr != '\r') {
+                    if (++readPtr == endPtr)
+                        return readSoFar;
+                }
+
+                char *writePtr = readPtr;
+
+                while (readPtr < endPtr) {
+                    char ch = *readPtr++;
+                    if (ch != '\r')
+                        *writePtr++ = ch;
+                    else
+                        --readSoFar;
+                }
+
+                // Make sure we get more data if there is room for more. This
+                // is very important for when someone seeks to the start of a
+                // '\r\n' and reads one character - they should get the '\n'.
+                moreToRead = (readPtr != writePtr);
+            }
+        }
+    } while (moreToRead);
+
+#if defined QIODEVICE_DEBUG
+    printf("%p \treturning %d, d->pos == %d, d->buffer.size() == %d\n", this,
+           int(readSoFar), int(d->pos), d->buffer.size());
+    debugBinaryString(data, readSoFar);
+#endif
+    return readSoFar;
+}
+
+/*!
+    \overload
+
+    Reads at most \a maxSize bytes from the device, and returns the
+    data read as a QByteArray.
+
+    This function has no way of reporting errors; returning an empty
+    QByteArray() can mean either that no data was currently available
+    for reading, or that an error occurred.
+*/
+QByteArray QIODevice::read(qint64 maxSize)
+{
+    Q_D(QIODevice);
+    CHECK_MAXLEN(read, QByteArray());
+    QByteArray tmp;
+    qint64 readSoFar = 0;
+    char buffer[4096];
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::read(%d), d->pos = %d, d->buffer.size() = %d\n",
+           this, int(maxSize), int(d->pos), int(d->buffer.size()));
+#else
+    Q_UNUSED(d);
+#endif
+
+    do {
+        qint64 bytesToRead = qMin(int(maxSize - readSoFar), int(sizeof(buffer)));
+        qint64 readBytes = read(buffer, bytesToRead);
+        if (readBytes <= 0)
+            break;
+        tmp.append(buffer, (int) readBytes);
+        readSoFar += readBytes;
+    } while (readSoFar < maxSize && bytesAvailable() > 0);
+
+    return tmp;
+}
+
+/*!
+    \overload
+
+    Reads all available data from the device, and returns it as a
+    QByteArray.
+
+    This function has no way of reporting errors; returning an empty
+    QByteArray() can mean either that no data was currently available
+    for reading, or that an error occurred.
+*/
+QByteArray QIODevice::readAll()
+{
+    Q_D(QIODevice);
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::readAll(), d->pos = %d, d->buffer.size() = %d\n",
+           this, int(d->pos), int(d->buffer.size()));
+#endif
+
+    QByteArray tmp;
+    if (d->isSequential() || size() == 0) {
+        // Read it in chunks, bytesAvailable() is unreliable for sequential
+        // devices.
+        const int chunkSize = 4096;
+        qint64 totalRead = 0;
+        forever {
+            tmp.resize(tmp.size() + chunkSize);
+            qint64 readBytes = read(tmp.data() + totalRead, chunkSize);
+            tmp.chop(chunkSize - (readBytes < 0 ? 0 : readBytes));
+            if (readBytes <= 0)
+                return tmp;
+            totalRead += readBytes;
+        }
+    } else {
+        // Read it all in one go.
+        tmp.resize(int(bytesAvailable()));
+        qint64 readBytes = read(tmp.data(), tmp.size());
+        tmp.resize(readBytes < 0 ? 0 : int(readBytes));
+    }
+    return tmp;
+}
+
+/*!
+    This function reads a line of ASCII characters from the device, up
+    to a maximum of \a maxSize - 1 bytes, stores the characters in \a
+    data, and returns the number of bytes read. If a line could not be
+    read but no error ocurred, this function returns 0. If an error
+    occurs, this function returns what it could the length of what
+    could be read, or -1 if nothing was read.
+
+    A terminating '\0' byte is always appended to \a data, so \a
+    maxSize must be larger than 1.
+
+    Data is read until either of the following conditions are met:
+
+    \list
+    \o The first '\n' character is read.
+    \o \a maxSize - 1 bytes are read.
+    \o The end of the device data is detected.
+    \endlist
+
+    For example, the following code reads a line of characters from a
+    file:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qiodevice.cpp 2
+
+    The newline character ('\n') is included in the buffer. If a
+    newline is not encountered before maxSize - 1 bytes are read, a
+    newline will not be inserted into the buffer. On windows newline
+    characters are replaced with '\n'.
+
+    This function calls readLineData(), which is implemented using
+    repeated calls to getChar(). You can provide a more efficient
+    implementation by reimplementing readLineData() in your own
+    subclass.
+
+    \sa getChar(), read(), write()
+*/
+qint64 QIODevice::readLine(char *data, qint64 maxSize)
+{
+    Q_D(QIODevice);
+    if (maxSize < 2) {
+        qWarning("QIODevice::readLine: Called with maxSize < 2");
+        return qint64(-1);
+    }
+
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::readLine(%p, %d), d->pos = %d, d->buffer.size() = %d\n",
+           this, data, int(maxSize), int(d->pos), int(d->buffer.size()));
+#endif
+
+    // Leave room for a '\0'
+    --maxSize;
+
+    const bool sequential = d->isSequential();
+
+    qint64 readSoFar = 0;
+    if (!d->buffer.isEmpty()) {
+        readSoFar = d->buffer.readLine(data, maxSize);
+        if (!sequential)
+            d->pos += readSoFar;
+#if defined QIODEVICE_DEBUG
+        printf("%p \tread from buffer: %d bytes, last character read: %hhx\n", this,
+               int(readSoFar), data[int(readSoFar) - 1]);
+        if (readSoFar)
+            debugBinaryString(data, int(readSoFar));
+#endif
+        if (readSoFar && data[readSoFar - 1] == '\n') {
+            if (d->openMode & Text) {
+                // QRingBuffer::readLine() isn't Text aware.
+                if (readSoFar > 1 && data[readSoFar - 2] == '\r') {
+                    --readSoFar;
+                    data[readSoFar - 1] = '\n';
+                }
+            }
+            data[readSoFar] = '\0';
+            return readSoFar;
+        }
+    }
+
+    if (d->pos != d->devicePos && !sequential && !seek(d->pos))
+        return qint64(-1);
+    d->baseReadLineDataCalled = false;
+    qint64 readBytes = readLineData(data + readSoFar, maxSize - readSoFar);
+#if defined QIODEVICE_DEBUG
+    printf("%p \tread from readLineData: %d bytes, readSoFar = %d bytes\n", this,
+           int(readBytes), int(readSoFar));
+    if (readBytes > 0) {
+        debugBinaryString(data, int(readSoFar + readBytes));
+    }
+#endif
+    if (readBytes < 0) {
+        data[readSoFar] = '\0';
+        return readSoFar ? readSoFar : -1;
+    }
+    readSoFar += readBytes;
+    if (!d->baseReadLineDataCalled && !sequential) {
+        d->pos += readBytes;
+        // If the base implementation was not called, then we must
+        // assume the device position is invalid and force a seek.
+        d->devicePos = qint64(-1);
+    }
+    data[readSoFar] = '\0';
+
+    if (d->openMode & Text) {
+        if (readSoFar > 1 && data[readSoFar - 1] == '\n' && data[readSoFar - 2] == '\r') {
+            data[readSoFar - 2] = '\n';
+            data[readSoFar - 1] = '\0';
+            --readSoFar;
+        }
+    }
+
+#if defined QIODEVICE_DEBUG
+    printf("%p \treturning %d, d->pos = %d, d->buffer.size() = %d, size() = %d\n",
+           this, int(readSoFar), int(d->pos), d->buffer.size(), int(size()));
+    debugBinaryString(data, int(readSoFar));
+#endif
+    return readSoFar;
+}
+
+/*!
+    \overload
+
+    Reads a line from the device, but no more than \a maxSize characters,
+    and returns the result as a QByteArray.
+
+    This function has no way of reporting errors; returning an empty
+    QByteArray() can mean either that no data was currently available
+    for reading, or that an error occurred.
+*/
+QByteArray QIODevice::readLine(qint64 maxSize)
+{
+    Q_D(QIODevice);
+    CHECK_MAXLEN(readLine, QByteArray());
+    QByteArray tmp;
+    const int BufferGrowth = 4096;
+    qint64 readSoFar = 0;
+    qint64 readBytes = 0;
+
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::readLine(%d), d->pos = %d, d->buffer.size() = %d\n",
+           this, int(maxSize), int(d->pos), int(d->buffer.size()));
+#else
+    Q_UNUSED(d);
+#endif
+
+    do {
+        if (maxSize != 0)
+            tmp.resize(int(readSoFar + qMin(int(maxSize), BufferGrowth)));
+        else
+            tmp.resize(int(readSoFar + BufferGrowth));
+        readBytes = readLine(tmp.data() + readSoFar, tmp.size() - readSoFar);
+        if (readBytes <= 0)
+            break;
+
+        readSoFar += readBytes;
+    } while ((!maxSize || readSoFar < maxSize) &&
+             readSoFar + 1 == tmp.size() &&   // +1 due to the ending null
+             tmp.at(readSoFar - 1) != '\n');
+
+    if (readSoFar == 0 && readBytes == -1)
+        tmp.clear();            // return Null if we found an error
+    else
+        tmp.resize(int(readSoFar));
+    return tmp;
+}
+
+/*!
+    Reads up to \a maxSize characters into \a data and returns the
+    number of characters read.
+
+    This function is called by readLine(), and provides its base
+    implementation, using getChar(). Buffered devices can improve the
+    performance of readLine() by reimplementing this function.
+
+    readLine() appends a '\0' byte to \a data; readLineData() does not
+    need to do this.
+
+    If you reimplement this function, be careful to return the correct
+    value: it should return the number of bytes read in this line,
+    including the terminating newline, or 0 if there is no line to be
+    read at this point. If an error occurs, it should return -1 if and
+    only if no bytes were read. Reading past EOF is considered an error.
+*/
+qint64 QIODevice::readLineData(char *data, qint64 maxSize)
+{
+    Q_D(QIODevice);
+    qint64 readSoFar = 0;
+    char c;
+    int lastReadReturn = 0;
+    d->baseReadLineDataCalled = true;
+
+    while (readSoFar < maxSize && (lastReadReturn = read(&c, 1)) == 1) {
+        *data++ = c;
+        ++readSoFar;
+        if (c == '\n')
+            break;
+    }
+
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::readLineData(%p, %d), d->pos = %d, d->buffer.size() = %d, returns %d\n",
+           this, data, int(maxSize), int(d->pos), int(d->buffer.size()), int(readSoFar));
+#endif
+    if (lastReadReturn != 1 && readSoFar == 0)
+        return isSequential() ? lastReadReturn : -1;
+    return readSoFar;
+}
+
+/*!
+    Returns true if a complete line of data can be read from the device;
+    otherwise returns false.
+
+    Note that unbuffered devices, which have no way of determining what
+    can be read, always return false.
+
+    This function is often called in conjunction with the readyRead()
+    signal.
+
+    Subclasses that reimplement this function must call the base
+    implementation in order to include the contents of the QIODevice's buffer. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qiodevice.cpp 3
+
+    \sa readyRead(), readLine()
+*/
+bool QIODevice::canReadLine() const
+{
+    return d_func()->buffer.canReadLine();
+}
+
+/*!
+    Writes at most \a maxSize bytes of data from \a data to the
+    device. Returns the number of bytes that were actually written, or
+    -1 if an error occurred.
+
+    \sa read() writeData()
+*/
+qint64 QIODevice::write(const char *data, qint64 maxSize)
+{
+    Q_D(QIODevice);
+    CHECK_WRITABLE(write, qint64(-1));
+    CHECK_MAXLEN(write, qint64(-1));
+
+    const bool sequential = d->isSequential();
+    // Make sure the device is positioned correctly.
+    if (d->pos != d->devicePos && !sequential && !seek(d->pos))
+        return qint64(-1);
+
+#ifdef Q_OS_WIN
+    if (d->openMode & Text) {
+        const char *endOfData = data + maxSize;
+        const char *startOfBlock = data;
+
+        qint64 writtenSoFar = 0;
+
+        forever {
+            const char *endOfBlock = startOfBlock;
+            while (endOfBlock < endOfData && *endOfBlock != '\n')
+                ++endOfBlock;
+
+            qint64 blockSize = endOfBlock - startOfBlock;
+            if (blockSize > 0) {
+                qint64 ret = writeData(startOfBlock, blockSize);
+                if (ret <= 0) {
+                    if (writtenSoFar && !sequential)
+                        d->buffer.skip(writtenSoFar);
+                    return writtenSoFar ? writtenSoFar : ret;
+                }
+                if (!sequential) {
+                    d->pos += ret;
+                    d->devicePos += ret;
+                }
+                writtenSoFar += ret;
+            }
+
+            if (endOfBlock == endOfData)
+                break;
+
+            qint64 ret = writeData("\r\n", 2);
+            if (ret <= 0) {
+                if (writtenSoFar && !sequential)
+                    d->buffer.skip(writtenSoFar);
+                return writtenSoFar ? writtenSoFar : ret;
+            }
+            if (!sequential) {
+                d->pos += ret;
+                d->devicePos += ret;
+            }
+            ++writtenSoFar;
+
+            startOfBlock = endOfBlock + 1;
+        }
+
+        if (writtenSoFar && !sequential)
+            d->buffer.skip(writtenSoFar);
+        return writtenSoFar;
+    }
+#endif
+
+    qint64 written = writeData(data, maxSize);
+    if (written > 0) {
+        if (!sequential) {
+            d->pos += written;
+            d->devicePos += written;
+        }
+        if (!d->buffer.isEmpty() && !sequential)
+            d->buffer.skip(written);
+    }
+    return written;
+}
+
+/*!
+    \since 4.5
+
+    \overload
+ 
+    Writes data from a zero-terminated string of 8-bit characters to the
+    device. Returns the number of bytes that were actually written, or
+    -1 if an error occurred. This is equivalent to
+    \code
+    ...
+    QIODevice::write(data, qstrlen(data));
+    ...
+    \endcode
+
+    \sa read() writeData()
+*/
+qint64 QIODevice::write(const char *data)
+{
+    return write(data, qstrlen(data));
+}
+
+/*! \fn qint64 QIODevice::write(const QByteArray &byteArray)
+
+    \overload
+
+    Writes the content of \a byteArray to the device. Returns the number of
+    bytes that were actually written, or -1 if an error occurred.
+
+    \sa read() writeData()
+*/
+
+/*!
+    Puts the character \a c back into the device, and decrements the
+    current position unless the position is 0. This function is
+    usually called to "undo" a getChar() operation, such as when
+    writing a backtracking parser.
+
+    If \a c was not previously read from the device, the behavior is
+    undefined.
+*/
+void QIODevice::ungetChar(char c)
+{
+    Q_D(QIODevice);
+    CHECK_READABLE(read, Q_VOID);
+
+#if defined QIODEVICE_DEBUG
+    printf("%p QIODevice::ungetChar(0x%hhx '%c')\n", this, c, isprint(c) ? c : '?');
+#endif
+
+    d->buffer.ungetChar(c);
+    if (!d->isSequential())
+        --d->pos;
+}
+
+/*! \fn bool QIODevice::putChar(char c)
+
+    Writes the character \a c to the device. Returns true on success;
+    otherwise returns false.
+
+    \sa write() getChar() ungetChar()
+*/
+bool QIODevice::putChar(char c)
+{
+    return d_func()->putCharHelper(c);
+}
+
+/*!
+    \internal
+*/
+bool QIODevicePrivate::putCharHelper(char c)
+{
+    return q_func()->write(&c, 1) == 1;
+}
+
+/*! \fn bool QIODevice::getChar(char *c)
+
+    Reads one character from the device and stores it in \a c. If \a c
+    is 0, the character is discarded. Returns true on success;
+    otherwise returns false.
+
+    \sa read() putChar() ungetChar()
+*/
+bool QIODevice::getChar(char *c)
+{
+    Q_D(QIODevice);
+    const OpenMode openMode = d->openMode;
+    if (!(openMode & ReadOnly)) {
+        if (openMode == NotOpen)
+            qWarning("QIODevice::getChar: Closed device");
+        else
+            qWarning("QIODevice::getChar: WriteOnly device");
+        return false;
+    }
+
+    // Shortcut for QIODevice::read(c, 1)
+    QRingBuffer *buffer = &d->buffer;
+    const int chint = buffer->getChar();
+    if (chint != -1) {
+        char ch = char(uchar(chint));
+        if ((openMode & Text) && ch == '\r') {
+            buffer->ungetChar(ch);
+        } else {
+            if (c)
+                *c = ch;
+            if (!d->isSequential())
+                ++d->pos;
+            return true;
+        }
+    }
+
+    // Fall back to read().
+    char ch;
+    if (read(&ch, 1) == 1) {
+        if (c)
+            *c = ch;
+        return true;
+    }
+    return false;
+}
+
+/*!
+    \since 4.1
+
+    Reads at most \a maxSize bytes from the device into \a data, without side
+    effects (i.e., if you call read() after peek(), you will get the same
+    data).  Returns the number of bytes read. If an error occurs, such as
+    when attempting to peek a device opened in WriteOnly mode, this function
+    returns -1.
+
+    0 is returned when no more data is available for reading.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qiodevice.cpp 4
+
+    \sa read()
+*/
+qint64 QIODevice::peek(char *data, qint64 maxSize)
+{
+    qint64 readBytes = read(data, maxSize);
+    int i = readBytes;
+    while (i > 0)
+        ungetChar(data[i-- - 1]);
+    return readBytes;
+}
+
+/*!
+    \since 4.1
+    \overload
+
+    Peeks at most \a maxSize bytes from the device, returning the data peeked
+    as a QByteArray.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qiodevice.cpp 5
+
+    This function has no way of reporting errors; returning an empty
+    QByteArray() can mean either that no data was currently available
+    for peeking, or that an error occurred.
+
+    \sa read()
+*/
+QByteArray QIODevice::peek(qint64 maxSize)
+{
+    QByteArray result = read(maxSize);
+    int i = result.size();
+    const char *data = result.constData();
+    while (i > 0)
+        ungetChar(data[i-- - 1]);
+    return result;
+}
+
+/*!
+    Blocks until data is available for reading and the readyRead()
+    signal has been emitted, or until \a msecs milliseconds have
+    passed. If msecs is -1, this function will not time out.
+
+    Returns true if data is available for reading; otherwise returns
+    false (if the operation timed out or if an error occurred).
+
+    This function can operate without an event loop. It is
+    useful when writing non-GUI applications and when performing
+    I/O operations in a non-GUI thread.
+
+    If called from within a slot connected to the readyRead() signal,
+    readyRead() will not be reemitted.
+
+    Reimplement this function to provide a blocking API for a custom
+    device. The default implementation does nothing, and returns false.
+
+    \warning Calling this function from the main (GUI) thread
+    might cause your user interface to freeze.
+
+    \sa waitForBytesWritten()
+*/
+bool QIODevice::waitForReadyRead(int msecs)
+{
+    Q_UNUSED(msecs);
+    return false;
+}
+
+/*!
+    For buffered devices, this function waits until a payload of
+    buffered written data has been written to the device and the
+    bytesWritten() signal has been emitted, or until \a msecs
+    milliseconds have passed. If msecs is -1, this function will
+    not time out. For unbuffered devices, it returns immediately.
+
+    Returns true if a payload of data was written to the device;
+    otherwise returns false (i.e. if the operation timed out, or if an
+    error occurred).
+
+    This function can operate without an event loop. It is
+    useful when writing non-GUI applications and when performing
+    I/O operations in a non-GUI thread.
+
+    If called from within a slot connected to the bytesWritten() signal,
+    bytesWritten() will not be reemitted.
+
+    Reimplement this function to provide a blocking API for a custom
+    device. The default implementation does nothing, and returns false.
+
+    \warning Calling this function from the main (GUI) thread
+    might cause your user interface to freeze.
+
+    \sa waitForReadyRead()
+*/
+bool QIODevice::waitForBytesWritten(int msecs)
+{
+    Q_UNUSED(msecs);
+    return false;
+}
+
+/*!
+    Sets the human readable description of the last device error that
+    occurred to \a str.
+
+    \sa errorString()
+*/
+void QIODevice::setErrorString(const QString &str)
+{
+    d_func()->errorString = str;
+}
+
+/*!
+    Returns a human-readable description of the last device error that
+    occurred.
+
+    \sa setErrorString()
+*/
+QString QIODevice::errorString() const
+{
+    Q_D(const QIODevice);
+    if (d->errorString.isEmpty()) {
+#ifdef QT_NO_QOBJECT
+        return QLatin1String(QT_TRANSLATE_NOOP(QIODevice, "Unknown error"));
+#else
+        return tr("Unknown error");
+#endif
+    }
+    return d->errorString;
+}
+
+/*!
+    \fn qint64 QIODevice::readData(char *data, qint64 maxSize)
+
+    Reads up to \a maxSize bytes from the device into \a data, and
+    returns the number of bytes read or -1 if an error occurred. If
+    there are no bytes to be read, this function should return -1 if
+    there can never be more bytes available (for example: socket
+    closed, pipe closed, sub-process finished).
+
+    This function is called by QIODevice. Reimplement this function
+    when creating a subclass of QIODevice.
+
+    \sa read() readLine() writeData()
+*/
+
+/*!
+    \fn qint64 QIODevice::writeData(const char *data, qint64 maxSize)
+
+    Writes up to \a maxSize bytes from \a data to the device. Returns
+    the number of bytes written, or -1 if an error occurred.
+
+    This function is called by QIODevice. Reimplement this function
+    when creating a subclass of QIODevice.
+
+    \sa read() write()
+*/
+
+/*!
+    \fn QIODevice::Offset QIODevice::status() const
+
+    For device specific error handling, please refer to the
+    individual device documentation.
+
+    \sa qobject_cast()
+*/
+
+/*!
+    \fn QIODevice::Offset QIODevice::at() const
+
+    Use pos() instead.
+*/
+
+/*!
+    \fn bool QIODevice::at(Offset offset)
+
+    Use seek(\a offset) instead.
+*/
+
+/*! \fn int QIODevice::flags() const
+
+    Use openMode() instead.
+*/
+
+/*! \fn int QIODevice::getch()
+
+    Use getChar() instead.
+*/
+
+/*!
+    \fn bool QIODevice::isAsynchronous() const
+
+    This functionality is no longer available. This function always
+    returns true.
+*/
+
+/*!
+    \fn bool QIODevice::isBuffered() const
+
+    Use !(openMode() & QIODevice::Unbuffered) instead.
+*/
+
+/*!
+    \fn bool QIODevice::isCombinedAccess() const
+
+    Use openMode() instead.
+*/
+
+/*!
+    \fn bool QIODevice::isDirectAccess() const
+
+    Use !isSequential() instead.
+*/
+
+/*!
+    \fn bool QIODevice::isInactive() const
+
+    Use isOpen(), isReadable(), or isWritable() instead.
+*/
+
+/*!
+    \fn bool QIODevice::isRaw() const
+
+    Use openMode() instead.
+*/
+
+/*!
+    \fn bool QIODevice::isSequentialAccess() const
+
+    Use isSequential() instead.
+*/
+
+/*!
+    \fn bool QIODevice::isSynchronous() const
+
+    This functionality is no longer available. This function always
+    returns false.
+*/
+
+/*!
+    \fn bool QIODevice::isTranslated() const
+
+    Use openMode() instead.
+*/
+
+/*!
+    \fn bool QIODevice::mode() const
+
+    Use openMode() instead.
+*/
+
+/*! \fn int QIODevice::putch(int ch)
+
+    Use putChar(\a ch) instead.
+*/
+
+/*! \fn int QIODevice::ungetch(int ch)
+
+    Use ungetChar(\a ch) instead.
+*/
+
+/*!
+    \fn quint64 QIODevice::readBlock(char *data, quint64 size)
+
+    Use read(\a data, \a size) instead.
+*/
+
+/*! \fn int QIODevice::state() const
+
+    Use isOpen() instead.
+*/
+
+/*!
+    \fn qint64 QIODevice::writeBlock(const char *data, quint64 size)
+
+    Use write(\a data, \a size) instead.
+*/
+
+/*!
+    \fn qint64 QIODevice::writeBlock(const QByteArray &data)
+
+    Use write(\a data) instead.
+*/
+
+#if defined QT3_SUPPORT
+QIODevice::Status QIODevice::status() const
+{
+#if !defined(QT_NO_QOBJECT)
+    const QFile *f = qobject_cast<const QFile *>(this);
+    if (f) return (int) f->error();
+#endif
+    return isOpen() ? 0 /* IO_Ok */ : 8 /* IO_UnspecifiedError */;
+}
+
+/*!
+    For device specific error handling, please refer to the
+    individual device documentation.
+
+    \sa qobject_cast()
+*/
+void QIODevice::resetStatus()
+{
+#if !defined(QT_NO_QOBJECT)
+    QFile *f = qobject_cast<QFile *>(this);
+    if (f) f->unsetError();
+#endif
+}
+#endif
+
+#if !defined(QT_NO_DEBUG_STREAM)
+QDebug operator<<(QDebug debug, QIODevice::OpenMode modes)
+{
+    debug << "OpenMode(";
+    QStringList modeList;
+    if (modes == QIODevice::NotOpen) {
+        modeList << QLatin1String("NotOpen");
+    } else {
+        if (modes & QIODevice::ReadOnly)
+            modeList << QLatin1String("ReadOnly");
+        if (modes & QIODevice::WriteOnly)
+            modeList << QLatin1String("WriteOnly");
+        if (modes & QIODevice::Append)
+            modeList << QLatin1String("Append");
+        if (modes & QIODevice::Truncate)
+            modeList << QLatin1String("Truncate");
+        if (modes & QIODevice::Text)
+            modeList << QLatin1String("Text");
+        if (modes & QIODevice::Unbuffered)
+            modeList << QLatin1String("Unbuffered");
+    }
+    qSort(modeList);
+    debug << modeList.join(QLatin1String("|"));
+    debug << ")";
+    return debug;
+}
+#endif
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qiodevice.h b/src/corelib/io/qiodevice.h
new file mode 100644
index 0000000000..76d47ca48b
--- /dev/null
+++ b/src/corelib/io/qiodevice.h
@@ -0,0 +1,253 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QIODEVICE_H
+#define QIODEVICE_H
+
+#ifndef QT_NO_QOBJECT
+#include <QtCore/qobject.h>
+#else
+#include <QtCore/qobjectdefs.h>
+#endif
+#include <QtCore/qstring.h>
+
+#ifdef open
+#error qiodevice.h must be included before any header file that defines open
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QByteArray;
+class QIODevicePrivate;
+
+class Q_CORE_EXPORT QIODevice
+#ifndef QT_NO_QOBJECT
+    : public QObject
+#endif
+{
+#ifndef QT_NO_QOBJECT
+    Q_OBJECT
+#endif
+public:
+    enum OpenModeFlag {
+        NotOpen = 0x0000,
+        ReadOnly = 0x0001,
+        WriteOnly = 0x0002,
+        ReadWrite = ReadOnly | WriteOnly,
+        Append = 0x0004,
+        Truncate = 0x0008,
+        Text = 0x0010,
+        Unbuffered = 0x0020
+    };
+    Q_DECLARE_FLAGS(OpenMode, OpenModeFlag)
+
+    QIODevice();
+#ifndef QT_NO_QOBJECT
+    explicit QIODevice(QObject *parent);
+#endif
+    virtual ~QIODevice();
+
+    OpenMode openMode() const;
+
+    void setTextModeEnabled(bool enabled);
+    bool isTextModeEnabled() const;
+
+    bool isOpen() const;
+    bool isReadable() const;
+    bool isWritable() const;
+    virtual bool isSequential() const;
+
+    virtual bool open(OpenMode mode);
+    virtual void close();
+
+    // ### Qt 5: pos() and seek() should not be virtual, and
+    // ### seek() should call a virtual seekData() function.
+    virtual qint64 pos() const;
+    virtual qint64 size() const;
+    virtual bool seek(qint64 pos);
+    virtual bool atEnd() const;
+    virtual bool reset();
+
+    virtual qint64 bytesAvailable() const;
+    virtual qint64 bytesToWrite() const;
+
+    qint64 read(char *data, qint64 maxlen);
+    QByteArray read(qint64 maxlen);
+    QByteArray readAll();
+    qint64 readLine(char *data, qint64 maxlen);
+    QByteArray readLine(qint64 maxlen = 0);
+    virtual bool canReadLine() const;
+
+    qint64 write(const char *data, qint64 len);
+    qint64 write(const char *data);
+    inline qint64 write(const QByteArray &data)
+    { return write(data.constData(), data.size()); }
+
+    qint64 peek(char *data, qint64 maxlen);
+    QByteArray peek(qint64 maxlen);
+
+    virtual bool waitForReadyRead(int msecs);
+    virtual bool waitForBytesWritten(int msecs);
+
+    void ungetChar(char c);
+    bool putChar(char c);
+    bool getChar(char *c);
+
+    QString errorString() const;
+
+#ifndef QT_NO_QOBJECT
+Q_SIGNALS:
+    void readyRead();
+    void bytesWritten(qint64 bytes);
+    void aboutToClose();
+    void readChannelFinished();
+#endif
+
+protected:
+#ifdef QT_NO_QOBJECT
+    QIODevice(QIODevicePrivate &dd);
+#else
+    QIODevice(QIODevicePrivate &dd, QObject *parent = 0);
+#endif
+    virtual qint64 readData(char *data, qint64 maxlen) = 0;
+    virtual qint64 readLineData(char *data, qint64 maxlen);
+    virtual qint64 writeData(const char *data, qint64 len) = 0;
+
+    void setOpenMode(OpenMode openMode);
+
+    void setErrorString(const QString &errorString);
+
+#ifdef QT_NO_QOBJECT
+    QIODevicePrivate *d_ptr;
+#endif
+
+private:
+    Q_DECLARE_PRIVATE(QIODevice)
+    Q_DISABLE_COPY(QIODevice)
+
+#ifdef QT3_SUPPORT
+public:
+    typedef qint64 Offset;
+
+    inline QT3_SUPPORT int flags() const { return static_cast<int>(openMode()); }
+    inline QT3_SUPPORT int mode() const { return static_cast<int>(openMode()); }
+    inline QT3_SUPPORT int state() const;
+
+    inline QT3_SUPPORT bool isDirectAccess() const { return !isSequential(); }
+    inline QT3_SUPPORT bool isSequentialAccess() const { return isSequential(); }
+    inline QT3_SUPPORT bool isCombinedAccess() const { return false; }
+    inline QT3_SUPPORT bool isBuffered() const { return true; }
+    inline QT3_SUPPORT bool isRaw() const { return false; }
+    inline QT3_SUPPORT bool isSynchronous() const { return true; }
+    inline QT3_SUPPORT bool isAsynchronous() const { return false; }
+    inline QT3_SUPPORT bool isTranslated() const { return (openMode() & Text) != 0; }
+    inline QT3_SUPPORT bool isInactive() const { return !isOpen(); }
+
+    typedef int Status;
+    QT3_SUPPORT Status status() const;
+    QT3_SUPPORT void resetStatus();
+
+    inline QT3_SUPPORT Offset at() const { return pos(); }
+    inline QT3_SUPPORT bool at(Offset offset) { return seek(offset); }
+
+    inline QT3_SUPPORT qint64 readBlock(char *data, quint64 maxlen) { return read(data, maxlen); }
+    inline QT3_SUPPORT qint64 writeBlock(const char *data, quint64 len) { return write(data, len); }
+    inline QT3_SUPPORT qint64 writeBlock(const QByteArray &data) { return write(data); }
+
+    inline QT3_SUPPORT int getch() { char c; return getChar(&c) ? int(uchar(c)) : -1; }
+    inline QT3_SUPPORT int putch(int c) { return putChar(c) ? int(uchar(c)) : -1; }
+    inline QT3_SUPPORT int ungetch(int c) { ungetChar(uchar(c)); return c; }
+#endif
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QIODevice::OpenMode)
+
+#ifdef QT3_SUPPORT
+static QT3_SUPPORT_VARIABLE const uint IO_Direct = 0x0100;
+static QT3_SUPPORT_VARIABLE const uint IO_Sequential = 0x0200;
+static QT3_SUPPORT_VARIABLE const uint IO_Combined = 0x0300;
+static QT3_SUPPORT_VARIABLE const uint IO_TypeMask = 0x0300;
+
+static QT3_SUPPORT_VARIABLE const uint IO_Raw = 0x0000;
+static QT3_SUPPORT_VARIABLE const uint IO_Async = 0x0000;
+
+#define IO_ReadOnly QIODevice::ReadOnly
+#define IO_WriteOnly QIODevice::WriteOnly
+#define IO_ReadWrite QIODevice::ReadWrite
+#define IO_Append QIODevice::Append
+#define IO_Truncate QIODevice::Truncate
+#define IO_Translate QIODevice::Text
+#define IO_ModeMask 0x00ff
+
+static QT3_SUPPORT_VARIABLE const uint IO_Open = 0x1000;
+static QT3_SUPPORT_VARIABLE const uint IO_StateMask = 0xf000;
+
+static QT3_SUPPORT_VARIABLE const uint IO_Ok = 0;
+static QT3_SUPPORT_VARIABLE const uint IO_ReadError = 1;
+static QT3_SUPPORT_VARIABLE const uint IO_WriteError = 2;
+static QT3_SUPPORT_VARIABLE const uint IO_FatalError = 3;
+static QT3_SUPPORT_VARIABLE const uint IO_ResourceError = 4;
+static QT3_SUPPORT_VARIABLE const uint IO_OpenError = 5;
+static QT3_SUPPORT_VARIABLE const uint IO_ConnectError = 5;
+static QT3_SUPPORT_VARIABLE const uint IO_AbortError = 6;
+static QT3_SUPPORT_VARIABLE const uint IO_TimeOutError = 7;
+static QT3_SUPPORT_VARIABLE const uint IO_UnspecifiedError	= 8;
+
+inline QT3_SUPPORT int QIODevice::state() const
+{
+    return isOpen() ? 0x1000 : 0;
+}
+#endif
+
+#if !defined(QT_NO_DEBUG_STREAM)
+class QDebug;
+Q_CORE_EXPORT QDebug operator<<(QDebug debug, QIODevice::OpenMode modes);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QIODEVICE_H
diff --git a/src/corelib/io/qiodevice_p.h b/src/corelib/io/qiodevice_p.h
new file mode 100644
index 0000000000..b996225970
--- /dev/null
+++ b/src/corelib/io/qiodevice_p.h
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QIODEVICE_P_H
+#define QIODEVICE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of QIODevice. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qiodevice.h"
+#include "QtCore/qbytearray.h"
+#include "QtCore/qobjectdefs.h"
+#include "QtCore/qstring.h"
+#include "private/qringbuffer_p.h"
+#ifndef QT_NO_QOBJECT
+#include "private/qobject_p.h"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QIODevicePrivate
+#ifndef QT_NO_QOBJECT
+    : public QObjectPrivate
+#endif
+{
+    Q_DECLARE_PUBLIC(QIODevice)
+
+public:
+    QIODevicePrivate();
+    virtual ~QIODevicePrivate();
+
+    QIODevice::OpenMode openMode;
+    QString errorString;
+
+    QRingBuffer buffer;
+    qint64 pos;
+    qint64 devicePos;
+    bool baseReadLineDataCalled;
+
+    virtual bool putCharHelper(char c);
+
+    enum AccessMode {
+        Unset,
+        Sequential,
+        RandomAccess
+    };
+    mutable AccessMode accessMode;
+    inline bool isSequential() const
+    {
+        if (accessMode == Unset)
+            accessMode = q_func()->isSequential() ? Sequential : RandomAccess;
+        return accessMode == Sequential;
+    }
+    
+
+#ifdef QT_NO_QOBJECT
+    QIODevice *q_ptr;
+#endif
+};
+
+QT_END_NAMESPACE
+
+#endif // QIODEVICE_P_H
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
new file mode 100644
index 0000000000..759d47371c
--- /dev/null
+++ b/src/corelib/io/qprocess.cpp
@@ -0,0 +1,1918 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//#define QPROCESS_DEBUG
+
+#if defined QPROCESS_DEBUG
+#include <qdebug.h>
+#include <qstring.h>
+#include <ctype.h>
+#if !defined(Q_OS_WINCE)
+#include <errno.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+/*
+    Returns a human readable representation of the first \a len
+    characters in \a data.
+*/
+static QByteArray qt_prettyDebug(const char *data, int len, int maxSize)
+{
+    if (!data) return "(null)";
+    QByteArray out;
+    for (int i = 0; i < len && i < maxSize; ++i) {
+        char c = data[i];
+        if (isprint(c)) {
+            out += c;
+        } else switch (c) {
+        case '\n': out += "\\n"; break;
+        case '\r': out += "\\r"; break;
+        case '\t': out += "\\t"; break;
+        default:
+            char buf[5];
+            qsnprintf(buf, sizeof(buf), "\\%3o", c);
+            buf[4] = '\0';
+            out += QByteArray(buf);
+        }
+    }
+
+    if (len < maxSize)
+        out += "...";
+
+    return out;
+}
+
+QT_END_NAMESPACE
+
+#endif
+
+#include "qprocess.h"
+#include "qprocess_p.h"
+
+#include <qbytearray.h>
+#include <qdatetime.h>
+#include <qcoreapplication.h>
+#include <qsocketnotifier.h>
+#include <qtimer.h>
+
+#ifdef Q_WS_WIN
+#include <private/qwineventnotifier_p.h>
+#endif
+
+#ifndef QT_NO_PROCESS
+
+QT_BEGIN_NAMESPACE
+
+static QHash<QString, QString> environmentHashFromList(const QStringList &environment)
+{
+    QHash<QString, QString> result;
+    QStringList::ConstIterator it = environment.constBegin(),
+                              end = environment.constEnd();
+    for ( ; it != end; ++it) {
+        int equals = it->indexOf(QLatin1Char('='));
+
+        QString name = *it;
+        QString value;
+        if (equals != -1) {
+            name.truncate(equals);
+#ifdef Q_OS_WIN
+            name = name.toUpper();
+#endif
+            value = it->mid(equals + 1);
+        }
+        result.insert(name, value);
+    }
+
+    return result;
+}
+
+void QProcessPrivate::Channel::clear()
+{
+    switch (type) {
+    case PipeSource:
+        Q_ASSERT(process);
+        process->stdinChannel.type = Normal;
+        process->stdinChannel.process = 0;
+        break;
+    case PipeSink:
+        Q_ASSERT(process);
+        process->stdoutChannel.type = Normal;
+        process->stdoutChannel.process = 0;
+        break;
+    }
+
+    type = Normal;
+    file.clear();
+    process = 0;
+}
+
+/*!
+    \class QProcess
+
+    \brief The QProcess class is used to start external programs and
+    to communicate with them.
+
+    \ingroup io
+    \ingroup misc
+    \mainclass
+    \reentrant
+
+    To start a process, pass the name and command line arguments of
+    the program you want to run as arguments to start(). For example:
+
+    \snippet doc/src/snippets/qprocess/qprocess-simpleexecution.cpp 0
+    \dots
+    \snippet doc/src/snippets/qprocess/qprocess-simpleexecution.cpp 1
+    \snippet doc/src/snippets/qprocess/qprocess-simpleexecution.cpp 2
+
+    QProcess then enters the \l Starting state, and when the program
+    has started, QProcess enters the \l Running state and emits
+    started().
+
+    QProcess allows you to treat a process as a sequential I/O
+    device. You can write to and read from the process just as you
+    would access a network connection using QTcpSocket. You can then
+    write to the process's standard input by calling write(), and
+    read the standard output by calling read(), readLine(), and
+    getChar(). Because it inherits QIODevice, QProcess can also be
+    used as an input source for QXmlReader, or for generating data to
+    be uploaded using QFtp.
+
+    \note On Windows CE, reading and writing to a process is not supported.
+
+    When the process exits, QProcess reenters the \l NotRunning state
+    (the initial state), and emits finished().
+
+    The finished() signal provides the exit code and exit status of
+    the process as arguments, and you can also call exitCode() to
+    obtain the exit code of the last process that finished, and
+    exitStatus() to obtain its exit status. If an error occurs at
+    any point in time, QProcess will emit the error() signal. You
+    can also call error() to find the type of error that occurred
+    last, and state() to find the current process state.
+
+    \section1 Communicating via Channels
+
+    Processes have two predefined output channels: The standard
+    output channel (\c stdout) supplies regular console output, and
+    the standard error channel (\c stderr) usually supplies the
+    errors that are printed by the process. These channels represent
+    two separate streams of data. You can toggle between them by
+    calling setReadChannel(). QProcess emits readyRead() when data is
+    available on the current read channel. It also emits
+    readyReadStandardOutput() when new standard output data is
+    available, and when new standard error data is available,
+    readyReadStandardError() is emitted. Instead of calling read(),
+    readLine(), or getChar(), you can explicitly read all data from
+    either of the two channels by calling readAllStandardOutput() or
+    readAllStandardError().
+
+    The terminology for the channels can be misleading. Be aware that
+    the process's output channels correspond to QProcess's
+    \e read channels, whereas the process's input channels correspond
+    to QProcess's \e write channels. This is because what we read
+    using QProcess is the process's output, and what we write becomes
+    the process's input.
+
+    QProcess can merge the two output channels, so that standard
+    output and standard error data from the running process both use
+    the standard output channel. Call setProcessChannelMode() with
+    MergedChannels before starting the process to activative
+    this feature. You also have the option of forwarding the output of
+    the running process to the calling, main process, by passing
+    ForwardedChannels as the argument.
+
+    Certain processes need special environment settings in order to
+    operate. You can set environment variables for your process by
+    calling setEnvironment(). To set a working directory, call
+    setWorkingDirectory(). By default, processes are run in the
+    current working directory of the calling process.
+
+    \section1 Synchronous Process API
+
+    QProcess provides a set of functions which allow it to be used
+    without an event loop, by suspending the calling thread until
+    certain signals are emitted:
+
+    \list
+    \o waitForStarted() blocks until the process has started.
+
+    \o waitForReadyRead() blocks until new data is
+    available for reading on the current read channel.
+
+    \o waitForBytesWritten() blocks until one payload of
+    data has been written to the process.
+
+    \o waitForFinished() blocks until the process has finished.
+    \endlist
+
+    Calling these functions from the main thread (the thread that
+    calls QApplication::exec()) may cause your user interface to
+    freeze.
+
+    The following example runs \c gzip to compress the string "Qt
+    rocks!", without an event loop:
+
+    \snippet doc/src/snippets/process/process.cpp 0
+
+    \section1 Notes for Windows Users 
+
+    Some Windows commands (for example, \c dir) are not provided by
+    separate applications, but by the command interpreter itself.
+    If you attempt to use QProcess to execute these commands directly,
+    it won't work. One possible solution is to execute the command
+    interpreter itself (\c{cmd.exe} on some Windows systems), and ask
+    the interpreter to execute the desired command.
+
+    \sa QBuffer, QFile, QTcpSocket
+*/
+
+/*!
+    \enum QProcess::ProcessChannel
+
+    This enum describes the process channels used by the running process.
+    Pass one of these values to setReadChannel() to set the
+    current read channel of QProcess.
+
+    \value StandardOutput The standard output (stdout) of the running
+           process.
+
+    \value StandardError The standard error (stderr) of the running
+           process.
+
+    \sa setReadChannel()
+*/
+
+/*!
+    \enum QProcess::ProcessChannelMode
+
+    This enum describes the process channel modes of QProcess. Pass
+    one of these values to setProcessChannelMode() to set the
+    current read channel mode.
+
+    \value SeparateChannels QProcess manages the output of the
+    running process, keeping standard output and standard error data
+    in separate internal buffers. You can select the QProcess's
+    current read channel by calling setReadChannel(). This is the
+    default channel mode of QProcess.
+
+    \value MergedChannels QProcess merges the output of the running
+    process into the standard output channel (\c stdout). The
+    standard error channel (\c stderr) will not receive any data. The
+    standard output and standard error data of the running process
+    are interleaved.
+
+    \value ForwardedChannels QProcess forwards the output of the
+    running process onto the main process. Anything the child process
+    writes to its standard output and standard error will be written
+    to the standard output and standard error of the main process.
+
+    \sa setReadChannelMode()
+*/
+
+/*!
+    \enum QProcess::ProcessError
+
+    This enum describes the different types of errors that are
+    reported by QProcess.
+
+    \value FailedToStart The process failed to start. Either the
+    invoked program is missing, or you may have insufficient
+    permissions to invoke the program.
+
+    \value Crashed The process crashed some time after starting
+    successfully.
+
+    \value Timedout The last waitFor...() function timed out. The
+    state of QProcess is unchanged, and you can try calling
+    waitFor...() again.
+
+    \value WriteError An error occurred when attempting to write to the
+    process. For example, the process may not be running, or it may
+    have closed its input channel.
+
+    \value ReadError An error occurred when attempting to read from
+    the process. For example, the process may not be running.
+
+    \value UnknownError An unknown error occurred. This is the default
+    return value of error().
+
+    \sa error()
+*/
+
+/*!
+    \enum QProcess::ProcessState
+
+    This enum describes the different states of QProcess.
+
+    \value NotRunning The process is not running.
+
+    \value Starting The process is starting, but the program has not
+    yet been invoked.
+
+    \value Running The process is running and is ready for reading and
+    writing.
+
+    \sa state()
+*/
+
+/*!
+    \enum QProcess::ExitStatus
+
+    This enum describes the different exit statuses of QProcess.
+
+    \value NormalExit The process exited normally.
+
+    \value CrashExit The process crashed.
+
+    \sa exitStatus()
+*/
+
+/*!
+    \fn void QProcess::error(QProcess::ProcessError error)
+
+    This signal is emitted when an error occurs with the process. The
+    specified \a error describes the type of error that occurred.
+*/
+
+/*!
+    \fn void QProcess::started()
+
+    This signal is emitted by QProcess when the process has started,
+    and state() returns \l Running.
+*/
+
+/*!
+    \fn void QProcess::stateChanged(QProcess::ProcessState newState)
+
+    This signal is emitted whenever the state of QProcess changes. The
+    \a newState argument is the state QProcess changed to.
+*/
+
+/*!
+    \fn void QProcess::finished(int exitCode)
+    \obsolete
+    \overload
+
+    Use finished(int exitCode, QProcess::ExitStatus status) instead.
+*/
+
+/*!
+    \fn void QProcess::finished(int exitCode, QProcess::ExitStatus exitStatus)
+
+    This signal is emitted when the process finishes. \a exitCode is the exit
+    code of the process, and \a exitStatus is the exit status.  After the
+    process has finished, the buffers in QProcess are still intact. You can
+    still read any data that the process may have written before it finished.
+
+    \sa exitStatus()
+*/
+
+/*!
+    \fn void QProcess::readyReadStandardOutput()
+
+    This signal is emitted when the process has made new data
+    available through its standard output channel (\c stdout). It is
+    emitted regardless of the current \l{readChannel()}{read channel}.
+
+    \sa readAllStandardOutput(), readChannel()
+*/
+
+/*!
+    \fn void QProcess::readyReadStandardError()
+
+    This signal is emitted when the process has made new data
+    available through its standard error channel (\c stderr). It is
+    emitted regardless of the current \l{readChannel()}{read
+    channel}.
+
+    \sa readAllStandardError(), readChannel()
+*/
+
+/*! \internal
+*/
+QProcessPrivate::QProcessPrivate()
+{
+    processChannel = QProcess::StandardOutput;
+    processChannelMode = QProcess::SeparateChannels;
+    processError = QProcess::UnknownError;
+    processState = QProcess::NotRunning;
+    pid = 0;
+    sequenceNumber = 0;
+    exitCode = 0;
+    exitStatus = QProcess::NormalExit;
+    environment = 0;
+    startupSocketNotifier = 0;
+    deathNotifier = 0;
+    notifier = 0;
+    pipeWriter = 0;
+    childStartedPipe[0] = INVALID_Q_PIPE;
+    childStartedPipe[1] = INVALID_Q_PIPE;
+    deathPipe[0] = INVALID_Q_PIPE;
+    deathPipe[1] = INVALID_Q_PIPE;
+    exitCode = 0;
+    crashed = false;
+    dying = false;
+    emittedReadyRead = false;
+    emittedBytesWritten = false;
+#ifdef Q_WS_WIN
+    pipeWriter = 0;
+    processFinishedNotifier = 0;
+#endif // Q_WS_WIN
+#ifdef Q_OS_UNIX
+    serial = 0;
+#endif
+}
+
+/*! \internal
+*/
+QProcessPrivate::~QProcessPrivate()
+{
+    delete environment;
+    if (stdinChannel.process)
+        stdinChannel.process->stdoutChannel.clear();
+    if (stdoutChannel.process)
+        stdoutChannel.process->stdinChannel.clear();
+}
+
+/*! \internal
+*/
+void QProcessPrivate::cleanup()
+{
+    q_func()->setProcessState(QProcess::NotRunning);
+#ifdef Q_OS_WIN
+    if (pid) {
+        CloseHandle(pid->hThread);
+        CloseHandle(pid->hProcess);
+        delete pid;
+        pid = 0;
+    }
+    if (processFinishedNotifier) {
+        processFinishedNotifier->setEnabled(false);
+        qDeleteInEventHandler(processFinishedNotifier);
+        processFinishedNotifier = 0;
+    }
+
+#endif
+    pid = 0;
+    sequenceNumber = 0;
+    dying = false;
+
+    if (stdoutChannel.notifier) {
+        stdoutChannel.notifier->setEnabled(false);
+        qDeleteInEventHandler(stdoutChannel.notifier);
+        stdoutChannel.notifier = 0;
+    }
+    if (stderrChannel.notifier) {
+        stderrChannel.notifier->setEnabled(false);
+        qDeleteInEventHandler(stderrChannel.notifier);
+        stderrChannel.notifier = 0;
+    }
+    if (stdinChannel.notifier) {
+        stdinChannel.notifier->setEnabled(false);
+        qDeleteInEventHandler(stdinChannel.notifier);
+        stdinChannel.notifier = 0;
+    }
+    if (startupSocketNotifier) {
+        startupSocketNotifier->setEnabled(false);
+        qDeleteInEventHandler(startupSocketNotifier);
+        startupSocketNotifier = 0;
+    }
+    if (deathNotifier) {
+        deathNotifier->setEnabled(false);
+        qDeleteInEventHandler(deathNotifier);
+        deathNotifier = 0;
+    }
+    if (notifier) {
+        qDeleteInEventHandler(notifier);
+        notifier = 0;
+    }
+    destroyPipe(stdoutChannel.pipe);
+    destroyPipe(stderrChannel.pipe);
+    destroyPipe(stdinChannel.pipe);
+    destroyPipe(childStartedPipe);
+    destroyPipe(deathPipe);
+#ifdef Q_OS_UNIX
+    serial = 0;
+#endif
+}
+
+/*! \internal
+*/
+bool QProcessPrivate::_q_canReadStandardOutput()
+{
+    Q_Q(QProcess);
+    qint64 available = bytesAvailableFromStdout();
+    if (available == 0) {
+        if (stdoutChannel.notifier)
+            stdoutChannel.notifier->setEnabled(false);
+        destroyPipe(stdoutChannel.pipe);
+#if defined QPROCESS_DEBUG
+        qDebug("QProcessPrivate::canReadStandardOutput(), 0 bytes available");
+#endif
+        return false;
+    }
+
+    char *ptr = outputReadBuffer.reserve(available);
+    qint64 readBytes = readFromStdout(ptr, available);
+    if (readBytes == -1) {
+        processError = QProcess::ReadError;
+        q->setErrorString(QProcess::tr("Error reading from process"));
+        emit q->error(processError);
+#if defined QPROCESS_DEBUG
+        qDebug("QProcessPrivate::canReadStandardOutput(), failed to read from the process");
+#endif
+        return false;
+    }
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::canReadStandardOutput(), read %d bytes from the process' output",
+            int(readBytes));
+#endif
+
+    if (stdoutChannel.closed) {
+        outputReadBuffer.chop(readBytes);
+        return false;
+    }
+
+    outputReadBuffer.chop(available - readBytes);
+
+    bool didRead = false;
+    if (readBytes == 0) {
+        if (stdoutChannel.notifier)
+            stdoutChannel.notifier->setEnabled(false);
+    } else if (processChannel == QProcess::StandardOutput) {
+        didRead = true;
+        if (!emittedReadyRead) {
+            emittedReadyRead = true;
+            emit q->readyRead();
+            emittedReadyRead = false;
+        }
+    }
+    emit q->readyReadStandardOutput();
+    return didRead;
+}
+
+/*! \internal
+*/
+bool QProcessPrivate::_q_canReadStandardError()
+{
+    Q_Q(QProcess);
+    qint64 available = bytesAvailableFromStderr();
+    if (available == 0) {
+        if (stderrChannel.notifier)
+            stderrChannel.notifier->setEnabled(false);
+        destroyPipe(stderrChannel.pipe);
+        return false;
+    }
+
+    char *ptr = errorReadBuffer.reserve(available);
+    qint64 readBytes = readFromStderr(ptr, available);
+    if (readBytes == -1) {
+        processError = QProcess::ReadError;
+        q->setErrorString(QProcess::tr("Error reading from process"));
+        emit q->error(processError);
+        return false;
+    }
+    if (stderrChannel.closed) {
+        errorReadBuffer.chop(readBytes);
+        return false;
+    }
+
+    errorReadBuffer.chop(available - readBytes);
+
+    bool didRead = false;
+    if (readBytes == 0) {
+        if (stderrChannel.notifier)
+            stderrChannel.notifier->setEnabled(false);
+    } else if (processChannel == QProcess::StandardError) {
+        didRead = true;
+        if (!emittedReadyRead) {
+            emittedReadyRead = true;
+            emit q->readyRead();
+            emittedReadyRead = false;
+        }
+    }
+    emit q->readyReadStandardError();
+    return didRead;
+}
+
+/*! \internal
+*/
+bool QProcessPrivate::_q_canWrite()
+{
+    Q_Q(QProcess);
+    if (stdinChannel.notifier)
+        stdinChannel.notifier->setEnabled(false);
+
+    if (writeBuffer.isEmpty()) {
+#if defined QPROCESS_DEBUG
+        qDebug("QProcessPrivate::canWrite(), not writing anything (empty write buffer).");
+#endif
+        return false;
+    }
+
+    qint64 written = writeToStdin(writeBuffer.readPointer(),
+                                      writeBuffer.nextDataBlockSize());
+    if (written < 0) {
+        destroyPipe(stdinChannel.pipe);
+        processError = QProcess::WriteError;
+        q->setErrorString(QProcess::tr("Error writing to process"));
+#if defined(QPROCESS_DEBUG) && !defined(Q_OS_WINCE)
+        qDebug("QProcessPrivate::canWrite(), failed to write (%s)", strerror(errno));
+#endif
+        emit q->error(processError);
+        return false;
+    }
+
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::canWrite(), wrote %d bytes to the process input", int(written));
+#endif
+
+    writeBuffer.free(written);
+    if (!emittedBytesWritten) {
+        emittedBytesWritten = true;
+        emit q->bytesWritten(written);
+        emittedBytesWritten = false;
+    }
+    if (stdinChannel.notifier && !writeBuffer.isEmpty())
+        stdinChannel.notifier->setEnabled(true);
+    if (writeBuffer.isEmpty() && stdinChannel.closed)
+        closeWriteChannel();
+    return true;
+}
+
+/*! \internal
+*/
+bool QProcessPrivate::_q_processDied()
+{
+    Q_Q(QProcess);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::_q_processDied()");
+#endif
+#ifdef Q_OS_UNIX
+    if (!waitForDeadChild())
+        return false;
+#endif
+#ifdef Q_OS_WIN
+    if (processFinishedNotifier)
+        processFinishedNotifier->setEnabled(false);
+#endif
+
+    // the process may have died before it got a chance to report that it was
+    // either running or stopped, so we will call _q_startupNotification() and
+    // give it a chance to emit started() or error(FailedToStart).
+    if (processState == QProcess::Starting) {
+        if (!_q_startupNotification())
+            return true;
+    }
+
+    if (dying) {
+        // at this point we know the process is dead. prevent
+        // reentering this slot recursively by calling waitForFinished()
+        // or opening a dialog inside slots connected to the readyRead
+        // signals emitted below.
+        return true;
+    }
+    dying = true;
+
+    // in case there is data in the pipe line and this slot by chance
+    // got called before the read notifications, call these two slots
+    // so the data is made available before the process dies.
+    _q_canReadStandardOutput();
+    _q_canReadStandardError();
+
+    findExitCode();
+
+    if (crashed) {
+        exitStatus = QProcess::CrashExit;
+        processError = QProcess::Crashed;
+        q->setErrorString(QProcess::tr("Process crashed"));
+        emit q->error(processError);
+    }
+
+    bool wasRunning = (processState == QProcess::Running);
+
+    cleanup();
+
+    if (wasRunning) {
+        // we received EOF now:
+        emit q->readChannelFinished();
+        // in the future:
+        //emit q->standardOutputClosed();
+        //emit q->standardErrorClosed();
+
+        emit q->finished(exitCode);
+        emit q->finished(exitCode, exitStatus);
+    }
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::_q_processDied() process is dead");
+#endif
+    return true;
+}
+
+/*! \internal
+*/
+bool QProcessPrivate::_q_startupNotification()
+{
+    Q_Q(QProcess);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::startupNotification()");
+#endif
+
+    if (startupSocketNotifier)
+        startupSocketNotifier->setEnabled(false);
+    if (processStarted()) {
+        q->setProcessState(QProcess::Running);
+        emit q->started();
+        return true;
+    }
+
+    q->setProcessState(QProcess::NotRunning);
+    processError = QProcess::FailedToStart;
+    emit q->error(processError);
+#ifdef Q_OS_UNIX
+    // make sure the process manager removes this entry
+    waitForDeadChild();
+    findExitCode();
+#endif
+    cleanup();
+    return false;
+}
+
+/*! \internal
+*/
+void QProcessPrivate::closeWriteChannel()
+{
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::closeWriteChannel()");
+#endif
+    if (stdinChannel.notifier) {
+        extern void qDeleteInEventHandler(QObject *o);
+        stdinChannel.notifier->setEnabled(false);
+        if (stdinChannel.notifier) {
+            qDeleteInEventHandler(stdinChannel.notifier);
+            stdinChannel.notifier = 0;
+        } 
+    }
+#ifdef Q_OS_WIN
+    // ### Find a better fix, feeding the process little by little
+    // instead.
+    flushPipeWriter();
+#endif
+    destroyPipe(stdinChannel.pipe);
+}
+
+/*!
+    Constructs a QProcess object with the given \a parent.
+*/
+QProcess::QProcess(QObject *parent)
+    : QIODevice(*new QProcessPrivate, parent)
+{
+#if defined QPROCESS_DEBUG
+    qDebug("QProcess::QProcess(%p)", parent);
+#endif
+}
+
+/*!
+    Destructs the QProcess object, i.e., killing the process.
+
+    Note that this function will not return until the process is
+    terminated.
+*/
+QProcess::~QProcess()
+{
+    Q_D(QProcess);
+    if (d->processState != NotRunning) {
+        qWarning("QProcess: Destroyed while process is still running.");
+        kill();
+        waitForFinished();
+    }
+#ifdef Q_OS_UNIX
+    // make sure the process manager removes this entry
+    d->findExitCode();
+#endif
+    d->cleanup();
+}
+
+/*!
+    \obsolete
+    Returns the read channel mode of the QProcess. This function is
+    equivalent to processChannelMode()
+
+    \sa processChannelMode()
+*/
+QProcess::ProcessChannelMode QProcess::readChannelMode() const
+{
+    return processChannelMode();
+}
+
+/*!
+    \obsolete
+
+    Use setProcessChannelMode(\a mode) instead.
+
+    \sa setProcessChannelMode()
+*/
+void QProcess::setReadChannelMode(ProcessChannelMode mode)
+{
+    setProcessChannelMode(mode);
+}
+
+/*!
+    \since 4.2
+
+    Returns the channel mode of the QProcess standard output and
+    standard error channels.
+
+    \sa setReadChannelMode(), ProcessChannelMode, setReadChannel()
+*/
+QProcess::ProcessChannelMode QProcess::processChannelMode() const
+{
+    Q_D(const QProcess);
+    return d->processChannelMode;
+}
+
+/*!
+    \since 4.2
+
+    Sets the channel mode of the QProcess standard output and standard
+    error channels to the \a mode specified.
+    This mode will be used the next time start() is called. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 0
+
+    \sa readChannelMode(), ProcessChannelMode, setReadChannel()
+*/
+void QProcess::setProcessChannelMode(ProcessChannelMode mode)
+{
+    Q_D(QProcess);
+    d->processChannelMode = mode;
+}
+
+/*!
+    Returns the current read channel of the QProcess.
+
+    \sa setReadChannel()
+*/
+QProcess::ProcessChannel QProcess::readChannel() const
+{
+    Q_D(const QProcess);
+    return d->processChannel;
+}
+
+/*!
+    Sets the current read channel of the QProcess to the given \a
+    channel. The current input channel is used by the functions
+    read(), readAll(), readLine(), and getChar(). It also determines
+    which channel triggers QProcess to emit readyRead().
+
+    \sa readChannel()
+*/
+void QProcess::setReadChannel(ProcessChannel channel)
+{
+    Q_D(QProcess);
+    if (d->processChannel != channel) {
+        QByteArray buf = d->buffer.readAll();
+        if (d->processChannel == QProcess::StandardOutput) {
+            for (int i = buf.size() - 1; i >= 0; --i)
+                d->outputReadBuffer.ungetChar(buf.at(i));
+        } else {
+            for (int i = buf.size() - 1; i >= 0; --i)
+                d->errorReadBuffer.ungetChar(buf.at(i));
+        }
+    }
+    d->processChannel = channel;
+}
+
+/*!
+    Closes the read channel \a channel. After calling this function,
+    QProcess will no longer receive data on the channel. Any data that
+    has already been received is still available for reading.
+
+    Call this function to save memory, if you are not interested in
+    the output of the process.
+
+    \sa closeWriteChannel(), setReadChannel()
+*/
+void QProcess::closeReadChannel(ProcessChannel channel)
+{
+    Q_D(QProcess);
+
+    if (channel == StandardOutput)
+        d->stdoutChannel.closed = true;
+    else
+        d->stderrChannel.closed = true;
+}
+
+/*!
+    Schedules the write channel of QProcess to be closed. The channel
+    will close once all data has been written to the process. After
+    calling this function, any attempts to write to the process will
+    fail.
+
+    Closing the write channel is necessary for programs that read
+    input data until the channel has been closed. For example, the
+    program "more" is used to display text data in a console on both
+    Unix and Windows. But it will not display the text data until
+    QProcess's write channel has been closed. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 1
+
+    The write channel is implicitly opened when start() is called.
+
+    \sa closeReadChannel()
+*/
+void QProcess::closeWriteChannel()
+{
+    Q_D(QProcess);
+    d->stdinChannel.closed = true; // closing
+    if (d->writeBuffer.isEmpty())
+        d->closeWriteChannel();
+}
+
+/*!
+    \since 4.2
+
+    Redirects the process' standard input to the file indicated by \a
+    fileName. When an input redirection is in place, the QProcess
+    object will be in read-only mode (calling write() will result in
+    error).
+
+    If the file \a fileName does not exist at the moment start() is
+    called or is not readable, starting the process will fail.
+
+    Calling setStandardInputFile() after the process has started has no
+    effect.
+
+    \sa setStandardOutputFile(), setStandardErrorFile(),
+        setStandardOutputProcess()
+*/
+void QProcess::setStandardInputFile(const QString &fileName)
+{
+    Q_D(QProcess);
+    d->stdinChannel = fileName;
+}
+
+/*!
+    \since 4.2
+
+    Redirects the process' standard output to the file \a
+    fileName. When the redirection is in place, the standard output
+    read channel is closed: reading from it using read() will always
+    fail, as will readAllStandardOutput().
+
+    If the file \a fileName doesn't exist at the moment start() is
+    called, it will be created. If it cannot be created, the starting
+    will fail.
+
+    If the file exists and \a mode is QIODevice::Truncate, the file
+    will be truncated. Otherwise (if \a mode is QIODevice::Append),
+    the file will be appended to.
+
+    Calling setStandardOutputFile() after the process has started has
+    no effect.
+
+    \sa setStandardInputFile(), setStandardErrorFile(),
+        setStandardOutputProcess()
+*/
+void QProcess::setStandardOutputFile(const QString &fileName, OpenMode mode)
+{
+    Q_ASSERT(mode == Append || mode == Truncate);
+    Q_D(QProcess);
+
+    d->stdoutChannel = fileName;
+    d->stdoutChannel.append = mode == Append;
+}
+
+/*!
+    \since 4.2
+
+    Redirects the process' standard error to the file \a
+    fileName. When the redirection is in place, the standard error
+    read channel is closed: reading from it using read() will always
+    fail, as will readAllStandardError(). The file will be appended to
+    if \a mode is Append, otherwise, it will be truncated.
+
+    See setStandardOutputFile() for more information on how the file
+    is opened.
+
+    Note: if setProcessChannelMode() was called with an argument of
+    QProcess::MergedChannels, this function has no effect.
+
+    \sa setStandardInputFile(), setStandardOutputFile(),
+        setStandardOutputProcess()
+*/
+void QProcess::setStandardErrorFile(const QString &fileName, OpenMode mode)
+{
+    Q_ASSERT(mode == Append || mode == Truncate);
+    Q_D(QProcess);
+
+    d->stderrChannel = fileName;
+    d->stderrChannel.append = mode == Append;
+}
+
+/*!
+    \since 4.2
+
+    Pipes the standard output stream of this process to the \a
+    destination process' standard input.
+
+    The following shell command:
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 2
+
+    Can be accomplished with QProcesses with the following code:
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 3
+*/
+void QProcess::setStandardOutputProcess(QProcess *destination)
+{
+    QProcessPrivate *dfrom = d_func();
+    QProcessPrivate *dto = destination->d_func();
+    dfrom->stdoutChannel.pipeTo(dto);
+    dto->stdinChannel.pipeFrom(dfrom);
+}
+
+/*!
+    If QProcess has been assigned a working directory, this function returns
+    the working directory that the QProcess will enter before the program has
+    started. Otherwise, (i.e., no directory has been assigned,) an empty
+    string is returned, and QProcess will use the application's current
+    working directory instead.
+
+    \sa setWorkingDirectory()
+*/
+QString QProcess::workingDirectory() const
+{
+    Q_D(const QProcess);
+    return d->workingDirectory;
+}
+
+/*!
+    Sets the working directory to \a dir. QProcess will start the
+    process in this directory. The default behavior is to start the
+    process in the working directory of the calling process.
+
+    \sa workingDirectory(), start()
+*/
+void QProcess::setWorkingDirectory(const QString &dir)
+{
+    Q_D(QProcess);
+    d->workingDirectory = dir;
+}
+
+/*!
+    Returns the native process identifier for the running process, if
+    available.  If no process is currently running, 0 is returned.
+*/
+Q_PID QProcess::pid() const
+{
+    Q_D(const QProcess);
+    return d->pid;
+}
+
+/*! \reimp
+
+    This function operates on the current read channel.
+
+    \sa readChannel(), setReadChannel()
+*/
+bool QProcess::canReadLine() const
+{
+    Q_D(const QProcess);
+    const QRingBuffer *readBuffer = (d->processChannel == QProcess::StandardError)
+                                    ? &d->errorReadBuffer
+                                    : &d->outputReadBuffer;
+    return readBuffer->canReadLine() || QIODevice::canReadLine();
+}
+
+/*!
+    Closes all communication with the process and kills it. After calling this
+    function, QProcess will no longer emit readyRead(), and data can no
+    longer be read or written.
+*/
+void QProcess::close()
+{
+    emit aboutToClose();
+    while (waitForBytesWritten(-1))
+        ;
+    kill();
+    waitForFinished(-1);
+    QIODevice::close();
+}
+
+/*! \reimp
+
+   Returns true if the process is not running, and no more data is available
+   for reading; otherwise returns false.
+*/
+bool QProcess::atEnd() const
+{
+    Q_D(const QProcess);
+    const QRingBuffer *readBuffer = (d->processChannel == QProcess::StandardError)
+                                    ? &d->errorReadBuffer
+                                    : &d->outputReadBuffer;
+    return QIODevice::atEnd() && (!isOpen() || readBuffer->isEmpty());
+}
+
+/*! \reimp
+*/
+bool QProcess::isSequential() const
+{
+    return true;
+}
+
+/*! \reimp
+*/
+qint64 QProcess::bytesAvailable() const
+{
+    Q_D(const QProcess);
+    const QRingBuffer *readBuffer = (d->processChannel == QProcess::StandardError)
+                                    ? &d->errorReadBuffer
+                                    : &d->outputReadBuffer;
+#if defined QPROCESS_DEBUG
+    qDebug("QProcess::bytesAvailable() == %i (%s)", readBuffer->size(),
+           (d->processChannel == QProcess::StandardError) ? "stderr" : "stdout");
+#endif
+    return readBuffer->size() + QIODevice::bytesAvailable();
+}
+
+/*! \reimp
+*/
+qint64 QProcess::bytesToWrite() const
+{
+    Q_D(const QProcess);
+    qint64 size = d->writeBuffer.size();
+#ifdef Q_OS_WIN
+    size += d->pipeWriterBytesToWrite();
+#endif
+    return size;
+}
+
+/*!
+    Returns the type of error that occurred last.
+
+    \sa state()
+*/
+QProcess::ProcessError QProcess::error() const
+{
+    Q_D(const QProcess);
+    return d->processError;
+}
+
+/*!
+    Returns the current state of the process.
+
+    \sa stateChanged(), error()
+*/
+QProcess::ProcessState QProcess::state() const
+{
+    Q_D(const QProcess);
+    return d->processState;
+}
+
+/*!
+    Sets the environment that QProcess will use when starting a process to the
+    \a environment specified which consists of a list of key=value pairs.
+
+    For example, the following code adds the \c{C:\\BIN} directory to the list of
+    executable paths (\c{PATHS}) on Windows:
+
+    \snippet doc/src/snippets/qprocess-environment/main.cpp 0
+
+    \sa environment(), systemEnvironment(), setEnvironmentHash()
+*/
+void QProcess::setEnvironment(const QStringList &environment)
+{
+    setEnvironmentHash(environmentHashFromList(environment));
+}
+
+/*!
+    Returns the environment that QProcess will use when starting a
+    process, or an empty QStringList if no environment has been set
+    using setEnvironment() or setEnvironmentHash(). If no environment
+    has been set, the environment of the calling process will be used.
+
+    \note The environment settings are ignored on Windows CE,
+    as there is no concept of an environment.
+
+    \sa environmentHash(), setEnvironment(), systemEnvironment()
+*/
+QStringList QProcess::environment() const
+{
+    Q_D(const QProcess);
+
+    QStringList result;
+    if (!d->environment)
+        return result;
+
+    QHash<QString, QString>::ConstIterator it = d->environment->constBegin(),
+                                          end = d->environment->constEnd();
+    for ( ; it != end; ++it) {
+        QString data = it.key();
+        data.reserve(data.length() + it.value().length() + 1);
+        data.append(QLatin1Char('='));
+        data.append(it.value());
+        result << data;
+    }
+    return result;
+}
+
+/*!
+    \since 4.5
+    Sets the environment that QProcess will use when starting a process to the
+    \a environment hash map.
+
+    For example, the following code adds the \c{C:\\BIN} directory to the list of
+    executable paths (\c{PATHS}) on Windows and sets \c{TMPDIR}:
+
+    \snippet doc/src/snippets/qprocess-environment/main.cpp 1
+
+    \sa environment(), systemEnvironmentHash(), setEnvironment()
+*/
+void QProcess::setEnvironmentHash(const QHash<QString, QString> &environment)
+{
+    Q_D(QProcess);
+    if (!d->environment)
+        d->environment = new QHash<QString, QString>(environment);
+    else
+        *d->environment = environment;
+}
+
+/*!
+    \since 4.5
+    Returns the environment that QProcess will use when starting a
+    process, or an empty QHash if no environment has been set using
+    setEnvironment() or setEnvironmentHash(). If no environment has
+    been set, the environment of the calling process will be used.
+
+    \note The environment settings are ignored on Windows CE,
+    as there is no concept of an environment.
+
+    \sa setEnvironmentHash(), setEnvironment(), systemEnvironmentHash()
+*/
+QHash<QString, QString> QProcess::environmentHash() const
+{
+    Q_D(const QProcess);
+    if (d->environment)
+        return *d->environment;
+    return QHash<QString, QString>();
+}
+
+/*!
+    Blocks until the process has started and the started() signal has
+    been emitted, or until \a msecs milliseconds have passed.
+
+    Returns true if the process was started successfully; otherwise
+    returns false (if the operation timed out or if an error
+    occurred).
+
+    This function can operate without an event loop. It is
+    useful when writing non-GUI applications and when performing
+    I/O operations in a non-GUI thread.
+
+    \warning Calling this function from the main (GUI) thread
+    might cause your user interface to freeze.
+
+    If msecs is -1, this function will not time out.
+
+    \sa started(), waitForReadyRead(), waitForBytesWritten(), waitForFinished()
+*/
+bool QProcess::waitForStarted(int msecs)
+{
+    Q_D(QProcess);
+    if (d->processState == QProcess::Starting) {
+        if (!d->waitForStarted(msecs))
+            return false;
+        setProcessState(QProcess::Running);
+        emit started();
+    }
+    return d->processState == QProcess::Running;
+}
+
+/*! \reimp
+*/
+bool QProcess::waitForReadyRead(int msecs)
+{
+    Q_D(QProcess);
+
+    if (d->processState == QProcess::NotRunning)
+        return false;
+    if (d->processChannel == QProcess::StandardOutput && d->stdoutChannel.closed)
+        return false;
+    if (d->processChannel == QProcess::StandardError && d->stderrChannel.closed)
+        return false;
+    return d->waitForReadyRead(msecs);
+}
+
+/*! \reimp
+*/
+bool QProcess::waitForBytesWritten(int msecs)
+{
+    Q_D(QProcess);
+    if (d->processState == QProcess::NotRunning)
+        return false;
+    if (d->processState == QProcess::Starting) {
+        QTime stopWatch;
+        stopWatch.start();
+        bool started = waitForStarted(msecs);
+        if (!started)
+            return false;
+        if (msecs != -1)
+            msecs -= stopWatch.elapsed();
+    }
+
+    return d->waitForBytesWritten(msecs);
+}
+
+/*!
+    Blocks until the process has finished and the finished() signal
+    has been emitted, or until \a msecs milliseconds have passed.
+
+    Returns true if the process finished; otherwise returns false (if
+    the operation timed out or if an error occurred).
+
+    This function can operate without an event loop. It is
+    useful when writing non-GUI applications and when performing
+    I/O operations in a non-GUI thread.
+
+    \warning Calling this function from the main (GUI) thread
+    might cause your user interface to freeze.
+
+    If msecs is -1, this function will not time out.
+
+    \sa finished(), waitForStarted(), waitForReadyRead(), waitForBytesWritten()
+*/
+bool QProcess::waitForFinished(int msecs)
+{
+    Q_D(QProcess);
+    if (d->processState == QProcess::NotRunning)
+        return false;
+    if (d->processState == QProcess::Starting) {
+        QTime stopWatch;
+        stopWatch.start();
+        bool started = waitForStarted(msecs);
+        if (!started)
+            return false;
+        if (msecs != -1)
+            msecs -= stopWatch.elapsed();
+    }
+
+    return d->waitForFinished(msecs);
+}
+
+/*!
+    Sets the current state of the QProcess to the \a state specified.
+
+    \sa state()
+*/
+void QProcess::setProcessState(ProcessState state)
+{
+    Q_D(QProcess);
+    if (d->processState == state)
+        return;
+    d->processState = state;
+    emit stateChanged(state);
+}
+
+/*!
+  This function is called in the child process context just before the
+    program is executed on Unix or Mac OS X (i.e., after \e fork(), but before
+    \e execve()). Reimplement this function to do last minute initialization
+    of the child process. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 4
+
+    You cannot exit the process (by calling exit(), for instance) from
+    this function. If you need to stop the program before it starts
+    execution, your workaround is to emit finished() and then call
+    exit().
+
+    \warning This function is called by QProcess on Unix and Mac OS X
+    only. On Windows, it is not called.
+*/
+void QProcess::setupChildProcess()
+{
+}
+
+/*! \reimp
+*/
+qint64 QProcess::readData(char *data, qint64 maxlen)
+{
+    Q_D(QProcess);
+    QRingBuffer *readBuffer = (d->processChannel == QProcess::StandardError)
+                              ? &d->errorReadBuffer
+                              : &d->outputReadBuffer;
+
+    if (maxlen == 1 && !readBuffer->isEmpty()) {
+        int c = readBuffer->getChar();
+        if (c == -1) {
+#if defined QPROCESS_DEBUG
+            qDebug("QProcess::readData(%p \"%s\", %d) == -1",
+                   data, qt_prettyDebug(data, 1, maxlen).constData(), 1);
+#endif
+            return -1;
+        }
+        *data = (char) c;
+#if defined QPROCESS_DEBUG
+        qDebug("QProcess::readData(%p \"%s\", %d) == 1",
+               data, qt_prettyDebug(data, 1, maxlen).constData(), 1);
+#endif
+        return 1;
+    }
+
+    qint64 bytesToRead = qint64(qMin(readBuffer->size(), (int)maxlen));
+    qint64 readSoFar = 0;
+    while (readSoFar < bytesToRead) {
+        const char *ptr = readBuffer->readPointer();
+        int bytesToReadFromThisBlock = qMin<qint64>(bytesToRead - readSoFar,
+                                            readBuffer->nextDataBlockSize());
+        memcpy(data + readSoFar, ptr, bytesToReadFromThisBlock);
+        readSoFar += bytesToReadFromThisBlock;
+        readBuffer->free(bytesToReadFromThisBlock);
+    }
+
+#if defined QPROCESS_DEBUG
+    qDebug("QProcess::readData(%p \"%s\", %lld) == %lld",
+           data, qt_prettyDebug(data, readSoFar, 16).constData(), maxlen, readSoFar);
+#endif
+    if (!readSoFar && d->processState == QProcess::NotRunning)
+        return -1;              // EOF
+    return readSoFar;
+}
+
+/*! \reimp
+*/
+qint64 QProcess::writeData(const char *data, qint64 len)
+{
+    Q_D(QProcess);
+
+#if defined(Q_OS_WINCE)
+    Q_UNUSED(data);
+    Q_UNUSED(len);
+    d->processError = QProcess::WriteError;
+    setErrorString(tr("Error writing to process"));
+    emit error(d->processError);
+    return -1;
+#endif
+
+    if (d->stdinChannel.closed) {
+#if defined QPROCESS_DEBUG
+    qDebug("QProcess::writeData(%p \"%s\", %lld) == 0 (write channel closing)",
+           data, qt_prettyDebug(data, len, 16).constData(), len);
+#endif
+        return 0;
+    }
+
+    if (len == 1) {
+        d->writeBuffer.putChar(*data);
+        if (d->stdinChannel.notifier)
+            d->stdinChannel.notifier->setEnabled(true);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcess::writeData(%p \"%s\", %lld) == 1 (written to buffer)",
+           data, qt_prettyDebug(data, len, 16).constData(), len);
+#endif
+        return 1;
+    }
+
+    char *dest = d->writeBuffer.reserve(len);
+    memcpy(dest, data, len);
+    if (d->stdinChannel.notifier)
+        d->stdinChannel.notifier->setEnabled(true);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcess::writeData(%p \"%s\", %lld) == %lld (written to buffer)",
+           data, qt_prettyDebug(data, len, 16).constData(), len, len);
+#endif
+    return len;
+}
+
+/*!
+    Regardless of the current read channel, this function returns all
+    data available from the standard output of the process as a
+    QByteArray.
+
+    \sa readyReadStandardOutput(), readAllStandardError(), readChannel(), setReadChannel()
+*/
+QByteArray QProcess::readAllStandardOutput()
+{
+    ProcessChannel tmp = readChannel();
+    setReadChannel(StandardOutput);
+    QByteArray data = readAll();
+    setReadChannel(tmp);
+    return data;
+}
+
+/*!
+    Regardless of the current read channel, this function returns all
+    data available from the standard error of the process as a
+    QByteArray.
+
+    \sa readyReadStandardError(), readAllStandardOutput(), readChannel(), setReadChannel()
+*/
+QByteArray QProcess::readAllStandardError()
+{
+    ProcessChannel tmp = readChannel();
+    setReadChannel(StandardError);
+    QByteArray data = readAll();
+    setReadChannel(tmp);
+    return data;
+}
+
+/*!
+    Starts the program \a program in a new process, passing the
+    command line arguments in \a arguments. The OpenMode is set to \a
+    mode. QProcess will immediately enter the Starting state. If the
+    process starts successfully, QProcess will emit started();
+    otherwise, error() will be emitted.
+
+    Note that arguments that contain spaces are not passed to the
+    process as separate arguments.
+
+    \bold{Windows:} Arguments that contain spaces are wrapped in quotes.
+
+    \note Processes are started asynchronously, which means the started()
+    and error() signals may be delayed. Call waitForStarted() to make
+    sure the process has started (or has failed to start) and those signals
+    have been emitted.
+
+    \sa pid(), started(), waitForStarted()
+*/
+void QProcess::start(const QString &program, const QStringList &arguments, OpenMode mode)
+{
+    Q_D(QProcess);
+    if (d->processState != NotRunning) {
+        qWarning("QProcess::start: Process is already running");
+        return;
+    }
+
+#if defined QPROCESS_DEBUG
+    qDebug() << "QProcess::start(" << program << "," << arguments << "," << mode << ")";
+#endif
+
+    d->outputReadBuffer.clear();
+    d->errorReadBuffer.clear();
+
+    if (d->stdinChannel.type != QProcessPrivate::Channel::Normal)
+        mode &= ~WriteOnly;     // not open for writing
+    if (d->stdoutChannel.type != QProcessPrivate::Channel::Normal &&
+        (d->stderrChannel.type != QProcessPrivate::Channel::Normal ||
+         d->processChannelMode == MergedChannels))
+        mode &= ~ReadOnly;      // not open for reading
+    if (mode == 0)
+        mode = Unbuffered;
+    QIODevice::open(mode);
+
+    d->stdinChannel.closed = false;
+    d->stdoutChannel.closed = false;
+    d->stderrChannel.closed = false;
+
+    d->program = program;
+    d->arguments = arguments;
+
+    d->exitCode = 0;
+    d->exitStatus = NormalExit;
+    d->processError = QProcess::UnknownError;
+    d->errorString.clear();
+    d->startProcess();
+}
+
+
+static QStringList parseCombinedArgString(const QString &program)
+{
+    QStringList args;
+    QString tmp;
+    int quoteCount = 0;
+    bool inQuote = false;
+
+    // handle quoting. tokens can be surrounded by double quotes
+    // "hello world". three consecutive double quotes represent
+    // the quote character itself.
+    for (int i = 0; i < program.size(); ++i) {
+        if (program.at(i) == QLatin1Char('"')) {
+            ++quoteCount;
+            if (quoteCount == 3) {
+                // third consecutive quote
+                quoteCount = 0;
+                tmp += program.at(i);
+            }
+            continue;
+        }
+        if (quoteCount) {
+            if (quoteCount == 1)
+                inQuote = !inQuote;
+            quoteCount = 0;
+        }
+        if (!inQuote && program.at(i).isSpace()) {
+            if (!tmp.isEmpty()) {
+                args += tmp;
+                tmp.clear();
+            }
+        } else {
+            tmp += program.at(i);
+        }
+    }
+    if (!tmp.isEmpty())
+        args += tmp;
+
+    return args;
+}
+
+/*!
+    \overload
+
+    Starts the program \a program in a new process. \a program is a
+    single string of text containing both the program name and its
+    arguments. The arguments are separated by one or more
+    spaces. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 5
+
+    The \a program string can also contain quotes, to ensure that arguments
+    containing spaces are correctly supplied to the new process. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 6
+
+    Note that, on Windows, quotes need to be both escaped and quoted.
+    For example, the above code would be specified in the following
+    way to ensure that \c{"My Documents"} is used as the argument to
+    the \c dir executable:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 7
+
+    The OpenMode is set to \a mode.
+*/
+void QProcess::start(const QString &program, OpenMode mode)
+{
+    QStringList args = parseCombinedArgString(program);
+
+    QString prog = args.first();
+    args.removeFirst();
+
+    start(prog, args, mode);
+}
+
+/*!
+    Attempts to terminate the process.
+
+    The process may not exit as a result of calling this function (it is given
+    the chance to prompt the user for any unsaved files, etc).
+
+    On Windows, terminate() posts a WM_CLOSE message to all toplevel windows
+    of the process and then to the main thread of the process itself. On Unix
+    and Mac OS X the SIGTERM signal is sent.
+
+    Console applications on Windows that do not run an event loop, or whose
+    event loop does not handle the WM_CLOSE message, can only be terminated by
+    calling kill().
+
+    \sa kill()
+*/
+void QProcess::terminate()
+{
+    Q_D(QProcess);
+    d->terminateProcess();
+}
+
+/*!
+    Kills the current process, causing it to exit immediately.
+
+    On Windows, kill() uses TerminateProcess, and on Unix and Mac OS X, the
+    SIGKILL signal is sent to the process.
+
+    \sa terminate()
+*/
+void QProcess::kill()
+{
+    Q_D(QProcess);
+    d->killProcess();
+}
+
+/*!
+    Returns the exit code of the last process that finished.
+*/
+int QProcess::exitCode() const
+{
+    Q_D(const QProcess);
+    return d->exitCode;
+}
+
+/*!
+    \since 4.1
+
+    Returns the exit status of the last process that finished.
+
+    On Windows, if the process was terminated with TerminateProcess()
+    from another application this function will still return NormalExit
+    unless the exit code is less than 0.
+*/
+QProcess::ExitStatus QProcess::exitStatus() const
+{
+    Q_D(const QProcess);
+    return d->exitStatus;
+}
+
+/*!
+    Starts the program \a program with the arguments \a arguments in a
+    new process, waits for it to finish, and then returns the exit
+    code of the process. Any data the new process writes to the
+    console is forwarded to the calling process.
+
+    The environment and working directory are inherited by the calling
+    process.
+
+    On Windows, arguments that contain spaces are wrapped in quotes.
+*/
+int QProcess::execute(const QString &program, const QStringList &arguments)
+{
+    QProcess process;
+    process.setReadChannelMode(ForwardedChannels);
+    process.start(program, arguments);
+    process.waitForFinished(-1);
+    return process.exitCode();
+}
+
+/*!
+    \overload
+
+    Starts the program \a program in a new process. \a program is a
+    single string of text containing both the program name and its
+    arguments. The arguments are separated by one or more spaces.
+*/
+int QProcess::execute(const QString &program)
+{
+    QProcess process;
+    process.setReadChannelMode(ForwardedChannels);
+    process.start(program);
+    process.waitForFinished(-1);
+    return process.exitCode();
+}
+
+/*!
+    Starts the program \a program with the arguments \a arguments in a
+    new process, and detaches from it. Returns true on success;
+    otherwise returns false. If the calling process exits, the
+    detached process will continue to live.
+
+    Note that arguments that contain spaces are not passed to the
+    process as separate arguments.
+
+    \bold{Unix:} The started process will run in its own session and act
+    like a daemon.
+
+    \bold{Windows:} Arguments that contain spaces are wrapped in quotes.
+    The started process will run as a regular standalone process.
+
+    The process will be started in the directory \a workingDirectory.
+
+    If the function is successful then *\a pid is set to the process
+    identifier of the started process.
+*/
+bool QProcess::startDetached(const QString &program,
+			     const QStringList &arguments,
+			     const QString &workingDirectory,
+                             qint64 *pid)
+{
+    return QProcessPrivate::startDetached(program,
+					  arguments,
+					  workingDirectory,
+					  pid);
+}
+
+/*!
+    Starts the program \a program with the given \a arguments in a
+    new process, and detaches from it. Returns true on success;
+    otherwise returns false. If the calling process exits, the
+    detached process will continue to live.
+
+    Note that arguments that contain spaces are not passed to the
+    process as separate arguments.
+
+    \bold{Unix:} The started process will run in its own session and act
+    like a daemon.
+
+    \bold{Windows:} Arguments that contain spaces are wrapped in quotes.
+    The started process will run as a regular standalone process.
+*/
+bool QProcess::startDetached(const QString &program,
+			     const QStringList &arguments)
+{
+    return QProcessPrivate::startDetached(program, arguments);
+}
+
+/*!
+    \overload
+
+    Starts the program \a program in a new process. \a program is a
+    single string of text containing both the program name and its
+    arguments. The arguments are separated by one or more spaces.
+
+    The \a program string can also contain quotes, to ensure that arguments
+    containing spaces are correctly supplied to the new process.
+*/
+bool QProcess::startDetached(const QString &program)
+{
+    QStringList args = parseCombinedArgString(program);
+
+    QString prog = args.first();
+    args.removeFirst();
+
+    return QProcessPrivate::startDetached(prog, args);
+}
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#ifdef Q_OS_MAC
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron())
+#elif defined(Q_OS_WINCE)
+  static char *qt_wince_environ[] = { 0 };
+#define environ qt_wince_environ
+#elif !defined(Q_OS_WIN)
+  extern char **environ;
+#endif
+QT_END_INCLUDE_NAMESPACE
+
+/*!
+    \since 4.1
+
+    Returns the environment of the calling process as a list of
+    key=value pairs. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qprocess.cpp 8
+
+    \sa systemEnvironmentHash(), environment(), setEnvironment()
+*/
+QStringList QProcess::systemEnvironment()
+{
+    QStringList tmp;
+    char *entry = 0;
+    int count = 0;
+    while ((entry = environ[count++]))
+        tmp << QString::fromLocal8Bit(entry);
+    return tmp;
+}
+
+/*!
+    \since 4.5
+
+    Returns the environment of the calling process as a QHash.
+
+    \sa systemEnvironment(), environmentHash(), setEnvironmentHash()
+*/
+QHash<QString, QString> QProcess::systemEnvironmentHash()
+{
+    return environmentHashFromList(systemEnvironment());
+}
+
+/*!
+    \typedef Q_PID
+    \relates QProcess
+
+    Typedef for the identifiers used to represent processes on the underlying
+    platform. On Unix, this corresponds to \l qint64; on Windows, it
+    corresponds to \c{_PROCESS_INFORMATION*}.
+
+    \sa QProcess::pid()
+*/
+
+QT_END_NAMESPACE
+
+#include "moc_qprocess.cpp"
+
+#endif // QT_NO_PROCESS
+
diff --git a/src/corelib/io/qprocess.h b/src/corelib/io/qprocess.h
new file mode 100644
index 0000000000..bf9a5a6e65
--- /dev/null
+++ b/src/corelib/io/qprocess.h
@@ -0,0 +1,207 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPROCESS_H
+#define QPROCESS_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qstringlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_PROCESS
+
+template <class Key, class T> class QHash;
+
+#if (!defined(Q_OS_WIN32) && !defined(Q_OS_WINCE)) || defined(qdoc)
+typedef qint64 Q_PID;
+#else
+QT_END_NAMESPACE
+typedef struct _PROCESS_INFORMATION *Q_PID;
+QT_BEGIN_NAMESPACE
+#endif
+
+class QProcessPrivate;
+
+class Q_CORE_EXPORT QProcess : public QIODevice
+{
+    Q_OBJECT
+public:
+    enum ProcessError {
+        FailedToStart, //### file not found, resource error
+        Crashed,
+        Timedout,
+        ReadError,
+        WriteError,
+        UnknownError
+    };
+    enum ProcessState {
+        NotRunning,
+        Starting,
+        Running
+    };
+    enum ProcessChannel {
+        StandardOutput,
+        StandardError
+    };
+    enum ProcessChannelMode {
+        SeparateChannels,
+        MergedChannels,
+        ForwardedChannels
+    };
+    enum ExitStatus {
+        NormalExit,
+        CrashExit
+    };
+
+    explicit QProcess(QObject *parent = 0);
+    virtual ~QProcess();
+
+    void start(const QString &program, const QStringList &arguments, OpenMode mode = ReadWrite);
+    void start(const QString &program, OpenMode mode = ReadWrite);
+
+    ProcessChannelMode readChannelMode() const;
+    void setReadChannelMode(ProcessChannelMode mode);
+    ProcessChannelMode processChannelMode() const;
+    void setProcessChannelMode(ProcessChannelMode mode);
+
+    ProcessChannel readChannel() const;
+    void setReadChannel(ProcessChannel channel);
+
+    void closeReadChannel(ProcessChannel channel);
+    void closeWriteChannel();
+
+    void setStandardInputFile(const QString &fileName);
+    void setStandardOutputFile(const QString &fileName, OpenMode mode = Truncate);
+    void setStandardErrorFile(const QString &fileName, OpenMode mode = Truncate);
+    void setStandardOutputProcess(QProcess *destination);
+
+    QString workingDirectory() const;
+    void setWorkingDirectory(const QString &dir);
+
+    void setEnvironment(const QStringList &environment);
+    QStringList environment() const;
+    void setEnvironmentHash(const QHash<QString, QString> &environment);
+    QHash<QString, QString> environmentHash() const;
+
+    QProcess::ProcessError error() const;
+    QProcess::ProcessState state() const;
+
+    // #### Qt 5: Q_PID is a pointer on Windows and a value on Unix
+    Q_PID pid() const;
+
+    bool waitForStarted(int msecs = 30000);
+    bool waitForReadyRead(int msecs = 30000);
+    bool waitForBytesWritten(int msecs = 30000);
+    bool waitForFinished(int msecs = 30000);
+
+    QByteArray readAllStandardOutput();
+    QByteArray readAllStandardError();
+
+    int exitCode() const;
+    QProcess::ExitStatus exitStatus() const;
+
+    // QIODevice
+    qint64 bytesAvailable() const;
+    qint64 bytesToWrite() const;
+    bool isSequential() const;
+    bool canReadLine() const;
+    void close();
+    bool atEnd() const;
+
+    static int execute(const QString &program, const QStringList &arguments);
+    static int execute(const QString &program);
+
+    static bool startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory,
+                              qint64 *pid = 0);
+    static bool startDetached(const QString &program, const QStringList &arguments);
+    static bool startDetached(const QString &program);
+
+    static QStringList systemEnvironment();
+    static QHash<QString, QString> systemEnvironmentHash();
+
+public Q_SLOTS:
+    void terminate();
+    void kill();
+
+Q_SIGNALS:
+    void started();
+    void finished(int exitCode);
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+    void error(QProcess::ProcessError error);
+    void stateChanged(QProcess::ProcessState state);
+
+    void readyReadStandardOutput();
+    void readyReadStandardError();
+
+protected:
+    void setProcessState(ProcessState state);
+
+    virtual void setupChildProcess();
+
+    // QIODevice
+    qint64 readData(char *data, qint64 maxlen);
+    qint64 writeData(const char *data, qint64 len);
+
+private:
+    Q_DECLARE_PRIVATE(QProcess)
+    Q_DISABLE_COPY(QProcess)
+
+    Q_PRIVATE_SLOT(d_func(), bool _q_canReadStandardOutput())
+    Q_PRIVATE_SLOT(d_func(), bool _q_canReadStandardError())
+    Q_PRIVATE_SLOT(d_func(), bool _q_canWrite())
+    Q_PRIVATE_SLOT(d_func(), bool _q_startupNotification())
+    Q_PRIVATE_SLOT(d_func(), bool _q_processDied())
+    Q_PRIVATE_SLOT(d_func(), void _q_notified())
+    friend class QProcessManager;
+};
+
+#endif // QT_NO_PROCESS
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPROCESS_H
diff --git a/src/corelib/io/qprocess_p.h b/src/corelib/io/qprocess_p.h
new file mode 100644
index 0000000000..f67fd2d71c
--- /dev/null
+++ b/src/corelib/io/qprocess_p.h
@@ -0,0 +1,230 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPROCESS_P_H
+#define QPROCESS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qprocess.h"
+#include "QtCore/qstringlist.h"
+#include "private/qringbuffer_p.h"
+#include "private/qiodevice_p.h"
+
+#ifdef Q_OS_WIN
+#include "QtCore/qt_windows.h"
+typedef HANDLE Q_PIPE;
+#define INVALID_Q_PIPE INVALID_HANDLE_VALUE
+#else
+typedef int Q_PIPE;
+#define INVALID_Q_PIPE -1
+#endif
+
+#ifndef QT_NO_PROCESS
+
+QT_BEGIN_NAMESPACE
+
+class QSocketNotifier;
+class QWindowsPipeWriter;
+class QWinEventNotifier;
+class QTimer;
+
+class QProcessPrivate : public QIODevicePrivate
+{
+public:
+    Q_DECLARE_PUBLIC(QProcess)
+
+    struct Channel {
+        enum ProcessChannelType {
+            Normal = 0,
+            PipeSource = 1,
+            PipeSink = 2,
+            Redirect = 3
+            // if you add "= 4" here, increase the number of bits below
+        };
+
+        Channel() : process(0), notifier(0), type(Normal), closed(false), append(false)
+        {
+            pipe[0] = INVALID_Q_PIPE;
+            pipe[1] = INVALID_Q_PIPE;
+        }
+
+        void clear();
+
+        Channel &operator=(const QString &fileName)
+        {
+            clear();
+            file = fileName;
+            type = fileName.isEmpty() ? Normal : Redirect;
+            return *this;
+        }
+
+        void pipeTo(QProcessPrivate *other)
+        {
+            clear();
+            process = other;
+            type = PipeSource;
+        }
+
+        void pipeFrom(QProcessPrivate *other)
+        {
+            clear();
+            process = other;
+            type = PipeSink;
+        }
+
+        QString file;
+        QProcessPrivate *process;
+        QSocketNotifier *notifier;
+        Q_PIPE pipe[2];
+
+        unsigned type : 2;
+        bool closed : 1;
+        bool append : 1;
+    };
+
+    QProcessPrivate();
+    virtual ~QProcessPrivate();
+
+    // private slots
+    bool _q_canReadStandardOutput();
+    bool _q_canReadStandardError();
+    bool _q_canWrite();
+    bool _q_startupNotification();
+    bool _q_processDied();
+    void _q_notified();
+
+    QProcess::ProcessChannel processChannel;
+    QProcess::ProcessChannelMode processChannelMode;
+    QProcess::ProcessError processError;
+    QProcess::ProcessState processState;
+    QString workingDirectory;
+    Q_PID pid;
+    int sequenceNumber;
+
+    bool dying;
+    bool emittedReadyRead;
+    bool emittedBytesWritten;
+
+    Channel stdinChannel;
+    Channel stdoutChannel;
+    Channel stderrChannel;
+    bool createChannel(Channel &channel);
+    void closeWriteChannel();
+
+    QString program;
+    QStringList arguments;
+    QHash<QString, QString> *environment;
+
+    QRingBuffer outputReadBuffer;
+    QRingBuffer errorReadBuffer;
+    QRingBuffer writeBuffer;
+
+    Q_PIPE childStartedPipe[2];
+    Q_PIPE deathPipe[2];
+    void destroyPipe(Q_PIPE pipe[2]);
+
+    QSocketNotifier *startupSocketNotifier;
+    QSocketNotifier *deathNotifier;
+
+    // the wonderful windows notifier
+    QTimer *notifier;
+    QWindowsPipeWriter *pipeWriter;
+    QWinEventNotifier *processFinishedNotifier;
+
+    void startProcess();
+#ifdef Q_OS_UNIX
+    void execChild(const char *workingDirectory, char **path, char **argv, char **envp);
+#endif
+    bool processStarted();
+    void terminateProcess();
+    void killProcess();
+    void findExitCode();
+#ifdef Q_OS_UNIX
+    bool waitForDeadChild();
+#endif
+#ifdef Q_OS_WIN
+    void flushPipeWriter();
+    qint64 pipeWriterBytesToWrite() const;
+#endif
+
+    static bool startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory = QString(),
+                              qint64 *pid = 0);
+
+    int exitCode;
+    QProcess::ExitStatus exitStatus;
+    bool crashed;
+#ifdef Q_OS_UNIX
+    int serial;
+#endif
+
+    bool waitForStarted(int msecs = 30000);
+    bool waitForReadyRead(int msecs = 30000);
+    bool waitForBytesWritten(int msecs = 30000);
+    bool waitForFinished(int msecs = 30000);
+    bool waitForWrite(int msecs = 30000);
+
+    qint64 bytesAvailableFromStdout() const;
+    qint64 bytesAvailableFromStderr() const;
+    qint64 readFromStdout(char *data, qint64 maxlen);
+    qint64 readFromStderr(char *data, qint64 maxlen);
+    qint64 writeToStdin(const char *data, qint64 maxlen);
+
+    void cleanup();
+#ifdef Q_OS_UNIX
+    static void initializeProcessManager();
+#endif
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_PROCESS
+
+#endif // QPROCESS_P_H
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
new file mode 100644
index 0000000000..5537c9d941
--- /dev/null
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -0,0 +1,1386 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//#define QPROCESS_DEBUG
+#include "qdebug.h"
+
+#ifndef QT_NO_PROCESS
+
+#if defined QPROCESS_DEBUG
+#include "qstring.h"
+#include <ctype.h>
+
+/*
+    Returns a human readable representation of the first \a len
+    characters in \a data.
+*/
+QT_BEGIN_NAMESPACE
+static QByteArray qt_prettyDebug(const char *data, int len, int maxSize)
+{
+    if (!data) return "(null)";
+    QByteArray out;
+    for (int i = 0; i < len; ++i) {
+        char c = data[i];
+        if (isprint(c)) {
+            out += c;
+        } else switch (c) {
+        case '\n': out += "\\n"; break;
+        case '\r': out += "\\r"; break;
+        case '\t': out += "\\t"; break;
+        default:
+            QString tmp;
+            tmp.sprintf("\\%o", c);
+            out += tmp.toLatin1();
+        }
+    }
+
+    if (len < maxSize)
+        out += "...";
+
+    return out;
+}
+QT_END_NAMESPACE
+#endif
+
+#include "qplatformdefs.h"
+
+#include "qprocess.h"
+#include "qprocess_p.h"
+
+#ifdef Q_OS_MAC
+#include <private/qcore_mac_p.h>
+#endif
+
+#include <private/qcoreapplication_p.h>
+#include <private/qthread_p.h>
+#include <qdatetime.h>
+#include <qfile.h>
+#include <qfileinfo.h>
+#include <qlist.h>
+#include <qmap.h>
+#include <qmutex.h>
+#include <qsemaphore.h>
+#include <qsocketnotifier.h>
+#include <qthread.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifdef Q_OS_INTEGRITY
+static inline char *strdup(const char *data)
+{
+    return qstrdup(data);
+}
+#endif
+
+static qint64 qt_native_read(int fd, char *data, qint64 maxlen)
+{
+    qint64 ret = 0;
+    do {
+        ret = ::read(fd, data, maxlen);
+    } while (ret == -1 && errno == EINTR);
+    return ret;
+}
+
+static qint64 qt_native_write(int fd, const char *data, qint64 len)
+{
+    qint64 ret = 0;
+    do {
+        ret = ::write(fd, data, len);
+    } while (ret == -1 && errno == EINTR);
+    return ret;
+}
+
+static void qt_native_close(int fd)
+{
+    int ret;
+    do {
+        ret = ::close(fd);
+    } while (ret == -1 && errno == EINTR);
+}
+
+static void qt_native_sigaction(int signum, const struct sigaction *act,
+                                struct sigaction *oldact)
+{
+    int ret;
+    do {
+        ret = ::sigaction(signum, act, oldact);
+    } while (ret == -1 && errno == EINTR);
+}
+
+static void qt_native_dup2(int oldfd, int newfd)
+{
+    int ret;
+    do {
+        ret = ::dup2(oldfd, newfd);
+    } while (ret == -1 && errno == EINTR);
+}
+
+static void qt_native_chdir(const char *path)
+{
+    int ret;
+    do {
+        ret = ::chdir(path);
+    } while (ret == -1 && errno == EINTR);
+}
+
+static void qt_native_execve(const char *filename, char *const argv[],
+                              char *const envp[])
+{
+    int ret;
+    do {
+        ret = ::execve(filename, argv, envp);
+    } while (ret == -1 && errno == EINTR);
+}
+
+static void qt_native_execv(const char *path, char *const argv[])
+{
+    int ret;
+    do {
+        ret = ::execv(path, argv);
+    } while (ret == -1 && errno == EINTR);
+}
+
+static void qt_native_execvp(const char *file, char *const argv[])
+{
+    int ret;
+    do {
+        ret = ::execvp(file, argv);
+    } while (ret == -1 && errno == EINTR);
+}
+
+static int qt_qprocess_deadChild_pipe[2];
+static void (*qt_sa_old_sigchld_handler)(int) = 0;
+static void qt_sa_sigchld_handler(int signum)
+{
+    qt_native_write(qt_qprocess_deadChild_pipe[1], "", 1);
+#if defined (QPROCESS_DEBUG)
+    fprintf(stderr, "*** SIGCHLD\n");
+#endif
+
+    if (qt_sa_old_sigchld_handler && qt_sa_old_sigchld_handler != SIG_IGN)
+        qt_sa_old_sigchld_handler(signum);
+}
+
+struct QProcessInfo {
+    QProcess *process;
+    int deathPipe;
+    int exitResult;
+    pid_t pid;
+    int serialNumber;
+};
+
+class QProcessManager : public QThread
+{
+    Q_OBJECT
+public:
+    QProcessManager();
+    ~QProcessManager();
+
+    void run();
+    void catchDeadChildren();
+    void add(pid_t pid, QProcess *process);
+    void remove(QProcess *process);
+    void lock();
+    void unlock();
+
+private:
+    QMutex mutex;
+    QMap<int, QProcessInfo *> children;
+};
+
+Q_GLOBAL_STATIC(QProcessManager, processManager)
+
+QProcessManager::QProcessManager()
+{
+#if defined (QPROCESS_DEBUG)
+    qDebug() << "QProcessManager::QProcessManager()";
+#endif
+    // initialize the dead child pipe and make it non-blocking. in the
+    // extremely unlikely event that the pipe fills up, we do not under any
+    // circumstances want to block.
+    ::pipe(qt_qprocess_deadChild_pipe);
+    ::fcntl(qt_qprocess_deadChild_pipe[0], F_SETFD, FD_CLOEXEC);
+    ::fcntl(qt_qprocess_deadChild_pipe[1], F_SETFD, FD_CLOEXEC);
+    ::fcntl(qt_qprocess_deadChild_pipe[0], F_SETFL,
+	    ::fcntl(qt_qprocess_deadChild_pipe[0], F_GETFL) | O_NONBLOCK);
+    ::fcntl(qt_qprocess_deadChild_pipe[1], F_SETFL,
+	    ::fcntl(qt_qprocess_deadChild_pipe[1], F_GETFL) | O_NONBLOCK);
+
+    // set up the SIGCHLD handler, which writes a single byte to the dead
+    // child pipe every time a child dies.
+    struct sigaction oldAction;
+    struct sigaction action;
+    memset(&action, 0, sizeof(action));
+    action.sa_handler = qt_sa_sigchld_handler;
+    action.sa_flags = SA_NOCLDSTOP;
+    qt_native_sigaction(SIGCHLD, &action, &oldAction);
+    if (oldAction.sa_handler != qt_sa_sigchld_handler)
+	qt_sa_old_sigchld_handler = oldAction.sa_handler;
+}
+
+QProcessManager::~QProcessManager()
+{
+    // notify the thread that we're shutting down.
+    qt_native_write(qt_qprocess_deadChild_pipe[1], "@", 1);
+    qt_native_close(qt_qprocess_deadChild_pipe[1]);
+    wait();
+
+    // on certain unixes, closing the reading end of the pipe will cause
+    // select in run() to block forever, rather than return with EBADF.
+    qt_native_close(qt_qprocess_deadChild_pipe[0]);
+
+    qt_qprocess_deadChild_pipe[0] = -1;
+    qt_qprocess_deadChild_pipe[1] = -1;
+
+    qDeleteAll(children.values());
+    children.clear();
+
+    struct sigaction oldAction;
+    struct sigaction action;
+    memset(&action, 0, sizeof(action));
+    action.sa_handler = qt_sa_old_sigchld_handler;
+    action.sa_flags = SA_NOCLDSTOP;
+    qt_native_sigaction(SIGCHLD, &action, &oldAction);
+    if (oldAction.sa_handler != qt_sa_sigchld_handler) {
+        qt_native_sigaction(SIGCHLD, &oldAction, 0);
+    }
+}
+
+void QProcessManager::run()
+{
+    forever {
+        fd_set readset;
+        FD_ZERO(&readset);
+        FD_SET(qt_qprocess_deadChild_pipe[0], &readset);
+
+#if defined (QPROCESS_DEBUG)
+        qDebug() << "QProcessManager::run() waiting for children to die";
+#endif
+
+        // block forever, or until activity is detected on the dead child
+        // pipe. the only other peers are the SIGCHLD signal handler, and the
+        // QProcessManager destructor.
+        int nselect = select(qt_qprocess_deadChild_pipe[0] + 1, &readset, 0, 0, 0);
+        if (nselect < 0) {
+            if (errno == EINTR)
+                continue;
+            break;
+        }
+
+        // empty only one byte from the pipe, even though several SIGCHLD
+        // signals may have been delivered in the meantime, to avoid race
+        // conditions.
+        char c;
+        if (qt_native_read(qt_qprocess_deadChild_pipe[0], &c, 1) < 0 || c == '@')
+            break;
+
+        // catch any and all children that we can.
+        catchDeadChildren();
+    }
+}
+
+void QProcessManager::catchDeadChildren()
+{
+    QMutexLocker locker(&mutex);
+
+    // try to catch all children whose pid we have registered, and whose
+    // deathPipe is still valid (i.e, we have not already notified it).
+    QMap<int, QProcessInfo *>::Iterator it = children.begin();
+    while (it != children.end()) {
+        // notify all children that they may have died. they need to run
+        // waitpid() in their own thread.
+        QProcessInfo *info = it.value();
+        qt_native_write(info->deathPipe, "", 1);
+
+#if defined (QPROCESS_DEBUG)
+        qDebug() << "QProcessManager::run() sending death notice to" << info->process;
+#endif
+        ++it;
+    }
+}
+
+static QBasicAtomicInt idCounter = Q_BASIC_ATOMIC_INITIALIZER(1);
+
+void QProcessManager::add(pid_t pid, QProcess *process)
+{
+#if defined (QPROCESS_DEBUG)
+    qDebug() << "QProcessManager::add() adding pid" << pid << "process" << process;
+#endif
+
+    // insert a new info structure for this process
+    QProcessInfo *info = new QProcessInfo;
+    info->process = process;
+    info->deathPipe = process->d_func()->deathPipe[1];
+    info->exitResult = 0;
+    info->pid = pid;
+
+    int serial = idCounter.fetchAndAddRelaxed(1);
+    process->d_func()->serial = serial;
+    children.insert(serial, info);
+}
+
+void QProcessManager::remove(QProcess *process)
+{
+    QMutexLocker locker(&mutex);
+
+    int serial = process->d_func()->serial;
+    QProcessInfo *info = children.value(serial);
+    if (!info)
+        return;
+
+#if defined (QPROCESS_DEBUG)
+    qDebug() << "QProcessManager::remove() removing pid" << info->pid << "process" << info->process;
+#endif
+
+    children.remove(serial);
+    delete info;
+}
+
+void QProcessManager::lock()
+{
+    mutex.lock();
+}
+
+void QProcessManager::unlock()
+{
+    mutex.unlock();
+}
+
+static void qt_create_pipe(int *pipe)
+{
+    if (pipe[0] != -1)
+        qt_native_close(pipe[0]);
+    if (pipe[1] != -1)
+        qt_native_close(pipe[1]);
+#ifdef Q_OS_IRIX
+    if (::socketpair(AF_UNIX, SOCK_STREAM, 0, pipe) == -1) {
+        qWarning("QProcessPrivate::createPipe: Cannot create pipe %p: %s",
+                 pipe, qPrintable(qt_error_string(errno)));
+    }
+#else
+    if (::pipe(pipe) != 0) {
+        qWarning("QProcessPrivate::createPipe: Cannot create pipe %p: %s",
+                 pipe, qPrintable(qt_error_string(errno)));
+    }
+#endif
+    ::fcntl(pipe[0], F_SETFD, FD_CLOEXEC);
+    ::fcntl(pipe[1], F_SETFD, FD_CLOEXEC);
+}
+
+void QProcessPrivate::destroyPipe(int *pipe)
+{
+    if (pipe[1] != -1) {
+        qt_native_close(pipe[1]);
+        pipe[1] = -1;
+    }
+    if (pipe[0] != -1) {
+        qt_native_close(pipe[0]);
+        pipe[0] = -1;
+    }
+}
+
+/*
+    Create the pipes to a QProcessPrivate::Channel.
+
+    This function must be called in order: stdin, stdout, stderr
+*/
+bool QProcessPrivate::createChannel(Channel &channel)
+{
+    Q_Q(QProcess);
+
+    if (&channel == &stderrChannel && processChannelMode == QProcess::MergedChannels) {
+        channel.pipe[0] = -1;
+        channel.pipe[1] = -1;
+        return true;
+    }
+
+    if (channel.type == Channel::Normal) {
+        // we're piping this channel to our own process
+        qt_create_pipe(channel.pipe);
+
+        // create the socket notifiers
+        if (threadData->eventDispatcher) {
+            if (&channel == &stdinChannel) {
+                channel.notifier = new QSocketNotifier(channel.pipe[1],
+                                                       QSocketNotifier::Write, q);
+                channel.notifier->setEnabled(false);
+                QObject::connect(channel.notifier, SIGNAL(activated(int)),
+                                 q, SLOT(_q_canWrite()));
+            } else {
+                channel.notifier = new QSocketNotifier(channel.pipe[0],
+                                                       QSocketNotifier::Read, q);
+                const char *receiver;
+                if (&channel == &stdoutChannel)
+                    receiver = SLOT(_q_canReadStandardOutput());
+                else
+                    receiver = SLOT(_q_canReadStandardError());
+                QObject::connect(channel.notifier, SIGNAL(activated(int)),
+                                 q, receiver);
+            }
+        }
+
+        return true;
+    } else if (channel.type == Channel::Redirect) {
+        // we're redirecting the channel to/from a file
+        QByteArray fname = QFile::encodeName(channel.file);
+
+        if (&channel == &stdinChannel) {
+            // try to open in read-only mode
+            channel.pipe[1] = -1;
+            if ( (channel.pipe[0] = QT_OPEN(fname, O_RDONLY)) != -1)
+                return true;    // success
+
+            q->setErrorString(QProcess::tr("Could not open input redirection for reading"));
+        } else {
+            int mode = O_WRONLY | O_CREAT;
+            if (channel.append)
+                mode |= O_APPEND;
+            else
+                mode |= O_TRUNC;
+
+            channel.pipe[0] = -1;
+            if ( (channel.pipe[1] = QT_OPEN(fname, mode, 0666)) != -1)
+                return true; // success
+
+            q->setErrorString(QProcess::tr("Could not open output redirection for writing"));
+        }
+
+        // could not open file
+        processError = QProcess::FailedToStart;
+        emit q->error(processError);
+        cleanup();
+        return false;
+    } else {
+        Q_ASSERT_X(channel.process, "QProcess::start", "Internal error");
+
+        Channel *source;
+        Channel *sink;
+
+        if (channel.type == Channel::PipeSource) {
+            // we are the source
+            source = &channel;
+            sink = &channel.process->stdinChannel;
+
+            Q_ASSERT(source == &stdoutChannel);
+            Q_ASSERT(sink->process == this && sink->type == Channel::PipeSink);
+        } else {
+            // we are the sink;
+            source = &channel.process->stdoutChannel;
+            sink = &channel;
+
+            Q_ASSERT(sink == &stdinChannel);
+            Q_ASSERT(source->process == this && source->type == Channel::PipeSource);
+        }
+
+        if (source->pipe[1] != INVALID_Q_PIPE || sink->pipe[0] != INVALID_Q_PIPE) {
+            // already created, do nothing
+            return true;
+        } else {
+            Q_ASSERT(source->pipe[0] == INVALID_Q_PIPE && source->pipe[1] == INVALID_Q_PIPE);
+            Q_ASSERT(sink->pipe[0] == INVALID_Q_PIPE && sink->pipe[1] == INVALID_Q_PIPE);
+
+            Q_PIPE pipe[2] = { -1, -1 };
+            qt_create_pipe(pipe);
+            sink->pipe[0] = pipe[0];
+            source->pipe[1] = pipe[1];
+
+            return true;
+        }
+    }
+}
+
+static char **_q_dupEnvironment(const QHash<QString, QString> *environment, int *envc)
+{
+    *envc = 0;
+    if (!environment)
+        return 0;               // use the default environment
+
+    // if LD_LIBRARY_PATH exists in the current environment, but
+    // not in the environment list passed by the programmer, then
+    // copy it over.
+#if defined(Q_OS_MAC)
+    static const char libraryPath[] = "DYLD_LIBRARY_PATH";
+#else
+    static const char libraryPath[] = "LD_LIBRARY_PATH";
+#endif
+    const QByteArray envLibraryPath = qgetenv(libraryPath);
+    bool needToAddLibraryPath = !envLibraryPath.isEmpty() &&
+                                !environment->contains(QLatin1String(libraryPath));
+
+    char **envp = new char *[environment->count() + 2];
+    envp[environment->count()] = 0;
+    envp[environment->count() + 1] = 0;
+
+    QHash<QString, QString>::ConstIterator it = environment->constBegin();
+    const QHash<QString, QString>::ConstIterator end = environment->constEnd();
+    for ( ; it != end; ++it) {
+        QByteArray key = it.key().toLocal8Bit();
+        QByteArray value = it.value().toLocal8Bit();
+        key.reserve(key.length() + 1 + value.length());
+        key.append('=');
+        key.append(value);
+
+        envp[(*envc)++] = ::strdup(key.constData());
+    }
+
+    if (needToAddLibraryPath)
+        envp[(*envc)++] = ::strdup(QByteArray(libraryPath) + '=' +
+                                 envLibraryPath);
+    return envp;
+}
+
+// under QNX RTOS we have to use vfork() when multithreading
+inline pid_t qt_fork()
+{
+#if defined(Q_OS_QNX)
+    return vfork();
+#else
+    return fork();
+#endif
+}
+
+#ifdef Q_OS_MAC
+Q_GLOBAL_STATIC(QMutex, cfbundleMutex);
+#endif
+
+void QProcessPrivate::startProcess()
+{
+    Q_Q(QProcess);
+
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::startProcess()");
+#endif
+
+    processManager()->start();
+
+    // Initialize pipes
+    qt_create_pipe(childStartedPipe);
+    if (threadData->eventDispatcher) {
+        startupSocketNotifier = new QSocketNotifier(childStartedPipe[0],
+                                                    QSocketNotifier::Read, q);
+        QObject::connect(startupSocketNotifier, SIGNAL(activated(int)),
+                         q, SLOT(_q_startupNotification()));
+    }
+
+    qt_create_pipe(deathPipe);
+    ::fcntl(deathPipe[0], F_SETFD, FD_CLOEXEC);
+    ::fcntl(deathPipe[1], F_SETFD, FD_CLOEXEC);
+    if (threadData->eventDispatcher) {
+        deathNotifier = new QSocketNotifier(deathPipe[0],
+                                            QSocketNotifier::Read, q);
+        QObject::connect(deathNotifier, SIGNAL(activated(int)),
+                         q, SLOT(_q_processDied()));
+    }
+
+    if (!createChannel(stdinChannel) ||
+        !createChannel(stdoutChannel) ||
+        !createChannel(stderrChannel))
+        return;
+
+    // Start the process (platform dependent)
+    q->setProcessState(QProcess::Starting);
+
+    // Create argument list with right number of elements, and set the final
+    // one to 0.
+    char **argv = new char *[arguments.count() + 2];
+    argv[arguments.count() + 1] = 0;
+
+    // Encode the program name.
+    QByteArray encodedProgramName = QFile::encodeName(program);
+#ifdef Q_OS_MAC
+    // allow invoking of .app bundles on the Mac.
+    QFileInfo fileInfo(QString::fromUtf8(encodedProgramName.constData()));
+    if (encodedProgramName.endsWith(".app") && fileInfo.isDir()) {
+        QCFType<CFURLRef> url = CFURLCreateWithFileSystemPath(0,
+                                                          QCFString(fileInfo.absoluteFilePath()),
+                                                          kCFURLPOSIXPathStyle, true);
+        {
+            // CFBundle is not reentrant, since CFBundleCreate might return a reference
+            // to a cached bundle object. Protect the bundle calls with a mutex lock.
+            QMutexLocker lock(cfbundleMutex());
+            QCFType<CFBundleRef> bundle = CFBundleCreate(0, url);
+            url = CFBundleCopyExecutableURL(bundle);
+        }
+        if (url) {
+            QCFString str = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle);
+            encodedProgramName += "/Contents/MacOS/" + static_cast<QString>(str).toUtf8();
+        }
+    }
+#endif
+
+    // Add the program name to the argument list.
+    char *dupProgramName = ::strdup(encodedProgramName.constData());
+    argv[0] = dupProgramName;
+
+    // Add every argument to the list
+    for (int i = 0; i < arguments.count(); ++i) {
+        QString arg = arguments.at(i);
+#ifdef Q_OS_MAC
+        // Mac OS X uses UTF8 for exec, regardless of the system locale.
+        argv[i + 1] = ::strdup(arg.toUtf8().constData());
+#else
+        argv[i + 1] = ::strdup(arg.toLocal8Bit().constData());
+#endif
+    }
+
+    // Duplicate the environment.
+    int envc = 0;
+    char **envp = _q_dupEnvironment(environment, &envc);
+
+    // Encode the working directory if it's non-empty, otherwise just pass 0.
+    const char *workingDirPtr = 0;
+    QByteArray encodedWorkingDirectory;
+    if (!workingDirectory.isEmpty()) {
+        encodedWorkingDirectory = QFile::encodeName(workingDirectory);
+        workingDirPtr = encodedWorkingDirectory.constData();
+    }
+
+    // If the program does not specify a path, generate a list of possible
+    // locations for the binary using the PATH environment variable.
+    char **path = 0;
+    int pathc = 0;
+    if (!program.contains(QLatin1Char('/'))) {
+        const QString pathEnv = QString::fromLocal8Bit(::getenv("PATH"));
+        if (!pathEnv.isEmpty()) {
+            QStringList pathEntries = pathEnv.split(QLatin1Char(':'), QString::SkipEmptyParts);
+            if (!pathEntries.isEmpty()) {
+                pathc = pathEntries.size();
+                path = new char *[pathc + 1];
+                path[pathc] = 0;
+
+                for (int k = 0; k < pathEntries.size(); ++k) {
+                    QByteArray tmp = QFile::encodeName(pathEntries.at(k));
+                    if (!tmp.endsWith('/')) tmp += '/';
+                    tmp += encodedProgramName;
+                    path[k] = ::strdup(tmp.constData());
+                }
+            }
+        }
+    }
+
+    // Start the process manager, and fork off the child process.
+    processManager()->lock();
+    pid_t childPid = qt_fork();
+    int lastForkErrno = errno;
+    if (childPid != 0) {
+        // Clean up duplicated memory.
+        free(dupProgramName);
+        for (int i = 1; i <= arguments.count(); ++i)
+            free(argv[i]);
+        for (int i = 0; i < envc; ++i)
+            free(envp[i]);
+        for (int i = 0; i < pathc; ++i)
+            free(path[i]);
+        delete [] argv;
+        delete [] envp;
+        delete [] path;
+    }
+    if (childPid < 0) {
+        // Cleanup, report error and return
+#if defined (QPROCESS_DEBUG)
+        qDebug("qt_fork failed: %s", qt_error_string(lastForkErrno));
+#endif
+        processManager()->unlock();
+        q->setProcessState(QProcess::NotRunning);
+        processError = QProcess::FailedToStart;
+        q->setErrorString(QProcess::tr("Resource error (fork failure): %1").arg(qt_error_string(lastForkErrno)));
+        emit q->error(processError);
+        cleanup();
+        return;
+    }
+
+    // Start the child.
+    if (childPid == 0) {
+        execChild(workingDirPtr, path, argv, envp);
+        ::_exit(-1);
+    }
+
+    // Register the child. In the mean time, we can get a SIGCHLD, so we need
+    // to keep the lock held to avoid a race to catch the child.
+    processManager()->add(childPid, q);
+    pid = Q_PID(childPid);
+    processManager()->unlock();
+
+    // parent
+    // close the ends we don't use and make all pipes non-blocking
+    ::fcntl(deathPipe[0], F_SETFL, ::fcntl(deathPipe[0], F_GETFL) | O_NONBLOCK);
+    qt_native_close(childStartedPipe[1]);
+    childStartedPipe[1] = -1;
+
+    if (stdinChannel.pipe[0] != -1) {
+        qt_native_close(stdinChannel.pipe[0]);
+        stdinChannel.pipe[0] = -1;
+    }
+
+    if (stdinChannel.pipe[1] != -1)
+        ::fcntl(stdinChannel.pipe[1], F_SETFL, ::fcntl(stdinChannel.pipe[1], F_GETFL) | O_NONBLOCK);
+
+    if (stdoutChannel.pipe[1] != -1) {
+        qt_native_close(stdoutChannel.pipe[1]);
+        stdoutChannel.pipe[1] = -1;
+    }
+
+    if (stdoutChannel.pipe[0] != -1)
+        ::fcntl(stdoutChannel.pipe[0], F_SETFL, ::fcntl(stdoutChannel.pipe[0], F_GETFL) | O_NONBLOCK);
+
+    if (stderrChannel.pipe[1] != -1) {
+        qt_native_close(stderrChannel.pipe[1]);
+        stderrChannel.pipe[1] = -1;
+    }
+    if (stderrChannel.pipe[0] != -1)
+        ::fcntl(stderrChannel.pipe[0], F_SETFL, ::fcntl(stderrChannel.pipe[0], F_GETFL) | O_NONBLOCK);
+}
+
+void QProcessPrivate::execChild(const char *workingDir, char **path, char **argv, char **envp)
+{
+    ::signal(SIGPIPE, SIG_DFL);         // reset the signal that we ignored
+
+    Q_Q(QProcess);
+
+    // copy the stdin socket
+    qt_native_dup2(stdinChannel.pipe[0], fileno(stdin));
+
+    // copy the stdout and stderr if asked to
+    if (processChannelMode != QProcess::ForwardedChannels) {
+        qt_native_dup2(stdoutChannel.pipe[1], fileno(stdout));
+
+        // merge stdout and stderr if asked to
+        if (processChannelMode == QProcess::MergedChannels) {
+            qt_native_dup2(fileno(stdout), fileno(stderr));
+        } else {
+            qt_native_dup2(stderrChannel.pipe[1], fileno(stderr));
+        }
+    }
+
+    // make sure this fd is closed if execvp() succeeds
+    qt_native_close(childStartedPipe[0]);
+    ::fcntl(childStartedPipe[1], F_SETFD, FD_CLOEXEC);
+
+    // enter the working directory
+    if (workingDir)
+        qt_native_chdir(workingDir);
+
+    // this is a virtual call, and it base behavior is to do nothing.
+    q->setupChildProcess();
+
+    // execute the process
+    if (!envp) {
+        qt_native_execvp(argv[0], argv);
+    } else {
+        if (path) {
+            char **arg = path;
+            while (*arg) {
+                argv[0] = *arg;
+#if defined (QPROCESS_DEBUG)
+                fprintf(stderr, "QProcessPrivate::execChild() searching / starting %s\n", argv[0]);
+#endif
+                qt_native_execve(argv[0], argv, envp);
+                ++arg;
+            }
+        } else {
+#if defined (QPROCESS_DEBUG)
+            fprintf(stderr, "QProcessPrivate::execChild() starting %s\n", argv[0]);
+#endif
+            qt_native_execve(argv[0], argv, envp);
+        }
+    }
+
+    // notify failure
+#if defined (QPROCESS_DEBUG)
+    fprintf(stderr, "QProcessPrivate::execChild() failed, notifying parent process\n");
+#endif
+    qt_native_write(childStartedPipe[1], "", 1);
+    qt_native_close(childStartedPipe[1]);
+    childStartedPipe[1] = -1;
+}
+
+bool QProcessPrivate::processStarted()
+{
+    char c;
+    int i = qt_native_read(childStartedPipe[0], &c, 1);
+    if (startupSocketNotifier) {
+        startupSocketNotifier->setEnabled(false);
+        startupSocketNotifier->deleteLater();
+        startupSocketNotifier = 0;
+    }
+    qt_native_close(childStartedPipe[0]);
+    childStartedPipe[0] = -1;
+
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::processStarted() == %s", i <= 0 ? "true" : "false");
+#endif
+    return i <= 0;
+}
+
+qint64 QProcessPrivate::bytesAvailableFromStdout() const
+{
+    size_t nbytes = 0;
+    qint64 available = 0;
+    if (::ioctl(stdoutChannel.pipe[0], FIONREAD, (char *) &nbytes) >= 0)
+        available = (qint64) *((int *) &nbytes);
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::bytesAvailableFromStdout() == %lld", available);
+#endif
+    return available;
+}
+
+qint64 QProcessPrivate::bytesAvailableFromStderr() const
+{
+    size_t nbytes = 0;
+    qint64 available = 0;
+    if (::ioctl(stderrChannel.pipe[0], FIONREAD, (char *) &nbytes) >= 0)
+        available = (qint64) *((int *) &nbytes);
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::bytesAvailableFromStderr() == %lld", available);
+#endif
+    return available;
+}
+
+qint64 QProcessPrivate::readFromStdout(char *data, qint64 maxlen)
+{
+    qint64 bytesRead = qt_native_read(stdoutChannel.pipe[0], data, maxlen);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::readFromStdout(%p \"%s\", %lld) == %lld",
+           data, qt_prettyDebug(data, bytesRead, 16).constData(), maxlen, bytesRead);
+#endif
+    return bytesRead;
+}
+
+qint64 QProcessPrivate::readFromStderr(char *data, qint64 maxlen)
+{
+    qint64 bytesRead = qt_native_read(stderrChannel.pipe[0], data, maxlen);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::readFromStderr(%p \"%s\", %lld) == %lld",
+           data, qt_prettyDebug(data, bytesRead, 16).constData(), maxlen, bytesRead);
+#endif
+    return bytesRead;
+}
+
+static void qt_ignore_sigpipe()
+{
+    // Set to ignore SIGPIPE once only.
+    static QBasicAtomicInt atom = Q_BASIC_ATOMIC_INITIALIZER(0);
+    if (atom.testAndSetRelaxed(0, 1)) {
+        struct sigaction noaction;
+        memset(&noaction, 0, sizeof(noaction));
+        noaction.sa_handler = SIG_IGN;
+        qt_native_sigaction(SIGPIPE, &noaction, 0);
+    }
+}
+
+qint64 QProcessPrivate::writeToStdin(const char *data, qint64 maxlen)
+{
+    qt_ignore_sigpipe();
+
+    qint64 written = qt_native_write(stdinChannel.pipe[1], data, maxlen);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::writeToStdin(%p \"%s\", %lld) == %lld",
+           data, qt_prettyDebug(data, maxlen, 16).constData(), maxlen, written);
+#endif
+    return written;
+}
+
+void QProcessPrivate::terminateProcess()
+{
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::killProcess()");
+#endif
+    if (pid)
+        ::kill(pid_t(pid), SIGTERM);
+}
+
+void QProcessPrivate::killProcess()
+{
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::killProcess()");
+#endif
+    if (pid)
+        ::kill(pid_t(pid), SIGKILL);
+}
+
+static int qt_native_select(fd_set *fdread, fd_set *fdwrite, int timeout)
+{
+    struct timeval tv;
+    tv.tv_sec = timeout / 1000;
+    tv.tv_usec = (timeout % 1000) * 1000;
+
+    int ret;
+    do {
+        ret = select(FD_SETSIZE, fdread, fdwrite, 0, timeout < 0 ? 0 : &tv);
+    } while (ret < 0 && (errno == EINTR));
+    return ret;
+}
+
+/*
+   Returns the difference between msecs and elapsed. If msecs is -1,
+   however, -1 is returned.
+*/
+static int qt_timeout_value(int msecs, int elapsed)
+{
+    if (msecs == -1)
+        return -1;
+
+    int timeout = msecs - elapsed;
+    return timeout < 0 ? 0 : timeout;
+}
+
+bool QProcessPrivate::waitForStarted(int msecs)
+{
+    Q_Q(QProcess);
+
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::waitForStarted(%d) waiting for child to start (fd = %d)", msecs,
+	   childStartedPipe[0]);
+#endif
+
+    fd_set fds;
+    FD_ZERO(&fds);
+    FD_SET(childStartedPipe[0], &fds);
+    int ret;
+    do {
+        ret = qt_native_select(&fds, 0, msecs);
+    } while (ret < 0 && errno == EINTR);
+    if (ret == 0) {
+        processError = QProcess::Timedout;
+        q->setErrorString(QProcess::tr("Process operation timed out"));
+#if defined (QPROCESS_DEBUG)
+        qDebug("QProcessPrivate::waitForStarted(%d) == false (timed out)", msecs);
+#endif
+        return false;
+    }
+
+    bool startedEmitted = _q_startupNotification();
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::waitForStarted() == %s", startedEmitted ? "true" : "false");
+#endif
+    return startedEmitted;
+}
+
+bool QProcessPrivate::waitForReadyRead(int msecs)
+{
+    Q_Q(QProcess);
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::waitForReadyRead(%d)", msecs);
+#endif
+
+    QTime stopWatch;
+    stopWatch.start();
+
+    forever {
+        fd_set fdread;
+        fd_set fdwrite;
+
+        FD_ZERO(&fdread);
+        FD_ZERO(&fdwrite);
+
+        if (processState == QProcess::Starting)
+            FD_SET(childStartedPipe[0], &fdread);
+
+        if (stdoutChannel.pipe[0] != -1)
+            FD_SET(stdoutChannel.pipe[0], &fdread);
+        if (stderrChannel.pipe[0] != -1)
+            FD_SET(stderrChannel.pipe[0], &fdread);
+
+        FD_SET(deathPipe[0], &fdread);
+
+        if (!writeBuffer.isEmpty() && stdinChannel.pipe[1] != -1)
+            FD_SET(stdinChannel.pipe[1], &fdwrite);
+
+        int timeout = qt_timeout_value(msecs, stopWatch.elapsed());
+        int ret = qt_native_select(&fdread, &fdwrite, timeout);
+        if (ret < 0) {
+            if (errno == EINTR)
+                continue;
+            break;
+        }
+        if (ret == 0) {
+            processError = QProcess::Timedout;
+            q->setErrorString(QProcess::tr("Process operation timed out"));
+	    return false;
+	}
+
+	if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
+            if (!_q_startupNotification())
+                return false;
+	}
+
+        bool readyReadEmitted = false;
+	if (stdoutChannel.pipe[0] != -1 && FD_ISSET(stdoutChannel.pipe[0], &fdread)) {
+	    bool canRead = _q_canReadStandardOutput();
+            if (processChannel == QProcess::StandardOutput && canRead)
+                readyReadEmitted = true;
+	}
+	if (stderrChannel.pipe[0] != -1 && FD_ISSET(stderrChannel.pipe[0], &fdread)) {
+	    bool canRead = _q_canReadStandardError();
+            if (processChannel == QProcess::StandardError && canRead)
+                readyReadEmitted = true;
+	}
+        if (readyReadEmitted)
+            return true;
+
+	if (stdinChannel.pipe[1] != -1 && FD_ISSET(stdinChannel.pipe[1], &fdwrite))
+	    _q_canWrite();
+
+	if (deathPipe[0] == -1 || FD_ISSET(deathPipe[0], &fdread)) {
+            if (_q_processDied())
+                return false;
+        }
+    }
+    return false;
+}
+
+bool QProcessPrivate::waitForBytesWritten(int msecs)
+{
+    Q_Q(QProcess);
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::waitForBytesWritten(%d)", msecs);
+#endif
+
+    QTime stopWatch;
+    stopWatch.start();
+
+    while (!writeBuffer.isEmpty()) {
+        fd_set fdread;
+        fd_set fdwrite;
+
+        FD_ZERO(&fdread);
+        FD_ZERO(&fdwrite);
+
+        if (processState == QProcess::Starting)
+            FD_SET(childStartedPipe[0], &fdread);
+
+        if (stdoutChannel.pipe[0] != -1)
+            FD_SET(stdoutChannel.pipe[0], &fdread);
+        if (stderrChannel.pipe[0] != -1)
+            FD_SET(stderrChannel.pipe[0], &fdread);
+
+        FD_SET(deathPipe[0], &fdread);
+
+        if (!writeBuffer.isEmpty() && stdinChannel.pipe[1] != -1)
+            FD_SET(stdinChannel.pipe[1], &fdwrite);
+
+	int timeout = qt_timeout_value(msecs, stopWatch.elapsed());
+	int ret = qt_native_select(&fdread, &fdwrite, timeout);
+        if (ret < 0) {
+            if (errno == EINTR)
+                continue;
+            break;
+        }
+
+        if (ret == 0) {
+	    processError = QProcess::Timedout;
+	    q->setErrorString(QProcess::tr("Process operation timed out"));
+	    return false;
+	}
+
+	if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
+	    if (!_q_startupNotification())
+		return false;
+	}
+
+	if (stdinChannel.pipe[1] != -1 && FD_ISSET(stdinChannel.pipe[1], &fdwrite))
+	    return _q_canWrite();
+
+	if (stdoutChannel.pipe[0] != -1 && FD_ISSET(stdoutChannel.pipe[0], &fdread))
+	    _q_canReadStandardOutput();
+
+	if (stderrChannel.pipe[0] != -1 && FD_ISSET(stderrChannel.pipe[0], &fdread))
+	    _q_canReadStandardError();
+
+	if (deathPipe[0] == -1 || FD_ISSET(deathPipe[0], &fdread)) {
+            if (_q_processDied())
+                return false;
+        }
+    }
+
+    return false;
+}
+
+bool QProcessPrivate::waitForFinished(int msecs)
+{
+    Q_Q(QProcess);
+#if defined (QPROCESS_DEBUG)
+    qDebug("QProcessPrivate::waitForFinished(%d)", msecs);
+#endif
+
+    QTime stopWatch;
+    stopWatch.start();
+
+    forever {
+        fd_set fdread;
+        fd_set fdwrite;
+
+        FD_ZERO(&fdread);
+        FD_ZERO(&fdwrite);
+
+        if (processState == QProcess::Starting)
+            FD_SET(childStartedPipe[0], &fdread);
+
+        if (stdoutChannel.pipe[0] != -1)
+            FD_SET(stdoutChannel.pipe[0], &fdread);
+        if (stderrChannel.pipe[0] != -1)
+            FD_SET(stderrChannel.pipe[0], &fdread);
+
+        if (processState == QProcess::Running)
+            FD_SET(deathPipe[0], &fdread);
+
+        if (!writeBuffer.isEmpty() && stdinChannel.pipe[1] != -1)
+            FD_SET(stdinChannel.pipe[1], &fdwrite);
+
+	int timeout = qt_timeout_value(msecs, stopWatch.elapsed());
+	int ret = qt_native_select(&fdread, &fdwrite, timeout);
+        if (ret < 0) {
+            if (errno == EINTR)
+                continue;
+            break;
+        }
+	if (ret == 0) {
+	    processError = QProcess::Timedout;
+	    q->setErrorString(QProcess::tr("Process operation timed out"));
+	    return false;
+	}
+
+	if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
+	    if (!_q_startupNotification())
+		return false;
+	}
+	if (stdinChannel.pipe[1] != -1 && FD_ISSET(stdinChannel.pipe[1], &fdwrite))
+	    _q_canWrite();
+
+	if (stdoutChannel.pipe[0] != -1 && FD_ISSET(stdoutChannel.pipe[0], &fdread))
+	    _q_canReadStandardOutput();
+
+	if (stderrChannel.pipe[0] != -1 && FD_ISSET(stderrChannel.pipe[0], &fdread))
+	    _q_canReadStandardError();
+
+	if (deathPipe[0] == -1 || FD_ISSET(deathPipe[0], &fdread)) {
+            if (_q_processDied())
+                return true;
+	}
+    }
+    return false;
+}
+
+bool QProcessPrivate::waitForWrite(int msecs)
+{
+    fd_set fdwrite;
+    FD_ZERO(&fdwrite);
+    FD_SET(stdinChannel.pipe[1], &fdwrite);
+
+    int ret;
+    do {
+        ret = qt_native_select(0, &fdwrite, msecs < 0 ? 0 : msecs) == 1;
+    } while (ret < 0 && errno == EINTR);
+    return ret == 1;
+}
+
+void QProcessPrivate::findExitCode()
+{
+    Q_Q(QProcess);
+    processManager()->remove(q);
+}
+
+bool QProcessPrivate::waitForDeadChild()
+{
+    Q_Q(QProcess);
+
+    // read a byte from the death pipe
+    char c;
+    qt_native_read(deathPipe[0], &c, 1);
+
+    // check if our process is dead
+    int exitStatus;
+    pid_t waitResult = 0;
+    do {
+        waitResult = waitpid(pid_t(pid), &exitStatus, WNOHANG);
+    } while ((waitResult == -1 && errno == EINTR));
+    if (waitResult > 0) {
+        processManager()->remove(q);
+        crashed = !WIFEXITED(exitStatus);
+        exitCode = WEXITSTATUS(exitStatus);
+#if defined QPROCESS_DEBUG
+        qDebug() << "QProcessPrivate::waitForDeadChild() dead with exitCode"
+                 << exitCode << ", crashed?" << crashed;
+#endif
+        return true;
+    }
+#if defined QPROCESS_DEBUG
+    qDebug() << "QProcessPrivate::waitForDeadChild() not dead!";
+#endif
+    return false;
+}
+
+void QProcessPrivate::_q_notified()
+{
+}
+
+/*! \internal
+ */
+bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory, qint64 *pid)
+{
+    processManager()->start();
+
+    QByteArray encodedWorkingDirectory = QFile::encodeName(workingDirectory);
+
+    // To catch the startup of the child
+    int startedPipe[2];
+    ::pipe(startedPipe);
+    // To communicate the pid of the child
+    int pidPipe[2];
+    ::pipe(pidPipe);
+
+    pid_t childPid = qt_fork();
+    if (childPid == 0) {
+        struct sigaction noaction;
+        memset(&noaction, 0, sizeof(noaction));
+        noaction.sa_handler = SIG_IGN;
+        qt_native_sigaction(SIGPIPE, &noaction, 0);
+
+        ::setsid();
+
+        qt_native_close(startedPipe[0]);
+        qt_native_close(pidPipe[0]);
+
+        pid_t doubleForkPid = qt_fork();
+        if (doubleForkPid == 0) {
+            ::fcntl(startedPipe[1], F_SETFD, FD_CLOEXEC);
+            qt_native_close(pidPipe[1]);
+
+            if (!encodedWorkingDirectory.isEmpty())
+                qt_native_chdir(encodedWorkingDirectory.constData());
+
+            char **argv = new char *[arguments.size() + 2];
+            for (int i = 0; i < arguments.size(); ++i) {
+#ifdef Q_OS_MAC
+                argv[i + 1] = ::strdup(arguments.at(i).toUtf8().constData());
+#else
+                argv[i + 1] = ::strdup(arguments.at(i).toLocal8Bit().constData());
+#endif
+            }
+            argv[arguments.size() + 1] = 0;
+
+            if (!program.contains(QLatin1Char('/'))) {
+                const QString path = QString::fromLocal8Bit(::getenv("PATH"));
+                if (!path.isEmpty()) {
+                    QStringList pathEntries = path.split(QLatin1Char(':'));
+                    for (int k = 0; k < pathEntries.size(); ++k) {
+                        QByteArray tmp = QFile::encodeName(pathEntries.at(k));
+                        if (!tmp.endsWith('/')) tmp += '/';
+                        tmp += QFile::encodeName(program);
+                        argv[0] = tmp.data();
+                        qt_native_execv(argv[0], argv);
+                    }
+                }
+            } else {
+                QByteArray tmp = QFile::encodeName(program);
+                argv[0] = tmp.data();
+                qt_native_execv(argv[0], argv);
+            }
+
+            struct sigaction noaction;
+            memset(&noaction, 0, sizeof(noaction));
+            noaction.sa_handler = SIG_IGN;
+            qt_native_sigaction(SIGPIPE, &noaction, 0);
+
+            // '\1' means execv failed
+            char c = '\1';
+            qt_native_write(startedPipe[1], &c, 1);
+            qt_native_close(startedPipe[1]);
+            ::_exit(1);
+        } else if (doubleForkPid == -1) {
+            struct sigaction noaction;
+            memset(&noaction, 0, sizeof(noaction));
+            noaction.sa_handler = SIG_IGN;
+            qt_native_sigaction(SIGPIPE, &noaction, 0);
+
+            // '\2' means internal error
+            char c = '\2';
+            qt_native_write(startedPipe[1], &c, 1);
+        }
+
+        qt_native_close(startedPipe[1]);
+        qt_native_write(pidPipe[1], (const char *)&doubleForkPid, sizeof(pid_t));
+        qt_native_chdir("/");
+        ::_exit(1);
+    }
+
+    qt_native_close(startedPipe[1]);
+    qt_native_close(pidPipe[1]);
+
+    if (childPid == -1) {
+        qt_native_close(startedPipe[0]);
+        qt_native_close(pidPipe[0]);
+        return false;
+    }
+
+    char reply = '\0';
+    int startResult = qt_native_read(startedPipe[0], &reply, 1);
+    int result;
+    qt_native_close(startedPipe[0]);
+    while (::waitpid(childPid, &result, 0) == -1 && errno == EINTR)
+    { }
+    bool success = (startResult != -1 && reply == '\0');
+    if (success && pid) {
+        pid_t actualPid = 0;
+        if (qt_native_read(pidPipe[0], (char *)&actualPid, sizeof(pid_t)) == sizeof(pid_t)) {
+            *pid = actualPid;
+        } else {
+            *pid = 0;
+        }
+    }
+    qt_native_close(pidPipe[0]);
+    return success;
+}
+
+void QProcessPrivate::initializeProcessManager()
+{
+    (void) processManager();
+}
+
+QT_END_NAMESPACE
+
+#include "qprocess_unix.moc"
+
+#endif // QT_NO_PROCESS
diff --git a/src/corelib/io/qprocess_win.cpp b/src/corelib/io/qprocess_win.cpp
new file mode 100644
index 0000000000..5d862e55f9
--- /dev/null
+++ b/src/corelib/io/qprocess_win.cpp
@@ -0,0 +1,934 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qprocess.h"
+#include "qprocess_p.h"
+#include "qwindowspipewriter_p.h"
+
+#include <qdatetime.h>
+#include <qdir.h>
+#include <qfileinfo.h>
+#include <qtimer.h>
+#include <qthread.h>
+#include <qmutex.h>
+#include <qwaitcondition.h>
+#include <private/qwineventnotifier_p.h>
+#include <private/qthread_p.h>
+#include <qdebug.h>
+
+#include "private/qfsfileengine_p.h" // for longFileName and win95FileName
+
+
+#ifndef QT_NO_PROCESS
+
+QT_BEGIN_NAMESPACE
+
+//#define QPROCESS_DEBUG
+
+#define NOTIFYTIMEOUT 100
+
+static void qt_create_pipe(Q_PIPE *pipe, bool in)
+{
+    // Open the pipes.  Make non-inheritable copies of input write and output
+    // read handles to avoid non-closable handles (this is done by the
+    // DuplicateHandle() call).
+
+#if !defined(Q_OS_WINCE)
+    SECURITY_ATTRIBUTES secAtt = { sizeof( SECURITY_ATTRIBUTES ), NULL, TRUE };
+
+    HANDLE tmpHandle;
+    if (in) {                   // stdin
+        if (!CreatePipe(&pipe[0], &tmpHandle, &secAtt, 1024 * 1024))
+            return;
+        if (!DuplicateHandle(GetCurrentProcess(), tmpHandle, GetCurrentProcess(),
+                             &pipe[1], 0, FALSE, DUPLICATE_SAME_ACCESS))
+            return;
+    } else {                    // stdout or stderr
+        if (!CreatePipe(&tmpHandle, &pipe[1], &secAtt, 1024 * 1024))
+            return;
+        if (!DuplicateHandle(GetCurrentProcess(), tmpHandle, GetCurrentProcess(),
+                             &pipe[0], 0, FALSE, DUPLICATE_SAME_ACCESS))
+            return;
+    }
+
+    CloseHandle(tmpHandle);
+#else
+	Q_UNUSED(pipe);
+	Q_UNUSED(in);
+#endif
+}
+
+/*
+    Create the pipes to a QProcessPrivate::Channel.
+
+    This function must be called in order: stdin, stdout, stderr
+*/
+bool QProcessPrivate::createChannel(Channel &channel)
+{
+    Q_Q(QProcess);
+
+    if (&channel == &stderrChannel && processChannelMode == QProcess::MergedChannels) {
+        return DuplicateHandle(GetCurrentProcess(), stdoutChannel.pipe[1], GetCurrentProcess(),
+                               &stderrChannel.pipe[1], 0, TRUE, DUPLICATE_SAME_ACCESS);
+    }
+
+    if (channel.type == Channel::Normal) {
+        // we're piping this channel to our own process
+        qt_create_pipe(channel.pipe, &channel == &stdinChannel);
+
+        return true;
+    } else if (channel.type == Channel::Redirect) {
+        // we're redirecting the channel to/from a file
+        SECURITY_ATTRIBUTES secAtt = { sizeof(SECURITY_ATTRIBUTES), NULL, TRUE };
+
+        if (&channel == &stdinChannel) {
+            // try to open in read-only mode
+            channel.pipe[1] = INVALID_Q_PIPE;
+            QT_WA({
+                channel.pipe[0] =
+                    CreateFileW((TCHAR*)QFSFileEnginePrivate::longFileName(channel.file).utf16(),
+                                GENERIC_READ,
+                                FILE_SHARE_READ | FILE_SHARE_WRITE,
+                                &secAtt,
+                                OPEN_EXISTING,
+                                FILE_ATTRIBUTE_NORMAL,
+                                NULL);
+            }, {
+                channel.pipe[0] =
+                    CreateFileA(QFSFileEnginePrivate::win95Name(channel.file),
+                                GENERIC_READ,
+                                FILE_SHARE_READ | FILE_SHARE_WRITE,
+                                &secAtt,
+                                OPEN_EXISTING,
+                                FILE_ATTRIBUTE_NORMAL,
+                                NULL);
+            });
+            if (channel.pipe[0] != INVALID_Q_PIPE)
+                return true;
+
+            q->setErrorString(QProcess::tr("Could not open input redirection for reading"));
+        } else {
+            // open in write mode
+            channel.pipe[0] = INVALID_Q_PIPE;
+            DWORD creation;
+            if (channel.append)
+                creation = OPEN_ALWAYS;
+            else
+                creation = CREATE_ALWAYS;
+
+            QT_WA({
+                channel.pipe[1] =
+                    CreateFileW((TCHAR*)QFSFileEnginePrivate::longFileName(channel.file).utf16(),
+                                GENERIC_WRITE,
+                                FILE_SHARE_READ | FILE_SHARE_WRITE,
+                                &secAtt,
+                                creation,
+                                FILE_ATTRIBUTE_NORMAL,
+                                NULL);
+            }, {
+                channel.pipe[1] =
+                    CreateFileA(QFSFileEnginePrivate::win95Name(channel.file),
+                                GENERIC_WRITE,
+                                FILE_SHARE_READ | FILE_SHARE_WRITE,
+                                &secAtt,
+                                creation,
+                                FILE_ATTRIBUTE_NORMAL,
+                                NULL);
+            });
+            if (channel.pipe[1] != INVALID_Q_PIPE) {
+                if (channel.append) {
+                    SetFilePointer(channel.pipe[1], 0, NULL, FILE_END);
+                }
+                return true;
+            }
+
+            q->setErrorString(QProcess::tr("Could not open output redirection for writing"));
+        }
+
+        // could not open file
+        processError = QProcess::FailedToStart;
+        emit q->error(processError);
+        cleanup();
+        return false;
+    } else {
+        Q_ASSERT_X(channel.process, "QProcess::start", "Internal error");
+
+        Channel *source;
+        Channel *sink;
+
+        if (channel.type == Channel::PipeSource) {
+            // we are the source
+            source = &channel;
+            sink = &channel.process->stdinChannel;
+
+            if (source->pipe[1] != INVALID_Q_PIPE) {
+                // already constructed by the sink
+                // make it inheritable
+                HANDLE tmpHandle = source->pipe[1];
+                if (!DuplicateHandle(GetCurrentProcess(), tmpHandle,
+                                     GetCurrentProcess(), &source->pipe[1],
+                                     0, TRUE, DUPLICATE_SAME_ACCESS))
+                    return false;
+
+                CloseHandle(tmpHandle);
+                return true;
+            }
+
+            Q_ASSERT(source == &stdoutChannel);
+            Q_ASSERT(sink->process == this && sink->type == Channel::PipeSink);
+
+            qt_create_pipe(source->pipe, /* in = */ false); // source is stdout
+            sink->pipe[0] = source->pipe[0];
+            source->pipe[0] = INVALID_Q_PIPE;
+
+            return true;
+        } else {
+            // we are the sink;
+            source = &channel.process->stdoutChannel;
+            sink = &channel;
+
+            if (sink->pipe[0] != INVALID_Q_PIPE) {
+                // already constructed by the source
+                // make it inheritable
+                HANDLE tmpHandle = sink->pipe[0];
+                if (!DuplicateHandle(GetCurrentProcess(), tmpHandle,
+                                     GetCurrentProcess(), &sink->pipe[0],
+                                     0, TRUE, DUPLICATE_SAME_ACCESS))
+                    return false;
+
+                CloseHandle(tmpHandle);
+                return true;
+            }
+            Q_ASSERT(sink == &stdinChannel);
+            Q_ASSERT(source->process == this && source->type == Channel::PipeSource);
+
+            qt_create_pipe(sink->pipe, /* in = */ true); // sink is stdin
+            source->pipe[1] = sink->pipe[1];
+            sink->pipe[1] = INVALID_Q_PIPE;
+
+            return true;
+        }
+    }
+}
+
+void QProcessPrivate::destroyPipe(Q_PIPE pipe[2])
+{
+    if (pipe[0] == stdinChannel.pipe[0] && pipe[1] == stdinChannel.pipe[1] && pipeWriter) {
+        delete pipeWriter;
+        pipeWriter = 0;
+    }
+
+    if (pipe[0] != INVALID_Q_PIPE) {
+        CloseHandle(pipe[0]);
+        pipe[0] = INVALID_Q_PIPE;
+    }
+    if (pipe[1] != INVALID_Q_PIPE) {
+        CloseHandle(pipe[1]);
+        pipe[1] = INVALID_Q_PIPE;
+    }
+}
+
+
+static QString qt_create_commandline(const QString &program, const QStringList &arguments)
+{
+    QString args;
+    if (!program.isEmpty()) {
+        QString programName = program;
+        if (!programName.startsWith(QLatin1Char('\"')) && !programName.endsWith(QLatin1Char('\"')) && programName.contains(QLatin1String(" ")))
+            programName = QLatin1String("\"") + programName + QLatin1String("\"");
+        programName.replace(QLatin1String("/"), QLatin1String("\\"));
+
+        // add the prgram as the first arg ... it works better
+        args = programName + QLatin1String(" ");
+    }
+
+    for (int i=0; i<arguments.size(); ++i) {
+        QString tmp = arguments.at(i);
+        // in the case of \" already being in the string the \ must also be escaped
+        tmp.replace( QLatin1String("\\\""), QLatin1String("\\\\\"") );
+        // escape a single " because the arguments will be parsed
+        tmp.replace( QLatin1String("\""), QLatin1String("\\\"") );
+        if (tmp.isEmpty() || tmp.contains(QLatin1Char(' ')) || tmp.contains(QLatin1Char('\t'))) {
+            // The argument must not end with a \ since this would be interpreted
+            // as escaping the quote -- rather put the \ behind the quote: e.g.
+            // rather use "foo"\ than "foo\"
+            QString endQuote(QLatin1String("\""));
+            int i = tmp.length();
+            while (i>0 && tmp.at(i-1) == QLatin1Char('\\')) {
+                --i;
+                endQuote += QLatin1String("\\");
+            }
+            args += QLatin1String(" \"") + tmp.left(i) + endQuote;
+        } else {
+            args += QLatin1Char(' ') + tmp;
+        }
+    }
+    return args;
+}
+
+static QByteArray qt_create_environment(const QHash<QString, QString> *environment)
+{
+    QByteArray envlist;
+    if (environment) {
+        QHash<QString, QString> copy = *environment;
+
+        // add PATH if necessary (for DLL loading)
+        if (!copy.contains(QLatin1String("PATH"))) {
+            QByteArray path = qgetenv("PATH");
+            if (!path.isEmpty())
+            copy.insert(QLatin1String("PATH"), QString::fromLocal8Bit(path));
+        }
+
+        // add systemroot if needed
+        if (!copy.contains(QLatin1String("SYSTEMROOT"))) {
+            QByteArray systemRoot = qgetenv("SYSTEMROOT");
+            if (!systemRoot.isEmpty())
+                copy.insert(QLatin1String("SYSTEMROOT"), QString::fromLocal8Bit(systemRoot));
+        }
+
+        int pos = 0;
+        QHash<QString, QString>::ConstIterator it = copy.constBegin(),
+                                              end = copy.constEnd();
+#ifdef UNICODE
+        if (!(QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based)) {
+            static const TCHAR equal = L'=';
+            static const TCHAR nul = L'\0';
+
+            for ( ; it != end; ++it) {
+                uint tmpSize = sizeof(TCHAR) * (it.key().length() + it.value().length() + 2);
+                // ignore empty strings
+                if (tmpSize == sizeof(TCHAR)*2)
+                    continue;
+                envlist.resize(envlist.size() + tmpSize);
+
+                tmpSize = it.key().length() * sizeof(TCHAR);
+                memcpy(envlist.data()+pos, it.key().utf16(), tmpSize);
+                pos += tmpSize;
+
+                memcpy(envlist.data()+pos, &equal, sizeof(TCHAR));
+                pos += sizeof(TCHAR);
+
+                tmpSize = it.value().length() * sizeof(TCHAR);
+                memcpy(envlist.data()+pos, it.value().utf16(), tmpSize);
+                pos += tmpSize;
+
+                memcpy(envlist.data()+pos, &nul, sizeof(TCHAR));
+                pos += sizeof(TCHAR);
+            }
+            // add the 2 terminating 0 (actually 4, just to be on the safe side)
+            envlist.resize( envlist.size()+4 );
+            envlist[pos++] = 0;
+            envlist[pos++] = 0;
+            envlist[pos++] = 0;
+            envlist[pos++] = 0;
+        } else
+#endif // UNICODE
+        {
+            for ( ; it != end; it++) {
+                QByteArray tmp = it.key().toLocal8Bit();
+                tmp.append('=');
+                tmp.append(it.value().toLocal8Bit());
+
+                uint tmpSize = tmp.length() + 1;
+                envlist.resize(envlist.size() + tmpSize);
+                memcpy(envlist.data()+pos, tmp.data(), tmpSize);
+                pos += tmpSize;
+            }
+            // add the terminating 0 (actually 2, just to be on the safe side)
+            envlist.resize(envlist.size()+2);
+            envlist[pos++] = 0;
+            envlist[pos++] = 0;
+        }
+    }
+    return envlist;
+}
+
+void QProcessPrivate::startProcess()
+{
+    Q_Q(QProcess);
+
+    bool success = false;
+
+    if (pid) {
+        CloseHandle(pid->hThread);
+        CloseHandle(pid->hProcess);
+        delete pid;
+        pid = 0;
+    }
+    pid = new PROCESS_INFORMATION;
+    memset(pid, 0, sizeof(PROCESS_INFORMATION));
+
+    q->setProcessState(QProcess::Starting);
+
+    if (!createChannel(stdinChannel) ||
+        !createChannel(stdoutChannel) ||
+        !createChannel(stderrChannel))
+        return;
+
+#if defined(Q_OS_WINCE)
+    QString args = qt_create_commandline(QString(), arguments);
+#else
+    QString args = qt_create_commandline(program, arguments);
+    QByteArray envlist = qt_create_environment(environment);
+#endif
+
+#if defined QPROCESS_DEBUG
+    qDebug("Creating process");
+    qDebug("   program : [%s]", program.toLatin1().constData());
+    qDebug("   args : %s", args.toLatin1().constData());
+    qDebug("   pass environment : %s", environment.isEmpty() ? "no" : "yes");
+#endif
+
+    DWORD dwCreationFlags = 0;
+    if (!(QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based))
+        dwCreationFlags |= CREATE_NO_WINDOW;
+
+#ifdef UNICODE
+    if (!(QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based)) {
+#if defined(Q_OS_WINCE)
+        QString fullPathProgram = program;
+        if (!QDir::isAbsolutePath(fullPathProgram))
+            fullPathProgram = QFileInfo(fullPathProgram).absoluteFilePath();
+        fullPathProgram.replace(QLatin1String("/"), QLatin1String("\\"));
+        success = CreateProcessW((WCHAR*)fullPathProgram.utf16(),
+                                 (WCHAR*)args.utf16(),
+                                 0, 0, false, 0, 0, 0, 0, pid);
+#else
+        dwCreationFlags |= CREATE_UNICODE_ENVIRONMENT;
+        STARTUPINFOW startupInfo = { sizeof( STARTUPINFO ), 0, 0, 0,
+	                                 (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
+                                         (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
+                                         0, 0, 0,
+                                         STARTF_USESTDHANDLES,
+                                         0, 0, 0,
+                                         stdinChannel.pipe[0], stdoutChannel.pipe[1], stderrChannel.pipe[1]
+        };
+        success = CreateProcessW(0, (WCHAR*)args.utf16(),
+                                 0, 0, TRUE, dwCreationFlags,
+                                 environment ? envlist.data() : 0,
+                                 workingDirectory.isEmpty() ? 0
+                                    : (WCHAR*)QDir::toNativeSeparators(workingDirectory).utf16(),
+                                 &startupInfo, pid);
+#endif
+    } else
+#endif // UNICODE
+    {
+#ifndef Q_OS_WINCE
+	    STARTUPINFOA startupInfo = { sizeof( STARTUPINFOA ), 0, 0, 0,
+                                         (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
+                                         (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
+                                         0, 0, 0,
+                                         STARTF_USESTDHANDLES,
+                                         0, 0, 0,
+                                         stdinChannel.pipe[0], stdoutChannel.pipe[1], stderrChannel.pipe[1]
+	    };
+
+	    success = CreateProcessA(0, args.toLocal8Bit().data(),
+                                     0, 0, TRUE, dwCreationFlags, environment ? envlist.data() : 0,
+                                     workingDirectory.isEmpty() ? 0
+                                        : QDir::toNativeSeparators(workingDirectory).toLocal8Bit().data(),
+                                     &startupInfo, pid);
+#endif // Q_OS_WINCE
+    }
+#ifndef Q_OS_WINCE
+    if (stdinChannel.pipe[0] != INVALID_Q_PIPE) {
+        CloseHandle(stdinChannel.pipe[0]);
+        stdinChannel.pipe[0] = INVALID_Q_PIPE;
+    }
+    if (stdoutChannel.pipe[1] != INVALID_Q_PIPE) {
+        CloseHandle(stdoutChannel.pipe[1]);
+        stdoutChannel.pipe[1] = INVALID_Q_PIPE;
+    }
+    if (stderrChannel.pipe[1] != INVALID_Q_PIPE) {
+        CloseHandle(stderrChannel.pipe[1]);
+        stderrChannel.pipe[1] = INVALID_Q_PIPE;
+    }
+#endif // Q_OS_WINCE
+
+    if (!success) {
+        cleanup();
+        processError = QProcess::FailedToStart;
+        q->setErrorString(QProcess::tr("Process failed to start"));
+        emit q->error(processError);
+        q->setProcessState(QProcess::NotRunning);
+        return;
+    }
+
+    q->setProcessState(QProcess::Running);
+    // User can call kill()/terminate() from the stateChanged() slot
+    // so check before proceeding 
+    if (!pid) 
+        return;
+
+    if (threadData->eventDispatcher) {
+        processFinishedNotifier = new QWinEventNotifier(pid->hProcess, q);
+        QObject::connect(processFinishedNotifier, SIGNAL(activated(HANDLE)), q, SLOT(_q_processDied()));
+        processFinishedNotifier->setEnabled(true);
+        notifier = new QTimer(q);
+        QObject::connect(notifier, SIGNAL(timeout()), q, SLOT(_q_notified()));
+        notifier->start(NOTIFYTIMEOUT);
+    }
+
+    // give the process a chance to start ...
+    Sleep(SLEEPMIN*2);
+    _q_startupNotification();
+}
+
+bool QProcessPrivate::processStarted()
+{
+    return processState == QProcess::Running;
+}
+
+qint64 QProcessPrivate::bytesAvailableFromStdout() const
+{
+    if (stdoutChannel.pipe[0] == INVALID_Q_PIPE)
+        return 0;
+
+    DWORD bytesAvail = 0;
+#if !defined(Q_OS_WINCE)
+	PeekNamedPipe(stdoutChannel.pipe[0], 0, 0, 0, &bytesAvail, 0);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::bytesAvailableFromStdout() == %d", bytesAvail);
+#endif
+    if (processChannelMode == QProcess::ForwardedChannels && bytesAvail > 0) {
+        QByteArray buf(bytesAvail, 0);
+        DWORD bytesRead = 0;
+        if (ReadFile(stdoutChannel.pipe[0], buf.data(), buf.size(), &bytesRead, 0) && bytesRead > 0) {
+            HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
+            if (hStdout) {
+                DWORD bytesWritten = 0;
+                WriteFile(hStdout, buf.data(), bytesRead, &bytesWritten, 0);
+            }
+        }
+        bytesAvail = 0;
+    }
+#endif
+    return bytesAvail;
+}
+
+qint64 QProcessPrivate::bytesAvailableFromStderr() const
+{
+    if (stderrChannel.pipe[0] == INVALID_Q_PIPE)
+        return 0;
+
+    DWORD bytesAvail = 0;
+#if !defined(Q_OS_WINCE)
+	PeekNamedPipe(stderrChannel.pipe[0], 0, 0, 0, &bytesAvail, 0);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::bytesAvailableFromStderr() == %d", bytesAvail);
+#endif
+    if (processChannelMode == QProcess::ForwardedChannels && bytesAvail > 0) {
+        QByteArray buf(bytesAvail, 0);
+        DWORD bytesRead = 0;
+        if (ReadFile(stderrChannel.pipe[0], buf.data(), buf.size(), &bytesRead, 0) && bytesRead > 0) {
+            HANDLE hStderr = GetStdHandle(STD_ERROR_HANDLE);
+            if (hStderr) {
+                DWORD bytesWritten = 0;
+                WriteFile(hStderr, buf.data(), bytesRead, &bytesWritten, 0);
+            }
+        }
+        bytesAvail = 0;
+    }
+#endif
+    return bytesAvail;
+}
+
+qint64 QProcessPrivate::readFromStdout(char *data, qint64 maxlen)
+{
+    DWORD read = qMin(maxlen, bytesAvailableFromStdout());
+    DWORD bytesRead = 0;
+
+    if (read > 0 && !ReadFile(stdoutChannel.pipe[0], data, read, &bytesRead, 0))
+        return -1;
+    return bytesRead;
+}
+
+qint64 QProcessPrivate::readFromStderr(char *data, qint64 maxlen)
+{
+    DWORD read = qMin(maxlen, bytesAvailableFromStderr());
+    DWORD bytesRead = 0;
+
+    if (read > 0 && !ReadFile(stderrChannel.pipe[0], data, read, &bytesRead, 0))
+        return -1;
+    return bytesRead;
+}
+
+
+static BOOL CALLBACK qt_terminateApp(HWND hwnd, LPARAM procId)
+{
+    DWORD currentProcId = 0;
+    GetWindowThreadProcessId(hwnd, &currentProcId);
+    if (currentProcId == (DWORD)procId)
+	    PostMessage(hwnd, WM_CLOSE, 0, 0);
+
+    return TRUE;
+}
+
+void QProcessPrivate::terminateProcess()
+{
+    if (pid) {
+        EnumWindows(qt_terminateApp, (LPARAM)pid->dwProcessId);
+        PostThreadMessage(pid->dwThreadId, WM_CLOSE, 0, 0);
+    }
+}
+
+void QProcessPrivate::killProcess()
+{
+    if (pid)
+        TerminateProcess(pid->hProcess, 0xf291);
+}
+
+bool QProcessPrivate::waitForStarted(int)
+{
+    Q_Q(QProcess);
+
+    if (processStarted())
+        return true;
+
+    if (processError == QProcess::FailedToStart)
+        return false;
+
+    processError = QProcess::Timedout;
+    q->setErrorString(QProcess::tr("Process operation timed out"));
+    return false;
+}
+
+bool QProcessPrivate::waitForReadyRead(int msecs)
+{
+    Q_Q(QProcess);
+
+#if defined(Q_OS_WINCE)
+    processError = QProcess::ReadError;
+    q->setErrorString(QProcess::tr("Error reading from process"));
+    emit q->error(processError);
+    return false;
+#endif
+
+    QIncrementalSleepTimer timer(msecs);
+
+    forever {
+        if (!writeBuffer.isEmpty() && !_q_canWrite())
+            return false;
+        if (pipeWriter && pipeWriter->waitForWrite(0))
+            timer.resetIncrements();
+        bool readyReadEmitted = false;
+        if (bytesAvailableFromStdout() != 0) {
+            readyReadEmitted = _q_canReadStandardOutput() ? true : readyReadEmitted;
+            timer.resetIncrements();
+        }
+
+        if (bytesAvailableFromStderr() != 0) {
+            readyReadEmitted = _q_canReadStandardError() ? true : readyReadEmitted;
+            timer.resetIncrements();
+        }
+
+        if (readyReadEmitted)
+            return true;
+
+        if (!pid)
+            return false;
+        if (WaitForSingleObject(pid->hProcess, 0) == WAIT_OBJECT_0) {
+            // find the return value if there is noew data to read
+            _q_processDied();
+            return false;
+        }
+
+        Sleep(timer.nextSleepTime());
+        if (timer.hasTimedOut())
+            break;
+    }
+
+    processError = QProcess::Timedout;
+    q->setErrorString(QProcess::tr("Process operation timed out"));
+    return false;
+}
+
+bool QProcessPrivate::waitForBytesWritten(int msecs)
+{
+    Q_Q(QProcess);
+
+#if defined(Q_OS_WINCE)
+    processError = QProcess::ReadError;
+    q->setErrorString(QProcess::tr("Error reading from process"));
+    emit q->error(processError);
+    return false;
+#endif
+
+    QIncrementalSleepTimer timer(msecs);
+
+    forever {
+        // Check if we have any data pending: the pipe writer has
+        // bytes waiting to written, or it has written data since the
+        // last time we called pipeWriter->waitForWrite().
+        bool pendingDataInPipe = pipeWriter && (pipeWriter->bytesToWrite() || pipeWriter->hadWritten());
+
+        // If we don't have pending data, and our write buffer is
+        // empty, we fail.
+        if (!pendingDataInPipe && writeBuffer.isEmpty())
+            return false;
+
+        // If we don't have pending data and we do have data in our
+        // write buffer, try to flush that data over to the pipe
+        // writer.  Fail on error.
+        if (!pendingDataInPipe) {
+            if (!_q_canWrite())
+                return false;
+        }
+
+        // Wait for the pipe writer to acknowledge that it has
+        // written. This will succeed if either the pipe writer has
+        // already written the data, or if it manages to write data
+        // within the given timeout. If the write buffer was non-empty
+        // and the pipeWriter is now dead, that means _q_canWrite()
+        // destroyed the writer after it successfully wrote the last
+        // batch.
+        if (!pipeWriter || pipeWriter->waitForWrite(0))
+            return true;
+
+        // If we wouldn't write anything, check if we can read stdout.
+        if (bytesAvailableFromStdout() != 0) {
+            _q_canReadStandardOutput();
+            timer.resetIncrements();
+        }
+
+        // Check if we can read stderr.
+        if (bytesAvailableFromStderr() != 0) {
+            _q_canReadStandardError();
+            timer.resetIncrements();
+        }
+
+        // Check if the process died while reading.
+        if (!pid)
+            return false;
+
+        // Wait for the process to signal any change in its state,
+        // such as incoming data, or if the process died.
+        if (WaitForSingleObject(pid->hProcess, 0) == WAIT_OBJECT_0) {
+            _q_processDied();
+            return false;
+        }
+
+        // Only wait for as long as we've been asked.
+        if (timer.hasTimedOut())
+            break;
+    }
+
+    processError = QProcess::Timedout;
+    q->setErrorString(QProcess::tr("Process operation timed out"));
+    return false;
+}
+
+
+bool QProcessPrivate::waitForFinished(int msecs)
+{
+    Q_Q(QProcess);
+#if defined QPROCESS_DEBUG
+    qDebug("QProcessPrivate::waitForFinished(%d)", msecs);
+#endif
+
+    QIncrementalSleepTimer timer(msecs);
+
+    forever {
+        if (!writeBuffer.isEmpty() && !_q_canWrite())
+            return false;
+        if (pipeWriter && pipeWriter->waitForWrite(0))
+            timer.resetIncrements();
+
+        if (bytesAvailableFromStdout() != 0) {
+            _q_canReadStandardOutput();
+            timer.resetIncrements();
+        }
+
+        if (bytesAvailableFromStderr() != 0) {
+            _q_canReadStandardError();
+            timer.resetIncrements();
+        }
+
+        if (!pid)
+            return true;
+
+        if (WaitForSingleObject(pid->hProcess, timer.nextSleepTime()) == WAIT_OBJECT_0) {
+            _q_processDied();
+            return true;
+        }
+
+        if (timer.hasTimedOut())
+            break;
+    }
+    processError = QProcess::Timedout;
+    q->setErrorString(QProcess::tr("Process operation timed out"));
+    return false;
+}
+
+
+void QProcessPrivate::findExitCode()
+{
+    DWORD theExitCode;
+    if (GetExitCodeProcess(pid->hProcess, &theExitCode)) {
+        exitCode = theExitCode;
+        //### for now we assume a crash if exit code is less than -1 or the magic number
+        crashed = (exitCode == 0xf291 || (int)exitCode < 0);
+    }
+}
+
+void QProcessPrivate::flushPipeWriter()
+{
+    if (pipeWriter && pipeWriter->bytesToWrite() > 0) {
+        pipeWriter->waitForWrite(ULONG_MAX);
+    }
+}
+
+qint64 QProcessPrivate::pipeWriterBytesToWrite() const
+{
+    return pipeWriter ? pipeWriter->bytesToWrite() : qint64(0);
+}
+
+qint64 QProcessPrivate::writeToStdin(const char *data, qint64 maxlen)
+{
+    Q_Q(QProcess);
+
+#if defined(Q_OS_WINCE)
+    processError = QProcess::WriteError;
+    q->setErrorString(QProcess::tr("Error writing to process"));
+    emit q->error(processError);
+    return -1;
+#endif
+
+    if (!pipeWriter) {
+        pipeWriter = new QWindowsPipeWriter(stdinChannel.pipe[1], q);
+        pipeWriter->start();
+    }
+
+    return pipeWriter->write(data, maxlen);
+}
+
+bool QProcessPrivate::waitForWrite(int msecs)
+{
+    Q_Q(QProcess);
+
+    if (!pipeWriter || pipeWriter->waitForWrite(msecs))
+        return true;
+
+    processError = QProcess::Timedout;
+    q->setErrorString(QProcess::tr("Process operation timed out"));
+    return false;
+}
+
+void QProcessPrivate::_q_notified()
+{
+    notifier->stop();
+
+    if (!writeBuffer.isEmpty() && (!pipeWriter || pipeWriter->waitForWrite(0)))
+        _q_canWrite();
+
+    if (bytesAvailableFromStdout())
+        _q_canReadStandardOutput();
+
+    if (bytesAvailableFromStderr())
+        _q_canReadStandardError();
+
+    if (processState != QProcess::NotRunning)
+        notifier->start(NOTIFYTIMEOUT);
+}
+
+bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDir, qint64 *pid)
+{
+#if defined(Q_OS_WINCE)
+    Q_UNUSED(workingDir);
+    QString args = qt_create_commandline(QString(), arguments);
+#else
+    QString args = qt_create_commandline(program, arguments);
+#endif
+
+    bool success = false;
+
+    PROCESS_INFORMATION pinfo;
+
+#ifdef UNICODE
+    if (!(QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based)) {
+#if defined(Q_OS_WINCE)
+        QString fullPathProgram = program;
+        if (!QDir::isAbsolutePath(fullPathProgram))
+            fullPathProgram.prepend(QDir::currentPath().append(QLatin1String("/")));
+        fullPathProgram.replace(QLatin1String("/"), QLatin1String("\\"));
+        success = CreateProcessW((WCHAR*)fullPathProgram.utf16(),
+                                 (WCHAR*)args.utf16(),
+                                 0, 0, false, CREATE_NEW_CONSOLE, 0, 0, 0, &pinfo);
+#else
+        STARTUPINFOW startupInfo = { sizeof( STARTUPINFO ), 0, 0, 0,
+                                     (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
+                                     (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
+                                     0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+                                   };
+        success = CreateProcessW(0, (WCHAR*)args.utf16(),
+                                 0, 0, FALSE, CREATE_UNICODE_ENVIRONMENT | CREATE_NEW_CONSOLE, 0, 
+                                 workingDir.isEmpty() ? (const WCHAR *)0 : (const WCHAR *)workingDir.utf16(),
+                                 &startupInfo, &pinfo);
+#endif
+    } else
+#endif // UNICODE
+    {
+#ifndef Q_OS_WINCE
+       STARTUPINFOA startupInfo = { sizeof( STARTUPINFOA ), 0, 0, 0,
+                                     (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
+                                     (ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
+                                     0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+                                  };
+       success = CreateProcessA(0, args.toLocal8Bit().data(),
+                                0, 0, FALSE, CREATE_NEW_CONSOLE, 0,
+                                workingDir.isEmpty() ? (LPCSTR)0 : workingDir.toLocal8Bit().constData(),
+                                &startupInfo, &pinfo);
+#endif // Q_OS_WINCE
+    }
+
+    if (success) {
+        CloseHandle(pinfo.hThread);
+        CloseHandle(pinfo.hProcess);
+        if (pid)
+            *pid = pinfo.dwProcessId;
+    }
+
+    return success;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_PROCESS
diff --git a/src/corelib/io/qresource.cpp b/src/corelib/io/qresource.cpp
new file mode 100644
index 0000000000..a1f921e2c9
--- /dev/null
+++ b/src/corelib/io/qresource.cpp
@@ -0,0 +1,1460 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qresource.h"
+#include "qresource_p.h"
+#include "qresource_iterator_p.h"
+#include "qset.h"
+#include "qhash.h"
+#include "qmutex.h"
+#include "qdebug.h"
+#include "qlocale.h"
+#include "qglobal.h"
+#include "qvector.h"
+#include "qdatetime.h"
+#include "qbytearray.h"
+#include "qstringlist.h"
+#include <qshareddata.h>
+#include <qplatformdefs.h>
+#include "private/qabstractfileengine_p.h"
+
+//#define DEBUG_RESOURCE_MATCH
+
+QT_BEGIN_NAMESPACE
+
+//resource glue
+class QResourceRoot
+{
+    enum Flags
+    {
+        Compressed = 0x01,
+        Directory = 0x02
+    };
+    const uchar *tree, *names, *payloads;
+    inline int findOffset(int node) const { return node * 14; } //sizeof each tree element
+    int hash(int node) const;
+    QString name(int node) const;
+    short flags(int node) const;
+public:
+    mutable QAtomicInt ref;
+
+    inline QResourceRoot(): tree(0), names(0), payloads(0) {}
+    inline QResourceRoot(const uchar *t, const uchar *n, const uchar *d) { setSource(t, n, d); }
+    virtual ~QResourceRoot() { }
+    int findNode(const QString &path, const QLocale &locale=QLocale()) const;
+    inline bool isContainer(int node) const { return flags(node) & Directory; }
+    inline bool isCompressed(int node) const { return flags(node) & Compressed; }
+    const uchar *data(int node, qint64 *size) const;
+    QStringList children(int node) const;
+    virtual QString mappingRoot() const { return QString(); }
+    bool mappingRootSubdir(const QString &path, QString *match=0) const;
+    inline bool operator==(const QResourceRoot &other) const
+    { return tree == other.tree && names == other.names && payloads == other.payloads; }
+    inline bool operator!=(const QResourceRoot &other) const
+    { return !operator==(other); }
+    enum ResourceRootType { Resource_Builtin, Resource_File, Resource_Buffer };
+    virtual ResourceRootType type() const { return Resource_Builtin; }
+
+protected:
+    inline void setSource(const uchar *t, const uchar *n, const uchar *d) {
+        tree = t;
+        names = n;
+        payloads = d;
+    }
+};
+
+Q_DECLARE_TYPEINFO(QResourceRoot, Q_MOVABLE_TYPE);
+
+Q_GLOBAL_STATIC_WITH_ARGS(QMutex, resourceMutex, (QMutex::Recursive))
+
+typedef QList<QResourceRoot*> ResourceList;
+Q_GLOBAL_STATIC(ResourceList, resourceList)
+
+Q_GLOBAL_STATIC(QStringList, resourceSearchPaths)
+
+/*!
+    \class QResource
+    \brief The QResource class provides an interface for reading directly from resources.
+
+    \ingroup io
+    \mainclass
+    \reentrant
+    \since 4.2
+
+    QResource is an object that represents a set of data (and possibly
+    children) relating to a single resource entity. QResource gives direct
+    access to the bytes in their raw format. In this way direct access
+    allows reading data without buffer copying or indirection. Indirection
+    is often useful when interacting with the resource entity as if it is a
+    file, this can be achieved with QFile. The data and children behind a
+    QResource are normally compiled into an application/library, but it is
+    also possible to load a resource at runtime. When loaded at run time
+    the resource file will be loaded as one big set of data and then given
+    out in pieces via references into the resource tree.
+
+    A QResource can either be loaded with an absolute path, either treated
+    as a file system rooted with a \c{/} character, or in resource notation
+    rooted with a \c{:} character. A relative resource can also be opened
+    which will be found through the searchPaths().
+
+    A QResource that is representing a file will have data backing it, this
+    data can possibly be compressed, in which case qUncompress() must be
+    used to access the real data; this happens implicitly when accessed
+    through a QFile. A QResource that is representing a directory will have
+    only children and no data.
+
+    \section1 Dynamic Resource Loading
+
+    A resource can be left out of an application's binary and loaded when
+    it is needed at run-time by using the registerResource() function. The
+    resource file passed into registerResource() must be a binary resource
+    as created by rcc. Further information about binary resources can be
+    found in \l{The Qt Resource System} documentation.
+
+    This can often be useful when loading a large set of application icons
+    that may change based on a setting, or that can be edited by a user and
+    later recreated. The resource is immediately loaded into memory, either
+    as a result of a single file read operation, or as a memory mapped file.
+
+    This approach can prove to be a significant performance gain as only a
+    single file will be loaded, and pieces of data will be given out via the
+    path requested in setFileName().
+
+    The unregisterResource() function removes a reference to a particular
+    file. If there are QResources that currently reference resources related
+    to the unregistered file, they will continue to be valid but the resource
+    file itself will be removed from the resource roots, and thus no further
+    QResource can be created pointing into this resource data. The resource
+    itself will be unmapped from memory when the last QResource that points
+    to it is destroyed.
+
+    \sa {The Qt Resource System}, QFile, QDir, QFileInfo
+*/
+
+class QResourcePrivate {
+public:
+    inline QResourcePrivate(QResource *_q) : q_ptr(_q) { clear(); }
+    inline ~QResourcePrivate() { clear(); }
+
+    void ensureInitialized() const;
+    void ensureChildren() const;
+
+    bool load(const QString &file);
+    void clear();
+
+    QLocale locale;
+    QString fileName, absoluteFilePath;
+    QList<QResourceRoot*> related;
+    uint container : 1;
+    mutable uint compressed : 1;
+    mutable qint64 size;
+    mutable const uchar *data;
+    mutable QStringList children;
+
+    QResource *q_ptr;
+    Q_DECLARE_PUBLIC(QResource)
+};
+
+void
+QResourcePrivate::clear()
+{
+    absoluteFilePath.clear();
+    compressed = 0;
+    data = 0;
+    size = 0;
+    children.clear();
+    container = 0;
+    for(int i = 0; i < related.size(); ++i) {
+        QResourceRoot *root = related.at(i);
+        if(!root->ref.deref())
+            delete root;
+    }
+    related.clear();
+}
+
+bool
+QResourcePrivate::load(const QString &file)
+{
+    related.clear();
+    QMutexLocker lock(resourceMutex());
+    const ResourceList *list = resourceList();
+    for(int i = 0; i < list->size(); ++i) {
+        QResourceRoot *res = list->at(i);
+        const int node = res->findNode(file);
+        if(node != -1) {
+            if(related.isEmpty()) {
+                container = res->isContainer(node);
+                if(!container) {
+                    data = res->data(node, &size);
+                    compressed = res->isCompressed(node);
+                } else {
+                    data = 0;
+                    size = 0;
+                    compressed = 0;
+                }
+            } else if(res->isContainer(node) != container) {
+                qWarning("QResourceInfo: Resource [%s] has both data and children!", file.toLatin1().constData());
+            }
+            res->ref.ref();
+            related.append(res);
+        } else if(res->mappingRootSubdir(file)) {
+            container = true;
+            data = 0;
+            size = 0;
+            compressed = 0;
+            res->ref.ref();
+            related.append(res);
+        }
+    }
+    return !related.isEmpty();
+}
+
+void
+QResourcePrivate::ensureInitialized() const
+{
+    if(!related.isEmpty())
+        return;
+    QResourcePrivate *that = const_cast<QResourcePrivate *>(this);
+    if(fileName == QLatin1String(":"))
+        that->fileName += QLatin1Char('/');
+    that->absoluteFilePath = fileName;
+    if(!that->absoluteFilePath.startsWith(QLatin1Char(':')))
+        that->absoluteFilePath.prepend(QLatin1Char(':'));
+
+    QString path = fileName;
+    if(path.startsWith(QLatin1Char(':')))
+        path = path.mid(1);
+
+    bool found = false;
+    if(path.startsWith(QLatin1Char('/'))) {
+        found = that->load(path);
+    } else {
+        QMutexLocker lock(resourceMutex());
+        QStringList searchPaths = *resourceSearchPaths();
+        searchPaths << QLatin1String("");
+        for(int i = 0; i < searchPaths.size(); ++i) {
+            const QString searchPath(searchPaths.at(i) + QLatin1Char('/') + path);
+            if(that->load(searchPath)) {
+                found = true;
+                that->absoluteFilePath = QLatin1Char(':') + searchPath;
+                break;
+            }
+        }
+    }
+}
+
+void
+QResourcePrivate::ensureChildren() const
+{
+    ensureInitialized();
+    if(!children.isEmpty() || !container || related.isEmpty())
+        return;
+
+    QString path = absoluteFilePath, k;
+    if(path.startsWith(QLatin1Char(':')))
+        path = path.mid(1);
+    QSet<QString> kids;
+    for(int i = 0; i < related.size(); ++i) {
+        QResourceRoot *res = related.at(i);
+        if(res->mappingRootSubdir(path, &k) && !k.isEmpty()) {
+            if(!kids.contains(k)) {
+                children += k;
+                kids.insert(k);
+            }
+        } else {
+            const int node = res->findNode(path);
+            if(node != -1) {
+                QStringList related_children = res->children(node);
+                for(int kid = 0; kid < related_children.size(); ++kid) {
+                    k = related_children.at(kid);
+                    if(!kids.contains(k)) {
+                        children += k;
+                        kids.insert(k);
+                    }
+                }
+            }
+        }
+    }
+}
+
+/*!
+    Constructs a QResource pointing to \a file. \a locale is used to
+    load a specific localization of a resource data.
+
+    \sa QFileInfo, searchPaths(), setFileName(), setLocale()
+*/
+
+QResource::QResource(const QString &file, const QLocale &locale) : d_ptr(new QResourcePrivate(this))
+{
+    Q_D(QResource);
+    d->fileName = file;
+    d->locale = locale;
+}
+
+/*!
+    Releases the resources of the QResource object.
+*/
+QResource::~QResource()
+{
+    delete d_ptr;
+}
+
+/*!
+    Sets a QResource to only load the localization of resource to for \a
+    locale. If a resource for the specific locale is not found then the
+    C locale is used.
+
+    \sa setFileName()
+*/
+
+void QResource::setLocale(const QLocale &locale)
+{
+    Q_D(QResource);
+    d->clear();
+    d->locale = locale;
+}
+
+/*!
+    Returns the locale used to locate the data for the QResource.
+*/
+
+QLocale QResource::locale() const
+{
+    Q_D(const QResource);
+    return d->locale;
+}
+
+/*!
+    Sets a QResource to point to \a file. \a file can either be absolute,
+    in which case it is opened directly, if relative then the file will be
+    tried to be found in searchPaths().
+
+    \sa absoluteFilePath()
+*/
+
+void QResource::setFileName(const QString &file)
+{
+    Q_D(QResource);
+    d->clear();
+    d->fileName = file;
+}
+
+/*!
+    Returns the full path to the file that this QResource represents as it
+    was passed.
+
+    \sa absoluteFilePath()
+*/
+
+QString QResource::fileName() const
+{
+    Q_D(const QResource);
+    d->ensureInitialized();
+    return d->fileName;
+}
+
+/*!
+    Returns the real path that this QResource represents, if the resource
+    was found via the searchPaths() it will be indicated in the path.
+
+    \sa fileName()
+*/
+
+QString QResource::absoluteFilePath() const
+{
+    Q_D(const QResource);
+    d->ensureInitialized();
+    return d->absoluteFilePath;
+}
+
+/*!
+    Returns true if the resource really exists in the resource heirarchy,
+    false otherwise.
+
+*/
+
+bool QResource::isValid() const
+{
+    Q_D(const QResource);
+    d->ensureInitialized();
+    return !d->related.isEmpty();
+}
+
+/*!
+    \fn bool QResource::isFile() const
+
+    Returns true if the resource represents a file and thus has data
+    backing it, false if it represents a directory.
+
+    \sa isDir()
+*/
+
+
+/*!
+    Returns true if the resource represents a file and the data backing it
+    is in a compressed format, false otherwise.
+
+    \sa data(), isFile()
+*/
+
+bool QResource::isCompressed() const
+{
+    Q_D(const QResource);
+    d->ensureInitialized();
+    return d->compressed;
+}
+
+/*!
+    Returns the size of the data backing the resource.
+
+    \sa data(), isFile()
+*/
+
+qint64 QResource::size() const
+{
+    Q_D(const QResource);
+    d->ensureInitialized();
+    return d->size;
+}
+
+/*!
+    Returns direct access to a read only segment of data that this resource
+    represents. If the resource is compressed the data returns is
+    compressed and qUncompress() must be used to access the data. If the
+    resource is a directory 0 is returned.
+
+    \sa size(), isCompressed(), isFile()
+*/
+
+const uchar *QResource::data() const
+{
+    Q_D(const QResource);
+    d->ensureInitialized();
+    return d->data;
+}
+
+/*!
+    Returns true if the resource represents a directory and thus may have
+    children() in it, false if it represents a file.
+
+    \sa isFile()
+*/
+
+bool QResource::isDir() const
+{
+    Q_D(const QResource);
+    d->ensureInitialized();
+    return d->container;
+}
+
+/*!
+    Returns a list of all resources in this directory, if the resource
+    represents a file the list will be empty.
+
+    \sa isDir()
+*/
+
+QStringList QResource::children() const
+{
+    Q_D(const QResource);
+    d->ensureChildren();
+    return d->children;
+}
+
+/*!
+  \obsolete
+
+  Adds \a path to the search paths searched in to find resources that are
+  not specified with an absolute path. The \a path must be an absolute
+  path (start with \c{/}).
+
+  The default search path is to search only in the root (\c{:/}). The last
+  path added will be consulted first upon next QResource creation.
+
+  Use QDir::addSearchPath() with a prefix instead.
+*/
+
+void
+QResource::addSearchPath(const QString &path)
+{
+    if (!path.startsWith(QLatin1Char('/'))) {
+        qWarning("QResource::addResourceSearchPath: Search paths must be absolute (start with /) [%s]",
+                 path.toLocal8Bit().data());
+        return;
+    }
+    QMutexLocker lock(resourceMutex());
+    resourceSearchPaths()->prepend(path);
+}
+
+/*!
+  Returns the current search path list. This list is consulted when
+  creating a relative resource.
+
+  \sa addSearchPath()
+*/
+
+QStringList
+QResource::searchPaths()
+{
+    QMutexLocker lock(resourceMutex());
+    return *resourceSearchPaths();
+}
+
+inline int QResourceRoot::hash(int node) const
+{
+    if(!node) //root
+        return 0;
+    const int offset = findOffset(node);
+    int name_offset = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
+                      (tree[offset+2] << 8) + (tree[offset+3] << 0);
+    name_offset += 2; //jump past name length
+    return (names[name_offset+0] << 24) + (names[name_offset+1] << 16) +
+           (names[name_offset+2] << 8) + (names[name_offset+3] << 0);
+}
+inline QString QResourceRoot::name(int node) const
+{
+    if(!node) // root
+        return QString();
+    const int offset = findOffset(node);
+
+    QString ret;
+    int name_offset = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
+                      (tree[offset+2] << 8) + (tree[offset+3] << 0);
+    const short name_length = (names[name_offset+0] << 8) +
+                              (names[name_offset+1] << 0);
+    name_offset += 2;
+    name_offset += 4; //jump past hash
+    for(int i = 0; i < name_length*2; i+=2)
+        ret += QChar(names[name_offset+i+1], names[name_offset+i]);
+    return ret;
+}
+int QResourceRoot::findNode(const QString &_path, const QLocale &locale) const
+{
+    QString path = QDir::cleanPath(_path);
+    // QDir::cleanPath does not remove two trailing slashes under _Windows_
+    // due to support for UNC paths. Remove those manually.
+    if (path.startsWith(QLatin1String("//")))
+        path.remove(0, 1);
+
+    {
+        QString root = mappingRoot();
+        if(!root.isEmpty()) {
+            if(root == path) {
+                path = QLatin1String("/");
+            } else {
+                if(!root.endsWith(QLatin1String("/")))
+                    root += QLatin1String("/");
+                if(path.size() >= root.size() && path.startsWith(root))
+                    path = path.mid(root.length()-1);
+                if(path.isEmpty())
+                    path = QLatin1String("/");
+            }
+        }
+    }
+#ifdef DEBUG_RESOURCE_MATCH
+    qDebug() << "!!!!" << "START" << path << locale.country() << locale.language();
+#endif
+
+    if(path == QLatin1String("/"))
+        return 0;
+
+    //the root node is always first
+    int child_count = (tree[6] << 24) + (tree[7] << 16) +
+                      (tree[8] << 8) + (tree[9] << 0);
+    int child       = (tree[10] << 24) + (tree[11] << 16) +
+                      (tree[12] << 8) + (tree[13] << 0);
+
+    //now iterate up the tree
+    int node = -1;
+    QStringList segments = path.split(QLatin1Char('/'), QString::SkipEmptyParts);
+#ifdef DEBUG_RESOURCE_MATCH
+    qDebug() << "****" << segments;
+#endif
+    for(int i = 0; child_count && i < segments.size(); ++i) {
+        const QString &segment = segments[i];
+#ifdef DEBUG_RESOURCE_MATCH
+        qDebug() << "  CHILDREN" << segment;
+        for(int j = 0; j < child_count; ++j) {
+            qDebug() << "   " << child+j << " :: " << name(child+j);
+        }
+#endif
+        const int h = qHash(segment);
+
+        //do the binary search for the hash
+        int l = 0, r = child_count-1;
+        int sub_node = (l+r+1)/2;
+        while(r != l) {
+            const int sub_node_hash = hash(child+sub_node);
+            if(h == sub_node_hash)
+                break;
+            else if(h < sub_node_hash)
+                r = sub_node - 1;
+            else
+                l = sub_node;
+            sub_node = (l + r + 1) / 2;
+        }
+        sub_node += child;
+
+        //now do the "harder" compares
+        bool found = false;
+        if(hash(sub_node) == h) {
+            while(sub_node > child && hash(sub_node-1) == h) //backup for collisions
+                --sub_node;
+            for(; sub_node < child+child_count && hash(sub_node) == h; ++sub_node) { //here we go...
+                if(name(sub_node) == segment) {
+                    found = true;
+                    int offset = findOffset(sub_node);
+#ifdef DEBUG_RESOURCE_MATCH
+                    qDebug() << "  TRY" << sub_node << name(sub_node) << offset;
+#endif
+                    offset += 4;  //jump past name
+
+                    const short flags = (tree[offset+0] << 8) +
+                                        (tree[offset+1] << 0);
+                    offset += 2;
+
+                    if(i == segments.size()-1) {
+                        if(!(flags & Directory)) {
+                            const short country = (tree[offset+0] << 8) +
+                                                  (tree[offset+1] << 0);
+                            offset += 2;
+
+                            const short language = (tree[offset+0] << 8) +
+                                                   (tree[offset+1] << 0);
+                            offset += 2;
+#ifdef DEBUG_RESOURCE_MATCH
+                            qDebug() << "    " << "LOCALE" << country << language;
+#endif
+                            if(country == locale.country() && language == locale.language()) {
+#ifdef DEBUG_RESOURCE_MATCH
+                                qDebug() << "!!!!" << "FINISHED" << __LINE__ << sub_node;
+#endif
+                                return sub_node;
+                            } else if((country == QLocale::AnyCountry && language == locale.language()) ||
+                                      (country == QLocale::AnyCountry && language == QLocale::C && node == -1)) {
+                                node = sub_node;
+                            }
+                            continue;
+                        } else {
+#ifdef DEBUG_RESOURCE_MATCH
+                            qDebug() << "!!!!" << "FINISHED" << __LINE__ << sub_node;
+#endif
+
+                            return sub_node;
+                        }
+                    }
+
+                    if(!(flags & Directory))
+                        return -1;
+
+                    child_count = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
+                                  (tree[offset+2] << 8) + (tree[offset+3] << 0);
+                    offset += 4;
+                    child = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
+                            (tree[offset+2] << 8) + (tree[offset+3] << 0);
+                    break;
+                }
+            }
+        }
+        if(!found)
+            break;
+    }
+#ifdef DEBUG_RESOURCE_MATCH
+    qDebug() << "!!!!" << "FINISHED" << __LINE__ << node;
+#endif
+    return node;
+}
+short QResourceRoot::flags(int node) const
+{
+    if(node == -1)
+        return 0;
+    const int offset = findOffset(node) + 4; //jump past name
+    return (tree[offset+0] << 8) + (tree[offset+1] << 0);
+}
+const uchar *QResourceRoot::data(int node, qint64 *size) const
+{
+    if(node == -1) {
+        *size = 0;
+        return 0;
+    }
+    int offset = findOffset(node) + 4; //jump past name
+
+    const short flags = (tree[offset+0] << 8) + (tree[offset+1] << 0);
+    offset += 2;
+
+    offset += 4; //jump past locale
+
+    if(!(flags & Directory)) {
+        const int data_offset = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
+                                (tree[offset+2] << 8) + (tree[offset+3] << 0);
+        const uint data_length = (payloads[data_offset+0] << 24) + (payloads[data_offset+1] << 16) +
+                                 (payloads[data_offset+2] << 8) + (payloads[data_offset+3] << 0);
+        const uchar *ret = payloads+data_offset+4;
+        *size = data_length;
+        return ret;
+    }
+    *size = 0;
+    return 0;
+}
+QStringList QResourceRoot::children(int node) const
+{
+    if(node == -1)
+        return QStringList();
+    int offset = findOffset(node) + 4; //jump past name
+
+    const short flags = (tree[offset+0] << 8) + (tree[offset+1] << 0);
+    offset += 2;
+
+    QStringList ret;
+    if(flags & Directory) {
+        const int child_count = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
+                                (tree[offset+2] << 8) + (tree[offset+3] << 0);
+        offset += 4;
+        const int child_off = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
+                              (tree[offset+2] << 8) + (tree[offset+3] << 0);
+        for(int i = child_off; i < child_off+child_count; ++i)
+            ret << name(i);
+    }
+    return ret;
+}
+bool QResourceRoot::mappingRootSubdir(const QString &path, QString *match) const
+{
+    const QString root = mappingRoot();
+    if(!root.isEmpty()) {
+        const QStringList root_segments = root.split(QLatin1Char('/'), QString::SkipEmptyParts),
+                          path_segments = path.split(QLatin1Char('/'), QString::SkipEmptyParts);
+        if(path_segments.size() <= root_segments.size()) {
+            int matched = 0;
+            for(int i = 0; i < path_segments.size(); ++i) {
+                if(root_segments[i] != path_segments[i])
+                    break;
+                ++matched;
+            }
+            if(matched == path_segments.size()) {
+                if(match && root_segments.size() > matched)
+                    *match = root_segments.at(matched);
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+Q_CORE_EXPORT bool qRegisterResourceData(int version, const unsigned char *tree,
+                                         const unsigned char *name, const unsigned char *data)
+{
+    QMutexLocker lock(resourceMutex());
+    if(version == 0x01 && resourceList()) {
+        bool found = false;
+        QResourceRoot res(tree, name, data);
+        for(int i = 0; i < resourceList()->size(); ++i) {
+            if(*resourceList()->at(i) == res) {
+                found = true;
+                break;
+            }
+        }
+        if(!found) {
+            QResourceRoot *root = new QResourceRoot(tree, name, data);
+            root->ref.ref();
+            resourceList()->append(root);
+        }
+        return true;
+    }
+    return false;
+}
+
+Q_CORE_EXPORT bool qUnregisterResourceData(int version, const unsigned char *tree,
+                                           const unsigned char *name, const unsigned char *data)
+{
+    QMutexLocker lock(resourceMutex());
+    if(version == 0x01 && resourceList()) {
+        QResourceRoot res(tree, name, data);
+        for(int i = 0; i < resourceList()->size(); ) {
+            if(*resourceList()->at(i) == res) {
+                QResourceRoot *root = resourceList()->takeAt(i);
+                if(!root->ref.deref())
+                    delete root;
+            } else {
+                ++i;
+            }
+        }
+        return true;
+    }
+    return false;
+}
+
+//run time resource creation
+
+class QDynamicBufferResourceRoot: public QResourceRoot
+{
+    QString root;
+    const uchar *buffer;
+
+public:
+    inline QDynamicBufferResourceRoot(const QString &_root) : root(_root), buffer(0) { }
+    inline ~QDynamicBufferResourceRoot() { }
+    inline const uchar *mappingBuffer() const { return buffer; }
+    virtual QString mappingRoot() const { return root; }
+    virtual ResourceRootType type() const { return Resource_Buffer; }
+
+    bool registerSelf(const uchar *b) {
+        //setup the data now
+        int offset = 0;
+
+        //magic number
+        if(b[offset+0] != 'q' || b[offset+1] != 'r' ||
+           b[offset+2] != 'e' || b[offset+3] != 's') {
+            return false;
+        }
+        offset += 4;
+
+        const int version = (b[offset+0] << 24) + (b[offset+1] << 16) +
+                         (b[offset+2] << 8) + (b[offset+3] << 0);
+        offset += 4;
+
+        const int tree_offset = (b[offset+0] << 24) + (b[offset+1] << 16) +
+                                (b[offset+2] << 8) + (b[offset+3] << 0);
+        offset += 4;
+
+        const int data_offset = (b[offset+0] << 24) + (b[offset+1] << 16) +
+                                (b[offset+2] << 8) + (b[offset+3] << 0);
+        offset += 4;
+
+        const int name_offset = (b[offset+0] << 24) + (b[offset+1] << 16) +
+                                (b[offset+2] << 8) + (b[offset+3] << 0);
+        offset += 4;
+
+        if(version == 0x01) {
+            buffer = b;
+            setSource(b+tree_offset, b+name_offset, b+data_offset);
+            return true;
+        }
+        return false;
+    }
+};
+
+#if defined(Q_OS_UNIX)
+#define QT_USE_MMAP
+#endif
+
+// most of the headers below are already included in qplatformdefs.h
+// also this lacks Large File support but that's probably irrelevant
+#if defined(QT_USE_MMAP)
+// for mmap
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <sys/mman.h>
+#include <errno.h>
+QT_END_INCLUDE_NAMESPACE
+#endif
+
+
+
+class QDynamicFileResourceRoot: public QDynamicBufferResourceRoot
+{
+    QString fileName;
+    // for mmap'ed files, this is what needs to be unmapped.
+    uchar *unmapPointer;
+    unsigned int unmapLength;
+
+public:
+    inline QDynamicFileResourceRoot(const QString &_root) : QDynamicBufferResourceRoot(_root), unmapPointer(0), unmapLength(0) { }
+    ~QDynamicFileResourceRoot() {
+#if defined(QT_USE_MMAP)
+        if (unmapPointer) {
+            munmap((char*)unmapPointer, unmapLength);
+            unmapPointer = 0;
+            unmapLength = 0;
+        } else
+#endif
+        {
+            delete [] (uchar *)mappingBuffer();
+        }
+    }
+    QString mappingFile() const { return fileName; }
+    virtual ResourceRootType type() const { return Resource_File; }
+
+    bool registerSelf(const QString &f) {
+        bool fromMM = false;
+        uchar *data = 0;
+        unsigned int data_len = 0;
+
+#ifdef QT_USE_MMAP
+
+#ifndef MAP_FILE
+#define MAP_FILE 0
+#endif
+#ifndef MAP_FAILED
+#define MAP_FAILED -1
+#endif
+
+        int fd = QT_OPEN(QFile::encodeName(f), O_RDONLY,
+#if defined(Q_OS_WIN)
+                         _S_IREAD | _S_IWRITE
+#else
+                         0666
+#endif
+            );
+        if (fd >= 0) {
+            QT_STATBUF st;
+            if (!QT_FSTAT(fd, &st)) {
+                uchar *ptr;
+                ptr = reinterpret_cast<uchar *>(
+                    mmap(0, st.st_size,             // any address, whole file
+                         PROT_READ,                 // read-only memory
+                         MAP_FILE | MAP_PRIVATE,    // swap-backed map from file
+                         fd, 0));                   // from offset 0 of fd
+                if (ptr && ptr != reinterpret_cast<uchar *>(MAP_FAILED)) {
+                    data = ptr;
+                    data_len = st.st_size;
+                    fromMM = true;
+                }
+            }
+            ::close(fd);
+        }
+#endif // QT_USE_MMAP
+        if(!data) {
+            QFile file(f);
+            if (!file.exists())
+                return false;
+            data_len = file.size();
+            data = new uchar[data_len];
+
+            bool ok = false;
+            if (file.open(QIODevice::ReadOnly))
+                ok = (data_len == (uint)file.read((char*)data, data_len));
+            if (!ok) {
+                delete [] data;
+                data = 0;
+                data_len = 0;
+                return false;
+            }
+            fromMM = false;
+        }
+        if(data && QDynamicBufferResourceRoot::registerSelf(data)) {
+            if(fromMM) {
+                unmapPointer = data;
+                unmapLength = data_len;
+            }
+            fileName = f;
+            return true;
+        }
+        return false;
+    }
+};
+
+static QString qt_resource_fixResourceRoot(QString r) {
+    if(!r.isEmpty()) {
+        if(r.startsWith(QLatin1Char(':')))
+            r = r.mid(1);
+        if(!r.isEmpty())
+            r = QDir::cleanPath(r);
+    }
+    return r;
+}
+
+
+/*!
+   \fn bool QResource::registerResource(const QString &rccFileName, const QString &mapRoot)
+
+   Registers the resource with the given \a rccFileName at the location in the
+   resource tree specified by \a mapRoot, and returns true if the file is
+   successfully opened; otherwise returns false.
+
+   \sa unregisterResource()
+*/
+
+bool
+QResource::registerResource(const QString &rccFilename, const QString &resourceRoot)
+{
+    QString r = qt_resource_fixResourceRoot(resourceRoot);
+    if(!r.isEmpty() && r[0] != QLatin1Char('/')) {
+        qWarning("QDir::registerResource: Registering a resource [%s] must be rooted in an absolute path (start with /) [%s]",
+                 rccFilename.toLocal8Bit().data(), resourceRoot.toLocal8Bit().data());
+        return false;
+    }
+
+    QDynamicFileResourceRoot *root = new QDynamicFileResourceRoot(r);
+    if(root->registerSelf(rccFilename)) {
+        root->ref.ref();
+        QMutexLocker lock(resourceMutex());
+        resourceList()->append(root);
+        return true;
+    }
+    delete root;
+    return false;
+}
+
+/*!
+  \fn bool QResource::unregisterResource(const QString &rccFileName, const QString &mapRoot)
+
+  Unregisters the resource with the given \a rccFileName at the location in
+  the resource tree specified by \a mapRoot, and returns true if the
+  resource is successfully unloaded and no references exist for the
+  resource; otherwise returns false.
+
+  \sa registerResource()
+*/
+
+bool
+QResource::unregisterResource(const QString &rccFilename, const QString &resourceRoot)
+{
+    QString r = qt_resource_fixResourceRoot(resourceRoot);
+
+    QMutexLocker lock(resourceMutex());
+    ResourceList *list = resourceList();
+    for(int i = 0; i < list->size(); ++i) {
+        QResourceRoot *res = list->at(i);
+        if(res->type() == QResourceRoot::Resource_File) {
+	    QDynamicFileResourceRoot *root = reinterpret_cast<QDynamicFileResourceRoot*>(res);
+	    if(root->mappingFile() == rccFilename && root->mappingRoot() == r) {
+                resourceList()->removeAt(i);
+                if(!root->ref.deref()) {
+                    delete root;
+                    return true;
+                }
+                return false;
+            }
+	}
+    }
+    return false;
+}
+
+
+/*!
+   \fn bool QResource::registerResource(const uchar *rccData, const QString &mapRoot)
+   \since 4.3
+
+   Registers the resource with the given \a rccData at the location in the
+   resource tree specified by \a mapRoot, and returns true if the file is
+   successfully opened; otherwise returns false.
+
+   \warning The data must remain valid throughout the life of any QFile
+   that may reference the resource data.
+
+   \sa unregisterResource()
+*/
+
+bool
+QResource::registerResource(const uchar *rccData, const QString &resourceRoot)
+{
+    QString r = qt_resource_fixResourceRoot(resourceRoot);
+    if(!r.isEmpty() && r[0] != QLatin1Char('/')) {
+        qWarning("QDir::registerResource: Registering a resource [%p] must be rooted in an absolute path (start with /) [%s]",
+                 rccData, resourceRoot.toLocal8Bit().data());
+        return false;
+    }
+
+    QDynamicBufferResourceRoot *root = new QDynamicBufferResourceRoot(r);
+    if(root->registerSelf(rccData)) {
+        root->ref.ref();
+        QMutexLocker lock(resourceMutex());
+        resourceList()->append(root);
+        return true;
+    }
+    delete root;
+    return false;
+}
+
+/*!
+  \fn bool QResource::unregisterResource(const uchar *rccData, const QString &mapRoot)
+  \since 4.3
+
+  Unregisters the resource with the given \a rccData at the location in the
+  resource tree specified by \a mapRoot, and returns true if the resource is
+  successfully unloaded and no references exist into the resource; otherwise returns false.
+
+  \sa registerResource()
+*/
+
+bool
+QResource::unregisterResource(const uchar *rccData, const QString &resourceRoot)
+{
+    QString r = qt_resource_fixResourceRoot(resourceRoot);
+
+    QMutexLocker lock(resourceMutex());
+    ResourceList *list = resourceList();
+    for(int i = 0; i < list->size(); ++i) {
+        QResourceRoot *res = list->at(i);
+        if(res->type() == QResourceRoot::Resource_Buffer) {
+	    QDynamicBufferResourceRoot *root = reinterpret_cast<QDynamicBufferResourceRoot*>(res);
+	    if(root->mappingBuffer() == rccData && root->mappingRoot() == r) {
+                resourceList()->removeAt(i);
+                if(!root->ref.deref()) {
+                    delete root;
+                    return true;
+                }
+		return false;
+            }
+	}
+    }
+    return false;
+}
+
+//file type handler
+class QResourceFileEngineHandler : public QAbstractFileEngineHandler
+{
+public:
+    QResourceFileEngineHandler() { }
+    ~QResourceFileEngineHandler() { }
+    QAbstractFileEngine *create(const QString &path) const;
+};
+QAbstractFileEngine *QResourceFileEngineHandler::create(const QString &path) const
+{
+    if (path.size() > 0 && path.startsWith(QLatin1Char(':')))
+        return new QResourceFileEngine(path);
+    return 0;
+}
+
+//resource engine
+class QResourceFileEnginePrivate : public QAbstractFileEnginePrivate
+{
+protected:
+    Q_DECLARE_PUBLIC(QResourceFileEngine)
+private:
+    uchar *map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags);
+    bool unmap(uchar *ptr);
+    qint64 offset;
+    QResource resource;
+    QByteArray uncompressed;
+protected:
+    QResourceFileEnginePrivate() : offset(0) { }
+};
+
+bool QResourceFileEngine::mkdir(const QString &, bool) const
+{
+    return false;
+}
+
+bool QResourceFileEngine::rmdir(const QString &, bool) const
+{
+    return false;
+}
+
+bool QResourceFileEngine::setSize(qint64)
+{
+    return false;
+}
+
+QStringList QResourceFileEngine::entryList(QDir::Filters filters, const QStringList &filterNames) const
+{
+    return QAbstractFileEngine::entryList(filters, filterNames);
+}
+
+bool QResourceFileEngine::caseSensitive() const
+{
+    return true;
+}
+
+QResourceFileEngine::QResourceFileEngine(const QString &file) :
+    QAbstractFileEngine(*new QResourceFileEnginePrivate)
+{
+    Q_D(QResourceFileEngine);
+    d->resource.setFileName(file);
+    if(d->resource.isCompressed() && d->resource.size()) {
+#ifndef QT_NO_COMPRESS
+        d->uncompressed = qUncompress(d->resource.data(), d->resource.size());
+#else
+        Q_ASSERT(!"QResourceFileEngine::open: Qt built without support for compression");
+#endif
+    }
+}
+
+QResourceFileEngine::~QResourceFileEngine()
+{
+}
+
+void QResourceFileEngine::setFileName(const QString &file)
+{
+    Q_D(QResourceFileEngine);
+    d->resource.setFileName(file);
+}
+
+bool QResourceFileEngine::open(QIODevice::OpenMode flags)
+{
+    Q_D(QResourceFileEngine);
+    if (d->resource.fileName().isEmpty()) {
+        qWarning("QResourceFileEngine::open: Missing file name");
+        return false;
+    }
+    if(flags & QIODevice::WriteOnly)
+        return false;
+    if(!d->resource.isValid())
+       return false;
+    return true;
+}
+
+bool QResourceFileEngine::close()
+{
+    Q_D(QResourceFileEngine);
+    d->offset = 0;
+    d->uncompressed.clear();
+    return true;
+}
+
+bool QResourceFileEngine::flush()
+{
+    return false;
+}
+
+qint64 QResourceFileEngine::read(char *data, qint64 len)
+{
+    Q_D(QResourceFileEngine);
+    if(len > size()-d->offset)
+        len = size()-d->offset;
+    if(len <= 0)
+        return 0;
+    if(d->resource.isCompressed())
+        memcpy(data, d->uncompressed.constData()+d->offset, len);
+    else
+        memcpy(data, d->resource.data()+d->offset, len);
+    d->offset += len;
+    return len;
+}
+
+qint64 QResourceFileEngine::write(const char *, qint64)
+{
+    return -1;
+}
+
+bool QResourceFileEngine::remove()
+{
+    return false;
+}
+
+bool QResourceFileEngine::copy(const QString &)
+{
+    return false;
+}
+
+bool QResourceFileEngine::rename(const QString &)
+{
+    return false;
+}
+
+bool QResourceFileEngine::link(const QString &)
+{
+    return false;
+}
+
+qint64 QResourceFileEngine::size() const
+{
+    Q_D(const QResourceFileEngine);
+    if(!d->resource.isValid())
+        return 0;
+    if(d->resource.isCompressed())
+        return d->uncompressed.size();
+    return d->resource.size();
+}
+
+qint64 QResourceFileEngine::pos() const
+{
+    Q_D(const QResourceFileEngine);
+    return d->offset;
+}
+
+bool QResourceFileEngine::atEnd() const
+{
+    Q_D(const QResourceFileEngine);
+    if(!d->resource.isValid())
+        return true;
+    return d->offset == size();
+}
+
+bool QResourceFileEngine::seek(qint64 pos)
+{
+    Q_D(QResourceFileEngine);
+    if(!d->resource.isValid())
+        return false;
+
+    if(d->offset > size())
+        return false;
+    d->offset = pos;
+    return true;
+}
+
+bool QResourceFileEngine::isSequential() const
+{
+    return false;
+}
+
+QAbstractFileEngine::FileFlags QResourceFileEngine::fileFlags(QAbstractFileEngine::FileFlags type) const
+{
+    Q_D(const QResourceFileEngine);
+    QAbstractFileEngine::FileFlags ret = 0;
+    if(!d->resource.isValid())
+        return ret;
+
+    if(type & PermsMask)
+        ret |= QAbstractFileEngine::FileFlags(ReadOwnerPerm|ReadUserPerm|ReadGroupPerm|ReadOtherPerm);
+    if(type & TypesMask) {
+        if(d->resource.isDir())
+            ret |= DirectoryType;
+        else
+            ret |= FileType;
+    }
+    if(type & FlagsMask) {
+        ret |= ExistsFlag;
+        if(d->resource.absoluteFilePath() == QLatin1String(":/"))
+            ret |= RootFlag;
+    }
+    return ret;
+}
+
+bool QResourceFileEngine::setPermissions(uint)
+{
+    return false;
+}
+
+QString QResourceFileEngine::fileName(FileName file) const
+{
+    Q_D(const QResourceFileEngine);
+    if(file == BaseName) {
+	int slash = d->resource.fileName().lastIndexOf(QLatin1Char('/'));
+	if (slash == -1)
+	    return d->resource.fileName();
+	return d->resource.fileName().mid(slash + 1);
+    } else if(file == PathName || file == AbsolutePathName) {
+        const QString path = (file == AbsolutePathName) ? d->resource.absoluteFilePath() : d->resource.fileName();
+	const int slash = path.lastIndexOf(QLatin1Char('/'));
+	if (slash != -1)
+	    return path.left(slash);
+    } else if(file == CanonicalName || file == CanonicalPathName) {
+        const QString absoluteFilePath = d->resource.absoluteFilePath();
+        if(file == CanonicalPathName) {
+            const int slash = absoluteFilePath.lastIndexOf(QLatin1Char('/'));
+            if (slash != -1)
+                return absoluteFilePath.left(slash);
+        }
+        return absoluteFilePath;
+    }
+    return d->resource.fileName();
+}
+
+bool QResourceFileEngine::isRelativePath() const
+{
+    return false;
+}
+
+uint QResourceFileEngine::ownerId(FileOwner) const
+{
+    static const uint nobodyID = (uint) -2;
+    return nobodyID;
+}
+
+QString QResourceFileEngine::owner(FileOwner) const
+{
+    return QString();
+}
+
+QDateTime QResourceFileEngine::fileTime(FileTime) const
+{
+    return QDateTime();
+}
+
+/*!
+    \internal
+*/
+QAbstractFileEngine::Iterator *QResourceFileEngine::beginEntryList(QDir::Filters filters,
+                                                                   const QStringList &filterNames)
+{
+    return new QResourceFileEngineIterator(filters, filterNames);
+}
+
+/*!
+    \internal
+*/
+QAbstractFileEngine::Iterator *QResourceFileEngine::endEntryList()
+{
+    return 0;
+}
+
+bool QResourceFileEngine::extension(Extension extension, const ExtensionOption *option, ExtensionReturn *output)
+{
+    Q_D(QResourceFileEngine);
+    if (extension == MapExtension) {
+        const MapExtensionOption *options = (MapExtensionOption*)(option);
+        MapExtensionReturn *returnValue = static_cast<MapExtensionReturn*>(output);
+        returnValue->address = d->map(options->offset, options->size, options->flags);
+        return (returnValue->address != 0);
+    }
+    if (extension == UnMapExtension) {
+        UnMapExtensionOption *options = (UnMapExtensionOption*)option;
+        return d->unmap(options->address);
+    }
+    return false;
+}
+
+bool QResourceFileEngine::supportsExtension(Extension extension) const
+{
+    return (extension == UnMapExtension || extension == MapExtension);
+}
+
+uchar *QResourceFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags)
+{
+    Q_Q(QResourceFileEngine);
+    Q_UNUSED(flags);
+    if (!resource.isValid()
+        || offset < 0
+        || size < 0
+        || offset + size > resource.size()
+        || (size == 0)) {
+        q->setError(QFile::UnspecifiedError, QString());
+        return 0;
+    }
+    uchar *address = const_cast<uchar *>(resource.data());
+    return (address + offset);
+}
+
+bool QResourceFileEnginePrivate::unmap(uchar *ptr)
+{
+    Q_UNUSED(ptr);
+    return true;
+}
+
+//Initialization and cleanup
+Q_GLOBAL_STATIC(QResourceFileEngineHandler, resource_file_handler)
+
+static int qt_force_resource_init() { resource_file_handler(); return 1; }
+Q_CORE_EXPORT void qInitResourceIO() { resource_file_handler(); }
+static int qt_forced_resource_init = qt_force_resource_init();
+Q_CONSTRUCTOR_FUNCTION(qt_force_resource_init)
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qresource.h b/src/corelib/io/qresource.h
new file mode 100644
index 0000000000..1e9b2d5872
--- /dev/null
+++ b/src/corelib/io/qresource.h
@@ -0,0 +1,104 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QRESOURCE_H
+#define QRESOURCE_H
+
+#include <QtCore/qstring.h>
+#include <QtCore/qlocale.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QResourcePrivate;
+
+class Q_CORE_EXPORT QResource
+{
+public:
+    QResource(const QString &file=QString(), const QLocale &locale=QLocale());
+    ~QResource();
+
+    void setFileName(const QString &file);
+    QString fileName() const;
+    QString absoluteFilePath() const;
+
+    void setLocale(const QLocale &locale);
+    QLocale locale() const;
+
+    bool isValid() const;
+
+    bool isCompressed() const;
+    qint64 size() const;
+    const uchar *data() const;
+
+    static void addSearchPath(const QString &path);
+    static QStringList searchPaths();
+
+    static bool registerResource(const QString &rccFilename, const QString &resourceRoot=QString());
+    static bool unregisterResource(const QString &rccFilename, const QString &resourceRoot=QString());
+
+    static bool registerResource(const uchar *rccData, const QString &resourceRoot=QString());
+    static bool unregisterResource(const uchar *rccData, const QString &resourceRoot=QString());
+
+protected:
+    friend class QResourceFileEngine;
+    friend class QResourceFileEngineIterator;
+    bool isDir() const;
+    inline bool isFile() const { return !isDir(); }
+    QStringList children() const;
+
+protected:
+    QResourcePrivate *d_ptr;
+
+private:
+    Q_DECLARE_PRIVATE(QResource)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QRESOURCE_H
diff --git a/src/corelib/io/qresource_iterator.cpp b/src/corelib/io/qresource_iterator.cpp
new file mode 100644
index 0000000000..0e7c0dd1e5
--- /dev/null
+++ b/src/corelib/io/qresource_iterator.cpp
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qresource.h"
+#include "qresource_iterator_p.h"
+
+#include <QtCore/qvariant.h>
+
+QT_BEGIN_NAMESPACE
+
+QResourceFileEngineIterator::QResourceFileEngineIterator(QDir::Filters filters,
+                                                         const QStringList &filterNames)
+    : QAbstractFileEngineIterator(filters, filterNames), index(-1)
+{
+}
+
+QResourceFileEngineIterator::~QResourceFileEngineIterator()
+{
+}
+
+QString QResourceFileEngineIterator::next()
+{
+    if (!hasNext())
+        return QString();
+    ++index;
+    return currentFilePath();
+}
+
+bool QResourceFileEngineIterator::hasNext() const
+{
+    if (index == -1) {
+        // Lazy initialization of the iterator
+        QResource resource(path());
+        if (!resource.isValid())
+            return false;
+
+        // Initialize and move to the next entry.
+        QResourceFileEngineIterator *that = const_cast<QResourceFileEngineIterator *>(this);
+        that->entries = resource.children();
+        if (!that->entries.isEmpty())
+            that->index = 0;
+    }
+
+    return index <= entries.size();
+}
+
+QString QResourceFileEngineIterator::currentFileName() const
+{
+    if (index <= 0 || index > entries.size())
+        return QString();
+    return entries.at(index - 1);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qresource_iterator_p.h b/src/corelib/io/qresource_iterator_p.h
new file mode 100644
index 0000000000..0cf8fe7e42
--- /dev/null
+++ b/src/corelib/io/qresource_iterator_p.h
@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QRESOURCE_ITERATOR_P_H
+#define QRESOURCE_ITERATOR_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qabstractfileengine.h"
+#include "qdir.h"
+
+QT_BEGIN_NAMESPACE
+
+class QResourceFileEngineIteratorPrivate;
+class QResourceFileEngineIterator : public QAbstractFileEngineIterator
+{
+public:
+    QResourceFileEngineIterator(QDir::Filters filters, const QStringList &filterNames);
+    ~QResourceFileEngineIterator();
+
+    QString next();
+    bool hasNext() const;
+
+    QString currentFileName() const;
+
+private:
+    QStringList entries;
+    int index;
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/io/qresource_p.h b/src/corelib/io/qresource_p.h
new file mode 100644
index 0000000000..9706e93687
--- /dev/null
+++ b/src/corelib/io/qresource_p.h
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QRESOURCE_P_H
+#define QRESOURCE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qabstractfileengine.h"
+
+QT_BEGIN_NAMESPACE
+
+class QResourceFileEnginePrivate;
+class QResourceFileEngine : public QAbstractFileEngine
+{
+private:
+    Q_DECLARE_PRIVATE(QResourceFileEngine)
+public:
+    explicit QResourceFileEngine(const QString &path);
+    ~QResourceFileEngine();
+
+    virtual void setFileName(const QString &file);
+
+    virtual bool open(QIODevice::OpenMode flags) ;
+    virtual bool close();
+    virtual bool flush();
+    virtual qint64 size() const;
+    virtual qint64 pos() const;
+    virtual bool atEnd() const;
+    virtual bool seek(qint64);
+    virtual qint64 read(char *data, qint64 maxlen);
+    virtual qint64 write(const char *data, qint64 len);
+
+    virtual bool remove();
+    virtual bool copy(const QString &newName);
+    virtual bool rename(const QString &newName);
+    virtual bool link(const QString &newName);
+
+    virtual bool isSequential() const;
+
+    virtual bool isRelativePath() const;
+
+    virtual bool mkdir(const QString &dirName, bool createParentDirectories) const;
+    virtual bool rmdir(const QString &dirName, bool recurseParentDirectories) const;
+
+    virtual bool setSize(qint64 size);
+
+    virtual QStringList entryList(QDir::Filters filters, const QStringList &filterNames) const;
+
+    virtual bool caseSensitive() const;
+
+    virtual FileFlags fileFlags(FileFlags type) const;
+
+    virtual bool setPermissions(uint perms);
+
+    virtual QString fileName(QAbstractFileEngine::FileName file) const;
+
+    virtual uint ownerId(FileOwner) const;
+    virtual QString owner(FileOwner) const;
+
+    virtual QDateTime fileTime(FileTime time) const;
+
+    virtual Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames);
+    virtual Iterator *endEntryList();
+    
+    bool extension(Extension extension, const ExtensionOption *option = 0, ExtensionReturn *output = 0);
+    bool supportsExtension(Extension extension) const;
+};
+
+QT_END_NAMESPACE
+
+#endif // QRESOURCE_P_H
diff --git a/src/corelib/io/qsettings.cpp b/src/corelib/io/qsettings.cpp
new file mode 100644
index 0000000000..62b4ed5e90
--- /dev/null
+++ b/src/corelib/io/qsettings.cpp
@@ -0,0 +1,3822 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qdebug.h>
+#include "qplatformdefs.h"
+#include "qsettings.h"
+
+#ifndef QT_NO_SETTINGS
+
+#include "qsettings_p.h"
+#include "qcache.h"
+#include "qfile.h"
+#include "qdir.h"
+#include "qfileinfo.h"
+#include "qmutex.h"
+#include "qlibraryinfo.h"
+#include "qtemporaryfile.h"
+
+#ifndef QT_NO_TEXTCODEC
+#  include "qtextcodec.h"
+#endif
+
+#ifndef QT_NO_GEOM_VARIANT
+#include "qsize.h"
+#include "qpoint.h"
+#include "qrect.h"
+#endif // !QT_NO_GEOM_VARIANT
+
+#ifndef QT_NO_QOBJECT
+#include "qcoreapplication.h"
+
+#ifdef Q_OS_WIN // for homedirpath reading from registry
+#include "qt_windows.h"
+#include "qlibrary.h"
+
+#endif // Q_OS_WIN
+#endif // QT_NO_QOBJECT
+
+#include <stdlib.h>
+
+#ifndef CSIDL_COMMON_APPDATA
+#define CSIDL_COMMON_APPDATA	0x0023  // All Users\Application Data
+#endif
+
+#ifndef CSIDL_APPDATA
+#define CSIDL_APPDATA		0x001a	// <username>\Application Data
+#endif
+
+// ************************************************************************
+// QConfFile
+
+/*
+    QConfFile objects are explicitly shared within the application.
+    This ensures that modification to the settings done through one
+    QSettings object are immediately reflected in other setting
+    objects of the same application.
+*/
+
+QT_BEGIN_NAMESPACE
+
+struct QConfFileCustomFormat
+{
+    QString extension;
+    QSettings::ReadFunc readFunc;
+    QSettings::WriteFunc writeFunc;
+    Qt::CaseSensitivity caseSensitivity;
+};
+
+typedef QHash<QString, QConfFile *> ConfFileHash;
+typedef QCache<QString, QConfFile> ConfFileCache;
+typedef QHash<int, QString> PathHash;
+typedef QVector<QConfFileCustomFormat> CustomFormatVector;
+
+Q_GLOBAL_STATIC(ConfFileHash, usedHashFunc)
+Q_GLOBAL_STATIC(ConfFileCache, unusedCacheFunc)
+Q_GLOBAL_STATIC(PathHash, pathHashFunc)
+Q_GLOBAL_STATIC(CustomFormatVector, customFormatVectorFunc)
+Q_GLOBAL_STATIC(QMutex, globalMutex)
+static QSettings::Format globalDefaultFormat = QSettings::NativeFormat;
+
+#ifndef Q_OS_WIN
+inline bool qt_isEvilFsTypeName(const char *name)
+{
+    return (qstrncmp(name, "nfs", 3) == 0
+            || qstrncmp(name, "autofs", 6) == 0
+            || qstrncmp(name, "cachefs", 7) == 0);
+}
+
+#if defined(Q_OS_BSD4) && !defined(Q_OS_NETBSD)
+QT_BEGIN_INCLUDE_NAMESPACE
+# include <sys/param.h>
+# include <sys/mount.h>
+QT_END_INCLUDE_NAMESPACE
+
+static bool isLikelyToBeNfs(int handle)
+{
+    struct statfs buf;
+    if (fstatfs(handle, &buf) != 0)
+        return false;
+    return qt_isEvilFsTypeName(buf.f_fstypename);
+}
+
+#elif defined(Q_OS_LINUX) || defined(Q_OS_HURD)
+QT_BEGIN_INCLUDE_NAMESPACE
+# include <sys/vfs.h>
+# ifdef QT_LINUXBASE
+   // LSB 3.2 has fstatfs in sys/statfs.h, sys/vfs.h is just an empty dummy header
+#  include <sys/statfs.h>
+# endif
+QT_END_INCLUDE_NAMESPACE
+# ifndef NFS_SUPER_MAGIC
+#  define NFS_SUPER_MAGIC       0x00006969
+# endif
+# ifndef AUTOFS_SUPER_MAGIC
+#  define AUTOFS_SUPER_MAGIC    0x00000187
+# endif
+# ifndef AUTOFSNG_SUPER_MAGIC
+#  define AUTOFSNG_SUPER_MAGIC  0x7d92b1a0
+# endif
+
+static bool isLikelyToBeNfs(int handle)
+{
+    struct statfs buf;
+    if (fstatfs(handle, &buf) != 0)
+        return false;
+    return buf.f_type == NFS_SUPER_MAGIC
+           || buf.f_type == AUTOFS_SUPER_MAGIC
+           || buf.f_type == AUTOFSNG_SUPER_MAGIC;
+}
+
+#elif defined(Q_OS_SOLARIS) || defined(Q_OS_IRIX) || defined(Q_OS_AIX) || defined(Q_OS_HPUX) \
+      || defined(Q_OS_OSF) || defined(Q_OS_QNX) || defined(Q_OS_QNX6) || defined(Q_OS_SCO) \
+      || defined(Q_OS_UNIXWARE) || defined(Q_OS_RELIANT) || defined(Q_OS_NETBSD)
+QT_BEGIN_INCLUDE_NAMESPACE
+# include <sys/statvfs.h>
+QT_END_INCLUDE_NAMESPACE
+
+static bool isLikelyToBeNfs(int handle)
+{
+    struct statvfs buf;
+    if (fstatvfs(handle, &buf) != 0)
+        return false;
+#if defined(Q_OS_NETBSD)
+    return qt_isEvilFsTypeName(buf.f_fstypename);
+#else
+    return qt_isEvilFsTypeName(buf.f_basetype);
+#endif
+}
+#else
+static inline bool isLikelyToBeNfs(int /* handle */)
+{
+    return true;
+}
+#endif
+
+static bool unixLock(int handle, int lockType)
+{
+    /*
+        NFS hangs on the fcntl() call below when statd or lockd isn't
+        running. There's no way to detect this. Our work-around for
+        now is to disable locking when we detect NFS (or AutoFS or
+        CacheFS, which are probably wrapping NFS).
+    */
+    if (isLikelyToBeNfs(handle))
+        return false;
+
+    struct flock fl;
+    fl.l_whence = SEEK_SET;
+    fl.l_start = 0;
+    fl.l_len = 0;
+    fl.l_type = lockType;
+    return fcntl(handle, F_SETLKW, &fl) == 0;
+}
+#endif
+
+QConfFile::QConfFile(const QString &fileName, bool _userPerms)
+    : name(fileName), size(0), ref(1), userPerms(_userPerms)
+{
+    usedHashFunc()->insert(name, this);
+}
+
+ParsedSettingsMap QConfFile::mergedKeyMap() const
+{
+    ParsedSettingsMap result = originalKeys;
+    ParsedSettingsMap::const_iterator i;
+
+    for (i = removedKeys.begin(); i != removedKeys.end(); ++i)
+        result.remove(i.key());
+    for (i = addedKeys.begin(); i != addedKeys.end(); ++i)
+        result.insert(i.key(), i.value());
+    return result;
+}
+
+bool QConfFile::isWritable() const
+{
+    QFileInfo fileInfo(name);
+
+#ifndef QT_NO_TEMPORARYFILE
+    if (fileInfo.exists()) {
+#endif
+        QFile file(name);
+        return file.open(QFile::ReadWrite);
+#ifndef QT_NO_TEMPORARYFILE
+    } else {
+        // Create the directories to the file.
+        QDir dir(fileInfo.absolutePath());
+        if (dir.exists() && dir.isReadable()) {
+            return true;
+        } else {
+            if (!dir.mkpath(dir.absolutePath()))
+                return false;
+        }
+
+        // we use a temporary file to avoid race conditions
+        QTemporaryFile file(name);
+        return file.open();
+    }
+#endif
+}
+
+QConfFile *QConfFile::fromName(const QString &fileName, bool _userPerms)
+{
+    QString absPath = QFileInfo(fileName).absoluteFilePath();
+
+    ConfFileHash *usedHash = usedHashFunc();
+    ConfFileCache *unusedCache = unusedCacheFunc();
+
+    QConfFile *confFile;
+    QMutexLocker locker(globalMutex());
+
+    if (!(confFile = usedHash->value(absPath))) {
+        if ((confFile = unusedCache->take(absPath)))
+            usedHash->insert(absPath, confFile);
+    }
+    if (confFile) {
+        confFile->ref.ref();
+        return confFile;
+    }
+    return new QConfFile(absPath, _userPerms);
+}
+
+void QConfFile::clearCache()
+{
+    QMutexLocker locker(globalMutex());
+    unusedCacheFunc()->clear();
+}
+
+// ************************************************************************
+// QSettingsPrivate
+
+QSettingsPrivate::QSettingsPrivate(QSettings::Format format)
+    : format(format), scope(QSettings::UserScope /* nothing better to put */), iniCodec(0), spec(0), fallbacks(true),
+      pendingChanges(false), status(QSettings::NoError)
+{
+}
+
+QSettingsPrivate::QSettingsPrivate(QSettings::Format format, QSettings::Scope scope,
+                                   const QString &organization, const QString &application)
+    : format(format), scope(scope), organizationName(organization), applicationName(application),
+      iniCodec(0), spec(0), fallbacks(true), pendingChanges(false), status(QSettings::NoError)
+{
+}
+
+QSettingsPrivate::~QSettingsPrivate()
+{
+}
+
+QString QSettingsPrivate::actualKey(const QString &key) const
+{
+    QString n = normalizedKey(key);
+    Q_ASSERT_X(!n.isEmpty(), "QSettings", "empty key");
+    n.prepend(groupPrefix);
+    return n;
+}
+
+/*
+    Returns a string that never starts nor ends with a slash (or an
+    empty string). Examples:
+
+            "foo"            becomes   "foo"
+            "/foo//bar///"   becomes   "foo/bar"
+            "///"            becomes   ""
+
+    This function is optimized to avoid a QString deep copy in the
+    common case where the key is already normalized.
+*/
+QString QSettingsPrivate::normalizedKey(const QString &key)
+{
+    QString result = key;
+
+    int i = 0;
+    while (i < result.size()) {
+        while (result.at(i) == QLatin1Char('/')) {
+            result.remove(i, 1);
+            if (i == result.size())
+                goto after_loop;
+        }
+        while (result.at(i) != QLatin1Char('/')) {
+            ++i;
+            if (i == result.size())
+                return result;
+        }
+        ++i; // leave the slash alone
+    }
+
+after_loop:
+    if (!result.isEmpty())
+        result.truncate(i - 1); // remove the trailing slash
+    return result;
+}
+
+// see also qsettings_win.cpp and qsettings_mac.cpp
+
+#if !defined(Q_OS_WIN) && !defined(Q_OS_MAC)
+QSettingsPrivate *QSettingsPrivate::create(QSettings::Format format, QSettings::Scope scope,
+                                           const QString &organization, const QString &application)
+{
+    return new QConfFileSettingsPrivate(format, scope, organization, application);
+}
+#endif
+
+#if !defined(Q_OS_WIN)
+QSettingsPrivate *QSettingsPrivate::create(const QString &fileName, QSettings::Format format)
+{
+    return new QConfFileSettingsPrivate(fileName, format);
+}
+#endif
+
+void QSettingsPrivate::processChild(QString key, ChildSpec spec, QMap<QString, QString> &result)
+{
+    if (spec != AllKeys) {
+        int slashPos = key.indexOf(QLatin1Char('/'));
+        if (slashPos == -1) {
+            if (spec != ChildKeys)
+                return;
+        } else {
+            if (spec != ChildGroups)
+                return;
+            key.truncate(slashPos);
+        }
+    }
+    result.insert(key, QString());
+}
+
+void QSettingsPrivate::beginGroupOrArray(const QSettingsGroup &group)
+{
+    groupStack.push(group);
+    if (!group.name().isEmpty()) {
+        groupPrefix += group.name();
+        groupPrefix += QLatin1Char('/');
+    }
+}
+
+/*
+    We only set an error if there isn't one set already. This way the user always gets the
+    first error that occurred. We always allow clearing errors.
+*/
+
+void QSettingsPrivate::setStatus(QSettings::Status status) const
+{
+    if (status == QSettings::NoError || this->status == QSettings::NoError)
+        this->status = status;
+}
+
+void QSettingsPrivate::update()
+{
+    flush();
+    pendingChanges = false;
+}
+
+void QSettingsPrivate::requestUpdate()
+{
+    if (!pendingChanges) {
+        pendingChanges = true;
+#ifndef QT_NO_QOBJECT
+        Q_Q(QSettings);
+        QCoreApplication::postEvent(q, new QEvent(QEvent::UpdateRequest));
+#else
+        update();
+#endif
+    }
+}
+
+QStringList QSettingsPrivate::variantListToStringList(const QVariantList &l)
+{
+    QStringList result;
+    QVariantList::const_iterator it = l.constBegin();
+    for (; it != l.constEnd(); ++it)
+        result.append(variantToString(*it));
+    return result;
+}
+
+QVariant QSettingsPrivate::stringListToVariantList(const QStringList &l)
+{
+    QStringList outStringList = l;
+    for (int i = 0; i < outStringList.count(); ++i) {
+        const QString &str = outStringList.at(i);
+
+        if (str.startsWith(QLatin1Char('@'))) {
+            if (str.length() >= 2 && str.at(1) == QLatin1Char('@')) {
+                outStringList[i].remove(0, 1);
+            } else {
+                QVariantList variantList;
+                for (int j = 0; j < l.count(); ++j)
+                    variantList.append(stringToVariant(l.at(j)));
+                return variantList;
+            }
+        }
+    }
+    return outStringList;
+}
+
+QString QSettingsPrivate::variantToString(const QVariant &v)
+{
+    QString result;
+
+    switch (v.type()) {
+        case QVariant::Invalid:
+            result = QLatin1String("@Invalid()");
+            break;
+
+        case QVariant::ByteArray: {
+            QByteArray a = v.toByteArray();
+            result = QLatin1String("@ByteArray(");
+            result += QString::fromLatin1(a.constData(), a.size());
+            result += QLatin1Char(')');
+            break;
+        }
+
+        case QVariant::String:
+        case QVariant::LongLong:
+        case QVariant::ULongLong:
+        case QVariant::Int:
+        case QVariant::UInt:
+        case QVariant::Bool:
+        case QVariant::Double:
+        case QVariant::KeySequence: {
+            result = v.toString();
+            if (result.startsWith(QLatin1Char('@')))
+                result.prepend(QLatin1Char('@'));
+            break;
+        }
+#ifndef QT_NO_GEOM_VARIANT
+        case QVariant::Rect: {
+            QRect r = qvariant_cast<QRect>(v);
+            result += QLatin1String("@Rect(");
+            result += QString::number(r.x());
+            result += QLatin1Char(' ');
+            result += QString::number(r.y());
+            result += QLatin1Char(' ');
+            result += QString::number(r.width());
+            result += QLatin1Char(' ');
+            result += QString::number(r.height());
+            result += QLatin1Char(')');
+            break;
+        }
+        case QVariant::Size: {
+            QSize s = qvariant_cast<QSize>(v);
+            result += QLatin1String("@Size(");
+            result += QString::number(s.width());
+            result += QLatin1Char(' ');
+            result += QString::number(s.height());
+            result += QLatin1Char(')');
+            break;
+        }
+        case QVariant::Point: {
+            QPoint p = qvariant_cast<QPoint>(v);
+            result += QLatin1String("@Point(");
+            result += QString::number(p.x());
+            result += QLatin1Char(' ');
+            result += QString::number(p.y());
+            result += QLatin1Char(')');
+            break;
+        }
+#endif // !QT_NO_GEOM_VARIANT
+
+        default: {
+#ifndef QT_NO_DATASTREAM
+            QByteArray a;
+            {
+                QDataStream s(&a, QIODevice::WriteOnly);
+                s.setVersion(QDataStream::Qt_4_0);
+                s << v;
+            }
+
+            result = QLatin1String("@Variant(");
+            result += QString::fromLatin1(a.constData(), a.size());
+            result += QLatin1Char(')');
+#else
+            Q_ASSERT(!"QSettings: Cannot save custom types without QDataStream support");
+#endif
+            break;
+        }
+    }
+
+    return result;
+}
+
+
+QVariant QSettingsPrivate::stringToVariant(const QString &s)
+{
+    if (s.startsWith(QLatin1Char('@'))) {
+        if (s.endsWith(QLatin1Char(')'))) {
+            if (s.startsWith(QLatin1String("@ByteArray("))) {
+                return QVariant(s.toLatin1().mid(11, s.size() - 12));
+            } else if (s.startsWith(QLatin1String("@Variant("))) {
+#ifndef QT_NO_DATASTREAM
+                QByteArray a(s.toLatin1().mid(9));
+                QDataStream stream(&a, QIODevice::ReadOnly);
+                stream.setVersion(QDataStream::Qt_4_0);
+                QVariant result;
+                stream >> result;
+                return result;
+#else
+                Q_ASSERT(!"QSettings: Cannot load custom types without QDataStream support");
+#endif
+#ifndef QT_NO_GEOM_VARIANT
+            } else if (s.startsWith(QLatin1String("@Rect("))) {
+                QStringList args = QSettingsPrivate::splitArgs(s, 5);
+                if (args.size() == 4)
+                    return QVariant(QRect(args[0].toInt(), args[1].toInt(), args[2].toInt(), args[3].toInt()));
+            } else if (s.startsWith(QLatin1String("@Size("))) {
+                QStringList args = QSettingsPrivate::splitArgs(s, 5);
+                if (args.size() == 2)
+                    return QVariant(QSize(args[0].toInt(), args[1].toInt()));
+            } else if (s.startsWith(QLatin1String("@Point("))) {
+                QStringList args = QSettingsPrivate::splitArgs(s, 6);
+                if (args.size() == 2)
+                    return QVariant(QPoint(args[0].toInt(), args[1].toInt()));
+#endif
+            } else if (s == QLatin1String("@Invalid()")) {
+                return QVariant();
+            }
+
+        }
+        if (s.startsWith(QLatin1String("@@")))
+            return QVariant(s.mid(1));
+    }
+
+    return QVariant(s);
+}
+
+static const char hexDigits[] = "0123456789ABCDEF";
+
+void QSettingsPrivate::iniEscapedKey(const QString &key, QByteArray &result)
+{
+    result.reserve(result.length() + key.length() * 3 / 2);
+    for (int i = 0; i < key.size(); ++i) {
+        uint ch = key.at(i).unicode();
+
+        if (ch == '/') {
+            result += '\\';
+        } else if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9')
+                || ch == '_' || ch == '-' || ch == '.') {
+            result += (char)ch;
+        } else if (ch <= 0xFF) {
+            result += '%';
+            result += hexDigits[ch / 16];
+            result += hexDigits[ch % 16];
+        } else {
+            result += "%U";
+            QByteArray hexCode;
+            for (int i = 0; i < 4; ++i) {
+                hexCode.prepend(hexDigits[ch % 16]);
+                ch >>= 4;
+            }
+            result += hexCode;
+        }
+    }
+}
+
+bool QSettingsPrivate::iniUnescapedKey(const QByteArray &key, int from, int to, QString &result)
+{
+    bool lowercaseOnly = true;
+    int i = from;
+    result.reserve(result.length() + (to - from));
+    while (i < to) {
+        int ch = (uchar)key.at(i);
+
+        if (ch == '\\') {
+            result += QLatin1Char('/');
+            ++i;
+            continue;
+        }
+
+        if (ch != '%' || i == to - 1) {
+            if (uint(ch - 'A') <= 'Z' - 'A') // only for ASCII
+                lowercaseOnly = false;
+            result += QLatin1Char(ch);
+            ++i;
+            continue;
+        }
+
+        int numDigits = 2;
+        int firstDigitPos = i + 1;
+
+        ch = key.at(i + 1);
+        if (ch == 'U') {
+            ++firstDigitPos;
+            numDigits = 4;
+        }
+
+        if (firstDigitPos + numDigits > to) {
+            result += QLatin1Char('%');
+            // ### missing U
+            ++i;
+            continue;
+        }
+
+        bool ok;
+        ch = key.mid(firstDigitPos, numDigits).toInt(&ok, 16);
+        if (!ok) {
+            result += QLatin1Char('%');
+            // ### missing U
+            ++i;
+            continue;
+        }
+
+        QChar qch(ch);
+        if (qch.isUpper())
+            lowercaseOnly = false;
+        result += qch;
+        i = firstDigitPos + numDigits;
+    }
+    return lowercaseOnly;
+}
+
+void QSettingsPrivate::iniEscapedString(const QString &str, QByteArray &result, QTextCodec *codec)
+{
+    bool needsQuotes = false;
+    bool escapeNextIfDigit = false;
+    int i;
+    int startPos = result.size();
+
+    result.reserve(startPos + str.size() * 3 / 2);
+    for (i = 0; i < str.size(); ++i) {
+        uint ch = str.at(i).unicode();
+        if (ch == ';' || ch == ',' || ch == '=')
+            needsQuotes = true;
+
+        if (escapeNextIfDigit
+                && ((ch >= '0' && ch <= '9')
+                    || (ch >= 'a' && ch <= 'f')
+                    || (ch >= 'A' && ch <= 'F'))) {
+            result += "\\x";
+            result += QByteArray::number(ch, 16);
+            continue;
+        }
+
+        escapeNextIfDigit = false;
+
+        switch (ch) {
+        case '\0':
+            result += "\\0";
+            escapeNextIfDigit = true;
+            break;
+        case '\a':
+            result += "\\a";
+            break;
+        case '\b':
+            result += "\\b";
+            break;
+        case '\f':
+            result += "\\f";
+            break;
+        case '\n':
+            result += "\\n";
+            break;
+        case '\r':
+            result += "\\r";
+            break;
+        case '\t':
+            result += "\\t";
+            break;
+        case '\v':
+            result += "\\v";
+            break;
+        case '"':
+        case '\\':
+            result += '\\';
+            result += (char)ch;
+            break;
+        default:
+            if (ch <= 0x1F || (ch >= 0x7F && !codec)) {
+                result += "\\x";
+                result += QByteArray::number(ch, 16);
+                escapeNextIfDigit = true;
+#ifndef QT_NO_TEXTCODEC
+            } else if (codec) {
+                // slow
+                result += codec->fromUnicode(str.at(i));
+#endif
+            } else {
+                result += (char)ch;
+            }
+        }
+    }
+
+    if (needsQuotes
+            || (startPos < result.size() && (result.at(startPos) == ' '
+                                                || result.at(result.size() - 1) == ' '))) {
+        result.insert(startPos, '"');
+        result += '"';
+    }
+}
+
+inline static void iniChopTrailingSpaces(QString &str)
+{
+    int n = str.size() - 1;
+    QChar ch;
+    while (n >= 0 && ((ch = str.at(n)) == QLatin1Char(' ') || ch == QLatin1Char('\t')))
+        str.truncate(n--);
+}
+
+void QSettingsPrivate::iniEscapedStringList(const QStringList &strs, QByteArray &result, QTextCodec *codec)
+{
+    if (strs.isEmpty()) {
+        /*
+            We need to distinguish between empty lists and one-item
+            lists that contain an empty string. Ideally, we'd have a
+            @EmptyList() symbol but that would break compatibility
+            with Qt 4.0. @Invalid() stands for QVariant(), and
+            QVariant().toStringList() returns an empty QStringList,
+            so we're in good shape.
+
+            ### Qt 5: Use a nicer syntax, e.g. @List, for variant lists
+        */
+        result += "@Invalid()";
+    } else {
+        for (int i = 0; i < strs.size(); ++i) {
+            if (i != 0)
+                result += ", ";
+            iniEscapedString(strs.at(i), result, codec);
+        }
+    }
+}
+
+bool QSettingsPrivate::iniUnescapedStringList(const QByteArray &str, int from, int to,
+                                              QString &stringResult, QStringList &stringListResult,
+                                              QTextCodec *codec)
+{
+    static const char escapeCodes[][2] =
+    {
+        { 'a', '\a' },
+        { 'b', '\b' },
+        { 'f', '\f' },
+        { 'n', '\n' },
+        { 'r', '\r' },
+        { 't', '\t' },
+        { 'v', '\v' },
+        { '"', '"' },
+        { '?', '?' },
+        { '\'', '\'' },
+        { '\\', '\\' }
+    };
+    static const int numEscapeCodes = sizeof(escapeCodes) / sizeof(escapeCodes[0]);
+
+    bool isStringList = false;
+    bool inQuotedString = false;
+    bool currentValueIsQuoted = false;
+    int escapeVal = 0;
+    int i = from;
+    char ch;
+
+StSkipSpaces:
+    while (i < to && ((ch = str.at(i)) == ' ' || ch == '\t'))
+        ++i;
+    // fallthrough
+
+StNormal:
+    while (i < to) {
+        switch (str.at(i)) {
+        case '\\':
+            ++i;
+            if (i >= to)
+                goto end;
+
+            ch = str.at(i++);
+            for (int j = 0; j < numEscapeCodes; ++j) {
+                if (ch == escapeCodes[j][0]) {
+                    stringResult += QLatin1Char(escapeCodes[j][1]);
+                    goto StNormal;
+                }
+            }
+
+            if (ch == 'x') {
+                escapeVal = 0;
+
+                if (i >= to)
+                    goto end;
+
+                ch = str.at(i);
+                if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F') || (ch >= 'a' && ch <= 'f'))
+                    goto StHexEscape;
+            } else if (ch >= '0' && ch <= '7') {
+                escapeVal = ch - '0';
+                goto StOctEscape;
+            } else if (ch == '\n' || ch == '\r') {
+                if (i < to) {
+                    char ch2 = str.at(i);
+                    // \n, \r, \r\n, and \n\r are legitimate line terminators in INI files
+                    if ((ch2 == '\n' || ch2 == '\r') && ch2 != ch)
+                        ++i;
+                }
+            } else {
+                // the character is skipped
+            }
+            break;
+        case '"':
+            ++i;
+            currentValueIsQuoted = true;
+            inQuotedString = !inQuotedString;
+            if (!inQuotedString)
+                goto StSkipSpaces;
+            break;
+        case ',':
+            if (!inQuotedString) {
+                if (!currentValueIsQuoted)
+                    iniChopTrailingSpaces(stringResult);
+                if (!isStringList) {
+                    isStringList = true;
+                    stringListResult.clear();
+                    stringResult.squeeze();
+                }
+                stringListResult.append(stringResult);
+                stringResult.clear();
+                currentValueIsQuoted = false;
+                ++i;
+                goto StSkipSpaces;
+            }
+            // fallthrough
+        default: {
+            int j = i + 1;
+            while (j < to) {
+                ch = str.at(j);
+                if (ch == '\\' || ch == '"' || ch == ',')
+                    break;
+                ++j;
+            }
+
+#ifndef QT_NO_TEXTCODEC
+            if (codec) {
+                stringResult += codec->toUnicode(str.constData() + i, j - i);
+            } else
+#endif
+            {
+                int n = stringResult.size();
+                stringResult.resize(n + (j - i));
+                QChar *resultData = stringResult.data() + n;
+                for (int k = i; k < j; ++k)
+                    *resultData++ = QLatin1Char(str.at(k));
+            }
+            i = j;
+        }
+        }
+    }
+    goto end;
+
+StHexEscape:
+    if (i >= to) {
+        stringResult += QChar(escapeVal);
+        goto end;
+    }
+
+    ch = str.at(i);
+    if (ch >= 'a')
+        ch -= 'a' - 'A';
+    if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F')) {
+        escapeVal <<= 4;
+        escapeVal += strchr(hexDigits, ch) - hexDigits;
+        ++i;
+        goto StHexEscape;
+    } else {
+        stringResult += QChar(escapeVal);
+        goto StNormal;
+    }
+
+StOctEscape:
+    if (i >= to) {
+        stringResult += QChar(escapeVal);
+        goto end;
+    }
+
+    ch = str.at(i);
+    if (ch >= '0' && ch <= '7') {
+        escapeVal <<= 3;
+        escapeVal += ch - '0';
+        ++i;
+        goto StOctEscape;
+    } else {
+        stringResult += QChar(escapeVal);
+        goto StNormal;
+    }
+
+end:
+    if (!currentValueIsQuoted)
+        iniChopTrailingSpaces(stringResult);
+    if (isStringList)
+        stringListResult.append(stringResult);
+    return isStringList;
+}
+
+QStringList QSettingsPrivate::splitArgs(const QString &s, int idx)
+{
+    int l = s.length();
+    Q_ASSERT(l > 0);
+    Q_ASSERT(s.at(idx) == QLatin1Char('('));
+    Q_ASSERT(s.at(l - 1) == QLatin1Char(')'));
+
+    QStringList result;
+    QString item;
+
+    for (++idx; idx < l; ++idx) {
+        QChar c = s.at(idx);
+        if (c == QLatin1Char(')')) {
+            Q_ASSERT(idx == l - 1);
+            result.append(item);
+        } else if (c == QLatin1Char(' ')) {
+            result.append(item);
+            item.clear();
+        } else {
+            item.append(c);
+        }
+    }
+
+    return result;
+}
+
+// ************************************************************************
+// QConfFileSettingsPrivate
+
+/*
+    If we don't have the permission to read the file, returns false.
+    If the file doesn't exist, returns true.
+*/
+static bool checkAccess(const QString &name)
+{
+    QFileInfo fileInfo(name);
+
+    if (fileInfo.exists()) {
+        QFile file(name);
+        // if the file exists but we can't open it, report an error
+        return file.open(QFile::ReadOnly);
+    } else {
+        return true;
+    }
+}
+
+void QConfFileSettingsPrivate::initFormat()
+{
+    extension = (format == QSettings::NativeFormat) ? QLatin1String(".conf") : QLatin1String(".ini");
+    readFunc = 0;
+    writeFunc = 0;
+#if defined(Q_OS_MAC)
+    caseSensitivity = (format == QSettings::NativeFormat) ? Qt::CaseSensitive : Qt::CaseInsensitive;
+#else
+    caseSensitivity = IniCaseSensitivity;
+#endif
+
+    if (format > QSettings::IniFormat) {
+        QMutexLocker locker(globalMutex());
+        const CustomFormatVector *customFormatVector = customFormatVectorFunc();
+
+        int i = (int)format - (int)QSettings::CustomFormat1;
+        if (i >= 0 && i < customFormatVector->size()) {
+            QConfFileCustomFormat info = customFormatVector->at(i);
+            extension = info.extension;
+            readFunc = info.readFunc;
+            writeFunc = info.writeFunc;
+            caseSensitivity = info.caseSensitivity;
+        }
+    }
+}
+
+void QConfFileSettingsPrivate::initAccess()
+{
+    bool readAccess = false;
+    if (confFiles[spec]) {
+        readAccess = checkAccess(confFiles[spec]->name);
+        if (format > QSettings::IniFormat) {
+            if (!readFunc)
+                readAccess = false;
+        }
+    }
+
+    if (!readAccess)
+        setStatus(QSettings::AccessError);
+
+    sync();       // loads the files the first time
+}
+
+#ifdef Q_OS_WIN
+static QString windowsConfigPath(int type)
+{
+    QString result;
+
+#ifndef QT_NO_QOBJECT
+    // We can't use QLibrary if there is QT_NO_QOBJECT is defined
+    // This only happens when bootstrapping qmake.
+#ifndef Q_OS_WINCE
+    QLibrary library(QLatin1String("shell32"));
+    QT_WA( {
+        typedef BOOL (WINAPI*GetSpecialFolderPath)(HWND, LPTSTR, int, BOOL);
+        GetSpecialFolderPath SHGetSpecialFolderPath = (GetSpecialFolderPath)library.resolve("SHGetSpecialFolderPathW");
+        if (SHGetSpecialFolderPath) {
+            TCHAR path[MAX_PATH];
+            SHGetSpecialFolderPath(0, path, type, FALSE);
+            result = QString::fromUtf16((ushort*)path);
+        }
+    } , {
+        typedef BOOL (WINAPI*GetSpecialFolderPath)(HWND, char*, int, BOOL);
+        GetSpecialFolderPath SHGetSpecialFolderPath = (GetSpecialFolderPath)library.resolve("SHGetSpecialFolderPathA");
+        if (SHGetSpecialFolderPath) {
+            char path[MAX_PATH];
+            SHGetSpecialFolderPath(0, path, type, FALSE);
+            result = QString::fromLocal8Bit(path);
+        }
+    } );
+#else
+    QLibrary library(QLatin1String("coredll"));
+    typedef BOOL (WINAPI*GetSpecialFolderPath)(HWND, LPTSTR, int, BOOL);
+    GetSpecialFolderPath SHGetSpecialFolderPath = (GetSpecialFolderPath)library.resolve("SHGetSpecialFolderPath");
+    if (SHGetSpecialFolderPath) {
+        wchar_t path[MAX_PATH];
+        SHGetSpecialFolderPath(0, path, type, FALSE);
+        result = QString::fromUtf16((ushort*)path);
+    }
+#endif // Q_OS_WINCE
+
+#endif // QT_NO_QOBJECT
+
+    if (result.isEmpty()) {
+        switch (type) {
+#ifndef Q_OS_WINCE
+        case CSIDL_COMMON_APPDATA:
+            result = QLatin1String("C:\\temp\\qt-common");
+            break;
+        case CSIDL_APPDATA:
+            result = QLatin1String("C:\\temp\\qt-user");
+            break;
+#else
+        case CSIDL_COMMON_APPDATA:
+            result = QLatin1String("\\Temp\\qt-common");
+            break;
+        case CSIDL_APPDATA:
+            result = QLatin1String("\\Temp\\qt-user");
+            break;
+#endif
+        default:
+            ;
+        }
+    }
+
+    return result;
+}
+#endif // Q_OS_WIN
+
+static inline int pathHashKey(QSettings::Format format, QSettings::Scope scope)
+{
+    return int((uint(format) << 1) | uint(scope == QSettings::SystemScope));
+}
+
+static QString getPath(QSettings::Format format, QSettings::Scope scope)
+{
+    Q_ASSERT((int)QSettings::NativeFormat == 0);
+    Q_ASSERT((int)QSettings::IniFormat == 1);
+
+    QString homePath = QDir::homePath();
+    QString systemPath;
+
+    globalMutex()->lock();
+    PathHash *pathHash = pathHashFunc();
+    bool loadSystemPath = pathHash->isEmpty();
+    globalMutex()->unlock();
+
+    if (loadSystemPath) {
+        /*
+           QLibraryInfo::location() uses QSettings, so in order to
+           avoid a dead-lock, we can't hold the global mutex while
+           calling it.
+       */
+        systemPath = QLibraryInfo::location(QLibraryInfo::SettingsPath);
+        systemPath += QLatin1Char('/');
+    }
+
+    QMutexLocker locker(globalMutex());
+    if (pathHash->isEmpty()) {
+        /*
+           Lazy initialization of pathHash. We initialize the
+           IniFormat paths and (on Unix) the NativeFormat paths.
+           (The NativeFormat paths are not configurable for the
+           Windows registry and the Mac CFPreferences.)
+       */
+#ifdef Q_OS_WIN
+        pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::UserScope),
+                         windowsConfigPath(CSIDL_APPDATA) + QDir::separator());
+        pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::SystemScope),
+                         windowsConfigPath(CSIDL_COMMON_APPDATA) + QDir::separator());
+#else
+        QString userPath;
+        char *env = getenv("XDG_CONFIG_HOME");
+        if (env == 0) {
+            userPath = homePath;
+            userPath += QLatin1Char('/');
+#ifdef Q_WS_QWS
+            userPath += QLatin1String("Settings");
+#else
+            userPath += QLatin1String(".config");
+#endif
+        } else if (*env == '/') {
+            userPath = QLatin1String(env);
+        } else {
+            userPath = homePath;
+            userPath += QLatin1Char('/');
+            userPath += QLatin1String(env);
+        }
+        userPath += QLatin1Char('/');
+
+        pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::UserScope), userPath);
+        pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::SystemScope), systemPath);
+#ifndef Q_OS_MAC
+        pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::UserScope), userPath);
+        pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::SystemScope), systemPath);
+#endif
+#endif
+    }
+
+    QString result = pathHash->value(pathHashKey(format, scope));
+    if (!result.isEmpty())
+        return result;
+
+    // fall back on INI path
+    return pathHash->value(pathHashKey(QSettings::IniFormat, scope));
+}
+
+QConfFileSettingsPrivate::QConfFileSettingsPrivate(QSettings::Format format,
+                                                   QSettings::Scope scope,
+                                                   const QString &organization,
+                                                   const QString &application)
+    : QSettingsPrivate(format, scope, organization, application),
+      nextPosition(0x40000000) // big positive number
+{
+    int i;
+    initFormat();
+
+    for (i = 0; i < NumConfFiles; ++i)
+        confFiles[i] = 0;
+
+    QString org = organization;
+    if (org.isEmpty()) {
+        setStatus(QSettings::AccessError);
+        org = QLatin1String("Unknown Organization");
+    }
+
+    QString appFile = org + QDir::separator() + application + extension;
+    QString orgFile = org + extension;
+
+    if (scope == QSettings::UserScope) {
+        QString userPath = getPath(format, QSettings::UserScope);
+        if (!application.isEmpty())
+            confFiles[F_User | F_Application] = QConfFile::fromName(userPath + appFile, true);
+        confFiles[F_User | F_Organization] = QConfFile::fromName(userPath + orgFile, true);
+    }
+
+    QString systemPath = getPath(format, QSettings::SystemScope);
+    if (!application.isEmpty())
+        confFiles[F_System | F_Application] = QConfFile::fromName(systemPath + appFile, false);
+    confFiles[F_System | F_Organization] = QConfFile::fromName(systemPath + orgFile, false);
+
+    for (i = 0; i < NumConfFiles; ++i) {
+        if (confFiles[i]) {
+            spec = i;
+            break;
+        }
+    }
+
+    initAccess();
+}
+
+QConfFileSettingsPrivate::QConfFileSettingsPrivate(const QString &fileName,
+                                                   QSettings::Format format)
+    : QSettingsPrivate(format),
+      nextPosition(0x40000000) // big positive number
+{
+    initFormat();
+
+    confFiles[0] = QConfFile::fromName(fileName, true);
+    for (int i = 1; i < NumConfFiles; ++i)
+        confFiles[i] = 0;
+
+    initAccess();
+}
+
+QConfFileSettingsPrivate::~QConfFileSettingsPrivate()
+{
+    QMutexLocker locker(globalMutex());
+    ConfFileHash *usedHash = usedHashFunc();
+    ConfFileCache *unusedCache = unusedCacheFunc();
+
+    for (int i = 0; i < NumConfFiles; ++i) {
+        if (confFiles[i] && !confFiles[i]->ref.deref()) {
+            if (usedHash)
+                usedHash->remove(confFiles[i]->name);
+
+            if (confFiles[i]->size == 0) {
+                delete confFiles[i];
+            } else if (unusedCache) {
+                // compute a better size?
+                unusedCache->insert(confFiles[i]->name, confFiles[i],
+                                    10 + (confFiles[i]->originalKeys.size() / 4));
+            }
+        }
+    }
+}
+
+void QConfFileSettingsPrivate::remove(const QString &key)
+{
+    QConfFile *confFile = confFiles[spec];
+    if (!confFile)
+        return;
+
+    QSettingsKey theKey(key, caseSensitivity);
+    QSettingsKey prefix(key + QLatin1Char('/'), caseSensitivity);
+    QMutexLocker locker(&confFile->mutex);
+
+    ensureSectionParsed(confFile, theKey);
+    ensureSectionParsed(confFile, prefix);
+
+    ParsedSettingsMap::iterator i = confFile->addedKeys.lowerBound(prefix);
+    while (i != confFile->addedKeys.end() && i.key().startsWith(prefix))
+        i = confFile->addedKeys.erase(i);
+    confFile->addedKeys.remove(theKey);
+
+    ParsedSettingsMap::const_iterator j = const_cast<const ParsedSettingsMap *>(&confFile->originalKeys)->lowerBound(prefix);
+    while (j != confFile->originalKeys.constEnd() && j.key().startsWith(prefix)) {
+        confFile->removedKeys.insert(j.key(), QVariant());
+        ++j;
+    }
+    if (confFile->originalKeys.contains(theKey))
+        confFile->removedKeys.insert(theKey, QVariant());
+}
+
+void QConfFileSettingsPrivate::set(const QString &key, const QVariant &value)
+{
+    QConfFile *confFile = confFiles[spec];
+    if (!confFile)
+        return;
+
+    QSettingsKey theKey(key, caseSensitivity, nextPosition++);
+    QMutexLocker locker(&confFile->mutex);
+    confFile->removedKeys.remove(theKey);
+    confFile->addedKeys.insert(theKey, value);
+}
+
+bool QConfFileSettingsPrivate::get(const QString &key, QVariant *value) const
+{
+    QSettingsKey theKey(key, caseSensitivity);
+    ParsedSettingsMap::const_iterator j;
+    bool found = false;
+
+    for (int i = 0; i < NumConfFiles; ++i) {
+        if (QConfFile *confFile = confFiles[i]) {
+            QMutexLocker locker(&confFile->mutex);
+
+            if (!confFile->addedKeys.isEmpty()) {
+                j = confFile->addedKeys.constFind(theKey);
+                found = (j != confFile->addedKeys.constEnd());
+            }
+            if (!found) {
+                ensureSectionParsed(confFile, theKey);
+                j = confFile->originalKeys.constFind(theKey);
+                found = (j != confFile->originalKeys.constEnd()
+                         && !confFile->removedKeys.contains(theKey));
+            }
+
+            if (found && value)
+                *value = *j;
+
+            if (found)
+                return true;
+            if (!fallbacks)
+                break;
+        }
+    }
+    return false;
+}
+
+QStringList QConfFileSettingsPrivate::children(const QString &prefix, ChildSpec spec) const
+{
+    QMap<QString, QString> result;
+    ParsedSettingsMap::const_iterator j;
+
+    QSettingsKey thePrefix(prefix, caseSensitivity);
+    int startPos = prefix.size();
+
+    for (int i = 0; i < NumConfFiles; ++i) {
+        if (QConfFile *confFile = confFiles[i]) {
+            QMutexLocker locker(&confFile->mutex);
+
+            if (thePrefix.isEmpty()) {
+                ensureAllSectionsParsed(confFile);
+            } else {
+                ensureSectionParsed(confFile, thePrefix);
+            }
+
+            j = const_cast<const ParsedSettingsMap *>(
+                    &confFile->originalKeys)->lowerBound( thePrefix);
+            while (j != confFile->originalKeys.constEnd() && j.key().startsWith(thePrefix)) {
+                if (!confFile->removedKeys.contains(j.key()))
+                    processChild(j.key().originalCaseKey().mid(startPos), spec, result);
+                ++j;
+            }
+
+            j = const_cast<const ParsedSettingsMap *>(
+                    &confFile->addedKeys)->lowerBound(thePrefix);
+            while (j != confFile->addedKeys.constEnd() && j.key().startsWith(thePrefix)) {
+                processChild(j.key().originalCaseKey().mid(startPos), spec, result);
+                ++j;
+            }
+
+            if (!fallbacks)
+                break;
+        }
+    }
+    return result.keys();
+}
+
+void QConfFileSettingsPrivate::clear()
+{
+    QConfFile *confFile = confFiles[spec];
+    if (!confFile)
+        return;
+
+    QMutexLocker locker(&confFile->mutex);
+    ensureAllSectionsParsed(confFile);
+    confFile->addedKeys.clear();
+    confFile->removedKeys = confFile->originalKeys;
+}
+
+void QConfFileSettingsPrivate::sync()
+{
+    // people probably won't be checking the status a whole lot, so in case of
+    // error we just try to go on and make the best of it
+
+    for (int i = 0; i < NumConfFiles; ++i) {
+        QConfFile *confFile = confFiles[i];
+        if (confFile) {
+            QMutexLocker locker(&confFile->mutex);
+            syncConfFile(i);
+        }
+    }
+}
+
+void QConfFileSettingsPrivate::flush()
+{
+    sync();
+}
+
+QString QConfFileSettingsPrivate::fileName() const
+{
+    QConfFile *confFile = confFiles[spec];
+    if (!confFile)
+        return QString();
+    return confFile->name;
+}
+
+bool QConfFileSettingsPrivate::isWritable() const
+{
+    if (format > QSettings::IniFormat && !writeFunc)
+        return false;
+
+    QConfFile *confFile = confFiles[spec];
+    if (!confFile)
+        return false;
+
+    return confFile->isWritable();
+}
+
+void QConfFileSettingsPrivate::syncConfFile(int confFileNo)
+{
+    QConfFile *confFile = confFiles[confFileNo];
+    bool readOnly = confFile->addedKeys.isEmpty() && confFile->removedKeys.isEmpty();
+    bool ok;
+
+    /*
+        We can often optimize the read-only case, if the file on disk
+        hasn't changed.
+    */
+    if (readOnly) {
+        QFileInfo fileInfo(confFile->name);
+        if (confFile->size == fileInfo.size() && confFile->timeStamp == fileInfo.lastModified())
+            return;
+    }
+
+    /*
+        Open the configuration file and try to use it using a named
+        semaphore on Windows and an advisory lock on Unix-based
+        systems. This protect us against other QSettings instances
+        trying to access the same file from other threads or
+        processes.
+
+        As it stands now, the locking mechanism doesn't work for
+        .plist files.
+    */
+    QFile file(confFile->name);
+    bool createFile = !file.exists();
+    if (!readOnly && confFile->isWritable())
+        file.open(QFile::ReadWrite);
+    if (!file.isOpen())
+        file.open(QFile::ReadOnly);
+
+#ifdef Q_OS_WIN
+    HANDLE readSemaphore = 0;
+    HANDLE writeSemaphore = 0;
+    static const int FileLockSemMax = 50;
+    int numReadLocks = readOnly ? 1 : FileLockSemMax;
+
+    if (file.isOpen()) {
+        // Acquire the write lock if we will be writing
+        if (!readOnly) {
+            QString writeSemName = QLatin1String("QSettingsWriteSem ");
+            writeSemName.append(file.fileName());
+
+            QT_WA( {
+                writeSemaphore = CreateSemaphoreW(0, 1, 1, reinterpret_cast<const wchar_t *>(writeSemName.utf16()));
+            } , {
+                writeSemaphore = CreateSemaphoreA(0, 1, 1, writeSemName.toLocal8Bit());
+            } );
+
+            if (writeSemaphore) {
+                WaitForSingleObject(writeSemaphore, INFINITE);
+            } else {
+                setStatus(QSettings::AccessError);
+                return;
+            }
+        }
+
+        // Acquire all the read locks if we will be writing, to make sure nobody
+        // reads while we're writing. If we are only reading, acquire a single
+        // read lock.
+        QString readSemName(QLatin1String("QSettingsReadSem "));
+        readSemName.append(file.fileName());
+
+        QT_WA( {
+            readSemaphore = CreateSemaphoreW(0, FileLockSemMax, FileLockSemMax, reinterpret_cast<const wchar_t *>(readSemName.utf16()));
+        } , {
+            readSemaphore = CreateSemaphoreA(0, FileLockSemMax, FileLockSemMax, readSemName.toLocal8Bit());
+        } );
+
+        if (readSemaphore) {
+            for (int i = 0; i < numReadLocks; ++i)
+                WaitForSingleObject(readSemaphore, INFINITE);
+        } else {
+            setStatus(QSettings::AccessError);
+            if (writeSemaphore != 0) {
+                ReleaseSemaphore(writeSemaphore, 1, 0);
+                CloseHandle(writeSemaphore);
+            }
+            return;
+        }
+    }
+#else
+    if (file.isOpen())
+        unixLock(file.handle(), readOnly ? F_RDLCK : F_WRLCK);
+#endif
+
+    // If we have created the file, apply the file perms
+    if (file.isOpen()) {
+        if (createFile) {
+            QFile::Permissions perms = file.permissions() | QFile::ReadOwner | QFile::WriteOwner;
+            if (!confFile->userPerms)
+                perms |= QFile::ReadGroup | QFile::ReadOther;
+            file.setPermissions(perms);
+        }
+    }
+
+    /*
+        We hold the lock. Let's reread the file if it has changed
+        since last time we read it.
+    */
+    QFileInfo fileInfo(confFile->name);
+    bool mustReadFile = true;
+
+    if (!readOnly)
+        mustReadFile = (confFile->size != fileInfo.size()
+                        || (confFile->size != 0 && confFile->timeStamp != fileInfo.lastModified()));
+
+    if (mustReadFile) {
+        confFile->unparsedIniSections.clear();
+        confFile->originalKeys.clear();
+
+        /*
+            Files that we can't read (because of permissions or
+            because they don't exist) are treated as empty files.
+        */
+        if (file.isReadable() && fileInfo.size() != 0) {
+#ifdef Q_OS_MAC
+            if (format == QSettings::NativeFormat) {
+                ok = readPlistFile(confFile->name, &confFile->originalKeys);
+            } else
+#endif
+            {
+                if (format <= QSettings::IniFormat) {
+                    QByteArray data = file.readAll();
+                    ok = readIniFile(data, &confFile->unparsedIniSections);
+                } else {
+                    if (readFunc) {
+                        QSettings::SettingsMap tempNewKeys;
+                        ok = readFunc(file, tempNewKeys);
+
+                        if (ok) {
+                            QSettings::SettingsMap::const_iterator i = tempNewKeys.constBegin();
+                            while (i != tempNewKeys.constEnd()) {
+                                confFile->originalKeys.insert(QSettingsKey(i.key(),
+                                                                           caseSensitivity),
+                                                              i.value());
+                                ++i;
+                            }
+                        }
+                    } else {
+                        ok = false;
+                    }
+                }
+            }
+
+            if (!ok)
+                setStatus(QSettings::FormatError);
+        }
+
+        confFile->size = fileInfo.size();
+        confFile->timeStamp = fileInfo.lastModified();
+    }
+
+    /*
+        We also need to save the file. We still hold the file lock,
+        so everything is under control.
+    */
+    if (!readOnly) {
+        ensureAllSectionsParsed(confFile);
+        ParsedSettingsMap mergedKeys = confFile->mergedKeyMap();
+
+        if (file.isWritable()) {
+#ifdef Q_OS_MAC
+            if (format == QSettings::NativeFormat) {
+                ok = writePlistFile(confFile->name, mergedKeys);
+            } else
+#endif
+            {
+                file.seek(0);
+                file.resize(0);
+
+                if (format <= QSettings::IniFormat) {
+                    ok = writeIniFile(file, mergedKeys);
+                    if (!ok) {
+                        // try to restore old data; might work if the disk was full and the new data
+                        // was larger than the old data
+                        file.seek(0);
+                        file.resize(0);
+                        writeIniFile(file, confFile->originalKeys);
+                    }
+                } else {
+                    if (writeFunc) {
+                        QSettings::SettingsMap tempOriginalKeys;
+
+                        ParsedSettingsMap::const_iterator i = mergedKeys.constBegin();
+                        while (i != mergedKeys.constEnd()) {
+                            tempOriginalKeys.insert(i.key(), i.value());
+                            ++i;
+                        }
+                        ok = writeFunc(file, tempOriginalKeys);
+                    } else {
+                        ok = false;
+                    }
+                }
+            }
+        } else {
+            ok = false;
+        }
+
+        if (ok) {
+            confFile->unparsedIniSections.clear();
+            confFile->originalKeys = mergedKeys;
+            confFile->addedKeys.clear();
+            confFile->removedKeys.clear();
+
+            QFileInfo fileInfo(confFile->name);
+            confFile->size = fileInfo.size();
+            confFile->timeStamp = fileInfo.lastModified();
+        } else {
+            setStatus(QSettings::AccessError);
+        }
+    }
+
+    /*
+        Release the file lock.
+    */
+#ifdef Q_OS_WIN
+    if (readSemaphore != 0) {
+        ReleaseSemaphore(readSemaphore, numReadLocks, 0);
+        CloseHandle(readSemaphore);
+    }
+    if (writeSemaphore != 0) {
+        ReleaseSemaphore(writeSemaphore, 1, 0);
+        CloseHandle(writeSemaphore);
+    }
+#endif
+}
+
+enum { Space = 0x1, Special = 0x2 };
+
+static const char charTraits[256] =
+{
+    // Space: '\t', '\n', '\r', ' '
+    // Special: '\n', '\r', '"', ';', '=', '\\'
+
+    0, 0, 0, 0, 0, 0, 0, 0, 0, Space, Space | Special, 0, 0, Space | Special, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    Space, 0, Special, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, Special, 0, Special, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, Special, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+bool QConfFileSettingsPrivate::readIniLine(const QByteArray &data, int &dataPos,
+                                           int &lineStart, int &lineLen, int &equalsPos)
+{
+    int dataLen = data.length();
+    bool inQuotes = false;
+
+    equalsPos = -1;
+
+    lineStart = dataPos;
+    while (lineStart < dataLen && (charTraits[uint(uchar(data.at(lineStart)))] & Space))
+        ++lineStart;
+
+    int i = lineStart;
+    while (i < dataLen) {
+        while (!(charTraits[uint(uchar(data.at(i)))] & Special)) {
+            if (++i == dataLen)
+                goto break_out_of_outer_loop;
+        }
+
+        char ch = data.at(i++);
+        if (ch == '=') {
+            if (!inQuotes && equalsPos == -1)
+                equalsPos = i - 1;
+        } else if (ch == '\n' || ch == '\r') {
+            if (i == lineStart + 1) {
+                ++lineStart;
+            } else if (!inQuotes) {
+                --i;
+                goto break_out_of_outer_loop;
+            }
+        } else if (ch == '\\') {
+            if (i < dataLen) {
+                char ch = data.at(i++);
+                if (i < dataLen) {
+                    char ch2 = data.at(i);
+                    // \n, \r, \r\n, and \n\r are legitimate line terminators in INI files
+                    if ((ch == '\n' && ch2 == '\r') || (ch == '\r' && ch2 == '\n'))
+                        ++i;
+                }
+            }
+        } else if (ch == '"') {
+            inQuotes = !inQuotes;
+        } else {
+            Q_ASSERT(ch == ';');
+
+            if (i == lineStart + 1) {
+                char ch;
+                while (i < dataLen && ((ch = data.at(i) != '\n') && ch != '\r'))
+                    ++i;
+                lineStart = i;
+            } else if (!inQuotes) {
+                --i;
+                goto break_out_of_outer_loop;
+            }
+        }
+    }
+
+break_out_of_outer_loop:
+    dataPos = i;
+    lineLen = i - lineStart;
+    return lineLen > 0;
+}
+
+/*
+    Returns false on parse error. However, as many keys are read as
+    possible, so if the user doesn't check the status he will get the
+    most out of the file anyway.
+*/
+bool QConfFileSettingsPrivate::readIniFile(const QByteArray &data,
+                                           UnparsedSettingsMap *unparsedIniSections)
+{
+#define FLUSH_CURRENT_SECTION() \
+    { \
+        QByteArray &sectionData = (*unparsedIniSections)[QSettingsKey(currentSection, \
+                                                                      IniCaseSensitivity, \
+                                                                      sectionPosition)]; \
+        if (!sectionData.isEmpty()) \
+            sectionData.append('\n'); \
+        sectionData += data.mid(currentSectionStart, lineStart - currentSectionStart); \
+        sectionPosition = ++position; \
+    }
+
+    QString currentSection;
+    int currentSectionStart = 0;
+    int dataPos = 0;
+    int lineStart;
+    int lineLen;
+    int equalsPos;
+    int position = 0;
+    int sectionPosition = 0;
+    bool ok = true;
+
+    while (readIniLine(data, dataPos, lineStart, lineLen, equalsPos)) {
+        char ch = data.at(lineStart);
+        if (ch == '[') {
+            FLUSH_CURRENT_SECTION();
+
+            // this is a section
+            QByteArray iniSection;
+            int idx = data.indexOf(']', lineStart);
+            if (idx == -1 || idx >= lineStart + lineLen) {
+                ok = false;
+                iniSection = data.mid(lineStart + 1, lineLen - 1);
+            } else {
+                iniSection = data.mid(lineStart + 1, idx - lineStart - 1);
+            }
+
+            iniSection = iniSection.trimmed();
+
+            if (qstricmp(iniSection, "general") == 0) {
+                currentSection.clear();
+            } else {
+                if (qstricmp(iniSection, "%general") == 0) {
+                    currentSection = QLatin1String(iniSection.constData() + 1);
+                } else {
+                    currentSection.clear();
+                    iniUnescapedKey(iniSection, 0, iniSection.size(), currentSection);
+                }
+                currentSection += QLatin1Char('/');
+            }
+            currentSectionStart = dataPos;
+        }
+        ++position;
+    }
+
+    Q_ASSERT(lineStart == data.length());
+    FLUSH_CURRENT_SECTION();
+
+    return ok;
+
+#undef FLUSH_CURRENT_SECTION
+}
+
+bool QConfFileSettingsPrivate::readIniSection(const QSettingsKey &section, const QByteArray &data,
+                                              ParsedSettingsMap *settingsMap, QTextCodec *codec)
+{
+    QStringList strListValue;
+    bool sectionIsLowercase = (section == section.originalCaseKey());
+    int equalsPos;
+
+    bool ok = true;
+    int dataPos = 0;
+    int lineStart;
+    int lineLen;
+    int position = section.originalKeyPosition();
+
+    while (readIniLine(data, dataPos, lineStart, lineLen, equalsPos)) {
+        char ch = data.at(lineStart);
+        Q_ASSERT(ch != '[');
+
+        if (equalsPos == -1) {
+            if (ch != ';')
+                ok = false;
+            continue;
+        }
+
+        int keyEnd = equalsPos;
+        while (keyEnd > lineStart && ((ch = data.at(keyEnd - 1)) == ' ' || ch == '\t'))
+            --keyEnd;
+        int valueStart = equalsPos + 1;
+
+        QString key = section.originalCaseKey();
+        bool keyIsLowercase = (iniUnescapedKey(data, lineStart, keyEnd, key) && sectionIsLowercase);
+
+        QString strValue;
+        strValue.reserve(lineLen - (valueStart - lineStart));
+        bool isStringList = iniUnescapedStringList(data, valueStart, lineStart + lineLen,
+                                                   strValue, strListValue, codec);
+        QVariant variant;
+        if (isStringList) {
+            variant = stringListToVariantList(strListValue);
+        } else {
+            variant = stringToVariant(strValue);
+        }
+
+        /*
+            We try to avoid the expensive toLower() call in
+            QSettingsKey by passing Qt::CaseSensitive when the
+            key is already in lowercase.
+        */
+        settingsMap->insert(QSettingsKey(key, keyIsLowercase ? Qt::CaseSensitive
+                                                             : IniCaseSensitivity,
+                                         position),
+                            variant);
+        ++position;
+    }
+
+    return ok;
+}
+
+class QSettingsIniKey : public QString
+{
+public:
+    inline QSettingsIniKey() : position(-1) {}
+    inline QSettingsIniKey(const QString &str, int pos = -1) : QString(str), position(pos) {}
+
+    int position;
+};
+
+static bool operator<(const QSettingsIniKey &k1, const QSettingsIniKey &k2)
+{
+    if (k1.position != k2.position)
+        return k1.position < k2.position;
+    return static_cast<const QString &>(k1) < static_cast<const QString &>(k2);
+}
+
+typedef QMap<QSettingsIniKey, QVariant> IniKeyMap;
+
+struct QSettingsIniSection
+{
+    int position;
+    IniKeyMap keyMap;
+
+    inline QSettingsIniSection() : position(-1) {}
+};
+
+typedef QMap<QString, QSettingsIniSection> IniMap;
+
+/*
+    This would be more straightforward if we didn't try to remember the original
+    key order in the .ini file, but we do.
+*/
+bool QConfFileSettingsPrivate::writeIniFile(QIODevice &device, const ParsedSettingsMap &map)
+{
+    IniMap iniMap;
+    IniMap::const_iterator i;
+
+#ifdef Q_OS_WIN
+    const char * const eol = "\r\n";
+#else
+    const char eol = '\n';
+#endif
+
+    for (ParsedSettingsMap::const_iterator j = map.constBegin(); j != map.constEnd(); ++j) {
+        QString section;
+        QSettingsIniKey key(j.key().originalCaseKey(), j.key().originalKeyPosition());
+        int slashPos;
+
+        if ((slashPos = key.indexOf(QLatin1Char('/'))) != -1) {
+            section = key.left(slashPos);
+            key.remove(0, slashPos + 1);
+        }
+
+        QSettingsIniSection &iniSection = iniMap[section];
+
+        // -1 means infinity
+        if (uint(key.position) < uint(iniSection.position))
+            iniSection.position = key.position;
+        iniSection.keyMap[key] = j.value();
+    }
+
+    const int sectionCount = iniMap.size();
+    QVector<QSettingsIniKey> sections;
+    sections.reserve(sectionCount);
+    for (i = iniMap.constBegin(); i != iniMap.constEnd(); ++i)
+        sections.append(QSettingsIniKey(i.key(), i.value().position));
+    qSort(sections);
+
+    bool writeError = false;
+    for (int j = 0; !writeError && j < sectionCount; ++j) {
+        i = iniMap.constFind(sections.at(j));
+        Q_ASSERT(i != iniMap.constEnd());
+
+        QByteArray realSection;
+
+        iniEscapedKey(i.key(), realSection);
+
+        if (realSection.isEmpty()) {
+            realSection = "[General]";
+        } else if (qstricmp(realSection, "general") == 0) {
+            realSection = "[%General]";
+        } else {
+            realSection.prepend('[');
+            realSection.append(']');
+        }
+
+        if (j != 0)
+            realSection.prepend(eol);
+        realSection += eol;
+
+        device.write(realSection);
+
+        const IniKeyMap &ents = i.value().keyMap;
+        for (IniKeyMap::const_iterator j = ents.constBegin(); j != ents.constEnd(); ++j) {
+            QByteArray block;
+            iniEscapedKey(j.key(), block);
+            block += '=';
+
+            const QVariant &value = j.value();
+
+            /*
+                The size() != 1 trick is necessary because
+                QVariant(QString("foo")).toList() returns an empty
+                list, not a list containing "foo".
+            */
+            if (value.type() == QVariant::StringList
+                    || (value.type() == QVariant::List && value.toList().size() != 1)) {
+                iniEscapedStringList(variantListToStringList(value.toList()), block, iniCodec);
+            } else {
+                iniEscapedString(variantToString(value), block, iniCodec);
+            }
+            block += eol;
+            if (device.write(block) == -1) {
+                writeError = true;
+                break;
+            }
+        }
+    }
+    return !writeError;
+}
+
+void QConfFileSettingsPrivate::ensureAllSectionsParsed(QConfFile *confFile) const
+{
+    UnparsedSettingsMap::const_iterator i = confFile->unparsedIniSections.constBegin();
+    const UnparsedSettingsMap::const_iterator end = confFile->unparsedIniSections.constEnd();
+
+    for (; i != end; ++i) {
+        if (!QConfFileSettingsPrivate::readIniSection(i.key(), i.value(), &confFile->originalKeys, iniCodec))
+            setStatus(QSettings::FormatError);
+    }
+    confFile->unparsedIniSections.clear();
+}
+
+void QConfFileSettingsPrivate::ensureSectionParsed(QConfFile *confFile,
+                                                   const QSettingsKey &key) const
+{
+    if (confFile->unparsedIniSections.isEmpty())
+        return;
+
+    UnparsedSettingsMap::iterator i;
+
+    int indexOfSlash = key.indexOf(QLatin1Char('/'));
+    if (indexOfSlash != -1) {
+        i = confFile->unparsedIniSections.upperBound(key);
+        if (i == confFile->unparsedIniSections.begin())
+            return;
+        --i;
+        if (i.key().isEmpty() || !key.startsWith(i.key()))
+            return;
+    } else {
+        i = confFile->unparsedIniSections.begin();
+        if (i == confFile->unparsedIniSections.end() || !i.key().isEmpty())
+            return;
+    }
+
+    if (!QConfFileSettingsPrivate::readIniSection(i.key(), i.value(), &confFile->originalKeys, iniCodec))
+        setStatus(QSettings::FormatError);
+    confFile->unparsedIniSections.erase(i);
+}
+
+/*!
+    \class QSettings
+    \brief The QSettings class provides persistent platform-independent application settings.
+
+    \ingroup io
+    \ingroup misc
+    \mainclass
+    \reentrant
+
+    Users normally expect an application to remember its settings
+    (window sizes and positions, options, etc.) across sessions. This
+    information is often stored in the system registry on Windows,
+    and in XML preferences files on Mac OS X. On Unix systems, in the
+    absence of a standard, many applications (including the KDE
+    applications) use INI text files.
+
+    QSettings is an abstraction around these technologies, enabling
+    you to save and restore application settings in a portable
+    manner. It also supports \l{registerFormat()}{custom storage
+    formats}.
+
+    QSettings's API is based on QVariant, allowing you to save
+    most value-based types, such as QString, QRect, and QImage,
+    with the minimum of effort.
+
+    If all you need is a non-persistent memory-based structure,
+    consider using QMap<QString, QVariant> instead.
+
+    \tableofcontents section1
+
+    \section1 Basic Usage
+
+    When creating a QSettings object, you must pass the name of your
+    company or organization as well as the name of your application.
+    For example, if your product is called Star Runner and your
+    company is called MySoft, you would construct the QSettings
+    object as follows:
+
+    \snippet doc/src/snippets/settings/settings.cpp 0
+
+    QSettings objects can be created either on the stack or on
+    the heap (i.e. using \c new). Constructing and destroying a
+    QSettings object is very fast.
+
+    If you use QSettings from many places in your application, you
+    might want to specify the organization name and the application
+    name using QCoreApplication::setOrganizationName() and
+    QCoreApplication::setApplicationName(), and then use the default
+    QSettings constructor:
+
+    \snippet doc/src/snippets/settings/settings.cpp 1
+    \snippet doc/src/snippets/settings/settings.cpp 2
+    \snippet doc/src/snippets/settings/settings.cpp 3
+    \dots
+    \snippet doc/src/snippets/settings/settings.cpp 4
+
+    (Here, we also specify the organization's Internet domain. When
+    the Internet domain is set, it is used on Mac OS X instead of the
+    organization name, since Mac OS X applications conventionally use
+    Internet domains to identify themselves. If no domain is set, a
+    fake domain is derived from the organization name. See the
+    \l{Platform-Specific Notes} below for details.)
+
+    QSettings stores settings. Each setting consists of a QString
+    that specifies the setting's name (the \e key) and a QVariant
+    that stores the data associated with the key. To write a setting,
+    use setValue(). For example:
+
+    \snippet doc/src/snippets/settings/settings.cpp 5
+
+    If there already exists a setting with the same key, the existing
+    value is overwritten by the new value. For efficiency, the
+    changes may not be saved to permanent storage immediately. (You
+    can always call sync() to commit your changes.)
+
+    You can get a setting's value back using value():
+
+    \snippet doc/src/snippets/settings/settings.cpp 6
+
+    If there is no setting with the specified name, QSettings
+    returns a null QVariant (which can be converted to the integer 0).
+    You can specify another default value by passing a second
+    argument to value():
+
+    \snippet doc/src/snippets/settings/settings.cpp 7
+
+    To test whether a given key exists, call contains(). To remove
+    the setting associated with a key, call remove(). To obtain the
+    list of all keys, call allKeys(). To remove all keys, call
+    clear().
+
+    \section1 QVariant and GUI Types
+
+    Because QVariant is part of the \l QtCore library, it cannot provide
+    conversion functions to data types such as QColor, QImage, and
+    QPixmap, which are part of \l QtGui. In other words, there is no
+    \c toColor(), \c toImage(), or \c toPixmap() functions in QVariant.
+
+    Instead, you can use the QVariant::value() or the qVariantValue()
+    template function. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 0
+
+    The inverse conversion (e.g., from QColor to QVariant) is
+    automatic for all data types supported by QVariant, including
+    GUI-related types:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 1
+
+    Custom types registered using qRegisterMetaType() and
+    qRegisterMetaTypeStreamOperators() can be stored using QSettings.
+
+    \section1 Key Syntax
+
+    Setting keys can contain any Unicode characters. The Windows
+    registry and INI files use case-insensitive keys, whereas the
+    Carbon Preferences API on Mac OS X uses case-sensitive keys. To
+    avoid portability problems, follow these two simple rules:
+
+    \list 1
+    \o Always refer to the same key using the same case. For example,
+       if you refer to a key as "text fonts" in one place in your
+       code, don't refer to it as "Text Fonts" somewhere else.
+
+    \o Avoid key names that are identical except for the case. For
+       example, if you have a key called "MainWindow", don't try to
+       save another key as "mainwindow".
+
+    \o Do not use slashes  ('/' and '\\') in key names; the
+       backslash character is used to separate sub keys (see below). On
+       windows '\\' are converted by QSettings to '/', which makes
+       them identical.
+    \endlist
+
+    You can form hierarchical keys using the '/' character as a
+    separator, similar to Unix file paths. For example:
+
+    \snippet doc/src/snippets/settings/settings.cpp 8
+    \snippet doc/src/snippets/settings/settings.cpp 9
+    \snippet doc/src/snippets/settings/settings.cpp 10
+
+    If you want to save or restore many settings with the same
+    prefix, you can specify the prefix using beginGroup() and call
+    endGroup() at the end. Here's the same example again, but this
+    time using the group mechanism:
+
+    \snippet doc/src/snippets/settings/settings.cpp 11
+    \codeline
+    \snippet doc/src/snippets/settings/settings.cpp 12
+
+    If a group is set using beginGroup(), the behavior of most
+    functions changes consequently. Groups can be set recursively.
+
+    In addition to groups, QSettings also supports an "array"
+    concept. See beginReadArray() and beginWriteArray() for details.
+
+    \section1 Fallback Mechanism
+
+    Let's assume that you have created a QSettings object with the
+    organization name MySoft and the application name Star Runner.
+    When you look up a value, up to four locations are searched in
+    that order:
+
+    \list 1
+    \o a user-specific location for the Star Runner application
+    \o a user-specific location for all applications by MySoft
+    \o a system-wide location for the Star Runner application
+    \o a system-wide location for all applications by MySoft
+    \endlist
+
+    (See \l{Platform-Specific Notes} below for information on what
+    these locations are on the different platforms supported by Qt.)
+
+    If a key cannot be found in the first location, the search goes
+    on in the second location, and so on. This enables you to store
+    system-wide or organization-wide settings and to override them on
+    a per-user or per-application basis. To turn off this mechanism,
+    call setFallbacksEnabled(false).
+
+    Although keys from all four locations are available for reading,
+    only the first file (the user-specific location for the
+    application at hand) is accessible for writing. To write to any
+    of the other files, omit the application name and/or specify
+    QSettings::SystemScope (as opposed to QSettings::UserScope, the
+    default).
+
+    Let's see with an example:
+
+    \snippet doc/src/snippets/settings/settings.cpp 13
+    \snippet doc/src/snippets/settings/settings.cpp 14
+
+    The table below summarizes which QSettings objects access
+    which location. "\bold{X}" means that the location is the main
+    location associated to the QSettings object and is used both
+    for reading and for writing; "o" means that the location is used
+    as a fallback when reading.
+
+    \table
+    \header \o Locations               \o \c{obj1} \o \c{obj2} \o \c{obj3} \o \c{obj4}
+    \row    \o 1. User, Application    \o \bold{X} \o          \o          \o
+    \row    \o 2. User, Organization   \o o        \o \bold{X} \o          \o
+    \row    \o 3. System, Application  \o o        \o          \o \bold{X} \o
+    \row    \o 4. System, Organization \o o        \o o        \o o        \o \bold{X}
+    \endtable
+
+    The beauty of this mechanism is that it works on all platforms
+    supported by Qt and that it still gives you a lot of flexibility,
+    without requiring you to specify any file names or registry
+    paths.
+
+    If you want to use INI files on all platforms instead of the
+    native API, you can pass QSettings::IniFormat as the first
+    argument to the QSettings constructor, followed by the scope, the
+    organization name, and the application name:
+
+    \snippet doc/src/snippets/settings/settings.cpp 15
+
+    The \l{tools/settingseditor}{Settings Editor} example lets you
+    experiment with different settings location and with fallbacks
+    turned on or off.
+
+    \section1 Restoring the State of a GUI Application
+
+    QSettings is often used to store the state of a GUI
+    application. The following example illustrates how to use QSettings
+    to save and restore the geometry of an application's main window.
+
+    \snippet doc/src/snippets/settings/settings.cpp 16
+    \codeline
+    \snippet doc/src/snippets/settings/settings.cpp 17
+
+    See \l{Window Geometry} for a discussion on why it is better to
+    call QWidget::resize() and QWidget::move() rather than QWidget::setGeometry()
+    to restore a window's geometry.
+
+    The \c readSettings() and \c writeSettings() functions must be
+    called from the main window's constructor and close event handler
+    as follows:
+
+    \snippet doc/src/snippets/settings/settings.cpp 18
+    \dots
+    \snippet doc/src/snippets/settings/settings.cpp 19
+    \snippet doc/src/snippets/settings/settings.cpp 20
+    \codeline
+    \snippet doc/src/snippets/settings/settings.cpp 21
+
+    See the \l{mainwindows/application}{Application} example for a
+    self-contained example that uses QSettings.
+
+    \section1 Accessing Settings from Multiple Threads or Processes Simultaneously
+
+    QSettings is \l{reentrant}. This means that you can use
+    distinct QSettings object in different threads
+    simultaneously. This guarantee stands even when the QSettings
+    objects refer to the same files on disk (or to the same entries
+    in the system registry). If a setting is modified through one
+    QSettings object, the change will immediately be visible in
+    any other QSettings objects that operate on the same location
+    and that live in the same process.
+
+    QSettings can safely be used from different processes (which can
+    be different instances of your application running at the same
+    time or different applications altogether) to read and write to
+    the same system locations. It uses advisory file locking and a
+    smart merging algorithm to ensure data integrity. Changes
+    performed by another process aren't visible in the current
+    process until sync() is called.
+
+    \section1 Platform-Specific Notes
+
+    \section2 Locations Where Application Settings Are Stored
+
+    As mentioned in the \l{Fallback Mechanism} section, QSettings
+    stores settings for an application in up to four locations,
+    depending on whether the settings are user-specific or
+    system-wide and whether the the settings are application-specific
+    or organization-wide. For simplicity, we're assuming the
+    organization is called MySoft and the application is called Star
+    Runner.
+
+    On Unix systems, if the file format is NativeFormat, the
+    following files are used by default:
+
+    \list 1
+    \o \c{$HOME/.config/MySoft/Star Runner.conf} (Qt for Embedded Linux: \c{$HOME/Settings/MySoft/Star Runner.conf})
+    \o \c{$HOME/.config/MySoft.conf} (Qt for Embedded Linux: \c{$HOME/Settings/MySoft.conf})
+    \o \c{/etc/xdg/MySoft/Star Runner.conf}
+    \o \c{/etc/xdg/MySoft.conf}
+    \endlist
+
+    On Mac OS X versions 10.2 and 10.3, these files are used by
+    default:
+
+    \list 1
+    \o \c{$HOME/Library/Preferences/com.MySoft.Star Runner.plist}
+    \o \c{$HOME/Library/Preferences/com.MySoft.plist}
+    \o \c{/Library/Preferences/com.MySoft.Star Runner.plist}
+    \o \c{/Library/Preferences/com.MySoft.plist}
+    \endlist
+
+    On Windows, NativeFormat settings are stored in the following
+    registry paths:
+
+    \list 1
+    \o \c{HKEY_CURRENT_USER\Software\MySoft\Star Runner}
+    \o \c{HKEY_CURRENT_USER\Software\MySoft}
+    \o \c{HKEY_LOCAL_MACHINE\Software\MySoft\Star Runner}
+    \o \c{HKEY_LOCAL_MACHINE\Software\MySoft}
+    \endlist
+
+    If the file format is IniFormat, the following files are
+    used on Unix and Mac OS X:
+
+    \list 1
+    \o \c{$HOME/.config/MySoft/Star Runner.ini} (Qt for Embedded Linux: \c{$HOME/Settings/MySoft/Star Runner.ini})
+    \o \c{$HOME/.config/MySoft.ini} (Qt for Embedded Linux: \c{$HOME/Settings/MySoft.ini})
+    \o \c{/etc/xdg/MySoft/Star Runner.ini}
+    \o \c{/etc/xdg/MySoft.ini}
+    \endlist
+
+    On Windows, the following files are used:
+
+    \list 1
+    \o \c{%APPDATA%\MySoft\Star Runner.ini}
+    \o \c{%APPDATA%\MySoft.ini}
+    \o \c{%COMMON_APPDATA%\MySoft\Star Runner.ini}
+    \o \c{%COMMON_APPDATA%\MySoft.ini}
+    \endlist
+
+    The \c %APPDATA% path is usually \tt{C:\\Documents and
+    Settings\\\e{User Name}\\Application Data}; the \c
+    %COMMON_APPDATA% path is usually \tt{C:\\Documents and
+    Settings\\All Users\\Application Data}.
+
+    The paths for the \c .ini and \c .conf files can be changed using
+    setPath(). On Unix and Mac OS X, the user can override them by by
+    setting the \c XDG_CONFIG_HOME environment variable; see
+    setPath() for details.
+
+    \section2 Accessing INI and .plist Files Directly
+
+    Sometimes you do want to access settings stored in a specific
+    file or registry path. On all platforms, if you want to read an
+    INI file directly, you can use the QSettings constructor that
+    takes a file name as first argument and pass QSettings::IniFormat
+    as second argument. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 2
+
+    You can then use the QSettings object to read and write settings
+    in the file.
+
+    On Mac OS X, you can access XML-based \c .plist files by passing
+    QSettings::NativeFormat as second argument. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 3
+
+    \section2 Accessing the Windows Registry Directly
+
+    On Windows, QSettings lets you access settings that have been
+    written with QSettings (or settings in a supported format, e.g., string
+    data) in the system registry. This is done by constructing a QSettings
+    object with a path in the registry and QSettings::NativeFormat.
+
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 4
+
+    All the registry entries that appear under the specified path can
+    be read or written through the QSettings object as usual (using
+    forward slashes instead of backslashes). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 5
+
+    Note that the backslash character is, as mentioned, used by
+    QSettings to separate subkeys. As a result, you cannot read or
+    write windows registry entries that contain slashes or
+    backslashes; you should use a native windows API if you need to do
+    so.
+
+    \section2 Accessing Common Registry Settings on Windows
+
+    On Windows, it is possible for a key to have both a value and subkeys.
+    Its default value is accessed by using "Default" or "." in
+    place of a subkey:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 6
+
+    On other platforms than Windows, "Default" and "." would be
+    treated as regular subkeys.
+
+    \section2 Platform Limitations
+
+    While QSettings attempts to smooth over the differences between
+    the different supported platforms, there are still a few
+    differences that you should be aware of when porting your
+    application:
+
+    \list
+    \o  The Windows system registry has the following limitations: A
+        subkey may not exceed 255 characters, an entry's value may
+        not exceed 16,383 characters, and all the values of a key may
+        not exceed 65,535 characters. One way to work around these
+        limitations is to store the settings using the IniFormat
+        instead of the NativeFormat.
+
+    \o  On Mac OS X, allKeys() will return some extra keys for global
+        settings that apply to all applications. These keys can be
+        read using value() but cannot be changed, only shadowed.
+        Calling setFallbacksEnabled(false) will hide these global
+        settings.
+
+    \o  On Mac OS X, the CFPreferences API used by QSettings expects
+        Internet domain names rather than organization names. To
+        provide a uniform API, QSettings derives a fake domain name
+        from the organization name (unless the organization name
+        already is a domain name, e.g. OpenOffice.org). The algorithm
+        appends ".com" to the company name and replaces spaces and
+        other illegal characters with hyphens. If you want to specify
+        a different domain name, call
+        QCoreApplication::setOrganizationDomain(),
+        QCoreApplication::setOrganizationName(), and
+        QCoreApplication::setApplicationName() in your \c main()
+        function and then use the default QSettings constructor.
+        Another solution is to use preprocessor directives, for
+        example:
+
+        \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 7
+
+    \o On Unix and Mac OS X systems, the advisory file locking is disabled
+       if NFS (or AutoFS or CacheFS) is detected to work around a bug in the
+       NFS fcntl() implementation, which hangs forever if statd or lockd aren't
+       running. Also, the locking isn't performed when accessing \c .plist
+       files.
+
+    \endlist
+
+    \sa QVariant, QSessionManager, {Settings Editor Example}, {Application Example}
+*/
+
+/*! \enum QSettings::Status
+
+    The following status values are possible:
+
+    \value NoError  No error occurred.
+    \value AccessError  An access error occurred (e.g. trying to write to a read-only file).
+    \value FormatError  A format error occurred (e.g. loading a malformed INI file).
+
+    \sa status()
+*/
+
+/*! \enum QSettings::Format
+
+    This enum type specifies the storage format used by QSettings.
+
+    \value NativeFormat  Store the settings using the most
+                         appropriate storage format for the platform.
+                         On Windows, this means the system registry;
+                         on Mac OS X, this means the CFPreferences
+                         API; on Unix, this means textual
+                         configuration files in INI format.
+    \value IniFormat  Store the settings in INI files.
+    \value InvalidFormat Special value returned by registerFormat().
+    \omitvalue CustomFormat1
+    \omitvalue CustomFormat2
+    \omitvalue CustomFormat3
+    \omitvalue CustomFormat4
+    \omitvalue CustomFormat5
+    \omitvalue CustomFormat6
+    \omitvalue CustomFormat7
+    \omitvalue CustomFormat8
+    \omitvalue CustomFormat9
+    \omitvalue CustomFormat10
+    \omitvalue CustomFormat11
+    \omitvalue CustomFormat12
+    \omitvalue CustomFormat13
+    \omitvalue CustomFormat14
+    \omitvalue CustomFormat15
+    \omitvalue CustomFormat16
+
+    On Unix, NativeFormat and IniFormat mean the same thing, except
+    that the file extension is different (\c .conf for NativeFormat,
+    \c .ini for IniFormat).
+
+    The INI file format is a Windows file format that Qt supports on
+    all platforms. In the absence of an INI standard, we try to
+    follow what Microsoft does, with the following exceptions:
+
+    \list
+    \o  If you store types that QVariant can't convert to QString
+        (e.g., QPoint, QRect, and QSize), Qt uses an \c{@}-based
+        syntax to encode the type. For example:
+
+        \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 8
+
+        To minimize compatibility issues, any \c @ that doesn't
+        appear at the first position in the value or that isn't
+        followed by a Qt type (\c Point, \c Rect, \c Size, etc.) is
+        treated as a normal character.
+
+    \o  Although backslash is a special character in INI files, most
+        Windows applications don't escape backslashes (\c{\}) in file
+        paths:
+
+        \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 9
+
+        QSettings always treats backslash as a special character and
+        provides no API for reading or writing such entries.
+
+    \o  The INI file format has severe restrictions on the syntax of
+        a key. Qt works around this by using \c % as an escape
+        character in keys. In addition, if you save a top-level
+        setting (a key with no slashes in it, e.g., "someKey"), it
+        will appear in the INI file's "General" section. To avoid
+        overwriting other keys, if you save something using the a key
+        such as "General/someKey", the key will be located in the
+        "%General" section, \e not in the "General" section.
+
+    \o  Following the philosophy that we should be liberal in what
+        we accept and conservative in what we generate, QSettings
+        will accept Latin-1 encoded INI files, but generate pure
+        ASCII files, where non-ASCII values are encoded using standard
+        INI escape sequences. To make the INI files more readable (but
+        potentially less compatible), call setIniCodec().
+    \endlist
+
+    \sa registerFormat(), setPath()
+*/
+
+/*! \enum QSettings::Scope
+
+    This enum specifies whether settings are user-specific or shared
+    by all users of the same system.
+
+    \value UserScope  Store settings in a location specific to the
+                      current user (e.g., in the user's home
+                      directory).
+    \value SystemScope  Store settings in a global location, so that
+                        all users on the same machine access the same
+                        set of settings.
+    \omitvalue User
+    \omitvalue Global
+
+    \sa setPath()
+*/
+
+#ifndef QT_NO_QOBJECT
+/*!
+    Constructs a QSettings object for accessing settings of the
+    application called \a application from the organization called \a
+    organization, and with parent \a parent.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 10
+
+    The scope is QSettings::UserScope and the format is
+    QSettings::NativeFormat.
+
+    \sa setDefaultFormat(), {Fallback Mechanism}
+*/
+QSettings::QSettings(const QString &organization, const QString &application, QObject *parent)
+    : QObject(*QSettingsPrivate::create(NativeFormat, UserScope, organization, application),
+              parent)
+{
+}
+
+/*!
+    Constructs a QSettings object for accessing settings of the
+    application called \a application from the organization called \a
+    organization, and with parent \a parent.
+
+    If \a scope is QSettings::UserScope, the QSettings object searches
+    user-specific settings first, before it searches system-wide
+    settings as a fallback. If \a scope is
+    QSettings::SystemScope, the QSettings object ignores user-specific
+    settings and provides access to system-wide settings.
+
+    The storage format is QSettings::NativeFormat.
+
+    If no application name is given, the QSettings object will
+    only access the organization-wide \l{Fallback Mechanism}{locations}.
+
+    \sa setDefaultFormat()
+*/
+QSettings::QSettings(Scope scope, const QString &organization, const QString &application,
+                     QObject *parent)
+    : QObject(*QSettingsPrivate::create(NativeFormat, scope, organization, application), parent)
+{
+}
+
+/*!
+    Constructs a QSettings object for accessing settings of the
+    application called \a application from the organization called
+    \a organization, and with parent \a parent.
+
+    If \a scope is QSettings::UserScope, the QSettings object searches
+    user-specific settings first, before it searches system-wide
+    settings as a fallback. If \a scope is
+    QSettings::SystemScope, the QSettings object ignores user-specific
+    settings and provides access to system-wide settings.
+
+    If \a format is QSettings::NativeFormat, the native API is used for
+    storing settings. If \a format is QSettings::IniFormat, the INI format
+    is used.
+
+    If no application name is given, the QSettings object will
+    only access the organization-wide \l{Fallback Mechanism}{locations}.
+*/
+QSettings::QSettings(Format format, Scope scope, const QString &organization,
+                     const QString &application, QObject *parent)
+    : QObject(*QSettingsPrivate::create(format, scope, organization, application), parent)
+{
+}
+
+/*!
+    Constructs a QSettings object for accessing the settings
+    stored in the file called \a fileName, with parent \a parent. If
+    the file doesn't already exist, it is created.
+
+    If \a format is QSettings::NativeFormat, the meaning of \a
+    fileName depends on the platform. On Unix, \a fileName is the
+    name of an INI file. On Mac OS X, \a fileName is the name of a
+    \c .plist file. On Windows, \a fileName is a path in the system
+    registry.
+
+    If \a format is QSettings::IniFormat, \a fileName is the name of an INI
+    file.
+
+    \warning This function is provided for convenience. It works well for
+    accessing INI or \c .plist files generated by Qt, but might fail on some
+    syntaxes found in such files originated by other programs. In particular,
+    be aware of the following limitations:
+
+    \list
+    \o QSettings provides no way of reading INI "path" entries, i.e., entries
+       with unescaped slash characters. (This is because these entries are
+       ambiguous and cannot be resolved automatically.)
+    \o In INI files, QSettings uses the \c @ character as a metacharacter in some
+       contexts, to encode Qt-specific data types (e.g., \c @Rect), and might
+       therefore misinterpret it when it occurs in pure INI files.
+    \endlist
+
+    \sa fileName()
+*/
+QSettings::QSettings(const QString &fileName, Format format, QObject *parent)
+    : QObject(*QSettingsPrivate::create(fileName, format), parent)
+{
+}
+
+/*!
+    Constructs a QSettings object for accessing settings of the
+    application and organization set previously with a call to
+    QCoreApplication::setOrganizationName(),
+    QCoreApplication::setOrganizationDomain(), and
+    QCoreApplication::setApplicationName().
+
+    The scope is QSettings::UserScope and the format is
+    defaultFormat() (QSettings::NativeFormat by default).
+
+    The code
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 11
+
+    is equivalent to
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 12
+
+    If QCoreApplication::setOrganizationName() and
+    QCoreApplication::setApplicationName() has not been previously
+    called, the QSettings object will not be able to read or write
+    any settings, and status() will return AccessError.
+
+    On Mac OS X, if both a name and an Internet domain are specified
+    for the organization, the domain is preferred over the name. On
+    other platforms, the name is preferred over the domain.
+
+    \sa QCoreApplication::setOrganizationName(),
+        QCoreApplication::setOrganizationDomain(),
+        QCoreApplication::setApplicationName(),
+        setDefaultFormat()
+*/
+QSettings::QSettings(QObject *parent)
+    : QObject(*QSettingsPrivate::create(globalDefaultFormat, UserScope,
+#ifdef Q_OS_MAC
+                                        QCoreApplication::organizationDomain().isEmpty()
+                                            ? QCoreApplication::organizationName()
+                                            : QCoreApplication::organizationDomain()
+#else
+                                        QCoreApplication::organizationName().isEmpty()
+                                            ? QCoreApplication::organizationDomain()
+                                            : QCoreApplication::organizationName()
+#endif
+                                        , QCoreApplication::applicationName()),
+              parent)
+{
+}
+
+#else
+QSettings::QSettings(const QString &organization, const QString &application)
+    : d_ptr(QSettingsPrivate::create(globalDefaultFormat, QSettings::UserScope, organization, application))
+{
+    d_ptr->q_ptr = this;
+}
+
+QSettings::QSettings(Scope scope, const QString &organization, const QString &application)
+    : d_ptr(QSettingsPrivate::create(globalDefaultFormat, scope, organization, application))
+{
+    d_ptr->q_ptr = this;
+}
+
+QSettings::QSettings(Format format, Scope scope, const QString &organization,
+                     const QString &application)
+    : d_ptr(QSettingsPrivate::create(format, scope, organization, application))
+{
+    d_ptr->q_ptr = this;
+}
+
+QSettings::QSettings(const QString &fileName, Format format)
+    : d_ptr(QSettingsPrivate::create(fileName, format))
+{
+    d_ptr->q_ptr = this;
+}
+#endif
+
+/*!
+    Destroys the QSettings object.
+
+    Any unsaved changes will eventually be written to permanent
+    storage.
+
+    \sa sync()
+*/
+QSettings::~QSettings()
+{
+    Q_D(QSettings);
+    if (d->pendingChanges)
+        d->flush();
+#ifdef QT_NO_QOBJECT
+    delete d;
+#endif
+}
+
+/*!
+    Removes all entries in the primary location associated to this
+    QSettings object.
+
+    Entries in fallback locations are not removed.
+
+    If you only want to remove the entries in the current group(),
+    use remove("") instead.
+
+    \sa remove(), setFallbacksEnabled()
+*/
+void QSettings::clear()
+{
+    Q_D(QSettings);
+    d->clear();
+    d->requestUpdate();
+}
+
+/*!
+    Writes any unsaved changes to permanent storage, and reloads any
+    settings that have been changed in the meantime by another
+    application.
+
+    This function is called automatically from QSettings's destructor and
+    by the event loop at regular intervals, so you normally don't need to
+    call it yourself.
+
+    \sa status()
+*/
+void QSettings::sync()
+{
+    Q_D(QSettings);
+    d->sync();
+}
+
+/*!
+    Returns the path where settings written using this QSettings
+    object are stored.
+
+    On Windows, if the format is QSettings::NativeFormat, the return value
+    is a system registry path, not a file path.
+
+    \sa isWritable(), format()
+*/
+QString QSettings::fileName() const
+{
+    Q_D(const QSettings);
+    return d->fileName();
+}
+
+/*!
+    \since 4.4
+
+    Returns the format used for storing the settings.
+
+    \sa defaultFormat(), fileName(), scope(), organizationName(), applicationName()
+*/
+QSettings::Format QSettings::format() const
+{
+    Q_D(const QSettings);
+    return d->format;
+}
+
+/*!
+    \since 4.4
+
+    Returns the scope used for storing the settings.
+
+    \sa format(), organizationName(), applicationName()
+*/
+QSettings::Scope QSettings::scope() const
+{
+    Q_D(const QSettings);
+    return d->scope;
+}
+
+/*!
+    \since 4.4
+
+    Returns the organization name used for storing the settings.
+
+    \sa QCoreApplication::organizationName(), format(), scope(), applicationName()
+*/
+QString QSettings::organizationName() const
+{
+    Q_D(const QSettings);
+    return d->organizationName;
+}
+
+/*!
+    \since 4.4
+
+    Returns the application name used for storing the settings.
+
+    \sa QCoreApplication::applicationName(), format(), scope(), organizationName()
+*/
+QString QSettings::applicationName() const
+{
+    Q_D(const QSettings);
+    return d->applicationName;
+}
+
+#ifndef QT_NO_TEXTCODEC
+
+/*!
+    \since 4.5
+
+    Sets the codec for accessing INI files (including \c .conf files on Unix)
+    to \a codec. The codec is used for decoding any data that is read from
+    the INI file, and for encoding any data that is written to the file. By
+    default, no codec is used, and non-ASCII characters are encoded using
+    standard INI escape sequences.
+
+    \warning The codec must be set immediately after creating the QSettings
+    object, before accessing any data.
+
+    \sa iniCodec()
+*/
+void QSettings::setIniCodec(QTextCodec *codec)
+{
+    Q_D(QSettings);
+    d->iniCodec = codec;
+}
+
+/*!
+    \since 4.5
+    \overload
+
+    Sets the codec for accessing INI files (including \c .conf files on Unix)
+    to the QTextCodec for the encoding specified by \a codecName. Common
+    values for \c codecName include "ISO 8859-1", "UTF-8", and "UTF-16".
+    If the encoding isn't recognized, nothing happens.
+
+    \sa QTextCodec::codecForName()
+*/
+void QSettings::setIniCodec(const char *codecName)
+{
+    Q_D(QSettings);
+    if (QTextCodec *codec = QTextCodec::codecForName(codecName))
+        d->iniCodec = codec;
+}
+
+/*!
+    \since 4.5
+
+    Returns the codec that is used for accessing INI files. By default,
+    no codec is used, so a null pointer is returned.
+*/
+
+QTextCodec *QSettings::iniCodec() const
+{
+    Q_D(const QSettings);
+    return d->iniCodec;
+}
+
+#endif // QT_NO_TEXTCODEC
+
+/*!
+    Returns a status code indicating the first error that was met by
+    QSettings, or QSettings::NoError if no error occurred.
+
+    Be aware that QSettings delays performing some operations. For this
+    reason, you might want to call sync() to ensure that the data stored
+    in QSettings is written to disk before calling status().
+
+    \sa sync()
+*/
+QSettings::Status QSettings::status() const
+{
+    Q_D(const QSettings);
+    return d->status;
+}
+
+/*!
+    Appends \a prefix to the current group.
+
+    The current group is automatically prepended to all keys
+    specified to QSettings. In addition, query functions such as
+    childGroups(), childKeys(), and allKeys() are based on the group.
+    By default, no group is set.
+
+    Groups are useful to avoid typing in the same setting paths over
+    and over. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 13
+
+    This will set the value of three settings:
+
+    \list
+    \o \c mainwindow/size
+    \o \c mainwindow/fullScreen
+    \o \c outputpanel/visible
+    \endlist
+
+    Call endGroup() to reset the current group to what it was before
+    the corresponding beginGroup() call. Groups can be nested.
+
+    \sa endGroup(), group()
+*/
+void QSettings::beginGroup(const QString &prefix)
+{
+    Q_D(QSettings);
+    d->beginGroupOrArray(QSettingsGroup(d->normalizedKey(prefix)));
+}
+
+/*!
+    Resets the group to what it was before the corresponding
+    beginGroup() call.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 14
+
+    \sa beginGroup(), group()
+*/
+void QSettings::endGroup()
+{
+    Q_D(QSettings);
+    if (d->groupStack.isEmpty()) {
+        qWarning("QSettings::endGroup: No matching beginGroup()");
+        return;
+    }
+
+    QSettingsGroup group = d->groupStack.pop();
+    int len = group.toString().size();
+    if (len > 0)
+        d->groupPrefix.truncate(d->groupPrefix.size() - (len + 1));
+
+    if (group.isArray())
+        qWarning("QSettings::endGroup: Expected endArray() instead");
+}
+
+/*!
+    Returns the current group.
+
+    \sa beginGroup(), endGroup()
+*/
+QString QSettings::group() const
+{
+    Q_D(const QSettings);
+    return d->groupPrefix.left(d->groupPrefix.size() - 1);
+}
+
+/*!
+    Adds \a prefix to the current group and starts reading from an
+    array. Returns the size of the array.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 15
+
+    Use beginWriteArray() to write the array in the first place.
+
+    \sa beginWriteArray(), endArray(), setArrayIndex()
+*/
+int QSettings::beginReadArray(const QString &prefix)
+{
+    Q_D(QSettings);
+    d->beginGroupOrArray(QSettingsGroup(d->normalizedKey(prefix), false));
+    return value(QLatin1String("size")).toInt();
+}
+
+/*!
+    Adds \a prefix to the current group and starts writing an array
+    of size \a size. If \a size is -1 (the default), it is automatically
+    determined based on the indexes of the entries written.
+
+    If you have many occurrences of a certain set of keys, you can
+    use arrays to make your life easier. For example, let's suppose
+    that you want to save a variable-length list of user names and
+    passwords. You could then write:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 16
+
+    The generated keys will have the form
+
+    \list
+    \o \c logins/size
+    \o \c logins/1/userName
+    \o \c logins/1/password
+    \o \c logins/2/userName
+    \o \c logins/2/password
+    \o \c logins/3/userName
+    \o \c logins/3/password
+    \o ...
+    \endlist
+
+    To read back an array, use beginReadArray().
+
+    \sa beginReadArray(), endArray(), setArrayIndex()
+*/
+void QSettings::beginWriteArray(const QString &prefix, int size)
+{
+    Q_D(QSettings);
+    d->beginGroupOrArray(QSettingsGroup(d->normalizedKey(prefix), size < 0));
+
+    if (size < 0)
+        remove(QLatin1String("size"));
+    else
+        setValue(QLatin1String("size"), size);
+}
+
+/*!
+    Closes the array that was started using beginReadArray() or
+    beginWriteArray().
+
+    \sa beginReadArray(), beginWriteArray()
+*/
+void QSettings::endArray()
+{
+    Q_D(QSettings);
+    if (d->groupStack.isEmpty()) {
+        qWarning("QSettings::endArray: No matching beginArray()");
+        return;
+    }
+
+    QSettingsGroup group = d->groupStack.top();
+    int len = group.toString().size();
+    d->groupStack.pop();
+    if (len > 0)
+        d->groupPrefix.truncate(d->groupPrefix.size() - (len + 1));
+
+    if (group.arraySizeGuess() != -1)
+        setValue(group.name() + QLatin1String("/size"), group.arraySizeGuess());
+
+    if (!group.isArray())
+        qWarning("QSettings::endArray: Expected endGroup() instead");
+}
+
+/*!
+    Sets the current array index to \a i. Calls to functions such as
+    setValue(), value(), remove(), and contains() will operate on the
+    array entry at that index.
+
+    You must call beginReadArray() or beginWriteArray() before you
+    can call this function.
+*/
+void QSettings::setArrayIndex(int i)
+{
+    Q_D(QSettings);
+    if (d->groupStack.isEmpty() || !d->groupStack.top().isArray()) {
+        qWarning("QSettings::setArrayIndex: Missing beginArray()");
+        return;
+    }
+
+    QSettingsGroup &top = d->groupStack.top();
+    int len = top.toString().size();
+    top.setArrayIndex(qMax(i, 0));
+    d->groupPrefix.replace(d->groupPrefix.size() - len - 1, len, top.toString());
+}
+
+/*!
+    Returns a list of all keys, including subkeys, that can be read
+    using the QSettings object.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 17
+
+    If a group is set using beginGroup(), only the keys in the group
+    are returned, without the group prefix:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 18
+
+    \sa childGroups(), childKeys()
+*/
+QStringList QSettings::allKeys() const
+{
+    Q_D(const QSettings);
+    return d->children(d->groupPrefix, QSettingsPrivate::AllKeys);
+}
+
+/*!
+    Returns a list of all top-level keys that can be read using the
+    QSettings object.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 19
+
+    If a group is set using beginGroup(), the top-level keys in that
+    group are returned, without the group prefix:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 20
+
+    You can navigate through the entire setting hierarchy using
+    childKeys() and childGroups() recursively.
+
+    \sa childGroups(), allKeys()
+*/
+QStringList QSettings::childKeys() const
+{
+    Q_D(const QSettings);
+    return d->children(d->groupPrefix, QSettingsPrivate::ChildKeys);
+}
+
+/*!
+    Returns a list of all key top-level groups that contain keys that
+    can be read using the QSettings object.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 21
+
+    If a group is set using beginGroup(), the first-level keys in
+    that group are returned, without the group prefix.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 22
+
+    You can navigate through the entire setting hierarchy using
+    childKeys() and childGroups() recursively.
+
+    \sa childKeys(), allKeys()
+*/
+QStringList QSettings::childGroups() const
+{
+    Q_D(const QSettings);
+    return d->children(d->groupPrefix, QSettingsPrivate::ChildGroups);
+}
+
+/*!
+    Returns true if settings can be written using this QSettings
+    object; returns false otherwise.
+
+    One reason why isWritable() might return false is if
+    QSettings operates on a read-only file.
+
+    \warning This function is not perfectly reliable, because the
+    file permissions can change at any time.
+
+    \sa fileName(), status(), sync()
+*/
+bool QSettings::isWritable() const
+{
+    Q_D(const QSettings);
+    return d->isWritable();
+}
+
+/*!
+  
+  Sets the value of setting \a key to \a value. If the \a key already
+  exists, the previous value is overwritten.
+
+  Note that the Windows registry and INI files use case-insensitive
+  keys, whereas the Carbon Preferences API on Mac OS X uses
+  case-sensitive keys. To avoid portability problems, see the \l{Key
+  Syntax} rules.
+
+  Example:
+
+  \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 23
+
+  \sa value(), remove(), contains()
+*/
+void QSettings::setValue(const QString &key, const QVariant &value)
+{
+    Q_D(QSettings);
+    QString k = d->actualKey(key);
+    d->set(k, value);
+    d->requestUpdate();
+}
+
+/*!
+    Removes the setting \a key and any sub-settings of \a key.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 24
+
+    Be aware that if one of the fallback locations contains a setting
+    with the same key, that setting will be visible after calling
+    remove().
+
+    If \a key is an empty string, all keys in the current group() are
+    removed. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 25
+
+    Note that the Windows registry and INI files use case-insensitive
+    keys, whereas the Carbon Preferences API on Mac OS X uses
+    case-sensitive keys. To avoid portability problems, see the \l{Key
+    Syntax} rules.
+
+    \sa setValue(), value(), contains()
+*/
+void QSettings::remove(const QString &key)
+{
+    Q_D(QSettings);
+    /*
+        We cannot use actualKey(), because remove() supports empty
+        keys. The code is also tricky because of slash handling.
+    */
+    QString theKey = d->normalizedKey(key);
+    if (theKey.isEmpty())
+        theKey = group();
+    else
+        theKey.prepend(d->groupPrefix);
+
+    if (theKey.isEmpty()) {
+        d->clear();
+    } else {
+        d->remove(theKey);
+    }
+    d->requestUpdate();
+}
+
+/*!
+    Returns true if there exists a setting called \a key; returns
+    false otherwise.
+
+    If a group is set using beginGroup(), \a key is taken to be
+    relative to that group.
+
+    Note that the Windows registry and INI files use case-insensitive
+    keys, whereas the Carbon Preferences API on Mac OS X uses
+    case-sensitive keys. To avoid portability problems, see the \l{Key
+    Syntax} rules.
+
+    \sa value(), setValue()
+*/
+bool QSettings::contains(const QString &key) const
+{
+    Q_D(const QSettings);
+    QString k = d->actualKey(key);
+    return d->get(k, 0);
+}
+
+/*!
+    Sets whether fallbacks are enabled to \a b.
+
+    By default, fallbacks are enabled.
+
+    \sa fallbacksEnabled()
+*/
+void QSettings::setFallbacksEnabled(bool b)
+{
+    Q_D(QSettings);
+    d->fallbacks = !!b;
+}
+
+/*!
+    Returns true if fallbacks are enabled; returns false otherwise.
+
+    By default, fallbacks are enabled.
+
+    \sa setFallbacksEnabled()
+*/
+bool QSettings::fallbacksEnabled() const
+{
+    Q_D(const QSettings);
+    return d->fallbacks;
+}
+
+#ifndef QT_NO_QOBJECT
+/*!
+    \reimp
+*/
+bool QSettings::event(QEvent *event)
+{
+    Q_D(QSettings);
+    if (event->type() == QEvent::UpdateRequest) {
+        d->update();
+        return true;
+    }
+    return QObject::event(event);
+}
+#endif
+
+/*!
+    Returns the value for setting \a key. If the setting doesn't
+    exist, returns \a defaultValue.
+
+    If no default value is specified, a default QVariant is
+    returned.
+
+    Note that the Windows registry and INI files use case-insensitive
+    keys, whereas the Carbon Preferences API on Mac OS X uses
+    case-sensitive keys. To avoid portability problems, see the \l{Key
+    Syntax} rules.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 26
+
+    \sa setValue(), contains(), remove()
+*/
+QVariant QSettings::value(const QString &key, const QVariant &defaultValue) const
+{
+    Q_D(const QSettings);
+    QVariant result = defaultValue;
+    QString k = d->actualKey(key);
+    d->get(k, &result);
+    return result;
+}
+
+/*!
+    \since 4.4
+
+    Sets the default file format to the given \a format, used for storing
+    settings for the QSettings(QObject *) constructor.
+
+    If no default format is set, QSettings::NativeFormat is used.
+
+    \sa format()
+*/
+void QSettings::setDefaultFormat(Format format)
+{
+    globalDefaultFormat = format;
+}
+
+/*!
+    \since 4.4
+
+    Returns default file format used for storing settings for the QSettings(QObject *) constructor.
+    If no default format is set, QSettings::NativeFormat is used.
+
+    \sa format()
+*/
+QSettings::Format QSettings::defaultFormat()
+{
+    return globalDefaultFormat;
+}
+
+/*!
+    \obsolete
+
+    Use setPath() instead.
+
+    \oldcode
+        setSystemIniPath(path);
+    \newcode
+        setPath(QSettings::NativeFormat, QSettings::SystemScope, path);
+        setPath(QSettings::IniFormat, QSettings::SystemScope, path);
+    \endcode
+*/
+void QSettings::setSystemIniPath(const QString &dir)
+{
+    setPath(IniFormat, SystemScope, dir);
+#if !defined(Q_OS_WIN) && !defined(Q_OS_MAC)
+    setPath(NativeFormat, SystemScope, dir);
+#endif
+}
+
+/*!
+    \obsolete
+
+    Use setPath() instead.
+*/
+
+void QSettings::setUserIniPath(const QString &dir)
+{
+    setPath(IniFormat, UserScope, dir);
+#if !defined(Q_OS_WIN) && !defined(Q_OS_MAC)
+    setPath(NativeFormat, UserScope, dir);
+#endif
+}
+
+/*!
+    \since 4.1
+
+    Sets the path used for storing settings for the given \a format
+    and \a scope, to \a path. The \a format can be a custom format.
+
+    The table below summarizes the default values:
+
+    \table
+    \header \o Platform         \o Format                       \o Scope       \o Path
+    \row    \o{1,2} Windows     \o{1,2} IniFormat               \o UserScope   \o \c %APPDATA%
+    \row                                                        \o SystemScope \o \c %COMMON_APPDATA%
+    \row    \o{1,2} Unix        \o{1,2} NativeFormat, IniFormat \o UserScope   \o \c $HOME/.config
+    \row                                                        \o SystemScope \o \c /etc/xdg
+    \row    \o{1,2} Qt for Embedded Linux \o{1,2} NativeFormat, IniFormat \o UserScope   \o \c $HOME/Settings
+    \row                                                        \o SystemScope \o \c /etc/xdg
+    \row    \o{1,2} Mac OS X    \o{1,2} IniFormat               \o UserScope   \o \c $HOME/.config
+    \row                                                        \o SystemScope \o \c /etc/xdg
+    \endtable
+
+    The default UserScope paths on Unix and Mac OS X (\c
+    $HOME/.config or $HOME/Settings) can be overridden by the user by setting the
+    \c XDG_CONFIG_HOME environment variable. The default SystemScope
+    paths on Unix and Mac OS X (\c /etc/xdg) can be overridden when
+    building the Qt library using the \c configure script's \c
+    --sysconfdir flag (see QLibraryInfo for details).
+
+    Setting the NativeFormat paths on Windows and Mac OS X has no
+    effect.
+
+    \warning This function doesn't affect existing QSettings objects.
+
+    \sa registerFormat()
+*/
+void QSettings::setPath(Format format, Scope scope, const QString &path)
+{
+    QMutexLocker locker(globalMutex());
+    PathHash *pathHash = pathHashFunc();
+    pathHash->insert(pathHashKey(format, scope), path + QDir::separator());
+}
+
+/*!
+    \typedef QSettings::SettingsMap
+
+    Typedef for QMap<QString, QVariant>.
+
+    \sa registerFormat()
+*/
+
+/*!
+    \typedef QSettings::ReadFunc
+
+    Typedef for a pointer to a function with the following signature:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 27
+
+    \sa WriteFunc, registerFormat()
+*/
+
+/*!
+    \typedef QSettings::WriteFunc
+
+    Typedef for a pointer to a function with the following signature:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 28
+
+    \sa ReadFunc, registerFormat()
+*/
+
+/*!
+    \since 4.1
+    \threadsafe
+
+    Registers a custom storage format. On success, returns a special
+    Format value that can then be passed to the QSettings constuctor.
+    On failure, returns InvalidFormat.
+
+    The \a extension is the file
+    extension associated to the format (without the '.').
+
+    The \a readFunc and \a writeFunc parameters are pointers to
+    functions that read and write a set of (key, value) pairs. The
+    QIODevice parameter to the read and write functions is always
+    opened in binary mode (i.e., without the QIODevice::Text flag).
+
+    The \a caseSensitivity parameter specifies whether keys are case
+    sensitive or not. This makes a difference when looking up values
+    using QSettings. The default is case sensitive.
+
+    By default, if you use one of the constructors that work in terms
+    of an organization name and an application name, the file system
+    locations used are the same as for IniFormat. Use setPath() to
+    specify other locations.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qsettings.cpp 29
+
+    \sa setPath()
+*/
+QSettings::Format QSettings::registerFormat(const QString &extension, ReadFunc readFunc,
+                                            WriteFunc writeFunc,
+                                            Qt::CaseSensitivity caseSensitivity)
+{
+#ifdef QT_QSETTINGS_ALWAYS_CASE_SENSITIVE_AND_FORGET_ORIGINAL_KEY_ORDER
+    Q_ASSERT(caseSensitivity == Qt::CaseSensitive);
+#endif
+
+    QMutexLocker locker(globalMutex());
+    CustomFormatVector *customFormatVector = customFormatVectorFunc();
+    int index = customFormatVector->size();
+    if (index == 16) // the QSettings::Format enum has room for 16 custom formats
+        return QSettings::InvalidFormat;
+
+    QConfFileCustomFormat info;
+    info.extension = QLatin1Char('.');
+    info.extension += extension;
+    info.readFunc = readFunc;
+    info.writeFunc = writeFunc;
+    info.caseSensitivity = caseSensitivity;
+    customFormatVector->append(info);
+
+    return QSettings::Format((int)QSettings::CustomFormat1 + index);
+}
+
+#ifdef QT3_SUPPORT
+void QSettings::setPath_helper(Scope scope, const QString &organization, const QString &application)
+{
+    Q_D(QSettings);
+    if (d->pendingChanges)
+        d->flush();
+    QSettingsPrivate *oldPriv = d;
+    QSettingsPrivate *newPriv = QSettingsPrivate::create(oldPriv->format, scope, organization, application);
+    static_cast<QObjectPrivate &>(*newPriv) = static_cast<QObjectPrivate &>(*oldPriv);  // copy the QObject stuff over (hack)
+    delete oldPriv;
+    d_ptr = newPriv;
+}
+
+/*! \fn bool QSettings::writeEntry(const QString &key, bool value)
+
+    Sets the value of setting \a key to \a value.
+
+    Use setValue() instead.
+*/
+
+/*! \fn bool QSettings::writeEntry(const QString &key, double value)
+
+    \overload
+*/
+
+/*! \fn bool QSettings::writeEntry(const QString &key, int value)
+
+    \overload
+*/
+
+/*! \fn bool QSettings::writeEntry(const QString &key, const char *value)
+
+    \overload
+*/
+
+/*! \fn bool QSettings::writeEntry(const QString &key, const QString &value)
+
+    \overload
+*/
+
+/*! \fn bool QSettings::writeEntry(const QString &key, const QStringList &value)
+
+    \overload
+*/
+
+/*! \fn bool QSettings::writeEntry(const QString &key, const QStringList &value, QChar separator)
+
+    \overload
+
+    Use setValue(\a key, \a value) instead. You don't need \a separator.
+*/
+
+/*! \fn QStringList QSettings::readListEntry(const QString &key, bool *ok = 0)
+
+    Returns the value of setting \a key converted to a QStringList.
+
+    If \a ok is not 0, *\a{ok} is set to true if the key exists,
+    otherwise *\a{ok} is set to false.
+
+    Use value() instead.
+
+    \oldcode
+        bool ok;
+        QStringList list = settings.readListEntry("recentFiles", &ok);
+    \newcode
+        bool ok = settings.contains("recentFiles");
+        QStringList list = settings.value("recentFiles").toStringList();
+    \endcode
+*/
+
+/*! \fn QStringList QSettings::readListEntry(const QString &key, QChar separator, bool *ok)
+
+    Returns the value of setting \a key converted to a QStringList.
+    \a separator is ignored.
+
+    If \a ok is not 0, *\a{ok} is set to true if the key exists,
+    otherwise *\a{ok} is set to false.
+
+    Use value() instead.
+
+    \oldcode
+        bool ok;
+        QStringList list = settings.readListEntry("recentFiles", ":", &ok);
+    \newcode
+        bool ok = settings.contains("recentFiles");
+        QStringList list = settings.value("recentFiles").toStringList();
+    \endcode
+*/
+
+/*! \fn QString QSettings::readEntry(const QString &key, const QString &defaultValue, bool *ok)
+
+    Returns the value for setting \a key converted to a QString. If
+    the setting doesn't exist, returns \a defaultValue.
+
+    If \a ok is not 0, *\a{ok} is set to true if the key exists,
+    otherwise *\a{ok} is set to false.
+
+    Use value() instead.
+
+    \oldcode
+        bool ok;
+        QString str = settings.readEntry("userName", "administrator", &ok);
+    \newcode
+        bool ok = settings.contains("userName");
+        QString str = settings.value("userName", "administrator").toString();
+    \endcode
+*/
+
+/*! \fn int QSettings::readNumEntry(const QString &key, int defaultValue, bool *ok)
+
+    Returns the value for setting \a key converted to an \c int. If
+    the setting doesn't exist, returns \a defaultValue.
+
+    If \a ok is not 0, *\a{ok} is set to true if the key exists,
+    otherwise *\a{ok} is set to false.
+
+    Use value() instead.
+
+    \oldcode
+        bool ok;
+        int max = settings.readNumEntry("maxConnections", 30, &ok);
+    \newcode
+        bool ok = settings.contains("maxConnections");
+        int max = settings.value("maxConnections", 30).toInt();
+    \endcode
+*/
+
+/*! \fn double QSettings::readDoubleEntry(const QString &key, double defaultValue, bool *ok)
+
+    Returns the value for setting \a key converted to a \c double. If
+    the setting doesn't exist, returns \a defaultValue.
+
+    If \a ok is not 0, *\a{ok} is set to true if the key exists,
+    otherwise *\a{ok} is set to false.
+
+    Use value() instead.
+
+    \oldcode
+        bool ok;
+        double pi = settings.readDoubleEntry("pi", 3.141592, &ok);
+    \newcode
+        bool ok = settings.contains("pi");
+        double pi = settings.value("pi", 3.141592).toDouble();
+    \endcode
+*/
+
+/*! \fn bool QSettings::readBoolEntry(const QString &key, bool defaultValue, bool *ok)
+
+    Returns the value for setting \a key converted to a \c bool. If
+    the setting doesn't exist, returns \a defaultValue.
+
+    If \a ok is not 0, *\a{ok} is set to true if the key exists,
+    otherwise *\a{ok} is set to false.
+
+    Use value() instead.
+
+    \oldcode
+        bool ok;
+        bool grid = settings.readBoolEntry("showGrid", true, &ok);
+    \newcode
+        bool ok = settings.contains("showGrid");
+        bool grid = settings.value("showGrid", true).toBool();
+    \endcode
+*/
+
+/*! \fn bool QSettings::removeEntry(const QString &key)
+
+    Use remove() instead.
+*/
+
+/*! \enum QSettings::System
+    \compat
+
+    \value Unix Unix systems (X11 and Embedded Linux)
+    \value Windows Microsoft Windows systems
+    \value Mac Mac OS X systems
+
+    \sa insertSearchPath(), removeSearchPath()
+*/
+
+/*! \fn void QSettings::insertSearchPath(System system, const QString &path)
+
+    This function is implemented as a no-op. It is provided for
+    source compatibility with Qt 3. The new QSettings class has no
+    concept of "search path".
+*/
+
+/*! \fn void QSettings::removeSearchPath(System system, const QString &path)
+
+    This function is implemented as a no-op. It is provided for
+    source compatibility with Qt 3. The new QSettings class has no
+    concept of "search path".
+*/
+
+/*! \fn void QSettings::setPath(const QString &organization, const QString &application, \
+                                Scope scope)
+
+    Specifies the \a organization, \a application, and \a scope to
+    use by the QSettings object.
+
+    Use the appropriate constructor instead, with QSettings::UserScope
+    instead of QSettings::User and QSettings::SystemScope instead of
+    QSettings::Global.
+
+    \oldcode
+        QSettings settings;
+        settings.setPath("twikimaster.com", "Kanooth", QSettings::Global);
+    \newcode
+        QSettings settings(QSettings::SystemScope, "twikimaster.com", "Kanooth");
+    \endcode
+*/
+
+/*! \fn void QSettings::resetGroup()
+
+    Sets the current group to be the empty string.
+
+    Use endGroup() instead (possibly multiple times).
+
+    \oldcode
+        QSettings settings;
+        settings.beginGroup("mainWindow");
+        settings.beginGroup("leftPanel");
+        ...
+        settings.resetGroup();
+    \newcode
+        QSettings settings;
+        settings.beginGroup("mainWindow");
+        settings.beginGroup("leftPanel");
+        ...
+        settings.endGroup();
+        settings.endGroup();
+    \endcode
+*/
+
+/*! \fn QStringList QSettings::entryList(const QString &key) const
+
+    Returns a list of all sub-keys of \a key.
+
+    Use childKeys() instead.
+
+    \oldcode
+        QSettings settings;
+        QStringList keys = settings.entryList("cities");
+        ...
+    \newcode
+        QSettings settings;
+        settings.beginGroup("cities");
+        QStringList keys = settings.childKeys();
+        ...
+        settings.endGroup();
+    \endcode
+*/
+
+/*! \fn QStringList QSettings::subkeyList(const QString &key) const
+
+    Returns a list of all sub-keys of \a key.
+
+    Use childGroups() instead.
+
+    \oldcode
+        QSettings settings;
+        QStringList groups = settings.entryList("cities");
+        ...
+    \newcode
+        QSettings settings;
+        settings.beginGroup("cities");
+        QStringList groups = settings.childKeys();
+        ...
+        settings.endGroup();
+    \endcode
+*/
+#endif
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SETTINGS
diff --git a/src/corelib/io/qsettings.h b/src/corelib/io/qsettings.h
new file mode 100644
index 0000000000..cbb24ba95c
--- /dev/null
+++ b/src/corelib/io/qsettings.h
@@ -0,0 +1,313 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSETTINGS_H
+#define QSETTINGS_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qvariant.h>
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+QT_MODULE(Core)
+QT_END_NAMESPACE
+
+#ifndef QT_NO_SETTINGS
+
+#ifdef QT3_SUPPORT
+#include <QtCore/qstringlist.h>
+#endif
+
+#include <ctype.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifdef Status // we seem to pick up a macro Status --> int somewhere
+#undef Status
+#endif
+
+class QIODevice;
+class QSettingsPrivate;
+
+#ifndef QT_NO_QOBJECT
+class Q_CORE_EXPORT QSettings : public QObject
+#else
+class Q_CORE_EXPORT QSettings
+#endif
+{
+#ifndef QT_NO_QOBJECT
+    Q_OBJECT
+#else
+    QSettingsPrivate *d_ptr;
+#endif
+    Q_DECLARE_PRIVATE(QSettings)
+
+public:
+    enum Status {
+        NoError = 0,
+        AccessError,
+        FormatError
+    };
+
+    enum Format {
+        NativeFormat,
+        IniFormat,
+
+        InvalidFormat = 16,
+        CustomFormat1,
+        CustomFormat2,
+        CustomFormat3,
+        CustomFormat4,
+        CustomFormat5,
+        CustomFormat6,
+        CustomFormat7,
+        CustomFormat8,
+        CustomFormat9,
+        CustomFormat10,
+        CustomFormat11,
+        CustomFormat12,
+        CustomFormat13,
+        CustomFormat14,
+        CustomFormat15,
+        CustomFormat16
+    };
+
+    enum Scope {
+        UserScope,
+        SystemScope
+#ifdef QT3_SUPPORT
+        ,
+        User = UserScope,
+        Global = SystemScope
+#endif
+    };
+
+#ifndef QT_NO_QOBJECT
+    explicit QSettings(const QString &organization,
+                       const QString &application = QString(), QObject *parent = 0);
+    QSettings(Scope scope, const QString &organization,
+              const QString &application = QString(), QObject *parent = 0);
+    QSettings(Format format, Scope scope, const QString &organization,
+	      const QString &application = QString(), QObject *parent = 0);
+    QSettings(const QString &fileName, Format format, QObject *parent = 0);
+    explicit QSettings(QObject *parent = 0);
+#else
+    explicit QSettings(const QString &organization,
+                       const QString &application = QString());
+    QSettings(Scope scope, const QString &organization,
+              const QString &application = QString());
+    QSettings(Format format, Scope scope, const QString &organization,
+              const QString &application = QString());
+    QSettings(const QString &fileName, Format format);
+#endif
+    ~QSettings();
+
+    void clear();
+    void sync();
+    Status status() const;
+
+    void beginGroup(const QString &prefix);
+    void endGroup();
+    QString group() const;
+
+    int beginReadArray(const QString &prefix);
+    void beginWriteArray(const QString &prefix, int size = -1);
+    void endArray();
+    void setArrayIndex(int i);
+
+    QStringList allKeys() const;
+    QStringList childKeys() const;
+    QStringList childGroups() const;
+    bool isWritable() const;
+
+    void setValue(const QString &key, const QVariant &value);
+    QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
+
+    void remove(const QString &key);
+    bool contains(const QString &key) const;
+
+    void setFallbacksEnabled(bool b);
+    bool fallbacksEnabled() const;
+
+    QString fileName() const;
+    Format format() const;
+    Scope scope() const;
+    QString organizationName() const;
+    QString applicationName() const;
+
+#ifndef QT_NO_TEXTCODEC
+    void setIniCodec(QTextCodec *codec);
+    void setIniCodec(const char *codecName);
+    QTextCodec *iniCodec() const;
+#endif
+
+    static void setDefaultFormat(Format format);
+    static Format defaultFormat();
+    static void setSystemIniPath(const QString &dir); // ### remove in 5.0 (use setPath() instead)
+    static void setUserIniPath(const QString &dir);   // ### remove in 5.0 (use setPath() instead)
+    static void setPath(Format format, Scope scope, const QString &path);
+
+    typedef QMap<QString, QVariant> SettingsMap;
+    typedef bool (*ReadFunc)(QIODevice &device, SettingsMap &map);
+    typedef bool (*WriteFunc)(QIODevice &device, const SettingsMap &map);
+
+    static Format registerFormat(const QString &extension, ReadFunc readFunc, WriteFunc writeFunc,
+                                 Qt::CaseSensitivity caseSensitivity = Qt::CaseSensitive);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT bool writeEntry(const QString &key, bool value)
+    { setValue(key, value); return isWritable(); }
+    inline QT3_SUPPORT bool writeEntry(const QString &key, double value)
+    { setValue(key, value); return isWritable(); }
+    inline QT3_SUPPORT bool writeEntry(const QString &key, int value)
+    { setValue(key, value); return isWritable(); }
+    inline QT3_SUPPORT bool writeEntry(const QString &key, const char *value)
+    { setValue(key, QString::fromAscii(value)); return isWritable(); }
+    inline QT3_SUPPORT bool writeEntry(const QString &key, const QString &value)
+    { setValue(key, value); return isWritable(); }
+    inline QT3_SUPPORT bool writeEntry(const QString &key, const QStringList &value)
+    { setValue(key, value); return isWritable(); }
+    inline QT3_SUPPORT bool writeEntry(const QString &key, const QStringList &value, QChar separator)
+    { setValue(key, value.join(QString(separator))); return isWritable(); }
+    inline QT3_SUPPORT QStringList readListEntry(const QString &key, bool *ok = 0)
+    {
+        if (ok)
+            *ok = contains(key);
+        return value(key).toStringList();
+    }
+    inline QT3_SUPPORT QStringList readListEntry(const QString &key, QChar separator, bool *ok = 0)
+    {
+        if (ok)
+            *ok = contains(key);
+        QString str = value(key).toString();
+        if (str.isEmpty())
+            return QStringList();
+        return str.split(separator);
+    }
+    inline QT3_SUPPORT QString readEntry(const QString &key, const QString &defaultValue = QString(),
+                                         bool *ok = 0)
+    {
+        if (ok)
+            *ok = contains(key);
+        return value(key, defaultValue).toString();
+    }
+    inline QT3_SUPPORT int readNumEntry(const QString &key, int defaultValue = 0, bool *ok = 0)
+    {
+        if (ok)
+            *ok = contains(key);
+        return value(key, defaultValue).toInt();
+    }
+    inline QT3_SUPPORT double readDoubleEntry(const QString &key, double defaultValue = 0,
+                                              bool *ok = 0)
+    {
+        if (ok)
+            *ok = contains(key);
+        return value(key, defaultValue).toDouble();
+    }
+    inline QT3_SUPPORT bool readBoolEntry(const QString &key, bool defaultValue = false,
+                                          bool *ok = 0)
+    {
+        if (ok)
+            *ok = contains(key);
+        return value(key, defaultValue).toBool();
+    }
+    inline QT3_SUPPORT bool removeEntry(const QString &key)
+    { remove(key); return true; }
+
+    enum System { Unix, Windows, Mac };
+    inline QT3_SUPPORT void insertSearchPath(System, const QString &) {}
+    inline QT3_SUPPORT void removeSearchPath(System, const QString &) {}
+
+    inline QT3_SUPPORT void setPath(const QString &organization, const QString &application,
+                                    Scope scope = Global)
+    {
+        setPath_helper(scope == Global ? QSettings::SystemScope : QSettings::UserScope,
+                       organization, application);
+    }
+    inline QT3_SUPPORT void resetGroup()
+    {
+        while (!group().isEmpty())
+            endGroup();
+    }
+    inline QT3_SUPPORT QStringList entryList(const QString &key) const
+    {
+        QSettings *that = const_cast<QSettings *>(this);
+        QStringList result;
+
+        that->beginGroup(key);
+        result = that->childKeys();
+        that->endGroup();
+        return result;
+    }
+    inline QT3_SUPPORT QStringList subkeyList(const QString &key) const
+    {
+        QSettings *that = const_cast<QSettings *>(this);
+        QStringList result;
+
+        that->beginGroup(key);
+        result = that->childGroups();
+        that->endGroup();
+        return result;
+    }
+#endif
+
+protected:
+#ifndef QT_NO_QOBJECT
+    bool event(QEvent *event);
+#endif
+
+private:
+#ifdef QT3_SUPPORT
+    void setPath_helper(Scope scope, const QString &organization, const QString &application);
+#endif
+
+    Q_DISABLE_COPY(QSettings)
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SETTINGS
+
+QT_END_HEADER
+
+#endif // QSETTINGS_H
diff --git a/src/corelib/io/qsettings_mac.cpp b/src/corelib/io/qsettings_mac.cpp
new file mode 100644
index 0000000000..9a9e2d7336
--- /dev/null
+++ b/src/corelib/io/qsettings_mac.cpp
@@ -0,0 +1,654 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsettings.h"
+#include "qsettings_p.h"
+#include "qdatetime.h"
+#include "qdir.h"
+#include "qvarlengtharray.h"
+#include "private/qcore_mac_p.h"
+
+QT_BEGIN_NAMESPACE
+
+static const CFStringRef hostNames[2] = { kCFPreferencesCurrentHost, kCFPreferencesAnyHost };
+static const int numHostNames = 2;
+
+/*
+    On the Mac, it is more natural to use '.' as the key separator
+    than '/'. Therefore, it makes sense to replace '/' with '.' in
+    keys. Then we replace '.' with middle dots (which we can't show
+    here) and middle dots with '/'. A key like "4.0/BrowserCommand"
+    becomes "4<middot>0.BrowserCommand".
+*/
+
+enum RotateShift { Macify = 1, Qtify = 2 };
+
+static QString rotateSlashesDotsAndMiddots(const QString &key, int shift)
+{
+    static const int NumKnights = 3;
+    static const char knightsOfTheRoundTable[NumKnights] = { '/', '.', '\xb7' };
+    QString result = key;
+
+    for (int i = 0; i < result.size(); ++i) {
+        for (int j = 0; j < NumKnights; ++j) {
+            if (result.at(i) == QLatin1Char(knightsOfTheRoundTable[j])) {
+                result[i] = QLatin1Char(knightsOfTheRoundTable[(j + shift) % NumKnights]).unicode();
+                break;
+            }
+        }
+    }
+    return result;
+}
+
+static QCFType<CFStringRef> macKey(const QString &key)
+{
+    return QCFString::toCFStringRef(rotateSlashesDotsAndMiddots(key, Macify));
+}
+
+static QString qtKey(CFStringRef cfkey)
+{
+    return rotateSlashesDotsAndMiddots(QCFString::toQString(cfkey), Qtify);
+}
+
+static QCFType<CFPropertyListRef> macValue(const QVariant &value);
+
+static CFArrayRef macList(const QList<QVariant> &list)
+{
+    int n = list.size();
+    QVarLengthArray<QCFType<CFPropertyListRef> > cfvalues(n);
+    for (int i = 0; i < n; ++i)
+        cfvalues[i] = macValue(list.at(i));
+    return CFArrayCreate(kCFAllocatorDefault, reinterpret_cast<const void **>(cfvalues.data()),
+                         CFIndex(n), &kCFTypeArrayCallBacks);
+}
+
+static QCFType<CFPropertyListRef> macValue(const QVariant &value)
+{
+    CFPropertyListRef result = 0;
+
+    switch (value.type()) {
+    case QVariant::ByteArray:
+        {
+            QByteArray ba = value.toByteArray();
+            result = CFDataCreate(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(ba.data()),
+                                  CFIndex(ba.size()));
+        }
+        break;
+    // should be same as below (look for LIST)
+    case QVariant::List:
+    case QVariant::StringList:
+    case QVariant::Polygon:
+        result = macList(value.toList());
+        break;
+    case QVariant::Map:
+        {
+            /*
+                QMap<QString, QVariant> is potentially a multimap,
+                whereas CFDictionary is a single-valued map. To allow
+                for multiple values with the same key, we store
+                multiple values in a CFArray. To avoid ambiguities,
+                we also wrap lists in a CFArray singleton.
+            */
+            QMap<QString, QVariant> map = value.toMap();
+            QMap<QString, QVariant>::const_iterator i = map.constBegin();
+
+            int maxUniqueKeys = map.size();
+            int numUniqueKeys = 0;
+            QVarLengthArray<QCFType<CFPropertyListRef> > cfkeys(maxUniqueKeys);
+            QVarLengthArray<QCFType<CFPropertyListRef> > cfvalues(maxUniqueKeys);
+
+            while (i != map.constEnd()) {
+                const QString &key = i.key();
+                QList<QVariant> values;
+
+                do {
+                    values << i.value();
+                    ++i;
+                } while (i != map.constEnd() && i.key() == key);
+
+                bool singleton = (values.count() == 1);
+                if (singleton) {
+                    switch (values.first().type()) {
+                    // should be same as above (look for LIST)
+                    case QVariant::List:
+                    case QVariant::StringList:
+                    case QVariant::Polygon:
+                        singleton = false;
+                    default:
+                        ;
+                    }
+                }
+
+                cfkeys[numUniqueKeys] = QCFString::toCFStringRef(key);
+                cfvalues[numUniqueKeys] = singleton ? macValue(values.first()) : macList(values);
+                ++numUniqueKeys;
+            }
+
+            result = CFDictionaryCreate(kCFAllocatorDefault,
+                                        reinterpret_cast<const void **>(cfkeys.data()),
+                                        reinterpret_cast<const void **>(cfvalues.data()),
+                                        CFIndex(numUniqueKeys),
+                                        &kCFTypeDictionaryKeyCallBacks,
+                                        &kCFTypeDictionaryValueCallBacks);
+        }
+        break;
+    case QVariant::DateTime:
+        {
+            /*
+                CFDate, unlike QDateTime, doesn't store timezone information.
+            */
+            QDateTime dt = value.toDateTime();
+            if (dt.timeSpec() == Qt::LocalTime) {
+                QDateTime reference;
+                reference.setTime_t((uint)kCFAbsoluteTimeIntervalSince1970);
+                result = CFDateCreate(kCFAllocatorDefault, CFAbsoluteTime(reference.secsTo(dt)));
+            } else {
+                goto string_case;
+            }
+        }
+        break;
+    case QVariant::Bool:
+        result = value.toBool() ? kCFBooleanTrue : kCFBooleanFalse;
+        break;
+    case QVariant::Int:
+    case QVariant::UInt:
+        {
+            int n = value.toInt();
+            result = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &n);
+        }
+        break;
+    case QVariant::Double:
+        {
+            double n = value.toDouble();
+            result = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &n);
+        }
+        break;
+    case QVariant::LongLong:
+    case QVariant::ULongLong:
+        {
+            qint64 n = value.toLongLong();
+            result = CFNumberCreate(0, kCFNumberLongLongType, &n);
+        }
+        break;
+    case QVariant::String:
+    string_case:
+    default:
+        result = QCFString::toCFStringRef(QSettingsPrivate::variantToString(value));
+    }
+    return result;
+}
+
+static QVariant qtValue(CFPropertyListRef cfvalue)
+{
+    if (!cfvalue)
+        return QVariant();
+
+    CFTypeID typeId = CFGetTypeID(cfvalue);
+
+    /*
+        Sorted grossly from most to least frequent type.
+    */
+    if (typeId == CFStringGetTypeID()) {
+        return QSettingsPrivate::stringToVariant(QCFString::toQString(static_cast<CFStringRef>(cfvalue)));
+    } else if (typeId == CFNumberGetTypeID()) {
+        CFNumberRef cfnumber = static_cast<CFNumberRef>(cfvalue);
+        if (CFNumberIsFloatType(cfnumber)) {
+            double d;
+            CFNumberGetValue(cfnumber, kCFNumberDoubleType, &d);
+            return d;
+        } else {
+            int i;
+            qint64 ll;
+
+            if (CFNumberGetValue(cfnumber, kCFNumberIntType, &i))
+                return i;
+            CFNumberGetValue(cfnumber, kCFNumberLongLongType, &ll);
+            return ll;
+        }
+    } else if (typeId == CFArrayGetTypeID()) {
+        CFArrayRef cfarray = static_cast<CFArrayRef>(cfvalue);
+        QList<QVariant> list;
+        CFIndex size = CFArrayGetCount(cfarray);
+        bool metNonString = false;
+        for (CFIndex i = 0; i < size; ++i) {
+            QVariant value = qtValue(CFArrayGetValueAtIndex(cfarray, i));
+            if (value.type() != QVariant::String)
+                metNonString = true;
+            list << value;
+        }
+        if (metNonString)
+            return list;
+        else
+            return QVariant(list).toStringList();
+    } else if (typeId == CFBooleanGetTypeID()) {
+        return (bool)CFBooleanGetValue(static_cast<CFBooleanRef>(cfvalue));
+    } else if (typeId == CFDataGetTypeID()) {
+        CFDataRef cfdata = static_cast<CFDataRef>(cfvalue);
+        return QByteArray(reinterpret_cast<const char *>(CFDataGetBytePtr(cfdata)),
+                          CFDataGetLength(cfdata));
+    } else if (typeId == CFDictionaryGetTypeID()) {
+        CFDictionaryRef cfdict = static_cast<CFDictionaryRef>(cfvalue);
+        CFTypeID arrayTypeId = CFArrayGetTypeID();
+        int size = (int)CFDictionaryGetCount(cfdict);
+        QVarLengthArray<CFPropertyListRef> keys(size);
+        QVarLengthArray<CFPropertyListRef> values(size);
+        CFDictionaryGetKeysAndValues(cfdict, keys.data(), values.data());
+
+        QMultiMap<QString, QVariant> map;
+        for (int i = 0; i < size; ++i) {
+            QString key = QCFString::toQString(static_cast<CFStringRef>(keys[i]));
+
+            if (CFGetTypeID(values[i]) == arrayTypeId) {
+                CFArrayRef cfarray = static_cast<CFArrayRef>(values[i]);
+                CFIndex arraySize = CFArrayGetCount(cfarray);
+                for (CFIndex j = arraySize - 1; j >= 0; --j)
+                    map.insert(key, qtValue(CFArrayGetValueAtIndex(cfarray, j)));
+            } else {
+                map.insert(key, qtValue(values[i]));
+            }
+        }
+        return map;
+    } else if (typeId == CFDateGetTypeID()) {
+        QDateTime dt;
+        dt.setTime_t((uint)kCFAbsoluteTimeIntervalSince1970);
+        return dt.addSecs((int)CFDateGetAbsoluteTime(static_cast<CFDateRef>(cfvalue)));
+    }
+    return QVariant();
+}
+
+static QString comify(const QString &organization)
+{
+    for (int i = organization.size() - 1; i >= 0; --i) {
+        QChar ch = organization.at(i);
+        if (ch == QLatin1Char('.') || ch == QChar(0x3002) || ch == QChar(0xff0e)
+                || ch == QChar(0xff61)) {
+            QString suffix = organization.mid(i + 1).toLower();
+            if (suffix.size() == 2 || suffix == QLatin1String("com")
+                    || suffix == QLatin1String("org") || suffix == QLatin1String("net")
+                    || suffix == QLatin1String("edu") || suffix == QLatin1String("gov")
+                    || suffix == QLatin1String("mil") || suffix == QLatin1String("biz")
+                    || suffix == QLatin1String("info") || suffix == QLatin1String("name")
+                    || suffix == QLatin1String("pro") || suffix == QLatin1String("aero")
+                    || suffix == QLatin1String("coop") || suffix == QLatin1String("museum")) {
+                QString result = organization;
+                result.replace(QLatin1Char('/'), QLatin1Char(' '));
+                return result;
+            }
+            break;
+        }
+        int uc = ch.unicode();
+        if ((uc < 'a' || uc > 'z') && (uc < 'A' || uc > 'Z'))
+            break;
+    }
+
+    QString domain;
+    for (int i = 0; i < organization.size(); ++i) {
+        QChar ch = organization.at(i);
+        int uc = ch.unicode();
+        if ((uc >= 'a' && uc <= 'z') || (uc >= '0' && uc <= '9')) {
+            domain += ch;
+        } else if (uc >= 'A' && uc <= 'Z') {
+            domain += ch.toLower();
+        } else {
+           domain += QLatin1Char(' ');
+        }
+    }
+    domain = domain.simplified();
+    domain.replace(QLatin1Char(' '), QLatin1Char('-'));
+    if (!domain.isEmpty())
+        domain.append(QLatin1String(".com"));
+    return domain;
+}
+
+class QMacSettingsPrivate : public QSettingsPrivate
+{
+public:
+    QMacSettingsPrivate(QSettings::Scope scope, const QString &organization,
+                        const QString &application);
+    ~QMacSettingsPrivate();
+
+    void remove(const QString &key);
+    void set(const QString &key, const QVariant &value);
+    bool get(const QString &key, QVariant *value) const;
+    QStringList children(const QString &prefix, ChildSpec spec) const;
+    void clear();
+    void sync();
+    void flush();
+    bool isWritable() const;
+    QString fileName() const;
+
+private:
+    struct SearchDomain
+    {
+        CFStringRef userName;
+        CFStringRef applicationOrSuiteId;
+    };
+
+    QCFString applicationId;
+    QCFString suiteId;
+    QCFString hostName;
+    SearchDomain domains[6];
+    int numDomains;
+};
+
+QMacSettingsPrivate::QMacSettingsPrivate(QSettings::Scope scope, const QString &organization,
+                                         const QString &application)
+    : QSettingsPrivate(QSettings::NativeFormat, scope, organization, application)
+{
+    QString javaPackageName;
+    int curPos = 0;
+    int nextDot;
+
+    QString domainName = comify(organization);
+    if (domainName.isEmpty()) {
+        setStatus(QSettings::AccessError);
+        domainName = QLatin1String("unknown-organization.trolltech.com");
+    }
+
+    while ((nextDot = domainName.indexOf(QLatin1Char('.'), curPos)) != -1) {
+        javaPackageName.prepend(domainName.mid(curPos, nextDot - curPos));
+        javaPackageName.prepend(QLatin1Char('.'));
+        curPos = nextDot + 1;
+    }
+    javaPackageName.prepend(domainName.mid(curPos));
+    javaPackageName = javaPackageName.toLower();
+    if (curPos == 0)
+        javaPackageName.prepend(QLatin1String("com."));
+    suiteId = javaPackageName;
+
+    if (scope == QSettings::SystemScope)
+        spec |= F_System;
+
+    if (application.isEmpty()) {
+        spec |= F_Organization;
+    } else {
+        javaPackageName += QLatin1Char('.');
+        javaPackageName += application;
+        applicationId = javaPackageName;
+    }
+
+    numDomains = 0;
+    for (int i = (spec & F_System) ? 1 : 0; i < 2; ++i) {
+        for (int j = (spec & F_Organization) ? 1 : 0; j < 3; ++j) {
+            SearchDomain &domain = domains[numDomains++];
+            domain.userName = (i == 0) ? kCFPreferencesCurrentUser : kCFPreferencesAnyUser;
+            if (j == 0)
+                domain.applicationOrSuiteId = applicationId;
+            else if (j == 1)
+                domain.applicationOrSuiteId = suiteId;
+            else
+                domain.applicationOrSuiteId = kCFPreferencesAnyApplication;
+        }
+    }
+
+    hostName = (scope == QSettings::SystemScope) ? kCFPreferencesCurrentHost : kCFPreferencesAnyHost;
+    sync();
+}
+
+QMacSettingsPrivate::~QMacSettingsPrivate()
+{
+}
+
+void QMacSettingsPrivate::remove(const QString &key)
+{
+    QStringList keys = children(key + QLatin1Char('/'), AllKeys);
+
+    // If i == -1, then delete "key" itself.
+    for (int i = -1; i < keys.size(); ++i) {
+        QString subKey = key;
+        if (i >= 0) {
+            subKey += QLatin1Char('/');
+            subKey += keys.at(i);
+        }
+        CFPreferencesSetValue(macKey(subKey), 0, domains[0].applicationOrSuiteId,
+                              domains[0].userName, hostName);
+    }
+}
+
+void QMacSettingsPrivate::set(const QString &key, const QVariant &value)
+{
+    CFPreferencesSetValue(macKey(key), macValue(value), domains[0].applicationOrSuiteId,
+                          domains[0].userName, hostName);
+}
+
+bool QMacSettingsPrivate::get(const QString &key, QVariant *value) const
+{
+    QCFString k = macKey(key);
+    for (int i = 0; i < numDomains; ++i) {
+        for (int j = 0; j < numHostNames; ++j) {
+            QCFType<CFPropertyListRef> ret =
+                    CFPreferencesCopyValue(k, domains[i].applicationOrSuiteId, domains[i].userName,
+                                           hostNames[j]);
+            if (ret) {
+                if (value)
+                    *value = qtValue(ret);
+                return true;
+            }
+        }
+
+        if (!fallbacks)
+            break;
+    }
+    return false;
+}
+
+QStringList QMacSettingsPrivate::children(const QString &prefix, ChildSpec spec) const
+{
+    QMap<QString, QString> result;
+    int startPos = prefix.size();
+
+    for (int i = 0; i < numDomains; ++i) {
+        for (int j = 0; j < numHostNames; ++j) {
+            QCFType<CFArrayRef> cfarray = CFPreferencesCopyKeyList(domains[i].applicationOrSuiteId,
+                                                                   domains[i].userName,
+                                                                   hostNames[j]);
+            if (cfarray) {
+                CFIndex size = CFArrayGetCount(cfarray);
+                for (CFIndex k = 0; k < size; ++k) {
+                    QString currentKey =
+                            qtKey(static_cast<CFStringRef>(CFArrayGetValueAtIndex(cfarray, k)));
+                    if (currentKey.startsWith(prefix))
+                        processChild(currentKey.mid(startPos), spec, result);
+                }
+            }
+        }
+
+        if (!fallbacks)
+            break;
+    }
+    return result.keys();
+}
+
+void QMacSettingsPrivate::clear()
+{
+    QCFType<CFArrayRef> cfarray = CFPreferencesCopyKeyList(domains[0].applicationOrSuiteId,
+                                                           domains[0].userName, hostName);
+    CFPreferencesSetMultiple(0, cfarray, domains[0].applicationOrSuiteId, domains[0].userName,
+                             hostName);
+}
+
+void QMacSettingsPrivate::sync()
+{
+    for (int i = 0; i < numDomains; ++i) {
+        for (int j = 0; j < numHostNames; ++j) {
+            Boolean ok = CFPreferencesSynchronize(domains[i].applicationOrSuiteId,
+                                                  domains[i].userName, hostNames[j]);
+            // only report failures for the primary file (the one we write to)
+            if (!ok && i == 0 && hostNames[j] == hostName && status == QSettings::NoError) {
+#if 1
+                // work around what seems to be a bug in CFPreferences:
+                // don't report an error if there are no preferences for the application
+                QCFType<CFArrayRef> appIds = CFPreferencesCopyApplicationList(domains[i].userName,
+                                                                              hostNames[j]);
+
+                // iterate through all the applications and see if we're there
+                CFIndex size = CFArrayGetCount(appIds);
+                for (CFIndex k = 0; k < size; ++k) {
+                    const void *cfvalue = CFArrayGetValueAtIndex(appIds, k);
+                    if (CFGetTypeID(cfvalue) == CFStringGetTypeID()) {
+                        if (CFStringCompare(static_cast<CFStringRef>(cfvalue),
+                                            domains[i].applicationOrSuiteId,
+                                            kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
+                            setStatus(QSettings::AccessError);
+                            break;
+                        }
+                    }
+                }
+#else
+                setStatus(QSettings::AccessError);
+#endif
+            }
+        }
+    }
+}
+
+void QMacSettingsPrivate::flush()
+{
+    sync();
+}
+
+bool QMacSettingsPrivate::isWritable() const
+{
+    QMacSettingsPrivate *that = const_cast<QMacSettingsPrivate *>(this);
+    QString impossibleKey(QLatin1String("qt_internal/"));
+
+    QSettings::Status oldStatus = that->status;
+    that->status = QSettings::NoError;
+
+    that->set(impossibleKey, QVariant());
+    that->sync();
+    bool writable = (status == QSettings::NoError) && that->get(impossibleKey, 0);
+    that->remove(impossibleKey);
+    that->sync();
+
+    that->status = oldStatus;
+    return writable;
+}
+
+QString QMacSettingsPrivate::fileName() const
+{
+    QString result;
+    if ((spec & F_System) == 0)
+        result = QDir::homePath();
+    result += QLatin1String("/Library/Preferences/");
+    result += QCFString::toQString(domains[0].applicationOrSuiteId);
+    result += QLatin1String(".plist");
+    return result;
+}
+
+QSettingsPrivate *QSettingsPrivate::create(QSettings::Format format,
+                                           QSettings::Scope scope,
+                                           const QString &organization,
+                                           const QString &application)
+{
+    if (format == QSettings::NativeFormat) {
+        return new QMacSettingsPrivate(scope, organization, application);
+    } else {
+        return new QConfFileSettingsPrivate(format, scope, organization, application);
+    }
+}
+
+static QCFType<CFURLRef> urlFromFileName(const QString &fileName)
+{
+    return CFURLCreateWithFileSystemPath(kCFAllocatorDefault, QCFString(fileName),
+                                         kCFURLPOSIXPathStyle, false);
+}
+
+bool QConfFileSettingsPrivate::readPlistFile(const QString &fileName, ParsedSettingsMap *map) const
+{
+    QCFType<CFDataRef> resource;
+    SInt32 code;
+    if (!CFURLCreateDataAndPropertiesFromResource(kCFAllocatorDefault, urlFromFileName(fileName),
+                                                  &resource, 0, 0, &code))
+        return false;
+
+    QCFString errorStr;
+    QCFType<CFPropertyListRef> propertyList =
+            CFPropertyListCreateFromXMLData(kCFAllocatorDefault, resource, kCFPropertyListImmutable,
+                                            &errorStr);
+
+    if (!propertyList)
+        return true;
+    if (CFGetTypeID(propertyList) != CFDictionaryGetTypeID())
+        return false;
+
+    CFDictionaryRef cfdict =
+            static_cast<CFDictionaryRef>(static_cast<CFPropertyListRef>(propertyList));
+    int size = (int)CFDictionaryGetCount(cfdict);
+    QVarLengthArray<CFPropertyListRef> keys(size);
+    QVarLengthArray<CFPropertyListRef> values(size);
+    CFDictionaryGetKeysAndValues(cfdict, keys.data(), values.data());
+
+    for (int i = 0; i < size; ++i) {
+        QString key = qtKey(static_cast<CFStringRef>(keys[i]));
+        map->insert(QSettingsKey(key, Qt::CaseSensitive), qtValue(values[i]));
+    }
+    return true;
+}
+
+bool QConfFileSettingsPrivate::writePlistFile(const QString &fileName,
+                                              const ParsedSettingsMap &map) const
+{
+    QVarLengthArray<QCFType<CFStringRef> > cfkeys(map.size());
+    QVarLengthArray<QCFType<CFPropertyListRef> > cfvalues(map.size());
+    int i = 0;
+    ParsedSettingsMap::const_iterator j;
+    for (j = map.constBegin(); j != map.constEnd(); ++j) {
+        cfkeys[i] = macKey(j.key());
+        cfvalues[i] = macValue(j.value());
+        ++i;
+    }
+
+    QCFType<CFDictionaryRef> propertyList =
+            CFDictionaryCreate(kCFAllocatorDefault,
+                               reinterpret_cast<const void **>(cfkeys.data()),
+                               reinterpret_cast<const void **>(cfvalues.data()),
+                               CFIndex(map.size()),
+                               &kCFTypeDictionaryKeyCallBacks,
+                               &kCFTypeDictionaryValueCallBacks);
+
+    QCFType<CFDataRef> xmlData = CFPropertyListCreateXMLData(kCFAllocatorDefault, propertyList);
+
+    SInt32 code;
+    return CFURLWriteDataAndPropertiesToResource(urlFromFileName(fileName), xmlData, 0, &code);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qsettings_p.h b/src/corelib/io/qsettings_p.h
new file mode 100644
index 0000000000..dd72fd9f2f
--- /dev/null
+++ b/src/corelib/io/qsettings_p.h
@@ -0,0 +1,313 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSETTINGS_P_H
+#define QSETTINGS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qdatetime.h"
+#include "QtCore/qmap.h"
+#include "QtCore/qmutex.h"
+#include "QtCore/qiodevice.h"
+#include "QtCore/qstack.h"
+#include "QtCore/qstringlist.h"
+#ifndef QT_NO_QOBJECT
+#include "private/qobject_p.h"
+#endif
+
+#ifdef Q_OS_WIN
+#include "QtCore/qt_windows.h"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#if defined(Q_WS_QWS)
+#define QT_QSETTINGS_ALWAYS_CASE_SENSITIVE_AND_FORGET_ORIGINAL_KEY_ORDER
+#endif
+
+// used in testing framework
+#define QSETTINGS_P_H_VERSION 3
+
+#ifdef QT_QSETTINGS_ALWAYS_CASE_SENSITIVE_AND_FORGET_ORIGINAL_KEY_ORDER
+static const Qt::CaseSensitivity IniCaseSensitivity = Qt::CaseSensitive;
+
+class QSettingsKey : public QString
+{
+public:
+    inline QSettingsKey(const QString &key, Qt::CaseSensitivity cs, int /* position */ = -1)
+        : QString(key) { Q_ASSERT(cs == Qt::CaseSensitive); Q_UNUSED(cs); }
+
+    inline QString originalCaseKey() const { return *this; }
+    inline int originalKeyPosition() const { return -1; }
+};
+#else
+static const Qt::CaseSensitivity IniCaseSensitivity = Qt::CaseInsensitive;
+
+class QSettingsKey : public QString
+{
+public:
+    inline QSettingsKey(const QString &key, Qt::CaseSensitivity cs, int position = -1)
+         : QString(key), theOriginalKey(key), theOriginalKeyPosition(position)
+    {
+        if (cs == Qt::CaseInsensitive)
+            QString::operator=(toLower());
+    }
+
+    inline QString originalCaseKey() const { return theOriginalKey; }
+    inline int originalKeyPosition() const { return theOriginalKeyPosition; }
+
+private:
+    QString theOriginalKey;
+    int theOriginalKeyPosition;
+};
+#endif
+
+typedef QMap<QSettingsKey, QByteArray> UnparsedSettingsMap;
+typedef QMap<QSettingsKey, QVariant> ParsedSettingsMap;
+
+class QSettingsGroup
+{
+public:
+    inline QSettingsGroup()
+        : num(-1), maxNum(-1) {}
+    inline QSettingsGroup(const QString &s)
+        : str(s), num(-1), maxNum(-1) {}
+    inline QSettingsGroup(const QString &s, bool guessArraySize)
+        : str(s), num(0), maxNum(guessArraySize ? 0 : -1) {}
+
+    inline QString name() const { return str; }
+    inline QString toString() const;
+    inline bool isArray() const { return num != -1; }
+    inline int arraySizeGuess() const { return maxNum; }
+    inline void setArrayIndex(int i)
+    { num = i + 1; if (maxNum != -1 && num > maxNum) maxNum = num; }
+
+    QString str;
+    int num;
+    int maxNum;
+};
+
+inline QString QSettingsGroup::toString() const
+{
+    QString result;
+    result = str;
+    if (num > 0) {
+        result += QLatin1Char('/');
+        result += QString::number(num);
+    }
+    return result;
+}
+
+class Q_CORE_EXPORT QConfFile
+{
+public:
+    ParsedSettingsMap mergedKeyMap() const;
+    bool isWritable() const;
+
+    static QConfFile *fromName(const QString &name, bool _userPerms);
+    static void clearCache();
+
+    QString name;
+    QDateTime timeStamp;
+    qint64 size;
+    UnparsedSettingsMap unparsedIniSections;
+    ParsedSettingsMap originalKeys;
+    ParsedSettingsMap addedKeys;
+    ParsedSettingsMap removedKeys;
+    QAtomicInt ref;
+    QMutex mutex;
+    bool userPerms;
+
+private:
+#ifdef Q_DISABLE_COPY
+    QConfFile(const QConfFile &);
+    QConfFile &operator=(const QConfFile &);
+#endif
+    QConfFile(const QString &name, bool _userPerms);
+
+    friend class QConfFile_createsItself; // silences compiler warning
+};
+
+class Q_AUTOTEST_EXPORT QSettingsPrivate
+#ifndef QT_NO_QOBJECT
+    : public QObjectPrivate
+#endif
+{
+#ifdef QT_NO_QOBJECT
+    QSettings *q_ptr;
+#endif
+    Q_DECLARE_PUBLIC(QSettings)
+
+public:
+    QSettingsPrivate(QSettings::Format format);
+    QSettingsPrivate(QSettings::Format format, QSettings::Scope scope,
+                     const QString &organization, const QString &application);
+    virtual ~QSettingsPrivate();
+
+    virtual void remove(const QString &key) = 0;
+    virtual void set(const QString &key, const QVariant &value) = 0;
+    virtual bool get(const QString &key, QVariant *value) const = 0;
+
+    enum ChildSpec { AllKeys, ChildKeys, ChildGroups };
+    virtual QStringList children(const QString &prefix, ChildSpec spec) const = 0;
+
+    virtual void clear() = 0;
+    virtual void sync() = 0;
+    virtual void flush() = 0;
+    virtual bool isWritable() const = 0;
+    virtual QString fileName() const = 0;
+
+    QString actualKey(const QString &key) const;
+    void beginGroupOrArray(const QSettingsGroup &group);
+    void setStatus(QSettings::Status status) const;
+    void requestUpdate();
+    void update();
+
+    static QString normalizedKey(const QString &key);
+    static QSettingsPrivate *create(QSettings::Format format, QSettings::Scope scope,
+                                        const QString &organization, const QString &application);
+    static QSettingsPrivate *create(const QString &fileName, QSettings::Format format);
+
+    static void processChild(QString key, ChildSpec spec, QMap<QString, QString> &result);
+
+    // Variant streaming functions
+    static QStringList variantListToStringList(const QVariantList &l);
+    static QVariant stringListToVariantList(const QStringList &l);
+
+    // parser functions
+    static QString variantToString(const QVariant &v);
+    static QVariant stringToVariant(const QString &s);
+    static void iniEscapedKey(const QString &key, QByteArray &result);
+    static bool iniUnescapedKey(const QByteArray &key, int from, int to, QString &result);
+    static void iniEscapedString(const QString &str, QByteArray &result, QTextCodec *codec);
+    static void iniEscapedStringList(const QStringList &strs, QByteArray &result, QTextCodec *codec);
+    static bool iniUnescapedStringList(const QByteArray &str, int from, int to,
+                                       QString &stringResult, QStringList &stringListResult,
+                                       QTextCodec *codec);
+    static QStringList splitArgs(const QString &s, int idx);
+
+    /*
+    The numeric values of these enums define their search order. For example,
+    F_User | F_Organization is searched before F_System | F_Application,
+    because their values are respectively 1 and 2.
+    */
+    enum {
+       F_Application = 0x0,
+       F_Organization = 0x1,
+       F_User = 0x0,
+       F_System = 0x2,
+       NumConfFiles = 4
+    };
+
+    QSettings::Format format;
+    QSettings::Scope scope;
+    QString organizationName;
+    QString applicationName;
+    QTextCodec *iniCodec;
+
+protected:
+    QStack<QSettingsGroup> groupStack;
+    QString groupPrefix;
+    int spec;
+    bool fallbacks;
+    bool pendingChanges;
+    mutable QSettings::Status status;
+};
+
+class QConfFileSettingsPrivate : public QSettingsPrivate
+{
+public:
+    QConfFileSettingsPrivate(QSettings::Format format, QSettings::Scope scope,
+                             const QString &organization, const QString &application);
+    QConfFileSettingsPrivate(const QString &fileName, QSettings::Format format);
+    ~QConfFileSettingsPrivate();
+
+    void remove(const QString &key);
+    void set(const QString &key, const QVariant &value);
+    bool get(const QString &key, QVariant *value) const;
+
+    QStringList children(const QString &prefix, ChildSpec spec) const;
+
+    void clear();
+    void sync();
+    void flush();
+    bool isWritable() const;
+    QString fileName() const;
+
+    static bool readIniFile(const QByteArray &data, UnparsedSettingsMap *unparsedIniSections);
+    static bool readIniSection(const QSettingsKey &section, const QByteArray &data,
+                               ParsedSettingsMap *settingsMap, QTextCodec *codec);
+    static bool readIniLine(const QByteArray &data, int &dataPos, int &lineStart, int &lineLen,
+                            int &equalsPos);
+
+private:
+    void initFormat();
+    void initAccess();
+    void syncConfFile(int confFileNo);
+    bool writeIniFile(QIODevice &device, const ParsedSettingsMap &map);
+#ifdef Q_OS_MAC
+    bool readPlistFile(const QString &fileName, ParsedSettingsMap *map) const;
+    bool writePlistFile(const QString &fileName, const ParsedSettingsMap &map) const;
+#endif
+    void ensureAllSectionsParsed(QConfFile *confFile) const;
+    void ensureSectionParsed(QConfFile *confFile, const QSettingsKey &key) const;
+
+    QConfFile *confFiles[NumConfFiles];
+    QSettings::ReadFunc readFunc;
+    QSettings::WriteFunc writeFunc;
+    QString extension;
+    Qt::CaseSensitivity caseSensitivity;
+    int nextPosition;
+};
+
+QT_END_NAMESPACE
+
+#endif // QSETTINGS_P_H
diff --git a/src/corelib/io/qsettings_win.cpp b/src/corelib/io/qsettings_win.cpp
new file mode 100644
index 0000000000..a08c969bda
--- /dev/null
+++ b/src/corelib/io/qsettings_win.cpp
@@ -0,0 +1,962 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsettings.h"
+
+#ifndef QT_NO_SETTINGS
+
+#include "qsettings_p.h"
+#include "qvector.h"
+#include "qmap.h"
+#include "qt_windows.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+/*  Keys are stored in QStrings. If the variable name starts with 'u', this is a "user"
+    key, ie. "foo/bar/alpha/beta". If the variable name starts with 'r', this is a "registry"
+    key, ie. "\foo\bar\alpha\beta". */
+
+/*******************************************************************************
+** Some convenience functions
+*/
+
+/*
+  We don't use KEY_ALL_ACCESS because it gives more rights than what we
+  need. See task 199061.
+ */
+static const REGSAM registryPermissions = KEY_READ | KEY_WRITE;
+
+static QString keyPath(const QString &rKey)
+{
+    int idx = rKey.lastIndexOf(QLatin1Char('\\'));
+    if (idx == -1)
+        return QString();
+    return rKey.left(idx + 1);
+}
+
+static QString keyName(const QString &rKey)
+{
+    int idx = rKey.lastIndexOf(QLatin1Char('\\'));
+
+    QString res;
+    if (idx == -1)
+        res = rKey;
+    else
+        res = rKey.mid(idx + 1);
+
+    if (res == QLatin1String("Default") || res == QLatin1String("."))
+        res = QLatin1String("");
+
+    return res;
+}
+
+static QString escapedKey(QString uKey)
+{
+    QChar *data = uKey.data();
+    int l = uKey.length();
+    for (int i = 0; i < l; ++i) {
+        ushort &ucs = data[i].unicode();
+        if (ucs == '\\')
+            ucs = '/';
+        else if (ucs == '/')
+            ucs = '\\';
+    }
+    return uKey;
+}
+
+static QString unescapedKey(QString rKey)
+{
+    return escapedKey(rKey);
+}
+
+typedef QMap<QString, QString> NameSet;
+
+static void mergeKeySets(NameSet *dest, const NameSet &src)
+{
+    NameSet::const_iterator it = src.constBegin();
+    for (; it != src.constEnd(); ++it)
+        dest->insert(unescapedKey(it.key()), QString());
+}
+
+static void mergeKeySets(NameSet *dest, const QStringList &src)
+{
+    QStringList::const_iterator it = src.constBegin();
+    for (; it != src.constEnd(); ++it)
+        dest->insert(unescapedKey(*it), QString());
+}
+
+/*******************************************************************************
+** Wrappers for the insane windows registry API
+*/
+
+static QString errorCodeToString(DWORD errorCode)
+{
+    QString result;
+	QT_WA({
+		wchar_t *data = 0;
+		FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+			0, errorCode, 0,
+			data, 0, 0);
+		result = QString::fromUtf16(reinterpret_cast<const ushort *> (data));
+		if (data != 0)
+			LocalFree(data);
+	},	{
+		char *data = 0;
+		FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+			0, errorCode, 0,
+			(char *)&data, 0, 0);
+		result = QString::fromLocal8Bit(data);
+		if (data != 0)
+			LocalFree(data);
+	})
+    if (result.endsWith(QLatin1String("\n")))
+        result.truncate(result.length() - 1);
+
+    return result;
+}
+
+// Open a key with the specified perms
+static HKEY openKey(HKEY parentHandle, REGSAM perms, const QString &rSubKey)
+{
+    HKEY resultHandle = 0;
+
+    LONG res;
+    QT_WA( {
+        res = RegOpenKeyExW(parentHandle, reinterpret_cast<const wchar_t *>(rSubKey.utf16()),
+                            0, perms, &resultHandle);
+    } , {
+        res = RegOpenKeyExA(parentHandle, rSubKey.toLocal8Bit(),
+                            0, perms, &resultHandle);
+    } );
+
+    if (res == ERROR_SUCCESS)
+        return resultHandle;
+
+    return 0;
+}
+
+// Open a key with the specified perms, create it if it does not exist
+static HKEY createOrOpenKey(HKEY parentHandle, REGSAM perms, const QString &rSubKey)
+{
+    // try to open it
+    HKEY resultHandle = openKey(parentHandle, perms, rSubKey);
+    if (resultHandle != 0)
+        return resultHandle;
+
+    // try to create it
+    LONG res;
+    QT_WA( {
+        res = RegCreateKeyExW(parentHandle, reinterpret_cast<const wchar_t *>(rSubKey.utf16()), 0, 0,
+                              REG_OPTION_NON_VOLATILE, perms, 0, &resultHandle, 0);
+    } , {
+        res = RegCreateKeyExA(parentHandle, rSubKey.toLocal8Bit(), 0, 0,
+                              REG_OPTION_NON_VOLATILE, perms, 0, &resultHandle, 0);
+    } );
+
+    if (res == ERROR_SUCCESS)
+        return resultHandle;
+
+    //qWarning("QSettings: Failed to create subkey \"%s\": %s",
+    //        rSubKey.toLatin1().data(), errorCodeToString(res).toLatin1().data());
+
+    return 0;
+}
+
+// Open or create a key in read-write mode if possible, otherwise read-only
+static HKEY createOrOpenKey(HKEY parentHandle, const QString &rSubKey, bool *readOnly)
+{
+    // try to open or create it read/write
+    HKEY resultHandle = createOrOpenKey(parentHandle, registryPermissions, rSubKey);
+    if (resultHandle != 0) {
+        if (readOnly != 0)
+            *readOnly = false;
+        return resultHandle;
+    }
+
+    // try to open or create it read/only
+    resultHandle = createOrOpenKey(parentHandle, KEY_READ, rSubKey);
+    if (resultHandle != 0) {
+        if (readOnly != 0)
+            *readOnly = true;
+        return resultHandle;
+    }
+    return 0;
+}
+
+static QStringList childKeysOrGroups(HKEY parentHandle, QSettingsPrivate::ChildSpec spec)
+{
+    QStringList result;
+    LONG res;
+    DWORD numKeys;
+    DWORD maxKeySize;
+    DWORD numSubgroups;
+    DWORD maxSubgroupSize;
+
+    // Find the number of keys and subgroups, as well as the max of their lengths.
+    QT_WA( {
+        res = RegQueryInfoKeyW(parentHandle, 0, 0, 0, &numSubgroups, &maxSubgroupSize, 0,
+                               &numKeys, &maxKeySize, 0, 0, 0);
+    }, {
+        res = RegQueryInfoKeyA(parentHandle, 0, 0, 0, &numSubgroups, &maxSubgroupSize, 0,
+                               &numKeys, &maxKeySize, 0, 0, 0);
+    } );
+
+    if (res != ERROR_SUCCESS) {
+        qWarning("QSettings: RegQueryInfoKey() failed: %s", errorCodeToString(res).toLatin1().data());
+        return result;
+    }
+
+    ++maxSubgroupSize;
+    ++maxKeySize;
+
+    int n;
+    int m;
+    if (spec == QSettingsPrivate::ChildKeys) {
+        n = numKeys;
+        m = maxKeySize;
+    } else {
+        n = numSubgroups;
+        m = maxSubgroupSize;
+    }
+
+    /* Windows NT/2000/XP: The size does not include the terminating null character.
+       Windows Me/98/95: The size includes the terminating null character. */
+    ++m;
+
+    // Get the list
+    QByteArray buff(m*sizeof(ushort), 0);
+    for (int i = 0; i < n; ++i) {
+        QString item;
+        QT_WA( {
+            DWORD l = buff.size() / sizeof(ushort);
+            if (spec == QSettingsPrivate::ChildKeys) {
+                res = RegEnumValueW(parentHandle, i,
+                                    reinterpret_cast<wchar_t *>(buff.data()),
+                                    &l, 0, 0, 0, 0);
+            } else {
+                res = RegEnumKeyExW(parentHandle, i,
+                                    reinterpret_cast<wchar_t *>(buff.data()),
+                                    &l, 0, 0, 0, 0);
+            }
+            if (res == ERROR_SUCCESS)
+                item = QString::fromUtf16(reinterpret_cast<ushort*>(buff.data()), l);
+        }, {
+            DWORD l = buff.size();
+            if (spec == QSettingsPrivate::ChildKeys)
+                res = RegEnumValueA(parentHandle, i, buff.data(), &l, 0, 0, 0, 0);
+            else
+                res = RegEnumKeyExA(parentHandle, i, buff.data(), &l, 0, 0, 0, 0);
+            if (res == ERROR_SUCCESS)
+                item = QString::fromLocal8Bit(buff.data(), l);
+        } );
+
+        if (res != ERROR_SUCCESS) {
+            qWarning("QSettings: RegEnumValue failed: %s", errorCodeToString(res).toLatin1().data());
+            continue;
+        }
+        if (item.isEmpty())
+            item = QLatin1String(".");
+        result.append(item);
+    }
+    return result;
+}
+
+static void allKeys(HKEY parentHandle, const QString &rSubKey, NameSet *result)
+{
+    HKEY handle = openKey(parentHandle, KEY_READ, rSubKey);
+    if (handle == 0)
+        return;
+
+    QStringList childKeys = childKeysOrGroups(handle, QSettingsPrivate::ChildKeys);
+    QStringList childGroups = childKeysOrGroups(handle, QSettingsPrivate::ChildGroups);
+    RegCloseKey(handle);
+
+    for (int i = 0; i < childKeys.size(); ++i) {
+        QString s = rSubKey;
+        if (!s.isEmpty())
+            s += QLatin1Char('\\');
+        s += childKeys.at(i);
+        result->insert(s, QString());
+    }
+
+    for (int i = 0; i < childGroups.size(); ++i) {
+        QString s = rSubKey;
+        if (!s.isEmpty())
+            s += QLatin1Char('\\');
+        s += childGroups.at(i);
+        allKeys(parentHandle, s, result);
+    }
+}
+
+static void deleteChildGroups(HKEY parentHandle)
+{
+    QStringList childGroups = childKeysOrGroups(parentHandle, QSettingsPrivate::ChildGroups);
+
+    for (int i = 0; i < childGroups.size(); ++i) {
+        QString group = childGroups.at(i);
+
+        // delete subgroups in group
+        HKEY childGroupHandle = openKey(parentHandle, registryPermissions, group);
+        if (childGroupHandle == 0)
+            continue;
+        deleteChildGroups(childGroupHandle);
+        RegCloseKey(childGroupHandle);
+
+        // delete group itself
+        LONG res;
+        QT_WA( {
+            res = RegDeleteKeyW(parentHandle, reinterpret_cast<const wchar_t *>(group.utf16()));
+        }, {
+            res = RegDeleteKeyA(parentHandle, group.toLocal8Bit());
+        } );
+        if (res != ERROR_SUCCESS) {
+            qWarning("QSettings: RegDeleteKey failed on subkey \"%s\": %s",
+                      group.toLatin1().data(), errorCodeToString(res).toLatin1().data());
+            return;
+        }
+    }
+}
+
+/*******************************************************************************
+** class RegistryKey
+*/
+
+class RegistryKey
+{
+public:
+    RegistryKey(HKEY parent_handle = 0, const QString &key = QString(), bool read_only = true);
+    QString key() const;
+    HKEY handle() const;
+    HKEY parentHandle() const;
+    bool readOnly() const;
+    void close();
+private:
+    HKEY m_parent_handle;
+    mutable HKEY m_handle;
+    QString m_key;
+    mutable bool m_read_only;
+};
+
+RegistryKey::RegistryKey(HKEY parent_handle, const QString &key, bool read_only)
+{
+    m_parent_handle = parent_handle;
+    m_handle = 0;
+    m_read_only = read_only;
+    m_key = key;
+}
+
+QString RegistryKey::key() const
+{
+    return m_key;
+}
+
+HKEY RegistryKey::handle() const
+{
+    if (m_handle != 0)
+        return m_handle;
+
+    if (m_read_only)
+        m_handle = openKey(m_parent_handle, KEY_READ, m_key);
+    else
+        m_handle = createOrOpenKey(m_parent_handle, m_key, &m_read_only);
+
+    return m_handle;
+}
+
+HKEY RegistryKey::parentHandle() const
+{
+    return m_parent_handle;
+}
+
+bool RegistryKey::readOnly() const
+{
+    return m_read_only;
+}
+
+void RegistryKey::close()
+{
+    if (m_handle != 0)
+        RegCloseKey(m_handle);
+    m_handle = 0;
+}
+
+typedef QVector<RegistryKey> RegistryKeyList;
+
+/*******************************************************************************
+** class QWinSettingsPrivate
+*/
+
+class QWinSettingsPrivate : public QSettingsPrivate
+{
+public:
+    QWinSettingsPrivate(QSettings::Scope scope, const QString &organization,
+                        const QString &application);
+    QWinSettingsPrivate(QString rKey);
+    ~QWinSettingsPrivate();
+
+    void remove(const QString &uKey);
+    void set(const QString &uKey, const QVariant &value);
+    bool get(const QString &uKey, QVariant *value) const;
+    QStringList children(const QString &uKey, ChildSpec spec) const;
+    void clear();
+    void sync();
+    void flush();
+    bool isWritable() const;
+    HKEY writeHandle() const;
+    bool readKey(HKEY parentHandle, const QString &rSubKey, QVariant *value) const;
+    QString fileName() const;
+
+private:
+    RegistryKeyList regList; // list of registry locations to search for keys
+    bool deleteWriteHandleOnExit;
+};
+
+QWinSettingsPrivate::QWinSettingsPrivate(QSettings::Scope scope, const QString &organization,
+                                         const QString &application)
+    : QSettingsPrivate(QSettings::NativeFormat, scope, organization, application)
+{
+    deleteWriteHandleOnExit = false;
+
+    if (!organization.isEmpty()) {
+        QString prefix = QLatin1String("Software\\") + organization;
+        QString orgPrefix = prefix + QLatin1String("\\OrganizationDefaults");
+        QString appPrefix = prefix + QLatin1Char('\\') + application;
+
+        if (scope == QSettings::UserScope) {
+            if (!application.isEmpty())
+                regList.append(RegistryKey(HKEY_CURRENT_USER, appPrefix, !regList.isEmpty()));
+
+            regList.append(RegistryKey(HKEY_CURRENT_USER, orgPrefix, !regList.isEmpty()));
+        }
+
+        if (!application.isEmpty())
+            regList.append(RegistryKey(HKEY_LOCAL_MACHINE, appPrefix, !regList.isEmpty()));
+
+        regList.append(RegistryKey(HKEY_LOCAL_MACHINE, orgPrefix, !regList.isEmpty()));
+    }
+
+    if (regList.isEmpty())
+        setStatus(QSettings::AccessError);
+}
+
+QWinSettingsPrivate::QWinSettingsPrivate(QString rPath)
+    : QSettingsPrivate(QSettings::NativeFormat)
+{
+    deleteWriteHandleOnExit = false;
+
+    if (rPath.startsWith(QLatin1String("\\")))
+        rPath = rPath.mid(1);
+
+    if (rPath.startsWith(QLatin1String("HKEY_CURRENT_USER\\")))
+        regList.append(RegistryKey(HKEY_CURRENT_USER, rPath.mid(18), false));
+    else if (rPath == QLatin1String("HKEY_CURRENT_USER"))
+        regList.append(RegistryKey(HKEY_CURRENT_USER, QString(), false));
+    else if (rPath.startsWith(QLatin1String("HKEY_LOCAL_MACHINE\\")))
+        regList.append(RegistryKey(HKEY_LOCAL_MACHINE, rPath.mid(19), false));
+    else if (rPath == QLatin1String("HKEY_LOCAL_MACHINE"))
+        regList.append(RegistryKey(HKEY_LOCAL_MACHINE, QString(), false));
+    else if (rPath.startsWith(QLatin1String("HKEY_CLASSES_ROOT\\")))
+        regList.append(RegistryKey(HKEY_CLASSES_ROOT, rPath.mid(18), false));
+    else if (rPath == QLatin1String("HKEY_CLASSES_ROOT"))
+        regList.append(RegistryKey(HKEY_CLASSES_ROOT, QString(), false));
+    else if (rPath.startsWith(QLatin1String("HKEY_USERS\\")))
+        regList.append(RegistryKey(HKEY_USERS, rPath.mid(11), false));
+    else if (rPath == QLatin1String(QLatin1String("HKEY_USERS")))
+        regList.append(RegistryKey(HKEY_USERS, QString(), false));
+    else
+        regList.append(RegistryKey(HKEY_LOCAL_MACHINE, rPath, false));
+}
+
+bool QWinSettingsPrivate::readKey(HKEY parentHandle, const QString &rSubKey, QVariant *value) const
+{
+    QString rSubkeyName = keyName(rSubKey);
+    QString rSubkeyPath = keyPath(rSubKey);
+
+    // open a handle on the subkey
+    HKEY handle = openKey(parentHandle, KEY_READ, rSubkeyPath);
+    if (handle == 0)
+        return false;
+
+    // get the size and type of the value
+    DWORD dataType;
+    DWORD dataSize;
+    LONG res;
+    QT_WA( {
+        res = RegQueryValueExW(handle, reinterpret_cast<const wchar_t *>(rSubkeyName.utf16()), 0, &dataType, 0, &dataSize);
+    }, {
+        res = RegQueryValueExA(handle, rSubkeyName.toLocal8Bit(), 0, &dataType, 0, &dataSize);
+    } );
+    if (res != ERROR_SUCCESS) {
+        RegCloseKey(handle);
+        return false;
+    }
+
+    // get the value
+    QByteArray data(dataSize, 0);
+    QT_WA( {
+        res = RegQueryValueExW(handle, reinterpret_cast<const wchar_t *>(rSubkeyName.utf16()), 0, 0,
+                               reinterpret_cast<unsigned char*>(data.data()), &dataSize);
+    }, {
+        res = RegQueryValueExA(handle, rSubkeyName.toLocal8Bit(), 0, 0,
+                               reinterpret_cast<unsigned char*>(data.data()), &dataSize);
+    } );
+    if (res != ERROR_SUCCESS) {
+        RegCloseKey(handle);
+        return false;
+    }
+
+    switch (dataType) {
+        case REG_EXPAND_SZ:
+        case REG_SZ: {
+            QString s;
+            if (dataSize) {
+                QT_WA( {
+                    s = QString::fromUtf16(((const ushort*)data.constData()));
+                }, {
+                    s = QString::fromLocal8Bit(data.constData());
+                } );
+            }
+            if (value != 0)
+                *value = stringToVariant(s);
+            break;
+        }
+
+        case REG_MULTI_SZ: {
+            QStringList l;
+            if (dataSize) {
+                int i = 0;
+                for (;;) {
+                    QString s;
+                    QT_WA( {
+                        s = QString::fromUtf16((const ushort*)data.constData() + i);
+                    }, {
+                        s = QString::fromLocal8Bit(data.constData() + i);
+                    } );
+                    i += s.length() + 1;
+
+                    if (s.isEmpty())
+                        break;
+                    l.append(s);
+                }
+            }
+            if (value != 0)
+                *value = stringListToVariantList(l);
+            break;
+        }
+
+        case REG_NONE:
+        case REG_BINARY: {
+            QString s;
+            if (dataSize) {
+                QT_WA( {
+                    s = QString::fromUtf16((const ushort*)data.constData(), data.size()/2);
+                }, {
+                    s = QString::fromLocal8Bit(data.constData(), data.size());
+                } );
+            }
+            if (value != 0)
+                *value = stringToVariant(s);
+            break;
+        }
+
+        case REG_DWORD_BIG_ENDIAN:
+        case REG_DWORD: {
+            Q_ASSERT(data.size() == sizeof(int));
+            int i;
+            memcpy((char*)&i, data.constData(), sizeof(int));
+            if (value != 0)
+                *value = i;
+            break;
+        }
+
+        default:
+            qWarning("QSettings: Unknown data %d type in Windows registry", static_cast<int>(dataType));
+            if (value != 0)
+                *value = QVariant();
+            break;
+    }
+
+    RegCloseKey(handle);
+    return true;
+}
+
+HKEY QWinSettingsPrivate::writeHandle() const
+{
+    if (regList.isEmpty())
+        return 0;
+    const RegistryKey &key = regList.at(0);
+    if (key.handle() == 0 || key.readOnly())
+        return 0;
+    return key.handle();
+}
+
+QWinSettingsPrivate::~QWinSettingsPrivate()
+{
+    if (deleteWriteHandleOnExit && writeHandle() != 0) {
+#if defined(Q_OS_WINCE)
+        remove(regList.at(0).key()); 
+#else
+        DWORD res;
+        QString emptyKey;
+        QT_WA( {
+            res = RegDeleteKeyW(writeHandle(), reinterpret_cast<const wchar_t *>(emptyKey.utf16()));
+        }, {
+            res = RegDeleteKeyA(writeHandle(), emptyKey.toLocal8Bit());
+        } );
+        if (res != ERROR_SUCCESS) {
+            qWarning("QSettings: Failed to delete key \"%s\": %s",
+                    regList.at(0).key().toLatin1().data(), errorCodeToString(res).toLatin1().data());
+        }
+#endif
+    }
+
+    for (int i = 0; i < regList.size(); ++i)
+        regList[i].close();
+}
+
+void QWinSettingsPrivate::remove(const QString &uKey)
+{
+    if (writeHandle() == 0) {
+        setStatus(QSettings::AccessError);
+        return;
+    }
+
+    QString rKey = escapedKey(uKey);
+
+    // try to delete value bar in key foo
+    LONG res;
+    HKEY handle = openKey(writeHandle(), registryPermissions, keyPath(rKey));
+    if (handle != 0) {
+        QT_WA( {
+            res = RegDeleteValueW(handle, reinterpret_cast<const wchar_t *>(keyName(rKey).utf16()));
+        }, {
+            res = RegDeleteValueA(handle, keyName(rKey).toLocal8Bit());
+        } );
+        RegCloseKey(handle);
+    }
+
+    // try to delete key foo/bar and all subkeys
+    handle = openKey(writeHandle(), registryPermissions, rKey);
+    if (handle != 0) {
+        deleteChildGroups(handle);
+
+        if (rKey.isEmpty()) {
+            QStringList childKeys = childKeysOrGroups(handle, QSettingsPrivate::ChildKeys);
+
+            for (int i = 0; i < childKeys.size(); ++i) {
+                QString group = childKeys.at(i);
+
+                LONG res;
+                QT_WA( {
+                    res = RegDeleteValueW(handle, reinterpret_cast<const wchar_t *>(group.utf16()));
+                }, {
+                    res = RegDeleteValueA(handle, group.toLocal8Bit());
+                } );
+                if (res != ERROR_SUCCESS) {
+                    qWarning("QSettings: RegDeleteValue failed on subkey \"%s\": %s",
+                              group.toLatin1().data(), errorCodeToString(res).toLatin1().data());
+                }
+            }
+        } else {
+#if defined(Q_OS_WINCE)
+            // For WinCE always Close the handle first.
+            RegCloseKey(handle);
+#endif
+            QT_WA( {
+                res = RegDeleteKeyW(writeHandle(), reinterpret_cast<const wchar_t *>(rKey.utf16()));
+            }, {
+                res = RegDeleteKeyA(writeHandle(), rKey.toLocal8Bit());
+            } );
+
+            if (res != ERROR_SUCCESS) {
+                qWarning("QSettings: RegDeleteKey failed on key \"%s\": %s",
+                            rKey.toLatin1().data(), errorCodeToString(res).toLatin1().data());
+            }
+        }
+        RegCloseKey(handle);
+    }
+}
+
+static bool stringContainsNullChar(const QString &s)
+{
+    for (int i = 0; i < s.length(); ++i) {
+        if (s.at(i).unicode() == 0)
+            return true;
+    }
+    return false;
+}
+
+void QWinSettingsPrivate::set(const QString &uKey, const QVariant &value)
+{
+    if (writeHandle() == 0) {
+        setStatus(QSettings::AccessError);
+        return;
+    }
+
+    QString rKey = escapedKey(uKey);
+
+    HKEY handle = createOrOpenKey(writeHandle(), registryPermissions, keyPath(rKey));
+    if (handle == 0) {
+        setStatus(QSettings::AccessError);
+        return;
+    }
+
+    DWORD type;
+    QByteArray regValueBuff;
+
+    // Determine the type
+    switch (value.type()) {
+        case QVariant::List:
+        case QVariant::StringList: {
+            // If none of the elements contains '\0', we can use REG_MULTI_SZ, the
+            // native registry string list type. Otherwise we use REG_BINARY.
+            type = REG_MULTI_SZ;
+            QStringList l = variantListToStringList(value.toList());
+            QStringList::const_iterator it = l.constBegin();
+            for (; it != l.constEnd(); ++it) {
+                if ((*it).length() == 0 || stringContainsNullChar(*it)) {
+                    type = REG_BINARY;
+                    break;
+                }
+            }
+
+            if (type == REG_BINARY) {
+                QString s = variantToString(value);
+                QT_WA( {
+                    regValueBuff = QByteArray((const char*)s.utf16(), s.length()*2);
+                }, {
+                    regValueBuff = QByteArray((const char*)s.toLocal8Bit(), s.length());
+                } );
+            } else {
+                QStringList::const_iterator it = l.constBegin();
+                for (; it != l.constEnd(); ++it) {
+                    const QString &s = *it;
+                    QT_WA( {
+                        regValueBuff += QByteArray((const char*)s.utf16(), (s.length() + 1)*2);
+                    }, {
+                        regValueBuff += QByteArray((const char*)s.toLocal8Bit(), s.length() + 1);
+                    } );
+                }
+                QT_WA( {
+                    regValueBuff.append((char)0);
+                    regValueBuff.append((char)0);
+                }, {
+                    regValueBuff.append((char)0);
+                } );
+            }
+            break;
+        }
+
+        case QVariant::Int: {
+            type = REG_DWORD;
+            int i = value.toInt();
+            regValueBuff = QByteArray((const char*)&i, sizeof(int));
+            break;
+        }
+
+        case QVariant::ByteArray:
+            // On Win95/98/Me QString::toLocal8Bit() fails to handle chars > 0x7F. So we don't go through variantToString() at all.
+            if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based) {
+                QByteArray ba = value.toByteArray();
+                regValueBuff = "@ByteArray(";
+                regValueBuff += ba;
+                regValueBuff += ')';
+                if (ba.contains('\0')) {
+                    type = REG_BINARY;
+                } else {
+                    type = REG_SZ;
+                    regValueBuff += '\0';
+                }
+                    
+                break;
+            }
+            // fallthrough intended
+
+        default: {
+            // If the string does not contain '\0', we can use REG_SZ, the native registry
+            // string type. Otherwise we use REG_BINARY.
+            QString s = variantToString(value);
+            type = stringContainsNullChar(s) ? REG_BINARY : REG_SZ;
+            if (type == REG_BINARY) {
+                QT_WA( {
+                    regValueBuff = QByteArray((const char*)s.utf16(), s.length()*2);
+                }, {
+                    regValueBuff = QByteArray((const char*)s.toLocal8Bit(), s.length());
+                } );
+            } else {
+                QT_WA( {
+                    regValueBuff = QByteArray((const char*)s.utf16(), (s.length() + 1)*2);
+                }, {
+                    regValueBuff = QByteArray((const char*)s.toLocal8Bit(), s.length() + 1);
+                } );
+            }
+            break;
+        }
+    }
+
+    // set the value
+    LONG res;
+    QT_WA( {
+        res = RegSetValueExW(handle, reinterpret_cast<const wchar_t *>(keyName(rKey).utf16()), 0, type,
+                             reinterpret_cast<const unsigned char*>(regValueBuff.constData()),
+                             regValueBuff.size());
+    }, {
+        res = RegSetValueExA(handle, keyName(rKey).toLocal8Bit(), 0, type,
+                             reinterpret_cast<const unsigned char*>(regValueBuff.constData()),
+                             regValueBuff.size());
+    } );
+
+    if (res == ERROR_SUCCESS) {
+        deleteWriteHandleOnExit = false;
+    } else {
+        qWarning("QSettings: failed to set subkey \"%s\": %s",
+                rKey.toLatin1().data(), errorCodeToString(res).toLatin1().data());
+        setStatus(QSettings::AccessError);
+    }
+
+    RegCloseKey(handle);
+}
+
+bool QWinSettingsPrivate::get(const QString &uKey, QVariant *value) const
+{
+    QString rKey = escapedKey(uKey);
+
+    for (int i = 0; i < regList.size(); ++i) {
+        HKEY handle = regList.at(i).handle();
+        if (handle != 0 && readKey(handle, rKey, value))
+            return true;
+
+        if (!fallbacks)
+            return false;
+    }
+
+    return false;
+}
+
+QStringList QWinSettingsPrivate::children(const QString &uKey, ChildSpec spec) const
+{
+    NameSet result;
+    QString rKey = escapedKey(uKey);
+
+    for (int i = 0; i < regList.size(); ++i) {
+        HKEY parent_handle = regList.at(i).handle();
+        if (parent_handle == 0)
+            continue;
+        HKEY handle = openKey(parent_handle, KEY_READ, rKey);
+        if (handle == 0)
+            continue;
+
+        if (spec == AllKeys) {
+            NameSet keys;
+            allKeys(handle, QLatin1String(""), &keys);
+            mergeKeySets(&result, keys);
+        } else { // ChildGroups or ChildKeys
+            QStringList names = childKeysOrGroups(handle, spec);
+            mergeKeySets(&result, names);
+        }
+
+        RegCloseKey(handle);
+
+        if (!fallbacks)
+            return result.keys();
+    }
+
+    return result.keys();
+}
+
+void QWinSettingsPrivate::clear()
+{
+    remove(QString());
+    deleteWriteHandleOnExit = true;
+}
+
+void QWinSettingsPrivate::sync()
+{
+    RegFlushKey(writeHandle());
+}
+
+void QWinSettingsPrivate::flush()
+{
+    // Windows does this for us.
+}
+
+QString QWinSettingsPrivate::fileName() const
+{
+    if (regList.isEmpty())
+        return QString();
+
+    const RegistryKey &key = regList.at(0);
+    QString result;
+    if (key.parentHandle() == HKEY_CURRENT_USER)
+        result = QLatin1String("\\HKEY_CURRENT_USER\\");
+    else
+        result = QLatin1String("\\HKEY_LOCAL_MACHINE\\");
+
+    return result + regList.at(0).key();
+}
+
+bool QWinSettingsPrivate::isWritable() const
+{
+    return writeHandle() != 0;
+}
+
+QSettingsPrivate *QSettingsPrivate::create(QSettings::Format format, QSettings::Scope scope,
+                                           const QString &organization, const QString &application)
+{
+    if (format == QSettings::NativeFormat) {
+        return new QWinSettingsPrivate(scope, organization, application);
+    } else {
+        return new QConfFileSettingsPrivate(format, scope, organization, application);
+    }
+}
+
+QSettingsPrivate *QSettingsPrivate::create(const QString &fileName, QSettings::Format format)
+{
+    if (format == QSettings::NativeFormat) {
+        return new QWinSettingsPrivate(fileName);
+    } else {
+        return new QConfFileSettingsPrivate(fileName, format);
+    }
+}
+
+QT_END_NAMESPACE
+#endif // QT_NO_SETTINGS
diff --git a/src/corelib/io/qtemporaryfile.cpp b/src/corelib/io/qtemporaryfile.cpp
new file mode 100644
index 0000000000..3cfce839c2
--- /dev/null
+++ b/src/corelib/io/qtemporaryfile.cpp
@@ -0,0 +1,706 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtemporaryfile.h"
+
+#ifndef QT_NO_TEMPORARYFILE
+
+#include "qplatformdefs.h"
+#include "qabstractfileengine.h"
+#include "private/qfile_p.h"
+#include "private/qabstractfileengine_p.h"
+#include "private/qfsfileengine_p.h"
+
+#include <stdlib.h>
+#if !defined(Q_OS_WINCE)
+#  include <errno.h>
+#  include <sys/stat.h>
+#  include <sys/types.h>
+#endif
+
+#include <stdlib.h>
+#include <time.h>
+#include <ctype.h>
+
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+# include <process.h>
+# if defined(_MSC_VER) && _MSC_VER >= 1400
+#  include <share.h>
+# endif
+#endif
+
+#if defined(Q_OS_WINCE)
+#  include <types.h>
+#  include "qfunctions_wince.h"
+#endif
+
+
+QT_BEGIN_NAMESPACE
+
+/*
+ * Copyright (c) 1987, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+static int _gettemp(char *path, int *doopen, int domkdir, int slen)
+{
+	char *start, *trv, *suffp;
+	QT_STATBUF sbuf;
+	int rval;
+#if defined(Q_OS_WIN)
+    int pid;
+#else
+	pid_t pid;
+#endif
+
+	if (doopen && domkdir) {
+		errno = EINVAL;
+		return(0);
+	}
+
+	for (trv = path; *trv; ++trv)
+		;
+	trv -= slen;
+	suffp = trv;
+	--trv;
+	if (trv < path) {
+		errno = EINVAL;
+		return (0);
+	}
+#if defined(Q_OS_WIN) && defined(_MSC_VER) && _MSC_VER >= 1400
+        pid = _getpid();
+#else
+        pid = getpid();
+#endif
+	while (trv >= path && *trv == 'X' && pid != 0) {
+		*trv-- = (pid % 10) + '0';
+		pid /= 10;
+        }
+
+#ifndef S_ISDIR
+#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#endif
+
+        while (trv >= path && *trv == 'X') {
+            char c;
+
+            // CHANGE arc4random() -> random()
+            pid = (qrand() & 0xffff) % (26+26);
+		if (pid < 26)
+			c = pid + 'A';
+		else
+			c = (pid - 26) + 'a';
+		*trv-- = c;
+	}
+	start = trv + 1;
+
+	/*
+	 * check the target directory; if you have six X's and it
+	 * doesn't exist this runs for a *very* long time.
+	 */
+	if (doopen || domkdir) {
+		for (;; --trv) {
+			if (trv <= path)
+				break;
+			if (*trv == '/') {
+				*trv = '\0';
+#if defined (Q_OS_WIN) && !defined(Q_OS_WINCE)
+                                if (trv - path == 2 && path[1] == ':') {
+                                    // Special case for Windows drives
+                                    // (e.g., "C:" => "C:\").
+                                    // ### Better to use a Windows
+                                    // call for this.
+									char drive[] = "c:\\";
+                                    drive[0] = path[0];
+                                    rval = QT_STAT(drive, &sbuf);
+                                } else
+#endif
+				rval = QT_STAT(path, &sbuf);
+				*trv = '/';
+				if (rval != 0)
+					return(0);
+				if (!S_ISDIR(sbuf.st_mode)) {
+					errno = ENOTDIR;
+					return(0);
+				}
+				break;
+			}
+		}
+	}
+
+	for (;;) {
+		if (doopen) {
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) && defined(_MSC_VER) && _MSC_VER >= 1400
+                        if (_sopen_s(doopen, path, QT_OPEN_CREAT|O_EXCL|QT_OPEN_RDWR|QT_OPEN_BINARY
+#ifdef QT_LARGEFILE_SUPPORT
+                                     |QT_OPEN_LARGEFILE
+#endif
+                                     , _SH_DENYNO, _S_IREAD | _S_IWRITE)== 0)
+#else
+#if defined(Q_OS_WINCE)
+            QString targetPath;
+            if (QDir::isAbsolutePath(QString::fromLatin1(path)))
+                targetPath = QLatin1String(path);
+            else
+                targetPath = QDir::currentPath().append(QLatin1String("/")) + QLatin1String(path);
+
+            if ((*doopen =
+                QT_OPEN(targetPath.toLocal8Bit(), O_CREAT|O_EXCL|O_RDWR
+#else
+                        if ((*doopen =
+                            open(path, QT_OPEN_CREAT|O_EXCL|QT_OPEN_RDWR
+#endif
+#ifdef QT_LARGEFILE_SUPPORT
+                                 |QT_OPEN_LARGEFILE
+#endif
+#  if defined(Q_OS_WINCE)
+                                                             |_O_BINARY
+#  elif defined(Q_OS_WIN)
+                                 |O_BINARY
+#  endif
+                                 , 0600)) >= 0)
+#endif
+
+                                return(1);
+                        if (errno != EEXIST)
+                                return(0);
+                } else if (domkdir) {
+#ifdef Q_OS_WIN
+                    if (QT_MKDIR(path) == 0)
+#else
+                    if (mkdir(path, 0700) == 0)
+#endif
+                                return(1);
+                        if (errno != EEXIST)
+                                return(0);
+            }
+#ifndef Q_OS_WIN
+            else if (QT_LSTAT(path, &sbuf))
+			return(errno == ENOENT ? 1 : 0);
+#else
+            if (!QFileInfo(QLatin1String(path)).exists())
+                return 1;
+#endif
+
+                /* tricky little algorwwithm for backward compatibility */
+                for (trv = start;;) {
+                        if (!*trv)
+                                return (0);
+                        if (*trv == 'Z') {
+                                if (trv == suffp)
+                                        return (0);
+                                *trv++ = 'a';
+                        } else {
+                                if (isdigit(*trv))
+                                        *trv = 'a';
+                                else if (*trv == 'z')	/* inc from z to A */
+                                        *trv = 'A';
+                                else {
+                                        if (trv == suffp)
+                                                return (0);
+                                        ++*trv;
+                                }
+                                break;
+                        }
+                }
+        }
+        /*NOTREACHED*/
+}
+
+static int qt_mkstemps(char *path, int slen)
+{
+        int fd = 0;
+        return (_gettemp(path, &fd, 0, slen) ? fd : -1);
+}
+
+//************* QTemporaryFileEngine
+class QTemporaryFileEngine : public QFSFileEngine
+{
+    Q_DECLARE_PRIVATE(QFSFileEngine)
+public:
+    QTemporaryFileEngine(const QString &file) : QFSFileEngine(file) { }
+    ~QTemporaryFileEngine();
+
+    bool open(QIODevice::OpenMode flags);
+    bool remove();
+    bool close();
+};
+
+QTemporaryFileEngine::~QTemporaryFileEngine()
+{
+    QFSFileEngine::close();
+}
+
+bool QTemporaryFileEngine::open(QIODevice::OpenMode openMode)
+{
+    Q_D(QFSFileEngine);
+
+    QString qfilename = d->filePath;
+    if(!qfilename.contains(QLatin1String("XXXXXX")))
+        qfilename += QLatin1String(".XXXXXX");
+
+    int suffixLength = qfilename.length() - (qfilename.lastIndexOf(QLatin1String("XXXXXX"), -1, Qt::CaseSensitive) + 6);
+    d->closeFileHandle = true;
+    char *filename = qstrdup(qfilename.toLocal8Bit());
+
+#ifndef Q_WS_WIN
+    int fd = qt_mkstemps(filename, suffixLength);
+    if (fd != -1) {
+        // First open the fd as an external file descriptor to
+        // initialize the engine properly.
+        QFSFileEngine::open(openMode, fd);
+
+        // Allow the engine to close the handle even if it's "external".
+        d->closeFileHandle = true;
+
+        // Restore the file names (open() resets them).
+        d->filePath = QString::fromLocal8Bit(filename); //changed now!
+        d->nativeInitFileName();
+        delete [] filename;
+        return true;
+    }
+    delete [] filename;
+    setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError, qt_error_string(errno));
+    return false;
+#else
+    if (!_gettemp(filename, 0, 0, suffixLength)) {
+        delete [] filename;
+        return false;
+    }
+
+    d->filePath = QString::fromLocal8Bit(filename);
+    d->nativeInitFileName();
+    d->closeFileHandle = true;
+    delete [] filename;
+    return QFSFileEngine::open(openMode);
+#endif
+}
+
+bool QTemporaryFileEngine::remove()
+{
+    Q_D(QFSFileEngine);
+    // Since the QTemporaryFileEngine::close() does not really close the file,
+    // we must explicitly call QFSFileEngine::close() before we remove it.
+    QFSFileEngine::close();
+    bool removed = QFSFileEngine::remove();
+    d->filePath.clear();
+    return removed;
+}
+
+bool QTemporaryFileEngine::close()
+{
+    // Don't close the file, just seek to the front.
+    seek(0);
+    setError(QFile::UnspecifiedError, QString());
+    return true;
+}
+
+//************* QTemporaryFilePrivate
+class QTemporaryFilePrivate : public QFilePrivate
+{
+    Q_DECLARE_PUBLIC(QTemporaryFile)
+
+protected:
+    QTemporaryFilePrivate();
+    ~QTemporaryFilePrivate();
+
+    bool autoRemove;
+    QString templateName;
+    mutable QTemporaryFileEngine *fileEngine;
+};
+
+QTemporaryFilePrivate::QTemporaryFilePrivate() : autoRemove(true), fileEngine(0)
+{
+}
+
+QTemporaryFilePrivate::~QTemporaryFilePrivate()
+{
+    delete fileEngine;
+    fileEngine = 0;
+}
+
+//************* QTemporaryFile
+
+/*!
+    \class QTemporaryFile
+    \reentrant
+    \brief The QTemporaryFile class is an I/O device that operates on temporary files.
+
+    \ingroup io
+    \mainclass
+
+    QTemporaryFile is used to create unique temporary files safely.
+    The file itself is created by calling open(). The name of the
+    temporary file is guaranteed to be unique (i.e., you are
+    guaranteed to not overwrite an existing file), and the file will
+    subsequently be removed upon destruction of the QTemporaryFile
+    object. This is an important technique that avoids data
+    corruption for applications that store data in temporary files.
+    The file name is either auto-generated, or created based on a
+    template, which is passed to QTemporaryFile's constructor.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtemporaryfile.cpp 0
+
+    Reopening a QTemporaryFile after calling close() is safe. For as long as
+    the QTemporaryFile object itself is not destroyed, the unique temporary
+    file will exist and be kept open internally by QTemporaryFile.
+
+    The file name of the temporary file can be found by calling fileName().
+    Note that this is only defined while the file is open; the function returns
+    an empty string before the file is opened and after it is closed.
+
+    A temporary file will have some static part of the name and some
+    part that is calculated to be unique. The default filename \c
+    qt_temp will be placed into the temporary path as returned by
+    QDir::tempPath(). If you specify your own filename, a relative
+    file path will not be placed in the temporary directory by
+    default, but be relative to the current working directory.
+
+    Specified filenames can contain the following template \c XXXXXX
+    (six upper case "X" characters), which will be replaced by the
+    auto-generated portion of the filename. Note that the template is
+    case sensitive. If the template is not present in the filename,
+    QTemporaryFile appends the generated part to the filename given.
+
+    \sa QDir::tempPath(), QFile
+*/
+
+#ifdef QT_NO_QOBJECT
+QTemporaryFile::QTemporaryFile()
+    : QFile(*new QTemporaryFilePrivate)
+{
+    Q_D(QTemporaryFile);
+    d->templateName = QDir::tempPath() + QLatin1String("/qt_temp.XXXXXX");
+}
+
+QTemporaryFile::QTemporaryFile(const QString &templateName)
+    : QFile(*new QTemporaryFilePrivate)
+{
+    Q_D(QTemporaryFile);
+    d->templateName = templateName;
+}
+
+#else
+/*!
+    Constructs a QTemporaryFile in QDir::tempPath(), using the file template
+    "qt_temp.XXXXXX". The file is stored in the system's temporary directory.
+
+    \sa setFileTemplate(), QDir::tempPath()
+*/
+QTemporaryFile::QTemporaryFile()
+    : QFile(*new QTemporaryFilePrivate, 0)
+{
+    Q_D(QTemporaryFile);
+    d->templateName = QDir::tempPath() + QLatin1String("/qt_temp.XXXXXX");
+}
+
+/*!
+    Constructs a QTemporaryFile with a template filename of \a
+    templateName. Upon opening the temporary file this will be used to create
+    a unique filename.
+
+    If the \a templateName does not contain XXXXXX it will automatically be
+    appended and used as the dynamic portion of the filename.
+
+    If \a templateName is a relative path, the path will be relative to the
+    current working directory. You can use QDir::tempPath() to construct \a
+    templateName if you want use the system's temporary directory.
+
+    \sa open(), fileTemplate()
+*/
+QTemporaryFile::QTemporaryFile(const QString &templateName)
+    : QFile(*new QTemporaryFilePrivate, 0)
+{
+    setFileTemplate(templateName);
+}
+
+/*!
+    Constructs a QTemporaryFile (with the given \a parent) in
+    QDir::tempPath(), using the file template "qt_temp.XXXXXX".
+
+    \sa setFileTemplate()
+*/
+QTemporaryFile::QTemporaryFile(QObject *parent)
+    : QFile(*new QTemporaryFilePrivate, parent)
+{
+    Q_D(QTemporaryFile);
+    d->templateName = QDir::tempPath() + QLatin1String("/qt_temp.XXXXXX");
+}
+
+/*!
+    Constructs a QTemporaryFile with a template filename of \a
+    templateName and the specified \a parent.
+    Upon opening the temporary file this will be used to
+    create a unique filename.
+
+    If the \a templateName does not contain XXXXXX it will automatically be
+    appended and used as the dynamic portion of the filename.
+
+    If \a templateName is a relative path, the path will be relative to the
+    current working directory. You can use QDir::tempPath() to construct \a
+    templateName if you want use the system's temporary directory.
+
+    \sa open(), fileTemplate()
+*/
+QTemporaryFile::QTemporaryFile(const QString &templateName, QObject *parent)
+    : QFile(*new QTemporaryFilePrivate, parent)
+{
+    setFileTemplate(templateName);
+}
+#endif
+
+/*!
+    Destroys the temporary file object, the file is automatically
+    closed if necessary and if in auto remove mode it will
+    automatically delete the file.
+
+    \sa autoRemove()
+*/
+QTemporaryFile::~QTemporaryFile()
+{
+    Q_D(QTemporaryFile);
+    close();
+    if (!d->fileName.isEmpty() && d->autoRemove)
+        remove();
+}
+
+/*!
+  \fn bool QTemporaryFile::open()
+
+  A QTemporaryFile will always be opened in QIODevice::ReadWrite mode,
+  this allows easy access to the data in the file. This function will
+  return true upon success and will set the fileName() to the unique
+  filename used.
+
+  \sa fileName()
+*/
+
+/*!
+   Returns true if the QTemporaryFile is in auto remove
+   mode. Auto-remove mode will automatically delete the filename from
+   disk upon destruction. This makes it very easy to create your
+   QTemporaryFile object on the stack, fill it with data, read from
+   it, and finally on function return it will automatically clean up
+   after itself.
+
+   Auto-remove is on by default.
+
+   \sa setAutoRemove(), remove()
+*/
+bool QTemporaryFile::autoRemove() const
+{
+    Q_D(const QTemporaryFile);
+    return d->autoRemove;
+}
+
+/*!
+    Sets the QTemporaryFile into auto-remove mode if \a b is true.
+
+    Auto-remove is on by default.
+
+    \sa autoRemove(), remove()
+*/
+void QTemporaryFile::setAutoRemove(bool b)
+{
+    Q_D(QTemporaryFile);
+    d->autoRemove = b;
+}
+
+/*!
+   Returns the complete unique filename backing the QTemporaryFile
+   object. This string is null before the QTemporaryFile is opened,
+   afterwards it will contain the fileTemplate() plus
+   additional characters to make it unique.
+
+   \sa fileTemplate()
+*/
+
+QString QTemporaryFile::fileName() const
+{
+    if(!isOpen())
+        return QString();
+    return fileEngine()->fileName(QAbstractFileEngine::DefaultName);
+}
+
+/*!
+  Returns the set file template. The default file template will be
+  called qt_temp and be placed in QDir::tempPath().
+
+  \sa setFileTemplate()
+*/
+QString QTemporaryFile::fileTemplate() const
+{
+    Q_D(const QTemporaryFile);
+    return d->templateName;
+}
+
+/*!
+   Sets the static portion of the file name to \a name. If the file
+   template ends in XXXXXX that will automatically be replaced with
+   the unique part of the filename, otherwise a filename will be
+   determined automatically based on the static portion specified.
+
+    If \a name contains a relative file path, the path will be relative to the
+    current working directory. You can use QDir::tempPath() to construct \a
+    name if you want use the system's temporary directory.
+
+   \sa fileTemplate()
+*/
+void QTemporaryFile::setFileTemplate(const QString &name)
+{
+    Q_ASSERT(!isOpen());
+    Q_D(QTemporaryFile);
+    fileEngine()->setFileName(name);
+    d->templateName = name;
+}
+
+/*!
+  \fn QTemporaryFile *QTemporaryFile::createLocalFile(const QString &fileName)
+  \overload
+
+  Works on the given \a fileName rather than an existing QFile
+  object.
+*/
+
+
+/*!
+  If \a file is not on a local disk, a temporary file is created
+  on a local disk, \a file is copied into the temporary local file,
+  and a pointer to the temporary local file is returned. If \a file
+  is already on a local disk, a copy is not created and 0 is returned.
+*/
+QTemporaryFile *QTemporaryFile::createLocalFile(QFile &file)
+{
+    if (QAbstractFileEngine *engine = file.fileEngine()) {
+        if(engine->fileFlags(QAbstractFileEngine::FlagsMask) & QAbstractFileEngine::LocalDiskFlag)
+            return 0; //local already
+        //cache
+        bool wasOpen = file.isOpen();
+        qint64 old_off = 0;
+        if(wasOpen)
+            old_off = file.pos();
+        else
+            file.open(QIODevice::ReadOnly);
+        //dump data
+        QTemporaryFile *ret = new QTemporaryFile;
+        ret->open();
+        file.seek(0);
+        char buffer[1024];
+        while(true) {
+            qint64 len = file.read(buffer, 1024);
+            if(len < 1)
+                break;
+            ret->write(buffer, len);
+        }
+        ret->seek(0);
+        //restore
+        if(wasOpen)
+            file.seek(old_off);
+        else
+            file.close();
+        //done
+        return ret;
+    }
+    return 0;
+}
+
+/*!
+   \internal
+*/
+
+QAbstractFileEngine *QTemporaryFile::fileEngine() const
+{
+    Q_D(const QTemporaryFile);
+    if(!d->fileEngine)
+        d->fileEngine = new QTemporaryFileEngine(d->templateName);
+    return d->fileEngine;
+}
+
+/*!
+   \reimp
+
+    Creates a unique file name for the temporary file, and opens it.  You can
+    get the unique name later by calling fileName(). The file is guaranteed to
+    have been created by this function (i.e., it has never existed before).
+*/
+bool QTemporaryFile::open(OpenMode flags)
+{
+    Q_D(QTemporaryFile);
+    if (!d->fileName.isEmpty()) {
+        setOpenMode(flags);
+        return true;
+    }
+
+    if (QFile::open(flags)) {
+        d->fileName = d->fileEngine->fileName(QAbstractFileEngine::DefaultName);
+        return true;
+    }
+    return false;
+}
+
+#endif // QT_NO_TEMPORARYFILE
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qtemporaryfile.h b/src/corelib/io/qtemporaryfile.h
new file mode 100644
index 0000000000..4c3eb9a283
--- /dev/null
+++ b/src/corelib/io/qtemporaryfile.h
@@ -0,0 +1,108 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEMPORARYFILE_H
+#define QTEMPORARYFILE_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qfile.h>
+
+#ifdef open
+#error qtemporaryfile.h must be included before any header file that defines open
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_TEMPORARYFILE
+
+class QTemporaryFilePrivate;
+
+class Q_CORE_EXPORT QTemporaryFile : public QFile
+{
+#ifndef QT_NO_QOBJECT
+    Q_OBJECT
+#endif
+    Q_DECLARE_PRIVATE(QTemporaryFile)
+
+public:
+    QTemporaryFile();
+    explicit QTemporaryFile(const QString &templateName);
+#ifndef QT_NO_QOBJECT
+    explicit QTemporaryFile(QObject *parent);
+    QTemporaryFile(const QString &templateName, QObject *parent);
+#endif
+    ~QTemporaryFile();
+
+    bool autoRemove() const;
+    void setAutoRemove(bool b);
+
+    // ### Hides open(flags)
+    bool open() { return open(QIODevice::ReadWrite); }
+
+    QString fileName() const;
+    QString fileTemplate() const;
+    void setFileTemplate(const QString &name);
+
+    inline static QTemporaryFile *createLocalFile(const QString &fileName)
+        { QFile file(fileName); return createLocalFile(file); }
+    static QTemporaryFile *createLocalFile(QFile &file);
+
+    virtual QAbstractFileEngine *fileEngine() const;
+
+protected:
+    bool open(OpenMode flags);
+
+private:
+    friend class QFile;
+    Q_DISABLE_COPY(QTemporaryFile)
+};
+
+#endif // QT_NO_TEMPORARYFILE
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTEMPORARYFILE_H
diff --git a/src/corelib/io/qtextstream.cpp b/src/corelib/io/qtextstream.cpp
new file mode 100644
index 0000000000..512332ec55
--- /dev/null
+++ b/src/corelib/io/qtextstream.cpp
@@ -0,0 +1,3387 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//#define QTEXTSTREAM_DEBUG
+static const int QTEXTSTREAM_BUFFERSIZE = 16384;
+
+/*!
+    \class QTextStream
+
+    \brief The QTextStream class provides a convenient interface for
+    reading and writing text.
+
+    \ingroup io
+    \ingroup text
+    \reentrant
+
+    QTextStream can operate on a QIODevice, a QByteArray or a
+    QString. Using QTextStream's streaming operators, you can
+    conveniently read and write words, lines and numbers. For
+    generating text, QTextStream supports formatting options for field
+    padding and alignment, and formatting of numbers. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 0
+
+    It's also common to use QTextStream to read console input and write
+    console output. QTextStream is locale aware, and will automatically decode
+    standard input using the correct codec. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 1
+
+    Note that you cannot use QTextStream::atEnd(), which returns true when you
+    have reached the end of the data stream, with stdin.
+
+    Besides using QTextStream's constructors, you can also set the
+    device or string QTextStream operates on by calling setDevice() or
+    setString(). You can seek to a position by calling seek(), and
+    atEnd() will return true when there is no data left to be read. If
+    you call flush(), QTextStream will empty all data from its write
+    buffer into the device and call flush() on the device.
+
+    Internally, QTextStream uses a Unicode based buffer, and
+    QTextCodec is used by QTextStream to automatically support
+    different character sets. By default, QTextCodec::codecForLocale()
+    is used for reading and writing, but you can also set the codec by
+    calling setCodec(). Automatic Unicode detection is also
+    supported. When this feature is enabled (the default behavior),
+    QTextStream will detect the UTF-16 or the UTF-32 BOM (Byte Order Mark) and
+    switch to the appropriate UTF codec when reading. QTextStream
+    does not write a BOM by default, but you can enable this by calling
+    setGenerateByteOrderMark(true). When QTextStream operates on a QString
+    directly, the codec is disabled.
+
+    There are three general ways to use QTextStream when reading text
+    files:
+
+    \list
+
+    \o Chunk by chunk, by calling readLine() or readAll().
+
+    \o Word by word. QTextStream supports streaming into QStrings,
+    QByteArrays and char* buffers. Words are delimited by space, and
+    leading white space is automatically skipped.
+
+    \o Character by character, by streaming into QChar or char types.
+    This method is often used for convenient input handling when
+    parsing files, independent of character encoding and end-of-line
+    semantics. To skip white space, call skipWhiteSpace().
+
+    \endlist
+
+    Since the text stream uses a buffer, you should not read from
+    the stream using the implementation of a superclass. For instance,
+    if you have a QFile and read from it directly using
+    QFile::readLine() instead of using the stream, the text stream's
+    internal position will be out of sync with the file's position.
+
+    By default, when reading numbers from a stream of text,
+    QTextStream will automatically detect the number's base
+    representation. For example, if the number starts with "0x", it is
+    assumed to be in hexadecimal form. If it starts with the digits
+    1-9, it is assumed to be in decimal form, and so on. You can set
+    the integer base, thereby disabling the automatic detection, by
+    calling setIntegerBase(). Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 2
+
+    QTextStream supports many formatting options for generating text.
+    You can set the field width and pad character by calling
+    setFieldWidth() and setPadChar(). Use setFieldAlignment() to set
+    the alignment within each field. For real numbers, call
+    setRealNumberNotation() and setRealNumberPrecision() to set the
+    notation (SmartNotation, ScientificNotation, FixedNotation) and precision in
+    digits of the generated number. Some extra number formatting
+    options are also available through setNumberFlags().
+
+    \keyword QTextStream manipulators
+
+    Like \c <iostream> in the standard C++ library, QTextStream also
+    defines several global manipulator functions:
+
+    \table
+    \header \o Manipulator        \o Description
+    \row    \o \c bin             \o Same as setIntegerBase(2).
+    \row    \o \c oct             \o Same as setIntegerBase(8).
+    \row    \o \c dec             \o Same as setIntegerBase(10).
+    \row    \o \c hex             \o Same as setIntegerBase(16).
+    \row    \o \c showbase        \o Same as setNumberFlags(numberFlags() | ShowBase).
+    \row    \o \c forcesign       \o Same as setNumberFlags(numberFlags() | ForceSign).
+    \row    \o \c forcepoint      \o Same as setNumberFlags(numberFlags() | ForcePoint).
+    \row    \o \c noshowbase      \o Same as setNumberFlags(numberFlags() & ~ShowBase).
+    \row    \o \c noforcesign     \o Same as setNumberFlags(numberFlags() & ~ForceSign).
+    \row    \o \c noforcepoint    \o Same as setNumberFlags(numberFlags() & ~ForcePoint).
+    \row    \o \c uppercasebase   \o Same as setNumberFlags(numberFlags() | UppercaseBase).
+    \row    \o \c uppercasedigits \o Same as setNumberFlags(numberFlags() | UppercaseDigits).
+    \row    \o \c lowercasebase   \o Same as setNumberFlags(numberFlags() & ~UppercaseBase).
+    \row    \o \c lowercasedigits \o Same as setNumberFlags(numberFlags() & ~UppercaseDigits).
+    \row    \o \c fixed           \o Same as setRealNumberNotation(FixedNotation).
+    \row    \o \c scientific      \o Same as setRealNumberNotation(ScientificNotation).
+    \row    \o \c left            \o Same as setFieldAlignment(AlignLeft).
+    \row    \o \c right           \o Same as setFieldAlignment(AlignRight).
+    \row    \o \c center          \o Same as setFieldAlignment(AlignCenter).
+    \row    \o \c endl            \o Same as operator<<('\n') and flush().
+    \row    \o \c flush           \o Same as flush().
+    \row    \o \c reset           \o Same as reset().
+    \row    \o \c ws              \o Same as skipWhiteSpace().
+    \row    \o \c bom             \o Same as setGenerateByteOrderMark(true).
+    \endtable
+
+    In addition, Qt provides three global manipulators that take a
+    parameter: qSetFieldWidth(), qSetPadChar(), and
+    qSetRealNumberPrecision().
+
+    \sa QDataStream, QIODevice, QFile, QBuffer, QTcpSocket, {Codecs Example}
+*/
+
+/*! \enum QTextStream::RealNumberNotation
+
+    This enum specifies which notations to use for expressing \c
+    float and \c double as strings.
+
+    \value ScientificNotation Scientific notation (\c{printf()}'s \c %e flag).
+    \value FixedNotation Fixed-point notation (\c{printf()}'s \c %f flag).
+    \value SmartNotation Scientific or fixed-point notation, depending on which makes most sense (\c{printf()}'s \c %g flag).
+
+    \sa setRealNumberNotation()
+*/
+
+/*! \enum QTextStream::FieldAlignment
+
+    This enum specifies how to align text in fields when the field is
+    wider than the text that occupies it.
+
+    \value AlignLeft  Pad on the right side of fields.
+    \value AlignRight  Pad on the left side of fields.
+    \value AlignCenter  Pad on both sides of field.
+    \value AlignAccountingStyle  Same as AlignRight, except that the
+                                 sign of a number is flush left.
+
+    \sa setFieldAlignment()
+*/
+
+/*! \enum QTextStream::NumberFlag
+
+    This enum specifies various flags that can be set to affect the
+    output of integers, \c{float}s, and \c{double}s.
+
+    \value ShowBase  Show the base as a prefix if the base
+                     is 16 ("0x"), 8 ("0"), or 2 ("0b").
+    \value ForcePoint  Always put the decimal separator in numbers, even if
+                       there are no decimals.
+    \value ForceSign  Always put the sign in numbers, even for positive numbers.
+    \value UppercaseBase  Use uppercase versions of base prefixes ("0X", "0B").
+    \value UppercaseDigits  Use uppercase letters for expressing
+                            digits 10 to 35 instead of lowercase.
+
+    \sa setNumberFlags()
+*/
+
+/*! \enum QTextStream::Status
+
+    This enum describes the current status of the text stream.
+
+    \value Ok               The text stream is operating normally.
+    \value ReadPastEnd      The text stream has read past the end of the
+                            data in the underlying device.
+    \value ReadCorruptData  The text stream has read corrupt data.
+
+    \sa status()
+*/
+
+#include "qtextstream.h"
+#include "qbuffer.h"
+#include "qfile.h"
+#include "qnumeric.h"
+#ifndef QT_NO_TEXTCODEC
+#include "qtextcodec.h"
+#endif
+#ifndef Q_OS_WINCE
+#include <locale.h>
+#endif
+#include "private/qlocale_p.h"
+
+#include <stdlib.h>
+#include <new>
+
+#if defined QTEXTSTREAM_DEBUG
+#include <ctype.h>
+
+QT_BEGIN_NAMESPACE
+
+// Returns a human readable representation of the first \a len
+// characters in \a data.
+static QByteArray qt_prettyDebug(const char *data, int len, int maxSize)
+{
+    if (!data) return "(null)";
+    QByteArray out;
+    for (int i = 0; i < len; ++i) {
+        char c = data[i];
+        if (isprint(int(uchar(c)))) {
+            out += c;
+        } else switch (c) {
+        case '\n': out += "\\n"; break;
+        case '\r': out += "\\r"; break;
+        case '\t': out += "\\t"; break;
+        default:
+            QString tmp;
+            tmp.sprintf("\\x%x", (unsigned int)(unsigned char)c);
+            out += tmp.toLatin1();
+        }
+    }
+
+    if (len < maxSize)
+        out += "...";
+
+    return out;
+}
+QT_END_NAMESPACE
+
+#endif
+
+// A precondition macro
+#define Q_VOID
+#define CHECK_VALID_STREAM(x) do { \
+    if (!d->string && !d->device) { \
+        qWarning("QTextStream: No device"); \
+        return x; \
+    } } while (0)
+
+// Base implementations of operator>> for ints and reals
+#define IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(type) do { \
+    Q_D(QTextStream); \
+    CHECK_VALID_STREAM(*this); \
+    qulonglong tmp; \
+    switch (d->getNumber(&tmp)) { \
+    case QTextStreamPrivate::npsOk: \
+        i = (type)tmp; \
+        break; \
+    case QTextStreamPrivate::npsMissingDigit: \
+    case QTextStreamPrivate::npsInvalidPrefix: \
+        i = (type)0; \
+        setStatus(atEnd() ? QTextStream::ReadPastEnd : QTextStream::ReadCorruptData); \
+        break; \
+    } \
+    return *this; } while (0)
+
+#define IMPLEMENT_STREAM_RIGHT_REAL_OPERATOR(type) do { \
+    Q_D(QTextStream); \
+    CHECK_VALID_STREAM(*this); \
+    double tmp; \
+    if (d->getReal(&tmp)) { \
+        f = (type)tmp; \
+    } else { \
+        f = (type)0; \
+        setStatus(atEnd() ? QTextStream::ReadPastEnd : QTextStream::ReadCorruptData); \
+    } \
+    return *this; } while (0)
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_QOBJECT
+class QDeviceClosedNotifier : public QObject
+{
+    Q_OBJECT
+public:
+    inline QDeviceClosedNotifier()
+    { }
+
+    inline void setupDevice(QTextStream *stream, QIODevice *device)
+    {
+        disconnect();
+        if (device)
+            connect(device, SIGNAL(aboutToClose()), this, SLOT(flushStream()));
+        this->stream = stream;
+    }
+
+public slots:
+    inline void flushStream() { stream->flush(); }
+
+private:
+    QTextStream *stream;
+};
+#endif
+
+//-------------------------------------------------------------------
+class QTextStreamPrivate
+{
+    Q_DECLARE_PUBLIC(QTextStream)
+public:
+    QTextStreamPrivate(QTextStream *q_ptr);
+    ~QTextStreamPrivate();
+    void reset();
+
+    // device
+    QIODevice *device;
+#ifndef QT_NO_QOBJECT
+    QDeviceClosedNotifier deviceClosedNotifier;
+#endif
+    bool deleteDevice;
+
+    // string
+    QString *string;
+    int stringOffset;
+    QIODevice::OpenMode stringOpenMode;
+
+#ifndef QT_NO_TEXTCODEC
+    // codec
+    QTextCodec *codec;
+    QTextCodec::ConverterState readConverterState;
+    QTextCodec::ConverterState writeConverterState;
+    QTextCodec::ConverterState *readConverterSavedState;
+    bool autoDetectUnicode;
+#endif
+
+    // i/o
+    enum TokenDelimiter {
+        Space,
+        NotSpace,
+        EndOfLine,
+        EndOfFile
+    };
+
+    bool scan(const QChar **ptr, int *tokenLength,
+              int maxlen, TokenDelimiter delimiter);
+    inline const QChar *readPtr() const;
+    inline void consumeLastToken();
+    inline void consume(int nchars);
+    void saveConverterState(qint64 newPos);
+    void restoreToSavedConverterState();
+    int lastTokenSize;
+
+    // Return value type for getNumber()
+    enum NumberParsingStatus {
+        npsOk,
+        npsMissingDigit,
+        npsInvalidPrefix
+    };
+
+    inline bool write(const QString &data);
+    inline bool getChar(QChar *ch);
+    inline void ungetChar(const QChar &ch);
+    NumberParsingStatus getNumber(qulonglong *l);
+    bool getReal(double *f);
+
+    bool putNumber(qulonglong number, bool negative);
+    inline bool putString(const QString &ch, bool number = false);
+
+    // buffers
+    bool fillReadBuffer(qint64 maxBytes = -1);
+    void resetReadBuffer();
+    bool flushWriteBuffer();
+    QString writeBuffer;
+    QString readBuffer;
+    int readBufferOffset;
+    qint64 readBufferStartDevicePos;
+
+    // streaming parameters
+    int realNumberPrecision;
+    int integerBase;
+    int fieldWidth;
+    QChar padChar;
+    QTextStream::FieldAlignment fieldAlignment;
+    QTextStream::RealNumberNotation realNumberNotation;
+    QTextStream::NumberFlags numberFlags;
+
+    // status
+    QTextStream::Status status;
+
+    QLocale locale;
+
+    QTextStream *q_ptr;
+};
+
+/*! \internal
+*/
+QTextStreamPrivate::QTextStreamPrivate(QTextStream *q_ptr)
+    :
+#ifndef QT_NO_TEXTCODEC
+    readConverterSavedState(0),
+#endif
+    locale(QLocale::C)
+{
+    this->q_ptr = q_ptr;
+    reset();
+}
+
+/*! \internal
+*/
+QTextStreamPrivate::~QTextStreamPrivate()
+{
+    if (deleteDevice) {
+#ifndef QT_NO_QOBJECT
+        device->blockSignals(true);
+#endif
+        delete device;
+    }
+#ifndef QT_NO_TEXTCODEC
+    delete readConverterSavedState;
+#endif
+}
+
+#ifndef QT_NO_TEXTCODEC
+static void resetCodecConverterStateHelper(QTextCodec::ConverterState *state)
+{
+    state->~ConverterState();
+    new (state) QTextCodec::ConverterState;
+}
+
+static void copyConverterStateHelper(QTextCodec::ConverterState *dest,
+    const QTextCodec::ConverterState *src)
+{
+    // ### QTextCodec::ConverterState's copy constructors and assignments are
+    // private. This function copies the structure manually.
+    Q_ASSERT(!src->d);
+    dest->flags = src->flags;
+    dest->invalidChars = src->invalidChars;
+    dest->state_data[0] = src->state_data[0];
+    dest->state_data[1] = src->state_data[1];
+    dest->state_data[2] = src->state_data[2];
+}
+#endif
+
+/*! \internal
+*/
+void QTextStreamPrivate::reset()
+{
+    realNumberPrecision = 6;
+    integerBase = 0;
+    fieldWidth = 0;
+    padChar = QLatin1Char(' ');
+    fieldAlignment = QTextStream::AlignRight;
+    realNumberNotation = QTextStream::SmartNotation;
+    numberFlags = 0;
+
+    device = 0;
+    deleteDevice = false;
+    string = 0;
+    stringOffset = 0;
+    stringOpenMode = QIODevice::NotOpen;
+
+    readBufferOffset = 0;
+    readBufferStartDevicePos = 0;
+    lastTokenSize = 0;
+
+#ifndef QT_NO_TEXTCODEC
+    codec = QTextCodec::codecForLocale();
+    resetCodecConverterStateHelper(&readConverterState);
+    resetCodecConverterStateHelper(&writeConverterState);
+    delete readConverterSavedState;
+    readConverterSavedState = 0;
+    writeConverterState.flags |= QTextCodec::IgnoreHeader;
+    autoDetectUnicode = true;
+#endif
+}
+
+/*! \internal
+*/
+bool QTextStreamPrivate::fillReadBuffer(qint64 maxBytes)
+{
+    // no buffer next to the QString itself; this function should only
+    // be called internally, for devices.
+    Q_ASSERT(!string);
+    Q_ASSERT(device);
+
+    // handle text translation and bypass the Text flag in the device.
+    bool textModeEnabled = device->isTextModeEnabled();
+    if (textModeEnabled)
+        device->setTextModeEnabled(false);
+
+    // read raw data into a temporary buffer
+    char buf[QTEXTSTREAM_BUFFERSIZE];
+    qint64 bytesRead = 0;
+#if defined(Q_OS_WIN)
+    // On Windows, there is no non-blocking stdin - so we fall back to reading
+    // lines instead. If there is no QOBJECT, we read lines for all sequential
+    // devices; otherwise, we read lines only for stdin.
+    QFile *file = 0;
+    Q_UNUSED(file);
+    if (device->isSequential()
+#if !defined(QT_NO_QOBJECT)
+        && (file = qobject_cast<QFile *>(device)) && file->handle() == 0
+#endif
+        ) {
+        if (maxBytes != -1)
+            bytesRead = device->readLine(buf, qMin<qint64>(sizeof(buf), maxBytes));
+        else
+            bytesRead = device->readLine(buf, sizeof(buf));
+    } else
+#endif
+    {
+        if (maxBytes != -1)
+            bytesRead = device->read(buf, qMin<qint64>(sizeof(buf), maxBytes));
+        else
+            bytesRead = device->read(buf, sizeof(buf));
+    }
+
+#ifndef QT_NO_TEXTCODEC
+    // codec auto detection, explicitly defaults to locale encoding if the
+    // codec has been set to 0.
+    if (!codec || autoDetectUnicode) {
+        autoDetectUnicode = false;
+
+        if (bytesRead >= 4 && ((uchar(buf[0]) == 0xff && uchar(buf[1]) == 0xfe && uchar(buf[2]) == 0 && uchar(buf[3]) == 0)
+                               || (uchar(buf[0]) == 0 && uchar(buf[1]) == 0 && uchar(buf[2]) == 0xfe && uchar(buf[3]) == 0xff))) {
+            codec = QTextCodec::codecForName("UTF-32");
+        } else if (bytesRead >= 2 && ((uchar(buf[0]) == 0xff && uchar(buf[1]) == 0xfe)
+                                      || (uchar(buf[0]) == 0xfe && uchar(buf[1]) == 0xff))) {
+            codec = QTextCodec::codecForName("UTF-16");
+        } else if (!codec) {
+            codec = QTextCodec::codecForLocale();
+            writeConverterState.flags |= QTextCodec::IgnoreHeader;
+        }
+    }
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStreamPrivate::fillReadBuffer(), using %s codec",
+           codec->name().constData());
+#endif
+#endif
+
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStreamPrivate::fillReadBuffer(), device->read(\"%s\", %d) == %d",
+           qt_prettyDebug(buf, qMin(32,int(bytesRead)) , int(bytesRead)).constData(), sizeof(buf), int(bytesRead));
+#endif
+
+    if (bytesRead <= 0)
+        return false;
+
+    int oldReadBufferSize = readBuffer.size();
+#ifndef QT_NO_TEXTCODEC
+    // convert to unicode
+    readBuffer += codec->toUnicode(buf, bytesRead, &readConverterState);
+#else
+    readBuffer += QString::fromLatin1(QByteArray(buf, bytesRead).constData());
+#endif
+
+    // reset the Text flag.
+    if (textModeEnabled)
+        device->setTextModeEnabled(true);
+
+    // remove all '\r\n' in the string.
+    if (readBuffer.size() > oldReadBufferSize && textModeEnabled) {
+        QChar CR = QLatin1Char('\r');
+        QChar *writePtr = readBuffer.data() + oldReadBufferSize;
+        QChar *readPtr = readBuffer.data() + oldReadBufferSize;
+        QChar *endPtr = readBuffer.data() + readBuffer.size();
+
+        int n = oldReadBufferSize;
+        if (readPtr < endPtr) {
+            // Cut-off to avoid unnecessary self-copying.
+            while (*readPtr++ != CR) {
+                ++n;
+                if (++writePtr == endPtr)
+                    break;
+            }
+        }
+        while (readPtr < endPtr) {
+            QChar ch = *readPtr++;
+            if (ch != CR) {
+                *writePtr++ = ch;
+            } else {
+                if (n < readBufferOffset)
+                    --readBufferOffset;
+                --bytesRead;
+            }
+            ++n;
+        }
+        readBuffer.resize(writePtr - readBuffer.data());
+    }
+
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStreamPrivate::fillReadBuffer() read %d bytes from device. readBuffer = [%s]", int(bytesRead),
+           qt_prettyDebug(readBuffer.toLatin1(), readBuffer.size(), readBuffer.size()).data());
+#endif
+    return true;
+}
+
+/*! \internal
+*/
+void QTextStreamPrivate::resetReadBuffer()
+{
+    readBuffer.clear();
+    readBufferOffset = 0;
+    readBufferStartDevicePos = (device ? device->pos() : 0);
+}
+
+/*! \internal
+*/
+bool QTextStreamPrivate::flushWriteBuffer()
+{
+    // no buffer next to the QString itself; this function should only
+    // be called internally, for devices.
+    if (string || !device)
+        return false;
+    if (writeBuffer.isEmpty())
+        return true;
+
+#if defined (Q_OS_WIN)
+    // handle text translation and bypass the Text flag in the device.
+    bool textModeEnabled = device->isTextModeEnabled();
+    if (textModeEnabled) {
+        device->setTextModeEnabled(false);
+        writeBuffer.replace(QLatin1Char('\n'), QLatin1String("\r\n"));
+    }
+#endif
+
+#ifndef QT_NO_TEXTCODEC
+    if (!codec)
+        codec = QTextCodec::codecForLocale();
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStreamPrivate::flushWriteBuffer(), using %s codec (%s generating BOM)",
+           codec->name().constData(), writeConverterState.flags & QTextCodec::IgnoreHeader ? "not" : "");
+#endif
+
+    // convert from unicode to raw data
+    QByteArray data = codec->fromUnicode(writeBuffer.data(), writeBuffer.size(), &writeConverterState);
+#else
+    QByteArray data = writeBuffer.toLocal8Bit();
+#endif
+    writeBuffer.clear();
+
+    // write raw data to the device
+    qint64 bytesWritten = device->write(data);
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStreamPrivate::flushWriteBuffer(), device->write(\"%s\") == %d",
+           qt_prettyDebug(data.constData(), qMin(data.size(),32), data.size()).constData(), int(bytesWritten));
+#endif
+    if (bytesWritten <= 0)
+        return false;
+
+#if defined (Q_OS_WIN)
+    // replace the text flag
+    if (textModeEnabled)
+        device->setTextModeEnabled(true);
+#endif
+
+    // flush the file
+#ifndef QT_NO_QOBJECT
+    QFile *file = qobject_cast<QFile *>(device);
+    bool flushed = file && file->flush();
+#else
+    bool flushed = true;
+#endif
+
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStreamPrivate::flushWriteBuffer() wrote %d bytes",
+           int(bytesWritten));
+#endif
+    return flushed && bytesWritten == qint64(data.size());
+}
+
+/*! \internal
+
+    Scans no more than \a maxlen QChars in the current buffer for the
+    first \a delimiter. Stores a pointer to the start offset of the
+    token in \a ptr, and the length in QChars in \a length.
+*/
+bool QTextStreamPrivate::scan(const QChar **ptr, int *length, int maxlen, TokenDelimiter delimiter)
+{
+    int totalSize = 0;
+    int delimSize = 0;
+    bool consumeDelimiter = false;
+    bool foundToken = false;
+    int startOffset = device ? readBufferOffset : stringOffset;
+    QChar lastChar;
+
+    bool canStillReadFromDevice = true;
+    do {
+        int endOffset;
+        const QChar *chPtr;
+        if (device) {
+            chPtr = readBuffer.constData();
+            endOffset = readBuffer.size();
+        } else {
+            chPtr = string->constData();
+            endOffset = string->size();
+        }
+        chPtr += startOffset;
+
+        for (; !foundToken && startOffset < endOffset && (!maxlen || totalSize < maxlen); ++startOffset) {
+            const QChar ch = *chPtr++;
+            ++totalSize;
+
+            if (delimiter == Space && ch.isSpace()) {
+                foundToken = true;
+                delimSize = 1;
+            } else if (delimiter == NotSpace && !ch.isSpace()) {
+                foundToken = true;
+                delimSize = 1;
+            } else if (delimiter == EndOfLine && ch == QLatin1Char('\n')) {
+                foundToken = true;
+                delimSize = (lastChar == QLatin1Char('\r')) ? 2 : 1;
+                consumeDelimiter = true;
+            }
+
+            lastChar = ch;
+        }
+    } while (!foundToken
+             && (!maxlen || totalSize < maxlen)
+             && (device && (canStillReadFromDevice = fillReadBuffer())));
+
+    // if the token was not found, but we reached the end of input,
+    // then we accept what we got. if we are not at the end of input,
+    // we return false.
+    if (!foundToken && (!maxlen || totalSize < maxlen)
+        && (totalSize == 0
+            || (string && stringOffset + totalSize < string->size())
+            || (device && !device->atEnd() && canStillReadFromDevice))) {
+#if defined (QTEXTSTREAM_DEBUG)
+        qDebug("QTextStreamPrivate::scan() did not find the token.");
+#endif
+        return false;
+    }
+
+    // if we find a '\r' at the end of the data when reading lines,
+    // don't make it part of the line.
+    if (totalSize > 0 && !foundToken && delimiter == EndOfLine) {
+        if (((string && stringOffset + totalSize == string->size()) || (device && device->atEnd()))
+            && lastChar == QLatin1Char('\r')) {
+            consumeDelimiter = true;
+            ++delimSize;
+        }
+    }
+
+    // set the read offset and length of the token
+    if (length)
+        *length = totalSize - delimSize;
+    if (ptr)
+        *ptr = readPtr();
+
+    // update last token size. the callee will call consumeLastToken() when
+    // done.
+    lastTokenSize = totalSize;
+    if (!consumeDelimiter)
+        lastTokenSize -= delimSize;
+
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStreamPrivate::scan(%p, %p, %d, %x) token length = %d, delimiter = %d",
+           ptr, length, maxlen, (int)delimiter, totalSize - delimSize, delimSize);
+#endif
+    return true;
+}
+
+/*! \internal
+*/
+inline const QChar *QTextStreamPrivate::readPtr() const
+{
+    Q_ASSERT(readBufferOffset <= readBuffer.size());
+    if (string)
+        return string->constData() + stringOffset;
+    return readBuffer.constData() + readBufferOffset;
+}
+
+/*! \internal
+*/
+inline void QTextStreamPrivate::consumeLastToken()
+{
+    if (lastTokenSize)
+        consume(lastTokenSize);
+    lastTokenSize = 0;
+}
+
+/*! \internal
+*/
+inline void QTextStreamPrivate::consume(int size)
+{
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStreamPrivate::consume(%d)", size);
+#endif
+    if (string) {
+        stringOffset += size;
+        if (stringOffset > string->size())
+            stringOffset = string->size();
+    } else {
+        readBufferOffset += size;
+        if (readBufferOffset >= readBuffer.size()) {
+            readBufferOffset = 0;
+            readBuffer.clear();
+            saveConverterState(device->pos());
+        }
+    }
+}
+
+/*! \internal
+*/
+inline void QTextStreamPrivate::saveConverterState(qint64 newPos)
+{
+#ifndef QT_NO_TEXTCODEC
+    if (readConverterState.d) {
+        // converter cannot be copied, so don't save anything
+        // don't update readBufferStartDevicePos either
+        return;
+    }
+
+    if (!readConverterSavedState)
+        readConverterSavedState = new QTextCodec::ConverterState;
+    copyConverterStateHelper(readConverterSavedState, &readConverterState);
+#endif
+
+    readBufferStartDevicePos = newPos;
+}
+
+/*! \internal
+*/
+inline void QTextStreamPrivate::restoreToSavedConverterState()
+{
+#ifndef QT_NO_TEXTCODEC
+    if (readConverterSavedState) {
+        // we have a saved state
+        // that means the converter can be copied
+        copyConverterStateHelper(&readConverterState, readConverterSavedState);
+    } else {
+        // the only state we could save was the initial
+        // so reset to that
+        resetCodecConverterStateHelper(&readConverterState);
+    }
+#endif
+}
+
+/*! \internal
+*/
+inline bool QTextStreamPrivate::write(const QString &data)
+{
+    if (string) {
+        // ### What about seek()??
+        string->append(data);
+    } else {
+        writeBuffer += data;
+        if (writeBuffer.size() > QTEXTSTREAM_BUFFERSIZE)
+            return flushWriteBuffer();
+    }
+    return true;
+}
+
+/*! \internal
+*/
+inline bool QTextStreamPrivate::getChar(QChar *ch)
+{
+    if ((string && stringOffset == string->size())
+        || (device && readBuffer.isEmpty() && !fillReadBuffer())) {
+        if (ch)
+            *ch = 0;
+        return false;
+    }
+    if (ch)
+        *ch = *readPtr();
+    consume(1);
+    return true;
+}
+
+/*! \internal
+*/
+inline void QTextStreamPrivate::ungetChar(const QChar &ch)
+{
+    if (string) {
+        if (stringOffset == 0)
+            string->prepend(ch);
+        else
+            (*string)[--stringOffset] = ch;
+        return;
+    }
+
+    if (readBufferOffset == 0) {
+        readBuffer.prepend(ch);
+        return;
+    }
+
+    readBuffer[--readBufferOffset] = ch;
+}
+
+/*! \internal
+*/
+inline bool QTextStreamPrivate::putString(const QString &s, bool number)
+{
+    QString tmp = s;
+
+    // handle padding
+    int padSize = fieldWidth - s.size();
+    if (padSize > 0) {
+        QString pad(padSize > 0 ? padSize : 0, padChar);
+        if (fieldAlignment == QTextStream::AlignLeft) {
+            tmp.append(QString(padSize, padChar));
+        } else if (fieldAlignment == QTextStream::AlignRight
+                   || fieldAlignment == QTextStream::AlignAccountingStyle) {
+            tmp.prepend(QString(padSize, padChar));
+            if (fieldAlignment == QTextStream::AlignAccountingStyle && number) {
+                const QChar sign = s.size() > 0 ? s.at(0) : QChar();
+                if (sign == locale.negativeSign() || sign == locale.positiveSign()) {
+                    QChar *data = tmp.data();
+                    data[padSize] = tmp.at(0);
+                    data[0] = sign;
+                }
+           }
+        } else if (fieldAlignment == QTextStream::AlignCenter) {
+            tmp.prepend(QString(padSize/2, padChar));
+            tmp.append(QString(padSize - padSize/2, padChar));
+        }
+    }
+
+#if defined (QTEXTSTREAM_DEBUG)
+    QByteArray a = s.toUtf8();
+    QByteArray b = tmp.toUtf8();
+    qDebug("QTextStreamPrivate::putString(\"%s\") calls write(\"%s\")",
+           qt_prettyDebug(a.constData(), a.size(), qMax(16, a.size())).constData(),
+           qt_prettyDebug(b.constData(), b.size(), qMax(16, b.size())).constData());
+#endif
+    return write(tmp);
+}
+
+/*!
+    Constructs a QTextStream. Before you can use it for reading or
+    writing, you must assign a device or a string.
+
+    \sa setDevice(), setString()
+*/
+QTextStream::QTextStream()
+    : d_ptr(new QTextStreamPrivate(this))
+{
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStream::QTextStream()");
+#endif
+    Q_D(QTextStream);
+    d->status = Ok;
+}
+
+/*!
+    Constructs a QTextStream that operates on \a device.
+*/
+QTextStream::QTextStream(QIODevice *device)
+    : d_ptr(new QTextStreamPrivate(this))
+{
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStream::QTextStream(QIODevice *device == *%p)",
+           device);
+#endif
+    Q_D(QTextStream);
+    d->device = device;
+#ifndef QT_NO_QOBJECT
+    d->deviceClosedNotifier.setupDevice(this, d->device);
+#endif
+    d->status = Ok;
+}
+
+/*!
+    Constructs a QTextStream that operates on \a string, using \a
+    openMode to define the open mode.
+*/
+QTextStream::QTextStream(QString *string, QIODevice::OpenMode openMode)
+    : d_ptr(new QTextStreamPrivate(this))
+{
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStream::QTextStream(QString *string == *%p, openMode = %d)",
+           string, int(openMode));
+#endif
+    Q_D(QTextStream);
+    d->string = string;
+    d->stringOpenMode = openMode;
+    d->status = Ok;
+}
+
+/*!
+    Constructs a QTextStream that operates on \a array, using \a
+    openMode to define the open mode. Internally, the array is wrapped
+    by a QBuffer.
+*/
+QTextStream::QTextStream(QByteArray *array, QIODevice::OpenMode openMode)
+    : d_ptr(new QTextStreamPrivate(this))
+{
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStream::QTextStream(QByteArray *array == *%p, openMode = %d)",
+           array, int(openMode));
+#endif
+    Q_D(QTextStream);
+    d->device = new QBuffer(array);
+    d->device->open(openMode);
+    d->deleteDevice = true;
+#ifndef QT_NO_QOBJECT
+    d->deviceClosedNotifier.setupDevice(this, d->device);
+#endif
+    d->status = Ok;
+}
+
+/*!
+    Constructs a QTextStream that operates on \a array, using \a
+    openMode to define the open mode. The array is accessed as
+    read-only, regardless of the values in \a openMode.
+
+    This constructor is convenient for working on constant
+    strings. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 3
+*/
+QTextStream::QTextStream(const QByteArray &array, QIODevice::OpenMode openMode)
+    : d_ptr(new QTextStreamPrivate(this))
+{
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStream::QTextStream(const QByteArray &array == *(%p), openMode = %d)",
+           &array, int(openMode));
+#endif
+    QBuffer *buffer = new QBuffer;
+    buffer->setData(array);
+    buffer->open(openMode);
+
+    Q_D(QTextStream);
+    d->device = buffer;
+    d->deleteDevice = true;
+#ifndef QT_NO_QOBJECT
+    d->deviceClosedNotifier.setupDevice(this, d->device);
+#endif
+    d->status = Ok;
+}
+
+/*!
+    Constructs a QTextStream that operates on \a fileHandle, using \a
+    openMode to define the open mode. Internally, a QFile is created
+    to handle the FILE pointer.
+
+    This constructor is useful for working directly with the common
+    FILE based input and output streams: stdin, stdout and stderr. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 4
+*/
+
+QTextStream::QTextStream(FILE *fileHandle, QIODevice::OpenMode openMode)
+    : d_ptr(new QTextStreamPrivate(this))
+{
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStream::QTextStream(FILE *fileHandle = %p, openMode = %d)",
+           fileHandle, int(openMode));
+#endif
+    QFile *file = new QFile;
+    file->open(fileHandle, openMode);
+
+    Q_D(QTextStream);
+    d->device = file;
+    d->deleteDevice = true;
+#ifndef QT_NO_QOBJECT
+    d->deviceClosedNotifier.setupDevice(this, d->device);
+#endif
+    d->status = Ok;
+}
+
+/*!
+    Destroys the QTextStream.
+
+    If the stream operates on a device, flush() will be called
+    implicitly. Otherwise, the device is unaffected.
+*/
+QTextStream::~QTextStream()
+{
+    Q_D(QTextStream);
+#if defined (QTEXTSTREAM_DEBUG)
+    qDebug("QTextStream::~QTextStream()");
+#endif
+    if (!d->writeBuffer.isEmpty())
+        d->flushWriteBuffer();
+
+    delete d;
+    d_ptr = 0;
+}
+
+/*!
+    Resets QTextStream's formatting options, bringing it back to its
+    original constructed state. The device, string and any buffered
+    data is left untouched.
+*/
+void QTextStream::reset()
+{
+    Q_D(QTextStream);
+
+    d->realNumberPrecision = 6;
+    d->integerBase = 0;
+    d->fieldWidth = 0;
+    d->padChar = QLatin1Char(' ');
+    d->fieldAlignment = QTextStream::AlignRight;
+    d->realNumberNotation = QTextStream::SmartNotation;
+    d->numberFlags = 0;
+}
+
+/*!
+    Flushes any buffered data waiting to be written to the device.
+
+    If QTextStream operates on a string, this function does nothing.
+*/
+void QTextStream::flush()
+{
+    Q_D(QTextStream);
+    d->flushWriteBuffer();
+}
+
+/*!
+    Seeks to the position \a pos in the device. Returns true on
+    success; otherwise returns false.
+*/
+bool QTextStream::seek(qint64 pos)
+{
+    Q_D(QTextStream);
+    d->lastTokenSize = 0;
+
+    if (d->device) {
+        // Empty the write buffer
+        d->flushWriteBuffer();
+        if (!d->device->seek(pos))
+            return false;
+        d->resetReadBuffer();
+
+#ifndef QT_NO_TEXTCODEC
+        // Reset the codec converter states.
+        resetCodecConverterStateHelper(&d->readConverterState);
+        resetCodecConverterStateHelper(&d->writeConverterState);
+        delete d->readConverterSavedState;
+        d->readConverterSavedState = 0;
+#endif
+        return true;
+    }
+
+    // string
+    if (d->string && pos <= d->string->size()) {
+        d->stringOffset = int(pos);
+        return true;
+    }
+    return false;
+}
+
+/*!
+    \since 4.2
+
+    Returns the device position corresponding to the current position of the
+    stream, or -1 if an error occurs (e.g., if there is no device or string,
+    or if there's a device error).
+
+    Because QTextStream is buffered, this function may have to
+    seek the device to reconstruct a valid device position. This
+    operation can be expensive, so you may want to avoid calling this
+    function in a tight loop.
+
+    \sa seek()
+*/
+qint64 QTextStream::pos() const
+{
+    Q_D(const QTextStream);
+    if (d->device) {
+        // Cutoff
+        if (d->readBuffer.isEmpty())
+            return d->device->pos();
+        if (d->device->isSequential())
+            return 0;
+
+        // Seek the device
+        if (!d->device->seek(d->readBufferStartDevicePos))
+            return qint64(-1);
+
+        // Reset the read buffer
+        QTextStreamPrivate *thatd = const_cast<QTextStreamPrivate *>(d);
+        thatd->readBuffer.clear();
+
+#ifndef QT_NO_TEXTCODEC
+        thatd->restoreToSavedConverterState();
+        if (d->readBufferStartDevicePos == 0)
+            thatd->autoDetectUnicode = true;
+#endif
+
+        // Rewind the device to get to the current position Ensure that
+        // readBufferOffset is unaffected by fillReadBuffer()
+        int oldReadBufferOffset = d->readBufferOffset;
+        while (d->readBuffer.size() < oldReadBufferOffset) {
+            if (!thatd->fillReadBuffer(1))
+                return qint64(-1);
+        }
+        thatd->readBufferOffset = oldReadBufferOffset;
+
+        // Return the device position.
+        return d->device->pos();
+    }
+
+    if (d->string)
+        return d->stringOffset;
+
+    qWarning("QTextStream::pos: no device");
+    return qint64(-1);
+}
+
+/*!
+    Reads and discards whitespace from the stream until either a
+    non-space character is detected, or until atEnd() returns
+    true. This function is useful when reading a stream character by
+    character.
+
+    Whitespace characters are all characters for which
+    QChar::isSpace() returns true.
+
+    \sa operator>>()
+*/
+void QTextStream::skipWhiteSpace()
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(Q_VOID);
+    d->scan(0, 0, 0, QTextStreamPrivate::NotSpace);
+    d->consumeLastToken();
+}
+
+/*!
+    Sets the current device to \a device. If a device has already been
+    assigned, QTextStream will call flush() before the old device is
+    replaced.
+
+    \note This function resets locale to the default locale ('C')
+    and codec to the default codec, QTextCodec::codecForLocale().
+
+    \sa device(), setString()
+*/
+void QTextStream::setDevice(QIODevice *device)
+{
+    Q_D(QTextStream);
+    flush();
+    if (d->deleteDevice) {
+#ifndef QT_NO_QOBJECT
+        d->deviceClosedNotifier.disconnect();
+#endif
+        delete d->device;
+        d->deleteDevice = false;
+    }
+
+    d->reset();
+    d->status = Ok;
+    d->device = device;
+    d->resetReadBuffer();
+#ifndef QT_NO_QOBJECT
+    d->deviceClosedNotifier.setupDevice(this, d->device);
+#endif
+}
+
+/*!
+    Returns the current device associated with the QTextStream,
+    or 0 if no device has been assigned.
+
+    \sa setDevice(), string()
+*/
+QIODevice *QTextStream::device() const
+{
+    Q_D(const QTextStream);
+    return d->device;
+}
+
+/*!
+    Sets the current string to \a string, using the given \a
+    openMode. If a device has already been assigned, QTextStream will
+    call flush() before replacing it.
+
+    \sa string(), setDevice()
+*/
+void QTextStream::setString(QString *string, QIODevice::OpenMode openMode)
+{
+    Q_D(QTextStream);
+    flush();
+    if (d->deleteDevice) {
+#ifndef QT_NO_QOBJECT
+        d->deviceClosedNotifier.disconnect();
+        d->device->blockSignals(true);
+#endif
+        delete d->device;
+        d->deleteDevice = false;
+    }
+
+    d->reset();
+    d->status = Ok;
+    d->string = string;
+    d->stringOpenMode = openMode;
+}
+
+/*!
+    Returns the current string assigned to the QTextStream, or 0 if no
+    string has been assigned.
+
+    \sa setString(), device()
+*/
+QString *QTextStream::string() const
+{
+    Q_D(const QTextStream);
+    return d->string;
+}
+
+/*!
+    Sets the field alignment to \a mode. When used together with
+    setFieldWidth(), this function allows you to generate formatted
+    output with text aligned to the left, to the right or center
+    aligned.
+
+    \sa fieldAlignment(), setFieldWidth()
+*/
+void QTextStream::setFieldAlignment(FieldAlignment mode)
+{
+    Q_D(QTextStream);
+    d->fieldAlignment = mode;
+}
+
+/*!
+    Returns the current field alignment.
+
+    \sa setFieldAlignment(), fieldWidth()
+*/
+QTextStream::FieldAlignment QTextStream::fieldAlignment() const
+{
+    Q_D(const QTextStream);
+    return d->fieldAlignment;
+}
+
+/*!
+    Sets the pad character to \a ch. The default value is the ASCII
+    space character (' '), or QChar(0x20). This character is used to
+    fill in the space in fields when generating text.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 5
+
+    The string \a s contains:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 6
+
+    \sa padChar(), setFieldWidth()
+*/
+void QTextStream::setPadChar(QChar ch)
+{
+    Q_D(QTextStream);
+    d->padChar = ch;
+}
+
+/*!
+    Returns the current pad character.
+
+    \sa setPadChar(), setFieldWidth()
+*/
+QChar QTextStream::padChar() const
+{
+    Q_D(const QTextStream);
+    return d->padChar;
+}
+
+/*!
+    Sets the current field width to \a width. If \a width is 0 (the
+    default), the field width is equal to the length of the generated
+    text.
+
+    \note The field width applies to every element appended to this
+    stream after this function has been called (e.g., it also pads
+    endl). This behavior is different from similar classes in the STL,
+    where the field width only applies to the next element.
+
+    \sa fieldWidth(), setPadChar()
+*/
+void QTextStream::setFieldWidth(int width)
+{
+    Q_D(QTextStream);
+    d->fieldWidth = width;
+}
+
+/*!
+    Returns the current field width.
+
+    \sa setFieldWidth()
+*/
+int QTextStream::fieldWidth() const
+{
+    Q_D(const QTextStream);
+    return d->fieldWidth;
+}
+
+/*!
+    Sets the current number flags to \a flags. \a flags is a set of
+    flags from the NumberFlag enum, and describes options for
+    formatting generated code (e.g., whether or not to always write
+    the base or sign of a number).
+
+    \sa numberFlags(), setIntegerBase(), setRealNumberNotation()
+*/
+void QTextStream::setNumberFlags(NumberFlags flags)
+{
+    Q_D(QTextStream);
+    d->numberFlags = flags;
+}
+
+/*!
+    Returns the current number flags.
+
+    \sa setNumberFlags(), integerBase(), realNumberNotation()
+*/
+QTextStream::NumberFlags QTextStream::numberFlags() const
+{
+    Q_D(const QTextStream);
+    return d->numberFlags;
+}
+
+/*!
+    Sets the base of integers to \a base, both for reading and for
+    generating numbers. \a base can be either 2 (binary), 8 (octal),
+    10 (decimal) or 16 (hexadecimal). If \a base is 0, QTextStream
+    will attempt to detect the base by inspecting the data on the
+    stream. When generating numbers, QTextStream assumes base is 10
+    unless the base has been set explicitly.
+
+    \sa integerBase(), QString::number(), setNumberFlags()
+*/
+void QTextStream::setIntegerBase(int base)
+{
+    Q_D(QTextStream);
+    d->integerBase = base;
+}
+
+/*!
+    Returns the current base of integers. 0 means that the base is
+    detected when reading, or 10 (decimal) when generating numbers.
+
+    \sa setIntegerBase(), QString::number(), numberFlags()
+*/
+int QTextStream::integerBase() const
+{
+    Q_D(const QTextStream);
+    return d->integerBase;
+}
+
+/*!
+    Sets the real number notation to \a notation (SmartNotation,
+    FixedNotation, ScientificNotation). When reading and generating
+    numbers, QTextStream uses this value to detect the formatting of
+    real numbers.
+
+    \sa realNumberNotation(), setRealNumberPrecision(), setNumberFlags(), setIntegerBase()
+*/
+void QTextStream::setRealNumberNotation(RealNumberNotation notation)
+{
+    Q_D(QTextStream);
+    d->realNumberNotation = notation;
+}
+
+/*!
+    Returns the current real number notation.
+
+    \sa setRealNumberNotation(), realNumberPrecision(), numberFlags(), integerBase()
+*/
+QTextStream::RealNumberNotation QTextStream::realNumberNotation() const
+{
+    Q_D(const QTextStream);
+    return d->realNumberNotation;
+}
+
+/*!
+    Sets the precision of real numbers to \a precision. This value
+    describes the number of fraction digits QTextStream should
+    write when generating real numbers.
+
+    The precision cannot be a negative value. The default value is 6.
+
+    \sa realNumberPrecision(), setRealNumberNotation()
+*/
+void QTextStream::setRealNumberPrecision(int precision)
+{
+    Q_D(QTextStream);
+    if (precision < 0) {
+        qWarning("QTextStream::setRealNumberPrecision: Invalid precision (%d)", precision);
+        d->realNumberPrecision = 6;
+        return;
+    }
+    d->realNumberPrecision = precision;
+}
+
+/*!
+    Returns the current real number precision, or the number of fraction
+    digits QTextStream will write when generating real numbers.
+
+    \sa setRealNumberNotation(), realNumberNotation(), numberFlags(), integerBase()
+*/
+int QTextStream::realNumberPrecision() const
+{
+    Q_D(const QTextStream);
+    return d->realNumberPrecision;
+}
+
+/*!
+    Returns the status of the text stream.
+
+    \sa QTextStream::Status, setStatus(), resetStatus()
+*/
+
+QTextStream::Status QTextStream::status() const
+{
+    Q_D(const QTextStream);
+    return d->status;
+}
+
+/*!
+    \since 4.1
+
+    Resets the status of the text stream.
+
+    \sa QTextStream::Status, status(), setStatus()
+*/
+void QTextStream::resetStatus()
+{
+    Q_D(QTextStream);
+    d->status = Ok;
+}
+
+/*!
+    \since 4.1
+
+    Sets the status of the text stream to the \a status given.
+
+    \sa Status status() resetStatus()
+*/
+void QTextStream::setStatus(Status status)
+{
+    Q_D(QTextStream);
+    if (d->status == Ok)
+        d->status = status;
+}
+
+/*!
+    Returns true if there is no more data to be read from the
+    QTextStream; otherwise returns false. This is similar to, but not
+    the same as calling QIODevice::atEnd(), as QTextStream also takes
+    into account its internal Unicode buffer.
+*/
+bool QTextStream::atEnd() const
+{
+    Q_D(const QTextStream);
+    CHECK_VALID_STREAM(true);
+
+    if (d->string)
+        return d->string->size() == d->stringOffset;
+    return d->readBuffer.isEmpty() && d->device->atEnd();
+}
+
+/*!
+    Reads the entire content of the stream, and returns it as a
+    QString. Avoid this function when working on large files, as it
+    will consume a significant amount of memory.
+
+    Calling readLine() is better if you do not know how much data is
+    available.
+
+    \sa readLine()
+*/
+QString QTextStream::readAll()
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(QString());
+
+    const QChar *readPtr;
+    int length;
+    if (!d->scan(&readPtr, &length, /* maxlen = */ 0, QTextStreamPrivate::EndOfFile))
+        return QString();
+
+    QString tmp = QString(readPtr, length);
+    d->consumeLastToken();
+    return tmp;
+}
+
+/*!
+    Reads one line of text from the stream, and returns it as a
+    QString. The maximum allowed line length is set to \a maxlen. If
+    the stream contains lines longer than this, then the lines will be
+    split after \a maxlen characters and returned in parts.
+
+    If \a maxlen is 0, the lines can be of any length. A common value
+    for \a maxlen is 75.
+
+    The returned line has no trailing end-of-line characters ("\\n"
+    or "\\r\\n"), so calling QString::trimmed() is unnecessary.
+
+    If the stream has read to the end of the file, readLine() will return a
+    null QString. For strings, or for devices that support it, you can
+    explicitly test for the end of the stream using atEnd().
+
+    \sa readAll(), QIODevice::readLine()
+*/
+QString QTextStream::readLine(qint64 maxlen)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(QString());
+
+    const QChar *readPtr;
+    int length;
+    if (!d->scan(&readPtr, &length, int(maxlen), QTextStreamPrivate::EndOfLine))
+        return QString();
+
+    QString tmp = QString(readPtr, length);
+    d->consumeLastToken();
+    return tmp;
+}
+
+/*!
+    \since 4.1
+
+    Reads at most \a maxlen characters from the stream, and returns the data
+    read as a QString.
+
+    \sa readAll(), readLine(), QIODevice::read()
+*/
+QString QTextStream::read(qint64 maxlen)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(QString());
+
+    if (maxlen <= 0)
+        return QString::fromLatin1("");     // empty, not null
+
+    const QChar *readPtr;
+    int length;
+    if (!d->scan(&readPtr, &length, int(maxlen), QTextStreamPrivate::EndOfFile))
+        return QString();
+
+    QString tmp = QString(readPtr, length);
+    d->consumeLastToken();
+    return tmp;
+}
+
+/*! \internal
+*/
+QTextStreamPrivate::NumberParsingStatus QTextStreamPrivate::getNumber(qulonglong *ret)
+{
+    scan(0, 0, 0, NotSpace);
+    consumeLastToken();
+
+    // detect int encoding
+    int base = integerBase;
+    if (base == 0) {
+        QChar ch;
+        if (!getChar(&ch))
+            return npsInvalidPrefix;
+        if (ch == QLatin1Char('0')) {
+            QChar ch2;
+            if (!getChar(&ch2)) {
+                // Result is the number 0
+                *ret = 0;
+                return npsOk;
+            }
+            ch2 = ch2.toLower();
+
+            if (ch2 == QLatin1Char('x')) {
+                base = 16;
+            } else if (ch2 == QLatin1Char('b')) {
+                base = 2;
+            } else if (ch2.isDigit() && ch2.digitValue() >= 0 && ch2.digitValue() <= 7) {
+                base = 8;
+            } else {
+                base = 10;
+            }
+            ungetChar(ch2);
+        } else if (ch == locale.negativeSign() || ch == locale.positiveSign() || ch.isDigit()) {
+            base = 10;
+        } else {
+            ungetChar(ch);
+            return npsInvalidPrefix;
+        }
+        ungetChar(ch);
+        // State of the stream is now the same as on entry
+        // (cursor is at prefix),
+        // and local variable 'base' has been set appropriately.
+    }
+
+    qulonglong val=0;
+    switch (base) {
+    case 2: {
+        QChar pf1, pf2, dig;
+        // Parse prefix '0b'
+        if (!getChar(&pf1) || pf1 != QLatin1Char('0'))
+            return npsInvalidPrefix;
+        if (!getChar(&pf2) || pf2.toLower() != QLatin1Char('b'))
+            return npsInvalidPrefix;
+        // Parse digits
+        int ndigits = 0;
+        while (getChar(&dig)) {
+            int n = dig.toLower().unicode();
+            if (n == '0' || n == '1') {
+                val <<= 1;
+                val += n - '0';
+            } else {
+                ungetChar(dig);
+                break;
+            }
+            ndigits++;
+        }
+        if (ndigits == 0) {
+            // Unwind the prefix and abort
+            ungetChar(pf2);
+            ungetChar(pf1);
+            return npsMissingDigit;
+        }
+        break;
+    }
+    case 8: {
+        QChar pf, dig;
+        // Parse prefix '0'
+        if (!getChar(&pf) || pf != QLatin1Char('0'))
+            return npsInvalidPrefix;
+        // Parse digits
+        int ndigits = 0;
+        while (getChar(&dig)) {
+            int n = dig.toLower().unicode();
+            if (n >= '0' && n <= '7') {
+                val *= 8;
+                val += n - '0';
+            } else {
+                ungetChar(dig);
+                break;
+            }
+            ndigits++;
+        }
+        if (ndigits == 0) {
+            // Unwind the prefix and abort
+            ungetChar(pf);
+            return npsMissingDigit;
+        }
+        break;
+    }
+    case 10: {
+        // Parse sign (or first digit)
+        QChar sign;
+        int ndigits = 0;
+        if (!getChar(&sign))
+            return npsMissingDigit;
+        if (sign != locale.negativeSign() && sign != locale.positiveSign()) {
+            if (!sign.isDigit()) {
+                ungetChar(sign);
+                return npsMissingDigit;
+            }
+            val += sign.digitValue();
+            ndigits++;
+        }
+        // Parse digits
+        QChar ch;
+        while (getChar(&ch)) {
+            if (ch.isDigit()) {
+                val *= 10;
+                val += ch.digitValue();
+            } else if (locale.language() != QLocale::C
+                       && ch == locale.groupSeparator()) {
+                continue;
+            } else {
+                ungetChar(ch);
+                break;
+            }
+            ndigits++;
+        }
+        if (ndigits == 0)
+            return npsMissingDigit;
+        if (sign == locale.negativeSign()) {
+            qlonglong ival = qlonglong(val);
+            if (ival > 0)
+                ival = -ival;
+            val = qulonglong(ival);
+        }
+        break;
+    }
+    case 16: {
+        QChar pf1, pf2, dig;
+        // Parse prefix ' 0x'
+        if (!getChar(&pf1) || pf1 != QLatin1Char('0'))
+            return npsInvalidPrefix;
+        if (!getChar(&pf2) || pf2.toLower() != QLatin1Char('x'))
+            return npsInvalidPrefix;
+        // Parse digits
+        int ndigits = 0;
+        while (getChar(&dig)) {
+            int n = dig.toLower().unicode();
+            if (n >= '0' && n <= '9') {
+                val <<= 4;
+                val += n - '0';
+            } else if (n >= 'a' && n <= 'f') {
+                val <<= 4;
+                val += 10 + (n - 'a');
+            } else {
+                ungetChar(dig);
+                break;
+            }
+            ndigits++;
+        }
+        if (ndigits == 0) {
+            return npsMissingDigit;
+        }
+        break;
+    }
+    default:
+        // Unsupported integerBase
+        return npsInvalidPrefix;
+    }
+
+    if (ret)
+        *ret = val;
+    return npsOk;
+}
+
+/*! \internal
+    (hihi)
+*/
+bool QTextStreamPrivate::getReal(double *f)
+{
+    // We use a table-driven FSM to parse floating point numbers
+    // strtod() cannot be used directly since we may be reading from a
+    // QIODevice.
+    enum ParserState {
+        Init = 0,
+        Sign = 1,
+        Mantissa = 2,
+        Dot = 3,
+        Abscissa = 4,
+        ExpMark = 5,
+        ExpSign = 6,
+        Exponent = 7,
+        Nan1 = 8,
+        Nan2 = 9,
+        Inf1 = 10,
+        Inf2 = 11,
+        NanInf = 12,
+        Done = 13
+    };
+    enum InputToken {
+        None = 0,
+        InputSign = 1,
+        InputDigit = 2,
+        InputDot = 3,
+        InputExp = 4,
+        InputI = 5,
+        InputN = 6,
+        InputF = 7,
+        InputA = 8,
+        InputT = 9
+    };
+
+    static const uchar table[13][10] = {
+        // None InputSign InputDigit InputDot InputExp InputI    InputN    InputF    InputA    InputT
+        { 0,    Sign,     Mantissa,  Dot,     0,       Inf1,     Nan1,     0,        0,        0      }, // 0  Init
+        { 0,    0,        Mantissa,  Dot,     0,       Inf1,     Nan1,     0,        0,        0      }, // 1  Sign
+        { Done, Done,     Mantissa,  Dot,     ExpMark, 0,        0,        0,        0,        0      }, // 2  Mantissa
+        { 0,    0,        Abscissa,  0,       0,       0,        0,        0,        0,        0      }, // 3  Dot
+        { Done, Done,     Abscissa,  Done,    ExpMark, 0,        0,        0,        0,        0      }, // 4  Abscissa
+        { 0,    ExpSign,  Exponent,  0,       0,       0,        0,        0,        0,        0      }, // 5  ExpMark
+        { 0,    0,        Exponent,  0,       0,       0,        0,        0,        0,        0      }, // 6  ExpSign
+        { Done, Done,     Exponent,  Done,    Done,    0,        0,        0,        0,        0      }, // 7  Exponent
+        { 0,    0,        0,         0,       0,       0,        0,        0,        Nan2,     0      }, // 8  Nan1
+        { 0,    0,        0,         0,       0,       0,        NanInf,   0,        0,        0      }, // 9  Nan2
+        { 0,    0,        0,         0,       0,       0,        Inf2,     0,        0,        0      }, // 10 Inf1
+        { 0,    0,        0,         0,       0,       0,        0,        NanInf,   0,        0      }, // 11 Inf2
+        { Done, 0,        0,         0,       0,       0,        0,        0,        0,        0      }, // 11 NanInf
+    };
+
+    ParserState state = Init;
+    InputToken input = None;
+
+    scan(0, 0, 0, NotSpace);
+    consumeLastToken();
+
+    const int BufferSize = 128;
+    char buf[BufferSize];
+    int i = 0;
+
+    QChar c;
+    while (getChar(&c)) {
+        switch (c.unicode()) {
+        case '0': case '1': case '2': case '3': case '4':
+        case '5': case '6': case '7': case '8': case '9':
+            input = InputDigit;
+            break;
+        case 'i': case 'I':
+            input = InputI;
+            break;
+        case 'n': case 'N':
+            input = InputN;
+            break;
+        case 'f': case 'F':
+            input = InputF;
+            break;
+        case 'a': case 'A':
+            input = InputA;
+            break;
+        case 't': case 'T':
+            input = InputT;
+            break;
+        default: {
+            QChar lc = c.toLower();
+            if (lc == locale.decimalPoint().toLower())
+                input = InputDot;
+            else if (lc == locale.exponential().toLower())
+                input = InputExp;
+            else if (lc == locale.negativeSign().toLower()
+                     || lc == locale.positiveSign().toLower())
+                input = InputSign;
+            else if (locale.language() != QLocale::C // backward-compatibility
+                     && lc == locale.groupSeparator().toLower())
+                input = InputDigit; // well, it isn't a digit, but no one cares.
+            else
+                input = None;
+        }
+            break;
+        }
+
+        state = ParserState(table[state][input]);
+
+        if  (state == Init || state == Done || i > (BufferSize - 5)) {
+            ungetChar(c);
+            if (i > (BufferSize - 5)) { // ignore rest of digits
+                while (getChar(&c)) {
+                    if (!c.isDigit()) {
+                        ungetChar(c);
+                        break;
+                    }
+                }
+            }
+            break;
+        }
+
+        buf[i++] = c.toLatin1();
+    }
+
+    if (i == 0)
+        return false;
+    if (!f)
+        return true;
+    buf[i] = '\0';
+
+    // backward-compatibility. Old implmentation supported +nan/-nan
+    // for some reason. QLocale only checks for lower-case
+    // nan/+inf/-inf, so here we also check for uppercase and mixed
+    // case versions.
+    if (!qstricmp(buf, "nan") || !qstricmp(buf, "+nan") || !qstricmp(buf, "-nan")) {
+        *f = qSNaN();
+        return true;
+    } else if (!qstricmp(buf, "+inf") || !qstricmp(buf, "inf")) {
+        *f = qInf();
+        return true;
+    } else if (!qstricmp(buf, "-inf")) {
+        *f = -qInf();
+        return true;
+    }
+    bool ok;
+    *f = locale.toDouble(QString::fromLatin1(buf), &ok);
+    return ok;
+}
+
+/*!
+    Reads a character from the stream and stores it in \a c. Returns a
+    reference to the QTextStream, so several operators can be
+    nested. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 7
+
+    Whitespace is \e not skipped.
+*/
+
+QTextStream &QTextStream::operator>>(QChar &c)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->scan(0, 0, 0, QTextStreamPrivate::NotSpace);
+    if (!d->getChar(&c))
+        setStatus(ReadPastEnd);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Reads a character from the stream and stores it in \a c. The
+    character from the stream is converted to ISO-5589-1 before it is
+    stored.
+
+    \sa QChar::toLatin1()
+*/
+QTextStream &QTextStream::operator>>(char &c)
+{
+    QChar ch;
+    *this >> ch;
+    c = ch.toLatin1();
+    return *this;
+}
+
+/*!
+    Reads an integer from the stream and stores it in \a i, then
+    returns a reference to the QTextStream. The number is cast to
+    the correct type before it is stored. If no number was detected on
+    the stream, \a i is set to 0.
+
+    By default, QTextStream will attempt to detect the base of the
+    number using the following rules:
+
+    \table
+    \header \o Prefix                \o Base
+    \row    \o "0b" or "0B"          \o 2 (binary)
+    \row    \o "0" followed by "0-7" \o 8 (octal)
+    \row    \o "0" otherwise         \o 10 (decimal)
+    \row    \o "0x" or "0X"          \o 16 (hexadecimal)
+    \row    \o "1" to "9"            \o 10 (decimal)
+    \endtable
+
+    By calling setIntegerBase(), you can specify the integer base
+    explicitly. This will disable the auto-detection, and speed up
+    QTextStream slightly.
+
+    Leading whitespace is skipped.
+*/
+QTextStream &QTextStream::operator>>(signed short &i)
+{
+    IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(signed short);
+}
+
+/*!
+    \overload
+
+    Stores the integer in the unsigned short \a i.
+*/
+QTextStream &QTextStream::operator>>(unsigned short &i)
+{
+    IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(unsigned short);
+}
+
+/*!
+    \overload
+
+    Stores the integer in the signed int \a i.
+*/
+QTextStream &QTextStream::operator>>(signed int &i)
+{
+    IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(signed int);
+}
+
+/*!
+    \overload
+
+    Stores the integer in the unsigned int \a i.
+*/
+QTextStream &QTextStream::operator>>(unsigned int &i)
+{
+    IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(unsigned int);
+}
+
+/*!
+    \overload
+
+    Stores the integer in the signed long \a i.
+*/
+QTextStream &QTextStream::operator>>(signed long &i)
+{
+    IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(signed long);
+}
+
+/*!
+    \overload
+
+    Stores the integer in the unsigned long \a i.
+*/
+QTextStream &QTextStream::operator>>(unsigned long &i)
+{
+    IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(unsigned long);
+}
+
+/*!
+    \overload
+
+    Stores the integer in the qlonglong \a i.
+*/
+QTextStream &QTextStream::operator>>(qlonglong &i)
+{
+    IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(qlonglong);
+}
+
+/*!
+    \overload
+
+    Stores the integer in the qulonglong \a i.
+*/
+QTextStream &QTextStream::operator>>(qulonglong &i)
+{
+    IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(qulonglong);
+}
+
+/*!
+    Reads a real number from the stream and stores it in \a f, then
+    returns a reference to the QTextStream. The number is cast to
+    the correct type. If no real number is detect on the stream, \a f
+    is set to 0.0.
+
+    As a special exception, QTextStream allows the strings "nan" and "inf" to
+    represent NAN and INF floats or doubles.
+
+    Leading whitespace is skipped.
+*/
+QTextStream &QTextStream::operator>>(float &f)
+{
+    IMPLEMENT_STREAM_RIGHT_REAL_OPERATOR(float);
+}
+
+/*!
+    \overload
+
+    Stores the real number in the double \a f.
+*/
+QTextStream &QTextStream::operator>>(double &f)
+{
+    IMPLEMENT_STREAM_RIGHT_REAL_OPERATOR(double);
+}
+
+/*!
+    Reads a word from the stream and stores it in \a str, then returns
+    a reference to the stream. Words are separated by whitespace
+    (i.e., all characters for which QChar::isSpace() returns true).
+
+    Leading whitespace is skipped.
+*/
+QTextStream &QTextStream::operator>>(QString &str)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+
+    str.clear();
+    d->scan(0, 0, 0, QTextStreamPrivate::NotSpace);
+    d->consumeLastToken();
+
+    const QChar *ptr;
+    int length;
+    if (!d->scan(&ptr, &length, 0, QTextStreamPrivate::Space)) {
+        setStatus(ReadPastEnd);
+        return *this;
+    }
+
+    str = QString(ptr, length);
+    d->consumeLastToken();
+    return *this;
+}
+
+/*!
+    \overload
+
+    Converts the word to ISO-8859-1, then stores it in \a array.
+
+    \sa QString::toLatin1()
+*/
+QTextStream &QTextStream::operator>>(QByteArray &array)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+
+    array.clear();
+    d->scan(0, 0, 0, QTextStreamPrivate::NotSpace);
+    d->consumeLastToken();
+
+    const QChar *ptr;
+    int length;
+    if (!d->scan(&ptr, &length, 0, QTextStreamPrivate::Space)) {
+        setStatus(ReadPastEnd);
+        return *this;
+    }
+
+    for (int i = 0; i < length; ++i)
+        array += ptr[i].toLatin1();
+
+    d->consumeLastToken();
+    return *this;
+}
+
+/*!
+    \overload
+
+    Stores the word in \a c, terminated by a '\0' character. If no word is
+    available, only the '\0' character is stored.
+
+    Warning: Although convenient, this operator is dangerous and must
+    be used with care. QTextStream assumes that \a c points to a
+    buffer with enough space to hold the word. If the buffer is too
+    small, your application may crash.
+
+    If possible, use the QByteArray operator instead.
+*/
+QTextStream &QTextStream::operator>>(char *c)
+{
+    Q_D(QTextStream);
+    *c = 0;
+    CHECK_VALID_STREAM(*this);
+    d->scan(0, 0, 0, QTextStreamPrivate::NotSpace);
+    d->consumeLastToken();
+
+    const QChar *ptr;
+    int length;
+    if (!d->scan(&ptr, &length, 0, QTextStreamPrivate::Space)) {
+        setStatus(ReadPastEnd);
+        return *this;
+    }
+
+    for (int i = 0; i < length; ++i)
+        *c++ = ptr[i].toLatin1();
+    *c = '\0';
+    d->consumeLastToken();
+    return *this;
+}
+
+/*! \internal
+ */
+bool QTextStreamPrivate::putNumber(qulonglong number, bool negative)
+{
+    QString result;
+
+    unsigned flags = 0;
+    if (numberFlags & QTextStream::ShowBase)
+        flags |= QLocalePrivate::ShowBase;
+    if (numberFlags & QTextStream::ForceSign)
+        flags |= QLocalePrivate::AlwaysShowSign;
+    if (numberFlags & QTextStream::UppercaseBase)
+        flags |= QLocalePrivate::UppercaseBase;
+    if (numberFlags & QTextStream::UppercaseDigits)
+        flags |= QLocalePrivate::CapitalEorX;
+
+    // add thousands group separators. For backward compatibility we
+    // don't add a group separator for C locale.
+    if (locale.language() != QLocale::C)
+        flags |= QLocalePrivate::ThousandsGroup;
+
+    const QLocalePrivate *dd = locale.d();
+    int base = integerBase ? integerBase : 10;
+    if (negative && base == 10) {
+        result = dd->longLongToString(-static_cast<qlonglong>(number), -1,
+                                      base, -1, flags);
+    } else if (negative) {
+        // Workaround for backward compatibility for writing negative
+        // numbers in octal and hex:
+        // QTextStream(result) << showbase << hex << -1 << oct << -1
+        // should output: -0x1 -0b1
+        result = dd->unsLongLongToString(number, -1, base, -1, flags);
+        result.prepend(locale.negativeSign());
+    } else {
+        result = dd->unsLongLongToString(number, -1, base, -1, flags);
+        // workaround for backward compatibility - in octal form with
+        // ShowBase flag set zero should be written as '00'
+        if (number == 0 && base == 8 && numberFlags & QTextStream::ShowBase
+            && result == QLatin1String("0")) {
+            result.prepend(QLatin1String("0"));
+        }
+    }
+    return putString(result, true);
+}
+
+/*!
+    \internal
+    \overload
+*/
+QTextStream &QTextStream::operator<<(QBool b)
+{
+    return *this << bool(b);
+}
+
+/*!
+    Writes the character \a c to the stream, then returns a reference
+    to the QTextStream.
+
+    \sa setFieldWidth()
+*/
+QTextStream &QTextStream::operator<<(QChar c)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putString(QString(c));
+    return *this;
+}
+
+/*!
+    \overload
+
+    Converts \a c from ASCII to a QChar, then writes it to the stream.
+*/
+QTextStream &QTextStream::operator<<(char c)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putString(QString(QChar::fromAscii(c)));
+    return *this;
+}
+
+/*!
+    Writes the integer number \a i to the stream, then returns a
+    reference to the QTextStream. By default, the number is stored in
+    decimal form, but you can also set the base by calling
+    setIntegerBase().
+
+    \sa setFieldWidth(), setNumberFlags()
+*/
+QTextStream &QTextStream::operator<<(signed short i)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putNumber((qulonglong)qAbs(qlonglong(i)), i < 0);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes the unsigned short \a i to the stream.
+*/
+QTextStream &QTextStream::operator<<(unsigned short i)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putNumber((qulonglong)i, false);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes the signed int \a i to the stream.
+*/
+QTextStream &QTextStream::operator<<(signed int i)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putNumber((qulonglong)qAbs(qlonglong(i)), i < 0);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes the unsigned int \a i to the stream.
+*/
+QTextStream &QTextStream::operator<<(unsigned int i)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putNumber((qulonglong)i, false);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes the signed long \a i to the stream.
+*/
+QTextStream &QTextStream::operator<<(signed long i)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putNumber((qulonglong)qAbs(qlonglong(i)), i < 0);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes the unsigned long \a i to the stream.
+*/
+QTextStream &QTextStream::operator<<(unsigned long i)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putNumber((qulonglong)i, false);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes the qlonglong \a i to the stream.
+*/
+QTextStream &QTextStream::operator<<(qlonglong i)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putNumber((qulonglong)qAbs(i), i < 0);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes the qulonglong \a i to the stream.
+*/
+QTextStream &QTextStream::operator<<(qulonglong i)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putNumber(i, false);
+    return *this;
+}
+
+/*!
+    Writes the real number \a f to the stream, then returns a
+    reference to the QTextStream. By default, QTextStream stores it
+    using SmartNotation, with up to 6 digits of precision. You can
+    change the textual representation QTextStream will use for real
+    numbers by calling setRealNumberNotation(),
+    setRealNumberPrecision() and setNumberFlags().
+
+    \sa setFieldWidth(), setRealNumberNotation(),
+    setRealNumberPrecision(), setNumberFlags()
+*/
+QTextStream &QTextStream::operator<<(float f)
+{
+    return *this << double(f);
+}
+
+/*!
+    \overload
+
+    Writes the double \a f to the stream.
+*/
+QTextStream &QTextStream::operator<<(double f)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+
+    QLocalePrivate::DoubleForm form = QLocalePrivate::DFDecimal;
+    switch (realNumberNotation()) {
+    case FixedNotation:
+        form = QLocalePrivate::DFDecimal;
+        break;
+    case ScientificNotation:
+        form = QLocalePrivate::DFExponent;
+        break;
+    case SmartNotation:
+        form = QLocalePrivate::DFSignificantDigits;
+        break;
+    }
+
+    uint flags = 0;
+    if (numberFlags() & ShowBase)
+        flags |= QLocalePrivate::ShowBase;
+    if (numberFlags() & ForceSign)
+        flags |= QLocalePrivate::AlwaysShowSign;
+    if (numberFlags() & UppercaseBase)
+        flags |= QLocalePrivate::UppercaseBase;
+    if (numberFlags() & UppercaseDigits)
+        flags |= QLocalePrivate::CapitalEorX;
+    if (numberFlags() & ForcePoint)
+        flags |= QLocalePrivate::Alternate;
+
+    const QLocalePrivate *dd = d->locale.d();
+    QString num = dd->doubleToString(f, d->realNumberPrecision, form, -1, flags);
+    d->putString(num, true);
+    return *this;
+}
+
+/*!
+    Writes the string \a string to the stream, and returns a reference
+    to the QTextStream. The string is first encoded using the assigned
+    codec (the default codec is QTextCodec::codecForLocale()) before
+    it is written to the stream.
+
+    \sa setFieldWidth(), setCodec()
+*/
+QTextStream &QTextStream::operator<<(const QString &string)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putString(string);
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes \a array to the stream. The contents of \a array are
+    converted with QString::fromAscii().
+*/
+QTextStream &QTextStream::operator<<(const QByteArray &array)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putString(QString::fromAscii(array.constData(), array.length()));
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes the constant string pointed to by \a string to the stream. \a
+    string is assumed to be in ISO-8859-1 encoding. This operator
+    is convenient when working with constant string data. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 8
+
+    Warning: QTextStream assumes that \a string points to a string of
+    text, terminated by a '\0' character. If there is no terminating
+    '\0' character, your application may crash.
+*/
+QTextStream &QTextStream::operator<<(const char *string)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    d->putString(QLatin1String(string));
+    return *this;
+}
+
+/*!
+    \overload
+
+    Writes \a ptr to the stream as a hexadecimal number with a base.
+*/
+
+QTextStream &QTextStream::operator<<(const void *ptr)
+{
+    Q_D(QTextStream);
+    CHECK_VALID_STREAM(*this);
+    int oldBase = d->integerBase;
+    NumberFlags oldFlags = d->numberFlags;
+    d->integerBase = 16;
+    d->numberFlags |= ShowBase;
+    d->putNumber(reinterpret_cast<quintptr>(ptr), false);
+    d->integerBase = oldBase;
+    d->numberFlags = oldFlags;
+    return *this;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setIntegerBase(2) on \a stream and returns \a
+    stream.
+
+    \sa oct(), dec(), hex(), {QTextStream manipulators}
+*/
+QTextStream &bin(QTextStream &stream)
+{
+    stream.setIntegerBase(2);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setIntegerBase(8) on \a stream and returns \a
+    stream.
+
+    \sa bin(), dec(), hex(), {QTextStream manipulators}
+*/
+QTextStream &oct(QTextStream &stream)
+{
+    stream.setIntegerBase(8);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setIntegerBase(10) on \a stream and returns \a
+    stream.
+
+    \sa bin(), oct(), hex(), {QTextStream manipulators}
+*/
+QTextStream &dec(QTextStream &stream)
+{
+    stream.setIntegerBase(10);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setIntegerBase(16) on \a stream and returns \a
+    stream.
+
+    \note The hex modifier can only be used for writing to streams.
+    \sa bin(), oct(), dec(), {QTextStream manipulators}
+*/
+QTextStream &hex(QTextStream &stream)
+{
+    stream.setIntegerBase(16);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() |
+    QTextStream::ShowBase) on \a stream and returns \a stream.
+
+    \sa noshowbase(), forcesign(), forcepoint(), {QTextStream manipulators}
+*/
+QTextStream &showbase(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() | QTextStream::ShowBase);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() |
+    QTextStream::ForceSign) on \a stream and returns \a stream.
+
+    \sa noforcesign(), forcepoint(), showbase(), {QTextStream manipulators}
+*/
+QTextStream &forcesign(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() | QTextStream::ForceSign);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() |
+    QTextStream::ForcePoint) on \a stream and returns \a stream.
+
+    \sa noforcepoint(), forcesign(), showbase(), {QTextStream manipulators}
+*/
+QTextStream &forcepoint(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() | QTextStream::ForcePoint);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() &
+    ~QTextStream::ShowBase) on \a stream and returns \a stream.
+
+    \sa showbase(), noforcesign(), noforcepoint(), {QTextStream manipulators}
+*/
+QTextStream &noshowbase(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() &= ~QTextStream::ShowBase);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() &
+    ~QTextStream::ForceSign) on \a stream and returns \a stream.
+
+    \sa forcesign(), noforcepoint(), noshowbase(), {QTextStream manipulators}
+*/
+QTextStream &noforcesign(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() &= ~QTextStream::ForceSign);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() &
+    ~QTextStream::ForcePoint) on \a stream and returns \a stream.
+
+    \sa forcepoint(), noforcesign(), noshowbase(), {QTextStream manipulators}
+*/
+QTextStream &noforcepoint(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() &= ~QTextStream::ForcePoint);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() |
+    QTextStream::UppercaseBase) on \a stream and returns \a stream.
+
+    \sa lowercasebase(), uppercasedigits(), {QTextStream manipulators}
+*/
+QTextStream &uppercasebase(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() | QTextStream::UppercaseBase);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() |
+    QTextStream::UppercaseDigits) on \a stream and returns \a stream.
+
+    \sa lowercasedigits(), uppercasebase(), {QTextStream manipulators}
+*/
+QTextStream &uppercasedigits(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() | QTextStream::UppercaseDigits);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() &
+    ~QTextStream::UppercaseBase) on \a stream and returns \a stream.
+
+    \sa uppercasebase(), lowercasedigits(), {QTextStream manipulators}
+*/
+QTextStream &lowercasebase(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() & ~QTextStream::UppercaseBase);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setNumberFlags(QTextStream::numberFlags() &
+    ~QTextStream::UppercaseDigits) on \a stream and returns \a stream.
+
+    \sa uppercasedigits(), lowercasebase(), {QTextStream manipulators}
+*/
+QTextStream &lowercasedigits(QTextStream &stream)
+{
+    stream.setNumberFlags(stream.numberFlags() & ~QTextStream::UppercaseDigits);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setRealNumberNotation(QTextStream::FixedNotation)
+    on \a stream and returns \a stream.
+
+    \sa scientific(), {QTextStream manipulators}
+*/
+QTextStream &fixed(QTextStream &stream)
+{
+    stream.setRealNumberNotation(QTextStream::FixedNotation);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setRealNumberNotation(QTextStream::ScientificNotation)
+    on \a stream and returns \a stream.
+
+    \sa fixed(), {QTextStream manipulators}
+*/
+QTextStream &scientific(QTextStream &stream)
+{
+    stream.setRealNumberNotation(QTextStream::ScientificNotation);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setFieldAlignment(QTextStream::AlignLeft)
+    on \a stream and returns \a stream.
+
+    \sa right(), center(), {QTextStream manipulators}
+*/
+QTextStream &left(QTextStream &stream)
+{
+    stream.setFieldAlignment(QTextStream::AlignLeft);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setFieldAlignment(QTextStream::AlignRight)
+    on \a stream and returns \a stream.
+
+    \sa left(), center(), {QTextStream manipulators}
+*/
+QTextStream &right(QTextStream &stream)
+{
+    stream.setFieldAlignment(QTextStream::AlignRight);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::setFieldAlignment(QTextStream::AlignCenter)
+    on \a stream and returns \a stream.
+
+    \sa left(), right(), {QTextStream manipulators}
+*/
+QTextStream &center(QTextStream &stream)
+{
+    stream.setFieldAlignment(QTextStream::AlignCenter);
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Writes '\n' to the \a stream and flushes the stream.
+
+    Equivalent to
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 9
+
+    Note: On Windows, all '\n' characters are written as '\r\n' if
+    QTextStream's device or string is opened using the QIODevice::Text flag.
+
+    \sa flush(), reset(), {QTextStream manipulators}
+*/
+QTextStream &endl(QTextStream &stream)
+{
+    return stream << QLatin1Char('\n') << flush;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::flush() on \a stream and returns \a stream.
+
+    \sa endl(), reset(), {QTextStream manipulators}
+*/
+QTextStream &flush(QTextStream &stream)
+{
+    stream.flush();
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls QTextStream::reset() on \a stream and returns \a stream.
+
+    \sa flush(), {QTextStream manipulators}
+*/
+QTextStream &reset(QTextStream &stream)
+{
+    stream.reset();
+    return stream;
+}
+
+/*!
+    \relates QTextStream
+
+    Calls skipWhiteSpace() on \a stream and returns \a stream.
+
+    \sa {QTextStream manipulators}
+*/
+QTextStream &ws(QTextStream &stream)
+{
+    stream.skipWhiteSpace();
+    return stream;
+}
+
+/*!
+    \fn QTextStreamManipulator qSetFieldWidth(int width)
+    \relates QTextStream
+
+    Equivalent to QTextStream::setFieldWidth(\a width).
+*/
+
+/*!
+    \fn QTextStreamManipulator qSetPadChar(QChar ch)
+    \relates QTextStream
+
+    Equivalent to QTextStream::setPadChar(\a ch).
+*/
+
+/*!
+    \fn QTextStreamManipulator qSetRealNumberPrecision(int precision)
+    \relates QTextStream
+
+    Equivalent to QTextStream::setRealNumberPrecision(\a precision).
+*/
+
+#ifndef QT_NO_TEXTCODEC
+/*!
+    \relates QTextStream
+
+    Toggles insertion of the Byte Order Mark on \a stream when QTextStream is
+    used with a UTF codec.
+
+    \sa QTextStream::setGenerateByteOrderMark(), {QTextStream manipulators}
+*/
+QTextStream &bom(QTextStream &stream)
+{
+    stream.setGenerateByteOrderMark(true);
+    return stream;
+}
+
+/*!
+    Sets the codec for this stream to \a codec. The codec is used for
+    decoding any data that is read from the assigned device, and for
+    encoding any data that is written. By default,
+    QTextCodec::codecForLocale() is used, and automatic unicode
+    detection is enabled.
+
+    If QTextStream operates on a string, this function does nothing.
+
+    \warning If you call this function while the text stream is reading
+    from an open sequential socket, the internal buffer may still contain
+    text decoded using the old codec.
+
+    \sa codec(), setAutoDetectUnicode(), setLocale()
+*/
+void QTextStream::setCodec(QTextCodec *codec)
+{
+    Q_D(QTextStream);
+    qint64 seekPos = -1;
+    if (!d->readBuffer.isEmpty()) {
+        if (!d->device->isSequential()) {
+            seekPos = pos();
+        }
+    }
+    d->codec = codec;
+    if (seekPos >=0 && !d->readBuffer.isEmpty())
+        seek(seekPos);
+}
+
+/*!
+    Sets the codec for this stream to the QTextCodec for the encoding
+    specified by \a codecName. Common values for \c codecName include
+    "ISO 8859-1", "UTF-8", and "UTF-16". If the encoding isn't
+    recognized, nothing happens.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qtextstream.cpp 10
+
+    \sa QTextCodec::codecForName(), setLocale()
+*/
+void QTextStream::setCodec(const char *codecName)
+{
+    QTextCodec *codec = QTextCodec::codecForName(codecName);
+    if (codec)
+        setCodec(codec);
+}
+
+/*!
+    Returns the codec that is current assigned to the stream.
+
+    \sa setCodec(), setAutoDetectUnicode(), locale()
+*/
+QTextCodec *QTextStream::codec() const
+{
+    Q_D(const QTextStream);
+    return d->codec;
+}
+
+/*!
+    If \a enabled is true, QTextStream will attempt to detect Unicode
+    encoding by peeking into the stream data to see if it can find the
+    UTF-16 or UTF-32 BOM (Byte Order Mark). If this mark is found, QTextStream
+    will replace the current codec with the UTF codec.
+
+    This function can be used together with setCodec(). It is common
+    to set the codec to UTF-8, and then enable UTF-16 detection.
+
+    \sa autoDetectUnicode(), setCodec()
+*/
+void QTextStream::setAutoDetectUnicode(bool enabled)
+{
+    Q_D(QTextStream);
+    d->autoDetectUnicode = enabled;
+}
+
+/*!
+    Returns true if automatic Unicode detection is enabled; otherwise
+    returns false.
+
+    \sa setAutoDetectUnicode(), setCodec()
+*/
+bool QTextStream::autoDetectUnicode() const
+{
+    Q_D(const QTextStream);
+    return d->autoDetectUnicode;
+}
+
+/*!
+    If \a generate is true and a UTF codec is used, QTextStream will insert
+    the BOM (Byte Order Mark) before any data has been written to the
+    device. If \a generate is false, no BOM will be inserted. This function
+    must be called before any data is written. Otherwise, it does nothing.
+
+    \sa generateByteOrderMark(), bom()
+*/
+void QTextStream::setGenerateByteOrderMark(bool generate)
+{
+    Q_D(QTextStream);
+    if (d->writeBuffer.isEmpty()) {
+        if (generate)
+            d->writeConverterState.flags &= ~QTextCodec::IgnoreHeader;
+        else
+            d->writeConverterState.flags |= QTextCodec::IgnoreHeader;
+    }
+}
+
+/*!
+    Returns true if QTextStream is set to generate the UTF BOM (Byte Order
+    Mark) when using a UTF codec; otherwise returns false.
+
+    \sa setGenerateByteOrderMark()
+*/
+bool QTextStream::generateByteOrderMark() const
+{
+    Q_D(const QTextStream);
+    return (d->writeConverterState.flags & QTextCodec::IgnoreHeader) == 0;
+}
+
+#endif
+
+/*!
+    \since 4.5
+
+    Sets the locale for this stream to \a locale. The specified locale is
+    used for conversions between numbers and their string representations.
+
+    The default locale is C and it is a special case - the thousands
+    group separator is not used for backward compatibility reasons.
+
+    \sa locale()
+*/
+void QTextStream::setLocale(const QLocale &locale)
+{
+    Q_D(QTextStream);
+    d->locale = locale;
+}
+
+/*!
+    \since 4.5
+
+    Returns the locale for this stream. The default locale is C.
+
+    \sa setLocale()
+*/
+QLocale QTextStream::locale() const
+{
+    Q_D(const QTextStream);
+    return d->locale;
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    \class QTextIStream
+    \brief The QTextIStream class is a convenience class for input streams.
+
+    \compat
+    \reentrant
+    \ingroup io
+    \ingroup text
+
+    Use QTextStream instead.
+*/
+
+/*!
+    \fn QTextIStream::QTextIStream(const QString *string)
+
+    Use QTextStream(&\a{string}, QIODevice::ReadOnly) instead.
+*/
+/*!
+    \fn QTextIStream::QTextIStream(QByteArray *byteArray)
+
+    Use QTextStream(&\a{byteArray}, QIODevice::ReadOnly) instead.
+*/
+/*!
+    \fn QTextIStream::QTextIStream(FILE *file)
+
+    Use QTextStream(\a{file}, QIODevice::ReadOnly) instead.
+*/
+
+/*!
+    \class QTextOStream
+    \brief The QTextOStream class is a convenience class for output streams.
+
+    \compat
+    \reentrant
+    \ingroup io
+    \ingroup text
+
+    Use QTextStream instead.
+*/
+
+/*!
+    \fn QTextOStream::QTextOStream(QString *string)
+
+    Use QTextStream(&\a{string}, QIODevice::WriteOnly) instead.
+*/
+/*!
+    \fn QTextOStream::QTextOStream(QByteArray *byteArray)
+
+    Use QTextStream(&\a{byteArray}, QIODevice::WriteOnly) instead.
+*/
+/*!
+    \fn QTextOStream::QTextOStream(FILE *file)
+
+    Use QTextStream(\a{file}, QIODevice::WriteOnly) instead.
+*/
+
+/*! \internal
+*/
+int QTextStream::flagsInternal() const
+{
+    Q_D(const QTextStream);
+
+    int f = 0;
+    switch (d->fieldAlignment) {
+    case AlignLeft: f |= left; break;
+    case AlignRight: f |= right; break;
+    case AlignCenter: f |= internal; break;
+    default:
+        break;
+    }
+    switch (d->integerBase) {
+    case 2: f |= bin; break;
+    case 8: f |= oct; break;
+    case 10: f |= dec; break;
+    case 16: f |= hex; break;
+    default:
+        break;
+    }
+    switch (d->realNumberNotation) {
+    case FixedNotation: f |= fixed; break;
+    case ScientificNotation: f |= scientific; break;
+    default:
+        break;
+    }
+    if (d->numberFlags & ShowBase)
+        f |= showbase;
+    if (d->numberFlags & ForcePoint)
+        f |= showpoint;
+    if (d->numberFlags & ForceSign)
+        f |= showpos;
+    if (d->numberFlags & UppercaseBase)
+        f |= uppercase;
+    return f;
+}
+
+/*! \internal
+*/
+int QTextStream::flagsInternal(int newFlags)
+{
+    int oldFlags = flagsInternal();
+
+    if (newFlags & left)
+        setFieldAlignment(AlignLeft);
+    else if (newFlags & right)
+        setFieldAlignment(AlignRight);
+    else if (newFlags & internal)
+        setFieldAlignment(AlignCenter);
+
+    if (newFlags & bin)
+        setIntegerBase(2);
+    else if (newFlags & oct)
+        setIntegerBase(8);
+    else if (newFlags & dec)
+        setIntegerBase(10);
+    else if (newFlags & hex)
+        setIntegerBase(16);
+
+    if (newFlags & showbase)
+        setNumberFlags(numberFlags() | ShowBase);
+    if (newFlags & showpos)
+        setNumberFlags(numberFlags() | ForceSign);
+    if (newFlags & showpoint)
+        setNumberFlags(numberFlags() | ForcePoint);
+    if (newFlags & uppercase)
+        setNumberFlags(numberFlags() | UppercaseBase);
+
+    if (newFlags & fixed)
+        setRealNumberNotation(FixedNotation);
+    else if (newFlags & scientific)
+        setRealNumberNotation(ScientificNotation);
+
+    return oldFlags;
+}
+
+#ifndef QT_NO_TEXTCODEC
+/*!
+    Use setCodec() and setAutoDetectUnicode() instead.
+*/
+void QTextStream::setEncoding(Encoding encoding)
+{
+    Q_D(QTextStream);
+    resetCodecConverterStateHelper(&d->readConverterState);
+    resetCodecConverterStateHelper(&d->writeConverterState);
+
+    switch (encoding) {
+    case Locale:
+        d->writeConverterState.flags |= QTextCodec::IgnoreHeader;
+        setCodec(QTextCodec::codecForLocale());
+        d->autoDetectUnicode = true;
+        break;
+    case Latin1:
+        d->readConverterState.flags |= QTextCodec::IgnoreHeader;
+        d->writeConverterState.flags |= QTextCodec::IgnoreHeader;
+        setCodec(QTextCodec::codecForName("ISO-8859-1"));
+        d->autoDetectUnicode = false;
+        break;
+    case Unicode:
+        setCodec(QTextCodec::codecForName("UTF-16"));
+        d->autoDetectUnicode = false;
+        break;
+    case RawUnicode:
+        d->readConverterState.flags |= QTextCodec::IgnoreHeader;
+        d->writeConverterState.flags |= QTextCodec::IgnoreHeader;
+        setCodec(QTextCodec::codecForName("UTF-16"));
+        d->autoDetectUnicode = false;
+        break;
+    case UnicodeNetworkOrder:
+        d->readConverterState.flags |= QTextCodec::IgnoreHeader;
+        d->writeConverterState.flags |= QTextCodec::IgnoreHeader;
+        setCodec(QTextCodec::codecForName("UTF-16BE"));
+        d->autoDetectUnicode = false;
+        break;
+    case UnicodeReverse:
+        d->readConverterState.flags |= QTextCodec::IgnoreHeader;
+        d->writeConverterState.flags |= QTextCodec::IgnoreHeader;
+        setCodec(QTextCodec::codecForName("UTF-16LE"));
+        d->autoDetectUnicode = false;
+        break;
+    case UnicodeUTF8:
+        d->writeConverterState.flags |= QTextCodec::IgnoreHeader;
+        setCodec(QTextCodec::codecForName("UTF-8"));
+        d->autoDetectUnicode = true;
+        break;
+    }
+}
+#endif
+
+/*!
+    \enum QTextStream::Encoding
+    \compat
+
+    \value Latin1  Use setCodec(QTextCodec::codecForName("ISO-8859-1")) instead.
+    \value Locale  Use setCodec(QTextCodec::codecForLocale()) instead.
+    \value RawUnicode  Use setCodec(QTextCodec::codecForName("UTF-16")) instead.
+    \value Unicode  Use setCodec(QTextCodec::codecForName("UTF-16")) instead.
+    \value UnicodeNetworkOrder  Use setCodec(QTextCodec::codecForName("UTF-16BE")) instead.
+    \value UnicodeReverse  Use setCodec(QTextCodec::codecForName("UTF-16LE")) instead.
+    \value UnicodeUTF8  Use setCodec(QTextCodec::codecForName("UTF-8")) instead.
+
+    Also, for all encodings except QTextStream::Latin1 and
+    QTextStream::UTF8, you need to call setAutoDetectUnicode(false)
+    to obtain the Qt 3 behavior in addition to the setCodec() call.
+
+    \sa setCodec(), setAutoDetectUnicode()
+*/
+
+/*!
+    \fn int QTextStream::flags() const
+
+    Use fieldAlignment(), padChar(), fieldWidth(), numberFlags(),
+    integerBase(), realNumberNotation(), and realNumberNotation
+    instead.
+*/
+
+/*!
+    \fn int QTextStream::flags(int)
+
+    Use setFieldAlignment(), setPadChar(), setFieldWidth(),
+    setNumberFlags(), setIntegerBase(), setRealNumberNotation(), and
+    setRealNumberNotation instead.
+*/
+
+/*!
+    \fn int QTextStream::setf(int)
+
+    Use setFieldAlignment(), setPadChar(), setFieldWidth(),
+    setNumberFlags(), setIntegerBase(), setRealNumberNotation(), and
+    setRealNumberNotation instead.
+*/
+
+/*!
+    \fn int QTextStream::setf(int, int)
+
+    Use setFieldAlignment(), setPadChar(), setFieldWidth(),
+    setNumberFlags(), setIntegerBase(), setRealNumberNotation(), and
+    setRealNumberNotation instead.
+*/
+
+/*!
+    \fn int QTextStream::unsetf(int)
+
+    Use setFieldAlignment(), setPadChar(), setFieldWidth(),
+    setNumberFlags(), setIntegerBase(), setRealNumberNotation(), and
+    setRealNumberNotation instead.
+*/
+
+/*!
+    \fn int QTextStream::width(int)
+
+    Use setFieldWidth() instead.
+*/
+
+/*!
+    \fn int QTextStream::fill(int)
+
+    Use setPadChar() instead.
+*/
+
+/*!
+    \fn int QTextStream::precision(int)
+
+    Use setRealNumberPrecision() instead.
+*/
+
+/*!
+    \fn int QTextStream::read()
+
+    Use readAll() or readLine() instead.
+*/
+
+/*!
+    \fn int QTextStream::unsetDevice()
+
+    Use setDevice(0) instead.
+*/
+
+/*!
+    \variable QTextStream::skipws
+    \variable QTextStream::left
+    \variable QTextStream::right
+    \variable QTextStream::internal
+    \variable QTextStream::bin
+    \variable QTextStream::oct
+    \variable QTextStream::dec
+    \variable QTextStream::hex
+    \variable QTextStream::showbase
+    \variable QTextStream::showpoint
+    \variable QTextStream::uppercase
+    \variable QTextStream::showpos
+    \variable QTextStream::scientific
+    \variable QTextStream::fixed
+    \variable QTextStream::basefield
+    \variable QTextStream::adjustfield
+    \variable QTextStream::floatfield
+    \compat
+
+    Use the new \l{QTextStream manipulators} instead.
+*/
+
+#endif
+
+QT_END_NAMESPACE
+
+#ifndef QT_NO_QOBJECT
+#include "qtextstream.moc"
+#endif
+
diff --git a/src/corelib/io/qtextstream.h b/src/corelib/io/qtextstream.h
new file mode 100644
index 0000000000..6302d3474a
--- /dev/null
+++ b/src/corelib/io/qtextstream.h
@@ -0,0 +1,375 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEXTSTREAM_H
+#define QTEXTSTREAM_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qchar.h>
+#include <QtCore/qlocale.h>
+
+#ifndef QT_NO_TEXTCODEC
+#  ifdef QT3_SUPPORT
+#    include <QtCore/qtextcodec.h>
+#  endif
+#endif
+
+#include <stdio.h>
+
+#ifdef Status
+#error qtextstream.h must be included before any header file that defines Status
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QTextCodec;
+class QTextDecoder;
+
+class QTextStreamPrivate;
+class Q_CORE_EXPORT QTextStream                                // text stream class
+{
+    Q_DECLARE_PRIVATE(QTextStream)
+
+public:
+    enum RealNumberNotation {
+        SmartNotation,
+        FixedNotation,
+        ScientificNotation
+    };
+    enum FieldAlignment {
+        AlignLeft,
+        AlignRight,
+        AlignCenter,
+        AlignAccountingStyle
+    };
+    enum Status {
+        Ok,
+        ReadPastEnd,
+        ReadCorruptData
+    };
+    enum NumberFlag {
+        ShowBase = 0x1,
+        ForcePoint = 0x2,
+        ForceSign = 0x4,
+        UppercaseBase = 0x8,
+        UppercaseDigits = 0x10
+    };
+    Q_DECLARE_FLAGS(NumberFlags, NumberFlag)
+
+    QTextStream();
+    explicit QTextStream(QIODevice *device);
+    explicit QTextStream(FILE *fileHandle, QIODevice::OpenMode openMode = QIODevice::ReadWrite);
+    explicit QTextStream(QString *string, QIODevice::OpenMode openMode = QIODevice::ReadWrite);
+    explicit QTextStream(QByteArray *array, QIODevice::OpenMode openMode = QIODevice::ReadWrite);
+    explicit QTextStream(const QByteArray &array, QIODevice::OpenMode openMode = QIODevice::ReadOnly);
+    virtual ~QTextStream();
+
+#ifndef QT_NO_TEXTCODEC
+    void setCodec(QTextCodec *codec);
+    void setCodec(const char *codecName);
+    QTextCodec *codec() const;
+    void setAutoDetectUnicode(bool enabled);
+    bool autoDetectUnicode() const;
+    void setGenerateByteOrderMark(bool generate);
+    bool generateByteOrderMark() const;
+#endif
+
+    void setLocale(const QLocale &locale);
+    QLocale locale() const;
+
+    void setDevice(QIODevice *device);
+    QIODevice *device() const;
+
+    void setString(QString *string, QIODevice::OpenMode openMode = QIODevice::ReadWrite);
+    QString *string() const;
+
+    Status status() const;
+    void setStatus(Status status);
+    void resetStatus();
+
+    bool atEnd() const;
+    void reset();
+    void flush();
+    bool seek(qint64 pos);
+    qint64 pos() const;
+
+    void skipWhiteSpace();
+
+    QString readLine(qint64 maxlen = 0);
+    QString readAll();
+    QString read(qint64 maxlen);
+
+    void setFieldAlignment(FieldAlignment alignment);
+    FieldAlignment fieldAlignment() const;
+
+    void setPadChar(QChar ch);
+    QChar padChar() const;
+
+    void setFieldWidth(int width);
+    int fieldWidth() const;
+
+    void setNumberFlags(NumberFlags flags);
+    NumberFlags numberFlags() const;
+
+    void setIntegerBase(int base);
+    int integerBase() const;
+
+    void setRealNumberNotation(RealNumberNotation notation);
+    RealNumberNotation realNumberNotation() const;
+
+    void setRealNumberPrecision(int precision);
+    int realNumberPrecision() const;
+
+    QTextStream &operator>>(QChar &ch);
+    QTextStream &operator>>(char &ch);
+    QTextStream &operator>>(signed short &i);
+    QTextStream &operator>>(unsigned short &i);
+    QTextStream &operator>>(signed int &i);
+    QTextStream &operator>>(unsigned int &i);
+    QTextStream &operator>>(signed long &i);
+    QTextStream &operator>>(unsigned long &i);
+    QTextStream &operator>>(qlonglong &i);
+    QTextStream &operator>>(qulonglong &i);
+    QTextStream &operator>>(float &f);
+    QTextStream &operator>>(double &f);
+    QTextStream &operator>>(QString &s);
+    QTextStream &operator>>(QByteArray &array);
+    QTextStream &operator>>(char *c);
+
+    QTextStream &operator<<(QBool b);
+    QTextStream &operator<<(QChar ch);
+    QTextStream &operator<<(char ch);
+    QTextStream &operator<<(signed short i);
+    QTextStream &operator<<(unsigned short i);
+    QTextStream &operator<<(signed int i);
+    QTextStream &operator<<(unsigned int i);
+    QTextStream &operator<<(signed long i);
+    QTextStream &operator<<(unsigned long i);
+    QTextStream &operator<<(qlonglong i);
+    QTextStream &operator<<(qulonglong i);
+    QTextStream &operator<<(float f);
+    QTextStream &operator<<(double f);
+    QTextStream &operator<<(const QString &s);
+    QTextStream &operator<<(const QByteArray &array);
+    QTextStream &operator<<(const char *c);
+    QTextStream &operator<<(const void *ptr);
+
+#ifdef QT3_SUPPORT
+    // not marked as QT3_SUPPORT to avoid double compiler warnings, as
+    // they are used in the QT3_SUPPORT functions below.
+    inline QT3_SUPPORT int flags() const { return flagsInternal(); }
+    inline QT3_SUPPORT int flags(int f) { return flagsInternal(f); }
+
+    inline QT3_SUPPORT int setf(int bits)
+    { int old = flagsInternal(); flagsInternal(flagsInternal() | bits); return old; }
+    inline QT3_SUPPORT int setf(int bits, int mask)
+    { int old = flagsInternal(); flagsInternal(flagsInternal() | (bits & mask)); return old; }
+    inline QT3_SUPPORT int unsetf(int bits)
+    { int old = flagsInternal(); flagsInternal(flagsInternal() & ~bits); return old; }
+
+    inline QT3_SUPPORT int width(int w)
+    { int old = fieldWidth(); setFieldWidth(w); return old; }
+    inline QT3_SUPPORT int fill(int f)
+    { QChar ch = padChar(); setPadChar(QChar(f)); return ch.unicode(); }
+    inline QT3_SUPPORT int precision(int p)
+    { int old = realNumberPrecision(); setRealNumberPrecision(p); return old; }
+
+    enum {
+        skipws       = 0x0001,                        // skip whitespace on input
+        left         = 0x0002,                        // left-adjust output
+        right        = 0x0004,                        // right-adjust output
+        internal     = 0x0008,                        // pad after sign
+        bin          = 0x0010,                        // binary format integer
+        oct          = 0x0020,                        // octal format integer
+        dec          = 0x0040,                        // decimal format integer
+        hex          = 0x0080,                        // hex format integer
+        showbase     = 0x0100,                        // show base indicator
+        showpoint    = 0x0200,                        // force decimal point (float)
+        uppercase    = 0x0400,                        // upper-case hex output
+        showpos      = 0x0800,                        // add '+' to positive integers
+        scientific   = 0x1000,                        // scientific float output
+        fixed        = 0x2000                         // fixed float output
+    };
+    enum {
+        basefield = bin | oct | dec | hex,
+        adjustfield = left | right | internal,
+        floatfield = scientific | fixed
+    };
+
+#ifndef QT_NO_TEXTCODEC
+    enum Encoding { Locale, Latin1, Unicode, UnicodeNetworkOrder,
+                    UnicodeReverse, RawUnicode, UnicodeUTF8 };
+    QT3_SUPPORT void setEncoding(Encoding encoding);
+#endif
+    inline QT3_SUPPORT QString read() { return readAll(); }
+    inline QT3_SUPPORT void unsetDevice() { setDevice(0); }
+#endif
+
+private:
+#ifdef QT3_SUPPORT
+    int flagsInternal() const;
+    int flagsInternal(int flags);
+#endif
+
+    Q_DISABLE_COPY(QTextStream)
+
+    QTextStreamPrivate *d_ptr;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QTextStream::NumberFlags)
+
+/*****************************************************************************
+  QTextStream manipulators
+ *****************************************************************************/
+
+typedef QTextStream & (*QTextStreamFunction)(QTextStream &);// manipulator function
+typedef void (QTextStream::*QTSMFI)(int); // manipulator w/int argument
+typedef void (QTextStream::*QTSMFC)(QChar); // manipulator w/QChar argument
+
+class Q_CORE_EXPORT QTextStreamManipulator
+{
+public:
+    QTextStreamManipulator(QTSMFI m, int a) { mf = m; mc = 0; arg = a; }
+    QTextStreamManipulator(QTSMFC m, QChar c) { mf = 0; mc = m; ch = c; }
+    void exec(QTextStream &s) { if (mf) { (s.*mf)(arg); } else { (s.*mc)(ch); } }
+
+private:
+    QTSMFI mf;                                        // QTextStream member function
+    QTSMFC mc;                                        // QTextStream member function
+    int arg;                                          // member function argument
+    QChar ch;
+};
+
+inline QTextStream &operator>>(QTextStream &s, QTextStreamFunction f)
+{ return (*f)(s); }
+
+inline QTextStream &operator<<(QTextStream &s, QTextStreamFunction f)
+{ return (*f)(s); }
+
+inline QTextStream &operator<<(QTextStream &s, QTextStreamManipulator m)
+{ m.exec(s); return s; }
+
+Q_CORE_EXPORT QTextStream &bin(QTextStream &s);
+Q_CORE_EXPORT QTextStream &oct(QTextStream &s);
+Q_CORE_EXPORT QTextStream &dec(QTextStream &s);
+Q_CORE_EXPORT QTextStream &hex(QTextStream &s);
+
+Q_CORE_EXPORT QTextStream &showbase(QTextStream &s);
+Q_CORE_EXPORT QTextStream &forcesign(QTextStream &s);
+Q_CORE_EXPORT QTextStream &forcepoint(QTextStream &s);
+Q_CORE_EXPORT QTextStream &noshowbase(QTextStream &s);
+Q_CORE_EXPORT QTextStream &noforcesign(QTextStream &s);
+Q_CORE_EXPORT QTextStream &noforcepoint(QTextStream &s);
+
+Q_CORE_EXPORT QTextStream &uppercasebase(QTextStream &s);
+Q_CORE_EXPORT QTextStream &uppercasedigits(QTextStream &s);
+Q_CORE_EXPORT QTextStream &lowercasebase(QTextStream &s);
+Q_CORE_EXPORT QTextStream &lowercasedigits(QTextStream &s);
+
+Q_CORE_EXPORT QTextStream &fixed(QTextStream &s);
+Q_CORE_EXPORT QTextStream &scientific(QTextStream &s);
+
+Q_CORE_EXPORT QTextStream &left(QTextStream &s);
+Q_CORE_EXPORT QTextStream &right(QTextStream &s);
+Q_CORE_EXPORT QTextStream &center(QTextStream &s);
+
+Q_CORE_EXPORT QTextStream &endl(QTextStream &s);
+Q_CORE_EXPORT QTextStream &flush(QTextStream &s);
+Q_CORE_EXPORT QTextStream &reset(QTextStream &s);
+
+Q_CORE_EXPORT QTextStream &bom(QTextStream &s);
+
+Q_CORE_EXPORT QTextStream &ws(QTextStream &s);
+
+inline QTextStreamManipulator qSetFieldWidth(int width)
+{
+    QTSMFI func = &QTextStream::setFieldWidth;
+    return QTextStreamManipulator(func,width);
+}
+
+inline QTextStreamManipulator qSetPadChar(QChar ch)
+{
+    QTSMFC func = &QTextStream::setPadChar;
+    return QTextStreamManipulator(func, ch);
+}
+
+inline QTextStreamManipulator qSetRealNumberPrecision(int precision)
+{
+    QTSMFI func = &QTextStream::setRealNumberPrecision;
+    return QTextStreamManipulator(func, precision);
+}
+
+#ifdef QT3_SUPPORT
+typedef QTextStream QTS;
+
+class Q_CORE_EXPORT QTextIStream : public QTextStream
+{
+public:
+    inline explicit QTextIStream(const QString *s) : QTextStream(const_cast<QString *>(s), QIODevice::ReadOnly) {}
+    inline explicit QTextIStream(QByteArray *a) : QTextStream(a, QIODevice::ReadOnly) {}
+    inline QTextIStream(FILE *f) : QTextStream(f, QIODevice::ReadOnly) {}
+
+private:
+    Q_DISABLE_COPY(QTextIStream)
+};
+
+class Q_CORE_EXPORT QTextOStream : public QTextStream
+{
+public:
+    inline explicit QTextOStream(QString *s) : QTextStream(s, QIODevice::WriteOnly) {}
+    inline explicit QTextOStream(QByteArray *a) : QTextStream(a, QIODevice::WriteOnly) {}
+    inline QTextOStream(FILE *f) : QTextStream(f, QIODevice::WriteOnly) {}
+
+private:
+    Q_DISABLE_COPY(QTextOStream)
+};
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTEXTSTREAM_H
diff --git a/src/corelib/io/qurl.cpp b/src/corelib/io/qurl.cpp
new file mode 100644
index 0000000000..9ce9a2e354
--- /dev/null
+++ b/src/corelib/io/qurl.cpp
@@ -0,0 +1,5999 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \class QUrl
+
+    \brief The QUrl class provides a convenient interface for working
+    with URLs.
+
+    \reentrant
+    \ingroup io
+    \ingroup misc
+    \ingroup shared
+    \mainclass
+
+    It can parse and construct URLs in both encoded and unencoded
+    form. QUrl also has support for internationalized domain names
+    (IDNs).
+
+    The most common way to use QUrl is to initialize it via the
+    constructor by passing a QString. Otherwise, setUrl() and
+    setEncodedUrl() can also be used.
+
+    URLs can be represented in two forms: encoded or unencoded. The
+    unencoded representation is suitable for showing to users, but
+    the encoded representation is typically what you would send to
+    a web server. For example, the unencoded URL
+    "http://b\uuml\c{}hler.example.com" would be sent to the server as
+    "http://xn--bhler-kva.example.com/List%20of%20applicants.xml".
+
+    A URL can also be constructed piece by piece by calling
+    setScheme(), setUserName(), setPassword(), setHost(), setPort(),
+    setPath(), setEncodedQuery() and setFragment(). Some convenience
+    functions are also available: setAuthority() sets the user name,
+    password, host and port. setUserInfo() sets the user name and
+    password at once.
+
+    Call isValid() to check if the URL is valid. This can be done at
+    any point during the constructing of a URL.
+
+    Constructing a query is particularly convenient through the use
+    of setQueryItems(), addQueryItem() and removeQueryItem(). Use
+    setQueryDelimiters() to customize the delimiters used for
+    generating the query string.
+
+    For the convenience of generating encoded URL strings or query
+    strings, there are two static functions called
+    fromPercentEncoding() and toPercentEncoding() which deal with
+    percent encoding and decoding of QStrings.
+
+    Calling isRelative() will tell whether or not the URL is
+    relative. A relative URL can be resolved by passing it as argument
+    to resolved(), which returns an absolute URL. isParentOf() is used
+    for determining whether one URL is a parent of another.
+
+    fromLocalFile() constructs a QUrl by parsing a local
+    file path. toLocalFile() converts a URL to a local file path.
+
+    The human readable representation of the URL is fetched with
+    toString(). This representation is appropriate for displaying a
+    URL to a user in unencoded form. The encoded form however, as
+    returned by toEncoded(), is for internal use, passing to web
+    servers, mail clients and so on.
+
+    QUrl conforms to the URI specification from
+    \l{RFC 3986} (Uniform Resource Identifier: Generic Syntax), and includes
+    scheme extensions from \l{RFC 1738} (Uniform Resource Locators). Case
+    folding rules in QUrl conform to \l{RFC 3491} (Nameprep: A Stringprep
+    Profile for Internationalized Domain Names (IDN)).
+
+    \sa QUrlInfo
+*/
+
+/*!
+    \enum QUrl::ParsingMode
+
+    The parsing mode controls the way QUrl parses strings.
+
+    \value TolerantMode QUrl will try to correct some common errors in URLs.
+                        This mode is useful when processing URLs entered by
+                        users.
+
+    \value StrictMode Only valid URLs are accepted. This mode is useful for
+                      general URL validation.
+
+    In TolerantMode, the parser corrects the following invalid input:
+
+    \list
+
+    \o Spaces and "%20": If an encoded URL contains a space, this will be
+    replaced with "%20". If a decoded URL contains "%20", this will be
+    replaced with a single space before the URL is parsed.
+
+    \o Single "%" characters: Any occurrences of a percent character "%" not
+    followed by exactly two hexadecimal characters (e.g., "13% coverage.html")
+    will be replaced by "%25".
+
+    \o Reserved and unreserved characters: An encoded URL should only
+    contain a few characters as literals; all other characters should
+    be percent-encoded. In TolerantMode, these characters will be
+    automatically percent-encoded where they are not allowed:
+            space / double-quote / "<" / ">" / "[" / "\" /
+            "]" / "^" / "`" / "{" / "|" / "}"
+
+    \endlist
+*/
+
+/*!
+    \enum QUrl::FormattingOption
+
+    The formatting options define how the URL is formatted when written out
+    as text.
+
+    \value None The format of the URL is unchanged.
+    \value RemoveScheme  The scheme is removed from the URL.
+    \value RemovePassword  Any password in the URL is removed.
+    \value RemoveUserInfo  Any user information in the URL is removed.
+    \value RemovePort      Any specified port is removed from the URL.
+    \value RemoveAuthority
+    \value RemovePath   The URL's path is removed, leaving only the scheme,
+                        host address, and port (if present).
+    \value RemoveQuery  The query part of the URL (following a '?' character)
+                        is removed.
+    \value RemoveFragment
+    \value StripTrailingSlash  The trailing slash is removed if one is present.
+
+    Note that the case folding rules in \l{RFC 3491}{Nameprep}, which QUrl
+    conforms to, require host names to always be converted to lower case,
+    regardless of the Qt::FormattingOptions used.
+*/
+
+#include "qplatformdefs.h"
+#include "qurl.h"
+#include "private/qunicodetables_p.h"
+#include "qatomic.h"
+#include "qbytearray.h"
+#include "qlist.h"
+#ifndef QT_NO_REGEXP
+#include "qregexp.h"
+#endif
+#include "qstring.h"
+#include "qstringlist.h"
+#include "qstack.h"
+#include "qvarlengtharray.h"
+#include "qdebug.h"
+#if defined QT3_SUPPORT
+#include "qfileinfo.h"
+#endif
+
+#if defined(Q_OS_WINCE_WM)
+#pragma optimize("g", off)
+#endif
+
+QT_BEGIN_NAMESPACE
+
+extern void q_normalizePercentEncoding(QByteArray *ba, const char *exclude);
+extern void q_toPercentEncoding(QByteArray *ba, const char *exclude, const char *include = 0);
+extern void q_fromPercentEncoding(QByteArray *ba);
+
+static QByteArray toPercentEncodingHelper(const QString &s, const char *exclude, const char *include = 0)
+{
+    if (s.isNull())
+        return QByteArray();    // null
+    QByteArray ba = s.toUtf8();
+    q_toPercentEncoding(&ba, exclude, include);
+    return ba;
+}
+
+static QString fromPercentEncodingHelper(const QByteArray &ba)
+{
+    if (ba.isNull())
+        return QString();       // null
+    QByteArray copy = ba;
+    q_fromPercentEncoding(&copy);
+    return QString::fromUtf8(copy.constData(), copy.length());
+}
+
+static QString fromPercentEncodingMutable(QByteArray *ba)
+{
+    if (ba->isNull())
+        return QString();       // null
+    q_fromPercentEncoding(ba);
+    return QString::fromUtf8(ba->constData(), ba->length());
+}
+
+// ### Qt 5: Consider accepting empty strings as valid. See task 144227.
+
+//#define QURL_DEBUG
+
+// implemented in qvsnprintf.cpp
+Q_CORE_EXPORT int qsnprintf(char *str, size_t n, const char *fmt, ...);
+
+// needed by the punycode encoder/decoder
+#define Q_MAXINT ((uint)((uint)(-1)>>1))
+static const uint base = 36;
+static const uint tmin = 1;
+static const uint tmax = 26;
+static const uint skew = 38;
+static const uint damp = 700;
+static const uint initial_bias = 72;
+static const uint initial_n = 128;
+
+#define QURL_SETFLAG(a, b) { (a) |= (b); }
+#define QURL_UNSETFLAG(a, b) { (a) &= ~(b); }
+#define QURL_HASFLAG(a, b) (((a) & (b)) == (b))
+
+struct QUrlErrorInfo {
+    inline QUrlErrorInfo() : _source(0), _message(0), _expected(0), _found(0)
+    { }
+
+    const char *_source;
+    const char *_message;
+    char _expected;
+    char _found;
+
+    inline void setParams(const char *source, const char *message, char expected, char found)
+    {
+        _source = source;
+        _message = message;
+        _expected = expected;
+        _found = found;
+    }
+};
+
+struct QUrlParseData
+{
+    const char *scheme;
+    int schemeLength;
+    
+    const char *userInfo;
+    int userInfoDelimIndex;
+    int userInfoLength;
+    
+    const char *host;
+    int hostLength;
+    int port;
+
+    const char *path;
+    int pathLength;
+    const char *query;
+    int queryLength;
+    const char *fragment;
+    int fragmentLength;
+};
+
+
+class QUrlPrivate
+{
+public:
+    QUrlPrivate();
+    QUrlPrivate(const QUrlPrivate &other);
+
+    bool setUrl(const QString &url);
+
+    QString canonicalHost() const;
+    void ensureEncodedParts() const;
+    QString authority(QUrl::FormattingOptions options = QUrl::None) const;
+    void setAuthority(const QString &auth);
+    void setUserInfo(const QString &userInfo);
+    QString userInfo(QUrl::FormattingOptions options = QUrl::None) const;
+    void setEncodedAuthority(const QByteArray &authority);
+    void setEncodedUserInfo(const QUrlParseData *parseData);
+
+    QByteArray mergePaths(const QByteArray &relativePath) const;
+
+    void queryItem(int pos, int *value, int *end);
+
+    enum ParseOptions {
+        ParseAndSet,
+        ParseOnly
+    };
+
+    void validate() const;
+    void parse(ParseOptions parseOptions = ParseAndSet) const;
+    void clear();
+
+    QByteArray toEncoded(QUrl::FormattingOptions options = QUrl::None) const;
+
+    QAtomicInt ref;
+
+    QString scheme;
+    QString userName;
+    QString password;
+    QString host;
+    QString path;
+    QByteArray query;
+    QString fragment;
+
+    QByteArray encodedOriginal;
+    QByteArray encodedUserName;
+    QByteArray encodedPassword;
+    QByteArray encodedPath;
+    QByteArray encodedFragment;
+
+    int port;
+    QUrl::ParsingMode parsingMode;
+
+    bool hasQuery;
+    bool hasFragment;
+    bool isValid;
+
+    char valueDelimiter;
+    char pairDelimiter;
+
+    enum State {
+        Parsed = 0x1,
+        Validated = 0x2,
+        Normalized = 0x4,
+        HostCanonicalized = 0x8
+    };
+    int stateFlags;
+
+    QByteArray encodedNormalized;
+    const QByteArray & normalized();
+
+    mutable QUrlErrorInfo errorInfo;
+    QString createErrorString();
+};
+
+
+static bool QT_FASTCALL _HEXDIG(const char **ptr)
+{
+    char ch = **ptr;
+    if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F')) {
+        ++(*ptr);
+        return true;
+    }
+
+    return false;
+}
+
+// pct-encoded = "%" HEXDIG HEXDIG
+static bool QT_FASTCALL _pctEncoded(const char **ptr)
+{
+    const char *ptrBackup = *ptr;
+
+    if (**ptr != '%')
+        return false;
+    ++(*ptr);
+    
+    if (!_HEXDIG(ptr)) {
+        *ptr = ptrBackup;
+        return false;
+    }
+    if (!_HEXDIG(ptr)) {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+    return true;
+}
+
+#if 0
+// gen-delims  = ":" / "/" / "?" / "#" / "[" / "]" / "@"
+static bool QT_FASTCALL _genDelims(const char **ptr, char *c)
+{
+    char ch = **ptr;
+    switch (ch) {
+    case ':': case '/': case '?': case '#':
+    case '[': case ']': case '@':
+        *c = ch;
+        ++(*ptr);
+        return true;
+    default:
+        return false;
+    }
+}
+#endif
+
+// sub-delims  = "!" / "$" / "&" / "'" / "(" / ")"
+//             / "*" / "+" / "," / ";" / "="
+static bool QT_FASTCALL _subDelims(const char **ptr)
+{
+    char ch = **ptr;
+    switch (ch) {
+    case '!': case '$': case '&': case '\'':
+    case '(': case ')': case '*': case '+':
+    case ',': case ';': case '=':
+        ++(*ptr);
+        return true;
+    default:
+        return false;
+    }
+}
+
+// unreserved  = ALPHA / DIGIT / "-" / "." / "_" / "~"
+static bool QT_FASTCALL _unreserved(const char **ptr)
+{
+    char ch = **ptr;
+    if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')
+        || (ch >= '0' && ch <= '9')
+        || ch == '-' || ch == '.' || ch == '_' || ch == '~') {
+        ++(*ptr);
+        return true;
+    } 
+    return false;
+}
+
+// scheme      = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
+static void QT_FASTCALL _scheme(const char **ptr, QUrlParseData *parseData)
+{
+    bool first = true;
+
+    parseData->scheme = *ptr;
+    for (;;) {
+        char ch = **ptr;
+        if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) {
+            ;
+        } else if (!first && ((ch >= '0' && ch <= '9') || ch == '+' || ch == '-' || ch == '.')) {
+            ;
+        } else {
+            break;
+        }
+
+        ++(*ptr);
+        first = false;
+    }
+
+    if (**ptr != ':') {
+        *ptr = parseData->scheme;
+    } else {
+        parseData->schemeLength = *ptr - parseData->scheme;
+        ++(*ptr); // skip ':'
+    }
+}
+
+// IPvFuture  = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" )
+static bool QT_FASTCALL _IPvFuture(const char **ptr)
+{
+    if (**ptr != 'v')
+        return false;
+
+    const char *ptrBackup = *ptr;
+    ++(*ptr);
+    
+    if (!_HEXDIG(ptr)) {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+    while (_HEXDIG(ptr))
+        ;
+
+    if (**ptr != '.') {
+        *ptr = ptrBackup;
+        return false;
+    }
+    ++(*ptr);
+
+    if (!_unreserved(ptr) && !_subDelims(ptr) && *((*ptr)++) != ':') {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+
+    while (_unreserved(ptr) || _subDelims(ptr) || *((*ptr)++) == ':')
+        ;
+
+    return true;
+}
+
+// h16         = 1*4HEXDIG
+//             ; 16 bits of address represented in hexadecimal
+static bool QT_FASTCALL _h16(const char **ptr)
+{
+    int i = 0;
+    for (; i < 4; ++i) {
+        if (!_HEXDIG(ptr))
+            break;
+    }
+    return (i != 0);
+}
+
+// dec-octet   = DIGIT                 ; 0-9
+//             / %x31-39 DIGIT         ; 10-99
+//             / "1" 2DIGIT            ; 100-199
+//             / "2" %x30-34 DIGIT     ; 200-249
+//             / "25" %x30-35          ; 250-255
+static bool QT_FASTCALL _decOctet(const char **ptr)
+{
+    const char *ptrBackup = *ptr;
+    char c1 = **ptr;
+
+    if (c1 < '0' || c1 > '9') 
+        return false;
+
+    ++(*ptr);
+
+    if (c1 == '0')
+        return true;
+
+    char c2 = **ptr;
+
+    if (c2 < '0' || c2 > '9')
+        return true;
+
+    ++(*ptr);
+
+    char c3 = **ptr;
+    if (c3 < '0' || c3 > '9')
+        return true;
+
+    // If there is a three digit number larger than 255, reject the
+    // whole token.
+    if (c1 >= '2' && c2 >= '5' && c3 > '5') {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+    ++(*ptr);
+
+    return true;
+}
+
+// IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet
+static bool QT_FASTCALL _IPv4Address(const char **ptr)
+{
+    const char *ptrBackup = *ptr;
+
+    if (!_decOctet(ptr)) {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+    for (int i = 0; i < 3; ++i) {
+        char ch = *((*ptr)++);
+        if (ch != '.') {
+            *ptr = ptrBackup;
+            return false;
+        }
+
+        if (!_decOctet(ptr)) {
+            *ptr = ptrBackup;
+            return false;
+        }
+    }
+
+    return true;
+}
+
+// ls32        = ( h16 ":" h16 ) / IPv4address
+//             ; least-significant 32 bits of address
+static bool QT_FASTCALL _ls32(const char **ptr)
+{
+    const char *ptrBackup = *ptr;
+    if (_h16(ptr) && *((*ptr)++) == ':' && _h16(ptr)) 
+        return true;
+
+    *ptr = ptrBackup;
+    return _IPv4Address(ptr);
+}
+
+// IPv6address =                            6( h16 ":" ) ls32 // case 1
+//             /                       "::" 5( h16 ":" ) ls32 // case 2
+//             / [               h16 ] "::" 4( h16 ":" ) ls32 // case 3
+//             / [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32 // case 4
+//             / [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32 // case 5
+//             / [ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32 // case 6
+//             / [ *4( h16 ":" ) h16 ] "::"              ls32 // case 7
+//             / [ *5( h16 ":" ) h16 ] "::"              h16  // case 8
+//             / [ *6( h16 ":" ) h16 ] "::"                   // case 9
+static bool QT_FASTCALL _IPv6Address(const char **ptr)
+{
+    const char *ptrBackup = *ptr;
+
+    // count of (h16 ":") to the left of and including ::
+    int leftHexColons = 0;
+    // count of (h16 ":") to the right of ::
+    int rightHexColons = 0;
+
+    // first count the number of (h16 ":") on the left of ::
+    while (_h16(ptr)) {
+
+        // an h16 not followed by a colon is considered an
+        // error.
+        if (**ptr != ':') {
+            *ptr = ptrBackup;
+            return false;
+        }
+        ++(*ptr);
+        ++leftHexColons;
+
+        // check for case 1, the only time when there can be no ::
+        if (leftHexColons == 6 && _ls32(ptr)) {
+            return true;
+        }
+    }
+
+    // check for case 2 where the address starts with a :
+    if (leftHexColons == 0 && *((*ptr)++) != ':') {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+    // check for the second colon in ::
+    if (*((*ptr)++) != ':') {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+    int canBeCase = -1;
+    bool ls32WasRead = false;
+
+    const char *tmpBackup = *ptr;
+
+    // count the number of (h16 ":") on the right of ::
+    for (;;) {
+        tmpBackup = *ptr;
+        if (!_h16(ptr)) {
+            if (!_ls32(ptr)) {
+                if (rightHexColons != 0) {
+                    *ptr = ptrBackup;
+                    return false;
+                }
+
+                // the address ended with :: (case 9)
+                // only valid if 1 <= leftHexColons <= 7
+                canBeCase = 9;
+            } else {
+                ls32WasRead = true;
+            }
+            break;
+        }
+        ++rightHexColons;
+        if (**ptr != ':') {
+            // no colon could mean that what was read as an h16
+            // was in fact the first part of an ls32. we backtrack
+            // and retry.
+            const char *pb = *ptr;
+            *ptr = tmpBackup;
+            if (_ls32(ptr)) {
+                ls32WasRead = true;
+                --rightHexColons;
+            } else {
+                *ptr = pb;
+                // address ends with only 1 h16 after :: (case 8)
+                if (rightHexColons == 1)
+                    canBeCase = 8;
+            }
+            break;
+        }
+        ++(*ptr);
+    }
+
+    // determine which case it is based on the number of rightHexColons
+    if (canBeCase == -1) {
+
+        // check if a ls32 was read. If it wasn't and rightHexColons >= 2 then the
+        // last 2 HexColons are in fact a ls32
+        if (!ls32WasRead && rightHexColons >= 2)
+            rightHexColons -= 2;
+
+        canBeCase = 7 - rightHexColons;
+    }
+
+    // based on the case we need to check that the number of leftHexColons is valid
+    if (leftHexColons > (canBeCase - 2)) {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+    return true;
+}
+
+// IP-literal = "[" ( IPv6address / IPvFuture  ) "]"
+static bool QT_FASTCALL _IPLiteral(const char **ptr)
+{
+    const char *ptrBackup = *ptr;
+    if (**ptr != '[')
+        return false;
+    ++(*ptr);
+
+    if (!_IPv6Address(ptr) && !_IPvFuture(ptr)) {
+        *ptr = ptrBackup;
+        return false;
+    }
+
+    if (**ptr != ']') {
+        *ptr = ptrBackup;
+        return false;
+    }
+    ++(*ptr);
+
+    return true;
+}
+
+// reg-name    = *( unreserved / pct-encoded / sub-delims )
+static void QT_FASTCALL _regName(const char **ptr)
+{
+    for (;;) {
+        if (!_unreserved(ptr) && !_subDelims(ptr)) {
+            if (!_pctEncoded(ptr))
+                break;
+        }
+    }
+}
+
+// host        = IP-literal / IPv4address / reg-name
+static void QT_FASTCALL _host(const char **ptr, QUrlParseData *parseData)
+{
+    parseData->host = *ptr;
+    if (!_IPLiteral(ptr)) {
+        if (_IPv4Address(ptr)) {
+            char ch = **ptr;
+            if (ch && ch != ':' && ch != '/') {
+                // reset
+                *ptr = parseData->host;
+                _regName(ptr);
+            }
+        } else {
+            _regName(ptr);
+        }
+    }
+    parseData->hostLength = *ptr - parseData->host;
+}
+
+// userinfo    = *( unreserved / pct-encoded / sub-delims / ":" )
+static void QT_FASTCALL _userInfo(const char **ptr, QUrlParseData *parseData)
+{
+    parseData->userInfo = *ptr;
+    for (;;) {
+        if (_unreserved(ptr) || _subDelims(ptr)) {
+            ;
+        } else {
+            if (_pctEncoded(ptr)) {
+                ;
+            } else if (**ptr == ':') {
+                parseData->userInfoDelimIndex = *ptr - parseData->userInfo;
+                ++(*ptr);
+            } else {
+                break;
+            }
+        }
+    }
+    if (**ptr != '@') {
+        *ptr = parseData->userInfo;
+        parseData->userInfoDelimIndex = -1;
+        return;
+    }
+    parseData->userInfoLength = *ptr - parseData->userInfo;
+    ++(*ptr);
+}
+
+// port        = *DIGIT
+static void QT_FASTCALL _port(const char **ptr, int *port)
+{
+    bool first = true;
+
+    for (;;) {
+        const char *ptrBackup = *ptr;
+        char ch = *((*ptr)++);
+        if (ch < '0' || ch > '9') {
+            *ptr = ptrBackup;
+            break;
+        }
+
+        if (first) {
+            first = false;
+            *port = 0;
+        }
+
+        *port *= 10;
+        *port += ch - '0';
+    }
+}
+
+// authority   = [ userinfo "@" ] host [ ":" port ]
+static void QT_FASTCALL _authority(const char **ptr, QUrlParseData *parseData)
+{
+    _userInfo(ptr, parseData);
+    _host(ptr, parseData);
+
+    if (**ptr != ':') 
+        return;
+
+    ++(*ptr);
+    _port(ptr, &parseData->port);
+}
+
+// pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
+static bool QT_FASTCALL _pchar(const char **ptr)
+{
+    char c = *(*ptr);
+
+    switch (c) {
+    case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
+    case '+': case ',': case ';': case '=': case ':': case '@':
+    case '-': case '.': case '_': case '~':
+        ++(*ptr);
+        return true;
+    default:
+        break;
+    };
+
+    if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9')) {
+        ++(*ptr);
+        return true;
+    }
+
+    if (_pctEncoded(ptr))
+        return true;
+
+    return false;
+}
+
+// segment       = *pchar
+static bool QT_FASTCALL _segmentNZ(const char **ptr)
+{
+    if (!_pchar(ptr))
+        return false;
+
+    while(_pchar(ptr))
+        ;
+
+    return true;
+}
+
+// path-abempty  = *( "/" segment )
+static void QT_FASTCALL _pathAbEmpty(const char **ptr)
+{
+    for (;;) {
+        if (**ptr != '/') 
+            break;
+        ++(*ptr);
+
+        while (_pchar(ptr))
+            ;
+    }
+}
+
+// path-abs      = "/" [ segment-nz *( "/" segment ) ]
+static bool QT_FASTCALL _pathAbs(const char **ptr)
+{
+    // **ptr == '/' already checked in caller
+    ++(*ptr);
+
+    // we might be able to unnest this to gain some performance.
+    if (!_segmentNZ(ptr))
+        return true;
+
+    _pathAbEmpty(ptr);
+
+    return true;
+}
+
+// path-rootless = segment-nz *( "/" segment )
+static bool QT_FASTCALL _pathRootless(const char **ptr)
+{
+    // we might be able to unnest this to gain some performance.
+    if (!_segmentNZ(ptr))
+        return false;
+
+    _pathAbEmpty(ptr);
+
+    return true;
+}
+
+
+// hier-part   = "//" authority path-abempty
+//             / path-abs
+//             / path-rootless
+//             / path-empty
+static void QT_FASTCALL _hierPart(const char **ptr, QUrlParseData *parseData)
+{
+    const char *ptrBackup = *ptr;
+    const char *pathStart = 0;
+    if (*((*ptr)++) == '/' && *((*ptr)++) == '/') {
+        _authority(ptr, parseData);
+        pathStart = *ptr;
+        _pathAbEmpty(ptr);
+    } else {
+        *ptr = ptrBackup;
+        pathStart = *ptr;
+        if (**ptr == '/')
+            _pathAbs(ptr);
+        else
+            _pathRootless(ptr);
+    }
+    parseData->path = pathStart;
+    parseData->pathLength = *ptr - pathStart;
+}
+
+// query       = *( pchar / "/" / "?" )
+static void QT_FASTCALL _query(const char **ptr, QUrlParseData *parseData)
+{
+    parseData->query = *ptr;
+    for (;;) {
+        if (_pchar(ptr)) {
+            ;
+        } else if (**ptr == '/' || **ptr == '?') {
+            ++(*ptr);
+        } else {
+            break;
+        }
+    }
+    parseData->queryLength = *ptr - parseData->query;
+}
+
+// fragment    = *( pchar / "/" / "?" )
+static void QT_FASTCALL _fragment(const char **ptr, QUrlParseData *parseData)
+{
+    parseData->fragment = *ptr;
+    for (;;) {
+        if (_pchar(ptr)) {
+            ;
+        } else if (**ptr == '/' || **ptr == '?' || **ptr == '#') {
+            ++(*ptr);
+        } else {
+            break;
+        }
+    }
+    parseData->fragmentLength = *ptr - parseData->fragment;
+}
+
+struct NameprepCaseFoldingEntry {
+    int uc;
+    ushort mapping[4];
+};
+
+inline bool operator<(int one, const NameprepCaseFoldingEntry &other)
+{ return one < other.uc; }
+
+inline bool operator<(const NameprepCaseFoldingEntry &one, int other)
+{ return one.uc < other; }
+
+static const NameprepCaseFoldingEntry NameprepCaseFolding[] = {
+/*	{ 0x0041, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0042, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0043, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0044, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0045, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0046, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0047, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0048, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0049, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x004A, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x004B, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x004C, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x004D, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x004E, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x004F, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0050, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0051, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0052, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0053, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0054, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0055, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0056, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0057, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0058, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0059, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x005A, { 0x007A, 0x0000, 0x0000, 0x0000 } },*/
+	{ 0x00B5, { 0x03BC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C0, { 0x00E0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C1, { 0x00E1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C2, { 0x00E2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C3, { 0x00E3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C4, { 0x00E4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C5, { 0x00E5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C6, { 0x00E6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C7, { 0x00E7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C8, { 0x00E8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00C9, { 0x00E9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00CA, { 0x00EA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00CB, { 0x00EB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00CC, { 0x00EC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00CD, { 0x00ED, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00CE, { 0x00EE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00CF, { 0x00EF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D0, { 0x00F0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D1, { 0x00F1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D2, { 0x00F2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D3, { 0x00F3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D4, { 0x00F4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D5, { 0x00F5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D6, { 0x00F6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D8, { 0x00F8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00D9, { 0x00F9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00DA, { 0x00FA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00DB, { 0x00FB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00DC, { 0x00FC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00DD, { 0x00FD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00DE, { 0x00FE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x00DF, { 0x0073, 0x0073, 0x0000, 0x0000 } },
+	{ 0x0100, { 0x0101, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0102, { 0x0103, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0104, { 0x0105, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0106, { 0x0107, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0108, { 0x0109, 0x0000, 0x0000, 0x0000 } },
+	{ 0x010A, { 0x010B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x010C, { 0x010D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x010E, { 0x010F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0110, { 0x0111, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0112, { 0x0113, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0114, { 0x0115, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0116, { 0x0117, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0118, { 0x0119, 0x0000, 0x0000, 0x0000 } },
+	{ 0x011A, { 0x011B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x011C, { 0x011D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x011E, { 0x011F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0120, { 0x0121, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0122, { 0x0123, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0124, { 0x0125, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0126, { 0x0127, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0128, { 0x0129, 0x0000, 0x0000, 0x0000 } },
+	{ 0x012A, { 0x012B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x012C, { 0x012D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x012E, { 0x012F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0130, { 0x0069, 0x0307, 0x0000, 0x0000 } },
+	{ 0x0132, { 0x0133, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0134, { 0x0135, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0136, { 0x0137, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0139, { 0x013A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x013B, { 0x013C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x013D, { 0x013E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x013F, { 0x0140, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0141, { 0x0142, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0143, { 0x0144, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0145, { 0x0146, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0147, { 0x0148, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0149, { 0x02BC, 0x006E, 0x0000, 0x0000 } },
+	{ 0x014A, { 0x014B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x014C, { 0x014D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x014E, { 0x014F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0150, { 0x0151, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0152, { 0x0153, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0154, { 0x0155, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0156, { 0x0157, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0158, { 0x0159, 0x0000, 0x0000, 0x0000 } },
+	{ 0x015A, { 0x015B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x015C, { 0x015D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x015E, { 0x015F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0160, { 0x0161, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0162, { 0x0163, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0164, { 0x0165, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0166, { 0x0167, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0168, { 0x0169, 0x0000, 0x0000, 0x0000 } },
+	{ 0x016A, { 0x016B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x016C, { 0x016D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x016E, { 0x016F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0170, { 0x0171, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0172, { 0x0173, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0174, { 0x0175, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0176, { 0x0177, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0178, { 0x00FF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0179, { 0x017A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x017B, { 0x017C, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x0198, { 0x0199, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x019F, { 0x0275, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x01A2, { 0x01A3, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x01A6, { 0x0280, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01A7, { 0x01A8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01A9, { 0x0283, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x01B2, { 0x028B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01B3, { 0x01B4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01B5, { 0x01B6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01B7, { 0x0292, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01B8, { 0x01B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01BC, { 0x01BD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01C4, { 0x01C6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01C5, { 0x01C6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01C7, { 0x01C9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01C8, { 0x01C9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01CA, { 0x01CC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01CB, { 0x01CC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01CD, { 0x01CE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01CF, { 0x01D0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01D1, { 0x01D2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01D3, { 0x01D4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01D5, { 0x01D6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01D7, { 0x01D8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01D9, { 0x01DA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01DB, { 0x01DC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01DE, { 0x01DF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01E0, { 0x01E1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01E2, { 0x01E3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01E4, { 0x01E5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01E6, { 0x01E7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01E8, { 0x01E9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01EA, { 0x01EB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01EC, { 0x01ED, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01EE, { 0x01EF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01F0, { 0x006A, 0x030C, 0x0000, 0x0000 } },
+	{ 0x01F1, { 0x01F3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01F2, { 0x01F3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01F4, { 0x01F5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01F6, { 0x0195, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x01F8, { 0x01F9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01FA, { 0x01FB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01FC, { 0x01FD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x01FE, { 0x01FF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0200, { 0x0201, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x0204, { 0x0205, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0206, { 0x0207, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0208, { 0x0209, 0x0000, 0x0000, 0x0000 } },
+	{ 0x020A, { 0x020B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x020C, { 0x020D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x020E, { 0x020F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0210, { 0x0211, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0212, { 0x0213, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0214, { 0x0215, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0216, { 0x0217, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0218, { 0x0219, 0x0000, 0x0000, 0x0000 } },
+	{ 0x021A, { 0x021B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x021C, { 0x021D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x021E, { 0x021F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0220, { 0x019E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0222, { 0x0223, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0224, { 0x0225, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0226, { 0x0227, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0228, { 0x0229, 0x0000, 0x0000, 0x0000 } },
+	{ 0x022A, { 0x022B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x022C, { 0x022D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x022E, { 0x022F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0230, { 0x0231, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0232, { 0x0233, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0345, { 0x03B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x037A, { 0x0020, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x0386, { 0x03AC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0388, { 0x03AD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0389, { 0x03AE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x038A, { 0x03AF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x038C, { 0x03CC, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x0390, { 0x03B9, 0x0308, 0x0301, 0x0000 } },
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+	{ 0x0392, { 0x03B2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0393, { 0x03B3, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x0398, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x03D3, { 0x03CD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x03D4, { 0x03CB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x03D5, { 0x03C6, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x03D8, { 0x03D9, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x03E2, { 0x03E3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x03E4, { 0x03E5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x03E6, { 0x03E7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x03E8, { 0x03E9, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x03F1, { 0x03C1, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x0401, { 0x0451, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0402, { 0x0452, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0403, { 0x0453, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0404, { 0x0454, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0405, { 0x0455, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0406, { 0x0456, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0407, { 0x0457, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0408, { 0x0458, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0409, { 0x0459, 0x0000, 0x0000, 0x0000 } },
+	{ 0x040A, { 0x045A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x040B, { 0x045B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x040C, { 0x045C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x040D, { 0x045D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x040E, { 0x045E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x040F, { 0x045F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0410, { 0x0430, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0411, { 0x0431, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0412, { 0x0432, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0413, { 0x0433, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0414, { 0x0434, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0415, { 0x0435, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0416, { 0x0436, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0417, { 0x0437, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0418, { 0x0438, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0419, { 0x0439, 0x0000, 0x0000, 0x0000 } },
+	{ 0x041A, { 0x043A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x041B, { 0x043B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x041C, { 0x043C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x041D, { 0x043D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x041E, { 0x043E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x041F, { 0x043F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0420, { 0x0440, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0421, { 0x0441, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0422, { 0x0442, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0423, { 0x0443, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0424, { 0x0444, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0425, { 0x0445, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0426, { 0x0446, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0427, { 0x0447, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0428, { 0x0448, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0429, { 0x0449, 0x0000, 0x0000, 0x0000 } },
+	{ 0x042A, { 0x044A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x042B, { 0x044B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x042C, { 0x044C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x042D, { 0x044D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x042E, { 0x044E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x042F, { 0x044F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0460, { 0x0461, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0462, { 0x0463, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0464, { 0x0465, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0466, { 0x0467, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0468, { 0x0469, 0x0000, 0x0000, 0x0000 } },
+	{ 0x046A, { 0x046B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x046C, { 0x046D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x046E, { 0x046F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0470, { 0x0471, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0472, { 0x0473, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0474, { 0x0475, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0476, { 0x0477, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0478, { 0x0479, 0x0000, 0x0000, 0x0000 } },
+	{ 0x047A, { 0x047B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x047C, { 0x047D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x047E, { 0x047F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0480, { 0x0481, 0x0000, 0x0000, 0x0000 } },
+	{ 0x048A, { 0x048B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x048C, { 0x048D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x048E, { 0x048F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0490, { 0x0491, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0492, { 0x0493, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0494, { 0x0495, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0496, { 0x0497, 0x0000, 0x0000, 0x0000 } },
+	{ 0x0498, { 0x0499, 0x0000, 0x0000, 0x0000 } },
+	{ 0x049A, { 0x049B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x049C, { 0x049D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x049E, { 0x049F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04A0, { 0x04A1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04A2, { 0x04A3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04A4, { 0x04A5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04A6, { 0x04A7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04A8, { 0x04A9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04AA, { 0x04AB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04AC, { 0x04AD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04AE, { 0x04AF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04B0, { 0x04B1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04B2, { 0x04B3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04B4, { 0x04B5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04B6, { 0x04B7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04B8, { 0x04B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04BA, { 0x04BB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04BC, { 0x04BD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04BE, { 0x04BF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04C1, { 0x04C2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04C3, { 0x04C4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04C5, { 0x04C6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04C7, { 0x04C8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04C9, { 0x04CA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04CB, { 0x04CC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04CD, { 0x04CE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04D0, { 0x04D1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04D2, { 0x04D3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04D4, { 0x04D5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04D6, { 0x04D7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04D8, { 0x04D9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04DA, { 0x04DB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04DC, { 0x04DD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04DE, { 0x04DF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04E0, { 0x04E1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04E2, { 0x04E3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04E4, { 0x04E5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04E6, { 0x04E7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04E8, { 0x04E9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04EA, { 0x04EB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04EC, { 0x04ED, 0x0000, 0x0000, 0x0000 } },
+	{ 0x04EE, { 0x04EF, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1F9C, { 0x1F24, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1F9D, { 0x1F25, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1F9E, { 0x1F26, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1F9F, { 0x1F27, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA0, { 0x1F60, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA1, { 0x1F61, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA2, { 0x1F62, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA3, { 0x1F63, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA4, { 0x1F64, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA5, { 0x1F65, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA6, { 0x1F66, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA7, { 0x1F67, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA8, { 0x1F60, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FA9, { 0x1F61, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FAA, { 0x1F62, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FAB, { 0x1F63, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FAC, { 0x1F64, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FAD, { 0x1F65, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FAE, { 0x1F66, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FAF, { 0x1F67, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FB2, { 0x1F70, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FB3, { 0x03B1, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FB4, { 0x03AC, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FB6, { 0x03B1, 0x0342, 0x0000, 0x0000 } },
+	{ 0x1FB7, { 0x03B1, 0x0342, 0x03B9, 0x0000 } },
+	{ 0x1FB8, { 0x1FB0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FB9, { 0x1FB1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FBA, { 0x1F70, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FBB, { 0x1F71, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FBC, { 0x03B1, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FBE, { 0x03B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FC2, { 0x1F74, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FC3, { 0x03B7, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FC4, { 0x03AE, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FC6, { 0x03B7, 0x0342, 0x0000, 0x0000 } },
+	{ 0x1FC7, { 0x03B7, 0x0342, 0x03B9, 0x0000 } },
+	{ 0x1FC8, { 0x1F72, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FC9, { 0x1F73, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FCA, { 0x1F74, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FCB, { 0x1F75, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FCC, { 0x03B7, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FD2, { 0x03B9, 0x0308, 0x0300, 0x0000 } },
+	{ 0x1FD3, { 0x03B9, 0x0308, 0x0301, 0x0000 } },
+	{ 0x1FD6, { 0x03B9, 0x0342, 0x0000, 0x0000 } },
+	{ 0x1FD7, { 0x03B9, 0x0308, 0x0342, 0x0000 } },
+	{ 0x1FD8, { 0x1FD0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FD9, { 0x1FD1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FDA, { 0x1F76, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FDB, { 0x1F77, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FE2, { 0x03C5, 0x0308, 0x0300, 0x0000 } },
+	{ 0x1FE3, { 0x03C5, 0x0308, 0x0301, 0x0000 } },
+	{ 0x1FE4, { 0x03C1, 0x0313, 0x0000, 0x0000 } },
+	{ 0x1FE6, { 0x03C5, 0x0342, 0x0000, 0x0000 } },
+	{ 0x1FE7, { 0x03C5, 0x0308, 0x0342, 0x0000 } },
+	{ 0x1FE8, { 0x1FE0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FE9, { 0x1FE1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FEA, { 0x1F7A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FEB, { 0x1F7B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FEC, { 0x1FE5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FF2, { 0x1F7C, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FF3, { 0x03C9, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FF4, { 0x03CE, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x1FF6, { 0x03C9, 0x0342, 0x0000, 0x0000 } },
+	{ 0x1FF7, { 0x03C9, 0x0342, 0x03B9, 0x0000 } },
+	{ 0x1FF8, { 0x1F78, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FF9, { 0x1F79, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FFA, { 0x1F7C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FFB, { 0x1F7D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1FFC, { 0x03C9, 0x03B9, 0x0000, 0x0000 } },
+	{ 0x20A8, { 0x0072, 0x0073, 0x0000, 0x0000 } },
+	{ 0x2102, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2103, { 0x00B0, 0x0063, 0x0000, 0x0000 } },
+	{ 0x2107, { 0x025B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2109, { 0x00B0, 0x0066, 0x0000, 0x0000 } },
+	{ 0x210B, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x210C, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x210D, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2110, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2111, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2112, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2115, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2116, { 0x006E, 0x006F, 0x0000, 0x0000 } },
+	{ 0x2119, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x211A, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x211B, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x211C, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x211D, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2120, { 0x0073, 0x006D, 0x0000, 0x0000 } },
+	{ 0x2121, { 0x0074, 0x0065, 0x006C, 0x0000 } },
+	{ 0x2122, { 0x0074, 0x006D, 0x0000, 0x0000 } },
+	{ 0x2124, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2126, { 0x03C9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2128, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x212A, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x212B, { 0x00E5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x212C, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x212D, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2130, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2131, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2133, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x213E, { 0x03B3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x213F, { 0x03C0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2145, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2160, { 0x2170, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2161, { 0x2171, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2162, { 0x2172, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2163, { 0x2173, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2164, { 0x2174, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2165, { 0x2175, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2166, { 0x2176, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2167, { 0x2177, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2168, { 0x2178, 0x0000, 0x0000, 0x0000 } },
+	{ 0x2169, { 0x2179, 0x0000, 0x0000, 0x0000 } },
+	{ 0x216A, { 0x217A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x216B, { 0x217B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x216C, { 0x217C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x216D, { 0x217D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x216E, { 0x217E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x216F, { 0x217F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24B6, { 0x24D0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24B7, { 0x24D1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24B8, { 0x24D2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24B9, { 0x24D3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24BA, { 0x24D4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24BB, { 0x24D5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24BC, { 0x24D6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24BD, { 0x24D7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24BE, { 0x24D8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24BF, { 0x24D9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C0, { 0x24DA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C1, { 0x24DB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C2, { 0x24DC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C3, { 0x24DD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C4, { 0x24DE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C5, { 0x24DF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C6, { 0x24E0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C7, { 0x24E1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C8, { 0x24E2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24C9, { 0x24E3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24CA, { 0x24E4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24CB, { 0x24E5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24CC, { 0x24E6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24CD, { 0x24E7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24CE, { 0x24E8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x24CF, { 0x24E9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x3371, { 0x0068, 0x0070, 0x0061, 0x0000 } },
+	{ 0x3373, { 0x0061, 0x0075, 0x0000, 0x0000 } },
+	{ 0x3375, { 0x006F, 0x0076, 0x0000, 0x0000 } },
+	{ 0x3380, { 0x0070, 0x0061, 0x0000, 0x0000 } },
+	{ 0x3381, { 0x006E, 0x0061, 0x0000, 0x0000 } },
+	{ 0x3382, { 0x03BC, 0x0061, 0x0000, 0x0000 } },
+	{ 0x3383, { 0x006D, 0x0061, 0x0000, 0x0000 } },
+	{ 0x3384, { 0x006B, 0x0061, 0x0000, 0x0000 } },
+	{ 0x3385, { 0x006B, 0x0062, 0x0000, 0x0000 } },
+	{ 0x3386, { 0x006D, 0x0062, 0x0000, 0x0000 } },
+	{ 0x3387, { 0x0067, 0x0062, 0x0000, 0x0000 } },
+	{ 0x338A, { 0x0070, 0x0066, 0x0000, 0x0000 } },
+	{ 0x338B, { 0x006E, 0x0066, 0x0000, 0x0000 } },
+	{ 0x338C, { 0x03BC, 0x0066, 0x0000, 0x0000 } },
+	{ 0x3390, { 0x0068, 0x007A, 0x0000, 0x0000 } },
+	{ 0x3391, { 0x006B, 0x0068, 0x007A, 0x0000 } },
+	{ 0x3392, { 0x006D, 0x0068, 0x007A, 0x0000 } },
+	{ 0x3393, { 0x0067, 0x0068, 0x007A, 0x0000 } },
+	{ 0x3394, { 0x0074, 0x0068, 0x007A, 0x0000 } },
+	{ 0x33A9, { 0x0070, 0x0061, 0x0000, 0x0000 } },
+	{ 0x33AA, { 0x006B, 0x0070, 0x0061, 0x0000 } },
+	{ 0x33AB, { 0x006D, 0x0070, 0x0061, 0x0000 } },
+	{ 0x33AC, { 0x0067, 0x0070, 0x0061, 0x0000 } },
+	{ 0x33B4, { 0x0070, 0x0076, 0x0000, 0x0000 } },
+	{ 0x33B5, { 0x006E, 0x0076, 0x0000, 0x0000 } },
+	{ 0x33B6, { 0x03BC, 0x0076, 0x0000, 0x0000 } },
+	{ 0x33B7, { 0x006D, 0x0076, 0x0000, 0x0000 } },
+	{ 0x33B8, { 0x006B, 0x0076, 0x0000, 0x0000 } },
+	{ 0x33B9, { 0x006D, 0x0076, 0x0000, 0x0000 } },
+	{ 0x33BA, { 0x0070, 0x0077, 0x0000, 0x0000 } },
+	{ 0x33BB, { 0x006E, 0x0077, 0x0000, 0x0000 } },
+	{ 0x33BC, { 0x03BC, 0x0077, 0x0000, 0x0000 } },
+	{ 0x33BD, { 0x006D, 0x0077, 0x0000, 0x0000 } },
+	{ 0x33BE, { 0x006B, 0x0077, 0x0000, 0x0000 } },
+	{ 0x33BF, { 0x006D, 0x0077, 0x0000, 0x0000 } },
+	{ 0x33C0, { 0x006B, 0x03C9, 0x0000, 0x0000 } },
+	{ 0x33C1, { 0x006D, 0x03C9, 0x0000, 0x0000 } },
+	{ 0x33C3, { 0x0062, 0x0071, 0x0000, 0x0000 } },
+	{ 0x33C6, { 0x0063, 0x2215, 0x006B, 0x0067 } },
+	{ 0x33C7, { 0x0063, 0x006F, 0x002E, 0x0000 } },
+	{ 0x33C8, { 0x0064, 0x0062, 0x0000, 0x0000 } },
+	{ 0x33C9, { 0x0067, 0x0079, 0x0000, 0x0000 } },
+	{ 0x33CB, { 0x0068, 0x0070, 0x0000, 0x0000 } },
+	{ 0x33CD, { 0x006B, 0x006B, 0x0000, 0x0000 } },
+	{ 0x33CE, { 0x006B, 0x006D, 0x0000, 0x0000 } },
+	{ 0x33D7, { 0x0070, 0x0068, 0x0000, 0x0000 } },
+	{ 0x33D9, { 0x0070, 0x0070, 0x006D, 0x0000 } },
+	{ 0x33DA, { 0x0070, 0x0072, 0x0000, 0x0000 } },
+	{ 0x33DC, { 0x0073, 0x0076, 0x0000, 0x0000 } },
+	{ 0x33DD, { 0x0077, 0x0062, 0x0000, 0x0000 } },
+	{ 0xFB00, { 0x0066, 0x0066, 0x0000, 0x0000 } },
+	{ 0xFB01, { 0x0066, 0x0069, 0x0000, 0x0000 } },
+	{ 0xFB02, { 0x0066, 0x006C, 0x0000, 0x0000 } },
+	{ 0xFB03, { 0x0066, 0x0066, 0x0069, 0x0000 } },
+	{ 0xFB04, { 0x0066, 0x0066, 0x006C, 0x0000 } },
+	{ 0xFB05, { 0x0073, 0x0074, 0x0000, 0x0000 } },
+	{ 0xFB06, { 0x0073, 0x0074, 0x0000, 0x0000 } },
+	{ 0xFB13, { 0x0574, 0x0576, 0x0000, 0x0000 } },
+	{ 0xFB14, { 0x0574, 0x0565, 0x0000, 0x0000 } },
+	{ 0xFB15, { 0x0574, 0x056B, 0x0000, 0x0000 } },
+	{ 0xFB16, { 0x057E, 0x0576, 0x0000, 0x0000 } },
+	{ 0xFB17, { 0x0574, 0x056D, 0x0000, 0x0000 } },
+	{ 0xFF21, { 0xFF41, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF22, { 0xFF42, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF23, { 0xFF43, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF24, { 0xFF44, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF25, { 0xFF45, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF26, { 0xFF46, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF27, { 0xFF47, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF28, { 0xFF48, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF29, { 0xFF49, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF2A, { 0xFF4A, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF2B, { 0xFF4B, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF2C, { 0xFF4C, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF2D, { 0xFF4D, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF2E, { 0xFF4E, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF2F, { 0xFF4F, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF30, { 0xFF50, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF31, { 0xFF51, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF32, { 0xFF52, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF33, { 0xFF53, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF34, { 0xFF54, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF35, { 0xFF55, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF36, { 0xFF56, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF37, { 0xFF57, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF38, { 0xFF58, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF39, { 0xFF59, 0x0000, 0x0000, 0x0000 } },
+	{ 0xFF3A, { 0xFF5A, 0x0000, 0x0000, 0x0000 } },
+        // #####
+/*	{ 0x10400, { 0x10428, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10401, { 0x10429, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10402, { 0x1042A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10403, { 0x1042B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10404, { 0x1042C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10405, { 0x1042D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10406, { 0x1042E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10407, { 0x1042F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10408, { 0x10430, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10409, { 0x10431, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1040A, { 0x10432, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1040B, { 0x10433, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1040C, { 0x10434, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1040D, { 0x10435, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1040E, { 0x10436, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1040F, { 0x10437, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10410, { 0x10438, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10411, { 0x10439, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10412, { 0x1043A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10413, { 0x1043B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10414, { 0x1043C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10415, { 0x1043D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10416, { 0x1043E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10417, { 0x1043F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10418, { 0x10440, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10419, { 0x10441, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1041A, { 0x10442, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1041B, { 0x10443, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1041C, { 0x10444, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1041D, { 0x10445, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1041E, { 0x10446, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1041F, { 0x10447, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10420, { 0x10448, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10421, { 0x10449, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10422, { 0x1044A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10423, { 0x1044B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10424, { 0x1044C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x10425, { 0x1044D, 0x0000, 0x0000, 0x0000 } },*/
+	{ 0x1D400, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D401, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D402, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D403, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D404, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D405, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D406, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D407, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D408, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D409, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D40A, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D40B, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D40C, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D40D, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D40E, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D40F, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D410, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D411, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D412, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D413, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D414, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D415, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D416, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D417, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D418, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D419, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D434, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D435, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D436, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D437, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D438, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D439, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D43A, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D43B, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D43C, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D43D, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D43E, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D43F, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D440, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D441, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D442, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D443, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D444, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D445, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D446, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D447, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D448, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D449, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D44A, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D44B, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D44C, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D44D, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D468, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D469, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D46A, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D46B, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D46C, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D46D, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D46E, { 0x0067, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D470, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D471, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D472, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D473, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D474, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D475, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D476, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D477, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D478, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D479, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D47A, { 0x0073, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D47C, { 0x0075, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D480, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D481, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D49C, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D49E, { 0x0063, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D4A6, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4A9, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4AA, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4AB, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4AC, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4AE, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4AF, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4B0, { 0x0075, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D4B2, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4B3, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4B4, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4B5, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D0, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D1, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D2, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D3, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D4, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D5, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D6, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D7, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D8, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4D9, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4DA, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4DB, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4DC, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4DD, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4DE, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4DF, { 0x0070, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D4E2, { 0x0073, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D4E7, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4E8, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D4E9, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D504, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D505, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D507, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D508, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D509, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D50A, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D50D, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D50E, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D50F, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D510, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D511, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D512, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D513, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D514, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D516, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D517, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D518, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D519, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D51A, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D51B, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D51C, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D538, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D539, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D53B, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D53C, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D53D, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D53E, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D540, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D541, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D542, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D543, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D544, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D546, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D54A, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D54B, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D54C, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D54D, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D54E, { 0x0077, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D550, { 0x0079, 0x0000, 0x0000, 0x0000 } },
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+	{ 0x1D56E, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D56F, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D570, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D571, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D572, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D573, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D574, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D575, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D576, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D577, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D578, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D579, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D57A, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D57B, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D57C, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D57D, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D57E, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D57F, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D580, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D581, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D582, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D583, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D584, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D585, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A0, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A1, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A2, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A3, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A4, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A5, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A6, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A7, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A8, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5A9, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5AA, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5AB, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5AC, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5AD, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5AE, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5AF, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B0, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B1, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B2, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B3, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B4, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B5, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B6, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B7, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B8, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5B9, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5D4, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5D5, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5D6, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5D7, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5D8, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5D9, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5DA, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5DB, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5DC, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5DD, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5DE, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5DF, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E0, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E1, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E2, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E3, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E4, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E5, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E6, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E7, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E8, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5E9, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5EA, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5EB, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5EC, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D5ED, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D608, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D609, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D60A, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D60B, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D60C, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D60D, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D60E, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D60F, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D610, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D611, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D612, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D613, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D614, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D615, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D616, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D617, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D618, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D619, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D61A, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D61B, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D61C, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D61D, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D61E, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D61F, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D620, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D621, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D63C, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D63D, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D63E, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D63F, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D640, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D641, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D642, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D643, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D644, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D645, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D646, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D647, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D648, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D649, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D64A, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D64B, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D64C, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D64D, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D64E, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D64F, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D650, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D651, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D652, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D653, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D654, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D655, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D670, { 0x0061, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D671, { 0x0062, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D672, { 0x0063, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D673, { 0x0064, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D674, { 0x0065, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D675, { 0x0066, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D676, { 0x0067, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D677, { 0x0068, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D678, { 0x0069, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D679, { 0x006A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D67A, { 0x006B, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D67B, { 0x006C, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D67C, { 0x006D, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D67D, { 0x006E, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D67E, { 0x006F, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D67F, { 0x0070, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D680, { 0x0071, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D681, { 0x0072, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D682, { 0x0073, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D683, { 0x0074, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D684, { 0x0075, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D685, { 0x0076, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D686, { 0x0077, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D687, { 0x0078, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D688, { 0x0079, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D689, { 0x007A, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6A8, { 0x03B1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6A9, { 0x03B2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6AA, { 0x03B3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6AB, { 0x03B4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6AC, { 0x03B5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6AD, { 0x03B6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6AE, { 0x03B7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6AF, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B0, { 0x03B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B1, { 0x03BA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B2, { 0x03BB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B3, { 0x03BC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B4, { 0x03BD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B5, { 0x03BE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B6, { 0x03BF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B7, { 0x03C0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B8, { 0x03C1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6B9, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6BA, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6BB, { 0x03C4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6BC, { 0x03C5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6BD, { 0x03C6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6BE, { 0x03C7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6BF, { 0x03C8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6C0, { 0x03C9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6D3, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6E2, { 0x03B1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6E3, { 0x03B2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6E4, { 0x03B3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6E5, { 0x03B4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6E6, { 0x03B5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6E7, { 0x03B6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6E8, { 0x03B7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6E9, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6EA, { 0x03B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6EB, { 0x03BA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6EC, { 0x03BB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6ED, { 0x03BC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6EE, { 0x03BD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6EF, { 0x03BE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F0, { 0x03BF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F1, { 0x03C0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F2, { 0x03C1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F3, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F4, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F5, { 0x03C4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F6, { 0x03C5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F7, { 0x03C6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F8, { 0x03C7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6F9, { 0x03C8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D6FA, { 0x03C9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D70D, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D71C, { 0x03B1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D71D, { 0x03B2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D71E, { 0x03B3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D71F, { 0x03B4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D720, { 0x03B5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D721, { 0x03B6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D722, { 0x03B7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D723, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D724, { 0x03B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D725, { 0x03BA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D726, { 0x03BB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D727, { 0x03BC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D728, { 0x03BD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D729, { 0x03BE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D72A, { 0x03BF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D72B, { 0x03C0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D72C, { 0x03C1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D72D, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D72E, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D72F, { 0x03C4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D730, { 0x03C5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D731, { 0x03C6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D732, { 0x03C7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D733, { 0x03C8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D734, { 0x03C9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D747, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D756, { 0x03B1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D757, { 0x03B2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D758, { 0x03B3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D759, { 0x03B4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D75A, { 0x03B5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D75B, { 0x03B6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D75C, { 0x03B7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D75D, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D75E, { 0x03B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D75F, { 0x03BA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D760, { 0x03BB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D761, { 0x03BC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D762, { 0x03BD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D763, { 0x03BE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D764, { 0x03BF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D765, { 0x03C0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D766, { 0x03C1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D767, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D768, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D769, { 0x03C4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D76A, { 0x03C5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D76B, { 0x03C6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D76C, { 0x03C7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D76D, { 0x03C8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D76E, { 0x03C9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D781, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D790, { 0x03B1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D791, { 0x03B2, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D792, { 0x03B3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D793, { 0x03B4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D794, { 0x03B5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D795, { 0x03B6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D796, { 0x03B7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D797, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D798, { 0x03B9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D799, { 0x03BA, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D79A, { 0x03BB, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D79B, { 0x03BC, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D79C, { 0x03BD, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D79D, { 0x03BE, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D79E, { 0x03BF, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D79F, { 0x03C0, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A0, { 0x03C1, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A1, { 0x03B8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A2, { 0x03C3, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A3, { 0x03C4, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A4, { 0x03C5, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A5, { 0x03C6, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A6, { 0x03C7, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A7, { 0x03C8, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7A8, { 0x03C9, 0x0000, 0x0000, 0x0000 } },
+	{ 0x1D7BB, { 0x03C3, 0x0000, 0x0000, 0x0000 } }
+};
+
+static void mapToLowerCase(QString *str)
+{
+    int N = sizeof(NameprepCaseFolding) / sizeof(NameprepCaseFolding[0]);
+
+    QChar *d = 0;
+    for (int i = 0; i < str->size(); ++i) {
+        int uc = str->at(i).unicode();
+        if (uc < 0x80) {
+            if (uc <= 'Z' && uc >= 'A') {
+                uc |= 0x20;
+                if (!d)
+                    d = str->data();
+                d[i] = QChar(uc);
+            }
+        } else {
+            const NameprepCaseFoldingEntry *entry = qBinaryFind(NameprepCaseFolding,
+                                                                NameprepCaseFolding + N,
+                                                                uc);
+            if ((entry - NameprepCaseFolding) != N) {
+                int l = 1;
+                while (l < 4 && entry->mapping[l])
+                    ++l;
+                if (l > 1) {
+                    str->replace(i, 1, (const QChar *)&entry->mapping[0], l);
+                    d = 0;
+                } else {
+                    if (!d)
+                        d = str->data();
+                    d[i] = QChar(entry->mapping[0]);
+                }
+            }
+        }
+    }
+}
+
+static bool isMappedToNothing(const QChar &ch)
+{
+    if (ch.unicode() < 0xad)
+        return false;
+    switch (ch.unicode()) {
+    case 0x00AD: case 0x034F: case 0x1806: case 0x180B: case 0x180C: case 0x180D:
+    case 0x200B: case 0x200C: case 0x200D: case 0x2060: case 0xFE00: case 0xFE01:
+    case 0xFE02: case 0xFE03: case 0xFE04: case 0xFE05: case 0xFE06: case 0xFE07:
+    case 0xFE08: case 0xFE09: case 0xFE0A: case 0xFE0B: case 0xFE0C: case 0xFE0D:
+    case 0xFE0E: case 0xFE0F: case 0xFEFF:
+        return true;
+    default:
+        return false;
+    }
+}
+
+
+static void stripProhibitedOutput(QString *str)
+{
+    ushort *out = (ushort *)str->data(); 
+    const ushort *in = out;
+    const ushort *end = out + str->size();
+    while (in < end) {
+        ushort uc = *in;
+        if (uc < 0x80 ||
+            !(uc <= 0x009F
+            || uc == 0x00A0
+            || uc == 0x0340
+            || uc == 0x0341
+            || uc == 0x06DD
+            || uc == 0x070F
+            || uc == 0x1680
+            || uc == 0x180E
+            || (uc >= 0x2000 && uc <= 0x200B)
+            || uc == 0x200C
+            || uc == 0x200D
+            || uc == 0x200E
+            || uc == 0x200F
+            || (uc >= 0x2028 && uc <= 0x202F)
+            || uc == 0x205F
+            || (uc >= 0x2060 && uc <= 0x2063)
+            || uc == 0x206A
+            || (uc >= 0x206A && uc <= 0x206F)
+            || (uc >= 0x2FF0 && uc <= 0x2FFB)
+            || uc == 0x3000
+            || (uc >= 0xD800 && uc <= 0xDFFF)
+            || (uc >= 0xE000 && uc <= 0xF8FF)
+            || (uc >= 0xFDD0 && uc <= 0xFDEF)
+            || uc == 0xFEFF
+            || (uc >= 0xFFF9 && uc <= 0xFFFC)
+            || (uc >= 0xFFFA && (uc <= 0xFFFE || uc == 0xFFFF))
+              /* ### Add NAMEPREP support for surrogates
+            || uc == 0xE0001
+            || (uc >= 0x2FFFE && uc <= 0x2FFFF)
+            || (uc >= 0x1D173 && uc <= 0x1D17A)
+            || (uc >= 0x1FFFE && uc <= 0x1FFFF)
+            || (uc >= 0x3FFFE && uc <= 0x3FFFF)
+            || (uc >= 0x4FFFE && uc <= 0x4FFFF)
+            || (uc >= 0x5FFFE && uc <= 0x5FFFF)
+            || (uc >= 0x6FFFE && uc <= 0x6FFFF)
+            || (uc >= 0x7FFFE && uc <= 0x7FFFF)
+            || (uc >= 0x8FFFE && uc <= 0x8FFFF)
+            || (uc >= 0x9FFFE && uc <= 0x9FFFF)
+            || (uc >= 0xAFFFE && uc <= 0xAFFFF)
+            || (uc >= 0xBFFFE && uc <= 0xBFFFF)
+            || (uc >= 0xCFFFE && uc <= 0xCFFFF)
+            || (uc >= 0xDFFFE && uc <= 0xDFFFF)
+            || (uc >= 0xE0020 && uc <= 0xE007F)
+            || (uc >= 0xEFFFE && uc <= 0xEFFFF)
+            || (uc >= 0xF0000 && uc <= 0xFFFFD)
+            || (uc >= 0xFFFFE && uc <= 0xFFFFF)
+            || (uc >= 0x100000 && uc <= 0x10FFFD)
+            || (uc >= 0x10FFFE && uc <= 0x10FFFF)*/))
+            *out++ = *in;
+        ++in;
+    }
+    if (in != out)
+        str->truncate(out - str->utf16());
+}
+
+static bool isBidirectionalRorAL(const QChar &c)
+{
+    ushort uc = c.unicode();
+    if (uc < 0x5b0)
+        return false;
+    return uc == 0x05BE
+        || uc == 0x05C0
+        || uc == 0x05C3
+        || (uc >= 0x05D0 && uc <= 0x05EA)
+        || (uc >= 0x05F0 && uc <= 0x05F4)
+        || uc == 0x061B
+        || uc == 0x061F
+        || (uc >= 0x0621 && uc <= 0x063A)
+        || (uc >= 0x0640 && uc <= 0x064A)
+        || (uc >= 0x066D && uc <= 0x066F)
+        || (uc >= 0x0671 && uc <= 0x06D5)
+        || uc == 0x06DD
+        || (uc >= 0x06E5 && uc <= 0x06E6)
+        || (uc >= 0x06FA && uc <= 0x06FE)
+        || (uc >= 0x0700 && uc <= 0x070D)
+        || uc == 0x0710
+        || (uc >= 0x0712 && uc <= 0x072C)
+        || (uc >= 0x0780 && uc <= 0x07A5)
+        || uc == 0x07B1
+        || uc == 0x200F
+        || uc == 0xFB1D
+        || (uc >= 0xFB1F && uc <= 0xFB28)
+        || (uc >= 0xFB2A && uc <= 0xFB36)
+        || (uc >= 0xFB38 && uc <= 0xFB3C)
+        || uc == 0xFB3E
+        || (uc >= 0xFB40 && uc <= 0xFB41)
+        || (uc >= 0xFB43 && uc <= 0xFB44)
+        || (uc >= 0xFB46 && uc <= 0xFBB1)
+        || (uc >= 0xFBD3 && uc <= 0xFD3D)
+        || (uc >= 0xFD50 && uc <= 0xFD8F)
+        || (uc >= 0xFD92 && uc <= 0xFDC7)
+        || (uc >= 0xFDF0 && uc <= 0xFDFC)
+        || (uc >= 0xFE70 && uc <= 0xFE74)
+        || (uc >= 0xFE76 && uc <= 0xFEFC);
+}
+
+static bool isBidirectionalL(const QChar &ch)
+{
+    ushort uc = ch.unicode();
+    if (uc < 0xaa)
+        return (uc >= 0x0041 && uc <= 0x005A)
+            || (uc >= 0x0061 && uc <= 0x007A);
+    
+    if (uc == 0x00AA
+        || uc == 0x00B5
+        || uc == 0x00BA
+        || (uc >= 0x00C0 && uc <= 0x00D6)
+        || (uc >= 0x00D8 && uc <= 0x00F6)
+        || (uc >= 0x00F8 && uc <= 0x0220)
+        || (uc >= 0x0222 && uc <= 0x0233)
+        || (uc >= 0x0250 && uc <= 0x02AD)
+        || (uc >= 0x02B0 && uc <= 0x02B8)
+        || (uc >= 0x02BB && uc <= 0x02C1)
+        || (uc >= 0x02D0 && uc <= 0x02D1)
+        || (uc >= 0x02E0 && uc <= 0x02E4)
+        || uc == 0x02EE
+        || uc == 0x037A
+        || uc == 0x0386
+        || (uc >= 0x0388 && uc <= 0x038A)) {
+        return true;
+    }
+
+    if (uc == 0x038C
+        || (uc >= 0x038E && uc <= 0x03A1)
+        || (uc >= 0x03A3 && uc <= 0x03CE)
+        || (uc >= 0x03D0 && uc <= 0x03F5)
+        || (uc >= 0x0400 && uc <= 0x0482)
+        || (uc >= 0x048A && uc <= 0x04CE)
+        || (uc >= 0x04D0 && uc <= 0x04F5)
+        || (uc >= 0x04F8 && uc <= 0x04F9)
+        || (uc >= 0x0500 && uc <= 0x050F)
+        || (uc >= 0x0531 && uc <= 0x0556)
+        || (uc >= 0x0559 && uc <= 0x055F)
+        || (uc >= 0x0561 && uc <= 0x0587)
+        || uc == 0x0589
+        || uc == 0x0903
+        || (uc >= 0x0905 && uc <= 0x0939)
+        || (uc >= 0x093D && uc <= 0x0940)
+        || (uc >= 0x0949 && uc <= 0x094C)
+        || uc == 0x0950) {
+        return true;
+    }
+
+    if ((uc >= 0x0958 && uc <= 0x0961)
+        || (uc >= 0x0964 && uc <= 0x0970)
+        || (uc >= 0x0982 && uc <= 0x0983)
+        || (uc >= 0x0985 && uc <= 0x098C)
+        || (uc >= 0x098F && uc <= 0x0990)
+        || (uc >= 0x0993 && uc <= 0x09A8)
+        || (uc >= 0x09AA && uc <= 0x09B0)
+        || uc == 0x09B2
+        || (uc >= 0x09B6 && uc <= 0x09B9)
+        || (uc >= 0x09BE && uc <= 0x09C0)
+        || (uc >= 0x09C7 && uc <= 0x09C8)
+        || (uc >= 0x09CB && uc <= 0x09CC)
+        || uc == 0x09D7
+        || (uc >= 0x09DC && uc <= 0x09DD)
+        || (uc >= 0x09DF && uc <= 0x09E1)
+        || (uc >= 0x09E6 && uc <= 0x09F1)
+        || (uc >= 0x09F4 && uc <= 0x09FA)
+        || (uc >= 0x0A05 && uc <= 0x0A0A)
+        || (uc >= 0x0A0F && uc <= 0x0A10)
+        || (uc >= 0x0A13 && uc <= 0x0A28)
+        || (uc >= 0x0A2A && uc <= 0x0A30)
+        || (uc >= 0x0A32 && uc <= 0x0A33)) {
+        return true;
+    }
+
+    if ((uc >= 0x0A35 && uc <= 0x0A36)
+        || (uc >= 0x0A38 && uc <= 0x0A39)
+        || (uc >= 0x0A3E && uc <= 0x0A40)
+        || (uc >= 0x0A59 && uc <= 0x0A5C)
+        || uc == 0x0A5E
+        || (uc >= 0x0A66 && uc <= 0x0A6F)
+        || (uc >= 0x0A72 && uc <= 0x0A74)
+        || uc == 0x0A83
+        || (uc >= 0x0A85 && uc <= 0x0A8B)
+        || uc == 0x0A8D
+        || (uc >= 0x0A8F && uc <= 0x0A91)
+        || (uc >= 0x0A93 && uc <= 0x0AA8)
+        || (uc >= 0x0AAA && uc <= 0x0AB0)
+        || (uc >= 0x0AB2 && uc <= 0x0AB3)
+        || (uc >= 0x0AB5 && uc <= 0x0AB9)
+        || (uc >= 0x0ABD && uc <= 0x0AC0)
+        || uc == 0x0AC9
+        || (uc >= 0x0ACB && uc <= 0x0ACC)
+        || uc == 0x0AD0
+        || uc == 0x0AE0
+        || (uc >= 0x0AE6 && uc <= 0x0AEF)
+        || (uc >= 0x0B02 && uc <= 0x0B03)
+        || (uc >= 0x0B05 && uc <= 0x0B0C)
+        || (uc >= 0x0B0F && uc <= 0x0B10)
+        || (uc >= 0x0B13 && uc <= 0x0B28)
+        || (uc >= 0x0B2A && uc <= 0x0B30)) {
+        return true;
+    }
+
+    if ((uc >= 0x0B32 && uc <= 0x0B33)
+        || (uc >= 0x0B36 && uc <= 0x0B39)
+        || (uc >= 0x0B3D && uc <= 0x0B3E)
+        || uc == 0x0B40
+        || (uc >= 0x0B47 && uc <= 0x0B48)
+        || (uc >= 0x0B4B && uc <= 0x0B4C)
+        || uc == 0x0B57
+        || (uc >= 0x0B5C && uc <= 0x0B5D)
+        || (uc >= 0x0B5F && uc <= 0x0B61)
+        || (uc >= 0x0B66 && uc <= 0x0B70)
+        || uc == 0x0B83
+        || (uc >= 0x0B85 && uc <= 0x0B8A)
+        || (uc >= 0x0B8E && uc <= 0x0B90)
+        || (uc >= 0x0B92 && uc <= 0x0B95)
+        || (uc >= 0x0B99 && uc <= 0x0B9A)
+        || uc == 0x0B9C
+        || (uc >= 0x0B9E && uc <= 0x0B9F)
+        || (uc >= 0x0BA3 && uc <= 0x0BA4)
+        || (uc >= 0x0BA8 && uc <= 0x0BAA)
+        || (uc >= 0x0BAE && uc <= 0x0BB5)
+        || (uc >= 0x0BB7 && uc <= 0x0BB9)
+        || (uc >= 0x0BBE && uc <= 0x0BBF)
+        || (uc >= 0x0BC1 && uc <= 0x0BC2)
+        || (uc >= 0x0BC6 && uc <= 0x0BC8)
+        || (uc >= 0x0BCA && uc <= 0x0BCC)
+        || uc == 0x0BD7
+        || (uc >= 0x0BE7 && uc <= 0x0BF2)
+        || (uc >= 0x0C01 && uc <= 0x0C03)
+        || (uc >= 0x0C05 && uc <= 0x0C0C)
+        || (uc >= 0x0C0E && uc <= 0x0C10)
+        || (uc >= 0x0C12 && uc <= 0x0C28)
+        || (uc >= 0x0C2A && uc <= 0x0C33)
+        || (uc >= 0x0C35 && uc <= 0x0C39)) {
+        return true;
+    }
+    if ((uc >= 0x0C41 && uc <= 0x0C44)
+        || (uc >= 0x0C60 && uc <= 0x0C61)
+        || (uc >= 0x0C66 && uc <= 0x0C6F)
+        || (uc >= 0x0C82 && uc <= 0x0C83)
+        || (uc >= 0x0C85 && uc <= 0x0C8C)
+        || (uc >= 0x0C8E && uc <= 0x0C90)
+        || (uc >= 0x0C92 && uc <= 0x0CA8)
+        || (uc >= 0x0CAA && uc <= 0x0CB3)
+        || (uc >= 0x0CB5 && uc <= 0x0CB9)
+        || uc == 0x0CBE
+        || (uc >= 0x0CC0 && uc <= 0x0CC4)
+        || (uc >= 0x0CC7 && uc <= 0x0CC8)
+        || (uc >= 0x0CCA && uc <= 0x0CCB)
+        || (uc >= 0x0CD5 && uc <= 0x0CD6)
+        || uc == 0x0CDE
+        || (uc >= 0x0CE0 && uc <= 0x0CE1)
+        || (uc >= 0x0CE6 && uc <= 0x0CEF)
+        || (uc >= 0x0D02 && uc <= 0x0D03)
+        || (uc >= 0x0D05 && uc <= 0x0D0C)
+        || (uc >= 0x0D0E && uc <= 0x0D10)
+        || (uc >= 0x0D12 && uc <= 0x0D28)
+        || (uc >= 0x0D2A && uc <= 0x0D39)
+        || (uc >= 0x0D3E && uc <= 0x0D40)
+        || (uc >= 0x0D46 && uc <= 0x0D48)
+        || (uc >= 0x0D4A && uc <= 0x0D4C)
+        || uc == 0x0D57
+        || (uc >= 0x0D60 && uc <= 0x0D61)
+        || (uc >= 0x0D66 && uc <= 0x0D6F)
+        || (uc >= 0x0D82 && uc <= 0x0D83)
+        || (uc >= 0x0D85 && uc <= 0x0D96)
+        || (uc >= 0x0D9A && uc <= 0x0DB1)
+        || (uc >= 0x0DB3 && uc <= 0x0DBB)
+        || uc == 0x0DBD) {
+        return true;
+    }
+    if ((uc >= 0x0DC0 && uc <= 0x0DC6)
+        || (uc >= 0x0DCF && uc <= 0x0DD1)
+        || (uc >= 0x0DD8 && uc <= 0x0DDF)
+        || (uc >= 0x0DF2 && uc <= 0x0DF4)
+        || (uc >= 0x0E01 && uc <= 0x0E30)
+        || (uc >= 0x0E32 && uc <= 0x0E33)
+        || (uc >= 0x0E40 && uc <= 0x0E46)
+        || (uc >= 0x0E4F && uc <= 0x0E5B)
+        || (uc >= 0x0E81 && uc <= 0x0E82)
+        || uc == 0x0E84
+        || (uc >= 0x0E87 && uc <= 0x0E88)
+        || uc == 0x0E8A
+        || uc == 0x0E8D
+        || (uc >= 0x0E94 && uc <= 0x0E97)
+        || (uc >= 0x0E99 && uc <= 0x0E9F)
+        || (uc >= 0x0EA1 && uc <= 0x0EA3)
+        || uc == 0x0EA5
+        || uc == 0x0EA7
+        || (uc >= 0x0EAA && uc <= 0x0EAB)
+        || (uc >= 0x0EAD && uc <= 0x0EB0)
+        || (uc >= 0x0EB2 && uc <= 0x0EB3)
+        || uc == 0x0EBD
+        || (uc >= 0x0EC0 && uc <= 0x0EC4)
+        || uc == 0x0EC6
+        || (uc >= 0x0ED0 && uc <= 0x0ED9)
+        || (uc >= 0x0EDC && uc <= 0x0EDD)
+        || (uc >= 0x0F00 && uc <= 0x0F17)
+        || (uc >= 0x0F1A && uc <= 0x0F34)
+        || uc == 0x0F36
+        || uc == 0x0F38
+        || (uc >= 0x0F3E && uc <= 0x0F47)
+        || (uc >= 0x0F49 && uc <= 0x0F6A)
+        || uc == 0x0F7F
+        || uc == 0x0F85
+        || (uc >= 0x0F88 && uc <= 0x0F8B)
+        || (uc >= 0x0FBE && uc <= 0x0FC5)
+        || (uc >= 0x0FC7 && uc <= 0x0FCC)
+        || uc == 0x0FCF) {
+        return true;
+    }
+
+    if ((uc >= 0x1000 && uc <= 0x1021)
+        || (uc >= 0x1023 && uc <= 0x1027)
+        || (uc >= 0x1029 && uc <= 0x102A)
+        || uc == 0x102C
+        || uc == 0x1031
+        || uc == 0x1038
+        || (uc >= 0x1040 && uc <= 0x1057)
+        || (uc >= 0x10A0 && uc <= 0x10C5)
+        || (uc >= 0x10D0 && uc <= 0x10F8)
+        || uc == 0x10FB
+        || (uc >= 0x1100 && uc <= 0x1159)
+        || (uc >= 0x115F && uc <= 0x11A2)
+        || (uc >= 0x11A8 && uc <= 0x11F9)
+        || (uc >= 0x1200 && uc <= 0x1206)
+        || (uc >= 0x1208 && uc <= 0x1246)
+        || uc == 0x1248
+        || (uc >= 0x124A && uc <= 0x124D)
+        || (uc >= 0x1250 && uc <= 0x1256)
+        || uc == 0x1258
+        || (uc >= 0x125A && uc <= 0x125D)
+        || (uc >= 0x1260 && uc <= 0x1286)
+        || uc == 0x1288
+        || (uc >= 0x128A && uc <= 0x128D)
+        || (uc >= 0x1290 && uc <= 0x12AE)
+        || uc == 0x12B0
+        || (uc >= 0x12B2 && uc <= 0x12B5)
+        || (uc >= 0x12B8 && uc <= 0x12BE)
+        || uc == 0x12C0
+        || (uc >= 0x12C2 && uc <= 0x12C5)
+        || (uc >= 0x12C8 && uc <= 0x12CE)
+        || (uc >= 0x12D0 && uc <= 0x12D6)
+        || (uc >= 0x12D8 && uc <= 0x12EE)
+        || (uc >= 0x12F0 && uc <= 0x130E)
+        || uc == 0x1310) {
+        return true;
+    }
+
+    if ((uc >= 0x1312 && uc <= 0x1315)
+        || (uc >= 0x1318 && uc <= 0x131E)
+        || (uc >= 0x1320 && uc <= 0x1346)
+        || (uc >= 0x1348 && uc <= 0x135A)
+        || (uc >= 0x1361 && uc <= 0x137C)
+        || (uc >= 0x13A0 && uc <= 0x13F4)
+        || (uc >= 0x1401 && uc <= 0x1676)
+        || (uc >= 0x1681 && uc <= 0x169A)
+        || (uc >= 0x16A0 && uc <= 0x16F0)
+        || (uc >= 0x1700 && uc <= 0x170C)
+        || (uc >= 0x170E && uc <= 0x1711)
+        || (uc >= 0x1720 && uc <= 0x1731)
+        || (uc >= 0x1735 && uc <= 0x1736)
+        || (uc >= 0x1740 && uc <= 0x1751)
+        || (uc >= 0x1760 && uc <= 0x176C)
+        || (uc >= 0x176E && uc <= 0x1770)
+        || (uc >= 0x1780 && uc <= 0x17B6)
+        || (uc >= 0x17BE && uc <= 0x17C5)
+        || (uc >= 0x17C7 && uc <= 0x17C8)
+        || (uc >= 0x17D4 && uc <= 0x17DA)
+        || uc == 0x17DC
+        || (uc >= 0x17E0 && uc <= 0x17E9)
+        || (uc >= 0x1810 && uc <= 0x1819)
+        || (uc >= 0x1820 && uc <= 0x1877)
+        || (uc >= 0x1880 && uc <= 0x18A8)
+        || (uc >= 0x1E00 && uc <= 0x1E9B)
+        || (uc >= 0x1EA0 && uc <= 0x1EF9)
+        || (uc >= 0x1F00 && uc <= 0x1F15)
+        || (uc >= 0x1F18 && uc <= 0x1F1D)
+        || (uc >= 0x1F20 && uc <= 0x1F45)
+        || (uc >= 0x1F48 && uc <= 0x1F4D)
+        || (uc >= 0x1F50 && uc <= 0x1F57)
+        || uc == 0x1F59
+        || uc == 0x1F5B
+        || uc == 0x1F5D) {
+        return true;
+    }
+
+    if ((uc >= 0x1F5F && uc <= 0x1F7D)
+        || (uc >= 0x1F80 && uc <= 0x1FB4)
+        || (uc >= 0x1FB6 && uc <= 0x1FBC)
+        || uc == 0x1FBE
+        || (uc >= 0x1FC2 && uc <= 0x1FC4)
+        || (uc >= 0x1FC6 && uc <= 0x1FCC)
+        || (uc >= 0x1FD0 && uc <= 0x1FD3)
+        || (uc >= 0x1FD6 && uc <= 0x1FDB)
+        || (uc >= 0x1FE0 && uc <= 0x1FEC)
+        || (uc >= 0x1FF2 && uc <= 0x1FF4)
+        || (uc >= 0x1FF6 && uc <= 0x1FFC)
+        || uc == 0x200E
+        || uc == 0x2071
+        || uc == 0x207F
+        || uc == 0x2102
+        || uc == 0x2107
+        || (uc >= 0x210A && uc <= 0x2113)
+        || uc == 0x2115
+        || (uc >= 0x2119 && uc <= 0x211D)) {
+        return true;
+    }
+
+    if (uc == 0x2124
+        || uc == 0x2126
+        || uc == 0x2128
+        || (uc >= 0x212A && uc <= 0x212D)
+        || (uc >= 0x212F && uc <= 0x2131)
+        || (uc >= 0x2133 && uc <= 0x2139)
+        || (uc >= 0x213D && uc <= 0x213F)
+        || (uc >= 0x2145 && uc <= 0x2149)
+        || (uc >= 0x2160 && uc <= 0x2183)
+        || (uc >= 0x2336 && uc <= 0x237A)
+        || uc == 0x2395
+        || (uc >= 0x249C && uc <= 0x24E9)
+        || (uc >= 0x3005 && uc <= 0x3007)
+        || (uc >= 0x3021 && uc <= 0x3029)
+        || (uc >= 0x3031 && uc <= 0x3035)
+        || (uc >= 0x3038 && uc <= 0x303C)
+        || (uc >= 0x3041 && uc <= 0x3096)
+        || (uc >= 0x309D && uc <= 0x309F)
+        || (uc >= 0x30A1 && uc <= 0x30FA)) {
+        return true;
+    }
+
+    if ((uc >= 0x30FC && uc <= 0x30FF)
+        || (uc >= 0x3105 && uc <= 0x312C)
+        || (uc >= 0x3131 && uc <= 0x318E)
+        || (uc >= 0x3190 && uc <= 0x31B7)
+        || (uc >= 0x31F0 && uc <= 0x321C)
+        || (uc >= 0x3220 && uc <= 0x3243)) {
+        return true;
+    }
+
+    if ((uc >= 0x3260 && uc <= 0x327B)
+        || (uc >= 0x327F && uc <= 0x32B0)
+        || (uc >= 0x32C0 && uc <= 0x32CB)
+        || (uc >= 0x32D0 && uc <= 0x32FE)
+        || (uc >= 0x3300 && uc <= 0x3376)
+        || (uc >= 0x337B && uc <= 0x33DD)) {
+        return true;
+    }
+    if  ((uc >= 0x33E0 && uc <= 0x33FE)
+         || (uc >= 0x3400 && uc <= 0x4DB5)
+         || (uc >= 0x4E00 && uc <= 0x9FA5)
+         || (uc >= 0xA000 && uc <= 0xA48C)
+         || (uc >= 0xAC00 && uc <= 0xD7A3)
+         || (uc >= 0xD800 && uc <= 0xFA2D)
+         || (uc >= 0xFA30 && uc <= 0xFA6A)
+         || (uc >= 0xFB00 && uc <= 0xFB06)
+         || (uc >= 0xFB13 && uc <= 0xFB17)
+         || (uc >= 0xFF21 && uc <= 0xFF3A)
+         || (uc >= 0xFF41 && uc <= 0xFF5A)
+         || (uc >= 0xFF66 && uc <= 0xFFBE)
+         || (uc >= 0xFFC2 && uc <= 0xFFC7)
+         || (uc >= 0xFFCA && uc <= 0xFFCF)
+         || (uc >= 0xFFD2 && uc <= 0xFFD7)
+         || (uc >= 0xFFDA && uc <= 0xFFDC)) {
+        return true;
+    }
+
+    /* ### Add NAMEPREP support for surrogates
+       || (uc >= 0x10300 && uc <= 0x1031E)
+       || (uc >= 0x10320 && uc <= 0x10323)
+       || (uc >= 0x10330 && uc <= 0x1034A)
+       || (uc >= 0x10400 && uc <= 0x10425)
+       || (uc >= 0x10428 && uc <= 0x1044D)
+       || (uc >= 0x1D000 && uc <= 0x1D0F5)
+       || (uc >= 0x1D100 && uc <= 0x1D126)
+       || (uc >= 0x1D12A && uc <= 0x1D166)
+       || (uc >= 0x1D16A && uc <= 0x1D172)
+       || (uc >= 0x1D183 && uc <= 0x1D184)
+       || (uc >= 0x1D18C && uc <= 0x1D1A9)
+       || (uc >= 0x1D1AE && uc <= 0x1D1DD)
+       || (uc >= 0x1D400 && uc <= 0x1D454)
+       || (uc >= 0x1D456 && uc <= 0x1D49C)
+       || (uc >= 0x1D49E && uc <= 0x1D49F)
+       || uc == 0x1D4A2
+       || (uc >= 0x1D4A5 && uc <= 0x1D4A6)
+       || (uc >= 0x1D4A9 && uc <= 0x1D4AC)
+       || (uc >= 0x1D4AE && uc <= 0x1D4B9)
+       || uc == 0x1D4BB
+       || (uc >= 0x1D4BD && uc <= 0x1D4C0)
+       || (uc >= 0x1D4C2 && uc <= 0x1D4C3)
+       || (uc >= 0x1D4C5 && uc <= 0x1D505)
+       || (uc >= 0x1D507 && uc <= 0x1D50A)
+       || (uc >= 0x1D50D && uc <= 0x1D514)
+       || (uc >= 0x1D516 && uc <= 0x1D51C)
+       || (uc >= 0x1D51E && uc <= 0x1D539)
+       || (uc >= 0x1D53B && uc <= 0x1D53E)
+       || (uc >= 0x1D540 && uc <= 0x1D544)
+       || uc == 0x1D546
+       || (uc >= 0x1D54A && uc <= 0x1D550)
+       || (uc >= 0x1D552 && uc <= 0x1D6A3)
+       || (uc >= 0x1D6A8 && uc <= 0x1D7C9)
+       || (uc >= 0x20000 && uc <= 0x2A6D6)
+       || (uc >= 0x2F800 && uc <= 0x2FA1D)
+       || (uc >= 0xF0000 && uc <= 0xFFFFD)
+       || (uc >= 0x100000 && uc <= 0x10FFFD)*/
+
+    return false;
+}
+
+
+Q_AUTOTEST_EXPORT QString qt_nameprep(const QString &source)
+{
+    QString mapped = source;
+    
+    bool simple = true;
+    for (int i = 0; i < mapped.size(); ++i) {
+        ushort uc = mapped.at(i).unicode();
+        if (uc > 0x80) {
+            simple = false;
+            break;
+        } else if (uc >= 'A' && uc <= 'Z') {
+            mapped[i] = QChar(uc | 0x20);
+        }
+    }
+    if (simple)
+        return mapped;
+    
+    // Characters commonly mapped to nothing are simply removed
+    // (Table B.1)
+    QChar *out = mapped.data();
+    const QChar *in = out;
+    const QChar *e = in + mapped.size();
+    while (in < e) {
+        if (!isMappedToNothing(*in))
+            *out++ = *in;
+        ++in;
+    }
+    if (out != in)
+        mapped.truncate(out - mapped.constData());
+
+    // Map to lowercase (Table B.2)
+    mapToLowerCase(&mapped);
+
+    // Normalize to Unicode 3.2 form KC
+    mapped = mapped.normalized(QString::NormalizationForm_KC, QChar::Unicode_3_2);
+
+    // Strip prohibited output
+    stripProhibitedOutput(&mapped);
+
+    // Check for valid bidirectional characters
+    bool containsLCat = false;
+    bool containsRandALCat = false;
+    for (int j = 0; j < mapped.size() && (!containsLCat || !containsRandALCat); ++j) {
+        if (isBidirectionalL(mapped.at(j)))
+            containsLCat = true;
+        else if (isBidirectionalRorAL(mapped.at(j)))
+            containsRandALCat = true;
+    }
+    if (containsRandALCat) {
+        if (containsLCat || (!isBidirectionalRorAL(mapped.at(0))
+                             || !isBidirectionalRorAL(mapped.at(mapped.size() - 1))))
+            mapped.clear();
+    }
+
+    return mapped;
+}
+
+
+static inline char encodeDigit(uint digit)
+{
+  return digit + 22 + 75 * (digit < 26);
+}
+
+static inline uint adapt(uint delta, uint numpoints, bool firsttime)
+{
+    delta /= (firsttime ? damp : 2);
+    delta += (delta / numpoints);
+
+    uint k = 0;
+    for (; delta > ((base - tmin) * tmax) / 2; k += base)
+        delta /= (base - tmin);
+
+    return k + (((base - tmin + 1) * delta) / (delta + skew));
+}
+
+static inline void appendEncode(QByteArray* output, uint& delta, uint& bias, uint& b, uint& h)
+{
+    uint qq;
+    uint k;
+    uint t;
+
+    // insert the variable length delta integer; fail on
+    // overflow.
+    for (qq = delta, k = base;; k += base) {
+        // stop generating digits when the threshold is
+        // detected.
+        t = (k <= bias) ? tmin : (k >= bias + tmax) ? tmax : k - bias;
+        if (qq < t) break;
+
+        *output += encodeDigit(t + (qq - t) % (base - t));
+        qq = (qq - t) / (base - t);
+    }
+
+    *output += encodeDigit(qq);
+    bias = adapt(delta, h + 1, h == b);
+    delta = 0;
+    ++h;
+}
+
+static void toPunycodeHelper(const QChar *s, int ucLength, QByteArray *output)
+{
+    uint n = initial_n;
+    uint delta = 0;
+    uint bias = initial_bias;
+
+    int outLen = output->length();
+    output->resize(outLen + ucLength);
+
+    char *d = output->data() + outLen;
+    bool skipped = false;
+    // copy all basic code points verbatim to output.
+    for (uint j = 0; j < (uint) ucLength; ++j) {
+        ushort js = s[j].unicode();
+        if (js < 0x80)
+            *d++ = js;
+        else
+            skipped = true;
+    }
+
+    // if there were only basic code points, just return them
+    // directly; don't do any encoding.
+    if (!skipped)
+        return;
+
+    output->truncate(d - output->constData());
+    int copied = output->size() - outLen;
+
+    // h and b now contain the number of basic code points in input.
+    uint b = copied;
+    uint h = copied;
+
+    // if basic code points were copied, add the delimiter character.
+    if (h > 0)
+        *output += 0x2d;
+
+    // while there are still unprocessed non-basic code points left in
+    // the input string...
+    while (h < (uint) ucLength) {
+        // find the character in the input string with the lowest
+        // unicode value.
+        uint m = Q_MAXINT;
+        uint j;
+        for (j = 0; j < (uint) ucLength; ++j) {
+            if (s[j].unicode() >= n && s[j].unicode() < m)
+                m = (uint) s[j].unicode();
+        }
+
+        // reject out-of-bounds unicode characters
+        if (m - n > (Q_MAXINT - delta) / (h + 1)) {
+            output->truncate(outLen);
+            return; // punycode_overflow
+        }
+
+        delta += (m - n) * (h + 1);
+        n = m;
+
+        // for each code point in the input string
+        for (j = 0; j < (uint) ucLength; ++j) {
+
+            // increase delta until we reach the character with the
+            // lowest unicode code. fail if delta overflows.
+            if (s[j].unicode() < n) {
+                ++delta;
+                if (!delta) {
+                    output->truncate(outLen);
+                    return; // punycode_overflow
+                }
+            }
+
+            // if j is the index of the character with the lowest
+            // unicode code...
+            if (s[j].unicode() == n) {
+                appendEncode(output, delta, bias, b, h);
+            }
+        }
+
+        ++delta;
+        ++n;
+    }
+
+    // prepend ACE prefix
+    output->insert(outLen, "xn--");
+    return;
+}
+
+
+static const char * const idn_whitelist[] = {
+    "ac", "at",
+    "br",
+    "cat", "ch", "cl", "cn",
+    "de", "dk",
+    "fi",
+    "gr",
+    "hu",
+    "info", "io", "is",
+    "jp",
+    "kr",
+    "li", "lt",
+    "museum",
+    "no",
+    "org",
+    "se", "sh",
+    "th", "tm", "tw",
+    "vn",
+};
+
+static QStringList *user_idn_whitelist = 0;
+
+static bool lessThan(const QChar *a, int l, const char *c)
+{
+    const ushort *uc = (const ushort *)a;
+    const ushort *e = uc + l;
+
+    if (!c || *c == 0)
+        return false;
+
+    while (*c) {
+        if (uc == e || *uc != *c)
+            break;
+        ++uc;
+        ++c;
+    }
+    return (uc == e ? *c : *uc < *c);
+}
+
+static bool equal(const QChar *a, int l, const char *b)
+{
+    while (l && a->unicode() && *b) {
+        if (*a != QLatin1Char(*b))
+            return false;
+        ++a;
+        ++b;
+        --l;
+    }
+    return l == 0;
+}
+
+static bool qt_is_idn_enabled(const QString &domain)
+{
+    int idx = domain.lastIndexOf(QLatin1Char('.'));
+    if (idx == -1)
+        return false;
+    const QChar *tld = domain.constData() + idx + 1;
+    int len = domain.size() - idx - 1;
+
+    if (user_idn_whitelist)
+        return user_idn_whitelist->contains(QString(tld, len));
+
+    int l = 0;
+    int r = sizeof(idn_whitelist)/sizeof(const char *) - 1;
+    int i = (l + r + 1) / 2;
+
+    while (r != l) {
+        if (lessThan(tld, len, idn_whitelist[i]))
+            r = i - 1;
+        else
+            l = i;
+        i = (l + r + 1) / 2;
+    }
+    return equal(tld, len, idn_whitelist[i]);
+}
+
+static QString qt_from_ACE(const QString &domainMC)
+{
+    QString domain = domainMC.toLower();
+    int idx = domain.indexOf(QLatin1Char('.'));
+    if (idx != -1) {
+        if (!domain.contains(QLatin1String("xn--"))) {
+            bool simple = true;
+            for (int i = 0; i < domain.size(); ++i) {
+                ushort ch = domain.at(i).unicode();
+                if (ch > 'z' || ch < '-' || ch == '/' || (ch > '9' && ch < 'A') || (ch > 'Z' && ch < 'a')) {
+                    simple = false;
+                    break;
+                }
+            }
+            if (simple)
+                return domain;
+        }
+        
+        const bool isIdnEnabled = qt_is_idn_enabled(domain);
+        int lastIdx = 0;
+        QString result;
+        while (1) {
+            // Nameprep the host. If the labels in the hostname are Punycode
+            // encoded, we decode them immediately, then nameprep them.
+            QByteArray label;
+            toPunycodeHelper(domain.constData() + lastIdx, idx - lastIdx, &label);
+            result += qt_nameprep(isIdnEnabled ? QUrl::fromPunycode(label) : QString::fromLatin1(label));
+            lastIdx = idx + 1;
+            if (lastIdx < domain.size() + 1)
+                result += QLatin1Char('.');
+            else
+                break;
+            idx = domain.indexOf(QLatin1Char('.'), lastIdx);
+            if (idx == -1)
+                idx = domain.size();
+        }
+        return result;
+    } else {
+        return qt_nameprep(domain);
+    }
+}
+
+
+QUrlPrivate::QUrlPrivate()
+{
+    ref = 1;
+    port = -1;
+    isValid = false;
+    parsingMode = QUrl::TolerantMode;
+    valueDelimiter = '=';
+    pairDelimiter = '&';
+    stateFlags = 0;
+    hasFragment = false;
+    hasQuery = false;
+}
+
+QUrlPrivate::QUrlPrivate(const QUrlPrivate &copy)
+    : scheme(copy.scheme),
+      userName(copy.userName),
+      password(copy.password),
+      host(copy.host),
+      path(copy.path),
+      query(copy.query),
+      fragment(copy.fragment),
+      encodedOriginal(copy.encodedOriginal),
+      encodedUserName(copy.encodedUserName),
+      encodedPassword(copy.encodedPassword),
+      encodedPath(copy.encodedPath),
+      encodedFragment(copy.encodedFragment),
+      port(copy.port),
+      parsingMode(copy.parsingMode),
+      hasQuery(copy.hasQuery),
+      hasFragment(copy.hasFragment),
+      isValid(copy.isValid),
+      valueDelimiter(copy.valueDelimiter),
+      pairDelimiter(copy.pairDelimiter),
+      stateFlags(copy.stateFlags),
+      encodedNormalized(copy.encodedNormalized)
+{ ref = 1; }
+
+QString QUrlPrivate::canonicalHost() const
+{
+    if (QURL_HASFLAG(stateFlags, HostCanonicalized))
+        return host;
+
+    QUrlPrivate *that = const_cast<QUrlPrivate *>(this);
+    QURL_SETFLAG(that->stateFlags, HostCanonicalized);
+    that->host = qt_from_ACE(host);
+    return that->host;
+}
+
+// From RFC 3896, Appendix A Collected ABNF for URI
+//    authority     = [ userinfo "@" ] host [ ":" port ]
+//    userinfo      = *( unreserved / pct-encoded / sub-delims / ":" )
+//    host          = IP-literal / IPv4address / reg-name
+//    port          = *DIGIT
+//[...]
+//    pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
+//
+//    query         = *( pchar / "/" / "?" )
+//
+//    fragment      = *( pchar / "/" / "?" )
+//
+//    pct-encoded   = "%" HEXDIG HEXDIG
+//
+//    unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
+//    reserved      = gen-delims / sub-delims
+//    gen-delims    = ":" / "/" / "?" / "#" / "[" / "]" / "@"
+//    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
+//                  / "*" / "+" / "," / ";" / "="
+
+// use defines for concatenation:
+#define ABNF_sub_delims         "!$&'()*+,;="
+#define ABNF_gen_delims         ":/?#[]@"
+#define ABNF_pchar              ABNF_sub_delims ":@"
+#define ABNF_reserved           ABNF_sub_delims ABNF_gen_delims
+
+// list the characters that don't have to be converted according to the list above.
+// "unreserved" is already automatically not encoded, so we don't have to list it.
+// the path component has a complex ABNF that basically boils down to
+// slash-separated segments of "pchar"
+
+static const char userNameExcludeChars[] = ABNF_sub_delims;
+static const char passwordExcludeChars[] = ABNF_sub_delims ":";
+static const char pathExcludeChars[]     = ABNF_pchar "/";
+static const char queryExcludeChars[]    = ABNF_pchar "/?";
+static const char fragmentExcludeChars[] = ABNF_pchar "/?";
+
+void QUrlPrivate::ensureEncodedParts() const
+{
+    QUrlPrivate *that = const_cast<QUrlPrivate *>(this);
+
+    if (encodedUserName.isNull())
+        // userinfo = *( unreserved / pct-encoded / sub-delims / ":" )
+        that->encodedUserName = toPercentEncodingHelper(userName, userNameExcludeChars);
+    if (encodedPassword.isNull())
+        // userinfo = *( unreserved / pct-encoded / sub-delims / ":" )
+        that->encodedPassword = toPercentEncodingHelper(password, passwordExcludeChars);
+    if (encodedPath.isNull())
+        // pchar = unreserved / pct-encoded / sub-delims / ":" / "@" ... also "/"
+        that->encodedPath = toPercentEncodingHelper(path, pathExcludeChars);
+    if (encodedFragment.isNull())
+        // fragment      = *( pchar / "/" / "?" )
+        that->encodedFragment = toPercentEncodingHelper(fragment, fragmentExcludeChars);
+}
+
+QString QUrlPrivate::authority(QUrl::FormattingOptions options) const
+{
+    if ((options & QUrl::RemoveAuthority) == QUrl::RemoveAuthority)
+        return QString();
+
+    QString tmp = userInfo(options);
+    if (!tmp.isEmpty())
+        tmp += QLatin1Char('@');
+    tmp += canonicalHost();
+    if (!(options & QUrl::RemovePort) && port != -1)
+        tmp += QLatin1Char(':') + QString::number(port);
+
+    return tmp;
+}
+
+void QUrlPrivate::setAuthority(const QString &auth)
+{
+    if (auth.isEmpty())
+        return;
+
+    // find the port section of the authority by searching from the
+    // end towards the beginning for numbers until a ':' is reached.
+    int portIndex = auth.length() - 1;
+    if (portIndex == 0) {
+        portIndex = -1;
+    } else {
+        short c = auth.at(portIndex--).unicode();
+        if (c < '0' || c > '9') {
+            portIndex = -1;
+        } else while (portIndex >= 0) {
+            c = auth.at(portIndex).unicode();
+            if (c == ':') {
+                break;
+            } else if (c == '.') {
+                portIndex = -1;
+                break;
+            }
+            --portIndex;
+        }
+    }
+
+    if (portIndex != -1) {
+        port = 0;
+        for (int i = portIndex + 1; i < auth.length(); ++i) 
+            port = (port * 10) + (auth.at(i).unicode() - '0');
+    } else {
+        port = -1;
+    }
+
+    int userInfoIndex = auth.indexOf(QLatin1Char('@'));
+    if (userInfoIndex != -1 && (portIndex == -1 || userInfoIndex < portIndex))
+        setUserInfo(auth.left(userInfoIndex));
+
+    int hostIndex = 0;
+    if (userInfoIndex != -1)
+        hostIndex = userInfoIndex + 1;
+    int hostLength = auth.length() - hostIndex;
+    if (portIndex != -1)
+        hostLength -= (auth.length() - portIndex);
+
+    host = auth.mid(hostIndex, hostLength).trimmed();
+}
+
+void QUrlPrivate::setUserInfo(const QString &userInfo)
+{
+    encodedUserName.clear();
+    encodedPassword.clear();
+
+    int delimIndex = userInfo.indexOf(QLatin1Char(':'));
+    if (delimIndex == -1) {
+        userName = userInfo;
+        password.clear();
+        return;
+    }
+    userName = userInfo.left(delimIndex);
+    password = userInfo.right(userInfo.length() - delimIndex - 1);
+}
+
+void QUrlPrivate::setEncodedUserInfo(const QUrlParseData *parseData)
+{
+    userName.clear();
+    password.clear();
+    if (!parseData->userInfoLength) {
+        encodedUserName.clear();
+        encodedPassword.clear();
+    } else if (parseData->userInfoDelimIndex == -1) {
+        encodedUserName = QByteArray(parseData->userInfo, parseData->userInfoLength);
+        encodedPassword.clear();
+    } else {
+        encodedUserName = QByteArray(parseData->userInfo, parseData->userInfoDelimIndex);
+        encodedPassword = QByteArray(parseData->userInfo + parseData->userInfoDelimIndex + 1,
+                                     parseData->userInfoLength - parseData->userInfoDelimIndex - 1);
+    }
+}
+
+QString QUrlPrivate::userInfo(QUrl::FormattingOptions options) const
+{
+    if ((options & QUrl::RemoveUserInfo) == QUrl::RemoveUserInfo)
+        return QString();
+
+    QUrlPrivate *that = const_cast<QUrlPrivate *>(this);
+    if (userName.isNull())
+        that->userName = fromPercentEncodingHelper(encodedUserName);
+    if (password.isNull())
+        that->password = fromPercentEncodingHelper(encodedPassword);
+
+    QString tmp = userName;
+
+    if (!(options & QUrl::RemovePassword) && !password.isEmpty()) {
+        tmp += QLatin1Char(':');
+        tmp += password;
+    }
+    
+    return tmp;
+}
+
+/*
+    From http://www.ietf.org/rfc/rfc3986.txt, 5.2.3: Merge paths
+
+    Returns a merge of the current path with the relative path passed
+    as argument.
+*/
+QByteArray QUrlPrivate::mergePaths(const QByteArray &relativePath) const
+{
+    if (encodedPath.isNull())
+        ensureEncodedParts();
+
+    // If the base URI has a defined authority component and an empty
+    // path, then return a string consisting of "/" concatenated with
+    // the reference's path; otherwise,
+    if (!authority().isEmpty() && encodedPath.isEmpty())
+        return '/' + relativePath;
+
+    // Return a string consisting of the reference's path component
+    // appended to all but the last segment of the base URI's path
+    // (i.e., excluding any characters after the right-most "/" in the
+    // base URI path, or excluding the entire base URI path if it does
+    // not contain any "/" characters).
+    QByteArray newPath;
+    if (!encodedPath.contains('/'))
+        newPath = relativePath;
+    else
+        newPath = encodedPath.left(encodedPath.lastIndexOf('/') + 1) + relativePath;
+
+    return newPath;
+}
+
+void QUrlPrivate::queryItem(int pos, int *value, int *end)
+{
+    *end = query.indexOf(pairDelimiter, pos);
+    if (*end == -1)
+        *end = query.size();
+    *value = pos;
+    while (*value < *end) {
+        if (query[*value] == valueDelimiter)
+            break;
+        ++*value;
+    }
+}
+
+/*
+    From http://www.ietf.org/rfc/rfc3986.txt, 5.2.4: Remove dot segments
+
+    Removes unnecessary ../ and ./ from the path. Used for normalizing
+    the URL.
+*/
+static void removeDotsFromPath(QByteArray *path)
+{
+    // The input buffer is initialized with the now-appended path
+    // components and the output buffer is initialized to the empty
+    // string.
+    char *out = path->data();
+    const char *in = out;
+    const char *end = out + path->size();
+
+    // If the input buffer consists only of
+    // "." or "..", then remove that from the input
+    // buffer;
+    if (path->size() == 1 && in[0] == '.')
+        ++in;
+    else if (path->size() == 2 && in[0] == '.' && in[1] == '.')
+        in += 2;
+    // While the input buffer is not empty, loop:
+    while (in < end) {
+
+        // otherwise, if the input buffer begins with a prefix of "../" or "./",
+        // then remove that prefix from the input buffer;
+        if (path->size() >= 2 && in[0] == '.' && in[1] == '/')
+            in += 2;
+        else if (path->size() >= 3 && in[0] == '.' && in[1] == '.' && in[2] == '/')
+            in += 3;
+
+        // otherwise, if the input buffer begins with a prefix of
+        // "/./" or "/.", where "." is a complete path segment,
+        // then replace that prefix with "/" in the input buffer;
+        if (in <= end - 3 && in[0] == '/' && in[1] == '.' && in[2] == '/') {
+            in += 2;
+            continue;
+        } else if (in == end - 2 && in[0] == '/' && in[1] == '.') {
+            *out++ = '/';
+            in += 2;
+            break;
+        }
+        
+        // otherwise, if the input buffer begins with a prefix
+        // of "/../" or "/..", where ".." is a complete path
+        // segment, then replace that prefix with "/" in the
+        // input buffer and remove the last //segment and its
+        // preceding "/" (if any) from the output buffer;
+        if (in <= end - 4 && in[0] == '/' && in[1] == '.' && in[2] == '.' && in[3] == '/') {
+            while (out > path->constData() && *(--out) != '/')
+                ;
+            if (out == path->constData() && *out != '/')
+                ++in;
+            in += 3;
+            continue;
+        } else if (in == end - 3 && in[0] == '/' && in[1] == '.' && in[2] == '.') {
+            while (out > path->constData() && *(--out) != '/')
+                ;
+            if (*out == '/')
+                ++out;
+            in += 3;
+            break;
+        }
+        
+        // otherwise move the first path segment in
+        // the input buffer to the end of the output
+        // buffer, including the initial "/" character
+        // (if any) and any subsequent characters up
+        // to, but not including, the next "/"
+        // character or the end of the input buffer.
+        *out++ = *in++;
+        while (in < end && *in != '/')
+            *out++ = *in++;
+    }
+    path->truncate(out - path->constData());
+}
+
+void QUrlPrivate::validate() const
+{
+    QUrlPrivate *that = (QUrlPrivate *)this;
+    that->encodedOriginal = that->toEncoded(); // may detach
+    parse(ParseOnly);
+
+    QURL_SETFLAG(that->stateFlags, Validated);
+
+    if (!isValid)
+        return;
+
+    QString auth = authority(); // causes the non-encoded forms to be valid
+
+    if (scheme == QLatin1String("mailto")) {
+        if (!host.isEmpty() || port != -1 || !userName.isEmpty() || !password.isEmpty()) {
+            that->isValid = false;
+            that->errorInfo.setParams(0, QT_TRANSLATE_NOOP(QUrl, "expected empty host, username,"
+                                                           "port and password"),
+                                      0, 0);
+        }
+    } else if (scheme == QLatin1String("ftp") || scheme == QLatin1String("http")) {
+        if (host.isEmpty() && !(path.isEmpty() && encodedPath.isEmpty())) {
+            that->isValid = false;
+            that->errorInfo.setParams(0, QT_TRANSLATE_NOOP(QUrl, "the host is empty, but not the path"),
+                                      0, 0);
+        }
+    }
+}
+
+void QUrlPrivate::parse(ParseOptions parseOptions) const
+{
+    QUrlPrivate *that = (QUrlPrivate *)this;
+    that->errorInfo.setParams(0, 0, 0, 0);
+    if (encodedOriginal.isEmpty()) {
+        that->isValid = false;
+        that->errorInfo.setParams(0, QT_TRANSLATE_NOOP(QUrl, "empty"),
+                                  0, 0);
+        QURL_SETFLAG(that->stateFlags, Validated | Parsed);
+        return;
+    }
+
+
+    QUrlParseData parseData;
+    memset(&parseData, 0, sizeof(parseData));
+    parseData.userInfoDelimIndex = -1;
+    parseData.port = -1;
+
+    const char *pptr = (char *) encodedOriginal.constData();
+    const char **ptr = &pptr;
+
+#if defined (QURL_DEBUG)
+    qDebug("QUrlPrivate::parse(), parsing \"%s\"", pptr);
+#endif
+
+    // optional scheme
+    _scheme(ptr, &parseData);
+
+    // hierpart
+    _hierPart(ptr, &parseData);
+
+    // optional query
+    char ch = *((*ptr)++);
+    if (ch == '?') {
+        that->hasQuery = true;
+        _query(ptr, &parseData);
+        ch = *((*ptr)++);
+    }
+
+    // optional fragment
+    if (ch == '#') {
+        that->hasFragment = true;
+        _fragment(ptr, &parseData);
+    } else if (ch != '\0') {
+        that->isValid = false;
+        that->errorInfo.setParams(*ptr, QT_TRANSLATE_NOOP(QUrl, "expected end of URL"),
+                                  0, ch);
+        QURL_SETFLAG(that->stateFlags, Validated | Parsed);
+#if defined (QURL_DEBUG)
+        qDebug("QUrlPrivate::parse(), unrecognized: %c%s", ch, *ptr);
+#endif
+        return;
+    }
+
+    // when doing lazy validation, this function is called after
+    // encodedOriginal has been constructed from the individual parts,
+    // only to see if the constructed URL can be parsed. in that case,
+    // parse() is called in ParseOnly mode; we don't want to set all
+    // the members over again.
+    if (parseOptions == ParseAndSet) {
+        QURL_UNSETFLAG(that->stateFlags, HostCanonicalized);
+
+        if (parseData.scheme) {
+            QByteArray s(parseData.scheme, parseData.schemeLength);
+            that->scheme = fromPercentEncodingMutable(&s);
+        }
+
+        that->setEncodedUserInfo(&parseData);
+
+        QByteArray h(parseData.host, parseData.hostLength);
+        that->host = fromPercentEncodingMutable(&h);
+        that->port = parseData.port;
+
+        that->path.clear();
+        that->encodedPath = QByteArray(parseData.path, parseData.pathLength);
+
+        if (that->hasQuery)
+            that->query = QByteArray(parseData.query, parseData.queryLength);
+        else
+            that->query.clear();
+
+        that->fragment.clear();
+        if (that->hasFragment) {
+            that->encodedFragment = QByteArray(parseData.fragment, parseData.fragmentLength);
+        } else {
+            that->encodedFragment.clear();
+        }
+    }
+
+    that->isValid = true;
+    QURL_SETFLAG(that->stateFlags, Parsed);
+
+#if defined (QURL_DEBUG)
+    qDebug("QUrl::setUrl(), scheme = %s", that->scheme.toLatin1().constData());
+    qDebug("QUrl::setUrl(), userInfo = %s", that->userInfo.toLatin1().constData());
+    qDebug("QUrl::setUrl(), host = %s", that->host.toLatin1().constData());
+    qDebug("QUrl::setUrl(), port = %i", that->port);
+    qDebug("QUrl::setUrl(), path = %s", fromPercentEncodingHelper(__path).toLatin1().constData());
+    qDebug("QUrl::setUrl(), query = %s", __query.constData());
+    qDebug("QUrl::setUrl(), fragment = %s", fromPercentEncodingHelper(__fragment).toLatin1().constData());
+#endif
+}
+
+void QUrlPrivate::clear()
+{
+    scheme.clear();
+    userName.clear();
+    password.clear();
+    host.clear();
+    port = -1;
+    path.clear();
+    query.clear();
+    fragment.clear();
+
+    encodedOriginal.clear();
+    encodedUserName.clear();
+    encodedPassword.clear();
+    encodedPath.clear();
+    encodedFragment.clear();
+    encodedNormalized.clear();
+
+    isValid = false;
+    hasQuery = false;
+    hasFragment = false;
+
+    valueDelimiter = '=';
+    pairDelimiter = '&';
+
+    QURL_UNSETFLAG(stateFlags, Parsed | Validated | Normalized | HostCanonicalized);
+}
+
+QByteArray QUrlPrivate::toEncoded(QUrl::FormattingOptions options) const
+{
+    if (!QURL_HASFLAG(stateFlags, Parsed)) parse();
+    else ensureEncodedParts();
+
+    QByteArray url;
+
+    if (!(options & QUrl::RemoveScheme) && !scheme.isEmpty()) {
+        url += scheme.toLatin1();
+        url += ':';
+    }
+    QString auth = authority();
+    bool doFileScheme = scheme == QLatin1String("file") && encodedPath.startsWith('/');
+    if ((options & QUrl::RemoveAuthority) != QUrl::RemoveAuthority && (!auth.isEmpty() || doFileScheme)) {
+        if (doFileScheme && !encodedPath.startsWith('/'))
+            url += '/';
+        url += "//";
+
+        if ((options & QUrl::RemoveUserInfo) != QUrl::RemoveUserInfo) {
+            if (!userName.isEmpty()) {
+                url += encodedUserName;
+                if (!(options & QUrl::RemovePassword) && !password.isEmpty()) {
+                    url += ':';
+                    url += encodedPassword;
+                }
+                url += '@';
+            }
+        }
+
+        url += QUrl::toAce(host);
+        if (!(options & QUrl::RemovePort) && port != -1) {
+            url += ':';
+            url += QString::number(port).toAscii();
+        }
+    }
+
+    if (!(options & QUrl::RemovePath)) {
+        // check if we need to insert a slash
+        if (!encodedPath.isEmpty() && !auth.isEmpty()) {
+            if (!encodedPath.startsWith('/'))
+                url += '/';
+        }
+        url += encodedPath;
+
+        // check if we need to remove trailing slashes
+        while ((options & QUrl::StripTrailingSlash) && url.endsWith('/'))
+            url.chop(1);
+    }
+
+    if (!(options & QUrl::RemoveQuery) && hasQuery) {
+        url += '?';
+        url += query;
+    }
+    if (!(options & QUrl::RemoveFragment) && hasFragment) {
+        url += '#';
+        url += encodedFragment;
+    }
+
+    return url;
+}
+
+#define qToLower(ch) (((ch|32) >= 'a' && (ch|32) <= 'z') ? (ch|32) : ch)
+
+const QByteArray &QUrlPrivate::normalized()
+{
+    if (QURL_HASFLAG(stateFlags, QUrlPrivate::Normalized))
+        return encodedNormalized;
+
+    QURL_SETFLAG(stateFlags, QUrlPrivate::Normalized);
+
+    QUrlPrivate tmp = *this;
+    tmp.scheme = tmp.scheme.toLower();
+    tmp.host = tmp.canonicalHost();
+
+    // ensure the encoded and normalized parts of the URL
+    tmp.ensureEncodedParts();
+    if (tmp.encodedUserName.contains('%'))
+        q_normalizePercentEncoding(&tmp.encodedUserName, userNameExcludeChars);
+    if (tmp.encodedPassword.contains('%'))
+        q_normalizePercentEncoding(&tmp.encodedPassword, passwordExcludeChars);
+    if (tmp.encodedFragment.contains('%'))
+        q_normalizePercentEncoding(&tmp.encodedFragment, fragmentExcludeChars);
+
+    if (tmp.encodedPath.contains('%')) {
+        // the path is a bit special:
+        // the slashes shouldn't be encoded or decoded.
+        // They should remain exactly like they are right now
+        //
+        // treat the path as a slash-separated sequence of pchar
+        QByteArray result;
+        result.reserve(tmp.encodedPath.length());
+        if (tmp.encodedPath.startsWith('/'))
+            result.append('/');
+
+        const char *data = tmp.encodedPath.constData();
+        int lastSlash = 0;
+        int nextSlash;
+        do {
+            ++lastSlash;
+            nextSlash = tmp.encodedPath.indexOf('/', lastSlash);
+            int len;
+            if (nextSlash == -1)
+                len = tmp.encodedPath.length() - lastSlash;
+            else
+                len = nextSlash - lastSlash;
+
+            if (memchr(data + lastSlash, '%', len)) {
+                // there's at least one percent before the next slash
+                QByteArray block = QByteArray(data + lastSlash, len);
+                q_normalizePercentEncoding(&block, pathExcludeChars);
+                result.append(block);
+            } else {
+                // no percents in this path segment, append wholesale
+                result.append(data + lastSlash, len);
+            }
+
+            // append the slash too, if it's there
+            if (nextSlash != -1)
+                result.append('/');
+
+            lastSlash = nextSlash;
+        } while (lastSlash != -1);
+
+        tmp.encodedPath = result;
+    }
+
+    if (!tmp.scheme.isEmpty()) // relative test
+        removeDotsFromPath(&tmp.encodedPath);
+
+    int qLen = tmp.query.length();
+    for (int i = 0; i < qLen; i++) {
+        if (qLen - i > 2 && tmp.query.at(i) == '%') {
+            ++i;
+            tmp.query[i] = qToLower(tmp.query.at(i));
+            ++i;
+            tmp.query[i] = qToLower(tmp.query.at(i));
+        }
+    }
+    encodedNormalized = tmp.toEncoded();
+
+    return encodedNormalized;
+}
+
+QString QUrlPrivate::createErrorString()
+{
+    if (isValid)
+        return QString();
+
+    QString errorString(QLatin1String(QT_TRANSLATE_NOOP(QUrl, "Invalid URL \"")));
+    errorString += QLatin1String(encodedOriginal.constData());
+    errorString += QLatin1String(QT_TRANSLATE_NOOP(QUrl, "\""));
+
+    if (errorInfo._source) {
+        int position = encodedOriginal.indexOf(errorInfo._source) - 1;
+        if (position > 0) {
+            errorString += QLatin1String(QT_TRANSLATE_NOOP(QUrl, ": error at position "));
+            errorString += QString::number(position);
+        } else {
+            errorString += QLatin1String(QT_TRANSLATE_NOOP(QUrl, ": "));
+            errorString += QLatin1String(errorInfo._source);
+        }
+    }
+
+    if (errorInfo._expected) {
+        errorString += QLatin1String(QT_TRANSLATE_NOOP(QUrl, ": expected \'"));
+        errorString += QLatin1Char(errorInfo._expected);
+        errorString += QLatin1String(QT_TRANSLATE_NOOP(QUrl, "\'"));
+    } else {
+        errorString += QLatin1String(QT_TRANSLATE_NOOP(QUrl, ": "));
+        errorString += QLatin1String(errorInfo._message);
+    }
+    if (errorInfo._found) {
+        errorString += QLatin1String(QT_TRANSLATE_NOOP(QUrl, ", but found \'"));
+        errorString += QLatin1Char(errorInfo._found);
+        errorString += QLatin1String(QT_TRANSLATE_NOOP(QUrl, "\'"));
+    }
+    return errorString;
+}
+
+/*!
+    Constructs a URL by parsing \a url. \a url is assumed to be in human
+    readable representation, with no percent encoding. QUrl will automatically
+    percent encode all characters that are not allowed in a URL.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qurl.cpp 0
+
+    To construct a URL from an encoded string, call fromEncoded():
+
+    \snippet doc/src/snippets/code/src_corelib_io_qurl.cpp 1
+
+    \sa setUrl(), setEncodedUrl(), fromEncoded(), TolerantMode
+*/
+QUrl::QUrl(const QString &url) : d(new QUrlPrivate)
+{
+    if (!url.isEmpty())
+        setUrl(url);
+}
+
+/*!
+    \overload
+
+    Parses the \a url using the parser mode \a parsingMode.
+
+    \sa setUrl()
+*/
+QUrl::QUrl(const QString &url, ParsingMode parsingMode) : d(new QUrlPrivate)
+{
+    if (!url.isEmpty())
+        setUrl(url, parsingMode);
+    else
+        d->parsingMode = parsingMode;
+}
+
+/*!
+    Constructs an empty QUrl object.
+*/
+QUrl::QUrl() : d(new QUrlPrivate)
+{
+}
+
+/*!
+    Constructs a copy of \a other.
+*/
+QUrl::QUrl(const QUrl &other) : d(other.d)
+{
+    d->ref.ref();
+}
+
+/*!
+    Destructor; called immediately before the object is deleted.
+*/
+QUrl::~QUrl()
+{
+    if (!d->ref.deref())
+        delete d;
+}
+
+/*!
+    Returns true if the URL is valid; otherwise returns false.
+
+    The URL is run through a conformance test. Every part of the URL
+    must conform to the standard encoding rules of the URI standard
+    for the URL to be reported as valid.
+
+    \snippet doc/src/snippets/code/src_corelib_io_qurl.cpp 2
+*/
+bool QUrl::isValid() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Validated)) d->validate();
+
+    return d->isValid;
+}
+
+/*!
+    Returns true if the URL has no data; otherwise returns false.
+*/
+bool QUrl::isEmpty() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed))
+        return d->encodedOriginal.isEmpty();
+    else
+        return d->scheme.isEmpty()   // no encodedScheme
+        && d->userName.isEmpty() && d->encodedUserName.isEmpty()
+        && d->password.isEmpty() && d->encodedPassword.isEmpty()
+        && d->host.isEmpty()   // no encodedHost
+        && d->port == -1
+        && d->path.isEmpty() && d->encodedPath.isEmpty()
+        && d->query.isEmpty()
+        && d->fragment.isEmpty() && d->encodedFragment.isEmpty();
+}
+
+/*!
+    Resets the content of the QUrl. After calling this function, the
+    QUrl is equal to one that has been constructed with the default
+    empty constructor.
+*/
+void QUrl::clear()
+{
+    detach();
+    d->clear();
+}
+
+/*!
+    Constructs a URL by parsing the contents of \a url.
+
+    \a url is assumed to be in unicode format, with no percent
+    encoding.
+
+    Calling isValid() will tell whether or not a valid URL was
+    constructed.
+
+    \sa setEncodedUrl()
+*/
+void QUrl::setUrl(const QString &url)
+{
+    setUrl(url, TolerantMode);
+}
+
+/*!
+    \overload
+
+    Parses \a url using the parsing mode \a parsingMode.
+
+    \sa setEncodedUrl()
+*/
+void QUrl::setUrl(const QString &url, ParsingMode parsingMode)
+{
+    // escape all reserved characters and delimiters
+    // reserved      = gen-delims / sub-delims
+    if (parsingMode != TolerantMode) {
+        setEncodedUrl(toPercentEncodingHelper(url, ABNF_reserved), parsingMode);
+        return;
+    }
+
+    // Tolerant preprocessing
+    QString tmp = url;
+
+    // Allow %20 in the QString variant
+    tmp.replace(QLatin1String("%20"), QLatin1String(" "));
+
+    // Percent-encode unsafe ASCII characters after host part
+    int start = tmp.indexOf(QLatin1String("//"));
+    if (start != -1) {
+        // Has host part, find delimiter
+        start += 2; // skip "//"
+        const char delims[] = "/#?";
+        const char *d = delims;
+        int hostEnd = -1;
+        while (*d && (hostEnd = tmp.indexOf(QLatin1Char(*d), start)) == -1)
+            ++d;
+        start = (hostEnd == -1) ? -1 : hostEnd + 1;
+    } else {
+        start = 0; // Has no host part
+    }
+    QByteArray encodedUrl;
+    if (start != -1) {
+        QString hostPart = tmp.left(start);
+        QString otherPart = tmp.mid(start);
+        encodedUrl = toPercentEncodingHelper(hostPart, ":/?#[]@!$&'()*+,;=")
+                   + toPercentEncodingHelper(otherPart, ":/?#@!$&'()*+,;=");
+    } else {
+        encodedUrl = toPercentEncodingHelper(tmp, ABNF_reserved);
+    }
+    setEncodedUrl(encodedUrl, StrictMode);
+}
+
+/*!
+    Constructs a URL by parsing the contents of \a encodedUrl.
+
+    \a encodedUrl is assumed to be a URL string in percent encoded
+    form, containing only ASCII characters.
+
+    Use isValid() to determine if a valid URL was constructed.
+
+    \sa setUrl()
+*/
+void QUrl::setEncodedUrl(const QByteArray &encodedUrl)
+{
+    setEncodedUrl(encodedUrl, TolerantMode);
+}
+
+inline static bool isHex(char c)
+{
+    c |= 0x20;
+    return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f');
+}
+
+static inline char toHex(quint8 c)
+{
+    return c > 9 ? c - 10 + 'A' : c + '0';
+}
+
+/*!
+    Constructs a URL by parsing the contents of \a encodedUrl using
+    the given \a parsingMode.
+*/
+void QUrl::setEncodedUrl(const QByteArray &encodedUrl, ParsingMode parsingMode)
+{
+    clear();
+    QByteArray tmp = encodedUrl;
+    if ((d->parsingMode = parsingMode) == TolerantMode) {
+        // Replace stray % with %25
+        QByteArray copy = tmp;
+        for (int i = 0, j = 0; i < copy.size(); ++i, ++j) {
+            if (copy.at(i) == '%') {
+                if (i + 2 >= copy.size() || !isHex(copy.at(i + 1)) || !isHex(copy.at(i + 2))) {
+                    tmp.replace(j, 1, "%25");
+                    j += 2;
+                }
+            }
+        }
+
+        // Find the host part
+        int hostStart = tmp.indexOf("//");
+        int hostEnd = -1;
+        if (hostStart != -1) {
+            // Has host part, find delimiter
+            hostStart += 2; // skip "//"
+            hostEnd = tmp.indexOf('/', hostStart);
+            if (hostEnd == -1)
+                hostEnd = tmp.indexOf('#', hostStart);
+            if (hostEnd == -1)
+                hostEnd = tmp.indexOf('?');
+            if (hostEnd == -1)
+                hostEnd = tmp.length() - 1;
+        }
+
+        // Reserved and unreserved characters are fine
+//         unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
+//         reserved      = gen-delims / sub-delims
+//         gen-delims    = ":" / "/" / "?" / "#" / "[" / "]" / "@"
+//         sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
+//                         / "*" / "+" / "," / ";" / "="
+        // Replace everything else with percent encoding
+        static const char doEncode[] = " \"<>[\\]^`{|}";
+        static const char doEncodeHost[] = " \"<>\\^`{|}";
+        for (int i = 0; i < tmp.size(); ++i) {
+            quint8 c = quint8(tmp.at(i));
+            if (c < 32 || c > 127 ||
+                strchr(hostStart <= i && i <= hostEnd ? doEncodeHost : doEncode, c)) {
+                char buf[4];
+                buf[0] = '%';
+                buf[1] = toHex(c >> 4);
+                buf[2] = toHex(c & 0xf);
+                buf[3] = '\0';
+                tmp.replace(i, 1, buf);
+                i += 2;
+            }
+        }
+    }
+
+    d->encodedOriginal = tmp;
+}
+
+/*!
+    Sets the scheme of the URL to \a scheme. As a scheme can only
+    contain ASCII characters, no conversion or encoding is done on the
+    input.
+
+    The scheme describes the type (or protocol) of the URL. It's
+    represented by one or more ASCII characters at the start the URL,
+    and is followed by a ':'. The following example shows a URL where
+    the scheme is "ftp":
+
+    \img qurl-authority2.png
+
+    The scheme can also be empty, in which case the URL is interpreted
+    as relative.
+
+    \sa scheme(), isRelative()
+*/
+void QUrl::setScheme(const QString &scheme)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->scheme = scheme;
+}
+
+/*!
+    Returns the scheme of the URL. If an empty string is returned,
+    this means the scheme is undefined and the URL is then relative.
+
+    \sa setScheme(), isRelative()
+*/
+QString QUrl::scheme() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    return d->scheme;
+}
+
+/*!
+    Sets the authority of the URL to \a authority.
+
+    The authority of a URL is the combination of user info, a host
+    name and a port. All of these elements are optional; an empty
+    authority is therefore valid.
+
+    The user info and host are separated by a '@', and the host and
+    port are separated by a ':'. If the user info is empty, the '@'
+    must be omitted; although a stray ':' is permitted if the port is
+    empty.
+
+    The following example shows a valid authority string:
+
+    \img qurl-authority.png
+*/
+void QUrl::setAuthority(const QString &authority)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->setAuthority(authority);
+}
+
+/*!
+    Returns the authority of the URL if it is defined; otherwise
+    an empty string is returned.
+
+    \sa setAuthority()
+*/
+QString QUrl::authority() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    return d->authority();
+}
+
+/*!
+    Sets the user info of the URL to \a userInfo. The user info is an
+    optional part of the authority of the URL, as described in
+    setAuthority().
+
+    The user info consists of a user name and optionally a password,
+    separated by a ':'. If the password is empty, the colon must be
+    omitted. The following example shows a valid user info string:
+
+    \img qurl-authority3.png
+
+    \sa userInfo(), setUserName(), setPassword(), setAuthority()
+*/
+void QUrl::setUserInfo(const QString &userInfo)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->setUserInfo(userInfo.trimmed());
+}
+
+/*!
+    Returns the user info of the URL, or an empty string if the user
+    info is undefined.
+*/
+QString QUrl::userInfo() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    return d->userInfo();
+}
+
+/*!
+    Sets the URL's user name to \a userName. The \a userName is part
+    of the user info element in the authority of the URL, as described
+    in setUserInfo().
+
+    \sa setEncodedUserName(), userName(), setUserInfo()
+*/
+void QUrl::setUserName(const QString &userName)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->userName = userName;
+    d->encodedUserName.clear();
+}
+
+/*!
+    Returns the user name of the URL if it is defined; otherwise
+    an empty string is returned.
+
+    \sa setUserName(), encodedUserName()
+*/
+QString QUrl::userName() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    d->userInfo();              // causes the unencoded form to be set
+    return d->userName;
+}
+
+/*!
+    \since 4.4
+
+    Sets the URL's user name to the percent-encoded \a userName. The \a
+    userName is part of the user info element in the authority of the
+    URL, as described in setUserInfo().
+
+    Note: this function does not verify that \a userName is properly
+    encoded. It is the caller's responsibility to ensure that the any
+    delimiters (such as colons or slashes) are properly encoded.
+
+    \sa setUserName(), encodedUserName(), setUserInfo()
+*/
+void QUrl::setEncodedUserName(const QByteArray &userName)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->encodedUserName = userName;
+    d->userName.clear();
+}
+
+/*!
+    \since 4.4
+
+    Returns the user name of the URL if it is defined; otherwise
+    an empty string is returned. The returned value will have its
+    non-ASCII and other control characters percent-encoded, as in
+    toEncoded().
+
+    \sa setEncodedUserName()
+*/
+QByteArray QUrl::encodedUserName() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    d->ensureEncodedParts();
+    return d->encodedUserName;
+}
+
+/*!
+    Sets the URL's password to \a password. The \a password is part of
+    the user info element in the authority of the URL, as described in
+    setUserInfo().
+
+    \sa password(), setUserInfo()
+*/
+void QUrl::setPassword(const QString &password)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->password = password;
+    d->encodedPassword.clear();
+}
+
+/*!
+    Returns the password of the URL if it is defined; otherwise
+    an empty string is returned.
+
+    \sa setPassword()
+*/
+QString QUrl::password() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    d->userInfo();              // causes the unencoded form to be set
+    return d->password;
+}
+
+/*!
+    \since 4.4
+
+    Sets the URL's password to the percent-encoded \a password. The \a
+    password is part of the user info element in the authority of the
+    URL, as described in setUserInfo().
+
+    Note: this function does not verify that \a password is properly
+    encoded. It is the caller's responsibility to ensure that the any
+    delimiters (such as colons or slashes) are properly encoded.
+
+    \sa setPassword(), encodedPassword(), setUserInfo()
+*/
+void QUrl::setEncodedPassword(const QByteArray &password)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->encodedPassword = password;
+    d->password.clear();
+}
+
+/*!
+    \since 4.4
+
+    Returns the password of the URL if it is defined; otherwise an
+    empty string is returned. The returned value will have its
+    non-ASCII and other control characters percent-encoded, as in
+    toEncoded().
+
+    \sa setEncodedPassword(), toEncoded()
+*/
+QByteArray QUrl::encodedPassword() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    d->ensureEncodedParts();
+    return d->encodedPassword;
+}
+
+/*!
+    Sets the host of the URL to \a host. The host is part of the
+    authority.
+
+    \sa host(), setAuthority()
+*/
+void QUrl::setHost(const QString &host)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized | QUrlPrivate::HostCanonicalized);
+
+    d->host = host;
+    if (d->host.contains(QLatin1Char(':')))
+        d->host = QLatin1Char('[') + d->host + QLatin1Char(']');
+}
+
+/*!
+    Returns the host of the URL if it is defined; otherwise
+    an empty string is returned.
+*/
+QString QUrl::host() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    if (d->host.isEmpty() || d->host.at(0) != QLatin1Char('['))
+        return d->canonicalHost();
+    QString tmp = d->host.mid(1);
+    tmp.truncate(tmp.length() - 1);
+    return tmp;
+}
+
+/*!
+    \since 4.4
+
+    Sets the URL's host to the ACE- or percent-encoded \a host. The \a
+    host is part of the user info element in the authority of the
+    URL, as described in setAuthority().
+
+    \sa setHost(), encodedHost(), setAuthority(), fromAce()
+*/
+void QUrl::setEncodedHost(const QByteArray &host)
+{
+    setHost(fromPercentEncodingHelper(host));
+}
+
+/*!
+    \since 4.4
+
+    Returns the host part of the URL if it is defined; otherwise
+    an empty string is returned.
+
+    Note: encodedHost() does not return percent-encoded hostnames. Instead,
+    the ACE-encoded (bare ASCII in Punycode encoding) form will be
+    returned for any non-ASCII hostname.
+
+    This function is equivalent to calling QUrl::toAce() on the return
+    value of host().
+
+    \sa setEncodedHost()
+*/
+QByteArray QUrl::encodedHost() const
+{
+    // should we cache this in d->encodedHost?
+    return QUrl::toAce(host());
+}
+
+/*!
+    Sets the port of the URL to \a port. The port is part of the
+    authority of the URL, as described in setAuthority().
+
+    \a port must be between 0 and 65535 inclusive. Setting the
+    port to -1 indicates that the port is unspecified.
+*/
+void QUrl::setPort(int port)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    if (port < -1 || port > 65535) {
+        qWarning("QUrl::setPort: Out of range");
+        port = -1;
+    }
+
+    d->port = port;
+}
+
+/*!
+    Returns the port of the URL, or -1 if the port is unspecified.
+*/
+int QUrl::port() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Validated)) d->validate();
+    return d->port;
+}
+
+/*!
+    \overload
+    \since 4.1
+
+    Returns the port of the URL, or \a defaultPort if the port is
+    unspecified.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qurl.cpp 3
+*/
+int QUrl::port(int defaultPort) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    return d->port == -1 ? defaultPort : d->port;
+}
+
+/*!
+    Sets the path of the URL to \a path. The path is the part of the
+    URL that comes after the authority but before the query string.
+
+    \img qurl-ftppath.png
+
+    For non-hierarchical schemes, the path will be everything
+    following the scheme declaration, as in the following example:
+
+    \img qurl-mailtopath.png
+
+    \sa path()
+*/
+void QUrl::setPath(const QString &path)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->path = path;
+    d->encodedPath.clear();
+}
+
+/*!
+    Returns the path of the URL.
+
+    \sa setPath()
+*/
+QString QUrl::path() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    if (d->path.isNull()) {
+        QUrlPrivate *that = const_cast<QUrlPrivate *>(d);
+        that->path = fromPercentEncodingHelper(d->encodedPath);
+    }
+    return d->path;
+}
+
+/*!
+    \since 4.4
+
+    Sets the URL's path to the percent-encoded \a path.  The path is
+    the part of the URL that comes after the authority but before the
+    query string.
+
+    \img qurl-ftppath.png
+
+    For non-hierarchical schemes, the path will be everything
+    following the scheme declaration, as in the following example:
+
+    \img qurl-mailtopath.png
+
+    Note: this function does not verify that \a path is properly
+    encoded. It is the caller's responsibility to ensure that the any
+    delimiters (such as '?' and '#') are properly encoded.
+
+    \sa setPath(), encodedPath(), setUserInfo()
+*/
+void QUrl::setEncodedPath(const QByteArray &path)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->encodedPath = path;
+    d->path.clear();
+}
+
+/*!
+    \since 4.4
+
+    Returns the path of the URL if it is defined; otherwise an
+    empty string is returned. The returned value will have its
+    non-ASCII and other control characters percent-encoded, as in
+    toEncoded().
+
+    \sa setEncodedPath(), toEncoded()
+*/
+QByteArray QUrl::encodedPath() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    d->ensureEncodedParts();
+    return d->encodedPath;
+}
+
+/*!
+    \since 4.2
+
+    Returns true if this URL contains a Query (i.e., if ? was seen on it).
+
+    \sa hasQueryItem(), encodedQuery()
+*/
+bool QUrl::hasQuery() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    return d->hasQuery;
+}
+
+/*!
+    Sets the characters used for delimiting between keys and values,
+    and between key-value pairs in the URL's query string. The default
+    value delimiter is '=' and the default pair delimiter is '&'.
+
+    \img qurl-querystring.png
+
+    \a valueDelimiter will be used for separating keys from values,
+    and \a pairDelimiter will be used to separate key-value pairs.
+    Any occurrences of these delimiting characters in the encoded
+    representation of the keys and values of the query string are
+    percent encoded.
+
+    If \a valueDelimiter is set to '-' and \a pairDelimiter is '/',
+    the above query string would instead be represented like this:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qurl.cpp 4
+
+    Calling this function does not change the delimiters of the
+    current query string. It only affects queryItems(),
+    setQueryItems() and addQueryItems().
+*/
+void QUrl::setQueryDelimiters(char valueDelimiter, char pairDelimiter)
+{
+    detach();
+
+    d->valueDelimiter = valueDelimiter;
+    d->pairDelimiter = pairDelimiter;
+}
+
+/*!
+    Returns the character used to delimit between key-value pairs in
+    the query string of the URL.
+*/
+char QUrl::queryPairDelimiter() const
+{
+    return d->pairDelimiter;
+}
+
+/*!
+    Returns the character used to delimit between keys and values in
+    the query string of the URL.
+*/
+char QUrl::queryValueDelimiter() const
+{
+    return d->valueDelimiter;
+}
+
+/*!
+    Sets the query string of the URL to \a query. The string is
+    inserted as-is, and no further encoding is performed when calling
+    toEncoded().
+
+    This function is useful if you need to pass a query string that
+    does not fit into the key-value pattern, or that uses a different
+    scheme for encoding special characters than what is suggested by
+    QUrl.
+
+    Passing a value of QByteArray() to \a query (a null QByteArray) unsets
+    the query completely. However, passing a value of QByteArray("")
+    will set the query to an empty value, as if the original URL
+    had a lone "?".
+
+    \sa encodedQuery(), hasQuery()
+*/
+void QUrl::setEncodedQuery(const QByteArray &query)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->query = query;
+    d->hasQuery = !query.isNull();
+}
+
+/*!
+    Sets the query string of the URL to an encoded version of \a
+    query. The contents of \a query are converted to a string
+    internally, each pair delimited by the character returned by
+    pairDelimiter(), and the key and value are delimited by
+    valueDelimiter().
+
+    \sa setQueryDelimiters(), queryItems(), setEncodedQueryItems()
+*/
+void QUrl::setQueryItems(const QList<QPair<QString, QString> > &query)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+
+    char alsoEncode[3];
+    alsoEncode[0] = d->valueDelimiter;
+    alsoEncode[1] = d->pairDelimiter;
+    alsoEncode[2] = 0;
+
+    QByteArray queryTmp;
+    for (int i = 0; i < query.size(); i++) {
+        if (i) queryTmp += d->pairDelimiter;
+        // query = *( pchar / "/" / "?" )
+        queryTmp += toPercentEncodingHelper(query.at(i).first, queryExcludeChars, alsoEncode);
+        queryTmp += d->valueDelimiter;
+        // query = *( pchar / "/" / "?" )
+        queryTmp += toPercentEncodingHelper(query.at(i).second, queryExcludeChars, alsoEncode);
+    }
+
+    d->query = queryTmp;
+    d->hasQuery = !query.isEmpty();
+}
+
+/*!
+    \since 4.4
+
+    Sets the query string of the URL to the encoded version of \a
+    query. The contents of \a query are converted to a string
+    internally, each pair delimited by the character returned by
+    pairDelimiter(), and the key and value are delimited by
+    valueDelimiter().
+
+    Note: this function does not verify that the key-value pairs
+    are properly encoded. It is the caller's responsibility to ensure
+    that the query delimiters are properly encoded, if any.
+
+    \sa setQueryDelimiters(), encodedQueryItems(), setQueryItems()
+*/
+void QUrl::setEncodedQueryItems(const QList<QPair<QByteArray, QByteArray> > &query)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+
+    QByteArray queryTmp;
+    for (int i = 0; i < query.size(); i++) {
+        if (i) queryTmp += d->pairDelimiter;
+        queryTmp += query.at(i).first;
+        queryTmp += d->valueDelimiter;
+        queryTmp += query.at(i).second;
+    }
+
+    d->query = queryTmp;
+    d->hasQuery = !query.isEmpty();
+}
+
+/*!
+    Inserts the pair \a key = \a value into the query string of the
+    URL.
+
+    \sa addEncodedQueryItem()
+*/
+void QUrl::addQueryItem(const QString &key, const QString &value)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+
+    char alsoEncode[3];
+    alsoEncode[0] = d->valueDelimiter;
+    alsoEncode[1] = d->pairDelimiter;
+    alsoEncode[2] = 0;
+
+    if (!d->query.isEmpty())
+        d->query += d->pairDelimiter;
+
+    // query = *( pchar / "/" / "?" )
+    d->query += toPercentEncodingHelper(key, queryExcludeChars, alsoEncode);
+    d->query += d->valueDelimiter;
+    // query = *( pchar / "/" / "?" )
+    d->query += toPercentEncodingHelper(value, queryExcludeChars, alsoEncode);
+
+    d->hasQuery = !d->query.isEmpty();
+}
+
+/*!
+    \since 4.4
+
+    Inserts the pair \a key = \a value into the query string of the
+    URL.
+
+    Note: this function does not verify that either \a key or \a value
+    are properly encoded. It is the caller's responsibility to ensure
+    that the query delimiters are properly encoded, if any.
+
+    \sa addQueryItem(), setQueryDelimiters()
+*/
+void QUrl::addEncodedQueryItem(const QByteArray &key, const QByteArray &value)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+
+    if (!d->query.isEmpty())
+        d->query += d->pairDelimiter;
+
+    d->query += key;
+    d->query += d->valueDelimiter;
+    d->query += value;
+
+    d->hasQuery = !d->query.isEmpty();
+}
+
+/*!
+    Returns the query string of the URL, as a map of keys and values.
+
+    \sa setQueryItems(), setEncodedQuery()
+*/
+QList<QPair<QString, QString> > QUrl::queryItems() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    QList<QPair<QString, QString> > itemMap;
+
+    int pos = 0;
+    const char *query = d->query.constData();
+    while (pos < d->query.size()) {
+        int valuedelim, end;
+        d->queryItem(pos, &valuedelim, &end);
+        QByteArray q(query + pos, valuedelim - pos);
+        if (valuedelim < end) {
+            QByteArray v(query + valuedelim + 1, end - valuedelim - 1);
+            itemMap += qMakePair(fromPercentEncodingMutable(&q),
+                                 fromPercentEncodingMutable(&v));
+        } else {
+            itemMap += qMakePair(fromPercentEncodingMutable(&q), QString());
+        }
+        pos = end + 1;
+    }
+
+    return itemMap;
+}
+
+/*!
+    \since 4.4
+
+    Returns the query string of the URL, as a map of encoded keys and values.
+
+    \sa setEncodedQueryItems(), setQueryItems(), setEncodedQuery()
+*/
+QList<QPair<QByteArray, QByteArray> > QUrl::encodedQueryItems() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    QList<QPair<QByteArray, QByteArray> > itemMap;
+
+    int pos = 0;
+    const char *query = d->query.constData();
+    while (pos < d->query.size()) {
+        int valuedelim, end;
+        d->queryItem(pos, &valuedelim, &end);
+        if (valuedelim < end)
+            itemMap += qMakePair(QByteArray(query + pos, valuedelim - pos),
+                                 QByteArray(query + valuedelim + 1, end - valuedelim - 1));
+        else
+            itemMap += qMakePair(QByteArray(query + pos, valuedelim - pos), QByteArray());
+        pos = end + 1;
+    }
+
+    return itemMap;
+}
+
+/*!
+    Returns true if there is a query string pair whose key is equal
+    to \a key from the URL.
+
+    \sa hasEncodedQueryItem()
+*/
+bool QUrl::hasQueryItem(const QString &key) const
+{
+    return hasEncodedQueryItem(toPercentEncoding(key, queryExcludeChars));
+}
+
+/*!
+    \since 4.4
+
+    Returns true if there is a query string pair whose key is equal
+    to \a key from the URL.
+
+    Note: if the encoded \a key does not match the encoded version of
+    the query, this function will return false. That is, if the
+    encoded query of this URL is "search=Qt%20Rules", calling this
+    function with \a key = "%73earch" will return false.
+
+    \sa hasQueryItem()
+*/
+bool QUrl::hasEncodedQueryItem(const QByteArray &key) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    int pos = 0;
+    const char *query = d->query.constData();
+    while (pos < d->query.size()) {
+        int valuedelim, end;
+        d->queryItem(pos, &valuedelim, &end);
+        if (key == QByteArray::fromRawData(query + pos, valuedelim - pos))
+            return true;
+        pos = end + 1;
+    }
+    return false;
+}
+
+/*!
+    Returns the first query string value whose key is equal to \a key
+    from the URL.
+
+    \sa allQueryItemValues()
+*/
+QString QUrl::queryItemValue(const QString &key) const
+{
+    QByteArray tmp = encodedQueryItemValue(toPercentEncoding(key, queryExcludeChars));
+    return fromPercentEncodingMutable(&tmp);
+}
+
+/*!
+    \since 4.4
+
+    Returns the first query string value whose key is equal to \a key
+    from the URL.
+
+    Note: if the encoded \a key does not match the encoded version of
+    the query, this function will not work. That is, if the
+    encoded query of this URL is "search=Qt%20Rules", calling this
+    function with \a key = "%73earch" will return an empty string.
+
+    \sa queryItemValue(), allQueryItemValues()
+*/
+QByteArray QUrl::encodedQueryItemValue(const QByteArray &key) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    int pos = 0;
+    const char *query = d->query.constData();
+    while (pos < d->query.size()) {
+        int valuedelim, end;
+        d->queryItem(pos, &valuedelim, &end);
+        if (key == QByteArray::fromRawData(query + pos, valuedelim - pos))
+            return valuedelim < end ?
+                QByteArray(query + valuedelim + 1, end - valuedelim - 1) : QByteArray();
+        pos = end + 1;
+    }
+    return QByteArray();
+}
+
+/*!
+    Returns the a list of query string values whose key is equal to
+    \a key from the URL.
+
+    \sa queryItemValue()
+*/
+QStringList QUrl::allQueryItemValues(const QString &key) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    QByteArray encodedKey = toPercentEncoding(key, queryExcludeChars);
+    QStringList values;
+
+    int pos = 0;
+    const char *query = d->query.constData();
+    while (pos < d->query.size()) {
+        int valuedelim, end;
+        d->queryItem(pos, &valuedelim, &end);
+        if (encodedKey == QByteArray::fromRawData(query + pos, valuedelim - pos)) {
+            QByteArray v(query + valuedelim + 1, end - valuedelim - 1);
+            values += valuedelim < end ?
+                      fromPercentEncodingMutable(&v)
+                      : QString();
+        }
+        pos = end + 1;
+    }
+
+    return values;
+}
+
+/*!
+    \since 4.4
+
+    Returns the a list of query string values whose key is equal to
+    \a key from the URL.
+
+    Note: if the encoded \a key does not match the encoded version of
+    the query, this function will not work. That is, if the
+    encoded query of this URL is "search=Qt%20Rules", calling this
+    function with \a key = "%73earch" will return an empty list.
+
+    \sa allQueryItemValues(), queryItemValue(), encodedQueryItemValue()
+*/
+QList<QByteArray> QUrl::allEncodedQueryItemValues(const QByteArray &key) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    QList<QByteArray> values;
+
+    int pos = 0;
+    const char *query = d->query.constData();
+    while (pos < d->query.size()) {
+        int valuedelim, end;
+        d->queryItem(pos, &valuedelim, &end);
+        if (key == QByteArray::fromRawData(query + pos, valuedelim - pos))
+            values += valuedelim < end ?
+                      QByteArray(query + valuedelim + 1, end - valuedelim - 1)
+                      : QByteArray();
+        pos = end + 1;
+    }
+
+    return values;
+}
+
+/*!
+    Removes the first query string pair whose key is equal to \a key
+    from the URL.
+
+    \sa removeAllQueryItems()
+*/
+void QUrl::removeQueryItem(const QString &key)
+{
+    removeEncodedQueryItem(toPercentEncoding(key, queryExcludeChars));
+}
+
+/*!
+    \since 4.4
+
+    Removes the first query string pair whose key is equal to \a key
+    from the URL.
+
+    Note: if the encoded \a key does not match the encoded version of
+    the query, this function will not work. That is, if the
+    encoded query of this URL is "search=Qt%20Rules", calling this
+    function with \a key = "%73earch" will do nothing.
+
+    \sa removeQueryItem(), removeAllQueryItems()
+*/
+void QUrl::removeEncodedQueryItem(const QByteArray &key)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+
+    int pos = 0;
+    const char *query = d->query.constData();
+    while (pos < d->query.size()) {
+        int valuedelim, end;
+        d->queryItem(pos, &valuedelim, &end);
+        if (key == QByteArray::fromRawData(query + pos, valuedelim - pos)) {
+            if (end < d->query.size())
+                ++end; // remove additional '%'
+            d->query.remove(pos, end - pos);
+            return;
+        }
+        pos = end + 1;
+    }
+}
+
+/*!
+    Removes all the query string pairs whose key is equal to \a key
+    from the URL.
+
+   \sa removeQueryItem()
+*/
+void QUrl::removeAllQueryItems(const QString &key)
+{
+    removeAllEncodedQueryItems(toPercentEncoding(key, queryExcludeChars));
+}
+
+/*!
+    \since 4.4
+
+    Removes all the query string pairs whose key is equal to \a key
+    from the URL.
+
+    Note: if the encoded \a key does not match the encoded version of
+    the query, this function will not work. That is, if the
+    encoded query of this URL is "search=Qt%20Rules", calling this
+    function with \a key = "%73earch" will do nothing.
+
+   \sa removeQueryItem()
+*/
+void QUrl::removeAllEncodedQueryItems(const QByteArray &key)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+
+    int pos = 0;
+    const char *query = d->query.constData();
+    while (pos < d->query.size()) {
+        int valuedelim, end;
+        d->queryItem(pos, &valuedelim, &end);
+        if (key == QByteArray::fromRawData(query + pos, valuedelim - pos)) {
+            if (end < d->query.size())
+                ++end; // remove additional '%'
+            d->query.remove(pos, end - pos);
+        } else {
+            pos = end + 1;
+        }
+    }
+}
+
+/*!
+    Returns the query string of the URL in percent encoded form.
+*/
+QByteArray QUrl::encodedQuery() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    return d->query;
+}
+
+/*!
+    Sets the fragment of the URL to \a fragment. The fragment is the
+    last part of the URL, represented by a '#' followed by a string of
+    characters. It is typically used in HTTP for referring to a
+    certain link or point on a page:
+
+    \img qurl-fragment.png
+
+    The fragment is sometimes also referred to as the URL "reference".
+
+    Passing an argument of QString() (a null QString) will unset the fragment.
+    Passing an argument of QString("") (an empty but not null QString)
+    will set the fragment to an empty string (as if the original URL
+    had a lone "#").
+
+    \sa fragment(), hasFragment()
+*/
+void QUrl::setFragment(const QString &fragment)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->fragment = fragment;
+    d->hasFragment = !fragment.isNull();
+    d->encodedFragment.clear();
+}
+
+/*!
+    Returns the fragment of the URL.
+
+    \sa setFragment()
+*/
+QString QUrl::fragment() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    if (d->fragment.isNull() && !d->encodedFragment.isNull()) {
+        QUrlPrivate *that = const_cast<QUrlPrivate *>(d);
+        that->fragment = fromPercentEncodingHelper(d->encodedFragment);
+    }
+    return d->fragment;
+}
+
+/*!
+    \since 4.4
+
+    Sets the URL's fragment to the percent-encoded \a fragment. The fragment is the
+    last part of the URL, represented by a '#' followed by a string of
+    characters. It is typically used in HTTP for referring to a
+    certain link or point on a page:
+
+    \img qurl-fragment.png
+
+    The fragment is sometimes also referred to as the URL "reference".
+
+    Passing an argument of QByteArray() (a null QByteArray) will unset
+    the fragment.  Passing an argument of QByteArray("") (an empty but
+    not null QByteArray) will set the fragment to an empty string (as
+    if the original URL had a lone "#").
+
+    \sa setFragment(), encodedFragment()
+*/
+void QUrl::setEncodedFragment(const QByteArray &fragment)
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    detach();
+    QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
+
+    d->encodedFragment = fragment;
+    d->hasFragment = !fragment.isNull();
+    d->fragment.clear();
+}
+
+/*!
+    \since 4.4
+
+    Returns the fragment of the URL if it is defined; otherwise an
+    empty string is returned. The returned value will have its
+    non-ASCII and other control characters percent-encoded, as in
+    toEncoded().
+
+    \sa setEncodedFragment(), toEncoded()
+*/
+QByteArray QUrl::encodedFragment() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    d->ensureEncodedParts();
+    return d->encodedFragment;
+}
+
+/*!
+    \since 4.2
+
+    Returns true if this URL contains a fragment (i.e., if # was seen on it).
+
+    \sa fragment(), setFragment()
+*/
+bool QUrl::hasFragment() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    return d->hasFragment;
+}
+
+/*!
+    Returns the result of the merge of this URL with \a relative. This
+    URL is used as a base to convert \a relative to an absolute URL.
+
+    If \a relative is not a relative URL, this function will return \a
+    relative directly. Otherwise, the paths of the two URLs are
+    merged, and the new URL returned has the scheme and authority of
+    the base URL, but with the merged path, as in the following
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_io_qurl.cpp 5
+
+    Calling resolved() with ".." returns a QUrl whose directory is
+    one level higher than the original. Similarly, calling resolved()
+    with "../.." removes two levels from the path. If \a relative is
+    "/", the path becomes "/".
+
+    \sa isRelative()
+*/
+QUrl QUrl::resolved(const QUrl &relative) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    if (!QURL_HASFLAG(relative.d->stateFlags, QUrlPrivate::Parsed))
+        relative.d->parse();
+
+    d->ensureEncodedParts();
+    relative.d->ensureEncodedParts();
+
+    QUrl t;
+    // be non strict and allow scheme in relative url
+    if (!relative.d->scheme.isEmpty() && relative.d->scheme != d->scheme) {
+        t = relative;
+    } else {
+        if (!relative.authority().isEmpty()) {
+            t = relative;
+        } else {
+            if (relative.d->encodedPath.isEmpty()) {
+                t.d->encodedPath = d->encodedPath;
+                t.setEncodedQuery(relative.d->hasQuery ? relative.d->query : d->query);
+            } else {
+                t.d->encodedPath = relative.d->encodedPath.at(0) == '/'
+                                       ? relative.d->encodedPath
+                                       : d->mergePaths(relative.d->encodedPath);
+                t.setEncodedQuery(relative.d->query);
+            }
+            t.d->encodedUserName = d->encodedUserName;
+            t.d->encodedPassword = d->encodedPassword;
+            t.d->host = d->host;
+            t.d->port = d->port;
+        }
+        t.setScheme(d->scheme);
+    }
+    t.setFragment(relative.fragment());
+    removeDotsFromPath(&t.d->encodedPath);
+    t.d->path.clear();
+
+    return t;
+}
+
+/*!
+    Returns true if the URL is relative; otherwise returns false. A
+    URL is relative if its scheme is undefined; this function is
+    therefore equivalent to calling scheme().isEmpty().
+*/
+bool QUrl::isRelative() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    return d->scheme.isEmpty();
+}
+
+/*!
+    Returns the human-displayable string representation of the
+    URL. The output can be customized by passing flags with \a
+    options.
+
+    \sa FormattingOptions, toEncoded()
+*/
+QString QUrl::toString(FormattingOptions options) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    QString url;
+
+    if (!(options & QUrl::RemoveScheme) && !d->scheme.isEmpty())
+        url += d->scheme + QLatin1Char(':');
+    QString ourPath = path();
+    if ((options & QUrl::RemoveAuthority) != QUrl::RemoveAuthority) {
+        bool doFileScheme = d->scheme == QLatin1String("file") && ourPath.startsWith(QLatin1Char('/'));
+        QString tmp = d->authority(options);
+        if (!tmp.isEmpty() || doFileScheme) {
+            if (doFileScheme && !ourPath.startsWith(QLatin1Char('/')))
+                url += QLatin1Char('/');
+            url += QLatin1String("//");
+            url += tmp;
+        }
+    }
+    if (!(options & QUrl::RemovePath)) {
+        // check if we need to insert a slash
+        if ((options & QUrl::RemoveAuthority) != QUrl::RemoveAuthority
+            && !d->authority(options).isEmpty() && !ourPath.isEmpty() && ourPath.at(0) != QLatin1Char('/'))
+            url += QLatin1Char('/');
+        url += ourPath;
+        // check if we need to remove trailing slashes
+        while ((options & StripTrailingSlash) && url.right(1) == QLatin1String("/"))
+            url.chop(1);
+    }
+
+    if (!(options & QUrl::RemoveQuery) && d->hasQuery) {
+        url += QLatin1Char('?');
+        url += fromPercentEncoding(d->query);
+    }
+    if (!(options & QUrl::RemoveFragment) && d->hasFragment) {
+        url += QLatin1Char('#');
+        url += fragment();
+    }
+
+    return url;
+}
+
+/*!
+    Returns the encoded representation of the URL if it's valid;
+    otherwise an empty QByteArray is returned. The output can be
+    customized by passing flags with \a options.
+
+    The user info, path and fragment are all converted to UTF-8, and
+    all non-ASCII characters are then percent encoded. The host name
+    is encoded using Punycode.
+*/
+QByteArray QUrl::toEncoded(FormattingOptions options) const
+{
+    return d->toEncoded(options);
+}
+
+/*!
+    Parses \a input and returns the corresponding QUrl. \a input is
+    assumed to be in encoded form, containing only ASCII characters.
+
+    The URL is parsed using TolerantMode.
+
+    \sa toEncoded(), setUrl()
+*/
+QUrl QUrl::fromEncoded(const QByteArray &input)
+{
+    QUrl tmp;
+    tmp.setEncodedUrl(input, TolerantMode);
+    return tmp;
+}
+
+/*!
+    \overload
+
+    Parses the URL using \a parsingMode.
+
+    \sa toEncoded(), setUrl()
+*/
+QUrl QUrl::fromEncoded(const QByteArray &input, ParsingMode parsingMode)
+{
+    QUrl tmp;
+    tmp.setEncodedUrl(input, parsingMode);
+    return tmp;
+}
+
+/*!
+    Returns a decoded copy of \a input. \a input is first decoded from
+    percent encoding, then converted from UTF-8 to unicode.
+*/
+QString QUrl::fromPercentEncoding(const QByteArray &input)
+{
+    return fromPercentEncodingHelper(input);
+}
+
+/*!
+    Returns an encoded copy of \a input. \a input is first converted
+    to UTF-8, and all ASCII-characters that are not in the unreserved group
+    are percent encoded. To prevent characters from being percent encoded
+    pass them to \a exclude. To force characters to be percent encoded pass
+    them to \a include.
+
+    Unreserved is defined as:
+       ALPHA / DIGIT / "-" / "." / "_" / "~"
+
+    \snippet doc/src/snippets/code/src_corelib_io_qurl.cpp 6
+*/
+QByteArray QUrl::toPercentEncoding(const QString &input, const QByteArray &exclude, const QByteArray &include)
+{
+    return toPercentEncodingHelper(input, exclude.constData(), include.constData());
+}
+
+/*!
+    \obsolete
+    Returns a \a uc in Punycode encoding.
+
+    Punycode is a Unicode encoding used for internationalized domain
+    names, as defined in RFC3492. If you want to convert a domain name from
+    Unicode to its ASCII-compatible representation, use toAce().
+*/
+QByteArray QUrl::toPunycode(const QString &uc)
+{
+    QByteArray output;
+    toPunycodeHelper(uc.constData(), uc.size(), &output);
+    return output;
+}
+
+/*!
+    \obsolete
+    Returns the Punycode decoded representation of \a pc.
+
+    Punycode is a Unicode encoding used for internationalized domain
+    names, as defined in RFC3492. If you want to convert a domain from
+    its ASCII-compatible encoding to the Unicode representation, use
+    fromAce().
+*/
+QString QUrl::fromPunycode(const QByteArray &pc)
+{
+    uint n = initial_n;
+    uint i = 0;
+    uint bias = initial_bias;
+
+    // strip any ACE prefix
+    int start = pc.startsWith("xn--") ? 4 : 0;
+    if (!start)
+        return QString::fromLatin1(pc);
+
+    // find the last delimiter character '-' in the input array. copy
+    // all data before this delimiter directly to the output array.
+    int delimiterPos = pc.lastIndexOf(0x2d);
+    QString output = delimiterPos < 4 ?
+                     QString() : QString::fromLatin1(pc.constData() + start, delimiterPos - start);
+
+    // if a delimiter was found, skip to the position after it;
+    // otherwise start at the front of the input string. everything
+    // before the delimiter is assumed to be basic code points.
+    uint cnt = delimiterPos + 1;
+
+    // loop through the rest of the input string, inserting non-basic
+    // characters into output as we go.
+    while (cnt < (uint) pc.size()) {
+        uint oldi = i;
+        uint w = 1;
+
+        // find the next index for inserting a non-basic character.
+        for (uint k = base; cnt < (uint) pc.size(); k += base) {
+            // grab a character from the punycode input and find its
+            // delta digit (each digit code is part of the
+            // variable-length integer delta)
+            uint digit = pc.at(cnt++);
+            if (digit - 48 < 10) digit -= 22;
+            else if (digit - 65 < 26) digit -= 65;
+            else if (digit - 97 < 26) digit -= 97;
+            else digit = base;
+
+            // reject out of range digits
+            if (digit >= base || digit > (Q_MAXINT - i) / w)
+                return QLatin1String("");
+
+            i += (digit * w);
+
+            // detect threshold to stop reading delta digits
+            uint t;
+            if (k <= bias) t = tmin;
+            else if (k >= bias + tmax) t = tmax;
+            else t = k - bias;
+            if (digit < t) break;
+
+            w *= (base - t);
+        }
+
+        // find new bias and calculate the next non-basic code
+        // character.
+        bias = adapt(i - oldi, output.length() + 1, oldi == 0);
+        n += i / (output.length() + 1);
+
+        // allow the deltas to wrap around
+        i %= (output.length() + 1);
+
+        // insert the character n at position i
+        output.insert((uint) i, QChar((ushort) n));
+        ++i;
+    }
+
+    return output;
+}
+
+/*!
+    \since 4.2
+
+    Returns the Unicode form of the given domain name
+    \a domain, which is encoded in the ASCII Compatible Encoding (ACE).
+    The result of this function is considered equivalent to \a domain.
+
+    If the value in \a domain cannot be encoded, it will be converted
+    to QString and returned.
+
+    The ASCII Compatible Encoding (ACE) is defined by RFC 3490, RFC 3491
+    and RFC 3492. It is part of the Internationalizing Domain Names in
+    Applications (IDNA) specification, which allows for domain names
+    (like \c "qtsoftware.com") to be written using international
+    characters.
+*/
+QString QUrl::fromAce(const QByteArray &domain)
+{
+    return qt_from_ACE(QString::fromLatin1(domain));
+}
+
+/*!
+    \since 4.2
+
+    Returns the ASCII Compatible Encoding of the given domain name \a domain.
+    The result of this function is considered equivalent to \a domain.
+
+    The ASCII-Compatible Encoding (ACE) is defined by RFC 3490, RFC 3491
+    and RFC 3492. It is part of the Internationalizing Domain Names in
+    Applications (IDNA) specification, which allows for domain names
+    (like \c "qtsoftware.com") to be written using international
+    characters.
+*/
+QByteArray QUrl::toAce(const QString &domain)
+{
+    // IDNA / rfc3490 describes these four delimiters used for
+    // separating labels in unicode international domain
+    // names.
+    QString nameprepped = qt_nameprep(domain);
+    int lastIdx = 0;
+    QByteArray result;
+    for (int i = 0; i < nameprepped.size(); ++i) {
+        ushort uc = nameprepped.at(i).unicode();
+        if (uc == 0x2e || uc == 0x3002 || uc == 0xff0e || uc == 0xff61) {
+            if (lastIdx)
+                result += '.';
+            toPunycodeHelper(nameprepped.constData() + lastIdx, i - lastIdx, &result);
+            lastIdx = i + 1;
+        }
+    }
+    if (lastIdx)
+        result += '.';
+    toPunycodeHelper(nameprepped.constData() + lastIdx, nameprepped.size() - lastIdx, &result);
+    
+    return result;
+}
+
+/*!
+    \since 4.2
+
+    Returns the current whitelist of top-level domains that are allowed
+    to have non-ASCII characters in their compositions.
+
+    See setIdnWhitelist() for the rationale of this list.
+*/
+QStringList QUrl::idnWhitelist()
+{
+    if (user_idn_whitelist)
+        return *user_idn_whitelist;
+    QStringList list;
+    unsigned int i = 0;
+    while (i < sizeof(idn_whitelist)/sizeof(const char *)) {
+        list << QLatin1String(idn_whitelist[i]);
+        ++i;
+    }
+    return list;
+}
+
+/*!
+    \since 4.2
+
+    Sets the whitelist of Top-Level Domains (TLDs) that are allowed to have
+    non-ASCII characters in domains to the value of \a list.
+
+    Qt has comes a default list that contains the Internet top-level domains
+    that have published support for Internationalized Domain Names (IDNs)
+    and rules to guarantee that no deception can happen between similarly-looking
+    characters (such as the Latin lowercase letter \c 'a' and the Cyrillic
+    equivalent, which in most fonts are visually identical).
+
+    This list is periodically maintained, as registrars publish new rules.
+
+    This function is provided for those who need to manipulate the list, in
+    order to add or remove a TLD. It is not recommended to change its value
+    for purposes other than testing, as it may expose users to security risks.
+*/
+void QUrl::setIdnWhitelist(const QStringList &list)
+{
+    if (!user_idn_whitelist)
+        user_idn_whitelist = new QStringList;
+    *user_idn_whitelist = list;
+}
+
+/*!
+    \internal
+
+    Returns true if this URL is "less than" the given \a url. This
+    provides a means of ordering URLs.
+*/
+bool QUrl::operator <(const QUrl &url) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    if (!QURL_HASFLAG(url.d->stateFlags, QUrlPrivate::Parsed)) url.d->parse();
+    return d->normalized() < url.d->normalized();
+}
+
+/*!
+    Returns true if this URL and the given \a url are equal;
+    otherwise returns false.
+*/
+bool QUrl::operator ==(const QUrl &url) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+    if (!QURL_HASFLAG(url.d->stateFlags, QUrlPrivate::Parsed)) url.d->parse();
+    return d->normalized() == url.d->normalized();
+}
+
+/*!
+    Returns true if this URL and the given \a url are not equal;
+    otherwise returns false.
+*/
+bool QUrl::operator !=(const QUrl &url) const
+{
+    return !(*this == url);
+}
+
+/*!
+    Assigns the specified \a url to this object.
+*/
+QUrl &QUrl::operator =(const QUrl &url)
+{
+    qAtomicAssign(d, url.d);
+    return *this;
+}
+
+/*!
+    Assigns the specified \a url to this object.
+*/
+QUrl &QUrl::operator =(const QString &url)
+{
+    QUrl tmp(url);
+    qAtomicAssign(d, tmp.d);
+    return *this;
+}
+
+/*! \internal
+
+    Forces a detach.
+*/
+void QUrl::detach()
+{ qAtomicDetach(d); }
+
+/*!
+    \internal
+*/
+bool QUrl::isDetached() const
+{
+    return d->ref == 1;
+}
+
+
+/*!
+    Returns a QUrl representation of \a localFile, interpreted as a
+    local file.
+
+    \sa toLocalFile()
+*/
+QUrl QUrl::fromLocalFile(const QString &localFile)
+{
+    QUrl url;
+    url.setScheme(QLatin1String("file"));
+    QString deslashified = localFile;
+    deslashified.replace(QLatin1Char('\\'), QLatin1Char('/'));
+
+
+
+    // magic for drives on windows
+    if (deslashified.length() > 1 && deslashified.at(1) == QLatin1Char(':') && deslashified.at(0) != QLatin1Char('/')) {
+        url.setPath(QLatin1String("/") + deslashified);
+    // magic for shared drive on windows
+    } else if (deslashified.startsWith(QLatin1String("//"))) {
+        int indexOfPath = deslashified.indexOf(QLatin1Char('/'), 2);
+        url.setHost(deslashified.mid(2, indexOfPath - 2));
+        if (indexOfPath > 2)
+            url.setPath(deslashified.right(deslashified.length() - indexOfPath));
+    } else {
+        url.setPath(deslashified);
+    }
+
+    return url;
+}
+
+/*!
+    Returns the path of this URL formatted as a local file path.
+
+    \sa fromLocalFile()
+*/
+QString QUrl::toLocalFile() const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    QString tmp;
+    QString ourPath = path();
+    if (d->scheme.isEmpty() || d->scheme.toLower() == QLatin1String("file")) {
+
+        // magic for shared drive on windows
+        if (!d->host.isEmpty()) {
+            tmp = QLatin1String("//") + d->host + (ourPath.length() > 0 && ourPath.at(0) != QLatin1Char('/')
+                                                  ? QLatin1String("/") + ourPath :  ourPath);
+        } else {
+            tmp = ourPath;
+            // magic for drives on windows
+            if (ourPath.length() > 2 && ourPath.at(0) == QLatin1Char('/') && ourPath.at(2) == QLatin1Char(':'))
+                tmp.remove(0, 1);
+        }
+    }
+
+    return tmp;
+}
+
+/*!
+    Returns true if this URL is a parent of \a childUrl. \a childUrl is a child
+    of this URL if the two URLs share the same scheme and authority,
+    and this URL's path is a parent of the path of \a childUrl.
+*/
+bool QUrl::isParentOf(const QUrl &childUrl) const
+{
+    if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
+
+    QString childPath = childUrl.path();
+    QString ourPath = path();
+
+    return ((childUrl.scheme().isEmpty() || d->scheme == childUrl.scheme())
+            && (childUrl.authority().isEmpty() || d->authority() == childUrl.authority())
+            &&  childPath.startsWith(ourPath)
+            && ((ourPath.endsWith(QLatin1Char('/')) && childPath.length() > ourPath.length())
+                || (!ourPath.endsWith(QLatin1Char('/'))
+                    && childPath.length() > ourPath.length() && childPath.at(ourPath.length()) == QLatin1Char('/'))));
+}
+
+/*!
+    \fn void QUrl::setProtocol(const QString &s)
+
+    Use setScheme() instead.
+*/
+
+/*!
+    \fn void QUrl::setUser(const QString &s)
+
+    Use setUserName() instead.
+*/
+
+/*!
+    \fn bool QUrl::hasUser() const
+
+    Use !userName().isEmpty() instead.
+*/
+
+/*!
+    \fn bool QUrl::hasPassword() const
+
+    Use !password().isEmpty() instead.
+*/
+
+/*!
+    \fn bool QUrl::hasHost() const
+
+    Use !host().isEmpty() instead.
+*/
+
+/*!
+    \fn bool QUrl::hasPort() const
+
+    Use port() != -1 instead.
+*/
+
+/*!
+    \fn bool QUrl::hasPath() const
+
+    Use !path().isEmpty() instead.
+*/
+
+/*!
+    \fn void QUrl::setQuery(const QString &txt)
+
+    Use setEncodedQuery() instead.
+*/
+
+/*!
+    \fn void QUrl::setRef(const QString &txt)
+
+    Use setFragment() instead.
+*/
+
+/*!
+    \fn bool QUrl::hasRef() const
+
+    Use !fragment().isEmpty() instead.
+*/
+
+/*!
+    \fn void QUrl::addPath(const QString &p)
+
+    Use setPath() instead.
+*/
+
+/*!
+    \fn void QUrl::setFileName(const QString &txt)
+
+    Use setPath() instead.
+*/
+
+/*!
+    \fn void QUrl::decode(QString &url)
+
+    Use fromPercentEncoding() instead.
+*/
+
+/*!
+    \fn void QUrl::encode(QString &url)
+
+    Use toPercentEncoding() instead.
+*/
+
+/*!
+    \fn bool QUrl::cdUp()
+
+    Use resolved("..") instead.
+
+    \oldcode
+        QUrl url("http://qtsoftware.com/Developer/");
+        url.cdUp();
+    \newcode
+        QUrl url("http://qtsoftware.com/Developer/");
+        url = url.resolved("..");
+    \endcode
+*/
+
+/*!
+    \fn bool QUrl::isRelativeUrl(const QString &url)
+
+    Use isRelative() instead.
+*/
+
+/*!
+    \fn void QUrl::reset()
+
+    Use clear() instead.
+*/
+
+/*!
+    \fn  QUrl::operator QString() const
+
+    Use toString() instead.
+*/
+
+/*!
+    \fn QString QUrl::protocol() const
+
+    Use scheme() instead.
+*/
+
+/*!
+    \fn QString QUrl::user() const
+
+    Use userName() instead.
+*/
+
+/*!
+    \fn QString QUrl::query() const
+
+    Use encodedQuery() instead.
+*/
+
+/*!
+    \fn QString QUrl::ref() const
+
+    Use fragment() instead.
+*/
+
+/*!
+    \fn QString QUrl::fileName() const
+
+    Use QFileInfo(path()).fileName() instead.
+*/
+
+/*!
+    \fn QString QUrl::dirPath() const
+
+    Use QFileInfo(path()).absolutePath() or QFileInfo(path()) instead.
+*/
+
+#ifdef QT3_SUPPORT
+void QUrl::setFileName(const QString &txt)
+{
+    QFileInfo fileInfo(path());
+    fileInfo.setFile(txt);
+    setPath(fileInfo.filePath());
+}
+
+QString QUrl::fileName() const
+{
+    QFileInfo fileInfo(path());
+    return fileInfo.fileName();
+}
+
+QString QUrl::dirPath() const
+{
+    QFileInfo fileInfo(path());
+    if (fileInfo.isAbsolute()) {
+        QString absPath = fileInfo.absolutePath();
+#ifdef Q_OS_WIN
+        if (absPath.size() > 1 && absPath.at(1) == QLatin1Char(':'))
+            absPath = absPath.mid(2);
+#endif
+        return absPath;
+    }
+    return fileInfo.path();
+}
+#endif
+
+
+#ifndef QT_NO_DATASTREAM
+/*! \relates QUrl
+
+    Writes url \a url to the stream \a out and returns a reference
+    to the stream.
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+QDataStream &operator<<(QDataStream &out, const QUrl &url)
+{
+    QByteArray u = url.toEncoded();
+    out << u;
+    return out;
+}
+
+/*! \relates QUrl
+
+    Reads a url into \a url from the stream \a in and returns a
+    reference to the stream.
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+QDataStream &operator>>(QDataStream &in, QUrl &url)
+{
+    QByteArray u;
+    in >> u;
+    url = QUrl::fromEncoded(u);
+    return in;
+}
+#endif // QT_NO_DATASTREAM
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug d, const QUrl &url)
+{
+    d.maybeSpace() << "QUrl(" << url.toString() << ")";
+    return d.space();
+}
+#endif
+
+/*!
+    \since 4.2
+
+    Returns a text string that explains why an URL is invalid in the case being;
+    otherwise returns an empty string.
+*/
+QString QUrl::errorString() const
+{
+    return d->createErrorString();
+}
+
+/*!
+    \typedef QUrl::DataPtr
+    \internal
+*/
+
+/*!
+    \fn DataPtr &QUrl::data_ptr()
+    \internal
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qurl.h b/src/corelib/io/qurl.h
new file mode 100644
index 0000000000..9242092a57
--- /dev/null
+++ b/src/corelib/io/qurl.h
@@ -0,0 +1,281 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QURL_H
+#define QURL_H
+
+#include <QtCore/qbytearray.h>
+#include <QtCore/qobjectdefs.h>
+#include <QtCore/qpair.h>
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QUrlPrivate;
+class QDataStream;
+
+class Q_CORE_EXPORT QUrl
+{
+public:
+    enum ParsingMode {
+        TolerantMode,
+        StrictMode
+    };
+
+    // encoding / toString values
+    enum FormattingOption {
+        None = 0x0,
+        RemoveScheme = 0x1,
+        RemovePassword = 0x2,
+        RemoveUserInfo = RemovePassword | 0x4,
+        RemovePort = 0x8,
+        RemoveAuthority = RemoveUserInfo | RemovePort | 0x10,
+        RemovePath = 0x20,
+        RemoveQuery = 0x40,
+        RemoveFragment = 0x80,
+
+        StripTrailingSlash = 0x10000
+    };
+    Q_DECLARE_FLAGS(FormattingOptions, FormattingOption)
+
+    QUrl();
+    QUrl(const QString &url);
+    QUrl(const QString &url, ParsingMode mode);
+    // ### Qt 5: merge the two constructors, with mode = TolerantMode
+    QUrl(const QUrl &copy);
+    QUrl &operator =(const QUrl &copy);
+    QUrl &operator =(const QString &url);
+    ~QUrl();
+
+    void setUrl(const QString &url);
+    void setUrl(const QString &url, ParsingMode mode);
+    // ### Qt 5: merge the two setUrl() functions, with mode = TolerantMode
+    void setEncodedUrl(const QByteArray &url);
+    void setEncodedUrl(const QByteArray &url, ParsingMode mode);
+    // ### Qt 5: merge the two setEncodedUrl() functions, with mode = TolerantMode
+
+    bool isValid() const;
+
+    bool isEmpty() const;
+
+    void clear();
+
+    void setScheme(const QString &scheme);
+    QString scheme() const;
+
+    void setAuthority(const QString &authority);
+    QString authority() const;
+
+    void setUserInfo(const QString &userInfo);
+    QString userInfo() const;
+
+    void setUserName(const QString &userName);
+    QString userName() const;
+    void setEncodedUserName(const QByteArray &userName);
+    QByteArray encodedUserName() const;
+
+    void setPassword(const QString &password);
+    QString password() const;
+    void setEncodedPassword(const QByteArray &password);
+    QByteArray encodedPassword() const;
+
+    void setHost(const QString &host);
+    QString host() const;
+    void setEncodedHost(const QByteArray &host);
+    QByteArray encodedHost() const;
+
+    void setPort(int port);
+    int port() const;
+    int port(int defaultPort) const;
+    // ### Qt 5: merge the two port() functions, with defaultPort = -1
+
+    void setPath(const QString &path);
+    QString path() const;
+    void setEncodedPath(const QByteArray &path);
+    QByteArray encodedPath() const;
+
+    bool hasQuery() const;
+
+    void setEncodedQuery(const QByteArray &query);
+    QByteArray encodedQuery() const;
+
+    void setQueryDelimiters(char valueDelimiter, char pairDelimiter);
+    char queryValueDelimiter() const;
+    char queryPairDelimiter() const;
+
+    void setQueryItems(const QList<QPair<QString, QString> > &query);
+    void addQueryItem(const QString &key, const QString &value);
+    QList<QPair<QString, QString> > queryItems() const;
+    bool hasQueryItem(const QString &key) const;
+    QString queryItemValue(const QString &key) const;
+    QStringList allQueryItemValues(const QString &key) const;
+    void removeQueryItem(const QString &key);
+    void removeAllQueryItems(const QString &key);
+
+    void setEncodedQueryItems(const QList<QPair<QByteArray, QByteArray> > &query);
+    void addEncodedQueryItem(const QByteArray &key, const QByteArray &value);
+    QList<QPair<QByteArray, QByteArray> > encodedQueryItems() const;
+    bool hasEncodedQueryItem(const QByteArray &key) const;
+    QByteArray encodedQueryItemValue(const QByteArray &key) const;
+    QList<QByteArray> allEncodedQueryItemValues(const QByteArray &key) const;
+    void removeEncodedQueryItem(const QByteArray &key);
+    void removeAllEncodedQueryItems(const QByteArray &key);
+
+    void setFragment(const QString &fragment);
+    QString fragment() const;
+    void setEncodedFragment(const QByteArray &fragment);
+    QByteArray encodedFragment() const;
+    bool hasFragment() const;
+
+    QUrl resolved(const QUrl &relative) const;
+
+    bool isRelative() const;
+    bool isParentOf(const QUrl &url) const;
+
+    static QUrl fromLocalFile(const QString &localfile);
+    QString toLocalFile() const;
+
+    QString toString(FormattingOptions options = None) const;
+
+    QByteArray toEncoded(FormattingOptions options = None) const;
+    static QUrl fromEncoded(const QByteArray &url);
+    static QUrl fromEncoded(const QByteArray &url, ParsingMode mode);
+    // ### Qt 5: merge the two fromEncoded() functions, with mode = TolerantMode
+
+    void detach();
+    bool isDetached() const;
+
+    bool operator <(const QUrl &url) const;
+    bool operator ==(const QUrl &url) const;
+    bool operator !=(const QUrl &url) const;
+
+    static QString fromPercentEncoding(const QByteArray &);
+    static QByteArray toPercentEncoding(const QString &,
+                                        const QByteArray &exclude = QByteArray(),
+                                        const QByteArray &include = QByteArray());
+    static QString fromPunycode(const QByteArray &);
+    static QByteArray toPunycode(const QString &);
+    static QString fromAce(const QByteArray &);
+    static QByteArray toAce(const QString &);
+    static QStringList idnWhitelist();
+    static void setIdnWhitelist(const QStringList &);
+
+#if defined QT3_SUPPORT
+    inline QT3_SUPPORT QString protocol() const { return scheme(); }
+    inline QT3_SUPPORT void setProtocol(const QString &s) { setScheme(s); }
+    inline QT3_SUPPORT void setUser(const QString &s) { setUserName(s); }
+    inline QT3_SUPPORT QString user() const { return userName(); }
+    inline QT3_SUPPORT bool hasUser() const { return !userName().isEmpty(); }
+    inline QT3_SUPPORT bool hasPassword() const { return !password().isEmpty(); }
+    inline QT3_SUPPORT bool hasHost() const { return !host().isEmpty(); }
+    inline QT3_SUPPORT bool hasPort() const { return port() != -1; }
+    inline QT3_SUPPORT bool hasPath() const { return !path().isEmpty(); }
+    inline QT3_SUPPORT void setQuery(const QString &txt)
+    {
+        setEncodedQuery(txt.toLatin1());
+    }
+    inline QT3_SUPPORT QString query() const
+    {
+        return QString::fromLatin1(encodedQuery().constData());
+    }
+    inline QT3_SUPPORT QString ref() const { return fragment(); }
+    inline QT3_SUPPORT void setRef(const QString &txt) { setFragment(txt); }
+    inline QT3_SUPPORT bool hasRef() const { return !fragment().isEmpty(); }
+    inline QT3_SUPPORT void addPath(const QString &p) { setPath(path() + QLatin1String("/") + p); }
+    QT3_SUPPORT void setFileName(const QString &txt);
+    QT3_SUPPORT QString fileName() const;
+    QT3_SUPPORT QString dirPath() const;
+    static inline QT3_SUPPORT void decode(QString &url)
+    {
+        url = QUrl::fromPercentEncoding(url.toLatin1());
+    }
+    static inline QT3_SUPPORT void encode(QString &url)
+    {
+        url = QString::fromLatin1(QUrl::toPercentEncoding(url).constData());
+    }
+    inline QT3_SUPPORT operator QString() const { return toString(); }
+    inline QT3_SUPPORT bool cdUp()
+    {
+        *this = resolved(QUrl(QLatin1String("..")));
+        return true;
+    }
+    static inline QT3_SUPPORT bool isRelativeUrl(const QString &url)
+    {
+        return QUrl(url).isRelative();
+    }
+#endif
+
+    QString errorString() const;
+
+protected:
+#if defined (QT3_SUPPORT)
+    inline QT3_SUPPORT void reset() { clear(); }
+#endif
+
+private:
+    QUrlPrivate *d;
+public:
+    typedef QUrlPrivate * DataPtr;
+    inline DataPtr &data_ptr() { return d; }
+};
+
+Q_DECLARE_TYPEINFO(QUrl, Q_MOVABLE_TYPE);
+Q_DECLARE_SHARED(QUrl)
+Q_DECLARE_OPERATORS_FOR_FLAGS(QUrl::FormattingOptions)
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QUrl &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QUrl &);
+#endif
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QUrl &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QURL_H
diff --git a/src/corelib/io/qwindowspipewriter.cpp b/src/corelib/io/qwindowspipewriter.cpp
new file mode 100644
index 0000000000..59719875f3
--- /dev/null
+++ b/src/corelib/io/qwindowspipewriter.cpp
@@ -0,0 +1,170 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwindowspipewriter_p.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_THREAD
+
+QWindowsPipeWriter::QWindowsPipeWriter(HANDLE pipe, QObject * parent)
+    : QThread(parent),
+      writePipe(INVALID_HANDLE_VALUE),
+      quitNow(false),
+      hasWritten(false)
+{
+#if !defined(Q_OS_WINCE) || (_WIN32_WCE >= 0x600)
+    DuplicateHandle(GetCurrentProcess(), pipe, GetCurrentProcess(),
+                         &writePipe, 0, FALSE, DUPLICATE_SAME_ACCESS);
+#else
+    Q_UNUSED(pipe);
+    writePipe = GetCurrentProcess();
+#endif
+}
+
+QWindowsPipeWriter::~QWindowsPipeWriter()
+{
+    lock.lock();
+    quitNow = true;
+    waitCondition.wakeOne();
+    lock.unlock();
+    if (!wait(100))
+        terminate();
+#if !defined(Q_OS_WINCE) || (_WIN32_WCE >= 0x600)
+    CloseHandle(writePipe);
+#endif
+}
+
+bool QWindowsPipeWriter::waitForWrite(int msecs)
+{
+    QMutexLocker locker(&lock);
+    bool hadWritten = hasWritten;
+    hasWritten = false;
+    if (hadWritten)
+        return true;
+    if (!waitCondition.wait(&lock, msecs))
+        return false;
+    hadWritten = hasWritten;
+    hasWritten = false;
+    return hadWritten;
+}
+
+qint64 QWindowsPipeWriter::write(const char *ptr, qint64 maxlen)
+{
+    if (!isRunning())
+        return -1;
+
+    QMutexLocker locker(&lock);
+    data.append(QByteArray(ptr, maxlen));
+    waitCondition.wakeOne();
+    return maxlen;
+}
+
+void QWindowsPipeWriter::run()
+{
+    OVERLAPPED overl = {0, 0, 0, 0, NULL};
+    overl.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+    forever {
+        lock.lock();
+        while(data.isEmpty() && (!quitNow)) {
+            waitCondition.wakeOne();
+            waitCondition.wait(&lock);
+        }
+
+        if (quitNow) {
+            lock.unlock();
+            quitNow = false;
+	    break;
+        }
+
+        QByteArray copy = data;
+
+        lock.unlock();
+
+        const char *ptrData = copy.data();
+        qint64 maxlen = copy.size();
+        qint64 totalWritten = 0;
+        overl.Offset = 0;
+        overl.OffsetHigh = 0;
+        while ((!quitNow) && totalWritten < maxlen) {
+            DWORD written = 0;
+            // Write 2k at a time to prevent flooding the pipe. If you
+            // write too much (4k-8k), the pipe can close
+            // unexpectedly.
+            if (!WriteFile(writePipe, ptrData + totalWritten,
+                    qMin<int>(2048, maxlen - totalWritten), &written, &overl)) {
+                if (GetLastError() == 0xE8/*NT_STATUS_INVALID_USER_BUFFER*/) {
+                    // give the os a rest
+                    msleep(100);
+                    continue;
+                }
+#ifndef Q_OS_WINCE
+                if (GetLastError() == ERROR_IO_PENDING) {
+                  if (!GetOverlappedResult(writePipe, &overl, &written, TRUE)) {
+                      CloseHandle(overl.hEvent);
+                      return;
+                  }
+                } else {
+                    CloseHandle(overl.hEvent);
+                    return;
+                }
+#else
+                return;
+#endif
+            }
+            totalWritten += written;
+#if defined QPIPEWRITER_DEBUG
+            qDebug("QWindowsPipeWriter::run() wrote %d %d/%d bytes",
+			    written, int(totalWritten), int(maxlen));
+#endif
+            lock.lock();
+            data.remove(0, written);
+            hasWritten = true;
+            lock.unlock();
+        }
+        emit canWrite();
+    }
+    CloseHandle(overl.hEvent);
+}
+
+#endif //QT_NO_THREAD
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qwindowspipewriter_p.h b/src/corelib/io/qwindowspipewriter_p.h
new file mode 100644
index 0000000000..ce0c7f97db
--- /dev/null
+++ b/src/corelib/io/qwindowspipewriter_p.h
@@ -0,0 +1,161 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINDOWSPIPEWRITER_P_H
+#define QWINDOWSPIPEWRITER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <qdatetime.h>
+#include <qthread.h>
+#include <qmutex.h>
+#include <qwaitcondition.h>
+#include <qt_windows.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_THREAD
+
+#define SLEEPMIN 10
+#define SLEEPMAX 500
+
+class QIncrementalSleepTimer
+{
+
+public:
+    QIncrementalSleepTimer(int msecs)
+        : totalTimeOut(msecs)
+        , nextSleep(qMin(SLEEPMIN, totalTimeOut))
+    {
+        if (totalTimeOut == -1)
+            nextSleep = SLEEPMIN;
+        timer.start();
+    }
+
+    int nextSleepTime()
+    {
+        int tmp = nextSleep;
+        nextSleep = qMin(nextSleep * 2, qMin(SLEEPMAX, timeLeft()));
+        return tmp;
+    }
+
+    int timeLeft() const
+    {
+        if (totalTimeOut == -1)
+            return SLEEPMAX;
+        return qMax(totalTimeOut - timer.elapsed(), 0);
+    }
+
+    bool hasTimedOut() const
+    {
+        if (totalTimeOut == -1)
+            return false;
+        return timer.elapsed() >= totalTimeOut;
+    }
+
+    void resetIncrements()
+    {
+        nextSleep = qMin(SLEEPMIN, timeLeft());
+    }
+
+private:
+    QTime timer;
+    int totalTimeOut;
+    int nextSleep;
+};
+
+class Q_CORE_EXPORT QWindowsPipeWriter : public QThread
+{
+    Q_OBJECT
+
+Q_SIGNALS:
+    void canWrite();
+
+public:
+    QWindowsPipeWriter(HANDLE writePipe, QObject * parent = 0);
+    ~QWindowsPipeWriter();
+
+    bool waitForWrite(int msecs);
+    qint64 write(const char *data, qint64 maxlen);
+
+    qint64 bytesToWrite() const
+    {
+        QMutexLocker locker(&lock);
+        return data.size();
+    }
+
+    bool hadWritten() const
+    {
+        return hasWritten;
+    }
+
+protected:
+   void run();
+
+private:
+    QByteArray data;
+    QWaitCondition waitCondition;
+    mutable QMutex lock;
+    HANDLE writePipe;
+    volatile bool quitNow;
+    bool hasWritten;
+};
+
+#endif //QT_NO_THREAD
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_PROCESS
diff --git a/src/corelib/kernel/kernel.pri b/src/corelib/kernel/kernel.pri
new file mode 100644
index 0000000000..d90ecae98d
--- /dev/null
+++ b/src/corelib/kernel/kernel.pri
@@ -0,0 +1,111 @@
+# Qt core object module
+
+HEADERS += \
+	kernel/qabstracteventdispatcher.h \
+        kernel/qabstractitemmodel.h \
+        kernel/qabstractitemmodel_p.h \
+	kernel/qbasictimer.h \
+	kernel/qeventloop.h\
+	kernel/qpointer.h \
+        kernel/qcorecmdlineargs_p.h \
+	kernel/qcoreapplication.h \
+	kernel/qcoreevent.h \
+	kernel/qmetaobject.h \
+	kernel/qmetatype.h \
+        kernel/qmimedata.h \
+	kernel/qobject.h \
+	kernel/qobjectdefs.h \
+	kernel/qsignalmapper.h \
+	kernel/qsocketnotifier.h \
+	kernel/qtimer.h \
+	kernel/qtranslator.h \
+        kernel/qtranslator_p.h \
+        kernel/qvariant.h \
+	kernel/qabstracteventdispatcher_p.h \
+	kernel/qcoreapplication_p.h \
+	kernel/qobjectcleanuphandler.h \
+        kernel/qvariant_p.h \
+        kernel/qmetaobject_p.h \
+        kernel/qobject_p.h \
+        kernel/qcoreglobaldata_p.h \
+        kernel/qsharedmemory.h \
+        kernel/qsharedmemory_p.h \
+        kernel/qsystemsemaphore.h \
+        kernel/qsystemsemaphore_p.h \
+        kernel/qfunctions_p.h
+
+SOURCES += \
+	kernel/qabstracteventdispatcher.cpp \
+        kernel/qabstractitemmodel.cpp \
+	kernel/qbasictimer.cpp \
+	kernel/qeventloop.cpp \
+	kernel/qcoreapplication.cpp \
+	kernel/qcoreevent.cpp \
+	kernel/qmetaobject.cpp \
+	kernel/qmetatype.cpp \
+        kernel/qmimedata.cpp \
+	kernel/qobject.cpp \
+	kernel/qobjectcleanuphandler.cpp \
+	kernel/qsignalmapper.cpp \
+	kernel/qsocketnotifier.cpp \
+	kernel/qtimer.cpp \
+	kernel/qtranslator.cpp \
+	kernel/qvariant.cpp \
+        kernel/qcoreglobaldata.cpp \
+        kernel/qsharedmemory.cpp \
+        kernel/qsystemsemaphore.cpp
+
+win32 {
+	SOURCES += \
+		kernel/qeventdispatcher_win.cpp \
+		kernel/qcoreapplication_win.cpp \
+		kernel/qwineventnotifier_p.cpp \
+                kernel/qsharedmemory_win.cpp \
+                kernel/qsystemsemaphore_win.cpp
+	HEADERS += \
+		kernel/qeventdispatcher_win_p.h \
+		kernel/qwineventnotifier_p.h
+}
+
+
+wince*: {
+	SOURCES += \
+		kernel/qfunctions_wince.cpp
+	HEADERS += \
+		kernel/qfunctions_wince.h
+}
+
+mac:!embedded {
+    SOURCES += \
+        kernel/qcoreapplication_mac.cpp
+}
+
+mac {
+       SOURCES += \
+		kernel/qcore_mac.cpp
+}
+
+unix {
+	SOURCES += \
+                kernel/qcrashhandler.cpp \
+                kernel/qsharedmemory_unix.cpp \
+                kernel/qsystemsemaphore_unix.cpp
+	HEADERS += \
+		kernel/qcrashhandler_p.h
+
+        contains(QT_CONFIG, glib) {
+            SOURCES += \
+                kernel/qeventdispatcher_glib.cpp
+            HEADERS += \
+                kernel/qeventdispatcher_glib_p.h
+            QMAKE_CXXFLAGS += $$QT_CFLAGS_GLIB
+            LIBS +=$$QT_LIBS_GLIB
+        }
+            SOURCES += \
+                kernel/qeventdispatcher_unix.cpp
+            HEADERS += \
+                kernel/qeventdispatcher_unix_p.h
+
+   contains(QT_CONFIG, clock-gettime):include($$QT_SOURCE_TREE/config.tests/unix/clock-gettime/clock-gettime.pri)
+}
+
diff --git a/src/corelib/kernel/qabstracteventdispatcher.cpp b/src/corelib/kernel/qabstracteventdispatcher.cpp
new file mode 100644
index 0000000000..51fde17179
--- /dev/null
+++ b/src/corelib/kernel/qabstracteventdispatcher.cpp
@@ -0,0 +1,461 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qabstracteventdispatcher.h"
+#include "qabstracteventdispatcher_p.h"
+
+#include "qthread.h"
+#include <private/qthread_p.h>
+#include <private/qcoreapplication_p.h>
+
+QT_BEGIN_NAMESPACE
+
+// we allow for 2^24 = 8^8 = 16777216 simultaneously running timers
+enum { NumberOfBuckets = 8, FirstBucketSize = 8 };
+
+static const int BucketSize[NumberOfBuckets] =
+    { 8, 64, 512, 4096, 32768, 262144, 2097152, 16777216 - 2396744 };
+static const int BucketOffset[NumberOfBuckets] =
+    { 0,  8,  72,  584,  4680,  37448,  299592,  2396744 };
+
+static int FirstBucket[FirstBucketSize] = { 1, 2, 3, 4, 5, 6, 7, 8 };
+static QBasicAtomicPointer<int> timerIds[NumberOfBuckets] =
+    { Q_BASIC_ATOMIC_INITIALIZER(FirstBucket),
+      Q_BASIC_ATOMIC_INITIALIZER(0),
+      Q_BASIC_ATOMIC_INITIALIZER(0),
+      Q_BASIC_ATOMIC_INITIALIZER(0),
+      Q_BASIC_ATOMIC_INITIALIZER(0),
+      Q_BASIC_ATOMIC_INITIALIZER(0),
+      Q_BASIC_ATOMIC_INITIALIZER(0),
+      Q_BASIC_ATOMIC_INITIALIZER(0) };
+
+static void timerIdsDestructorFunction()
+{
+    // start at one, the first bucket is pre-allocated
+    for (int i = 1; i < NumberOfBuckets; ++i)
+        delete [] static_cast<int *>(timerIds[i]);
+}
+Q_DESTRUCTOR_FUNCTION(timerIdsDestructorFunction)
+
+static QBasicAtomicInt nextFreeTimerId = Q_BASIC_ATOMIC_INITIALIZER(1);
+
+// avoid the ABA-problem by using 7 of the top 8 bits of the timerId as a serial number
+static inline int prepareNewValueWithSerialNumber(int oldId, int newId)
+{
+    return (newId & 0x00FFFFFF) | ((oldId + 0x01000000) & 0x7f000000);
+}
+
+static inline int bucketOffset(int timerId)
+{
+    for (int i = 0; i < NumberOfBuckets; ++i) {
+        if (timerId < BucketSize[i])
+            return i;
+        timerId -= BucketSize[i];
+    }
+    qFatal("QAbstractEventDispatcher: INTERNAL ERROR, timer ID %d is too large", timerId);
+    return -1;
+}
+
+static inline int bucketIndex(int bucket, int timerId)
+{
+    return timerId - BucketOffset[bucket];
+}
+
+static inline int *allocateBucket(int bucket)
+{
+    // allocate a new bucket
+    const int size = BucketSize[bucket];
+    const int offset = BucketOffset[bucket];
+    int *b = new int[size];
+    for (int i = 0; i != size; ++i)
+        b[i] = offset + i + 1;
+    return b;
+}
+
+void QAbstractEventDispatcherPrivate::init()
+{
+    Q_Q(QAbstractEventDispatcher);
+    if (threadData->eventDispatcher != 0) {
+        qWarning("QAbstractEventDispatcher: An event dispatcher has already been created for this thread");
+    } else {
+        threadData->eventDispatcher = q;
+    }
+}
+
+int QAbstractEventDispatcherPrivate::allocateTimerId()
+{
+    int timerId, newTimerId;
+    do {
+        timerId = nextFreeTimerId;
+
+        // which bucket are we looking in?
+        int which = timerId & 0x00ffffff;
+        int bucket = bucketOffset(which);
+        int at = bucketIndex(bucket, which);
+        int *b = timerIds[bucket];
+
+        if (!b) {
+            // allocate a new bucket
+            b = allocateBucket(bucket);
+            if (!timerIds[bucket].testAndSetRelease(0, b)) {
+                // another thread won the race to allocate the bucket
+                delete [] b;
+                b = timerIds[bucket];
+            }
+        }
+
+        newTimerId = b[at];
+    } while (!nextFreeTimerId.testAndSetRelaxed(timerId, newTimerId));
+
+    return timerId;
+}
+
+void QAbstractEventDispatcherPrivate::releaseTimerId(int timerId)
+{
+    int which = timerId & 0x00ffffff;
+    int bucket = bucketOffset(which);
+    int at = bucketIndex(bucket, which);
+    int *b = timerIds[bucket];
+
+    int freeId, newTimerId;
+    do {
+        freeId = nextFreeTimerId;
+        b[at] = freeId & 0x00ffffff;
+
+        newTimerId = prepareNewValueWithSerialNumber(freeId, timerId);
+    } while (!nextFreeTimerId.testAndSetRelease(freeId, newTimerId));
+}
+
+/*!
+    \class QAbstractEventDispatcher
+    \brief The QAbstractEventDispatcher class provides an interface to manage Qt's event queue.
+
+    \ingroup application
+    \ingroup events
+
+    An event dispatcher receives events from the window system and other
+    sources. It then sends them to the QCoreApplication or QApplication
+    instance for processing and delivery. QAbstractEventDispatcher provides
+    fine-grained control over event delivery.
+
+    For simple control of event processing use
+    QCoreApplication::processEvents().
+
+    For finer control of the application's event loop, call
+    instance() and call functions on the QAbstractEventDispatcher
+    object that is returned. If you want to use your own instance of
+    QAbstractEventDispatcher or of a QAbstractEventDispatcher
+    subclass, you must create your instance \e before you create the
+    QApplication object.
+
+    The main event loop is started by calling
+    QCoreApplication::exec(), and stopped by calling
+    QCoreApplication::exit(). Local event loops can be created using
+    QEventLoop.
+
+    Programs that perform long operations can call processEvents()
+    with a bitwise OR combination of various QEventLoop::ProcessEventsFlag
+    values to control which events should be delivered.
+
+    QAbstractEventDispatcher also allows the integration of an
+    external event loop with the Qt event loop. For example, the
+    \l{Qt Solutions}{Motif Extension Qt Solution} includes a
+    reimplementation of QAbstractEventDispatcher that merges Qt and
+    Motif events together.
+
+    \sa QEventLoop, QCoreApplication
+*/
+
+/*!
+    Constructs a new event dispatcher with the given \a parent.
+*/
+QAbstractEventDispatcher::QAbstractEventDispatcher(QObject *parent)
+    : QObject(*new QAbstractEventDispatcherPrivate, parent)
+{
+    Q_D(QAbstractEventDispatcher);
+    d->init();
+}
+
+/*!
+    \internal
+*/
+QAbstractEventDispatcher::QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &dd,
+                                                   QObject *parent)
+    : QObject(dd, parent)
+{
+    Q_D(QAbstractEventDispatcher);
+    d->init();
+}
+
+/*!
+    Destroys the event dispatcher.
+*/
+QAbstractEventDispatcher::~QAbstractEventDispatcher()
+{ }
+
+/*!
+    Returns a pointer to the event dispatcher object for the specified
+    \a thread. If \a thread is zero, the current thread is used. If no
+    event dispatcher exists for the specified thread, this function
+    returns 0.
+
+    \bold{Note:} If Qt is built without thread support, the \a thread
+    argument is ignored.
+ */
+QAbstractEventDispatcher *QAbstractEventDispatcher::instance(QThread *thread)
+{
+    QThreadData *data = thread ? QThreadData::get2(thread) : QThreadData::current();
+    return data->eventDispatcher;
+}
+
+/*!
+    \fn bool QAbstractEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags)
+
+    Processes pending events that match \a flags until there are no
+    more events to process. Returns true if an event was processed;
+    otherwise returns false.
+
+    This function is especially useful if you have a long running
+    operation and want to show its progress without allowing user
+    input; i.e. by using the QEventLoop::ExcludeUserInputEvents flag.
+
+    If the QEventLoop::WaitForMoreEvents flag is set in \a flags, the
+    behavior of this function is as follows:
+
+    \list
+
+    \i If events are available, this function returns after processing
+    them.
+
+    \i If no events are available, this function will wait until more
+    are available and return after processing newly available events.
+
+    \endlist
+
+    If the QEventLoop::WaitForMoreEvents flag is not set in \a flags,
+    and no events are available, this function will return
+    immediately.
+
+    \bold{Note:} This function does not process events continuously; it
+    returns after all available events are processed.
+
+    \sa hasPendingEvents()
+*/
+
+/*! \fn bool QAbstractEventDispatcher::hasPendingEvents()
+
+    Returns true if there is an event waiting; otherwise returns
+    false.
+*/
+
+/*!
+    \fn void QAbstractEventDispatcher::registerSocketNotifier(QSocketNotifier *notifier)
+
+    Registers \a notifier with the event loop. Subclasses must
+    implement this method to tie a socket notifier into another
+    event loop.
+*/
+
+/*! \fn void QAbstractEventDispatcher::unregisterSocketNotifier(QSocketNotifier *notifier)
+
+    Unregisters \a notifier from the event dispatcher. Subclasses must
+    reimplement this method to tie a socket notifier into another
+    event loop. Reimplementations must call the base
+    implementation.
+*/
+
+/*!
+    \fn int QAbstractEventDispatcher::registerTimer(int interval, QObject *object)
+
+    Registers a timer with the specified \a interval for the given \a object.
+*/
+int QAbstractEventDispatcher::registerTimer(int interval, QObject *object)
+{
+    int id = QAbstractEventDispatcherPrivate::allocateTimerId();
+    registerTimer(id, interval, object);
+    return id;
+}
+
+/*!
+    \fn void QAbstractEventDispatcher::registerTimer(int timerId, int interval, QObject *object)
+
+    Register a timer with the specified \a timerId and \a interval for
+    the given \a object.
+*/
+
+/*!
+    \fn bool QAbstractEventDispatcher::unregisterTimer(int timerId)
+
+    Unregisters the timer with the given \a timerId.
+    Returns true if successful; otherwise returns false.
+
+    \sa registerTimer(), unregisterTimers()
+*/
+
+/*!
+    \fn bool QAbstractEventDispatcher::unregisterTimers(QObject *object)
+
+    Unregisters all the timers associated with the given \a object.
+    Returns true if all timers were successful removed; otherwise returns false.
+
+    \sa unregisterTimer(), registeredTimers()
+*/
+
+/*!
+    \fn QList<TimerInfo> QAbstractEventDispatcher::registeredTimers(QObject *object) const
+
+    Returns a list of registered timers for \a object. The timer ID
+    is the first member in each pair; the interval is the second.
+*/
+
+/*! \fn void QAbstractEventDispatcher::wakeUp()
+    \threadsafe
+
+    Wakes up the event loop.
+
+    \sa awake()
+*/
+
+/*!
+    \fn void QAbstractEventDispatcher::interrupt()
+
+    Interrupts event dispatching; i.e. the event dispatcher will
+    return from processEvents() as soon as possible.
+*/
+
+/*! \fn void QAbstractEventDispatcher::flush()
+
+    Flushes the event queue. This normally returns almost
+    immediately. Does nothing on platforms other than X11.
+*/
+
+// ### DOC: Are these called when the _application_ starts/stops or just
+// when the current _event loop_ starts/stops?
+/*! \internal */
+void QAbstractEventDispatcher::startingUp()
+{ }
+
+/*! \internal */
+void QAbstractEventDispatcher::closingDown()
+{ }
+
+/*!
+    \typedef QAbstractEventDispatcher::TimerInfo
+
+    Typedef for QPair<int, int>. The first component of
+    the pair is the timer ID; the second component is
+    the interval.
+
+    \sa registeredTimers()
+*/
+
+/*!
+    \typedef QAbstractEventDispatcher::EventFilter
+
+    Typedef for a function with the signature
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qabstracteventdispatcher.cpp 0
+
+    \sa setEventFilter(), filterEvent()
+*/
+
+/*!
+    Sets the event filter \a filter. Returns a pointer to the filter
+    function previously defined.
+
+    The event filter is a function that receives all messages taken
+    from the system event loop before the event is dispatched to the
+    respective target. This includes messages that are not sent to Qt
+    objects.
+
+    The function can return true to stop the event to be processed by
+    Qt, or false to continue with the standard event processing.
+
+    Only one filter can be defined, but the filter can use the return
+    value to call the previously set event filter. By default, no
+    filter is set (i.e. the function returns 0).
+*/
+QAbstractEventDispatcher::EventFilter QAbstractEventDispatcher::setEventFilter(EventFilter filter)
+{
+    Q_D(QAbstractEventDispatcher);
+    EventFilter oldFilter = d->event_filter;
+    d->event_filter = filter;
+    return oldFilter;
+}
+
+/*!
+    Sends \a message through the event filter that was set by
+    setEventFilter().  If no event filter has been set, this function
+    returns false; otherwise, this function returns the result of the
+    event filter function.
+
+    Subclasses of QAbstractEventDispatcher \e must call this function
+    for \e all messages received from the system to ensure
+    compatibility with any extensions that may be used in the
+    application.
+
+    \sa setEventFilter()
+*/
+bool QAbstractEventDispatcher::filterEvent(void *message)
+{
+    Q_D(QAbstractEventDispatcher);
+    if (d->event_filter)
+        return d->event_filter(message);
+    return false;
+}
+
+/*! \fn void QAbstractEventDispatcher::awake()
+
+    This signal is emitted after the event loop returns from a
+    function that could block.
+
+    \sa wakeUp() aboutToBlock()
+*/
+
+/*! \fn void QAbstractEventDispatcher::aboutToBlock()
+
+    This signal is emitted before the event loop calls a function that
+    could block.
+
+    \sa awake()
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qabstracteventdispatcher.h b/src/corelib/kernel/qabstracteventdispatcher.h
new file mode 100644
index 0000000000..7daeaad657
--- /dev/null
+++ b/src/corelib/kernel/qabstracteventdispatcher.h
@@ -0,0 +1,107 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTEVENTDISPATCHER_H
+#define QABSTRACTEVENTDISPATCHER_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qeventloop.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QAbstractEventDispatcherPrivate;
+class QSocketNotifier;
+template <typename T1, typename T2> struct QPair;
+
+class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QAbstractEventDispatcher)
+
+public:
+    typedef QPair<int, int> TimerInfo;
+
+    explicit QAbstractEventDispatcher(QObject *parent = 0);
+    ~QAbstractEventDispatcher();
+
+    static QAbstractEventDispatcher *instance(QThread *thread = 0);
+
+    virtual bool processEvents(QEventLoop::ProcessEventsFlags flags) = 0;
+    virtual bool hasPendingEvents() = 0;
+
+    virtual void registerSocketNotifier(QSocketNotifier *notifier) = 0;
+    virtual void unregisterSocketNotifier(QSocketNotifier *notifier) = 0;
+
+    int registerTimer(int interval, QObject *object);
+    virtual void registerTimer(int timerId, int interval, QObject *object) = 0;
+    virtual bool unregisterTimer(int timerId) = 0;
+    virtual bool unregisterTimers(QObject *object) = 0;
+    virtual QList<TimerInfo> registeredTimers(QObject *object) const = 0;
+
+    virtual void wakeUp() = 0;
+    virtual void interrupt() = 0;
+    virtual void flush() = 0;
+
+    virtual void startingUp();
+    virtual void closingDown();
+
+    typedef bool(*EventFilter)(void *message);
+    EventFilter setEventFilter(EventFilter filter);
+    bool filterEvent(void *message);
+
+Q_SIGNALS:
+    void aboutToBlock();
+    void awake();
+
+protected:
+    QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &,
+                             QObject *parent);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QABSTRACTEVENTDISPATCHER_H
diff --git a/src/corelib/kernel/qabstracteventdispatcher_p.h b/src/corelib/kernel/qabstracteventdispatcher_p.h
new file mode 100644
index 0000000000..7909ab48f1
--- /dev/null
+++ b/src/corelib/kernel/qabstracteventdispatcher_p.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTEVENTDISPATCHER_P_H
+#define QABSTRACTEVENTDISPATCHER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qabstracteventdispatcher.h"
+#include "private/qobject_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QAbstractEventDispatcherPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QAbstractEventDispatcher)
+public:
+    inline QAbstractEventDispatcherPrivate()
+        : event_filter(0)
+    { }
+    void init();
+    QAbstractEventDispatcher::EventFilter event_filter;
+
+    static int allocateTimerId();
+    static void releaseTimerId(int id);
+};
+
+QT_END_NAMESPACE
+
+#endif // QABSTRACTEVENTDISPATCHER_P_H
diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
new file mode 100644
index 0000000000..fd0e105aba
--- /dev/null
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -0,0 +1,2783 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qabstractitemmodel.h"
+#include <private/qabstractitemmodel_p.h>
+#include <qdatastream.h>
+#include <qstringlist.h>
+#include <qsize.h>
+#include <qmimedata.h>
+#include <qdebug.h>
+#include <qvector.h>
+#include <qstack.h>
+#include <qbitarray.h>
+
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+QPersistentModelIndexData *QPersistentModelIndexData::create(const QModelIndex &index)
+{
+    Q_ASSERT(index.isValid()); // we will _never_ insert an invalid index in the list
+    QPersistentModelIndexData *d = 0;
+    QAbstractItemModel *model = const_cast<QAbstractItemModel *>(index.model());
+    QHash<QModelIndex, QPersistentModelIndexData *> &indexes = model->d_func()->persistent.indexes;
+    const QHash<QModelIndex, QPersistentModelIndexData *>::iterator it = indexes.find(index);
+    if (it != indexes.end()) {
+        d = (*it);
+    } else {
+        d = new QPersistentModelIndexData(index);
+        indexes.insert(index, d);
+    }
+    Q_ASSERT(d);
+    return d;
+}
+
+void QPersistentModelIndexData::destroy(QPersistentModelIndexData *data)
+{
+    Q_ASSERT(data);
+    Q_ASSERT(data->ref == 0);
+    QAbstractItemModel *model = const_cast<QAbstractItemModel *>(data->model);
+    // a valid persistent model index with a null model pointer can only happen if the model was destroyed
+    if (model) {
+        QAbstractItemModelPrivate *p = model->d_func();
+        Q_ASSERT(p);
+        p->removePersistentIndexData(data);
+    }
+    delete data;
+}
+
+/*!
+  \class QPersistentModelIndex
+
+  \brief The QPersistentModelIndex class is used to locate data in a data model.
+
+  \ingroup model-view
+
+  A QPersistentModelIndex is a model index that can be stored by an
+  application, and later used to access information in a model.
+  Unlike the QModelIndex class, it is safe to store a
+  QPersistentModelIndex since the model will ensure that references
+  to items will continue to be valid as long as they can be accessed
+  by the model.
+
+  It is good practice to check that persistent model indexes are valid
+  before using them.
+
+  \sa {Model/View Programming}, QModelIndex, QAbstractItemModel
+*/
+
+
+/*!
+  \fn QPersistentModelIndex::QPersistentModelIndex()
+
+  \internal
+*/
+
+QPersistentModelIndex::QPersistentModelIndex()
+    : d(0)
+{
+}
+
+/*!
+  \fn QPersistentModelIndex::QPersistentModelIndex(const QPersistentModelIndex &other)
+
+  Creates a new QPersistentModelIndex that is a copy of the \a other persistent
+  model index.
+*/
+
+QPersistentModelIndex::QPersistentModelIndex(const QPersistentModelIndex &other)
+    : d(other.d)
+{
+    if (d) d->ref.ref();
+}
+
+/*!
+    Creates a new QPersistentModelIndex that is a copy of the model \a index.
+*/
+
+QPersistentModelIndex::QPersistentModelIndex(const QModelIndex &index)
+    : d(0)
+{
+    if (index.isValid()) {
+        d = QPersistentModelIndexData::create(index);
+        d->ref.ref();
+    }
+}
+
+/*!
+    \fn QPersistentModelIndex::~QPersistentModelIndex()
+
+    \internal
+*/
+
+QPersistentModelIndex::~QPersistentModelIndex()
+{
+    if (d && !d->ref.deref()) {
+        QPersistentModelIndexData::destroy(d);
+        d = 0;
+    }
+}
+
+/*!
+  Returns true if this persistent model index is equal to the \a other
+  persistent model index; otherwise returns false.
+
+  All values in the persistent model index are used when comparing
+  with another persistent model index.
+*/
+
+bool QPersistentModelIndex::operator==(const QPersistentModelIndex &other) const
+{
+    if (d && other.d)
+        return d->index == other.d->index;
+    return d == other.d;
+}
+
+/*!
+    \since 4.1
+
+    Returns true if this persistent model index is smaller than the \a other
+    persistent model index; otherwise returns false.
+
+    All values in the persistent model index are used when comparing
+    with another persistent model index.
+*/
+
+bool QPersistentModelIndex::operator<(const QPersistentModelIndex &other) const
+{
+    if (d && other.d)
+        return d->index < other.d->index;
+
+    return d < other.d;
+}
+
+/*!
+    \fn bool QPersistentModelIndex::operator!=(const QPersistentModelIndex &other) const
+    \since 4.2
+
+    Returns true if this persistent model index is not equal to the \a
+    other persistent model index; otherwise returns false.
+*/
+
+/*!
+    Sets the persistent model index to refer to the same item in a model
+    as the \a other persistent model index.
+*/
+
+QPersistentModelIndex &QPersistentModelIndex::operator=(const QPersistentModelIndex &other)
+{
+    if (d == other.d)
+        return *this;
+    if (d && !d->ref.deref())
+        QPersistentModelIndexData::destroy(d);
+    d = other.d;
+    if (d) d->ref.ref();
+    return *this;
+}
+
+/*!
+    Sets the persistent model index to refer to the same item in a model
+    as the \a other model index.
+*/
+
+QPersistentModelIndex &QPersistentModelIndex::operator=(const QModelIndex &other)
+{
+    if (d && !d->ref.deref())
+        QPersistentModelIndexData::destroy(d);
+    if (other.isValid()) {
+        d = QPersistentModelIndexData::create(other);
+        if (d) d->ref.ref();
+    } else {
+        d = 0;
+    }
+    return *this;
+}
+
+/*!
+  \fn QPersistentModelIndex::operator const QModelIndex&() const
+
+  Cast operator that returns a const QModelIndex&.
+*/
+
+QPersistentModelIndex::operator const QModelIndex&() const
+{
+    static const QModelIndex invalid;
+    if (d)
+        return d->index;
+    return invalid;
+}
+
+/*!
+    \fn bool QPersistentModelIndex::operator==(const QModelIndex &other) const
+
+    Returns true if this persistent model index refers to the same location as
+    the \a other model index; otherwise returns false.
+    Note that all values in the persistent model index are used when comparing
+    with another model index.
+*/
+
+bool QPersistentModelIndex::operator==(const QModelIndex &other) const
+{
+    if (d)
+        return d->index == other;
+    return !other.isValid();
+}
+
+/*!
+    \fn bool QPersistentModelIndex::operator!=(const QModelIndex &other) const
+
+    Returns true if this persistent model index does not refer to the same
+    location as the \a other model index; otherwise returns false.
+*/
+
+bool QPersistentModelIndex::operator!=(const QModelIndex &other) const
+{
+    if (d)
+        return d->index != other;
+    return other.isValid();
+}
+
+/*!
+    \fn int QPersistentModelIndex::row() const
+
+    Returns the row this persistent model index refers to.
+*/
+
+int QPersistentModelIndex::row() const
+{
+    if (d)
+        return d->index.row();
+    return -1;
+}
+
+/*!
+    \fn int QPersistentModelIndex::column() const
+
+    Returns the column this persistent model index refers to.
+*/
+
+int QPersistentModelIndex::column() const
+{
+    if (d)
+        return d->index.column();
+    return -1;
+}
+
+/*!
+    \fn void *QPersistentModelIndex::internalPointer() const
+
+    \internal
+
+    Returns a \c{void} \c{*} pointer used by the model to associate the index with
+    the internal data structure.
+*/
+
+void *QPersistentModelIndex::internalPointer() const
+{
+    if (d)
+        return d->index.internalPointer();
+    return 0;
+}
+
+/*!
+    \fn void *QPersistentModelIndex::internalId() const
+
+    \internal
+
+    Returns a \c{qint64} used by the model to associate the index with
+    the internal data structure.
+*/
+
+qint64 QPersistentModelIndex::internalId() const
+{
+    if (d)
+        return d->index.internalId();
+    return 0;
+}
+
+/*!
+  Returns the parent QModelIndex for this persistent index, or
+  QModelIndex() if it has no parent.
+
+  \sa child() sibling() model()
+*/
+QModelIndex QPersistentModelIndex::parent() const
+{
+    if (d)
+        return d->index.parent();
+    return QModelIndex();
+}
+
+/*!
+  Returns the sibling at \a row and \a column or an invalid
+  QModelIndex if there is no sibling at this position.
+
+  \sa parent() child()
+*/
+
+QModelIndex QPersistentModelIndex::sibling(int row, int column) const
+{
+    if (d)
+        return d->index.sibling(row, column);
+    return QModelIndex();
+}
+
+/*!
+  Returns the child of the model index that is stored in the given
+  \a row and \a column.
+
+  \sa parent() sibling()
+*/
+
+QModelIndex QPersistentModelIndex::child(int row, int column) const
+{
+    if (d)
+        return d->index.child(row, column);
+    return QModelIndex();
+}
+
+/*!
+  Returns the data for the given \a role for the item referred to by the index.
+
+  \sa Qt::ItemDataRole, QAbstractItemModel::setData()
+*/
+QVariant QPersistentModelIndex::data(int role) const
+{
+    if (d)
+        return d->index.data(role);
+    return QVariant();
+}
+
+/*!
+  \since 4.2
+
+  Returns the flags for the item referred to by the index.
+*/
+Qt::ItemFlags QPersistentModelIndex::flags() const
+{
+    if (d)
+        return d->index.flags();
+    return 0;
+}
+
+/*!
+  Returns the model that the index belongs to.
+*/
+const QAbstractItemModel *QPersistentModelIndex::model() const
+{
+    if (d)
+        return d->index.model();
+    return 0;
+}
+
+/*!
+    \fn bool QPersistentModelIndex::isValid() const
+
+    Returns true if this persistent model index is valid; otherwise returns
+    false.
+    A valid index belongs to a model, and has non-negative row and column numbers.
+
+    \sa model(), row(), column()
+*/
+
+bool QPersistentModelIndex::isValid() const
+{
+    return d && d->index.isValid();
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QModelIndex &idx)
+{
+#ifndef Q_BROKEN_DEBUG_STREAM
+    dbg.nospace() << "QModelIndex(" << idx.row() << "," << idx.column()
+                  << "," << idx.internalPointer() << "," << idx.model() << ")";
+    return dbg.space();
+#else
+    qWarning("This compiler doesn't support streaming QModelIndex to QDebug");
+    return dbg;
+    Q_UNUSED(idx);
+#endif
+}
+
+QDebug operator<<(QDebug dbg, const QPersistentModelIndex &idx)
+{
+    if (idx.d)
+        dbg << idx.d->index;
+    else
+        dbg << QModelIndex();
+    return dbg;
+}
+#endif
+
+class QEmptyItemModel : public QAbstractItemModel
+{
+public:
+    explicit QEmptyItemModel(QObject *parent = 0) : QAbstractItemModel(parent) {}
+    QModelIndex index(int, int, const QModelIndex &) const { return QModelIndex(); }
+    QModelIndex parent(const QModelIndex &) const { return QModelIndex(); }
+    int rowCount(const QModelIndex &) const { return 0; }
+    int columnCount(const QModelIndex &) const { return 0; }
+    bool hasChildren(const QModelIndex &) const { return false; }
+    QVariant data(const QModelIndex &, int) const { return QVariant(); }
+};
+
+Q_GLOBAL_STATIC(QEmptyItemModel, qEmptyModel)
+
+QAbstractItemModel *QAbstractItemModelPrivate::staticEmptyModel()
+{
+    return qEmptyModel();
+}
+
+void QAbstractItemModelPrivate::removePersistentIndexData(QPersistentModelIndexData *data)
+{
+    if (data->index.isValid()) {
+        int removed = persistent.indexes.remove(data->index);
+        Q_ASSERT_X(removed == 1, "QPersistentModelIndex::~QPersistentModelIndex",
+                   "persistent model indexes corrupted"); //maybe the index was somewhat invalid?
+        // This assert may happen if the model use changePersistentIndex in a way that could result on two
+        // QPersistentModelIndex pointing to the same index.
+        Q_UNUSED(removed);
+    }
+    // make sure our optimization still works
+    for (int i = persistent.moved.count() - 1; i >= 0; --i) {
+        int idx = persistent.moved[i].indexOf(data);
+        if (idx >= 0)
+            persistent.moved[i].remove(idx);
+    }
+    // update the references to invalidated persistent indexes
+    for (int i = persistent.invalidated.count() - 1; i >= 0; --i) {
+        int idx = persistent.invalidated[i].indexOf(data);
+        if (idx >= 0)
+            persistent.invalidated[i].remove(idx);
+    }
+
+}
+
+void QAbstractItemModelPrivate::rowsAboutToBeInserted(const QModelIndex &parent,
+                                                      int first, int last)
+{
+    Q_Q(QAbstractItemModel);
+    Q_UNUSED(last);
+    QVector<QPersistentModelIndexData *> persistent_moved;
+    if (first < q->rowCount(parent)) {
+        for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = persistent.indexes.constBegin();
+             it != persistent.indexes.constEnd(); ++it) {
+            QPersistentModelIndexData *data = *it;
+            const QModelIndex &index = data->index;
+            if (index.row() >= first && index.isValid() && index.parent() == parent) {
+                persistent_moved.append(data);
+            }
+        }
+    }
+    persistent.moved.push(persistent_moved);
+}
+
+void QAbstractItemModelPrivate::rowsInserted(const QModelIndex &parent,
+                                             int first, int last)
+{
+    QVector<QPersistentModelIndexData *> persistent_moved = persistent.moved.pop();
+    int count = (last - first) + 1; // it is important to only use the delta, because the change could be nested
+    for (QVector<QPersistentModelIndexData *>::const_iterator it = persistent_moved.constBegin();
+         it != persistent_moved.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        QModelIndex old = data->index;
+        persistent.indexes.erase(persistent.indexes.find(old));
+        data->index = q_func()->index(old.row() + count, old.column(), parent);
+        if (data->index.isValid()) {
+            persistent.insertMultiAtEnd(data->index, data);
+        } else {
+            qWarning() << "QAbstractItemModel::endInsertRows:  Invalid index (" << old.row() + count << "," << old.column() << ") in model" << q_func();
+        }
+    }
+}
+
+void QAbstractItemModelPrivate::rowsAboutToBeRemoved(const QModelIndex &parent,
+                                                     int first, int last)
+{
+    QVector<QPersistentModelIndexData *>  persistent_moved;
+    QVector<QPersistentModelIndexData *>  persistent_invalidated;
+    // find the persistent indexes that are affected by the change, either by being in the removed subtree
+    // or by being on the same level and below the removed rows
+    for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = persistent.indexes.constBegin();
+         it != persistent.indexes.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        bool level_changed = false;
+        QModelIndex current = data->index;
+        while (current.isValid()) {
+            QModelIndex current_parent = current.parent();
+            if (current_parent == parent) { // on the same level as the change
+                if (!level_changed && current.row() > last) // below the removed rows
+                    persistent_moved.append(data);
+                else if (current.row() <= last && current.row() >= first) // in the removed subtree
+                    persistent_invalidated.append(data);
+                break;
+            }
+            current = current_parent;
+            level_changed = true;
+        }
+    }
+
+    persistent.moved.push(persistent_moved);
+    persistent.invalidated.push(persistent_invalidated);
+}
+
+void QAbstractItemModelPrivate::rowsRemoved(const QModelIndex &parent,
+                                            int first, int last)
+{
+    QVector<QPersistentModelIndexData *> persistent_moved = persistent.moved.pop();
+    int count = (last - first) + 1; // it is important to only use the delta, because the change could be nested
+    for (QVector<QPersistentModelIndexData *>::const_iterator it = persistent_moved.constBegin();
+         it != persistent_moved.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        QModelIndex old = data->index;
+        persistent.indexes.erase(persistent.indexes.find(old));
+        data->index = q_func()->index(old.row() - count, old.column(), parent);
+        if (data->index.isValid()) {
+            persistent.insertMultiAtEnd(data->index, data);
+        } else {
+            qWarning() << "QAbstractItemModel::endRemoveRows:  Invalid index (" << old.row() - count << "," << old.column() << ") in model" << q_func();
+        }
+    }
+    QVector<QPersistentModelIndexData *> persistent_invalidated = persistent.invalidated.pop();
+    for (QVector<QPersistentModelIndexData *>::const_iterator it = persistent_invalidated.constBegin();
+         it != persistent_invalidated.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        persistent.indexes.erase(persistent.indexes.find(data->index));
+        data->index = QModelIndex();
+        data->model = 0;
+    }
+}
+
+void QAbstractItemModelPrivate::columnsAboutToBeInserted(const QModelIndex &parent,
+                                                         int first, int last)
+{
+    Q_Q(QAbstractItemModel);
+    Q_UNUSED(last);
+    QVector<QPersistentModelIndexData *> persistent_moved;
+    if (first < q->columnCount(parent)) {
+        for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = persistent.indexes.constBegin();
+             it != persistent.indexes.constEnd(); ++it) {
+            QPersistentModelIndexData *data = *it;
+            const QModelIndex &index = data->index;
+            if (index.column() >= first && index.isValid() && index.parent() == parent)
+                persistent_moved.append(data);
+        }
+    }
+    persistent.moved.push(persistent_moved);
+}
+
+void QAbstractItemModelPrivate::columnsInserted(const QModelIndex &parent,
+                                                int first, int last)
+{
+    QVector<QPersistentModelIndexData *> persistent_moved = persistent.moved.pop();
+    int count = (last - first) + 1; // it is important to only use the delta, because the change could be nested
+    for (QVector<QPersistentModelIndexData *>::const_iterator it = persistent_moved.constBegin();
+         it != persistent_moved.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        QModelIndex old = data->index;
+        persistent.indexes.erase(persistent.indexes.find(old));
+        data->index = q_func()->index(old.row(), old.column() + count, parent);
+        if (data->index.isValid()) {
+            persistent.insertMultiAtEnd(data->index, data);
+        } else {
+            qWarning() << "QAbstractItemModel::endInsertColumns:  Invalid index (" << old.row() << "," << old.column() + count << ") in model" << q_func();
+        }
+     }
+}
+
+void QAbstractItemModelPrivate::columnsAboutToBeRemoved(const QModelIndex &parent,
+                                                        int first, int last)
+{
+    QVector<QPersistentModelIndexData *> persistent_moved;
+    QVector<QPersistentModelIndexData *> persistent_invalidated;
+    // find the persistent indexes that are affected by the change, either by being in the removed subtree
+    // or by being on the same level and to the right of the removed columns
+    for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = persistent.indexes.constBegin();
+         it != persistent.indexes.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        bool level_changed = false;
+        QModelIndex current = data->index;
+        while (current.isValid()) {
+            QModelIndex current_parent = current.parent();
+            if (current_parent == parent) { // on the same level as the change
+                if (!level_changed && current.column() > last) // right of the removed columns
+                    persistent_moved.append(data);
+                else if (current.column() <= last && current.column() >= first) // in the removed subtree
+                    persistent_invalidated.append(data);
+                break;
+            }
+            current = current_parent;
+            level_changed = true;
+        }
+    }
+
+    persistent.moved.push(persistent_moved);
+    persistent.invalidated.push(persistent_invalidated);
+
+}
+
+void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent,
+                                               int first, int last)
+{
+    QVector<QPersistentModelIndexData *> persistent_moved = persistent.moved.pop();
+    int count = (last - first) + 1; // it is important to only use the delta, because the change could be nested
+    for (QVector<QPersistentModelIndexData *>::const_iterator it = persistent_moved.constBegin();
+         it != persistent_moved.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        QModelIndex old = data->index;
+        persistent.indexes.erase(persistent.indexes.find(old));
+        data->index = q_func()->index(old.row(), old.column() - count, parent);
+        if (data->index.isValid()) {
+            persistent.insertMultiAtEnd(data->index, data);
+        } else {
+            qWarning() << "QAbstractItemModel::endRemoveColumns:  Invalid index (" << old.row() << "," << old.column() - count << ") in model" << q_func();
+        }
+    }
+    QVector<QPersistentModelIndexData *> persistent_invalidated = persistent.invalidated.pop();
+    for (QVector<QPersistentModelIndexData *>::const_iterator it = persistent_invalidated.constBegin();
+         it != persistent_invalidated.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        persistent.indexes.erase(persistent.indexes.find(data->index));
+        data->index = QModelIndex();
+        data->model = 0;
+    }
+}
+
+/*!
+    \class QModelIndex
+
+    \brief The QModelIndex class is used to locate data in a data model.
+
+    \ingroup model-view
+    \mainclass
+
+    This class is used as an index into item models derived from
+    QAbstractItemModel. The index is used by item views, delegates, and
+    selection models to locate an item in the model.
+
+    New QModelIndex objects are created by the model using the
+    QAbstractItemModel::createIndex() function. An \e invalid model index
+    can be constructed with the QModelIndex constructor. Invalid indexes are
+    often used as parent indexes when referring to top-level items in a model.
+
+    Model indexes refer to items in models, and contain all the information
+    required to specify their locations in those models. Each index is located
+    in a given row and column, and may have a parent index; use row(), column(),
+    and parent() to obtain this information. Each top-level item in a model is
+    represented by a model index that does not have a parent index - in this
+    case, parent() will return an invalid model index, equivalent to an index
+    constructed with the zero argument form of the QModelIndex() constructor.
+
+    To obtain a model index that refers to an existing item in a model, call
+    QAbstractItemModel::index() with the required row and column
+    values, and the model index of the parent. When referring to
+    top-level items in a model, supply QModelIndex() as the parent index.
+
+    The model() function returns the model that the index references as a
+    QAbstractItemModel.
+    The child() function is used to examine the items held beneath the index
+    in the model.
+    The sibling() function allows you to traverse items in the model on the
+    same level as the index.
+
+    \note Model indexes should be used immediately and then discarded. You
+    should not rely on indexes to remain valid after calling model functions
+    that change the structure of the model or delete items. If you need to
+    keep a model index over time use a QPersistentModelIndex.
+
+    \sa \link model-view-programming.html Model/View Programming\endlink QPersistentModelIndex QAbstractItemModel
+*/
+
+/*!
+    \fn QModelIndex::QModelIndex()
+
+    Creates a new empty model index.
+    This type of model index is used to indicate
+    that the position in the model is invalid.
+
+    \sa isValid() QAbstractItemModel
+*/
+
+/*!
+    \fn QModelIndex::QModelIndex(int row, int column, void *data, const QAbstractItemModel *model)
+
+    \internal
+
+    Creates a new model index at the given \a row and \a column,
+    pointing to some \a data.
+*/
+
+/*!
+    \fn QModelIndex::QModelIndex(const QModelIndex &other)
+
+    Creates a new model index that is a copy of the \a other model
+    index.
+*/
+
+/*!
+    \fn QModelIndex::~QModelIndex()
+
+    Destroys the model index.
+*/
+
+/*!
+    \fn int QModelIndex::row() const
+
+    Returns the row this model index refers to.
+*/
+
+
+/*!
+    \fn int QModelIndex::column() const
+
+    Returns the column this model index refers to.
+*/
+
+
+/*!
+    \fn void *QModelIndex::internalPointer() const
+
+    Returns a \c{void} \c{*} pointer used by the model to associate
+    the index with the internal data structure.
+
+    \sa QAbstractItemModel::createIndex()
+*/
+
+/*!
+    \fn void *QModelIndex::internalId() const
+
+    Returns a \c{qint64} used by the model to associate
+    the index with the internal data structure.
+
+    \sa QAbstractItemModel::createIndex()
+*/
+
+/*!
+    \fn bool QModelIndex::isValid() const
+
+    Returns true if this model index is valid; otherwise returns false.
+    A valid index belongs to a model, and has non-negative row and column numbers.
+
+    \sa model(), row(), column()
+*/
+
+/*!
+    \fn const QAbstractItemModel *QModelIndex::model() const
+
+    Returns a pointer to the model containing the item that this index
+    refers to.
+
+    You receive a const pointer to the model because calls to
+    non-const functions of the model might invalidate the model index
+    - and possibly crash your application.
+*/
+
+/*!
+    \fn QModelIndex QModelIndex::sibling(int row, int column) const
+
+    Returns the sibling at \a row and \a column or an invalid
+    QModelIndex if there is no sibling at this position.
+
+    \sa parent() child()
+*/
+
+/*!
+    \fn QModelIndex QModelIndex::child(int row, int column) const
+
+    Returns the child of the model index that is stored in the given
+    \a row and \a column.
+
+    \sa parent() sibling()
+*/
+
+/*!
+    \fn QVariant QModelIndex::data(int role) const
+
+    Returns the data for the given \a role for the item referred to by the index.
+*/
+
+/*!
+    \fn Qt::ItemFlags QModelIndex::flags() const
+    \since 4.2
+
+    Returns the flags for the item referred to by the index.
+*/
+
+/*!
+    \fn bool QModelIndex::operator==(const QModelIndex &other) const
+
+    Returns true if this model index refers to the same location as
+    the \a other model index; otherwise returns false.
+    Note that all values in the model index are used when comparing
+    with another model index.
+*/
+
+
+/*!
+    \fn bool QModelIndex::operator!=(const QModelIndex &other) const
+
+    Returns true if this model index does not refer to the same
+    location as the \a other model index; otherwise returns false.
+*/
+
+
+/*!
+  \fn QModelIndex QModelIndex::parent() const
+
+  Returns the parent of the model index, or QModelIndex() if it has no
+  parent.
+
+  \sa child() sibling() model()
+*/
+
+/*!
+    \class QAbstractItemModel
+
+    \brief The QAbstractItemModel class provides the abstract interface for
+    item model classes.
+
+    \ingroup model-view
+    \mainclass
+
+    The QAbstractItemModel class defines the standard interface that item
+    models must use to be able to interoperate with other components in the
+    model/view architecture. It is not supposed to be instantiated directly.
+    Instead, you should subclass it to create new models.
+
+    The QAbstractItemModel class is one of the \l{Model/View Classes}
+    and is part of Qt's \l{Model/View Programming}{model/view framework}.
+
+    If you need a model to use with a QListView or a QTableView, you should
+    consider subclassing QAbstractListModel or QAbstractTableModel instead of
+    this class.
+
+    The underlying data model is exposed to views and delegates as a hierarchy
+    of tables. If you do not make use of the hierarchy, then the model is a
+    simple table of rows and columns. Each item has a unique index specified by
+    a QModelIndex.
+
+    \img modelindex-no-parent.png
+
+    Every item of data that can be accessed via a model has an associated model
+    index. You can obtain this model index using the index() function. Each
+    index may have a sibling() index; child items have a parent() index.
+
+    Each item has a number of data elements associated with it and they can be
+    retrieved by specifying a role (see \l Qt::ItemDataRole) to the model's
+    data() function. Data for all available roles can be obtained at the same
+    time using the itemData() function.
+
+    Data for each role is set using a particular \l Qt::ItemDataRole. Data for
+    individual roles are set individually with setData(), or they can be set
+    for all roles with setItemData().
+
+    Items can be queried with flags() (see \l Qt::ItemFlag) to see if they can
+    be selected, dragged, or manipulated in other ways.
+
+    If an item has child objects, hasChildren() returns true for the
+    corresponding index.
+
+    The model has a rowCount() and a columnCount() for each level of the
+    hierarchy. Rows and columns can be inserted and removed with insertRows(),
+    insertColumns(), removeRows(), and removeColumns().
+
+    The model emits signals to indicate changes. For example, dataChanged() is
+    emitted whenever items of data made available by the model are changed.
+    Changes to the headers supplied by the model cause headerDataChanged() to
+    be emitted. If the structure of the underlying data changes, the model can
+    emit layoutChanged() to indicate to any attached views that they should
+    redisplay any items shown, taking the new structure into account.
+
+    The items available through the model can be searched for particular data
+    using the match() function.
+
+    To sort the model, you can use sort().
+
+
+    \section1 Subclassing
+
+    \note Some general guidelines for subclassing models are available in the
+    \l{Model Subclassing Reference}.
+
+    When subclassing QAbstractItemModel, at the very least you must implement
+    index(), parent(), rowCount(), columnCount(), and data(). These functions
+    are used in all read-only models, and form the basis of editable models.
+
+    You can also reimplement hasChildren() to provide special behavior for
+    models where the implementation of rowCount() is expensive. This makes it
+    possible for models to restrict the amount of data requested by views, and
+    can be used as a way to implement lazy population of model data.
+
+    To enable editing in your model, you must also implement setData(), and
+    reimplement flags() to ensure that \c ItemIsEditable is returned.  You can
+    also reimplement headerData() and setHeaderData() to control the way the
+    headers for your model are presented.
+
+    The dataChanged() and headerDataChanged() signals must be emitted
+    explicitly when reimplementing the setData() and setHeaderData() functions,
+    respectively.
+
+    Custom models need to create model indexes for other components to use. To
+    do this, call createIndex() with suitable row and column numbers for the
+    item, and an identifier for it, either as a pointer or as an integer value.
+    The combination of these values must be unique for each item. Custom models
+    typically use these unique identifiers in other reimplemented functions to
+    retrieve item data and access information about the item's parents and
+    children. See the \l{Simple Tree Model Example} for more information about
+    unique identifiers.
+
+    It is not necessary to support every role defined in Qt::ItemDataRole.
+    Depending on the type of data contained within a model, it may only be
+    useful to implement the data() function to return valid information for
+    some of the more common roles. Most models provide at least a textual
+    representation of item data for the Qt::DisplayRole, and well-behaved
+    models should also provide valid information for the Qt::ToolTipRole and
+    Qt::WhatsThisRole. Supporting these roles enables models to be used with
+    standard Qt views. However, for some models that handle highly-specialized
+    data, it may be appropriate to provide data only for user-defined roles.
+
+    Models that provide interfaces to resizable data structures can provide
+    implementations of insertRows(), removeRows(), insertColumns(),and
+    removeColumns(). When implementing these functions, it is important to
+    notify any connected views about changes to the model's dimensions both
+    \e before and \e after they occur:
+
+    \list
+        \o An insertRows() implementation must call beginInsertRows() \e before
+           inserting new rows into the data structure, and endInsertRows()
+           \e{immediately afterwards}.
+        \o An insertColumns() implementation must call beginInsertColumns()
+           \e before inserting new columns into the data structure, and
+           endInsertColumns() \e{immediately afterwards}.
+        \o A removeRows() implementation must call beginRemoveRows() \e before
+           the rows are removed from the data structure, and endRemoveRows()
+           \e{immediately afterwards}.
+        \o A removeColumns() implementation must call beginRemoveColumns()
+           \e before the columns are removed from the data structure, and
+           endRemoveColumns() \e{immediately afterwards}.
+    \endlist
+
+    The \e private signals that these functions emit give attached components
+    the chance to take action before any data becomes unavailable. The
+    encapsulation of the insert and remove operations with these begin and end
+    functions also enables the model to manage \l{QPersistentModelIndex}
+    {persistent model indexes} correctly. \bold{If you want selections to be
+    handled properly, you must ensure that you call these functions.} If you
+    insert or remove an item with children, you do not need to call these
+    functions for the child items. In other words, the parent item will take
+    care of its child items.
+
+    To create models that populate incrementally, you can reimplement
+    fetchMore() and canFetchMore(). If the reimplementation of fetchMore() adds
+    rows to the model, \l{QAbstractItemModel::}{beginInsertRows()} and
+    \l{QAbstractItemModel::}{endInsertRows()} must be called.
+
+    \sa {Model Classes}, {Model Subclassing Reference}, QModelIndex,
+        QAbstractItemView, {Using Drag and Drop with Item Views},
+        {Simple DOM Model Example},
+        {Simple Tree Model Example}, {Editable Tree Model Example},
+        {Fetch More Example}
+*/
+
+/*!
+    \fn QModelIndex QAbstractItemModel::index(int row, int column, const QModelIndex &parent) const = 0
+
+    Returns the index of the item in the model specified by the given \a row,
+    \a column and \a parent index.
+
+    When reimplementing this function in a subclass, call createIndex() to generate
+    model indexes that other components can use to refer to items in your model.
+
+    \sa createIndex()
+*/
+
+/*!
+    \fn bool QAbstractItemModel::insertColumn(int column, const QModelIndex &parent)
+
+    Inserts a single column before the given \a column in the child items of
+    the \a parent specified. Returns true if the column is inserted; otherwise
+    returns false.
+
+    \sa insertColumns() insertRow() removeColumn()
+*/
+
+/*!
+    \fn bool QAbstractItemModel::insertRow(int row, const QModelIndex &parent)
+
+    Inserts a single row before the given \a row in the child items of the
+    \a parent specified. Returns true if the row is inserted; otherwise
+    returns false.
+
+    \sa insertRows() insertColumn() removeRow()
+*/
+
+/*!
+    \fn QObject *QAbstractItemModel::parent() const
+    \internal
+*/
+
+/*!
+    \fn QModelIndex QAbstractItemModel::parent(const QModelIndex &index) const = 0
+
+    Returns the parent of the model item with the given \a index, or QModelIndex()
+    if it has no parent.
+
+    A common convention used in models that expose tree data structures is that
+    only items in the first column have children. For that case, when reimplementing
+    this function in a subclass the column of the returned QModelIndex would be 0.
+
+    \note When reimplementing this function in a subclass, be careful to avoid
+    calling QModelIndex member functions, such as QModelIndex::parent(), since
+    indexes belonging to your model will simply call your implementation, leading
+    to infinite recursion.
+
+    \sa createIndex()
+*/
+
+/*!
+    \fn bool QAbstractItemModel::removeColumn(int column, const QModelIndex &parent)
+
+    Removes the given \a column from the child items of the \a parent specified.
+    Returns true if the column is removed; otherwise returns false.
+
+    \sa removeColumns(), removeRow(), insertColumn()
+*/
+
+/*!
+    \fn bool QAbstractItemModel::removeRow(int row, const QModelIndex &parent)
+
+    Removes the given \a row from the child items of the \a parent specified.
+    Returns true if the row is removed; otherwise returns false.
+
+    The removeRow() is a convenience function that calls removeRows().
+    The QAbstractItemModel implementation of removeRows does nothing.
+
+    \sa removeRows(), removeColumn(), insertRow()
+*/
+
+/*!
+    \fn void QAbstractItemModel::headerDataChanged(Qt::Orientation orientation, int first, int last)
+
+    This signal is emitted whenever a header is changed. The \a orientation
+    indicates whether the horizontal or vertical header has changed. The
+    sections in the header from the \a first to the \a last need to be updated.
+
+    Note that this signal must be emitted explicitly when
+    reimplementing the setHeaderData() function.
+
+    If you are changing the number of columns or rows you don't need
+    to emit this signal, but use the begin/end functions (see the
+    section on subclassing in the QAbstractItemModel class description
+    for details).
+
+    \sa headerData(), setHeaderData(), dataChanged()
+*/
+
+/*!
+    \fn void QAbstractItemModel::layoutAboutToBeChanged()
+    \since 4.2
+
+    This signal is emitted just before the layout of a model is changed.
+    Components connected to this signal use it to adapt to changes
+    in the model's layout.
+
+    Subclasses should update any persistent model indexes after emitting
+    layoutAboutToBeChanged().
+
+    \sa layoutChanged(), changePersistentIndex()
+*/
+
+/*!
+    \fn void QAbstractItemModel::layoutChanged()
+
+    This signal is emitted whenever the layout of items exposed by the model
+    has changed; for example, when the model has been sorted. When this signal is
+    received by a view, it should update the layout of items to reflect this
+    change.
+
+    When subclassing QAbstractItemModel or QAbstractProxyModel, ensure that
+    you emit layoutAboutToBeChanged() before changing the order of items or
+    altering the structure of the data you expose to views, and emit
+    layoutChanged() after changing the layout.
+
+    Subclasses should update any persistent model indexes before
+    emitting layoutChanged().
+
+    \sa layoutAboutToBeChanged(), dataChanged(), headerDataChanged(), reset(), changePersistentIndex()
+*/
+
+/*!
+    Constructs an abstract item model with the given \a parent.
+*/
+QAbstractItemModel::QAbstractItemModel(QObject *parent)
+    : QObject(*new QAbstractItemModelPrivate, parent)
+{
+}
+
+/*!
+  \internal
+*/
+QAbstractItemModel::QAbstractItemModel(QAbstractItemModelPrivate &dd, QObject *parent)
+    : QObject(dd, parent)
+{
+}
+
+/*!
+    Destroys the abstract item model.
+*/
+QAbstractItemModel::~QAbstractItemModel()
+{
+    d_func()->invalidatePersistentIndexes();
+}
+
+/*!
+    \fn QModelIndex QAbstractItemModel::sibling(int row, int column, const QModelIndex &index) const
+
+    Returns the sibling at \a row and \a column for the item at \a index, or
+    an invalid QModelIndex if there is no sibling at that location.
+
+    sibling() is just a convenience function that finds the item's parent, and
+    uses it to retrieve the index of the child item in the specified \a row
+    and \a column.
+
+    \sa index(), QModelIndex::row(), QModelIndex::column()
+*/
+
+
+/*!
+    \fn int QAbstractItemModel::rowCount(const QModelIndex &parent) const
+
+    Returns the number of rows under the given \a parent.   When the parent
+    is valid it means that rowCount is returning the number of children of parent.
+
+    \bold{Tip:} When implementing a table based model, rowCount() should return 0 when
+    the parent is valid.
+
+    \sa columnCount()
+*/
+
+/*!
+    \fn int QAbstractItemModel::columnCount(const QModelIndex &parent) const
+
+    Returns the number of columns for the children of the given \a parent.
+
+    In most subclasses, the number of columns is independent of the
+    \a parent. For example:
+
+    \snippet examples/itemviews/simpledommodel/dommodel.cpp 2
+
+    \bold{Tip:} When implementing a table based model, columnCount() should return 0 when
+    the parent is valid.
+
+    \sa rowCount()
+*/
+
+/*!
+    \fn void QAbstractItemModel::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
+
+    This signal is emitted whenever the data in an existing item changes.
+
+    If the items are of the same parent, the affected ones are those between
+    \a topLeft and \a bottomRight inclusive. If the items do not have the same
+    parent, the behavior is undefined.
+
+    When reimplementing the setData() function, this signal must be emitted
+    explicitly.
+
+    \sa headerDataChanged(), setData(), layoutChanged()
+*/
+
+/*!
+    \fn void QAbstractItemModel::rowsInserted(const QModelIndex &parent, int start, int end)
+
+    This signal is emitted after rows have been inserted into the
+    model. The new items are those between \a start and \a end
+    inclusive, under the given \a parent item.
+
+    \bold{Note:} Components connected to this signal use it to adapt to changes
+    in the model's dimensions. It can only be emitted by the QAbstractItemModel
+    implementation, and cannot be explicitly emitted in subclass code.
+
+    \sa insertRows(), beginInsertRows()
+*/
+
+/*!
+    \fn void QAbstractItemModel::rowsAboutToBeInserted(const QModelIndex &parent, int start, int end)
+
+    This signal is emitted just before rows are inserted into the
+    model. The new items will be positioned between \a start and \a end
+    inclusive, under the given \a parent item.
+
+    \bold{Note:} Components connected to this signal use it to adapt to changes
+    in the model's dimensions. It can only be emitted by the QAbstractItemModel
+    implementation, and cannot be explicitly emitted in subclass code.
+
+    \sa insertRows(), beginInsertRows()
+*/
+
+/*!
+    \fn void QAbstractItemModel::rowsRemoved(const QModelIndex &parent, int start, int end)
+
+    This signal is emitted after rows have been removed from the
+    model. The removed items are those between \a start and \a end
+    inclusive, under the given \a parent item.
+
+    \bold{Note:} Components connected to this signal use it to adapt to changes
+    in the model's dimensions. It can only be emitted by the QAbstractItemModel
+    implementation, and cannot be explicitly emitted in subclass code.
+
+    \sa removeRows(), beginRemoveRows()
+*/
+
+/*!
+    \fn void QAbstractItemModel::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
+
+    This signal is emitted just before rows are removed from the
+    model. The items that will be removed are those between \a start and \a end
+    inclusive, under the given \a parent item.
+
+    \bold{Note:} Components connected to this signal use it to adapt to changes
+    in the model's dimensions. It can only be emitted by the QAbstractItemModel
+    implementation, and cannot be explicitly emitted in subclass code.
+
+    \sa removeRows(), beginRemoveRows()
+*/
+
+/*!
+    \fn void QAbstractItemModel::columnsInserted(const QModelIndex &parent, int start, int end)
+
+    This signal is emitted after columns have been inserted into the
+    model. The new items are those between \a start and \a end
+    inclusive, under the given \a parent item.
+
+    \bold{Note:} Components connected to this signal use it to adapt to changes
+    in the model's dimensions. It can only be emitted by the QAbstractItemModel
+    implementation, and cannot be explicitly emitted in subclass code.
+
+    \sa insertColumns(), beginInsertColumns()
+*/
+
+/*!
+    \fn void QAbstractItemModel::columnsAboutToBeInserted(const QModelIndex &parent, int start, int end)
+
+    This signal is emitted just before columns are inserted into the
+    model. The new items will be positioned between \a start and \a end
+    inclusive, under the given \a parent item.
+
+    \bold{Note:} Components connected to this signal use it to adapt to changes
+    in the model's dimensions. It can only be emitted by the QAbstractItemModel
+    implementation, and cannot be explicitly emitted in subclass code.
+
+    \sa insertColumns(), beginInsertColumns()
+*/
+
+/*!
+    \fn void QAbstractItemModel::columnsRemoved(const QModelIndex &parent, int start, int end)
+
+    This signal is emitted after columns have been removed from the
+    model. The removed items are those between \a start and \a end
+    inclusive, under the given \a parent item.
+
+    \bold{Note:} Components connected to this signal use it to adapt to changes
+    in the model's dimensions. It can only be emitted by the QAbstractItemModel
+    implementation, and cannot be explicitly emitted in subclass code.
+
+    \sa removeColumns(), beginRemoveColumns()
+*/
+
+/*!
+    \fn void QAbstractItemModel::columnsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
+
+    This signal is emitted just before columns are removed
+    from the model. The items to be removed are those between \a start and
+    \a end inclusive, under the given \a parent item.
+
+    \bold{Note:} Components connected to this signal use it to adapt to changes
+    in the model's dimensions. It can only be emitted by the QAbstractItemModel
+    implementation, and cannot be explicitly emitted in subclass code.
+
+    \sa removeColumns(), beginRemoveColumns()
+*/
+
+/*!
+  Returns true if the model returns a valid QModelIndex for \a row and
+  \a column with \a parent, otherwise returns false.
+*/
+bool QAbstractItemModel::hasIndex(int row, int column, const QModelIndex &parent) const
+{
+    if (row < 0 || column < 0)
+        return false;
+    return row < rowCount(parent) && column < columnCount(parent);
+}
+
+
+/*!
+  Returns true if \a parent has any children; otherwise returns false.
+  Use rowCount() on the parent to find out the number of children.
+
+  \sa parent() index()
+*/
+bool QAbstractItemModel::hasChildren(const QModelIndex &parent) const
+{
+    return (rowCount(parent) > 0) && (columnCount(parent) > 0);
+}
+
+
+/*!
+    Returns a map with values for all predefined roles in the model
+    for the item at the given \a index.
+
+    Reimplemented this function if you want to extend the default behavior
+    of this function to include custom roles in the map.
+
+    \sa Qt::ItemDataRole, data()
+*/
+QMap<int, QVariant> QAbstractItemModel::itemData(const QModelIndex &index) const
+{
+    QMap<int, QVariant> roles;
+    for (int i = 0; i < Qt::UserRole; ++i) {
+        QVariant variantData = data(index, i);
+        if (variantData.type() != QVariant::Invalid)
+            roles.insert(i, variantData);
+    }
+    return roles;
+}
+
+/*!
+    Sets the \a role data for the item at \a index to \a value.
+    Returns true if successful; otherwise returns false.
+
+    The dataChanged() signal should be emitted if the data was successfully set.
+
+    The base class implementation returns false. This function and
+    data() must be reimplemented for editable models. Note that the
+    dataChanged() signal must be emitted explicitly when
+    reimplementing this function.
+
+    \sa Qt::ItemDataRole, data(), itemData()
+*/
+bool QAbstractItemModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    Q_UNUSED(index);
+    Q_UNUSED(value);
+    Q_UNUSED(role);
+    return false;
+}
+
+/*!
+    \fn QVariant QAbstractItemModel::data(const QModelIndex &index, int role) const = 0
+
+    Returns the data stored under the given \a role for the item referred to
+    by the \a index.
+
+    \note If you do not have a value to return, return an \bold invalid
+    QVariant() instead of returning 0.
+
+    \sa Qt::ItemDataRole, setData(), headerData()
+*/
+
+/*!
+    Sets the role data for the item at \a index to the associated value in
+    \a roles, for every Qt::ItemDataRole. Returns true if successful; otherwise
+    returns false.
+
+    Roles that are not in \a roles will not be modified.
+
+    \sa setData() data() itemData()
+*/
+bool QAbstractItemModel::setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles)
+{
+    bool b = true;
+    for (QMap<int, QVariant>::ConstIterator it = roles.begin(); it != roles.end(); ++it)
+        b = b && setData(index, it.value(), it.key());
+    return b;
+}
+
+/*!
+    Returns a list of MIME types that can be used to describe a list of
+    model indexes.
+
+    \sa mimeData()
+*/
+QStringList QAbstractItemModel::mimeTypes() const
+{
+    QStringList types;
+    types << QLatin1String("application/x-qabstractitemmodeldatalist");
+    return types;
+}
+
+/*!
+    Returns an object that contains serialized items of data corresponding to the
+    list of \a indexes specified. The formats used to describe the encoded data
+    is obtained from the mimeTypes() function.
+
+    If the list of indexes is empty, or there are no supported MIME types,
+    0 is returned rather than a serialized empty list.
+
+    \sa mimeTypes(), dropMimeData()
+*/
+QMimeData *QAbstractItemModel::mimeData(const QModelIndexList &indexes) const
+{
+    if (indexes.count() <= 0)
+        return 0;
+    QStringList types = mimeTypes();
+    if (types.isEmpty())
+        return 0;
+    QMimeData *data = new QMimeData();
+    QString format = types.at(0);
+    QByteArray encoded;
+    QDataStream stream(&encoded, QIODevice::WriteOnly);
+    encodeData(indexes, stream);
+    data->setData(format, encoded);
+    return data;
+}
+
+/*!
+    Handles the \a data supplied by a drag and drop operation that ended with
+    the given \a action. Returns true if the data and action can be handled
+    by the model; otherwise returns false.
+
+    Although the specified \a row, \a column and \a parent indicate the location of
+    an item in the model where the operation ended, it is the responsibility of the
+    view to provide a suitable location for where the data should be inserted.
+
+    For instance, a drop action on an item in a QTreeView can result in new items
+    either being inserted as children of the item specified by \a row, \a column,
+    and \a parent, or as siblings of the item.
+
+    When row and column are -1 it means that it is up to the model to decide
+    where to place the data.  This can occur in a tree when data is dropped
+    on a parent.  Models will usually append the data to the parent in this case.
+
+    Returns true if the dropping was successful otherwise false.
+
+    \sa supportedDropActions(), {Using Drag and Drop with Item Views}
+*/
+bool QAbstractItemModel::dropMimeData(const QMimeData *data, Qt::DropAction action,
+                                      int row, int column, const QModelIndex &parent)
+{
+    // check if the action is supported
+    if (!data || !(action == Qt::CopyAction || action == Qt::MoveAction))
+        return false;
+    // check if the format is supported
+    QStringList types = mimeTypes();
+    if (types.isEmpty())
+        return false;
+    QString format = types.at(0);
+    if (!data->hasFormat(format))
+        return false;
+    if (row > rowCount(parent))
+        row = rowCount(parent);
+    if (row == -1)
+        row = rowCount(parent);
+    if (column == -1)
+        column = 0;
+    // decode and insert
+    QByteArray encoded = data->data(format);
+    QDataStream stream(&encoded, QIODevice::ReadOnly);
+    return decodeData(row, column, parent, stream);
+}
+
+/*!
+  \since 4.2
+
+  Returns the drop actions supported by this model.
+
+  The default implementation returns Qt::CopyAction. Reimplement this
+  function if you wish to support additional actions. Note that you
+  must also reimplement the dropMimeData() function to handle the
+  additional operations.
+
+  \sa dropMimeData(), Qt::DropActions, {Using Drag and Drop with Item
+  Views}
+*/
+Qt::DropActions QAbstractItemModel::supportedDropActions() const
+{
+    return Qt::CopyAction;
+}
+
+/*!
+  Returns the actions supported by the data in this model.
+
+  The default implementation returns supportedDropActions() unless
+  specific values have been set with setSupportedDragActions().
+
+  supportedDragActions() is used by QAbstractItemView::startDrag() as
+  the default values when a drag occurs.
+
+  \sa Qt::DropActions, {Using Drag and Drop with Item Views}
+*/
+Qt::DropActions QAbstractItemModel::supportedDragActions() const
+{
+    // ### Qt 5: make this virtual or these properties
+    Q_D(const QAbstractItemModel);
+    if (d->supportedDragActions != -1)
+        return d->supportedDragActions;
+    return supportedDropActions();
+}
+
+/*!
+    \since 4.2
+
+    Sets the supported drag \a actions for the items in the model.
+
+    \sa supportedDragActions(), {Using Drag and Drop with Item Views}
+*/
+void QAbstractItemModel::setSupportedDragActions(Qt::DropActions actions)
+{
+    Q_D(QAbstractItemModel);
+    d->supportedDragActions = actions;
+}
+
+/*!
+  On models that support this, inserts \a count rows into the model before the
+  given \a row.  The items in the new row will be children of the item
+  represented by the \a parent model index.
+
+  If \a row is 0, the rows are prepended to any existing rows in the parent.
+  If \a row is rowCount(), the rows are appended to any existing rows in the
+  parent.
+  If \a parent has no children, a single column with \a count rows is inserted.
+
+  Returns true if the rows were successfully inserted; otherwise returns
+  false.
+
+  The base class implementation does nothing and returns false.
+
+  If you implement your own model, you can reimplement this function
+  if you want to support insertions. Alternatively, you can provide
+  you own API for altering the data.
+
+  \sa insertColumns(), removeRows(), beginInsertRows(), endInsertRows()
+*/
+bool QAbstractItemModel::insertRows(int, int, const QModelIndex &)
+{
+    return false;
+}
+
+/*!
+  On models that support this, inserts \a count new columns into the model
+  before the given \a column.  The items in each new column will be children
+  of the item represented by the \a parent model index.
+
+  If \a column is 0, the columns are prepended to any existing columns.
+  If \a column is columnCount(), the columns are appended to any existing
+  columns.
+  If \a parent has no children, a single row with \a count columns is inserted.
+
+  Returns true if the columns were successfully inserted; otherwise returns
+  false.
+
+  The base class implementation does nothing and returns false.
+
+  If you implement your own model, you can reimplement this function
+  if you want to support insertions. Alternatively, you can provide
+  you own API for altering the data.
+
+  \sa insertRows(), removeColumns(), beginInsertColumns(), endInsertColumns()
+*/
+bool QAbstractItemModel::insertColumns(int, int, const QModelIndex &)
+{
+    return false;
+}
+
+/*!
+    On models that support this, removes \a count rows starting with the given
+    \a row under parent \a parent from the model. Returns true if the rows
+    were successfully removed; otherwise returns false.
+
+    The base class implementation does nothing and returns false.
+
+    If you implement your own model, you can reimplement this function
+    if you want to support removing. Alternatively, you can provide
+    you own API for altering the data.
+
+    \sa removeRow(), removeColumns(), insertColumns(), beginRemoveRows(), endRemoveRows()
+*/
+bool QAbstractItemModel::removeRows(int, int, const QModelIndex &)
+{
+    return false;
+}
+
+/*!
+    On models that support this, removes \a count columns starting with the
+    given \a column under parent \a parent from the model. Returns true if the
+    columns were successfully removed; otherwise returns false.
+
+    The base class implementation does nothing and returns false.
+
+    If you implement your own model, you can reimplement this function
+    if you want to support removing. Alternatively, you can provide
+    you own API for altering the data.
+
+    \sa removeColumn(), removeRows(), insertColumns(), beginRemoveColumns(), endRemoveColumns()
+*/
+bool QAbstractItemModel::removeColumns(int, int, const QModelIndex &)
+{
+    return false;
+}
+
+/*!
+    Fetches any available data for the items with the parent specified by the
+    \a parent index.
+
+    Reimplement this if you are populating your model incrementally.
+
+    The default implementation does nothing.
+
+    \sa canFetchMore()
+*/
+void QAbstractItemModel::fetchMore(const QModelIndex &)
+{
+    // do nothing
+}
+
+/*!
+    Returns true if there is more data available for \a parent; otherwise returns
+    false.
+    
+    The default implementation always returns false.
+
+    If canFetchMore() returns true, QAbstractItemView will call fetchMore().
+    However, the fetchMore() function is only called when the model is being
+    populated incrementally.
+
+    \sa fetchMore()
+*/
+bool QAbstractItemModel::canFetchMore(const QModelIndex &) const
+{
+    return false;
+}
+
+/*!
+    Returns the item flags for the given \a index.
+
+    The base class implementation returns a combination of flags that
+    enables the item (\c ItemIsEnabled) and allows it to be
+    selected (\c ItemIsSelectable).
+
+    \sa Qt::ItemFlags
+*/
+Qt::ItemFlags QAbstractItemModel::flags(const QModelIndex &index) const
+{
+    Q_D(const QAbstractItemModel);
+    if (!d->indexValid(index))
+        return 0;
+
+    return Qt::ItemIsSelectable|Qt::ItemIsEnabled;
+}
+
+/*!
+    Sorts the model by \a column in the given \a order.
+
+    The base class implementation does nothing.
+*/
+void QAbstractItemModel::sort(int column, Qt::SortOrder order)
+{
+    Q_UNUSED(column);
+    Q_UNUSED(order);
+    // do nothing
+}
+
+/*!
+  Returns a model index for the buddy of the item represented by \a index.
+  When the user wants to edit an item, the view will call this function to
+  check whether another item in the model should be edited instead, and
+  construct a delegate using the model index returned by the buddy item.
+
+  In the default implementation each item is its own buddy.
+*/
+QModelIndex QAbstractItemModel::buddy(const QModelIndex &index) const
+{
+    return index;
+}
+
+/*!
+    Returns a list of indexes for the items in the column of the \a
+    start index where the data stored under the given \a role matches
+    the specified \a value. The way the search is performed is defined
+    by the \a flags given. The list that is returned may be empty.
+
+    The search starts from the \a start index, and continues until the
+    number of matching data items equals \a hits, the search reaches
+    the last row, or the search reaches \a start again, depending on
+    whether \c MatchWrap is specified in \a flags. If you want to search
+    for all matching items, use \a hits = -1.
+
+    By default, this function will perform a wrapping, string-based comparison
+    on all items, searching for items that begin with the search term specified
+    by \a value.
+    
+    \note The default implementation of this function only searches columns,
+    This function can be reimplemented to include other search behavior.
+*/
+QModelIndexList QAbstractItemModel::match(const QModelIndex &start, int role,
+                                          const QVariant &value, int hits,
+                                          Qt::MatchFlags flags) const
+{
+    QModelIndexList result;
+    uint matchType = flags & 0x0F;
+    Qt::CaseSensitivity cs = flags & Qt::MatchCaseSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive;
+    bool recurse = flags & Qt::MatchRecursive;
+    bool wrap = flags & Qt::MatchWrap;
+    bool allHits = (hits == -1);
+    QString text; // only convert to a string if it is needed
+    QModelIndex p = parent(start);
+    int from = start.row();
+    int to = rowCount(p);
+
+    // iterates twice if wrapping
+    for (int i = 0; (wrap && i < 2) || (!wrap && i < 1); ++i) {
+        for (int r = from; (r < to) && (allHits || result.count() < hits); ++r) {
+            QModelIndex idx = index(r, start.column(), p);
+            if (!idx.isValid())
+                 continue;
+            QVariant v = data(idx, role);
+            // QVariant based matching
+            if (matchType == Qt::MatchExactly) {
+                if (value == v)
+                    result.append(idx);
+            } else { // QString based matching
+                if (text.isEmpty()) // lazy conversion
+                    text = value.toString();
+                QString t = v.toString();
+                switch (matchType) {
+                case Qt::MatchRegExp:
+                    if (QRegExp(text, cs).exactMatch(t))
+                        result.append(idx);
+                    break;
+                case Qt::MatchWildcard:
+                    if (QRegExp(text, cs, QRegExp::Wildcard).exactMatch(t))
+                        result.append(idx);
+                    break;
+                case Qt::MatchStartsWith:
+                    if (t.startsWith(text, cs))
+                        result.append(idx);
+                    break;
+                case Qt::MatchEndsWith:
+                    if (t.endsWith(text, cs))
+                        result.append(idx);
+                    break;
+                case Qt::MatchFixedString:
+                    if (t.compare(text, cs) == 0)
+                        result.append(idx);
+                    break;
+                case Qt::MatchContains:
+                default:
+                    if (t.contains(text, cs))
+                        result.append(idx);
+                }
+            }
+            if (recurse && hasChildren(idx)) { // search the hierarchy
+                result += match(index(0, idx.column(), idx), role,
+                                (text.isEmpty() ? value : text),
+                                (allHits ? -1 : hits - result.count()), flags);
+            }
+        }
+        // prepare for the next iteration
+        from = 0;
+        to = start.row();
+    }
+    return result;
+}
+
+/*!
+    Returns the row and column span of the item represented by \a index.
+
+    Note: span is not used currently, but will be in the future.
+*/
+
+QSize QAbstractItemModel::span(const QModelIndex &) const
+{
+    return QSize(1, 1);
+}
+
+/*!
+  Called to let the model know that it should submit whatever it has cached
+  to the permanent storage. Typically used for row editing.
+
+  Returns false on error, otherwise true.
+*/
+
+bool QAbstractItemModel::submit()
+{
+    return true;
+}
+
+/*!
+  Called to let the model know that it should discard whatever it has cached.
+  Typically used for row editing.
+*/
+
+void QAbstractItemModel::revert()
+{
+    // do nothing
+}
+
+/*!
+  Returns the data for the given \a role and \a section in the header
+  with the specified \a orientation.
+
+  For horizontal headers, the section number corresponds to the column
+  number of items shown beneath it. For vertical headers, the section
+  number typically to the row number of items shown alongside it.
+
+  \sa Qt::ItemDataRole, setHeaderData(), QHeaderView
+*/
+
+QVariant QAbstractItemModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    Q_UNUSED(orientation);
+    if (role == Qt::DisplayRole)
+        return section + 1;
+    return QVariant();
+}
+
+/*!
+  Sets the data for the given \a role and \a section in the header with
+  the specified \a orientation to the \a value supplied.
+  Returns true if the header's data was updated; otherwise returns false.
+
+  Note that the headerDataChanged() signal must be emitted explicitly
+  when reimplementing this function.
+
+  \sa Qt::ItemDataRole, headerData()
+*/
+
+bool QAbstractItemModel::setHeaderData(int section, Qt::Orientation orientation,
+                                       const QVariant &value, int role)
+{
+    Q_UNUSED(section);
+    Q_UNUSED(orientation);
+    Q_UNUSED(value);
+    Q_UNUSED(role);
+    return false;
+}
+
+/*!
+    \fn QModelIndex QAbstractItemModel::createIndex(int row, int column, void *ptr) const
+
+    Creates a model index for the given \a row and \a column with the internal pointer \a ptr.
+
+    Note that when you are using a QSortFilterProxyModel its indexes have their own
+    internal pointer.  It is not advisable to access the internal pointer in the index
+    outside of the model.  Use the data() function instead.
+
+    This function provides a consistent interface that model subclasses must
+    use to create model indexes.
+*/
+
+/*!
+    \fn QModelIndex QAbstractItemModel::createIndex(int row, int column, int id) const
+    \obsolete
+
+    Use QModelIndex QAbstractItemModel::createIndex(int row, int column, quint32 id) instead.
+*/
+
+/*!
+    \fn QModelIndex QAbstractItemModel::createIndex(int row, int column, quint32 id) const
+
+    Creates a model index for the given \a row and \a column with the internal
+    identifier, \a id.
+
+    This function provides a consistent interface that model subclasses must
+    use to create model indexes.
+    \sa QModelIndex::internalId()
+*/
+
+/*!
+  \internal
+*/
+void QAbstractItemModel::encodeData(const QModelIndexList &indexes, QDataStream &stream) const
+{
+    QModelIndexList::ConstIterator it = indexes.begin();
+    for (; it != indexes.end(); ++it)
+        stream << (*it).row() << (*it).column() << itemData(*it);
+}
+
+/*!
+  \internal
+ */
+bool QAbstractItemModel::decodeData(int row, int column, const QModelIndex &parent,
+                                    QDataStream &stream)
+{
+    int top = INT_MAX;
+    int left = INT_MAX;
+    int bottom = 0;
+    int right = 0;
+    QVector<int> rows, columns;
+    QVector<QMap<int, QVariant> > data;
+
+    while (!stream.atEnd()) {
+        int r, c;
+        QMap<int, QVariant> v;
+        stream >> r >> c >> v;
+        rows.append(r);
+        columns.append(c);
+        data.append(v);
+        top = qMin(r, top);
+        left = qMin(c, left);
+        bottom = qMax(r, bottom);
+        right = qMax(c, right);
+    }
+
+    // insert the dragged items into the table, use a bit array to avoid overwriting items,
+    // since items from different tables can have the same row and column
+    int dragRowCount = 0;
+    int dragColumnCount = right - left + 1;
+
+    // Compute the number of continuous rows upon insertion and modify the rows to match
+    QVector<int> rowsToInsert(bottom + 1);
+    for (int i = 0; i < rows.count(); ++i)
+        rowsToInsert[rows.at(i)] = 1;
+    for (int i = 0; i < rowsToInsert.count(); ++i) {
+        if (rowsToInsert[i] == 1){
+            rowsToInsert[i] = dragRowCount;
+            ++dragRowCount;
+        }
+    }
+    for (int i = 0; i < rows.count(); ++i)
+        rows[i] = top + rowsToInsert[rows[i]];
+
+    QBitArray isWrittenTo(dragRowCount * dragColumnCount);
+
+    // make space in the table for the dropped data
+    int colCount = columnCount(parent);
+    if (colCount == 0) {
+        insertColumns(colCount, dragColumnCount - colCount, parent);
+        colCount = columnCount(parent);
+    }
+    insertRows(row, dragRowCount, parent);
+
+    row = qMax(0, row);
+    column = qMax(0, column);
+
+    QVector<QPersistentModelIndex> newIndexes(data.size());
+    // set the data in the table
+    for (int j = 0; j < data.size(); ++j) {
+        int relativeRow = rows.at(j) - top;
+        int relativeColumn = columns.at(j) - left;
+        int destinationRow = relativeRow + row;
+        int destinationColumn = relativeColumn + column;
+        int flat = (relativeRow * dragColumnCount) + relativeColumn;
+        // if the item was already written to, or we just can't fit it in the table, create a new row
+        if (destinationColumn >= colCount || isWrittenTo.testBit(flat)) {
+            destinationColumn = qBound(column, destinationColumn, colCount - 1);
+            destinationRow = row + dragRowCount;
+            insertRows(row + dragRowCount, 1, parent);
+            flat = (dragRowCount * dragColumnCount) + relativeColumn;
+            isWrittenTo.resize(++dragRowCount * dragColumnCount);
+        }
+        if (!isWrittenTo.testBit(flat)) {
+            newIndexes[j] = index(destinationRow, destinationColumn, parent);
+            isWrittenTo.setBit(flat);
+        }
+    }
+
+    for(int k = 0; k < newIndexes.size(); k++) {
+        if (newIndexes.at(k).isValid())
+            setItemData(newIndexes.at(k), data.at(k));
+    }
+
+    return true;
+}
+
+/*!
+    Begins a row insertion operation.
+
+    When reimplementing insertRows() in a subclass, you must call this
+    function \e before inserting data into the model's underlying data
+    store.
+
+    The \a parent index corresponds to the parent into which the new
+    rows are inserted; \a first and \a last are the row numbers that the
+    new rows will have after they have been inserted.
+
+    \table 80%
+    \row \o \inlineimage modelview-begin-insert-rows.png Inserting rows
+    \o Specify the first and last row numbers for the span of rows
+       you want to insert into an item in a model.
+
+    For example, as shown in the diagram, we insert three rows before
+    row 2, so \a first is 2 and \a last is 4:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp 0
+    This inserts the three new rows as rows 2, 3, and 4.
+    \row
+    \o \inlineimage modelview-begin-append-rows.png Appending rows
+    \o To append rows, insert them after the last row.
+
+    For example, as shown in the diagram, we append two rows to a
+    collection of 4 existing rows (ending in row 3), so \a first is 4
+    and \a last is 5:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp 1
+    This appends the two new rows as rows 4 and 5.
+    \endtable
+
+    \sa endInsertRows()
+*/
+void QAbstractItemModel::beginInsertRows(const QModelIndex &parent, int first, int last)
+{
+    Q_ASSERT(first >= 0);
+    Q_ASSERT(last >= first);
+    Q_D(QAbstractItemModel);
+    d->changes.push(QAbstractItemModelPrivate::Change(parent, first, last));
+    emit rowsAboutToBeInserted(parent, first, last);
+    d->rowsAboutToBeInserted(parent, first, last);
+}
+
+/*!
+    Ends a row insertion operation.
+
+    When reimplementing insertRows() in a subclass, you must call this
+    function \e after inserting data into the model's underlying data
+    store.
+
+    \sa beginInsertRows()
+*/
+void QAbstractItemModel::endInsertRows()
+{
+    Q_D(QAbstractItemModel);
+    QAbstractItemModelPrivate::Change change = d->changes.pop();
+    d->rowsInserted(change.parent, change.first, change.last);
+    emit rowsInserted(change.parent, change.first, change.last);
+}
+
+/*!
+    Begins a row removal operation.
+
+    When reimplementing removeRows() in a subclass, you must call this
+    function \e before removing data from the model's underlying data
+    store.
+
+    The \a parent index corresponds to the parent from which the new
+    rows are removed; \a first and \a last are the row numbers of the
+    rows to be removed.
+
+    \table 80%
+    \row \o \inlineimage modelview-begin-remove-rows.png Removing rows
+    \o Specify the first and last row numbers for the span of rows
+       you want to remove from an item in a model.
+
+    For example, as shown in the diagram, we remove the two rows from
+    row 2 to row 3, so \a first is 2 and \a last is 3:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp 2
+    \endtable
+
+    \sa endRemoveRows()
+*/
+void QAbstractItemModel::beginRemoveRows(const QModelIndex &parent, int first, int last)
+{
+    Q_ASSERT(first >= 0);
+    Q_ASSERT(last >= first);
+    Q_D(QAbstractItemModel);
+    d->changes.push(QAbstractItemModelPrivate::Change(parent, first, last));
+    emit rowsAboutToBeRemoved(parent, first, last);
+    d->rowsAboutToBeRemoved(parent, first, last);
+}
+
+/*!
+    Ends a row removal operation.
+
+    When reimplementing removeRows() in a subclass, you must call this
+    function \e after removing data from the model's underlying data
+    store.
+
+    \sa beginRemoveRows()
+*/
+void QAbstractItemModel::endRemoveRows()
+{
+    Q_D(QAbstractItemModel);
+    QAbstractItemModelPrivate::Change change = d->changes.pop();
+    d->rowsRemoved(change.parent, change.first, change.last);
+    emit rowsRemoved(change.parent, change.first, change.last);
+}
+
+/*!
+    Begins a column insertion operation.
+
+    When reimplementing insertColumns() in a subclass, you must call this
+    function \e before inserting data into the model's underlying data
+    store.
+
+    The \a parent index corresponds to the parent into which the new
+    columns are inserted; \a first and \a last are the column numbers of
+    the new columns will have after they have been inserted.
+
+    \table 80%
+    \row \o \inlineimage modelview-begin-insert-columns.png Inserting columns
+    \o Specify the first and last column numbers for the span of columns
+       you want to insert into an item in a model.
+
+    For example, as shown in the diagram, we insert three columns before
+    column 4, so \a first is 4 and \a last is 6:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp 3
+    This inserts the three new columns as columns 4, 5, and 6.
+    \row
+    \o \inlineimage modelview-begin-append-columns.png Appending columns
+    \o To append columns, insert them after the last column.
+
+    For example, as shown in the diagram, we append three columns to a
+    collection of six existing columns (ending in column 5), so \a first
+    is 6 and \a last is 8:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp 4
+    This appends the two new columns as columns 6, 7, and 8.
+    \endtable
+
+    \sa endInsertColumns()
+*/
+void QAbstractItemModel::beginInsertColumns(const QModelIndex &parent, int first, int last)
+{
+    Q_ASSERT(first >= 0);
+    Q_ASSERT(last >= first);
+    Q_D(QAbstractItemModel);
+    d->changes.push(QAbstractItemModelPrivate::Change(parent, first, last));
+    emit columnsAboutToBeInserted(parent, first, last);
+    d->columnsAboutToBeInserted(parent, first, last);
+}
+
+/*!
+    Ends a column insertion operation.
+
+    When reimplementing insertColumns() in a subclass, you must call this
+    function \e after inserting data into the model's underlying data
+    store.
+
+    \sa beginInsertColumns()
+*/
+void QAbstractItemModel::endInsertColumns()
+{
+    Q_D(QAbstractItemModel);
+    QAbstractItemModelPrivate::Change change = d->changes.pop();
+    d->columnsInserted(change.parent, change.first, change.last);
+    emit columnsInserted(change.parent, change.first, change.last);
+}
+
+/*!
+    Begins a column removal operation.
+
+    When reimplementing removeColumns() in a subclass, you must call this
+    function \e before removing data from the model's underlying data
+    store.
+
+    The \a parent index corresponds to the parent from which the new
+    columns are removed; \a first and \a last are the column numbers of
+    the first and last columns to be removed.
+
+    \table 80%
+    \row \o \inlineimage modelview-begin-remove-columns.png Removing columns
+    \o Specify the first and last column numbers for the span of columns
+       you want to remove from an item in a model.
+
+    For example, as shown in the diagram, we remove the three columns
+    from column 4 to column 6, so \a first is 4 and \a last is 6:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp 5
+    \endtable
+
+    \sa endRemoveColumns()
+*/
+void QAbstractItemModel::beginRemoveColumns(const QModelIndex &parent, int first, int last)
+{
+    Q_ASSERT(first >= 0);
+    Q_ASSERT(last >= first);
+    Q_D(QAbstractItemModel);
+    d->changes.push(QAbstractItemModelPrivate::Change(parent, first, last));
+    emit columnsAboutToBeRemoved(parent, first, last);
+    d->columnsAboutToBeRemoved(parent, first, last);
+}
+
+/*!
+    Ends a column removal operation.
+
+    When reimplementing removeColumns() in a subclass, you must call this
+    function \e after removing data from the model's underlying data
+    store.
+
+    \sa beginRemoveColumns()
+*/
+void QAbstractItemModel::endRemoveColumns()
+{
+    Q_D(QAbstractItemModel);
+    QAbstractItemModelPrivate::Change change = d->changes.pop();
+    d->columnsRemoved(change.parent, change.first, change.last);
+    emit columnsRemoved(change.parent, change.first, change.last);
+}
+
+/*!
+    Resets the model to its original state in any attached views.
+
+    \note The view to which the model is attached to will be reset as well.
+
+    When a model is reset it means that any previous data reported from the
+    model is now invalid and has to be queried for again.
+
+    When a model radically changes its data it can sometimes be easier to just
+    call this function rather than emit dataChanged() to inform other
+    components when the underlying data source, or its structure, has changed.
+
+    \sa modelAboutToBeReset(), modelReset()
+*/
+void QAbstractItemModel::reset()
+{
+    Q_D(QAbstractItemModel);
+    emit modelAboutToBeReset();
+    d->invalidatePersistentIndexes();
+    emit modelReset();
+}
+
+/*!
+  Changes the QPersistentModelIndex that is equal to the given \a from
+  model index to the given \a to model index.
+
+  If no persistent model index equal to the given \a from model index was
+  found, nothing is changed.
+
+  \sa persistentIndexList(), changePersistentIndexList()
+*/
+void QAbstractItemModel::changePersistentIndex(const QModelIndex &from, const QModelIndex &to)
+{
+    Q_D(QAbstractItemModel);
+    if (d->persistent.indexes.isEmpty())
+        return;
+    // find the data and reinsert it sorted
+    const QHash<QModelIndex, QPersistentModelIndexData *>::iterator it = d->persistent.indexes.find(from);
+    if (it != d->persistent.indexes.end()) {
+        QPersistentModelIndexData *data = *it;
+        d->persistent.indexes.erase(it);
+        data->index = to;
+        if (to.isValid())
+            d->persistent.insertMultiAtEnd(to, data);
+        else
+            data->model = 0;
+    }
+}
+
+/*!
+  \since 4.1
+
+  Changes the QPersistentModelIndexes that is equal to the indexes in the given \a from
+  model index list to the given \a to model index list.
+
+  If no persistent model indexes equal to the indexes in the given \a from model index list
+  was found, nothing is changed.
+
+  \sa persistentIndexList(), changePersistentIndex()
+*/
+void QAbstractItemModel::changePersistentIndexList(const QModelIndexList &from,
+                                                   const QModelIndexList &to)
+{
+    Q_D(QAbstractItemModel);
+    if (d->persistent.indexes.isEmpty())
+        return;
+    QVector<QPersistentModelIndexData *> toBeReinserted;
+    toBeReinserted.reserve(to.count());
+    for (int i = 0; i < from.count(); ++i) {
+        if (from.at(i) == to.at(i))
+            continue;
+        const QHash<QModelIndex, QPersistentModelIndexData *>::iterator it = d->persistent.indexes.find(from.at(i));
+        if (it != d->persistent.indexes.end()) {
+            QPersistentModelIndexData *data = *it;
+            d->persistent.indexes.erase(it);
+            data->index = to.at(i);
+            if (data->index.isValid())
+                toBeReinserted << data;
+            else
+                data->model = 0;
+        }
+    }
+
+    for (QVector<QPersistentModelIndexData *>::const_iterator it = toBeReinserted.constBegin();
+         it != toBeReinserted.constEnd() ; ++it) {
+        QPersistentModelIndexData *data = *it;
+        d->persistent.insertMultiAtEnd(data->index, data);
+    }
+}
+
+/*!
+  \since 4.2
+
+  Returns the list of indexes stored as persistent indexes in the model.
+*/
+QModelIndexList QAbstractItemModel::persistentIndexList() const
+{
+    Q_D(const QAbstractItemModel);
+    QModelIndexList result;
+    for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = d->persistent.indexes.constBegin();
+         it != d->persistent.indexes.constEnd(); ++it) {
+        QPersistentModelIndexData *data = *it;
+        result.append(data->index);
+    }
+    return result;
+}
+
+
+/*!
+    \class QAbstractTableModel
+    \brief The QAbstractTableModel class provides an abstract model that can be
+    subclassed to create table models.
+
+    \ingroup model-view
+
+    QAbstractTableModel provides a standard interface for models that represent
+    their data as a two-dimensional array of items. It is not used directly,
+    but must be subclassed.
+
+    Since the model provides a more specialized interface than
+    QAbstractItemModel, it is not suitable for use with tree views, although
+    it can be used to provide data to a QListView. If you need to represent
+    a simple list of items, and only need a model to contain a single column
+    of data, subclassing the QAbstractListModel may be more appropriate.
+
+    The rowCount() and columnCount() functions return the dimensions of the
+    table. To retrieve a model index corresponding to an item in the model, use
+    index() and provide only the row and column numbers.
+
+    \section1 Subclassing
+
+    \bold{Note:} Some general guidelines for subclassing models are
+    available in the \l{Model Subclassing Reference}.
+
+    When subclassing QAbstractTableModel, you must implement rowCount(),
+    columnCount(), and data(). Default implementations of the index() and
+    parent() functions are provided by QAbstractTableModel.
+    Well behaved models will also implement headerData().
+
+    Editable models need to implement setData(), and implement flags() to
+    return a value containing
+    \l{Qt::ItemFlags}{Qt::ItemIsEditable}.
+
+    Models that provide interfaces to resizable data structures can
+    provide implementations of insertRows(), removeRows(), insertColumns(),
+    and removeColumns(). When implementing these functions, it is
+    important to call the appropriate functions so that all connected views
+    are aware of any changes:
+
+    \list
+    \o An insertRows() implementation must call beginInsertRows()
+       \e before inserting new rows into the data structure, and it must
+       call endInsertRows() \e{immediately afterwards}.
+    \o An insertColumns() implementation must call beginInsertColumns()
+       \e before inserting new columns into the data structure, and it must
+       call endInsertColumns() \e{immediately afterwards}.
+    \o A removeRows() implementation must call beginRemoveRows()
+       \e before the rows are removed from the data structure, and it must
+       call endRemoveRows() \e{immediately afterwards}.
+    \o A removeColumns() implementation must call beginRemoveColumns()
+       \e before the columns are removed from the data structure, and it must
+       call endRemoveColumns() \e{immediately afterwards}.
+    \endlist
+
+    \sa {Model Classes}, {Model Subclassing Reference}, QAbstractItemModel,
+        QAbstractListModel,
+        {Pixelator Example}
+*/
+
+/*!
+    Constructs an abstract table model for the given \a parent.
+*/
+
+QAbstractTableModel::QAbstractTableModel(QObject *parent)
+    : QAbstractItemModel(parent)
+{
+
+}
+
+/*!
+    \internal
+
+    Constructs an abstract table model with \a dd and the given \a parent.
+*/
+
+QAbstractTableModel::QAbstractTableModel(QAbstractItemModelPrivate &dd, QObject *parent)
+    : QAbstractItemModel(dd, parent)
+{
+
+}
+
+/*!
+    Destroys the abstract table model.
+*/
+
+QAbstractTableModel::~QAbstractTableModel()
+{
+
+}
+
+/*!
+    \fn QModelIndex QAbstractTableModel::index(int row, int column, const QModelIndex &parent = QModelIndex()) const
+
+    Returns the index of the data in \a row and \a column with \a parent.
+
+    \sa parent()
+*/
+
+QModelIndex QAbstractTableModel::index(int row, int column, const QModelIndex &parent) const
+{
+    return hasIndex(row, column, parent) ? createIndex(row, column, 0) : QModelIndex();
+}
+
+/*!
+    \fn QModelIndex QAbstractTableModel::parent(const QModelIndex &index) const
+
+    Returns the parent of the model item with the given \a index.
+
+    \sa index() hasChildren()
+*/
+
+QModelIndex QAbstractTableModel::parent(const QModelIndex &) const
+{
+    return QModelIndex();
+}
+
+bool QAbstractTableModel::hasChildren(const QModelIndex &parent) const
+{
+    if (parent.model() == this || !parent.isValid())
+        return rowCount(parent) > 0 && columnCount(parent) > 0;
+    return false;
+}
+
+/*!
+    \class QAbstractListModel
+    \brief The QAbstractListModel class provides an abstract model that can be
+    subclassed to create one-dimensional list models.
+
+    \ingroup model-view
+
+    QAbstractListModel provides a standard interface for models that represent
+    their data as a simple non-hierarchical sequence of items. It is not used
+    directly, but must be subclassed.
+
+    Since the model provides a more specialized interface than
+    QAbstractItemModel, it is not suitable for use with tree views; you will
+    need to subclass QAbstractItemModel if you want to provide a model for
+    that purpose. If you need to use a number of list models to manage data,
+    it may be more appropriate to subclass QAbstractTableModel class instead.
+
+    Simple models can be created by subclassing this class and implementing
+    the minimum number of required functions. For example, we could implement
+    a simple read-only QStringList-based model that provides a list of strings
+    to a QListView widget. In such a case, we only need to implement the
+    rowCount() function to return the number of items in the list, and the
+    data() function to retrieve items from the list.
+
+    Since the model represents a one-dimensional structure, the rowCount()
+    function returns the total number of items in the model. The columnCount()
+    function is implemented for interoperability with all kinds of views, but
+    by default informs views that the model contains only one column.
+
+    \section1 Subclassing
+
+    \bold{Note:} Some general guidelines for subclassing models are
+    available in the \l{Model Subclassing Reference}.
+
+    When subclassing QAbstractListModel, you must provide implementations
+    of the rowCount() and data() functions. Well behaved models also provide
+    a headerData() implementation.
+
+    For editable list models, you must also provide an implementation of
+    setData(), implement the flags() function so that it returns a value
+    containing \l{Qt::ItemFlags}{Qt::ItemIsEditable}.
+
+    Note that QAbstractListModel provides a default implementation of
+    columnCount() that informs views that there is only a single column
+    of items in this model.
+
+    Models that provide interfaces to resizable list-like data structures
+    can provide implementations of insertRows() and removeRows(). When
+    implementing these functions, it is important to call the appropriate
+    functions so that all connected views are aware of any changes:
+
+    \list
+    \o An insertRows() implementation must call beginInsertRows()
+       \e before inserting new rows into the data structure, and it must
+       call endInsertRows() \e{immediately afterwards}.
+    \o A removeRows() implementation must call beginRemoveRows()
+       \e before the rows are removed from the data structure, and it must
+       call endRemoveRows() \e{immediately afterwards}.
+    \endlist
+
+    \sa {Model Classes}, {Model Subclassing Reference}, QAbstractItemView,
+        QAbstractTableModel, {Item Views Puzzle Example}
+*/
+
+/*!
+    Constructs an abstract list model with the given \a parent.
+*/
+
+QAbstractListModel::QAbstractListModel(QObject *parent)
+    : QAbstractItemModel(parent)
+{
+
+}
+
+/*!
+    \internal
+
+    Constructs an abstract list model with \a dd and the given \a parent.
+*/
+
+QAbstractListModel::QAbstractListModel(QAbstractItemModelPrivate &dd, QObject *parent)
+    : QAbstractItemModel(dd, parent)
+{
+
+}
+
+/*!
+    Destroys the abstract list model.
+*/
+
+QAbstractListModel::~QAbstractListModel()
+{
+
+}
+
+/*!
+    \fn QModelIndex QAbstractListModel::index(int row, int column, const QModelIndex &parent = QModelIndex()) const
+
+    Returns the index of the data in \a row and \a column with \a parent.
+
+    \sa parent()
+*/
+
+QModelIndex QAbstractListModel::index(int row, int column, const QModelIndex &parent) const
+{
+    return hasIndex(row, column, parent) ? createIndex(row, column, 0) : QModelIndex();
+}
+
+/*!
+    Returns the parent of the model item with the given \a index.
+
+    \sa index() hasChildren()
+*/
+
+QModelIndex QAbstractListModel::parent(const QModelIndex & /* index */) const
+{
+    return QModelIndex();
+}
+
+/*!
+    \internal
+
+    Returns the number of columns in the list with the given \a parent.
+
+    \sa rowCount()
+*/
+
+int QAbstractListModel::columnCount(const QModelIndex &parent) const
+{
+    return parent.isValid() ? 0 : 1;
+}
+
+bool QAbstractListModel::hasChildren(const QModelIndex &parent) const
+{
+    return parent.isValid() ? false : (rowCount() > 0);
+}
+
+/*!
+    \typedef QModelIndexList
+    \relates QModelIndex
+
+    Synonym for QList<QModelIndex>.
+*/
+
+/*!
+  \reimp
+*/
+bool QAbstractTableModel::dropMimeData(const QMimeData *data, Qt::DropAction action,
+                                       int row, int column, const QModelIndex &parent)
+{
+    if (!data || !(action == Qt::CopyAction || action == Qt::MoveAction))
+        return false;
+
+    QStringList types = mimeTypes();
+    if (types.isEmpty())
+        return false;
+    QString format = types.at(0);
+    if (!data->hasFormat(format))
+        return false;
+
+    QByteArray encoded = data->data(format);
+    QDataStream stream(&encoded, QIODevice::ReadOnly);
+
+    // if the drop is on an item, replace the data in the items
+    if (parent.isValid() && row == -1 && column == -1) {
+        int top = INT_MAX;
+        int left = INT_MAX;
+        QVector<int> rows, columns;
+        QVector<QMap<int, QVariant> > data;
+
+        while (!stream.atEnd()) {
+            int r, c;
+            QMap<int, QVariant> v;
+            stream >> r >> c >> v;
+            rows.append(r);
+            columns.append(c);
+            data.append(v);
+            top = qMin(r, top);
+            left = qMin(c, left);
+        }
+
+        for (int i = 0; i < data.size(); ++i) {
+            int r = (rows.at(i) - top) + parent.row();
+            int c = (columns.at(i) - left) + parent.column();
+            if (hasIndex(r, c))
+                setItemData(index(r, c), data.at(i));
+        }
+
+        return true;
+    }
+
+    // otherwise insert new rows for the data
+    return decodeData(row, column, parent, stream);
+}
+
+/*!
+  \reimp
+*/
+bool QAbstractListModel::dropMimeData(const QMimeData *data, Qt::DropAction action,
+                                      int row, int column, const QModelIndex &parent)
+{
+    if (!data || !(action == Qt::CopyAction || action == Qt::MoveAction))
+        return false;
+
+    QStringList types = mimeTypes();
+    if (types.isEmpty())
+        return false;
+    QString format = types.at(0);
+    if (!data->hasFormat(format))
+        return false;
+
+    QByteArray encoded = data->data(format);
+    QDataStream stream(&encoded, QIODevice::ReadOnly);
+
+    // if the drop is on an item, replace the data in the items
+    if (parent.isValid() && row == -1 && column == -1) {
+        int top = INT_MAX;
+        int left = INT_MAX;
+        QVector<int> rows, columns;
+        QVector<QMap<int, QVariant> > data;
+
+        while (!stream.atEnd()) {
+            int r, c;
+            QMap<int, QVariant> v;
+            stream >> r >> c >> v;
+            rows.append(r);
+            columns.append(c);
+            data.append(v);
+            top = qMin(r, top);
+            left = qMin(c, left);
+        }
+
+        for (int i = 0; i < data.size(); ++i) {
+            int r = (rows.at(i) - top) + parent.row();
+            if (columns.at(i) == left && hasIndex(r, 0))
+                setItemData(index(r), data.at(i));
+        }
+
+        return true;
+    }
+
+    if (row == -1)
+        row = rowCount(parent);
+
+    // otherwise insert new rows for the data
+    return decodeData(row, column, parent, stream);
+}
+
+/*!
+    \fn QAbstractItemModel::modelAboutToBeReset()
+    \since 4.2
+
+    This signal is emitted when reset() is called, before the model's internal
+    state (e.g. persistent model indexes) has been invalidated.
+
+    \sa reset(), modelReset()
+*/
+
+/*!
+    \fn QAbstractItemModel::modelReset()
+    \since 4.1
+
+    This signal is emitted when reset() is called, after the model's internal
+    state (e.g. persistent model indexes) has been invalidated.
+
+    \sa reset(), modelAboutToBeReset()
+*/
+
+/*!
+    \fn bool QModelIndex::operator<(const QModelIndex &other) const
+    \since 4.1
+
+    Returns true if this model index is smaller than the \a other
+    model index; otherwise returns false.
+*/
+
+/*!
+    \fn uint qHash(const QPersistentModelIndex &index)
+    \since 4.5
+
+    Returns a hash of the QPersistentModelIndex
+ */
+
+
+/*!
+    \internal
+    QHash::insertMulti insert the value before the old value. and find() return the new value.
+    We need insertMultiAtEnd because we don't want to overwrite the old one, which should be removed later
+
+    There should be only one instance QPersistentModelIndexData per index, but in some intermediate state there may be
+    severals of PersistantModelIndex pointing to the same index, but one is already updated, and the other one is not.
+    This make sure than when updating the first one we don't overwrite the second one in the hash, and the second one
+    will be updated right later.
+ */
+void QAbstractItemModelPrivate::Persistent::insertMultiAtEnd(const QModelIndex& key, QPersistentModelIndexData *data)
+{
+    QHash<QModelIndex,QPersistentModelIndexData *>::iterator newIt =
+            indexes.insertMulti(key, data);
+    QHash<QModelIndex,QPersistentModelIndexData *>::iterator it = newIt + 1;
+    while (it != indexes.end() && it.key() == key) {
+        qSwap(*newIt,*it);
+        newIt = it;
+        ++it;
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qabstractitemmodel.h b/src/corelib/kernel/qabstractitemmodel.h
new file mode 100644
index 0000000000..b062768ef0
--- /dev/null
+++ b/src/corelib/kernel/qabstractitemmodel.h
@@ -0,0 +1,390 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTITEMMODEL_H
+#define QABSTRACTITEMMODEL_H
+
+#include <QtCore/qvariant.h>
+#include <QtCore/qobject.h>
+#include <QtCore/qhash.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QAbstractItemModel;
+class QPersistentModelIndex;
+
+class Q_CORE_EXPORT QModelIndex
+{
+    friend class QAbstractItemModel;
+    friend class QProxyModel;
+public:
+    inline QModelIndex() : r(-1), c(-1), p(0), m(0) {}
+    inline QModelIndex(const QModelIndex &other)
+        : r(other.r), c(other.c), p(other.p), m(other.m) {}
+    inline ~QModelIndex() { p = 0; m = 0; }
+    inline int row() const { return r; }
+    inline int column() const { return c; }
+    inline void *internalPointer() const { return p; }
+    inline qint64 internalId() const { return reinterpret_cast<qint64>(p); }
+    inline QModelIndex parent() const;
+    inline QModelIndex sibling(int row, int column) const;
+    inline QModelIndex child(int row, int column) const;
+    inline QVariant data(int role = Qt::DisplayRole) const;
+    inline Qt::ItemFlags flags() const;
+    inline const QAbstractItemModel *model() const { return m; }
+    inline bool isValid() const { return (r >= 0) && (c >= 0) && (m != 0); }
+    inline bool operator==(const QModelIndex &other) const
+        { return (other.r == r) && (other.p == p) && (other.c == c) && (other.m == m); }
+    inline bool operator!=(const QModelIndex &other) const
+        { return !(*this == other); }
+    inline bool operator<(const QModelIndex &other) const
+        {
+          if (r < other.r) return true;
+          if (r == other.r) {
+              if (c < other.c) return true;
+              if (c == other.c) {
+                  if (p < other.p) return true;
+                  if (p == other.p) return m < other.m;
+              }
+          }
+          return false; }
+private:
+    inline QModelIndex(int row, int column, void *ptr, const QAbstractItemModel *model);
+    int r, c;
+    void *p;
+    const QAbstractItemModel *m;
+};
+Q_DECLARE_TYPEINFO(QModelIndex, Q_MOVABLE_TYPE);
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QModelIndex &);
+#endif
+
+class QPersistentModelIndexData;
+
+class Q_CORE_EXPORT QPersistentModelIndex
+{
+public:
+    QPersistentModelIndex();
+    QPersistentModelIndex(const QModelIndex &index);
+    QPersistentModelIndex(const QPersistentModelIndex &other);
+    ~QPersistentModelIndex();
+    bool operator<(const QPersistentModelIndex &other) const;
+    bool operator==(const QPersistentModelIndex &other) const;
+    inline bool operator!=(const QPersistentModelIndex &other) const
+    { return !operator==(other); }
+    QPersistentModelIndex &operator=(const QPersistentModelIndex &other);
+    bool operator==(const QModelIndex &other) const;
+    bool operator!=(const QModelIndex &other) const;
+    QPersistentModelIndex &operator=(const QModelIndex &other);
+    operator const QModelIndex&() const;
+    int row() const;
+    int column() const;
+    void *internalPointer() const;
+    qint64 internalId() const;
+    QModelIndex parent() const;
+    QModelIndex sibling(int row, int column) const;
+    QModelIndex child(int row, int column) const;
+    QVariant data(int role = Qt::DisplayRole) const;
+    Qt::ItemFlags flags() const;
+    const QAbstractItemModel *model() const;
+    bool isValid() const;
+private:
+    QPersistentModelIndexData *d;
+    friend uint qHash(const QPersistentModelIndex &);
+#ifndef QT_NO_DEBUG_STREAM
+    friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QPersistentModelIndex &);
+#endif
+};
+Q_DECLARE_TYPEINFO(QPersistentModelIndex, Q_MOVABLE_TYPE);
+
+inline uint qHash(const QPersistentModelIndex &index)
+{ return qHash(index.d); }
+
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QPersistentModelIndex &);
+#endif
+
+template<typename T> class QList;
+typedef QList<QModelIndex> QModelIndexList;
+
+class QMimeData;
+class QAbstractItemModelPrivate;
+template <class Key, class T> class QMap;
+
+
+class Q_CORE_EXPORT QAbstractItemModel : public QObject
+{
+    Q_OBJECT
+
+    friend class QPersistentModelIndexData;
+    friend class QAbstractItemViewPrivate;
+public:
+
+    explicit QAbstractItemModel(QObject *parent = 0);
+    virtual ~QAbstractItemModel();
+
+    bool hasIndex(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+    virtual QModelIndex index(int row, int column,
+                              const QModelIndex &parent = QModelIndex()) const = 0;
+    virtual QModelIndex parent(const QModelIndex &child) const = 0;
+
+    inline QModelIndex sibling(int row, int column, const QModelIndex &idx) const
+        { return index(row, column, parent(idx)); }
+
+    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const = 0;
+    virtual int columnCount(const QModelIndex &parent = QModelIndex()) const = 0;
+    virtual bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
+
+    virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const = 0;
+    virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
+
+    virtual QVariant headerData(int section, Qt::Orientation orientation,
+                                int role = Qt::DisplayRole) const;
+    virtual bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value,
+                               int role = Qt::EditRole);
+
+    virtual QMap<int, QVariant> itemData(const QModelIndex &index) const;
+    virtual bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles);
+
+    virtual QStringList mimeTypes() const;
+    virtual QMimeData *mimeData(const QModelIndexList &indexes) const;
+    virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action,
+                              int row, int column, const QModelIndex &parent);
+    virtual Qt::DropActions supportedDropActions() const;
+
+    Qt::DropActions supportedDragActions() const;
+    void setSupportedDragActions(Qt::DropActions);
+
+    virtual bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex());
+    virtual bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex());
+    virtual bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+    virtual bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex());
+
+    inline bool insertRow(int row, const QModelIndex &parent = QModelIndex());
+    inline bool insertColumn(int column, const QModelIndex &parent = QModelIndex());
+    inline bool removeRow(int row, const QModelIndex &parent = QModelIndex());
+    inline bool removeColumn(int column, const QModelIndex &parent = QModelIndex());
+
+    virtual void fetchMore(const QModelIndex &parent);
+    virtual bool canFetchMore(const QModelIndex &parent) const;
+    virtual Qt::ItemFlags flags(const QModelIndex &index) const;
+    virtual void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
+    virtual QModelIndex buddy(const QModelIndex &index) const;
+    virtual QModelIndexList match(const QModelIndex &start, int role,
+                                  const QVariant &value, int hits = 1,
+                                  Qt::MatchFlags flags =
+                                  Qt::MatchFlags(Qt::MatchStartsWith|Qt::MatchWrap)) const;
+    virtual QSize span(const QModelIndex &index) const;
+
+#ifdef Q_NO_USING_KEYWORD
+    inline QObject *parent() const { return QObject::parent(); }
+#else
+    using QObject::parent;
+#endif
+
+Q_SIGNALS:
+    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
+    void headerDataChanged(Qt::Orientation orientation, int first, int last);
+    void layoutChanged();
+    void layoutAboutToBeChanged();
+
+#if !defined(Q_MOC_RUN) && !defined(qdoc)
+private: // can only be emitted by QAbstractItemModel
+#endif
+    void rowsAboutToBeInserted(const QModelIndex &parent, int first, int last);
+    void rowsInserted(const QModelIndex &parent, int first, int last);
+
+    void rowsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
+    void rowsRemoved(const QModelIndex &parent, int first, int last);
+
+    void columnsAboutToBeInserted(const QModelIndex &parent, int first, int last);
+    void columnsInserted(const QModelIndex &parent, int first, int last);
+
+    void columnsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
+    void columnsRemoved(const QModelIndex &parent, int first, int last);
+
+    void modelAboutToBeReset();
+    void modelReset();
+
+public Q_SLOTS:
+    virtual bool submit();
+    virtual void revert();
+
+protected:
+    QAbstractItemModel(QAbstractItemModelPrivate &dd, QObject *parent = 0);
+
+    inline QModelIndex createIndex(int row, int column, void *data = 0) const;
+    inline QModelIndex createIndex(int row, int column, int id) const;
+    inline QModelIndex createIndex(int row, int column, quint32 id) const;
+
+    void encodeData(const QModelIndexList &indexes, QDataStream &stream) const;
+    bool decodeData(int row, int column, const QModelIndex &parent, QDataStream &stream);
+
+    void beginInsertRows(const QModelIndex &parent, int first, int last);
+    void endInsertRows();
+
+    void beginRemoveRows(const QModelIndex &parent, int first, int last);
+    void endRemoveRows();
+
+    void beginInsertColumns(const QModelIndex &parent, int first, int last);
+    void endInsertColumns();
+
+    void beginRemoveColumns(const QModelIndex &parent, int first, int last);
+    void endRemoveColumns();
+
+    void reset();
+
+    void changePersistentIndex(const QModelIndex &from, const QModelIndex &to);
+    void changePersistentIndexList(const QModelIndexList &from, const QModelIndexList &to);
+    QModelIndexList persistentIndexList() const;
+
+private:
+    Q_DECLARE_PRIVATE(QAbstractItemModel)
+    Q_DISABLE_COPY(QAbstractItemModel)
+};
+
+inline bool QAbstractItemModel::insertRow(int arow, const QModelIndex &aparent)
+{ return insertRows(arow, 1, aparent); }
+inline bool QAbstractItemModel::insertColumn(int acolumn, const QModelIndex &aparent)
+{ return insertColumns(acolumn, 1, aparent); }
+inline bool QAbstractItemModel::removeRow(int arow, const QModelIndex &aparent)
+{ return removeRows(arow, 1, aparent); }
+inline bool QAbstractItemModel::removeColumn(int acolumn, const QModelIndex &aparent)
+{ return removeColumns(acolumn, 1, aparent); }
+
+inline QModelIndex QAbstractItemModel::createIndex(int arow, int acolumn, void *adata) const
+{ return QModelIndex(arow, acolumn, adata, this); }
+inline QModelIndex QAbstractItemModel::createIndex(int arow, int acolumn, int aid) const
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4312 ) // avoid conversion warning on 64-bit
+#endif
+{ return QModelIndex(arow, acolumn, reinterpret_cast<void*>(aid), this); }
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+inline QModelIndex QAbstractItemModel::createIndex(int arow, int acolumn, quint32 aid) const
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4312 ) // avoid conversion warning on 64-bit
+#endif
+{ return QModelIndex(arow, acolumn, reinterpret_cast<void*>(aid), this); }
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+
+
+class Q_CORE_EXPORT QAbstractTableModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    explicit QAbstractTableModel(QObject *parent = 0);
+    ~QAbstractTableModel();
+
+    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+    bool dropMimeData(const QMimeData *data, Qt::DropAction action,
+                      int row, int column, const QModelIndex &parent);
+protected:
+    QAbstractTableModel(QAbstractItemModelPrivate &dd, QObject *parent);
+
+private:
+    Q_DISABLE_COPY(QAbstractTableModel)
+    QModelIndex parent(const QModelIndex &child) const;
+    bool hasChildren(const QModelIndex &parent) const;
+};
+
+class Q_CORE_EXPORT QAbstractListModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    explicit QAbstractListModel(QObject *parent = 0);
+    ~QAbstractListModel();
+
+    QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;
+    bool dropMimeData(const QMimeData *data, Qt::DropAction action,
+                      int row, int column, const QModelIndex &parent);
+protected:
+    QAbstractListModel(QAbstractItemModelPrivate &dd, QObject *parent);
+
+private:
+    Q_DISABLE_COPY(QAbstractListModel)
+    QModelIndex parent(const QModelIndex &child) const;
+    int columnCount(const QModelIndex &parent) const;
+    bool hasChildren(const QModelIndex &parent) const;
+};
+
+// inline implementations
+
+inline QModelIndex::QModelIndex(int arow, int acolumn, void *adata,
+                                const QAbstractItemModel *amodel)
+    : r(arow), c(acolumn), p(adata), m(amodel) {}
+
+inline QModelIndex QModelIndex::parent() const
+{ return m ? m->parent(*this) : QModelIndex(); }
+
+inline QModelIndex QModelIndex::sibling(int arow, int acolumn) const
+{ return m ? (r == arow && c == acolumn) ? *this : m->index(arow, acolumn, m->parent(*this)) : QModelIndex(); }
+
+inline QModelIndex QModelIndex::child(int arow, int acolumn) const
+{ return m ? m->index(arow, acolumn, *this) : QModelIndex(); }
+
+inline QVariant QModelIndex::data(int arole) const
+{ return m ? m->data(*this, arole) : QVariant(); }
+
+inline Qt::ItemFlags QModelIndex::flags() const
+{ return m ? m->flags(*this) : Qt::ItemFlags(0); }
+
+inline uint qHash(const QModelIndex &index)
+{ return uint((index.row() << 4) + index.column() + index.internalId()); }
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QABSTRACTITEMMODEL_H
diff --git a/src/corelib/kernel/qabstractitemmodel_p.h b/src/corelib/kernel/qabstractitemmodel_p.h
new file mode 100644
index 0000000000..df1a6cefca
--- /dev/null
+++ b/src/corelib/kernel/qabstractitemmodel_p.h
@@ -0,0 +1,150 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTITEMMODEL_P_H
+#define QABSTRACTITEMMODEL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of QAbstractItemModel*.  This header file may change from version
+// to version without notice, or even be removed.
+//
+// We mean it.
+//
+//
+
+#include "private/qobject_p.h"
+#include "QtCore/qstack.h"
+#include "QtCore/qset.h"
+#include "QtCore/qhash.h"
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QPersistentModelIndexData
+{
+public:
+    QPersistentModelIndexData() : model(0) {}
+    QPersistentModelIndexData(const QModelIndex &idx) : index(idx), model(idx.model()) {}
+    QModelIndex index;
+    QAtomicInt ref;
+    const QAbstractItemModel *model;
+    static QPersistentModelIndexData *create(const QModelIndex &index);
+    static void destroy(QPersistentModelIndexData *data);
+};
+
+class Q_CORE_EXPORT QAbstractItemModelPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QAbstractItemModel)
+
+public:
+    QAbstractItemModelPrivate() : QObjectPrivate(), supportedDragActions(-1) {}
+    void removePersistentIndexData(QPersistentModelIndexData *data);
+    void rowsAboutToBeInserted(const QModelIndex &parent, int first, int last);
+    void rowsInserted(const QModelIndex &parent, int first, int last);
+    void rowsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
+    void rowsRemoved(const QModelIndex &parent, int first, int last);
+    void columnsAboutToBeInserted(const QModelIndex &parent, int first, int last);
+    void columnsInserted(const QModelIndex &parent, int first, int last);
+    void columnsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
+    void columnsRemoved(const QModelIndex &parent, int first, int last);
+    static QAbstractItemModel *staticEmptyModel();
+
+    inline QModelIndex createIndex(int row, int column, void *data = 0) const {
+        return q_func()->createIndex(row, column, data);
+    }
+
+    inline QModelIndex createIndex(int row, int column, int id) const {
+        return q_func()->createIndex(row, column, id);
+    }
+
+    inline bool indexValid(const QModelIndex &index) const {
+         return (index.row() >= 0) && (index.column() >= 0) && (index.model() == q_func());
+    }
+
+    inline void invalidatePersistentIndexes() {
+        foreach (QPersistentModelIndexData *data, persistent.indexes) {
+            data->index = QModelIndex();
+            data->model = 0;
+        }
+        persistent.indexes.clear();
+    }
+
+    /*!
+      \internal
+      clean the QPersistentModelIndex relative to the index if there is one.
+      To be used before an index is invalided
+      */
+    inline void invalidatePersistentIndex(const QModelIndex &index) {
+        QHash<QModelIndex, QPersistentModelIndexData *>::iterator it = persistent.indexes.find(index);
+        if(it != persistent.indexes.end()) {
+            QPersistentModelIndexData *data = *it;
+            persistent.indexes.erase(it);
+            data->index = QModelIndex();
+            data->model = 0;
+        }
+    }
+
+    struct Change {
+        Change() : first(-1), last(-1) {}
+        Change(const Change &c) : parent(c.parent), first(c.first), last(c.last) {}
+        Change(const QModelIndex &p, int f, int l) : parent(p), first(f), last(l) {}
+        QModelIndex parent;
+        int first, last;
+    };
+    QStack<Change> changes;
+
+    struct Persistent {
+        Persistent() {}
+        QHash<QModelIndex, QPersistentModelIndexData *> indexes;
+        QStack<QVector<QPersistentModelIndexData *> > moved;
+        QStack<QVector<QPersistentModelIndexData *> > invalidated;
+        void insertMultiAtEnd(const QModelIndex& key, QPersistentModelIndexData *data);
+    } persistent;
+
+    Qt::DropActions supportedDragActions;
+};
+
+QT_END_NAMESPACE
+
+#endif // QABSTRACTITEMMODEL_P_H
diff --git a/src/corelib/kernel/qbasictimer.cpp b/src/corelib/kernel/qbasictimer.cpp
new file mode 100644
index 0000000000..40a12c146a
--- /dev/null
+++ b/src/corelib/kernel/qbasictimer.cpp
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbasictimer.h"
+#include "qcoreapplication.h"
+#include "qabstracteventdispatcher.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QBasicTimer
+    \brief The QBasicTimer class provides timer events for objects.
+
+    \ingroup time
+    \ingroup events
+
+    This is a fast, lightweight, and low-level class used by Qt
+    internally. We recommend using the higher-level QTimer class
+    rather than this class if you want to use timers in your
+    applications.
+
+    To use this class, create a QBasicTimer, and call its start()
+    function with a timeout interval and with a pointer to a QObject
+    subclass. When the timer times out it will send a timer event to
+    the QObject subclass. The timer can be stopped at any time using
+    stop(). isActive() returns true for a timer that is running;
+    i.e. it has been started, has not reached the timeout time, and
+    has not been stopped. The timer's ID can be retrieved using
+    timerId().
+
+    The \l{widgets/wiggly}{Wiggly} example uses QBasicTimer to repaint
+    a widget at regular intervals.
+
+    \sa QTimer, QTimerEvent, QObject::timerEvent(), Timers, {Wiggly Example}
+*/
+
+
+/*!
+    \fn QBasicTimer::QBasicTimer()
+
+    Contructs a basic timer.
+
+    \sa start()
+*/
+/*!
+    \fn QBasicTimer::~QBasicTimer()
+
+    Destroys the basic timer.
+*/
+
+/*!
+    \fn bool QBasicTimer::isActive() const
+
+    Returns true if the timer is running, has not yet timed
+    out, and has not been stopped; otherwise returns false.
+
+    \sa start() stop()
+*/
+
+/*!
+    \fn int QBasicTimer::timerId() const
+
+    Returns the timer's ID.
+
+    \sa QTimerEvent::timerId()
+*/
+
+/*!
+    \fn void QBasicTimer::start(int msec, QObject *object)
+
+    Starts (or restarts) the timer with a \a msec milliseconds
+    timeout.
+
+    The given \a object will receive timer events.
+
+    \sa stop() isActive() QObject::timerEvent()
+ */
+void QBasicTimer::start(int msec, QObject *obj)
+{
+   stop();
+   if (obj)
+       id = obj->startTimer(msec);
+}
+
+/*!
+    Stops the timer.
+
+    \sa start() isActive()
+*/
+void QBasicTimer::stop()
+{
+    if (id) {
+        QAbstractEventDispatcher *eventDispatcher = QAbstractEventDispatcher::instance();
+        if (eventDispatcher)
+            eventDispatcher->unregisterTimer(id);
+    }
+    id = 0;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qbasictimer.h b/src/corelib/kernel/qbasictimer.h
new file mode 100644
index 0000000000..1146b6219e
--- /dev/null
+++ b/src/corelib/kernel/qbasictimer.h
@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBASICTIMER_H
+#define QBASICTIMER_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QObject;
+
+class Q_CORE_EXPORT QBasicTimer
+{
+    int id;
+public:
+    inline QBasicTimer() : id(0) {}
+    inline ~QBasicTimer() { if (id) stop(); }
+
+    inline bool isActive() const { return id != 0; }
+    inline int timerId() const { return id; }
+
+    void start(int msec, QObject *obj);
+    void stop();
+};
+Q_DECLARE_TYPEINFO(QBasicTimer, Q_MOVABLE_TYPE);
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBASICTIMER_H
diff --git a/src/corelib/kernel/qcore_mac.cpp b/src/corelib/kernel/qcore_mac.cpp
new file mode 100644
index 0000000000..1681b09b10
--- /dev/null
+++ b/src/corelib/kernel/qcore_mac.cpp
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <private/qcore_mac_p.h>
+#include <new>
+#include "qvarlengtharray.h"
+
+QT_BEGIN_NAMESPACE
+
+QString QCFString::toQString(CFStringRef str)
+{
+    if(!str)
+        return QString();
+    CFIndex length = CFStringGetLength(str);
+    const UniChar *chars = CFStringGetCharactersPtr(str);
+    if (chars)
+        return QString(reinterpret_cast<const QChar *>(chars), length);
+
+    QVarLengthArray<UniChar> buffer(length);
+    CFStringGetCharacters(str, CFRangeMake(0, length), buffer.data());
+    return QString(reinterpret_cast<const QChar *>(buffer.constData()), length);
+}
+
+QCFString::operator QString() const
+{
+    if (string.isEmpty() && type)
+        const_cast<QCFString*>(this)->string = toQString(type);
+    return string;
+}
+
+CFStringRef QCFString::toCFStringRef(const QString &string)
+{
+    return CFStringCreateWithCharacters(0, reinterpret_cast<const UniChar *>(string.unicode()),
+                                        string.length());
+}
+
+QCFString::operator CFStringRef() const
+{
+    if (!type)
+        const_cast<QCFString*>(this)->type = toCFStringRef(string);
+    return type;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qcore_mac_p.h b/src/corelib/kernel/qcore_mac_p.h
new file mode 100644
index 0000000000..54c9aaa5af
--- /dev/null
+++ b/src/corelib/kernel/qcore_mac_p.h
@@ -0,0 +1,155 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCORE_MAC_P_H
+#define QCORE_MAC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef __IMAGECAPTURE__
+#  define __IMAGECAPTURE__
+#endif
+
+#undef OLD_DEBUG
+#ifdef DEBUG
+# define OLD_DEBUG DEBUG
+# undef DEBUG
+#endif
+#define DEBUG 0
+#ifdef qDebug
+#  define old_qDebug qDebug
+#  undef qDebug
+#endif
+
+#include <ApplicationServices/ApplicationServices.h>
+
+#undef DEBUG
+#ifdef OLD_DEBUG
+#  define DEBUG OLD_DEBUG
+#  undef OLD_DEBUG
+#endif
+
+#ifdef old_qDebug
+#  undef qDebug
+#  define qDebug QT_NO_QDEBUG_MACRO
+#  undef old_qDebug
+#endif
+
+#include "qstring.h"
+
+QT_BEGIN_NAMESPACE
+
+/*
+    Helper class that automates refernce counting for CFtypes.
+    After constructing the QCFType object, it can be copied like a
+    value-based type.
+
+    Note that you must own the object you are wrapping.
+    This is typically the case if you get the object from a Core
+    Foundation function with the word "Create" or "Copy" in it. If
+    you got the object from a "Get" function, either retain it or use
+    constructFromGet(). One exception to this rule is the
+    HIThemeGet*Shape functions, which in reality are "Copy" functions.
+*/
+template <typename T>
+class Q_CORE_EXPORT QCFType
+{
+public:
+    inline QCFType(const T &t = 0) : type(t) {}
+    inline QCFType(const QCFType &helper) : type(helper.type) { if (type) CFRetain(type); }
+    inline ~QCFType() { if (type) CFRelease(type); }
+    inline operator T() { return type; }
+    inline QCFType operator =(const QCFType &helper)
+    {
+	if (helper.type)
+	    CFRetain(helper.type);
+	CFTypeRef type2 = type;
+	type = helper.type;
+	if (type2)
+	    CFRelease(type2);
+	return *this;
+    }
+    inline T *operator&() { return &type; }
+    static QCFType constructFromGet(const T &t)
+    {
+        CFRetain(t);
+        return QCFType<T>(t);
+    }
+protected:
+    T type;
+};
+
+class Q_CORE_EXPORT QCFString : public QCFType<CFStringRef>
+{
+public:
+    inline QCFString(const QString &str) : QCFType<CFStringRef>(0), string(str) {}
+    inline QCFString(const CFStringRef cfstr = 0) : QCFType<CFStringRef>(cfstr) {}
+    inline QCFString(const QCFType<CFStringRef> &other) : QCFType<CFStringRef>(other) {}
+    operator QString() const;
+    operator CFStringRef() const;
+    static QString toQString(CFStringRef cfstr);
+    static CFStringRef toCFStringRef(const QString &str);
+private:
+    QString string;
+};
+
+QT_END_NAMESPACE
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5)
+#ifndef __LP64__
+	typedef float CGFloat;
+        typedef int NSInteger;
+        typedef unsigned int NSUInteger;
+	#define SRefCon SInt32
+	#define URefCon UInt32
+#endif
+#endif
+
+#endif // QCORE_MAC_P_H
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
new file mode 100644
index 0000000000..b3f9f1ae7d
--- /dev/null
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -0,0 +1,2406 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcoreapplication.h"
+#include "qcoreapplication_p.h"
+
+#include "qabstracteventdispatcher.h"
+#include "qcoreevent.h"
+#include "qeventloop.h"
+#include "qcorecmdlineargs_p.h"
+#include <qdatastream.h>
+#include <qdatetime.h>
+#include <qdebug.h>
+#include <qdir.h>
+#include <qfile.h>
+#include <qfileinfo.h>
+#include <qhash.h>
+#include <private/qprocess_p.h>
+#include <qtextcodec.h>
+#include <qthread.h>
+#include <qthreadpool.h>
+#include <qthreadstorage.h>
+#include <private/qthread_p.h>
+#include <qlibraryinfo.h>
+#include <private/qfactoryloader_p.h>
+
+#ifdef Q_OS_UNIX
+#  if !defined(QT_NO_GLIB)
+#    include "qeventdispatcher_glib_p.h"
+#  endif
+#  include "qeventdispatcher_unix_p.h"
+#endif
+
+#ifdef Q_OS_WIN
+#  include "qeventdispatcher_win_p.h"
+#endif
+
+#ifdef Q_OS_MAC
+#  include "qcore_mac_p.h"
+#endif
+
+#include <stdlib.h>
+
+#ifdef Q_OS_UNIX
+#  include <locale.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#if defined(Q_WS_WIN) || defined(Q_WS_MAC)
+extern QString qAppFileName();
+#endif
+
+#if !defined(Q_OS_WIN)
+#ifdef Q_OS_MAC
+QString QCoreApplicationPrivate::macMenuBarName()
+{
+    QString bundleName;
+    CFTypeRef string = CFBundleGetValueForInfoDictionaryKey(CFBundleGetMainBundle(), CFSTR("CFBundleName"));
+    if (string)
+        bundleName = QCFString::toQString(static_cast<CFStringRef>(string));
+    return bundleName;
+}
+#endif
+QString QCoreApplicationPrivate::appName() const
+{
+    static QString applName;
+#ifdef Q_OS_MAC
+    applName = macMenuBarName();
+#endif
+    if (applName.isEmpty() && argv[0]) {
+        char *p = strrchr(argv[0], '/');
+        applName = QString::fromLocal8Bit(p ? p + 1 : argv[0]);
+    }
+    return applName;
+}
+#endif
+
+bool QCoreApplicationPrivate::checkInstance(const char *function)
+{
+    bool b = (QCoreApplication::self != 0);
+    if (!b)
+        qWarning("QApplication::%s: Please instantiate the QApplication object first", function);
+    return b;
+}
+
+// Support for introspection
+
+QSignalSpyCallbackSet Q_CORE_EXPORT qt_signal_spy_callback_set = { 0, 0, 0, 0 };
+
+void qt_register_signal_spy_callbacks(const QSignalSpyCallbackSet &callback_set)
+{
+    qt_signal_spy_callback_set = callback_set;
+}
+
+extern "C" void Q_CORE_EXPORT qt_startup_hook()
+{
+}
+
+typedef QList<QtCleanUpFunction> QVFuncList;
+Q_GLOBAL_STATIC(QVFuncList, postRList)
+
+void qAddPostRoutine(QtCleanUpFunction p)
+{
+    QVFuncList *list = postRList();
+    if (!list)
+        return;
+    list->prepend(p);
+}
+
+void qRemovePostRoutine(QtCleanUpFunction p)
+{
+    QVFuncList *list = postRList();
+    if (!list)
+        return;
+    list->removeAll(p);
+}
+
+void Q_CORE_EXPORT qt_call_post_routines()
+{
+    QVFuncList *list = postRList();
+    if (!list)
+        return;
+    while (!list->isEmpty())
+        (list->takeFirst())();
+}
+
+
+// app starting up if false
+bool QCoreApplicationPrivate::is_app_running = false;
+ // app closing down if true
+bool QCoreApplicationPrivate::is_app_closing = false;
+// initialized in qcoreapplication and in qtextstream autotest when setlocale is called.
+Q_CORE_EXPORT bool qt_locale_initialized = false;
+
+
+Q_CORE_EXPORT uint qGlobalPostedEventsCount()
+{
+    QThreadData *currentThreadData = QThreadData::current();
+    return currentThreadData->postEventList.size() - currentThreadData->postEventList.startOffset;
+}
+
+
+void qt_set_current_thread_to_main_thread()
+{
+    QCoreApplicationPrivate::theMainThread = QThread::currentThread();
+}
+
+
+
+QCoreApplication *QCoreApplication::self = 0;
+QAbstractEventDispatcher *QCoreApplicationPrivate::eventDispatcher = 0;
+uint QCoreApplicationPrivate::attribs;
+
+#ifdef Q_OS_UNIX
+Qt::HANDLE qt_application_thread_id = 0;
+#endif
+
+struct QCoreApplicationData {
+    QCoreApplicationData() {
+#ifndef QT_NO_LIBRARY
+        app_libpaths = 0;
+#endif
+    }
+    ~QCoreApplicationData() {
+#ifndef QT_NO_LIBRARY
+        delete app_libpaths;
+#endif
+
+        // cleanup the QAdoptedThread created for the main() thread
+       if (QCoreApplicationPrivate::theMainThread) {
+           QThreadData *data = QThreadData::get2(QCoreApplicationPrivate::theMainThread);
+           QCoreApplicationPrivate::theMainThread = 0;
+           data->deref(); // deletes the data and the adopted thread
+       }
+    }
+    QString orgName, orgDomain, application;
+    QString applicationVersion;
+
+#ifndef QT_NO_LIBRARY
+    QStringList *app_libpaths;
+#endif
+
+};
+
+Q_GLOBAL_STATIC(QCoreApplicationData, coreappdata)
+
+QCoreApplicationPrivate::QCoreApplicationPrivate(int &aargc, char **aargv)
+    : QObjectPrivate(), argc(aargc), argv(aargv), application_type(0), eventFilter(0),
+      in_exec(false), aboutToQuitEmitted(false)
+{
+    static const char *const empty = "";
+    if (argc == 0 || argv == 0) {
+        argc = 0;
+        argv = (char **)&empty; // ouch! careful with QCoreApplication::argv()!
+    }
+    QCoreApplicationPrivate::is_app_closing = false;
+
+#ifdef Q_OS_UNIX
+    qt_application_thread_id = QThread::currentThreadId();
+#endif
+
+    // note: this call to QThread::currentThread() may end up setting theMainThread!
+    if (QThread::currentThread() != theMainThread)
+        qWarning("WARNING: QApplication was not created in the main() thread.");
+}
+
+QCoreApplicationPrivate::~QCoreApplicationPrivate()
+{
+#ifndef QT_NO_THREAD
+    void *data = &threadData->tls;
+    QThreadStorageData::finish((void **)data);
+#endif
+
+    // need to clear the state of the mainData, just in case a new QCoreApplication comes along.
+    QMutexLocker locker(&threadData->postEventList.mutex);
+    for (int i = 0; i < threadData->postEventList.size(); ++i) {
+        const QPostEvent &pe = threadData->postEventList.at(i);
+        if (pe.event) {
+            --pe.receiver->d_func()->postedEvents;
+            pe.event->posted = false;
+            delete pe.event;
+        }
+    }
+    threadData->postEventList.clear();
+    threadData->postEventList.recursion = 0;
+    threadData->quitNow = false;
+}
+
+void QCoreApplicationPrivate::createEventDispatcher()
+{
+    Q_Q(QCoreApplication);
+#if defined(Q_OS_UNIX)
+#  if !defined(QT_NO_GLIB)
+    if (qgetenv("QT_NO_GLIB").isEmpty() && QEventDispatcherGlib::versionSupported())
+        eventDispatcher = new QEventDispatcherGlib(q);
+    else
+#  endif
+        eventDispatcher = new QEventDispatcherUNIX(q);
+#elif defined(Q_OS_WIN)
+    eventDispatcher = new QEventDispatcherWin32(q);
+#else
+#  error "QEventDispatcher not yet ported to this platform"
+#endif
+}
+
+QThread *QCoreApplicationPrivate::theMainThread = 0;
+QThread *QCoreApplicationPrivate::mainThread()
+{
+    Q_ASSERT(theMainThread != 0);
+    return theMainThread;
+}
+
+#if !defined (QT_NO_DEBUG) || defined (QT_MAC_FRAMEWORK_BUILD)
+void QCoreApplicationPrivate::checkReceiverThread(QObject *receiver)
+{
+    QThread *currentThread = QThread::currentThread();
+    QThread *thr = receiver->thread();
+    Q_ASSERT_X(currentThread == thr || !thr,
+               "QCoreApplication::sendEvent",
+               QString::fromLatin1("Cannot send events to objects owned by a different thread. "
+                                   "Current thread %1. Receiver '%2' (of type '%3') was created in thread %4")
+               .arg(QString::number((quintptr) currentThread, 16))
+               .arg(receiver->objectName())
+               .arg(QLatin1String(receiver->metaObject()->className()))
+               .arg(QString::number((quintptr) thr, 16))
+               .toLocal8Bit().data());
+    Q_UNUSED(currentThread);
+    Q_UNUSED(thr);
+}
+#endif
+
+void QCoreApplicationPrivate::appendApplicationPathToLibraryPaths()
+{
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+    QStringList *app_libpaths = coreappdata()->app_libpaths;
+    Q_ASSERT(app_libpaths);
+    QString app_location( QCoreApplication::applicationFilePath() );
+    app_location.truncate(app_location.lastIndexOf(QLatin1Char('/')));
+    app_location = QDir(app_location).canonicalPath();
+    if (app_location !=  QLibraryInfo::location(QLibraryInfo::PluginsPath) && QFile::exists(app_location) && !app_libpaths->contains(app_location))
+        app_libpaths->append(app_location);
+#endif
+}
+
+QString qAppName()
+{
+    if (!QCoreApplicationPrivate::checkInstance("qAppName"))
+        return QString();
+    return QCoreApplication::instance()->d_func()->appName();
+}
+
+/*!
+    \class QCoreApplication
+    \brief The QCoreApplication class provides an event loop for console Qt
+    applications.
+
+    \ingroup application
+    \mainclass
+
+    This class is used by non-GUI applications to provide their event
+    loop. For non-GUI application that uses Qt, there should be exactly
+    one QCoreApplication object. For GUI applications, see
+    QApplication.
+
+    QCoreApplication contains the main event loop, where all events
+    from the operating system (e.g., timer and network events) and
+    other sources are processed and dispatched. It also handles the
+    application's initialization and finalization, as well as
+    system-wide and application-wide settings.
+
+    The command line arguments which QCoreApplication's constructor
+    should be called with are accessible using arguments(). The
+    event loop is started with a call to exec(). Long running
+    operations can call processEvents() to keep the application
+    responsive.
+
+    Some Qt classes, such as QString, can be used without a
+    QCoreApplication object. However, in general, we recommend that
+    you create a QCoreApplication or a QApplication object in your \c
+    main() function as early as possible. The application will enter
+    the event loop when exec() is called. exit() will not return
+    until the event loop exits, e.g., when quit() is called.
+
+    An application has an applicationDirPath() and an
+    applicationFilePath(). Translation files can be added or removed
+    using installTranslator() and removeTranslator(). Application
+    strings can be translated using translate(). The QObject::tr()
+    and QObject::trUtf8() functions are implemented in terms of
+    translate().
+
+    The class provides a quit() slot and an aboutToQuit() signal.
+
+    Several static convenience functions are also provided. The
+    QCoreApplication object is available from instance(). Events can
+    be sent or posted using sendEvent(), postEvent(), and
+    sendPostedEvents(). Pending events can be removed with
+    removePostedEvents() or flushed with flush(). Library paths (see
+    QLibrary) can be retrieved with libraryPaths() and manipulated by
+    setLibraryPaths(), addLibraryPath(), and removeLibraryPath().
+
+    \sa QApplication, QAbstractEventDispatcher, QEventLoop,
+    {Semaphores Example}, {Wait Conditions Example}
+*/
+
+/*!
+    \fn static QCoreApplication *QCoreApplication::instance()
+
+    Returns a pointer to the application's QCoreApplication (or
+    QApplication) instance.
+
+    If no instance has been allocated, \c null is returned.
+*/
+
+/*!\internal
+ */
+QCoreApplication::QCoreApplication(QCoreApplicationPrivate &p)
+    : QObject(p, 0)
+{
+    init();
+    // note: it is the subclasses' job to call
+    // QCoreApplicationPrivate::eventDispatcher->startingUp();
+}
+
+/*!
+    Flushes the platform specific event queues.
+
+    If you are doing graphical changes inside a loop that does not
+    return to the event loop on asynchronous window systems like X11
+    or double buffered window systems like Mac OS X, and you want to
+    visualize these changes immediately (e.g. Splash Screens), call
+    this function.
+
+    \sa sendPostedEvents()
+*/
+void QCoreApplication::flush()
+{
+    if (self && self->d_func()->eventDispatcher)
+        self->d_func()->eventDispatcher->flush();
+}
+
+/*!
+    Constructs a Qt kernel application. Kernel applications are
+    applications without a graphical user interface. These type of
+    applications are used at the console or as server processes.
+
+    The \a argc and \a argv arguments are processed by the application,
+    and made available in a more convenient form by the arguments()
+    function.
+
+    \warning The data referred to by \a argc and \a argv must stay valid
+    for the entire lifetime of the QCoreApplication object. In addition,
+    \a argc must be greater than zero and \a argv must contain at least
+    one valid character string.
+*/
+QCoreApplication::QCoreApplication(int &argc, char **argv)
+    : QObject(*new QCoreApplicationPrivate(argc, argv))
+{
+    init();
+    QCoreApplicationPrivate::eventDispatcher->startingUp();
+}
+
+extern void set_winapp_name();
+
+// ### move to QCoreApplicationPrivate constructor?
+void QCoreApplication::init()
+{
+    Q_D(QCoreApplication);
+
+#ifdef Q_OS_UNIX
+    setlocale(LC_ALL, "");                // use correct char set mapping
+    qt_locale_initialized = true;
+#endif
+
+#ifdef Q_WS_WIN
+    // Get the application name/instance if qWinMain() was not invoked
+    set_winapp_name();
+#endif
+
+    Q_ASSERT_X(!self, "QCoreApplication", "there should be only one application object");
+    QCoreApplication::self = this;
+
+#ifndef QT_NO_THREAD
+    QThread::initialize();
+#endif
+
+    // use the event dispatcher created by the app programmer (if any)
+    if (!QCoreApplicationPrivate::eventDispatcher)
+        QCoreApplicationPrivate::eventDispatcher = d->threadData->eventDispatcher;
+    // otherwise we create one
+    if (!QCoreApplicationPrivate::eventDispatcher)
+        d->createEventDispatcher();
+    Q_ASSERT(QCoreApplicationPrivate::eventDispatcher != 0);
+
+    if (!QCoreApplicationPrivate::eventDispatcher->parent())
+        QCoreApplicationPrivate::eventDispatcher->moveToThread(d->threadData->thread);
+
+    d->threadData->eventDispatcher = QCoreApplicationPrivate::eventDispatcher;
+
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+    if (!coreappdata()->app_libpaths) {
+        // make sure that library paths is initialized
+        libraryPaths();
+    } else {
+        d->appendApplicationPathToLibraryPaths();
+    }
+#endif
+
+#if defined(Q_OS_UNIX) && !(defined(QT_NO_PROCESS))
+    // Make sure the process manager thread object is created in the main
+    // thread.
+    QProcessPrivate::initializeProcessManager();
+#endif
+
+#ifdef QT_EVAL
+    extern void qt_core_eval_init(uint);
+    qt_core_eval_init(d->application_type);
+#endif
+
+    qt_startup_hook();
+}
+
+/*!
+    Destroys the QCoreApplication object.
+*/
+QCoreApplication::~QCoreApplication()
+{
+    qt_call_post_routines();
+
+    self = 0;
+    QCoreApplicationPrivate::is_app_closing = true;
+    QCoreApplicationPrivate::is_app_running = false;
+
+#if !defined(QT_NO_THREAD)
+#if !defined(QT_NO_CONCURRENT)
+    // Synchronize and stop the global thread pool threads.
+    QThreadPool::globalInstance()->waitForDone();
+#endif
+    QThread::cleanup();
+#endif
+
+    d_func()->threadData->eventDispatcher = 0;
+    if (QCoreApplicationPrivate::eventDispatcher)
+        QCoreApplicationPrivate::eventDispatcher->closingDown();
+    QCoreApplicationPrivate::eventDispatcher = 0;
+
+#ifndef QT_NO_LIBRARY
+    delete coreappdata()->app_libpaths;
+    coreappdata()->app_libpaths = 0;
+#endif
+}
+
+
+/*!
+    Sets the attribute \a attribute if \a on is true;
+    otherwise clears the attribute.
+
+    One of the attributes that can be set with this method is
+    Qt::AA_ImmediateWidgetCreation. It tells Qt to create toplevel
+    windows immediately. Normally, resources for widgets are allocated
+    on demand to improve efficiency and minimize resource usage.
+    Therefore, if it is important to minimize resource consumption, do
+    not set this attribute.
+
+    \sa testAttribute()
+*/
+void QCoreApplication::setAttribute(Qt::ApplicationAttribute attribute, bool on)
+{
+    if (on)
+        QCoreApplicationPrivate::attribs |= 1 << attribute;
+    else
+        QCoreApplicationPrivate::attribs &= ~(1 << attribute);
+}
+
+/*!
+  Returns true if attribute \a attribute is set;
+  otherwise returns false.
+
+  \sa setAttribute()
+ */
+bool QCoreApplication::testAttribute(Qt::ApplicationAttribute attribute)
+{
+    return QCoreApplicationPrivate::testAttribute(attribute);
+}
+
+
+/*!
+  \internal
+
+  This function is here to make it possible for Qt extensions to
+  hook into event notification without subclassing QApplication
+*/
+bool QCoreApplication::notifyInternal(QObject *receiver, QEvent *event)
+{
+    // Make it possible for Qt Jambi and QSA to hook into events even
+    // though QApplication is subclassed...
+    bool result = false;
+    void *cbdata[] = { receiver, event, &result };
+    if (QInternal::activateCallbacks(QInternal::EventNotifyCallback, cbdata)) {
+        return result;
+    }
+
+    // Qt enforces the rule that events can only be sent to objects in
+    // the current thread, so receiver->d_func()->threadData is
+    // equivalent to QThreadData::current(), just without the function
+    // call overhead.
+    QObjectPrivate *d = receiver->d_func();
+    QThreadData *threadData = d->threadData;
+    ++threadData->loopLevel;
+
+#ifdef QT_JAMBI_BUILD
+    int deleteWatch = 0;
+    int *oldDeleteWatch = QObjectPrivate::setDeleteWatch(d, &deleteWatch);
+
+    bool inEvent = d->inEventHandler;
+    d->inEventHandler = true;
+#endif
+
+#if defined(QT_NO_EXCEPTIONS)
+    bool returnValue = notify(receiver, event);
+#else
+    bool returnValue;
+    try {
+        returnValue = notify(receiver, event);
+    } catch(...) {
+        --threadData->loopLevel;
+        throw;
+    }
+#endif
+
+#ifdef QT_JAMBI_BUILD
+    // Restore the previous state if the object was not deleted..
+    if (!deleteWatch) {
+        d->inEventHandler = inEvent;
+    }
+    QObjectPrivate::resetDeleteWatch(d, oldDeleteWatch, deleteWatch);
+#endif
+    --threadData->loopLevel;
+    return returnValue;
+}
+
+
+/*!
+  Sends \a event to \a receiver: \a {receiver}->event(\a event).
+  Returns the value that is returned from the receiver's event
+  handler. Note that this function is called for all events send to
+  any object is all threads.
+
+  For certain types of events (e.g. mouse and key events),
+  the event will be propagated to the receiver's parent and so on up to
+  the top-level object if the receiver is not interested in the event
+  (i.e., it returns false).
+
+  There are five different ways that events can be processed;
+  reimplementing this virtual function is just one of them. All five
+  approaches are listed below:
+  \list 1
+  \i Reimplementing paintEvent(), mousePressEvent() and so
+  on. This is the commonest, easiest and least powerful way.
+
+  \i Reimplementing this function. This is very powerful, providing
+  complete control; but only one subclass can be active at a time.
+
+  \i Installing an event filter on QCoreApplication::instance(). Such
+  an event filter is able to process all events for all widgets, so
+  it's just as powerful as reimplementing notify(); furthermore, it's
+  possible to have more than one application-global event filter.
+  Global event filters even see mouse events for
+  \l{QWidget::isEnabled()}{disabled widgets}. Note that application
+  event filters are only called for objects that live in the main
+  thread.
+
+  \i Reimplementing QObject::event() (as QWidget does). If you do
+  this you get Tab key presses, and you get to see the events before
+  any widget-specific event filters.
+
+  \i Installing an event filter on the object. Such an event filter gets all
+  the events, including Tab and Shift+Tab key press events, as long as they
+  do not change the focus widget.
+  \endlist
+
+  \sa QObject::event(), installEventFilter()
+*/
+
+bool QCoreApplication::notify(QObject *receiver, QEvent *event)
+{
+    Q_D(QCoreApplication);
+    // no events are delivered after ~QCoreApplication() has started
+    if (QCoreApplicationPrivate::is_app_closing)
+        return true;
+
+    if (receiver == 0) {                        // serious error
+        qWarning("QCoreApplication::notify: Unexpected null receiver");
+        return true;
+    }
+
+#ifndef QT_NO_DEBUG
+    d->checkReceiverThread(receiver);
+#endif
+
+#ifdef QT3_SUPPORT
+    if (event->type() == QEvent::ChildRemoved && !receiver->d_func()->pendingChildInsertedEvents.isEmpty())
+        receiver->d_func()->removePendingChildInsertedEvents(static_cast<QChildEvent *>(event)->child());
+#endif // QT3_SUPPORT
+
+    return receiver->isWidgetType() ? false : d->notify_helper(receiver, event);
+}
+
+bool QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject *receiver, QEvent *event)
+{
+    if (receiver->d_func()->threadData == this->threadData) {
+        // application event filters are only called for objects in the GUI thread
+        for (int i = 0; i < eventFilters.size(); ++i) {
+            register QObject *obj = eventFilters.at(i);
+            if (!obj)
+                continue;
+            if (obj->d_func()->threadData != threadData) {
+                qWarning("QCoreApplication: Application event filter cannot be in a different thread.");
+                continue;
+            }
+            if (obj->eventFilter(receiver, event))
+                return true;
+        }
+    }
+    return false;
+}
+
+bool QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject *receiver, QEvent *event)
+{
+    Q_Q(QCoreApplication);
+    if (receiver != q) {
+        for (int i = 0; i < receiver->d_func()->eventFilters.size(); ++i) {
+            register QObject *obj = receiver->d_func()->eventFilters.at(i);
+            if (!obj)
+                continue;
+            if (obj->d_func()->threadData != receiver->d_func()->threadData) {
+                qWarning("QCoreApplication: Object event filter cannot be in a different thread.");
+                continue;
+            }
+            if (obj->eventFilter(receiver, event))
+                return true;
+        }
+    }
+    return false;
+}
+
+/*!\internal
+
+  Helper function called by notify()
+ */
+bool QCoreApplicationPrivate::notify_helper(QObject *receiver, QEvent * event)
+{
+    // send to all application event filters
+    if (sendThroughApplicationEventFilters(receiver, event))
+        return true;
+    // send to all receiver event filters
+    if (sendThroughObjectEventFilters(receiver, event))
+        return true;
+    // deliver the event
+    return receiver->event(event);
+}
+
+/*!
+  Returns true if an application object has not been created yet;
+  otherwise returns false.
+
+  \sa closingDown()
+*/
+
+bool QCoreApplication::startingUp()
+{
+    return !QCoreApplicationPrivate::is_app_running;
+}
+
+/*!
+  Returns true if the application objects are being destroyed;
+  otherwise returns false.
+
+  \sa startingUp()
+*/
+
+bool QCoreApplication::closingDown()
+{
+    return QCoreApplicationPrivate::is_app_closing;
+}
+
+
+/*!
+    Processes all pending events for the calling thread according to
+    the specified \a flags until there are no more events to process.
+
+    You can call this function occasionally when your program is busy
+    performing a long operation (e.g. copying a file).
+
+    In event you are running a local loop which calls this function
+    continuously, without an event loop, the
+    \l{QEvent::DeferredDelete}{DeferredDelete} events will
+    not be processed. This can affect the behaviour of widgets,
+    e.g. QToolTip, that rely on \l{QEvent::DeferredDelete}{DeferredDelete}
+    events to function properly. An alternative would be to call
+    \l{QCoreApplication::sendPostedEvents()}{sendPostedEvents()} from
+    within that local loop.
+
+    Calling this function processes events only for the calling thread.
+
+    \threadsafe
+
+    \sa exec(), QTimer, QEventLoop::processEvents(), flush(), sendPostedEvents()
+*/
+void QCoreApplication::processEvents(QEventLoop::ProcessEventsFlags flags)
+{
+    QThreadData *data = QThreadData::current();
+    if (!data->eventDispatcher)
+        return;
+    if (flags & QEventLoop::DeferredDeletion)
+        QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
+    data->eventDispatcher->processEvents(flags);
+}
+
+/*!
+    \overload processEvents()
+
+    Processes pending events for the calling thread for \a maxtime
+    milliseconds or until there are no more events to process,
+    whichever is shorter.
+
+    You can call this function occasionally when you program is busy
+    doing a long operation (e.g. copying a file).
+
+    Calling this function processes events only for the calling thread.
+
+    \threadsafe
+
+    \sa exec(), QTimer, QEventLoop::processEvents()
+*/
+void QCoreApplication::processEvents(QEventLoop::ProcessEventsFlags flags, int maxtime)
+{
+    QThreadData *data = QThreadData::current();
+    if (!data->eventDispatcher)
+        return;
+    QTime start;
+    start.start();
+    if (flags & QEventLoop::DeferredDeletion)
+        QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
+    while (data->eventDispatcher->processEvents(flags & ~QEventLoop::WaitForMoreEvents)) {
+        if (start.elapsed() > maxtime)
+            break;
+        if (flags & QEventLoop::DeferredDeletion)
+            QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
+    }
+}
+
+/*****************************************************************************
+  Main event loop wrappers
+ *****************************************************************************/
+
+/*!
+    Enters the main event loop and waits until exit() is called.
+    Returns the value that was set to exit() (which is 0 if exit() is
+    called via quit()).
+
+    It is necessary to call this function to start event handling. The
+    main event loop receives events from the window system and
+    dispatches these to the application widgets.
+
+    To make your application perform idle processing (i.e. executing a
+    special function whenever there are no pending events), use a
+    QTimer with 0 timeout. More advanced idle processing schemes can
+    be achieved using processEvents().
+
+    We recommend that you connect clean-up code to the
+    \l{QCoreApplication::}{aboutToQuit()} signal, instead of putting it in
+    your application's \c{main()} function because on some platforms the
+    QCoreApplication::exec() call may not return. For example, on Windows
+    when the user logs off, the system terminates the process after Qt
+    closes all top-level windows. Hence, there is no guarantee that the
+    application will have time to exit its event loop and execute code at
+    the end of the \c{main()} function after the QCoreApplication::exec()
+    call.
+
+    \sa quit(), exit(), processEvents(), QApplication::exec()
+*/
+int QCoreApplication::exec()
+{
+    if (!QCoreApplicationPrivate::checkInstance("exec"))
+        return -1;
+
+    QThreadData *threadData = self->d_func()->threadData;
+    if (threadData != QThreadData::current()) {
+        qWarning("%s::exec: Must be called from the main thread", self->metaObject()->className());
+        return -1;
+    }
+    if (!threadData->eventLoops.isEmpty()) {
+        qWarning("QCoreApplication::exec: The event loop is already running");
+        return -1;
+    }
+
+    threadData->quitNow = false;
+    QEventLoop eventLoop;
+    self->d_func()->in_exec = true;
+    self->d_func()->aboutToQuitEmitted = false;
+    int returnCode = eventLoop.exec();
+    threadData->quitNow = false;
+    if (self) {
+        self->d_func()->in_exec = false;
+        if (!self->d_func()->aboutToQuitEmitted)
+            emit self->aboutToQuit();
+        self->d_func()->aboutToQuitEmitted = true;
+        sendPostedEvents(0, QEvent::DeferredDelete);
+    }
+
+    return returnCode;
+}
+
+/*!
+  Tells the application to exit with a return code.
+
+    After this function has been called, the application leaves the
+    main event loop and returns from the call to exec(). The exec()
+    function returns \a returnCode. If the event loop is not running,
+    this function does nothing.
+
+  By convention, a \a returnCode of 0 means success, and any non-zero
+  value indicates an error.
+
+  Note that unlike the C library function of the same name, this
+  function \e does return to the caller -- it is event processing that
+  stops.
+
+  \sa quit(), exec()
+*/
+void QCoreApplication::exit(int returnCode)
+{
+    if (!self)
+        return;
+    QThreadData *data = self->d_func()->threadData;
+    data->quitNow = true;
+    for (int i = 0; i < data->eventLoops.size(); ++i) {
+        QEventLoop *eventLoop = data->eventLoops.at(i);
+        eventLoop->exit(returnCode);
+    }
+}
+
+/*****************************************************************************
+  QCoreApplication management of posted events
+ *****************************************************************************/
+
+/*!
+    \fn bool QCoreApplication::sendEvent(QObject *receiver, QEvent *event)
+
+    Sends event \a event directly to receiver \a receiver, using the
+    notify() function. Returns the value that was returned from the
+    event handler.
+
+    The event is \e not deleted when the event has been sent. The normal
+    approach is to create the event on the stack, for example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp 0
+
+    \sa postEvent(), notify()
+*/
+
+/*!
+    Adds the event \a event, with the object \a receiver as the
+    receiver of the event, to an event queue and returns immediately.
+
+    The event must be allocated on the heap since the post event queue
+    will take ownership of the event and delete it once it has been
+    posted.  It is \e {not safe} to modify or delete the event after
+    it has been posted.
+
+    When control returns to the main event loop, all events that are
+    stored in the queue will be sent using the notify() function.
+
+    Events are processed in the order posted. For more control over
+    the processing order, use the postEvent() overload below, which
+    takes a priority argument. This function posts all event with a
+    Qt::NormalEventPriority.
+
+    \threadsafe
+
+    \sa sendEvent(), notify(), sendPostedEvents()
+*/
+
+void QCoreApplication::postEvent(QObject *receiver, QEvent *event)
+{
+    postEvent(receiver, event, Qt::NormalEventPriority);
+}
+
+
+/*!
+    \overload postEvent()
+    \since 4.3
+
+    Adds the event \a event, with the object \a receiver as the
+    receiver of the event, to an event queue and returns immediately.
+
+    The event must be allocated on the heap since the post event queue
+    will take ownership of the event and delete it once it has been
+    posted.  It is \e {not safe} to modify or delete the event after
+    it has been posted.
+
+    When control returns to the main event loop, all events that are
+    stored in the queue will be sent using the notify() function.
+
+    Events are sorted in descending \a priority order, i.e. events
+    with a high \a priority are queued before events with a lower \a
+    priority. The \a priority can be any integer value, i.e. between
+    INT_MAX and INT_MIN, inclusive; see Qt::EventPriority for more
+    details. Events with equal \a priority will be processed in the
+    order posted.
+
+    \threadsafe
+
+    \sa sendEvent(), notify(), sendPostedEvents(), Qt::EventPriority
+*/
+void QCoreApplication::postEvent(QObject *receiver, QEvent *event, int priority)
+{
+    if (receiver == 0) {
+        qWarning("QCoreApplication::postEvent: Unexpected null receiver");
+        delete event;
+        return;
+    }
+
+    QThreadData * volatile * pdata = &receiver->d_func()->threadData;
+    QThreadData *data = *pdata;
+    if (!data) {
+        // posting during destruction? just delete the event to prevent a leak
+        delete event;
+        return;
+    }
+
+    // lock the post event mutex
+    data->postEventList.mutex.lock();
+
+    // if object has moved to another thread, follow it
+    while (data != *pdata) {
+        data->postEventList.mutex.unlock();
+
+        data = *pdata;
+        if (!data) {
+            // posting during destruction? just delete the event to prevent a leak
+            delete event;
+            return;
+        }
+
+        data->postEventList.mutex.lock();
+    }
+
+    // if this is one of the compressible events, do compression
+    if (receiver->d_func()->postedEvents
+        && self && self->compressEvent(event, receiver, &data->postEventList)) {
+        data->postEventList.mutex.unlock();
+        return;
+    }
+
+    event->posted = true;
+    ++receiver->d_func()->postedEvents;
+    if (event->type() == QEvent::DeferredDelete && data == QThreadData::current()) {
+        // remember the current running eventloop for DeferredDelete
+        // events posted in the receiver's thread
+        event->d = reinterpret_cast<QEventPrivate *>(quintptr(data->loopLevel));
+    }
+
+    if (data->postEventList.isEmpty() || data->postEventList.last().priority >= priority) {
+        // optimization: we can simply append if the last event in
+        // the queue has higher or equal priority
+        data->postEventList.append(QPostEvent(receiver, event, priority));
+    } else {
+        // insert event in descending priority order, using upper
+        // bound for a given priority (to ensure proper ordering
+        // of events with the same priority)
+        QPostEventList::iterator begin = data->postEventList.begin()
+                                         + data->postEventList.insertionOffset,
+                                   end = data->postEventList.end();
+        QPostEventList::iterator at = qUpperBound(begin, end, priority);
+        data->postEventList.insert(at, QPostEvent(receiver, event, priority));
+    }
+    data->canWait = false;
+    data->postEventList.mutex.unlock();
+
+    if (data->eventDispatcher)
+        data->eventDispatcher->wakeUp();
+}
+
+/*!
+  \internal
+  Returns true if \a event was compressed away (possibly deleted) and should not be added to the list.
+*/
+bool QCoreApplication::compressEvent(QEvent *event, QObject *receiver, QPostEventList *postedEvents)
+{
+#ifdef Q_WS_WIN
+    Q_ASSERT(event);
+    Q_ASSERT(receiver);
+    Q_ASSERT(postedEvents);
+
+    // compress posted timers to this object.
+    if (event->type() == QEvent::Timer && receiver->d_func()->postedEvents > 0) {
+        int timerId = ((QTimerEvent *) event)->timerId();
+        for (int i=0; i<postedEvents->size(); ++i) {
+            const QPostEvent &e = postedEvents->at(i);
+            if (e.receiver == receiver && e.event && e.event->type() == QEvent::Timer
+                && ((QTimerEvent *) e.event)->timerId() == timerId) {
+                delete event;
+                return true;
+            }
+        }
+    } else
+#endif
+        if ((event->type() == QEvent::DeferredDelete
+             || event->type() == QEvent::Quit)
+            && receiver->d_func()->postedEvents > 0) {
+            for (int i = 0; i < postedEvents->size(); ++i) {
+                const QPostEvent &cur = postedEvents->at(i);
+                if (cur.receiver != receiver
+                    || cur.event == 0
+                    || cur.event->type() != event->type())
+                    continue;
+                // found an event for this receiver
+                delete event;
+                return true;
+            }
+        }
+    return false;
+}
+
+/*!
+  \fn void QCoreApplication::sendPostedEvents()
+  \overload sendPostedEvents()
+
+    Dispatches all posted events, i.e. empties the event queue.
+*/
+
+/*!
+  Immediately dispatches all events which have been previously queued
+  with QCoreApplication::postEvent() and which are for the object \a receiver
+  and have the event type \a event_type.
+
+  Events from the window system are \e not dispatched by this
+  function, but by processEvents().
+
+  If \a receiver is null, the events of \a event_type are sent for all
+  objects. If \a event_type is 0, all the events are sent for \a receiver.
+
+  \note This method must be called from the same thread as its QObject parameter, \a receiver.
+
+  \sa flush(), postEvent()
+*/
+
+void QCoreApplication::sendPostedEvents(QObject *receiver, int event_type)
+{
+    QThreadData *data = QThreadData::current();
+
+    QCoreApplicationPrivate::sendPostedEvents(receiver, event_type, data);
+}
+
+void QCoreApplicationPrivate::sendPostedEvents(QObject *receiver, int event_type,
+                                               QThreadData *data)
+{
+    if (event_type == -1) {
+        // we were called by an obsolete event dispatcher.
+        event_type = 0;
+    }
+
+    if (receiver && receiver->d_func()->threadData != data) {
+        qWarning("QCoreApplication::sendPostedEvents: Cannot send "
+                 "posted events for objects in another thread");
+        return;
+    }
+
+    ++data->postEventList.recursion;
+
+#ifdef QT3_SUPPORT
+    if (event_type == QEvent::ChildInserted) {
+        if (receiver) {
+            // optimize sendPostedEvents(w, QEvent::ChildInserted) calls away
+            receiver->d_func()->sendPendingChildInsertedEvents();
+            --data->postEventList.recursion;
+            return;
+        }
+
+        // ChildInserted events are sent in response to *Request
+        event_type = QEvent::ChildInsertedRequest;
+    }
+#endif
+
+    QMutexLocker locker(&data->postEventList.mutex);
+
+    // by default, we assume that the event dispatcher can go to sleep after
+    // processing all events. if any new events are posted while we send
+    // events, canWait will be set to false.
+    data->canWait = (data->postEventList.size() == 0);
+
+    if (data->postEventList.size() == 0 || (receiver && !receiver->d_func()->postedEvents)) {
+        --data->postEventList.recursion;
+        return;
+    }
+
+    data->canWait = true;
+
+    // okay. here is the tricky loop. be careful about optimizing
+    // this, it looks the way it does for good reasons.
+    int startOffset = data->postEventList.startOffset;
+    int &i = (!event_type && !receiver) ? data->postEventList.startOffset : startOffset;
+    data->postEventList.insertionOffset = data->postEventList.size();
+
+    while (i < data->postEventList.size()) {
+        // avoid live-lock
+        if (i >= data->postEventList.insertionOffset)
+            break;
+
+        const QPostEvent &pe = data->postEventList.at(i);
+        ++i;
+
+        if (!pe.event)
+            continue;
+        if ((receiver && receiver != pe.receiver) || (event_type && event_type != pe.event->type())) {
+            data->canWait = false;
+            continue;
+        }
+
+        if (pe.event->type() == QEvent::DeferredDelete) {
+            // DeferredDelete events are only sent when we are explicitly asked to
+            // (s.a. QEvent::DeferredDelete), and then only if the event loop that
+            // posted the event has returned.
+            const bool allowDeferredDelete =
+                (quintptr(pe.event->d) > unsigned(data->loopLevel)
+                 || (!quintptr(pe.event->d) && data->loopLevel > 0)
+                 || (event_type == QEvent::DeferredDelete
+                     && quintptr(pe.event->d) == unsigned(data->loopLevel)));
+            if (!allowDeferredDelete) {
+                // cannot send deferred delete
+                if (!event_type && !receiver) {
+                    // don't lose the event
+                    data->postEventList.append(pe);
+                    const_cast<QPostEvent &>(pe).event = 0;
+                }
+                continue;
+            }
+        }
+
+        // first, we diddle the event so that we can deliver
+        // it, and that no one will try to touch it later.
+        pe.event->posted = false;
+        QEvent * e = pe.event;
+        QObject * r = pe.receiver;
+
+        --r->d_func()->postedEvents;
+        Q_ASSERT(r->d_func()->postedEvents >= 0);
+
+        // next, update the data structure so that we're ready
+        // for the next event.
+        const_cast<QPostEvent &>(pe).event = 0;
+
+        locker.unlock();
+        // after all that work, it's time to deliver the event.
+#ifdef QT_NO_EXCEPTIONS
+        QCoreApplication::sendEvent(r, e);
+#else
+        try {
+            QCoreApplication::sendEvent(r, e);
+        } catch (...) {
+            delete e;
+            locker.relock();
+
+            // since we were interrupted, we need another pass to make sure we clean everything up
+            data->canWait = false;
+
+            // uglehack: copied from below
+            --data->postEventList.recursion;
+            if (!data->postEventList.recursion && !data->canWait && data->eventDispatcher)
+                data->eventDispatcher->wakeUp();
+            throw;              // rethrow
+        }
+#endif
+
+        delete e;
+        locker.relock();
+
+        // careful when adding anything below this point - the
+        // sendEvent() call might invalidate any invariants this
+        // function depends on.
+    }
+
+    --data->postEventList.recursion;
+    if (!data->postEventList.recursion && !data->canWait && data->eventDispatcher)
+        data->eventDispatcher->wakeUp();
+
+    // clear the global list, i.e. remove everything that was
+    // delivered.
+    if (!event_type && !receiver && data->postEventList.startOffset >= 0) {
+        const QPostEventList::iterator it = data->postEventList.begin();
+        data->postEventList.erase(it, it + data->postEventList.startOffset);
+        data->postEventList.insertionOffset -= data->postEventList.startOffset;
+        Q_ASSERT(data->postEventList.insertionOffset >= 0);
+        data->postEventList.startOffset = 0;
+    }
+}
+
+/*!
+  Removes all events posted using postEvent() for \a receiver.
+
+  The events are \e not dispatched, instead they are removed from the
+  queue. You should never need to call this function. If you do call it,
+  be aware that killing events may cause \a receiver to break one or
+  more invariants.
+
+  \threadsafe
+*/
+
+void QCoreApplication::removePostedEvents(QObject *receiver)
+{
+    removePostedEvents(receiver, 0);
+}
+
+/*!
+    \overload removePostedEvents()
+    \since 4.3
+
+    Removes all events of the given \a eventType that were posted
+    using postEvent() for \a receiver.
+
+    The events are \e not dispatched, instead they are removed from
+    the queue. You should never need to call this function. If you do
+    call it, be aware that killing events may cause \a receiver to
+    break one or more invariants.
+
+    If \a receiver is null, the events of \a eventType are removed for
+    all objects. If \a eventType is 0, all the events are removed for
+    \a receiver.
+
+    \threadsafe
+*/
+
+void QCoreApplication::removePostedEvents(QObject *receiver, int eventType)
+{
+#ifdef QT3_SUPPORT
+    if (eventType == QEvent::ChildInserted)
+        eventType = QEvent::ChildInsertedRequest;
+#endif
+
+    QThreadData *data = receiver ? receiver->d_func()->threadData : QThreadData::current();
+    QMutexLocker locker(&data->postEventList.mutex);
+
+    // the QObject destructor calls this function directly.  this can
+    // happen while the event loop is in the middle of posting events,
+    // and when we get here, we may not have any more posted events
+    // for this object.
+    if (receiver && !receiver->d_func()->postedEvents)
+        return;
+    QCoreApplicationPrivate::removePostedEvents_unlocked(receiver, eventType, data);
+}
+
+void QCoreApplicationPrivate::removePostedEvents_unlocked(QObject *receiver,
+                                                          int eventType,
+                                                          QThreadData *data)
+{
+    int n = data->postEventList.size();
+    int j = 0;
+
+    for (int i = 0; i < n; ++i) {
+        const QPostEvent &pe = data->postEventList.at(i);
+
+        if ((!receiver || pe.receiver == receiver)
+            && (pe.event && (eventType == 0 || pe.event->type() == eventType))) {
+            --pe.receiver->d_func()->postedEvents;
+#ifdef QT3_SUPPORT
+            if (pe.event->type() == QEvent::ChildInsertedRequest)
+                pe.receiver->d_func()->removePendingChildInsertedEvents(0);
+#endif
+            pe.event->posted = false;
+            delete pe.event;
+            const_cast<QPostEvent &>(pe).event = 0;
+        } else if (!data->postEventList.recursion) {
+            if (i != j)
+                data->postEventList.swap(i, j);
+            ++j;
+        }
+    }
+
+#ifdef QT_DEBUG
+    if (receiver && eventType == 0) {
+        Q_ASSERT(!receiver->d_func()->postedEvents);
+    }
+#endif
+
+    if (!data->postEventList.recursion) {
+        // truncate list
+        data->postEventList.erase(data->postEventList.begin() + j, data->postEventList.end());
+    }
+}
+
+
+/*!
+  Removes \a event from the queue of posted events, and emits a
+  warning message if appropriate.
+
+  \warning This function can be \e really slow. Avoid using it, if
+  possible.
+
+  \threadsafe
+*/
+
+void QCoreApplicationPrivate::removePostedEvent(QEvent * event)
+{
+    if (!event || !event->posted)
+        return;
+
+    QThreadData *data = QThreadData::current();
+
+    QMutexLocker locker(&data->postEventList.mutex);
+
+    if (data->postEventList.size() == 0) {
+#if defined(QT_DEBUG)
+        qDebug("QCoreApplication::removePostedEvent: Internal error: %p %d is posted",
+                (void*)event, event->type());
+        return;
+#endif
+    }
+
+    for (int i = 0; i < data->postEventList.size(); ++i) {
+        const QPostEvent & pe = data->postEventList.at(i);
+        if (pe.event == event) {
+#ifndef QT_NO_DEBUG
+            qWarning("QCoreApplication::removePostedEvent: Event of type %d deleted while posted to %s %s",
+                     event->type(),
+                     pe.receiver->metaObject()->className(),
+                     pe.receiver->objectName().toLocal8Bit().data());
+#endif
+            --pe.receiver->d_func()->postedEvents;
+            pe.event->posted = false;
+            delete pe.event;
+            const_cast<QPostEvent &>(pe).event = 0;
+            return;
+        }
+    }
+}
+
+/*!\reimp
+
+*/
+bool QCoreApplication::event(QEvent *e)
+{
+    if (e->type() == QEvent::Quit) {
+        quit();
+        return true;
+    }
+    return QObject::event(e);
+}
+
+/*! \enum QCoreApplication::Encoding
+
+    This enum type defines the 8-bit encoding of character string
+    arguments to translate():
+
+    \value CodecForTr  The encoding specified by
+                       QTextCodec::codecForTr() (Latin-1 if none has
+                       been set).
+    \value UnicodeUTF8  UTF-8.
+    \value DefaultCodec  (Obsolete) Use CodecForTr instead.
+
+    \sa QObject::tr(), QObject::trUtf8(), QString::fromUtf8()
+*/
+
+/*!
+    Tells the application to exit with return code 0 (success).
+    Equivalent to calling QCoreApplication::exit(0).
+
+    It's common to connect the QApplication::lastWindowClosed() signal
+    to quit(), and you also often connect e.g. QAbstractButton::clicked() or
+    signals in QAction, QMenu, or QMenuBar to it.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp 1
+
+    \sa exit(), aboutToQuit(), QApplication::lastWindowClosed()
+*/
+
+void QCoreApplication::quit()
+{
+    exit(0);
+}
+
+/*!
+  \fn void QCoreApplication::aboutToQuit()
+
+  This signal is emitted when the application is about to quit the
+  main event loop, e.g. when the event loop level drops to zero.
+  This may happen either after a call to quit() from inside the
+  application or when the users shuts down the entire desktop session.
+
+  The signal is particularly useful if your application has to do some
+  last-second cleanup. Note that no user interaction is possible in
+  this state.
+
+  \sa quit()
+*/
+
+#ifndef QT_NO_TRANSLATION
+/*!
+    Adds the translation file \a translationFile to the list of
+    translation files to be used for translations.
+
+    Multiple translation files can be installed. Translations are
+    searched for in the reverse order in which they were installed,
+    so the most recently installed translation file is searched first
+    and the first translation file installed is searched last.
+    The search stops as soon as a translation containing a matching
+    string is found.
+
+    Installing or removing a QTranslator, or changing an installed QTranslator
+    generates a \l{QEvent::LanguageChange}{LanguageChange} event for the
+    QCoreApplication instance. A QApplication instance will propagate the event
+    to all toplevel windows, where a reimplementation of changeEvent can
+    re-translate the user interface by passing user-visible strings via the
+    tr() function to the respective property setters. User-interface classes
+    generated by \l{Qt Designer} provide a \c retranslateUi() function that can be
+    called.
+
+    \sa removeTranslator() translate() QTranslator::load() {Dynamic Translation}
+*/
+
+void QCoreApplication::installTranslator(QTranslator *translationFile)
+{
+    if (!translationFile)
+        return;
+
+    if (!QCoreApplicationPrivate::checkInstance("installTranslator"))
+        return;
+    QCoreApplicationPrivate *d = self->d_func();
+    d->translators.prepend(translationFile);
+
+#ifndef QT_NO_TRANSLATION_BUILDER
+    if (translationFile->isEmpty())
+        return;
+#endif
+
+    QEvent ev(QEvent::LanguageChange);
+    QCoreApplication::sendEvent(self, &ev);
+}
+
+/*!
+    Removes the translation file \a translationFile from the list of
+    translation files used by this application. (It does not delete the
+    translation file from the file system.)
+
+    \sa installTranslator() translate(), QObject::tr()
+*/
+
+void QCoreApplication::removeTranslator(QTranslator *translationFile)
+{
+    if (!translationFile)
+        return;
+    if (!QCoreApplicationPrivate::checkInstance("removeTranslator"))
+        return;
+    QCoreApplicationPrivate *d = self->d_func();
+    if (d->translators.removeAll(translationFile) && !self->closingDown()) {
+        QEvent ev(QEvent::LanguageChange);
+        QCoreApplication::sendEvent(self, &ev);
+    }
+}
+
+/*!
+    \overload translate()
+*/
+QString QCoreApplication::translate(const char *context, const char *sourceText,
+                                    const char *disambiguation, Encoding encoding)
+{
+    return translate(context, sourceText, disambiguation, encoding, -1);
+}
+
+static void replacePercentN(QString *result, int n)
+{
+    if (n >= 0) {
+        int percentPos = 0;
+        int len = 0;
+        while ((percentPos = result->indexOf(QLatin1Char('%'), percentPos + len)) != -1) {
+            len = 1;
+            QString fmt;
+            if (result->at(percentPos + len) == QLatin1Char('L')) {
+                ++len;
+                fmt = QLatin1String("%L1");
+            } else {
+                fmt = QLatin1String("%1");
+            }
+            if (result->at(percentPos + len) == QLatin1Char('n')) {
+                fmt = fmt.arg(n);
+                ++len;
+                result->replace(percentPos, len, fmt);
+                len = fmt.length();
+            }
+        }
+    }
+}
+
+/*!
+    \reentrant
+    \since 4.5
+
+    Returns the translation text for \a sourceText, by querying the
+    installed translation files. The translation files are searched
+    from the most recently installed file back to the first
+    installed file.
+
+    QObject::tr() and QObject::trUtf8() provide this functionality
+    more conveniently.
+
+    \a context is typically a class name (e.g., "MyDialog") and \a
+    sourceText is either English text or a short identifying text.
+
+    \a disambiguation is an identifying string, for when the same \a
+    sourceText is used in different roles within the same context. By
+    default, it is null.
+
+    See the \l QTranslator and \l QObject::tr() documentation for
+    more information about contexts, disambiguations and comments.
+
+    \a encoding indicates the 8-bit encoding of character strings.
+
+    \a n is used in conjunction with \c %n to support plural forms.
+    See QObject::tr() for details.
+
+    If none of the translation files contain a translation for \a
+    sourceText in \a context, this function returns a QString
+    equivalent of \a sourceText. The encoding of \a sourceText is
+    specified by \e encoding; it defaults to CodecForTr.
+
+    This function is not virtual. You can use alternative translation
+    techniques by subclassing \l QTranslator.
+
+    \warning This method is reentrant only if all translators are
+    installed \e before calling this method. Installing or removing
+    translators while performing translations is not supported. Doing
+    so will most likely result in crashes or other undesirable
+    behavior.
+
+    \sa QObject::tr() installTranslator() QTextCodec::codecForTr()
+*/
+
+
+QString QCoreApplication::translate(const char *context, const char *sourceText,
+                                    const char *disambiguation, Encoding encoding, int n)
+{
+    QString result;
+
+    if (!sourceText)
+        return result;
+
+    if (self && !self->d_func()->translators.isEmpty()) {
+        QList<QTranslator*>::ConstIterator it;
+        QTranslator *translationFile;
+        for (it = self->d_func()->translators.constBegin(); it != self->d_func()->translators.constEnd(); ++it) {
+            translationFile = *it;
+            result = translationFile->translate(context, sourceText, disambiguation, n);
+            if (!result.isEmpty())
+                break;
+        }
+    }
+
+    if (result.isEmpty()) {
+#ifdef QT_NO_TEXTCODEC
+        Q_UNUSED(encoding)
+#else
+        if (encoding == UnicodeUTF8)
+            result = QString::fromUtf8(sourceText);
+        else if (QTextCodec::codecForTr() != 0)
+            result = QTextCodec::codecForTr()->toUnicode(sourceText);
+        else
+#endif
+            result = QString::fromLatin1(sourceText);
+    }
+
+    replacePercentN(&result, n);
+    return result;
+}
+
+bool QCoreApplicationPrivate::isTranslatorInstalled(QTranslator *translator)
+{
+    return QCoreApplication::self
+           && QCoreApplication::self->d_func()->translators.contains(translator);
+}
+
+#endif //QT_NO_TRANSLATE
+
+/*!
+    Returns the directory that contains the application executable.
+
+    For example, if you have installed Qt in the \c{C:\Trolltech\Qt}
+    directory, and you run the \c{regexp} example, this function will
+    return "C:/Trolltech/Qt/examples/tools/regexp".
+
+    On Mac OS X this will point to the directory actually containing the
+    executable, which may be inside of an application bundle (if the
+    application is bundled).
+
+    \warning On Linux, this function will try to get the path from the
+    \c {/proc} file system. If that fails, it assumes that \c
+    {argv[0]} contains the absolute file name of the executable. The
+    function also assumes that the current directory has not been
+    changed by the application.
+
+    \sa applicationFilePath()
+*/
+QString QCoreApplication::applicationDirPath()
+{
+    if (!self) {
+        qWarning("QCoreApplication::applicationDirPath: Please instantiate the QApplication object first");
+        return QString();
+    }
+
+    QCoreApplicationPrivate *d = self->d_func();
+    if (d->cachedApplicationDirPath == QString())
+        d->cachedApplicationDirPath = QFileInfo(applicationFilePath()).path();
+    return d->cachedApplicationDirPath;
+}
+
+/*!
+    Returns the file path of the application executable.
+
+    For example, if you have installed Qt in the \c{/usr/local/qt}
+    directory, and you run the \c{regexp} example, this function will
+    return "/usr/local/qt/examples/tools/regexp/regexp".
+
+    \warning On Linux, this function will try to get the path from the
+    \c {/proc} file system. If that fails, it assumes that \c
+    {argv[0]} contains the absolute file name of the executable. The
+    function also assumes that the current directory has not been
+    changed by the application.
+
+    \sa applicationDirPath()
+*/
+QString QCoreApplication::applicationFilePath()
+{
+    if (!self) {
+        qWarning("QCoreApplication::applicationFilePath: Please instantiate the QApplication object first");
+        return QString();
+    }
+
+    QCoreApplicationPrivate *d = self->d_func();
+    if (d->cachedApplicationFilePath != QString())
+        return d->cachedApplicationFilePath;
+
+#if defined( Q_WS_WIN )
+    QFileInfo filePath;
+    QT_WA({
+        wchar_t module_name[MAX_PATH+1];
+        GetModuleFileNameW(0, module_name, MAX_PATH);
+        module_name[MAX_PATH] = 0;
+        filePath = QString::fromUtf16((ushort *)module_name);
+    }, {
+        char module_name[MAX_PATH+1];
+        GetModuleFileNameA(0, module_name, MAX_PATH);
+        module_name[MAX_PATH] = 0;
+        filePath = QString::fromLocal8Bit(module_name);
+    });
+
+    d->cachedApplicationFilePath = filePath.filePath();
+    return d->cachedApplicationFilePath;
+#elif defined(Q_WS_MAC)
+    QString qAppFileName_str = qAppFileName();
+    if(!qAppFileName_str.isEmpty()) {
+        QFileInfo fi(qAppFileName_str);
+        d->cachedApplicationFilePath = fi.exists() ? fi.canonicalFilePath() : QString();
+        return d->cachedApplicationFilePath;
+    }
+#endif
+#if defined( Q_OS_UNIX )
+#  ifdef Q_OS_LINUX
+    // Try looking for a /proc/<pid>/exe symlink first which points to
+    // the absolute path of the executable
+    QFileInfo pfi(QString::fromLatin1("/proc/%1/exe").arg(getpid()));
+    if (pfi.exists() && pfi.isSymLink()) {
+        d->cachedApplicationFilePath = pfi.canonicalFilePath();
+        return d->cachedApplicationFilePath;
+    }
+#  endif
+
+    QString argv0 = QFile::decodeName(QByteArray(argv()[0]));
+    QString absPath;
+
+    if (!argv0.isEmpty() && argv0.at(0) == QLatin1Char('/')) {
+        /*
+          If argv0 starts with a slash, it is already an absolute
+          file path.
+        */
+        absPath = argv0;
+    } else if (argv0.contains(QLatin1Char('/'))) {
+        /*
+          If argv0 contains one or more slashes, it is a file path
+          relative to the current directory.
+        */
+        absPath = QDir::current().absoluteFilePath(argv0);
+    } else {
+        /*
+          Otherwise, the file path has to be determined using the
+          PATH environment variable.
+        */
+        QByteArray pEnv = qgetenv("PATH");
+        QDir currentDir = QDir::current();
+        QStringList paths = QString::fromLocal8Bit(pEnv.constData()).split(QLatin1String(":"));
+        for (QStringList::const_iterator p = paths.constBegin(); p != paths.constEnd(); ++p) {
+            if ((*p).isEmpty())
+                continue;
+            QString candidate = currentDir.absoluteFilePath(*p + QLatin1Char('/') + argv0);
+            QFileInfo candidate_fi(candidate);
+            if (candidate_fi.exists() && !candidate_fi.isDir()) {
+                absPath = candidate;
+                break;
+            }
+        }
+    }
+
+    absPath = QDir::cleanPath(absPath);
+
+    QFileInfo fi(absPath);
+    d->cachedApplicationFilePath = fi.exists() ? fi.canonicalFilePath() : QString();
+    return d->cachedApplicationFilePath;
+#endif
+}
+
+/*!
+    \since 4.4
+
+    Returns the current process ID for the application.
+*/
+qint64 QCoreApplication::applicationPid()
+{
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    return GetCurrentProcessId();
+#else
+    // UNIX
+    return getpid();
+#endif
+}
+
+/*!
+    \obsolete
+
+    Use arguments().size() instead.
+*/
+int QCoreApplication::argc()
+{
+    if (!self) {
+        qWarning("QCoreApplication::argc: Please instantiate the QApplication object first");
+        return 0;
+    }
+    return self->d_func()->argc;
+}
+
+
+/*!
+    \obsolete
+
+    Use arguments() instead.
+*/
+char **QCoreApplication::argv()
+{
+    if (!self) {
+        qWarning("QCoreApplication::argv: Please instantiate the QApplication object first");
+        return 0;
+    }
+    return self->d_func()->argv;
+}
+
+/*!
+    \since 4.1
+
+    Returns the list of command-line arguments.
+
+    Usually arguments().at(0) is the program name, arguments().at(1)
+    is the first argument, and arguments().last() is the last
+    argument. See the note below about Windows.
+
+    Calling this function is slow - you should store the result in a variable
+    when parsing the command line.
+
+    \warning On Unix, this list is built from the argc and argv parameters passed
+    to the constructor in the main() function. The string-data in argv is
+    interpreted using QString::fromLocal8Bit(); hence it is not possible to
+    pass i.e. Japanese command line arguments on a system that runs in a latin1
+    locale. Most modern Unix systems do not have this limitation, as they are
+    Unicode based.
+
+    On NT-based Windows, this limitation does not apply either.
+    On Windows, the arguments() are not built from the contents of argv/argc, as
+    the content does not support Unicode. Instead, the arguments() are constructed
+    from the return value of
+    \l{http://msdn2.microsoft.com/en-us/library/ms683156(VS.85).aspx}{GetCommandLine()}.
+    As a result of this, the string given by arguments().at(0) might not be
+    the program name on Windows, depending on how the application was started.
+
+    \sa applicationFilePath()
+*/
+
+QStringList QCoreApplication::arguments()
+{
+    QStringList list;
+
+    if (!self) {
+        qWarning("QCoreApplication::arguments: Please instantiate the QApplication object first");
+        return list;
+    }
+#ifdef Q_OS_WIN
+    QString cmdline = QT_WA_INLINE(QString::fromUtf16((unsigned short *)GetCommandLineW()), QString::fromLocal8Bit(GetCommandLineA()));
+
+#if defined(Q_OS_WINCE)
+    wchar_t tempFilename[MAX_PATH+1];
+    if (GetModuleFileNameW(0, tempFilename, MAX_PATH)) {
+        tempFilename[MAX_PATH] = 0;
+        cmdline.prepend(QString(QLatin1String("\"")) + QString::fromUtf16((unsigned short *)tempFilename) + QString(QLatin1String("\" ")));
+    }
+#endif // Q_OS_WINCE
+
+    list = qWinCmdArgs(cmdline);
+    if (self->d_func()->application_type) { // GUI app? Skip known - see qapplication.cpp
+        QStringList stripped;
+        for (int a = 0; a < list.count(); ++a) {
+            QString arg = list.at(a);
+            QByteArray l1arg = arg.toLatin1();
+            if (l1arg == "-qdevel" ||
+                l1arg == "-qdebug" ||
+                l1arg == "-reverse" ||
+                l1arg == "-stylesheet" ||
+                l1arg == "-widgetcount" ||
+                l1arg == "-direct3d")
+                ;
+            else if (l1arg.startsWith("-style="))
+                ;
+            else if (l1arg == "-style" ||
+                     l1arg == "-session" ||
+                     l1arg == "-graphicssystem")
+                ++a;
+            else
+                stripped += arg;
+        }
+        list = stripped;
+    }
+#else
+    const int ac = self->d_func()->argc;
+    char ** const av = self->d_func()->argv;
+    for (int a = 0; a < ac; ++a) {
+        list << QString::fromLocal8Bit(av[a]);
+    }
+#endif
+
+    return list;
+}
+
+/*!
+    \property QCoreApplication::organizationName
+    \brief the name of the organization that wrote this application
+
+    The value is used by the QSettings class when it is constructed
+    using the empty constructor. This saves having to repeat this
+    information each time a QSettings object is created.
+
+    On Mac, QSettings uses organizationDomain() as the organization
+    if it's not an empty string; otherwise it uses
+    organizationName(). On all other platforms, QSettings uses
+    organizationName() as the organization.
+
+    \sa organizationDomain applicationName
+*/
+
+void QCoreApplication::setOrganizationName(const QString &orgName)
+{
+    coreappdata()->orgName = orgName;
+}
+
+QString QCoreApplication::organizationName()
+{
+    return coreappdata()->orgName;
+}
+
+/*!
+    \property QCoreApplication::organizationDomain
+    \brief the Internet domain of the organization that wrote this application
+
+    The value is used by the QSettings class when it is constructed
+    using the empty constructor. This saves having to repeat this
+    information each time a QSettings object is created.
+
+    On Mac, QSettings uses organizationDomain() as the organization
+    if it's not an empty string; otherwise it uses organizationName().
+    On all other platforms, QSettings uses organizationName() as the
+    organization.
+
+    \sa organizationName applicationName applicationVersion
+*/
+void QCoreApplication::setOrganizationDomain(const QString &orgDomain)
+{
+    coreappdata()->orgDomain = orgDomain;
+}
+
+QString QCoreApplication::organizationDomain()
+{
+    return coreappdata()->orgDomain;
+}
+
+/*!
+    \property QCoreApplication::applicationName
+    \brief the name of this application
+
+    The value is used by the QSettings class when it is constructed
+    using the empty constructor. This saves having to repeat this
+    information each time a QSettings object is created.
+
+    \sa organizationName organizationDomain applicationVersion
+*/
+void QCoreApplication::setApplicationName(const QString &application)
+{
+    coreappdata()->application = application;
+}
+
+QString QCoreApplication::applicationName()
+{
+    return coreappdata()->application;
+}
+
+/*!
+    \property QCoreApplication::applicationVersion
+    \since 4.4
+    \brief the version of this application
+
+    \sa applicationName organizationName organizationDomain
+*/
+void QCoreApplication::setApplicationVersion(const QString &version)
+{
+    coreappdata()->applicationVersion = version;
+}
+
+QString QCoreApplication::applicationVersion()
+{
+    return coreappdata()->applicationVersion;
+}
+
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+
+Q_GLOBAL_STATIC_WITH_ARGS(QMutex, libraryPathMutex, (QMutex::Recursive))
+
+/*!
+    Returns a list of paths that the application will search when
+    dynamically loading libraries.
+
+    Qt provides default library paths, but they can also be set using
+    a \l{Using qt.conf}{qt.conf} file. Paths specified in this file
+    will override default values.
+
+    This list will include the installation directory for plugins if
+    it exists (the default installation directory for plugins is \c
+    INSTALL/plugins, where \c INSTALL is the directory where Qt was
+    installed).  The directory of the application executable (NOT the
+    working directory) is always added, as well as the colon separated
+    entries of the QT_PLUGIN_PATH environment variable.
+
+    If you want to iterate over the list, you can use the \l foreach
+    pseudo-keyword:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp 2
+
+    \sa setLibraryPaths(), addLibraryPath(), removeLibraryPath(), QLibrary,
+        {How to Create Qt Plugins}
+*/
+QStringList QCoreApplication::libraryPaths()
+{
+    QMutexLocker locker(libraryPathMutex());
+    if (!coreappdata()->app_libpaths) {
+        QStringList *app_libpaths = coreappdata()->app_libpaths = new QStringList;
+        QString installPathPlugins =  QLibraryInfo::location(QLibraryInfo::PluginsPath);
+        if (QFile::exists(installPathPlugins)) {
+            // Make sure we convert from backslashes to slashes.
+            installPathPlugins = QDir(installPathPlugins).canonicalPath();
+            if (!app_libpaths->contains(installPathPlugins))
+                app_libpaths->append(installPathPlugins);
+        }
+
+        // If QCoreApplication is not yet instantiated,
+        // make sure we add the application path when we construct the QCoreApplication
+        if (self) self->d_func()->appendApplicationPathToLibraryPaths();
+
+        const QByteArray libPathEnv = qgetenv("QT_PLUGIN_PATH");
+        if (!libPathEnv.isEmpty()) {
+#ifdef Q_OS_WIN
+            QLatin1Char pathSep(';');
+#else
+            QLatin1Char pathSep(':');
+#endif
+            QStringList paths = QString::fromLatin1(libPathEnv).split(pathSep, QString::SkipEmptyParts);
+            for (QStringList::const_iterator it = paths.constBegin(); it != paths.constEnd(); ++it) {
+                QString canonicalPath = QDir(*it).canonicalPath();
+                if (!canonicalPath.isEmpty()
+                    && !app_libpaths->contains(canonicalPath)) {
+                    app_libpaths->append(canonicalPath);
+                }
+            }
+        }
+    }
+    return *(coreappdata()->app_libpaths);
+}
+
+
+
+/*!
+
+    Sets the list of directories to search when loading libraries to
+    \a paths. All existing paths will be deleted and the path list
+    will consist of the paths given in \a paths.
+
+    \sa libraryPaths(), addLibraryPath(), removeLibraryPath(), QLibrary
+ */
+void QCoreApplication::setLibraryPaths(const QStringList &paths)
+{
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+    QMutexLocker locker(libraryPathMutex());
+    if (!coreappdata()->app_libpaths)
+        coreappdata()->app_libpaths = new QStringList;
+    *(coreappdata()->app_libpaths) = paths;
+    QFactoryLoader::refreshAll();
+#endif
+}
+
+/*!
+  Prepends \a path to the beginning of the library path list, ensuring that
+  it is searched for libraries first. If \a path is empty or already in the
+  path list, the path list is not changed.
+
+  The default path list consists of a single entry, the installation
+  directory for plugins.  The default installation directory for plugins
+  is \c INSTALL/plugins, where \c INSTALL is the directory where Qt was
+  installed.
+
+  \sa removeLibraryPath(), libraryPaths(), setLibraryPaths()
+ */
+void QCoreApplication::addLibraryPath(const QString &path)
+{
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+    if (path.isEmpty())
+        return;
+
+    QMutexLocker locker(libraryPathMutex());
+
+    // make sure that library paths is initialized
+    libraryPaths();
+
+    QString canonicalPath = QDir(path).canonicalPath();
+    if (!canonicalPath.isEmpty()
+        && !coreappdata()->app_libpaths->contains(canonicalPath)) {
+        coreappdata()->app_libpaths->prepend(canonicalPath);
+        QFactoryLoader::refreshAll();
+    }
+#endif
+}
+
+/*!
+    Removes \a path from the library path list. If \a path is empty or not
+    in the path list, the list is not changed.
+
+    \sa addLibraryPath(), libraryPaths(), setLibraryPaths()
+*/
+void QCoreApplication::removeLibraryPath(const QString &path)
+{
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+    if (path.isEmpty())
+        return;
+
+    QMutexLocker locker(libraryPathMutex());
+
+    // make sure that library paths is initialized
+    libraryPaths();
+
+    QString canonicalPath = QDir(path).canonicalPath();
+    coreappdata()->app_libpaths->removeAll(canonicalPath);
+    QFactoryLoader::refreshAll();
+#endif
+}
+
+#endif //QT_NO_LIBRARY
+
+/*!
+    \typedef QCoreApplication::EventFilter
+
+    A function with the following signature that can be used as an
+    event filter:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp 3
+
+    \sa setEventFilter()
+*/
+
+/*!
+    \fn EventFilter QCoreApplication::setEventFilter(EventFilter filter)
+
+    Sets the event filter \a filter. Returns a pointer to the filter
+    function previously defined.
+
+    The event filter is a function that is called for every message
+    received in all threads. This does \e not include messages to
+    objects that are not handled by Qt.
+
+    The function can return true to stop the event to be processed by
+    Qt, or false to continue with the standard event processing.
+
+    Only one filter can be defined, but the filter can use the return
+    value to call the previously set event filter. By default, no
+    filter is set (i.e., the function returns 0).
+
+    \sa installEventFilter()
+*/
+QCoreApplication::EventFilter
+QCoreApplication::setEventFilter(QCoreApplication::EventFilter filter)
+{
+    Q_D(QCoreApplication);
+    EventFilter old = d->eventFilter;
+    d->eventFilter = filter;
+    return old;
+}
+
+/*!
+    Sends \a message through the event filter that was set by
+    setEventFilter(). If no event filter has been set, this function
+    returns false; otherwise, this function returns the result of the
+    event filter function in the \a result parameter.
+
+    \sa setEventFilter()
+*/
+bool QCoreApplication::filterEvent(void *message, long *result)
+{
+    Q_D(QCoreApplication);
+    if (result)
+        *result = 0;
+    if (d->eventFilter)
+        return d->eventFilter(message, result);
+#ifdef Q_OS_WIN
+    return winEventFilter(reinterpret_cast<MSG *>(message), result);
+#else
+    return false;
+#endif
+}
+
+/*!
+    This function returns true if there are pending events; otherwise
+    returns false. Pending events can be either from the window
+    system or posted events using postEvent().
+
+    \sa QAbstractEventDispatcher::hasPendingEvents()
+*/
+bool QCoreApplication::hasPendingEvents()
+{
+    QAbstractEventDispatcher *eventDispatcher = QAbstractEventDispatcher::instance();
+    if (eventDispatcher)
+        return eventDispatcher->hasPendingEvents();
+    return false;
+}
+
+#ifdef QT3_SUPPORT
+/*! \fn void QCoreApplication::lock()
+
+    In Qt 3, this function locked the Qt library mutex, allowing
+    non-GUI threads to perform basic printing operations using
+    QPainter.
+
+    In Qt 4, this is no longer supported, since painting is only
+    supported from within a paint event handler. This function does
+    nothing.
+
+    \sa QWidget::paintEvent()
+*/
+
+/*! \fn void QCoreApplication::unlock(bool wakeUpGui)
+
+    In Qt 3, this function unlocked the Qt library mutex. The mutex
+    allowed non-GUI threads to perform basic printing operations
+    using QPainter.
+
+    In Qt 4, this is no longer supported, since painting is only
+    supported from within a paint event handler. This function does
+    nothing.
+*/
+
+/*! \fn bool QCoreApplication::locked()
+
+    This function does nothing. It is there to keep old code working.
+    It always returns false.
+
+    See lock() for details.
+*/
+
+/*! \fn bool QCoreApplication::tryLock()
+
+    This function does nothing. It is there to keep old code working.
+    It always returns false.
+
+    See lock() for details.
+*/
+
+/*! \fn void QCoreApplication::processOneEvent()
+    \obsolete
+
+    Waits for an event to occur, processes it, then returns.
+
+    This function is useful for adapting Qt to situations where the
+    event processing must be grafted onto existing program loops.
+
+    Using this function in new applications may be an indication of design
+    problems.
+
+    \sa processEvents(), exec(), QTimer
+*/
+
+/*! \obsolete
+
+    This function enters the main event loop (recursively). Do not call
+    it unless you really know what you are doing.
+*/
+int QCoreApplication::enter_loop()
+{
+    if (!QCoreApplicationPrivate::checkInstance("enter_loop"))
+        return -1;
+    if (QThreadData::current() != self->d_func()->threadData) {
+        qWarning("QCoreApplication::enter_loop: Must be called from the main thread");
+        return -1;
+    }
+    QEventLoop eventLoop;
+    int returnCode = eventLoop.exec();
+    return returnCode;
+}
+
+/*! \obsolete
+
+    This function exits from a recursive call to the main event loop.
+    Do not call it unless you are an expert.
+*/
+void QCoreApplication::exit_loop()
+{
+    if (!QCoreApplicationPrivate::checkInstance("exit_loop"))
+        return;
+    QThreadData *data = QThreadData::current();
+    if (data != self->d_func()->threadData) {
+        qWarning("QCoreApplication::exit_loop: Must be called from the main thread");
+        return;
+    }
+    if (!data->eventLoops.isEmpty())
+        data->eventLoops.top()->exit();
+}
+
+/*! \obsolete
+
+    Returns the current loop level.
+*/
+int QCoreApplication::loopLevel()
+{
+    if (!QCoreApplicationPrivate::checkInstance("loopLevel"))
+        return -1;
+    return self->d_func()->threadData->eventLoops.size();
+}
+#endif
+
+/*!
+    \fn void QCoreApplication::watchUnixSignal(int signal, bool watch)
+    \internal
+*/
+
+/*!
+    \fn void QCoreApplication::unixSignal(int number)
+    \internal
+
+    This signal is emitted whenever a Unix signal is received by the
+    application. The Unix signal received is specified by its \a number.
+*/
+
+/*!
+    \fn void qAddPostRoutine(QtCleanUpFunction ptr)
+    \relates QCoreApplication
+
+    Adds a global routine that will be called from the QApplication
+    destructor. This function is normally used to add cleanup routines
+    for program-wide functionality.
+
+    The function specified by \a ptr should take no arguments and should
+    return nothing. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp 4
+
+    Note that for an application- or module-wide cleanup,
+    qAddPostRoutine() is often not suitable. For example, if the
+    program is split into dynamically loaded modules, the relevant
+    module may be unloaded long before the QApplication destructor is
+    called.
+
+    For modules and libraries, using a reference-counted
+    initialization manager or Qt's parent-child deletion mechanism may
+    be better. Here is an example of a private class that uses the
+    parent-child mechanism to call a cleanup function at the right
+    time:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp 5
+
+    By selecting the right parent object, this can often be made to
+    clean up the module's data at the right moment.
+*/
+
+/*!
+    \macro Q_DECLARE_TR_FUNCTIONS(context)
+    \relates QCoreApplication
+
+    The Q_DECLARE_TR_FUNCTIONS() macro declares and implements two
+    translation functions, \c tr() and \c trUtf8(), with these
+    signatures:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp 6
+
+    This macro is useful if you want to use QObject::tr() or
+    QObject::trUtf8() in classes that don't inherit from QObject.
+
+    Q_DECLARE_TR_FUNCTIONS() must appear at the very top of the
+    class definition (before the first \c{public:} or \c{protected:}).
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp 7
+
+    The \a context parameter is normally the class name, but it can
+    be any string.
+
+    \sa Q_OBJECT, QObject::tr(), QObject::trUtf8()
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qcoreapplication.h b/src/corelib/kernel/qcoreapplication.h
new file mode 100644
index 0000000000..f7175ae84b
--- /dev/null
+++ b/src/corelib/kernel/qcoreapplication.h
@@ -0,0 +1,279 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOREAPPLICATION_H
+#define QCOREAPPLICATION_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qcoreevent.h>
+#include <QtCore/qeventloop.h>
+
+#ifdef QT_INCLUDE_COMPAT
+#include <QtCore/qstringlist.h>
+#endif
+
+#if defined(Q_WS_WIN) && !defined(tagMSG)
+typedef struct tagMSG MSG;
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QCoreApplicationPrivate;
+class QTextCodec;
+class QTranslator;
+class QPostEventList;
+class QStringList;
+
+#define qApp QCoreApplication::instance()
+
+class Q_CORE_EXPORT QCoreApplication : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QString applicationName READ applicationName WRITE setApplicationName)
+    Q_PROPERTY(QString applicationVersion READ applicationVersion WRITE setApplicationVersion)
+    Q_PROPERTY(QString organizationName READ organizationName WRITE setOrganizationName)
+    Q_PROPERTY(QString organizationDomain READ organizationDomain WRITE setOrganizationDomain)
+
+    Q_DECLARE_PRIVATE(QCoreApplication)
+public:
+    QCoreApplication(int &argc, char **argv);
+    ~QCoreApplication();
+
+#ifdef QT_DEPRECATED
+    QT_DEPRECATED static int argc();
+    QT_DEPRECATED static char **argv();
+#endif
+    static QStringList arguments();
+
+    static void setAttribute(Qt::ApplicationAttribute attribute, bool on = true);
+    static bool testAttribute(Qt::ApplicationAttribute attribute);
+
+    static void setOrganizationDomain(const QString &orgDomain);
+    static QString organizationDomain();
+    static void setOrganizationName(const QString &orgName);
+    static QString organizationName();
+    static void setApplicationName(const QString &application);
+    static QString applicationName();
+    static void setApplicationVersion(const QString &version);
+    static QString applicationVersion();
+
+    static QCoreApplication *instance() { return self; }
+
+    static int exec();
+    static void processEvents(QEventLoop::ProcessEventsFlags flags = QEventLoop::AllEvents);
+    static void processEvents(QEventLoop::ProcessEventsFlags flags, int maxtime);
+    static void exit(int retcode=0);
+
+    static bool sendEvent(QObject *receiver, QEvent *event);
+    static void postEvent(QObject *receiver, QEvent *event);
+    static void postEvent(QObject *receiver, QEvent *event, int priority);
+    static void sendPostedEvents(QObject *receiver, int event_type);
+    static void sendPostedEvents();
+    static void removePostedEvents(QObject *receiver);
+    static void removePostedEvents(QObject *receiver, int eventType);
+    static bool hasPendingEvents();
+
+    virtual bool notify(QObject *, QEvent *);
+
+    static bool startingUp();
+    static bool closingDown();
+
+    static QString applicationDirPath();
+    static QString applicationFilePath();
+    static qint64 applicationPid();
+
+#ifndef QT_NO_LIBRARY
+    static void setLibraryPaths(const QStringList &);
+    static QStringList libraryPaths();
+    static void addLibraryPath(const QString &);
+    static void removeLibraryPath(const QString &);
+#endif // QT_NO_LIBRARY
+
+#ifndef QT_NO_TRANSLATION
+    static void installTranslator(QTranslator * messageFile);
+    static void removeTranslator(QTranslator * messageFile);
+#endif
+    enum Encoding { CodecForTr, UnicodeUTF8, DefaultCodec = CodecForTr };
+    // ### Qt 5: merge
+    static QString translate(const char * context,
+                             const char * key,
+                             const char * disambiguation = 0,
+                             Encoding encoding = CodecForTr);
+    static QString translate(const char * context,
+                             const char * key,
+                             const char * disambiguation,
+                             Encoding encoding, int n);
+
+    static void flush();
+
+#if defined(QT3_SUPPORT)
+    inline QT3_SUPPORT void lock() {}
+    inline QT3_SUPPORT void unlock(bool = true) {}
+    inline QT3_SUPPORT bool locked() { return false; }
+    inline QT3_SUPPORT bool tryLock() { return false; }
+
+    static inline QT3_SUPPORT void processOneEvent()
+    { processEvents(QEventLoop::WaitForMoreEvents); }
+    static QT3_SUPPORT int enter_loop();
+    static QT3_SUPPORT void exit_loop();
+    static QT3_SUPPORT int loopLevel();
+#endif
+
+#if defined(Q_WS_WIN)
+    virtual bool winEventFilter(MSG *message, long *result);
+#endif
+
+#ifdef Q_OS_UNIX
+    static void watchUnixSignal(int signal, bool watch);
+#endif
+
+    typedef bool (*EventFilter)(void *message, long *result);
+    EventFilter setEventFilter(EventFilter filter);
+    bool filterEvent(void *message, long *result);
+
+public Q_SLOTS:
+    static void quit();
+
+Q_SIGNALS:
+    void aboutToQuit();
+    void unixSignal(int);
+
+protected:
+    bool event(QEvent *);
+
+    virtual bool compressEvent(QEvent *, QObject *receiver, QPostEventList *);
+
+protected:
+    QCoreApplication(QCoreApplicationPrivate &p);
+
+private:
+    static bool sendSpontaneousEvent(QObject *receiver, QEvent *event);
+    bool notifyInternal(QObject *receiver, QEvent *event);
+
+    void init();
+
+    static QCoreApplication *self;
+
+    friend class QEventDispatcherUNIXPrivate;
+    friend class QApplication;
+    friend class QApplicationPrivate;
+    friend class QETWidget;
+    friend class Q3AccelManager;
+    friend class QShortcutMap;
+    friend class QWidget;
+    friend class QWidgetPrivate;
+    friend bool qt_sendSpontaneousEvent(QObject*, QEvent*);
+    friend Q_CORE_EXPORT QString qAppName();
+    friend class QClassFactory;
+};
+
+inline bool QCoreApplication::sendEvent(QObject *receiver, QEvent *event)
+{  if (event) event->spont = false; return self ? self->notifyInternal(receiver, event) : false; }
+
+inline bool QCoreApplication::sendSpontaneousEvent(QObject *receiver, QEvent *event)
+{ if (event) event->spont = true; return self ? self->notifyInternal(receiver, event) : false; }
+
+inline void QCoreApplication::sendPostedEvents() { sendPostedEvents(0, 0); }
+
+#ifdef QT_NO_TRANSLATION
+// Simple versions
+inline QString QCoreApplication::translate(const char *, const char *sourceText,
+                                           const char *, Encoding encoding)
+{
+#ifndef QT_NO_TEXTCODEC
+    if (encoding == UnicodeUTF8)
+        return QString::fromUtf8(sourceText);
+#else
+    Q_UNUSED(encoding)
+#endif
+    return QString::fromLatin1(sourceText);
+}
+
+// Simple versions
+inline QString QCoreApplication::translate(const char *, const char *sourceText,
+                                           const char *, Encoding encoding, int)
+{
+#ifndef QT_NO_TEXTCODEC
+    if (encoding == UnicodeUTF8)
+        return QString::fromUtf8(sourceText);
+#else
+    Q_UNUSED(encoding)
+#endif
+    return QString::fromLatin1(sourceText);
+}
+#endif
+
+// ### merge the four functions into two (using "int n = -1")
+#define Q_DECLARE_TR_FUNCTIONS(context) \
+public: \
+    static inline QString tr(const char *sourceText, const char *disambiguation = 0) \
+        { return QCoreApplication::translate(#context, sourceText, disambiguation); } \
+    static inline QString trUtf8(const char *sourceText, const char *disambiguation = 0) \
+        { return QCoreApplication::translate(#context, sourceText, disambiguation, \
+                                             QCoreApplication::UnicodeUTF8); } \
+    static inline QString tr(const char *sourceText, const char *disambiguation, int n) \
+        { return QCoreApplication::translate(#context, sourceText, disambiguation, \
+                                             QCoreApplication::CodecForTr, n); } \
+    static inline QString trUtf8(const char *sourceText, const char *disambiguation, int n) \
+        { return QCoreApplication::translate(#context, sourceText, disambiguation, \
+                                             QCoreApplication::UnicodeUTF8, n); } \
+private:
+
+typedef void (*QtCleanUpFunction)();
+
+Q_CORE_EXPORT void qAddPostRoutine(QtCleanUpFunction);
+Q_CORE_EXPORT void qRemovePostRoutine(QtCleanUpFunction);
+Q_CORE_EXPORT QString qAppName();                // get application name
+
+#if defined(Q_WS_WIN) && !defined(QT_NO_DEBUG_STREAM)
+Q_CORE_EXPORT QString decodeMSG(const MSG &);
+Q_CORE_EXPORT QDebug operator<<(QDebug, const MSG &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QCOREAPPLICATION_H
diff --git a/src/corelib/kernel/qcoreapplication_mac.cpp b/src/corelib/kernel/qcoreapplication_mac.cpp
new file mode 100644
index 0000000000..4e34a10095
--- /dev/null
+++ b/src/corelib/kernel/qcoreapplication_mac.cpp
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcoreapplication.h"
+#include "private/qcoreapplication_p.h"
+#include <private/qcore_mac_p.h>
+
+QT_BEGIN_NAMESPACE
+
+/*****************************************************************************
+  QCoreApplication utility functions
+ *****************************************************************************/
+QString qAppFileName()
+{
+    static QString appFileName;
+    if (appFileName.isEmpty()) {
+        QCFType<CFURLRef> bundleURL(CFBundleCopyExecutableURL(CFBundleGetMainBundle()));
+        if(bundleURL) {
+            QCFString cfPath(CFURLCopyFileSystemPath(bundleURL, kCFURLPOSIXPathStyle));
+            if(cfPath)
+                appFileName = cfPath;
+        }
+    }
+    return appFileName;
+}
+
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qcoreapplication_p.h b/src/corelib/kernel/qcoreapplication_p.h
new file mode 100644
index 0000000000..9490ad7dd5
--- /dev/null
+++ b/src/corelib/kernel/qcoreapplication_p.h
@@ -0,0 +1,126 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOREAPPLICATION_P_H
+#define QCOREAPPLICATION_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qcoreapplication.h"
+#include "QtCore/qtranslator.h"
+#include "private/qobject_p.h"
+
+QT_BEGIN_NAMESPACE
+
+typedef QList<QTranslator*> QTranslatorList;
+
+class QAbstractEventDispatcher;
+
+class Q_CORE_EXPORT QCoreApplicationPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QCoreApplication)
+
+public:
+    QCoreApplicationPrivate(int &aargc,  char **aargv);
+    ~QCoreApplicationPrivate();
+
+    bool sendThroughApplicationEventFilters(QObject *, QEvent *);
+    bool sendThroughObjectEventFilters(QObject *, QEvent *);
+    bool notify_helper(QObject *, QEvent *);
+
+    virtual QString appName() const;
+    virtual void createEventDispatcher();
+    static void removePostedEvent(QEvent *);
+#ifdef Q_OS_WIN
+    static void removePostedTimerEvent(QObject *object, int timerId);
+#endif
+
+#ifdef Q_OS_MAC
+    static QString macMenuBarName();
+#endif
+
+    static QThread *theMainThread;
+    static QThread *mainThread();
+    static bool checkInstance(const char *method);
+    static void sendPostedEvents(QObject *receiver, int event_type, QThreadData *data);
+    static void removePostedEvents_unlocked(QObject *receiver, int type, QThreadData *data);
+
+#if !defined (QT_NO_DEBUG) || defined (QT_MAC_FRAMEWORK_BUILD)
+    void checkReceiverThread(QObject *receiver);
+#endif
+    int &argc;
+    char **argv;
+    void appendApplicationPathToLibraryPaths(void);
+
+#ifndef QT_NO_TRANSLATION
+    QTranslatorList translators;
+#endif
+    uint application_type;
+
+    QCoreApplication::EventFilter eventFilter;
+
+    bool in_exec;
+    bool aboutToQuitEmitted;
+    QString cachedApplicationDirPath;
+    QString cachedApplicationFilePath;
+
+    static bool isTranslatorInstalled(QTranslator *translator);
+
+    static QAbstractEventDispatcher *eventDispatcher;
+    static bool is_app_running;
+    static bool is_app_closing;
+
+    static uint attribs;
+    static inline bool testAttribute(uint flag) { return attribs & (1 << flag); }
+};
+
+QT_END_NAMESPACE
+
+#endif // QCOREAPPLICATION_P_H
diff --git a/src/corelib/kernel/qcoreapplication_win.cpp b/src/corelib/kernel/qcoreapplication_win.cpp
new file mode 100644
index 0000000000..225821f073
--- /dev/null
+++ b/src/corelib/kernel/qcoreapplication_win.cpp
@@ -0,0 +1,1042 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcoreapplication.h"
+#include "qcoreapplication_p.h"
+#include "qstringlist.h"
+#include "qt_windows.h"
+#include "qvector.h"
+#include "qmutex.h"
+#include "qcorecmdlineargs_p.h"
+#include <private/qthread_p.h>
+#include <ctype.h>
+
+QT_BEGIN_NAMESPACE
+
+// ############### DON'T EXPORT HERE!!!
+Q_CORE_EXPORT char         appFileName[MAX_PATH+1];                // application file name
+Q_CORE_EXPORT char         theAppName[MAX_PATH+1];                        // application name
+Q_CORE_EXPORT HINSTANCE appInst        = 0;                // handle to app instance
+Q_CORE_EXPORT HINSTANCE appPrevInst        = 0;                // handle to prev app instance
+Q_CORE_EXPORT int appCmdShow = 0;
+bool usingWinMain = false;  // whether the qWinMain() is used or not
+
+Q_CORE_EXPORT HINSTANCE qWinAppInst()                // get Windows app handle
+{
+    return appInst;
+}
+
+Q_CORE_EXPORT HINSTANCE qWinAppPrevInst()                // get Windows prev app handle
+{
+    return appPrevInst;
+}
+
+void set_winapp_name()
+{
+    static bool already_set = false;
+    if (!already_set) {
+        already_set = true;
+#ifndef Q_OS_WINCE
+        GetModuleFileNameA(0, appFileName, sizeof(appFileName));
+        appFileName[sizeof(appFileName)-1] = 0;
+#else
+        QString afm;
+        afm.resize(sizeof(appFileName));
+        afm.resize(GetModuleFileName(0, (wchar_t *) (afm.unicode()), sizeof(appFileName)));
+        memcpy(appFileName, afm.toLatin1(), sizeof(appFileName));
+#endif
+        const char *p = strrchr(appFileName, '\\');        // skip path
+        if (p)
+            memcpy(theAppName, p+1, qstrlen(p));
+        int l = qstrlen(theAppName);
+        if ((l > 4) && !qstricmp(theAppName + l - 4, ".exe"))
+            theAppName[l-4] = '\0';                // drop .exe extension
+    }
+}
+
+Q_CORE_EXPORT QString qAppFileName()                // get application file name
+{
+    return QString::fromLatin1(appFileName);
+}
+
+QString QCoreApplicationPrivate::appName() const
+{
+    if (!theAppName[0])
+        set_winapp_name();
+    return QString::fromLatin1(theAppName);
+}
+
+class QWinMsgHandlerCriticalSection
+{
+    CRITICAL_SECTION cs;
+public:
+    QWinMsgHandlerCriticalSection()
+    { InitializeCriticalSection(&cs); }
+    ~QWinMsgHandlerCriticalSection()
+    { DeleteCriticalSection(&cs); }
+
+    void lock()
+    { EnterCriticalSection(&cs); }
+    void unlock()
+    { LeaveCriticalSection(&cs); }
+};
+
+Q_CORE_EXPORT void qWinMsgHandler(QtMsgType t, const char* str)
+{
+    Q_UNUSED(t);
+    // OutputDebugString is not threadsafe.
+
+    // cannot use QMutex here, because qWarning()s in the QMutex
+    // implementation may cause this function to recurse
+    static QWinMsgHandlerCriticalSection staticCriticalSection;
+
+    if (!str)
+        str = "(null)";
+
+    staticCriticalSection.lock();
+    QT_WA({
+        QString s(QString::fromLocal8Bit(str));
+        s += QLatin1String("\n");
+        OutputDebugStringW((TCHAR*)s.utf16());
+    }, {
+        QByteArray s(str);
+        s += "\n";
+        OutputDebugStringA(s.data());
+    })
+    staticCriticalSection.unlock();
+}
+
+
+/*****************************************************************************
+  qWinMain() - Initializes Windows. Called from WinMain() in qtmain_win.cpp
+ *****************************************************************************/
+
+#if defined(Q_OS_WINCE)
+Q_CORE_EXPORT void __cdecl qWinMain(HINSTANCE instance, HINSTANCE prevInstance, LPSTR cmdParam,
+               int cmdShow, int &argc, QVector<char *> &argv)
+#else
+Q_CORE_EXPORT
+void qWinMain(HINSTANCE instance, HINSTANCE prevInstance, LPSTR cmdParam,
+               int cmdShow, int &argc, QVector<char *> &argv)
+#endif
+{
+    static bool already_called = false;
+
+    if (already_called) {
+        qWarning("Qt: Internal error: qWinMain should be called only once");
+        return;
+    }
+    already_called = true;
+    usingWinMain = true;
+
+  // Install default debug handler
+
+    qInstallMsgHandler(qWinMsgHandler);
+
+  // Create command line
+
+    set_winapp_name();
+
+    argv = qWinCmdLine<char>(cmdParam, int(strlen(cmdParam)), argc);
+    // Get Windows parameters
+
+    appInst = instance;
+    appPrevInst = prevInstance;
+    appCmdShow = cmdShow;
+}
+
+/*!
+    The message procedure calls this function for every message
+    received. Reimplement this function if you want to process window
+    messages \a msg that are not processed by Qt. If you don't want
+    the event to be processed by Qt, then return true and set \a result
+    to the value that the window procedure should return. Otherwise
+    return false.
+
+    It is only directly addressed messages that are filtered. To
+    handle system wide messages, such as messages from a registered
+    hot key, you need to install an event filter on the event
+    dispatcher, which is returned from
+    QAbstractEventDispatcher::instance().
+*/
+bool QCoreApplication::winEventFilter(MSG *msg, long *result)        // Windows event filter
+{
+    Q_UNUSED(msg);
+    Q_UNUSED(result);
+    return false;
+}
+
+void QCoreApplicationPrivate::removePostedTimerEvent(QObject *object, int timerId)
+{
+    QThreadData *data = object->d_func()->threadData;
+
+    QMutexLocker locker(&data->postEventList.mutex);
+    if (data->postEventList.size() == 0)
+        return;
+    for (int i = 0; i < data->postEventList.size(); ++i) {
+        const QPostEvent & pe = data->postEventList.at(i);
+        if (pe.receiver == object
+            && pe.event
+            && (pe.event->type() == QEvent::Timer || pe.event->type() == QEvent::ZeroTimerEvent)
+            && static_cast<QTimerEvent *>(pe.event)->timerId() == timerId) {
+                --pe.receiver->d_func()->postedEvents;
+                pe.event->posted = false;
+                delete pe.event;
+                const_cast<QPostEvent &>(pe).event = 0;
+                return;
+            }
+    }
+}
+
+#if defined(Q_WS_WIN) && !defined(QT_NO_DEBUG_STREAM)
+/*****************************************************************************
+  Convenience functions for convert WM_* messages into human readable strings,
+  including a nifty QDebug operator<< for simpel QDebug() << msg output.
+ *****************************************************************************/
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <windowsx.h>
+#include "qdebug.h"
+QT_END_INCLUDE_NAMESPACE
+
+#if !defined(GET_X_LPARAM)
+#  define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
+#  define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
+#endif
+#ifdef _WIN32_WCE
+#  ifndef WM_NCACTIVATE
+#    define WM_NCACTIVATE 0x86
+#  endif
+#endif
+
+// The values below should never change. Note that none of the usual
+// WM_...FIRST & WM_...LAST values are in the list, as they normally have other
+// WM_... representations
+struct {
+    uint WM;
+    const char* str;
+} knownWM[] =
+{{ 0x0000, "WM_NULL" },
+ { 0x0001, "WM_CREATE" },
+ { 0x0002, "WM_DESTROY" },
+ { 0x0003, "WM_MOVE" },
+ { 0x0005, "WM_SIZE" },
+ { 0x0006, "WM_ACTIVATE" },
+ { 0x0007, "WM_SETFOCUS" },
+ { 0x0008, "WM_KILLFOCUS" },
+ { 0x000A, "WM_ENABLE" },
+ { 0x000B, "WM_SETREDRAW" },
+ { 0x000C, "WM_SETTEXT" },
+ { 0x000D, "WM_GETTEXT" },
+ { 0x000E, "WM_GETTEXTLENGTH" },
+ { 0x000F, "WM_PAINT" },
+ { 0x0010, "WM_CLOSE" },
+ { 0x0011, "WM_QUERYENDSESSION" },
+ { 0x0013, "WM_QUERYOPEN" },
+ { 0x0016, "WM_ENDSESSION" },
+ { 0x0012, "WM_QUIT" },
+ { 0x0014, "WM_ERASEBKGND" },
+ { 0x0015, "WM_SYSCOLORCHANGE" },
+ { 0x0018, "WM_SHOWWINDOW" },
+ { 0x001A, "WM_WININICHANGE" },
+ { 0x001B, "WM_DEVMODECHANGE" },
+ { 0x001C, "WM_ACTIVATEAPP" },
+ { 0x001D, "WM_FONTCHANGE" },
+ { 0x001E, "WM_TIMECHANGE" },
+ { 0x001F, "WM_CANCELMODE" },
+ { 0x0020, "WM_SETCURSOR" },
+ { 0x0021, "WM_MOUSEACTIVATE" },
+ { 0x0022, "WM_CHILDACTIVATE" },
+ { 0x0023, "WM_QUEUESYNC" },
+ { 0x0024, "WM_GETMINMAXINFO" },
+ { 0x0026, "WM_PAINTICON" },
+ { 0x0027, "WM_ICONERASEBKGND" },
+ { 0x0028, "WM_NEXTDLGCTL" },
+ { 0x002A, "WM_SPOOLERSTATUS" },
+ { 0x002B, "WM_DRAWITEM" },
+ { 0x002C, "WM_MEASUREITEM" },
+ { 0x002D, "WM_DELETEITEM" },
+ { 0x002E, "WM_VKEYTOITEM" },
+ { 0x002F, "WM_CHARTOITEM" },
+ { 0x0030, "WM_SETFONT" },
+ { 0x0031, "WM_GETFONT" },
+ { 0x0032, "WM_SETHOTKEY" },
+ { 0x0033, "WM_GETHOTKEY" },
+ { 0x0037, "WM_QUERYDRAGICON" },
+ { 0x0039, "WM_COMPAREITEM" },
+ { 0x003D, "WM_GETOBJECT" },
+ { 0x0041, "WM_COMPACTING" },
+ { 0x0044, "WM_COMMNOTIFY" },
+ { 0x0046, "WM_WINDOWPOSCHANGING" },
+ { 0x0047, "WM_WINDOWPOSCHANGED" },
+ { 0x0048, "WM_POWER" },
+ { 0x004A, "WM_COPYDATA" },
+ { 0x004B, "WM_CANCELJOURNAL" },
+ { 0x004E, "WM_NOTIFY" },
+ { 0x0050, "WM_INPUTLANGCHANGEREQUEST" },
+ { 0x0051, "WM_INPUTLANGCHANGE" },
+ { 0x0052, "WM_TCARD" },
+ { 0x0053, "WM_HELP" },
+ { 0x0054, "WM_USERCHANGED" },
+ { 0x0055, "WM_NOTIFYFORMAT" },
+ { 0x007B, "WM_CONTEXTMENU" },
+ { 0x007C, "WM_STYLECHANGING" },
+ { 0x007D, "WM_STYLECHANGED" },
+ { 0x007E, "WM_DISPLAYCHANGE" },
+ { 0x007F, "WM_GETICON" },
+ { 0x0080, "WM_SETICON" },
+ { 0x0081, "WM_NCCREATE" },
+ { 0x0082, "WM_NCDESTROY" },
+ { 0x0083, "WM_NCCALCSIZE" },
+ { 0x0084, "WM_NCHITTEST" },
+ { 0x0085, "WM_NCPAINT" },
+ { 0x0086, "WM_NCACTIVATE" },
+ { 0x0087, "WM_GETDLGCODE" },
+ { 0x0088, "WM_SYNCPAINT" },
+ { 0x00A0, "WM_NCMOUSEMOVE" },
+ { 0x00A1, "WM_NCLBUTTONDOWN" },
+ { 0x00A2, "WM_NCLBUTTONUP" },
+ { 0x00A3, "WM_NCLBUTTONDBLCLK" },
+ { 0x00A4, "WM_NCRBUTTONDOWN" },
+ { 0x00A5, "WM_NCRBUTTONUP" },
+ { 0x00A6, "WM_NCRBUTTONDBLCLK" },
+ { 0x00A7, "WM_NCMBUTTONDOWN" },
+ { 0x00A8, "WM_NCMBUTTONUP" },
+ { 0x00A9, "WM_NCMBUTTONDBLCLK" },
+ { 0x00AB, "WM_NCXBUTTONDOWN" },
+ { 0x00AC, "WM_NCXBUTTONUP" },
+ { 0x00AD, "WM_NCXBUTTONDBLCLK" },
+ { 0x00FF, "WM_INPUT" },
+ { 0x0100, "WM_KEYDOWN" },
+ { 0x0101, "WM_KEYUP" },
+ { 0x0102, "WM_CHAR" },
+ { 0x0103, "WM_DEADCHAR" },
+ { 0x0104, "WM_SYSKEYDOWN" },
+ { 0x0105, "WM_SYSKEYUP" },
+ { 0x0106, "WM_SYSCHAR" },
+ { 0x0107, "WM_SYSDEADCHAR" },
+ { 0x0109, "WM_UNICHAR" },
+ { 0x010D, "WM_IME_STARTCOMPOSITION" },
+ { 0x010E, "WM_IME_ENDCOMPOSITION" },
+ { 0x010F, "WM_IME_COMPOSITION" },
+ { 0x0110, "WM_INITDIALOG" },
+ { 0x0111, "WM_COMMAND" },
+ { 0x0112, "WM_SYSCOMMAND" },
+ { 0x0113, "WM_TIMER" },
+ { 0x0114, "WM_HSCROLL" },
+ { 0x0115, "WM_VSCROLL" },
+ { 0x0116, "WM_INITMENU" },
+ { 0x0117, "WM_INITMENUPOPUP" },
+ { 0x011F, "WM_MENUSELECT" },
+ { 0x0120, "WM_MENUCHAR" },
+ { 0x0121, "WM_ENTERIDLE" },
+ { 0x0122, "WM_MENURBUTTONUP" },
+ { 0x0123, "WM_MENUDRAG" },
+ { 0x0124, "WM_MENUGETOBJECT" },
+ { 0x0125, "WM_UNINITMENUPOPUP" },
+ { 0x0126, "WM_MENUCOMMAND" },
+ { 0x0127, "WM_CHANGEUISTATE" },
+ { 0x0128, "WM_UPDATEUISTATE" },
+ { 0x0129, "WM_QUERYUISTATE" },
+ { 0x0132, "WM_CTLCOLORMSGBOX" },
+ { 0x0133, "WM_CTLCOLOREDIT" },
+ { 0x0134, "WM_CTLCOLORLISTBOX" },
+ { 0x0135, "WM_CTLCOLORBTN" },
+ { 0x0136, "WM_CTLCOLORDLG" },
+ { 0x0137, "WM_CTLCOLORSCROLLBAR" },
+ { 0x0138, "WM_CTLCOLORSTATIC" },
+ { 0x0200, "WM_MOUSEMOVE" },
+ { 0x0201, "WM_LBUTTONDOWN" },
+ { 0x0202, "WM_LBUTTONUP" },
+ { 0x0203, "WM_LBUTTONDBLCLK" },
+ { 0x0204, "WM_RBUTTONDOWN" },
+ { 0x0205, "WM_RBUTTONUP" },
+ { 0x0206, "WM_RBUTTONDBLCLK" },
+ { 0x0207, "WM_MBUTTONDOWN" },
+ { 0x0208, "WM_MBUTTONUP" },
+ { 0x0209, "WM_MBUTTONDBLCLK" },
+ { 0x020A, "WM_MOUSEWHEEL" },
+ { 0x020B, "WM_XBUTTONDOWN" },
+ { 0x020C, "WM_XBUTTONUP" },
+ { 0x020D, "WM_XBUTTONDBLCLK" },
+ { 0x0210, "WM_PARENTNOTIFY" },
+ { 0x0211, "WM_ENTERMENULOOP" },
+ { 0x0212, "WM_EXITMENULOOP" },
+ { 0x0213, "WM_NEXTMENU" },
+ { 0x0214, "WM_SIZING" },
+ { 0x0215, "WM_CAPTURECHANGED" },
+ { 0x0216, "WM_MOVING" },
+ { 0x0218, "WM_POWERBROADCAST" },
+ { 0x0219, "WM_DEVICECHANGE" },
+ { 0x0220, "WM_MDICREATE" },
+ { 0x0221, "WM_MDIDESTROY" },
+ { 0x0222, "WM_MDIACTIVATE" },
+ { 0x0223, "WM_MDIRESTORE" },
+ { 0x0224, "WM_MDINEXT" },
+ { 0x0225, "WM_MDIMAXIMIZE" },
+ { 0x0226, "WM_MDITILE" },
+ { 0x0227, "WM_MDICASCADE" },
+ { 0x0228, "WM_MDIICONARRANGE" },
+ { 0x0229, "WM_MDIGETACTIVE" },
+ { 0x0230, "WM_MDISETMENU" },
+ { 0x0231, "WM_ENTERSIZEMOVE" },
+ { 0x0232, "WM_EXITSIZEMOVE" },
+ { 0x0233, "WM_DROPFILES" },
+ { 0x0234, "WM_MDIREFRESHMENU" },
+ { 0x0281, "WM_IME_SETCONTEXT" },
+ { 0x0282, "WM_IME_NOTIFY" },
+ { 0x0283, "WM_IME_CONTROL" },
+ { 0x0284, "WM_IME_COMPOSITIONFULL" },
+ { 0x0285, "WM_IME_SELECT" },
+ { 0x0286, "WM_IME_CHAR" },
+ { 0x0288, "WM_IME_REQUEST" },
+ { 0x0290, "WM_IME_KEYDOWN" },
+ { 0x0291, "WM_IME_KEYUP" },
+ { 0x02A0, "WM_NCMOUSEHOVER" },
+ { 0x02A1, "WM_MOUSEHOVER" },
+ { 0x02A2, "WM_NCMOUSELEAVE" },
+ { 0x02A3, "WM_MOUSELEAVE" },
+ { 0x02B1, "WM_WTSSESSION_CHANGE" },
+ { 0x02C0, "WM_TABLET_FIRST" },
+ { 0x02C1, "WM_TABLET_FIRST + 1" },
+ { 0x02C2, "WM_TABLET_FIRST + 2" },
+ { 0x02C3, "WM_TABLET_FIRST + 3" },
+ { 0x02C4, "WM_TABLET_FIRST + 4" },
+ { 0x02C5, "WM_TABLET_FIRST + 5" },
+ { 0x02C6, "WM_TABLET_FIRST + 6" },
+ { 0x02C7, "WM_TABLET_FIRST + 7" },
+ { 0x02C8, "WM_TABLET_FIRST + 8" },
+ { 0x02C9, "WM_TABLET_FIRST + 9" },
+ { 0x02CA, "WM_TABLET_FIRST + 10" },
+ { 0x02CB, "WM_TABLET_FIRST + 11" },
+ { 0x02CC, "WM_TABLET_FIRST + 12" },
+ { 0x02CD, "WM_TABLET_FIRST + 13" },
+ { 0x02CE, "WM_TABLET_FIRST + 14" },
+ { 0x02CF, "WM_TABLET_FIRST + 15" },
+ { 0x02D0, "WM_TABLET_FIRST + 16" },
+ { 0x02D1, "WM_TABLET_FIRST + 17" },
+ { 0x02D2, "WM_TABLET_FIRST + 18" },
+ { 0x02D3, "WM_TABLET_FIRST + 19" },
+ { 0x02D4, "WM_TABLET_FIRST + 20" },
+ { 0x02D5, "WM_TABLET_FIRST + 21" },
+ { 0x02D6, "WM_TABLET_FIRST + 22" },
+ { 0x02D7, "WM_TABLET_FIRST + 23" },
+ { 0x02D8, "WM_TABLET_FIRST + 24" },
+ { 0x02D9, "WM_TABLET_FIRST + 25" },
+ { 0x02DA, "WM_TABLET_FIRST + 26" },
+ { 0x02DB, "WM_TABLET_FIRST + 27" },
+ { 0x02DC, "WM_TABLET_FIRST + 28" },
+ { 0x02DD, "WM_TABLET_FIRST + 29" },
+ { 0x02DE, "WM_TABLET_FIRST + 30" },
+ { 0x02DF, "WM_TABLET_LAST" },
+ { 0x0300, "WM_CUT" },
+ { 0x0301, "WM_COPY" },
+ { 0x0302, "WM_PASTE" },
+ { 0x0303, "WM_CLEAR" },
+ { 0x0304, "WM_UNDO" },
+ { 0x0305, "WM_RENDERFORMAT" },
+ { 0x0306, "WM_RENDERALLFORMATS" },
+ { 0x0307, "WM_DESTROYCLIPBOARD" },
+ { 0x0308, "WM_DRAWCLIPBOARD" },
+ { 0x0309, "WM_PAINTCLIPBOARD" },
+ { 0x030A, "WM_VSCROLLCLIPBOARD" },
+ { 0x030B, "WM_SIZECLIPBOARD" },
+ { 0x030C, "WM_ASKCBFORMATNAME" },
+ { 0x030D, "WM_CHANGECBCHAIN" },
+ { 0x030E, "WM_HSCROLLCLIPBOARD" },
+ { 0x030F, "WM_QUERYNEWPALETTE" },
+ { 0x0310, "WM_PALETTEISCHANGING" },
+ { 0x0311, "WM_PALETTECHANGED" },
+ { 0x0312, "WM_HOTKEY" },
+ { 0x0317, "WM_PRINT" },
+ { 0x0318, "WM_PRINTCLIENT" },
+ { 0x0319, "WM_APPCOMMAND" },
+ { 0x031A, "WM_THEMECHANGED" },
+ { 0x0358, "WM_HANDHELDFIRST" },
+ { 0x0359, "WM_HANDHELDFIRST + 1" },
+ { 0x035A, "WM_HANDHELDFIRST + 2" },
+ { 0x035B, "WM_HANDHELDFIRST + 3" },
+ { 0x035C, "WM_HANDHELDFIRST + 4" },
+ { 0x035D, "WM_HANDHELDFIRST + 5" },
+ { 0x035E, "WM_HANDHELDFIRST + 6" },
+ { 0x035F, "WM_HANDHELDLAST" },
+ { 0x0360, "WM_AFXFIRST" },
+ { 0x0361, "WM_AFXFIRST + 1" },
+ { 0x0362, "WM_AFXFIRST + 2" },
+ { 0x0363, "WM_AFXFIRST + 3" },
+ { 0x0364, "WM_AFXFIRST + 4" },
+ { 0x0365, "WM_AFXFIRST + 5" },
+ { 0x0366, "WM_AFXFIRST + 6" },
+ { 0x0367, "WM_AFXFIRST + 7" },
+ { 0x0368, "WM_AFXFIRST + 8" },
+ { 0x0369, "WM_AFXFIRST + 9" },
+ { 0x036A, "WM_AFXFIRST + 10" },
+ { 0x036B, "WM_AFXFIRST + 11" },
+ { 0x036C, "WM_AFXFIRST + 12" },
+ { 0x036D, "WM_AFXFIRST + 13" },
+ { 0x036E, "WM_AFXFIRST + 14" },
+ { 0x036F, "WM_AFXFIRST + 15" },
+ { 0x0370, "WM_AFXFIRST + 16" },
+ { 0x0371, "WM_AFXFIRST + 17" },
+ { 0x0372, "WM_AFXFIRST + 18" },
+ { 0x0373, "WM_AFXFIRST + 19" },
+ { 0x0374, "WM_AFXFIRST + 20" },
+ { 0x0375, "WM_AFXFIRST + 21" },
+ { 0x0376, "WM_AFXFIRST + 22" },
+ { 0x0377, "WM_AFXFIRST + 23" },
+ { 0x0378, "WM_AFXFIRST + 24" },
+ { 0x0379, "WM_AFXFIRST + 25" },
+ { 0x037A, "WM_AFXFIRST + 26" },
+ { 0x037B, "WM_AFXFIRST + 27" },
+ { 0x037C, "WM_AFXFIRST + 28" },
+ { 0x037D, "WM_AFXFIRST + 29" },
+ { 0x037E, "WM_AFXFIRST + 30" },
+ { 0x037F, "WM_AFXLAST" },
+ { 0x0380, "WM_PENWINFIRST" },
+ { 0x0381, "WM_PENWINFIRST + 1" },
+ { 0x0382, "WM_PENWINFIRST + 2" },
+ { 0x0383, "WM_PENWINFIRST + 3" },
+ { 0x0384, "WM_PENWINFIRST + 4" },
+ { 0x0385, "WM_PENWINFIRST + 5" },
+ { 0x0386, "WM_PENWINFIRST + 6" },
+ { 0x0387, "WM_PENWINFIRST + 7" },
+ { 0x0388, "WM_PENWINFIRST + 8" },
+ { 0x0389, "WM_PENWINFIRST + 9" },
+ { 0x038A, "WM_PENWINFIRST + 10" },
+ { 0x038B, "WM_PENWINFIRST + 11" },
+ { 0x038C, "WM_PENWINFIRST + 12" },
+ { 0x038D, "WM_PENWINFIRST + 13" },
+ { 0x038E, "WM_PENWINFIRST + 14" },
+ { 0x038F, "WM_PENWINLAST" },
+ { 0x0400, "WM_USER" },
+ { 0x8000, "WM_APP" },
+ { 0,0 }}; // End of known messages
+
+// Looks up the WM_ message in the table above
+const char* findWMstr(uint msg)
+{
+    uint i = 0;
+    const char* result = 0;
+    // Known WM_'s
+    while (knownWM[i].str && (knownWM[i].WM != msg))
+        ++i;
+    result = knownWM[i].str;
+    return result;
+};
+
+// Convenience function for converting flags and values into readable strings
+struct FLAG_STRING_STRUCT
+{
+    uint value;
+    const char* str;
+};
+
+FLAG_STRING_STRUCT FLAG_STRING(int value = 0, const char *c = 0)
+{
+    FLAG_STRING_STRUCT s = {value, c};
+    return s;
+}
+
+#define FLGSTR(x) FLAG_STRING(x, #x)
+
+// Returns an ORed (" | ") together string for the flags active in the actual
+// value. (...) must consist of FLAG_STRING, with a FLAG_STRING() as the last
+// value in the list passed to the function
+QString flagCheck(uint actual, ...)
+{
+    va_list ap;
+    va_start(ap, actual);
+
+    QString result;
+    int count = 0;
+    FLAG_STRING_STRUCT v;
+    while((v=va_arg(ap,FLAG_STRING_STRUCT)).str) {
+        if ((actual & v.value) == v.value) {
+            if (count++)
+                result += QLatin1String(" | ");
+            result += QString::fromLatin1(v.str);
+        }
+    }
+    va_end(ap);
+    return result;
+};
+
+// Returns the string representation of the value in 'actual'. (...) must
+// consist of FLAG_STRING, with a FLAG_STRING() as the last value in the list
+// passed to the function
+QString valueCheck(uint actual, ...)
+{
+    va_list ap;
+    va_start(ap, actual);
+
+    QString result;
+    FLAG_STRING_STRUCT v;
+    while((v=va_arg(ap,FLAG_STRING_STRUCT)).str && (actual != v.value))
+        ;
+    result = QString::fromLatin1(v.str);
+
+    va_end(ap);
+    return result;
+};
+
+#ifdef Q_CC_BOR
+
+Q_CORE_EXPORT QString decodeMSG(const MSG& msg)
+{
+    return QString::fromLatin1("THis is not supported on Borland");
+}
+
+#else
+
+// Returns a "human readable" string representation of the MSG and the
+// information it points to
+QString decodeMSG(const MSG& msg)
+{
+    const WPARAM wParam = msg.wParam;
+    const LPARAM lParam = msg.lParam;
+    QString wmmsg = QString::fromLatin1(findWMstr(msg.message));
+    // Unknown WM_, so use number
+    if (wmmsg.isEmpty())
+        wmmsg = QString::fromLatin1("WM_(%1)").arg(msg.message);
+
+    QString rawParameters;
+    rawParameters.sprintf("hwnd(0x%p) ", (void *)msg.hwnd);
+
+    // Custom WM_'s
+    if (msg.message > WM_APP)
+        wmmsg = QString::fromLatin1("WM_APP + %1").arg(msg.message - WM_APP);
+    else if (msg.message > WM_USER)
+        wmmsg = QString::fromLatin1("WM_USER + %1").arg(msg.message - WM_USER);
+
+    QString parameters;
+    switch (msg.message) {
+#ifdef WM_ACTIVATE
+        case WM_ACTIVATE:
+            {
+                QString activation = valueCheck(wParam,
+                                                FLAG_STRING(WA_ACTIVE,      "Activate"),
+                                                FLAG_STRING(WA_INACTIVE,    "Deactivate"),
+                                                FLAG_STRING(WA_CLICKACTIVE, "Activate by mouseclick"),
+                                                FLAG_STRING());
+                parameters.sprintf("%s Hwnd (0x%p)", activation.toLatin1().data(), (void *)msg.hwnd);
+            }
+            break;
+#endif
+#ifdef WM_CAPTURECHANGED
+        case WM_CAPTURECHANGED:
+            parameters.sprintf("Hwnd gaining capture (0x%p)", (void *)lParam);
+            break;
+#endif
+#ifdef WM_CREATE
+        case WM_CREATE:
+            {
+                LPCREATESTRUCT lpcs = (LPCREATESTRUCT)lParam;
+                QString styles = flagCheck(lpcs->style,
+                                           FLGSTR(WS_BORDER),
+                                           FLGSTR(WS_CAPTION),
+                                           FLGSTR(WS_CHILD),
+                                           FLGSTR(WS_CLIPCHILDREN),
+                                           FLGSTR(WS_CLIPSIBLINGS),
+                                           FLGSTR(WS_DISABLED),
+                                           FLGSTR(WS_DLGFRAME),
+                                           FLGSTR(WS_GROUP),
+                                           FLGSTR(WS_HSCROLL),
+                                           FLGSTR(WS_OVERLAPPED),
+#if defined(WS_OVERLAPPEDWINDOW) && (WS_OVERLAPPEDWINDOW != 0)
+                                           FLGSTR(WS_OVERLAPPEDWINDOW),
+#endif
+#ifdef WS_ICONIC
+                                           FLGSTR(WS_ICONIC),
+#endif
+                                           FLGSTR(WS_MAXIMIZE),
+                                           FLGSTR(WS_MAXIMIZEBOX),
+                                           FLGSTR(WS_MINIMIZE),
+                                           FLGSTR(WS_MINIMIZEBOX),
+                                           FLGSTR(WS_OVERLAPPEDWINDOW),
+                                           FLGSTR(WS_POPUP),
+#ifdef WS_POPUPWINDOW
+                                           FLGSTR(WS_POPUPWINDOW),
+#endif
+                                           FLGSTR(WS_SIZEBOX),
+                                           FLGSTR(WS_SYSMENU),
+                                           FLGSTR(WS_TABSTOP),
+                                           FLGSTR(WS_THICKFRAME),
+#ifdef WS_TILED
+                                           FLGSTR(WS_TILED),
+#endif
+#ifdef WS_TILEDWINDOW
+                                           FLGSTR(WS_TILEDWINDOW),
+#endif
+                                           FLGSTR(WS_VISIBLE),
+                                           FLGSTR(WS_VSCROLL),
+                                           FLAG_STRING());
+
+                QString exStyles = flagCheck(lpcs->dwExStyle,
+#ifdef WS_EX_ACCEPTFILES
+                                           FLGSTR(WS_EX_ACCEPTFILES),
+#endif
+#ifdef WS_EX_APPWINDOW
+                                           FLGSTR(WS_EX_APPWINDOW),
+#endif
+                                           FLGSTR(WS_EX_CLIENTEDGE),
+                                           FLGSTR(WS_EX_DLGMODALFRAME),
+#ifdef WS_EX_LEFT
+                                           FLGSTR(WS_EX_LEFT),
+#endif
+                                           FLGSTR(WS_EX_LEFTSCROLLBAR),
+#ifdef WS_EX_LTRREADING
+                                           FLGSTR(WS_EX_LTRREADING),
+#endif
+#ifdef WS_EX_MDICHILD
+                                           FLGSTR(WS_EX_MDICHILD),
+#endif
+#ifdef WS_EX_NOACTIVATE
+                                           FLGSTR(WS_EX_NOACTIVATE),
+#endif
+#ifdef WS_EX_NOANIMATION
+                                           FLGSTR(WS_EX_NOANIMATION),
+#endif
+                                           FLGSTR(WS_EX_NOPARENTNOTIFY),
+                                           FLGSTR(WS_EX_OVERLAPPEDWINDOW),
+#ifdef WS_EX_PALETTEWINDOW
+                                           FLGSTR(WS_EX_PALETTEWINDOW),
+#endif
+#ifdef WS_EX_RIGHT
+                                           FLGSTR(WS_EX_RIGHT),
+#endif
+#ifdef WS_EX_RIGHTSCROLLBAR
+                                           FLGSTR(WS_EX_RIGHTSCROLLBAR),
+#endif
+#ifdef WS_EX_RTLREADING
+                                           FLGSTR(WS_EX_RTLREADING),
+#endif
+                                           FLGSTR(WS_EX_STATICEDGE),
+                                           FLGSTR(WS_EX_TOOLWINDOW),
+                                           FLGSTR(WS_EX_TOPMOST),
+#ifdef WS_EX_TRANSPARENT
+                                           FLGSTR(WS_EX_TRANSPARENT),
+#endif
+                                           FLGSTR(WS_EX_WINDOWEDGE),
+#ifdef WS_EX_CAPTIONOKBTN
+                                           FLGSTR(WS_EX_CAPTIONOKBTN),
+#endif
+                                           FLAG_STRING());
+
+                QString className;
+                if (lpcs->lpszClass != 0) {
+                    if (HIWORD(lpcs->lpszClass) == 0) // Atom
+                        className = QString::number(LOWORD(lpcs->lpszClass), 16);
+                    else                              // String
+                        className = QString((QChar*)lpcs->lpszClass,
+                                            (int)wcslen(reinterpret_cast<const wchar_t *>(lpcs->lpszClass)));
+                }
+
+                QString windowName;
+                if (lpcs->lpszName != 0)
+                    windowName = QString((QChar*)lpcs->lpszName,
+                                         (int)wcslen(reinterpret_cast<const wchar_t *>(lpcs->lpszName)));
+
+                parameters.sprintf("x,y(%4d,%4d) w,h(%4d,%4d) className(%s) windowName(%s) parent(0x%p) style(%s) exStyle(%s)",
+                                   lpcs->x, lpcs->y, lpcs->cx, lpcs->cy, className.toLatin1().data(),
+                                   windowName.toLatin1().data(), (void *)lpcs->hwndParent,
+                                   styles.toLatin1().data(), exStyles.toLatin1().data());
+            }
+            break;
+#endif
+#ifdef WM_DESTROY
+        case WM_DESTROY:
+            parameters.sprintf("Destroy hwnd (0x%p)", (void *)msg.hwnd);
+            break;
+#endif
+#ifdef WM_IME_NOTIFY
+        case WM_IME_NOTIFY:
+            {
+                QString imnCommand = valueCheck(wParam,
+                                            FLGSTR(IMN_CHANGECANDIDATE),
+                                            FLGSTR(IMN_CLOSECANDIDATE),
+                                            FLGSTR(IMN_CLOSESTATUSWINDOW),
+                                            FLGSTR(IMN_GUIDELINE),
+                                            FLGSTR(IMN_OPENCANDIDATE),
+                                            FLGSTR(IMN_OPENSTATUSWINDOW),
+                                            FLGSTR(IMN_SETCANDIDATEPOS),
+                                            FLGSTR(IMN_SETCOMPOSITIONFONT),
+                                            FLGSTR(IMN_SETCOMPOSITIONWINDOW),
+                                            FLGSTR(IMN_SETCONVERSIONMODE),
+                                            FLGSTR(IMN_SETOPENSTATUS),
+                                            FLGSTR(IMN_SETSENTENCEMODE),
+                                            FLGSTR(IMN_SETSTATUSWINDOWPOS),
+                                            FLAG_STRING());
+                parameters.sprintf("Command(%s : 0x%p)", imnCommand.toLatin1().data(), (void *)lParam);
+            }
+            break;
+#endif
+#ifdef WM_IME_SETCONTEXT
+        case WM_IME_SETCONTEXT:
+            {
+                bool fSet = (BOOL)wParam;
+                DWORD fShow = (DWORD)lParam;
+                QString showFlgs = flagCheck(fShow,
+#ifdef ISC_SHOWUICOMPOSITIONWINDOW
+                                             FLGSTR(ISC_SHOWUICOMPOSITIONWINDOW),
+#endif
+#ifdef ISC_SHOWUIGUIDWINDOW
+                                             FLGSTR(ISC_SHOWUIGUIDWINDOW),
+#endif
+#ifdef ISC_SHOWUISOFTKBD
+                                             FLGSTR(ISC_SHOWUISOFTKBD),
+#endif
+                                             FLGSTR(ISC_SHOWUICANDIDATEWINDOW),
+                                             FLGSTR(ISC_SHOWUICANDIDATEWINDOW << 1),
+                                             FLGSTR(ISC_SHOWUICANDIDATEWINDOW << 2),
+                                             FLGSTR(ISC_SHOWUICANDIDATEWINDOW << 3),
+                                             FLAG_STRING());
+                parameters.sprintf("Input context(%s) Show flags(%s)", (fSet?"Active":"Inactive"), showFlgs.toLatin1().data());
+            }
+            break;
+#endif
+#ifdef WM_KILLFOCUS
+        case WM_KILLFOCUS:
+            parameters.sprintf("Hwnd gaining keyboard focus (0x%p)", (void *)wParam);
+            break;
+#endif
+#ifdef WM_CHAR
+        case WM_CHAR:
+#endif
+#ifdef WM_IME_CHAR
+        case WM_IME_CHAR:
+#endif
+#ifdef WM_KEYDOWN
+        case WM_KEYDOWN:
+#endif
+#ifdef WM_KEYUP
+        case WM_KEYUP:
+            {
+                int nVirtKey     = (int)wParam;
+                long lKeyData    = (long)lParam;
+                int repCount     = (lKeyData & 0xffff);        // Bit 0-15
+                int scanCode     = (lKeyData & 0xf0000) >> 16; // Bit 16-23
+                bool contextCode = (lKeyData && 0x20000000);   // Bit 29
+                bool prevState   = (lKeyData && 0x40000000);   // Bit 30
+                bool transState  = (lKeyData && 0x80000000);   // Bit 31
+                parameters.sprintf("Virual-key(0x%x) Scancode(%d) Rep(%d) Contextcode(%d), Prev state(%d), Trans state(%d)",
+                                   nVirtKey, scanCode, repCount, contextCode, prevState, transState);
+            }
+            break;
+#endif
+#ifdef WM_NCACTIVATE
+        case WM_NCACTIVATE:
+            {
+            parameters = (msg.wParam? QLatin1String("Active Titlebar") : QLatin1String("Inactive Titlebar"));
+            }
+            break;
+#endif
+#ifdef WM_MOUSEACTIVATE
+        case WM_MOUSEACTIVATE:
+            {
+                QString mouseMsg = QString::fromLatin1(findWMstr(HIWORD(lParam)));
+                parameters.sprintf("TLW(0x%p) HittestCode(0x%x) MouseMsg(%s)", (void *)wParam, LOWORD(lParam), mouseMsg.toLatin1().data());
+            }
+            break;
+#endif
+#ifdef WM_MOUSELEAVE
+        case WM_MOUSELEAVE:
+            break; // wParam & lParam not used
+#endif
+#ifdef WM_MOUSEHOVER
+        case WM_MOUSEHOVER:
+#endif
+#ifdef WM_MOUSEWHEEL
+        case WM_MOUSEWHEEL:
+#endif
+#ifdef WM_LBUTTONDBLCLK
+        case WM_LBUTTONDBLCLK:
+#endif
+#ifdef WM_LBUTTONDOWN
+        case WM_LBUTTONDOWN:
+#endif
+#ifdef WM_LBUTTONUP
+        case WM_LBUTTONUP:
+#endif
+#ifdef WM_MBUTTONDBLCLK
+        case WM_MBUTTONDBLCLK:
+#endif
+#ifdef WM_MBUTTONDOWN
+        case WM_MBUTTONDOWN:
+#endif
+#ifdef WM_MBUTTONUP
+        case WM_MBUTTONUP:
+#endif
+#ifdef WM_RBUTTONDBLCLK
+        case WM_RBUTTONDBLCLK:
+#endif
+#ifdef WM_RBUTTONDOWN
+        case WM_RBUTTONDOWN:
+#endif
+#ifdef WM_RBUTTONUP
+        case WM_RBUTTONUP:
+#endif
+#ifdef WM_MOUSEMOVE
+        case WM_MOUSEMOVE:
+            {
+                QString vrtKeys = flagCheck(wParam,
+                                            FLGSTR(MK_CONTROL),
+                                            FLGSTR(MK_LBUTTON),
+                                            FLGSTR(MK_MBUTTON),
+                                            FLGSTR(MK_RBUTTON),
+                                            FLGSTR(MK_SHIFT),
+#ifdef MK_XBUTTON1
+                                            FLGSTR(MK_XBUTTON1),
+#endif
+#ifdef MK_XBUTTON2
+                                            FLGSTR(MK_XBUTTON2),
+#endif
+                                            FLAG_STRING());
+                parameters.sprintf("x,y(%4d,%4d) Virtual Keys(%s)", GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), vrtKeys.toLatin1().data());
+            }
+            break;
+#endif
+#ifdef WM_MOVE
+        case WM_MOVE:
+            parameters.sprintf("x,y(%4d,%4d)", LOWORD(lParam), HIWORD(lParam));
+            break;
+#endif
+#if defined(WM_PAINT) && defined(WM_ERASEBKGND)
+        case WM_ERASEBKGND:
+        case WM_PAINT:
+            parameters.sprintf("hdc(0x%p)", (void *)wParam);
+            break;
+#endif
+#ifdef WM_QUERYNEWPALETTE
+        case WM_QUERYNEWPALETTE:
+            break; // lParam & wParam are unused
+#endif
+#ifdef WM_SETCURSOR
+        case WM_SETCURSOR:
+            {
+                QString mouseMsg = QString::fromLatin1(findWMstr(HIWORD(lParam)));
+                parameters.sprintf("HitTestCode(0x%x) MouseMsg(%s)", LOWORD(lParam), mouseMsg.toLatin1().data());
+            }
+            break;
+#endif
+#ifdef WM_SETFOCUS
+        case WM_SETFOCUS:
+            parameters.sprintf("Lost Focus (0x%p)", (void *)wParam);
+            break;
+#endif
+#ifdef WM_SETTEXT
+        case WM_SETTEXT:
+            parameters.sprintf("Set Text (%s)", QString((QChar*)lParam, (int)wcslen(reinterpret_cast<const wchar_t *>(lParam))).toLatin1().data()); //Unicode string
+            break;
+#endif
+#ifdef WM_SIZE
+        case WM_SIZE:
+            {
+                QString showMode = valueCheck(wParam,
+                                              FLGSTR(SIZE_MAXHIDE),
+                                              FLGSTR(SIZE_MAXIMIZED),
+                                              FLGSTR(SIZE_MAXSHOW),
+                                              FLGSTR(SIZE_MINIMIZED),
+                                              FLGSTR(SIZE_RESTORED),
+                                              FLAG_STRING());
+
+                parameters.sprintf("w,h(%4d,%4d) showmode(%s)", LOWORD(lParam), HIWORD(lParam), showMode.toLatin1().data());
+            }
+            break;
+#endif
+#ifdef WM_WINDOWPOSCHANGED
+        case WM_WINDOWPOSCHANGED:
+            {
+                LPWINDOWPOS winPos = (LPWINDOWPOS)lParam;
+                if (!winPos)
+                    break;
+                QString hwndAfter = valueCheck((uint)winPos->hwndInsertAfter,
+                                          FLAG_STRING((uint)HWND_BOTTOM,    "HWND_BOTTOM"),
+                                          FLAG_STRING((int)HWND_NOTOPMOST, "HWND_NOTOPMOST"),
+                                          FLAG_STRING((uint)HWND_TOP,       "HWND_TOP"),
+                                          FLAG_STRING((int)HWND_TOPMOST,   "HWND_TOPMOST"),
+                                          FLAG_STRING());
+                if (hwndAfter.size() == 0)
+                    hwndAfter = QString::number((uint)winPos->hwndInsertAfter, 16);
+                QString flags = flagCheck(winPos->flags,
+                                          FLGSTR(SWP_DRAWFRAME),
+                                          FLGSTR(SWP_FRAMECHANGED),
+                                          FLGSTR(SWP_HIDEWINDOW),
+                                          FLGSTR(SWP_NOACTIVATE),
+#ifdef SWP_NOCOPYBITS
+                                          FLGSTR(SWP_NOCOPYBITS),
+#endif
+                                          FLGSTR(SWP_NOMOVE),
+                                          FLGSTR(SWP_NOOWNERZORDER),
+                                          FLGSTR(SWP_NOREDRAW),
+                                          FLGSTR(SWP_NOREPOSITION),
+#ifdef SWP_NOSENDCHANGING
+                                          FLGSTR(SWP_NOSENDCHANGING),
+#endif
+                                          FLGSTR(SWP_NOSIZE),
+                                          FLGSTR(SWP_NOZORDER),
+                                          FLGSTR(SWP_SHOWWINDOW),
+                                          FLAG_STRING());
+                parameters.sprintf("x,y(%4d,%4d) w,h(%4d,%4d) flags(%s) hwndAfter(%s)", winPos->x, winPos->y, winPos->cx, winPos->cy, flags.toLatin1().data(), hwndAfter.toLatin1().data());
+            }
+            break;
+#endif
+        default:
+            parameters.sprintf("wParam(0x%p) lParam(0x%p)", (void *)wParam, (void *)lParam);
+            break;
+    }
+    // Yes, we want to give the WM_ names 20 chars of space before showing the
+    // decoded message, since some of the common messages are quite long, and
+    // we don't want the decoded information to vary in output position
+    QString message = QString::fromLatin1("%1: ").arg(wmmsg, 20);
+    message += rawParameters;
+    message += parameters;
+    return message;
+}
+
+#endif
+
+QDebug operator<<(QDebug dbg, const MSG &msg)
+{
+    dbg << decodeMSG(msg);
+    return dbg.nospace();
+}
+#endif
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qcorecmdlineargs_p.h b/src/corelib/kernel/qcorecmdlineargs_p.h
new file mode 100644
index 0000000000..d1ca3f84f8
--- /dev/null
+++ b/src/corelib/kernel/qcorecmdlineargs_p.h
@@ -0,0 +1,171 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCORECMDLINEARGS_P_H
+#define QCORECMDLINEARGS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qstring.h"
+#include "QtCore/qstringlist.h"
+
+QT_BEGIN_NAMESPACE
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include "QtCore/qvector.h"
+#include "qt_windows.h"
+QT_END_INCLUDE_NAMESPACE
+
+// template implementation of the parsing algorithm
+// this is used from qcoreapplication_win.cpp and the tools (rcc, uic...)
+
+template<typename Char>
+static QVector<Char*> qWinCmdLine(Char *cmdParam, int length, int &argc)
+{
+    QVector<Char*> argv(8);
+    Char *p = cmdParam;
+    Char *p_end = p + length;
+
+    argc = 0;
+
+    while (*p && p < p_end) {                                // parse cmd line arguments
+        while (QChar((short)(*p)).isSpace())                          // skip white space
+            p++;
+        if (*p && p < p_end) {                                // arg starts
+            int quote;
+            Char *start, *r;
+            if (*p == Char('\"') || *p == Char('\'')) {        // " or ' quote
+                quote = *p;
+                start = ++p;
+            } else {
+                quote = 0;
+                start = p;
+            }
+            r = start;
+            while (*p && p < p_end) {
+                if (quote) {
+                    if (*p == quote) {
+                        p++;
+                        if (QChar((short)(*p)).isSpace())
+                            break;
+                        quote = 0;
+                    }
+                }
+                if (*p == '\\') {                // escape char?
+                    p++;
+                    if (*p == Char('\"') || *p == Char('\''))
+                        ;                        // yes
+                    else
+                        p--;                        // treat \ literally
+                } else {
+                    if (!quote && (*p == Char('\"') || *p == Char('\''))) {        // " or ' quote
+                        quote = *p++;
+                        continue;
+                    } else if (QChar((short)(*p)).isSpace() && !quote)
+                        break;
+                }
+                if (*p)
+                    *r++ = *p++;
+            }
+            if (*p && p < p_end)
+                p++;
+            *r = Char('\0');
+
+            if (argc >= (int)argv.size()-1)        // expand array
+                argv.resize(argv.size()*2);
+            argv[argc++] = start;
+        }
+    }
+    argv[argc] = 0;
+
+    return argv;
+}
+
+static inline QStringList qWinCmdArgs(QString cmdLine) // not const-ref: this might be modified
+{
+    QStringList args;
+
+    int argc = 0;
+    QVector<ushort*> argv = qWinCmdLine<ushort>((ushort*)cmdLine.utf16(), cmdLine.length(), argc);
+    for (int a = 0; a < argc; ++a) {
+        args << QString::fromUtf16(argv[a]);
+    }
+
+    return args;
+}
+
+static inline QStringList qCmdLineArgs(int argc, char *argv[])
+{
+    Q_UNUSED(argc)
+    Q_UNUSED(argv)
+    QString cmdLine = QT_WA_INLINE(
+        QString::fromUtf16((unsigned short*)GetCommandLineW()),
+        QString::fromLocal8Bit(GetCommandLineA())
+    );
+    return qWinCmdArgs(cmdLine);
+}
+
+#else  // !Q_OS_WIN
+
+static inline QStringList qCmdLineArgs(int argc, char *argv[])
+{
+    QStringList args;
+	for (int i = 0; i != argc; ++i)
+        args += QString::fromLocal8Bit(argv[i]);
+    return args;
+}
+
+#endif // Q_OS_WIN
+
+QT_END_NAMESPACE
+
+#endif // QCORECMDLINEARGS_WIN_P_H
diff --git a/src/corelib/kernel/qcoreevent.cpp b/src/corelib/kernel/qcoreevent.cpp
new file mode 100644
index 0000000000..3fcfc98c50
--- /dev/null
+++ b/src/corelib/kernel/qcoreevent.cpp
@@ -0,0 +1,599 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcoreevent.h"
+#include "qcoreapplication.h"
+#include "qcoreapplication_p.h"
+
+#include "qmutex.h"
+#include "qset.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QEvent
+    \brief The QEvent class is the base class of all
+    event classes. Event objects contain event parameters.
+
+    \ingroup events
+    \ingroup environment
+
+    Qt's main event loop (QCoreApplication::exec()) fetches native
+    window system events from the event queue, translates them into
+    QEvents, and sends the translated events to \l{QObject}s.
+
+    In general, events come from the underlying window system
+    (spontaneous() returns true), but it is also possible to manually
+    send events using QCoreApplication::sendEvent() and
+    QCoreApplication::postEvent() (spontaneous() returns false).
+
+    QObjects receive events by having their QObject::event() function
+    called. The function can be reimplemented in subclasses to
+    customize event handling and add additional event types;
+    QWidget::event() is a notable example. By default, events are
+    dispatched to event handlers like QObject::timerEvent() and
+    QWidget::mouseMoveEvent(). QObject::installEventFilter() allows an
+    object to intercept events destined for another object.
+
+    The basic QEvent contains only an event type parameter and an
+    "accept" flag.  The accept flag set with accept(), and cleared
+    with ignore(). It is set by default, but don't rely on this as
+    subclasses may choose to clear it in their constructor.
+
+    Subclasses of QEvent contain additional parameters that describe
+    the particular event.
+
+    \sa QObject::event(), QObject::installEventFilter(),
+        QWidget::event(), QCoreApplication::sendEvent(),
+        QCoreApplication::postEvent(), QCoreApplication::processEvents()
+*/
+
+
+/*!
+    \enum QEvent::Type
+
+    This enum type defines the valid event types in Qt. The event
+    types and the specialized classes for each type are as follows:
+
+    \value None                             Not an event.
+    \value AccessibilityDescription         Used to query accessibility description texts (QAccessibleEvent).
+    \value AccessibilityHelp                Used to query accessibility help texts (QAccessibleEvent).
+    \value AccessibilityPrepare             Accessibility information is requested.
+    \value ActionAdded                      A new action has been added (QActionEvent).
+    \value ActionChanged                    An action has been changed (QActionEvent).
+    \value ActionRemoved                    An action has been removed (QActionEvent).
+    \value ActivationChange                 A widget's top-level window activation state has changed.
+    \value ApplicationActivate              The application has been made available to the user.
+    \value ApplicationActivated             This enum has been deprecated. Use ApplicationActivate instead.
+    \value ApplicationDeactivate            The application has been suspended, and is unavailable to the user.
+    \value ApplicationFontChange            The default application font has changed.
+    \value ApplicationLayoutDirectionChange The default application layout direction has changed.
+    \value ApplicationPaletteChange         The default application palette has changed.
+    \value ApplicationWindowIconChange      The application's icon has changed.
+    \value ChildAdded                       An object gets a child (QChildEvent).
+    \value ChildInserted                    An object gets a child (QChildEvent). Qt3Support only, use ChildAdded instead.
+    \value ChildPolished                    A widget child gets polished (QChildEvent).
+    \value ChildRemoved                     An object loses a child (QChildEvent).
+    \value Clipboard                        The clipboard contents have changed (QClipboardEvent).
+    \value Close                            Widget was closed (QCloseEvent).
+    \value ContentsRectChange               The margins of the widget's content rect changed.
+    \value ContextMenu                      Context popup menu (QContextMenuEvent).
+    \value CursorChange                     The widget's cursor has changed.
+    \value DeferredDelete                   The object will be deleted after it has cleaned up.
+    \value DragEnter                        The cursor enters a widget during a drag and drop operation (QDragEnterEvent).
+    \value DragLeave                        The cursor leaves a widget during a drag and drop operation (QDragLeaveEvent).
+    \value DragMove                         A drag and drop operation is in progress (QDragMoveEvent).
+    \value Drop                             A drag and drop operation is completed (QDropEvent).
+    \value EnabledChange                    Widget's enabled state has changed.
+    \value Enter                            Mouse enters widget's boundaries.
+    \value EnterEditFocus                   An editor widget gains focus for editing.
+    \value EnterWhatsThisMode               Send to toplevel widgets when the application enters "What's This?" mode.
+    \value FileOpen                         File open request (QFileOpenEvent).
+    \value FocusIn                          Widget gains keyboard focus (QFocusEvent).
+    \value FocusOut                         Widget loses keyboard focus (QFocusEvent).
+    \value FontChange                       Widget's font has changed.
+    \value GrabKeyboard                     Item gains keyboard grab (QGraphicsItem only).
+    \value GrabMouse                        Item gains mouse grab (QGraphicsItem only).
+    \value GraphicsSceneContextMenu         Context popup menu over a graphics scene (QGraphicsSceneContextMenuEvent).
+    \value GraphicsSceneDragEnter           The cursor enters a graphics scene during a drag and drop operation.
+    \value GraphicsSceneDragLeave           The cursor leaves a graphics scene during a drag and drop operation.
+    \value GraphicsSceneDragMove            A drag and drop operation is in progress over a scene.
+    \value GraphicsSceneDrop                A drag and drop operation is completed over a scene.
+    \value GraphicsSceneHelp                The user requests help for a graphics scene (QHelpEvent).
+    \value GraphicsSceneHoverEnter          The mouse cursor enters a hover item in a graphics scene (QGraphicsSceneHoverEvent).
+    \value GraphicsSceneHoverLeave          The mouse cursor leaves a hover item in a graphics scene (QGraphicsSceneHoverEvent).
+    \value GraphicsSceneHoverMove           The mouse cursor moves inside a hover item in a graphics scene (QGraphicsSceneHoverEvent).
+    \value GraphicsSceneMouseDoubleClick    Mouse press again (double click) in a graphics scene (QGraphicsSceneMouseEvent).
+    \value GraphicsSceneMouseMove           Move mouse in a graphics scene (QGraphicsSceneMouseEvent).
+    \value GraphicsSceneMousePress          Mouse press in a graphics scene (QGraphicsSceneMouseEvent).
+    \value GraphicsSceneMouseRelease        Mouse release in a graphics scene (QGraphicsSceneMouseEvent).
+    \value GraphicsSceneMove          Widget was moved (QGraphicsSceneMoveEvent).
+    \value GraphicsSceneResize          Widget was resized (QGraphicsSceneResizeEvent).
+    \value GraphicsSceneWheel               Mouse wheel rolled in a graphics scene (QGraphicsSceneWheelEvent).
+    \value Hide                             Widget was hidden (QHideEvent).
+    \value HideToParent                     A child widget has been hidden.
+    \value HoverEnter                       The mouse cursor enters a hover widget (QHoverEvent).
+    \value HoverLeave                       The mouse cursor leaves a hover widget (QHoverEvent).
+    \value HoverMove                        The mouse cursor moves inside a hover widget (QHoverEvent).
+    \value IconDrag                         The main icon of a window has been dragged away (QIconDragEvent).
+    \value IconTextChange                   Widget's icon text has been changed.
+    \value InputMethod                      An input method is being used (QInputMethodEvent).
+    \value KeyPress                         Key press (QKeyEvent).
+    \value KeyRelease                       Key release (QKeyEvent).
+    \value LanguageChange                   The application translation changed.
+    \value LayoutDirectionChange            The direction of layouts changed.
+    \value LayoutRequest                    Widget layout needs to be redone.
+    \value Leave                            Mouse leaves widget's boundaries.
+    \value LeaveEditFocus                   An editor widget loses focus for editing.
+    \value LeaveWhatsThisMode               Send to toplevel widgets when the application leaves "What's This?" mode.
+    \value LocaleChange                     The system locale has changed.
+    \value NonClientAreaMouseButtonDblClick A mouse double click occurred outside the client area.
+    \value NonClientAreaMouseButtonPress    A mouse button press occurred outside the client area.
+    \value NonClientAreaMouseButtonRelease  A mouse button release occurred outside the client area.
+    \value NonClientAreaMouseMove           A mouse move occurred outside the client area.
+    \value MacSizeChange                    The user changed his widget sizes (Mac OS X only).
+    \value MenubarUpdated                   The window's menu bar has been updated.
+    \value MetaCall                         An asynchronous method invocation via QMetaObject::invokeMethod().
+    \value ModifiedChange                   Widgets modification state has been changed.
+    \value MouseButtonDblClick              Mouse press again (QMouseEvent).
+    \value MouseButtonPress                 Mouse press (QMouseEvent).
+    \value MouseButtonRelease               Mouse release (QMouseEvent).
+    \value MouseMove                        Mouse move (QMouseEvent).
+    \value MouseTrackingChange              The mouse tracking state has changed.
+    \value Move                             Widget's position changed (QMoveEvent).
+    \value Paint                            Screen update necessary (QPaintEvent).
+    \value PaletteChange                    Palette of the widget changed.
+    \value ParentAboutToChange              The widget parent is about to change.
+    \value ParentChange                     The widget parent has changed.
+    \value Polish                           The widget is polished.
+    \value PolishRequest                    The widget should be polished.
+    \value QueryWhatsThis                   The widget should accept the event if it has "What's This?" help.
+    \value Resize                           Widget's size changed (QResizeEvent).
+    \value Shortcut                         Key press in child for shortcut key handling (QShortcutEvent).
+    \value ShortcutOverride                 Key press in child, for overriding shortcut key handling (QKeyEvent).
+    \value Show                             Widget was shown on screen (QShowEvent).
+    \value ShowToParent                     A child widget has been shown.
+    \value SockAct                          Socket activated, used to implement QSocketNotifier.
+    \value StatusTip                        A status tip is requested (QStatusTipEvent).
+    \value StyleChange                      Widget's style has been changed.
+    \value TabletMove                       Wacom tablet move (QTabletEvent).
+    \value TabletPress                      Wacom tablet press (QTabletEvent).
+    \value TabletRelease                    Wacom tablet release (QTabletEvent).
+    \value OkRequest                        Ok button in decoration pressed. Supported only for Windows CE.
+    \value TabletEnterProximity             Wacom tablet enter proximity event (QTabletEvent), sent to QApplication.
+    \value TabletLeaveProximity             Wacom tablet leave proximity event (QTabletEvent), sent to QApplication.
+    \value Timer                            Regular timer events (QTimerEvent).
+    \value ToolBarChange                    The toolbar button is toggled on Mac OS X.
+    \value ToolTip                          A tooltip was requested (QHelpEvent).
+    \value ToolTipChange                    The widget's tooltip has changed.
+    \value UngrabKeyboard                   Item loses keyboard grab (QGraphicsItem only).
+    \value UngrabMouse                      Item loses mouse grab (QGraphicsItem only).
+    \value UpdateLater                      The widget should be queued to be repainted at a later time.
+    \value UpdateRequest                    The widget should be repainted.
+    \value WhatsThis                        The widget should reveal "What's This?" help (QHelpEvent).
+    \value WhatsThisClicked                 A link in a widget's "What's This?" help was clicked.
+    \value Wheel                            Mouse wheel rolled (QWheelEvent).
+    \value WinEventAct                      A Windows-specific activation event has occurred.
+    \value WindowActivate                   Window was activated.
+    \value WindowBlocked                    The window is blocked by a modal dialog.
+    \value WindowDeactivate                 Window was deactivated.
+    \value WindowIconChange                 The window's icon has changed.
+    \value WindowStateChange                The \l{QWidget::windowState()}{window's state} (minimized, maximized or full-screen) has changed (QWindowStateChangeEvent).
+    \value WindowTitleChange                The window title has changed.
+    \value WindowUnblocked                  The window is unblocked after a modal dialog exited.
+    \value ZOrderChange                     The widget's z-order has changed. This event is never sent to top level windows.
+    \value KeyboardLayoutChange             The keyboard layout has changed.
+    \value DynamicPropertyChange            A dynamic property was added, changed or removed from the object.
+
+    User events should have values between \c User and \c{MaxUser}:
+
+    \value User                             User-defined event.
+    \value MaxUser                          Last user event ID.
+
+    For convenience, you can use the registerEventType() function to
+    register and reserve a custom event type for your
+    application. Doing so will allow you to avoid accidentally
+    re-using a custom event type already in use elsewhere in your
+    application.
+
+    \omitvalue Accel
+    \omitvalue AccelAvailable
+    \omitvalue AccelOverride
+    \omitvalue AcceptDropsChange
+    \omitvalue ActivateControl
+    \omitvalue CaptionChange
+    \omitvalue ChildInsertedRequest
+    \omitvalue ChildInserted
+    \omitvalue Create
+    \omitvalue DeactivateControl
+    \omitvalue Destroy
+    \omitvalue DragResponse
+    \omitvalue EmbeddingControl
+    \omitvalue HelpRequest
+    \omitvalue IconChange
+    \omitvalue LayoutHint
+    \omitvalue Quit
+    \omitvalue Reparent
+    \omitvalue ShowWindowRequest
+    \omitvalue Speech
+    \omitvalue Style
+    \omitvalue ThreadChange
+    \omitvalue ZeroTimerEvent
+    \omitvalue ApplicationActivated
+    \omitvalue ApplicationDeactivated
+    \omitvalue MacGLWindowChange
+    \omitvalue NetworkReplyUpdated
+    \omitvalue FutureCallOut
+    \omitvalue CocoaRequestModal
+*/
+
+/*!
+    Contructs an event object of type \a type.
+*/
+QEvent::QEvent(Type type)
+    : d(0), t(type), posted(false), spont(false), m_accept(true)
+{}
+
+/*!
+    Destroys the event. If it was \link
+    QCoreApplication::postEvent() posted \endlink,
+    it will be removed from the list of events to be posted.
+*/
+
+QEvent::~QEvent()
+{
+    if (posted && QCoreApplication::instance())
+        QCoreApplicationPrivate::removePostedEvent(this);
+}
+
+
+/*!
+    \property  QEvent::accepted
+    the accept flag of the event object
+
+    Setting the accept parameter indicates that the event receiver
+    wants the event. Unwanted events might be propagated to the parent
+    widget. By default, isAccepted() is set to true, but don't rely on
+    this as subclasses may choose to clear it in their constructor.
+
+    For convenience, the accept flag can also be set with accept(),
+    and cleared with ignore().
+*/
+
+/*!
+    \fn void QEvent::accept()
+
+    Sets the accept flag of the event object, the equivalent of
+    calling setAccepted(true).
+
+    Setting the accept parameter indicates that the event receiver
+    wants the event. Unwanted events might be propagated to the parent
+    widget.
+
+    \sa ignore()
+*/
+
+
+/*!
+    \fn void QEvent::ignore()
+
+    Clears the accept flag parameter of the event object, the
+    equivalent of calling setAccepted(false).
+
+    Clearing the accept parameter indicates that the event receiver
+    does not want the event. Unwanted events might be propgated to the
+    parent widget.
+
+    \sa accept()
+*/
+
+
+/*!
+    \fn QEvent::Type QEvent::type() const
+
+    Returns the event type.
+*/
+
+/*!
+    \fn bool QEvent::spontaneous() const
+
+    Returns true if the event originated outside the application (a
+    system event); otherwise returns false.
+
+    The return value of this function is not defined for paint events.
+*/
+
+class QEventUserEventRegistration
+{
+public:
+    QMutex mutex;
+    QSet<int> set;
+};
+Q_GLOBAL_STATIC(QEventUserEventRegistration, userEventRegistrationHelper)
+
+/*!
+    \since 4.4
+    \threadsafe
+
+    Registers and returns a custom event type. The \a hint provided
+    will be used if it is available, otherwise it will return a value
+    between QEvent::User and QEvent::MaxUser that has not yet been
+    registered. The \a hint is ignored if its value is not between
+    QEvent::User and QEvent::MaxUser.
+*/
+int QEvent::registerEventType(int hint)
+{
+    QEventUserEventRegistration *userEventRegistration
+        = userEventRegistrationHelper();
+    if (!userEventRegistration)
+        return -1;
+
+    QMutexLocker locker(&userEventRegistration->mutex);
+
+    // if the type hint hasn't been registered yet, take it
+    if (hint >= QEvent::User && hint <= QEvent::MaxUser && !userEventRegistration->set.contains(hint)) {
+        userEventRegistration->set.insert(hint);
+        return hint;
+    }
+
+    // find a free event type, starting at MaxUser and decreasing
+    int id = QEvent::MaxUser;
+    while (userEventRegistration->set.contains(id) && id >= QEvent::User)
+        --id;
+    if (id >= QEvent::User) {
+        userEventRegistration->set.insert(id);
+        return id;
+    }
+    return -1;
+}
+
+/*!
+    \class QTimerEvent
+    \brief The QTimerEvent class contains parameters that describe a
+    timer event.
+
+    \ingroup events
+
+    Timer events are sent at regular intervals to objects that have
+    started one or more timers. Each timer has a unique identifier. A
+    timer is started with QObject::startTimer().
+
+    The QTimer class provides a high-level programming interface that
+    uses signals instead of events. It also provides single-shot timers.
+
+    The event handler QObject::timerEvent() receives timer events.
+
+    \sa QTimer, QObject::timerEvent(), QObject::startTimer(),
+    QObject::killTimer()
+*/
+
+/*!
+    Constructs a timer event object with the timer identifier set to
+    \a timerId.
+*/
+QTimerEvent::QTimerEvent(int timerId)
+    : QEvent(Timer), id(timerId)
+{}
+
+/*! \internal
+*/
+QTimerEvent::~QTimerEvent()
+{
+}
+
+/*!
+    \fn int QTimerEvent::timerId() const
+
+    Returns the unique timer identifier, which is the same identifier
+    as returned from QObject::startTimer().
+*/
+
+/*!
+    \class QChildEvent
+    \brief The QChildEvent class contains event parameters for child object
+    events.
+
+    \ingroup events
+
+    Child events are sent immediately to objects when children are
+    added or removed.
+
+    In both cases you can only rely on the child being a QObject (or,
+    if QObject::isWidgetType() returns true, a QWidget). This is
+    because in the QEvent::ChildAdded case the child is not yet fully
+    constructed; in the QEvent::ChildRemoved case it might have
+    already been destructed.
+
+    The handler for these events is QObject::childEvent().
+*/
+
+/*!
+    Constructs a child event object of a particular \a type for the
+    \a child.
+
+    \a type can be QEvent::ChildAdded, QEvent::ChildRemoved,
+    QEvent::ChildPolished, or QEvent::ChildRemoved.
+
+    \sa child()
+*/
+QChildEvent::QChildEvent(Type type, QObject *child)
+    : QEvent(type), c(child)
+{}
+
+/*! \internal
+*/
+QChildEvent::~QChildEvent()
+{
+}
+
+/*!
+    \fn QObject *QChildEvent::child() const
+
+    Returns the child object that was added or removed.
+*/
+
+/*!
+    \fn bool QChildEvent::added() const
+
+    Returns true if type() is QEvent::ChildAdded; otherwise returns
+    false.
+*/
+
+/*!
+    \fn bool QChildEvent::removed() const
+
+    Returns true if type() is QEvent::ChildRemoved; otherwise returns
+    false.
+*/
+
+/*!
+    \fn bool QChildEvent::polished() const
+
+    Returns true if type() is QEvent::ChildPolished; otherwise returns
+    false.
+*/
+
+/*!
+    \class QCustomEvent
+    \brief The QCustomEvent class provides support for custom events.
+
+    \compat
+
+    QCustomEvent has a \c{void *} that can be used to store custom
+    data.
+
+    In Qt 3, QObject::customEvent() took a QCustomEvent pointer. We
+    found out that this approach was unsatisfactory, because
+    there was often no safe way of deleting the data held in the
+    \c{void *}.
+
+    In Qt 4, QObject::customEvent() takes a plain QEvent pointer.
+    You can add custom data by subclassing.
+
+    \sa QObject::customEvent(), QCoreApplication::notify()
+*/
+
+/*!
+    \fn QCustomEvent::QCustomEvent(int type, void *data)
+
+    Constructs a custom event object with the event \a type and a
+    pointer to \a data. The value of \a type must be at least as
+    large as QEvent::User. By default, the data pointer is set to 0.
+*/
+#ifdef QT3_SUPPORT
+QCustomEvent::QCustomEvent(int type, void *data)
+    : QEvent(static_cast<Type>(type))
+{
+    d = reinterpret_cast<QEventPrivate *>(data);
+}
+
+/*! \internal
+*/
+QCustomEvent::~QCustomEvent()
+{
+}
+#endif
+/*!
+    \fn void QCustomEvent::setData(void *data)
+
+    \compat
+
+    Sets the generic data pointer to \a data.
+
+    \sa data()
+*/
+
+/*!
+    \fn void *QCustomEvent::data() const
+
+    \compat
+
+    Returns a pointer to the generic event data.
+
+    \sa setData()
+*/
+
+/*!
+    \fn bool QChildEvent::inserted() const
+
+    \compat
+
+    A child has been inserted if the event's type() is ChildInserted.
+*/
+
+/*!
+    \class QDynamicPropertyChangeEvent
+    \since 4.2
+    \brief The QDynamicPropertyChangeEvent class contains event parameters for dynamic
+    property change events.
+
+    \ingroup events
+
+    Dynamic property change events are sent to objects when properties are
+    dynamically added, changed or removed using QObject::setProperty().
+*/
+
+/*!
+    Constructs a dynamic property change event object with the property name set to
+    \a name.
+*/
+QDynamicPropertyChangeEvent::QDynamicPropertyChangeEvent(const QByteArray &name)
+    : QEvent(QEvent::DynamicPropertyChange), n(name)
+{
+}
+
+/*!
+    \internal
+*/
+QDynamicPropertyChangeEvent::~QDynamicPropertyChangeEvent()
+{
+}
+
+/*!
+    \fn QByteArray QDynamicPropertyChangeEvent::propertyName() const
+
+    Returns the name of the dynamic property that was added, changed or
+    removed.
+
+    \sa QObject::setProperty(), QObject::dynamicPropertyNames()
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qcoreevent.h b/src/corelib/kernel/qcoreevent.h
new file mode 100644
index 0000000000..5487703d75
--- /dev/null
+++ b/src/corelib/kernel/qcoreevent.h
@@ -0,0 +1,363 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOREEVENT_H
+#define QCOREEVENT_H
+
+#include <QtCore/qnamespace.h>
+#include <QtCore/qbytearray.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QEventPrivate;
+class Q_CORE_EXPORT QEvent           // event base class
+{
+    QDOC_PROPERTY(bool accepted READ isAccepted WRITE setAccepted)
+public:
+    enum Type {
+        /*
+          If you get a strange compiler error on the line with None,
+          it's probably because you're also including X11 headers,
+          which #define the symbol None. Put the X11 includes after
+          the Qt includes to solve this problem.
+        */
+        None = 0,                               // invalid event
+        Timer = 1,                              // timer event
+        MouseButtonPress = 2,                   // mouse button pressed
+        MouseButtonRelease = 3,                 // mouse button released
+        MouseButtonDblClick = 4,                // mouse button double click
+        MouseMove = 5,                          // mouse move
+        KeyPress = 6,                           // key pressed
+        KeyRelease = 7,                         // key released
+        FocusIn = 8,                            // keyboard focus received
+        FocusOut = 9,                           // keyboard focus lost
+        Enter = 10,                             // mouse enters widget
+        Leave = 11,                             // mouse leaves widget
+        Paint = 12,                             // paint widget
+        Move = 13,                              // move widget
+        Resize = 14,                            // resize widget
+        Create = 15,                            // after widget creation
+        Destroy = 16,                           // during widget destruction
+        Show = 17,                              // widget is shown
+        Hide = 18,                              // widget is hidden
+        Close = 19,                             // request to close widget
+        Quit = 20,                              // request to quit application
+        ParentChange = 21,                      // widget has been reparented
+        ParentAboutToChange = 131,              // sent just before the parent change is done
+#ifdef QT3_SUPPORT
+        Reparent = ParentChange,
+#endif
+        ThreadChange = 22,                      // object has changed threads
+        WindowActivate = 24,                    // window was activated
+        WindowDeactivate = 25,                  // window was deactivated
+        ShowToParent = 26,                      // widget is shown to parent
+        HideToParent = 27,                      // widget is hidden to parent
+        Wheel = 31,                             // wheel event
+        WindowTitleChange = 33,                 // window title changed
+        WindowIconChange = 34,                  // icon changed
+        ApplicationWindowIconChange = 35,       // application icon changed
+        ApplicationFontChange = 36,             // application font changed
+        ApplicationLayoutDirectionChange = 37,  // application layout direction changed
+        ApplicationPaletteChange = 38,          // application palette changed
+        PaletteChange = 39,                     // widget palette changed
+        Clipboard = 40,                         // internal clipboard event
+        Speech = 42,                            // reserved for speech input
+        MetaCall =  43,                         // meta call event
+        SockAct = 50,                           // socket activation
+        WinEventAct = 132,                      // win event activation
+        DeferredDelete = 52,                    // deferred delete event
+        DragEnter = 60,                         // drag moves into widget
+        DragMove = 61,                          // drag moves in widget
+        DragLeave = 62,                         // drag leaves or is cancelled
+        Drop = 63,                              // actual drop
+        DragResponse = 64,                      // drag accepted/rejected
+        ChildAdded = 68,                        // new child widget
+        ChildPolished = 69,                     // polished child widget
+#ifdef QT3_SUPPORT
+        ChildInsertedRequest = 67,              // send ChildInserted compatibility events to receiver
+        ChildInserted = 70,                     // compatibility child inserted
+        LayoutHint = 72,                        // compatibility relayout request
+#endif
+        ChildRemoved = 71,                      // deleted child widget
+        ShowWindowRequest = 73,                 // widget's window should be mapped
+        PolishRequest = 74,                     // widget should be polished
+        Polish = 75,                            // widget is polished
+        LayoutRequest = 76,                     // widget should be relayouted
+        UpdateRequest = 77,                     // widget should be repainted
+        UpdateLater = 78,                       // request update() later
+
+        EmbeddingControl = 79,                  // ActiveX embedding
+        ActivateControl = 80,                   // ActiveX activation
+        DeactivateControl = 81,                 // ActiveX deactivation
+        ContextMenu = 82,                       // context popup menu
+        InputMethod = 83,                       // input method
+        AccessibilityPrepare = 86,              // accessibility information is requested
+        TabletMove = 87,                        // Wacom tablet event
+        LocaleChange = 88,                      // the system locale changed
+        LanguageChange = 89,                    // the application language changed
+        LayoutDirectionChange = 90,             // the layout direction changed
+        Style = 91,                             // internal style event
+        TabletPress = 92,                       // tablet press
+        TabletRelease = 93,                     // tablet release
+        OkRequest = 94,                         // CE (Ok) button pressed
+        HelpRequest = 95,                       // CE (?)  button pressed
+
+        IconDrag = 96,                          // proxy icon dragged
+
+        FontChange = 97,                        // font has changed
+        EnabledChange = 98,                     // enabled state has changed
+        ActivationChange = 99,                  // window activation has changed
+        StyleChange = 100,                      // style has changed
+        IconTextChange = 101,                   // icon text has changed
+        ModifiedChange = 102,                   // modified state has changed
+        MouseTrackingChange = 109,              // mouse tracking state has changed
+
+        WindowBlocked = 103,                    // window is about to be blocked modally
+        WindowUnblocked = 104,                  // windows modal blocking has ended
+        WindowStateChange = 105,
+
+        ToolTip = 110,
+        WhatsThis = 111,
+        StatusTip = 112,
+
+        ActionChanged = 113,
+        ActionAdded = 114,
+        ActionRemoved = 115,
+
+        FileOpen = 116,                         // file open request
+
+        Shortcut = 117,                         // shortcut triggered
+        ShortcutOverride = 51,                  // shortcut override request
+
+#ifdef QT3_SUPPORT
+        Accel = 30,                             // accelerator event
+        AccelAvailable = 32,                    // accelerator available event
+        AccelOverride = ShortcutOverride,       // accelerator override event
+#endif
+
+        WhatsThisClicked = 118,
+
+#ifdef QT3_SUPPORT
+        CaptionChange = WindowTitleChange,
+        IconChange = WindowIconChange,
+#endif
+        ToolBarChange = 120,                    // toolbar visibility toggled
+
+        ApplicationActivate = 121,              // application has been changed to active
+        ApplicationActivated = ApplicationActivate, // deprecated
+        ApplicationDeactivate = 122,            // application has been changed to inactive
+        ApplicationDeactivated = ApplicationDeactivate, // deprecated
+
+        QueryWhatsThis = 123,                   // query what's this widget help
+        EnterWhatsThisMode = 124,
+        LeaveWhatsThisMode = 125,
+
+        ZOrderChange = 126,                     // child widget has had its z-order changed
+
+        HoverEnter = 127,                       // mouse cursor enters a hover widget
+        HoverLeave = 128,                       // mouse cursor leaves a hover widget
+        HoverMove = 129,                        // mouse cursor move inside a hover widget
+
+        AccessibilityHelp = 119,                // accessibility help text request
+        AccessibilityDescription = 130,         // accessibility description text request
+
+        // last event id used = 132
+
+#ifdef QT_KEYPAD_NAVIGATION
+        EnterEditFocus = 150,                   // enter edit mode in keypad navigation
+        LeaveEditFocus = 151,                   // enter edit mode in keypad navigation
+#endif
+        AcceptDropsChange = 152,
+
+        MenubarUpdated = 153,                    // Support event for Q3MainWindow, which needs to
+                                                 // knwow when QMenubar is updated.
+
+        ZeroTimerEvent = 154,                   // Used for Windows Zero timer events
+
+        GraphicsSceneMouseMove = 155,           // GraphicsView
+        GraphicsSceneMousePress = 156,
+        GraphicsSceneMouseRelease = 157,
+        GraphicsSceneMouseDoubleClick = 158,
+        GraphicsSceneContextMenu = 159,
+        GraphicsSceneHoverEnter = 160,
+        GraphicsSceneHoverMove = 161,
+        GraphicsSceneHoverLeave = 162,
+        GraphicsSceneHelp = 163,
+        GraphicsSceneDragEnter = 164,
+        GraphicsSceneDragMove = 165,
+        GraphicsSceneDragLeave = 166,
+        GraphicsSceneDrop = 167,
+        GraphicsSceneWheel = 168,
+
+        KeyboardLayoutChange = 169,             // keyboard layout changed
+
+        DynamicPropertyChange = 170,            // A dynamic property was changed through setProperty/property
+
+        TabletEnterProximity = 171,
+        TabletLeaveProximity = 172,
+
+        NonClientAreaMouseMove = 173,
+        NonClientAreaMouseButtonPress = 174,
+        NonClientAreaMouseButtonRelease = 175,
+        NonClientAreaMouseButtonDblClick = 176,
+
+        MacSizeChange = 177,                    // when the Qt::WA_Mac{Normal,Small,Mini}Size changes
+
+        ContentsRectChange = 178,               // sent by QWidget::setContentsMargins (internal)
+
+        MacGLWindowChange = 179,                // Internal! the window of the GLWidget has changed
+
+        FutureCallOut = 180,
+
+        GraphicsSceneResize  = 181,
+        GraphicsSceneMove  = 182,
+
+        CursorChange = 183,
+        ToolTipChange = 184,
+
+        NetworkReplyUpdated = 185,              // Internal for QNetworkReply
+
+        GrabMouse = 186,
+        UngrabMouse = 187,
+        GrabKeyboard = 188,
+        UngrabKeyboard = 189,
+        CocoaRequestModal = 190,                // Internal for requesting an application modal Cocoa Window
+
+        // 512 reserved for Qt Jambi's MetaCall event
+        // 513 reserved for Qt Jambi's DeleteOnMainThread event
+
+        User = 1000,                            // first user event id
+        MaxUser = 65535                         // last user event id
+    };
+
+    QEvent(Type type);
+    virtual ~QEvent();
+    inline Type type() const { return static_cast<Type>(t); }
+    inline bool spontaneous() const { return spont; }
+
+    inline void setAccepted(bool accepted) { m_accept = accepted; }
+    inline bool isAccepted() const { return m_accept; }
+
+    inline void accept() { m_accept = true; }
+    inline void ignore() { m_accept = false; }
+
+    static int registerEventType(int hint = -1);
+
+protected:
+    QEventPrivate *d;
+    ushort t;
+
+private:
+    ushort posted : 1;
+    ushort spont : 1;
+    ushort m_accept : 1;
+    ushort reserved : 13;
+
+    friend class QCoreApplication;
+    friend class QCoreApplicationPrivate;
+    friend class QThreadData;
+    friend class QApplication;
+    friend class QApplicationPrivate;
+    friend class Q3AccelManager;
+    friend class QShortcutMap;
+    friend class QETWidget;
+};
+
+class Q_CORE_EXPORT QTimerEvent : public QEvent
+{
+public:
+    QTimerEvent( int timerId );
+    ~QTimerEvent();
+    int timerId() const { return id; }
+protected:
+    int id;
+};
+
+class QObject;
+
+class Q_CORE_EXPORT QChildEvent : public QEvent
+{
+public:
+    QChildEvent( Type type, QObject *child );
+    ~QChildEvent();
+    QObject *child() const { return c; }
+    bool added() const { return type() == ChildAdded; }
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT bool inserted() const { return type() == ChildInserted; }
+#endif
+    bool polished() const { return type() == ChildPolished; }
+    bool removed() const { return type() == ChildRemoved; }
+protected:
+    QObject *c;
+};
+
+#ifdef QT3_SUPPORT
+class Q_CORE_EXPORT QCustomEvent : public QEvent
+{
+public:
+    QT3_SUPPORT_CONSTRUCTOR QCustomEvent(int type, void *data = 0);
+    ~QCustomEvent();
+    QT3_SUPPORT void *data()  const { return d; }
+    QT3_SUPPORT void setData(void* aData) { d = reinterpret_cast<QEventPrivate *>(aData); }
+};
+#endif
+
+class Q_CORE_EXPORT QDynamicPropertyChangeEvent : public QEvent
+{
+public:
+    QDynamicPropertyChangeEvent(const QByteArray &name);
+    ~QDynamicPropertyChangeEvent();
+
+    inline QByteArray propertyName() const { return n; }
+
+private:
+    QByteArray n;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QCOREEVENT_H
diff --git a/src/corelib/kernel/qcoreglobaldata.cpp b/src/corelib/kernel/qcoreglobaldata.cpp
new file mode 100644
index 0000000000..c756b6ae3b
--- /dev/null
+++ b/src/corelib/kernel/qcoreglobaldata.cpp
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcoreglobaldata_p.h"
+
+#include <QtDebug>
+
+QT_BEGIN_NAMESPACE
+
+Q_GLOBAL_STATIC(QCoreGlobalData, globalInstance)
+
+QCoreGlobalData *QCoreGlobalData::instance()
+{
+    return globalInstance();
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qcoreglobaldata_p.h b/src/corelib/kernel/qcoreglobaldata_p.h
new file mode 100644
index 0000000000..b4904ab1e9
--- /dev/null
+++ b/src/corelib/kernel/qcoreglobaldata_p.h
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOREGLOBALDATA_P_H
+#define QCOREGLOBALDATA_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qmap.h"
+#include "QtCore/qstringlist.h"
+#include "QtCore/qreadwritelock.h"
+
+QT_BEGIN_NAMESPACE
+
+struct QCoreGlobalData {
+    QMap<QString, QStringList> dirSearchPaths;
+    QReadWriteLock dirSearchPathsLock;
+
+    static QCoreGlobalData *instance();
+};
+
+
+QT_END_NAMESPACE
+#endif // QCOREGLOBALDATA_P_H
+
diff --git a/src/corelib/kernel/qcrashhandler.cpp b/src/corelib/kernel/qcrashhandler.cpp
new file mode 100644
index 0000000000..7350b66ec0
--- /dev/null
+++ b/src/corelib/kernel/qcrashhandler.cpp
@@ -0,0 +1,420 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*************************************************************************
+ *
+ * stacktrace.c 1.2 1998/12/21
+ *
+ * Copyright (c) 1998 by Bjorn Reese <breese@imada.ou.dk>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE AUTHORS AND
+ * CONTRIBUTORS ACCEPT NO RESPONSIBILITY IN ANY CONCEIVABLE MANNER.
+ *
+ ************************************************************************/
+
+#include "qplatformdefs.h"
+#include "private/qcrashhandler_p.h"
+#include "qbytearray.h" // for qvsnprintf()
+
+#ifndef QT_NO_CRASHHANDLER
+
+#include <stdio.h>
+#include <signal.h>
+#include <stdlib.h>
+
+QT_BEGIN_NAMESPACE
+
+QtCrashHandler QSegfaultHandler::callback = 0;
+
+#if defined(__GLIBC__) && (__GLIBC__ >= 2) && !defined(__UCLIBC__) && !defined(QT_LINUXBASE)
+QT_BEGIN_INCLUDE_NAMESPACE
+# include "qstring.h"
+# include <execinfo.h>
+QT_END_INCLUDE_NAMESPACE
+
+static void print_backtrace(FILE *outb)
+{
+    void *stack[128];
+    int stack_size = backtrace(stack, sizeof(stack) / sizeof(void *));
+    char **stack_symbols = backtrace_symbols(stack, stack_size);
+    fprintf(outb, "Stack [%d]:\n", stack_size);
+    if(FILE *cppfilt = popen("c++filt", "rw")) {
+        dup2(fileno(outb), fileno(cppfilt));
+        for(int i = stack_size-1; i>=0; --i)
+            fwrite(stack_symbols[i], 1, strlen(stack_symbols[i]), cppfilt);
+        pclose(cppfilt);
+    } else {
+        for(int i = stack_size-1; i>=0; --i)
+            fprintf(outb, "#%d  %p [%s]\n", i, stack[i], stack_symbols[i]);
+    }
+}
+static void init_backtrace(char **, int)
+{
+}
+
+#else /* Don't use the GLIBC callback */
+/* Code sourced from: */
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#if defined(Q_OS_IRIX) && defined(USE_LIBEXC)
+# include <libexc.h>
+#endif
+QT_END_INCLUDE_NAMESPACE
+
+
+static char *globalProgName = NULL;
+static bool backtrace_command(FILE *outb, const char *format, ...)
+{
+
+    bool ret = false;
+    char buffer[50];
+
+    /*
+     * Please note that vsnprintf() is not ASync safe (ie. cannot safely
+     * be used from a signal handler.) If this proves to be a problem
+     * then the cmd string can be built by more basic functions such as
+     * strcpy, strcat, and a home-made integer-to-ascii function.
+     */
+    va_list args;
+    char cmd[512];
+    va_start(args, format);
+    qvsnprintf(cmd, 512, format, args);
+    va_end(args);
+
+    char *foo = cmd;
+#if 0
+    foo = "echo hi";
+#endif
+    if(FILE *inb = popen(foo, "r")) {
+        while(!feof(inb)) {
+            int len = fread(buffer, 1, sizeof(buffer), inb);
+            if(!len)
+                break;
+            if(!ret) {
+                fwrite("Output from ", 1, strlen("Output from "), outb);
+                strtok(cmd, " ");
+                fwrite(cmd, 1, strlen(cmd), outb);
+                fwrite("\n", 1, 1, outb);
+                ret = true;
+            }
+            fwrite(buffer, 1, len, outb);
+        }
+        fclose(inb);
+    }
+    return ret;
+}
+
+static void init_backtrace(char **argv, int argc)
+{
+    if(argc >= 1)
+        globalProgName = argv[0];
+}
+
+static void print_backtrace(FILE *outb)
+{
+    /*
+     * In general dbx seems to do a better job than gdb.
+     *
+     * Different dbx implementations require different flags/commands.
+     */
+#if defined(Q_OS_AIX)
+    if(backtrace_command(outb, "dbx -a %d 2>/dev/null <<EOF\n"
+                         "where\n"
+                         "detach\n"
+                         "EOF\n",
+                         (int)getpid()))
+        return;
+    if(backtrace_command(outb, "gdb -q %s %d 2>/dev/null <<EOF\n"
+                         "set prompt\n"
+                         "where\n"
+                         "detach\n"
+                         "quit\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+#elif defined(Q_OS_FREEBSD)
+    /*
+     * FreeBSD insists on sending a SIGSTOP to the process we
+     * attach to, so we let the debugger send a SIGCONT to that
+     * process after we have detached.
+     */
+    if(backtrace_command(outb, "gdb -q %s %d 2>/dev/null <<EOF\n"
+                         "set prompt\n"
+                         "where\n"
+                         "detach\n"
+                         "shell kill -CONT %d\n"
+                         "quit\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid(), (int)getpid()))
+        return;
+#elif defined(Q_OS_HPUX)
+    /*
+     * HP decided to call their debugger xdb.
+     *
+     * This does not seem to work properly yet. The debugger says
+     * "Note: Stack traces may not be possible until you are
+     *  stopped in user code." on HP-UX 09.01
+     *
+     * -L = line-oriented interface.
+     * "T [depth]" gives a stacktrace with local variables.
+     * The final "y" is confirmation to the quit command.
+     */
+    if(backtrace_command(outb, "xdb -P %d -L %s 2>&1 <<EOF\n"
+                         "T 50\n"
+                         "q\ny\n"
+                         "EOF\n",
+                         (int)getpid(), globalProgName))
+        return;
+    if(backtrace_command(outb, "gdb -q %s %d 2>/dev/null <<EOF\n"
+                         "set prompt\n"
+                         "where\n"
+                         "detach\n"
+                         "quit\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+#elif defined(Q_OS_IRIX)
+    /*
+     * "set $page=0" drops hold mode
+     * "dump ." displays the contents of the variables
+     */
+    if(backtrace_command(outb, "dbx -p %d 2>/dev/null <<EOF\n"
+                         "set \\$page=0\n"
+                         "where\n"
+# if !defined(__GNUC__)
+                         /* gcc does not generate this information */
+                         "dump .\n"
+# endif
+                         "detach\n"
+                         "EOF\n",
+                         (int)getpid()))
+        return;
+
+# if defined(USE_LIBEXC)
+    if(trace_back_stack_and_print())
+        return;
+# endif
+    if(backtrace_command(outb, "gdb -q %s %d 2>/dev/null <<EOF\n"
+                         "set prompt\n"
+                         "where\n"
+                         "echo ---\\n\n"
+                         "frame 5\n"      /* Skip signal handler frames */
+                         "set \\$x = 50\n"
+                         "while (\\$x)\n" /* Print local variables for each frame */
+                         "info locals\n"
+                         "up\n"
+                         "set \\$x--\n"
+                         "end\n"
+                         "echo ---\\n\n"
+                         "detach\n"
+                         "quit\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+#elif defined(Q_OS_OSF)
+    if(backtrace_command(outb, "dbx -pid %d %s 2>/dev/null <<EOF\n"
+                         "where\n"
+                         "detach\n"
+                         "quit\n"
+                         "EOF\n",
+                         (int)getpid(), globalProgName))
+        return;
+    if(backtrace_command(outb, "gdb -q %s %d 2>/dev/null <<EOF\n"
+                         "set prompt\n"
+                         "where\n"
+                         "detach\n"
+                         "quit\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+#elif defined(Q_OS_SCO)
+    /*
+     * SCO OpenServer dbx is like a catch-22. The 'detach' command
+     * depends on whether ptrace(S) support detaching or not. If it
+     * is supported then 'detach' must be used, otherwise the process
+     * will be killed upon dbx exit. If it isn't supported then 'detach'
+     * will cause the process to be killed. We do not want it to be
+     * killed.
+     *
+     * Out of two evils, the omission of 'detach' was chosen because
+     * it worked on our system.
+     */
+    if(backtrace_command(outb, "dbx %s %d 2>/dev/null <<EOF\n"
+                         "where\n"
+                         "quit\nEOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+    if(backtrace_command(outb, "gdb -q %s %d 2>/dev/null <<EOF\n"
+                         "set prompt\n"
+                         "where\n"
+                         "detach\n"
+                         "quit\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+#elif defined(Q_OS_SOLARIS)
+    if(backtrace_command(outb, "dbx %s %d 2>/dev/null <<EOF\n"
+                         "where\n"
+                         "detach\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+    if(backtrace_command(outb, "gdb -q %s %d 2>/dev/null <<EOF\n"
+                         "set prompt\n"
+                         "where\n"
+                         "echo ---\\n\n"
+                         "frame 5\n"      /* Skip signal handler frames */
+                         "set \\$x = 50\n"
+                         "while (\\$x)\n" /* Print local variables for each frame */
+                         "info locals\n"
+                         "up\n"
+                         "set \\$x--\n"
+                         "end\n"
+                         "echo ---\\n\n"
+                         "detach\n"
+                         "quit\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+    if(backtrace_command(outb, "/usr/proc/bin/pstack %d",
+                         (int)getpid()))
+        return;
+    /*
+     * Other Unices (AIX, HPUX, SCO) also have adb, but
+     * they seem unable to attach to a running process.)
+     */
+    if(backtrace_command(outb, "adb %s 2>&1 <<EOF\n"
+                         "0t%d:A\n" /* Attach to pid */
+                         "\\$c\n"   /* print stacktrace */
+                         ":R\n"     /* Detach */
+                         "\\$q\n"   /* Quit */
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+#else /* All other platforms */
+    /*
+     * TODO: SCO/UnixWare 7 must be something like (not tested)
+     *  debug -i c <pid> <<EOF\nstack -f 4\nquit\nEOF\n
+     */
+# if !defined(__GNUC__)
+    if(backtrace_command(outb, "dbx %s %d 2>/dev/null <<EOF\n"
+                         "where\n"
+                         "detach\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+# endif
+    if(backtrace_command(outb, "gdb -q %s %d 2>/dev/null <<EOF\n"
+                         "set prompt\n"
+                         "where\n"
+#if 0
+                         "echo ---\\n\n"
+                         "frame 4\n"
+                         "set \\$x = 50\n"
+                         "while (\\$x)\n"
+                         "info locals\n"
+                         "up\n"
+                         "set \\$x--\n"
+                         "end\n"
+                         "echo ---\\n\n"
+#endif
+                         "detach\n"
+                         "quit\n"
+                         "EOF\n",
+                         globalProgName, (int)getpid()))
+        return;
+#endif
+    const char debug_err[] = "No debugger found\n";
+    fwrite(debug_err, strlen(debug_err), 1, outb);
+}
+/* end of copied code */
+#endif
+
+
+void qt_signal_handler(int sig)
+{
+    signal(sig, SIG_DFL);
+    if(QSegfaultHandler::callback) {
+        (*QSegfaultHandler::callback)();
+        _exit(1);
+    }
+    FILE *outb = stderr;
+    if(char *crash_loc = ::getenv("QT_CRASH_OUTPUT")) {
+        if(FILE *new_outb = fopen(crash_loc, "w")) {
+            fprintf(stderr, "Crash (backtrace written to %s)!!!\n", crash_loc);
+            outb = new_outb;
+        }
+    } else {
+        fprintf(outb, "Crash!!!\n");
+    }
+    print_backtrace(outb);
+    if(outb != stderr)
+        fclose(outb);
+    _exit(1);
+}
+
+
+void
+QSegfaultHandler::initialize(char **argv, int argc)
+{
+    init_backtrace(argv, argc);
+
+    struct sigaction SignalAction;
+    SignalAction.sa_flags = 0;
+    SignalAction.sa_handler = qt_signal_handler;
+    sigemptyset(&SignalAction.sa_mask);
+    sigaction(SIGSEGV, &SignalAction, NULL);
+    sigaction(SIGBUS, &SignalAction, NULL);
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CRASHHANDLER
diff --git a/src/corelib/kernel/qcrashhandler_p.h b/src/corelib/kernel/qcrashhandler_p.h
new file mode 100644
index 0000000000..d41e6370eb
--- /dev/null
+++ b/src/corelib/kernel/qcrashhandler_p.h
@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCRASHHANDLER_P_H
+#define QCRASHHANDLER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CRASHHANDLER
+
+QT_BEGIN_NAMESPACE
+
+typedef void (*QtCrashHandler)();
+
+class Q_CORE_EXPORT QSegfaultHandler
+{
+    friend void qt_signal_handler(int);
+    static QtCrashHandler callback;
+public:
+    static void initialize(char **, int);
+
+    inline static void installCrashHandler(QtCrashHandler h) { callback = h; }
+    inline static QtCrashHandler crashHandler() { return callback; }
+
+private:
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_CRASHHANDLER
+
+#endif // QCRASHHANDLER_P_H
diff --git a/src/corelib/kernel/qeventdispatcher_glib.cpp b/src/corelib/kernel/qeventdispatcher_glib.cpp
new file mode 100644
index 0000000000..3fd768a45e
--- /dev/null
+++ b/src/corelib/kernel/qeventdispatcher_glib.cpp
@@ -0,0 +1,501 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeventdispatcher_glib_p.h"
+#include "qeventdispatcher_unix_p.h"
+
+#include <private/qthread_p.h>
+
+#include "qcoreapplication.h"
+#include "qsocketnotifier.h"
+
+#include <QtCore/qhash.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qpair.h>
+
+#include <glib.h>
+
+QT_BEGIN_NAMESPACE
+
+struct GPollFDWithQSocketNotifier
+{
+    GPollFD pollfd;
+    QSocketNotifier *socketNotifier;
+};
+
+struct GSocketNotifierSource
+{
+    GSource source;
+    QList<GPollFDWithQSocketNotifier *> pollfds;
+};
+
+static gboolean socketNotifierSourcePrepare(GSource *, gint *timeout)
+{
+    if (timeout)
+        *timeout = -1;
+    return false;
+}
+
+static gboolean socketNotifierSourceCheck(GSource *source)
+{
+    GSocketNotifierSource *src = reinterpret_cast<GSocketNotifierSource *>(source);
+
+    bool pending = false;
+    for (int i = 0; !pending && i < src->pollfds.count(); ++i) {
+        GPollFDWithQSocketNotifier *p = src->pollfds.at(i);
+
+        if (p->pollfd.revents & G_IO_NVAL) {
+            // disable the invalid socket notifier
+            static const char *t[] = { "Read", "Write", "Exception" };
+            qWarning("QSocketNotifier: Invalid socket %d and type '%s', disabling...",
+                     p->pollfd.fd, t[int(p->socketNotifier->type())]);
+            // ### note, modifies src->pollfds!
+            p->socketNotifier->setEnabled(false);
+        }
+
+        pending = ((p->pollfd.revents & p->pollfd.events) != 0);
+    }
+
+    return pending;
+}
+
+static gboolean socketNotifierSourceDispatch(GSource *source, GSourceFunc, gpointer)
+{
+    QEvent event(QEvent::SockAct);
+
+    GSocketNotifierSource *src = reinterpret_cast<GSocketNotifierSource *>(source);
+    for (int i = 0; i < src->pollfds.count(); ++i) {
+        GPollFDWithQSocketNotifier *p = src->pollfds.at(i);
+
+        if ((p->pollfd.revents & p->pollfd.events) != 0)
+            QCoreApplication::sendEvent(p->socketNotifier, &event);
+    }
+
+    return true; // ??? don't remove, right?
+}
+
+static GSourceFuncs socketNotifierSourceFuncs = {
+    socketNotifierSourcePrepare,
+    socketNotifierSourceCheck,
+    socketNotifierSourceDispatch,
+    NULL,
+    NULL,
+    NULL
+};
+
+struct GTimerSource
+{
+    GSource source;
+    QTimerInfoList timerList;
+    QEventLoop::ProcessEventsFlags processEventsFlags;
+};
+
+static gboolean timerSourcePrepare(GSource *source, gint *timeout)
+{
+    gint dummy;
+    if (!timeout)
+        timeout = &dummy;
+
+    GTimerSource *src = reinterpret_cast<GTimerSource *>(source);
+
+    timeval tv = { 0l, 0l };
+    if (!(src->processEventsFlags & QEventLoop::X11ExcludeTimers) && src->timerList.timerWait(tv))
+        *timeout = (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
+    else
+        *timeout = -1;
+
+    return (*timeout == 0);
+}
+
+static gboolean timerSourceCheck(GSource *source)
+{
+    GTimerSource *src = reinterpret_cast<GTimerSource *>(source);
+
+    if (src->timerList.isEmpty()
+        || (src->processEventsFlags & QEventLoop::X11ExcludeTimers))
+        return false;
+
+    if (src->timerList.updateCurrentTime() < src->timerList.first()->timeout)
+        return false;
+
+    return true;
+}
+
+static gboolean timerSourceDispatch(GSource *source, GSourceFunc, gpointer)
+{
+    (void) reinterpret_cast<GTimerSource *>(source)->timerList.activateTimers();
+    return true; // ??? don't remove, right again?
+}
+
+static GSourceFuncs timerSourceFuncs = {
+    timerSourcePrepare,
+    timerSourceCheck,
+    timerSourceDispatch,
+    NULL,
+    NULL,
+    NULL
+};
+
+struct GPostEventSource
+{
+    GSource source;
+    QAtomicInt serialNumber;
+    int lastSerialNumber;
+};
+
+static gboolean postEventSourcePrepare(GSource *s, gint *timeout)
+{
+    QThreadData *data = QThreadData::current();
+    if (!data)
+        return false;
+
+    gint dummy;
+    if (!timeout)
+        timeout = &dummy;
+    *timeout = data->canWait ? -1 : 0;
+
+    GPostEventSource *source = reinterpret_cast<GPostEventSource *>(s);
+    return (!data->canWait
+            || (source->serialNumber != source->lastSerialNumber));
+}
+
+static gboolean postEventSourceCheck(GSource *source)
+{
+    return postEventSourcePrepare(source, 0);
+}
+
+static gboolean postEventSourceDispatch(GSource *s, GSourceFunc, gpointer)
+{
+    GPostEventSource *source = reinterpret_cast<GPostEventSource *>(s);
+    source->lastSerialNumber = source->serialNumber;
+    QCoreApplication::sendPostedEvents();
+    return true; // i dunno, george...
+}
+
+static GSourceFuncs postEventSourceFuncs = {
+    postEventSourcePrepare,
+    postEventSourceCheck,
+    postEventSourceDispatch,
+    NULL,
+    NULL,
+    NULL
+};
+
+
+QEventDispatcherGlibPrivate::QEventDispatcherGlibPrivate(GMainContext *context)
+    : mainContext(context)
+{
+    if (qgetenv("QT_NO_THREADED_GLIB").isEmpty()) {
+        if (!g_thread_supported())
+            g_thread_init(NULL);
+    }
+
+    if (mainContext) {
+        g_main_context_ref(mainContext);
+    } else {
+        QCoreApplication *app = QCoreApplication::instance();
+	if (app && QThread::currentThread() == app->thread()) {
+	    mainContext = g_main_context_default();
+	    g_main_context_ref(mainContext);
+	} else {
+	    mainContext = g_main_context_new();
+	}
+    }
+
+    postEventSource = reinterpret_cast<GPostEventSource *>(g_source_new(&postEventSourceFuncs,
+                                                                        sizeof(GPostEventSource)));
+    postEventSource->serialNumber = 1;
+    g_source_set_can_recurse(&postEventSource->source, true);
+    g_source_attach(&postEventSource->source, mainContext);
+
+    // setup socketNotifierSource
+    socketNotifierSource =
+        reinterpret_cast<GSocketNotifierSource *>(g_source_new(&socketNotifierSourceFuncs,
+                                                               sizeof(GSocketNotifierSource)));
+    (void) new (&socketNotifierSource->pollfds) QList<GPollFDWithQSocketNotifier *>();
+    g_source_set_can_recurse(&socketNotifierSource->source, true);
+    g_source_attach(&socketNotifierSource->source, mainContext);
+
+    // setup timerSource
+    timerSource = reinterpret_cast<GTimerSource *>(g_source_new(&timerSourceFuncs,
+                                                                sizeof(GTimerSource)));
+    (void) new (&timerSource->timerList) QTimerInfoList();
+    timerSource->processEventsFlags = QEventLoop::AllEvents;
+    g_source_set_can_recurse(&timerSource->source, true);
+    g_source_attach(&timerSource->source, mainContext);
+}
+
+QEventDispatcherGlib::QEventDispatcherGlib(QObject *parent)
+    : QAbstractEventDispatcher(*(new QEventDispatcherGlibPrivate), parent)
+{
+}
+
+QEventDispatcherGlib::QEventDispatcherGlib(GMainContext *mainContext,
+					   QObject *parent)
+    : QAbstractEventDispatcher(*(new QEventDispatcherGlibPrivate(mainContext)),
+			       parent)
+{
+}
+
+QEventDispatcherGlib::~QEventDispatcherGlib()
+{
+    Q_D(QEventDispatcherGlib);
+
+    // destroy all timer sources
+    qDeleteAll(d->timerSource->timerList);
+    d->timerSource->timerList.~QTimerInfoList();
+    g_source_destroy(&d->timerSource->source);
+    g_source_unref(&d->timerSource->source);
+    d->timerSource = 0;
+
+    // destroy socket notifier source
+    for (int i = 0; i < d->socketNotifierSource->pollfds.count(); ++i) {
+        GPollFDWithQSocketNotifier *p = d->socketNotifierSource->pollfds[i];
+        g_source_remove_poll(&d->socketNotifierSource->source, &p->pollfd);
+        delete p;
+    }
+    d->socketNotifierSource->pollfds.~QList<GPollFDWithQSocketNotifier *>();
+    g_source_destroy(&d->socketNotifierSource->source);
+    g_source_unref(&d->socketNotifierSource->source);
+    d->socketNotifierSource = 0;
+
+    // destroy post event source
+    g_source_destroy(&d->postEventSource->source);
+    g_source_unref(&d->postEventSource->source);
+    d->postEventSource = 0;
+
+    Q_ASSERT(d->mainContext != 0);
+    g_main_context_unref(d->mainContext);
+    d->mainContext = 0;
+}
+
+bool QEventDispatcherGlib::processEvents(QEventLoop::ProcessEventsFlags flags)
+{
+    Q_D(QEventDispatcherGlib);
+
+    const bool canWait = (flags & QEventLoop::WaitForMoreEvents);
+    if (canWait)
+        emit aboutToBlock();
+    else
+        emit awake();
+
+    // tell postEventSourcePrepare() and timerSource about any new flags
+    QEventLoop::ProcessEventsFlags savedFlags = d->timerSource->processEventsFlags;
+    d->timerSource->processEventsFlags = flags;
+    
+    bool result = g_main_context_iteration(d->mainContext, canWait);
+    while (!result && canWait)
+        result = g_main_context_iteration(d->mainContext, canWait);
+    
+    d->timerSource->processEventsFlags = savedFlags;
+
+    if (canWait)
+        emit awake();
+
+    return result;
+}
+
+bool QEventDispatcherGlib::hasPendingEvents()
+{
+    Q_D(QEventDispatcherGlib);
+    return g_main_context_pending(d->mainContext);
+}
+
+void QEventDispatcherGlib::registerSocketNotifier(QSocketNotifier *notifier)
+{
+    Q_ASSERT(notifier);
+    int sockfd = notifier->socket();
+    int type = notifier->type();
+#ifndef QT_NO_DEBUG
+    if (sockfd < 0) {
+        qWarning("QSocketNotifier: Internal error");
+        return;
+    } else if (notifier->thread() != thread()
+               || thread() != QThread::currentThread()) {
+        qWarning("QSocketNotifier: socket notifiers cannot be enabled from another thread");
+        return;
+    }
+#endif
+
+    Q_D(QEventDispatcherGlib);
+
+
+    GPollFDWithQSocketNotifier *p = new GPollFDWithQSocketNotifier;
+    p->pollfd.fd = sockfd;
+    switch (type) {
+    case QSocketNotifier::Read:
+        p->pollfd.events = G_IO_IN | G_IO_HUP | G_IO_ERR;
+        break;
+    case QSocketNotifier::Write:
+        p->pollfd.events = G_IO_OUT | G_IO_ERR;
+        break;
+    case QSocketNotifier::Exception:
+        p->pollfd.events = G_IO_PRI | G_IO_ERR;
+        break;
+    }
+    p->socketNotifier = notifier;
+
+    d->socketNotifierSource->pollfds.append(p);
+
+    g_source_add_poll(&d->socketNotifierSource->source, &p->pollfd);
+}
+
+void QEventDispatcherGlib::unregisterSocketNotifier(QSocketNotifier *notifier)
+{
+    Q_ASSERT(notifier);
+#ifndef QT_NO_DEBUG
+    int sockfd = notifier->socket();
+    if (sockfd < 0) {
+        qWarning("QSocketNotifier: Internal error");
+        return;
+    } else if (notifier->thread() != thread()
+               || thread() != QThread::currentThread()) {
+        qWarning("QSocketNotifier: socket notifiers cannot be disabled from another thread");
+        return;
+    }
+#endif
+
+    Q_D(QEventDispatcherGlib);
+
+    for (int i = 0; i < d->socketNotifierSource->pollfds.count(); ++i) {
+        GPollFDWithQSocketNotifier *p = d->socketNotifierSource->pollfds.at(i);
+        if (p->socketNotifier == notifier) {
+            // found it
+            g_source_remove_poll(&d->socketNotifierSource->source, &p->pollfd);
+
+            d->socketNotifierSource->pollfds.removeAt(i);
+            delete p;
+
+            return;
+        }
+    }
+}
+
+void QEventDispatcherGlib::registerTimer(int timerId, int interval, QObject *object)
+{
+#ifndef QT_NO_DEBUG
+    if (timerId < 1 || interval < 0 || !object) {
+        qWarning("QEventDispatcherUNIX::registerTimer: invalid arguments");
+        return;
+    } else if (object->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QObject::startTimer: timers cannot be started from another thread");
+        return;
+    }
+#endif
+
+    Q_D(QEventDispatcherGlib);
+    d->timerSource->timerList.registerTimer(timerId, interval, object);
+}
+
+bool QEventDispatcherGlib::unregisterTimer(int timerId)
+{
+#ifndef QT_NO_DEBUG
+    if (timerId < 1) {
+        qWarning("QEventDispatcherUNIX::unregisterTimer: invalid argument");
+        return false;
+    } else if (thread() != QThread::currentThread()) {
+        qWarning("QObject::killTimer: timers cannot be stopped from another thread");
+        return false;
+    }
+#endif
+
+    Q_D(QEventDispatcherGlib);
+    return d->timerSource->timerList.unregisterTimer(timerId);
+}
+
+bool QEventDispatcherGlib::unregisterTimers(QObject *object)
+{
+#ifndef QT_NO_DEBUG
+    if (!object) {
+        qWarning("QEventDispatcherUNIX::unregisterTimers: invalid argument");
+        return false;
+    } else if (object->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QObject::killTimers: timers cannot be stopped from another thread");
+        return false;
+    }
+#endif
+
+    Q_D(QEventDispatcherGlib);
+    return d->timerSource->timerList.unregisterTimers(object);
+}
+
+QList<QEventDispatcherGlib::TimerInfo> QEventDispatcherGlib::registeredTimers(QObject *object) const
+{
+    if (!object) {
+        qWarning("QEventDispatcherUNIX:registeredTimers: invalid argument");
+        return QList<TimerInfo>();
+    }
+
+    Q_D(const QEventDispatcherGlib);
+    return d->timerSource->timerList.registeredTimers(object);
+}
+
+void QEventDispatcherGlib::interrupt()
+{
+    wakeUp();
+}
+
+void QEventDispatcherGlib::wakeUp()
+{
+    Q_D(QEventDispatcherGlib);
+    d->postEventSource->serialNumber.ref();
+    g_main_context_wakeup(d->mainContext);
+}
+
+void QEventDispatcherGlib::flush()
+{
+}
+
+bool QEventDispatcherGlib::versionSupported()
+{
+#if !defined(GLIB_MAJOR_VERSION) || !defined(GLIB_MINOR_VERSION) || !defined(GLIB_MICRO_VERSION)
+    return false;
+#else
+    return ((GLIB_MAJOR_VERSION << 16) + (GLIB_MINOR_VERSION << 8) + GLIB_MICRO_VERSION) >= 0x020301;
+#endif
+}
+
+QEventDispatcherGlib::QEventDispatcherGlib(QEventDispatcherGlibPrivate &dd, QObject *parent)
+    : QAbstractEventDispatcher(dd, parent)
+{
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qeventdispatcher_glib_p.h b/src/corelib/kernel/qeventdispatcher_glib_p.h
new file mode 100644
index 0000000000..a2e6c3b967
--- /dev/null
+++ b/src/corelib/kernel/qeventdispatcher_glib_p.h
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QEVENTDISPATCHER_GLIB_P_H
+#define QEVENTDISPATCHER_GLIB_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qabstracteventdispatcher.h"
+#include "qabstracteventdispatcher_p.h"
+
+#include <QtCore/qhash.h>
+
+typedef struct _GMainContext GMainContext;
+
+QT_BEGIN_NAMESPACE
+
+class QEventDispatcherGlibPrivate;
+
+class Q_CORE_EXPORT QEventDispatcherGlib : public QAbstractEventDispatcher
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QEventDispatcherGlib)
+
+public:
+    explicit QEventDispatcherGlib(QObject *parent = 0);
+    explicit QEventDispatcherGlib(GMainContext *context, QObject *parent = 0);
+    ~QEventDispatcherGlib();
+
+    bool processEvents(QEventLoop::ProcessEventsFlags flags);
+    bool hasPendingEvents();
+
+    void registerSocketNotifier(QSocketNotifier *socketNotifier);
+    void unregisterSocketNotifier(QSocketNotifier *socketNotifier);
+
+    void registerTimer(int timerId, int interval, QObject *object);
+    bool unregisterTimer(int timerId);
+    bool unregisterTimers(QObject *object);
+    QList<TimerInfo> registeredTimers(QObject *object) const;
+
+    void wakeUp();
+    void interrupt();
+    void flush();
+
+    static bool versionSupported();
+
+protected:
+    QEventDispatcherGlib(QEventDispatcherGlibPrivate &dd, QObject *parent);
+};
+
+struct GPostEventSource;
+struct GSocketNotifierSource;
+struct GTimerSource;
+
+class Q_CORE_EXPORT QEventDispatcherGlibPrivate : public QAbstractEventDispatcherPrivate
+{
+
+public:
+    QEventDispatcherGlibPrivate(GMainContext *context = 0);
+    GMainContext *mainContext;
+    GPostEventSource *postEventSource;
+    GSocketNotifierSource *socketNotifierSource;
+    GTimerSource *timerSource;
+};
+
+QT_END_NAMESPACE
+
+#endif // QEVENTDISPATCHER_GLIB_P_H
diff --git a/src/corelib/kernel/qeventdispatcher_unix.cpp b/src/corelib/kernel/qeventdispatcher_unix.cpp
new file mode 100644
index 0000000000..6aa3b56fa7
--- /dev/null
+++ b/src/corelib/kernel/qeventdispatcher_unix.cpp
@@ -0,0 +1,957 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include "qcoreapplication.h"
+#include "qpair.h"
+#include "qsocketnotifier.h"
+#include "qthread.h"
+
+#include "qeventdispatcher_unix_p.h"
+#include <private/qthread_p.h>
+#include <private/qcoreapplication_p.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#if (_POSIX_MONOTONIC_CLOCK-0 <= 0) || defined(QT_BOOTSTRAPPED)
+#  include <sys/times.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+Q_CORE_EXPORT bool qt_disable_lowpriority_timers=false;
+
+/*****************************************************************************
+ UNIX signal handling
+ *****************************************************************************/
+
+static sig_atomic_t signal_received;
+static sig_atomic_t signals_fired[NSIG];
+
+static void signalHandler(int sig)
+{
+    signals_fired[sig] = 1;
+    signal_received = 1;
+}
+
+
+static void initThreadPipeFD(int fd)
+{
+    int ret = fcntl(fd, F_SETFD, FD_CLOEXEC);
+    if (ret == -1)
+        perror("QEventDispatcherUNIXPrivate: Unable to init thread pipe");
+
+    int flags = fcntl(fd, F_GETFL);
+    if (flags == -1)
+        perror("QEventDispatcherUNIXPrivate: Unable to get flags on thread pipe");
+
+    ret = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+    if (ret == -1)
+        perror("QEventDispatcherUNIXPrivate: Unable to set flags on thread pipe");
+}
+
+
+QEventDispatcherUNIXPrivate::QEventDispatcherUNIXPrivate()
+{
+    extern Qt::HANDLE qt_application_thread_id;
+    mainThread = (QThread::currentThreadId() == qt_application_thread_id);
+
+    // initialize the common parts of the event loop
+#ifdef Q_OS_INTEGRITY
+    // INTEGRITY doesn't like a "select" on pipes, so use socketpair instead
+    if (socketpair(AF_INET, SOCK_STREAM, PF_INET, thread_pipe) == -1)
+        perror("QEventDispatcherUNIXPrivate(): Unable to create socket pair");
+#else
+    if (pipe(thread_pipe) == -1)
+        perror("QEventDispatcherUNIXPrivate(): Unable to create thread pipe");
+#endif
+
+    initThreadPipeFD(thread_pipe[0]);
+    initThreadPipeFD(thread_pipe[1]);
+
+    sn_highest = -1;
+
+    interrupt = false;
+}
+
+QEventDispatcherUNIXPrivate::~QEventDispatcherUNIXPrivate()
+{
+    // cleanup the common parts of the event loop
+    close(thread_pipe[0]);
+    close(thread_pipe[1]);
+
+    // cleanup timers
+    qDeleteAll(timerList);
+}
+
+int QEventDispatcherUNIXPrivate::doSelect(QEventLoop::ProcessEventsFlags flags, timeval *timeout)
+{
+    Q_Q(QEventDispatcherUNIX);
+
+    // needed in QEventDispatcherUNIX::select()
+    timerList.updateCurrentTime();
+
+    int nsel;
+    do {
+        if (mainThread) {
+            while (signal_received) {
+                signal_received = 0;
+                for (int i = 0; i < NSIG; ++i) {
+                    if (signals_fired[i]) {
+                        signals_fired[i] = 0;
+                        emit QCoreApplication::instance()->unixSignal(i);
+                    }
+                }
+            }
+        }
+
+        // Process timers and socket notifiers - the common UNIX stuff
+        int highest = 0;
+        if (! (flags & QEventLoop::ExcludeSocketNotifiers) && (sn_highest >= 0)) {
+            // return the highest fd we can wait for input on
+                sn_vec[0].select_fds = sn_vec[0].enabled_fds;
+                sn_vec[1].select_fds = sn_vec[1].enabled_fds;
+                sn_vec[2].select_fds = sn_vec[2].enabled_fds;
+            highest = sn_highest;
+        } else {
+            FD_ZERO(&sn_vec[0].select_fds);
+            FD_ZERO(&sn_vec[1].select_fds);
+            FD_ZERO(&sn_vec[2].select_fds);
+        }
+
+        FD_SET(thread_pipe[0], &sn_vec[0].select_fds);
+        highest = qMax(highest, thread_pipe[0]);
+
+        nsel = q->select(highest + 1,
+                         &sn_vec[0].select_fds,
+                         &sn_vec[1].select_fds,
+                         &sn_vec[2].select_fds,
+                         timeout);
+    } while (nsel == -1 && (errno == EINTR || errno == EAGAIN));
+
+    if (nsel == -1) {
+        if (errno == EBADF) {
+            // it seems a socket notifier has a bad fd... find out
+            // which one it is and disable it
+            fd_set fdset;
+            timeval tm;
+            tm.tv_sec = tm.tv_usec = 0l;
+
+            for (int type = 0; type < 3; ++type) {
+                QSockNotType::List &list = sn_vec[type].list;
+                if (list.size() == 0)
+                    continue;
+
+                for (int i = 0; i < list.size(); ++i) {
+                    QSockNot *sn = list.at(i);
+
+                    FD_ZERO(&fdset);
+                    FD_SET(sn->fd, &fdset);
+
+                    int ret = -1;
+                    do {
+                        switch (type) {
+                        case 0: // read
+                            ret = select(sn->fd + 1, &fdset, 0, 0, &tm);
+                            break;
+                        case 1: // write
+                            ret = select(sn->fd + 1, 0, &fdset, 0, &tm);
+                            break;
+                        case 2: // except
+                            ret = select(sn->fd + 1, 0, 0, &fdset, &tm);
+                            break;
+                        }
+                    } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+
+                    if (ret == -1 && errno == EBADF) {
+                        // disable the invalid socket notifier
+                        static const char *t[] = { "Read", "Write", "Exception" };
+                        qWarning("QSocketNotifier: Invalid socket %d and type '%s', disabling...",
+                                 sn->fd, t[type]);
+                        sn->obj->setEnabled(false);
+                    }
+                }
+            }
+        } else {
+            // EINVAL... shouldn't happen, so let's complain to stderr
+            // and hope someone sends us a bug report
+            perror("select");
+        }
+    }
+
+    // some other thread woke us up... consume the data on the thread pipe so that
+    // select doesn't immediately return next time
+    int nevents = 0;
+    if (nsel > 0 && FD_ISSET(thread_pipe[0], &sn_vec[0].select_fds)) {
+        char c[16];
+        while (::read(thread_pipe[0], c, sizeof(c)) > 0)
+            ;
+        if (!wakeUps.testAndSetRelease(1, 0)) {
+            // hopefully, this is dead code
+            qWarning("QEventDispatcherUNIX: internal error, wakeUps.testAndSetRelease(1, 0) failed!");
+        }
+        ++nevents;
+    }
+
+    // activate socket notifiers
+    if (! (flags & QEventLoop::ExcludeSocketNotifiers) && nsel > 0 && sn_highest >= 0) {
+        // if select says data is ready on any socket, then set the socket notifier
+        // to pending
+        for (int i=0; i<3; i++) {
+            QSockNotType::List &list = sn_vec[i].list;
+            for (int j = 0; j < list.size(); ++j) {
+                QSockNot *sn = list.at(j);
+                if (FD_ISSET(sn->fd, &sn_vec[i].select_fds))
+                    q->setSocketNotifierPending(sn->obj);
+            }
+        }
+    }
+    return (nevents + q->activateSocketNotifiers());
+}
+
+/*
+ * Internal functions for manipulating timer data structures.  The
+ * timerBitVec array is used for keeping track of timer identifiers.
+ */
+
+QTimerInfoList::QTimerInfoList()
+{
+#if (_POSIX_MONOTONIC_CLOCK-0 <= 0)
+    useMonotonicTimers = false;
+
+#  if (_POSIX_MONOTONIC_CLOCK == 0)
+    // detect if the system support monotonic timers
+    long x = sysconf(_SC_MONOTONIC_CLOCK);
+    useMonotonicTimers = x >= 200112L;
+#  endif
+
+    getTime(currentTime);
+
+    if (!useMonotonicTimers) {
+        // not using monotonic timers, initialize the timeChanged() machinery
+        previousTime = currentTime;
+
+        tms unused;
+        previousTicks = times(&unused);
+
+        ticksPerSecond = sysconf(_SC_CLK_TCK);
+        msPerTick = 1000/ticksPerSecond;
+    } else {
+        // detected monotonic timers
+        previousTime.tv_sec = previousTime.tv_usec = 0;
+        previousTicks = 0;
+        ticksPerSecond = 0;
+        msPerTick = 0;
+    }
+#else
+    // using monotonic timers unconditionally
+    getTime(currentTime);
+#endif
+
+    firstTimerInfo = currentTimerInfo = 0;
+}
+
+timeval QTimerInfoList::updateCurrentTime()
+{
+    getTime(currentTime);
+    return currentTime;
+}
+
+#if (_POSIX_MONOTONIC_CLOCK-0 <= 0) || defined(QT_BOOTSTRAPPED)
+
+/*
+  Returns true if the real time clock has changed by more than 10%
+  relative to the processor time since the last time this function was
+  called. This presumably means that the system time has been changed.
+
+  If /a delta is nonzero, delta is set to our best guess at how much the system clock was changed.
+*/
+bool QTimerInfoList::timeChanged(timeval *delta)
+{
+    tms unused;
+    clock_t currentTicks = times(&unused);
+
+    int elapsedTicks = currentTicks - previousTicks;
+    timeval elapsedTime = currentTime - previousTime;
+    int elapsedMsecTicks = (elapsedTicks * 1000) / ticksPerSecond;
+    int deltaMsecs = (elapsedTime.tv_sec * 1000 + elapsedTime.tv_usec / 1000)
+                     - elapsedMsecTicks;
+
+    if (delta) {
+	delta->tv_sec = deltaMsecs / 1000;
+	delta->tv_usec = (deltaMsecs % 1000) * 1000;
+    }
+    previousTicks = currentTicks;
+    previousTime = currentTime;
+
+    // If tick drift is more than 10% off compared to realtime, we assume that the clock has
+    // been set. Of course, we have to allow for the tick granularity as well.
+
+     return (qAbs(deltaMsecs) - msPerTick) * 10 > elapsedMsecTicks;
+}
+
+void QTimerInfoList::getTime(timeval &t)
+{
+#if !defined(QT_NO_CLOCK_MONOTONIC) && !defined(QT_BOOTSTRAPPED)
+    if (useMonotonicTimers) {
+        timespec ts;
+        clock_gettime(CLOCK_MONOTONIC, &ts);
+        t.tv_sec = ts.tv_sec;
+        t.tv_usec = ts.tv_nsec / 1000;
+        return;
+    }
+#endif
+
+    gettimeofday(&t, 0);
+    // NTP-related fix
+    while (t.tv_usec >= 1000000l) {
+        t.tv_usec -= 1000000l;
+        ++t.tv_sec;
+    }
+    while (t.tv_usec < 0l) {
+        if (t.tv_sec > 0l) {
+            t.tv_usec += 1000000l;
+            --t.tv_sec;
+        } else {
+            t.tv_usec = 0l;
+            break;
+        }
+    }
+}
+
+void QTimerInfoList::repairTimersIfNeeded()
+{
+    if (useMonotonicTimers)
+        return;
+    timeval delta;
+    if (timeChanged(&delta))
+        timerRepair(delta);
+}
+
+#else // !(_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(QT_BOOTSTRAPPED)
+
+void QTimerInfoList::getTime(timeval &t)
+{
+    timespec ts;
+    clock_gettime(CLOCK_MONOTONIC, &ts);
+    t.tv_sec = ts.tv_sec;
+    t.tv_usec = ts.tv_nsec / 1000;
+}
+
+void QTimerInfoList::repairTimersIfNeeded()
+{
+}
+
+#endif
+
+/*
+  insert timer info into list
+*/
+void QTimerInfoList::timerInsert(QTimerInfo *ti)
+{
+    int index = size();
+    while (index--) {
+        register const QTimerInfo * const t = at(index);
+        if (!(ti->timeout < t->timeout))
+            break;
+    }
+    insert(index+1, ti);
+}
+
+/*
+  repair broken timer
+*/
+void QTimerInfoList::timerRepair(const timeval &diff)
+{
+    // repair all timers
+    for (int i = 0; i < size(); ++i) {
+        register QTimerInfo *t = at(i);
+        t->timeout = t->timeout - diff;
+    }
+}
+
+/*
+  Returns the time to wait for the next timer, or null if no timers
+  are waiting.
+*/
+bool QTimerInfoList::timerWait(timeval &tm)
+{
+    timeval currentTime = updateCurrentTime();
+    repairTimersIfNeeded();
+
+    if (isEmpty())
+        return false;
+
+    QTimerInfo *t = first();        // first waiting timer
+    if (currentTime < t->timeout) {
+        // time to wait
+        tm = t->timeout - currentTime;
+    } else {
+        // no time to wait
+        tm.tv_sec  = 0;
+        tm.tv_usec = 0;
+    }
+
+    return true;
+}
+
+void QTimerInfoList::registerTimer(int timerId, int interval, QObject *object)
+{
+    QTimerInfo *t = new QTimerInfo;
+    t->id = timerId;
+    t->interval.tv_sec  = interval / 1000;
+    t->interval.tv_usec = (interval % 1000) * 1000;
+    t->timeout = updateCurrentTime() + t->interval;
+    t->obj = object;
+    t->inTimerEvent = false;
+
+    timerInsert(t);
+}
+
+bool QTimerInfoList::unregisterTimer(int timerId)
+{
+    // set timer inactive
+    for (int i = 0; i < count(); ++i) {
+        register QTimerInfo *t = at(i);
+        if (t->id == timerId) {
+            // found it
+            removeAt(i);
+            if (t == firstTimerInfo)
+                firstTimerInfo = 0;
+            if (t == currentTimerInfo)
+                currentTimerInfo = 0;
+
+            // release the timer id
+            if (!QObjectPrivate::get(t->obj)->inThreadChangeEvent)
+                QAbstractEventDispatcherPrivate::releaseTimerId(timerId);
+
+            delete t;
+            return true;
+        }
+    }
+    // id not found
+    return false;
+}
+
+bool QTimerInfoList::unregisterTimers(QObject *object)
+{
+    if (isEmpty())
+        return false;
+    for (int i = 0; i < count(); ++i) {
+        register QTimerInfo *t = at(i);
+        if (t->obj == object) {
+            // object found
+            removeAt(i);
+            if (t == firstTimerInfo)
+                firstTimerInfo = 0;
+            if (t == currentTimerInfo)
+                currentTimerInfo = 0;
+
+            // release the timer id
+            if (!QObjectPrivate::get(t->obj)->inThreadChangeEvent)
+                QAbstractEventDispatcherPrivate::releaseTimerId(t->id);
+
+            delete t;
+            // move back one so that we don't skip the new current item
+            --i;
+        }
+    }
+    return true;
+}
+
+QList<QPair<int, int> > QTimerInfoList::registeredTimers(QObject *object) const
+{
+    QList<QPair<int, int> > list;
+    for (int i = 0; i < count(); ++i) {
+        register const QTimerInfo * const t = at(i);
+        if (t->obj == object)
+            list << QPair<int, int>(t->id, t->interval.tv_sec * 1000 + t->interval.tv_usec / 1000);
+    }
+    return list;
+}
+
+/*
+    Activate pending timers, returning how many where activated.
+*/
+int QTimerInfoList::activateTimers()
+{
+    if (qt_disable_lowpriority_timers || isEmpty())
+        return 0; // nothing to do
+
+    bool firstTime = true;
+    timeval currentTime;
+    int n_act = 0, maxCount = count();
+
+    QTimerInfo *saveFirstTimerInfo = firstTimerInfo;
+    QTimerInfo *saveCurrentTimerInfo = currentTimerInfo;
+    firstTimerInfo = currentTimerInfo = 0;
+
+    while (maxCount--) {
+        currentTime = updateCurrentTime();
+        if (firstTime) {
+            repairTimersIfNeeded();
+            firstTime = false;
+        }
+
+        if (isEmpty())
+            break;
+
+        currentTimerInfo = first();
+        if (currentTime < currentTimerInfo->timeout)
+            break; // no timer has expired
+
+        if (!firstTimerInfo) {
+            firstTimerInfo = currentTimerInfo;
+        } else if (firstTimerInfo == currentTimerInfo) {
+            // avoid sending the same timer multiple times
+            break;
+        } else if (currentTimerInfo->interval <  firstTimerInfo->interval
+                   || currentTimerInfo->interval == firstTimerInfo->interval) {
+            firstTimerInfo = currentTimerInfo;
+        }
+
+        // remove from list
+        removeFirst();
+
+        // determine next timeout time
+        currentTimerInfo->timeout += currentTimerInfo->interval;
+        if (currentTimerInfo->timeout < currentTime)
+            currentTimerInfo->timeout = currentTime + currentTimerInfo->interval;
+
+        // reinsert timer
+        timerInsert(currentTimerInfo);
+        if (currentTimerInfo->interval.tv_usec > 0 || currentTimerInfo->interval.tv_sec > 0)
+            n_act++;
+
+        if (!currentTimerInfo->inTimerEvent) {
+            // send event, but don't allow it to recurse
+            currentTimerInfo->inTimerEvent = true;
+
+            QTimerEvent e(currentTimerInfo->id);
+            QCoreApplication::sendEvent(currentTimerInfo->obj, &e);
+
+            if (currentTimerInfo)
+                currentTimerInfo->inTimerEvent = false;
+        }
+    }
+
+    firstTimerInfo = saveFirstTimerInfo;
+    currentTimerInfo = saveCurrentTimerInfo;
+
+    return n_act;
+}
+
+QEventDispatcherUNIX::QEventDispatcherUNIX(QObject *parent)
+    : QAbstractEventDispatcher(*new QEventDispatcherUNIXPrivate, parent)
+{ }
+
+QEventDispatcherUNIX::QEventDispatcherUNIX(QEventDispatcherUNIXPrivate &dd, QObject *parent)
+    : QAbstractEventDispatcher(dd, parent)
+{ }
+
+QEventDispatcherUNIX::~QEventDispatcherUNIX()
+{ }
+
+int QEventDispatcherUNIX::select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+                                 timeval *timeout)
+{
+    Q_D(QEventDispatcherUNIX);
+    if (timeout) {
+        // handle the case where select returns with a timeout, too
+        // soon.
+        timeval tvStart = d->timerList.currentTime;
+        timeval tvCurrent = tvStart;
+        timeval originalTimeout = *timeout;
+
+        int nsel;
+        do {
+            timeval tvRest = originalTimeout + tvStart - tvCurrent;
+            nsel = ::select(nfds, readfds, writefds, exceptfds, &tvRest);
+            d->timerList.getTime(tvCurrent);
+        } while (nsel == 0 && (tvCurrent - tvStart) < originalTimeout);
+
+        return nsel;
+    }
+
+    return ::select(nfds, readfds, writefds, exceptfds, timeout);
+}
+
+/*!
+    \internal
+*/
+void QEventDispatcherUNIX::registerTimer(int timerId, int interval, QObject *obj)
+{
+#ifndef QT_NO_DEBUG
+    if (timerId < 1 || interval < 0 || !obj) {
+        qWarning("QEventDispatcherUNIX::registerTimer: invalid arguments");
+        return;
+    } else if (obj->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QObject::startTimer: timers cannot be started from another thread");
+        return;
+    }
+#endif
+
+    Q_D(QEventDispatcherUNIX);
+    d->timerList.registerTimer(timerId, interval, obj);
+}
+
+/*!
+    \internal
+*/
+bool QEventDispatcherUNIX::unregisterTimer(int timerId)
+{
+#ifndef QT_NO_DEBUG
+    if (timerId < 1) {
+        qWarning("QEventDispatcherUNIX::unregisterTimer: invalid argument");
+        return false;
+    } else if (thread() != QThread::currentThread()) {
+        qWarning("QObject::killTimer: timers cannot be stopped from another thread");
+        return false;
+    }
+#endif
+
+    Q_D(QEventDispatcherUNIX);
+    return d->timerList.unregisterTimer(timerId);
+}
+
+/*!
+    \internal
+*/
+bool QEventDispatcherUNIX::unregisterTimers(QObject *object)
+{
+#ifndef QT_NO_DEBUG
+    if (!object) {
+        qWarning("QEventDispatcherUNIX::unregisterTimers: invalid argument");
+        return false;
+    } else if (object->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QObject::killTimers: timers cannot be stopped from another thread");
+        return false;
+    }
+#endif
+
+    Q_D(QEventDispatcherUNIX);
+    return d->timerList.unregisterTimers(object);
+}
+
+QList<QEventDispatcherUNIX::TimerInfo>
+QEventDispatcherUNIX::registeredTimers(QObject *object) const
+{
+    if (!object) {
+        qWarning("QEventDispatcherUNIX:registeredTimers: invalid argument");
+        return QList<TimerInfo>();
+    }
+
+    Q_D(const QEventDispatcherUNIX);
+    return d->timerList.registeredTimers(object);
+}
+
+/*****************************************************************************
+ Socket notifier type
+ *****************************************************************************/
+QSockNotType::QSockNotType()
+{
+    FD_ZERO(&select_fds);
+    FD_ZERO(&enabled_fds);
+    FD_ZERO(&pending_fds);
+}
+
+QSockNotType::~QSockNotType()
+{
+    while (!list.isEmpty())
+        delete list.takeFirst();
+}
+
+/*****************************************************************************
+ QEventDispatcher implementations for UNIX
+ *****************************************************************************/
+
+void QEventDispatcherUNIX::registerSocketNotifier(QSocketNotifier *notifier)
+{
+    Q_ASSERT(notifier);
+    int sockfd = notifier->socket();
+    int type = notifier->type();
+#ifndef QT_NO_DEBUG
+    if (sockfd < 0
+        || unsigned(sockfd) >= FD_SETSIZE) {
+        qWarning("QSocketNotifier: Internal error");
+        return;
+    } else if (notifier->thread() != thread()
+               || thread() != QThread::currentThread()) {
+        qWarning("QSocketNotifier: socket notifiers cannot be enabled from another thread");
+        return;
+    }
+#endif
+
+    Q_D(QEventDispatcherUNIX);
+    QSockNotType::List &list = d->sn_vec[type].list;
+    fd_set *fds  = &d->sn_vec[type].enabled_fds;
+    QSockNot *sn;
+
+    sn = new QSockNot;
+    sn->obj = notifier;
+    sn->fd = sockfd;
+    sn->queue = &d->sn_vec[type].pending_fds;
+
+    int i;
+    for (i = 0; i < list.size(); ++i) {
+        QSockNot *p = list.at(i);
+        if (p->fd < sockfd)
+            break;
+        if (p->fd == sockfd) {
+            static const char *t[] = { "Read", "Write", "Exception" };
+            qWarning("QSocketNotifier: Multiple socket notifiers for "
+                      "same socket %d and type %s", sockfd, t[type]);
+        }
+    }
+    list.insert(i, sn);
+
+    FD_SET(sockfd, fds);
+    d->sn_highest = qMax(d->sn_highest, sockfd);
+}
+
+void QEventDispatcherUNIX::unregisterSocketNotifier(QSocketNotifier *notifier)
+{
+    Q_ASSERT(notifier);
+    int sockfd = notifier->socket();
+    int type = notifier->type();
+#ifndef QT_NO_DEBUG
+    if (sockfd < 0
+        || unsigned(sockfd) >= FD_SETSIZE) {
+        qWarning("QSocketNotifier: Internal error");
+        return;
+    } else if (notifier->thread() != thread()
+               || thread() != QThread::currentThread()) {
+        qWarning("QSocketNotifier: socket notifiers cannot be disabled from another thread");
+        return;
+    }
+#endif
+
+    Q_D(QEventDispatcherUNIX);
+    QSockNotType::List &list = d->sn_vec[type].list;
+    fd_set *fds  =  &d->sn_vec[type].enabled_fds;
+    QSockNot *sn = 0;
+    int i;
+    for (i = 0; i < list.size(); ++i) {
+        sn = list.at(i);
+        if(sn->obj == notifier && sn->fd == sockfd)
+            break;
+    }
+    if (i == list.size()) // not found
+        return;
+
+    FD_CLR(sockfd, fds);                        // clear fd bit
+    FD_CLR(sockfd, sn->queue);
+    d->sn_pending_list.removeAll(sn);                // remove from activation list
+    list.removeAt(i);                                // remove notifier found above
+    delete sn;
+
+    if (d->sn_highest == sockfd) {                // find highest fd
+        d->sn_highest = -1;
+        for (int i=0; i<3; i++) {
+            if (!d->sn_vec[i].list.isEmpty())
+                d->sn_highest = qMax(d->sn_highest,  // list is fd-sorted
+                                     d->sn_vec[i].list.first()->fd);
+        }
+    }
+}
+
+void QEventDispatcherUNIX::setSocketNotifierPending(QSocketNotifier *notifier)
+{
+    Q_ASSERT(notifier);
+    int sockfd = notifier->socket();
+    int type = notifier->type();
+#ifndef QT_NO_DEBUG
+    if (sockfd < 0
+        || unsigned(sockfd) >= FD_SETSIZE) {
+        qWarning("QSocketNotifier: Internal error");
+        return;
+    }
+    Q_ASSERT(notifier->thread() == thread() && thread() == QThread::currentThread());
+#endif
+
+    Q_D(QEventDispatcherUNIX);
+    QSockNotType::List &list = d->sn_vec[type].list;
+    QSockNot *sn = 0;
+    int i;
+    for (i = 0; i < list.size(); ++i) {
+        sn = list.at(i);
+        if(sn->obj == notifier && sn->fd == sockfd)
+            break;
+    }
+    if (i == list.size()) // not found
+        return;
+
+    // We choose a random activation order to be more fair under high load.
+    // If a constant order is used and a peer early in the list can
+    // saturate the IO, it might grab our attention completely.
+    // Also, if we're using a straight list, the callback routines may
+    // delete other entries from the list before those other entries are
+    // processed.
+    if (! FD_ISSET(sn->fd, sn->queue)) {
+        if (d->sn_pending_list.isEmpty()) {
+            d->sn_pending_list.append(sn);
+        } else {
+            d->sn_pending_list.insert((qrand() & 0xff) %
+                                      (d->sn_pending_list.size()+1), sn);
+        }
+        FD_SET(sn->fd, sn->queue);
+    }
+}
+
+int QEventDispatcherUNIX::activateTimers()
+{
+    Q_ASSERT(thread() == QThread::currentThread());
+    Q_D(QEventDispatcherUNIX);
+    return d->timerList.activateTimers();
+}
+
+int QEventDispatcherUNIX::activateSocketNotifiers()
+{
+    Q_D(QEventDispatcherUNIX);
+    if (d->sn_pending_list.isEmpty())
+        return 0;
+
+    // activate entries
+    int n_act = 0;
+    QEvent event(QEvent::SockAct);
+    while (!d->sn_pending_list.isEmpty()) {
+        QSockNot *sn = d->sn_pending_list.takeFirst();
+        if (FD_ISSET(sn->fd, sn->queue)) {
+            FD_CLR(sn->fd, sn->queue);
+            QCoreApplication::sendEvent(sn->obj, &event);
+            ++n_act;
+        }
+    }
+    return n_act;
+}
+
+bool QEventDispatcherUNIX::processEvents(QEventLoop::ProcessEventsFlags flags)
+{
+    Q_D(QEventDispatcherUNIX);
+    d->interrupt = false;
+
+    // we are awake, broadcast it
+    emit awake();
+    QCoreApplicationPrivate::sendPostedEvents(0, 0, d->threadData);
+
+    int nevents = 0;
+    const bool canWait = (d->threadData->canWait
+                          && !d->interrupt
+                          && (flags & QEventLoop::WaitForMoreEvents));
+
+    if (canWait)
+        emit aboutToBlock();
+
+    if (!d->interrupt) {
+        // return the maximum time we can wait for an event.
+        timeval *tm = 0;
+        timeval wait_tm = { 0l, 0l };
+        if (!(flags & QEventLoop::X11ExcludeTimers)) {
+            if (d->timerList.timerWait(wait_tm))
+                tm = &wait_tm;
+        }
+
+        if (!canWait) {
+            if (!tm)
+                tm = &wait_tm;
+
+            // no time to wait
+            tm->tv_sec  = 0l;
+            tm->tv_usec = 0l;
+        }
+
+        nevents = d->doSelect(flags, tm);
+
+        // activate timers
+        if (! (flags & QEventLoop::X11ExcludeTimers)) {
+            nevents += activateTimers();
+        }
+    }
+    // return true if we handled events, false otherwise
+    return (nevents > 0);
+}
+
+bool QEventDispatcherUNIX::hasPendingEvents()
+{
+    extern uint qGlobalPostedEventsCount(); // from qapplication.cpp
+    return qGlobalPostedEventsCount();
+}
+
+void QEventDispatcherUNIX::wakeUp()
+{
+    Q_D(QEventDispatcherUNIX);
+    if (d->wakeUps.testAndSetAcquire(0, 1)) {
+        char c = 0;
+        ::write( d->thread_pipe[1], &c, 1 );
+    }
+}
+
+void QEventDispatcherUNIX::interrupt()
+{
+    Q_D(QEventDispatcherUNIX);
+    d->interrupt = true;
+    wakeUp();
+}
+
+void QEventDispatcherUNIX::flush()
+{ }
+
+
+
+
+void QCoreApplication::watchUnixSignal(int sig, bool watch)
+{
+    if (sig < NSIG) {
+        struct sigaction sa;
+        sigemptyset(&(sa.sa_mask));
+        sa.sa_flags = 0;
+        if (watch)
+            sa.sa_handler = signalHandler;
+        else
+            sa.sa_handler = SIG_DFL;
+        sigaction(sig, &sa, 0);
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qeventdispatcher_unix_p.h b/src/corelib/kernel/qeventdispatcher_unix_p.h
new file mode 100644
index 0000000000..41329cfac8
--- /dev/null
+++ b/src/corelib/kernel/qeventdispatcher_unix_p.h
@@ -0,0 +1,246 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QEVENTDISPATCHER_UNIX_P_H
+#define QEVENTDISPATCHER_UNIX_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qabstracteventdispatcher.h"
+#include "QtCore/qlist.h"
+#include "private/qabstracteventdispatcher_p.h"
+#include "private/qpodlist_p.h"
+
+#include <sys/types.h>
+#include <sys/time.h>
+#if !defined(Q_OS_HPUX) || defined(__ia64)
+#include <sys/select.h>
+#endif
+#include <unistd.h>
+
+QT_BEGIN_NAMESPACE
+#if !defined(_POSIX_MONOTONIC_CLOCK)
+#  define _POSIX_MONOTONIC_CLOCK -1
+#endif
+
+// Internal operator functions for timevals
+inline bool operator<(const timeval &t1, const timeval &t2)
+{ return t1.tv_sec < t2.tv_sec || (t1.tv_sec == t2.tv_sec && t1.tv_usec < t2.tv_usec); }
+inline bool operator==(const timeval &t1, const timeval &t2)
+{ return t1.tv_sec == t2.tv_sec && t1.tv_usec == t2.tv_usec; }
+inline timeval &operator+=(timeval &t1, const timeval &t2)
+{
+    t1.tv_sec += t2.tv_sec;
+    if ((t1.tv_usec += t2.tv_usec) >= 1000000l) {
+        ++t1.tv_sec;
+        t1.tv_usec -= 1000000l;
+    }
+    return t1;
+}
+inline timeval operator+(const timeval &t1, const timeval &t2)
+{
+    timeval tmp;
+    tmp.tv_sec = t1.tv_sec + t2.tv_sec;
+    if ((tmp.tv_usec = t1.tv_usec + t2.tv_usec) >= 1000000l) {
+        ++tmp.tv_sec;
+        tmp.tv_usec -= 1000000l;
+    }
+    return tmp;
+}
+inline timeval operator-(const timeval &t1, const timeval &t2)
+{
+    timeval tmp;
+    tmp.tv_sec = t1.tv_sec - t2.tv_sec;
+    if ((tmp.tv_usec = t1.tv_usec - t2.tv_usec) < 0l) {
+        --tmp.tv_sec;
+        tmp.tv_usec += 1000000l;
+    }
+    return tmp;
+}
+
+// internal timer info
+struct QTimerInfo {
+    int id;           // - timer identifier
+    timeval interval; // - timer interval
+    timeval timeout;  // - when to sent event
+    QObject *obj;     // - object to receive event
+    bool inTimerEvent;
+};
+
+class QTimerInfoList : public QList<QTimerInfo*>
+{
+#if (_POSIX_MONOTONIC_CLOCK-0 <= 0) || defined(QT_BOOTSTRAPPED)
+    bool useMonotonicTimers;
+
+    timeval previousTime;
+    clock_t previousTicks;
+    int ticksPerSecond;
+    int msPerTick;
+
+    bool timeChanged(timeval *delta);
+#endif
+
+    // state variables used by activateTimers()
+    QTimerInfo *firstTimerInfo, *currentTimerInfo;
+
+public:
+    QTimerInfoList();
+
+    void getTime(timeval &t);
+
+    timeval currentTime;
+    timeval updateCurrentTime();
+
+    // must call updateCurrentTime() first!
+    void repairTimersIfNeeded();
+
+    bool timerWait(timeval &);
+    void timerInsert(QTimerInfo *);
+    void timerRepair(const timeval &);
+
+    void registerTimer(int timerId, int interval, QObject *object);
+    bool unregisterTimer(int timerId);
+    bool unregisterTimers(QObject *object);
+    QList<QPair<int, int> > registeredTimers(QObject *object) const;
+
+    int activateTimers();
+};
+
+struct Q_CORE_EXPORT QSockNot
+{
+    QSocketNotifier *obj;
+    int fd;
+    fd_set *queue;
+};
+
+class Q_CORE_EXPORT QSockNotType
+{
+public:
+    QSockNotType();
+    ~QSockNotType();
+
+    typedef QPodList<QSockNot*, 32> List;
+
+    List list;
+    fd_set select_fds;
+    fd_set enabled_fds;
+    fd_set pending_fds;
+
+};
+
+class QEventDispatcherUNIXPrivate;
+
+class Q_CORE_EXPORT QEventDispatcherUNIX : public QAbstractEventDispatcher
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QEventDispatcherUNIX)
+
+public:
+    explicit QEventDispatcherUNIX(QObject *parent = 0);
+    ~QEventDispatcherUNIX();
+
+    bool processEvents(QEventLoop::ProcessEventsFlags flags);
+    bool hasPendingEvents();
+
+    void registerSocketNotifier(QSocketNotifier *notifier);
+    void unregisterSocketNotifier(QSocketNotifier *notifier);
+
+    void registerTimer(int timerId, int interval, QObject *object);
+    bool unregisterTimer(int timerId);
+    bool unregisterTimers(QObject *object);
+    QList<TimerInfo> registeredTimers(QObject *object) const;
+
+    void wakeUp();
+    void interrupt();
+    void flush();
+
+protected:
+    QEventDispatcherUNIX(QEventDispatcherUNIXPrivate &dd, QObject *parent = 0);
+
+    void setSocketNotifierPending(QSocketNotifier *notifier);
+
+    int activateTimers();
+    int activateSocketNotifiers();
+
+    virtual int select(int nfds,
+                       fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+                       timeval *timeout);
+};
+
+class Q_CORE_EXPORT QEventDispatcherUNIXPrivate : public QAbstractEventDispatcherPrivate
+{
+    Q_DECLARE_PUBLIC(QEventDispatcherUNIX)
+
+public:
+    QEventDispatcherUNIXPrivate();
+    ~QEventDispatcherUNIXPrivate();
+
+    int doSelect(QEventLoop::ProcessEventsFlags flags, timeval *timeout);
+
+    bool mainThread;
+    int thread_pipe[2];
+
+    // highest fd for all socket notifiers
+    int sn_highest;
+    // 3 socket notifier types - read, write and exception
+    QSockNotType sn_vec[3];
+
+    QTimerInfoList timerList;
+
+    // pending socket notifiers list
+    QSockNotType::List sn_pending_list;
+
+    QAtomicInt wakeUps;
+    bool interrupt;
+};
+
+QT_END_NAMESPACE
+
+#endif // QEVENTDISPATCHER_UNIX_P_H
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
new file mode 100644
index 0000000000..880e95ca7a
--- /dev/null
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -0,0 +1,1076 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeventdispatcher_win_p.h"
+
+#include "qcoreapplication.h"
+#include "qhash.h"
+#include "qlibrary.h"
+#include "qpair.h"
+#include "qset.h"
+#include "qsocketnotifier.h"
+#include "qvarlengtharray.h"
+#include "qwineventnotifier_p.h"
+
+#include "qabstracteventdispatcher_p.h"
+#include "qcoreapplication_p.h"
+#include <private/qthread_p.h>
+#include <private/qmutexpool_p.h>
+
+QT_BEGIN_NAMESPACE
+
+HINSTANCE qWinAppInst();
+extern uint qGlobalPostedEventsCount();
+
+#ifndef TIME_KILL_SYNCHRONOUS
+#  define TIME_KILL_SYNCHRONOUS 0x0100
+#endif
+
+#if defined(Q_OS_WINCE)
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <winsock.h>
+// Asynchronous Winsocks ------------------------------------------
+#ifndef QT_NO_THREAD
+#include <qthread.h>
+#include <qmap.h>
+#include <qmutex.h>
+QT_END_INCLUDE_NAMESPACE
+
+//#define QCE_ASYNC_DEBUG
+
+namespace {
+    class SocketAsyncHandler;
+
+    class SocketAsyncHandler : public QThread
+    {
+    public:
+        SocketAsyncHandler();
+        ~SocketAsyncHandler();
+        void run();
+        void select(SOCKET sock, HWND handle, unsigned int msg, long ev);
+        void removeSelect(SOCKET sock);
+        void safeRemove(SOCKET sock);
+    private:
+        struct SockInfo {
+            HWND handle;
+            unsigned int msg;
+            long ev;
+        };
+        QMap<SOCKET, SockInfo> sockets;
+        QMutex mutex;
+        QWaitCondition cond;
+        bool supposedToDie;
+    };
+
+    SocketAsyncHandler::SocketAsyncHandler()
+        : supposedToDie(false)
+    {
+    }
+
+    SocketAsyncHandler::~SocketAsyncHandler()
+    {
+        mutex.lock();
+        supposedToDie = true;
+        mutex.unlock();
+        cond.wakeOne();
+        wait();
+        while (sockets.size() > 0)
+            removeSelect(sockets.begin().key());
+    }
+
+    void SocketAsyncHandler::removeSelect(SOCKET sock)
+    {
+        if (!sockets.contains(sock))
+            return;
+        sockets.remove(sock);
+        return;
+    }
+
+    void SocketAsyncHandler::safeRemove(SOCKET sock)
+    {
+        QMutexLocker locker(&mutex);
+        removeSelect(sock);
+    }
+
+    void SocketAsyncHandler::select(SOCKET sock, HWND handle, unsigned int msg, long ev)
+    {
+        QMutexLocker locker(&mutex);
+
+        if (sockets.contains(sock))
+            sockets.remove(sock);
+
+        SockInfo info;
+        info.handle = handle;
+        info.msg = msg;
+        info.ev = ev;
+        sockets.insert(sock, info);
+        cond.wakeOne();
+    }
+
+    void SocketAsyncHandler::run()
+    {
+        do {
+            mutex.lock();
+
+            while (!supposedToDie && sockets.isEmpty()) {
+                cond.wait(&mutex);
+            }
+
+            if (supposedToDie) {
+                mutex.unlock();
+                break;
+            }
+
+            // Copy current items to reduce lock time
+            // and to be able to use SendMessage
+            QMap<SOCKET, SockInfo> currentSockets = sockets;
+            mutex.unlock();
+
+            fd_set readS, writeS, exS;
+            FD_ZERO(&readS);
+            FD_ZERO(&writeS);
+            FD_ZERO(&exS);
+
+            int maxFd = 0;
+
+            for (QMap<SOCKET, SockInfo>::iterator it = currentSockets.begin(); it != currentSockets.end(); ++it) {
+                const SockInfo &info = it.value();
+                int socket = it.key();
+                maxFd = qMax(maxFd, socket);
+
+                if ((info.ev & FD_READ) || (info.ev & FD_CLOSE) || (info.ev & FD_ACCEPT))
+                    FD_SET(socket, &readS);
+                if ((info.ev & FD_WRITE)|| (info.ev & FD_CONNECT))
+                    FD_SET(socket, &writeS);
+                if (info.ev & FD_OOB)
+                    FD_SET(socket, &exS);
+            }
+
+            timeval timeout;
+            timeout.tv_sec = 0;
+            timeout.tv_usec = 50000;
+            int result = ::select(maxFd + 1, &readS, &writeS, &exS, &timeout);
+            if (result > 0) {
+                HWND handle;
+                unsigned int tmpMsg;
+                SOCKET sock;
+                HRESULT ret;
+                for (QMap<SOCKET, SockInfo>::const_iterator it = currentSockets.constBegin();
+                    it != currentSockets.constEnd(); ++it) {
+                        handle = (*it).handle;
+                        tmpMsg = (*it).msg;
+                        sock = it.key();
+                        if (FD_ISSET(sock, &readS))
+                            ret = SendMessage(handle, tmpMsg, sock, FD_READ);
+
+                        if (FD_ISSET(sock, &writeS))
+                            ret = SendMessage(handle, tmpMsg, sock, FD_WRITE);
+
+                        if (FD_ISSET(sock, &exS))
+                            ret = SendMessage(handle, tmpMsg, sock, FD_OOB);
+                }
+            }
+
+#ifdef QCE_ASYNC_DEBUG
+            else if (result == 0) { //timeout
+                qDebug("    WSAAsync select timeout");
+            } else if (result < 0) { // SocketError
+                // This might happen because of two reasons
+                // 1. We already closed a socket in between the copy and the select
+                //    and thus select() returns an error
+                // 2. Something is really wrong, then
+                //    ### Loop on all descriptors, try to select and remove the
+                //    ### broken one.
+                qWarning("WSAAsync select error %d", WSAGetLastError());
+            }
+#endif
+        } while(true);
+    }
+} // namespace
+
+Q_GLOBAL_STATIC(SocketAsyncHandler, qt_async_handler)
+
+int WSAAsyncSelect(SOCKET sock, HWND handle, unsigned int msg, long ev)
+{
+    if (sock == 0 || handle == 0 || handle == INVALID_HANDLE_VALUE) {
+        WSASetLastError(WSAEINVAL);
+        return SOCKET_ERROR;
+    }
+
+    if (msg == 0 && ev == 0)
+        qt_async_handler()->safeRemove(sock);
+    else
+        qt_async_handler()->select(sock, handle, msg, ev);
+
+    qt_async_handler()->start(QThread::LowPriority);
+    WSASetLastError(0);
+    return 0;
+}
+#else // QT_NO_THREAD
+int WSAAsyncSelect(SOCKET, HWND, unsigned int, long)
+{
+    return SOCKET_ERROR;
+}
+#endif
+#endif // Q_OS_WINCE
+
+class QEventDispatcherWin32Private;
+
+struct QSockNot {
+    QSocketNotifier *obj;
+    int fd;
+};
+typedef QHash<int, QSockNot *> QSNDict;
+
+struct WinTimerInfo {                           // internal timer info
+    QObject *dispatcher;
+    int timerId;
+    int interval;
+    QObject *obj;                               // - object to receive events
+    bool inTimerEvent;
+    int fastTimerId;
+};
+
+class QZeroTimerEvent : public QTimerEvent
+{
+public:
+    inline QZeroTimerEvent(int timerId)
+        : QTimerEvent(timerId)
+    { t = QEvent::ZeroTimerEvent; }
+};
+
+typedef QList<WinTimerInfo*>  WinTimerVec;      // vector of TimerInfo structs
+typedef QHash<int, WinTimerInfo*> WinTimerDict; // fast dict of timers
+
+#if !defined(DWORD_PTR) && !defined(Q_WS_WIN64)
+#define DWORD_PTR DWORD
+#endif
+
+typedef MMRESULT(WINAPI *ptimeSetEvent)(UINT, UINT, LPTIMECALLBACK, DWORD_PTR, UINT);
+typedef MMRESULT(WINAPI *ptimeKillEvent)(UINT);
+
+static ptimeSetEvent qtimeSetEvent = 0;
+static ptimeKillEvent qtimeKillEvent = 0;
+
+LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp);
+
+static void resolveTimerAPI()
+{
+    static bool triedResolve = false;
+    if (!triedResolve) {
+#ifndef QT_NO_THREAD
+        QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve));
+        if (triedResolve)
+            return;
+#endif
+        triedResolve = true;
+#if !defined(Q_OS_WINCE)
+        qtimeSetEvent = (ptimeSetEvent)QLibrary::resolve(QLatin1String("winmm"), "timeSetEvent");
+        qtimeKillEvent = (ptimeKillEvent)QLibrary::resolve(QLatin1String("winmm"), "timeKillEvent");
+#else
+        qtimeSetEvent = (ptimeSetEvent)QLibrary::resolve(QLatin1String("Mmtimer"), "timeSetEvent");
+        qtimeKillEvent = (ptimeKillEvent)QLibrary::resolve(QLatin1String("Mmtimer"), "timeKillEvent");
+#endif
+    }
+}
+
+
+class QEventDispatcherWin32Private : public QAbstractEventDispatcherPrivate
+{
+    Q_DECLARE_PUBLIC(QEventDispatcherWin32)
+public:
+    QEventDispatcherWin32Private();
+    ~QEventDispatcherWin32Private();
+
+    DWORD threadId;
+
+    bool interrupt;
+
+    // internal window handle used for socketnotifiers/timers/etc
+    HWND internalHwnd;
+
+    // timers
+    WinTimerVec timerVec;
+    WinTimerDict timerDict;
+    void registerTimer(WinTimerInfo *t);
+    void unregisterTimer(WinTimerInfo *t);
+    void sendTimerEvent(int timerId);
+
+    // socket notifiers
+    QSNDict sn_read;
+    QSNDict sn_write;
+    QSNDict sn_except;
+    void doWsaAsyncSelect(int socket);
+
+    // event notifier
+    QWinEventNotifier wakeUpNotifier;
+
+    QList<QWinEventNotifier *> winEventNotifierList;
+    void activateEventNotifier(QWinEventNotifier * wen);
+
+    QList<MSG> queuedUserInputEvents;
+    QList<MSG> queuedSocketEvents;
+};
+
+QEventDispatcherWin32Private::QEventDispatcherWin32Private()
+    : threadId(GetCurrentThreadId()), interrupt(false), internalHwnd(0)
+{
+    resolveTimerAPI();
+
+    wakeUpNotifier.setHandle(QT_WA_INLINE(CreateEventW(0, FALSE, FALSE, 0),
+                                          CreateEventA(0, FALSE, FALSE, 0)));
+    if (!wakeUpNotifier.handle())
+        qWarning("QEventDispatcher: Creating QEventDispatcherWin32Private wakeup event failed");
+}
+
+QEventDispatcherWin32Private::~QEventDispatcherWin32Private()
+{
+    wakeUpNotifier.setEnabled(false);
+    CloseHandle(wakeUpNotifier.handle());
+    if (internalHwnd)
+        DestroyWindow(internalHwnd);
+    QByteArray className = "QEventDispatcherWin32_Internal_Widget" + QByteArray::number(quintptr(qt_internal_proc));
+#if !defined(Q_OS_WINCE)
+    UnregisterClassA(className.constData(), qWinAppInst());
+#else
+    UnregisterClassW(reinterpret_cast<const wchar_t *> (QString::fromLatin1(className.constData()).utf16())
+                     , qWinAppInst());
+#endif
+}
+
+void QEventDispatcherWin32Private::activateEventNotifier(QWinEventNotifier * wen)
+{
+    QEvent event(QEvent::WinEventAct);
+    QCoreApplication::sendEvent(wen, &event);
+}
+
+
+Q_CORE_EXPORT bool winPeekMessage(MSG* msg, HWND hWnd, UINT wMsgFilterMin,
+                     UINT wMsgFilterMax, UINT wRemoveMsg)
+{
+    QT_WA({ return PeekMessage(msg, hWnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg); } ,
+          { return PeekMessageA(msg, hWnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg); });
+}
+
+Q_CORE_EXPORT bool winPostMessage(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+    QT_WA({ return PostMessage(hWnd, msg, wParam, lParam); } ,
+          { return PostMessageA(hWnd, msg, wParam, lParam); });
+}
+
+Q_CORE_EXPORT bool winGetMessage(MSG* msg, HWND hWnd, UINT wMsgFilterMin,
+                     UINT wMsgFilterMax)
+{
+    QT_WA({ return GetMessage(msg, hWnd, wMsgFilterMin, wMsgFilterMax); } ,
+          { return GetMessageA(msg, hWnd, wMsgFilterMin, wMsgFilterMax); });
+}
+
+// This function is called by a workerthread
+void WINAPI CALLBACK qt_fast_timer_proc(uint timerId, uint /*reserved*/, DWORD_PTR user, DWORD_PTR /*reserved*/, DWORD_PTR /*reserved*/)
+{
+    if (!timerId) // sanity check
+        return;
+    WinTimerInfo *t = (WinTimerInfo*)user;
+    Q_ASSERT(t);
+    QCoreApplication::postEvent(t->dispatcher, new QTimerEvent(t->timerId));
+}
+
+LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
+{
+    if (message == WM_NCCREATE) {
+            return true;
+    } else if (message == WM_USER) {
+
+        // socket notifier message
+        MSG msg;
+        msg.hwnd = hwnd;
+        msg.message = message;
+        msg.wParam = wp;
+        msg.lParam = lp;
+
+        QCoreApplication *app = QCoreApplication::instance();
+        long result;
+        if (app && app->filterEvent(&msg, &result))
+            return result;
+
+        int type = -1;
+        switch (WSAGETSELECTEVENT(lp)) {
+        case FD_READ:
+        case FD_CLOSE:
+        case FD_ACCEPT:
+            type = 0;
+            break;
+        case FD_WRITE:
+        case FD_CONNECT:
+            type = 1;
+            break;
+        case FD_OOB:
+            type = 2;
+            break;
+        }
+        if (type >= 0) {
+
+    #ifdef GWLP_USERDATA
+            QEventDispatcherWin32 *eventDispatcher =
+                (QEventDispatcherWin32 *) GetWindowLongPtrA(hwnd, GWLP_USERDATA);
+    #else
+            QEventDispatcherWin32 *eventDispatcher =
+                (QEventDispatcherWin32 *) GetWindowLongA(hwnd, GWL_USERDATA);
+    #endif
+            if (eventDispatcher) {
+                QEventDispatcherWin32Private *d = eventDispatcher->d_func();
+                QSNDict *sn_vec[3] = { &d->sn_read, &d->sn_write, &d->sn_except };
+                QSNDict *dict = sn_vec[type];
+
+                QSockNot *sn = dict ? dict->value(wp) : 0;
+                if (sn) {
+                    QEvent event(QEvent::SockAct);
+                    QCoreApplication::sendEvent(sn->obj, &event);
+                }
+            }
+        }
+        return 0;
+
+    } else if (message == WM_TIMER) {
+
+        MSG msg;
+        msg.hwnd = hwnd;
+        msg.message = message;
+        msg.wParam = wp;
+        msg.lParam = lp;
+
+        QCoreApplication *app = QCoreApplication::instance();
+        Q_ASSERT_X(app, "qt_interal_proc", "Timer fired, but no QCoreApplication");
+        if (!app) {
+            KillTimer(hwnd, wp);
+            return 0;
+        }
+
+        long result;
+        if (app->filterEvent(&msg, &result))
+            return result;
+
+        QEventDispatcherWin32 *eventDispatcher =
+            qobject_cast<QEventDispatcherWin32 *>(QAbstractEventDispatcher::instance());
+        Q_ASSERT(eventDispatcher != 0);
+        QEventDispatcherWin32Private *d = eventDispatcher->d_func();
+        d->sendTimerEvent(wp);
+        return 0;
+    }
+
+    return  DefWindowProc(hwnd, message, wp, lp);
+}
+
+static HWND qt_create_internal_window(const QEventDispatcherWin32 *eventDispatcher)
+{
+    HINSTANCE hi = qWinAppInst();
+#if defined(Q_OS_WINCE)
+    WNDCLASS wc;
+#else
+    WNDCLASSA wc;
+#endif
+    wc.style = 0;
+    wc.lpfnWndProc = qt_internal_proc;
+    wc.cbClsExtra = 0;
+    wc.cbWndExtra = 0;
+    wc.hInstance = hi;
+    wc.hIcon = 0;
+    wc.hCursor = 0;
+    wc.hbrBackground = 0;
+    wc.lpszMenuName = NULL;
+
+    // make sure that multiple Qt's can coexist in the same process
+    QByteArray className = "QEventDispatcherWin32_Internal_Widget" + QByteArray::number(quintptr(qt_internal_proc));
+#if defined(Q_OS_WINCE)
+    QString tmp = QString::fromLatin1(className.data());
+    wc.lpszClassName = reinterpret_cast<const wchar_t *> (tmp.utf16());
+    RegisterClass(&wc);
+    HWND wnd = CreateWindow(wc.lpszClassName,  // classname
+                             wc.lpszClassName,  // window name
+                             0,                 // style
+                             0, 0, 0, 0,        // geometry
+                             0,                 // parent
+                             0,                 // menu handle
+                             hi,                // application
+                             0);                // windows creation data.
+#else
+    wc.lpszClassName = className.constData();
+    RegisterClassA(&wc);
+    HWND wnd = CreateWindowA(wc.lpszClassName,  // classname
+                             wc.lpszClassName,  // window name
+                             0,                 // style
+                             0, 0, 0, 0,        // geometry
+                             0,                 // parent
+                             0,                 // menu handle
+                             hi,                // application
+                             0);                // windows creation data.
+#endif
+
+
+#ifdef GWLP_USERDATA
+    SetWindowLongPtrA(wnd, GWLP_USERDATA, (LONG_PTR)eventDispatcher);
+#else
+    SetWindowLongA(wnd, GWL_USERDATA, (LONG)eventDispatcher);
+#endif
+
+    if (!wnd) {
+        qWarning("QEventDispatcher: Failed to create QEventDispatcherWin32 internal window: %d\n", (int)GetLastError());
+    }
+    return wnd;
+}
+
+void QEventDispatcherWin32Private::registerTimer(WinTimerInfo *t)
+{
+    Q_ASSERT(internalHwnd);
+
+    Q_Q(QEventDispatcherWin32);
+
+    int ok = 0;
+
+    if (t->interval > 10 || !t->interval || !qtimeSetEvent) {
+        ok = 1;
+        if (!t->interval)  // optimization for single-shot-zero-timer
+            QCoreApplication::postEvent(q, new QZeroTimerEvent(t->timerId));
+        else
+            ok = SetTimer(internalHwnd, t->timerId, (uint) t->interval, 0);
+    } else {
+        ok = t->fastTimerId = qtimeSetEvent(t->interval, 1, qt_fast_timer_proc, (DWORD_PTR)t,
+                                            TIME_CALLBACK_FUNCTION | TIME_PERIODIC | TIME_KILL_SYNCHRONOUS);
+        if (ok == 0) { // fall back to normal timer if no more multimedia timers avaiable
+            ok = SetTimer(internalHwnd, t->timerId, (uint) t->interval, 0);
+        }
+    }
+
+    if (ok == 0)
+        qErrnoWarning("QEventDispatcherWin32::registerTimer: Failed to create a timer");
+}
+
+void QEventDispatcherWin32Private::unregisterTimer(WinTimerInfo *t)
+{
+    // mark timer as unused
+    if (!QObjectPrivate::get(t->obj)->inThreadChangeEvent)
+        QAbstractEventDispatcherPrivate::releaseTimerId(t->timerId);
+
+    if (t->interval == 0) {
+        QCoreApplicationPrivate::removePostedTimerEvent(t->dispatcher, t->timerId);
+    } else if (t->fastTimerId != 0) {
+        qtimeKillEvent(t->fastTimerId);
+        QCoreApplicationPrivate::removePostedTimerEvent(t->dispatcher, t->timerId);
+    } else if (internalHwnd) {
+        KillTimer(internalHwnd, t->timerId);
+    }
+    delete t;
+}
+
+void QEventDispatcherWin32Private::sendTimerEvent(int timerId)
+{
+    WinTimerInfo *t = timerDict.value(timerId);
+    if (t && !t->inTimerEvent) {
+        // send event, but don't allow it to recurse
+        t->inTimerEvent = true;
+
+        QTimerEvent e(t->timerId);
+        QCoreApplication::sendEvent(t->obj, &e);
+
+        // timer could have been removed
+        t = timerDict.value(timerId);
+        if (t) {
+            t->inTimerEvent = false;
+        }
+    }
+}
+
+void QEventDispatcherWin32Private::doWsaAsyncSelect(int socket)
+{
+    Q_ASSERT(internalHwnd);
+    int sn_event = 0;
+    if (sn_read.contains(socket))
+        sn_event |= FD_READ | FD_CLOSE | FD_ACCEPT;
+    if (sn_write.contains(socket))
+        sn_event |= FD_WRITE | FD_CONNECT;
+    if (sn_except.contains(socket))
+        sn_event |= FD_OOB;
+    // BoundsChecker may emit a warning for WSAAsyncSelect when sn_event == 0
+    // This is a BoundsChecker bug and not a Qt bug
+    WSAAsyncSelect(socket, internalHwnd, sn_event ? WM_USER : 0, sn_event);
+}
+
+void QEventDispatcherWin32::createInternalHwnd()
+{
+    Q_D(QEventDispatcherWin32);
+
+    Q_ASSERT(!d->internalHwnd);
+    if (d->internalHwnd)
+        return;
+    d->internalHwnd = qt_create_internal_window(this);
+
+    // register all socket notifiers
+    QList<int> sockets = (d->sn_read.keys().toSet()
+                          + d->sn_write.keys().toSet()
+                          + d->sn_except.keys().toSet()).toList();
+    for (int i = 0; i < sockets.count(); ++i)
+        d->doWsaAsyncSelect(sockets.at(i));
+
+    // start all normal timers
+    for (int i = 0; i < d->timerVec.count(); ++i)
+        d->registerTimer(d->timerVec.at(i));
+}
+
+QEventDispatcherWin32::QEventDispatcherWin32(QObject *parent)
+    : QAbstractEventDispatcher(*new QEventDispatcherWin32Private, parent)
+{
+}
+
+QEventDispatcherWin32::~QEventDispatcherWin32()
+{
+}
+
+bool QEventDispatcherWin32::processEvents(QEventLoop::ProcessEventsFlags flags)
+{
+    Q_D(QEventDispatcherWin32);
+
+    if (!d->internalHwnd)
+        createInternalHwnd();
+
+    d->interrupt = false;
+    emit awake();
+
+    bool canWait;
+    bool retVal = false;
+    do {
+        QCoreApplicationPrivate::sendPostedEvents(0, 0, d->threadData);
+
+        DWORD waitRet = 0;
+        HANDLE pHandles[MAXIMUM_WAIT_OBJECTS - 1];
+        QVarLengthArray<MSG> processedTimers;
+        while (!d->interrupt) {
+            DWORD nCount = d->winEventNotifierList.count();
+            Q_ASSERT(nCount < MAXIMUM_WAIT_OBJECTS - 1);
+
+            MSG msg;
+            bool haveMessage;
+
+            if (!(flags & QEventLoop::ExcludeUserInputEvents) && !d->queuedUserInputEvents.isEmpty()) {
+                // process queued user input events
+                haveMessage = true;
+                msg = d->queuedUserInputEvents.takeFirst();
+            } else if(!(flags & QEventLoop::ExcludeSocketNotifiers) && !d->queuedSocketEvents.isEmpty()) {
+                // process queued socket events
+                haveMessage = true;
+                msg = d->queuedSocketEvents.takeFirst();
+            } else {
+                haveMessage = winPeekMessage(&msg, 0, 0, 0, PM_REMOVE);
+                if (haveMessage && (flags & QEventLoop::ExcludeUserInputEvents)
+                    && ((msg.message >= WM_KEYFIRST
+                         && msg.message <= WM_KEYLAST)
+                        || (msg.message >= WM_MOUSEFIRST
+                            && msg.message <= WM_MOUSELAST)
+                        || msg.message == WM_MOUSEWHEEL)) {
+                    // queue user input events for later processing
+                    haveMessage = false;
+                    d->queuedUserInputEvents.append(msg);
+                }
+                if (haveMessage && (flags & QEventLoop::ExcludeSocketNotifiers)
+                    && (msg.message == WM_USER && msg.hwnd == d->internalHwnd)) {
+                    // queue socket events for later processing
+                    haveMessage = false;
+                    d->queuedSocketEvents.append(msg);
+                }
+            }
+            if (!haveMessage) {
+                // no message - check for signalled objects
+                for (int i=0; i<(int)nCount; i++)
+                    pHandles[i] = d->winEventNotifierList.at(i)->handle();
+                waitRet = MsgWaitForMultipleObjectsEx(nCount, pHandles, 0, QS_ALLINPUT, MWMO_ALERTABLE);
+                if ((haveMessage = (waitRet == WAIT_OBJECT_0 + nCount))) {
+                    // a new message has arrived, process it
+                    continue;
+                }
+            }
+            if (haveMessage) {
+                if (msg.message == WM_TIMER) {
+                    // avoid live-lock by keeping track of the timers we've already sent
+                    bool found = false;
+                    for (int i = 0; !found && i < processedTimers.count(); ++i) {
+                        const MSG processed = processedTimers.constData()[i];
+                        found = (processed.wParam == msg.wParam && processed.hwnd == msg.hwnd && processed.lParam == msg.lParam);
+                    }
+                    if (found)
+                        continue;
+                    processedTimers.append(msg);
+                } else if (msg.message == WM_QUIT) {
+                    if (QCoreApplication::instance())
+                        QCoreApplication::instance()->quit();
+                    return false;
+                }
+
+                if (!filterEvent(&msg)) {
+                    TranslateMessage(&msg);
+                    QT_WA({
+                        DispatchMessage(&msg);
+                    } , {
+                        DispatchMessageA(&msg);
+                    });
+                }
+            } else if (waitRet >= WAIT_OBJECT_0 && waitRet < WAIT_OBJECT_0 + nCount) {
+                d->activateEventNotifier(d->winEventNotifierList.at(waitRet - WAIT_OBJECT_0));
+            } else {
+                // nothing todo so break
+                break;
+            }
+            retVal = true;
+        }
+
+        // still nothing - wait for message or signalled objects
+        QThreadData *data = d->threadData;
+        canWait = (!retVal
+                   && data->canWait
+                   && !d->interrupt
+                   && (flags & QEventLoop::WaitForMoreEvents));
+        if (canWait) {
+            DWORD nCount = d->winEventNotifierList.count();
+            Q_ASSERT(nCount < MAXIMUM_WAIT_OBJECTS - 1);
+            for (int i=0; i<(int)nCount; i++)
+                pHandles[i] = d->winEventNotifierList.at(i)->handle();
+
+            emit aboutToBlock();
+            waitRet = MsgWaitForMultipleObjectsEx(nCount, pHandles, INFINITE, QS_ALLINPUT, MWMO_ALERTABLE);
+            emit awake();
+            if (waitRet >= WAIT_OBJECT_0 && waitRet < WAIT_OBJECT_0 + nCount) {
+                d->activateEventNotifier(d->winEventNotifierList.at(waitRet - WAIT_OBJECT_0));
+                retVal = true;
+            }
+        }
+    } while (canWait);
+
+    return retVal;
+}
+
+bool QEventDispatcherWin32::hasPendingEvents()
+{
+    MSG msg;
+    return qGlobalPostedEventsCount() || winPeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE);
+}
+
+void QEventDispatcherWin32::registerSocketNotifier(QSocketNotifier *notifier)
+{
+    Q_ASSERT(notifier);
+    int sockfd = notifier->socket();
+    int type = notifier->type();
+#ifndef QT_NO_DEBUG
+    if (sockfd < 0) {
+        qWarning("QSocketNotifier: Internal error");
+        return;
+    } else if (notifier->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QSocketNotifier: socket notifiers cannot be enabled from another thread");
+        return;
+    }
+#endif
+
+    Q_D(QEventDispatcherWin32);
+    QSNDict *sn_vec[3] = { &d->sn_read, &d->sn_write, &d->sn_except };
+    QSNDict *dict = sn_vec[type];
+
+    if (QCoreApplication::closingDown()) // ### d->exitloop?
+        return; // after sn_cleanup, don't reinitialize.
+
+    if (dict->contains(sockfd)) {
+        const char *t[] = { "Read", "Write", "Exception" };
+    /* Variable "socket" below is a function pointer. */
+        qWarning("QSocketNotifier: Multiple socket notifiers for "
+                 "same socket %d and type %s", sockfd, t[type]);
+    }
+
+    QSockNot *sn = new QSockNot;
+    sn->obj = notifier;
+    sn->fd  = sockfd;
+    dict->insert(sn->fd, sn);
+
+    if (d->internalHwnd)
+        d->doWsaAsyncSelect(sockfd);
+}
+
+void QEventDispatcherWin32::unregisterSocketNotifier(QSocketNotifier *notifier)
+{
+    Q_ASSERT(notifier);
+    int sockfd = notifier->socket();
+    int type = notifier->type();
+#ifndef QT_NO_DEBUG
+    if (sockfd < 0) {
+        qWarning("QSocketNotifier: Internal error");
+        return;
+    } else if (notifier->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QSocketNotifier: socket notifiers cannot be disabled from another thread");
+        return;
+    }
+#endif
+
+    Q_D(QEventDispatcherWin32);
+    QSNDict *sn_vec[3] = { &d->sn_read, &d->sn_write, &d->sn_except };
+    QSNDict *dict = sn_vec[type];
+    QSockNot *sn = dict->value(sockfd);
+    if (!sn)
+        return;
+
+    dict->remove(sockfd);
+    delete sn;
+
+    if (d->internalHwnd)
+        d->doWsaAsyncSelect(sockfd);
+}
+
+void QEventDispatcherWin32::registerTimer(int timerId, int interval, QObject *object)
+{
+    if (timerId < 1 || interval < 0 || !object) {
+        qWarning("QEventDispatcherWin32::registerTimer: invalid arguments");
+        return;
+    } else if (object->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QObject::startTimer: timers cannot be started from another thread");
+        return;
+    }
+
+    Q_D(QEventDispatcherWin32);
+
+    register WinTimerInfo *t = new WinTimerInfo;
+    t->dispatcher = this;
+    t->timerId  = timerId;
+    t->interval = interval;
+    t->obj  = object;
+    t->inTimerEvent = false;
+    t->fastTimerId = 0;
+
+    if (d->internalHwnd)
+        d->registerTimer(t);
+
+    d->timerVec.append(t);                      // store in timer vector
+    d->timerDict.insert(t->timerId, t);          // store timers in dict
+}
+
+bool QEventDispatcherWin32::unregisterTimer(int timerId)
+{
+    if (timerId < 1) {
+        qWarning("QEventDispatcherWin32::unregisterTimer: invalid argument");
+        return false;
+    }
+    QThread *currentThread = QThread::currentThread();
+    if (thread() != currentThread) {
+        qWarning("QObject::killTimer: timers cannot be stopped from another thread");
+        return false;
+    }
+
+    Q_D(QEventDispatcherWin32);
+    if (d->timerVec.isEmpty() || timerId <= 0)
+        return false;
+
+    WinTimerInfo *t = d->timerDict.value(timerId);
+    if (!t)
+        return false;
+
+    d->timerDict.remove(t->timerId);
+    d->timerVec.removeAll(t);
+    d->unregisterTimer(t);
+    return true;
+}
+
+bool QEventDispatcherWin32::unregisterTimers(QObject *object)
+{
+    if (!object) {
+        qWarning("QEventDispatcherWin32::unregisterTimers: invalid argument");
+        return false;
+    }
+    QThread *currentThread = QThread::currentThread();
+    if (object->thread() != thread() || thread() != currentThread) {
+        qWarning("QObject::killTimers: timers cannot be stopped from another thread");
+        return false;
+    }
+
+    Q_D(QEventDispatcherWin32);
+    if (d->timerVec.isEmpty())
+        return false;
+    register WinTimerInfo *t;
+    for (int i=0; i<d->timerVec.size(); i++) {
+        t = d->timerVec.at(i);
+        if (t && t->obj == object) {                // object found
+            d->timerDict.remove(t->timerId);
+            d->timerVec.removeAt(i);
+            d->unregisterTimer(t);
+            --i;
+        }
+    }
+    return true;
+}
+
+QList<QEventDispatcherWin32::TimerInfo>
+QEventDispatcherWin32::registeredTimers(QObject *object) const
+{
+    if (!object) {
+        qWarning("QEventDispatcherWin32:registeredTimers: invalid argument");
+        return QList<TimerInfo>();
+    }
+
+    Q_D(const QEventDispatcherWin32);
+    QList<TimerInfo> list;
+    for (int i = 0; i < d->timerVec.size(); ++i) {
+        const WinTimerInfo *t = d->timerVec.at(i);
+        if (t && t->obj == object)
+            list << TimerInfo(t->timerId, t->interval);
+    }
+    return list;
+}
+
+bool QEventDispatcherWin32::registerEventNotifier(QWinEventNotifier *notifier)
+{
+    if (!notifier) {
+        qWarning("QWinEventNotifier: Internal error");
+        return false;
+    } else if (notifier->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QWinEventNotifier: event notifiers cannot be enabled from another thread");
+        return false;
+    }
+
+    Q_D(QEventDispatcherWin32);
+
+    if (d->winEventNotifierList.contains(notifier))
+        return true;
+
+    if (d->winEventNotifierList.count() >= MAXIMUM_WAIT_OBJECTS - 2) {
+        qWarning("QWinEventNotifier: Cannot have more than %d enabled at one time", MAXIMUM_WAIT_OBJECTS - 2);
+        return false;
+    }
+    d->winEventNotifierList.append(notifier);
+    return true;
+}
+
+void QEventDispatcherWin32::unregisterEventNotifier(QWinEventNotifier *notifier)
+{
+    if (!notifier) {
+        qWarning("QWinEventNotifier: Internal error");
+        return;
+    } else if (notifier->thread() != thread() || thread() != QThread::currentThread()) {
+        qWarning("QWinEventNotifier: event notifiers cannot be disabled from another thread");
+        return;
+    }
+
+    Q_D(QEventDispatcherWin32);
+
+    int i = d->winEventNotifierList.indexOf(notifier);
+    if (i != -1)
+        d->winEventNotifierList.takeAt(i);
+}
+
+void QEventDispatcherWin32::activateEventNotifiers()
+{
+    Q_D(QEventDispatcherWin32);
+    //### this could break if events are removed/added in the activation
+    for (int i=0; i<d->winEventNotifierList.count(); i++) {
+#if !defined(Q_OS_WINCE)
+        if (WaitForSingleObjectEx(d->winEventNotifierList.at(i)->handle(), 0, TRUE) == WAIT_OBJECT_0)
+            d->activateEventNotifier(d->winEventNotifierList.at(i));
+#else
+        if (WaitForSingleObject(d->winEventNotifierList.at(i)->handle(), 0) == WAIT_OBJECT_0)
+            d->activateEventNotifier(d->winEventNotifierList.at(i));
+#endif
+    }
+}
+
+void QEventDispatcherWin32::wakeUp()
+{
+    Q_D(QEventDispatcherWin32);
+    SetEvent(d->wakeUpNotifier.handle());
+}
+
+void QEventDispatcherWin32::interrupt()
+{
+    Q_D(QEventDispatcherWin32);
+    d->interrupt = true;
+    wakeUp();
+}
+
+void QEventDispatcherWin32::flush()
+{ }
+
+
+void QEventDispatcherWin32::startingUp()
+{
+    Q_D(QEventDispatcherWin32);
+
+    if (d->wakeUpNotifier.handle()) d->wakeUpNotifier.setEnabled(true);
+}
+
+void QEventDispatcherWin32::closingDown()
+{
+    Q_D(QEventDispatcherWin32);
+
+    // clean up any socketnotifiers
+    while (!d->sn_read.isEmpty())
+        unregisterSocketNotifier((*(d->sn_read.begin()))->obj);
+    while (!d->sn_write.isEmpty())
+        unregisterSocketNotifier((*(d->sn_write.begin()))->obj);
+    while (!d->sn_except.isEmpty())
+        unregisterSocketNotifier((*(d->sn_except.begin()))->obj);
+
+    // clean up any timers
+    while (!d->timerDict.isEmpty())
+        unregisterTimer((*(d->timerDict.begin()))->timerId);
+}
+
+bool QEventDispatcherWin32::event(QEvent *e)
+{
+    Q_D(QEventDispatcherWin32);
+    if (e->type() == QEvent::ZeroTimerEvent) {
+        QZeroTimerEvent *zte = static_cast<QZeroTimerEvent*>(e);
+        WinTimerInfo *t = d->timerDict.value(zte->timerId());
+        if (t) {
+            QTimerEvent te(zte->timerId());
+            QCoreApplication::sendEvent(t->obj, &te);
+            WinTimerInfo *tn = d->timerDict.value(zte->timerId());
+            if (tn && t == tn)
+                QCoreApplication::postEvent(this, new QZeroTimerEvent(zte->timerId()));
+        }
+        return true;
+    } else if (e->type() == QEvent::Timer) {
+        QTimerEvent *te = static_cast<QTimerEvent*>(e);
+        d->sendTimerEvent(te->timerId());
+    }
+    return QAbstractEventDispatcher::event(e);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qeventdispatcher_win_p.h b/src/corelib/kernel/qeventdispatcher_win_p.h
new file mode 100644
index 0000000000..aec0f7db3b
--- /dev/null
+++ b/src/corelib/kernel/qeventdispatcher_win_p.h
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QEVENTDISPATCHER_WIN_P_H
+#define QEVENTDISPATCHER_WIN_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qabstracteventdispatcher.h"
+#include "QtCore/qt_windows.h"
+
+QT_BEGIN_NAMESPACE
+
+class QWinEventNotifier;
+class QEventDispatcherWin32Private;
+
+// forward declaration
+LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp);
+
+class Q_CORE_EXPORT QEventDispatcherWin32 : public QAbstractEventDispatcher
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QEventDispatcherWin32)
+
+    void createInternalHwnd();
+    friend class QGuiEventDispatcherWin32;
+
+public:
+    explicit QEventDispatcherWin32(QObject *parent = 0);
+    ~QEventDispatcherWin32();
+
+    bool processEvents(QEventLoop::ProcessEventsFlags flags);
+    bool hasPendingEvents();
+
+    void registerSocketNotifier(QSocketNotifier *notifier);
+    void unregisterSocketNotifier(QSocketNotifier *notifier);
+
+    void registerTimer(int timerId, int interval, QObject *object);
+    bool unregisterTimer(int timerId);
+    bool unregisterTimers(QObject *object);
+    QList<TimerInfo> registeredTimers(QObject *object) const;
+
+    bool registerEventNotifier(QWinEventNotifier *notifier);
+    void unregisterEventNotifier(QWinEventNotifier *notifier);
+    void activateEventNotifiers();
+
+    void wakeUp();
+    void interrupt();
+    void flush();
+
+    void startingUp();
+    void closingDown();
+
+    bool event(QEvent *e);
+
+private:
+    friend LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp);
+};
+
+QT_END_NAMESPACE
+
+#endif // QEVENTDISPATCHER_WIN_P_H
diff --git a/src/corelib/kernel/qeventloop.cpp b/src/corelib/kernel/qeventloop.cpp
new file mode 100644
index 0000000000..92bdf733e7
--- /dev/null
+++ b/src/corelib/kernel/qeventloop.cpp
@@ -0,0 +1,323 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeventloop.h"
+
+#include "qabstracteventdispatcher.h"
+#include "qcoreapplication.h"
+#include "qdatetime.h"
+
+#include "qobject_p.h"
+#include <private/qthread_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QEventLoopPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QEventLoop)
+public:
+    inline QEventLoopPrivate()
+        : exit(true), inExec(false), returnCode(-1)
+    { }
+    bool exit, inExec;
+    int returnCode;
+};
+
+/*!
+    \class QEventLoop
+    \brief The QEventLoop class provides a means of entering and leaving an event loop.
+
+    At any time, you can create a QEventLoop object and call exec()
+    on it to start a local event loop. From within the event loop,
+    calling exit() will force exec() to return.
+
+    \sa QAbstractEventDispatcher
+*/
+
+/*!
+    \enum QEventLoop::ProcessEventsFlag
+
+    This enum controls the types of events processed by the
+    processEvents() functions.
+
+    \value AllEvents All events. Note that
+    \l{QEvent::DeferredDelete}{DeferredDelete} events are processed
+    specially. See QObject::deleteLater() for more details.
+
+    \value ExcludeUserInputEvents Do not process user input events,
+    such as ButtonPress and KeyPress. Note that the events are not
+    discarded; they will be delivered the next time processEvents() is
+    called without the ExcludeUserInputEvents flag.
+
+    \value ExcludeSocketNotifiers Do not process socket notifier
+    events. Note that the events are not discarded; they will be
+    delivered the next time processEvents() is called without the
+    ExcludeSocketNotifiers flag.
+
+    \value WaitForMoreEvents Wait for events if no pending events are
+    available.
+
+    \omitvalue X11ExcludeTimers
+    \omitvalue ExcludeUserInput
+    \omitvalue WaitForMore
+    \omitvalue EventLoopExec
+    \omitvalue DialogExec
+    \value DeferredDeletion deprecated - do not use.
+
+    \sa processEvents()
+*/
+
+/*!
+    Constructs an event loop object with the given \a parent.
+*/
+QEventLoop::QEventLoop(QObject *parent)
+    : QObject(*new QEventLoopPrivate, parent)
+{
+    Q_D(QEventLoop);
+    if (!QCoreApplication::instance()) {
+        qWarning("QEventLoop: Cannot be used without QApplication");
+    } else if (!d->threadData->eventDispatcher) {
+        QThreadPrivate::createEventDispatcher(d->threadData);
+    }
+}
+
+/*!
+    Destroys the event loop object.
+*/
+QEventLoop::~QEventLoop()
+{ }
+
+
+/*!
+    Processes pending events that match \a flags until there are no
+    more events to process. Returns true if pending events were handled;
+    otherwise returns false.
+
+    This function is especially useful if you have a long running
+    operation and want to show its progress without allowing user
+    input; i.e. by using the \l ExcludeUserInputEvents flag.
+
+    This function is simply a wrapper for
+    QAbstractEventDispatcher::processEvents(). See the documentation
+    for that function for details.
+*/
+bool QEventLoop::processEvents(ProcessEventsFlags flags)
+{
+    Q_D(QEventLoop);
+    if (!d->threadData->eventDispatcher)
+        return false;
+    if (flags & DeferredDeletion)
+        QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
+    return d->threadData->eventDispatcher->processEvents(flags);
+}
+
+/*!
+    Enters the main event loop and waits until exit() is called.
+    Returns the value that was passed to exit().
+
+    If \a flags are specified, only events of the types allowed by
+    the \a flags will be processed.
+
+    It is necessary to call this function to start event handling. The
+    main event loop receives events from the window system and
+    dispatches these to the application widgets.
+
+    Generally speaking, no user interaction can take place before
+    calling exec(). As a special case, modal widgets like QMessageBox
+    can be used before calling exec(), because modal widgets
+    use their own local event loop.
+
+    To make your application perform idle processing (i.e. executing a
+    special function whenever there are no pending events), use a
+    QTimer with 0 timeout. More sophisticated idle processing schemes
+    can be achieved using processEvents().
+
+    \sa QApplication::quit(), exit(), processEvents()
+*/
+int QEventLoop::exec(ProcessEventsFlags flags)
+{
+    Q_D(QEventLoop);
+    if (d->threadData->quitNow)
+        return -1;
+
+    if (d->inExec) {
+        qWarning("QEventLoop::exec: instance %p has already called exec()", this);
+        return -1;
+    }
+    d->inExec = true;
+    d->exit = false;
+    ++d->threadData->loopLevel;
+    d->threadData->eventLoops.push(this);
+
+    // remove posted quit events when entering a new event loop
+    if (qApp->thread() == thread())
+        QCoreApplication::removePostedEvents(qApp, QEvent::Quit);
+
+#if defined(QT_NO_EXCEPTIONS)
+    while (!d->exit)
+        processEvents(flags | WaitForMoreEvents | EventLoopExec);
+#else
+    try {
+        while (!d->exit)
+            processEvents(flags | WaitForMoreEvents | EventLoopExec);
+    } catch (...) {
+        qWarning("Qt has caught an exception thrown from an event handler. Throwing\n"
+                 "exceptions from an event handler is not supported in Qt. You must\n"
+                 "reimplement QApplication::notify() and catch all exceptions there.\n");
+
+        // copied from below
+        QEventLoop *eventLoop = d->threadData->eventLoops.pop();
+        Q_ASSERT_X(eventLoop == this, "QEventLoop::exec()", "internal error");
+        Q_UNUSED(eventLoop); // --release warning
+        d->inExec = false;
+        --d->threadData->loopLevel;
+
+        throw;
+    }
+#endif
+
+    // copied above
+    QEventLoop *eventLoop = d->threadData->eventLoops.pop();
+    Q_ASSERT_X(eventLoop == this, "QEventLoop::exec()", "internal error");
+    Q_UNUSED(eventLoop); // --release warning
+    d->inExec = false;
+    --d->threadData->loopLevel;
+
+    return d->returnCode;
+}
+
+/*!
+    Process pending events that match \a flags for a maximum of \a
+    maxTime milliseconds, or until there are no more events to
+    process, whichever is shorter.
+    This function is especially useful if you have a long running
+    operation and want to show its progress without allowing user
+    input, i.e. by using the \l ExcludeUserInputEvents flag.
+
+    \bold{Notes:}
+    \list
+    \o This function does not process events continuously; it
+       returns after all available events are processed.
+    \o Specifying the \l WaitForMoreEvents flag makes no sense
+       and will be ignored.
+    \endlist
+*/
+void QEventLoop::processEvents(ProcessEventsFlags flags, int maxTime)
+{
+    Q_D(QEventLoop);
+    if (!d->threadData->eventDispatcher)
+        return;
+
+    QTime start;
+    start.start();
+    if (flags & DeferredDeletion)
+        QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
+    while (processEvents(flags & ~WaitForMoreEvents)) {
+        if (start.elapsed() > maxTime)
+            break;
+        if (flags & DeferredDeletion)
+            QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
+    }
+}
+
+/*!
+    Tells the event loop to exit with a return code.
+
+    After this function has been called, the event loop returns from
+    the call to exec(). The exec() function returns \a returnCode.
+
+    By convention, a \a returnCode of 0 means success, and any non-zero
+    value indicates an error.
+
+    Note that unlike the C library function of the same name, this
+    function \e does return to the caller -- it is event processing that
+    stops.
+
+    \sa QCoreApplication::quit(), quit(), exec()
+*/
+void QEventLoop::exit(int returnCode)
+{
+    Q_D(QEventLoop);
+    if (!d->threadData->eventDispatcher)
+        return;
+
+    d->returnCode = returnCode;
+    d->exit = true;
+    d->threadData->eventDispatcher->interrupt();
+}
+
+/*!
+    Returns true if the event loop is running; otherwise returns
+    false. The event loop is considered running from the time when
+    exec() is called until exit() is called.
+
+    \sa exec() exit()
+ */
+bool QEventLoop::isRunning() const
+{
+    Q_D(const QEventLoop);
+    return !d->exit;
+}
+
+/*!
+    Wakes up the event loop.
+
+    \sa QAbstractEventDispatcher::wakeUp()
+*/
+void QEventLoop::wakeUp()
+{
+    Q_D(QEventLoop);
+    if (!d->threadData->eventDispatcher)
+        return;
+    d->threadData->eventDispatcher->wakeUp();
+}
+
+/*!
+    Tells the event loop to exit normally.
+
+    Same as exit(0).
+
+    \sa QCoreApplication::quit(), exit()
+*/
+void QEventLoop::quit()
+{ exit(0); }
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qeventloop.h b/src/corelib/kernel/qeventloop.h
new file mode 100644
index 0000000000..81ec339d7f
--- /dev/null
+++ b/src/corelib/kernel/qeventloop.h
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QEVENTLOOP_H
+#define QEVENTLOOP_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QEventLoopPrivate;
+
+class Q_CORE_EXPORT QEventLoop : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QEventLoop)
+
+public:
+    explicit QEventLoop(QObject *parent = 0);
+    ~QEventLoop();
+
+    enum ProcessEventsFlag {
+        AllEvents = 0x00,
+        ExcludeUserInputEvents = 0x01,
+        ExcludeSocketNotifiers = 0x02,
+        WaitForMoreEvents = 0x04,
+#ifdef QT3_SUPPORT
+        ExcludeUserInput = ExcludeUserInputEvents,
+        WaitForMore = WaitForMoreEvents,
+#endif
+	X11ExcludeTimers = 0x08
+#ifdef QT_DEPRECATED
+	, DeferredDeletion = 0x10
+#endif
+        , EventLoopExec = 0x20
+        , DialogExec = 0x40
+    };
+    Q_DECLARE_FLAGS(ProcessEventsFlags, ProcessEventsFlag)
+
+    bool processEvents(ProcessEventsFlags flags = AllEvents);
+    void processEvents(ProcessEventsFlags flags, int maximumTime);
+
+    int exec(ProcessEventsFlags flags = AllEvents);
+    void exit(int returnCode = 0);
+    bool isRunning() const;
+
+    void wakeUp();
+
+public Q_SLOTS:
+    void quit();
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QEventLoop::ProcessEventsFlags)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QEVENTLOOP_H
diff --git a/src/corelib/kernel/qfunctions_p.h b/src/corelib/kernel/qfunctions_p.h
new file mode 100644
index 0000000000..15f5fec44d
--- /dev/null
+++ b/src/corelib/kernel/qfunctions_p.h
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of qfunctions_*. This header file may change from version to version
+// without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QFUNCTIONS_P_H
+#define QFUNCTIONS_P_H
+
+#include <QtCore/qglobal.h>
+
+#if defined(Q_OS_WINCE)
+#  include "QtCore/qfunctions_wince.h"
+#endif
+
+#ifdef Q_CC_RVCT
+// rvct doesn't see static operators when using our qalgorithms
+#  define Q_STATIC_GLOBAL_OPERATOR inline
+#  define Q_STATIC_GLOBAL_INLINE_OPERATOR inline
+#else
+#  define Q_STATIC_GLOBAL_OPERATOR static
+#  define Q_STATIC_GLOBAL_INLINE_OPERATOR static inline
+#endif
+
+QT_BEGIN_HEADER
+QT_END_HEADER
+
+#endif
+
diff --git a/src/corelib/kernel/qfunctions_wince.cpp b/src/corelib/kernel/qfunctions_wince.cpp
new file mode 100644
index 0000000000..1c929c7e26
--- /dev/null
+++ b/src/corelib/kernel/qfunctions_wince.cpp
@@ -0,0 +1,453 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifdef _WIN32_WCE //Q_OS_WINCE
+
+#include <windows.h>
+#include <winbase.h>
+#include <kfuncs.h>
+#include <stdio.h>
+#include <altcecrt.h>
+
+#include "qplatformdefs.h"
+#include "qfunctions_wince.h"
+#include "qstring.h"
+#include "qbytearray.h"
+#include "qhash.h"
+
+QT_USE_NAMESPACE
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+wchar_t* CEPrivConvCharToWide(const char* string)
+{
+    size_t length = strlen(string);
+    wchar_t* wString = new wchar_t[length +1];
+    for (unsigned int i = 0; i < (length +1); i++)
+        wString[i] = string[i];
+    return wString;
+}
+
+// Time -------------------------------------------------------------
+time_t qt_wince_ftToTime_t( const FILETIME ft )
+{
+    ULARGE_INTEGER li;
+    li.LowPart  = ft.dwLowDateTime;
+    li.HighPart = ft.dwHighDateTime;
+
+    // 100-nanosec to seconds
+    li.QuadPart /= 10000000;
+
+    // FILETIME is from 1601-01-01 T 00:00:00
+    // time_t   is from 1970-01-01 T 00:00:00
+    // 1970 - 1601 = 369 year (89 leap years)
+    //
+    // ((369y*365d) + 89d) *24h *60min *60sec
+    // = 11644473600 seconds
+    li.QuadPart -= 11644473600;
+    return li.LowPart;
+}
+
+FILETIME qt_wince_time_tToFt( time_t tt )
+{
+    ULARGE_INTEGER li;
+    li.QuadPart  = tt;
+    li.QuadPart += 11644473600;
+    li.QuadPart *= 10000000;
+
+    FILETIME ft;
+    ft.dwLowDateTime = li.LowPart;
+    ft.dwHighDateTime = li.HighPart;
+    return ft;
+}
+
+// File I/O ---------------------------------------------------------
+int errno = 0;
+
+int qt_wince__getdrive( void )
+{
+    return 1;
+}
+
+int qt_wince__waccess( const WCHAR *path, int pmode )
+{
+    DWORD res = GetFileAttributes( path );
+    if ( 0xFFFFFFFF == res )
+        return -1;
+
+    if ( (pmode & W_OK) && (res & FILE_ATTRIBUTE_READONLY) )
+        return -1;
+
+    if ( (pmode & X_OK) && !(res & FILE_ATTRIBUTE_DIRECTORY) ) {
+        QString file = QString::fromUtf16(reinterpret_cast<const ushort *> (path));
+        if ( !(file.endsWith(QString::fromLatin1(".exe")) ||
+           file.endsWith(QString::fromLatin1(".com"))) )
+        return -1;
+    }
+
+    return 0;
+}
+
+int qt_wince_open( const char *filename, int oflag, int pmode )
+{
+    QString fn( QString::fromLatin1(filename) );
+    return _wopen( (WCHAR*)fn.utf16(), oflag, pmode );
+}
+
+int qt_wince__wopen( const WCHAR *filename, int oflag, int /*pmode*/ )
+{
+    WCHAR *flag;
+
+    if ( oflag & _O_APPEND ) {
+        if ( oflag & _O_WRONLY ) {
+            flag = L"a";
+        } else if ( oflag & _O_RDWR ) {
+            flag = L"a+";
+        }
+    } else if (oflag & _O_BINARY) {
+        if ( oflag & _O_WRONLY ) {
+            flag = L"wb";
+        } else if ( oflag & _O_RDWR ) {
+            flag = L"w+b"; // slightly different from "r+" where the file must exist
+        } else if ( oflag & _O_RDONLY ) {
+            flag = L"rb";
+        } else {
+            flag = L"b";
+        }
+    } else {
+        if ( oflag & _O_WRONLY ) {
+            flag = L"wt";
+        } else if ( oflag & _O_RDWR ) {
+            flag = L"w+t"; // slightly different from "r+" where the file must exist
+        } else if ( oflag & _O_RDONLY ) {
+            flag = L"rt";
+        } else {
+            flag = L"t";
+        }
+    }
+
+    int retval = (int)_wfopen( filename, flag );
+    return (retval == NULL) ? -1 : retval;
+}
+
+long qt_wince__lseek( int handle, long offset, int origin )
+{
+    return fseek( (FILE*)handle, offset, origin );
+}
+
+int qt_wince__read( int handle, void *buffer, unsigned int count )
+{
+    return fread( buffer, 1, count, (FILE*)handle );
+}
+
+int qt_wince__write( int handle, const void *buffer, unsigned int count )
+{
+    return fwrite( buffer, 1, count, (FILE*)handle );
+}
+
+int qt_wince__close( int handle )
+{
+    if (!handle)
+        return 0;
+    return fclose( (FILE*)handle );
+}
+
+FILE *qt_wince__fdopen(int handle, const char* /*mode*/)
+{
+    return (FILE*)handle;
+}
+
+FILE *qt_wince_fdopen( int handle, const char* /*mode*/ )
+{
+    return (FILE*)handle;
+}
+
+void qt_wince_rewind( FILE *stream )
+{
+    fseek( stream, 0L, SEEK_SET );
+}
+
+int qt_wince___fileno(FILE *f)
+{
+    return (int) _fileno(f);
+}
+
+FILE *qt_wince_tmpfile( void )
+{
+    static long i = 0;
+    char name[16];
+    sprintf( name, "tmp%i", i++ );
+    return fopen( name, "r+" );
+}
+
+int qt_wince__mkdir(const char *dirname)
+{
+    return CreateDirectory(reinterpret_cast<const wchar_t *> (QString(QString::fromLatin1(dirname)).utf16()), 0) ? 0 : -1;
+}
+
+int qt_wince__rmdir(const char *dirname)
+{
+    return RemoveDirectory(reinterpret_cast<const wchar_t *> (QString::fromLatin1(dirname).utf16())) ? 0 : -1;
+}
+
+int qt_wince__access( const char *path, int pmode )
+{
+    return _waccess(reinterpret_cast<const wchar_t *> (QString::fromLatin1(path).utf16()),pmode);
+}
+
+int qt_wince__rename( const char *oldname, const char *newname )
+{
+    return !MoveFile(reinterpret_cast<const wchar_t *> (QString::fromLatin1(oldname).utf16()), reinterpret_cast<const wchar_t *> (QString::fromLatin1(newname).utf16()));
+}
+
+int qt_wince__remove( const char *name )
+{
+    return !DeleteFile(reinterpret_cast<const wchar_t *> (QString::fromLatin1(name).utf16()));
+}
+
+int qt_wince_stat( const char *path, struct stat *buffer )
+{
+    WIN32_FIND_DATA finfo;
+    HANDLE ff = FindFirstFile( reinterpret_cast<const wchar_t *> (QString::fromLatin1(path).utf16()), &finfo );
+
+    if ( ff == INVALID_HANDLE_VALUE )
+        return -1;
+
+    buffer->st_ctime = qt_wince_ftToTime_t( finfo.ftCreationTime );
+    buffer->st_atime = qt_wince_ftToTime_t( finfo.ftLastAccessTime );
+    buffer->st_mtime = qt_wince_ftToTime_t( finfo.ftLastWriteTime );
+    buffer->st_nlink = 0;
+    buffer->st_size  = finfo.nFileSizeLow; // ### missing high!
+    buffer->st_mode  = (finfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? _S_IFDIR : _S_IFREG;
+    buffer->st_mode |= (finfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? _O_RDONLY : _O_RDWR;
+    return (FindClose(ff) == 0);
+}
+
+int qt_wince__fstat( int handle, struct stat *buffer)
+{
+    BY_HANDLE_FILE_INFORMATION fInfo;
+    BOOL res = GetFileInformationByHandle((HANDLE)handle, &fInfo);
+
+    buffer->st_ctime = qt_wince_ftToTime_t( fInfo.ftCreationTime );
+    buffer->st_atime = qt_wince_ftToTime_t( fInfo.ftLastAccessTime );
+    buffer->st_mtime = qt_wince_ftToTime_t( fInfo.ftLastWriteTime );
+    buffer->st_nlink = 0;
+    buffer->st_size  = fInfo.nFileSizeLow; // ### missing high!
+    buffer->st_mode  = (fInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? _S_IFDIR : _S_IFREG;
+    buffer->st_mode |= (fInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? _O_RDONLY : _O_RDWR;
+    return (res == 0);
+}
+
+int qt_wince_SetErrorMode(int newValue)
+{
+    static int oldValue;
+    int result = oldValue;
+    oldValue = newValue;
+    return result;
+}
+
+HRESULT qt_wince_CoInitialize(void* reserved)
+{
+    return CoInitializeEx(reserved, 0);
+}
+
+bool qt_wince__chmod(const char *file, int mode)
+{
+    return _wchmod( reinterpret_cast<const wchar_t *> (QString::fromLatin1(file).utf16()), mode);
+}
+
+bool qt_wince__wchmod(const WCHAR *file, int mode)
+{
+    // ### Does not work properly, what about just adding one property?
+    if(mode&_S_IWRITE) {
+        return SetFileAttributes(file, FILE_ATTRIBUTE_NORMAL);
+    } else if((mode&_S_IREAD) && !(mode&_S_IWRITE)) {
+        return SetFileAttributes(file, FILE_ATTRIBUTE_READONLY);
+    }
+    return false;
+}
+
+HANDLE qt_wince_CreateFileA(LPCSTR filename, DWORD access, DWORD share, LPSECURITY_ATTRIBUTES attr, DWORD dispo, DWORD flags, HANDLE tempFile)
+{
+    return CreateFileW( reinterpret_cast<const wchar_t *>(QString::fromLatin1(filename).utf16()), access, share, attr, dispo, flags, tempFile);
+}
+
+// Graphics ---------------------------------------------------------
+BOOL qt_wince_SetWindowOrgEx( HDC /*hdc*/, int /*X*/, int /*Y*/, LPPOINT /*lpPoint*/) {
+    return TRUE;
+}
+
+// Threading --------------------------------------------------------
+HANDLE qt_wince__beginthread(void( *start_address )( void * ), unsigned stack_size, void *arglist)
+{
+    unsigned initflag = 0;
+    if (stack_size > 0)
+        initflag |= STACK_SIZE_PARAM_IS_A_RESERVATION;
+    return CreateThread(NULL, stack_size, (LPTHREAD_START_ROUTINE)start_address, arglist, initflag, NULL);
+}
+
+unsigned long qt_wince__beginthreadex( void *security,
+                  unsigned stack_size,
+                  unsigned (__stdcall *start_address)(void *),
+                  void *arglist,
+                  unsigned initflag,
+                  unsigned *thrdaddr)
+{
+    if (stack_size > 0)
+        initflag |= STACK_SIZE_PARAM_IS_A_RESERVATION;
+    return (unsigned long)
+            CreateThread( (LPSECURITY_ATTRIBUTES)security,
+                          (DWORD)stack_size,
+                          (LPTHREAD_START_ROUTINE)start_address,
+                          (LPVOID)arglist,
+                          (DWORD)initflag | CREATE_SUSPENDED,
+                          (LPDWORD)thrdaddr);
+}
+
+void qt_wince__endthreadex(unsigned nExitCode) {
+    ExitThread((DWORD)nExitCode);
+}
+
+void *qt_wince_bsearch(const void *key,
+           const void *base,
+           size_t num,
+           size_t size,
+           int (__cdecl *compare)(const void *, const void *))
+{
+    size_t low = 0;
+    size_t high = num - 1;
+    while (low <= high) {
+        unsigned int mid = ((unsigned) (low + high)) >> 1;
+        int c = compare(key, (char*)base + mid * size);
+        if (c < 0)
+            high = mid - 1;
+        else if (c > 0)
+            low = mid + 1;
+        else
+            return (char*) base + mid * size;
+    }
+    return (NULL);
+}
+
+void *lfind(const void* key, const void* base, size_t* elements, size_t size,
+            int (__cdecl *compare)(const void*, const void*))
+{
+    const char* current = (char*) base;
+    const char* const end = (char*) (current + (*elements) * size);
+    while (current != end) {
+        if (compare(current, key) == 0)
+            return (void*)current;
+        current += size;
+    }
+    return 0;
+}
+
+DWORD qt_wince_GetThreadLocale(void)
+{
+    return GetUserDefaultLCID();
+}
+
+void *qt_wince_calloc( size_t num, size_t size )
+{
+    void *ptr = malloc( num * size );
+    if( ptr )
+        memset( ptr, 0, num * size );
+    return ptr;
+}
+
+// _getpid is currently only used for creating a temporary filename
+int qt_wince__getpid()
+{
+    return qAbs((int)GetCurrentProcessId());
+}
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+// Environment ------------------------------------------------------
+inline QHash<QByteArray, QByteArray>& qt_app_environment()
+{
+    static QHash<QByteArray, QByteArray> internalEnvironment;
+    return internalEnvironment;
+}
+
+errno_t qt_wince_getenv_s(size_t* sizeNeeded, char* buffer, size_t bufferSize, const char* varName)
+{
+    if (!sizeNeeded)
+        return EINVAL;
+
+    if (!qt_app_environment().contains(varName)) {
+        if (buffer)
+            buffer[0] = '\0';
+        return ENOENT;
+    }
+
+    QByteArray value = qt_app_environment().value(varName);
+    if (!value.endsWith('\0')) // win32 guarantees terminated string
+        value.append('\0');
+
+    if (bufferSize < (size_t)value.size()) {
+        *sizeNeeded = value.size();
+        return 0;
+    }
+
+    strcpy(buffer, value.constData());
+    return 0;
+}
+
+errno_t qt_wince__putenv_s(const char* varName, const char* value)
+{
+    QByteArray input = value;
+    if (input.isEmpty()) {
+        if (qt_app_environment().contains(varName))
+            qt_app_environment().remove(varName);
+    } else {
+        // win32 guarantees terminated string
+        if (!input.endsWith('\0'))
+            input.append('\0');
+        qt_app_environment()[varName] = input;
+    }
+
+    return 0;
+}
+
+#endif // Q_OS_WINCE
diff --git a/src/corelib/kernel/qfunctions_wince.h b/src/corelib/kernel/qfunctions_wince.h
new file mode 100644
index 0000000000..123bd23f82
--- /dev/null
+++ b/src/corelib/kernel/qfunctions_wince.h
@@ -0,0 +1,396 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFUNCTIONS_WCE_H
+#define QFUNCTIONS_WCE_H
+#ifdef Q_OS_WINCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <windows.h>
+#include <winuser.h>
+#include <winbase.h>
+#include <objbase.h>
+#include <kfuncs.h>
+#include <ctype.h>
+#include <time.h>
+#include <crtdefs.h>
+#include <altcecrt.h>
+#include <winsock.h>
+#include <ceconfig.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+#ifdef QT_BUILD_CORE_LIB
+QT_MODULE(Core)
+#endif
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+
+// The standard SDK misses this define...
+#define _control87 _controlfp
+
+#if !defined __cplusplus
+#define bool int
+#define true 1
+#define false 0
+#endif
+
+// Environment ------------------------------------------------------
+errno_t qt_wince_getenv_s(size_t*, char*, size_t, const char*);
+errno_t qt_wince__putenv_s(const char*, const char*);
+
+#ifdef __cplusplus // have this as tiff plugin is written in C
+extern "C" {
+#endif
+
+#define SetWindowLongA      SetWindowLong
+#define GetWindowLongA      GetWindowLong
+#define SendMessageA        SendMessage
+
+#if !defined(NO_ERRNO_H)
+#define NO_ERRNO_H
+#endif
+
+// Environment ------------------------------------------------------
+int qt_wince__getpid(void);
+
+
+// Time -------------------------------------------------------------
+#ifndef _TM_DEFINED
+#define _TM_DEFINED
+struct tm {
+    int tm_sec;     /* seconds after the minute - [0,59] */
+    int tm_min;     /* minutes after the hour - [0,59] */
+    int tm_hour;    /* hours since midnight - [0,23] */
+    int tm_mday;    /* day of the month - [1,31] */
+    int tm_mon;     /* months since January - [0,11] */
+    int tm_year;    /* years since 1900 */
+    int tm_wday;    /* days since Sunday - [0,6] */
+    int tm_yday;    /* days since January 1 - [0,365] */
+    int tm_isdst;   /* daylight savings time flag */
+};
+#endif // _TM_DEFINED
+
+FILETIME qt_wince_time_tToFt( time_t tt );
+
+// File I/O ---------------------------------------------------------
+#define _O_RDONLY       0x0001
+#define _O_RDWR         0x0002
+#define _O_WRONLY       0x0004
+#define _O_CREAT        0x0008
+#define _O_TRUNC        0x0010
+#define _O_APPEND       0x0020
+#define _O_EXCL         0x0040
+
+#define O_RDONLY        _O_RDONLY
+#define O_RDWR          _O_RDWR
+#define O_WRONLY        _O_WRONLY
+#define O_CREAT         _O_CREAT
+#define O_TRUNC         _O_TRUNC
+#define O_APPEND        _O_APPEND
+#define O_EXCL          _O_EXCL
+
+#define _S_IFMT         0x0600
+#define _S_IFDIR        0x0200
+#define _S_IFCHR        0x0100
+#define _S_IFREG        0x0400
+#define _S_IREAD        0x0010
+#define _S_IWRITE       0x0008
+
+#define S_IFMT          _S_IFMT
+#define S_IFDIR         _S_IFDIR
+#define S_IFCHR         _S_IFCHR
+#define S_IFREG         _S_IFREG
+#define S_IREAD         _S_IREAD
+#define S_IWRITE        _S_IWRITE
+
+#ifndef _IOFBF
+#define _IOFBF          0x0000
+#endif
+
+#ifndef _IOLBF
+#define _IOLBF          0x0040
+#endif
+
+#ifndef _IONBF
+#define _IONBF          0x0004
+#endif
+
+// Regular Berkeley error constants
+#ifndef _STAT_DEFINED
+#define _STAT_DEFINED
+struct stat
+{
+    int st_mode;
+    int st_size;
+    int st_nlink;
+    time_t st_mtime;
+    time_t st_atime;
+    time_t st_ctime;
+};
+#endif
+
+typedef int mode_t;
+extern int errno;
+
+int     qt_wince__getdrive( void );
+int     qt_wince__waccess( const WCHAR *path, int pmode );
+int     qt_wince__wopen( const WCHAR *filename, int oflag, int pmode );
+long    qt_wince__lseek( int handle, long offset, int origin );
+int     qt_wince__read( int handle, void *buffer, unsigned int count );
+int     qt_wince__write( int handle, const void *buffer, unsigned int count );
+int     qt_wince__close( int handle );
+FILE   *qt_wince__fdopen(int handle, const char *mode);
+FILE   *qt_wince_fdopen(int handle, const char *mode);
+void    qt_wince_rewind( FILE *stream );
+int     qt_wince___fileno(FILE *);
+FILE   *qt_wince_tmpfile( void );
+
+int qt_wince__mkdir(const char *dirname);
+int qt_wince__rmdir(const char *dirname);
+int qt_wince__access( const char *path, int pmode );
+int qt_wince__rename( const char *oldname, const char *newname );
+int qt_wince__remove( const char *name );
+int qt_wince_open( const char *filename, int oflag, int pmode );
+int qt_wince_stat( const char *path, struct stat *buffer );
+int qt_wince__fstat( int handle, struct stat *buffer);
+
+#define SEM_FAILCRITICALERRORS 0x0001
+#define SEM_NOOPENFILEERRORBOX 0x0002
+int qt_wince_SetErrorMode(int);
+HRESULT qt_wince_CoInitialize(void* reserved);
+
+bool qt_wince__chmod(const char *file, int mode);
+bool qt_wince__wchmod(const WCHAR *file, int mode);
+
+#pragma warning(disable: 4273)
+HANDLE qt_wince_CreateFileA(LPCSTR, DWORD, DWORD, LPSECURITY_ATTRIBUTES, DWORD, DWORD, HANDLE);
+
+// Printer ----------------------------------------------------------
+#define ETO_GLYPH_INDEX     0x0010
+
+// Graphics ---------------------------------------------------------
+#ifndef SM_CXCURSOR
+#  define SM_CXCURSOR       13
+#endif
+#ifndef SM_CYCURSOR
+#  define SM_CYCURSOR      14
+#endif
+BOOL qt_wince_SetWindowOrgEx( HDC hdc, int X, int Y, LPPOINT lpPoint );
+
+// Other stuff ------------------------------------------------------
+#define MWMO_ALERTABLE 0x0002
+// ### not the real values
+#define CREATE_NO_WINDOW        2
+#define CF_HDROP                15
+
+void *qt_wince_calloc(size_t num, size_t size);
+#if !defined(TLS_OUT_OF_INDEXES)
+#  define TLS_OUT_OF_INDEXES 0xffffffff
+#endif
+DWORD qt_wince_GetThreadLocale(void);
+
+HANDLE qt_wince__beginthread(void( *start_address )( void * ), unsigned stack_size, void *arglist);
+
+unsigned long qt_wince__beginthreadex( void *security,
+                              unsigned stack_size,
+                              unsigned (__stdcall *start_address)(void *),
+                              void *arglist,
+                              unsigned initflag,
+                              unsigned *thrdaddr );
+void qt_wince__endthreadex(unsigned nExitCode);
+
+
+// bsearch is needed for building the tiff plugin
+// otherwise it could go into qguifunctions_wce
+void *qt_wince_bsearch(const void *key,
+               const void *base,
+               size_t num,
+               size_t size,
+               int (__cdecl *compare)(const void *, const void *));
+
+// Missing typedefs
+#ifndef _TIME_T_DEFINED
+typedef unsigned long time_t;
+#define _TIME_T_DEFINED
+#endif
+typedef HANDLE HDROP;
+
+#ifndef WS_THICKFRAME
+#define WS_THICKFRAME   WS_DLGFRAME
+#endif
+
+typedef UINT    UWORD;
+
+// Missing definitions: not necessary equal to their Win32 values
+// (the goal is to just have a clean compilation of MFC)
+#define WS_MAXIMIZE               0
+#define WS_MINIMIZE               0
+#ifndef WS_EX_TOOLWINDOW
+#define WS_EX_TOOLWINDOW          0
+#endif
+#define WS_EX_NOPARENTNOTIFY      0
+#define WM_ENTERIDLE              0x0121
+#define WM_PRINT                  WM_PAINT
+#define WM_NCCREATE               (0x0081)
+#define WM_PARENTNOTIFY           0
+#define WM_NCDESTROY              (WM_APP-1)
+#ifndef SW_RESTORE
+#define SW_RESTORE                (SW_SHOWNORMAL)
+#endif
+#define SW_NORMAL                 (SW_SHOWNORMAL)
+#define WAIT_OBJECT_0             0x00000000L
+#define DEFAULT_GUI_FONT          SYSTEM_FONT
+#ifndef SWP_NOREDRAW
+#define SWP_NOREDRAW               0
+#endif
+#define WSAGETSELECTEVENT(lParam) LOWORD(lParam)
+#define HWND_TOPMOST              ((HWND)-1)
+#define HWND_NOTOPMOST            ((HWND)-2)
+#define PS_DOT                    2
+#define PD_ALLPAGES               0
+#define PD_USEDEVMODECOPIES       0
+#define PD_NOSELECTION            0
+#define PD_HIDEPRINTTOFILE        0
+#define PD_NOPAGENUMS             0
+#define CF_METAFILEPICT           3
+#define MM_ANISOTROPIC            8
+#define KF_ALTDOWN                0x2000
+#define SPI_GETWORKAREA           48
+
+#ifndef WM_SETCURSOR
+        #define WM_SETCURSOR 0x0020
+        #define IDC_ARROW           MAKEINTRESOURCE(32512)
+        #define IDC_IBEAM           MAKEINTRESOURCE(32513)
+        #define IDC_WAIT            MAKEINTRESOURCE(32514)
+        #define IDC_CROSS           MAKEINTRESOURCE(32515)
+        #define IDC_UPARROW         MAKEINTRESOURCE(32516)
+        #define IDC_SIZE            MAKEINTRESOURCE(32646)
+        #define IDC_ICON            MAKEINTRESOURCE(32512)
+        #define IDC_SIZENWSE        MAKEINTRESOURCE(32642)
+        #define IDC_SIZENESW        MAKEINTRESOURCE(32643)
+        #define IDC_SIZEWE          MAKEINTRESOURCE(32644)
+        #define IDC_SIZENS          MAKEINTRESOURCE(32645)
+        #define IDC_SIZEALL         MAKEINTRESOURCE(32646)
+        #define IDC_NO              MAKEINTRESOURCE(32648)
+        #define IDC_APPSTARTING     MAKEINTRESOURCE(32650)
+        #define IDC_HELP            MAKEINTRESOURCE(32651)
+        #define IDC_HAND            MAKEINTRESOURCE(32649)
+#endif
+
+#define GMEM_MOVEABLE             LMEM_MOVEABLE
+#define GPTR                      LPTR
+
+// WinCE: CESYSGEN prunes the following FRP defines,
+// and INTERNET_TRANSFER_TYPE_ASCII breaks in wininet.h
+#undef FTP_TRANSFER_TYPE_ASCII
+#define FTP_TRANSFER_TYPE_ASCII 0x00000001
+#undef FTP_TRANSFER_TYPE_BINARY
+#define FTP_TRANSFER_TYPE_BINARY 0x00000002
+
+typedef DWORD OLE_COLOR;
+
+// Define the Windows Styles which are not defined by MS
+#ifndef WS_POPUPWINDOW
+#define WS_POPUPWINDOW WS_POPUP|WS_BORDER|WS_SYSMENU|WS_CAPTION
+#endif
+
+#ifndef WS_OVERLAPPEDWINDOW
+#define WS_OVERLAPPEDWINDOW WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_THICKFRAME|WS_MINIMIZEBOX|WS_MAXIMIZEBOX
+#endif
+
+#ifndef WS_TILED
+#define WS_TILED WS_OVERLAPPED
+#endif
+
+#ifndef WS_TILEDWINDOW
+#define WS_TILEDWINDOW WS_OVERLAPPEDWINDOW
+#endif
+
+#ifndef WS_EX_CAPTIONOKBTN
+#define WS_EX_CAPTIONOKBTN 0x80000000L
+#endif
+
+#ifndef WS_EX_NODRAG
+#define WS_EX_NODRAG       0x40000000L
+#endif
+
+// As Windows CE lacks some standard functions used in Qt, these got
+// reimplented. Other projects do this as well and to not fill the
+// global namespace with this implementation, prepend qt_wince* and use
+// these versions inside of Qt.
+// The other declarations available in this file are being used per
+// define inside qplatformdefs.h of the corresponding WinCE mkspec.
+#define getenv_s(a,b,c,d)       qt_wince_getenv_s(a,b,c,d)
+#define _putenv_s(a,b)          qt_wince__putenv_s(a,b)
+#define _getpid()               qt_wince__getpid()
+#define time_tToFt(a)           qt_wince_time_tToFt(a)
+#define _getdrive()             qt_wince__getdrive()
+#define _waccess(a,b)           qt_wince__waccess(a,b)
+#define _wopen(a,b,c)           qt_wince__wopen(a,b,c)
+#define _fdopen(a,b)            qt_wince__fdopen(a,b)
+#define fdopen(a,b)             qt_wince_fdopen(a,b)
+#define rewind(a)               qt_wince_rewind(a)
+#define tmpfile()               qt_wince_tmpfile()
+#define _rename(a,b)            qt_wince__rename(a,b)
+#define _remove(a)              qt_wince__remove(a)
+#define SetErrorMode(a)         qt_wince_SetErrorMode(a)
+#define CoInitialize(a)         qt_wince_CoInitialize(a)
+#define _chmod(a,b)             qt_wince__chmod(a,b)
+#define _wchmod(a,b)            qt_wince__wchmod(a,b)
+#define CreateFileA(a,b,c,d,e,f,g) qt_wince_CreateFileA(a,b,c,d,e,f,g)
+#define SetWindowOrgEx(a,b,c,d) qt_wince_SetWindowOrgEx(a,b,c,d)
+#define calloc(a,b)             qt_wince_calloc(a,b)
+#define GetThreadLocale()       qt_wince_GetThreadLocale()
+#define _beginthread(a,b,c)     qt_wince__beginthread(a,b,c)
+#define _beginthreadex(a,b,c,d,e,f) qt_wince__beginthreadex(a,b,c,d,e,f)
+#define _endthreadex(a)         qt_wince__endthreadex(a)
+#define bsearch(a,b,c,d,e)      qt_wince_bsearch(a,b,c,d,e)
+
+#ifdef __cplusplus
+} // Extern C.
+#endif
+
+#endif // Q_OS_WINCE
+#endif // QFUNCTIONS_WCE_H
diff --git a/src/corelib/kernel/qmath.h b/src/corelib/kernel/qmath.h
new file mode 100644
index 0000000000..d8e0230f78
--- /dev/null
+++ b/src/corelib/kernel/qmath.h
@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMATH_H
+#define QMATH_H
+
+#include <math.h>
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+inline int qCeil(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return int(ceilf(v));
+    else
+#endif
+        return int(ceil(v));
+}
+
+inline int qFloor(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return int(floorf(v));
+    else
+#endif
+        return int(floor(v));
+}
+
+inline qreal qSin(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return sinf(v);
+    else
+#endif
+        return sin(v);
+}
+
+inline qreal qCos(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return cosf(v);
+    else
+#endif
+        return cos(v);
+}
+
+inline qreal qAcos(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return acosf(v);
+    else
+#endif
+        return acos(v);
+}
+
+inline qreal qSqrt(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return sqrtf(v);
+    else
+#endif
+        return sqrt(v);
+}
+
+inline qreal qLn(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return logf(v);
+    else
+#endif
+        return log(v);
+}
+
+inline qreal qPow(qreal x, qreal y)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return powf(x, y);
+    else
+#endif
+        return pow(x, y);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMATH_H
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp
new file mode 100644
index 0000000000..719398c948
--- /dev/null
+++ b/src/corelib/kernel/qmetaobject.cpp
@@ -0,0 +1,2555 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmetaobject.h"
+#include "qmetatype.h"
+#include "qobject.h"
+
+#include <qcoreapplication.h>
+#include <qcoreevent.h>
+#include <qdatastream.h>
+#include <qstringlist.h>
+#include <qthread.h>
+#include <qvarlengtharray.h>
+#include <qvariant.h>
+#include <qhash.h>
+#include <qdebug.h>
+#include <qsemaphore.h>
+
+#include "private/qobject_p.h"
+#include "private/qmetaobject_p.h"
+
+#include <ctype.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QMetaObject
+
+    \brief The QMetaObject class contains meta-information about Qt
+    objects.
+
+    \ingroup objectmodel
+
+    The Qt \l{Meta-Object System} in Qt is responsible for the
+    signals and slots inter-object communication mechanism, runtime
+    type information, and the Qt property system. A single
+    QMetaObject instance is created for each QObject subclass that is
+    used in an application, and this instance stores all the
+    meta-information for the QObject subclass. This object is
+    available as QObject::metaObject().
+
+    This class is not normally required for application programming,
+    but it is useful if you write meta-applications, such as scripting
+    engines or GUI builders.
+
+    The functions you are most likely to find useful are these:
+    \list
+    \o className() returns the name of a class.
+    \o superClass() returns the superclass's meta-object.
+    \o method() and methodCount() provide information
+       about a class's meta-methods (signals, slots and other
+       \l{Q_INVOKABLE}{invokable} member functions).
+    \o enumerator() and enumeratorCount() and provide information about
+       a class's enumerators.
+    \o propertyCount() and property() provide information about a
+       class's properties.
+    \o constructor() and constructorCount() provide information
+       about a class's meta-constructors.
+    \endlist
+
+    The index functions indexOfConstructor(), indexOfMethod(),
+    indexOfEnumerator(), and indexOfProperty() map names of constructors,
+    member functions, enumerators, or properties to indexes in the
+    meta-object. For example, Qt uses indexOfMethod() internally when you
+    connect a signal to a slot.
+
+    Classes can also have a list of \e{name}--\e{value} pairs of
+    additional class information, stored in QMetaClassInfo objects.
+    The number of pairs is returned by classInfoCount(), single pairs
+    are returned by classInfo(), and you can search for pairs with
+    indexOfClassInfo().
+
+    \sa QMetaClassInfo, QMetaEnum, QMetaMethod, QMetaProperty, QMetaType,
+        {Meta-Object System}
+*/
+
+/*!
+    \enum QMetaObject::Call
+
+    \internal
+
+    \value InvokeSlot
+    \value EmitSignal
+    \value ReadProperty
+    \value WriteProperty
+    \value ResetProperty
+    \value QueryPropertyDesignable
+    \value QueryPropertyScriptable
+    \value QueryPropertyStored
+    \value QueryPropertyEditable
+    \value QueryPropertyUser
+    \value CreateInstance
+*/
+
+/*!
+    \enum QMetaMethod::Access
+
+    This enum describes the access level of a method, following the conventions used in C++.
+
+    \value Private
+    \value Protected
+    \value Public
+*/
+
+// do not touch without touching the moc as well
+enum PropertyFlags  {
+    Invalid = 0x00000000,
+    Readable = 0x00000001,
+    Writable = 0x00000002,
+    Resettable = 0x00000004,
+    EnumOrFlag = 0x00000008,
+    StdCppSet = 0x00000100,
+//    Override = 0x00000200,
+    Designable = 0x00001000,
+    ResolveDesignable = 0x00002000,
+    Scriptable = 0x00004000,
+    ResolveScriptable = 0x00008000,
+    Stored = 0x00010000,
+    ResolveStored = 0x00020000,
+    Editable = 0x00040000,
+    ResolveEditable = 0x00080000,
+    User = 0x00100000,
+    ResolveUser = 0x00200000,
+    Notify = 0x00400000
+};
+
+enum MethodFlags  {
+    AccessPrivate = 0x00,
+    AccessProtected = 0x01,
+    AccessPublic = 0x02,
+    AccessMask = 0x03, //mask
+
+    MethodMethod = 0x00,
+    MethodSignal = 0x04,
+    MethodSlot = 0x08,
+    MethodConstructor = 0x0c,
+    MethodTypeMask = 0x0c,
+
+    MethodCompatibility = 0x10,
+    MethodCloned = 0x20,
+    MethodScriptable = 0x40
+};
+
+struct QMetaObjectPrivate
+{
+    int revision;
+    int className;
+    int classInfoCount, classInfoData;
+    int methodCount, methodData;
+    int propertyCount, propertyData;
+    int enumeratorCount, enumeratorData;
+    int constructorCount, constructorData;
+};
+
+static inline const QMetaObjectPrivate *priv(const uint* data)
+{ return reinterpret_cast<const QMetaObjectPrivate*>(data); }
+
+
+/*!
+    \since 4.5
+
+    Constructs a new instance of this class. You can pass up to ten arguments
+    (\a val0, \a val1, \a val2, \a val3, \a val4, \a val5, \a val6, \a val7,
+    \a val8, and \a val9) to the constructor. Returns the new object, or 0 if
+    no suitable constructor is available.
+
+    Note that only constructors that are declared with the Q_INVOKABLE
+    modifier are made available through the meta-object system.
+
+    \sa Q_ARG(), constructor()
+*/
+QObject *QMetaObject::newInstance(QGenericArgument val0,
+                                  QGenericArgument val1,
+                                  QGenericArgument val2,
+                                  QGenericArgument val3,
+                                  QGenericArgument val4,
+                                  QGenericArgument val5,
+                                  QGenericArgument val6,
+                                  QGenericArgument val7,
+                                  QGenericArgument val8,
+                                  QGenericArgument val9) const
+{
+    QVarLengthArray<char, 512> sig;
+    sig.append(className(), qstrlen(className()));
+    sig.append('(');
+
+    enum { MaximumParamCount = 10 };
+    const char *typeNames[] = {val0.name(), val1.name(), val2.name(), val3.name(), val4.name(),
+                               val5.name(), val6.name(), val7.name(), val8.name(), val9.name()};
+
+    int paramCount;
+    for (paramCount = 0; paramCount < MaximumParamCount; ++paramCount) {
+        int len = qstrlen(typeNames[paramCount]);
+        if (len <= 0)
+            break;
+        sig.append(typeNames[paramCount], len);
+        sig.append(',');
+    }
+    if (paramCount == 0)
+        sig.append(')'); // no parameters
+    else
+        sig[sig.size() - 1] = ')';
+    sig.append('\0');
+
+    int idx = indexOfConstructor(sig.constData());
+    if (idx < 0) {
+        QByteArray norm = QMetaObject::normalizedSignature(sig.constData());
+        idx = indexOfConstructor(norm.constData());
+    }
+    if (idx < 0)
+        return 0;
+
+    QVariant ret(QMetaType::QObjectStar, (void*)0);
+    void *param[] = {ret.data(), val0.data(), val1.data(), val2.data(), val3.data(), val4.data(),
+                     val5.data(), val6.data(), val7.data(), val8.data(), val9.data()};
+
+    if (static_metacall(CreateInstance, idx, param) >= 0)
+        return 0;
+    return *reinterpret_cast<QObject**>(param[0]);
+}
+
+/*!
+    \internal
+*/
+int QMetaObject::static_metacall(Call cl, int idx, void **argv) const
+{
+    if (priv(d.data)->revision < 2)
+        return 0;
+    const QMetaObjectExtraData *extra = (const QMetaObjectExtraData*)(d.extradata);
+    if (!extra || !extra->static_metacall)
+        return 0;
+    return extra->static_metacall(cl, idx, argv);
+}
+
+/*!
+    \fn const char *QMetaObject::className() const
+
+    Returns the class name.
+
+    \sa superClass()
+*/
+
+/*!
+    \fn QMetaObject *QMetaObject::superClass() const
+
+    Returns the meta-object of the superclass, or 0 if there is no
+    such object.
+
+    \sa className()
+*/
+
+/*!
+    \internal
+
+    Returns \a obj if object \a obj inherits from this
+    meta-object; otherwise returns 0.
+*/
+QObject *QMetaObject::cast(QObject *obj) const
+{
+    if (obj) {
+        const QMetaObject *m = obj->metaObject();
+        do {
+            if (m == this)
+                return const_cast<QObject*>(obj);
+        } while ((m = m->d.superdata));
+    }
+    return 0;
+}
+
+#ifndef QT_NO_TRANSLATION
+/*!
+    \internal
+*/
+QString QMetaObject::tr(const char *s, const char *c) const
+{
+    return QCoreApplication::translate(d.stringdata, s, c, QCoreApplication::CodecForTr);
+}
+
+/*!
+    \internal
+*/
+QString QMetaObject::tr(const char *s, const char *c, int n) const
+{
+    return QCoreApplication::translate(d.stringdata, s, c, QCoreApplication::CodecForTr, n);
+}
+
+/*!
+    \internal
+*/
+QString QMetaObject::trUtf8(const char *s, const char *c) const
+{
+    return QCoreApplication::translate(d.stringdata, s, c, QCoreApplication::UnicodeUTF8);
+}
+
+/*!
+    \internal
+*/
+QString QMetaObject::trUtf8(const char *s, const char *c, int n) const
+{
+    return QCoreApplication::translate(d.stringdata, s, c, QCoreApplication::UnicodeUTF8, n);
+}
+#endif // QT_NO_TRANSLATION
+
+/*!
+    Returns the method offset for this class; i.e. the index position
+    of this class's first member function.
+
+    The offset is the sum of all the methods in the class's
+    superclasses (which is always positive since QObject has the
+    deleteLater() slot and a destroyed() signal).
+
+    \sa method(), methodCount(), indexOfMethod()
+*/
+int QMetaObject::methodOffset() const
+{
+    int offset = 0;
+    const QMetaObject *m = d.superdata;
+    while (m) {
+        offset += priv(m->d.data)->methodCount;
+        m = m->d.superdata;
+    }
+    return offset;
+}
+
+
+/*!
+    Returns the enumerator offset for this class; i.e. the index
+    position of this class's first enumerator.
+
+    If the class has no superclasses with enumerators, the offset is
+    0; otherwise the offset is the sum of all the enumerators in the
+    class's superclasses.
+
+    \sa enumerator(), enumeratorCount(), indexOfEnumerator()
+*/
+int QMetaObject::enumeratorOffset() const
+{
+    int offset = 0;
+    const QMetaObject *m = d.superdata;
+    while (m) {
+        offset += priv(m->d.data)->enumeratorCount;
+        m = m->d.superdata;
+    }
+    return offset;
+}
+
+/*!
+    Returns the property offset for this class; i.e. the index
+    position of this class's first property.
+
+    The offset is the sum of all the properties in the class's
+    superclasses (which is always positive since QObject has the
+    name() property).
+
+    \sa property(), propertyCount(), indexOfProperty()
+*/
+int QMetaObject::propertyOffset() const
+{
+    int offset = 0;
+    const QMetaObject *m = d.superdata;
+    while (m) {
+        offset += priv(m->d.data)->propertyCount;
+        m = m->d.superdata;
+    }
+    return offset;
+}
+
+/*!
+    Returns the class information offset for this class; i.e. the
+    index position of this class's first class information item.
+
+    If the class has no superclasses with class information, the
+    offset is 0; otherwise the offset is the sum of all the class
+    information items in the class's superclasses.
+
+    \sa classInfo(), classInfoCount(), indexOfClassInfo()
+*/
+int QMetaObject::classInfoOffset() const
+{
+    int offset = 0;
+    const QMetaObject *m = d.superdata;
+    while (m) {
+        offset += priv(m->d.data)->classInfoCount;
+        m = m->d.superdata;
+    }
+    return offset;
+}
+
+/*!
+    \since 4.5
+
+    Returns the number of constructors in this class.
+
+    \sa constructor(), indexOfConstructor()
+*/
+int QMetaObject::constructorCount() const
+{
+    if (priv(d.data)->revision < 2)
+        return 0;
+    return priv(d.data)->constructorCount;
+}
+
+/*!
+    Returns the number of methods in this class, including the number of
+    properties provided by each base class. These include signals and slots
+    as well as normal member functions.
+
+    Use code like the following to obtain a QStringList containing the methods
+    specific to a given class:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp methodCount
+
+    \sa method(), methodOffset(), indexOfMethod()
+*/
+int QMetaObject::methodCount() const
+{
+    int n = priv(d.data)->methodCount;
+    const QMetaObject *m = d.superdata;
+    while (m) {
+        n += priv(m->d.data)->methodCount;
+        m = m->d.superdata;
+    }
+    return n;
+}
+
+/*!
+    Returns the number of enumerators in this class.
+
+    \sa enumerator(), enumeratorOffset(), indexOfEnumerator()
+*/
+int QMetaObject::enumeratorCount() const
+{
+    int n = priv(d.data)->enumeratorCount;
+    const QMetaObject *m = d.superdata;
+    while (m) {
+        n += priv(m->d.data)->enumeratorCount;
+        m = m->d.superdata;
+    }
+    return n;
+}
+
+/*!
+    Returns the number of properties in this class, including the number of
+    properties provided by each base class.
+
+    Use code like the following to obtain a QStringList containing the properties
+    specific to a given class:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp propertyCount
+
+    \sa property(), propertyOffset(), indexOfProperty()
+*/
+int QMetaObject::propertyCount() const
+{
+    int n = priv(d.data)->propertyCount;
+    const QMetaObject *m = d.superdata;
+    while (m) {
+        n += priv(m->d.data)->propertyCount;
+        m = m->d.superdata;
+    }
+    return n;
+}
+
+/*!
+    Returns the number of items of class information in this class.
+
+    \sa classInfo(), classInfoOffset(), indexOfClassInfo()
+*/
+int QMetaObject::classInfoCount() const
+{
+    int n = priv(d.data)->classInfoCount;
+    const QMetaObject *m = d.superdata;
+    while (m) {
+        n += priv(m->d.data)->classInfoCount;
+        m = m->d.superdata;
+    }
+    return n;
+}
+
+/*!
+    \since 4.5
+
+    Finds \a constructor and returns its index; otherwise returns -1.
+
+    Note that the \a constructor has to be in normalized form, as returned
+    by normalizedSignature().
+
+    \sa constructor(), constructorCount(), normalizedSignature()
+*/
+int QMetaObject::indexOfConstructor(const char *constructor) const
+{
+    if (priv(d.data)->revision < 2)
+        return -1;
+    for (int i = priv(d.data)->constructorCount-1; i >= 0; --i) {
+        if (strcmp(constructor, d.stringdata
+                   + d.data[priv(d.data)->constructorData + 5*i]) == 0) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+/*!
+    Finds \a method and returns its index; otherwise returns -1.
+
+    Note that the \a method has to be in normalized form, as returned
+    by normalizedSignature().
+
+    \sa method(), methodCount(), methodOffset(), normalizedSignature()
+*/
+int QMetaObject::indexOfMethod(const char *method) const
+{
+    int i = -1;
+    const QMetaObject *m = this;
+    while (m && i < 0) {
+        for (i = priv(m->d.data)->methodCount-1; i >= 0; --i)
+            if (strcmp(method, m->d.stringdata
+                       + m->d.data[priv(m->d.data)->methodData + 5*i]) == 0) {
+                i += m->methodOffset();
+                break;
+            }
+        m = m->d.superdata;
+    }
+    return i;
+}
+
+/*!
+    Finds \a signal and returns its index; otherwise returns -1.
+
+    This is the same as indexOfMethod(), except that it will return
+    -1 if the method exists but isn't a signal.
+
+    Note that the \a signal has to be in normalized form, as returned
+    by normalizedSignature().
+
+    \sa indexOfMethod(), normalizedSignature(), method(), methodCount(), methodOffset()
+*/
+int QMetaObject::indexOfSignal(const char *signal) const
+{
+    int i = -1;
+    const QMetaObject *m = this;
+    while (m && i < 0) {
+        for (i = priv(m->d.data)->methodCount-1; i >= 0; --i)
+            if ((m->d.data[priv(m->d.data)->methodData + 5*i + 4] & MethodTypeMask) == MethodSignal
+                && strcmp(signal, m->d.stringdata
+                          + m->d.data[priv(m->d.data)->methodData + 5*i]) == 0) {
+                i += m->methodOffset();
+                break;
+            }
+        m = m->d.superdata;
+    }
+#ifndef QT_NO_DEBUG
+    if (i >= 0 && m && m->d.superdata) {
+        int conflict = m->d.superdata->indexOfMethod(signal);
+        if (conflict >= 0)
+            qWarning("QMetaObject::indexOfSignal:%s: Conflict with %s::%s",
+                      m->d.stringdata, m->d.superdata->d.stringdata, signal);
+    }
+#endif
+    return i;
+}
+
+/*!
+    Finds \a slot and returns its index; otherwise returns -1.
+
+    This is the same as indexOfMethod(), except that it will return
+    -1 if the method exists but isn't a slot.
+
+    \sa indexOfMethod(), method(), methodCount(), methodOffset()
+*/
+int QMetaObject::indexOfSlot(const char *slot) const
+{
+    int i = -1;
+    const QMetaObject *m = this;
+    while (m && i < 0) {
+        for (i = priv(m->d.data)->methodCount-1; i >= 0; --i)
+            if ((m->d.data[priv(m->d.data)->methodData + 5*i + 4] & MethodTypeMask) == MethodSlot
+                && strcmp(slot, m->d.stringdata
+                       + m->d.data[priv(m->d.data)->methodData + 5*i]) == 0) {
+                i += m->methodOffset();
+                break;
+            }
+        m = m->d.superdata;
+    }
+    return i;
+}
+
+static const QMetaObject *QMetaObject_findMetaObject(const QMetaObject *self, const char *name)
+{
+    while (self) {
+        if (strcmp(self->d.stringdata, name) == 0)
+            return self;
+        if (self->d.extradata) {
+            const QMetaObject **e;
+            if (priv(self->d.data)->revision < 2) {
+                e = (const QMetaObject**)(self->d.extradata);
+            } else {
+                const QMetaObjectExtraData *extra = (const QMetaObjectExtraData*)(self->d.extradata);
+                e = extra->objects;
+            }
+            if (e) {
+                while (*e) {
+                    if (const QMetaObject *m =QMetaObject_findMetaObject((*e), name))
+                        return m;
+                    ++e;
+                }
+            }
+        }
+        self = self->d.superdata;
+    }
+    return self;
+}
+
+/*!
+    Finds enumerator \a name and returns its index; otherwise returns
+    -1.
+
+    \sa enumerator(), enumeratorCount(), enumeratorOffset()
+*/
+int QMetaObject::indexOfEnumerator(const char *name) const
+{
+    int i = -1;
+    const QMetaObject *m = this;
+    while (m && i < 0) {
+        for (i = priv(m->d.data)->enumeratorCount-1; i >= 0; --i)
+            if (strcmp(name, m->d.stringdata
+                       + m->d.data[priv(m->d.data)->enumeratorData + 4*i]) == 0) {
+                i += m->enumeratorOffset();
+                break;
+            }
+        m = m->d.superdata;
+    }
+    return i;
+}
+
+/*!
+    Finds property \a name and returns its index; otherwise returns
+    -1.
+
+    \sa property(), propertyCount(), propertyOffset()
+*/
+int QMetaObject::indexOfProperty(const char *name) const
+{
+    int i = -1;
+    const QMetaObject *m = this;
+    while (m && i < 0) {
+        for (i = priv(m->d.data)->propertyCount-1; i >= 0; --i)
+            if (strcmp(name, m->d.stringdata
+                       + m->d.data[priv(m->d.data)->propertyData + 3*i]) == 0) {
+                i += m->propertyOffset();
+                break;
+            }
+        m = m->d.superdata;
+    }
+    return i;
+}
+
+/*!
+    Finds class information item \a name and returns its index;
+    otherwise returns -1.
+
+    \sa classInfo(), classInfoCount(), classInfoOffset()
+*/
+int QMetaObject::indexOfClassInfo(const char *name) const
+{
+    int i = -1;
+    const QMetaObject *m = this;
+    while (m && i < 0) {
+        for (i = priv(m->d.data)->classInfoCount-1; i >= 0; --i)
+            if (strcmp(name, m->d.stringdata
+                       + m->d.data[priv(m->d.data)->classInfoData + 2*i]) == 0) {
+                i += m->classInfoOffset();
+                break;
+            }
+        m = m->d.superdata;
+    }
+    return i;
+}
+
+/*!
+    \since 4.5
+
+    Returns the meta-data for the constructor with the given \a index.
+
+    \sa constructorCount(), newInstance()
+*/
+QMetaMethod QMetaObject::constructor(int index) const
+{
+    int i = index;
+    QMetaMethod result;
+    if (priv(d.data)->revision >= 2 && i >= 0 && i < priv(d.data)->constructorCount) {
+        result.mobj = this;
+        result.handle = priv(d.data)->constructorData + 5*i;
+    }
+    return result;
+}
+
+/*!
+    Returns the meta-data for the method with the given \a index.
+
+    \sa methodCount(), methodOffset(), indexOfMethod()
+*/
+QMetaMethod QMetaObject::method(int index) const
+{
+    int i = index;
+    i -= methodOffset();
+    if (i < 0 && d.superdata)
+        return d.superdata->method(index);
+
+    QMetaMethod result;
+    if (i >= 0 && i < priv(d.data)->methodCount) {
+        result.mobj = this;
+        result.handle = priv(d.data)->methodData + 5*i;
+    }
+    return result;
+}
+
+/*!
+    Returns the meta-data for the enumerator with the given \a index.
+
+    \sa enumeratorCount(), enumeratorOffset(), indexOfEnumerator()
+*/
+QMetaEnum QMetaObject::enumerator(int index) const
+{
+    int i = index;
+    i -= enumeratorOffset();
+    if (i < 0 && d.superdata)
+        return d.superdata->enumerator(index);
+
+    QMetaEnum result;
+    if (i >= 0 && i < priv(d.data)->enumeratorCount) {
+        result.mobj = this;
+        result.handle = priv(d.data)->enumeratorData + 4*i;
+    }
+    return result;
+}
+
+/*!
+    Returns the meta-data for the property with the given \a index.
+    If no such property exists, a null QMetaProperty is returned.
+
+    \sa propertyCount(), propertyOffset(), indexOfProperty()
+*/
+QMetaProperty QMetaObject::property(int index) const
+{
+    int i = index;
+    i -= propertyOffset();
+    if (i < 0 && d.superdata)
+        return d.superdata->property(index);
+
+    QMetaProperty result;
+    if (i >= 0 && i < priv(d.data)->propertyCount) {
+        int handle = priv(d.data)->propertyData + 3*i;
+        int flags = d.data[handle + 2];
+        const char *type = d.stringdata + d.data[handle + 1];
+        result.mobj = this;
+        result.handle = handle;
+        result.idx = i;
+
+        if (flags & EnumOrFlag) {
+            result.menum = enumerator(indexOfEnumerator(type));
+            if (!result.menum.isValid()) {
+                QByteArray enum_name = type;
+                QByteArray scope_name = d.stringdata;
+                int s = enum_name.lastIndexOf("::");
+                if (s > 0) {
+                    scope_name = enum_name.left(s);
+                    enum_name = enum_name.mid(s + 2);
+                }
+                const QMetaObject *scope = 0;
+                if (scope_name == "Qt")
+                    scope = &QObject::staticQtMetaObject;
+                else
+                    scope = QMetaObject_findMetaObject(this, scope_name);
+                if (scope)
+                    result.menum = scope->enumerator(scope->indexOfEnumerator(enum_name));
+            }
+        }
+    }
+    return result;
+}
+
+/*!
+    \since 4.2
+
+    Returns the property that has the \c USER flag set to true.
+
+    \sa QMetaProperty::isUser()
+*/
+QMetaProperty QMetaObject::userProperty() const
+{
+    const int propCount = propertyCount();
+    for (int i = propCount - 1; i >= 0; --i) {
+        const QMetaProperty prop = property(i);
+        if (prop.isUser())
+            return prop;
+    }
+    return QMetaProperty();
+}
+
+/*!
+    Returns the meta-data for the item of class information with the
+    given \a index.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 0
+
+    \sa classInfoCount(), classInfoOffset(), indexOfClassInfo()
+ */
+QMetaClassInfo QMetaObject::classInfo(int index) const
+{
+    int i = index;
+    i -= classInfoOffset();
+    if (i < 0 && d.superdata)
+        return d.superdata->classInfo(index);
+
+    QMetaClassInfo result;
+    if (i >= 0 && i < priv(d.data)->classInfoCount) {
+        result.mobj = this;
+        result.handle = priv(d.data)->classInfoData + 2*i;
+    }
+    return result;
+}
+
+/*!
+    Returns true if the \a signal and \a method arguments are
+    compatible; otherwise returns false.
+
+    Both \a signal and \a method are expected to be normalized.
+
+    \sa normalizedSignature()
+*/
+bool QMetaObject::checkConnectArgs(const char *signal, const char *method)
+{
+    const char *s1 = signal;
+    const char *s2 = method;
+    while (*s1++ != '(') { }                        // scan to first '('
+    while (*s2++ != '(') { }
+    if (*s2 == ')' || qstrcmp(s1,s2) == 0)        // method has no args or
+        return true;                                //   exact match
+    int s1len = qstrlen(s1);
+    int s2len = qstrlen(s2);
+    if (s2len < s1len && strncmp(s1,s2,s2len-1)==0 && s1[s2len-1]==',')
+        return true;                                // method has less args
+    return false;
+}
+
+static void qRemoveWhitespace(const char *s, char *d)
+{
+    char last = 0;
+    while (*s && is_space(*s))
+        s++;
+    while (*s) {
+        while (*s && !is_space(*s))
+            last = *d++ = *s++;
+        while (*s && is_space(*s))
+            s++;
+        if (*s && ((is_ident_char(*s) && is_ident_char(last))
+                   || ((*s == ':') && (last == '<')))) {
+            last = *d++ = ' ';
+        }
+    }
+    *d = '\0';
+}
+
+static char *qNormalizeType(char *d, int &templdepth, QByteArray &result)
+{
+    const char *t = d;
+    while (*d && (templdepth
+                   || (*d != ',' && *d != ')'))) {
+        if (*d == '<')
+            ++templdepth;
+        if (*d == '>')
+            --templdepth;
+        ++d;
+    }
+    if (strncmp("void", t, d - t) != 0)
+        result += normalizeTypeInternal(t, d);
+
+    return d;
+}
+
+
+/*!
+    \since 4.2
+
+    Normalizes a \a type.
+
+    See QMetaObject::normalizedSignature() for a description on how
+    Qt normalizes.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 1
+
+    \sa normalizedSignature()
+ */
+QByteArray QMetaObject::normalizedType(const char *type)
+{
+    QByteArray result;
+
+    if (!type || !*type)
+        return result;
+
+    QVarLengthArray<char> stackbuf((int)strlen(type));
+    qRemoveWhitespace(type, stackbuf.data());
+    int templdepth = 0;
+    qNormalizeType(stackbuf.data(), templdepth, result);
+
+    return result;
+}
+
+/*!
+    Normalizes the signature of the given \a method.
+
+    Qt uses normalized signatures to decide whether two given signals
+    and slots are compatible. Normalization reduces whitespace to a
+    minimum, moves 'const' to the front where appropriate, removes
+    'const' from value types and replaces const references with
+    values.
+
+    \sa checkConnectArgs(), normalizedType()
+ */
+QByteArray QMetaObject::normalizedSignature(const char *method)
+{
+    QByteArray result;
+    if (!method || !*method)
+        return result;
+    int len = int(strlen(method));
+    char stackbuf[64];
+    char *buf = (len >= 64 ? new char[len+1] : stackbuf);
+    qRemoveWhitespace(method, buf);
+    char *d = buf;
+
+    result.reserve(len);
+
+    int argdepth = 0;
+    int templdepth = 0;
+    while (*d) {
+        if (argdepth == 1)
+            d = qNormalizeType(d, templdepth, result);
+        if (*d == '(')
+            ++argdepth;
+        if (*d == ')')
+            --argdepth;
+        result += *d++;
+    }
+
+    if (buf != stackbuf)
+        delete [] buf;
+    return result;
+}
+
+enum { MaximumParamCount = 11 }; // up to 10 arguments + 1 return value
+
+/*!
+    Invokes the \a member (a signal or a slot name) on the object \a
+    obj. Returns true if the member could be invoked. Returns false
+    if there is no such member or the parameters did not match.
+
+    The invocation can be either synchronous or asynchronous,
+    depending on \a type:
+
+    \list
+    \o If \a type is Qt::DirectConnection, the member will be invoked immediately.
+
+    \o If \a type is Qt::QueuedConnection,
+       a QEvent will be sent and the member is invoked as soon as the application
+       enters the main event loop.
+
+    \o If \a type is Qt::AutoConnection, the member is invoked
+       synchronously if \a obj lives in the same thread as the
+       caller; otherwise it will invoke the member asynchronously.
+    \endlist
+
+    The return value of the \a member function call is placed in \a
+    ret. If the invocation is asynchronous, the return value cannot
+    be evaluated. You can pass up to ten arguments (\a val0, \a val1,
+    \a val2, \a val3, \a val4, \a val5, \a val6, \a val7, \a val8,
+    and \a val9) to the \a member function.
+
+    QGenericArgument and QGenericReturnArgument are internal
+    helper classes. Because signals and slots can be dynamically
+    invoked, you must enclose the arguments using the Q_ARG() and
+    Q_RETURN_ARG() macros. Q_ARG() takes a type name and a
+    const reference of that type; Q_RETURN_ARG() takes a type name
+    and a non-const reference.
+
+    You only need to pass the name of the signal or slot to this function,
+    not the entire signature. For example, to asynchronously invoke
+    the \l{QPushButton::animateClick()}{animateClick()} slot on a
+    QPushButton, use the following code:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 2
+
+    With asynchronous method invocations, the parameters must be of
+    types that are known to Qt's meta-object system, because Qt needs
+    to copy the arguments to store them in an event behind the
+    scenes. If you try to use a queued connection and get the error
+    message
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 3
+
+    call qRegisterMetaType() to register the data type before you
+    call invokeMethod().
+
+    To synchronously invoke the \c compute(QString, int, double) slot on
+    some arbitrary object \c obj retrieve its return value:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 4
+
+    If the "compute" slot does not take exactly one QString, one int
+    and one double in the specified order, the call will fail.
+
+    \sa Q_ARG(), Q_RETURN_ARG(), qRegisterMetaType(), QMetaMethod::invoke()
+*/
+bool QMetaObject::invokeMethod(QObject *obj,
+                               const char *member,
+                               Qt::ConnectionType type,
+                               QGenericReturnArgument ret,
+                               QGenericArgument val0,
+                               QGenericArgument val1,
+                               QGenericArgument val2,
+                               QGenericArgument val3,
+                               QGenericArgument val4,
+                               QGenericArgument val5,
+                               QGenericArgument val6,
+                               QGenericArgument val7,
+                               QGenericArgument val8,
+                               QGenericArgument val9)
+{
+    if (!obj)
+        return false;
+
+    QVarLengthArray<char, 512> sig;
+    int len = qstrlen(member);
+    if (len <= 0)
+        return false;
+    sig.append(member, len);
+    sig.append('(');
+
+    const char *typeNames[] = {ret.name(), val0.name(), val1.name(), val2.name(), val3.name(),
+                               val4.name(), val5.name(), val6.name(), val7.name(), val8.name(),
+                               val9.name()};
+
+    int paramCount;
+    for (paramCount = 1; paramCount < MaximumParamCount; ++paramCount) {
+        len = qstrlen(typeNames[paramCount]);
+        if (len <= 0)
+            break;
+        sig.append(typeNames[paramCount], len);
+        sig.append(',');
+    }
+    if (paramCount == 1)
+        sig.append(')'); // no parameters
+    else
+        sig[sig.size() - 1] = ')';
+    sig.append('\0');
+
+    int idx = obj->metaObject()->indexOfMethod(sig.constData());
+    if (idx < 0) {
+        QByteArray norm = QMetaObject::normalizedSignature(sig.constData());
+        idx = obj->metaObject()->indexOfMethod(norm.constData());
+    }
+
+    if (idx < 0 || idx >= obj->metaObject()->methodCount())
+        return false;
+    QMetaMethod method = obj->metaObject()->method(idx);
+    return method.invoke(obj, type, ret,
+                         val0, val1, val2, val3, val4, val5, val6, val7, val8, val9);
+}
+
+/*! \fn bool QMetaObject::invokeMethod(QObject *obj, const char *member,
+                                       QGenericReturnArgument ret,
+                                       QGenericArgument val0 = QGenericArgument(0),
+                                       QGenericArgument val1 = QGenericArgument(),
+                                       QGenericArgument val2 = QGenericArgument(),
+                                       QGenericArgument val3 = QGenericArgument(),
+                                       QGenericArgument val4 = QGenericArgument(),
+                                       QGenericArgument val5 = QGenericArgument(),
+                                       QGenericArgument val6 = QGenericArgument(),
+                                       QGenericArgument val7 = QGenericArgument(),
+                                       QGenericArgument val8 = QGenericArgument(),
+                                       QGenericArgument val9 = QGenericArgument());
+    \overload invokeMethod()
+
+    This overload always invokes the member using the connection type Qt::AutoConnection.
+*/
+
+/*! \fn bool QMetaObject::invokeMethod(QObject *obj, const char *member,
+                             Qt::ConnectionType type,
+                             QGenericArgument val0 = QGenericArgument(0),
+                             QGenericArgument val1 = QGenericArgument(),
+                             QGenericArgument val2 = QGenericArgument(),
+                             QGenericArgument val3 = QGenericArgument(),
+                             QGenericArgument val4 = QGenericArgument(),
+                             QGenericArgument val5 = QGenericArgument(),
+                             QGenericArgument val6 = QGenericArgument(),
+                             QGenericArgument val7 = QGenericArgument(),
+                             QGenericArgument val8 = QGenericArgument(),
+                             QGenericArgument val9 = QGenericArgument())
+
+    \overload invokeMethod()
+
+    This overload can be used if the return value of the member is of no interest.
+*/
+
+/*!
+    \fn bool QMetaObject::invokeMethod(QObject *obj, const char *member,
+                             QGenericArgument val0 = QGenericArgument(0),
+                             QGenericArgument val1 = QGenericArgument(),
+                             QGenericArgument val2 = QGenericArgument(),
+                             QGenericArgument val3 = QGenericArgument(),
+                             QGenericArgument val4 = QGenericArgument(),
+                             QGenericArgument val5 = QGenericArgument(),
+                             QGenericArgument val6 = QGenericArgument(),
+                             QGenericArgument val7 = QGenericArgument(),
+                             QGenericArgument val8 = QGenericArgument(),
+                             QGenericArgument val9 = QGenericArgument())
+
+    \overload invokeMethod()
+
+    This overload invokes the member using the connection type Qt::AutoConnection and
+    ignores return values.
+*/
+
+/*!
+    \class QMetaMethod
+
+    \brief The QMetaMethod class provides meta-data about a member
+    function.
+
+    \ingroup objectmodel
+
+    A QMetaMethod has a methodType(), a signature(), a list of
+    parameterTypes() and parameterNames(), a return typeName(), a
+    tag(), and an access() specifier. You can use invoke() to invoke
+    the method on an arbitrary QObject.
+
+    \sa QMetaObject, QMetaEnum, QMetaProperty, {Qt's Property System}
+*/
+
+/*!
+    \enum QMetaMethod::Attributes
+
+    \internal
+
+    \value Compatibility
+    \value Cloned
+    \value Scriptable
+*/
+
+/*!
+    \fn const QMetaObject *QMetaMethod::enclosingMetaObject() const
+    \internal
+*/
+
+/*!
+    \enum QMetaMethod::MethodType
+
+    \value Method  The function is a plain member function.
+    \value Signal  The function is a signal.
+    \value Slot    The function is a slot.
+    \value Constructor The function is a constructor.
+*/
+
+/*!
+    \fn QMetaMethod::QMetaMethod()
+    \internal
+*/
+
+/*!
+    Returns the signature of this method (e.g.,
+    \c{setValue(double)}).
+
+    \sa parameterTypes(), parameterNames()
+*/
+const char *QMetaMethod::signature() const
+{
+    if (!mobj)
+        return 0;
+    return mobj->d.stringdata + mobj->d.data[handle];
+}
+
+/*!
+    Returns a list of parameter types.
+
+    \sa parameterNames(), signature()
+*/
+QList<QByteArray> QMetaMethod::parameterTypes() const
+{
+    QList<QByteArray> list;
+    if (!mobj)
+        return list;
+    const char *signature = mobj->d.stringdata + mobj->d.data[handle];
+    while (*signature && *signature != '(')
+        ++signature;
+    while (*signature && *signature != ')' && *++signature != ')') {
+        const char *begin = signature;
+        int level = 0;
+        while (*signature && (level > 0 || *signature != ',') && *signature != ')') {
+            if (*signature == '<')
+                ++level;
+            else if (*signature == '>')
+                --level;
+            ++signature;
+        }
+        list += QByteArray(begin, signature - begin);
+    }
+    return list;
+}
+
+/*!
+    Returns a list of parameter names.
+
+    \sa parameterTypes(), signature()
+*/
+QList<QByteArray> QMetaMethod::parameterNames() const
+{
+    QList<QByteArray> list;
+    if (!mobj)
+        return list;
+    const char *names =  mobj->d.stringdata + mobj->d.data[handle + 1];
+    if (*names == 0) {
+        // do we have one or zero arguments?
+        const char *signature = mobj->d.stringdata + mobj->d.data[handle];
+        while (*signature && *signature != '(')
+            ++signature;
+        if (*++signature != ')')
+            list += QByteArray();
+    } else {
+        --names;
+        do {
+            const char *begin = ++names;
+            while (*names && *names != ',')
+                ++names;
+            list += QByteArray(begin, names - begin);
+        } while (*names);
+    }
+    return list;
+}
+
+
+/*!
+    Returns the return type of this method, or an empty string if the
+    return type is \e void.
+*/
+const char *QMetaMethod::typeName() const
+{
+    if (!mobj)
+        return 0;
+    return mobj->d.stringdata + mobj->d.data[handle + 2];
+}
+
+/*!
+    Returns the tag associated with this method.
+
+    Tags are special macros recognized by \c moc that make it
+    possible to add extra information about a method. For the moment,
+    \c moc doesn't support any special tags.
+*/
+const char *QMetaMethod::tag() const
+{
+    if (!mobj)
+        return 0;
+    return mobj->d.stringdata + mobj->d.data[handle + 3];
+}
+
+
+/*! \internal */
+int QMetaMethod::attributes() const
+{
+    if (!mobj)
+        return false;
+    return ((mobj->d.data[handle + 4])>>4);
+}
+
+/*!
+    Returns the access specification of this method (private,
+    protected, or public).
+
+    Signals are always protected, meaning that you can only emit them
+    from the class or from a subclass.
+
+    \sa methodType()
+*/
+QMetaMethod::Access QMetaMethod::access() const
+{
+    if (!mobj)
+        return Private;
+    return (QMetaMethod::Access)(mobj->d.data[handle + 4] & AccessMask);
+}
+
+/*!
+    Returns the type of this method (signal, slot, or method).
+
+    \sa access()
+*/
+QMetaMethod::MethodType QMetaMethod::methodType() const
+{
+    if (!mobj)
+        return QMetaMethod::Method;
+    return (QMetaMethod::MethodType)((mobj->d.data[handle + 4] & MethodTypeMask)>>2);
+}
+
+/*!
+    Invokes this method on the object \a object. Returns true if the member could be invoked.
+    Returns false if there is no such member or the parameters did not match.
+
+    The invocation can be either synchronous or asynchronous, depending on the
+    \a connectionType:
+
+    \list
+    \o If \a connectionType is Qt::DirectConnection, the member will be invoked immediately.
+
+    \o If \a connectionType is Qt::QueuedConnection,
+       a QEvent will be posted and the member is invoked as soon as the application
+       enters the main event loop.
+
+    \o If \a connectionType is Qt::AutoConnection, the member is invoked
+       synchronously if \a object lives in the same thread as the
+       caller; otherwise it will invoke the member asynchronously.
+    \endlist
+
+    The return value of this method call is placed in \a
+    returnValue. If the invocation is asynchronous, the return value cannot
+    be evaluated. You can pass up to ten arguments (\a val0, \a val1,
+    \a val2, \a val3, \a val4, \a val5, \a val6, \a val7, \a val8,
+    and \a val9) to this method call.
+
+    QGenericArgument and QGenericReturnArgument are internal
+    helper classes. Because signals and slots can be dynamically
+    invoked, you must enclose the arguments using the Q_ARG() and
+    Q_RETURN_ARG() macros. Q_ARG() takes a type name and a
+    const reference of that type; Q_RETURN_ARG() takes a type name
+    and a non-const reference.
+
+    To asynchronously invoke the
+    \l{QPushButton::animateClick()}{animateClick()} slot on a
+    QPushButton:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 6
+
+    With asynchronous method invocations, the parameters must be of
+    types that are known to Qt's meta-object system, because Qt needs
+    to copy the arguments to store them in an event behind the
+    scenes. If you try to use a queued connection and get the error
+    message
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 7
+
+    call qRegisterMetaType() to register the data type before you
+    call QMetaMethod::invoke().
+
+    To synchronously invoke the \c compute(QString, int, double) slot on
+    some arbitrary object \c obj retrieve its return value:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 8
+
+    QMetaObject::normalizedSignature() is used here to ensure that the format 
+    of the signature is what invoke() expects.  E.g. extra whitespace is 
+    removed.
+
+    If the "compute" slot does not take exactly one QString, one int
+    and one double in the specified order, the call will fail.
+
+    \sa Q_ARG(), Q_RETURN_ARG(), qRegisterMetaType(), QMetaObject::invokeMethod()
+*/
+bool QMetaMethod::invoke(QObject *object,
+                         Qt::ConnectionType connectionType,
+                         QGenericReturnArgument returnValue,
+                         QGenericArgument val0,
+                         QGenericArgument val1,
+                         QGenericArgument val2,
+                         QGenericArgument val3,
+                         QGenericArgument val4,
+                         QGenericArgument val5,
+                         QGenericArgument val6,
+                         QGenericArgument val7,
+                         QGenericArgument val8,
+                         QGenericArgument val9) const
+{
+    if (!object || !mobj)
+        return false;
+
+    // check return type
+    if (returnValue.data()) {
+        const char *retType = typeName();
+        if (qstrcmp(returnValue.name(), retType) != 0) {
+            // normalize the return value as well
+            // the trick here is to make a function signature out of the return type
+            // so that we can call normalizedSignature() and avoid duplicating code
+            QByteArray unnormalized;
+            int len = qstrlen(returnValue.name());
+
+            unnormalized.reserve(len + 3);
+            unnormalized = "_(";        // the function is called "_"
+            unnormalized.append(returnValue.name());
+            unnormalized.append(')');
+
+            QByteArray normalized = QMetaObject::normalizedSignature(unnormalized.constData());
+            normalized.truncate(normalized.length() - 1); // drop the ending ')'
+
+            if (qstrcmp(normalized.constData() + 2, retType) != 0)
+                return false;
+        }
+    }
+
+    // check argument count (we don't allow invoking a method if given too few arguments)
+    const char *typeNames[] = {
+        returnValue.name(),
+        val0.name(),
+        val1.name(),
+        val2.name(),
+        val3.name(),
+        val4.name(),
+        val5.name(),
+        val6.name(),
+        val7.name(),
+        val8.name(),
+        val9.name()
+    };
+    int paramCount;
+    for (paramCount = 1; paramCount < MaximumParamCount; ++paramCount) {
+        if (qstrlen(typeNames[paramCount]) <= 0)
+            break;
+    }
+    int metaMethodArgumentCount = 0;
+    {
+        // based on QMetaObject::parameterNames()
+        const char *names = mobj->d.stringdata + mobj->d.data[handle + 1];
+        if (*names == 0) {
+            // do we have one or zero arguments?
+            const char *signature = mobj->d.stringdata + mobj->d.data[handle];
+            while (*signature && *signature != '(')
+                ++signature;
+            if (*++signature != ')')
+                ++metaMethodArgumentCount;
+        } else {
+            --names;
+            do {
+                ++names;
+                while (*names && *names != ',')
+                    ++names;
+                ++metaMethodArgumentCount;
+            } while (*names);
+        }
+    }
+    if (paramCount <= metaMethodArgumentCount)
+        return false;
+
+    // check connection type
+    QThread *currentThread = QThread::currentThread();
+    QThread *objectThread = object->thread();
+    if (connectionType == Qt::AutoConnection) {
+        connectionType = currentThread == objectThread
+                         ? Qt::DirectConnection
+                         : Qt::QueuedConnection;
+    }
+
+    // invoke!
+    void *param[] = {
+        returnValue.data(),
+        val0.data(),
+        val1.data(),
+        val2.data(),
+        val3.data(),
+        val4.data(),
+        val5.data(),
+        val6.data(),
+        val7.data(),
+        val8.data(),
+        val9.data()
+    };
+    // recompute the methodIndex by reversing the arithmetic in QMetaObject::property()
+    int methodIndex = ((handle - priv(mobj->d.data)->methodData) / 5) + mobj->methodOffset();
+    if (connectionType == Qt::DirectConnection) {
+        return object->qt_metacall(QMetaObject::InvokeMetaMethod, methodIndex, param) < 0;
+    } else {
+        if (returnValue.data()) {
+            qWarning("QMetaMethod::invoke: Unable to invoke methods with return values in "
+                     "queued connections");
+            return false;
+        }
+
+        int nargs = 1; // include return type
+        void **args = (void **) qMalloc(paramCount * sizeof(void *));
+        int *types = (int *) qMalloc(paramCount * sizeof(int));
+        types[0] = 0; // return type
+        args[0] = 0;
+
+        for (int i = 1; i < paramCount; ++i) {
+            types[i] = QMetaType::type(typeNames[i]);
+            if (types[i]) {
+                args[i] = QMetaType::construct(types[i], param[i]);
+                ++nargs;
+            } else if (param[i]) {
+                qWarning("QMetaMethod::invoke: Unable to handle unregistered datatype '%s'",
+                         typeNames[i]);
+                for (int x = 1; x < i; ++x) {
+                    if (types[x] && args[x])
+                        QMetaType::destroy(types[x], args[x]);
+                }
+                qFree(types);
+                qFree(args);
+                return false;
+            }
+        }
+
+        if (connectionType == Qt::QueuedConnection) {
+            QCoreApplication::postEvent(object, new QMetaCallEvent(methodIndex,
+                                                                   0,
+                                                                   -1,
+                                                                   nargs,
+                                                                   types,
+                                                                   args));
+        } else {
+            if (currentThread == objectThread) {
+                qWarning("QMetaMethod::invoke: Dead lock detected in "
+                         "BlockingQueuedConnection: Receiver is %s(%p)",
+                         mobj->className(), object);
+            }
+
+            // blocking queued connection
+#ifdef QT_NO_THREAD
+            QCoreApplication::postEvent(object, new QMetaCallEvent(methodIndex,
+                                                                   0,
+                                                                   -1,
+                                                                   nargs,
+                                                                   types,
+                                                                   args));
+#else
+            QSemaphore semaphore;
+            QCoreApplication::postEvent(object, new QMetaCallEvent(methodIndex,
+                                                                   0,
+                                                                   -1,
+                                                                   nargs,
+                                                                   types,
+                                                                   args,
+                                                                   &semaphore));
+            semaphore.acquire();
+#endif // QT_NO_THREAD
+        }
+    }
+    return true;
+}
+
+/*! \fn bool QMetaMethod::invoke(QObject *object,
+                                 QGenericReturnArgument returnValue,
+                                 QGenericArgument val0 = QGenericArgument(0),
+                                 QGenericArgument val1 = QGenericArgument(),
+                                 QGenericArgument val2 = QGenericArgument(),
+                                 QGenericArgument val3 = QGenericArgument(),
+                                 QGenericArgument val4 = QGenericArgument(),
+                                 QGenericArgument val5 = QGenericArgument(),
+                                 QGenericArgument val6 = QGenericArgument(),
+                                 QGenericArgument val7 = QGenericArgument(),
+                                 QGenericArgument val8 = QGenericArgument(),
+                                 QGenericArgument val9 = QGenericArgument()) const
+    \overload invoke()
+
+    This overload always invokes this method using the connection type Qt::AutoConnection.
+*/
+
+/*! \fn bool QMetaMethod::invoke(QObject *object,
+                                 Qt::ConnectionType connectionType,
+                                 QGenericArgument val0 = QGenericArgument(0),
+                                 QGenericArgument val1 = QGenericArgument(),
+                                 QGenericArgument val2 = QGenericArgument(),
+                                 QGenericArgument val3 = QGenericArgument(),
+                                 QGenericArgument val4 = QGenericArgument(),
+                                 QGenericArgument val5 = QGenericArgument(),
+                                 QGenericArgument val6 = QGenericArgument(),
+                                 QGenericArgument val7 = QGenericArgument(),
+                                 QGenericArgument val8 = QGenericArgument(),
+                                 QGenericArgument val9 = QGenericArgument()) const
+
+    \overload invoke()
+
+    This overload can be used if the return value of the member is of no interest.
+*/
+
+/*!
+    \fn bool QMetaMethod::invoke(QObject *object,
+                                 QGenericArgument val0 = QGenericArgument(0),
+                                 QGenericArgument val1 = QGenericArgument(),
+                                 QGenericArgument val2 = QGenericArgument(),
+                                 QGenericArgument val3 = QGenericArgument(),
+                                 QGenericArgument val4 = QGenericArgument(),
+                                 QGenericArgument val5 = QGenericArgument(),
+                                 QGenericArgument val6 = QGenericArgument(),
+                                 QGenericArgument val7 = QGenericArgument(),
+                                 QGenericArgument val8 = QGenericArgument(),
+                                 QGenericArgument val9 = QGenericArgument()) const
+
+    \overload invoke()
+
+    This overload invokes this method using the
+    connection type Qt::AutoConnection and ignores return values.
+*/
+
+/*!
+    \class QMetaEnum
+    \brief The QMetaEnum class provides meta-data about an enumerator.
+
+    \ingroup objectmodel
+
+    Use name() for the enumerator's name. The enumerator's keys (names
+    of each enumerated item) are returned by key(); use keyCount() to find
+    the number of keys. isFlag() returns whether the enumerator is
+    meant to be used as a flag, meaning that its values can be combined
+    using the OR operator.
+
+    The conversion functions keyToValue(), valueToKey(), keysToValue(),
+    and valueToKeys() allow conversion between the integer
+    representation of an enumeration or set value and its literal
+    representation. The scope() function returns the class scope this
+    enumerator was declared in.
+
+    \sa QMetaObject, QMetaMethod, QMetaProperty
+*/
+
+/*!
+    \fn bool QMetaEnum::isValid() const
+
+    Returns true if this enum is valid (has a name); otherwise returns
+    false.
+
+    \sa name()
+*/
+
+/*!
+    \fn const QMetaObject *QMetaEnum::enclosingMetaObject() const
+    \internal
+*/
+
+
+/*!
+    \fn QMetaEnum::QMetaEnum()
+    \internal
+*/
+
+/*!
+    Returns the name of the enumerator (without the scope).
+
+    For example, the Qt::AlignmentFlag enumeration has \c
+    AlignmentFlag as the name and \l Qt as the scope.
+
+    \sa isValid(), scope()
+*/
+const char *QMetaEnum::name() const
+{
+    if (!mobj)
+        return 0;
+    return mobj->d.stringdata + mobj->d.data[handle];
+}
+
+/*!
+    Returns the number of keys.
+
+    \sa key()
+*/
+int QMetaEnum::keyCount() const
+{
+    if (!mobj)
+        return 0;
+    return mobj->d.data[handle + 2];
+}
+
+
+/*!
+    Returns the key with the given \a index, or 0 if no such key exists.
+
+    \sa keyCount(), value(), valueToKey()
+*/
+const char *QMetaEnum::key(int index) const
+{
+    if (!mobj)
+        return 0;
+    int count = mobj->d.data[handle + 2];
+    int data = mobj->d.data[handle + 3];
+    if (index >= 0  && index < count)
+        return mobj->d.stringdata + mobj->d.data[data + 2*index];
+    return 0;
+}
+
+/*!
+    Returns the value with the given \a index; or returns -1 if there
+    is no such value.
+
+    \sa keyCount(), key(), keyToValue()
+*/
+int QMetaEnum::value(int index) const
+{
+    if (!mobj)
+        return 0;
+    int count = mobj->d.data[handle + 2];
+    int data = mobj->d.data[handle + 3];
+    if (index >= 0  && index < count)
+        return mobj->d.data[data + 2*index + 1];
+    return -1;
+}
+
+
+/*!
+    Returns true if this enumerator is used as a flag; otherwise returns
+    false.
+
+    When used as flags, enumerators can be combined using the OR
+    operator.
+
+    \sa keysToValue(), valueToKeys()
+*/
+bool QMetaEnum::isFlag() const
+{
+    return mobj && mobj->d.data[handle + 1];
+}
+
+
+/*!
+    Returns the scope this enumerator was declared in.
+
+    For example, the Qt::AlignmentFlag enumeration has \c Qt as
+    the scope and \c AlignmentFlag as the name.
+
+    \sa name()
+*/
+const char *QMetaEnum::scope() const
+{
+    return mobj?mobj->d.stringdata : 0;
+}
+
+/*!
+    Returns the integer value of the given enumeration \a key, or -1
+    if \a key is not defined.
+
+    For flag types, use keysToValue().
+
+    \sa valueToKey(), isFlag(), keysToValue()
+*/
+int QMetaEnum::keyToValue(const char *key) const
+{
+    if (!mobj || !key)
+        return -1;
+    uint scope = 0;
+    const char *qualified_key = key;
+    const char *s = key + qstrlen(key);
+    while (s > key && *s != ':')
+        --s;
+    if (s > key && *(s-1)==':') {
+        scope = s - key - 1;
+        key += scope + 2;
+    }
+    int count = mobj->d.data[handle + 2];
+    int data = mobj->d.data[handle + 3];
+    for (int i = 0; i < count; ++i)
+        if ((!scope || (qstrlen(mobj->d.stringdata) == scope && strncmp(qualified_key, mobj->d.stringdata, scope) == 0))
+             && strcmp(key, mobj->d.stringdata + mobj->d.data[data + 2*i]) == 0)
+            return mobj->d.data[data + 2*i + 1];
+    return -1;
+}
+
+/*!
+    Returns the string that is used as the name of the given
+    enumeration \a value, or 0 if \a value is not defined.
+
+    For flag types, use valueToKeys().
+
+    \sa isFlag(), valueToKeys()
+*/
+const char* QMetaEnum::valueToKey(int value) const
+{
+    if (!mobj)
+        return 0;
+    int count = mobj->d.data[handle + 2];
+    int data = mobj->d.data[handle + 3];
+    for (int i = 0; i < count; ++i)
+        if (value == (int)mobj->d.data[data + 2*i + 1])
+            return mobj->d.stringdata + mobj->d.data[data + 2*i];
+    return 0;
+}
+
+/*!
+    Returns the value derived from combining together the values of
+    the \a keys using the OR operator, or -1 if \a keys is not
+    defined. Note that the strings in \a keys must be '|'-separated.
+
+    \sa isFlag(), valueToKey(), valueToKeys()
+*/
+int QMetaEnum::keysToValue(const char *keys) const
+{
+    if (!mobj)
+        return -1;
+    QStringList l = QString::fromLatin1(keys).split(QLatin1Char('|'));
+    //#### TODO write proper code, do not use QStringList
+    int value = 0;
+    int count = mobj->d.data[handle + 2];
+    int data = mobj->d.data[handle + 3];
+    for (int li = 0; li < l.size(); ++li) {
+        QString trimmed = l.at(li).trimmed();
+        QByteArray qualified_key = trimmed.toLatin1();
+        const char *key = qualified_key.constData();
+        uint scope = 0;
+        const char *s = key + qstrlen(key);
+        while (s > key && *s != ':')
+            --s;
+        if (s > key && *(s-1)==':') {
+            scope = s - key - 1;
+            key += scope + 2;
+        }
+        int i;
+        for (i = count-1; i >= 0; --i)
+            if ((!scope || (qstrlen(mobj->d.stringdata) == scope && strncmp(qualified_key.constData(), mobj->d.stringdata, scope) == 0))
+                 && strcmp(key, mobj->d.stringdata + mobj->d.data[data + 2*i]) == 0) {
+                value |= mobj->d.data[data + 2*i + 1];
+                break;
+            }
+        if (i < 0)
+            value |= -1;
+    }
+    return value;
+}
+
+/*!
+    Returns a byte array of '|'-separated keys that represents the
+    given \a value.
+
+    \sa isFlag(), valueToKey(), keysToValue()
+*/
+QByteArray QMetaEnum::valueToKeys(int value) const
+{
+    QByteArray keys;
+    if (!mobj)
+        return keys;
+    int count = mobj->d.data[handle + 2];
+    int data = mobj->d.data[handle + 3];
+    int v = value;
+    for(int i = 0; i < count; i++) {
+        int k = mobj->d.data[data + 2*i + 1];
+        if ((k != 0 && (v & k) == k ) ||  (k == value))  {
+            v = v & ~k;
+            if (!keys.isEmpty())
+                keys += '|';
+            keys += mobj->d.stringdata + mobj->d.data[data + 2*i];
+        }
+    }
+    return keys;
+}
+
+static QByteArray qualifiedName(const QMetaEnum &e)
+{
+    return QByteArray(e.scope()) + "::" + e.name();
+}
+
+/*!
+    \class QMetaProperty
+    \brief The QMetaProperty class provides meta-data about a property.
+
+    \ingroup objectmodel
+
+    A property has a name() and a type(), as well as various
+    attributes that specify its behavior: isReadable(), isWritable(),
+    isDesignable(), isScriptable(), and isStored().
+
+    If the property is an enumeration, isEnumType() returns true; if the
+    property is an enumeration that is also a flag (i.e. its values
+    can be combined using the OR operator), isEnumType() and
+    isFlagType() both return true. The enumerator for these types is
+    available from enumerator().
+
+    The property's values are set and retrieved with read(), write(),
+    and reset(); they can also be changed through QObject's set and get
+    functions. See QObject::setProperty() and QObject::property() for
+    details.
+
+    You get property meta-data through an object's meta-object. See
+    QMetaObject::property() and QMetaObject::propertyCount() for
+    details.
+
+    \sa QMetaObject, QMetaEnum, QMetaMethod, {Qt's Property System}
+*/
+
+/*!
+    \fn bool QMetaProperty::isValid() const
+
+    Returns true if this property is valid (readable); otherwise
+    returns false.
+
+    \sa isReadable()
+*/
+
+/*!
+    \fn const QMetaObject *QMetaProperty::enclosingMetaObject() const
+    \internal
+*/
+
+/*!
+    \internal
+*/
+QMetaProperty::QMetaProperty()
+    : mobj(0), handle(0), idx(0)
+{
+}
+
+
+/*!
+    Returns this property's name.
+
+    \sa type(), typeName()
+*/
+const char *QMetaProperty::name() const
+{
+    if (!mobj)
+        return 0;
+    int handle = priv(mobj->d.data)->propertyData + 3*idx;
+    return mobj->d.stringdata + mobj->d.data[handle];
+}
+
+/*!
+    Returns the name of this property's type.
+
+    \sa type(), name()
+*/
+const char *QMetaProperty::typeName() const
+{
+    if (!mobj)
+        return 0;
+    int handle = priv(mobj->d.data)->propertyData + 3*idx;
+    return mobj->d.stringdata + mobj->d.data[handle + 1];
+}
+
+/*!
+    Returns this property's type. The return value is one
+    of the values of the QVariant::Type enumeration.
+
+    \sa userType(), typeName(), name()
+*/
+QVariant::Type QMetaProperty::type() const
+{
+    if (!mobj)
+        return QVariant::Invalid;
+    int handle = priv(mobj->d.data)->propertyData + 3*idx;
+    uint flags = mobj->d.data[handle + 2];
+
+    uint type = flags >> 24;
+    if (type == 0xff) // special value for QVariant
+        type = QVariant::LastType;
+    if (type)
+        return QVariant::Type(type);
+    if (isEnumType()) {
+        int enumMetaTypeId = QMetaType::type(qualifiedName(menum));
+        if (enumMetaTypeId == 0)
+            return QVariant::Int;
+    }
+
+    return QVariant::UserType;
+}
+
+/*!
+    \since 4.2
+
+    Returns this property's user type. The return value is one
+    of the values that are registered with QMetaType, or 0 if
+    the type is not registered.
+
+    \sa type(), QMetaType, typeName()
+ */
+int QMetaProperty::userType() const
+{
+    QVariant::Type tp = type();
+    if (tp != QVariant::UserType)
+        return tp;
+    if (isEnumType()) {
+        int enumMetaTypeId = QMetaType::type(qualifiedName(menum));
+        return enumMetaTypeId;
+    }
+    return QMetaType::type(typeName());
+}
+
+/*!
+    Returns true if the property's type is an enumeration value that
+    is used as a flag; otherwise returns false.
+
+    Flags can be combined using the OR operator. A flag type is
+    implicitly also an enum type.
+
+    \sa isEnumType(), enumerator(), QMetaEnum::isFlag()
+*/
+
+bool QMetaProperty::isFlagType() const
+{
+    return isEnumType() && menum.isFlag();
+}
+
+/*!
+    Returns true if the property's type is an enumeration value;
+    otherwise returns false.
+
+    \sa enumerator(), isFlagType()
+*/
+bool QMetaProperty::isEnumType() const
+{
+    if (!mobj)
+        return false;
+    int handle = priv(mobj->d.data)->propertyData + 3*idx;
+    int flags = mobj->d.data[handle + 2];
+    return (flags & EnumOrFlag) && menum.name();
+}
+
+/*!
+    \internal
+
+    Returns true if the property has a C++ setter function that
+    follows Qt's standard "name" / "setName" pattern. Designer and uic
+    query hasStdCppSet() in order to avoid expensive
+    QObject::setProperty() calls. All properties in Qt [should] follow
+    this pattern.
+*/
+bool QMetaProperty::hasStdCppSet() const
+{
+    if (!mobj)
+        return false;
+    int handle = priv(mobj->d.data)->propertyData + 3*idx;
+    int flags = mobj->d.data[handle + 2];
+    return (flags & StdCppSet);
+}
+
+/*!
+    Returns the enumerator if this property's type is an enumerator
+    type; otherwise the returned value is undefined.
+
+    \sa isEnumType(), isFlagType()
+*/
+QMetaEnum QMetaProperty::enumerator() const
+{
+    return menum;
+}
+
+/*!
+    Reads the property's value from the given \a object. Returns the value
+    if it was able to read it; otherwise returns an invalid variant.
+
+    \sa write(), reset(), isReadable()
+*/
+QVariant QMetaProperty::read(const QObject *object) const
+{
+    if (!object || !mobj)
+        return QVariant();
+
+    uint t = QVariant::Int;
+    if (isEnumType()) {
+        /*
+          try to create a QVariant that can be converted to this enum
+          type (only works if the enum has already been registered
+          with QMetaType)
+        */
+        int enumMetaTypeId = QMetaType::type(qualifiedName(menum));
+        if (enumMetaTypeId != 0)
+            t = enumMetaTypeId;
+    } else {
+        int handle = priv(mobj->d.data)->propertyData + 3*idx;
+        uint flags = mobj->d.data[handle + 2];
+        const char *typeName = mobj->d.stringdata + mobj->d.data[handle + 1];
+        t = (flags >> 24);
+        if (t == 0xff) // special value for QVariant
+            t = QVariant::LastType;
+        if (t == QVariant::Invalid)
+            t = QMetaType::type(typeName);
+        if (t == QVariant::Invalid)
+            t = QVariant::nameToType(typeName);
+        if (t == QVariant::Invalid || t == QVariant::UserType) {
+            if (t == QVariant::Invalid)
+                qWarning("QMetaProperty::read: Unable to handle unregistered datatype '%s' for property '%s::%s'", typeName, mobj->className(), name());
+            return QVariant();
+        }
+    }
+    QVariant value;
+    void *argv[2] = { 0, &value };
+    if (t == QVariant::LastType) {
+        argv[0] = &value;
+    } else {
+        value = QVariant(t, (void*)0);
+        argv[0] = value.data();
+    }
+    const_cast<QObject*>(object)->qt_metacall(QMetaObject::ReadProperty,
+                                              idx + mobj->propertyOffset(),
+                                              argv);
+    if (argv[1] == 0)
+        // "value" was changed
+        return value;
+    if (t != QVariant::LastType && argv[0] != value.data())
+        // pointer or reference
+        return QVariant((QVariant::Type)t, argv[0]);
+    return value;
+}
+
+/*!
+    Writes \a value as the property's value to the given \a object. Returns
+    true if the write succeeded; otherwise returns false.
+
+    \sa read(), reset(), isWritable()
+*/
+bool QMetaProperty::write(QObject *object, const QVariant &value) const
+{
+    if (!object || !isWritable())
+        return false;
+
+    QVariant v = value;
+    uint t = QVariant::Invalid;
+    if (isEnumType()) {
+        if (v.type() == QVariant::String
+#ifdef QT3_SUPPORT
+            || v.type() == QVariant::CString
+#endif
+            ) {
+            if (isFlagType())
+                v = QVariant(menum.keysToValue(value.toByteArray()));
+            else
+                v = QVariant(menum.keyToValue(value.toByteArray()));
+        } else if (v.type() != QVariant::Int && v.type() != QVariant::UInt) {
+            int enumMetaTypeId = QMetaType::type(qualifiedName(menum));
+            if ((enumMetaTypeId == 0) || (v.userType() != enumMetaTypeId) || !v.constData())
+                return false;
+            v = QVariant(*reinterpret_cast<const int *>(v.constData()));
+        }
+        v.convert(QVariant::Int);
+    } else {
+        int handle = priv(mobj->d.data)->propertyData + 3*idx;
+        uint flags = mobj->d.data[handle + 2];
+        t = flags >> 24;
+        if (t == 0xff) // special value for QVariant
+            t = QVariant::LastType;
+        if (t == QVariant::Invalid) {
+            const char *typeName = mobj->d.stringdata + mobj->d.data[handle + 1];
+            const char *vtypeName = value.typeName();
+            if (vtypeName && strcmp(typeName, vtypeName) == 0)
+                t = value.userType();
+            else
+                t = QVariant::nameToType(typeName);
+        }
+        if (t == QVariant::Invalid)
+            return false;
+        if (t != QVariant::LastType && t != (uint)value.userType() && (t < QMetaType::User && !v.convert((QVariant::Type)t)))
+            return false;
+    }
+
+    void *argv[2] = { 0, &v };
+    if (t == QVariant::LastType)
+        argv[0] = &v;
+    else
+        argv[0] = v.data();
+    object->qt_metacall(QMetaObject::WriteProperty, idx + mobj->propertyOffset(), argv);
+    return true;
+}
+
+/*!
+    Resets the property for the given \a object with a reset method.
+    Returns true if the reset worked; otherwise returns false.
+
+    Reset methods are optional; only a few properties support them.
+
+    \sa read(), write()
+*/
+bool QMetaProperty::reset(QObject *object) const
+{
+    if (!object || !mobj || !isResettable())
+        return false;
+    void *argv[] = { 0 };
+    object->qt_metacall(QMetaObject::ResetProperty, idx + mobj->propertyOffset(), argv);
+    return true;
+}
+
+/*!
+    Returns true if this property can be reset to a default value; otherwise
+    returns false.
+
+    \sa reset()
+*/
+bool QMetaProperty::isResettable() const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    return flags & Resettable;
+}
+
+/*!
+    Returns true if this property is readable; otherwise returns false.
+
+    \sa isWritable(), read(), isValid()
+ */
+bool QMetaProperty::isReadable() const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    return flags & Readable;
+}
+
+/*!
+    Returns true if this property has a corresponding change notify signal;
+    otherwise returns false.
+
+    \sa notifySignal()
+ */
+bool QMetaProperty::hasNotifySignal() const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    return flags & Notify;
+}
+
+/*!
+    \since 4.5
+
+    Returns the QMetaMethod instance of the property change notifying signal if
+    one was specified, otherwise returns an invalid QMetaMethod.
+
+    \sa hasNotifySignal()
+ */
+QMetaMethod QMetaProperty::notifySignal() const
+{
+    int id = notifySignalIndex();
+    if (id != -1)
+        return mobj->method(id); 
+    else
+        return QMetaMethod();
+}
+
+/*!
+    Returns the index of the property change notifying signal if one was 
+    specified, otherwise returns -1.
+
+    \sa hasNotifySignal()
+ */
+int QMetaProperty::notifySignalIndex() const
+{
+    if (hasNotifySignal()) {
+        int offset = priv(mobj->d.data)->propertyData +
+                     priv(mobj->d.data)->propertyCount * 3 + idx;
+        return mobj->d.data[offset] + mobj->methodOffset();
+    } else {
+        return -1;
+    }
+}
+
+/*!
+    Returns true if this property is writable; otherwise returns
+    false.
+
+    \sa isReadable(), write()
+ */
+bool QMetaProperty::isWritable() const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    return flags & Writable;
+}
+
+
+/*!
+    Returns true if this property is designable for the given \a object;
+    otherwise returns false.
+
+    If no \a object is given, the function returns false if the
+    \c{Q_PROPERTY()}'s \c DESIGNABLE attribute is false; otherwise
+    returns true (if the attribute is true or is a function or expression).
+
+    \sa isScriptable(), isStored()
+*/
+bool QMetaProperty::isDesignable(const QObject *object) const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    bool b = flags & Designable;
+    if (object) {
+        void *argv[] = { &b };
+        const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyDesignable,
+                                                  idx + mobj->propertyOffset(), argv);
+    }
+    return b;
+
+
+}
+
+/*!
+    Returns true if the property is scriptable for the given \a object;
+    otherwise returns false.
+
+    If no \a object is given, the function returns false if the
+    \c{Q_PROPERTY()}'s \c SCRIPTABLE attribute is false; otherwise returns
+    true (if the attribute is true or is a function or expression).
+
+    \sa isDesignable(), isStored()
+*/
+bool QMetaProperty::isScriptable(const QObject *object) const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    bool b = flags & Scriptable;
+    if (object) {
+        void *argv[] = { &b };
+        const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyScriptable,
+                                                  idx + mobj->propertyOffset(), argv);
+    }
+    return b;
+}
+
+/*!
+    Returns true if the property is stored for \a object; otherwise returns
+    false.
+
+    If no \a object is given, the function returns false if the
+    \c{Q_PROPERTY()}'s \c STORED attribute is false; otherwise returns
+    true (if the attribute is true or is a function or expression).
+
+    \sa isDesignable(), isScriptable()
+*/
+bool QMetaProperty::isStored(const QObject *object) const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    bool b = flags & Stored;
+    if (object) {
+        void *argv[] = { &b };
+        const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyStored,
+                                                  idx + mobj->propertyOffset(), argv);
+    }
+    return b;
+}
+
+/*!
+    Returns true if this property is designated as the \c USER
+    property, i.e., the one that the user can edit for \a object or
+    that is significant in some other way.  Otherwise it returns
+    false. e.g., the \c text property is the \c USER editable property
+    of a QLineEdit.
+
+    If \a object is null, the function returns false if the \c
+    {Q_PROPERTY()}'s \c USER attribute is false. Otherwise it returns
+    true.
+
+    \sa QMetaObject::userProperty(), isDesignable(), isScriptable()
+*/
+bool QMetaProperty::isUser(const QObject *object) const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    bool b = flags & User;
+    if (object) {
+        void *argv[] = { &b };
+        const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyUser,
+                                                  idx + mobj->propertyOffset(), argv);
+    }
+    return b;
+}
+
+/*!
+    \obsolete
+
+    Returns true if the property is editable for the given \a object;
+    otherwise returns false.
+
+    If no \a object is given, the function returns false if the
+    \c{Q_PROPERTY()}'s \c EDITABLE attribute is false; otherwise returns
+    true (if the attribute is true or is a function or expression).
+
+    \sa isDesignable(), isScriptable(), isStored()
+*/
+bool QMetaProperty::isEditable(const QObject *object) const
+{
+    if (!mobj)
+        return false;
+    int flags = mobj->d.data[handle + 2];
+    bool b = flags & Editable;
+    if (object) {
+        void *argv[] = { &b };
+        const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyEditable,
+                                                  idx + mobj->propertyOffset(), argv);
+    }
+    return b;
+}
+
+/*!
+    \class QMetaClassInfo
+
+    \brief The QMetaClassInfo class provides additional information
+    about a class.
+
+    \ingroup objectmodel
+
+    Class information items are simple \e{name}--\e{value} pairs that
+    are specified using Q_CLASSINFO() in the source code. The
+    information can be retrieved using name() and value(). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp 5
+
+    This mechanism is free for you to use in your Qt applications. Qt
+    doesn't use it for any of its classes.
+
+    \sa QMetaObject
+*/
+
+
+/*!
+    \fn QMetaClassInfo::QMetaClassInfo()
+    \internal
+*/
+
+/*!
+    \fn const QMetaObject *QMetaClassInfo::enclosingMetaObject() const
+    \internal
+*/
+
+/*!
+    Returns the name of this item.
+
+    \sa value()
+*/
+const char *QMetaClassInfo::name() const
+{
+    if (!mobj)
+        return 0;
+    return mobj->d.stringdata + mobj->d.data[handle];
+}
+
+/*!
+    Returns the value of this item.
+
+    \sa name()
+*/
+const char* QMetaClassInfo::value() const
+{
+    if (!mobj)
+        return 0;
+    return mobj->d.stringdata + mobj->d.data[handle + 1];
+}
+
+/*!
+    \macro QGenericArgument Q_ARG(Type, const Type &value)
+    \relates QMetaObject
+
+    This macro takes a \a Type and a \a value of that type and
+    returns a \l QGenericArgument object that can be passed to
+    QMetaObject::invokeMethod().
+
+    \sa Q_RETURN_ARG()
+*/
+
+/*!
+    \macro QGenericReturnArgument Q_RETURN_ARG(Type, Type &value)
+    \relates QMetaObject
+
+    This macro takes a \a Type and a non-const reference to a \a
+    value of that type and returns a QGenericReturnArgument object
+    that can be passed to QMetaObject::invokeMethod().
+
+    \sa Q_ARG()
+*/
+
+/*!
+    \class QGenericArgument
+
+    \brief The QGenericArgument class is an internal helper class for
+    marshalling arguments.
+
+    This class should never be used directly. Please use the \l Q_ARG()
+    macro instead.
+
+    \sa Q_ARG(), QMetaObject::invokeMethod(),  QGenericReturnArgument
+*/
+
+/*!
+    \fn QGenericArgument::QGenericArgument(const char *name, const void *data)
+
+    Constructs a QGenericArgument object with the given \a name and \a data.
+*/
+
+/*!
+    \fn QGenericArgument::data () const
+
+    Returns the data set in the constructor.
+*/
+
+/*!
+    \fn QGenericArgument::name () const
+
+    Returns the name set in the constructor.
+*/
+
+/*!
+    \class QGenericReturnArgument
+
+    \brief The QGenericReturnArgument class is an internal helper class for
+    marshalling arguments.
+
+    This class should never be used directly. Please use the
+    Q_RETURN_ARG() macro instead.
+
+    \sa Q_RETURN_ARG(), QMetaObject::invokeMethod(), QGenericArgument
+*/
+
+/*!
+    \fn QGenericReturnArgument::QGenericReturnArgument(const char *name, void *data)
+
+    Constructs a QGenericReturnArgument object with the given \a name
+    and \a data.
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qmetaobject.h b/src/corelib/kernel/qmetaobject.h
new file mode 100644
index 0000000000..18c488a242
--- /dev/null
+++ b/src/corelib/kernel/qmetaobject.h
@@ -0,0 +1,233 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMETAOBJECT_H
+#define QMETAOBJECT_H
+
+#include <QtCore/qobjectdefs.h>
+#include <QtCore/qvariant.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <typename T> class QList;
+
+class Q_CORE_EXPORT QMetaMethod
+{
+public:
+    inline QMetaMethod() : mobj(0),handle(0) {}
+
+    const char *signature() const;
+    const char *typeName() const;
+    QList<QByteArray> parameterTypes() const;
+    QList<QByteArray> parameterNames() const;
+    const char *tag() const;
+    enum Access { Private, Protected, Public };
+    Access access() const;
+    enum MethodType { Method, Signal, Slot, Constructor };
+    MethodType methodType() const;
+    enum Attributes { Compatibility = 0x1, Cloned = 0x2, Scriptable = 0x4 };
+    int attributes() const;
+
+    inline const QMetaObject *enclosingMetaObject() const { return mobj; }
+
+    bool invoke(QObject *object,
+                Qt::ConnectionType connectionType,
+                QGenericReturnArgument returnValue,
+                QGenericArgument val0 = QGenericArgument(0),
+                QGenericArgument val1 = QGenericArgument(),
+                QGenericArgument val2 = QGenericArgument(),
+                QGenericArgument val3 = QGenericArgument(),
+                QGenericArgument val4 = QGenericArgument(),
+                QGenericArgument val5 = QGenericArgument(),
+                QGenericArgument val6 = QGenericArgument(),
+                QGenericArgument val7 = QGenericArgument(),
+                QGenericArgument val8 = QGenericArgument(),
+                QGenericArgument val9 = QGenericArgument()) const;
+    inline bool invoke(QObject *object,
+                       QGenericReturnArgument returnValue,
+                       QGenericArgument val0 = QGenericArgument(0),
+                       QGenericArgument val1 = QGenericArgument(),
+                       QGenericArgument val2 = QGenericArgument(),
+                       QGenericArgument val3 = QGenericArgument(),
+                       QGenericArgument val4 = QGenericArgument(),
+                       QGenericArgument val5 = QGenericArgument(),
+                       QGenericArgument val6 = QGenericArgument(),
+                       QGenericArgument val7 = QGenericArgument(),
+                       QGenericArgument val8 = QGenericArgument(),
+                       QGenericArgument val9 = QGenericArgument()) const
+    {
+        return invoke(object, Qt::AutoConnection, returnValue,
+                      val0, val1, val2, val3, val4, val5, val6, val7, val8, val9);
+    }
+    inline bool invoke(QObject *object,
+                       Qt::ConnectionType connectionType,
+                       QGenericArgument val0 = QGenericArgument(0),
+                       QGenericArgument val1 = QGenericArgument(),
+                       QGenericArgument val2 = QGenericArgument(),
+                       QGenericArgument val3 = QGenericArgument(),
+                       QGenericArgument val4 = QGenericArgument(),
+                       QGenericArgument val5 = QGenericArgument(),
+                       QGenericArgument val6 = QGenericArgument(),
+                       QGenericArgument val7 = QGenericArgument(),
+                       QGenericArgument val8 = QGenericArgument(),
+                       QGenericArgument val9 = QGenericArgument()) const
+    {
+        return invoke(object, connectionType, QGenericReturnArgument(),
+                      val0, val1, val2, val3, val4, val5, val6, val7, val8, val9);
+    }
+    inline bool invoke(QObject *object,
+                       QGenericArgument val0 = QGenericArgument(0),
+                       QGenericArgument val1 = QGenericArgument(),
+                       QGenericArgument val2 = QGenericArgument(),
+                       QGenericArgument val3 = QGenericArgument(),
+                       QGenericArgument val4 = QGenericArgument(),
+                       QGenericArgument val5 = QGenericArgument(),
+                       QGenericArgument val6 = QGenericArgument(),
+                       QGenericArgument val7 = QGenericArgument(),
+                       QGenericArgument val8 = QGenericArgument(),
+                       QGenericArgument val9 = QGenericArgument()) const
+    {
+        return invoke(object, Qt::AutoConnection, QGenericReturnArgument(),
+                      val0, val1, val2, val3, val4, val5, val6, val7, val8, val9);
+    }
+
+private:
+    const QMetaObject *mobj;
+    uint handle;
+    friend struct QMetaObject;
+};
+Q_DECLARE_TYPEINFO(QMetaMethod, Q_MOVABLE_TYPE);
+
+class Q_CORE_EXPORT QMetaEnum
+{
+public:
+    inline QMetaEnum() : mobj(0),handle(0) {}
+
+    const char *name() const;
+    bool isFlag() const;
+
+    int keyCount() const;
+    const char *key(int index) const;
+    int value(int index) const;
+
+    const char *scope() const;
+
+    int keyToValue(const char *key) const;
+    const char* valueToKey(int value) const;
+    int keysToValue(const char * keys) const;
+    QByteArray valueToKeys(int value) const;
+
+    inline const QMetaObject *enclosingMetaObject() const { return mobj; }
+
+    inline bool isValid() const { return name() != 0; }
+private:
+    const QMetaObject *mobj;
+    uint handle;
+    friend struct QMetaObject;
+};
+Q_DECLARE_TYPEINFO(QMetaEnum, Q_MOVABLE_TYPE);
+
+class Q_CORE_EXPORT QMetaProperty
+{
+public:
+    QMetaProperty();
+
+    const char *name() const;
+    const char *typeName() const;
+    QVariant::Type type() const;
+    int userType() const;
+
+    bool isReadable() const;
+    bool isWritable() const;
+    bool isResettable() const;
+    bool isDesignable(const QObject *obj = 0) const;
+    bool isScriptable(const QObject *obj = 0) const;
+    bool isStored(const QObject *obj = 0) const;
+    bool isEditable(const QObject *obj = 0) const;
+    bool isUser(const QObject *obj = 0) const;
+
+    bool isFlagType() const;
+    bool isEnumType() const;
+    QMetaEnum enumerator() const;
+
+    bool hasNotifySignal() const;
+    QMetaMethod notifySignal() const;
+    int notifySignalIndex() const;
+
+    QVariant read(const QObject *obj) const;
+    bool write(QObject *obj, const QVariant &value) const;
+    bool reset(QObject *obj) const;
+
+    bool hasStdCppSet() const;
+    inline bool isValid() const { return isReadable(); }
+    inline const QMetaObject *enclosingMetaObject() const { return mobj; }
+
+private:
+    const QMetaObject *mobj;
+    uint handle;
+    int idx;
+    QMetaEnum menum;
+    friend struct QMetaObject;
+};
+
+class Q_CORE_EXPORT QMetaClassInfo
+{
+public:
+    inline QMetaClassInfo() : mobj(0),handle(0) {}
+    const char *name() const;
+    const char *value() const;
+    inline const QMetaObject *enclosingMetaObject() const { return mobj; }
+private:
+    const QMetaObject *mobj;
+    uint handle;
+    friend struct QMetaObject;
+};
+Q_DECLARE_TYPEINFO(QMetaClassInfo, Q_MOVABLE_TYPE);
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMETAOBJECT_H
diff --git a/src/corelib/kernel/qmetaobject_p.h b/src/corelib/kernel/qmetaobject_p.h
new file mode 100644
index 0000000000..2e0dbb2a30
--- /dev/null
+++ b/src/corelib/kernel/qmetaobject_p.h
@@ -0,0 +1,208 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMETAOBJECT_P_H
+#define QMETAOBJECT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of moc.  This header file may change from version to version without notice,
+// or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef UTILS_H
+// mirrored in moc's utils.h
+static inline bool is_ident_char(char s)
+{
+    return ((s >= 'a' && s <= 'z')
+            || (s >= 'A' && s <= 'Z')
+            || (s >= '0' && s <= '9')
+            || s == '_'
+       );
+}
+
+static inline bool is_space(char s)
+{
+    return (s == ' ' || s == '\t');
+}
+#endif
+
+// This code is shared with moc.cpp
+static QByteArray normalizeTypeInternal(const char *t, const char *e, bool fixScope = false, bool adjustConst = true)
+{
+    int len = e - t;
+    /*
+      Convert 'char const *' into 'const char *'. Start at index 1,
+      not 0, because 'const char *' is already OK.
+    */
+    QByteArray constbuf;
+    for (int i = 1; i < len; i++) {
+        if ( t[i] == 'c'
+             && strncmp(t + i + 1, "onst", 4) == 0
+             && (i + 5 >= len || !is_ident_char(t[i + 5]))
+             && !is_ident_char(t[i-1])
+             ) {
+            constbuf = QByteArray(t, len);
+            if (is_space(t[i-1]))
+                constbuf.remove(i-1, 6);
+            else
+                constbuf.remove(i, 5);
+            constbuf.prepend("const ");
+            t = constbuf.data();
+            e = constbuf.data() + constbuf.length();
+            break;
+        }
+        /*
+          We musn't convert 'char * const *' into 'const char **'
+          and we must beware of 'Bar<const Bla>'.
+        */
+        if (t[i] == '&' || t[i] == '*' ||t[i] == '<')
+            break;
+    }
+    if (adjustConst && e > t + 6 && strncmp("const ", t, 6) == 0) {
+        if (*(e-1) == '&') { // treat const reference as value
+            t += 6;
+            --e;
+        } else if (is_ident_char(*(e-1))) { // treat const value as value
+            t += 6;
+        }
+    }
+    QByteArray result;
+    result.reserve(len);
+
+#if 1
+    // consume initial 'const '
+    if (strncmp("const ", t, 6) == 0) {
+        t+= 6;
+        result += "const ";
+    }
+#endif
+
+    // some type substitutions for 'unsigned x'
+    if (strncmp("unsigned", t, 8) == 0) {
+        // make sure "unsigned" is an isolated word before making substitutions
+        if (!t[8] || !is_ident_char(t[8])) {
+            if (strncmp(" int", t+8, 4) == 0) {
+                t += 8+4;
+                result += "uint";
+            } else if (strncmp(" long", t+8, 5) == 0) {
+                if ((strlen(t + 8 + 5) < 4 || strncmp(t + 8 + 5, " int", 4) != 0) // preserve '[unsigned] long int'
+                    && (strlen(t + 8 + 5) < 5 || strncmp(t + 8 + 5, " long", 5) != 0) // preserve '[unsigned] long long'
+                   ) {
+                    t += 8+5;
+                    result += "ulong";
+                }
+            } else if (strncmp(" short", t+8, 6) != 0  // preserve unsigned short
+                && strncmp(" char", t+8, 5) != 0) {    // preserve unsigned char
+                //  treat rest (unsigned) as uint
+                t += 8;
+                result += "uint";
+            }
+        }
+    } else {
+        // discard 'struct', 'class', and 'enum'; they are optional
+        // and we don't want them in the normalized signature
+        struct {
+            const char *keyword;
+            int len;
+        } optional[] = {
+            { "struct ", 7 },
+            { "class ", 6 },
+            { "enum ", 5 },
+            { 0, 0 }
+        };
+        int i = 0;
+        do {
+            if (strncmp(optional[i].keyword, t, optional[i].len) == 0) {
+                t += optional[i].len;
+                break;
+            }
+        } while (optional[++i].keyword != 0);
+    }
+
+    while (t != e) {
+        char c = *t++;
+        if (fixScope && c == ':' && *t == ':' ) {
+            ++t;
+            c = *t++;
+            int i = result.size() - 1;
+            while (i >= 0 && is_ident_char(result.at(i)))
+                --i;
+            result.resize(i + 1);
+        }
+        result += c;
+        if (c == '<') {
+            //template recursion
+            const char* tt = t;
+            int templdepth = 1;
+            while (t != e) {
+                c = *t++;
+                if (c == '<')
+                    ++templdepth;
+                if (c == '>')
+                    --templdepth;
+                if (templdepth == 0) {
+                    result += normalizeTypeInternal(tt, t-1, fixScope, false);
+                    result += c;
+                    if (*t == '>')
+                        result += ' '; // avoid >>
+                    break;
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+QT_END_NAMESPACE
+
+#endif
+
diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp
new file mode 100644
index 0000000000..4d7d3094a8
--- /dev/null
+++ b/src/corelib/kernel/qmetatype.cpp
@@ -0,0 +1,1355 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmetatype.h"
+#include "qobjectdefs.h"
+#include "qdatetime.h"
+#include "qbytearray.h"
+#include "qreadwritelock.h"
+#include "qstring.h"
+#include "qstringlist.h"
+#include "qvector.h"
+#include "qlocale.h"
+
+#ifdef QT_BOOTSTRAPPED
+# ifndef QT_NO_GEOM_VARIANT
+#  define QT_NO_GEOM_VARIANT
+# endif
+#else
+#  include "qbitarray.h"
+#  include "qurl.h"
+#  include "qvariant.h"
+#endif
+
+#ifndef QT_NO_GEOM_VARIANT
+# include "qsize.h"
+# include "qpoint.h"
+# include "qrect.h"
+# include "qline.h"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#define NS(x) QT_PREPEND_NAMESPACE(x)
+
+/*!
+    \macro Q_DECLARE_METATYPE(Type)
+    \relates QMetaType
+
+    This macro makes the type \a Type known to QMetaType as long as it
+    provides a public default constructor, a public copy constructor and
+    a public destructor.
+    It is needed to use the type \a Type as a custom type in QVariant.
+
+    Ideally, this macro should be placed below the declaration of
+    the class or struct. If that is not possible, it can be put in
+    a private header file which has to be included every time that
+    type is used in a QVariant.
+
+    Adding a Q_DECLARE_METATYPE() makes the type known to all template
+    based functions, including QVariant. Note that if you intend to
+    use the type in \e queued signal and slot connections or in
+    QObject's property system, you also have to call
+    qRegisterMetaType() since the names are resolved at runtime.
+
+    This example shows a typical use case of Q_DECLARE_METATYPE():
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 0
+
+    If \c MyStruct is in a namespace, the Q_DECLARE_METATYPE() macro
+    has to be outside the namespace:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 1
+
+    Since \c{MyStruct} is now known to QMetaType, it can be used in QVariant:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 2
+
+    \sa qRegisterMetaType()
+*/
+
+/*!
+    \enum QMetaType::Type
+
+    These are the built-in types supported by QMetaType:
+
+    \value Void \c void
+    \value Bool \c bool
+    \value Int \c int
+    \value UInt \c{unsigned int}
+    \value Double \c double
+    \value QChar QChar
+    \value QString QString
+    \value QByteArray QByteArray
+
+    \value VoidStar \c{void *}
+    \value Long \c{long}
+    \value LongLong LongLong
+    \value Short \c{short}
+    \value Char \c{char}
+    \value ULong \c{unsigned long}
+    \value ULongLong ULongLong
+    \value UShort \c{unsigned short}
+    \value UChar \c{unsigned char}
+    \value Float \c float
+    \value QObjectStar QObject *
+    \value QWidgetStar QWidget *
+
+    \value QColorGroup QColorGroup
+    \value QCursor QCursor
+    \value QDate QDate
+    \value QSize QSize
+    \value QTime QTime
+    \value QVariantList QVariantList
+    \value QPolygon QPolygon
+    \value QColor QColor
+    \value QSizeF QSizeF
+    \value QRectF QRectF
+    \value QLine QLine
+    \value QTextLength QTextLength
+    \value QStringList QStringList
+    \value QVariantMap QVariantMap
+    \value QVariantHash QVariantHash
+    \value QIcon QIcon
+    \value QPen QPen
+    \value QLineF QLineF
+    \value QTextFormat QTextFormat
+    \value QRect QRect
+    \value QPoint QPoint
+    \value QUrl QUrl
+    \value QRegExp QRegExp
+    \value QDateTime QDateTime
+    \value QPointF QPointF
+    \value QPalette QPalette
+    \value QFont QFont
+    \value QBrush QBrush
+    \value QRegion QRegion
+    \value QBitArray QBitArray
+    \value QImage QImage
+    \value QKeySequence QKeySequence
+    \value QSizePolicy QSizePolicy
+    \value QPixmap QPixmap
+    \value QLocale QLocale
+    \value QBitmap QBitmap
+    \value QMatrix QMatrix
+    \value QTransform QTransform
+
+    \value User  Base value for user types
+
+    \omitvalue FirstCoreExtType
+    \omitvalue FirstGuiType
+    \omitvalue LastCoreExtType
+    \omitvalue LastCoreType
+    \omitvalue LastGuiType
+
+    Additional types can be registered using Q_DECLARE_METATYPE().
+
+    \sa type(), typeName()
+*/
+
+/*!
+    \class QMetaType
+    \brief The QMetaType class manages named types in the meta-object system.
+
+    \ingroup objectmodel
+    \threadsafe
+
+    The class is used as a helper to marshall types in QVariant and
+    in queued signals and slots connections. It associates a type
+    name to a type so that it can be created and destructed
+    dynamically at run-time. Declare new types with Q_DECLARE_METATYPE()
+    to make them available to QVariant and other template-based functions.
+    Call qRegisterMetaType() to make type available to non-template based
+    functions, such as the queued signal and slot connections.
+
+    Any class or struct that has a public default
+    constructor, a public copy constructor, and a public destructor
+    can be registered.
+
+    The following code allocates and destructs an instance of
+    \c{MyClass}:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 3
+
+    If we want the stream operators \c operator<<() and \c
+    operator>>() to work on QVariant objects that store custom types,
+    the custom type must provide \c operator<<() and \c operator>>()
+    operators.
+
+    \sa Q_DECLARE_METATYPE(), QVariant::setValue(), QVariant::value(), QVariant::fromValue()
+*/
+
+/* Note: these MUST be in the order of the enums */
+static const struct { const char * typeName; int type; } types[] = {
+
+    /* All Core types */
+    {"void", QMetaType::Void},
+    {"bool", QMetaType::Bool},
+    {"int", QMetaType::Int},
+    {"uint", QMetaType::UInt},
+    {"qlonglong", QMetaType::LongLong},
+    {"qulonglong", QMetaType::ULongLong},
+    {"double", QMetaType::Double},
+    {"QChar", QMetaType::QChar},
+    {"QVariantMap", QMetaType::QVariantMap},
+    {"QVariantList", QMetaType::QVariantList},
+    {"QString", QMetaType::QString},
+    {"QStringList", QMetaType::QStringList},
+    {"QByteArray", QMetaType::QByteArray},
+    {"QBitArray", QMetaType::QBitArray},
+    {"QDate", QMetaType::QDate},
+    {"QTime", QMetaType::QTime},
+    {"QDateTime", QMetaType::QDateTime},
+    {"QUrl", QMetaType::QUrl},
+    {"QLocale", QMetaType::QLocale},
+    {"QRect", QMetaType::QRect},
+    {"QRectF", QMetaType::QRectF},
+    {"QSize", QMetaType::QSize},
+    {"QSizeF", QMetaType::QSizeF},
+    {"QLine", QMetaType::QLine},
+    {"QLineF", QMetaType::QLineF},
+    {"QPoint", QMetaType::QPoint},
+    {"QPointF", QMetaType::QPointF},
+    {"QRegExp", QMetaType::QRegExp},
+    {"QVariantHash", QMetaType::QVariantHash},
+
+    /* All GUI types */
+    {"QColorGroup", 63},
+    {"QFont", QMetaType::QFont},
+    {"QPixmap", QMetaType::QPixmap},
+    {"QBrush", QMetaType::QBrush},
+    {"QColor", QMetaType::QColor},
+    {"QPalette", QMetaType::QPalette},
+    {"QIcon", QMetaType::QIcon},
+    {"QImage", QMetaType::QImage},
+    {"QPolygon", QMetaType::QPolygon},
+    {"QRegion", QMetaType::QRegion},
+    {"QBitmap", QMetaType::QBitmap},
+    {"QCursor", QMetaType::QCursor},
+    {"QSizePolicy", QMetaType::QSizePolicy},
+    {"QKeySequence", QMetaType::QKeySequence},
+    {"QPen", QMetaType::QPen},
+    {"QTextLength", QMetaType::QTextLength},
+    {"QTextFormat", QMetaType::QTextFormat},
+    {"QMatrix", QMetaType::QMatrix},
+    {"QTransform", QMetaType::QTransform},
+
+    /* All Metatype builtins */
+    {"void*", QMetaType::VoidStar},
+    {"long", QMetaType::Long},
+    {"short", QMetaType::Short},
+    {"char", QMetaType::Char},
+    {"ulong", QMetaType::ULong},
+    {"ushort", QMetaType::UShort},
+    {"uchar", QMetaType::UChar},
+    {"float", QMetaType::Float},
+    {"QObject*", QMetaType::QObjectStar},
+    {"QWidget*", QMetaType::QWidgetStar},
+
+    /* Type aliases - order doesn't matter */
+    {"unsigned long", QMetaType::ULong},
+    {"unsigned int", QMetaType::UInt},
+    {"unsigned short", QMetaType::UShort},
+    {"unsigned char", QMetaType::UChar},
+    {"long long", QMetaType::LongLong},
+    {"unsigned long long", QMetaType::ULongLong},
+    {"qint8", QMetaType::Char},
+    {"quint8", QMetaType::UChar},
+    {"qint16", QMetaType::Short},
+    {"quint16", QMetaType::UShort},
+    {"qint32", QMetaType::Int},
+    {"quint32", QMetaType::UInt},
+    {"qint64", QMetaType::LongLong},
+    {"quint64", QMetaType::ULongLong},
+    {"QList<QVariant>", QMetaType::QVariantList},
+    {"QMap<QString,QVariant>", QMetaType::QVariantMap},
+    {"QHash<QString,QVariant>", QMetaType::QVariantHash},
+    // let QMetaTypeId2 figure out the type at compile time
+    {"qreal", QMetaTypeId2<qreal>::MetaType},
+
+    {0, QMetaType::Void}
+};
+
+struct QMetaTypeGuiHelper
+{
+    QMetaType::Constructor constr;
+    QMetaType::Destructor destr;
+#ifndef QT_NO_DATASTREAM
+    QMetaType::SaveOperator saveOp;
+    QMetaType::LoadOperator loadOp;
+#endif
+};
+Q_CORE_EXPORT const QMetaTypeGuiHelper *qMetaTypeGuiHelper = 0;
+
+class QCustomTypeInfo
+{
+public:
+    QCustomTypeInfo() : typeName(), constr(0), destr(0)
+#ifndef QT_NO_DATASTREAM
+    , saveOp(0), loadOp(0)
+#endif
+    {}
+
+    QByteArray typeName;
+    QMetaType::Constructor constr;
+    QMetaType::Destructor destr;
+#ifndef QT_NO_DATASTREAM
+    QMetaType::SaveOperator saveOp;
+    QMetaType::LoadOperator loadOp;
+#endif
+};
+
+Q_DECLARE_TYPEINFO(QCustomTypeInfo, Q_MOVABLE_TYPE);
+Q_GLOBAL_STATIC(QVector<QCustomTypeInfo>, customTypes)
+Q_GLOBAL_STATIC(QReadWriteLock, customTypesLock)
+
+#ifndef QT_NO_DATASTREAM
+/*! \internal
+*/
+void QMetaType::registerStreamOperators(const char *typeName, SaveOperator saveOp,
+                                        LoadOperator loadOp)
+{
+    int idx = type(typeName);
+    if (!idx)
+        return;
+
+    QVector<QCustomTypeInfo> *ct = customTypes();
+    if (!ct)
+        return;
+    QWriteLocker locker(customTypesLock());
+    QCustomTypeInfo &inf = (*ct)[idx - User];
+    inf.saveOp = saveOp;
+    inf.loadOp = loadOp;
+}
+#endif
+
+/*!
+    Returns the type name associated with the given \a type, or 0 if no
+    matching type was found. The returned pointer must not be deleted.
+
+    \sa type(), isRegistered(), Type
+*/
+const char *QMetaType::typeName(int type)
+{
+    enum { GuiTypeCount = LastGuiType - FirstGuiType };
+
+    if (type >= 0 && type <= LastCoreType) {
+        return types[type].typeName;
+    } else if (type >= FirstGuiType && type <= LastGuiType) {
+        return types[type - FirstGuiType + LastCoreType + 1].typeName;
+    } else if (type >= FirstCoreExtType && type <= LastCoreExtType) {
+        return types[type - FirstCoreExtType + GuiTypeCount + LastCoreType + 2].typeName;
+    } else if (type >= User) {
+        const QVector<QCustomTypeInfo> * const ct = customTypes();
+        QReadLocker locker(customTypesLock());
+        return ct && ct->count() > type - User && !ct->at(type - User).typeName.isEmpty()
+                ? ct->at(type - User).typeName.constData()
+                : static_cast<const char *>(0);
+    }
+
+    return 0;
+}
+
+/*! \internal
+    Same as QMetaType::type(), but doesn't lock the mutex.
+*/
+static int qMetaTypeType_unlocked(const QByteArray &typeName)
+{
+    int i = 0;
+    while (types[i].typeName && strcmp(typeName.constData(), types[i].typeName))
+        ++i;
+    if (!types[i].type) {
+        const QVector<QCustomTypeInfo> * const ct = customTypes();
+        if (!ct)
+            return 0;
+
+        for (int v = 0; v < ct->count(); ++v) {
+            if (ct->at(v).typeName == typeName)
+                return v + QMetaType::User;
+        }
+    }
+    return types[i].type;
+}
+
+/*! \internal
+
+    Registers a user type for marshalling, with \a typeName, a \a
+    destructor, and a \a constructor. Returns the type's handle,
+    or -1 if the type could not be registered.
+ */
+int QMetaType::registerType(const char *typeName, Destructor destructor,
+                            Constructor constructor)
+{
+    QVector<QCustomTypeInfo> *ct = customTypes();
+    if (!ct || !typeName || !destructor || !constructor)
+        return -1;
+
+#ifdef QT_NO_QOBJECT
+    NS(QByteArray) normalizedTypeName = typeName;
+#else
+    NS(QByteArray) normalizedTypeName = QMetaObject::normalizedType(typeName);
+#endif
+
+    QWriteLocker locker(customTypesLock());
+    static int currentIdx = User;
+    int idx = qMetaTypeType_unlocked(normalizedTypeName);
+
+    if (!idx) {
+        idx = currentIdx++;
+        ct->resize(ct->count() + 1);
+        QCustomTypeInfo &inf = (*ct)[idx - User];
+        inf.typeName = normalizedTypeName;
+        inf.constr = constructor;
+        inf.destr = destructor;
+    }
+    return idx;
+}
+
+/*!
+    \since 4.4
+
+    Unregisters a user type, with \a typeName.
+
+    \sa type(), typeName()
+ */
+void QMetaType::unregisterType(const char *typeName)
+{
+    QVector<QCustomTypeInfo> *ct = customTypes();
+    if (!ct || !typeName)
+        return;
+
+#ifdef QT_NO_QOBJECT
+    NS(QByteArray) normalizedTypeName = typeName;
+#else
+    NS(QByteArray) normalizedTypeName = QMetaObject::normalizedType(typeName);
+#endif
+    QWriteLocker locker(customTypesLock());
+    for (int v = 0; v < ct->count(); ++v) {
+        if (ct->at(v).typeName == typeName) {
+            QCustomTypeInfo &inf = (*ct)[v];
+            inf.typeName.clear();
+            inf.constr = 0;
+            inf.destr = 0;
+        }
+    }
+}
+
+/*!
+    Returns true if the datatype with ID \a type is registered;
+    otherwise returns false.
+
+    \sa type(), typeName(), Type
+*/
+bool QMetaType::isRegistered(int type)
+{
+    if (type >= 0 && type < User) {
+        // predefined type
+        return true;
+    }
+    QReadLocker locker(customTypesLock());
+    const QVector<QCustomTypeInfo> * const ct = customTypes();
+    return ((type >= User) && (ct && ct->count() > type - User) && !ct->at(type - User).typeName.isEmpty());
+}
+
+/*!
+    Returns a handle to the type called \a typeName, or 0 if there is
+    no such type.
+
+    \sa isRegistered(), typeName(), Type
+*/
+int QMetaType::type(const char *typeName)
+{
+#ifdef QT_NO_QOBJECT
+    const NS(QByteArray) normalizedTypeName = typeName;
+#else
+    const NS(QByteArray) normalizedTypeName = QMetaObject::normalizedType(typeName);
+#endif
+
+    QReadLocker locker(customTypesLock());
+    return qMetaTypeType_unlocked(normalizedTypeName);
+}
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    Writes the object pointed to by \a data with the ID \a type to
+    the given \a stream. Returns true if the object is saved
+    successfully; otherwise returns false.
+
+    The type must have been registered with qRegisterMetaType() and
+    qRegisterMetaTypeStreamOperators() beforehand.
+
+    Normally, you should not need to call this function directly.
+    Instead, use QVariant's \c operator<<(), which relies on save()
+    to stream custom types.
+
+    \sa load(), qRegisterMetaTypeStreamOperators()
+*/
+bool QMetaType::save(QDataStream &stream, int type, const void *data)
+{
+    if (!data || !isRegistered(type))
+        return false;
+
+    switch(type) {
+    case QMetaType::Void:
+    case QMetaType::VoidStar:
+    case QMetaType::QObjectStar:
+    case QMetaType::QWidgetStar:
+        return false;
+    case QMetaType::Long:
+        stream << qlonglong(*static_cast<const long *>(data));
+        break;
+    case QMetaType::Int:
+        stream << *static_cast<const int *>(data);
+        break;
+    case QMetaType::Short:
+        stream << *static_cast<const short *>(data);
+        break;
+    case QMetaType::Char:
+        // force a char to be signed
+        stream << *static_cast<const signed char *>(data);
+        break;
+    case QMetaType::ULong:
+        stream << qulonglong(*static_cast<const ulong *>(data));
+        break;
+    case QMetaType::UInt:
+        stream << *static_cast<const uint *>(data);
+        break;
+    case QMetaType::LongLong:
+        stream << *static_cast<const qlonglong *>(data);
+        break;
+    case QMetaType::ULongLong:
+        stream << *static_cast<const qulonglong *>(data);
+        break;
+    case QMetaType::UShort:
+        stream << *static_cast<const ushort *>(data);
+        break;
+    case QMetaType::UChar:
+        stream << *static_cast<const uchar *>(data);
+        break;
+    case QMetaType::Bool:
+        stream << qint8(*static_cast<const bool *>(data));
+        break;
+    case QMetaType::Float:
+        stream << *static_cast<const float *>(data);
+        break;
+    case QMetaType::Double:
+        stream << *static_cast<const double *>(data);
+        break;
+    case QMetaType::QChar:
+        stream << *static_cast<const NS(QChar) *>(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QVariantMap:
+        stream << *static_cast<const NS(QVariantMap)*>(data);
+        break;
+    case QMetaType::QVariantHash:
+        stream << *static_cast<const NS(QVariantHash)*>(data);
+        break;
+    case QMetaType::QVariantList:
+        stream << *static_cast<const NS(QVariantList)*>(data);
+        break;
+#endif
+    case QMetaType::QByteArray:
+        stream << *static_cast<const NS(QByteArray)*>(data);
+        break;
+    case QMetaType::QString:
+        stream << *static_cast<const NS(QString)*>(data);
+        break;
+    case QMetaType::QStringList:
+        stream << *static_cast<const NS(QStringList)*>(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QBitArray:
+        stream << *static_cast<const NS(QBitArray)*>(data);
+        break;
+#endif
+    case QMetaType::QDate:
+        stream << *static_cast<const NS(QDate)*>(data);
+        break;
+    case QMetaType::QTime:
+        stream << *static_cast<const NS(QTime)*>(data);
+        break;
+    case QMetaType::QDateTime:
+        stream << *static_cast<const NS(QDateTime)*>(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QUrl:
+        stream << *static_cast<const NS(QUrl)*>(data);
+        break;
+#endif
+    case QMetaType::QLocale:
+        stream << *static_cast<const NS(QLocale)*>(data);
+        break;
+#ifndef QT_NO_GEOM_VARIANT
+    case QMetaType::QRect:
+        stream << *static_cast<const NS(QRect)*>(data);
+        break;
+    case QMetaType::QRectF:
+        stream << *static_cast<const NS(QRectF)*>(data);
+        break;
+    case QMetaType::QSize:
+        stream << *static_cast<const NS(QSize)*>(data);
+        break;
+    case QMetaType::QSizeF:
+        stream << *static_cast<const NS(QSizeF)*>(data);
+        break;
+    case QMetaType::QLine:
+        stream << *static_cast<const NS(QLine)*>(data);
+        break;
+    case QMetaType::QLineF:
+        stream << *static_cast<const NS(QLineF)*>(data);
+        break;
+    case QMetaType::QPoint:
+        stream << *static_cast<const NS(QPoint)*>(data);
+        break;
+    case QMetaType::QPointF:
+        stream << *static_cast<const NS(QPointF)*>(data);
+        break;
+#endif
+#ifndef QT_NO_REGEXP
+    case QMetaType::QRegExp:
+        stream << *static_cast<const NS(QRegExp)*>(data);
+        break;
+#endif
+#ifdef QT3_SUPPORT
+    case QMetaType::QColorGroup:
+#endif
+    case QMetaType::QFont:
+    case QMetaType::QPixmap:
+    case QMetaType::QBrush:
+    case QMetaType::QColor:
+    case QMetaType::QPalette:
+    case QMetaType::QIcon:
+    case QMetaType::QImage:
+    case QMetaType::QPolygon:
+    case QMetaType::QRegion:
+    case QMetaType::QBitmap:
+    case QMetaType::QCursor:
+    case QMetaType::QSizePolicy:
+    case QMetaType::QKeySequence:
+    case QMetaType::QPen:
+    case QMetaType::QTextLength:
+    case QMetaType::QTextFormat:
+    case QMetaType::QMatrix:
+    case QMetaType::QTransform:
+        if (!qMetaTypeGuiHelper)
+            return false;
+        qMetaTypeGuiHelper[type - FirstGuiType].saveOp(stream, data);
+        break;
+    default: {
+        const QVector<QCustomTypeInfo> * const ct = customTypes();
+        if (!ct)
+            return false;
+
+        SaveOperator saveOp = 0;
+        {
+            QReadLocker locker(customTypesLock());
+            saveOp = ct->at(type - User).saveOp;
+        }
+
+        if (!saveOp)
+            return false;
+        saveOp(stream, data);
+        break; }
+    }
+
+    return true;
+}
+
+/*!
+    Reads the object of the specified \a type from the given \a
+    stream into \a data. Returns true if the object is loaded
+    successfully; otherwise returns false.
+
+    The type must have been registered with qRegisterMetaType() and
+    qRegisterMetaTypeStreamOperators() beforehand.
+
+    Normally, you should not need to call this function directly.
+    Instead, use QVariant's \c operator>>(), which relies on load()
+    to stream custom types.
+
+    \sa save(), qRegisterMetaTypeStreamOperators()
+*/
+bool QMetaType::load(QDataStream &stream, int type, void *data)
+{
+    if (!data || !isRegistered(type))
+        return false;
+
+    switch(type) {
+    case QMetaType::Void:
+    case QMetaType::VoidStar:
+    case QMetaType::QObjectStar:
+    case QMetaType::QWidgetStar:
+        return false;
+    case QMetaType::Long: {
+        qlonglong l;
+        stream >> l;
+        *static_cast<long *>(data) = long(l);
+        break; }
+    case QMetaType::Int:
+        stream >> *static_cast<int *>(data);
+        break;
+    case QMetaType::Short:
+        stream >> *static_cast<short *>(data);
+        break;
+    case QMetaType::Char:
+        // force a char to be signed
+        stream >> *static_cast<signed char *>(data);
+        break;
+    case QMetaType::ULong: {
+        qulonglong ul;
+        stream >> ul;
+        *static_cast<ulong *>(data) = ulong(ul);
+        break; }
+    case QMetaType::UInt:
+        stream >> *static_cast<uint *>(data);
+        break;
+    case QMetaType::LongLong:
+        stream >> *static_cast<qlonglong *>(data);
+        break;
+    case QMetaType::ULongLong:
+        stream >> *static_cast<qulonglong *>(data);
+        break;
+    case QMetaType::UShort:
+        stream >> *static_cast<ushort *>(data);
+        break;
+    case QMetaType::UChar:
+        stream >> *static_cast<uchar *>(data);
+        break;
+    case QMetaType::Bool: {
+        qint8 b;
+        stream >> b;
+        *static_cast<bool *>(data) = b;
+        break; }
+    case QMetaType::Float:
+        stream >> *static_cast<float *>(data);
+        break;
+    case QMetaType::Double:
+        stream >> *static_cast<double *>(data);
+        break;
+    case QMetaType::QChar:
+        stream >> *static_cast< NS(QChar)*>(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QVariantMap:
+        stream >> *static_cast< NS(QVariantMap)*>(data);
+        break;
+    case QMetaType::QVariantHash:
+        stream >> *static_cast< NS(QVariantHash)*>(data);
+        break;
+    case QMetaType::QVariantList:
+        stream >> *static_cast< NS(QVariantList)*>(data);
+        break;
+#endif
+    case QMetaType::QByteArray:
+        stream >> *static_cast< NS(QByteArray)*>(data);
+        break;
+    case QMetaType::QString:
+        stream >> *static_cast< NS(QString)*>(data);
+        break;
+    case QMetaType::QStringList:
+        stream >> *static_cast< NS(QStringList)*>(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QBitArray:
+        stream >> *static_cast< NS(QBitArray)*>(data);
+        break;
+#endif
+    case QMetaType::QDate:
+        stream >> *static_cast< NS(QDate)*>(data);
+        break;
+    case QMetaType::QTime:
+        stream >> *static_cast< NS(QTime)*>(data);
+        break;
+    case QMetaType::QDateTime:
+        stream >> *static_cast< NS(QDateTime)*>(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QUrl:
+        stream >> *static_cast< NS(QUrl)*>(data);
+        break;
+#endif
+    case QMetaType::QLocale:
+        stream >> *static_cast< NS(QLocale)*>(data);
+        break;
+#ifndef QT_NO_GEOM_VARIANT
+    case QMetaType::QRect:
+        stream >> *static_cast< NS(QRect)*>(data);
+        break;
+    case QMetaType::QRectF:
+        stream >> *static_cast< NS(QRectF)*>(data);
+        break;
+    case QMetaType::QSize:
+        stream >> *static_cast< NS(QSize)*>(data);
+        break;
+    case QMetaType::QSizeF:
+        stream >> *static_cast< NS(QSizeF)*>(data);
+        break;
+    case QMetaType::QLine:
+        stream >> *static_cast< NS(QLine)*>(data);
+        break;
+    case QMetaType::QLineF:
+        stream >> *static_cast< NS(QLineF)*>(data);
+        break;
+    case QMetaType::QPoint:
+        stream >> *static_cast< NS(QPoint)*>(data);
+        break;
+    case QMetaType::QPointF:
+        stream >> *static_cast< NS(QPointF)*>(data);
+        break;
+#endif
+#ifndef QT_NO_REGEXP
+    case QMetaType::QRegExp:
+        stream >> *static_cast< NS(QRegExp)*>(data);
+        break;
+#endif
+#ifdef QT3_SUPPORT
+    case QMetaType::QColorGroup:
+#endif
+    case QMetaType::QFont:
+    case QMetaType::QPixmap:
+    case QMetaType::QBrush:
+    case QMetaType::QColor:
+    case QMetaType::QPalette:
+    case QMetaType::QIcon:
+    case QMetaType::QImage:
+    case QMetaType::QPolygon:
+    case QMetaType::QRegion:
+    case QMetaType::QBitmap:
+    case QMetaType::QCursor:
+    case QMetaType::QSizePolicy:
+    case QMetaType::QKeySequence:
+    case QMetaType::QPen:
+    case QMetaType::QTextLength:
+    case QMetaType::QTextFormat:
+    case QMetaType::QMatrix:
+    case QMetaType::QTransform:
+        if (!qMetaTypeGuiHelper)
+            return false;
+        qMetaTypeGuiHelper[type - FirstGuiType].loadOp(stream, data);
+        break;
+    default: {
+        const QVector<QCustomTypeInfo> * const ct = customTypes();
+        if (!ct)
+            return false;
+
+        LoadOperator loadOp = 0;
+        {
+            QReadLocker locker(customTypesLock());
+            loadOp = ct->at(type - User).loadOp;
+        }
+
+        if (!loadOp)
+            return false;
+        loadOp(stream, data);
+        break; }
+    }
+    return true;
+}
+#endif
+
+/*!
+    Returns a copy of \a copy, assuming it is of type \a type. If \a
+    copy is zero, creates a default type.
+
+    \sa destroy(), isRegistered(), Type
+*/
+void *QMetaType::construct(int type, const void *copy)
+{
+    if (copy) {
+        switch(type) {
+        case QMetaType::VoidStar:
+        case QMetaType::QObjectStar:
+        case QMetaType::QWidgetStar:
+            return new void *(*static_cast<void* const *>(copy));
+        case QMetaType::Long:
+            return new long(*static_cast<const long*>(copy));
+        case QMetaType::Int:
+            return new int(*static_cast<const int*>(copy));
+        case QMetaType::Short:
+            return new short(*static_cast<const short*>(copy));
+        case QMetaType::Char:
+            return new char(*static_cast<const char*>(copy));
+        case QMetaType::ULong:
+            return new ulong(*static_cast<const ulong*>(copy));
+        case QMetaType::UInt:
+            return new uint(*static_cast<const uint*>(copy));
+        case QMetaType::LongLong:
+            return new qlonglong(*static_cast<const qlonglong*>(copy));
+        case QMetaType::ULongLong:
+            return new qulonglong(*static_cast<const qulonglong*>(copy));
+        case QMetaType::UShort:
+            return new ushort(*static_cast<const ushort*>(copy));
+        case QMetaType::UChar:
+            return new uchar(*static_cast<const uchar*>(copy));
+        case QMetaType::Bool:
+            return new bool(*static_cast<const bool*>(copy));
+        case QMetaType::Float:
+            return new float(*static_cast<const float*>(copy));
+        case QMetaType::Double:
+            return new double(*static_cast<const double*>(copy));
+        case QMetaType::QChar:
+            return new NS(QChar)(*static_cast<const NS(QChar)*>(copy));
+#ifndef QT_BOOTSTRAPPED
+        case QMetaType::QVariantMap:
+            return new NS(QVariantMap)(*static_cast<const NS(QVariantMap)*>(copy));
+        case QMetaType::QVariantHash:
+            return new NS(QVariantHash)(*static_cast<const NS(QVariantHash)*>(copy));
+        case QMetaType::QVariantList:
+            return new NS(QVariantList)(*static_cast<const NS(QVariantList)*>(copy));
+#endif
+        case QMetaType::QByteArray:
+            return new NS(QByteArray)(*static_cast<const NS(QByteArray)*>(copy));
+        case QMetaType::QString:
+            return new NS(QString)(*static_cast<const NS(QString)*>(copy));
+        case QMetaType::QStringList:
+            return new NS(QStringList)(*static_cast<const NS(QStringList)*>(copy));
+#ifndef QT_BOOTSTRAPPED
+        case QMetaType::QBitArray:
+            return new NS(QBitArray)(*static_cast<const NS(QBitArray)*>(copy));
+#endif
+        case QMetaType::QDate:
+            return new NS(QDate)(*static_cast<const NS(QDate)*>(copy));
+        case QMetaType::QTime:
+            return new NS(QTime)(*static_cast<const NS(QTime)*>(copy));
+        case QMetaType::QDateTime:
+            return new NS(QDateTime)(*static_cast<const NS(QDateTime)*>(copy));
+#ifndef QT_BOOTSTRAPPED
+        case QMetaType::QUrl:
+            return new NS(QUrl)(*static_cast<const NS(QUrl)*>(copy));
+#endif
+        case QMetaType::QLocale:
+            return new NS(QLocale)(*static_cast<const NS(QLocale)*>(copy));
+#ifndef QT_NO_GEOM_VARIANT
+        case QMetaType::QRect:
+            return new NS(QRect)(*static_cast<const NS(QRect)*>(copy));
+        case QMetaType::QRectF:
+            return new NS(QRectF)(*static_cast<const NS(QRectF)*>(copy));
+        case QMetaType::QSize:
+            return new NS(QSize)(*static_cast<const NS(QSize)*>(copy));
+        case QMetaType::QSizeF:
+            return new NS(QSizeF)(*static_cast<const NS(QSizeF)*>(copy));
+        case QMetaType::QLine:
+            return new NS(QLine)(*static_cast<const NS(QLine)*>(copy));
+        case QMetaType::QLineF:
+            return new NS(QLineF)(*static_cast<const NS(QLineF)*>(copy));
+        case QMetaType::QPoint:
+            return new NS(QPoint)(*static_cast<const NS(QPoint)*>(copy));
+        case QMetaType::QPointF:
+            return new NS(QPointF)(*static_cast<const NS(QPointF)*>(copy));
+#endif
+#ifndef QT_NO_REGEXP
+        case QMetaType::QRegExp:
+            return new NS(QRegExp)(*static_cast<const NS(QRegExp)*>(copy));
+#endif
+        case QMetaType::Void:
+            return 0;
+        default:
+            ;
+        }
+    } else {
+        switch(type) {
+        case QMetaType::VoidStar:
+        case QMetaType::QObjectStar:
+        case QMetaType::QWidgetStar:
+            return new void *;
+        case QMetaType::Long:
+            return new long;
+        case QMetaType::Int:
+            return new int;
+        case QMetaType::Short:
+            return new short;
+        case QMetaType::Char:
+            return new char;
+        case QMetaType::ULong:
+            return new ulong;
+        case QMetaType::UInt:
+            return new uint;
+        case QMetaType::LongLong:
+            return new qlonglong;
+        case QMetaType::ULongLong:
+            return new qulonglong;
+        case QMetaType::UShort:
+            return new ushort;
+        case QMetaType::UChar:
+            return new uchar;
+        case QMetaType::Bool:
+            return new bool;
+        case QMetaType::Float:
+            return new float;
+        case QMetaType::Double:
+            return new double;
+        case QMetaType::QChar:
+            return new NS(QChar);
+#ifndef QT_BOOTSTRAPPED
+        case QMetaType::QVariantMap:
+            return new NS(QVariantMap);
+        case QMetaType::QVariantHash:
+            return new NS(QVariantHash);
+        case QMetaType::QVariantList:
+            return new NS(QVariantList);
+#endif
+        case QMetaType::QByteArray:
+            return new NS(QByteArray);
+        case QMetaType::QString:
+            return new NS(QString);
+        case QMetaType::QStringList:
+            return new NS(QStringList);
+#ifndef QT_BOOTSTRAPPED
+        case QMetaType::QBitArray:
+            return new NS(QBitArray);
+#endif
+        case QMetaType::QDate:
+            return new NS(QDate);
+        case QMetaType::QTime:
+            return new NS(QTime);
+        case QMetaType::QDateTime:
+            return new NS(QDateTime);
+#ifndef QT_BOOTSTRAPPED
+        case QMetaType::QUrl:
+            return new NS(QUrl);
+#endif
+        case QMetaType::QLocale:
+            return new NS(QLocale);
+#ifndef QT_NO_GEOM_VARIANT
+        case QMetaType::QRect:
+            return new NS(QRect);
+        case QMetaType::QRectF:
+            return new NS(QRectF);
+        case QMetaType::QSize:
+            return new NS(QSize);
+        case QMetaType::QSizeF:
+            return new NS(QSizeF);
+        case QMetaType::QLine:
+            return new NS(QLine);
+        case QMetaType::QLineF:
+            return new NS(QLineF);
+        case QMetaType::QPoint:
+            return new NS(QPoint);
+        case QMetaType::QPointF:
+            return new NS(QPointF);
+#endif
+#ifndef QT_NO_REGEXP
+        case QMetaType::QRegExp:
+            return new NS(QRegExp);
+#endif
+        case QMetaType::Void:
+            return 0;
+        default:
+            ;
+        }
+    }
+
+    Constructor constr = 0;
+    if (type >= FirstGuiType && type <= LastGuiType) {
+        if (!qMetaTypeGuiHelper)
+            return 0;
+        constr = qMetaTypeGuiHelper[type - FirstGuiType].constr;
+    } else {
+        const QVector<QCustomTypeInfo> * const ct = customTypes();
+        QReadLocker locker(customTypesLock());
+        if (type < User || !ct || ct->count() <= type - User)
+            return 0;
+        if (ct->at(type - User).typeName.isEmpty())
+            return 0;
+        constr = ct->at(type - User).constr;
+    }
+
+    return constr(copy);
+}
+
+/*!
+    Destroys the \a data, assuming it is of the \a type given.
+
+    \sa construct(), isRegistered(), Type
+*/
+void QMetaType::destroy(int type, void *data)
+{
+    if (!data)
+        return;
+    switch(type) {
+    case QMetaType::VoidStar:
+    case QMetaType::QObjectStar:
+    case QMetaType::QWidgetStar:
+        delete static_cast<void**>(data);
+        break;
+    case QMetaType::Long:
+        delete static_cast<long*>(data);
+        break;
+    case QMetaType::Int:
+        delete static_cast<int*>(data);
+        break;
+    case QMetaType::Short:
+        delete static_cast<short*>(data);
+        break;
+    case QMetaType::Char:
+        delete static_cast<char*>(data);
+        break;
+    case QMetaType::ULong:
+        delete static_cast<ulong*>(data);
+        break;
+    case QMetaType::LongLong:
+        delete static_cast<qlonglong*>(data);
+        break;
+    case QMetaType::ULongLong:
+        delete static_cast<qulonglong*>(data);
+        break;
+    case QMetaType::UInt:
+        delete static_cast<uint*>(data);
+        break;
+    case QMetaType::UShort:
+        delete static_cast<ushort*>(data);
+        break;
+    case QMetaType::UChar:
+        delete static_cast<uchar*>(data);
+        break;
+    case QMetaType::Bool:
+        delete static_cast<bool*>(data);
+        break;
+    case QMetaType::Float:
+        delete static_cast<float*>(data);
+        break;
+    case QMetaType::Double:
+        delete static_cast<double*>(data);
+        break;
+    case QMetaType::QChar:
+        delete static_cast< NS(QChar)* >(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QVariantMap:
+        delete static_cast< NS(QVariantMap)* >(data);
+        break;
+    case QMetaType::QVariantHash:
+        delete static_cast< NS(QVariantHash)* >(data);
+        break;
+    case QMetaType::QVariantList:
+        delete static_cast< NS(QVariantList)* >(data);
+        break;
+#endif
+    case QMetaType::QByteArray:
+        delete static_cast< NS(QByteArray)* >(data);
+        break;
+    case QMetaType::QString:
+        delete static_cast< NS(QString)* >(data);
+        break;
+    case QMetaType::QStringList:
+        delete static_cast< NS(QStringList)* >(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QBitArray:
+        delete static_cast< NS(QBitArray)* >(data);
+        break;
+#endif
+    case QMetaType::QDate:
+        delete static_cast< NS(QDate)* >(data);
+        break;
+    case QMetaType::QTime:
+        delete static_cast< NS(QTime)* >(data);
+        break;
+    case QMetaType::QDateTime:
+        delete static_cast< NS(QDateTime)* >(data);
+        break;
+#ifndef QT_BOOTSTRAPPED
+    case QMetaType::QUrl:
+        delete static_cast< NS(QUrl)* >(data);
+#endif
+        break;
+    case QMetaType::QLocale:
+        delete static_cast< NS(QLocale)* >(data);
+        break;
+#ifndef QT_NO_GEOM_VARIANT
+    case QMetaType::QRect:
+        delete static_cast< NS(QRect)* >(data);
+        break;
+    case QMetaType::QRectF:
+        delete static_cast< NS(QRectF)* >(data);
+        break;
+    case QMetaType::QSize:
+        delete static_cast< NS(QSize)* >(data);
+        break;
+    case QMetaType::QSizeF:
+        delete static_cast< NS(QSizeF)* >(data);
+        break;
+    case QMetaType::QLine:
+        delete static_cast< NS(QLine)* >(data);
+        break;
+    case QMetaType::QLineF:
+        delete static_cast< NS(QLineF)* >(data);
+        break;
+    case QMetaType::QPoint:
+        delete static_cast< NS(QPoint)* >(data);
+        break;
+    case QMetaType::QPointF:
+        delete static_cast< NS(QPointF)* >(data);
+        break;
+#endif
+#ifndef QT_NO_REGEXP
+    case QMetaType::QRegExp:
+        delete static_cast< NS(QRegExp)* >(data);
+        break;
+#endif
+    case QMetaType::Void:
+        break;
+    default: {
+        const QVector<QCustomTypeInfo> * const ct = customTypes();
+        Destructor destr = 0;
+        if (type >= FirstGuiType && type <= LastGuiType) {
+            Q_ASSERT(qMetaTypeGuiHelper);
+
+            if (!qMetaTypeGuiHelper)
+                return;
+            destr = qMetaTypeGuiHelper[type - FirstGuiType].destr;
+        } else {
+            QReadLocker locker(customTypesLock());
+            if (type < User || !ct || ct->count() <= type - User)
+                break;
+            if (ct->at(type - User).typeName.isEmpty())
+                break;
+            destr = ct->at(type - User).destr;
+        }
+        destr(data);
+        break; }
+    }
+}
+
+/*!
+    \fn int qRegisterMetaType(const char *typeName)
+    \relates QMetaType
+    \threadsafe
+
+    Registers the type name \a typeName to the type \c{T}. Returns
+    the internal ID used by QMetaType. Any class or struct that has a
+    public default constructor, a public copy constructor and a public
+    destructor can be registered.
+
+    After a type has been registered, you can create and destroy
+    objects of that type dynamically at run-time.
+
+    This example registers the class \c{MyClass}:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 4
+
+    \sa qRegisterMetaTypeStreamOperators(), QMetaType::isRegistered(),
+        Q_DECLARE_METATYPE()
+*/
+
+/*!
+    \fn int qRegisterMetaTypeStreamOperators(const char *typeName)
+    \relates QMetaType
+    \threadsafe
+
+    Registers the stream operators for the type \c{T} called \a
+    typeName.
+
+    Afterward, the type can be streamed using QMetaType::load() and
+    QMetaType::save(). These functions are used when streaming a
+    QVariant.
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 5
+
+    The stream operators should have the following signatures:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 6
+
+    \sa qRegisterMetaType(), QMetaType::isRegistered(), Q_DECLARE_METATYPE()
+*/
+
+/*! \typedef QMetaType::Destructor
+    \internal
+*/
+/*! \typedef QMetaType::Constructor
+    \internal
+*/
+/*! \typedef QMetaType::SaveOperator
+    \internal
+*/
+/*! \typedef QMetaType::LoadOperator
+    \internal
+*/
+
+/*!
+    \fn int qRegisterMetaType()
+    \relates QMetaType
+    \threadsafe
+    \since 4.2
+
+    Call this function to register the type \c T. \c T must be declared with
+    Q_DECLARE_METATYPE(). Returns the meta type Id.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 7
+
+    To use the type \c T in QVariant, using Q_DECLARE_METATYPE() is
+    sufficient. To use the type \c T in queued signal and slot connections,
+    \c{qRegisterMetaType<T>()} must be called before the first connection
+    is established.
+
+    Also, to use type \c T with the QObject::property() API,
+    \c{qRegisterMetaType<T>()} must be called before it is used, typically
+    in the constructor of the class that uses \c T, or in the \c{main()}
+    function.
+
+    \sa Q_DECLARE_METATYPE()
+ */
+
+/*! \fn int qMetaTypeId()
+    \relates QMetaType
+    \threadsafe
+    \since 4.1
+
+    Returns the meta type id of type \c T at compile time. If the
+    type was not declared with Q_DECLARE_METATYPE(), compilation will
+    fail.
+
+    Typical usage:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp 8
+
+    QMetaType::type() returns the same ID as qMetaTypeId(), but does
+    a lookup at runtime based on the name of the type.
+    QMetaType::type() is a bit slower, but compilation succeeds if a
+    type is not registered.
+
+    \sa Q_DECLARE_METATYPE(), QMetaType::type()
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h
new file mode 100644
index 0000000000..648f933425
--- /dev/null
+++ b/src/corelib/kernel/qmetatype.h
@@ -0,0 +1,351 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMETATYPE_H
+#define QMETATYPE_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qatomic.h>
+
+#ifndef QT_NO_DATASTREAM
+#include <QtCore/qdatastream.h>
+#endif
+
+#ifdef Bool
+#error qmetatype.h must be included before any header file that defines Bool
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QMetaType {
+public:
+    enum Type {
+        // these are merged with QVariant
+        Void = 0, Bool = 1, Int = 2, UInt = 3, LongLong = 4, ULongLong = 5,
+        Double = 6, QChar = 7, QVariantMap = 8, QVariantList = 9,
+        QString = 10, QStringList = 11, QByteArray = 12,
+        QBitArray = 13, QDate = 14, QTime = 15, QDateTime = 16, QUrl = 17,
+        QLocale = 18, QRect = 19, QRectF = 20, QSize = 21, QSizeF = 22,
+        QLine = 23, QLineF = 24, QPoint = 25, QPointF = 26, QRegExp = 27,
+        QVariantHash = 28, LastCoreType = 28 /* QVariantHash */,
+
+        FirstGuiType = 63 /* QColorGroup */,
+#ifdef QT3_SUPPORT
+        QColorGroup = 63,
+#endif
+        QFont = 64, QPixmap = 65, QBrush = 66, QColor = 67, QPalette = 68,
+        QIcon = 69, QImage = 70, QPolygon = 71, QRegion = 72, QBitmap = 73,
+        QCursor = 74, QSizePolicy = 75, QKeySequence = 76, QPen = 77,
+        QTextLength = 78, QTextFormat = 79, QMatrix = 80, QTransform = 81,
+        LastGuiType = 81 /* QTransform */,
+
+        FirstCoreExtType = 128 /* VoidStar */,
+        VoidStar = 128, Long = 129, Short = 130, Char = 131, ULong = 132,
+        UShort = 133, UChar = 134, Float = 135, QObjectStar = 136, QWidgetStar = 137,
+        LastCoreExtType = 137 /* QWidgetStar */,
+
+        User = 256
+    };
+
+    typedef void (*Destructor)(void *);
+    typedef void *(*Constructor)(const void *);
+
+#ifndef QT_NO_DATASTREAM
+    typedef void (*SaveOperator)(QDataStream &, const void *);
+    typedef void (*LoadOperator)(QDataStream &, void *);
+    static void registerStreamOperators(const char *typeName, SaveOperator saveOp,
+                                        LoadOperator loadOp);
+#endif
+    static int registerType(const char *typeName, Destructor destructor,
+                            Constructor constructor);
+    static int type(const char *typeName);
+    static const char *typeName(int type);
+    static bool isRegistered(int type);
+    static void *construct(int type, const void *copy = 0);
+    static void destroy(int type, void *data);
+    static void unregisterType(const char *typeName);
+
+#ifndef QT_NO_DATASTREAM
+    static bool save(QDataStream &stream, int type, const void *data);
+    static bool load(QDataStream &stream, int type, void *data);
+#endif
+};
+
+template <typename T>
+void qMetaTypeDeleteHelper(T *t)
+{
+    delete t;
+}
+
+template <typename T>
+void *qMetaTypeConstructHelper(const T *t)
+{
+    if (!t)
+        return new T;
+    return new T(*static_cast<const T*>(t));
+}
+
+#ifndef QT_NO_DATASTREAM
+template <typename T>
+void qMetaTypeSaveHelper(QDataStream &stream, const T *t)
+{
+    stream << *t;
+}
+
+template <typename T>
+void qMetaTypeLoadHelper(QDataStream &stream, T *t)
+{
+    stream >> *t;
+}
+#endif // QT_NO_DATASTREAM
+
+template <typename T>
+int qRegisterMetaType(const char *typeName
+#ifndef qdoc
+    , T * /* dummy */ = 0
+#endif
+)
+{
+    typedef void*(*ConstructPtr)(const T*);
+    ConstructPtr cptr = qMetaTypeConstructHelper<T>;
+    typedef void(*DeletePtr)(T*);
+    DeletePtr dptr = qMetaTypeDeleteHelper<T>;
+
+    return QMetaType::registerType(typeName, reinterpret_cast<QMetaType::Destructor>(dptr),
+                                   reinterpret_cast<QMetaType::Constructor>(cptr));
+}
+
+#ifndef QT_NO_DATASTREAM
+template <typename T>
+void qRegisterMetaTypeStreamOperators(const char *typeName
+#ifndef qdoc
+    , T * /* dummy */ = 0
+#endif
+)
+{
+    typedef void(*SavePtr)(QDataStream &, const T *);
+    typedef void(*LoadPtr)(QDataStream &, T *);
+    SavePtr sptr = qMetaTypeSaveHelper<T>;
+    LoadPtr lptr = qMetaTypeLoadHelper<T>;
+
+    qRegisterMetaType<T>(typeName);
+    QMetaType::registerStreamOperators(typeName, reinterpret_cast<QMetaType::SaveOperator>(sptr),
+                                       reinterpret_cast<QMetaType::LoadOperator>(lptr));
+}
+#endif
+
+template <typename T>
+struct QMetaTypeId
+{
+    enum { Defined = 0 };
+};
+
+template <typename T>
+struct QMetaTypeId2
+{
+    enum { Defined = QMetaTypeId<T>::Defined };
+    static inline int qt_metatype_id() { return QMetaTypeId<T>::qt_metatype_id(); }
+};
+
+template <typename T>
+inline int qMetaTypeId(
+#ifndef qdoc
+    T * /* dummy */ = 0
+#endif
+)
+{
+    return QMetaTypeId2<T>::qt_metatype_id();
+}
+
+template <typename T>
+inline int qRegisterMetaType(
+#if !defined(qdoc) && !defined(Q_CC_SUN)
+    T * dummy = 0
+#endif
+)
+{
+#ifdef Q_CC_SUN
+    return qMetaTypeId(static_cast<T *>(0));
+#else
+    return qMetaTypeId(dummy);
+#endif
+}
+
+#define Q_DECLARE_METATYPE(TYPE)                                        \
+    QT_BEGIN_NAMESPACE                                                  \
+    template <>                                                         \
+    struct QMetaTypeId< TYPE >                                          \
+    {                                                                   \
+        enum { Defined = 1 };                                           \
+        static int qt_metatype_id()                                     \
+            {                                                           \
+                static QBasicAtomicInt metatype_id = Q_BASIC_ATOMIC_INITIALIZER(0); \
+                if (!metatype_id)                                       \
+                    metatype_id = qRegisterMetaType< TYPE >(#TYPE);     \
+                return metatype_id;                                     \
+            }                                                           \
+    };                                                                  \
+    QT_END_NAMESPACE
+
+#define Q_DECLARE_BUILTIN_METATYPE(TYPE, NAME) \
+    QT_BEGIN_NAMESPACE \
+    template<> struct QMetaTypeId2<TYPE> \
+    { \
+        enum { Defined = 1, MetaType = QMetaType::NAME }; \
+        static inline int qt_metatype_id() { return QMetaType::NAME; } \
+    }; \
+    QT_END_NAMESPACE
+
+class QString;
+class QByteArray;
+class QChar;
+class QStringList;
+class QBitArray;
+class QDate;
+class QTime;
+class QDateTime;
+class QUrl;
+class QLocale;
+class QRect;
+class QRectF;
+class QSize;
+class QSizeF;
+class QLine;
+class QLineF;
+class QPoint;
+class QPointF;
+#ifndef QT_NO_REGEXP
+class QRegExp;
+#endif
+class QWidget;
+class QObject;
+
+#ifdef QT3_SUPPORT
+class QColorGroup;
+#endif
+class QFont;
+class QPixmap;
+class QBrush;
+class QColor;
+class QPalette;
+class QIcon;
+class QImage;
+class QPolygon;
+class QRegion;
+class QBitmap;
+class QCursor;
+class QSizePolicy;
+class QKeySequence;
+class QPen;
+class QTextLength;
+class QTextFormat;
+class QMatrix;
+class QTransform;
+
+QT_END_NAMESPACE
+
+Q_DECLARE_BUILTIN_METATYPE(QString, QString)
+Q_DECLARE_BUILTIN_METATYPE(int, Int)
+Q_DECLARE_BUILTIN_METATYPE(uint, UInt)
+Q_DECLARE_BUILTIN_METATYPE(bool, Bool)
+Q_DECLARE_BUILTIN_METATYPE(double, Double)
+Q_DECLARE_BUILTIN_METATYPE(QByteArray, QByteArray)
+Q_DECLARE_BUILTIN_METATYPE(QChar, QChar)
+Q_DECLARE_BUILTIN_METATYPE(long, Long)
+Q_DECLARE_BUILTIN_METATYPE(short, Short)
+Q_DECLARE_BUILTIN_METATYPE(char, Char)
+Q_DECLARE_BUILTIN_METATYPE(ulong, ULong)
+Q_DECLARE_BUILTIN_METATYPE(ushort, UShort)
+Q_DECLARE_BUILTIN_METATYPE(uchar, UChar)
+Q_DECLARE_BUILTIN_METATYPE(float, Float)
+Q_DECLARE_BUILTIN_METATYPE(QObject *, QObjectStar)
+Q_DECLARE_BUILTIN_METATYPE(QWidget *, QWidgetStar)
+Q_DECLARE_BUILTIN_METATYPE(void *, VoidStar)
+Q_DECLARE_BUILTIN_METATYPE(qlonglong, LongLong)
+Q_DECLARE_BUILTIN_METATYPE(qulonglong, ULongLong)
+Q_DECLARE_BUILTIN_METATYPE(QStringList, QStringList)
+Q_DECLARE_BUILTIN_METATYPE(QBitArray, QBitArray)
+Q_DECLARE_BUILTIN_METATYPE(QDate, QDate)
+Q_DECLARE_BUILTIN_METATYPE(QTime, QTime)
+Q_DECLARE_BUILTIN_METATYPE(QDateTime, QDateTime)
+Q_DECLARE_BUILTIN_METATYPE(QUrl, QUrl)
+Q_DECLARE_BUILTIN_METATYPE(QLocale, QLocale)
+Q_DECLARE_BUILTIN_METATYPE(QRect, QRect)
+Q_DECLARE_BUILTIN_METATYPE(QRectF, QRectF)
+Q_DECLARE_BUILTIN_METATYPE(QSize, QSize)
+Q_DECLARE_BUILTIN_METATYPE(QSizeF, QSizeF)
+Q_DECLARE_BUILTIN_METATYPE(QLine, QLine)
+Q_DECLARE_BUILTIN_METATYPE(QLineF, QLineF)
+Q_DECLARE_BUILTIN_METATYPE(QPoint, QPoint)
+Q_DECLARE_BUILTIN_METATYPE(QPointF, QPointF)
+#ifndef QT_NO_REGEXP
+Q_DECLARE_BUILTIN_METATYPE(QRegExp, QRegExp)
+#endif
+
+#ifdef QT3_SUPPORT
+Q_DECLARE_BUILTIN_METATYPE(QColorGroup, QColorGroup)
+#endif
+Q_DECLARE_BUILTIN_METATYPE(QFont, QFont)
+Q_DECLARE_BUILTIN_METATYPE(QPixmap, QPixmap)
+Q_DECLARE_BUILTIN_METATYPE(QBrush, QBrush)
+Q_DECLARE_BUILTIN_METATYPE(QColor, QColor)
+Q_DECLARE_BUILTIN_METATYPE(QPalette, QPalette)
+Q_DECLARE_BUILTIN_METATYPE(QIcon, QIcon)
+Q_DECLARE_BUILTIN_METATYPE(QImage, QImage)
+Q_DECLARE_BUILTIN_METATYPE(QPolygon, QPolygon)
+Q_DECLARE_BUILTIN_METATYPE(QRegion, QRegion)
+Q_DECLARE_BUILTIN_METATYPE(QBitmap, QBitmap)
+Q_DECLARE_BUILTIN_METATYPE(QCursor, QCursor)
+Q_DECLARE_BUILTIN_METATYPE(QSizePolicy, QSizePolicy)
+Q_DECLARE_BUILTIN_METATYPE(QKeySequence, QKeySequence)
+Q_DECLARE_BUILTIN_METATYPE(QPen, QPen)
+Q_DECLARE_BUILTIN_METATYPE(QTextLength, QTextLength)
+Q_DECLARE_BUILTIN_METATYPE(QTextFormat, QTextFormat)
+Q_DECLARE_BUILTIN_METATYPE(QMatrix, QMatrix)
+Q_DECLARE_BUILTIN_METATYPE(QTransform, QTransform)
+
+QT_END_HEADER
+
+#endif // QMETATYPE_H
diff --git a/src/corelib/kernel/qmimedata.cpp b/src/corelib/kernel/qmimedata.cpp
new file mode 100644
index 0000000000..f1c8e53fd0
--- /dev/null
+++ b/src/corelib/kernel/qmimedata.cpp
@@ -0,0 +1,627 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmimedata.h"
+
+#include "private/qobject_p.h"
+#include "qurl.h"
+#include "qstringlist.h"
+#include "qtextcodec.h"
+
+QT_BEGIN_NAMESPACE
+
+struct QMimeDataStruct
+{
+    QString format;
+    QVariant data;
+};
+
+class QMimeDataPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QMimeData)
+public:
+    void removeData(const QString &format);
+    void setData(const QString &format, const QVariant &data);
+    QVariant getData(const QString &format) const;
+
+    QVariant retrieveTypedData(const QString &format, QVariant::Type type) const;
+
+    QList<QMimeDataStruct> dataList;
+};
+
+void QMimeDataPrivate::removeData(const QString &format)
+{
+    for (int i=0; i<dataList.size(); i++) {
+        if (dataList.at(i).format == format) {
+            dataList.removeAt(i);
+            return;
+        }
+    }
+}
+
+void QMimeDataPrivate::setData(const QString &format, const QVariant &data)
+{
+    // remove it first if the format is already here.
+    removeData(format);
+    QMimeDataStruct mimeData;
+    mimeData.format = format;
+    mimeData.data = data;
+    dataList += mimeData;
+}
+
+
+QVariant QMimeDataPrivate::getData(const QString &format) const
+{
+    QVariant data;
+    for (int i=0; i<dataList.size(); i++) {
+        if (dataList.at(i).format == format) {
+            data = dataList.at(i).data;
+            break;
+        }
+    }
+    return data;
+}
+
+QVariant QMimeDataPrivate::retrieveTypedData(const QString &format, QVariant::Type type) const
+{
+    Q_Q(const QMimeData);
+
+    QVariant data = q->retrieveData(format, type);
+    if (data.type() == type || data.type() == QVariant::Invalid)
+        return data;
+
+    // provide more conversion possiblities than just what QVariant provides
+
+    // URLs can be lists as well...
+    if ((type == QVariant::Url && data.type() == QVariant::List)
+        || (type == QVariant::List && data.type() == QVariant::Url))
+        return data;
+
+    // images and pixmaps are interchangeable
+    if ((type == QVariant::Pixmap && data.type() == QVariant::Image)
+        || (type == QVariant::Image && data.type() == QVariant::Pixmap))
+        return data;
+
+    if (data.type() == QVariant::ByteArray) {
+        // see if we can convert to the requested type
+        switch(type) {
+#ifndef QT_NO_TEXTCODEC
+        case QVariant::String: {
+            const QByteArray ba = data.toByteArray();
+            QTextCodec *codec = QTextCodec::codecForName("utf-8");
+            if (format == QLatin1String("text/html"))
+                codec = QTextCodec::codecForHtml(ba, codec);
+            return codec->toUnicode(ba);
+        }
+#endif // QT_NO_TEXTCODEC
+        case QVariant::Color: {
+            QVariant newData = data;
+            newData.convert(QVariant::Color);
+            return newData;
+        }
+        case QVariant::List: {
+            if (format != QLatin1String("text/uri-list"))
+                break;
+            // fall through
+        }
+        case QVariant::Url: {
+            QByteArray ba = data.toByteArray();
+            // Qt 3.x will send text/uri-list with a trailing
+            // null-terminator (that is *not* sent for any other
+            // text/* mime-type), so chop it off
+            if (ba.endsWith('\0'))
+                ba.chop(1);
+
+            QList<QByteArray> urls = ba.split('\n');
+            QList<QVariant> list;
+            for (int i = 0; i < urls.size(); ++i) {
+                QByteArray ba = urls.at(i).trimmed();
+                if (!ba.isEmpty())
+                    list.append(QUrl::fromEncoded(ba));
+            }
+            return list;
+        }
+        default:
+            break;
+        }
+
+    } else if (type == QVariant::ByteArray) {
+
+        // try to convert to bytearray
+        switch(data.type()) {
+        case QVariant::ByteArray:
+        case QVariant::Color:
+            return data.toByteArray();
+            break;
+        case QVariant::String:
+            return data.toString().toUtf8();
+            break;
+        case QVariant::Url:
+            return data.toUrl().toEncoded();
+            break;
+        case QVariant::List: {
+            // has to be list of URLs
+            QByteArray result;
+            QList<QVariant> list = data.toList();
+            for (int i = 0; i < list.size(); ++i) {
+                if (list.at(i).type() == QVariant::Url) {
+                    result += list.at(i).toUrl().toEncoded();
+                    result += "\r\n";
+                }
+            }
+            if (!result.isEmpty())
+                return result;
+            break;
+        }
+        default:
+            break;
+        }
+    }
+    return data;
+}
+
+/*!
+    \class QMimeData
+    \brief The QMimeData class provides a container for data that records information
+    about its MIME type.
+
+    QMimeData is used to describe information that can be stored in
+    the \l{QClipboard}{clipboard}, and transferred via the \l{drag
+    and drop} mechanism. QMimeData objects associate the data that
+    they hold with the corresponding MIME types to ensure that
+    information can be safely transferred between applications, and
+    copied around within the same application.
+
+    QMimeData objects are usually created using \c new and supplied
+    to QDrag or QClipboard objects. This is to enable Qt to manage
+    the memory that they use.
+
+    A single QMimeData object can store the same data using several
+    different formats at the same time. The formats() function
+    returns a list of the available formats in order of preference.
+    The data() function returns the raw data associated with a MIME
+    type, and setData() allows you to set the data for a MIME type.
+
+    For the most common MIME types, QMimeData provides convenience
+    functions to access the data:
+
+    \table
+    \header \o Tester       \o Getter       \o Setter           \o MIME Types
+    \row    \o hasText()    \o text()       \o setText()        \o \c text/plain
+    \row    \o hasHtml()    \o html()       \o setHtml()        \o \c text/html
+    \row    \o hasUrls()    \o urls()       \o setUrls()        \o \c text/uri-list
+    \row    \o hasImage()   \o imageData()  \o setImageData()   \o \c image/ *
+    \row    \o hasColor()   \o colorData()  \o setColorData()   \o \c application/x-color
+    \endtable
+
+    For example, if your write a widget that accepts URL drags, you
+    would end up writing code like this:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmimedata.cpp 0
+
+    There are three approaches for storing custom data in a QMimeData
+    object:
+
+    \list 1
+    \o  Custom data can be stored directly in a QMimeData object as a
+        QByteArray using setData(). For example:
+
+        \snippet doc/src/snippets/code/src_corelib_kernel_qmimedata.cpp 1
+
+    \o  We can subclass QMimeData and reimplement hasFormat(),
+        formats(), and retrieveData().
+
+    \o  If the drag and drop operation occurs withing a single
+        application, we can subclass QMimeData and add extra data in
+        it, and use a qobject_cast() in the receiver's drop event
+        handler. For example:
+
+        \snippet doc/src/snippets/code/src_corelib_kernel_qmimedata.cpp 2
+    \endlist
+
+    \section1 Platform-Specific MIME Types
+
+    On Windows, formats() will also return custom formats available
+    in the MIME data, using the \c{x-qt-windows-mime} subtype to
+    indicate that they represent data in non-standard formats.
+    The formats will take the following form:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmimedata.cpp 3
+
+    The following are examples of custom MIME types:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmimedata.cpp 4
+
+    The \c value declaration of each format describes the way in which the
+    data is encoded.
+
+    On Windows, the MIME format does not always map directly to the
+    clipboard formats. Qt provides QWindowsMime to map clipboard
+    formats to open-standard MIME formats. Similarly, the
+    QMacPasteboardMime maps MIME to Mac flavors.
+
+    \sa QClipboard, QDragEnterEvent, QDragMoveEvent, QDropEvent, QDrag,
+        QWindowsMime, QMacPasteboardMime, {Drag and Drop}
+*/
+
+/*!
+    Constructs a new MIME data object with no data in it.
+*/
+QMimeData::QMimeData()
+    : QObject(*new QMimeDataPrivate, 0)
+{
+}
+
+/*!
+    Destroys the MIME data object.
+*/
+QMimeData::~QMimeData()
+{
+}
+
+/*!
+    Returns a list of URLs contained within the MIME data object.
+
+    URLs correspond to the MIME type \c text/uri-list.
+
+    \sa hasUrls(), data()
+*/
+QList<QUrl> QMimeData::urls() const
+{
+    Q_D(const QMimeData);
+    QVariant data = d->retrieveTypedData(QLatin1String("text/uri-list"), QVariant::List);
+    QList<QUrl> urls;
+    if (data.type() == QVariant::Url)
+        urls.append(data.toUrl());
+    else if (data.type() == QVariant::List) {
+        QList<QVariant> list = data.toList();
+        for (int i = 0; i < list.size(); ++i) {
+            if (list.at(i).type() == QVariant::Url)
+                urls.append(list.at(i).toUrl());
+        }
+    }
+    return urls;
+}
+
+/*!
+    Sets the URLs stored in the MIME data object to those specified by \a urls.
+
+    URLs correspond to the MIME type \c text/uri-list.
+
+    \sa hasUrls(), setData()
+*/
+void QMimeData::setUrls(const QList<QUrl> &urls)
+{
+    Q_D(QMimeData);
+    QList<QVariant> list;
+    for (int i = 0; i < urls.size(); ++i)
+        list.append(urls.at(i));
+
+    d->setData(QLatin1String("text/uri-list"), list);
+}
+
+/*!
+    Returns true if the object can return a list of urls; otherwise
+    returns false.
+
+    URLs correspond to the MIME type \c text/uri-list.
+
+    \sa setUrls(), urls(), hasFormat()
+*/
+bool QMimeData::hasUrls() const
+{
+    return hasFormat(QLatin1String("text/uri-list"));
+}
+
+
+/*!
+    Returns a plain text (MIME type \c text/plain) representation of
+    the data.
+
+    \sa hasText(), html(), data()
+*/
+QString QMimeData::text() const
+{
+    Q_D(const QMimeData);
+    QVariant data = d->retrieveTypedData(QLatin1String("text/plain"), QVariant::String);
+    return data.toString();
+}
+
+/*!
+    Sets \a text as the plain text (MIME type \c text/plain) used to
+    represent the data.
+
+    \sa hasText(), setHtml(), setData()
+*/
+void QMimeData::setText(const QString &text)
+{
+    Q_D(QMimeData);
+    d->setData(QLatin1String("text/plain"), text);
+}
+
+/*!
+    Returns true if the object can return plain text (MIME type \c
+    text/plain); otherwise returns false.
+
+    \sa setText(), text(), hasHtml(), hasFormat()
+*/
+bool QMimeData::hasText() const
+{
+    return hasFormat(QLatin1String("text/plain"));
+}
+
+/*!
+    Returns a string if the data stored in the object is HTML (MIME
+    type \c text/html); otherwise returns an empty string.
+
+    \sa hasHtml(), setData()
+*/
+QString QMimeData::html() const
+{
+    Q_D(const QMimeData);
+    QVariant data = d->retrieveTypedData(QLatin1String("text/html"), QVariant::String);
+    return data.toString();
+}
+
+/*!
+    Sets \a html as the HTML (MIME type \c text/html) used to
+    represent the data.
+
+    \sa hasHtml(), setText(), setData()
+*/
+void QMimeData::setHtml(const QString &html)
+{
+    Q_D(QMimeData);
+    d->setData(QLatin1String("text/html"), html);
+}
+
+/*!
+    Returns true if the object can return HTML (MIME type \c
+    text/html); otherwise returns false.
+
+    \sa setHtml(), html(), hasFormat()
+*/
+bool QMimeData::hasHtml() const
+{
+    return hasFormat(QLatin1String("text/html"));
+}
+
+/*!
+    Returns a QVariant storing a QImage if the object can return an
+    image; otherwise returns a null variant.
+
+    A QVariant is used because QMimeData belongs to the \l QtCore
+    library, whereas QImage belongs to \l QtGui. To convert the
+    QVariant to a QImage, simply use qvariant_cast(). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmimedata.cpp 5
+
+    \sa hasImage()
+*/
+QVariant QMimeData::imageData() const
+{
+    Q_D(const QMimeData);
+    return d->retrieveTypedData(QLatin1String("application/x-qt-image"), QVariant::Image);
+}
+
+/*!
+    Sets the data in the object to the given \a image.
+
+    A QVariant is used because QMimeData belongs to the \l QtCore
+    library, whereas QImage belongs to \l QtGui. The conversion
+    from QImage to QVariant is implicit. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmimedata.cpp 6
+
+    \sa hasImage(), setData()
+*/
+void QMimeData::setImageData(const QVariant &image)
+{
+    Q_D(QMimeData);
+    d->setData(QLatin1String("application/x-qt-image"), image);
+}
+
+/*!
+    Returns true if the object can return an image; otherwise returns
+    false.
+
+    \sa setImageData(), imageData(), hasFormat()
+*/
+bool QMimeData::hasImage() const
+{
+    return hasFormat(QLatin1String("application/x-qt-image"));
+}
+
+/*!
+    Returns a color if the data stored in the object represents a
+    color (MIME type \c application/x-color); otherwise returns a
+    null variant.
+
+    A QVariant is used because QMimeData belongs to the \l QtCore
+    library, whereas QColor belongs to \l QtGui. To convert the
+    QVariant to a QColor, simply use qvariant_cast(). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qmimedata.cpp 7
+
+    \sa hasColor(), setColorData(), data()
+*/
+QVariant QMimeData::colorData() const
+{
+    Q_D(const QMimeData);
+    return d->retrieveTypedData(QLatin1String("application/x-color"), QVariant::Color);
+}
+
+/*!
+    Sets the color data in the object to the given \a color.
+
+    Colors correspond to the MIME type \c application/x-color.
+
+    \sa hasColor(), setData()
+*/
+void QMimeData::setColorData(const QVariant &color)
+{
+    Q_D(QMimeData);
+    d->setData(QLatin1String("application/x-color"), color);
+}
+
+
+/*!
+    Returns true if the object can return a color (MIME type \c
+    application/x-color); otherwise returns false.
+
+    \sa setColorData(), colorData(), hasFormat()
+*/
+bool QMimeData::hasColor() const
+{
+    return hasFormat(QLatin1String("application/x-color"));
+}
+
+/*!
+    Returns the data stored in the object in the format described by
+    the MIME type specified by \a mimeType.
+*/
+QByteArray QMimeData::data(const QString &mimeType) const
+{
+    Q_D(const QMimeData);
+    QVariant data = d->retrieveTypedData(mimeType, QVariant::ByteArray);
+    return data.toByteArray();
+}
+
+/*!
+    Sets the data associated with the MIME type given by \a mimeType
+    to the specified \a data.
+
+    For the most common types of data, you can call the higher-level
+    functions setText(), setHtml(), setUrls(), setImageData(), and
+    setColorData() instead.
+
+    Note that if you want to use a custom data type in an item view drag and drop
+    operation, you must register it as a Qt \l{QMetaType}{meta type}, using the
+    Q_DECLARE_METATYPE() macro, and implement stream operators for it. The stream
+    operators must then be registered with the qRegisterMetaTypeStreamOperators()
+    function.
+
+    \sa hasFormat(), QMetaType, qRegisterMetaTypeStreamOperators()
+*/
+void QMimeData::setData(const QString &mimeType, const QByteArray &data)
+{
+    Q_D(QMimeData);
+    d->setData(mimeType, QVariant(data));
+}
+
+/*!
+    Returns true if the object can return data for the MIME type
+    specified by \a mimeType; otherwise returns false.
+
+    For the most common types of data, you can call the higher-level
+    functions hasText(), hasHtml(), hasUrls(), hasImage(), and
+    hasColor() instead.
+
+    \sa formats(), setData(), data()
+*/
+bool QMimeData::hasFormat(const QString &mimeType) const
+{
+    return formats().contains(mimeType);
+}
+
+/*!
+    Returns a list of formats supported by the object. This is a list
+    of MIME types for which the object can return suitable data. The
+    formats in the list are in a priority order.
+
+    For the most common types of data, you can call the higher-level
+    functions hasText(), hasHtml(), hasUrls(), hasImage(), and
+    hasColor() instead.
+
+    \sa hasFormat(), setData(), data()
+*/
+QStringList QMimeData::formats() const
+{
+    Q_D(const QMimeData);
+    QStringList list;
+    for (int i=0; i<d->dataList.size(); i++)
+        list += d->dataList.at(i).format;
+    return list;
+}
+
+/*!
+    Returns a variant with the given \a type containing data for the
+    MIME type specified by \a mimeType. If the object does not
+    support the MIME type or variant type given, a null variant is
+    returned instead.
+
+    This function is called by the general data() getter and by the
+    convenience getters (text(), html(), urls(), imageData(), and
+    colorData()). You can reimplement it if you want to store your
+    data using a custom data structure (instead of a QByteArray,
+    which is what setData() provides). You would then also need
+    to reimplement hasFormat() and formats().
+
+    \sa data()
+*/
+QVariant QMimeData::retrieveData(const QString &mimeType, QVariant::Type type) const
+{
+    Q_UNUSED(type);
+    Q_D(const QMimeData);
+    return d->getData(mimeType);
+}
+
+/*!
+    Removes all the MIME type and data entries in the object.
+*/
+void QMimeData::clear()
+{
+    Q_D(QMimeData);
+    d->dataList.clear();
+}
+
+/*!
+    \since 4.4
+
+    Removes the data entry for \a mimeType in the object.
+*/
+void QMimeData::removeFormat(const QString &mimeType)
+{
+    Q_D(QMimeData);
+    d->removeData(mimeType);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qmimedata.h b/src/corelib/kernel/qmimedata.h
new file mode 100644
index 0000000000..47c50750ee
--- /dev/null
+++ b/src/corelib/kernel/qmimedata.h
@@ -0,0 +1,104 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMIMEDATA_H
+#define QMIMEDATA_H
+
+#include <QtCore/qvariant.h>
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QUrl;
+class QMimeDataPrivate;
+
+class Q_CORE_EXPORT QMimeData : public QObject
+{
+    Q_OBJECT
+public:
+    QMimeData();
+    ~QMimeData();
+
+    QList<QUrl> urls() const;
+    void setUrls(const QList<QUrl> &urls);
+    bool hasUrls() const;
+
+    QString text() const;
+    void setText(const QString &text);
+    bool hasText() const;
+
+    QString html() const;
+    void setHtml(const QString &html);
+    bool hasHtml() const;
+
+    QVariant imageData() const;
+    void setImageData(const QVariant &image);
+    bool hasImage() const;
+
+    QVariant colorData() const;
+    void setColorData(const QVariant &color);
+    bool hasColor() const;
+
+    QByteArray data(const QString &mimetype) const;
+    void setData(const QString &mimetype, const QByteArray &data);
+    void removeFormat(const QString &mimetype);
+
+    virtual bool hasFormat(const QString &mimetype) const;
+    virtual QStringList formats() const;
+
+    void clear();
+protected:
+    virtual QVariant retrieveData(const QString &mimetype,
+                                      QVariant::Type preferredType) const;
+private:
+    Q_DISABLE_COPY(QMimeData)
+    Q_DECLARE_PRIVATE(QMimeData)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMIMEDATA_H
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
new file mode 100644
index 0000000000..05015c0c15
--- /dev/null
+++ b/src/corelib/kernel/qobject.cpp
@@ -0,0 +1,3818 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qobject.h"
+#include "qobject_p.h"
+
+#include "qabstracteventdispatcher.h"
+#include "qcoreapplication.h"
+#include "qcoreapplication_p.h"
+#include "qvariant.h"
+#include "qmetaobject.h"
+#include <qregexp.h>
+#include <qthread.h>
+#include <private/qthread_p.h>
+#include <qdebug.h>
+#include <qhash.h>
+#include <qpair.h>
+#include <qvarlengtharray.h>
+#include <qset.h>
+#include <qsemaphore.h>
+
+#include <private/qorderedmutexlocker_p.h>
+
+#include <new>
+
+#include <ctype.h>
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+static int DIRECT_CONNECTION_ONLY = 0;
+
+static int *queuedConnectionTypes(const QList<QByteArray> &typeNames)
+{
+    int *types = static_cast<int *>(qMalloc((typeNames.count() + 1) * sizeof(int)));
+    for (int i = 0; i < typeNames.count(); ++i) {
+        const QByteArray typeName = typeNames.at(i);
+        if (typeName.endsWith('*'))
+            types[i] = QMetaType::VoidStar;
+        else
+            types[i] = QMetaType::type(typeName);
+
+        if (!types[i]) {
+            qWarning("QObject::connect: Cannot queue arguments of type '%s'\n"
+                     "(Make sure '%s' is registered using qRegisterMetaType().)",
+                     typeName.constData(), typeName.constData());
+            qFree(types);
+            return 0;
+        }
+    }
+    types[typeNames.count()] = 0;
+
+    return types;
+}
+
+extern "C" Q_CORE_EXPORT void qt_addObject(QObject *)
+{
+}
+
+extern "C" Q_CORE_EXPORT void qt_removeObject(QObject *)
+{
+}
+
+QObjectPrivate::QObjectPrivate(int version)
+    : threadData(0), currentSender(0), currentChildBeingDeleted(0), connectionLists(0)
+{
+    if (version != QObjectPrivateVersion)
+        qFatal("Cannot mix incompatible Qt libraries");
+
+    // QObjectData initialization
+    q_ptr = 0;
+    parent = 0;                                 // no parent yet. It is set by setParent()
+    isWidget = false;                           // assume not a widget object
+    pendTimer = false;                          // no timers yet
+    blockSig = false;                           // not blocking signals
+    wasDeleted = false;                         // double-delete catcher
+    sendChildEvents = true;                     // if we should send ChildInsert and ChildRemove events to parent
+    receiveChildEvents = true;
+    postedEvents = 0;
+    extraData = 0;
+    connectedSignals = 0;
+    inEventHandler = false;
+    inThreadChangeEvent = false;
+    deleteWatch = 0;
+}
+
+QObjectPrivate::~QObjectPrivate()
+{
+    if (deleteWatch)
+        *deleteWatch = 1;
+#ifndef QT_NO_USERDATA
+    if (extraData)
+        qDeleteAll(extraData->userData);
+    delete extraData;
+#endif
+}
+
+
+int *QObjectPrivate::setDeleteWatch(QObjectPrivate *d, int *w) {
+    int *old = d->deleteWatch;
+    d->deleteWatch = w;
+    return old;
+}
+
+
+void QObjectPrivate::resetDeleteWatch(QObjectPrivate *d, int *oldWatch, int deleteWatch) {
+    if (!deleteWatch)
+        d->deleteWatch = oldWatch;
+
+    if (oldWatch)
+        *oldWatch = deleteWatch;
+}
+
+
+
+
+
+#ifdef QT3_SUPPORT
+void QObjectPrivate::sendPendingChildInsertedEvents()
+{
+    Q_Q(QObject);
+    for (int i = 0; i < pendingChildInsertedEvents.size(); ++i) {
+        QObject *c = pendingChildInsertedEvents.at(i);
+        if (!c)
+            continue;
+        QChildEvent childEvent(QEvent::ChildInserted, c);
+        QCoreApplication::sendEvent(q, &childEvent);
+    }
+    pendingChildInsertedEvents.clear();
+}
+
+void QObjectPrivate::removePendingChildInsertedEvents(QObject *child)
+{
+    if (!child) {
+        pendingChildInsertedEvents.clear();
+        return;
+    }
+
+    // the QObject destructor calls QObject::removeChild, which calls
+    // QCoreApplication::sendEvent() directly.  this can happen while the event
+    // loop is in the middle of posting events, and when we get here, we may
+    // not have any more posted events for this object.
+
+    // if this is a child remove event and the child insert hasn't
+    // been dispatched yet, kill that insert
+    for (int i = 0; i < pendingChildInsertedEvents.size(); ++i) {
+        QObject *&c = pendingChildInsertedEvents[i];
+        if (c == child)
+            c = 0;
+    }
+}
+#endif
+
+
+class QObjectConnectionListVector : public QVector<QObjectPrivate::ConnectionList>
+{
+public:
+    bool orphaned;
+    bool dirty;
+    int inUse;
+    QObjectPrivate::ConnectionList allsignals;
+
+    QObjectConnectionListVector()
+        : QVector<QObjectPrivate::ConnectionList>(), orphaned(false), dirty(false), inUse(0)
+    { }
+
+    const QObjectPrivate::ConnectionList &at(int at) const
+    {
+        if (at < 0)
+            return allsignals;
+        return QVector<QObjectPrivate::ConnectionList>::at(at);
+    }
+    QObjectPrivate::ConnectionList &operator[](int at)
+    {
+        if (at < 0)
+            return allsignals;
+        return QVector<QObjectPrivate::ConnectionList>::operator[](at);
+    }
+};
+
+bool QObjectPrivate::isSender(const QObject *receiver, const char *signal) const
+{
+    Q_Q(const QObject);
+    int signal_index = q->metaObject()->indexOfSignal(signal);
+    if (signal_index < 0)
+        return false;
+    QMutexLocker locker(&threadData->mutex);
+    if (connectionLists) {
+        if (signal_index < connectionLists->count()) {
+            const ConnectionList &connectionList = connectionLists->at(signal_index);
+            for (int i = 0; i < connectionList.count(); ++i) {
+                const QObjectPrivate::Connection &c = connectionList.at(i);
+                if (c.receiver && c.receiver == receiver)
+                    return true;
+            }
+        }
+    }
+    return false;
+}
+
+QObjectList QObjectPrivate::receiverList(const char *signal) const
+{
+    Q_Q(const QObject);
+    QObjectList returnValue;
+    int signal_index = q->metaObject()->indexOfSignal(signal);
+    if (signal_index < 0)
+        return returnValue;
+    QMutexLocker locker(&threadData->mutex);
+    if (connectionLists) {
+        if (signal_index < connectionLists->count()) {
+            const ConnectionList &connectionList = connectionLists->at(signal_index);
+            for (int i = 0; i < connectionList.count(); ++i) {
+                const QObjectPrivate::Connection &c = connectionList.at(i);
+                if (c.receiver)
+                    returnValue << c.receiver;
+            }
+        }
+    }
+    return returnValue;
+}
+
+QObjectList QObjectPrivate::senderList() const
+{
+    QObjectList returnValue;
+    QMutexLocker locker(&threadData->mutex);
+    for (int i = 0; i < senders.count(); ++i)
+        returnValue << senders.at(i).sender;
+    return returnValue;
+}
+
+void QObjectPrivate::addConnection(int signal, Connection *c)
+{
+    if (!connectionLists)
+        connectionLists = new QObjectConnectionListVector();
+    if (signal >= connectionLists->count())
+        connectionLists->resize(signal + 1);
+
+    ConnectionList &connectionList = (*connectionLists)[signal];
+    connectionList.append(*c);
+
+    cleanConnectionLists();
+}
+
+void QObjectPrivate::removeReceiver(int signal, QObject *receiver)
+{
+    if (!connectionLists)
+        return;
+
+    if (signal >= connectionLists->count())
+        return;
+
+    ConnectionList &connectionList = (*connectionLists)[signal];
+    for (int i = 0; i < connectionList.count(); ++i) {
+        Connection &c = connectionList[i];
+        if (c.receiver == receiver) {
+            c.receiver = 0;
+            if (c.argumentTypes && c.argumentTypes != &DIRECT_CONNECTION_ONLY) {
+                qFree(c.argumentTypes);
+                c.argumentTypes = 0;
+            }
+            connectionLists->dirty = true;
+        }
+    }
+}
+
+void QObjectPrivate::cleanConnectionLists()
+{
+    if (connectionLists->dirty && !connectionLists->inUse) {
+        // remove broken connections
+        for (int signal = -1; signal < connectionLists->count(); ++signal) {
+            QObjectPrivate::ConnectionList &connectionList = (*connectionLists)[signal];
+            for (int i = 0; i < connectionList.count(); ++i) {
+                const QObjectPrivate::Connection &c = connectionList.at(i);
+                if (!c.receiver)
+                    connectionList.removeAt(i--);
+            }
+        }
+        connectionLists->dirty = false;
+    }
+}
+
+void QObjectPrivate::refSender(QObject *sender, int signal)
+{
+    for (int i = 0; i < senders.count(); ++i) {
+        Sender &s = senders[i];
+        if (s.sender == sender && s.signal == signal) {
+            ++s.ref;
+            return;
+        }
+    }
+
+    Sender s = { sender, signal, 1 };
+    senders.append(s);
+}
+
+void QObjectPrivate::derefSender(QObject *sender, int signal)
+{
+    for (int i = 0; i < senders.count(); ++i) {
+        Sender &s = senders[i];
+        if (s.sender == sender && s.signal == signal) {
+            if (--s.ref == 0) {
+                senders.removeAt(i);
+                break;
+            }
+        }
+    }
+    // Q_ASSERT_X(false, "QObjectPrivate::derefSender", "sender not found");
+}
+
+void QObjectPrivate::removeSender(QObject *sender, int signal)
+{
+    for (int i = 0; i < senders.count(); ++i) {
+        Sender &s = senders[i];
+        if (s.sender == sender && s.signal == signal) {
+            senders.removeAt(i);
+            return;
+        }
+    }
+    // Q_ASSERT_X(false, "QObjectPrivate::removeSender", "sender not found");
+}
+
+QObjectPrivate::Sender *QObjectPrivate::setCurrentSender(QObject *receiver,
+                                                         Sender *sender)
+{
+    Sender *previousSender = receiver->d_func()->currentSender;
+    receiver->d_func()->currentSender = sender;
+    return previousSender;
+}
+
+void QObjectPrivate::resetCurrentSender(QObject *receiver,
+                                        Sender *currentSender,
+                                        Sender *previousSender)
+{
+    // ref is set to zero when this object is deleted during the metacall
+    if (currentSender->ref == 1)
+        receiver->d_func()->currentSender = previousSender;
+    // if we've recursed, we need to tell the caller about the objects deletion
+    if (previousSender)
+        previousSender->ref = currentSender->ref;
+}
+
+
+typedef QMultiHash<QObject *, QObject **> GuardHash;
+Q_GLOBAL_STATIC(GuardHash, guardHash)
+Q_GLOBAL_STATIC(QMutex, guardHashLock)
+
+/*!\internal
+ */
+void QMetaObject::addGuard(QObject **ptr)
+{
+    if (!*ptr)
+        return;
+    GuardHash *hash = guardHash();
+    if (!hash) {
+        *ptr = 0;
+        return;
+    }
+    QMutexLocker locker(guardHashLock());
+    hash->insert(*ptr, ptr);
+}
+
+/*!\internal
+ */
+void QMetaObject::removeGuard(QObject **ptr)
+{
+    if (!*ptr)
+        return;
+    GuardHash *hash = guardHash();
+    if (!hash)
+        return;
+    QMutexLocker locker(guardHashLock());
+    GuardHash::iterator it = hash->find(*ptr);
+    const GuardHash::iterator end = hash->end();
+    for (; it.key() == *ptr && it != end; ++it) {
+        if (it.value() == ptr) {
+            (void) hash->erase(it);
+            break;
+        }
+    }
+}
+
+/*!\internal
+ */
+void QMetaObject::changeGuard(QObject **ptr, QObject *o)
+{
+    GuardHash *hash = guardHash();
+    if (!hash) {
+        *ptr = 0;
+        return;
+    }
+    QMutexLocker locker(guardHashLock());
+    if (*ptr) {
+        GuardHash::iterator it = hash->find(*ptr);
+        const GuardHash::iterator end = hash->end();
+        for (; it.key() == *ptr && it != end; ++it) {
+            if (it.value() == ptr) {
+                (void) hash->erase(it);
+                break;
+            }
+        }
+    }
+    *ptr = o;
+    if (*ptr)
+        hash->insert(*ptr, ptr);
+}
+
+/*! \internal
+ */
+void QObjectPrivate::clearGuards(QObject *object)
+{
+    GuardHash *hash = guardHash();
+    if (hash) {
+        QMutexLocker locker(guardHashLock());
+        GuardHash::iterator it = hash->find(object);
+        const GuardHash::iterator end = hash->end();
+        while (it.key() == object && it != end) {
+            *it.value() = 0;
+            it = hash->erase(it);
+        }
+    }
+}
+
+/*! \internal
+ */
+QMetaCallEvent::QMetaCallEvent(int id, const QObject *sender, int signalId,
+                               int nargs, int *types, void **args, QSemaphore *semaphore)
+    : QEvent(MetaCall), id_(id), sender_(sender), signalId_(signalId),
+      nargs_(nargs), types_(types), args_(args), semaphore_(semaphore)
+{ }
+
+/*! \internal
+ */
+QMetaCallEvent::~QMetaCallEvent()
+{
+    for (int i = 0; i < nargs_; ++i) {
+        if (types_[i] && args_[i])
+            QMetaType::destroy(types_[i], args_[i]);
+    }
+    if (types_) qFree(types_);
+    if (args_) qFree(args_);
+#ifndef QT_NO_THREAD
+    if (semaphore_)
+        semaphore_->release();
+#endif
+}
+
+/*! \internal
+ */
+int QMetaCallEvent::placeMetaCall(QObject *object)
+{
+    return object->qt_metacall(QMetaObject::InvokeMetaMethod, id_, args_);
+}
+
+/*!
+    \class QObject
+    \brief The QObject class is the base class of all Qt objects.
+
+    \ingroup objectmodel
+    \mainclass
+    \reentrant
+
+    QObject is the heart of the \l{Qt object model}. The central
+    feature in this model is a very powerful mechanism for seamless
+    object communication called \l{signals and slots}. You can
+    connect a signal to a slot with connect() and destroy the
+    connection with disconnect(). To avoid never ending notification
+    loops you can temporarily block signals with blockSignals(). The
+    protected functions connectNotify() and disconnectNotify() make
+    it possible to track connections.
+
+    QObjects organize themselves in object trees. When you create a
+    QObject with another object as parent, the object will
+    automatically add itself to the parent's children() list. The
+    parent takes ownership of the object i.e. it will automatically
+    delete its children in its destructor. You can look for an object
+    by name and optionally type using findChild() or findChildren().
+
+    Every object has an objectName() and its class name can be found
+    via the corresponding metaObject() (see QMetaObject::className()).
+    You can determine whether the object's class inherits another
+    class in the QObject inheritance hierarchy by using the
+    inherits() function.
+
+    When an object is deleted, it emits a destroyed() signal. You can
+    catch this signal to avoid dangling references to QObjects.
+
+    QObjects can receive events through event() and filter the events
+    of other objects. See installEventFilter() and eventFilter() for
+    details. A convenience handler, childEvent(), can be reimplemented
+    to catch child events.
+
+    Events are delivered in the thread in which the object was
+    created; see \l{Thread Support in Qt} and thread() for details.
+    Note that event processing is not done at all for QObjects with no
+    thread affinity (thread() returns zero). Use the moveToThread()
+    function to change the thread affinity for an object and its
+    children (the object cannot be moved if it has a parent).
+
+    Last but not least, QObject provides the basic timer support in
+    Qt; see QTimer for high-level support for timers.
+
+    Notice that the Q_OBJECT macro is mandatory for any object that
+    implements signals, slots or properties. You also need to run the
+    \l{moc}{Meta Object Compiler} on the source file. We strongly
+    recommend the use of this macro in all subclasses of QObject
+    regardless of whether or not they actually use signals, slots and
+    properties, since failure to do so may lead certain functions to
+    exhibit strange behavior.
+
+    All Qt widgets inherit QObject. The convenience function
+    isWidgetType() returns whether an object is actually a widget. It
+    is much faster than
+    \l{qobject_cast()}{qobject_cast}<QWidget *>(\e{obj}) or
+    \e{obj}->\l{inherits()}{inherits}("QWidget").
+
+    Some QObject functions, e.g. children(), return a QObjectList.
+    QObjectList is a typedef for QList<QObject *>.
+
+    \target No copy constructor
+    \section1 No copy constructor or assignment operator
+
+    QObject has neither a copy constructor nor an assignment operator.
+    This is by design. Actually, they are declared, but in a
+    \c{private} section with the macro Q_DISABLE_COPY(). In fact, all
+    Qt classes derived from QObject (direct or indirect) use this
+    macro to declare their copy constructor and assignment operator to
+    be private. The reasoning is found in the discussion on
+    \l{Identity vs Value} {Identity vs Value} on the \l{Qt Object
+    Model} page.
+
+    The main consequence is that you should use pointers to QObject
+    (or to your QObject subclass) where you might otherwise be tempted
+    to use your QObject subclass as a value. For example, without a
+    copy constructor, you can't use a subclass of QObject as the value
+    to be stored in one of the container classes. You must store
+    pointers.
+
+    \section2 Auto-Connection
+
+    Qt's meta-object system provides a mechanism to automatically connect
+    signals and slots between QObject subclasses and their children. As long
+    as objects are defined with suitable object names, and slots follow a
+    simple naming convention, this connection can be performed at run-time
+    by the QMetaObject::connectSlotsByName() function.
+
+    \l uic generates code that invokes this function to enable
+    auto-connection to be performed between widgets on forms created
+    with \QD. More information about using auto-connection with \QD is
+    given in the \l{Using a Designer .ui File in Your Application} section of
+    the \QD manual.
+
+    \section2 Dynamic Properties
+
+    From Qt 4.2, dynamic properties can be added to and removed from QObject
+    instances at run-time. Dynamic properties do not need to be declared at
+    compile-time, yet they provide the same advantages as static properties
+    and are manipulated using the same API - using property() to read them
+    and setProperty() to write them.
+
+    From Qt 4.3, dynamic properties are supported by
+    \l{Qt Designer's Widget Editing Mode#The Property Editor}{Qt Designer},
+    and both standard Qt widgets and user-created forms can be given dynamic
+    properties.
+
+    \sa QMetaObject, QPointer, QObjectCleanupHandler, Q_DISABLE_COPY()
+        {Object Trees and Object Ownership}
+*/
+
+/*!
+    \relates QObject
+
+    Returns a pointer to the object named \a name that inherits \a
+    type and with a given \a parent.
+
+    Returns 0 if there is no such child.
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 0
+*/
+
+void *qt_find_obj_child(QObject *parent, const char *type, const QString &name)
+{
+    QObjectList list = parent->children();
+    if (list.size() == 0) return 0;
+    for (int i = 0; i < list.size(); ++i) {
+        QObject *obj = list.at(i);
+        if (name == obj->objectName() && obj->inherits(type))
+            return obj;
+    }
+    return 0;
+}
+
+
+/*****************************************************************************
+  QObject member functions
+ *****************************************************************************/
+
+// check the constructor's parent thread argument
+static bool check_parent_thread(QObject *parent,
+                                QThreadData *parentThreadData,
+                                QThreadData *currentThreadData)
+{
+    if (parent && parentThreadData != currentThreadData) {
+        QThread *parentThread = parentThreadData->thread;
+        QThread *currentThread = currentThreadData->thread;
+        qWarning("QObject: Cannot create children for a parent that is in a different thread.\n"
+                 "(Parent is %s(%p), parent's thread is %s(%p), current thread is %s(%p)",
+                 parent->metaObject()->className(),
+                 parent,
+                 parentThread ? parentThread->metaObject()->className() : "QThread",
+                 parentThread,
+                 currentThread ? currentThread->metaObject()->className() : "QThread",
+                 currentThread);
+        return false;
+    }
+    return true;
+}
+
+/*!
+    Constructs an object with parent object \a parent.
+
+    The parent of an object may be viewed as the object's owner. For
+    instance, a \l{QDialog}{dialog box} is the parent of the \gui OK
+    and \gui Cancel buttons it contains.
+
+    The destructor of a parent object destroys all child objects.
+
+    Setting \a parent to 0 constructs an object with no parent. If the
+    object is a widget, it will become a top-level window.
+
+    \sa parent(), findChild(), findChildren()
+*/
+
+QObject::QObject(QObject *parent)
+    : d_ptr(new QObjectPrivate)
+{
+    Q_D(QObject);
+    qt_addObject(d_ptr->q_ptr = this);
+    d->threadData = (parent && !parent->thread()) ? parent->d_func()->threadData : QThreadData::current();
+    d->threadData->ref();
+    if (!check_parent_thread(parent, parent ? parent->d_func()->threadData : 0, d->threadData))
+        parent = 0;
+    setParent(parent);
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    \overload QObject()
+    \obsolete
+
+    Creates a new QObject with the given \a parent and object \a name.
+ */
+QObject::QObject(QObject *parent, const char *name)
+    : d_ptr(new QObjectPrivate)
+{
+    Q_D(QObject);
+    qt_addObject(d_ptr->q_ptr = this);
+    d->threadData = (parent && !parent->thread()) ? parent->d_func()->threadData : QThreadData::current();
+    d->threadData->ref();
+    if (!check_parent_thread(parent, parent ? parent->d_func()->threadData : 0, d->threadData))
+        parent = 0;
+    setParent(parent);
+    setObjectName(QString::fromAscii(name));
+}
+#endif
+
+/*! \internal
+ */
+QObject::QObject(QObjectPrivate &dd, QObject *parent)
+    : d_ptr(&dd)
+{
+    Q_D(QObject);
+    qt_addObject(d_ptr->q_ptr = this);
+    d->threadData = (parent && !parent->thread()) ? parent->d_func()->threadData : QThreadData::current();
+    d->threadData->ref();
+    if (!check_parent_thread(parent, parent ? parent->d_func()->threadData : 0, d->threadData))
+        parent = 0;
+    if (d->isWidget) {
+        if (parent) {
+            d->parent = parent;
+            d->parent->d_func()->children.append(this);
+        }
+        // no events sent here, this is done at the end of the QWidget constructor
+    } else {
+        setParent(parent);
+    }
+}
+
+/*!
+    Destroys the object, deleting all its child objects.
+
+    All signals to and from the object are automatically disconnected, and
+    any pending posted events for the object are removed from the event
+    queue. However, it is often safer to use deleteLater() rather than
+    deleting a QObject subclass directly.
+
+    \warning All child objects are deleted. If any of these objects
+    are on the stack or global, sooner or later your program will
+    crash. We do not recommend holding pointers to child objects from
+    outside the parent. If you still do, the destroyed() signal gives
+    you an opportunity to detect when an object is destroyed.
+
+    \warning Deleting a QObject while pending events are waiting to
+    be delivered can cause a crash. You must not delete the QObject
+    directly if it exists in a different thread than the one currently
+    executing. Use deleteLater() instead, which will cause the event
+    loop to delete the object after all pending events have been
+    delivered to it.
+
+    \sa deleteLater()
+*/
+
+QObject::~QObject()
+{
+    Q_D(QObject);
+    if (d->wasDeleted) {
+#if defined(QT_DEBUG)
+        qWarning("QObject: Double deletion detected");
+#endif
+        return;
+    }
+    d->wasDeleted = true;
+
+    d->blockSig = 0; // unblock signals so we always emit destroyed()
+
+    if (!d->isWidget) {
+        // set all QPointers for this object to zero - note that
+        // ~QWidget() does this for us, so we don't have to do it twice
+        QObjectPrivate::clearGuards(this);
+    }
+
+    emit destroyed(this);
+
+    {
+        QMutexLocker locker(&d->threadData->mutex);
+
+        // set ref to zero to indicate that this object has been deleted
+        if (d->currentSender != 0)
+            d->currentSender->ref = 0;
+        d->currentSender = 0;
+
+        // disconnect all receivers
+        if (d->connectionLists) {
+            ++d->connectionLists->inUse;
+            for (int signal = -1; signal < d->connectionLists->count(); ++signal) {
+                QObjectPrivate::ConnectionList &connectionList = (*d->connectionLists)[signal];
+                for (int i = 0; i < connectionList.count(); ++i) {
+                    QObjectPrivate::Connection *c = &connectionList[i];
+                    if (!c->receiver)
+                        continue;
+
+                    QMutex *m = &c->receiver->d_func()->threadData->mutex;
+                    bool needToUnlock = QOrderedMutexLocker::relock(locker.mutex(), m);
+                    c = &connectionList[i];
+                    if (c->receiver)
+                        c->receiver->d_func()->removeSender(this, signal);
+                    if (needToUnlock)
+                        m->unlock();
+
+                    if (c->argumentTypes && c->argumentTypes != &DIRECT_CONNECTION_ONLY) {
+                        qFree(c->argumentTypes);
+                        c->argumentTypes = 0;
+                    }
+                    c->receiver = 0;
+                }
+            }
+
+            if (!--d->connectionLists->inUse) {
+                delete d->connectionLists;
+            } else {
+                d->connectionLists->orphaned = true;
+            }
+            d->connectionLists = 0;
+        }
+
+        // disconnect all senders
+        for (int i = 0; i < d->senders.count(); ++i) {
+            QObjectPrivate::Sender *s = &d->senders[i];
+            if (!s->sender)
+                continue;
+
+            QMutex *m = &s->sender->d_func()->threadData->mutex;
+            bool needToUnlock = QOrderedMutexLocker::relock(locker.mutex(), m);
+            s = &d->senders[i];
+            if (s->sender)
+                s->sender->d_func()->removeReceiver(s->signal, this);
+            if (needToUnlock)
+                m->unlock();
+        }
+
+        d->senders.clear();
+    }
+
+    if (d->pendTimer) {
+        // unregister pending timers
+        if (d->threadData->eventDispatcher)
+            d->threadData->eventDispatcher->unregisterTimers(this);
+    }
+
+#ifdef QT3_SUPPORT
+    d->pendingChildInsertedEvents.clear();
+#endif
+
+    d->eventFilters.clear();
+
+    if (!d->children.isEmpty())
+        d->deleteChildren();
+
+    qt_removeObject(this);
+
+    QMutexLocker locker2(&d->threadData->postEventList.mutex);
+    if (d->postedEvents > 0)
+        QCoreApplicationPrivate::removePostedEvents_unlocked(this, 0, d->threadData);
+    locker2.unlock();
+
+    if (d->parent)        // remove it from parent object
+        d->setParent_helper(0);
+
+    d->threadData->deref();
+
+#ifdef QT_JAMBI_BUILD
+    if (d->inEventHandler) {
+        qWarning("QObject: Do not delete object, '%s', during its event handler!",
+                 objectName().isNull() ? "unnamed" : qPrintable(objectName()));
+    }
+#endif
+
+    delete d;
+    d_ptr = 0;
+}
+
+
+/*!
+    \fn QMetaObject *QObject::metaObject() const
+
+    Returns a pointer to the meta-object of this object.
+
+    A meta-object contains information about a class that inherits
+    QObject, e.g. class name, superclass name, properties, signals and
+    slots. Every QObject subclass that contains the Q_OBJECT macro will have a
+    meta-object.
+
+    The meta-object information is required by the signal/slot
+    connection mechanism and the property system. The inherits()
+    function also makes use of the meta-object.
+
+    If you have no pointer to an actual object instance but still
+    want to access the meta-object of a class, you can use \l
+    staticMetaObject.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 1
+
+    \sa staticMetaObject
+*/
+
+/*!
+    \variable QObject::staticMetaObject
+
+    This variable stores the meta-object for the class.
+
+    A meta-object contains information about a class that inherits
+    QObject, e.g. class name, superclass name, properties, signals and
+    slots. Every class that contains the Q_OBJECT macro will also have
+    a meta-object.
+
+    The meta-object information is required by the signal/slot
+    connection mechanism and the property system. The inherits()
+    function also makes use of the meta-object.
+
+    If you have a pointer to an object, you can use metaObject() to
+    retrieve the meta-object associated with that object.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 2
+
+    \sa metaObject()
+*/
+
+/*! \fn T *qobject_cast<T *>(QObject *object)
+    \relates QObject
+
+    Returns the given \a object cast to type T if the object is of type
+    T (or of a subclass); otherwise returns 0.
+
+    The class T must inherit (directly or indirectly) QObject and be
+    declared with the \l Q_OBJECT macro.
+
+    A class is considered to inherit itself.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 3
+
+    The qobject_cast() function behaves similarly to the standard C++
+    \c dynamic_cast(), with the advantages that it doesn't require
+    RTTI support and it works across dynamic library boundaries.
+
+    qobject_cast() can also be used in conjunction with interfaces;
+    see the \l{tools/plugandpaint}{Plug & Paint} example for details.
+
+    \warning If T isn't declared with the Q_OBJECT macro, this
+    function's return value is undefined.
+
+    \sa QObject::inherits()
+*/
+
+/*!
+    \fn bool QObject::inherits(const char *className) const
+
+    Returns true if this object is an instance of a class that
+    inherits \a className or a QObject subclass that inherits \a
+    className; otherwise returns false.
+
+    A class is considered to inherit itself.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 4
+
+    (\l QLayoutItem is not a QObject.)
+
+    Consider using qobject_cast<Type *>(object) instead. The method
+    is both faster and safer.
+
+    \sa metaObject(), qobject_cast()
+*/
+
+/*!
+    \property QObject::objectName
+
+    \brief the name of this object
+
+    You can find an object by name (and type) using findChild(). You can
+    find a set of objects with findChildren().
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 5
+
+    By default, this property contains an empty string.
+
+    \sa metaObject(), QMetaObject::className()
+*/
+
+QString QObject::objectName() const
+{
+    Q_D(const QObject);
+    return d->objectName;
+}
+
+/*
+    Sets the object's name to \a name.
+*/
+void QObject::setObjectName(const QString &name)
+{
+    Q_D(QObject);
+    d->objectName = name;
+}
+
+
+#ifdef QT3_SUPPORT
+/*! \internal
+    QObject::child is compat but needs to call itself recursively,
+    that's why we need this helper.
+*/
+static QObject *qChildHelper(const char *objName, const char *inheritsClass,
+                             bool recursiveSearch, const QObjectList &children)
+{
+    if (children.isEmpty())
+        return 0;
+
+    bool onlyWidgets = (inheritsClass && qstrcmp(inheritsClass, "QWidget") == 0);
+    const QLatin1String oName(objName);
+    for (int i = 0; i < children.size(); ++i) {
+        QObject *obj = children.at(i);
+        if (onlyWidgets) {
+            if (obj->isWidgetType() && (!objName || obj->objectName() == oName))
+                return obj;
+        } else if ((!inheritsClass || obj->inherits(inheritsClass))
+                   && (!objName || obj->objectName() == oName))
+            return obj;
+        if (recursiveSearch && (obj = qChildHelper(objName, inheritsClass,
+                                                   recursiveSearch, obj->children())))
+            return obj;
+    }
+    return 0;
+}
+
+
+/*!
+    Searches the children and optionally grandchildren of this object,
+    and returns a child that is called \a objName that inherits \a
+    inheritsClass. If \a inheritsClass is 0 (the default), any class
+    matches.
+
+    If \a recursiveSearch is true (the default), child() performs a
+    depth-first search of the object's children.
+
+    If there is no such object, this function returns 0. If there are
+    more than one, the first one found is returned.
+*/
+QObject* QObject::child(const char *objName, const char *inheritsClass,
+                         bool recursiveSearch) const
+{
+    Q_D(const QObject);
+    return qChildHelper(objName, inheritsClass, recursiveSearch, d->children);
+}
+#endif
+
+/*!
+    \fn bool QObject::isWidgetType() const
+
+    Returns true if the object is a widget; otherwise returns false.
+
+    Calling this function is equivalent to calling
+    inherits("QWidget"), except that it is much faster.
+*/
+
+
+/*!
+    This virtual function receives events to an object and should
+    return true if the event \a e was recognized and processed.
+
+    The event() function can be reimplemented to customize the
+    behavior of an object.
+
+    \sa installEventFilter(), timerEvent(), QApplication::sendEvent(),
+    QApplication::postEvent(), QWidget::event()
+*/
+
+bool QObject::event(QEvent *e)
+{
+    switch (e->type()) {
+    case QEvent::Timer:
+        timerEvent((QTimerEvent*)e);
+        break;
+
+#ifdef QT3_SUPPORT
+    case QEvent::ChildInsertedRequest:
+        d_func()->sendPendingChildInsertedEvents();
+        break;
+#endif
+
+    case QEvent::ChildAdded:
+    case QEvent::ChildPolished:
+#ifdef QT3_SUPPORT
+    case QEvent::ChildInserted:
+#endif
+    case QEvent::ChildRemoved:
+        childEvent((QChildEvent*)e);
+        break;
+
+    case QEvent::DeferredDelete:
+        qDeleteInEventHandler(this);
+        break;
+
+    case QEvent::MetaCall:
+        {
+            d_func()->inEventHandler = false;
+            QMetaCallEvent *mce = static_cast<QMetaCallEvent*>(e);
+            QObjectPrivate::Sender currentSender;
+            currentSender.sender = const_cast<QObject*>(mce->sender());
+            currentSender.signal = mce->signalId();
+            currentSender.ref = 1;
+            QObjectPrivate::Sender * const previousSender =
+                QObjectPrivate::setCurrentSender(this, &currentSender);
+#if defined(QT_NO_EXCEPTIONS)
+            mce->placeMetaCall(this);
+#else
+            try {
+                mce->placeMetaCall(this);
+            } catch (...) {
+                QObjectPrivate::resetCurrentSender(this, &currentSender, previousSender);
+                throw;
+            }
+#endif
+            QObjectPrivate::resetCurrentSender(this, &currentSender, previousSender);
+            break;
+        }
+
+    case QEvent::ThreadChange: {
+        Q_D(QObject);
+        QThreadData *threadData = d->threadData;
+        QAbstractEventDispatcher *eventDispatcher = threadData->eventDispatcher;
+        if (eventDispatcher) {
+            QList<QPair<int, int> > timers = eventDispatcher->registeredTimers(this);
+            if (!timers.isEmpty()) {
+                // set inThreadChangeEvent to true to tell the dispatcher not to release out timer ids
+                // back to the pool (since the timer ids are moving to a new thread).
+                d->inThreadChangeEvent = true;
+                eventDispatcher->unregisterTimers(this);
+                d->inThreadChangeEvent = false;
+                QMetaObject::invokeMethod(this, "_q_reregisterTimers", Qt::QueuedConnection,
+                                          Q_ARG(void*, (new QList<QPair<int, int> >(timers))));
+            }
+        }
+        break;
+    }
+
+    default:
+        if (e->type() >= QEvent::User) {
+            customEvent(e);
+            break;
+        }
+        return false;
+    }
+    return true;
+}
+
+/*!
+    \fn void QObject::timerEvent(QTimerEvent *event)
+
+    This event handler can be reimplemented in a subclass to receive
+    timer events for the object.
+
+    QTimer provides a higher-level interface to the timer
+    functionality, and also more general information about timers. The
+    timer event is passed in the \a event parameter.
+
+    \sa startTimer(), killTimer(), event()
+*/
+
+void QObject::timerEvent(QTimerEvent *)
+{
+}
+
+
+/*!
+    This event handler can be reimplemented in a subclass to receive
+    child events. The event is passed in the \a event parameter.
+
+    QEvent::ChildAdded and QEvent::ChildRemoved events are sent to
+    objects when children are added or removed. In both cases you can
+    only rely on the child being a QObject, or if isWidgetType()
+    returns true, a QWidget. (This is because, in the
+    \l{QEvent::ChildAdded}{ChildAdded} case, the child is not yet
+    fully constructed, and in the \l{QEvent::ChildRemoved}{ChildRemoved}
+    case it might have been destructed already).
+
+    QEvent::ChildPolished events are sent to widgets when children
+    are polished, or when polished children are added. If you receive
+    a child polished event, the child's construction is usually
+    completed. However, this is not guaranteed, and multiple polish
+    events may be delivered during the execution of a widget's
+    constructor.
+
+    For every child widget, you receive one
+    \l{QEvent::ChildAdded}{ChildAdded} event, zero or more
+    \l{QEvent::ChildPolished}{ChildPolished} events, and one
+    \l{QEvent::ChildRemoved}{ChildRemoved} event.
+
+    The \l{QEvent::ChildPolished}{ChildPolished} event is omitted if
+    a child is removed immediately after it is added. If a child is
+    polished several times during construction and destruction, you
+    may receive several child polished events for the same child,
+    each time with a different virtual table.
+
+    \sa event()
+*/
+
+void QObject::childEvent(QChildEvent * /* event */)
+{
+}
+
+
+/*!
+    This event handler can be reimplemented in a subclass to receive
+    custom events. Custom events are user-defined events with a type
+    value at least as large as the QEvent::User item of the
+    QEvent::Type enum, and is typically a QEvent subclass. The event
+    is passed in the \a event parameter.
+
+    \sa event(), QEvent
+*/
+void QObject::customEvent(QEvent * /* event */)
+{
+}
+
+
+
+/*!
+    Filters events if this object has been installed as an event
+    filter for the \a watched object.
+
+    In your reimplementation of this function, if you want to filter
+    the \a event out, i.e. stop it being handled further, return
+    true; otherwise return false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 6
+
+    Notice in the example above that unhandled events are passed to
+    the base class's eventFilter() function, since the base class
+    might have reimplemented eventFilter() for its own internal
+    purposes.
+
+    \warning If you delete the receiver object in this function, be
+    sure to return true. Otherwise, Qt will forward the event to the
+    deleted object and the program might crash.
+
+    \sa installEventFilter()
+*/
+
+bool QObject::eventFilter(QObject * /* watched */, QEvent * /* event */)
+{
+    return false;
+}
+
+/*!
+    \fn bool QObject::signalsBlocked() const
+
+    Returns true if signals are blocked; otherwise returns false.
+
+    Signals are not blocked by default.
+
+    \sa blockSignals()
+*/
+
+/*!
+    If \a block is true, signals emitted by this object are blocked
+    (i.e., emitting a signal will not invoke anything connected to it).
+	If \a block is false, no such blocking will occur.
+
+    The return value is the previous value of signalsBlocked().
+
+    Note that the destroyed() signal will be emitted even if the signals
+    for this object have been blocked.
+
+    \sa signalsBlocked()
+*/
+
+bool QObject::blockSignals(bool block)
+{
+    Q_D(QObject);
+    bool previous = d->blockSig;
+    d->blockSig = block;
+    return previous;
+}
+
+/*!
+    Returns the thread in which the object lives.
+
+    \sa moveToThread()
+*/
+QThread *QObject::thread() const
+{
+    return d_func()->threadData->thread;
+}
+
+/*!
+    Changes the thread affinity for this object and its children. The
+    object cannot be moved if it has a parent. Event processing will
+    continue in the \a targetThread.
+
+    To move an object to the main thread, use QApplication::instance()
+    to retrieve a pointer to the current application, and then use
+    QApplication::thread() to retrieve the thread in which the
+    application lives. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 7
+
+    If \a targetThread is zero, all event processing for this object
+    and its children stops.
+
+    Note that all active timers for the object will be reset. The
+    timers are first stopped in the current thread and restarted (with
+    the same interval) in the \a targetThread. As a result, constantly
+    moving an object between threads can postpone timer events
+    indefinitely.
+
+    A QEvent::ThreadChange event is sent to this object just before
+    the thread affinity is changed. You can handle this event to
+    perform any special processing. Note that any new events that are
+    posted to this object will be handled in the \a targetThread.
+
+    \warning This function is \e not thread-safe; the current thread
+    must be same as the current thread affinity. In other words, this
+    function can only "push" an object from the current thread to
+    another thread, it cannot "pull" an object from any arbitrary
+    thread to the current thread.
+
+    \sa thread()
+ */
+void QObject::moveToThread(QThread *targetThread)
+{
+    Q_D(QObject);
+
+    if (d->threadData->thread == targetThread) {
+        // object is already in this thread
+        return;
+    }
+
+    if (d->parent != 0) {
+        qWarning("QObject::moveToThread: Cannot move objects with a parent");
+        return;
+    }
+    if (d->isWidget) {
+        qWarning("QObject::moveToThread: Widgets cannot be moved to a new thread");
+        return;
+    }
+
+    QThreadData *currentData = QThreadData::current();
+    QThreadData *targetData = targetThread ? QThreadData::get2(targetThread) : new QThreadData(0);
+    if (d->threadData->thread == 0 && currentData == targetData) {
+        // one exception to the rule: we allow moving objects with no thread affinity to the current thread
+        currentData = d->threadData;
+    } else if (d->threadData != currentData) {
+        qWarning("QObject::moveToThread: Current thread (%p) is not the object's thread (%p).\n"
+                 "Cannot move to target thread (%p)\n",
+                 d->threadData->thread, currentData->thread, targetData->thread);
+
+#ifdef Q_WS_MAC
+        qWarning("On Mac OS X, you might be loading two sets of Qt binaries into the same process. "
+                 "Check that all plugins are compiled against the right Qt binaries. Export "
+                 "DYLD_PRINT_LIBRARIES=1 and check that only one set of binaries are being loaded.");
+#endif
+
+        return;
+    }
+
+    // prepare to move
+    d->moveToThread_helper();
+
+    QOrderedMutexLocker locker(&currentData->postEventList.mutex,
+                               &targetData->postEventList.mutex);
+
+    // keep currentData alive (since we've got it locked)
+    currentData->ref();
+
+    // move the object
+    d_func()->setThreadData_helper(currentData, targetData);
+
+    locker.unlock();
+
+    // now currentData can commit suicide if it wants to
+    currentData->deref();
+}
+
+void QObjectPrivate::moveToThread_helper()
+{
+    Q_Q(QObject);
+    QEvent e(QEvent::ThreadChange);
+    QCoreApplication::sendEvent(q, &e);
+    for (int i = 0; i < children.size(); ++i) {
+        QObject *child = children.at(i);
+        child->d_func()->moveToThread_helper();
+    }
+}
+
+void QObjectPrivate::setThreadData_helper(QThreadData *currentData, QThreadData *targetData)
+{
+    Q_Q(QObject);
+
+    // move posted events
+    int eventsMoved = 0;
+    for (int i = 0; i < currentData->postEventList.size(); ++i) {
+        const QPostEvent &pe = currentData->postEventList.at(i);
+        if (!pe.event)
+            continue;
+        if (pe.receiver == q) {
+            // move this post event to the targetList
+            targetData->postEventList.append(pe);
+            const_cast<QPostEvent &>(pe).event = 0;
+            ++eventsMoved;
+        }
+    }
+    if (eventsMoved > 0 && targetData->eventDispatcher)
+        targetData->eventDispatcher->wakeUp();
+
+    // the current emitting thread shouldn't restore currentSender after calling moveToThread()
+    if (currentSender)
+        currentSender->ref = 0;
+    currentSender = 0;
+
+    // the current event thread also shouldn't restore the delete watch
+    inEventHandler = false;
+    if (deleteWatch)
+        *deleteWatch = 1;
+    deleteWatch = 0;
+
+    // set new thread data
+    targetData->ref();
+    threadData->deref();
+    threadData = targetData;
+
+    for (int i = 0; i < children.size(); ++i) {
+        QObject *child = children.at(i);
+        child->d_func()->setThreadData_helper(currentData, targetData);
+    }
+}
+
+void QObjectPrivate::_q_reregisterTimers(void *pointer)
+{
+    Q_Q(QObject);
+    QList<QPair<int, int> > *timerList = reinterpret_cast<QList<QPair<int, int> > *>(pointer);
+    QAbstractEventDispatcher *eventDispatcher = threadData->eventDispatcher;
+    for (int i = 0; i < timerList->size(); ++i) {
+        const QPair<int, int> &pair = timerList->at(i);
+        eventDispatcher->registerTimer(pair.first, pair.second, q);
+    }
+    delete timerList;
+}
+
+
+//
+// The timer flag hasTimer is set when startTimer is called.
+// It is not reset when killing the timer because more than
+// one timer might be active.
+//
+
+/*!
+    Starts a timer and returns a timer identifier, or returns zero if
+    it could not start a timer.
+
+    A timer event will occur every \a interval milliseconds until
+    killTimer() is called. If \a interval is 0, then the timer event
+    occurs once every time there are no more window system events to
+    process.
+
+    The virtual timerEvent() function is called with the QTimerEvent
+    event parameter class when a timer event occurs. Reimplement this
+    function to get timer events.
+
+    If multiple timers are running, the QTimerEvent::timerId() can be
+    used to find out which timer was activated.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 8
+
+    Note that QTimer's accuracy depends on the underlying operating
+    system and hardware. Most platforms support an accuracy of 20
+    milliseconds; some provide more. If Qt is unable to deliver the
+    requested number of timer events, it will silently discard some.
+
+    The QTimer class provides a high-level programming interface with
+    single-shot timers and timer signals instead of events. There is
+    also a QBasicTimer class that is more lightweight than QTimer and
+    less clumsy than using timer IDs directly.
+
+    \sa timerEvent(), killTimer(), QTimer::singleShot()
+*/
+
+int QObject::startTimer(int interval)
+{
+    Q_D(QObject);
+
+    if (interval < 0) {
+        qWarning("QObject::startTimer: QTimer cannot have a negative interval");
+        return 0;
+    }
+
+    d->pendTimer = true;                                // set timer flag
+
+    if (!d->threadData->eventDispatcher) {
+        qWarning("QObject::startTimer: QTimer can only be used with threads started with QThread");
+        return 0;
+    }
+    return d->threadData->eventDispatcher->registerTimer(interval, this);
+}
+
+/*!
+    Kills the timer with timer identifier, \a id.
+
+    The timer identifier is returned by startTimer() when a timer
+    event is started.
+
+    \sa timerEvent(), startTimer()
+*/
+
+void QObject::killTimer(int id)
+{
+    Q_D(QObject);
+    if (d->threadData->eventDispatcher)
+        d->threadData->eventDispatcher->unregisterTimer(id);
+}
+
+
+/*!
+    \fn QObject *QObject::parent() const
+
+    Returns a pointer to the parent object.
+
+    \sa children()
+*/
+
+/*!
+    \fn const QObjectList &QObject::children() const
+
+    Returns a list of child objects.
+    The QObjectList class is defined in the \c{<QObject>} header
+    file as the following:
+
+    \quotefromfile src/corelib/kernel/qobject.h
+    \skipto /typedef .*QObjectList/
+    \printuntil QObjectList
+
+    The first child added is the \l{QList::first()}{first} object in
+    the list and the last child added is the \l{QList::last()}{last}
+    object in the list, i.e. new children are appended at the end.
+
+    Note that the list order changes when QWidget children are
+    \l{QWidget::raise()}{raised} or \l{QWidget::lower()}{lowered}. A
+    widget that is raised becomes the last object in the list, and a
+    widget that is lowered becomes the first object in the list.
+
+    \sa findChild(), findChildren(), parent(), setParent()
+*/
+
+#ifdef QT3_SUPPORT
+static void objSearch(QObjectList &result,
+                       const QObjectList &list,
+                       const char  *inheritsClass,
+                       bool onlyWidgets,
+                       const char  *objName,
+                       QRegExp           *rx,
+                       bool            recurse)
+{
+    for (int i = 0; i < list.size(); ++i) {
+        QObject *obj = list.at(i);
+        if (!obj)
+            continue;
+        bool ok = true;
+        if (onlyWidgets)
+            ok = obj->isWidgetType();
+        else if (inheritsClass && !obj->inherits(inheritsClass))
+            ok = false;
+        if (ok) {
+            if (objName)
+                ok = (obj->objectName() == QLatin1String(objName));
+#ifndef QT_NO_REGEXP
+            else if (rx)
+                ok = (rx->indexIn(obj->objectName()) != -1);
+#endif
+        }
+        if (ok)                                // match!
+            result.append(obj);
+        if (recurse) {
+            QObjectList clist = obj->children();
+            if (!clist.isEmpty())
+                objSearch(result, clist, inheritsClass,
+                           onlyWidgets, objName, rx, recurse);
+        }
+    }
+}
+
+/*!
+    \internal
+
+    Searches the children and optionally grandchildren of this object,
+    and returns a list of those objects that are named or that match
+    \a objName and inherit \a inheritsClass. If \a inheritsClass is 0
+    (the default), all classes match. If \a objName is 0 (the
+    default), all object names match.
+
+    If \a regexpMatch is true (the default), \a objName is a regular
+    expression that the objects's names must match. The syntax is that
+    of a QRegExp. If \a regexpMatch is false, \a objName is a string
+    and object names must match it exactly.
+
+    Note that \a inheritsClass uses single inheritance from QObject,
+    the way inherits() does. According to inherits(), QWidget
+    inherits QObject but not QPaintDevice. This does not quite match
+    reality, but is the best that can be done on the wide variety of
+    compilers Qt supports.
+
+    Finally, if \a recursiveSearch is true (the default), queryList()
+    searches \e{n}th-generation as well as first-generation children.
+
+    If all this seems a bit complex for your needs, the simpler
+    child() function may be what you want.
+
+    This somewhat contrived example disables all the buttons in this
+    window:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 9
+
+    \warning Delete the list as soon you have finished using it. The
+    list contains pointers that may become invalid at almost any time
+    without notice (as soon as the user closes a window you may have
+    dangling pointers, for example).
+
+    \sa child() children(), parent(), inherits(), objectName(), QRegExp
+*/
+
+QObjectList QObject::queryList(const char *inheritsClass,
+                                const char *objName,
+                                bool regexpMatch,
+                                bool recursiveSearch) const
+{
+    Q_D(const QObject);
+    QObjectList list;
+    bool onlyWidgets = (inheritsClass && qstrcmp(inheritsClass, "QWidget") == 0);
+#ifndef QT_NO_REGEXP
+    if (regexpMatch && objName) {                // regexp matching
+        QRegExp rx(QString::fromLatin1(objName));
+        objSearch(list, d->children, inheritsClass, onlyWidgets, 0, &rx, recursiveSearch);
+    } else
+#endif
+    {
+        objSearch(list, d->children, inheritsClass, onlyWidgets, objName, 0, recursiveSearch);
+    }
+    return list;
+}
+#endif
+
+/*!
+    \fn T *QObject::findChild(const QString &name) const
+
+    Returns the child of this object that can be cast into type T and
+    that is called \a name, or 0 if there is no such object.
+    Omitting the \a name argument causes all object names to be matched.
+    The search is performed recursively.
+
+    If there is more than one child matching the search, the most
+    direct ancestor is returned. If there are several direct
+    ancestors, it is undefined which one will be returned. In that
+    case, findChildren() should be used.
+
+    This example returns a child \l{QPushButton} of \c{parentWidget}
+    named \c{"button1"}:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 10
+
+    This example returns a \l{QListWidget} child of \c{parentWidget}:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 11
+
+    \warning This function is not available with MSVC 6. Use
+    qFindChild() instead if you need to support that version of the
+    compiler.
+
+    \sa findChildren(), qFindChild()
+*/
+
+/*!
+    \fn QList<T> QObject::findChildren(const QString &name) const
+
+    Returns all children of this object with the given \a name that can be
+    cast to type T, or an empty list if there are no such objects.
+    Omitting the \a name argument causes all object names to be matched.
+    The search is performed recursively.
+
+    The following example shows how to find a list of child \l{QWidget}s of
+    the specified \c{parentWidget} named \c{widgetname}:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 12
+
+    This example returns all \c{QPushButton}s that are children of \c{parentWidget}:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 13
+
+    \warning This function is not available with MSVC 6. Use
+    qFindChildren() instead if you need to support that version of the
+    compiler.
+
+    \sa findChild(), qFindChildren()
+*/
+
+/*!
+    \fn QList<T> QObject::findChildren(const QRegExp &regExp) const
+    \overload findChildren()
+
+    Returns the children of this object that can be cast to type T
+    and that have names matching the regular expression \a regExp,
+    or an empty list if there are no such objects.
+    The search is performed recursively.
+
+    \warning This function is not available with MSVC 6. Use
+    qFindChildren() instead if you need to support that version of the
+    compiler.
+*/
+
+/*!
+    \fn T qFindChild(const QObject *obj, const QString &name)
+    \relates QObject
+
+    This function is equivalent to
+    \a{obj}->\l{QObject::findChild()}{findChild}<T>(\a name). It is
+    provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+
+    \sa QObject::findChild()
+*/
+
+/*!
+    \fn QList<T> qFindChildren(const QObject *obj, const QString &name)
+    \relates QObject
+
+    This function is equivalent to
+    \a{obj}->\l{QObject::findChildren()}{findChildren}<T>(\a name). It is
+    provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+
+    \sa QObject::findChildren()
+*/
+
+/*!
+    \fn QList<T> qFindChildren(const QObject *obj, const QRegExp &regExp)
+    \relates QObject
+    \overload qFindChildren()
+
+    This function is equivalent to
+    \a{obj}->\l{QObject::findChildren()}{findChildren}<T>(\a regExp). It is
+    provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+*/
+
+/*!
+    \internal
+    \fn T qFindChild(const QObject *obj, const QString &name = QString(), T dummy = 0)
+    \relates QObject
+    \overload qFindChildren()
+
+    This function is equivalent to
+    \a{obj}->\l{QObject::findChild()}{findChild}<T>(\a name). It is
+    provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+
+    \sa QObject::findChild()
+*/
+
+/*!
+    \internal
+    \fn QList<T> qFindChildren(const QObject *obj, const QString &name = QString(), T dummy = 0)
+    \relates QObject
+    \overload qFindChildren()
+
+    This function is equivalent to
+    \a{obj}->\l{QObject::findChildren()}{findChildren}<T>(\a name). It is
+    provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+
+    \sa QObject::findChildren()
+*/
+
+/*!
+    \internal
+*/
+void qt_qFindChildren_helper(const QObject *parent, const QString &name, const QRegExp *re,
+                         const QMetaObject &mo, QList<void*> *list)
+{
+    if (!parent || !list)
+        return;
+    const QObjectList &children = parent->children();
+    QObject *obj;
+    for (int i = 0; i < children.size(); ++i) {
+        obj = children.at(i);
+        if (mo.cast(obj)) {
+            if (re) {
+                if (re->indexIn(obj->objectName()) != -1)
+                    list->append(obj);
+            } else {
+                if (name.isNull() || obj->objectName() == name)
+                    list->append(obj);
+            }
+        }
+        qt_qFindChildren_helper(obj, name, re, mo, list);
+    }
+}
+
+/*! \internal
+ */
+QObject *qt_qFindChild_helper(const QObject *parent, const QString &name, const QMetaObject &mo)
+{
+    if (!parent)
+        return 0;
+    const QObjectList &children = parent->children();
+    QObject *obj;
+    int i;
+    for (i = 0; i < children.size(); ++i) {
+        obj = children.at(i);
+        if (mo.cast(obj) && (name.isNull() || obj->objectName() == name))
+            return obj;
+    }
+    for (i = 0; i < children.size(); ++i) {
+        obj = qt_qFindChild_helper(children.at(i), name, mo);
+        if (obj)
+            return obj;
+    }
+    return 0;
+}
+
+/*!
+    Makes the object a child of \a parent.
+
+    \sa QWidget::setParent()
+*/
+
+void QObject::setParent(QObject *parent)
+{
+    Q_D(QObject);
+    Q_ASSERT(!d->isWidget);
+    d->setParent_helper(parent);
+}
+
+void QObjectPrivate::deleteChildren()
+{
+    const bool reallyWasDeleted = wasDeleted;
+    wasDeleted = true;
+    // delete children objects
+    // don't use qDeleteAll as the destructor of the child might
+    // delete siblings
+    for (int i = 0; i < children.count(); ++i) {
+        currentChildBeingDeleted = children.at(i);
+        children[i] = 0;
+        delete currentChildBeingDeleted;
+    }
+    children.clear();
+    currentChildBeingDeleted = 0;
+    wasDeleted = reallyWasDeleted;
+}
+
+void QObjectPrivate::setParent_helper(QObject *o)
+{
+    Q_Q(QObject);
+    if (o == parent)
+        return;
+    if (parent) {
+        QObjectPrivate *parentD = parent->d_func();
+        if (parentD->wasDeleted && wasDeleted
+            && parentD->currentChildBeingDeleted == q) {
+            // don't do anything since QObjectPrivate::deleteChildren() already
+            // cleared our entry in parentD->children.
+        } else {
+            const int index = parentD->children.indexOf(q);
+            if (parentD->wasDeleted) {
+                parentD->children[index] = 0;
+            } else {
+                parentD->children.removeAt(index);
+                if (sendChildEvents && parentD->receiveChildEvents) {
+                    QChildEvent e(QEvent::ChildRemoved, q);
+                    QCoreApplication::sendEvent(parent, &e);
+                }
+            }
+        }
+    }
+    parent = o;
+    if (parent) {
+        // object hierarchies are constrained to a single thread
+        if (threadData != parent->d_func()->threadData) {
+            qWarning("QObject::setParent: Cannot set parent, new parent is in a different thread");
+            parent = 0;
+            return;
+        }
+        parent->d_func()->children.append(q);
+        if(sendChildEvents && parent->d_func()->receiveChildEvents) {
+            if (!isWidget) {
+                QChildEvent e(QEvent::ChildAdded, q);
+                QCoreApplication::sendEvent(parent, &e);
+#ifdef QT3_SUPPORT
+                if (parent->d_func()->pendingChildInsertedEvents.isEmpty()) {
+                    QCoreApplication::postEvent(parent,
+                                                new QEvent(QEvent::ChildInsertedRequest),
+                                                Qt::HighEventPriority);
+                }
+                parent->d_func()->pendingChildInsertedEvents.append(q);
+#endif
+            }
+        }
+    }
+}
+
+/*!
+    \fn void QObject::installEventFilter(QObject *filterObj)
+
+    Installs an event filter \a filterObj on this object. For example:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 14
+
+    An event filter is an object that receives all events that are
+    sent to this object. The filter can either stop the event or
+    forward it to this object. The event filter \a filterObj receives
+    events via its eventFilter() function. The eventFilter() function
+    must return true if the event should be filtered, (i.e. stopped);
+    otherwise it must return false.
+
+    If multiple event filters are installed on a single object, the
+    filter that was installed last is activated first.
+
+    Here's a \c KeyPressEater class that eats the key presses of its
+    monitored objects:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 15
+
+    And here's how to install it on two widgets:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 16
+
+    The QShortcut class, for example, uses this technique to intercept
+    shortcut key presses.
+
+    \warning If you delete the receiver object in your eventFilter()
+    function, be sure to return true. If you return false, Qt sends
+    the event to the deleted object and the program will crash.
+
+    Note that the filtering object must be in the same thread as this
+    object. If \a filterObj is in a different thread, this function does
+    nothing. If either \a filterObj or this object are moved to a different
+    thread after calling this function, the event filter will not be
+    called until both objects have the same thread affinity again (it
+    is \e not removed).
+
+    \sa removeEventFilter(), eventFilter(), event()
+*/
+
+void QObject::installEventFilter(QObject *obj)
+{
+    Q_D(QObject);
+    if (!obj)
+        return;
+    if (d->threadData != obj->d_func()->threadData) {
+        qWarning("QObject::installEventFilter(): Cannot filter events for objects in a different thread.");
+        return;
+    }
+
+    // clean up unused items in the list
+    d->eventFilters.removeAll((QObject*)0);
+    d->eventFilters.removeAll(obj);
+    d->eventFilters.prepend(obj);
+}
+
+/*!
+    Removes an event filter object \a obj from this object. The
+    request is ignored if such an event filter has not been installed.
+
+    All event filters for this object are automatically removed when
+    this object is destroyed.
+
+    It is always safe to remove an event filter, even during event
+    filter activation (i.e. from the eventFilter() function).
+
+    \sa installEventFilter(), eventFilter(), event()
+*/
+
+void QObject::removeEventFilter(QObject *obj)
+{
+    Q_D(QObject);
+    for (int i = 0; i < d->eventFilters.count(); ++i) {
+        if (d->eventFilters.at(i) == obj)
+            d->eventFilters[i] = 0;
+    }
+}
+
+
+/*!
+    \fn QObject::destroyed(QObject *obj)
+
+    This signal is emitted immediately before the object \a obj is
+    destroyed, and can not be blocked.
+
+    All the objects's children are destroyed immediately after this
+    signal is emitted.
+
+    \sa deleteLater(), QPointer
+*/
+
+/*!
+    Schedules this object for deletion.
+
+    The object will be deleted when control returns to the event
+    loop. If the event loop is not running when this function is
+    called (e.g. deleteLater() is called on an object before
+    QCoreApplication::exec()), the object will be deleted once the
+    event loop is started.
+
+    Note that entering and leaving a new event loop (e.g., by opening a modal
+    dialog) will \e not perform the deferred deletion; for the object to be
+    deleted, the control must return to the event loop from which
+    deleteLater() was called.
+
+    \bold{Note:} It is safe to call this function more than once; when the
+    first deferred deletion event is delivered, any pending events for the
+    object are removed from the event queue.
+
+    \sa destroyed(), QPointer
+*/
+void QObject::deleteLater()
+{
+    QCoreApplication::postEvent(this, new QEvent(QEvent::DeferredDelete));
+}
+
+/*!
+    \fn QString QObject::tr(const char *sourceText, const char *disambiguation, int n)
+    \reentrant
+
+    Returns a translated version of \a sourceText, optionally based on a
+    \a disambiguation string and value of \a n for strings containing plurals;
+    otherwise returns \a sourceText itself if no appropriate translated string
+    is available.
+
+    See the sections below on Disambiguation and Handling Plurals for more
+    information about the optional \a disambiguation and \a n parameters.
+
+    QObject and its subclasses obtain translated strings from any translator
+    objects that have been installed on the application object; see the
+    QTranslator documentation for details about this mechanism.
+
+    A translatable string is referenced by its translation context;
+    this is the name of the QObject subclass whose tr() function is invoked,
+    as in the following example:
+
+    \snippet mainwindows/sdi/mainwindow.cpp implicit tr context
+    \dots
+
+    Here, the context is \c MainWindow because it is the \c MainWindow::tr()
+    function that is invoked. Translation contexts can be given explicitly
+    by fully qualifying the call to tr(); for example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp explicit tr context
+
+    This call obtains the translated text for "Page up" from the \c QScrollBar
+    context.
+
+    \section1 Defining Translation Contexts
+
+    The translation context for QObject and each QObject subclass is the
+    class name itself. Developers subclassing QObject must use the
+    Q_OBJECT macro in their class definition to override the translation
+    context. This macro sets the context to the name of the subclass.
+
+    If Q_OBJECT is not used in a class definition, the context will be
+    inherited from the base class. For example, since all QObject-based
+    classes in Qt provide a context, a new QWidget subclass defined without
+    a Q_OBJECT macro will use the "QWidget" context if its tr() function
+    is invoked.
+
+    \section1 Translator Comments
+
+    Developers can include information about each translatable string to
+    help translators with the translation process. These are extracted
+    when \l lupdate is used to process the source files. The recommended
+    way to add comments is to annotate the tr() calls in your code with
+    comments of the form:
+
+    \tt{//: ...}
+
+    or
+
+    \tt{/*: ... \starslash}
+
+    Examples:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 40
+
+    In these examples, the comments will be associated with the strings
+    passed to tr() in the context of each call.
+
+    \section1 Disambiguation
+
+    If the same \a sourceText is used in different roles within the
+    same context, an additional identifying string may be passed in
+    \a disambiguation (0 by default). In Qt 4.4 and earlier, this was
+    the preferred way to pass comments to translators.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 17
+
+    \section1 Character Encodings
+
+    You can set the encoding for \a sourceText by calling QTextCodec::setCodecForTr().
+    By default \a sourceText is assumed to be in Latin-1 encoding.
+
+    \section1 Handling Plurals
+
+    If \a n >= 0, all occurrences of \c %n in the resulting string
+    are replaced with a decimal representation of \a n. In addition,
+    depending on \a n's value, the translation text may vary.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 18
+
+    The table below shows what string is returned depending on the
+    active translation:
+
+    \table
+    \header \o      \o{3,1} Active Translation
+    \header \o \a n \o No Translation        \o French                                 \o English
+    \row    \o 0    \o "0 message(s) saved"  \o "0 message sauvegard\unicode{0xE9}"    \o "0 message\bold{s} saved"
+    \row    \o 1    \o "1 message(s) saved"  \o "1 message sauvegard\unicode{0xE9}"    \o "1 message saved"
+    \row    \o 2    \o "2 message(s) saved"  \o "2 message\bold{s} sauvegard\unicode{0xE9}\bold{s}"  \o "2 message\bold{s} saved"
+    \row    \o 37   \o "37 message(s) saved" \o "37 message\bold{s} sauvegard\unicode{0xE9}\bold{s}" \o "37 message\bold{s} saved"
+    \endtable
+
+    This idiom is more flexible than the traditional approach; e.g.,
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 19
+
+    because it also works with target languages that have several
+    plural forms (e.g., Irish has a special "dual" form that should
+    be used when \c n is 2), and it handles the \e n == 0 case
+    correctly for languages such as French that require the singular.
+    See the \l{Qt Linguist Manual} for details.
+
+    Instead of \c %n, you can use \c %Ln to produce a localized
+    representation of \a n. The conversion uses the default locale,
+    set using QLocale::setDefault(). (If no default locale was
+    specified, the "C" locale is used.)
+
+    \warning This method is reentrant only if all translators are
+    installed \e before calling this method. Installing or removing
+    translators while performing translations is not supported. Doing
+    so will probably result in crashes or other undesirable behavior.
+
+    \sa trUtf8(), QApplication::translate(), QTextCodec::setCodecForTr(), {Internationalization with Qt}
+*/
+
+/*!
+    \fn QString QObject::trUtf8(const char *sourceText, const char *disambiguation, int n)
+    \reentrant
+
+    Returns a translated version of \a sourceText, or
+    QString::fromUtf8(\a sourceText) if there is no appropriate
+    version. It is otherwise identical to tr(\a sourceText, \a
+    disambiguation, \a n).
+
+    Note that using the Utf8 variants of the translation functions
+    is not required if \c CODECFORTR is already set to UTF-8 in the
+    qmake project file and QTextCodec::setCodecForTr("UTF-8") is
+    used.
+
+    \warning This method is reentrant only if all translators are
+    installed \e before calling this method. Installing or removing
+    translators while performing translations is not supported. Doing
+    so will probably result in crashes or other undesirable behavior.
+
+    \warning For portability reasons, we recommend that you use
+    escape sequences for specifying non-ASCII characters in string
+    literals to trUtf8(). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 20
+
+    \sa tr(), QApplication::translate(), {Internationalization with Qt}
+*/
+
+
+
+
+/*****************************************************************************
+  Signals and slots
+ *****************************************************************************/
+
+
+const int flagged_locations_count = 2;
+static const char* flagged_locations[flagged_locations_count] = {0};
+
+const char *qFlagLocation(const char *method)
+{
+    static int idx = 0;
+    flagged_locations[idx] = method;
+    idx = (idx+1) % flagged_locations_count;
+    return method;
+}
+
+static int extract_code(const char *member)
+{
+    // extract code, ensure QMETHOD_CODE <= code <= QSIGNAL_CODE
+    return (((int)(*member) - '0') & 0x3);
+}
+
+static const char * extract_location(const char *member)
+{
+    for (int i = 0; i < flagged_locations_count; ++i) {
+        if (member == flagged_locations[i]) {
+            // signature includes location information after the first null-terminator
+            const char *location = member + qstrlen(member) + 1;
+            if (*location != '\0')
+                return location;
+            return 0;
+        }
+    }
+    return 0;
+}
+
+static bool check_signal_macro(const QObject *sender, const char *signal,
+                                const char *func, const char *op)
+{
+    int sigcode = extract_code(signal);
+    if (sigcode != QSIGNAL_CODE) {
+        if (sigcode == QSLOT_CODE)
+            qWarning("Object::%s: Attempt to %s non-signal %s::%s",
+                     func, op, sender->metaObject()->className(), signal+1);
+        else
+            qWarning("Object::%s: Use the SIGNAL macro to %s %s::%s",
+                     func, op, sender->metaObject()->className(), signal);
+        return false;
+    }
+    return true;
+}
+
+static bool check_method_code(int code, const QObject *object,
+                               const char *method, const char *func)
+{
+    if (code != QSLOT_CODE && code != QSIGNAL_CODE) {
+        qWarning("Object::%s: Use the SLOT or SIGNAL macro to "
+                 "%s %s::%s", func, func, object->metaObject()->className(), method);
+        return false;
+    }
+    return true;
+}
+
+static void err_method_notfound(const QObject *object,
+                                const char *method, const char *func)
+{
+    const char *type = "method";
+    switch (extract_code(method)) {
+        case QSLOT_CODE:   type = "slot";   break;
+        case QSIGNAL_CODE: type = "signal"; break;
+    }
+    const char *loc = extract_location(method);
+    if (strchr(method,')') == 0)                // common typing mistake
+        qWarning("Object::%s: Parentheses expected, %s %s::%s%s%s",
+                 func, type, object->metaObject()->className(), method+1,
+                 loc ? " in ":"\0", loc ? loc : "\0");
+    else
+        qWarning("Object::%s: No such %s %s::%s%s%s",
+                 func, type, object->metaObject()->className(), method+1,
+                 loc ? " in ":"\0", loc ? loc : "\0");
+
+}
+
+
+static void err_info_about_objects(const char * func,
+                                    const QObject * sender,
+                                    const QObject * receiver)
+{
+    QString a = sender ? sender->objectName() : QString();
+    QString b = receiver ? receiver->objectName() : QString();
+    if (!a.isEmpty())
+        qWarning("Object::%s:  (sender name:   '%s')", func, a.toLocal8Bit().data());
+    if (!b.isEmpty())
+        qWarning("Object::%s:  (receiver name: '%s')", func, b.toLocal8Bit().data());
+}
+
+/*!
+    Returns a pointer to the object that sent the signal, if called in
+    a slot activated by a signal; otherwise it returns 0. The pointer
+    is valid only during the execution of the slot that calls this
+    function from this object's thread context.
+
+    The pointer returned by this function becomes invalid if the
+    sender is destroyed, or if the slot is disconnected from the
+    sender's signal.
+
+    \warning This function violates the object-oriented principle of
+    modularity. However, getting access to the sender might be useful
+    when many signals are connected to a single slot.
+
+    \warning As mentioned above, the return value of this function is
+    not valid when the slot is called via a Qt::DirectConnection from
+    a thread different from this object's thread. Do not use this
+    function in this type of scenario.
+
+    \sa QSignalMapper
+*/
+
+QObject *QObject::sender() const
+{
+    Q_D(const QObject);
+
+    QMutexLocker(&d->threadData->mutex);
+    if (!d->currentSender)
+        return 0;
+
+    // Return 0 if d->currentSender isn't in d->senders
+    bool found = false;
+    for (int i = 0; !found && i < d->senders.count(); ++i)
+        found = (d->senders.at(i).sender == d->currentSender->sender);
+    if (!found)
+        return 0;
+    return d->currentSender->sender;
+}
+
+/*!
+    Returns the number of receivers connected to the \a signal.
+
+    Since both slots and signals can be used as receivers for signals,
+    and the same connections can be made many times, the number of
+    receivers is the same as the number of connections made from this
+    signal.
+
+    When calling this function, you can use the \c SIGNAL() macro to
+    pass a specific signal:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 21
+
+    As the code snippet above illustrates, you can use this function
+    to avoid emitting a signal that nobody listens to.
+
+    \warning This function violates the object-oriented principle of
+    modularity. However, it might be useful when you need to perform
+    expensive initialization only if something is connected to a
+    signal.
+*/
+
+int QObject::receivers(const char *signal) const
+{
+    int receivers = 0;
+    if (signal) {
+        QByteArray signal_name = QMetaObject::normalizedSignature(signal);
+        signal = signal_name;
+#ifndef QT_NO_DEBUG
+        if (!check_signal_macro(this, signal, "receivers", "bind"))
+            return 0;
+#endif
+        signal++; // skip code
+        const QMetaObject *smeta = this->metaObject();
+        int signal_index = smeta->indexOfSignal(signal);
+        if (signal_index < 0) {
+#ifndef QT_NO_DEBUG
+            err_method_notfound(this, signal-1, "receivers");
+#endif
+            return false;
+        }
+
+        Q_D(const QObject);
+        QMutexLocker locker(&d->threadData->mutex);
+        if (d->connectionLists) {
+            if (signal_index < d->connectionLists->count()) {
+                const QObjectPrivate::ConnectionList &connectionList =
+                    d->connectionLists->at(signal_index);
+                for (int i = 0; i < connectionList.count(); ++i) {
+                    const QObjectPrivate::Connection &c = connectionList.at(i);
+                    receivers += c.receiver ? 1 : 0;
+                }
+            }
+        }
+    }
+    return receivers;
+}
+
+/*!
+    \threadsafe
+
+    Creates a connection of the given \a type from the \a signal in
+    the \a sender object to the \a method in the \a receiver object.
+    Returns true if the connection succeeds; otherwise returns false.
+
+    You must use the \c SIGNAL() and \c SLOT() macros when specifying
+    the \a signal and the \a method, for example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 22
+
+    This example ensures that the label always displays the current
+    scroll bar value. Note that the signal and slots parameters must not
+    contain any variable names, only the type. E.g. the following would
+    not work and return false:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 23
+
+    A signal can also be connected to another signal:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 24
+
+    In this example, the \c MyWidget constructor relays a signal from
+    a private member variable, and makes it available under a name
+    that relates to \c MyWidget.
+
+    A signal can be connected to many slots and signals. Many signals
+    can be connected to one slot.
+
+    If a signal is connected to several slots, the slots are activated
+    in an arbitrary order when the signal is emitted.
+
+    The function returns true if it successfully connects the signal
+    to the slot. It will return false if it cannot create the
+    connection, for example, if QObject is unable to verify the
+    existence of either \a signal or \a method, or if their signatures
+    aren't compatible.
+
+    For every connection you make, a signal is emitted; two signals are emitted
+    for duplicate connections. You can break all of these connections with a
+    single disconnect() call.
+
+    The optional \a type parameter describes the type of connection
+    to establish. In particular, it determines whether a particular
+    signal is delivered to a slot immediately or queued for delivery
+    at a later time. If the signal is queued, the parameters must be
+    of types that are known to Qt's meta-object system, because Qt
+    needs to copy the arguments to store them in an event behind the
+    scenes. If you try to use a queued connection and get the error
+    message
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 25
+
+    call qRegisterMetaType() to register the data type before you
+    establish the connection.
+
+    \sa disconnect(), sender(), qRegisterMetaType()
+*/
+
+bool QObject::connect(const QObject *sender, const char *signal,
+                      const QObject *receiver, const char *method,
+                      Qt::ConnectionType type)
+{
+    {
+        const void *cbdata[] = { sender, signal, receiver, method, &type };
+        if (QInternal::activateCallbacks(QInternal::ConnectCallback, (void **) cbdata))
+            return true;
+    }
+
+#ifndef QT_NO_DEBUG
+    bool warnCompat = true;
+#endif
+    if (type == Qt::AutoCompatConnection) {
+        type = Qt::AutoConnection;
+#ifndef QT_NO_DEBUG
+        warnCompat = false;
+#endif
+    }
+
+    if (sender == 0 || receiver == 0 || signal == 0 || method == 0) {
+        qWarning("QObject::connect: Cannot connect %s::%s to %s::%s",
+                 sender ? sender->metaObject()->className() : "(null)",
+                 (signal && *signal) ? signal+1 : "(null)",
+                 receiver ? receiver->metaObject()->className() : "(null)",
+                 (method && *method) ? method+1 : "(null)");
+        return false;
+    }
+    QByteArray tmp_signal_name;
+
+    if (!check_signal_macro(sender, signal, "connect", "bind"))
+        return false;
+    const QMetaObject *smeta = sender->metaObject();
+    const char *signal_arg = signal;
+    ++signal; //skip code
+    int signal_index = smeta->indexOfSignal(signal);
+    if (signal_index < 0) {
+        // check for normalized signatures
+        tmp_signal_name = QMetaObject::normalizedSignature(signal - 1);
+        signal = tmp_signal_name.constData() + 1;
+
+        signal_index = smeta->indexOfSignal(signal);
+        if (signal_index < 0) {
+            err_method_notfound(sender, signal_arg, "connect");
+            err_info_about_objects("connect", sender, receiver);
+            return false;
+        }
+    }
+
+    QByteArray tmp_method_name;
+    int membcode = extract_code(method);
+
+    if (!check_method_code(membcode, receiver, method, "connect"))
+        return false;
+    const char *method_arg = method;
+    ++method; // skip code
+
+    const QMetaObject *rmeta = receiver->metaObject();
+    int method_index = -1;
+    switch (membcode) {
+    case QSLOT_CODE:
+        method_index = rmeta->indexOfSlot(method);
+        break;
+    case QSIGNAL_CODE:
+        method_index = rmeta->indexOfSignal(method);
+        break;
+    }
+    if (method_index < 0) {
+        // check for normalized methods
+        tmp_method_name = QMetaObject::normalizedSignature(method);
+        method = tmp_method_name.constData();
+        switch (membcode) {
+        case QSLOT_CODE:
+            method_index = rmeta->indexOfSlot(method);
+            break;
+        case QSIGNAL_CODE:
+            method_index = rmeta->indexOfSignal(method);
+            break;
+        }
+    }
+
+    if (method_index < 0) {
+        err_method_notfound(receiver, method_arg, "connect");
+        err_info_about_objects("connect", sender, receiver);
+        return false;
+    }
+    if (!QMetaObject::checkConnectArgs(signal, method)) {
+        qWarning("QObject::connect: Incompatible sender/receiver arguments"
+                 "\n        %s::%s --> %s::%s",
+                 sender->metaObject()->className(), signal,
+                 receiver->metaObject()->className(), method);
+        return false;
+    }
+
+    int *types = 0;
+    if ((type == Qt::QueuedConnection || type == Qt::BlockingQueuedConnection)
+            && !(types = queuedConnectionTypes(smeta->method(signal_index).parameterTypes())))
+        return false;
+
+#ifndef QT_NO_DEBUG
+    {
+        QMetaMethod smethod = smeta->method(signal_index);
+        QMetaMethod rmethod = rmeta->method(method_index);
+        if (warnCompat) {
+            if(smethod.attributes() & QMetaMethod::Compatibility) {
+                if (!(rmethod.attributes() & QMetaMethod::Compatibility))
+                    qWarning("QObject::connect: Connecting from COMPAT signal (%s::%s)", smeta->className(), signal);
+            } else if(rmethod.attributes() & QMetaMethod::Compatibility && membcode != QSIGNAL_CODE) {
+                qWarning("QObject::connect: Connecting from %s::%s to COMPAT slot (%s::%s)",
+                         smeta->className(), signal, rmeta->className(), method);
+            }
+        }
+    }
+#endif
+    QMetaObject::connect(sender, signal_index, receiver, method_index, type, types);
+    const_cast<QObject*>(sender)->connectNotify(signal - 1);
+    return true;
+}
+
+
+/*!
+    \fn bool QObject::connect(const QObject *sender, const char *signal, const char *method, Qt::ConnectionType type) const
+    \overload connect()
+    \threadsafe
+
+    Connects \a signal from the \a sender object to this object's \a
+    method.
+
+    Equivalent to connect(\a sender, \a signal, \c this, \a method, \a type).
+
+    Every connection you make emits a signal, so duplicate connections emit
+    two signals. You can break a connection using disconnect().
+
+    \sa disconnect()
+*/
+
+/*!
+    \threadsafe
+
+    Disconnects \a signal in object \a sender from \a method in object
+    \a receiver. Returns true if the connection is successfully broken;
+    otherwise returns false.
+
+    A signal-slot connection is removed when either of the objects
+    involved are destroyed.
+
+    disconnect() is typically used in three ways, as the following
+    examples demonstrate.
+    \list 1
+    \i Disconnect everything connected to an object's signals:
+
+       \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 26
+
+       equivalent to the non-static overloaded function
+
+       \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 27
+
+    \i Disconnect everything connected to a specific signal:
+
+       \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 28
+
+       equivalent to the non-static overloaded function
+
+       \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 29
+
+    \i Disconnect a specific receiver:
+
+       \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 30
+
+       equivalent to the non-static overloaded function
+
+       \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 31
+
+    \endlist
+
+    0 may be used as a wildcard, meaning "any signal", "any receiving
+    object", or "any slot in the receiving object", respectively.
+
+    The \a sender may never be 0. (You cannot disconnect signals from
+    more than one object in a single call.)
+
+    If \a signal is 0, it disconnects \a receiver and \a method from
+    any signal. If not, only the specified signal is disconnected.
+
+    If \a receiver is 0, it disconnects anything connected to \a
+    signal. If not, slots in objects other than \a receiver are not
+    disconnected.
+
+    If \a method is 0, it disconnects anything that is connected to \a
+    receiver. If not, only slots named \a method will be disconnected,
+    and all other slots are left alone. The \a method must be 0 if \a
+    receiver is left out, so you cannot disconnect a
+    specifically-named slot on all objects.
+
+    \sa connect()
+*/
+bool QObject::disconnect(const QObject *sender, const char *signal,
+                         const QObject *receiver, const char *method)
+{
+    if (sender == 0 || (receiver == 0 && method != 0)) {
+        qWarning("Object::disconnect: Unexpected null parameter");
+        return false;
+    }
+
+    {
+        const void *cbdata[] = { sender, signal, receiver, method };
+        if (QInternal::activateCallbacks(QInternal::DisconnectCallback, (void **) cbdata))
+            return true;
+    }
+
+    const char *signal_arg = signal;
+    QByteArray signal_name;
+    bool signal_found = false;
+    if (signal) {
+        signal_name = QMetaObject::normalizedSignature(signal);
+        signal = signal_name;
+
+        if (!check_signal_macro(sender, signal, "disconnect", "unbind"))
+            return false;
+        signal++; // skip code
+    }
+
+    QByteArray method_name;
+    const char *method_arg = method;
+    int membcode = -1;
+    bool method_found = false;
+    if (method) {
+        method_name = QMetaObject::normalizedSignature(method);
+        method = method_name;
+        membcode = extract_code(method);
+        if (!check_method_code(membcode, receiver, method, "disconnect"))
+            return false;
+        method++; // skip code
+    }
+
+    /* We now iterate through all the sender's and receiver's meta
+     * objects in order to also disconnect possibly shadowed signals
+     * and slots with the same signature.
+    */
+    bool res = false;
+    const QMetaObject *smeta = sender->metaObject();
+    do {
+        int signal_index = -1;
+        if (signal) {
+            signal_index = smeta->indexOfSignal(signal);
+            if (signal_index < smeta->methodOffset())
+                continue;
+            signal_found = true;
+        }
+
+        if (!method) {
+            res |= QMetaObject::disconnect(sender, signal_index, receiver, -1);
+        } else {
+            const QMetaObject *rmeta = receiver->metaObject();
+            do {
+                int method_index = rmeta->indexOfMethod(method);
+                if (method_index >= 0)
+                    while (method_index < rmeta->methodOffset())
+                            rmeta = rmeta->superClass();
+                if (method_index < 0)
+                    break;
+                res |= QMetaObject::disconnect(sender, signal_index, receiver, method_index);
+                method_found = true;
+            } while ((rmeta = rmeta->superClass()));
+        }
+    } while (signal && (smeta = smeta->superClass()));
+
+    if (signal && !signal_found) {
+        err_method_notfound(sender, signal_arg, "disconnect");
+        err_info_about_objects("disconnect", sender, receiver);
+    } else if (method && !method_found) {
+        err_method_notfound(receiver, method_arg, "disconnect");
+        err_info_about_objects("disconnect", sender, receiver);
+    }
+    if (res)
+        const_cast<QObject*>(sender)->disconnectNotify(signal ? (signal - 1) : 0);
+    return res;
+}
+
+
+/*!
+    \threadsafe
+
+    \fn bool QObject::disconnect(const char *signal, const QObject *receiver, const char *method)
+    \overload disconnect()
+
+    Disconnects \a signal from \a method of \a receiver.
+
+    A signal-slot connection is removed when either of the objects
+    involved are destroyed.
+*/
+
+/*!
+    \fn bool QObject::disconnect(const QObject *receiver, const char *method)
+    \overload disconnect()
+
+    Disconnects all signals in this object from \a receiver's \a
+    method.
+
+    A signal-slot connection is removed when either of the objects
+    involved are destroyed.
+*/
+
+
+/*!
+    \fn void QObject::connectNotify(const char *signal)
+
+    This virtual function is called when something has been connected
+    to \a signal in this object.
+
+    If you want to compare \a signal with a specific signal, use
+    QLatin1String and the \c SIGNAL() macro as follows:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 32
+
+    If the signal contains multiple parameters or parameters that
+    contain spaces, call QMetaObject::normalizedSignature() on
+    the result of the \c SIGNAL() macro.
+
+    \warning This function violates the object-oriented principle of
+    modularity. However, it might be useful when you need to perform
+    expensive initialization only if something is connected to a
+    signal.
+
+    \sa connect(), disconnectNotify()
+*/
+
+void QObject::connectNotify(const char *)
+{
+}
+
+/*!
+    \fn void QObject::disconnectNotify(const char *signal)
+
+    This virtual function is called when something has been
+    disconnected from \a signal in this object.
+
+    See connectNotify() for an example of how to compare
+    \a signal with a specific signal.
+
+    \warning This function violates the object-oriented principle of
+    modularity. However, it might be useful for optimizing access to
+    expensive resources.
+
+    \sa disconnect(), connectNotify()
+*/
+
+void QObject::disconnectNotify(const char *)
+{
+}
+
+/*!\internal
+
+  \a types is a 0-terminated vector of meta types for queued
+  connections.
+
+  if \a signal_index is -1, then we effectively connect *all* signals
+  from the sender to the receiver's slot
+*/
+bool QMetaObject::connect(const QObject *sender, int signal_index,
+                          const QObject *receiver, int method_index, int type, int *types)
+{
+    QObject *s = const_cast<QObject *>(sender);
+    QObject *r = const_cast<QObject *>(receiver);
+
+    QOrderedMutexLocker locker(&s->d_func()->threadData->mutex,
+                               &r->d_func()->threadData->mutex);
+
+#if defined(Q_CC_HPACC) && defined(QT_ARCH_PARISC)
+    QObjectPrivate::Connection c;
+    c.receiver = r;
+    c.method = method_index;
+    c.connectionType = type;
+    c.argumentTypes = types;
+#else
+    QObjectPrivate::Connection c = { r, method_index, type, Q_BASIC_ATOMIC_INITIALIZER(types) };
+#endif
+    s->d_func()->addConnection(signal_index, &c);
+    r->d_func()->refSender(s, signal_index);
+
+    if (signal_index < 0)
+        sender->d_func()->connectedSignals = ~0u;
+    else if (signal_index < 32)
+        sender->d_func()->connectedSignals |= (1 << signal_index);
+
+    return true;
+}
+
+
+/*!\internal
+ */
+bool QMetaObject::disconnect(const QObject *sender, int signal_index,
+                             const QObject *receiver, int method_index)
+{
+    if (!sender)
+        return false;
+
+    QObject *s = const_cast<QObject *>(sender);
+    QObject *r = const_cast<QObject *>(receiver);
+
+    QMutex *senderMutex = &s->d_func()->threadData->mutex;
+    QMutex *receiverMutex = r ? &r->d_func()->threadData->mutex : 0;
+    QOrderedMutexLocker locker(senderMutex, receiverMutex);
+
+    QObjectConnectionListVector *connectionLists = s->d_func()->connectionLists;
+    if (!connectionLists)
+        return false;
+
+    // prevent incoming connections changing the connectionLists while unlocked
+    ++connectionLists->inUse;
+
+    bool success = false;
+    if (signal_index < 0) {
+        // remove from all connection lists
+        for (signal_index = -1; signal_index < connectionLists->count(); ++signal_index) {
+            QObjectPrivate::ConnectionList &connectionList = (*connectionLists)[signal_index];
+            for (int i = 0; i < connectionList.count(); ++i) {
+                QObjectPrivate::Connection *c = &connectionList[i];
+                if (c->receiver
+                    && (r == 0 || (c->receiver == r
+                                   && (method_index < 0 || c->method == method_index)))) {
+                    QMutex *m = &c->receiver->d_func()->threadData->mutex;
+                    if (!receiverMutex && senderMutex != m) {
+                        // need to relock this receiver and sender in the correct order
+                        bool needToUnlock = QOrderedMutexLocker::relock(senderMutex, m);
+                        c = &connectionList[i];
+                        if (c->receiver)
+                            c->receiver->d_func()->derefSender(s, signal_index);
+                        if (needToUnlock)
+                            m->unlock();
+                    } else {
+                        // no need to unlock
+                        c->receiver->d_func()->derefSender(s, signal_index);
+                    }
+                    if (c->argumentTypes && c->argumentTypes != &DIRECT_CONNECTION_ONLY) {
+                        qFree(c->argumentTypes);
+                        c->argumentTypes = 0;
+                    }
+                    c->receiver = 0;
+
+                    success = true;
+                    connectionLists->dirty = true;
+                }
+            }
+        }
+    } else if (signal_index < connectionLists->count()) {
+        QObjectPrivate::ConnectionList &connectionList = (*connectionLists)[signal_index];
+        for (int i = 0; i < connectionList.count(); ++i) {
+            QObjectPrivate::Connection *c = &connectionList[i];
+            if (c->receiver
+                && (r == 0 || (c->receiver == r
+                               && (method_index < 0 || c->method == method_index)))) {
+                QMutex *m = &c->receiver->d_func()->threadData->mutex;
+                if (!receiverMutex && senderMutex != m) {
+                    // need to relock this receiver and sender in the correct order
+                    bool needToUnlock = QOrderedMutexLocker::relock(senderMutex, m);
+                    c = &connectionList[i];
+                    if (c->receiver)
+                        c->receiver->d_func()->derefSender(s, signal_index);
+                    if (needToUnlock)
+                        m->unlock();
+                } else {
+                    // no need to unlock
+                    c->receiver->d_func()->derefSender(s, signal_index);
+                }
+                if (c->argumentTypes && c->argumentTypes != &DIRECT_CONNECTION_ONLY) {
+                    qFree(c->argumentTypes);
+                    c->argumentTypes = 0;
+                }
+                c->receiver = 0;
+
+                success = true;
+                connectionLists->dirty = true;
+            }
+        }
+    }
+
+    --connectionLists->inUse;
+    Q_ASSERT(connectionLists->inUse >= 0);
+    if (connectionLists->orphaned && !connectionLists->inUse)
+        delete connectionLists;
+
+    return success;
+}
+
+/*!
+    \fn void QMetaObject::connectSlotsByName(QObject *object)
+
+    Searches recursively for all child objects of the given \a object, and connects
+    matching signals from them to slots of \a object that follow the following form:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 33
+
+    Let's assume our object has a child object of type QPushButton with
+    the \l{QObject::objectName}{object name} \c{button1}. The slot to catch the
+    button's \c{clicked()} signal would be:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 34
+
+    \sa QObject::setObjectName()
+ */
+void QMetaObject::connectSlotsByName(QObject *o)
+{
+    if (!o)
+        return;
+    const QMetaObject *mo = o->metaObject();
+    Q_ASSERT(mo);
+    const QObjectList list = qFindChildren<QObject *>(o, QString());
+    for (int i = 0; i < mo->methodCount(); ++i) {
+        const char *slot = mo->method(i).signature();
+        Q_ASSERT(slot);
+        if (slot[0] != 'o' || slot[1] != 'n' || slot[2] != '_')
+            continue;
+        bool foundIt = false;
+        for(int j = 0; j < list.count(); ++j) {
+            const QObject *co = list.at(j);
+            QByteArray objName = co->objectName().toAscii();
+            int len = objName.length();
+            if (!len || qstrncmp(slot + 3, objName.data(), len) || slot[len+3] != '_')
+                continue;
+            const QMetaObject *smo = co->metaObject();
+            int sigIndex = smo->indexOfMethod(slot + len + 4);
+            if (sigIndex < 0) { // search for compatible signals
+                int slotlen = qstrlen(slot + len + 4) - 1;
+                for (int k = 0; k < co->metaObject()->methodCount(); ++k) {
+                    if (smo->method(k).methodType() != QMetaMethod::Signal)
+                        continue;
+
+                    if (!qstrncmp(smo->method(k).signature(), slot + len + 4, slotlen)) {
+                        sigIndex = k;
+                        break;
+                    }
+                }
+            }
+            if (sigIndex < 0)
+                continue;
+            if (QMetaObject::connect(co, sigIndex, o, i)) {
+                foundIt = true;
+                break;
+            }
+        }
+        if (foundIt) {
+            // we found our slot, now skip all overloads
+            while (mo->method(i + 1).attributes() & QMetaMethod::Cloned)
+                  ++i;
+        } else if (!(mo->method(i).attributes() & QMetaMethod::Cloned)) {
+            qWarning("QMetaObject::connectSlotsByName: No matching signal for %s", slot);
+        }
+    }
+}
+
+static void queued_activate(QObject *sender, int signal, const QObjectPrivate::Connection &c,
+                            void **argv, QSemaphore *semaphore = 0)
+{
+    if (!c.argumentTypes || c.argumentTypes != &DIRECT_CONNECTION_ONLY) {
+        QMetaMethod m = sender->metaObject()->method(signal);
+        QObjectPrivate::Connection &x = const_cast<QObjectPrivate::Connection &>(c);
+        int *tmp = queuedConnectionTypes(m.parameterTypes());
+        if (!tmp) // cannot queue arguments
+            tmp = &DIRECT_CONNECTION_ONLY;
+        if (!x.argumentTypes.testAndSetOrdered(0, tmp)) {
+            if (tmp != &DIRECT_CONNECTION_ONLY)
+                qFree(tmp);
+        }
+    }
+    if (c.argumentTypes == &DIRECT_CONNECTION_ONLY) // cannot activate
+        return;
+    int nargs = 1; // include return type
+    while (c.argumentTypes[nargs-1])
+        ++nargs;
+    int *types = (int *) qMalloc(nargs*sizeof(int));
+    void **args = (void **) qMalloc(nargs*sizeof(void *));
+    types[0] = 0; // return type
+    args[0] = 0; // return value
+    for (int n = 1; n < nargs; ++n)
+        args[n] = QMetaType::construct((types[n] = c.argumentTypes[n-1]), argv[n]);
+    QCoreApplication::postEvent(c.receiver, new QMetaCallEvent(c.method,
+                                                               sender,
+                                                               signal,
+                                                               nargs,
+                                                               types,
+                                                               args,
+                                                               semaphore));
+}
+
+static void blocking_activate(QObject *sender, int signal, const QObjectPrivate::Connection &c, void **argv)
+{
+    if (QThread::currentThread() == c.receiver->thread()) {
+        qWarning("Qt: Dead lock detected while activating a BlockingQueuedConnection: "
+                 "Sender is %s(%p), receiver is %s(%p)",
+                 sender->metaObject()->className(), sender,
+                 c.receiver->metaObject()->className(), c.receiver);
+    }
+
+#ifdef QT_NO_THREAD
+    queued_activate(sender, signal, c, argv);
+#else
+    QSemaphore semaphore;
+    queued_activate(sender, signal, c, argv, &semaphore);
+    QMutex *mutex = &QThreadData::get2(sender->thread())->mutex;
+    mutex->unlock();
+    semaphore.acquire();
+    mutex->lock();
+#endif
+}
+
+/*!\internal
+ */
+void QMetaObject::activate(QObject *sender, int from_signal_index, int to_signal_index, void **argv)
+{
+    if (sender->d_func()->blockSig)
+        return;
+
+    void *empty_argv[] = { 0 };
+    if (qt_signal_spy_callback_set.signal_begin_callback != 0) {
+        qt_signal_spy_callback_set.signal_begin_callback(sender, from_signal_index,
+                                                         argv ? argv : empty_argv);
+    }
+
+    QMutexLocker locker(&sender->d_func()->threadData->mutex);
+    QThreadData *currentThreadData = QThreadData::current();
+
+    QObjectConnectionListVector *connectionLists = sender->d_func()->connectionLists;
+    if (!connectionLists) {
+        if (qt_signal_spy_callback_set.signal_end_callback != 0)
+            qt_signal_spy_callback_set.signal_end_callback(sender, from_signal_index);
+        return;
+    }
+    ++connectionLists->inUse;
+
+    // emit signals in the following order: from_signal_index <= signals <= to_signal_index, signal < 0
+    for (int signal = from_signal_index;
+         (signal >= from_signal_index && signal <= to_signal_index) || (signal == -2);
+         (signal == to_signal_index ? signal = -2 : ++signal))
+    {
+        if (signal >= connectionLists->count()) {
+            signal = to_signal_index;
+            continue;
+        }
+        int count = connectionLists->at(signal).count();
+        for (int i = 0; i < count; ++i) {
+            const QObjectPrivate::Connection *c = &connectionLists->at(signal)[i];
+            if (!c->receiver)
+                continue;
+
+            QObject * const receiver = c->receiver;
+
+            // determine if this connection should be sent immediately or
+            // put into the event queue
+            if ((c->connectionType == Qt::AutoConnection
+                 && (currentThreadData != sender->d_func()->threadData
+                     || receiver->d_func()->threadData != sender->d_func()->threadData))
+                || (c->connectionType == Qt::QueuedConnection)) {
+                queued_activate(sender, signal, *c, argv);
+                continue;
+            } else if (c->connectionType == Qt::BlockingQueuedConnection) {
+                blocking_activate(sender, signal, *c, argv);
+                continue;
+            }
+
+            const int method = c->method;
+            QObjectPrivate::Sender currentSender;
+            currentSender.sender = sender;
+            currentSender.signal = signal < 0 ? from_signal_index : signal;
+            currentSender.ref = 1;
+            QObjectPrivate::Sender *previousSender = 0;
+            if (currentThreadData == receiver->d_func()->threadData)
+                previousSender = QObjectPrivate::setCurrentSender(receiver, &currentSender);
+            locker.unlock();
+
+            if (qt_signal_spy_callback_set.slot_begin_callback != 0) {
+                qt_signal_spy_callback_set.slot_begin_callback(receiver,
+                                                               method,
+                                                               argv ? argv : empty_argv);
+            }
+
+#if defined(QT_NO_EXCEPTIONS)
+            receiver->qt_metacall(QMetaObject::InvokeMetaMethod, method, argv ? argv : empty_argv);
+#else
+            try {
+                receiver->qt_metacall(QMetaObject::InvokeMetaMethod, method, argv ? argv : empty_argv);
+            } catch (...) {
+                locker.relock();
+
+                QObjectPrivate::resetCurrentSender(receiver, &currentSender, previousSender);
+
+                --connectionLists->inUse;
+                Q_ASSERT(connectionLists->inUse >= 0);
+                if (connectionLists->orphaned && !connectionLists->inUse)
+                    delete connectionLists;
+                throw;
+            }
+#endif
+
+            locker.relock();
+
+            if (qt_signal_spy_callback_set.slot_end_callback != 0)
+                qt_signal_spy_callback_set.slot_end_callback(receiver, method);
+
+            QObjectPrivate::resetCurrentSender(receiver, &currentSender, previousSender);
+
+            if (connectionLists->orphaned)
+                break;
+        }
+
+        if (connectionLists->orphaned)
+            break;
+    }
+
+    --connectionLists->inUse;
+    Q_ASSERT(connectionLists->inUse >= 0);
+    if (connectionLists->orphaned) {
+        if (!connectionLists->inUse)
+            delete connectionLists;
+    } else {
+        sender->d_func()->cleanConnectionLists();
+    }
+
+    locker.unlock();
+
+    if (qt_signal_spy_callback_set.signal_end_callback != 0)
+        qt_signal_spy_callback_set.signal_end_callback(sender, from_signal_index);
+}
+
+
+/*!\internal
+ */
+void QMetaObject::activate(QObject *sender, int signal_index, void **argv)
+{
+    if (signal_index < 32
+        && !qt_signal_spy_callback_set.signal_begin_callback
+        && !qt_signal_spy_callback_set.signal_end_callback) {
+        uint signal_mask = 1 << signal_index;
+        if ((sender->d_func()->connectedSignals & signal_mask) == 0)
+            // nothing connected to these signals, and no spy
+            return;
+    }
+    activate(sender, signal_index, signal_index, argv);
+}
+
+/*!\internal
+ */
+void QMetaObject::activate(QObject *sender, const QMetaObject *m, int local_signal_index,
+                           void **argv)
+{
+    int signal_index = m->methodOffset() + local_signal_index;
+    if (signal_index < 32
+        && !qt_signal_spy_callback_set.signal_begin_callback
+        && !qt_signal_spy_callback_set.signal_end_callback) {
+        uint signal_mask = 1 << signal_index;
+        if ((sender->d_func()->connectedSignals & signal_mask) == 0)
+            // nothing connected to these signals, and no spy
+            return;
+    }
+    activate(sender, signal_index, signal_index, argv);
+}
+
+/*!\internal
+ */
+void QMetaObject::activate(QObject *sender, const QMetaObject *m,
+                           int from_local_signal_index, int to_local_signal_index, void **argv)
+{
+    int offset = m->methodOffset();
+    int from_signal_index = offset + from_local_signal_index;
+    int to_signal_index = offset + to_local_signal_index;
+    if (to_signal_index < 32
+        && !qt_signal_spy_callback_set.signal_begin_callback
+        && !qt_signal_spy_callback_set.signal_end_callback) {
+        uint signal_mask = (1 << (to_signal_index + 1)) - 1;
+        signal_mask ^= (1 << from_signal_index) - 1;
+        if ((sender->d_func()->connectedSignals & signal_mask) == 0)
+            // nothing connected to these signals, and no spy
+            return;
+    }
+    activate(sender, from_signal_index, to_signal_index, argv);
+}
+
+
+/*****************************************************************************
+  Properties
+ *****************************************************************************/
+
+#ifndef QT_NO_PROPERTIES
+
+/*!
+  Sets the value of the object's \a name property to \a value.
+
+  If the property is defined in the class using Q_PROPERTY then
+  true is returned on success and false otherwise. If the property
+  is not defined using Q_PROPERTY, and therefore not listed in the
+  meta-object, it is added as a dynamic property and false is returned.
+
+  Information about all available properties is provided through the
+  metaObject() and dynamicPropertyNames().
+
+  Dynamic properties can be queried again using property() and can be
+  removed by setting the property value to an invalid QVariant.
+  Changing the value of a dynamic property causes a QDynamicPropertyChangeEvent
+  to be sent to the object.
+
+  \bold{Note:} Dynamic properties starting with "_q_" are reserved for internal
+  purposes.
+
+  \sa property(), metaObject(), dynamicPropertyNames()
+*/
+bool QObject::setProperty(const char *name, const QVariant &value)
+{
+    Q_D(QObject);
+    const QMetaObject* meta = metaObject();
+    if (!name || !meta)
+        return false;
+
+    int id = meta->indexOfProperty(name);
+    if (id < 0) {
+        if (!d->extraData)
+            d->extraData = new QObjectPrivate::ExtraData;
+
+        const int idx = d->extraData->propertyNames.indexOf(name);
+
+        if (!value.isValid()) {
+            if (idx == -1)
+                return false;
+            d->extraData->propertyNames.removeAt(idx);
+            d->extraData->propertyValues.removeAt(idx);
+        } else {
+            if (idx == -1) {
+                d->extraData->propertyNames.append(name);
+                d->extraData->propertyValues.append(value);
+            } else {
+                d->extraData->propertyValues[idx] = value;
+            }
+        }
+
+        QDynamicPropertyChangeEvent ev(name);
+        QCoreApplication::sendEvent(this, &ev);
+
+        return false;
+    }
+    QMetaProperty p = meta->property(id);
+#ifndef QT_NO_DEBUG
+    if (!p.isWritable())
+        qWarning("%s::setProperty: Property \"%s\" invalid,"
+                 " read-only or does not exist", metaObject()->className(), name);
+#endif
+    return p.write(this, value);
+}
+
+/*!
+  Returns the value of the object's \a name property.
+
+  If no such property exists, the returned variant is invalid.
+
+  Information about all available properties is provided through the
+  metaObject() and dynamicPropertyNames().
+
+  \sa setProperty(), QVariant::isValid(), metaObject(), dynamicPropertyNames()
+*/
+QVariant QObject::property(const char *name) const
+{
+    Q_D(const QObject);
+    const QMetaObject* meta = metaObject();
+    if (!name || !meta)
+        return QVariant();
+
+    int id = meta->indexOfProperty(name);
+    if (id < 0) {
+        if (!d->extraData)
+            return QVariant();
+        const int i = d->extraData->propertyNames.indexOf(name);
+        return d->extraData->propertyValues.value(i);
+    }
+    QMetaProperty p = meta->property(id);
+#ifndef QT_NO_DEBUG
+    if (!p.isReadable())
+        qWarning("%s::property: Property \"%s\" invalid or does not exist",
+                 metaObject()->className(), name);
+#endif
+    return p.read(this);
+}
+
+/*!
+    \since 4.2
+
+    Returns the names of all properties that were dynamically added to
+    the object using setProperty().
+*/
+QList<QByteArray> QObject::dynamicPropertyNames() const
+{
+    Q_D(const QObject);
+    if (d->extraData)
+        return d->extraData->propertyNames;
+    return QList<QByteArray>();
+}
+
+#endif // QT_NO_PROPERTIES
+
+
+/*****************************************************************************
+  QObject debugging output routines.
+ *****************************************************************************/
+
+static void dumpRecursive(int level, QObject *object)
+{
+#if defined(QT_DEBUG)
+    if (object) {
+        QByteArray buf;
+        buf.fill(' ', level / 2 * 8);
+        if (level % 2)
+            buf += "    ";
+        QString name = object->objectName();
+        QString flags = QLatin1String("");
+#if 0
+        if (qApp->focusWidget() == object)
+            flags += 'F';
+        if (object->isWidgetType()) {
+            QWidget * w = (QWidget *)object;
+            if (w->isVisible()) {
+                QString t("<%1,%2,%3,%4>");
+                flags += t.arg(w->x()).arg(w->y()).arg(w->width()).arg(w->height());
+            } else {
+                flags += 'I';
+            }
+        }
+#endif
+        qDebug("%s%s::%s %s", (const char*)buf, object->metaObject()->className(), name.toLocal8Bit().data(),
+               flags.toLatin1().data());
+        QObjectList children = object->children();
+        if (!children.isEmpty()) {
+            for (int i = 0; i < children.size(); ++i)
+                dumpRecursive(level+1, children.at(i));
+        }
+    }
+#else
+    Q_UNUSED(level)
+        Q_UNUSED(object)
+#endif
+}
+
+/*!
+    Dumps a tree of children to the debug output.
+
+    This function is useful for debugging, but does nothing if the
+    library has been compiled in release mode (i.e. without debugging
+    information).
+
+    \sa dumpObjectInfo()
+*/
+
+void QObject::dumpObjectTree()
+{
+    dumpRecursive(0, this);
+}
+
+/*!
+    Dumps information about signal connections, etc. for this object
+    to the debug output.
+
+    This function is useful for debugging, but does nothing if the
+    library has been compiled in release mode (i.e. without debugging
+    information).
+
+    \sa dumpObjectTree()
+*/
+
+void QObject::dumpObjectInfo()
+{
+#if defined(QT_DEBUG)
+    qDebug("OBJECT %s::%s", metaObject()->className(),
+           objectName().isEmpty() ? "unnamed" : objectName().toLocal8Bit().data());
+
+    Q_D(QObject);
+    QMutexLocker locker(&d->threadData->mutex);
+
+    // first, look for connections where this object is the sender
+    qDebug("  SIGNALS OUT");
+
+    if (d->connectionLists) {
+        for (int signal_index = 0; signal_index < d->connectionLists->count(); ++signal_index) {
+            const QMetaMethod signal = metaObject()->method(signal_index);
+            qDebug("        signal: %s", signal.signature());
+
+            // receivers
+            const QObjectPrivate::ConnectionList &connectionList = d->connectionLists->at(signal_index);
+            for (int i = 0; i < connectionList.count(); ++i) {
+                const QObjectPrivate::Connection &c = connectionList.at(i);
+                if (!c.receiver) {
+                    qDebug("          <Disconnected receiver>");
+                    continue;
+                }
+                const QMetaObject *receiverMetaObject = c.receiver->metaObject();
+                const QMetaMethod method = receiverMetaObject->method(c.method);
+                qDebug("          --> %s::%s %s",
+                       receiverMetaObject->className(),
+                       c.receiver->objectName().isEmpty() ? "unnamed" : qPrintable(c.receiver->objectName()),
+                       method.signature());
+            }
+        }
+    } else {
+        qDebug( "        <None>" );
+    }
+
+    // now look for connections where this object is the receiver
+    qDebug("  SIGNALS IN");
+
+    if (!d->senders.isEmpty()) {
+        for (int i = 0; i < d->senders.count(); ++i) {
+            const QObjectPrivate::Sender &s = d->senders.at(i);
+            const QMetaObject *senderMetaObject = s.sender->metaObject();
+            const QMetaMethod signal = senderMetaObject->method(s.signal);
+            qDebug("          <-- %s::%s %s",
+                   senderMetaObject->className(),
+                   s.sender->objectName().isEmpty() ? "unnamed" : qPrintable(s.sender->objectName()),
+                   signal.signature());
+        }
+    } else {
+	qDebug("        <None>");
+    }
+#endif
+}
+
+#ifndef QT_NO_USERDATA
+/*!\internal
+ */
+uint QObject::registerUserData()
+{
+    static int user_data_registration = 0;
+    return user_data_registration++;
+}
+
+/*!\internal
+ */
+QObjectUserData::~QObjectUserData()
+{
+}
+
+/*!\internal
+ */
+void QObject::setUserData(uint id, QObjectUserData* data)
+{
+    Q_D(QObject);
+    if (!d->extraData)
+        d->extraData = new QObjectPrivate::ExtraData;
+
+    if (d->extraData->userData.size() <= (int) id)
+        d->extraData->userData.resize((int) id + 1);
+    d->extraData->userData[id] = data;
+}
+
+/*!\internal
+ */
+QObjectUserData* QObject::userData(uint id) const
+{
+    Q_D(const QObject);
+    if (!d->extraData)
+        return 0;
+    if ((int)id < d->extraData->userData.size())
+        return d->extraData->userData.at(id);
+    return 0;
+}
+
+#endif // QT_NO_USERDATA
+
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QObject *o) {
+#ifndef Q_BROKEN_DEBUG_STREAM
+    if (!o)
+        return dbg << "QObject(0x0) ";
+    dbg.nospace() << o->metaObject()->className() << "(" << (void *)o;
+    if (!o->objectName().isEmpty())
+        dbg << ", name = " << o->objectName();
+    dbg << ')';
+    return dbg.space();
+#else
+    qWarning("This compiler doesn't support streaming QObject to QDebug");
+    return dbg;
+    Q_UNUSED(o);
+#endif
+}
+#endif
+
+/*!
+  \fn void QObject::insertChild(QObject *object)
+
+  Use setParent() instead, i.e., call object->setParent(this).
+*/
+
+/*!
+  \fn void QObject::removeChild(QObject *object)
+
+  Use setParent() instead, i.e., call object->setParent(0).
+*/
+
+/*!
+  \fn bool QObject::isA(const char *className) const
+
+  Compare \a className with the object's metaObject()->className() instead.
+*/
+
+/*!
+  \fn const char *QObject::className() const
+
+  Use metaObject()->className() instead.
+*/
+
+/*!
+  \fn const char *QObject::name() const
+
+  Use objectName() instead.
+*/
+
+/*!
+  \fn const char *QObject::name(const char *defaultName) const
+
+  Use objectName() instead.
+*/
+
+/*!
+  \fn void QObject::setName(const char *name)
+
+  Use setObjectName() instead.
+*/
+
+/*!
+  \fn bool QObject::checkConnectArgs(const char *signal, const
+  QObject *object, const char *method)
+
+  Use QMetaObject::checkConnectArgs() instead.
+*/
+
+/*!
+  \fn QByteArray QObject::normalizeSignalSlot(const char *signalSlot)
+
+  Use QMetaObject::normalizedSignature() instead.
+*/
+
+/*!
+  \fn const char *QMetaObject::superClassName() const
+
+  \internal
+*/
+
+/*!
+    \macro Q_CLASSINFO(Name, Value)
+    \relates QObject
+
+    This macro associates extra information to the class, which is
+    available using QObject::metaObject(). Except for the ActiveQt
+    extension, Qt doesn't use this information.
+
+    The extra information takes the form of a \a Name string and a \a
+    Value literal string.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 35
+
+    \sa QMetaObject::classInfo()
+*/
+
+/*!
+    \macro Q_INTERFACES(...)
+    \relates QObject
+
+    This macro tells Qt which interfaces the class implements. This
+    is used when implementing plugins.
+
+    Example:
+
+    \snippet examples/tools/plugandpaintplugins/basictools/basictoolsplugin.h 1
+    \dots
+    \snippet examples/tools/plugandpaintplugins/basictools/basictoolsplugin.h 3
+
+    See the \l{tools/plugandpaintplugins/basictools}{Plug & Paint
+    Basic Tools} example for details.
+
+    \sa Q_DECLARE_INTERFACE(), Q_EXPORT_PLUGIN2(), {How to Create Qt Plugins}
+*/
+
+/*!
+    \macro Q_PROPERTY(...)
+    \relates QObject
+
+    This macro is used for declaring properties in classes that
+    inherit QObject. Properties behave like class data members, but
+    they have additional features accessible through the \l
+    {Meta-Object System}.
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 36
+
+    The property name and type and the \c READ function are required.
+    The type can be any type supported by QVariant, or it can be a
+    user-defined type.  The other items are optional, but a \c WRITE
+    function is common.  The attributes default to true except \c USER,
+    which defaults to false.
+
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 37
+
+    For more details about how to use this macro, and a more detailed
+    example of its use, see the discussion on \l {Qt's Property System}.
+
+    \sa {Qt's Property System}
+*/
+
+/*!
+    \macro Q_ENUMS(...)
+    \relates QObject
+
+    This macro registers one or several enum types to the meta-object
+    system.
+
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 38
+
+    If you want to register an enum that is declared in another class,
+    the enum must be fully qualified with the name of the class
+    defining it. In addition, the class \e defining the enum has to
+    inherit QObject as well as declare the enum using Q_ENUMS().
+
+    \sa {Qt's Property System}
+*/
+
+/*!
+    \macro Q_FLAGS(...)
+    \relates QObject
+
+    This macro registers one or several \l{QFlags}{flags types} to the
+    meta-object system.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 39
+
+    \note This macro takes care of registering individual flag values
+    with the meta-object system, so it is unnecessary to use Q_ENUMS()
+    in addition to this macro.
+
+    \sa {Qt's Property System}
+*/
+
+/*!
+    \macro Q_OBJECT
+    \relates QObject
+
+    The Q_OBJECT macro must appear in the private section of a class
+    definition that declares its own signals and slots or that uses
+    other services provided by Qt's meta-object system.
+
+    For example:
+
+    \snippet doc/src/snippets/signalsandslots/signalsandslots.h 1
+    \codeline
+    \snippet doc/src/snippets/signalsandslots/signalsandslots.h 2
+    \snippet doc/src/snippets/signalsandslots/signalsandslots.h 3
+
+    \note This macro requires the class to be a subclass of QObject. Use
+    Q_GADGET instead of Q_OBJECT to enable the meta object system's support
+    for enums in a class that is not a QObject subclass. Q_GADGET makes a
+    class member, \c{staticMetaObject}, available.
+    \c{staticMetaObject} is of type QMetaObject and provides access to the
+    enums declared with Q_ENUMS.
+    Q_GADGET is provided only for C++.
+
+    \sa {Meta-Object System}, {Signals and Slots}, {Qt's Property System}
+*/
+
+/*!
+    \macro Q_SIGNALS
+    \relates QObject
+
+    Use this macro to replace the \c signals keyword in class
+    declarations, when you want to use Qt Signals and Slots with a
+    \l{3rd Party Signals and Slots} {3rd party signal/slot mechanism}.
+
+    The macro is normally used when \c no_keywords is specified with
+    the \c CONFIG variable in the \c .pro file, but it can be used
+    even when \c no_keywords is \e not specified.
+*/
+
+/*!
+    \macro Q_SIGNAL
+    \relates QObject
+
+    This is an additional macro that allows you to mark a single
+    function as a signal. It can be quite useful, especially when you
+    use a 3rd-party source code parser which doesn't understand a \c
+    signals or \c Q_SIGNALS groups.
+
+    Use this macro to replace the \c signals keyword in class
+    declarations, when you want to use Qt Signals and Slots with a
+    \l{3rd Party Signals and Slots} {3rd party signal/slot mechanism}.
+
+    The macro is normally used when \c no_keywords is specified with
+    the \c CONFIG variable in the \c .pro file, but it can be used
+    even when \c no_keywords is \e not specified.
+*/
+
+/*!
+    \macro Q_SLOTS
+    \relates QObject
+
+    Use this macro to replace the \c slots keyword in class
+    declarations, when you want to use Qt Signals and Slots with a
+    \l{3rd Party Signals and Slots} {3rd party signal/slot mechanism}.
+
+    The macro is normally used when \c no_keywords is specified with
+    the \c CONFIG variable in the \c .pro file, but it can be used
+    even when \c no_keywords is \e not specified.
+*/
+
+/*!
+    \macro Q_SLOT
+    \relates QObject
+
+    This is an additional macro that allows you to mark a single
+    function as a slot. It can be quite useful, especially when you
+    use a 3rd-party source code parser which doesn't understand a \c
+    slots or \c Q_SLOTS groups.
+
+    Use this macro to replace the \c slots keyword in class
+    declarations, when you want to use Qt Signals and Slots with a
+    \l{3rd Party Signals and Slots} {3rd party signal/slot mechanism}.
+
+    The macro is normally used when \c no_keywords is specified with
+    the \c CONFIG variable in the \c .pro file, but it can be used
+    even when \c no_keywords is \e not specified.
+*/
+
+/*!
+    \macro Q_EMIT
+    \relates QObject
+
+    Use this macro to replace the \c emit keyword for emitting
+    signals, when you want to use Qt Signals and Slots with a
+    \l{3rd Party Signals and Slots} {3rd party signal/slot mechanism}.
+
+    The macro is normally used when \c no_keywords is specified with
+    the \c CONFIG variable in the \c .pro file, but it can be used
+    even when \c no_keywords is \e not specified.
+*/
+
+/*!
+    \macro Q_INVOKABLE
+    \relates QObject
+
+    Apply this macro to definitions of member functions to allow them to
+    be invoked via the meta-object system. The macro is written before
+    the return type, as shown in the following example:
+
+    \snippet snippets/qmetaobject-invokable/window.h Window class with invokable method
+
+    The \c invokableMethod() function is marked up using Q_INVOKABLE, causing
+    it to be registered with the meta-object system and enabling it to be
+    invoked using QMetaObject::invokeMethod().
+    Since \c normalMethod() function is not registered in this way, it cannot
+    be invoked using QMetaObject::invokeMethod().
+*/
+
+/*!
+    \typedef QObjectList
+    \relates QObject
+
+    Synonym for QList<QObject *>.
+*/
+
+#ifdef QT_JAMBI_BUILD
+class QDPtrAccessor : public QObject {
+public:
+    QObjectData *d() const { return d_ptr; }
+};
+#endif
+
+void qDeleteInEventHandler(QObject *o)
+{
+#ifdef QT_JAMBI_BUILD
+    if (!o)
+        return;
+    ((QDPtrAccessor *) o)->d()->inEventHandler = false;
+#endif
+    delete o;
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qobject.cpp"
diff --git a/src/corelib/kernel/qobject.h b/src/corelib/kernel/qobject.h
new file mode 100644
index 0000000000..dbec0a6b1a
--- /dev/null
+++ b/src/corelib/kernel/qobject.h
@@ -0,0 +1,480 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QOBJECT_H
+#define QOBJECT_H
+
+#ifndef QT_NO_QOBJECT
+
+#include <QtCore/qobjectdefs.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qbytearray.h>
+#include <QtCore/qlist.h>
+#ifdef QT_INCLUDE_COMPAT
+#include <QtCore/qcoreevent.h>
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QEvent;
+class QTimerEvent;
+class QChildEvent;
+struct QMetaObject;
+class QVariant;
+class QObjectPrivate;
+class QObject;
+class QThread;
+class QWidget;
+#ifndef QT_NO_REGEXP
+class QRegExp;
+#endif
+#ifndef QT_NO_USERDATA
+class QObjectUserData;
+#endif
+
+typedef QList<QObject*> QObjectList;
+
+#if defined Q_CC_MSVC && _MSC_VER < 1300
+template<typename T> inline T qFindChild(const QObject *o, const QString &name = QString(), T = 0);
+template<typename T> inline QList<T> qFindChildren(const QObject *o, const QString &name = QString(), T = 0);
+# ifndef QT_NO_REGEXP
+template<typename T> inline QList<T> qFindChildren(const QObject *o, const QRegExp &re, T = 0);
+# endif
+#else
+template<typename T> inline T qFindChild(const QObject *, const QString & = QString());
+template<typename T> inline QList<T> qFindChildren(const QObject *, const QString & = QString());
+# ifndef QT_NO_REGEXP
+template<typename T> inline QList<T> qFindChildren(const QObject *, const QRegExp &);
+# endif
+#endif
+
+class QObjectData {
+public:
+    virtual ~QObjectData() = 0;
+    QObject *q_ptr;
+    QObject *parent;
+    QObjectList children;
+
+    uint isWidget : 1;
+    uint pendTimer : 1;
+    uint blockSig : 1;
+    uint wasDeleted : 1;
+    uint ownObjectName : 1;
+    uint sendChildEvents : 1;
+    uint receiveChildEvents : 1;
+    uint inEventHandler : 1;
+    uint inThreadChangeEvent : 1;
+    uint unused : 23;
+    int postedEvents;
+};
+
+
+class Q_CORE_EXPORT QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QString objectName READ objectName WRITE setObjectName)
+    Q_DECLARE_PRIVATE(QObject)
+
+public:
+    Q_INVOKABLE explicit QObject(QObject *parent=0);
+    virtual ~QObject();
+
+    virtual bool event(QEvent *);
+    virtual bool eventFilter(QObject *, QEvent *);
+
+#ifdef qdoc
+    static QString tr(const char *sourceText, const char *comment = 0, int n = -1);
+    static QString trUtf8(const char *sourceText, const char *comment = 0, int n = -1);
+    virtual const QMetaObject *metaObject() const;
+    static const QMetaObject staticMetaObject;
+#endif
+#ifdef QT_NO_TRANSLATION
+    static QString tr(const char *sourceText, const char *, int)
+        { return QString::fromLatin1(sourceText); }
+    static QString tr(const char *sourceText, const char * = 0)
+        { return QString::fromLatin1(sourceText); }
+#ifndef QT_NO_TEXTCODEC
+    static QString trUtf8(const char *sourceText, const char *, int)
+        { return QString::fromUtf8(sourceText); }
+    static QString trUtf8(const char *sourceText, const char * = 0)
+        { return QString::fromUtf8(sourceText); }
+#endif
+#endif //QT_NO_TRANSLATION
+
+    QString objectName() const;
+    void setObjectName(const QString &name);
+
+    inline bool isWidgetType() const { return d_ptr->isWidget; }
+
+    inline bool signalsBlocked() const { return d_ptr->blockSig; }
+    bool blockSignals(bool b);
+
+    QThread *thread() const;
+    void moveToThread(QThread *thread);
+
+    int startTimer(int interval);
+    void killTimer(int id);
+
+#ifndef QT_NO_MEMBER_TEMPLATES
+    template<typename T>
+    inline T findChild(const QString &aName = QString()) const
+    { return qFindChild<T>(this, aName); }
+
+    template<typename T>
+    inline QList<T> findChildren(const QString &aName = QString()) const
+    { return qFindChildren<T>(this, aName); }
+
+#ifndef QT_NO_REGEXP
+    template<typename T>
+    inline QList<T> findChildren(const QRegExp &re) const
+    { return qFindChildren<T>(this, re); }
+#endif
+#endif
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT QObject *child(const char *objName, const char *inheritsClass = 0,
+                   bool recursiveSearch = true) const;
+    QT3_SUPPORT QObjectList queryList(const char *inheritsClass = 0,
+                          const char *objName = 0,
+                          bool regexpMatch = true,
+                          bool recursiveSearch = true) const;
+#endif
+    inline const QObjectList &children() const { return d_ptr->children; }
+
+    void setParent(QObject *);
+    void installEventFilter(QObject *);
+    void removeEventFilter(QObject *);
+
+
+    static bool connect(const QObject *sender, const char *signal,
+                        const QObject *receiver, const char *member, Qt::ConnectionType =
+#ifdef qdoc
+                        Qt::AutoConnection
+#else
+#ifdef QT3_SUPPORT
+                        Qt::AutoCompatConnection
+#else
+                        Qt::AutoConnection
+#endif
+#endif
+        );
+    inline bool connect(const QObject *sender, const char *signal,
+                        const char *member, Qt::ConnectionType type =
+#ifdef qdoc
+                        Qt::AutoConnection
+#else
+#ifdef QT3_SUPPORT
+                        Qt::AutoCompatConnection
+#else
+                        Qt::AutoConnection
+#endif
+#endif
+        ) const;
+
+    static bool disconnect(const QObject *sender, const char *signal,
+                           const QObject *receiver, const char *member);
+    inline bool disconnect(const char *signal = 0,
+                           const QObject *receiver = 0, const char *member = 0)
+        { return disconnect(this, signal, receiver, member); }
+    inline bool disconnect(const QObject *receiver, const char *member = 0)
+        { return disconnect(this, 0, receiver, member); }
+
+    void dumpObjectTree();
+    void dumpObjectInfo();
+
+#ifndef QT_NO_PROPERTIES
+    bool setProperty(const char *name, const QVariant &value);
+    QVariant property(const char *name) const;
+    QList<QByteArray> dynamicPropertyNames() const;
+#endif // QT_NO_PROPERTIES
+
+#ifndef QT_NO_USERDATA
+    static uint registerUserData();
+    void setUserData(uint id, QObjectUserData* data);
+    QObjectUserData* userData(uint id) const;
+#endif // QT_NO_USERDATA
+
+Q_SIGNALS:
+    void destroyed(QObject * = 0);
+
+public:
+    inline QObject *parent() const { return d_ptr->parent; }
+
+    inline bool inherits(const char *classname) const
+        { return const_cast<QObject *>(this)->qt_metacast(classname) != 0; }
+
+public Q_SLOTS:
+    void deleteLater();
+
+protected:
+    QObject *sender() const;
+    int receivers(const char* signal) const;
+
+    virtual void timerEvent(QTimerEvent *);
+    virtual void childEvent(QChildEvent *);
+    virtual void customEvent(QEvent *);
+
+    virtual void connectNotify(const char *signal);
+    virtual void disconnectNotify(const char *signal);
+
+#ifdef QT3_SUPPORT
+public:
+    QT3_SUPPORT_CONSTRUCTOR QObject(QObject *parent, const char *name);
+    inline QT3_SUPPORT void insertChild(QObject *o)
+        { if (o) o->setParent(this); }
+    inline QT3_SUPPORT void removeChild(QObject *o)
+        { if (o) o->setParent(0); }
+    inline QT3_SUPPORT bool isA(const char *classname) const
+        { return qstrcmp(classname, metaObject()->className()) == 0; }
+    inline QT3_SUPPORT const char *className() const { return metaObject()->className(); }
+    inline QT3_SUPPORT const char *name() const { return objectName().latin1_helper(); }
+    inline QT3_SUPPORT const char *name(const char *defaultName) const
+        { QString s = objectName(); return s.isEmpty()?defaultName:s.latin1_helper(); }
+    inline QT3_SUPPORT void setName(const char *aName) { setObjectName(QLatin1String(aName)); }
+protected:
+    inline QT3_SUPPORT bool checkConnectArgs(const char *signal,
+                                  const QObject *,
+                                  const char *member)
+        { return QMetaObject::checkConnectArgs(signal, member); }
+    static inline QT3_SUPPORT QByteArray normalizeSignalSlot(const char *signalSlot)
+        { return QMetaObject::normalizedSignature(signalSlot); }
+#endif
+
+protected:
+    QObject(QObjectPrivate &dd, QObject *parent = 0);
+
+protected:
+    QObjectData *d_ptr;
+
+    static const QMetaObject staticQtMetaObject;
+
+    friend struct QMetaObject;
+    friend class QApplication;
+    friend class QApplicationPrivate;
+    friend class QCoreApplication;
+    friend class QCoreApplicationPrivate;
+    friend class QWidget;
+    friend class QThreadData;
+
+private:
+    Q_DISABLE_COPY(QObject)
+    Q_PRIVATE_SLOT(d_func(), void _q_reregisterTimers(void *))
+};
+
+inline bool QObject::connect(const QObject *asender, const char *asignal,
+                             const char *amember, Qt::ConnectionType atype) const
+{ return connect(asender, asignal, this, amember, atype); }
+
+#ifndef QT_NO_USERDATA
+class Q_CORE_EXPORT QObjectUserData {
+public:
+    virtual ~QObjectUserData();
+};
+#endif
+
+Q_CORE_EXPORT void qt_qFindChildren_helper(const QObject *parent, const QString &name, const QRegExp *re,
+                                           const QMetaObject &mo, QList<void *> *list);
+Q_CORE_EXPORT QObject *qt_qFindChild_helper(const QObject *parent, const QString &name, const QMetaObject &mo);
+
+#if defined Q_CC_MSVC && _MSC_VER < 1300
+
+template<typename T>
+inline T qFindChild(const QObject *o, const QString &name, T)
+{ return static_cast<T>(qt_qFindChild_helper(o, name, ((T)0)->staticMetaObject)); }
+
+template<typename T>
+inline QList<T> qFindChildren(const QObject *o, const QString &name, T)
+{
+    QList<T> list;
+    union {
+        QList<T> *typedList;
+        QList<void *> *voidList;
+    } u;
+    u.typedList = &list;
+    qt_qFindChildren_helper(o, name, 0, ((T)0)->staticMetaObject, u.voidList);
+    return list;
+}
+
+template<typename T>
+inline T qFindChild(const QObject *o, const QString &name)
+{ return qFindChild<T>(o, name, T(0)); }
+
+template<typename T>
+inline T qFindChild(const QObject *o)
+{ return qFindChild<T>(o, QString(), T(0)); }
+
+template<typename T>
+inline QList<T> qFindChildren(const QObject *o, const QString &name)
+{ return qFindChildren<T>(o, name, T(0)); }
+
+template<typename T>
+inline QList<T> qFindChildren(const QObject *o)
+{ return qFindChildren<T>(o, QString(), T(0)); }
+
+#ifndef QT_NO_REGEXP
+template<typename T>
+inline QList<T> qFindChildren(const QObject *o, const QRegExp &re, T)
+{
+    QList<T> list;
+    union {
+        QList<T> *typedList;
+        QList<void *> *voidList;
+    } u;
+    u.typedList = &list;
+    qt_qFindChildren_helper(o, 0, &re, ((T)0)->staticMetaObject, u.voidList);
+    return list;
+}
+
+template<typename T>
+inline QList<T> qFindChildren(const QObject *o, const QRegExp &re)
+{ return qFindChildren<T>(o, re, T(0)); }
+
+#endif
+
+#ifdef Q_MOC_RUN
+# define Q_DECLARE_INTERFACE(IFace, IId) Q_DECLARE_INTERFACE(IFace, IId)
+#endif // Q_MOC_RUN
+
+
+template <class T> inline T qobject_cast_helper(QObject *object, T)
+{ return static_cast<T>(((T)0)->staticMetaObject.cast(object)); }
+
+template <class T> inline T qobject_cast_helper(const QObject *object, T)
+{ return static_cast<T>(const_cast<const QObject *>(((T)0)->staticMetaObject.cast(const_cast<QObject *>(object)))); }
+
+template <class T>
+inline T qobject_cast(QObject *object)
+{ return qobject_cast_helper<T>(object, T(0)); }
+
+template <class T>
+inline T qobject_cast(const QObject *object)
+{ return qobject_cast_helper<T>(object, T(0)); }
+
+#ifndef Q_MOC_RUN
+#  define Q_DECLARE_INTERFACE(IFace, IId) \
+    template <> inline IFace *qobject_cast_helper<IFace *>(QObject *object, IFace *) \
+    { return (IFace *)(object ? object->qt_metacast(IId) : 0); } \
+    template <> inline IFace *qobject_cast_helper<IFace *>(const QObject *object, IFace *) \
+    { return (IFace *)(object ? const_cast<QObject *>(object)->qt_metacast(IId) : 0); }
+#endif // Q_MOC_RUN
+
+#else
+
+template<typename T>
+inline T qFindChild(const QObject *o, const QString &name)
+{ return static_cast<T>(qt_qFindChild_helper(o, name, reinterpret_cast<T>(0)->staticMetaObject)); }
+
+template<typename T>
+inline QList<T> qFindChildren(const QObject *o, const QString &name)
+{
+    QList<T> list;
+    union {
+        QList<T> *typedList;
+        QList<void *> *voidList;
+    } u;
+    u.typedList = &list;
+    qt_qFindChildren_helper(o, name, 0, reinterpret_cast<T>(0)->staticMetaObject, u.voidList);
+    return list;
+}
+
+#ifndef QT_NO_REGEXP
+template<typename T>
+inline QList<T> qFindChildren(const QObject *o, const QRegExp &re)
+{
+    QList<T> list;
+    union {
+        QList<T> *typedList;
+        QList<void *> *voidList;
+    } u;
+    u.typedList = &list;
+    qt_qFindChildren_helper(o, QString(), &re, reinterpret_cast<T>(0)->staticMetaObject, u.voidList);
+    return list;
+}
+#endif
+
+template <class T>
+inline T qobject_cast(QObject *object)
+{
+#if !defined(QT_NO_MEMBER_TEMPLATES) && !defined(QT_NO_QOBJECT_CHECK)
+    reinterpret_cast<T>(0)->qt_check_for_QOBJECT_macro(*reinterpret_cast<T>(object));
+#endif
+    return static_cast<T>(reinterpret_cast<T>(0)->staticMetaObject.cast(object));
+}
+
+template <class T>
+inline T qobject_cast(const QObject *object)
+{
+    // this will cause a compilation error if T is not const
+    register T ptr = static_cast<T>(object);
+    Q_UNUSED(ptr);
+
+#if !defined(QT_NO_MEMBER_TEMPLATES) && !defined(QT_NO_QOBJECT_CHECK)
+    reinterpret_cast<T>(0)->qt_check_for_QOBJECT_macro(*reinterpret_cast<T>(const_cast<QObject *>(object)));
+#endif
+    return static_cast<T>(const_cast<QObject *>(reinterpret_cast<T>(0)->staticMetaObject.cast(const_cast<QObject *>(object))));
+}
+
+
+#ifndef Q_MOC_RUN
+#  define Q_DECLARE_INTERFACE(IFace, IId) \
+    template <> inline IFace *qobject_cast<IFace *>(QObject *object) \
+    { return reinterpret_cast<IFace *>((object ? object->qt_metacast(IId) : 0)); } \
+    template <> inline IFace *qobject_cast<IFace *>(const QObject *object) \
+    { return reinterpret_cast<IFace *>((object ? const_cast<QObject *>(object)->qt_metacast(IId) : 0)); }
+#endif // Q_MOC_RUN
+
+#endif
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QObject *);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
+
+#endif // QOBJECT_H
diff --git a/src/corelib/kernel/qobject_p.h b/src/corelib/kernel/qobject_p.h
new file mode 100644
index 0000000000..b324334d0f
--- /dev/null
+++ b/src/corelib/kernel/qobject_p.h
@@ -0,0 +1,225 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QOBJECT_P_H
+#define QOBJECT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp.  This header
+// file may change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qobject.h"
+#include "QtCore/qpointer.h"
+#include "QtCore/qcoreevent.h"
+#include "QtCore/qlist.h"
+#include "QtCore/qvector.h"
+#include "QtCore/qreadwritelock.h"
+#include "QtCore/qvariant.h"
+
+QT_BEGIN_NAMESPACE
+
+class QVariant;
+class QThreadData;
+class QObjectConnectionListVector;
+
+/* mirrored in QtTestLib, DON'T CHANGE without prior warning */
+struct QSignalSpyCallbackSet
+{
+    typedef void (*BeginCallback)(QObject *caller, int method_index, void **argv);
+    typedef void (*EndCallback)(QObject *caller, int method_index);
+    BeginCallback signal_begin_callback,
+                    slot_begin_callback;
+    EndCallback signal_end_callback,
+                slot_end_callback;
+};
+void Q_CORE_EXPORT qt_register_signal_spy_callbacks(const QSignalSpyCallbackSet &callback_set);
+
+extern QSignalSpyCallbackSet Q_CORE_EXPORT qt_signal_spy_callback_set;
+
+inline QObjectData::~QObjectData() {}
+
+enum { QObjectPrivateVersion = QT_VERSION };
+
+class Q_CORE_EXPORT QObjectPrivate : public QObjectData
+{
+    Q_DECLARE_PUBLIC(QObject)
+
+public:
+    QObjectPrivate(int version = QObjectPrivateVersion);
+    virtual ~QObjectPrivate();
+
+#ifdef QT3_SUPPORT
+    QList<QObject *> pendingChildInsertedEvents;
+    void sendPendingChildInsertedEvents();
+    void removePendingChildInsertedEvents(QObject *child);
+#else
+    // preserve binary compatibility with code compiled without Qt 3 support
+    QList<QObject *> unused;
+#endif
+
+    // id of the thread that owns the object
+    QThreadData *threadData;
+    void moveToThread_helper();
+    void setThreadData_helper(QThreadData *currentData, QThreadData *targetData);
+    void _q_reregisterTimers(void *pointer);
+
+    struct Sender
+    {
+        QObject *sender;
+        int signal;
+        int ref;
+    };
+
+    // object currently activating the object
+    Sender *currentSender;
+
+    QObject *currentChildBeingDeleted;
+
+    bool isSender(const QObject *receiver, const char *signal) const;
+    QObjectList receiverList(const char *signal) const;
+    QObjectList senderList() const;
+
+    QList<QPointer<QObject> > eventFilters;
+
+    void setParent_helper(QObject *);
+
+    void deleteChildren();
+
+    static void clearGuards(QObject *);
+
+    struct ExtraData
+    {
+#ifndef QT_NO_USERDATA
+        QVector<QObjectUserData *> userData;
+#endif
+        QList<QByteArray> propertyNames;
+        QList<QVariant> propertyValues;
+    };
+    ExtraData *extraData;
+    mutable quint32 connectedSignals;
+
+    QString objectName;
+
+    // Note: you must hold the signalSlotLock() before accessing the lists below or calling the functions
+    struct Connection
+    {
+        QObject *receiver;
+        int method;
+        uint connectionType : 3; // 0 == auto, 1 == direct, 2 == queued, 4 == blocking
+        QBasicAtomicPointer<int> argumentTypes;
+    };
+    typedef QList<Connection> ConnectionList;
+
+    QObjectConnectionListVector *connectionLists;
+    void addConnection(int signal, Connection *c);
+    void removeReceiver(int signal, QObject *receiver);
+    void cleanConnectionLists();
+
+    QList<Sender> senders;
+    void refSender(QObject *sender, int signal);
+    void derefSender(QObject *sender, int signal);
+    void removeSender(QObject *sender, int signal);
+
+    static Sender *setCurrentSender(QObject *receiver,
+                                    Sender *sender);
+    static void resetCurrentSender(QObject *receiver,
+                                   Sender *currentSender,
+                                   Sender *previousSender);
+    static int *setDeleteWatch(QObjectPrivate *d, int *newWatch);
+    static void resetDeleteWatch(QObjectPrivate *d, int *oldWatch, int deleteWatch);
+
+    int *deleteWatch;
+
+    static QObjectPrivate *get(QObject *o) {
+        return o->d_func();
+    }
+};
+
+Q_DECLARE_TYPEINFO(QObjectPrivate::Connection, Q_MOVABLE_TYPE);
+Q_DECLARE_TYPEINFO(QObjectPrivate::Sender, Q_MOVABLE_TYPE);
+
+class QSemaphore;
+class Q_CORE_EXPORT QMetaCallEvent : public QEvent
+{
+public:
+    QMetaCallEvent(int id, const QObject *sender, int signalId,
+                   int nargs = 0, int *types = 0, void **args = 0, QSemaphore *semaphore = 0);
+    ~QMetaCallEvent();
+
+    inline int id() const { return id_; }
+    inline const QObject *sender() const { return sender_; }
+    inline int signalId() const { return signalId_; }
+    inline void **args() const { return args_; }
+
+    virtual int placeMetaCall(QObject *object);
+
+private:
+    int id_;
+    const QObject *sender_;
+    int signalId_;
+    int nargs_;
+    int *types_;
+    void **args_;
+    QSemaphore *semaphore_;
+};
+
+class Q_CORE_EXPORT QBoolBlocker
+{
+public:
+    inline QBoolBlocker(bool &b, bool value=true):block(b), reset(b){block = value;}
+    inline ~QBoolBlocker(){block = reset; }
+private:
+    bool &block;
+    bool reset;
+};
+
+void Q_CORE_EXPORT qDeleteInEventHandler(QObject *o);
+
+QT_END_NAMESPACE
+
+#endif // QOBJECT_P_H
diff --git a/src/corelib/kernel/qobjectcleanuphandler.cpp b/src/corelib/kernel/qobjectcleanuphandler.cpp
new file mode 100644
index 0000000000..d2241ad186
--- /dev/null
+++ b/src/corelib/kernel/qobjectcleanuphandler.cpp
@@ -0,0 +1,148 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qobjectcleanuphandler.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QObjectCleanupHandler
+    \brief The QObjectCleanupHandler class watches the lifetime of multiple QObjects.
+
+    \ingroup objectmodel
+
+    A QObjectCleanupHandler is useful whenever you need to know when a
+    number of \l{QObject}s that are owned by someone else have been
+    deleted. This is important, for example, when referencing memory
+    in an application that has been allocated in a shared library.
+
+    To keep track of some \l{QObject}s, create a
+    QObjectCleanupHandler, and add() the objects you are interested
+    in. If you are no longer interested in tracking a particular
+    object, use remove() to remove it from the cleanup handler. If an
+    object being tracked by the cleanup handler gets deleted by
+    someone else it will automatically be removed from the cleanup
+    handler. You can delete all the objects in the cleanup handler
+    with clear(), or by destroying the cleanup handler. isEmpty()
+    returns true if the QObjectCleanupHandler has no objects to keep
+    track of.
+
+    \sa QPointer
+*/
+
+/*!
+    Constructs an empty QObjectCleanupHandler.
+*/
+QObjectCleanupHandler::QObjectCleanupHandler()
+{
+}
+
+/*!
+    Destroys the cleanup handler. All objects in this cleanup handler
+    will be deleted.
+
+    \sa clear()
+*/
+QObjectCleanupHandler::~QObjectCleanupHandler()
+{
+    clear();
+}
+
+/*!
+    Adds \a object to this cleanup handler and returns the pointer to
+    the object.
+
+    \sa remove()
+*/
+QObject *QObjectCleanupHandler::add(QObject* object)
+{
+    if (!object)
+        return 0;
+
+    connect(object, SIGNAL(destroyed(QObject*)), this, SLOT(objectDestroyed(QObject*)));
+    cleanupObjects.insert(0, object);
+    return object;
+}
+
+/*!
+    Removes the \a object from this cleanup handler. The object will
+    not be destroyed.
+
+    \sa add()
+*/
+void QObjectCleanupHandler::remove(QObject *object)
+{
+    int index;
+    if ((index = cleanupObjects.indexOf(object)) != -1) {
+        cleanupObjects.removeAt(index);
+        disconnect(object, SIGNAL(destroyed(QObject*)), this, SLOT(objectDestroyed(QObject*)));
+    }
+}
+
+/*!
+    Returns true if this cleanup handler is empty or if all objects in
+    this cleanup handler have been destroyed; otherwise return false.
+
+    \sa add() remove() clear()
+*/
+bool QObjectCleanupHandler::isEmpty() const
+{
+    return cleanupObjects.isEmpty();
+}
+
+/*!
+    Deletes all objects in this cleanup handler. The cleanup handler
+    becomes empty.
+
+    \sa isEmpty()
+*/
+void QObjectCleanupHandler::clear()
+{
+    while (!cleanupObjects.isEmpty())
+        delete cleanupObjects.takeFirst();
+}
+
+void QObjectCleanupHandler::objectDestroyed(QObject *object)
+{
+    remove(object);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qobjectcleanuphandler.h b/src/corelib/kernel/qobjectcleanuphandler.h
new file mode 100644
index 0000000000..67db5d3389
--- /dev/null
+++ b/src/corelib/kernel/qobjectcleanuphandler.h
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QOBJECTCLEANUPHANDLER_H
+#define QOBJECTCLEANUPHANDLER_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QObjectCleanupHandler : public QObject
+{
+    Q_OBJECT
+
+public:
+    QObjectCleanupHandler();
+    ~QObjectCleanupHandler();
+
+    QObject* add(QObject* object);
+    void remove(QObject *object);
+    bool isEmpty() const;
+    void clear();
+
+private:
+    // ### move into d pointer
+    QObjectList cleanupObjects;
+
+private Q_SLOTS:
+    void objectDestroyed(QObject *);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QOBJECTCLEANUPHANDLER_H
diff --git a/src/corelib/kernel/qobjectdefs.h b/src/corelib/kernel/qobjectdefs.h
new file mode 100644
index 0000000000..3a22323aaa
--- /dev/null
+++ b/src/corelib/kernel/qobjectdefs.h
@@ -0,0 +1,465 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QOBJECTDEFS_H
+#define QOBJECTDEFS_H
+
+#include <QtCore/qnamespace.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QByteArray;
+
+class QString;
+
+#ifndef Q_MOC_OUTPUT_REVISION
+#define Q_MOC_OUTPUT_REVISION 61
+#endif
+
+// The following macros are our "extensions" to C++
+// They are used, strictly speaking, only by the moc.
+
+#ifndef Q_MOC_RUN
+# if defined(QT_NO_KEYWORDS)
+#  define QT_NO_EMIT
+# else
+#   define slots
+#   define signals protected
+# endif
+# define Q_SLOTS
+# define Q_SIGNALS protected
+# define Q_PRIVATE_SLOT(d, signature)
+# define Q_EMIT
+#ifndef QT_NO_EMIT
+# define emit
+#endif
+#define Q_CLASSINFO(name, value)
+#define Q_INTERFACES(x)
+#define Q_PROPERTY(text)
+#define Q_OVERRIDE(text)
+#define Q_ENUMS(x)
+#define Q_FLAGS(x)
+#ifdef QT3_SUPPORT
+# define Q_SETS(x)
+#endif
+#define Q_SCRIPTABLE
+#define Q_INVOKABLE
+#define Q_SIGNAL
+#define Q_SLOT
+
+#ifndef QT_NO_TRANSLATION
+# ifndef QT_NO_TEXTCODEC
+// full set of tr functions
+// ### Qt 5: merge overloads
+#  define QT_TR_FUNCTIONS \
+    static inline QString tr(const char *s, const char *c = 0) \
+        { return staticMetaObject.tr(s, c); } \
+    static inline QString trUtf8(const char *s, const char *c = 0) \
+        { return staticMetaObject.trUtf8(s, c); } \
+    static inline QString tr(const char *s, const char *c, int n) \
+        { return staticMetaObject.tr(s, c, n); } \
+    static inline QString trUtf8(const char *s, const char *c, int n) \
+        { return staticMetaObject.trUtf8(s, c, n); }
+# else
+// no QTextCodec, no utf8
+// ### Qt 5: merge overloads
+#  define QT_TR_FUNCTIONS \
+    static inline QString tr(const char *s, const char *c = 0) \
+        { return staticMetaObject.tr(s, c); } \
+    static inline QString tr(const char *s, const char *c, int n) \
+        { return staticMetaObject.tr(s, c, n); }
+# endif
+#else
+// inherit the ones from QObject
+# define QT_TR_FUNCTIONS
+#endif
+
+#if defined(QT_NO_MEMBER_TEMPLATES) || defined(QT_NO_QOBJECT_CHECK)
+/* tmake ignore Q_OBJECT */
+#define Q_OBJECT_CHECK
+#else
+
+/* This is a compile time check that ensures that any class cast with qobject_cast
+   actually contains a Q_OBJECT macro. Note: qobject_cast will fail if a QObject
+   subclass doesn't contain Q_OBJECT.
+
+   In qt_check_for_QOBJECT_macro, we call a dummy templated function with two
+   parameters, the first being "this" and the other the target of the qobject
+   cast. If the types are not identical, we know that a Q_OBJECT macro is missing.
+
+   If you get a compiler error here, make sure that the class you are casting
+   to contains a Q_OBJECT macro.
+*/
+
+/* tmake ignore Q_OBJECT */
+#define Q_OBJECT_CHECK \
+    template <typename T> inline void qt_check_for_QOBJECT_macro(const T &_q_argument) const \
+    { int i = qYouForgotTheQ_OBJECT_Macro(this, &_q_argument); i = i; }
+
+template <typename T>
+inline int qYouForgotTheQ_OBJECT_Macro(T, T) { return 0; }
+
+template <typename T1, typename T2>
+inline void qYouForgotTheQ_OBJECT_Macro(T1, T2) {}
+#endif // QT_NO_MEMBER_TEMPLATES
+
+/* tmake ignore Q_OBJECT */
+#define Q_OBJECT \
+public: \
+    Q_OBJECT_CHECK \
+    static const QMetaObject staticMetaObject; \
+    virtual const QMetaObject *metaObject() const; \
+    virtual void *qt_metacast(const char *); \
+    QT_TR_FUNCTIONS \
+    virtual int qt_metacall(QMetaObject::Call, int, void **); \
+private:
+/* tmake ignore Q_OBJECT */
+#define Q_OBJECT_FAKE Q_OBJECT
+/* tmake ignore Q_GADGET */
+#define Q_GADGET \
+public: \
+    static const QMetaObject staticMetaObject; \
+private:
+#else // Q_MOC_RUN
+#define slots slots
+#define signals signals
+#define Q_SLOTS Q_SLOTS
+#define Q_SIGNALS Q_SIGNALS
+#define Q_CLASSINFO(name, value) Q_CLASSINFO(name, value)
+#define Q_INTERFACES(x) Q_INTERFACES(x)
+#define Q_PROPERTY(text) Q_PROPERTY(text)
+#define Q_OVERRIDE(text) Q_OVERRIDE(text)
+#define Q_ENUMS(x) Q_ENUMS(x)
+#define Q_FLAGS(x) Q_FLAGS(x)
+#ifdef QT3_SUPPORT
+# define Q_SETS(x) Q_SETS(x)
+#endif
+ /* tmake ignore Q_OBJECT */
+#define Q_OBJECT Q_OBJECT
+ /* tmake ignore Q_OBJECT */
+#define Q_OBJECT_FAKE Q_OBJECT_FAKE
+ /* tmake ignore Q_GADGET */
+#define Q_GADGET Q_GADGET
+#define Q_SCRIPTABLE Q_SCRIPTABLE
+#define Q_INVOKABLE Q_INVOKABLE
+#define Q_SIGNAL Q_SIGNAL
+#define Q_SLOT Q_SLOT
+#endif //Q_MOC_RUN
+
+// macro for onaming members
+#ifdef METHOD
+#undef METHOD
+#endif
+#ifdef SLOT
+#undef SLOT
+#endif
+#ifdef SIGNAL
+#undef SIGNAL
+#endif
+
+Q_CORE_EXPORT const char *qFlagLocation(const char *method);
+
+#define QTOSTRING_HELPER(s) #s
+#define QTOSTRING(s) QTOSTRING_HELPER(s)
+#ifndef QT_NO_DEBUG
+# define QLOCATION "\0"__FILE__":"QTOSTRING(__LINE__)
+# define METHOD(a)   qFlagLocation("0"#a QLOCATION)
+# define SLOT(a)     qFlagLocation("1"#a QLOCATION)
+# define SIGNAL(a)   qFlagLocation("2"#a QLOCATION)
+#else
+# define METHOD(a)   "0"#a
+# define SLOT(a)     "1"#a
+# define SIGNAL(a)   "2"#a
+#endif
+
+#ifdef QT3_SUPPORT
+#define METHOD_CODE   0                        // member type codes
+#define SLOT_CODE     1
+#define SIGNAL_CODE   2
+#endif
+
+#define QMETHOD_CODE  0                        // member type codes
+#define QSLOT_CODE    1
+#define QSIGNAL_CODE  2
+
+#define Q_ARG(type, data) QArgument<type >(#type, data)
+#define Q_RETURN_ARG(type, data) QReturnArgument<type >(#type, data)
+
+class QObject;
+class QMetaMethod;
+class QMetaEnum;
+class QMetaProperty;
+class QMetaClassInfo;
+
+
+class Q_CORE_EXPORT QGenericArgument
+{
+public:
+    inline QGenericArgument(const char *aName = 0, const void *aData = 0)
+        : _data(aData), _name(aName) {}
+    inline void *data() const { return const_cast<void *>(_data); }
+    inline const char *name() const { return _name; }
+
+private:
+    const void *_data;
+    const char *_name;
+};
+
+class Q_CORE_EXPORT QGenericReturnArgument: public QGenericArgument
+{
+public:
+    inline QGenericReturnArgument(const char *aName = 0, void *aData = 0)
+        : QGenericArgument(aName, aData)
+        {}
+};
+
+template <class T>
+class QArgument: public QGenericArgument
+{
+public:
+    inline QArgument(const char *aName, const T &aData)
+        : QGenericArgument(aName, static_cast<const void *>(&aData))
+        {}
+};
+
+
+template <typename T>
+class QReturnArgument: public QGenericReturnArgument
+{
+public:
+    inline QReturnArgument(const char *aName, T &aData)
+        : QGenericReturnArgument(aName, static_cast<void *>(&aData))
+        {}
+};
+
+struct Q_CORE_EXPORT QMetaObject
+{
+    const char *className() const;
+    const QMetaObject *superClass() const;
+
+    QObject *cast(QObject *obj) const;
+
+#ifndef QT_NO_TRANSLATION
+    // ### Qt 4: Merge overloads
+    QString tr(const char *s, const char *c) const;
+    QString trUtf8(const char *s, const char *c) const;
+    QString tr(const char *s, const char *c, int n) const;
+    QString trUtf8(const char *s, const char *c, int n) const;
+#endif // QT_NO_TRANSLATION
+
+    int methodOffset() const;
+    int enumeratorOffset() const;
+    int propertyOffset() const;
+    int classInfoOffset() const;
+
+    int constructorCount() const;
+    int methodCount() const;
+    int enumeratorCount() const;
+    int propertyCount() const;
+    int classInfoCount() const;
+
+    int indexOfConstructor(const char *constructor) const;
+    int indexOfMethod(const char *method) const;
+    int indexOfSignal(const char *signal) const;
+    int indexOfSlot(const char *slot) const;
+    int indexOfEnumerator(const char *name) const;
+    int indexOfProperty(const char *name) const;
+    int indexOfClassInfo(const char *name) const;
+
+    QMetaMethod constructor(int index) const;
+    QMetaMethod method(int index) const;
+    QMetaEnum enumerator(int index) const;
+    QMetaProperty property(int index) const;
+    QMetaClassInfo classInfo(int index) const;
+    QMetaProperty userProperty() const;
+
+    static bool checkConnectArgs(const char *signal, const char *method);
+    static QByteArray normalizedSignature(const char *method);
+    static QByteArray normalizedType(const char *type);
+
+    // internal index-based connect
+    static bool connect(const QObject *sender, int signal_index,
+                        const QObject *receiver, int method_index,
+                        int type = 0, int *types = 0);
+    // internal index-based disconnect
+    static bool disconnect(const QObject *sender, int signal_index,
+                           const QObject *receiver, int method_index);
+    // internal slot-name based connect
+    static void connectSlotsByName(QObject *o);
+
+    // internal index-based signal activation
+    static void activate(QObject *sender, int signal_index, void **argv);
+    static void activate(QObject *sender, int from_signal_index, int to_signal_index, void **argv);
+    static void activate(QObject *sender, const QMetaObject *, int local_signal_index, void **argv);
+    static void activate(QObject *sender, const QMetaObject *, int from_local_signal_index, int to_local_signal_index, void **argv);
+    // internal guarded pointers
+    static void addGuard(QObject **ptr);
+    static void removeGuard(QObject **ptr);
+    static void changeGuard(QObject **ptr, QObject *o);
+
+    static bool invokeMethod(QObject *obj, const char *member,
+                             Qt::ConnectionType,
+                             QGenericReturnArgument ret,
+                             QGenericArgument val0 = QGenericArgument(0),
+                             QGenericArgument val1 = QGenericArgument(),
+                             QGenericArgument val2 = QGenericArgument(),
+                             QGenericArgument val3 = QGenericArgument(),
+                             QGenericArgument val4 = QGenericArgument(),
+                             QGenericArgument val5 = QGenericArgument(),
+                             QGenericArgument val6 = QGenericArgument(),
+                             QGenericArgument val7 = QGenericArgument(),
+                             QGenericArgument val8 = QGenericArgument(),
+                             QGenericArgument val9 = QGenericArgument());
+
+    static inline bool invokeMethod(QObject *obj, const char *member,
+                             QGenericReturnArgument ret,
+                             QGenericArgument val0 = QGenericArgument(0),
+                             QGenericArgument val1 = QGenericArgument(),
+                             QGenericArgument val2 = QGenericArgument(),
+                             QGenericArgument val3 = QGenericArgument(),
+                             QGenericArgument val4 = QGenericArgument(),
+                             QGenericArgument val5 = QGenericArgument(),
+                             QGenericArgument val6 = QGenericArgument(),
+                             QGenericArgument val7 = QGenericArgument(),
+                             QGenericArgument val8 = QGenericArgument(),
+                             QGenericArgument val9 = QGenericArgument())
+    {
+        return invokeMethod(obj, member, Qt::AutoConnection, ret, val0, val1, val2, val3,
+                val4, val5, val6, val7, val8, val9);
+    }
+
+    static inline bool invokeMethod(QObject *obj, const char *member,
+                             Qt::ConnectionType type,
+                             QGenericArgument val0 = QGenericArgument(0),
+                             QGenericArgument val1 = QGenericArgument(),
+                             QGenericArgument val2 = QGenericArgument(),
+                             QGenericArgument val3 = QGenericArgument(),
+                             QGenericArgument val4 = QGenericArgument(),
+                             QGenericArgument val5 = QGenericArgument(),
+                             QGenericArgument val6 = QGenericArgument(),
+                             QGenericArgument val7 = QGenericArgument(),
+                             QGenericArgument val8 = QGenericArgument(),
+                             QGenericArgument val9 = QGenericArgument())
+    {
+        return invokeMethod(obj, member, type, QGenericReturnArgument(), val0, val1, val2,
+                                 val3, val4, val5, val6, val7, val8, val9);
+    }
+
+    static inline bool invokeMethod(QObject *obj, const char *member,
+                             QGenericArgument val0 = QGenericArgument(0),
+                             QGenericArgument val1 = QGenericArgument(),
+                             QGenericArgument val2 = QGenericArgument(),
+                             QGenericArgument val3 = QGenericArgument(),
+                             QGenericArgument val4 = QGenericArgument(),
+                             QGenericArgument val5 = QGenericArgument(),
+                             QGenericArgument val6 = QGenericArgument(),
+                             QGenericArgument val7 = QGenericArgument(),
+                             QGenericArgument val8 = QGenericArgument(),
+                             QGenericArgument val9 = QGenericArgument())
+    {
+        return invokeMethod(obj, member, Qt::AutoConnection, QGenericReturnArgument(), val0,
+                val1, val2, val3, val4, val5, val6, val7, val8, val9);
+    }
+
+    QObject *newInstance(QGenericArgument val0 = QGenericArgument(0),
+                         QGenericArgument val1 = QGenericArgument(),
+                         QGenericArgument val2 = QGenericArgument(),
+                         QGenericArgument val3 = QGenericArgument(),
+                         QGenericArgument val4 = QGenericArgument(),
+                         QGenericArgument val5 = QGenericArgument(),
+                         QGenericArgument val6 = QGenericArgument(),
+                         QGenericArgument val7 = QGenericArgument(),
+                         QGenericArgument val8 = QGenericArgument(),
+                         QGenericArgument val9 = QGenericArgument()) const;
+
+    enum Call {
+        InvokeMetaMethod,
+        ReadProperty,
+        WriteProperty,
+        ResetProperty,
+        QueryPropertyDesignable,
+        QueryPropertyScriptable,
+        QueryPropertyStored,
+        QueryPropertyEditable,
+        QueryPropertyUser,
+        CreateInstance
+    };
+
+    int static_metacall(Call, int, void **) const;
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT const char *superClassName() const;
+#endif
+
+    struct { // private data
+        const QMetaObject *superdata;
+        const char *stringdata;
+        const uint *data;
+        const void *extradata;
+    } d;
+};
+
+struct QMetaObjectExtraData
+{
+    const QMetaObject **objects;
+    int (*static_metacall)(QMetaObject::Call, int, void **);
+};
+
+inline const char *QMetaObject::className() const
+{ return d.stringdata; }
+
+inline const QMetaObject *QMetaObject::superClass() const
+{ return d.superdata; }
+
+#ifdef QT3_SUPPORT
+inline const char *QMetaObject::superClassName() const
+{ return d.superdata ? d.superdata->className() : 0; }
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QOBJECTDEFS_H
diff --git a/src/corelib/kernel/qpointer.cpp b/src/corelib/kernel/qpointer.cpp
new file mode 100644
index 0000000000..99a8e4b421
--- /dev/null
+++ b/src/corelib/kernel/qpointer.cpp
@@ -0,0 +1,260 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \class QPointer
+    \brief The QPointer class is a template class that provides guarded pointers to QObjects.
+
+    \ingroup objectmodel
+    \mainclass
+
+    A guarded pointer, QPointer<T>, behaves like a normal C++
+    pointer \c{T *}, except that it is automatically set to 0 when the
+    referenced object is destroyed (unlike normal C++ pointers, which
+    become "dangling pointers" in such cases). \c T must be a
+    subclass of QObject.
+
+    Guarded pointers are useful whenever you need to store a pointer
+    to a QObject that is owned by someone else, and therefore might be
+    destroyed while you still hold a reference to it. You can safely
+    test the pointer for validity.
+
+    Qt also provides QSharedPointer, an implementation of a reference-counted
+    shared pointer object, which can be used to maintain a collection of
+    references to an individual pointer.
+
+    Example:
+
+    \snippet doc/src/snippets/pointer/pointer.cpp 0
+    \dots
+    \snippet doc/src/snippets/pointer/pointer.cpp 1
+    \snippet doc/src/snippets/pointer/pointer.cpp 2
+
+    If the QLabel is deleted in the meantime, the \c label variable
+    will hold 0 instead of an invalid address, and the last line will
+    never be executed.
+
+    The functions and operators available with a QPointer are the
+    same as those available with a normal unguarded pointer, except
+    the pointer arithmetic operators (\c{+}, \c{-}, \c{++}, and
+    \c{--}), which are normally used only with arrays of objects.
+
+    Use QPointers like normal pointers and you will not need to read
+    this class documentation.
+
+    For creating guarded pointers, you can construct or assign to them
+    from a T* or from another guarded pointer of the same type. You
+    can compare them with each other using operator==() and
+    operator!=(), or test for 0 with isNull(). You can dereference
+    them using either the \c *x or the \c x->member notation.
+
+    A guarded pointer will automatically cast to a \c T *, so you can
+    freely mix guarded and unguarded pointers. This means that if you
+    have a QPointer<QWidget>, you can pass it to a function that
+    requires a QWidget *. For this reason, it is of little value to
+    declare functions to take a QPointer as a parameter; just use
+    normal pointers. Use a QPointer when you are storing a pointer
+    over time.
+
+    Note that class \c T must inherit QObject, or a compilation or
+    link error will result.
+
+    \sa QSharedPointer, QObject, QObjectCleanupHandler
+*/
+
+/*!
+    \fn QPointer::QPointer()
+
+    Constructs a 0 guarded pointer.
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QPointer::QPointer(T* p)
+
+    Constructs a guarded pointer that points to same object that \a p
+    points to.
+*/
+
+/*!
+    \fn QPointer::QPointer(const QPointer<T> &p)
+
+    Copies one guarded pointer from another. The constructed guarded
+    pointer points to the same object that \a p points to (which may
+    be 0).
+*/
+
+/*!
+    \fn QPointer::~QPointer()
+
+    Destroys the guarded pointer. Just like a normal pointer,
+    destroying a guarded pointer does \e not destroy the object being
+    pointed to.
+*/
+
+/*!
+    \fn QPointer<T>& QPointer::operator=(const QPointer<T> &p)
+
+    Assignment operator. This guarded pointer will now point to the
+    same object that \a p points to.
+*/
+
+/*!
+    \fn QPointer<T> & QPointer::operator=(T* p)
+
+    Assignment operator. This guarded pointer will now point to the
+    same object that \a p points to.
+*/
+
+/*!
+    \fn T* QPointer::data() const
+    \since 4.4
+
+    Returns the pointer to the object being guarded.
+*/
+
+/*!
+    \fn bool QPointer::isNull() const
+
+    Returns \c true if the referenced object has been destroyed or if
+    there is no referenced object; otherwise returns false.
+*/
+
+/*!
+    \fn T* QPointer::operator->() const
+
+    Overloaded arrow operator; implements pointer semantics. Just use
+    this operator as you would with a normal C++ pointer.
+*/
+
+/*!
+    \fn T& QPointer::operator*() const
+
+    Dereference operator; implements pointer semantics. Just use this
+    operator as you would with a normal C++ pointer.
+*/
+
+/*!
+    \fn QPointer::operator T*() const
+
+    Cast operator; implements pointer semantics. Because of this
+    function you can pass a QPointer\<T\> to a function where a T*
+    is required.
+*/
+
+/*!
+    \fn bool operator==(const T *o, const QPointer<T> &p)
+
+    Equality operator. Returns true if \a o and the guarded
+    pointer \a p are pointing to the same object, otherwise
+    returns false.
+
+*/
+/*!
+    \fn bool operator==(const QPointer<T> &p, const T *o)
+
+    Equality operator. Returns true if \a o and the guarded
+    pointer \a p are pointing to the same object, otherwise
+    returns false.
+
+*/
+/*!
+    \fn bool operator==(T *o, const QPointer<T> &p)
+
+    Equality operator. Returns true if \a o and the guarded
+    pointer \a p are pointing to the same object, otherwise
+    returns false.
+
+*/
+/*!
+    \fn bool operator==(const QPointer<T> &p, T *o)
+
+    Equality operator. Returns true if \a o and the guarded
+    pointer \a p are pointing to the same object, otherwise
+    returns false.
+
+*/
+/*!
+    \fn bool operator==(const QPointer<T> &p1, const QPointer<T> &p2)
+
+    Equality operator. Returns true if the guarded pointers \a p1 and \a p2
+    are pointing to the same object, otherwise
+    returns false.
+
+*/
+
+
+/*!
+    \fn bool operator!=(const T *o, const QPointer<T> &p)
+
+    Inequality operator. Returns true if \a o and the guarded
+    pointer \a p are not pointing to the same object, otherwise
+    returns false.
+*/
+/*!
+    \fn bool operator!=(const QPointer<T> &p, const T *o)
+
+    Inequality operator. Returns true if \a o and the guarded
+    pointer \a p are not pointing to the same object, otherwise
+    returns false.
+*/
+/*!
+    \fn bool operator!=(T *o, const QPointer<T> &p)
+
+    Inequality operator. Returns true if \a o and the guarded
+    pointer \a p are not pointing to the same object, otherwise
+    returns false.
+*/
+/*!
+    \fn bool operator!=(const QPointer<T> &p, T *o)
+
+    Inequality operator. Returns true if \a o and the guarded
+    pointer \a p are not pointing to the same object, otherwise
+    returns false.
+*/
+/*!
+    \fn bool operator!=(const QPointer<T> &p1, const QPointer<T> &p2)
+
+    Inequality operator. Returns true if  the guarded pointers \a p1 and
+    \a p2 are not pointing to the same object, otherwise
+    returns false.
+*/
diff --git a/src/corelib/kernel/qpointer.h b/src/corelib/kernel/qpointer.h
new file mode 100644
index 0000000000..ec4a623c30
--- /dev/null
+++ b/src/corelib/kernel/qpointer.h
@@ -0,0 +1,168 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPOINTER_H
+#define QPOINTER_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <class T>
+class QPointer
+{
+    QObject *o;
+public:
+    inline QPointer() : o(0) {}
+    inline QPointer(T *p) : o(p)
+        { QMetaObject::addGuard(&o); }
+    inline QPointer(const QPointer<T> &p) : o(p.o)
+        { QMetaObject::addGuard(&o); }
+    inline ~QPointer()
+        { QMetaObject::removeGuard(&o); }
+    inline QPointer<T> &operator=(const QPointer<T> &p)
+        { if (this != &p) QMetaObject::changeGuard(&o, p.o); return *this; }
+    inline QPointer<T> &operator=(T* p)
+        { if (o != p) QMetaObject::changeGuard(&o, p); return *this; }
+
+    inline bool isNull() const
+        { return !o; }
+
+    inline T* operator->() const
+        { return static_cast<T*>(const_cast<QObject*>(o)); }
+    inline T& operator*() const
+        { return *static_cast<T*>(const_cast<QObject*>(o)); }
+    inline operator T*() const
+        { return static_cast<T*>(const_cast<QObject*>(o)); }
+    inline T* data() const
+        { return static_cast<T*>(const_cast<QObject*>(o)); }
+};
+
+
+#if (!defined(Q_CC_SUN) || (__SUNPRO_CC >= 0x580)) // ambiguity between const T * and T *
+
+template <class T>
+inline bool operator==(const T *o, const QPointer<T> &p)
+{ return o == p.operator->(); }
+
+template<class T>
+inline bool operator==(const QPointer<T> &p, const T *o)
+{ return p.operator->() == o; }
+
+#else
+
+template<class T>
+inline bool operator==(const void *o, const QPointer<T> &p)
+{ return o == p.operator->(); }
+
+template<class T>
+inline bool operator==(const QPointer<T> &p, const void *o)
+{ return p.operator->() == o; }
+
+#endif
+
+template <class T>
+inline bool operator==(T *o, const QPointer<T> &p)
+{ return o == p.operator->(); }
+
+template<class T>
+inline bool operator==(const QPointer<T> &p, T *o)
+{ return p.operator->() == o; }
+
+template<class T>
+inline bool operator==(const QPointer<T> &p1, const QPointer<T> &p2)
+{ return p1.operator->() == p2.operator->(); }
+
+
+#if (!defined(Q_CC_SUN) || (__SUNPRO_CC >= 0x580)) // ambiguity between const T * and T *
+
+template <class T>
+inline bool operator!=(const T *o, const QPointer<T> &p)
+{ return o != p.operator->(); }
+
+template<class T>
+inline bool operator!= (const QPointer<T> &p, const T *o)
+{ return p.operator->() != o; }
+
+#else
+
+template<class T>
+inline bool operator!= (const void *o, const QPointer<T> &p)
+{ return o != p.operator->(); }
+
+template<class T>
+inline bool operator!= (const QPointer<T> &p, const void *o)
+{ return p.operator->() != o; }
+
+#endif
+
+template <class T>
+inline bool operator!=(T *o, const QPointer<T> &p)
+{ return o != p.operator->(); }
+
+template<class T>
+inline bool operator!= (const QPointer<T> &p, T *o)
+{ return p.operator->() != o; }
+
+template<class T>
+inline bool operator!= (const QPointer<T> &p1, const QPointer<T> &p2)
+{ return p1.operator->() != p2.operator->() ; }
+
+// Make MSVC < 1400 (2005) handle "if (NULL == p)" syntax
+#if defined(Q_CC_MSVC) && (_MSC_VER < 1400)
+template<class T>
+inline bool operator== (int i, const QPointer<T> &p)
+{ Q_ASSERT(i == 0); return !i && p.isNull(); }
+
+template<class T>
+inline bool operator!= (int i, const QPointer<T> &p)
+{ Q_ASSERT(i == 0); return !i && !p.isNull(); }
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPOINTER_H
diff --git a/src/corelib/kernel/qsharedmemory.cpp b/src/corelib/kernel/qsharedmemory.cpp
new file mode 100644
index 0000000000..98530798b2
--- /dev/null
+++ b/src/corelib/kernel/qsharedmemory.cpp
@@ -0,0 +1,541 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsharedmemory.h"
+#include "qsharedmemory_p.h"
+#include "qsystemsemaphore.h"
+#include <qdir.h>
+#include <qcryptographichash.h>
+
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+#if !(defined(QT_NO_SHAREDMEMORY) && defined(QT_NO_SYSTEMSEMAPHORE))
+/*!
+    \internal
+
+    Generate a string from the key which can be any unicode string into
+    the subset that the win/unix kernel allows.
+
+    On Unix this will be a file name
+  */
+QString
+QSharedMemoryPrivate::makePlatformSafeKey(const QString &key,
+					  const QString &prefix)
+{
+    if (key.isEmpty())
+        return QString();
+
+    QString result = prefix;
+
+    QString part1 = key;
+    part1.replace(QRegExp(QLatin1String("[^A-Za-z]")), QString());
+    result.append(part1);
+
+    QByteArray hex = QCryptographicHash::hash(key.toUtf8(), QCryptographicHash::Sha1).toHex();
+    result.append(QLatin1String(hex));
+
+#ifdef Q_OS_WIN
+    return result;
+#else
+    return QDir::tempPath() + QLatin1Char('/') + result;
+#endif
+}
+#endif // QT_NO_SHAREDMEMORY && QT_NO_SHAREDMEMORY
+
+#ifndef QT_NO_SHAREDMEMORY
+
+/*!
+  \class QSharedMemory
+  \ingroup ipc
+  \since 4.4
+
+  \brief The QSharedMemory class provides access to a shared memory segment.
+
+  QSharedMemory provides access to a shared memory segment by multiple
+  threads and processes. It also provides a way for a single thread or
+  process to lock the memory for exclusive access.
+
+  When using this class, be aware of the following platform
+  differences:
+
+  \list
+
+  \o Windows: QSharedMemory does not "own" the shared memory segment.
+  When all threads or processes that have an instance of QSharedMemory
+  attached to a particular shared memory segment have either destroyed
+  their instance of QSharedMemory or exited, the Windows kernel
+  releases the shared memory segment automatically.
+
+  \o Unix: QSharedMemory "owns" the shared memory segment. When the
+  last thread or process that has an instance of QSharedMemory
+  attached to a particular shared memory segment detaches from the
+  segment by destroying its instance of QSharedMemory, the Unix kernel
+  release the shared memory segment. But if that last thread or
+  process crashes without running the QSharedMemory destructor, the
+  shared memory segment survives the crash.
+
+  \o HP-UX: Only one attach to a shared memory segment is allowed per
+  process. This means that QSharedMemory should not be used across
+  multiple threads in the same process in HP-UX.
+
+  \endlist
+
+  Remember to lock the shared memory with lock() before reading from
+  or writing to the shared memory, and remember to release the lock
+  with unlock() after you are done.
+
+  Unlike QtSharedMemory, QSharedMemory automatically destroys the
+  shared memory segment when the last instance of QSharedMemory is
+  detached from the segment, and no references to the segment
+  remain. Do not mix using QtSharedMemory and QSharedMemory. Port
+  everything to QSharedMemory.
+ */
+
+/*!
+  \overload QSharedMemory()
+
+  Constructs a shared memory object with the given \a parent.  The
+  shared memory object's key is not set by the constructor, so the
+  shared memory object does not have an underlying shared memory
+  segment attached. The key must be set with setKey() before create()
+  or attach() can be used.
+
+  \sa setKey()
+ */
+QSharedMemory::QSharedMemory(QObject *parent)
+  : QObject(*new QSharedMemoryPrivate, parent)
+{
+}
+
+/*!
+  Constructs a shared memory object with the given \a parent and with
+  its key set to \a key. Because its key is set, its create() and
+  attach() functions can be called.
+
+  \sa setKey(), create(), attach()
+ */
+QSharedMemory::QSharedMemory(const QString &key, QObject *parent)
+    : QObject(*new QSharedMemoryPrivate, parent)
+{
+    setKey(key);
+}
+
+/*!
+  The destructor clears the key, which forces the shared memory object
+  to \l {detach()} {detach} from its underlying shared memory
+  segment. If this shared memory object is the last one connected to
+  the shared memory segment, the detach() operation destroys the
+  shared memory segment.
+
+  \sa detach() isAttached()
+ */
+QSharedMemory::~QSharedMemory()
+{
+    setKey(QString());
+}
+
+/*!
+  Sets a new \a key for this shared memory object.  If \a key and the
+  current key are the same, the function returns without doing
+  anything. If the shared memory object is attached to an underlying
+  shared memory segment, it will \l {detach()} {detach} from it before
+  setting the new key. This function does not do an attach().
+
+  \sa key() isAttached()
+ */
+void QSharedMemory::setKey(const QString &key)
+{
+    Q_D(QSharedMemory);
+    if (key == d->key)
+        return;
+
+    if (isAttached())
+        detach();
+    d->cleanHandle();
+    d->key = key;
+}
+
+bool QSharedMemoryPrivate::initKey()
+{
+    if (!cleanHandle())
+        return false;
+#ifndef QT_NO_SYSTEMSEMAPHORE
+    systemSemaphore.setKey(QString(), 1);
+    systemSemaphore.setKey(key, 1);
+    if (systemSemaphore.error() != QSystemSemaphore::NoError) {
+        QString function = QLatin1String("QSharedMemoryPrivate::initKey");
+        errorString = QSharedMemory::tr("%1: unable to set key on lock").arg(function);
+        switch(systemSemaphore.error()) {
+        case QSystemSemaphore::PermissionDenied:
+            error = QSharedMemory::PermissionDenied;
+            break;
+        case QSystemSemaphore::KeyError:
+            error = QSharedMemory::KeyError;
+            break;
+        case QSystemSemaphore::AlreadyExists:
+            error = QSharedMemory::AlreadyExists;
+            break;
+        case QSystemSemaphore::NotFound:
+            error = QSharedMemory::NotFound;
+            break;
+        case QSystemSemaphore::OutOfResources:
+            error = QSharedMemory::OutOfResources;
+            break;
+        case QSystemSemaphore::UnknownError:
+        default:
+            error = QSharedMemory::UnknownError;
+            break;
+        }
+        return false;
+    }
+#endif
+    errorString = QString();
+    error = QSharedMemory::NoError;
+    return true;
+}
+
+/*!
+  Returns the key assigned to this shared memory. The key is the
+  identifier used by the operating system to identify the shared
+  memory segment. When QSharedMemory is used for interprocess
+  communication, the key is how each process attaches to the shared
+  memory segment through which the IPC occurs.
+
+    \sa setKey()
+ */
+QString QSharedMemory::key() const
+{
+    Q_D(const QSharedMemory);
+    return d->key;
+}
+
+/*!
+  Creates a shared memory segment of \a size bytes with the key passed
+  to the constructor or set with setKey(), attaches to the new shared
+  memory segment with the given access \a mode, and returns \tt true.
+  If a shared memory segment identified by the key already exists, the
+  attach operation is not performed, and \tt false is returned. When
+  the return value is \tt false, call error() to determine which error
+  occurred.
+
+  \sa error()
+ */
+bool QSharedMemory::create(int size, AccessMode mode)
+{
+    Q_D(QSharedMemory);
+
+    if (!d->initKey())
+        return false;
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+#ifndef Q_OS_WIN
+    // Take ownership and force set initialValue because the semaphore
+    // might have already existed from a previous crash.
+    d->systemSemaphore.setKey(d->key, 1, QSystemSemaphore::Create);
+#endif
+#endif
+
+    QString function = QLatin1String("QSharedMemory::create");
+#ifndef QT_NO_SYSTEMSEMAPHORE
+    QSharedMemoryLocker lock(this);
+    if (!d->tryLocker(&lock, function))
+        return false;
+#endif
+
+    if (size <= 0) {
+        d->error = QSharedMemory::InvalidSize;
+        d->errorString =
+	    QSharedMemory::tr("%1: create size is less then 0").arg(function);
+        return false;
+    }
+
+    if (!d->create(size))
+        return false;
+
+    return d->attach(mode);
+}
+
+/*!
+  Returns the size of the attached shared memory segment. If no shared
+  memory segment is attached, 0 is returned.
+
+  \sa create() attach()
+ */
+int QSharedMemory::size() const
+{
+    Q_D(const QSharedMemory);
+    return d->size;
+}
+
+/*!
+  \enum QSharedMemory::AccessMode
+
+  \value ReadOnly The shared memory segment is read-only. Writing to
+  the shared memory segment is not allowed. An attempt to write to a
+  shared memory segment created with ReadOnly causes the program to
+  abort.
+
+  \value ReadWrite Reading and writing the shared memory segment are
+  both allowed.
+*/
+
+/*!
+  Attempts to attach the process to the shared memory segment
+  identified by the key that was passed to the constructor or to a
+  call to setKey(). The access \a mode is \l {QSharedMemory::}
+  {ReadWrite} by default. It can also be \l {QSharedMemory::}
+  {ReadOnly}. Returns true if the attach operation is successful. If
+  false is returned, call error() to determine which error occurred.
+  After attaching the shared memory segment, a pointer to the shared
+  memory can be obtained by calling data().
+
+  \sa isAttached(), detach(), create()
+ */
+bool QSharedMemory::attach(AccessMode mode)
+{
+    Q_D(QSharedMemory);
+
+    if (isAttached() || !d->initKey())
+        return false;
+#ifndef QT_NO_SYSTEMSEMAPHORE
+    QSharedMemoryLocker lock(this);
+    if (!d->tryLocker(&lock, QLatin1String("QSharedMemory::attach")))
+        return false;
+#endif
+
+    if (isAttached() || !d->handle())
+        return false;
+
+    return d->attach(mode);
+}
+
+/*!
+  Returns true if this process is attached to the shared memory
+  segment.
+
+  \sa attach(), detach()
+ */
+bool QSharedMemory::isAttached() const
+{
+    Q_D(const QSharedMemory);
+    return (0 != d->memory);
+}
+
+/*!
+  Detaches the process from the shared memory segment. If this was the
+  last process attached to the shared memory segment, then the shared
+  memory segment is released by the system, i.e., the contents are
+  destroyed. The function returns true if it detaches the shared
+  memory segment. If it returns false, it usually means the segment
+  either isn't attached, or it is locked by another process.
+
+  \sa attach(), isAttached()
+ */
+bool QSharedMemory::detach()
+{
+    Q_D(QSharedMemory);
+    if (!isAttached())
+        return false;
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+    QSharedMemoryLocker lock(this);
+    if (!d->tryLocker(&lock, QLatin1String("QSharedMemory::detach")))
+        return false;
+#endif
+
+    if (d->detach()) {
+        d->size = 0;
+        return true;
+    }
+    return false;
+}
+
+/*!
+  Returns a pointer to the contents of the shared memory segment, if
+  one is attached. Otherwise it returns null. Remember to lock the
+  shared memory with lock() before reading from or writing to the
+  shared memory, and remember to release the lock with unlock() after
+  you are done.
+
+  \sa attach()
+ */
+void *QSharedMemory::data()
+{
+    Q_D(QSharedMemory);
+    return d->memory;
+}
+
+/*!
+  Returns a const pointer to the contents of the shared memory
+  segment, if one is attached. Otherwise it returns null. Remember to
+  lock the shared memory with lock() before reading from or writing to
+  the shared memory, and remember to release the lock with unlock()
+  after you are done.
+
+  \sa attach() create()
+ */
+const void* QSharedMemory::constData() const
+{
+    Q_D(const QSharedMemory);
+    return d->memory;
+}
+
+/*!
+  \overload data()
+ */
+const void *QSharedMemory::data() const
+{
+    Q_D(const QSharedMemory);
+    return d->memory;
+}
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+/*!
+  This is a semaphore that locks the shared memory segment for access
+  by this process and returns true. If another process has locked the
+  segment, this function blocks until the lock is released. Then it
+  acquires the lock and returns true. If this function returns false,
+  it means either that you have ignored a false return from create()
+  or attach(), or that QSystemSemaphore::acquire() failed due to an
+  unknown system error.
+
+  \sa unlock(), data(), QSystemSemaphore::acquire()
+ */
+bool QSharedMemory::lock()
+{
+    Q_D(QSharedMemory);
+    if (d->lockedByMe) {
+        qWarning("QSharedMemory::lock: already locked");
+        return true;
+    }
+    if (d->systemSemaphore.acquire()) {
+        d->lockedByMe = true;
+        return true;
+    }
+    QString function = QLatin1String("QSharedMemory::lock");
+    d->errorString = QSharedMemory::tr("%1: unable to lock").arg(function);
+    d->error = QSharedMemory::LockError;
+    return false;
+}
+
+/*!
+  Releases the lock on the shared memory segment and returns true, if
+  the lock is currently held by this process. If the segment is not
+  locked, or if the lock is held by another process, nothing happens
+  and false is returned.
+
+  \sa lock()
+ */
+bool QSharedMemory::unlock()
+{
+    Q_D(QSharedMemory);
+    if (!d->lockedByMe)
+        return false;
+    d->lockedByMe = false;
+    if (d->systemSemaphore.release())
+        return true;
+    QString function = QLatin1String("QSharedMemory::unlock");
+    d->errorString = QSharedMemory::tr("%1: unable to unlock").arg(function);
+    d->error = QSharedMemory::LockError;
+    return false;
+}
+#endif // QT_NO_SYSTEMSEMAPHORE
+
+/*!
+  \enum QSharedMemory::SharedMemoryError
+
+  \value NoError No error occurred.
+
+  \value PermissionDenied The operation failed because the caller
+  didn't have the required permissions.
+
+  \value InvalidSize A create operation failed because the requested
+  size was invalid.
+
+  \value KeyError The operation failed because of an invalid key.
+
+  \value AlreadyExists A create() operation failed because a shared
+  memory segment with the specified key already existed.
+
+  \value NotFound An attach() failed because a shared memory segment
+  with the specified key could not be found.
+
+  \value LockError The attempt to lock() the shared memory segment
+  failed because create() or attach() failed and returned false, or
+  because a system error occurred in QSystemSemaphore::acquire().
+
+  \value OutOfResources A create() operation failed because there was
+  not enough memory available to fill the request.
+
+  \value UnknownError Something else happened and it was bad.
+*/
+
+/*!
+  Returns a value indicating whether an error occurred, and, if so,
+  which error it was.
+
+  \sa errorString()
+ */
+QSharedMemory::SharedMemoryError QSharedMemory::error() const
+{
+    Q_D(const QSharedMemory);
+    return d->error;
+}
+
+/*!
+  Returns a text description of the last error that occurred. If
+  error() returns an \l {QSharedMemory::SharedMemoryError} {error
+  value}, call this function to get a text string that describes the
+  error.
+
+  \sa error()
+ */
+QString QSharedMemory::errorString() const
+{
+    Q_D(const QSharedMemory);
+    return d->errorString;
+}
+
+#endif // QT_NO_SHAREDMEMORY
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qsharedmemory.h b/src/corelib/kernel/qsharedmemory.h
new file mode 100644
index 0000000000..481a8153cb
--- /dev/null
+++ b/src/corelib/kernel/qsharedmemory.h
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSHAREDMEMORY_H
+#define QSHAREDMEMORY_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_SHAREDMEMORY
+
+class QSharedMemoryPrivate;
+
+class Q_CORE_EXPORT QSharedMemory : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QSharedMemory)
+
+public:
+    enum AccessMode
+    {
+        ReadOnly,
+        ReadWrite
+    };
+
+    enum SharedMemoryError
+    {
+        NoError,
+        PermissionDenied,
+        InvalidSize,
+        KeyError,
+        AlreadyExists,
+        NotFound,
+        LockError,
+        OutOfResources,
+        UnknownError
+    };
+
+    QSharedMemory(QObject *parent = 0);
+    QSharedMemory(const QString &key, QObject *parent = 0);
+    ~QSharedMemory();
+
+    void setKey(const QString &key);
+    QString key() const;
+
+    bool create(int size, AccessMode mode = ReadWrite);
+    int size() const;
+
+    bool attach(AccessMode mode = ReadWrite);
+    bool isAttached() const;
+    bool detach();
+
+    void *data();
+    const void* constData() const;
+    const void *data() const;
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+    bool lock();
+    bool unlock();
+#endif
+
+    SharedMemoryError error() const;
+    QString errorString() const;
+
+private:
+    Q_DISABLE_COPY(QSharedMemory)
+};
+
+#endif // QT_NO_SHAREDMEMORY
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSHAREDMEMORY_H
+
diff --git a/src/corelib/kernel/qsharedmemory_p.h b/src/corelib/kernel/qsharedmemory_p.h
new file mode 100644
index 0000000000..08f0321ad8
--- /dev/null
+++ b/src/corelib/kernel/qsharedmemory_p.h
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSHAREDMEMORY_P_H
+#define QSHAREDMEMORY_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qsharedmemory.h"
+
+#ifdef QT_NO_SHAREDMEMORY
+# ifndef QT_NO_SYSTEMSEMAPHORE
+namespace QSharedMemoryPrivate
+{
+    int createUnixKeyFile(const QString &fileName);
+    QString makePlatformSafeKey(const QString &key,
+            const QString &prefix = QLatin1String("qipc_sharedmemory_"));
+}
+#endif
+#else
+
+#include "qsystemsemaphore.h"
+#include "private/qobject_p.h"
+
+#ifdef Q_OS_WIN
+#include <qt_windows.h>
+#else
+#include <sys/sem.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+/*!
+  Helper class
+  */
+class QSharedMemoryLocker
+{
+
+public:
+    inline QSharedMemoryLocker(QSharedMemory *sharedMemory) : q_sm(sharedMemory)
+    {
+        Q_ASSERT(q_sm);
+    }
+
+    inline ~QSharedMemoryLocker()
+    {
+        if (q_sm)
+            q_sm->unlock();
+    }
+
+    inline bool lock()
+    {
+        if (q_sm && q_sm->lock())
+            return true;
+        q_sm = 0;
+        return false;
+    }
+
+private:
+    QSharedMemory *q_sm;
+};
+#endif // QT_NO_SYSTEMSEMAPHORE
+
+class Q_AUTOTEST_EXPORT QSharedMemoryPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QSharedMemory)
+
+public:
+    QSharedMemoryPrivate();
+
+    void *memory;
+    int size;
+    QString key;
+    QSharedMemory::SharedMemoryError error;
+    QString errorString;
+#ifndef QT_NO_SYSTEMSEMAPHORE
+    QSystemSemaphore systemSemaphore;
+    bool lockedByMe;
+#endif
+
+    static int createUnixKeyFile(const QString &fileName);
+    static QString makePlatformSafeKey(const QString &key,
+            const QString &prefix = QLatin1String("qipc_sharedmemory_"));
+#ifdef Q_OS_WIN
+    HANDLE handle();
+#else
+    key_t handle();
+#endif
+    bool initKey();
+    bool cleanHandle();
+    bool create(int size);
+    bool attach(QSharedMemory::AccessMode mode);
+    bool detach();
+
+    void setErrorString(const QString &function);
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+    bool tryLocker(QSharedMemoryLocker *locker, const QString function) {
+        if (!locker->lock()) {
+            errorString = QSharedMemory::tr("%1: unable to lock").arg(function);
+            error = QSharedMemory::LockError;
+            return false;
+        }
+        return true;
+    }
+#endif // QT_NO_SYSTEMSEMAPHORE
+
+private:
+#ifdef Q_OS_WIN
+    HANDLE hand;
+#else
+    key_t unix_key;
+#endif
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SHAREDMEMORY
+
+#endif // QSHAREDMEMORY_P_H
+
diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp
new file mode 100644
index 0000000000..487c6530dd
--- /dev/null
+++ b/src/corelib/kernel/qsharedmemory_unix.cpp
@@ -0,0 +1,305 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include "qsharedmemory.h"
+#include "qsharedmemory_p.h"
+#include "qsystemsemaphore.h"
+#include <qdir.h>
+#include <qdebug.h>
+
+#include <errno.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_SHAREDMEMORY
+
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+QSharedMemoryPrivate::QSharedMemoryPrivate()
+    : QObjectPrivate(), memory(0), size(0), error(QSharedMemory::NoError),
+#ifndef QT_NO_SYSTEMSEMAPHORE
+      systemSemaphore(QString()), lockedByMe(false),
+#endif
+      unix_key(0)
+{
+}
+
+void QSharedMemoryPrivate::setErrorString(const QString &function)
+{
+    // EINVAL is handled in functions so they can give better error strings
+    switch (errno) {
+    case EACCES:
+        errorString = QSharedMemory::tr("%1: permission denied").arg(function);
+        error = QSharedMemory::PermissionDenied;
+        break;
+    case EEXIST:
+        errorString = QSharedMemory::tr("%1: already exists").arg(function);
+        error = QSharedMemory::AlreadyExists;
+        break;
+    case ENOENT:
+        errorString = QSharedMemory::tr("%1: doesn't exists").arg(function);
+        error = QSharedMemory::NotFound;
+        break;
+    case EMFILE:
+    case ENOMEM:
+    case ENOSPC:
+        errorString = QSharedMemory::tr("%1: out of resources").arg(function);
+        error = QSharedMemory::OutOfResources;
+        break;
+    default:
+        errorString = QSharedMemory::tr("%1: unknown error %2").arg(function).arg(errno);
+        error = QSharedMemory::UnknownError;
+#if defined QSHAREDMEMORY_DEBUG
+        qDebug() << errorString << "key" << key << "errno" << errno << EINVAL;
+#endif
+    }
+}
+
+/*!
+    \internal
+
+    If not already made create the handle used for accessing the shared memory.
+*/
+key_t QSharedMemoryPrivate::handle()
+{
+    // already made
+    if (unix_key)
+        return unix_key;
+
+    // don't allow making handles on empty keys
+    if (key.isEmpty()) {
+        errorString = QSharedMemory::tr("%1: key is empty").arg(QLatin1String("QSharedMemory::handle:"));
+        error = QSharedMemory::KeyError;
+        return 0;
+    }
+
+    // ftok requires that an actual file exists somewhere
+    QString fileName = makePlatformSafeKey(key);
+    if (!QFile::exists(fileName)) {
+        errorString = QSharedMemory::tr("%1: unix key file doesn't exists").arg(QLatin1String("QSharedMemory::handle:"));
+        error = QSharedMemory::NotFound;
+        return 0;
+    }
+
+    unix_key = ftok(QFile::encodeName(fileName).constData(), 'Q');
+    if (-1 == unix_key) {
+        errorString = QSharedMemory::tr("%1: ftok failed").arg(QLatin1String("QSharedMemory::handle:"));
+        error = QSharedMemory::KeyError;
+        unix_key = 0;
+    }
+    return unix_key;
+}
+
+#endif // QT_NO_SHAREDMEMORY
+
+#if !(defined(QT_NO_SHAREDMEMORY) && defined(QT_NO_SYSTEMSEMAPHORE))
+/*!
+    \internal
+    Creates the unix file if needed.
+    returns true if the unix file was created.
+
+    -1 error
+     0 already existed
+     1 created
+  */
+int QSharedMemoryPrivate::createUnixKeyFile(const QString &fileName)
+{
+    if (QFile::exists(fileName))
+        return 0;
+
+    int fd = open(QFile::encodeName(fileName).constData(),
+            O_EXCL | O_CREAT | O_RDWR, 0640);
+    if (-1 == fd) {
+        if (errno == EEXIST)
+            return 0;
+        return -1;
+    } else {
+        close(fd);
+    }
+    return 1;
+}
+#endif // QT_NO_SHAREDMEMORY && QT_NO_SYSTEMSEMAPHORE
+
+#ifndef QT_NO_SHAREDMEMORY
+
+bool QSharedMemoryPrivate::cleanHandle()
+{
+    unix_key = 0;
+    return true;
+}
+
+bool QSharedMemoryPrivate::create(int size)
+{
+    // build file if needed
+    bool createdFile = false;
+    int built = createUnixKeyFile(makePlatformSafeKey(key));
+    if (built == -1) {
+        errorString = QSharedMemory::tr("%1: unable to make key").arg(QLatin1String("QSharedMemory::handle:"));
+        error = QSharedMemory::KeyError;
+        return false;
+    }
+    if (built == 1) {
+        createdFile = true;
+    }
+
+    // get handle
+    if (!handle()) {
+        if (createdFile)
+            QFile::remove(makePlatformSafeKey(key));
+        return false;
+    }
+
+    // create
+    if (-1 == shmget(handle(), size, 0666 | IPC_CREAT | IPC_EXCL)) {
+        QString function = QLatin1String("QSharedMemory::create");
+        switch (errno) {
+        case EINVAL:
+            errorString = QSharedMemory::tr("%1: system-imposed size restrictions").arg(QLatin1String("QSharedMemory::handle"));
+            error = QSharedMemory::InvalidSize;
+            break;
+        default:
+            setErrorString(function);
+        }
+        if (createdFile && error != QSharedMemory::AlreadyExists)
+            QFile::remove(makePlatformSafeKey(key));
+        return false;
+    }
+
+    return true;
+}
+
+bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
+{
+    // grab the shared memory segment id
+    if (!handle())
+        return false;
+
+    int id = shmget(handle(), 0, (mode == QSharedMemory::ReadOnly ? 0444 : 0660));
+    if (-1 == id) {
+        setErrorString(QLatin1String("QSharedMemory::attach (shmget)"));
+        return false;
+    }
+
+    // grab the memory
+    memory = shmat(id, 0, (mode == QSharedMemory::ReadOnly ? SHM_RDONLY : 0));
+    if ((void*) - 1 == memory) {
+        memory = 0;
+        setErrorString(QLatin1String("QSharedMemory::attach (shmat)"));
+        return false;
+    }
+
+    // grab the size
+    shmid_ds shmid_ds;
+    if (!shmctl(id, IPC_STAT, &shmid_ds)) {
+        size = (int)shmid_ds.shm_segsz;
+    } else {
+        setErrorString(QLatin1String("QSharedMemory::attach (shmctl)"));
+        return false;
+    }
+
+    return true;
+}
+
+bool QSharedMemoryPrivate::detach()
+{
+    // detach from the memory segment
+    if (-1 == shmdt(memory)) {
+        QString function = QLatin1String("QSharedMemory::detach");
+        switch (errno) {
+        case EINVAL:
+            errorString = QSharedMemory::tr("%1: not attached").arg(function);
+            error = QSharedMemory::NotFound;
+            break;
+        default:
+            setErrorString(function);
+        }
+        return false;
+    }
+    memory = 0;
+
+    // Get the number of current attachments
+    if (!handle())
+        return false;
+    int id = shmget(handle(), 0, 0444);
+    unix_key = 0;
+
+    struct shmid_ds shmid_ds;
+    if (0 != shmctl(id, IPC_STAT, &shmid_ds)) {
+        switch (errno) {
+        case EINVAL:
+            return true;
+        default:
+            return false;
+        }
+    }
+    // If there are no attachments then remove it.
+    if (shmid_ds.shm_nattch == 0) {
+        // mark for removal
+        struct shmid_ds shmid_ds;
+        if (-1 == shmctl(id, IPC_RMID, &shmid_ds)) {
+            setErrorString(QLatin1String("QSharedMemory::remove"));
+            switch (errno) {
+            case EINVAL:
+                return true;
+            default:
+                return false;
+            }
+        }
+
+        // remove file
+        if (!QFile::remove(makePlatformSafeKey(key)))
+            return false;
+    }
+    return true;
+}
+
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SHAREDMEMORY
diff --git a/src/corelib/kernel/qsharedmemory_win.cpp b/src/corelib/kernel/qsharedmemory_win.cpp
new file mode 100644
index 0000000000..b71fbd023a
--- /dev/null
+++ b/src/corelib/kernel/qsharedmemory_win.cpp
@@ -0,0 +1,208 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsharedmemory.h"
+#include "qsharedmemory_p.h"
+#include "qsystemsemaphore.h"
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_SHAREDMEMORY
+
+QSharedMemoryPrivate::QSharedMemoryPrivate() : QObjectPrivate(),
+        memory(0), size(0), error(QSharedMemory::NoError),
+           systemSemaphore(QString()), lockedByMe(false), hand(0)
+{
+}
+
+void QSharedMemoryPrivate::setErrorString(const QString &function)
+{
+    BOOL windowsError = GetLastError();
+    if (windowsError == 0)
+        return;
+    switch (windowsError) {
+    case ERROR_ALREADY_EXISTS:
+        error = QSharedMemory::AlreadyExists;
+        errorString = QSharedMemory::tr("%1: already exists").arg(function);
+    break;
+    case ERROR_FILE_NOT_FOUND:
+#ifdef Q_OS_WINCE
+        // This happens on CE only if no file is present as CreateFileMappingW
+        // bails out with this error code
+    case ERROR_INVALID_PARAMETER:
+#endif
+        error = QSharedMemory::NotFound;
+        errorString = QSharedMemory::tr("%1: doesn't exists").arg(function);
+        break;
+    case ERROR_COMMITMENT_LIMIT:
+        error = QSharedMemory::InvalidSize;
+        errorString = QSharedMemory::tr("%1: invalid size").arg(function);
+        break;
+    case ERROR_NO_SYSTEM_RESOURCES:
+    case ERROR_NOT_ENOUGH_MEMORY:
+        error = QSharedMemory::OutOfResources;
+        errorString = QSharedMemory::tr("%1: out of resources").arg(function);
+        break;
+    case ERROR_ACCESS_DENIED:
+        error = QSharedMemory::PermissionDenied;
+        errorString = QSharedMemory::tr("%1: permission denied").arg(function);
+        break;
+    default:
+        errorString = QSharedMemory::tr("%1: unknown error %2").arg(function).arg(windowsError);
+        error = QSharedMemory::UnknownError;
+#if defined QSHAREDMEMORY_DEBUG
+        qDebug() << errorString << "key" << key;
+#endif
+    }
+}
+
+HANDLE QSharedMemoryPrivate::handle()
+{
+    if (!hand) {
+        QString function = QLatin1String("QSharedMemory::handle");
+        QString safeKey = makePlatformSafeKey(key);
+        if (safeKey.isEmpty()) {
+            error = QSharedMemory::KeyError;
+            errorString = QSharedMemory::tr("%1: unable to make key").arg(function);
+            return false;
+        }
+#ifndef Q_OS_WINCE
+    QT_WA({
+            hand = OpenFileMappingW(FILE_MAP_ALL_ACCESS, false, (TCHAR*)safeKey.utf16());
+        }, {
+            hand = OpenFileMappingA(FILE_MAP_ALL_ACCESS, false, safeKey.toLocal8Bit().constData());
+        });
+#else
+        // This works for opening a mapping too, but always opens it with read/write access in
+        // attach as it seems.
+        hand = CreateFileMappingW(INVALID_HANDLE_VALUE,
+               0, PAGE_READWRITE, 0, 0, (TCHAR*)safeKey.utf16());
+#endif
+        if (!hand) {
+            setErrorString(function);
+            return false;
+        }
+    }
+    return hand;
+}
+
+bool QSharedMemoryPrivate::cleanHandle()
+{
+    if (hand != 0 && !CloseHandle(hand)) {
+        hand = 0;
+        return false;
+        setErrorString(QLatin1String("QSharedMemory::cleanHandle"));
+    }
+    hand = 0;
+    return true;
+}
+
+bool QSharedMemoryPrivate::create(int size)
+{
+    // Get a windows acceptable key
+    QString safeKey = makePlatformSafeKey(key);
+    QString function = QLatin1String("QSharedMemory::create");
+    if (safeKey.isEmpty()) {
+        error = QSharedMemory::KeyError;
+        errorString = QSharedMemory::tr("%1: key error").arg(function);
+        return false;
+    }
+
+    // Create the file mapping.
+    QT_WA( {
+        hand = CreateFileMappingW(INVALID_HANDLE_VALUE,
+               0, PAGE_READWRITE, 0, size, (TCHAR*)safeKey.utf16());
+    }, {
+        hand = CreateFileMappingA(INVALID_HANDLE_VALUE,
+               0, PAGE_READWRITE, 0, size, safeKey.toLocal8Bit().constData());
+    } );
+    setErrorString(function);
+
+    // hand is valid when it already exists unlike unix so explicitly check
+    if (error == QSharedMemory::AlreadyExists || !hand)
+        return false;
+
+    return true;
+}
+
+bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
+{
+    // Grab a pointer to the memory block
+    int permissions = (mode == QSharedMemory::ReadOnly ? FILE_MAP_READ : FILE_MAP_ALL_ACCESS);
+    memory = (void *)MapViewOfFile(handle(), permissions, 0, 0, 0);
+    if (0 == memory) {
+        setErrorString(QLatin1String("QSharedMemory::attach"));
+        cleanHandle();
+        return false;
+    }
+
+    // Grab the size of the memory we have been given (a multiple of 4K on windows)
+    MEMORY_BASIC_INFORMATION info;
+    if (!VirtualQuery(memory, &info, sizeof(info))) {
+        // Windows doesn't set an error code on this one,
+        // it should only be a kernel memory error.
+        error = QSharedMemory::UnknownError;
+        errorString = QSharedMemory::tr("%1: size query failed").arg(QLatin1String("QSharedMemory::attach: "));
+        return false;
+    }
+    size = info.RegionSize;
+
+    return true;
+}
+
+bool QSharedMemoryPrivate::detach()
+{
+    // umap memory
+    if (!UnmapViewOfFile(memory)) {
+        setErrorString(QLatin1String("QSharedMemory::detach"));
+        return false;
+    }
+    memory = 0;
+
+    // close handle
+    return cleanHandle();
+}
+
+#endif //QT_NO_SHAREDMEMORY
+
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qsignalmapper.cpp b/src/corelib/kernel/qsignalmapper.cpp
new file mode 100644
index 0000000000..23c6ba7a8e
--- /dev/null
+++ b/src/corelib/kernel/qsignalmapper.cpp
@@ -0,0 +1,321 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsignalmapper.h"
+#ifndef QT_NO_SIGNALMAPPER
+#include "qhash.h"
+#include "qobject_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QSignalMapperPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QSignalMapper)
+public:
+    void _q_senderDestroyed() {
+        Q_Q(QSignalMapper);
+        q->removeMappings(q->sender());
+    }
+    QHash<QObject *, int> intHash;
+    QHash<QObject *, QString> stringHash;
+    QHash<QObject *, QWidget*> widgetHash;
+    QHash<QObject *, QObject*> objectHash;
+
+};
+
+
+/*!
+    \class QSignalMapper
+    \brief The QSignalMapper class bundles signals from identifiable senders.
+
+    \ingroup io
+    \mainclass
+
+    This class collects a set of parameterless signals, and re-emits
+    them with integer, string or widget parameters corresponding to
+    the object that sent the signal.
+
+    The class supports the mapping of particular strings or integers
+    with particular objects using setMapping(). The objects' signals
+    can then be connected to the map() slot which will emit the
+    mapped() signal with the string or integer associated with the
+    original signalling object. Mappings can be removed later using
+    removeMappings().
+
+    Example: Suppose we want to create a custom widget that contains
+    a group of buttons (like a tool palette). One approach is to
+    connect each button's \c clicked() signal to its own custom slot;
+    but in this example we want to connect all the buttons to a
+    single slot and parameterize the slot by the button that was
+    clicked.
+
+    Here's the definition of a simple custom widget that has a single
+    signal, \c clicked(), which is emitted with the text of the button
+    that was clicked:
+
+    \snippet doc/src/snippets/qsignalmapper/buttonwidget.h 0
+    \snippet doc/src/snippets/qsignalmapper/buttonwidget.h 1
+
+    The only function that we need to implement is the constructor:
+
+    \snippet doc/src/snippets/qsignalmapper/buttonwidget.cpp 0
+    \snippet doc/src/snippets/qsignalmapper/buttonwidget.cpp 1
+    \snippet doc/src/snippets/qsignalmapper/buttonwidget.cpp 2
+
+    A list of texts is passed to the constructor. A signal mapper is
+    constructed and for each text in the list a QPushButton is
+    created. We connect each button's \c clicked() signal to the
+    signal mapper's map() slot, and create a mapping in the signal
+    mapper from each button to the button's text. Finally we connect
+    the signal mapper's mapped() signal to the custom widget's \c
+    clicked() signal. When the user clicks a button, the custom
+    widget will emit a single \c clicked() signal whose argument is
+    the text of the button the user clicked.
+
+    \sa QObject, QButtonGroup, QActionGroup
+*/
+
+/*!
+    Constructs a QSignalMapper with parent \a parent.
+*/
+QSignalMapper::QSignalMapper(QObject* parent)
+    : QObject(*new QSignalMapperPrivate, parent)
+{
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    \overload QSignalMapper()
+    \obsolete
+ */
+QSignalMapper::QSignalMapper(QObject *parent, const char *name)
+    : QObject(*new QSignalMapperPrivate, parent)
+{
+    setObjectName(QString::fromAscii(name));
+}
+#endif
+
+/*!
+    Destroys the QSignalMapper.
+*/
+QSignalMapper::~QSignalMapper()
+{
+}
+
+/*!
+    Adds a mapping so that when map() is signalled from the given \a
+    sender, the signal mapped(\a id) is emitted.
+
+    There may be at most one integer ID for each sender.
+
+    \sa mapping()
+*/
+void QSignalMapper::setMapping(QObject *sender, int id)
+{
+    Q_D(QSignalMapper);
+    d->intHash.insert(sender, id);
+    connect(sender, SIGNAL(destroyed()), this, SLOT(_q_senderDestroyed()));
+}
+
+/*!
+    Adds a mapping so that when map() is signalled from the \a sender,
+    the signal mapped(\a text ) is emitted.
+
+    There may be at most one text for each sender.
+*/
+void QSignalMapper::setMapping(QObject *sender, const QString &text)
+{
+    Q_D(QSignalMapper);
+    d->stringHash.insert(sender, text);
+    connect(sender, SIGNAL(destroyed()), this, SLOT(_q_senderDestroyed()));
+}
+
+/*!
+    Adds a mapping so that when map() is signalled from the \a sender,
+    the signal mapped(\a widget ) is emitted.
+
+    There may be at most one widget for each sender.
+*/
+void QSignalMapper::setMapping(QObject *sender, QWidget *widget)
+{
+    Q_D(QSignalMapper);
+    d->widgetHash.insert(sender, widget);
+    connect(sender, SIGNAL(destroyed()), this, SLOT(_q_senderDestroyed()));
+}
+
+/*!
+    Adds a mapping so that when map() is signalled from the \a sender,
+    the signal mapped(\a object ) is emitted.
+
+    There may be at most one object for each sender.
+*/
+void QSignalMapper::setMapping(QObject *sender, QObject *object)
+{
+    Q_D(QSignalMapper);
+    d->objectHash.insert(sender, object);
+    connect(sender, SIGNAL(destroyed()), this, SLOT(_q_senderDestroyed()));
+}
+
+/*!
+    Returns the sender QObject that is associated with the \a id.
+
+    \sa setMapping()
+*/
+QObject *QSignalMapper::mapping(int id) const
+{
+    Q_D(const QSignalMapper);
+    return d->intHash.key(id);
+}
+
+/*!
+    \overload mapping()
+*/
+QObject *QSignalMapper::mapping(const QString &id) const
+{
+    Q_D(const QSignalMapper);
+    return d->stringHash.key(id);
+}
+
+/*!
+    \overload mapping()
+
+    Returns the sender QObject that is associated with the \a widget.
+*/
+QObject *QSignalMapper::mapping(QWidget *widget) const
+{
+    Q_D(const QSignalMapper);
+    return d->widgetHash.key(widget);
+}
+
+/*!
+    \overload mapping()
+
+    Returns the sender QObject that is associated with the \a object.
+*/
+QObject *QSignalMapper::mapping(QObject *object) const
+{
+    Q_D(const QSignalMapper);
+    return d->objectHash.key(object);
+}
+
+/*!
+    Removes all mappings for \a sender.
+
+    This is done automatically when mapped objects are destroyed.
+*/
+void QSignalMapper::removeMappings(QObject *sender)
+{
+    Q_D(QSignalMapper);
+
+    d->intHash.remove(sender);
+    d->stringHash.remove(sender);
+    d->widgetHash.remove(sender);
+    d->objectHash.remove(sender);
+}
+
+/*!
+    This slot emits signals based on which object sends signals to it.
+*/
+void QSignalMapper::map() { map(sender()); }
+
+/*!
+    This slot emits signals based on the \a sender object.
+*/
+void QSignalMapper::map(QObject *sender)
+{
+    Q_D(QSignalMapper);
+    if (d->intHash.contains(sender))
+        emit mapped(d->intHash.value(sender));
+    if (d->stringHash.contains(sender))
+        emit mapped(d->stringHash.value(sender));
+    if (d->widgetHash.contains(sender))
+        emit mapped(d->widgetHash.value(sender));
+    if (d->objectHash.contains(sender))
+        emit mapped(d->objectHash.value(sender));
+}
+
+
+/*!
+    \fn void QSignalMapper::mapped(int i)
+
+    This signal is emitted when map() is signalled from an object that
+    has an integer mapping set. The object's mapped integer is passed
+    in \a i.
+
+    \sa setMapping()
+*/
+
+/*!
+    \fn void QSignalMapper::mapped(const QString &text)
+
+    This signal is emitted when map() is signalled from an object that
+    has a string mapping set. The object's mapped string is passed in
+    \a text.
+
+    \sa setMapping()
+*/
+
+/*!
+    \fn void QSignalMapper::mapped(QWidget *widget)
+
+    This signal is emitted when map() is signalled from an object that
+    has a widget mapping set. The object's mapped widget is passed in
+    \a widget.
+
+    \sa setMapping()
+*/
+
+/*!
+    \fn void QSignalMapper::mapped(QObject *object)
+
+    This signal is emitted when map() is signalled from an object that
+    has an object mapping set. The object provided by the map is passed in
+    \a object.
+
+    \sa setMapping()
+*/
+
+QT_END_NAMESPACE
+
+#include "moc_qsignalmapper.cpp"
+
+#endif // QT_NO_SIGNALMAPPER
+
diff --git a/src/corelib/kernel/qsignalmapper.h b/src/corelib/kernel/qsignalmapper.h
new file mode 100644
index 0000000000..ab84b5619a
--- /dev/null
+++ b/src/corelib/kernel/qsignalmapper.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSIGNALMAPPER_H
+#define QSIGNALMAPPER_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_SIGNALMAPPER
+class QSignalMapperPrivate;
+
+class Q_CORE_EXPORT QSignalMapper : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QSignalMapper)
+public:
+    explicit QSignalMapper(QObject *parent = 0);
+    ~QSignalMapper();
+
+    void setMapping(QObject *sender, int id);
+    void setMapping(QObject *sender, const QString &text);
+    void setMapping(QObject *sender, QWidget *widget);
+    void setMapping(QObject *sender, QObject *object);
+    void removeMappings(QObject *sender);
+
+    QObject *mapping(int id) const;
+    QObject *mapping(const QString &text) const;
+    QObject *mapping(QWidget *widget) const;
+    QObject *mapping(QObject *object) const;
+
+Q_SIGNALS:
+    void mapped(int);
+    void mapped(const QString &);
+    void mapped(QWidget *);
+    void mapped(QObject *);
+
+public Q_SLOTS:
+    void map();
+    void map(QObject *sender);
+
+private:
+    Q_DISABLE_COPY(QSignalMapper)
+    Q_PRIVATE_SLOT(d_func(), void _q_senderDestroyed())
+
+#ifdef QT3_SUPPORT
+public:
+    QT3_SUPPORT_CONSTRUCTOR QSignalMapper(QObject *parent, const char *name);
+#endif
+};
+#endif // QT_NO_SIGNALMAPPER
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSIGNALMAPPER_H
diff --git a/src/corelib/kernel/qsocketnotifier.cpp b/src/corelib/kernel/qsocketnotifier.cpp
new file mode 100644
index 0000000000..0ff9c8e124
--- /dev/null
+++ b/src/corelib/kernel/qsocketnotifier.cpp
@@ -0,0 +1,322 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsocketnotifier.h"
+
+#include "qplatformdefs.h"
+
+#include "qabstracteventdispatcher.h"
+#include "qcoreapplication.h"
+
+#include "qobject_p.h"
+#include <private/qthread_p.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QSocketNotifier
+    \brief The QSocketNotifier class provides support for monitoring
+    activity on a file descriptor.
+
+    \ingroup io
+
+    The QSocketNotifier makes it possible to integrate Qt's event
+    loop with other event loops based on file descriptors. For
+    example, the \l{CORBA Framework} uses it to process CORBA
+    events.  File descriptor action is detected in Qt's main event
+    loop (QCoreApplication::exec()).
+
+    \target write notifiers
+
+    Once you have opened a device using a low-level (usually
+    platform-specific) API, you can create a socket notifier to
+    monitor the file descriptor. The socket notifier is enabled by
+    default, i.e. it emits the activated() signal whenever a socket
+    event corresponding to its type occurs. Connect the activated()
+    signal to the slot you want to be called when an event
+    corresponding to your socket notifier's type occurs.
+
+    There are three types of socket notifiers: read, write, and
+    exception. The type is described by the \l Type enum, and must be
+    specified when constructing the socket notifier. After
+    construction it can be determined using the type() function. Note
+    that if you need to monitor both reads and writes for the same
+    file descriptor, you must create two socket notifiers. Note also
+    that it is not possible to install two socket notifiers of the
+    same type (\l Read, \l Write, \l Exception) on the same socket.
+
+    The setEnabled() function allows you to disable as well as enable
+    the socket notifier. It is generally advisable to explicitly
+    enable or disable the socket notifier, especially for write
+    notifiers. A disabled notifier ignores socket events (the same
+    effect as not creating the socket notifier). Use the isEnabled()
+    function to determine the notifier's current status.
+
+    Finally, you can use the socket() function to retrieve the
+    socket identifier.  Although the class is called QSocketNotifier,
+    it is normally used for other types of devices than sockets.
+    QTcpSocket and QUdpSocket provide notification through signals, so
+    there is normally no need to use a QSocketNotifier on them.
+
+    \section1 Notes for Windows Users
+
+    The socket passed to QSocketNotifier will become non-blocking, even if
+    it was created as a blocking socket.
+    The activated() signal is sometimes triggered by high general activity
+    on the host, even if there is nothing to read. A subsequent read from
+    the socket can then fail, the error indicating that there is no data
+    available (e.g., \c{WSAEWOULDBLOCK}). This is an operating system
+    limitation, and not a bug in QSocketNotifier.
+
+    To ensure that the socket notifier handles read notifications correctly,
+    follow these steps when you receive a notification:
+
+    \list 1
+    \o Disable the notifier.
+    \o Read data from the socket.
+    \o Re-enable the notifier if you are interested in more data (such as after
+       having written a new command to a remote server).
+    \endlist
+
+    To ensure that the socket notifier handles write notifications correctly,
+    follow these steps when you receive a notification:
+
+    \list 1
+    \o Disable the notifier.
+    \o Write as much data as you can (before \c EWOULDBLOCK is returned).
+    \o Re-enable notifier if you have more data to write.
+    \endlist
+
+    \bold{Further information:}
+    On Windows, Qt always disables the notifier after getting a notification,
+    and only re-enables it if more data is expected. For example, if data is
+    read from the socket and it can be used to read more, or if reading or
+    writing is not possible because the socket would block, in which case
+    it is necessary to wait before attempting to read or write again.
+
+    \sa QFile, QProcess, QTcpSocket, QUdpSocket
+*/
+
+/*!
+    \enum QSocketNotifier::Type
+
+    This enum describes the various types of events that a socket
+    notifier can recognize. The type must be specified when
+    constructing the socket notifier.
+
+    Note that if you need to monitor both reads and writes for the
+    same file descriptor, you must create two socket notifiers. Note
+    also that it is not possible to install two socket notifiers of
+    the same type (Read, Write, Exception) on the same socket.
+
+    \value Read      There is data to be read.
+    \value Write      Data can be written.
+    \value Exception  An exception has occurred. We recommend against using this.
+
+    \sa QSocketNotifier(), type()
+*/
+
+/*!
+    Constructs a socket notifier with the given \a parent. It enables
+    the \a socket, and watches for events of the given \a type.
+
+    It is generally advisable to explicitly enable or disable the
+    socket notifier, especially for write notifiers.
+
+    \bold{Note for Windows users:} The socket passed to QSocketNotifier
+    will become non-blocking, even if it was created as a blocking socket.
+
+    \sa setEnabled(), isEnabled()
+*/
+
+QSocketNotifier::QSocketNotifier(int socket, Type type, QObject *parent)
+    : QObject(parent)
+{
+    if (socket < 0)
+        qWarning("QSocketNotifier: Invalid socket specified");
+    sockfd = socket;
+    sntype = type;
+    snenabled = true;
+
+    Q_D(QObject);
+    if (!d->threadData->eventDispatcher) {
+        qWarning("QSocketNotifier: Can only be used with threads started with QThread");
+    } else {
+        d->threadData->eventDispatcher->registerSocketNotifier(this);
+    }
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    \obsolete
+
+    Use the QSocketNotifier() constructor combined with the
+    QObject::setObjectName() function instead.
+
+    \oldcode
+        QSocketNotifier *notifier = new QSocketNotifier(socket, type, parent, name);
+    \newcode
+        QSocketNotifier *notifier = new QSocketNotifier(socket, type, parent);
+        notifier->setObjectName(name);
+    \endcode
+*/
+
+QSocketNotifier::QSocketNotifier(int socket, Type type, QObject *parent,
+                                  const char *name)
+    : QObject(parent)
+{
+    setObjectName(QString::fromAscii(name));
+    if (socket < 0)
+        qWarning("QSocketNotifier: Invalid socket specified");
+    sockfd = socket;
+    sntype = type;
+    snenabled = true;
+
+    Q_D(QObject);
+    if (!d->threadData->eventDispatcher) {
+        qWarning("QSocketNotifier: Can only be used with threads started with QThread");
+    } else {
+        d->threadData->eventDispatcher->registerSocketNotifier(this);
+    }
+}
+#endif
+/*!
+    Destroys this socket notifier.
+*/
+
+QSocketNotifier::~QSocketNotifier()
+{
+    setEnabled(false);
+}
+
+
+/*!
+    \fn void QSocketNotifier::activated(int socket)
+
+    This signal is emitted whenever the socket notifier is enabled and
+    a socket event corresponding to its \l {Type}{type} occurs.
+
+    The socket identifier is passed in the \a socket parameter.
+
+    \sa type(), socket()
+*/
+
+
+/*!
+    \fn int QSocketNotifier::socket() const
+
+    Returns the socket identifier specified to the constructor.
+
+    \sa type()
+*/
+
+/*!
+    \fn Type QSocketNotifier::type() const
+
+    Returns the socket event type specified to the constructor.
+
+    \sa socket()
+*/
+
+
+/*!
+    \fn bool QSocketNotifier::isEnabled() const
+
+    Returns true if the notifier is enabled; otherwise returns false.
+
+    \sa setEnabled()
+*/
+
+/*!
+    If \a enable is true, the notifier is enabled; otherwise the notifier
+    is disabled.
+
+    The notifier is enabled by default, i.e. it emits the activated()
+    signal whenever a socket event corresponding to its
+    \l{type()}{type} occurs. If it is disabled, it ignores socket
+    events (the same effect as not creating the socket notifier).
+
+    Write notifiers should normally be disabled immediately after the
+    activated() signal has been emitted
+
+    \sa isEnabled(), activated()
+*/
+
+void QSocketNotifier::setEnabled(bool enable)
+{
+    if (sockfd < 0)
+        return;
+    if (snenabled == enable)                        // no change
+        return;
+    snenabled = enable;
+
+    Q_D(QObject);
+    if (!d->threadData->eventDispatcher) // perhaps application/thread is shutting down
+        return;
+    if (snenabled)
+        d->threadData->eventDispatcher->registerSocketNotifier(this);
+    else
+        d->threadData->eventDispatcher->unregisterSocketNotifier(this);
+}
+
+
+/*!\reimp
+*/
+bool QSocketNotifier::event(QEvent *e)
+{
+    // Emits the activated() signal when a QEvent::SockAct is
+    // received.
+    if (e->type() == QEvent::ThreadChange) {
+        if (snenabled) {
+            QMetaObject::invokeMethod(this, "setEnabled", Qt::QueuedConnection,
+                                      Q_ARG(bool, snenabled));
+            setEnabled(false);
+        }
+    }
+    QObject::event(e);                        // will activate filters
+    if (e->type() == QEvent::SockAct) {
+        emit activated(sockfd);
+        return true;
+    }
+    return false;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qsocketnotifier.h b/src/corelib/kernel/qsocketnotifier.h
new file mode 100644
index 0000000000..b1fa290f0e
--- /dev/null
+++ b/src/corelib/kernel/qsocketnotifier.h
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSOCKETNOTIFIER_H
+#define QSOCKETNOTIFIER_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QSocketNotifier : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QObject)
+
+public:
+    enum Type { Read, Write, Exception };
+
+    QSocketNotifier(int socket, Type, QObject *parent = 0);
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QSocketNotifier(int socket, Type, QObject *parent, const char *name);
+#endif
+    ~QSocketNotifier();
+
+    inline int socket() const { return sockfd; }
+    inline Type type() const { return sntype; }
+
+    inline bool isEnabled() const { return snenabled; }
+
+public Q_SLOTS:
+    void setEnabled(bool);
+
+Q_SIGNALS:
+    void activated(int socket);
+
+protected:
+    bool event(QEvent *);
+
+private:
+    Q_DISABLE_COPY(QSocketNotifier)
+
+    int sockfd;
+    Type sntype;
+    bool snenabled;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSOCKETNOTIFIER_H
diff --git a/src/corelib/kernel/qsystemsemaphore.cpp b/src/corelib/kernel/qsystemsemaphore.cpp
new file mode 100644
index 0000000000..e8426b3698
--- /dev/null
+++ b/src/corelib/kernel/qsystemsemaphore.cpp
@@ -0,0 +1,360 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsystemsemaphore.h"
+#include "qsystemsemaphore_p.h"
+#include <qglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+
+/*!
+  \class QSystemSemaphore
+  \ingroup ipc
+  \since 4.4
+
+  \brief The QSystemSemaphore class provides a general counting system semaphore.
+
+  A semaphore is a generalization of a mutex. While a mutex can be
+  locked only once, a semaphore can be acquired multiple times.
+  Typically, a semaphore is used to protect a certain number of
+  identical resources.
+
+  Like its lighter counterpart QSemaphore, a QSystemSemaphore can be
+  accessed from multiple \l {QThread} {threads}. Unlike QSemaphore, a
+  QSystemSemaphore can also be accessed from multiple \l {QProcess}
+  {processes}. This means QSystemSemaphore is a much heavier class, so
+  if your application doesn't need to access your semaphores across
+  multiple processes, you will probably want to use QSemaphore.
+
+  Semaphores support two fundamental operations, acquire() and release():
+
+  acquire() tries to acquire one resource. If there isn't a resource
+  available, the call blocks until a resource becomes available. Then
+  the resource is acquired and the call returns.
+
+  release() releases one resource so it can be acquired by another
+  process. The function can also be called with a parameter n > 1,
+  which releases n resources.
+
+  A system semaphore is created with a string key that other processes
+  can use to use the same semaphore.
+
+  Example: Create a system semaphore
+  \snippet doc/src/snippets/code/src_corelib_kernel_qsystemsemaphore.cpp 0
+
+  A typical application of system semaphores is for controlling access
+  to a circular buffer shared by a producer process and a consumer
+  processes.
+
+  \section1 Platform-Specific Behavior
+
+  When using this class, be aware of the following platform
+  differences:
+
+  \bold{Windows:} QSystemSemaphore does not own its underlying system
+  semaphore. Windows owns it. This means that when all instances of
+  QSystemSemaphore for a particular key have been destroyed, either by
+  having their destructors called, or because one or more processes
+  crash, Windows removes the underlying system semaphore.
+
+  \bold{Unix:}
+
+  \list
+  \o QSystemSemaphore owns the underlying system semaphore
+  in Unix systems. This means that the last process having an instance of
+  QSystemSemaphore for a particular key must remove the underlying
+  system semaphore in its destructor. If the last process crashes
+  without running the QSystemSemaphore destructor, Unix does not
+  automatically remove the underlying system semaphore, and the
+  semaphore survives the crash. A subsequent process that constructs a
+  QSystemSemaphore with the same key will then be given the existing
+  system semaphore. In that case, if the QSystemSemaphore constructor
+  has specified its \l {QSystemSemaphore::AccessMode} {access mode} as
+  \l {QSystemSemaphore::} {Open}, its initial resource count will not
+  be reset to the one provided but remain set to the value it received
+  in the crashed process. To protect against this, the first process
+  to create a semaphore for a particular key (usually a server), must
+  pass its \l {QSystemSemaphore::AccessMode} {access mode} as \l
+  {QSystemSemaphore::} {Create}, which will force Unix to reset the
+  resource count in the underlying system semaphore.
+
+  \o When a process using QSystemSemaphore terminates for
+  any reason, Unix automatically reverses the effect of all acquire
+  operations that were not released. Thus if the process acquires a
+  resource and then exits without releasing it, Unix will release that
+  resource.
+  \endlist
+
+  \sa QSharedMemory, QSemaphore
+ */
+
+/*!
+  Requests a system semaphore for the specified \a key. The parameters
+  \a initialValue and \a mode are used according to the following
+  rules, which are system dependent.
+
+  In Unix, if the \a mode is \l {QSystemSemaphore::} {Open} and the
+  system already has a semaphore identified by \a key, that semaphore
+  is used, and the semaphore's resource count is not changed, i.e., \a
+  initialValue is ignored. But if the system does not already have a
+  semaphore identified by \a key, it creates a new semaphore for that
+  key and sets its resource count to \a initialValue.
+
+  In Unix, if the \a mode is \l {QSystemSemaphore::} {Create} and the
+  system already has a semaphore identified by \a key, that semaphore
+  is used, and its resource count is set to \a initialValue. If the
+  system does not already have a semaphore identified by \a key, it
+  creates a new semaphore for that key and sets its resource count to
+  \a initialValue.
+
+  In Windows, \a mode is ignored, and the system always tries to
+  create a semaphore for the specified \a key. If the system does not
+  already have a semaphore identified as \a key, it creates the
+  semaphore and sets its resource count to \a initialValue. But if the
+  system already has a semaphore identified as \a key it uses that
+  semaphore and ignores \a initialValue.
+
+  The \l {QSystemSemaphore::AccessMode} {mode} parameter is only used
+  in Unix systems to handle the case where a semaphore survives a
+  process crash. In that case, the next process to allocate a
+  semaphore with the same \a key will get the semaphore that survived
+  the crash, and unless \a mode is \l {QSystemSemaphore::} {Create},
+  the resource count will not be reset to \a initialValue but will
+  retain the initial value it had been given by the crashed process.
+
+  \sa acquire(), key()
+ */
+QSystemSemaphore::QSystemSemaphore(const QString &key, int initialValue, AccessMode mode)
+{
+    d = new QSystemSemaphorePrivate;
+    setKey(key, initialValue, mode);
+}
+
+/*!
+  The destructor destroys the QSystemSemaphore object, but the
+  underlying system semaphore is not removed from the system unless
+  this instance of QSystemSemaphore is the last one existing for that
+  system semaphore.
+
+  Two important side effects of the destructor depend on the system.
+  In Windows, if acquire() has been called for this semaphore but not
+  release(), release() will not be called by the destructor, nor will
+  the resource be released when the process exits normally. This would
+  be a program bug which could be the cause of a deadlock in another
+  process trying to acquire the same resource. In Unix, acquired
+  resources that are not released before the destructor is called are
+  automatically released when the process exits.
+*/
+QSystemSemaphore::~QSystemSemaphore()
+{
+    d->cleanHandle();
+    delete d;
+}
+
+/*!
+  \enum QSystemSemaphore::AccessMode
+
+  This enum is used by the constructor and setKey(). Its purpose is to
+  enable handling the problem in Unix implementations of semaphores
+  that survive a crash. In Unix, when a semaphore survives a crash, we
+  need a way to force it to reset its resource count, when the system
+  reuses the semaphore. In Windows, where semaphores can't survive a
+  crash, this enum has no effect.
+
+  \value Open If the semaphore already exists, its initial resource
+  count is not reset. If the semaphore does not already exist, it is
+  created and its initial resource count set.
+
+  \value Create QSystemSemaphore takes ownership of the semaphore and
+  sets its resource count to the requested value, regardless of
+  whether the semaphore already exists by having survived a crash.
+  This value should be passed to the constructor, when the first
+  semaphore for a particular key is constructed and you know that if
+  the semaphore already exists it could only be because of a crash. In
+  Windows, where a semaphore can't survive a crash, Create and Open
+  have the same behavior.
+*/
+
+/*!
+  This function works the same as the constructor. It reconstructs
+  this QSystemSemaphore object. If the new \a key is different from
+  the old key, calling this function is like calling the destructor of
+  the semaphore with the old key, then calling the constructor to
+  create a new semaphore with the new \a key. The \a initialValue and
+  \a mode parameters are as defined for the constructor.
+
+  \sa QSystemSemaphore(), key()
+ */
+void QSystemSemaphore::setKey(const QString &key, int initialValue, AccessMode mode)
+{
+    if (key == d->key && mode == Open)
+        return;
+    d->error = NoError;
+    d->errorString = QString();
+#ifndef Q_OS_WIN
+    // optimization to not destroy/create the file & semaphore
+    if (key == d->key && mode == Create && d->createdSemaphore && d->createdFile) {
+        d->initialValue = initialValue;
+        d->unix_key = -1;
+        d->handle(mode);
+        return;
+    }
+#endif
+    d->cleanHandle();
+    d->key = key;
+    d->initialValue = initialValue;
+    // cache the file name so it doesn't have to be generated all the time.
+    d->fileName = d->makeKeyFileName();
+    d->handle(mode);
+}
+
+/*!
+  Returns the key assigned to this system semaphore. The key is the
+  name by which the semaphore can be accessed from other processes.
+
+  \sa setKey()
+ */
+QString QSystemSemaphore::key() const
+{
+    return d->key;
+}
+
+/*!
+  Acquires one of the resources guarded by this semaphore, if there is
+  one available, and returns true. If all the resources guarded by this
+  semaphore have already been acquired, the call blocks until one of
+  them is released by another process or thread having a semaphore
+  with the same key.
+
+  If false is returned, a system error has occurred. Call error()
+  to get a value of QSystemSemaphore::SystemSemaphoreError that
+  indicates which error occurred.
+
+  \sa release()
+ */
+bool QSystemSemaphore::acquire()
+{
+    return d->modifySemaphore(-1);
+}
+
+/*!
+  Releases \a n resources guarded by the semaphore. Returns true
+  unless there is a system error.
+
+  Example: Create a system semaphore having five resources; acquire
+  them all and then release them all.
+
+  \snippet doc/src/snippets/code/src_corelib_kernel_qsystemsemaphore.cpp 1
+
+  This function can also "create" resources. For example, immediately
+  following the sequence of statements above, suppose we add the
+  statement:
+
+  \snippet doc/src/snippets/code/src_corelib_kernel_qsystemsemaphore.cpp 2
+
+  Ten new resources are now guarded by the semaphore, in addition to
+  the five that already existed. You would not normally use this
+  function to create more resources.
+
+  \sa acquire()
+ */
+bool QSystemSemaphore::release(int n)
+{
+    if (n == 0)
+        return true;
+    if (n < 0) {
+        qWarning("QSystemSemaphore::release: n is negative.");
+        return false;
+    }
+    return d->modifySemaphore(n);
+}
+
+/*!
+  Returns a value indicating whether an error occurred, and, if so,
+  which error it was.
+
+  \sa errorString()
+ */
+QSystemSemaphore::SystemSemaphoreError QSystemSemaphore::error() const
+{
+    return d->error;
+}
+
+/*!
+  \enum QSystemSemaphore::SystemSemaphoreError
+
+  \value NoError No error occurred.
+
+  \value PermissionDenied The operation failed because the caller
+  didn't have the required permissions.
+
+  \value KeyError The operation failed because of an invalid key.
+
+  \value AlreadyExists The operation failed because a system
+  semaphore with the specified key already existed.
+
+  \value NotFound The operation failed because a system semaphore
+  with the specified key could not be found.
+
+  \value OutOfResources The operation failed because there was
+  not enough memory available to fill the request.
+
+  \value UnknownError Something else happened and it was bad.
+*/
+
+/*!
+  Returns a text description of the last error that occurred. If
+  error() returns an \l {QSystemSemaphore::SystemSemaphoreError} {error
+  value}, call this function to get a text string that describes the
+  error.
+
+  \sa error()
+ */
+QString QSystemSemaphore::errorString() const
+{
+    return d->errorString;
+}
+
+#endif // QT_NO_SYSTEMSEMAPHORE
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qsystemsemaphore.h b/src/corelib/kernel/qsystemsemaphore.h
new file mode 100644
index 0000000000..5a02072982
--- /dev/null
+++ b/src/corelib/kernel/qsystemsemaphore.h
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSYSTEMSEMAPHORE_H
+#define QSYSTEMSEMAPHORE_H
+
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+
+class QSystemSemaphorePrivate;
+
+class Q_CORE_EXPORT QSystemSemaphore
+{
+
+public:
+    enum AccessMode
+    {
+        Open,
+        Create
+    };
+
+    enum SystemSemaphoreError
+    {
+        NoError,
+        PermissionDenied,
+        KeyError,
+        AlreadyExists,
+        NotFound,
+        OutOfResources,
+        UnknownError
+    };
+
+    QSystemSemaphore(const QString &key, int initialValue = 0, AccessMode mode = Open);
+    ~QSystemSemaphore();
+
+    void setKey(const QString &key, int initialValue = 0, AccessMode mode = Open);
+    QString key() const;
+
+    bool acquire();
+    bool release(int n = 1);
+
+    SystemSemaphoreError error() const;
+    QString errorString() const;
+
+private:
+    Q_DISABLE_COPY(QSystemSemaphore)
+    QSystemSemaphorePrivate *d;
+};
+
+#endif // QT_NO_SYSTEMSEMAPHORE
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSYSTEMSEMAPHORE_H
+
diff --git a/src/corelib/kernel/qsystemsemaphore_p.h b/src/corelib/kernel/qsystemsemaphore_p.h
new file mode 100644
index 0000000000..81d4f10d5e
--- /dev/null
+++ b/src/corelib/kernel/qsystemsemaphore_p.h
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSYSTEMSEMAPHORE_P_H
+#define QSYSTEMSEMAPHORE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qsystemsemaphore.h"
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+
+#include "qsharedmemory_p.h"
+#ifndef Q_OS_WINCE
+#   include <sys/types.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QSystemSemaphorePrivate
+{
+
+public:
+    QSystemSemaphorePrivate();
+
+    QString makeKeyFileName()
+    {
+        return QSharedMemoryPrivate::makePlatformSafeKey(key, QLatin1String("qipc_systemsem_"));
+    }
+
+#ifdef Q_OS_WIN
+    HANDLE handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open);
+#else
+    key_t handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open);
+#endif
+    void setErrorString(const QString &function);
+    void cleanHandle();
+    bool modifySemaphore(int count);
+
+    QString key;
+    QString fileName;
+    int initialValue;
+#ifdef Q_OS_WIN
+    HANDLE semaphore;
+    HANDLE semaphoreLock;
+#else
+    int semaphore;
+    bool createdFile;
+    bool createdSemaphore;
+    key_t unix_key;
+#endif
+
+    QString errorString;
+    QSystemSemaphore::SystemSemaphoreError error;
+};
+
+#endif // QT_NO_SYSTEMSEMAPHORE
+
+
+QT_END_NAMESPACE
+#endif // QSYSTEMSEMAPHORE_P_H
+
diff --git a/src/corelib/kernel/qsystemsemaphore_unix.cpp b/src/corelib/kernel/qsystemsemaphore_unix.cpp
new file mode 100644
index 0000000000..a7802eefe4
--- /dev/null
+++ b/src/corelib/kernel/qsystemsemaphore_unix.cpp
@@ -0,0 +1,242 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsystemsemaphore.h"
+#include "qsystemsemaphore_p.h"
+
+#include <qdebug.h>
+#include <qfile.h>
+#include <qcoreapplication.h>
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/shm.h>
+
+#include <sys/sem.h>
+
+// OpenBSD 4.2 doesn't define EIDRM, see BUGS section:
+// http://www.openbsd.org/cgi-bin/man.cgi?query=semop&manpath=OpenBSD+4.2
+#if defined(Q_OS_OPENBSD) && !defined(EIDRM)
+#define EIDRM EINVAL
+#endif
+
+QT_BEGIN_NAMESPACE
+
+// We have to define this as on some sem.h will have it
+union qt_semun {
+    int val;                    /* value for SETVAL */
+    struct semid_ds *buf;       /* buffer for IPC_STAT, IPC_SET */
+    unsigned short *array;      /* array for GETALL, SETALL */
+};
+
+QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
+        semaphore(-1), createdFile(false),
+        createdSemaphore(false), unix_key(-1), error(QSystemSemaphore::NoError)
+{
+}
+
+void QSystemSemaphorePrivate::setErrorString(const QString &function)
+{
+    // EINVAL is handled in functions so they can give better error strings
+    switch (errno) {
+    case EPERM:
+    case EACCES:
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: permission denied").arg(function);
+        error = QSystemSemaphore::PermissionDenied;
+        break;
+    case EEXIST:
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: already exists").arg(function);
+        error = QSystemSemaphore::AlreadyExists;
+        break;
+    case ENOENT:
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: does not exist").arg(function);
+        error = QSystemSemaphore::NotFound;
+        break;
+    case ERANGE:
+    case ENOSPC:
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: out of resources").arg(function);
+        error = QSystemSemaphore::OutOfResources;
+        break;
+    default:
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(errno);
+        error = QSystemSemaphore::UnknownError;
+#if defined QSYSTEMSEMAPHORE_DEBUG
+        qDebug() << errorString << "key" << key << "errno" << errno << EINVAL;
+#endif
+    }
+}
+
+/*!
+    \internal
+
+    Setup unix_key
+ */
+key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
+{
+    if (key.isEmpty()){
+        errorString = QCoreApplication::tr("%1: key is empty", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle:"));
+        error = QSystemSemaphore::KeyError;
+        return -1;
+    }
+
+    // ftok requires that an actual file exists somewhere
+    if (-1 != unix_key)
+        return unix_key;
+
+    // Create the file needed for ftok
+    int built = QSharedMemoryPrivate::createUnixKeyFile(fileName);
+    if (-1 == built) {
+        errorString = QCoreApplication::tr("%1: unable to make key", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle:"));
+        error = QSystemSemaphore::KeyError;
+        return -1;
+    }
+    createdFile = (1 == built);
+
+    // Get the unix key for the created file
+    unix_key = ftok(QFile::encodeName(fileName).constData(), 'Q');
+    if (-1 == unix_key) {
+        errorString = QCoreApplication::tr("%1: ftok failed", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle:"));
+        error = QSystemSemaphore::KeyError;
+        return -1;
+    }
+
+    // Get semaphore
+    semaphore = semget(unix_key, 1, 0666 | IPC_CREAT | IPC_EXCL);
+    if (-1 == semaphore) {
+        if (errno == EEXIST)
+            semaphore = semget(unix_key, 1, 0666 | IPC_CREAT);
+        if (-1 == semaphore) {
+            setErrorString(QLatin1String("QSystemSemaphore::handle"));
+            cleanHandle();
+            return -1;
+        }
+    } else {
+        createdSemaphore = true;
+        // Force cleanup of file, it is possible that it can be left over from a crash
+        createdFile = true;
+    }
+
+    if (mode == QSystemSemaphore::Create) {
+        createdSemaphore = true;
+        createdFile = true;
+    }
+
+    // Created semaphore so initialize its value.
+    if (createdSemaphore && initialValue >= 0) {
+        qt_semun init_op;
+        init_op.val = initialValue;
+        if (-1 == semctl(semaphore, 0, SETVAL, init_op)) {
+            setErrorString(QLatin1String("QSystemSemaphore::handle"));
+            cleanHandle();
+            return -1;
+        }
+    }
+
+    return unix_key;
+}
+
+/*!
+    \internal
+
+    Cleanup the unix_key
+ */
+void QSystemSemaphorePrivate::cleanHandle()
+{
+    unix_key = -1;
+
+    // remove the file if we made it
+    if (createdFile) {
+        QFile::remove(fileName);
+        createdFile = false;
+    }
+
+    if (createdSemaphore) {
+        if (-1 != semaphore) {
+            if (-1 == semctl(semaphore, 0, IPC_RMID, 0)) {
+                setErrorString(QLatin1String("QSystemSemaphore::cleanHandle"));
+#if defined QSYSTEMSEMAPHORE_DEBUG
+                qDebug() << QLatin1String("QSystemSemaphore::cleanHandle semctl failed.");
+#endif
+            }
+            semaphore = -1;
+        }
+        createdSemaphore = false;
+    }
+}
+
+/*!
+    \internal
+ */
+bool QSystemSemaphorePrivate::modifySemaphore(int count)
+{
+    if (-1 == handle())
+        return false;
+
+    struct sembuf operation;
+    operation.sem_num = 0;
+    operation.sem_op = count;
+    operation.sem_flg = SEM_UNDO;
+    if (-1 == semop(semaphore, &operation, 1)) {
+        // If the semaphore was removed be nice and create it and then modifySemaphore again
+        if (errno == EINVAL || errno == EIDRM) {
+            semaphore = -1;
+            cleanHandle();
+            handle();
+            return modifySemaphore(count);
+        }
+        setErrorString(QLatin1String("QSystemSemaphore::modifySemaphore"));
+#if defined QSYSTEMSEMAPHORE_DEBUG
+        qDebug() << QLatin1String("QSystemSemaphore::modify failed") << count << semctl(semaphore, 0, GETVAL) << errno << EIDRM << EINVAL;
+#endif
+        return false;
+    }
+
+    return true;
+}
+
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SYSTEMSEMAPHORE
diff --git a/src/corelib/kernel/qsystemsemaphore_win.cpp b/src/corelib/kernel/qsystemsemaphore_win.cpp
new file mode 100644
index 0000000000..59123449f9
--- /dev/null
+++ b/src/corelib/kernel/qsystemsemaphore_win.cpp
@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsystemsemaphore.h"
+#include "qsystemsemaphore_p.h"
+#include "qcoreapplication.h"
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+        
+#ifndef QT_NO_SYSTEMSEMAPHORE
+
+QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
+        semaphore(0), error(QSystemSemaphore::NoError)
+{
+}
+
+void QSystemSemaphorePrivate::setErrorString(const QString &function)
+{
+    BOOL windowsError = GetLastError();
+    if (windowsError == 0)
+        return;
+
+    switch (windowsError) {
+    case ERROR_NO_SYSTEM_RESOURCES:
+    case ERROR_NOT_ENOUGH_MEMORY:
+        error = QSystemSemaphore::OutOfResources;
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: out of resources").arg(function);
+        break;
+    case ERROR_ACCESS_DENIED:
+        error = QSystemSemaphore::PermissionDenied;
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: permission denied").arg(function);
+        break;
+    default:
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(windowsError);
+        error = QSystemSemaphore::UnknownError;
+#if defined QSYSTEMSEMAPHORE_DEBUG
+        qDebug() << errorString << "key" << key;
+#endif
+    }
+}
+
+HANDLE QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode)
+{
+    // don't allow making handles on empty keys
+    if (key.isEmpty())
+        return 0;
+
+    // Create it if it doesn't already exists.
+    if (semaphore == 0) {
+        QString safeName = makeKeyFileName();
+        QT_WA({
+            semaphore = CreateSemaphoreW(0, initialValue, MAXLONG, (TCHAR*)safeName.utf16());
+        }, {
+            semaphore = CreateSemaphoreA(0, initialValue, MAXLONG, safeName.toLocal8Bit().constData());
+        });
+        if (semaphore == NULL)
+            setErrorString(QLatin1String("QSystemSemaphore::handle"));
+    }
+
+    return semaphore;
+}
+
+void QSystemSemaphorePrivate::cleanHandle()
+{
+    if (semaphore && !CloseHandle(semaphore)) {
+#if defined QSYSTEMSEMAPHORE_DEBUG
+        qDebug() << QLatin1String("QSystemSemaphorePrivate::CloseHandle: sem failed");
+#endif
+    }
+    semaphore = 0;
+}
+
+bool QSystemSemaphorePrivate::modifySemaphore(int count)
+{
+    if (0 == handle())
+        return false;
+
+    if (count > 0) {
+	if (0 == ReleaseSemaphore(semaphore, count, 0)) {
+            setErrorString(QLatin1String("QSystemSemaphore::modifySemaphore"));
+#if defined QSYSTEMSEMAPHORE_DEBUG
+            qDebug() << QLatin1String("QSystemSemaphore::modifySemaphore ReleaseSemaphore failed");
+#endif
+            return false;
+        }
+    } else {
+        if (WAIT_OBJECT_0 != WaitForSingleObject(semaphore, INFINITE)) {
+            setErrorString(QLatin1String("QSystemSemaphore::modifySemaphore"));
+#if defined QSYSTEMSEMAPHORE_DEBUG
+            qDebug() << QLatin1String("QSystemSemaphore::modifySemaphore WaitForSingleObject failed");
+#endif
+            return false;
+        }
+    }
+
+    return true;
+}
+
+#endif //QT_NO_SYSTEMSEMAPHORE
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qtimer.cpp b/src/corelib/kernel/qtimer.cpp
new file mode 100644
index 0000000000..01e81abcd3
--- /dev/null
+++ b/src/corelib/kernel/qtimer.cpp
@@ -0,0 +1,372 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtimer.h"
+#include "qabstracteventdispatcher.h"
+#include "qcoreapplication.h"
+#include "qobject_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QTimer
+    \brief The QTimer class provides repetitive and single-shot timers.
+
+    \ingroup time
+    \ingroup events
+    \mainclass
+
+    The QTimer class provides a high-level programming interface for
+    timers. To use it, create a QTimer, connect its timeout() signal
+    to the appropriate slots, and call start(). From then on it will
+    emit the timeout() signal at constant intervals.
+
+    Example for a one second (1000 millisecond) timer (from the
+    \l{widgets/analogclock}{Analog Clock} example):
+
+    \snippet examples/widgets/analogclock/analogclock.cpp 4
+    \snippet examples/widgets/analogclock/analogclock.cpp 5
+    \snippet examples/widgets/analogclock/analogclock.cpp 6
+
+    From then on, the \c update() slot is called every second.
+
+    You can set a timer to time out only once by calling
+    setSingleShot(true). You can also use the static
+    QTimer::singleShot() function to call a slot after a specified
+    interval:
+
+    \snippet doc/src/snippets/timers/timers.cpp 3
+
+    In multithreaded applications, you can use QTimer in any thread
+    that has an event loop. To start an event loop from a non-GUI
+    thread, use QThread::exec(). Qt uses the the timer's
+    \l{QObject::thread()}{thread affinity} to determine which thread
+    will emit the \l{QTimer::}{timeout()} signal. Because of this, you
+    must start and stop the timer in its thread; it is not possible to
+    start a timer from another thread.
+
+    As a special case, a QTimer with a timeout of 0 will time out as
+    soon as all the events in the window system's event queue have
+    been processed. This can be used to do heavy work while providing
+    a snappy user interface:
+
+    \snippet doc/src/snippets/timers/timers.cpp 4
+    \snippet doc/src/snippets/timers/timers.cpp 5
+    \snippet doc/src/snippets/timers/timers.cpp 6
+
+    \c processOneThing() will from then on be called repeatedly. It
+    should be written in such a way that it always returns quickly
+    (typically after processing one data item) so that Qt can deliver
+    events to widgets and stop the timer as soon as it has done all
+    its work. This is the traditional way of implementing heavy work
+    in GUI applications; multithreading is now becoming available on
+    more and more platforms, and we expect that zero-millisecond
+    QTimers will gradually be replaced by \l{QThread}s.
+
+    Note that QTimer's accuracy depends on the underlying operating
+    system and hardware. Most platforms support an accuracy of
+    1 millisecond, but Windows 98 supports only 55. If Qt is
+    unable to deliver the requested number of timer clicks, it will
+    silently discard some.
+
+    An alternative to using QTimer is to call QObject::startTimer()
+    for your object and reimplement the QObject::timerEvent() event
+    handler in your class (which must inherit QObject). The
+    disadvantage is that timerEvent() does not support such
+    high-level features as single-shot timers or signals.
+
+    Another alternative to using QTimer is to use QBasicTimer. It is
+    typically less cumbersome than using QObject::startTimer()
+    directly. See \l{Timers} for an overview of all three approaches.
+
+    Some operating systems limit the number of timers that may be
+    used; Qt tries to work around these limitations.
+
+    \sa QBasicTimer, QTimerEvent, QObject::timerEvent(), Timers,
+        {Analog Clock Example}, {Wiggly Example}
+*/
+
+
+static const int INV_TIMER = -1;                // invalid timer id
+
+/*!
+    Constructs a timer with the given \a parent.
+*/
+
+QTimer::QTimer(QObject *parent)
+    : QObject(parent), id(INV_TIMER), inter(0), del(0), single(0), nulltimer(0)
+{
+}
+
+
+#ifdef QT3_SUPPORT
+/*!
+    Constructs a timer called \a name, with a \a parent.
+*/
+
+QTimer::QTimer(QObject *parent, const char *name)
+    : QObject(parent), id(INV_TIMER), single(0), nulltimer(0)
+{
+    setObjectName(QString::fromAscii(name));
+}
+#endif
+
+/*!
+    Destroys the timer.
+*/
+
+QTimer::~QTimer()
+{
+    if (id != INV_TIMER)                        // stop running timer
+        stop();
+}
+
+
+/*!
+    \fn void QTimer::timeout()
+
+    This signal is emitted when the timer times out.
+
+    \sa interval, start(), stop()
+*/
+
+/*!
+    \property QTimer::active
+    \since 4.3
+
+    This boolean property is true if the timer is running; otherwise
+    false.
+*/
+
+/*!
+    \fn bool QTimer::isActive() const
+
+    Returns true if the timer is running (pending); otherwise returns
+    false.
+*/
+
+/*!
+    \fn int QTimer::timerId() const
+
+    Returns the ID of the timer if the timer is running; otherwise returns
+    -1.
+*/
+
+
+/*! \overload start()
+
+    Starts or restarts the timer with the timeout specified in \l interval.
+
+    If \l singleShot is true, the timer will be activated only once.
+*/
+void QTimer::start()
+{
+    if (id != INV_TIMER)                        // stop running timer
+        stop();
+    nulltimer = (!inter && single);
+    id = QObject::startTimer(inter);
+}
+
+/*!
+    Starts or restarts the timer with a timeout interval of \a msec
+    milliseconds.
+*/
+void QTimer::start(int msec)
+{
+    setInterval(msec);
+    start();
+}
+
+
+#ifdef QT3_SUPPORT
+/*! \overload start()
+
+  Call setSingleShot(\a sshot) and start(\a msec) instead.
+*/
+
+int QTimer::start(int msec, bool sshot)
+{
+    if (id >=0 && nulltimer && !msec && sshot)
+        return id;
+    stop();
+    setInterval(msec);
+    setSingleShot(sshot);
+    start();
+    return timerId();
+}
+#endif
+
+
+/*!
+    Stops the timer.
+
+    \sa start()
+*/
+
+void QTimer::stop()
+{
+    if (id != INV_TIMER) {
+        QObject::killTimer(id);
+        id = INV_TIMER;
+    }
+}
+
+
+/*!
+    \reimp
+*/
+void QTimer::timerEvent(QTimerEvent *e)
+{
+    if (e->timerId() == id) {
+        if (single)
+            stop();
+        emit timeout();
+    }
+}
+
+class QSingleShotTimer : public QObject
+{
+    Q_OBJECT
+    int timerId;
+public:
+    ~QSingleShotTimer();
+    QSingleShotTimer(int msec, QObject *r, const char * m);
+signals:
+    void timeout();
+protected:
+    void timerEvent(QTimerEvent *);
+};
+
+QSingleShotTimer::QSingleShotTimer(int msec, QObject *receiver, const char *member)
+    : QObject(QAbstractEventDispatcher::instance())
+{
+    connect(this, SIGNAL(timeout()), receiver, member);
+    timerId = startTimer(msec);
+}
+
+QSingleShotTimer::~QSingleShotTimer()
+{
+    if (timerId > 0)
+        killTimer(timerId);
+}
+
+void QSingleShotTimer::timerEvent(QTimerEvent *)
+{
+    // need to kill the timer _before_ we emit timeout() in case the
+    // slot connected to timeout calls processEvents()
+    if (timerId > 0)
+        killTimer(timerId);
+    timerId = -1;
+    emit timeout();
+
+    // we would like to use delete later here, but it feels like a
+    // waste to post a new event to handle this event, so we just unset the flag
+    // and explicitly delete...
+    qDeleteInEventHandler(this);
+}
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include "qtimer.moc"
+QT_END_INCLUDE_NAMESPACE
+
+/*!
+    \reentrant
+    This static function calls a slot after a given time interval.
+
+    It is very convenient to use this function because you do not need
+    to bother with a \link QObject::timerEvent() timerEvent\endlink or
+    create a local QTimer object.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_kernel_qtimer.cpp 0
+
+    This sample program automatically terminates after 10 minutes
+    (600,000 milliseconds).
+
+    The \a receiver is the receiving object and the \a member is the
+    slot. The time interval is \a msec milliseconds.
+
+    \sa start()
+*/
+
+void QTimer::singleShot(int msec, QObject *receiver, const char *member)
+{
+    if (receiver && member)
+        (void) new QSingleShotTimer(msec, receiver, member);
+}
+
+/*!
+    \property QTimer::singleShot
+    \brief whether the timer is a single-shot timer
+
+    A single-shot timer fires only once, non-single-shot timers fire
+    every \l interval milliseconds.
+
+    \sa interval, singleShot()
+*/
+
+/*!
+    \property QTimer::interval
+    \brief the timeout interval in milliseconds
+
+    The default value for this property is 0.  A QTimer with a timeout
+    interval of 0 will time out as soon as all the events in the window
+    system's event queue have been processed.
+
+    Setting the interval of an active timer changes its timerId().
+
+    \sa singleShot
+*/
+void QTimer::setInterval(int msec)
+{
+    inter = msec;
+    if (id != INV_TIMER) {                        // create new timer
+        QObject::killTimer(id);                        // restart timer
+        id = QObject::startTimer(msec);
+    }
+}
+
+/*! \fn void QTimer::changeInterval(int msec)
+
+   Use setInterval(msec) or start(msec) instead.
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qtimer.h b/src/corelib/kernel/qtimer.h
new file mode 100644
index 0000000000..26afe2d01b
--- /dev/null
+++ b/src/corelib/kernel/qtimer.h
@@ -0,0 +1,116 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTIMER_H
+#define QTIMER_H
+
+#ifndef QT_NO_QOBJECT
+
+#include <QtCore/qbasictimer.h> // conceptual inheritance
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QTimer : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool singleShot READ isSingleShot WRITE setSingleShot)
+    Q_PROPERTY(int interval READ interval WRITE setInterval)
+    Q_PROPERTY(bool active READ isActive)
+public:
+    explicit QTimer(QObject *parent = 0);
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QTimer(QObject *parent, const char *name);
+#endif
+    ~QTimer();
+
+    inline bool isActive() const { return id >= 0; }
+    int timerId() const { return id; }
+
+    void setInterval(int msec);
+    int interval() const { return inter; }
+
+    inline void setSingleShot(bool singleShot);
+    inline bool isSingleShot() const { return single; }
+
+    static void singleShot(int msec, QObject *receiver, const char *member);
+
+public Q_SLOTS:
+    void start(int msec);
+
+    void start();
+    void stop();
+
+#ifdef QT3_SUPPORT
+    inline QT_MOC_COMPAT void changeInterval(int msec) { start(msec); };
+    QT_MOC_COMPAT int start(int msec, bool sshot);
+#endif
+
+Q_SIGNALS:
+    void timeout();
+
+protected:
+    void timerEvent(QTimerEvent *);
+
+private:
+    Q_DISABLE_COPY(QTimer)
+
+    inline int startTimer(int){ return -1;}
+    inline void killTimer(int){}
+
+    int id, inter, del;
+    uint single : 1;
+    uint nulltimer : 1;
+};
+
+inline void QTimer::setSingleShot(bool asingleShot) { single = asingleShot; }
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_QOBJECT
+
+#endif // QTIMER_H
diff --git a/src/corelib/kernel/qtranslator.cpp b/src/corelib/kernel/qtranslator.cpp
new file mode 100644
index 0000000000..cdddf3626a
--- /dev/null
+++ b/src/corelib/kernel/qtranslator.cpp
@@ -0,0 +1,827 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include "qtranslator.h"
+
+#ifndef QT_NO_TRANSLATION
+
+#include "qfileinfo.h"
+#include "qstring.h"
+#include "qcoreapplication.h"
+#include "qcoreapplication_p.h"
+#include "qdatastream.h"
+#include "qfile.h"
+#include "qmap.h"
+#include "qalgorithms.h"
+#include "qhash.h"
+#include "qtranslator_p.h"
+
+#if defined(Q_OS_UNIX)
+#define QT_USE_MMAP
+#endif
+
+// most of the headers below are already included in qplatformdefs.h
+// also this lacks Large File support but that's probably irrelevant
+#if defined(QT_USE_MMAP)
+// for mmap
+#include <sys/mman.h>
+#include <errno.h>
+#endif
+
+#include <stdlib.h>
+
+#include "qobject_p.h"
+
+QT_BEGIN_NAMESPACE
+
+enum Tag { Tag_End = 1, Tag_SourceText16, Tag_Translation, Tag_Context16, Tag_Obsolete1,
+           Tag_SourceText, Tag_Context, Tag_Comment, Tag_Obsolete2 };
+/*
+$ mcookie
+3cb86418caef9c95cd211cbf60a1bddd
+$
+*/
+
+// magic number for the file
+static const int MagicLength = 16;
+static const uchar magic[MagicLength] = {
+    0x3c, 0xb8, 0x64, 0x18, 0xca, 0xef, 0x9c, 0x95,
+    0xcd, 0x21, 0x1c, 0xbf, 0x60, 0xa1, 0xbd, 0xdd
+};
+
+static bool match(const uchar* found, const char* target, uint len)
+{
+    // catch the case if \a found has a zero-terminating symbol and \a len includes it.
+    // (normalize it to be without the zero-terminating symbol)
+    if (len > 0 && found[len-1] == '\0')
+        --len;
+    // 0 means anything, "" means empty
+    return !found || (qstrncmp((const char *)found, target, len) == 0 && target[len] == '\0');
+}
+
+static uint elfHash(const char *name)
+{
+    const uchar *k;
+    uint h = 0;
+    uint g;
+
+    if (name) {
+        k = (const uchar *) name;
+        while (*k) {
+            h = (h << 4) + *k++;
+            if ((g = (h & 0xf0000000)) != 0)
+                h ^= g >> 24;
+            h &= ~g;
+        }
+    }
+    if (!h)
+        h = 1;
+    return h;
+}
+
+static int numerusHelper(int n, const uchar *rules, int rulesSize)
+{
+#define CHECK_RANGE \
+    do { \
+        if (i >= rulesSize) \
+            return -1; \
+    } while (0)
+
+    int result = 0;
+    int i = 0;
+
+    if (rulesSize == 0)
+        return 0;
+
+    for (;;) {
+        bool orExprTruthValue = false;
+
+        for (;;) {
+            bool andExprTruthValue = true;
+
+            for (;;) {
+                bool truthValue = true;
+
+                CHECK_RANGE;
+                int opcode = rules[i++];
+
+                int leftOperand = n;
+                if (opcode & Q_MOD_10) {
+                    leftOperand %= 10;
+                } else if (opcode & Q_MOD_100) {
+                    leftOperand %= 100;
+                }
+
+                int op = opcode & Q_OP_MASK;
+
+                CHECK_RANGE;
+                int rightOperand = rules[i++];
+
+                switch (op) {
+                default:
+                    return -1;
+                case Q_EQ:
+                    truthValue = (leftOperand == rightOperand);
+                    break;
+                case Q_LT:
+                    truthValue = (leftOperand < rightOperand);
+                    break;
+                case Q_LEQ:
+                    truthValue = (leftOperand <= rightOperand);
+                    break;
+		case Q_BETWEEN:
+                    int bottom = rightOperand;
+                    CHECK_RANGE;
+                    int top = rules[i++];
+                    truthValue = (leftOperand >= bottom && leftOperand <= top);
+                }
+
+                if (opcode & Q_NOT)
+                    truthValue = !truthValue;
+
+                andExprTruthValue = andExprTruthValue && truthValue;
+
+                if (i == rulesSize || rules[i] != Q_AND)
+                    break;
+                ++i;
+            }
+
+            orExprTruthValue = orExprTruthValue || andExprTruthValue;
+
+            if (i == rulesSize || rules[i] != Q_OR)
+                break;
+            ++i;
+        }
+
+        if (orExprTruthValue)
+            return result;
+
+        ++result;
+
+        if (i == rulesSize)
+            return result;
+
+        if (rules[i++] != Q_NEWRULE)
+            break;
+    }
+    return -1;
+}
+
+extern bool qt_detectRTLLanguage();
+
+class QTranslatorPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QTranslator)
+public:
+    enum { Contexts = 0x2f, Hashes = 0x42, Messages = 0x69, NumerusRules = 0x88 };
+
+    QTranslatorPrivate()
+        : used_mmap(0), unmapPointer(0), unmapLength(0),
+          messageArray(0), offsetArray(0), contextArray(0), numerusRulesArray(0),
+          messageLength(0), offsetLength(0), contextLength(0), numerusRulesLength(0) {}
+
+    // for mmap'ed files, this is what needs to be unmapped.
+    bool used_mmap : 1;
+    char *unmapPointer;
+    unsigned int unmapLength;
+
+    // for squeezed but non-file data, this is what needs to be deleted
+    const uchar *messageArray;
+    const uchar *offsetArray;
+    const uchar *contextArray;
+    const uchar *numerusRulesArray;
+    uint messageLength;
+    uint offsetLength;
+    uint contextLength;
+    uint numerusRulesLength;
+
+    bool do_load(const uchar *data, int len);
+    QString do_translate(const char *context, const char *sourceText, const char *comment,
+                         int n) const;
+    void clear();
+};
+
+/*!
+    \class QTranslator
+
+    \brief The QTranslator class provides internationalization support for text
+    output.
+
+    \ingroup i18n
+    \ingroup environment
+    \mainclass
+
+    An object of this class contains a set of translations from a
+    source language to a target language. QTranslator provides
+    functions to look up translations in a translation file.
+    Translation files are created using \l{Qt Linguist}.
+
+    The most common use of QTranslator is to: load a translation
+    file, install it using QApplication::installTranslator(), and use
+    it via QObject::tr(). Here's the \c main() function from the
+    \l{linguist/hellotr}{Hello tr()} example:
+
+    \snippet examples/linguist/hellotr/main.cpp 2
+
+    Note that the translator must be created \e before the
+    application's widgets.
+
+    Most applications will never need to do anything else with this
+    class. The other functions provided by this class are useful for
+    applications that work on translator files.
+
+    \section1 Looking up Translations
+
+    It is possible to look up a translation using translate() (as tr()
+    and QApplication::translate() do). The translate() function takes
+    up to three parameters:
+
+    \list
+    \o The \e context - usually the class name for the tr() caller.
+    \o The \e {source text} - usually the argument to tr().
+    \o The \e disambiguation - an optional string that helps disambiguate
+       different uses of the same text in the same context.
+    \endlist
+
+    For example, the "Cancel" in a dialog might have "Anuluj" when the
+    program runs in Polish (in this case the source text would be
+    "Cancel"). The context would (normally) be the dialog's class
+    name; there would normally be no comment, and the translated text
+    would be "Anuluj".
+
+    But it's not always so simple. The Spanish version of a printer
+    dialog with settings for two-sided printing and binding would
+    probably require both "Activado" and "Activada" as translations
+    for "Enabled". In this case the source text would be "Enabled" in
+    both cases, and the context would be the dialog's class name, but
+    the two items would have disambiguations such as "two-sided printing"
+    for one and "binding" for the other. The disambiguation enables the
+    translator to choose the appropriate gender for the Spanish version,
+    and enables Qt to distinguish between translations.
+
+    \section1 Using Multiple Translations
+
+    Multiple translation files can be installed in an application.
+    Translations are searched for in the reverse order in which they were
+    installed, so the most recently installed translation file is searched
+    for translations first and the earliest translation file is searched
+    last. The search stops as soon as a translation containing a matching
+    string is found.
+
+    This mechanism makes it possible for a specific translation to be
+    "selected" or given priority over the others; simply uninstall the
+    translator from the application by passing it to the
+    QApplication::removeTranslator() function and reinstall it with
+    QApplication::installTranslator(). It will then be the first
+    translation to be searched for matching strings.
+
+    \sa QApplication::installTranslator(), QApplication::removeTranslator(),
+        QObject::tr(), QApplication::translate(), {I18N Example},
+        {Hello tr() Example}, {Arrow Pad Example}, {Troll Print Example}
+*/
+
+/*!
+    Constructs an empty message file object with parent \a parent that
+    is not connected to any file.
+*/
+
+QTranslator::QTranslator(QObject * parent)
+    : QObject(*new QTranslatorPrivate, parent)
+{
+}
+
+#ifdef QT3_SUPPORT
+/*!
+    \overload QTranslator()
+    \obsolete
+ */
+QTranslator::QTranslator(QObject * parent, const char * name)
+    : QObject(*new QTranslatorPrivate, parent)
+{
+    setObjectName(QString::fromAscii(name));
+}
+#endif
+
+/*!
+    Destroys the object and frees any allocated resources.
+*/
+
+QTranslator::~QTranslator()
+{
+    if (QCoreApplication::instance())
+        QCoreApplication::instance()->removeTranslator(this);
+    Q_D(QTranslator);
+    d->clear();
+}
+
+/*!
+    Loads \a filename + \a suffix (".qm" if the \a suffix is
+    not specified), which may be an absolute file name or relative
+    to \a directory. Returns true if the translation is successfully
+    loaded; otherwise returns false.
+
+    The previous contents of this translator object are discarded.
+
+    If the file name does not exist, other file names are tried
+    in the following order:
+
+    \list 1
+    \o File name without \a suffix appended.
+    \o File name with text after a character in \a search_delimiters
+       stripped ("_." is the default for \a search_delimiters if it is
+       an empty string) and \a suffix.
+    \o File name stripped without \a suffix appended.
+    \o File name stripped further, etc.
+    \endlist
+
+    For example, an application running in the fr_CA locale
+    (French-speaking Canada) might call load("foo.fr_ca",
+    "/opt/foolib"). load() would then try to open the first existing
+    readable file from this list:
+
+    \list 1
+    \o \c /opt/foolib/foo.fr_ca.qm
+    \o \c /opt/foolib/foo.fr_ca
+    \o \c /opt/foolib/foo.fr.qm
+    \o \c /opt/foolib/foo.fr
+    \o \c /opt/foolib/foo.qm
+    \o \c /opt/foolib/foo
+    \endlist
+*/
+
+bool QTranslator::load(const QString & filename, const QString & directory,
+                       const QString & search_delimiters,
+                       const QString & suffix)
+{
+    Q_D(QTranslator);
+    d->clear();
+
+    QString prefix;
+    if (QFileInfo(filename).isRelative()) {
+        prefix = directory;
+	if (prefix.length() && !prefix.endsWith(QLatin1Char('/')))
+	    prefix += QLatin1Char('/');
+    }
+
+    QString fname = filename;
+    QString realname;
+    QString delims;
+    delims = search_delimiters.isNull() ? QString::fromLatin1("_.") : search_delimiters;
+
+    for (;;) {
+        QFileInfo fi;
+
+        realname = prefix + fname + (suffix.isNull() ? QString::fromLatin1(".qm") : suffix);
+        fi.setFile(realname);
+        if (fi.isReadable())
+            break;
+
+        realname = prefix + fname;
+        fi.setFile(realname);
+        if (fi.isReadable())
+            break;
+
+        int rightmost = 0;
+        for (int i = 0; i < (int)delims.length(); i++) {
+            int k = fname.lastIndexOf(delims[i]);
+            if (k > rightmost)
+                rightmost = k;
+        }
+
+        // no truncations? fail
+        if (rightmost == 0)
+            return false;
+
+        fname.truncate(rightmost);
+    }
+
+    // realname is now the fully qualified name of a readable file.
+
+    bool ok = false;
+
+#ifdef QT_USE_MMAP
+
+#ifndef MAP_FILE
+#define MAP_FILE 0
+#endif
+#ifndef MAP_FAILED
+#define MAP_FAILED -1
+#endif
+
+    int fd = -1;
+    if (!realname.startsWith(QLatin1Char(':')))
+        fd = QT_OPEN(QFile::encodeName(realname), O_RDONLY,
+#if defined(Q_OS_WIN)
+                     _S_IREAD | _S_IWRITE
+#else
+                     0666
+#endif
+            );
+    if (fd >= 0) {
+        QT_STATBUF st;
+        if (!QT_FSTAT(fd, &st)) {
+            char *ptr;
+            ptr = reinterpret_cast<char *>(
+                mmap(0, st.st_size,             // any address, whole file
+                     PROT_READ,                 // read-only memory
+                     MAP_FILE | MAP_PRIVATE,    // swap-backed map from file
+                     fd, 0));                   // from offset 0 of fd
+            if (ptr && ptr != reinterpret_cast<char *>(MAP_FAILED)) {
+                d->used_mmap = true;
+                d->unmapPointer = ptr;
+                d->unmapLength = st.st_size;
+                ok = true;
+            }
+        }
+        ::close(fd);
+    }
+#endif // QT_USE_MMAP
+
+    if (!ok) {
+        QFile file(realname);
+        d->unmapLength = file.size();
+        if (!d->unmapLength)
+            return false;
+        d->unmapPointer = new char[d->unmapLength];
+
+        if (file.open(QIODevice::ReadOnly))
+            ok = (d->unmapLength == (uint)file.read(d->unmapPointer, d->unmapLength));
+
+        if (!ok) {
+            delete [] d->unmapPointer;
+            d->unmapPointer = 0;
+            d->unmapLength = 0;
+            return false;
+        }
+    }
+
+    return d->do_load(reinterpret_cast<const uchar *>(d->unmapPointer), d->unmapLength);
+}
+
+/*!
+  \overload load()
+  \fn bool QTranslator::load(const uchar *data, int len)
+
+  Loads the .qm file data \a data of length \a len into the
+  translator.
+
+  The data is not copied. The caller must be able to guarantee that \a data
+  will not be deleted or modified.
+*/
+bool QTranslator::load(const uchar *data, int len)
+{
+    Q_D(QTranslator);
+    d->clear();
+    return d->do_load(data, len);
+}
+
+static quint8 read8(const uchar *data)
+{
+    return *data;
+}
+
+static quint16 read16(const uchar *data)
+{
+    return (data[0] << 8) | (data[1]);
+}
+
+static quint32 read32(const uchar *data)
+{
+    return (data[0] << 24)
+        | (data[1] << 16)
+        | (data[2] << 8)
+        | (data[3]);
+}
+
+bool QTranslatorPrivate::do_load(const uchar *data, int len)
+{
+    if (!data || len < MagicLength || memcmp(data, magic, MagicLength))
+        return false;
+
+    bool ok = true;
+    const uchar *end = data + len;
+
+    data += MagicLength;
+
+    while (data < end - 4) {
+        quint8 tag = read8(data++);
+        quint32 blockLen = read32(data);
+        data += 4;
+        if (!tag || !blockLen)
+            break;
+        if (data + blockLen > end) {
+            ok = false;
+            break;
+        }
+
+        if (tag == QTranslatorPrivate::Contexts) {
+            contextArray = data;
+            contextLength = blockLen;
+        } else if (tag == QTranslatorPrivate::Hashes) {
+            offsetArray = data;
+            offsetLength = blockLen;
+        } else if (tag == QTranslatorPrivate::Messages) {
+            messageArray = data;
+            messageLength = blockLen;
+        } else if (tag == QTranslatorPrivate::NumerusRules) {
+            numerusRulesArray = data;
+            numerusRulesLength = blockLen;
+        }
+
+        data += blockLen;
+    }
+
+    return ok;
+}
+
+static QString getMessage(const uchar *m, const uchar *end, const char *context,
+                          const char *sourceText, const char *comment, int numerus)
+{
+    const uchar *tn = 0;
+    uint tn_length = 0;
+    int currentNumerus = -1;
+
+    for (;;) {
+        uchar tag = 0;
+        if (m < end)
+            tag = read8(m++);
+        switch((Tag)tag) {
+        case Tag_End:
+            goto end;
+        case Tag_Translation: {
+            int len = read32(m);
+            if (len % 1)
+                return QString();
+            m += 4;
+            if (++currentNumerus == numerus) {
+                tn_length = len;
+                tn = m;
+            }
+            m += len;
+            break;
+        }
+        case Tag_Obsolete1:
+            m += 4;
+            break;
+        case Tag_SourceText: {
+            quint32 len = read32(m);
+            m += 4;
+            if (!match(m, sourceText, len))
+                return QString();
+            m += len;
+        }
+            break;
+        case Tag_Context: {
+            quint32 len = read32(m);
+            m += 4;
+            if (!match(m, context, len))
+                return QString();
+            m += len;
+        }
+            break;
+        case Tag_Comment: {
+            quint32 len = read32(m);
+            m += 4;
+            if (*m && !match(m, comment, len))
+                return QString();
+            m += len;
+        }
+            break;
+        default:
+            return QString();
+        }
+    }
+end:
+    if (!tn)
+        return QString();
+    QString str = QString::fromUtf16((const ushort *)tn, tn_length/2);
+    if (QSysInfo::ByteOrder == QSysInfo::LittleEndian) {
+        for (int i = 0; i < str.length(); ++i)
+            str[i] = QChar((str.at(i).unicode() >> 8) + ((str.at(i).unicode() << 8) & 0xff00));
+    }
+    return str;
+}
+
+QString QTranslatorPrivate::do_translate(const char *context, const char *sourceText,
+                                         const char *comment, int n) const
+{
+    if (context == 0)
+        context = "";
+    if (sourceText == 0)
+        sourceText = "";
+    if (comment == 0)
+        comment = "";
+
+    if (!offsetLength)
+        return QString();
+
+    /*
+        Check if the context belongs to this QTranslator. If many
+        translators are installed, this step is necessary.
+    */
+    if (contextLength) {
+        quint16 hTableSize = read16(contextArray);
+        uint g = elfHash(context) % hTableSize;
+        const uchar *c = contextArray + 2 + (g << 1);
+        quint16 off = read16(c);
+        c += 2;
+        if (off == 0)
+            return QString();
+        c = contextArray + (2 + (hTableSize << 1) + (off << 1));
+
+        for (;;) {
+            quint8 len = read8(c++);
+            if (len == 0)
+                return QString();
+            if (match(c, context, len))
+                break;
+            c += len;
+        }
+    }
+
+    size_t numItems = offsetLength / (2 * sizeof(quint32));
+    if (!numItems)
+        return QString();
+
+    int numerus = 0;
+    if (n >= 0)
+        numerus = numerusHelper(n, numerusRulesArray, numerusRulesLength);
+
+    for (;;) {
+        quint32 h = elfHash(QByteArray(sourceText) + comment);
+
+        const uchar *start = offsetArray;
+        const uchar *end = start + ((numItems-1) << 3);
+        while (start <= end) {
+            const uchar *middle = start + (((end - start) >> 4) << 3);
+            uint hash = read32(middle);
+            if (h == hash) {
+                start = middle;
+                break;
+            } else if (hash < h) {
+                start = middle + 8;
+            } else {
+                end = middle - 8;
+            }
+        }
+
+        if (start <= end) {
+            // go back on equal key
+            while (start != offsetArray && read32(start) == read32(start-8))
+                start -= 8;
+
+            while (start < offsetArray + offsetLength) {
+                quint32 rh = read32(start);
+                start += 4;
+                if (rh != h)
+                    break;
+                quint32 ro = read32(start);
+                start += 4;
+                QString tn = getMessage(messageArray + ro, messageArray + messageLength, context,
+                                        sourceText, comment, numerus);
+                if (!tn.isNull())
+                    return tn;
+            }
+        }
+        if (!comment[0])
+            break;
+        comment = "";
+    }
+    return QString();
+}
+
+/*!
+    Empties this translator of all contents.
+
+    This function works with stripped translator files.
+*/
+
+void QTranslatorPrivate::clear()
+{
+    Q_Q(QTranslator);
+    if (unmapPointer && unmapLength) {
+#if defined(QT_USE_MMAP)
+        if (used_mmap)
+            munmap(unmapPointer, unmapLength);
+        else
+#endif
+            delete [] unmapPointer;
+    }
+
+    unmapPointer = 0;
+    unmapLength = 0;
+    messageArray = 0;
+    contextArray = 0;
+    offsetArray = 0;
+    numerusRulesArray = 0;
+    messageLength = 0;
+    contextLength = 0;
+    offsetLength = 0;
+    numerusRulesLength = 0;
+
+    if (QCoreApplicationPrivate::isTranslatorInstalled(q))
+        QCoreApplication::postEvent(QCoreApplication::instance(),
+                                    new QEvent(QEvent::LanguageChange));
+}
+
+/*!
+    \since 4.5
+
+    Returns the translation for the key (\a context, \a sourceText,
+    \a disambiguation). If none is found, also tries (\a context, \a
+    sourceText, ""). If that still fails, returns an empty string.
+
+    If you need to programatically insert translations in to a
+    QTranslator, this function can be reimplemented.
+
+    \sa load()
+*/
+QString QTranslator::translate(const char *context, const char *sourceText, const char *disambiguation) const
+{
+    Q_D(const QTranslator);
+    return d->do_translate(context, sourceText, disambiguation, -1);
+}
+
+
+/*!
+    \overload translate()
+
+    Returns the translation for the key (\a context, \a sourceText,
+    \a disambiguation). If none is found, also tries (\a context, \a
+    sourceText, ""). If that still fails, returns an empty string.
+
+    If \a n is not -1, it is used to choose an appropriate form for
+    the translation (e.g. "%n file found" vs. "%n files found").
+
+    \sa load()
+*/
+QString QTranslator::translate(const char *context, const char *sourceText, const char *disambiguation,
+                               int n) const
+{
+    Q_D(const QTranslator);
+    // this step is necessary because the 3-parameter translate() overload is virtual
+    if (n == -1)
+        return translate(context, sourceText, disambiguation);
+    return d->do_translate(context, sourceText, disambiguation, n);
+}
+
+/*!
+    Returns true if this translator is empty, otherwise returns false.
+    This function works with stripped and unstripped translation files.
+*/
+bool QTranslator::isEmpty() const
+{
+    Q_D(const QTranslator);
+    return !d->unmapPointer && !d->unmapLength && !d->messageArray &&
+           !d->offsetArray && !d->contextArray;
+}
+
+/*!
+    \fn QString QTranslator::find(const char *context, const char *sourceText, const char * comment = 0) const
+
+    Use translate(\a context, \a sourceText, \a comment) instead.
+*/
+
+#endif // QT_NO_TRANSLATION
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qtranslator.h b/src/corelib/kernel/qtranslator.h
new file mode 100644
index 0000000000..08eb99418d
--- /dev/null
+++ b/src/corelib/kernel/qtranslator.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTRANSLATOR_H
+#define QTRANSLATOR_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qbytearray.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_TRANSLATION
+
+class QTranslatorPrivate;
+
+class Q_CORE_EXPORT QTranslator : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QTranslator(QObject *parent = 0);
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QTranslator(QObject * parent, const char * name);
+#endif
+    ~QTranslator();
+
+    // ### Qt 5: Merge (with "int n = -1")
+    virtual QString translate(const char *context, const char *sourceText,
+                              const char *disambiguation = 0) const;
+    QString translate(const char *context, const char *sourceText, const char *disambiguation,
+                      int n) const;
+
+    virtual bool isEmpty() const;
+
+    bool load(const QString & filename,
+              const QString & directory = QString(),
+              const QString & search_delimiters = QString(),
+              const QString & suffix = QString());
+    bool load(const uchar *data, int len);
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT QString find(const char *context, const char *sourceText, const char * comment = 0) const
+        { return translate(context, sourceText, comment); }
+#endif
+
+private:
+    Q_DISABLE_COPY(QTranslator)
+    Q_DECLARE_PRIVATE(QTranslator)
+};
+
+#endif // QT_NO_TRANSLATION
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTRANSLATOR_H
diff --git a/src/corelib/kernel/qtranslator_p.h b/src/corelib/kernel/qtranslator_p.h
new file mode 100644
index 0000000000..77ec8f5eb6
--- /dev/null
+++ b/src/corelib/kernel/qtranslator_p.h
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTRANSLATOR_P_H
+#define QTRANSLATOR_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qfontencodings_x11.cpp and qfont_x11.cpp.  This header file may
+// change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+enum {
+    Q_EQ          = 0x01,
+    Q_LT          = 0x02,
+    Q_LEQ         = 0x03,
+    Q_BETWEEN     = 0x04,
+
+    Q_NOT         = 0x08,
+    Q_MOD_10      = 0x10,
+    Q_MOD_100     = 0x20,
+
+    Q_AND         = 0xFD,
+    Q_OR          = 0xFE,
+    Q_NEWRULE     = 0xFF,
+
+    Q_OP_MASK     = 0x07,
+
+    Q_NEQ         = Q_NOT | Q_EQ,
+    Q_GT          = Q_NOT | Q_LEQ,
+    Q_GEQ         = Q_NOT | Q_LT,
+    Q_NOT_BETWEEN = Q_NOT | Q_BETWEEN
+};
+
+#endif
diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp
new file mode 100644
index 0000000000..b4427c05a8
--- /dev/null
+++ b/src/corelib/kernel/qvariant.cpp
@@ -0,0 +1,3098 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qvariant.h"
+#include "qbitarray.h"
+#include "qbytearray.h"
+#include "qdatastream.h"
+#include "qdebug.h"
+#include "qmap.h"
+#include "qdatetime.h"
+#include "qlist.h"
+#include "qstring.h"
+#include "qstringlist.h"
+#include "qurl.h"
+#include "qlocale.h"
+#include "private/qvariant_p.h"
+
+#ifndef QT_NO_GEOM_VARIANT
+#include "qsize.h"
+#include "qpoint.h"
+#include "qrect.h"
+#include "qline.h"
+#endif
+
+#include <float.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef DBL_DIG
+#  define DBL_DIG 10
+#endif
+#ifndef FLT_DIG
+#  define FLT_DIG 6
+#endif
+
+
+static const void *constDataHelper(const QVariant::Private &d)
+{
+    switch (d.type) {
+    case QVariant::Int:
+        return &d.data.i;
+    case QVariant::UInt:
+        return &d.data.u;
+    case QVariant::Bool:
+        return &d.data.b;
+    case QVariant::LongLong:
+        return &d.data.ll;
+    case QVariant::ULongLong:
+        return &d.data.ull;
+    case QVariant::Double:
+        return &d.data.d;
+    default:
+        return d.is_shared ? d.data.shared->ptr : reinterpret_cast<const void *>(&d.data.ptr);
+    }
+}
+
+static void construct(QVariant::Private *x, const void *copy)
+{
+    x->is_shared = false;
+
+    switch (x->type) {
+    case QVariant::String:
+        v_construct<QString>(x, copy);
+        break;
+    case QVariant::Char:
+        v_construct<QChar>(x, copy);
+        break;
+    case QVariant::StringList:
+        v_construct<QStringList>(x, copy);
+        break;
+    case QVariant::Map:
+        v_construct<QVariantMap>(x, copy);
+        break;
+    case QVariant::Hash:
+        v_construct<QVariantHash>(x, copy);
+        break;
+    case QVariant::List:
+        v_construct<QVariantList>(x, copy);
+        break;
+    case QVariant::Date:
+        v_construct<QDate>(x, copy);
+        break;
+    case QVariant::Time:
+        v_construct<QTime>(x, copy);
+        break;
+    case QVariant::DateTime:
+        v_construct<QDateTime>(x, copy);
+        break;
+    case QVariant::ByteArray:
+        v_construct<QByteArray>(x, copy);
+        break;
+    case QVariant::BitArray:
+        v_construct<QBitArray>(x, copy);
+        break;
+#ifndef QT_NO_GEOM_VARIANT
+    case QVariant::Size:
+        v_construct<QSize>(x, copy);
+        break;
+    case QVariant::SizeF:
+        v_construct<QSizeF>(x, copy);
+        break;
+    case QVariant::Rect:
+        v_construct<QRect>(x, copy);
+        break;
+    case QVariant::LineF:
+        v_construct<QLineF>(x, copy);
+        break;
+    case QVariant::Line:
+        v_construct<QLine>(x, copy);
+        break;
+    case QVariant::RectF:
+        v_construct<QRectF>(x, copy);
+        break;
+    case QVariant::Point:
+        v_construct<QPoint>(x, copy);
+        break;
+    case QVariant::PointF:
+        v_construct<QPointF>(x, copy);
+        break;
+#endif
+    case QVariant::Url:
+        v_construct<QUrl>(x, copy);
+        break;
+    case QVariant::Locale:
+        v_construct<QLocale>(x, copy);
+        break;
+#ifndef QT_NO_REGEXP
+    case QVariant::RegExp:
+        v_construct<QRegExp>(x, copy);
+        break;
+#endif
+    case QVariant::Int:
+        x->data.i = copy ? *static_cast<const int *>(copy) : 0;
+        break;
+    case QVariant::UInt:
+        x->data.u = copy ? *static_cast<const uint *>(copy) : 0u;
+        break;
+    case QVariant::Bool:
+        x->data.b = copy ? *static_cast<const bool *>(copy) : false;
+        break;
+    case QVariant::Double:
+        x->data.d = copy ? *static_cast<const double*>(copy) : 0.0;
+        break;
+    case QVariant::LongLong:
+        x->data.ll = copy ? *static_cast<const qlonglong *>(copy) : Q_INT64_C(0);
+        break;
+    case QVariant::ULongLong:
+        x->data.ull = copy ? *static_cast<const qulonglong *>(copy) : Q_UINT64_C(0);
+        break;
+    case QVariant::Invalid:
+    case QVariant::UserType:
+        break;
+    default:
+        x->is_shared = true;
+        x->data.shared = new QVariant::PrivateShared(QMetaType::construct(x->type, copy));
+        if (!x->data.shared->ptr)
+            x->type = QVariant::Invalid;
+        break;
+    }
+    x->is_null = !copy;
+}
+
+static void clear(QVariant::Private *d)
+{
+    switch (d->type) {
+    case QVariant::String:
+        v_clear<QString>(d);
+        break;
+    case QVariant::Char:
+        v_clear<QChar>(d);
+        break;
+    case QVariant::StringList:
+        v_clear<QStringList>(d);
+        break;
+    case QVariant::Map:
+        v_clear<QVariantMap>(d);
+        break;
+    case QVariant::Hash:
+        v_clear<QVariantHash>(d);
+        break;
+    case QVariant::List:
+        v_clear<QVariantList>(d);
+        break;
+    case QVariant::Date:
+        v_clear<QDate>(d);
+        break;
+    case QVariant::Time:
+        v_clear<QTime>(d);
+        break;
+    case QVariant::DateTime:
+        v_clear<QDateTime>(d);
+        break;
+    case QVariant::ByteArray:
+        v_clear<QByteArray>(d);
+        break;
+    case QVariant::BitArray:
+        v_clear<QBitArray>(d);
+        break;
+#ifndef QT_NO_GEOM_VARIANT
+    case QVariant::Point:
+        v_clear<QPoint>(d);
+        break;
+    case QVariant::PointF:
+        v_clear<QPointF>(d);
+        break;
+    case QVariant::Size:
+        v_clear<QSize>(d);
+        break;
+    case QVariant::SizeF:
+        v_clear<QSizeF>(d);
+        break;
+    case QVariant::Rect:
+        v_clear<QRect>(d);
+        break;
+    case QVariant::LineF:
+        v_clear<QLineF>(d);
+        break;
+    case QVariant::Line:
+        v_clear<QLine>(d);
+        break;
+    case QVariant::RectF:
+        v_clear<QRectF>(d);
+        break;
+#endif
+    case QVariant::Url:
+        v_clear<QUrl>(d);
+        break;
+    case QVariant::Locale:
+        v_clear<QLocale>(d);
+        break;
+#ifndef QT_NO_REGEXP
+    case QVariant::RegExp:
+        v_clear<QRegExp>(d);
+        break;
+#endif
+    case QVariant::LongLong:
+    case QVariant::ULongLong:
+    case QVariant::Double:
+        break;
+    case QVariant::Invalid:
+    case QVariant::UserType:
+    case QVariant::Int:
+    case QVariant::UInt:
+    case QVariant::Bool:
+        break;
+    default:
+        QMetaType::destroy(d->type, d->data.shared->ptr);
+        delete d->data.shared;
+        break;
+    }
+
+    d->type = QVariant::Invalid;
+    d->is_null = true;
+    d->is_shared = false;
+}
+
+static bool isNull(const QVariant::Private *d)
+{
+    switch(d->type) {
+    case QVariant::String:
+        return v_cast<QString>(d)->isNull();
+    case QVariant::Char:
+        return v_cast<QChar>(d)->isNull();
+    case QVariant::Date:
+        return v_cast<QDate>(d)->isNull();
+    case QVariant::Time:
+        return v_cast<QTime>(d)->isNull();
+    case QVariant::DateTime:
+        return v_cast<QDateTime>(d)->isNull();
+    case QVariant::ByteArray:
+        return v_cast<QByteArray>(d)->isNull();
+    case QVariant::BitArray:
+        return v_cast<QBitArray>(d)->isNull();
+#ifndef QT_NO_GEOM_VARIANT
+    case QVariant::Size:
+        return v_cast<QSize>(d)->isNull();
+    case QVariant::SizeF:
+        return v_cast<QSizeF>(d)->isNull();
+    case QVariant::Rect:
+        return v_cast<QRect>(d)->isNull();
+    case QVariant::Line:
+        return v_cast<QLine>(d)->isNull();
+    case QVariant::LineF:
+        return v_cast<QLineF>(d)->isNull();
+    case QVariant::RectF:
+        return v_cast<QRectF>(d)->isNull();
+    case QVariant::Point:
+        return v_cast<QPoint>(d)->isNull();
+    case QVariant::PointF:
+        return v_cast<QPointF>(d)->isNull();
+#endif
+    case QVariant::Url:
+    case QVariant::Locale:
+    case QVariant::RegExp:
+    case QVariant::StringList:
+    case QVariant::Map:
+    case QVariant::Hash:
+    case QVariant::List:
+    case QVariant::Invalid:
+    case QVariant::UserType:
+    case QVariant::Int:
+    case QVariant::UInt:
+    case QVariant::LongLong:
+    case QVariant::ULongLong:
+    case QVariant::Bool:
+    case QVariant::Double:
+        break;
+    }
+    return d->is_null;
+}
+
+/*
+  \internal
+  \since 4.4
+
+  We cannot use v_cast() for QMetaType's numeric types because they're smaller than QVariant::Private::Data,
+  which in turns makes v_cast() believe the value is stored in d->data.c. But
+  it's not, since we're a QMetaType type.
+ */
+template<typename T>
+inline bool compareNumericMetaType(const QVariant::Private *const a, const QVariant::Private *const b)
+{
+    return *static_cast<const T *>(a->data.shared->ptr) == *static_cast<const T *>(b->data.shared->ptr);
+}
+
+/*!
+  \internal
+
+  Compares \a a to \a b. The caller guarantees that \a a and \a b
+  are of the same type.
+ */
+static bool compare(const QVariant::Private *a, const QVariant::Private *b)
+{
+    switch(a->type) {
+    case QVariant::List:
+        return *v_cast<QVariantList>(a) == *v_cast<QVariantList>(b);
+    case QVariant::Map: {
+        const QVariantMap *m1 = v_cast<QVariantMap>(a);
+        const QVariantMap *m2 = v_cast<QVariantMap>(b);
+        if (m1->count() != m2->count())
+            return false;
+        QVariantMap::ConstIterator it = m1->constBegin();
+        QVariantMap::ConstIterator it2 = m2->constBegin();
+        while (it != m1->constEnd()) {
+            if (*it != *it2 || it.key() != it2.key())
+                return false;
+            ++it;
+            ++it2;
+        }
+        return true;
+    }
+    case QVariant::Hash:
+        return *v_cast<QVariantHash>(a) == *v_cast<QVariantHash>(b);
+    case QVariant::String:
+        return *v_cast<QString>(a) == *v_cast<QString>(b);
+    case QVariant::Char:
+        return *v_cast<QChar>(a) == *v_cast<QChar>(b);
+    case QVariant::StringList:
+        return *v_cast<QStringList>(a) == *v_cast<QStringList>(b);
+#ifndef QT_NO_GEOM_VARIANT
+    case QVariant::Size:
+        return *v_cast<QSize>(a) == *v_cast<QSize>(b);
+    case QVariant::SizeF:
+        return *v_cast<QSizeF>(a) == *v_cast<QSizeF>(b);
+    case QVariant::Rect:
+        return *v_cast<QRect>(a) == *v_cast<QRect>(b);
+    case QVariant::Line:
+        return *v_cast<QLine>(a) == *v_cast<QLine>(b);
+    case QVariant::LineF:
+        return *v_cast<QLineF>(a) == *v_cast<QLineF>(b);
+    case QVariant::RectF:
+        return *v_cast<QRectF>(a) == *v_cast<QRectF>(b);
+    case QVariant::Point:
+        return *v_cast<QPoint>(a) == *v_cast<QPoint>(b);
+    case QVariant::PointF:
+        return *v_cast<QPointF>(a) == *v_cast<QPointF>(b);
+#endif
+    case QVariant::Url:
+        return *v_cast<QUrl>(a) == *v_cast<QUrl>(b);
+    case QVariant::Locale:
+        return *v_cast<QLocale>(a) == *v_cast<QLocale>(b);
+#ifndef QT_NO_REGEXP
+    case QVariant::RegExp:
+        return *v_cast<QRegExp>(a) == *v_cast<QRegExp>(b);
+#endif
+    case QVariant::Int:
+        return a->data.i == b->data.i;
+    case QVariant::UInt:
+        return a->data.u == b->data.u;
+    case QVariant::LongLong:
+        return a->data.ll == b->data.ll;
+    case QVariant::ULongLong:
+        return a->data.ull == b->data.ull;
+    case QVariant::Bool:
+        return a->data.b == b->data.b;
+    case QVariant::Double:
+        return a->data.d == b->data.d;
+    case QVariant::Date:
+        return *v_cast<QDate>(a) == *v_cast<QDate>(b);
+    case QVariant::Time:
+        return *v_cast<QTime>(a) == *v_cast<QTime>(b);
+    case QVariant::DateTime:
+        return *v_cast<QDateTime>(a) == *v_cast<QDateTime>(b);
+    case QVariant::ByteArray:
+        return *v_cast<QByteArray>(a) == *v_cast<QByteArray>(b);
+    case QVariant::BitArray:
+        return *v_cast<QBitArray>(a) == *v_cast<QBitArray>(b);
+    case QVariant::Invalid:
+        return true;
+    case QMetaType::Long:
+        return compareNumericMetaType<long>(a, b);
+    case QMetaType::ULong:
+        return compareNumericMetaType<ulong>(a, b);
+    case QMetaType::Short:
+        return compareNumericMetaType<short>(a, b);
+    case QMetaType::UShort:
+        return compareNumericMetaType<ushort>(a, b);
+    case QMetaType::UChar:
+        return compareNumericMetaType<uchar>(a, b);
+    case QMetaType::Char:
+        return compareNumericMetaType<char>(a, b);
+    default:
+        break;
+    }
+    if (!QMetaType::isRegistered(a->type))
+        qFatal("QVariant::compare: type %d unknown to QVariant.", a->type);
+
+    /* The reason we cannot place this test in a case branch above for the types
+     * QMetaType::VoidStar, QMetaType::QObjectStar and so forth, is that it wouldn't include
+     * user defined pointer types. */
+    const char *const typeName = QMetaType::typeName(a->type);
+    if (typeName[qstrlen(typeName) - 1] == '*')
+        return *static_cast<void **>(a->data.shared->ptr) ==
+               *static_cast<void **>(b->data.shared->ptr);
+
+    return a->data.shared->ptr == b->data.shared->ptr;
+}
+
+/*!
+  \internal
+ */
+static qlonglong qMetaTypeNumber(const QVariant::Private *d)
+{
+    switch (d->type) {
+    case QMetaType::Int:
+        return d->data.i;
+    case QMetaType::LongLong:
+        return d->data.ll;
+    case QMetaType::Char:
+        return qlonglong(*static_cast<signed char *>(d->data.shared->ptr));
+    case QMetaType::Short:
+        return qlonglong(*static_cast<short *>(d->data.shared->ptr));
+    case QMetaType::Long:
+        return qlonglong(*static_cast<long *>(d->data.shared->ptr));
+    case QMetaType::Float:
+        return qRound64(*static_cast<float *>(d->data.shared->ptr));
+    case QVariant::Double:
+        return qRound64(d->data.d);
+    }
+    Q_ASSERT(false);
+    return 0;
+}
+
+static qulonglong qMetaTypeUNumber(const QVariant::Private *d)
+{
+    switch (d->type) {
+    case QVariant::UInt:
+        return d->data.u;
+    case QVariant::ULongLong:
+        return d->data.ull;
+    case QMetaType::UChar:
+        return qulonglong(*static_cast<unsigned char *>(d->data.shared->ptr));
+    case QMetaType::UShort:
+        return qulonglong(*static_cast<ushort *>(d->data.shared->ptr));
+    case QMetaType::ULong:
+        return qulonglong(*static_cast<ulong *>(d->data.shared->ptr));
+    }
+    Q_ASSERT(false);
+    return 0;
+}
+
+static qlonglong qConvertToNumber(const QVariant::Private *d, bool *ok)
+{
+    *ok = true;
+
+    switch (uint(d->type)) {
+    case QVariant::String:
+        return v_cast<QString>(d)->toLongLong(ok);
+    case QVariant::Char:
+        return v_cast<QChar>(d)->unicode();
+    case QVariant::ByteArray:
+        return v_cast<QByteArray>(d)->toLongLong(ok);
+    case QVariant::Bool:
+        return qlonglong(d->data.b);
+    case QVariant::Double:
+    case QVariant::Int:
+    case QMetaType::Char:
+    case QMetaType::Short:
+    case QMetaType::Long:
+    case QMetaType::Float:
+    case QMetaType::LongLong:
+        return qMetaTypeNumber(d);
+    case QVariant::ULongLong:
+    case QVariant::UInt:
+    case QMetaType::UChar:
+    case QMetaType::UShort:
+    case QMetaType::ULong:
+        return qlonglong(qMetaTypeUNumber(d));
+    }
+
+    *ok = false;
+    return Q_INT64_C(0);
+}
+
+static qulonglong qConvertToUnsignedNumber(const QVariant::Private *d, bool *ok)
+{
+    *ok = true;
+
+    switch (uint(d->type)) {
+    case QVariant::String:
+        return v_cast<QString>(d)->toULongLong(ok);
+    case QVariant::Char:
+        return v_cast<QChar>(d)->unicode();
+    case QVariant::ByteArray:
+        return v_cast<QByteArray>(d)->toULongLong(ok);
+    case QVariant::Bool:
+        return qulonglong(d->data.b);
+    case QVariant::Double:
+    case QVariant::Int:
+    case QMetaType::Char:
+    case QMetaType::Short:
+    case QMetaType::Long:
+    case QMetaType::Float:
+    case QMetaType::LongLong:
+        return qulonglong(qMetaTypeNumber(d));
+    case QVariant::ULongLong:
+    case QVariant::UInt:
+    case QMetaType::UChar:
+    case QMetaType::UShort:
+    case QMetaType::ULong:
+        return qMetaTypeUNumber(d);
+    }
+
+    *ok = false;
+    return Q_UINT64_C(0);
+}
+
+template<typename TInput, typename LiteralWrapper>
+inline bool qt_convertToBool(const QVariant::Private *const d)
+{
+    TInput str = v_cast<TInput>(d)->toLower();
+    return !(str == LiteralWrapper("0") || str == LiteralWrapper("false") || str.isEmpty());
+}
+
+/*!
+ \internal
+
+ Converts \a d to type \a t, which is placed in \a result.
+ */
+static bool convert(const QVariant::Private *d, QVariant::Type t, void *result, bool *ok)
+{
+    Q_ASSERT(d->type != uint(t));
+    Q_ASSERT(result);
+
+    bool dummy;
+    if (!ok)
+        ok = &dummy;
+
+    switch (uint(t)) {
+    case QVariant::String: {
+        QString *str = static_cast<QString *>(result);
+        switch (d->type) {
+        case QVariant::Char:
+            *str = QString(*v_cast<QChar>(d));
+            break;
+        case QMetaType::Char:
+        case QMetaType::UChar:
+            *str = QChar::fromAscii(*static_cast<char *>(d->data.shared->ptr));
+            break;
+        case QMetaType::Short:
+        case QMetaType::Long:
+        case QVariant::Int:
+        case QVariant::LongLong:
+            *str = QString::number(qMetaTypeNumber(d));
+            break;
+        case QVariant::UInt:
+        case QVariant::ULongLong:
+        case QMetaType::UShort:
+        case QMetaType::ULong:
+            *str = QString::number(qMetaTypeUNumber(d));
+            break;
+        case QMetaType::Float:
+            *str = QString::number(*static_cast<float *>(d->data.shared->ptr), 'g', FLT_DIG);
+            break;
+        case QVariant::Double:
+            *str = QString::number(d->data.d, 'g', DBL_DIG);
+            break;
+#if !defined(QT_NO_DATESTRING)
+        case QVariant::Date:
+            *str = v_cast<QDate>(d)->toString(Qt::ISODate);
+            break;
+        case QVariant::Time:
+            *str = v_cast<QTime>(d)->toString(Qt::ISODate);
+            break;
+        case QVariant::DateTime:
+            *str = v_cast<QDateTime>(d)->toString(Qt::ISODate);
+            break;
+#endif
+        case QVariant::Bool:
+            *str = QLatin1String(d->data.b ? "true" : "false");
+            break;
+        case QVariant::ByteArray:
+            *str = QString::fromAscii(v_cast<QByteArray>(d)->constData());
+            break;
+        case QVariant::StringList:
+            if (v_cast<QStringList>(d)->count() == 1)
+                *str = v_cast<QStringList>(d)->at(0);
+            break;
+        default:
+            return false;
+        }
+        break;
+    }
+    case QVariant::Char: {
+        QChar *c = static_cast<QChar *>(result);
+        switch (d->type) {
+        case QVariant::Int:
+        case QVariant::LongLong:
+        case QMetaType::Char:
+        case QMetaType::Short:
+        case QMetaType::Long:
+        case QMetaType::Float:
+            *c = QChar(ushort(qMetaTypeNumber(d)));
+            break;
+        case QVariant::UInt:
+        case QVariant::ULongLong:
+        case QMetaType::UChar:
+        case QMetaType::UShort:
+        case QMetaType::ULong:
+            *c = QChar(ushort(qMetaTypeUNumber(d)));
+            break;
+        default:
+            return false;
+        }
+        break;
+    }
+#ifndef QT_NO_GEOM_VARIANT
+    case QVariant::Size: {
+        QSize *s = static_cast<QSize *>(result);
+        switch (d->type) {
+        case QVariant::SizeF:
+            *s = v_cast<QSizeF>(d)->toSize();
+            break;
+        default:
+            return false;
+        }
+        break;
+    }
+
+    case QVariant::SizeF: {
+        QSizeF *s = static_cast<QSizeF *>(result);
+        switch (d->type) {
+        case QVariant::Size:
+            *s = QSizeF(*(v_cast<QSize>(d)));
+            break;
+        default:
+            return false;
+        }
+        break;
+    }
+
+    case QVariant::Line: {
+        QLine *s = static_cast<QLine *>(result);
+        switch (d->type) {
+        case QVariant::LineF:
+            *s = v_cast<QLineF>(d)->toLine();
+            break;
+        default:
+            return false;
+        }
+        break;
+    }
+
+    case QVariant::LineF: {
+        QLineF *s = static_cast<QLineF *>(result);
+        switch (d->type) {
+        case QVariant::Line:
+            *s = QLineF(*(v_cast<QLine>(d)));
+            break;
+        default:
+            return false;
+        }
+        break;
+    }
+#endif
+    case QVariant::StringList:
+        if (d->type == QVariant::List) {
+            QStringList *slst = static_cast<QStringList *>(result);
+            const QVariantList *list = v_cast<QVariantList >(d);
+            for (int i = 0; i < list->size(); ++i)
+                slst->append(list->at(i).toString());
+        } else if (d->type == QVariant::String) {
+            QStringList *slst = static_cast<QStringList *>(result);
+            *slst = QStringList(*v_cast<QString>(d));
+        } else {
+            return false;
+        }
+        break;
+    case QVariant::Date: {
+        QDate *dt = static_cast<QDate *>(result);
+        if (d->type == QVariant::DateTime)
+            *dt = v_cast<QDateTime>(d)->date();
+#ifndef QT_NO_DATESTRING
+        else if (d->type == QVariant::String)
+            *dt = QDate::fromString(*v_cast<QString>(d), Qt::ISODate);
+#endif
+        else
+            return false;
+
+        return dt->isValid();
+    }
+    case QVariant::Time: {
+        QTime *t = static_cast<QTime *>(result);
+        switch (d->type) {
+        case QVariant::DateTime:
+            *t = v_cast<QDateTime>(d)->time();
+            break;
+#ifndef QT_NO_DATESTRING
+        case QVariant::String:
+            *t = QTime::fromString(*v_cast<QString>(d), Qt::ISODate);
+            break;
+#endif
+        default:
+            return false;
+        }
+        return t->isValid();
+    }
+    case QVariant::DateTime: {
+        QDateTime *dt = static_cast<QDateTime *>(result);
+        switch (d->type) {
+#ifndef QT_NO_DATESTRING
+        case QVariant::String:
+            *dt = QDateTime::fromString(*v_cast<QString>(d), Qt::ISODate);
+            break;
+#endif
+        case QVariant::Date:
+            *dt = QDateTime(*v_cast<QDate>(d));
+            break;
+        default:
+            return false;
+        }
+        return dt->isValid();
+    }
+    case QVariant::ByteArray: {
+        QByteArray *ba = static_cast<QByteArray *>(result);
+        switch (d->type) {
+        case QVariant::String:
+            *ba = v_cast<QString>(d)->toAscii();
+            break;
+        case QVariant::Double:
+            *ba = QByteArray::number(d->data.d, 'g', DBL_DIG);
+            break;
+        case QMetaType::Float:
+            *ba = QByteArray::number(*static_cast<float *>(d->data.shared->ptr), 'g', FLT_DIG);
+            break;
+        case QMetaType::Char:
+        case QMetaType::UChar:
+            *ba = QByteArray(1, *static_cast<char *>(d->data.shared->ptr));
+            break;
+        case QVariant::Int:
+        case QVariant::LongLong:
+        case QMetaType::Short:
+        case QMetaType::Long:
+            *ba = QByteArray::number(qMetaTypeNumber(d));
+            break;
+        case QVariant::UInt:
+        case QVariant::ULongLong:
+        case QMetaType::UShort:
+        case QMetaType::ULong:
+            *ba = QByteArray::number(qMetaTypeUNumber(d));
+            break;
+        case QVariant::Bool:
+            *ba = QByteArray(d->data.b ? "true" : "false");
+            break;
+        default:
+            return false;
+        }
+    }
+    break;
+    case QMetaType::Short:
+        *static_cast<short *>(result) = short(qConvertToNumber(d, ok));
+        return *ok;
+    case QMetaType::Long:
+        *static_cast<long *>(result) = long(qConvertToNumber(d, ok));
+        return *ok;
+    case QMetaType::UShort:
+        *static_cast<ushort *>(result) = ushort(qConvertToUnsignedNumber(d, ok));
+        return *ok;
+    case QMetaType::ULong:
+        *static_cast<ulong *>(result) = ulong(qConvertToUnsignedNumber(d, ok));
+        return *ok;
+    case QVariant::Int:
+        *static_cast<int *>(result) = int(qConvertToNumber(d, ok));
+        return *ok;
+    case QVariant::UInt:
+        *static_cast<uint *>(result) = uint(qConvertToUnsignedNumber(d, ok));
+        return *ok;
+    case QVariant::LongLong:
+        *static_cast<qlonglong *>(result) = qConvertToNumber(d, ok);
+        return *ok;
+    case QVariant::ULongLong: {
+        *static_cast<qulonglong *>(result) = qConvertToUnsignedNumber(d, ok);
+        return *ok;
+    }
+    case QMetaType::UChar: {
+        *static_cast<uchar *>(result) = qConvertToUnsignedNumber(d, ok);
+        return *ok;
+    }
+    case QVariant::Bool: {
+        bool *b = static_cast<bool *>(result);
+        switch(d->type) {
+        case QVariant::ByteArray:
+            *b = qt_convertToBool<QByteArray, QByteArray>(d);
+            break;
+        case QVariant::String:
+            *b = qt_convertToBool<QString, QLatin1String>(d);
+            break;
+        case QVariant::Char:
+            *b = !v_cast<QChar>(d)->isNull();
+            break;
+        case QVariant::Double:
+        case QVariant::Int:
+        case QVariant::LongLong:
+        case QMetaType::Char:
+        case QMetaType::Short:
+        case QMetaType::Long:
+        case QMetaType::Float:
+            *b = qMetaTypeNumber(d) != Q_INT64_C(0);
+            break;
+        case QVariant::UInt:
+        case QVariant::ULongLong:
+        case QMetaType::UChar:
+        case QMetaType::UShort:
+        case QMetaType::ULong:
+            *b = qMetaTypeUNumber(d) != Q_UINT64_C(0);
+            break;
+        default:
+            *b = false;
+            return false;
+        }
+        break;
+    }
+    case QVariant::Double: {
+        double *f = static_cast<double *>(result);
+        switch (d->type) {
+        case QVariant::String:
+            *f = v_cast<QString>(d)->toDouble(ok);
+            break;
+        case QVariant::ByteArray:
+            *f = v_cast<QByteArray>(d)->toDouble(ok);
+            break;
+        case QVariant::Bool:
+            *f = double(d->data.b);
+            break;
+        case QMetaType::Float:
+            *f = *static_cast<float *>(d->data.shared->ptr);
+            break;
+        case QVariant::LongLong:
+        case QVariant::Int:
+        case QMetaType::Char:
+        case QMetaType::Short:
+        case QMetaType::Long:
+            *f = double(qMetaTypeNumber(d));
+            break;
+        case QVariant::UInt:
+        case QVariant::ULongLong:
+        case QMetaType::UChar:
+        case QMetaType::UShort:
+        case QMetaType::ULong:
+#if defined(Q_CC_MSVC) && !defined(Q_CC_MSVC_NET)
+            *f = (double)(qlonglong)qMetaTypeUNumber(d);
+#else
+            *f = double(qMetaTypeUNumber(d));
+#endif
+            break;
+        default:
+            *f = 0.0;
+            return false;
+        }
+        break;
+    }
+    case QMetaType::Float: {
+        float *f = static_cast<float *>(result);
+        switch (d->type) {
+        case QVariant::String:
+            *f = float(v_cast<QString>(d)->toDouble(ok));
+            break;
+        case QVariant::ByteArray:
+            *f = float(v_cast<QByteArray>(d)->toDouble(ok));
+            break;
+        case QVariant::Bool:
+            *f = float(d->data.b);
+            break;
+        case QVariant::Double:
+            *f = float(d->data.d);
+            break;
+        case QVariant::LongLong:
+        case QVariant::Int:
+        case QMetaType::Char:
+        case QMetaType::Short:
+        case QMetaType::Long:
+            *f = float(qMetaTypeNumber(d));
+            break;
+        case QVariant::UInt:
+        case QVariant::ULongLong:
+        case QMetaType::UChar:
+        case QMetaType::UShort:
+        case QMetaType::ULong:
+#if defined(Q_CC_MSVC) && !defined(Q_CC_MSVC_NET)
+            *f = (float)(qlonglong)qMetaTypeUNumber(d);
+#else
+            *f = float(qMetaTypeUNumber(d));
+#endif
+            break;
+        default:
+            *f = 0.0f;
+            return false;
+        }
+        break;
+    }
+    case QVariant::List:
+        if (d->type == QVariant::StringList) {
+            QVariantList *lst = static_cast<QVariantList *>(result);
+            const QStringList *slist = v_cast<QStringList>(d);
+            for (int i = 0; i < slist->size(); ++i)
+                lst->append(QVariant(slist->at(i)));
+        } else if (qstrcmp(QMetaType::typeName(d->type), "QList<QVariant>") == 0) {
+            *static_cast<QVariantList *>(result) =
+                *static_cast<QList<QVariant> *>(d->data.shared->ptr);
+        } else {
+            return false;
+        }
+        break;
+    case QVariant::Map:
+        if (qstrcmp(QMetaType::typeName(d->type), "QMap<QString, QVariant>") == 0) {
+            *static_cast<QVariantMap *>(result) =
+                *static_cast<QMap<QString, QVariant> *>(d->data.shared->ptr);
+        } else {
+            return false;
+        }
+        break;
+    case QVariant::Hash:
+        if (qstrcmp(QMetaType::typeName(d->type), "QHash<QString, QVariant>") == 0) {
+            *static_cast<QVariantHash *>(result) =
+                *static_cast<QHash<QString, QVariant> *>(d->data.shared->ptr);
+        } else {
+            return false;
+        }
+        break;
+#ifndef QT_NO_GEOM_VARIANT
+    case QVariant::Rect:
+        if (d->type == QVariant::RectF)
+            *static_cast<QRect *>(result) = (v_cast<QRectF>(d))->toRect();
+        else
+            return false;
+        break;
+    case QVariant::RectF:
+        if (d->type == QVariant::Rect)
+            *static_cast<QRectF *>(result) = *v_cast<QRect>(d);
+        else
+            return false;
+        break;
+    case QVariant::PointF:
+        if (d->type == QVariant::Point)
+            *static_cast<QPointF *>(result) = *v_cast<QPoint>(d);
+        else
+            return false;
+        break;
+    case QVariant::Point:
+        if (d->type == QVariant::PointF)
+            *static_cast<QPoint *>(result) = (v_cast<QPointF>(d))->toPoint();
+        else
+            return false;
+        break;
+    case QMetaType::Char:
+    {
+        *static_cast<qint8 *>(result) = qint8(qConvertToNumber(d, ok));
+        return *ok;
+    }
+#endif
+    default:
+        return false;
+    }
+    return true;
+}
+
+#if !defined(QT_NO_DEBUG_STREAM) && !defined(Q_BROKEN_DEBUG_STREAM)
+static void streamDebug(QDebug dbg, const QVariant &v)
+{
+    switch (v.type()) {
+    case QVariant::Int:
+        dbg.nospace() << v.toInt();
+        break;
+    case QVariant::UInt:
+        dbg.nospace() << v.toUInt();
+        break;
+    case QVariant::LongLong:
+        dbg.nospace() << v.toLongLong();
+        break;
+    case QVariant::ULongLong:
+        dbg.nospace() << v.toULongLong();
+        break;
+    case QVariant::Double:
+        dbg.nospace() << v.toDouble();
+        break;
+    case QVariant::Bool:
+        dbg.nospace() << v.toBool();
+        break;
+    case QVariant::String:
+        dbg.nospace() << v.toString();
+        break;
+    case QVariant::Char:
+        dbg.nospace() << v.toChar();
+        break;
+    case QVariant::StringList:
+        dbg.nospace() << v.toStringList();
+        break;
+    case QVariant::Map:
+        dbg.nospace() << v.toMap();
+        break;
+    case QVariant::Hash:
+        dbg.nospace() << v.toHash();
+        break;
+    case QVariant::List:
+        dbg.nospace() << v.toList();
+        break;
+    case QVariant::Date:
+        dbg.nospace() << v.toDate();
+        break;
+    case QVariant::Time:
+        dbg.nospace() << v.toTime();
+        break;
+    case QVariant::DateTime:
+        dbg.nospace() << v.toDateTime();
+        break;
+    case QVariant::ByteArray:
+        dbg.nospace() << v.toByteArray();
+        break;
+    case QVariant::Url:
+        dbg.nospace() << v.toUrl();
+        break;
+#ifndef QT_NO_GEOM_VARIANT
+    case QVariant::Point:
+        dbg.nospace() << v.toPoint();
+        break;
+    case QVariant::PointF:
+        dbg.nospace() << v.toPointF();
+        break;
+    case QVariant::Rect:
+        dbg.nospace() << v.toRect();
+        break;
+    case QVariant::Size:
+        dbg.nospace() << v.toSize();
+        break;
+    case QVariant::SizeF:
+        dbg.nospace() << v.toSizeF();
+        break;
+    case QVariant::Line:
+        dbg.nospace() << v.toLine();
+        break;
+    case QVariant::LineF:
+        dbg.nospace() << v.toLineF();
+        break;
+    case QVariant::RectF:
+        dbg.nospace() << v.toRectF();
+        break;
+#endif
+    case QVariant::BitArray:
+        //dbg.nospace() << v.toBitArray();
+        break;
+    default:
+        break;
+    }
+}
+#endif
+
+const QVariant::Handler qt_kernel_variant_handler = {
+    construct,
+    clear,
+    isNull,
+#ifndef QT_NO_DATASTREAM
+    0,
+    0,
+#endif
+    compare,
+    convert,
+    0,
+#if !defined(QT_NO_DEBUG_STREAM) && !defined(Q_BROKEN_DEBUG_STREAM)
+    streamDebug
+#else
+    0
+#endif
+};
+
+Q_CORE_EXPORT const QVariant::Handler *qcoreVariantHandler()
+{
+    return &qt_kernel_variant_handler;
+}
+
+
+const QVariant::Handler *QVariant::handler = &qt_kernel_variant_handler;
+
+/*!
+    \class QVariant
+    \brief The QVariant class acts like a union for the most common Qt data types.
+
+    \ingroup objectmodel
+    \ingroup misc
+    \ingroup shared
+    \mainclass
+
+    Because C++ forbids unions from including types that have
+    non-default constructors or destructors, most interesting Qt
+    classes cannot be used in unions. Without QVariant, this would be
+    a problem for QObject::property() and for database work, etc.
+
+    A QVariant object holds a single value of a single type() at a
+    time. (Some type()s are multi-valued, for example a string list.)
+    You can find out what type, T, the variant holds, convert it to a
+    different type using convert(), get its value using one of the
+    toT() functions (e.g., toSize()) and check whether the type can
+    be converted to a particular type using canConvert().
+
+    The methods named toT() (e.g., toInt(), toString()) are const. If
+    you ask for the stored type, they return a copy of the stored
+    object. If you ask for a type that can be generated from the
+    stored type, toT() copies and converts and leaves the object
+    itself unchanged. If you ask for a type that cannot be generated
+    from the stored type, the result depends on the type; see the
+    function documentation for details.
+
+    Here is some example code to demonstrate the use of QVariant:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 0
+
+    You can even store QList<QVariant> and QMap<QString, QVariant>
+    values in a variant, so you can easily construct arbitrarily
+    complex data structures of arbitrary types. This is very powerful
+    and versatile, but may prove less memory and speed efficient than
+    storing specific types in standard data structures.
+
+    QVariant also supports the notion of null values, where you have
+    a defined type with no value set.
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 1
+
+    QVariant can be extended to support other types than those
+    mentioned in the \l Type enum. See the \l QMetaType documentation
+    for details.
+
+    \section1 A Note on GUI Types
+
+    Because QVariant is part of the QtCore library, it cannot provide
+    conversion functions to data types defined in QtGui, such as
+    QColor, QImage, and QPixmap. In other words, there is no \c
+    toColor() function. Instead, you can use the QVariant::value() or
+    the qVariantValue() template function. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 2
+
+    The inverse conversion (e.g., from QColor to QVariant) is
+    automatic for all data types supported by QVariant, including
+    GUI-related types:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 3
+
+    \section1 Using canConvert() and convert() Consecutively
+
+    When using canConvert() and convert() consecutively, it is possible for
+    canConvert() to return true, but convert() to return false. This
+    is typically because canConvert() only reports the general ability of
+    QVariant to convert between types given suitable data; it is still
+    possible to supply data which cannot actually be converted.
+
+    For example, canConvert() would return true when called on a variant
+    containing a string because, in principle, QVariant is able to convert
+    strings of numbers to integers.
+    However, if the string contains non-numeric characters, it cannot be
+    converted to an integer, and any attempt to convert it will fail.
+    Hence, it is important to have both functions return true for a
+    successful conversion.
+
+    \sa QMetaType
+*/
+
+/*!
+    \enum QVariant::Type
+
+    This enum type defines the types of variable that a QVariant can
+    contain.
+
+    \value Invalid  no type
+    \value BitArray  a QBitArray
+    \value Bitmap  a QBitmap
+    \value Bool  a bool
+    \value Brush  a QBrush
+    \value ByteArray  a QByteArray
+    \value Char  a QChar
+    \value Color  a QColor
+    \value Cursor  a QCursor
+    \value Date  a QDate
+    \value DateTime  a QDateTime
+    \value Double  a double
+    \value Font  a QFont
+    \value Hash a QVariantHash
+    \value Icon  a QIcon
+    \value Image  a QImage
+    \value Int  an int
+    \value KeySequence  a QKeySequence
+    \value Line  a QLine
+    \value LineF  a QLineF
+    \value List  a QVariantList
+    \value Locale  a QLocale
+    \value LongLong a \l qlonglong
+    \value Map  a QVariantMap
+    \value Matrix  a QMatrix
+    \value Transform  a QTransform
+    \value Palette  a QPalette
+    \value Pen  a QPen
+    \value Pixmap  a QPixmap
+    \value Point  a QPoint
+    \value PointArray  a QPointArray
+    \value PointF  a QPointF
+    \value Polygon a QPolygon
+    \value Rect  a QRect
+    \value RectF  a QRectF
+    \value RegExp  a QRegExp
+    \value Region  a QRegion
+    \value Size  a QSize
+    \value SizeF  a QSizeF
+    \value SizePolicy  a QSizePolicy
+    \value String  a QString
+    \value StringList  a QStringList
+    \value TextFormat  a QTextFormat
+    \value TextLength  a QTextLength
+    \value Time  a QTime
+    \value UInt  a \l uint
+    \value ULongLong a \l qulonglong
+    \value Url  a QUrl
+
+    \value UserType Base value for user-defined types.
+
+    \omitvalue CString
+    \omitvalue ColorGroup
+    \omitvalue IconSet
+    \omitvalue LastGuiType
+    \omitvalue LastCoreType
+    \omitvalue LastType
+*/
+
+/*!
+    \fn QVariant::QVariant()
+
+    Constructs an invalid variant.
+*/
+
+
+/*!
+    \fn QVariant::QVariant(int typeOrUserType, const void *copy)
+
+    Constructs variant of type \a typeOrUserType, and initializes with
+    \a copy if \a copy is not 0.
+
+    Note that you have to pass the address of the variable you want stored.
+
+    Usually, you never have to use this constructor, use qVariantFromValue()
+    instead to construct variants from the pointer types represented by
+    \c QMetaType::VoidStar, \c QMetaType::QObjectStar and
+    \c QMetaType::QWidgetStar.
+
+    \sa qVariantFromValue(), Type
+*/
+
+/*!
+    \fn QVariant::QVariant(Type type)
+
+    Constructs a null variant of type \a type.
+*/
+
+
+
+/*!
+    \fn QVariant::create(int type, const void *copy)
+
+    \internal
+
+    Constructs a variant private of type \a type, and initializes with \a copy if
+    \a copy is not 0.
+*/
+
+void QVariant::create(int type, const void *copy)
+{
+    d.type = type;
+    handler->construct(&d, copy);
+}
+
+/*!
+    \fn QVariant::~QVariant()
+
+    Destroys the QVariant and the contained object.
+
+    Note that subclasses that reimplement clear() should reimplement
+    the destructor to call clear(). This destructor calls clear(), but
+    because it is the destructor, QVariant::clear() is called rather
+    than a subclass's clear().
+*/
+
+QVariant::~QVariant()
+{
+    if (d.type > Char && (!d.is_shared || !d.data.shared->ref.deref()))
+        handler->clear(&d);
+}
+
+/*!
+  \fn QVariant::QVariant(const QVariant &p)
+
+    Constructs a copy of the variant, \a p, passed as the argument to
+    this constructor.
+*/
+
+QVariant::QVariant(const QVariant &p)
+    : d(p.d)
+{
+    if (d.is_shared) {
+        d.data.shared->ref.ref();
+    } else if (p.d.type > Char) {
+        handler->construct(&d, p.constData());
+        d.is_null = p.d.is_null;
+    }
+}
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    Reads the variant from the data stream, \a s.
+*/
+QVariant::QVariant(QDataStream &s)
+{
+    d.is_null = true;
+    s >> *this;
+}
+#endif //QT_NO_DATASTREAM
+
+/*!
+  \fn QVariant::QVariant(const QString &val)
+
+    Constructs a new variant with a string value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QLatin1String &val)
+
+    Constructs a new variant with a string value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const char *val)
+
+    Constructs a new variant with a string value of \a val.
+    The variant creates a deep copy of \a val, using the encoding
+    set by QTextCodec::setCodecForCStrings().
+
+    Note that \a val is converted to a QString for storing in the
+    variant and QVariant::type() will return QMetaType::QString for
+    the variant.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications.
+
+    \sa QTextCodec::setCodecForCStrings()
+*/
+
+#ifndef QT_NO_CAST_FROM_ASCII
+QVariant::QVariant(const char *val)
+{
+    QString s = QString::fromAscii(val);
+    create(String, &s);
+}
+#endif
+
+/*!
+  \fn QVariant::QVariant(const QStringList &val)
+
+    Constructs a new variant with a string list value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QMap<QString, QVariant> &val)
+
+    Constructs a new variant with a map of QVariants, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QHash<QString, QVariant> &val)
+
+    Constructs a new variant with a hash of QVariants, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QDate &val)
+
+    Constructs a new variant with a date value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QTime &val)
+
+    Constructs a new variant with a time value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QDateTime &val)
+
+    Constructs a new variant with a date/time value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QByteArray &val)
+
+    Constructs a new variant with a bytearray value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QBitArray &val)
+
+    Constructs a new variant with a bitarray value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QPoint &val)
+
+  Constructs a new variant with a point value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(const QPointF &val)
+
+  Constructs a new variant with a point value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(const QRectF &val)
+
+  Constructs a new variant with a rect value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(const QLineF &val)
+
+  Constructs a new variant with a line value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(const QLine &val)
+
+  Constructs a new variant with a line value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(const QRect &val)
+
+  Constructs a new variant with a rect value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(const QSize &val)
+
+  Constructs a new variant with a size value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(const QSizeF &val)
+
+  Constructs a new variant with a size value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(const QUrl &val)
+
+  Constructs a new variant with a url value of \a val.
+ */
+
+/*!
+  \fn QVariant::QVariant(int val)
+
+    Constructs a new variant with an integer value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(uint val)
+
+    Constructs a new variant with an unsigned integer value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(qlonglong val)
+
+    Constructs a new variant with a long long integer value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(qulonglong val)
+
+    Constructs a new variant with an unsigned long long integer value, \a val.
+*/
+
+
+/*!
+  \fn QVariant::QVariant(bool val)
+
+    Constructs a new variant with a boolean value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(double val)
+
+    Constructs a new variant with a floating point value, \a val.
+*/
+
+/*!
+    \fn QVariant::QVariant(const QList<QVariant> &val)
+
+    Constructs a new variant with a list value, \a val.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QChar &c)
+
+  Constructs a new variant with a char value, \a c.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QLocale &l)
+
+  Constructs a new variant with a locale value, \a l.
+*/
+
+/*!
+  \fn QVariant::QVariant(const QRegExp &regExp)
+
+  Constructs a new variant with the regexp value \a regExp.
+*/
+
+/*! \since 4.2
+  \fn QVariant::QVariant(Qt::GlobalColor color)
+
+  Constructs a new variant of type QVariant::Color and initializes
+  it with \a color.
+
+  This is a convenience constructor that allows \c{QVariant(Qt::blue);}
+  to create a valid QVariant storing a QColor.
+
+  Note: This constructor will assert if the application does not link
+  to the Qt GUI library.
+ */
+
+QVariant::QVariant(Type type)
+{ create(type, 0); }
+QVariant::QVariant(int typeOrUserType, const void *copy)
+{ create(typeOrUserType, copy); d.is_null = false; }
+QVariant::QVariant(int val)
+{ d.is_null = false; d.type = Int; d.data.i = val; }
+QVariant::QVariant(uint val)
+{ d.is_null = false; d.type = UInt; d.data.u = val; }
+QVariant::QVariant(qlonglong val)
+{ d.is_null = false; d.type = LongLong; d.data.ll = val; }
+QVariant::QVariant(qulonglong val)
+{ d.is_null = false; d.type = ULongLong; d.data.ull = val; }
+QVariant::QVariant(bool val)
+{ d.is_null = false; d.type = Bool; d.data.b = val; }
+QVariant::QVariant(double val)
+{ d.is_null = false; d.type = Double; d.data.d = val; }
+
+QVariant::QVariant(const QByteArray &val)
+{ create(ByteArray, &val); }
+QVariant::QVariant(const QBitArray &val)
+{ create(BitArray, &val); }
+QVariant::QVariant(const QString &val)
+{ create(String, &val); }
+QVariant::QVariant(const QChar &val)
+{ create (Char, &val); }
+QVariant::QVariant(const QLatin1String &val)
+{ QString str(val); create(String, &str); }
+QVariant::QVariant(const QStringList &val)
+{ create(StringList, &val); }
+
+QVariant::QVariant(const QDate &val)
+{ create(Date, &val); }
+QVariant::QVariant(const QTime &val)
+{ create(Time, &val); }
+QVariant::QVariant(const QDateTime &val)
+{ create(DateTime, &val); }
+QVariant::QVariant(const QList<QVariant> &list)
+{ create(List, &list); }
+QVariant::QVariant(const QMap<QString, QVariant> &map)
+{ create(Map, &map); }
+QVariant::QVariant(const QHash<QString, QVariant> &hash)
+{ create(Hash, &hash); }
+#ifndef QT_NO_GEOM_VARIANT
+QVariant::QVariant(const QPoint &pt) { create(Point, &pt); }
+QVariant::QVariant(const QPointF &pt) { create (PointF, &pt); }
+QVariant::QVariant(const QRectF &r) { create (RectF, &r); }
+QVariant::QVariant(const QLineF &l) { create (LineF, &l); }
+QVariant::QVariant(const QLine &l) { create (Line, &l); }
+QVariant::QVariant(const QRect &r) { create(Rect, &r); }
+QVariant::QVariant(const QSize &s) { create(Size, &s); }
+QVariant::QVariant(const QSizeF &s) { create(SizeF, &s); }
+#endif
+QVariant::QVariant(const QUrl &u) { create(Url, &u); }
+QVariant::QVariant(const QLocale &l) { create(Locale, &l); }
+#ifndef QT_NO_REGEXP
+QVariant::QVariant(const QRegExp &regExp) { create(RegExp, &regExp); }
+#endif
+QVariant::QVariant(Qt::GlobalColor color) { create(62, &color); }
+
+/*!
+    Returns the storage type of the value stored in the variant.
+    Although this function is declared as returning QVariant::Type,
+    the return value should be interpreted as QMetaType::Type. In
+    particular, QVariant::UserType is returned here only if the value
+    is equal or greater than QMetaType::User.
+
+    Note that return values in the ranges QVariant::Char through
+    QVariant::RegExp and QVariant::Font through QVariant::Transform
+    correspond to the values in the ranges QMetaType::QChar through
+    QMetaType::QRegExp and QMetaType::QFont through QMetaType::QTransform.
+
+    Pay particular attention when working with char and QChar
+    variants.  Note that there is no QVariant constructor specifically
+    for type char, but there is one for QChar. For a variant of type
+    QChar, this function returns QVariant::Char, which is the same as
+    QMetaType::QChar, but for a variant of type \c char, this function
+    returns QMetaType::Char, which is \e not the same as
+    QVariant::Char.
+
+    Also note that the types \c void*, \c long, \c short, \c unsigned
+    \c long, \c unsigned \c short, \c unsigned \c char, \c float, \c
+    QObject*, and \c QWidget* are represented in QMetaType::Type but
+    not in QVariant::Type, and they can be returned by this function.
+    However, they are considered to be user defined types when tested
+    against QVariant::Type.
+
+    To test whether an instance of QVariant contains a data type that
+    is compatible with the data type you are interested in, use
+    canConvert().
+*/
+
+QVariant::Type QVariant::type() const
+{
+    return d.type >= QMetaType::User ? UserType : static_cast<Type>(d.type);
+}
+
+/*!
+    Returns the storage type of the value stored in the variant. For
+    non-user types, this is the same as type().
+
+    \sa type()
+*/
+
+int QVariant::userType() const
+{
+    return d.type;
+}
+
+/*!
+    Assigns the value of the variant \a variant to this variant.
+*/
+QVariant& QVariant::operator=(const QVariant &variant)
+{
+    if (this == &variant)
+        return *this;
+
+    clear();
+    if (variant.d.is_shared) {
+        variant.d.data.shared->ref.ref();
+        d = variant.d;
+    } else if (variant.d.type > Char) {
+        d.type = variant.d.type;
+        handler->construct(&d, variant.constData());
+        d.is_null = variant.d.is_null;
+    } else {
+        d = variant.d;
+    }
+
+    return *this;
+}
+
+/*!
+    \fn void QVariant::detach()
+
+    \internal
+*/
+
+void QVariant::detach()
+{
+    if (!d.is_shared || d.data.shared->ref == 1)
+        return;
+
+    Private dd;
+    dd.type = d.type;
+    handler->construct(&dd, constData());
+    if (!d.data.shared->ref.deref())
+        handler->clear(&d);
+    d.data.shared = dd.data.shared;
+}
+
+/*!
+    \fn bool QVariant::isDetached() const
+
+    \internal
+*/
+
+// ### Qt 5: change typeName()(and froends= to return a QString. Suggestion from Harald.
+/*!
+    Returns the name of the type stored in the variant. The returned
+    strings describe the C++ datatype used to store the data: for
+    example, "QFont", "QString", or "QVariantList". An Invalid
+    variant returns 0.
+*/
+const char *QVariant::typeName() const
+{
+    return typeToName(Type(d.type));
+}
+
+/*!
+    Convert this variant to type Invalid and free up any resources
+    used.
+*/
+void QVariant::clear()
+{
+    if (!d.is_shared || !d.data.shared->ref.deref())
+        handler->clear(&d);
+    d.type = Invalid;
+    d.is_null = true;
+    d.is_shared = false;
+}
+
+/*!
+    Converts the enum representation of the storage type, \a typ, to
+    its string representation.
+
+    Returns a null pointer if the type is QVariant::Invalid or doesn't exist.
+*/
+const char *QVariant::typeToName(Type typ)
+{
+    if (typ == Invalid)
+        return 0;
+    if (typ == UserType)
+        return "UserType";
+
+    return QMetaType::typeName(typ);
+}
+
+
+/*!
+    Converts the string representation of the storage type given in \a
+    name, to its enum representation.
+
+    If the string representation cannot be converted to any enum
+    representation, the variant is set to \c Invalid.
+*/
+QVariant::Type QVariant::nameToType(const char *name)
+{
+    if (!name || !*name)
+        return Invalid;
+    if (strcmp(name, "Q3CString") == 0)
+        return ByteArray;
+    if (strcmp(name, "Q_LLONG") == 0)
+        return LongLong;
+    if (strcmp(name, "Q_ULLONG") == 0)
+        return ULongLong;
+    if (strcmp(name, "QIconSet") == 0)
+        return Icon;
+    if (strcmp(name, "UserType") == 0)
+        return UserType;
+
+    int metaType = QMetaType::type(name);
+    return metaType <= int(LastGuiType) ? QVariant::Type(metaType) : UserType;
+}
+
+#ifndef QT_NO_DATASTREAM
+enum { MapFromThreeCount = 35 };
+static const uint map_from_three[MapFromThreeCount] =
+{
+    QVariant::Invalid,
+    QVariant::Map,
+    QVariant::List,
+    QVariant::String,
+    QVariant::StringList,
+    QVariant::Font,
+    QVariant::Pixmap,
+    QVariant::Brush,
+    QVariant::Rect,
+    QVariant::Size,
+    QVariant::Color,
+    QVariant::Palette,
+    63, // ColorGroup
+    QVariant::Icon,
+    QVariant::Point,
+    QVariant::Image,
+    QVariant::Int,
+    QVariant::UInt,
+    QVariant::Bool,
+    QVariant::Double,
+    QVariant::ByteArray,
+    QVariant::Polygon,
+    QVariant::Region,
+    QVariant::Bitmap,
+    QVariant::Cursor,
+    QVariant::SizePolicy,
+    QVariant::Date,
+    QVariant::Time,
+    QVariant::DateTime,
+    QVariant::ByteArray,
+    QVariant::BitArray,
+    QVariant::KeySequence,
+    QVariant::Pen,
+    QVariant::LongLong,
+    QVariant::ULongLong
+};
+
+/*!
+    Internal function for loading a variant from stream \a s. Use the
+    stream operators instead.
+
+    \internal
+*/
+void QVariant::load(QDataStream &s)
+{
+    clear();
+
+    quint32 u;
+    s >> u;
+    if (s.version() < QDataStream::Qt_4_0) {
+        if (u >= MapFromThreeCount)
+            return;
+        u = map_from_three[u];
+    }
+    qint8 is_null = false;
+    if (s.version() >= QDataStream::Qt_4_2)
+        s >> is_null;
+    if (u == QVariant::UserType) {
+        QByteArray name;
+        s >> name;
+        u = QMetaType::type(name);
+        if (!u) {
+            s.setStatus(QDataStream::ReadCorruptData);
+            return;
+        }
+    }
+    create(static_cast<int>(u), 0);
+    d.is_null = is_null;
+
+    if (d.type == QVariant::Invalid) {
+        // Since we wrote something, we should read something
+        QString x;
+        s >> x;
+        d.is_null = true;
+        return;
+    }
+
+    // const cast is safe since we operate on a newly constructed variant
+    if (!QMetaType::load(s, d.type, const_cast<void *>(constDataHelper(d)))) {
+        s.setStatus(QDataStream::ReadCorruptData);
+        qWarning("QVariant::load: unable to load type %d.", d.type);
+    }
+}
+
+/*!
+    Internal function for saving a variant to the stream \a s. Use the
+    stream operators instead.
+
+    \internal
+*/
+void QVariant::save(QDataStream &s) const
+{
+    quint32 tp = type();
+    if (s.version() < QDataStream::Qt_4_0) {
+        int i;
+        for (i = MapFromThreeCount - 1; i >= 0; i--) {
+            if (map_from_three[i] == tp) {
+                tp = i;
+                break;
+            }
+        }
+        if (i == -1) {
+            s << QVariant();
+            return;
+        }
+    }
+    s << tp;
+    if (s.version() >= QDataStream::Qt_4_2)
+        s << qint8(d.is_null);
+    if (tp == QVariant::UserType) {
+        s << QMetaType::typeName(userType());
+    }
+
+    if (d.type == QVariant::Invalid) {
+        s << QString();
+        return;
+    }
+
+    if (!QMetaType::save(s, d.type, constDataHelper(d))) {
+        Q_ASSERT_X(false, "QVariant::save", "Invalid type to save");
+        qWarning("QVariant::save: unable to save type %d.", d.type);
+    }
+}
+
+/*!
+    \since 4.4
+
+    Reads a variant \a p from the stream \a s.
+
+    \sa \link datastreamformat.html Format of the QDataStream
+    operators \endlink
+*/
+QDataStream& operator>>(QDataStream &s, QVariant &p)
+{
+    p.load(s);
+    return s;
+}
+
+/*!
+    Writes a variant \a p to the stream \a s.
+
+    \sa \link datastreamformat.html Format of the QDataStream
+    operators \endlink
+*/
+QDataStream& operator<<(QDataStream &s, const QVariant &p)
+{
+    p.save(s);
+    return s;
+}
+
+/*!
+    Reads a variant type \a p in enum representation from the stream \a s.
+*/
+QDataStream& operator>>(QDataStream &s, QVariant::Type &p)
+{
+    quint32 u;
+    s >> u;
+    p = (QVariant::Type)u;
+
+    return s;
+}
+
+/*!
+    Writes a variant type \a p to the stream \a s.
+*/
+QDataStream& operator<<(QDataStream &s, const QVariant::Type p)
+{
+    s << static_cast<quint32>(p);
+
+    return s;
+}
+
+#endif //QT_NO_DATASTREAM
+
+/*!
+    \fn bool QVariant::isValid() const
+
+    Returns true if the storage type of this variant is not
+    QVariant::Invalid; otherwise returns false.
+*/
+
+template <typename T>
+inline T qVariantToHelper(const QVariant::Private &d, QVariant::Type t,
+                          const QVariant::Handler *handler, T * = 0)
+{
+    if (d.type == t)
+        return *v_cast<T>(&d);
+
+    T ret;
+    handler->convert(&d, t, &ret, 0);
+    return ret;
+}
+
+/*!
+    \fn QStringList QVariant::toStringList() const
+
+    Returns the variant as a QStringList if the variant has type()
+    StringList, \l String, or \l List of a type that can be converted
+    to QString; otherwise returns an empty list.
+
+    \sa canConvert(), convert()
+*/
+QStringList QVariant::toStringList() const
+{
+    return qVariantToHelper<QStringList>(d, StringList, handler);
+}
+
+/*!
+    Returns the variant as a QString if the variant has type() \l
+    String, \l Bool, \l ByteArray, \l Char, \l Date, \l DateTime, \l
+    Double, \l Int, \l LongLong, \l StringList, \l Time, \l UInt, or
+    \l ULongLong; otherwise returns an empty string.
+
+    \sa canConvert(), convert()
+*/
+QString QVariant::toString() const
+{
+    return qVariantToHelper<QString>(d, String, handler);
+}
+
+/*!
+    Returns the variant as a QMap<QString, QVariant> if the variant
+    has type() \l Map; otherwise returns an empty map.
+
+    \sa canConvert(), convert()
+*/
+QVariantMap QVariant::toMap() const
+{
+    return qVariantToHelper<QVariantMap>(d, Map, handler);
+}
+
+/*!
+    Returns the variant as a QHash<QString, QVariant> if the variant
+    has type() \l Hash; otherwise returns an empty map.
+
+    \sa canConvert(), convert()
+*/
+QVariantHash QVariant::toHash() const
+{
+    return qVariantToHelper<QVariantHash>(d, Hash, handler);
+}
+
+/*!
+    \fn QDate QVariant::toDate() const
+
+    Returns the variant as a QDate if the variant has type() \l Date,
+    \l DateTime, or \l String; otherwise returns an invalid date.
+
+    If the type() is \l String, an invalid date will be returned if the
+    string cannot be parsed as a Qt::ISODate format date.
+
+    \sa canConvert(), convert()
+*/
+QDate QVariant::toDate() const
+{
+    return qVariantToHelper<QDate>(d, Date, handler);
+}
+
+/*!
+    \fn QTime QVariant::toTime() const
+
+    Returns the variant as a QTime if the variant has type() \l Time,
+    \l DateTime, or \l String; otherwise returns an invalid time.
+
+    If the type() is \l String, an invalid time will be returned if
+    the string cannot be parsed as a Qt::ISODate format time.
+
+    \sa canConvert(), convert()
+*/
+QTime QVariant::toTime() const
+{
+    return qVariantToHelper<QTime>(d, Time, handler);
+}
+
+/*!
+    \fn QDateTime QVariant::toDateTime() const
+
+    Returns the variant as a QDateTime if the variant has type() \l
+    DateTime, \l Date, or \l String; otherwise returns an invalid
+    date/time.
+
+    If the type() is \l String, an invalid date/time will be returned
+    if the string cannot be parsed as a Qt::ISODate format date/time.
+
+    \sa canConvert(), convert()
+*/
+QDateTime QVariant::toDateTime() const
+{
+    return qVariantToHelper<QDateTime>(d, DateTime, handler);
+}
+
+/*!
+    \fn QByteArray QVariant::toByteArray() const
+
+    Returns the variant as a QByteArray if the variant has type() \l
+    ByteArray or \l String (converted using QString::fromAscii());
+    otherwise returns an empty byte array.
+
+    \sa canConvert(), convert()
+*/
+QByteArray QVariant::toByteArray() const
+{
+    return qVariantToHelper<QByteArray>(d, ByteArray, handler);
+}
+
+#ifndef QT_NO_GEOM_VARIANT
+/*!
+    \fn QPoint QVariant::toPoint() const
+
+    Returns the variant as a QPoint if the variant has type()
+    \l Point or \l PointF; otherwise returns a null QPoint.
+
+    \sa canConvert(), convert()
+*/
+QPoint QVariant::toPoint() const
+{
+    return qVariantToHelper<QPoint>(d, Point, handler);
+}
+
+/*!
+    \fn QRect QVariant::toRect() const
+
+    Returns the variant as a QRect if the variant has type() \l Rect;
+    otherwise returns an invalid QRect.
+
+    \sa canConvert(), convert()
+*/
+QRect QVariant::toRect() const
+{
+    return qVariantToHelper<QRect>(d, Rect, handler);
+}
+
+/*!
+    \fn QSize QVariant::toSize() const
+
+    Returns the variant as a QSize if the variant has type() \l Size;
+    otherwise returns an invalid QSize.
+
+    \sa canConvert(), convert()
+*/
+QSize QVariant::toSize() const
+{
+    return qVariantToHelper<QSize>(d, Size, handler);
+}
+
+/*!
+    \fn QSizeF QVariant::toSizeF() const
+
+    Returns the variant as a QSizeF if the variant has type() \l
+    SizeF; otherwise returns an invalid QSizeF.
+
+    \sa canConvert(), convert()
+*/
+QSizeF QVariant::toSizeF() const
+{
+    return qVariantToHelper<QSizeF>(d, SizeF, handler);
+}
+
+/*!
+    \fn QRectF QVariant::toRectF() const
+
+    Returns the variant as a QRectF if the variant has type() \l Rect
+    or \l RectF; otherwise returns an invalid QRectF.
+
+    \sa canConvert(), convert()
+*/
+QRectF QVariant::toRectF() const
+{
+    return qVariantToHelper<QRectF>(d, RectF, handler);
+}
+
+/*!
+    \fn QLineF QVariant::toLineF() const
+
+    Returns the variant as a QLineF if the variant has type() \l
+    LineF; otherwise returns an invalid QLineF.
+
+    \sa canConvert(), convert()
+*/
+QLineF QVariant::toLineF() const
+{
+    return qVariantToHelper<QLineF>(d, LineF, handler);
+}
+
+/*!
+    \fn QLine QVariant::toLine() const
+
+    Returns the variant as a QLine if the variant has type() \l Line;
+    otherwise returns an invalid QLine.
+
+    \sa canConvert(), convert()
+*/
+QLine QVariant::toLine() const
+{
+    return qVariantToHelper<QLine>(d, Line, handler);
+}
+
+/*!
+    \fn QPointF QVariant::toPointF() const
+
+    Returns the variant as a QPointF if the variant has type() \l
+    Point or \l PointF; otherwise returns a null QPointF.
+
+    \sa canConvert(), convert()
+*/
+QPointF QVariant::toPointF() const
+{
+    return qVariantToHelper<QPointF>(d, PointF, handler);
+}
+
+#endif // QT_NO_GEOM_VARIANT
+
+/*!
+    \fn QUrl QVariant::toUrl() const
+
+    Returns the variant as a QUrl if the variant has type()
+    \l Url; otherwise returns an invalid QUrl.
+
+    \sa canConvert(), convert()
+*/
+QUrl QVariant::toUrl() const
+{
+    return qVariantToHelper<QUrl>(d, Url, handler);
+}
+
+/*!
+    \fn QLocale QVariant::toLocale() const
+
+    Returns the variant as a QLocale if the variant has type()
+    \l Locale; otherwise returns an invalid QLocale.
+
+    \sa canConvert(), convert()
+*/
+QLocale QVariant::toLocale() const
+{
+    return qVariantToHelper<QLocale>(d, Locale, handler);
+}
+
+/*!
+    \fn QRegExp QVariant::toRegExp() const
+    \since 4.1
+
+    Returns the variant as a QRegExp if the variant has type() \l
+    RegExp; otherwise returns an empty QRegExp.
+
+    \sa canConvert(), convert()
+*/
+#ifndef QT_NO_REGEXP
+QRegExp QVariant::toRegExp() const
+{
+    return qVariantToHelper<QRegExp>(d, RegExp, handler);
+}
+#endif
+
+/*!
+    \fn QChar QVariant::toChar() const
+
+    Returns the variant as a QChar if the variant has type() \l Char,
+    \l Int, or \l UInt; otherwise returns an invalid QChar.
+
+    \sa canConvert(), convert()
+*/
+QChar QVariant::toChar() const
+{
+    return qVariantToHelper<QChar>(d, Char, handler);
+}
+
+/*!
+    Returns the variant as a QBitArray if the variant has type()
+    \l BitArray; otherwise returns an empty bit array.
+
+    \sa canConvert(), convert()
+*/
+QBitArray QVariant::toBitArray() const
+{
+    return qVariantToHelper<QBitArray>(d, BitArray, handler);
+}
+
+template <typename T>
+inline T qNumVariantToHelper(const QVariant::Private &d, QVariant::Type t,
+                             const QVariant::Handler *handler, bool *ok, const T& val)
+{
+    if (ok)
+        *ok = true;
+    if (d.type == t)
+        return val;
+
+    T ret;
+    if (!handler->convert(&d, t, &ret, ok) && ok)
+        *ok = false;
+    return ret;
+}
+
+/*!
+    Returns the variant as an int if the variant has type() \l Int,
+    \l Bool, \l ByteArray, \l Char, \l Double, \l LongLong, \l
+    String, \l UInt, or \l ULongLong; otherwise returns 0.
+
+    If \a ok is non-null: \c{*}\a{ok} is set to true if the value could be
+    converted to an int; otherwise \c{*}\a{ok} is set to false.
+
+    \bold{Warning:} If the value is convertible to a \l LongLong but is too
+    large to be represented in an int, the resulting arithmetic overflow will
+    not be reflected in \a ok. A simple workaround is to use QString::toInt().
+    Fixing this bug has been postponed to Qt 5 in order to avoid breaking existing code.
+
+    \sa canConvert(), convert()
+*/
+int QVariant::toInt(bool *ok) const
+{
+    return qNumVariantToHelper<int>(d, Int, handler, ok, d.data.i);
+}
+
+/*!
+    Returns the variant as an unsigned int if the variant has type()
+    \l UInt,  \l Bool, \l ByteArray, \l Char, \l Double, \l Int, \l
+    LongLong, \l String, or \l ULongLong; otherwise returns 0.
+
+    If \a ok is non-null: \c{*}\a{ok} is set to true if the value could be
+    converted to an unsigned int; otherwise \c{*}\a{ok} is set to false.
+
+    \bold{Warning:} If the value is convertible to a \l ULongLong but is too
+    large to be represented in an unsigned int, the resulting arithmetic overflow will
+    not be reflected in \a ok. A simple workaround is to use QString::toUInt().
+    Fixing this bug has been postponed to Qt 5 in order to avoid breaking existing code.
+
+    \sa canConvert(), convert()
+*/
+uint QVariant::toUInt(bool *ok) const
+{
+    return qNumVariantToHelper<uint>(d, UInt, handler, ok, d.data.u);
+}
+
+/*!
+    Returns the variant as a long long int if the variant has type()
+    \l LongLong, \l Bool, \l ByteArray, \l Char, \l Double, \l Int,
+    \l String, \l UInt, or \l ULongLong; otherwise returns 0.
+
+    If \a ok is non-null: \c{*}\c{ok} is set to true if the value could be
+    converted to an int; otherwise \c{*}\c{ok} is set to false.
+
+    \sa canConvert(), convert()
+*/
+qlonglong QVariant::toLongLong(bool *ok) const
+{
+    return qNumVariantToHelper<qlonglong>(d, LongLong, handler, ok, d.data.ll);
+}
+
+/*!
+    Returns the variant as as an unsigned long long int if the
+    variant has type() \l ULongLong, \l Bool, \l ByteArray, \l Char,
+    \l Double, \l Int, \l LongLong, \l String, or \l UInt; otherwise
+    returns 0.
+
+    If \a ok is non-null: \c{*}\a{ok} is set to true if the value could be
+    converted to an int; otherwise \c{*}\a{ok} is set to false.
+
+    \sa canConvert(), convert()
+*/
+qulonglong QVariant::toULongLong(bool *ok) const
+{
+    return qNumVariantToHelper<qulonglong>(d, ULongLong, handler, ok, d.data.ull);
+}
+
+/*!
+    Returns the variant as a bool if the variant has type() Bool.
+
+    Returns true if the variant has type() \l Bool, \l Char, \l Double,
+    \l Int, \l LongLong, \l UInt, or \l ULongLong and the value is
+    non-zero, or if the variant has type \l String or \l ByteArray and
+    its lower-case content is not empty, "0" or "false"; otherwise
+    returns false.
+
+    \sa canConvert(), convert()
+*/
+bool QVariant::toBool() const
+{
+    if (d.type == Bool)
+        return d.data.b;
+
+    bool res = false;
+    handler->convert(&d, Bool, &res, 0);
+
+    return res;
+}
+
+/*!
+    Returns the variant as a double if the variant has type() \l
+    Double, \l Bool, \l ByteArray, \l Int, \l LongLong, \l String, \l
+    UInt, or \l ULongLong; otherwise returns 0.0.
+
+    If \a ok is non-null: \c{*}\a{ok} is set to true if the value could be
+    converted to a double; otherwise \c{*}\a{ok} is set to false.
+
+    \sa canConvert(), convert()
+*/
+double QVariant::toDouble(bool *ok) const
+{
+    return qNumVariantToHelper<double>(d, Double, handler, ok, d.data.d);
+}
+
+/*!
+    Returns the variant as a QVariantList if the variant has type()
+    \l List or \l StringList; otherwise returns an empty list.
+
+    \sa canConvert(), convert()
+*/
+QVariantList QVariant::toList() const
+{
+    return qVariantToHelper<QVariantList>(d, List, handler);
+}
+
+/*! \fn QVariant::canCast(Type t) const
+    Use canConvert() instead.
+*/
+
+/*! \fn QVariant::cast(Type t)
+    Use convert() instead.
+*/
+
+
+static const quint32 qCanConvertMatrix[QVariant::LastCoreType + 1] =
+{
+/*Invalid*/     0,
+
+/*Bool*/          1 << QVariant::Double     | 1 << QVariant::Int        | 1 << QVariant::UInt
+                | 1 << QVariant::LongLong   | 1 << QVariant::ULongLong  | 1 << QVariant::ByteArray
+                | 1 << QVariant::String     | 1 << QVariant::Char,
+
+/*Int*/           1 << QVariant::UInt       | 1 << QVariant::String     | 1 << QVariant::Double
+                | 1 << QVariant::Bool       | 1 << QVariant::LongLong   | 1 << QVariant::ULongLong
+                | 1 << QVariant::Char       | 1 << QVariant::ByteArray,
+
+/*UInt*/          1 << QVariant::Int        | 1 << QVariant::String     | 1 << QVariant::Double
+                | 1 << QVariant::Bool       | 1 << QVariant::LongLong   | 1 << QVariant::ULongLong
+                | 1 << QVariant::Char       | 1 << QVariant::ByteArray,
+
+/*LLong*/         1 << QVariant::Int        | 1 << QVariant::String     | 1 << QVariant::Double
+                | 1 << QVariant::Bool       | 1 << QVariant::UInt       | 1 << QVariant::ULongLong
+                | 1 << QVariant::Char       | 1 << QVariant::ByteArray,
+
+/*ULlong*/        1 << QVariant::Int        | 1 << QVariant::String     | 1 << QVariant::Double
+                | 1 << QVariant::Bool       | 1 << QVariant::UInt       | 1 << QVariant::LongLong
+                | 1 << QVariant::Char       | 1 << QVariant::ByteArray,
+
+/*double*/        1 << QVariant::Int        | 1 << QVariant::String     | 1 << QVariant::ULongLong
+                | 1 << QVariant::Bool       | 1 << QVariant::UInt       | 1 << QVariant::LongLong
+                | 1 << QVariant::ByteArray,
+
+/*QChar*/         1 << QVariant::Int        | 1 << QVariant::UInt       | 1 << QVariant::LongLong
+                | 1 << QVariant::ULongLong,
+
+/*QMap*/          0,
+
+/*QList*/         1 << QVariant::StringList,
+
+/*QString*/       1 << QVariant::StringList | 1 << QVariant::ByteArray  | 1 << QVariant::Int
+                | 1 << QVariant::UInt       | 1 << QVariant::Bool       | 1 << QVariant::Double
+                | 1 << QVariant::Date       | 1 << QVariant::Time       | 1 << QVariant::DateTime
+                | 1 << QVariant::LongLong   | 1 << QVariant::ULongLong  | 1 << QVariant::Char,
+
+/*QStringList*/   1 << QVariant::List       | 1 << QVariant::String,
+
+/*QByteArray*/    1 << QVariant::String     | 1 << QVariant::Int        | 1 << QVariant::UInt | 1 << QVariant::Bool
+                | 1 << QVariant::Double     | 1 << QVariant::LongLong   | 1 << QVariant::ULongLong,
+
+/*QBitArray*/     0,
+
+/*QDate*/         1 << QVariant::String     | 1 << QVariant::DateTime,
+
+/*QTime*/         1 << QVariant::String     | 1 << QVariant::DateTime,
+
+/*QDateTime*/     1 << QVariant::String     | 1 << QVariant::Date,
+
+/*QUrl*/          0,
+
+/*QLocale*/       0,
+
+/*QRect*/         1 << QVariant::RectF,
+
+/*QRectF*/        1 << QVariant::Rect,
+
+/*QSize*/         1 << QVariant::SizeF,
+
+/*QSizeF*/        1 << QVariant::Size,
+
+/*QLine*/         1 << QVariant::LineF,
+
+/*QLineF*/        1 << QVariant::Line,
+
+/*QPoint*/        1 << QVariant::PointF,
+
+/*QPointF*/       1 << QVariant::Point,
+
+/*QRegExp*/       0,
+
+/*QHash*/         0
+
+};
+
+/*!
+    Returns true if the variant's type can be cast to the requested
+    type, \a t. Such casting is done automatically when calling the
+    toInt(), toBool(), ... methods.
+
+    The following casts are done automatically:
+
+    \table
+    \header \o Type \o Automatically Cast To
+    \row \o \l Bool \o \l Char, \l Double, \l Int, \l LongLong, \l String, \l UInt, \l ULongLong
+    \row \o \l ByteArray \o \l Double, \l Int, \l LongLong, \l String, \l UInt, \l ULongLong
+    \row \o \l Char \o \l Bool, \l Int, \l UInt, \l LongLong, \l ULongLong
+    \row \o \l Color \o \l String
+    \row \o \l Date \o \l DateTime, \l String
+    \row \o \l DateTime \o \l Date, \l String, \l Time
+    \row \o \l Double \o \l Bool, \l Int, \l LongLong, \l String, \l UInt, \l ULongLong
+    \row \o \l Font \o \l String
+    \row \o \l Int \o \l Bool, \l Char, \l Double, \l LongLong, \l String, \l UInt, \l ULongLong
+    \row \o \l KeySequence \o \l Int, \l String
+    \row \o \l List \o \l StringList (if the list's items can be converted to strings)
+    \row \o \l LongLong \o \l Bool, \l ByteArray, \l Char, \l Double, \l Int, \l String, \l UInt, \l ULongLong
+    \row \o \l Point \o PointF
+    \row \o \l Rect \o RectF
+    \row \o \l String \o \l Bool, \l ByteArray, \l Char, \l Color, \l Date, \l DateTime, \l Double,
+                         \l Font, \l Int, \l KeySequence, \l LongLong, \l StringList, \l Time, \l UInt,
+                         \l ULongLong
+    \row \o \l StringList \o \l List, \l String (if the list contains exactly one item)
+    \row \o \l Time \o \l String
+    \row \o \l UInt \o \l Bool, \l Char, \l Double, \l Int, \l LongLong, \l String, \l ULongLong
+    \row \o \l ULongLong \o \l Bool, \l Char, \l Double, \l Int, \l LongLong, \l String, \l UInt
+    \endtable
+
+    \sa convert()
+*/
+bool QVariant::canConvert(Type t) const
+{
+    if (d.type == uint(t))
+        return true;
+
+    if (d.type > QVariant::LastCoreType || t > QVariant::LastCoreType) {
+        switch (uint(t)) {
+        case QVariant::Int:
+            return d.type == QVariant::KeySequence
+                   || d.type == QMetaType::ULong
+                   || d.type == QMetaType::Long
+                   || d.type == QMetaType::UShort
+                   || d.type == QMetaType::UChar
+                   || d.type == QMetaType::Char
+                   || d.type == QMetaType::Short;
+        case QVariant::Image:
+            return d.type == QVariant::Pixmap || d.type == QVariant::Bitmap;
+        case QVariant::Pixmap:
+            return d.type == QVariant::Image || d.type == QVariant::Bitmap
+                              || d.type == QVariant::Brush;
+        case QVariant::Bitmap:
+            return d.type == QVariant::Pixmap || d.type == QVariant::Image;
+        case QVariant::ByteArray:
+            return d.type == QVariant::Color;
+        case QVariant::String:
+            return d.type == QVariant::KeySequence || d.type == QVariant::Font
+                              || d.type == QVariant::Color;
+        case QVariant::KeySequence:
+            return d.type == QVariant::String || d.type == QVariant::Int;
+        case QVariant::Font:
+            return d.type == QVariant::String;
+        case QVariant::Color:
+            return d.type == QVariant::String || d.type == QVariant::ByteArray
+                              || d.type == QVariant::Brush;
+        case QVariant::Brush:
+            return d.type == QVariant::Color || d.type == QVariant::Pixmap;
+        case QMetaType::Long:
+        case QMetaType::Char:
+        case QMetaType::UChar:
+        case QMetaType::ULong:
+        case QMetaType::Short:
+        case QMetaType::UShort:
+        case QMetaType::Float:
+            return qCanConvertMatrix[QVariant::Int] & (1 << d.type) || d.type == QVariant::Int;
+        default:
+            return false;
+        }
+    }
+
+    if(t == String && d.type == StringList)
+        return v_cast<QStringList>(&d)->count() == 1;
+    else
+        return qCanConvertMatrix[t] & (1 << d.type);
+}
+
+/*!
+    Casts the variant to the requested type, \a t. If the cast cannot be
+    done, the variant is cleared. Returns true if the current type of
+    the variant was successfully cast; otherwise returns false.
+
+    \warning For historical reasons, converting a null QVariant results
+    in a null value of the desired type (e.g., an empty string for
+    QString) and a result of false.
+
+    \sa canConvert(), clear()
+*/
+
+bool QVariant::convert(Type t)
+{
+    if (d.type == uint(t))
+        return true;
+
+    QVariant oldValue = *this;
+
+    clear();
+    if (!oldValue.canConvert(t))
+        return false;
+
+    create(t, 0);
+    if (oldValue.isNull())
+        return false;
+
+    bool isOk = true;
+    if (!handler->convert(&oldValue.d, t, data(), &isOk))
+        isOk = false;
+    d.is_null = !isOk;
+    return isOk;
+}
+
+/*!
+    \fn bool operator==(const QVariant &v1, const QVariant &v2)
+
+    \relates QVariant
+
+    Returns true if \a v1 and \a v2 are equal; otherwise returns false.
+
+    \warning This function doesn't support custom types registered
+    with qRegisterMetaType().
+*/
+/*!
+    \fn bool operator!=(const QVariant &v1, const QVariant &v2)
+
+    \relates QVariant
+
+    Returns false if \a v1 and \a v2 are equal; otherwise returns true.
+
+    \warning This function doesn't support custom types registered
+    with qRegisterMetaType().
+*/
+
+/*! \fn bool QVariant::operator==(const QVariant &v) const
+
+    Compares this QVariant with \a v and returns true if they are
+    equal; otherwise returns false.
+
+    In the case of custom types, their equalness operators are not called.
+    Instead the values' addresses are compared.
+*/
+
+/*!
+    \fn bool QVariant::operator!=(const QVariant &v) const
+
+    Compares this QVariant with \a v and returns true if they are not
+    equal; otherwise returns false.
+
+    \warning This function doesn't support custom types registered
+    with qRegisterMetaType().
+*/
+
+static bool qIsNumericType(uint tp)
+{
+    return (tp >= QVariant::Bool && tp <= QVariant::Double)
+           || (tp >= QMetaType::Long && tp <= QMetaType::Float);
+}
+
+static bool qIsFloatingPoint(uint tp)
+{
+    return tp == QVariant::Double || tp == QMetaType::Float;
+}
+
+/*! \internal
+ */
+bool QVariant::cmp(const QVariant &v) const
+{
+    QVariant v2 = v;
+    if (d.type != v2.d.type) {
+        if (qIsNumericType(d.type) && qIsNumericType(v.d.type)) {
+            if (qIsFloatingPoint(d.type) || qIsFloatingPoint(v.d.type))
+                return qFuzzyCompare(toDouble(), v.toDouble());
+            else
+                return toLongLong() == v.toLongLong();
+        }
+        if (!v2.canConvert(Type(d.type)) || !v2.convert(Type(d.type)))
+            return false;
+    }
+    return handler->compare(&d, &v2.d);
+}
+
+/*! \internal
+ */
+
+const void *QVariant::constData() const
+{
+    return constDataHelper(d);
+}
+
+/*!
+    \fn const void* QVariant::data() const
+
+    \internal
+*/
+
+/*! \internal */
+void* QVariant::data()
+{
+    detach();
+    return const_cast<void *>(constDataHelper(d));
+}
+
+
+#ifdef QT3_SUPPORT
+/*! \internal
+ */
+void *QVariant::castOrDetach(Type t)
+{
+    if (d.type != uint(t)) {
+        if (!convert(t))
+            create(t, 0);
+    } else {
+        detach();
+    }
+    return data();
+}
+#endif
+
+/*!
+  Returns true if this is a NULL variant, false otherwise.
+*/
+bool QVariant::isNull() const
+{
+    return handler->isNull(&d);
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QVariant &v)
+{
+#ifndef Q_BROKEN_DEBUG_STREAM
+    dbg.nospace() << "QVariant(" << v.typeName() << ", ";
+    QVariant::handler->debugStream(dbg, v);
+    dbg.nospace() << ')';
+    return dbg.space();
+#else
+    qWarning("This compiler doesn't support streaming QVariant to QDebug");
+    return dbg;
+    Q_UNUSED(v);
+#endif
+}
+
+QDebug operator<<(QDebug dbg, const QVariant::Type p)
+{
+#ifndef Q_BROKEN_DEBUG_STREAM
+    dbg.nospace() << "QVariant::" << QVariant::typeToName(p);
+    return dbg.space();
+#else
+    qWarning("This compiler doesn't support streaming QVariant::Type to QDebug");
+    return dbg;
+    Q_UNUSED(p);
+#endif
+}
+#endif
+
+/*!
+    \fn int &QVariant::asInt()
+
+    Use toInt() instead.
+*/
+
+/*!
+    \fn uint &QVariant::asUInt()
+
+    Use toUInt() instead.
+*/
+
+/*!
+    \fn qlonglong &QVariant::asLongLong()
+
+    Use toLongLong() instead.
+*/
+
+/*!
+    \fn qulonglong &QVariant::asULongLong()
+
+    Use toULongLong() instead.
+*/
+
+/*!
+    \fn bool &QVariant::asBool()
+
+    Use toBool() instead.
+*/
+
+/*!
+    \fn double &QVariant::asDouble()
+
+    Use toDouble() instead.
+*/
+
+/*!
+    \fn QByteArray &QVariant::asByteArray()
+
+    Use toByteArray() instead.
+*/
+
+/*!
+    \fn QBitArray &QVariant::asBitArray()
+
+    Use toBitArray() instead.
+*/
+
+/*!
+    \fn QString &QVariant::asString()
+
+    Use toString() instead.
+*/
+
+/*!
+    \fn QStringList &QVariant::asStringList()
+
+    Use toStringList() instead.
+*/
+
+/*!
+    \fn QDate &QVariant::asDate()
+
+    Use toDate() instead.
+*/
+
+/*!
+    \fn QTime &QVariant::asTime()
+
+    Use toTime() instead.
+*/
+
+/*!
+    \fn QDateTime &QVariant::asDateTime()
+
+    Use toDateTime() instead.
+*/
+
+/*!
+    \fn QList<QVariant> &QVariant::asList()
+
+    Use toList() instead.
+*/
+
+/*!
+    \fn QMap<QString, QVariant> &QVariant::asMap()
+
+    Use toMap() instead.
+*/
+
+/*!
+    \fn QVariant::QVariant(bool b, int dummy)
+
+    Use the QVariant(bool) constructor instead.
+
+*/
+
+/*!
+    \fn const QByteArray QVariant::toCString() const
+
+    Use toByteArray() instead.
+*/
+
+/*!
+    \fn QByteArray &QVariant::asCString()
+
+    Use toByteArray() instead.
+*/
+
+/*!
+    \fn QPoint &QVariant::asPoint()
+
+    Use toPoint() instead.
+ */
+
+/*!
+    \fn QRect &QVariant::asRect()
+
+    Use toRect() instead.
+ */
+
+/*!
+    \fn QSize &QVariant::asSize()
+
+    Use toSize() instead.
+ */
+
+/*! \fn void QVariant::setValue(const T &value)
+
+    Stores a copy of \a value. If \c{T} is a type that QVariant
+    doesn't support, QMetaType is used to store the value. A compile
+    error will occur if QMetaType doesn't handle the type.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 4
+
+    \warning This function is not available with MSVC 6. Use
+    qVariantSetValue() instead if you need to support that version of
+    the compiler.
+
+    \sa value(), fromValue(), canConvert()
+ */
+
+/*! \fn T QVariant::value() const
+
+    Returns the stored value converted to the template type \c{T}.
+    Call canConvert() to find out whether a type can be converted.
+    If the value cannot be converted, \l{default-constructed value}
+    will be returned.
+
+    If the type \c{T} is supported by QVariant, this function behaves
+    exactly as toString(), toInt() etc.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 5
+
+    \warning This function is not available with MSVC 6. Use
+    qVariantValue() or qvariant_cast() instead if you need to support
+    that version of the compiler.
+
+    \sa setValue(), fromValue(), canConvert()
+*/
+
+/*! \fn bool QVariant::canConvert() const
+
+    Returns true if the variant can be converted to the template type \c{T},
+    otherwise false.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 6
+
+    \warning This function is not available with MSVC 6. Use
+    qVariantCanConvert() instead if you need to support that version
+    of the compiler.
+
+    \sa convert()
+*/
+
+/*! \fn static QVariant QVariant::fromValue(const T &value)
+
+    Returns a QVariant containing a copy of \a value. Behaves
+    exactly like setValue() otherwise.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 7
+
+    \note If you are working with custom types, you should use
+    the Q_DECLARE_METATYPE() macro to register your custom type.
+
+    \warning This function is not available with MSVC 6. Use
+    qVariantFromValue() instead if you need to support that version
+    of the compiler.
+
+    \sa setValue(), value()
+*/
+
+/*!
+    \fn QVariant qVariantFromValue(const T &value)
+    \relates QVariant
+
+    Returns a variant containing a copy of the given \a value
+    with template type \c{T}.
+
+    This function is equivalent to QVariant::fromValue(\a value). It
+    is provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+
+    For example, a QObject pointer can be stored in a variant with the
+    following code:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 8
+
+    \sa QVariant::fromValue()
+*/
+
+/*! \fn void qVariantSetValue(QVariant &variant, const T &value)
+    \relates QVariant
+
+    Sets the contents of the given \a variant to a copy of the
+    \a value with the specified template type \c{T}.
+
+    This function is equivalent to QVariant::setValue(\a value). It
+    is provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+
+    \sa QVariant::setValue()
+*/
+
+/*!
+    \fn T qvariant_cast(const QVariant &value)
+    \relates QVariant
+
+    Returns the given \a value converted to the template type \c{T}.
+
+    This function is equivalent to qVariantValue().
+
+    \sa qVariantValue(), QVariant::value()
+*/
+
+/*! \fn T qVariantValue(const QVariant &value)
+    \relates QVariant
+
+    Returns the given \a value converted to the template type \c{T}.
+
+    This function is equivalent to
+    \l{QVariant::value()}{QVariant::value}<T>(\a value). It is
+    provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+
+    \sa QVariant::value(), qvariant_cast()
+*/
+
+/*! \fn bool qVariantCanConvert(const QVariant &value)
+    \relates QVariant
+
+    Returns true if the given \a value can be converted to the
+    template type specified; otherwise returns false.
+
+    This function is equivalent to QVariant::canConvert(\a value). It
+    is provided as a work-around for MSVC 6, which doesn't support
+    member template functions.
+
+    \sa QVariant::canConvert()
+*/
+
+/*!
+    \typedef QVariantList
+    \relates QVariant
+
+    Synonym for QList<QVariant>.
+*/
+
+/*!
+    \typedef QVariantMap
+    \relates QVariant
+
+    Synonym for QMap<QString, QVariant>.
+*/
+
+/*!
+    \typedef QVariantHash
+    \relates QVariant
+    \since 4.5
+
+    Synonym for QHash<QString, QVariant>.
+*/
+
+/*!
+    \typedef QVariant::DataPtr
+    \internal
+*/
+
+/*!
+    \fn DataPtr &QVariant::data_ptr()
+    \internal
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qvariant.h b/src/corelib/kernel/qvariant.h
new file mode 100644
index 0000000000..d7b7e3c0b1
--- /dev/null
+++ b/src/corelib/kernel/qvariant.h
@@ -0,0 +1,605 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QVARIANT_H
+#define QVARIANT_H
+
+#include <QtCore/qatomic.h>
+#include <QtCore/qbytearray.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qmetatype.h>
+#include <QtCore/qmap.h>
+#include <QtCore/qhash.h>
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QBitArray;
+class QDataStream;
+class QDate;
+class QDateTime;
+class QLine;
+class QLineF;
+class QLocale;
+class QMatrix;
+class QTransform;
+class QStringList;
+class QTime;
+class QPoint;
+class QPointF;
+class QSize;
+class QSizeF;
+class QRect;
+class QRectF;
+#ifndef QT_NO_REGEXP
+class QRegExp;
+#endif
+class QTextFormat;
+class QTextLength;
+class QUrl;
+class QVariant;
+class QVariantComparisonHelper;
+
+#ifndef QT_NO_MEMBER_TEMPLATES
+template <typename T>
+inline QVariant qVariantFromValue(const T &);
+
+template <typename T>
+inline void qVariantSetValue(QVariant &, const T &);
+
+template<typename T>
+inline T qVariantValue(const QVariant &);
+
+template<typename T>
+inline bool qVariantCanConvert(const QVariant &);
+#endif
+
+class Q_CORE_EXPORT QVariant
+{
+ public:
+    enum Type {
+        Invalid = 0,
+
+        Bool = 1,
+        Int = 2,
+        UInt = 3,
+        LongLong = 4,
+        ULongLong = 5,
+        Double = 6,
+        Char = 7,
+        Map = 8,
+        List = 9,
+        String = 10,
+        StringList = 11,
+        ByteArray = 12,
+        BitArray = 13,
+        Date = 14,
+        Time = 15,
+        DateTime = 16,
+        Url = 17,
+        Locale = 18,
+        Rect = 19,
+        RectF = 20,
+        Size = 21,
+        SizeF = 22,
+        Line = 23,
+        LineF = 24,
+        Point = 25,
+        PointF = 26,
+	RegExp = 27,
+        Hash = 28,
+        LastCoreType = Hash,
+
+        // value 62 is internally reserved
+#ifdef QT3_SUPPORT
+        ColorGroup = 63,
+#endif
+        Font = 64,
+        Pixmap = 65,
+        Brush = 66,
+        Color = 67,
+        Palette = 68,
+        Icon = 69,
+        Image = 70,
+        Polygon = 71,
+        Region = 72,
+        Bitmap = 73,
+        Cursor = 74,
+        SizePolicy = 75,
+        KeySequence = 76,
+        Pen = 77,
+        TextLength = 78,
+        TextFormat = 79,
+        Matrix = 80,
+        Transform = 81,
+        LastGuiType = Transform,
+
+        UserType = 127,
+#ifdef QT3_SUPPORT
+        IconSet = Icon,
+        CString = ByteArray,
+        PointArray = Polygon,
+#endif
+        LastType = 0xffffffff // need this so that gcc >= 3.4 allocates 32 bits for Type
+    };
+
+    inline QVariant();
+    ~QVariant();
+    QVariant(Type type);
+    QVariant(int typeOrUserType, const void *copy);
+    QVariant(const QVariant &other);
+
+#ifndef QT_NO_DATASTREAM
+    QVariant(QDataStream &s);
+#endif
+
+    QVariant(int i);
+    QVariant(uint ui);
+    QVariant(qlonglong ll);
+    QVariant(qulonglong ull);
+    QVariant(bool b);
+    QVariant(double d);
+#ifndef QT_NO_CAST_FROM_ASCII
+    QT_ASCII_CAST_WARN_CONSTRUCTOR QVariant(const char *str);
+#endif
+
+    QVariant(const QByteArray &bytearray);
+    QVariant(const QBitArray &bitarray);
+    QVariant(const QString &string);
+    QVariant(const QLatin1String &string);
+    QVariant(const QStringList &stringlist);
+    QVariant(const QChar &qchar);
+    QVariant(const QDate &date);
+    QVariant(const QTime &time);
+    QVariant(const QDateTime &datetime);
+    QVariant(const QList<QVariant> &list);
+    QVariant(const QMap<QString,QVariant> &map);
+    QVariant(const QHash<QString,QVariant> &hash);
+#ifndef QT_NO_GEOM_VARIANT
+    QVariant(const QSize &size);
+    QVariant(const QSizeF &size);
+    QVariant(const QPoint &pt);
+    QVariant(const QPointF &pt);
+    QVariant(const QLine &line);
+    QVariant(const QLineF &line);
+    QVariant(const QRect &rect);
+    QVariant(const QRectF &rect);
+#endif
+    QVariant(const QUrl &url);
+    QVariant(const QLocale &locale);
+#ifndef QT_NO_REGEXP
+    QVariant(const QRegExp &regExp);
+#endif
+    QVariant(Qt::GlobalColor color);
+
+    QVariant& operator=(const QVariant &other);
+
+    Type type() const;
+    int userType() const;
+    const char *typeName() const;
+
+    bool canConvert(Type t) const;
+    bool convert(Type t);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT bool canCast(Type t) const
+    { return canConvert(t); }
+    inline QT3_SUPPORT bool cast(Type t)
+    { return convert(t); }
+#endif
+
+    inline bool isValid() const;
+    bool isNull() const;
+
+    void clear();
+
+    void detach();
+    inline bool isDetached() const;
+
+    int toInt(bool *ok = 0) const;
+    uint toUInt(bool *ok = 0) const;
+    qlonglong toLongLong(bool *ok = 0) const;
+    qulonglong toULongLong(bool *ok = 0) const;
+    bool toBool() const;
+    double toDouble(bool *ok = 0) const;
+    QByteArray toByteArray() const;
+    QBitArray toBitArray() const;
+    QString toString() const;
+    QStringList toStringList() const;
+    QChar toChar() const;
+    QDate toDate() const;
+    QTime toTime() const;
+    QDateTime toDateTime() const;
+    QList<QVariant> toList() const;
+    QMap<QString, QVariant> toMap() const;
+    QHash<QString, QVariant> toHash() const;
+
+#ifndef QT_NO_GEOM_VARIANT
+    QPoint toPoint() const;
+    QPointF toPointF() const;
+    QRect toRect() const;
+    QSize toSize() const;
+    QSizeF toSizeF() const;
+    QLine toLine() const;
+    QLineF toLineF() const;
+    QRectF toRectF() const;
+#endif
+    QUrl toUrl() const;
+    QLocale toLocale() const;
+#ifndef QT_NO_REGEXP
+    QRegExp toRegExp() const;
+#endif
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT int &asInt();
+    inline QT3_SUPPORT uint &asUInt();
+    inline QT3_SUPPORT qlonglong &asLongLong();
+    inline QT3_SUPPORT qulonglong &asULongLong();
+    inline QT3_SUPPORT bool &asBool();
+    inline QT3_SUPPORT double &asDouble();
+    inline QT3_SUPPORT QByteArray &asByteArray();
+    inline QT3_SUPPORT QBitArray &asBitArray();
+    inline QT3_SUPPORT QString &asString();
+    inline QT3_SUPPORT QStringList &asStringList();
+    inline QT3_SUPPORT QDate &asDate();
+    inline QT3_SUPPORT QTime &asTime();
+    inline QT3_SUPPORT QDateTime &asDateTime();
+    inline QT3_SUPPORT QList<QVariant> &asList();
+    inline QT3_SUPPORT QMap<QString,QVariant> &asMap();
+    inline QT3_SUPPORT QPoint &asPoint();
+    inline QT3_SUPPORT QRect &asRect();
+    inline QT3_SUPPORT QSize &asSize();
+#endif //QT3_SUPPORT
+
+#ifndef QT_NO_DATASTREAM
+    void load(QDataStream &ds);
+    void save(QDataStream &ds) const;
+#endif
+    static const char *typeToName(Type type);
+    static Type nameToType(const char *name);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT_CONSTRUCTOR QVariant(bool val, int) { create(Bool, &val); }
+    inline QT3_SUPPORT const QByteArray toCString() const { return toByteArray(); }
+    inline QT3_SUPPORT QByteArray &asCString() { return *reinterpret_cast<QByteArray *>(castOrDetach(ByteArray)); }
+#endif
+
+    void *data();
+    const void *constData() const;
+    inline const void *data() const { return constData(); }
+
+#ifndef QT_NO_MEMBER_TEMPLATES
+    template<typename T>
+    inline void setValue(const T &value);
+
+    template<typename T>
+    inline T value() const
+    { return qVariantValue<T>(*this); }
+
+    template<typename T>
+    static inline QVariant fromValue(const T &value)
+    { return qVariantFromValue(value); }
+
+    template<typename T>
+    bool canConvert() const
+    { return qVariantCanConvert<T>(*this); }
+#endif
+
+ public:
+#ifndef qdoc
+    struct PrivateShared
+    {
+        inline PrivateShared(void *v) : ptr(v), ref(1) { }
+        void *ptr;
+        QAtomicInt ref;
+    };
+    struct Private
+    {
+        inline Private(): type(Invalid), is_shared(false), is_null(true) { data.ptr = 0; }
+        inline Private(const Private &other)
+            : data(other.data), type(other.type),
+              is_shared(other.is_shared), is_null(other.is_null)
+        {}
+        union Data
+        {
+            char c;
+            int i;
+            uint u;
+            bool b;
+            double d;
+            qlonglong ll;
+            qulonglong ull;
+            void *ptr;
+            PrivateShared *shared;
+        } data;
+        uint type : 30;
+        uint is_shared : 1;
+        uint is_null : 1;
+    };
+ public:
+    typedef void (*f_construct)(Private *, const void *);
+    typedef void (*f_clear)(Private *);
+    typedef bool (*f_null)(const Private *);
+#ifndef QT_NO_DATASTREAM
+    typedef void (*f_load)(Private *, QDataStream &);
+    typedef void (*f_save)(const Private *, QDataStream &);
+#endif
+    typedef bool (*f_compare)(const Private *, const Private *);
+    typedef bool (*f_convert)(const QVariant::Private *d, Type t, void *, bool *);
+    typedef bool (*f_canConvert)(const QVariant::Private *d, Type t);
+    typedef void (*f_debugStream)(QDebug, const QVariant &);
+    struct Handler {
+        f_construct construct;
+        f_clear clear;
+        f_null isNull;
+#ifndef QT_NO_DATASTREAM
+        f_load load;
+        f_save save;
+#endif
+        f_compare compare;
+        f_convert convert;
+        f_canConvert canConvert;
+        f_debugStream debugStream;
+    };
+#endif
+
+    inline bool operator==(const QVariant &v) const
+    { return cmp(v); }
+    inline bool operator!=(const QVariant &v) const
+    { return !cmp(v); }
+
+protected:
+    friend inline bool qvariant_cast_helper(const QVariant &, QVariant::Type, void *);
+    friend int qRegisterGuiVariant();
+    friend int qUnregisterGuiVariant();
+    friend inline bool operator==(const QVariant &, const QVariantComparisonHelper &);
+#ifndef QT_NO_DEBUG_STREAM
+    friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QVariant &);
+#endif
+    Private d;
+
+    static const Handler *handler;
+
+    void create(int type, const void *copy);
+#ifdef QT3_SUPPORT
+    void *castOrDetach(Type t);
+#endif
+    bool cmp(const QVariant &other) const;
+
+private:
+    // force compile error, prevent QVariant(bool) to be called
+    inline QVariant(void *) { Q_ASSERT(false); }
+#ifdef QT_NO_CAST_FROM_ASCII
+    // force compile error when implicit conversion is not wanted
+    inline QVariant(const char *) { Q_ASSERT(false); }
+#endif
+#ifndef QT3_SUPPORT
+    // force compile error, prevent QVariant(QVariant::Type, int) to be called
+    inline QVariant(bool, int) { Q_ASSERT(false); }
+#endif
+public:
+    typedef Private DataPtr;
+    inline DataPtr &data_ptr() { return d; }
+};
+
+typedef QList<QVariant> QVariantList;
+typedef QMap<QString, QVariant> QVariantMap;
+typedef QHash<QString, QVariant> QVariantHash;
+
+inline bool qvariant_cast_helper(const QVariant &v, QVariant::Type tp, void *ptr)
+{ return QVariant::handler->convert(&v.d, tp, ptr, 0); }
+
+template <typename T>
+inline QVariant qVariantFromValue(const T &t)
+{
+    return QVariant(qMetaTypeId<T>(reinterpret_cast<T *>(0)), &t);
+}
+
+template <>
+inline QVariant qVariantFromValue(const QVariant &t) { return t; }
+
+template <typename T>
+inline void qVariantSetValue(QVariant &v, const T &t)
+{
+    v = QVariant(qMetaTypeId<T>(reinterpret_cast<T *>(0)), &t);
+}
+
+inline QVariant::QVariant() {}
+inline bool QVariant::isValid() const { return d.type != Invalid; }
+
+#ifdef QT3_SUPPORT
+inline int &QVariant::asInt()
+{ return *reinterpret_cast<int *>(castOrDetach(Int)); }
+inline uint &QVariant::asUInt()
+{ return *reinterpret_cast<uint *>(castOrDetach(UInt)); }
+inline qlonglong &QVariant::asLongLong()
+{ return *reinterpret_cast<qlonglong *>(castOrDetach(LongLong)); }
+inline qulonglong &QVariant::asULongLong()
+{ return *reinterpret_cast<qulonglong *>(castOrDetach(ULongLong)); }
+inline bool &QVariant::asBool()
+{ return *reinterpret_cast<bool *>(castOrDetach(Bool)); }
+inline double &QVariant::asDouble()
+{ return *reinterpret_cast<double *>(castOrDetach(Double)); }
+inline QByteArray& QVariant::asByteArray()
+{ return *reinterpret_cast<QByteArray *>(castOrDetach(ByteArray)); }
+inline QBitArray& QVariant::asBitArray()
+{ return *reinterpret_cast<QBitArray *>(castOrDetach(BitArray)); }
+inline QString& QVariant::asString()
+{ return *reinterpret_cast<QString *>(castOrDetach(String)); }
+inline QStringList& QVariant::asStringList()
+{ return *reinterpret_cast<QStringList *>(castOrDetach(StringList)); }
+inline QDate& QVariant::asDate()
+{ return *reinterpret_cast<QDate *>(castOrDetach(Date)); }
+inline QTime& QVariant::asTime()
+{ return *reinterpret_cast<QTime *>(castOrDetach(Time)); }
+inline QDateTime& QVariant::asDateTime()
+{ return *reinterpret_cast<QDateTime *>(castOrDetach(DateTime)); }
+inline QList<QVariant>& QVariant::asList()
+{ return *reinterpret_cast<QList<QVariant> *>(castOrDetach(List)); }
+inline QMap<QString, QVariant>& QVariant::asMap()
+{ return *reinterpret_cast<QMap<QString, QVariant> *>(castOrDetach(Map)); }
+inline QPoint &QVariant::asPoint()
+{ return *reinterpret_cast<QPoint *>(castOrDetach(Point)); }
+inline QRect &QVariant::asRect()
+{ return *reinterpret_cast<QRect *>(castOrDetach(Rect)); }
+inline QSize &QVariant::asSize()
+{ return *reinterpret_cast<QSize *>(castOrDetach(Size)); }
+#endif //QT3_SUPPORT
+
+#ifndef QT_NO_MEMBER_TEMPLATES
+template<typename T>
+inline void QVariant::setValue(const T &avalue)
+{ qVariantSetValue(*this, avalue); }
+#endif
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream& operator>> (QDataStream& s, QVariant& p);
+Q_CORE_EXPORT QDataStream& operator<< (QDataStream& s, const QVariant& p);
+Q_CORE_EXPORT QDataStream& operator>> (QDataStream& s, QVariant::Type& p);
+Q_CORE_EXPORT QDataStream& operator<< (QDataStream& s, const QVariant::Type p);
+#endif
+
+inline bool QVariant::isDetached() const
+{ return !d.is_shared || d.data.shared->ref == 1; }
+
+
+#ifdef qdoc
+    inline bool operator==(const QVariant &v1, const QVariant &v2);
+    inline bool operator!=(const QVariant &v1, const QVariant &v2);
+#else
+
+/* Helper class to add one more level of indirection to prevent
+   implicit casts.
+*/
+class QVariantComparisonHelper
+{
+public:
+    inline QVariantComparisonHelper(const QVariant &var)
+        : v(&var) {}
+private:
+    friend inline bool operator==(const QVariant &, const QVariantComparisonHelper &);
+    const QVariant *v;
+};
+
+inline bool operator==(const QVariant &v1, const QVariantComparisonHelper &v2)
+{
+    return v1.cmp(*v2.v);
+}
+
+inline bool operator!=(const QVariant &v1, const QVariantComparisonHelper &v2)
+{
+    return !operator==(v1, v2);
+}
+#endif
+
+#ifndef QT_MOC
+#if !defined qdoc && defined Q_CC_MSVC && _MSC_VER < 1300
+
+template<typename T> T qvariant_cast(const QVariant &v, T * = 0)
+{
+    const int vid = qMetaTypeId<T>(static_cast<T *>(0));
+    if (vid == v.userType())
+        return *reinterpret_cast<const T *>(v.constData());
+    if (vid < int(QMetaType::User)) {
+        T t;
+        if (qvariant_cast_helper(v, QVariant::Type(vid), &t))
+            return t;
+    }
+    return T();
+}
+
+template<typename T>
+inline T qVariantValue(const QVariant &variant, T *t = 0)
+{ return qvariant_cast<T>(variant, t); }
+
+template<typename T>
+inline bool qVariantCanConvert(const QVariant &variant, T *t = 0)
+{
+    return variant.canConvert(static_cast<QVariant::Type>(qMetaTypeId<T>(t)));
+}
+#else
+
+template<typename T> T qvariant_cast(const QVariant &v)
+{
+    const int vid = qMetaTypeId<T>(static_cast<T *>(0));
+    if (vid == v.userType())
+        return *reinterpret_cast<const T *>(v.constData());
+    if (vid < int(QMetaType::User)) {
+        T t;
+        if (qvariant_cast_helper(v, QVariant::Type(vid), &t))
+            return t;
+    }
+    return T();
+}
+
+template<typename T>
+inline T qVariantValue(const QVariant &variant)
+{ return qvariant_cast<T>(variant); }
+
+template<typename T>
+inline bool qVariantCanConvert(const QVariant &variant)
+{
+    return variant.canConvert(static_cast<QVariant::Type>(
+                qMetaTypeId<T>(static_cast<T *>(0))));
+}
+#endif
+#endif
+Q_DECLARE_SHARED(QVariant)
+Q_DECLARE_TYPEINFO(QVariant, Q_MOVABLE_TYPE);
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QVariant &);
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QVariant::Type);
+#endif
+
+QT_END_NAMESPACE
+
+Q_DECLARE_BUILTIN_METATYPE(QVariantList, QVariantList)
+Q_DECLARE_BUILTIN_METATYPE(QVariantMap, QVariantMap)
+Q_DECLARE_BUILTIN_METATYPE(QVariantHash, QVariantHash)
+
+QT_END_HEADER
+
+#endif // QVARIANT_H
diff --git a/src/corelib/kernel/qvariant_p.h b/src/corelib/kernel/qvariant_p.h
new file mode 100644
index 0000000000..727a390f2b
--- /dev/null
+++ b/src/corelib/kernel/qvariant_p.h
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QVARIANT_P_H
+#define QVARIANT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+// takes a type, returns the internal void* pointer cast
+// to a pointer of the input type
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifdef Q_CC_SUN // Sun CC picks the wrong overload, so introduce awful hack
+
+template <typename T>
+inline T *v_cast(const QVariant::Private *nd, T * = 0)
+{
+    QVariant::Private *d = const_cast<QVariant::Private *>(nd);
+    return ((sizeof(T) > sizeof(QVariant::Private::Data))
+            ? static_cast<T *>(d->data.shared->ptr)
+            : static_cast<T *>(static_cast<void *>(&d->data.c)));
+}
+
+#else // every other compiler in this world
+
+template <typename T>
+inline const T *v_cast(const QVariant::Private *d, T * = 0)
+{
+    return ((sizeof(T) > sizeof(QVariant::Private::Data))
+            ? static_cast<const T *>(d->data.shared->ptr)
+            : static_cast<const T *>(static_cast<const void *>(&d->data.c)));
+}
+
+template <typename T>
+inline T *v_cast(QVariant::Private *d, T * = 0)
+{
+    return ((sizeof(T) > sizeof(QVariant::Private::Data))
+            ? static_cast<T *>(d->data.shared->ptr)
+            : static_cast<T *>(static_cast<void *>(&d->data.c)));
+}
+
+#endif
+
+// constructs a new variant if copy is 0, otherwise copy-constructs
+template <class T>
+inline void v_construct(QVariant::Private *x, const void *copy, T * = 0)
+{
+    if (sizeof(T) > sizeof(QVariant::Private::Data)) {
+        x->data.shared = copy ? new QVariant::PrivateShared(new T(*static_cast<const T *>(copy)))
+                              : new QVariant::PrivateShared(new T);
+        x->is_shared = true;
+    } else {
+        if (copy)
+            new (&x->data.ptr) T(*static_cast<const T *>(copy));
+        else
+            new (&x->data.ptr) T;
+    }
+}
+
+// deletes the internal structures
+template <class T>
+inline void v_clear(QVariant::Private *d, T* = 0)
+{
+    if (sizeof(T) > sizeof(QVariant::Private::Data)) {
+        delete v_cast<T>(d);
+        delete d->data.shared;
+    } else {
+        v_cast<T>(d)->~T();
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // QVARIANT_P_H
diff --git a/src/corelib/kernel/qwineventnotifier_p.cpp b/src/corelib/kernel/qwineventnotifier_p.cpp
new file mode 100644
index 0000000000..dfbae7a65c
--- /dev/null
+++ b/src/corelib/kernel/qwineventnotifier_p.cpp
@@ -0,0 +1,136 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwineventnotifier_p.h"
+
+#include "qeventdispatcher_win_p.h"
+#include "qcoreapplication.h"
+
+#include <private/qthread_p.h>
+
+QT_BEGIN_NAMESPACE
+
+/*
+    \class QWinEventNotifier
+    \brief The QWinEventNotifier class provides support for the Windows Wait functions.
+
+    \ingroup io
+
+    The QWinEventNotifier class makes it possible to use the wait
+    functions on windows in a asynchronous manner. With this class
+    you can register a HANDLE to an event and get notification when
+    that event becomes signalled. The state of the event is not modified
+    in the process so if it is a manual reset event you will need to
+    reset it after the notification.
+*/
+
+
+QWinEventNotifier::QWinEventNotifier(QObject *parent)
+  : QObject(parent), handleToEvent(0), enabled(false)
+{}
+
+QWinEventNotifier::QWinEventNotifier(HANDLE hEvent, QObject *parent)
+ : QObject(parent), handleToEvent(hEvent), enabled(false)
+{
+    Q_D(QObject);
+    QEventDispatcherWin32 *eventDispatcher = qobject_cast<QEventDispatcherWin32 *>(d->threadData->eventDispatcher);
+    Q_ASSERT_X(eventDispatcher, "QWinEventNotifier::QWinEventNotifier()",
+               "Cannot create a win event notifier without a QEventDispatcherWin32");
+    eventDispatcher->registerEventNotifier(this);
+    enabled = true;
+}
+
+QWinEventNotifier::~QWinEventNotifier()
+{
+    setEnabled(false);
+}
+
+void QWinEventNotifier::setHandle(HANDLE hEvent)
+{
+    setEnabled(false);
+    handleToEvent = hEvent;
+}
+
+HANDLE  QWinEventNotifier::handle() const
+{
+    return handleToEvent;
+}
+
+bool QWinEventNotifier::isEnabled() const
+{
+    return enabled;
+}
+
+void QWinEventNotifier::setEnabled(bool enable)
+{
+    if (enabled == enable)                        // no change
+        return;
+    enabled = enable;
+
+    Q_D(QObject);
+    QEventDispatcherWin32 *eventDispatcher = qobject_cast<QEventDispatcherWin32 *>(d->threadData->eventDispatcher);
+    if (!eventDispatcher) // perhaps application is shutting down
+        return;
+
+    if (enabled)
+        eventDispatcher->registerEventNotifier(this);
+    else
+        eventDispatcher->unregisterEventNotifier(this);
+}
+
+bool QWinEventNotifier::event(QEvent * e)
+{
+    if (e->type() == QEvent::ThreadChange) {
+        if (enabled) {
+            QMetaObject::invokeMethod(this, "setEnabled", Qt::QueuedConnection,
+                                      Q_ARG(bool, enabled));
+            setEnabled(false);
+        }
+    }
+    QObject::event(e);                        // will activate filters
+    if (e->type() == QEvent::WinEventAct) {
+        emit activated(handleToEvent);
+        return true;
+    }
+    return false;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qwineventnotifier_p.h b/src/corelib/kernel/qwineventnotifier_p.h
new file mode 100644
index 0000000000..458c71c70e
--- /dev/null
+++ b/src/corelib/kernel/qwineventnotifier_p.h
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINEVENTNOTIFIER_P_H
+#define QWINEVENTNOTIFIER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qobject.h"
+#include "QtCore/qt_windows.h"
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QWinEventNotifier : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QObject)
+
+public:
+    explicit QWinEventNotifier(QObject *parent = 0);
+    explicit QWinEventNotifier(HANDLE hEvent, QObject *parent = 0);
+    ~QWinEventNotifier();
+
+    void setHandle(HANDLE hEvent);
+    HANDLE handle() const;
+
+    bool isEnabled() const;
+
+public Q_SLOTS:
+    void setEnabled(bool enable);
+
+Q_SIGNALS:
+    void activated(HANDLE hEvent);
+
+protected:
+    bool event(QEvent * e);
+
+private:
+    Q_DISABLE_COPY(QWinEventNotifier)
+
+    HANDLE handleToEvent;
+    bool enabled;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWINEVENTNOTIFIER_P_H
diff --git a/src/corelib/plugin/plugin.pri b/src/corelib/plugin/plugin.pri
new file mode 100644
index 0000000000..aaecec9de6
--- /dev/null
+++ b/src/corelib/plugin/plugin.pri
@@ -0,0 +1,24 @@
+# Qt core library plugin module
+
+HEADERS += \
+	plugin/qfactoryinterface.h \
+	plugin/qpluginloader.h \
+	plugin/qlibrary.h \
+	plugin/qlibrary_p.h \
+	plugin/qplugin.h \
+	plugin/quuid.h \
+	plugin/qfactoryloader_p.h 
+
+SOURCES += \
+	plugin/qpluginloader.cpp \
+	plugin/qfactoryloader.cpp \
+	plugin/quuid.cpp \
+	plugin/qlibrary.cpp
+
+win32 {
+	SOURCES += plugin/qlibrary_win.cpp
+}
+
+unix {
+	SOURCES += plugin/qlibrary_unix.cpp
+}
diff --git a/src/corelib/plugin/qfactoryinterface.h b/src/corelib/plugin/qfactoryinterface.h
new file mode 100644
index 0000000000..ee00d8f061
--- /dev/null
+++ b/src/corelib/plugin/qfactoryinterface.h
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFACTORYINTERFACE_H
+#define QFACTORYINTERFACE_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qstringlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+struct Q_CORE_EXPORT QFactoryInterface
+{
+    virtual ~QFactoryInterface() {}
+    virtual QStringList keys() const = 0;
+};
+
+
+Q_DECLARE_INTERFACE(QFactoryInterface, "com.trolltech.Qt.QFactoryInterface")
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QFACTORYINTERFACE_H
diff --git a/src/corelib/plugin/qfactoryloader.cpp b/src/corelib/plugin/qfactoryloader.cpp
new file mode 100644
index 0000000000..516302778c
--- /dev/null
+++ b/src/corelib/plugin/qfactoryloader.cpp
@@ -0,0 +1,256 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfactoryloader_p.h"
+
+#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+#include "qfactoryinterface.h"
+#include "qmap.h"
+#include <qdir.h>
+#include <qsettings.h>
+#include <qdebug.h>
+#include "qmutex.h"
+#include "qplugin.h"
+#include "qpluginloader.h"
+#include "private/qobject_p.h"
+#include "private/qcoreapplication_p.h"
+
+QT_BEGIN_NAMESPACE
+
+Q_GLOBAL_STATIC(QList<QFactoryLoader *>, qt_factory_loaders);
+
+Q_GLOBAL_STATIC_WITH_ARGS(QMutex, qt_factoryloader_mutex, (QMutex::Recursive))
+
+class QFactoryLoaderPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QFactoryLoader)
+public:
+    QFactoryLoaderPrivate(){}
+    mutable QMutex mutex;
+    QByteArray iid;
+    QList<QLibraryPrivate*> libraryList;
+    QMap<QString,QLibraryPrivate*> keyMap;
+    QStringList keyList;
+    QString suffix;
+    Qt::CaseSensitivity cs;
+    QStringList loadedPaths;
+
+    void unloadPath(const QString &path);
+};
+
+QFactoryLoader::QFactoryLoader(const char *iid,
+                               const QString &suffix,
+                               Qt::CaseSensitivity cs)
+    : QObject(*new QFactoryLoaderPrivate)
+{
+    moveToThread(QCoreApplicationPrivate::mainThread());
+    Q_D(QFactoryLoader);
+    d->iid = iid;
+    d->cs = cs;
+    d->suffix = suffix;
+
+
+    QMutexLocker locker(qt_factoryloader_mutex());
+    qt_factory_loaders()->append(this);
+    update();
+}
+
+
+
+void QFactoryLoader::update()
+{
+#ifdef QT_SHARED
+    Q_D(QFactoryLoader);
+    QStringList paths = QCoreApplication::libraryPaths();
+    QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+    for (int i = 0; i < paths.count(); ++i) {
+        const QString &pluginDir = paths.at(i);
+        // Already loaded, skip it...
+        if (d->loadedPaths.contains(pluginDir))
+            continue;
+        d->loadedPaths << pluginDir;
+
+        QString path = pluginDir + d->suffix;
+        if (!QDir(path).exists(QLatin1String(".")))
+            continue;
+
+        QStringList plugins = QDir(path).entryList(QDir::Files);
+        QLibraryPrivate *library = 0;
+        for (int j = 0; j < plugins.count(); ++j) {
+            QString fileName = QDir::cleanPath(path + QLatin1Char('/') + plugins.at(j));
+            if (qt_debug_component()) {
+                qDebug() << "QFactoryLoader::QFactoryLoader() looking at" << fileName;
+            }
+            library = QLibraryPrivate::findOrCreate(QFileInfo(fileName).canonicalFilePath());
+            if (!library->isPlugin(&settings)) {
+                if (qt_debug_component()) {
+                    qDebug() << library->errorString;
+                    qDebug() << "         not a plugin";
+                }
+                library->release();
+                continue;
+            }
+            QString regkey = QString::fromLatin1("Qt Factory Cache %1.%2/%3:/%4")
+                             .arg((QT_VERSION & 0xff0000) >> 16)
+                             .arg((QT_VERSION & 0xff00) >> 8)
+                             .arg(QLatin1String(d->iid))
+                             .arg(fileName);
+            QStringList reg, keys;
+            reg = settings.value(regkey).toStringList();
+            if (reg.count() && library->lastModified == reg[0]) {
+                keys = reg;
+                keys.removeFirst();
+            } else {
+                if (!library->loadPlugin()) {
+                    if (qt_debug_component()) {
+                        qDebug() << library->errorString;
+                        qDebug() << "           could not load";
+                    }
+                    library->release();
+                    continue;
+                }
+                QObject *instance = library->instance();
+                if (!instance)
+                    // ignore plugins that have a valid signature but cannot be loaded.
+                    continue;
+                QFactoryInterface *factory = qobject_cast<QFactoryInterface*>(instance);
+                if (instance && factory && instance->qt_metacast(d->iid))
+                    keys = factory->keys();
+                if (keys.isEmpty())
+                    library->unload();
+                reg.clear();
+                reg << library->lastModified;
+                reg += keys;
+                settings.setValue(regkey, reg);
+            }
+            if (qt_debug_component()) {
+                qDebug() << "keys" << keys;
+            }
+
+            if (keys.isEmpty()) {
+                library->release();
+                continue;
+            }
+            d->libraryList += library;
+            for (int k = 0; k < keys.count(); ++k) {
+                // first come first serve, unless the first
+                // library was built with a future Qt version,
+                // whereas the new one has a Qt version that fits
+                // better
+                QString key = keys.at(k);
+                if (!d->cs)
+                    key = key.toLower();
+                QLibraryPrivate *previous = d->keyMap.value(key);
+                if (!previous || (previous->qt_version > QT_VERSION && library->qt_version <= QT_VERSION)) {
+                    d->keyMap[key] = library;
+                    d->keyList += keys.at(k);
+                }
+            }
+        }
+    }
+#else
+    Q_D(QFactoryLoader);
+    if (qt_debug_component()) {
+        qDebug() << "QFactoryLoader::QFactoryLoader() ignoring" << d->iid
+                 << "since plugins are disabled in static builds";
+    }
+#endif
+}
+
+QFactoryLoader::~QFactoryLoader()
+{
+    Q_D(QFactoryLoader);
+    for (int i = 0; i < d->libraryList.count(); ++i)
+        d->libraryList.at(i)->release();
+
+    QMutexLocker locker(qt_factoryloader_mutex());
+    qt_factory_loaders()->removeAll(this);
+}
+
+QStringList QFactoryLoader::keys() const
+{
+    Q_D(const QFactoryLoader);
+    QMutexLocker locker(&d->mutex);
+    QStringList keys = d->keyList;
+    QObjectList instances = QPluginLoader::staticInstances();
+    for (int i = 0; i < instances.count(); ++i)
+        if (QFactoryInterface *factory = qobject_cast<QFactoryInterface*>(instances.at(i)))
+            if (instances.at(i)->qt_metacast(d->iid))
+                keys += factory->keys();
+    return keys;
+}
+
+QObject *QFactoryLoader::instance(const QString &key) const
+{
+    Q_D(const QFactoryLoader);
+    QMutexLocker locker(&d->mutex);
+    QObjectList instances = QPluginLoader::staticInstances();
+    for (int i = 0; i < instances.count(); ++i)
+        if (QFactoryInterface *factory = qobject_cast<QFactoryInterface*>(instances.at(i)))
+            if (instances.at(i)->qt_metacast(d->iid) && factory->keys().contains(key, Qt::CaseInsensitive))
+                return instances.at(i);
+
+    QString lowered = d->cs ? key : key.toLower();
+    if (QLibraryPrivate* library = d->keyMap.value(lowered)) {
+        if (library->instance || library->loadPlugin()) {
+            if (QObject *obj = library->instance()) {
+                if (obj && !obj->parent())
+                    obj->moveToThread(QCoreApplicationPrivate::mainThread());
+                return obj;
+            }
+        }
+    }
+    return 0;
+}
+
+void QFactoryLoader::refreshAll()
+{
+    QMutexLocker locker(qt_factoryloader_mutex());
+    QList<QFactoryLoader *> *loaders = qt_factory_loaders();
+    for (QList<QFactoryLoader *>::const_iterator it = loaders->constBegin();
+         it != loaders->constEnd(); ++it) {
+        (*it)->update();
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_LIBRARY
diff --git a/src/corelib/plugin/qfactoryloader_p.h b/src/corelib/plugin/qfactoryloader_p.h
new file mode 100644
index 0000000000..8110a60cfe
--- /dev/null
+++ b/src/corelib/plugin/qfactoryloader_p.h
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFACTORYLOADER_P_H
+#define QFACTORYLOADER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qobject.h"
+#include "QtCore/qstringlist.h"
+#include "private/qlibrary_p.h"
+
+#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+
+QT_BEGIN_NAMESPACE
+
+class QFactoryLoaderPrivate;
+
+class Q_CORE_EXPORT QFactoryLoader : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QFactoryLoader)
+
+public:
+    QFactoryLoader(const char *iid,
+                   const QString &suffix = QString(),
+                   Qt::CaseSensitivity = Qt::CaseSensitive);
+    ~QFactoryLoader();
+
+    QStringList keys() const;
+    QObject *instance(const QString &key) const;
+
+    void update();
+
+    static void refreshAll();
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_LIBRARY
+
+#endif // QFACTORYLOADER_P_H
diff --git a/src/corelib/plugin/qlibrary.cpp b/src/corelib/plugin/qlibrary.cpp
new file mode 100644
index 0000000000..79400a8396
--- /dev/null
+++ b/src/corelib/plugin/qlibrary.cpp
@@ -0,0 +1,1130 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qlibrary.h"
+
+#ifndef QT_NO_LIBRARY
+
+#include "qlibrary_p.h"
+#include <qstringlist.h>
+#include <qfile.h>
+#include <qfileinfo.h>
+#include <qmutex.h>
+#include <qmap.h>
+#include <qsettings.h>
+#include <qdatetime.h>
+#ifdef Q_OS_MAC
+#  include <private/qcore_mac_p.h>
+#endif
+#ifndef NO_ERRNO_H
+#include <errno.h>
+#endif // NO_ERROR_H
+#include <qdebug.h>
+#include <qvector.h>
+#include <qdir.h>
+
+QT_BEGIN_NAMESPACE
+
+//#define QT_DEBUG_COMPONENT
+
+#ifdef QT_NO_DEBUG
+#  define QLIBRARY_AS_DEBUG false
+#else
+#  define QLIBRARY_AS_DEBUG true
+#endif
+
+#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
+// We don't use separate debug and release libs on UNIX, so we want
+// to allow loading plugins, regardless of how they were built.
+#  define QT_NO_DEBUG_PLUGIN_CHECK
+#endif
+
+Q_GLOBAL_STATIC(QMutex, qt_library_mutex)
+
+/*!
+    \class QLibrary
+    \reentrant
+    \brief The QLibrary class loads shared libraries at runtime.
+
+    \mainclass
+    \ingroup plugins
+
+    An instance of a QLibrary object operates on a single shared
+    object file (which we call a "library", but is also known as a
+    "DLL"). A QLibrary provides access to the functionality in the
+    library in a platform independent way. You can either pass a file
+    name in the constructor, or set it explicitly with setFileName().
+    When loading the library, QLibrary searches in all the
+    system-specific library locations (e.g. \c LD_LIBRARY_PATH on
+    Unix), unless the file name has an absolute path. If the file
+    cannot be found, QLibrary tries the name with different
+    platform-specific file suffixes, like ".so" on Unix, ".dylib" on
+    the Mac, or ".dll" on Windows. This makes it possible to specify
+    shared libraries that are only identified by their basename (i.e.
+    without their suffix), so the same code will work on different
+    operating systems.
+
+    The most important functions are load() to dynamically load the
+    library file, isLoaded() to check whether loading was successful,
+    and resolve() to resolve a symbol in the library. The resolve()
+    function implicitly tries to load the library if it has not been
+    loaded yet. Multiple instances of QLibrary can be used to access
+    the same physical library. Once loaded, libraries remain in memory
+    until the application terminates. You can attempt to unload a
+    library using unload(), but if other instances of QLibrary are
+    using the same library, the call will fail, and unloading will
+    only happen when every instance has called unload().
+
+    A typical use of QLibrary is to resolve an exported symbol in a
+    library, and to call the C function that this symbol represents.
+    This is called "explicit linking" in contrast to "implicit
+    linking", which is done by the link step in the build process when
+    linking an executable against a library.
+
+    The following code snippet loads a library, resolves the symbol
+    "mysymbol", and calls the function if everything succeeded. If
+    something goes wrong, e.g. the library file does not exist or the
+    symbol is not defined, the function pointer will be 0 and won't be
+    called.
+
+    \snippet doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp 0
+
+    The symbol must be exported as a C function from the library for
+    resolve() to work. This means that the function must be wrapped in
+    an \c{extern "C"} block if the library is compiled with a C++
+    compiler. On Windows, this also requires the use of a \c dllexport
+    macro; see resolve() for the details of how this is done. For
+    convenience, there is a static resolve() function which you can
+    use if you just want to call a function in a library without
+    explicitly loading the library first:
+
+    \snippet doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp 1
+
+    \sa QPluginLoader
+*/
+
+/*!
+    \enum QLibrary::LoadHint
+
+    This enum describes the possible hints that can be used to change the way
+    libraries are handled when they are loaded. These values indicate how
+    symbols are resolved when libraries are loaded, and are specified using
+    the setLoadHints() function.
+
+    \value ResolveAllSymbolsHint
+    Causes all symbols in a library to be resolved when it is loaded, not
+    simply when resolve() is called.
+    \value ExportExternalSymbolsHint
+    Exports unresolved and external symbols in the library so that they can be
+    resolved in other dynamically-loaded libraries loaded later.
+    \value LoadArchiveMemberHint
+    Allows the file name of the library to specify a particular object file
+    within an archive file.
+    If this hint is given, the filename of the library consists of
+    a path, which is a reference to an archive file, followed by
+    a reference to the archive member.
+
+    \sa loadHints
+*/
+
+
+#ifndef QT_NO_PLUGIN_CHECK
+struct qt_token_info
+{
+    qt_token_info(const char *f, const ulong fc)
+        : fields(f), field_count(fc), results(fc), lengths(fc)
+    {
+        results.fill(0);
+        lengths.fill(0);
+    }
+
+    const char *fields;
+    const ulong field_count;
+
+    QVector<const char *> results;
+    QVector<ulong> lengths;
+};
+
+/*
+  return values:
+       1 parse ok
+       0 eos
+      -1 parse error
+*/
+static int qt_tokenize(const char *s, ulong s_len, ulong *advance,
+                        qt_token_info &token_info)
+{
+    ulong pos = 0, field = 0, fieldlen = 0;
+    char current;
+    int ret = -1;
+    *advance = 0;
+    for (;;) {
+        current = s[pos];
+
+        // next char
+        ++pos;
+        ++fieldlen;
+        ++*advance;
+
+        if (! current || pos == s_len + 1) {
+            // save result
+            token_info.results[(int)field] = s;
+            token_info.lengths[(int)field] = fieldlen - 1;
+
+            // end of string
+            ret = 0;
+            break;
+        }
+
+        if (current == token_info.fields[field]) {
+            // save result
+            token_info.results[(int)field] = s;
+            token_info.lengths[(int)field] = fieldlen - 1;
+
+            // end of field
+            fieldlen = 0;
+            ++field;
+            if (field == token_info.field_count - 1) {
+                // parse ok
+                ret = 1;
+            }
+            if (field == token_info.field_count) {
+                // done parsing
+                break;
+            }
+
+            // reset string and its length
+            s = s + pos;
+            s_len -= pos;
+            pos = 0;
+        }
+    }
+
+    return ret;
+}
+
+/*
+  returns true if the string s was correctly parsed, false otherwise.
+*/
+static bool qt_parse_pattern(const char *s, uint *version, bool *debug, QByteArray *key)
+{
+    bool ret = true;
+
+    qt_token_info pinfo("=\n", 2);
+    int parse;
+    ulong at = 0, advance, parselen = qstrlen(s);
+    do {
+        parse = qt_tokenize(s + at, parselen, &advance, pinfo);
+        if (parse == -1) {
+            ret = false;
+            break;
+        }
+
+        at += advance;
+        parselen -= advance;
+
+        if (qstrncmp("version", pinfo.results[0], pinfo.lengths[0]) == 0) {
+            // parse version string
+            qt_token_info pinfo2("..-", 3);
+            if (qt_tokenize(pinfo.results[1], pinfo.lengths[1],
+                              &advance, pinfo2) != -1) {
+                QByteArray m(pinfo2.results[0], pinfo2.lengths[0]);
+                QByteArray n(pinfo2.results[1], pinfo2.lengths[1]);
+                QByteArray p(pinfo2.results[2], pinfo2.lengths[2]);
+                *version  = (m.toUInt() << 16) | (n.toUInt() << 8) | p.toUInt();
+            } else {
+                ret = false;
+                break;
+            }
+        } else if (qstrncmp("debug", pinfo.results[0], pinfo.lengths[0]) == 0) {
+            *debug = qstrncmp("true", pinfo.results[1], pinfo.lengths[1]) == 0;
+        } else if (qstrncmp("buildkey", pinfo.results[0],
+                              pinfo.lengths[0]) == 0){
+            // save buildkey
+            *key = QByteArray(pinfo.results[1], pinfo.lengths[1]);
+        }
+    } while (parse == 1 && parselen > 0);
+
+    return ret;
+}
+#endif // QT_NO_PLUGIN_CHECK
+
+#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) && !defined(QT_NO_PLUGIN_CHECK)
+
+#if defined(Q_OS_FREEBSD) || defined(Q_OS_LINUX)
+#  define USE_MMAP
+QT_BEGIN_INCLUDE_NAMESPACE
+#  include <sys/types.h>
+#  include <sys/mman.h>
+QT_END_INCLUDE_NAMESPACE
+#endif // Q_OS_FREEBSD || Q_OS_LINUX
+
+static long qt_find_pattern(const char *s, ulong s_len,
+                             const char *pattern, ulong p_len)
+{
+    /*
+      we search from the end of the file because on the supported
+      systems, the read-only data/text segments are placed at the end
+      of the file.  HOWEVER, when building with debugging enabled, all
+      the debug symbols are placed AFTER the data/text segments.
+
+      what does this mean?  when building in release mode, the search
+      is fast because the data we are looking for is at the end of the
+      file... when building in debug mode, the search is slower
+      because we have to skip over all the debugging symbols first
+    */
+
+    if (! s || ! pattern || p_len > s_len) return -1;
+    ulong i, hs = 0, hp = 0, delta = s_len - p_len;
+
+    for (i = 0; i < p_len; ++i) {
+        hs += s[delta + i];
+        hp += pattern[i];
+    }
+    i = delta;
+    for (;;) {
+        if (hs == hp && qstrncmp(s + i, pattern, p_len) == 0)
+            return i;
+        if (i == 0)
+            break;
+        --i;
+        hs -= s[i + p_len];
+        hs += s[i];
+    }
+
+    return -1;
+}
+
+/*
+  This opens the specified library, mmaps it into memory, and searches
+  for the QT_PLUGIN_VERIFICATION_DATA.  The advantage of this approach is that
+  we can get the verification data without have to actually load the library.
+  This lets us detect mismatches more safely.
+
+  Returns false if version/key information is not present, or if the
+                information could not be read.
+  Returns  true if version/key information is present and successfully read.
+*/
+static bool qt_unix_query(const QString &library, uint *version, bool *debug, QByteArray *key, QLibraryPrivate *lib = 0)
+{
+    QFile file(library);
+    if (!file.open(QIODevice::ReadOnly)) {
+        if (lib)
+            lib->errorString = file.errorString();
+        if (qt_debug_component()) {
+            qWarning("%s: %s", (const char*) QFile::encodeName(library),
+                qPrintable(qt_error_string(errno)));
+        }
+        return false;
+    }
+
+    QByteArray data;
+    char *filedata = 0;
+    ulong fdlen = 0;
+
+#ifdef USE_MMAP
+    char *mapaddr = 0;
+    size_t maplen = file.size();
+    mapaddr = (char *) mmap(mapaddr, maplen, PROT_READ, MAP_PRIVATE, file.handle(), 0);
+    if (mapaddr != MAP_FAILED) {
+        // mmap succeeded
+        filedata = mapaddr;
+        fdlen = maplen;
+    } else {
+        // mmap failed
+        if (qt_debug_component()) {
+            qWarning("mmap: %s", qPrintable(qt_error_string(errno)));
+        }
+        if (lib)
+            lib->errorString = QLibrary::tr("Could not mmap '%1': %2")
+                .arg(library)
+                .arg(qt_error_string());
+#endif // USE_MMAP
+        // try reading the data into memory instead
+        data = file.readAll();
+        filedata = data.data();
+        fdlen = data.size();
+#ifdef USE_MMAP
+    }
+#endif // USE_MMAP
+
+    // verify that the pattern is present in the plugin
+    const char pattern[] = "pattern=QT_PLUGIN_VERIFICATION_DATA";
+    const ulong plen = qstrlen(pattern);
+    long pos = qt_find_pattern(filedata, fdlen, pattern, plen);
+
+    bool ret = false;
+    if (pos >= 0)
+        ret = qt_parse_pattern(filedata + pos, version, debug, key);
+
+    if (!ret && lib)
+        lib->errorString = QLibrary::tr("Plugin verification data mismatch in '%1'").arg(library);
+#ifdef USE_MMAP
+    if (mapaddr != MAP_FAILED && munmap(mapaddr, maplen) != 0) {
+        if (qt_debug_component())
+            qWarning("munmap: %s", qPrintable(qt_error_string(errno)));
+        if (lib)
+            lib->errorString = QLibrary::tr("Could not unmap '%1': %2")
+                .arg(library)
+                .arg( qt_error_string() );
+    }
+#endif // USE_MMAP
+
+    file.close();
+    return ret;
+}
+
+#endif // Q_OS_UNIX && !Q_OS_MAC && !defined(QT_NO_PLUGIN_CHECK)
+
+typedef QMap<QString, QLibraryPrivate*> LibraryMap;
+Q_GLOBAL_STATIC(LibraryMap, libraryMap)
+
+QLibraryPrivate::QLibraryPrivate(const QString &canonicalFileName, const QString &version)
+    :pHnd(0), fileName(canonicalFileName), fullVersion(version), instance(0), qt_version(0),
+     libraryRefCount(1), libraryUnloadCount(0), pluginState(MightBeAPlugin)
+{ libraryMap()->insert(canonicalFileName, this); }
+
+QLibraryPrivate *QLibraryPrivate::findOrCreate(const QString &fileName, const QString &version)
+{
+    QMutexLocker locker(qt_library_mutex());
+    if (QLibraryPrivate *lib = libraryMap()->value(fileName)) {
+        lib->libraryRefCount.ref();
+        return lib;
+    }
+
+    return new QLibraryPrivate(fileName, version);
+}
+
+QLibraryPrivate::~QLibraryPrivate()
+{
+    LibraryMap * const map = libraryMap();
+    if (map) {
+        QLibraryPrivate *that = map->take(fileName);
+        Q_ASSERT(this == that);
+	Q_UNUSED(that);
+    }
+}
+
+void *QLibraryPrivate::resolve(const char *symbol)
+{
+    if (!pHnd)
+        return 0;
+    return resolve_sys(symbol);
+}
+
+
+bool QLibraryPrivate::load()
+{
+    libraryUnloadCount.ref();
+    if (pHnd)
+        return true;
+    if (fileName.isEmpty())
+        return false;
+    return load_sys();
+}
+
+bool QLibraryPrivate::unload()
+{
+    if (!pHnd)
+        return false;
+    if (!libraryUnloadCount.deref()) { // only unload if ALL QLibrary instance wanted to
+        if (instance)
+            delete instance();
+        if  (unload_sys()) {
+            instance = 0;
+            pHnd = 0;
+        }
+    }
+
+    return (pHnd == 0);
+}
+
+void QLibraryPrivate::release()
+{
+    QMutexLocker locker(qt_library_mutex());
+    if (!libraryRefCount.deref())
+        delete this;
+}
+
+bool QLibraryPrivate::loadPlugin()
+{
+    if (instance) {
+        libraryUnloadCount.ref();
+        return true;
+    }
+    if (load()) {
+        instance = (QtPluginInstanceFunction)resolve("qt_plugin_instance");
+        return instance;
+    }
+    return false;
+}
+
+/*!
+    Returns true if \a fileName has a valid suffix for a loadable
+    library; otherwise returns false.
+
+    \table
+    \header \i Platform \i Valid suffixes
+    \row \i Windows     \i \c .dll
+    \row \i Unix/Linux  \i \c .so
+    \row \i AIX  \i \c .a
+    \row \i HP-UX       \i \c .sl, \c .so (HP-UXi)
+    \row \i Mac OS X    \i \c .dylib, \c .bundle, \c .so
+    \endtable
+
+    Trailing versioning numbers on Unix are ignored.
+ */
+bool QLibrary::isLibrary(const QString &fileName)
+{
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    return fileName.endsWith(QLatin1String(".dll"));
+#else
+    QString completeSuffix = QFileInfo(fileName).completeSuffix();
+    if (completeSuffix.isEmpty())
+        return false;
+    QStringList suffixes = completeSuffix.split(QLatin1Char('.'));
+# if defined(Q_OS_DARWIN)
+
+    // On Mac, libs look like libmylib.1.0.0.dylib
+    const QString lastSuffix = suffixes.at(suffixes.count() - 1);
+    const QString firstSuffix = suffixes.at(0);
+
+    bool valid = (lastSuffix == QLatin1String("dylib")
+            || firstSuffix == QLatin1String("so")
+            || firstSuffix == QLatin1String("bundle"));
+
+    return valid;
+# else  // Generic Unix
+    QStringList validSuffixList;
+
+#  if defined(Q_OS_HPUX)
+/*
+    See "HP-UX Linker and Libraries User's Guide", section "Link-time Differences between PA-RISC and IPF":
+    "In PA-RISC (PA-32 and PA-64) shared libraries are suffixed with .sl. In IPF (32-bit and 64-bit),
+    the shared libraries are suffixed with .so. For compatibility, the IPF linker also supports the .sl suffix."
+ */
+    validSuffixList << QLatin1String("sl");
+#   if defined __ia64
+    validSuffixList << QLatin1String("so");
+#   endif
+#  elif defined(Q_OS_AIX)
+    validSuffixList << QLatin1String("a") << QLatin1String("so");
+#  elif defined(Q_OS_UNIX)
+    validSuffixList << QLatin1String("so");
+#  endif
+
+    // Examples of valid library names:
+    //  libfoo.so
+    //  libfoo.so.0
+    //  libfoo.so.0.3
+    //  libfoo-0.3.so
+    //  libfoo-0.3.so.0.3.0
+
+    int suffix;
+    int suffixPos = -1;
+    for (suffix = 0; suffix < validSuffixList.count() && suffixPos == -1; ++suffix)
+        suffixPos = suffixes.indexOf(validSuffixList.at(suffix));
+
+    bool valid = suffixPos != -1;
+    for (int i = suffixPos + 1; i < suffixes.count() && valid; ++i)
+        if (i != suffixPos)
+            suffixes.at(i).toInt(&valid);
+    return valid;
+# endif
+#endif
+
+}
+
+bool QLibraryPrivate::isPlugin(QSettings *settings)
+{
+    errorString.clear();
+    if (pluginState != MightBeAPlugin)
+        return pluginState == IsAPlugin;
+
+#ifndef QT_NO_PLUGIN_CHECK
+    bool debug = !QLIBRARY_AS_DEBUG;
+    QByteArray key;
+    bool success = false;
+
+    QFileInfo fileinfo(fileName);
+
+#ifndef QT_NO_DATESTRING
+    lastModified  = fileinfo.lastModified().toString(Qt::ISODate);
+#endif
+    QString regkey = QString::fromLatin1("Qt Plugin Cache %1.%2.%3/%4")
+                     .arg((QT_VERSION & 0xff0000) >> 16)
+                     .arg((QT_VERSION & 0xff00) >> 8)
+                     .arg(QLIBRARY_AS_DEBUG ? QLatin1String("debug") : QLatin1String("false"))
+                     .arg(fileName);
+    QStringList reg;
+#ifndef QT_NO_SETTINGS
+    bool madeSettings = false;
+    if (!settings) {
+        settings = new QSettings(QSettings::UserScope, QLatin1String("Trolltech"));
+        madeSettings = true;
+    }
+    reg = settings->value(regkey).toStringList();
+#endif
+    if (reg.count() == 4 && lastModified == reg.at(3)) {
+        qt_version = reg.at(0).toUInt(0, 16);
+        debug = bool(reg.at(1).toInt());
+        key = reg.at(2).toLatin1();
+        success = qt_version != 0;
+    } else {
+#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
+        if (!pHnd) {
+            // use unix shortcut to avoid loading the library
+            success = qt_unix_query(fileName, &qt_version, &debug, &key, this);
+        } else
+#endif
+        {
+            bool temporary_load = false;
+#ifdef Q_OS_WIN
+            HMODULE hTempModule = 0;
+#endif
+            if (!pHnd) {
+#ifdef Q_OS_WIN
+                QT_WA({
+                    hTempModule = ::LoadLibraryExW((wchar_t*)QDir::toNativeSeparators(fileName).utf16(), 0, DONT_RESOLVE_DLL_REFERENCES);
+                } , {
+                    temporary_load = load_sys();
+                });
+#else
+                temporary_load =  load_sys();
+#endif
+            }
+#  ifdef Q_CC_BOR
+            typedef const char * __stdcall (*QtPluginQueryVerificationDataFunction)();
+#  else
+            typedef const char * (*QtPluginQueryVerificationDataFunction)();
+#  endif
+#ifdef Q_OS_WIN
+            QtPluginQueryVerificationDataFunction qtPluginQueryVerificationDataFunction = hTempModule
+                ? (QtPluginQueryVerificationDataFunction)
+#ifdef Q_OS_WINCE
+                    ::GetProcAddressW(hTempModule, L"qt_plugin_query_verification_data")
+#else
+                    ::GetProcAddress(hTempModule, "qt_plugin_query_verification_data")
+#endif
+                : (QtPluginQueryVerificationDataFunction) resolve("qt_plugin_query_verification_data");
+#else
+            QtPluginQueryVerificationDataFunction qtPluginQueryVerificationDataFunction =
+                (QtPluginQueryVerificationDataFunction) resolve("qt_plugin_query_verification_data");
+#endif
+
+            if (!qtPluginQueryVerificationDataFunction
+                || !qt_parse_pattern(qtPluginQueryVerificationDataFunction(), &qt_version, &debug, &key)) {
+                qt_version = 0;
+                key = "unknown";
+                if (temporary_load)
+                    unload_sys();
+            } else {
+                success = true;
+            }
+#ifdef Q_OS_WIN
+            if (hTempModule) {
+                BOOL ok = ::FreeLibrary(hTempModule);
+                if (ok) {
+                    hTempModule = 0;
+                }
+
+            }
+#endif
+        }
+
+        QStringList queried;
+        queried << QString::number(qt_version,16)
+                << QString::number((int)debug)
+                << QLatin1String(key)
+                << lastModified;
+#ifndef QT_NO_SETTINGS
+        settings->setValue(regkey, queried);
+#endif
+    }
+#ifndef QT_NO_SETTINGS
+    if (madeSettings)
+        delete settings;
+#endif
+
+    if (!success) {
+        if (errorString.isEmpty()){
+            if (fileName.isEmpty())
+                errorString = QLibrary::tr("The shared library was not found.");
+            else
+                errorString = QLibrary::tr("The file '%1' is not a valid Qt plugin.").arg(fileName);
+        }
+        return false;
+    }
+
+    pluginState = IsNotAPlugin; // be pessimistic
+
+    if ((qt_version > QT_VERSION) || ((QT_VERSION & 0xff0000) > (qt_version & 0xff0000))) {
+        if (qt_debug_component()) {
+            qWarning("In %s:\n"
+                 "  Plugin uses incompatible Qt library (%d.%d.%d) [%s]",
+                 (const char*) QFile::encodeName(fileName),
+                 (qt_version&0xff0000) >> 16, (qt_version&0xff00) >> 8, qt_version&0xff,
+                 debug ? "debug" : "release");
+        }
+        errorString = QLibrary::tr("The plugin '%1' uses incompatible Qt library. (%2.%3.%4) [%5]")
+            .arg(fileName)
+            .arg((qt_version&0xff0000) >> 16)
+            .arg((qt_version&0xff00) >> 8)
+            .arg(qt_version&0xff)
+            .arg(debug ? QLatin1String("debug") : QLatin1String("release"));
+    } else if (key != QT_BUILD_KEY
+#ifdef QT_BUILD_KEY_COMPAT
+               // be sure to load plugins using an older but compatible build key
+               && key != QT_BUILD_KEY_COMPAT
+#endif
+               ) {
+        if (qt_debug_component()) {
+            qWarning("In %s:\n"
+                 "  Plugin uses incompatible Qt library\n"
+                 "  expected build key \"%s\", got \"%s\"",
+                 (const char*) QFile::encodeName(fileName),
+                 QT_BUILD_KEY,
+                 key.isEmpty() ? "<null>" : (const char *) key);
+        }
+        errorString = QLibrary::tr("The plugin '%1' uses incompatible Qt library."
+                 " Expected build key \"%2\", got \"%3\"")
+                 .arg(fileName)
+                 .arg(QLatin1String(QT_BUILD_KEY))
+                 .arg(key.isEmpty() ? QLatin1String("<null>") : QLatin1String((const char *) key));
+#ifndef QT_NO_DEBUG_PLUGIN_CHECK
+    } else if(debug != QLIBRARY_AS_DEBUG) {
+        //don't issue a qWarning since we will hopefully find a non-debug? --Sam
+        errorString = QLibrary::tr("The plugin '%1' uses incompatible Qt library."
+                 " (Cannot mix debug and release libraries.)").arg(fileName);
+#endif
+    } else {
+        pluginState = IsAPlugin;
+    }
+
+    return pluginState == IsAPlugin;
+#else
+    Q_UNUSED(settings);
+    return pluginState == MightBeAPlugin;
+#endif
+}
+
+/*!
+    Loads the library and returns true if the library was loaded
+    successfully; otherwise returns false. Since resolve() always
+    calls this function before resolving any symbols it is not
+    necessary to call it explicitly. In some situations you might want
+    the library loaded in advance, in which case you would use this
+    function.
+
+    \sa unload()
+*/
+bool QLibrary::load()
+{
+    if (!d)
+        return false;
+    if (did_load)
+        return d->pHnd;
+    did_load = true;
+    return d->load();
+}
+
+/*!
+    Unloads the library and returns true if the library could be
+    unloaded; otherwise returns false.
+
+    This happens automatically on application termination, so you
+    shouldn't normally need to call this function.
+
+    If other instances of QLibrary are using the same library, the
+    call will fail, and unloading will only happen when every instance
+    has called unload().
+
+    Note that on Mac OS X 10.3 (Panther), dynamic libraries cannot be unloaded.
+
+    \sa resolve(), load()
+*/
+bool QLibrary::unload()
+{
+    if (did_load) {
+        did_load = false;
+        return d->unload();
+    }
+    return false;
+}
+
+/*!
+    Returns true if the library is loaded; otherwise returns false.
+
+    \sa load()
+ */
+bool QLibrary::isLoaded() const
+{
+    return d && d->pHnd;
+}
+
+
+/*!
+    Constructs a library with the given \a parent.
+ */
+QLibrary::QLibrary(QObject *parent)
+    :QObject(parent), d(0), did_load(false)
+{
+}
+
+
+/*!
+    Constructs a library object with the given \a parent that will
+    load the library specified by \a fileName.
+
+    We recommend omitting the file's suffix in \a fileName, since
+    QLibrary will automatically look for the file with the appropriate
+    suffix in accordance with the platform, e.g. ".so" on Unix,
+    ".dylib" on Mac OS X, and ".dll" on Windows. (See \l{fileName}.)
+ */
+QLibrary::QLibrary(const QString& fileName, QObject *parent)
+    :QObject(parent), d(0), did_load(false)
+{
+    setFileName(fileName);
+}
+
+
+/*!
+    Constructs a library object with the given \a parent that will
+    load the library specified by \a fileName and major version number \a verNum.
+    Currently, the version number is ignored on Windows.
+
+    We recommend omitting the file's suffix in \a fileName, since
+    QLibrary will automatically look for the file with the appropriate
+    suffix in accordance with the platform, e.g. ".so" on Unix,
+    ".dylib" on Mac OS X, and ".dll" on Windows. (See \l{fileName}.)
+ */
+QLibrary::QLibrary(const QString& fileName, int verNum, QObject *parent)
+    :QObject(parent), d(0), did_load(false)
+{
+    setFileNameAndVersion(fileName, verNum);
+}
+
+/*!
+    Constructs a library object with the given \a parent that will
+    load the library specified by \a fileName and full version number \a version.
+    Currently, the version number is ignored on Windows.
+
+    We recommend omitting the file's suffix in \a fileName, since
+    QLibrary will automatically look for the file with the appropriate
+    suffix in accordance with the platform, e.g. ".so" on Unix,
+    ".dylib" on Mac OS X, and ".dll" on Windows. (See \l{fileName}.)
+ */
+QLibrary::QLibrary(const QString& fileName, const QString &version, QObject *parent)
+    :QObject(parent), d(0), did_load(false)
+{
+    setFileNameAndVersion(fileName, version);
+}
+
+/*!
+    Destroys the QLibrary object.
+
+    Unless unload() was called explicitly, the library stays in memory
+    until the application terminates.
+
+    \sa isLoaded(), unload()
+*/
+QLibrary::~QLibrary()
+{
+    if (d)
+        d->release();
+}
+
+
+/*!
+    \property QLibrary::fileName
+    \brief the file name of the library
+
+    We recommend omitting the file's suffix in the file name, since
+    QLibrary will automatically look for the file with the appropriate
+    suffix (see isLibrary()).
+
+    When loading the library, QLibrary searches in all system-specific
+    library locations (e.g. \c LD_LIBRARY_PATH on Unix), unless the
+    file name has an absolute path. After loading the library
+    successfully, fileName() returns the fully-qualified file name of
+    the library, including the full path to the library if one was given
+    in the constructor or passed to setFileName().
+
+    For example, after successfully loading the "GL" library on Unix
+    platforms, fileName() will return "libGL.so". If the file name was
+    originally passed as "/usr/lib/libGL", fileName() will return
+    "/usr/lib/libGL.so".
+*/
+
+void QLibrary::setFileName(const QString &fileName)
+{
+    QLibrary::LoadHints lh;
+    if (d) {
+        lh = d->loadHints;
+        d->release();
+        d = 0;
+        did_load = false;
+    }
+    d = QLibraryPrivate::findOrCreate(fileName);
+    d->loadHints = lh;
+}
+
+QString QLibrary::fileName() const
+{
+    if (d)
+        return d->qualifiedFileName.isEmpty() ? d->fileName : d->qualifiedFileName;
+    return QString();
+}
+
+/*!
+    \fn void QLibrary::setFileNameAndVersion(const QString &fileName, int versionNumber)
+
+    Sets the fileName property and major version number to \a fileName
+    and \a versionNumber respectively.
+    The \a versionNumber is ignored on Windows.
+    \sa setFileName()
+*/
+void QLibrary::setFileNameAndVersion(const QString &fileName, int verNum)
+{
+    QLibrary::LoadHints lh;
+    if (d) {
+        lh = d->loadHints;
+        d->release();
+        d = 0;
+        did_load = false;
+    }
+    d = QLibraryPrivate::findOrCreate(fileName, verNum >= 0 ? QString::number(verNum) : QString());
+    d->loadHints = lh;
+}
+
+/*!
+    \since 4.4
+
+    Sets the fileName property and full version number to \a fileName
+    and \a version respectively.
+    The \a version parameter is ignored on Windows.
+    \sa setFileName()
+*/
+void QLibrary::setFileNameAndVersion(const QString &fileName, const QString &version)
+{
+    QLibrary::LoadHints lh;
+    if (d) {
+        lh = d->loadHints;
+        d->release();
+        d = 0;
+        did_load = false;
+    }
+    d = QLibraryPrivate::findOrCreate(fileName, version);
+    d->loadHints = lh;
+}
+
+/*!
+    Returns the address of the exported symbol \a symbol. The library is
+    loaded if necessary. The function returns 0 if the symbol could
+    not be resolved or if the library could not be loaded.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp 2
+
+    The symbol must be exported as a C function from the library. This
+    means that the function must be wrapped in an \c{extern "C"} if
+    the library is compiled with a C++ compiler. On Windows you must
+    also explicitly export the function from the DLL using the
+    \c{__declspec(dllexport)} compiler directive, for example:
+
+    \snippet doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp 3
+
+    with \c MY_EXPORT defined as
+
+    \snippet doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp 4
+
+*/
+void *QLibrary::resolve(const char *symbol)
+{
+    if (!load())
+        return 0;
+    return d->resolve(symbol);
+}
+
+/*!
+    \overload
+
+    Loads the library \a fileName and returns the address of the
+    exported symbol \a symbol. Note that \a fileName should not
+    include the platform-specific file suffix; (see \l{fileName}). The
+    library remains loaded until the application exits.
+
+    The function returns 0 if the symbol could not be resolved or if
+    the library could not be loaded.
+
+    \sa resolve()
+*/
+void *QLibrary::resolve(const QString &fileName, const char *symbol)
+{
+    QLibrary library(fileName);
+    return library.resolve(symbol);
+}
+
+/*!
+    \overload
+
+    Loads the library \a fileName with major version number \a verNum and
+    returns the address of the exported symbol \a symbol.
+    Note that \a fileName should not include the platform-specific file suffix;
+    (see \l{fileName}). The library remains loaded until the application exits.
+    \a verNum is ignored on Windows.
+
+    The function returns 0 if the symbol could not be resolved or if
+    the library could not be loaded.
+
+    \sa resolve()
+*/
+void *QLibrary::resolve(const QString &fileName, int verNum, const char *symbol)
+{
+    QLibrary library(fileName, verNum);
+    return library.resolve(symbol);
+}
+
+/*!
+    \overload
+    \since 4.4
+
+    Loads the library \a fileName with full version number \a version and
+    returns the address of the exported symbol \a symbol.
+    Note that \a fileName should not include the platform-specific file suffix;
+    (see \l{fileName}). The library remains loaded until the application exits.
+    \a version is ignored on Windows.
+
+    The function returns 0 if the symbol could not be resolved or if
+    the library could not be loaded.
+
+    \sa resolve()
+*/
+void *QLibrary::resolve(const QString &fileName, const QString &version, const char *symbol)
+{
+    QLibrary library(fileName, version);
+    return library.resolve(symbol);
+}
+
+/*!
+    \fn QString QLibrary::library() const
+
+    Use fileName() instead.
+*/
+
+/*!
+    \fn void QLibrary::setAutoUnload( bool b )
+
+    Use load(), isLoaded(), and unload() as necessary instead.
+*/
+
+/*!
+    \since 4.2
+
+    Returns a text string with the description of the last error that occurred.
+    Currently, errorString will only be set if load(), unload() or resolve() for some reason fails.
+*/
+QString QLibrary::errorString() const
+{
+    return (!d || d->errorString.isEmpty()) ? tr("Unknown error") : d->errorString;
+}
+
+/*!
+    \property QLibrary::loadHints
+    \brief Give the load() function some hints on how it should behave.
+
+    You can give some hints on how the symbols are resolved. Usually,
+    the symbols are not resolved at load time, but resolved lazily,
+    (that is, when resolve() is called). If you set the loadHint to
+    ResolveAllSymbolsHint, then all symbols will be resolved at load time
+    if the platform supports it.
+
+    Setting ExportExternalSymbolsHint will make the external symbols in the
+    library available for resolution in subsequent loaded libraries.
+
+    If LoadArchiveMemberHint is set, the file name
+    is composed of two components: A path which is a reference to an
+    archive file followed by the second component which is the reference to
+    the archive member. For instance, the fileName \c libGL.a(shr_64.o) will refer
+    to the library \c shr_64.o in the archive file named \c libGL.a. This
+    is only supported on the AIX platform.
+
+    The interpretation of the load hints is platform dependent, and if
+    you use it you are probably making some assumptions on which platform
+    you are compiling for, so use them only if you understand the consequences
+    of them.
+
+    By default, none of these flags are set, so libraries will be loaded with
+    lazy symbol resolution, and will not export external symbols for resolution
+    in other dynamically-loaded libraries.
+*/
+void QLibrary::setLoadHints(LoadHints hints)
+{
+    if (!d) {
+        d = QLibraryPrivate::findOrCreate(QString());   // ugly, but we need a d-ptr
+        d->errorString.clear();
+    }
+    d->loadHints = hints;
+}
+
+QLibrary::LoadHints QLibrary::loadHints() const
+{
+    return d ? d->loadHints : (QLibrary::LoadHints)0;
+}
+
+/* Internal, for debugging */
+bool qt_debug_component()
+{
+#if defined(QT_DEBUG_COMPONENT)
+    return true;    //compatibility?
+#else
+    static int debug_env = -1;
+    if (debug_env == -1)
+       debug_env = QT_PREPEND_NAMESPACE(qgetenv)("QT_DEBUG_PLUGINS").toInt();
+
+    return debug_env != 0;
+#endif
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_LIBRARY
diff --git a/src/corelib/plugin/qlibrary.h b/src/corelib/plugin/qlibrary.h
new file mode 100644
index 0000000000..7e551e58bf
--- /dev/null
+++ b/src/corelib/plugin/qlibrary.h
@@ -0,0 +1,120 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLIBRARY_H
+#define QLIBRARY_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN)
+#undef QT_NO_LIBRARY
+#pragma message("QT_NO_LIBRARY is not supported on Windows")
+#endif
+
+#ifndef QT_NO_LIBRARY
+
+class QLibraryPrivate;
+
+class Q_CORE_EXPORT QLibrary : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
+    Q_PROPERTY(LoadHints loadHints READ loadHints WRITE setLoadHints)
+    Q_FLAGS(LoadHint LoadHints)
+public:
+    enum LoadHint {
+        ResolveAllSymbolsHint = 0x01,
+        ExportExternalSymbolsHint = 0x02,
+        LoadArchiveMemberHint = 0x04
+    };
+    Q_DECLARE_FLAGS(LoadHints, LoadHint)
+
+    explicit QLibrary(QObject *parent = 0);
+    explicit QLibrary(const QString& fileName, QObject *parent = 0);
+    explicit QLibrary(const QString& fileName, int verNum, QObject *parent = 0);
+    explicit QLibrary(const QString& fileName, const QString &version, QObject *parent = 0);
+    ~QLibrary();
+
+    void *resolve(const char *symbol);
+    static void *resolve(const QString &fileName, const char *symbol);
+    static void *resolve(const QString &fileName, int verNum, const char *symbol);
+    static void *resolve(const QString &fileName, const QString &version, const char *symbol);
+
+    bool load();
+    bool unload();
+    bool isLoaded() const;
+
+    static bool isLibrary(const QString &fileName);
+
+    void setFileName(const QString &fileName);
+    QString fileName() const;
+
+    void setFileNameAndVersion(const QString &fileName, int verNum);
+    void setFileNameAndVersion(const QString &fileName, const QString &version);
+    QString errorString() const;
+
+    void setLoadHints(LoadHints hints);
+    LoadHints loadHints() const;
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT QString library() const { return fileName(); }
+    inline QT3_SUPPORT void setAutoUnload( bool ) {}
+#endif
+private:
+    QLibraryPrivate *d;
+    bool did_load;
+    Q_DISABLE_COPY(QLibrary)
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QLibrary::LoadHints)
+
+#endif //QT_NO_LIBRARY
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif //QLIBRARY_H
diff --git a/src/corelib/plugin/qlibrary_p.h b/src/corelib/plugin/qlibrary_p.h
new file mode 100644
index 0000000000..36bde95f5d
--- /dev/null
+++ b/src/corelib/plugin/qlibrary_p.h
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLIBRARY_P_H
+#define QLIBRARY_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifdef Q_WS_WIN
+# include "QtCore/qt_windows.h"
+#endif
+#include "QtCore/qlibrary.h"
+#include "QtCore/qpointer.h"
+#include "QtCore/qstringlist.h"
+#include "QtCore/qplugin.h"
+
+#ifndef QT_NO_LIBRARY
+
+QT_BEGIN_NAMESPACE
+
+bool qt_debug_component();
+
+class QSettings;
+class QLibraryPrivate
+{
+public:
+
+#ifdef Q_WS_WIN
+    HINSTANCE
+#else
+    void *
+#endif
+    pHnd;
+
+    QString fileName, qualifiedFileName;
+    QString fullVersion;
+
+    bool load();
+    bool loadPlugin(); // loads and resolves instance
+    bool unload();
+    void release();
+    void *resolve(const char *);
+
+    static QLibraryPrivate *findOrCreate(const QString &fileName, const QString &version = QString());
+
+    QtPluginInstanceFunction instance;
+    uint qt_version;
+    QString lastModified;
+
+    QString errorString;
+    QLibrary::LoadHints loadHints;
+
+    bool isPlugin(QSettings *settings = 0);
+
+
+private:
+    explicit QLibraryPrivate(const QString &canonicalFileName, const QString &version);
+    ~QLibraryPrivate();
+
+    bool load_sys();
+    bool unload_sys();
+    void *resolve_sys(const char *);
+
+    QAtomicInt libraryRefCount;
+    QAtomicInt libraryUnloadCount;
+
+    enum {IsAPlugin, IsNotAPlugin, MightBeAPlugin } pluginState;
+    friend class QLibraryPrivateHasFriends;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_LIBRARY
+
+#endif // QLIBRARY_P_H
diff --git a/src/corelib/plugin/qlibrary_unix.cpp b/src/corelib/plugin/qlibrary_unix.cpp
new file mode 100644
index 0000000000..08bd2d0843
--- /dev/null
+++ b/src/corelib/plugin/qlibrary_unix.cpp
@@ -0,0 +1,266 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include <qfile.h>
+#include "qlibrary_p.h"
+#include <qfileinfo.h>
+#include <qcoreapplication.h>
+
+#ifndef QT_NO_LIBRARY
+
+#ifdef Q_OS_MAC
+#  include <private/qcore_mac_p.h>
+#endif
+
+#if defined(QT_AOUT_UNDERSCORE)
+#include <string.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#if !defined(QT_HPUX_LD)
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <dlfcn.h>
+QT_END_INCLUDE_NAMESPACE
+#endif
+
+static QString qdlerror()
+{
+#if !defined(QT_HPUX_LD)
+    const char *err = dlerror();
+#else
+    const char *err = strerror(errno);
+#endif
+    return err ? QLatin1String("(")+QString::fromLocal8Bit(err) + QLatin1String(")"): QString();
+}
+
+bool QLibraryPrivate::load_sys()
+{
+    QFileInfo fi(fileName);
+    QString path = fi.path();
+    QString name = fi.fileName();
+    if (path == QLatin1String(".") && !fileName.startsWith(path))
+        path.clear();
+    else
+        path += QLatin1Char('/');
+
+    // The first filename we want to attempt to load is the filename as the callee specified.
+    // Thus, the first attempt we do must be with an empty prefix and empty suffix.
+    QStringList suffixes(QLatin1String("")), prefixes(QLatin1String(""));
+    if (pluginState != IsAPlugin) {
+        prefixes << QLatin1String("lib");
+#if defined(Q_OS_HPUX)
+        // according to
+        // http://docs.hp.com/en/B2355-90968/linkerdifferencesiapa.htm
+
+        // In PA-RISC (PA-32 and PA-64) shared libraries are suffixed
+        // with .sl. In IPF (32-bit and 64-bit), the shared libraries
+        // are suffixed with .so. For compatibility, the IPF linker
+        // also supports the .sl suffix.
+
+        // But since we don't know if we are built on HPUX or HPUXi,
+        // we support both .sl (and .<version>) and .so suffixes but
+        // .so is preferred.
+# if defined(__ia64)
+        if (!fullVersion.isEmpty()) {
+            suffixes << QString::fromLatin1(".so.%1").arg(fullVersion);
+        } else {
+            suffixes << QLatin1String(".so");
+        }
+# endif
+        if (!fullVersion.isEmpty()) {
+            suffixes << QString::fromLatin1(".sl.%1").arg(fullVersion);
+            suffixes << QString::fromLatin1(".%1").arg(fullVersion);
+        } else {
+            suffixes << QLatin1String(".sl");
+        }
+#elif defined(Q_OS_AIX)
+        suffixes << ".a";
+#else
+        if (!fullVersion.isEmpty()) {
+            suffixes << QString::fromLatin1(".so.%1").arg(fullVersion);
+        } else {
+            suffixes << QLatin1String(".so");
+        }
+#endif
+# ifdef Q_OS_MAC
+        if (!fullVersion.isEmpty()) {
+            suffixes << QString::fromLatin1(".%1.bundle").arg(fullVersion);
+            suffixes << QString::fromLatin1(".%1.dylib").arg(fullVersion);
+        } else {
+            suffixes << QLatin1String(".bundle") << QLatin1String(".dylib");
+        }
+#endif
+    }
+    int dlFlags = 0;
+#if defined(QT_HPUX_LD)
+    dlFlags = DYNAMIC_PATH | BIND_NONFATAL;
+    if (loadHints & QLibrary::ResolveAllSymbolsHint) {
+        dlFlags |= BIND_IMMEDIATE;
+    } else {
+        dlFlags |= BIND_DEFERRED;
+    }
+#else
+    if (loadHints & QLibrary::ResolveAllSymbolsHint) {
+        dlFlags |= RTLD_NOW;
+    } else {
+        dlFlags |= RTLD_LAZY;
+    }
+    if (loadHints & QLibrary::ExportExternalSymbolsHint) {
+        dlFlags |= RTLD_GLOBAL;
+    }
+#if !defined(Q_OS_CYGWIN)
+    else {
+#if defined(Q_OS_MAC)
+        if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
+#endif        
+        dlFlags |= RTLD_LOCAL;
+    }
+#endif
+#if defined(Q_OS_AIX)	// Not sure if any other platform actually support this thing.
+    if (loadHints & QLibrary::LoadArchiveMemberHint) {
+        dlFlags |= RTLD_MEMBER;
+    }
+#endif
+#endif // QT_HPUX_LD
+    QString attempt;
+    bool retry = true;
+    for(int prefix = 0; retry && !pHnd && prefix < prefixes.size(); prefix++) {
+        for(int suffix = 0; retry && !pHnd && suffix < suffixes.size(); suffix++) {
+            if (!prefixes.at(prefix).isEmpty() && name.startsWith(prefixes.at(prefix)))
+                continue;
+            if (!suffixes.at(suffix).isEmpty() && name.endsWith(suffixes.at(suffix)))
+                continue;
+            if (loadHints & QLibrary::LoadArchiveMemberHint) {
+                attempt = name;
+                int lparen = attempt.indexOf(QLatin1Char('('));
+                if (lparen == -1)
+                    lparen = attempt.count();
+                attempt = path + prefixes.at(prefix) + attempt.insert(lparen, suffixes.at(suffix));
+            } else {
+                attempt = path + prefixes.at(prefix) + name + suffixes.at(suffix);
+            }
+#if defined(QT_HPUX_LD)
+            pHnd = (void*)shl_load(QFile::encodeName(attempt), dlFlags, 0);
+#else
+            pHnd = dlopen(QFile::encodeName(attempt), dlFlags);
+#endif
+            if (!pHnd && fileName.startsWith(QLatin1Char('/')) && QFile::exists(attempt)) {
+                // We only want to continue if dlopen failed due to that the shared library did not exist.
+                // However, we are only able to apply this check for absolute filenames (since they are
+                // not influenced by the content of LD_LIBRARY_PATH, /etc/ld.so.cache, DT_RPATH etc...)
+                // This is all because dlerror is flawed and cannot tell us the reason why it failed.
+                retry = false;
+            }
+        }
+    }
+
+#ifdef Q_OS_MAC
+    if (!pHnd) {
+        if (CFBundleRef bundle = CFBundleGetBundleWithIdentifier(QCFString(fileName))) {
+            QCFType<CFURLRef> url = CFBundleCopyExecutableURL(bundle);
+            QCFString str = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle);
+            pHnd = dlopen(QFile::encodeName(str), dlFlags);
+            attempt = str;
+        }
+    }
+# endif
+    if (!pHnd) {
+        errorString = QLibrary::tr("Cannot load library %1: %2").arg(fileName).arg(qdlerror());
+    }
+    if (pHnd) {
+        qualifiedFileName = attempt;
+        errorString.clear();
+    }
+    return (pHnd != 0);
+}
+
+bool QLibraryPrivate::unload_sys()
+{
+#if defined(QT_HPUX_LD)
+    if (shl_unload((shl_t)pHnd)) {
+#else
+    if (dlclose(pHnd)) {
+#endif
+        errorString = QLibrary::tr("Cannot unload library %1: %2").arg(fileName).arg(qdlerror());
+        return false;
+    }
+    errorString.clear();
+    return true;
+}
+
+#ifdef Q_OS_MAC
+Q_CORE_EXPORT void *qt_mac_resolve_sys(void *handle, const char *symbol)
+{
+    return dlsym(handle, symbol);
+}
+#endif
+
+void* QLibraryPrivate::resolve_sys(const char* symbol)
+{
+#if defined(QT_AOUT_UNDERSCORE)
+    // older a.out systems add an underscore in front of symbols
+    char* undrscr_symbol = new char[strlen(symbol)+2];
+    undrscr_symbol[0] = '_';
+    strcpy(undrscr_symbol+1, symbol);
+    void* address = dlsym(pHnd, undrscr_symbol);
+    delete [] undrscr_symbol;
+#elif defined(QT_HPUX_LD)
+    void* address = 0;
+    if (shl_findsym((shl_t*)&pHnd, symbol, TYPE_UNDEFINED, &address) < 0)
+        address = 0;
+#else
+    void* address = dlsym(pHnd, symbol);
+#endif
+    if (!address) {
+        errorString = QLibrary::tr("Cannot resolve symbol \"%1\" in %2: %3").arg(
+            QString::fromAscii(symbol)).arg(fileName).arg(qdlerror());
+    } else {
+        errorString.clear();
+    }
+    return address;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_LIBRARY
diff --git a/src/corelib/plugin/qlibrary_win.cpp b/src/corelib/plugin/qlibrary_win.cpp
new file mode 100644
index 0000000000..bbd698db78
--- /dev/null
+++ b/src/corelib/plugin/qlibrary_win.cpp
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qlibrary_p.h"
+#include "qfile.h"
+#include "qdir.h"
+#include "qfileinfo.h"
+#include "qdir.h"
+
+#if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN)
+#undef QT_NO_LIBRARY
+#pragma message("QT_NO_LIBRARY is not supported on Windows")
+#endif
+
+#include "qt_windows.h"
+
+QT_BEGIN_NAMESPACE
+
+extern QString qt_error_string(int code);
+
+bool QLibraryPrivate::load_sys()
+{
+#ifdef Q_OS_WINCE
+    QString attempt = QFileInfo(fileName).absoluteFilePath();
+#else
+    QString attempt = fileName;
+#endif
+
+    //avoid 'Bad Image' message box
+    UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX);
+    QT_WA({
+        pHnd = LoadLibraryW((TCHAR*)QDir::toNativeSeparators(attempt).utf16());
+    } , {
+        pHnd = LoadLibraryA(QFile::encodeName(QDir::toNativeSeparators(attempt)).data());
+    });
+    
+    if (pluginState != IsAPlugin) {
+#if defined(Q_OS_WINCE)
+        if (!pHnd && ::GetLastError() == ERROR_MOD_NOT_FOUND) {
+            QString secondAttempt = fileName;
+            QT_WA({
+                pHnd = LoadLibraryW((TCHAR*)QDir::toNativeSeparators(secondAttempt).utf16());
+            } , {
+                pHnd = LoadLibraryA(QFile::encodeName(QDir::toNativeSeparators(secondAttempt)).data());
+            });
+        }
+#endif
+        if (!pHnd && ::GetLastError() == ERROR_MOD_NOT_FOUND) {
+            attempt += QLatin1String(".dll");
+            QT_WA({
+                pHnd = LoadLibraryW((TCHAR*)QDir::toNativeSeparators(attempt).utf16());
+            } , {
+                pHnd = LoadLibraryA(QFile::encodeName(QDir::toNativeSeparators(attempt)).data());
+            });
+        }
+    }
+
+    SetErrorMode(oldmode);
+    if (!pHnd) {
+        errorString = QLibrary::tr("Cannot load library %1: %2").arg(fileName).arg(qt_error_string());
+    }
+    if (pHnd) {
+        errorString.clear();
+        QT_WA({
+            TCHAR buffer[MAX_PATH + 1];
+            ::GetModuleFileNameW(pHnd, buffer, MAX_PATH);
+            attempt = QString::fromUtf16(reinterpret_cast<const ushort *>(&buffer));
+        }, {
+            char buffer[MAX_PATH + 1];
+            ::GetModuleFileNameA(pHnd, buffer, MAX_PATH);
+            attempt = QString::fromLocal8Bit(buffer);
+        });
+        const QDir dir =  QFileInfo(fileName).dir();
+        const QString realfilename = attempt.mid(attempt.lastIndexOf(QLatin1Char('\\')) + 1);
+        if (dir.path() == QLatin1String("."))
+            qualifiedFileName = realfilename;
+        else
+            qualifiedFileName = dir.filePath(realfilename);
+    }
+    return (pHnd != 0);
+}
+
+bool QLibraryPrivate::unload_sys()
+{
+    if (!FreeLibrary(pHnd)) {
+        errorString = QLibrary::tr("Cannot unload library %1: %2").arg(fileName).arg(qt_error_string());
+        return false;
+    }
+    errorString.clear();
+    return true;
+}
+
+void* QLibraryPrivate::resolve_sys(const char* symbol)
+{
+#ifdef Q_OS_WINCE
+    void* address = (void*)GetProcAddress(pHnd, (const wchar_t*)QString::fromLatin1(symbol).utf16());
+#else
+    void* address = (void*)GetProcAddress(pHnd, symbol);
+#endif
+    if (!address) {
+        errorString = QLibrary::tr("Cannot resolve symbol \"%1\" in %2: %3").arg(
+            QString::fromAscii(symbol)).arg(fileName).arg(qt_error_string());
+    } else {
+        errorString.clear();
+    }
+    return address;
+}
+QT_END_NAMESPACE
diff --git a/src/corelib/plugin/qplugin.h b/src/corelib/plugin/qplugin.h
new file mode 100644
index 0000000000..4d0e53c2b0
--- /dev/null
+++ b/src/corelib/plugin/qplugin.h
@@ -0,0 +1,141 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPLUGIN_H
+#define QPLUGIN_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qpointer.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef Q_EXTERN_C
+#  ifdef __cplusplus
+#    define Q_EXTERN_C extern "C"
+#  else
+#    define Q_EXTERN_C extern
+#  endif
+#endif
+
+typedef QObject *(*QtPluginInstanceFunction)();
+
+void Q_CORE_EXPORT qRegisterStaticPluginInstanceFunction(QtPluginInstanceFunction function);
+
+#define Q_IMPORT_PLUGIN(PLUGIN) \
+        extern QT_PREPEND_NAMESPACE(QObject) *qt_plugin_instance_##PLUGIN(); \
+        class Static##PLUGIN##PluginInstance{ \
+        public: \
+                Static##PLUGIN##PluginInstance() { \
+                qRegisterStaticPluginInstanceFunction(qt_plugin_instance_##PLUGIN); \
+                } \
+        }; \
+       static Static##PLUGIN##PluginInstance static##PLUGIN##Instance;
+
+#define Q_PLUGIN_INSTANCE(IMPLEMENTATION) \
+        { \
+            static QT_PREPEND_NAMESPACE(QPointer)<QT_PREPEND_NAMESPACE(QObject)> _instance; \
+            if (!_instance)      \
+                _instance = new IMPLEMENTATION; \
+            return _instance; \
+        }
+
+#  define Q_EXPORT_PLUGIN(PLUGIN) \
+            Q_EXPORT_PLUGIN2(PLUGIN, PLUGIN)
+
+#  define Q_EXPORT_STATIC_PLUGIN(PLUGIN) \
+            Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGIN)
+
+#if defined(QT_STATICPLUGIN)
+
+#  define Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS) \
+            QT_PREPEND_NAMESPACE(QObject) \
+                *qt_plugin_instance_##PLUGIN() \
+            Q_PLUGIN_INSTANCE(PLUGINCLASS)
+
+#  define Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGINCLASS) \
+            Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS)
+
+#else
+// NOTE: if you change pattern, you MUST change the pattern in
+// qlibrary.cpp as well.  changing the pattern will break all
+// backwards compatibility as well (no old plugins will be loaded).
+#  ifdef QPLUGIN_DEBUG_STR
+#    undef QPLUGIN_DEBUG_STR
+#  endif
+#  ifdef QT_NO_DEBUG
+#    define QPLUGIN_DEBUG_STR "false"
+#  else
+#    define QPLUGIN_DEBUG_STR "true"
+#  endif
+#  define Q_PLUGIN_VERIFICATION_DATA \
+    static const char *qt_plugin_verification_data = \
+      "pattern=""QT_PLUGIN_VERIFICATION_DATA""\n" \
+      "version="QT_VERSION_STR"\n" \
+      "debug="QPLUGIN_DEBUG_STR"\n" \
+      "buildkey="QT_BUILD_KEY"\0";
+
+#  if defined (Q_OS_WIN32) && defined(Q_CC_BOR)
+#     define Q_STANDARD_CALL __stdcall
+#  else
+#     define Q_STANDARD_CALL
+#  endif
+
+#  define Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS)      \
+            Q_PLUGIN_VERIFICATION_DATA \
+            Q_EXTERN_C Q_DECL_EXPORT \
+            const char * Q_STANDARD_CALL qt_plugin_query_verification_data() \
+            { return qt_plugin_verification_data; } \
+            Q_EXTERN_C Q_DECL_EXPORT QT_PREPEND_NAMESPACE(QObject) * Q_STANDARD_CALL qt_plugin_instance() \
+            Q_PLUGIN_INSTANCE(PLUGINCLASS)
+
+#  define Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGINCLASS)
+
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q_PLUGIN_H
diff --git a/src/corelib/plugin/qpluginloader.cpp b/src/corelib/plugin/qpluginloader.cpp
new file mode 100644
index 0000000000..15ebe3d792
--- /dev/null
+++ b/src/corelib/plugin/qpluginloader.cpp
@@ -0,0 +1,371 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include "qplugin.h"
+#include "qpluginloader.h"
+#include <qfileinfo.h>
+#include "qlibrary_p.h"
+#include "qdebug.h"
+
+#ifndef QT_NO_LIBRARY
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QPluginLoader
+    \reentrant
+    \brief The QPluginLoader class loads a plugin at run-time.
+
+    \mainclass
+    \ingroup plugins
+
+    QPluginLoader provides access to a \l{How to Create Qt
+    Plugins}{Qt plugin}. A Qt plugin is stored in a shared library (a
+    DLL) and offers these benefits over shared libraries accessed
+    using QLibrary:
+
+    \list
+    \o QPluginLoader checks that a plugin is linked against the same
+       version of Qt as the application.
+    \o QPluginLoader provides direct access to a root component object
+       (instance()), instead of forcing you to resolve a C function manually.
+    \endlist
+
+    An instance of a QPluginLoader object operates on a single shared
+    library file, which we call a plugin. It provides access to the
+    functionality in the plugin in a platform-independent way. To
+    specify which plugin to load, either pass a file name in
+    the constructor or set it with setFileName().
+
+    The most important functions are load() to dynamically load the
+    plugin file, isLoaded() to check whether loading was successful,
+    and instance() to access the root component in the plugin. The
+    instance() function implicitly tries to load the plugin if it has
+    not been loaded yet. Multiple instances of QPluginLoader can be
+    used to access the same physical plugin.
+
+    Once loaded, plugins remain in memory until all instances of
+    QPluginLoader has been unloaded, or until the application
+    terminates. You can attempt to unload a plugin using unload(),
+    but if other instances of QPluginLoader are using the same
+    library, the call will fail, and unloading will only happen when
+    every instance has called unload(). Right before the unloading
+    happen, the root component will also be deleted.
+
+    In order to speed up loading and validation of plugins, some of
+    the information that is collected during loading is cached in
+    persistent memory (through QSettings). For instance, the result
+    of a load operation (e.g. succeeded or failed) is stored in the
+    cache, so that subsequent load operations don't try to load an
+    invalid plugin. However, if the "last modified" timestamp of
+    a plugin has changed, the plugin's cache entry is invalidated
+    and the plugin is reloaded regardless of the values in the cache
+    entry. The cache entry is then updated with the new result of the
+    load operation.
+
+    This also means that the timestamp must be updated each time the
+    plugin or any dependent resources (such as a shared library) is
+    updated, since the dependent resources might influence the result
+    of loading a plugin.
+
+    See \l{How to Create Qt Plugins} for more information about
+    how to make your application extensible through plugins.
+
+    Note that the QPluginLoader cannot be used if your application is
+    statically linked against Qt. In this case, you will also have to
+    link to plugins statically. You can use QLibrary if you need to
+    load dynamic libraries in a statically linked application.
+
+    \sa QLibrary, {Plug & Paint Example}
+*/
+
+/*!
+    Constructs a plugin loader with the given \a parent.
+*/
+QPluginLoader::QPluginLoader(QObject *parent)
+    : QObject(parent), d(0), did_load(false)
+{
+}
+
+/*!
+    Constructs a plugin loader with the given \a parent that will
+    load the plugin specified by \a fileName.
+
+    To be loadable, the file's suffix must be a valid suffix for a
+    loadable library in accordance with the platform, e.g. \c .so on
+    Unix, - \c .dylib on Mac OS X, and \c .dll on Windows. The suffix
+    can be verified with QLibrary::isLibrary().
+
+    \sa setFileName()
+*/
+QPluginLoader::QPluginLoader(const QString &fileName, QObject *parent)
+    : QObject(parent), d(0), did_load(false)
+{
+    setFileName(fileName);
+}
+
+/*!
+    Destroys the QPluginLoader object.
+
+    Unless unload() was called explicitly, the plugin stays in memory
+    until the application terminates.
+
+    \sa isLoaded(), unload()
+*/
+QPluginLoader::~QPluginLoader()
+{
+    if (d)
+        d->release();
+}
+
+/*!
+    Returns the root component object of the plugin. The plugin is
+    loaded if necessary. The function returns 0 if the plugin could
+    not be loaded or if the root component object could not be
+    instantiated.
+
+    If the root component object was destroyed, calling this function
+    creates a new instance.
+
+    The root component, returned by this function, is not deleted when
+    the QPluginLoader is destroyed. If you want to ensure that the root
+    component is deleted, you should call unload() as soon you don't
+    need to access the core component anymore.  When the library is 
+    finally unloaded, the root component will automatically be deleted.
+
+    The component object is a QObject. Use qobject_cast() to access
+    interfaces you are interested in.
+
+    \sa load()
+*/
+QObject *QPluginLoader::instance()
+{
+    if (!load())
+        return 0;
+    if (d->instance)
+        return d->instance();
+    return 0;
+}
+
+/*!
+    Loads the plugin and returns true if the plugin was loaded
+    successfully; otherwise returns false. Since instance() always
+    calls this function before resolving any symbols it is not
+    necessary to call it explicitly. In some situations you might want
+    the plugin loaded in advance, in which case you would use this
+    function.
+
+    \sa unload()
+*/
+bool QPluginLoader::load()
+{
+    if (!d || d->fileName.isEmpty())
+        return false;
+    if (did_load)
+        return d->pHnd && d->instance;
+    if (!d->isPlugin())
+        return false;
+    did_load = true;
+    return d->loadPlugin();
+}
+
+
+/*!
+    Unloads the plugin and returns true if the plugin could be
+    unloaded; otherwise returns false.
+
+    This happens automatically on application termination, so you
+    shouldn't normally need to call this function.
+
+    If other instances of QPluginLoader are using the same plugin, the
+    call will fail, and unloading will only happen when every instance
+    has called unload().
+
+    Don't try to delete the root component. Instead rely on 
+    that unload() will automatically delete it when needed.
+    
+    \sa instance(), load()
+*/
+bool QPluginLoader::unload()
+{
+    if (did_load) {
+        did_load = false;
+        return d->unload();
+    }
+    if (d)  // Ouch
+        d->errorString = tr("The plugin was not loaded.");
+    return false;
+}
+
+/*!
+    Returns true if the plugin is loaded; otherwise returns false.
+
+    \sa load()
+ */
+bool QPluginLoader::isLoaded() const
+{
+    return d && d->pHnd && d->instance;
+}
+
+/*!
+    \property QPluginLoader::fileName
+    \brief the file name of the plugin
+
+    To be loadable, the file's suffix must be a valid suffix for a
+    loadable library in accordance with the platform, e.g. \c .so on
+    Unix, \c .dylib on Mac OS X, and \c .dll on Windows. The suffix
+    can be verified with QLibrary::isLibrary().
+
+    If the file name does not exist, it will not be set. This property
+    will then contain an empty string.
+
+    By default, this property contains an empty string.
+
+    \sa load()
+*/
+void QPluginLoader::setFileName(const QString &fileName)
+{
+#if defined(QT_SHARED)
+    QLibrary::LoadHints lh;
+    if (d) {
+        lh = d->loadHints;
+        d->release();
+        d = 0;
+        did_load = false;
+    }
+    QString fn = QFileInfo(fileName).canonicalFilePath();
+    d = QLibraryPrivate::findOrCreate(fn);
+    d->loadHints = lh;
+    if (fn.isEmpty())
+        d->errorString = QLibrary::tr("The shared library was not found.");
+#else
+    if (qt_debug_component()) {
+        qWarning("Cannot load %s into a statically linked Qt library.",
+            (const char*)QFile::encodeName(fileName));
+    }
+    Q_UNUSED(fileName);
+#endif
+}
+
+QString QPluginLoader::fileName() const
+{
+    if (d)
+        return d->fileName;
+    return QString();
+}
+
+/*!
+    \since 4.2
+
+    Returns a text string with the description of the last error that occurred.
+*/
+QString QPluginLoader::errorString() const
+{
+    return (!d || d->errorString.isEmpty()) ? tr("Unknown error") : d->errorString;
+}
+
+typedef QList<QtPluginInstanceFunction> StaticInstanceFunctionList;
+Q_GLOBAL_STATIC(StaticInstanceFunctionList, staticInstanceFunctionList)
+
+/*! \since 4.4
+
+    \property QPluginLoader::loadHints
+    \brief Give the load() function some hints on how it should behave.
+
+    You can give hints on how the symbols in the plugin are
+    resolved. By default, none of the hints are set.
+
+    See the documentation of QLibrary::loadHints for a complete
+    description of how this property works.
+
+    \sa QLibrary::loadHints
+*/
+
+void QPluginLoader::setLoadHints(QLibrary::LoadHints loadHints)
+{
+    if (!d) {
+        d = QLibraryPrivate::findOrCreate(QString());   // ugly, but we need a d-ptr
+        d->errorString.clear();
+    }
+    d->loadHints = loadHints;
+}
+
+QLibrary::LoadHints QPluginLoader::loadHints() const
+{
+    if (!d) {
+        QPluginLoader *that = const_cast<QPluginLoader *>(this);
+        that->d = QLibraryPrivate::findOrCreate(QString());   // ugly, but we need a d-ptr
+        that->d->errorString.clear();
+    }
+    return d->loadHints;
+}
+
+/*!
+    \relates QPluginLoader
+    \since 4.4
+
+    Registers the given \a function with the plugin loader.
+*/
+void Q_CORE_EXPORT qRegisterStaticPluginInstanceFunction(QtPluginInstanceFunction function)
+{
+    staticInstanceFunctionList()->append(function);
+}
+
+/*!
+    Returns a list of static plugin instances (root components) held
+    by the plugin loader.
+*/
+QObjectList QPluginLoader::staticInstances()
+{
+    QObjectList instances;
+    StaticInstanceFunctionList *functions = staticInstanceFunctionList();
+    if (functions) {
+        for (int i = 0; i < functions->count(); ++i)
+            instances.append((*functions)[i]());
+    }
+    return instances;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_LIBRARY
diff --git a/src/corelib/plugin/qpluginloader.h b/src/corelib/plugin/qpluginloader.h
new file mode 100644
index 0000000000..7b8b9ed6e0
--- /dev/null
+++ b/src/corelib/plugin/qpluginloader.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPLUGINLOADER_H
+#define QPLUGINLOADER_H
+
+#include <QtCore/qlibrary.h>
+
+#if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN)
+#undef QT_NO_LIBRARY
+#pragma message("QT_NO_LIBRARY is not supported on Windows")
+#endif
+
+#ifndef QT_NO_LIBRARY
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QLibraryPrivate;
+
+class Q_CORE_EXPORT QPluginLoader : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
+    Q_PROPERTY(QLibrary::LoadHints loadHints READ loadHints WRITE setLoadHints)
+public:
+    explicit QPluginLoader(QObject *parent = 0);
+    explicit QPluginLoader(const QString &fileName, QObject *parent = 0);
+    ~QPluginLoader();
+
+    QObject *instance();
+
+    static QObjectList staticInstances();
+
+    bool load();
+    bool unload();
+    bool isLoaded() const;
+
+    void setFileName(const QString &fileName);
+    QString fileName() const;
+
+    QString errorString() const;
+
+    void setLoadHints(QLibrary::LoadHints loadHints);
+    QLibrary::LoadHints loadHints() const;
+
+private:
+    QLibraryPrivate *d;
+    bool did_load;
+    Q_DISABLE_COPY(QPluginLoader)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_LIBRARY
+
+#endif //QPLUGINLOADER_H
diff --git a/src/corelib/plugin/quuid.cpp b/src/corelib/plugin/quuid.cpp
new file mode 100644
index 0000000000..3e05d28834
--- /dev/null
+++ b/src/corelib/plugin/quuid.cpp
@@ -0,0 +1,624 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "quuid.h"
+
+#include "qdatastream.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QUuid
+    \brief The QUuid class stores a Universally Unique Identifier (UUID).
+
+    \reentrant
+    \ingroup misc
+
+    Using \e{U}niversally \e{U}nique \e{ID}entifiers (UUID) is a
+    standard way to uniquely identify entities in a distributed
+    computing environment. A UUID is a 16-byte (128-bit) number
+    generated by some algorithm that is meant to guarantee that the
+    UUID will be unique in the distributed computing environment where
+    it is used. The acronym GUID is often used instead, \e{G}lobally
+    \e{U}nique \e{ID}entifiers, but it refers to the same thing.
+
+    \target Variant field
+    Actually, the GUID is one \e{variant} of UUID. Multiple variants
+    are in use. Each UUID contains a bit field that specifies which
+    type (variant) of UUID it is. Call variant() to discover which
+    type of UUID an instance of QUuid contains. It extracts the three
+    most signifcant bits of byte 8 of the 16 bytes. In QUuid, byte 8
+    is \c{QUuid::data4[0]}. If you create instances of QUuid using the
+    constructor that accepts all the numeric values as parameters, use
+    the following table to set the three most significant bits of
+    parameter \c{b1}, which becomes \c{QUuid::data4[0]} and contains
+    the variant field in its three most significant bits. In the
+    table, 'x' means \e {don't care}.
+
+    \table
+    \header
+    \o msb0
+    \o msb1
+    \o msb2
+    \o Variant 
+
+    \row
+    \o 0
+    \o x
+    \o x
+    \o NCS (Network Computing System)
+
+    \row
+    \o 1
+    \o 0
+    \o x
+    \o DCE (Distributed Computing Environment)
+
+    \row
+    \o 1
+    \o 1
+    \o 0
+    \o Microsoft (GUID)
+
+    \row
+    \o 1
+    \o 1
+    \o 1
+    \o Reserved for future expansion
+
+    \endtable
+
+    \target Version field
+    If variant() returns QUuid::DCE, the UUID also contains a
+    \e{version} field in the four most significant bits of
+    \c{QUuid::data3}, and you can call version() to discover which
+    version your QUuid contains. If you create instances of QUuid
+    using the constructor that accepts all the numeric values as
+    parameters, use the following table to set the four most
+    significant bits of parameter \c{w2}, which becomes
+    \c{QUuid::data3} and contains the version field in its four most
+    significant bits.
+
+    \table
+    \header
+    \o msb0
+    \o msb1
+    \o msb2
+    \o msb3
+    \o Version
+
+    \row
+    \o 0
+    \o 0
+    \o 0
+    \o 1
+    \o Time
+
+    \row
+    \o 0
+    \o 0
+    \o 1
+    \o 0
+    \o Embedded POSIX
+
+    \row
+    \o 0
+    \o 0
+    \o 1
+    \o 1
+    \o Name
+
+    \row
+    \o 0
+    \o 1
+    \o 0
+    \o 0
+    \o Random
+
+    \endtable
+
+    The field layouts for the DCE versions listed in the table above
+    are specified in the \l{http://www.ietf.org/rfc/rfc4122.txt}
+    {Network Working Group UUID Specification}.
+    
+    Most platforms provide a tool for generating new UUIDs, e.g. \c
+    uuidgen and \c guidgen. You can also use createUuid().  UUIDs
+    generated by createUuid() are of the random type.  Their
+    QUuid::Version bits are set to QUuid::Random, and their
+    QUuid::Variant bits are set to QUuid::DCE. The rest of the UUID is
+    composed of random numbers. Theoretically, this means there is a
+    small chance that a UUID generated by createUuid() will not be
+    unique. But it is
+    \l{http://en.wikipedia.org/wiki/Universally_Unique_Identifier#Random_UUID_probability_of_duplicates}
+    {a \e{very} small chance}.
+
+    UUIDs can be constructed from numeric values or from strings, or
+    using the static createUuid() function. They can be converted to a
+    string with toString(). UUIDs have a variant() and a version(),
+    and null UUIDs return true from isNull().
+*/
+
+/*!
+    \fn QUuid::QUuid(const GUID &guid)
+
+    Casts a Windows \a guid to a Qt QUuid.
+
+    \warning This function is only for Windows platforms.
+*/
+
+/*!
+    \fn QUuid &QUuid::operator=(const GUID &guid)
+
+    Assigns a Windows \a guid to a Qt QUuid.
+
+    \warning This function is only for Windows platforms.
+*/
+
+/*!
+    \fn QUuid::operator GUID() const
+
+    Returns a Windows GUID from a QUuid.
+
+    \warning This function is only for Windows platforms.
+*/
+
+/*!
+    \fn QUuid::QUuid()
+
+    Creates the null UUID. toString() will output the null UUID
+    as "{00000000-0000-0000-0000-000000000000}".
+*/
+
+/*!
+    \fn QUuid::QUuid(uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3, uchar b4, uchar b5, uchar b6, uchar b7, uchar b8)
+
+    Creates a UUID with the value specified by the parameters, \a l,
+    \a w1, \a w2, \a b1, \a b2, \a b3, \a b4, \a b5, \a b6, \a b7, \a
+    b8.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_plugin_quuid.cpp 0
+*/
+
+#ifndef QT_NO_QUUID_STRING
+/*!
+  Creates a QUuid object from the string \a text, which must be
+  formatted as five hex fields separated by '-', e.g.,
+  "{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}" where 'x' is a hex
+  digit. The curly braces shown here are optional, but it is normal to
+  include them. If the conversion fails, a null UUID is created.  See
+  toString() for an explanation of how the five hex fields map to the
+  public data members in QUuid.
+
+    \sa toString(), QUuid()
+*/
+QUuid::QUuid(const QString &text)
+{
+    bool ok;
+    if (text.isEmpty()) {
+        *this = QUuid();
+        return;
+    }
+    QString temp = text.toUpper();
+    if (temp[0] != QLatin1Char('{'))
+        temp = QLatin1Char('{') + text;
+    if (text[(int)text.length()-1] != QLatin1Char('}'))
+        temp += QLatin1Char('}');
+
+    data1 = temp.mid(1, 8).toULongLong(&ok, 16);
+    if (!ok) {
+        *this = QUuid();
+        return;
+    }
+
+    data2 = temp.mid(10, 4).toUInt(&ok, 16);
+    if (!ok) {
+        *this = QUuid();
+        return;
+    }
+    data3 = temp.mid(15, 4).toUInt(&ok, 16);
+    if (!ok) {
+        *this = QUuid();
+        return;
+    }
+    data4[0] = temp.mid(20, 2).toUInt(&ok, 16);
+    if (!ok) {
+        *this = QUuid();
+        return;
+    }
+    data4[1] = temp.mid(22, 2).toUInt(&ok, 16);
+    if (!ok) {
+        *this = QUuid();
+        return;
+    }
+    for (int i = 2; i<8; i++) {
+        data4[i] = temp.mid(25 + (i-2)*2, 2).toUShort(&ok, 16);
+        if (!ok) {
+            *this = QUuid();
+            return;
+        }
+    }
+}
+
+/*!
+    \internal
+*/
+QUuid::QUuid(const char *text)
+{
+    *this = QUuid(QString::fromLatin1(text));
+}
+#endif
+
+/*!
+    \fn bool QUuid::operator==(const QUuid &other) const
+
+    Returns true if this QUuid and the \a other QUuid are identical;
+    otherwise returns false.
+*/
+
+/*!
+    \fn bool QUuid::operator!=(const QUuid &other) const
+
+    Returns true if this QUuid and the \a other QUuid are different;
+    otherwise returns false.
+*/
+#ifndef QT_NO_QUUID_STRING
+/*!
+    \fn QUuid::operator QString() const
+
+    Returns the string representation of the uuid.
+
+    \sa toString()
+*/
+
+static QString uuidhex(uint data, int digits)
+{
+    return QString::number(data, 16).rightJustified(digits, QLatin1Char('0'));
+}
+
+/*!
+    Returns the string representation of this QUuid. The string is
+    formatted as five hex fields separated by '-' and enclosed in
+    curly braces, i.e., "{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}" where
+    'x' is a hex digit.  From left to right, the five hex fields are
+    obtained from the four public data members in QUuid as follows:
+
+    \table
+    \header
+    \o Field #
+    \o Source
+    
+    \row
+    \o 1
+    \o data1
+    
+    \row
+    \o 2
+    \o data2
+    
+    \row
+    \o 3
+    \o data3
+    
+    \row
+    \o 4
+    \o data4[0] .. data4[1]
+    
+    \row
+    \o 5
+    \o data4[2] .. data4[7]
+
+    \endtable
+*/
+QString QUuid::toString() const
+{
+    QString result;
+
+    QChar dash = QLatin1Char('-');
+    result = QLatin1Char('{') + uuidhex(data1,8);
+    result += dash;
+    result += uuidhex(data2,4);
+    result += dash;
+    result += uuidhex(data3,4);
+    result += dash;
+    result += uuidhex(data4[0],2);
+    result += uuidhex(data4[1],2);
+    result += dash;
+    for (int i = 2; i < 8; i++)
+        result += uuidhex(data4[i],2);
+
+    return result + QLatin1Char('}');
+}
+#endif
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    \relates QUuid
+    Writes the UUID \a id to the data stream \a s.
+*/
+QDataStream &operator<<(QDataStream &s, const QUuid &id)
+{
+    s << (quint32)id.data1;
+    s << (quint16)id.data2;
+    s << (quint16)id.data3;
+    for (int i = 0; i < 8; i++)
+        s << (quint8)id.data4[i];
+    return s;
+}
+
+/*!
+    \relates QUuid
+    Reads a UUID from the stream \a s into \a id.
+*/
+QDataStream &operator>>(QDataStream &s, QUuid &id)
+{
+    quint32 u32;
+    quint16 u16;
+    quint8 u8;
+    s >> u32;
+    id.data1 = u32;
+    s >> u16;
+    id.data2 = u16;
+    s >> u16;
+    id.data3 = u16;
+    for (int i = 0; i < 8; i++) {
+        s >> u8;
+        id.data4[i] = u8;
+    }
+    return s;
+}
+#endif
+
+/*!
+    Returns true if this is the null UUID
+    {00000000-0000-0000-0000-000000000000}; otherwise returns false.
+*/
+bool QUuid::isNull() const
+{
+    return data4[0] == 0 && data4[1] == 0 && data4[2] == 0 && data4[3] == 0 &&
+           data4[4] == 0 && data4[5] == 0 && data4[6] == 0 && data4[7] == 0 &&
+           data1 == 0 && data2 == 0 && data3 == 0;
+}
+
+/*!
+    \enum QUuid::Variant
+
+    This enum defines the values used in the \l{Variant field}
+    {variant field} of the UUID. The value in the variant field
+    determines the layout of the 128-bit value.
+
+    \value VarUnknown Variant is unknown
+    \value NCS Reserved for NCS (Network Computing System) backward compatibility
+    \value DCE Distributed Computing Environment, the scheme used by QUuid
+    \value Microsoft Reserved for Microsoft backward compatibility (GUID)
+    \value Reserved Reserved for future definition
+*/
+
+/*!
+    \enum QUuid::Version
+
+    This enum defines the values used in the \l{Version field}
+    {version field} of the UUID. The version field is meaningful
+    only if the value in the \l{Variant field} {variant field}
+    is QUuid::DCE.
+
+    \value VerUnknown Version is unknown
+    \value Time Time-based, by using timestamp, clock sequence, and
+    MAC network card address (if available) for the node sections
+    \value EmbeddedPOSIX DCE Security version, with embedded POSIX UUIDs
+    \value Name Name-based, by using values from a name for all sections
+    \value Random Random-based, by using random numbers for all sections
+*/
+
+/*!
+    \fn QUuid::Variant QUuid::variant() const
+
+    Returns the value in the \l{Variant field} {variant field} of the
+    UUID. If the return value is QUuid::DCE, call version() to see
+    which layout it uses. The null UUID is considered to be of an
+    unknown variant.
+
+    \sa version()
+*/
+QUuid::Variant QUuid::variant() const
+{
+    if (isNull())
+        return VarUnknown;
+    // Check the 3 MSB of data4[0]
+    if ((data4[0] & 0x80) == 0x00) return NCS;
+    else if ((data4[0] & 0xC0) == 0x80) return DCE;
+    else if ((data4[0] & 0xE0) == 0xC0) return Microsoft;
+    else if ((data4[0] & 0xE0) == 0xE0) return Reserved;
+    return VarUnknown;
+}
+
+/*!
+    \fn QUuid::Version QUuid::version() const
+
+    Returns the \l{Version field} {version field} of the UUID, if the
+    UUID's \l{Variant field} {variant field} is QUuid::DCE. Otherwise
+    it returns QUuid::VerUnknown.
+
+    \sa variant()
+*/
+QUuid::Version QUuid::version() const
+{
+    // Check the 4 MSB of data3
+    Version ver = (Version)(data3>>12);
+    if (isNull()
+         || (variant() != DCE)
+         || ver < Time
+         || ver > Random)
+        return VerUnknown;
+    return ver;
+}
+
+/*!
+    \fn bool QUuid::operator<(const QUuid &other) const
+
+    Returns true if this QUuid has the same \l{Variant field}
+    {variant field} as the \a other QUuid and is lexicographically
+    \e{before} the \a other QUuid. If the \a other QUuid has a
+    different variant field, the return value is determined by
+    comparing the two \l{QUuid::Variant} {variants}.
+
+    \sa variant()
+*/
+#define ISLESS(f1, f2) if (f1!=f2) return (f1<f2);
+bool QUuid::operator<(const QUuid &other) const
+{
+    if (variant() != other.variant())
+        return variant() < other.variant();
+
+    ISLESS(data1, other.data1);
+    ISLESS(data2, other.data2);
+    ISLESS(data3, other.data3);
+    for (int n = 0; n < 8; n++) {
+        ISLESS(data4[n], other.data4[n]);
+    }
+    return false;
+}
+
+/*!
+    \fn bool QUuid::operator>(const QUuid &other) const
+
+    Returns true if this QUuid has the same \l{Variant field}
+    {variant field} as the \a other QUuid and is lexicographically
+    \e{after} the \a other QUuid. If the \a other QUuid has a
+    different variant field, the return value is determined by
+    comparing the two \l{QUuid::Variant} {variants}.
+
+    \sa variant()
+*/
+#define ISMORE(f1, f2) if (f1!=f2) return (f1>f2);
+bool QUuid::operator>(const QUuid &other) const
+{
+    if (variant() != other.variant())
+        return variant() > other.variant();
+
+    ISMORE(data1, other.data1);
+    ISMORE(data2, other.data2);
+    ISMORE(data3, other.data3);
+    for (int n = 0; n < 8; n++) {
+        ISMORE(data4[n], other.data4[n]);
+    }
+    return false;
+}
+
+/*!
+    \fn QUuid QUuid::createUuid()
+
+    On any platform other than Windows, this function returns a new
+    UUID with variant QUuid::DCE and version QUuid::Random. The random
+    numbers used to construct the UUID are obtained from the local
+    pseudo-random generator, which is usually not a cryptographic
+    quality random number generator. Therefore, a UUID generated by
+    this function can't be guaranteed to be unique.
+
+    On a Windows platform, a GUID is generated, which almost certainly
+    \e{will} be unique, on this or any other system, networked or not.
+
+    \sa variant(), version()
+*/
+#if defined(Q_OS_WIN32)
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <objbase.h> // For CoCreateGuid
+QT_END_INCLUDE_NAMESPACE
+
+QUuid QUuid::createUuid()
+{
+    GUID guid;
+    CoCreateGuid(&guid);
+    QUuid result = guid;
+    return result;
+}
+
+#else // !Q_OS_WIN32
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include "qdatetime.h"
+#include "stdlib.h" // For srand/rand
+QT_END_INCLUDE_NAMESPACE
+
+QUuid QUuid::createUuid()
+{
+    static const int intbits = sizeof(int)*8;
+    static int randbits = 0;
+    if (!randbits) {
+        int max = RAND_MAX;
+        do { ++randbits; } while ((max=max>>1));
+        qsrand((uint)QDateTime::currentDateTime().toTime_t());
+        qrand(); // Skip first
+    }
+
+    QUuid result;
+    uint *data = &(result.data1);
+    int chunks = 16 / sizeof(uint);
+    while (chunks--) {
+        uint randNumber = 0;
+        for (int filled = 0; filled < intbits; filled += randbits)
+            randNumber |= qrand()<<filled;
+         *(data+chunks) = randNumber;
+    }
+
+    result.data4[0] = (result.data4[0] & 0x3F) | 0x80;        // UV_DCE
+    result.data3 = (result.data3 & 0x0FFF) | 0x4000;        // UV_Random
+
+    return result;
+}
+#endif // !Q_OS_WIN32
+
+/*!
+    \fn bool QUuid::operator==(const GUID &guid) const
+
+    Returns true if this UUID is equal to the Windows GUID \a guid;
+    otherwise returns false.
+*/
+
+/*!
+    \fn bool QUuid::operator!=(const GUID &guid) const
+
+    Returns true if this UUID is not equal to the Windows GUID \a
+    guid; otherwise returns false.
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/plugin/quuid.h b/src/corelib/plugin/quuid.h
new file mode 100644
index 0000000000..95716d46a8
--- /dev/null
+++ b/src/corelib/plugin/quuid.h
@@ -0,0 +1,190 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QUUID_H
+#define QUUID_H
+
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+#if defined(Q_OS_WIN)
+#ifndef GUID_DEFINED
+#define GUID_DEFINED
+typedef struct _GUID
+{
+    ulong   Data1;
+    ushort  Data2;
+    ushort  Data3;
+    uchar   Data4[8];
+} GUID, *REFGUID, *LPGUID;
+#endif
+#endif
+
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+struct Q_CORE_EXPORT QUuid
+{
+    enum Variant {
+        VarUnknown        =-1,
+        NCS                = 0, // 0 - -
+        DCE                = 2, // 1 0 -
+        Microsoft        = 6, // 1 1 0
+        Reserved        = 7  // 1 1 1
+    };
+
+    enum Version {
+        VerUnknown        =-1,
+        Time                = 1, // 0 0 0 1
+        EmbeddedPOSIX        = 2, // 0 0 1 0
+        Name                = 3, // 0 0 1 1
+        Random                = 4  // 0 1 0 0
+    };
+
+    QUuid()
+    {
+        data1 = 0;
+        data2 = 0;
+        data3 = 0;
+        for(int i = 0; i < 8; i++)
+            data4[i] = 0;
+    }
+    QUuid(uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3, uchar b4, uchar b5, uchar b6, uchar b7, uchar b8)
+    {
+        data1 = l;
+        data2 = w1;
+        data3 = w2;
+        data4[0] = b1;
+        data4[1] = b2;
+        data4[2] = b3;
+        data4[3] = b4;
+        data4[4] = b5;
+        data4[5] = b6;
+        data4[6] = b7;
+        data4[7] = b8;
+    }
+#ifndef QT_NO_QUUID_STRING
+    QUuid(const QString &);
+    QUuid(const char *);
+    QString toString() const;
+    operator QString() const { return toString(); }
+#endif
+    bool isNull() const;
+
+    bool operator==(const QUuid &orig) const
+    {
+        uint i;
+        if (data1 != orig.data1 || data2 != orig.data2 ||
+             data3 != orig.data3)
+            return false;
+
+        for(i = 0; i < 8; i++)
+            if (data4[i] != orig.data4[i])
+                return false;
+
+        return true;
+    }
+
+    bool operator!=(const QUuid &orig) const
+    {
+        return !(*this == orig);
+    }
+
+    bool operator<(const QUuid &other) const;
+    bool operator>(const QUuid &other) const;
+
+#if defined(Q_OS_WIN)
+    // On Windows we have a type GUID that is used by the platform API, so we
+    // provide convenience operators to cast from and to this type.
+    QUuid(const GUID &guid)
+    {
+        data1 = guid.Data1;
+        data2 = guid.Data2;
+        data3 = guid.Data3;
+        for(int i = 0; i < 8; i++)
+            data4[i] = guid.Data4[i];
+    }
+
+    QUuid &operator=(const GUID &guid)
+    {
+        *this = QUuid(guid);
+        return *this;
+    }
+
+    operator GUID() const
+    {
+        GUID guid = { data1, data2, data3, { data4[0], data4[1], data4[2], data4[3], data4[4], data4[5], data4[6], data4[7] } };
+        return guid;
+    }
+
+    bool operator==(const GUID &guid) const
+    {
+        return *this == QUuid(guid);
+    }
+
+    bool operator!=(const GUID &guid) const
+    {
+        return !(*this == guid);
+    }
+#endif
+    static QUuid createUuid();
+    QUuid::Variant variant() const;
+    QUuid::Version version() const;
+
+    uint    data1;
+    ushort  data2;
+    ushort  data3;
+    uchar   data4[8];
+};
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QUuid &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QUuid &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QUUID_H
diff --git a/src/corelib/thread/qatomic.cpp b/src/corelib/thread/qatomic.cpp
new file mode 100644
index 0000000000..f426feb22d
--- /dev/null
+++ b/src/corelib/thread/qatomic.cpp
@@ -0,0 +1,1127 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \class QAtomicInt
+    \brief The QAtomicInt class provides platform-independent atomic operations on integers.
+    \since 4.4
+
+    \ingroup thread
+
+    For atomic operations on pointers, see the QAtomicPointer class.
+
+    An complex operation that completes without interruption is said
+    to be \e atomic. The QAtomicInt class provides atomic reference
+    counting, test-and-set, fetch-and-store, and fetch-and-add for
+    integers.
+
+    \section1 Non-atomic convenience operators
+
+    For convenience, QAtomicInt provides integer comparison, cast, and
+    assignment operators. Note that a combination of these operators
+    is \e not an atomic operation.
+
+    \section1 The Atomic API
+
+    \section2 Reference counting
+
+    The ref() and deref() functions provide an efficient reference
+    counting API. The return value of these functions are used to
+    indicate when the last reference has been released. These
+    functions allow you to implement your own implicitly shared
+    classes.
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qatomic.cpp 0
+
+    \section2 Memory ordering
+
+    QAtomicInt provides several implementations of the atomic
+    test-and-set, fetch-and-store, and fetch-and-add functions. Each
+    implementation defines a memory ordering semantic that describes
+    how memory accesses surrounding the atomic instruction are
+    executed by the processor. Since many modern architectures allow
+    out-of-order execution and memory ordering, using the correct
+    semantic is necessary to ensure that your application functions
+    properly on all processors.
+
+    \list
+
+    \o Relaxed - memory ordering is unspecified, leaving the compiler
+    and processor to freely reorder memory accesses.
+
+    \o Acquire - memory access following the atomic operation (in
+    program order) may not be re-ordered before the atomic operation.
+
+    \o Release - memory access before the atomic operation (in program
+    order) may not be re-ordered after the atomic operation.
+
+    \o Ordered - the same Acquire and Release semantics combined.
+
+    \endlist
+
+    \section2 Test-and-set
+
+    If the current value of the QAtomicInt is an expected value, the
+    test-and-set functions assign a new value to the QAtomicInt and
+    return true. If values are \a not the same, these functions do
+    nothing and return false. This operation equates to the following
+    code:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qatomic.cpp 1
+
+    There are 4 test-and-set functions: testAndSetRelaxed(),
+    testAndSetAcquire(), testAndSetRelease(), and
+    testAndSetOrdered(). See above for an explanation of the different
+    memory ordering semantics.
+
+    \section2 Fetch-and-store
+
+    The atomic fetch-and-store functions read the current value of the
+    QAtomicInt and then assign a new value, returning the original
+    value. This operation equates to the following code:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qatomic.cpp 2
+
+    There are 4 fetch-and-store functions: fetchAndStoreRelaxed(),
+    fetchAndStoreAcquire(), fetchAndStoreRelease(), and
+    fetchAndStoreOrdered(). See above for an explanation of the
+    different memory ordering semantics.
+
+    \section2 Fetch-and-add
+
+    The atomic fetch-and-add functions read the current value of the
+    QAtomicInt and then add the given value to the current value,
+    returning the original value. This operation equates to the
+    following code:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qatomic.cpp 3
+
+    There are 4 fetch-and-add functions: fetchAndAddRelaxed(),
+    fetchAndAddAcquire(), fetchAndAddRelease(), and
+    fetchAndAddOrdered(). See above for an explanation of the
+    different memory ordering semantics.
+
+    \section1 Feature Tests for the Atomic API
+
+    Providing a platform-independent atomic API that works on all
+    processors is challenging. The API provided by QAtomicInt is
+    guaranteed to work atomically on all processors. However, since
+    not all processors implement support for every operation provided
+    by QAtomicInt, it is necessary to expose information about the
+    processor.
+
+    You can check at compile time which features are supported on your
+    hardware using various macros. These will tell you if your
+    hardware always, sometimes, or does not support a particular
+    operation. The macros have the form
+    Q_ATOMIC_INT_\e{OPERATION}_IS_\e{HOW}_NATIVE. \e{OPERATION}
+    is one of REFERENCE_COUNTING, TEST_AND_SET,
+    FETCH_AND_STORE, or FETCH_AND_ADD, and \e{HOW} is one of
+    ALWAYS, SOMETIMES, or NOT. There will always be exactly one
+    defined macro per operation. For example, if
+    Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE is defined,
+    neither Q_ATOMIC_INT_REFERENCE_COUNTING_IS_SOMETIMES_NATIVE nor
+    Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE will be defined.
+
+    An operation that completes in constant time is said to be
+    wait-free. Such operations are not implemented using locks or
+    loops of any kind. For atomic operations that are always
+    supported, and that are wait-free, Qt defines the
+    Q_ATOMIC_INT_\e{OPERATION}_IS_WAIT_FREE in addition to the
+    Q_ATOMIC_INT_\e{OPERATION}_IS_ALWAYS_NATIVE.
+
+    In cases where an atomic operation is only supported in newer
+    generations of the processor, QAtomicInt also provides a way to
+    check at runtime what your hardware supports with the
+    isReferenceCountingNative(), isTestAndSetNative(),
+    isFetchAndStoreNative(), and isFetchAndAddNative()
+    functions. Wait-free implementations can be detected using the
+    isReferenceCountingWaitFree(), isTestAndSetWaitFree(),
+    isFetchAndStoreWaitFree(), and isFetchAndAddWaitFree() functions.
+
+    Below is a complete list of all feature macros for QAtomicInt:
+
+    \list
+
+    \o Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+    \o Q_ATOMIC_INT_REFERENCE_COUNTING_IS_SOMETIMES_NATIVE
+    \o Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+    \o Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE
+
+    \o Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+    \o Q_ATOMIC_INT_TEST_AND_SET_IS_SOMETIMES_NATIVE
+    \o Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+    \o Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
+
+    \o Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+    \o Q_ATOMIC_INT_FETCH_AND_STORE_IS_SOMETIMES_NATIVE
+    \o Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE
+    \o Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+
+    \o Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+    \o Q_ATOMIC_INT_FETCH_AND_ADD_IS_SOMETIMES_NATIVE
+    \o Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+    \o Q_ATOMIC_INT_FETCH_AND_ADD_IS_WAIT_FREE
+
+    \endlist
+
+    \sa QAtomicPointer
+*/
+
+/*! \fn QAtomicInt::QAtomicInt(int value)
+
+    Constructs a QAtomicInt with the given \a value.
+*/
+
+/*! \fn QAtomicInt::QAtomicInt(const QAtomicInt &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn QAtomicInt &QAtomicInt::operator=(int value)
+
+    Assigns the \a value to this QAtomicInt and returns a reference to
+    this QAtomicInt.
+*/
+
+/*! \fn QAtomicInt &QAtomicInt::operator=(const QAtomicInt &other)
+
+    Assigns \a other to this QAtomicInt and returns a reference to
+    this QAtomicInt.
+*/
+
+/*! \fn bool QAtomicInt::operator==(int value) const
+
+    Returns true if the \a value is equal to the value in this
+    QAtomicInt; otherwise returns false.
+*/
+
+/*! \fn bool QAtomicInt::operator!=(int value) const
+
+    Returns true if the value of this QAtomicInt is not equal to \a
+    value; otherwise returns false.
+*/
+
+/*! \fn bool QAtomicInt::operator!() const
+
+    Returns true is the value of this QAtomicInt is zero; otherwise
+    returns false.
+*/
+
+/*! \fn QAtomicInt::operator int() const
+
+    Returns the value stored by the QAtomicInt object as an integer.
+*/
+
+/*! \fn bool QAtomicInt::isReferenceCountingNative()
+
+    Returns true if reference counting is implemented using atomic
+    processor instructions, false otherwise.
+*/
+
+/*! \fn bool QAtomicInt::isReferenceCountingWaitFree()
+
+    Returns true if atomic reference counting is wait-free, false
+    otherwise.
+*/
+
+/*! \fn bool QAtomicInt::ref()
+    Atomically increments the value of this QAtomicInt. Returns true
+    if the new value is non-zero, false otherwise.
+
+    This function uses \e ordered \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before and after the atomic operation (in program order)
+    may not be re-ordered.
+
+    \sa deref()
+*/
+
+/*! \fn bool QAtomicInt::deref()
+    Atomically decrements the value of this QAtomicInt. Returns true
+    if the new value is non-zero, false otherwise.
+
+    This function uses \e ordered \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before and after the atomic operation (in program order)
+    may not be re-ordered.
+
+    \sa ref()
+*/
+
+/*! \fn bool QAtomicInt::isTestAndSetNative()
+
+    Returns true if test-and-set is implemented using atomic processor
+    instructions, false otherwise.
+*/
+
+/*! \fn bool QAtomicInt::isTestAndSetWaitFree()
+
+    Returns true if atomic test-and-set is wait-free, false otherwise.
+*/
+
+/*! \fn bool QAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+
+    Atomic test-and-set.
+
+    If the current value of this QAtomicInt is the \a expectedValue,
+    the test-and-set functions assign the \a newValue to this
+    QAtomicInt and return true. If the values are \e not the same,
+    this function does nothing and returns false.
+
+    This function uses \e relaxed \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, leaving the compiler and
+    processor to freely reorder memory accesses.
+*/
+
+/*! \fn bool QAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+
+    Atomic test-and-set.
+
+    If the current value of this QAtomicInt is the \a expectedValue,
+    the test-and-set functions assign the \a newValue to this
+    QAtomicInt and return true. If the values are \e not the same,
+    this function does nothing and returns false.
+
+    This function uses \e acquire \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access following the atomic operation (in program order) may not
+    be re-ordered before the atomic operation.
+*/
+
+/*! \fn bool QAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+
+    Atomic test-and-set.
+
+    If the current value of this QAtomicInt is the \a expectedValue,
+    the test-and-set functions assign the \a newValue to this
+    QAtomicInt and return true. If the values are \e not the same,
+    this function does nothing and returns false.
+
+    This function uses \e release \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before the atomic operation (in program order) may not be
+    re-ordered after the atomic operation.
+*/
+
+/*! \fn bool QAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+
+    Atomic test-and-set.
+
+    If the current value of this QAtomicInt is the \a expectedValue,
+    the test-and-set functions assign the \a newValue to this
+    QAtomicInt and return true. If the values are \e not the same,
+    this function does nothing and returns false.
+
+    This function uses \e ordered \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before and after the atomic operation (in program order)
+    may not be re-ordered.
+*/
+
+/*! \fn bool QAtomicInt::isFetchAndStoreNative()
+
+    Returns true if fetch-and-store is implemented using atomic
+    processor instructions, false otherwise.
+*/
+
+/*! \fn bool QAtomicInt::isFetchAndStoreWaitFree()
+
+    Returns true if atomic fetch-and-store is wait-free, false
+    otherwise.
+*/
+
+/*! \fn int QAtomicInt::fetchAndStoreRelaxed(int newValue)
+
+    Atomic fetch-and-store.
+
+    Reads the current value of this QAtomicInt and then assigns it the
+    \a newValue, returning the original value.
+
+    This function uses \e relaxed \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, leaving the compiler and
+    processor to freely reorder memory accesses.
+*/
+
+/*! \fn int QAtomicInt::fetchAndStoreAcquire(int newValue)
+
+    Atomic fetch-and-store.
+
+    Reads the current value of this QAtomicInt and then assigns it the
+    \a newValue, returning the original value.
+
+    This function uses \e acquire \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access following the atomic operation (in program order) may not
+    be re-ordered before the atomic operation.
+*/
+
+/*! \fn int QAtomicInt::fetchAndStoreRelease(int newValue)
+
+    Atomic fetch-and-store.
+
+    Reads the current value of this QAtomicInt and then assigns it the
+    \a newValue, returning the original value.
+
+    This function uses \e release \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before the atomic operation (in program order) may not be
+    re-ordered after the atomic operation.
+*/
+
+/*! \fn int QAtomicInt::fetchAndStoreOrdered(int newValue)
+
+    Atomic fetch-and-store.
+
+    Reads the current value of this QAtomicInt and then assigns it the
+    \a newValue, returning the original value.
+
+    This function uses \e ordered \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before and after the atomic operation (in program order)
+    may not be re-ordered.
+*/
+
+/*! \fn bool QAtomicInt::isFetchAndAddNative()
+
+    Returns true if fetch-and-add is implemented using atomic
+    processor instructions, false otherwise.
+*/
+
+/*! \fn bool QAtomicInt::isFetchAndAddWaitFree()
+
+    Returns true if atomic fetch-and-add is wait-free, false
+    otherwise.
+*/
+
+/*! \fn int QAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+
+    Atomic fetch-and-add.
+
+    Reads the current value of this QAtomicInt and then adds
+    \a valueToAdd to the current value, returning the original value.
+
+    This function uses \e relaxed \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, leaving the compiler and
+    processor to freely reorder memory accesses.
+*/
+
+/*! \fn int QAtomicInt::fetchAndAddAcquire(int valueToAdd)
+
+    Atomic fetch-and-add.
+
+    Reads the current value of this QAtomicInt and then adds
+    \a valueToAdd to the current value, returning the original value.
+
+    This function uses \e acquire \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access following the atomic operation (in program order) may not
+    be re-ordered before the atomic operation.
+*/
+
+/*! \fn int QAtomicInt::fetchAndAddRelease(int valueToAdd)
+
+    Atomic fetch-and-add.
+
+    Reads the current value of this QAtomicInt and then adds
+    \a valueToAdd to the current value, returning the original value.
+
+    This function uses \e release \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before the atomic operation (in program order) may not be
+    re-ordered after the atomic operation.
+*/
+
+/*! \fn int QAtomicInt::fetchAndAddOrdered(int valueToAdd)
+
+    Atomic fetch-and-add.
+
+    Reads the current value of this QAtomicInt and then adds
+    \a valueToAdd to the current value, returning the original value.
+
+    This function uses \e ordered \l {QAtomicInt#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before and after the atomic operation (in program order)
+    may not be re-ordered.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined if and only if all generations of your
+    processor support atomic reference counting.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_REFERENCE_COUNTING_IS_SOMETIMES_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined when only certain generations of the
+    processor support atomic reference counting. Use the
+    QAtomicInt::isReferenceCountingNative() function to check what
+    your processor supports.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined when the hardware does not support atomic
+    reference counting.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE
+    \relates QAtomicInt
+
+    This macro is defined together with
+    Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE to indicate that
+    the reference counting is wait-free.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined if and only if your processor supports
+    atomic test-and-set on integers.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_TEST_AND_SET_IS_SOMETIMES_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined when only certain generations of the
+    processor support atomic test-and-set on integers. Use the
+    QAtomicInt::isTestAndSetNative() function to check what your
+    processor supports.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined when the hardware does not support atomic
+    test-and-set on integers.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE
+    \relates QAtomicInt
+
+    This macro is defined together with
+    Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE to indicate that the
+    atomic test-and-set on integers is wait-free.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined if and only if your processor supports
+    atomic fetch-and-store on integers.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_FETCH_AND_STORE_IS_SOMETIMES_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined when only certain generations of the
+    processor support atomic fetch-and-store on integers. Use the
+    QAtomicInt::isFetchAndStoreNative() function to check what your
+    processor supports.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined when the hardware does not support atomic
+    fetch-and-store on integers.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE
+    \relates QAtomicInt
+
+    This macro is defined together with
+    Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE to indicate that the
+    atomic fetch-and-store on integers is wait-free.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined if and only if your processor supports
+    atomic fetch-and-add on integers.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_FETCH_AND_ADD_IS_SOMETIMES_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined when only certain generations of the
+    processor support atomic fetch-and-add on integers. Use the
+    QAtomicInt::isFetchAndAddNative() function to check what your
+    processor supports.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+    \relates QAtomicInt
+
+    This macro is defined when the hardware does not support atomic
+    fetch-and-add on integers.
+*/
+
+/*!
+    \macro Q_ATOMIC_INT_FETCH_AND_ADD_IS_WAIT_FREE
+    \relates QAtomicInt
+
+    This macro is defined together with
+    Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE to indicate that the
+    atomic fetch-and-add on integers is wait-free.
+*/
+
+
+
+
+/*!
+    \class QAtomicPointer
+    \brief The QAtomicPointer class is a template class that provides platform-independent atomic operations on pointers.
+    \since 4.4
+
+    \ingroup thread
+
+    For atomic operations on integers, see the QAtomicInt class.
+
+    An complex operation that completes without interruption is said
+    to be \e atomic. The QAtomicPointer class provides atomic
+    test-and-set, fetch-and-store, and fetch-and-add for pointers.
+
+    \section1 Non-atomic convenience operators
+
+    For convenience, QAtomicPointer provides pointer comparison, cast,
+    dereference, and assignment operators. Note that these operators
+    are \e not atomic.
+
+    \section1 The Atomic API
+
+    \section2 Memory ordering
+
+    QAtomicPointer provides several implementations of the atomic
+    test-and-set, fetch-and-store, and fetch-and-add functions. Each
+    implementation defines a memory ordering semantic that describes
+    how memory accesses surrounding the atomic instruction are
+    executed by the processor. Since many modern architectures allow
+    out-of-order execution and memory ordering, using the correct
+    semantic is necessary to ensure that your application functions
+    properly on all processors.
+
+    \list
+
+    \o Relaxed - memory ordering is unspecified, leaving the compiler
+    and processor to freely reorder memory accesses.
+
+    \o Acquire - memory access following the atomic operation (in
+    program order) may not be re-ordered before the atomic operation.
+
+    \o Release - memory access before the atomic operation (in program
+    order) may not be re-ordered after the atomic operation.
+
+    \o Ordered - the same Acquire and Release semantics combined.
+
+    \endlist
+
+    \section2 Test-and-set
+
+    If the current value of the QAtomicPointer is an expected value,
+    the test-and-set functions assign a new value to the
+    QAtomicPointer and return true. If values are \a not the same,
+    these functions do nothing and return false. This operation
+    equates to the following code:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qatomic.cpp 4
+
+    There are 4 test-and-set functions: testAndSetRelaxed(),
+    testAndSetAcquire(), testAndSetRelease(), and
+    testAndSetOrdered(). See above for an explanation of the different
+    memory ordering semantics.
+
+    \section2 Fetch-and-store
+
+    The atomic fetch-and-store functions read the current value of the
+    QAtomicPointer and then assign a new value, returning the original
+    value. This operation equates to the following code:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qatomic.cpp 5
+
+    There are 4 fetch-and-store functions: fetchAndStoreRelaxed(),
+    fetchAndStoreAcquire(), fetchAndStoreRelease(), and
+    fetchAndStoreOrdered(). See above for an explanation of the
+    different memory ordering semantics.
+
+    \section2 Fetch-and-add
+
+    The atomic fetch-and-add functions read the current value of the
+    QAtomicPointer and then add the given value to the current value,
+    returning the original value. This operation equates to the
+    following code:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qatomic.cpp 6
+
+    There are 4 fetch-and-add functions: fetchAndAddRelaxed(),
+    fetchAndAddAcquire(), fetchAndAddRelease(), and
+    fetchAndAddOrdered(). See above for an explanation of the
+    different memory ordering semantics.
+
+    \section1 Feature Tests for the Atomic API
+
+    Providing a platform-independent atomic API that works on all
+    processors is challenging. The API provided by QAtomicPointer is
+    guaranteed to work atomically on all processors. However, since
+    not all processors implement support for every operation provided
+    by QAtomicPointer, it is necessary to expose information about the
+    processor.
+
+    You can check at compile time which features are supported on your
+    hardware using various macros. These will tell you if your
+    hardware always, sometimes, or does not support a particular
+    operation. The macros have the form
+    Q_ATOMIC_POINTER_\e{OPERATION}_IS_\e{HOW}_NATIVE. \e{OPERATION} is
+    one of TEST_AND_SET, FETCH_AND_STORE, or FETCH_AND_ADD, and
+    \e{HOW} is one of ALWAYS, SOMETIMES, or NOT. There will always be
+    exactly one defined macro per operation. For example, if
+    Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE is defined, neither
+    Q_ATOMIC_POINTER_TEST_AND_SET_IS_SOMETIMES_NATIVE nor
+    Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE will be defined.
+
+    An operation that completes in constant time is said to be
+    wait-free. Such operations are not implemented using locks or
+    loops of any kind. For atomic operations that are always
+    supported, and that are wait-free, Qt defines the
+    Q_ATOMIC_POINTER_\e{OPERATION}_IS_WAIT_FREE in addition to the
+    Q_ATOMIC_POINTER_\e{OPERATION}_IS_ALWAYS_NATIVE.
+
+    In cases where an atomic operation is only supported in newer
+    generations of the processor, QAtomicPointer also provides a way
+    to check at runtime what your hardware supports with the
+    isTestAndSetNative(), isFetchAndStoreNative(), and
+    isFetchAndAddNative() functions. Wait-free implementations can be
+    detected using the isTestAndSetWaitFree(),
+    isFetchAndStoreWaitFree(), and isFetchAndAddWaitFree() functions.
+
+    Below is a complete list of all feature macros for QAtomicPointer:
+
+    \list
+
+    \o Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+    \o Q_ATOMIC_POINTER_TEST_AND_SET_IS_SOMETIMES_NATIVE
+    \o Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+    \o Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
+
+    \o Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+    \o Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_SOMETIMES_NATIVE
+    \o Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE
+    \o Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+
+    \o Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+    \o Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_SOMETIMES_NATIVE
+    \o Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+    \o Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_WAIT_FREE
+
+    \endlist
+
+    \sa QAtomicInt
+*/
+
+/*! \fn QAtomicPointer::QAtomicPointer(T *value)
+
+    Constructs a QAtomicPointer with the given \a value.
+*/
+
+/*! \fn QAtomicPointer::QAtomicPointer(const QAtomicPointer<T> &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn QAtomicPointer<T> &QAtomicPointer::operator=(T *value)
+
+    Assigns the \a value to this QAtomicPointer and returns a
+    reference to this QAtomicPointer.
+*/
+
+/*! \fn QAtomicPointer<T> &QAtomicPointer::operator=(const QAtomicPointer<T> &other)
+
+    Assigns \a other to this QAtomicPointer and returns a reference to
+    this QAtomicPointer.
+*/
+
+/*! \fn bool QAtomicPointer::operator==(T *value) const
+
+    Returns true if the \a value is equal to the value in this
+    QAtomicPointer; otherwise returns false.
+*/
+
+/*! \fn bool QAtomicPointer::operator!=(T *value) const
+
+    Returns true if the value of this QAtomicPointer is not equal to
+    \a value; otherwise returns false.
+*/
+
+/*! \fn bool QAtomicPointer::operator!() const
+
+    Returns true is the current value of this QAtomicPointer is zero;
+    otherwise returns false.
+*/
+
+/*! \fn QAtomicPointer::operator T *() const
+
+    Returns the current pointer value stored by this QAtomicPointer
+    object.
+*/
+
+/*! \fn T *QAtomicPointer::operator->() const
+
+*/
+
+/*! \fn bool QAtomicPointer::isTestAndSetNative()
+
+    Returns true if test-and-set is implemented using atomic processor
+    instructions, false otherwise.
+*/
+
+/*! \fn bool QAtomicPointer::isTestAndSetWaitFree()
+
+    Returns true if atomic test-and-set is wait-free, false otherwise.
+*/
+
+/*! \fn bool QAtomicPointer::testAndSetRelaxed(T *expectedValue, T *newValue)
+
+    Atomic test-and-set.
+
+    If the current value of this QAtomicPointer is the \a expectedValue,
+    the test-and-set functions assign the \a newValue to this
+    QAtomicPointer and return true. If the values are \e not the same,
+    this function does nothing and returns false.
+
+    This function uses \e relaxed \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, leaving the compiler and
+    processor to freely reorder memory accesses.
+*/
+
+/*! \fn bool QAtomicPointer::testAndSetAcquire(T *expectedValue, T *newValue)
+
+    Atomic test-and-set.
+
+    If the current value of this QAtomicPointer is the \a expectedValue,
+    the test-and-set functions assign the \a newValue to this
+    QAtomicPointer and return true. If the values are \e not the same,
+    this function does nothing and returns false.
+
+    This function uses \e acquire \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access following the atomic operation (in program order) may not
+    be re-ordered before the atomic operation.
+*/
+
+/*! \fn bool QAtomicPointer::testAndSetRelease(T *expectedValue, T *newValue)
+
+    Atomic test-and-set.
+
+    If the current value of this QAtomicPointer is the \a expectedValue,
+    the test-and-set functions assign the \a newValue to this
+    QAtomicPointer and return true. If the values are \e not the same,
+    this function does nothing and returns false.
+
+    This function uses \e release \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before the atomic operation (in program order) may not be
+    re-ordered after the atomic operation.
+*/
+
+/*! \fn bool QAtomicPointer::testAndSetOrdered(T *expectedValue, T *newValue)
+
+    Atomic test-and-set.
+
+    If the current value of this QAtomicPointer is the \a expectedValue,
+    the test-and-set functions assign the \a newValue to this
+    QAtomicPointer and return true. If the values are \e not the same,
+    this function does nothing and returns false.
+
+    This function uses \e ordered \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before and after the atomic operation (in program order)
+    may not be re-ordered.
+*/
+
+/*! \fn bool QAtomicPointer::isFetchAndStoreNative()
+
+    Returns true if fetch-and-store is implemented using atomic
+    processor instructions, false otherwise.
+*/
+
+/*! \fn bool QAtomicPointer::isFetchAndStoreWaitFree()
+
+    Returns true if atomic fetch-and-store is wait-free, false
+    otherwise.
+*/
+
+/*! \fn T *QAtomicPointer::fetchAndStoreRelaxed(T *newValue)
+
+    Atomic fetch-and-store.
+
+    Reads the current value of this QAtomicPointer and then assigns it the
+    \a newValue, returning the original value.
+
+    This function uses \e relaxed \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, leaving the compiler and
+    processor to freely reorder memory accesses.
+*/
+
+/*! \fn T *QAtomicPointer::fetchAndStoreAcquire(T *newValue)
+
+    Atomic fetch-and-store.
+
+    Reads the current value of this QAtomicPointer and then assigns it the
+    \a newValue, returning the original value.
+
+    This function uses \e acquire \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access following the atomic operation (in program order) may not
+    be re-ordered before the atomic operation.
+*/
+
+/*! \fn T *QAtomicPointer::fetchAndStoreRelease(T *newValue)
+
+    Atomic fetch-and-store.
+
+    Reads the current value of this QAtomicPointer and then assigns it the
+    \a newValue, returning the original value.
+
+    This function uses \e release \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before the atomic operation (in program order) may not be
+    re-ordered after the atomic operation.
+*/
+
+/*! \fn T *QAtomicPointer::fetchAndStoreOrdered(T *newValue)
+
+    Atomic fetch-and-store.
+
+    Reads the current value of this QAtomicPointer and then assigns it the
+    \a newValue, returning the original value.
+
+    This function uses \e ordered \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before and after the atomic operation (in program order)
+    may not be re-ordered.
+*/
+
+/*! \fn bool QAtomicPointer::isFetchAndAddNative()
+
+    Returns true if fetch-and-add is implemented using atomic
+    processor instructions, false otherwise.
+*/
+
+/*! \fn bool QAtomicPointer::isFetchAndAddWaitFree()
+
+    Returns true if atomic fetch-and-add is wait-free, false
+    otherwise.
+*/
+
+/*! \fn T *QAtomicPointer::fetchAndAddRelaxed(qptrdiff valueToAdd)
+
+    Atomic fetch-and-add.
+
+    Reads the current value of this QAtomicPointer and then adds
+    \a valueToAdd to the current value, returning the original value.
+
+    This function uses \e relaxed \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, leaving the compiler and
+    processor to freely reorder memory accesses.
+*/
+
+/*! \fn T *QAtomicPointer::fetchAndAddAcquire(qptrdiff valueToAdd)
+
+    Atomic fetch-and-add.
+
+    Reads the current value of this QAtomicPointer and then adds
+    \a valueToAdd to the current value, returning the original value.
+
+    This function uses \e acquire \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access following the atomic operation (in program order) may not
+    be re-ordered before the atomic operation.
+*/
+
+/*! \fn T *QAtomicPointer::fetchAndAddRelease(qptrdiff valueToAdd)
+
+    Atomic fetch-and-add.
+
+    Reads the current value of this QAtomicPointer and then adds
+    \a valueToAdd to the current value, returning the original value.
+
+    This function uses \e release \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before the atomic operation (in program order) may not be
+    re-ordered after the atomic operation.
+*/
+
+/*! \fn T *QAtomicPointer::fetchAndAddOrdered(qptrdiff valueToAdd)
+
+    Atomic fetch-and-add.
+
+    Reads the current value of this QAtomicPointer and then adds
+    \a valueToAdd to the current value, returning the original value.
+
+    This function uses \e ordered \l {QAtomicPointer#Memory
+    ordering}{memory ordering} semantics, which ensures that memory
+    access before and after the atomic operation (in program order)
+    may not be re-ordered.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined if and only if your processor supports
+    atomic test-and-set on pointers.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_TEST_AND_SET_IS_SOMETIMES_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined when only certain generations of the
+    processor support atomic test-and-set on pointers. Use the
+    QAtomicPointer::isTestAndSetNative() function to check what your
+    processor supports.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined when the hardware does not support atomic
+    test-and-set on pointers.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE
+    \relates QAtomicPointer
+
+    This macro is defined together with
+    Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE to indicate that
+    the atomic test-and-set on pointers is wait-free.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined if and only if your processor supports
+    atomic fetch-and-store on pointers.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_SOMETIMES_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined when only certain generations of the
+    processor support atomic fetch-and-store on pointers. Use the
+    QAtomicPointer::isFetchAndStoreNative() function to check what
+    your processor supports.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined when the hardware does not support atomic
+    fetch-and-store on pointers.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE
+    \relates QAtomicPointer
+
+    This macro is defined together with
+    Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE to indicate that
+    the atomic fetch-and-store on pointers is wait-free.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined if and only if your processor supports
+    atomic fetch-and-add on pointers.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_SOMETIMES_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined when only certain generations of the
+    processor support atomic fetch-and-add on pointers. Use the
+    QAtomicPointer::isFetchAndAddNative() function to check what your
+    processor supports.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+    \relates QAtomicPointer
+
+    This macro is defined when the hardware does not support atomic
+    fetch-and-add on pointers.
+*/
+
+/*!
+    \macro Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_WAIT_FREE
+    \relates QAtomicPointer
+
+    This macro is defined together with
+    Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE to indicate that
+    the atomic fetch-and-add on pointers is wait-free.
+*/
diff --git a/src/corelib/thread/qatomic.h b/src/corelib/thread/qatomic.h
new file mode 100644
index 0000000000..4e949ee713
--- /dev/null
+++ b/src/corelib/thread/qatomic.h
@@ -0,0 +1,227 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_H
+#define QATOMIC_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qbasicatomic.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+// High-level atomic integer operations
+class Q_CORE_EXPORT QAtomicInt : public QBasicAtomicInt
+{
+public:
+    inline QAtomicInt(int value = 0)
+    {
+#ifdef QT_ARCH_PARISC
+        this->_q_lock[0] = this->_q_lock[1] = this->_q_lock[2] = this->_q_lock[3] = -1;
+#endif
+        _q_value = value;
+    }
+    inline QAtomicInt(const QAtomicInt &other)
+    {
+#ifdef QT_ARCH_PARISC
+        this->_q_lock[0] = this->_q_lock[1] = this->_q_lock[2] = this->_q_lock[3] = -1;
+#endif
+        _q_value = other._q_value;
+    }
+
+    inline QAtomicInt &operator=(int value)
+    {
+        (void) QBasicAtomicInt::operator=(value);
+        return *this;
+    }
+
+    inline QAtomicInt &operator=(const QAtomicInt &other)
+    {
+        (void) QBasicAtomicInt::operator=(other);
+        return *this;
+    }
+
+#ifdef qdoc
+    bool operator==(int value) const;
+    bool operator!=(int value) const;
+    bool operator!() const;
+    operator int() const;
+
+    static bool isReferenceCountingNative();
+    static bool isReferenceCountingWaitFree();
+
+    bool ref();
+    bool deref();
+
+    static bool isTestAndSetNative();
+    static bool isTestAndSetWaitFree();
+
+    bool testAndSetRelaxed(int expectedValue, int newValue);
+    bool testAndSetAcquire(int expectedValue, int newValue);
+    bool testAndSetRelease(int expectedValue, int newValue);
+    bool testAndSetOrdered(int expectedValue, int newValue);
+
+    static bool isFetchAndStoreNative();
+    static bool isFetchAndStoreWaitFree();
+
+    int fetchAndStoreRelaxed(int newValue);
+    int fetchAndStoreAcquire(int newValue);
+    int fetchAndStoreRelease(int newValue);
+    int fetchAndStoreOrdered(int newValue);
+
+    static bool isFetchAndAddNative();
+    static bool isFetchAndAddWaitFree();
+
+    int fetchAndAddRelaxed(int valueToAdd);
+    int fetchAndAddAcquire(int valueToAdd);
+    int fetchAndAddRelease(int valueToAdd);
+    int fetchAndAddOrdered(int valueToAdd);
+#endif
+};
+
+// High-level atomic pointer operations
+template <typename T>
+class QAtomicPointer : public QBasicAtomicPointer<T>
+{
+public:
+    inline QAtomicPointer(T *value = 0)
+    {
+#ifdef QT_ARCH_PARISC
+        this->_q_lock[0] = this->_q_lock[1] = this->_q_lock[2] = this->_q_lock[3] = -1;
+#endif
+        QBasicAtomicPointer<T>::_q_value = value;
+    }
+    inline QAtomicPointer(const QAtomicPointer<T> &other)
+    {
+#ifdef QT_ARCH_PARISC
+        this->_q_lock[0] = this->_q_lock[1] = this->_q_lock[2] = this->_q_lock[3] = -1;
+#endif
+        QBasicAtomicPointer<T>::_q_value = other._q_value;
+    }
+
+    inline QAtomicPointer<T> &operator=(T *value)
+    {
+        (void) QBasicAtomicPointer<T>::operator=(value);
+        return *this;
+    }
+
+    inline QAtomicPointer<T> &operator=(const QAtomicPointer<T> &other)
+    {
+        (void) QBasicAtomicPointer<T>::operator=(other);
+        return *this;
+    }
+
+#ifdef qdoc
+    bool operator==(T *value) const;
+    bool operator!=(T *value) const;
+    bool operator!() const;
+    operator T *() const;
+    T *operator->() const;
+
+    static bool isTestAndSetNative();
+    static bool isTestAndSetWaitFree();
+
+    bool testAndSetRelaxed(T *expectedValue, T *newValue);
+    bool testAndSetAcquire(T *expectedValue, T *newValue);
+    bool testAndSetRelease(T *expectedValue, T *newValue);
+    bool testAndSetOrdered(T *expectedValue, T *newValue);
+
+    static bool isFetchAndStoreNative();
+    static bool isFetchAndStoreWaitFree();
+
+    T *fetchAndStoreRelaxed(T *newValue);
+    T *fetchAndStoreAcquire(T *newValue);
+    T *fetchAndStoreRelease(T *newValue);
+    T *fetchAndStoreOrdered(T *newValue);
+
+    static bool isFetchAndAddNative();
+    static bool isFetchAndAddWaitFree();
+
+    T *fetchAndAddRelaxed(qptrdiff valueToAdd);
+    T *fetchAndAddAcquire(qptrdiff valueToAdd);
+    T *fetchAndAddRelease(qptrdiff valueToAdd);
+    T *fetchAndAddOrdered(qptrdiff valueToAdd);
+#endif
+};
+
+/*!
+    This is a helper for the assignment operators of implicitly
+    shared classes. Your assignment operator should look like this:
+
+    \snippet doc/src/snippets/code/src.corelib.thread.qatomic.h 0
+*/
+template <typename T>
+inline void qAtomicAssign(T *&d, T *x)
+{
+    if (d == x)
+        return;
+    x->ref.ref();
+    if (!d->ref.deref())
+        delete d;
+    d = x;
+}
+
+/*!
+    This is a helper for the detach method of implicitly shared
+    classes. Your private class needs a copy constructor which copies
+    the members and sets the refcount to 1. After that, your detach
+    function should look like this:
+
+    \snippet doc/src/snippets/code/src.corelib.thread.qatomic.h 1
+*/
+template <typename T>
+inline void qAtomicDetach(T *&d)
+{
+    if (d->ref == 1)
+        return;
+    T *x = d;
+    d = new T(*d);
+    if (!x->ref.deref())
+        delete x;
+}
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QATOMIC_H
diff --git a/src/corelib/thread/qbasicatomic.h b/src/corelib/thread/qbasicatomic.h
new file mode 100644
index 0000000000..a5af6c567e
--- /dev/null
+++ b/src/corelib/thread/qbasicatomic.h
@@ -0,0 +1,210 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBASICATOMIC_H
+#define QBASICATOMIC_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QBasicAtomicInt
+{
+public:
+#ifdef QT_ARCH_PARISC
+    int _q_lock[4];
+#endif
+    volatile int _q_value;
+
+    // Non-atomic API
+    inline bool operator==(int value) const
+    {
+        return _q_value == value;
+    }
+
+    inline bool operator!=(int value) const
+    {
+        return _q_value != value;
+    }
+
+    inline bool operator!() const
+    {
+        return _q_value == 0;
+    }
+
+    inline operator int() const
+    {
+        return _q_value;
+    }
+
+    inline QBasicAtomicInt &operator=(int value)
+    {
+#ifdef QT_ARCH_PARISC
+        this->_q_lock[0] = this->_q_lock[1] = this->_q_lock[2] = this->_q_lock[3] = -1;
+#endif
+        _q_value = value;
+        return *this;
+    }
+
+    // Atomic API, implemented in qatomic_XXX.h
+
+    static bool isReferenceCountingNative();
+    static bool isReferenceCountingWaitFree();
+
+    bool ref();
+    bool deref();
+
+    static bool isTestAndSetNative();
+    static bool isTestAndSetWaitFree();
+
+    bool testAndSetRelaxed(int expectedValue, int newValue);
+    bool testAndSetAcquire(int expectedValue, int newValue);
+    bool testAndSetRelease(int expectedValue, int newValue);
+    bool testAndSetOrdered(int expectedValue, int newValue);
+
+    static bool isFetchAndStoreNative();
+    static bool isFetchAndStoreWaitFree();
+
+    int fetchAndStoreRelaxed(int newValue);
+    int fetchAndStoreAcquire(int newValue);
+    int fetchAndStoreRelease(int newValue);
+    int fetchAndStoreOrdered(int newValue);
+
+    static bool isFetchAndAddNative();
+    static bool isFetchAndAddWaitFree();
+
+    int fetchAndAddRelaxed(int valueToAdd);
+    int fetchAndAddAcquire(int valueToAdd);
+    int fetchAndAddRelease(int valueToAdd);
+    int fetchAndAddOrdered(int valueToAdd);
+};
+
+template <typename T>
+class QBasicAtomicPointer
+{
+public:
+#ifdef QT_ARCH_PARISC
+    int _q_lock[4];
+#endif
+    T * volatile _q_value;
+
+    // Non-atomic API
+    inline bool operator==(T *value) const
+    {
+        return _q_value == value;
+    }
+
+    inline bool operator!=(T *value) const
+    {
+        return !operator==(value);
+    }
+
+    inline bool operator!() const
+    {
+        return operator==(0);
+    }
+
+    inline operator T *() const
+    {
+        return _q_value;
+    }
+
+    inline T *operator->() const
+    {
+        return _q_value;
+    }
+
+    inline QBasicAtomicPointer<T> &operator=(T *value)
+    {
+#ifdef QT_ARCH_PARISC
+        this->_q_lock[0] = this->_q_lock[1] = this->_q_lock[2] = this->_q_lock[3] = -1;
+#endif
+        _q_value = value;
+        return *this;
+    }
+
+    // Atomic API, implemented in qatomic_XXX.h
+
+    static bool isTestAndSetNative();
+    static bool isTestAndSetWaitFree();
+
+    bool testAndSetRelaxed(T *expectedValue, T *newValue);
+    bool testAndSetAcquire(T *expectedValue, T *newValue);
+    bool testAndSetRelease(T *expectedValue, T *newValue);
+    bool testAndSetOrdered(T *expectedValue, T *newValue);
+
+    static bool isFetchAndStoreNative();
+    static bool isFetchAndStoreWaitFree();
+
+    T *fetchAndStoreRelaxed(T *newValue);
+    T *fetchAndStoreAcquire(T *newValue);
+    T *fetchAndStoreRelease(T *newValue);
+    T *fetchAndStoreOrdered(T *newValue);
+
+    static bool isFetchAndAddNative();
+    static bool isFetchAndAddWaitFree();
+
+    T *fetchAndAddRelaxed(qptrdiff valueToAdd);
+    T *fetchAndAddAcquire(qptrdiff valueToAdd);
+    T *fetchAndAddRelease(qptrdiff valueToAdd);
+    T *fetchAndAddOrdered(qptrdiff valueToAdd);
+};
+
+#ifdef QT_ARCH_PARISC
+#  define Q_BASIC_ATOMIC_INITIALIZER(a) {{-1,-1,-1,-1},(a)}
+#else
+#  define Q_BASIC_ATOMIC_INITIALIZER(a) { (a) }
+#endif
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#if defined(QT_MOC) || defined(QT_BUILD_QMAKE) || defined(QT_RCC) || defined(QT_UIC) || defined(QT_BOOTSTRAPPED)
+#  include <QtCore/qatomic_bootstrap.h>
+#else
+#  include <QtCore/qatomic_arch.h>
+#endif
+
+#endif // QBASIC_ATOMIC
diff --git a/src/corelib/thread/qmutex.cpp b/src/corelib/thread/qmutex.cpp
new file mode 100644
index 0000000000..a3b3fe714c
--- /dev/null
+++ b/src/corelib/thread/qmutex.cpp
@@ -0,0 +1,515 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qmutex.h"
+
+#ifndef QT_NO_THREAD
+#include "qatomic.h"
+#include "qthread.h"
+#include "qmutex_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QMutex
+    \brief The QMutex class provides access serialization between threads.
+
+    \threadsafe
+
+    \ingroup thread
+    \ingroup environment
+    \mainclass
+
+    The purpose of a QMutex is to protect an object, data structure or
+    section of code so that only one thread can access it at a time
+    (this is similar to the Java \c synchronized keyword). It is
+    usually best to use a mutex with a QMutexLocker since this makes
+    it easy to ensure that locking and unlocking are performed
+    consistently.
+
+    For example, say there is a method that prints a message to the
+    user on two lines:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutex.cpp 0
+
+    If these two methods are called in succession, the following happens:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutex.cpp 1
+
+    If these two methods are called simultaneously from two threads then the
+    following sequence could result:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutex.cpp 2
+
+    If we add a mutex, we should get the result we want:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutex.cpp 3
+
+    Then only one thread can modify \c number at any given time and
+    the result is correct. This is a trivial example, of course, but
+    applies to any other case where things need to happen in a
+    particular sequence.
+
+    When you call lock() in a thread, other threads that try to call
+    lock() in the same place will block until the thread that got the
+    lock calls unlock(). A non-blocking alternative to lock() is
+    tryLock().
+
+    \sa QMutexLocker, QReadWriteLock, QSemaphore, QWaitCondition
+*/
+
+/*!
+    \enum QMutex::RecursionMode
+
+    \value Recursive  In this mode, a thread can lock the same mutex
+                      multiple times and the mutex won't be unlocked
+                      until a corresponding number of unlock() calls
+                      have been made.
+
+    \value NonRecursive  In this mode, a thread may only lock a mutex
+                         once.
+
+    \sa QMutex()
+*/
+
+/*!
+    Constructs a new mutex. The mutex is created in an unlocked state.
+
+    If \a mode is QMutex::Recursive, a thread can lock the same mutex
+    multiple times and the mutex won't be unlocked until a
+    corresponding number of unlock() calls have been made. The
+    default is QMutex::NonRecursive.
+
+    \sa lock(), unlock()
+*/
+QMutex::QMutex(RecursionMode mode)
+    : d(new QMutexPrivate(mode))
+{ }
+
+/*!
+    Destroys the mutex.
+
+    \warning Destroying a locked mutex may result in undefined behavior.
+*/
+QMutex::~QMutex()
+{ delete d; }
+
+/*!
+    Locks the mutex. If another thread has locked the mutex then this
+    call will block until that thread has unlocked it.
+
+    Calling this function multiple times on the same mutex from the
+    same thread is allowed if this mutex is a
+    \l{QMutex::Recursive}{recursive mutex}. If this mutex is a
+    \l{QMutex::NonRecursive}{non-recursive mutex}, this function will
+    \e dead-lock when the mutex is locked recursively.
+
+    \sa unlock()
+*/
+void QMutex::lock()
+{
+    Qt::HANDLE self;
+
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+        if (d->owner == self) {
+            ++d->count;
+            Q_ASSERT_X(d->count != 0, "QMutex::lock", "Overflow in recursion counter");
+            return;
+        }
+
+        bool isLocked = d->contenders.fetchAndAddAcquire(1) == 0;
+        if (!isLocked) {
+#ifndef QT_NO_DEBUG
+            if (d->owner == self)
+                qWarning("QMutex::lock: Deadlock detected in thread %ld",
+                         long(d->owner));
+#endif
+
+            // didn't get the lock, wait for it
+            isLocked = d->wait();
+            Q_ASSERT_X(isLocked, "QMutex::lock",
+                       "Internal error, infinite wait has timed out.");
+
+            // don't need to wait for the lock anymore
+            d->contenders.deref();
+        }
+
+        d->owner = self;
+        ++d->count;
+        Q_ASSERT_X(d->count != 0, "QMutex::lock", "Overflow in recursion counter");
+        return;
+    }
+
+#ifndef QT_NO_DEBUG
+    self = QThread::currentThreadId();
+#endif
+
+    bool isLocked = d->contenders == 0 && d->contenders.testAndSetAcquire(0, 1);
+    if (!isLocked) {
+        int spinCount = 0;
+        int lastSpinCount = d->lastSpinCount;
+
+        enum { AdditionalSpins = 20, SpinCountPenalizationDivisor = 4 };
+        const int maximumSpinCount = lastSpinCount + AdditionalSpins;
+
+        do {
+            if (spinCount++ > maximumSpinCount) {
+                // puts("spinning useless, sleeping");
+                isLocked = d->contenders.fetchAndAddAcquire(1) == 0;
+                if (!isLocked) {
+#ifndef QT_NO_DEBUG
+                    if (d->owner == self)
+                        qWarning("QMutex::lock: Deadlock detected in thread %ld",
+                                 long(d->owner));
+#endif
+
+                    // didn't get the lock, wait for it
+                    isLocked = d->wait();
+                    Q_ASSERT_X(isLocked, "QMutex::lock",
+                               "Internal error, infinite wait has timed out.");
+
+                    // don't need to wait for the lock anymore
+                    d->contenders.deref();
+                }
+                // decrease the lastSpinCount since we didn't actually get the lock by spinning
+                spinCount = -d->lastSpinCount / SpinCountPenalizationDivisor;
+                break;
+            }
+
+            isLocked = d->contenders == 0 && d->contenders.testAndSetAcquire(0, 1);
+        } while (!isLocked);
+
+        // adjust the last spin lock count
+        lastSpinCount = d->lastSpinCount;
+        d->lastSpinCount = spinCount >= 0
+                           ? qMax(lastSpinCount, spinCount)
+                           : lastSpinCount + spinCount;
+    }
+
+#ifndef QT_NO_DEBUG
+    d->owner = self;
+#endif
+}
+
+/*!
+    Attempts to lock the mutex. If the lock was obtained, this function
+    returns true. If another thread has locked the mutex, this
+    function returns false immediately.
+
+    If the lock was obtained, the mutex must be unlocked with unlock()
+    before another thread can successfully lock it.
+
+    Calling this function multiple times on the same mutex from the
+    same thread is allowed if this mutex is a
+    \l{QMutex::Recursive}{recursive mutex}. If this mutex is a
+    \l{QMutex::NonRecursive}{non-recursive mutex}, this function will
+    \e always return false when attempting to lock the mutex
+    recursively.
+
+    \sa lock(), unlock()
+*/
+bool QMutex::tryLock()
+{
+    Qt::HANDLE self;
+
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+        if (d->owner == self) {
+            ++d->count;
+            Q_ASSERT_X(d->count != 0, "QMutex::tryLock", "Overflow in recursion counter");
+            return true;
+        }
+
+        bool isLocked = d->contenders == 0 && d->contenders.testAndSetAcquire(0, 1);
+        if (!isLocked) {
+            // some other thread has the mutex locked, or we tried to
+            // recursively lock an non-recursive mutex
+            return isLocked;
+        }
+
+        d->owner = self;
+        ++d->count;
+        Q_ASSERT_X(d->count != 0, "QMutex::tryLock", "Overflow in recursion counter");
+        return isLocked;
+    }
+
+#ifndef QT_NO_DEBUG
+    self = QThread::currentThreadId();
+#endif
+    bool isLocked = d->contenders == 0 && d->contenders.testAndSetAcquire(0, 1);
+    if (!isLocked) {
+        // some other thread has the mutex locked, or we tried to
+        // recursively lock an non-recursive mutex
+        return isLocked;
+    }
+#ifndef QT_NO_DEBUG
+    d->owner = self;
+#endif
+    return isLocked;
+}
+
+/*! \overload
+
+    Attempts to lock the mutex. This function returns true if the lock
+    was obtained; otherwise it returns false. If another thread has
+    locked the mutex, this function will wait for at most \a timeout
+    milliseconds for the mutex to become available.
+
+    Note: Passing a negative number as the \a timeout is equivalent to
+    calling lock(), i.e. this function will wait forever until mutex
+    can be locked if \a timeout is negative.
+
+    If the lock was obtained, the mutex must be unlocked with unlock()
+    before another thread can successfully lock it.
+
+    Calling this function multiple times on the same mutex from the
+    same thread is allowed if this mutex is a
+    \l{QMutex::Recursive}{recursive mutex}. If this mutex is a
+    \l{QMutex::NonRecursive}{non-recursive mutex}, this function will
+    \e always return false when attempting to lock the mutex
+    recursively.
+
+    \sa lock(), unlock()
+*/
+bool QMutex::tryLock(int timeout)
+{
+    Qt::HANDLE self;
+
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+        if (d->owner == self) {
+            ++d->count;
+            Q_ASSERT_X(d->count != 0, "QMutex::tryLock", "Overflow in recursion counter");
+            return true;
+        }
+
+        bool isLocked = d->contenders.fetchAndAddAcquire(1) == 0;
+        if (!isLocked) {
+            // didn't get the lock, wait for it
+            isLocked = d->wait(timeout);
+
+            // don't need to wait for the lock anymore
+            d->contenders.deref();
+            if (!isLocked)
+                return false;
+        }
+
+        d->owner = self;
+        ++d->count;
+        Q_ASSERT_X(d->count != 0, "QMutex::tryLock", "Overflow in recursion counter");
+        return true;
+    }
+
+#ifndef QT_NO_DEBUG
+    self = QThread::currentThreadId();
+#endif
+    bool isLocked = d->contenders.fetchAndAddAcquire(1) == 0;
+    if (!isLocked) {
+        // didn't get the lock, wait for it
+        isLocked = d->wait(timeout);
+
+        // don't need to wait for the lock anymore
+        d->contenders.deref();
+        if (!isLocked)
+            return false;
+    }
+#ifndef QT_NO_DEBUG
+    d->owner = self;
+#endif
+    return true;
+}
+
+
+/*!
+    Unlocks the mutex. Attempting to unlock a mutex in a different
+    thread to the one that locked it results in an error. Unlocking a
+    mutex that is not locked results in undefined behavior.
+
+    \sa lock()
+*/
+void QMutex::unlock()
+{
+    Q_ASSERT_X(d->owner == QThread::currentThreadId(), "QMutex::unlock()",
+               "A mutex must be unlocked in the same thread that locked it.");
+
+    if (d->recursive) {
+        if (!--d->count) {
+            d->owner = 0;
+            if (!d->contenders.testAndSetRelease(1, 0))
+                d->wakeUp();
+        }
+    } else {
+#ifndef QT_NO_DEBUG
+        d->owner = 0;
+#endif
+        if (!d->contenders.testAndSetRelease(1, 0))
+            d->wakeUp();
+    }
+}
+
+/*!
+    \fn bool QMutex::locked()
+
+    Returns true if the mutex is locked by another thread; otherwise
+    returns false.
+
+    It is generally a bad idea to use this function, because code
+    that uses it has a race condition. Use tryLock() and unlock()
+    instead.
+
+    \oldcode
+        bool isLocked = mutex.locked();
+    \newcode
+        bool isLocked = true;
+        if (mutex.tryLock()) {
+            mutex.unlock();
+            isLocked = false;
+        }
+    \endcode
+*/
+
+/*!
+    \class QMutexLocker
+    \brief The QMutexLocker class is a convenience class that simplifies
+    locking and unlocking mutexes.
+
+    \threadsafe
+
+    \ingroup thread
+    \ingroup environment
+
+    Locking and unlocking a QMutex in complex functions and
+    statements or in exception handling code is error-prone and
+    difficult to debug. QMutexLocker can be used in such situations
+    to ensure that the state of the mutex is always well-defined.
+
+    QMutexLocker should be created within a function where a
+    QMutex needs to be locked. The mutex is locked when QMutexLocker
+    is created. You can unlock and relock the mutex with \c unlock()
+    and \c relock(). If locked, the mutex will be unlocked when the
+    QMutexLocker is destroyed.
+
+    For example, this complex function locks a QMutex upon entering
+    the function and unlocks the mutex at all the exit points:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutex.cpp 4
+
+    This example function will get more complicated as it is
+    developed, which increases the likelihood that errors will occur.
+
+    Using QMutexLocker greatly simplifies the code, and makes it more
+    readable:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutex.cpp 5
+
+    Now, the mutex will always be unlocked when the QMutexLocker
+    object is destroyed (when the function returns since \c locker is
+    an auto variable).
+
+    The same principle applies to code that throws and catches
+    exceptions. An exception that is not caught in the function that
+    has locked the mutex has no way of unlocking the mutex before the
+    exception is passed up the stack to the calling function.
+
+    QMutexLocker also provides a \c mutex() member function that returns
+    the mutex on which the QMutexLocker is operating. This is useful
+    for code that needs access to the mutex, such as
+    QWaitCondition::wait(). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutex.cpp 6
+
+    \sa QReadLocker, QWriteLocker, QMutex
+*/
+
+/*!
+    \fn QMutexLocker::QMutexLocker(QMutex *mutex)
+
+    Constructs a QMutexLocker and locks \a mutex. The mutex will be
+    unlocked when the QMutexLocker is destroyed. If \a mutex is zero,
+    QMutexLocker does nothing.
+
+    \sa QMutex::lock()
+*/
+
+/*!
+    \fn QMutexLocker::~QMutexLocker()
+
+    Destroys the QMutexLocker and unlocks the mutex that was locked
+    in the constructor.
+
+    \sa QMutex::unlock()
+*/
+
+/*!
+    \fn QMutex *QMutexLocker::mutex() const
+
+    Returns a pointer to the mutex that was locked in the
+    constructor.
+*/
+
+/*!
+    \fn void QMutexLocker::unlock()
+
+    Unlocks this mutex locker. You can use \c relock() to lock
+    it again. It does not need to be locked when destroyed.
+
+    \sa relock()
+*/
+
+/*!
+    \fn void QMutexLocker::relock()
+
+    Relocks an unlocked mutex locker.
+
+    \sa unlock()
+*/
+
+/*!
+    \fn QMutex::QMutex(bool recursive)
+
+    Use the constructor that takes a RecursionMode parameter instead.
+*/
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
diff --git a/src/corelib/thread/qmutex.h b/src/corelib/thread/qmutex.h
new file mode 100644
index 0000000000..51f1f79e34
--- /dev/null
+++ b/src/corelib/thread/qmutex.h
@@ -0,0 +1,193 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMUTEX_H
+#define QMUTEX_H
+
+#include <QtCore/qglobal.h>
+#include <new>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_THREAD
+
+class QMutexPrivate;
+
+class Q_CORE_EXPORT QMutex
+{
+    friend class QWaitCondition;
+    friend class QWaitConditionPrivate;
+
+public:
+    enum RecursionMode { NonRecursive, Recursive };
+
+    explicit QMutex(RecursionMode mode = NonRecursive);
+    ~QMutex();
+
+    void lock();
+    bool tryLock();
+    bool tryLock(int timeout);
+    void unlock();
+
+#if defined(QT3_SUPPORT)
+    inline QT3_SUPPORT bool locked()
+    {
+        if (!tryLock())
+            return true;
+        unlock();
+        return false;
+    }
+    inline QT3_SUPPORT_CONSTRUCTOR QMutex(bool recursive)
+    {
+        new (this) QMutex(recursive ? Recursive : NonRecursive);
+    }
+#endif
+
+private:
+    Q_DISABLE_COPY(QMutex)
+
+    QMutexPrivate *d;
+};
+
+class Q_CORE_EXPORT QMutexLocker
+{
+public:
+    inline explicit QMutexLocker(QMutex *m)
+        : mtx(m)
+    {
+        Q_ASSERT_X((val & quintptr(1u)) == quintptr(0),
+                   "QMutexLocker", "QMutex pointer is misaligned");
+        relock();
+    }
+    inline ~QMutexLocker() { unlock(); }
+
+    inline void unlock()
+    {
+        if (mtx) {
+            if ((val & quintptr(1u)) == quintptr(1u)) {
+                val &= ~quintptr(1u);
+                mtx->unlock();
+            }
+        }
+    }
+
+    inline void relock()
+    {
+        if (mtx) {
+            if ((val & quintptr(1u)) == quintptr(0u)) {
+                mtx->lock();
+                val |= quintptr(1u);
+            }
+        }
+    }
+
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4312 ) // ignoring the warning from /Wp64
+#endif
+
+    inline QMutex *mutex() const
+    {
+        return reinterpret_cast<QMutex *>(val & ~quintptr(1u));
+    }
+
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+
+private:
+    Q_DISABLE_COPY(QMutexLocker)
+
+    union {
+        QMutex *mtx;
+        quintptr val;
+    };
+};
+
+#else // QT_NO_THREAD
+
+
+class Q_CORE_EXPORT QMutex
+{
+public:
+    enum RecursionMode { NonRecursive, Recursive };
+
+    inline explicit QMutex(RecursionMode mode = NonRecursive) { Q_UNUSED(mode); }
+    inline ~QMutex() {}
+
+    static inline void lock() {}
+    static inline bool tryLock() { return true; }
+    static inline bool tryLock(int timeout) { Q_UNUSED(timeout); return true; }
+    static void unlock() {}
+
+#if defined(QT3_SUPPORT)
+    static inline QT3_SUPPORT bool locked() { return false; }
+#endif
+
+private:
+    Q_DISABLE_COPY(QMutex)
+};
+
+class Q_CORE_EXPORT QMutexLocker
+{
+public:
+    inline explicit QMutexLocker(QMutex *) {}
+    inline ~QMutexLocker() {}
+
+    static inline void unlock() {}
+    static void relock() {}
+    static inline QMutex *mutex() { return 0; }
+
+private:
+    Q_DISABLE_COPY(QMutexLocker)
+};
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMUTEX_H
diff --git a/src/corelib/thread/qmutex_p.h b/src/corelib/thread/qmutex_p.h
new file mode 100644
index 0000000000..6eb15be11c
--- /dev/null
+++ b/src/corelib/thread/qmutex_p.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMUTEX_P_H
+#define QMUTEX_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qmutex.cpp, qmutex_unix.cpp, and qmutex_win.cpp.  This header
+// file may change from version to version without notice, or even be
+// removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qnamespace.h>
+
+QT_BEGIN_NAMESPACE
+
+class QMutexPrivate {
+public:
+    QMutexPrivate(QMutex::RecursionMode mode);
+    ~QMutexPrivate();
+
+    ulong self();
+    bool wait(int timeout = -1);
+    void wakeUp();
+
+    const bool recursive;
+    QAtomicInt contenders;
+    volatile int lastSpinCount;
+    Qt::HANDLE owner;
+    uint count;
+
+#if defined(Q_OS_UNIX)
+    volatile bool wakeup;
+    pthread_mutex_t mutex;
+    pthread_cond_t cond;
+#elif defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    HANDLE event;
+#endif
+};
+
+QT_END_NAMESPACE
+
+#endif // QMUTEX_P_H
diff --git a/src/corelib/thread/qmutex_unix.cpp b/src/corelib/thread/qmutex_unix.cpp
new file mode 100644
index 0000000000..e15ec7e794
--- /dev/null
+++ b/src/corelib/thread/qmutex_unix.cpp
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qmutex.h"
+#include "qstring.h"
+
+#ifndef QT_NO_THREAD
+#include "qatomic.h"
+#include "qmutex_p.h"
+
+#include <errno.h>
+
+QT_BEGIN_NAMESPACE
+
+static void report_error(int code, const char *where, const char *what)
+{
+    if (code != 0)
+        qWarning("%s: %s failure: %s", where, what, qPrintable(qt_error_string(code)));
+}
+
+
+QMutexPrivate::QMutexPrivate(QMutex::RecursionMode mode)
+    : recursive(mode == QMutex::Recursive), contenders(0), lastSpinCount(0), owner(0), count(0), wakeup(false)
+{
+    report_error(pthread_mutex_init(&mutex, NULL), "QMutex", "mutex init");
+    report_error(pthread_cond_init(&cond, NULL), "QMutex", "cv init");
+}
+
+QMutexPrivate::~QMutexPrivate()
+{
+    report_error(pthread_cond_destroy(&cond), "QMutex", "cv destroy");
+    report_error(pthread_mutex_destroy(&mutex), "QMutex", "mutex destroy");
+}
+
+bool QMutexPrivate::wait(int timeout)
+{
+    report_error(pthread_mutex_lock(&mutex), "QMutex::lock", "mutex lock");
+    int errorCode = 0;
+    while (!wakeup) {
+        if (timeout < 0) {
+            errorCode = pthread_cond_wait(&cond, &mutex);
+        } else {
+            struct timeval tv;
+            gettimeofday(&tv, 0);
+
+            timespec ti;
+            ti.tv_nsec = (tv.tv_usec + (timeout % 1000) * 1000) * 1000;
+            ti.tv_sec = tv.tv_sec + (timeout / 1000) + (ti.tv_nsec / 1000000000);
+            ti.tv_nsec %= 1000000000;
+
+            errorCode = pthread_cond_timedwait(&cond, &mutex, &ti);
+        }
+        if (errorCode) {
+            if (errorCode == ETIMEDOUT)
+                break;
+            report_error(errorCode, "QMutex::lock()", "cv wait");
+        }
+    }
+    wakeup = false;
+    report_error(pthread_mutex_unlock(&mutex), "QMutex::lock", "mutex unlock");
+    return errorCode == 0;
+}
+
+void QMutexPrivate::wakeUp()
+{
+    report_error(pthread_mutex_lock(&mutex), "QMutex::unlock", "mutex lock");
+    wakeup = true;
+    report_error(pthread_cond_signal(&cond), "QMutex::unlock", "cv signal");
+    report_error(pthread_mutex_unlock(&mutex), "QMutex::unlock", "mutex unlock");
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
diff --git a/src/corelib/thread/qmutex_win.cpp b/src/corelib/thread/qmutex_win.cpp
new file mode 100644
index 0000000000..a73815dc7c
--- /dev/null
+++ b/src/corelib/thread/qmutex_win.cpp
@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <windows.h>
+
+#include "qmutex.h"
+#include <qatomic.h>
+#include "qmutex_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QMutexPrivate::QMutexPrivate(QMutex::RecursionMode mode)
+    : recursive(mode == QMutex::Recursive), contenders(0), lastSpinCount(0), owner(0), count(0)
+{
+    if (QSysInfo::WindowsVersion == 0) {
+        // mutex was created before initializing WindowsVersion. this
+        // can happen when creating the resource file engine handler,
+        // for example. try again with just the A version
+#ifdef Q_OS_WINCE
+        event = CreateEventW(0, FALSE, FALSE, 0);
+#else
+        event = CreateEventA(0, FALSE, FALSE, 0);
+#endif
+    } else {
+        event = QT_WA_INLINE(CreateEventW(0, FALSE, FALSE, 0),
+                             CreateEventA(0, FALSE, FALSE, 0));
+    }
+    if (!event)
+        qWarning("QMutexPrivate::QMutexPrivate: Cannot create event");
+}
+
+QMutexPrivate::~QMutexPrivate()
+{ CloseHandle(event); }
+
+bool QMutexPrivate::wait(int timeout)
+{
+    return WaitForSingleObject(event, timeout < 0 ? INFINITE : timeout) ==  WAIT_OBJECT_0;
+}
+
+void QMutexPrivate::wakeUp()
+{ SetEvent(event); }
+
+QT_END_NAMESPACE
diff --git a/src/corelib/thread/qmutexpool.cpp b/src/corelib/thread/qmutexpool.cpp
new file mode 100644
index 0000000000..71ecab558f
--- /dev/null
+++ b/src/corelib/thread/qmutexpool.cpp
@@ -0,0 +1,165 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qatomic.h"
+#include "qmutexpool_p.h"
+
+#ifndef QT_NO_THREAD
+
+QT_BEGIN_NAMESPACE
+
+// qt_global_mutexpool is here for backwards compatability only,
+// use QMutexpool::instance() in new clode.
+Q_CORE_EXPORT QMutexPool *qt_global_mutexpool = 0;
+Q_GLOBAL_STATIC_WITH_ARGS(QMutexPool, globalMutexPool, (true))
+
+/*!
+    \class QMutexPool
+    \brief The QMutexPool class provides a pool of QMutex objects.
+
+    \internal
+
+    \ingroup thread
+
+    QMutexPool is a convenience class that provides access to a fixed
+    number of QMutex objects.
+
+    Typical use of a QMutexPool is in situations where it is not
+    possible or feasible to use one QMutex for every protected object.
+    The mutex pool will return a mutex based on the address of the
+    object that needs protection.
+
+    For example, consider this simple class:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutexpool.cpp 0
+
+    Adding a QMutex member to the Number class does not make sense,
+    because it is so small. However, in order to ensure that access to
+    each Number is protected, you need to use a mutex. In this case, a
+    QMutexPool would be ideal.
+
+    Code to calculate the square of a number would then look something
+    like this:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qmutexpool.cpp 1
+
+    This function will safely calculate the square of a number, since
+    it uses a mutex from a QMutexPool. The mutex is locked and
+    unlocked automatically by the QMutexLocker class. See the
+    QMutexLocker documentation for more details.
+*/
+
+/*!
+    Constructs  a QMutexPool, reserving space for \a size QMutexes. If
+    \a recursive is true, all QMutexes in the pool will be recursive
+    mutexes; otherwise they will all be non-recursive (the default).
+
+    The QMutexes are created when needed, and deleted when the
+    QMutexPool is destructed.
+*/
+QMutexPool::QMutexPool(bool recursive, int size)
+    : count(size), recurs(recursive)
+{
+    mutexes = new QMutex*[count];
+    for (int index = 0; index < count; ++index) {
+        mutexes[index] = 0;
+    }
+}
+
+/*!
+    Destructs a QMutexPool. All QMutexes that were created by the pool
+    are deleted.
+*/
+QMutexPool::~QMutexPool()
+{
+    QMutexLocker locker(&mutex);
+    for (int index = 0; index < count; ++index) {
+        delete mutexes[index];
+        mutexes[index] = 0;
+    }
+    delete [] mutexes;
+    mutexes = 0;
+}
+
+/*!
+    Returns the global QMutexPool instance.
+*/
+QMutexPool *QMutexPool::instance()
+{
+    return globalMutexPool();
+}
+
+/*!
+    Returns a QMutex from the pool. QMutexPool uses the value \a address
+    to determine which mutex is returned from the pool.
+*/
+QMutex *QMutexPool::get(const void *address)
+{
+    Q_ASSERT_X(address != 0, "QMutexPool::get()", "'address' argument cannot be zero");
+    int index = int((quintptr(address) >> (sizeof(address) >> 1)) % count);
+
+    if (!mutexes[index]) {
+        // mutex not created, create one
+
+        QMutexLocker locker(&mutex);
+        // we need to check once again that the mutex hasn't been created, since
+        // 2 threads could be trying to create a mutex at the same index...
+        if (!mutexes[index])
+            mutexes[index] = new QMutex(recurs ? QMutex::Recursive : QMutex::NonRecursive);
+    }
+
+    return mutexes[index];
+}
+
+/*!
+    Returns a QMutex from the global mutex pool.
+*/
+QMutex *QMutexPool::globalInstanceGet(const void *address)
+{
+    QMutexPool * const globalInstance = globalMutexPool();
+    if (globalInstance == 0)
+        return 0;
+    return globalInstance->get(address);
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
diff --git a/src/corelib/thread/qmutexpool_p.h b/src/corelib/thread/qmutexpool_p.h
new file mode 100644
index 0000000000..65a3b543fe
--- /dev/null
+++ b/src/corelib/thread/qmutexpool_p.h
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMUTEXPOOL_P_H
+#define QMUTEXPOOL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of QSettings. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qmutex.h"
+
+#ifndef QT_NO_THREAD
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QMutexPool
+{
+public:
+    explicit QMutexPool(bool recursive = false, int size = 128);
+    ~QMutexPool();
+
+    QMutex *get(const void *address);
+    static QMutexPool *instance();
+    static QMutex *globalInstanceGet(const void *address);
+
+private:
+    QMutex mutex;
+    QMutex **mutexes;
+    int count;
+    bool recurs;
+};
+
+extern Q_CORE_EXPORT QMutexPool *qt_global_mutexpool;
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
+
+#endif // QMUTEXPOOL_P_H
diff --git a/src/corelib/thread/qorderedmutexlocker_p.h b/src/corelib/thread/qorderedmutexlocker_p.h
new file mode 100644
index 0000000000..3b92e31dae
--- /dev/null
+++ b/src/corelib/thread/qorderedmutexlocker_p.h
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QORDEREDMUTEXLOCKER_P_H
+#define QORDEREDMUTEXLOCKER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+class QMutex;
+
+/*
+  Locks 2 mutexes in a defined order, avoiding a recursive lock if
+  we're trying to lock the same mutex twice.
+*/
+class QOrderedMutexLocker
+{
+public:
+    QOrderedMutexLocker(QMutex *m1, QMutex *m2)
+        : mtx1((m1 == m2) ? m1 : (m1 < m2 ? m1 : m2)),
+          mtx2((m1 == m2) ?  0 : (m1 < m2 ? m2 : m1)),
+          locked(false)
+    {
+        relock();
+    }
+    ~QOrderedMutexLocker()
+    {
+        unlock();
+    }
+
+    void relock()
+    {
+        if (!locked) {
+            if (mtx1) mtx1->lock();
+            if (mtx2) mtx2->lock();
+            locked = true;
+        }
+    }
+
+    void unlock()
+    {
+        if (locked) {
+            if (mtx1) mtx1->unlock();
+            if (mtx2) mtx2->unlock();
+            locked = false;
+        }
+    }
+
+    static bool relock(QMutex *mtx1, QMutex *mtx2)
+    {
+        // mtx1 is already locked, mtx2 not... do we need to unlock and relock?
+        if (mtx1 == mtx2)
+            return false;
+        if (mtx1 < mtx2) {
+            mtx2->lock();
+            return true;
+        }
+        mtx1->unlock();
+        mtx2->lock();
+        mtx1->lock();
+        return true;
+    }
+
+private:
+    QMutex *mtx1, *mtx2;
+    bool locked;
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/thread/qreadwritelock.cpp b/src/corelib/thread/qreadwritelock.cpp
new file mode 100644
index 0000000000..809e07f950
--- /dev/null
+++ b/src/corelib/thread/qreadwritelock.cpp
@@ -0,0 +1,584 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qreadwritelock.h"
+
+#ifndef QT_NO_THREAD
+#include "qmutex.h"
+#include "qthread.h"
+#include "qwaitcondition.h"
+
+#include "qreadwritelock_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/*! \class QReadWriteLock
+    \brief The QReadWriteLock class provides read-write locking.
+
+    \threadsafe
+
+    \ingroup thread
+    \ingroup environment
+
+    A read-write lock is a synchronization tool for protecting
+    resources that can be accessed for reading and writing. This type
+    of lock is useful if you want to allow multiple threads to have
+    simultaneous read-only access, but as soon as one thread wants to
+    write to the resource, all other threads must be blocked until
+    the writing is complete.
+
+    In many cases, QReadWriteLock is a direct competitor to QMutex.
+    QReadWriteLock is a good choice if there are many concurrent
+    reads and writing occurs infrequently.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qreadwritelock.cpp 0
+
+    To ensure that writers aren't blocked forever by readers, readers
+    attempting to obtain a lock will not succeed if there is a blocked
+    writer waiting for access, even if the lock is currently only
+    accessed by other readers. Also, if the lock is accessed by a
+    writer and another writer comes in, that writer will have
+    priority over any readers that might also be waiting.
+
+    Like QMutex, a QReadWriteLock can be recursively locked by the
+    same thread when constructed in
+    \l{QReadWriteLock::RecursionMode}recursive mode}.  In such cases,
+    unlock() must be called the same number of times lockForWrite() or
+    lockForRead() was called. Note that the lock type cannot be
+    changed when trying to lock recursively, i.e. it is not possible
+    to lock for reading in a thread that already has locked for
+    writing (and vice versa).
+
+    \sa QReadLocker, QWriteLocker, QMutex, QSemaphore
+*/
+
+/*! 
+    \enum QReadWriteLock::RecursionMode
+    \since 4.4
+
+    \value Recursive In this mode, a thread can lock the same
+    QReadWriteLock multiple times and the mutex won't be unlocked
+    until a corresponding number of unlock() calls have been made.
+
+    \value NonRecursive In this mode, a thread may only lock a
+    QReadWriteLock once.
+
+    \sa QReadWriteLock()
+*/
+
+/*!
+    Constructs a QReadWriteLock object in NonRecursive mode.
+
+    \sa lockForRead(), lockForWrite()
+*/
+QReadWriteLock::QReadWriteLock()
+    :d(new QReadWriteLockPrivate(NonRecursive))
+{ }
+
+/*!
+    \since 4.4
+
+    Constructs a QReadWriteLock object in the given \a recursionMode.
+
+    \sa lockForRead(), lockForWrite(), RecursionMode
+*/
+QReadWriteLock::QReadWriteLock(RecursionMode recursionMode)
+    : d(new QReadWriteLockPrivate(recursionMode))
+{ }
+
+/*!
+    Destroys the QReadWriteLock object.
+
+    \warning Destroying a read-write lock that is in use may result
+    in undefined behavior.
+*/
+QReadWriteLock::~QReadWriteLock()
+{
+    delete d;
+}
+
+/*!
+    Locks the lock for reading. This function will block the current
+    thread if any thread (including the current) has locked for
+    writing.
+
+    \sa unlock() lockForWrite() tryLockForRead()
+*/
+void QReadWriteLock::lockForRead()
+{
+    QMutexLocker lock(&d->mutex);
+
+    Qt::HANDLE self = 0;
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+
+        QHash<Qt::HANDLE, int>::iterator it = d->currentReaders.find(self);
+        if (it != d->currentReaders.end()) {
+            ++it.value();
+            ++d->accessCount;
+            Q_ASSERT_X(d->accessCount > 0, "QReadWriteLock::lockForRead()",
+                       "Overflow in lock counter");
+            return;
+        }
+    }
+
+    while (d->accessCount < 0 || d->waitingWriters) {
+        ++d->waitingReaders;
+        d->readerWait.wait(&d->mutex);
+        --d->waitingReaders;
+    }
+    if (d->recursive)
+        d->currentReaders.insert(self, 1);
+
+    ++d->accessCount;
+    Q_ASSERT_X(d->accessCount > 0, "QReadWriteLock::lockForRead()", "Overflow in lock counter");
+}
+
+/*!
+    Attempts to lock for reading. If the lock was obtained, this
+    function returns true, otherwise it returns false instead of
+    waiting for the lock to become available, i.e. it does not block.
+
+    The lock attempt will fail if another thread has locked for
+    writing.
+
+    If the lock was obtained, the lock must be unlocked with unlock()
+    before another thread can successfully lock it.
+
+    \sa unlock() lockForRead()
+*/
+bool QReadWriteLock::tryLockForRead()
+{
+    QMutexLocker lock(&d->mutex);
+
+    Qt::HANDLE self = 0;
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+
+        QHash<Qt::HANDLE, int>::iterator it = d->currentReaders.find(self);
+        if (it != d->currentReaders.end()) {
+            ++it.value();
+            ++d->accessCount;
+            Q_ASSERT_X(d->accessCount > 0, "QReadWriteLock::tryLockForRead()",
+                       "Overflow in lock counter");
+            return true;
+        }
+    }
+
+    if (d->accessCount < 0)
+        return false;
+    if (d->recursive)
+        d->currentReaders.insert(self, 1);
+
+    ++d->accessCount;
+    Q_ASSERT_X(d->accessCount > 0, "QReadWriteLock::tryLockForRead()", "Overflow in lock counter");
+
+    return true;
+}
+
+/*! \overload
+
+    Attempts to lock for reading. This function returns true if the
+    lock was obtained; otherwise it returns false. If another thread
+    has locked for writing, this function will wait for at most \a
+    timeout milliseconds for the lock to become available.
+
+    Note: Passing a negative number as the \a timeout is equivalent to
+    calling lockForRead(), i.e. this function will wait forever until
+    lock can be locked for reading when \a timeout is negative.
+
+    If the lock was obtained, the lock must be unlocked with unlock()
+    before another thread can successfully lock it.
+
+    \sa unlock() lockForRead()
+*/
+bool QReadWriteLock::tryLockForRead(int timeout)
+{
+    QMutexLocker lock(&d->mutex);
+
+    Qt::HANDLE self = 0;
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+
+        QHash<Qt::HANDLE, int>::iterator it = d->currentReaders.find(self);
+        if (it != d->currentReaders.end()) {
+            ++it.value();
+            ++d->accessCount;
+            Q_ASSERT_X(d->accessCount > 0, "QReadWriteLock::tryLockForRead()",
+                       "Overflow in lock counter");
+            return true;
+        }
+    }
+
+    while (d->accessCount < 0 || d->waitingWriters) {
+        ++d->waitingReaders;
+        bool success = d->readerWait.wait(&d->mutex, timeout < 0 ? ULONG_MAX : timeout);
+        --d->waitingReaders;
+        if (!success)
+            return false;
+    }
+    if (d->recursive)
+        d->currentReaders.insert(self, 1);
+
+    ++d->accessCount;
+    Q_ASSERT_X(d->accessCount > 0, "QReadWriteLock::tryLockForRead()", "Overflow in lock counter");
+
+    return true;
+}
+
+ /*!
+    Locks the lock for writing. This function will block the current
+    thread if another thread has locked for reading or writing.
+
+    \sa unlock() lockForRead() tryLockForWrite()
+ */
+void QReadWriteLock::lockForWrite()
+{
+    QMutexLocker lock(&d->mutex);
+
+    Qt::HANDLE self = 0;
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+
+        if (d->currentWriter == self) {
+            --d->accessCount;
+            Q_ASSERT_X(d->accessCount < 0, "QReadWriteLock::lockForWrite()",
+                       "Overflow in lock counter");
+            return;
+        }
+    }
+
+    while (d->accessCount != 0) {
+        ++d->waitingWriters;
+        d->writerWait.wait(&d->mutex);
+        --d->waitingWriters;
+    }
+    if (d->recursive)
+        d->currentWriter = self;
+
+    --d->accessCount;
+    Q_ASSERT_X(d->accessCount < 0, "QReadWriteLock::lockForWrite()", "Overflow in lock counter");
+}
+
+/*!
+    Attempts to lock for writing. If the lock was obtained, this
+    function returns true; otherwise, it returns false immediately.
+
+    The lock attempt will fail if another thread has locked for
+    reading or writing.
+
+    If the lock was obtained, the lock must be unlocked with unlock()
+    before another thread can successfully lock it.
+
+    \sa unlock() lockForWrite()
+*/
+bool QReadWriteLock::tryLockForWrite()
+{
+    QMutexLocker lock(&d->mutex);
+
+    Qt::HANDLE self = 0;
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+
+        if (d->currentWriter == self) {
+            --d->accessCount;
+            Q_ASSERT_X(d->accessCount < 0, "QReadWriteLock::lockForWrite()",
+                       "Overflow in lock counter");
+            return true;
+        }
+    }
+
+    if (d->accessCount != 0)
+        return false;
+    if (d->recursive)
+        d->currentWriter = self;
+
+    --d->accessCount;
+    Q_ASSERT_X(d->accessCount < 0, "QReadWriteLock::tryLockForWrite()",
+               "Overflow in lock counter");
+
+    return true;
+}
+
+/*! \overload
+
+    Attempts to lock for writing. This function returns true if the
+    lock was obtained; otherwise it returns false. If another thread
+    has locked for reading or writing, this function will wait for at
+    most \a timeout milliseconds for the lock to become available.
+
+    Note: Passing a negative number as the \a timeout is equivalent to
+    calling lockForWrite(), i.e. this function will wait forever until
+    lock can be locked for writing when \a timeout is negative.
+
+    If the lock was obtained, the lock must be unlocked with unlock()
+    before another thread can successfully lock it.
+
+    \sa unlock() lockForWrite()
+*/
+bool QReadWriteLock::tryLockForWrite(int timeout)
+{
+    QMutexLocker lock(&d->mutex);
+
+    Qt::HANDLE self = 0;
+    if (d->recursive) {
+        self = QThread::currentThreadId();
+
+        if (d->currentWriter == self) {
+            --d->accessCount;
+            Q_ASSERT_X(d->accessCount < 0, "QReadWriteLock::lockForWrite()",
+                       "Overflow in lock counter");
+            return true;
+        }
+    }
+
+    while (d->accessCount != 0) {
+        ++d->waitingWriters;
+        bool success = d->writerWait.wait(&d->mutex, timeout < 0 ? ULONG_MAX : timeout);
+        --d->waitingWriters;
+
+        if (!success)
+            return false;
+    }
+    if (d->recursive)
+        d->currentWriter = self;
+
+    --d->accessCount;
+    Q_ASSERT_X(d->accessCount < 0, "QReadWriteLock::tryLockForWrite()",
+               "Overflow in lock counter");
+
+    return true;
+}
+
+/*!
+    Unlocks the lock.
+
+    Attempting to unlock a lock that is not locked is an error, and will result
+    in program termination.
+
+    \sa lockForRead() lockForWrite() tryLockForRead() tryLockForWrite()
+*/
+void QReadWriteLock::unlock()
+{
+    QMutexLocker lock(&d->mutex);
+
+    Q_ASSERT_X(d->accessCount != 0, "QReadWriteLock::unlock()", "Cannot unlock an unlocked lock");
+
+    bool unlocked = false;
+    if (d->accessCount > 0) {
+        // releasing a read lock
+        if (d->recursive) {
+            Qt::HANDLE self = QThread::currentThreadId();
+            QHash<Qt::HANDLE, int>::iterator it = d->currentReaders.find(self);
+            if (it != d->currentReaders.end()) {
+                if (--it.value() <= 0)
+                    d->currentReaders.erase(it);
+            }
+        }
+
+        unlocked = --d->accessCount == 0;
+    } else if (d->accessCount < 0 && ++d->accessCount == 0) {
+        // released a write lock
+        unlocked = true;
+        d->currentWriter = 0;
+    }
+
+    if (unlocked) {
+        if (d->waitingWriters) {
+            d->writerWait.wakeOne();
+        } else if (d->waitingReaders) {
+            d->readerWait.wakeAll();
+        }
+    }
+}
+
+/*!
+    \class QReadLocker
+    \brief The QReadLocker class is a convenience class that
+    simplifies locking and unlocking read-write locks for read access.
+
+    \threadsafe
+
+    \ingroup thread
+    \ingroup environment
+
+    The purpose of QReadLocker (and QWriteLocker) is to simplify
+    QReadWriteLock locking and unlocking. Locking and unlocking
+    statements or in exception handling code is error-prone and
+    difficult to debug. QReadLocker can be used in such situations
+    to ensure that the state of the lock is always well-defined.
+
+    Here's an example that uses QReadLocker to lock and unlock a
+    read-write lock for reading:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qreadwritelock.cpp 1
+
+    It is equivalent to the following code:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qreadwritelock.cpp 2
+
+    The QMutexLocker documentation shows examples where the use of a
+    locker object greatly simplifies programming.
+
+    \sa QWriteLocker, QReadWriteLock
+*/
+
+/*!
+    \fn QReadLocker::QReadLocker(QReadWriteLock *lock)
+
+    Constructs a QReadLocker and locks \a lock for reading. The lock
+    will be unlocked when the QReadLocker is destroyed. If \c lock is
+    zero, QReadLocker does nothing.
+
+    \sa QReadWriteLock::lockForRead()
+*/
+
+/*!
+    \fn QReadLocker::~QReadLocker()
+
+    Destroys the QReadLocker and unlocks the lock that was passed to
+    the constructor.
+
+    \sa QReadWriteLock::unlock()
+*/
+
+/*!
+    \fn void QReadLocker::unlock()
+
+    Unlocks the lock associated with this locker.
+
+    \sa QReadWriteLock::unlock()
+*/
+
+/*!
+    \fn void QReadLocker::relock()
+
+    Relocks an unlocked lock.
+
+    \sa unlock()
+*/
+
+/*!
+    \fn QReadWriteLock *QReadLocker::readWriteLock() const
+
+    Returns a pointer to the read-write lock that was passed
+    to the constructor.
+*/
+
+/*!
+    \class QWriteLocker
+    \brief The QWriteLocker class is a convenience class that
+    simplifies locking and unlocking read-write locks for write access.
+
+    \threadsafe
+
+    \ingroup thread
+    \ingroup environment
+
+    The purpose of QWriteLocker (and QReadLocker is to simplify
+    QReadWriteLock locking and unlocking. Locking and unlocking
+    statements or in exception handling code is error-prone and
+    difficult to debug. QWriteLocker can be used in such situations
+    to ensure that the state of the lock is always well-defined.
+
+    Here's an example that uses QWriteLocker to lock and unlock a
+    read-write lock for writing:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qreadwritelock.cpp 3
+
+    It is equivalent to the following code:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qreadwritelock.cpp 4
+
+    The QMutexLocker documentation shows examples where the use of a
+    locker object greatly simplifies programming.
+
+    \sa QReadLocker, QReadWriteLock
+*/
+
+/*!
+    \fn QWriteLocker::QWriteLocker(QReadWriteLock *lock)
+
+    Constructs a QWriteLocker and locks \a lock for writing. The lock
+    will be unlocked when the QWriteLocker is destroyed. If \c lock is
+    zero, QWriteLocker does nothing.
+
+    \sa QReadWriteLock::lockForWrite()
+*/
+
+/*!
+    \fn QWriteLocker::~QWriteLocker()
+
+    Destroys the QWriteLocker and unlocks the lock that was passed to
+    the constructor.
+
+    \sa QReadWriteLock::unlock()
+*/
+
+/*!
+    \fn void QWriteLocker::unlock()
+
+    Unlocks the lock associated with this locker.
+
+    \sa QReadWriteLock::unlock()
+*/
+
+/*!
+    \fn void QWriteLocker::relock()
+
+    Relocks an unlocked lock.
+
+    \sa unlock()
+*/
+
+/*!
+    \fn QReadWriteLock *QWriteLocker::readWriteLock() const
+
+    Returns a pointer to the read-write lock that was passed
+    to the constructor.
+*/
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
diff --git a/src/corelib/thread/qreadwritelock.h b/src/corelib/thread/qreadwritelock.h
new file mode 100644
index 0000000000..c8df73808d
--- /dev/null
+++ b/src/corelib/thread/qreadwritelock.h
@@ -0,0 +1,244 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QREADWRITELOCK_H
+#define QREADWRITELOCK_H
+
+#include <QtCore/qglobal.h>
+#include <limits.h> // ### Qt 5: remove
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_THREAD
+
+struct QReadWriteLockPrivate;
+
+class Q_CORE_EXPORT QReadWriteLock
+{
+public:
+    enum RecursionMode { NonRecursive, Recursive };
+
+    QReadWriteLock(); // ### Qt 5: merge with below
+    QReadWriteLock(RecursionMode recursionMode);
+    ~QReadWriteLock();
+
+    void lockForRead();
+    bool tryLockForRead();
+    bool tryLockForRead(int timeout);
+
+    void lockForWrite();
+    bool tryLockForWrite();
+    bool tryLockForWrite(int timeout);
+
+    void unlock();
+
+private:
+    Q_DISABLE_COPY(QReadWriteLock)
+    QReadWriteLockPrivate *d;
+
+    friend class QWaitCondition;
+};
+
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4312 ) // ignoring the warning from /Wp64
+#endif
+
+class Q_CORE_EXPORT QReadLocker
+{
+public:
+    inline QReadLocker(QReadWriteLock *readWriteLock);
+
+    inline ~QReadLocker()
+    { unlock(); }
+
+    inline void unlock()
+    {
+        if (q_lock) {
+            if ((q_val & quintptr(1u)) == quintptr(1u)) {
+                q_val &= ~quintptr(1u);
+                q_lock->unlock();
+            }
+        }
+    }
+
+    inline void relock()
+    {
+        if (q_lock) {
+            if ((q_val & quintptr(1u)) == quintptr(0u)) {
+                q_lock->lockForRead();
+                q_val |= quintptr(1u);
+            }
+        }
+    }
+
+    inline QReadWriteLock *readWriteLock() const
+    { return reinterpret_cast<QReadWriteLock *>(q_val & ~quintptr(1u)); }
+
+private:
+    Q_DISABLE_COPY(QReadLocker)
+    union {
+        QReadWriteLock *q_lock;
+        quintptr q_val;
+    };
+};
+
+inline QReadLocker::QReadLocker(QReadWriteLock *areadWriteLock)
+    : q_lock(areadWriteLock)
+{
+    Q_ASSERT_X((q_val & quintptr(1u)) == quintptr(0),
+               "QReadLocker", "QReadWriteLock pointer is misaligned");
+    relock();
+}
+
+class Q_CORE_EXPORT QWriteLocker
+{
+public:
+    inline QWriteLocker(QReadWriteLock *readWriteLock);
+
+    inline ~QWriteLocker()
+    { unlock(); }
+
+    inline void unlock()
+    {
+        if (q_lock) {
+            if ((q_val & quintptr(1u)) == quintptr(1u)) {
+                q_val &= ~quintptr(1u);
+                q_lock->unlock();
+            }
+        }
+    }
+
+    inline void relock()
+    {
+        if (q_lock) {
+            if ((q_val & quintptr(1u)) == quintptr(0u)) {
+                q_lock->lockForWrite();
+                q_val |= quintptr(1u);
+            }
+        }
+    }
+
+    inline QReadWriteLock *readWriteLock() const
+    { return reinterpret_cast<QReadWriteLock *>(q_val & ~quintptr(1u)); }
+
+
+private:
+    Q_DISABLE_COPY(QWriteLocker)
+    union{
+        QReadWriteLock *q_lock;
+        quintptr q_val;
+    };
+};
+
+inline QWriteLocker::QWriteLocker(QReadWriteLock *areadWriteLock)
+    : q_lock(areadWriteLock)
+{
+    Q_ASSERT_X((q_val & quintptr(1u)) == quintptr(0),
+               "QWriteLocker", "QReadWriteLock pointer is misaligned");
+    relock();
+}
+
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+
+#else // QT_NO_THREAD
+
+class Q_CORE_EXPORT QReadWriteLock
+{
+public:
+    inline explicit QReadWriteLock() { }
+    inline ~QReadWriteLock() { }
+
+    static inline void lockForRead() { }
+    static inline bool tryLockForRead() { return true; }
+    static inline bool tryLockForRead(int timeout) { Q_UNUSED(timeout); return true; }
+
+    static inline void lockForWrite() { }
+    static inline bool tryLockForWrite() { return true; }
+    static inline bool tryLockForWrite(int timeout) { Q_UNUSED(timeout); return true; }
+
+    static inline void unlock() { }
+
+private:
+    Q_DISABLE_COPY(QReadWriteLock)
+};
+
+class Q_CORE_EXPORT QReadLocker
+{
+public:
+    inline QReadLocker(QReadWriteLock *) { }
+    inline ~QReadLocker() { }
+
+    static inline void unlock() { }
+    static inline void relock() { }
+    static inline QReadWriteLock *readWriteLock() { return 0; }
+
+private:
+    Q_DISABLE_COPY(QReadLocker)
+};
+
+class Q_CORE_EXPORT QWriteLocker
+{
+public:
+    inline explicit QWriteLocker(QReadWriteLock *) { }
+    inline ~QWriteLocker() { }
+
+    static inline void unlock() { }
+    static inline void relock() { }
+    static inline QReadWriteLock *readWriteLock() { return 0; }
+
+private:
+    Q_DISABLE_COPY(QWriteLocker)
+};
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QREADWRITELOCK_H
diff --git a/src/corelib/thread/qreadwritelock_p.h b/src/corelib/thread/qreadwritelock_p.h
new file mode 100644
index 0000000000..a813aa6596
--- /dev/null
+++ b/src/corelib/thread/qreadwritelock_p.h
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QREADWRITELOCK_P_H
+#define QREADWRITELOCK_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the implementation.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qhash.h>
+
+#ifndef QT_NO_THREAD
+
+QT_BEGIN_NAMESPACE
+
+struct QReadWriteLockPrivate
+{
+    QReadWriteLockPrivate(QReadWriteLock::RecursionMode recursionMode)
+        : accessCount(0), waitingReaders(0), waitingWriters(0),
+          recursive(recursionMode == QReadWriteLock::Recursive), currentWriter(0)
+    { }
+
+    QMutex mutex;
+    QWaitCondition readerWait;
+    QWaitCondition writerWait;
+
+    int accessCount;
+    int waitingReaders;
+    int waitingWriters;
+
+    bool recursive;
+    Qt::HANDLE currentWriter;
+    QHash<Qt::HANDLE, int> currentReaders;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
+
+#endif // QREADWRITELOCK_P_H
diff --git a/src/corelib/thread/qsemaphore.cpp b/src/corelib/thread/qsemaphore.cpp
new file mode 100644
index 0000000000..82c3607f81
--- /dev/null
+++ b/src/corelib/thread/qsemaphore.cpp
@@ -0,0 +1,235 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsemaphore.h"
+
+#ifndef QT_NO_THREAD
+#include "qmutex.h"
+#include "qwaitcondition.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QSemaphore
+    \brief The QSemaphore class provides a general counting semaphore.
+
+    \threadsafe
+
+    \ingroup thread
+    \ingroup environment
+
+    A semaphore is a generalization of a mutex. While a mutex can
+    only be locked once, it's possible to acquire a semaphore
+    multiple times. Semaphores are typically used to protect a
+    certain number of identical resources.
+
+    Semaphores support two fundamental operations, acquire() and
+    release():
+
+    \list
+    \o acquire(\e{n}) tries to acquire \e n resources. If there aren't
+       that many resources available, the call will block until this
+       is the case.
+    \o release(\e{n}) releases \e n resources.
+    \endlist
+
+    There's also a tryAcquire() function that returns immediately if
+    it cannot acquire the resources, and an available() function that
+    returns the number of available resources at any time.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qsemaphore.cpp 0
+
+    A typical application of semaphores is for controlling access to
+    a circular buffer shared by a producer thread and a consumer
+    thread. The \l{threads/semaphores}{Semaphores} example shows how
+    to use QSemaphore to solve that problem.
+
+    A non-computing example of a semaphore would be dining at a
+    restaurant. A semaphore is initialized with the number of chairs
+    in the restaurant. As people arrive, they want a seat. As seats
+    are filled, available() is decremented. As people leave, the
+    available() is incremented, allowing more people to enter. If a
+    party of 10 people want to be seated, but there are only 9 seats,
+    those 10 people will wait, but a party of 4 people would be
+    seated (taking the available seats to 5, making the party of 10
+    people wait longer).
+
+    \sa QMutex, QWaitCondition, QThread, {Semaphores Example}
+*/
+
+class QSemaphorePrivate {
+public:
+    inline QSemaphorePrivate(int n) : avail(n) { }
+
+    QMutex mutex;
+    QWaitCondition cond;
+
+    int avail;
+};
+
+/*!
+    Creates a new semaphore and initializes the number of resources
+    it guards to \a n (by default, 0).
+
+    \sa release(), available()
+*/
+QSemaphore::QSemaphore(int n)
+{
+    Q_ASSERT_X(n >= 0, "QSemaphore", "parameter 'n' must be non-negative");
+    d = new QSemaphorePrivate(n);
+}
+
+/*!
+    Destroys the semaphore.
+
+    \warning Destroying a semaphore that is in use may result in
+    undefined behavior.
+*/
+QSemaphore::~QSemaphore()
+{ delete d; }
+
+/*!
+    Tries to acquire \c n resources guarded by the semaphore. If \a n
+    > available(), this call will block until enough resources are
+    available.
+
+    \sa release(), available(), tryAcquire()
+*/
+void QSemaphore::acquire(int n)
+{
+    Q_ASSERT_X(n >= 0, "QSemaphore::acquire", "parameter 'n' must be non-negative");
+    QMutexLocker locker(&d->mutex);
+    while (n > d->avail)
+        d->cond.wait(locker.mutex());
+    d->avail -= n;
+}
+
+/*!
+    Releases \a n resources guarded by the semaphore.
+
+    This function can be used to "create" resources as well. For
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qsemaphore.cpp 1
+
+    \sa acquire(), available()
+*/
+void QSemaphore::release(int n)
+{
+    Q_ASSERT_X(n >= 0, "QSemaphore::release", "parameter 'n' must be non-negative");
+    QMutexLocker locker(&d->mutex);
+    d->avail += n;
+    d->cond.wakeAll();
+}
+
+/*!
+    Returns the number of resources currently available to the
+    semaphore. This number can never be negative.
+
+    \sa acquire(), release()
+*/
+int QSemaphore::available() const
+{
+    QMutexLocker locker(&d->mutex);
+    return d->avail;
+}
+
+/*!
+    Tries to acquire \c n resources guarded by the semaphore and
+    returns true on success. If available() < \a n, this call
+    immediately returns false without acquiring any resources.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qsemaphore.cpp 2
+
+    \sa acquire()
+*/
+bool QSemaphore::tryAcquire(int n)
+{
+    Q_ASSERT_X(n >= 0, "QSemaphore::tryAcquire", "parameter 'n' must be non-negative");
+    QMutexLocker locker(&d->mutex);
+    if (n > d->avail)
+        return false;
+    d->avail -= n;
+    return true;
+}
+
+/*!
+    Tries to acquire \c n resources guarded by the semaphore and
+    returns true on success. If available() < \a n, this call will
+    wait for at most \a timeout milliseconds for resources to become
+    available.
+
+    Note: Passing a negative number as the \a timeout is equivalent to
+    calling acquire(), i.e. this function will wait forever for
+    resources to become available if \a timeout is negative.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qsemaphore.cpp 3
+
+    \sa acquire()
+*/
+bool QSemaphore::tryAcquire(int n, int timeout)
+{
+    Q_ASSERT_X(n >= 0, "QSemaphore::tryAcquire", "parameter 'n' must be non-negative");
+    QMutexLocker locker(&d->mutex);
+    if (timeout < 0) {
+        while (n > d->avail)
+            d->cond.wait(locker.mutex());
+    } else {
+        while (n > d->avail) {
+            if (!d->cond.wait(locker.mutex(), timeout))
+                return false;
+        }
+    }
+    d->avail -= n;
+    return true;
+
+
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
diff --git a/src/corelib/thread/qsemaphore.h b/src/corelib/thread/qsemaphore.h
new file mode 100644
index 0000000000..6bc1920641
--- /dev/null
+++ b/src/corelib/thread/qsemaphore.h
@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSEMAPHORE_H
+#define QSEMAPHORE_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_THREAD
+
+class QSemaphorePrivate;
+
+class Q_CORE_EXPORT QSemaphore
+{
+public:
+    explicit QSemaphore(int n = 0);
+    ~QSemaphore();
+
+    void acquire(int n = 1);
+    bool tryAcquire(int n = 1);
+    bool tryAcquire(int n, int timeout);
+
+    void release(int n = 1);
+
+    int available() const;
+
+private:
+    Q_DISABLE_COPY(QSemaphore)
+
+    QSemaphorePrivate *d;
+};
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSEMAPHORE_H
diff --git a/src/corelib/thread/qthread.cpp b/src/corelib/thread/qthread.cpp
new file mode 100644
index 0000000000..7f8789744e
--- /dev/null
+++ b/src/corelib/thread/qthread.cpp
@@ -0,0 +1,730 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qthread.h"
+#include "qthreadstorage.h"
+#include "qmutex.h"
+#include "qmutexpool_p.h"
+#include "qreadwritelock.h"
+#include "qabstracteventdispatcher.h"
+
+#include <qeventloop.h>
+#include <qhash.h>
+
+#include "qthread_p.h"
+#include "private/qcoreapplication_p.h"
+
+/*
+#ifdef Q_OS_WIN32
+# include "qt_windows.h"
+#else
+# include <unistd.h>
+# include <netinet/in.h>
+# include <sys/utsname.h>
+# include <sys/socket.h>
+*/
+/*
+#  elif defined(Q_OS_HPUX)
+#   include <sys/pstat.h>
+#  elif defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD) || defined(Q_OS_MAC)
+#   include <sys/sysctl.h>
+#  endif
+#endif
+*/
+
+QT_BEGIN_NAMESPACE
+
+/*
+  QThreadData
+*/
+
+QThreadData::QThreadData(int initialRefCount)
+    : _ref(initialRefCount), thread(0),
+      quitNow(false), loopLevel(0), eventDispatcher(0), canWait(true)
+{
+    // fprintf(stderr, "QThreadData %p created\n", this);
+}
+
+QThreadData::~QThreadData()
+{
+    Q_ASSERT(_ref == 0);
+
+    // In the odd case that Qt is running on a secondary thread, the main
+    // thread instance will have been dereffed asunder because of the deref in
+    // QThreadData::current() and the deref in the pthread_destroy. To avoid
+    // crashing during QCoreApplicationData's global static cleanup we need to
+    // safeguard the main thread here.. This fix is a bit crude, but it solves
+    // the problem...
+    if (this->thread == QCoreApplicationPrivate::theMainThread) {
+       QCoreApplicationPrivate::theMainThread = 0;
+    }
+
+    QThread *t = thread;
+    thread = 0;
+    delete t;
+
+    for (int i = 0; i < postEventList.size(); ++i) {
+        const QPostEvent &pe = postEventList.at(i);
+        if (pe.event) {
+            --pe.receiver->d_func()->postedEvents;
+            pe.event->posted = false;
+            delete pe.event;
+        }
+    }
+
+    // fprintf(stderr, "QThreadData %p destroyed\n", this);
+}
+
+QThreadData *QThreadData::get2(QThread *thread)
+{
+    Q_ASSERT_X(thread != 0, "QThread", "internal error");
+    return thread->d_func()->data;
+}
+
+void QThreadData::ref()
+{
+#ifndef QT_NO_THREAD
+    (void) _ref.ref();
+    Q_ASSERT(_ref != 0);
+#endif
+}
+
+void QThreadData::deref()
+{
+#ifndef QT_NO_THREAD
+    if (!_ref.deref())
+        delete this;
+#endif
+}
+
+
+#ifndef QT_NO_THREAD
+/*
+  QThreadPrivate
+*/
+
+QThreadPrivate::QThreadPrivate(QThreadData *d)
+    : QObjectPrivate(), running(false), finished(false), terminated(false),
+      stackSize(0), priority(QThread::InheritPriority), data(d)
+{
+#if defined (Q_OS_UNIX)
+    thread_id = 0;
+#elif defined (Q_WS_WIN)
+    handle = 0;
+    id = 0;
+    waiters = 0;
+    terminationEnabled = true;
+    terminatePending = false;
+#endif
+
+    if (!data)
+        data = new QThreadData;
+}
+
+QThreadPrivate::~QThreadPrivate()
+{
+    data->deref();
+}
+
+/*
+  QAdoptedThread
+*/
+
+QAdoptedThread::QAdoptedThread(QThreadData *data)
+    : QThread(*new QThreadPrivate(data))
+{
+    // thread should be running and not finished for the lifetime
+    // of the application (even if QCoreApplication goes away)
+    d_func()->running = true;
+    d_func()->finished = false;
+    init();
+
+    // fprintf(stderr, "new QAdoptedThread = %p\n", this);
+}
+
+QAdoptedThread::~QAdoptedThread()
+{
+    QThreadPrivate::finish(this);
+
+    // fprintf(stderr, "~QAdoptedThread = %p\n", this);
+}
+
+QThread *QAdoptedThread::createThreadForAdoption()
+{
+    QThread *t = new QAdoptedThread(0);
+    t->moveToThread(t);
+    return t;
+}
+
+void QAdoptedThread::run()
+{
+    // this function should never be called
+    qFatal("QAdoptedThread::run(): Internal error, this implementation should never be called.");
+}
+
+/*!
+    \class QThread
+    \brief The QThread class provides platform-independent threads.
+
+    \ingroup thread
+    \ingroup environment
+    \mainclass
+
+    A QThread represents a separate thread of control within the
+    program; it shares data with all the other threads within the
+    process but executes independently in the way that a separate
+    program does on a multitasking operating system. Instead of
+    starting in \c main(), QThreads begin executing in run().  By
+    default, run() starts the event loop by calling exec() (see
+    below). To create your own threads, subclass QThread and
+    reimplement run(). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_thread_qthread.cpp 0
+
+    This will create a QTcpSocket in the thread and then execute the
+    thread's event loop. Use the start() method to begin execution.
+    Execution ends when you return from run(), just as an application
+    does when it leaves main(). QThread will notifiy you via a signal
+    when the thread is started(), finished(), and terminated(), or
+    you can use isFinished() and isRunning() to query the state of
+    the thread. Use wait() to block until the thread has finished
+    execution.
+
+    Each thread gets its own stack from the operating system. The
+    operating system also determines the default size of the stack.
+    You can use setStackSize() to set a custom stack size.
+
+    Each QThread can have its own event loop. You can start the event
+    loop by calling exec(); you can stop it by calling exit() or
+    quit(). Having an event loop in a thread makes it possible to
+    connect signals from other threads to slots in this thread, using
+    a mechanism called \l{Qt::QueuedConnection}{queued
+    connections}. It also makes it possible to use classes that
+    require the event loop, such as QTimer and QTcpSocket, in the
+    thread. Note, however, that it is not possible to use any widget
+    classes in the thread.
+
+    In extreme cases, you may want to forcibly terminate() an
+    executing thread. However, doing so is dangerous and discouraged.
+    Please read the documentation for terminate() and
+    setTerminationEnabled() for detailed information.
+
+    The static functions currentThreadId() and currentThread() return
+    identifiers for the currently executing thread. The former
+    returns a platform specific ID for the thread; the latter returns
+    a QThread pointer.
+
+    QThread also provides platform independent sleep functions in
+    varying resolutions. Use sleep() for full second resolution,
+    msleep() for millisecond resolution, and usleep() for microsecond
+    resolution.
+
+    \sa {Thread Support in Qt}, QThreadStorage, QMutex, QSemaphore, QWaitCondition,
+        {Mandelbrot Example}, {Semaphores Example}, {Wait Conditions Example}
+*/
+
+/*!
+    \fn Qt::HANDLE QThread::currentThreadId()
+
+    Returns the thread handle of the currently executing thread.
+
+    \warning The handle returned by this function is used for internal
+    purposes and should not be used in any application code. On
+    Windows, the returned value is a pseudo-handle for the current
+    thread that cannot be used for numerical comparison.
+*/
+
+/*!
+    \fn int QThread::idealThreadCount()
+
+    Returns the ideal number of threads that can be run on the system. This is done querying
+    the number of processor cores, both real and logical, in the system. This function returns -1
+    if the number of processor cores could not be detected.
+*/
+
+/*!
+    \fn void QThread::yieldCurrentThread()
+
+    Yields execution of the current thread to another runnable thread,
+    if any. Note that the operating system decides to which thread to
+    switch.
+*/
+
+/*!
+    \fn void QThread::start(Priority priority)
+
+    Begins execution of the thread by calling run(), which should be
+    reimplemented in a QThread subclass to contain your code. The
+    operating system will schedule the thread according to the \a
+    priority parameter. If the thread is already running, this
+    function does nothing.
+
+    \sa run(), terminate()
+*/
+
+/*!
+    \fn void QThread::started()
+
+    This signal is emitted when the thread starts executing.
+
+    \sa finished(), terminated()
+*/
+
+/*!
+    \fn void QThread::finished()
+
+    This signal is emitted when the thread has finished executing.
+
+    \sa started(), terminated()
+*/
+
+/*!
+    \fn void QThread::terminated()
+
+    This signal is emitted when the thread is terminated.
+
+    \sa started(), finished()
+*/
+
+/*!
+    \enum QThread::Priority
+
+    This enum type indicates how the operating system should schedule
+    newly created threads.
+
+    \value IdlePriority scheduled only when no other threads are
+           running.
+
+    \value LowestPriority scheduled less often than LowPriority.
+    \value LowPriority scheduled less often than NormalPriority.
+
+    \value NormalPriority the default priority of the operating
+           system.
+
+    \value HighPriority scheduled more often than NormalPriority.
+    \value HighestPriority scheduled more often than HighPriority.
+
+    \value TimeCriticalPriority scheduled as often as possible.
+
+    \value InheritPriority use the same priority as the creating
+           thread. This is the default.
+*/
+
+/*!
+    Returns a pointer to a QThread which represents the currently
+    executing thread.
+*/
+QThread *QThread::currentThread()
+{
+    QThreadData *data = QThreadData::current();
+    Q_ASSERT(data != 0);
+    return data->thread;
+}
+
+/*!
+    Constructs a new thread with the given \a parent. The thread does
+    not begin executing until start() is called.
+
+    \sa start()
+*/
+QThread::QThread(QObject *parent)
+    : QObject(*(new QThreadPrivate), parent)
+{
+    Q_D(QThread);
+    // fprintf(stderr, "QThreadData %p created for thread %p\n", d->data, this);
+    d->data->thread = this;
+}
+
+/*! \internal
+ */
+QThread::QThread(QThreadPrivate &dd, QObject *parent)
+    : QObject(dd, parent)
+{
+    Q_D(QThread);
+    // fprintf(stderr, "QThreadData %p taken from private data for thread %p\n", d->data, this);
+    d->data->thread = this;
+}
+
+/*!
+    Destroys the thread.
+
+    Note that deleting a QThread object will not stop the execution
+    of the thread it represents. Deleting a running QThread (i.e.
+    isFinished() returns false) will probably result in a program
+    crash. You can wait() on a thread to make sure that it has
+    finished.
+*/
+QThread::~QThread()
+{
+    Q_D(QThread);
+    {
+        QMutexLocker locker(&d->mutex);
+        if (d->running && !d->finished)
+            qWarning("QThread: Destroyed while thread is still running");
+
+        d->data->thread = 0;
+    }
+}
+
+/*!
+    Returns true if the thread is finished; otherwise returns false.
+
+    \sa isRunning()
+*/
+bool QThread::isFinished() const
+{
+    Q_D(const QThread);
+    QMutexLocker locker(&d->mutex);
+    return d->finished;
+}
+
+/*!
+    Returns true if the thread is running; otherwise returns false.
+
+    \sa isFinished()
+*/
+bool QThread::isRunning() const
+{
+    Q_D(const QThread);
+    QMutexLocker locker(&d->mutex);
+    return d->running;
+}
+
+/*!
+    Sets the maximum stack size for the thread to \a stackSize. If \a
+    stackSize is greater than zero, the maximum stack size is set to
+    \a stackSize bytes, otherwise the maximum stack size is
+    automatically determined by the operating system.
+
+    \warning Most operating systems place minimum and maximum limits
+    on thread stack sizes. The thread will fail to start if the stack
+    size is outside these limits.
+
+    \sa stackSize()
+*/
+void QThread::setStackSize(uint stackSize)
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+    Q_ASSERT_X(!d->running, "QThread::setStackSize",
+               "cannot change stack size while the thread is running");
+    d->stackSize = stackSize;
+}
+
+/*!
+    Returns the maximum stack size for the thread (if set with
+    setStackSize()); otherwise returns zero.
+
+    \sa setStackSize()
+*/
+uint QThread::stackSize() const
+{
+    Q_D(const QThread);
+    QMutexLocker locker(&d->mutex);
+    return d->stackSize;
+}
+
+/*!
+    Enters the event loop and waits until exit() is called, returning the value
+    that was passed to exit(). The value returned is 0 if exit() is called via
+    quit().
+
+    It is necessary to call this function to start event handling.
+
+    \sa quit(), exit()
+*/
+int QThread::exec()
+{
+    Q_D(QThread);
+    d->mutex.lock();
+    d->data->quitNow = false;
+    QEventLoop eventLoop;
+    d->mutex.unlock();
+    int returnCode = eventLoop.exec();
+    return returnCode;
+}
+
+/*!
+    Tells the thread's event loop to exit with a return code.
+
+    After calling this function, the thread leaves the event loop and
+    returns from the call to QEventLoop::exec(). The
+    QEventLoop::exec() function returns \a returnCode.
+
+    By convention, a \a returnCode of 0 means success, any non-zero value
+    indicates an error.
+
+    Note that unlike the C library function of the same name, this
+    function \e does return to the caller -- it is event processing
+    that stops.
+
+    This function does nothing if the thread does not have an event
+    loop.
+
+    \sa quit() QEventLoop
+*/
+void QThread::exit(int returnCode)
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+    d->data->quitNow = true;
+    for (int i = 0; i < d->data->eventLoops.size(); ++i) {
+        QEventLoop *eventLoop = d->data->eventLoops.at(i);
+        eventLoop->exit(returnCode);
+    }
+}
+
+/*!
+    Tells the thread's event loop to exit with return code 0 (success).
+    Equivalent to calling QThread::exit(0).
+
+    This function does nothing if the thread does not have an event
+    loop.
+
+    \sa exit() QEventLoop
+*/
+void QThread::quit()
+{ exit(); }
+
+/*!
+    The starting point for the thread. After calling start(), the
+    newly created thread calls this function. The default
+    implementation simply calls exec().
+
+    You can reimplemented this function to do other useful
+    work. Returning from this method will end the execution of the
+    thread.
+
+    \sa start() wait()
+*/
+void QThread::run()
+{
+    (void) exec();
+}
+
+/*! \internal
+    Initializes the QThread system.
+*/
+#if defined (Q_OS_WIN)
+void qt_create_tls();
+#endif
+
+void QThread::initialize()
+{
+    if (qt_global_mutexpool)
+        return;
+    qt_global_mutexpool = QMutexPool::instance();
+
+#if defined (Q_OS_WIN)
+    qt_create_tls();
+#endif
+}
+
+
+/*! \internal
+    Cleans up the QThread system.
+*/
+void QThread::cleanup()
+{
+    qt_global_mutexpool = 0;
+}
+
+/*!
+    \fn bool QThread::finished() const
+
+    Use isFinished() instead.
+*/
+
+/*!
+    \fn bool QThread::running() const
+
+    Use isRunning() instead.
+*/
+
+/*! \fn void QThread::setPriority(Priority priority)
+    \since 4.1
+
+    This function sets the \a priority for a running thread. If the
+    thread is not running, this function does nothing and returns
+    immediately.  Use start() to start a thread with a specific
+    priority.
+
+    The \a priority argument can be any value in the \c
+    QThread::Priority enum except for \c InheritPriorty.
+
+    \sa Priority priority() start()
+*/
+
+/*!
+    \since 4.1
+
+    Returns the priority for a running thread.  If the thread is not
+    running, this function returns \c InheritPriority.
+
+    \sa Priority setPriority() start()
+*/
+QThread::Priority QThread::priority() const
+{
+    Q_D(const QThread);
+    QMutexLocker locker(&d->mutex);
+    return d->priority;
+}
+
+/*!
+    \fn void QThread::sleep(unsigned long secs)
+
+    Forces the current thread to sleep for \a secs seconds.
+
+    \sa msleep(), usleep()
+*/
+
+/*!
+    \fn void QThread::msleep(unsigned long msecs)
+
+    Causes the current thread to sleep for \a msecs milliseconds.
+
+    \sa sleep(), usleep()
+*/
+
+/*!
+    \fn void QThread::usleep(unsigned long usecs)
+
+    Causes the current thread to sleep for \a usecs microseconds.
+
+    \sa sleep(), msleep()
+*/
+
+/*!
+    \fn void QThread::terminate()
+
+    Terminates the execution of the thread. The thread may or may not
+    be terminated immediately, depending on the operating systems
+    scheduling policies. Use QThread::wait() after terminate() for
+    synchronous termination.
+
+    When the thread is terminated, all threads waiting for the thread
+    to finish will be woken up.
+
+    \warning This function is dangerous and its use is discouraged.
+    The thread can be terminate at any point in its code path.
+    Threads can be terminated while modifying data. There is no
+    chance for the thread to cleanup after itself, unlock any held
+    mutexes, etc. In short, use this function only if absolutely
+    necessary.
+
+    Termination can be explicitly enabled or disabled by calling
+    QThread::setTerminationEnabled(). Calling this function while
+    termination is disabled results in the termination being
+    deferred, until termination is re-enabled. See the documentation
+    of QThread::setTerminationEnabled() for more information.
+
+    \sa setTerminationEnabled()
+*/
+
+/*!
+    \fn bool QThread::wait(unsigned long time)
+
+    Blocks the thread until either of these conditions is met:
+
+    \list
+    \o The thread associated with this QThread object has finished
+       execution (i.e. when it returns from \l{run()}). This function
+       will return true if the thread has finished. It also returns
+       true if the thread has not been started yet.
+    \o \a time milliseconds has elapsed. If \a time is ULONG_MAX (the
+        default), then the wait will never timeout (the thread must
+        return from \l{run()}). This function will return false if the
+        wait timed out.
+    \endlist
+
+    This provides similar functionality to the POSIX \c
+    pthread_join() function.
+
+    \sa sleep(), terminate()
+*/
+
+/*!
+    \fn void QThread::setTerminationEnabled(bool enabled)
+
+    Enables or disables termination of the current thread based on the
+    \a enabled parameter. The thread must have been started by
+    QThread.
+
+    When \a enabled is false, termination is disabled.  Future calls
+    to QThread::terminate() will return immediately without effect.
+    Instead, the termination is deferred until termination is enabled.
+
+    When \a enabled is true, termination is enabled.  Future calls to
+    QThread::terminate() will terminate the thread normally.  If
+    termination has been deferred (i.e. QThread::terminate() was
+    called with termination disabled), this function will terminate
+    the calling thread \e immediately.  Note that this function will
+    not return in this case.
+
+    \sa terminate()
+*/
+
+#else // QT_NO_THREAD
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <private/qcoreapplication_p.h>
+QT_END_INCLUDE_NAMESPACE
+
+Q_GLOBAL_STATIC_WITH_ARGS(QThreadData, staticThreadData, (0));
+QThread* QThread::instance = 0;
+
+QThread::QThread() : QObject(*new QThreadPrivate, (QObject*)0)
+{
+    Q_D(QThread);
+    d->data->thread = this;
+    QCoreApplicationPrivate::theMainThread = this;
+}
+
+QThreadData* QThreadData::current()
+{
+    if (QThread::instance)
+        return QThread::instance->d_func()->data;
+    return staticThreadData();
+}
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
diff --git a/src/corelib/thread/qthread.h b/src/corelib/thread/qthread.h
new file mode 100644
index 0000000000..d9a6240b54
--- /dev/null
+++ b/src/corelib/thread/qthread.h
@@ -0,0 +1,163 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTHREAD_H
+#define QTHREAD_H
+
+#include <QtCore/qobject.h>
+
+#include <limits.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QThreadData;
+class QThreadPrivate;
+
+#ifndef QT_NO_THREAD
+class Q_CORE_EXPORT QThread : public QObject
+{
+public:
+    static Qt::HANDLE currentThreadId();
+    static QThread *currentThread();
+    static int idealThreadCount();
+    static void yieldCurrentThread();
+
+    explicit QThread(QObject *parent = 0);
+    ~QThread();
+
+    enum Priority {
+        IdlePriority,
+
+        LowestPriority,
+        LowPriority,
+        NormalPriority,
+        HighPriority,
+        HighestPriority,
+
+        TimeCriticalPriority,
+
+        InheritPriority
+    };
+
+    void setPriority(Priority priority);
+    Priority priority() const;
+
+    bool isFinished() const;
+    bool isRunning() const;
+
+    void setStackSize(uint stackSize);
+    uint stackSize() const;
+
+    void exit(int retcode = 0);
+
+public Q_SLOTS:
+    void start(Priority = InheritPriority);
+    void terminate();
+    void quit();
+
+public:
+    // default argument causes thread to block indefinately
+    bool wait(unsigned long time = ULONG_MAX);
+
+Q_SIGNALS:
+    void started();
+    void finished();
+    void terminated();
+
+protected:
+    virtual void run();
+    int exec();
+
+    static void setTerminationEnabled(bool enabled = true);
+
+    static void sleep(unsigned long);
+    static void msleep(unsigned long);
+    static void usleep(unsigned long);
+
+#ifdef QT3_SUPPORT
+public:
+    inline QT3_SUPPORT bool finished() const { return isFinished(); }
+    inline QT3_SUPPORT bool running() const { return isRunning(); }
+#endif
+
+protected:
+    QThread(QThreadPrivate &dd, QObject *parent = 0);
+
+private:
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QThread)
+
+    static void initialize();
+    static void cleanup();
+
+    friend class QCoreApplication;
+    friend class QThreadData;
+};
+
+#else // QT_NO_THREAD
+
+class Q_CORE_EXPORT QThread : public QObject
+{
+public:
+    static Qt::HANDLE currentThreadId() { return Qt::HANDLE(currentThread()); }
+    static QThread* currentThread()
+    { if (!instance) instance = new QThread(); return instance; }
+
+private:
+    QThread();
+    static QThread *instance;
+
+    friend class QCoreApplication;
+    friend class QThreadData;
+    Q_DECLARE_PRIVATE(QThread)
+};
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTHREAD_H
diff --git a/src/corelib/thread/qthread_p.h b/src/corelib/thread/qthread_p.h
new file mode 100644
index 0000000000..75293cee83
--- /dev/null
+++ b/src/corelib/thread/qthread_p.h
@@ -0,0 +1,215 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTHREAD_P_H
+#define QTHREAD_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+//
+
+#include "qplatformdefs.h"
+#include "QtCore/qthread.h"
+#include "QtCore/qmutex.h"
+#include "QtCore/qstack.h"
+#include "QtCore/qwaitcondition.h"
+#include "QtCore/qmap.h"
+#include "private/qobject_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QAbstractEventDispatcher;
+class QEventLoop;
+
+class QPostEvent
+{
+public:
+    QObject *receiver;
+    QEvent *event;
+    int priority;
+    inline QPostEvent()
+        : receiver(0), event(0), priority(0)
+    { }
+    inline QPostEvent(QObject *r, QEvent *e, int p)
+        : receiver(r), event(e), priority(p)
+    { }
+};
+inline bool operator<(int priority, const QPostEvent &pe)
+{
+    return pe.priority < priority;
+}
+inline bool operator<(const QPostEvent &pe, int priority)
+{
+    return priority < pe.priority;
+}
+
+class QPostEventList : public QList<QPostEvent>
+{
+public:
+    // recursion == recursion count for sendPostedEvents()
+    int recursion;
+
+    // sendOffset == the current event to start sending
+    int startOffset;
+    // insertionOffset == set by sendPostedEvents to tell postEvent() where to start insertions
+    int insertionOffset;
+
+    QMutex mutex;
+
+    inline QPostEventList()
+        : QList<QPostEvent>(), recursion(0), startOffset(0), insertionOffset(0)
+    { }
+};
+
+class Q_CORE_EXPORT QThreadData
+{
+    QAtomicInt _ref;
+
+public:
+    QThreadData(int initialRefCount = 1);
+    ~QThreadData();
+
+    static QThreadData *current();
+    static QThreadData *get2(QThread *thread);
+
+    void ref();
+    void deref();
+
+    QThread *thread;
+    bool quitNow;
+    int loopLevel;
+    QAbstractEventDispatcher *eventDispatcher;
+    QStack<QEventLoop *> eventLoops;
+    QPostEventList postEventList;
+    bool canWait;
+    QMap<int, void *> tls;
+
+    QMutex mutex;
+};
+
+#ifndef QT_NO_THREAD
+class QThreadPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QThread)
+
+public:
+    QThreadPrivate(QThreadData *d = 0);
+    ~QThreadPrivate();
+
+    mutable QMutex mutex;
+
+    bool running;
+    bool finished;
+    bool terminated;
+
+    uint stackSize;
+    QThread::Priority priority;
+
+    static QThread *threadForId(int id);
+
+#ifdef Q_OS_UNIX
+    pthread_t thread_id;
+    QWaitCondition thread_done;
+
+    static void *start(void *arg);
+    static void finish(void *arg);
+#endif
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    HANDLE handle;
+    unsigned int id;
+    int waiters;
+    bool terminationEnabled, terminatePending;
+
+    static unsigned int __stdcall start(void *);
+    static void finish(void *, bool lockAnyway=true);
+#endif // Q_OS_WIN32
+
+    QThreadData *data;
+
+    static void createEventDispatcher(QThreadData *data);
+};
+
+// thread wrapper for the main() thread
+class QAdoptedThread : public QThread
+{
+    Q_DECLARE_PRIVATE(QThread)
+
+public:
+    QAdoptedThread(QThreadData *data = 0);
+    ~QAdoptedThread();
+    void init();
+
+    static QThread *createThreadForAdoption();
+private:
+    void run();
+};
+
+#else // QT_NO_THREAD
+
+class QThreadPrivate : public QObjectPrivate
+{
+public:
+    QThreadPrivate() : data(QThreadData::current()) {}
+    ~QThreadPrivate() { }
+
+    QThreadData *data;
+
+    static void setCurrentThread(QThread*) {}
+    static QThread *threadForId(int) { return QThread::currentThread(); }
+    static void createEventDispatcher(QThreadData *data);
+
+    Q_DECLARE_PUBLIC(QThread)
+};
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
+
+#endif // QTHREAD_P_H
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
new file mode 100644
index 0000000000..f602821339
--- /dev/null
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -0,0 +1,562 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qthread.h"
+
+#include "qplatformdefs.h"
+
+#include <private/qcoreapplication_p.h>
+#if !defined(QT_NO_GLIB)
+#  include "../kernel/qeventdispatcher_glib_p.h"
+#endif
+#include <private/qeventdispatcher_unix_p.h>
+
+#include "qthreadstorage.h"
+
+#include "qthread_p.h"
+
+#include "qdebug.h"
+
+#include <sched.h>
+#include <errno.h>
+
+#ifdef Q_OS_BSD4
+#include <sys/sysctl.h>
+#endif
+
+#if defined(Q_OS_MAC)
+# ifdef qDebug
+#   define old_qDebug qDebug
+#   undef qDebug
+# endif
+# include <CoreServices/CoreServices.h>
+
+# ifdef old_qDebug
+#   undef qDebug
+#   define qDebug QT_NO_QDEBUG_MACRO
+#   undef old_qDebug
+# endif
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_THREAD
+
+static pthread_once_t current_thread_data_once = PTHREAD_ONCE_INIT;
+static pthread_key_t current_thread_data_key;
+
+static void destroy_current_thread_data(void *p)
+{
+    // POSIX says the value in our key is set to zero before calling
+    // this destructor function, so we need to set it back to the
+    // right value...
+    pthread_setspecific(current_thread_data_key, p);
+    reinterpret_cast<QThreadData *>(p)->deref();
+    // ... but we must reset it to zero before returning so we aren't
+    // called again (POSIX allows implementations to call destructor
+    // functions repeatedly until all values are zero)
+    pthread_setspecific(current_thread_data_key, 0);
+}
+
+static void create_current_thread_data_key()
+{
+    pthread_key_create(&current_thread_data_key, destroy_current_thread_data);
+}
+
+QThreadData *QThreadData::current()
+{
+    pthread_once(&current_thread_data_once, create_current_thread_data_key);
+
+    QThreadData *data = reinterpret_cast<QThreadData *>(pthread_getspecific(current_thread_data_key));
+    if (!data) {
+        void *a;
+        if (QInternal::activateCallbacks(QInternal::AdoptCurrentThread, &a)) {
+            QThread *adopted = static_cast<QThread*>(a);
+            Q_ASSERT(adopted);
+            data = QThreadData::get2(adopted);
+            pthread_setspecific(current_thread_data_key, data);
+            adopted->d_func()->running = true;
+            adopted->d_func()->finished = false;
+            static_cast<QAdoptedThread *>(adopted)->init();
+        } else {
+            data = new QThreadData;
+            pthread_setspecific(current_thread_data_key, data);
+            data->thread = new QAdoptedThread(data);
+            data->deref();
+        }
+        if (!QCoreApplicationPrivate::theMainThread)
+            QCoreApplicationPrivate::theMainThread = data->thread;
+    }
+    return data;
+}
+
+
+void QAdoptedThread::init()
+{
+    d_func()->thread_id = pthread_self();
+}
+
+/*
+   QThreadPrivate
+*/
+
+#if defined(Q_C_CALLBACKS)
+extern "C" {
+#endif
+
+typedef void*(*QtThreadCallback)(void*);
+
+#if defined(Q_C_CALLBACKS)
+}
+#endif
+
+#endif // QT_NO_THREAD
+
+void QThreadPrivate::createEventDispatcher(QThreadData *data)
+{
+#if !defined(QT_NO_GLIB)
+    if (qgetenv("QT_NO_GLIB").isEmpty()
+        && qgetenv("QT_NO_THREADED_GLIB").isEmpty()
+        && QEventDispatcherGlib::versionSupported())
+        data->eventDispatcher = new QEventDispatcherGlib;
+    else
+#endif
+        data->eventDispatcher = new QEventDispatcherUNIX;
+    data->eventDispatcher->startingUp();
+}
+
+#ifndef QT_NO_THREAD
+
+void *QThreadPrivate::start(void *arg)
+{
+    pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+    pthread_cleanup_push(QThreadPrivate::finish, arg);
+
+    QThread *thr = reinterpret_cast<QThread *>(arg);
+    QThreadData *data = QThreadData::get2(thr);
+
+    pthread_once(&current_thread_data_once, create_current_thread_data_key);
+    pthread_setspecific(current_thread_data_key, data);
+
+    data->ref();
+    data->quitNow = false;
+
+    // ### TODO: allow the user to create a custom event dispatcher
+    if (QCoreApplication::instance())
+        createEventDispatcher(data);
+
+    emit thr->started();
+    pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+    pthread_testcancel();
+    thr->run();
+
+    pthread_cleanup_pop(1);
+    return 0;
+}
+
+void QThreadPrivate::finish(void *arg)
+{
+    QThread *thr = reinterpret_cast<QThread *>(arg);
+    QThreadPrivate *d = thr->d_func();
+    QMutexLocker locker(&d->mutex);
+
+    d->priority = QThread::InheritPriority;
+    d->running = false;
+    d->finished = true;
+    if (d->terminated)
+        emit thr->terminated();
+    d->terminated = false;
+    emit thr->finished();
+
+    if (d->data->eventDispatcher) {
+        d->data->eventDispatcher->closingDown();
+        QAbstractEventDispatcher *eventDispatcher = d->data->eventDispatcher;
+        d->data->eventDispatcher = 0;
+        delete eventDispatcher;
+    }
+
+    void *data = &d->data->tls;
+    QThreadStorageData::finish((void **)data);
+
+    d->thread_id = 0;
+    d->thread_done.wakeAll();
+}
+
+
+
+
+/**************************************************************************
+ ** QThread
+ *************************************************************************/
+
+Qt::HANDLE QThread::currentThreadId()
+{
+    // requires a C cast here otherwise we run into trouble on AIX
+    return (Qt::HANDLE)pthread_self();
+}
+
+#if defined(QT_LINUXBASE) && !defined(_SC_NPROCESSORS_ONLN)
+// LSB doesn't define _SC_NPROCESSORS_ONLN.
+#  define _SC_NPROCESSORS_ONLN 84
+#endif
+
+int QThread::idealThreadCount()
+{
+    int cores = -1;
+
+#if defined(Q_OS_MAC)
+    // Mac OS X
+    cores = MPProcessorsScheduled();
+#elif defined(Q_OS_HPUX)
+    // HP-UX
+    struct pst_dynamic psd;
+    if (pstat_getdynamic(&psd, sizeof(psd), 1, 0) == -1) {
+        perror("pstat_getdynamic");
+        cores = -1;
+    } else {
+        cores = (int)psd.psd_proc_cnt;
+    }
+#elif defined(Q_OS_BSD4)
+    // FreeBSD, OpenBSD, NetBSD, BSD/OS
+    size_t len = sizeof(cores);
+    int mib[2];
+    mib[0] = CTL_HW;
+    mib[1] = HW_NCPU;
+    if (sysctl(mib, 2, &cores, &len, NULL, 0) != 0) {
+        perror("sysctl");
+        cores = -1;
+    }
+#elif defined(Q_OS_IRIX)
+    // IRIX
+    cores = (int)sysconf(_SC_NPROC_ONLN);
+#elif defined(Q_OS_INTEGRITY)
+    // ### TODO - how to get the amound of CPUs on INTEGRITY?
+#else
+    // the rest: Linux, Solaris, AIX, Tru64
+    cores = (int)sysconf(_SC_NPROCESSORS_ONLN);
+#endif
+
+    return cores;
+}
+
+void QThread::yieldCurrentThread()
+{
+    sched_yield();
+}
+
+/*  \internal
+    helper function to do thread sleeps, since usleep()/nanosleep()
+    aren't reliable enough (in terms of behavior and availability)
+*/
+static void thread_sleep(struct timespec *ti)
+{
+    pthread_mutex_t mtx;
+    pthread_cond_t cnd;
+
+    pthread_mutex_init(&mtx, 0);
+    pthread_cond_init(&cnd, 0);
+
+    pthread_mutex_lock(&mtx);
+    (void) pthread_cond_timedwait(&cnd, &mtx, ti);
+    pthread_mutex_unlock(&mtx);
+
+    pthread_cond_destroy(&cnd);
+    pthread_mutex_destroy(&mtx);
+}
+
+void QThread::sleep(unsigned long secs)
+{
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    struct timespec ti;
+    ti.tv_sec = tv.tv_sec + secs;
+    ti.tv_nsec = (tv.tv_usec * 1000);
+    thread_sleep(&ti);
+}
+
+void QThread::msleep(unsigned long msecs)
+{
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    struct timespec ti;
+
+    ti.tv_nsec = (tv.tv_usec + (msecs % 1000) * 1000) * 1000;
+    ti.tv_sec = tv.tv_sec + (msecs / 1000) + (ti.tv_nsec / 1000000000);
+    ti.tv_nsec %= 1000000000;
+    thread_sleep(&ti);
+}
+
+void QThread::usleep(unsigned long usecs)
+{
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    struct timespec ti;
+
+    ti.tv_nsec = (tv.tv_usec + (usecs % 1000000)) * 1000;
+    ti.tv_sec = tv.tv_sec + (usecs / 1000000) + (ti.tv_nsec / 1000000000);
+    ti.tv_nsec %= 1000000000;
+    thread_sleep(&ti);
+}
+
+void QThread::start(Priority priority)
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+    if (d->running)
+        return;
+
+    d->running = true;
+    d->finished = false;
+    d->terminated = false;
+
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+
+    d->priority = priority;
+
+#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+    switch (priority) {
+    case InheritPriority:
+        {
+            pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED);
+            break;
+        }
+
+    default:
+        {
+            int sched_policy;
+            if (pthread_attr_getschedpolicy(&attr, &sched_policy) != 0) {
+                // failed to get the scheduling policy, don't bother
+                // setting the priority
+                qWarning("QThread::start: Cannot determine default scheduler policy");
+                break;
+            }
+
+            int prio_min = sched_get_priority_min(sched_policy);
+            int prio_max = sched_get_priority_max(sched_policy);
+            if (prio_min == -1 || prio_max == -1) {
+                // failed to get the scheduling parameters, don't
+                // bother setting the priority
+                qWarning("QThread::start: Cannot determine scheduler priority range");
+                break;
+            }
+
+            int prio;
+            switch (priority) {
+            case IdlePriority:
+                prio = prio_min;
+                break;
+
+            case TimeCriticalPriority:
+                prio = prio_max;
+                break;
+
+            default:
+                // crudely scale our priority enum values to the prio_min/prio_max
+                prio = (priority * (prio_max - prio_min) / TimeCriticalPriority) + prio_min;
+                prio = qMax(prio_min, qMin(prio_max, prio));
+                break;
+            }
+
+            sched_param sp;
+            sp.sched_priority = prio;
+
+            if (pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED) != 0
+                || pthread_attr_setschedpolicy(&attr, sched_policy) != 0
+                || pthread_attr_setschedparam(&attr, &sp) != 0) {
+                // could not set scheduling hints, fallback to inheriting them
+                pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED);
+            }
+            break;
+        }
+    }
+#endif // _POSIX_THREAD_PRIORITY_SCHEDULING
+
+    if (d->stackSize > 0) {
+#if defined(_POSIX_THREAD_ATTR_STACKSIZE) && (_POSIX_THREAD_ATTR_STACKSIZE-0 > 0)
+        int code = pthread_attr_setstacksize(&attr, d->stackSize);
+#else
+        int code = ENOSYS; // stack size not supported, automatically fail
+#endif // _POSIX_THREAD_ATTR_STACKSIZE
+
+        if (code) {
+            qWarning("QThread::start: Thread stack size error: %s",
+                     qPrintable(qt_error_string(code)));
+
+            // we failed to set the stacksize, and as the documentation states,
+            // the thread will fail to run...
+            d->running = false;
+            d->finished = false;
+            return;
+        }
+    }
+
+    int code =
+        pthread_create(&d->thread_id, &attr, QThreadPrivate::start, this);
+    if (code == EPERM) {
+        // caller does not have permission to set the scheduling
+        // parameters/policy
+        pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED);
+        code =
+            pthread_create(&d->thread_id, &attr, QThreadPrivate::start, this);
+    }
+
+    pthread_attr_destroy(&attr);
+
+    if (code) {
+        qWarning("QThread::start: Thread creation error: %s", qPrintable(qt_error_string(code)));
+
+        d->running = false;
+        d->finished = false;
+        d->thread_id = 0;
+    }
+}
+
+void QThread::terminate()
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+
+    if (!d->thread_id)
+        return;
+
+    int code = pthread_cancel(d->thread_id);
+    if (code) {
+        qWarning("QThread::start: Thread termination error: %s",
+                 qPrintable(qt_error_string((code))));
+    } else {
+        d->terminated = true;
+    }
+}
+
+bool QThread::wait(unsigned long time)
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+
+    if (d->thread_id == pthread_self()) {
+        qWarning("QThread::wait: Thread tried to wait on itself");
+        return false;
+    }
+
+    if (d->finished || !d->running)
+        return true;
+
+    while (d->running) {
+        if (!d->thread_done.wait(locker.mutex(), time))
+            return false;
+    }
+    return true;
+}
+
+void QThread::setTerminationEnabled(bool enabled)
+{
+    Q_ASSERT_X(currentThread() != 0, "QThread::setTerminationEnabled()",
+               "Current thread was not started with QThread.");
+    pthread_setcancelstate(enabled ? PTHREAD_CANCEL_ENABLE : PTHREAD_CANCEL_DISABLE, NULL);
+    if (enabled)
+        pthread_testcancel();
+}
+
+void QThread::setPriority(Priority priority)
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+    if (!d->running) {
+        qWarning("QThread::setPriority: Cannot set priority, thread is not running");
+        return;
+    }
+
+    d->priority = priority;
+
+    // copied from start() with a few modifications:
+
+#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+    int sched_policy;
+    sched_param param;
+
+    if (pthread_getschedparam(d->thread_id, &sched_policy, &param) != 0) {
+        // failed to get the scheduling policy, don't bother setting
+        // the priority
+        qWarning("QThread::setPriority: Cannot get scheduler parameters");
+        return;
+    }
+
+    int prio_min = sched_get_priority_min(sched_policy);
+    int prio_max = sched_get_priority_max(sched_policy);
+    if (prio_min == -1 || prio_max == -1) {
+        // failed to get the scheduling parameters, don't
+        // bother setting the priority
+        qWarning("QThread::setPriority: Cannot determine scheduler priority range");
+        return;
+    }
+
+    int prio;
+    switch (priority) {
+    case InheritPriority:
+        qWarning("QThread::setPriority: Argument cannot be InheritPriority");
+        return;
+
+    case IdlePriority:
+        prio = prio_min;
+        break;
+
+    case TimeCriticalPriority:
+        prio = prio_max;
+        break;
+
+    default:
+        // crudely scale our priority enum values to the prio_min/prio_max
+        prio = (priority * (prio_max - prio_min) / TimeCriticalPriority) + prio_min;
+        prio = qMax(prio_min, qMin(prio_max, prio));
+        break;
+    }
+
+    param.sched_priority = prio;
+    pthread_setschedparam(d->thread_id, sched_policy, &param);
+#endif
+}
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
+
diff --git a/src/corelib/thread/qthread_win.cpp b/src/corelib/thread/qthread_win.cpp
new file mode 100644
index 0000000000..27193c6211
--- /dev/null
+++ b/src/corelib/thread/qthread_win.cpp
@@ -0,0 +1,620 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//#define WINVER 0x0500
+#define _WIN32_WINNT 0x0400
+
+
+#include "qthread.h"
+#include "qthread_p.h"
+#include "qthreadstorage.h"
+#include "qmutex.h"
+
+#include <qcoreapplication.h>
+#include <qpointer.h>
+
+#include <private/qcoreapplication_p.h>
+#include <private/qeventdispatcher_win_p.h>
+
+#include <windows.h>
+
+
+#ifndef Q_OS_WINCE
+#ifndef _MT
+#define _MT
+#endif
+#include <process.h>
+#else
+#include "qfunctions_wince.h"
+#endif
+
+#ifndef QT_NO_THREAD
+QT_BEGIN_NAMESPACE
+
+void qt_watch_adopted_thread(const HANDLE adoptedThreadHandle, QThread *qthread);
+void qt_adopted_thread_watcher_function(void *);
+
+static DWORD qt_current_thread_data_tls_index = TLS_OUT_OF_INDEXES;
+void qt_create_tls()
+{
+    if (qt_current_thread_data_tls_index != TLS_OUT_OF_INDEXES)
+        return;
+    static QMutex mutex;
+    QMutexLocker locker(&mutex);
+    qt_current_thread_data_tls_index = TlsAlloc();
+}
+
+static void qt_free_tls()
+{
+    if (qt_current_thread_data_tls_index != TLS_OUT_OF_INDEXES) {
+        TlsFree(qt_current_thread_data_tls_index);
+        qt_current_thread_data_tls_index = TLS_OUT_OF_INDEXES;
+    }
+}
+Q_DESTRUCTOR_FUNCTION(qt_free_tls)
+
+/*
+    QThreadData
+*/
+QThreadData *QThreadData::current()
+{
+    qt_create_tls();
+    QThreadData *threadData = reinterpret_cast<QThreadData *>(TlsGetValue(qt_current_thread_data_tls_index));
+    if (!threadData) {
+        QThread *adopted = 0;
+        if (QInternal::activateCallbacks(QInternal::AdoptCurrentThread, (void **) &adopted)) {
+            Q_ASSERT(adopted);
+            threadData = QThreadData::get2(adopted);
+            TlsSetValue(qt_current_thread_data_tls_index, threadData);
+            adopted->d_func()->running = true;
+            adopted->d_func()->finished = false;
+            static_cast<QAdoptedThread *>(adopted)->init();
+        } else {
+            threadData = new QThreadData;
+            // This needs to be called prior to new AdoptedThread() to
+            // avoid recursion.
+            TlsSetValue(qt_current_thread_data_tls_index, threadData);
+            threadData->thread = new QAdoptedThread(threadData);
+            threadData->deref();
+        }
+
+        if (!QCoreApplicationPrivate::theMainThread) {
+            QCoreApplicationPrivate::theMainThread = threadData->thread;
+        } else {
+            HANDLE realHandle = INVALID_HANDLE_VALUE;
+#if !defined(Q_OS_WINCE) || (defined(_WIN32_WCE) && (_WIN32_WCE>=0x600))
+            DuplicateHandle(GetCurrentProcess(),
+                    GetCurrentThread(),
+                    GetCurrentProcess(),
+                    &realHandle,
+                    0,
+                    FALSE,
+                    DUPLICATE_SAME_ACCESS);
+#else
+                        realHandle = (HANDLE)GetCurrentThreadId();
+#endif
+            qt_watch_adopted_thread(realHandle, threadData->thread);
+        }
+    }
+    return threadData;
+}
+
+void QAdoptedThread::init()
+{
+    d_func()->handle = GetCurrentThread();
+    d_func()->id = GetCurrentThreadId();
+}
+
+static QVector<HANDLE> qt_adopted_thread_handles;
+static QVector<QThread *> qt_adopted_qthreads;
+static QMutex qt_adopted_thread_watcher_mutex;
+static HANDLE qt_adopted_thread_watcher_handle = 0;
+static HANDLE qt_adopted_thread_wakeup = 0;
+
+/*! \internal
+    Adds an adopted thread to the list of threads that Qt watches to make sure
+    the thread data is properly cleaned up. This function starts the watcher
+    thread if necessary.
+*/
+void qt_watch_adopted_thread(const HANDLE adoptedThreadHandle, QThread *qthread)
+{
+    QMutexLocker lock(&qt_adopted_thread_watcher_mutex);
+    qt_adopted_thread_handles.append(adoptedThreadHandle);
+    qt_adopted_qthreads.append(qthread);
+
+    // Start watcher thread if it is not already running.
+    if (qt_adopted_thread_watcher_handle == 0) {
+        if (qt_adopted_thread_wakeup == 0) {
+            qt_adopted_thread_wakeup = QT_WA_INLINE(CreateEventW(0, false, false, 0),
+                                                    CreateEventA(0, false, false, 0));
+            qt_adopted_thread_handles.prepend(qt_adopted_thread_wakeup);
+        }
+
+        qt_adopted_thread_watcher_handle =
+            (HANDLE)_beginthread(qt_adopted_thread_watcher_function, 0, NULL);
+    } else {
+        SetEvent(qt_adopted_thread_wakeup);
+    }
+}
+
+/*! \internal
+    This function loops and waits for native adopted threads to finish.
+    When this happens it derefs the QThreadData for the adopted thread
+    to make sure it gets cleaned up properly.
+*/
+void qt_adopted_thread_watcher_function(void *)
+{
+    forever {
+        qt_adopted_thread_watcher_mutex.lock();
+
+        if (qt_adopted_thread_handles.count() == 1) {
+            qt_adopted_thread_watcher_handle = 0;
+            qt_adopted_thread_watcher_mutex.unlock();
+            break;
+        }
+
+        QVector<HANDLE> handlesCopy = qt_adopted_thread_handles;
+        qt_adopted_thread_watcher_mutex.unlock();
+
+        DWORD ret = WAIT_TIMEOUT;
+        int loops = (handlesCopy.count() / MAXIMUM_WAIT_OBJECTS) + 1, offset, count;
+        if (loops == 1) {
+            // no need to loop, no timeout
+            offset = 0;
+            count = handlesCopy.count();
+            ret = WaitForMultipleObjects(handlesCopy.count(), handlesCopy.constData(), false, INFINITE);
+        } else {
+            int loop = 0;
+            do {
+                offset = loop * MAXIMUM_WAIT_OBJECTS;
+                count = qMin(handlesCopy.count() - offset, MAXIMUM_WAIT_OBJECTS);
+                ret = WaitForMultipleObjects(count, handlesCopy.constData() + offset, false, 100);
+                loop = (loop + 1) % loops;
+            } while (ret == WAIT_TIMEOUT);
+        }
+
+        if (ret == WAIT_FAILED || !(ret >= WAIT_OBJECT_0 && ret < WAIT_OBJECT_0 + uint(count))) {
+            qWarning("QThread internal error while waiting for adopted threads: %d", int(GetLastError()));
+            continue;
+        }
+
+        const int handleIndex = offset + ret - WAIT_OBJECT_0;
+        if (handleIndex == 0){
+            // New handle to watch was added.
+            continue;
+        } else {
+//             printf("(qt) - qt_adopted_thread_watcher_function... called\n");
+            const int qthreadIndex = handleIndex - 1;
+            QThreadData::get2(qt_adopted_qthreads.at(qthreadIndex))->deref();
+#if !defined(Q_OS_WINCE) || (defined(_WIN32_WCE) && (_WIN32_WCE>=0x600))
+            CloseHandle(qt_adopted_thread_handles.at(handleIndex));
+#endif
+            QMutexLocker lock(&qt_adopted_thread_watcher_mutex);
+            qt_adopted_thread_handles.remove(handleIndex);
+            qt_adopted_qthreads.remove(qthreadIndex);
+        }
+    }
+}
+
+#if !defined(QT_NO_DEBUG) && defined(Q_CC_MSVC) && !defined(Q_OS_WINCE)
+
+#ifndef Q_OS_WIN64
+#  define ULONG_PTR DWORD
+#endif
+
+typedef struct tagTHREADNAME_INFO
+{
+    DWORD dwType;      // must be 0x1000
+    LPCSTR szName;     // pointer to name (in user addr space)
+    HANDLE dwThreadID; // thread ID (-1=caller thread)
+    DWORD dwFlags;     // reserved for future use, must be zero
+} THREADNAME_INFO;
+
+void qt_set_thread_name(HANDLE threadId, LPCSTR threadName)
+{
+    THREADNAME_INFO info;
+    info.dwType = 0x1000;
+    info.szName = threadName;
+    info.dwThreadID = threadId;
+    info.dwFlags = 0;
+
+    __try
+    {
+        RaiseException(0x406D1388, 0, sizeof(info)/sizeof(DWORD), (const ULONG_PTR*)&info);
+    }
+    __except (EXCEPTION_CONTINUE_EXECUTION)
+    {
+    }
+}
+#endif // !QT_NO_DEBUG && Q_CC_MSVC && !Q_OS_WINCE
+
+/**************************************************************************
+ ** QThreadPrivate
+ *************************************************************************/
+
+#endif // QT_NO_THREAD
+
+void QThreadPrivate::createEventDispatcher(QThreadData *data)
+{
+    data->eventDispatcher = new QEventDispatcherWin32;
+    data->eventDispatcher->startingUp();
+}
+
+#ifndef QT_NO_THREAD
+
+unsigned int __stdcall QThreadPrivate::start(void *arg)
+{
+    QThread *thr = reinterpret_cast<QThread *>(arg);
+    QThreadData *data = QThreadData::get2(thr);
+
+    qt_create_tls();
+    TlsSetValue(qt_current_thread_data_tls_index, data);
+
+    QThread::setTerminationEnabled(false);
+
+    data->quitNow = false;
+    // ### TODO: allow the user to create a custom event dispatcher
+    if (QCoreApplication::instance())
+        createEventDispatcher(data);
+
+#if !defined(QT_NO_DEBUG) && defined(Q_CC_MSVC) && !defined(Q_OS_WINCE)
+    // sets the name of the current thread.
+    QByteArray objectName = thr->objectName().toLocal8Bit();
+    qt_set_thread_name((HANDLE)-1,
+                       objectName.isEmpty() ?
+                       thr->metaObject()->className() : objectName.constData());
+#endif
+
+    emit thr->started();
+    QThread::setTerminationEnabled(true);
+    thr->run();
+
+    finish(arg);
+    return 0;
+}
+
+void QThreadPrivate::finish(void *arg, bool lockAnyway)
+{
+    QThread *thr = reinterpret_cast<QThread *>(arg);
+    QThreadPrivate *d = thr->d_func();
+
+    if (lockAnyway)
+        d->mutex.lock();
+    d->priority = QThread::InheritPriority;
+    d->running = false;
+    d->finished = true;
+    if (d->terminated)
+        emit thr->terminated();
+    d->terminated = false;
+    emit thr->finished();
+
+    if (d->data->eventDispatcher) {
+        d->data->eventDispatcher->closingDown();
+        QAbstractEventDispatcher *eventDispatcher = d->data->eventDispatcher;
+        d->data->eventDispatcher = 0;
+        delete eventDispatcher;
+    }
+
+    QThreadStorageData::finish(reinterpret_cast<void **>(&d->data->tls));
+
+    if (!d->waiters) {
+        CloseHandle(d->handle);
+        d->handle = 0;
+    }
+
+    d->id = 0;
+
+    if (lockAnyway)
+        d->mutex.unlock();
+}
+
+/**************************************************************************
+ ** QThread
+ *************************************************************************/
+
+Qt::HANDLE QThread::currentThreadId()
+{
+    return (Qt::HANDLE)GetCurrentThreadId();
+}
+
+int QThread::idealThreadCount()
+{
+    SYSTEM_INFO sysinfo;
+    GetSystemInfo(&sysinfo);
+    return sysinfo.dwNumberOfProcessors;
+}
+
+void QThread::yieldCurrentThread()
+{
+#ifndef Q_OS_WINCE
+    if (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)
+        SwitchToThread();
+    else
+#endif
+        ::Sleep(0);
+}
+
+void QThread::sleep(unsigned long secs)
+{
+    ::Sleep(secs * 1000);
+}
+
+void QThread::msleep(unsigned long msecs)
+{
+    ::Sleep(msecs);
+}
+
+void QThread::usleep(unsigned long usecs)
+{
+    ::Sleep((usecs / 1000) + 1);
+}
+
+
+void QThread::start(Priority priority)
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+
+    if (d->running)
+        return;
+
+    d->running = true;
+    d->finished = false;
+    d->terminated = false;
+
+    /*
+      NOTE: we create the thread in the suspended state, set the
+      priority and then resume the thread.
+
+      since threads are created with normal priority by default, we
+      could get into a case where a thread (with priority less than
+      NormalPriority) tries to create a new thread (also with priority
+      less than NormalPriority), but the newly created thread preempts
+      its 'parent' and runs at normal priority.
+    */
+    d->handle = (Qt::HANDLE) _beginthreadex(NULL, d->stackSize, QThreadPrivate::start,
+                                            this, CREATE_SUSPENDED, &(d->id));
+
+    if (!d->handle) {
+        qErrnoWarning(errno, "QThread::start: Failed to create thread");
+        d->running = false;
+        d->finished = true;
+        return;
+    }
+
+    // Since Win 9x will have problems if the priority is idle or time critical
+    // we have to use the closest one instead
+    int prio;
+    d->priority = priority;
+    switch (d->priority) {
+    case IdlePriority:
+        if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based) {
+            prio = THREAD_PRIORITY_LOWEST;
+        } else {
+            prio = THREAD_PRIORITY_IDLE;
+        }
+        break;
+
+    case LowestPriority:
+        prio = THREAD_PRIORITY_LOWEST;
+        break;
+
+    case LowPriority:
+        prio = THREAD_PRIORITY_BELOW_NORMAL;
+        break;
+
+    case NormalPriority:
+        prio = THREAD_PRIORITY_NORMAL;
+        break;
+
+    case HighPriority:
+        prio = THREAD_PRIORITY_ABOVE_NORMAL;
+        break;
+
+    case HighestPriority:
+        prio = THREAD_PRIORITY_HIGHEST;
+        break;
+
+    case TimeCriticalPriority:
+        if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based) {
+            prio = THREAD_PRIORITY_HIGHEST;
+        } else {
+            prio = THREAD_PRIORITY_TIME_CRITICAL;
+        }
+        break;
+
+    case InheritPriority:
+    default:
+        prio = GetThreadPriority(GetCurrentThread());
+        break;
+    }
+
+    if (!SetThreadPriority(d->handle, prio)) {
+        qErrnoWarning("QThread::start: Failed to set thread priority");
+    }
+
+    if (ResumeThread(d->handle) == (DWORD) -1) {
+        qErrnoWarning("QThread::start: Failed to resume new thread");
+    }
+}
+
+void QThread::terminate()
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+    if (!d->running)
+        return;
+    if (!d->terminationEnabled) {
+        d->terminatePending = true;
+        return;
+    }
+    TerminateThread(d->handle, 0);
+    d->terminated = true;
+    QThreadPrivate::finish(this, false);
+}
+
+bool QThread::wait(unsigned long time)
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+
+    if (d->id == GetCurrentThreadId()) {
+        qWarning("QThread::wait: Thread tried to wait on itself");
+        return false;
+    }
+    if (d->finished || !d->running)
+        return true;
+
+    ++d->waiters;
+    locker.mutex()->unlock();
+
+    bool ret = false;
+    switch (WaitForSingleObject(d->handle, time)) {
+    case WAIT_OBJECT_0:
+        ret = true;
+        break;
+    case WAIT_FAILED:
+        qErrnoWarning("QThread::wait: Thread wait failure");
+        break;
+    case WAIT_ABANDONED:
+    case WAIT_TIMEOUT:
+    default:
+        break;
+    }
+
+    locker.mutex()->lock();
+    --d->waiters;
+
+    if (ret && !d->finished) {
+        // thread was terminated by someone else
+        d->terminated = true;
+        QThreadPrivate::finish(this, false);
+    }
+
+    if (d->finished && !d->waiters) {
+        CloseHandle(d->handle);
+        d->handle = 0;
+    }
+
+    return ret;
+}
+
+void QThread::setTerminationEnabled(bool enabled)
+{
+    QThread *thr = currentThread();
+    Q_ASSERT_X(thr != 0, "QThread::setTerminationEnabled()",
+               "Current thread was not started with QThread.");
+    QThreadPrivate *d = thr->d_func();
+    QMutexLocker locker(&d->mutex);
+    d->terminationEnabled = enabled;
+    if (enabled && d->terminatePending) {
+        d->terminated = true;
+        QThreadPrivate::finish(thr, false);
+        locker.unlock(); // don't leave the mutex locked!
+        _endthreadex(0);
+    }
+}
+
+void QThread::setPriority(Priority priority)
+{
+    Q_D(QThread);
+    QMutexLocker locker(&d->mutex);
+    if (!d->running) {
+        qWarning("QThread::setPriority: Cannot set priority, thread is not running");
+        return;
+    }
+
+    // copied from start() with a few modifications:
+
+    // Since Win 9x will have problems if the priority is idle or time critical
+    // we have to use the closest one instead
+    int prio;
+    d->priority = priority;
+    switch (d->priority) {
+    case IdlePriority:
+        if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based) {
+            prio = THREAD_PRIORITY_LOWEST;
+        } else {
+            prio = THREAD_PRIORITY_IDLE;
+        }
+        break;
+
+    case LowestPriority:
+        prio = THREAD_PRIORITY_LOWEST;
+        break;
+
+    case LowPriority:
+        prio = THREAD_PRIORITY_BELOW_NORMAL;
+        break;
+
+    case NormalPriority:
+        prio = THREAD_PRIORITY_NORMAL;
+        break;
+
+    case HighPriority:
+        prio = THREAD_PRIORITY_ABOVE_NORMAL;
+        break;
+
+    case HighestPriority:
+        prio = THREAD_PRIORITY_HIGHEST;
+        break;
+
+    case TimeCriticalPriority:
+        if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based) {
+            prio = THREAD_PRIORITY_HIGHEST;
+        } else {
+            prio = THREAD_PRIORITY_TIME_CRITICAL;
+        }
+        break;
+
+    case InheritPriority:
+    default:
+        qWarning("QThread::setPriority: Argument cannot be InheritPriority");
+        return;
+    }
+
+    if (!SetThreadPriority(d->handle, prio)) {
+        qErrnoWarning("QThread::setPriority: Failed to set thread priority");
+    }
+}
+
+QT_END_NAMESPACE
+#endif // QT_NO_THREAD
diff --git a/src/corelib/thread/qthreadstorage.cpp b/src/corelib/thread/qthreadstorage.cpp
new file mode 100644
index 0000000000..35c55c1495
--- /dev/null
+++ b/src/corelib/thread/qthreadstorage.cpp
@@ -0,0 +1,320 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qthreadstorage.h"
+
+#ifndef QT_NO_THREAD
+#include "qthread.h"
+#include "qthread_p.h"
+#include "qmutex.h"
+
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+// #define THREADSTORAGE_DEBUG
+#ifdef THREADSTORAGE_DEBUG
+#  define DEBUG_MSG qtsDebug
+
+#  include <stdio.h>
+#  include <stdarg.h>
+void qtsDebug(const char *fmt, ...)
+{
+    va_list va;
+    va_start(va, fmt);
+
+    fprintf(stderr, "QThreadStorage: ");
+    vfprintf(stderr, fmt, va);
+    fprintf(stderr, "\n");
+
+    va_end(va);
+}
+#else
+#  define DEBUG_MSG if(false)qDebug
+#endif
+
+static QBasicAtomicInt idCounter = Q_BASIC_ATOMIC_INITIALIZER(INT_MAX);
+Q_GLOBAL_STATIC(QMutex, mutex)
+typedef QMap<int, void (*)(void *)> DestructorMap;
+Q_GLOBAL_STATIC(DestructorMap, destructors)
+
+QThreadStorageData::QThreadStorageData(void (*func)(void *))
+    : id(idCounter.fetchAndAddRelaxed(-1))
+{
+    QMutexLocker locker(mutex());
+    destructors()->insert(id, func);
+
+    DEBUG_MSG("QThreadStorageData: Allocated id %d, destructor %p", id, func);
+}
+
+QThreadStorageData::~QThreadStorageData()
+{
+    QMutexLocker locker(mutex());
+    if (destructors())
+        destructors()->remove(id);
+
+    DEBUG_MSG("QThreadStorageData: Released id %d", id);
+}
+
+void **QThreadStorageData::get() const
+{
+    QThreadData *data = QThreadData::current();
+    if (!data) {
+        qWarning("QThreadStorage::get: QThreadStorage can only be used with threads started with QThread");
+        return 0;
+    }
+    QMap<int, void *>::iterator it = data->tls.find(id);
+    DEBUG_MSG("QThreadStorageData: Returning storage %d, data %p, for thread %p",
+          id,
+          it != data->tls.end() ? it.value() : 0,
+          data->thread);
+    return it != data->tls.end() && it.value() != 0 ? &it.value() : 0;
+}
+
+void **QThreadStorageData::set(void *p)
+{
+    QThreadData *data = QThreadData::current();
+    if (!data) {
+        qWarning("QThreadStorage::set: QThreadStorage can only be used with threads started with QThread");
+        return 0;
+    }
+
+    QMap<int, void *>::iterator it = data->tls.find(id);
+    if (it != data->tls.end()) {
+        // delete any previous data
+        if (it.value() != 0) {
+            DEBUG_MSG("QThreadStorageData: Deleting previous storage %d, data %p, for thread %p",
+                  id,
+                  it.value(),
+                  data->thread);
+
+            void *q = it.value();
+            it.value() = 0;
+
+            mutex()->lock();
+            void (*destructor)(void *) = destructors()->value(id);
+            mutex()->unlock();
+
+            destructor(q);
+        }
+
+        // store new data
+        it.value() = p;
+        DEBUG_MSG("QThreadStorageData: Set storage %d for thread %p to %p", id, data->thread, p);
+    } else {
+        it = data->tls.insert(id, p);
+        DEBUG_MSG("QThreadStorageData: Inserted storage %d, data %p, for thread %p", id, p, data->thread);
+    }
+
+    return &it.value();
+}
+
+void QThreadStorageData::finish(void **p)
+{
+    QMap<int, void *> *tls = reinterpret_cast<QMap<int, void *> *>(p);
+    if (!tls || tls->isEmpty() || !mutex())
+        return; // nothing to do
+
+    DEBUG_MSG("QThreadStorageData: Destroying storage for thread %p", QThread::currentThread());
+
+    QMap<int, void *>::iterator it = tls->begin();
+    while (it != tls->end()) {
+        int id = it.key();
+        void *q = it.value();
+        it.value() = 0;
+        ++it;
+
+        if (!q) {
+            // data already deleted
+            continue;
+        }
+
+        mutex()->lock();
+        void (*destructor)(void *) = destructors()->value(id);
+        mutex()->unlock();
+
+        if (!destructor) {
+            if (QThread::currentThread())
+                qWarning("QThreadStorage: Thread %p exited after QThreadStorage %d destroyed",
+                         QThread::currentThread(), id);
+            continue;
+        }
+        destructor(q);
+    }
+    tls->clear();
+}
+
+/*!
+    \class QThreadStorage
+    \brief The QThreadStorage class provides per-thread data storage.
+
+    \threadsafe
+
+    \ingroup thread
+    \ingroup environment
+    \mainclass
+
+    QThreadStorage is a template class that provides per-thread data
+    storage.
+
+    \e{Note that due to compiler limitations, QThreadStorage can only
+    store pointers.}
+
+    The setLocalData() function stores a single thread-specific value
+    for the calling thread. The data can be accessed later using
+    localData(). QThreadStorage takes ownership of the data (which
+    must be created on the heap with \c new) and deletes it when the
+    thread exits, either normally or via termination.
+
+    The hasLocalData() function allows the programmer to determine if
+    data has previously been set using the setLocalData() function.
+    This is also useful for lazy initializiation.
+
+    For example, the following code uses QThreadStorage to store a
+    single cache for each thread that calls the cacheObject() and
+    removeFromCache() functions. The cache is automatically
+    deleted when the calling thread exits.
+
+    \snippet doc/src/snippets/threads/threads.cpp 7
+    \snippet doc/src/snippets/threads/threads.cpp 8
+    \snippet doc/src/snippets/threads/threads.cpp 9
+
+    \section1 Caveats
+
+    \list
+
+    \o As noted above, QThreadStorage can only store pointers due to
+    compiler limitations.
+
+    \o The QThreadStorage destructor does not delete per-thread data.
+    QThreadStorage only deletes per-thread data when the thread exits
+    or when setLocalData() is called multiple times.
+
+    \o QThreadStorage can be used to store data for the \c main()
+    thread. QThreadStorage deletes all data set for the \c main()
+    thread when QApplication is destroyed, regardless of whether or
+    not the \c main() thread has actually finished.
+
+    \endlist
+
+    \sa QThread
+*/
+
+/*!
+    \fn QThreadStorage::QThreadStorage()
+
+    Constructs a new per-thread data storage object.
+*/
+
+/*!
+    \fn QThreadStorage::~QThreadStorage()
+
+    Destroys the per-thread data storage object.
+
+    Note: The per-thread data stored is not deleted. Any data left
+    in QThreadStorage is leaked. Make sure that all threads using
+    QThreadStorage have exited before deleting the QThreadStorage.
+
+    \sa hasLocalData()
+*/
+
+/*!
+    \fn bool QThreadStorage::hasLocalData() const
+
+    Returns true if the calling thread has non-zero data available;
+    otherwise returns false.
+
+    \sa localData()
+*/
+
+/*!
+    \fn T &QThreadStorage::localData()
+
+    Returns a reference to the data that was set by the calling
+    thread.
+
+    Note: QThreadStorage can only store pointers. This function
+    returns a reference to the pointer that was set by the calling
+    thread. The value of this reference is 0 if no data was set by
+    the calling thread,
+
+    \sa hasLocalData()
+*/
+
+/*!
+    \fn const T QThreadStorage::localData() const
+    \overload
+
+    Returns a copy of the data that was set by the calling thread.
+
+    Note: QThreadStorage can only store pointers. This function
+    returns a pointer to the data that was set by the calling thread.
+    If no data was set by the calling thread, this function returns 0.
+
+    \sa hasLocalData()
+*/
+
+/*!
+    \fn void QThreadStorage::setLocalData(T data)
+
+    Sets the local data for the calling thread to \a data. It can be
+    accessed later using the localData() functions.
+
+    If \a data is 0, this function deletes the previous data (if
+    any) and returns immediately.
+
+    If \a data is non-zero, QThreadStorage takes ownership of the \a
+    data and deletes it automatically either when the thread exits
+    (either normally or via termination) or when setLocalData() is
+    called again.
+
+    Note: QThreadStorage can only store pointers. The \a data
+    argument must be either a pointer to an object created on the heap
+    (i.e. using \c new) or 0. You should not delete \a data
+    yourself; QThreadStorage takes ownership and will delete the \a
+    data itself.
+
+    \sa localData(), hasLocalData()
+*/
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
diff --git a/src/corelib/thread/qthreadstorage.h b/src/corelib/thread/qthreadstorage.h
new file mode 100644
index 0000000000..952e4b2047
--- /dev/null
+++ b/src/corelib/thread/qthreadstorage.h
@@ -0,0 +1,157 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTHREADSTORAGE_H
+#define QTHREADSTORAGE_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_THREAD
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QThreadStorageData
+{
+public:
+    explicit QThreadStorageData(void (*func)(void *));
+    ~QThreadStorageData();
+
+    void** get() const;
+    void** set(void* p);
+
+    static void finish(void**);
+    int id;
+};
+
+#if !defined(QT_MOC_CPP)
+// MOC_SKIP_BEGIN
+
+// pointer specialization
+template <typename T>
+inline
+T *&qThreadStorage_localData(QThreadStorageData &d, T **)
+{
+    void **v = d.get();
+    if (!v) v = d.set(0);
+    return *(reinterpret_cast<T**>(v));
+}
+
+template <typename T>
+inline
+T *qThreadStorage_localData_const(const QThreadStorageData &d, T **)
+{
+    void **v = d.get();
+    return v ? *(reinterpret_cast<T**>(v)) : 0;
+}
+
+template <typename T>
+inline
+void qThreadStorage_setLocalData(QThreadStorageData &d, T **t)
+{ (void) d.set(*t); }
+
+#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+
+// value-based specialization
+template <typename T>
+inline
+T &qThreadStorage_localData(QThreadStorageData &d, T *)
+{
+    void **v = d.get();
+    if (!v) v = d.set(new T());
+    return *(reinterpret_cast<T*>(*v));
+}
+
+template <typename T>
+inline
+T qThreadStorage_localData_const(const QThreadStorageData &d, T *)
+{
+    void **v = d.get();
+    return v ? *(reinterpret_cast<T*>(*v)) : T();
+}
+
+template <typename T>
+inline
+void qThreadStorage_setLocalData(QThreadStorageData &d, T *t)
+{ (void) d.set(new T(*t)); }
+
+#endif // QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+
+// MOC_SKIP_END
+#endif
+
+template <class T>
+class QThreadStorage
+{
+private:
+    QThreadStorageData d;
+
+    Q_DISABLE_COPY(QThreadStorage)
+
+    static inline void deleteData(void *x)
+    { delete static_cast<T>(x); }
+
+public:
+    inline QThreadStorage() : d(deleteData) { }
+    inline ~QThreadStorage() { }
+
+    inline bool hasLocalData() const
+    { return d.get() != 0; }
+
+    inline T& localData()
+    { return qThreadStorage_localData(d, reinterpret_cast<T*>(0)); }
+    inline T localData() const
+    { return qThreadStorage_localData_const(d, reinterpret_cast<T*>(0)); }
+
+    inline void setLocalData(T t)
+    { qThreadStorage_setLocalData(d, &t); }
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_THREAD
+
+#endif // QTHREADSTORAGE_H
diff --git a/src/corelib/thread/qwaitcondition.h b/src/corelib/thread/qwaitcondition.h
new file mode 100644
index 0000000000..850f76a24a
--- /dev/null
+++ b/src/corelib/thread/qwaitcondition.h
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAITCONDITION_H
+#define QWAITCONDITION_H
+
+#include <QtCore/qglobal.h>
+
+#include <limits.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_THREAD
+
+class QWaitConditionPrivate;
+class QMutex;
+class QReadWriteLock;
+
+class Q_CORE_EXPORT QWaitCondition
+{
+public:
+    QWaitCondition();
+    ~QWaitCondition();
+
+    bool wait(QMutex *mutex, unsigned long time = ULONG_MAX);
+    bool wait(QReadWriteLock *readWriteLock, unsigned long time = ULONG_MAX);
+
+    void wakeOne();
+    void wakeAll();
+
+private:
+    Q_DISABLE_COPY(QWaitCondition)
+
+    QWaitConditionPrivate * d;
+};
+
+#else
+
+class QMutex;
+class Q_CORE_EXPORT QWaitCondition
+{
+public:
+    QWaitCondition() {}
+    ~QWaitCondition() {}
+
+    bool wait(QMutex *mutex, unsigned long time = ULONG_MAX)
+    {
+	Q_UNUSED(mutex);
+	Q_UNUSED(time);
+	return true;
+    }
+
+    void wakeOne() {}
+    void wakeAll() {}
+};
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QWAITCONDITION_H
diff --git a/src/corelib/thread/qwaitcondition_unix.cpp b/src/corelib/thread/qwaitcondition_unix.cpp
new file mode 100644
index 0000000000..ff7e961ca7
--- /dev/null
+++ b/src/corelib/thread/qwaitcondition_unix.cpp
@@ -0,0 +1,193 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qwaitcondition.h"
+#include "qmutex.h"
+#include "qreadwritelock.h"
+#include "qatomic.h"
+#include "qstring.h"
+
+#include "qmutex_p.h"
+#include "qreadwritelock_p.h"
+
+#include <errno.h>
+
+#ifndef QT_NO_THREAD
+
+QT_BEGIN_NAMESPACE
+
+static void report_error(int code, const char *where, const char *what)
+{
+    if (code != 0)
+        qWarning("%s: %s failure: %s", where, what, qPrintable(qt_error_string(code)));
+}
+
+
+
+struct QWaitConditionPrivate {
+    pthread_mutex_t mutex;
+    pthread_cond_t cond;
+    int waiters;
+    int wakeups;
+
+    bool wait(unsigned long time)
+    {
+        int code;
+        forever {
+            if (time != ULONG_MAX) {
+                struct timeval tv;
+                gettimeofday(&tv, 0);
+
+                timespec ti;
+                ti.tv_nsec = (tv.tv_usec + (time % 1000) * 1000) * 1000;
+                ti.tv_sec = tv.tv_sec + (time / 1000) + (ti.tv_nsec / 1000000000);
+                ti.tv_nsec %= 1000000000;
+
+                code = pthread_cond_timedwait(&cond, &mutex, &ti);
+            } else {
+                code = pthread_cond_wait(&cond, &mutex);
+            }
+            if (code == 0 && wakeups == 0) {
+                // many vendors warn of spurios wakeups from
+                // pthread_cond_wait(), especially after signal delivery,
+                // even though POSIX doesn't allow for it... sigh
+                continue;
+            }
+            break;
+        }
+
+        Q_ASSERT_X(waiters > 0, "QWaitCondition::wait", "internal error (waiters)");
+        --waiters;
+        if (code == 0) {
+            Q_ASSERT_X(wakeups > 0, "QWaitCondition::wait", "internal error (wakeups)");
+            --wakeups;
+        }
+        report_error(pthread_mutex_unlock(&mutex), "QWaitCondition::wait()", "mutex unlock");
+
+        if (code && code != ETIMEDOUT)
+            report_error(code, "QWaitCondition::wait()", "cv wait");
+
+        return (code == 0);
+    }
+};
+
+
+QWaitCondition::QWaitCondition()
+{
+    d = new QWaitConditionPrivate;
+    report_error(pthread_mutex_init(&d->mutex, NULL), "QWaitCondition", "mutex init");
+    report_error(pthread_cond_init(&d->cond, NULL), "QWaitCondition", "cv init");
+    d->waiters = d->wakeups = 0;
+}
+
+
+QWaitCondition::~QWaitCondition()
+{
+    report_error(pthread_cond_destroy(&d->cond), "QWaitCondition", "cv destroy");
+    report_error(pthread_mutex_destroy(&d->mutex), "QWaitCondition", "mutex destroy");
+    delete d;
+}
+
+void QWaitCondition::wakeOne()
+{
+    report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wakeOne()", "mutex lock");
+    d->wakeups = qMin(d->wakeups + 1, d->waiters);
+    report_error(pthread_cond_signal(&d->cond), "QWaitCondition::wakeOne()", "cv signal");
+    report_error(pthread_mutex_unlock(&d->mutex), "QWaitCondition::wakeOne()", "mutex unlock");
+}
+
+void QWaitCondition::wakeAll()
+{
+    report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wakeAll()", "mutex lock");
+    d->wakeups = d->waiters;
+    report_error(pthread_cond_broadcast(&d->cond), "QWaitCondition::wakeAll()", "cv broadcast");
+    report_error(pthread_mutex_unlock(&d->mutex), "QWaitCondition::wakeAll()", "mutex unlock");
+}
+
+bool QWaitCondition::wait(QMutex *mutex, unsigned long time)
+{
+    if (! mutex)
+        return false;
+    if (mutex->d->recursive) {
+        qWarning("QWaitCondition: cannot wait on recursive mutexes");
+        return false;
+    }
+
+    report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wait()", "mutex lock");
+    ++d->waiters;
+    mutex->unlock();
+
+    bool returnValue = d->wait(time);
+
+    mutex->lock();
+
+    return returnValue;
+}
+
+bool QWaitCondition::wait(QReadWriteLock *readWriteLock, unsigned long time)
+{
+    if (!readWriteLock || readWriteLock->d->accessCount == 0)
+        return false;
+    if (readWriteLock->d->accessCount < -1) {
+        qWarning("QWaitCondition: cannot wait on QReadWriteLocks with recursive lockForWrite()");
+        return false;
+    }
+
+    report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wait()", "mutex lock");
+    ++d->waiters;
+
+    int previousAccessCount = readWriteLock->d->accessCount;
+    readWriteLock->unlock();
+
+    bool returnValue = d->wait(time);
+
+    if (previousAccessCount < 0)
+        readWriteLock->lockForWrite();
+    else
+        readWriteLock->lockForRead();
+
+    return returnValue;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_THREAD
diff --git a/src/corelib/thread/qwaitcondition_win.cpp b/src/corelib/thread/qwaitcondition_win.cpp
new file mode 100644
index 0000000000..fa6610caa4
--- /dev/null
+++ b/src/corelib/thread/qwaitcondition_win.cpp
@@ -0,0 +1,237 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaitcondition.h"
+#include "qnamespace.h"
+#include "qmutex.h"
+#include "qreadwritelock.h"
+#include "qlist.h"
+#include "qalgorithms.h"
+#include "qt_windows.h"
+
+#ifndef QT_NO_THREAD
+
+#define Q_MUTEX_T void*
+#include <private/qmutex_p.h>
+#include <private/qreadwritelock_p.h>
+
+QT_BEGIN_NAMESPACE
+
+//***********************************************************************
+// QWaitConditionPrivate
+// **********************************************************************
+
+class QWaitConditionEvent
+{
+public:
+    inline QWaitConditionEvent() : priority(0), wokenUp(false)
+    {
+        QT_WA ({
+            event = CreateEvent(NULL, TRUE, FALSE, NULL);
+        }, {
+            event = CreateEventA(NULL, TRUE, FALSE, NULL);
+        });
+    }
+    inline ~QWaitConditionEvent() { CloseHandle(event); }
+    int priority;
+    bool wokenUp;
+    HANDLE event;
+};
+
+typedef QList<QWaitConditionEvent *> EventQueue;
+
+class QWaitConditionPrivate
+{
+public:
+    QMutex mtx;
+    EventQueue queue;
+    EventQueue freeQueue;
+
+    QWaitConditionEvent *pre();
+    bool wait(QWaitConditionEvent *wce, unsigned long time);
+    void post(QWaitConditionEvent *wce, bool ret);
+};
+
+QWaitConditionEvent *QWaitConditionPrivate::pre()
+{
+    mtx.lock();
+    QWaitConditionEvent *wce =
+        freeQueue.isEmpty() ? new QWaitConditionEvent : freeQueue.takeFirst();
+    wce->priority = GetThreadPriority(GetCurrentThread());
+    wce->wokenUp = false;
+
+    // insert 'wce' into the queue (sorted by priority)
+    int index = 0;
+    for (; index < queue.size(); ++index) {
+        QWaitConditionEvent *current = queue.at(index);
+        if (current->priority < wce->priority)
+            break;
+    }
+    queue.insert(index, wce);
+    mtx.unlock();
+
+    return wce;
+}
+
+bool QWaitConditionPrivate::wait(QWaitConditionEvent *wce, unsigned long time)
+{
+    // wait for the event
+    bool ret = false;
+    switch (WaitForSingleObject(wce->event, time)) {
+    default: break;
+
+    case WAIT_OBJECT_0:
+        ret = true;
+        break;
+    }
+    return ret;
+}
+
+void QWaitConditionPrivate::post(QWaitConditionEvent *wce, bool ret)
+{
+    mtx.lock();
+
+    // remove 'wce' from the queue
+    queue.removeAll(wce);
+    ResetEvent(wce->event);
+    freeQueue.append(wce);
+
+    // wakeups delivered after the timeout should be forwarded to the next waiter
+    if (!ret && wce->wokenUp && !queue.isEmpty()) {
+        QWaitConditionEvent *other = queue.first();
+        SetEvent(other->event);
+        other->wokenUp = true;
+    }
+
+    mtx.unlock();
+}
+
+//***********************************************************************
+// QWaitCondition implementation
+//***********************************************************************
+
+QWaitCondition::QWaitCondition()
+{
+    d = new QWaitConditionPrivate;
+}
+
+QWaitCondition::~QWaitCondition()
+{
+    if (!d->queue.isEmpty()) {
+        qWarning("QWaitCondition: Destroyed while threads are still waiting");
+        qDeleteAll(d->queue);
+    }
+
+    qDeleteAll(d->freeQueue);
+    delete d;
+}
+
+bool QWaitCondition::wait(QMutex *mutex, unsigned long time)
+{
+    if (!mutex)
+        return false;
+    if (mutex->d->recursive) {
+        qWarning("QWaitCondition::wait: Cannot wait on recursive mutexes");
+        return false;
+    }
+
+    QWaitConditionEvent *wce = d->pre();
+    mutex->unlock();
+
+    bool returnValue = d->wait(wce, time);
+
+    mutex->lock();
+    d->post(wce, returnValue);
+
+    return returnValue;
+}
+
+bool QWaitCondition::wait(QReadWriteLock *readWriteLock, unsigned long time)
+{
+    if (!readWriteLock || readWriteLock->d->accessCount == 0)
+        return false;
+    if (readWriteLock->d->accessCount < -1) {
+        qWarning("QWaitCondition: cannot wait on QReadWriteLocks with recursive lockForWrite()");
+        return false;
+    }
+
+    QWaitConditionEvent *wce = d->pre();
+    int previousAccessCount = readWriteLock->d->accessCount;
+    readWriteLock->unlock();
+
+    bool returnValue = d->wait(wce, time);
+
+    if (previousAccessCount < 0)
+        readWriteLock->lockForWrite();
+    else
+        readWriteLock->lockForRead();
+    d->post(wce, returnValue);
+
+    return returnValue;
+}
+
+void QWaitCondition::wakeOne()
+{
+    // wake up the first waiting thread in the queue
+    QMutexLocker locker(&d->mtx);
+    for (int i = 0; i < d->queue.size(); ++i) {
+        QWaitConditionEvent *current = d->queue.at(i);
+        if (current->wokenUp)
+            continue;
+        SetEvent(current->event);
+        current->wokenUp = true;
+        break;
+    }
+}
+
+void QWaitCondition::wakeAll()
+{
+    // wake up the all threads in the queue
+    QMutexLocker locker(&d->mtx);
+    for (int i = 0; i < d->queue.size(); ++i) {
+        QWaitConditionEvent *current = d->queue.at(i);
+        SetEvent(current->event);
+        current->wokenUp = true;
+    }
+}
+
+QT_END_NAMESPACE
+#endif // QT_NO_THREAD
diff --git a/src/corelib/thread/thread.pri b/src/corelib/thread/thread.pri
new file mode 100644
index 0000000000..03f661d353
--- /dev/null
+++ b/src/corelib/thread/thread.pri
@@ -0,0 +1,33 @@
+# Qt core thread module
+
+# public headers
+HEADERS += thread/qmutex.h \
+           thread/qreadwritelock.h \
+           thread/qsemaphore.h \
+ 	   thread/qthread.h \
+ 	   thread/qthreadstorage.h \
+ 	   thread/qwaitcondition.h \
+	   thread/qatomic.h
+	
+# private headers
+HEADERS += thread/qmutex_p.h \
+           thread/qmutexpool_p.h \
+           thread/qorderedmutexlocker_p.h \
+           thread/qreadwritelock_p.h \
+           thread/qthread_p.h
+
+SOURCES += thread/qatomic.cpp \
+           thread/qmutex.cpp \
+           thread/qreadwritelock.cpp \
+	   thread/qmutexpool.cpp \
+	   thread/qsemaphore.cpp \
+ 	   thread/qthread.cpp \
+           thread/qthreadstorage.cpp 
+
+unix:SOURCES += thread/qmutex_unix.cpp \
+                thread/qthread_unix.cpp \
+		thread/qwaitcondition_unix.cpp
+
+win32:SOURCES += thread/qmutex_win.cpp \
+                 thread/qthread_win.cpp \
+		 thread/qwaitcondition_win.cpp
diff --git a/src/corelib/tools/qalgorithms.h b/src/corelib/tools/qalgorithms.h
new file mode 100644
index 0000000000..3bfa6ad399
--- /dev/null
+++ b/src/corelib/tools/qalgorithms.h
@@ -0,0 +1,565 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QALGORITHMS_H
+#define QALGORITHMS_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+/*
+    Warning: The contents of QAlgorithmsPrivate is not a part of the public Qt API
+    and may be changed from version to version or even be completely removed.
+*/
+namespace QAlgorithmsPrivate {
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE void qSortHelper(RandomAccessIterator start, RandomAccessIterator end, const T &t, LessThan lessThan);
+template <typename RandomAccessIterator, typename T>
+inline void qSortHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &dummy);
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE void qStableSortHelper(RandomAccessIterator start, RandomAccessIterator end, const T &t, LessThan lessThan);
+template <typename RandomAccessIterator, typename T>
+inline void qStableSortHelper(RandomAccessIterator, RandomAccessIterator, const T &);
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qLowerBoundHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan);
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qUpperBoundHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan);
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qBinaryFindHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan);
+
+}
+
+template <typename InputIterator, typename OutputIterator>
+inline OutputIterator qCopy(InputIterator begin, InputIterator end, OutputIterator dest)
+{
+    while (begin != end)
+        *dest++ = *begin++;
+    return dest;
+}
+
+template <typename BiIterator1, typename BiIterator2>
+inline BiIterator2 qCopyBackward(BiIterator1 begin, BiIterator1 end, BiIterator2 dest)
+{
+    while (begin != end)
+        *--dest = *--end;
+    return dest;
+}
+
+template <typename InputIterator1, typename InputIterator2>
+inline bool qEqual(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2)
+{
+    for (; first1 != last1; ++first1, ++first2)
+        if (!(*first1 == *first2))
+            return false;
+    return true;
+}
+
+template <typename ForwardIterator, typename T>
+inline void qFill(ForwardIterator first, ForwardIterator last, const T &val)
+{
+    for (; first != last; ++first)
+        *first = val;
+}
+
+template <typename Container, typename T>
+inline void qFill(Container &container, const T &val)
+{
+    qFill(container.begin(), container.end(), val);
+}
+
+template <typename InputIterator, typename T>
+inline InputIterator qFind(InputIterator first, InputIterator last, const T &val)
+{
+    while (first != last && !(*first == val))
+        ++first;
+    return first;
+}
+
+template <typename Container, typename T>
+inline typename Container::const_iterator qFind(const Container &container, const T &val)
+{
+    return qFind(container.constBegin(), container.constEnd(), val);
+}
+
+template <typename InputIterator, typename T, typename Size>
+inline void qCount(InputIterator first, InputIterator last, const T &value, Size &n)
+{
+    for (; first != last; ++first)
+        if (*first == value)
+            ++n;
+}
+
+template <typename Container, typename T, typename Size>
+inline void qCount(const Container &container, const T &value, Size &n)
+{
+    qCount(container.constBegin(), container.constEnd(), value, n);
+}
+
+
+#if defined Q_CC_MSVC && _MSC_VER < 1300
+template <typename T>
+inline void qSwap(T &value1, T &value2)
+{
+    qSwap_helper<T>(value1, value2, (T *)0);
+}
+#else
+template <typename T>
+inline void qSwap(T &value1, T &value2)
+{
+    T t = value1;
+    value1 = value2;
+    value2 = t;
+}
+#endif
+
+#ifdef qdoc
+template <typename T>
+LessThan qLess()
+{
+}
+
+template <typename T>
+LessThan qGreater()
+{
+}
+#else
+template <typename T>
+class qLess
+{
+public:
+    inline bool operator()(const T &t1, const T &t2) const
+    {
+        return (t1 < t2);
+    }
+};
+
+template <typename T>
+class qGreater
+{
+public:
+    inline bool operator()(const T &t1, const T &t2) const
+    {
+        return (t2 < t1);
+    }
+};
+#endif
+
+template <typename RandomAccessIterator>
+inline void qSort(RandomAccessIterator start, RandomAccessIterator end)
+{
+    if (start != end)
+        QAlgorithmsPrivate::qSortHelper(start, end, *start);
+}
+
+template <typename RandomAccessIterator, typename LessThan>
+inline void qSort(RandomAccessIterator start, RandomAccessIterator end, LessThan lessThan)
+{
+    if (start != end)
+        QAlgorithmsPrivate::qSortHelper(start, end, *start, lessThan);
+}
+
+template<typename Container>
+inline void qSort(Container &c)
+{
+#ifdef Q_CC_BOR
+    // Work around Borland 5.5 optimizer bug
+    c.detach();
+#endif
+    if (!c.empty())
+        QAlgorithmsPrivate::qSortHelper(c.begin(), c.end(), *c.begin());
+}
+
+template <typename RandomAccessIterator>
+inline void qStableSort(RandomAccessIterator start, RandomAccessIterator end)
+{
+    if (start != end)
+        QAlgorithmsPrivate::qStableSortHelper(start, end, *start);
+}
+
+template <typename RandomAccessIterator, typename LessThan>
+inline void qStableSort(RandomAccessIterator start, RandomAccessIterator end, LessThan lessThan)
+{
+    if (start != end)
+        QAlgorithmsPrivate::qStableSortHelper(start, end, *start, lessThan);
+}
+
+template<typename Container>
+inline void qStableSort(Container &c)
+{
+#ifdef Q_CC_BOR
+    // Work around Borland 5.5 optimizer bug
+    c.detach();
+#endif
+    if (!c.empty())
+        QAlgorithmsPrivate::qStableSortHelper(c.begin(), c.end(), *c.begin());
+}
+
+template <typename RandomAccessIterator, typename T>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qLowerBound(RandomAccessIterator begin, RandomAccessIterator end, const T &value)
+{
+    // Implementation is duplicated from QAlgorithmsPrivate to keep existing code
+    // compiling. We have to allow using *begin and value with different types, 
+    // and then implementing operator< for those types.
+    RandomAccessIterator middle;
+    int n = end - begin;
+    int half;
+
+    while (n > 0) {
+        half = n >> 1;
+        middle = begin + half;
+        if (*middle < value) {
+            begin = middle + 1;
+            n -= half + 1;
+        } else {
+            n = half;
+        }
+    }
+    return begin;
+}
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qLowerBound(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan)
+{
+    return QAlgorithmsPrivate::qLowerBoundHelper(begin, end, value, lessThan);
+}
+
+template <typename Container, typename T>
+Q_OUTOFLINE_TEMPLATE typename Container::const_iterator qLowerBound(const Container &container, const T &value)
+{
+    return QAlgorithmsPrivate::qLowerBoundHelper(container.constBegin(), container.constEnd(), value, qLess<T>());
+}
+
+template <typename RandomAccessIterator, typename T>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qUpperBound(RandomAccessIterator begin, RandomAccessIterator end, const T &value)
+{
+    // Implementation is duplicated from QAlgorithmsPrivate.
+    RandomAccessIterator middle;
+    int n = end - begin;
+    int half;
+
+    while (n > 0) {
+        half = n >> 1;
+        middle = begin + half;
+        if (value < *middle) {
+            n = half;
+        } else {
+            begin = middle + 1;
+            n -= half + 1;
+        }
+    }
+    return begin;
+}
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qUpperBound(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan)
+{
+    return QAlgorithmsPrivate::qUpperBoundHelper(begin, end, value, lessThan);
+}
+
+template <typename Container, typename T>
+Q_OUTOFLINE_TEMPLATE typename Container::const_iterator qUpperBound(const Container &container, const T &value)
+{
+    return QAlgorithmsPrivate::qUpperBoundHelper(container.constBegin(), container.constEnd(), value, qLess<T>());
+}
+
+template <typename RandomAccessIterator, typename T>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qBinaryFind(RandomAccessIterator begin, RandomAccessIterator end, const T &value)
+{
+    // Implementation is duplicated from QAlgorithmsPrivate.
+    qint64 l = 0;
+    qint64 r = end - begin - 1;
+    if (r < 0)
+        return end;
+    qint64 i = (l + r + 1) / 2;
+
+    while (r != l) {
+        if (value < begin[i])
+            r = i - 1;
+        else
+            l = i;
+        i = (l + r + 1) / 2;
+    }
+    if (begin[i] < value || value < begin[i])
+        return end;
+    else
+        return begin + i;
+}
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qBinaryFind(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan)
+{
+    return QAlgorithmsPrivate::qBinaryFindHelper(begin, end, value, lessThan);
+}
+
+template <typename Container, typename T>
+Q_OUTOFLINE_TEMPLATE typename Container::const_iterator qBinaryFind(const Container &container, const T &value)
+{
+    return QAlgorithmsPrivate::qBinaryFindHelper(container.constBegin(), container.constEnd(), value, qLess<T>());
+}
+
+template <typename ForwardIterator>
+Q_OUTOFLINE_TEMPLATE void qDeleteAll(ForwardIterator begin, ForwardIterator end)
+{
+    while (begin != end) {
+        delete *begin;
+        ++begin;
+    }
+}
+
+template <typename Container>
+inline void qDeleteAll(const Container &c)
+{
+    qDeleteAll(c.begin(), c.end());
+}
+
+/*
+    Warning: The contents of QAlgorithmsPrivate is not a part of the public Qt API
+    and may be changed from version to version or even be completely removed.
+*/
+namespace QAlgorithmsPrivate {
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE void qSortHelper(RandomAccessIterator start, RandomAccessIterator end, const T &t, LessThan lessThan)
+{
+top:
+    int span = end - start;
+    if (span < 2)
+        return;
+
+    --end;
+    RandomAccessIterator low = start, high = end - 1;
+    RandomAccessIterator pivot = start + span / 2;
+
+    if (lessThan(*end, *start))
+        qSwap(*end, *start);
+    if (span == 2)
+        return;
+
+    if (lessThan(*pivot, *start))
+        qSwap(*pivot, *start);
+    if (lessThan(*end, *pivot))
+        qSwap(*end, *pivot);
+    if (span == 3)
+        return;
+
+    qSwap(*pivot, *end);
+
+    while (low < high) {
+        while (low < high && lessThan(*low, *end))
+            ++low;
+
+        while (high > low && lessThan(*end, *high))
+            --high;
+
+        if (low < high) {
+            qSwap(*low, *high);
+            ++low;
+            --high;
+        } else {
+            break;
+        }
+    }
+
+    if (lessThan(*low, *end))
+        ++low;
+
+    qSwap(*end, *low);
+    qSortHelper(start, low, t, lessThan);
+
+    start = low + 1;
+    ++end;
+    goto top;
+}
+
+template <typename RandomAccessIterator, typename T>
+inline void qSortHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &dummy)
+{
+    qSortHelper(begin, end, dummy, qLess<T>());
+}
+
+template <typename RandomAccessIterator>
+Q_OUTOFLINE_TEMPLATE void qReverse(RandomAccessIterator begin, RandomAccessIterator end)
+{
+    --end;
+    while (begin < end)
+        qSwap(*begin++, *end--);
+}
+
+template <typename RandomAccessIterator>
+Q_OUTOFLINE_TEMPLATE void qRotate(RandomAccessIterator begin, RandomAccessIterator middle, RandomAccessIterator end)
+{
+    qReverse(begin, middle); 
+    qReverse(middle, end); 
+    qReverse(begin, end); 
+}
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE void qMerge(RandomAccessIterator begin, RandomAccessIterator pivot, RandomAccessIterator end, T &t, LessThan lessThan)
+{
+    const int len1 = pivot - begin;
+    const int len2 = end - pivot;
+
+    if (len1 == 0 || len2 == 0)
+        return;
+
+    if (len1 + len2 == 2) {
+        if (lessThan(*(begin + 1), *(begin)))
+            qSwap(*begin, *(begin + 1));
+        return;
+    }
+
+    RandomAccessIterator firstCut;
+    RandomAccessIterator secondCut;
+    int len2Half;
+    if (len1 > len2) {
+        const int len1Half = len1 / 2;
+        firstCut = begin + len1Half;
+        secondCut = qLowerBound(pivot, end, *firstCut, lessThan);
+        len2Half = secondCut - pivot;
+    } else {
+        len2Half = len2 / 2;
+        secondCut = pivot + len2Half;
+        firstCut = qUpperBound(begin, pivot, *secondCut, lessThan);
+    }
+
+    qRotate(firstCut, pivot, secondCut);
+    const RandomAccessIterator newPivot = firstCut + len2Half;
+    qMerge(begin, firstCut, newPivot, t, lessThan);
+    qMerge(newPivot, secondCut, end, t, lessThan);
+}
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE void qStableSortHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &t, LessThan lessThan)
+{
+    const int span = end - begin;
+    if (span < 2)
+       return;
+       
+    const RandomAccessIterator middle = begin + span / 2;
+    qStableSortHelper(begin, middle, t, lessThan);
+    qStableSortHelper(middle, end, t, lessThan);
+    qMerge(begin, middle, end, t, lessThan);
+}
+
+template <typename RandomAccessIterator, typename T>
+inline void qStableSortHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &dummy)
+{
+    qStableSortHelper(begin, end, dummy, qLess<T>());
+}
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qLowerBoundHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan)
+{
+    RandomAccessIterator middle;
+    int n = end - begin;
+    int half;
+
+    while (n > 0) {
+        half = n >> 1;
+        middle = begin + half;
+        if (lessThan(*middle, value)) {
+            begin = middle + 1;
+            n -= half + 1;
+        } else {
+            n = half;
+        }
+    }
+    return begin;
+}
+
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qUpperBoundHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan)
+{
+    RandomAccessIterator middle;
+    int n = end - begin;
+    int half;
+
+    while (n > 0) {
+        half = n >> 1;
+        middle = begin + half;
+        if (lessThan(value, *middle)) {
+            n = half;
+        } else {
+            begin = middle + 1;
+            n -= half + 1;
+        }
+    }
+    return begin;
+}
+
+template <typename RandomAccessIterator, typename T, typename LessThan>
+Q_OUTOFLINE_TEMPLATE RandomAccessIterator qBinaryFindHelper(RandomAccessIterator begin, RandomAccessIterator end, const T &value, LessThan lessThan)
+{
+    qint64 l = 0;
+    qint64 r = end - begin - 1;
+    if (r < 0)
+        return end;
+    qint64 i = (l + r + 1) / 2;
+
+    while (r != l) {
+        if (lessThan(value, begin[i]))
+            r = i - 1;
+        else
+            l = i;
+        i = (l + r + 1) / 2;
+    }
+    if (lessThan(begin[i], value) || lessThan(value, begin[i]))
+        return end;
+    else
+        return begin + i;
+}
+
+} //namespace QAlgorithmsPrivate
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QALGORITHMS_H
diff --git a/src/corelib/tools/qbitarray.cpp b/src/corelib/tools/qbitarray.cpp
new file mode 100644
index 0000000000..a947ab53bc
--- /dev/null
+++ b/src/corelib/tools/qbitarray.cpp
@@ -0,0 +1,728 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbitarray.h"
+#include <qdatastream.h>
+#include <qdebug.h>
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QBitArray
+    \brief The QBitArray class provides an array of bits.
+
+    \ingroup tools
+    \ingroup shared
+    \reentrant
+
+    A QBitArray is an array that gives access to individual bits and
+    provides operators (\link operator&() AND\endlink, \link
+    operator|() OR\endlink, \link operator^() XOR\endlink, and \link
+    operator~() NOT\endlink) that work on entire arrays of bits. It
+    uses \l{implicit sharing} (copy-on-write) to reduce memory usage
+    and to avoid the needless copying of data.
+
+    The following code constructs a QBitArray containing 200 bits
+    initialized to false (0):
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 0
+
+    To initialize the bits to true, either pass \c true as second
+    argument to the constructor, or call fill() later on.
+
+    QBitArray uses 0-based indexes, just like C++ arrays. To access
+    the bit at a particular index position, you can use operator[]().
+    On non-const bit arrays, operator[]() returns a reference to a
+    bit that can be used on the left side of an assignment. For
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 1
+
+    For technical reasons, it is more efficient to use testBit() and
+    setBit() to access bits in the array than operator[](). For
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 2
+
+    QBitArray supports \c{&} (\link operator&() AND\endlink), \c{|}
+    (\link operator|() OR\endlink), \c{^} (\link operator^()
+    XOR\endlink), \c{~} (\link operator~() NOT\endlink), as well as
+    \c{&=}, \c{|=}, and \c{^=}. These operators work in the same way
+    as the built-in C++ bitwise operators of the same name. For
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 3
+
+    For historical reasons, QBitArray distinguishes between a null
+    bit array and an empty bit array. A \e null bit array is a bit
+    array that is initialized using QBitArray's default constructor.
+    An \e empty bit array is any bit array with size 0. A null bit
+    array is always empty, but an empty bit array isn't necessarily
+    null:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 4
+
+    All functions except isNull() treat null bit arrays the same as
+    empty bit arrays; for example, QBitArray() compares equal to
+    QBitArray(0). We recommend that you always use isEmpty() and
+    avoid isNull().
+
+    \sa QByteArray, QVector
+*/
+
+/*! \fn QBitArray::QBitArray()
+
+    Constructs an empty bit array.
+
+    \sa isEmpty()
+*/
+
+/*!
+    Constructs a bit array containing \a size bits. The bits are
+    initialized with \a value, which defaults to false (0).
+*/
+QBitArray::QBitArray(int size, bool value)
+{
+    if (!size) {
+        d.resize(0);
+        return;
+    }
+    d.resize(1 + (size+7)/8);
+    uchar* c = reinterpret_cast<uchar*>(d.data());
+    memset(c, value ? 0xff : 0, d.size());
+    *c = d.size()*8 - size;
+    if (value && size && size % 8)
+        *(c+1+size/8) &= (1 << (size%8)) - 1;
+}
+
+/*! \fn int QBitArray::size() const
+
+    Returns the number of bits stored in the bit array.
+
+    \sa resize()
+*/
+
+/*! \fn int QBitArray::count() const
+
+    Same as size().
+*/
+
+/*!
+    If \a on is true, this function returns the number of
+    1-bits stored in the bit array; otherwise the number
+    of 0-bits is returned.
+*/
+int QBitArray::count(bool on) const
+{
+    int numBits = 0;
+    int len = size();
+#if 0
+    for (int i = 0; i < len; ++i)
+        numBits += testBit(i);
+#else
+    // See http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
+    const quint8 *bits = reinterpret_cast<const quint8 *>(d.data()) + 1;
+    while (len >= 32) {
+        quint32 v = quint32(bits[0]) | (quint32(bits[1]) << 8) | (quint32(bits[2]) << 16) | (quint32(bits[3]) << 24);
+        quint32 c = ((v & 0xfff) * Q_UINT64_C(0x1001001001001) & Q_UINT64_C(0x84210842108421)) % 0x1f;
+        c += (((v & 0xfff000) >> 12) * Q_UINT64_C(0x1001001001001) & Q_UINT64_C(0x84210842108421)) % 0x1f;
+        c += ((v >> 24) * Q_UINT64_C(0x1001001001001) & Q_UINT64_C(0x84210842108421)) % 0x1f;
+        len -= 32;
+        bits += 4;
+        numBits += int(c);
+    }
+    while (len >= 24) {
+        quint32 v = quint32(bits[0]) | (quint32(bits[1]) << 8) | (quint32(bits[2]) << 16);
+        quint32 c =  ((v & 0xfff) * Q_UINT64_C(0x1001001001001) & Q_UINT64_C(0x84210842108421)) % 0x1f;
+        c += (((v & 0xfff000) >> 12) * Q_UINT64_C(0x1001001001001) & Q_UINT64_C(0x84210842108421)) % 0x1f;    
+        len -= 24;
+        bits += 3;
+        numBits += int(c);
+    }
+    while (len >= 0) {
+        if (bits[len / 8] & (1 << ((len - 1) & 7)))
+            ++numBits;
+        --len;
+    }
+#endif
+    return on ? numBits : size() - numBits;
+}
+
+/*!
+    Resizes the bit array to \a size bits.
+
+    If \a size is greater than the current size, the bit array is
+    extended to make it \a size bits with the extra bits added to the
+    end. The new bits are initialized to false (0).
+
+    If \a size is less than the current size, bits are removed from
+    the end.
+
+    \sa size()
+*/
+void QBitArray::resize(int size)
+{
+    if (!size) {
+        d.resize(0);
+    } else {
+        int s = d.size();
+        d.resize(1 + (size+7)/8);
+        uchar* c = reinterpret_cast<uchar*>(d.data());
+        if (size > (s << 3))
+            memset(c + s, 0, d.size() - s);
+        *c = d.size()*8 - size;
+    }
+}
+
+/*! \fn bool QBitArray::isEmpty() const
+
+    Returns true if this bit array has size 0; otherwise returns
+    false.
+
+    \sa size()
+*/
+
+/*! \fn bool QBitArray::isNull() const
+
+    Returns true if this bit array is null; otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 5
+
+    Qt makes a distinction between null bit arrays and empty bit
+    arrays for historical reasons. For most applications, what
+    matters is whether or not a bit array contains any data,
+    and this can be determined using isEmpty().
+
+    \sa isEmpty()
+*/
+
+/*! \fn bool QBitArray::fill(bool value, int size = -1)
+
+    Sets every bit in the bit array to \a value, returning true if successful;
+    otherwise returns false. If \a size is different from -1 (the default),
+    the bit array is resized to \a size beforehand.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 6
+
+    \sa resize()
+*/
+
+/*!
+    \overload
+
+    Sets bits at index positions \a begin up to and excluding \a end
+    to \a value.
+
+    \a begin and \a end must be a valid index position in the bit
+    array (i.e., 0 <= \a begin <= size() and 0 <= \a end <= size()).
+*/
+
+void QBitArray::fill(bool value, int begin, int end)
+{
+    while (begin < end && begin & 0x7)
+        setBit(begin++, value);
+    int len = end - begin;
+    if (len <= 0)
+        return;
+    int s = len & ~0x7;
+    uchar *c = reinterpret_cast<uchar*>(d.data());
+    memset(c + (begin >> 3) + 1, value ? 0xff : 0, s >> 3);
+    begin += s;
+    while (begin < end)
+        setBit(begin++, value);
+}
+
+/*! \fn bool QBitArray::isDetached() const
+
+    \internal
+*/
+
+/*! \fn void QBitArray::detach()
+
+    \internal
+*/
+
+/*! \fn void QBitArray::clear()
+
+    Clears the contents of the bit array and makes it empty.
+
+    \sa resize(), isEmpty()
+*/
+
+/*! \fn void QBitArray::truncate(int pos)
+
+    Truncates the bit array at index position \a pos.
+
+    If \a pos is beyond the end of the array, nothing happens.
+
+    \sa resize()
+*/
+
+/*! \fn bool QBitArray::toggleBit(int i)
+
+    Inverts the value of the bit at index position \a i, returning the
+    previous value of that bit as either true (if it was set) or false (if
+    it was unset).
+
+    If the previous value was 0, the new value will be 1. If the
+    previous value was 1, the new value will be 0.
+
+    \a i must be a valid index position in the bit array (i.e., 0 <=
+    \a i < size()).
+
+    \sa setBit(), clearBit()
+*/
+
+/*! \fn bool QBitArray::testBit(int i) const
+
+    Returns true if the bit at index position \a i is 1; otherwise
+    returns false.
+
+    \a i must be a valid index position in the bit array (i.e., 0 <=
+    \a i < size()).
+
+    \sa setBit(), clearBit()
+*/
+
+/*! \fn bool QBitArray::setBit(int i)
+
+    Sets the bit at index position \a i to 1.
+
+    \a i must be a valid index position in the bit array (i.e., 0 <=
+    \a i < size()).
+
+    \sa clearBit(), toggleBit()
+*/
+
+/*! \fn void QBitArray::setBit(int i, bool value)
+
+    \overload
+
+    Sets the bit at index position \a i to \a value.
+*/
+
+/*! \fn void QBitArray::clearBit(int i)
+
+    Sets the bit at index position \a i to 0.
+
+    \a i must be a valid index position in the bit array (i.e., 0 <=
+    \a i < size()).
+
+    \sa setBit(), toggleBit()
+*/
+
+/*! \fn bool QBitArray::at(int i) const
+
+    Returns the value of the bit at index position \a i.
+
+    \a i must be a valid index position in the bit array (i.e., 0 <=
+    \a i < size()).
+
+    \sa operator[]()
+*/
+
+/*! \fn QBitRef QBitArray::operator[](int i)
+
+    Returns the bit at index position \a i as a modifiable reference.
+
+    \a i must be a valid index position in the bit array (i.e., 0 <=
+    \a i < size()).
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 7
+
+    The return value is of type QBitRef, a helper class for QBitArray.
+    When you get an object of type QBitRef, you can assign to
+    it, and the assignment will apply to the bit in the QBitArray
+    from which you got the reference.
+
+    The functions testBit(), setBit(), and clearBit() are slightly
+    faster.
+
+    \sa at(), testBit(), setBit(), clearBit()
+*/
+
+/*! \fn bool QBitArray::operator[](int i) const
+
+    \overload
+*/
+
+/*! \fn bool QBitArray::operator[](uint i)
+
+    \overload
+*/
+
+/*! \fn bool QBitArray::operator[](uint i) const
+
+    \overload
+*/
+
+/*! \fn QBitArray::QBitArray(const QBitArray &other)
+
+    Constructs a copy of \a other.
+
+    This operation takes \l{constant time}, because QBitArray is
+    \l{implicitly shared}. This makes returning a QBitArray from a
+    function very fast. If a shared instance is modified, it will be
+    copied (copy-on-write), and that takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*! \fn QBitArray &QBitArray::operator=(const QBitArray &other)
+
+    Assigns \a other to this bit array and returns a reference to
+    this bit array.
+*/
+
+/*! \fn bool QBitArray::operator==(const QBitArray &other) const
+
+    Returns true if \a other is equal to this bit array; otherwise
+    returns false.
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QBitArray::operator!=(const QBitArray &other) const
+
+    Returns true if \a other is not equal to this bit array;
+    otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*!
+    Performs the AND operation between all bits in this bit array and
+    \a other. Assigns the result to this bit array, and returns a
+    reference to it.
+
+    The result has the length of the longest of the two bit arrays,
+    with any missing bits (if one array is shorter than the other)
+    taken to be 0.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 8
+
+    \sa operator&(), operator|=(), operator^=(), operator~()
+*/
+
+QBitArray &QBitArray::operator&=(const QBitArray &other)
+{
+    resize(qMax(size(), other.size()));
+    uchar *a1 = reinterpret_cast<uchar*>(d.data()) + 1;
+    const uchar *a2 = reinterpret_cast<const uchar*>(other.d.constData()) + 1;
+    int n = other.d.size() -1 ; 
+    int p = d.size() - 1 - n;
+    while (n-- > 0)
+        *a1++ &= *a2++;
+    while (p-- > 0)
+        *a1++ = 0;
+    return *this;
+}
+
+/*!
+    Performs the OR operation between all bits in this bit array and
+    \a other. Assigns the result to this bit array, and returns a
+    reference to it.
+
+    The result has the length of the longest of the two bit arrays,
+    with any missing bits (if one array is shorter than the other)
+    taken to be 0.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 9
+
+    \sa operator|(), operator&=(), operator^=(), operator~()
+*/
+
+QBitArray &QBitArray::operator|=(const QBitArray &other)
+{
+    resize(qMax(size(), other.size()));
+    uchar *a1 = reinterpret_cast<uchar*>(d.data()) + 1;
+    const uchar *a2 = reinterpret_cast<const uchar *>(other.d.constData()) + 1;
+    int n = other.d.size() - 1;   
+    while (n-- > 0)
+        *a1++ |= *a2++;
+    return *this;
+}
+
+/*!
+    Performs the XOR operation between all bits in this bit array and
+    \a other. Assigns the result to this bit array, and returns a
+    reference to it.
+
+    The result has the length of the longest of the two bit arrays,
+    with any missing bits (if one array is shorter than the other)
+    taken to be 0.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 10
+
+    \sa operator^(), operator&=(), operator|=(), operator~()
+*/
+
+QBitArray &QBitArray::operator^=(const QBitArray &other)
+{
+    resize(qMax(size(), other.size()));
+    uchar *a1 = reinterpret_cast<uchar*>(d.data()) + 1;
+    const uchar *a2 = reinterpret_cast<const uchar *>(other.d.constData()) + 1;
+    int n = other.d.size() - 1;
+    while (n-- > 0)
+        *a1++ ^= *a2++;
+    return *this;
+}
+
+/*!
+    Returns a bit array that contains the inverted bits of this bit
+    array.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 11
+
+    \sa operator&(), operator|(), operator^()
+*/
+
+QBitArray QBitArray::operator~() const
+{
+    int sz = size();
+    QBitArray a(sz);
+    const uchar *a1 = reinterpret_cast<const uchar *>(d.constData()) + 1;
+    uchar *a2 = reinterpret_cast<uchar*>(a.d.data()) + 1;
+    int n = d.size() - 1;
+
+    while (n-- > 0)
+        *a2++ = ~*a1++;
+
+    if (sz && sz%8)
+        *(a2-1) &= (1 << (sz%8)) - 1;
+    return a;
+}
+
+/*!
+    \relates QBitArray
+
+    Returns a bit array that is the AND of the bit arrays \a a1 and \a
+    a2.
+
+    The result has the length of the longest of the two bit arrays,
+    with any missing bits (if one array is shorter than the other)
+    taken to be 0.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 12
+
+    \sa QBitArray::operator&=(), operator|(), operator^()
+*/
+
+QBitArray operator&(const QBitArray &a1, const QBitArray &a2)
+{
+    QBitArray tmp = a1;
+    tmp &= a2;
+    return tmp;
+}
+
+/*!
+    \relates QBitArray
+
+    Returns a bit array that is the OR of the bit arrays \a a1 and \a
+    a2.
+
+    The result has the length of the longest of the two bit arrays,
+    with any missing bits (if one array is shorter than the other)
+    taken to be 0.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 13
+
+    \sa QBitArray::operator|=(), operator&(), operator^()
+*/
+
+QBitArray operator|(const QBitArray &a1, const QBitArray &a2)
+{
+    QBitArray tmp = a1;
+    tmp |= a2;
+    return tmp;
+}
+
+/*!
+    \relates QBitArray
+
+    Returns a bit array that is the XOR of the bit arrays \a a1 and \a
+    a2.
+
+    The result has the length of the longest of the two bit arrays,
+    with any missing bits (if one array is shorter than the other)
+    taken to be 0.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbitarray.cpp 14
+
+    \sa QBitArray::operator^=(), operator&(), operator|()
+*/
+
+QBitArray operator^(const QBitArray &a1, const QBitArray &a2)
+{
+    QBitArray tmp = a1;
+    tmp ^= a2;
+    return tmp;
+}
+
+/*!
+    \class QBitRef
+    \reentrant
+    \brief The QBitRef class is an internal class, used with QBitArray.
+
+    \internal
+
+    The QBitRef is required by the indexing [] operator on bit arrays.
+    It is not for use in any other context.
+*/
+
+/*! \fn QBitRef::QBitRef (QBitArray& a, int i)
+
+    Constructs a reference to element \a i in the QBitArray \a a.
+    This is what QBitArray::operator[] constructs its return value
+    with.
+*/
+
+/*! \fn QBitRef::operator bool() const
+
+    Returns the value referenced by the QBitRef.
+*/
+
+/*! \fn bool QBitRef::operator!() const
+
+    \internal
+*/
+
+/*! \fn QBitRef& QBitRef::operator= (const QBitRef& v)
+
+    Sets the value referenced by the QBitRef to that referenced by
+    QBitRef \a v.
+*/
+
+/*! \fn QBitRef& QBitRef::operator= (bool v)
+    \overload
+
+    Sets the value referenced by the QBitRef to \a v.
+*/
+
+
+/*****************************************************************************
+  QBitArray stream functions
+ *****************************************************************************/
+
+/*!
+    \relates QBitArray
+
+    Writes bit array \a ba to stream \a out.
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+#ifndef QT_NO_DATASTREAM
+QDataStream &operator<<(QDataStream &out, const QBitArray &ba)
+{
+    quint32 len = ba.size();
+    out << len;
+    if (len > 0)
+        out.writeRawData(ba.d.constData() + 1, ba.d.size() - 1);
+    return out;
+}
+
+/*!
+    \relates QBitArray
+
+    Reads a bit array into \a ba from stream \a in.
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+QDataStream &operator>>(QDataStream &in, QBitArray &ba)
+{
+    ba.clear();
+    quint32 len;
+    in >> len;
+    if (len == 0) {
+	ba.clear();
+	return in;
+    }
+
+    const quint32 Step = 8 * 1024 * 1024;
+    quint32 totalBytes = (len + 7) / 8;
+    quint32 allocated = 0;
+
+    while (allocated < totalBytes) {
+        int blockSize = qMin(Step, totalBytes - allocated);
+        ba.d.resize(allocated + blockSize + 1);
+        if (in.readRawData(ba.d.data() + 1 + allocated, blockSize) != blockSize) {
+            ba.clear();
+            in.setStatus(QDataStream::ReadPastEnd);
+            return in;
+        }
+        allocated += blockSize;
+    }
+
+    int paddingMask = ~((0x1 << (len & 0x7)) - 1);
+    if (paddingMask != ~0x0 && (ba.d.constData()[ba.d.size() - 1] & paddingMask)) {
+        ba.clear();
+        in.setStatus(QDataStream::ReadCorruptData);
+        return in;
+    }
+
+    *ba.d.data() = ba.d.size() * 8 - len;
+    return in;
+}
+#endif
+
+/*!
+    \fn DataPtr &QBitArray::data_ptr()
+    \internal
+*/
+
+/*!
+    \typedef QBitArray::DataPtr
+    \internal
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qbitarray.h b/src/corelib/tools/qbitarray.h
new file mode 100644
index 0000000000..d754b0717d
--- /dev/null
+++ b/src/corelib/tools/qbitarray.h
@@ -0,0 +1,174 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBITARRAY_H
+#define QBITARRAY_H
+
+#include <QtCore/qbytearray.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QBitRef;
+class Q_CORE_EXPORT QBitArray
+{
+    friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QBitArray &);
+    friend Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QBitArray &);
+    friend Q_CORE_EXPORT uint qHash(const QBitArray &key);
+    QByteArray d;
+
+public:
+    inline QBitArray() {}
+    explicit QBitArray(int size, bool val = false);
+    QBitArray(const QBitArray &other) : d(other.d) {}
+    inline QBitArray &operator=(const QBitArray &other) { d = other.d; return *this; }
+
+    inline int size() const { return (d.size() << 3) - *d.constData(); }
+    inline int count() const { return (d.size() << 3) - *d.constData(); }
+    int count(bool on) const;
+    // ### Qt 5: Store the number of set bits separately
+
+    inline bool isEmpty() const { return d.isEmpty(); }
+    inline bool isNull() const { return d.isNull(); }
+
+    void resize(int size);
+
+    inline void detach() { d.detach(); }
+    inline bool isDetached() const { return d.isDetached(); }
+    inline void clear() { d.clear(); }
+
+    bool testBit(int i) const;
+    void setBit(int i);
+    void setBit(int i, bool val);
+    void clearBit(int i);
+    bool toggleBit(int i);
+
+    bool at(int i) const;
+    QBitRef operator[](int i);
+    bool operator[](int i) const;
+    QBitRef operator[](uint i);
+    bool operator[](uint i) const;
+
+    QBitArray& operator&=(const QBitArray &);
+    QBitArray& operator|=(const QBitArray &);
+    QBitArray& operator^=(const QBitArray &);
+    QBitArray  operator~() const;
+
+    inline bool operator==(const QBitArray& a) const { return d == a.d; }
+    inline bool operator!=(const QBitArray& a) const { return d != a.d; }
+
+    inline bool fill(bool val, int size = -1);
+    void fill(bool val, int first, int last);
+
+    inline void truncate(int pos) { if (pos < size()) resize(pos); }
+
+public:
+    typedef QByteArray::DataPtr DataPtr;
+    inline DataPtr &data_ptr() { return d.data_ptr(); }
+};
+
+inline bool QBitArray::fill(bool aval, int asize)
+{ *this = QBitArray((asize < 0 ? this->size() : asize), aval); return true; }
+
+Q_CORE_EXPORT QBitArray operator&(const QBitArray &, const QBitArray &);
+Q_CORE_EXPORT QBitArray operator|(const QBitArray &, const QBitArray &);
+Q_CORE_EXPORT QBitArray operator^(const QBitArray &, const QBitArray &);
+
+inline bool QBitArray::testBit(int i) const
+{ Q_ASSERT(i >= 0 && i < size());
+ return (*(reinterpret_cast<const uchar*>(d.constData())+1+(i>>3)) & (1 << (i & 7))) != 0; }
+
+inline void QBitArray::setBit(int i)
+{ Q_ASSERT(i >= 0 && i < size());
+ *(reinterpret_cast<uchar*>(d.data())+1+(i>>3)) |= (1 << (i & 7)); }
+
+inline void QBitArray::clearBit(int i)
+{ Q_ASSERT(i >= 0 && i < size());
+ *(reinterpret_cast<uchar*>(d.data())+1+(i>>3)) &= ~(1 << (i & 7)); }
+
+inline void QBitArray::setBit(int i, bool val)
+{ if (val) setBit(i); else clearBit(i); }
+
+inline bool QBitArray::toggleBit(int i)
+{ Q_ASSERT(i >= 0 &&  i < size());
+ uchar b = 1<< (i&7); uchar* p = reinterpret_cast<uchar*>(d.data())+1+(i>>3);
+ uchar c = *p&b; *p^=b; return c!=0; }
+
+inline bool QBitArray::operator[](int i) const { return testBit(i); }
+inline bool QBitArray::operator[](uint i) const { return testBit(i); }
+inline bool QBitArray::at(int i) const { return testBit(i); }
+
+class Q_CORE_EXPORT QBitRef
+{
+private:
+    QBitArray& a;
+    int i;
+    inline QBitRef(QBitArray& array, int idx) : a(array), i(idx) {}
+    friend class QBitArray;
+public:
+    inline operator bool() const { return a.testBit(i); }
+    inline bool operator!() const { return !a.testBit(i); }
+    QBitRef& operator=(const QBitRef& val) { a.setBit(i, val); return *this; }
+    QBitRef& operator=(bool val) { a.setBit(i, val); return *this; }
+};
+
+inline QBitRef QBitArray::operator[](int i)
+{ Q_ASSERT(i >= 0); return QBitRef(*this, i); }
+inline QBitRef QBitArray::operator[](uint i)
+{ return QBitRef(*this, i); }
+
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QBitArray &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QBitArray &);
+#endif
+
+Q_DECLARE_TYPEINFO(QBitArray, Q_MOVABLE_TYPE);
+Q_DECLARE_SHARED(QBitArray)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBITARRAY_H
diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp
new file mode 100644
index 0000000000..6aa35f3414
--- /dev/null
+++ b/src/corelib/tools/qbytearray.cpp
@@ -0,0 +1,4240 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbytearray.h"
+#include "qbytearraymatcher.h"
+#include "qtools_p.h"
+#include "qstring.h"
+#include "qlist.h"
+#include "qlocale.h"
+#include "qlocale_p.h"
+#include "qunicodetables_p.h"
+#ifndef QT_NO_DATASTREAM
+#include <qdatastream.h>
+#endif
+
+#ifndef QT_NO_COMPRESS
+#include <zlib.h>
+#endif
+#include <ctype.h>
+#include <limits.h>
+#include <string.h>
+#include <stdlib.h>
+
+#define IS_RAW_DATA(d) ((d)->data != (d)->array)
+
+QT_BEGIN_NAMESPACE
+
+
+int qFindByteArray(
+    const char *haystack0, int haystackLen, int from,
+    const char *needle0, int needleLen);
+
+
+int qAllocMore(int alloc, int extra)
+{
+    if (alloc == 0 && extra == 0)
+        return 0;
+    const int page = 1 << 12;
+    int nalloc;
+    alloc += extra;
+    if (alloc < 1<<6) {
+        nalloc = (1<<3) + ((alloc >>3) << 3);
+    } else  {
+        // don't do anything if the loop will overflow signed int.
+        if (alloc >= INT_MAX/2)
+            return INT_MAX;
+        nalloc = (alloc < page) ? 1 << 3 : page;
+        while (nalloc < alloc) {
+            if (nalloc <= 0)
+                return INT_MAX;
+            nalloc *= 2;
+        }
+    }
+    return nalloc - extra;
+}
+
+/*****************************************************************************
+  Safe and portable C string functions; extensions to standard string.h
+ *****************************************************************************/
+
+/*! \relates QByteArray
+
+    Returns a duplicate string.
+
+    Allocates space for a copy of \a src, copies it, and returns a
+    pointer to the copy. If \a src is 0, it immediately returns 0.
+
+    Ownership is passed to the caller, so the returned string must be
+    deleted using \c delete[].
+*/
+
+char *qstrdup(const char *src)
+{
+    if (!src)
+        return 0;
+    char *dst = new char[strlen(src) + 1];
+    return qstrcpy(dst, src);
+}
+
+/*! \relates QByteArray
+
+    Copies all the characters up to and including the '\\0' from \a
+    src into \a dst and returns a pointer to \a dst. If \a src is 0,
+    it immediately returns 0.
+
+    This function assumes that \a dst is large enough to hold the
+    contents of \a src.
+
+    \sa qstrncpy()
+*/
+
+char *qstrcpy(char *dst, const char *src)
+{
+    if (!src)
+        return 0;
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+    int len = qstrlen(src);
+	// This is actually not secure!!! It will be fixed
+	// properly in a later release!
+    if (len >= 0 && strcpy_s(dst, len+1, src) == 0)
+	    return dst;
+    return 0;
+#else
+    return strcpy(dst, src);
+#endif
+}
+
+/*! \relates QByteArray
+
+    A safe \c strncpy() function.
+
+    Copies at most \a len bytes from \a src (stopping at \a len or the
+    terminating '\\0' whichever comes first) into \a dst and returns a
+    pointer to \a dst. Guarantees that \a dst is '\\0'-terminated. If
+    \a src or \a dst is 0, returns 0 immediately.
+
+    This function assumes that \a dst is at least \a len characters
+    long.
+
+    \sa qstrcpy()
+*/
+
+char *qstrncpy(char *dst, const char *src, uint len)
+{
+    if (!src || !dst)
+        return 0;
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+	strncpy_s(dst, len, src, len-1);
+#else
+    strncpy(dst, src, len);
+#endif
+    if (len > 0)
+        dst[len-1] = '\0';
+    return dst;
+}
+
+/*! \fn uint qstrlen(const char *str)
+    \relates QByteArray
+
+    A safe \c strlen() function.
+
+    Returns the number of characters that precede the terminating '\\0',
+    or 0 if \a str is 0.
+
+    \sa qstrnlen()
+*/
+
+/*! \fn uint qstrnlen(const char *str, uint maxlen)
+    \relates QByteArray
+    \since 4.2
+
+    A safe \c strnlen() function.
+
+    Returns the number of characters that precede the terminating '\\0', but
+    at most \a maxlen. If \a str is 0, returns 0.
+
+    \sa qstrlen()
+*/
+
+/*!
+    \relates QByteArray
+
+    A safe \c strcmp() function.
+
+    Compares \a str1 and \a str2. Returns a negative value if \a str1
+    is less than \a str2, 0 if \a str1 is equal to \a str2 or a
+    positive value if \a str1 is greater than \a str2.
+
+    Special case 1: Returns 0 if \a str1 and \a str2 are both 0.
+
+    Special case 2: Returns an arbitrary non-zero value if \a str1 is 0
+    or \a str2 is 0 (but not both).
+
+    \sa qstrncmp(), qstricmp(), qstrnicmp(), {8-bit Character Comparisons}
+*/
+int qstrcmp(const char *str1, const char *str2)
+{
+    return (str1 && str2) ? strcmp(str1, str2)
+        : (str1 ? 1 : (str2 ? -1 : 0));
+}
+
+/*! \fn int qstrncmp(const char *str1, const char *str2, uint len);
+
+    \relates QByteArray
+
+    A safe \c strncmp() function.
+
+    Compares at most \a len bytes of \a str1 and \a str2.
+
+    Returns a negative value if \a str1 is less than \a str2, 0 if \a
+    str1 is equal to \a str2 or a positive value if \a str1 is greater
+    than \a str2.
+
+    Special case 1: Returns 0 if \a str1 and \a str2 are both 0.
+
+    Special case 2: Returns a random non-zero value if \a str1 is 0
+    or \a str2 is 0 (but not both).
+
+    \sa qstrcmp(), qstricmp(), qstrnicmp(), {8-bit Character Comparisons}
+*/
+
+/*! \relates QByteArray
+
+    A safe \c stricmp() function.
+
+    Compares \a str1 and \a str2 ignoring the case of the
+    characters. The encoding of the strings is assumed to be Latin-1.
+
+    Returns a negative value if \a str1 is less than \a str2, 0 if \a
+    str1 is equal to \a str2 or a positive value if \a str1 is greater
+    than \a str2.
+
+    Special case 1: Returns 0 if \a str1 and \a str2 are both 0.
+
+    Special case 2: Returns a random non-zero value if \a str1 is 0
+    or \a str2 is 0 (but not both).
+
+    \sa qstrcmp(), qstrncmp(), qstrnicmp(), {8-bit Character Comparisons}
+*/
+
+int qstricmp(const char *str1, const char *str2)
+{
+    register const uchar *s1 = reinterpret_cast<const uchar *>(str1);
+    register const uchar *s2 = reinterpret_cast<const uchar *>(str2);
+    int res;
+    uchar c;
+    if (!s1 || !s2)
+        return s1 ? 1 : (s2 ? -1 : 0);
+    for (; !(res = (c = QChar::toLower((ushort)*s1)) - QChar::toLower((ushort)*s2)); s1++, s2++)
+        if (!c)                                // strings are equal
+            break;
+    return res;
+}
+
+/*! \relates QByteArray
+
+    A safe \c strnicmp() function.
+
+    Compares at most \a len bytes of \a str1 and \a str2 ignoring the
+    case of the characters. The encoding of the strings is assumed to
+    be Latin-1.
+
+    Returns a negative value if \a str1 is less than \a str2, 0 if \a str1
+    is equal to \a str2 or a positive value if \a str1 is greater than \a
+    str2.
+
+    Special case 1: Returns 0 if \a str1 and \a str2 are both 0.
+
+    Special case 2: Returns a random non-zero value if \a str1 is 0
+    or \a str2 is 0 (but not both).
+
+    \sa qstrcmp(), qstrncmp(), qstricmp(), {8-bit Character Comparisons}
+*/
+
+int qstrnicmp(const char *str1, const char *str2, uint len)
+{
+    register const uchar *s1 = reinterpret_cast<const uchar *>(str1);
+    register const uchar *s2 = reinterpret_cast<const uchar *>(str2);
+    int res;
+    uchar c;
+    if (!s1 || !s2)
+        return s1 ? 1 : (s2 ? -1 : 0);
+    for (; len--; s1++, s2++) {
+        if ((res = (c = QChar::toLower((ushort)*s1)) - QChar::toLower((ushort)*s2)))
+            return res;
+        if (!c)                                // strings are equal
+            break;
+    }
+    return 0;
+}
+
+/*!
+    \internal
+ */
+int qstrcmp(const QByteArray &str1, const char *str2)
+{
+    if (!str2)
+        return str1.isEmpty() ? 0 : +1;
+
+    const char *str1data = str1.constData();
+    const char *str1end = str1data + str1.length();
+    for ( ; str1data < str1end && *str2; ++str1data, ++str2) {
+        register int diff = int(uchar(*str1data)) - uchar(*str2);
+        if (diff)
+            // found a difference
+            return diff;
+    }
+
+    // Why did we stop?
+    if (*str2 != '\0')
+        // not the null, so we stopped because str1 is shorter
+        return -1;
+    if (str1data < str1end)
+        // we haven't reached the end, so str1 must be longer
+        return +1;
+    return 0;
+}
+
+/*!
+    \internal
+ */
+int qstrcmp(const QByteArray &str1, const QByteArray &str2)
+{
+    int l1 = str1.length();
+    int l2 = str2.length();
+    int ret = memcmp(str1, str2, qMin(l1, l2));
+    if (ret != 0)
+        return ret;
+
+    // they matched qMin(l1, l2) bytes
+    // so the longer one is lexically after the shorter one
+    return l1 - l2;
+}
+
+// the CRC table below is created by the following piece of code
+#if 0
+static void createCRC16Table()                        // build CRC16 lookup table
+{
+    register unsigned int i;
+    register unsigned int j;
+    unsigned short crc_tbl[16];
+    unsigned int v0, v1, v2, v3;
+    for (i = 0; i < 16; i++) {
+        v0 = i & 1;
+        v1 = (i >> 1) & 1;
+        v2 = (i >> 2) & 1;
+        v3 = (i >> 3) & 1;
+        j = 0;
+#undef SET_BIT
+#define SET_BIT(x, b, v) (x) |= (v) << (b)
+        SET_BIT(j,  0, v0);
+        SET_BIT(j,  7, v0);
+        SET_BIT(j, 12, v0);
+        SET_BIT(j,  1, v1);
+        SET_BIT(j,  8, v1);
+        SET_BIT(j, 13, v1);
+        SET_BIT(j,  2, v2);
+        SET_BIT(j,  9, v2);
+        SET_BIT(j, 14, v2);
+        SET_BIT(j,  3, v3);
+        SET_BIT(j, 10, v3);
+        SET_BIT(j, 15, v3);
+        crc_tbl[i] = j;
+    }
+    printf("static const quint16 crc_tbl[16] = {\n");
+    for (int i = 0; i < 16; i +=4)
+        printf("    0x%04x, 0x%04x, 0x%04x, 0x%04x,\n", crc_tbl[i], crc_tbl[i+1], crc_tbl[i+2], crc_tbl[i+3]);
+    printf("};\n");
+}
+#endif
+
+static const quint16 crc_tbl[16] = {
+    0x0000, 0x1081, 0x2102, 0x3183,
+    0x4204, 0x5285, 0x6306, 0x7387,
+    0x8408, 0x9489, 0xa50a, 0xb58b,
+    0xc60c, 0xd68d, 0xe70e, 0xf78f
+};
+
+/*! 
+    \relates QByteArray
+
+    Returns the CRC-16 checksum of the first \a len bytes of \a data.
+
+    The checksum is independent of the byte order (endianness).
+
+    \note This function is a 16-bit cache conserving (16 entry table)
+    implementation of the CRC-16-CCITT algorithm.
+*/
+
+quint16 qChecksum(const char *data, uint len)
+{
+    register quint16 crc = 0xffff;
+    uchar c;
+    const uchar *p = reinterpret_cast<const uchar *>(data);
+    while (len--) {
+        c = *p++;
+        crc = ((crc >> 4) & 0x0fff) ^ crc_tbl[((crc ^ c) & 15)];
+        c >>= 4;
+        crc = ((crc >> 4) & 0x0fff) ^ crc_tbl[((crc ^ c) & 15)];
+    }
+    return ~crc & 0xffff;
+}
+
+/*!     
+    \fn QByteArray qCompress(const QByteArray& data, int compressionLevel)
+
+    \relates QByteArray
+
+    Compresses the \a data byte array and returns the compressed data
+    in a new byte array.
+
+    The \a compressionLevel parameter specifies how much compression
+    should be used. Valid values are between 0 and 9, with 9
+    corresponding to the greatest compression (i.e. smaller compressed
+    data) at the cost of using a slower algorithm. Smaller values (8,
+    7, ..., 1) provide successively less compression at slightly
+    faster speeds. The value 0 corresponds to no compression at all.
+    The default value is -1, which specifies zlib's default
+    compression.
+
+    \sa qUncompress()
+*/
+
+/*! \relates QByteArray
+
+    \overload
+
+    Compresses the first \a nbytes of \a data and returns the
+    compressed data in a new byte array.
+*/
+
+#ifndef QT_NO_COMPRESS
+QByteArray qCompress(const uchar* data, int nbytes, int compressionLevel)
+{
+    if (nbytes == 0) {
+        return QByteArray(4, '\0');
+    }
+    if (!data) {
+        qWarning("qCompress: Data is null");
+        return QByteArray();
+    }
+    if (compressionLevel < -1 || compressionLevel > 9)
+        compressionLevel = -1;
+
+    ulong len = nbytes + nbytes / 100 + 13;
+    QByteArray bazip;
+    int res;
+    do {
+        bazip.resize(len + 4);
+        res = ::compress2((uchar*)bazip.data()+4, &len, (uchar*)data, nbytes, compressionLevel);
+
+        switch (res) {
+        case Z_OK:
+            bazip.resize(len + 4);
+            bazip[0] = (nbytes & 0xff000000) >> 24;
+            bazip[1] = (nbytes & 0x00ff0000) >> 16;
+            bazip[2] = (nbytes & 0x0000ff00) >> 8;
+            bazip[3] = (nbytes & 0x000000ff);
+            break;
+        case Z_MEM_ERROR:
+            qWarning("qCompress: Z_MEM_ERROR: Not enough memory");
+            bazip.resize(0);
+            break;
+        case Z_BUF_ERROR:
+            len *= 2;
+            break;
+        }
+    } while (res == Z_BUF_ERROR);
+
+    return bazip;
+}
+#endif
+
+/*!
+    \fn QByteArray qUncompress(const QByteArray& data)
+
+    \relates QByteArray
+
+    Uncompresses the \a data byte array and returns a new byte array
+    with the uncompressed data.
+
+    Returns an empty QByteArray if the input data was corrupt.
+
+    This function will uncompress data compressed with qCompress()
+    from this and any earlier Qt version, back to Qt 3.1 when this
+    feature was added.
+
+    \bold{Note:} If you want to use this function to uncompress external
+    data compressed using zlib, you first need to prepend four bytes to the
+    byte array that contain the expected length (as an unsigned integer)
+    of the uncompressed data encoded in big-endian order (most significant
+    byte first).
+
+    \sa qCompress()
+*/
+
+/*! \relates QByteArray
+
+    \overload
+
+    Uncompresses the first \a nbytes of \a data and returns a new byte
+    array with the uncompressed data.
+*/
+
+#ifndef QT_NO_COMPRESS
+QByteArray qUncompress(const uchar* data, int nbytes)
+{
+    if (!data) {
+        qWarning("qUncompress: Data is null");
+        return QByteArray();
+    }
+    if (nbytes <= 4) {
+        if (nbytes < 4 || (data[0]!=0 || data[1]!=0 || data[2]!=0 || data[3]!=0))
+            qWarning("qUncompress: Input data is corrupted");
+        return QByteArray();
+    }
+    ulong expectedSize = (data[0] << 24) | (data[1] << 16) |
+                       (data[2] <<  8) | (data[3]      );
+    ulong len = qMax(expectedSize, 1ul);
+    QByteArray baunzip;
+    int res;
+    do {
+        baunzip.resize(len);
+        res = ::uncompress((uchar*)baunzip.data(), &len,
+                            (uchar*)data+4, nbytes-4);
+
+        switch (res) {
+        case Z_OK:
+            if ((int)len != baunzip.size())
+                baunzip.resize(len);
+            break;
+        case Z_MEM_ERROR:
+            qWarning("qUncompress: Z_MEM_ERROR: Not enough memory");
+            break;
+        case Z_BUF_ERROR:
+            len *= 2;
+            break;
+        case Z_DATA_ERROR:
+            qWarning("qUncompress: Z_DATA_ERROR: Input data is corrupted");
+            break;
+        }
+    } while (res == Z_BUF_ERROR);
+
+    if (res != Z_OK)
+        baunzip = QByteArray();
+
+    return baunzip;
+}
+#endif
+
+static inline bool qIsUpper(char c)
+{
+    return c >= 'A' && c <= 'Z';
+}
+
+static inline char qToLower(char c)
+{
+    if (c >= 'A' && c <= 'Z')
+        return c - 'A' + 'a';
+    else
+        return c;
+}
+
+Q_CORE_EXPORT QByteArray::Data QByteArray::shared_null = {Q_BASIC_ATOMIC_INITIALIZER(1),
+                                                          0, 0, shared_null.array, {0} };
+QByteArray::Data QByteArray::shared_empty = { Q_BASIC_ATOMIC_INITIALIZER(1),
+                                              0, 0, shared_empty.array, {0} };
+
+/*!
+    \class QByteArray
+    \brief The QByteArray class provides an array of bytes.
+
+    \ingroup tools
+    \ingroup shared
+    \ingroup text
+    \mainclass
+    \reentrant
+
+    QByteArray can be used to store both raw bytes (including '\\0's)
+    and traditional 8-bit '\\0'-terminated strings. Using QByteArray
+    is much more convenient than using \c{const char *}. Behind the
+    scenes, it always ensures that the data is followed by a '\\0'
+    terminator, and uses \l{implicit sharing} (copy-on-write) to
+    reduce memory usage and avoid needless copying of data.
+
+    In addition to QByteArray, Qt also provides the QString class to
+    store string data. For most purposes, QString is the class you
+    want to use. It stores 16-bit Unicode characters, making it easy
+    to store non-ASCII/non-Latin-1 characters in your application.
+    Furthermore, QString is used throughout in the Qt API. The two
+    main cases where QByteArray is appropriate are when you need to
+    store raw binary data, and when memory conservation is critical
+    (e.g., with Qt for Embedded Linux).
+
+    One way to initialize a QByteArray is simply to pass a \c{const
+    char *} to its constructor. For example, the following code
+    creates a byte array of size 5 containing the data "Hello":
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 0
+
+    Although the size() is 5, the byte array also maintains an extra
+    '\\0' character at the end so that if a function is used that
+    asks for a pointer to the underlying data (e.g. a call to
+    data()), the data pointed to is guaranteed to be
+    '\\0'-terminated.
+
+    QByteArray makes a deep copy of the \c{const char *} data, so you
+    can modify it later without experiencing side effects. (If for
+    performance reasons you don't want to take a deep copy of the
+    character data, use QByteArray::fromRawData() instead.)
+
+    Another approach is to set the size of the array using resize()
+    and to initialize the data byte per byte. QByteArray uses 0-based
+    indexes, just like C++ arrays. To access the byte at a particular
+    index position, you can use operator[](). On non-const byte
+    arrays, operator[]() returns a reference to a byte that can be
+    used on the left side of an assignment. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 1
+
+    For read-only access, an alternative syntax is to use at():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 2
+
+    at() can be faster than operator[](), because it never causes a
+    \l{deep copy} to occur.
+
+    To extract many bytes at a time, use left(), right(), or mid().
+
+    A QByteArray can embed '\\0' bytes. The size() function always
+    returns the size of the whole array, including embedded '\\0'
+    bytes. If you want to obtain the length of the data up to and
+    excluding the first '\\0' character, call qstrlen() on the byte
+    array.
+
+    After a call to resize(), newly allocated bytes have undefined
+    values. To set all the bytes to a particular value, call fill().
+
+    To obtain a pointer to the actual character data, call data() or
+    constData(). These functions return a pointer to the beginning of
+    the data. The pointer is guaranteed to remain valid until a
+    non-const function is called on the QByteArray. It is also
+    guaranteed that the data ends with a '\\0' byte. This '\\0' byte
+    is automatically provided by QByteArray and is not counted in
+    size().
+
+    QByteArray provides the following basic functions for modifying
+    the byte data: append(), prepend(), insert(), replace(), and
+    remove(). For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 3
+
+    The replace() and remove() functions' first two arguments are the
+    position from which to start erasing and the number of bytes that
+    should be erased.
+
+    When you append() data to a non-empty array, the array will be
+    reallocated and the new data copied to it. You can avoid this
+    behavior by calling reserve(), which preallocates a certain amount
+    of memory. You can also call capacity() to find out how much
+    memory QByteArray actually allocated. Data appended to an empty
+    array is not copied.
+
+    A frequent requirement is to remove whitespace characters from a
+    byte array ('\\n', '\\t', ' ', etc.). If you want to remove
+    whitespace from both ends of a QByteArray, use trimmed(). If you
+    want to remove whitespace from both ends and replace multiple
+    consecutive whitespaces with a single space character within the
+    byte array, use simplified().
+
+    If you want to find all occurrences of a particular character or
+    substring in a QByteArray, use indexOf() or lastIndexOf(). The
+    former searches forward starting from a given index position, the
+    latter searches backward. Both return the index position of the
+    character or substring if they find it; otherwise, they return -1.
+    For example, here's a typical loop that finds all occurrences of a
+    particular substring:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 4
+
+    If you simply want to check whether a QByteArray contains a
+    particular character or substring, use contains(). If you want to
+    find out how many times a particular character or substring
+    occurs in the byte array, use count(). If you want to replace all
+    occurrences of a particular value with another, use one of the
+    two-parameter replace() overloads.
+
+    QByteArrays can be compared using overloaded operators such as
+    operator<(), operator<=(), operator==(), operator>=(), and so on.
+    The comparison is based exclusively on the numeric values
+    of the characters and is very fast, but is not what a human would
+    expect. QString::localeAwareCompare() is a better choice for
+    sorting user-interface strings.
+
+    For historical reasons, QByteArray distinguishes between a null
+    byte array and an empty byte array. A \e null byte array is a
+    byte array that is initialized using QByteArray's default
+    constructor or by passing (const char *)0 to the constructor. An
+    \e empty byte array is any byte array with size 0. A null byte
+    array is always empty, but an empty byte array isn't necessarily
+    null:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 5
+
+    All functions except isNull() treat null byte arrays the same as
+    empty byte arrays. For example, data() returns a pointer to a
+    '\\0' character for a null byte array (\e not a null pointer),
+    and QByteArray() compares equal to QByteArray(""). We recommend
+    that you always use isEmpty() and avoid isNull().
+
+    \section1 Notes on Locale
+
+    \section2 Number-String Conversions
+
+    Functions that perform conversions between numeric data types and
+    strings are performed in the C locale, irrespective of the user's
+    locale settings. Use QString to perform locale-aware conversions
+    between numbers and strings.
+
+    \section2 8-bit Character Comparisons
+
+    In QByteArray, the notion of uppercase and lowercase and of which
+    character is greater than or less than another character is
+    locale dependent. This affects functions that support a case
+    insensitive option or that compare or lowercase or uppercase
+    their arguments. Case insensitive operations and comparisons will
+    be accurate if both strings contain only ASCII characters. (If \c
+    $LC_CTYPE is set, most Unix systems do "the right thing".)
+    Functions that this affects include contains(), indexOf(),
+    lastIndexOf(), operator<(), operator<=(), operator>(),
+    operator>=(), toLower() and toUpper().
+
+    This issue does not apply to QStrings since they represent
+    characters using Unicode.
+
+    \sa QString, QBitArray
+*/
+
+/*! \fn QByteArray::iterator QByteArray::begin()
+
+    \internal
+*/
+
+/*! \fn QByteArray::const_iterator QByteArray::begin() const
+
+    \internal
+*/
+
+/*! \fn QByteArray::const_iterator QByteArray::constBegin() const
+
+    \internal
+*/
+
+/*! \fn QByteArray::iterator QByteArray::end()
+
+    \internal
+*/
+
+/*! \fn QByteArray::const_iterator QByteArray::end() const
+
+    \internal
+*/
+
+/*! \fn QByteArray::const_iterator QByteArray::constEnd() const
+
+    \internal
+*/
+
+/*! \fn void QByteArray::push_back(const QByteArray &other)
+
+    This function is provided for STL compatibility. It is equivalent
+    to append(\a other).
+*/
+
+/*! \fn void QByteArray::push_back(const char *str)
+
+    \overload
+
+    Same as append(\a str).
+*/
+
+/*! \fn void QByteArray::push_back(char ch)
+
+    \overload
+
+    Same as append(\a ch).
+*/
+
+/*! \fn void QByteArray::push_front(const QByteArray &other)
+
+    This function is provided for STL compatibility. It is equivalent
+    to prepend(\a other).
+*/
+
+/*! \fn void QByteArray::push_front(const char *str)
+
+    \overload
+
+    Same as prepend(\a str).
+*/
+
+/*! \fn void QByteArray::push_front(char ch)
+
+    \overload
+
+    Same as prepend(\a ch).
+*/
+
+/*! \fn QByteArray::QByteArray(const QByteArray &other)
+
+    Constructs a copy of \a other.
+
+    This operation takes \l{constant time}, because QByteArray is
+    \l{implicitly shared}. This makes returning a QByteArray from a
+    function very fast. If a shared instance is modified, it will be
+    copied (copy-on-write), and that takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*! \fn QByteArray::~QByteArray()
+    Destroys the byte array.
+*/
+
+/*!
+    Assigns \a other to this byte array and returns a reference to
+    this byte array.
+*/
+QByteArray &QByteArray::operator=(const QByteArray & other)
+{
+    other.d->ref.ref();
+    if (!d->ref.deref())
+        qFree(d);
+    d = other.d;
+    return *this;
+}
+
+
+/*!
+    \overload
+
+    Assigns \a str to this byte array.
+*/
+
+QByteArray &QByteArray::operator=(const char *str)
+{
+    Data *x;
+    if (!str) {
+        x = &shared_null;
+    } else if (!*str) {
+        x = &shared_empty;
+    } else {
+        int len = qstrlen(str);
+        if (d->ref != 1 || len > d->alloc || (len < d->size && len < d->alloc >> 1))
+            realloc(len);
+        x = d;
+        memcpy(x->data, str, len + 1); // include null terminator
+        x->size = len;
+    }
+    x->ref.ref();
+    if (!d->ref.deref())
+         qFree(d);
+    d = x;
+    return *this;
+}
+
+/*! \fn int QByteArray::size() const
+
+    Returns the number of bytes in this byte array.
+
+    The last byte in the byte array is at position size() - 1. In
+    addition, QByteArray ensures that the byte at position size() is
+    always '\\0', so that you can use the return value of data() and
+    constData() as arguments to functions that expect
+    '\\0'-terminated strings.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 6
+
+    \sa isEmpty(), resize()
+*/
+
+/*! \fn bool QByteArray::isEmpty() const
+
+    Returns true if the byte array has size 0; otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 7
+
+    \sa size()
+*/
+
+/*! \fn int QByteArray::capacity() const
+
+    Returns the maximum number of bytes that can be stored in the
+    byte array without forcing a reallocation.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QByteArray's memory usage. In general, you will rarely
+    ever need to call this function. If you want to know how many
+    bytes are in the byte array, call size().
+
+    \sa reserve(), squeeze()
+*/
+
+/*! \fn void QByteArray::reserve(int size)
+
+    Attempts to allocate memory for at least \a size bytes. If you
+    know in advance how large the byte array will be, you can call
+    this function, and if you call resize() often you are likely to
+    get better performance. If \a size is an underestimate, the worst
+    that will happen is that the QByteArray will be a bit slower.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QByteArray's memory usage. In general, you will rarely
+    ever need to call this function. If you want to change the size
+    of the byte array, call resize().
+
+    \sa squeeze(), capacity()
+*/
+
+/*! \fn void QByteArray::squeeze()
+
+    Releases any memory not required to store the array's data.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QByteArray's memory usage. In general, you will rarely
+    ever need to call this function.
+
+    \sa reserve(), capacity()
+*/
+
+/*! \fn QByteArray::operator const char *() const
+    \fn QByteArray::operator const void *() const
+
+    Returns a pointer to the data stored in the byte array. The
+    pointer can be used to access the bytes that compose the array.
+    The data is '\\0'-terminated. The pointer remains valid as long
+    as the array isn't reallocated or destroyed.
+
+    This operator is mostly useful to pass a byte array to a function
+    that accepts a \c{const char *}.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_BYTEARRAY when you compile your applications.
+
+    Note: A QByteArray can store any byte values including '\\0's,
+    but most functions that take \c{char *} arguments assume that the
+    data ends at the first '\\0' they encounter.
+
+    \sa constData()
+*/
+
+/*!
+  \macro QT_NO_CAST_FROM_BYTEARRAY
+  \relates QByteArray
+
+  Disables automatic conversions from QByteArray to
+  const char * or const void *.
+
+  \sa QT_NO_CAST_TO_ASCII, QT_NO_CAST_FROM_ASCII
+*/
+
+/*! \fn char *QByteArray::data()
+
+    Returns a pointer to the data stored in the byte array. The
+    pointer can be used to access and modify the bytes that compose
+    the array. The data is '\\0'-terminated.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 8
+
+    The pointer remains valid as long as the byte array isn't
+    reallocated or destroyed. For read-only access, constData() is
+    faster because it never causes a \l{deep copy} to occur.
+
+    This function is mostly useful to pass a byte array to a function
+    that accepts a \c{const char *}.
+
+    Note: A QByteArray can store any byte values including '\\0's,
+    but most functions that take \c{char *} arguments assume that the
+    data ends at the first '\\0' they encounter.
+
+    \sa constData(), operator[]()
+*/
+
+/*! \fn const char *QByteArray::data() const
+
+    \overload
+*/
+
+/*! \fn const char *QByteArray::constData() const
+
+    Returns a pointer to the data stored in the byte array. The
+    pointer can be used to access the bytes that compose the array.
+    The data is '\\0'-terminated. The pointer remains valid as long
+    as the byte array isn't reallocated or destroyed.
+
+    This function is mostly useful to pass a byte array to a function
+    that accepts a \c{const char *}.
+
+    Note: A QByteArray can store any byte values including '\\0's,
+    but most functions that take \c{char *} arguments assume that the
+    data ends at the first '\\0' they encounter.
+
+    \sa data(), operator[]()
+*/
+
+/*! \fn void QByteArray::detach()
+
+    \internal
+*/
+
+/*! \fn bool QByteArray::isDetached() const
+
+    \internal
+*/
+
+/*! \fn char QByteArray::at(int i) const
+
+    Returns the character at index position \a i in the byte array.
+
+    \a i must be a valid index position in the byte array (i.e., 0 <=
+    \a i < size()).
+
+    \sa operator[]()
+*/
+
+/*! \fn QByteRef QByteArray::operator[](int i)
+
+    Returns the byte at index position \a i as a modifiable reference.
+
+    If an assignment is made beyond the end of the byte array, the
+    array is extended with resize() before the assignment takes
+    place.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 9
+
+    The return value is of type QByteRef, a helper class for
+    QByteArray. When you get an object of type QByteRef, you can use
+    it as if it were a char &. If you assign to it, the assignment
+    will apply to the character in the QByteArray from which you got
+    the reference.
+
+    \sa at()
+*/
+
+/*! \fn char QByteArray::operator[](int i) const
+
+    \overload
+
+    Same as at(\a i).
+*/
+
+/*! \fn QByteRef QByteArray::operator[](uint i)
+
+    \overload
+*/
+
+/*! \fn char QByteArray::operator[](uint i) const
+
+    \overload
+*/
+
+/*! \fn QBool QByteArray::contains(const QByteArray &ba) const
+
+    Returns true if the byte array contains an occurrence of the byte
+    array \a ba; otherwise returns false.
+
+    \sa indexOf(), count()
+*/
+
+/*! \fn QBool QByteArray::contains(const char *str) const
+
+    \overload
+
+    Returns true if the byte array contains the string \a str;
+    otherwise returns false.
+*/
+
+/*! \fn QBool QByteArray::contains(char ch) const
+
+    \overload
+
+    Returns true if the byte array contains the character \a ch;
+    otherwise returns false.
+*/
+
+/*!
+
+    Truncates the byte array at index position \a pos.
+
+    If \a pos is beyond the end of the array, nothing happens.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 10
+
+    \sa chop(), resize(), left()
+*/
+void QByteArray::truncate(int pos)
+{
+    if (pos < d->size)
+        resize(pos);
+}
+
+/*!
+
+    Removes \a n bytes from the end of the byte array.
+
+    If \a n is greater than size(), the result is an empty byte
+    array.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 11
+
+    \sa truncate(), resize(), left()
+*/
+
+void QByteArray::chop(int n)
+{
+    if (n > 0)
+        resize(d->size - n);
+}
+
+
+/*! \fn QByteArray &QByteArray::operator+=(const QByteArray &ba)
+
+    Appends the byte array \a ba onto the end of this byte array and
+    returns a reference to this byte array.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 12
+
+    This operation is typically very fast (\l{constant time}),
+    because QByteArray preallocates extra space at the end of the
+    character data so it can grow without reallocating the entire
+    data each time.
+
+    \sa append(), prepend()
+*/
+
+/*! \fn QByteArray &QByteArray::operator+=(const QString &str)
+
+    \overload
+
+    Appends the string \a str onto the end of this byte array and
+    returns a reference to this byte array. The Unicode data is
+    converted into 8-bit characters using QString::toAscii().
+
+    If the QString contains non-ASCII Unicode characters, using this
+    operator can lead to loss of information. You can disable this
+    operator by defining \c QT_NO_CAST_TO_ASCII when you compile your
+    applications. You then need to call QString::toAscii() (or
+    QString::toLatin1() or QString::toUtf8() or QString::toLocal8Bit())
+    explicitly if you want to convert the data to \c{const char *}.
+*/
+
+/*! \fn QByteArray &QByteArray::operator+=(const char *str)
+
+    \overload
+
+    Appends the string \a str onto the end of this byte array and
+    returns a reference to this byte array.
+*/
+
+/*! \fn QByteArray &QByteArray::operator+=(char ch)
+
+    \overload
+
+    Appends the character \a ch onto the end of this byte array and
+    returns a reference to this byte array.
+*/
+
+/*! \fn int QByteArray::length() const
+
+    Same as size().
+*/
+
+/*! \fn bool QByteArray::isNull() const
+
+    Returns true if this byte array is null; otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 13
+
+    Qt makes a distinction between null byte arrays and empty byte
+    arrays for historical reasons. For most applications, what
+    matters is whether or not a byte array contains any data,
+    and this can be determined using isEmpty().
+
+    \sa isEmpty()
+*/
+
+/*! \fn QByteArray::QByteArray()
+
+    Constructs an empty byte array.
+
+    \sa isEmpty()
+*/
+
+/*! \fn QByteArray::QByteArray(const char *str)
+
+    Constructs a byte array initialized with the string \a str.
+
+    QByteArray makes a deep copy of the string data.
+*/
+
+QByteArray::QByteArray(const char *str)
+{
+    if (!str) {
+        d = &shared_null;
+    } else if (!*str) {
+        d = &shared_empty;
+    } else {
+        int len = qstrlen(str);
+        d = static_cast<Data *>(qMalloc(sizeof(Data)+len));
+        if (!d) {
+            d = &shared_null;
+        } else {
+            d->ref = 0;;
+            d->alloc = d->size = len;
+            d->data = d->array;
+            memcpy(d->array, str, len+1); // include null terminator
+        }
+    }
+    d->ref.ref();
+}
+
+/*!
+    Constructs a byte array containing the first \a size bytes of
+    array \a data.
+
+    If \a data is 0, a null byte array is constructed.
+
+    QByteArray makes a deep copy of the string data.
+
+    \sa fromRawData()
+*/
+
+QByteArray::QByteArray(const char *data, int size)
+{
+    if (!data) {
+        d = &shared_null;
+    } else if (size <= 0) {
+        d = &shared_empty;
+    } else {
+        d = static_cast<Data *>(qMalloc(sizeof(Data) + size));
+        if (!d) {
+            d = &shared_null;
+        } else {
+            d->ref = 0;
+            d->alloc = d->size = size;
+            d->data = d->array;
+            memcpy(d->array, data, size);
+            d->array[size] = '\0';
+        }
+    }
+    d->ref.ref();
+}
+
+/*!
+    Constructs a byte array of size \a size with every byte set to
+    character \a ch.
+
+    \sa fill()
+*/
+
+QByteArray::QByteArray(int size, char ch)
+{
+    if (size <= 0) {
+        d = &shared_null;
+    } else {
+        d = static_cast<Data *>(qMalloc(sizeof(Data)+size));
+        if (!d) {
+            d = &shared_null;
+        } else {
+            d->ref = 0;
+            d->alloc = d->size = size;
+            d->data = d->array;
+            d->array[size] = '\0';
+            memset(d->array, ch, size);
+        }
+    }
+    d->ref.ref();
+}
+
+/*!
+    Sets the size of the byte array to \a size bytes.
+
+    If \a size is greater than the current size, the byte array is
+    extended to make it \a size bytes with the extra bytes added to
+    the end. The new bytes are uninitialized.
+
+    If \a size is less than the current size, bytes are removed from
+    the end.
+
+    \sa size()
+*/
+
+void QByteArray::resize(int size)
+{
+    if (size <= 0) {
+        Data *x = &shared_empty;
+        x->ref.ref();
+        if (!d->ref.deref())
+            qFree(d);
+        d = x;
+    } else if (d == &shared_null) {
+        //
+        // Optimize the idiom:
+        //    QByteArray a;
+        //    a.resize(sz);
+        //    ...
+        // which is used in place of the Qt 3 idiom:
+        //    QByteArray a(sz);
+        //
+        Data *x = static_cast<Data *>(qMalloc(sizeof(Data)+size));
+        if (!x)
+            return;
+        x->ref = 1;
+        x->alloc = x->size = size;
+        x->data = x->array;
+        x->array[size] = '\0';
+        (void) d->ref.deref(); // cannot be 0, x points to shared_null
+        d = x;
+    } else {
+        if (d->ref != 1 || size > d->alloc || (size < d->size && size < d->alloc >> 1))
+            realloc(qAllocMore(size, sizeof(Data)));
+        if (d->alloc >= size) {
+            d->size = size;
+            if (d->data == d->array) {
+                d->array[size] = '\0';
+            }
+        }
+    }
+}
+
+/*!
+    Sets every byte in the byte array to character \a ch. If \a size
+    is different from -1 (the default), the byte array is resized to
+    size \a size beforehand.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 14
+
+    \sa resize()
+*/
+
+QByteArray &QByteArray::fill(char ch, int size)
+{
+    resize(size < 0 ? d->size : size);
+    if (d->size)
+        memset(d->data, ch, d->size);
+    return *this;
+}
+
+void QByteArray::realloc(int alloc)
+{
+    if (d->ref != 1 || d->data != d->array) {
+        Data *x = static_cast<Data *>(qMalloc(sizeof(Data) + alloc));
+        if (!x)
+            return;
+        x->size = qMin(alloc, d->size);
+        ::memcpy(x->array, d->data, x->size);
+        x->array[x->size] = '\0';
+        x->ref = 1;
+        x->alloc = alloc;
+        x->data = x->array;
+        if (!d->ref.deref())
+            qFree(d);
+        d = x;
+    } else {
+        Data *x = static_cast<Data *>(qRealloc(d, sizeof(Data) + alloc));
+        if (!x)
+            return;
+        x->alloc = alloc;
+        x->data = x->array;
+        d = x;
+    }
+}
+
+void QByteArray::expand(int i)
+{
+    resize(qMax(i + 1, d->size));
+}
+
+/*!
+   \internal
+   Return a QByteArray that is sure to be NUL-terminated.
+
+   By default, all QByteArray have an extra NUL at the end,
+   guaranteeing that assumption. However, if QByteArray::fromRawData
+   is used, then the NUL is there only if the user put it there. We
+   can't be sure.
+*/
+QByteArray QByteArray::nulTerminated() const
+{
+    // is this fromRawData?
+    if (d->data == d->array)
+        return *this;           // no, then we're sure we're zero terminated
+
+    QByteArray copy(*this);
+    copy.detach();
+    return copy;
+}
+
+/*!
+    Prepends the byte array \a ba to this byte array and returns a
+    reference to this byte array.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 15
+
+    This is the same as insert(0, \a ba).
+
+    Note: QByteArray is an \l{implicitly shared} class. Consequently,
+    if \e this is an empty QByteArray, then \e this will just share
+    the data held in \a ba. In this case, no copying of data is done.
+
+    \sa append(), insert()
+*/
+
+QByteArray &QByteArray::prepend(const QByteArray &ba)
+{
+    if ((d == &shared_null || d == &shared_empty) && !IS_RAW_DATA(ba.d)) {
+        *this = ba;
+    } else if (ba.d != &shared_null) {
+        QByteArray tmp = *this;
+        *this = ba;
+        append(tmp);
+    }
+    return *this;
+}
+
+/*!
+    \overload
+
+    Prepends the string \a str to this byte array.
+*/
+
+QByteArray &QByteArray::prepend(const char *str)
+{
+    if (str) {
+        int len = qstrlen(str);
+        if (d->ref != 1 || d->size + len > d->alloc)
+            realloc(qAllocMore(d->size + len, sizeof(Data)));
+        memmove(d->data+len, d->data, d->size);
+        memcpy(d->data, str, len);
+        d->size += len;
+        d->data[d->size] = '\0';
+    }
+    return *this;
+}
+
+/*!
+    \overload
+
+    Prepends the character \a ch to this byte array.
+*/
+
+QByteArray &QByteArray::prepend(char ch)
+{
+    if (d->ref != 1 || d->size + 1 > d->alloc)
+        realloc(qAllocMore(d->size + 1, sizeof(Data)));
+    memmove(d->data+1, d->data, d->size);
+    d->data[0] = ch;
+    ++d->size;
+    d->data[d->size] = '\0';
+    return *this;
+}
+
+/*!
+    Appends the byte array \a ba onto the end of this byte array.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 16
+
+    This is the same as insert(size(), \a ba).
+
+    This operation is typically very fast (\l{constant time}),
+    because QByteArray preallocates extra space at the end of the
+    character data so it can grow without reallocating the entire
+    data each time.
+
+    Note: QByteArray is an \l{implicitly shared} class. Consequently,
+    if \e this is an empty QByteArray, then \e this will just share
+    the data held in \a ba. In this case, no copying of data is done.
+
+    \sa operator+=(), prepend(), insert()
+*/
+
+QByteArray &QByteArray::append(const QByteArray &ba)
+{
+    if ((d == &shared_null || d == &shared_empty) && !IS_RAW_DATA(ba.d)) {
+        *this = ba;
+    } else if (ba.d != &shared_null) {
+        if (d->ref != 1 || d->size + ba.d->size > d->alloc)
+            realloc(qAllocMore(d->size + ba.d->size, sizeof(Data)));
+        memcpy(d->data + d->size, ba.d->data, ba.d->size);
+        d->size += ba.d->size;
+        d->data[d->size] = '\0';
+    }
+    return *this;
+}
+
+/*! \fn QByteArray &QByteArray::append(const QString &str)
+
+    \overload
+
+    Appends the string \a str to this byte array. The Unicode data is
+    converted into 8-bit characters using QString::toAscii().
+
+    If the QString contains non-ASCII Unicode characters, using this
+    function can lead to loss of information. You can disable this
+    function by defining \c QT_NO_CAST_TO_ASCII when you compile your
+    applications. You then need to call QString::toAscii() (or
+    QString::toLatin1() or QString::toUtf8() or QString::toLocal8Bit())
+    explicitly if you want to convert the data to \c{const char *}.
+*/
+
+/*!
+    \overload
+
+    Appends the string \a str to this byte array.
+*/
+
+QByteArray& QByteArray::append(const char *str)
+{
+    if (str) {
+        int len = qstrlen(str);
+        if (d->ref != 1 || d->size + len > d->alloc)
+            realloc(qAllocMore(d->size + len, sizeof(Data)));
+        memcpy(d->data + d->size, str, len + 1); // include null terminator
+        d->size += len;
+    }
+    return *this;
+}
+
+/*!
+    \overload append()
+
+    Appends the first \a len characters of the string \a str to this byte
+    array and returns a reference to this byte array.
+
+    If \a len is negative, the length of the string will be determined
+    automatically using qstrlen(). If \a len is zero or the length of the
+    string is zero, nothing will be appended to the byte array.
+*/
+
+QByteArray &QByteArray::append(const char *str, int len)
+{
+    if (len < 0)
+        len = qstrlen(str);
+    if (str && len) {
+        if (d->ref != 1 || d->size + len > d->alloc)
+            realloc(qAllocMore(d->size + len, sizeof(Data)));
+        memcpy(d->data + d->size, str, len); // include null terminator
+        d->size += len;
+        d->data[d->size] = '\0';
+    }
+    return *this;
+}
+
+/*!
+    \overload
+
+    Appends the character \a ch to this byte array.
+*/
+
+QByteArray& QByteArray::append(char ch)
+{
+    if (d->ref != 1 || d->size + 1 > d->alloc)
+        realloc(qAllocMore(d->size + 1, sizeof(Data)));
+    d->data[d->size++] = ch;
+    d->data[d->size] = '\0';
+    return *this;
+}
+
+/*!
+  \internal
+  Inserts \a len bytes from the array \a arr at position \a pos and returns a
+  reference the modified byte array.
+*/
+static inline QByteArray &qbytearray_insert(QByteArray *ba,
+                                            int pos, const char *arr, int len)
+{
+    Q_ASSERT(pos >= 0);
+
+    if (pos < 0 || len <= 0 || arr == 0)
+        return *ba;
+
+    int oldsize = ba->size();
+    ba->resize(qMax(pos, oldsize) + len);
+    char *dst = ba->data();
+    if (pos > oldsize)
+        ::memset(dst + oldsize, 0x20, pos - oldsize);
+    else
+        ::memmove(dst + pos + len, dst + pos, oldsize - pos);
+    memcpy(dst + pos, arr, len);
+    return *ba;
+}
+
+/*!
+    Inserts the byte array \a ba at index position \a i and returns a
+    reference to this byte array.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 17
+
+    \sa append(), prepend(), replace(), remove()
+*/
+
+QByteArray &QByteArray::insert(int i, const QByteArray &ba)
+{
+    QByteArray copy(ba);
+    return qbytearray_insert(this, i, copy.d->data, copy.d->size);
+}
+
+/*!
+    \fn QByteArray &QByteArray::insert(int i, const QString &str)
+
+    \overload
+
+    Inserts the string \a str at index position \a i in the byte
+    array. The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    If \a i is greater than size(), the array is first extended using
+    resize().
+
+    If the QString contains non-ASCII Unicode characters, using this
+    function can lead to loss of information. You can disable this
+    function by defining \c QT_NO_CAST_TO_ASCII when you compile your
+    applications. You then need to call QString::toAscii() (or
+    QString::toLatin1() or QString::toUtf8() or QString::toLocal8Bit())
+    explicitly if you want to convert the data to \c{const char *}.
+*/
+
+/*!
+    \overload
+
+    Inserts the string \a str at position \a i in the byte array.
+
+    If \a i is greater than size(), the array is first extended using
+    resize().
+*/
+
+QByteArray &QByteArray::insert(int i, const char *str)
+{
+    return qbytearray_insert(this, i, str, qstrlen(str));
+}
+
+/*!
+    \overload
+
+    Inserts character \a ch at index position \a i in the byte array.
+    If \a i is greater than size(), the array is first extended using
+    resize().
+*/
+
+QByteArray &QByteArray::insert(int i, char ch)
+{
+    return qbytearray_insert(this, i, &ch, 1);
+}
+
+/*!
+    Removes \a len bytes from the array, starting at index position \a
+    pos, and returns a reference to the array.
+
+    If \a pos is out of range, nothing happens. If \a pos is valid,
+    but \a pos + \a len is larger than the size of the array, the
+    array is truncated at position \a pos.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 18
+
+    \sa insert(), replace()
+*/
+
+QByteArray &QByteArray::remove(int pos, int len)
+{
+    if (len <= 0  || pos >= d->size || pos < 0)
+        return *this;
+    detach();
+    if (pos + len >= d->size) {
+        resize(pos);
+    } else {
+        memmove(d->data + pos, d->data + pos + len, d->size - pos - len);
+        resize(d->size - len);
+    }
+    return *this;
+}
+
+/*!
+    Replaces \a len bytes from index position \a pos with the byte
+    array \a after, and returns a reference to this byte array.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 19
+
+    \sa insert(), remove()
+*/
+
+QByteArray &QByteArray::replace(int pos, int len, const QByteArray &after)
+{
+    if (len == after.d->size && (pos + len <= d->size)) {
+        detach();
+        memmove(d->data + pos, after.d->data, len*sizeof(char));
+        return *this;
+    } else {
+        QByteArray copy(after);
+        // ### optimise me
+        remove(pos, len);
+        return insert(pos, copy);
+    }
+}
+
+/*! \fn QByteArray &QByteArray::replace(int pos, int len, const char *after)
+
+    \overload
+*/
+QByteArray &QByteArray::replace(int pos, int len, const char *after)
+{
+    int alen = qstrlen(after);
+    if (len == alen && (pos + len <= d->size)) {
+        detach();
+        memcpy(d->data + pos, after, len*sizeof(char));
+        return *this;
+    } else {
+        remove(pos, len);
+        return qbytearray_insert(this, pos, after, alen);
+    }
+}
+
+// ### optimise all other replace method, by offering
+// QByteArray::replace(const char *before, int blen, const char *after, int alen)
+
+/*!
+    \overload
+
+    Replaces every occurrence of the byte array \a before with the
+    byte array \a after.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 20
+*/
+
+QByteArray &QByteArray::replace(const QByteArray &before, const QByteArray &after)
+{
+    if (isNull() || before.d == after.d)
+        return *this;
+
+    QByteArray aft = after;
+    if (after.d == d)
+        aft.detach();
+    
+    return replace(before.constData(), before.size(), aft.constData(), aft.size());
+}
+
+/*!
+    \fn QByteArray &QByteArray::replace(const char *before, const QByteArray &after)
+    \overload
+
+    Replaces every occurrence of the string \a before with the
+    byte array \a after.
+*/
+
+QByteArray &QByteArray::replace(const char *c, const QByteArray &after)
+{
+    QByteArray aft = after;
+    if (after.d == d)
+        aft.detach();
+    
+    return replace(c, qstrlen(c), aft.constData(), aft.size());
+}
+
+/*!
+    \fn QByteArray &QByteArray::replace(const char *before, int bsize, const char *after, int asize)
+    \overload
+
+    Replaces every occurrence of the string \a before with the string \a after.
+    Since the sizes of the strings are given by \a bsize and \a asize, they
+    may contain zero characters and do not need to be zero-terminated.
+*/
+
+QByteArray &QByteArray::replace(const char *before, int bsize, const char *after, int asize)
+{
+    if (isNull() || (before == after && bsize == asize))
+        return *this;
+
+    // protect against before or after being part of this
+    const char *a = after;
+    const char *b = before;
+    if (after >= d->data && after < d->data + d->size) {
+        char *copy = (char *)malloc(asize);
+        memcpy(copy, after, asize);
+        a = copy;
+    }
+    if (before >= d->data && before < d->data + d->size) {
+        char *copy = (char *)malloc(bsize);
+        memcpy(copy, before, bsize);
+        b = copy;
+    }
+    
+    QByteArrayMatcher matcher(before, bsize);
+    int index = 0;
+    int len = d->size;
+    char *d = data();
+
+    if (bsize == asize) {
+        if (bsize) {
+            while ((index = matcher.indexIn(*this, index)) != -1) {
+                memcpy(d + index, after, asize);
+                index += bsize;
+            }
+        }
+    } else if (asize < bsize) {
+        uint to = 0;
+        uint movestart = 0;
+        uint num = 0;
+        while ((index = matcher.indexIn(*this, index)) != -1) {
+            if (num) {
+                int msize = index - movestart;
+                if (msize > 0) {
+                    memmove(d + to, d + movestart, msize);
+                    to += msize;
+                }
+            } else {
+                to = index;
+            }
+            if (asize) {
+                memcpy(d + to, after, asize);
+                to += asize;
+            }
+            index += bsize;
+            movestart = index;
+            num++;
+        }
+        if (num) {
+            int msize = len - movestart;
+            if (msize > 0)
+                memmove(d + to, d + movestart, msize);
+            resize(len - num*(bsize-asize));
+        }
+    } else {
+        // the most complex case. We don't want to lose performance by doing repeated
+        // copies and reallocs of the string.
+        while (index != -1) {
+            uint indices[4096];
+            uint pos = 0;
+            while(pos < 4095) {
+                index = matcher.indexIn(*this, index);
+                if (index == -1)
+                    break;
+                indices[pos++] = index;
+                index += bsize;
+                // avoid infinite loop
+                if (!bsize)
+                    index++;
+            }
+            if (!pos)
+                break;
+
+            // we have a table of replacement positions, use them for fast replacing
+            int adjust = pos*(asize-bsize);
+            // index has to be adjusted in case we get back into the loop above.
+            if (index != -1)
+                index += adjust;
+            int newlen = len + adjust;
+            int moveend = len;
+            if (newlen > len) {
+                resize(newlen);
+                len = newlen;
+            }
+            d = this->d->data;
+
+            while(pos) {
+                pos--;
+                int movestart = indices[pos] + bsize;
+                int insertstart = indices[pos] + pos*(asize-bsize);
+                int moveto = insertstart + asize;
+                memmove(d + moveto, d + movestart, (moveend - movestart));
+                if (asize)
+                    memcpy(d + insertstart, after, asize);
+                moveend = movestart - bsize;
+            }
+        }
+    }
+
+    if (a != after)
+        ::free((char *)a);
+    if (b != before)
+        ::free((char *)b);
+    
+    
+    return *this;
+}
+
+
+/*!
+    \fn QByteArray &QByteArray::replace(const QByteArray &before, const char *after)
+    \overload
+
+    Replaces every occurrence of the byte array \a before with the
+    string \a after.
+*/
+
+/*! \fn QByteArray &QByteArray::replace(const QString &before, const QByteArray &after)
+
+    \overload
+
+    Replaces every occurrence of the string \a before with the byte
+    array \a after. The Unicode data is converted into 8-bit
+    characters using QString::toAscii().
+
+    If the QString contains non-ASCII Unicode characters, using this
+    function can lead to loss of information. You can disable this
+    function by defining \c QT_NO_CAST_TO_ASCII when you compile your
+    applications. You then need to call QString::toAscii() (or
+    QString::toLatin1() or QString::toUtf8() or QString::toLocal8Bit())
+    explicitly if you want to convert the data to \c{const char *}.
+*/
+
+/*! \fn QByteArray &QByteArray::replace(const QString &before, const char *after)
+    \overload
+
+    Replaces every occurrence of the string \a before with the string
+    \a after.
+*/
+
+/*! \fn QByteArray &QByteArray::replace(const char *before, const char *after)
+
+    \overload
+
+    Replaces every occurrence of the string \a before with the string
+    \a after.
+*/
+
+/*!
+    \overload
+
+    Replaces every occurrence of the character \a before with the
+    byte array \a after.
+*/
+
+QByteArray &QByteArray::replace(char before, const QByteArray &after)
+{
+    char b[2] = { before, '\0' };
+    QByteArray cb = fromRawData(b, 1);
+    return replace(cb, after);
+}
+
+/*! \fn QByteArray &QByteArray::replace(char before, const QString &after)
+
+    \overload
+
+    Replaces every occurrence of the character \a before with the
+    string \a after. The Unicode data is converted into 8-bit
+    characters using QString::toAscii().
+
+    If the QString contains non-ASCII Unicode characters, using this
+    function can lead to loss of information. You can disable this
+    function by defining \c QT_NO_CAST_TO_ASCII when you compile your
+    applications. You then need to call QString::toAscii() (or
+    QString::toLatin1() or QString::toUtf8() or QString::toLocal8Bit())
+    explicitly if you want to convert the data to \c{const char *}.
+*/
+
+/*! \fn QByteArray &QByteArray::replace(char before, const char *after)
+
+    \overload
+
+    Replaces every occurrence of the character \a before with the
+    string \a after.
+*/
+
+/*!
+    \overload
+
+    Replaces every occurrence of the character \a before with the
+    character \a after.
+*/
+
+QByteArray &QByteArray::replace(char before, char after)
+{
+    if (d->size) {
+        char *i = data();
+        char *e = i + d->size;
+        for (; i != e; ++i)
+            if (*i == before)
+                * i = after;
+    }
+    return *this;
+}
+
+/*!
+    Splits the byte array into subarrays wherever \a sep occurs, and
+    returns the list of those arrays. If \a sep does not match
+    anywhere in the byte array, split() returns a single-element list
+    containing this byte array.
+*/
+
+QList<QByteArray> QByteArray::split(char sep) const
+{
+    QList<QByteArray> list;
+    int start = 0;
+    int end;
+    while ((end = indexOf(sep, start)) != -1) {
+        list.append(mid(start, end - start));
+        start = end + 1;
+    }
+    list.append(mid(start));
+    return list;
+}
+
+/*!
+    \since 4.5
+
+    Returns a copy of this byte array repeated the specified number of \a times.
+
+    If \a times is less than 1, an empty byte array is returned.
+
+    Example:
+
+    \code
+        QByteArray ba("ab");
+        ba.repeated(4);             // returns "abababab"
+    \endcode
+*/
+QByteArray QByteArray::repeated(int times) const
+{
+    if (d->size == 0)
+        return *this;
+
+    if (times <= 1) {
+        if (times == 1)
+            return *this;
+        return QByteArray();
+    }
+
+    const int resultSize = times * d->size;
+
+    QByteArray result;
+    result.reserve(resultSize);
+    if (result.d->alloc != resultSize)
+        return QByteArray(); // not enough memory
+
+    qMemCopy(result.d->data, d->data, d->size);
+
+    int sizeSoFar = d->size;
+    char *end = result.d->data + sizeSoFar;
+
+    const int halfResultSize = resultSize >> 1;
+    while (sizeSoFar <= halfResultSize) {
+        qMemCopy(end, result.d->data, sizeSoFar);
+        end += sizeSoFar;
+        sizeSoFar <<= 1;
+    }
+    qMemCopy(end, result.d->data, resultSize - sizeSoFar);
+    result.d->data[resultSize] = '\0';
+    result.d->size = resultSize;
+    return result;
+}
+
+#define REHASH(a) \
+    if (ol_minus_1 < sizeof(uint) * CHAR_BIT) \
+        hashHaystack -= (a) << ol_minus_1; \
+    hashHaystack <<= 1
+
+/*!
+    Returns the index position of the first occurrence of the byte
+    array \a ba in this byte array, searching forward from index
+    position \a from. Returns -1 if \a ba could not be found.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 21
+
+    \sa lastIndexOf(), contains(), count()
+*/
+
+int QByteArray::indexOf(const QByteArray &ba, int from) const
+{
+    const int ol = ba.d->size;
+    if (ol == 0)
+        return from;
+    if (ol == 1)
+        return indexOf(*ba.d->data, from);
+
+    const int l = d->size;
+    if (from > d->size || ol + from > l)
+        return -1;
+
+    return qFindByteArray(d->data, d->size, from, ba.d->data, ol);
+}
+
+/*! \fn int QByteArray::indexOf(const QString &str, int from) const
+
+    \overload
+
+    Returns the index position of the first occurrence of the string
+    \a str in the byte array, searching forward from index position
+    \a from. Returns -1 if \a str could not be found.
+
+    The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    If the QString contains non-ASCII Unicode characters, using this
+    function can lead to loss of information. You can disable this
+    function by defining \c QT_NO_CAST_TO_ASCII when you compile your
+    applications. You then need to call QString::toAscii() (or
+    QString::toLatin1() or QString::toUtf8() or QString::toLocal8Bit())
+    explicitly if you want to convert the data to \c{const char *}.
+*/
+
+/*! \fn int QByteArray::indexOf(const char *str, int from) const
+
+    \overload
+
+    Returns the index position of the first occurrence of the string
+    \a str in the byte array, searching forward from index position \a
+    from. Returns -1 if \a str could not be found.
+*/
+int QByteArray::indexOf(const char *c, int from) const
+{
+    const int ol = qstrlen(c);
+    if (ol == 1)
+        return indexOf(*c, from);
+    
+    const int l = d->size;
+    if (from > d->size || ol + from > l)
+        return -1;
+    if (ol == 0)
+        return from;
+
+    return qFindByteArray(d->data, d->size, from, c, ol);
+}
+
+/*!
+    \overload
+
+    Returns the index position of the first occurrence of the
+    character \a ch in the byte array, searching forward from index
+    position \a from. Returns -1 if \a ch could not be found.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 22
+
+    \sa lastIndexOf(), contains()
+*/
+
+int QByteArray::indexOf(char ch, int from) const
+{
+    if (from < 0)
+        from = qMax(from + d->size, 0);
+    if (from < d->size) {
+        const char *n = d->data + from - 1;
+        const char *e = d->data + d->size;
+        while (++n != e)
+        if (*n == ch)
+            return  n - d->data;
+    }
+    return -1;
+}
+
+
+static int lastIndexOfHelper(const char *haystack, int l, const char *needle, int ol, int from)
+{
+    int delta = l - ol;
+    if (from < 0)
+        from = delta;
+    if (from < 0 || from > l)
+        return -1;
+    if (from > delta)
+        from = delta;
+
+    const char *end = haystack;
+    haystack += from;
+    const uint ol_minus_1 = ol - 1;
+    const char *n = needle + ol_minus_1;
+    const char *h = haystack + ol_minus_1;
+    uint hashNeedle = 0, hashHaystack = 0;
+    int idx;
+    for (idx = 0; idx < ol; ++idx) {
+        hashNeedle = ((hashNeedle<<1) + *(n-idx));
+        hashHaystack = ((hashHaystack<<1) + *(h-idx));
+    }
+    hashHaystack -= *haystack;
+    while (haystack >= end) {
+        hashHaystack += *haystack;
+        if (hashHaystack == hashNeedle && memcmp(needle, haystack, ol) == 0)
+            return haystack - end;
+        --haystack;
+        REHASH(*(haystack + ol));
+    }
+    return -1;
+
+}
+
+/*!
+    \fn int QByteArray::lastIndexOf(const QByteArray &ba, int from) const
+
+    Returns the index position of the last occurrence of the byte
+    array \a ba in this byte array, searching backward from index
+    position \a from. If \a from is -1 (the default), the search
+    starts at the last byte. Returns -1 if \a ba could not be found.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 23
+
+    \sa indexOf(), contains(), count()
+*/
+
+int QByteArray::lastIndexOf(const QByteArray &ba, int from) const
+{
+    const int ol = ba.d->size;
+    if (ol == 1)
+        return lastIndexOf(*ba.d->data, from);
+
+    return lastIndexOfHelper(d->data, d->size, ba.d->data, ol, from);
+}
+
+/*! \fn int QByteArray::lastIndexOf(const QString &str, int from) const
+
+    \overload
+
+    Returns the index position of the last occurrence of the string \a
+    str in the byte array, searching backward from index position \a
+    from. If \a from is -1 (the default), the search starts at the
+    last (size() - 1) byte. Returns -1 if \a str could not be found.
+
+    The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    If the QString contains non-ASCII Unicode characters, using this
+    function can lead to loss of information. You can disable this
+    function by defining \c QT_NO_CAST_TO_ASCII when you compile your
+    applications. You then need to call QString::toAscii() (or
+    QString::toLatin1() or QString::toUtf8() or QString::toLocal8Bit())
+    explicitly if you want to convert the data to \c{const char *}.
+*/
+
+/*! \fn int QByteArray::lastIndexOf(const char *str, int from) const
+    \overload
+
+    Returns the index position of the last occurrence of the string \a
+    str in the byte array, searching backward from index position \a
+    from. If \a from is -1 (the default), the search starts at the
+    last (size() - 1) byte. Returns -1 if \a str could not be found.
+*/
+int QByteArray::lastIndexOf(const char *str, int from) const
+{
+    const int ol = qstrlen(str);
+    if (ol == 1)
+        return lastIndexOf(*str, from);
+
+    return lastIndexOfHelper(d->data, d->size, str, ol, from);
+}
+
+/*!
+    \overload
+
+    Returns the index position of the last occurrence of character \a
+    ch in the byte array, searching backward from index position \a
+    from. If \a from is -1 (the default), the search starts at the
+    last (size() - 1) byte. Returns -1 if \a ch could not be found.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 24
+
+    \sa indexOf(), contains()
+*/
+
+int QByteArray::lastIndexOf(char ch, int from) const
+{
+    if (from < 0)
+        from += d->size;
+    else if (from > d->size)
+        from = d->size-1;
+    if (from >= 0) {
+        const char *b = d->data;
+        const char *n = d->data + from + 1;
+        while (n-- != b)
+            if (*n == ch)
+                return  n - b;
+    }
+    return -1;
+}
+
+/*!
+    Returns the number of (potentially overlapping) occurrences of
+    byte array \a ba in this byte array.
+
+    \sa contains(), indexOf()
+*/
+
+int QByteArray::count(const QByteArray &ba) const
+{
+    int num = 0;
+    int i = -1;
+    if (d->size > 500 && ba.d->size > 5) {
+        QByteArrayMatcher matcher(ba);
+        while ((i = matcher.indexIn(*this, i + 1)) != -1)
+            ++num;
+    } else {
+        while ((i = indexOf(ba, i + 1)) != -1)
+            ++num;
+    }
+    return num;
+}
+
+/*!
+    \overload
+
+    Returns the number of (potentially overlapping) occurrences of
+    string \a str in the byte array.
+*/
+
+int QByteArray::count(const char *str) const
+{
+    return count(fromRawData(str, qstrlen(str)));
+}
+
+/*!
+    \overload
+
+    Returns the number of occurrences of character \a ch in the byte
+    array.
+
+    \sa contains(), indexOf()
+*/
+
+int QByteArray::count(char ch) const
+{
+    int num = 0;
+    const char *i = d->data + d->size;
+    const char *b = d->data;
+    while (i != b)
+        if (*--i == ch)
+            ++num;
+    return num;
+}
+
+/*! \fn int QByteArray::count() const
+
+    \overload
+
+    Same as size().
+*/
+
+/*!
+    Returns true if this byte array starts with byte array \a ba;
+    otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 25
+
+    \sa endsWith(), left()
+*/
+bool QByteArray::startsWith(const QByteArray &ba) const
+{
+    if (d == ba.d || ba.d->size == 0)
+        return true;
+    if (d->size < ba.d->size)
+        return false;
+    return memcmp(d->data, ba.d->data, ba.d->size) == 0;
+}
+
+/*! \overload
+
+    Returns true if this byte array starts with string \a str;
+    otherwise returns false.
+*/
+bool QByteArray::startsWith(const char *str) const
+{
+    if (!str || !*str)
+        return true;
+    int len = qstrlen(str);
+    if (d->size < len)
+        return false;
+    return qstrncmp(d->data, str, len) == 0;
+}
+
+/*! \overload
+
+    Returns true if this byte array starts with character \a ch;
+    otherwise returns false.
+*/
+bool QByteArray::startsWith(char ch) const
+{
+    if (d->size == 0)
+        return false;
+    return d->data[0] == ch;
+}
+
+/*!
+    Returns true if this byte array ends with byte array \a ba;
+    otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 26
+
+    \sa startsWith(), right()
+*/
+bool QByteArray::endsWith(const QByteArray &ba) const
+{
+    if (d == ba.d || ba.d->size == 0)
+        return true;
+    if (d->size < ba.d->size)
+        return false;
+    return memcmp(d->data + d->size - ba.d->size, ba.d->data, ba.d->size) == 0;
+}
+
+/*! \overload
+
+    Returns true if this byte array ends with string \a str; otherwise
+    returns false.
+*/
+bool QByteArray::endsWith(const char *str) const
+{
+    if (!str || !*str)
+        return true;
+    int len = qstrlen(str);
+    if (d->size < len)
+        return false;
+    return qstrncmp(d->data + d->size - len, str, len) == 0;
+}
+
+/*! \overload
+
+    Returns true if this byte array ends with character \a ch;
+    otherwise returns false.
+*/
+bool QByteArray::endsWith(char ch) const
+{
+    if (d->size == 0)
+        return false;
+    return d->data[d->size - 1] == ch;
+}
+
+/*!
+    Returns a byte array that contains the leftmost \a len bytes of
+    this byte array.
+
+    The entire byte array is returned if \a len is greater than
+    size().
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 27
+
+    \sa right(), mid(), startsWith(), truncate()
+*/
+
+QByteArray QByteArray::left(int len)  const
+{
+    if (len >= d->size)
+        return *this;
+    if (len < 0)
+        len = 0;
+    return QByteArray(d->data, len);
+}
+
+/*!
+    Returns a byte array that contains the rightmost \a len bytes of
+    this byte array.
+
+    The entire byte array is returned if \a len is greater than
+    size().
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 28
+
+    \sa endsWith(), left(), mid()
+*/
+
+QByteArray QByteArray::right(int len) const
+{
+    if (len >= d->size)
+        return *this;
+    if (len < 0)
+        len = 0;
+    return QByteArray(d->data + d->size - len, len);
+}
+
+/*!
+    Returns a byte array containing \a len bytes from this byte array,
+    starting at position \a pos.
+
+    If \a len is -1 (the default), or \a pos + \a len >= size(),
+    returns a byte array containing all bytes starting at position \a
+    pos until the end of the byte array.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 29
+
+    \sa left(), right()
+*/
+
+QByteArray QByteArray::mid(int pos, int len) const
+{
+    if (d == &shared_null || d == &shared_empty || pos >= d->size)
+        return QByteArray();
+    if (len < 0)
+        len = d->size - pos;
+    if (pos < 0) {
+        len += pos;
+        pos = 0;
+    }
+    if (len + pos > d->size)
+        len = d->size - pos;
+    if (pos == 0 && len == d->size)
+        return *this;
+    return QByteArray(d->data + pos, len);
+}
+
+/*!
+    Returns a lowercase copy of the byte array. The bytearray is
+    interpreted as a Latin-1 encoded string.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 30
+
+    \sa toUpper(), {8-bit Character Comparisons}
+*/
+QByteArray QByteArray::toLower() const
+{
+    QByteArray s(*this);
+    register uchar *p = reinterpret_cast<uchar *>(s.data());
+    if (p) {
+        while (*p) {
+            *p = QChar::toLower((ushort)*p);
+            p++;
+        }
+    }
+    return s;
+}
+
+/*!
+    Returns an uppercase copy of the byte array. The bytearray is
+    interpreted as a Latin-1 encoded string.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 31
+
+    \sa toLower(), {8-bit Character Comparisons}
+*/
+
+QByteArray QByteArray::toUpper() const
+{
+    QByteArray s(*this);
+    register uchar *p = reinterpret_cast<uchar *>(s.data());
+    if (p) {
+        while (*p) {
+            *p = QChar::toUpper((ushort)*p);
+            p++;
+        }
+    }
+    return s;
+}
+
+/*! \fn void QByteArray::clear()
+
+    Clears the contents of the byte array and makes it empty.
+
+    \sa resize(), isEmpty()
+*/
+
+void QByteArray::clear()
+{
+    if (!d->ref.deref())
+        qFree(d);
+    d = &shared_null;
+    d->ref.ref();
+}
+
+/*! \relates QByteArray
+
+    Writes byte array \a ba to the stream \a out and returns a reference
+    to the stream.
+
+    \sa {Format of the QDataStream operators}
+*/
+#ifndef QT_NO_DATASTREAM
+
+QDataStream &operator<<(QDataStream &out, const QByteArray &ba)
+{
+    if (ba.isNull() && out.version() >= 6) {
+        out << (quint32)0xffffffff;
+        return out;
+    }
+    return out.writeBytes(ba, ba.size());
+}
+
+/*! \relates QByteArray
+
+    Reads a byte array into \a ba from the stream \a in and returns a
+    reference to the stream.
+
+    \sa {Format of the QDataStream operators}
+*/
+
+QDataStream &operator>>(QDataStream &in, QByteArray &ba)
+{
+    ba.clear();
+    quint32 len;
+    in >> len;
+    if (len == 0xffffffff)
+        return in;
+
+    const quint32 Step = 1024 * 1024;
+    quint32 allocated = 0;
+
+    do {
+        int blockSize = qMin(Step, len - allocated);
+        ba.resize(allocated + blockSize);
+        if (in.readRawData(ba.data() + allocated, blockSize) != blockSize) {
+            ba.clear();
+            in.setStatus(QDataStream::ReadPastEnd);
+            return in;
+        }
+        allocated += blockSize;
+    } while (allocated < len);
+
+    return in;
+}
+#endif //QT_NO_DATASTREAM
+
+/*! \fn bool QByteArray::operator==(const QString &str) const
+
+    Returns true if this byte array is equal to string \a str;
+    otherwise returns false.
+
+    The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    The comparison is case sensitive.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. You
+    then need to call QString::fromAscii(), QString::fromLatin1(),
+    QString::fromUtf8(), or QString::fromLocal8Bit() explicitly if
+    you want to convert the byte array to a QString before doing the
+    comparison.
+*/
+
+/*! \fn bool QByteArray::operator!=(const QString &str) const
+
+    Returns true if this byte array is not equal to string \a str;
+    otherwise returns false.
+
+    The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    The comparison is case sensitive.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. You
+    then need to call QString::fromAscii(), QString::fromLatin1(),
+    QString::fromUtf8(), or QString::fromLocal8Bit() explicitly if
+    you want to convert the byte array to a QString before doing the
+    comparison.
+*/
+
+/*! \fn bool QByteArray::operator<(const QString &str) const
+
+    Returns true if this byte array is lexically less than string \a
+    str; otherwise returns false.
+
+    The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    The comparison is case sensitive.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. You
+    then need to call QString::fromAscii(), QString::fromLatin1(),
+    QString::fromUtf8(), or QString::fromLocal8Bit() explicitly if
+    you want to convert the byte array to a QString before doing the
+    comparison.
+*/
+
+/*! \fn bool QByteArray::operator>(const QString &str) const
+
+    Returns true if this byte array is lexically greater than string
+    \a str; otherwise returns false.
+
+    The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    The comparison is case sensitive.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. You
+    then need to call QString::fromAscii(), QString::fromLatin1(),
+    QString::fromUtf8(), or QString::fromLocal8Bit() explicitly if
+    you want to convert the byte array to a QString before doing the
+    comparison.
+*/
+
+/*! \fn bool QByteArray::operator<=(const QString &str) const
+
+    Returns true if this byte array is lexically less than or equal
+    to string \a str; otherwise returns false.
+
+    The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    The comparison is case sensitive.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. You
+    then need to call QString::fromAscii(), QString::fromLatin1(),
+    QString::fromUtf8(), or QString::fromLocal8Bit() explicitly if
+    you want to convert the byte array to a QString before doing the
+    comparison.
+*/
+
+/*! \fn bool QByteArray::operator>=(const QString &str) const
+
+    Returns true if this byte array is greater than or equal to string
+    \a str; otherwise returns false.
+
+    The Unicode data is converted into 8-bit characters using
+    QString::toAscii().
+
+    The comparison is case sensitive.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. You
+    then need to call QString::fromAscii(), QString::fromLatin1(),
+    QString::fromUtf8(), or QString::fromLocal8Bit() explicitly if
+    you want to convert the byte array to a QString before doing the
+    comparison.
+*/
+
+/*! \fn bool operator==(const QByteArray &a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is equal to byte array \a a2;
+    otherwise returns false.
+*/
+
+/*! \fn bool operator==(const QByteArray &a1, const char *a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is equal to string \a a2;
+    otherwise returns false.
+*/
+
+/*! \fn bool operator==(const char *a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if string \a a1 is equal to byte array \a a2;
+    otherwise returns false.
+*/
+
+/*! \fn bool operator!=(const QByteArray &a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is not equal to byte array \a a2;
+    otherwise returns false.
+*/
+
+/*! \fn bool operator!=(const QByteArray &a1, const char *a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is not equal to string \a a2;
+    otherwise returns false.
+*/
+
+/*! \fn bool operator!=(const char *a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if string \a a1 is not equal to byte array \a a2;
+    otherwise returns false.
+*/
+
+/*! \fn bool operator<(const QByteArray &a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is lexically less than byte array
+    \a a2; otherwise returns false.
+*/
+
+/*! \fn inline bool operator<(const QByteArray &a1, const char *a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is lexically less than string
+    \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator<(const char *a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if string \a a1 is lexically less than byte array
+    \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator<=(const QByteArray &a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is lexically less than or equal
+    to byte array \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator<=(const QByteArray &a1, const char *a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is lexically less than or equal
+    to string \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator<=(const char *a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if string \a a1 is lexically less than or equal
+    to byte array \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator>(const QByteArray &a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is lexically greater than byte
+    array \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator>(const QByteArray &a1, const char *a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is lexically greater than string
+    \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator>(const char *a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if string \a a1 is lexically greater than byte array
+    \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator>=(const QByteArray &a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is lexically greater than or
+    equal to byte array \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator>=(const QByteArray &a1, const char *a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if byte array \a a1 is lexically greater than or
+    equal to string \a a2; otherwise returns false.
+*/
+
+/*! \fn bool operator>=(const char *a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns true if string \a a1 is lexically greater than or
+    equal to byte array \a a2; otherwise returns false.
+*/
+
+/*! \fn const QByteArray operator+(const QByteArray &a1, const QByteArray &a2)
+    \relates QByteArray
+
+    Returns a byte array that is the result of concatenating byte
+    array \a a1 and byte array \a a2.
+
+    \sa QByteArray::operator+=()
+*/
+
+/*! \fn const QByteArray operator+(const QByteArray &a1, const char *a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns a byte array that is the result of concatenating byte
+    array \a a1 and string \a a2.
+*/
+
+/*! \fn const QByteArray operator+(const QByteArray &a1, char a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns a byte array that is the result of concatenating byte
+    array \a a1 and character \a a2.
+*/
+
+/*! \fn const QByteArray operator+(const char *a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns a byte array that is the result of concatenating string
+    \a a1 and byte array \a a2.
+*/
+
+/*! \fn const QByteArray operator+(char a1, const QByteArray &a2)
+    \relates QByteArray
+
+    \overload
+
+    Returns a byte array that is the result of concatenating character
+    \a a1 and byte array \a a2.
+*/
+
+/*!
+    Returns a byte array that has whitespace removed from the start
+    and the end, and which has each sequence of internal whitespace
+    replaced with a single space.
+
+    Whitespace means any character for which the standard C++
+    isspace() function returns true. This includes the ASCII
+    characters '\\t', '\\n', '\\v', '\\f', '\\r', and ' '.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 32
+
+    \sa trimmed()
+*/
+QByteArray QByteArray::simplified() const
+{
+    if (d->size == 0)
+        return *this;
+    QByteArray result;
+    result.resize(d->size);
+    const char *from = d->data;
+    const char *fromend = from + d->size;
+    int outc=0;
+    char *to = result.d->data;
+    for (;;) {
+        while (from!=fromend && isspace(uchar(*from)))
+            from++;
+        while (from!=fromend && !isspace(uchar(*from)))
+            to[outc++] = *from++;
+        if (from!=fromend)
+            to[outc++] = ' ';
+        else
+            break;
+    }
+    if (outc > 0 && to[outc-1] == ' ')
+        outc--;
+    result.resize(outc);
+    return result;
+}
+
+/*!
+    Returns a byte array that has whitespace removed from the start
+    and the end.
+
+    Whitespace means any character for which the standard C++
+    isspace() function returns true. This includes the ASCII
+    characters '\\t', '\\n', '\\v', '\\f', '\\r', and ' '.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 33
+
+    Unlike simplified(), trimmed() leaves internal whitespace alone.
+
+    \sa simplified()
+*/
+QByteArray QByteArray::trimmed() const
+{
+    if (d->size == 0)
+        return *this;
+    const char *s = d->data;
+    if (!isspace(uchar(*s)) && !isspace(uchar(s[d->size-1])))
+        return *this;
+    int start = 0;
+    int end = d->size - 1;
+    while (start<=end && isspace(uchar(s[start])))  // skip white space from start
+        start++;
+    if (start <= end) {                          // only white space
+        while (end && isspace(uchar(s[end])))           // skip white space from end
+            end--;
+    }
+    int l = end - start + 1;
+    if (l <= 0) {
+        shared_empty.ref.ref();
+        return QByteArray(&shared_empty, 0, 0);
+    }
+    return QByteArray(s+start, l);
+}
+
+/*!
+    Returns a byte array of size \a width that contains this byte
+    array padded by the \a fill character.
+
+    If \a truncate is false and the size() of the byte array is more
+    than \a width, then the returned byte array is a copy of this byte
+    array.
+
+    If \a truncate is true and the size() of the byte array is more
+    than \a width, then any bytes in a copy of the byte array
+    after position \a width are removed, and the copy is returned.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 34
+
+    \sa rightJustified()
+*/
+
+QByteArray QByteArray::leftJustified(int width, char fill, bool truncate) const
+{
+    QByteArray result;
+    int len = d->size;
+    int padlen = width - len;
+    if (padlen > 0) {
+        result.resize(len+padlen);
+        if (len)
+            memcpy(result.d->data, d->data, len);
+        memset(result.d->data+len, fill, padlen);
+    } else {
+        if (truncate)
+            result = left(width);
+        else
+            result = *this;
+    }
+    return result;
+}
+
+/*!
+    Returns a byte array of size \a width that contains the \a fill
+    character followed by this byte array.
+
+    If \a truncate is false and the size of the byte array is more
+    than \a width, then the returned byte array is a copy of this byte
+    array.
+
+    If \a truncate is true and the size of the byte array is more
+    than \a width, then the resulting byte array is truncated at
+    position \a width.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 35
+
+    \sa leftJustified()
+*/
+
+QByteArray QByteArray::rightJustified(int width, char fill, bool truncate) const
+{
+    QByteArray result;
+    int len = d->size;
+    int padlen = width - len;
+    if (padlen > 0) {
+        result.resize(len+padlen);
+        if (len)
+            memcpy(result.d->data+padlen, data(), len);
+        memset(result.d->data, fill, padlen);
+    } else {
+        if (truncate)
+            result = left(width);
+        else
+            result = *this;
+    }
+    return result;
+}
+
+bool QByteArray::isNull() const { return d == &shared_null; }
+
+
+/*!
+    Returns the byte array converted to a \c {long long} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+
+    If \a base is 0, the base is determined automatically using the
+    following rules: If the byte array begins with "0x", it is assumed to
+    be hexadecimal; if it begins with "0", it is assumed to be octal;
+    otherwise it is assumed to be decimal.
+
+    Returns 0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+
+qlonglong QByteArray::toLongLong(bool *ok, int base) const
+{
+#if defined(QT_CHECK_RANGE)
+    if (base != 0 && (base < 2 || base > 36)) {
+        qWarning("QByteArray::toLongLong: Invalid base %d", base);
+        base = 10;
+    }
+#endif
+
+    return QLocalePrivate::bytearrayToLongLong(nulTerminated().constData(), base, ok);
+}
+
+/*!
+    Returns the byte array converted to an \c {unsigned long long}
+    using base \a base, which is 10 by default and must be between 2
+    and 36, or 0.
+
+    If \a base is 0, the base is determined automatically using the
+    following rules: If the byte array begins with "0x", it is assumed to
+    be hexadecimal; if it begins with "0", it is assumed to be octal;
+    otherwise it is assumed to be decimal.
+
+    Returns 0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+
+qulonglong QByteArray::toULongLong(bool *ok, int base) const
+{
+#if defined(QT_CHECK_RANGE)
+    if (base != 0 && (base < 2 || base > 36)) {
+        qWarning("QByteArray::toULongLong: Invalid base %d", base);
+        base = 10;
+    }
+#endif
+
+    return QLocalePrivate::bytearrayToUnsLongLong(nulTerminated().constData(), base, ok);
+}
+
+
+/*!
+    Returns the byte array converted to an \c int using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+
+    If \a base is 0, the base is determined automatically using the
+    following rules: If the byte array begins with "0x", it is assumed to
+    be hexadecimal; if it begins with "0", it is assumed to be octal;
+    otherwise it is assumed to be decimal.
+
+    Returns 0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 36
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+
+int QByteArray::toInt(bool *ok, int base) const
+{
+    qlonglong v = toLongLong(ok, base);
+    if (v < INT_MIN || v > INT_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return int(v);
+}
+
+/*!
+    Returns the byte array converted to an \c {unsigned int} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+
+    If \a base is 0, the base is determined automatically using the
+    following rules: If the byte array begins with "0x", it is assumed to
+    be hexadecimal; if it begins with "0", it is assumed to be octal;
+    otherwise it is assumed to be decimal.
+
+    Returns 0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+
+uint QByteArray::toUInt(bool *ok, int base) const
+{
+    qulonglong v = toULongLong(ok, base);
+    if (v > UINT_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return uint(v);
+}
+
+/*!
+    \since 4.1
+
+    Returns the byte array converted to a \c long int using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+
+    If \a base is 0, the base is determined automatically using the
+    following rules: If the byte array begins with "0x", it is assumed to
+    be hexadecimal; if it begins with "0", it is assumed to be octal;
+    otherwise it is assumed to be decimal.
+
+    Returns 0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 37
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+long QByteArray::toLong(bool *ok, int base) const
+{
+    qlonglong v = toLongLong(ok, base);
+    if (v < LONG_MIN || v > LONG_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return long(v);
+}
+
+/*!
+    \since 4.1
+
+    Returns the byte array converted to an \c {unsigned long int} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+
+    If \a base is 0, the base is determined automatically using the
+    following rules: If the byte array begins with "0x", it is assumed to
+    be hexadecimal; if it begins with "0", it is assumed to be octal;
+    otherwise it is assumed to be decimal.
+
+    Returns 0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+ulong QByteArray::toULong(bool *ok, int base) const
+{
+    qulonglong v = toULongLong(ok, base);
+    if (v > ULONG_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return ulong(v);
+}
+
+/*!
+    Returns the byte array converted to a \c short using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+
+    If \a base is 0, the base is determined automatically using the
+    following rules: If the byte array begins with "0x", it is assumed to
+    be hexadecimal; if it begins with "0", it is assumed to be octal;
+    otherwise it is assumed to be decimal.
+
+    Returns 0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+
+short QByteArray::toShort(bool *ok, int base) const
+{
+    qlonglong v = toLongLong(ok, base);
+    if (v < SHRT_MIN || v > SHRT_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return short(v);
+}
+
+/*!
+    Returns the byte array converted to an \c {unsigned short} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+
+    If \a base is 0, the base is determined automatically using the
+    following rules: If the byte array begins with "0x", it is assumed to
+    be hexadecimal; if it begins with "0", it is assumed to be octal;
+    otherwise it is assumed to be decimal.
+
+    Returns 0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+
+ushort QByteArray::toUShort(bool *ok, int base) const
+{
+    qulonglong v = toULongLong(ok, base);
+    if (v > USHRT_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return ushort(v);
+}
+
+
+/*!
+    Returns the byte array converted to a \c double value.
+
+    Returns 0.0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 38
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+
+double QByteArray::toDouble(bool *ok) const
+{
+    return QLocalePrivate::bytearrayToDouble(nulTerminated().constData(), ok);
+}
+
+/*!
+    Returns the byte array converted to a \c float value.
+
+    Returns 0.0 if the conversion fails.
+
+    If \a ok is not 0: if a conversion error occurs, *\a{ok} is set to
+    false; otherwise *\a{ok} is set to true.
+
+    \note The conversion of the number is performed in the default C locale,
+    irrespective of the user's locale.
+
+    \sa number()
+*/
+
+float QByteArray::toFloat(bool *ok) const
+{
+    return float(toDouble(ok));
+}
+
+/*!
+    Returns a copy of the byte array, encoded as Base64.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 39
+
+    The algorithm used to encode Base64-encoded data is defined in \l{RFC 2045}.
+
+    \sa fromBase64()
+*/
+QByteArray QByteArray::toBase64() const
+{
+    const char alphabet[] = "ABCDEFGH" "IJKLMNOP" "QRSTUVWX" "YZabcdef"
+		            "ghijklmn" "opqrstuv" "wxyz0123" "456789+/";
+    const char padchar = '=';
+    int padlen = 0;
+
+    QByteArray tmp;
+    tmp.resize(((d->size * 4) / 3) + 3);
+
+    int i = 0;
+    char *out = tmp.data();
+    while (i < d->size) {
+	int chunk = 0;
+	chunk |= int(uchar(d->data[i++])) << 16;
+	if (i == d->size) {
+	    padlen = 2;
+	} else {
+	    chunk |= int(uchar(d->data[i++])) << 8;
+	    if (i == d->size) padlen = 1;
+	    else chunk |= int(uchar(d->data[i++]));
+	}
+
+	int j = (chunk & 0x00fc0000) >> 18;
+	int k = (chunk & 0x0003f000) >> 12;
+	int l = (chunk & 0x00000fc0) >> 6;
+	int m = (chunk & 0x0000003f);
+	*out++ = alphabet[j];
+	*out++ = alphabet[k];
+	if (padlen > 1) *out++ = padchar;
+	else *out++ = alphabet[l];
+	if (padlen > 0) *out++ = padchar;
+	else *out++ = alphabet[m];
+    }
+
+    tmp.truncate(out - tmp.data());
+    return tmp;
+}
+
+/*! 
+    \fn QByteArray &QByteArray::setNum(int n, int base)
+
+    Sets the byte array to the printed value of \a n in base \a base (10
+    by default) and returns a reference to the byte array. The \a base can
+    be any value between 2 and 36.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 40
+
+    \note The format of the number is not localized; the default C locale
+    is used irrespective of the user's locale.
+
+    \sa number(), toInt()
+*/
+
+/*! 
+    \fn QByteArray &QByteArray::setNum(uint n, int base)
+    \overload
+
+    \sa toUInt()
+*/
+
+/*! 
+    \fn QByteArray &QByteArray::setNum(short n, int base)
+    \overload
+
+    \sa toShort()
+*/
+
+/*! 
+    \fn QByteArray &QByteArray::setNum(ushort n, int base)
+    \overload
+
+    \sa toUShort()
+*/
+
+/*!
+    \overload
+
+    \sa toLongLong()
+*/
+
+QByteArray &QByteArray::setNum(qlonglong n, int base)
+{
+#if defined(QT_CHECK_RANGE)
+    if (base < 2 || base > 36) {
+        qWarning("QByteArray::setNum: Invalid base %d", base);
+        base = 10;
+    }
+#endif
+    QLocale locale(QLocale::C);
+    *this = locale.d()->longLongToString(n, -1, base).toLatin1();
+    return *this;
+}
+
+/*!
+    \overload
+
+    \sa toULongLong()
+*/
+
+QByteArray &QByteArray::setNum(qulonglong n, int base)
+{
+#if defined(QT_CHECK_RANGE)
+    if (base < 2 || base > 36) {
+        qWarning("QByteArray::setNum: Invalid base %d", base);
+        base = 10;
+    }
+#endif
+    QLocale locale(QLocale::C);
+    *this = locale.d()->unsLongLongToString(n, -1, base).toLatin1();
+    return *this;
+}
+
+/*! 
+    \overload
+
+    Sets the byte array to the printed value of \a n, formatted in format
+    \a f with precision \a prec, and returns a reference to the
+    byte array.
+
+    The format \a f can be any of the following:
+
+    \table
+    \header \i Format \i Meaning
+    \row \i \c e \i format as [-]9.9e[+|-]999
+    \row \i \c E \i format as [-]9.9E[+|-]999
+    \row \i \c f \i format as [-]9.9
+    \row \i \c g \i use \c e or \c f format, whichever is the most concise
+    \row \i \c G \i use \c E or \c f format, whichever is the most concise
+    \endtable
+
+    With 'e', 'E', and 'f', \a prec is the number of digits after the
+    decimal point. With 'g' and 'G', \a prec is the maximum number of
+    significant digits (trailing zeroes are omitted).
+
+    \note The format of the number is not localized; the default C locale
+    is used irrespective of the user's locale.
+
+    \sa toDouble()
+*/
+
+QByteArray &QByteArray::setNum(double n, char f, int prec)
+{
+    QLocalePrivate::DoubleForm form = QLocalePrivate::DFDecimal;
+    uint flags = 0;
+
+    if (qIsUpper(f))
+        flags = QLocalePrivate::CapitalEorX;
+    f = qToLower(f);
+
+    switch (f) {
+        case 'f':
+            form = QLocalePrivate::DFDecimal;
+            break;
+        case 'e':
+            form = QLocalePrivate::DFExponent;
+            break;
+        case 'g':
+            form = QLocalePrivate::DFSignificantDigits;
+            break;
+        default:
+#if defined(QT_CHECK_RANGE)
+            qWarning("QByteArray::setNum: Invalid format char '%c'", f);
+#endif
+            break;
+    }
+
+    QLocale locale(QLocale::C);
+    *this = locale.d()->doubleToString(n, prec, form, -1, flags).toLatin1();
+    return *this;
+}
+
+/*! 
+    \fn QByteArray &QByteArray::setNum(float n, char f, int prec)
+    \overload
+
+    Sets the byte array to the printed value of \a n, formatted in format
+    \a f with precision \a prec, and returns a reference to the
+    byte array.
+
+    \note The format of the number is not localized; the default C locale
+    is used irrespective of the user's locale.
+
+    \sa toFloat()
+*/
+
+/*!
+    Returns a byte array containing the string equivalent of the
+    number \a n to base \a base (10 by default). The \a base can be
+    any value between 2 and 36.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 41
+
+    \note The format of the number is not localized; the default C locale
+    is used irrespective of the user's locale.
+
+    \sa setNum(), toInt()
+*/
+QByteArray QByteArray::number(int n, int base)
+{
+    QByteArray s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*!
+    \overload
+
+    \sa toUInt()
+*/
+QByteArray QByteArray::number(uint n, int base)
+{
+    QByteArray s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*!
+    \overload
+
+    \sa toLongLong()
+*/
+QByteArray QByteArray::number(qlonglong n, int base)
+{
+    QByteArray s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*!
+    \overload
+
+    \sa toULongLong()
+*/
+QByteArray QByteArray::number(qulonglong n, int base)
+{
+    QByteArray s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*! 
+    \overload
+
+    Returns a byte array that contains the printed value of \a n,
+    formatted in format \a f with precision \a prec.
+
+    Argument \a n is formatted according to the \a f format specified,
+    which is \c g by default, and can be any of the following:
+
+    \table
+    \header \i Format \i Meaning
+    \row \i \c e \i format as [-]9.9e[+|-]999
+    \row \i \c E \i format as [-]9.9E[+|-]999
+    \row \i \c f \i format as [-]9.9
+    \row \i \c g \i use \c e or \c f format, whichever is the most concise
+    \row \i \c G \i use \c E or \c f format, whichever is the most concise
+    \endtable
+
+    With 'e', 'E', and 'f', \a prec is the number of digits after the
+    decimal point. With 'g' and 'G', \a prec is the maximum number of
+    significant digits (trailing zeroes are omitted).
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 42
+
+    \note The format of the number is not localized; the default C locale
+    is used irrespective of the user's locale.
+
+    \sa toDouble()
+*/
+QByteArray QByteArray::number(double n, char f, int prec)
+{
+    QByteArray s;
+    s.setNum(n, f, prec);
+    return s;
+}
+
+/*!
+    Constructs a QByteArray that uses the first \a size bytes of the
+    \a data array. The bytes are \e not copied. The QByteArray will
+    contain the \a data pointer. The caller guarantees that \a data
+    will not be deleted or modified as long as this QByteArray and any
+    copies of it exist that have not been modified. In other words,
+    because QByteArray is an \l{implicitly shared} class and the
+    instance returned by this function contains the \a data pointer,
+    the caller must not delete \a data or modify it directly as long
+    as the returned QByteArray and any copies exist. However,
+    QByteArray does not take ownership of \a data, so the QByteArray
+    destructor will never delete the raw \a data, even when the
+    last QByteArray referring to \a data is destroyed.
+
+    A subsequent attempt to modify the contents of the returned
+    QByteArray or any copy made from it will cause it to create a deep
+    copy of the \a data array before doing the modification. This
+    ensures that the raw \a data array itself will never be modified
+    by QByteArray.
+
+    Here is an example of how to read data using a QDataStream on raw
+    data in memory without copying the raw data into a QByteArray:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 43
+
+    \warning A byte array created with fromRawData() is \e not
+    null-terminated, unless the raw data contains a 0 character at
+    position \a size. While that does not matter for QDataStream or
+    functions like indexOf(), passing the byte array to a function
+    accepting a \c{const char *} expected to be '\\0'-terminated will
+    fail.
+
+    \sa data(), constData()
+*/
+
+QByteArray QByteArray::fromRawData(const char *data, int size)
+{
+    Data *x = static_cast<Data *>(qMalloc(sizeof(Data)));
+    if (data) {
+        x->data = const_cast<char *>(data);
+    } else {
+        x->data = x->array;
+        size = 0;
+    }
+    x->ref = 1;
+    x->alloc = x->size = size;
+    *x->array = '\0';
+    return QByteArray(x, 0, 0);
+}
+
+/*!
+    Returns a decoded copy of the Base64 array \a base64. Input is not checked
+    for validity; invalid characters in the input are skipped, enabling the
+    decoding process to continue with subsequent characters.
+
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 44
+
+    The algorithm used to decode Base64-encoded data is defined in \l{RFC 2045}.
+
+    \sa toBase64()
+*/
+QByteArray QByteArray::fromBase64(const QByteArray &base64)
+{
+    unsigned int buf = 0;
+    int nbits = 0;
+    QByteArray tmp;
+    tmp.resize((base64.size() * 3) / 4);
+
+    int offset = 0;
+    for (int i = 0; i < base64.size(); ++i) {
+	int ch = base64.at(i);
+	int d;
+
+	if (ch >= 'A' && ch <= 'Z')
+	    d = ch - 'A';
+	else if (ch >= 'a' && ch <= 'z')
+	    d = ch - 'a' + 26;
+	else if (ch >= '0' && ch <= '9')
+	    d = ch - '0' + 52;
+	else if (ch == '+')
+	    d = 62;
+	else if (ch == '/')
+	    d = 63;
+	else
+	    d = -1;
+
+	if (d != -1) {
+	    buf = (buf << 6) | d;
+	    nbits += 6;
+	    if (nbits >= 8) {
+		nbits -= 8;
+		tmp[offset++] = buf >> nbits;
+		buf &= (1 << nbits) - 1;
+	    }
+	}
+    }
+
+    tmp.truncate(offset);
+    return tmp;
+}
+
+/*!
+    Returns a decoded copy of the hex encoded array \a hexEncoded. Input is not checked
+    for validity; invalid characters in the input are skipped, enabling the
+    decoding process to continue with subsequent characters.
+
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qbytearray.cpp 45
+
+    \sa toHex()
+*/
+QByteArray QByteArray::fromHex(const QByteArray &hexEncoded)
+{
+    QByteArray res;
+    res.resize((hexEncoded.size() + 1)/ 2);
+    uchar *result = (uchar *)res.data() + res.size();
+
+    bool odd_digit = true;
+    for (int i = hexEncoded.size() - 1; i >= 0; --i) {
+        int ch = hexEncoded.at(i);
+        int tmp;
+        if (ch >= '0' && ch <= '9')
+            tmp = ch - '0';
+        else if (ch >= 'a' && ch <= 'f')
+            tmp = ch - 'a' + 10;
+        else if (ch >= 'A' && ch <= 'F')
+            tmp = ch - 'A' + 10;
+        else
+            continue;
+        if (odd_digit) {
+            --result;
+            *result = tmp;
+            odd_digit = false;
+        } else {
+            *result |= tmp << 4;
+            odd_digit = true;
+        }
+    }
+
+    res.remove(0, result - (const uchar *)res.constData());
+    return res;
+}
+
+/*!
+    Returns a hex encoded copy of the byte array. The hex encoding uses the numbers 0-9 and
+    the letters a-f.
+
+    \sa fromHex()
+*/
+QByteArray QByteArray::toHex() const
+{
+    QByteArray hex;
+    hex.resize(d->size*2);
+    char *hexData = hex.data();
+    const uchar *data = (const uchar *)d->data;
+    for (int i = 0; i < d->size; ++i) {
+        int j = (data[i] >> 4) & 0xf;
+        if (j <= 9)
+            hexData[i*2] = (j + '0');
+         else
+            hexData[i*2] = (j + 'a' - 10);
+        j = data[i] & 0xf;
+        if (j <= 9)
+            hexData[i*2+1] = (j + '0');
+         else
+            hexData[i*2+1] = (j + 'a' - 10);
+    }
+    return hex;
+}
+
+static void q_fromPercentEncoding(QByteArray *ba, char percent)
+{
+    if (ba->isEmpty())
+        return;
+
+    char *data = ba->data();
+    const char *inputPtr = data;
+
+    int i = 0;
+    int len = ba->count();
+    int outlen = 0;
+    int a, b;
+    char c;
+    while (i < len) {
+        c = inputPtr[i];
+        if (c == percent && i + 2 < len) {
+            a = inputPtr[++i];
+            b = inputPtr[++i];
+
+            if (a >= '0' && a <= '9') a -= '0';
+            else if (a >= 'a' && a <= 'f') a = a - 'a' + 10;
+            else if (a >= 'A' && a <= 'F') a = a - 'A' + 10;
+
+            if (b >= '0' && b <= '9') b -= '0';
+            else if (b >= 'a' && b <= 'f') b  = b - 'a' + 10;
+            else if (b >= 'A' && b <= 'F') b  = b - 'A' + 10;
+
+            *data++ = (char)((a << 4) | b);
+        } else {
+            *data++ = c;
+        }
+
+        ++i;
+        ++outlen;
+    }
+
+    if (outlen != len)
+        ba->truncate(outlen);
+}
+
+void q_fromPercentEncoding(QByteArray *ba)
+{
+    q_fromPercentEncoding(ba, '%');
+}
+
+/*!
+    \since 4.4
+
+    Returns a decoded copy of the URI/URL-style percent-encoded \a input.
+    The \a percent parameter allows you to replace the '%' character for
+    another (for instance, '_' or '=').
+
+    For example:
+    \code
+        QByteArray text = QByteArray::fromPercentEncoding("Qt%20is%20great%33");
+        text.data();            // returns "Qt is great!"
+    \endcode
+
+    \sa toPercentEncoding(), QUrl::fromPercentEncoding()
+*/
+QByteArray QByteArray::fromPercentEncoding(const QByteArray &input, char percent)
+{
+    if (input.isNull())
+        return QByteArray();       // preserve null
+    if (input.isEmpty())
+        return QByteArray(input.data(), 0);
+
+    QByteArray tmp = input;
+    q_fromPercentEncoding(&tmp, percent);
+    return tmp;
+}
+
+static inline bool q_strchr(const char str[], char chr)
+{
+    if (!str) return false;
+
+    const char *ptr = str;
+    char c;
+    while ((c = *ptr++))
+        if (c == chr)
+            return true;
+    return false;
+}
+
+static inline char toHexHelper(char c)
+{
+    static const char hexnumbers[] = "0123456789ABCDEF";
+    return hexnumbers[c & 0xf];
+}
+
+static void q_toPercentEncoding(QByteArray *ba, const char *dontEncode, const char *alsoEncode, char percent)
+{
+    if (ba->isEmpty())
+        return;
+
+    QByteArray input = *ba;
+    int len = input.count();
+    const char *inputData = input.constData();
+    char *output = 0;
+    int length = 0;
+
+    for (int i = 0; i < len; ++i) {
+        unsigned char c = *inputData++;
+        if (((c >= 0x61 && c <= 0x7A) // ALPHA
+             || (c >= 0x41 && c <= 0x5A) // ALPHA
+             || (c >= 0x30 && c <= 0x39) // DIGIT
+             || c == 0x2D // -
+             || c == 0x2E // .
+             || c == 0x5F // _
+             || c == 0x7E // ~
+             || q_strchr(dontEncode, c))
+            && !q_strchr(alsoEncode, c)) {
+            if (output)
+                output[length] = c;
+            ++length;
+        } else {
+            if (!output) {
+                // detach now
+                ba->resize(len*3); // worst case
+                output = ba->data();
+            }
+            output[length++] = percent;
+            output[length++] = toHexHelper((c & 0xf0) >> 4);
+            output[length++] = toHexHelper(c & 0xf);
+        }
+    }
+    if (output)
+        ba->truncate(length);
+}
+
+void q_toPercentEncoding(QByteArray *ba, const char *exclude, const char *include)
+{
+    q_toPercentEncoding(ba, exclude, include, '%');
+}
+
+void q_normalizePercentEncoding(QByteArray *ba, const char *exclude)
+{
+    q_fromPercentEncoding(ba, '%');
+    q_toPercentEncoding(ba, exclude, 0, '%');
+}
+
+/*!
+    \since 4.4
+
+    Returns a URI/URL-style percent-encoded copy of this byte array. The
+    \a percent parameter allows you to override the default '%'
+    character for another.
+
+    By default, this function will encode all characters that are not
+    one of the following:
+
+        ALPHA ("a" to "z" and "A" to "Z") / DIGIT (0 to 9) / "-" / "." / "_" / "~"
+
+    To prevent characters from being encoded pass them to \a
+    exclude. To force characters to be encoded pass them to \a
+    include. The \a percent character is always encoded.
+
+    Example:
+
+    \code
+         QByteArray text = "{a fishy string?}";
+         QByteArray ba = text.toPercentEncoding("{}", "s");
+         qDebug(ba.constData());
+         // prints "{a fi%73hy %73tring%3F}"
+    \endcode
+
+    The hex encoding uses the numbers 0-9 and the uppercase letters A-F.
+
+    \sa fromPercentEncoding(), QUrl::toPercentEncoding()
+*/
+QByteArray QByteArray::toPercentEncoding(const QByteArray &exclude, const QByteArray &include,
+                                         char percent) const
+{
+    if (isNull())
+        return QByteArray();    // preserve null
+    if (isEmpty())
+        return QByteArray(data(), 0);
+
+    QByteArray include2 = include;
+    if (percent != '%')                        // the default
+        if ((percent >= 0x61 && percent <= 0x7A) // ALPHA
+            || (percent >= 0x41 && percent <= 0x5A) // ALPHA
+            || (percent >= 0x30 && percent <= 0x39) // DIGIT
+            || percent == 0x2D // -
+            || percent == 0x2E // .
+            || percent == 0x5F // _
+            || percent == 0x7E) // ~
+        include2 += percent;
+
+    QByteArray result = *this;
+    q_toPercentEncoding(&result, exclude.nulTerminated().constData(), include2.nulTerminated().constData(), percent);
+
+    return result;
+}
+
+/*! \typedef QByteArray::ConstIterator
+    \internal
+*/
+
+/*! \typedef QByteArray::Iterator
+    \internal
+*/
+
+/*! \typedef QByteArray::const_iterator
+    \internal
+*/
+
+/*! \typedef QByteArray::iterator
+    \internal
+*/
+
+/*! \typedef QByteArray::const_reference
+    \internal
+*/
+
+/*! \typedef QByteArray::reference
+    \internal
+*/
+
+/*!
+    \fn QByteArray::QByteArray(int size)
+
+    Use QByteArray(int, char) instead.
+*/
+
+
+/*!
+    \fn QByteArray QByteArray::leftJustify(uint width, char fill, bool truncate) const
+
+    Use leftJustified() instead.
+*/
+
+/*!
+    \fn QByteArray QByteArray::rightJustify(uint width, char fill, bool truncate) const
+
+    Use rightJustified() instead.
+*/
+
+/*!
+    \fn QByteArray& QByteArray::duplicate(const QByteArray& a)
+
+    \oldcode
+        QByteArray bdata;
+        bdata.duplicate(original);
+    \newcode
+        QByteArray bdata;
+        bdata = original;
+    \endcode
+
+    \note QByteArray uses implicit sharing so if you modify a copy, only the
+    copy is changed.
+*/
+
+/*!
+    \fn QByteArray& QByteArray::duplicate(const char *a, uint n)
+
+    \overload
+
+    \oldcode
+        QByteArray bdata;
+        bdata.duplicate(ptr, size);
+    \newcode
+        QByteArray bdata;
+        bdata = QByteArray(ptr, size);
+    \endcode
+
+    \note QByteArray uses implicit sharing so if you modify a copy, only the
+    copy is changed.
+*/
+
+/*!
+    \fn QByteArray& QByteArray::setRawData(const char *a, uint n)
+
+    Use fromRawData() instead.
+*/
+
+/*!
+    \fn void QByteArray::resetRawData(const char *data, uint n)
+
+    Use clear() instead.
+*/
+
+/*!
+    \fn QByteArray QByteArray::lower() const
+
+    Use toLower() instead.
+*/
+
+/*!
+    \fn QByteArray QByteArray::upper() const
+
+    Use toUpper() instead.
+*/
+
+/*!
+    \fn QByteArray QByteArray::stripWhiteSpace() const
+
+    Use trimmed() instead.
+*/
+
+/*!
+    \fn QByteArray QByteArray::simplifyWhiteSpace() const
+
+    Use simplified() instead.
+*/
+
+/*!
+    \fn int QByteArray::find(char c, int from = 0) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn int QByteArray::find(const char *c, int from = 0) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn int QByteArray::find(const QByteArray &ba, int from = 0) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn int QByteArray::findRev(char c, int from = -1) const
+
+    Use lastIndexOf() instead.
+*/
+
+/*!
+    \fn int QByteArray::findRev(const char *c, int from = -1) const
+
+    Use lastIndexOf() instead.
+*/
+
+/*!
+    \fn int QByteArray::findRev(const QByteArray &ba, int from = -1) const
+
+    Use lastIndexOf() instead.
+*/
+
+/*!
+    \fn int QByteArray::find(const QString &s, int from = 0) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn int QByteArray::findRev(const QString &s, int from = -1) const
+
+    Use lastIndexOf() instead.
+*/
+
+/*!
+    \fn DataPtr &QByteArray::data_ptr()
+    \internal
+*/
+
+/*!
+    \typedef QByteArray::DataPtr
+    \internal
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qbytearray.h b/src/corelib/tools/qbytearray.h
new file mode 100644
index 0000000000..f6422fbe52
--- /dev/null
+++ b/src/corelib/tools/qbytearray.h
@@ -0,0 +1,589 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBYTEARRAY_H
+#define QBYTEARRAY_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qatomic.h>
+
+#include <string.h>
+#include <stdarg.h>
+
+#ifdef truncate
+#error qbytearray.h must be included before any header file that defines truncate
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+/*****************************************************************************
+  Safe and portable C string functions; extensions to standard string.h
+ *****************************************************************************/
+
+Q_CORE_EXPORT char *qstrdup(const char *);
+
+inline uint qstrlen(const char *str)
+{ return str ? uint(strlen(str)) : 0; }
+
+inline uint qstrnlen(const char *str, uint maxlen)
+{
+    uint length = 0;
+    if (str) {
+        while (length < maxlen && *str++)
+            length++;
+    }
+    return length;
+}
+
+Q_CORE_EXPORT char *qstrcpy(char *dst, const char *src);
+Q_CORE_EXPORT char *qstrncpy(char *dst, const char *src, uint len);
+
+Q_CORE_EXPORT int qstrcmp(const char *str1, const char *str2);
+Q_CORE_EXPORT int qstrcmp(const QByteArray &str1, const QByteArray &str2);
+Q_CORE_EXPORT int qstrcmp(const QByteArray &str1, const char *str2);
+static inline int qstrcmp(const char *str1, const QByteArray &str2)
+{ return -qstrcmp(str2, str1); }
+
+inline int qstrncmp(const char *str1, const char *str2, uint len)
+{
+    return (str1 && str2) ? strncmp(str1, str2, len)
+        : (str1 ? 1 : (str2 ? -1 : 0));
+}
+Q_CORE_EXPORT int qstricmp(const char *, const char *);
+Q_CORE_EXPORT int qstrnicmp(const char *, const char *, uint len);
+
+// implemented in qvsnprintf.cpp
+Q_CORE_EXPORT int qvsnprintf(char *str, size_t n, const char *fmt, va_list ap);
+Q_CORE_EXPORT int qsnprintf(char *str, size_t n, const char *fmt, ...);
+
+#ifdef QT3_SUPPORT
+inline QT3_SUPPORT void *qmemmove(void *dst, const void *src, uint len)
+{ return memmove(dst, src, len); }
+inline QT3_SUPPORT uint cstrlen(const char *str)
+{ return uint(strlen(str)); }
+inline QT3_SUPPORT char *cstrcpy(char *dst, const char *src)
+{ return qstrcpy(dst,src); }
+inline QT3_SUPPORT int cstrcmp(const char *str1, const char *str2)
+{ return strcmp(str1,str2); }
+inline QT3_SUPPORT int cstrncmp(const char *str1, const char *str2, uint len)
+{ return strncmp(str1,str2,len); }
+#endif
+
+// qChecksum: Internet checksum
+
+Q_CORE_EXPORT quint16 qChecksum(const char *s, uint len);
+
+class QByteRef;
+class QString;
+class QDataStream;
+template <typename T> class QList;
+
+class Q_CORE_EXPORT QByteArray
+{
+public:
+    inline QByteArray();
+    QByteArray(const char *);
+    QByteArray(const char *, int size);
+    QByteArray(int size, char c);
+    inline QByteArray(const QByteArray &);
+    inline ~QByteArray();
+
+    QByteArray &operator=(const QByteArray &);
+    QByteArray &operator=(const char *str);
+
+    inline int size() const;
+    bool isEmpty() const;
+    void resize(int size);
+
+    QByteArray &fill(char c, int size = -1);
+
+    int capacity() const;
+    void reserve(int size);
+    void squeeze();
+
+#ifndef QT_NO_CAST_FROM_BYTEARRAY
+    operator const char *() const;
+    operator const void *() const;
+#endif
+    char *data();
+    const char *data() const;
+    inline const char *constData() const;
+    inline void detach();
+    bool isDetached() const;
+    void clear();
+
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+    const char at(int i) const;
+    const char operator[](int i) const;
+    const char operator[](uint i) const;
+#else
+    char at(int i) const;
+    char operator[](int i) const;
+    char operator[](uint i) const;
+#endif
+    QByteRef operator[](int i);
+    QByteRef operator[](uint i);
+
+    int indexOf(char c, int from = 0) const;
+    int indexOf(const char *c, int from = 0) const;
+    int indexOf(const QByteArray &a, int from = 0) const;
+    int lastIndexOf(char c, int from = -1) const;
+    int lastIndexOf(const char *c, int from = -1) const;
+    int lastIndexOf(const QByteArray &a, int from = -1) const;
+
+    QBool contains(char c) const;
+    QBool contains(const char *a) const;
+    QBool contains(const QByteArray &a) const;
+    int count(char c) const;
+    int count(const char *a) const;
+    int count(const QByteArray &a) const;
+
+    QByteArray left(int len) const;
+    QByteArray right(int len) const;
+    QByteArray mid(int index, int len = -1) const;
+
+    bool startsWith(const QByteArray &a) const;
+    bool startsWith(char c) const;
+    bool startsWith(const char *c) const;
+
+    bool endsWith(const QByteArray &a) const;
+    bool endsWith(char c) const;
+    bool endsWith(const char *c) const;
+
+    void truncate(int pos);
+    void chop(int n);
+
+    QByteArray toLower() const;
+    QByteArray toUpper() const;
+
+    QByteArray trimmed() const;
+    QByteArray simplified() const;
+    QByteArray leftJustified(int width, char fill = ' ', bool truncate = false) const;
+    QByteArray rightJustified(int width, char fill = ' ', bool truncate = false) const;
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT QByteArray leftJustify(uint width, char aFill = ' ', bool aTruncate = false) const
+    { return leftJustified(int(width), aFill, aTruncate); }
+    inline QT3_SUPPORT QByteArray rightJustify(uint width, char aFill = ' ', bool aTruncate = false) const
+    { return rightJustified(int(width), aFill, aTruncate); }
+#endif
+
+    QByteArray &prepend(char c);
+    QByteArray &prepend(const char *s);
+    QByteArray &prepend(const QByteArray &a);
+    QByteArray &append(char c);
+    QByteArray &append(const char *s);
+    QByteArray &append(const char *s, int len);
+    QByteArray &append(const QByteArray &a);
+    QByteArray &insert(int i, char c);
+    QByteArray &insert(int i, const char *s);
+    QByteArray &insert(int i, const QByteArray &a);
+    QByteArray &remove(int index, int len);
+    QByteArray &replace(int index, int len, const char *s);
+    QByteArray &replace(int index, int len, const QByteArray &s);
+    QByteArray &replace(char before, const char *after);
+    QByteArray &replace(char before, const QByteArray &after);
+    QByteArray &replace(const char *before, const char *after);
+    QByteArray &replace(const char *before, int bsize, const char *after, int asize);
+    QByteArray &replace(const QByteArray &before, const QByteArray &after);
+    QByteArray &replace(const QByteArray &before, const char *after);
+    QByteArray &replace(const char *before, const QByteArray &after);
+    QByteArray &replace(char before, char after);
+    QByteArray &operator+=(char c);
+    QByteArray &operator+=(const char *s);
+    QByteArray &operator+=(const QByteArray &a);
+
+    QList<QByteArray> split(char sep) const;
+
+    QByteArray repeated(int times) const;
+
+#ifndef QT_NO_CAST_TO_ASCII
+    QT_ASCII_CAST_WARN QByteArray &append(const QString &s);
+    QT_ASCII_CAST_WARN QByteArray &insert(int i, const QString &s);
+    QT_ASCII_CAST_WARN QByteArray &replace(const QString &before, const char *after);
+    QT_ASCII_CAST_WARN QByteArray &replace(char c, const QString &after);
+    QT_ASCII_CAST_WARN QByteArray &replace(const QString &before, const QByteArray &after);
+
+    QT_ASCII_CAST_WARN QByteArray &operator+=(const QString &s);
+    QT_ASCII_CAST_WARN int indexOf(const QString &s, int from = 0) const;
+    QT_ASCII_CAST_WARN int lastIndexOf(const QString &s, int from = -1) const;
+#endif
+#ifndef QT_NO_CAST_FROM_ASCII
+    inline QT_ASCII_CAST_WARN bool operator==(const QString &s2) const;
+    inline QT_ASCII_CAST_WARN bool operator!=(const QString &s2) const;
+    inline QT_ASCII_CAST_WARN bool operator<(const QString &s2) const;
+    inline QT_ASCII_CAST_WARN bool operator>(const QString &s2) const;
+    inline QT_ASCII_CAST_WARN bool operator<=(const QString &s2) const;
+    inline QT_ASCII_CAST_WARN bool operator>=(const QString &s2) const;
+#endif
+
+    short toShort(bool *ok = 0, int base = 10) const;
+    ushort toUShort(bool *ok = 0, int base = 10) const;
+    int toInt(bool *ok = 0, int base = 10) const;
+    uint toUInt(bool *ok = 0, int base = 10) const;
+    long toLong(bool *ok = 0, int base = 10) const;
+    ulong toULong(bool *ok = 0, int base = 10) const;
+    qlonglong toLongLong(bool *ok = 0, int base = 10) const;
+    qulonglong toULongLong(bool *ok = 0, int base = 10) const;
+    float toFloat(bool *ok = 0) const;
+    double toDouble(bool *ok = 0) const;
+    QByteArray toBase64() const;
+    QByteArray toHex() const;
+    QByteArray toPercentEncoding(const QByteArray &exclude = QByteArray(),
+                                 const QByteArray &include = QByteArray(),
+                                 char percent = '%') const;
+
+    QByteArray &setNum(short, int base = 10);
+    QByteArray &setNum(ushort, int base = 10);
+    QByteArray &setNum(int, int base = 10);
+    QByteArray &setNum(uint, int base = 10);
+    QByteArray &setNum(qlonglong, int base = 10);
+    QByteArray &setNum(qulonglong, int base = 10);
+    QByteArray &setNum(float, char f = 'g', int prec = 6);
+    QByteArray &setNum(double, char f = 'g', int prec = 6);
+
+    static QByteArray number(int, int base = 10);
+    static QByteArray number(uint, int base = 10);
+    static QByteArray number(qlonglong, int base = 10);
+    static QByteArray number(qulonglong, int base = 10);
+    static QByteArray number(double, char f = 'g', int prec = 6);
+    static QByteArray fromRawData(const char *, int size);
+    static QByteArray fromBase64(const QByteArray &base64);
+    static QByteArray fromHex(const QByteArray &hexEncoded);
+    static QByteArray fromPercentEncoding(const QByteArray &pctEncoded, char percent = '%');
+
+
+    typedef char *iterator;
+    typedef const char *const_iterator;
+    typedef iterator Iterator;
+    typedef const_iterator ConstIterator;
+    iterator begin();
+    const_iterator begin() const;
+    const_iterator constBegin() const;
+    iterator end();
+    const_iterator end() const;
+    const_iterator constEnd() const;
+
+    // stl compatibility
+    typedef const char & const_reference;
+    typedef char & reference;
+    void push_back(char c);
+    void push_back(const char *c);
+    void push_back(const QByteArray &a);
+    void push_front(char c);
+    void push_front(const char *c);
+    void push_front(const QByteArray &a);
+
+    inline int count() const { return d->size; }
+    int length() const { return d->size; }
+    bool isNull() const;
+
+    // compatibility
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QByteArray(int size);
+    inline QT3_SUPPORT QByteArray& duplicate(const QByteArray& a) { *this = a; return *this; }
+    inline QT3_SUPPORT QByteArray& duplicate(const char *a, uint n)
+    { *this = QByteArray(a, n); return *this; }
+    inline QT3_SUPPORT QByteArray& setRawData(const char *a, uint n)
+    { *this = fromRawData(a, n); return *this; }
+    inline QT3_SUPPORT void resetRawData(const char *, uint) { clear(); }
+    inline QT3_SUPPORT QByteArray lower() const { return toLower(); }
+    inline QT3_SUPPORT QByteArray upper() const { return toUpper(); }
+    inline QT3_SUPPORT QByteArray stripWhiteSpace() const { return trimmed(); }
+    inline QT3_SUPPORT QByteArray simplifyWhiteSpace() const { return simplified(); }
+    inline QT3_SUPPORT int find(char c, int from = 0) const { return indexOf(c, from); }
+    inline QT3_SUPPORT int find(const char *c, int from = 0) const { return indexOf(c, from); }
+    inline QT3_SUPPORT int find(const QByteArray &ba, int from = 0) const { return indexOf(ba, from); }
+    inline QT3_SUPPORT int findRev(char c, int from = -1) const { return lastIndexOf(c, from); }
+    inline QT3_SUPPORT int findRev(const char *c, int from = -1) const { return lastIndexOf(c, from); }
+    inline QT3_SUPPORT int findRev(const QByteArray &ba, int from = -1) const { return lastIndexOf(ba, from); }
+#ifndef QT_NO_CAST_TO_ASCII
+    QT3_SUPPORT int find(const QString &s, int from = 0) const;
+    QT3_SUPPORT int findRev(const QString &s, int from = -1) const;
+#endif
+#endif
+
+private:
+    operator QNoImplicitBoolCast() const;
+    struct Data {
+        QBasicAtomicInt ref;
+        int alloc, size;
+	// ### Qt 5.0: We need to add the missing capacity bit
+	// (like other tool classes have), to maintain the
+	// reserved memory on resize.
+        char *data;
+        char array[1];
+    };
+    static Data shared_null;
+    static Data shared_empty;
+    Data *d;
+    QByteArray(Data *dd, int /*dummy*/, int /*dummy*/) : d(dd) {}
+    void realloc(int alloc);
+    void expand(int i);
+    QByteArray nulTerminated() const;
+
+    friend class QByteRef;
+    friend class QString;
+public:
+    typedef Data * DataPtr;
+    inline DataPtr &data_ptr() { return d; }
+};
+
+inline QByteArray::QByteArray(): d(&shared_null) { d->ref.ref(); }
+inline QByteArray::~QByteArray() { if (!d->ref.deref()) qFree(d); }
+inline int QByteArray::size() const
+{ return d->size; }
+
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+inline const char QByteArray::at(int i) const
+{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
+inline const char QByteArray::operator[](int i) const
+{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
+inline const char QByteArray::operator[](uint i) const
+{ Q_ASSERT(i < uint(size())); return d->data[i]; }
+#else
+inline char QByteArray::at(int i) const
+{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
+inline char QByteArray::operator[](int i) const
+{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
+inline char QByteArray::operator[](uint i) const
+{ Q_ASSERT(i < uint(size())); return d->data[i]; }
+#endif
+
+inline bool QByteArray::isEmpty() const
+{ return d->size == 0; }
+#ifndef QT_NO_CAST_FROM_BYTEARRAY
+inline QByteArray::operator const char *() const
+{ return d->data; }
+inline QByteArray::operator const void *() const
+{ return d->data; }
+#endif
+inline char *QByteArray::data()
+{ detach(); return d->data; }
+inline const char *QByteArray::data() const
+{ return d->data; }
+inline const char *QByteArray::constData() const
+{ return d->data; }
+inline void QByteArray::detach()
+{ if (d->ref != 1 || d->data != d->array) realloc(d->size); }
+inline bool QByteArray::isDetached() const
+{ return d->ref == 1; }
+inline QByteArray::QByteArray(const QByteArray &a) : d(a.d)
+{ d->ref.ref(); }
+#ifdef QT3_SUPPORT
+inline QByteArray::QByteArray(int aSize) : d(&shared_null)
+{ d->ref.ref(); if (aSize > 0) fill('\0', aSize); }
+#endif
+
+inline int QByteArray::capacity() const
+{ return d->alloc; }
+
+inline void QByteArray::reserve(int asize)
+{ if (d->ref != 1 || asize > d->alloc) realloc(asize); }
+
+inline void QByteArray::squeeze()
+{ if (d->size < d->alloc) realloc(d->size); }
+
+class Q_CORE_EXPORT QByteRef {
+    QByteArray &a;
+    int i;
+    inline QByteRef(QByteArray &array, int idx)
+        : a(array),i(idx) {}
+    friend class QByteArray;
+public:
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+    inline operator const char() const
+        { return i < a.d->size ? a.d->data[i] : 0; }
+#else
+    inline operator char() const
+        { return i < a.d->size ? a.d->data[i] : 0; }
+#endif
+    inline QByteRef &operator=(char c)
+        { if (i >= a.d->size) a.expand(i); else a.detach();
+          a.d->data[i] = c;  return *this; }
+    inline QByteRef &operator=(const QByteRef &c)
+        { if (i >= a.d->size) a.expand(i); else a.detach();
+          a.d->data[i] = c.a.d->data[c.i];  return *this; }
+    inline bool operator==(char c) const
+    { return a.d->data[i] == c; }
+    inline bool operator!=(char c) const
+    { return a.d->data[i] != c; }
+    inline bool operator>(char c) const
+    { return a.d->data[i] > c; }
+    inline bool operator>=(char c) const
+    { return a.d->data[i] >= c; }
+    inline bool operator<(char c) const
+    { return a.d->data[i] < c; }
+    inline bool operator<=(char c) const
+    { return a.d->data[i] <= c; }
+};
+
+inline QByteRef QByteArray::operator[](int i)
+{ Q_ASSERT(i >= 0); return QByteRef(*this, i); }
+inline QByteRef QByteArray::operator[](uint i)
+{ return QByteRef(*this, i); }
+inline QByteArray::iterator QByteArray::begin()
+{ detach(); return d->data; }
+inline QByteArray::const_iterator QByteArray::begin() const
+{ return d->data; }
+inline QByteArray::const_iterator QByteArray::constBegin() const
+{ return d->data; }
+inline QByteArray::iterator QByteArray::end()
+{ detach(); return d->data + d->size; }
+inline QByteArray::const_iterator QByteArray::end() const
+{ return d->data + d->size; }
+inline QByteArray::const_iterator QByteArray::constEnd() const
+{ return d->data + d->size; }
+inline QByteArray &QByteArray::operator+=(char c)
+{ return append(c); }
+inline QByteArray &QByteArray::operator+=(const char *s)
+{ return append(s); }
+inline QByteArray &QByteArray::operator+=(const QByteArray &a)
+{ return append(a); }
+inline void QByteArray::push_back(char c)
+{ append(c); }
+inline void QByteArray::push_back(const char *c)
+{ append(c); }
+inline void QByteArray::push_back(const QByteArray &a)
+{ append(a); }
+inline void QByteArray::push_front(char c)
+{ prepend(c); }
+inline void QByteArray::push_front(const char *c)
+{ prepend(c); }
+inline void QByteArray::push_front(const QByteArray &a)
+{ prepend(a); }
+inline QBool QByteArray::contains(const QByteArray &a) const
+{ return QBool(indexOf(a) != -1); }
+inline QBool QByteArray::contains(char c) const
+{ return QBool(indexOf(c) != -1); }
+inline bool operator==(const QByteArray &a1, const QByteArray &a2)
+{ return (a1.size() == a2.size()) && (memcmp(a1.constData(), a2.constData(), a1.size())==0); }
+inline bool operator==(const QByteArray &a1, const char *a2)
+{ return a2 ? qstrcmp(a1,a2) == 0 : a1.isEmpty(); }
+inline bool operator==(const char *a1, const QByteArray &a2)
+{ return a1 ? qstrcmp(a1,a2) == 0 : a2.isEmpty(); }
+inline bool operator!=(const QByteArray &a1, const QByteArray &a2)
+{ return !(a1==a2); }
+inline bool operator!=(const QByteArray &a1, const char *a2)
+{ return a2 ? qstrcmp(a1,a2) != 0 : !a1.isEmpty(); }
+inline bool operator!=(const char *a1, const QByteArray &a2)
+{ return a1 ? qstrcmp(a1,a2) != 0 : !a2.isEmpty(); }
+inline bool operator<(const QByteArray &a1, const QByteArray &a2)
+{ return qstrcmp(a1, a2) < 0; }
+ inline bool operator<(const QByteArray &a1, const char *a2)
+{ return qstrcmp(a1, a2) < 0; }
+inline bool operator<(const char *a1, const QByteArray &a2)
+{ return qstrcmp(a1, a2) < 0; }
+inline bool operator<=(const QByteArray &a1, const QByteArray &a2)
+{ return qstrcmp(a1, a2) <= 0; }
+inline bool operator<=(const QByteArray &a1, const char *a2)
+{ return qstrcmp(a1, a2) <= 0; }
+inline bool operator<=(const char *a1, const QByteArray &a2)
+{ return qstrcmp(a1, a2) <= 0; }
+inline bool operator>(const QByteArray &a1, const QByteArray &a2)
+{ return qstrcmp(a1, a2) > 0; }
+inline bool operator>(const QByteArray &a1, const char *a2)
+{ return qstrcmp(a1, a2) > 0; }
+inline bool operator>(const char *a1, const QByteArray &a2)
+{ return qstrcmp(a1, a2) > 0; }
+inline bool operator>=(const QByteArray &a1, const QByteArray &a2)
+{ return qstrcmp(a1, a2) >= 0; }
+inline bool operator>=(const QByteArray &a1, const char *a2)
+{ return qstrcmp(a1, a2) >= 0; }
+inline bool operator>=(const char *a1, const QByteArray &a2)
+{ return qstrcmp(a1, a2) >= 0; }
+inline const QByteArray operator+(const QByteArray &a1, const QByteArray &a2)
+{ return QByteArray(a1) += a2; }
+inline const QByteArray operator+(const QByteArray &a1, const char *a2)
+{ return QByteArray(a1) += a2; }
+inline const QByteArray operator+(const QByteArray &a1, char a2)
+{ return QByteArray(a1) += a2; }
+inline const QByteArray operator+(const char *a1, const QByteArray &a2)
+{ return QByteArray(a1) += a2; }
+inline const QByteArray operator+(char a1, const QByteArray &a2)
+{ return QByteArray(&a1, 1) += a2; }
+inline QBool QByteArray::contains(const char *c) const
+{ return QBool(indexOf(c) != -1); }
+inline QByteArray &QByteArray::replace(char before, const char *c)
+{ return replace(&before, 1, c, qstrlen(c)); }
+inline QByteArray &QByteArray::replace(const QByteArray &before, const char *c)
+{ return replace(before.constData(), before.size(), c, qstrlen(c)); }
+inline QByteArray &QByteArray::replace(const char *before, const char *after)
+{ return replace(before, qstrlen(before), after, qstrlen(after)); }
+
+inline QByteArray &QByteArray::setNum(short n, int base)
+{ return setNum(qlonglong(n), base); }
+inline QByteArray &QByteArray::setNum(ushort n, int base)
+{ return setNum(qulonglong(n), base); }
+inline QByteArray &QByteArray::setNum(int n, int base)
+{ return setNum(qlonglong(n), base); }
+inline QByteArray &QByteArray::setNum(uint n, int base)
+{ return setNum(qulonglong(n), base); }
+inline QByteArray &QByteArray::setNum(float n, char f, int prec)
+{ return setNum(double(n),f,prec); }
+
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QByteArray &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QByteArray &);
+#endif
+
+#ifndef QT_NO_COMPRESS
+Q_CORE_EXPORT QByteArray qCompress(const uchar* data, int nbytes, int compressionLevel = -1);
+Q_CORE_EXPORT QByteArray qUncompress(const uchar* data, int nbytes);
+inline QByteArray qCompress(const QByteArray& data, int compressionLevel = -1)
+{ return qCompress(reinterpret_cast<const uchar *>(data.constData()), data.size(), compressionLevel); }
+inline QByteArray qUncompress(const QByteArray& data)
+{ return qUncompress(reinterpret_cast<const uchar*>(data.constData()), data.size()); }
+#endif
+
+Q_DECLARE_TYPEINFO(QByteArray, Q_MOVABLE_TYPE);
+Q_DECLARE_SHARED(QByteArray)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBYTEARRAY_H
diff --git a/src/corelib/tools/qbytearraymatcher.cpp b/src/corelib/tools/qbytearraymatcher.cpp
new file mode 100644
index 0000000000..cd4cf90775
--- /dev/null
+++ b/src/corelib/tools/qbytearraymatcher.cpp
@@ -0,0 +1,323 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbytearraymatcher.h"
+
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+static inline void bm_init_skiptable(const uchar *cc, int len, uchar *skiptable)
+{
+    int l = qMin(len, 255);
+    memset(skiptable, l, 256*sizeof(uchar));
+    cc += len - l;
+    while (l--)
+        skiptable[*cc++] = l;
+}
+
+static inline int bm_find(const uchar *cc, int l, int index, const uchar *puc, uint pl,
+                          const uchar *skiptable)
+{
+    if (pl == 0)
+        return index > l ? -1 : index;
+    const uint pl_minus_one = pl - 1;
+
+    register const uchar *current = cc + index + pl_minus_one;
+    const uchar *end = cc + l;
+    while (current < end) {
+        uint skip = skiptable[*current];
+        if (!skip) {
+            // possible match
+            while (skip < pl) {
+                if (*(current - skip) != puc[pl_minus_one - skip])
+                    break;
+                skip++;
+            }
+            if (skip > pl_minus_one) // we have a match
+                return (current - cc) - skip + 1;
+
+            // in case we don't have a match we are a bit inefficient as we only skip by one
+            // when we have the non matching char in the string.
+            if (skiptable[*(current - skip)] == pl)
+                skip = pl - skip;
+            else
+                skip = 1;
+        }
+        if (current > end - skip)
+            break;
+        current += skip;
+    }
+    return -1; // not found
+}
+
+/*! \class QByteArrayMatcher
+    \brief The QByteArrayMatcher class holds a sequence of bytes that
+    can be quickly matched in a byte array.
+
+    \ingroup tools
+    \ingroup text
+
+    This class is useful when you have a sequence of bytes that you
+    want to repeatedly match against some byte arrays (perhaps in a
+    loop), or when you want to search for the same sequence of bytes
+    multiple times in the same byte array. Using a matcher object and
+    indexIn() is faster than matching a plain QByteArray with
+    QByteArray::indexOf() if repeated matching takes place. This
+    class offers no benefit if you are doing one-off byte array
+    matches.
+
+    Create the QByteArrayMatcher with the QByteArray you want to
+    search for. Then call indexIn() on the QByteArray that you want to
+    search.
+
+    \sa QByteArray, QStringMatcher
+*/
+
+/*!
+    Constructs an empty byte array matcher that won't match anything.
+    Call setPattern() to give it a pattern to match.
+*/
+QByteArrayMatcher::QByteArrayMatcher()
+    : d(0)
+{
+    p.p = 0;
+    qMemSet(p.q_skiptable, 0, sizeof(p.q_skiptable));
+}
+
+/*!
+  Constructs a byte array matcher from \a pattern. \a pattern
+  has the given \a length. \a pattern must remain in scope, but
+  the destructor does not delete \a pattern.
+ */
+QByteArrayMatcher::QByteArrayMatcher(const char *pattern, int length)
+    : d(0)
+{
+    p.p = reinterpret_cast<const uchar *>(pattern);
+    p.l = length;
+    bm_init_skiptable(p.p, p.l, p.q_skiptable);
+}
+
+/*!
+    Constructs a byte array matcher that will search for \a pattern.
+    Call indexIn() to perform a search.
+*/
+QByteArrayMatcher::QByteArrayMatcher(const QByteArray &pattern)
+    : d(0), q_pattern(pattern)
+{
+    p.p = reinterpret_cast<const uchar *>(pattern.constData());
+    p.l = pattern.size();
+    bm_init_skiptable(p.p, p.l, p.q_skiptable);
+}
+
+/*!
+    Copies the \a other byte array matcher to this byte array matcher.
+*/
+QByteArrayMatcher::QByteArrayMatcher(const QByteArrayMatcher &other)
+    : d(0)
+{
+    operator=(other);
+}
+
+/*!
+    Destroys the byte array matcher.
+*/
+QByteArrayMatcher::~QByteArrayMatcher()
+{
+}
+
+/*!
+    Assigns the \a other byte array matcher to this byte array matcher.
+*/
+QByteArrayMatcher &QByteArrayMatcher::operator=(const QByteArrayMatcher &other)
+{
+    q_pattern = other.q_pattern;
+    qMemCopy(p.q_skiptable, other.p.q_skiptable, sizeof(p.q_skiptable));
+    return *this;
+}
+
+/*!
+    Sets the byte array that this byte array matcher will search for
+    to \a pattern.
+
+    \sa pattern(), indexIn()
+*/
+void QByteArrayMatcher::setPattern(const QByteArray &pattern)
+{
+    q_pattern = pattern;
+    p.p = reinterpret_cast<const uchar *>(pattern.constData());
+    p.l = pattern.size();
+    bm_init_skiptable(p.p, p.l, p.q_skiptable);
+}
+
+/*!
+    Searches the byte array \a ba, from byte position \a from (default
+    0, i.e. from the first byte), for the byte array pattern() that
+    was set in the constructor or in the most recent call to
+    setPattern(). Returns the position where the pattern() matched in
+    \a ba, or -1 if no match was found.
+*/
+int QByteArrayMatcher::indexIn(const QByteArray &ba, int from) const
+{
+    if (from < 0)
+        from = 0;
+    return bm_find(reinterpret_cast<const uchar *>(ba.constData()), ba.size(), from,
+                   p.p, p.l, p.q_skiptable);
+}
+
+/*!
+    Searches the char string \a str, which has length \a len, from
+    byte position \a from (default 0, i.e. from the first byte), for
+    the byte array pattern() that was set in the constructor or in the
+    most recent call to setPattern(). Returns the position where the
+    pattern() matched in \a str, or -1 if no match was found.
+*/
+int QByteArrayMatcher::indexIn(const char *str, int len, int from) const
+{
+    if (from < 0)
+        from = 0;
+    return bm_find(reinterpret_cast<const uchar *>(str), len, from,
+                   p.p, p.l, p.q_skiptable);
+}
+
+/*!
+    \fn QByteArray QByteArrayMatcher::pattern() const
+
+    Returns the byte array pattern that this byte array matcher will
+    search for.
+
+    \sa setPattern()
+*/
+
+
+static int findChar(const char *str, int len, char ch, int from)
+{
+    const uchar *s = (const uchar *)str;
+    uchar c = (uchar)ch;
+    if (from < 0)
+        from = qMax(from + len, 0);
+    if (from < len) {
+        const uchar *n = s + from - 1;
+        const uchar *e = s + len;
+        while (++n != e)
+            if (*n == c)
+                return  n - s;
+    }
+    return -1;
+}
+
+/*! \internal
+ */
+static int qFindByteArrayBoyerMoore(
+    const char *haystack, int haystackLen, int haystackOffset,
+    const char *needle, int needleLen)
+{
+    uchar skiptable[256];
+    bm_init_skiptable((const uchar *)needle, needleLen, skiptable);
+    if (haystackOffset < 0)
+        haystackOffset = 0;
+    return bm_find((const uchar *)haystack, haystackLen, haystackOffset,
+                   (const uchar *)needle, needleLen, skiptable);
+}
+
+#define REHASH(a) \
+    if (sl_minus_1 < sizeof(uint) * CHAR_BIT) \
+        hashHaystack -= (a) << sl_minus_1; \
+    hashHaystack <<= 1
+
+/*! \internal
+ */
+int qFindByteArray(
+    const char *haystack0, int haystackLen, int from,
+    const char *needle, int needleLen)
+{
+    const int l = haystackLen;
+    const int sl = needleLen;
+    if (from < 0)
+        from += l;
+    if (uint(sl + from) > (uint)l)
+        return -1;
+    if (!sl)
+        return from;
+    if (!l)
+        return -1;
+
+    if (sl == 1)
+        return findChar(haystack0, haystackLen, needle[0], from);
+
+    /*
+      We use the Boyer-Moore algorithm in cases where the overhead
+      for the skip table should pay off, otherwise we use a simple
+      hash function.
+    */
+    if (l > 500 && sl > 5)
+        return qFindByteArrayBoyerMoore(haystack0, haystackLen, from,
+                                        needle, needleLen);
+
+    /*
+      We use some hashing for efficiency's sake. Instead of
+      comparing strings, we compare the hash value of str with that
+      of a part of this QString. Only if that matches, we call memcmp().
+    */
+    const char *haystack = haystack0 + from;
+    const char *end = haystack0 + (l - sl);
+    const uint sl_minus_1 = sl - 1;
+    uint hashNeedle = 0, hashHaystack = 0;
+    int idx;
+    for (idx = 0; idx < sl; ++idx) {
+        hashNeedle = ((hashNeedle<<1) + needle[idx]);
+        hashHaystack = ((hashHaystack<<1) + haystack[idx]);
+    }
+    hashHaystack -= *(haystack + sl_minus_1);
+
+    while (haystack <= end) {
+        hashHaystack += *(haystack + sl_minus_1);
+        if (hashHaystack == hashNeedle && *needle == *haystack
+             && memcmp(needle, haystack, sl) == 0)
+            return haystack - haystack0;
+
+        REHASH(*haystack);
+        ++haystack;
+    }
+    return -1;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qbytearraymatcher.h b/src/corelib/tools/qbytearraymatcher.h
new file mode 100644
index 0000000000..d7f2366211
--- /dev/null
+++ b/src/corelib/tools/qbytearraymatcher.h
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBYTEARRAYMATCHER_H
+#define QBYTEARRAYMATCHER_H
+
+#include <QtCore/qbytearray.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QByteArrayMatcherPrivate;
+
+class Q_CORE_EXPORT QByteArrayMatcher
+{
+public:
+    QByteArrayMatcher();
+    explicit QByteArrayMatcher(const QByteArray &pattern);
+    explicit QByteArrayMatcher(const char *pattern, int length);
+    QByteArrayMatcher(const QByteArrayMatcher &other);
+    ~QByteArrayMatcher();
+
+    QByteArrayMatcher &operator=(const QByteArrayMatcher &other);
+
+    void setPattern(const QByteArray &pattern);
+
+    int indexIn(const QByteArray &ba, int from = 0) const;
+    int indexIn(const char *str, int len, int from = 0) const;
+    inline QByteArray pattern() const { return q_pattern; }
+
+private:
+    QByteArrayMatcherPrivate *d;
+    QByteArray q_pattern;
+#ifdef Q_CC_RVCT
+// explicitely allow anonymous unions for RVCT to prevent compiler warnings
+#pragma anon_unions
+#endif
+    union {
+        uint dummy[256];
+        struct {
+            uchar q_skiptable[256];
+            const uchar *p;
+            int l;
+        } p;
+    };
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBYTEARRAYMATCHER_H
diff --git a/src/corelib/tools/qcache.h b/src/corelib/tools/qcache.h
new file mode 100644
index 0000000000..38adac6f87
--- /dev/null
+++ b/src/corelib/tools/qcache.h
@@ -0,0 +1,216 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCACHE_H
+#define QCACHE_H
+
+#include <QtCore/qhash.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <class Key, class T>
+class QCache
+{
+    struct Node {
+        inline Node() : keyPtr(0) {}
+        inline Node(T *data, int cost)
+            : keyPtr(0), t(data), c(cost), p(0), n(0) {}
+        const Key *keyPtr; T *t; int c; Node *p,*n;
+    };
+    Node *f, *l;
+    QHash<Key, Node> hash;
+    void *unused;
+    int mx, total;
+
+    inline void unlink(Node &n) {
+        if (n.p) n.p->n = n.n;
+        if (n.n) n.n->p = n.p;
+        if (l == &n) l = n.p;
+        if (f == &n) f = n.n;
+        total -= n.c;
+        delete n.t;
+        hash.remove(*n.keyPtr);
+    }
+    inline T *relink(const Key &key) {
+        typename QHash<Key, Node>::iterator i = hash.find(key);
+        if (typename QHash<Key, Node>::const_iterator(i) == hash.constEnd())
+            return 0;
+
+        Node &n = *i;
+        if (f != &n) {
+            if (n.p) n.p->n = n.n;
+            if (n.n) n.n->p = n.p;
+            if (l == &n) l = n.p;
+            n.p = 0;
+            n.n = f;
+            f->p = &n;
+            f = &n;
+        }
+        return n.t;
+    }
+
+    Q_DISABLE_COPY(QCache)
+
+public:
+    inline explicit QCache(int maxCost = 100);
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT_CONSTRUCTOR QCache(int maxCost, int /* dummy */)
+        : f(0), l(0), mx(maxCost), total(0) {}
+#endif
+    inline ~QCache() { clear(); }
+
+    inline int maxCost() const { return mx; }
+    void setMaxCost(int m);
+    inline int totalCost() const { return total; }
+
+    inline int size() const { return hash.size(); }
+    inline int count() const { return hash.size(); }
+    inline bool isEmpty() const { return hash.isEmpty(); }
+    inline QList<Key> keys() const { return hash.keys(); }
+
+    void clear();
+
+    bool insert(const Key &key, T *object, int cost = 1);
+    T *object(const Key &key) const;
+    inline bool contains(const Key &key) const { return hash.contains(key); }
+    T *operator[](const Key &key) const;
+
+    bool remove(const Key &key);
+    T *take(const Key &key);
+
+private:
+    void trim(int m);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT T *find(const Key &key) const { return object(key); }
+#endif
+
+};
+
+template <class Key, class T>
+inline QCache<Key, T>::QCache(int amaxCost)
+    : f(0), l(0), mx(amaxCost), total(0) {}
+
+template <class Key, class T>
+inline void QCache<Key,T>::clear()
+{ while (f) { delete f->t; f = f->n; }
+ hash.clear(); l = 0; total = 0; }
+
+template <class Key, class T>
+inline void QCache<Key,T>::setMaxCost(int m)
+{ mx = m; trim(mx); }
+
+template <class Key, class T>
+inline T *QCache<Key,T>::object(const Key &key) const
+{ return const_cast<QCache<Key,T>*>(this)->relink(key); }
+
+template <class Key, class T>
+inline T *QCache<Key,T>::operator[](const Key &key) const
+{ return object(key); }
+
+template <class Key, class T>
+inline bool QCache<Key,T>::remove(const Key &key)
+{
+    typename QHash<Key, Node>::iterator i = hash.find(key);
+    if (typename QHash<Key, Node>::const_iterator(i) == hash.constEnd()) {
+        return false;
+    } else {
+        unlink(*i);
+        return true;
+    }
+}
+
+template <class Key, class T>
+inline T *QCache<Key,T>::take(const Key &key)
+{
+    typename QHash<Key, Node>::iterator i = hash.find(key);
+    if (i == hash.end())
+        return 0;
+
+    Node &n = *i;
+    T *t = n.t;
+    n.t = 0;
+    unlink(n);
+    return t;
+}
+
+template <class Key, class T>
+bool QCache<Key,T>::insert(const Key &akey, T *aobject, int acost)
+{
+    remove(akey);
+    if (acost > mx) {
+        delete aobject;
+        return false;
+    }
+    trim(mx - acost);
+    Node sn(aobject, acost);
+    typename QHash<Key, Node>::iterator i = hash.insert(akey, sn);
+    total += acost;
+    Node *n = &i.value();
+    n->keyPtr = &i.key();
+    if (f) f->p = n;
+    n->n = f;
+    f = n;
+    if (!l) l = f;
+    return true;
+}
+
+template <class Key, class T>
+void QCache<Key,T>::trim(int m)
+{
+    Node *n = l;
+    while (n && total > m) {
+        Node *u = n;
+        n = n->p;
+        if (qIsDetached(*u->t))
+            unlink(*u);
+    }
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QCACHE_H
diff --git a/src/corelib/tools/qchar.cpp b/src/corelib/tools/qchar.cpp
new file mode 100644
index 0000000000..a940cda70c
--- /dev/null
+++ b/src/corelib/tools/qchar.cpp
@@ -0,0 +1,1618 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// Don't define it while compiling this module, or USERS of Qt will
+// not be able to link.
+#ifdef QT_NO_CAST_FROM_ASCII
+#undef QT_NO_CAST_FROM_ASCII
+#endif
+#ifdef QT_NO_CAST_TO_ASCII
+#undef QT_NO_CAST_TO_ASCII
+#endif
+#include "qchar.h"
+#include "qdatastream.h"
+#include "qtextcodec.h"
+
+#include "qunicodetables_p.h"
+
+#include "qunicodetables.cpp"
+
+QT_BEGIN_NAMESPACE
+
+#define LAST_UNICODE_CHAR 0x10ffff
+
+#ifndef QT_NO_CODEC_FOR_C_STRINGS
+#ifdef QT_NO_TEXTCODEC
+#define QT_NO_CODEC_FOR_C_STRINGS
+#endif
+#endif
+
+#define FLAG(x) (1 << (x))
+
+/*! \class QLatin1Char
+    \brief The QLatin1Char class provides an 8-bit ASCII/Latin-1 character.
+
+    \ingroup text
+
+    This class is only useful to avoid the codec for C strings business
+    in the QChar(ch) constructor. You can avoid it by writing
+    QChar(ch, 0).
+
+    \sa QChar, QLatin1String, QString
+*/
+
+/*!
+    \fn const char QLatin1Char::toLatin1() const
+
+    Converts a Latin-1 character to an 8-bit ASCII representation of
+    the character.
+*/
+
+/*!
+    \fn const ushort QLatin1Char::unicode() const
+
+    Converts a Latin-1 character to an 16-bit-encoded Unicode representation
+    of the character.
+*/
+
+/*!
+    \fn QLatin1Char::QLatin1Char(char c)
+
+    Constructs a Latin-1 character for \a c. This constructor should be
+    used when the encoding of the input character is known to be Latin-1.
+*/
+
+/*!
+    \class QChar
+    \brief The QChar class provides a 16-bit Unicode character.
+
+    \ingroup text
+    \reentrant
+
+    In Qt, Unicode characters are 16-bit entities without any markup
+    or structure. This class represents such an entity. It is
+    lightweight, so it can be used everywhere. Most compilers treat
+    it like a \c{unsigned short}.
+
+    QChar provides a full complement of testing/classification
+    functions, converting to and from other formats, converting from
+    composed to decomposed Unicode, and trying to compare and
+    case-convert if you ask it to.
+
+    The classification functions include functions like those in the
+    standard C++ header \<cctype\> (formerly \<ctype.h\>), but
+    operating on the full range of Unicode characters. They all
+    return true if the character is a certain type of character;
+    otherwise they return false. These classification functions are
+    isNull() (returns true if the character is '\\0'), isPrint()
+    (true if the character is any sort of printable character,
+    including whitespace), isPunct() (any sort of punctation),
+    isMark() (Unicode Mark), isLetter() (a letter), isNumber() (any
+    sort of numeric character, not just 0-9), isLetterOrNumber(), and
+    isDigit() (decimal digits). All of these are wrappers around
+    category() which return the Unicode-defined category of each
+    character.
+
+    QChar also provides direction(), which indicates the "natural"
+    writing direction of this character. The joining() function
+    indicates how the character joins with its neighbors (needed
+    mostly for Arabic) and finally hasMirrored(), which indicates
+    whether the character needs to be mirrored when it is printed in
+    its "unnatural" writing direction.
+
+    Composed Unicode characters (like \aring) can be converted to
+    decomposed Unicode ("a" followed by "ring above") by using
+    decomposition().
+
+    In Unicode, comparison is not necessarily possible and case
+    conversion is very difficult at best. Unicode, covering the
+    "entire" world, also includes most of the world's case and
+    sorting problems. operator==() and friends will do comparison
+    based purely on the numeric Unicode value (code point) of the
+    characters, and toUpper() and toLower() will do case changes when
+    the character has a well-defined uppercase/lowercase equivalent.
+    For locale-dependent comparisons, use
+    QString::localeAwareCompare().
+
+    The conversion functions include unicode() (to a scalar),
+    toLatin1() (to scalar, but converts all non-Latin-1 characters to
+    0), row() (gives the Unicode row), cell() (gives the Unicode
+    cell), digitValue() (gives the integer value of any of the
+    numerous digit characters), and a host of constructors.
+
+    QChar provides constructors and cast operators that make it easy
+    to convert to and from traditional 8-bit \c{char}s. If you
+    defined \c QT_NO_CAST_FROM_ASCII and \c QT_NO_CAST_TO_ASCII, as
+    explained in the QString documentation, you will need to
+    explicitly call fromAscii() or fromLatin1(), or use QLatin1Char,
+    to construct a QChar from an 8-bit \c char, and you will need to
+    call toAscii() or toLatin1() to get the 8-bit value back.
+
+    \sa QString, Unicode, QLatin1Char
+*/
+
+/*!
+    \enum QChar::UnicodeVersion
+
+    Specifies which version of the \l{http://www.unicode.org/}{Unicode standard}
+    introduced a certain character.
+
+    \value Unicode_1_1  Version 1.1
+    \value Unicode_2_0  Version 2.0
+    \value Unicode_2_1_2  Version 2.1.2
+    \value Unicode_3_0  Version 3.0
+    \value Unicode_3_1  Version 3.1
+    \value Unicode_3_2  Version 3.2
+    \value Unicode_4_0  Version 4.0
+    \value Unicode_4_1  Version 4.1
+    \value Unicode_5_0  Version 5.0
+    \value Unicode_Unassigned  The value is not assigned to any character
+        in version 5.0 of Unicode.
+
+    \sa unicodeVersion()
+*/
+
+/*!
+    \enum QChar::Category
+
+    This enum maps the Unicode character categories.
+
+    The following characters are normative in Unicode:
+
+    \value Mark_NonSpacing  Unicode class name Mn
+
+    \value Mark_SpacingCombining  Unicode class name Mc
+
+    \value Mark_Enclosing  Unicode class name Me
+
+    \value Number_DecimalDigit  Unicode class name Nd
+
+    \value Number_Letter  Unicode class name Nl
+
+    \value Number_Other  Unicode class name No
+
+    \value Separator_Space  Unicode class name Zs
+
+    \value Separator_Line  Unicode class name Zl
+
+    \value Separator_Paragraph  Unicode class name Zp
+
+    \value Other_Control  Unicode class name Cc
+
+    \value Other_Format  Unicode class name Cf
+
+    \value Other_Surrogate  Unicode class name Cs
+
+    \value Other_PrivateUse  Unicode class name Co
+
+    \value Other_NotAssigned  Unicode class name Cn
+
+
+    The following categories are informative in Unicode:
+
+    \value Letter_Uppercase  Unicode class name Lu
+
+    \value Letter_Lowercase  Unicode class name Ll
+
+    \value Letter_Titlecase  Unicode class name Lt
+
+    \value Letter_Modifier  Unicode class name Lm
+
+    \value Letter_Other Unicode class name Lo
+
+    \value Punctuation_Connector  Unicode class name Pc
+
+    \value Punctuation_Dash  Unicode class name Pd
+
+    \value Punctuation_Open  Unicode class name Ps
+
+    \value Punctuation_Close  Unicode class name Pe
+
+    \value Punctuation_InitialQuote  Unicode class name Pi
+
+    \value Punctuation_FinalQuote  Unicode class name Pf
+
+    \value Punctuation_Other  Unicode class name Po
+
+    \value Symbol_Math  Unicode class name Sm
+
+    \value Symbol_Currency  Unicode class name Sc
+
+    \value Symbol_Modifier  Unicode class name Sk
+
+    \value Symbol_Other  Unicode class name So
+
+    \value NoCategory  Qt cannot find an appropriate category for the character.
+
+    \omitvalue Punctuation_Dask
+
+    \sa category()
+*/
+
+/*!
+    \enum QChar::Direction
+
+    This enum type defines the Unicode direction attributes. See the
+    \l{http://www.unicode.org/}{Unicode Standard} for a description
+    of the values.
+
+    In order to conform to C/C++ naming conventions "Dir" is prepended
+    to the codes used in the Unicode Standard.
+
+    \value DirAL
+    \value DirAN
+    \value DirB
+    \value DirBN
+    \value DirCS
+    \value DirEN
+    \value DirES
+    \value DirET
+    \value DirL
+    \value DirLRE
+    \value DirLRO
+    \value DirNSM
+    \value DirON
+    \value DirPDF
+    \value DirR
+    \value DirRLE
+    \value DirRLO
+    \value DirS
+    \value DirWS
+
+    \sa direction()
+*/
+
+/*!
+    \enum QChar::Decomposition
+
+    This enum type defines the Unicode decomposition attributes. See
+    the \l{http://www.unicode.org/}{Unicode Standard} for a
+    description of the values.
+
+    \value NoDecomposition
+    \value Canonical
+    \value Circle
+    \value Compat
+    \value Final
+    \value Font
+    \value Fraction
+    \value Initial
+    \value Isolated
+    \value Medial
+    \value Narrow
+    \value NoBreak
+    \value Small
+    \value Square
+    \value Sub
+    \value Super
+    \value Vertical
+    \value Wide
+
+    \omitvalue Single
+
+    \sa decomposition()
+*/
+
+/*!
+    \enum QChar::Joining
+
+    This enum type defines the Unicode joining attributes. See the
+    \l{http://www.unicode.org/}{Unicode Standard} for a description
+    of the values.
+
+    \value Center
+    \value Dual
+    \value OtherJoining
+    \value Right
+
+    \sa joining()
+*/
+
+/*!
+    \enum QChar::CombiningClass
+
+    \internal
+
+    This enum type defines names for some of the Unicode combining
+    classes. See the \l{http://www.unicode.org/}{Unicode Standard}
+    for a description of the values.
+
+    \value Combining_Above
+    \value Combining_AboveAttached
+    \value Combining_AboveLeft
+    \value Combining_AboveLeftAttached
+    \value Combining_AboveRight
+    \value Combining_AboveRightAttached
+    \value Combining_Below
+    \value Combining_BelowAttached
+    \value Combining_BelowLeft
+    \value Combining_BelowLeftAttached
+    \value Combining_BelowRight
+    \value Combining_BelowRightAttached
+    \value Combining_DoubleAbove
+    \value Combining_DoubleBelow
+    \value Combining_IotaSubscript
+    \value Combining_Left
+    \value Combining_LeftAttached
+    \value Combining_Right
+    \value Combining_RightAttached
+*/
+
+/*!
+    \enum QChar::SpecialCharacter
+
+    \value Null A QChar with this value isNull().
+    \value Nbsp Non-breaking space.
+    \value ReplacementCharacter
+    \value ObjectReplacementCharacter The character shown when a font has no glyph for a certain codepoint. The square character is normally used.
+    \value ByteOrderMark
+    \value ByteOrderSwapped
+    \value ParagraphSeparator
+    \value LineSeparator
+
+    \omitvalue null
+    \omitvalue replacement
+    \omitvalue byteOrderMark
+    \omitvalue byteOrderSwapped
+    \omitvalue nbsp
+*/
+
+/*!
+    \fn void QChar::setCell(uchar cell)
+    \internal
+*/
+
+/*!
+    \fn void QChar::setRow(uchar row)
+    \internal
+*/
+
+/*!
+    \fn QChar::QChar()
+
+    Constructs a null QChar ('\\0').
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QChar::QChar(QLatin1Char ch)
+
+    Constructs a QChar corresponding to ASCII/Latin-1 character \a ch.
+*/
+
+/*!
+    \fn QChar::QChar(SpecialCharacter ch)
+
+    Constructs a QChar for the predefined character value \a ch.
+*/
+
+/*!
+    Constructs a QChar corresponding to ASCII/Latin-1 character \a
+    ch.
+*/
+QChar::QChar(char ch)
+{
+#ifndef QT_NO_CODEC_FOR_C_STRINGS
+    if (QTextCodec::codecForCStrings())
+        // #####
+        ucs =  QTextCodec::codecForCStrings()->toUnicode(&ch, 1).at(0).unicode();
+    else
+#endif
+        ucs = uchar(ch);
+}
+
+/*!
+    Constructs a QChar corresponding to ASCII/Latin-1 character \a ch.
+*/
+QChar::QChar(uchar ch)
+{
+#ifndef QT_NO_CODEC_FOR_C_STRINGS
+    if (QTextCodec::codecForCStrings()) {
+        // #####
+        char c = char(ch);
+        ucs =  QTextCodec::codecForCStrings()->toUnicode(&c, 1).at(0).unicode();
+    } else
+#endif
+        ucs = ch;
+}
+
+/*!
+    \fn QChar::QChar(uchar cell, uchar row)
+
+    Constructs a QChar for Unicode cell \a cell in row \a row.
+
+    \sa cell(), row()
+*/
+
+/*!
+    \fn QChar::QChar(ushort code)
+
+    Constructs a QChar for the character with Unicode code point \a
+    code.
+*/
+
+
+/*!
+    \fn QChar::QChar(short code)
+
+    Constructs a QChar for the character with Unicode code point \a
+    code.
+*/
+
+
+/*!
+    \fn QChar::QChar(uint code)
+
+    Constructs a QChar for the character with Unicode code point \a
+    code.
+*/
+
+
+/*!
+    \fn QChar::QChar(int code)
+
+    Constructs a QChar for the character with Unicode code point \a
+    code.
+*/
+
+
+/*!
+    \fn bool QChar::isNull() const
+
+    Returns true if the character is the Unicode character 0x0000
+    ('\\0'); otherwise returns false.
+*/
+
+/*!
+    \fn uchar QChar::cell() const
+
+    Returns the cell (least significant byte) of the Unicode
+    character.
+
+    \sa row()
+*/
+
+/*!
+    \fn uchar QChar::row() const
+
+    Returns the row (most significant byte) of the Unicode character.
+
+    \sa cell()
+*/
+
+/*!
+    Returns true if the character is a printable character; otherwise
+    returns false. This is any character not of category Cc or Cn.
+
+    Note that this gives no indication of whether the character is
+    available in a particular font.
+*/
+bool QChar::isPrint() const
+{
+    const int test = FLAG(Other_Control) |
+                     FLAG(Other_NotAssigned);
+    return !(FLAG(qGetProp(ucs)->category) & test);
+}
+
+/*!
+    Returns true if the character is a separator character
+    (Separator_* categories); otherwise returns false.
+*/
+bool QChar::isSpace() const
+{
+    if(ucs >= 9 && ucs <=13)
+        return true;
+    const int test = FLAG(Separator_Space) |
+                     FLAG(Separator_Line) |
+                     FLAG(Separator_Paragraph);
+    return FLAG(qGetProp(ucs)->category) & test;
+}
+
+/*!
+    Returns true if the character is a mark (Mark_* categories);
+    otherwise returns false.
+    
+    See QChar::Category for more information regarding marks.
+*/
+bool QChar::isMark() const
+{
+    const int test = FLAG(Mark_NonSpacing) |
+                     FLAG(Mark_SpacingCombining) |
+                     FLAG(Mark_Enclosing);
+    return FLAG(qGetProp(ucs)->category) & test;
+}
+
+/*!
+    Returns true if the character is a punctuation mark (Punctuation_*
+    categories); otherwise returns false.
+*/
+bool QChar::isPunct() const
+{
+    const int test = FLAG(Punctuation_Connector) |
+                     FLAG(Punctuation_Dash) |
+                     FLAG(Punctuation_Open) |
+                     FLAG(Punctuation_Close) |
+                     FLAG(Punctuation_InitialQuote) |
+                     FLAG(Punctuation_FinalQuote) |
+                     FLAG(Punctuation_Other);
+    return FLAG(qGetProp(ucs)->category) & test;
+}
+
+/*!
+    Returns true if the character is a letter (Letter_* categories);
+    otherwise returns false.
+*/
+bool QChar::isLetter() const
+{
+    const int test = FLAG(Letter_Uppercase) |
+                     FLAG(Letter_Lowercase) |
+                     FLAG(Letter_Titlecase) |
+                     FLAG(Letter_Modifier) |
+                     FLAG(Letter_Other);
+    return FLAG(qGetProp(ucs)->category) & test;
+}
+
+/*!
+    Returns true if the character is a number (Number_* categories,
+    not just 0-9); otherwise returns false.
+
+    \sa isDigit()
+*/
+bool QChar::isNumber() const
+{
+    const int test = FLAG(Number_DecimalDigit) |
+                     FLAG(Number_Letter) |
+                     FLAG(Number_Other);
+    return FLAG(qGetProp(ucs)->category) & test;
+}
+
+/*!
+    Returns true if the character is a letter or number (Letter_* or
+    Number_* categories); otherwise returns false.
+*/
+bool QChar::isLetterOrNumber() const
+{
+    const int test = FLAG(Letter_Uppercase) |
+                     FLAG(Letter_Lowercase) |
+                     FLAG(Letter_Titlecase) |
+                     FLAG(Letter_Modifier) |
+                     FLAG(Letter_Other) |
+                     FLAG(Number_DecimalDigit) |
+                     FLAG(Number_Letter) |
+                     FLAG(Number_Other);
+    return FLAG(qGetProp(ucs)->category) & test;
+}
+
+
+/*!
+    Returns true if the character is a decimal digit
+    (Number_DecimalDigit); otherwise returns false.
+*/
+bool QChar::isDigit() const
+{
+    return (qGetProp(ucs)->category == Number_DecimalDigit);
+}
+
+
+/*!
+    Returns true if the character is a symbol (Symbol_* categories);
+    otherwise returns false.
+*/
+bool QChar::isSymbol() const
+{
+    const int test = FLAG(Symbol_Math) |
+                     FLAG(Symbol_Currency) |
+                     FLAG(Symbol_Modifier) |
+                     FLAG(Symbol_Other);
+    return FLAG(qGetProp(ucs)->category) & test;
+}
+
+/*!
+  \fn bool QChar::isHighSurrogate() const
+
+  Returns true if the QChar is the high part of a utf16 surrogate
+  (ie. if its code point is between 0xd800 and 0xdbff).
+*/
+
+/*!
+  \fn bool QChar::isLowSurrogate() const
+
+  Returns true if the QChar is the low part of a utf16 surrogate
+  (ie. if its code point is between 0xdc00 and 0xdfff).
+*/
+
+/*!
+  \fn static uint QChar::surrogateToUcs4(ushort high, ushort low)
+
+  Converts a UTF16 surrogate pair with the given \a high and \a low values
+  to its UCS-4 code point.
+*/
+
+/*!
+  \fn static uint QChar::surrogateToUcs4(QChar high, QChar low)
+
+  Converts a utf16 surrogate pair (\a high, \a low) to its ucs4 code
+  point.
+*/
+
+/*!
+  \fn static ushort QChar::highSurrogate(uint ucs4)
+
+  Returns the high surrogate value of a ucs4 code point.
+  The returned result is undefined if \a ucs4 is smaller than 0x10000.
+*/
+
+/*!
+  \fn static ushort QChar::lowSurrogate(uint ucs4)
+
+  Returns the low surrogate value of a ucs4 code point.
+  The returned result is undefined if \a ucs4 is smaller than 0x10000.
+*/
+
+/*!
+    Returns the numeric value of the digit, or -1 if the character is
+    not a digit.
+*/
+int QChar::digitValue() const
+{
+    return qGetProp(ucs)->digitValue;
+}
+
+/*!
+    \overload
+    Returns the numeric value of the digit, specified by the UCS-2-encoded
+    character, \a ucs2, or -1 if the character is not a digit.
+*/
+int QChar::digitValue(ushort ucs2)
+{
+    return qGetProp(ucs2)->digitValue;
+}
+
+/*!
+    \overload
+    Returns the numeric value of the digit specified by the UCS-4-encoded
+    character, \a ucs4, or -1 if the character is not a digit.
+*/
+int QChar::digitValue(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return 0;
+    return qGetProp(ucs4)->digitValue;
+}
+
+/*!
+    Returns the character's category.
+*/
+QChar::Category QChar::category() const
+{
+    return (QChar::Category) qGetProp(ucs)->category;
+}
+
+/*! 
+    \overload
+    \since 4.3
+    Returns the category of the UCS-4-encoded character specified by \a ucs4.
+ */
+QChar::Category QChar::category(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return QChar::NoCategory;
+    return (QChar::Category) qGetProp(ucs4)->category;
+}
+
+/*! 
+    \overload
+    Returns the category of the UCS-2-encoded character specified by \a ucs2.
+ */
+QChar::Category QChar::category(ushort ucs2)
+{
+    return (QChar::Category) qGetProp(ucs2)->category;
+}
+
+
+/*!
+    Returns the character's direction.
+*/
+QChar::Direction QChar::direction() const
+{
+    return (QChar::Direction) qGetProp(ucs)->direction;
+}
+
+/*! 
+\overload
+Returns the direction of the UCS-4-encoded character specified by \a ucs4.
+ */
+QChar::Direction QChar::direction(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return QChar::DirL;
+    return (QChar::Direction) qGetProp(ucs4)->direction;
+}
+
+/*! 
+\overload
+Returns the direction of the UCS-2-encoded character specified by \a ucs2.
+ */
+QChar::Direction QChar::direction(ushort ucs2)
+{
+    return (QChar::Direction) qGetProp(ucs2)->direction;
+}
+
+/*!
+    Returns information about the joining properties of the character
+    (needed for certain languages such as Arabic).
+*/
+QChar::Joining QChar::joining() const
+{
+    return (QChar::Joining) qGetProp(ucs)->joining;
+}
+
+/*! 
+\overload
+Returns information about the joining properties of the UCS-4-encoded
+character specified by \a ucs4 (needed for certain languages such as
+Arabic).
+ */
+QChar::Joining QChar::joining(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return QChar::OtherJoining;
+    return (QChar::Joining) qGetProp(ucs4)->joining;
+}
+
+/*! 
+\overload
+Returns information about the joining properties of the UCS-2-encoded
+character specified by \a ucs2 (needed for certain languages such as
+Arabic).
+ */
+QChar::Joining QChar::joining(ushort ucs2)
+{
+    return (QChar::Joining) qGetProp(ucs2)->joining;
+}
+
+
+/*!
+    Returns true if the character should be reversed if the text
+    direction is reversed; otherwise returns false.
+
+    Same as (ch.mirroredChar() != ch).
+
+    \sa mirroredChar()
+*/
+bool QChar::hasMirrored() const
+{
+    return qGetProp(ucs)->mirrorDiff != 0;
+}
+
+/*!
+    \fn bool QChar::isLower() const
+
+    Returns true if the character is a lowercase letter, i.e.
+    category() is Letter_Lowercase.
+
+    \sa isUpper(), toLower(), toUpper()
+*/
+
+/*!
+    \fn bool QChar::isUpper() const
+
+    Returns true if the character is an uppercase letter, i.e.
+    category() is Letter_Uppercase.
+
+    \sa isLower(), toUpper(), toLower()
+*/
+
+/*!
+    \fn bool QChar::isTitleCase() const
+    \since 4.3
+
+    Returns true if the character is a titlecase letter, i.e.
+    category() is Letter_Titlecase.
+
+    \sa isLower(), toUpper(), toLower(), toTitleCase()
+*/
+
+/*!
+    Returns the mirrored character if this character is a mirrored
+    character; otherwise returns the character itself.
+
+    \sa hasMirrored()
+*/
+QChar QChar::mirroredChar() const
+{
+    return ucs + qGetProp(ucs)->mirrorDiff;
+}
+
+/*! \overload
+Returns the mirrored character if the UCS-4-encoded character specified
+by \a ucs4 is a mirrored character; otherwise returns the character itself.
+
+\sa hasMirrored()
+ */
+uint QChar::mirroredChar(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return ucs4;
+    return ucs4 + qGetProp(ucs4)->mirrorDiff;
+}
+
+/*! 
+\overload
+Returns the mirrored character if the UCS-2-encoded character specified
+by \a ucs2 is a mirrored character; otherwise returns the character itself.
+
+\sa hasMirrored()
+ */
+ushort QChar::mirroredChar(ushort ucs2)
+{
+    return ucs2 + qGetProp(ucs2)->mirrorDiff;
+}
+
+
+enum {
+    Hangul_SBase = 0xac00,
+    Hangul_LBase = 0x1100,
+    Hangul_VBase = 0x1161,
+    Hangul_TBase = 0x11a7,
+    Hangul_SCount = 11172,
+    Hangul_LCount = 19,
+    Hangul_VCount = 21,
+    Hangul_TCount = 28,
+    Hangul_NCount = 21*28
+};
+
+// buffer has to have a length of 3. It's needed for Hangul decomposition
+static const unsigned short * QT_FASTCALL decompositionHelper
+    (uint ucs4, int *length, int *tag, unsigned short *buffer)
+{
+    *length = 0;
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return 0;
+    if (ucs4 >= Hangul_SBase && ucs4 < Hangul_SBase + Hangul_SCount) {
+        int SIndex = ucs4 - Hangul_SBase;
+        buffer[0] = Hangul_LBase + SIndex / Hangul_NCount; // L
+        buffer[1] = Hangul_VBase + (SIndex % Hangul_NCount) / Hangul_TCount; // V
+        buffer[2] = Hangul_TBase + SIndex % Hangul_TCount; // T
+        *length = buffer[2] == Hangul_TBase ? 2 : 3;
+        *tag = QChar::Canonical;
+        return buffer;
+    }
+
+    const unsigned short index = GET_DECOMPOSITION_INDEX(ucs4);
+    if (index == 0xffff)
+        return 0;
+    const unsigned short *decomposition = uc_decomposition_map+index;
+    *tag = (*decomposition) & 0xff;
+    *length = (*decomposition) >> 8;
+    return decomposition+1;
+}
+
+/*!
+    Decomposes a character into its parts. Returns an empty string if
+    no decomposition exists.
+*/
+QString QChar::decomposition() const
+{
+    return decomposition(ucs);
+}
+
+/*! 
+\overload
+Decomposes the UCS-4-encoded character specified by \a ucs4 into its
+constituent parts. Returns an empty string if no decomposition exists.
+ */
+QString QChar::decomposition(uint ucs4)
+{
+    unsigned short buffer[3];
+    int length;
+    int tag;
+    const unsigned short *d = decompositionHelper(ucs4, &length, &tag, buffer);
+    return QString::fromUtf16(d, length);
+}
+
+/*!
+    Returns the tag defining the composition of the character. Returns
+    QChar::Single if no decomposition exists.
+*/
+QChar::Decomposition QChar::decompositionTag() const
+{
+    return decompositionTag(ucs);
+}
+
+/*! 
+\overload
+Returns the tag defining the composition of the UCS-4-encoded character
+specified by \a ucs4. Returns QChar::Single if no decomposition exists.
+ */
+QChar::Decomposition QChar::decompositionTag(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return QChar::NoDecomposition;
+    const unsigned short index = GET_DECOMPOSITION_INDEX(ucs4);
+    if (index == 0xffff)
+        return QChar::NoDecomposition;
+    return (QChar::Decomposition)(uc_decomposition_map[index] & 0xff);
+}
+
+/*!
+    Returns the combining class for the character as defined in the
+    Unicode standard. This is mainly useful as a positioning hint for
+    marks attached to a base character.
+
+    The Qt text rendering engine uses this information to correctly
+    position non-spacing marks around a base character.
+*/
+unsigned char QChar::combiningClass() const
+{
+    return (unsigned char) qGetProp(ucs)->combiningClass;
+}
+
+/*! \overload
+Returns the combining class for the UCS-4-encoded character specified by
+\a ucs4, as defined in the Unicode standard.
+ */
+unsigned char QChar::combiningClass(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return 0;
+    return (unsigned char) qGetProp(ucs4)->combiningClass;
+}
+
+/*! \overload
+Returns the combining class for the UCS-2-encoded character specified by
+\a ucs2, as defined in the Unicode standard.
+ */
+unsigned char QChar::combiningClass(ushort ucs2)
+{
+    return (unsigned char) qGetProp(ucs2)->combiningClass;
+}
+
+
+/*!
+    Returns the Unicode version that introduced this character.
+*/
+QChar::UnicodeVersion QChar::unicodeVersion() const
+{
+    return (QChar::UnicodeVersion) qGetProp(ucs)->unicodeVersion;
+}
+
+/*! \overload
+Returns the Unicode version that introduced the character specified in
+its UCS-4-encoded form as \a ucs4.
+ */
+QChar::UnicodeVersion QChar::unicodeVersion(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return QChar::Unicode_Unassigned;
+    return (QChar::UnicodeVersion) qGetProp(ucs4)->unicodeVersion;
+}
+
+/*! \overload
+Returns the Unicode version that introduced the character specified in
+its UCS-2-encoded form as \a ucs2.
+ */
+QChar::UnicodeVersion QChar::unicodeVersion(ushort ucs2)
+{
+    return (QChar::UnicodeVersion) qGetProp(ucs2)->unicodeVersion;
+}
+
+
+/*!
+    Returns the lowercase equivalent if the character is uppercase or titlecase;
+    otherwise returns the character itself.
+*/
+QChar QChar::toLower() const
+{
+    const QUnicodeTables::Properties *p = qGetProp(ucs);
+    if (!p->lowerCaseSpecial)
+        return ucs + p->lowerCaseDiff;
+    return ucs;
+}
+
+/*! \overload
+Returns the lowercase equivalent of the UCS-4-encoded character specified
+by \a ucs4 if the character is uppercase or titlecase; otherwise returns
+the character itself.
+ */
+uint QChar::toLower(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return ucs4;
+    const QUnicodeTables::Properties *p = qGetProp(ucs4);
+    if (!p->lowerCaseSpecial)
+        return ucs4 + p->lowerCaseDiff;
+    return ucs4;
+}
+
+/*! \overload
+Returns the lowercase equivalent of the UCS-2-encoded character specified
+by \a ucs2 if the character is uppercase or titlecase; otherwise returns
+the character itself.
+ */
+ushort QChar::toLower(ushort ucs2)
+{
+    const QUnicodeTables::Properties *p = qGetProp(ucs2);
+    if (!p->lowerCaseSpecial)
+        return ucs2 + p->lowerCaseDiff;
+    return ucs2;
+}
+
+/*!
+    Returns the uppercase equivalent if the character is lowercase or titlecase;
+    otherwise returns the character itself.
+*/
+QChar QChar::toUpper() const
+{
+    const QUnicodeTables::Properties *p = qGetProp(ucs);
+    if (!p->upperCaseSpecial)
+        return ucs + p->upperCaseDiff;
+    return ucs;
+}
+
+/*! \overload
+Returns the uppercase equivalent of the UCS-4-encoded character specified
+by \a ucs4 if the character is lowercase or titlecase; otherwise returns
+the character itself.
+ */
+uint QChar::toUpper(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return ucs4;
+    const QUnicodeTables::Properties *p = qGetProp(ucs4);
+    if (!p->upperCaseSpecial)
+        return ucs4 + p->upperCaseDiff;
+    return ucs4;
+}
+
+/*! \overload
+Returns the uppercase equivalent of the UCS-2-encoded character specified
+by \a ucs2 if the character is lowercase or titlecase; otherwise returns
+the character itself.
+ */
+ushort QChar::toUpper(ushort ucs2)
+{
+    const QUnicodeTables::Properties *p = qGetProp(ucs2);
+    if (!p->upperCaseSpecial)
+        return ucs2 + p->upperCaseDiff;
+    return ucs2;
+}
+
+/*!
+    Returns the title case equivalent if the character is lowercase or uppercase;
+    otherwise returns the character itself.
+*/
+QChar QChar::toTitleCase() const
+{
+    const QUnicodeTables::Properties *p = qGetProp(ucs);
+    if (!p->titleCaseSpecial)
+        return ucs + p->titleCaseDiff;
+    return ucs;
+}
+
+/*!
+    \overload
+    Returns the title case equivalent of the UCS-4-encoded character specified
+    by \a ucs4 if the character is lowercase or uppercase; otherwise returns
+    the character itself.
+*/
+uint QChar::toTitleCase(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return ucs4;
+    const QUnicodeTables::Properties *p = qGetProp(ucs4);
+    if (!p->titleCaseSpecial)
+        return ucs4 + p->titleCaseDiff;
+    return ucs4;
+}
+
+/*!
+    \overload
+    Returns the title case equivalent of the UCS-2-encoded character specified
+    by \a ucs2 if the character is lowercase or uppercase; otherwise returns
+    the character itself.
+*/
+ushort QChar::toTitleCase(ushort ucs2)
+{
+    const QUnicodeTables::Properties *p = qGetProp(ucs2);
+    if (!p->titleCaseSpecial)
+        return ucs2 + p->titleCaseDiff;
+    return ucs2;
+}
+
+
+static inline uint foldCase(const ushort *ch, const ushort *start)
+{
+    uint c = *ch;
+    if (QChar(c).isLowSurrogate() && ch > start && QChar(*(ch - 1)).isHighSurrogate())
+        c = QChar::surrogateToUcs4(*(ch - 1), c);
+    return *ch + qGetProp(c)->caseFoldDiff;
+}
+
+static inline uint foldCase(uint ch, uint &last)
+{
+    uint c = ch;
+    if (QChar(c).isLowSurrogate() && QChar(last).isHighSurrogate())
+        c = QChar::surrogateToUcs4(last, c);
+    last = ch;
+    return ch + qGetProp(c)->caseFoldDiff;
+}
+
+static inline ushort foldCase(ushort ch)
+{
+    return ch + qGetProp(ch)->caseFoldDiff;
+}
+
+/*!
+    Returns the case folded equivalent of the character. For most Unicode characters this
+    is the same as toLowerCase().
+*/
+QChar QChar::toCaseFolded() const
+{
+    return ucs + qGetProp(ucs)->caseFoldDiff;
+}
+
+/*!
+    \overload
+    Returns the case folded equivalent of the UCS-4-encoded character specified
+    by \a ucs4. For most Unicode characters this is the same as toLowerCase().
+*/
+uint QChar::toCaseFolded(uint ucs4)
+{
+    if (ucs4 > LAST_UNICODE_CHAR)
+        return ucs4;
+    return ucs4 + qGetProp(ucs4)->caseFoldDiff;
+}
+
+/*!
+    \overload
+    Returns the case folded equivalent of the UCS-2-encoded character specified
+    by \a ucs2. For most Unicode characters this is the same as toLowerCase().
+*/
+ushort QChar::toCaseFolded(ushort ucs2)
+{
+    return ucs2 + qGetProp(ucs2)->caseFoldDiff;
+}
+
+
+/*!
+    \fn char QChar::latin1() const
+
+    Use toLatin1() instead.
+*/
+
+/*!
+    \fn char QChar::ascii() const
+
+    Use toAscii() instead.
+*/
+
+/*!
+    \fn char QChar::toLatin1() const
+
+    Returns the Latin-1 character equivalent to the QChar, or 0. This
+    is mainly useful for non-internationalized software.
+
+    \sa toAscii(), unicode(), QTextCodec::codecForCStrings()
+*/
+
+/*!
+    \fn char QChar::toAscii() const
+    Returns the character value of the QChar obtained using the current
+    codec used to read C strings, or 0 if the character is not representable
+    using this codec. The default codec handles Latin-1 encoded text,
+    but this can be changed to assist developers writing source code using
+    other encodings.
+
+    The main purpose of this function is to preserve ASCII characters used
+    in C strings. This is mainly useful for developers of non-internationalized
+    software.
+
+    \sa toLatin1(), unicode(), QTextCodec::codecForCStrings()
+*/
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+const char QChar::toAscii() const
+#else
+char QChar::toAscii() const
+#endif
+{
+#ifndef QT_NO_CODEC_FOR_C_STRINGS
+    if (QTextCodec::codecForCStrings())
+        // #####
+        return QTextCodec::codecForCStrings()->fromUnicode(QString(*this)).at(0);
+#endif
+    return ucs > 0xff ? 0 : char(ucs);
+}
+
+/*!
+    \fn QChar QChar::fromLatin1(char c)
+
+    Converts the Latin-1 character \a c to its equivalent QChar. This
+    is mainly useful for non-internationalized software.
+
+    \sa fromAscii(), unicode(), QTextCodec::codecForCStrings()
+*/
+
+/*!
+    Converts the ASCII character \a c to its equivalent QChar. This
+    is mainly useful for non-internationalized software.
+
+    An alternative is to use QLatin1Char.
+
+    \sa fromLatin1(), unicode(), QTextCodec::codecForCStrings()
+*/
+QChar QChar::fromAscii(char c)
+{
+#ifndef QT_NO_CODEC_FOR_C_STRINGS
+    if (QTextCodec::codecForCStrings())
+        // #####
+        return QTextCodec::codecForCStrings()->toUnicode(&c, 1).at(0).unicode();
+#endif
+    return QChar(ushort((uchar)c));
+}
+
+#ifndef QT_NO_DATASTREAM
+/*!
+  \relates QChar
+
+  Writes the char \a chr to the stream \a out.
+
+  \sa {Format of the QDataStream operators}
+ */
+
+QDataStream &operator<<(QDataStream &out, const QChar &chr)
+{
+    out << quint16(chr.unicode());
+    return out;
+}
+
+
+/*!
+  \relates QChar
+
+  Reads a char from the stream \a in into char \a chr.
+
+  \sa {Format of the QDataStream operators}
+ */
+
+QDataStream &operator>>(QDataStream &in, QChar &chr)
+{
+    quint16 u;
+    in >> u;
+    chr.unicode() = ushort(u);
+    return in;
+}
+#endif
+
+/*!
+    \fn ushort & QChar::unicode()
+
+    Returns a reference to the numeric Unicode value of the QChar.
+*/
+
+/*!
+    \fn ushort QChar::unicode() const
+
+    \overload
+*/
+
+/*****************************************************************************
+  Documentation of QChar related functions
+ *****************************************************************************/
+
+/*!
+    \fn bool operator==(QChar c1, QChar c2)
+
+    \relates QChar
+
+    Returns true if \a c1 and \a c2 are the same Unicode character;
+    otherwise returns false.
+*/
+
+/*!
+    \fn int operator!=(QChar c1, QChar c2)
+
+    \relates QChar
+
+    Returns true if \a c1 and \a c2 are not the same Unicode
+    character; otherwise returns false.
+*/
+
+/*!
+    \fn int operator<=(QChar c1, QChar c2)
+
+    \relates QChar
+
+    Returns true if the numeric Unicode value of \a c1 is less than
+    or equal to that of \a c2; otherwise returns false.
+*/
+
+/*!
+    \fn int operator>=(QChar c1, QChar c2)
+
+    \relates QChar
+
+    Returns true if the numeric Unicode value of \a c1 is greater than
+    or equal to that of \a c2; otherwise returns false.
+*/
+
+/*!
+    \fn int operator<(QChar c1, QChar c2)
+
+    \relates QChar
+
+    Returns true if the numeric Unicode value of \a c1 is less than
+    that of \a c2; otherwise returns false.
+*/
+
+/*!
+    \fn int operator>(QChar c1, QChar c2)
+
+    \relates QChar
+
+    Returns true if the numeric Unicode value of \a c1 is greater than
+    that of \a c2; otherwise returns false.
+*/
+
+/*!
+    \fn bool QChar::mirrored() const
+
+    Use hasMirrored() instead.
+*/
+
+/*!
+    \fn QChar QChar::lower() const
+
+    Use toLower() instead.
+*/
+
+/*!
+    \fn QChar QChar::upper() const
+
+    Use toUpper() instead.
+*/
+
+/*!
+    \fn bool QChar::networkOrdered()
+
+    See if QSysInfo::ByteOrder == QSysInfo::BigEndian instead.
+*/
+
+
+// ---------------------------------------------------------------------------
+
+
+static QString decomposeHelper
+    (const QString &str, bool canonical, QChar::UnicodeVersion version)
+{
+    unsigned short buffer[3];
+
+    QString s = str;
+
+    const unsigned short *utf16 = s.utf16();
+    const unsigned short *uc = utf16 + s.length();
+    while (uc != utf16) {
+        uint ucs4 = *(--uc);
+        if (QChar(ucs4).isLowSurrogate() && uc != utf16) {
+            ushort high = *(uc - 1);
+            if (QChar(high).isHighSurrogate()) {
+                --uc;
+                ucs4 = QChar::surrogateToUcs4(high, ucs4);
+            }
+        }
+        if (QChar::unicodeVersion(ucs4) > version)
+            continue;
+        int length;
+        int tag;
+        const unsigned short *d = decompositionHelper(ucs4, &length, &tag, buffer);
+        if (!d || (canonical && tag != QChar::Canonical))
+            continue;
+
+        s.replace(uc - utf16, ucs4 > 0x10000 ? 2 : 1, (const QChar *)d, length);
+        // since the insert invalidates the pointers and we do decomposition recursive
+        int pos = uc - utf16;
+        utf16 = s.utf16();
+        uc = utf16 + pos + length;
+    }
+
+    return s;
+}
+
+
+static ushort ligatureHelper(ushort u1, ushort u2)
+{
+    // hangul L-V pair
+    int LIndex = u1 - Hangul_LBase;
+    if (0 <= LIndex && LIndex < Hangul_LCount) {
+        int VIndex = u2 - Hangul_VBase;
+        if (0 <= VIndex && VIndex < Hangul_VCount)
+            return Hangul_SBase + (LIndex * Hangul_VCount + VIndex) * Hangul_TCount;
+    }
+
+    // hangul LV-T pair
+    int SIndex = u1 - Hangul_SBase;
+    if (0 <= SIndex && SIndex < Hangul_SCount && (SIndex % Hangul_TCount) == 0) {
+        int TIndex = u2 - Hangul_TBase;
+        if (0 <= TIndex && TIndex <= Hangul_TCount)
+            return u1 + TIndex;
+    }
+
+    const unsigned short index = GET_LIGATURE_INDEX(u2);
+    if (index == 0xffff)
+        return 0;
+    const unsigned short *ligatures = uc_ligature_map+index;
+    ushort length = *ligatures;
+    ++ligatures;
+    // ### use bsearch
+    for (uint i = 0; i < length; ++i)
+        if (ligatures[2*i] == u1)
+            return ligatures[2*i+1];
+    return 0;
+}
+
+static QString composeHelper(const QString &str)
+{
+    QString s = str;
+
+    if (s.length() < 2)
+        return s;
+
+    // the loop can partly ignore high Unicode as all ligatures are in the BMP
+    int starter = 0;
+    int lastCombining = 0;
+    int pos = 0;
+    while (pos < s.length()) {
+        uint uc = s.utf16()[pos];
+        if (QChar(uc).isHighSurrogate() && pos < s.length()-1) {
+            ushort low = s.utf16()[pos+1];
+            if (QChar(low).isLowSurrogate()) {
+                uc = QChar::surrogateToUcs4(uc, low);
+                ++pos;
+            }
+        }
+        int combining = QChar::combiningClass(uc);
+        if (starter == pos - 1 || combining > lastCombining) {
+            // allowed to form ligature with S
+            QChar ligature = ligatureHelper(s.utf16()[starter], uc);
+            if (ligature.unicode()) {
+                s[starter] = ligature;
+                s.remove(pos, 1);
+                continue;
+            }
+        }
+        if (!combining)
+            starter = pos;
+        lastCombining = combining;
+        ++pos;
+    }
+    return s;
+}
+
+
+static QString canonicalOrderHelper
+    (const QString &str, QChar::UnicodeVersion version)
+{
+    QString s = str;
+    const int l = s.length()-1;
+    int pos = 0;
+    while (pos < l) {
+        int p2 = pos+1;
+        uint u1 = s.at(pos).unicode();
+        if (QChar(u1).isHighSurrogate()) {
+            ushort low = s.at(pos+1).unicode();
+            if (QChar(low).isLowSurrogate()) {
+                p2++;
+                u1 = QChar::surrogateToUcs4(u1, low);
+                if (p2 >= l)
+                    break;
+            }
+        }
+        uint u2 = s.at(p2).unicode();
+        if (QChar(u2).isHighSurrogate() && p2 < l-1) {
+            ushort low = s.at(p2+1).unicode();
+            if (QChar(low).isLowSurrogate()) {
+                p2++;
+                u2 = QChar::surrogateToUcs4(u2, low);
+            }
+        }
+
+        int c2 = QChar::combiningClass(u2);
+        if (QChar::unicodeVersion(u2) > version)
+            c2 = 0;
+
+        if (c2 == 0) {
+            pos = p2+1;
+            continue;
+        }
+        int c1 = QChar::combiningClass(u1);
+        if (QChar::unicodeVersion(u1) > version)
+            c1 = 0;
+
+        if (c1 > c2) {
+            QChar *uc = s.data();
+            int p = pos;
+            // exchange characters
+            if (u2 < 0x10000) {
+                uc[p++] = u2;
+            } else {
+                uc[p++] = QChar::highSurrogate(u2);
+                uc[p++] = QChar::lowSurrogate(u2);
+            }
+            if (u1 < 0x10000) {
+                uc[p++] = u1;
+            } else {
+                uc[p++] = QChar::highSurrogate(u1);
+                uc[p++] = QChar::lowSurrogate(u1);
+            }
+            if (pos > 0)
+                --pos;
+            if (pos > 0 && s.at(pos).isLowSurrogate())
+                --pos;
+        } else {
+            ++pos;
+            if (u1 > 0x10000)
+                ++pos;
+        }
+    }
+    return s;
+}
+
+int QT_FASTCALL QUnicodeTables::script(unsigned int uc)
+{
+    if (uc > 0xffff)
+        return Common;
+    int script = uc_scripts[uc >> 7];
+    if (script < ScriptSentinel)
+        return script;
+    script = (((script - ScriptSentinel) * UnicodeBlockSize) + UnicodeBlockCount);
+    script = uc_scripts[script + (uc & 0x7f)];
+    return script;
+}
+
+
+Q_CORE_EXPORT QUnicodeTables::LineBreakClass QT_FASTCALL QUnicodeTables::lineBreakClass(uint ucs4)
+{
+    return (QUnicodeTables::LineBreakClass) qGetProp(ucs4)->line_break_class;
+}
+
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qchar.h b/src/corelib/tools/qchar.h
new file mode 100644
index 0000000000..ccf7e87627
--- /dev/null
+++ b/src/corelib/tools/qchar.h
@@ -0,0 +1,397 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCHAR_H
+#define QCHAR_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QString;
+
+struct QLatin1Char
+{
+public:
+    inline explicit QLatin1Char(char c) : ch(c) {}
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+    inline const char toLatin1() const { return ch; }
+    inline const ushort unicode() const { return ushort(uchar(ch)); }
+#else
+    inline char toLatin1() const { return ch; }
+    inline ushort unicode() const { return ushort(uchar(ch)); }
+#endif
+
+private:
+    char ch;
+};
+
+
+class Q_CORE_EXPORT QChar {
+public:
+    QChar();
+#ifndef QT_NO_CAST_FROM_ASCII
+    QT_ASCII_CAST_WARN_CONSTRUCTOR QChar(char c);
+    QT_ASCII_CAST_WARN_CONSTRUCTOR QChar(uchar c);
+#endif
+    QChar(QLatin1Char ch);
+    QChar(uchar c, uchar r);
+    inline QChar(ushort rc) : ucs(rc){}
+    QChar(short rc);
+    QChar(uint rc);
+    QChar(int rc);
+    enum SpecialCharacter {
+        Null = 0x0000,
+        Nbsp = 0x00a0,
+        ReplacementCharacter = 0xfffd,
+        ObjectReplacementCharacter = 0xfffc,
+        ByteOrderMark = 0xfeff,
+        ByteOrderSwapped = 0xfffe,
+#ifdef QT3_SUPPORT
+        null = Null,
+        replacement = ReplacementCharacter,
+        byteOrderMark = ByteOrderMark,
+        byteOrderSwapped = ByteOrderSwapped,
+        nbsp = Nbsp,
+#endif
+        ParagraphSeparator = 0x2029,
+        LineSeparator = 0x2028
+    };
+    QChar(SpecialCharacter sc);
+
+    // Unicode information
+
+    enum Category
+    {
+        NoCategory,
+
+        Mark_NonSpacing,          //   Mn
+        Mark_SpacingCombining,    //   Mc
+        Mark_Enclosing,           //   Me
+
+        Number_DecimalDigit,      //   Nd
+        Number_Letter,            //   Nl
+        Number_Other,             //   No
+
+        Separator_Space,          //   Zs
+        Separator_Line,           //   Zl
+        Separator_Paragraph,      //   Zp
+
+        Other_Control,            //   Cc
+        Other_Format,             //   Cf
+        Other_Surrogate,          //   Cs
+        Other_PrivateUse,         //   Co
+        Other_NotAssigned,        //   Cn
+
+        Letter_Uppercase,         //   Lu
+        Letter_Lowercase,         //   Ll
+        Letter_Titlecase,         //   Lt
+        Letter_Modifier,          //   Lm
+        Letter_Other,             //   Lo
+
+        Punctuation_Connector,    //   Pc
+        Punctuation_Dash,         //   Pd
+        Punctuation_Open,         //   Ps
+        Punctuation_Close,        //   Pe
+        Punctuation_InitialQuote, //   Pi
+        Punctuation_FinalQuote,   //   Pf
+        Punctuation_Other,        //   Po
+
+        Symbol_Math,              //   Sm
+        Symbol_Currency,          //   Sc
+        Symbol_Modifier,          //   Sk
+        Symbol_Other,             //   So
+
+        Punctuation_Dask = Punctuation_Dash // oops
+    };
+
+    enum Direction
+    {
+        DirL, DirR, DirEN, DirES, DirET, DirAN, DirCS, DirB, DirS, DirWS, DirON,
+        DirLRE, DirLRO, DirAL, DirRLE, DirRLO, DirPDF, DirNSM, DirBN
+    };
+
+    enum Decomposition
+    {
+        NoDecomposition,
+        Canonical,
+        Font,
+        NoBreak,
+        Initial,
+        Medial,
+        Final,
+        Isolated,
+        Circle,
+        Super,
+        Sub,
+        Vertical,
+        Wide,
+        Narrow,
+        Small,
+        Square,
+        Compat,
+        Fraction
+
+#ifdef QT3_SUPPORT
+        , Single = NoDecomposition
+#endif
+    };
+
+    enum Joining
+    {
+        OtherJoining, Dual, Right, Center
+    };
+
+    enum CombiningClass
+    {
+        Combining_BelowLeftAttached       = 200,
+        Combining_BelowAttached           = 202,
+        Combining_BelowRightAttached      = 204,
+        Combining_LeftAttached            = 208,
+        Combining_RightAttached           = 210,
+        Combining_AboveLeftAttached       = 212,
+        Combining_AboveAttached           = 214,
+        Combining_AboveRightAttached      = 216,
+
+        Combining_BelowLeft               = 218,
+        Combining_Below                   = 220,
+        Combining_BelowRight              = 222,
+        Combining_Left                    = 224,
+        Combining_Right                   = 226,
+        Combining_AboveLeft               = 228,
+        Combining_Above                   = 230,
+        Combining_AboveRight              = 232,
+
+        Combining_DoubleBelow             = 233,
+        Combining_DoubleAbove             = 234,
+        Combining_IotaSubscript           = 240
+    };
+
+    enum UnicodeVersion {
+        Unicode_Unassigned,
+        Unicode_1_1,
+        Unicode_2_0,
+        Unicode_2_1_2,
+        Unicode_3_0,
+        Unicode_3_1,
+        Unicode_3_2,
+        Unicode_4_0,
+        Unicode_4_1,
+        Unicode_5_0
+    };
+    // ****** WHEN ADDING FUNCTIONS, CONSIDER ADDING TO QCharRef TOO
+
+    Category category() const;
+    Direction direction() const;
+    Joining joining() const;
+    bool hasMirrored() const;
+    unsigned char combiningClass() const;
+
+    QChar mirroredChar() const;
+    QString decomposition() const;
+    Decomposition decompositionTag() const;
+
+    int digitValue() const;
+    QChar toLower() const;
+    QChar toUpper() const;
+    QChar toTitleCase() const;
+    QChar toCaseFolded() const;
+
+    UnicodeVersion unicodeVersion() const;
+
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+    const char toAscii() const;
+    inline const char toLatin1() const;
+    inline const ushort unicode() const { return ucs; }
+#else
+    char toAscii() const;
+    inline char toLatin1() const;
+    inline ushort unicode() const { return ucs; }
+#endif
+#ifdef Q_NO_PACKED_REFERENCE
+    inline ushort &unicode() { return const_cast<ushort&>(ucs); }
+#else
+    inline ushort &unicode() { return ucs; }
+#endif
+
+    static QChar fromAscii(char c);
+    static QChar fromLatin1(char c);
+
+    inline bool isNull() const { return ucs == 0; }
+    bool isPrint() const;
+    bool isPunct() const;
+    bool isSpace() const;
+    bool isMark() const;
+    bool isLetter() const;
+    bool isNumber() const;
+    bool isLetterOrNumber() const;
+    bool isDigit() const;
+    bool isSymbol() const;
+    inline bool isLower() const { return category() == Letter_Lowercase; }
+    inline bool isUpper() const { return category() == Letter_Uppercase; }
+    inline bool isTitleCase() const { return category() == Letter_Titlecase; }
+
+    inline bool isHighSurrogate() const {
+        return ((ucs & 0xfc00) == 0xd800);
+    }
+    inline bool isLowSurrogate() const {
+        return ((ucs & 0xfc00) == 0xdc00);
+    }
+
+    inline uchar cell() const { return uchar(ucs & 0xff); }
+    inline uchar row() const { return uchar((ucs>>8)&0xff); }
+    inline void setCell(uchar cell);
+    inline void setRow(uchar row);
+
+    static inline uint surrogateToUcs4(ushort high, ushort low) {
+        return (uint(high)<<10) + low - 0x35fdc00;
+    }
+    static inline uint surrogateToUcs4(QChar high, QChar low) {
+        return (uint(high.ucs)<<10) + low.ucs - 0x35fdc00;
+    }
+    static inline ushort highSurrogate(uint ucs4) {
+        return (ucs4>>10) + 0xd7c0;
+    }
+    static inline ushort lowSurrogate(uint ucs4) {
+        return ucs4%0x400 + 0xdc00;
+    }
+
+    static Category QT_FASTCALL category(uint ucs4);
+    static Category QT_FASTCALL category(ushort ucs2);
+    static Direction QT_FASTCALL direction(uint ucs4);
+    static Direction QT_FASTCALL direction(ushort ucs2);
+    static Joining QT_FASTCALL joining(uint ucs4);
+    static Joining QT_FASTCALL joining(ushort ucs2);
+    static unsigned char QT_FASTCALL combiningClass(uint ucs4);
+    static unsigned char QT_FASTCALL combiningClass(ushort ucs2);
+
+    static uint QT_FASTCALL mirroredChar(uint ucs4);
+    static ushort QT_FASTCALL mirroredChar(ushort ucs2);
+    static Decomposition QT_FASTCALL decompositionTag(uint ucs4);
+
+    static int QT_FASTCALL digitValue(uint ucs4);
+    static int QT_FASTCALL digitValue(ushort ucs2);
+    static uint QT_FASTCALL toLower(uint ucs4);
+    static ushort QT_FASTCALL toLower(ushort ucs2);
+    static uint QT_FASTCALL toUpper(uint ucs4);
+    static ushort QT_FASTCALL toUpper(ushort ucs2);
+    static uint QT_FASTCALL toTitleCase(uint ucs4);
+    static ushort QT_FASTCALL toTitleCase(ushort ucs2);
+    static uint QT_FASTCALL toCaseFolded(uint ucs4);
+    static ushort QT_FASTCALL toCaseFolded(ushort ucs2);
+
+    static UnicodeVersion QT_FASTCALL unicodeVersion(uint ucs4);
+    static UnicodeVersion QT_FASTCALL unicodeVersion(ushort ucs2);
+
+    static QString QT_FASTCALL decomposition(uint ucs4);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT bool mirrored() const { return hasMirrored(); }
+    inline QT3_SUPPORT QChar lower() const { return toLower(); }
+    inline QT3_SUPPORT QChar upper() const { return toUpper(); }
+    static inline QT3_SUPPORT bool networkOrdered() {
+        return QSysInfo::ByteOrder == QSysInfo::BigEndian;
+    }
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+    inline QT3_SUPPORT const char latin1() const { return toLatin1(); }
+    inline QT3_SUPPORT const char ascii() const { return toAscii(); }
+#else
+    inline QT3_SUPPORT char latin1() const { return toLatin1(); }
+    inline QT3_SUPPORT char ascii() const { return toAscii(); }
+#endif
+#endif
+
+private:
+#ifdef QT_NO_CAST_FROM_ASCII
+    QChar(char c);
+    QChar(uchar c);
+#endif
+    ushort ucs;
+}
+#if (defined(__arm__) || defined(__ARMEL__))
+    Q_PACKED
+#endif
+    ;
+
+Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
+
+inline QChar::QChar() : ucs(0) {}
+
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+inline const char QChar::toLatin1() const { return ucs > 0xff ? '\0' : char(ucs); }
+#else
+inline char QChar::toLatin1() const { return ucs > 0xff ? '\0' : char(ucs); }
+#endif
+inline QChar QChar::fromLatin1(char c) { return QChar(ushort(uchar(c))); }
+
+inline QChar::QChar(uchar c, uchar r) : ucs((r << 8) | c){}
+inline QChar::QChar(short rc) : ucs(ushort(rc)){}
+inline QChar::QChar(uint rc) : ucs(ushort(rc & 0xffff)){}
+inline QChar::QChar(int rc) : ucs(ushort(rc & 0xffff)){}
+inline QChar::QChar(SpecialCharacter s) : ucs(ushort(s)) {}
+inline QChar::QChar(QLatin1Char ch) : ucs(ch.unicode()) {}
+
+inline void QChar::setCell(uchar acell)
+{ ucs = (ucs & 0xff00) + acell; }
+inline void QChar::setRow(uchar arow)
+{ ucs = (ushort(arow)<<8) + (ucs&0xff); }
+
+inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
+inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
+inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
+inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
+inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
+inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QChar &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QChar &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QCHAR_H
diff --git a/src/corelib/tools/qcontainerfwd.h b/src/corelib/tools/qcontainerfwd.h
new file mode 100644
index 0000000000..8af9557aaa
--- /dev/null
+++ b/src/corelib/tools/qcontainerfwd.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCONTAINERFWD_H
+#define QCONTAINERFWD_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <class Key, class T> class QCache;
+template <class Key, class T> class QHash;
+template <class T> class QLinkedList;
+template <class T> class QList;
+template <class Key, class T> class QMap;
+template <class Key, class T> class QMultiHash;
+template <class Key, class T> class QMultiMap;
+template <class T1, class T2> struct QPair;
+template <class T> class QQueue;
+template <class T> class QSet;
+template <class T> class QStack;
+template<class T, int Prealloc = 256> class QVarLengthArray;
+template <class T> class QVector;
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QCONTAINERFWD_H
diff --git a/src/corelib/tools/qcryptographichash.cpp b/src/corelib/tools/qcryptographichash.cpp
new file mode 100644
index 0000000000..723262627b
--- /dev/null
+++ b/src/corelib/tools/qcryptographichash.cpp
@@ -0,0 +1,196 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qcryptographichash.h>
+
+#include "../../3rdparty/md5/md5.h"
+#include "../../3rdparty/md5/md5.cpp"
+#include "../../3rdparty/md4/md4.h"
+#include "../../3rdparty/md4/md4.cpp"
+#include "../../3rdparty/sha1/sha1.cpp"
+
+
+QT_BEGIN_NAMESPACE
+
+class QCryptographicHashPrivate
+{
+public:
+    QCryptographicHash::Algorithm method;
+    union {
+        MD5Context md5Context;
+        md4_context md4Context;
+        Sha1State sha1Context;
+    };
+    QByteArray result;
+};
+
+/*!
+  \class QCryptographicHash
+
+  \brief The QCryptographicHash class provides a way to generate cryptographic hashes.
+
+  \since 4.3
+
+  \ingroup tools
+  \reentrant
+
+  QCryptographicHash can be used to generate cryptographic hashes of binary or text data.
+
+  Currently MD4, MD5, and SHA1 are supported.
+*/
+
+/*!
+  \enum QCryptographicHash::Algorithm
+
+  \value Md4 Generate an MD4 hash sum
+  \value Md5 Generate an MD5 hash sum
+  \value Sha1 Generate an SHA1 hash sum
+*/
+
+/*!
+  Constructs an object that can be used to create a cryptographic hash from data using \a method.
+*/
+QCryptographicHash::QCryptographicHash(Algorithm method)
+    : d(new QCryptographicHashPrivate)
+{
+    d->method = method;
+    reset();
+}
+
+/*!
+  Destroys the object.
+*/
+QCryptographicHash::~QCryptographicHash()
+{
+    delete d;
+}
+
+/*!
+  Resets the object.
+*/
+void QCryptographicHash::reset()
+{
+    switch (d->method) {
+    case Md4:
+        md4_init(&d->md4Context);
+        break;
+    case Md5:
+        MD5Init(&d->md5Context);
+        break;
+    case Sha1:
+        sha1InitState(&d->sha1Context);
+        break;
+    }
+    d->result.clear();
+}
+
+/*!
+    Adds the first \a length chars of \a data to the cryptographic
+    hash.
+*/
+void QCryptographicHash::addData(const char *data, int length)
+{
+    switch (d->method) {
+    case Md4:
+        md4_update(&d->md4Context, (const unsigned char *)data, length);
+        break;
+    case Md5:
+        MD5Update(&d->md5Context, (const unsigned char *)data, length);
+        break;
+    case Sha1:
+        sha1Update(&d->sha1Context, (const unsigned char *)data, length);
+        break;
+    }    
+    d->result.clear();
+}
+
+/*!
+  /overload
+*/
+void QCryptographicHash::addData(const QByteArray &data)
+{
+    addData(data.constData(), data.length());
+}
+
+/*!
+  Returns the final hash value.
+
+  \sa QByteArray::toHex()
+*/
+QByteArray QCryptographicHash::result() const
+{
+    if (!d->result.isEmpty()) 
+        return d->result;
+
+    switch (d->method) {
+    case Md4: {
+        md4_context copy = d->md4Context;
+        d->result.resize(MD4_RESULTLEN);
+        md4_final(&copy, (unsigned char *)d->result.data());
+        break;
+    }
+    case Md5: {
+        MD5Context copy = d->md5Context;
+        d->result.resize(16);
+        MD5Final(&copy, (unsigned char *)d->result.data());
+        break;
+    }
+    case Sha1: {
+        Sha1State copy = d->sha1Context;
+        d->result.resize(20);
+        sha1FinalizeState(&copy);
+        sha1ToHash(&copy, (unsigned char *)d->result.data());
+    }
+    }
+    return d->result;
+}
+
+/*!
+  Returns the hash of \a data using \a method.
+*/
+QByteArray QCryptographicHash::hash(const QByteArray &data, Algorithm method)
+{
+    QCryptographicHash hash(method);
+    hash.addData(data);
+    return hash.result();
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qcryptographichash.h b/src/corelib/tools/qcryptographichash.h
new file mode 100644
index 0000000000..ab549e650c
--- /dev/null
+++ b/src/corelib/tools/qcryptographichash.h
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCRYPTOGRAPHICSHASH_H
+#define QCRYPTOGRAPHICSHASH_H
+
+#include <QtCore/qbytearray.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QCryptographicHashPrivate;
+
+class Q_CORE_EXPORT QCryptographicHash
+{
+public:
+    enum Algorithm {
+        Md4,
+        Md5,
+        Sha1
+    };
+
+    QCryptographicHash(Algorithm method);
+    ~QCryptographicHash();
+
+    void reset();
+
+    void addData(const char *data, int length);
+    void addData(const QByteArray &data);
+
+    QByteArray result() const;
+
+    static QByteArray hash(const QByteArray &data, Algorithm method);
+private:
+    Q_DISABLE_COPY(QCryptographicHash)
+    QCryptographicHashPrivate *d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp
new file mode 100644
index 0000000000..781514c811
--- /dev/null
+++ b/src/corelib/tools/qdatetime.cpp
@@ -0,0 +1,5506 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "private/qdatetime_p.h"
+
+#include "qdatastream.h"
+#include "qset.h"
+#include "qlocale.h"
+#include "qdatetime.h"
+#include "qregexp.h"
+#include "qdebug.h"
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+#include <windows.h>
+#endif
+#ifndef Q_WS_WIN
+#include <locale.h>
+#endif
+
+#include <time.h>
+#if defined(Q_OS_WINCE)
+#include "qfunctions_wince.h"
+#endif
+
+//#define QDATETIMEPARSER_DEBUG
+#if defined (QDATETIMEPARSER_DEBUG) && !defined(QT_NO_DEBUG_STREAM)
+#  define QDTPDEBUG qDebug() << QString("%1:%2").arg(__FILE__).arg(__LINE__)
+#  define QDTPDEBUGN qDebug
+#else
+#  define QDTPDEBUG if (false) qDebug()
+#  define QDTPDEBUGN if (false) qDebug
+#endif
+
+#if defined(Q_WS_MAC)
+#include <private/qcore_mac_p.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+enum {
+    FIRST_YEAR = -4713,
+    FIRST_MONTH = 1,
+    FIRST_DAY = 2,  // ### Qt 5: make FIRST_DAY = 1, by support jd == 0 as valid
+    SECS_PER_DAY = 86400,
+    MSECS_PER_DAY = 86400000,
+    SECS_PER_HOUR = 3600,
+    MSECS_PER_HOUR = 3600000,
+    SECS_PER_MIN = 60,
+    MSECS_PER_MIN = 60000
+};
+
+static inline QDate fixedDate(int y, int m, int d)
+{
+    QDate result(y, m, 1);
+    result.setDate(y, m, qMin(d, result.daysInMonth()));
+    return result;
+}
+
+static uint julianDayFromDate(int year, int month, int day)
+{
+    if (year < 0)
+        ++year;
+
+    if (year > 1582 || (year == 1582 && (month > 10 || (month == 10 && day >= 15)))) {
+        // Gregorian calendar starting from October 15, 1582
+        // Algorithm from Henry F. Fliegel and Thomas C. Van Flandern
+        return (1461 * (year + 4800 + (month - 14) / 12)) / 4
+               + (367 * (month - 2 - 12 * ((month - 14) / 12))) / 12
+               - (3 * ((year + 4900 + (month - 14) / 12) / 100)) / 4
+               + day - 32075;
+    } else if (year < 1582 || (year == 1582 && (month < 10 || (month == 10 && day <= 4)))) {
+        // Julian calendar until October 4, 1582
+        // Algorithm from Frequently Asked Questions about Calendars by Claus Toendering
+        int a = (14 - month) / 12;
+        return (153 * (month + (12 * a) - 3) + 2) / 5
+               + (1461 * (year + 4800 - a)) / 4
+               + day - 32083;
+    } else {
+        // the day following October 4, 1582 is October 15, 1582
+        return 0;
+    }
+}
+
+static void getDateFromJulianDay(uint julianDay, int *year, int *month, int *day)
+{
+    int y, m, d;
+
+    if (julianDay >= 2299161) {
+        // Gregorian calendar starting from October 15, 1582
+        // This algorithm is from Henry F. Fliegel and Thomas C. Van Flandern
+        qulonglong ell, n, i, j;
+        ell = qulonglong(julianDay) + 68569;
+        n = (4 * ell) / 146097;
+        ell = ell - (146097 * n + 3) / 4;
+        i = (4000 * (ell + 1)) / 1461001;
+        ell = ell - (1461 * i) / 4 + 31;
+        j = (80 * ell) / 2447;
+        d = ell - (2447 * j) / 80;
+        ell = j / 11;
+        m = j + 2 - (12 * ell);
+        y = 100 * (n - 49) + i + ell;
+    } else {
+        // Julian calendar until October 4, 1582
+        // Algorithm from Frequently Asked Questions about Calendars by Claus Toendering
+        julianDay += 32082;
+        int dd = (4 * julianDay + 3) / 1461;
+        int ee = julianDay - (1461 * dd) / 4;
+        int mm = ((5 * ee) + 2) / 153;
+        d = ee - (153 * mm + 2) / 5 + 1;
+        m = mm + 3 - 12 * (mm / 10);
+        y = dd - 4800 + (mm / 10);
+        if (y <= 0)
+            --y;
+    }
+    if (year)
+        *year = y;
+    if (month)
+        *month = m;
+    if (day)
+        *day = d;
+}
+
+
+static const char monthDays[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+
+#ifndef QT_NO_TEXTDATE
+static const char * const qt_shortMonthNames[] = {
+    "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+#endif
+#ifndef QT_NO_DATESTRING
+static QString fmtDateTime(const QString& f, const QTime* dt = 0, const QDate* dd = 0);
+#endif
+
+/*****************************************************************************
+  QDate member functions
+ *****************************************************************************/
+
+/*!
+    \since 4.5
+
+    \enum QDate::MonthNameType
+
+    This enum describes the types of the string representation used
+    for the month name.
+
+    \value DateFormat This type of name can be used for date-to-string formatting.
+    \value StandaloneFormat This type is used when you need to enumerate months or weekdays.
+           Usually standalone names are represented in singular forms with
+           capitalized first letter.
+*/
+
+/*!
+    \class QDate
+    \reentrant
+    \brief The QDate class provides date functions.
+
+    \ingroup time
+    \mainclass
+
+    A QDate object contains a calendar date, i.e. year, month, and day
+    numbers, in the Gregorian calendar. (see \l{QDate G and J} {Use of
+    Gregorian and Julian Calendars} for dates prior to 15 October
+    1582). It can read the current date from the system clock. It
+    provides functions for comparing dates, and for manipulating
+    dates. For example, it is possible to add and subtract days,
+    months, and years to dates.
+
+    A QDate object is typically created either by giving the year,
+    month, and day numbers explicitly. Note that QDate interprets two
+    digit years as is, i.e., years 0 - 99. A QDate can also be
+    constructed with the static function currentDate(), which creates
+    a QDate object containing the system clock's date.  An explicit
+    date can also be set using setDate(). The fromString() function
+    returns a QDate given a string and a date format which is used to
+    interpret the date within the string.
+
+    The year(), month(), and day() functions provide access to the
+    year, month, and day numbers. Also, dayOfWeek() and dayOfYear()
+    functions are provided. The same information is provided in
+    textual format by the toString(), shortDayName(), longDayName(),
+    shortMonthName(), and longMonthName() functions.
+
+    QDate provides a full set of operators to compare two QDate
+    objects where smaller means earlier, and larger means later.
+
+    You can increment (or decrement) a date by a given number of days
+    using addDays(). Similarly you can use addMonths() and addYears().
+    The daysTo() function returns the number of days between two
+    dates.
+
+    The daysInMonth() and daysInYear() functions return how many days
+    there are in this date's month and year, respectively. The
+    isLeapYear() function indicates whether a date is in a leap year.
+
+    \section1
+
+    \target QDate G and J
+    \section2 Use of Gregorian and Julian Calendars
+
+    QDate uses the Gregorian calendar in all locales, beginning
+    on the date 15 October 1582. For dates up to and including 4
+    October 1582, the Julian calendar is used.  This means there is a
+    10-day gap in the internal calendar between the 4th and the 15th
+    of October 1582. When you use QDateTime for dates in that epoch,
+    the day after 4 October 1582 is 15 October 1582, and the dates in
+    the gap are invalid.
+
+    The Julian to Gregorian changeover date used here is the date when
+    the Gregorian calendar was first introduced, by Pope Gregory
+    XIII. That change was not universally accepted and some localities
+    only executed it at a later date (if at all).  QDateTime
+    doesn't take any of these historical facts into account. If an
+    application must support a locale-specific dating system, it must
+    do so on its own, remembering to convert the dates using the
+    Julian day.
+
+    \section2 No Year 0
+
+    There is no year 0. Dates in that year are considered invalid. The
+    year -1 is the year "1 before Christ" or "1 before current era."
+    The day before 0001-01-01 is December 31st, 1 BCE.
+
+    \section2 Range of Valid Dates
+
+    The range of valid dates is from January 2nd, 4713 BCE, to
+    sometime in the year 11 million CE. The Julian Day returned by
+    QDate::toJulianDay() is a number in the contiguous range from 1 to
+    \e{overflow}, even across QDateTime's "date holes". It is suitable
+    for use in applications that must convert a QDateTime to a date in
+    another calendar system, e.g., Hebrew, Islamic or Chinese.
+
+    \sa QTime, QDateTime, QDateEdit, QDateTimeEdit, QCalendarWidget
+*/
+
+/*!
+    \fn QDate::QDate()
+
+    Constructs a null date. Null dates are invalid.
+
+    \sa isNull(), isValid()
+*/
+
+/*!
+    Constructs a date with year \a y, month \a m and day \a d.
+
+    If the specified date is invalid, the date is not set and
+    isValid() returns false. A date before 2 January 4713 B.C. is
+    considered invalid.
+
+    \warning Years 0 to 99 are interpreted as is, i.e., years
+             0-99.
+
+    \sa isValid()
+*/
+
+QDate::QDate(int y, int m, int d)
+{
+    setDate(y, m, d);
+}
+
+
+/*!
+    \fn bool QDate::isNull() const
+
+    Returns true if the date is null; otherwise returns false. A null
+    date is invalid.
+
+    \note The behavior of this function is equivalent to isValid().
+
+    \sa isValid()
+*/
+
+
+/*!
+    Returns true if this date is valid; otherwise returns false.
+
+    \sa isNull()
+*/
+
+bool QDate::isValid() const
+{
+    return !isNull();
+}
+
+
+/*!
+    Returns the year of this date. Negative numbers indicate years
+    before 1 A.D. = 1 C.E., such that year -44 is 44 B.C.
+
+    \sa month(), day()
+*/
+
+int QDate::year() const
+{
+    int y;
+    getDateFromJulianDay(jd, &y, 0, 0);
+    return y;
+}
+
+/*!
+    Returns the number corresponding to the month of this date, using
+    the following convention:
+
+    \list
+    \i 1 = "January"
+    \i 2 = "February"
+    \i 3 = "March"
+    \i 4 = "April"
+    \i 5 = "May"
+    \i 6 = "June"
+    \i 7 = "July"
+    \i 8 = "August"
+    \i 9 = "September"
+    \i 10 = "October"
+    \i 11 = "November"
+    \i 12 = "December"
+    \endlist
+
+    \sa year(), day()
+*/
+
+int QDate::month() const
+{
+    int m;
+    getDateFromJulianDay(jd, 0, &m, 0);
+    return m;
+}
+
+/*!
+    Returns the day of the month (1 to 31) of this date.
+
+    \sa year(), month(), dayOfWeek()
+*/
+
+int QDate::day() const
+{
+    int d;
+    getDateFromJulianDay(jd, 0, 0, &d);
+    return d;
+}
+
+/*!
+    Returns the weekday (1 to 7) for this date.
+
+    \sa day(), dayOfYear(), Qt::DayOfWeek
+*/
+
+int QDate::dayOfWeek() const
+{
+    return (jd % 7) + 1;
+}
+
+/*!
+    Returns the day of the year (1 to 365 or 366 on leap years) for
+    this date.
+
+    \sa day(), dayOfWeek()
+*/
+
+int QDate::dayOfYear() const
+{
+    return jd - julianDayFromDate(year(), 1, 1) + 1;
+}
+
+/*!
+    Returns the number of days in the month (28 to 31) for this date.
+
+    \sa day(), daysInYear()
+*/
+
+int QDate::daysInMonth() const
+{
+    int y, m, d;
+    getDateFromJulianDay(jd, &y, &m, &d);
+    if (m == 2 && isLeapYear(y))
+        return 29;
+    else
+        return monthDays[m];
+}
+
+/*!
+    Returns the number of days in the year (365 or 366) for this date.
+
+    \sa day(), daysInMonth()
+*/
+
+int QDate::daysInYear() const
+{
+    int y, m, d;
+    getDateFromJulianDay(jd, &y, &m, &d);
+    return isLeapYear(y) ? 366 : 365;
+}
+
+/*!
+    Returns the week number (1 to 53), and stores the year in
+    *\a{yearNumber} unless \a yearNumber is null (the default).
+
+    Returns 0 if the date is invalid.
+
+    In accordance with ISO 8601, weeks start on Monday and the first
+    Thursday of a year is always in week 1 of that year. Most years
+    have 52 weeks, but some have 53.
+
+    *\a{yearNumber} is not always the same as year(). For example, 1
+    January 2000 has week number 52 in the year 1999, and 31 December
+    2002 has week number 1 in the year 2003.
+
+    \legalese
+    Copyright (c) 1989 The Regents of the University of California.
+    All rights reserved.
+
+    Redistribution and use in source and binary forms are permitted
+    provided that the above copyright notice and this paragraph are
+    duplicated in all such forms and that any documentation,
+    advertising materials, and other materials related to such
+    distribution and use acknowledge that the software was developed
+    by the University of California, Berkeley.  The name of the
+    University may not be used to endorse or promote products derived
+    from this software without specific prior written permission.
+    THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
+    IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+
+    \sa isValid()
+*/
+
+int QDate::weekNumber(int *yearNumber) const
+{
+    if (!isValid())
+        return 0;
+
+    int year = QDate::year();
+    int yday = dayOfYear() - 1;
+    int wday = dayOfWeek();
+    if (wday == 7)
+        wday = 0;
+    int w;
+
+    for (;;) {
+        int len;
+        int bot;
+        int top;
+
+        len = isLeapYear(year) ? 366 : 365;
+        /*
+        ** What yday (-3 ... 3) does
+        ** the ISO year begin on?
+        */
+        bot = ((yday + 11 - wday) % 7) - 3;
+        /*
+        ** What yday does the NEXT
+        ** ISO year begin on?
+        */
+        top = bot - (len % 7);
+        if (top < -3)
+            top += 7;
+        top += len;
+        if (yday >= top) {
+            ++year;
+            w = 1;
+            break;
+        }
+        if (yday >= bot) {
+            w = 1 + ((yday - bot) / 7);
+            break;
+        }
+        --year;
+        yday += isLeapYear(year) ? 366 : 365;
+    }
+    if (yearNumber != 0)
+        *yearNumber = year;
+    return w;
+}
+
+#ifndef QT_NO_TEXTDATE
+/*!
+    \since 4.5
+
+    Returns the short name of the \a month for the representation specified
+    by \a type.
+
+    The months are enumerated using the following convention:
+
+    \list
+    \i 1 = "Jan"
+    \i 2 = "Feb"
+    \i 3 = "Mar"
+    \i 4 = "Apr"
+    \i 5 = "May"
+    \i 6 = "Jun"
+    \i 7 = "Jul"
+    \i 8 = "Aug"
+    \i 9 = "Sep"
+    \i 10 = "Oct"
+    \i 11 = "Nov"
+    \i 12 = "Dec"
+    \endlist
+
+    The month names will be localized according to the system's locale
+    settings.
+
+    \sa toString(), longMonthName(), shortDayName(), longDayName()
+*/
+
+QString QDate::shortMonthName(int month, QDate::MonthNameType type)
+{
+    if (month < 1 || month > 12) {
+        month = 1;
+    }
+    switch (type) {
+    case QDate::DateFormat:
+        return QLocale::system().monthName(month, QLocale::ShortFormat);
+    case QDate::StandaloneFormat:
+        return QLocale::system().standaloneMonthName(month, QLocale::ShortFormat);
+    default:
+        break;
+    }
+    return QString();
+}
+
+/*!
+    Returns the short version of the name of the \a month. The
+    returned name is in normal type which can be used for date formatting.
+
+    \sa toString(), longMonthName(), shortDayName(), longDayName()
+ */
+
+QString QDate::shortMonthName(int month)
+{
+    return shortMonthName(month, QDate::DateFormat);
+}
+
+/*!
+    \since 4.5
+
+    Returns the long name of the \a month for the representation specified
+    by \a type.
+
+    The months are enumerated using the following convention:
+
+    \list
+    \i 1 = "January"
+    \i 2 = "February"
+    \i 3 = "March"
+    \i 4 = "April"
+    \i 5 = "May"
+    \i 6 = "June"
+    \i 7 = "July"
+    \i 8 = "August"
+    \i 9 = "September"
+    \i 10 = "October"
+    \i 11 = "November"
+    \i 12 = "December"
+    \endlist
+
+    The month names will be localized according to the system's locale
+    settings.
+
+    \sa toString(), shortMonthName(), shortDayName(), longDayName()
+*/
+
+QString QDate::longMonthName(int month, MonthNameType type)
+{
+    if (month < 1 || month > 12) {
+        month = 1;
+    }
+    switch (type) {
+    case QDate::DateFormat:
+        return QLocale::system().monthName(month, QLocale::LongFormat);
+    case QDate::StandaloneFormat:
+        return QLocale::system().standaloneMonthName(month, QLocale::LongFormat);
+    default:
+        break;
+    }
+    return QString();
+}
+
+/*!
+    Returns the long version of the name of the \a month. The
+    returned name is in normal type which can be used for date formatting.
+
+    \sa toString(), shortMonthName(), shortDayName(), longDayName()
+ */
+
+QString QDate::longMonthName(int month)
+{
+    if (month < 1 || month > 12) {
+        month = 1;
+    }
+    return QLocale::system().monthName(month, QLocale::LongFormat);
+}
+
+/*!
+    \since 4.5
+
+    Returns the short name of the \a weekday for the representation specified
+    by \a type.
+
+    The days are enumerated using the following convention:
+
+    \list
+    \i 1 = "Mon"
+    \i 2 = "Tue"
+    \i 3 = "Wed"
+    \i 4 = "Thu"
+    \i 5 = "Fri"
+    \i 6 = "Sat"
+    \i 7 = "Sun"
+    \endlist
+
+    The day names will be localized according to the system's locale
+    settings.
+
+    \sa toString(), shortMonthName(), longMonthName(), longDayName()
+*/
+
+QString QDate::shortDayName(int weekday, MonthNameType type)
+{
+    if (weekday < 1 || weekday > 7) {
+        weekday = 1;
+    }
+    switch (type) {
+    case QDate::DateFormat:
+        return QLocale::system().dayName(weekday, QLocale::ShortFormat);
+    case QDate::StandaloneFormat:
+        return QLocale::system().standaloneDayName(weekday, QLocale::ShortFormat);
+    default:
+        break;
+    }
+    return QString();
+}
+
+/*!
+    Returns the short version of the name of the \a weekday. The
+    returned name is in normal type which can be used for date formatting.
+
+    \sa toString(), longDayName(), shortMonthName(), longMonthName()
+ */
+
+QString QDate::shortDayName(int weekday)
+{
+    if (weekday < 1 || weekday > 7) {
+        weekday = 1;
+    }
+    return QLocale::system().dayName(weekday, QLocale::ShortFormat);
+}
+
+/*!
+    \since 4.5
+
+    Returns the long name of the \a weekday for the representation specified
+    by \a type.
+
+    The days are enumerated using the following convention:
+
+    \list
+    \i 1 = "Monday"
+    \i 2 = "Tuesday"
+    \i 3 = "Wednesday"
+    \i 4 = "Thursday"
+    \i 5 = "Friday"
+    \i 6 = "Saturday"
+    \i 7 = "Sunday"
+    \endlist
+
+    The day names will be localized according to the system's locale
+    settings.
+
+    \sa toString(), shortDayName(), shortMonthName(), longMonthName()
+*/
+
+QString QDate::longDayName(int weekday, MonthNameType type)
+{
+    if (weekday < 1 || weekday > 7) {
+        weekday = 1;
+    }
+    switch (type) {
+    case QDate::DateFormat:
+        return QLocale::system().dayName(weekday, QLocale::LongFormat);
+    case QDate::StandaloneFormat:
+        return QLocale::system().standaloneDayName(weekday, QLocale::LongFormat);
+    default:
+        break;
+    }
+    return QLocale::system().dayName(weekday, QLocale::LongFormat);
+}
+
+/*!
+    Returns the long version of the name of the \a weekday. The
+    returned name is in normal type which can be used for date formatting.
+
+    \sa toString(), shortDayName(), shortMonthName(), longMonthName()
+ */
+
+QString QDate::longDayName(int weekday)
+{
+    if (weekday < 1 || weekday > 7) {
+        weekday = 1;
+    }
+    return QLocale::system().dayName(weekday, QLocale::LongFormat);
+}
+#endif //QT_NO_TEXTDATE
+
+#ifndef QT_NO_DATESTRING
+
+/*!
+    \fn QString QDate::toString(Qt::DateFormat format) const
+
+    \overload
+
+    Returns the date as a string. The \a format parameter determines
+    the format of the string.
+
+    If the \a format is Qt::TextDate, the string is formatted in
+    the default way. QDate::shortDayName() and QDate::shortMonthName()
+    are used to generate the string, so the day and month names will
+    be localized names. An example of this formatting is
+    "Sat May 20 1995".
+
+    If the \a format is Qt::ISODate, the string format corresponds
+    to the ISO 8601 extended specification for representations of
+    dates and times, taking the form YYYY-MM-DD, where YYYY is the
+    year, MM is the month of the year (between 01 and 12), and DD is
+    the day of the month between 01 and 31.
+
+    If the \a format is Qt::SystemLocaleShortDate or
+    Qt::SystemLocaleLongDate, the string format depends on the locale
+    settings of the system. Identical to calling
+    QLocale::system().toString(date, QLocale::ShortFormat) or
+    QLocale::system().toString(date, QLocale::LongFormat).
+
+    If the \a format is Qt::DefaultLocaleShortDate or
+    Qt::DefaultLocaleLongDate, the string format depends on the
+    default application locale. This is the locale set with
+    QLocale::setDefault(), or the system locale if no default locale
+    has been set. Identical to calling QLocale().toString(date,
+    QLocale::ShortFormat) or QLocale().toString(date,
+    QLocale::LongFormat).
+
+    If the date is invalid, an empty string will be returned.
+
+    \warning The Qt::ISODate format is only valid for years in the
+    range 0 to 9999. This restriction may apply to locale-aware
+    formats as well, depending on the locale settings.
+
+    \sa shortDayName(), shortMonthName()
+*/
+QString QDate::toString(Qt::DateFormat f) const
+{
+    if (!isValid())
+        return QString();
+    int y, m, d;
+    getDateFromJulianDay(jd, &y, &m, &d);
+    switch (f) {
+    case Qt::SystemLocaleDate:
+    case Qt::SystemLocaleShortDate:
+    case Qt::SystemLocaleLongDate:
+        return QLocale::system().toString(*this, f == Qt::SystemLocaleLongDate ? QLocale::LongFormat
+                                                                               : QLocale::ShortFormat);
+    case Qt::LocaleDate:
+    case Qt::DefaultLocaleShortDate:
+    case Qt::DefaultLocaleLongDate:
+        return QLocale().toString(*this, f == Qt::DefaultLocaleLongDate ? QLocale::LongFormat
+                                                                        : QLocale::ShortFormat);
+    default:
+#ifndef QT_NO_TEXTDATE
+    case Qt::TextDate:
+        {
+            return QString::fromLatin1("%0 %1 %2 %3")
+                .arg(shortDayName(dayOfWeek()))
+                .arg(shortMonthName(m))
+                .arg(d)
+                .arg(y);
+        }
+#endif
+    case Qt::ISODate:
+        {
+            if (year() < 0 || year() > 9999)
+                return QString();
+            QString month(QString::number(m).rightJustified(2, QLatin1Char('0')));
+            QString day(QString::number(d).rightJustified(2, QLatin1Char('0')));
+            return QString::number(y) + QLatin1Char('-') + month + QLatin1Char('-') + day;
+        }
+    }
+}
+
+/*!
+    Returns the date as a string. The \a format parameter determines
+    the format of the result string.
+
+    These expressions may be used:
+
+    \table
+    \header \i Expression \i Output
+    \row \i d \i the day as number without a leading zero (1 to 31)
+    \row \i dd \i the day as number with a leading zero (01 to 31)
+    \row \i ddd
+         \i the abbreviated localized day name (e.g. 'Mon' to 'Sun').
+            Uses QDate::shortDayName().
+    \row \i dddd
+         \i the long localized day name (e.g. 'Monday' to 'Sunday').
+            Uses QDate::longDayName().
+    \row \i M \i the month as number without a leading zero (1 to 12)
+    \row \i MM \i the month as number with a leading zero (01 to 12)
+    \row \i MMM
+         \i the abbreviated localized month name (e.g. 'Jan' to 'Dec').
+            Uses QDate::shortMonthName().
+    \row \i MMMM
+         \i the long localized month name (e.g. 'January' to 'December').
+            Uses QDate::longMonthName().
+    \row \i yy \i the year as two digit number (00 to 99)
+    \row \i yyyy \i the year as four digit number. If the year is negative,
+            a minus sign is prepended in addition.
+    \endtable
+
+    All other input characters will be ignored. Any sequence of characters that
+    are enclosed in singlequotes will be treated as text and not be used as an
+    expression. Two consecutive singlequotes ("''") are replaced by a singlequote
+    in the output.
+
+    Example format strings (assuming that the QDate is the 20 July
+    1969):
+
+    \table
+    \header \o Format            \o Result
+    \row    \o dd.MM.yyyy        \o 20.07.1969
+    \row    \o ddd MMMM d yy     \o Sun July 20 69
+    \row    \o 'The day is' dddd \o The day is Sunday
+    \endtable
+
+    If the datetime is invalid, an empty string will be returned.
+
+    \warning The Qt::ISODate format is only valid for years in the
+    range 0 to 9999. This restriction may apply to locale-aware
+    formats as well, depending on the locale settings.
+
+    \sa QDateTime::toString() QTime::toString()
+
+*/
+QString QDate::toString(const QString& format) const
+{
+    if (year() > 9999)
+        return QString();
+    return fmtDateTime(format, 0, this);
+}
+#endif //QT_NO_DATESTRING
+
+/*!
+    \obsolete
+
+    Sets the date's year \a y, month \a m, and day \a d.
+
+    If \a y is in the range 0 to 99, it is interpreted as 1900 to
+    1999.
+
+    Use setDate() instead.
+*/
+
+bool QDate::setYMD(int y, int m, int d)
+{
+    if (uint(y) <= 99)
+        y += 1900;
+    return setDate(y, m, d);
+}
+
+/*!
+    \since 4.2
+
+    Sets the date's \a year, \a month, and \a day. Returns true if
+    the date is valid; otherwise returns false.
+
+    If the specified date is invalid, the QDate object is set to be
+    invalid. Any date before 2 January 4713 B.C. is considered
+    invalid.
+
+    \sa isValid()
+*/
+bool QDate::setDate(int year, int month, int day)
+{
+    if (!isValid(year, month, day)) {
+        jd = 0;
+    } else {
+        jd = julianDayFromDate(year, month, day);
+    }
+    return jd != 0;
+}
+
+/*!
+    \since 4.5
+
+    Extracts the date's year, month, and day, and assigns them to
+    *\a year, *\a month, and *\a day. The pointers may be null.
+
+    \sa year(), month(), day(), isValid()
+*/
+void QDate::getDate(int *year, int *month, int *day)
+{
+    getDateFromJulianDay(jd, year, month, day);
+}
+
+/*!
+    Returns a QDate object containing a date \a ndays later than the
+    date of this object (or earlier if \a ndays is negative).
+
+    \sa addMonths() addYears() daysTo()
+*/
+
+QDate QDate::addDays(int ndays) const
+{
+    QDate d;
+    // this is basically "d.jd = jd + ndays" with checks for integer overflow
+    if (ndays >= 0)
+        d.jd = (jd + ndays >= jd) ? jd + ndays : 0;
+    else
+        d.jd = (jd + ndays < jd) ? jd + ndays : 0;
+    return d;
+}
+
+/*!
+    Returns a QDate object containing a date \a nmonths later than the
+    date of this object (or earlier if \a nmonths is negative).
+
+    \note If the ending day/month combination does not exist in the
+    resulting month/year, this function will return a date that is the
+    latest valid date.
+
+    \warning QDate has a date hole around the days introducing the
+    Gregorian calendar (the days 5 to 14 October 1582, inclusive, do
+    not exist). If the calculation ends in one of those days, QDate
+    will return either October 4 or October 15.
+
+    \sa addDays() addYears()
+*/
+
+QDate QDate::addMonths(int nmonths) const
+{
+    if (!isValid())
+        return QDate();
+    if (!nmonths)
+        return *this;
+
+    int old_y, y, m, d;
+    getDateFromJulianDay(jd, &y, &m, &d);
+    old_y = y;
+
+    bool increasing = nmonths > 0;
+
+    while (nmonths != 0) {
+        if (nmonths < 0 && nmonths + 12 <= 0) {
+            y--;
+            nmonths+=12;
+        } else if (nmonths < 0) {
+            m+= nmonths;
+            nmonths = 0;
+            if (m <= 0) {
+                --y;
+                m += 12;
+            }
+        } else if (nmonths - 12 >= 0) {
+            y++;
+            nmonths -= 12;
+        } else if (m == 12) {
+            y++;
+            m = 0;
+        } else {
+            m += nmonths;
+            nmonths = 0;
+            if (m > 12) {
+                ++y;
+                m -= 12;
+            }
+        }
+    }
+
+    // was there a sign change?
+    if ((old_y > 0 && y <= 0) ||
+        (old_y < 0 && y >= 0))
+        // yes, adjust the date by +1 or -1 years
+        y += increasing ? +1 : -1;
+
+    // did we end up in the Gregorian/Julian conversion hole?
+    if (y == 1582 && m == 10 && d > 4 && d < 15)
+        d = increasing ? 15 : 4;
+
+    return fixedDate(y, m, d);
+}
+
+/*!
+    Returns a QDate object containing a date \a nyears later than the
+    date of this object (or earlier if \a nyears is negative).
+
+    \note If the ending day/month combination does not exist in the
+    resulting year (i.e., if the date was Feb 29 and the final year is
+    not a leap year), this function will return a date that is the
+    latest valid date (that is, Feb 28).
+
+    \sa addDays(), addMonths()
+*/
+
+QDate QDate::addYears(int nyears) const
+{
+    if (!isValid())
+        return QDate();
+
+    int y, m, d;
+    getDateFromJulianDay(jd, &y, &m, &d);
+
+    int old_y = y;
+    y += nyears;
+
+    // was there a sign change?
+    if ((old_y > 0 && y <= 0) ||
+        (old_y < 0 && y >= 0))
+        // yes, adjust the date by +1 or -1 years
+        y += nyears > 0 ? +1 : -1;
+
+    return fixedDate(y, m, d);
+}
+
+/*!
+    Returns the number of days from this date to \a d (which is
+    negative if \a d is earlier than this date).
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 0
+
+    \sa addDays()
+*/
+
+int QDate::daysTo(const QDate &d) const
+{
+    return d.jd - jd;
+}
+
+
+/*!
+    \fn bool QDate::operator==(const QDate &d) const
+
+    Returns true if this date is equal to \a d; otherwise returns
+    false.
+
+*/
+
+/*!
+    \fn bool QDate::operator!=(const QDate &d) const
+
+    Returns true if this date is different from \a d; otherwise
+    returns false.
+*/
+
+/*!
+    \fn bool QDate::operator<(const QDate &d) const
+
+    Returns true if this date is earlier than \a d; otherwise returns
+    false.
+*/
+
+/*!
+    \fn bool QDate::operator<=(const QDate &d) const
+
+    Returns true if this date is earlier than or equal to \a d;
+    otherwise returns false.
+*/
+
+/*!
+    \fn bool QDate::operator>(const QDate &d) const
+
+    Returns true if this date is later than \a d; otherwise returns
+    false.
+*/
+
+/*!
+    \fn bool QDate::operator>=(const QDate &d) const
+
+    Returns true if this date is later than or equal to \a d;
+    otherwise returns false.
+*/
+
+/*!
+    \overload
+    Returns the current date, as reported by the system clock.
+
+    \sa QTime::currentTime(), QDateTime::currentDateTime()
+*/
+
+QDate QDate::currentDate()
+{
+    QDate d;
+#if defined(Q_OS_WIN)
+    SYSTEMTIME st;
+    memset(&st, 0, sizeof(SYSTEMTIME));
+    GetLocalTime(&st);
+    d.jd = julianDayFromDate(st.wYear, st.wMonth, st.wDay);
+#else
+    // posix compliant system
+    time_t ltime;
+    time(&ltime);
+    tm *t = 0;
+
+#if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS)
+    // use the reentrant version of localtime() where available
+    tzset();
+    tm res;
+    t = localtime_r(&ltime, &res);
+#else
+    t = localtime(&ltime);
+#endif // !QT_NO_THREAD && _POSIX_THREAD_SAFE_FUNCTIONS
+
+    d.jd = julianDayFromDate(t->tm_year + 1900, t->tm_mon + 1, t->tm_mday);
+#endif
+    return d;
+}
+
+#ifndef QT_NO_DATESTRING
+/*!
+    \fn QDate QDate::fromString(const QString &string, Qt::DateFormat format)
+
+    Returns the QDate represented by the \a string, using the
+    \a format given, or an invalid date if the string cannot be
+    parsed.
+
+    Note for Qt::TextDate: It is recommended that you use the
+    English short month names (e.g. "Jan"). Although localized month
+    names can also be used, they depend on the user's locale settings.
+*/
+QDate QDate::fromString(const QString& s, Qt::DateFormat f)
+{
+    if (s.isEmpty())
+        return QDate();
+
+    switch (f) {
+    case Qt::ISODate:
+        {
+            int year(s.mid(0, 4).toInt());
+            int month(s.mid(5, 2).toInt());
+            int day(s.mid(8, 2).toInt());
+            if (year && month && day)
+                return QDate(year, month, day);
+        }
+        break;
+    case Qt::SystemLocaleDate:
+    case Qt::SystemLocaleShortDate:
+    case Qt::SystemLocaleLongDate:
+        return fromString(s, QLocale::system().dateFormat(f == Qt::SystemLocaleLongDate ? QLocale::LongFormat
+                                                                                        : QLocale::ShortFormat));
+    case Qt::LocaleDate:
+    case Qt::DefaultLocaleShortDate:
+    case Qt::DefaultLocaleLongDate:
+        return fromString(s, QLocale().dateFormat(f == Qt::DefaultLocaleLongDate ? QLocale::LongFormat
+                                                                                 : QLocale::ShortFormat));
+    default:
+#ifndef QT_NO_TEXTDATE
+    case Qt::TextDate: {
+        QStringList parts = s.split(QLatin1Char(' '), QString::SkipEmptyParts);
+
+        if (parts.count() != 4) {
+            return QDate();
+        }
+
+        QString monthName = parts.at(1);
+        int month = -1;
+        // Assume that English monthnames are the default
+        for (int i = 0; i < 12; ++i) {
+            if (monthName == QLatin1String(qt_shortMonthNames[i])) {
+                month = i + 1;
+                break;
+            }
+        }
+        // If English names can't be found, search the localized ones
+        if (month == -1) {
+            for (int i = 1; i <= 12; ++i) {
+                if (monthName == QDate::shortMonthName(i)) {
+                    month = i;
+                    break;
+                }
+            }
+        }
+        if (month < 1 || month > 12) {
+            return QDate();
+        }
+
+        bool ok;
+        int day = parts.at(2).toInt(&ok);
+        if (!ok) {
+            return QDate();
+        }
+
+        int year = parts.at(3).toInt(&ok);
+        if (!ok) {
+            return QDate();
+        }
+
+        return QDate(year, month, day);
+    }
+#else
+        break;
+#endif
+    }
+    return QDate();
+}
+
+/*!
+    \fn QDate::fromString(const QString &string, const QString &format)
+
+    Returns the QDate represented by the \a string, using the \a
+    format given, or an invalid date if the string cannot be parsed.
+
+    These expressions may be used for the format:
+
+    \table
+    \header \i Expression \i Output
+    \row \i d \i The day as a number without a leading zero (1 to 31)
+    \row \i dd \i The day as a number with a leading zero (01 to 31)
+    \row \i ddd
+         \i The abbreviated localized day name (e.g. 'Mon' to 'Sun').
+            Uses QDate::shortDayName().
+    \row \i dddd
+         \i The long localized day name (e.g. 'Monday' to 'Sunday').
+            Uses QDate::longDayName().
+    \row \i M \i The month as a number without a leading zero (1 to 12)
+    \row \i MM \i The month as a number with a leading zero (01 to 12)
+    \row \i MMM
+         \i The abbreviated localized month name (e.g. 'Jan' to 'Dec').
+            Uses QDate::shortMonthName().
+    \row \i MMMM
+         \i The long localized month name (e.g. 'January' to 'December').
+            Uses QDate::longMonthName().
+    \row \i yy \i The year as two digit number (00 to 99)
+    \row \i yyyy \i The year as four digit number. If the year is negative,
+            a minus sign is prepended in addition.
+    \endtable
+
+    All other input characters will be treated as text. Any sequence
+    of characters that are enclosed in single quotes will also be
+    treated as text and will not be used as an expression. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 1
+
+    If the format is not satisfied, an invalid QDate is returned. The
+    expressions that don't expect leading zeroes (d, M) will be
+    greedy. This means that they will use two digits even if this
+    will put them outside the accepted range of values and leaves too
+    few digits for other sections. For example, the following format
+    string could have meant January 30 but the M will grab two
+    digits, resulting in an invalid date:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 2
+
+    For any field that is not represented in the format the following
+    defaults are used:
+
+    \table
+    \header \i Field  \i Default value
+    \row    \i Year   \i 1900
+    \row    \i Month  \i 1
+    \row    \i Day    \i 1
+    \endtable
+
+    The following examples demonstrate the default values:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 3
+
+    \sa QDateTime::fromString(), QTime::fromString(), QDate::toString(),
+        QDateTime::toString(), QTime::toString()
+*/
+
+QDate QDate::fromString(const QString &string, const QString &format)
+{
+    QDate date;
+#ifndef QT_BOOTSTRAPPED
+    QDateTimeParser dt(QVariant::Date, QDateTimeParser::FromString);
+    if (dt.parseFormat(format))
+        dt.fromString(string, &date, 0);
+#else
+    Q_UNUSED(string);
+    Q_UNUSED(format);
+#endif
+    return date;
+}
+#endif // QT_NO_DATESTRING
+
+/*!
+    \overload
+
+    Returns true if the specified date (\a year, \a month, and \a
+    day) is valid; otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 4
+
+    \sa isNull(), setDate()
+*/
+
+bool QDate::isValid(int year, int month, int day)
+{
+    if (year < FIRST_YEAR
+        || (year == FIRST_YEAR &&
+            (month < FIRST_MONTH
+             || (month == FIRST_MONTH && day < FIRST_DAY)))
+        || year == 0) // there is no year 0 in the Julian calendar
+        return false;
+
+    // passage from Julian to Gregorian calendar
+    if (year == 1582 && month == 10 && day > 4 && day < 15)
+        return 0;
+
+    return (day > 0 && month > 0 && month <= 12) &&
+           (day <= monthDays[month] || (day == 29 && month == 2 && isLeapYear(year)));
+}
+
+/*!
+    \fn bool QDate::isLeapYear(int year)
+
+    Returns true if the specified \a year is a leap year; otherwise
+    returns false.
+*/
+
+bool QDate::isLeapYear(int y)
+{
+    if (y < 1582) {
+        return qAbs(y) % 4 == 0;
+    } else {
+        return (y % 4 == 0 && y % 100 != 0) || y % 400 == 0;
+    }
+}
+
+/*!
+    \internal
+
+    This function has a confusing name and shouldn't be part of the
+    API anyway, since we have toJulian() and fromJulian().
+    ### Qt 5: remove it
+*/
+uint QDate::gregorianToJulian(int y, int m, int d)
+{
+    return julianDayFromDate(y, m, d);
+}
+
+/*!
+    \internal
+
+    This function has a confusing name and shouldn't be part of the
+    API anyway, since we have toJulian() and fromJulian().
+    ### Qt 5: remove it
+*/
+void QDate::julianToGregorian(uint jd, int &y, int &m, int &d)
+{
+    getDateFromJulianDay(jd, &y, &m, &d);
+}
+
+/*! \fn static QDate QDate::fromJulianDay(int jd)
+
+    Converts the Julian day \a jd to a QDate.
+
+    \sa toJulianDay()
+*/
+
+/*! \fn int QDate::toJulianDay() const
+
+    Converts the date to a Julian day.
+
+    \sa fromJulianDay()
+*/
+
+/*****************************************************************************
+  QTime member functions
+ *****************************************************************************/
+
+/*!
+    \class QTime
+    \reentrant
+
+    \brief The QTime class provides clock time functions.
+
+    \ingroup time
+    \mainclass
+
+    A QTime object contains a clock time, i.e. the number of hours,
+    minutes, seconds, and milliseconds since midnight. It can read the
+    current time from the system clock and measure a span of elapsed
+    time. It provides functions for comparing times and for
+    manipulating a time by adding a number of milliseconds.
+
+    QTime uses the 24-hour clock format; it has no concept of AM/PM.
+    Unlike QDateTime, QTime knows nothing about time zones or
+    daylight savings time (DST).
+
+    A QTime object is typically created either by giving the number
+    of hours, minutes, seconds, and milliseconds explicitly, or by
+    using the static function currentTime(), which creates a QTime
+    object that contains the system's local time. Note that the
+    accuracy depends on the accuracy of the underlying operating
+    system; not all systems provide 1-millisecond accuracy.
+
+    The hour(), minute(), second(), and msec() functions provide
+    access to the number of hours, minutes, seconds, and milliseconds
+    of the time. The same information is provided in textual format by
+    the toString() function.
+
+    QTime provides a full set of operators to compare two QTime
+    objects. One time is considered smaller than another if it is
+    earlier than the other.
+
+    The time a given number of seconds or milliseconds later than a
+    given time can be found using the addSecs() or addMSecs()
+    functions. Correspondingly, the number of seconds or milliseconds
+    between two times can be found using secsTo() or msecsTo().
+
+    QTime can be used to measure a span of elapsed time using the
+    start(), restart(), and elapsed() functions.
+
+    \sa QDate, QDateTime
+*/
+
+/*!
+    \fn QTime::QTime()
+
+    Constructs a null time object. A null time can be a QTime(0, 0, 0, 0)
+    (i.e., midnight) object, except that isNull() returns true and isValid()
+    returns false.
+
+    \sa isNull(), isValid()
+*/
+
+/*!
+    Constructs a time with hour \a h, minute \a m, seconds \a s and
+    milliseconds \a ms.
+
+    \a h must be in the range 0 to 23, \a m and \a s must be in the
+    range 0 to 59, and \a ms must be in the range 0 to 999.
+
+    \sa isValid()
+*/
+
+QTime::QTime(int h, int m, int s, int ms)
+{
+    setHMS(h, m, s, ms);
+}
+
+
+/*!
+    \fn bool QTime::isNull() const
+
+    Returns true if the time is null (i.e., the QTime object was
+    constructed using the default constructor); otherwise returns
+    false. A null time is also an invalid time.
+
+    \sa isValid()
+*/
+
+/*!
+    Returns true if the time is valid; otherwise returns false. For example,
+    the time 23:30:55.746 is valid, but 24:12:30 is invalid.
+
+    \sa isNull()
+*/
+
+bool QTime::isValid() const
+{
+    return mds > NullTime && mds < MSECS_PER_DAY;
+}
+
+
+/*!
+    Returns the hour part (0 to 23) of the time.
+
+    \sa minute(), second(), msec()
+*/
+
+int QTime::hour() const
+{
+    return ds() / MSECS_PER_HOUR;
+}
+
+/*!
+    Returns the minute part (0 to 59) of the time.
+
+    \sa hour(), second(), msec()
+*/
+
+int QTime::minute() const
+{
+    return (ds() % MSECS_PER_HOUR) / MSECS_PER_MIN;
+}
+
+/*!
+    Returns the second part (0 to 59) of the time.
+
+    \sa hour(), minute(), msec()
+*/
+
+int QTime::second() const
+{
+    return (ds() / 1000)%SECS_PER_MIN;
+}
+
+/*!
+    Returns the millisecond part (0 to 999) of the time.
+
+    \sa hour(), minute(), second()
+*/
+
+int QTime::msec() const
+{
+    return ds() % 1000;
+}
+
+#ifndef QT_NO_DATESTRING
+/*!
+    \overload
+
+    Returns the time as a string. Milliseconds are not included. The
+    \a format parameter determines the format of the string.
+
+    If \a format is Qt::TextDate, the string format is HH:MM:SS; e.g. 1
+    second before midnight would be "23:59:59".
+
+    If \a format is Qt::ISODate, the string format corresponds to the
+    ISO 8601 extended specification for representations of dates,
+    which is also HH:MM:SS. (However, contrary to ISO 8601, dates
+    before 15 October 1582 are handled as Julian dates, not Gregorian
+    dates. See \l{QDate G and J} {Use of Gregorian and Julian
+    Calendars}. This might change in a future version of Qt.)
+
+    If the \a format is Qt::SystemLocaleShortDate or
+    Qt::SystemLocaleLongDate, the string format depends on the locale
+    settings of the system. Identical to calling
+    QLocale::system().toString(time, QLocale::ShortFormat) or
+    QLocale::system().toString(time, QLocale::LongFormat).
+
+    If the \a format is Qt::DefaultLocaleShortDate or
+    Qt::DefaultLocaleLongDate, the string format depends on the
+    default application locale. This is the locale set with
+    QLocale::setDefault(), or the system locale if no default locale
+    has been set. Identical to calling QLocale().toString(time,
+    QLocale::ShortFormat) or QLocale().toString(time,
+    QLocale::LongFormat).
+
+    If the time is invalid, an empty string will be returned.
+*/
+
+QString QTime::toString(Qt::DateFormat format) const
+{
+    if (!isValid())
+        return QString();
+
+    switch (format) {
+    case Qt::SystemLocaleDate:
+    case Qt::SystemLocaleShortDate:
+    case Qt::SystemLocaleLongDate:
+        return QLocale::system().toString(*this, format == Qt::SystemLocaleLongDate ? QLocale::LongFormat
+                                          : QLocale::ShortFormat);
+    case Qt::LocaleDate:
+    case Qt::DefaultLocaleShortDate:
+    case Qt::DefaultLocaleLongDate:
+        return QLocale().toString(*this, format == Qt::DefaultLocaleLongDate ? QLocale::LongFormat
+                                  : QLocale::ShortFormat);
+
+    default:
+    case Qt::ISODate:
+    case Qt::TextDate:
+        return QString::fromLatin1("%1:%2:%3")
+            .arg(hour(), 2, 10, QLatin1Char('0'))
+            .arg(minute(), 2, 10, QLatin1Char('0'))
+            .arg(second(), 2, 10, QLatin1Char('0'));
+    }
+}
+
+/*!
+    Returns the time as a string. The \a format parameter determines
+    the format of the result string.
+
+    These expressions may be used:
+
+    \table
+    \header \i Expression \i Output
+    \row \i h
+         \i the hour without a leading zero (0 to 23 or 1 to 12 if AM/PM display)
+    \row \i hh
+         \i the hour with a leading zero (00 to 23 or 01 to 12 if AM/PM display)
+    \row \i H
+         \i the hour without a leading zero (0 to 23, even with AM/PM display)
+    \row \i HH
+         \i the hour with a leading zero (00 to 23, even with AM/PM display)
+    \row \i m \i the minute without a leading zero (0 to 59)
+    \row \i mm \i the minute with a leading zero (00 to 59)
+    \row \i s \i the second without a leading zero (0 to 59)
+    \row \i ss \i the second with a leading zero (00 to 59)
+    \row \i z \i the milliseconds without leading zeroes (0 to 999)
+    \row \i zzz \i the milliseconds with leading zeroes (000 to 999)
+    \row \i AP or A
+         \i use AM/PM display. \e AP will be replaced by either "AM" or "PM".
+    \row \i ap or a
+         \i use am/pm display. \e ap will be replaced by either "am" or "pm".
+    \endtable
+
+    All other input characters will be ignored. Any sequence of characters that
+    are enclosed in singlequotes will be treated as text and not be used as an
+    expression. Two consecutive singlequotes ("''") are replaced by a singlequote
+    in the output.
+
+    Example format strings (assuming that the QTime is 14:13:09.042)
+
+    \table
+    \header \i Format \i Result
+    \row \i hh:mm:ss.zzz \i 14:13:09.042
+    \row \i h:m:s ap     \i 2:13:9 pm
+    \row \i H:m:s a      \i 14:13:9 pm
+    \endtable
+
+    If the datetime is invalid, an empty string will be returned.
+
+    \sa QDate::toString() QDateTime::toString()
+*/
+QString QTime::toString(const QString& format) const
+{
+    return fmtDateTime(format, this, 0);
+}
+#endif //QT_NO_DATESTRING
+/*!
+    Sets the time to hour \a h, minute \a m, seconds \a s and
+    milliseconds \a ms.
+
+    \a h must be in the range 0 to 23, \a m and \a s must be in the
+    range 0 to 59, and \a ms must be in the range 0 to 999.
+    Returns true if the set time is valid; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QTime::setHMS(int h, int m, int s, int ms)
+{
+#if defined(Q_OS_WINCE)
+    startTick = NullTime;
+#endif
+    if (!isValid(h,m,s,ms)) {
+        mds = NullTime;                // make this invalid
+        return false;
+    }
+    mds = (h*SECS_PER_HOUR + m*SECS_PER_MIN + s)*1000 + ms;
+    return true;
+}
+
+/*!
+    Returns a QTime object containing a time \a s seconds later
+    than the time of this object (or earlier if \a s is negative).
+
+    Note that the time will wrap if it passes midnight.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 5
+
+    \sa addMSecs(), secsTo(), QDateTime::addSecs()
+*/
+
+QTime QTime::addSecs(int s) const
+{
+    return addMSecs(s * 1000);
+}
+
+/*!
+    Returns the number of seconds from this time to \a t.
+    If \a t is earlier than this time, the number of seconds returned
+    is negative.
+
+    Because QTime measures time within a day and there are 86400
+    seconds in a day, the result is always between -86400 and 86400.
+
+    secsTo() does not take into account any milliseconds.
+
+    \sa addSecs(), QDateTime::secsTo()
+*/
+
+int QTime::secsTo(const QTime &t) const
+{
+    return (t.ds() - ds()) / 1000;
+}
+
+/*!
+    Returns a QTime object containing a time \a ms milliseconds later
+    than the time of this object (or earlier if \a ms is negative).
+
+    Note that the time will wrap if it passes midnight. See addSecs()
+    for an example.
+
+    \sa addSecs(), msecsTo()
+*/
+
+QTime QTime::addMSecs(int ms) const
+{
+    QTime t;
+    if (ms < 0) {
+        // % not well-defined for -ve, but / is.
+        int negdays = (MSECS_PER_DAY - ms) / MSECS_PER_DAY;
+        t.mds = (ds() + ms + negdays * MSECS_PER_DAY) % MSECS_PER_DAY;
+    } else {
+        t.mds = (ds() + ms) % MSECS_PER_DAY;
+    }
+#if defined(Q_OS_WINCE)
+    if (startTick > NullTime)
+        t.startTick = (startTick + ms) % MSECS_PER_DAY;
+#endif
+    return t;
+}
+
+/*!
+    Returns the number of milliseconds from this time to \a t.
+    If \a t is earlier than this time, the number of milliseconds returned
+    is negative.
+
+    Because QTime measures time within a day and there are 86400
+    seconds in a day, the result is always between -86400000 and
+    86400000 ms.
+
+    \sa secsTo(), addMSecs()
+*/
+
+int QTime::msecsTo(const QTime &t) const
+{
+#if defined(Q_OS_WINCE)
+    // GetLocalTime() for Windows CE has no milliseconds resolution
+    if (t.startTick > NullTime && startTick > NullTime)
+        return t.startTick - startTick;
+    else
+#endif
+        return t.ds() - ds();
+}
+
+
+/*!
+    \fn bool QTime::operator==(const QTime &t) const
+
+    Returns true if this time is equal to \a t; otherwise returns false.
+*/
+
+/*!
+    \fn bool QTime::operator!=(const QTime &t) const
+
+    Returns true if this time is different from \a t; otherwise returns false.
+*/
+
+/*!
+    \fn bool QTime::operator<(const QTime &t) const
+
+    Returns true if this time is earlier than \a t; otherwise returns false.
+*/
+
+/*!
+    \fn bool QTime::operator<=(const QTime &t) const
+
+    Returns true if this time is earlier than or equal to \a t;
+    otherwise returns false.
+*/
+
+/*!
+    \fn bool QTime::operator>(const QTime &t) const
+
+    Returns true if this time is later than \a t; otherwise returns false.
+*/
+
+/*!
+    \fn bool QTime::operator>=(const QTime &t) const
+
+    Returns true if this time is later than or equal to \a t;
+    otherwise returns false.
+*/
+
+/*!
+    \overload
+
+    Returns the current time as reported by the system clock.
+
+    Note that the accuracy depends on the accuracy of the underlying
+    operating system; not all systems provide 1-millisecond accuracy.
+*/
+
+QTime QTime::currentTime()
+{
+    QTime ct;
+
+#if defined(Q_OS_WIN)
+    SYSTEMTIME st;
+    memset(&st, 0, sizeof(SYSTEMTIME));
+    GetLocalTime(&st);
+    ct.mds = MSECS_PER_HOUR * st.wHour + MSECS_PER_MIN * st.wMinute + 1000 * st.wSecond
+             + st.wMilliseconds;
+#if defined(Q_OS_WINCE)
+    ct.startTick = GetTickCount() % MSECS_PER_DAY;
+#endif
+#elif defined(Q_OS_UNIX)
+    // posix compliant system
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    time_t ltime = tv.tv_sec;
+    tm *t = 0;
+
+#if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS)
+    // use the reentrant version of localtime() where available
+    tzset();
+    tm res;
+    t = localtime_r(&ltime, &res);
+#else
+    t = localtime(&ltime);
+#endif
+
+    ct.mds = MSECS_PER_HOUR * t->tm_hour + MSECS_PER_MIN * t->tm_min + 1000 * t->tm_sec
+             + tv.tv_usec / 1000;
+#else
+    time_t ltime; // no millisecond resolution
+    ::time(&ltime);
+    tm *t = 0;
+    localtime(&ltime);
+    ct.mds = MSECS_PER_HOUR * t->tm_hour + MSECS_PER_MIN * t->tm_min + 1000 * t->tm_sec;
+#endif
+    return ct;
+}
+
+#ifndef QT_NO_DATESTRING
+/*!
+    \fn QTime QTime::fromString(const QString &string, Qt::DateFormat format)
+
+    Returns the time represented in the \a string as a QTime using the
+    \a format given, or an invalid time if this is not possible.
+
+    Note that fromString() uses a "C" locale encoded string to convert
+    milliseconds to a float value. If the default locale is not "C",
+    this may result in two conversion attempts (if the conversion
+    fails for the default locale). This should be considered an
+    implementation detail.
+*/
+QTime QTime::fromString(const QString& s, Qt::DateFormat f)
+{
+    if (s.isEmpty()) {
+        QTime t;
+        t.mds = NullTime;
+        return t;
+    }
+
+    switch (f) {
+    case Qt::SystemLocaleDate:
+    case Qt::SystemLocaleShortDate:
+    case Qt::SystemLocaleLongDate:
+        return fromString(s, QLocale::system().timeFormat(f == Qt::SystemLocaleLongDate ? QLocale::LongFormat
+                                                                                        : QLocale::ShortFormat));
+    case Qt::LocaleDate:
+    case Qt::DefaultLocaleShortDate:
+    case Qt::DefaultLocaleLongDate:
+        return fromString(s, QLocale().timeFormat(f == Qt::DefaultLocaleLongDate ? QLocale::LongFormat
+                                                                                 : QLocale::ShortFormat));
+    default:
+        {
+            bool ok = true;
+            const int hour(s.mid(0, 2).toInt(&ok));
+            if (!ok)
+                return QTime();
+            const int minute(s.mid(3, 2).toInt(&ok));
+            if (!ok)
+                return QTime();
+            const int second(s.mid(6, 2).toInt(&ok));
+            if (!ok)
+                return QTime();
+            const QString msec_s(QLatin1String("0.") + s.mid(9, 4));
+            const float msec(msec_s.toFloat(&ok));
+            if (!ok)
+                return QTime();
+            return QTime(hour, minute, second, qMin(qRound(msec * 1000.0), 999));
+        }
+    }
+}
+
+/*!
+    \fn QTime::fromString(const QString &string, const QString &format)
+
+    Returns the QTime represented by the \a string, using the \a
+    format given, or an invalid time if the string cannot be parsed.
+
+    These expressions may be used for the format:
+
+    \table
+    \header \i Expression \i Output
+    \row \i h
+         \i the hour without a leading zero (0 to 23 or 1 to 12 if AM/PM display)
+    \row \i hh
+         \i the hour with a leading zero (00 to 23 or 01 to 12 if AM/PM display)
+    \row \i m \i the minute without a leading zero (0 to 59)
+    \row \i mm \i the minute with a leading zero (00 to 59)
+    \row \i s \i the second without a leading zero (0 to 59)
+    \row \i ss \i the second with a leading zero (00 to 59)
+    \row \i z \i the milliseconds without leading zeroes (0 to 999)
+    \row \i zzz \i the milliseconds with leading zeroes (000 to 999)
+    \row \i AP
+         \i interpret as an AM/PM time. \e AP must be either "AM" or "PM".
+    \row \i ap
+         \i Interpret as an AM/PM time. \e ap must be either "am" or "pm".
+    \endtable
+
+    All other input characters will be treated as text. Any sequence
+    of characters that are enclosed in single quotes will also be
+    treated as text and not be used as an expression.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 6
+
+    If the format is not satisfied an invalid QTime is returned.
+    Expressions that do not expect leading zeroes to be given (h, m, s
+    and z) are greedy. This means that they will use two digits even if
+    this puts them outside the range of accepted values and leaves too
+    few digits for other sections. For example, the following string
+    could have meant 00:07:10, but the m will grab two digits, resulting
+    in an invalid time:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 7
+
+    Any field that is not represented in the format will be set to zero.
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 8
+
+    \sa QDateTime::fromString() QDate::fromString() QDate::toString()
+    QDateTime::toString() QTime::toString()
+*/
+
+QTime QTime::fromString(const QString &string, const QString &format)
+{
+    QTime time;
+#ifndef QT_BOOTSTRAPPED
+    QDateTimeParser dt(QVariant::Time, QDateTimeParser::FromString);
+    if (dt.parseFormat(format))
+        dt.fromString(string, 0, &time);
+#else
+    Q_UNUSED(string);
+    Q_UNUSED(format);
+#endif
+    return time;
+}
+
+#endif // QT_NO_DATESTRING
+
+
+/*!
+    \overload
+
+    Returns true if the specified time is valid; otherwise returns
+    false.
+
+    The time is valid if \a h is in the range 0 to 23, \a m and
+    \a s are in the range 0 to 59, and \a ms is in the range 0 to 999.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 9
+*/
+
+bool QTime::isValid(int h, int m, int s, int ms)
+{
+    return (uint)h < 24 && (uint)m < 60 && (uint)s < 60 && (uint)ms < 1000;
+}
+
+
+/*!
+    Sets this time to the current time. This is practical for timing:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 10
+
+    \sa restart(), elapsed(), currentTime()
+*/
+
+void QTime::start()
+{
+    *this = currentTime();
+}
+
+/*!
+    Sets this time to the current time and returns the number of
+    milliseconds that have elapsed since the last time start() or
+    restart() was called.
+
+    This function is guaranteed to be atomic and is thus very handy
+    for repeated measurements. Call start() to start the first
+    measurement, and restart() for each later measurement.
+
+    Note that the counter wraps to zero 24 hours after the last call
+    to start() or restart().
+
+    \warning If the system's clock setting has been changed since the
+    last time start() or restart() was called, the result is
+    undefined. This can happen when daylight savings time is turned on
+    or off.
+
+    \sa start(), elapsed(), currentTime()
+*/
+
+int QTime::restart()
+{
+    QTime t = currentTime();
+    int n = msecsTo(t);
+    if (n < 0)                                // passed midnight
+        n += 86400*1000;
+    *this = t;
+    return n;
+}
+
+/*!
+    Returns the number of milliseconds that have elapsed since the
+    last time start() or restart() was called.
+
+    Note that the counter wraps to zero 24 hours after the last call
+    to start() or restart.
+
+    Note that the accuracy depends on the accuracy of the underlying
+    operating system; not all systems provide 1-millisecond accuracy.
+
+    \warning If the system's clock setting has been changed since the
+    last time start() or restart() was called, the result is
+    undefined. This can happen when daylight savings time is turned on
+    or off.
+
+    \sa start(), restart()
+*/
+
+int QTime::elapsed() const
+{
+    int n = msecsTo(currentTime());
+    if (n < 0)                                // passed midnight
+        n += 86400 * 1000;
+    return n;
+}
+
+
+/*****************************************************************************
+  QDateTime member functions
+ *****************************************************************************/
+
+/*!
+    \class QDateTime
+    \reentrant
+    \brief The QDateTime class provides date and time functions.
+
+    \ingroup time
+    \mainclass
+
+    A QDateTime object contains a calendar date and a clock time (a
+    "datetime"). It is a combination of the QDate and QTime classes.
+    It can read the current datetime from the system clock. It
+    provides functions for comparing datetimes and for manipulating a
+    datetime by adding a number of seconds, days, months, or years.
+
+    A QDateTime object is typically created either by giving a date
+    and time explicitly in the constructor, or by using the static
+    function currentDateTime() that returns a QDateTime object set
+    to the system clock's time. The date and time can be changed with
+    setDate() and setTime(). A datetime can also be set using the
+    setTime_t() function that takes a POSIX-standard "number of
+    seconds since 00:00:00 on January 1, 1970" value. The fromString()
+    function returns a QDateTime, given a string and a date format
+    used to interpret the date within the string.
+
+    The date() and time() functions provide access to the date and
+    time parts of the datetime. The same information is provided in
+    textual format by the toString() function.
+
+    QDateTime provides a full set of operators to compare two
+    QDateTime objects where smaller means earlier and larger means
+    later.
+
+    You can increment (or decrement) a datetime by a given number of
+    seconds using addSecs(), or days using addDays(). Similarly you can
+    use addMonths() and addYears(). The daysTo() function returns the
+    number of days between two datetimes, and secsTo() returns the
+    number of seconds between two datetimes.
+
+    QDateTime can store datetimes as \l{Qt::LocalTime}{local time} or
+    as \l{Qt::UTC}{UTC}. QDateTime::currentDateTime() returns a
+    QDateTime expressed as local time; use toUTC() to convert it to
+    UTC. You can also use timeSpec() to find out if a QDateTime
+    object stores a UTC time or a local time. Operations such as
+    addSecs() and secsTo() are aware of daylight saving time (DST).
+
+    \note QDateTime does not account for leap seconds.
+
+    \section1
+
+    \target QDateTime G and J
+    \section2 Use of Gregorian and Julian Calendars
+
+    QDate uses the Gregorian calendar in all locales, beginning
+    on the date 15 October 1582. For dates up to and including 4
+    October 1582, the Julian calendar is used.  This means there is a
+    10-day gap in the internal calendar between the 4th and the 15th
+    of October 1582. When you use QDateTime for dates in that epoch,
+    the day after 4 October 1582 is 15 October 1582, and the dates in
+    the gap are invalid.
+
+    The Julian to Gregorian changeover date used here is the date when
+    the Gregorian calendar was first introduced, by Pope Gregory
+    XIII. That change was not universally accepted and some localities
+    only executed it at a later date (if at all).  QDateTime
+    doesn't take any of these historical facts into account. If an
+    application must support a locale-specific dating system, it must
+    do so on its own, remembering to convert the dates using the
+    Julian day.
+
+    \section2 No Year 0
+
+    There is no year 0. Dates in that year are considered invalid. The
+    year -1 is the year "1 before Christ" or "1 before current era."
+    The day before 0001-01-01 is December 31st, 1 BCE.
+
+    \section2 Range of Valid Dates
+
+    The range of valid dates is from January 2nd, 4713 BCE, to
+    sometime in the year 11 million CE. The Julian Day returned by
+    QDate::toJulianDay() is a number in the contiguous range from 1 to
+    \e{overflow}, even across QDateTime's "date holes". It is suitable
+    for use in applications that must convert a QDateTime to a date in
+    another calendar system, e.g., Hebrew, Islamic or Chinese.
+
+    The Gregorian calendar was introduced in different places around
+    the world on different dates. QDateTime uses QDate to store the
+    date, so it uses the Gregorian calendar for all locales, beginning
+    on the date 15 October 1582. For dates up to and including 4
+    October 1582, QDateTime uses the Julian calendar.  This means
+    there is a 10-day gap in the QDateTime calendar between the 4th
+    and the 15th of October 1582. When you use QDateTime for dates in
+    that epoch, the day after 4 October 1582 is 15 October 1582, and
+    the dates in the gap are invalid.
+
+    \section2
+    Use of System Timezone
+
+    QDateTime uses the system's time zone information to determine the
+    offset of local time from UTC. If the system is not configured
+    correctly or not up-to-date, QDateTime will give wrong results as
+    well.
+
+    \section2 Daylight Savings Time (DST)
+
+    QDateTime takes into account the system's time zone information
+    when dealing with DST. On modern Unix systems, this means it
+    applies the correct historical DST data whenever possible. On
+    Windows and Windows CE, where the system doesn't support
+    historical DST data, historical accuracy is not maintained with
+    respect to DST.
+
+    The range of valid dates taking DST into account is 1970-01-01 to
+    the present, and rules are in place for handling DST correctly
+    until 2037-12-31, but these could change. For dates falling
+    outside that range, QDateTime makes a \e{best guess} using the
+    rules for year 1970 or 2037, but we can't guarantee accuracy. This
+    means QDateTime doesn't take into account changes in a locale's
+    time zone before 1970, even if the system's time zone database
+    supports that information.
+
+    \sa QDate QTime QDateTimeEdit
+*/
+
+/*!
+    Constructs a null datetime (i.e. null date and null time). A null
+    datetime is invalid, since the date is invalid.
+
+    \sa isValid()
+*/
+QDateTime::QDateTime()
+{
+    d = new QDateTimePrivate;
+}
+
+
+/*!
+    Constructs a datetime with the given \a date, a valid
+    time(00:00:00.000), and sets the timeSpec() to Qt::LocalTime.
+*/
+
+QDateTime::QDateTime(const QDate &date)
+{
+    d = new QDateTimePrivate;
+    d->date = date;
+    d->time = QTime(0, 0, 0);
+}
+
+/*!
+    Constructs a datetime with the given \a date and \a time, using
+    the time specification defined by \a spec.
+
+    If \a date is valid and \a time is not, the time will be set to midnight.
+*/
+
+QDateTime::QDateTime(const QDate &date, const QTime &time, Qt::TimeSpec spec)
+{
+    d = new QDateTimePrivate;
+    d->date = date;
+    d->time = date.isValid() && !time.isValid() ? QTime(0, 0, 0) : time;
+    d->spec = (spec == Qt::UTC) ? QDateTimePrivate::UTC : QDateTimePrivate::LocalUnknown;
+}
+
+/*!
+    Constructs a copy of the \a other datetime.
+*/
+
+QDateTime::QDateTime(const QDateTime &other)
+{
+    d = other.d;
+    d->ref.ref();
+}
+
+/*!
+    Destroys the datetime.
+*/
+QDateTime::~QDateTime()
+{
+    if (!d->ref.deref())
+        delete d;
+}
+
+/*!
+    Makes a copy of the \a other datetime and returns a reference to the
+    copy.
+*/
+
+QDateTime &QDateTime::operator=(const QDateTime &other)
+{
+    qAtomicAssign(d, other.d);
+    return *this;
+}
+
+/*!
+    Returns true if both the date and the time are null; otherwise
+    returns false. A null datetime is invalid.
+
+    \sa QDate::isNull(), QTime::isNull(), isValid()
+*/
+
+bool QDateTime::isNull() const
+{
+    return d->date.isNull() && d->time.isNull();
+}
+
+/*!
+    Returns true if both the date and the time are valid; otherwise
+    returns false.
+
+    \sa QDate::isValid(), QTime::isValid()
+*/
+
+bool QDateTime::isValid() const
+{
+    return d->date.isValid() && d->time.isValid();
+}
+
+/*!
+    Returns the date part of the datetime.
+
+    \sa setDate(), time(), timeSpec()
+*/
+
+QDate QDateTime::date() const
+{
+    return d->date;
+}
+
+/*!
+    Returns the time part of the datetime.
+
+    \sa setTime(), date(), timeSpec()
+*/
+
+QTime QDateTime::time() const
+{
+    return d->time;
+}
+
+/*!
+    Returns the time specification of the datetime.
+
+    \sa setTimeSpec(), date(), time(), Qt::TimeSpec
+*/
+
+Qt::TimeSpec QDateTime::timeSpec() const
+{
+    switch(d->spec)
+    {
+        case QDateTimePrivate::UTC:
+            return Qt::UTC;
+        case QDateTimePrivate::OffsetFromUTC:
+            return Qt::OffsetFromUTC;
+        default:
+            return Qt::LocalTime;
+    }
+}
+
+/*!
+    Sets the date part of this datetime to \a date.
+    If no time is set, it is set to midnight.
+
+    \sa date(), setTime(), setTimeSpec()
+*/
+
+void QDateTime::setDate(const QDate &date)
+{
+    detach();
+    d->date = date;
+    if (d->spec == QDateTimePrivate::LocalStandard
+        || d->spec == QDateTimePrivate::LocalDST)
+        d->spec = QDateTimePrivate::LocalUnknown;
+    if (date.isValid() && !d->time.isValid())
+        d->time = QTime(0, 0, 0);
+}
+
+/*!
+    Sets the time part of this datetime to \a time.
+
+    \sa time(), setDate(), setTimeSpec()
+*/
+
+void QDateTime::setTime(const QTime &time)
+{
+    detach();
+    if (d->spec == QDateTimePrivate::LocalStandard
+        || d->spec == QDateTimePrivate::LocalDST)
+        d->spec = QDateTimePrivate::LocalUnknown;
+    d->time = time;
+}
+
+/*!
+    Sets the time specification used in this datetime to \a spec.
+
+    \sa timeSpec(), setDate(), setTime(), Qt::TimeSpec
+*/
+
+void QDateTime::setTimeSpec(Qt::TimeSpec spec)
+{
+    detach();
+
+    switch(spec)
+    {
+        case Qt::UTC:
+            d->spec = QDateTimePrivate::UTC;
+            break;
+        case Qt::OffsetFromUTC:
+            d->spec = QDateTimePrivate::OffsetFromUTC;
+            break;
+        default:
+            d->spec = QDateTimePrivate::LocalUnknown;
+            break;
+    }
+}
+
+static uint toTime_tHelper(const QDate &utcDate, const QTime &utcTime)
+{
+    int days = QDate(1970, 1, 1).daysTo(utcDate);
+    int secs = QTime().secsTo(utcTime);
+    if (days < 0 || (days == 0 && secs < 0))
+        return uint(-1);
+
+    qlonglong retval = (qlonglong(days) * SECS_PER_DAY) + secs;
+    if (retval >= Q_INT64_C(0xFFFFFFFF))
+        return uint(-1);
+    return uint(retval);
+}
+
+/*!
+    Returns the datetime as the number of seconds that have passed
+    since 1970-01-01T00:00:00, Coordinated Universal Time (Qt::UTC).
+
+    On systems that do not support time zones, this function will
+    behave as if local time were Qt::UTC.
+
+    \sa setTime_t()
+*/
+
+uint QDateTime::toTime_t() const
+{
+    QDate utcDate;
+    QTime utcTime;
+    d->getUTC(utcDate, utcTime);
+
+    return toTime_tHelper(utcDate, utcTime);
+}
+
+/*!
+    \fn void QDateTime::setTime_t(uint seconds)
+
+    Sets the date and time given the number of \a seconds that have
+    passed since 1970-01-01T00:00:00, Coordinated Universal Time
+    (Qt::UTC). On systems that do not support time zones this function
+    will behave as if local time were Qt::UTC.
+
+    \sa toTime_t()
+*/
+
+void QDateTime::setTime_t(uint secsSince1Jan1970UTC)
+{
+    detach();
+
+    QDateTimePrivate::Spec oldSpec = d->spec;
+
+    d->date = QDate(1970, 1, 1).addDays(secsSince1Jan1970UTC / SECS_PER_DAY);
+    d->time = QTime().addSecs(secsSince1Jan1970UTC % SECS_PER_DAY);
+    d->spec = QDateTimePrivate::UTC;
+
+    if (oldSpec != QDateTimePrivate::UTC)
+        d->spec = d->getLocal(d->date, d->time);
+}
+
+#ifndef QT_NO_DATESTRING
+/*!
+    \fn QString QDateTime::toString(Qt::DateFormat format) const
+
+    \overload
+
+    Returns the datetime as a string in the \a format given.
+
+    If the \a format is Qt::TextDate, the string is formatted in
+    the default way. QDate::shortDayName(), QDate::shortMonthName(),
+    and QTime::toString() are used to generate the string, so the
+    day and month names will be localized names. An example of this
+    formatting is "Wed May 20 03:40:13 1998".
+
+    If the \a format is Qt::ISODate, the string format corresponds
+    to the ISO 8601 extended specification for representations of
+    dates and times, taking the form YYYY-MM-DDTHH:MM:SS.
+
+    If the \a format is Qt::SystemLocaleShortDate or
+    Qt::SystemLocaleLongDate, the string format depends on the locale
+    settings of the system. Identical to calling
+    QLocale::system().toString(datetime, QLocale::ShortFormat) or
+    QLocale::system().toString(datetime, QLocale::LongFormat).
+
+    If the \a format is Qt::DefaultLocaleShortDate or
+    Qt::DefaultLocaleLongDate, the string format depends on the
+    default application locale. This is the locale set with
+    QLocale::setDefault(), or the system locale if no default locale
+    has been set. Identical to calling QLocale().toString(datetime,
+    QLocale::ShortFormat) or QLocale().toString(datetime,
+    QLocale::LongFormat).
+
+    If the datetime is invalid, an empty string will be returned.
+
+    \warning The Qt::ISODate format is only valid for years in the
+    range 0 to 9999. This restriction may apply to locale-aware
+    formats as well, depending on the locale settings.
+
+    \sa QDate::toString() QTime::toString() Qt::DateFormat
+*/
+
+QString QDateTime::toString(Qt::DateFormat f) const
+{
+    QString buf;
+    if (!isValid())
+        return buf;
+
+    if (f == Qt::ISODate) {
+        buf = d->date.toString(Qt::ISODate);
+        if (buf.isEmpty())
+            return QString();   // failed to convert
+        buf += QLatin1Char('T');
+        buf += d->time.toString(Qt::ISODate);
+    }
+#ifndef QT_NO_TEXTDATE
+    else if (f == Qt::TextDate) {
+#ifndef Q_WS_WIN
+        buf = d->date.shortDayName(d->date.dayOfWeek());
+        buf += QLatin1Char(' ');
+        buf += d->date.shortMonthName(d->date.month());
+        buf += QLatin1Char(' ');
+        buf += QString::number(d->date.day());
+#else
+        QString winstr;
+        QT_WA({
+            TCHAR out[255];
+            GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ILDATE, out, 255);
+            winstr = QString::fromUtf16((ushort*)out);
+        } , {
+            char out[255];
+            GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_ILDATE, (char*)&out, 255);
+            winstr = QString::fromLocal8Bit(out);
+        });
+        switch (winstr.toInt()) {
+        case 1:
+            buf = d->date.shortDayName(d->date.dayOfWeek());
+            buf += QLatin1Char(' ');
+            buf += QString::number(d->date.day());
+            buf += QLatin1String(". ");
+            buf += d->date.shortMonthName(d->date.month());
+            break;
+        default:
+            buf = d->date.shortDayName(d->date.dayOfWeek());
+            buf += QLatin1Char(' ');
+            buf += d->date.shortMonthName(d->date.month());
+            buf += QLatin1Char(' ');
+            buf += QString::number(d->date.day());
+        }
+#endif
+        buf += QLatin1Char(' ');
+        buf += d->time.toString();
+        buf += QLatin1Char(' ');
+        buf += QString::number(d->date.year());
+    }
+#endif
+    else {
+        buf = d->date.toString(f);
+        if (buf.isEmpty())
+            return QString();   // failed to convert
+        buf += QLatin1Char(' ');
+        buf += d->time.toString(f);
+    }
+
+    return buf;
+}
+
+/*!
+    Returns the datetime as a string. The \a format parameter
+    determines the format of the result string.
+
+    These expressions may be used for the date:
+
+    \table
+    \header \i Expression \i Output
+    \row \i d \i the day as number without a leading zero (1 to 31)
+    \row \i dd \i the day as number with a leading zero (01 to 31)
+    \row \i ddd
+            \i the abbreviated localized day name (e.g. 'Mon' to 'Sun').
+            Uses QDate::shortDayName().
+    \row \i dddd
+            \i the long localized day name (e.g. 'Monday' to 'Qt::Sunday').
+            Uses QDate::longDayName().
+    \row \i M \i the month as number without a leading zero (1-12)
+    \row \i MM \i the month as number with a leading zero (01-12)
+    \row \i MMM
+            \i the abbreviated localized month name (e.g. 'Jan' to 'Dec').
+            Uses QDate::shortMonthName().
+    \row \i MMMM
+            \i the long localized month name (e.g. 'January' to 'December').
+            Uses QDate::longMonthName().
+    \row \i yy \i the year as two digit number (00-99)
+    \row \i yyyy \i the year as four digit number
+    \endtable
+
+    These expressions may be used for the time:
+
+    \table
+    \header \i Expression \i Output
+    \row \i h
+         \i the hour without a leading zero (0 to 23 or 1 to 12 if AM/PM display)
+    \row \i hh
+         \i the hour with a leading zero (00 to 23 or 01 to 12 if AM/PM display)
+    \row \i m \i the minute without a leading zero (0 to 59)
+    \row \i mm \i the minute with a leading zero (00 to 59)
+    \row \i s \i the second without a leading zero (0 to 59)
+    \row \i ss \i the second with a leading zero (00 to 59)
+    \row \i z \i the milliseconds without leading zeroes (0 to 999)
+    \row \i zzz \i the milliseconds with leading zeroes (000 to 999)
+    \row \i AP
+            \i use AM/PM display. \e AP will be replaced by either "AM" or "PM".
+    \row \i ap
+            \i use am/pm display. \e ap will be replaced by either "am" or "pm".
+    \endtable
+
+    All other input characters will be ignored. Any sequence of characters that
+    are enclosed in singlequotes will be treated as text and not be used as an
+    expression. Two consecutive singlequotes ("''") are replaced by a singlequote
+    in the output.
+
+    Example format strings (assumed that the QDateTime is 21 May 2001
+    14:13:09):
+
+    \table
+    \header \i Format       \i Result
+    \row \i dd.MM.yyyy      \i 21.05.2001
+    \row \i ddd MMMM d yy   \i Tue May 21 01
+    \row \i hh:mm:ss.zzz    \i 14:13:09.042
+    \row \i h:m:s ap        \i 2:13:9 pm
+    \endtable
+
+    If the datetime is invalid, an empty string will be returned.
+
+    \sa QDate::toString() QTime::toString()
+*/
+QString QDateTime::toString(const QString& format) const
+{
+    return fmtDateTime(format, &d->time, &d->date);
+}
+#endif //QT_NO_DATESTRING
+
+/*!
+    Returns a QDateTime object containing a datetime \a ndays days
+    later than the datetime of this object (or earlier if \a ndays is
+    negative).
+
+    \sa daysTo(), addMonths(), addYears(), addSecs()
+*/
+
+QDateTime QDateTime::addDays(int ndays) const
+{
+    return QDateTime(d->date.addDays(ndays), d->time, timeSpec());
+}
+
+/*!
+    Returns a QDateTime object containing a datetime \a nmonths months
+    later than the datetime of this object (or earlier if \a nmonths
+    is negative).
+
+    \sa daysTo(), addDays(), addYears(), addSecs()
+*/
+
+QDateTime QDateTime::addMonths(int nmonths) const
+{
+    return QDateTime(d->date.addMonths(nmonths), d->time, timeSpec());
+}
+
+/*!
+    Returns a QDateTime object containing a datetime \a nyears years
+    later than the datetime of this object (or earlier if \a nyears is
+    negative).
+
+    \sa daysTo(), addDays(), addMonths(), addSecs()
+*/
+
+QDateTime QDateTime::addYears(int nyears) const
+{
+    return QDateTime(d->date.addYears(nyears), d->time, timeSpec());
+}
+
+QDateTime QDateTimePrivate::addMSecs(const QDateTime &dt, qint64 msecs)
+{
+    QDate utcDate;
+    QTime utcTime;
+    dt.d->getUTC(utcDate, utcTime);
+
+    addMSecs(utcDate, utcTime, msecs);
+
+    return QDateTime(utcDate, utcTime, Qt::UTC).toTimeSpec(dt.timeSpec());
+}
+
+/*!
+ Adds \a msecs to utcDate and \a utcTime as appropriate. It is assumed that
+ utcDate and utcTime are adjusted to UTC.
+
+ \since 4.5
+ \internal
+ */
+void QDateTimePrivate::addMSecs(QDate &utcDate, QTime &utcTime, qint64 msecs)
+{
+    uint dd = utcDate.jd;
+    int tt = utcTime.ds();
+    int sign = 1;
+    if (msecs < 0) {
+        msecs = -msecs;
+        sign = -1;
+    }
+    if (msecs >= int(MSECS_PER_DAY)) {
+        dd += sign * (msecs / MSECS_PER_DAY);
+        msecs %= MSECS_PER_DAY;
+    }
+
+    tt += sign * msecs;
+    if (tt < 0) {
+        tt = MSECS_PER_DAY - tt - 1;
+        dd -= tt / MSECS_PER_DAY;
+        tt = tt % MSECS_PER_DAY;
+        tt = MSECS_PER_DAY - tt - 1;
+    } else if (tt >= int(MSECS_PER_DAY)) {
+        dd += tt / MSECS_PER_DAY;
+        tt = tt % MSECS_PER_DAY;
+    }
+
+    utcDate.jd = dd;
+    utcTime.mds = tt;
+}
+
+/*!
+    Returns a QDateTime object containing a datetime \a s seconds
+    later than the datetime of this object (or earlier if \a s is
+    negative).
+
+    \sa addMSecs(), secsTo(), addDays(), addMonths(), addYears()
+*/
+
+QDateTime QDateTime::addSecs(int s) const
+{
+    return d->addMSecs(*this, qint64(s) * 1000);
+}
+
+/*!
+    Returns a QDateTime object containing a datetime \a msecs miliseconds
+    later than the datetime of this object (or earlier if \a msecs is
+    negative).
+
+    \sa addSecs(), secsTo(), addDays(), addMonths(), addYears()
+*/
+QDateTime QDateTime::addMSecs(qint64 msecs) const
+{
+    return d->addMSecs(*this, msecs);
+}
+
+/*!
+    Returns the number of days from this datetime to the \a other
+    datetime. If the \a other datetime is earlier than this datetime,
+    the value returned is negative.
+
+    \sa addDays(), secsTo()
+*/
+
+int QDateTime::daysTo(const QDateTime &other) const
+{
+    return d->date.daysTo(other.d->date);
+}
+
+/*!
+    Returns the number of seconds from this datetime to the \a other
+    datetime. If the \a other datetime is earlier than this datetime,
+    the value returned is negative.
+
+    Before performing the comparison, the two datetimes are converted
+    to Qt::UTC to ensure that the result is correct if one of the two
+    datetimes has daylight saving time (DST) and the other doesn't.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 11
+
+    \sa addSecs(), daysTo(), QTime::secsTo()
+*/
+
+int QDateTime::secsTo(const QDateTime &other) const
+{
+    QDate date1, date2;
+    QTime time1, time2;
+
+    d->getUTC(date1, time1);
+    other.d->getUTC(date2, time2);
+
+    return (date1.daysTo(date2) * SECS_PER_DAY) + time1.secsTo(time2);
+}
+
+/*!
+    \fn QDateTime QDateTime::toTimeSpec(Qt::TimeSpec specification) const
+
+    Returns a copy of this datetime configured to use the given time
+    \a specification.
+
+    \sa timeSpec(), toUTC(), toLocalTime()
+*/
+
+QDateTime QDateTime::toTimeSpec(Qt::TimeSpec spec) const
+{
+    if ((d->spec == QDateTimePrivate::UTC) == (spec == Qt::UTC))
+        return *this;
+
+    QDateTime ret;
+    if (spec == Qt::UTC) {
+        d->getUTC(ret.d->date, ret.d->time);
+        ret.d->spec = QDateTimePrivate::UTC;
+    } else {
+        ret.d->spec = d->getLocal(ret.d->date, ret.d->time);
+    }
+    return ret;
+}
+
+/*!
+    Returns true if this datetime is equal to the \a other datetime;
+    otherwise returns false.
+
+    \sa operator!=()
+*/
+
+bool QDateTime::operator==(const QDateTime &other) const
+{
+    if (d->spec == other.d->spec && d->utcOffset == other.d->utcOffset)
+        return d->time == other.d->time && d->date == other.d->date;
+    else {
+        QDate date1, date2;
+        QTime time1, time2;
+
+        d->getUTC(date1, time1);
+        other.d->getUTC(date2, time2);
+        return time1 == time2 && date1 == date2;
+    }
+}
+
+/*!
+    \fn bool QDateTime::operator!=(const QDateTime &other) const
+
+    Returns true if this datetime is different from the \a other
+    datetime; otherwise returns false.
+
+    Two datetimes are different if either the date, the time, or the
+    time zone components are different.
+
+    \sa operator==()
+*/
+
+/*!
+    Returns true if this datetime is earlier than the \a other
+    datetime; otherwise returns false.
+*/
+
+bool QDateTime::operator<(const QDateTime &other) const
+{
+    if (d->spec == other.d->spec && d->spec != QDateTimePrivate::OffsetFromUTC) {
+        if (d->date != other.d->date)
+            return d->date < other.d->date;
+        return d->time < other.d->time;
+    } else {
+        QDate date1, date2;
+        QTime time1, time2;
+        d->getUTC(date1, time1);
+        other.d->getUTC(date2, time2);
+        if (date1 != date2)
+            return date1 < date2;
+        return time1 < time2;
+    }
+}
+
+/*!
+    \fn bool QDateTime::operator<=(const QDateTime &other) const
+
+    Returns true if this datetime is earlier than or equal to the
+    \a other datetime; otherwise returns false.
+*/
+
+/*!
+    \fn bool QDateTime::operator>(const QDateTime &other) const
+
+    Returns true if this datetime is later than the \a other datetime;
+    otherwise returns false.
+*/
+
+/*!
+    \fn bool QDateTime::operator>=(const QDateTime &other) const
+
+    Returns true if this datetime is later than or equal to the
+    \a other datetime; otherwise returns false.
+*/
+
+/*!
+    Returns the current datetime, as reported by the system clock, in
+    the local time zone.
+
+    \sa QDate::currentDate(), QTime::currentTime(), toTimeSpec()
+*/
+
+QDateTime QDateTime::currentDateTime()
+{
+#if defined(Q_OS_WIN)
+    QDate d;
+    QTime t;
+    SYSTEMTIME st;
+    memset(&st, 0, sizeof(SYSTEMTIME));
+    GetLocalTime(&st);
+    d.jd = julianDayFromDate(st.wYear, st.wMonth, st.wDay);
+    t.mds = MSECS_PER_HOUR * st.wHour + MSECS_PER_MIN * st.wMinute + 1000 * st.wSecond
+            + st.wMilliseconds;
+    return QDateTime(d, t);
+#else
+#if defined(Q_OS_UNIX)
+    // posix compliant system
+    // we have milliseconds
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    time_t ltime = tv.tv_sec;
+    tm *t = 0;
+
+#if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS)
+    // use the reentrant version of localtime() where available
+    tzset();
+    tm res;
+    t = localtime_r(&ltime, &res);
+#else
+    t = localtime(&ltime);
+#endif
+
+    QDateTime dt;
+    dt.d->time.mds = MSECS_PER_HOUR * t->tm_hour + MSECS_PER_MIN * t->tm_min + 1000 * t->tm_sec
+                     + tv.tv_usec / 1000;
+#else
+    time_t ltime; // no millisecond resolution
+    ::time(&ltime);
+    tm *t = 0;
+    localtime(&ltime);
+    dt.d->time.mds = MSECS_PER_HOUR * t->tm_hour + MSECS_PER_MIN * t->tm_min + 1000 * t->tm_sec;
+#endif // Q_OS_UNIX
+
+    dt.d->date.jd = julianDayFromDate(t->tm_year + 1900, t->tm_mon + 1, t->tm_mday);
+    dt.d->spec = t->tm_isdst > 0  ? QDateTimePrivate::LocalDST :
+                 t->tm_isdst == 0 ? QDateTimePrivate::LocalStandard :
+                 QDateTimePrivate::LocalUnknown;
+    return dt;
+#endif
+}
+
+/*!
+  \since 4.2
+
+  Returns a datetime whose date and time are the number of \a seconds
+  that have passed since 1970-01-01T00:00:00, Coordinated Universal
+  Time (Qt::UTC). On systems that do not support time zones, the time
+  will be set as if local time were Qt::UTC.
+
+  \sa toTime_t(), setTime_t()
+*/
+QDateTime QDateTime::fromTime_t(uint seconds)
+{
+    QDateTime d;
+    d.setTime_t(seconds);
+    return d;
+}
+
+/*!
+ \since 4.4
+ \internal
+
+ Sets the offset from UTC to \a seconds, and also sets timeSpec() to
+ Qt::OffsetFromUTC.
+
+ The maximum and minimum offset is 14 positive or negative hours.  If
+ \a seconds is larger or smaller than that, the result is undefined.
+
+ 0 as offset is identical to UTC. Therefore, if \a seconds is 0, the
+ timeSpec() will be set to Qt::UTC. Hence the UTC offset always
+ relates to UTC, and can never relate to local time.
+
+ \sa isValid(), utcOffset()
+ */
+void QDateTime::setUtcOffset(int seconds)
+{
+    detach();
+
+    /* The motivation to also setting d->spec is to ensure that the QDateTime
+     * instance stay in well-defined states all the time, instead of that
+     * we instruct the user to ensure it. */
+    if(seconds == 0)
+        d->spec = QDateTimePrivate::UTC;
+    else
+        d->spec = QDateTimePrivate::OffsetFromUTC;
+
+    /* Even if seconds is 0 we assign it to utcOffset. */
+    d->utcOffset = seconds;
+}
+
+/*!
+ \since 4.4
+ \internal
+
+ Returns the UTC offset in seconds. If the timeSpec() isn't
+ Qt::OffsetFromUTC, 0 is returned. However, since 0 is a valid UTC
+ offset the return value of this function cannot be used to determine
+ whether a utcOffset() is used or is valid, timeSpec() must be
+ checked.
+
+ Likewise, if this QDateTime() is invalid or if timeSpec() isn't
+ Qt::OffsetFromUTC, 0 is returned.
+
+ The UTC offset only applies if the timeSpec() is Qt::OffsetFromUTC.
+
+ \sa isValid(), setUtcOffset()
+ */
+int QDateTime::utcOffset() const
+{
+    if(isValid() && d->spec == QDateTimePrivate::OffsetFromUTC)
+        return d->utcOffset;
+    else
+        return 0;
+}
+
+#ifndef QT_NO_DATESTRING
+
+static int fromShortMonthName(const QString &monthName)
+{
+    // Assume that English monthnames are the default
+    for (int i = 0; i < 12; ++i) {
+        if (monthName == QLatin1String(qt_shortMonthNames[i]))
+            return i + 1;
+    }
+    // If English names can't be found, search the localized ones
+    for (int i = 1; i <= 12; ++i) {
+        if (monthName == QDate::shortMonthName(i))
+            return i;
+    }
+    return -1;
+}
+
+/*!
+    \fn QDateTime QDateTime::fromString(const QString &string, Qt::DateFormat format)
+
+    Returns the QDateTime represented by the \a string, using the
+    \a format given, or an invalid datetime if this is not possible.
+
+    Note for Qt::TextDate: It is recommended that you use the
+    English short month names (e.g. "Jan"). Although localized month
+    names can also be used, they depend on the user's locale settings.
+*/
+QDateTime QDateTime::fromString(const QString& s, Qt::DateFormat f)
+{
+    if (s.isEmpty()) {
+        return QDateTime();
+    }
+
+    switch (f) {
+    case Qt::ISODate: {
+        QString tmp = s;
+        Qt::TimeSpec ts = Qt::LocalTime;
+        const QDate date = QDate::fromString(tmp.left(10), Qt::ISODate);
+        if (tmp.size() == 10)
+            return QDateTime(date);
+
+        // Recognize UTC specifications
+        if (tmp.endsWith(QLatin1Char('Z'))) {
+            ts = Qt::UTC;
+            tmp.chop(1);
+        }
+        return QDateTime(date, QTime::fromString(tmp.mid(11), Qt::ISODate), ts);
+    }
+    case Qt::SystemLocaleDate:
+    case Qt::SystemLocaleShortDate:
+    case Qt::SystemLocaleLongDate:
+        return fromString(s, QLocale::system().dateTimeFormat(f == Qt::SystemLocaleLongDate ? QLocale::LongFormat
+                                                                                            : QLocale::ShortFormat));
+    case Qt::LocaleDate:
+    case Qt::DefaultLocaleShortDate:
+    case Qt::DefaultLocaleLongDate:
+        return fromString(s, QLocale().dateTimeFormat(f == Qt::DefaultLocaleLongDate ? QLocale::LongFormat
+                                                                                     : QLocale::ShortFormat));
+#if !defined(QT_NO_TEXTDATE)
+    case Qt::TextDate: {
+        QStringList parts = s.split(QLatin1Char(' '), QString::SkipEmptyParts);
+
+        if ((parts.count() < 5) || (parts.count() > 6)) {
+            return QDateTime();
+        }
+
+        // Accept "Sun Dec 1 13:02:00 1974" and "Sun 1. Dec 13:02:00 1974"
+        int month = -1, day = -1;
+        bool ok;
+
+        month = fromShortMonthName(parts.at(1));
+        if (month != -1) {
+            day = parts.at(2).toInt(&ok);
+            if (!ok)
+                day = -1;
+        }
+
+        if (month == -1 || day == -1) {
+            // first variant failed, lets try the other
+            month = fromShortMonthName(parts.at(2));
+            if (month != -1) {
+                QString dayStr = parts.at(1);
+                if (dayStr.endsWith(QLatin1Char('.'))) {
+                    dayStr.chop(1);
+                    day = dayStr.toInt(&ok);
+                    if (!ok)
+                        day = -1;
+                } else {
+                    day = -1;
+                }
+            }
+        }
+
+        if (month == -1 || day == -1) {
+            // both variants failed, give up
+            return QDateTime();
+        }
+
+        int year;
+        QStringList timeParts = parts.at(3).split(QLatin1Char(':'));
+        if ((timeParts.count() == 3) || (timeParts.count() == 2)) {
+            year = parts.at(4).toInt(&ok);
+            if (!ok)
+                return QDateTime();
+        } else {
+            timeParts = parts.at(4).split(QLatin1Char(':'));
+            if ((timeParts.count() != 3) && (timeParts.count() != 2))
+                return QDateTime();
+            year = parts.at(3).toInt(&ok);
+            if (!ok)
+                return QDateTime();
+        }
+
+        int hour = timeParts.at(0).toInt(&ok);
+        if (!ok) {
+            return QDateTime();
+        }
+
+        int minute = timeParts.at(1).toInt(&ok);
+        if (!ok) {
+            return QDateTime();
+        }
+
+        int second = (timeParts.count() > 2) ? timeParts.at(2).toInt(&ok) : 0;
+        if (!ok) {
+            return QDateTime();
+        }
+
+        QDate date(year, month, day);
+        QTime time(hour, minute, second);
+
+        if (parts.count() == 5)
+            return QDateTime(date, time, Qt::LocalTime);
+
+        QString tz = parts.at(5);
+        if (!tz.startsWith(QLatin1String("GMT"), Qt::CaseInsensitive))
+            return QDateTime();
+        int tzoffset = 0;
+        if (tz.length() > 3) {
+            QChar sign = tz.at(3);
+            if ((sign != QLatin1Char('+'))
+                && (sign != QLatin1Char('-'))) {
+                return QDateTime();
+            }
+            int tzhour = tz.mid(4, 2).toInt(&ok);
+            if (!ok)
+                return QDateTime();
+            int tzminute = tz.mid(6).toInt(&ok);
+            if (!ok)
+                return QDateTime();
+            tzoffset = (tzhour*60 + tzminute) * 60;
+            if (sign == QLatin1Char('-'))
+                tzoffset = -tzoffset;
+        }
+        return QDateTime(date, time, Qt::UTC).addSecs(-tzoffset).toLocalTime();
+    }
+#endif //QT_NO_TEXTDATE
+    }
+
+    return QDateTime();
+}
+
+/*!
+    \fn QDateTime::fromString(const QString &string, const QString &format)
+
+    Returns the QDateTime represented by the \a string, using the \a
+    format given, or an invalid datetime if the string cannot be parsed.
+
+    These expressions may be used for the date part of the format string:
+
+    \table
+    \header \i Expression \i Output
+    \row \i d \i the day as number without a leading zero (1 to 31)
+    \row \i dd \i the day as number with a leading zero (01 to 31)
+    \row \i ddd
+            \i the abbreviated localized day name (e.g. 'Mon' to 'Sun').
+            Uses QDate::shortDayName().
+    \row \i dddd
+            \i the long localized day name (e.g. 'Monday' to 'Sunday').
+            Uses QDate::longDayName().
+    \row \i M \i the month as number without a leading zero (1-12)
+    \row \i MM \i the month as number with a leading zero (01-12)
+    \row \i MMM
+            \i the abbreviated localized month name (e.g. 'Jan' to 'Dec').
+            Uses QDate::shortMonthName().
+    \row \i MMMM
+            \i the long localized month name (e.g. 'January' to 'December').
+            Uses QDate::longMonthName().
+    \row \i yy \i the year as two digit number (00-99)
+    \row \i yyyy \i the year as four digit number
+    \endtable
+
+    \note Unlike the other version of this function, day and month names must
+    be given in the user's local language. It is only possible to use the English
+    names if the user's language is English.
+
+    These expressions may be used for the time part of the format string:
+
+    \table
+    \header \i Expression \i Output
+    \row \i h
+            \i the hour without a leading zero (0 to 23 or 1 to 12 if AM/PM display)
+    \row \i hh
+            \i the hour with a leading zero (00 to 23 or 01 to 12 if AM/PM display)
+    \row \i H
+            \i the hour without a leading zero (0 to 23, even with AM/PM display)
+    \row \i HH
+            \i the hour with a leading zero (00 to 23, even with AM/PM display)
+    \row \i m \i the minute without a leading zero (0 to 59)
+    \row \i mm \i the minute with a leading zero (00 to 59)
+    \row \i s \i the second without a leading zero (0 to 59)
+    \row \i ss \i the second with a leading zero (00 to 59)
+    \row \i z \i the milliseconds without leading zeroes (0 to 999)
+    \row \i zzz \i the milliseconds with leading zeroes (000 to 999)
+    \row \i AP or A
+         \i interpret as an AM/PM time. \e AP must be either "AM" or "PM".
+    \row \i ap or a
+         \i Interpret as an AM/PM time. \e ap must be either "am" or "pm".
+    \endtable
+
+    All other input characters will be treated as text. Any sequence
+    of characters that are enclosed in singlequotes will also be
+    treated as text and not be used as an expression.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 12
+
+    If the format is not satisfied an invalid QDateTime is returned.
+    The expressions that don't have leading zeroes (d, M, h, m, s, z) will be
+    greedy. This means that they will use two digits even if this will
+    put them outside the range and/or leave too few digits for other
+    sections.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 13
+
+    This could have meant 1 January 00:30.00 but the M will grab
+    two digits.
+
+    For any field that is not represented in the format the following
+    defaults are used:
+
+    \table
+    \header \i Field  \i Default value
+    \row    \i Year   \i 1900
+    \row    \i Month  \i 1 (January)
+    \row    \i Day    \i 1
+    \row    \i Hour   \i 0
+    \row    \i Minute \i 0
+    \row    \i Second \i 0
+    \endtable
+
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qdatetime.cpp 14
+
+    \sa QDate::fromString() QTime::fromString() QDate::toString()
+    QDateTime::toString() QTime::toString()
+*/
+
+QDateTime QDateTime::fromString(const QString &string, const QString &format)
+{
+#ifndef QT_BOOTSTRAPPED
+    QTime time;
+    QDate date;
+
+    QDateTimeParser dt(QVariant::DateTime, QDateTimeParser::FromString);
+    if (dt.parseFormat(format) && dt.fromString(string, &date, &time))
+        return QDateTime(date, time);
+#else
+    Q_UNUSED(string);
+    Q_UNUSED(format);
+#endif
+    return QDateTime(QDate(), QTime(-1, -1, -1));
+}
+
+#endif // QT_NO_DATESTRING
+/*!
+    \fn QDateTime QDateTime::toLocalTime() const
+
+    Returns a datetime containing the date and time information in
+    this datetime, but specified using the Qt::LocalTime definition.
+
+    \sa toTimeSpec()
+*/
+
+/*!
+    \fn QDateTime QDateTime::toUTC() const
+
+    Returns a datetime containing the date and time information in
+    this datetime, but specified using the Qt::UTC definition.
+
+    \sa toTimeSpec()
+*/
+
+/*! \internal
+ */
+void QDateTime::detach()
+{
+    qAtomicDetach(d);
+}
+
+/*****************************************************************************
+  Date/time stream functions
+ *****************************************************************************/
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    \relates QDate
+
+    Writes the \a date to stream \a out.
+
+    \sa {Format of the QDataStream operators}
+*/
+
+QDataStream &operator<<(QDataStream &out, const QDate &date)
+{
+    return out << (quint32)(date.jd);
+}
+
+/*!
+    \relates QDate
+
+    Reads a date from stream \a in into the \a date.
+
+    \sa {Format of the QDataStream operators}
+*/
+
+QDataStream &operator>>(QDataStream &in, QDate &date)
+{
+    quint32 jd;
+    in >> jd;
+    date.jd = jd;
+    return in;
+}
+
+/*!
+    \relates QTime
+
+    Writes \a time to stream \a out.
+
+    \sa {Format of the QDataStream operators}
+*/
+
+QDataStream &operator<<(QDataStream &out, const QTime &time)
+{
+    return out << quint32(time.mds);
+}
+
+/*!
+    \relates QTime
+
+    Reads a time from stream \a in into the given \a time.
+
+    \sa {Format of the QDataStream operators}
+*/
+
+QDataStream &operator>>(QDataStream &in, QTime &time)
+{
+    quint32 ds;
+    in >> ds;
+    time.mds = int(ds);
+    return in;
+}
+
+/*!
+    \relates QDateTime
+
+    Writes \a dateTime to the \a out stream.
+
+    \sa {Format of the QDataStream operators}
+*/
+QDataStream &operator<<(QDataStream &out, const QDateTime &dateTime)
+{
+    out << dateTime.d->date << dateTime.d->time;
+    if (out.version() >= 7)
+        out << (qint8)dateTime.d->spec;
+    return out;
+}
+
+/*!
+    \relates QDateTime
+
+    Reads a datetime from the stream \a in into \a dateTime.
+
+    \sa {Format of the QDataStream operators}
+*/
+
+QDataStream &operator>>(QDataStream &in, QDateTime &dateTime)
+{
+    dateTime.detach();
+
+    qint8 ts = (qint8)QDateTimePrivate::LocalUnknown;
+    in >> dateTime.d->date >> dateTime.d->time;
+    if (in.version() >= 7)
+        in >> ts;
+    dateTime.d->spec = (QDateTimePrivate::Spec)ts;
+    return in;
+}
+#endif // QT_NO_DATASTREAM
+
+
+/*!
+    \fn QString QDate::monthName(int month)
+
+    Use shortMonthName() instead.
+*/
+
+/*!
+    \fn QString QDate::dayName(int weekday)
+
+    Use shortDayName() instead.
+*/
+
+/*!
+    \fn bool QDate::leapYear(int year)
+
+    Use isLeapYear() instead.
+*/
+
+/*!
+    \fn QDate QDate::currentDate(Qt::TimeSpec spec)
+
+    If \a spec is Qt::LocalTime, use the currentDate() overload that
+    takes no parameters instead; otherwise, use
+    QDateTime::currentDateTime().
+
+    \oldcode
+        QDate localDate = QDate::currentDate(Qt::LocalTime);
+        QDate utcDate = QDate::currentDate(Qt::UTC);
+    \newcode
+        QDate localDate = QDate::currentDate();
+        QDate utcDate = QDateTime::currentDateTime().toUTC().date();
+    \endcode
+
+    \sa QDateTime::toUTC()
+*/
+
+/*!
+    \fn QTime QTime::currentTime(Qt::TimeSpec specification)
+
+    Returns the current time for the given \a specification.
+
+    To replace uses of this function where the \a specification is Qt::LocalTime,
+    use the currentDate() overload that takes no parameters instead; otherwise,
+    use QDateTime::currentDateTime() and convert the result to a UTC measurement.
+
+    \oldcode
+        QTime localTime = QTime::currentTime(Qt::LocalTime);
+        QTime utcTime = QTime::currentTime(Qt::UTC);
+    \newcode
+        QTime localTime = QTime::currentTime();
+        QTime utcTime = QTimeTime::currentDateTime().toUTC().time();
+    \endcode
+
+    \sa QDateTime::toUTC()
+*/
+
+/*!
+    \fn void QDateTime::setTime_t(uint secsSince1Jan1970UTC, Qt::TimeSpec spec)
+
+    Use the single-argument overload of setTime_t() instead.
+*/
+
+/*!
+    \fn QDateTime QDateTime::currentDateTime(Qt::TimeSpec spec)
+
+    Use the currentDateTime() overload that takes no parameters
+    instead.
+*/
+
+// checks if there is an unqoted 'AP' or 'ap' in the string
+static bool hasUnquotedAP(const QString &f)
+{
+    const QLatin1Char quote('\'');
+    bool inquote = false;
+    const int max = f.size();
+    for (int i=0; i<max; ++i) {
+        if (f.at(i) == quote) {
+            inquote = !inquote;
+        } else if (!inquote && f.at(i).toUpper() == QLatin1Char('A')) {
+            return true;
+        }
+    }
+    return false;
+}
+
+#ifndef QT_NO_DATESTRING
+/*****************************************************************************
+  Some static function used by QDate, QTime and QDateTime
+*****************************************************************************/
+
+// Replaces tokens by their value. See QDateTime::toString() for a list of valid tokens
+static QString getFmtString(const QString& f, const QTime* dt = 0, const QDate* dd = 0, bool am_pm = false)
+{
+    if (f.isEmpty())
+        return QString();
+
+    QString buf = f;
+    int removed = 0;
+
+    if (dt) {
+        if (f.startsWith(QLatin1String("hh")) || f.startsWith(QLatin1String("HH"))) {
+            const bool hour12 = f.at(0) == QLatin1Char('h') && am_pm;
+            if (hour12 && dt->hour() > 12)
+                buf = QString::number(dt->hour() - 12).rightJustified(2, QLatin1Char('0'), true);
+            else if (hour12 && dt->hour() == 0)
+                buf = QLatin1String("12");
+            else
+                buf = QString::number(dt->hour()).rightJustified(2, QLatin1Char('0'), true);
+            removed = 2;
+        } else if (f.at(0) == QLatin1Char('h') || f.at(0) == QLatin1Char('H')) {
+            const bool hour12 = f.at(0) == QLatin1Char('h') && am_pm;
+            if (hour12 && dt->hour() > 12)
+                buf = QString::number(dt->hour() - 12);
+            else if (hour12 && dt->hour() == 0)
+                buf = QLatin1String("12");
+            else
+                buf = QString::number(dt->hour());
+            removed = 1;
+        } else if (f.startsWith(QLatin1String("mm"))) {
+            buf = QString::number(dt->minute()).rightJustified(2, QLatin1Char('0'), true);
+            removed = 2;
+        } else if (f.at(0) == (QLatin1Char('m'))) {
+            buf = QString::number(dt->minute());
+            removed = 1;
+        } else if (f.startsWith(QLatin1String("ss"))) {
+            buf = QString::number(dt->second()).rightJustified(2, QLatin1Char('0'), true);
+            removed = 2;
+        } else if (f.at(0) == QLatin1Char('s')) {
+            buf = QString::number(dt->second());
+        } else if (f.startsWith(QLatin1String("zzz"))) {
+            buf = QString::number(dt->msec()).rightJustified(3, QLatin1Char('0'), true);
+            removed = 3;
+        } else if (f.at(0) == QLatin1Char('z')) {
+            buf = QString::number(dt->msec());
+            removed = 1;
+        } else if (f.at(0).toUpper() == QLatin1Char('A')) {
+            const bool upper = f.at(0) == QLatin1Char('A');
+            buf = dt->hour() < 12 ? QLatin1String("am") : QLatin1String("pm");
+            if (upper)
+                buf = buf.toUpper();
+            if (f.size() > 1 && f.at(1).toUpper() == QLatin1Char('P') &&
+                f.at(0).isUpper() == f.at(1).isUpper()) {
+                removed = 2;
+            } else {
+                removed = 1;
+            }
+        }
+    }
+
+    if (dd) {
+        if (f.startsWith(QLatin1String("dddd"))) {
+            buf = dd->longDayName(dd->dayOfWeek());
+            removed = 4;
+        } else if (f.startsWith(QLatin1String("ddd"))) {
+            buf = dd->shortDayName(dd->dayOfWeek());
+            removed = 3;
+        } else if (f.startsWith(QLatin1String("dd"))) {
+            buf = QString::number(dd->day()).rightJustified(2, QLatin1Char('0'), true);
+            removed = 2;
+        } else if (f.at(0) == QLatin1Char('d')) {
+            buf = QString::number(dd->day());
+            removed = 1;
+        } else if (f.startsWith(QLatin1String("MMMM"))) {
+            buf = dd->longMonthName(dd->month());
+            removed = 4;
+        } else if (f.startsWith(QLatin1String("MMM"))) {
+            buf = dd->shortMonthName(dd->month());
+            removed = 3;
+        } else if (f.startsWith(QLatin1String("MM"))) {
+            buf = QString::number(dd->month()).rightJustified(2, QLatin1Char('0'), true);
+            removed = 2;
+        } else if (f.at(0) == QLatin1Char('M')) {
+            buf = QString::number(dd->month());
+            removed = 1;
+        } else if (f.startsWith(QLatin1String("yyyy"))) {
+            const int year = dd->year();
+            buf = QString::number(qAbs(year)).rightJustified(4, QLatin1Char('0'));
+            if(year > 0)
+                removed = 4;
+            else
+            {
+                buf.prepend(QLatin1Char('-'));
+                removed = 5;
+            }
+
+        } else if (f.startsWith(QLatin1String("yy"))) {
+            buf = QString::number(dd->year()).right(2).rightJustified(2, QLatin1Char('0'));
+            removed = 2;
+        }
+    }
+    if (removed == 0 || removed >= f.size()) {
+        return buf;
+    }
+
+    return buf + getFmtString(f.mid(removed), dt, dd, am_pm);
+}
+
+// Parses the format string and uses getFmtString to get the values for the tokens. Ret
+static QString fmtDateTime(const QString& f, const QTime* dt, const QDate* dd)
+{
+    const QLatin1Char quote('\'');
+    if (f.isEmpty())
+        return QString();
+    if (dt && !dt->isValid())
+        return QString();
+    if (dd && !dd->isValid())
+        return QString();
+
+    const bool ap = hasUnquotedAP(f);
+
+    QString buf;
+    QString frm;
+    QChar status(QLatin1Char('0'));
+
+    for (int i = 0; i < (int)f.length(); ++i) {
+        if (f.at(i) == quote) {
+            if (status == quote) {
+                if (i > 0 && f.at(i - 1) == quote)
+                    buf += QLatin1Char('\'');
+                status = QLatin1Char('0');
+            } else {
+                if (!frm.isEmpty()) {
+                    buf += getFmtString(frm, dt, dd, ap);
+                    frm.clear();
+                }
+                status = quote;
+            }
+        } else if (status == quote) {
+            buf += f.at(i);
+        } else if (f.at(i) == status) {
+            if ((ap) && ((f.at(i) == QLatin1Char('P')) || (f.at(i) == QLatin1Char('p'))))
+                status = QLatin1Char('0');
+            frm += f.at(i);
+        } else {
+            buf += getFmtString(frm, dt, dd, ap);
+            frm.clear();
+            if ((f.at(i) == QLatin1Char('h')) || (f.at(i) == QLatin1Char('m'))
+                || (f.at(i) == QLatin1Char('H'))
+                || (f.at(i) == QLatin1Char('s')) || (f.at(i) == QLatin1Char('z'))) {
+                status = f.at(i);
+                frm += f.at(i);
+            } else if ((f.at(i) == QLatin1Char('d')) || (f.at(i) == QLatin1Char('M')) || (f.at(i) == QLatin1Char('y'))) {
+                status = f.at(i);
+                frm += f.at(i);
+            } else if ((ap) && (f.at(i) == QLatin1Char('A'))) {
+                status = QLatin1Char('P');
+                frm += f.at(i);
+            } else  if((ap) && (f.at(i) == QLatin1Char('a'))) {
+                status = QLatin1Char('p');
+                frm += f.at(i);
+            } else {
+                buf += f.at(i);
+                status = QLatin1Char('0');
+            }
+        }
+    }
+
+    buf += getFmtString(frm, dt, dd, ap);
+
+    return buf;
+}
+#endif // QT_NO_DATESTRING
+
+#ifdef Q_OS_WIN
+static const int LowerYear = 1980;
+#else
+static const int LowerYear = 1970;
+#endif
+static const int UpperYear = 2037;
+
+static QDate adjustDate(QDate date)
+{
+    QDate lowerLimit(LowerYear, 1, 2);
+    QDate upperLimit(UpperYear, 12, 30);
+
+    if (date > lowerLimit && date < upperLimit)
+        return date;
+
+    int month = date.month();
+    int day = date.day();
+
+    // neither 1970 nor 2037 are leap years, so make sure date isn't Feb 29
+    if (month == 2 && day == 29)
+        --day;
+
+    if (date < lowerLimit)
+        date.setDate(LowerYear, month, day);
+    else
+        date.setDate(UpperYear, month, day);
+
+    return date;
+}
+
+static QDateTimePrivate::Spec utcToLocal(QDate &date, QTime &time)
+{
+    QDate fakeDate = adjustDate(date);
+
+    time_t secsSince1Jan1970UTC = toTime_tHelper(fakeDate, time);
+    tm *brokenDown = 0;
+
+#if defined(Q_OS_WINCE)
+    tm res;
+    FILETIME utcTime = time_tToFt(secsSince1Jan1970UTC);
+    FILETIME resultTime;
+    FileTimeToLocalFileTime(&utcTime , &resultTime);
+    SYSTEMTIME sysTime;
+    FileTimeToSystemTime(&resultTime , &sysTime);
+
+    res.tm_sec = sysTime.wSecond;
+    res.tm_min = sysTime.wMinute;
+    res.tm_hour = sysTime.wHour;
+    res.tm_mday = sysTime.wDay;
+    res.tm_mon = sysTime.wMonth - 1;
+    res.tm_year = sysTime.wYear - 1900;
+    brokenDown = &res;
+#elif !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS)
+    // use the reentrant version of localtime() where available
+    tzset();
+    tm res;
+    brokenDown = localtime_r(&secsSince1Jan1970UTC, &res);
+#elif defined(_MSC_VER) && _MSC_VER >= 1400
+    tm res;
+    if (!_localtime64_s(&res, &secsSince1Jan1970UTC))
+        brokenDown = &res;
+#else
+    brokenDown = localtime(&secsSince1Jan1970UTC);
+#endif
+    if (!brokenDown) {
+        date = QDate(1970, 1, 1);
+        time = QTime();
+        return QDateTimePrivate::LocalUnknown;
+    } else {
+        int deltaDays = fakeDate.daysTo(date);
+        date = QDate(brokenDown->tm_year + 1900, brokenDown->tm_mon + 1, brokenDown->tm_mday);
+        time = QTime(brokenDown->tm_hour, brokenDown->tm_min, brokenDown->tm_sec, time.msec());
+        date = date.addDays(deltaDays);
+        if (brokenDown->tm_isdst > 0)
+            return QDateTimePrivate::LocalDST;
+        else if (brokenDown->tm_isdst < 0)
+            return QDateTimePrivate::LocalUnknown;
+        else
+            return QDateTimePrivate::LocalStandard;
+    }
+}
+
+static void localToUtc(QDate &date, QTime &time, int isdst)
+{
+    if (!date.isValid())
+        return;
+
+    QDate fakeDate = adjustDate(date);
+
+    tm localTM;
+    localTM.tm_sec = time.second();
+    localTM.tm_min = time.minute();
+    localTM.tm_hour = time.hour();
+    localTM.tm_mday = fakeDate.day();
+    localTM.tm_mon = fakeDate.month() - 1;
+    localTM.tm_year = fakeDate.year() - 1900;
+    localTM.tm_isdst = (int)isdst;
+#if defined(Q_OS_WINCE)
+    time_t secsSince1Jan1970UTC = toTime_tHelper(fakeDate, time);
+#else
+#if defined(Q_OS_WIN)
+    _tzset();
+#endif
+    time_t secsSince1Jan1970UTC = mktime(&localTM);
+#endif
+    tm *brokenDown = 0;
+#if defined(Q_OS_WINCE)
+    tm res;
+    FILETIME localTime = time_tToFt(secsSince1Jan1970UTC);
+    SYSTEMTIME sysTime;
+    FileTimeToSystemTime(&localTime, &sysTime);
+    FILETIME resultTime;
+    LocalFileTimeToFileTime(&localTime , &resultTime);
+    FileTimeToSystemTime(&resultTime , &sysTime);
+    res.tm_sec = sysTime.wSecond;
+    res.tm_min = sysTime.wMinute;
+    res.tm_hour = sysTime.wHour;
+    res.tm_mday = sysTime.wDay;
+    res.tm_mon = sysTime.wMonth - 1;
+    res.tm_year = sysTime.wYear - 1900;
+    res.tm_isdst = (int)isdst;
+    brokenDown = &res;
+#elif !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS)
+    // use the reentrant version of gmtime() where available
+    tm res;
+    brokenDown = gmtime_r(&secsSince1Jan1970UTC, &res);
+#elif defined(_MSC_VER) && _MSC_VER >= 1400
+    tm res;
+    if (!_gmtime64_s(&res, &secsSince1Jan1970UTC))
+        brokenDown = &res;
+#else
+    brokenDown = gmtime(&secsSince1Jan1970UTC);
+#endif // !QT_NO_THREAD && _POSIX_THREAD_SAFE_FUNCTIONS
+    if (!brokenDown) {
+        date = QDate(1970, 1, 1);
+        time = QTime();
+    } else {
+        int deltaDays = fakeDate.daysTo(date);
+        date = QDate(brokenDown->tm_year + 1900, brokenDown->tm_mon + 1, brokenDown->tm_mday);
+        time = QTime(brokenDown->tm_hour, brokenDown->tm_min, brokenDown->tm_sec, time.msec());
+        date = date.addDays(deltaDays);
+    }
+}
+
+QDateTimePrivate::Spec QDateTimePrivate::getLocal(QDate &outDate, QTime &outTime) const
+{
+    outDate = date;
+    outTime = time;
+    if (spec == QDateTimePrivate::UTC)
+        return utcToLocal(outDate, outTime);
+    return spec;
+}
+
+void QDateTimePrivate::getUTC(QDate &outDate, QTime &outTime) const
+{
+    outDate = date;
+    outTime = time;
+    const bool isOffset = spec == QDateTimePrivate::OffsetFromUTC;
+
+    if (spec != QDateTimePrivate::UTC && !isOffset)
+        localToUtc(outDate, outTime, (int)spec);
+
+    if (isOffset)
+        addMSecs(outDate, outTime, -(qint64(utcOffset) * 1000));
+}
+
+#if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_NO_DATESTRING)
+QDebug operator<<(QDebug dbg, const QDate &date)
+{
+    dbg.nospace() << "QDate(" << date.toString() << ")";
+    return dbg.space();
+}
+
+QDebug operator<<(QDebug dbg, const QTime &time)
+{
+    dbg.nospace() << "QTime(" << time.toString() << ")";
+    return dbg.space();
+}
+
+QDebug operator<<(QDebug dbg, const QDateTime &date)
+{
+    dbg.nospace() << "QDateTime(" << date.toString() << ")";
+    return dbg.space();
+}
+#endif
+
+#ifndef QT_BOOTSTRAPPED
+
+/*!
+  \internal
+  Gets the digit from a datetime. E.g.
+
+  QDateTime var(QDate(2004, 02, 02));
+  int digit = getDigit(var, Year);
+  // digit = 2004
+*/
+
+int QDateTimeParser::getDigit(const QDateTime &t, int index) const
+{
+    if (index < 0 || index >= sectionNodes.size()) {
+#ifndef QT_NO_DATESTRING
+        qWarning("QDateTimeParser::getDigit() Internal error (%s %d)",
+                 qPrintable(t.toString()), index);
+#else
+        qWarning("QDateTimeParser::getDigit() Internal error (%d)", index);
+#endif
+        return -1;
+    }
+    const SectionNode &node = sectionNodes.at(index);
+    switch (node.type) {
+    case Hour24Section: case Hour12Section: return t.time().hour();
+    case MinuteSection: return t.time().minute();
+    case SecondSection: return t.time().second();
+    case MSecSection: return t.time().msec();
+    case YearSection2Digits:
+    case YearSection: return t.date().year();
+    case MonthSection: return t.date().month();
+    case DaySection: return t.date().day();
+    case DayOfWeekSection: return t.date().day();
+    case AmPmSection: return t.time().hour() > 11 ? 1 : 0;
+
+    default: break;
+    }
+
+#ifndef QT_NO_DATESTRING
+    qWarning("QDateTimeParser::getDigit() Internal error 2 (%s %d)",
+             qPrintable(t.toString()), index);
+#else
+    qWarning("QDateTimeParser::getDigit() Internal error 2 (%d)", index);
+#endif
+    return -1;
+}
+
+/*!
+  \internal
+  Sets a digit in a datetime. E.g.
+
+  QDateTime var(QDate(2004, 02, 02));
+  int digit = getDigit(var, Year);
+  // digit = 2004
+  setDigit(&var, Year, 2005);
+  digit = getDigit(var, Year);
+  // digit = 2005
+*/
+
+bool QDateTimeParser::setDigit(QDateTime &v, int index, int newVal) const
+{
+    if (index < 0 || index >= sectionNodes.size()) {
+#ifndef QT_NO_DATESTRING
+        qWarning("QDateTimeParser::setDigit() Internal error (%s %d %d)",
+                 qPrintable(v.toString()), index, newVal);
+#else
+        qWarning("QDateTimeParser::setDigit() Internal error (%d %d)", index, newVal);
+#endif
+        return false;
+    }
+    const SectionNode &node = sectionNodes.at(index);
+
+    int year, month, day, hour, minute, second, msec;
+    year = v.date().year();
+    month = v.date().month();
+    day = v.date().day();
+    hour = v.time().hour();
+    minute = v.time().minute();
+    second = v.time().second();
+    msec = v.time().msec();
+
+    switch (node.type) {
+    case Hour24Section: case Hour12Section: hour = newVal; break;
+    case MinuteSection: minute = newVal; break;
+    case SecondSection: second = newVal; break;
+    case MSecSection: msec = newVal; break;
+    case YearSection2Digits:
+    case YearSection: year = newVal; break;
+    case MonthSection: month = newVal; break;
+    case DaySection:
+    case DayOfWeekSection:
+        if (newVal > 31) {
+            // have to keep legacy behavior. setting the
+            // date to 32 should return false. Setting it
+            // to 31 for february should return true
+            return false;
+        }
+        day = newVal;
+        break;
+    case AmPmSection: hour = (newVal == 0 ? hour % 12 : (hour % 12) + 12); break;
+    default:
+        qWarning("QDateTimeParser::setDigit() Internal error (%s)",
+                 qPrintable(sectionName(node.type)));
+        break;
+    }
+
+    if (!(node.type & (DaySection|DayOfWeekSection))) {
+        if (day < cachedDay)
+            day = cachedDay;
+        const int max = QDate(year, month, 1).daysInMonth();
+        if (day > max) {
+            day = max;
+        }
+    }
+    if (QDate::isValid(year, month, day) && QTime::isValid(hour, minute, second, msec)) {
+        v = QDateTime(QDate(year, month, day), QTime(hour, minute, second, msec), spec);
+        return true;
+    }
+    return false;
+}
+
+
+
+/*!
+  \
+
+  Returns the absolute maximum for a section
+*/
+
+int QDateTimeParser::absoluteMax(int s, const QDateTime &cur) const
+{
+    const SectionNode &sn = sectionNode(s);
+    switch (sn.type) {
+    case Hour24Section:
+    case Hour12Section: return 23; // this is special-cased in
+                                   // parseSection. We want it to be
+                                   // 23 for the stepBy case.
+    case MinuteSection:
+    case SecondSection: return 59;
+    case MSecSection: return 999;
+    case YearSection2Digits:
+    case YearSection: return 9999; // sectionMaxSize will prevent
+                                   // people from typing in a larger
+                                   // number in count == 2 sections.
+                                   // stepBy() will work on real years anyway
+    case MonthSection: return 12;
+    case DaySection:
+    case DayOfWeekSection: return cur.isValid() ? cur.date().daysInMonth() : 31;
+    case AmPmSection: return 1;
+    default: break;
+    }
+    qWarning("QDateTimeParser::absoluteMax() Internal error (%s)",
+             qPrintable(sectionName(sn.type)));
+    return -1;
+}
+
+/*!
+  \internal
+
+  Returns the absolute minimum for a section
+*/
+
+int QDateTimeParser::absoluteMin(int s) const
+{
+    const SectionNode &sn = sectionNode(s);
+    switch (sn.type) {
+    case Hour24Section:
+    case Hour12Section:
+    case MinuteSection:
+    case SecondSection:
+    case MSecSection:
+    case YearSection2Digits:
+    case YearSection: return 0;
+    case MonthSection:
+    case DaySection:
+    case DayOfWeekSection: return 1;
+    case AmPmSection: return 0;
+    default: break;
+    }
+    qWarning("QDateTimeParser::absoluteMin() Internal error (%s, %0x)",
+             qPrintable(sectionName(sn.type)), sn.type);
+    return -1;
+}
+
+/*!
+  \internal
+
+  Returns the sectionNode for the Section \a s.
+*/
+
+const QDateTimeParser::SectionNode &QDateTimeParser::sectionNode(int sectionIndex) const
+{
+    if (sectionIndex < 0) {
+        switch (sectionIndex) {
+        case FirstSectionIndex:
+            return first;
+        case LastSectionIndex:
+            return last;
+        case NoSectionIndex:
+            return none;
+        }
+    } else if (sectionIndex < sectionNodes.size()) {
+        return sectionNodes.at(sectionIndex);
+    }
+
+    qWarning("QDateTimeParser::sectionNode() Internal error (%d)",
+             sectionIndex);
+    return none;
+}
+
+QDateTimeParser::Section QDateTimeParser::sectionType(int sectionIndex) const
+{
+    return sectionNode(sectionIndex).type;
+}
+
+
+/*!
+  \internal
+
+  Returns the starting position for section \a s.
+*/
+
+int QDateTimeParser::sectionPos(int sectionIndex) const
+{
+    return sectionPos(sectionNode(sectionIndex));
+}
+
+int QDateTimeParser::sectionPos(const SectionNode &sn) const
+{
+    switch (sn.type) {
+    case FirstSection: return 0;
+    case LastSection: return displayText().size() - 1;
+    default: break;
+    }
+    if (sn.pos == -1) {
+        qWarning("QDateTimeParser::sectionPos Internal error (%s)", qPrintable(sectionName(sn.type)));
+        return -1;
+    }
+    return sn.pos;
+}
+
+
+/*!
+  \internal helper function for parseFormat. removes quotes that are
+  not escaped and removes the escaping on those that are escaped
+
+*/
+
+static QString unquote(const QString &str)
+{
+    const QChar quote(QLatin1Char('\''));
+    const QChar slash(QLatin1Char('\\'));
+    const QChar zero(QLatin1Char('0'));
+    QString ret;
+    QChar status(zero);
+    const int max = str.size();
+    for (int i=0; i<max; ++i) {
+        if (str.at(i) == quote) {
+            if (status != quote) {
+                status = quote;
+            } else if (!ret.isEmpty() && str.at(i - 1) == slash) {
+                ret[ret.size() - 1] = quote;
+            } else {
+                status = zero;
+            }
+        } else {
+            ret += str.at(i);
+        }
+    }
+    return ret;
+}
+/*!
+  \internal
+
+  Parses the format \a newFormat. If successful, returns true and
+  sets up the format. Else keeps the old format and returns false.
+
+*/
+
+static inline int countRepeat(const QString &str, int index, int maxCount)
+{
+    int count = 1;
+    const QChar ch(str.at(index));
+    const int max = qMin(index + maxCount, str.size());
+    while (index + count < max && str.at(index + count) == ch) {
+        ++count;
+    }
+    return count;
+}
+
+static inline void appendSeparator(QStringList *list, const QString &string, int from, int size, int lastQuote)
+{
+    QString str(string.mid(from, size));
+    if (lastQuote >= from)
+        str = unquote(str);
+    list->append(str);
+}
+
+
+bool QDateTimeParser::parseFormat(const QString &newFormat)
+{
+    const QLatin1Char quote('\'');
+    const QLatin1Char slash('\\');
+    const QLatin1Char zero('0');
+    if (newFormat == displayFormat && !newFormat.isEmpty()) {
+        return true;
+    }
+
+    QDTPDEBUGN("parseFormat: %s", newFormat.toLatin1().constData());
+
+    QVector<SectionNode> newSectionNodes;
+    Sections newDisplay = 0;
+    QStringList newSeparators;
+    int i, index = 0;
+    int add = 0;
+    QChar status(zero);
+    const int max = newFormat.size();
+    int lastQuote = -1;
+    for (i = 0; i<max; ++i) {
+        if (newFormat.at(i) == quote) {
+            lastQuote = i;
+            ++add;
+            if (status != quote) {
+                status = quote;
+            } else if (newFormat.at(i - 1) != slash) {
+                status = zero;
+            }
+        } else if (status != quote) {
+            const char sect = newFormat.at(i).toLatin1();
+            switch (sect) {
+            case 'H':
+            case 'h':
+                if (parserType != QVariant::Date) {
+                    const Section hour = (sect == 'h') ? Hour12Section : Hour24Section;
+                    const SectionNode sn = { hour, i - add, countRepeat(newFormat, i, 2) };
+                    newSectionNodes.append(sn);
+                    appendSeparator(&newSeparators, newFormat, index, i - index, lastQuote);
+                    i += sn.count - 1;
+                    index = i + 1;
+                    newDisplay |= hour;
+                }
+                break;
+            case 'm':
+                if (parserType != QVariant::Date) {
+                    const SectionNode sn = { MinuteSection, i - add, countRepeat(newFormat, i, 2) };
+                    newSectionNodes.append(sn);
+                    appendSeparator(&newSeparators, newFormat, index, i - index, lastQuote);
+                    i += sn.count - 1;
+                    index = i + 1;
+                    newDisplay |= MinuteSection;
+                }
+                break;
+            case 's':
+                if (parserType != QVariant::Date) {
+                    const SectionNode sn = { SecondSection, i - add, countRepeat(newFormat, i, 2) };
+                    newSectionNodes.append(sn);
+                    appendSeparator(&newSeparators, newFormat, index, i - index, lastQuote);
+                    i += sn.count - 1;
+                    index = i + 1;
+                    newDisplay |= SecondSection;
+                }
+                break;
+
+            case 'z':
+                if (parserType != QVariant::Date) {
+                    const SectionNode sn = { MSecSection, i - add, countRepeat(newFormat, i, 3) < 3 ? 1 : 3 };
+                    newSectionNodes.append(sn);
+                    appendSeparator(&newSeparators, newFormat, index, i - index, lastQuote);
+                    i += sn.count - 1;
+                    index = i + 1;
+                    newDisplay |= MSecSection;
+                }
+                break;
+            case 'A':
+            case 'a':
+                if (parserType != QVariant::Date) {
+                    const bool cap = (sect == 'A');
+                    const SectionNode sn = { AmPmSection, i - add, (cap ? 1 : 0) };
+                    newSectionNodes.append(sn);
+                    appendSeparator(&newSeparators, newFormat, index, i - index, lastQuote);
+                    newDisplay |= AmPmSection;
+                    if (i + 1 < newFormat.size()
+                        && newFormat.at(i+1) == (cap ? QLatin1Char('P') : QLatin1Char('p'))) {
+                        ++i;
+                    }
+                    index = i + 1;
+                }
+                break;
+            case 'y':
+                if (parserType != QVariant::Time) {
+                    const int repeat = countRepeat(newFormat, i, 4);
+                    if (repeat >= 2) {
+                        const SectionNode sn = { repeat == 4 ? YearSection : YearSection2Digits,
+                                                 i - add, repeat == 4 ? 4 : 2 };
+                        newSectionNodes.append(sn);
+                        appendSeparator(&newSeparators, newFormat, index, i - index, lastQuote);
+                        i += sn.count - 1;
+                        index = i + 1;
+                        newDisplay |= sn.type;
+                    }
+                }
+                break;
+            case 'M':
+                if (parserType != QVariant::Time) {
+                    const SectionNode sn = { MonthSection, i - add, countRepeat(newFormat, i, 4) };
+                    newSectionNodes.append(sn);
+                    newSeparators.append(unquote(newFormat.mid(index, i - index)));
+                    i += sn.count - 1;
+                    index = i + 1;
+                    newDisplay |= MonthSection;
+                }
+                break;
+            case 'd':
+                if (parserType != QVariant::Time) {
+                    const int repeat = countRepeat(newFormat, i, 4);
+                    const SectionNode sn = { repeat >= 3 ? DayOfWeekSection : DaySection, i - add, repeat };
+                    newSectionNodes.append(sn);
+                    appendSeparator(&newSeparators, newFormat, index, i - index, lastQuote);
+                    i += sn.count - 1;
+                    index = i + 1;
+                    newDisplay |= sn.type;
+                }
+                break;
+
+            default:
+                break;
+            }
+        }
+    }
+    if (newSectionNodes.isEmpty() && context == DateTimeEdit) {
+        return false;
+    }
+
+    if ((newDisplay & (AmPmSection|Hour12Section)) == Hour12Section) {
+        const int max = newSectionNodes.size();
+        for (int i=0; i<max; ++i) {
+            SectionNode &node = newSectionNodes[i];
+            if (node.type == Hour12Section)
+                node.type = Hour24Section;
+        }
+    }
+
+    if (index < newFormat.size()) {
+        appendSeparator(&newSeparators, newFormat, index, index - max, lastQuote);
+    } else {
+        newSeparators.append(QString());
+    }
+
+    displayFormat = newFormat;
+    separators = newSeparators;
+    sectionNodes = newSectionNodes;
+    display = newDisplay;
+    last.pos = -1;
+
+//     for (int i=0; i<sectionNodes.size(); ++i) {
+//         QDTPDEBUG << sectionName(sectionNodes.at(i).type) << sectionNodes.at(i).count;
+//     }
+
+    QDTPDEBUG << newFormat << displayFormat;
+    QDTPDEBUGN("separators:\n'%s'", separators.join(QLatin1String("\n")).toLatin1().constData());
+
+    return true;
+}
+
+/*!
+  \internal
+
+  Returns the size of section \a s.
+*/
+
+int QDateTimeParser::sectionSize(int sectionIndex) const
+{
+    if (sectionIndex < 0)
+        return 0;
+
+    if (sectionIndex >= sectionNodes.size()) {
+        qWarning("QDateTimeParser::sectionSize Internal error (%d)", sectionIndex);
+        return -1;
+    }
+    if (sectionIndex == sectionNodes.size() - 1) {
+        return displayText().size() - sectionPos(sectionIndex) - separators.last().size();
+    } else {
+        return sectionPos(sectionIndex + 1) - sectionPos(sectionIndex)
+            - separators.at(sectionIndex + 1).size();
+    }
+}
+
+
+int QDateTimeParser::sectionMaxSize(Section s, int count) const
+{
+#ifndef QT_NO_TEXTDATE
+    int mcount = 12;
+#endif
+
+    switch (s) {
+    case FirstSection:
+    case NoSection:
+    case LastSection: return 0;
+
+    case AmPmSection: {
+        const int lowerMax = qMin(getAmPmText(AmText, LowerCase).size(),
+                                  getAmPmText(PmText, LowerCase).size());
+        const int upperMax = qMin(getAmPmText(AmText, UpperCase).size(),
+                                  getAmPmText(PmText, UpperCase).size());
+        return qMin(4, qMin(lowerMax, upperMax));
+    }
+
+    case Hour24Section:
+    case Hour12Section:
+    case MinuteSection:
+    case SecondSection:
+    case DaySection: return 2;
+    case DayOfWeekSection:
+#ifdef QT_NO_TEXTDATE
+        return 2;
+#else
+        mcount = 7;
+        // fall through
+#endif
+    case MonthSection:
+        if (count <= 2)
+            return 2;
+
+#ifdef QT_NO_TEXTDATE
+        return 2;
+#else
+        {
+            int ret = 0;
+            const QLocale l = locale();
+            for (int i=1; i<=mcount; ++i) {
+                const QString str = (s == MonthSection
+                                     ? l.monthName(i, count == 4 ? QLocale::LongFormat : QLocale::ShortFormat)
+                                     : l.dayName(i, count == 4 ? QLocale::LongFormat : QLocale::ShortFormat));
+                ret = qMax(str.size(), ret);
+            }
+            return ret;
+        }
+#endif
+    case MSecSection: return 3;
+    case YearSection: return 4;
+    case YearSection2Digits: return 2;
+
+    case CalendarPopupSection:
+    case Internal:
+    case TimeSectionMask:
+    case DateSectionMask:
+        qWarning("QDateTimeParser::sectionMaxSize: Invalid section %s",
+                 sectionName(s).toLatin1().constData());
+    }
+    return -1;
+}
+
+
+int QDateTimeParser::sectionMaxSize(int index) const
+{
+    const SectionNode &sn = sectionNode(index);
+    return sectionMaxSize(sn.type, sn.count);
+}
+
+/*!
+  \internal
+
+  Returns the text of section \a s. This function operates on the
+  arg text rather than edit->text().
+*/
+
+
+QString QDateTimeParser::sectionText(const QString &text, int sectionIndex, int index) const
+{
+    const SectionNode &sn = sectionNode(sectionIndex);
+    switch (sn.type) {
+    case NoSectionIndex:
+    case FirstSectionIndex:
+    case LastSectionIndex:
+        return QString();
+    default: break;
+    }
+
+    return text.mid(index, sectionSize(sectionIndex));
+}
+
+QString QDateTimeParser::sectionText(int sectionIndex) const
+{
+    const SectionNode &sn = sectionNode(sectionIndex);
+    switch (sn.type) {
+    case NoSectionIndex:
+    case FirstSectionIndex:
+    case LastSectionIndex:
+        return QString();
+    default: break;
+    }
+
+    return displayText().mid(sn.pos, sectionSize(sectionIndex));
+}
+
+
+#ifndef QT_NO_TEXTDATE
+/*!
+  \internal:skipToNextSection
+
+  Parses the part of \a text that corresponds to \a s and returns
+  the value of that field. Sets *stateptr to the right state if
+  stateptr != 0.
+*/
+
+int QDateTimeParser::parseSection(const QDateTime &currentValue, int sectionIndex,
+                                  QString &text, int &cursorPosition, int index,
+                                  State &state, int *usedptr) const
+{
+    state = Invalid;
+    int num = 0;
+    const SectionNode &sn = sectionNode(sectionIndex);
+    if ((sn.type & Internal) == Internal) {
+        qWarning("QDateTimeParser::parseSection Internal error (%s %d)",
+                 qPrintable(sectionName(sn.type)), sectionIndex);
+        return -1;
+    }
+
+    const int sectionmaxsize = sectionMaxSize(sectionIndex);
+    QString sectiontext = text.mid(index, sectionmaxsize);
+    int sectiontextSize = sectiontext.size();
+
+    QDTPDEBUG << "sectionValue for" << sectionName(sn.type)
+              << "with text" << text << "and st" << sectiontext
+              << text.mid(index, sectionmaxsize)
+              << index;
+
+    int used = 0;
+    switch (sn.type) {
+    case AmPmSection: {
+        const int ampm = findAmPm(sectiontext, sectionIndex, &used);
+        switch (ampm) {
+        case AM: // sectiontext == AM
+        case PM: // sectiontext == PM
+            num = ampm;
+            state = Acceptable;
+            break;
+        case PossibleAM: // sectiontext => AM
+        case PossiblePM: // sectiontext => PM
+            num = ampm - 2;
+            state = Intermediate;
+            break;
+        case PossibleBoth: // sectiontext => AM|PM
+            num = 0;
+            state = Intermediate;
+            break;
+        case Neither:
+            state = Invalid;
+            QDTPDEBUG << "invalid because findAmPm(" << sectiontext << ") returned -1";
+            break;
+        default:
+            QDTPDEBUGN("This should never happen (findAmPm returned %d)", ampm);
+            break;
+        }
+        if (state != Invalid) {
+            QString str = text;
+            text.replace(index, used, sectiontext.left(used));
+        }
+        break; }
+    case MonthSection:
+    case DayOfWeekSection:
+        if (sn.count >= 3) {
+            if (sn.type == MonthSection) {
+                int min = 1;
+                const QDate minDate = getMinimum().date();
+                if (currentValue.date().year() == minDate.year()) {
+                    min = minDate.month();
+                }
+                num = findMonth(sectiontext.toLower(), min, sectionIndex, &sectiontext, &used);
+            } else {
+                num = findDay(sectiontext.toLower(), 1, sectionIndex, &sectiontext, &used);
+            }
+
+            if (num != -1) {
+                state = (used == sectiontext.size() ? Acceptable : Intermediate);
+                QString str = text;
+                text.replace(index, used, sectiontext.left(used));
+            } else {
+                state = Intermediate;
+            }
+            break; }
+        // fall through
+    case DaySection:
+    case YearSection:
+    case YearSection2Digits:
+    case Hour12Section:
+    case Hour24Section:
+    case MinuteSection:
+    case SecondSection:
+    case MSecSection: {
+        if (sectiontextSize == 0) {
+            num = 0;
+            used = 0;
+            state = Intermediate;
+        } else {
+            const int absMax = absoluteMax(sectionIndex);
+            QLocale loc;
+            bool ok = true;
+            int last = -1;
+            used = -1;
+
+            QString digitsStr(sectiontext);
+            for (int i = 0; i < sectiontextSize; ++i) {
+                if (digitsStr.at(i).isSpace()) {
+                    sectiontextSize = i;
+                    break;
+                }
+            }
+
+            const int max = qMin(sectionmaxsize, sectiontextSize);
+            for (int digits = max; digits >= 1; --digits) {
+                digitsStr.truncate(digits);
+                int tmp = (int)loc.toUInt(digitsStr, &ok, 10);
+                if (ok && sn.type == Hour12Section) {
+                    if (tmp > 12) {
+                        tmp = -1;
+                        ok = false;
+                    } else if (tmp == 12) {
+                        tmp = 0;
+                    }
+                }
+                if (ok && tmp <= absMax) {
+                    QDTPDEBUG << sectiontext.left(digits) << tmp << digits;
+                    last = tmp;
+                    used = digits;
+                    break;
+                }
+            }
+
+            if (last == -1) {
+                QChar first(sectiontext.at(0));
+                if (separators.at(sectionIndex + 1).startsWith(first)) {
+                    used = 0;
+                    state = Intermediate;
+                } else {
+                    state = Invalid;
+                    QDTPDEBUG << "invalid because" << sectiontext << "can't become a uint" << last << ok;
+                }
+            } else {
+                num += last;
+                const FieldInfo fi = fieldInfo(sectionIndex);
+                const bool done = (used == sectionmaxsize);
+                if (!done && fi & Fraction) { // typing 2 in a zzz field should be .200, not .002
+                    for (int i=used; i<sectionmaxsize; ++i) {
+                        num *= 10;
+                    }
+                }
+                const int absMin = absoluteMin(sectionIndex);
+                if (num < absMin) {
+                    state = done ? Invalid : Intermediate;
+                    if (done)
+                        QDTPDEBUG << "invalid because" << num << "is less than absoluteMin" << absMin;
+                } else if (num > absMax) {
+                    state = Intermediate;
+                } else if (!done && (fi & (FixedWidth|Numeric)) == (FixedWidth|Numeric)) {
+                    if (skipToNextSection(sectionIndex, currentValue, digitsStr)) {
+                        state = Acceptable;
+                        const int missingZeroes = sectionmaxsize - digitsStr.size();
+                        text.insert(index, QString().fill(QLatin1Char('0'), missingZeroes));
+                        used = sectionmaxsize;
+                        cursorPosition += missingZeroes;
+                    } else {
+                        state = Intermediate;;
+                    }
+                } else {
+                    state = Acceptable;
+                }
+            }
+        }
+        break; }
+    default:
+        qWarning("QDateTimeParser::parseSection Internal error (%s %d)",
+                 qPrintable(sectionName(sn.type)), sectionIndex);
+        return -1;
+    }
+
+    if (usedptr)
+        *usedptr = used;
+
+    return (state != Invalid ? num : -1);
+}
+#endif // QT_NO_TEXTDATE
+
+#ifndef QT_NO_DATESTRING
+/*!
+  \internal
+*/
+
+QDateTimeParser::StateNode QDateTimeParser::parse(QString &input, int &cursorPosition,
+                                                  const QDateTime &currentValue, bool fixup) const
+{
+    const QDateTime minimum = getMinimum();
+    const QDateTime maximum = getMaximum();
+
+    State state = Acceptable;
+
+    QDateTime newCurrentValue;
+    int pos = 0;
+    bool conflicts = false;
+    const int sectionNodesCount = sectionNodes.size();
+
+    QDTPDEBUG << "parse" << input;
+    {
+        int year, month, day, hour12, hour, minute, second, msec, ampm, dayofweek, year2digits;
+        getDateFromJulianDay(currentValue.date().toJulianDay(), &year, &month, &day);
+        year2digits = year % 100;
+        hour = currentValue.time().hour();
+        hour12 = -1;
+        minute = currentValue.time().minute();
+        second = currentValue.time().second();
+        msec = currentValue.time().msec();
+        dayofweek = currentValue.date().dayOfWeek();
+
+        ampm = -1;
+        Sections isSet = NoSection;
+        int num;
+        State tmpstate;
+
+        for (int index=0; state != Invalid && index<sectionNodesCount; ++index) {
+            if (QStringRef(&input, pos, separators.at(index).size()) != separators.at(index)) {
+                QDTPDEBUG << "invalid because" << input.mid(pos, separators.at(index).size())
+                          << "!=" << separators.at(index)
+                          << index << pos << currentSectionIndex;
+                state = Invalid;
+                goto end;
+            }
+            pos += separators.at(index).size();
+            sectionNodes[index].pos = pos;
+            int *current = 0;
+            const SectionNode sn = sectionNodes.at(index);
+            int used;
+
+            num = parseSection(currentValue, index, input, cursorPosition, pos, tmpstate, &used);
+            QDTPDEBUG << "sectionValue" << sectionName(sectionType(index)) << input
+                      << "pos" << pos << "used" << used << stateName(tmpstate);
+            if (fixup && tmpstate == Intermediate && used < sn.count) {
+                const FieldInfo fi = fieldInfo(index);
+                if ((fi & (Numeric|FixedWidth)) == (Numeric|FixedWidth)) {
+                    const QString newText = QString(QLatin1String("%1")).arg(num, sn.count, 10, QLatin1Char('0'));
+                    input.replace(pos, used, newText);
+                    used = sn.count;
+                }
+            }
+            pos += qMax(0, used);
+
+            state = qMin<State>(state, tmpstate);
+            if (state == Intermediate && context == FromString) {
+                state = Invalid;
+                break;
+            }
+
+            QDTPDEBUG << index << sectionName(sectionType(index)) << "is set to"
+                      << pos << "state is" << stateName(state);
+
+
+            if (state != Invalid) {
+                switch (sn.type) {
+                case Hour24Section: current = &hour; break;
+                case Hour12Section: current = &hour12; break;
+                case MinuteSection: current = &minute; break;
+                case SecondSection: current = &second; break;
+                case MSecSection: current = &msec; break;
+                case YearSection: current = &year; break;
+                case YearSection2Digits: current = &year2digits; break;
+                case MonthSection: current = &month; break;
+                case DayOfWeekSection: current = &dayofweek; break;
+                case DaySection: current = &day; num = qMax<int>(1, num); break;
+                case AmPmSection: current = &ampm; break;
+                default:
+                    qWarning("QDateTimeParser::parse Internal error (%s)",
+                             qPrintable(sectionName(sn.type)));
+                    break;
+                }
+                if (!current) {
+                    qWarning("QDateTimeParser::parse Internal error 2");
+                    return StateNode();
+                }
+                if (isSet & sn.type && *current != num) {
+                    QDTPDEBUG << "CONFLICT " << sectionName(sn.type) << *current << num;
+                    conflicts = true;
+                    if (index != currentSectionIndex || num == -1) {
+                        continue;
+                    }
+                }
+                if (num != -1)
+                    *current = num;
+                isSet |= sn.type;
+            }
+        }
+
+        if (state != Invalid && QStringRef(&input, pos, input.size() - pos) != separators.last()) {
+            QDTPDEBUG << "invalid because" << input.mid(pos)
+                      << "!=" << separators.last() << pos;
+            state = Invalid;
+        }
+
+        if (state != Invalid) {
+            if (parserType != QVariant::Time) {
+                if (year % 100 != year2digits) {
+                    switch (isSet & (YearSection2Digits|YearSection)) {
+                    case YearSection2Digits:
+                        year = (year / 100) * 100;
+                        year += year2digits;
+                        break;
+                    case ((uint)YearSection2Digits|(uint)YearSection): {
+                        conflicts = true;
+                        const SectionNode &sn = sectionNode(currentSectionIndex);
+                        if (sn.type == YearSection2Digits) {
+                            year = (year / 100) * 100;
+                            year += year2digits;
+                        }
+                        break; }
+                    default:
+                        break;
+                    }
+                }
+
+                const QDate date(year, month, day);
+                const int diff = dayofweek - date.dayOfWeek();
+                if (diff != 0 && state == Acceptable && isSet & DayOfWeekSection) {
+                    conflicts = isSet & DaySection;
+                    const SectionNode &sn = sectionNode(currentSectionIndex);
+                    if (sn.type == DayOfWeekSection || currentSectionIndex == -1) {
+                        // dayofweek should be preferred
+                        day += diff;
+                        if (day <= 0) {
+                            day += 7;
+                        } else if (day > date.daysInMonth()) {
+                            day -= 7;
+                        }
+                        QDTPDEBUG << year << month << day << dayofweek
+                                  << diff << QDate(year, month, day).dayOfWeek();
+                    }
+                }
+                bool needfixday = false;
+                if (sectionType(currentSectionIndex) & (DaySection|DayOfWeekSection)) {
+                    cachedDay = day;
+                } else if (cachedDay > day) {
+                    day = cachedDay;
+                    needfixday = true;
+                }
+
+                if (!QDate::isValid(year, month, day)) {
+                    if (day < 32) {
+                        cachedDay = day;
+                    }
+                    if (day > 28 && QDate::isValid(year, month, 1)) {
+                        needfixday = true;
+                    }
+                }
+                if (needfixday) {
+                    if (context == FromString) {
+                        state = Invalid;
+                        goto end;
+                    }
+                    if (state == Acceptable && fixday) {
+                        day = qMin<int>(day, QDate(year, month, 1).daysInMonth());
+
+                        const QLocale loc = locale();
+                        for (int i=0; i<sectionNodesCount; ++i) {
+                            if (sectionType(i) & (DaySection|DayOfWeekSection)) {
+                                input.replace(sectionPos(i), sectionSize(i), loc.toString(day));
+                            }
+                        }
+                    } else {
+                        state = qMin(Intermediate, state);
+                    }
+                }
+            }
+
+            if (parserType != QVariant::Date) {
+                if (isSet & Hour12Section) {
+                    const bool hasHour = isSet & Hour24Section;
+                    if (ampm == -1) {
+                        if (hasHour) {
+                            ampm = (hour < 12 ? 0 : 1);
+                        } else {
+                            ampm = 0; // no way to tell if this is am or pm so I assume am
+                        }
+                    }
+                    hour12 = (ampm == 0 ? hour12 % 12 : (hour12 % 12) + 12);
+                    if (!hasHour) {
+                        hour = hour12;
+                    } else if (hour != hour12) {
+                        conflicts = true;
+                    }
+                } else if (ampm != -1) {
+                    if (!(isSet & (Hour24Section))) {
+                        hour = (12 * ampm); // special case. Only ap section
+                    } else if ((ampm == 0) != (hour < 12)) {
+                        conflicts = true;
+                    }
+                }
+
+            }
+
+            newCurrentValue = QDateTime(QDate(year, month, day), QTime(hour, minute, second, msec), spec);
+            QDTPDEBUG << year << month << day << hour << minute << second << msec;
+        }
+        QDTPDEBUGN("'%s' => '%s'(%s)", input.toLatin1().constData(),
+                   newCurrentValue.toString(QLatin1String("yyyy/MM/dd hh:mm:ss.zzz")).toLatin1().constData(),
+                   stateName(state).toLatin1().constData());
+    }
+end:
+    if (newCurrentValue.isValid()) {
+        if (context != FromString && state != Invalid && newCurrentValue < minimum) {
+            const QLatin1Char space(' ');
+            if (newCurrentValue >= minimum)
+                qWarning("QDateTimeParser::parse Internal error 3 (%s %s)",
+                         qPrintable(newCurrentValue.toString()), qPrintable(minimum.toString()));
+
+            bool done = false;
+            state = Invalid;
+            for (int i=0; i<sectionNodesCount && !done; ++i) {
+                const SectionNode &sn = sectionNodes.at(i);
+                QString t = sectionText(input, i, sn.pos).toLower();
+                if ((t.size() < sectionMaxSize(i) && (((int)fieldInfo(i) & (FixedWidth|Numeric)) != Numeric))
+                    || t.contains(space)) {
+                    switch (sn.type) {
+                    case AmPmSection:
+                        switch (findAmPm(t, i)) {
+                        case AM:
+                        case PM:
+                            state = Acceptable;
+                            done = true;
+                            break;
+                        case Neither:
+                            state = Invalid;
+                            done = true;
+                            break;
+                        case PossibleAM:
+                        case PossiblePM:
+                        case PossibleBoth: {
+                            const QDateTime copy(newCurrentValue.addSecs(12 * 60 * 60));
+                            if (copy >= minimum && copy <= maximum) {
+                                state = Intermediate;
+                                done = true;
+                            }
+                            break; }
+                        }
+                    case MonthSection:
+                        if (sn.count >= 3) {
+                            int tmp = newCurrentValue.date().month();
+                            // I know the first possible month makes the date too early
+                            while ((tmp = findMonth(t, tmp + 1, i)) != -1) {
+                                const QDateTime copy(newCurrentValue.addMonths(tmp - newCurrentValue.date().month()));
+                                if (copy >= minimum && copy <= maximum)
+                                    break; // break out of while
+                            }
+                            if (tmp == -1) {
+                                break;
+                            }
+                            state = Intermediate;
+                            done = true;
+                            break;
+                        }
+                        // fallthrough
+                    default: {
+                        int toMin;
+                        int toMax;
+
+                        if (sn.type & TimeSectionMask) {
+                            if (newCurrentValue.daysTo(minimum) != 0) {
+                                break;
+                            }
+                            toMin = newCurrentValue.time().msecsTo(minimum.time());
+                            if (newCurrentValue.daysTo(maximum) > 0) {
+                                toMax = -1; // can't get to max
+                            } else {
+                                toMax = newCurrentValue.time().msecsTo(maximum.time());
+                            }
+                        } else {
+                            toMin = newCurrentValue.daysTo(minimum);
+                            toMax = newCurrentValue.daysTo(maximum);
+                        }
+                        const int maxChange = QDateTimeParser::maxChange(i);
+                        if (toMin > maxChange) {
+                            QDTPDEBUG << "invalid because toMin > maxChange" << toMin
+                                      << maxChange << t << newCurrentValue << minimum;
+                            state = Invalid;
+                            done = true;
+                            break;
+                        } else if (toMax > maxChange) {
+                            toMax = -1; // can't get to max
+                        }
+
+                        const int min = getDigit(minimum, i);
+                        if (min == -1) {
+                            qWarning("QDateTimeParser::parse Internal error 4 (%s)",
+                                     qPrintable(sectionName(sn.type)));
+                            state = Invalid;
+                            done = true;
+                            break;
+                        }
+
+                        int max = toMax != -1 ? getDigit(maximum, i) : absoluteMax(i, newCurrentValue);
+                        int pos = cursorPosition - sn.pos;
+                        if (pos < 0 || pos >= t.size())
+                            pos = -1;
+                        if (!potentialValue(t.simplified(), min, max, i, newCurrentValue, pos)) {
+                            QDTPDEBUG << "invalid because potentialValue(" << t.simplified() << min << max
+                                      << sectionName(sn.type) << "returned" << toMax << toMin << pos;
+                            state = Invalid;
+                            done = true;
+                            break;
+                        }
+                        state = Intermediate;
+                        done = true;
+                        break; }
+                    }
+                }
+            }
+        } else {
+            if (context == FromString) {
+                // optimization
+                Q_ASSERT(getMaximum().date().toJulianDay() == 4642999);
+                if (newCurrentValue.date().toJulianDay() > 4642999)
+                    state = Invalid;
+            } else {
+                if (newCurrentValue > getMaximum())
+                    state = Invalid;
+            }
+
+            QDTPDEBUG << "not checking intermediate because newCurrentValue is" << newCurrentValue << getMinimum() << getMaximum();
+        }
+    }
+    StateNode node;
+    node.input = input;
+    node.state = state;
+    node.conflicts = conflicts;
+    node.value = newCurrentValue.toTimeSpec(spec);
+    text = input;
+    return node;
+}
+#endif // QT_NO_DATESTRING
+
+#ifndef QT_NO_TEXTDATE
+/*!
+  \internal finds the first possible monthname that \a str1 can
+  match. Starting from \a index; str should already by lowered
+*/
+
+int QDateTimeParser::findMonth(const QString &str1, int startMonth, int sectionIndex,
+                               QString *usedMonth, int *used) const
+{
+    int bestMatch = -1;
+    int bestCount = 0;
+    if (!str1.isEmpty()) {
+        const SectionNode &sn = sectionNode(sectionIndex);
+        if (sn.type != MonthSection) {
+            qWarning("QDateTimeParser::findMonth Internal error");
+            return -1;
+        }
+
+        QLocale::FormatType type = sn.count == 3 ? QLocale::ShortFormat : QLocale::LongFormat;
+        QLocale l = locale();
+
+        for (int month=startMonth; month<=12; ++month) {
+            QString str2 = l.monthName(month, type).toLower();
+
+            if (str1.startsWith(str2)) {
+                if (used) {
+                    QDTPDEBUG << "used is set to" << str2.size();
+                    *used = str2.size();
+                }
+                if (usedMonth)
+                    *usedMonth = l.monthName(month, type);
+
+                return month;
+            }
+            if (context == FromString)
+                continue;
+
+            const int limit = qMin(str1.size(), str2.size());
+
+            QDTPDEBUG << "limit is" << limit << str1 << str2;
+            bool equal = true;
+            for (int i=0; i<limit; ++i) {
+                if (str1.at(i) != str2.at(i)) {
+                    equal = false;
+                    if (i > bestCount) {
+                        bestCount = i;
+                        bestMatch = month;
+                    }
+                    break;
+                }
+            }
+            if (equal) {
+                if (used)
+                    *used = limit;
+                if (usedMonth)
+                    *usedMonth = l.monthName(month, type);
+                return month;
+            }
+        }
+        if (usedMonth && bestMatch != -1)
+            *usedMonth = l.monthName(bestMatch, type);
+    }
+    if (used) {
+        QDTPDEBUG << "used is set to" << bestCount;
+        *used = bestCount;
+    }
+    return bestMatch;
+}
+
+int QDateTimeParser::findDay(const QString &str1, int startDay, int sectionIndex, QString *usedDay, int *used) const
+{
+    int bestMatch = -1;
+    int bestCount = 0;
+    if (!str1.isEmpty()) {
+        const SectionNode &sn = sectionNode(sectionIndex);
+        if (!(sn.type & (DaySection|DayOfWeekSection))) {
+            qWarning("QDateTimeParser::findDay Internal error");
+            return -1;
+        }
+        const QLocale l = locale();
+        for (int day=startDay; day<=7; ++day) {
+            const QString str2 = l.dayName(day, sn.count == 4 ? QLocale::LongFormat : QLocale::ShortFormat);
+
+            if (str1.startsWith(str2.toLower())) {
+                if (used)
+                    *used = str2.size();
+                if (usedDay) {
+                    *usedDay = str2;
+                }
+                return day;
+            }
+            if (context == FromString)
+                continue;
+
+            const int limit = qMin(str1.size(), str2.size());
+            bool found = true;
+            for (int i=0; i<limit; ++i) {
+                if (str1.at(i) != str2.at(i) && !str1.at(i).isSpace()) {
+                    if (i > bestCount) {
+                        bestCount = i;
+                        bestMatch = day;
+                    }
+                    found = false;
+                    break;
+                }
+
+            }
+            if (found) {
+                if (used)
+                    *used = limit;
+                if (usedDay)
+                    *usedDay = str2;
+
+                return day;
+            }
+        }
+        if (usedDay && bestMatch != -1) {
+            *usedDay = l.dayName(bestMatch, sn.count == 4 ? QLocale::LongFormat : QLocale::ShortFormat);
+        }
+    }
+    if (used)
+        *used = bestCount;
+
+    return bestMatch;
+}
+#endif // QT_NO_TEXTDATE
+
+/*!
+  \internal
+
+  returns
+  0 if str == QDateTimeEdit::tr("AM")
+  1 if str == QDateTimeEdit::tr("PM")
+  2 if str can become QDateTimeEdit::tr("AM")
+  3 if str can become QDateTimeEdit::tr("PM")
+  4 if str can become QDateTimeEdit::tr("PM") and can become QDateTimeEdit::tr("AM")
+  -1 can't become anything sensible
+
+*/
+
+int QDateTimeParser::findAmPm(QString &str, int index, int *used) const
+{
+    const SectionNode &s = sectionNode(index);
+    if (s.type != AmPmSection) {
+        qWarning("QDateTimeParser::findAmPm Internal error");
+        return -1;
+    }
+    if (used)
+        *used = str.size();
+    if (str.trimmed().isEmpty()) {
+        return PossibleBoth;
+    }
+    const QLatin1Char space(' ');
+    int size = sectionMaxSize(index);
+
+    enum {
+        amindex = 0,
+        pmindex = 1
+    };
+    QString ampm[2];
+    ampm[amindex] = getAmPmText(AmText, s.count == 1 ? UpperCase : LowerCase);
+    ampm[pmindex] = getAmPmText(PmText, s.count == 1 ? UpperCase : LowerCase);
+    for (int i=0; i<2; ++i)
+        ampm[i].truncate(size);
+
+    QDTPDEBUG << "findAmPm" << str << ampm[0] << ampm[1];
+
+    if (str.indexOf(ampm[amindex], 0, Qt::CaseInsensitive) == 0) {
+        str = ampm[amindex];
+        return AM;
+    } else if (str.indexOf(ampm[pmindex], 0, Qt::CaseInsensitive) == 0) {
+        str = ampm[pmindex];
+        return PM;
+    } else if (context == FromString || (str.count(space) == 0 && str.size() >= size)) {
+        return Neither;
+    }
+    size = qMin(size, str.size());
+
+    bool broken[2] = {false, false};
+    for (int i=0; i<size; ++i) {
+        if (str.at(i) != space) {
+            for (int j=0; j<2; ++j) {
+                if (!broken[j]) {
+                    int index = ampm[j].indexOf(str.at(i));
+                    QDTPDEBUG << "looking for" << str.at(i)
+                              << "in" << ampm[j] << "and got" << index;
+                    if (index == -1) {
+                        if (str.at(i).category() == QChar::Letter_Uppercase) {
+                            index = ampm[j].indexOf(str.at(i).toLower());
+                            QDTPDEBUG << "trying with" << str.at(i).toLower()
+                                      << "in" << ampm[j] << "and got" << index;
+                        } else if (str.at(i).category() == QChar::Letter_Lowercase) {
+                            index = ampm[j].indexOf(str.at(i).toUpper());
+                            QDTPDEBUG << "trying with" << str.at(i).toUpper()
+                                      << "in" << ampm[j] << "and got" << index;
+                        }
+                        if (index == -1) {
+                            broken[j] = true;
+                            if (broken[amindex] && broken[pmindex]) {
+                                QDTPDEBUG << str << "didn't make it";
+                                return Neither;
+                            }
+                            continue;
+                        } else {
+                            str[i] = ampm[j].at(index); // fix case
+                        }
+                    }
+                    ampm[j].remove(index, 1);
+                }
+            }
+        }
+    }
+    if (!broken[pmindex] && !broken[amindex])
+        return PossibleBoth;
+    return (!broken[amindex] ? PossibleAM : PossiblePM);
+}
+
+/*!
+  \internal
+  Max number of units that can be changed by this section.
+*/
+
+int QDateTimeParser::maxChange(int index) const
+{
+    const SectionNode &sn = sectionNode(index);
+    switch (sn.type) {
+        // Time. unit is msec
+    case MSecSection: return 999;
+    case SecondSection: return 59 * 1000;
+    case MinuteSection: return 59 * 60 * 1000;
+    case Hour24Section: case Hour12Section: return 59 * 60 * 60 * 1000;
+
+        // Date. unit is day
+    case DayOfWeekSection: return 7;
+    case DaySection: return 30;
+    case MonthSection: return 365 - 31;
+    case YearSection: return 9999 * 365;
+    case YearSection2Digits: return 100 * 365;
+    default:
+        qWarning("QDateTimeParser::maxChange() Internal error (%s)",
+                 qPrintable(sectionName(sectionType(index))));
+    }
+
+    return -1;
+}
+
+QDateTimeParser::FieldInfo QDateTimeParser::fieldInfo(int index) const
+{
+    FieldInfo ret = 0;
+    const SectionNode &sn = sectionNode(index);
+    const Section s = sn.type;
+    switch (s) {
+    case MSecSection:
+        ret |= Fraction;
+        // fallthrough
+    case SecondSection:
+    case MinuteSection:
+    case Hour24Section:
+    case Hour12Section:
+    case YearSection:
+    case YearSection2Digits:
+        ret |= Numeric;
+        if (s != YearSection) {
+            ret |= AllowPartial;
+        }
+        if (sn.count != 1) {
+            ret |= FixedWidth;
+        }
+        break;
+    case MonthSection:
+    case DaySection:
+        switch (sn.count) {
+        case 2:
+            ret |= FixedWidth;
+            // fallthrough
+        case 1:
+            ret |= (Numeric|AllowPartial);
+            break;
+        }
+        break;
+    case DayOfWeekSection:
+        if (sn.count == 3)
+            ret |= FixedWidth;
+        break;
+    case AmPmSection:
+        ret |= FixedWidth;
+        break;
+    default:
+        qWarning("QDateTimeParser::fieldInfo Internal error 2 (%d %s %d)",
+                 index, qPrintable(sectionName(sn.type)), sn.count);
+        break;
+    }
+    return ret;
+}
+
+/*!
+  \internal Get a number that str can become which is between min
+  and max or -1 if this is not possible.
+*/
+
+
+QString QDateTimeParser::sectionFormat(int index) const
+{
+    const SectionNode &sn = sectionNode(index);
+    return sectionFormat(sn.type, sn.count);
+}
+
+QString QDateTimeParser::sectionFormat(Section s, int count) const
+{
+    QChar fillChar;
+    switch (s) {
+    case AmPmSection: return count == 1 ? QLatin1String("AP") : QLatin1String("ap");
+    case MSecSection: fillChar = QLatin1Char('z'); break;
+    case SecondSection: fillChar = QLatin1Char('s'); break;
+    case MinuteSection: fillChar = QLatin1Char('m'); break;
+    case Hour24Section: fillChar = QLatin1Char('H'); break;
+    case Hour12Section: fillChar = QLatin1Char('h'); break;
+    case DayOfWeekSection:
+    case DaySection: fillChar = QLatin1Char('d'); break;
+    case MonthSection: fillChar = QLatin1Char('M'); break;
+    case YearSection2Digits:
+    case YearSection: fillChar = QLatin1Char('y'); break;
+    default:
+        qWarning("QDateTimeParser::sectionFormat Internal error (%s)",
+                 qPrintable(sectionName(s)));
+        return QString();
+    }
+    if (fillChar.isNull()) {
+        qWarning("QDateTimeParser::sectionFormat Internal error 2");
+        return QString();
+    }
+
+    QString str;
+    str.fill(fillChar, count);
+    return str;
+}
+
+
+/*! \internal Returns true if str can be modified to represent a
+  number that is within min and max.
+*/
+
+bool QDateTimeParser::potentialValue(const QString &str, int min, int max, int index,
+                                     const QDateTime &currentValue, int insert) const
+{
+    if (str.isEmpty()) {
+        return true;
+    }
+    const int size = sectionMaxSize(index);
+    int val = (int)locale().toUInt(str);
+    const SectionNode &sn = sectionNode(index);
+    if (sn.type == YearSection2Digits) {
+        val += currentValue.date().year() - (currentValue.date().year() % 100);
+    }
+    if (val >= min && val <= max && str.size() == size) {
+        return true;
+    } else if (val > max) {
+        return false;
+    } else if (str.size() == size && val < min) {
+        return false;
+    }
+
+    const int len = size - str.size();
+    for (int i=0; i<len; ++i) {
+        for (int j=0; j<10; ++j) {
+            if (potentialValue(str + QLatin1Char('0' + j), min, max, index, currentValue, insert)) {
+                return true;
+            } else if (insert >= 0) {
+                QString tmp = str;
+                tmp.insert(insert, QLatin1Char('0' + j));
+                if (potentialValue(tmp, min, max, index, currentValue, insert))
+                    return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+bool QDateTimeParser::skipToNextSection(int index, const QDateTime &current, const QString &text) const
+{
+    Q_ASSERT(current >= getMinimum() && current <= getMaximum());
+
+    const SectionNode &node = sectionNode(index);
+    Q_ASSERT(text.size() < sectionMaxSize(index));
+
+    const QDateTime maximum = getMaximum();
+    const QDateTime minimum = getMinimum();
+    QDateTime tmp = current;
+    int min = absoluteMin(index);
+    setDigit(tmp, index, min);
+    if (tmp < minimum) {
+        min = getDigit(minimum, index);
+    }
+
+    int max = absoluteMax(index, current);
+    setDigit(tmp, index, max);
+    if (tmp > maximum) {
+        max = getDigit(maximum, index);
+    }
+    int pos = cursorPosition() - node.pos;
+    if (pos < 0 || pos >= text.size())
+        pos = -1;
+
+    const bool potential = potentialValue(text, min, max, index, current, pos);
+    return !potential;
+
+    /* If the value potentially can become another valid entry we
+     * don't want to skip to the next. E.g. In a M field (month
+     * without leading 0 if you type 1 we don't want to autoskip but
+     * if you type 3 we do
+    */
+}
+
+/*!
+  \internal
+  For debugging. Returns the name of the section \a s.
+*/
+
+QString QDateTimeParser::sectionName(int s) const
+{
+    switch (s) {
+    case QDateTimeParser::AmPmSection: return QLatin1String("AmPmSection");
+    case QDateTimeParser::DaySection: return QLatin1String("DaySection");
+    case QDateTimeParser::DayOfWeekSection: return QLatin1String("DayOfWeekSection");
+    case QDateTimeParser::Hour24Section: return QLatin1String("Hour24Section");
+    case QDateTimeParser::Hour12Section: return QLatin1String("Hour12Section");
+    case QDateTimeParser::MSecSection: return QLatin1String("MSecSection");
+    case QDateTimeParser::MinuteSection: return QLatin1String("MinuteSection");
+    case QDateTimeParser::MonthSection: return QLatin1String("MonthSection");
+    case QDateTimeParser::SecondSection: return QLatin1String("SecondSection");
+    case QDateTimeParser::YearSection: return QLatin1String("YearSection");
+    case QDateTimeParser::YearSection2Digits: return QLatin1String("YearSection2Digits");
+    case QDateTimeParser::NoSection: return QLatin1String("NoSection");
+    case QDateTimeParser::FirstSection: return QLatin1String("FirstSection");
+    case QDateTimeParser::LastSection: return QLatin1String("LastSection");
+    default: return QLatin1String("Unknown section ") + QString::number(s);
+    }
+}
+
+/*!
+  \internal
+  For debugging. Returns the name of the state \a s.
+*/
+
+QString QDateTimeParser::stateName(int s) const
+{
+    switch (s) {
+    case Invalid: return QLatin1String("Invalid");
+    case Intermediate: return QLatin1String("Intermediate");
+    case Acceptable: return QLatin1String("Acceptable");
+    default: return QLatin1String("Unknown state ") + QString::number(s);
+    }
+}
+
+#ifndef QT_NO_DATESTRING
+bool QDateTimeParser::fromString(const QString &t, QDate *date, QTime *time) const
+{
+    QDateTime val(QDate(1900, 1, 1), QDATETIMEEDIT_TIME_MIN);
+    QString text = t;
+    int copy = -1;
+    const StateNode tmp = parse(text, copy, val, false);
+    if (tmp.state != Acceptable || tmp.conflicts) {
+        return false;
+    }
+    if (time) {
+        const QTime t = tmp.value.time();
+        if (!t.isValid()) {
+            return false;
+        }
+        *time = t;
+    }
+
+    if (date) {
+        const QDate d = tmp.value.date();
+        if (!d.isValid()) {
+            return false;
+        }
+        *date = d;
+    }
+    return true;
+}
+#endif // QT_NO_DATESTRING
+
+QDateTime QDateTimeParser::getMinimum() const
+{
+    return QDateTime(QDATETIMEEDIT_DATE_MIN, QDATETIMEEDIT_TIME_MIN, spec);
+}
+
+QDateTime QDateTimeParser::getMaximum() const
+{
+    return QDateTime(QDATETIMEEDIT_DATE_MAX, QDATETIMEEDIT_TIME_MAX, spec);
+}
+
+QString QDateTimeParser::getAmPmText(AmPm ap, Case cs) const
+{
+    if (ap == AmText) {
+        return (cs == UpperCase ? QLatin1String("AM") : QLatin1String("am"));
+    } else {
+        return (cs == UpperCase ? QLatin1String("PM") : QLatin1String("pm"));
+    }
+}
+
+/*
+  \internal
+
+  I give arg2 preference because arg1 is always a QDateTime.
+*/
+
+bool operator==(const QDateTimeParser::SectionNode &s1, const QDateTimeParser::SectionNode &s2)
+{
+    return (s1.type == s2.type) && (s1.pos == s2.pos) && (s1.count == s2.count);
+}
+
+
+#endif // QT_BOOTSTRAPPED
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qdatetime.h b/src/corelib/tools/qdatetime.h
new file mode 100644
index 0000000000..327829798e
--- /dev/null
+++ b/src/corelib/tools/qdatetime.h
@@ -0,0 +1,333 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDATETIME_H
+#define QDATETIME_H
+
+#include <QtCore/qstring.h>
+#include <QtCore/qnamespace.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QDate
+{
+public:
+    enum MonthNameType {
+        DateFormat = 0,
+        StandaloneFormat
+    };
+public:
+    QDate() { jd = 0; }
+    QDate(int y, int m, int d);
+
+    bool isNull() const { return jd == 0; }
+    bool isValid() const;
+
+    int year() const;
+    int month() const;
+    int day() const;
+    int dayOfWeek() const;
+    int dayOfYear() const;
+    int daysInMonth() const;
+    int daysInYear() const;
+    int weekNumber(int *yearNum = 0) const;
+
+#ifndef QT_NO_TEXTDATE
+#ifdef QT3_SUPPORT
+    static QT3_SUPPORT QString monthName(int month) { return shortMonthName(month); }
+    static QT3_SUPPORT QString dayName(int weekday) { return shortDayName(weekday); }
+#endif
+    // ### Qt 5: merge these functions.
+    static QString shortMonthName(int month);
+    static QString shortMonthName(int month, MonthNameType type);
+    static QString shortDayName(int weekday);
+    static QString shortDayName(int weekday, MonthNameType type);
+    static QString longMonthName(int month);
+    static QString longMonthName(int month, MonthNameType type);
+    static QString longDayName(int weekday);
+    static QString longDayName(int weekday, MonthNameType type);
+#endif // QT_NO_TEXTDATE
+#ifndef QT_NO_DATESTRING
+    QString toString(Qt::DateFormat f = Qt::TextDate) const;
+    QString toString(const QString &format) const;
+#endif
+    bool setYMD(int y, int m, int d);
+    bool setDate(int year, int month, int day);
+
+    void getDate(int *year, int *month, int *day);
+
+    QDate addDays(int days) const;
+    QDate addMonths(int months) const;
+    QDate addYears(int years) const;
+    int daysTo(const QDate &) const;
+
+    bool operator==(const QDate &other) const { return jd == other.jd; }
+    bool operator!=(const QDate &other) const { return jd != other.jd; }
+    bool operator<(const QDate &other) const { return jd < other.jd; }
+    bool operator<=(const QDate &other) const { return jd <= other.jd; }
+    bool operator>(const QDate &other) const { return jd > other.jd; }
+    bool operator>=(const QDate &other) const { return jd >= other.jd; }
+
+    static QDate currentDate();
+#ifndef QT_NO_DATESTRING
+    static QDate fromString(const QString &s, Qt::DateFormat f = Qt::TextDate);
+    static QDate fromString(const QString &s, const QString &format);
+#endif
+    static bool isValid(int y, int m, int d);
+    static bool isLeapYear(int year);
+#ifdef QT3_SUPPORT
+    inline static QT3_SUPPORT bool leapYear(int year) { return isLeapYear(year); }
+#endif
+
+    // ### Qt 5: remove these two functions
+    static uint gregorianToJulian(int y, int m, int d);
+    static void julianToGregorian(uint jd, int &y, int &m, int &d);
+
+#ifdef QT3_SUPPORT
+    static QT3_SUPPORT QDate currentDate(Qt::TimeSpec spec);
+#endif
+
+    static inline QDate fromJulianDay(int jd) { QDate d; d.jd = jd; return d; }
+    inline int toJulianDay() const { return jd; }
+
+private:
+    uint jd;
+
+    friend class QDateTime;
+    friend class QDateTimePrivate;
+#ifndef QT_NO_DATASTREAM
+    friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QDate &);
+    friend Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QDate &);
+#endif
+};
+Q_DECLARE_TYPEINFO(QDate, Q_MOVABLE_TYPE);
+
+class Q_CORE_EXPORT QTime
+{
+public:
+    QTime(): mds(NullTime)
+#if defined(Q_OS_WINCE)
+        , startTick(NullTime)
+#endif
+    {}
+    QTime(int h, int m, int s = 0, int ms = 0);
+
+    bool isNull() const { return mds == NullTime; }
+    bool isValid() const;
+
+    int hour() const;
+    int minute() const;
+    int second() const;
+    int msec() const;
+#ifndef QT_NO_DATESTRING
+    QString toString(Qt::DateFormat f = Qt::TextDate) const;
+    QString toString(const QString &format) const;
+#endif
+    bool setHMS(int h, int m, int s, int ms = 0);
+
+    QTime addSecs(int secs) const;
+    int secsTo(const QTime &) const;
+    QTime addMSecs(int ms) const;
+    int msecsTo(const QTime &) const;
+
+    bool operator==(const QTime &other) const { return mds == other.mds; }
+    bool operator!=(const QTime &other) const { return mds != other.mds; }
+    bool operator<(const QTime &other) const { return mds < other.mds; }
+    bool operator<=(const QTime &other) const { return mds <= other.mds; }
+    bool operator>(const QTime &other) const { return mds > other.mds; }
+    bool operator>=(const QTime &other) const { return mds >= other.mds; }
+
+    static QTime currentTime();
+#ifndef QT_NO_DATESTRING
+    static QTime fromString(const QString &s, Qt::DateFormat f = Qt::TextDate);
+    static QTime fromString(const QString &s, const QString &format);
+#endif
+    static bool isValid(int h, int m, int s, int ms = 0);
+
+#ifdef QT3_SUPPORT
+    static QT3_SUPPORT QTime currentTime(Qt::TimeSpec spec);
+#endif
+
+    void start();
+    int restart();
+    int elapsed() const;
+private:
+    enum TimeFlag { NullTime = -1 };
+    inline int ds() const { return mds == -1 ? 0 : mds; }
+    int mds;
+#if defined(Q_OS_WINCE)
+    int startTick;
+#endif
+
+    friend class QDateTime;
+    friend class QDateTimePrivate;
+#ifndef QT_NO_DATASTREAM
+    friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QTime &);
+    friend Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QTime &);
+#endif
+};
+Q_DECLARE_TYPEINFO(QTime, Q_MOVABLE_TYPE);
+
+class QDateTimePrivate;
+
+class Q_CORE_EXPORT QDateTime
+{
+public:
+    QDateTime();
+    explicit QDateTime(const QDate &);
+    QDateTime(const QDate &, const QTime &, Qt::TimeSpec spec = Qt::LocalTime);
+    QDateTime(const QDateTime &other);
+    ~QDateTime();
+
+    QDateTime &operator=(const QDateTime &other);
+
+    bool isNull() const;
+    bool isValid() const;
+
+    QDate date() const;
+    QTime time() const;
+    Qt::TimeSpec timeSpec() const;
+    uint toTime_t() const;
+    void setDate(const QDate &date);
+    void setTime(const QTime &time);
+    void setTimeSpec(Qt::TimeSpec spec);
+    void setTime_t(uint secsSince1Jan1970UTC);
+#ifndef QT_NO_DATESTRING
+    QString toString(Qt::DateFormat f = Qt::TextDate) const;
+    QString toString(const QString &format) const;
+#endif
+    QDateTime addDays(int days) const;
+    QDateTime addMonths(int months) const;
+    QDateTime addYears(int years) const;
+    QDateTime addSecs(int secs) const;
+    QDateTime addMSecs(qint64 msecs) const;
+    QDateTime toTimeSpec(Qt::TimeSpec spec) const;
+    inline QDateTime toLocalTime() const { return toTimeSpec(Qt::LocalTime); }
+    inline QDateTime toUTC() const { return toTimeSpec(Qt::UTC); }
+    int daysTo(const QDateTime &) const;
+    int secsTo(const QDateTime &) const;
+
+    bool operator==(const QDateTime &other) const;
+    inline bool operator!=(const QDateTime &other) const { return !(*this == other); }
+    bool operator<(const QDateTime &other) const;
+    inline bool operator<=(const QDateTime &other) const { return !(other < *this); }
+    inline bool operator>(const QDateTime &other) const { return other < *this; }
+    inline bool operator>=(const QDateTime &other) const { return !(*this < other); }
+
+    void setUtcOffset(int seconds);
+    int utcOffset() const;
+
+    static QDateTime currentDateTime();
+#ifndef QT_NO_DATESTRING
+    static QDateTime fromString(const QString &s, Qt::DateFormat f = Qt::TextDate);
+    static QDateTime fromString(const QString &s, const QString &format);
+#endif
+    static QDateTime fromTime_t(uint secsSince1Jan1970UTC);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT void setTime_t(uint secsSince1Jan1970UTC, Qt::TimeSpec spec) {
+        setTime_t(secsSince1Jan1970UTC);
+        if (spec == Qt::UTC)
+            *this = toUTC();
+    }
+    static inline QT3_SUPPORT QDateTime currentDateTime(Qt::TimeSpec spec) {
+        if (spec == Qt::LocalTime)
+            return currentDateTime();
+        else
+            return currentDateTime().toUTC();
+    }
+    
+#endif
+
+private:
+    friend class QDateTimePrivate;
+    void detach();
+    QDateTimePrivate *d;
+
+#ifndef QT_NO_DATASTREAM
+    friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QDateTime &);
+    friend Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QDateTime &);
+#endif
+};
+Q_DECLARE_TYPEINFO(QDateTime, Q_MOVABLE_TYPE);
+
+#ifdef QT3_SUPPORT
+inline QDate QDate::currentDate(Qt::TimeSpec spec)
+{
+    if (spec == Qt::LocalTime)
+        return currentDate();
+    else
+        return QDateTime::currentDateTime().toUTC().date();
+}
+
+inline QTime QTime::currentTime(Qt::TimeSpec spec)
+{
+    if (spec == Qt::LocalTime)
+        return currentTime();
+    else
+        return QDateTime::currentDateTime().toUTC().time();
+}
+#endif
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QDate &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QDate &);
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QTime &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QTime &);
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QDateTime &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QDateTime &);
+#endif // QT_NO_DATASTREAM
+
+#if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_NO_DATESTRING)
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QDate &);
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QTime &);
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QDateTime &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QDATETIME_H
diff --git a/src/corelib/tools/qdatetime_p.h b/src/corelib/tools/qdatetime_p.h
new file mode 100644
index 0000000000..b2fb58df0f
--- /dev/null
+++ b/src/corelib/tools/qdatetime_p.h
@@ -0,0 +1,285 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDATETIME_P_H
+#define QDATETIME_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qplatformdefs.h"
+#include "QtCore/qatomic.h"
+#include "QtCore/qdatetime.h"
+#include "QtCore/qstringlist.h"
+#include "QtCore/qlocale.h"
+#ifndef QT_BOOTSTRAPPED
+# include "QtCore/qvariant.h"
+#endif
+#include "QtCore/qvector.h"
+
+
+#define QDATETIMEEDIT_TIME_MIN QTime(0, 0, 0, 0)
+#define QDATETIMEEDIT_TIME_MAX QTime(23, 59, 59, 999)
+#define QDATETIMEEDIT_DATE_MIN QDate(100, 1, 1)
+#define QDATETIMEEDIT_COMPAT_DATE_MIN QDate(1752, 9, 14)
+#define QDATETIMEEDIT_DATE_MAX QDate(7999, 12, 31)
+#define QDATETIMEEDIT_DATETIME_MIN QDateTime(QDATETIMEEDIT_DATE_MIN, QDATETIMEEDIT_TIME_MIN)
+#define QDATETIMEEDIT_COMPAT_DATETIME_MIN QDateTime(QDATETIMEEDIT_COMPAT_DATE_MIN, QDATETIMEEDIT_TIME_MIN)
+#define QDATETIMEEDIT_DATETIME_MAX QDateTime(QDATETIMEEDIT_DATE_MAX, QDATETIMEEDIT_TIME_MAX)
+#define QDATETIMEEDIT_DATE_INITIAL QDate(2000, 1, 1)
+
+QT_BEGIN_NAMESPACE
+
+class QDateTimePrivate
+{
+public:
+    enum Spec { LocalUnknown = -1, LocalStandard = 0, LocalDST = 1, UTC = 2, OffsetFromUTC = 3};
+
+    QDateTimePrivate() : ref(1), spec(LocalUnknown), utcOffset(0) {}
+    QDateTimePrivate(const QDateTimePrivate &other)
+        : ref(1), date(other.date), time(other.time), spec(other.spec), utcOffset(other.utcOffset)
+    {}
+
+    QAtomicInt ref;
+    QDate date;
+    QTime time;
+    Spec spec;
+    /*!
+      \internal
+      \since 4.4
+
+      The offset in seconds. Applies only when timeSpec() is OffsetFromUTC.
+     */
+    int utcOffset;
+
+    Spec getLocal(QDate &outDate, QTime &outTime) const;
+    void getUTC(QDate &outDate, QTime &outTime) const;
+    static QDateTime addMSecs(const QDateTime &dt, qint64 msecs);
+    static void addMSecs(QDate &utcDate, QTime &utcTime, qint64 msecs);
+};
+
+#ifndef QT_BOOTSTRAPPED
+
+class Q_CORE_EXPORT QDateTimeParser
+{
+public:
+    enum Context {
+        FromString,
+        DateTimeEdit
+    };
+    QDateTimeParser(QVariant::Type t, Context ctx)
+        : currentSectionIndex(-1), display(0), cachedDay(-1), parserType(t),
+        fixday(false), spec(Qt::LocalTime), context(ctx)
+    {
+        defaultLocale = QLocale::system();
+        first.type = FirstSection;
+        first.pos = -1;
+        first.count = -1;
+        last.type = FirstSection;
+        last.pos = -1;
+        last.count = -1;
+        none.type = NoSection;
+        none.pos = -1;
+        none.count = -1;
+    }
+    virtual ~QDateTimeParser() {}
+    enum {
+        Neither = -1,
+        AM = 0,
+        PM = 1,
+        PossibleAM = 2,
+        PossiblePM = 3,
+        PossibleBoth = 4
+    };
+
+    enum {
+        NoSectionIndex = -1,
+        FirstSectionIndex = -2,
+        LastSectionIndex = -3,
+        CalendarPopupIndex = -4
+    };
+
+    enum Section {
+        NoSection = 0x00000,
+        AmPmSection = 0x00001,
+        MSecSection = 0x00002,
+        SecondSection = 0x00004,
+        MinuteSection = 0x00008,
+        Hour12Section   = 0x00010,
+        Hour24Section   = 0x00020,
+        TimeSectionMask = (AmPmSection|MSecSection|SecondSection|MinuteSection|Hour12Section|Hour24Section),
+        Internal = 0x10000,
+        DaySection = 0x00100,
+        MonthSection = 0x00200,
+        YearSection = 0x00400,
+        YearSection2Digits = 0x00800,
+        DayOfWeekSection = 0x01000,
+        DateSectionMask = (DaySection|MonthSection|YearSection|YearSection2Digits|DayOfWeekSection),
+        FirstSection = 0x02000|Internal,
+        LastSection = 0x04000|Internal,
+        CalendarPopupSection = 0x08000|Internal
+    }; // duplicated from qdatetimeedit.h
+    Q_DECLARE_FLAGS(Sections, Section)
+
+    struct SectionNode {
+        Section type;
+        mutable int pos;
+        int count;
+    };
+
+    enum State { // duplicated from QValidator
+        Invalid,
+        Intermediate,
+        Acceptable
+    };
+
+    struct StateNode {
+        StateNode() : state(Invalid), conflicts(false) {}
+        QString input;
+        State state;
+        bool conflicts;
+        QDateTime value;
+    };
+
+    enum AmPm {
+        AmText,
+        PmText
+    };
+
+    enum Case {
+        UpperCase,
+        LowerCase
+    };
+
+#ifndef QT_NO_DATESTRING
+    StateNode parse(QString &input, int &cursorPosition, const QDateTime &currentValue, bool fixup) const;
+#endif
+    int sectionMaxSize(int index) const;
+    int sectionSize(int index) const;
+    int sectionMaxSize(Section s, int count) const;
+    int sectionPos(int index) const;
+    int sectionPos(const SectionNode &sn) const;
+
+    const SectionNode &sectionNode(int index) const;
+    Section sectionType(int index) const;
+    QString sectionText(int sectionIndex) const;
+    QString sectionText(const QString &text, int sectionIndex, int index) const;
+    int getDigit(const QDateTime &dt, int index) const;
+    bool setDigit(QDateTime &t, int index, int newval) const;
+    int parseSection(const QDateTime &currentValue, int sectionIndex, QString &txt, int &cursorPosition,
+                     int index, QDateTimeParser::State &state, int *used = 0) const;
+    int absoluteMax(int index, const QDateTime &value = QDateTime()) const;
+    int absoluteMin(int index) const;
+    bool parseFormat(const QString &format);
+#ifndef QT_NO_DATESTRING
+    bool fromString(const QString &text, QDate *date, QTime *time) const;
+#endif
+
+#ifndef QT_NO_TEXTDATE
+    int findMonth(const QString &str1, int monthstart, int sectionIndex,
+                  QString *monthName = 0, int *used = 0) const;
+    int findDay(const QString &str1, int intDaystart, int sectionIndex,
+                QString *dayName = 0, int *used = 0) const;
+#endif
+    int findAmPm(QString &str1, int index, int *used = 0) const;
+    int maxChange(int s) const;
+    bool potentialValue(const QString &str, int min, int max, int index,
+                        const QDateTime &currentValue, int insert) const;
+    bool skipToNextSection(int section, const QDateTime &current, const QString &sectionText) const;
+    QString sectionName(int s) const;
+    QString stateName(int s) const;
+
+    QString sectionFormat(int index) const;
+    QString sectionFormat(Section s, int count) const;
+
+    enum FieldInfoFlag {
+        Numeric = 0x01,
+        FixedWidth = 0x02,
+        AllowPartial = 0x04,
+        Fraction = 0x08
+    };
+    Q_DECLARE_FLAGS(FieldInfo, FieldInfoFlag)
+
+    FieldInfo fieldInfo(int index) const;
+
+    virtual QDateTime getMinimum() const;
+    virtual QDateTime getMaximum() const;
+    virtual int cursorPosition() const { return -1; }
+    virtual QString displayText() const { return text; }
+    virtual QString getAmPmText(AmPm ap, Case cs) const;
+    virtual QLocale locale() const { return defaultLocale; }
+
+    mutable int currentSectionIndex;
+    Sections display;
+    mutable int cachedDay;
+    mutable QString text;
+    QVector<SectionNode> sectionNodes;
+    SectionNode first, last, none, popup;
+    QStringList separators;
+    QString displayFormat;
+    QLocale defaultLocale;
+    QVariant::Type parserType;
+
+    bool fixday;
+
+    Qt::TimeSpec spec; // spec if used by QDateTimeEdit
+    Context context;
+};
+
+Q_CORE_EXPORT bool operator==(const QDateTimeParser::SectionNode &s1, const QDateTimeParser::SectionNode &s2);
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QDateTimeParser::Sections)
+Q_DECLARE_OPERATORS_FOR_FLAGS(QDateTimeParser::FieldInfo)
+
+
+#endif // QT_BOOTSTRAPPED
+
+QT_END_NAMESPACE
+
+#endif // QDATETIME_P_H
diff --git a/src/corelib/tools/qdumper.cpp b/src/corelib/tools/qdumper.cpp
new file mode 100644
index 0000000000..c3b8524cee
--- /dev/null
+++ b/src/corelib/tools/qdumper.cpp
@@ -0,0 +1,1157 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qdatetime.h>
+#include <qdebug.h>
+#include <qdir.h>
+#include <qfileinfo.h>
+#include <qhash.h>
+#include <qmap.h>
+#include <qmetaobject.h>
+#include <qobject.h>
+#include <qstring.h>
+#include <qvariant.h>
+#include <qvector.h>
+
+#if !defined(Q_OS_WINCE) && !defined(QT_NO_DUMPER)
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef Q_OS_WIN
+#   include <windows.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+namespace {
+
+// This is used to abort evaluation of custom data dumpers in a "coordinated"
+// way. Abortion will happen anyway when we try to access a non-initialized
+// non-trivial object, so there is no way to prevent this from occuring at all
+// conceptionally.  Gdb will catch SIGSEGV and return to the calling frame.
+// This is just fine provided we only _read_ memory in the custom handlers
+// below.
+
+volatile int qProvokeSegFaultHelper;
+
+static void qCheckAccess(const void *d)
+{
+    // provoke segfault when address is not readable
+    qProvokeSegFaultHelper = *(char*)d;
+}
+
+static void qCheckPointer(const void *d)
+{
+    if (!d)
+        return;
+    qProvokeSegFaultHelper = *(char*)d;
+}
+
+static void qProvokeSegFault()
+{
+    // provoke segfault unconditionally
+    qCheckAccess(0);
+}
+
+static char qDumpInBuffer[100];
+static char qDumpBuffer[1000];
+#ifdef Q_OS_WIN
+static char qDumpBuffer2[sizeof(qDumpBuffer) + 100];
+#endif
+
+static char toHex(int n)
+{
+    return n < 10 ? '0' + n : 'a' - 10 + n;
+}
+
+
+struct QDumper
+{
+    explicit QDumper();
+    ~QDumper();
+    void flush();
+    QDumper &operator<<(long c);
+    QDumper &operator<<(int i);
+    QDumper &operator<<(unsigned long c);
+    QDumper &operator<<(unsigned int i);
+    QDumper &operator<<(const void *p);
+    void put(char c);
+    void addCommaIfNeeded();
+    void putEncoded(unsigned c);
+    QDumper &operator<<(const char *str);
+    QDumper &operator<<(const QString &str);
+    void disarm();
+
+    void beginHash(); // start of data hash output
+    void endHash(); // start of data hash output
+
+    // the dumper arguments
+    int protocolVersion;   // dumper protocol version
+    int token;             // some token to show on success
+    const char *outertype; // object type
+    const char *iname;     // object name used for display
+    const char *exp;       // object expression
+    const char *innertype; // 'inner type' for class templates
+    const void *data;      // pointer to raw data
+    bool dumpChildren;     // do we want to see children?
+
+    // handling of nested templates
+    void setupTemplateParameters();
+    enum { maxTemplateParameters = 10 };
+    const char *templateParameters[maxTemplateParameters + 1];
+    int templateParametersCount;
+
+    // internal state
+    bool success;          // are we finished?
+    size_t pos;
+};
+
+
+QDumper::QDumper()
+{
+    success = false;
+    pos = 0;
+}
+
+QDumper::~QDumper()
+{
+    flush();
+    put(0); // our end marker
+#ifdef Q_OS_WIN
+    sprintf(qDumpBuffer2, "@@CDD/%d/done\n", token);
+    OutputDebugStringA(qDumpBuffer2);
+#else
+    fprintf(stderr, "%d/done\n", token);
+#endif
+    qDumpInBuffer[0] = 0;
+}
+
+void QDumper::flush()
+{
+    qDumpBuffer[pos++] = 0;
+#ifdef Q_OS_WIN
+    sprintf(qDumpBuffer2, "@@CDD#%d#%d,%s\n", token, int(pos - 1), qDumpBuffer);
+    OutputDebugStringA(qDumpBuffer2);
+#else
+    fprintf(stderr, "%d#%d,%s\n", token, int(pos - 1), qDumpBuffer);
+#endif
+    pos = 0;
+}
+
+void QDumper::setupTemplateParameters()
+{
+    char *s = const_cast<char *>(innertype);
+
+    templateParametersCount = 1;
+    templateParameters[0] = s;
+    for (int i = 1; i != maxTemplateParameters + 1; ++i)
+        templateParameters[i] = 0;
+
+    while (*s) {
+        while (*s && *s != '@')
+            ++s;
+        if (*s) {
+            *s = '\0';
+            ++s;
+            templateParameters[templateParametersCount++] = s;
+        }
+    }
+}
+
+QDumper &QDumper::operator<<(unsigned long c)
+{
+    static char buf[100];
+    sprintf(buf, "%lu", c);
+    return (*this) << buf;
+}
+
+QDumper &QDumper::operator<<(unsigned int i)
+{
+    static char buf[100];
+    sprintf(buf, "%u", i);
+    return (*this) << buf;
+}
+
+QDumper &QDumper::operator<<(long c)
+{
+    static char buf[100];
+    sprintf(buf, "%ld", c);
+    return (*this) << buf;
+}
+
+QDumper &QDumper::operator<<(int i)
+{
+    static char buf[100];
+    sprintf(buf, "%d", i);
+    return (*this) << buf;
+}
+
+QDumper &QDumper::operator<<(const void *p)
+{
+    static char buf[100];
+    sprintf(buf, "%p", p);
+    // we get a '0x' prefix only on some implementations.
+    // if it isn't there, write it out manually.
+    if (buf[1] != 'x') {
+        put('0');
+        put('x');
+    }
+    return (*this) << buf;
+}
+
+void QDumper::put(char c)
+{
+    if (pos >= sizeof(qDumpBuffer) - 100)
+        flush();
+    qDumpBuffer[pos++] = c;
+}
+
+void QDumper::addCommaIfNeeded()
+{
+    if (pos == 0)
+        return;
+    if (qDumpBuffer[pos - 1] == '}' || qDumpBuffer[pos - 1] == '"')
+        put(',');
+}
+
+void QDumper::putEncoded(unsigned c)
+{
+    if (c >= 32 && c <= 126 && c != '"' && c != '\\') {
+        put(c);
+    } else {
+        put('\\');
+        put('u');
+        put(toHex((c >> 12) & 0xf));
+        put(toHex((c >>  8) & 0xf));
+        put(toHex((c >>  4) & 0xf));
+        put(toHex( c        & 0xf));
+    }
+}
+
+QDumper &QDumper::operator<<(const char *str)
+{
+    while (*str)
+        put(*(str++));
+    return *this;
+}
+
+QDumper &QDumper::operator<<(const QString &str)
+{
+    int n = str.size();
+    if (n < 0) {
+        qProvokeSegFault();
+    } else {
+        //(*this) << "[" << n << "]";
+        if (n > 1000000)
+            n = 1000000;
+        //put(' ');
+        put('\\');
+        put('"');
+        for (int i = 0; i != n; ++i)
+            putEncoded(str[i].unicode());
+        put('\\');
+        put('"');
+        if (n < str.size())
+            (*this) << "<incomplete string>";
+    }
+    return *this;
+}
+
+void QDumper::disarm()
+{
+    flush();
+    success = true;
+}
+
+void QDumper::beginHash()
+{
+    addCommaIfNeeded();
+    put('{');
+}
+
+void QDumper::endHash()
+{
+    put('}');
+}
+
+
+//
+// Some helpers to keep the dumper code short
+//
+
+// dump property=value pair
+#undef P
+#define P(dumper,name,value) \
+    do { \
+        dumper.addCommaIfNeeded(); \
+        dumper << (name) << "=\"" << value << "\""; \
+    } while (0)
+
+// simple string property
+#undef S
+#define S(dumper, name, value) \
+    dumper.beginHash(); \
+    P(dumper, "name", name); \
+    P(dumper, "value", value); \
+    P(dumper, "type", "QString"); \
+    P(dumper, "numchild", "0"); \
+    dumper.endHash();
+
+// simple integer property
+#undef I
+#define I(dumper, name, value) \
+    dumper.beginHash(); \
+    P(dumper, "name", name); \
+    P(dumper, "value", value); \
+    P(dumper, "type", "int"); \
+    P(dumper, "numchild", "0"); \
+    dumper.endHash();
+
+// simple boolean property
+#undef BL
+#define BL(dumper, name, value) \
+    dumper.beginHash(); \
+    P(dumper, "name", name); \
+    P(dumper, "value", (value ? "true" : "false")); \
+    P(dumper, "type", "bool"); \
+    P(dumper, "numchild", "0"); \
+    dumper.endHash();
+
+#undef TT
+#define TT(type, value) \
+    "<tr><td>" << type << "</td><td> : </td><td>" << value << "</td></tr>"
+
+static void qDumpUnknown(QDumper &d)
+{
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "<internal error>");
+    P(d, "type", d.outertype);
+    P(d, "numchild", "0");
+    d.disarm();
+}
+
+static void qDumpQPropertyList(QDumper &d)
+{
+    const QObject *ob = (const QObject *)d.data;
+    const QMetaObject *mo = ob->metaObject();
+    P(d, "iname", d.iname);
+    P(d, "addr", "<synthetic>");
+    P(d, "type", "QObject");
+    P(d, "numchild", mo->propertyCount());
+    if (d.dumpChildren) {
+        d << ",children=[";
+        for (int i = mo->propertyCount(); --i >= 0; ) {
+            const QMetaProperty & prop = mo->property(i);
+            d.beginHash();
+            P(d, "name", prop.name());
+            if (QLatin1String(prop.typeName()) == QLatin1String("QString")) {
+                P(d, "value", prop.read(ob).toString());
+                P(d, "numchild", "0");
+            } else if (QLatin1String(prop.typeName()) == QLatin1String("bool")) {
+                P(d, "value", (prop.read(ob).toBool() ? "true" : "false"));
+                P(d, "numchild", "0");
+            } else if (QLatin1String(prop.typeName()) == QLatin1String("int")) {
+                P(d, "value", prop.read(ob).toInt());
+                P(d, "numchild", "0");
+            } else {
+                P(d, "exp", "((" << mo->className() << "*)" << ob
+                            << ")->" << prop.name() << "()");
+            }
+            P(d, "type", prop.typeName());
+            P(d, "numchild", "1");
+            d.endHash();
+        }
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQObject(QDumper &d)
+{
+    const QObject *ob = reinterpret_cast<const QObject *>(d.data);
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", (void*)d.data);
+    P(d, "type", "QObject");
+    P(d, "numchild", 4);
+    if (d.dumpChildren) {
+        const QMetaObject *mo = ob->metaObject();
+        const QObjectList &children = ob->children();
+        d << ",children=[";
+        S(d, "objectName", ob->objectName());
+        d.beginHash();
+            P(d, "name", "properties");
+            // FIXME: Note that when simply using '(QObject*)'
+            // in the cast below, Gdb/MI _sometimes misparses
+            // expressions further down in the tree.
+            P(d, "exp", "*(class QObject*)" << d.data);
+            P(d, "type", "QPropertyList");
+            P(d, "value", "<" << mo->propertyCount() << " items>");
+            P(d, "numchild", mo->propertyCount());
+        d.endHash();
+        d.beginHash();
+            P(d, "name", "children");
+            P(d, "exp", "((class QObject*)" << d.data << ")->children()");
+            P(d, "type", "QList<QObject *>");
+            P(d, "value", "<" << children.size() << " items>");
+            P(d, "numchild", children.size());
+        d.endHash();
+        d.beginHash();
+            P(d, "name", "parent");
+            P(d, "exp", "((class QObject*)" << d.data << ")->parent()");
+            P(d, "type", "QObject *");
+            P(d, "numchild", (ob->parent() ? "1" : "0"));
+        d.endHash();
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQDir(QDumper &d)
+{
+    const QDir &dir = *reinterpret_cast<const QDir *>(d.data);
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", dir.path());
+    P(d, "type", "QDir");
+    P(d, "numchild", "3");
+    if (d.dumpChildren) {
+        d << ",children=[";
+        S(d, "absolutePath", dir.absolutePath());
+        S(d, "canonicalPath", dir.canonicalPath());
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQFileInfo(QDumper &d)
+{
+    const QFileInfo &info = *reinterpret_cast<const QFileInfo *>(d.data);
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", info.filePath());
+    P(d, "type", "QDir");
+    P(d, "numchild", "3");
+    if (d.dumpChildren) {
+        d << ",children=[";
+        S(d, "absolutePath", info.absolutePath());
+        S(d, "absoluteFilePath", info.absoluteFilePath());
+        S(d, "canonicalPath", info.canonicalPath());
+        S(d, "canonicalFilePath", info.canonicalFilePath());
+        S(d, "completeBaseName", info.completeBaseName());
+        S(d, "completeSuffix", info.completeSuffix());
+        S(d, "baseName", info.baseName());
+#ifdef Q_OS_MACX
+        BL(d, "isBundle", info.isBundle());
+        S(d, "bundleName", info.bundleName());
+#endif
+        S(d, "completeSuffix", info.completeSuffix());
+        S(d, "fileName", info.fileName());
+        S(d, "filePath", info.filePath());
+        S(d, "group", info.group());
+        S(d, "owner", info.owner());
+        S(d, "path", info.path());
+
+        I(d, "groupid", (long)info.groupId());
+        I(d, "ownerid", (long)info.ownerId());
+        //QFile::Permissions permissions () const
+        I(d, "permissions", info.permissions());
+
+        //QDir absoluteDir () const
+        //QDir dir () const
+
+        BL(d, "caching", info.caching());
+        BL(d, "exists", info.exists());
+        BL(d, "isAbsolute", info.isAbsolute());
+        BL(d, "isDir", info.isDir());
+        BL(d, "isExecutable", info.isExecutable());
+        BL(d, "isFile", info.isFile());
+        BL(d, "isHidden", info.isHidden());
+        BL(d, "isReadable", info.isReadable());
+        BL(d, "isRelative", info.isRelative());
+        BL(d, "isRoot", info.isRoot());
+        BL(d, "isSymLink", info.isSymLink());
+        BL(d, "isWritable", info.isWritable());
+
+#ifndef QT_NO_DATESTRING
+        d.beginHash();
+        P(d, "name", "created");
+        P(d, "value", info.created().toString());
+        P(d, "exp", "((QFileInfo*)" << d.data << ")->created()");
+        P(d, "type", "QDateTime");
+        P(d, "numchild", "1");
+        d.endHash();
+
+        d.beginHash();
+        P(d, "name", "lastModified");
+        P(d, "value", info.lastModified().toString());
+        P(d, "exp", "((QFileInfo*)" << d.data << ")->lastModified()");
+        P(d, "type", "QDateTime");
+        P(d, "numchild", "1");
+        d.endHash();
+
+        d.beginHash();
+        P(d, "name", "lastRead");
+        P(d, "value", info.lastRead().toString());
+        P(d, "exp", "((QFileInfo*)" << d.data << ")->lastRead()");
+        P(d, "type", "QDateTime");
+        P(d, "numchild", "1");
+        d.endHash();
+#endif
+
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQDateTime(QDumper &d)
+{
+#ifdef QT_NO_DATESTRING
+    qDumpUnknown(d);
+#else
+    const QDateTime &date = *reinterpret_cast<const QDateTime *>(d.data);
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", date.toString());
+    P(d, "type", "QDateTime");
+    P(d, "numchild", "3");
+    if (d.dumpChildren) {
+        d << ",children=[";
+        BL(d, "isNull", date.isNull());
+        I(d, "toTime_t", (long)date.toTime_t());
+        S(d, "toString", date.toString());
+        S(d, "toString_(ISO)", date.toString(Qt::ISODate));
+        S(d, "toString_(SystemLocale)", date.toString(Qt::SystemLocaleDate));
+        S(d, "toString_(Locale)", date.toString(Qt::LocaleDate));
+        S(d, "toString", date.toString());
+
+        d.beginHash();
+        P(d, "name", "toUTC");
+        P(d, "exp", "((QDateTime*)" << d.data << ")->toTimeSpec(Qt::UTC)");
+        P(d, "type", "QDateTime");
+        P(d, "numchild", "1");
+        d.endHash();
+
+        d.beginHash();
+        P(d, "name", "toLocalTime");
+        P(d, "exp", "((QDateTime*)" << d.data << ")->toTimeSpec(Qt::LocalTime)");
+        P(d, "type", "QDateTime");
+        P(d, "numchild", "1");
+        d.endHash();
+
+        d << "]";
+    }
+    d.disarm();
+#endif // ifdef QT_NO_DATESTRING
+}
+
+static void qDumpQString(QDumper &d)
+{
+    const QString &str = *reinterpret_cast<const QString *>(d.data);
+
+    // Try to provoke segfaults early to prevent the frontend
+    // from asking for unavailable child details
+    if (!str.isEmpty()) {
+        volatile ushort dummy = 0;
+        dummy += str.at(0).unicode();
+        dummy += str.at(str.size() - 1).unicode();
+    }
+
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", str);
+    P(d, "type", "QString");
+    P(d, "numchild", "0");
+    d.disarm();
+}
+
+static void qDumpQStringList(QDumper &d)
+{
+    const QStringList &list = *reinterpret_cast<const QStringList *>(d.data);
+    int n = list.size();
+    if (n < 0)
+        qProvokeSegFault();
+    if (n > 0) {
+        qCheckAccess(&list.front());
+        qCheckAccess(&list.back());
+    }
+
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "<" << n << " items>");
+    P(d, "valuedisabled", "true");
+    P(d, "numchild", n);
+    if (d.dumpChildren) {
+        if (n > 100)
+            n = 100;
+        d << ",children=[";
+        for (int i = 0; i != n; ++i) {
+            S(d, "[" << i << "]", list[i]);
+        }
+        if (n < list.size()) {
+            d.beginHash();
+            P(d, "value", "<incomplete>");
+            P(d, "type", " ");
+            P(d, "numchild", "0");
+            d.endHash();
+        }
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQVariantHelper(const void *data, QString *value,
+    QString *exp, int *numchild)
+{
+    const QVariant &v = *reinterpret_cast<const QVariant *>(data);
+    switch (v.type()) {
+    case QVariant::Invalid:
+        *value = QLatin1String("<invalid>");
+        *numchild = 0;
+        break;
+    case QVariant::String:
+        *value = QLatin1Char('"') + v.toString() + QLatin1Char('"');
+        *numchild = 0;
+        break;
+    case QVariant::StringList:
+        *exp = QString(QLatin1String("((QVariant*)%1)->d.data.c"))
+                    .arg((qulonglong)data);
+        *numchild = v.toStringList().size();
+        break;
+    case QVariant::Int:
+        *value = QString::number(v.toInt());
+        *numchild= 0;
+        break;
+    case QVariant::Double:
+        *value = QString::number(v.toDouble());
+        *numchild = 0;
+        break;
+    default:
+        // FIXME
+        //*exp = QString("qVariantValue<" << v.typeName() << ">"
+        //             << "(*(QVariant*)" << data << ")");
+        break;
+    }
+}
+
+static void qDumpQVariant(QDumper &d)
+{
+    const QVariant &v = *reinterpret_cast<const QVariant *>(d.data);
+    QString value;
+    QString exp;
+    int numchild = 0;
+    qDumpQVariantHelper(d.data, &value, &exp, &numchild);
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "(" << v.typeName() << ") " << qPrintable(value));
+    P(d, "type", "QVariant");
+    P(d, "numchild", 1);
+    if (d.dumpChildren) {
+        d << ",children=[";
+        d.beginHash();
+        P(d, "name", "value");
+        if (!exp.isEmpty())
+            P(d, "exp", qPrintable(exp));
+        if (!value.isEmpty())
+            P(d, "value", qPrintable(value));
+        P(d, "type", v.typeName());
+        P(d, "numchild", numchild);
+        d.endHash();
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQList(QDumper &d)
+{
+    // This uses the knowledge that QList<T> has only a single member
+    // of type  union { QListData p; QListData::Data *d; };
+    const QListData &ldata = *reinterpret_cast<const QListData*>(d.data);
+    const QListData::Data *pdata = *reinterpret_cast<const QListData::Data* const*>(d.data);
+    int nn = ldata.size();
+    if (nn < 0)
+        qProvokeSegFault();
+    if (nn > 0) {
+        qCheckAccess(ldata.d->array);
+        //qCheckAccess(ldata.d->array[0]);
+        //qCheckAccess(ldata.d->array[nn - 1]);
+    }
+
+    int n = nn;
+    P(d, "iname", d.iname);
+    P(d, "value", "<" << n << " items>");
+    P(d, "valuedisabled", "true");
+    P(d, "numchild", n);
+    if (d.dumpChildren) {
+        if (n > 100)
+            n = 100;
+        d << ",children=[";
+        for (int i = 0; i != n; ++i) {
+            d.beginHash();
+            P(d, "name", "[" << i << "]");
+            // The exact condition here is:
+            //  QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic
+            // but this data is not available in the compiled binary.
+            // So as first approximation only do the 'isLarge' check:
+            void *p = &(ldata.d->array[i + pdata->begin]);
+            unsigned long voidpsize = sizeof(void*);
+            P(d, "exp", "(sizeof(" << d.innertype << ")>" << voidpsize <<
+                "?(**(" << d.innertype << "**)(" << p << "))" 
+                ":(*(" << d.innertype << "*)(" << p << ")))");
+            P(d, "type", d.innertype);
+            d.endHash();
+        }
+        if (n < nn) {
+            d << ",{";
+            P(d, "value", "<incomplete>");
+            d.endHash();
+        }
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQVector(QDumper &d)
+{
+    // Use 'int' as representative value. No way (and no need)
+    // to deduce proper type here.
+    const QVector<int> &vec = *reinterpret_cast<const QVector<int> *>(d.data);
+    const int nn = vec.size();
+
+    // Try to provoke segfaults early to prevent the frontend
+    // from asking for unavailable child details
+    if (nn < 0)
+        qProvokeSegFault();
+    if (nn > 0) {
+        qCheckAccess(&vec.front());
+        qCheckAccess(&vec.back());
+    }
+
+    //int innersize = 0;
+    //scanf(qDumpInBuffer, "%d", &innersize);
+    
+    int n = nn;
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "<" << n << " items>");
+    P(d, "valuedisabled", "true");
+    P(d, "numchild", n);
+    if (d.dumpChildren) {
+        if (n > 100)
+            n = 100;
+        d << ",children=[";
+        for (int i = 0; i != n; ++i) {
+            if (i)
+                d << ",";
+            d.beginHash();
+            P(d, "name", "[" << i << "]");
+            P(d, "exp", "(" << d.exp << ".d->array[" << i << "])");
+            P(d, "type", d.innertype);
+            d.endHash();
+        }
+        if (n < nn) {
+            d << ",{";
+            P(d, "value", "<incomplete>");
+            d.endHash();
+        }
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQHashNode(QDumper &d)
+{
+    struct NodeOS { void *next; uint k; uint  v; } nodeOS; // int-key optimization, small value
+    struct NodeOL { void *next; uint k; void *v; } nodeOL; // int-key optimiatzion, large value
+    struct NodeNS { void *next; uint h; uint  k; uint  v; } nodeNS; // no optimization, small value
+    struct NodeNL { void *next; uint h; uint  k; void *v; } nodeNL; // no optimization, large value
+    struct NodeL  { void *next; uint h; void *k; void *v; } nodeL; // complex key
+
+    // offsetof(...,...) not yet in Standard C++
+    const ulong nodeOSk ( (char *)&nodeOS.k - (char *)&nodeOS );
+    const ulong nodeOSv ( (char *)&nodeOS.v - (char *)&nodeOS );
+    const ulong nodeOLk ( (char *)&nodeOL.k - (char *)&nodeOL );
+    const ulong nodeOLv ( (char *)&nodeOL.v - (char *)&nodeOL );
+    const ulong nodeNSk ( (char *)&nodeNS.k - (char *)&nodeNS );
+    const ulong nodeNSv ( (char *)&nodeNS.v - (char *)&nodeNS );
+    const ulong nodeNLk ( (char *)&nodeNL.k - (char *)&nodeNL );
+    const ulong nodeNLv ( (char *)&nodeNL.v - (char *)&nodeNL );
+    const ulong nodeLk  ( (char *)&nodeL.k  - (char *)&nodeL );
+    const ulong nodeLv  ( (char *)&nodeL.v  - (char *)&nodeL );
+
+    const QHashData *h = reinterpret_cast<const QHashData *>(d.data);
+    const char *keyType   = d.templateParameters[0];
+    const char *valueType = d.templateParameters[1];
+
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "");
+    P(d, "numchild", 2);
+    if (d.dumpChildren) {
+        // there is a hash specialization in cast the key are integers or shorts
+        bool isOptimizedIntKey = qstrcmp(keyType, "int") == 0
+#if defined(Q_BYTE_ORDER) && Q_BYTE_ORDER == Q_LITTLE_ENDIAN
+            || qstrcmp(keyType, "short") == 0
+            || qstrcmp(keyType, "ushort") == 0
+#endif
+            || qstrcmp(keyType, "uint") == 0;
+
+        d << ",children=[";
+        d.beginHash();
+        P(d, "name", "key");
+        P(d, "type", keyType);
+        unsigned long intsize = sizeof(int);
+        if (isOptimizedIntKey) {
+            P(d, "exp", "*(" << keyType << "*)"
+                "(((sizeof(" << valueType << ")>" << intsize << ")?"
+              << nodeOLk << ":" << nodeOSk <<
+                ")+(char*)" << h << ")");
+        } else {
+            P(d, "exp", "*(" << keyType << "*)"
+              "(((sizeof(" << keyType << ")>" << intsize << ")?"
+                << nodeLk << ":"
+                    "((sizeof(" << valueType << ")>" << intsize << ")?"
+              << nodeNLk << ":" << nodeNSk << "))+(char*)" << h << ")");
+        }
+        d.endHash();
+        d.beginHash();
+        P(d, "name", "value");
+        P(d, "type", valueType);
+        if (isOptimizedIntKey) {
+            P(d, "exp", "*(" << valueType << "*)"
+                "(((sizeof(" << valueType << ")>" << intsize << ")?"
+              << nodeOLv << ":" << nodeOSv << ")+(char*)" << h << ")");
+        } else {
+            P(d, "exp", "*(" << valueType << "*)"
+              "(((sizeof(" << keyType << ")>" << intsize << ")?" << nodeLv << ":"
+                    "((sizeof(" << valueType << ")>" << intsize << ")?"
+              << nodeNLv << ":" << nodeNSv << "))+(char*)" << h << ")");
+        }
+        d.endHash();
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQHash(QDumper &d)
+{
+    QHashData *h = *reinterpret_cast<QHashData *const*>(d.data);
+    const char *keyType   = d.templateParameters[0];
+    const char *valueType = d.templateParameters[1];
+
+    qCheckPointer(h->fakeNext);
+    qCheckPointer(h->buckets);
+
+    int n = h->size;
+
+    if (n < 0)
+        qProvokeSegFault();
+    if (n > 0) {
+        qCheckPointer(h->fakeNext);
+        qCheckPointer(*h->buckets);
+    }
+    
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "<" << n << " items>");
+    P(d, "numchild", n);
+    if (d.dumpChildren) {
+        if (n > 100)
+            n = 100;
+        d << ",children=[";
+
+        QHashData::Node *node = h->firstNode();
+        QHashData::Node *end = reinterpret_cast<QHashData::Node *>(h);
+        int i = 0;
+
+        while (node != end) {
+            d.beginHash();
+                P(d, "name", "[" << i << "]");
+                P(d, "type", "QHashNode<" << keyType << "," << valueType << " >");
+                P(d, "exp", "*(QHashNode<" << keyType << "," << valueType << " >*)" << node);
+            d.endHash();
+
+            ++i;
+            node = QHashData::nextNode(node);
+        }
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void qDumpQMapNode(QDumper &d)
+{
+    const QMapData *h = reinterpret_cast<const QMapData *>(d.data);
+    const char *keyType   = d.templateParameters[0];
+    const char *valueType = d.templateParameters[1];
+ 
+    qCheckAccess(h->backward);
+    qCheckAccess(h->forward[0]);
+
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "");
+    P(d, "numchild", 2);
+    if (d.dumpChildren) {
+        unsigned long voidpsize = sizeof(void*);
+        d << ",children=[";
+        d.beginHash();
+        P(d, "name", "key");
+        P(d, "type", keyType);
+        P(d, "exp", "*(" << keyType << "*)"
+            << "("
+            << 2 * voidpsize
+            << "-sizeof('QMap<" << keyType << "," << valueType << ">::Node')"
+            << "+(char*)" << h
+            << ")");
+        d.endHash();
+        d.beginHash();
+        P(d, "name", "value");
+        P(d, "type", valueType);
+        P(d, "exp", "*(" << valueType << "*)"
+            << "("
+            << "(size_t)&(('QMap<" << keyType << "," << valueType << ">::Node'*)0)->value"
+            << "+" << 2 * voidpsize
+            << "-sizeof('QMap<" << keyType << "," << valueType << ">::Node')"
+            << "+(char*)" << h
+            << ")");
+        d.endHash();
+        d << "]";
+    }
+
+    d.disarm();
+}
+
+static void qDumpQMap(QDumper &d)
+{ 
+    QMapData *h = *reinterpret_cast<QMapData *const*>(d.data);
+    const char *keyType   = d.templateParameters[0];
+    const char *valueType = d.templateParameters[1];
+
+    int n = h->size;
+
+    if (n < 0)
+        qProvokeSegFault();
+    if (n > 0) {
+        qCheckAccess(h->backward);
+        qCheckAccess(h->forward[0]);
+        qCheckPointer(h->backward->backward);
+        qCheckPointer(h->forward[0]->backward);
+    }
+
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "<" << n << " items>");
+    P(d, "numchild", n);
+    if (d.dumpChildren) {
+        if (n > 100)
+            n = 100;
+        d << ",children=[";
+
+        QMapData::Node *node = reinterpret_cast<QMapData::Node *>(h->forward[0]);
+        QMapData::Node *end = reinterpret_cast<QMapData::Node *>(h);
+        int i = 0;
+
+        while (node != end) {
+            d.beginHash();
+                P(d, "name", "[" << i << "]");
+                P(d, "type", "QMap<" << keyType << "," << valueType << ">::Node");
+                P(d, "exp", "*('QMap<" << keyType << "," << valueType << ">::Node'*)" << node);
+            d.endHash();
+
+            ++i;
+            node = node->forward[0];
+        }
+        d << "]";
+    }
+
+    d.disarm();
+}
+
+static void qDumpQSet(QDumper &d)
+{
+    // This uses the knowledge that QHash<T> has only a single member
+    // of  union { QHashData *d; QHashNode<Key, T> *e; };
+    QHashData *hd = *(QHashData**)d.data;
+    QHashData::Node *node = hd->firstNode();
+
+    int n = hd->size;
+    if (n < 0)
+        qProvokeSegFault();
+    if (n > 0) {
+        qCheckAccess(node);
+        qCheckPointer(node->next);
+    }
+
+    P(d, "iname", d.iname);
+    P(d, "addr", d.data);
+    P(d, "value", "<" << n << " items>");
+    P(d, "valuedisabled", "true");
+    P(d, "numchild", 2 * n);
+    if (d.dumpChildren) {
+        if (n > 100)
+            n = 100;
+        d << ",children=[";
+        int i = 0;
+        for (int bucket = 0; bucket != hd->numBuckets; ++bucket) {
+            for (node = hd->buckets[bucket]; node->next; node = node->next) {
+                d.beginHash();
+                P(d, "name", "[" << i << "]");
+                P(d, "type", d.innertype);
+                P(d, "exp", "(('QHashNode<" << d.innertype
+                    << ",QHashDummyValue>'*)"
+                    << static_cast<const void*>(node) << ")->key"
+                );
+                d.endHash();
+                ++i;
+            }
+        }
+        d << "]";
+    }
+    d.disarm();
+}
+
+static void handleProtocolVersion2(QDumper & d)
+{
+    if (!d.outertype[0]) {
+        qDumpUnknown(d);
+        return;
+    }
+
+    d.setupTemplateParameters();
+    // d.outertype[0] is usally 'Q', so don't use it
+    switch (d.outertype[1]) {
+        case 'D':
+            if (qstrcmp(d.outertype, "QDateTime") == 0)
+                qDumpQDateTime(d);
+            else if (qstrcmp(d.outertype, "QDir") == 0)
+                qDumpQDir(d);
+            break;
+        case 'F':
+            if (qstrcmp(d.outertype, "QFileInfo") == 0)
+                qDumpQFileInfo(d);
+            break;
+        case 'H':
+            if (qstrcmp(d.outertype, "QHash") == 0)
+                qDumpQHash(d);
+            else if (qstrcmp(d.outertype, "QHashNode") == 0)
+                qDumpQHashNode(d);
+            break;
+        case 'L':
+            if (qstrcmp(d.outertype, "QList") == 0)
+                qDumpQList(d);
+            break;
+        case 'M':
+            if (qstrcmp(d.outertype, "QMap") == 0)
+                qDumpQMap(d);
+            else if (qstrcmp(d.outertype, "QMap::Node") == 0)
+                qDumpQMapNode(d);
+            break;
+        case 'O':
+            if (qstrcmp(d.outertype, "QObject") == 0)
+                qDumpQObject(d);
+            break;
+        case 'P':
+            if (qstrcmp(d.outertype, "QPropertyList") == 0)
+                qDumpQPropertyList(d);
+            break;
+        case 'S':
+            if (qstrcmp(d.outertype, "QSet") == 0)
+                qDumpQSet(d);
+            else if (qstrcmp(d.outertype, "QString") == 0)
+                qDumpQString(d);
+            else if (qstrcmp(d.outertype, "QStringList") == 0)
+                qDumpQStringList(d);
+            break;
+        case 'V':
+            if (qstrcmp(d.outertype, "QVariant") == 0)
+                qDumpQVariant(d);
+            else if (qstrcmp(d.outertype, "QVector") == 0)
+                qDumpQVector(d);
+            break;
+    }
+
+    if (!d.success)
+        qDumpUnknown(d);
+}
+
+} // anonymous namespace
+
+
+extern "C" Q_CORE_EXPORT void qDumpObjectData(
+    int protocolVersion,
+    int token,
+    const char *outertype,
+    const char *iname,
+    const char *exp,
+    const char *innertype,
+    const void *data,
+    bool dumpChildren)
+{
+    if (protocolVersion == 1) {
+        // used to test whether error output gets through
+        //fprintf(stderr, "using stderr, qDebug follows: %d\n", token);
+        //qDebug() << "using qDebug, stderr already used: " << token;
+    }
+
+    else if (protocolVersion == 2) {
+        QDumper d;
+        d.protocolVersion = protocolVersion;
+        d.token           = token;
+        d.outertype       = outertype ? outertype : "";
+        d.iname           = iname ? iname : "";
+        d.exp             = exp ? exp : "";
+        d.innertype       = innertype ? innertype : "";
+        d.data            = data ? data : "";
+        d.dumpChildren    = dumpChildren;
+        handleProtocolVersion2(d);
+    }
+
+    else {
+        qDebug() << "Unsupported protocol version" << protocolVersion;
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // !Q_OS_WINCE && !QT_NO_QDUMPER
diff --git a/src/corelib/tools/qharfbuzz.cpp b/src/corelib/tools/qharfbuzz.cpp
new file mode 100644
index 0000000000..1940209827
--- /dev/null
+++ b/src/corelib/tools/qharfbuzz.cpp
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qharfbuzz_p.h"
+
+#include "qunicodetables_p.h"
+#include "qlibrary.h"
+#include "qtextcodec.h"
+
+QT_USE_NAMESPACE
+
+extern "C" {
+
+HB_GraphemeClass HB_GetGraphemeClass(HB_UChar32 ch)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    return (HB_GraphemeClass) prop->graphemeBreak;
+}
+
+HB_WordClass HB_GetWordClass(HB_UChar32 ch)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    return (HB_WordClass) prop->wordBreak;
+}
+
+HB_SentenceClass HB_GetSentenceClass(HB_UChar32 ch)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    return (HB_SentenceClass) prop->sentenceBreak;
+}
+
+HB_LineBreakClass HB_GetLineBreakClass(HB_UChar32 ch)
+{
+    return (HB_LineBreakClass)QUnicodeTables::lineBreakClass(ch);
+}
+
+
+void HB_GetGraphemeAndLineBreakClass(HB_UChar32 ch, HB_GraphemeClass *grapheme, HB_LineBreakClass *lineBreak)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    *grapheme = (HB_GraphemeClass) prop->graphemeBreak;
+    *lineBreak = (HB_LineBreakClass) prop->line_break_class;
+}
+
+void HB_GetUnicodeCharProperties(HB_UChar32 ch, HB_CharCategory *category, int *combiningClass)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    *category = (HB_CharCategory)prop->category;
+    *combiningClass = prop->combiningClass;
+}
+
+HB_CharCategory HB_GetUnicodeCharCategory(HB_UChar32 ch)
+{
+    return (HB_CharCategory)QChar::category(ch);
+}
+
+int HB_GetUnicodeCharCombiningClass(HB_UChar32 ch)
+{
+    return QChar::combiningClass(ch);
+}
+
+HB_UChar16 HB_GetMirroredChar(HB_UChar16 ch)
+{
+    return QChar::mirroredChar(ch);
+}
+
+void *HB_Library_Resolve(const char *library, const char *symbol)
+{
+#ifdef QT_NO_LIBRARY
+    return 0;
+#else
+    return QLibrary::resolve(QLatin1String(library), symbol);
+#endif
+}
+
+void *HB_TextCodecForMib(int mib)
+{
+#ifndef QT_NO_TEXTCODEC
+    return QTextCodec::codecForMib(mib);
+#else
+    return 0;
+#endif
+}
+
+char *HB_TextCodec_ConvertFromUnicode(void *codec, const HB_UChar16 *unicode, hb_uint32 length, hb_uint32 *outputLength)
+{
+#ifndef QT_NO_TEXTCODEC
+    QByteArray data = reinterpret_cast<QTextCodec *>(codec)->fromUnicode((const QChar *)unicode, length);
+    // ### suboptimal
+    char *output = (char *)malloc(data.length() + 1);
+    memcpy(output, data.constData(), data.length() + 1);
+    if (outputLength)
+        *outputLength = data.length();
+    return output;
+#else
+    return 0;
+#endif
+}
+
+void HB_TextCodec_FreeResult(char *string)
+{
+    free(string);
+}
+
+} // extern "C"
+
+QT_BEGIN_NAMESPACE
+
+HB_Bool qShapeItem(HB_ShaperItem *item)
+{
+    return HB_ShapeItem(item);
+}
+
+HB_Face qHBNewFace(void *font, HB_GetFontTableFunc tableFunc)
+{
+    return HB_NewFace(font, tableFunc);
+}
+
+void qHBFreeFace(HB_Face face)
+{
+    HB_FreeFace(face);
+}
+
+void qGetCharAttributes(const HB_UChar16 *string, hb_uint32 stringLength,
+                        const HB_ScriptItem *items, hb_uint32 numItems,
+                        HB_CharAttributes *attributes)
+{
+    HB_GetCharAttributes(string, stringLength, items, numItems, attributes);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qharfbuzz_p.h b/src/corelib/tools/qharfbuzz_p.h
new file mode 100644
index 0000000000..eaaf0d7318
--- /dev/null
+++ b/src/corelib/tools/qharfbuzz_p.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QHARFBUZZ_P_H
+#define QHARFBUZZ_P_H
+
+#include <harfbuzz-shaper.h>
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+// temporary forward until all the textengine code has been moved to QtCore
+Q_CORE_EXPORT void qGetCharAttributes(const HB_UChar16 *string, hb_uint32 stringLength,
+                                      const HB_ScriptItem *items, hb_uint32 numItems,
+                                      HB_CharAttributes *attributes);
+
+Q_CORE_EXPORT HB_Bool qShapeItem(HB_ShaperItem *item);
+
+// ### temporary
+Q_CORE_EXPORT HB_Face qHBNewFace(void *font, HB_GetFontTableFunc tableFunc);
+Q_CORE_EXPORT void qHBFreeFace(HB_Face);
+
+Q_DECLARE_TYPEINFO(HB_GlyphAttributes, Q_PRIMITIVE_TYPE);
+Q_DECLARE_TYPEINFO(HB_FixedPoint, Q_PRIMITIVE_TYPE);
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/tools/qhash.cpp b/src/corelib/tools/qhash.cpp
new file mode 100644
index 0000000000..540f43da11
--- /dev/null
+++ b/src/corelib/tools/qhash.cpp
@@ -0,0 +1,1843 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qhash.h"
+
+#ifdef truncate
+#undef truncate
+#endif
+
+#include <qbitarray.h>
+#include <qstring.h>
+#include <stdlib.h>
+#ifdef QT_QHASH_DEBUG
+#include <qstring.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+/*
+    These functions are based on Peter J. Weinberger's hash function
+    (from the Dragon Book). The constant 24 in the original function
+    was replaced with 23 to produce fewer collisions on input such as
+    "a", "aa", "aaa", "aaaa", ...
+*/
+
+static uint hash(const uchar *p, int n)
+{
+    uint h = 0;
+    uint g;
+
+    while (n--) {
+        h = (h << 4) + *p++;
+        if ((g = (h & 0xf0000000)) != 0)
+            h ^= g >> 23;
+        h &= ~g;
+    }
+    return h;
+}
+
+static uint hash(const QChar *p, int n)
+{
+    uint h = 0;
+    uint g;
+
+    while (n--) {
+        h = (h << 4) + (*p++).unicode();
+        if ((g = (h & 0xf0000000)) != 0)
+            h ^= g >> 23;
+        h &= ~g;
+    }
+    return h;
+}
+
+uint qHash(const QByteArray &key)
+{
+    return hash(reinterpret_cast<const uchar *>(key.data()), key.size());
+}
+
+uint qHash(const QString &key)
+{
+    return hash(key.unicode(), key.size());
+}
+
+uint qHash(const QStringRef &key)
+{
+    return hash(key.unicode(), key.size());
+}
+
+uint qHash(const QBitArray &bitArray)
+{
+    int m = bitArray.d.size() - 1;
+    uint result = hash(reinterpret_cast<const uchar *>(bitArray.d.data()), qMax(0, m));
+
+    // deal with the last 0 to 7 bits manually, because we can't trust that
+    // the padding is initialized to 0 in bitArray.d
+    int n = bitArray.size();
+    if (n & 0x7)
+        result = ((result << 4) + bitArray.d.at(m)) & ((1 << n) - 1);
+    return result;
+}
+
+/*
+    The prime_deltas array is a table of selected prime values, even
+    though it doesn't look like one. The primes we are using are 1,
+    2, 5, 11, 17, 37, 67, 131, 257, ..., i.e. primes in the immediate
+    surrounding of a power of two.
+
+    The primeForNumBits() function returns the prime associated to a
+    power of two. For example, primeForNumBits(8) returns 257.
+*/
+
+static const uchar prime_deltas[] = {
+    0,  0,  1,  3,  1,  5,  3,  3,  1,  9,  7,  5,  3,  9, 25,  3,
+    1, 21,  3, 21,  7, 15,  9,  5,  3, 29, 15,  0,  0,  0,  0,  0
+};
+
+static inline int primeForNumBits(int numBits)
+{
+    return (1 << numBits) + prime_deltas[numBits];
+}
+
+/*
+    Returns the smallest integer n such that
+    primeForNumBits(n) >= hint.
+*/
+static int countBits(int hint)
+{
+    int numBits = 0;
+    int bits = hint;
+
+    while (bits > 1) {
+        bits >>= 1;
+        numBits++;
+    }
+
+    if (numBits >= (int)sizeof(prime_deltas)) {
+        numBits = sizeof(prime_deltas) - 1;
+    } else if (primeForNumBits(numBits) < hint) {
+        ++numBits;
+    }
+    return numBits;
+}
+
+/*
+    A QHash has initially around pow(2, MinNumBits) buckets. For
+    example, if MinNumBits is 4, it has 17 buckets.
+*/
+const int MinNumBits = 4;
+
+QHashData QHashData::shared_null = {
+    0, 0, Q_BASIC_ATOMIC_INITIALIZER(1), 0, 0, MinNumBits, 0, 0, true
+};
+
+void *QHashData::allocateNode()
+{
+    return qMalloc(nodeSize);
+}
+
+void QHashData::freeNode(void *node)
+{
+    qFree(node);
+}
+
+QHashData *QHashData::detach_helper(void (*node_duplicate)(Node *, void *), int nodeSize)
+{
+    union {
+        QHashData *d;
+        Node *e;
+    };
+    d = new QHashData;
+    d->fakeNext = 0;
+    d->buckets = 0;
+    d->ref = 1;
+    d->size = size;
+    d->nodeSize = nodeSize;
+    d->userNumBits = userNumBits;
+    d->numBits = numBits;
+    d->numBuckets = numBuckets;
+    d->sharable = true;
+
+    if (numBuckets) {
+        d->buckets = new Node *[numBuckets];
+        Node *this_e = reinterpret_cast<Node *>(this);
+        for (int i = 0; i < numBuckets; ++i) {
+            Node **nextNode = &d->buckets[i];
+            Node *oldNode = buckets[i];
+            while (oldNode != this_e) {
+                Node *dup = static_cast<Node *>(allocateNode());
+                node_duplicate(oldNode, dup);
+                dup->h = oldNode->h;
+                *nextNode = dup;
+                nextNode = &dup->next;
+                oldNode = oldNode->next;
+            }
+            *nextNode = e;
+        }
+    }
+    return d;
+}
+
+QHashData::Node *QHashData::nextNode(Node *node)
+{
+    union {
+        Node *next;
+        Node *e;
+        QHashData *d;
+    };
+    next = node->next;
+    Q_ASSERT_X(next, "QHash", "Iterating beyond end()");
+    if (next->next)
+        return next;
+
+    int start = (node->h % d->numBuckets) + 1;
+    Node **bucket = d->buckets + start;
+    int n = d->numBuckets - start;
+    while (n--) {
+        if (*bucket != e)
+            return *bucket;
+        ++bucket;
+    }
+    return e;
+}
+
+QHashData::Node *QHashData::previousNode(Node *node)
+{
+    union {
+        Node *e;
+        QHashData *d;
+    };
+
+    e = node;
+    while (e->next)
+        e = e->next;
+
+    int start;
+    if (node == e)
+        start = d->numBuckets - 1;
+    else
+        start = node->h % d->numBuckets;
+
+    Node *sentinel = node;
+    Node **bucket = d->buckets + start;
+    while (start >= 0) {
+        if (*bucket != sentinel) {
+            Node *prev = *bucket;
+            while (prev->next != sentinel)
+                prev = prev->next;
+            return prev;
+        }
+
+        sentinel = e;
+        --bucket;
+        --start;
+    }
+    Q_ASSERT_X(start >= 0, "QHash", "Iterating backward beyond begin()");
+    return e;
+}
+
+/*
+    If hint is negative, -hint gives the approximate number of
+    buckets that should be used for the hash table. If hint is
+    nonnegative, (1 << hint) gives the approximate number
+    of buckets that should be used.
+*/
+void QHashData::rehash(int hint)
+{
+    if (hint < 0) {
+        hint = countBits(-hint);
+        if (hint < MinNumBits)
+            hint = MinNumBits;
+        userNumBits = hint;
+        while (primeForNumBits(hint) < (size >> 1))
+            ++hint;
+    } else if (hint < MinNumBits) {
+        hint = MinNumBits;
+    }
+
+    if (numBits != hint) {
+        Node *e = reinterpret_cast<Node *>(this);
+        Node **oldBuckets = buckets;
+        int oldNumBuckets = numBuckets;
+
+        numBits = hint;
+        numBuckets = primeForNumBits(hint);
+        buckets = new Node *[numBuckets];
+        for (int i = 0; i < numBuckets; ++i)
+            buckets[i] = e;
+
+        for (int i = 0; i < oldNumBuckets; ++i) {
+            Node *firstNode = oldBuckets[i];
+            while (firstNode != e) {
+                uint h = firstNode->h;
+                Node *lastNode = firstNode;
+                while (lastNode->next != e && lastNode->next->h == h)
+                    lastNode = lastNode->next;
+
+                Node *afterLastNode = lastNode->next;
+                Node **beforeFirstNode = &buckets[h % numBuckets];
+                while (*beforeFirstNode != e)
+                    beforeFirstNode = &(*beforeFirstNode)->next;
+                lastNode->next = *beforeFirstNode;
+                *beforeFirstNode = firstNode;
+                firstNode = afterLastNode;
+            }
+        }
+        delete [] oldBuckets;
+    }
+}
+
+void QHashData::destroyAndFree()
+{
+    delete [] buckets;
+    delete this;
+}
+
+#ifdef QT_QHASH_DEBUG
+
+void QHashData::dump()
+{
+    qDebug("Hash data (ref = %d, size = %d, nodeSize = %d, userNumBits = %d, numBits = %d, numBuckets = %d)",
+            int(ref), size, nodeSize, userNumBits, numBits,
+            numBuckets);
+    qDebug("    %p (fakeNode = %p)", this, fakeNext);
+    for (int i = 0; i < numBuckets; ++i) {
+        QString line;
+        Node *n = buckets[i];
+        if (n != reinterpret_cast<Node *>(this)) {
+            line.sprintf("%d:", i);
+            while (n != reinterpret_cast<Node *>(this)) {
+                line += QString().sprintf(" -> [%p]", n);
+                if (!n) {
+                    line += " (CORRUPT)";
+                    break;
+                }
+                n = n->next;
+            }
+            qDebug(qPrintable(line));
+        }
+    }
+}
+
+void QHashData::checkSanity()
+{
+    if (fakeNext)
+        qFatal("Fake next isn't 0");
+
+    for (int i = 0; i < numBuckets; ++i) {
+        Node *n = buckets[i];
+        Node *p = n;
+        if (!n)
+            qFatal("%d: Bucket entry is 0", i);
+        if (n != reinterpret_cast<Node *>(this)) {
+            while (n != reinterpret_cast<Node *>(this)) {
+                if (!n->next)
+                    qFatal("%d: Next of %p is 0, should be %p", i, n, this);
+                n = n->next;
+            }
+        }
+    }
+}
+#endif
+
+/*!
+    \class QHash
+    \brief The QHash class is a template class that provides a hash-table-based dictionary.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QHash\<Key, T\> is one of Qt's generic \l{container classes}. It
+    stores (key, value) pairs and provides very fast lookup of the
+    value associated with a key.
+
+    QHash provides very similar functionality to QMap. The
+    differences are:
+
+    \list
+    \i QHash provides faster lookups than QMap. (See \l{Algorithmic
+       Complexity} for details.)
+    \i When iterating over a QMap, the items are always sorted by
+       key. With QHash, the items are arbitrarily ordered.
+    \i The key type of a QMap must provide operator<(). The key
+       type of a QHash must provide operator==() and a global
+       \l{qHash()}{qHash}(Key) function.
+    \endlist
+
+    Here's an example QHash with QString keys and \c int values:
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 0
+
+    To insert a (key, value) pair into the hash, you can use operator[]():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 1
+
+    This inserts the following three (key, value) pairs into the
+    QHash: ("one", 1), ("three", 3), and ("seven", 7). Another way to
+    insert items into the hash is to use insert():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 2
+
+    To look up a value, use operator[]() or value():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 3
+
+    If there is no item with the specified key in the hash, these
+    functions return a \l{default-constructed value}.
+
+    If you want to check whether the hash contains a particular key,
+    use contains():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 4
+
+    There is also a value() overload that uses its second argument as
+    a default value if there is no item with the specified key:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 5
+
+    In general, we recommend that you use contains() and value()
+    rather than operator[]() for looking up a key in a hash. The
+    reason is that operator[]() silently inserts an item into the
+    hash if no item exists with the same key (unless the hash is
+    const). For example, the following code snippet will create 1000
+    items in memory:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 6
+
+    To avoid this problem, replace \c hash[i] with \c hash.value(i)
+    in the code above.
+
+    If you want to navigate through all the (key, value) pairs stored
+    in a QHash, you can use an iterator. QHash provides both
+    \l{Java-style iterators} (QHashIterator and QMutableHashIterator)
+    and \l{STL-style iterators} (QHash::const_iterator and
+    QHash::iterator). Here's how to iterate over a QHash<QString,
+    int> using a Java-style iterator:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 7
+
+    Here's the same code, but using an STL-style iterator:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 8
+
+    QHash is unordered, so an iterator's sequence cannot be assumed
+    to be predictable. If ordering by key is required, use a QMap.
+
+    Normally, a QHash allows only one value per key. If you call
+    insert() with a key that already exists in the QHash, the
+    previous value is erased. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 9
+
+    However, you can store multiple values per key by using
+    insertMulti() instead of insert() (or using the convenience
+    subclass QMultiHash). If you want to retrieve all
+    the values for a single key, you can use values(const Key &key),
+    which returns a QList<T>:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 10
+
+    The items that share the same key are available from most
+    recently to least recently inserted. A more efficient approach is
+    to call find() to get the iterator for the first item with a key
+    and iterate from there:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 11
+
+    If you only need to extract the values from a hash (not the keys),
+    you can also use \l{foreach}:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 12
+
+    Items can be removed from the hash in several ways. One way is to
+    call remove(); this will remove any item with the given key.
+    Another way is to use QMutableHashIterator::remove(). In addition,
+    you can clear the entire hash using clear().
+
+    QHash's key and value data types must be \l{assignable data
+    types}. You cannot, for example, store a QWidget as a value;
+    instead, store a QWidget *. In addition, QHash's key type must
+    provide operator==(), and there must also be a global qHash()
+    function that returns a hash value for an argument of the key's
+    type.
+
+    Here's a list of the C++ and Qt types that can serve as keys in a
+    QHash: any integer type (char, unsigned long, etc.), any pointer
+    type, QChar, QString, and QByteArray. For all of these, the \c
+    <QHash> header defines a qHash() function that computes an
+    adequate hash value. If you want to use other types as the key,
+    make sure that you provide operator==() and a qHash()
+    implementation.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 13
+
+    The qHash() function computes a numeric value based on a key. It
+    can use any algorithm imaginable, as long as it always returns
+    the same value if given the same argument. In other words, if
+    \c{e1 == e2}, then \c{qHash(e1) == qHash(e2)} must hold as well.
+    However, to obtain good performance, the qHash() function should
+    attempt to return different hash values for different keys to the
+    largest extent possible.
+
+    In the example above, we've relied on Qt's global qHash(const
+    QString &) to give us a hash value for the employee's name, and
+    XOR'ed this with the day they were born to help produce unique
+    hashes for people with the same name.
+
+    Internally, QHash uses a hash table to perform lookups. Unlike Qt
+    3's \c QDict class, which needed to be initialized with a prime
+    number, QHash's hash table automatically grows and shrinks to
+    provide fast lookups without wasting too much memory. You can
+    still control the size of the hash table by calling reserve() if
+    you already know approximately how many items the QHash will
+    contain, but this isn't necessary to obtain good performance. You
+    can also call capacity() to retrieve the hash table's size.
+
+    \sa QHashIterator, QMutableHashIterator, QMap, QSet
+*/
+
+/*! \fn QHash::QHash()
+
+    Constructs an empty hash.
+
+    \sa clear()
+*/
+
+/*! \fn QHash::QHash(const QHash<Key, T> &other)
+
+    Constructs a copy of \a other.
+
+    This operation occurs in \l{constant time}, because QHash is
+    \l{implicitly shared}. This makes returning a QHash from a
+    function very fast. If a shared instance is modified, it will be
+    copied (copy-on-write), and this takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*! \fn QHash::~QHash()
+
+    Destroys the hash. References to the values in the hash and all
+    iterators of this hash become invalid.
+*/
+
+/*! \fn QHash<Key, T> &QHash::operator=(const QHash<Key, T> &other)
+
+    Assigns \a other to this hash and returns a reference to this hash.
+*/
+
+/*! \fn bool QHash::operator==(const QHash<Key, T> &other) const
+
+    Returns true if \a other is equal to this hash; otherwise returns
+    false.
+
+    Two hashes are considered equal if they contain the same (key,
+    value) pairs.
+
+    This function requires the value type to implement \c operator==().
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QHash::operator!=(const QHash<Key, T> &other) const
+
+    Returns true if \a other is not equal to this hash; otherwise
+    returns false.
+
+    Two hashes are considered equal if they contain the same (key,
+    value) pairs.
+
+    This function requires the value type to implement \c operator==().
+
+    \sa operator==()
+*/
+
+/*! \fn int QHash::size() const
+
+    Returns the number of items in the hash.
+
+    \sa isEmpty(), count()
+*/
+
+/*! \fn bool QHash::isEmpty() const
+
+    Returns true if the hash contains no items; otherwise returns
+    false.
+
+    \sa size()
+*/
+
+/*! \fn int QHash::capacity() const
+
+    Returns the number of buckets in the QHash's internal hash table.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QHash's memory usage. In general, you will rarely ever
+    need to call this function. If you want to know how many items are
+    in the hash, call size().
+
+    \sa reserve(), squeeze()
+*/
+
+/*! \fn void QHash::reserve(int size)
+
+    Ensures that the QHash's internal hash table consists of at least
+    \a size buckets.
+
+    This function is useful for code that needs to build a huge hash
+    and wants to avoid repeated reallocation. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 14
+
+    Ideally, \a size should be slightly more than the maximum number
+    of items expected in the hash. \a size doesn't have to be prime,
+    because QHash will use a prime number internally anyway. If \a size
+    is an underestimate, the worst that will happen is that the QHash
+    will be a bit slower.
+
+    In general, you will rarely ever need to call this function.
+    QHash's internal hash table automatically shrinks or grows to
+    provide good performance without wasting too much memory.
+
+    \sa squeeze(), capacity()
+*/
+
+/*! \fn void QHash::squeeze()
+
+    Reduces the size of the QHash's internal hash table to save
+    memory.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QHash's memory usage. In general, you will rarely ever
+    need to call this function.
+
+    \sa reserve(), capacity()
+*/
+
+/*! \fn void QHash::detach()
+
+    \internal
+
+    Detaches this hash from any other hashes with which it may share
+    data.
+
+    \sa isDetached()
+*/
+
+/*! \fn bool QHash::isDetached() const
+
+    \internal
+
+    Returns true if the hash's internal data isn't shared with any
+    other hash object; otherwise returns false.
+
+    \sa detach()
+*/
+
+/*! \fn void QHash::setSharable(bool sharable)
+
+    \internal
+*/
+
+/*! \fn void QHash::clear()
+
+    Removes all items from the hash.
+
+    \sa remove()
+*/
+
+/*! \fn int QHash::remove(const Key &key)
+
+    Removes all the items that have the \a key from the hash.
+    Returns the number of items removed which is usually 1 but will
+    be 0 if the key isn't in the hash, or greater than 1 if
+    insertMulti() has been used with the \a key.
+
+    \sa clear(), take(), QMultiHash::remove()
+*/
+
+/*! \fn T QHash::take(const Key &key)
+
+    Removes the item with the \a key from the hash and returns
+    the value associated with it.
+
+    If the item does not exist in the hash, the function simply
+    returns a \l{default-constructed value}. If there are multiple
+    items for \a key in the hash, only the most recently inserted one
+    is removed.
+
+    If you don't use the return value, remove() is more efficient.
+
+    \sa remove()
+*/
+
+/*! \fn bool QHash::contains(const Key &key) const
+
+    Returns true if the hash contains an item with the \a key;
+    otherwise returns false.
+
+    \sa count(), QMultiHash::contains()
+*/
+
+/*! \fn const T QHash::value(const Key &key) const
+
+    Returns the value associated with the \a key.
+
+    If the hash contains no item with the \a key, the function
+    returns a \l{default-constructed value}. If there are multiple
+    items for the \a key in the hash, the value of the most recently
+    inserted one is returned.
+
+    \sa key(), values(), contains(), operator[]()
+*/
+
+/*! \fn const T QHash::value(const Key &key, const T &defaultValue) const
+
+    \overload
+
+    If the hash contains no item with the given \a key, the function returns
+    \a defaultValue.
+*/
+
+/*! \fn T &QHash::operator[](const Key &key)
+
+    Returns the value associated with the \a key as a modifiable
+    reference.
+
+    If the hash contains no item with the \a key, the function inserts
+    a \l{default-constructed value} into the hash with the \a key, and
+    returns a reference to it. If the hash contains multiple items
+    with the \a key, this function returns a reference to the most
+    recently inserted value.
+
+    \sa insert(), value()
+*/
+
+/*! \fn const T QHash::operator[](const Key &key) const
+
+    \overload
+
+    Same as value().
+*/
+
+/*! \fn QList<Key> QHash::uniqueKeys() const
+    \since 4.2
+
+    Returns a list containing all the keys in the map. Keys that occur multiple
+    times in the map (because items were inserted with insertMulti(), or
+    unite() was used) occur only once in the returned list.
+
+    \sa keys(), values()
+*/
+
+/*! \fn QList<Key> QHash::keys() const
+
+    Returns a list containing all the keys in the hash, in an
+    arbitrary order. Keys that occur multiple times in the hash
+    (because items were inserted with insertMulti(), or unite() was
+    used) also occur multiple times in the list.
+
+    To obtain a list of unique keys, where each key from the map only
+    occurs once, use uniqueKeys().
+
+    The order is guaranteed to be the same as that used by values().
+
+    \sa uniqueKeys(), values(), key()
+*/
+
+/*! \fn QList<Key> QHash::keys(const T &value) const
+
+    \overload
+
+    Returns a list containing all the keys associated with value \a
+    value, in an arbitrary order.
+
+    This function can be slow (\l{linear time}), because QHash's
+    internal data structure is optimized for fast lookup by key, not
+    by value.
+*/
+
+/*! \fn QList<T> QHash::values() const
+
+    Returns a list containing all the values in the hash, in an
+    arbitrary order. If a key is associated multiple values, all of
+    its values will be in the list, and not just the most recently
+    inserted one.
+
+    The order is guaranteed to be the same as that used by keys().
+
+    \sa keys(), value()
+*/
+
+/*! \fn QList<T> QHash::values(const Key &key) const
+
+    \overload
+
+    Returns a list of all the values associated with the \a key,
+    from the most recently inserted to the least recently inserted.
+
+    \sa count(), insertMulti()
+*/
+
+/*! \fn Key QHash::key(const T &value) const
+
+    Returns the first key mapped to \a value.
+
+    If the hash contains no item with the \a value, the function
+    returns a \link {default-constructed value} default-constructed
+    key \endlink.
+
+    This function can be slow (\l{linear time}), because QHash's
+    internal data structure is optimized for fast lookup by key, not
+    by value.
+
+    \sa value(), keys()
+*/
+
+/*!
+    \fn Key QHash::key(const T &value, const Key &defaultKey) const
+    \since 4.3
+    \overload
+
+    Returns the first key mapped to \a value, or \a defaultKey if the
+    hash contains no item mapped to \a value.
+
+    This function can be slow (\l{linear time}), because QHash's
+    internal data structure is optimized for fast lookup by key, not
+    by value.
+*/
+
+/*! \fn int QHash::count(const Key &key) const
+
+    Returns the number of items associated with the \a key.
+
+    \sa contains(), insertMulti()
+*/
+
+/*! \fn int QHash::count() const
+
+    \overload
+
+    Same as size().
+*/
+
+/*! \fn QHash::iterator QHash::begin()
+
+    Returns an \l{STL-style iterator} pointing to the first item in
+    the hash.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QHash::const_iterator QHash::begin() const
+
+    \overload
+*/
+
+/*! \fn QHash::const_iterator QHash::constBegin() const
+
+    Returns a const \l{STL-style iterator} pointing to the first item
+    in the hash.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QHash::iterator QHash::end()
+
+    Returns an \l{STL-style iterator} pointing to the imaginary item
+    after the last item in the hash.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QHash::const_iterator QHash::end() const
+
+    \overload
+*/
+
+/*! \fn QHash::const_iterator QHash::constEnd() const
+
+    Returns a const \l{STL-style iterator} pointing to the imaginary
+    item after the last item in the hash.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QHash::iterator QHash::erase(iterator pos)
+
+    Removes the (key, value) pair associated with the iterator \a pos
+    from the hash, and returns an iterator to the next item in the
+    hash.
+
+    Unlike remove() and take(), this function never causes QHash to
+    rehash its internal data structure. This means that it can safely
+    be called while iterating, and won't affect the order of items in
+    the hash. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 15
+
+    \sa remove(), take(), find()
+*/
+
+/*! \fn QHash::iterator QHash::find(const Key &key)
+
+    Returns an iterator pointing to the item with the \a key in the
+    hash.
+
+    If the hash contains no item with the \a key, the function
+    returns end().
+
+    If the hash contains multiple items with the \a key, this
+    function returns an iterator that points to the most recently
+    inserted value. The other values are accessible by incrementing
+    the iterator. For example, here's some code that iterates over all
+    the items with the same key:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 16
+
+    \sa value(), values(), QMultiHash::find()
+*/
+
+/*! \fn QHash::const_iterator QHash::find(const Key &key) const
+
+    \overload
+*/
+
+/*! \fn QHash::iterator QHash::constFind(const Key &key) const
+    \since 4.1
+
+    Returns an iterator pointing to the item with the \a key in the
+    hash.
+
+    If the hash contains no item with the \a key, the function
+    returns constEnd().
+
+    \sa find(), QMultiHash::constFind()
+*/
+
+/*! \fn QHash::iterator QHash::insert(const Key &key, const T &value)
+
+    Inserts a new item with the \a key and a value of \a value.
+
+    If there is already an item with the \a key, that item's value
+    is replaced with \a value.
+
+    If there are multiple items with the \a key, the most
+    recently inserted item's value is replaced with \a value.
+
+    \sa insertMulti()
+*/
+
+/*! \fn QHash::iterator QHash::insertMulti(const Key &key, const T &value)
+
+    Inserts a new item with the \a key and a value of \a value.
+
+    If there is already an item with the same key in the hash, this
+    function will simply create a new one. (This behavior is
+    different from insert(), which overwrites the value of an
+    existing item.)
+
+    \sa insert(), values()
+*/
+
+/*! \fn QHash<Key, T> &QHash::unite(const QHash<Key, T> &other)
+
+    Inserts all the items in the \a other hash into this hash. If a
+    key is common to both hashes, the resulting hash will contain the
+    key multiple times.
+
+    \sa insertMulti()
+*/
+
+/*! \fn bool QHash::empty() const
+
+    This function is provided for STL compatibility. It is equivalent
+    to isEmpty(), returning true if the hash is empty; otherwise
+    returns false.
+*/
+
+/*! \typedef QHash::ConstIterator
+
+    Qt-style synonym for QHash::const_iterator.
+*/
+
+/*! \typedef QHash::Iterator
+
+    Qt-style synonym for QHash::iterator.
+*/
+
+/*! \typedef QHash::difference_type
+
+    Typedef for ptrdiff_t. Provided for STL compatibility.
+*/
+
+/*! \typedef QHash::key_type
+
+    Typedef for Key. Provided for STL compatibility.
+*/
+
+/*! \typedef QHash::mapped_type
+
+    Typedef for T. Provided for STL compatibility.
+*/
+
+/*! \typedef QHash::size_type
+
+    Typedef for int. Provided for STL compatibility.
+*/
+
+/*! \typedef QHash::iterator::difference_type
+    \internal
+*/
+
+/*! \typedef QHash::iterator::iterator_category
+    \internal
+*/
+
+/*! \typedef QHash::iterator::pointer
+    \internal
+*/
+
+/*! \typedef QHash::iterator::reference
+    \internal
+*/
+
+/*! \typedef QHash::iterator::value_type
+    \internal
+*/
+
+/*! \typedef QHash::const_iterator::difference_type
+    \internal
+*/
+
+/*! \typedef QHash::const_iterator::iterator_category
+    \internal
+*/
+
+/*! \typedef QHash::const_iterator::pointer
+    \internal
+*/
+
+/*! \typedef QHash::const_iterator::reference
+    \internal
+*/
+
+/*! \typedef QHash::const_iterator::value_type
+    \internal
+*/
+
+/*! \class QHash::iterator
+    \brief The QHash::iterator class provides an STL-style non-const iterator for QHash and QMultiHash.
+
+    QHash features both \l{STL-style iterators} and \l{Java-style
+    iterators}. The STL-style iterators are more low-level and more
+    cumbersome to use; on the other hand, they are slightly faster
+    and, for developers who already know STL, have the advantage of
+    familiarity.
+
+    QHash\<Key, T\>::iterator allows you to iterate over a QHash (or
+    QMultiHash) and to modify the value (but not the key) associated
+    with a particular key. If you want to iterate over a const QHash,
+    you should use QHash::const_iterator. It is generally good
+    practice to use QHash::const_iterator on a non-const QHash as
+    well, unless you need to change the QHash through the iterator.
+    Const iterators are slightly faster, and can improve code
+    readability.
+
+    The default QHash::iterator constructor creates an uninitialized
+    iterator. You must initialize it using a QHash function like
+    QHash::begin(), QHash::end(), or QHash::find() before you can
+    start iterating. Here's a typical loop that prints all the (key,
+    value) pairs stored in a hash:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 17
+
+    Unlike QMap, which orders its items by key, QHash stores its
+    items in an arbitrary order. The only guarantee is that items that
+    share the same key (because they were inserted using
+    QHash::insertMulti()) will appear consecutively, from the most
+    recently to the least recently inserted value.
+
+    Let's see a few examples of things we can do with a
+    QHash::iterator that we cannot do with a QHash::const_iterator.
+    Here's an example that increments every value stored in the QHash
+    by 2:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 18
+
+    Here's an example that removes all the items whose key is a
+    string that starts with an underscore character:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 19
+
+    The call to QHash::erase() removes the item pointed to by the
+    iterator from the hash, and returns an iterator to the next item.
+    Here's another way of removing an item while iterating:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 20
+
+    It might be tempting to write code like this:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 21
+
+    However, this will potentially crash in \c{++i}, because \c i is
+    a dangling iterator after the call to erase().
+
+    Multiple iterators can be used on the same hash. However, be
+    aware that any modification performed directly on the QHash has
+    the potential of dramatically changing the order in which the
+    items are stored in the hash, as they might cause QHash to rehash
+    its internal data structure. There is one notable exception:
+    QHash::erase(). This function can safely be called while
+    iterating, and won't affect the order of items in the hash. If you
+    need to keep iterators over a long period of time, we recommend
+    that you use QMap rather than QHash.
+
+    \sa QHash::const_iterator, QMutableHashIterator
+*/
+
+/*! \fn QHash::iterator::operator Node *() const
+
+    \internal
+*/
+
+/*! \fn QHash::iterator::iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like key(), value(), and operator++() must not be
+    called on an uninitialized iterator. Use operator=() to assign a
+    value to it before using it.
+
+    \sa QHash::begin() QHash::end()
+*/
+
+/*! \fn QHash::iterator::iterator(void *node)
+
+    \internal
+*/
+
+/*! \fn const Key &QHash::iterator::key() const
+
+    Returns the current item's key as a const reference.
+
+    There is no direct way of changing an item's key through an
+    iterator, although it can be done by calling QHash::erase()
+    followed by QHash::insert() or QHash::insertMulti().
+
+    \sa value()
+*/
+
+/*! \fn T &QHash::iterator::value() const
+
+    Returns a modifiable reference to the current item's value.
+
+    You can change the value of an item by using value() on
+    the left side of an assignment, for example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 22
+
+    \sa key(), operator*()
+*/
+
+/*! \fn T &QHash::iterator::operator*() const
+
+    Returns a modifiable reference to the current item's value.
+
+    Same as value().
+
+    \sa key()
+*/
+
+/*! \fn T *QHash::iterator::operator->() const
+
+    Returns a pointer to the current item's value.
+
+    \sa value()
+*/
+
+/*!
+    \fn bool QHash::iterator::operator==(const iterator &other) const
+    \fn bool QHash::iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same item as this
+    iterator; otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*!
+    \fn bool QHash::iterator::operator!=(const iterator &other) const
+    \fn bool QHash::iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different item than this
+    iterator; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*!
+    \fn QHash::iterator &QHash::iterator::operator++()
+
+    The prefix ++ operator (\c{++i}) advances the iterator to the
+    next item in the hash and returns an iterator to the new current
+    item.
+
+    Calling this function on QHash::end() leads to undefined results.
+
+    \sa operator--()
+*/
+
+/*! \fn QHash::iterator QHash::iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{i++}) advances the iterator to the
+    next item in the hash and returns an iterator to the previously
+    current item.
+*/
+
+/*!
+    \fn QHash::iterator &QHash::iterator::operator--()
+
+    The prefix -- operator (\c{--i}) makes the preceding item
+    current and returns an iterator pointing to the new current item.
+
+    Calling this function on QHash::begin() leads to undefined
+    results.
+
+    \sa operator++()
+*/
+
+/*!
+    \fn QHash::iterator QHash::iterator::operator--(int)
+
+    \overload
+
+    The postfix -- operator (\c{i--}) makes the preceding item
+    current and returns an iterator pointing to the previously
+    current item.
+*/
+
+/*! \fn QHash::iterator QHash::iterator::operator+(int j) const
+
+    Returns an iterator to the item at \a j positions forward from
+    this iterator. (If \a j is negative, the iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-()
+
+*/
+
+/*! \fn QHash::iterator QHash::iterator::operator-(int j) const
+
+    Returns an iterator to the item at \a j positions backward from
+    this iterator. (If \a j is negative, the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+()
+*/
+
+/*! \fn QHash::iterator &QHash::iterator::operator+=(int j)
+
+    Advances the iterator by \a j items. (If \a j is negative, the
+    iterator goes backward.)
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QHash::iterator &QHash::iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j items. (If \a j is negative,
+    the iterator goes forward.)
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \class QHash::const_iterator
+    \brief The QHash::const_iterator class provides an STL-style const iterator for QHash and QMultiHash.
+
+    QHash features both \l{STL-style iterators} and \l{Java-style
+    iterators}. The STL-style iterators are more low-level and more
+    cumbersome to use; on the other hand, they are slightly faster
+    and, for developers who already know STL, have the advantage of
+    familiarity.
+
+    QHash\<Key, T\>::const_iterator allows you to iterate over a
+    QHash (or a QMultiHash). If you want to modify the QHash as you
+    iterate over it, you must use QHash::iterator instead. It is
+    generally good practice to use QHash::const_iterator on a
+    non-const QHash as well, unless you need to change the QHash
+    through the iterator. Const iterators are slightly faster, and
+    can improve code readability.
+
+    The default QHash::const_iterator constructor creates an
+    uninitialized iterator. You must initialize it using a QHash
+    function like QHash::constBegin(), QHash::constEnd(), or
+    QHash::find() before you can start iterating. Here's a typical
+    loop that prints all the (key, value) pairs stored in a hash:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 23
+
+    Unlike QMap, which orders its items by key, QHash stores its
+    items in an arbitrary order. The only guarantee is that items that
+    share the same key (because they were inserted using
+    QHash::insertMulti()) will appear consecutively, from the most
+    recently to the least recently inserted value.
+
+    Multiple iterators can be used on the same hash. However, be aware
+    that any modification performed directly on the QHash has the
+    potential of dramatically changing the order in which the items
+    are stored in the hash, as they might cause QHash to rehash its
+    internal data structure. If you need to keep iterators over a long
+    period of time, we recommend that you use QMap rather than QHash.
+
+    \sa QHash::iterator, QHashIterator
+*/
+
+/*! \fn QHash::const_iterator::operator Node *() const
+
+    \internal
+*/
+
+/*! \fn QHash::const_iterator::const_iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like key(), value(), and operator++() must not be
+    called on an uninitialized iterator. Use operator=() to assign a
+    value to it before using it.
+
+    \sa QHash::constBegin() QHash::constEnd()
+*/
+
+/*! \fn QHash::const_iterator::const_iterator(void *node)
+
+    \internal
+*/
+
+/*! \fn QHash::const_iterator::const_iterator(const iterator &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn const Key &QHash::const_iterator::key() const
+
+    Returns the current item's key.
+
+    \sa value()
+*/
+
+/*! \fn const T &QHash::const_iterator::value() const
+
+    Returns the current item's value.
+
+    \sa key(), operator*()
+*/
+
+/*! \fn const T &QHash::const_iterator::operator*() const
+
+    Returns the current item's value.
+
+    Same as value().
+
+    \sa key()
+*/
+
+/*! \fn const T *QHash::const_iterator::operator->() const
+
+    Returns a pointer to the current item's value.
+
+    \sa value()
+*/
+
+/*! \fn bool QHash::const_iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same item as this
+    iterator; otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QHash::const_iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different item than this
+    iterator; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*!
+    \fn QHash::const_iterator &QHash::const_iterator::operator++()
+
+    The prefix ++ operator (\c{++i}) advances the iterator to the
+    next item in the hash and returns an iterator to the new current
+    item.
+
+    Calling this function on QHash::end() leads to undefined results.
+
+    \sa operator--()
+*/
+
+/*! \fn QHash::const_iterator QHash::const_iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{i++}) advances the iterator to the
+    next item in the hash and returns an iterator to the previously
+    current item.
+*/
+
+/*! \fn QHash::const_iterator &QHash::const_iterator::operator--()
+
+    The prefix -- operator (\c{--i}) makes the preceding item
+    current and returns an iterator pointing to the new current item.
+
+    Calling this function on QHash::begin() leads to undefined
+    results.
+
+    \sa operator++()
+*/
+
+/*! \fn QHash::const_iterator QHash::const_iterator::operator--(int)
+
+    \overload
+
+    The postfix -- operator (\c{i--}) makes the preceding item
+    current and returns an iterator pointing to the previously
+    current item.
+*/
+
+/*! \fn QHash::const_iterator QHash::const_iterator::operator+(int j) const
+
+    Returns an iterator to the item at \a j positions forward from
+    this iterator. (If \a j is negative, the iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-()
+*/
+
+/*! \fn QHash::const_iterator QHash::const_iterator::operator-(int j) const
+
+    Returns an iterator to the item at \a j positions backward from
+    this iterator. (If \a j is negative, the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+()
+*/
+
+/*! \fn QHash::const_iterator &QHash::const_iterator::operator+=(int j)
+
+    Advances the iterator by \a j items. (If \a j is negative, the
+    iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QHash::const_iterator &QHash::const_iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j items. (If \a j is negative,
+    the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \fn uint qHash(char key)
+    \relates QHash
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(uchar key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(signed char key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(ushort key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(short key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(uint key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(int key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(ulong key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(long key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(quint64 key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(qint64 key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(QChar key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(const QByteArray &key)
+    \fn uint qHash(const QBitArray &key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(const QString &key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*! \fn uint qHash(const T *key)
+    \relates QHash
+    \overload
+
+    Returns the hash value for the \a key.
+*/
+
+/*!
+    \fn uint qHash(const QPair<T1, T2> &key)
+    \relates QHash
+    \since 4.3
+
+    Returns the hash value for the \a key.
+
+    Types \c T1 and \c T2 must be supported by qHash().
+*/
+
+/*! \fn QDataStream &operator<<(QDataStream &out, const QHash<Key, T>& hash)
+    \relates QHash
+
+    Writes the hash \a hash to stream \a out.
+
+    This function requires the key and value types to implement \c
+    operator<<().
+
+    \sa {Format of the QDataStream operators}
+*/
+
+/*! \fn QDataStream &operator>>(QDataStream &in, QHash<Key, T> &hash)
+    \relates QHash
+
+    Reads a hash from stream \a in into \a hash.
+
+    This function requires the key and value types to implement \c
+    operator>>().
+
+    \sa {Format of the QDataStream operators}
+*/
+
+/*! \class QMultiHash
+    \brief The QMultiHash class is a convenience QHash subclass that provides multi-valued hashes.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QMultiHash\<Key, T\> is one of Qt's generic \l{container classes}.
+    It inherits QHash and extends it with a few convenience functions
+    that make it more suitable than QHash for storing multi-valued
+    hashes. A multi-valued hash is a hash that allows multiple values
+    with the same key; QHash normally doesn't allow that, unless you
+    call QHash::insertMulti().
+
+    Because QMultiHash inherits QHash, all of QHash's functionality also
+    applies to QMultiHash. For example, you can use isEmpty() to test
+    whether the hash is empty, and you can traverse a QMultiHash using
+    QHash's iterator classes (for example, QHashIterator). But in
+    addition, it provides an insert() function that corresponds to
+    QHash::insertMulti(), and a replace() function that corresponds to
+    QHash::insert(). It also provides convenient operator+() and
+    operator+=().
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 24
+
+    Unlike QHash, QMultiHash provides no operator[]. Use value() or
+    replace() if you want to access the most recently inserted item
+    with a certain key.
+
+    If you want to retrieve all the values for a single key, you can
+    use values(const Key &key), which returns a QList<T>:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 25
+
+    The items that share the same key are available from most
+    recently to least recently inserted.
+
+    A more efficient approach is to call find() to get
+    the STL-style iterator for the first item with a key and iterate from
+    there:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qhash.cpp 26
+
+    QMultiHash's key and value data types must be \l{assignable data
+    types}. You cannot, for example, store a QWidget as a value;
+    instead, store a QWidget *. In addition, QMultiHash's key type
+    must provide operator==(), and there must also be a global
+    qHash() function that returns a hash value for an argument of the
+    key's type. See the QHash documentation for details.
+
+    \sa QHash, QHashIterator, QMutableHashIterator, QMultiMap
+*/
+
+/*! \fn QMultiHash::QMultiHash()
+
+    Constructs an empty hash.
+*/
+
+/*! \fn QMultiHash::QMultiHash(const QHash<Key, T> &other)
+
+    Constructs a copy of \a other (which can be a QHash or a
+    QMultiHash).
+
+    \sa operator=()
+*/
+
+/*! \fn QMultiHash::iterator QMultiHash::replace(const Key &key, const T &value)
+
+    Inserts a new item with the \a key and a value of \a value.
+
+    If there is already an item with the \a key, that item's value
+    is replaced with \a value.
+
+    If there are multiple items with the \a key, the most
+    recently inserted item's value is replaced with \a value.
+
+    \sa insert()
+*/
+
+/*! \fn QMultiHash::iterator QMultiHash::insert(const Key &key, const T &value)
+
+    Inserts a new item with the \a key and a value of \a value.
+
+    If there is already an item with the same key in the hash, this
+    function will simply create a new one. (This behavior is
+    different from replace(), which overwrites the value of an
+    existing item.)
+
+    \sa replace()
+*/
+
+/*! \fn QMultiHash &QMultiHash::operator+=(const QMultiHash &other)
+
+    Inserts all the items in the \a other hash into this hash
+    and returns a reference to this hash.
+
+    \sa insert()
+*/
+
+/*! \fn QMultiHash QMultiHash::operator+(const QMultiHash &other) const
+
+    Returns a hash that contains all the items in this hash in
+    addition to all the items in \a other. If a key is common to both
+    hashes, the resulting hash will contain the key multiple times.
+
+    \sa operator+=()
+*/
+
+/*!
+    \fn bool QMultiHash::contains(const Key &key, const T &value) const
+    \since 4.3
+
+    Returns true if the hash contains an item with the \a key and
+    \a value; otherwise returns false.
+
+    \sa QHash::contains()
+*/
+
+/*!
+    \fn bool QMultiHash::contains(const Key &key) const
+    \overload
+    \sa QHash::contains()
+*/
+
+/*!
+    \fn int QMultiHash::remove(const Key &key, const T &value)
+    \since 4.3
+
+    Removes all the items that have the \a key and the value \a
+    value from the hash. Returns the number of items removed.
+
+    \sa QHash::remove()
+*/
+
+/*!
+    \fn int QMultiHash::remove(const Key &key)
+    \overload
+    \sa QHash::remove()
+*/
+
+/*!
+    \fn int QMultiHash::count(const Key &key, const T &value) const
+    \since 4.3
+
+    Returns the number of items with the \a key and \a value.
+
+    \sa QHash::count()
+*/
+
+/*!
+    \fn int QMultiHash::count(const Key &key) const
+    \overload
+    \sa QHash::count()
+*/
+
+/*!
+    \fn int QMultiHash::count() const
+    \overload
+    \sa QHash::count()
+*/
+
+/*!
+    \fn typename QHash<Key, T>::iterator QMultiHash::find(const Key &key, const T &value)
+    \since 4.3
+
+    Returns an iterator pointing to the item with the \a key and \a value.
+    If the hash contains no such item, the function returns end().
+
+    If the hash contains multiple items with the \a key and \a value, the
+    iterator returned points to the most recently inserted item.
+
+    \sa QHash::find()
+*/
+
+/*!
+    \fn typename QHash<Key, T>::iterator QMultiHash::find(const Key &key)
+    \overload
+    \sa QHash::find()
+*/
+
+/*!
+    \fn typename QHash<Key, T>::const_iterator QMultiHash::find(const Key &key, const T &value) const
+    \since 4.3
+    \overload
+*/
+
+/*!
+    \fn typename QHash<Key, T>::const_iterator QMultiHash::find(const Key &key) const
+    \overload
+    \sa QHash::find()
+*/
+
+/*!
+    \fn typename QHash<Key, T>::const_iterator QMultiHash::constFind(const Key &key, const T &value) const
+    \since 4.3
+
+    Returns an iterator pointing to the item with the \a key and the
+    \a value in the hash.
+
+    If the hash contains no such item, the function returns
+    constEnd().
+
+    \sa QHash::constFind()
+*/
+
+/*!
+    \fn typename QHash<Key, T>::const_iterator QMultiHash::constFind(const Key &key) const
+    \overload
+    \sa QHash::constFind()
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h
new file mode 100644
index 0000000000..a18b531dd9
--- /dev/null
+++ b/src/corelib/tools/qhash.h
@@ -0,0 +1,1017 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QHASH_H
+#define QHASH_H
+
+#include <QtCore/qatomic.h>
+#include <QtCore/qchar.h>
+#include <QtCore/qiterator.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qpair.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#undef QT_QHASH_DEBUG
+QT_MODULE(Core)
+
+class QBitArray;
+class QByteArray;
+class QString;
+class QStringRef;
+
+inline uint qHash(char key) { return uint(key); }
+inline uint qHash(uchar key) { return uint(key); }
+inline uint qHash(signed char key) { return uint(key); }
+inline uint qHash(ushort key) { return uint(key); }
+inline uint qHash(short key) { return uint(key); }
+inline uint qHash(uint key) { return key; }
+inline uint qHash(int key) { return uint(key); }
+inline uint qHash(ulong key)
+{
+    if (sizeof(ulong) > sizeof(uint)) {
+        return uint((key >> (8 * sizeof(uint) - 1)) ^ key);
+    } else {
+        return uint(key);
+    }
+}
+inline uint qHash(long key) { return qHash(ulong(key)); }
+inline uint qHash(quint64 key)
+{
+    if (sizeof(quint64) > sizeof(uint)) {
+        return uint((key >> (8 * sizeof(uint) - 1)) ^ key);
+    } else {
+        return uint(key);
+    }
+}
+inline uint qHash(qint64 key) { return qHash(quint64(key)); }
+inline uint qHash(QChar key) { return qHash(key.unicode()); }
+Q_CORE_EXPORT uint qHash(const QByteArray &key);
+Q_CORE_EXPORT uint qHash(const QString &key);
+Q_CORE_EXPORT uint qHash(const QStringRef &key);
+Q_CORE_EXPORT uint qHash(const QBitArray &key);
+
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4311 ) // disable pointer truncation warning
+#endif
+template <class T> inline uint qHash(const T *key)
+{
+    if (sizeof(const T *) > sizeof(uint))
+        return qHash(reinterpret_cast<quint64>(key));
+    else
+        return uint(reinterpret_cast<ulong>(key));
+}
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+
+template <typename T1, typename T2> inline uint qHash(const QPair<T1, T2> &key)
+{
+    uint h1 = qHash(key.first);
+    uint h2 = qHash(key.second);
+    return ((h1 << 16) | (h1 >> 16)) ^ h2;
+}
+
+struct Q_CORE_EXPORT QHashData
+{
+    struct Node {
+        Node *next;
+        uint h;
+    };
+
+    Node *fakeNext;
+    Node **buckets;
+    QBasicAtomicInt ref;
+    int size;
+    int nodeSize;
+    short userNumBits;
+    short numBits;
+    int numBuckets;
+    uint sharable : 1;
+
+    void *allocateNode();
+    void freeNode(void *node);
+    QHashData *detach_helper(void (*node_duplicate)(Node *, void *), int nodeSize);
+    void mightGrow();
+    bool willGrow();
+    void hasShrunk();
+    void rehash(int hint);
+    void destroyAndFree();
+    Node *firstNode();
+#ifdef QT_QHASH_DEBUG
+    void dump();
+    void checkSanity();
+#endif
+    static Node *nextNode(Node *node);
+    static Node *previousNode(Node *node);
+
+    static QHashData shared_null;
+};
+
+inline void QHashData::mightGrow() // ### Qt 5: eliminate
+{ 
+    if (size >= numBuckets)
+        rehash(numBits + 1);
+}  
+
+inline bool QHashData::willGrow()
+{
+    if (size >= numBuckets) {
+        rehash(numBits + 1);
+        return true;
+    } else {
+        return false;
+    }
+}
+
+inline void QHashData::hasShrunk()
+{
+    if (size <= (numBuckets >> 3) && numBits > userNumBits)
+        rehash(qMax(int(numBits) - 2, int(userNumBits)));
+}
+
+inline QHashData::Node *QHashData::firstNode()
+{
+    Node *e = reinterpret_cast<Node *>(this);
+    Node **bucket = buckets;
+    int n = numBuckets;
+    while (n--) {
+        if (*bucket != e)
+            return *bucket;
+        ++bucket;
+    }
+    return e;
+}
+
+struct QHashDummyValue
+{
+};
+
+inline bool operator==(const QHashDummyValue & /* v1 */, const QHashDummyValue & /* v2 */)
+{
+    return true;
+}
+
+Q_DECLARE_TYPEINFO(QHashDummyValue, Q_MOVABLE_TYPE | Q_DUMMY_TYPE);
+
+template <class Key, class T>
+struct QHashDummyNode
+{
+    QHashDummyNode *next;
+    uint h;
+    Key key;
+
+    inline QHashDummyNode(const Key &key0) : key(key0) {}
+};
+
+template <class Key, class T>
+struct QHashNode
+{
+    QHashNode *next;
+    uint h;
+    Key key;
+    T value;
+
+    inline QHashNode(const Key &key0) : key(key0) {} // ### remove in 5.0
+    inline QHashNode(const Key &key0, const T &value0) : key(key0), value(value0) {}
+    inline bool same_key(uint h0, const Key &key0) { return h0 == h && key0 == key; }
+};
+
+#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+#define Q_HASH_DECLARE_INT_NODES(key_type) \
+    template <class T> \
+    struct QHashDummyNode<key_type, T> { \
+        QHashDummyNode *next; \
+        union { uint h; key_type key; }; \
+\
+        inline QHashDummyNode(key_type /* key0 */) {} \
+    }; \
+\
+    template <class T> \
+    struct QHashNode<key_type, T> { \
+        QHashNode *next; \
+        union { uint h; key_type key; }; \
+        T value; \
+\
+        inline QHashNode(key_type /* key0 */) {} \
+        inline QHashNode(key_type /* key0 */, const T &value0) : value(value0) {} \
+        inline bool same_key(uint h0, key_type) { return h0 == h; } \
+    }
+
+#if defined(Q_BYTE_ORDER) && Q_BYTE_ORDER == Q_LITTLE_ENDIAN
+Q_HASH_DECLARE_INT_NODES(short);
+Q_HASH_DECLARE_INT_NODES(ushort);
+#endif
+Q_HASH_DECLARE_INT_NODES(int);
+Q_HASH_DECLARE_INT_NODES(uint);
+#undef Q_HASH_DECLARE_INT_NODES
+#endif // QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+
+template <class Key, class T>
+class QHash
+{
+    typedef QHashDummyNode<Key, T> DummyNode;
+    typedef QHashNode<Key, T> Node;
+
+    union {
+        QHashData *d;
+        QHashNode<Key, T> *e;
+    };
+
+    static inline Node *concrete(QHashData::Node *node) {
+        return reinterpret_cast<Node *>(node);
+    }
+
+public:
+    inline QHash() : d(&QHashData::shared_null) { d->ref.ref(); }
+    inline QHash(const QHash<Key, T> &other) : d(other.d) { d->ref.ref(); if (!d->sharable) detach(); }
+    inline ~QHash() { if (!d->ref.deref()) freeData(d); }
+
+    QHash<Key, T> &operator=(const QHash<Key, T> &other);
+
+    bool operator==(const QHash<Key, T> &other) const;
+    inline bool operator!=(const QHash<Key, T> &other) const { return !(*this == other); }
+
+    inline int size() const { return d->size; }
+
+    inline bool isEmpty() const { return d->size == 0; }
+
+    inline int capacity() const { return d->numBuckets; }
+    void reserve(int size);
+    inline void squeeze() { reserve(1); }
+
+    inline void detach() { if (d->ref != 1) detach_helper(); }
+    inline bool isDetached() const { return d->ref == 1; }
+    inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
+
+    void clear();
+
+    int remove(const Key &key);
+    T take(const Key &key);
+
+    bool contains(const Key &key) const;
+    const Key key(const T &value) const;
+    const Key key(const T &value, const Key &defaultKey) const;
+    const T value(const Key &key) const;
+    const T value(const Key &key, const T &defaultValue) const;
+    T &operator[](const Key &key);
+    const T operator[](const Key &key) const;
+
+    QList<Key> uniqueKeys() const;
+    QList<Key> keys() const;
+    QList<Key> keys(const T &value) const;
+    QList<T> values() const;
+    QList<T> values(const Key &key) const;
+    int count(const Key &key) const;
+
+    class const_iterator;
+
+    class iterator
+    {
+        friend class const_iterator;
+        QHashData::Node *i;
+
+    public:
+        typedef std::bidirectional_iterator_tag iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef T *pointer;
+        typedef T &reference;
+
+        // ### Qt 5: get rid of 'operator Node *'
+        inline operator Node *() const { return concrete(i); }
+        inline iterator() : i(0) { }
+        explicit inline iterator(void *node) : i(reinterpret_cast<QHashData::Node *>(node)) { }
+
+        inline const Key &key() const { return concrete(i)->key; }
+        inline T &value() const { return concrete(i)->value; }
+        inline T &operator*() const { return concrete(i)->value; }
+        inline T *operator->() const { return &concrete(i)->value; }
+        inline bool operator==(const iterator &o) const { return i == o.i; }
+        inline bool operator!=(const iterator &o) const { return i != o.i; }
+
+        inline iterator &operator++() {
+            i = QHashData::nextNode(i);
+            return *this;
+        }
+        inline iterator operator++(int) {
+            iterator r = *this;
+            i = QHashData::nextNode(i);
+            return r;
+        }
+        inline iterator &operator--() {
+            i = QHashData::previousNode(i);
+            return *this;
+        }
+        inline iterator operator--(int) {
+            iterator r = *this;
+            i = QHashData::previousNode(i);
+            return r;
+        }
+        inline iterator operator+(int j) const
+        { iterator r = *this; if (j > 0) while (j--) ++r; else while (j++) --r; return r; }
+        inline iterator operator-(int j) const { return operator+(-j); }
+        inline iterator &operator+=(int j) { return *this = *this + j; }
+        inline iterator &operator-=(int j) { return *this = *this - j; }
+
+        // ### Qt 5: not sure this is necessary anymore
+#ifdef QT_STRICT_ITERATORS
+    private:
+#else
+    public:
+#endif
+        inline bool operator==(const const_iterator &o) const
+            { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const
+            { return i != o.i; }
+
+    private:
+        // ### Qt 5: remove
+        inline operator bool() const { return false; }
+    };
+    friend class iterator;
+
+    class const_iterator
+    {
+        friend class iterator;
+        QHashData::Node *i;
+
+    public:
+        typedef std::bidirectional_iterator_tag iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef const T *pointer;
+        typedef const T &reference;
+
+        // ### Qt 5: get rid of 'operator Node *'
+        inline operator Node *() const { return concrete(i); }
+        inline const_iterator() : i(0) { }
+        explicit inline const_iterator(void *node)
+            : i(reinterpret_cast<QHashData::Node *>(node)) { }
+#ifdef QT_STRICT_ITERATORS
+        explicit inline const_iterator(const iterator &o)
+#else
+        inline const_iterator(const iterator &o)
+#endif
+        { i = o.i; }
+
+        inline const Key &key() const { return concrete(i)->key; }
+        inline const T &value() const { return concrete(i)->value; }
+        inline const T &operator*() const { return concrete(i)->value; }
+        inline const T *operator->() const { return &concrete(i)->value; }
+        inline bool operator==(const const_iterator &o) const { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const { return i != o.i; }
+
+        inline const_iterator &operator++() {
+            i = QHashData::nextNode(i);
+            return *this;
+        }
+        inline const_iterator operator++(int) {
+            const_iterator r = *this;
+            i = QHashData::nextNode(i);
+            return r;
+        }
+        inline const_iterator &operator--() {
+            i = QHashData::previousNode(i);
+            return *this;
+        }
+        inline const_iterator operator--(int) {
+            const_iterator r = *this;
+            i = QHashData::previousNode(i);
+            return r;
+        }
+        inline const_iterator operator+(int j) const
+        { const_iterator r = *this; if (j > 0) while (j--) ++r; else while (j++) --r; return r; }
+        inline const_iterator operator-(int j) const { return operator+(-j); }
+        inline const_iterator &operator+=(int j) { return *this = *this + j; }
+        inline const_iterator &operator-=(int j) { return *this = *this - j; }
+
+        // ### Qt 5: not sure this is necessary anymore
+#ifdef QT_STRICT_ITERATORS
+    private:
+        inline bool operator==(const iterator &o) const { return operator==(const_iterator(o)); }
+        inline bool operator!=(const iterator &o) const { return operator!=(const_iterator(o)); }
+#endif
+
+    private:
+        // ### Qt 5: remove
+        inline operator bool() const { return false; }
+    };
+    friend class const_iterator;
+
+    // STL style
+    inline iterator begin() { detach(); return iterator(d->firstNode()); }
+    inline const_iterator begin() const { return const_iterator(d->firstNode()); }
+    inline const_iterator constBegin() const { return const_iterator(d->firstNode()); }
+    inline iterator end() { detach(); return iterator(e); }
+    inline const_iterator end() const { return const_iterator(e); }
+    inline const_iterator constEnd() const { return const_iterator(e); }
+    iterator erase(iterator it);
+
+    // more Qt
+    typedef iterator Iterator;
+    typedef const_iterator ConstIterator;
+    inline int count() const { return d->size; }
+    iterator find(const Key &key);
+    const_iterator find(const Key &key) const;
+    const_iterator constFind(const Key &key) const;
+    iterator insert(const Key &key, const T &value);
+    iterator insertMulti(const Key &key, const T &value);
+    QHash<Key, T> &unite(const QHash<Key, T> &other);
+
+    // STL compatibility
+    typedef T mapped_type;
+    typedef Key key_type;
+    typedef ptrdiff_t difference_type;
+    typedef int size_type;
+
+    inline bool empty() const { return isEmpty(); }
+
+#ifdef QT_QHASH_DEBUG
+    inline void dump() const { d->dump(); }
+    inline void checkSanity() const { d->checkSanity(); }
+#endif
+
+private:
+    void detach_helper();
+    void freeData(QHashData *d);
+    Node **findNode(const Key &key, uint *hp = 0) const;
+    Node *createNode(uint h, const Key &key, const T &value, Node **nextNode);
+    void deleteNode(Node *node);
+
+    static void duplicateNode(QHashData::Node *originalNode, void *newNode);
+};
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE void QHash<Key, T>::deleteNode(Node *node)
+{
+#ifdef Q_CC_BOR
+    node->~QHashNode<Key, T>();
+#elif defined(QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION)
+    node->~QHashNode();
+#else
+    node->~Node();
+#endif
+    d->freeNode(node);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE void QHash<Key, T>::duplicateNode(QHashData::Node *node, void *newNode)
+{
+    Node *concreteNode = concrete(node);
+    if (QTypeInfo<T>::isDummy) {
+        (void) new (newNode) DummyNode(concreteNode->key);
+    } else {
+        (void) new (newNode) Node(concreteNode->key, concreteNode->value);
+    }
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QHash<Key, T>::Node *
+QHash<Key, T>::createNode(uint ah, const Key &akey, const T &avalue, Node **anextNode)
+{
+    Node *node;
+
+    if (QTypeInfo<T>::isDummy) {
+        node = reinterpret_cast<Node *>(new (d->allocateNode()) DummyNode(akey));
+    } else {
+        node = new (d->allocateNode()) Node(akey, avalue);
+    }
+
+    node->h = ah;
+    node->next = *anextNode;
+    *anextNode = node;
+    ++d->size;
+    return node;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE QHash<Key, T> &QHash<Key, T>::unite(const QHash<Key, T> &other)
+{
+    QHash<Key, T> copy(other);
+    const_iterator it = copy.constEnd();
+    while (it != copy.constBegin()) {
+        --it;
+        insertMulti(it.key(), it.value());
+    }
+    return *this;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE void QHash<Key, T>::freeData(QHashData *x)
+{
+    Node *e_for_x = reinterpret_cast<Node *>(x);
+    Node **bucket = reinterpret_cast<Node **>(x->buckets);
+    int n = x->numBuckets;
+    while (n--) {
+        Node *cur = *bucket++;
+        while (cur != e_for_x) {
+            Node *next = cur->next;
+            deleteNode(cur);
+            cur = next;
+        }
+    }
+    x->destroyAndFree();
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE void QHash<Key, T>::clear()
+{
+    *this = QHash<Key,T>();
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE void QHash<Key, T>::detach_helper()
+{
+    QHashData *x = d->detach_helper(duplicateNode,
+        QTypeInfo<T>::isDummy ? sizeof(DummyNode) : sizeof(Node));
+    if (!d->ref.deref())
+        freeData(d);
+    d = x;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE QHash<Key, T> &QHash<Key, T>::operator=(const QHash<Key, T> &other)
+{
+    if (d != other.d) {
+        other.d->ref.ref();
+        if (!d->ref.deref())
+            freeData(d);
+        d = other.d;
+        if (!d->sharable)
+            detach_helper();
+    }
+    return *this;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QHash<Key, T>::value(const Key &akey) const
+{
+    Node *node;
+    if (d->size == 0 || (node = *findNode(akey)) == e) {
+        return T();
+    } else {
+        return node->value;
+    }
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QHash<Key, T>::value(const Key &akey, const T &adefaultValue) const
+{
+    Node *node;
+    if (d->size == 0 || (node = *findNode(akey)) == e) {
+        return adefaultValue;
+    } else {
+        return node->value;
+    }
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QHash<Key, T>::uniqueKeys() const
+{
+    QList<Key> res;
+    const_iterator i = begin();
+    if (i != end()) {
+        for (;;) {
+            const Key &aKey = i.key();
+            res.append(aKey);
+            do {
+                if (++i == end())
+                    goto break_out_of_outer_loop;
+            } while (aKey == i.key());
+        }
+    }
+break_out_of_outer_loop:
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QHash<Key, T>::keys() const
+{
+    QList<Key> res;
+    const_iterator i = begin();
+    while (i != end()) {
+        res.append(i.key());
+        ++i;
+    }
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QHash<Key, T>::keys(const T &avalue) const
+{
+    QList<Key> res;
+    const_iterator i = begin();
+    while (i != end()) {
+        if (i.value() == avalue)
+            res.append(i.key());
+        ++i;
+    }
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE const Key QHash<Key, T>::key(const T &avalue) const
+{
+    return key(avalue, Key());
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE const Key QHash<Key, T>::key(const T &avalue, const Key &defaultValue) const
+{
+    const_iterator i = begin();
+    while (i != end()) {
+        if (i.value() == avalue)
+            return i.key();
+        ++i;
+    }
+
+    return defaultValue;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<T> QHash<Key, T>::values() const
+{
+    QList<T> res;
+    const_iterator i = begin();
+    while (i != end()) {
+        res.append(i.value());
+        ++i;
+    }
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<T> QHash<Key, T>::values(const Key &akey) const
+{
+    QList<T> res;
+    Node *node = *findNode(akey);
+    if (node != e) {
+        do {
+            res.append(node->value);
+        } while ((node = node->next) != e && node->key == akey);
+    }
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE int QHash<Key, T>::count(const Key &akey) const
+{
+    int cnt = 0;
+    Node *node = *findNode(akey);
+    if (node != e) {
+        do {
+            ++cnt;
+        } while ((node = node->next) != e && node->key == akey);
+    }
+    return cnt;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QHash<Key, T>::operator[](const Key &akey) const
+{
+    return value(akey);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE T &QHash<Key, T>::operator[](const Key &akey)
+{
+    detach();
+
+    uint h;
+    Node **node = findNode(akey, &h);
+    if (*node == e) {
+        if (d->willGrow())
+            node = findNode(akey, &h);
+        return createNode(h, akey, T(), node)->value;
+    }
+    return (*node)->value;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QHash<Key, T>::iterator QHash<Key, T>::insert(const Key &akey,
+                                                                         const T &avalue)
+{
+    detach();
+
+    uint h;
+    Node **node = findNode(akey, &h);
+    if (*node == e) {
+        if (d->willGrow())
+            node = findNode(akey, &h);
+        return iterator(createNode(h, akey, avalue, node));
+    }
+
+    if (!QTypeInfo<T>::isDummy)
+        (*node)->value = avalue;
+    return iterator(*node);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QHash<Key, T>::iterator QHash<Key, T>::insertMulti(const Key &akey,
+                                                                              const T &avalue)
+{
+    detach();
+    d->willGrow();
+
+    uint h;
+    Node **nextNode = findNode(akey, &h);
+    return iterator(createNode(h, akey, avalue, nextNode));
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE int QHash<Key, T>::remove(const Key &akey)
+{
+    detach();
+
+    int oldSize = d->size;
+    Node **node = findNode(akey);
+    if (*node != e) {
+        bool deleteNext = true;
+        do {
+            Node *next = (*node)->next;
+            deleteNext = (next != e && next->key == (*node)->key);
+            deleteNode(*node);
+            *node = next;
+            --d->size;
+        } while (deleteNext);
+        d->hasShrunk();
+    }
+    return oldSize - d->size;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE T QHash<Key, T>::take(const Key &akey)
+{
+    detach();
+
+    Node **node = findNode(akey);
+    if (*node != e) {
+        T t = (*node)->value;
+        Node *next = (*node)->next;
+        deleteNode(*node);
+        *node = next;
+        --d->size;
+        d->hasShrunk();
+        return t;
+    }
+    return T();
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE typename QHash<Key, T>::iterator QHash<Key, T>::erase(iterator it)
+{
+    if (it == iterator(e))
+        return it;
+
+    iterator ret = it;
+    ++ret;
+
+    Node *node = it;
+    Node **node_ptr = reinterpret_cast<Node **>(&d->buckets[node->h % d->numBuckets]);
+    while (*node_ptr != node)
+        node_ptr = &(*node_ptr)->next;
+    *node_ptr = node->next;
+    deleteNode(node);
+    --d->size;
+    return ret;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE void QHash<Key, T>::reserve(int asize)
+{
+    detach();
+    d->rehash(-qMax(asize, 1));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QHash<Key, T>::const_iterator QHash<Key, T>::find(const Key &akey) const
+{
+    return const_iterator(*findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QHash<Key, T>::const_iterator QHash<Key, T>::constFind(const Key &akey) const
+{
+    return const_iterator(*findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QHash<Key, T>::iterator QHash<Key, T>::find(const Key &akey)
+{
+    detach();
+    return iterator(*findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE bool QHash<Key, T>::contains(const Key &akey) const
+{
+    return *findNode(akey) != e;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE typename QHash<Key, T>::Node **QHash<Key, T>::findNode(const Key &akey,
+                                                                            uint *ahp) const
+{
+    Node **node;
+    uint h = qHash(akey);
+
+    if (d->numBuckets) {
+        node = reinterpret_cast<Node **>(&d->buckets[h % d->numBuckets]);
+        Q_ASSERT(*node == e || (*node)->next);
+        while (*node != e && !(*node)->same_key(h, akey))
+            node = &(*node)->next;
+    } else {
+        node = const_cast<Node **>(reinterpret_cast<const Node * const *>(&e));
+    }
+    if (ahp)
+        *ahp = h;
+    return node;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE bool QHash<Key, T>::operator==(const QHash<Key, T> &other) const
+{
+    if (size() != other.size())
+        return false;
+    if (d == other.d)
+        return true;
+
+    const_iterator it = begin();
+
+    while (it != end()) {
+        const Key &akey = it.key();
+
+        const_iterator it2 = other.find(akey);
+        do {
+            if (it2 == other.end() || !(it2.key() == akey))
+                return false;
+            if (!QTypeInfo<T>::isDummy && !(it.value() == it2.value()))
+                return false;
+            ++it;
+            ++it2;
+        } while (it != end() && it.key() == akey);
+    }
+    return true;
+}
+
+template <class Key, class T>
+class QMultiHash : public QHash<Key, T>
+{
+public:
+    QMultiHash() {}
+    QMultiHash(const QHash<Key, T> &other) : QHash<Key, T>(other) {}
+
+    inline typename QHash<Key, T>::iterator replace(const Key &key, const T &value)
+    { return QHash<Key, T>::insert(key, value); }
+
+    inline typename QHash<Key, T>::iterator insert(const Key &key, const T &value)
+    { return QHash<Key, T>::insertMulti(key, value); }
+
+    inline QMultiHash &operator+=(const QMultiHash &other)
+    { unite(other); return *this; }
+    inline QMultiHash operator+(const QMultiHash &other) const
+    { QMultiHash result = *this; result += other; return result; }
+
+#ifndef Q_NO_USING_KEYWORD
+    using QHash<Key, T>::contains;
+    using QHash<Key, T>::remove;
+    using QHash<Key, T>::count;
+    using QHash<Key, T>::find;
+    using QHash<Key, T>::constFind;
+#else
+    inline bool contains(const Key &key) const
+    { return QHash<Key, T>::contains(key); }
+    inline int remove(const Key &key)
+    { return QHash<Key, T>::remove(key); }
+    inline int count(const Key &key) const
+    { return QHash<Key, T>::count(key); }
+    inline int count() const
+    { return QHash<Key, T>::count(); }
+    inline typename QHash<Key, T>::iterator find(const Key &key)
+    { return QHash<Key, T>::find(key); }
+    inline typename QHash<Key, T>::const_iterator find(const Key &key) const
+    { return QHash<Key, T>::find(key); }
+    inline typename QHash<Key, T>::const_iterator constFind(const Key &key) const
+    { return QHash<Key, T>::constFind(key); }
+#endif
+
+    bool contains(const Key &key, const T &value) const;
+
+    int remove(const Key &key, const T &value);
+
+    int count(const Key &key, const T &value) const;
+
+    typename QHash<Key, T>::iterator find(const Key &key, const T &value) {
+        typename QHash<Key, T>::iterator i(find(key));
+        typename QHash<Key, T>::iterator end(this->end());
+        while (i != end && i.key() == key) {
+            if (i.value() == value)
+                return i;
+            ++i;
+        }
+        return end;
+    }
+    typename QHash<Key, T>::const_iterator find(const Key &key, const T &value) const {
+        typename QHash<Key, T>::const_iterator i(constFind(key));
+        typename QHash<Key, T>::const_iterator end(QHash<Key, T>::constEnd());
+        while (i != end && i.key() == key) {
+            if (i.value() == value)
+                return i;
+            ++i;
+        }
+        return end;
+    }
+    typename QHash<Key, T>::const_iterator constFind(const Key &key, const T &value) const
+        { return find(key, value); }
+private:
+    T &operator[](const Key &key);
+    const T operator[](const Key &key) const;
+};
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE bool QMultiHash<Key, T>::contains(const Key &key, const T &value) const
+{
+    return constFind(key, value) != QHash<Key, T>::constEnd();
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE int QMultiHash<Key, T>::remove(const Key &key, const T &value)
+{
+    int n = 0;
+    typename QHash<Key, T>::iterator i(find(key));
+    typename QHash<Key, T>::iterator end(QHash<Key, T>::end());
+    while (i != end && i.key() == key) {
+        if (i.value() == value) {
+            i = erase(i);
+            ++n;
+        } else {
+            ++i;
+        }
+    }
+    return n;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE int QMultiHash<Key, T>::count(const Key &key, const T &value) const
+{
+    int n = 0;
+    typename QHash<Key, T>::const_iterator i(constFind(key));
+    typename QHash<Key, T>::const_iterator end(QHash<Key, T>::constEnd());
+    while (i != end && i.key() == key) {
+        if (i.value() == value)
+            ++n;
+        ++i;
+    }
+    return n;
+}
+
+Q_DECLARE_ASSOCIATIVE_ITERATOR(Hash)
+Q_DECLARE_MUTABLE_ASSOCIATIVE_ITERATOR(Hash)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QHASH_H
diff --git a/src/corelib/tools/qiterator.h b/src/corelib/tools/qiterator.h
new file mode 100644
index 0000000000..3f050fee6b
--- /dev/null
+++ b/src/corelib/tools/qiterator.h
@@ -0,0 +1,202 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QITERATOR_H
+#define QITERATOR_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+namespace std {
+    struct bidirectional_iterator_tag;
+    struct random_access_iterator_tag;
+}
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#define Q_DECLARE_SEQUENTIAL_ITERATOR(C) \
+\
+template <class T> \
+class Q##C##Iterator \
+{ \
+    typedef typename Q##C<T>::const_iterator const_iterator; \
+    Q##C<T> c; \
+    const_iterator i; \
+public: \
+    inline Q##C##Iterator(const Q##C<T> &container) \
+        : c(container), i(c.constBegin()) {} \
+    inline Q##C##Iterator &operator=(const Q##C<T> &container) \
+    { c = container; i = c.constBegin(); return *this; } \
+    inline void toFront() { i = c.constBegin(); } \
+    inline void toBack() { i = c.constEnd(); } \
+    inline bool hasNext() const { return i != c.constEnd(); } \
+    inline const T &next() { return *i++; } \
+    inline const T &peekNext() const { return *i; } \
+    inline bool hasPrevious() const { return i != c.constBegin(); } \
+    inline const T &previous() { return *--i; } \
+    inline const T &peekPrevious() const { const_iterator p = i; return *--p; } \
+    inline bool findNext(const T &t) \
+    { while (i != c.constEnd()) if (*i++ == t) return true; return false; } \
+    inline bool findPrevious(const T &t) \
+    { while (i != c.constBegin()) if (*(--i) == t) return true; \
+      return false;  } \
+};
+
+#define Q_DECLARE_MUTABLE_SEQUENTIAL_ITERATOR(C) \
+\
+template <class T> \
+class QMutable##C##Iterator \
+{ \
+    typedef typename Q##C<T>::iterator iterator; \
+    typedef typename Q##C<T>::const_iterator const_iterator; \
+    Q##C<T> *c; \
+    iterator i, n; \
+    inline bool item_exists() const { return const_iterator(n) != c->constEnd(); } \
+public: \
+    inline QMutable##C##Iterator(Q##C<T> &container) \
+        : c(&container) \
+    { c->setSharable(false); i = c->begin(); n = c->end(); } \
+    inline ~QMutable##C##Iterator() \
+    { c->setSharable(true); } \
+    inline QMutable##C##Iterator &operator=(Q##C<T> &container) \
+    { c->setSharable(true); c = &container; c->setSharable(false); \
+      i = c->begin(); n = c->end(); return *this; } \
+    inline void toFront() { i = c->begin(); n = c->end(); } \
+    inline void toBack() { i = c->end(); n = i; } \
+    inline bool hasNext() const { return c->constEnd() != const_iterator(i); } \
+    inline T &next() { n = i++; return *n; } \
+    inline T &peekNext() const { return *i; } \
+    inline bool hasPrevious() const { return c->constBegin() != const_iterator(i); } \
+    inline T &previous() { n = --i; return *n; } \
+    inline T &peekPrevious() const { iterator p = i; return *--p; } \
+    inline void remove() \
+    { if (c->constEnd() != const_iterator(n)) { i = c->erase(n); n = c->end(); } } \
+    inline void setValue(const T &t) const { if (c->constEnd() != const_iterator(n)) *n = t; } \
+    inline T &value() { Q_ASSERT(item_exists()); return *n; } \
+    inline const T &value() const { Q_ASSERT(item_exists()); return *n; } \
+    inline void insert(const T &t) { n = i = c->insert(i, t); ++i; } \
+    inline bool findNext(const T &t) \
+    { while (c->constEnd() != const_iterator(n = i)) if (*i++ == t) return true; return false; } \
+    inline bool findPrevious(const T &t) \
+    { while (c->constBegin() != const_iterator(i)) if (*(n = --i) == t) return true; \
+      n = c->end(); return false;  } \
+};
+
+#define Q_DECLARE_ASSOCIATIVE_ITERATOR(C) \
+\
+template <class Key, class T> \
+class Q##C##Iterator \
+{ \
+    typedef typename Q##C<Key,T>::const_iterator const_iterator; \
+    typedef const_iterator Item; \
+    Q##C<Key,T> c; \
+    const_iterator i, n; \
+    inline bool item_exists() const { return n != c.constEnd(); } \
+public: \
+    inline Q##C##Iterator(const Q##C<Key,T> &container) \
+        : c(container), i(c.constBegin()), n(c.constEnd()) {} \
+    inline Q##C##Iterator &operator=(const Q##C<Key,T> &container) \
+    { c = container; i = c.constBegin(); n = c.constEnd(); return *this; } \
+    inline void toFront() { i = c.constBegin(); n = c.constEnd(); } \
+    inline void toBack() { i = c.constEnd(); n = c.constEnd(); } \
+    inline bool hasNext() const { return i != c.constEnd(); } \
+    inline Item next() { n = i++; return n; } \
+    inline Item peekNext() const { return i; } \
+    inline bool hasPrevious() const { return i != c.constBegin(); } \
+    inline Item previous() { n = --i; return n; } \
+    inline Item peekPrevious() const { const_iterator p = i; return --p; } \
+    inline const T &value() const { Q_ASSERT(item_exists()); return *n; } \
+    inline const Key &key() const { Q_ASSERT(item_exists()); return n.key(); } \
+    inline bool findNext(const T &t) \
+    { while ((n = i) != c.constEnd()) if (*i++ == t) return true; return false; } \
+    inline bool findPrevious(const T &t) \
+    { while (i != c.constBegin()) if (*(n = --i) == t) return true; \
+      n = c.constEnd(); return false; } \
+};
+
+#define Q_DECLARE_MUTABLE_ASSOCIATIVE_ITERATOR(C) \
+\
+template <class Key, class T> \
+class QMutable##C##Iterator \
+{ \
+    typedef typename Q##C<Key,T>::iterator iterator; \
+    typedef typename Q##C<Key,T>::const_iterator const_iterator; \
+    typedef iterator Item; \
+    Q##C<Key,T> *c; \
+    iterator i, n; \
+    inline bool item_exists() const { return const_iterator(n) != c->constEnd(); } \
+public: \
+    inline QMutable##C##Iterator(Q##C<Key,T> &container) \
+        : c(&container) \
+    { c->setSharable(false); i = c->begin(); n = c->end(); } \
+    inline ~QMutable##C##Iterator() \
+    { c->setSharable(true); } \
+    inline QMutable##C##Iterator &operator=(Q##C<Key,T> &container) \
+    { c->setSharable(true); c = &container; c->setSharable(false); i = c->begin(); n = c->end(); return *this; } \
+    inline void toFront() { i = c->begin(); n = c->end(); } \
+    inline void toBack() { i = c->end(); n = c->end(); } \
+    inline bool hasNext() const { return const_iterator(i) != c->constEnd(); } \
+    inline Item next() { n = i++; return n; } \
+    inline Item peekNext() const { return i; } \
+    inline bool hasPrevious() const { return const_iterator(i) != c->constBegin(); } \
+    inline Item previous() { n = --i; return n; } \
+    inline Item peekPrevious() const { iterator p = i; return --p; } \
+    inline void remove() \
+    { if (const_iterator(n) != c->constEnd()) { i = c->erase(n); n = c->end(); } } \
+    inline void setValue(const T &t) { if (const_iterator(n) != c->constEnd()) *n = t; } \
+    inline T &value() { Q_ASSERT(item_exists()); return *n; } \
+    inline const T &value() const { Q_ASSERT(item_exists()); return *n; } \
+    inline const Key &key() const { Q_ASSERT(item_exists()); return n.key(); } \
+    inline bool findNext(const T &t) \
+    { while (const_iterator(n = i) != c->constEnd()) if (*i++ == t) return true; return false; } \
+    inline bool findPrevious(const T &t) \
+    { while (const_iterator(i) != c->constBegin()) if (*(n = --i) == t) return true; \
+      n = c->end(); return false; } \
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QITERATOR_H
diff --git a/src/corelib/tools/qline.cpp b/src/corelib/tools/qline.cpp
new file mode 100644
index 0000000000..f615dcdaa4
--- /dev/null
+++ b/src/corelib/tools/qline.cpp
@@ -0,0 +1,867 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qline.h"
+#include "qdebug.h"
+#include "qdatastream.h"
+#include "qmath.h"
+#include <private/qnumeric_p.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QLine
+    \ingroup multimedia
+
+    \brief The QLine class provides a two-dimensional vector using
+    integer precision.
+
+    A QLine describes a finite length line (or a line segment) on a
+    two-dimensional surface. The start and end points of the line are
+    specified using integer point accuracy for coordinates. Use the
+    QLineF constructor to retrieve a floating point copy.
+
+    \table
+    \row
+        \o \inlineimage qline-point.png
+        \o \inlineimage qline-coordinates.png
+    \endtable
+
+    The positions of the line's start and end points can be retrieved
+    using the p1(), x1(), y1(), p2(), x2(), and y2() functions. The
+    dx() and dy() functions return the horizontal and vertical
+    components of the line. Use isNull() to determine whether the
+    QLine represents a valid line or a null line.
+
+    Finally, the line can be translated a given offset using the
+    translate() function.
+
+    \sa QLineF, QPolygon, QRect
+*/
+
+/*!
+    \fn QLine::QLine()
+
+    Constructs a null line.
+*/
+
+/*!
+    \fn QLine::QLine(const QPoint &p1, const QPoint &p2)
+
+    Constructs a line object that represents the line between \a p1 and
+    \a p2.
+*/
+
+/*!
+    \fn QLine::QLine(int x1, int y1, int x2, int y2)
+
+    Constructs a line object that represents the line between (\a x1, \a y1) and
+    (\a x2, \a y2).
+*/
+
+/*!
+    \fn bool QLine::isNull() const
+
+    Returns true if the line is not set up with valid start and end point;
+    otherwise returns false.
+*/
+
+/*!
+    \fn QPoint QLine::p1() const
+
+    Returns the line's start point.
+
+    \sa x1(), y1(), p2()
+*/
+
+/*!
+    \fn QPoint QLine::p2() const
+
+    Returns the line's end point.
+
+    \sa x2(), y2(), p1()
+*/
+
+/*!
+    \fn int QLine::x1() const
+
+    Returns the x-coordinate of the line's start point.
+
+    \sa p1()
+*/
+
+/*!
+    \fn int QLine::y1() const
+
+    Returns the y-coordinate of the line's start point.
+
+    \sa p1()
+*/
+
+/*!
+    \fn int QLine::x2() const
+
+    Returns the x-coordinate of the line's end point.
+
+    \sa p2()
+*/
+
+/*!
+    \fn int QLine::y2() const
+
+    Returns the y-coordinate of the line's end point.
+
+    \sa p2()
+*/
+
+/*!
+    \fn int QLine::dx() const
+
+    Returns the horizontal component of the line's vector.
+
+    \sa dy()
+*/
+
+/*!
+    \fn int QLine::dy() const
+
+    Returns the vertical component of the line's vector.
+
+    \sa dx()
+*/
+
+/*!
+    \fn bool QLine::operator!=(const QLine &line) const
+
+    Returns true if the given \a line is not the same as \e this line.
+
+    A line is different from another line if any of their start or
+    end points differ, or the internal order of the points is different.
+*/
+
+/*!
+    \fn bool QLine::operator==(const QLine &line) const
+
+    Returns true if the given \a line is the same as \e this line.
+
+    A line is identical to another line if the start and end points
+    are identical, and the internal order of the points is the same.
+*/
+
+/*!
+    \fn void QLine::translate(const QPoint &offset)
+
+    Translates this line by the given \a offset.
+*/
+
+/*!
+    \fn void QLine::translate(int dx, int dy)
+    \overload
+
+    Translates this line the distance specified by \a dx and \a dy.
+*/
+
+/*!
+    \fn QLine QLine::translated(const QPoint &offset) const
+
+    \since 4.4
+
+    Returns this line translated by the given \a offset.
+*/
+
+/*!
+    \fn QLine QLine::translated(int dx, int dy) const
+    \overload
+    \since 4.4
+
+    Returns this line translated the distance specified by \a dx and \a dy.
+*/
+
+
+/*!
+    \fn void QLine::setP1(const QPoint &p1)
+    \since 4.4
+
+    Sets the starting point of this line to \a p1.
+
+    \sa setP2(), p1()
+*/
+
+
+/*!
+    \fn void QLine::setP2(const QPoint &p2)
+    \since 4.4
+
+    Sets the end point of this line to \a p2.
+
+    \sa setP1(), p2()
+*/
+
+
+/*!
+    \fn void QLine::setPoints(const QPoint &p1, const QPoint &p2)
+    \since 4.4
+
+    Sets the start point of this line to \a p1 and the end point of this line to \a p2.
+
+    \sa setP1(), setP2(), p1(), p2()
+*/
+
+
+/*!
+    \fn void QLine::setLine(int x1, int y1, int x2, int y2)
+    \since 4.4
+
+    Sets this line to the start in \a x1, \a y1 and end in \a x2, \a y2.
+
+    \sa setP1(), setP2(), p1(), p2()
+*/
+
+
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug d, const QLine &p)
+{
+    d << "QLine(" << p.p1() << "," << p.p2() << ")";
+    return d;
+}
+#endif
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    \relates QLine
+
+    Writes the given \a line to the given \a stream and returns a
+    reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator<<(QDataStream &stream, const QLine &line)
+{
+    stream << line.p1() << line.p2();
+    return stream;
+}
+
+/*!
+    \relates QLine
+
+    Reads a line from the given \a stream into the given \a line and
+    returns a reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator>>(QDataStream &stream, QLine &line)
+{
+    QPoint p1, p2;
+    stream >> p1;
+    stream >> p2;
+    line = QLine(p1, p2);
+
+    return stream;
+}
+
+#endif // QT_NO_DATASTREAM
+
+
+#ifndef M_2PI
+#define M_2PI 6.28318530717958647692528676655900576
+#endif
+
+/*!
+    \class QLineF
+    \ingroup multimedia
+
+    \brief The QLineF class provides a two-dimensional vector using
+    floating point precision.
+
+    A QLineF describes a finite length line (or line segment) on a
+    two-dimensional surface. QLineF defines the start and end points
+    of the line using floating point accuracy for coordinates.  Use
+    the toLine() function to retrieve an integer based copy of this
+    line.
+
+    \table
+    \row
+        \o \inlineimage qline-point.png
+        \o \inlineimage qline-coordinates.png
+    \endtable
+
+    The positions of the line's start and end points can be retrieved
+    using the p1(), x1(), y1(), p2(), x2(), and y2() functions. The
+    dx() and dy() functions return the horizontal and vertical
+    components of the line, respectively.
+
+    The line's length can be retrieved using the length() function,
+    and altered using the setLength() function.  Similarly, angle()
+    and setAngle() are respectively used for retrieving and altering
+    the angle of the line. Use the isNull()
+    function to determine whether the QLineF represents a valid line
+    or a null line.
+
+    The intersect() function determines the IntersectType for this
+    line and a given line, while the angle() function returns the
+    angle between the lines. In addition, the unitVector() function
+    returns a line that has the same starting point as this line, but
+    with a length of only 1, while the normalVector() function returns
+    a line that is perpendicular to this line with the same starting
+    point and length.
+
+    Finally, the line can be translated a given offset using the
+    translate() function, and can be traversed using the pointAt()
+    function.
+
+    \sa QLine, QPolygonF, QRectF
+*/
+
+/*!
+    \enum QLineF::IntersectType
+
+    Describes the intersection between two lines.
+
+    \table
+    \row
+    \o \inlineimage qlinef-unbounded.png
+    \o \inlineimage qlinef-bounded.png
+    \row
+    \o QLineF::UnboundedIntersection
+    \o QLineF::BoundedIntersection
+    \endtable
+
+    \value NoIntersection Indicates that the lines do not intersect;
+    i.e. they are parallel.
+
+    \value UnboundedIntersection The two lines intersect, but not
+    within the range defined by their lengths. This will be the case
+    if the lines are not parallel. 
+
+    intersect() will also return this value if the intersect point is
+    within the start and end point of only one of the lines.
+
+    \value BoundedIntersection The two lines intersect with each other
+    within the start and end points of each line.
+
+    \sa intersect()
+*/
+
+/*!
+    \fn QLineF::QLineF()
+
+    Constructs a null line.
+*/
+
+/*!
+    \fn QLineF::QLineF(const QPointF &p1, const QPointF &p2)
+
+    Constructs a line object that represents the line between \a p1 and
+    \a p2.
+*/
+
+/*!
+    \fn QLineF::QLineF(qreal x1, qreal y1, qreal x2, qreal y2)
+
+    Constructs a line object that represents the line between (\a x1, \a y1) and
+    (\a x2, \a y2).
+*/
+
+/*!
+    \fn QLineF::QLineF(const QLine &line)
+
+    Construct a QLineF object from the given integer-based \a line.
+
+    \sa toLine()
+*/
+
+/*!
+    Returns true if the line is not set up with valid start and end point;
+    otherwise returns false.
+*/
+
+bool QLineF::isNull() const
+{
+    return (qFuzzyCompare(pt1.x(), pt2.x()) && qFuzzyCompare(pt1.y(), pt2.y())) ? true : false;
+}
+
+
+/*!
+    \fn QPointF QLineF::p1() const
+
+    Returns the line's start point.
+
+    \sa x1(), y1(), p2()
+*/
+
+/*!
+    \fn QPointF QLineF::p2() const
+
+    Returns the line's end point.
+
+    \sa x2(), y2(), p1()
+*/
+
+/*!
+    \fn QLine QLineF::toLine() const
+
+    Returns an integer based copy of this line.
+
+    Note that the returned line's start and end points are rounded to
+    the nearest integer.
+
+    \sa QLineF()
+*/
+/*!
+    \fn qreal QLineF::x1() const
+
+    Returns the x-coordinate of the line's start point.
+
+    \sa p1()
+*/
+
+/*!
+    \fn qreal QLineF::y1() const
+
+    Returns the y-coordinate of the line's start point.
+
+    \sa p1()
+*/
+
+/*!
+    \fn qreal QLineF::x2() const
+
+    Returns the x-coordinate of the line's end point.
+
+    \sa p2()
+*/
+
+/*!
+    \fn qreal QLineF::y2() const
+
+    Returns the y-coordinate of the line's end point.
+
+    \sa p2()
+*/
+
+/*!
+    \fn qreal QLineF::dx() const
+
+    Returns the horizontal component of the line's vector.
+
+    \sa dy(), pointAt()
+*/
+
+/*!
+    \fn qreal QLineF::dy() const
+
+    Returns the vertical component of the line's vector.
+
+    \sa dx(), pointAt()
+*/
+
+/*!
+    \fn QLineF::setLength(qreal length)
+
+    Sets the length of the line to the given \a length. QLineF will
+    move the end point - p2() - of the line to give the line its new length.
+    
+    If the line is a null line, the length will remain zero regardless
+    of the length specified. 
+
+    \sa length(), isNull()
+*/
+
+/*!
+    \fn QLineF QLineF::normalVector() const
+
+    Returns a line that is perpendicular to this line with the same starting
+    point and length.
+
+    \image qlinef-normalvector.png
+
+    \sa unitVector()
+*/
+
+/*!
+    \fn bool QLineF::operator!=(const QLineF &line) const
+
+    Returns true if the given \a line is not the same as \e this line.
+
+    A line is different from another line if their start or end points
+    differ, or the internal order of the points is different.
+*/
+
+/*!
+    \fn bool QLineF::operator==(const QLineF &line) const
+
+    Returns true if the given \a line is the same as this line.
+
+    A line is identical to another line if the start and end points
+    are identical, and the internal order of the points is the same.
+*/
+
+/*!
+  \fn qreal QLineF::pointAt(qreal t) const
+
+  Returns the point at the parameterized position specified by \a
+  t. The function returns the line's start point if t = 0, and its end
+  point if t = 1.
+
+  \sa dx(), dy()
+*/
+
+/*!
+    Returns the length of the line.
+
+    \sa setLength()
+*/
+qreal QLineF::length() const
+{
+    qreal x = pt2.x() - pt1.x();
+    qreal y = pt2.y() - pt1.y();
+    return qSqrt(x*x + y*y);
+}
+
+/*!
+    \since 4.4
+
+    Returns the angle of the line in degrees.
+
+    Positive values for the angles mean counter-clockwise while negative values
+    mean the clockwise direction. Zero degrees is at the 3 o'clock position.
+
+    \sa setAngle()
+*/
+qreal QLineF::angle() const
+{
+    const qreal dx = pt2.x() - pt1.x();
+    const qreal dy = pt2.y() - pt1.y();
+
+    const qreal theta = atan2(-dy, dx) * 360.0 / M_2PI;
+
+    const qreal theta_normalized = theta < 0 ? theta + 360 : theta;
+
+    if (qFuzzyCompare(theta_normalized, qreal(360)))
+        return qreal(0);
+    else
+        return theta_normalized;
+}
+
+/*!
+    \since 4.4
+
+    Sets the angle of the line to the given \a angle (in degrees).
+    This will change the position of the second point of the line such that
+    the line has the given angle.
+
+    Positive values for the angles mean counter-clockwise while negative values
+    mean the clockwise direction. Zero degrees is at the 3 o'clock position.
+
+    \sa angle()
+*/
+void QLineF::setAngle(qreal angle)
+{
+    const qreal angleR = angle * M_2PI / 360.0;
+    const qreal l = length();
+
+    const qreal dx = qCos(angleR) * l;
+    const qreal dy = -qSin(angleR) * l;
+
+    pt2.rx() = pt1.x() + dx;
+    pt2.ry() = pt1.y() + dy;
+}
+
+/*!
+    \since 4.4
+
+    Returns a QLineF with the given \a length and \a angle.
+
+    The first point of the line will be on the origin.
+
+    Positive values for the angles mean counter-clockwise while negative values
+    mean the clockwise direction. Zero degrees is at the 3 o'clock position.
+*/
+QLineF QLineF::fromPolar(qreal length, qreal angle)
+{
+    const qreal angleR = angle * M_2PI / 360.0;
+    return QLineF(0, 0, qCos(angleR) * length, -qSin(angleR) * length);
+}
+
+/*!
+    Returns the unit vector for this line, i.e a line starting at the
+    same point as \e this line with a length of 1.0.
+
+    \sa normalVector()
+*/
+QLineF QLineF::unitVector() const
+{
+    qreal x = pt2.x() - pt1.x();
+    qreal y = pt2.y() - pt1.y();
+
+    qreal len = qSqrt(x*x + y*y);
+    QLineF f(p1(), QPointF(pt1.x() + x/len, pt1.y() + y/len));
+
+#ifndef QT_NO_DEBUG
+    if (qAbs(f.length() - 1) >= 0.001)
+        qWarning("QLine::unitVector: New line does not have unit length");
+#endif
+
+    return f;
+}
+
+/*!
+    \fn QLineF::IntersectType QLineF::intersect(const QLineF &line, QPointF *intersectionPoint) const
+
+    Returns a value indicating whether or not \e this line intersects
+    with the given \a line.
+
+    The actual intersection point is extracted to \a intersectionPoint
+    (if the pointer is valid). If the lines are parallel, the
+    intersection point is undefined.
+*/
+
+QLineF::IntersectType QLineF::intersect(const QLineF &l, QPointF *intersectionPoint) const
+{
+    // ipmlementation is based on Graphics Gems III's "Faster Line Segment Intersection"
+    const QPointF a = pt2 - pt1;
+    const QPointF b = l.pt1 - l.pt2;
+    const QPointF c = pt1 - l.pt1;
+
+    const qreal denominator = a.y() * b.x() - a.x() * b.y();
+    if (denominator == 0 || !qt_is_finite(denominator))
+        return NoIntersection;
+
+    const qreal reciprocal = 1 / denominator;
+    const qreal na = (b.y() * c.x() - b.x() * c.y()) * reciprocal;
+    if (intersectionPoint)
+        *intersectionPoint = pt1 + a * na;
+
+    if (na < 0 || na > 1)
+        return UnboundedIntersection;
+
+    const qreal nb = (a.x() * c.y() - a.y() * c.x()) * reciprocal;
+    if (nb < 0 || nb > 1)
+        return UnboundedIntersection;
+
+    return BoundedIntersection;
+}
+
+/*!
+    \fn void QLineF::translate(const QPointF &offset)
+
+    Translates this line by the given \a offset.
+*/
+
+/*!
+    \fn void QLineF::translate(qreal dx, qreal dy)
+    \overload
+
+    Translates this line the distance specified by \a dx and \a dy.
+*/
+
+/*!
+    \fn QLineF QLineF::translated(const QPointF &offset) const
+
+    \since 4.4
+
+    Returns this line translated by the given \a offset.
+*/
+
+/*!
+    \fn QLineF QLineF::translated(qreal dx, qreal dy) const
+    \overload
+    \since 4.4
+
+    Returns this line translated the distance specified by \a dx and \a dy.
+*/
+
+/*!
+    \fn void QLineF::setP1(const QPointF &p1)
+    \since 4.4
+
+    Sets the starting point of this line to \a p1.
+
+    \sa setP2(), p1()
+*/
+
+
+/*!
+    \fn void QLineF::setP2(const QPointF &p2)
+    \since 4.4
+
+    Sets the end point of this line to \a p2.
+
+    \sa setP1(), p2()
+*/
+
+
+/*!
+    \fn void QLineF::setPoints(const QPointF &p1, const QPointF &p2)
+    \since 4.4
+
+    Sets the start point of this line to \a p1 and the end point of this line to \a p2.
+
+    \sa setP1(), setP2(), p1(), p2()
+*/
+
+
+/*!
+    \fn void QLineF::setLine(qreal x1, qreal y1, qreal x2, qreal y2)
+    \since 4.4
+
+    Sets this line to the start in \a x1, \a y1 and end in \a x2, \a y2.
+
+    \sa setP1(), setP2(), p1(), p2()
+*/
+
+/*!
+  \fn qreal QLineF::angleTo(const QLineF &line) const
+
+  \since 4.4
+
+  Returns the angle (in degrees) from this line to the given \a
+  line, taking the direction of the lines into account. If the lines
+  do not intersect within their range, it is the intersection point of
+  the extended lines that serves as origin (see
+  QLineF::UnboundedIntersection).
+
+  The returned value represents the number of degrees you need to add
+  to this line to make it have the same angle as the given \a line,
+  going counter-clockwise.
+
+  \sa intersect()
+*/
+qreal QLineF::angleTo(const QLineF &l) const
+{
+    if (isNull() || l.isNull())
+        return 0;
+
+    const qreal a1 = angle();
+    const qreal a2 = l.angle();
+
+    const qreal delta = a2 - a1;
+    const qreal delta_normalized = delta < 0 ? delta + 360 : delta;
+
+    if (qFuzzyCompare(delta, qreal(360)))
+        return 0;
+    else
+        return delta_normalized;
+}
+
+/*!
+  \fn qreal QLineF::angle(const QLineF &line) const
+
+  \obsolete
+
+  Returns the angle (in degrees) between this line and the given \a
+  line, taking the direction of the lines into account. If the lines
+  do not intersect within their range, it is the intersection point of
+  the extended lines that serves as origin (see
+  QLineF::UnboundedIntersection).
+
+  \table
+  \row
+  \o \inlineimage qlinef-angle-identicaldirection.png
+  \o \inlineimage qlinef-angle-oppositedirection.png
+  \endtable
+
+  When the lines are parallel, this function returns 0 if they have
+  the same direction; otherwise it returns 180.
+
+  \sa intersect()
+*/
+qreal QLineF::angle(const QLineF &l) const
+{
+    if (isNull() || l.isNull())
+        return 0;
+    qreal cos_line = (dx()*l.dx() + dy()*l.dy()) / (length()*l.length());
+    qreal rad = 0;
+    // only accept cos_line in the range [-1,1], if it is outside, use 0 (we return 0 rather than PI for those cases)
+    if (cos_line >= -1.0 && cos_line <= 1.0) rad = acos( cos_line );
+    return rad * 360 / M_2PI;
+}
+
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug d, const QLineF &p)
+{
+    d << "QLineF(" << p.p1() << "," << p.p2() << ")";
+    return d;
+}
+#endif
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    \relates QLineF
+
+    Writes the given \a line to the given \a stream and returns a
+    reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator<<(QDataStream &stream, const QLineF &line)
+{
+    stream << line.p1() << line.p2();
+    return stream;
+}
+
+/*!
+    \relates QLineF
+
+    Reads a line from the given \a stream into the given \a line and
+    returns a reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator>>(QDataStream &stream, QLineF &line)
+{
+    QPointF start, end;
+    stream >> start;
+    stream >> end;
+    line = QLineF(start, end);
+
+    return stream;
+}
+
+#endif // QT_NO_DATASTREAM
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qline.h b/src/corelib/tools/qline.h
new file mode 100644
index 0000000000..e4c8c27795
--- /dev/null
+++ b/src/corelib/tools/qline.h
@@ -0,0 +1,424 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLINE_H
+#define QLINE_H
+
+#include <QtCore/qpoint.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+/*******************************************************************************
+ * class QLine
+ *******************************************************************************/
+
+class Q_CORE_EXPORT QLine
+{
+public:
+    inline QLine();
+    inline QLine(const QPoint &pt1, const QPoint &pt2);
+    inline QLine(int x1, int y1, int x2, int y2);
+
+    inline bool isNull() const;
+
+    inline QPoint p1() const;
+    inline QPoint p2() const;
+
+    inline int x1() const;
+    inline int y1() const;
+
+    inline int x2() const;
+    inline int y2() const;
+
+    inline int dx() const;
+    inline int dy() const;
+
+    inline void translate(const QPoint &p);
+    inline void translate(int dx, int dy);
+
+    inline QLine translated(const QPoint &p) const;
+    inline QLine translated(int dx, int dy) const;
+
+    inline void setP1(const QPoint &p1);
+    inline void setP2(const QPoint &p2);
+    inline void setPoints(const QPoint &p1, const QPoint &p2);
+    inline void setLine(int x1, int y1, int x2, int y2);
+
+    inline bool operator==(const QLine &d) const;
+    inline bool operator!=(const QLine &d) const { return !(*this == d); }
+
+private:
+    QPoint pt1, pt2;
+};
+Q_DECLARE_TYPEINFO(QLine, Q_MOVABLE_TYPE);
+
+/*******************************************************************************
+ * class QLine inline members
+ *******************************************************************************/
+
+inline QLine::QLine() { }
+
+inline QLine::QLine(const QPoint &pt1_, const QPoint &pt2_) : pt1(pt1_), pt2(pt2_) { }
+
+inline QLine::QLine(int x1pos, int y1pos, int x2pos, int y2pos) : pt1(QPoint(x1pos, y1pos)), pt2(QPoint(x2pos, y2pos)) { }
+
+inline bool QLine::isNull() const
+{
+    return pt1 == pt2;
+}
+
+inline int QLine::x1() const
+{
+    return pt1.x();
+}
+
+inline int QLine::y1() const
+{
+    return pt1.y();
+}
+
+inline int QLine::x2() const
+{
+    return pt2.x();
+}
+
+inline int QLine::y2() const
+{
+    return pt2.y();
+}
+
+inline QPoint QLine::p1() const
+{
+    return pt1;
+}
+
+inline QPoint QLine::p2() const
+{
+    return pt2;
+}
+
+inline int QLine::dx() const
+{
+    return pt2.x() - pt1.x();
+}
+
+inline int QLine::dy() const
+{
+    return pt2.y() - pt1.y();
+}
+
+inline void QLine::translate(const QPoint &point)
+{
+    pt1 += point;
+    pt2 += point;
+}
+
+inline void QLine::translate(int adx, int ady)
+{
+    this->translate(QPoint(adx, ady));
+}
+
+inline QLine QLine::translated(const QPoint &p) const
+{
+    return QLine(pt1 + p, pt2 + p);
+}
+
+inline QLine QLine::translated(int adx, int ady) const
+{
+    return translated(QPoint(adx, ady));
+}
+
+inline void QLine::setP1(const QPoint &aP1)
+{
+    pt1 = aP1;
+}
+
+inline void QLine::setP2(const QPoint &aP2)
+{
+    pt2 = aP2;
+}
+
+inline void QLine::setPoints(const QPoint &aP1, const QPoint &aP2)
+{
+    pt1 = aP1;
+    pt2 = aP2;
+}
+
+inline void QLine::setLine(int aX1, int aY1, int aX2, int aY2)
+{
+    pt1 = QPoint(aX1, aY1);
+    pt2 = QPoint(aX2, aY2);
+}
+
+inline bool QLine::operator==(const QLine &d) const
+{
+    return pt1 == d.pt1 && pt2 == d.pt2;
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug d, const QLine &p);
+#endif
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QLine &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QLine &);
+#endif
+
+/*******************************************************************************
+ * class QLineF
+ *******************************************************************************/
+class Q_CORE_EXPORT QLineF {
+public:
+
+    enum IntersectType { NoIntersection, BoundedIntersection, UnboundedIntersection };
+
+    inline QLineF();
+    inline QLineF(const QPointF &pt1, const QPointF &pt2);
+    inline QLineF(qreal x1, qreal y1, qreal x2, qreal y2);
+    inline QLineF(const QLine &line) : pt1(line.p1()), pt2(line.p2()) { }
+
+    static QLineF fromPolar(qreal length, qreal angle);
+
+    bool isNull() const;
+
+    inline QPointF p1() const;
+    inline QPointF p2() const;
+
+    inline qreal x1() const;
+    inline qreal y1() const;
+
+    inline qreal x2() const;
+    inline qreal y2() const;
+
+    inline qreal dx() const;
+    inline qreal dy() const;
+
+    qreal length() const;
+    void setLength(qreal len);
+
+    qreal angle() const;
+    void setAngle(qreal angle);
+
+    qreal angleTo(const QLineF &l) const;
+
+    QLineF unitVector() const;
+    QLineF normalVector() const;
+
+    // ### Qt 5: rename intersects() or intersection() and rename IntersectType IntersectionType
+    IntersectType intersect(const QLineF &l, QPointF *intersectionPoint) const;
+
+    qreal angle(const QLineF &l) const;
+
+    QPointF pointAt(qreal t) const;
+    inline void translate(const QPointF &p);
+    inline void translate(qreal dx, qreal dy);
+
+    inline QLineF translated(const QPointF &p) const;
+    inline QLineF translated(qreal dx, qreal dy) const;
+
+    inline void setP1(const QPointF &p1);
+    inline void setP2(const QPointF &p2);
+    inline void setPoints(const QPointF &p1, const QPointF &p2);
+    inline void setLine(qreal x1, qreal y1, qreal x2, qreal y2);
+
+    inline bool operator==(const QLineF &d) const;
+    inline bool operator!=(const QLineF &d) const { return !(*this == d); }
+
+    QLine toLine() const;
+
+private:
+    QPointF pt1, pt2;
+};
+Q_DECLARE_TYPEINFO(QLineF, Q_MOVABLE_TYPE);
+
+/*******************************************************************************
+ * class QLineF inline members
+ *******************************************************************************/
+
+inline QLineF::QLineF()
+{
+}
+
+inline QLineF::QLineF(const QPointF &apt1, const QPointF &apt2)
+    : pt1(apt1), pt2(apt2)
+{
+}
+
+inline QLineF::QLineF(qreal x1pos, qreal y1pos, qreal x2pos, qreal y2pos)
+    : pt1(x1pos, y1pos), pt2(x2pos, y2pos)
+{
+}
+
+inline qreal QLineF::x1() const
+{
+    return pt1.x();
+}
+
+inline qreal QLineF::y1() const
+{
+    return pt1.y();
+}
+
+inline qreal QLineF::x2() const
+{
+    return pt2.x();
+}
+
+inline qreal QLineF::y2() const
+{
+    return pt2.y();
+}
+
+inline QPointF QLineF::p1() const
+{
+    return pt1;
+}
+
+inline QPointF QLineF::p2() const
+{
+    return pt2;
+}
+
+inline qreal QLineF::dx() const
+{
+    return pt2.x() - pt1.x();
+}
+
+inline qreal QLineF::dy() const
+{
+    return pt2.y() - pt1.y();
+}
+
+inline QLineF QLineF::normalVector() const
+{
+    return QLineF(p1(), p1() + QPointF(dy(), -dx()));
+}
+
+inline void QLineF::translate(const QPointF &point)
+{
+    pt1 += point;
+    pt2 += point;
+}
+
+inline void QLineF::translate(qreal adx, qreal ady)
+{
+    this->translate(QPointF(adx, ady));
+}
+
+inline QLineF QLineF::translated(const QPointF &p) const
+{
+    return QLineF(pt1 + p, pt2 + p);
+}
+
+inline QLineF QLineF::translated(qreal adx, qreal ady) const
+{
+    return translated(QPointF(adx, ady));
+}
+
+inline void QLineF::setLength(qreal len)
+{
+    if (isNull())
+        return;
+    QLineF v = unitVector();
+    pt2 = QPointF(pt1.x() + v.dx() * len, pt1.y() + v.dy() * len);
+}
+
+inline QPointF QLineF::pointAt(qreal t) const
+{
+    qreal vx = pt2.x() - pt1.x();
+    qreal vy = pt2.y() - pt1.y();
+    return QPointF(pt1.x() + vx * t, pt1.y() + vy * t);
+}
+
+inline QLine QLineF::toLine() const
+{
+    return QLine(pt1.toPoint(), pt2.toPoint());
+}
+
+
+inline void QLineF::setP1(const QPointF &aP1)
+{
+    pt1 = aP1;
+}
+
+inline void QLineF::setP2(const QPointF &aP2)
+{
+    pt2 = aP2;
+}
+
+inline void QLineF::setPoints(const QPointF &aP1, const QPointF &aP2)
+{
+    pt1 = aP1;
+    pt2 = aP2;
+}
+
+inline void QLineF::setLine(qreal aX1, qreal aY1, qreal aX2, qreal aY2)
+{
+    pt1 = QPointF(aX1, aY1);
+    pt2 = QPointF(aX2, aY2);
+}
+
+
+inline bool QLineF::operator==(const QLineF &d) const
+{
+    return pt1 == d.pt1 && pt2 == d.pt2;
+}
+
+
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug d, const QLineF &p);
+#endif
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QLineF &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QLineF &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QLINE_H
diff --git a/src/corelib/tools/qlinkedlist.cpp b/src/corelib/tools/qlinkedlist.cpp
new file mode 100644
index 0000000000..a3cbecc99d
--- /dev/null
+++ b/src/corelib/tools/qlinkedlist.cpp
@@ -0,0 +1,1158 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qlinkedlist.h"
+
+QT_BEGIN_NAMESPACE
+
+QLinkedListData QLinkedListData::shared_null = {
+    &QLinkedListData::shared_null, &QLinkedListData::shared_null,
+    Q_BASIC_ATOMIC_INITIALIZER(1), 0, true
+};
+
+/*! \class QLinkedList
+    \brief The QLinkedList class is a template class that provides linked lists.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QLinkedList\<T\> is one of Qt's generic \l{container classes}. It
+    stores a list of values and provides iterator-based access as
+    well as \l{constant time} insertions and removals.
+
+    QList\<T\>, QLinkedList\<T\>, and QVector\<T\> provide similar
+    functionality. Here's an overview:
+
+    \list
+    \i For most purposes, QList is the right class to use. Its
+       index-based API is more convenient than QLinkedList's
+       iterator-based API, and it is usually faster than
+       QVector because of the way it stores its items in
+       memory (see \l{Algorithmic Complexity} for details).
+       It also expands to less code in your executable.
+    \i If you need a real linked list, with guarantees of \l{constant
+       time} insertions in the middle of the list and iterators to
+       items rather than indexes, use QLinkedList.
+    \i If you want the items to occupy adjacent memory positions,
+       use QVector.
+    \endlist
+
+    Here's an example of a QLinkedList that stores integers and a
+    QLinkedList that stores QTime values:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 0
+
+    QLinkedList stores a list of items. The default constructor
+    creates an empty list. To insert items into the list, you can use
+    operator<<():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 1
+
+    If you want to get the first or last item in a linked list, use
+    first() or last(). If you want to remove an item from either end
+    of the list, use removeFirst() or removeLast(). If you want to
+    remove all occurrences of a given value in the list, use
+    removeAll().
+
+    A common requirement is to remove the first or last item in the
+    list and do something with it. For this, QLinkedList provides
+    takeFirst() and takeLast(). Here's a loop that removes the items
+    from a list one at a time and calls \c delete on them:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 2
+
+    QLinkedList's value type must be an \l {assignable data type}. This
+    covers most data types that are commonly used, but the compiler
+    won't let you, for example, store a QWidget as a value; instead,
+    store a QWidget *. A few functions have additional requirements;
+    for example, contains() and removeAll() expect the value type to
+    support \c operator==().  These requirements are documented on a
+    per-function basis.
+
+    If you want to insert, modify, or remove items in the middle of
+    the list, you must use an iterator. QLinkedList provides both
+    \l{Java-style iterators} (QLinkedListIterator and
+    QMutableLinkedListIterator) and \l{STL-style iterators}
+    (QLinkedList::const_iterator and QLinkedList::iterator). See the
+    documentation for these classes for details.
+
+    \sa QLinkedListIterator, QMutableLinkedListIterator, QList, QVector
+*/
+
+/*! \fn QLinkedList::QLinkedList()
+
+    Constructs an empty list.
+*/
+
+/*! \fn QLinkedList::QLinkedList(const QLinkedList<T> &other)
+
+    Constructs a copy of \a other.
+
+    This operation occurs in \l{constant time}, because QLinkedList
+    is \l{implicitly shared}. This makes returning a QLinkedList from
+    a function very fast. If a shared instance is modified, it will
+    be copied (copy-on-write), and this takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*! \fn QLinkedList::~QLinkedList()
+
+    Destroys the list. References to the values in the list, and all
+    iterators over this list, become invalid.
+*/
+
+/*! \fn QLinkedList<T> &QLinkedList::operator=(const QLinkedList<T> &other)
+
+    Assigns \a other to this list and returns a reference to this
+    list.
+*/
+
+/*! \fn bool QLinkedList::operator==(const QLinkedList<T> &other) const
+
+    Returns true if \a other is equal to this list; otherwise returns
+    false.
+
+    Two lists are considered equal if they contain the same values in
+    the same order.
+
+    This function requires the value type to implement \c
+    operator==().
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QLinkedList::operator!=(const QLinkedList<T> &other) const
+
+    Returns true if \a other is not equal to this list; otherwise
+    returns false.
+
+    Two lists are considered equal if they contain the same values in
+    the same order.
+
+    This function requires the value type to implement \c
+    operator==().
+
+    \sa operator==()
+*/
+
+/*! \fn int QLinkedList::size() const
+
+    Returns the number of items in the list.
+
+    \sa isEmpty(), count()
+*/
+
+/*! \fn void QLinkedList::detach()
+
+    \internal
+*/
+
+/*! \fn bool QLinkedList::isDetached() const
+
+    \internal
+*/
+
+/*! \fn void QLinkedList::setSharable(bool sharable)
+
+    \internal
+*/
+
+/*! \fn bool QLinkedList::isEmpty() const
+
+    Returns true if the list contains no items; otherwise returns
+    false.
+
+    \sa size()
+*/
+
+/*! \fn void QLinkedList::clear()
+
+    Removes all the items in the list.
+
+    \sa removeAll()
+*/
+
+/*! \fn void QLinkedList::append(const T &value)
+
+    Inserts \a value at the end of the list.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 3
+
+    This is the same as list.insert(end(), \a value).
+
+    \sa operator<<(), prepend(), insert()
+*/
+
+/*! \fn void QLinkedList::prepend(const T &value)
+
+    Inserts \a value at the beginning of the list.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 4
+
+    This is the same as list.insert(begin(), \a value).
+
+    \sa append(), insert()
+*/
+
+/*! \fn int QLinkedList::removeAll(const T &value)
+
+    Removes all occurrences of \a value in the list.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 5
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa insert()
+*/
+
+/*! 
+    \fn bool QLinkedList::removeOne(const T &value)
+    \since 4.4
+
+    Removes the first occurrences of \a value in the list. Returns true on
+    success; otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 6
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa insert()
+*/
+
+/*! \fn bool QLinkedList::contains(const T &value) const
+
+    Returns true if the list contains an occurrence of \a value;
+    otherwise returns false.
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa QLinkedListIterator::findNext(), QLinkedListIterator::findPrevious()
+*/
+
+/*! \fn int QLinkedList::count(const T &value) const
+
+    Returns the number of occurrences of \a value in the list.
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa contains()
+*/
+
+/*! \fn bool QLinkedList::startsWith(const T &value) const
+    \since 4.5
+
+    Returns true if the list is not empty and its first
+    item is equal to \a value; otherwise returns false.
+
+    \sa isEmpty(), first()
+*/
+
+/*! \fn bool QLinkedList::endsWith(const T &value) const
+    \since 4.5
+
+    Returns true if the list is not empty and its last
+    item is equal to \a value; otherwise returns false.
+
+    \sa isEmpty(), last()
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::begin()
+
+    Returns an \l{STL-style iterator} pointing to the first item in
+    the list.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QLinkedList::const_iterator QLinkedList::begin() const
+
+    \overload
+*/
+
+/*! \fn QLinkedList::const_iterator QLinkedList::constBegin() const
+
+    Returns a const \l{STL-style iterator} pointing to the first item
+    in the list.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::end()
+
+    Returns an \l{STL-style iterator} pointing to the imaginary item
+    after the last item in the list.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QLinkedList::const_iterator QLinkedList::end() const
+
+    \overload
+*/
+
+/*! \fn QLinkedList::const_iterator QLinkedList::constEnd() const
+
+    Returns a const \l{STL-style iterator} pointing to the imaginary
+    item after the last item in the list.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::insert(iterator before, const T &value)
+
+    Inserts \a value in front of the item pointed to by the iterator
+    \a before. Returns an iterator pointing at the inserted item.
+
+    \sa erase()
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::erase(iterator pos)
+
+    Removes the item pointed to by the iterator \a pos from the list,
+    and returns an iterator to the next item in the list (which may be
+    end()).
+
+    \sa insert()
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::erase(iterator begin, iterator end)
+
+    \overload
+
+    Removes all the items from \a begin up to (but not including) \a
+    end.
+*/
+
+/*! \typedef QLinkedList::Iterator
+
+    Qt-style synonym for QLinkedList::iterator.
+*/
+
+/*! \typedef QLinkedList::ConstIterator
+
+    Qt-style synonym for QLinkedList::const_iterator.
+*/
+
+/*!
+    \typedef QLinkedList::size_type
+
+    Typedef for int. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QLinkedList::value_type
+
+    Typedef for T. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QLinkedList::pointer
+
+    Typedef for T *. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QLinkedList::const_pointer
+
+    Typedef for const T *. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QLinkedList::reference
+
+    Typedef for T &. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QLinkedList::const_reference
+
+    Typedef for const T &. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QLinkedList::difference_type
+
+    Typedef for ptrdiff_t. Provided for STL compatibility.
+*/
+
+/*! \fn int QLinkedList::count() const
+
+    Same as size().
+*/
+
+/*! \fn T& QLinkedList::first()
+
+    Returns a reference to the first item in the list. This function
+    assumes that the list isn't empty.
+
+    \sa last(), isEmpty()
+*/
+
+/*! \fn const T& QLinkedList::first() const
+
+    \overload
+*/
+
+/*! \fn T& QLinkedList::last()
+
+    Returns a reference to the last item in the list. This function
+    assumes that the list isn't empty.
+
+    \sa first(), isEmpty()
+*/
+
+/*! \fn const T& QLinkedList::last() const
+
+    \overload
+*/
+
+/*! \fn void QLinkedList::removeFirst()
+
+    Removes the first item in the list.
+
+    This is the same as erase(begin()).
+
+    \sa removeLast(), erase()
+*/
+
+/*! \fn void QLinkedList::removeLast()
+
+    Removes the last item in the list.
+
+    \sa removeFirst(), erase()
+*/
+
+/*! \fn T QLinkedList::takeFirst()
+
+    Removes the first item in the list and returns it.
+
+    If you don't use the return value, removeFirst() is more
+    efficient.
+
+    \sa takeLast(), removeFirst()
+*/
+
+/*! \fn T QLinkedList::takeLast()
+
+    Removes the last item in the list and returns it.
+
+    If you don't use the return value, removeLast() is more
+    efficient.
+
+    \sa takeFirst(), removeLast()
+*/
+
+/*! \fn void QLinkedList::push_back(const T &value)
+
+    This function is provided for STL compatibility. It is equivalent
+    to append(\a value).
+*/
+
+/*! \fn void QLinkedList::push_front(const T &value)
+
+    This function is provided for STL compatibility. It is equivalent
+    to prepend(\a value).
+*/
+
+/*! \fn T& QLinkedList::front()
+
+    This function is provided for STL compatibility. It is equivalent
+    to first().
+*/
+
+/*! \fn const T& QLinkedList::front() const
+
+    \overload
+*/
+
+/*! \fn T& QLinkedList::back()
+
+    This function is provided for STL compatibility. It is equivalent
+    to last().
+*/
+
+/*! \fn const T& QLinkedList::back() const
+
+    \overload
+*/
+
+/*! \fn void QLinkedList::pop_front()
+
+    This function is provided for STL compatibility. It is equivalent
+    to removeFirst().
+*/
+
+/*! \fn void QLinkedList::pop_back()
+
+    This function is provided for STL compatibility. It is equivalent
+    to removeLast().
+*/
+
+/*! \fn bool QLinkedList::empty() const
+
+    This function is provided for STL compatibility. It is equivalent
+    to isEmpty() and returns true if the list is empty.
+*/
+
+/*! \fn QLinkedList<T> &QLinkedList::operator+=(const QLinkedList<T> &other)
+
+    Appends the items of the \a other list to this list and returns a
+    reference to this list.
+
+    \sa operator+(), append()
+*/
+
+/*! \fn void QLinkedList::operator+=(const T &value)
+
+    \overload
+
+    Appends \a value to the list.
+*/
+
+/*! \fn QLinkedList<T> QLinkedList::operator+(const QLinkedList<T> &other) const
+
+    Returns a list that contains all the items in this list followed
+    by all the items in the \a other list.
+
+    \sa operator+=()
+*/
+
+/*! \fn QLinkedList<T> &QLinkedList::operator<<(const QLinkedList<T> &other)
+
+    Appends the items of the \a other list to this list and returns a
+    reference to this list.
+
+    \sa operator+=(), append()
+*/
+
+/*! \fn QLinkedList<T> &QLinkedList::operator<<(const T &value)
+
+    \overload
+
+    Appends \a value to the list.
+*/
+
+/*! \class QLinkedList::iterator
+    \brief The QLinkedList::iterator class provides an STL-style non-const iterator for QLinkedList.
+
+    QLinkedList features both \l{STL-style iterators} and
+    \l{Java-style iterators}. The STL-style iterators are more
+    low-level and more cumbersome to use; on the other hand, they are
+    slightly faster and, for developers who already know STL, have
+    the advantage of familiarity.
+
+    QLinkedList\<T\>::iterator allows you to iterate over a
+    QLinkedList\<T\> and to modify the list item associated with the
+    iterator. If you want to iterate over a const QLinkedList, use
+    QLinkedList::const_iterator instead. It is generally good
+    practice to use QLinkedList::const_iterator on a non-const
+    QLinkedList as well, unless you need to change the QLinkedList
+    through the iterator. Const iterators are slightly faster, and
+    can improve code readability.
+
+    The default QLinkedList::iterator constructor creates an
+    uninitialized iterator. You must initialize it using a
+    function like QLinkedList::begin(), QLinkedList::end(), or
+    QLinkedList::insert() before you can start iterating. Here's a
+    typical loop that prints all the items stored in a list:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 7
+
+    STL-style iterators can be used as arguments to \l{generic
+    algorithms}. For example, here's how to find an item in the list
+    using the qFind() algorithm:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 8
+
+    Let's see a few examples of things we can do with a
+    QLinkedList::iterator that we cannot do with a QLinkedList::const_iterator.
+    Here's an example that increments every value stored in a
+    QLinkedList\<int\> by 2:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 9
+
+    Here's an example that removes all the items that start with an
+    underscore character in a QLinkedList\<QString\>:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 10
+
+    The call to QLinkedList::erase() removes the item pointed to by
+    the iterator from the list, and returns an iterator to the next
+    item. Here's another way of removing an item while iterating:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 11
+
+    It might be tempting to write code like this:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 12
+
+    However, this will potentially crash in \c{++i}, because \c i is
+    a dangling iterator after the call to erase().
+
+    Multiple iterators can be used on the same list. If you add items
+    to the list, existing iterators will remain valid. If you remove
+    items from the list, iterators that point to the removed items
+    will become dangling iterators. However, because of how \l{implicit
+    sharing} works, you must not take a copy of a container while
+    iterators are active on that container.
+
+    \sa QLinkedList::const_iterator, QMutableLinkedListIterator
+*/
+
+/*! \fn QLinkedList::iterator::iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like operator*() and operator++() should not be called
+    on an uninitialized iterartor. Use operator=() to assign a value
+    to it before using it.
+
+    \sa QLinkedList::begin() QLinkedList::end()
+*/
+
+/*! \fn QLinkedList::iterator::iterator(Node *node)
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::iterator::iterator_category
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::iterator::difference_type
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::iterator::value_type
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::iterator::pointer
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::iterator::reference
+
+    \internal
+*/
+
+/*! \fn QLinkedList::iterator::iterator(const iterator &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn QLinkedList::iterator &QLinkedList::iterator::operator=(const iterator &other)
+
+    Assigns \a other to this iterator.
+*/
+
+/*! \fn T &QLinkedList::iterator::operator*() const
+
+    Returns a modifiable reference to the current item.
+
+    You can change the value of an item by using operator*() on the
+    left side of an assignment, for example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 13
+
+    \sa operator->()
+*/
+
+/*! \fn T *QLinkedList::iterator::operator->() const
+
+    Returns a pointer to the current item.
+
+    \sa operator*()
+*/
+
+/*!
+    \fn bool QLinkedList::iterator::operator==(const iterator &other) const
+    \fn bool QLinkedList::iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same item as this
+    iterator; otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*!
+    \fn bool QLinkedList::iterator::operator!=(const iterator &other) const
+    \fn bool QLinkedList::iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different item than this
+    iterator; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*! \fn QLinkedList::iterator &QLinkedList::iterator::operator++()
+
+    The prefix ++ operator (\c{++it}) advances the iterator to the
+    next item in the list and returns an iterator to the new current
+    item.
+
+    Calling this function on QLinkedList::end() leads to undefined
+    results.
+
+    \sa operator--()
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{it++}) advances the iterator to the
+    next item in the list and returns an iterator to the previously
+    current item.
+*/
+
+/*! \fn QLinkedList::iterator &QLinkedList::iterator::operator--()
+
+    The prefix -- operator (\c{--it}) makes the preceding item
+    current and returns an iterator to the new current item.
+
+    Calling this function on QLinkedList::begin() leads to undefined
+    results.
+
+    \sa operator++()
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::iterator::operator--(int)
+
+    \overload
+
+    The postfix -- operator (\c{it--}) makes the preceding item
+    current and returns an iterator to the previously current item.
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::iterator::operator+(int j) const
+
+    Returns an iterator to the item at \a j positions forward from
+    this iterator. (If \a j is negative, the iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-()
+
+*/
+
+/*! \fn QLinkedList::iterator QLinkedList::iterator::operator-(int j) const
+
+    Returns an iterator to the item at \a j positions backward from
+    this iterator. (If \a j is negative, the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+()
+*/
+
+/*! \fn QLinkedList::iterator &QLinkedList::iterator::operator+=(int j)
+
+    Advances the iterator by \a j items. (If \a j is negative, the
+    iterator goes backward.)
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QLinkedList::iterator &QLinkedList::iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j items. (If \a j is negative,
+    the iterator goes forward.)
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \class QLinkedList::const_iterator
+    \brief The QLinkedList::const_iterator class provides an STL-style const iterator for QLinkedList.
+
+    QLinkedList features both \l{STL-style iterators} and
+    \l{Java-style iterators}. The STL-style iterators are more
+    low-level and more cumbersome to use; on the other hand, they are
+    slightly faster and, for developers who already know STL, have
+    the advantage of familiarity.
+
+    QLinkedList\<T\>::const_iterator allows you to iterate over a
+    QLinkedList\<T\>. If you want modify the QLinkedList as you iterate
+    over it, you must use QLinkedList::const_iterator instead. It is
+    generally good practice to use QLinkedList::const_iterator on a
+    non-const QLinkedList as well, unless you need to change the
+    QLinkedList through the iterator. Const iterators are slightly
+    faster, and can improve code readability.
+
+    The default QLinkedList::const_iterator constructor creates an
+    uninitialized iterator. You must initialize it using a function
+    like QLinkedList::constBegin(), QLinkedList::constEnd(), or
+    QLinkedList::insert() before you can start iterating. Here's a
+    typical loop that prints all the items stored in a list:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 14
+
+    STL-style iterators can be used as arguments to \l{generic
+    algorithms}. For example, here's how to find an item in the list
+    using the qFind() algorithm:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 15
+
+    Multiple iterators can be used on the same list. If you add items
+    to the list, existing iterators will remain valid. If you remove
+    items from the list, iterators that point to the removed items
+    will become dangling iterators.
+
+    \sa QLinkedList::iterator, QLinkedListIterator
+*/
+
+/*! \fn QLinkedList::const_iterator::const_iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like operator*() and operator++() should not be called
+    on an uninitialized iterartor. Use operator=() to assign a value
+    to it before using it.
+
+    \sa QLinkedList::constBegin() QLinkedList::constEnd()
+*/
+
+/*! \fn QLinkedList::const_iterator::const_iterator(Node *node)
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::const_iterator::iterator_category
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::const_iterator::difference_type
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::const_iterator::value_type
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::const_iterator::pointer
+
+    \internal
+*/
+
+/*! \typedef QLinkedList::const_iterator::reference
+
+    \internal
+*/
+
+/*! \fn QLinkedList::const_iterator::const_iterator(const const_iterator &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn QLinkedList::const_iterator::const_iterator(iterator other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn QLinkedList::const_iterator &QLinkedList::const_iterator::operator=( \
+            const const_iterator &other)
+
+    Assigns \a other to this iterator.
+*/
+
+/*! \fn const T &QLinkedList::const_iterator::operator*() const
+
+    Returns a reference to the current item.
+
+    \sa operator->()
+*/
+
+/*! \fn const T *QLinkedList::const_iterator::operator->() const
+
+    Returns a pointer to the current item.
+
+    \sa operator*()
+*/
+
+/*! \fn bool QLinkedList::const_iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same item as this
+    iterator; otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QLinkedList::const_iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different item than this
+    iterator; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*! \fn QLinkedList::const_iterator &QLinkedList::const_iterator::operator++()
+
+    The prefix ++ operator (\c{++it}) advances the iterator to the
+    next item in the list and returns an iterator to the new current
+    item.
+
+    Calling this function on QLinkedList::constEnd() leads to
+    undefined results.
+
+    \sa operator--()
+*/
+
+/*! \fn QLinkedList::const_iterator QLinkedList::const_iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{it++}) advances the iterator to the
+    next item in the list and returns an iterator to the previously
+    current item.
+*/
+
+/*! \fn QLinkedList::const_iterator &QLinkedList::const_iterator::operator--()
+
+    The prefix -- operator (\c{--it}) makes the preceding item
+    current and returns an iterator to the new current item.
+
+    Calling this function on QLinkedList::begin() leads to undefined
+    results.
+
+    \sa operator++()
+*/
+
+/*! \fn QLinkedList::const_iterator QLinkedList::const_iterator::operator--(int)
+
+    \overload
+
+    The postfix -- operator (\c{it--}) makes the preceding item
+    current and returns an iterator to the previously current item.
+*/
+
+/*! \fn QLinkedList::const_iterator QLinkedList::const_iterator::operator+(int j) const
+
+    Returns an iterator to the item at \a j positions forward from
+    this iterator. (If \a j is negative, the iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-()
+*/
+
+/*! \fn QLinkedList::const_iterator QLinkedList::const_iterator::operator-(int j) const
+
+    This function returns an iterator to the item at \a j positions backward from
+    this iterator. (If \a j is negative, the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+()
+*/
+
+/*! \fn QLinkedList::const_iterator &QLinkedList::const_iterator::operator+=(int j)
+
+    Advances the iterator by \a j items. (If \a j is negative, the
+    iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QLinkedList::const_iterator &QLinkedList::const_iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j items. (If \a j is negative,
+    the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \fn QDataStream &operator<<(QDataStream &out, const QLinkedList<T> &list)
+    \relates QLinkedList
+
+    Writes the linked list \a list to stream \a out.
+
+    This function requires the value type to implement \c
+    operator<<().
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+/*! \fn QDataStream &operator>>(QDataStream &in, QLinkedList<T> &list)
+    \relates QLinkedList
+
+    Reads a linked list from stream \a in into \a list.
+
+    This function requires the value type to implement \c operator>>().
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+/*!
+    \fn iterator QLinkedList::remove(iterator pos)
+
+    Use erase() instead.
+*/
+
+/*!
+    \fn int QLinkedList::findIndex(const T& t) const
+
+    If you need indexes then QList or QVector are better choices than
+    QLinkedList.
+
+    \oldcode
+    int index = list->findIndex(value);
+    \newcode
+    int index = 0;
+    bool found = false;
+    for (const_iterator i = list->begin(); i != list->end(); ++i; ++index)
+        if (*i == value) {
+            found = true;
+            break;
+        }
+    if (!found)
+        index = -1;
+    \endcode
+*/
+
+/*!
+    \fn iterator QLinkedList::find(iterator from, const T& t)
+
+    If you need random access to a data structure then QList, QVector,
+    QMap, or QHash, are all better choices than QLinkedList.
+
+    \oldcode
+    QLinkedList::iterator i = list->find(from, value);
+    \newcode
+    QLinkedList::iterator i = from;
+    while (i != list->end() && *i != value)
+        ++i;
+    \endcode
+*/
+
+/*!
+    \fn iterator QLinkedList::find(const T& t)
+
+    If you need random access to a data structure then QList, QVector,
+    QMap, or QHash, are all better choices than QLinkedList.
+
+    \oldcode
+    QLinkedList::iterator i = list->find(value);
+    \newcode
+    QLinkedList::iterator i = list->begin();
+    while (i != list->end() && *i != value)
+        ++i;
+    \endcode
+*/
+
+/*!
+    \fn const_iterator QLinkedList::find(const_iterator from, const T& t) const
+
+    If you need random access to a data structure then QList, QVector,
+    QMap, or QHash, are all better choices than QLinkedList.
+
+    \oldcode
+    QLinkedList::const_iterator i = list->find(from, value);
+    \newcode
+    QLinkedList::const_iterator i = from;
+    while (i != list->end() && *i != value)
+        ++i;
+    \endcode
+*/
+
+/*!
+    \fn const_iterator QLinkedList::find(const T& t) const
+
+    If you need random access to a data structure then QList, QVector,
+    QMap, or QHash, are all better choices than QLinkedList.
+
+    \oldcode
+    QLinkedList::const_iterator i = list->find(value);
+    \newcode
+    QLinkedList::const_iterator i = list->begin();
+    while (i != list->end() && *i != value)
+        ++i;
+    \endcode
+*/
+
+/*!
+    \since 4.1
+    \fn QLinkedList<T> QLinkedList<T>::fromStdList(const std::list<T> &list)
+
+    Returns a QLinkedList object with the data contained in \a list.
+    The order of the elements in the QLinkedList is the same as in \a
+    list.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 16
+
+    \sa toStdList()
+*/
+
+/*!
+    \since 4.1
+    \fn std::list<T> QLinkedList<T>::toStdList() const
+
+    Returns a std::list object with the data contained in this
+    QLinkedList. Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlinkedlist.cpp 17
+
+    \sa fromStdList()
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qlinkedlist.h b/src/corelib/tools/qlinkedlist.h
new file mode 100644
index 0000000000..6a8538625b
--- /dev/null
+++ b/src/corelib/tools/qlinkedlist.h
@@ -0,0 +1,504 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLINKEDLIST_H
+#define QLINKEDLIST_H
+
+#include <QtCore/qiterator.h>
+#include <QtCore/qatomic.h>
+
+#ifndef QT_NO_STL
+#include <iterator>
+#include <list>
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+struct Q_CORE_EXPORT QLinkedListData
+{
+    QLinkedListData *n, *p;
+    QBasicAtomicInt ref;
+    int size;
+    uint sharable : 1;
+
+    static QLinkedListData shared_null;
+};
+
+template <typename T>
+struct QLinkedListNode
+{
+    inline QLinkedListNode(const T &arg): t(arg) { }
+    QLinkedListNode *n, *p;
+    T t;
+};
+
+template <class T>
+class QLinkedList
+{
+    typedef QLinkedListNode<T> Node;
+    union { QLinkedListData *d; QLinkedListNode<T> *e; };
+
+public:
+    inline QLinkedList() : d(&QLinkedListData::shared_null) { d->ref.ref(); }
+    inline QLinkedList(const QLinkedList<T> &l) : d(l.d) { d->ref.ref(); if (!d->sharable) detach(); }
+    ~QLinkedList();
+    QLinkedList<T> &operator=(const QLinkedList<T> &);
+    bool operator==(const QLinkedList<T> &l) const;
+    inline bool operator!=(const QLinkedList<T> &l) const { return !(*this == l); }
+
+    inline int size() const { return d->size; }
+    inline void detach()
+    { if (d->ref != 1) detach_helper(); }
+    inline bool isDetached() const { return d->ref == 1; }
+    inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
+
+    inline bool isEmpty() const { return d->size == 0; }
+
+    void clear();
+
+    void append(const T &);
+    void prepend(const T &);
+    T takeFirst();
+    T takeLast();
+    int removeAll(const T &t);
+    bool removeOne(const T &t);
+    bool contains(const T &t) const;
+    int count(const T &t) const;
+
+    class const_iterator;
+
+    class iterator
+    {
+    public:
+        typedef std::bidirectional_iterator_tag  iterator_category;
+        typedef ptrdiff_t  difference_type;
+        typedef T value_type;
+        typedef T *pointer;
+        typedef T &reference;
+        Node *i;
+        inline iterator() : i(0) {}
+        inline iterator(Node *n) : i(n) {}
+        inline iterator(const iterator &o) : i(o.i) {}
+        inline iterator &operator=(const iterator &o) { i = o.i; return *this; }
+        inline T &operator*() const { return i->t; }
+        inline T *operator->() const { return &i->t; }
+        inline bool operator==(const iterator &o) const { return i == o.i; }
+        inline bool operator!=(const iterator &o) const { return i != o.i; }
+        inline bool operator==(const const_iterator &o) const
+            { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const
+            { return i != o.i; }
+        inline iterator &operator++() { i = i->n; return *this; }
+        inline iterator operator++(int) { Node *n = i; i = i->n; return n; }
+        inline iterator &operator--() { i = i->p; return *this; }
+        inline iterator operator--(int) { Node *n = i; i = i->p; return n; }
+        inline iterator operator+(int j) const
+        { Node *n = i; if (j > 0) while (j--) n = n->n; else while (j++) n = n->p; return n; }
+        inline iterator operator-(int j) const { return operator+(-j); }
+        inline iterator &operator+=(int j) { return *this = *this + j; }
+        inline iterator &operator-=(int j) { return *this = *this - j; }
+    };
+    friend class iterator;
+
+    class const_iterator
+    {
+    public:
+        typedef std::bidirectional_iterator_tag  iterator_category;
+        typedef ptrdiff_t  difference_type;
+        typedef T value_type;
+        typedef const T *pointer;
+        typedef const T &reference;
+        Node *i;
+        inline const_iterator() : i(0) {}
+        inline const_iterator(Node *n) : i(n) {}
+        inline const_iterator(const const_iterator &o) : i(o.i){}
+        inline const_iterator(iterator ci) : i(ci.i){}
+	inline const_iterator &operator=(const const_iterator &o) { i = o.i; return *this; }
+        inline const T &operator*() const { return i->t; }
+        inline const T *operator->() const { return &i->t; }
+        inline bool operator==(const const_iterator &o) const { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const { return i != o.i; }
+        inline const_iterator &operator++() { i = i->n; return *this; }
+        inline const_iterator operator++(int) { Node *n = i; i = i->n; return n; }
+        inline const_iterator &operator--() { i = i->p; return *this; }
+        inline const_iterator operator--(int) { Node *n = i; i = i->p; return n; }
+        inline const_iterator operator+(int j) const
+        { Node *n = i; if (j > 0) while (j--) n = n->n; else while (j++) n = n->p; return n; }
+        inline const_iterator operator-(int j) const { return operator+(-j); }
+        inline const_iterator &operator+=(int j) { return *this = *this + j; }
+        inline const_iterator &operator-=(int j) { return *this = *this - j; }
+    };
+    friend class const_iterator;
+
+    // stl style
+    inline iterator begin() { detach(); return e->n; }
+    inline const_iterator begin() const { return e->n; }
+    inline const_iterator constBegin() const { return e->n; }
+    inline iterator end() { detach(); return e; }
+    inline const_iterator end() const { return e; }
+    inline const_iterator constEnd() const { return e; }
+    iterator insert(iterator before, const T &t);
+    iterator erase(iterator pos);
+    iterator erase(iterator first, iterator last);
+
+    // more Qt
+    typedef iterator Iterator;
+    typedef const_iterator ConstIterator;
+    inline int count() const { return d->size; }
+    inline T& first() { Q_ASSERT(!isEmpty()); return *begin(); }
+    inline const T& first() const { Q_ASSERT(!isEmpty()); return *begin(); }
+    T& last() { Q_ASSERT(!isEmpty()); return *(--end()); }
+    const T& last() const { Q_ASSERT(!isEmpty()); return *(--end()); }
+    inline void removeFirst() { Q_ASSERT(!isEmpty()); erase(begin()); }
+    inline void removeLast() { Q_ASSERT(!isEmpty()); erase(--end()); }
+    inline bool startsWith(const T &t) const { return !isEmpty() && first() == t; }
+    inline bool endsWith(const T &t) const { return !isEmpty() && last() == t; }
+
+    // stl compatibility
+    inline void push_back(const T &t) { append(t); }
+    inline void push_front(const T &t) { prepend(t); }
+    inline T& front() { return first(); }
+    inline const T& front() const { return first(); }
+    inline T& back() { return last(); }
+    inline const T& back() const { return last(); }
+    inline void pop_front() { removeFirst(); }
+    inline void pop_back() { removeLast(); }
+    inline bool empty() const { return isEmpty(); }
+    typedef int size_type;
+    typedef T value_type;
+    typedef value_type *pointer;
+    typedef const value_type *const_pointer;
+    typedef value_type &reference;
+    typedef const value_type &const_reference;
+    typedef ptrdiff_t difference_type;
+
+#ifndef QT_NO_STL
+    static inline QLinkedList<T> fromStdList(const std::list<T> &list)
+    { QLinkedList<T> tmp; qCopy(list.begin(), list.end(), std::back_inserter(tmp)); return tmp; }
+    inline std::list<T> toStdList() const
+    { std::list<T> tmp; qCopy(constBegin(), constEnd(), std::back_inserter(tmp)); return tmp; }
+#endif
+
+#ifdef QT3_SUPPORT
+    // compatibility
+    inline QT3_SUPPORT iterator remove(iterator pos) { return erase(pos); }
+    inline QT3_SUPPORT int findIndex(const T& t) const
+    { int i=0; for (const_iterator it = begin(); it != end(); ++it, ++i) if(*it == t) return i; return -1;}
+    inline QT3_SUPPORT iterator find(iterator from, const T& t)
+    { while (from != end() && !(*from == t)) ++from; return from; }
+    inline QT3_SUPPORT iterator find(const T& t)
+    { return find(begin(), t); }
+    inline QT3_SUPPORT const_iterator find(const_iterator from, const T& t) const
+    { while (from != end() && !(*from == t)) ++from; return from; }
+    inline QT3_SUPPORT const_iterator find(const T& t) const
+    { return find(begin(), t); }
+#endif
+
+    // comfort
+    QLinkedList<T> &operator+=(const QLinkedList<T> &l);
+    QLinkedList<T> operator+(const QLinkedList<T> &l) const;
+    inline QLinkedList<T> &operator+=(const T &t) { append(t); return *this; }
+    inline QLinkedList<T> &operator<< (const T &t) { append(t); return *this; }
+    inline QLinkedList<T> &operator<<(const QLinkedList<T> &l) { *this += l; return *this; }
+
+private:
+    void detach_helper();
+    void free(QLinkedListData*);
+};
+
+template <typename T>
+inline QLinkedList<T>::~QLinkedList()
+{
+    if (!d)
+        return;
+    if (!d->ref.deref())
+        free(d);
+}
+
+template <typename T>
+void QLinkedList<T>::detach_helper()
+{
+    union { QLinkedListData *d; Node *e; } x;
+    x.d = new QLinkedListData;
+    x.d->ref = 1;
+    x.d->size = d->size;
+    x.d->sharable = true;
+    Node *i = e->n, *j = x.e;
+    while (i != e) {
+        j->n = new Node(i->t);
+        j->n->p = j;
+        i = i->n;
+        j = j->n;
+    }
+    j->n = x.e;
+    x.e->p = j;
+    if (!d->ref.deref())
+        free(d);
+    d = x.d;
+}
+
+template <typename T>
+void QLinkedList<T>::free(QLinkedListData *x)
+{
+    Node *y = reinterpret_cast<Node*>(x);
+    Node *i = y->n;
+    if (x->ref == 0) {
+        while(i != y) {
+            Node *n = i;
+            i = i->n;
+            delete n;
+        }
+        delete x;
+    }
+}
+
+template <typename T>
+void QLinkedList<T>::clear()
+{
+    *this = QLinkedList<T>();
+}
+
+template <typename T>
+QLinkedList<T> &QLinkedList<T>::operator=(const QLinkedList<T> &l)
+{
+    if (d != l.d) {
+        l.d->ref.ref();
+        if (!d->ref.deref())
+            free(d);
+        d = l.d;
+        if (!d->sharable)
+            detach_helper();
+    }
+    return *this;
+}
+
+template <typename T>
+bool QLinkedList<T>::operator== (const QLinkedList<T> &l) const
+{
+    if (d->size != l.d->size)
+        return false;
+    if (e == l.e)
+        return true;
+    Node *i = e->n;
+    Node *il = l.e->n;
+    while (i != e) {
+        if (! (i->t == il->t))
+            return false;
+        i = i->n;
+        il = il->n;
+    }
+    return true;
+}
+
+template <typename T>
+void QLinkedList<T>::append(const T &t)
+{
+    detach();
+    Node *i = new Node(t);
+    i->n = e;
+    i->p = e->p;
+    i->p->n = i;
+    e->p = i;
+    d->size++;
+}
+
+template <typename T>
+void QLinkedList<T>::prepend(const T &t)
+{
+    detach();
+    Node *i = new Node(t);
+    i->n = e->n;
+    i->p = e;
+    i->n->p = i;
+    e->n = i;
+    d->size++;
+}
+
+template <typename T>
+int QLinkedList<T>::removeAll(const T &_t)
+{
+    detach();
+    const T t = _t;
+    Node *i = e->n;
+    int c = 0;
+    while (i != e) {
+        if (i->t == t) {
+            Node *n = i;
+            i->n->p = i->p;
+            i->p->n = i->n;
+            i = i->n;
+            delete n;
+            c++;
+        } else {
+            i = i->n;
+        }
+    }
+    d->size-=c;
+    return c;
+}
+
+template <typename T>
+bool QLinkedList<T>::removeOne(const T &_t)
+{
+    detach();
+    iterator it = qFind(begin(), end(), _t);
+    if (it != end()) {
+        erase(it);
+        return true;
+    }
+    return false;
+}
+
+template <typename T>
+inline T QLinkedList<T>::takeFirst()
+{
+    T t = first();
+    removeFirst();
+    return t;
+}
+
+template <typename T>
+inline T QLinkedList<T>::takeLast()
+{
+    T t = last();
+    removeLast();
+    return t;
+}
+
+template <typename T>
+bool QLinkedList<T>::contains(const T &t) const
+{
+    Node *i = e;
+    while ((i = i->n) != e)
+        if (i->t == t)
+            return true;
+    return false;
+}
+
+template <typename T>
+int QLinkedList<T>::count(const T &t) const
+{
+    Node *i = e;
+    int c = 0;
+    while ((i = i->n) != e)
+        if (i->t == t)
+            c++;
+    return c;
+}
+
+
+template <typename T>
+typename QLinkedList<T>::iterator QLinkedList<T>::insert(iterator before, const T &t)
+{
+    Node *i = before.i;
+    Node *m = new Node(t);
+    m->n = i;
+    m->p = i->p;
+    m->p->n = m;
+    i->p = m;
+    d->size++;
+    return m;
+}
+
+template <typename T>
+typename QLinkedList<T>::iterator QLinkedList<T>::erase(typename QLinkedList<T>::iterator afirst,
+                                                         typename QLinkedList<T>::iterator alast)
+{
+    while (afirst != alast)
+        erase(afirst++);
+    return alast;
+}
+
+
+template <typename T>
+typename QLinkedList<T>::iterator QLinkedList<T>::erase(iterator pos)
+{
+    detach();
+    Node *i = pos.i;
+    if (i != e) {
+        Node *n = i;
+        i->n->p = i->p;
+        i->p->n = i->n;
+        i = i->n;
+        delete n;
+        d->size--;
+    }
+    return i;
+}
+
+template <typename T>
+QLinkedList<T> &QLinkedList<T>::operator+=(const QLinkedList<T> &l)
+{
+    detach();
+    int n = l.d->size;
+    d->size += n;
+    Node *o = l.e->n;
+    while (n--) {
+        Node *i = new Node(o->t);
+        o = o->n;
+        i->n = e;
+        i->p = e->p;
+        i->p->n = i;
+        e->p = i;
+    }
+    return *this;
+}
+
+template <typename T>
+QLinkedList<T> QLinkedList<T>::operator+(const QLinkedList<T> &l) const
+{
+    QLinkedList<T> n = *this;
+    n += l;
+    return n;
+}
+
+Q_DECLARE_SEQUENTIAL_ITERATOR(LinkedList)
+Q_DECLARE_MUTABLE_SEQUENTIAL_ITERATOR(LinkedList)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QLINKEDLIST_H
diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
new file mode 100644
index 0000000000..3c21ec12a2
--- /dev/null
+++ b/src/corelib/tools/qlist.h
@@ -0,0 +1,691 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLIST_H
+#define QLIST_H
+
+#include <QtCore/qiterator.h>
+#include <QtCore/qatomic.h>
+#include <QtCore/qalgorithms.h>
+
+#ifndef QT_NO_STL
+#include <iterator>
+#include <list>
+#endif
+
+#include <new>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <typename T> class QVector;
+template <typename T> class QSet;
+
+struct Q_CORE_EXPORT QListData {
+    struct Data {
+        QBasicAtomicInt ref;
+        int alloc, begin, end;
+        uint sharable : 1;
+        void *array[1];
+    };
+    enum { DataHeaderSize = sizeof(Data) - sizeof(void *) };
+
+    Data *detach(); // remove in 5.0
+    Data *detach2();
+    void realloc(int alloc);
+    static Data shared_null;
+    Data *d;
+    void **erase(void **xi);
+    void **append();
+    void **append(const QListData &l);
+    void **prepend();
+    void **insert(int i);
+    void remove(int i);
+    void remove(int i, int n);
+    void move(int from, int to);
+    inline int size() const { return d->end - d->begin; }
+    inline bool isEmpty() const { return d->end  == d->begin; }
+    inline void **at(int i) const { return d->array + d->begin + i; }
+    inline void **begin() const { return d->array + d->begin; }
+    inline void **end() const { return d->array + d->end; }
+};
+
+template <typename T>
+class QList
+{
+    struct Node { void *v;
+#if defined(Q_CC_BOR)
+        Q_INLINE_TEMPLATE T &t();
+#else
+        Q_INLINE_TEMPLATE T &t()
+        { return *reinterpret_cast<T*>(QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic
+                                       ? v : this); }
+#endif
+    };
+
+    union { QListData p; QListData::Data *d; };
+
+public:
+    inline QList() : d(&QListData::shared_null) { d->ref.ref(); }
+    inline QList(const QList<T> &l) : d(l.d) { d->ref.ref(); if (!d->sharable) detach_helper(); }
+    ~QList();
+    QList<T> &operator=(const QList<T> &l);
+    bool operator==(const QList<T> &l) const;
+    inline bool operator!=(const QList<T> &l) const { return !(*this == l); }
+
+    inline int size() const { return p.size(); }
+
+    inline void detach() { if (d->ref != 1) detach_helper(); }
+    inline bool isDetached() const { return d->ref == 1; }
+    inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
+
+    inline bool isEmpty() const { return p.isEmpty(); }
+
+    void clear();
+
+    const T &at(int i) const;
+    const T &operator[](int i) const;
+    T &operator[](int i);
+
+    void append(const T &t);
+    void append(const QList<T> &t);
+    void prepend(const T &t);
+    void insert(int i, const T &t);
+    void replace(int i, const T &t);
+    void removeAt(int i);
+    int removeAll(const T &t);
+    bool removeOne(const T &t);
+    T takeAt(int i);
+    T takeFirst();
+    T takeLast();
+    void move(int from, int to);
+    void swap(int i, int j);
+    int indexOf(const T &t, int from = 0) const;
+    int lastIndexOf(const T &t, int from = -1) const;
+    QBool contains(const T &t) const;
+    int count(const T &t) const;
+
+    class const_iterator;
+
+    class iterator {
+    public:
+        Node *i;
+        typedef std::random_access_iterator_tag  iterator_category;
+        typedef ptrdiff_t  difference_type;
+        typedef T value_type;
+        typedef T *pointer;
+        typedef T &reference;
+
+        inline iterator() : i(0) {}
+        inline iterator(Node *n) : i(n) {}
+        inline iterator(const iterator &o): i(o.i){}
+        inline T &operator*() const { return i->t(); }
+        inline T *operator->() const { return &i->t(); }
+        inline T &operator[](int j) const { return i[j].t(); }
+        inline bool operator==(const iterator &o) const { return i == o.i; }
+        inline bool operator!=(const iterator &o) const { return i != o.i; }
+        inline bool operator<(const iterator& other) const { return i < other.i; }
+        inline bool operator<=(const iterator& other) const { return i <= other.i; }
+        inline bool operator>(const iterator& other) const { return i > other.i; }
+        inline bool operator>=(const iterator& other) const { return i >= other.i; }
+#ifndef QT_STRICT_ITERATORS
+        inline bool operator==(const const_iterator &o) const
+            { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const
+            { return i != o.i; }
+        inline bool operator<(const const_iterator& other) const
+            { return i < other.i; }
+        inline bool operator<=(const const_iterator& other) const
+            { return i <= other.i; }
+        inline bool operator>(const const_iterator& other) const
+            { return i > other.i; }
+        inline bool operator>=(const const_iterator& other) const
+            { return i >= other.i; }
+#endif
+        inline iterator &operator++() { ++i; return *this; }
+        inline iterator operator++(int) { Node *n = i; ++i; return n; }
+        inline iterator &operator--() { i--; return *this; }
+        inline iterator operator--(int) { Node *n = i; i--; return n; }
+        inline iterator &operator+=(int j) { i+=j; return *this; }
+        inline iterator &operator-=(int j) { i-=j; return *this; }
+        inline iterator operator+(int j) const { return iterator(i+j); }
+        inline iterator operator-(int j) const { return iterator(i-j); }
+        inline int operator-(iterator j) const { return i - j.i; }
+    };
+    friend class iterator;
+
+    class const_iterator {
+    public:
+        Node *i;
+        typedef std::random_access_iterator_tag  iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef const T *pointer;
+        typedef const T &reference;
+
+        inline const_iterator() : i(0) {}
+        inline const_iterator(Node *n) : i(n) {}
+        inline const_iterator(const const_iterator &o): i(o.i) {}
+#ifdef QT_STRICT_ITERATORS
+        inline explicit const_iterator(const iterator &o): i(o.i) {}
+#else
+        inline const_iterator(const iterator &o): i(o.i) {}
+#endif
+        inline const T &operator*() const { return i->t(); }
+        inline const T *operator->() const { return &i->t(); }
+        inline const T &operator[](int j) const { return i[j].t(); }
+        inline bool operator==(const const_iterator &o) const { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const { return i != o.i; }
+        inline bool operator<(const const_iterator& other) const { return i < other.i; }
+        inline bool operator<=(const const_iterator& other) const { return i <= other.i; }
+        inline bool operator>(const const_iterator& other) const { return i > other.i; }
+        inline bool operator>=(const const_iterator& other) const { return i >= other.i; }
+        inline const_iterator &operator++() { ++i; return *this; }
+        inline const_iterator operator++(int) { Node *n = i; ++i; return n; }
+        inline const_iterator &operator--() { i--; return *this; }
+        inline const_iterator operator--(int) { Node *n = i; i--; return n; }
+        inline const_iterator &operator+=(int j) { i+=j; return *this; }
+        inline const_iterator &operator-=(int j) { i-=j; return *this; }
+        inline const_iterator operator+(int j) const { return const_iterator(i+j); }
+        inline const_iterator operator-(int j) const { return const_iterator(i-j); }
+        inline int operator-(const_iterator j) const { return i - j.i; }
+    };
+    friend class const_iterator;
+
+    // stl style
+    inline iterator begin() { detach(); return reinterpret_cast<Node *>(p.begin()); }
+    inline const_iterator begin() const { return reinterpret_cast<Node *>(p.begin()); }
+    inline const_iterator constBegin() const { return reinterpret_cast<Node *>(p.begin()); }
+    inline iterator end() { detach(); return reinterpret_cast<Node *>(p.end()); }
+    inline const_iterator end() const { return reinterpret_cast<Node *>(p.end()); }
+    inline const_iterator constEnd() const { return reinterpret_cast<Node *>(p.end()); }
+    iterator insert(iterator before, const T &t);
+    iterator erase(iterator pos);
+    iterator erase(iterator first, iterator last);
+
+    // more Qt
+    typedef iterator Iterator;
+    typedef const_iterator ConstIterator;
+    inline int count() const { return p.size(); }
+    inline int length() const { return p.size(); } // Same as count()
+    inline T& first() { Q_ASSERT(!isEmpty()); return *begin(); }
+    inline const T& first() const { Q_ASSERT(!isEmpty()); return *begin(); }
+    T& last() { Q_ASSERT(!isEmpty()); return *(--end()); }
+    const T& last() const { Q_ASSERT(!isEmpty()); return *(--end()); }
+    inline void removeFirst() { Q_ASSERT(!isEmpty()); erase(begin()); }
+    inline void removeLast() { Q_ASSERT(!isEmpty()); erase(--end()); }
+    inline bool startsWith(const T &t) const { return !isEmpty() && first() == t; }
+    inline bool endsWith(const T &t) const { return !isEmpty() && last() == t; }
+    QList<T> mid(int pos, int length = -1) const;
+
+    T value(int i) const;
+    T value(int i, const T &defaultValue) const;
+
+    // stl compatibility
+    inline void push_back(const T &t) { append(t); }
+    inline void push_front(const T &t) { prepend(t); }
+    inline T& front() { return first(); }
+    inline const T& front() const { return first(); }
+    inline T& back() { return last(); }
+    inline const T& back() const { return last(); }
+    inline void pop_front() { removeFirst(); }
+    inline void pop_back() { removeLast(); }
+    inline bool empty() const { return isEmpty(); }
+    typedef int size_type;
+    typedef T value_type;
+    typedef value_type *pointer;
+    typedef const value_type *const_pointer;
+    typedef value_type &reference;
+    typedef const value_type &const_reference;
+    typedef ptrdiff_t difference_type;
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT iterator remove(iterator pos) { return erase(pos); }
+    inline QT3_SUPPORT int remove(const T &t) { return removeAll(t); }
+    inline QT3_SUPPORT int findIndex(const T& t) const { return indexOf(t); }
+    inline QT3_SUPPORT iterator find(const T& t)
+    { int i = indexOf(t); return (i == -1 ? end() : (begin()+i)); }
+    inline QT3_SUPPORT const_iterator find (const T& t) const
+    { int i = indexOf(t); return (i == -1 ? end() : (begin()+i)); }
+    inline QT3_SUPPORT iterator find(iterator from, const T& t)
+    { int i = indexOf(t, from - begin()); return i == -1 ? end() : begin()+i; }
+    inline QT3_SUPPORT const_iterator find(const_iterator from, const T& t) const
+    { int i = indexOf(t, from - begin()); return i == -1 ? end() : begin()+i; }
+#endif
+
+    // comfort
+    QList<T> &operator+=(const QList<T> &l);
+    inline QList<T> operator+(const QList<T> &l) const
+    { QList n = *this; n += l; return n; }
+    inline QList<T> &operator+=(const T &t)
+    { append(t); return *this; }
+    inline QList<T> &operator<< (const T &t)
+    { append(t); return *this; }
+    inline QList<T> &operator<<(const QList<T> &l)
+    { *this += l; return *this; }
+
+    QVector<T> toVector() const;
+    QSet<T> toSet() const;
+
+    static QList<T> fromVector(const QVector<T> &vector);
+    static QList<T> fromSet(const QSet<T> &set);
+
+#ifndef QT_NO_STL
+    static inline QList<T> fromStdList(const std::list<T> &list)
+    { QList<T> tmp; qCopy(list.begin(), list.end(), std::back_inserter(tmp)); return tmp; }
+    inline std::list<T> toStdList() const
+    { std::list<T> tmp; qCopy(constBegin(), constEnd(), std::back_inserter(tmp)); return tmp; }
+#endif
+
+private:
+    void detach_helper();
+    void free(QListData::Data *d);
+
+    void node_construct(Node *n, const T &t);
+    void node_destruct(Node *n);
+    void node_copy(Node *from, Node *to, Node *src);
+    void node_destruct(Node *from, Node *to);
+};
+
+#if defined(Q_CC_BOR)
+template <typename T>
+Q_INLINE_TEMPLATE T &QList<T>::Node::t()
+{ return QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic ? *(T*)v:*(T*)this; }
+#endif
+
+template <typename T>
+Q_INLINE_TEMPLATE void QList<T>::node_construct(Node *n, const T &t)
+{
+    if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) n->v = new T(t);
+    else if (QTypeInfo<T>::isComplex) new (n) T(t);
+    else *reinterpret_cast<T*>(n) = t;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE void QList<T>::node_destruct(Node *n)
+{
+    if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) delete reinterpret_cast<T*>(n->v);
+    else if (QTypeInfo<T>::isComplex) reinterpret_cast<T*>(n)->~T();
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE void QList<T>::node_copy(Node *from, Node *to, Node *src)
+{
+    if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic)
+        while(from != to)
+            (from++)->v = new T(*reinterpret_cast<T*>((src++)->v));
+    else if (QTypeInfo<T>::isComplex)
+        while(from != to)
+            new (from++) T(*reinterpret_cast<T*>(src++));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE void QList<T>::node_destruct(Node *from, Node *to)
+{
+    if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic)
+        while(from != to) --to, delete reinterpret_cast<T*>(to->v);
+    else if (QTypeInfo<T>::isComplex)
+        while (from != to) --to, reinterpret_cast<T*>(to)->~T();
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE QList<T> &QList<T>::operator=(const QList<T> &l)
+{
+    if (d != l.d) {
+        l.d->ref.ref();
+        if (!d->ref.deref())
+            free(d);
+        d = l.d;
+        if (!d->sharable)
+            detach_helper();
+    }
+    return *this;
+}
+template <typename T>
+inline typename QList<T>::iterator QList<T>::insert(iterator before, const T &t)
+{ Node *n = reinterpret_cast<Node *>(p.insert(before.i-reinterpret_cast<Node *>(p.begin())));
+ node_construct(n,t); return n; }
+template <typename T>
+inline typename QList<T>::iterator QList<T>::erase(iterator it)
+{ node_destruct(it.i);
+ return reinterpret_cast<Node *>(p.erase(reinterpret_cast<void**>(it.i))); }
+template <typename T>
+inline const T &QList<T>::at(int i) const
+{ Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::at", "index out of range");
+ return reinterpret_cast<Node *>(p.at(i))->t(); }
+template <typename T>
+inline const T &QList<T>::operator[](int i) const
+{ Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::operator[]", "index out of range");
+ return reinterpret_cast<Node *>(p.at(i))->t(); }
+template <typename T>
+inline T &QList<T>::operator[](int i)
+{ Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::operator[]", "index out of range");
+  detach(); return reinterpret_cast<Node *>(p.at(i))->t(); }
+template <typename T>
+inline void QList<T>::removeAt(int i)
+{ if(i >= 0 && i < p.size()) { detach();
+ node_destruct(reinterpret_cast<Node *>(p.at(i))); p.remove(i); } }
+template <typename T>
+inline T QList<T>::takeAt(int i)
+{ Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::take", "index out of range");
+ detach(); Node *n = reinterpret_cast<Node *>(p.at(i)); T t = n->t(); node_destruct(n);
+ p.remove(i); return t; }
+template <typename T>
+inline T QList<T>::takeFirst()
+{ T t = first(); removeFirst(); return t; }
+template <typename T>
+inline T QList<T>::takeLast()
+{ T t = last(); removeLast(); return t; }
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE void QList<T>::append(const T &t)
+{
+    detach();
+    if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
+        node_construct(reinterpret_cast<Node *>(p.append()), t);
+    } else {
+        const T cpy(t);
+        node_construct(reinterpret_cast<Node *>(p.append()), cpy);
+    }
+}
+
+template <typename T>
+inline void QList<T>::prepend(const T &t)
+{
+    detach();
+    if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
+        node_construct(reinterpret_cast<Node *>(p.prepend()), t);
+    } else {
+        const T cpy(t);
+        node_construct(reinterpret_cast<Node *>(p.prepend()), cpy);
+    }
+}
+
+template <typename T>
+inline void QList<T>::insert(int i, const T &t)
+{
+    detach();
+    if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
+        node_construct(reinterpret_cast<Node *>(p.insert(i)), t);
+    } else {
+        const T cpy(t);
+        node_construct(reinterpret_cast<Node *>(p.insert(i)), cpy);
+    }
+}
+
+template <typename T>
+inline void QList<T>::replace(int i, const T &t)
+{
+    Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::replace", "index out of range");
+    detach();
+    if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
+        reinterpret_cast<Node *>(p.at(i))->t() = t;
+    } else {
+        const T cpy(t);
+        reinterpret_cast<Node *>(p.at(i))->t() = cpy;
+    }
+}
+
+template <typename T>
+inline void QList<T>::swap(int i, int j)
+{
+    Q_ASSERT_X(i >= 0 && i < p.size() && j >= 0 && j < p.size(),
+                "QList<T>::swap", "index out of range");
+    detach();
+    void *t = d->array[d->begin + i];
+    d->array[d->begin + i] = d->array[d->begin + j];
+    d->array[d->begin + j] = t;
+}
+
+template <typename T>
+inline void QList<T>::move(int from, int to)
+{
+    Q_ASSERT_X(from >= 0 && from < p.size() && to >= 0 && to < p.size(),
+               "QList<T>::move", "index out of range");
+    detach();
+    p.move(from, to);
+}
+
+template<typename T>
+Q_OUTOFLINE_TEMPLATE QList<T> QList<T>::mid(int pos, int alength) const
+{
+    if (alength < 0)
+        alength = size() - pos;
+    if (pos == 0 && alength == size())
+        return *this;
+    QList<T> cpy;
+    if (pos + alength > size())
+        alength = size() - pos;
+    for (int i = pos; i < pos + alength; ++i)
+        cpy += at(i);
+    return cpy;
+}
+
+template<typename T>
+Q_OUTOFLINE_TEMPLATE T QList<T>::value(int i) const
+{
+    if (i < 0 || i >= p.size()) {
+        return T();
+    }
+    return reinterpret_cast<Node *>(p.at(i))->t();
+}
+
+template<typename T>
+Q_OUTOFLINE_TEMPLATE T QList<T>::value(int i, const T& defaultValue) const
+{
+    return ((i < 0 || i >= p.size()) ? defaultValue : reinterpret_cast<Node *>(p.at(i))->t());
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE void QList<T>::detach_helper()
+{
+    Node *n = reinterpret_cast<Node *>(p.begin());
+    QListData::Data *x = p.detach2();
+    node_copy(reinterpret_cast<Node *>(p.begin()), reinterpret_cast<Node *>(p.end()), n);
+    if (!x->ref.deref())
+        free(x);
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE QList<T>::~QList()
+{
+    if (d && !d->ref.deref())
+        free(d);
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE bool QList<T>::operator==(const QList<T> &l) const
+{
+    if (p.size() != l.p.size())
+        return false;
+    if (d == l.d)
+        return true;
+    Node *i = reinterpret_cast<Node *>(p.end());
+    Node *b = reinterpret_cast<Node *>(p.begin());
+    Node *li = reinterpret_cast<Node *>(l.p.end());
+    while (i != b) {
+        --i; --li;
+        if (!(i->t() == li->t()))
+            return false;
+    }
+    return true;
+}
+
+// ### Qt 5: rename freeData() to avoid confusion with std::free()
+template <typename T>
+Q_OUTOFLINE_TEMPLATE void QList<T>::free(QListData::Data *data)
+{
+    node_destruct(reinterpret_cast<Node *>(data->array + data->begin),
+                  reinterpret_cast<Node *>(data->array + data->end));
+    if (data->ref == 0)
+        qFree(data);
+}
+
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE void QList<T>::clear()
+{
+    *this = QList<T>();
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE int QList<T>::removeAll(const T &_t)
+{
+    detach();
+    const T t = _t;
+    int removedCount=0, i=0;
+    Node *n;
+    while (i < p.size())
+        if ((n = reinterpret_cast<Node *>(p.at(i)))->t() == t) {
+            node_destruct(n);
+            p.remove(i);
+            ++removedCount;
+        } else {
+            ++i;
+        }
+    return removedCount;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE bool QList<T>::removeOne(const T &_t)
+{
+    detach();
+    int index = indexOf(_t);
+    if (index != -1) {
+        removeAt(index);
+        return true;
+    }
+    return false;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE typename QList<T>::iterator QList<T>::erase(typename QList<T>::iterator afirst,
+                                                                 typename QList<T>::iterator alast)
+{
+    for (Node *n = afirst.i; n < alast.i; ++n)
+        node_destruct(n);
+    int idx = afirst - begin();
+    p.remove(idx, alast - afirst);
+    return begin() + idx;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE QList<T> &QList<T>::operator+=(const QList<T> &l)
+{
+    detach();
+    Node *n = reinterpret_cast<Node *>(p.append(l.p));
+    node_copy(n, reinterpret_cast<Node *>(p.end()), reinterpret_cast<Node *>(l.p.begin()));
+    return *this;
+}
+
+template <typename T>
+inline void QList<T>::append(const QList<T> &t)
+{
+    *this += t;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE int QList<T>::indexOf(const T &t, int from) const
+{
+    if (from < 0)
+        from = qMax(from + p.size(), 0);
+    if (from < p.size()) {
+        Node *n = reinterpret_cast<Node *>(p.at(from -1));
+        Node *e = reinterpret_cast<Node *>(p.end());
+        while (++n != e)
+            if (n->t() == t)
+                return n - reinterpret_cast<Node *>(p.begin());
+    }
+    return -1;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE int QList<T>::lastIndexOf(const T &t, int from) const
+{
+    if (from < 0)
+        from += p.size();
+    else if (from >= p.size())
+        from = p.size()-1;
+    if (from >= 0) {
+        Node *b = reinterpret_cast<Node *>(p.begin());
+        Node *n = reinterpret_cast<Node *>(p.at(from + 1));
+        while (n-- != b) {
+            if (n->t() == t)
+                return n - b;
+        }
+    }
+    return -1;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE QBool QList<T>::contains(const T &t) const
+{
+    Node *b = reinterpret_cast<Node *>(p.begin());
+    Node *i = reinterpret_cast<Node *>(p.end());
+    while (i-- != b)
+        if (i->t() == t)
+            return QBool(true);
+    return QBool(false);
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE int QList<T>::count(const T &t) const
+{
+    int c = 0;
+    Node *b = reinterpret_cast<Node *>(p.begin());
+    Node *i = reinterpret_cast<Node *>(p.end());
+    while (i-- != b)
+        if (i->t() == t)
+            ++c;
+    return c;
+}
+
+Q_DECLARE_SEQUENTIAL_ITERATOR(List)
+Q_DECLARE_MUTABLE_SEQUENTIAL_ITERATOR(List)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QLIST_H
diff --git a/src/corelib/tools/qlistdata.cpp b/src/corelib/tools/qlistdata.cpp
new file mode 100644
index 0000000000..2b1c086776
--- /dev/null
+++ b/src/corelib/tools/qlistdata.cpp
@@ -0,0 +1,1742 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qlist.h"
+#include "qtools_p.h"
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+/*
+    QList as an array-list combines the easy-of-use of a random
+    access interface with fast list operations and the low memory
+    management overhead of an array. Accessing elements by index,
+    appending, prepending, and removing elements from both the front
+    and the back all happen in constant time O(1). Inserting or
+    removing elements at random index positions \ai happens in linear
+    time, or more precisly in O(min{i,n-i}) <= O(n/2), with n being
+    the number of elements in the list.
+*/
+
+QListData::Data QListData::shared_null = { Q_BASIC_ATOMIC_INITIALIZER(1), 0, 0, 0, true, { 0 } };
+
+static int grow(int size)
+{
+    // dear compiler: don't optimize me out.
+    volatile int x = qAllocMore(size * sizeof(void *), QListData::DataHeaderSize) / sizeof(void *);
+    return x;
+}
+
+#if QT_VERSION >= 0x050000
+#  error "Remove QListData::detach(), it is only required for binary compatibility for 4.0.x to 4.2.x"
+#endif
+QListData::Data *QListData::detach()
+{
+    Data *x = static_cast<Data *>(qMalloc(DataHeaderSize + d->alloc * sizeof(void *)));
+    if (!x)
+        qFatal("QList: Out of memory");
+
+    ::memcpy(x, d, DataHeaderSize + d->alloc * sizeof(void *));
+    x->alloc = d->alloc;
+    x->ref = 1;
+    x->sharable = true;
+    if (!x->alloc)
+        x->begin = x->end = 0;
+
+    qSwap(d, x);
+    if (!x->ref.deref())
+        return x;
+    return 0;
+}
+
+// Returns the old (shared) data, it is up to the caller to deref() and free()
+QListData::Data *QListData::detach2()
+{
+    Data *x = d;
+    d = static_cast<Data *>(qMalloc(DataHeaderSize + x->alloc * sizeof(void *)));
+    if (!d)
+        qFatal("QList: Out of memory");
+
+    ::memcpy(d, x, DataHeaderSize + x->alloc * sizeof(void *));
+    d->alloc = x->alloc;
+    d->ref = 1;
+    d->sharable = true;
+    if (!d->alloc)
+        d->begin = d->end = 0;
+
+    return x;
+}
+
+void QListData::realloc(int alloc)
+{
+    Q_ASSERT(d->ref == 1);
+    Data *x = static_cast<Data *>(qRealloc(d, DataHeaderSize + alloc * sizeof(void *)));
+    if (!x)
+        qFatal("QList: Out of memory");
+
+    d = x;
+    d->alloc = alloc;
+    if (!alloc)
+        d->begin = d->end = 0;
+}
+
+void **QListData::append()
+{
+    Q_ASSERT(d->ref == 1);
+    if (d->end == d->alloc) {
+        int n = d->end - d->begin;
+        if (d->begin > 2 * d->alloc / 3) {
+            ::memcpy(d->array + n, d->array + d->begin, n * sizeof(void *));
+            d->begin = n;
+            d->end = n * 2;
+        } else {
+            realloc(grow(d->alloc + 1));
+        }
+    }
+    return d->array + d->end++;
+}
+
+void **QListData::append(const QListData& l)
+{
+    Q_ASSERT(d->ref == 1);
+    int e = d->end;
+    int n = l.d->end - l.d->begin;
+    if (n) {
+        if (e + n > d->alloc)
+            realloc(grow(e + l.d->end - l.d->begin));
+        ::memcpy(d->array + d->end, l.d->array + l.d->begin, n * sizeof(void*));
+        d->end += n;
+    }
+    return d->array + e;
+}
+
+void **QListData::prepend()
+{
+    Q_ASSERT(d->ref == 1);
+    if (d->begin == 0) {
+        if (d->end >= d->alloc / 3)
+            realloc(grow(d->alloc + 1));
+
+        if (d->end < d->alloc / 3)
+            d->begin = d->alloc - 2 * d->end;
+        else
+            d->begin = d->alloc - d->end;
+
+        ::memmove(d->array + d->begin, d->array, d->end * sizeof(void *));
+        d->end += d->begin;
+    }
+    return d->array + --d->begin;
+}
+
+void **QListData::insert(int i)
+{
+    Q_ASSERT(d->ref == 1);
+    if (i <= 0)
+        return prepend();
+    if (i >= d->end - d->begin)
+        return append();
+
+    bool leftward = false;
+    int size = d->end - d->begin;
+
+    if (d->begin == 0) {
+        if (d->end == d->alloc) {
+            // If the array is full, we expand it and move some items rightward
+            realloc(grow(d->alloc + 1));
+        } else {
+            // If there is free space at the end of the array, we move some items rightward
+        }
+    } else {
+        if (d->end == d->alloc) {
+            // If there is free space at the beginning of the array, we move some items leftward
+            leftward = true;
+        } else {
+            // If there is free space at both ends, we move as few items as possible
+            leftward = (i < size - i);
+        }
+    }
+
+    if (leftward) {
+        --d->begin;
+        ::memmove(d->array + d->begin, d->array + d->begin + 1, i * sizeof(void *));
+    } else {
+        ::memmove(d->array + d->begin + i + 1, d->array + d->begin + i,
+                  (size - i) * sizeof(void *));
+        ++d->end;
+    }
+    return d->array + d->begin + i;
+}
+
+void QListData::remove(int i)
+{
+    Q_ASSERT(d->ref == 1);
+    i += d->begin;
+    if (i - d->begin < d->end - i) {
+        if (int offset = i - d->begin)
+            ::memmove(d->array + d->begin + 1, d->array + d->begin, offset * sizeof(void *));
+        d->begin++;
+    } else {
+        if (int offset = d->end - i - 1)
+            ::memmove(d->array + i, d->array + i + 1, offset * sizeof(void *));
+        d->end--;
+    }
+}
+
+void QListData::remove(int i, int n)
+{
+    Q_ASSERT(d->ref == 1);
+    i += d->begin;
+    int middle = i + n/2;
+    if (middle - d->begin < d->end - middle) {
+        ::memmove(d->array + d->begin + n, d->array + d->begin,
+                   (i - d->begin) * sizeof(void*));
+        d->begin += n;
+    } else {
+        ::memmove(d->array + i, d->array + i + n,
+                   (d->end - i - n) * sizeof(void*));
+        d->end -= n;
+    }
+}
+
+void QListData::move(int from, int to)
+{
+    Q_ASSERT(d->ref == 1);
+    if (from == to)
+        return;
+
+    from += d->begin;
+    to += d->begin;
+    void *t = d->array[from];
+
+    if (from < to) {
+        if (d->end == d->alloc || 3 * (to - from) < 2 * (d->end - d->begin)) {
+            ::memmove(d->array + from, d->array + from + 1, (to - from) * sizeof(void *));
+        } else {
+            // optimization
+            if (int offset = from - d->begin)
+                ::memmove(d->array + d->begin + 1, d->array + d->begin, offset * sizeof(void *));
+            if (int offset = d->end - (to + 1))
+                ::memmove(d->array + to + 2, d->array + to + 1, offset * sizeof(void *));
+            ++d->begin;
+            ++d->end;
+            ++to;
+        }
+    } else {
+        if (d->begin == 0 || 3 * (from - to) < 2 * (d->end - d->begin)) {
+            ::memmove(d->array + to + 1, d->array + to, (from - to) * sizeof(void *));
+        } else {
+            // optimization
+            if (int offset = to - d->begin)
+                ::memmove(d->array + d->begin - 1, d->array + d->begin, offset * sizeof(void *));
+            if (int offset = d->end - (from + 1))
+                ::memmove(d->array + from, d->array + from + 1, offset * sizeof(void *));
+            --d->begin;
+            --d->end;
+            --to;
+        }
+    }
+    d->array[to] = t;
+}
+
+void **QListData::erase(void **xi)
+{
+    Q_ASSERT(d->ref == 1);
+    int i = xi - (d->array + d->begin);
+    remove(i);
+    return d->array + d->begin + i;
+}
+
+/*! \class QList
+    \brief The QList class is a template class that provides lists.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QList\<T\> is one of Qt's generic \l{container classes}. It
+    stores a list of values and provides fast index-based access as
+    well as fast insertions and removals.
+
+    QList\<T\>, QLinkedList\<T\>, and QVector\<T\> provide similar
+    functionality. Here's an overview:
+
+    \list
+    \i For most purposes, QList is the right class to use. Its
+       index-based API is more convenient than QLinkedList's
+       iterator-based API, and it is usually faster than
+       QVector because of the way it stores its items in
+       memory. It also expands to less code in your executable.
+    \i If you need a real linked list, with guarantees of \l{constant
+       time} insertions in the middle of the list and iterators to
+       items rather than indexes, use QLinkedList.
+    \i If you want the items to occupy adjacent memory positions,
+       use QVector.
+    \endlist
+
+
+    Internally, QList\<T\> is represented as an array of pointers to
+    items of type T. If T is itself a pointer type or a basic type
+    that is no larger than a pointer, or if T is one of Qt's \l{shared
+    classes}, then QList\<T\> stores the items directly in the pointer
+    array. For lists under a thousand items, this array representation
+    allows for very fast insertions in the middle, and it allows
+    index-based access. Furthermore, operations like prepend() and
+    append() are very fast, because QList preallocates memory at both
+    ends of its internal array. (See \l{Algorithmic Complexity} for
+    details.) Note, however, that for unshared list items that are
+    larger than a pointer, each append or insert of a new item
+    requires allocating the new item on the heap, and this per item
+    allocation might make QVector a better choice in cases that do
+    lots of appending or inserting, since QVector allocates memory for
+    its items in a single heap allocation.
+
+    Note that the internal array only ever gets bigger over the life
+    of the list. It never shrinks. The internal array is deallocated
+    by the destructor and by the assignment operator, when one list
+    is assigned to another.
+
+    Here's an example of a QList that stores integers and
+    a QList that stores QDate values:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 0
+
+    Qt includes a QStringList class that inherits QList\<QString\>
+    and adds a few convenience functions, such as QStringList::join()
+    and QStringList::find(). (QString::split() creates QStringLists
+    from strings.)
+
+    QList stores a list of items. The default constructor creates an
+    empty list. To insert items into the list, you can use
+    operator<<():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 1
+
+    QList provides these basic functions to add, move, and remove
+    items: insert(), replace(), removeAt(), move(), and swap(). In
+    addition, it provides the following convenience functions:
+    append(), prepend(), removeFirst(), and removeLast().
+
+    QList uses 0-based indexes, just like C++ arrays. To access the
+    item at a particular index position, you can use operator[](). On
+    non-const lists, operator[]() returns a reference to the item and
+    can be used on the left side of an assignment:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 2
+
+    Because QList is implemented as an array of pointers, this
+    operation is very fast (\l{constant time}). For read-only access,
+    an alternative syntax is to use at():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 3
+
+    at() can be faster than operator[](), because it never causes a
+    \l{deep copy} to occur.
+
+    A common requirement is to remove an item from a list and do
+    something with it. For this, QList provides takeAt(), takeFirst(),
+    and takeLast(). Here's a loop that removes the items from a list
+    one at a time and calls \c delete on them:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 4
+
+    Inserting and removing items at either ends of the list is very
+    fast (\l{constant time} in most cases), because QList
+    preallocates extra space on both sides of its internal buffer to
+    allow for fast growth at both ends of the list.
+
+    If you want to find all occurrences of a particular value in a
+    list, use indexOf() or lastIndexOf(). The former searches forward
+    starting from a given index position, the latter searches
+    backward. Both return the index of a matching item if they find
+    it; otherwise, they return -1. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 5
+
+    If you simply want to check whether a list contains a particular
+    value, use contains(). If you want to find out how many times a
+    particular value occurs in the list, use count(). If you want to
+    replace all occurrences of a particular value with another, use
+    replace().
+
+    QList's value type must be an \l{assignable data type}. This
+    covers most data types that are commonly used, but the compiler
+    won't let you, for example, store a QWidget as a value; instead,
+    store a QWidget *. A few functions have additional requirements;
+    for example, indexOf() and lastIndexOf() expect the value type to
+    support \c operator==().  These requirements are documented on a
+    per-function basis.
+
+    Like the other container classes, QList provides \l{Java-style
+    iterators} (QListIterator and QMutableListIterator) and
+    \l{STL-style iterators} (QList::const_iterator and
+    QList::iterator). In practice, these are rarely used, because you
+    can use indexes into the QList. QList is implemented in such a way
+    that direct index-based access is just as fast as using iterators.
+
+    QList does \e not support inserting, prepending, appending or
+    replacing with references to its own values. Doing so will cause
+    your application to abort with an error message.
+
+    To make QList as efficient as possible, its member functions don't
+    validate their input before using it. Except for isEmpty(), member
+    functions always assume the list is \e not empty. Member functions
+    that take index values as parameters always assume their index
+    value parameters are in the valid range. This means QList member
+    functions can fail. If you define QT_NO_DEBUG when you compile,
+    failures will not be detected. If you \e don't define QT_NO_DEBUG,
+    failures will be detected using Q_ASSERT() or Q_ASSERT_X() with an
+    appropriate message.
+
+    To avoid failures when your list can be empty, call isEmpty()
+    before calling other member functions. If you must pass an index
+    value that might not be in the valid range, check that it is less
+    than the value returned by size() but \e not less than 0.
+
+    \sa QListIterator, QMutableListIterator, QLinkedList, QVector
+*/
+
+/*!
+    \fn QList<T> QList<T>::mid(int pos, int length) const
+
+    Returns a list whose elements are copied from this list,
+    starting at position \a pos. If \a length is -1 (the default), all
+    elements from \a pos are copied; otherwise \a length elements (or
+    all remaining elements if there are less than \a length elements)
+    are copied.
+*/
+
+/*! \fn QList::QList()
+
+    Constructs an empty list.
+*/
+
+/*! \fn QList::QList(const QList<T> &other)
+
+    Constructs a copy of \a other.
+
+    This operation takes \l{constant time}, because QList is
+    \l{implicitly shared}. This makes returning a QList from a
+    function very fast. If a shared instance is modified, it will be
+    copied (copy-on-write), and that takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*! \fn QList::~QList()
+
+    Destroys the list. References to the values in the list and all
+    iterators of this list become invalid.
+*/
+
+/*! \fn QList<T> &QList::operator=(const QList<T> &other)
+
+    Assigns \a other to this list and returns a reference to this
+    list.
+*/
+
+/*! \fn bool QList::operator==(const QList<T> &other) const
+
+    Returns true if \a other is equal to this list; otherwise returns
+    false.
+
+    Two lists are considered equal if they contain the same values in
+    the same order.
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QList::operator!=(const QList<T> &other) const
+
+    Returns true if \a other is not equal to this list; otherwise
+    returns false.
+
+    Two lists are considered equal if they contain the same values in
+    the same order.
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa operator==()
+*/
+
+/*!
+    \fn int QList::size() const
+
+    Returns the number of items in the list.
+
+    \sa isEmpty(), count()
+*/
+
+/*! \fn void QList::detach()
+
+    \internal
+*/
+
+/*! \fn bool QList::isDetached() const
+
+    \internal
+*/
+
+/*! \fn void QList::setSharable(bool sharable)
+
+    \internal
+*/
+
+/*! \fn bool QList::isEmpty() const
+
+    Returns true if the list contains no items; otherwise returns
+    false.
+
+    \sa size()
+*/
+
+/*! \fn void QList::clear()
+
+    Removes all items from the list.
+
+    \sa removeAll()
+*/
+
+/*! \fn const T &QList::at(int i) const
+
+    Returns the item at index position \a i in the list. \a i must be
+    a valid index position in the list (i.e., 0 <= \a i < size()).
+
+    This function is very fast (\l{constant time}).
+
+    \sa value(), operator[]()
+*/
+
+/*! \fn T &QList::operator[](int i)
+
+    Returns the item at index position \a i as a modifiable reference.
+    \a i must be a valid index position in the list (i.e., 0 <= \a i <
+    size()).
+
+    This function is very fast (\l{constant time}).
+
+    \sa at(), value()
+*/
+
+/*! \fn const T &QList::operator[](int i) const
+
+    \overload
+
+    Same as at().
+*/
+
+/*! \fn void QList::append(const T &value)
+
+    Inserts \a value at the end of the list.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 6
+
+    This is the same as list.insert(size(), \a value).
+
+    This operation is typically very fast (\l{constant time}),
+    because QList preallocates extra space on both sides of its
+    internal buffer to allow for fast growth at both ends of the
+    list.
+
+    \sa operator<<(), prepend(), insert()
+*/
+
+/*! \fn void QList::append(const QList<T> &value)
+
+    \overload
+
+    \since 4.5
+
+    Appends the items of the \a value list to this list.
+
+    \sa operator<<(), operator+=()
+*/
+
+/*! \fn void QList::prepend(const T &value)
+
+    Inserts \a value at the beginning of the list.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 7
+
+    This is the same as list.insert(0, \a value).
+
+    This operation is usually very fast (\l{constant time}), because
+    QList preallocates extra space on both sides of its internal
+    buffer to allow for fast growth at both ends of the list.
+
+    \sa append(), insert()
+*/
+
+/*! \fn void QList::insert(int i, const T &value)
+
+    Inserts \a value at index position \a i in the list. If \a i
+    is 0, the value is prepended to the list. If \a i is size(), the
+    value is appended to the list.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 8
+
+    \sa append(), prepend(), replace(), removeAt()
+*/
+
+/*! \fn QList::iterator QList::insert(iterator before, const T &value)
+
+    \overload
+
+    Inserts \a value in front of the item pointed to by the
+    iterator \a before. Returns an iterator pointing at the inserted
+    item. Note that the iterator passed to the function will be
+    invalid after the call; the returned iterator should be used
+    instead.
+*/
+
+/*! \fn void QList::replace(int i, const T &value)
+
+    Replaces the item at index position \a i with \a value. \a i must
+    be a valid index position in the list (i.e., 0 <= \a i < size()).
+
+    \sa operator[](), removeAt()
+*/
+
+/*!
+    \fn int QList::removeAll(const T &value)
+
+    Removes all occurrences of \a value in the list and returns the
+    number of entries removed.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 9
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa removeOne(), removeAt(), takeAt(), replace()
+*/
+
+/*!
+    \fn bool QList::removeOne(const T &value)
+    \since 4.4
+
+    Removes the first occurrence of \a value in the list and returns
+    true on success; otherwise returns false.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 10
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa removeAll(), removeAt(), takeAt(), replace()
+*/
+
+/*! \fn void QList::removeAt(int i)
+
+    Removes the item at index position \a i. \a i must be a valid
+    index position in the list (i.e., 0 <= \a i < size()).
+
+    \sa takeAt(), removeFirst(), removeLast(), removeOne()
+*/
+
+/*! \fn T QList::takeAt(int i)
+
+    Removes the item at index position \a i and returns it. \a i must
+    be a valid index position in the list (i.e., 0 <= \a i < size()).
+
+    If you don't use the return value, removeAt() is more efficient.
+
+    \sa removeAt(), takeFirst(), takeLast()
+*/
+
+/*! \fn T QList::takeFirst()
+
+    Removes the first item in the list and returns it. This is the
+    same as takeAt(0). This function assumes the list is not empty. To
+    avoid failure, call isEmpty() before calling this function.
+
+    This operation is very fast (\l{constant time}), because QList
+    preallocates extra space on both sides of its internal buffer to
+    allow for fast growth at both ends of the list.
+
+    If you don't use the return value, removeFirst() is more
+    efficient.
+
+    \sa takeLast(), takeAt(), removeFirst()
+*/
+
+/*! \fn T QList::takeLast()
+
+    Removes the last item in the list and returns it. This is the
+    same as takeAt(size() - 1). This function assumes the list is
+    not empty. To avoid failure, call isEmpty() before calling this
+    function.
+
+    This operation is very fast (\l{constant time}), because QList
+    preallocates extra space on both sides of its internal buffer to
+    allow for fast growth at both ends of the list.
+
+    If you don't use the return value, removeLast() is more
+    efficient.
+
+    \sa takeFirst(), takeAt(), removeLast()
+*/
+
+/*! \fn void QList::move(int from, int to)
+
+    Moves the item at index position \a from to index position \a to.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 11
+
+    This is the same as insert(\a{to}, takeAt(\a{from})).This function
+    assumes that both \a from and \a to are at least 0 but less than
+    size(). To avoid failure, test that both \a from and \a to are at
+    least 0 and less than size().
+
+    \sa swap(), insert(), takeAt()
+*/
+
+/*! \fn void QList::swap(int i, int j)
+
+    Exchange the item at index position \a i with the item at index
+    position \a j. This function assumes that both \a i and \a j are
+    at least 0 but less than size(). To avoid failure, test that both
+    \a i and \a j are at least 0 and less than size().
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 12
+
+    \sa move()
+*/
+
+/*! \fn int QList::indexOf(const T &value, int from = 0) const
+
+    Returns the index position of the first occurrence of \a value in
+    the list, searching forward from index position \a from. Returns
+    -1 if no item matched.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 13
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa lastIndexOf(), contains()
+*/
+
+/*! \fn int QList::lastIndexOf(const T &value, int from = -1) const
+
+    Returns the index position of the last occurrence of \a value in
+    the list, searching backward from index position \a from. If \a
+    from is -1 (the default), the search starts at the last item.
+    Returns -1 if no item matched.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 14
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa indexOf()
+*/
+
+/*! \fn QBool QList::contains(const T &value) const
+
+    Returns true if the list contains an occurrence of \a value;
+    otherwise returns false.
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa indexOf(), count()
+*/
+
+/*! \fn int QList::count(const T &value) const
+
+    Returns the number of occurrences of \a value in the list.
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa contains(), indexOf()
+*/
+
+/*! \fn bool QList::startsWith(const T &value) const
+    \since 4.5
+
+    Returns true if this list is not empty and its first
+    item is equal to \a value; otherwise returns false.
+
+    \sa isEmpty(), contains()
+*/
+
+/*! \fn bool QList::endsWith(const T &value) const
+    \since 4.5
+
+    Returns true if this list is not empty and its last
+    item is equal to \a value; otherwise returns false.
+
+    \sa isEmpty(), contains()
+*/
+
+/*! \fn QList::iterator QList::begin()
+
+    Returns an \l{STL-style iterator} pointing to the first item in
+    the list.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QList::const_iterator QList::begin() const
+
+    \overload
+*/
+
+/*! \fn QList::const_iterator QList::constBegin() const
+
+    Returns a const \l{STL-style iterator} pointing to the first item
+    in the list.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QList::iterator QList::end()
+
+    Returns an \l{STL-style iterator} pointing to the imaginary item
+    after the last item in the list.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn const_iterator QList::end() const
+
+    \overload
+*/
+
+/*! \fn QList::const_iterator QList::constEnd() const
+
+    Returns a const \l{STL-style iterator} pointing to the imaginary
+    item after the last item in the list.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QList::iterator QList::erase(iterator pos)
+
+    Removes the item associated with the iterator \a pos from the
+    list, and returns an iterator to the next item in the list (which
+    may be end()).
+
+    \sa insert(), removeAt()
+*/
+
+/*! \fn QList::iterator QList::erase(iterator begin, iterator end)
+
+    \overload
+
+    Removes all the items from \a begin up to (but not including) \a
+    end. Returns an iterator to the same item that \a end referred to
+    before the call.
+*/
+
+/*! \typedef QList::Iterator
+
+    Qt-style synonym for QList::iterator.
+*/
+
+/*! \typedef QList::ConstIterator
+
+    Qt-style synonym for QList::const_iterator.
+*/
+
+/*!
+    \typedef QList::size_type
+
+    Typedef for int. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QList::value_type
+
+    Typedef for T. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QList::difference_type
+
+    Typedef for ptrdiff_t. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QList::pointer
+
+    Typedef for T *. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QList::const_pointer
+
+    Typedef for const T *. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QList::reference
+
+    Typedef for T &. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QList::const_reference
+
+    Typedef for const T &. Provided for STL compatibility.
+*/
+
+/*! \fn int QList::count() const
+
+    Returns the number of items in the list. This is effectively the
+    same as size().
+*/
+
+/*! \fn int QList::length() const
+    \since 4.5
+
+    This function is identical to count().
+
+    \sa count()
+*/
+
+/*! \fn T& QList::first()
+
+    Returns a reference to the first item in the list. The list must
+    not be empty. If the list can be empty, call isEmpty() before
+    calling this function.
+
+    \sa last(), isEmpty()
+*/
+
+/*! \fn const T& QList::first() const
+
+    \overload
+*/
+
+/*! \fn T& QList::last()
+
+    Returns a reference to the last item in the list.  The list must
+    not be empty. If the list can be empty, call isEmpty() before
+    calling this function.
+
+    \sa first(), isEmpty()
+*/
+
+/*! \fn const T& QList::last() const
+
+    \overload
+*/
+
+/*! \fn void QList::removeFirst()
+
+    Removes the first item in the list. Calling this function is
+    equivalent to calling removeAt(0). The list must not be empty. If
+    the list can be empty, call isEmpty() before calling this
+    function.
+
+    \sa removeAt(), takeFirst()
+*/
+
+/*! \fn void QList::removeLast()
+
+    Removes the last item in the list. Calling this function is
+    equivalent to calling removeAt(size() - 1). The list must not be
+    empty. If the list can be empty, call isEmpty() before calling
+    this function.
+
+    \sa removeAt(), takeLast()
+*/
+
+/*! \fn T QList::value(int i) const
+
+    Returns the value at index position \a i in the list.
+
+    If the index \a i is out of bounds, the function returns a
+    \l{default-constructed value}. If you are certain that the index
+    is going to be within bounds, you can use at() instead, which is
+    slightly faster.
+
+    \sa at(), operator[]()
+*/
+
+/*! \fn T QList::value(int i, const T &defaultValue) const
+
+    \overload
+
+    If the index \a i is out of bounds, the function returns
+    \a defaultValue.
+*/
+
+/*! \fn void QList::push_back(const T &value)
+
+    This function is provided for STL compatibility. It is equivalent
+    to \l{QList::append()}{append(\a value)}.
+*/
+
+/*! \fn void QList::push_front(const T &value)
+
+    This function is provided for STL compatibility. It is equivalent
+    to \l{QList::prepend()}{prepend(\a value)}.
+*/
+
+/*! \fn T& QList::front()
+
+    This function is provided for STL compatibility. It is equivalent
+    to first(). The list must not be empty. If the list can be empty,
+    call isEmpty() before calling this function.
+*/
+
+/*! \fn const T& QList::front() const
+
+    \overload
+*/
+
+/*! \fn T& QList::back()
+
+    This function is provided for STL compatibility. It is equivalent
+    to last(). The list must not be empty. If the list can be empty,
+    call isEmpty() before calling this function.
+*/
+
+/*! \fn const T& QList::back() const
+
+    \overload
+*/
+
+/*! \fn void QList::pop_front()
+
+    This function is provided for STL compatibility. It is equivalent
+    to removeFirst(). The list must not be empty. If the list can be
+    empty, call isEmpty() before calling this function.
+*/
+
+/*! \fn void QList::pop_back()
+
+    This function is provided for STL compatibility. It is equivalent
+    to removeLast(). The list must not be empty. If the list can be
+    empty, call isEmpty() before calling this function.
+*/
+
+/*! \fn bool QList::empty() const
+
+    This function is provided for STL compatibility. It is equivalent
+    to isEmpty() and returns true if the list is empty.
+*/
+
+/*! \fn QList<T> &QList::operator+=(const QList<T> &other)
+
+    Appends the items of the \a other list to this list and returns a
+    reference to this list.
+
+    \sa operator+(), append()
+*/
+
+/*! \fn void QList::operator+=(const T &value)
+
+    \overload
+
+    Appends \a value to the list.
+
+    \sa append(), operator<<()
+*/
+
+/*! \fn QList<T> QList::operator+(const QList<T> &other) const
+
+    Returns a list that contains all the items in this list followed
+    by all the items in the \a other list.
+
+    \sa operator+=()
+*/
+
+/*! \fn QList<T> &QList::operator<<(const QList<T> &other)
+
+    Appends the items of the \a other list to this list and returns a
+    reference to this list.
+
+    \sa operator+=(), append()
+*/
+
+/*! \fn void QList::operator<<(const T &value)
+
+    \overload
+
+    Appends \a value to the list.
+*/
+
+/*! \class QList::iterator
+    \brief The QList::iterator class provides an STL-style non-const iterator for QList and QQueue.
+
+    QList features both \l{STL-style iterators} and \l{Java-style
+    iterators}. The STL-style iterators are more low-level and more
+    cumbersome to use; on the other hand, they are slightly faster
+    and, for developers who already know STL, have the advantage of
+    familiarity.
+
+    QList\<T\>::iterator allows you to iterate over a QList\<T\> (or
+    QQueue\<T\>) and to modify the list item associated with the
+    iterator. If you want to iterate over a const QList, use
+    QList::const_iterator instead. It is generally good practice to
+    use QList::const_iterator on a non-const QList as well, unless
+    you need to change the QList through the iterator. Const
+    iterators are slightly faster, and can improve code readability.
+
+    The default QList::iterator constructor creates an uninitialized
+    iterator. You must initialize it using a QList function like
+    QList::begin(), QList::end(), or QList::insert() before you can
+    start iterating. Here's a typical loop that prints all the items
+    stored in a list:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 15
+
+    Let's see a few examples of things we can do with a
+    QList::iterator that we cannot do with a QList::const_iterator.
+    Here's an example that increments every value stored in a
+    QList\<int\> by 2:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 16
+
+    Most QList functions accept an integer index rather than an
+    iterator. For that reason, iterators are rarely useful in
+    connection with QList. One place where STL-style iterators do
+    make sense is as arguments to \l{generic algorithms}.
+
+    For example, here's how to delete all the widgets stored in a
+    QList\<QWidget *\>:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 17
+
+    Multiple iterators can be used on the same list. However, be
+    aware that any non-const function call performed on the QList
+    will render all existing iterators undefined. If you need to keep
+    iterators over a long period of time, we recommend that you use
+    QLinkedList rather than QList.
+
+    \sa QList::const_iterator, QMutableListIterator
+*/
+
+/*! \typedef QList::iterator::iterator_category
+
+    \internal
+*/
+
+/*! \typedef QList::iterator::difference_type
+
+    \internal
+*/
+
+/*! \typedef QList::iterator::value_type
+
+    \internal
+*/
+
+/*! \typedef QList::iterator::pointer
+
+    \internal
+*/
+
+/*! \typedef QList::iterator::reference
+
+    \internal
+*/
+
+/*! \fn QList::iterator::iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like operator*() and operator++() should not be called
+    on an uninitialized iterartor. Use operator=() to assign a value
+    to it before using it.
+
+    \sa QList::begin() QList::end()
+*/
+
+/*! \fn QList::iterator::iterator(Node *node)
+
+    \internal
+*/
+
+/*! \fn QList::iterator::iterator(const iterator &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn T &QList::iterator::operator*() const
+
+    Returns a modifiable reference to the current item.
+
+    You can change the value of an item by using operator*() on the
+    left side of an assignment, for example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 18
+
+    \sa operator->()
+*/
+
+/*! \fn T *QList::iterator::operator->() const
+
+    Returns a pointer to the current item.
+
+    \sa operator*()
+*/
+
+/*! \fn T &QList::iterator::operator[](int j) const
+
+    Returns a modifiable reference to the item at position *this +
+    \a{j}.
+
+    This function is provided to make QList iterators behave like C++
+    pointers.
+
+    \sa operator+()
+*/
+
+/*!
+    \fn bool QList::iterator::operator==(const iterator &other) const
+    \fn bool QList::iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same item as this
+    iterator; otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*!
+    \fn bool QList::iterator::operator!=(const iterator &other) const
+    \fn bool QList::iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different item than this
+    iterator; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*!
+    \fn bool QList::iterator::operator<(const iterator& other) const
+    \fn bool QList::iterator::operator<(const const_iterator& other) const
+
+    Returns true if the item pointed to by this iterator is less than
+    the item pointed to by the \a other iterator.
+*/
+
+/*!
+    \fn bool QList::iterator::operator<=(const iterator& other) const
+    \fn bool QList::iterator::operator<=(const const_iterator& other) const
+
+    Returns true if the item pointed to by this iterator is less than
+    or equal to the item pointed to by the \a other iterator.
+*/
+
+/*!
+    \fn bool QList::iterator::operator>(const iterator& other) const
+    \fn bool QList::iterator::operator>(const const_iterator& other) const
+
+    Returns true if the item pointed to by this iterator is greater
+    than the item pointed to by the \a other iterator.
+*/
+
+/*!
+    \fn bool QList::iterator::operator>=(const iterator& other) const
+    \fn bool QList::iterator::operator>=(const const_iterator& other) const
+
+    Returns true if the item pointed to by this iterator is greater
+    than or equal to the item pointed to by the \a other iterator.
+*/
+
+/*! \fn QList::iterator &QList::iterator::operator++()
+
+    The prefix ++ operator (\c{++it}) advances the iterator to the
+    next item in the list and returns an iterator to the new current
+    item.
+
+    Calling this function on QList::end() leads to undefined results.
+
+    \sa operator--()
+*/
+
+/*! \fn QList::iterator QList::iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{it++}) advances the iterator to the
+    next item in the list and returns an iterator to the previously
+    current item.
+*/
+
+/*! \fn QList::iterator &QList::iterator::operator--()
+
+    The prefix -- operator (\c{--it}) makes the preceding item
+    current and returns an iterator to the new current item.
+
+    Calling this function on QList::begin() leads to undefined results.
+
+    \sa operator++()
+*/
+
+/*! \fn QList::iterator QList::iterator::operator--(int)
+
+    \overload
+
+    The postfix -- operator (\c{it--}) makes the preceding item
+    current and returns an iterator to the previously current item.
+*/
+
+/*! \fn QList::iterator &QList::iterator::operator+=(int j)
+
+    Advances the iterator by \a j items. (If \a j is negative, the
+    iterator goes backward.)
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QList::iterator &QList::iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j items. (If \a j is negative,
+    the iterator goes forward.)
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \fn QList::iterator QList::iterator::operator+(int j) const
+
+    Returns an iterator to the item at \a j positions forward from
+    this iterator. (If \a j is negative, the iterator goes backward.)
+
+    \sa operator-(), operator+=()
+*/
+
+/*! \fn QList::iterator QList::iterator::operator-(int j) const
+
+    Returns an iterator to the item at \a j positions backward from
+    this iterator. (If \a j is negative, the iterator goes forward.)
+
+    \sa operator+(), operator-=()
+*/
+
+/*! \fn int QList::iterator::operator-(iterator other) const
+
+    Returns the number of items between the item pointed to by \a
+    other and the item pointed to by this iterator.
+*/
+
+/*! \class QList::const_iterator
+    \brief The QList::const_iterator class provides an STL-style const iterator for QList and QQueue.
+
+    QList provides both \l{STL-style iterators} and \l{Java-style
+    iterators}. The STL-style iterators are more low-level and more
+    cumbersome to use; on the other hand, they are slightly faster
+    and, for developers who already know STL, have the advantage of
+    familiarity.
+
+    QList\<T\>::const_iterator allows you to iterate over a
+    QList\<T\> (or a QQueue\<T\>). If you want to modify the QList as
+    you iterate over it, use QList::iterator instead. It is generally
+    good practice to use QList::const_iterator on a non-const QList
+    as well, unless you need to change the QList through the
+    iterator. Const iterators are slightly faster, and can improve
+    code readability.
+
+    The default QList::const_iterator constructor creates an
+    uninitialized iterator. You must initialize it using a QList
+    function like QList::constBegin(), QList::constEnd(), or
+    QList::insert() before you can start iterating. Here's a typical
+    loop that prints all the items stored in a list:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 19
+
+    Most QList functions accept an integer index rather than an
+    iterator. For that reason, iterators are rarely useful in
+    connection with QList. One place where STL-style iterators do
+    make sense is as arguments to \l{generic algorithms}.
+
+    For example, here's how to delete all the widgets stored in a
+    QList\<QWidget *\>:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 20
+
+    Multiple iterators can be used on the same list. However, be
+    aware that any non-const function call performed on the QList
+    will render all existing iterators undefined. If you need to keep
+    iterators over a long period of time, we recommend that you use
+    QLinkedList rather than QList.
+
+    \sa QList::iterator, QListIterator
+*/
+
+/*! \fn QList::const_iterator::const_iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like operator*() and operator++() should not be called
+    on an uninitialized iterartor. Use operator=() to assign a value
+    to it before using it.
+
+    \sa QList::constBegin() QList::constEnd()
+*/
+
+/*! \typedef QList::const_iterator::iterator_category
+
+    \internal
+*/
+
+/*! \typedef QList::const_iterator::difference_type
+
+    \internal
+*/
+
+/*! \typedef QList::const_iterator::value_type
+
+    \internal
+*/
+
+/*! \typedef QList::const_iterator::pointer
+
+    \internal
+*/
+
+/*! \typedef QList::const_iterator::reference
+
+    \internal
+*/
+
+/*! \fn QList::const_iterator::const_iterator(Node *node)
+
+    \internal
+*/
+
+/*! \fn QList::const_iterator::const_iterator(const const_iterator &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn QList::const_iterator::const_iterator(const iterator &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn const T &QList::const_iterator::operator*() const
+
+    Returns the current item.
+
+    \sa operator->()
+*/
+
+/*! \fn const T *QList::const_iterator::operator->() const
+
+    Returns a pointer to the current item.
+
+    \sa operator*()
+*/
+
+/*! \fn const T &QList::const_iterator::operator[](int j) const
+
+    Returns the item at position *this + \a{j}.
+
+    This function is provided to make QList iterators behave like C++
+    pointers.
+
+    \sa operator+()
+*/
+
+/*! \fn bool QList::const_iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same item as this
+    iterator; otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QList::const_iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different item than this
+    iterator; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*!
+    \fn bool QList::const_iterator::operator<(const const_iterator& other) const
+
+    Returns true if the item pointed to by this iterator is less than
+    the item pointed to by the \a other iterator.
+*/
+
+/*!
+    \fn bool QList::const_iterator::operator<=(const const_iterator& other) const
+
+    Returns true if the item pointed to by this iterator is less than
+    or equal to the item pointed to by the \a other iterator.
+*/
+
+/*!
+    \fn bool QList::const_iterator::operator>(const const_iterator& other) const
+
+    Returns true if the item pointed to by this iterator is greater
+    than the item pointed to by the \a other iterator.
+*/
+
+/*!
+    \fn bool QList::const_iterator::operator>=(const const_iterator& other) const
+
+    Returns true if the item pointed to by this iterator is greater
+    than or equal to the item pointed to by the \a other iterator.
+*/
+
+/*! \fn QList::const_iterator &QList::const_iterator::operator++()
+
+    The prefix ++ operator (\c{++it}) advances the iterator to the
+    next item in the list and returns an iterator to the new current
+    item.
+
+    Calling this function on QList::end() leads to undefined results.
+
+    \sa operator--()
+*/
+
+/*! \fn QList::const_iterator QList::const_iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{it++}) advances the iterator to the
+    next item in the list and returns an iterator to the previously
+    current item.
+*/
+
+/*! \fn QList::const_iterator &QList::const_iterator::operator--()
+
+    The prefix -- operator (\c{--it}) makes the preceding item
+    current and returns an iterator to the new current item.
+
+    Calling this function on QList::begin() leads to undefined results.
+
+    \sa operator++()
+*/
+
+/*! \fn QList::const_iterator QList::const_iterator::operator--(int)
+
+    \overload
+
+    The postfix -- operator (\c{it--}) makes the preceding item
+    current and returns an iterator to the previously current item.
+*/
+
+/*! \fn QList::const_iterator &QList::const_iterator::operator+=(int j)
+
+    Advances the iterator by \a j items. (If \a j is negative, the
+    iterator goes backward.)
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QList::const_iterator &QList::const_iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j items. (If \a j is negative,
+    the iterator goes forward.)
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \fn QList::const_iterator QList::const_iterator::operator+(int j) const
+
+    Returns an iterator to the item at \a j positions forward from
+    this iterator. (If \a j is negative, the iterator goes backward.)
+
+    \sa operator-(), operator+=()
+*/
+
+/*! \fn QList::const_iterator QList::const_iterator::operator-(int j) const
+
+    Returns an iterator to the item at \a j positions backward from
+    this iterator. (If \a j is negative, the iterator goes forward.)
+
+    \sa operator+(), operator-=()
+*/
+
+/*! \fn int QList::const_iterator::operator-(const_iterator other) const
+
+    Returns the number of items between the item pointed to by \a
+    other and the item pointed to by this iterator.
+*/
+
+/*! \fn QDataStream &operator<<(QDataStream &out, const QList<T> &list)
+    \relates QList
+
+    Writes the list \a list to stream \a out.
+
+    This function requires the value type to implement \c
+    operator<<().
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+/*! \fn QDataStream &operator>>(QDataStream &in, QList<T> &list)
+    \relates QList
+
+    Reads a list from stream \a in into \a list.
+
+    This function requires the value type to implement \c
+    operator>>().
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+/*!
+    \fn iterator QList::remove(iterator pos)
+
+    Use erase() instead.
+*/
+
+/*!
+    \fn int QList::remove(const T &t)
+
+    Use removeAll() instead.
+*/
+
+/*!
+    \fn int QList::findIndex(const T& t) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn iterator QList::find(const T& t)
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn const_iterator QList::find (const T& t) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn iterator QList::find(iterator from, const T& t)
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn const_iterator QList::find(const_iterator from, const T& t) const
+
+    Use indexOf() instead.
+*/
+
+/*! \fn QList<T> QList<T>::fromVector(const QVector<T> &vector)
+
+    Returns a QList object with the data contained in \a vector.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 21
+
+    \sa fromSet(), toVector(), QVector::toList()
+*/
+
+/*! \fn QVector<T> QList<T>::toVector() const
+
+    Returns a QVector object with the data contained in this QList.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 22
+
+    \sa toSet(), fromVector(), QVector::fromList()
+*/
+
+/*! \fn QList<T> QList<T>::fromSet(const QSet<T> &set)
+
+    Returns a QList object with the data contained in \a set. The
+    order of the elements in the QList is undefined.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 23
+
+    \sa fromVector(), toSet(), QSet::toList(), qSort()
+*/
+
+/*! \fn QSet<T> QList<T>::toSet() const
+
+    Returns a QSet object with the data contained in this QList.
+    Since QSet doesn't allow duplicates, the resulting QSet might be
+    smaller than the original list was.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 24
+
+    \sa toVector(), fromSet(), QSet::fromList()
+*/
+
+/*! \fn QList<T> QList<T>::fromStdList(const std::list<T> &list)
+
+    Returns a QList object with the data contained in \a list. The
+    order of the elements in the QList is the same as in \a list.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 25
+
+    \sa toStdList(), QVector::fromStdVector()
+*/
+
+/*! \fn std::list<T> QList<T>::toStdList() const
+
+    Returns a std::list object with the data contained in this QList.
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlistdata.cpp 26
+
+    \sa fromStdList(), QVector::toStdVector()
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
new file mode 100644
index 0000000000..db2fc26409
--- /dev/null
+++ b/src/corelib/tools/qlocale.cpp
@@ -0,0 +1,7220 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qglobal.h"
+
+#ifndef QT_NO_SYSTEMLOCALE
+#define QLOCALE_CPP
+QT_BEGIN_NAMESPACE
+class QSystemLocale;
+static QSystemLocale *QSystemLocale_globalSystemLocale();
+QT_END_NAMESPACE
+#endif
+
+#include "qplatformdefs.h"
+
+#include "qdatastream.h"
+#include "qstring.h"
+#include "qlocale.h"
+#include "qlocale_p.h"
+#include "qdatetime_p.h"
+#include "qnamespace.h"
+#include "qdatetime.h"
+#include "qstringlist.h"
+#include "qvariant.h"
+#if defined(Q_WS_WIN)
+#   include "qt_windows.h"
+#   include <time.h>
+#endif
+#if !defined(QWS) && defined(Q_OS_MAC)
+#   include "private/qcore_mac_p.h"
+#   include <CoreFoundation/CoreFoundation.h>
+#endif
+#include "private/qnumeric_p.h"
+
+#include <ctype.h>
+#include <float.h>
+#include <limits.h>
+#include <math.h>
+#include <stdlib.h>
+#include <qdebug.h>
+#include <time.h>
+
+#if defined(Q_OS_LINUX) && !defined(__UCLIBC__)
+#    include <fenv.h>
+#endif
+
+#if !defined(QT_QLOCALE_NEEDS_VOLATILE)
+#  if defined(Q_CC_GNU)
+#    if  __GNUC__ == 4
+#      define QT_QLOCALE_NEEDS_VOLATILE
+#    elif defined(Q_OS_WIN)
+#      define QT_QLOCALE_NEEDS_VOLATILE
+#    endif
+#  endif
+#endif
+
+#if defined(QT_QLOCALE_NEEDS_VOLATILE)
+#   define NEEDS_VOLATILE volatile
+#else
+#   define NEEDS_VOLATILE
+#endif
+
+// Sizes as defined by the ISO C99 standard - fallback
+#ifndef LLONG_MAX
+#   define LLONG_MAX Q_INT64_C(0x7fffffffffffffff)
+#endif
+#ifndef LLONG_MIN
+#   define LLONG_MIN (-LLONG_MAX - Q_INT64_C(1))
+#endif
+#ifndef ULLONG_MAX
+#   define ULLONG_MAX Q_UINT64_C(0xffffffffffffffff)
+#endif
+
+#define CONVERSION_BUFF_SIZE 255
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_QLOCALE_USES_FCVT
+static char *_qdtoa( NEEDS_VOLATILE double d, int mode, int ndigits, int *decpt,
+                        int *sign, char **rve, char **digits_str);
+#endif
+Q_CORE_EXPORT char *qdtoa(double d, int mode, int ndigits, int *decpt,
+                        int *sign, char **rve, char **digits_str);
+Q_CORE_EXPORT double qstrtod(const char *s00, char const **se, bool *ok);
+Q_CORE_EXPORT qlonglong qstrtoll(const char *nptr, const char **endptr, register int base, bool *ok);
+static qulonglong qstrtoull(const char *nptr, const char **endptr, register int base, bool *ok);
+
+/******************************************************************************
+** Helpers for accessing Qt locale database
+*/
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include "qlocale_data_p.h"
+QT_END_INCLUDE_NAMESPACE
+
+QLocale::MeasurementSystem QLocalePrivate::measurementSystem() const
+{
+    for (int i = 0; i < ImperialMeasurementSystemsCount; ++i) {
+        if (ImperialMeasurementSystems[i].languageId == m_language_id
+            && ImperialMeasurementSystems[i].countryId == m_country_id) {
+            return QLocale::ImperialSystem;
+        }
+    }
+    return QLocale::MetricSystem;
+}
+
+// Assumes that code is a
+// QChar code[3];
+// If the code is two-digit the third digit must be 0
+static QLocale::Language codeToLanguage(const QChar *code)
+{
+    ushort uc1 = code[0].unicode();
+    ushort uc2 = code[1].unicode();
+    ushort uc3 = code[2].unicode();
+
+    if (uc1 == 'n' && uc2 == 'o' && uc3 == 0)
+        uc2 = 'b';
+
+    const unsigned char *c = language_code_list;
+    for (; *c != 0; c += 3) {
+        if (uc1 == c[0] && uc2 == c[1] && uc3 == c[2])
+            return QLocale::Language((c - language_code_list)/3);
+    }
+
+    return QLocale::C;
+}
+
+// Assumes that code is a
+// QChar code[2];
+static QLocale::Country codeToCountry(const QChar *code)
+{
+    ushort uc1 = code[0].unicode();
+    ushort uc2 = code[1].unicode();
+
+    const unsigned char *c = country_code_list;
+    for (; *c != 0; c += 2) {
+        if (uc1 == c[0] && uc2 == c[1])
+            return QLocale::Country((c - country_code_list)/2);
+    }
+
+    return QLocale::AnyCountry;
+}
+
+static QString languageToCode(QLocale::Language language)
+{
+    if (language == QLocale::C)
+        return QLatin1String("C");
+
+    const unsigned char *c = language_code_list + 3*(uint(language));
+
+    QString code;
+    code.resize(c[2] == 0 ? 2 : 3);
+
+    code[0] = ushort(c[0]);
+    code[1] = ushort(c[1]);
+    if (c[2] != 0)
+        code[2] = ushort(c[2]);
+
+    return code;
+}
+
+static QString countryToCode(QLocale::Country country)
+{
+    if (country == QLocale::AnyCountry)
+        return QString();
+
+    QString code;
+    code.resize(2);
+    const unsigned char *c = country_code_list + 2*(uint(country));
+    code[0] = ushort(c[0]);
+    code[1] = ushort(c[1]);
+    return code;
+}
+
+static const QLocalePrivate *findLocale(QLocale::Language language, QLocale::Country country)
+{
+    unsigned language_id = language;
+    unsigned country_id = country;
+
+    uint idx = locale_index[language_id];
+
+    const QLocalePrivate *d = locale_data + idx;
+
+    if (idx == 0) // default language has no associated country
+        return d;
+
+    if (country == QLocale::AnyCountry)
+        return d;
+
+    Q_ASSERT(d->languageId() == language_id);
+
+    while (d->languageId() == language_id
+                && d->countryId() != country_id)
+        ++d;
+
+    if (d->countryId() == country_id
+            && d->languageId() == language_id)
+        return d;
+
+    return locale_data + idx;
+}
+
+static bool splitLocaleName(const QString &name, QChar *lang_begin, QChar *cntry_begin)
+{
+    for (int i = 0; i < 3; ++i)
+        lang_begin[i] = 0;
+    for (int i = 0; i < 2; ++i)
+        cntry_begin[i] = 0;
+
+    int l = name.length();
+
+    QChar *lang = lang_begin;
+    QChar *cntry = cntry_begin;
+
+    int state = 0;
+    const QChar *uc = name.unicode();
+    for (int i = 0; i < l; ++i) {
+        if (uc->unicode() == '.' || uc->unicode() == '@')
+            break;
+
+        switch (state) {
+            case 0:
+                // parsing language
+                if (uc->unicode() == '_') {
+                    state = 1;
+                    break;
+                }
+                if (lang - lang_begin == 3)
+                    return false;
+                if (uc->unicode() < 'a' || uc->unicode() > 'z')
+                    return false;
+
+                *lang = *uc;
+                ++lang;
+                break;
+            case 1:
+                // parsing country
+                if (cntry - cntry_begin == 2) {
+                    cntry_begin[0] = 0;
+                    break;
+                }
+
+                *cntry = *uc;
+                ++cntry;
+                break;
+        }
+
+        ++uc;
+    }
+
+    int lang_len = lang - lang_begin;
+
+    return lang_len == 2 || lang_len == 3;
+}
+
+static void getLangAndCountry(const QString &name, QLocale::Language &lang, QLocale::Country &cntry)
+{
+    lang = QLocale::C;
+    cntry = QLocale::AnyCountry;
+
+    QChar lang_code[3];
+    QChar cntry_code[2];
+    if (!splitLocaleName(name, lang_code, cntry_code))
+        return;
+
+    lang = codeToLanguage(lang_code);
+    if (lang == QLocale::C)
+        return;
+
+    if (cntry_code[0].unicode() != 0)
+        cntry = codeToCountry(cntry_code);
+}
+
+static const QLocalePrivate *findLocale(const QString &name)
+{
+    QLocale::Language lang;
+    QLocale::Country cntry;
+    getLangAndCountry(name, lang, cntry);
+
+    return findLocale(lang, cntry);
+}
+static QString readEscapedFormatString(const QString &format, int *idx)
+{
+    int &i = *idx;
+
+    Q_ASSERT(format.at(i).unicode() == '\'');
+    ++i;
+    if (i == format.size())
+        return QString();
+    if (format.at(i).unicode() == '\'') { // "''" outside of a quoted stirng
+        ++i;
+        return QLatin1String("'");
+    }
+
+    QString result;
+
+    while (i < format.size()) {
+        if (format.at(i).unicode() == '\'') {
+            if (i + 1 < format.size() && format.at(i + 1).unicode() == '\'') {
+                // "''" inside of a quoted string
+                result.append(QLatin1Char('\''));
+                i += 2;
+            } else {
+                break;
+            }
+        } else {
+            result.append(format.at(i++));
+        }
+    }
+    if (i < format.size())
+        ++i;
+
+    return result;
+}
+
+static int repeatCount(const QString &s, int i)
+{
+    QChar c = s.at(i);
+    int j = i + 1;
+    while (j < s.size() && s.at(j) == c)
+        ++j;
+    return j - i;
+}
+
+static const QLocalePrivate *default_lp = 0;
+static uint default_number_options = 0;
+
+#ifndef QT_NO_SYSTEMLOCALE
+static QByteArray envVarLocale()
+{
+    static QByteArray lang = 0;
+#ifdef Q_OS_UNIX
+    lang = qgetenv("LC_ALL");
+    if (lang.isNull())
+        lang = qgetenv("LC_NUMERIC");
+    if (lang.isNull())
+#endif
+        lang = qgetenv("LANG");
+    return lang;
+}
+
+
+#if defined(Q_OS_WIN)
+/******************************************************************************
+** Wrappers for Windows locale system functions
+*/
+
+static const char *winLangCodeToIsoName(int code);
+static QString winIso639LangName(LCID id = LOCALE_USER_DEFAULT);
+static QString winIso3116CtryName(LCID id = LOCALE_USER_DEFAULT);
+
+static QString getWinLocaleInfo(LCTYPE type)
+{
+    int cnt = 0;
+
+    LCID id = GetUserDefaultLCID();
+
+    QT_WA({
+        cnt = GetLocaleInfoW(id, type, 0, 0)*2;
+    } , {
+        cnt = GetLocaleInfoA(id, type, 0, 0);
+    });
+
+    if (cnt == 0) {
+        qWarning("QLocale: empty windows locale info (%d)", (int)type);
+        return QString();
+    }
+
+    QByteArray buff(cnt, 0);
+
+    QT_WA({
+        cnt = GetLocaleInfoW(id, type,
+                                reinterpret_cast<wchar_t*>(buff.data()),
+                                buff.size()/2);
+    } , {
+        cnt = GetLocaleInfoA(id, type,
+                                buff.data(), buff.size());
+    });
+
+    if (cnt == 0) {
+        qWarning("QLocale: empty windows locale info (%d)", (int)type);
+        return QString();
+    }
+
+    QString result;
+    QT_WA({
+        result = QString::fromUtf16(reinterpret_cast<ushort*>(buff.data()));
+    } , {
+        result = QString::fromLocal8Bit(buff.data());
+    });
+    return result;
+}
+
+QByteArray getWinLocaleName(LCID id = LOCALE_USER_DEFAULT)
+{
+    QByteArray result;
+    if (id == LOCALE_USER_DEFAULT) {
+        result = envVarLocale();
+        QChar lang[3];
+        QChar cntry[2];
+        if ( result == "C" || !result.isEmpty()
+                && splitLocaleName(QString::fromLocal8Bit(result), lang, cntry) ) {
+            long id = 0;
+            bool ok = false;
+            id = qstrtoll(result.data(), 0, 0, &ok);
+            if ( !ok || id == 0 || id < INT_MIN || id > INT_MAX )
+                return result;
+            else
+                return winLangCodeToIsoName( (int)id );
+        }
+    }
+
+    if (QSysInfo::WindowsVersion == QSysInfo::WV_95
+        || (QSysInfo::WindowsVersion & QSysInfo::WV_CE_based)) {
+        result = winLangCodeToIsoName(id != LOCALE_USER_DEFAULT ? id : GetUserDefaultLCID());
+    } else {
+        if (id == LOCALE_USER_DEFAULT)
+            id = GetUserDefaultLCID();
+        QString resultuage = winIso639LangName(id);
+        QString country = winIso3116CtryName(id);
+        result = resultuage.toLatin1();
+        if (!country.isEmpty()) {
+            result += '_';
+            result += country.toLatin1();
+        }
+    }
+
+    return result;
+}
+
+Q_CORE_EXPORT QLocale qt_localeFromLCID(LCID id)
+{
+    return QLocale(QString::fromLatin1(getWinLocaleName(id)));
+}
+
+static QString winToQtFormat(const QString &sys_fmt)
+{
+    QString result;
+    int i = 0;
+
+    while (i < sys_fmt.size()) {
+        if (sys_fmt.at(i).unicode() == QLatin1Char('\'')) {
+            QString text = readEscapedFormatString(sys_fmt, &i);
+            if (text == QLatin1String("'"))
+                result += QLatin1String("''");
+            else
+                result += QLatin1Char('\'') + text + QLatin1Char('\'');
+            continue;
+        }
+
+        QChar c = sys_fmt.at(i);
+        int repeat = repeatCount(sys_fmt, i);
+
+        switch (c.unicode()) {
+            // Date
+            case 'y':
+                if (repeat > 5)
+                    repeat = 5;
+                else if (repeat == 3)
+                    repeat = 2;
+                switch (repeat) {
+                    case 1:
+                        result += QLatin1String("yy"); // "y" unsupported by Qt, use "yy"
+                        break;
+                    case 5:
+                        result += QLatin1String("yyyy"); // "yyyyy" same as "yyyy" on Windows
+                        break;
+                    default:
+                        result += QString(repeat, QLatin1Char('y'));
+                        break;
+                }
+                break;
+            case 'g':
+                if (repeat > 2)
+                    repeat = 2;
+                switch (repeat) {
+                    case 2:
+                        break; // no equivalent of "gg" in Qt
+                    default:
+                        result += QLatin1Char('g');
+                        break;
+                }
+                break;
+            case 't':
+                if (repeat > 2)
+                    repeat = 2;
+                result += QLatin1String("AP"); // "t" unsupported, use "AP"
+                break;
+            default:
+                result += QString(repeat, c);
+                break;
+        }
+
+        i += repeat;
+    }
+
+    return result;
+}
+
+
+
+static QString winDateToString(const QDate &date, DWORD flags)
+{
+    SYSTEMTIME st;
+    memset(&st, 0, sizeof(SYSTEMTIME));
+    st.wYear = date.year();
+    st.wMonth = date.month();
+    st.wDay = date.day();
+
+    LCID id = GetUserDefaultLCID();
+
+    QT_WA({
+        TCHAR buf[255];
+        if (GetDateFormatW(id, flags, &st, 0, buf, 255))
+            return QString::fromUtf16((ushort*)buf);
+    } , {
+        char buf[255];
+        if (GetDateFormatA(id, flags, &st, 0, (char*)&buf, 255))
+            return QString::fromLocal8Bit(buf);
+    });
+
+    return QString();
+}
+
+static QString winTimeToString(const QTime &time)
+{
+    SYSTEMTIME st;
+    memset(&st, 0, sizeof(SYSTEMTIME));
+    st.wHour = time.hour();
+    st.wMinute = time.minute();
+    st.wSecond = time.second();
+    st.wMilliseconds = 0;
+
+    DWORD flags = 0;
+    LCID id = GetUserDefaultLCID();
+
+    QT_WA({
+        TCHAR buf[255];
+        if (GetTimeFormatW(id, flags, &st, 0, buf, 255))
+            return QString::fromUtf16((ushort*)buf);
+    } , {
+        char buf[255];
+        if (GetTimeFormatA(id, flags, &st, 0, (char*)&buf, 255))
+            return QString::fromLocal8Bit(buf);
+    });
+
+    return QString();
+}
+
+static QString winDayName(int day, bool short_format)
+{
+    static const LCTYPE short_day_map[]
+        = { LOCALE_SABBREVDAYNAME1, LOCALE_SABBREVDAYNAME2,
+            LOCALE_SABBREVDAYNAME3, LOCALE_SABBREVDAYNAME4, LOCALE_SABBREVDAYNAME5,
+            LOCALE_SABBREVDAYNAME6, LOCALE_SABBREVDAYNAME7 };
+
+    static const LCTYPE long_day_map[]
+        = { LOCALE_SDAYNAME1, LOCALE_SDAYNAME2,
+            LOCALE_SDAYNAME3, LOCALE_SDAYNAME4, LOCALE_SDAYNAME5,
+            LOCALE_SDAYNAME6, LOCALE_SDAYNAME7 };
+
+    day -= 1;
+
+    LCTYPE type = short_format
+                    ? short_day_map[day] : long_day_map[day];
+    return getWinLocaleInfo(type);
+}
+
+static QString winMonthName(int month, bool short_format)
+{
+    static const LCTYPE short_month_map[]
+        = { LOCALE_SABBREVMONTHNAME1, LOCALE_SABBREVMONTHNAME2, LOCALE_SABBREVMONTHNAME3,
+            LOCALE_SABBREVMONTHNAME4, LOCALE_SABBREVMONTHNAME5, LOCALE_SABBREVMONTHNAME6,
+            LOCALE_SABBREVMONTHNAME7, LOCALE_SABBREVMONTHNAME8, LOCALE_SABBREVMONTHNAME9,
+            LOCALE_SABBREVMONTHNAME10, LOCALE_SABBREVMONTHNAME11, LOCALE_SABBREVMONTHNAME12 };
+
+    static const LCTYPE long_month_map[]
+        = { LOCALE_SMONTHNAME1, LOCALE_SMONTHNAME2, LOCALE_SMONTHNAME3,
+            LOCALE_SMONTHNAME4, LOCALE_SMONTHNAME5, LOCALE_SMONTHNAME6,
+            LOCALE_SMONTHNAME7, LOCALE_SMONTHNAME8, LOCALE_SMONTHNAME9,
+            LOCALE_SMONTHNAME10, LOCALE_SMONTHNAME11, LOCALE_SMONTHNAME12 };
+
+    month -= 1;
+    if (month < 0 || month > 11)
+    return QString();
+
+    LCTYPE type = short_format ? short_month_map[month] : long_month_map[month];
+    return getWinLocaleInfo(type);
+}
+
+static QLocale::MeasurementSystem winSystemMeasurementSystem()
+{
+    LCID id = GetUserDefaultLCID();
+    TCHAR output[2];
+
+    if (GetLocaleInfo(id, LOCALE_IMEASURE, output, 2)) {
+        QString iMeasure = QT_WA_INLINE(
+                QString::fromUtf16(reinterpret_cast<ushort*>(output)),
+                QString::fromLocal8Bit(reinterpret_cast<char*>(output)));
+        if (iMeasure == QString::fromLatin1("1")) {
+            return QLocale::ImperialSystem;
+        }
+    }
+
+    return QLocale::MetricSystem;
+}
+
+static QString winSystemAMText()
+{
+    LCID id = GetUserDefaultLCID();
+    TCHAR output[15]; // maximum length including  terminating zero character for Win2003+
+
+    if (GetLocaleInfo(id, LOCALE_S1159, output, 15)) {
+        return QT_WA_INLINE(
+                QString::fromUtf16(reinterpret_cast<ushort*>(output)),
+                QString::fromLocal8Bit(reinterpret_cast<char*>(output)));
+    }
+
+    return QString();
+}
+
+static QString winSystemPMText()
+{
+    LCID id = GetUserDefaultLCID();
+    TCHAR output[15]; // maximum length including  terminating zero character for Win2003+
+
+    if (GetLocaleInfo(id, LOCALE_S2359, output, 15)) {
+        return QT_WA_INLINE(
+                QString::fromUtf16(reinterpret_cast<ushort*>(output)),
+                QString::fromLocal8Bit(reinterpret_cast<char*>(output)));
+    }
+
+    return QString();
+}
+
+QLocale QSystemLocale::fallbackLocale() const
+{
+    return QLocale(QString::fromLatin1(getWinLocaleName()));
+}
+
+QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
+{
+    LCTYPE locale_info = 0;
+    bool format_string = false;
+
+    switch(type) {
+//     case Name:
+//         return getWinLocaleName();
+    case DecimalPoint:
+        locale_info = LOCALE_SDECIMAL;
+        break;
+    case GroupSeparator:
+        locale_info = LOCALE_STHOUSAND;
+        break;
+    case NegativeSign:
+        locale_info = LOCALE_SNEGATIVESIGN;
+        break;
+    case PositiveSign:
+        locale_info = LOCALE_SPOSITIVESIGN;
+        break;
+    case DateFormatLong:
+        locale_info = LOCALE_SLONGDATE;
+        format_string = true;
+        break;
+    case DateFormatShort:
+        locale_info = LOCALE_SSHORTDATE;
+        format_string = true;
+        break;
+    case TimeFormatLong:
+    case TimeFormatShort:
+        locale_info = LOCALE_STIMEFORMAT;
+        format_string = true;
+        break;
+
+    case DateTimeFormatLong:
+    case DateTimeFormatShort:
+        return query(type == DateTimeFormatLong ? DateFormatLong : DateFormatShort).toString()
+            + QLatin1Char(' ') + query(type == DateTimeFormatLong ? TimeFormatLong : TimeFormatShort).toString();
+    case DayNameLong:
+    case DayNameShort:
+        return winDayName(in.toInt(), (type == DayNameShort));
+    case MonthNameLong:
+    case MonthNameShort:
+        return winMonthName(in.toInt(), (type == MonthNameShort));
+    case DateToStringShort:
+    case DateToStringLong:
+        return winDateToString(in.toDate(), type == DateToStringShort ? DATE_SHORTDATE : DATE_LONGDATE);
+    case TimeToStringShort:
+    case TimeToStringLong:
+        return winTimeToString(in.toTime());
+    case DateTimeToStringShort:
+    case DateTimeToStringLong: {
+        const QDateTime dt = in.toDateTime();
+        return winDateToString(dt.date(), type == DateTimeToStringShort ? DATE_SHORTDATE : DATE_LONGDATE)
+            + QLatin1Char(' ') + winTimeToString(dt.time()); }
+
+    case ZeroDigit:
+        locale_info = LOCALE_SNATIVEDIGITS;
+        break;
+
+    case LanguageId:
+    case CountryId: {
+        QString locale = QString::fromLatin1(getWinLocaleName());
+        QLocale::Language lang;
+        QLocale::Country cntry;
+        getLangAndCountry(locale, lang, cntry);
+        if (type == LanguageId)
+            return lang;
+        if (cntry == QLocale::AnyCountry)
+            return fallbackLocale().country();
+        return cntry;
+    }
+
+    case MeasurementSystem:
+        return QVariant(static_cast<int>(winSystemMeasurementSystem()));
+
+    case AMText:
+        return QVariant(winSystemAMText());
+    case PMText:
+        return QVariant(winSystemPMText());
+    default:
+        break;
+    }
+    if (locale_info) {
+        QString result = getWinLocaleInfo(locale_info);
+        if (format_string)
+            result = winToQtFormat(result);
+        if (!result.isEmpty())
+            return result;
+    }
+    return QVariant();
+}
+
+/* Win95 doesn't have a function to return the ISO lang/country name of the user's locale.
+   Instead it can return a "Windows code". This maps windows codes to ISO country names. */
+
+struct WindowsToISOListElt {
+    int windows_code;
+    char iso_name[6];
+};
+
+static const WindowsToISOListElt windows_to_iso_list[] = {
+    { 0x0401, "ar_SA" },
+    { 0x0402, "bg\0  " },
+    { 0x0403, "ca\0  " },
+    { 0x0404, "zh_TW" },
+    { 0x0405, "cs\0  " },
+    { 0x0406, "da\0  " },
+    { 0x0407, "de\0  " },
+    { 0x0408, "el\0  " },
+    { 0x0409, "en_US" },
+    { 0x040a, "es\0  " },
+    { 0x040b, "fi\0  " },
+    { 0x040c, "fr\0  " },
+    { 0x040d, "he\0  " },
+    { 0x040e, "hu\0  " },
+    { 0x040f, "is\0  " },
+    { 0x0410, "it\0  " },
+    { 0x0411, "ja\0  " },
+    { 0x0412, "ko\0  " },
+    { 0x0413, "nl\0  " },
+    { 0x0414, "no\0  " },
+    { 0x0415, "pl\0  " },
+    { 0x0416, "pt_BR" },
+    { 0x0418, "ro\0  " },
+    { 0x0419, "ru\0  " },
+    { 0x041a, "hr\0  " },
+    { 0x041c, "sq\0  " },
+    { 0x041d, "sv\0  " },
+    { 0x041e, "th\0  " },
+    { 0x041f, "tr\0  " },
+    { 0x0420, "ur\0  " },
+    { 0x0421, "in\0  " },
+    { 0x0422, "uk\0  " },
+    { 0x0423, "be\0  " },
+    { 0x0425, "et\0  " },
+    { 0x0426, "lv\0  " },
+    { 0x0427, "lt\0  " },
+    { 0x0429, "fa\0  " },
+    { 0x042a, "vi\0  " },
+    { 0x042d, "eu\0  " },
+    { 0x042f, "mk\0  " },
+    { 0x0436, "af\0  " },
+    { 0x0438, "fo\0  " },
+    { 0x0439, "hi\0  " },
+    { 0x043e, "ms\0  " },
+    { 0x0458, "mt\0  " },
+    { 0x0801, "ar_IQ" },
+    { 0x0804, "zh_CN" },
+    { 0x0807, "de_CH" },
+    { 0x0809, "en_GB" },
+    { 0x080a, "es_MX" },
+    { 0x080c, "fr_BE" },
+    { 0x0810, "it_CH" },
+    { 0x0812, "ko\0  " },
+    { 0x0813, "nl_BE" },
+    { 0x0814, "no\0  " },
+    { 0x0816, "pt\0  " },
+    { 0x081a, "sr\0  " },
+    { 0x081d, "sv_FI" },
+    { 0x0c01, "ar_EG" },
+    { 0x0c04, "zh_HK" },
+    { 0x0c07, "de_AT" },
+    { 0x0c09, "en_AU" },
+    { 0x0c0a, "es\0  " },
+    { 0x0c0c, "fr_CA" },
+    { 0x0c1a, "sr\0  " },
+    { 0x1001, "ar_LY" },
+    { 0x1004, "zh_SG" },
+    { 0x1007, "de_LU" },
+    { 0x1009, "en_CA" },
+    { 0x100a, "es_GT" },
+    { 0x100c, "fr_CH" },
+    { 0x1401, "ar_DZ" },
+    { 0x1407, "de_LI" },
+    { 0x1409, "en_NZ" },
+    { 0x140a, "es_CR" },
+    { 0x140c, "fr_LU" },
+    { 0x1801, "ar_MA" },
+    { 0x1809, "en_IE" },
+    { 0x180a, "es_PA" },
+    { 0x1c01, "ar_TN" },
+    { 0x1c09, "en_ZA" },
+    { 0x1c0a, "es_DO" },
+    { 0x2001, "ar_OM" },
+    { 0x2009, "en_JM" },
+    { 0x200a, "es_VE" },
+    { 0x2401, "ar_YE" },
+    { 0x2409, "en\0  " },
+    { 0x240a, "es_CO" },
+    { 0x2801, "ar_SY" },
+    { 0x2809, "en_BZ" },
+    { 0x280a, "es_PE" },
+    { 0x2c01, "ar_JO" },
+    { 0x2c09, "en_TT" },
+    { 0x2c0a, "es_AR" },
+    { 0x3001, "ar_LB" },
+    { 0x300a, "es_EC" },
+    { 0x3401, "ar_KW" },
+    { 0x340a, "es_CL" },
+    { 0x3801, "ar_AE" },
+    { 0x380a, "es_UY" },
+    { 0x3c01, "ar_BH" },
+    { 0x3c0a, "es_PY" },
+    { 0x4001, "ar_QA" },
+    { 0x400a, "es_BO" },
+    { 0x440a, "es_SV" },
+    { 0x480a, "es_HN" },
+    { 0x4c0a, "es_NI" },
+    { 0x500a, "es_PR" }
+};
+
+static const int windows_to_iso_count
+    = sizeof(windows_to_iso_list)/sizeof(WindowsToISOListElt);
+
+static const char *winLangCodeToIsoName(int code)
+{
+    int cmp = code - windows_to_iso_list[0].windows_code;
+    if (cmp < 0)
+        return 0;
+
+    if (cmp == 0)
+        return windows_to_iso_list[0].iso_name;
+
+    int begin = 0;
+    int end = windows_to_iso_count;
+
+    while (end - begin > 1) {
+        uint mid = (begin + end)/2;
+
+        const WindowsToISOListElt *elt = windows_to_iso_list + mid;
+        int cmp = code - elt->windows_code;
+        if (cmp < 0)
+            end = mid;
+        else if (cmp > 0)
+            begin = mid;
+        else
+            return elt->iso_name;
+    }
+
+    return 0;
+
+}
+
+static QString winIso639LangName(LCID id)
+{
+    QString result;
+
+    // Windows returns the wrong ISO639 for some languages, we need to detect them here using
+    // the language code
+    QString lang_code;
+    QT_WA({
+        TCHAR out[256];
+        if (GetLocaleInfoW(id, LOCALE_ILANGUAGE, out, 255))
+            lang_code = QString::fromUtf16((ushort*)out);
+    } , {
+        char out[256];
+        if (GetLocaleInfoA(id, LOCALE_ILANGUAGE, out, 255))
+            lang_code = QString::fromLocal8Bit(out);
+    });
+
+    if (!lang_code.isEmpty()) {
+        const char *endptr;
+        bool ok;
+        QByteArray latin1_lang_code = lang_code.toLatin1();
+        int i = qstrtoull(latin1_lang_code, &endptr, 16, &ok);
+        if (ok && *endptr == '\0') {
+            switch (i) {
+                case 0x814:
+                    result = QLatin1String("nn"); // Nynorsk
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+
+    if (!result.isEmpty())
+        return result;
+
+    // not one of the problematic languages - do the usual lookup
+    QT_WA({
+        TCHAR out[256];
+        if (GetLocaleInfoW(id, LOCALE_SISO639LANGNAME , out, 255))
+            result = QString::fromUtf16((ushort*)out);
+    } , {
+        char out[256];
+        if (GetLocaleInfoA(id, LOCALE_SISO639LANGNAME, out, 255))
+            result = QString::fromLocal8Bit(out);
+    });
+
+    return result;
+}
+
+static QString winIso3116CtryName(LCID id)
+{
+    QString result;
+
+    QT_WA({
+        TCHAR out[256];
+        if (GetLocaleInfoW(id, LOCALE_SISO3166CTRYNAME, out, 255))
+            result = QString::fromUtf16((ushort*)out);
+    } , {
+        char out[256];
+        if (GetLocaleInfoA(id, LOCALE_SISO3166CTRYNAME, out, 255))
+            result = QString::fromLocal8Bit(out);
+    });
+
+    return result;
+}
+
+
+#elif defined(Q_OS_MAC)
+/******************************************************************************
+** Wrappers for Mac locale system functions
+*/
+
+static QByteArray getMacLocaleName()
+{
+    QByteArray result = envVarLocale();
+
+    QChar lang[3];
+    QChar cntry[2];
+    if (result.isEmpty() || result != "C"
+            && !splitLocaleName(QString::fromLocal8Bit(result), lang, cntry)) {
+        QCFType<CFLocaleRef> l = CFLocaleCopyCurrent();
+        CFStringRef locale = CFLocaleGetIdentifier(l);
+        result = QCFString::toQString(locale).toUtf8();
+    }
+    return result;
+}
+
+static QString macMonthName(int month, bool short_format)
+{
+    month -= 1;
+    if (month < 0 || month > 11)
+        return QString();
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
+        QCFType<CFDateFormatterRef> formatter
+            = CFDateFormatterCreate(0, QCFType<CFLocaleRef>(CFLocaleCopyCurrent()),
+                                    kCFDateFormatterNoStyle,  kCFDateFormatterNoStyle);
+        QCFType<CFArrayRef> values
+            = static_cast<CFArrayRef>(CFDateFormatterCopyProperty(formatter,
+                                      short_format ? kCFDateFormatterShortMonthSymbols
+                                                   : kCFDateFormatterMonthSymbols));
+        if (values != 0) {
+            CFStringRef cfstring = static_cast<CFStringRef>(CFArrayGetValueAtIndex(values, month));
+            return QCFString::toQString(cfstring);
+        }
+    }
+#endif
+    return QString();
+}
+
+
+static QString macDayName(int day, bool short_format)
+{
+    if (day < 1 || day > 7)
+        return QString();
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
+        QCFType<CFDateFormatterRef> formatter
+            = CFDateFormatterCreate(0, QCFType<CFLocaleRef>(CFLocaleCopyCurrent()),
+                                    kCFDateFormatterNoStyle,  kCFDateFormatterNoStyle);
+        QCFType<CFArrayRef> values = static_cast<CFArrayRef>(CFDateFormatterCopyProperty(formatter,
+                                                short_format ? kCFDateFormatterShortWeekdaySymbols
+                                                             : kCFDateFormatterWeekdaySymbols));
+        if (values != 0) {
+            CFStringRef cfstring = static_cast<CFStringRef>(CFArrayGetValueAtIndex(values, day % 7));
+            return QCFString::toQString(cfstring);
+        }
+    }
+#endif
+    return QString();
+}
+
+static QString macDateToString(const QDate &date, bool short_format)
+{
+    CFGregorianDate macGDate;
+    macGDate.year = date.year();
+    macGDate.month = date.month();
+    macGDate.day = date.day();
+    macGDate.hour = 0;
+    macGDate.minute = 0;
+    macGDate.second = 0.0;
+    QCFType<CFDateRef> myDate
+        = CFDateCreate(0, CFGregorianDateGetAbsoluteTime(macGDate,
+                                                         QCFType<CFTimeZoneRef>(CFTimeZoneCopyDefault())));
+    QCFType<CFLocaleRef> mylocale = CFLocaleCopyCurrent();
+    CFDateFormatterStyle style = short_format ? kCFDateFormatterShortStyle : kCFDateFormatterLongStyle;
+    QCFType<CFDateFormatterRef> myFormatter
+        = CFDateFormatterCreate(kCFAllocatorDefault,
+                                mylocale, style,
+                                kCFDateFormatterNoStyle);
+    return QCFString(CFDateFormatterCreateStringWithDate(0, myFormatter, myDate));
+}
+
+static QString macTimeToString(const QTime &time, bool short_format)
+{
+    CFGregorianDate macGDate;
+    // Assume this is local time and the current date
+    QDate dt = QDate::currentDate();
+    macGDate.year = dt.year();
+    macGDate.month = dt.month();
+    macGDate.day = dt.day();
+    macGDate.hour = time.hour();
+    macGDate.minute = time.minute();
+    macGDate.second = time.second();
+    QCFType<CFDateRef> myDate
+        = CFDateCreate(0, CFGregorianDateGetAbsoluteTime(macGDate,
+                                                         QCFType<CFTimeZoneRef>(CFTimeZoneCopyDefault())));
+
+    QCFType<CFLocaleRef> mylocale = CFLocaleCopyCurrent();
+    CFDateFormatterStyle style = short_format ? kCFDateFormatterShortStyle :  kCFDateFormatterLongStyle;
+    QCFType<CFDateFormatterRef> myFormatter = CFDateFormatterCreate(kCFAllocatorDefault,
+                                                                    mylocale,
+                                                                    kCFDateFormatterNoStyle,
+                                                                    style);
+    return QCFString(CFDateFormatterCreateStringWithDate(0, myFormatter, myDate));
+}
+
+static QString macToQtFormat(const QString &sys_fmt)
+{
+    QString result;
+    int i = 0;
+
+    while (i < sys_fmt.size()) {
+        if (sys_fmt.at(i).unicode() == '\'') {
+            QString text = readEscapedFormatString(sys_fmt, &i);
+            if (text == QLatin1String("'"))
+                result += QLatin1String("''");
+            else
+                result += QLatin1Char('\'') + text + QLatin1Char('\'');
+            continue;
+        }
+
+        QChar c = sys_fmt.at(i);
+        int repeat = repeatCount(sys_fmt, i);
+
+        switch (c.unicode()) {
+            case 'G': // Qt doesn't support these :(
+            case 'Y':
+            case 'D':
+            case 'F':
+            case 'w':
+            case 'W':
+            case 'g':
+                break;
+
+            case 'u': // extended year - use 'y'
+                if (repeat < 4)
+                    result += QLatin1String("yy");
+                else
+                    result += QLatin1String("yyyy");
+                break;
+            case 'S': // fractional second
+                if (repeat < 3)
+                    result += QLatin1String("z");
+                else
+                    result += QLatin1String("zzz");
+                break;
+            case 'E':
+                if (repeat <= 3)
+                    result += QLatin1String("ddd");
+                else
+                    result += QLatin1String("dddd");
+                break;
+            case 'e':
+                if (repeat >= 2)
+                    result += QLatin1String("dd");
+                else
+                    result += QLatin1String("d");
+                break;
+            case 'a':
+                result += QLatin1String("AP");
+                break;
+            case 'k':
+                result += QString(repeat, QLatin1Char('H'));
+                break;
+            case 'K':
+                result += QString(repeat, QLatin1Char('h'));
+                break;
+            case 'z':
+            case 'Z':
+            case 'v':
+                result += QLatin1Char('t');
+                break;
+            default:
+                result += QString(repeat, c);
+                break;
+        }
+
+        i += repeat;
+    }
+
+    return result;
+}
+
+QString getMacDateFormat(CFDateFormatterStyle style)
+{
+    QCFType<CFLocaleRef> l = CFLocaleCopyCurrent();
+    QCFType<CFDateFormatterRef> formatter = CFDateFormatterCreate(kCFAllocatorDefault,
+                                                                  l, style, kCFDateFormatterNoStyle);
+    return macToQtFormat(QCFString::toQString(CFDateFormatterGetFormat(formatter)));
+}
+
+static QString getMacTimeFormat(CFDateFormatterStyle style)
+{
+    QCFType<CFLocaleRef> l = CFLocaleCopyCurrent();
+    QCFType<CFDateFormatterRef> formatter = CFDateFormatterCreate(kCFAllocatorDefault,
+                                                                  l, kCFDateFormatterNoStyle, style);
+    return macToQtFormat(QCFString::toQString(CFDateFormatterGetFormat(formatter)));
+}
+
+static QString getCFLocaleValue(CFStringRef key)
+{
+    QCFType<CFLocaleRef> locale = CFLocaleCopyCurrent();
+    CFTypeRef value = CFLocaleGetValue(locale, key);
+    return QCFString::toQString(CFStringRef(static_cast<CFTypeRef>(value)));
+}
+
+static QLocale::MeasurementSystem macMeasurementSystem()
+{
+    QCFType<CFLocaleRef> locale = CFLocaleCopyCurrent();
+    CFStringRef system = static_cast<CFStringRef>(CFLocaleGetValue(locale, kCFLocaleMeasurementSystem));
+    if (QCFString::toQString(system) == QLatin1String("Metric")) {
+        return QLocale::MetricSystem;
+    } else {
+        return QLocale::ImperialSystem;
+    }
+}
+
+QLocale QSystemLocale::fallbackLocale() const
+{
+    return QLocale(QString::fromUtf8(getMacLocaleName().constData()));
+}
+
+QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
+{
+    switch(type) {
+//     case Name:
+//         return getMacLocaleName();
+    case DecimalPoint: {
+        QString value = getCFLocaleValue(kCFLocaleDecimalSeparator);
+        return value.isEmpty() ? QVariant() : value;
+    }
+    case GroupSeparator: {
+        QString value = getCFLocaleValue(kCFLocaleGroupingSeparator);
+        return value.isEmpty() ? QVariant() : value;
+    }
+    case DateFormatLong:
+    case DateFormatShort:
+        return macToQtFormat(getMacDateFormat(type == DateFormatShort
+                                ? kCFDateFormatterShortStyle
+                                : kCFDateFormatterLongStyle));
+    case TimeFormatLong:
+    case TimeFormatShort:
+        return macToQtFormat(getMacTimeFormat(type == TimeFormatShort
+                                ? kCFDateFormatterShortStyle
+                                : kCFDateFormatterLongStyle));
+    case DayNameLong:
+    case DayNameShort:
+        return macDayName(in.toInt(), (type == DayNameShort));
+    case MonthNameLong:
+    case MonthNameShort:
+        return macMonthName(in.toInt(), (type == MonthNameShort));
+    case DateToStringShort:
+    case DateToStringLong:
+        return macDateToString(in.toDate(), (type == DateToStringShort));
+    case TimeToStringShort:
+    case TimeToStringLong:
+        return macTimeToString(in.toTime(), (type == TimeToStringShort));
+
+    case NegativeSign:
+    case PositiveSign:
+    case ZeroDigit:
+    case LanguageId:
+    case CountryId:
+        break;
+
+    case MeasurementSystem:
+        return QVariant(static_cast<int>(macMeasurementSystem()));
+
+    case AMText:
+    case PMText:
+        break;
+    default:
+        break;
+    }
+    return QVariant();
+}
+
+#elif defined(Q_OS_UNIX)
+
+static uint unixGetSystemMeasurementSystem()
+{
+    QString meas_locale = QString::fromLocal8Bit(qgetenv("LC_ALL"));
+    if (meas_locale.isEmpty()) {
+        meas_locale = QString::fromLocal8Bit(qgetenv("LC_MEASUREMENT"));
+    }
+    if (meas_locale.isEmpty()) {
+        meas_locale = QString::fromLocal8Bit(qgetenv("LANG"));
+    }
+    if (meas_locale.isEmpty()) {
+        meas_locale = QString::fromLocal8Bit("C");
+    }
+
+    if (meas_locale.compare(QString::fromLocal8Bit("Metric"), Qt::CaseInsensitive) == 0)
+        return 0;
+    if (meas_locale.compare(QString::fromLocal8Bit("Other"), Qt::CaseInsensitive) == 0)
+        return 0;
+
+    const QLocalePrivate* locale = findLocale(meas_locale);
+    return locale->measurementSystem();
+}
+
+/*!
+    \internal
+*/
+QLocale QSystemLocale::fallbackLocale() const
+{
+    return QLocale(QLatin1String(envVarLocale()));
+}
+
+/*!
+    \internal
+*/
+QVariant QSystemLocale::query(QueryType type, QVariant /* in */) const
+{
+    if (type == MeasurementSystem) {
+        return QVariant(unixGetSystemMeasurementSystem());
+    } else {
+        return QVariant();
+    }
+}
+
+#else
+
+/*!
+    Returns a fallback locale, that will get used for everything that
+    is not explicitly overridden by the system locale.
+*/
+QLocale QSystemLocale::fallbackLocale() const
+{
+    return QLocale(QLatin1String(envVarLocale()));
+}
+
+/*!
+    Performs a query of the given \a type in the system locale for
+    customized values or conversion. If the method returns a null
+    QVariant, the conversion of the fallbackLocale() will be used.
+
+    \a in is unused for some of the query types.
+
+    \sa QSystemLocale::QueryType
+*/
+QVariant QSystemLocale::query(QueryType /* type */, QVariant /* in */) const
+{
+    return QVariant();
+}
+
+#endif
+
+#ifndef QT_NO_SYSTEMLOCALE
+static QSystemLocale *_systemLocale = 0;
+Q_GLOBAL_STATIC_WITH_ARGS(QSystemLocale, QSystemLocale_globalSystemLocale, (true))
+static QLocalePrivate *system_lp = 0;
+Q_GLOBAL_STATIC(QLocalePrivate, globalLocalePrivate)
+#endif
+
+/******************************************************************************
+** Default system locale behavior
+*/
+
+/*!
+    \class QSystemLocale
+    \brief The QSystemLocale class can be used to finetune the system locale
+    of the user.
+    \since 4.2
+
+    \ingroup i18n
+
+    \warning This class is only useful in very rare cases. Usually QLocale offers
+    all the functionality required for application development.
+
+    QSystemLocale allows to override the values provided by the system
+    locale (QLocale::system()).
+
+    \sa QLocale
+*/
+
+/*!
+  \enum QSystemLocale::QueryType
+
+  Specifies the type of information queried by query(). For each value
+  the type of information to return from the query() method is listed.
+
+  \value LanguageId a uint specifying the language.
+  \value CountryId a uint specifying the country.
+  \value DecimalPoint a QString specifying the decimal point.
+  \value GroupSeparator a QString specifying the group separator.
+  \value ZeroDigit a QString specifying the zero digit.
+  \value NegativeSign a QString specifying the minus sign.
+  \value PositiveSign a QString specifying the plus sign.
+  \value DateFormatLong a QString specifying the long date format
+  \value DateFormatShort a QString specifying the short date format
+  \value TimeFormatLong a QString specifying the long time format
+  \value TimeFormatShort a QString specifying the short time format
+  \value DayNameLong a QString specifying the name of a weekday. the in variant contains an integer between 1 and 7 (Monday - Sunday)
+  \value DayNameShort a QString specifying the short name of a weekday. the in variant contains an integer between 1 and 7 (Monday - Sunday)
+  \value MonthNameLong a QString specifying the name of a month. the in variant contains an integer between 1 and 12
+  \value MonthNameShort a QString specifying the short name of a month. the in variant contains an integer between 1 and 12
+  \value DateToStringLong converts the QDate stored in the in variant to a QString using the long date format
+  \value DateToStringShort converts the QDate stored in the in variant to a QString using the short date format
+  \value TimeToStringLong converts the QTime stored in the in variant to a QString using the long time format
+  \value TimeToStringShort converts the QTime stored in the in variant to a QString using the short time format
+  \value DateTimeFormatLong a QString specifying the long date time format
+  \value DateTimeFormatShort a QString specifying the short date time format
+  \value DateTimeToStringLong converts the QDateTime in the in variant to a QString using the long datetime format
+  \value DateTimeToStringShort converts the QDateTime in the in variant to a QString using the short datetime format
+  \value MeasurementSystem a QLocale::MeasurementSystem enum specifying the measurement system
+  \value AMText a string that represents the system AM designator associated with a 12-hour clock.
+  \value PMText a string that represents the system PM designator associated with a 12-hour clock.
+*/
+
+/*!
+  Constructs a QSystemLocale object. The constructor will automatically
+  install this object as the system locale and remove any earlier installed
+  system locales.
+*/
+QSystemLocale::QSystemLocale()
+{
+    delete _systemLocale;
+    _systemLocale = this;
+
+    if (system_lp)
+        system_lp->m_language_id = 0;
+}
+
+/*! \internal */
+QSystemLocale::QSystemLocale(bool)
+{ }
+
+/*!
+  Deletes the object.
+*/
+QSystemLocale::~QSystemLocale()
+{
+    if (_systemLocale == this) {
+        _systemLocale = 0;
+
+        if (system_lp)
+            system_lp->m_language_id = 0;
+    }
+}
+
+static const QSystemLocale *systemLocale()
+{
+    if (_systemLocale)
+        return _systemLocale;
+    return QSystemLocale_globalSystemLocale();
+}
+
+void QLocalePrivate::updateSystemPrivate()
+{
+    const QSystemLocale *sys_locale = systemLocale();
+    if (!system_lp)
+        system_lp = globalLocalePrivate();
+    *system_lp = *sys_locale->fallbackLocale().d();
+
+    QVariant res = sys_locale->query(QSystemLocale::LanguageId, QVariant());
+    if (!res.isNull())
+        system_lp->m_language_id = res.toInt();
+    res = sys_locale->query(QSystemLocale::CountryId, QVariant());
+    if (!res.isNull())
+        system_lp->m_country_id = res.toInt();
+
+    res = sys_locale->query(QSystemLocale::DecimalPoint, QVariant());
+    if (!res.isNull())
+        system_lp->m_decimal = res.toString().at(0).unicode();
+
+    res = sys_locale->query(QSystemLocale::GroupSeparator, QVariant());
+    if (!res.isNull())
+        system_lp->m_group = res.toString().at(0).unicode();
+
+    res = sys_locale->query(QSystemLocale::ZeroDigit, QVariant());
+    if (!res.isNull())
+        system_lp->m_zero = res.toString().at(0).unicode();
+
+    res = sys_locale->query(QSystemLocale::NegativeSign, QVariant());
+    if (!res.isNull())
+        system_lp->m_minus = res.toString().at(0).unicode();
+
+    res = sys_locale->query(QSystemLocale::PositiveSign, QVariant());
+    if (!res.isNull())
+        system_lp->m_plus = res.toString().at(0).unicode();
+}
+#endif
+
+static const QLocalePrivate *systemPrivate()
+{
+#ifndef QT_NO_SYSTEMLOCALE
+    // copy over the information from the fallback locale and modify
+    if (!system_lp || system_lp->m_language_id == 0)
+        QLocalePrivate::updateSystemPrivate();
+
+    return system_lp;
+#else
+    return locale_data;
+#endif
+}
+
+static const QLocalePrivate *defaultPrivate()
+{
+    if (!default_lp)
+        default_lp = systemPrivate();
+    return default_lp;
+}
+
+static QString getLocaleListData(const ushort *data, int size, int index)
+{
+    static const ushort separator = ';';
+    while (index && size > 0) {
+        while (*data != separator)
+            ++data, --size;
+        --index;
+        ++data;
+        --size;
+    }
+    const ushort *end = data;
+    while (size > 0 && *end != separator)
+        ++end, --size;
+    return QString::fromRawData(reinterpret_cast<const QChar*>(data), end-data);
+}
+
+static inline QString getLocaleData(const ushort *data, int size)
+{
+    return QString::fromRawData(reinterpret_cast<const QChar*>(data), size);
+}
+
+
+#ifndef QT_NO_DATASTREAM
+QDataStream &operator<<(QDataStream &ds, const QLocale &l)
+{
+    ds << l.name();
+    return ds;
+}
+
+QDataStream &operator>>(QDataStream &ds, QLocale &l)
+{
+    QString s;
+    ds >> s;
+    l = QLocale(s);
+    return ds;
+}
+#endif
+
+
+/*!
+    \class QLocale
+    \brief The QLocale class converts between numbers and their
+    string representations in various languages.
+
+    \reentrant
+    \ingroup i18n
+    \ingroup text
+    \ingroup shared
+    \mainclass
+
+    QLocale is initialized with a language/country pair in its
+    constructor and offers number-to-string and string-to-number
+    conversion functions similar to those in QString.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlocale.cpp 0
+
+    QLocale supports the concept of a default locale, which is
+    determined from the system's locale settings at application
+    startup. The default locale can be changed by calling the
+    static member setDefault(). Setting the default locale has the
+    following effects:
+
+    \list
+    \i If a QLocale object is constructed with the default constructor,
+       it will use the default locale's settings.
+    \i QString::toInt(), QString::toDouble(), etc., interpret the
+       string according to the default locale. If this fails, it
+       falls back on the "C" locale.
+    \i QString::arg() uses the default locale to format a number when
+       its position specifier in the format string contains an 'L',
+       e.g. "%L1".
+    \endlist
+
+    The following example illustrates how to use QLocale directly:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlocale.cpp 1
+
+    When a language/country pair is specified in the constructor, one
+    of three things can happen:
+
+    \list
+    \i If the language/country pair is found in the database, it is used.
+    \i If the language is found but the country is not, or if the country
+       is \c AnyCountry, the language is used with the most
+       appropriate available country (for example, Germany for German),
+    \i If neither the language nor the country are found, QLocale
+       defaults to the default locale (see setDefault()).
+    \endlist
+
+    The "C" locale is identical to \l{English}/\l{UnitedStates}.
+
+    Use language() and country() to determine the actual language and
+    country values used.
+
+    An alternative method for constructing a QLocale object is by
+    specifying the locale name.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlocale.cpp 2
+
+    This constructor converts the locale name to a language/country
+    pair; it does not use the system locale database.
+
+    The double-to-string and string-to-double conversion functions are
+    covered by the following licenses:
+
+    \legalese
+    Copyright (c) 1991 by AT&T.
+
+    Permission to use, copy, modify, and distribute this software for any
+    purpose without fee is hereby granted, provided that this entire notice
+    is included in all copies of any software which is or includes a copy
+    or modification of this software and in all copies of the supporting
+    documentation for such software.
+
+    THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+    WARRANTY.  IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY
+    REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+    OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+
+    This product includes software developed by the University of
+    California, Berkeley and its contributors.
+
+    QLocale's data is based on Common Locale Data Repository v1.6.1.
+
+    \sa QString::arg(), QString::toInt(), QString::toDouble()
+*/
+
+/*!
+    \enum QLocale::Language
+
+    This enumerated type is used to specify a language.
+
+    \value C The "C" locale is English/UnitedStates.
+    \value Abkhazian
+    \value Afan
+    \value Afar
+    \value Afrikaans
+    \value Albanian
+    \value Amharic
+    \value Arabic
+    \value Armenian
+    \value Assamese
+    \value Aymara
+    \value Azerbaijani
+    \value Bashkir
+    \value Basque
+    \value Bengali
+    \value Bhutani
+    \value Bihari
+    \value Bislama
+    \value Bosnian
+    \value Breton
+    \value Bulgarian
+    \value Burmese
+    \value Byelorussian
+    \value Cambodian
+    \value Catalan
+    \value Chinese
+    \value Cornish
+    \value Corsican
+    \value Croatian
+    \value Czech
+    \value Danish
+    \value Divehi
+    \value Dutch
+    \value English
+    \value Esperanto
+    \value Estonian
+    \value Faroese
+    \value FijiLanguage
+    \value Finnish
+    \value French
+    \value Frisian
+    \value Gaelic
+    \value Galician
+    \value Georgian
+    \value German
+    \value Greek
+    \value Greenlandic
+    \value Guarani
+    \value Gujarati
+    \value Hausa
+    \value Hebrew
+    \value Hindi
+    \value Hungarian
+    \value Icelandic
+    \value Indonesian
+    \value Interlingua
+    \value Interlingue
+    \value Inuktitut
+    \value Inupiak
+    \value Irish
+    \value Italian
+    \value Japanese
+    \value Javanese
+    \value Kannada
+    \value Kashmiri
+    \value Kazakh
+    \value Kinyarwanda
+    \value Kirghiz
+    \value Korean
+    \value Kurdish
+    \value Kurundi
+    \value Laothian
+    \value Latin
+    \value Latvian
+    \value Lingala
+    \value Lithuanian
+    \value Macedonian
+    \value Malagasy
+    \value Malay
+    \value Malayalam
+    \value Maltese
+    \value Manx
+    \value Maori
+    \value Marathi
+    \value Moldavian
+    \value Mongolian
+    \value NauruLanguage
+    \value Nepali
+    \value Norwegian
+    \value NorwegianBokmal
+    \value Nynorsk Obsolete, please use NorwegianNynorsk
+    \value NorwegianNynorsk
+    \value Occitan
+    \value Oriya
+    \value Pashto
+    \value Persian
+    \value Polish
+    \value Portuguese
+    \value Punjabi
+    \value Quechua
+    \value RhaetoRomance
+    \value Romanian
+    \value Russian
+    \value Samoan
+    \value Sangho
+    \value Sanskrit
+    \value Serbian
+    \value SerboCroatian
+    \value Sesotho
+    \value Setswana
+    \value Shona
+    \value Sindhi
+    \value Singhalese
+    \value Siswati
+    \value Slovak
+    \value Slovenian
+    \value Somali
+    \value Spanish
+    \value Sundanese
+    \value Swahili
+    \value Swedish
+    \value Tagalog
+    \value Tajik
+    \value Tamil
+    \value Tatar
+    \value Telugu
+    \value Thai
+    \value Tibetan
+    \value Tigrinya
+    \value TongaLanguage
+    \value Tsonga
+    \value Turkish
+    \value Turkmen
+    \value Twi
+    \value Uigur
+    \value Ukrainian
+    \value Urdu
+    \value Uzbek
+    \value Vietnamese
+    \value Volapuk
+    \value Welsh
+    \value Wolof
+    \value Xhosa
+    \value Yiddish
+    \value Yoruba
+    \value Zhuang
+    \value Zulu
+    \value Bosnian
+    \value Divehi
+    \value Manx
+    \value Cornish
+    \value Akan
+    \value Konkani
+    \value Ga
+    \value Igbo
+    \value Kamba
+    \value Syriac
+    \value Blin
+    \value Geez
+    \value Koro
+    \value Sidamo
+    \value Atsam
+    \value Tigre
+    \value Jju
+    \value Friulian
+    \value Venda
+    \value Ewe
+    \value Walamo
+    \value Hawaiian
+    \value Tyap
+    \value Chewa
+    \omitvalue LastLanguage
+
+    \sa language()
+*/
+
+/*!
+    \enum QLocale::Country
+
+    This enumerated type is used to specify a country.
+
+    \value AnyCountry
+    \value Afghanistan
+    \value Albania
+    \value Algeria
+    \value AmericanSamoa
+    \value Andorra
+    \value Angola
+    \value Anguilla
+    \value Antarctica
+    \value AntiguaAndBarbuda
+    \value Argentina
+    \value Armenia
+    \value Aruba
+    \value Australia
+    \value Austria
+    \value Azerbaijan
+    \value Bahamas
+    \value Bahrain
+    \value Bangladesh
+    \value Barbados
+    \value Belarus
+    \value Belgium
+    \value Belize
+    \value Benin
+    \value Bermuda
+    \value Bhutan
+    \value Bolivia
+    \value BosniaAndHerzegowina
+    \value Botswana
+    \value BouvetIsland
+    \value Brazil
+    \value BritishIndianOceanTerritory
+    \value BruneiDarussalam
+    \value Bulgaria
+    \value BurkinaFaso
+    \value Burundi
+    \value Cambodia
+    \value Cameroon
+    \value Canada
+    \value CapeVerde
+    \value CaymanIslands
+    \value CentralAfricanRepublic
+    \value Chad
+    \value Chile
+    \value China
+    \value ChristmasIsland
+    \value CocosIslands
+    \value Colombia
+    \value Comoros
+    \value DemocraticRepublicOfCongo
+    \value PeoplesRepublicOfCongo
+    \value CookIslands
+    \value CostaRica
+    \value IvoryCoast
+    \value Croatia
+    \value Cuba
+    \value Cyprus
+    \value CzechRepublic
+    \value Denmark
+    \value Djibouti
+    \value Dominica
+    \value DominicanRepublic
+    \value EastTimor
+    \value Ecuador
+    \value Egypt
+    \value ElSalvador
+    \value EquatorialGuinea
+    \value Eritrea
+    \value Estonia
+    \value Ethiopia
+    \value FalklandIslands
+    \value FaroeIslands
+    \value FijiCountry
+    \value Finland
+    \value France
+    \value MetropolitanFrance
+    \value FrenchGuiana
+    \value FrenchPolynesia
+    \value FrenchSouthernTerritories
+    \value Gabon
+    \value Gambia
+    \value Georgia
+    \value Germany
+    \value Ghana
+    \value Gibraltar
+    \value Greece
+    \value Greenland
+    \value Grenada
+    \value Guadeloupe
+    \value Guam
+    \value Guatemala
+    \value Guinea
+    \value GuineaBissau
+    \value Guyana
+    \value Haiti
+    \value HeardAndMcDonaldIslands
+    \value Honduras
+    \value HongKong
+    \value Hungary
+    \value Iceland
+    \value India
+    \value Indonesia
+    \value Iran
+    \value Iraq
+    \value Ireland
+    \value Israel
+    \value Italy
+    \value Jamaica
+    \value Japan
+    \value Jordan
+    \value Kazakhstan
+    \value Kenya
+    \value Kiribati
+    \value DemocraticRepublicOfKorea
+    \value RepublicOfKorea
+    \value Kuwait
+    \value Kyrgyzstan
+    \value Lao
+    \value Latvia
+    \value Lebanon
+    \value Lesotho
+    \value Liberia
+    \value LibyanArabJamahiriya
+    \value Liechtenstein
+    \value Lithuania
+    \value Luxembourg
+    \value Macau
+    \value Macedonia
+    \value Madagascar
+    \value Malawi
+    \value Malaysia
+    \value Maldives
+    \value Mali
+    \value Malta
+    \value MarshallIslands
+    \value Martinique
+    \value Mauritania
+    \value Mauritius
+    \value Mayotte
+    \value Mexico
+    \value Micronesia
+    \value Moldova
+    \value Monaco
+    \value Mongolia
+    \value Montserrat
+    \value Morocco
+    \value Mozambique
+    \value Myanmar
+    \value Namibia
+    \value NauruCountry
+    \value Nepal
+    \value Netherlands
+    \value NetherlandsAntilles
+    \value NewCaledonia
+    \value NewZealand
+    \value Nicaragua
+    \value Niger
+    \value Nigeria
+    \value Niue
+    \value NorfolkIsland
+    \value NorthernMarianaIslands
+    \value Norway
+    \value Oman
+    \value Pakistan
+    \value Palau
+    \value PalestinianTerritory
+    \value Panama
+    \value PapuaNewGuinea
+    \value Paraguay
+    \value Peru
+    \value Philippines
+    \value Pitcairn
+    \value Poland
+    \value Portugal
+    \value PuertoRico
+    \value Qatar
+    \value Reunion
+    \value Romania
+    \value RussianFederation
+    \value Rwanda
+    \value SaintKittsAndNevis
+    \value StLucia
+    \value StVincentAndTheGrenadines
+    \value Samoa
+    \value SanMarino
+    \value SaoTomeAndPrincipe
+    \value SaudiArabia
+    \value Senegal
+    \value SerbiaAndMontenegro
+    \value Seychelles
+    \value SierraLeone
+    \value Singapore
+    \value Slovakia
+    \value Slovenia
+    \value SolomonIslands
+    \value Somalia
+    \value SouthAfrica
+    \value SouthGeorgiaAndTheSouthSandwichIslands
+    \value Spain
+    \value SriLanka
+    \value StHelena
+    \value StPierreAndMiquelon
+    \value Sudan
+    \value Suriname
+    \value SvalbardAndJanMayenIslands
+    \value Swaziland
+    \value Sweden
+    \value Switzerland
+    \value SyrianArabRepublic
+    \value Taiwan
+    \value Tajikistan
+    \value Tanzania
+    \value Thailand
+    \value Togo
+    \value Tokelau
+    \value TongaCountry
+    \value TrinidadAndTobago
+    \value Tunisia
+    \value Turkey
+    \value Turkmenistan
+    \value TurksAndCaicosIslands
+    \value Tuvalu
+    \value Uganda
+    \value Ukraine
+    \value UnitedArabEmirates
+    \value UnitedKingdom
+    \value UnitedStates
+    \value UnitedStatesMinorOutlyingIslands
+    \value Uruguay
+    \value Uzbekistan
+    \value Vanuatu
+    \value VaticanCityState
+    \value Venezuela
+    \value VietNam
+    \value BritishVirginIslands
+    \value USVirginIslands
+    \value WallisAndFutunaIslands
+    \value WesternSahara
+    \value Yemen
+    \value Yugoslavia
+    \value Zambia
+    \value Zimbabwe
+    \omitvalue LastCountry
+
+    \sa country()
+*/
+
+/*!
+    \enum QLocale::FormatType
+
+    This enum describes the types of format that can be used when
+    converting QDate and QTime objects to strings.
+
+    \value LongFormat The long version of day and month names; for
+    example, returning "January" as a month name.
+
+    \value ShortFormat The short version of day and month names; for
+    example, returning "Jan" as a month name.
+
+    \value NarrowFormat A special version of day and month names for
+    use when space is limited; for example, returning "J" as a month
+    name. Note that the narrow format might contain the same text for
+    different months and days or it can even be an empty string if the
+    locale doesn't support narrow names, so you should avoid using it
+    for date formatting. Also, for the system locale this format is
+    the same as ShortFormat.
+*/
+
+/*!
+    \enum QLocale::NumberOption
+
+    This enum defines a set of options for number-to-string and string-to-number
+    conversions. They can be retrieved with numberOptions() and set with
+    setNumberOptions().
+
+    \value OmitGroupSeparator If this option is set, the number-to-string functions
+            will not insert group separators in their return values. The default
+            is to insert group separators.
+    \value RejectGroupSeparator If this option is set, the string-to-number functions
+            will fail if they encounter group separators in their input. The default
+            is to accept numbers containing correctly placed group separators.
+
+    \sa setNumberOptions() numberOptions()
+*/
+
+/*!
+    \enum QLocale::MeasurementSystem
+
+    This enum defines which units are used for measurement.
+
+    \value MetricSystem This value indicates metric units, such as meters,
+            centimeters and millimeters.
+    \value ImperialSystem This value indicates imperial units, such as inches and
+            miles. There are several distinct imperial systems in the world; this
+            value stands for the official United States imperial units.
+
+    \since 4.4
+*/
+
+
+/*!
+    \fn bool QLocale::operator==(const QLocale &other) const
+
+    Returns true if the QLocale object is the same as the \a other
+    locale specified; otherwise returns false.
+*/
+
+/*!
+    \fn bool QLocale::operator!=(const QLocale &other) const
+
+    Returns true if the QLocale object is not the same as the \a other
+    locale specified; otherwise returns false.
+*/
+
+static const int locale_data_size = sizeof(locale_data)/sizeof(QLocalePrivate) - 1;
+
+static const QLocalePrivate *dataPointerHelper(quint16 index)
+{
+#ifndef QT_NO_SYSTEMLOCALE
+    Q_ASSERT(index <= locale_data_size);
+    if (index == locale_data_size)
+        return system_lp;
+#else
+    Q_ASSERT(index < locale_data_size);
+#endif
+
+    return &locale_data[index];
+}
+
+static quint16 localePrivateIndex(const QLocalePrivate *p)
+{
+#ifndef QT_NO_SYSTEMLOCALE
+    Q_ASSERT((p >= locale_data && p - locale_data < locale_data_size)
+             || (p != 0 && p == system_lp));
+    quint16 index = p == system_lp ? locale_data_size : p - locale_data;
+#else
+    Q_ASSERT(p >= locale_data && p - locale_data < locale_data_size);
+    quint16 index = p - locale_data;
+#endif
+
+    return index;
+}
+
+/*!
+    Constructs a QLocale object with the specified \a name,
+    which has the format
+    "language[_country][.codeset][@modifier]" or "C", where:
+
+    \list
+    \i language is a lowercase, two-letter, ISO 639 language code,
+    \i territory is an uppercase, two-letter, ISO 3166 country code,
+    \i and codeset and modifier are ignored.
+    \endlist
+
+    If the string violates the locale format, or language is not
+    a valid ISO 369 code, the "C" locale is used instead. If country
+    is not present, or is not a valid ISO 3166 code, the most
+    appropriate country is chosen for the specified language.
+
+    The language and country codes are converted to their respective
+    \c Language and \c Country enums. After this conversion is
+    performed the constructor behaves exactly like QLocale(Country,
+    Language).
+
+    This constructor is much slower than QLocale(Country, Language).
+
+    \sa name()
+*/
+
+QLocale::QLocale(const QString &name)
+    : v(0)
+{
+    p.numberOptions = 0;
+    p.index = localePrivateIndex(findLocale(name));
+}
+
+/*!
+    Constructs a QLocale object initialized with the default locale. If
+    no default locale was set using setDefaultLocale(), this locale will
+    be the same as the one returned by system().
+
+    \sa setDefault()
+*/
+
+QLocale::QLocale()
+    : v(0)
+{
+    p.numberOptions = default_number_options;
+    p.index = localePrivateIndex(defaultPrivate());
+}
+
+/*!
+    Constructs a QLocale object with the specified \a language and \a
+    country.
+
+    \list
+    \i If the language/country pair is found in the database, it is used.
+    \i If the language is found but the country is not, or if the country
+       is \c AnyCountry, the language is used with the most
+       appropriate available country (for example, Germany for German),
+    \i If neither the language nor the country are found, QLocale
+       defaults to the default locale (see setDefault()).
+    \endlist
+
+    The language and country that are actually used can be queried
+    using language() and country().
+
+    \sa setDefault() language() country()
+*/
+
+QLocale::QLocale(Language language, Country country)
+    : v(0)
+{
+    const QLocalePrivate *d = findLocale(language, country);
+
+    // If not found, should default to system
+    if (d->languageId() == QLocale::C && language != QLocale::C) {
+        p.numberOptions = default_number_options;
+        p.index = localePrivateIndex(defaultPrivate());
+    } else {
+        p.numberOptions = 0;
+        p.index = localePrivateIndex(d);
+    }
+}
+
+/*!
+    Constructs a QLocale object as a copy of \a other.
+*/
+
+QLocale::QLocale(const QLocale &other)
+{
+    v = other.v;
+}
+
+const QLocalePrivate *QLocale::d() const
+{
+    return dataPointerHelper(p.index);
+}
+
+/*!
+    Assigns \a other to this QLocale object and returns a reference
+    to this QLocale object.
+*/
+
+QLocale &QLocale::operator=(const QLocale &other)
+{
+    v = other.v;
+    return *this;
+}
+
+/*!
+    \since 4.2
+
+    Sets the \a options related to number conversions for this
+    QLocale instance.
+*/
+void QLocale::setNumberOptions(NumberOptions options)
+{
+    p.numberOptions = options;
+}
+
+/*!
+    \since 4.2
+
+    Returns the options related to number conversions for this
+    QLocale instance.
+
+    By default, no options are set for the standard locales.
+*/
+QLocale::NumberOptions QLocale::numberOptions() const
+{
+    return static_cast<NumberOption>(p.numberOptions);
+}
+
+/*!
+    \nonreentrant
+
+    Sets the global default locale to \a locale. These
+    values are used when a QLocale object is constructed with
+    no arguments. If this function is not called, the system's
+    locale is used.
+
+    \warning In a multithreaded application, the default locale
+    should be set at application startup, before any non-GUI threads
+    are created.
+
+    \sa system() c()
+*/
+
+void QLocale::setDefault(const QLocale &locale)
+{
+    default_lp = locale.d();
+    default_number_options = locale.numberOptions();
+}
+
+/*!
+    Returns the language of this locale.
+
+    \sa country(), languageToString(), name()
+*/
+QLocale::Language QLocale::language() const
+{
+    return Language(d()->languageId());
+}
+
+/*!
+    Returns the country of this locale.
+
+    \sa language(), countryToString(), name()
+*/
+QLocale::Country QLocale::country() const
+{
+    return Country(d()->countryId());
+}
+
+/*!
+    Returns the language and country of this locale as a
+    string of the form "language_country", where
+    language is a lowercase, two-letter ISO 639 language code,
+    and country is an uppercase, two-letter ISO 3166 country code.
+
+    \sa language(), country()
+*/
+
+QString QLocale::name() const
+{
+    Language l = language();
+
+    QString result = languageToCode(l);
+
+    if (l == C)
+        return result;
+
+    Country c = country();
+    if (c == AnyCountry)
+        return result;
+
+    result.append(QLatin1Char('_'));
+    result.append(countryToCode(c));
+
+    return result;
+}
+
+/*!
+    Returns a QString containing the name of \a language.
+
+    \sa countryToString(), name()
+*/
+
+QString QLocale::languageToString(Language language)
+{
+    if (uint(language) > uint(QLocale::LastLanguage))
+        return QLatin1String("Unknown");
+    return QLatin1String(language_name_list + language_name_index[language]);
+}
+
+/*!
+    Returns a QString containing the name of \a country.
+
+    \sa country(), name()
+*/
+
+QString QLocale::countryToString(Country country)
+{
+    if (uint(country) > uint(QLocale::LastCountry))
+        return QLatin1String("Unknown");
+    return QLatin1String(country_name_list + country_name_index[country]);
+}
+
+/*!
+    Returns the short int represented by the localized string \a s,
+    using base \a base. If \a base is 0 the base is determined
+    automatically using the following rules: If the string begins with
+    "0x", it is assumed to be hexadecimal; if it begins with "0", it
+    is assumed to be octal; otherwise it is assumed to be decimal.
+
+    If the conversion fails the function returns 0.
+
+    If \a ok is not 0, failure is reported by setting *ok to false, and
+    success by setting *ok to true.
+
+    This function ignores leading and trailing whitespace.
+
+    \sa toUShort(), toString()
+*/
+
+short QLocale::toShort(const QString &s, bool *ok, int base) const
+{
+    qlonglong i = toLongLong(s, ok, base);
+    if (i < SHRT_MIN || i > SHRT_MAX) {
+        if (ok != 0)
+            *ok = false;
+        return 0;
+    }
+    return short(i);
+}
+
+/*!
+    Returns the unsigned short int represented by the localized string
+    \a s, using base \a base. If \a base is 0 the base is determined
+    automatically using the following rules: If the string begins with
+    "0x", it is assumed to be hexadecimal; if it begins with "0", it
+    is assumed to be octal; otherwise it is assumed to be decimal.
+
+    If the conversion fails the function returns 0.
+
+    If \a ok is not 0, failure is reported by setting *ok to false, and
+    success by setting *ok to true.
+
+    This function ignores leading and trailing whitespace.
+
+    \sa toShort(), toString()
+*/
+
+ushort QLocale::toUShort(const QString &s, bool *ok, int base) const
+{
+    qulonglong i = toULongLong(s, ok, base);
+    if (i > USHRT_MAX) {
+        if (ok != 0)
+            *ok = false;
+        return 0;
+    }
+    return ushort(i);
+}
+
+/*!
+    Returns the int represented by the localized string \a s, using
+    base \a base. If \a base is 0 the base is determined automatically
+    using the following rules: If the string begins with "0x", it is
+    assumed to be hexadecimal; if it begins with "0", it is assumed to
+    be octal; otherwise it is assumed to be decimal.
+
+    If the conversion fails the function returns 0.
+
+    If \a ok is not 0, failure is reported by setting *ok to false, and
+    success by setting *ok to true.
+
+    This function ignores leading and trailing whitespace.
+
+    \sa toUInt(), toString()
+*/
+
+int QLocale::toInt(const QString &s, bool *ok, int base) const
+{
+    qlonglong i = toLongLong(s, ok, base);
+    if (i < INT_MIN || i > INT_MAX) {
+        if (ok != 0)
+            *ok = false;
+        return 0;
+    }
+    return int(i);
+}
+
+/*!
+    Returns the unsigned int represented by the localized string \a s,
+    using base \a base. If \a base is 0 the base is determined
+    automatically using the following rules: If the string begins with
+    "0x", it is assumed to be hexadecimal; if it begins with "0", it
+    is assumed to be octal; otherwise it is assumed to be decimal.
+
+    If the conversion fails the function returns 0.
+
+    If \a ok is not 0, failure is reported by setting *ok to false, and
+    success by setting *ok to true.
+
+    This function ignores leading and trailing whitespace.
+
+    \sa toInt(), toString()
+*/
+
+uint QLocale::toUInt(const QString &s, bool *ok, int base) const
+{
+    qulonglong i = toULongLong(s, ok, base);
+    if (i > UINT_MAX) {
+        if (ok != 0)
+            *ok = false;
+        return 0;
+    }
+    return uint(i);
+}
+
+/*!
+    Returns the long long int represented by the localized string \a
+    s, using base \a base. If \a base is 0 the base is determined
+    automatically using the following rules: If the string begins with
+    "0x", it is assumed to be hexadecimal; if it begins with "0", it
+    is assumed to be octal; otherwise it is assumed to be decimal.
+
+    If the conversion fails the function returns 0.
+
+    If \a ok is not 0, failure is reported by setting *ok to false, and
+    success by setting *ok to true.
+
+    This function ignores leading and trailing whitespace.
+
+    \sa toInt(), toULongLong(), toDouble(), toString()
+*/
+
+
+qlonglong QLocale::toLongLong(const QString &s, bool *ok, int base) const
+{
+    QLocalePrivate::GroupSeparatorMode mode
+        = p.numberOptions & RejectGroupSeparator
+            ? QLocalePrivate::FailOnGroupSeparators
+            : QLocalePrivate::ParseGroupSeparators;
+
+    return d()->stringToLongLong(s, base, ok, mode);
+}
+
+// ### Qt5: make the return type for toULongLong() qulonglong.
+
+/*!
+    Returns the unsigned long long int represented by the localized
+    string \a s, using base \a base. If \a base is 0 the base is
+    determined automatically using the following rules: If the string
+    begins with "0x", it is assumed to be hexadecimal; if it begins
+    with "0", it is assumed to be octal; otherwise it is assumed to be
+    decimal.
+
+    If the conversion fails the function returns 0.
+
+    If \a ok is not 0, failure is reported by setting *ok to false, and
+    success by setting *ok to true.
+
+    This function ignores leading and trailing whitespace.
+
+    \sa toLongLong(), toInt(), toDouble(), toString()
+*/
+
+qlonglong QLocale::toULongLong(const QString &s, bool *ok, int base) const
+{
+    QLocalePrivate::GroupSeparatorMode mode
+        = p.numberOptions & RejectGroupSeparator
+            ? QLocalePrivate::FailOnGroupSeparators
+            : QLocalePrivate::ParseGroupSeparators;
+
+    return d()->stringToUnsLongLong(s, base, ok, mode);
+}
+
+/*!
+    Returns the float represented by the localized string \a s, or 0.0
+    if the conversion failed.
+
+    If \a ok is not 0, reports failure by setting
+    *ok to false and success by setting *ok to true.
+
+    This function ignores leading and trailing whitespace.
+
+    \sa toDouble(), toInt(), toString()
+*/
+
+#define QT_MAX_FLOAT 3.4028234663852886e+38
+
+float QLocale::toFloat(const QString &s, bool *ok) const
+{
+    bool myOk;
+    double d = toDouble(s, &myOk);
+    if (!myOk || d > QT_MAX_FLOAT || d < -QT_MAX_FLOAT) {
+        if (ok != 0)
+            *ok = false;
+        return 0.0;
+    }
+    if (ok != 0)
+        *ok = true;
+    return float(d);
+}
+
+/*!
+    Returns the double represented by the localized string \a s, or
+    0.0 if the conversion failed.
+
+    If \a ok is not 0, reports failure by setting
+    *ok to false and success by setting *ok to true.
+
+    Unlike QString::toDouble(), this function does not fall back to
+    the "C" locale if the string cannot be interpreted in this
+    locale.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qlocale.cpp 3
+
+    Notice that the last conversion returns 1234.0, because '.' is the
+    thousands group separator in the German locale.
+
+    This function ignores leading and trailing whitespace.
+
+    \sa toFloat(), toInt(), toString()
+*/
+
+double QLocale::toDouble(const QString &s, bool *ok) const
+{
+    QLocalePrivate::GroupSeparatorMode mode
+        = p.numberOptions & RejectGroupSeparator
+            ? QLocalePrivate::FailOnGroupSeparators
+            : QLocalePrivate::ParseGroupSeparators;
+
+    return d()->stringToDouble(s, ok, mode);
+}
+
+/*!
+    Returns a localized string representation of \a i.
+
+    \sa toLongLong()
+*/
+
+QString QLocale::toString(qlonglong i) const
+{
+    int flags = p.numberOptions & OmitGroupSeparator
+                    ? 0
+                    : QLocalePrivate::ThousandsGroup;
+
+    return d()->longLongToString(i, -1, 10, -1, flags);
+}
+
+/*!
+    \overload
+
+    \sa toULongLong()
+*/
+
+QString QLocale::toString(qulonglong i) const
+{
+    int flags = p.numberOptions & OmitGroupSeparator
+                    ? 0
+                    : QLocalePrivate::ThousandsGroup;
+
+    return d()->unsLongLongToString(i, -1, 10, -1, flags);
+}
+
+/*!
+    Returns a localized string representation of the given \a date in the
+    specified \a format.
+    If \a format is an empty string, an empty string is returned.
+*/
+
+QString QLocale::toString(const QDate &date, const QString &format) const
+{
+    return d()->dateTimeToString(format, &date, 0, this);
+}
+
+/*!
+    Returns a localized string representation of the given \a date according
+    to the specified \a format.
+*/
+
+QString QLocale::toString(const QDate &date, FormatType format) const
+{
+    if (!date.isValid())
+        return QString();
+
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(format == LongFormat
+                                             ? QSystemLocale::DateToStringLong : QSystemLocale::DateToStringShort,
+                                             date);
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+
+    QString format_str = dateFormat(format);
+    return toString(date, format_str);
+}
+
+static bool timeFormatContainsAP(const QString &format)
+{
+    int i = 0;
+    while (i < format.size()) {
+        if (format.at(i).unicode() == '\'') {
+            readEscapedFormatString(format, &i);
+            continue;
+        }
+
+        if (format.at(i).toLower().unicode() == 'a')
+            return true;
+
+        ++i;
+    }
+    return false;
+}
+
+static QString timeZone()
+{
+#if defined(Q_OS_WINCE)
+    TIME_ZONE_INFORMATION info;
+    DWORD res = GetTimeZoneInformation(&info);
+    if (res == TIME_ZONE_ID_UNKNOWN)
+        return QString();
+    return QString::fromUtf16(reinterpret_cast<const ushort *> (info.StandardName));
+#elif defined(Q_OS_WIN)
+    _tzset();
+# if defined(_MSC_VER) && _MSC_VER >= 1400
+    size_t returnSize = 0;
+    char timeZoneName[512];
+    if (_get_tzname(&returnSize, timeZoneName, 512, 1))
+        return QString();
+    return QString::fromLocal8Bit(timeZoneName);
+# else
+    return QString::fromLocal8Bit(_tzname[1]);
+# endif
+#else
+    tzset();
+    return QString::fromLocal8Bit(tzname[1]);
+#endif
+}
+
+/*!
+    Returns a localized string representation of the given \a time according
+    to the specified \a format.
+    If \a format is an empty string, an empty string is returned.
+*/
+QString QLocale::toString(const QTime &time, const QString &format) const
+{
+    return d()->dateTimeToString(format, 0, &time, this);
+}
+
+/*!
+    \since 4.4
+
+    Returns a localized string representation of the given \a dateTime according
+    to the specified \a format.
+    If \a format is an empty string, an empty string is returned.
+*/
+
+QString QLocale::toString(const QDateTime &dateTime, const QString &format) const
+{
+    const QDate dt = dateTime.date();
+    const QTime tm = dateTime.time();
+    return d()->dateTimeToString(format, &dt, &tm, this);
+}
+
+/*!
+    \since 4.4
+
+    Returns a localized string representation of the given \a dateTime according
+    to the specified \a format.
+*/
+
+QString QLocale::toString(const QDateTime &dateTime, FormatType format) const
+{
+    if (!dateTime.isValid())
+        return QString();
+
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(format == LongFormat
+                                             ? QSystemLocale::DateTimeToStringLong
+                                             : QSystemLocale::DateTimeToStringShort,
+                                             dateTime);
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+
+    const QString format_str = dateTimeFormat(format);
+    return toString(dateTime, format_str);
+}
+
+
+/*!
+    Returns a localized string representation of the given \a time in the
+    specified \a format.
+*/
+
+QString QLocale::toString(const QTime &time, FormatType format) const
+{
+    if (!time.isValid())
+        return QString();
+
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(format == LongFormat
+                                             ? QSystemLocale::TimeToStringLong : QSystemLocale::TimeToStringShort,
+                                             time);
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+
+    QString format_str = timeFormat(format);
+    return toString(time, format_str);
+}
+
+/*!
+    \since 4.1
+
+    Returns the date format used for the current locale.
+
+    If \a format is LongFormat the format will be a long version.
+    Otherwise it uses a shorter version.
+
+    \sa QDate::toString(), QDate::fromString()
+*/
+
+QString QLocale::dateFormat(FormatType format) const
+{
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(format == LongFormat
+                                             ? QSystemLocale::DateFormatLong : QSystemLocale::DateFormatShort,
+                                             QVariant());
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+
+    quint32 idx, size;
+    switch (format) {
+    case LongFormat:
+        idx = d()->m_long_date_format_idx;
+        size = d()->m_long_date_format_size;
+        break;
+    default:
+        idx = d()->m_short_date_format_idx;
+        size = d()->m_short_date_format_size;
+        break;
+    }
+    return getLocaleData(date_format_data + idx, size);
+}
+
+/*!
+    \since 4.1
+
+    Returns the time format used for the current locale.
+
+    If \a format is LongFormat the format will be a long version.
+    Otherwise it uses a shorter version.
+
+    \sa QTime::toString(), QTime::fromString()
+*/
+
+QString QLocale::timeFormat(FormatType format) const
+{
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(format == LongFormat
+                                             ? QSystemLocale::TimeFormatLong : QSystemLocale::TimeFormatShort,
+                                             QVariant());
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+
+    quint32 idx, size;
+    switch (format) {
+    case LongFormat:
+        idx = d()->m_long_time_format_idx;
+        size = d()->m_long_time_format_size;
+        break;
+    default:
+        idx = d()->m_short_time_format_idx;
+        size = d()->m_short_time_format_size;
+        break;
+    }
+    return getLocaleData(time_format_data + idx, size);
+}
+
+/*!
+    \since 4.4
+
+    Returns the date time format used for the current locale.
+
+    If \a format is ShortFormat the format will be a short version.
+    Otherwise it uses a longer version.
+
+    \sa QDateTime::toString(), QDateTime::fromString()
+*/
+
+QString QLocale::dateTimeFormat(FormatType format) const
+{
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(format == LongFormat
+                                             ? QSystemLocale::DateTimeFormatLong
+                                             : QSystemLocale::DateTimeFormatShort,
+                                             QVariant());
+        if (!res.isNull()) {
+            return res.toString();
+        }
+    }
+#endif
+    return dateFormat(format) + QLatin1Char(' ') + timeFormat(format);
+}
+
+/*!
+    \since 4.4
+
+    Parses the time string given in \a string and returns the
+    time. The format of the time string is chosen according to the
+    \a format parameter (see timeFormat()).
+
+    If the time could not be parsed, returns an invalid time.
+
+    \sa timeFormat(), toDate(), toDateTime(), QTime::fromString()
+*/
+#ifndef QT_NO_DATESTRING
+QTime QLocale::toTime(const QString &string, FormatType format) const
+{
+    return toTime(string, timeFormat(format));
+}
+#endif
+
+/*!
+    \since 4.4
+
+    Parses the date string given in \a string and returns the
+    date. The format of the date string is chosen according to the
+    \a format parameter (see dateFormat()).
+
+    If the date could not be parsed, returns an invalid date.
+
+    \sa dateFormat(), toTime(), toDateTime(), QDate::fromString()
+*/
+#ifndef QT_NO_DATESTRING
+QDate QLocale::toDate(const QString &string, FormatType format) const
+{
+    return toDate(string, dateFormat(format));
+}
+#endif
+
+/*!
+    \since 4.4
+
+    Parses the date/time string given in \a string and returns the
+    time. The format of the date/time string is chosen according to the
+    \a format parameter (see dateTimeFormat()).
+
+    If the string could not be parsed, returns an invalid QDateTime.
+
+    \sa dateTimeFormat(), toTime(), toDate(), QDateTime::fromString()
+*/
+
+#ifndef QT_NO_DATESTRING
+QDateTime QLocale::toDateTime(const QString &string, FormatType format) const
+{
+    return toDateTime(string, dateFormat(format));
+}
+#endif
+
+/*!
+    \since 4.4
+
+    Parses the time string given in \a string and returns the
+    time. See QTime::fromString() for information on what is a valid
+    format string.
+
+    If the time could not be parsed, returns an invalid time.
+
+    \sa timeFormat(), toDate(), toDateTime(), QTime::fromString()
+*/
+#ifndef QT_NO_DATESTRING
+QTime QLocale::toTime(const QString &string, const QString &format) const
+{
+    QTime time;
+#ifndef QT_BOOTSTRAPPED
+    QDateTimeParser dt(QVariant::Time, QDateTimeParser::FromString);
+    dt.defaultLocale = *this;
+    if (dt.parseFormat(format))
+        dt.fromString(string, 0, &time);
+#else
+    Q_UNUSED(string);
+    Q_UNUSED(format);
+#endif
+    return time;
+}
+#endif
+
+/*!
+    \since 4.4
+
+    Parses the date string given in \a string and returns the
+    date. See QDate::fromString() for information on the expressions
+    that can be used with this function.
+
+    This function searches month names and the names of the days of
+    the week in the current locale.
+
+    If the date could not be parsed, returns an invalid date.
+
+    \sa dateFormat(), toTime(), toDateTime(), QDate::fromString()
+*/
+#ifndef QT_NO_DATESTRING
+QDate QLocale::toDate(const QString &string, const QString &format) const
+{
+    QDate date;
+#ifndef QT_BOOTSTRAPPED
+    QDateTimeParser dt(QVariant::Date, QDateTimeParser::FromString);
+    dt.defaultLocale = *this;
+    if (dt.parseFormat(format))
+        dt.fromString(string, &date, 0);
+#else
+    Q_UNUSED(string);
+    Q_UNUSED(format);
+#endif
+    return date;
+}
+#endif
+
+/*!
+    \since 4.4
+
+    Parses the date/time string given in \a string and returns the
+    time.  See QDateTime::fromString() for information on the expressions
+    that can be used with this function.
+
+    \note The month and day names used must be given in the user's local
+    language.
+
+    If the string could not be parsed, returns an invalid QDateTime.
+
+    \sa dateTimeFormat(), toTime(), toDate(), QDateTime::fromString()
+*/
+#ifndef QT_NO_DATESTRING
+QDateTime QLocale::toDateTime(const QString &string, const QString &format) const
+{
+#ifndef QT_BOOTSTRAPPED
+    QTime time;
+    QDate date;
+
+    QDateTimeParser dt(QVariant::DateTime, QDateTimeParser::FromString);
+    dt.defaultLocale = *this;
+    if (dt.parseFormat(format) && dt.fromString(string, &date, &time))
+        return QDateTime(date, time);
+#else
+    Q_UNUSED(string);
+    Q_UNUSED(format);
+#endif
+    return QDateTime(QDate(), QTime(-1, -1, -1));
+}
+#endif
+
+
+/*!
+    \since 4.1
+
+    Returns the decimal point character of this locale.
+*/
+QChar QLocale::decimalPoint() const
+{
+    return d()->decimal();
+}
+
+/*!
+    \since 4.1
+
+    Returns the group separator character of this locale.
+*/
+QChar QLocale::groupSeparator() const
+{
+    return d()->group();
+}
+
+/*!
+    \since 4.1
+
+    Returns the percent character of this locale.
+*/
+QChar QLocale::percent() const
+{
+    return d()->percent();
+}
+
+/*!
+    \since 4.1
+
+    Returns the zero digit character of this locale.
+*/
+QChar QLocale::zeroDigit() const
+{
+    return d()->zero();
+}
+
+/*!
+    \since 4.1
+
+    Returns the negative sign character of this locale.
+*/
+QChar QLocale::negativeSign() const
+{
+    return d()->minus();
+}
+
+/*!
+    \since 4.5
+
+    Returns the positive sign character of this locale.
+*/
+QChar QLocale::positiveSign() const
+{
+    return d()->plus();
+}
+
+/*!
+    \since 4.1
+
+    Returns the exponential character of this locale.
+*/
+QChar QLocale::exponential() const
+{
+    return d()->exponential();
+}
+
+static bool qIsUpper(char c)
+{
+    return c >= 'A' && c <= 'Z';
+}
+
+static char qToLower(char c)
+{
+    if (c >= 'A' && c <= 'Z')
+        return c - 'A' + 'a';
+    else
+        return c;
+}
+
+/*!
+    \overload
+
+    \a f and \a prec have the same meaning as in QString::number(double, char, int).
+
+    \sa toDouble()
+*/
+
+QString QLocale::toString(double i, char f, int prec) const
+{
+    QLocalePrivate::DoubleForm form = QLocalePrivate::DFDecimal;
+    uint flags = 0;
+
+    if (qIsUpper(f))
+        flags = QLocalePrivate::CapitalEorX;
+    f = qToLower(f);
+
+    switch (f) {
+        case 'f':
+            form = QLocalePrivate::DFDecimal;
+            break;
+        case 'e':
+            form = QLocalePrivate::DFExponent;
+            break;
+        case 'g':
+            form = QLocalePrivate::DFSignificantDigits;
+            break;
+        default:
+            break;
+    }
+
+    if (!(p.numberOptions & OmitGroupSeparator))
+        flags |= QLocalePrivate::ThousandsGroup;
+    return d()->doubleToString(i, prec, form, -1, flags);
+}
+
+/*!
+    \fn QLocale QLocale::c()
+
+    Returns a QLocale object initialized to the "C" locale.
+
+    \sa system()
+*/
+
+/*!
+    Returns a QLocale object initialized to the system locale.
+
+    On Windows and Mac, this locale will use the decimal/grouping characters and date/time
+    formats specified in the system configuration panel.
+
+    \sa QTextCodec::locale() c()
+*/
+
+QLocale QLocale::system()
+{
+    QLocale result(C);
+    result.p.index = localePrivateIndex(systemPrivate());
+    return result;
+}
+
+/*!
+    \since 4.3
+
+    Returns the list of countries that have entires for \a language in Qt's locale
+    database. If the result is an empty list, then \a language is not represented in
+    Qt's locale database.
+*/
+QList<QLocale::Country> QLocale::countriesForLanguage(Language language)
+{
+    QList<Country> result;
+
+    unsigned language_id = language;
+    uint idx = locale_index[language_id];
+
+    if (language == C) {
+        result << AnyCountry;
+        return result;
+    }
+
+    const QLocalePrivate *d = locale_data + idx;
+
+    while (d->languageId() == language_id) {
+        result << static_cast<Country>(d->countryId());
+        ++d;
+    }
+
+    return result;
+}
+
+/*!
+    \since 4.2
+
+    Returns the localized name of \a month, in the format specified
+    by \a type.
+
+    \sa dayName(), standaloneMonthName()
+*/
+QString QLocale::monthName(int month, FormatType type) const
+{
+    if (month < 1 || month > 12)
+        return QString();
+
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(type == LongFormat
+                                             ? QSystemLocale::MonthNameLong : QSystemLocale::MonthNameShort,
+                                             month);
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+
+    quint32 idx, size;
+    switch (type) {
+    case QLocale::LongFormat:
+        idx = d()->m_long_month_names_idx;
+        size = d()->m_long_month_names_size;
+        break;
+    case QLocale::ShortFormat:
+        idx = d()->m_short_month_names_idx;
+        size = d()->m_short_month_names_size;
+        break;
+    case QLocale::NarrowFormat:
+        idx = d()->m_narrow_month_names_idx;
+        size = d()->m_narrow_month_names_size;
+        break;
+    default:
+        return QString();
+    }
+    return getLocaleListData(months_data + idx, size, month - 1);
+}
+
+/*!
+    \since 4.5
+
+    Returns the localized name of \a month that is used as a
+    standalone text, in the format specified by \a type.
+
+    If the locale information doesn't specify the standalone month
+    name then return value is the same as in monthName().
+
+    \sa monthName(), standaloneDayName()
+*/
+QString QLocale::standaloneMonthName(int month, FormatType type) const
+{
+    if (month < 1 || month > 12)
+        return QString();
+
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(type == LongFormat
+                                             ? QSystemLocale::MonthNameLong : QSystemLocale::MonthNameShort,
+                                             month);
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+
+    quint32 idx, size;
+    switch (type) {
+    case QLocale::LongFormat:
+        idx = d()->m_standalone_long_month_names_idx;
+        size = d()->m_standalone_long_month_names_size;
+        break;
+    case QLocale::ShortFormat:
+        idx = d()->m_standalone_short_month_names_idx;
+        size = d()->m_standalone_short_month_names_size;
+        break;
+    case QLocale::NarrowFormat:
+        idx = d()->m_standalone_narrow_month_names_idx;
+        size = d()->m_standalone_narrow_month_names_size;
+        break;
+    default:
+        return QString();
+    }
+    QString name = getLocaleListData(standalone_months_data + idx, size, month - 1);
+    if (name.isEmpty())
+        return monthName(month, type);
+    return name;
+}
+
+/*!
+    \since 4.2
+
+    Returns the localized name of the \a day (where 1 represents
+    Monday, 2 represents Tuesday and so on), in the format specified
+    by \a type.
+
+    \sa monthName(), standaloneDayName()
+*/
+QString QLocale::dayName(int day, FormatType type) const
+{
+    if (day < 1 || day > 7)
+        return QString();
+
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(type == LongFormat
+                                             ? QSystemLocale::DayNameLong : QSystemLocale::DayNameShort,
+                                             day);
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+    if (day == 7)
+        day = 0;
+
+    quint32 idx, size;
+    switch (type) {
+    case QLocale::LongFormat:
+        idx = d()->m_long_day_names_idx;
+        size = d()->m_long_day_names_size;
+        break;
+    case QLocale::ShortFormat:
+        idx = d()->m_short_day_names_idx;
+        size = d()->m_short_day_names_size;
+        break;
+    case QLocale::NarrowFormat:
+        idx = d()->m_narrow_day_names_idx;
+        size = d()->m_narrow_day_names_size;
+        break;
+    default:
+        return QString();
+    }
+    return getLocaleListData(days_data + idx, size, day);
+}
+
+/*!
+    \since 4.5
+
+    Returns the localized name of the \a day (where 1 represents
+    Monday, 2 represents Tuesday and so on) that is used as a
+    standalone text, in the format specified by \a type.
+
+    If the locale information does not specify the standalone day
+    name then return value is the same as in dayName().
+
+    \sa dayName(), standaloneMonthName()
+*/
+QString QLocale::standaloneDayName(int day, FormatType type) const
+{
+    if (day < 1 || day > 7)
+        return QString();
+
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(type == LongFormat
+                                             ? QSystemLocale::DayNameLong : QSystemLocale::DayNameShort,
+                                             day);
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+    if (day == 7)
+        day = 0;
+
+    quint32 idx, size;
+    switch (type) {
+    case QLocale::LongFormat:
+        idx = d()->m_standalone_long_day_names_idx;
+        size = d()->m_standalone_long_day_names_size;
+        break;
+    case QLocale::ShortFormat:
+        idx = d()->m_standalone_short_day_names_idx;
+        size = d()->m_standalone_short_day_names_size;
+        break;
+    case QLocale::NarrowFormat:
+        idx = d()->m_standalone_narrow_day_names_idx;
+        size = d()->m_standalone_narrow_day_names_size;
+        break;
+    default:
+        return QString();
+    }
+    QString name = getLocaleListData(days_data + idx, size, day);
+    if (name.isEmpty())
+        return dayName(day == 0 ? 7 : day, type);
+    return name;
+}
+
+/*!
+    \since 4.4
+
+    Returns the measurement system for the locale.
+*/
+QLocale::MeasurementSystem QLocale::measurementSystem() const
+{
+    MeasurementSystem meas = MetricSystem;
+    bool found = false;
+
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(QSystemLocale::MeasurementSystem, QVariant());
+        if (!res.isNull()) {
+            meas = MeasurementSystem(res.toInt());
+            found = true;
+        }
+    }
+#endif
+
+    if (!found) {
+        meas = d()->measurementSystem();
+        found = true;
+    }
+
+    return meas;
+}
+
+/*!
+    \since 4.5
+
+    Returns the localized name of the "AM" suffix for times specified using
+    the conventions of the 12-hour clock.
+
+    \sa pmText()
+*/
+QString QLocale::amText() const
+{
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(QSystemLocale::AMText, QVariant());
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+    return getLocaleData(am_data + d()->m_am_idx, d()->m_am_size);
+}
+
+/*!
+    \since 4.5
+
+    Returns the localized name of the "PM" suffix for times specified using
+    the conventions of the 12-hour clock.
+
+    \sa amText()
+*/
+QString QLocale::pmText() const
+{
+#ifndef QT_NO_SYSTEMLOCALE
+    if (d() == systemPrivate()) {
+        QVariant res = systemLocale()->query(QSystemLocale::PMText, QVariant());
+        if (!res.isNull())
+            return res.toString();
+    }
+#endif
+    return getLocaleData(pm_data + d()->m_pm_idx, d()->m_pm_size);
+}
+
+
+/*!
+\fn QString QLocale::toString(short i) const
+
+\overload
+
+\sa toShort()
+*/
+
+/*!
+\fn QString QLocale::toString(ushort i) const
+
+\overload
+
+\sa toUShort()
+*/
+
+/*!
+\fn QString QLocale::toString(int i) const
+
+\overload
+
+\sa toInt()
+*/
+
+/*!
+\fn QString QLocale::toString(uint i) const
+
+\overload
+
+\sa toUInt()
+*/
+
+/*
+\fn QString QLocale::toString(long i) const
+
+\overload
+
+\sa  toLong()
+*/
+
+/*
+\fn QString QLocale::toString(ulong i) const
+
+\overload
+
+\sa toULong()
+*/
+
+/*!
+\fn QString QLocale::toString(float i, char f = 'g', int prec = 6) const
+
+\overload
+
+\a f and \a prec have the same meaning as in QString::number(double, char, int).
+
+\sa toDouble()
+*/
+
+
+static QString qulltoa(qulonglong l, int base, const QLocalePrivate &locale)
+{
+    ushort buff[65]; // length of MAX_ULLONG in base 2
+    ushort *p = buff + 65;
+    const QChar _zero = locale.zero();
+
+    if (base != 10 || _zero.unicode() == '0') {
+        while (l != 0) {
+            int c = l % base;
+
+            --p;
+
+            if (c < 10)
+                *p = '0' + c;
+            else
+                *p = c - 10 + 'a';
+
+            l /= base;
+        }
+    }
+    else {
+        while (l != 0) {
+            int c = l % base;
+
+            *(--p) = _zero.unicode() + c;
+
+            l /= base;
+        }
+    }
+
+    return QString(reinterpret_cast<QChar *>(p), 65 - (p - buff));
+}
+
+static QString qlltoa(qlonglong l, int base, const QLocalePrivate &locale)
+{
+    return qulltoa(l < 0 ? -l : l, base, locale);
+}
+
+enum PrecisionMode {
+    PMDecimalDigits =             0x01,
+    PMSignificantDigits =   0x02,
+    PMChopTrailingZeros =   0x03
+};
+
+static QString &decimalForm(QString &digits, int decpt, uint precision,
+                            PrecisionMode pm,
+                            bool always_show_decpt,
+                            bool thousands_group,
+                            const QLocalePrivate &locale)
+{
+    if (decpt < 0) {
+        for (int i = 0; i < -decpt; ++i)
+            digits.prepend(locale.zero());
+        decpt = 0;
+    }
+    else if (decpt > digits.length()) {
+        for (int i = digits.length(); i < decpt; ++i)
+            digits.append(locale.zero());
+    }
+
+    if (pm == PMDecimalDigits) {
+        uint decimal_digits = digits.length() - decpt;
+        for (uint i = decimal_digits; i < precision; ++i)
+            digits.append(locale.zero());
+    }
+    else if (pm == PMSignificantDigits) {
+        for (uint i = digits.length(); i < precision; ++i)
+            digits.append(locale.zero());
+    }
+    else { // pm == PMChopTrailingZeros
+    }
+
+    if (always_show_decpt || decpt < digits.length())
+        digits.insert(decpt, locale.decimal());
+
+    if (thousands_group) {
+        for (int i = decpt - 3; i > 0; i -= 3)
+            digits.insert(i, locale.group());
+    }
+
+    if (decpt == 0)
+        digits.prepend(locale.zero());
+
+    return digits;
+}
+
+static QString &exponentForm(QString &digits, int decpt, uint precision,
+                                PrecisionMode pm,
+                                bool always_show_decpt,
+                                const QLocalePrivate &locale)
+{
+    int exp = decpt - 1;
+
+    if (pm == PMDecimalDigits) {
+        for (uint i = digits.length(); i < precision + 1; ++i)
+            digits.append(locale.zero());
+    }
+    else if (pm == PMSignificantDigits) {
+        for (uint i = digits.length(); i < precision; ++i)
+            digits.append(locale.zero());
+    }
+    else { // pm == PMChopTrailingZeros
+    }
+
+    if (always_show_decpt || digits.length() > 1)
+        digits.insert(1, locale.decimal());
+
+    digits.append(locale.exponential());
+    digits.append(locale.longLongToString(exp, 2, 10,
+                    -1, QLocalePrivate::AlwaysShowSign));
+
+    return digits;
+}
+
+static bool isZero(double d)
+{
+    uchar *ch = (uchar *)&d;
+#ifdef QT_ARMFPA
+        return !(ch[3] & 0x7F || ch[2] || ch[1] || ch[0] || ch[7] || ch[6] || ch[5] || ch[4]);
+#else
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return !(ch[0] & 0x7F || ch[1] || ch[2] || ch[3] || ch[4] || ch[5] || ch[6] || ch[7]);
+    } else {
+        return !(ch[7] & 0x7F || ch[6] || ch[5] || ch[4] || ch[3] || ch[2] || ch[1] || ch[0]);
+    }
+#endif
+}
+
+QString QLocalePrivate::dateTimeToString(const QString &format, const QDate *date, const QTime *time,
+                                         const QLocale *q) const
+{
+    Q_ASSERT(date || time);
+    if ((date && !date->isValid()) || (time && !time->isValid()))
+        return QString();
+    const bool format_am_pm = time && timeFormatContainsAP(format);
+
+    enum { AM, PM } am_pm = AM;
+    int hour12 = time ? time->hour() : -1;
+    if (time) {
+        if (hour12 == 0) {
+            am_pm = AM;
+            hour12 = 12;
+        } else if (hour12 < 12) {
+            am_pm = AM;
+        } else if (hour12 == 12) {
+            am_pm = PM;
+        } else {
+            am_pm = PM;
+            hour12 -= 12;
+        }
+    }
+
+    QString result;
+
+    int i = 0;
+    while (i < format.size()) {
+        if (format.at(i).unicode() == '\'') {
+            result.append(readEscapedFormatString(format, &i));
+            continue;
+        }
+
+        const QChar c = format.at(i);
+        int repeat = repeatCount(format, i);
+        bool used = false;
+        if (date) {
+            switch (c.unicode()) {
+            case 'y':
+                used = true;
+                if (repeat >= 4)
+                    repeat = 4;
+                else if (repeat >= 2)
+                    repeat = 2;
+
+                switch (repeat) {
+                case 4:
+                    result.append(longLongToString(date->year()));
+                    break;
+                case 2:
+                    result.append(longLongToString(date->year() % 100, -1, 10, 2,
+                                                   QLocalePrivate::ZeroPadded));
+                    break;
+                default:
+                    repeat = 1;
+                    result.append(c);
+                    break;
+                }
+                break;
+
+            case 'M':
+                used = true;
+                repeat = qMin(repeat, 4);
+                switch (repeat) {
+                case 1:
+                    result.append(longLongToString(date->month()));
+                    break;
+                case 2:
+                    result.append(longLongToString(date->month(), -1, 10, 2, QLocalePrivate::ZeroPadded));
+                    break;
+                case 3:
+                    result.append(q->monthName(date->month(), QLocale::ShortFormat));
+                    break;
+                case 4:
+                    result.append(q->monthName(date->month(), QLocale::LongFormat));
+                    break;
+                }
+                break;
+
+            case 'd':
+                used = true;
+                repeat = qMin(repeat, 4);
+                switch (repeat) {
+                case 1:
+                    result.append(longLongToString(date->day()));
+                    break;
+                case 2:
+                    result.append(longLongToString(date->day(), -1, 10, 2, QLocalePrivate::ZeroPadded));
+                    break;
+                case 3:
+                    result.append(q->dayName(date->dayOfWeek(), QLocale::ShortFormat));
+                    break;
+                case 4:
+                    result.append(q->dayName(date->dayOfWeek(), QLocale::LongFormat));
+                    break;
+                }
+                break;
+
+            default:
+                break;
+            }
+        }
+        if (!used && time) {
+            switch (c.unicode()) {
+            case 'h': {
+                used = true;
+                repeat = qMin(repeat, 2);
+                const int hour = format_am_pm ? hour12 : time->hour();
+
+                switch (repeat) {
+                case 1:
+                    result.append(longLongToString(hour));
+                    break;
+                case 2:
+                    result.append(longLongToString(hour, -1, 10, 2, QLocalePrivate::ZeroPadded));
+                    break;
+                }
+                break;
+            }
+            case 'H':
+                used = true;
+                repeat = qMin(repeat, 2);
+                switch (repeat) {
+                case 1:
+                    result.append(longLongToString(time->hour()));
+                    break;
+                case 2:
+                    result.append(longLongToString(time->hour(), -1, 10, 2, QLocalePrivate::ZeroPadded));
+                    break;
+                }
+                break;
+
+            case 'm':
+                used = true;
+                repeat = qMin(repeat, 2);
+                switch (repeat) {
+                case 1:
+                    result.append(longLongToString(time->minute()));
+                    break;
+                case 2:
+                    result.append(longLongToString(time->minute(), -1, 10, 2, QLocalePrivate::ZeroPadded));
+                    break;
+                }
+                break;
+
+            case 's':
+                used = true;
+                repeat = qMin(repeat, 2);
+                switch (repeat) {
+                case 1:
+                    result.append(longLongToString(time->second()));
+                    break;
+                case 2:
+                    result.append(longLongToString(time->second(), -1, 10, 2, QLocalePrivate::ZeroPadded));
+                    break;
+                }
+                break;
+
+            case 'a':
+                used = true;
+                if (i + 1 < format.length() && format.at(i + 1).unicode() == 'p') {
+                    repeat = 2;
+                } else {
+                    repeat = 1;
+                }
+                result.append(am_pm == AM ? QLatin1String("am") : QLatin1String("pm"));
+                break;
+
+            case 'A':
+                used = true;
+                if (i + 1 < format.length() && format.at(i + 1).unicode() == 'P') {
+                    repeat = 2;
+                } else {
+                    repeat = 1;
+                }
+                result.append(am_pm == AM ? QLatin1String("AM") : QLatin1String("PM"));
+                break;
+
+            case 'z':
+                used = true;
+                if (repeat >= 3) {
+                    repeat = 3;
+                } else {
+                    repeat = 1;
+                }
+                switch (repeat) {
+                case 1:
+                    result.append(longLongToString(time->msec()));
+                    break;
+                case 3:
+                    result.append(longLongToString(time->msec(), -1, 10, 3, QLocalePrivate::ZeroPadded));
+                    break;
+                }
+                break;
+
+            case 't':
+                used = true;
+                repeat = 1;
+                result.append(timeZone());
+                break;
+            default:
+                break;
+            }
+        }
+        if (!used) {
+            result.append(QString(repeat, c));
+        }
+        i += repeat;
+    }
+
+    return result;
+}
+
+QString QLocalePrivate::doubleToString(double d,
+                                       int precision,
+                                       DoubleForm form,
+                                       int width,
+                                       unsigned flags) const
+{
+    if (precision == -1)
+        precision = 6;
+    if (width == -1)
+        width = 0;
+
+    bool negative = false;
+    bool special_number = false; // nan, +/-inf
+    QString num_str;
+
+    // Detect special numbers (nan, +/-inf)
+    if (qt_is_inf(d)) {
+        num_str = QString::fromLatin1("inf");
+        special_number = true;
+        negative = d < 0;
+    } else if (qt_is_nan(d)) {
+        num_str = QString::fromLatin1("nan");
+        special_number = true;
+    }
+
+    // Handle normal numbers
+    if (!special_number) {
+        int decpt, sign;
+        QString digits;
+
+#ifdef QT_QLOCALE_USES_FCVT
+        // NOT thread safe!
+        if (form == DFDecimal) {
+            digits = QLatin1String(fcvt(d, precision, &decpt, &sign));
+        } else {
+            int pr = precision;
+            if (form == DFExponent)
+                ++pr;
+            else if (form == DFSignificantDigits && pr == 0)
+                pr = 1;
+            digits = QLatin1String(ecvt(d, pr, &decpt, &sign));
+
+            // Chop trailing zeros
+            if (digits.length() > 0) {
+                int last_nonzero_idx = digits.length() - 1;
+                while (last_nonzero_idx > 0
+                       && digits.unicode()[last_nonzero_idx] == QLatin1Char('0'))
+                    --last_nonzero_idx;
+                digits.truncate(last_nonzero_idx + 1);
+            }
+
+        }
+
+#else
+        int mode;
+        if (form == DFDecimal)
+            mode = 3;
+        else
+            mode = 2;
+
+        /* This next bit is a bit quirky. In DFExponent form, the precision
+           is the number of digits after decpt. So that would suggest using
+           mode=3 for qdtoa. But qdtoa behaves strangely when mode=3 and
+           precision=0. So we get around this by using mode=2 and reasoning
+           that we want precision+1 significant digits, since the decimal
+           point in this mode is always after the first digit. */
+        int pr = precision;
+        if (form == DFExponent)
+            ++pr;
+
+        char *rve = 0;
+        char *buff = 0;
+        digits = QLatin1String(qdtoa(d, mode, pr, &decpt, &sign, &rve, &buff));
+        if (buff != 0)
+            free(buff);
+#endif // QT_QLOCALE_USES_FCVT
+
+        const QChar _zero = zero();
+
+        if (_zero.unicode() != '0') {
+            ushort z = _zero.unicode() - '0';
+            for (int i = 0; i < digits.length(); ++i)
+                reinterpret_cast<ushort *>(digits.data())[i] += z;
+        }
+
+        bool always_show_decpt = (flags & Alternate || flags & ForcePoint);
+        switch (form) {
+            case DFExponent: {
+                num_str = exponentForm(digits, decpt, precision, PMDecimalDigits,
+                                                    always_show_decpt, *this);
+                break;
+            }
+            case DFDecimal: {
+                num_str = decimalForm(digits, decpt, precision, PMDecimalDigits,
+                                        always_show_decpt, flags & ThousandsGroup,
+                                        *this);
+                break;
+            }
+            case DFSignificantDigits: {
+                PrecisionMode mode = (flags & Alternate) ?
+                            PMSignificantDigits : PMChopTrailingZeros;
+
+                if (decpt != digits.length() && (decpt <= -4 || decpt > precision))
+                    num_str = exponentForm(digits, decpt, precision, mode,
+                                                    always_show_decpt, *this);
+                else
+                    num_str = decimalForm(digits, decpt, precision, mode,
+                                            always_show_decpt, flags & ThousandsGroup,
+                                            *this);
+                break;
+            }
+        }
+
+        negative = sign != 0 && !isZero(d);
+    }
+
+    // pad with zeros. LeftAdjusted overrides this flag). Also, we don't
+    // pad special numbers
+    if (flags & QLocalePrivate::ZeroPadded
+            && !(flags & QLocalePrivate::LeftAdjusted)
+            && !special_number) {
+        int num_pad_chars = width - num_str.length();
+        // leave space for the sign
+        if (negative
+                || flags & QLocalePrivate::AlwaysShowSign
+                || flags & QLocalePrivate::BlankBeforePositive)
+            --num_pad_chars;
+
+        for (int i = 0; i < num_pad_chars; ++i)
+            num_str.prepend(zero());
+    }
+
+    // add sign
+    if (negative)
+        num_str.prepend(minus());
+    else if (flags & QLocalePrivate::AlwaysShowSign)
+        num_str.prepend(plus());
+    else if (flags & QLocalePrivate::BlankBeforePositive)
+        num_str.prepend(QLatin1Char(' '));
+
+    if (flags & QLocalePrivate::CapitalEorX)
+        num_str = num_str.toUpper();
+
+    return num_str;
+}
+
+QString QLocalePrivate::longLongToString(qlonglong l, int precision,
+                                            int base, int width,
+                                            unsigned flags) const
+{
+    bool precision_not_specified = false;
+    if (precision == -1) {
+        precision_not_specified = true;
+        precision = 1;
+    }
+
+    bool negative = l < 0;
+    if (base != 10) {
+        // these are not supported by sprintf for octal and hex
+        flags &= ~AlwaysShowSign;
+        flags &= ~BlankBeforePositive;
+        negative = false; // neither are negative numbers
+    }
+
+    QString num_str;
+    if (base == 10)
+        num_str = qlltoa(l, base, *this);
+    else
+        num_str = qulltoa(l, base, *this);
+
+    uint cnt_thousand_sep = 0;
+    if (flags & ThousandsGroup && base == 10) {
+        for (int i = num_str.length() - 3; i > 0; i -= 3) {
+            num_str.insert(i, group());
+            ++cnt_thousand_sep;
+        }
+    }
+
+    for (int i = num_str.length()/* - cnt_thousand_sep*/; i < precision; ++i)
+        num_str.prepend(base == 10 ? zero() : QChar::fromLatin1('0'));
+
+    if ((flags & Alternate || flags & ShowBase)
+            && base == 8
+            && (num_str.isEmpty() || num_str[0].unicode() != QLatin1Char('0')))
+        num_str.prepend(QLatin1Char('0'));
+
+    // LeftAdjusted overrides this flag ZeroPadded. sprintf only padds
+    // when precision is not specified in the format string
+    bool zero_padded = flags & ZeroPadded
+                        && !(flags & LeftAdjusted)
+                        && precision_not_specified;
+
+    if (zero_padded) {
+        int num_pad_chars = width - num_str.length();
+
+        // leave space for the sign
+        if (negative
+                || flags & AlwaysShowSign
+                || flags & BlankBeforePositive)
+            --num_pad_chars;
+
+        // leave space for optional '0x' in hex form
+        if (base == 16 && (flags & Alternate || flags & ShowBase))
+            num_pad_chars -= 2;
+        // leave space for optional '0b' in binary form
+        else if (base == 2 && (flags & Alternate || flags & ShowBase))
+            num_pad_chars -= 2;
+
+        for (int i = 0; i < num_pad_chars; ++i)
+            num_str.prepend(base == 10 ? zero() : QChar::fromLatin1('0'));
+    }
+
+    if (flags & CapitalEorX)
+        num_str = num_str.toUpper();
+
+    if (base == 16 && (flags & Alternate || flags & ShowBase))
+        num_str.prepend(QLatin1String(flags & UppercaseBase ? "0X" : "0x"));
+    if (base == 2 && (flags & Alternate || flags & ShowBase))
+        num_str.prepend(QLatin1String(flags & UppercaseBase ? "0B" : "0b"));
+
+    // add sign
+    if (negative)
+        num_str.prepend(minus());
+    else if (flags & AlwaysShowSign)
+        num_str.prepend(plus());
+    else if (flags & BlankBeforePositive)
+        num_str.prepend(QLatin1Char(' '));
+
+    return num_str;
+}
+
+QString QLocalePrivate::unsLongLongToString(qulonglong l, int precision,
+                                            int base, int width,
+                                            unsigned flags) const
+{
+    bool precision_not_specified = false;
+    if (precision == -1) {
+        precision_not_specified = true;
+        precision = 1;
+    }
+
+    QString num_str = qulltoa(l, base, *this);
+
+    uint cnt_thousand_sep = 0;
+    if (flags & ThousandsGroup && base == 10) {
+        for (int i = num_str.length() - 3; i > 0; i -=3) {
+            num_str.insert(i, group());
+            ++cnt_thousand_sep;
+        }
+    }
+
+    for (int i = num_str.length()/* - cnt_thousand_sep*/; i < precision; ++i)
+        num_str.prepend(base == 10 ? zero() : QChar::fromLatin1('0'));
+
+    if ((flags & Alternate || flags & ShowBase)
+            && base == 8
+            && (num_str.isEmpty() || num_str[0].unicode() != QLatin1Char('0')))
+        num_str.prepend(QLatin1Char('0'));
+
+    // LeftAdjusted overrides this flag ZeroPadded. sprintf only padds
+    // when precision is not specified in the format string
+    bool zero_padded = flags & ZeroPadded
+                        && !(flags & LeftAdjusted)
+                        && precision_not_specified;
+
+    if (zero_padded) {
+        int num_pad_chars = width - num_str.length();
+
+        // leave space for optional '0x' in hex form
+        if (base == 16 && flags & Alternate)
+            num_pad_chars -= 2;
+        // leave space for optional '0b' in binary form
+        else if (base == 2 && flags & Alternate)
+            num_pad_chars -= 2;
+
+        for (int i = 0; i < num_pad_chars; ++i)
+            num_str.prepend(base == 10 ? zero() : QChar::fromLatin1('0'));
+    }
+
+    if (flags & CapitalEorX)
+        num_str = num_str.toUpper();
+
+    if (base == 16 && (flags & Alternate || flags & ShowBase))
+        num_str.prepend(QLatin1String(flags & UppercaseBase ? "0X" : "0x"));
+    else if (base == 2 && (flags & Alternate || flags & ShowBase))
+        num_str.prepend(QLatin1String(flags & UppercaseBase ? "0B" : "0b"));
+
+    // add sign
+    if (flags & AlwaysShowSign)
+        num_str.prepend(plus());
+    else if (flags & BlankBeforePositive)
+        num_str.prepend(QLatin1Char(' '));
+
+    return num_str;
+}
+
+// Removes thousand-group separators in "C" locale.
+static bool removeGroupSeparators(QLocalePrivate::CharBuff *num)
+{
+    int group_cnt = 0; // counts number of group chars
+    int decpt_idx = -1;
+
+    char *data = num->data();
+    int l = qstrlen(data);
+
+    // Find the decimal point and check if there are any group chars
+    int i = 0;
+    for (; i < l; ++i) {
+        char c = data[i];
+
+        if (c == ',') {
+            if (i == 0 || data[i - 1] < '0' || data[i - 1] > '9')
+                return false;
+            if (i == l - 1 || data[i + 1] < '0' || data[i + 1] > '9')
+                return false;
+            ++group_cnt;
+        }
+        else if (c == '.') {
+            // Fail if more than one decimal points
+            if (decpt_idx != -1)
+                return false;
+            decpt_idx = i;
+        } else if (c == 'e' || c == 'E') {
+            // an 'e' or 'E' - if we have not encountered a decimal
+            // point, this is where it "is".
+            if (decpt_idx == -1)
+                decpt_idx = i;
+        }
+    }
+
+    // If no group chars, we're done
+    if (group_cnt == 0)
+        return true;
+
+    // No decimal point means that it "is" at the end of the string
+    if (decpt_idx == -1)
+        decpt_idx = l;
+
+    i = 0;
+    while (i < l && group_cnt > 0) {
+        char c = data[i];
+
+        if (c == ',') {
+            // Don't allow group chars after the decimal point
+            if (i > decpt_idx)
+                return false;
+
+            // Check that it is placed correctly relative to the decpt
+            if ((decpt_idx - i) % 4 != 0)
+                return false;
+
+            // Remove it
+            memmove(data + i, data + i + 1, l - i - 1);
+            data[--l] = '\0';
+
+            --group_cnt;
+            --decpt_idx;
+        } else {
+            // Check that we are not missing a separator
+            if (i < decpt_idx
+                    && (decpt_idx - i) % 4 == 0
+                    && !(i == 0 && c == '-')) // check for negative sign at start of string
+                return false;
+            ++i;
+        }
+    }
+
+    return true;
+}
+
+/*
+    Converts a number in locale to its representation in the C locale.
+    Only has to guarantee that a string that is a correct representation of
+    a number will be converted. If junk is passed in, junk will be passed
+    out and the error will be detected during the actual conversion to a
+    number. We can't detect junk here, since we don't even know the base
+    of the number.
+*/
+bool QLocalePrivate::numberToCLocale(const QString &num,
+                                            GroupSeparatorMode group_sep_mode,
+                                            CharBuff *result) const
+{
+    const QChar *uc = num.unicode();
+    int l = num.length();
+    int idx = 0;
+
+    // Skip whitespace
+    while (idx < l && uc[idx].isSpace())
+        ++idx;
+    if (idx == l)
+        return false;
+
+    const QChar _group = group();
+
+    while (idx < l) {
+        const QChar &in = uc[idx];
+
+        char out = digitToCLocale(in);
+        if (out == 0) {
+            if (in == list())
+                out = ';';
+            else if (in == percent())
+                out = '%';
+            // for handling base-x numbers
+            else if (in.unicode() >= 'A' && in.unicode() <= 'Z')
+                out = in.toLower().toLatin1();
+            else if (in.unicode() >= 'a' && in.unicode() <= 'z')
+                out = in.toLatin1();
+            else
+                break;
+        }
+
+        result->append(out);
+
+        ++idx;
+    }
+
+    // Check trailing whitespace
+    for (; idx < l; ++idx) {
+        if (!uc[idx].isSpace())
+            return false;
+    }
+
+    result->append('\0');
+
+    // Check separators
+    if (group_sep_mode == ParseGroupSeparators
+            && !removeGroupSeparators(result))
+        return false;
+
+
+    return true;
+}
+
+bool QLocalePrivate::validateChars(const QString &str, NumberMode numMode, QByteArray *buff,
+                                    int decDigits) const
+{
+    buff->clear();
+    buff->reserve(str.length());
+
+    const bool scientific = numMode == DoubleScientificMode;
+    bool lastWasE = false;
+    int eCnt = 0;
+    int decPointCnt = 0;
+    bool dec = false;
+    int decDigitCnt = 0;
+
+    for (int i = 0; i < str.length(); ++i) {
+        char c = digitToCLocale(str.at(i));
+
+        if (c >= '0' && c <= '9') {
+            if (numMode != IntegerMode) {
+                // If a double has too many digits after decpt, it shall be Invalid.
+                if (dec && decDigits != -1 && decDigits < ++decDigitCnt)
+                    return false;
+            }
+        } else {
+            switch (c) {
+                case '.':
+                    if (numMode == IntegerMode) {
+                        // If an integer has a decimal point, it shall be Invalid.
+                        return false;
+                    } else {
+                        // If a double has more than one decimal point, it shall be Invalid.
+                        if (++decPointCnt > 1)
+                            return false;
+#if 0
+                        // If a double with no decimal digits has a decimal point, it shall be
+                        // Invalid.
+                        if (decDigits == 0)
+                            return false;
+#endif                  // On second thoughts, it shall be Valid.
+
+                        dec = true;
+                    }
+                    break;
+
+                case '+':
+                case '-':
+                    if (scientific) {
+                        // If a scientific has a sign that's not at the beginning or after
+                        // an 'e', it shall be Invalid.
+                        if (i != 0 && !lastWasE)
+                            return false;
+                    } else {
+                        // If a non-scientific has a sign that's not at the beginning,
+                        // it shall be Invalid.
+                        if (i != 0)
+                            return false;
+                    }
+                    break;
+
+                case ',':
+                    return false;
+
+                case 'e':
+                    if (scientific) {
+                        // If a scientific has more than one 'e', it shall be Invalid.
+                        if (++eCnt > 1)
+                            return false;
+                        dec = false;
+                    } else {
+                        // If a non-scientific has an 'e', it shall be Invalid.
+                        return false;
+                    }
+                    break;
+
+                default:
+                    // If it's not a valid digit, it shall be Invalid.
+                    return false;
+            }
+        }
+
+        lastWasE = c == 'e';
+        buff->append(c);
+    }
+
+    return true;
+}
+
+double QLocalePrivate::stringToDouble(const QString &number, bool *ok,
+                                        GroupSeparatorMode group_sep_mode) const
+{
+    CharBuff buff;
+    if (!numberToCLocale(number, group_sep_mode, &buff)) {
+        if (ok != 0)
+            *ok = false;
+        return 0.0;
+    }
+    return bytearrayToDouble(buff.constData(), ok);
+}
+
+qlonglong QLocalePrivate::stringToLongLong(const QString &number, int base,
+                                           bool *ok, GroupSeparatorMode group_sep_mode) const
+{
+    CharBuff buff;
+    if (!numberToCLocale(number, group_sep_mode, &buff)) {
+        if (ok != 0)
+            *ok = false;
+        return 0;
+    }
+
+    return bytearrayToLongLong(buff.constData(), base, ok);
+}
+
+qulonglong QLocalePrivate::stringToUnsLongLong(const QString &number, int base,
+                                               bool *ok, GroupSeparatorMode group_sep_mode) const
+{
+    CharBuff buff;
+    if (!numberToCLocale(number, group_sep_mode, &buff)) {
+        if (ok != 0)
+            *ok = false;
+        return 0;
+    }
+
+    return bytearrayToUnsLongLong(buff.constData(), base, ok);
+}
+
+
+double QLocalePrivate::bytearrayToDouble(const char *num, bool *ok, bool *overflow)
+{
+    if (ok != 0)
+        *ok = true;
+    if (overflow != 0)
+        *overflow = false;
+
+    if (*num == '\0') {
+        if (ok != 0)
+            *ok = false;
+        return 0.0;
+    }
+
+    if (qstrcmp(num, "nan") == 0)
+        return qt_snan();
+
+    if (qstrcmp(num, "+inf") == 0 || qstrcmp(num, "inf") == 0)
+        return qt_inf();
+
+    if (qstrcmp(num, "-inf") == 0)
+        return -qt_inf();
+
+    bool _ok;
+    const char *endptr;
+    double d = qstrtod(num, &endptr, &_ok);
+
+    if (!_ok) {
+        // the only way strtod can fail with *endptr != '\0' on a non-empty
+        // input string is overflow
+        if (ok != 0)
+            *ok = false;
+        if (overflow != 0)
+            *overflow = *endptr != '\0';
+        return 0.0;
+    }
+
+    if (*endptr != '\0') {
+        // we stopped at a non-digit character after converting some digits
+        if (ok != 0)
+            *ok = false;
+        if (overflow != 0)
+            *overflow = false;
+        return 0.0;
+    }
+
+    if (ok != 0)
+        *ok = true;
+    if (overflow != 0)
+        *overflow = false;
+    return d;
+}
+
+qlonglong QLocalePrivate::bytearrayToLongLong(const char *num, int base, bool *ok, bool *overflow)
+{
+    bool _ok;
+    const char *endptr;
+
+    if (*num == '\0') {
+        if (ok != 0)
+            *ok = false;
+        if (overflow != 0)
+            *overflow = false;
+        return 0;
+    }
+
+    qlonglong l = qstrtoll(num, &endptr, base, &_ok);
+
+    if (!_ok) {
+        if (ok != 0)
+            *ok = false;
+        if (overflow != 0) {
+            // the only way qstrtoll can fail with *endptr != '\0' on a non-empty
+            // input string is overflow
+            *overflow = *endptr != '\0';
+        }
+        return 0;
+    }
+
+    if (*endptr != '\0') {
+        // we stopped at a non-digit character after converting some digits
+        if (ok != 0)
+            *ok = false;
+        if (overflow != 0)
+            *overflow = false;
+        return 0;
+    }
+
+    if (ok != 0)
+        *ok = true;
+    if (overflow != 0)
+        *overflow = false;
+    return l;
+}
+
+qulonglong QLocalePrivate::bytearrayToUnsLongLong(const char *num, int base, bool *ok)
+{
+    bool _ok;
+    const char *endptr;
+    qulonglong l = qstrtoull(num, &endptr, base, &_ok);
+
+    if (!_ok || *endptr != '\0') {
+        if (ok != 0)
+            *ok = false;
+        return 0;
+    }
+
+    if (ok != 0)
+        *ok = true;
+    return l;
+}
+
+/*-
+ * Copyright (c) 1992, 1993
+ *        The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgment:
+ *        This product includes software developed by the University of
+ *        California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+// static char sccsid[] = "@(#)strtouq.c        8.1 (Berkeley) 6/4/93";
+//  "$FreeBSD: src/lib/libc/stdlib/strtoull.c,v 1.5.2.1 2001/03/02 09:45:20 obrien Exp $";
+
+/*
+ * Convert a string to an unsigned long long integer.
+ *
+ * Ignores `locale' stuff.  Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+static qulonglong qstrtoull(const char *nptr, const char **endptr, register int base, bool *ok)
+{
+    register const char *s = nptr;
+    register qulonglong acc;
+    register unsigned char c;
+    register qulonglong qbase, cutoff;
+    register int any, cutlim;
+
+    if (ok != 0)
+        *ok = true;
+
+    /*
+     * See strtoq for comments as to the logic used.
+     */
+    s = nptr;
+    do {
+        c = *s++;
+    } while (isspace(c));
+    if (c == '-') {
+        if (ok != 0)
+            *ok = false;
+        if (endptr != 0)
+            *endptr = s - 1;
+        return 0;
+    } else {
+        if (c == '+')
+            c = *s++;
+    }
+    if ((base == 0 || base == 16) &&
+        c == '0' && (*s == 'x' || *s == 'X')) {
+        c = s[1];
+        s += 2;
+        base = 16;
+    }
+    if (base == 0)
+        base = c == '0' ? 8 : 10;
+    qbase = unsigned(base);
+    cutoff = qulonglong(ULLONG_MAX) / qbase;
+    cutlim = qulonglong(ULLONG_MAX) % qbase;
+    for (acc = 0, any = 0;; c = *s++) {
+        if (!isascii(c))
+            break;
+        if (isdigit(c))
+            c -= '0';
+        else if (isalpha(c))
+            c -= isupper(c) ? 'A' - 10 : 'a' - 10;
+        else
+            break;
+        if (c >= base)
+            break;
+        if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+            any = -1;
+        else {
+            any = 1;
+            acc *= qbase;
+            acc += c;
+        }
+    }
+    if (any == 0) {
+        if (ok != 0)
+            *ok = false;
+    } else if (any < 0) {
+        acc = ULLONG_MAX;
+        if (ok != 0)
+            *ok = false;
+    }
+    if (endptr != 0)
+        *endptr = (any ? s - 1 : nptr);
+    return acc;
+}
+
+
+//  "$FreeBSD: src/lib/libc/stdlib/strtoll.c,v 1.5.2.1 2001/03/02 09:45:20 obrien Exp $";
+
+
+/*
+ * Convert a string to a long long integer.
+ *
+ * Ignores `locale' stuff.  Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+Q_CORE_EXPORT qlonglong qstrtoll(const char *nptr, const char **endptr, register int base, bool *ok)
+{
+    register const char *s;
+    register qulonglong acc;
+    register unsigned char c;
+    register qulonglong qbase, cutoff;
+    register int neg, any, cutlim;
+
+    /*
+     * Skip white space and pick up leading +/- sign if any.
+     * If base is 0, allow 0x for hex and 0 for octal, else
+     * assume decimal; if base is already 16, allow 0x.
+     */
+    s = nptr;
+    do {
+        c = *s++;
+    } while (isspace(c));
+    if (c == '-') {
+        neg = 1;
+        c = *s++;
+    } else {
+        neg = 0;
+        if (c == '+')
+            c = *s++;
+    }
+    if ((base == 0 || base == 16) &&
+        c == '0' && (*s == 'x' || *s == 'X')) {
+        c = s[1];
+        s += 2;
+        base = 16;
+    }
+    if (base == 0)
+        base = c == '0' ? 8 : 10;
+
+    /*
+     * Compute the cutoff value between legal numbers and illegal
+     * numbers.  That is the largest legal value, divided by the
+     * base.  An input number that is greater than this value, if
+     * followed by a legal input character, is too big.  One that
+     * is equal to this value may be valid or not; the limit
+     * between valid and invalid numbers is then based on the last
+     * digit.  For instance, if the range for quads is
+     * [-9223372036854775808..9223372036854775807] and the input base
+     * is 10, cutoff will be set to 922337203685477580 and cutlim to
+     * either 7 (neg==0) or 8 (neg==1), meaning that if we have
+     * accumulated a value > 922337203685477580, or equal but the
+     * next digit is > 7 (or 8), the number is too big, and we will
+     * return a range error.
+     *
+     * Set any if any `digits' consumed; make it negative to indicate
+     * overflow.
+     */
+    qbase = unsigned(base);
+    cutoff = neg ? qulonglong(0-(LLONG_MIN + LLONG_MAX)) + LLONG_MAX : LLONG_MAX;
+    cutlim = cutoff % qbase;
+    cutoff /= qbase;
+    for (acc = 0, any = 0;; c = *s++) {
+        if (!isascii(c))
+            break;
+        if (isdigit(c))
+            c -= '0';
+        else if (isalpha(c))
+            c -= isupper(c) ? 'A' - 10 : 'a' - 10;
+        else
+            break;
+        if (c >= base)
+            break;
+        if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+            any = -1;
+        else {
+            any = 1;
+            acc *= qbase;
+            acc += c;
+        }
+    }
+    if (any < 0) {
+        acc = neg ? LLONG_MIN : LLONG_MAX;
+        if (ok != 0)
+            *ok = false;
+    } else if (neg) {
+        acc = (~acc) + 1;
+    }
+    if (endptr != 0)
+        *endptr = (any >= 0 ? s - 1 : nptr);
+
+    if (ok != 0)
+        *ok = any > 0;
+
+    return acc;
+}
+
+#ifndef QT_QLOCALE_USES_FCVT
+
+/*        From: NetBSD: strtod.c,v 1.26 1998/02/03 18:44:21 perry Exp */
+/* $FreeBSD: src/lib/libc/stdlib/netbsd_strtod.c,v 1.2.2.2 2001/03/02 17:14:15 tegge Exp $        */
+
+/* Please send bug reports to
+        David M. Gay
+        AT&T Bell Laboratories, Room 2C-463
+        600 Mountain Avenue
+        Murray Hill, NJ 07974-2070
+        U.S.A.
+        dmg@research.att.com or research!dmg
+ */
+
+/* strtod for IEEE-, VAX-, and IBM-arithmetic machines.
+ *
+ * This strtod returns a nearest machine number to the input decimal
+ * string (or sets errno to ERANGE).  With IEEE arithmetic, ties are
+ * broken by the IEEE round-even rule.  Otherwise ties are broken by
+ * biased rounding (add half and chop).
+ *
+ * Inspired loosely by William D. Clinger's paper "How to Read Floating
+ * Point Numbers Accurately" [Proc. ACM SIGPLAN '90, pp. 92-101].
+ *
+ * Modifications:
+ *
+ *        1. We only require IEEE, IBM, or VAX double-precision
+ *                arithmetic (not IEEE double-extended).
+ *        2. We get by with floating-point arithmetic in a case that
+ *                Clinger missed -- when we're computing d * 10^n
+ *                for a small integer d and the integer n is not too
+ *                much larger than 22 (the maximum integer k for which
+ *                we can represent 10^k exactly), we may be able to
+ *                compute (d*10^k) * 10^(e-k) with just one roundoff.
+ *        3. Rather than a bit-at-a-time adjustment of the binary
+ *                result in the hard case, we use floating-point
+ *                arithmetic to determine the adjustment to within
+ *                one bit; only in really hard cases do we need to
+ *                compute a second residual.
+ *        4. Because of 3., we don't need a large table of powers of 10
+ *                for ten-to-e (just some small tables, e.g. of 10^k
+ *                for 0 <= k <= 22).
+ */
+
+/*
+ * #define IEEE_LITTLE_ENDIAN for IEEE-arithmetic machines where the least
+ *        significant byte has the lowest address.
+ * #define IEEE_BIG_ENDIAN for IEEE-arithmetic machines where the most
+ *        significant byte has the lowest address.
+ * #define Long int on machines with 32-bit ints and 64-bit longs.
+ * #define Sudden_Underflow for IEEE-format machines without gradual
+ *        underflow (i.e., that flush to zero on underflow).
+ * #define IBM for IBM mainframe-style floating-point arithmetic.
+ * #define VAX for VAX-style floating-point arithmetic.
+ * #define Unsigned_Shifts if >> does treats its left operand as unsigned.
+ * #define No_leftright to omit left-right logic in fast floating-point
+ *        computation of dtoa.
+ * #define Check_FLT_ROUNDS if FLT_ROUNDS can assume the values 2 or 3.
+ * #define RND_PRODQUOT to use rnd_prod and rnd_quot (assembly routines
+ *        that use extended-precision instructions to compute rounded
+ *        products and quotients) with IBM.
+ * #define ROUND_BIASED for IEEE-format with biased rounding.
+ * #define Inaccurate_Divide for IEEE-format with correctly rounded
+ *        products but inaccurate quotients, e.g., for Intel i860.
+ * #define Just_16 to store 16 bits per 32-bit Long when doing high-precision
+ *        integer arithmetic.  Whether this speeds things up or slows things
+ *        down depends on the machine and the number being converted.
+ * #define KR_headers for old-style C function headers.
+ * #define Bad_float_h if your system lacks a float.h or if it does not
+ *        define some or all of DBL_DIG, DBL_MAX_10_EXP, DBL_MAX_EXP,
+ *        FLT_RADIX, FLT_ROUNDS, and DBL_MAX.
+ * #define MALLOC your_malloc, where your_malloc(n) acts like malloc(n)
+ *        if memory is available and otherwise does something you deem
+ *        appropriate.  If MALLOC is undefined, malloc will be invoked
+ *        directly -- and assumed always to succeed.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+__RCSID("$NetBSD: strtod.c,v 1.26 1998/02/03 18:44:21 perry Exp $");
+#endif /* LIBC_SCCS and not lint */
+
+/*
+#if defined(__m68k__)    || defined(__sparc__) || defined(__i386__) || \
+     defined(__mips__)    || defined(__ns32k__) || defined(__alpha__) || \
+     defined(__powerpc__) || defined(Q_OS_WIN) || defined(Q_OS_DARWIN) || defined(Q_OS_MAC) || \
+     defined(mips) || defined(Q_OS_AIX) || defined(Q_OS_SOLARIS)
+#           define IEEE_BIG_OR_LITTLE_ENDIAN 1
+#endif
+*/
+
+// *All* of our architectures have IEEE arithmetic, don't they?
+#define IEEE_BIG_OR_LITTLE_ENDIAN 1
+
+#ifdef __arm32__
+/*
+ * Although the CPU is little endian the FP has different
+ * byte and word endianness. The byte order is still little endian
+ * but the word order is big endian.
+ */
+#define IEEE_BIG_OR_LITTLE_ENDIAN
+#endif
+
+#ifdef vax
+#define VAX
+#endif
+
+#define Long        qint32
+#define ULong        quint32
+
+#define MALLOC malloc
+
+#ifdef BSD_QDTOA_DEBUG
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <stdio.h>
+QT_END_INCLUDE_NAMESPACE
+
+#define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);}
+#endif
+
+#ifdef Unsigned_Shifts
+#define Sign_Extend(a,b) if (b < 0) a |= 0xffff0000;
+#else
+#define Sign_Extend(a,b) /*no-op*/
+#endif
+
+#if (defined(IEEE_BIG_OR_LITTLE_ENDIAN) + defined(VAX) + defined(IBM)) != 1
+#error Exactly one of IEEE_BIG_OR_LITTLE_ENDIAN, VAX, or IBM should be defined.
+#endif
+
+static inline ULong _getWord0(const NEEDS_VOLATILE double x)
+{
+    const NEEDS_VOLATILE uchar *ptr = reinterpret_cast<const NEEDS_VOLATILE uchar *>(&x);
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
+    } else {
+        return (ptr[7]<<24) + (ptr[6]<<16) + (ptr[5]<<8) + ptr[4];
+    }
+}
+
+static inline void _setWord0(NEEDS_VOLATILE double *x, ULong l)
+{
+    NEEDS_VOLATILE uchar *ptr = reinterpret_cast<NEEDS_VOLATILE uchar *>(x);
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        ptr[0] = uchar(l>>24);
+        ptr[1] = uchar(l>>16);
+        ptr[2] = uchar(l>>8);
+        ptr[3] = uchar(l);
+    } else {
+        ptr[7] = uchar(l>>24);
+        ptr[6] = uchar(l>>16);
+        ptr[5] = uchar(l>>8);
+        ptr[4] = uchar(l);
+    }
+}
+
+static inline ULong _getWord1(const NEEDS_VOLATILE double x)
+{
+    const NEEDS_VOLATILE uchar *ptr = reinterpret_cast<const NEEDS_VOLATILE uchar *>(&x);
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        return (ptr[4]<<24) + (ptr[5]<<16) + (ptr[6]<<8) + ptr[7];
+    } else {
+        return (ptr[3]<<24) + (ptr[2]<<16) + (ptr[1]<<8) + ptr[0];
+    }
+}
+static inline void _setWord1(NEEDS_VOLATILE double *x, ULong l)
+{
+    NEEDS_VOLATILE uchar *ptr = reinterpret_cast<uchar NEEDS_VOLATILE *>(x);
+    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+        ptr[4] = uchar(l>>24);
+        ptr[5] = uchar(l>>16);
+        ptr[6] = uchar(l>>8);
+        ptr[7] = uchar(l);
+    } else {
+        ptr[3] = uchar(l>>24);
+        ptr[2] = uchar(l>>16);
+        ptr[1] = uchar(l>>8);
+        ptr[0] = uchar(l);
+    }
+}
+
+static inline ULong getWord0(const NEEDS_VOLATILE double x)
+{
+#ifdef QT_ARMFPA
+    return _getWord1(x);
+#else
+    return _getWord0(x);
+#endif
+}
+
+static inline void setWord0(NEEDS_VOLATILE double *x, ULong l)
+{
+#ifdef QT_ARMFPA
+    _setWord1(x, l);
+#else
+    _setWord0(x, l);
+#endif
+}
+
+static inline ULong getWord1(const NEEDS_VOLATILE double x)
+{
+#ifdef QT_ARMFPA
+    return _getWord0(x);
+#else
+    return _getWord1(x);
+#endif
+}
+
+static inline void setWord1(NEEDS_VOLATILE double *x, ULong l)
+{
+#ifdef QT_ARMFPA
+    _setWord0(x, l);
+#else
+    _setWord1(x, l);
+#endif
+}
+
+static inline void Storeinc(ULong *&a, const ULong &b, const ULong &c)
+{
+
+    *a = (ushort(b) << 16) | ushort(c);
+    ++a;
+}
+
+/* #define P DBL_MANT_DIG */
+/* Ten_pmax = floor(P*log(2)/log(5)) */
+/* Bletch = (highest power of 2 < DBL_MAX_10_EXP) / 16 */
+/* Quick_max = floor((P-1)*log(FLT_RADIX)/log(10) - 1) */
+/* Int_max = floor(P*log(FLT_RADIX)/log(10) - 1) */
+
+#if defined(IEEE_BIG_OR_LITTLE_ENDIAN)
+#define Exp_shift  20
+#define Exp_shift1 20
+#define Exp_msk1    0x100000
+#define Exp_msk11   0x100000
+#define Exp_mask  0x7ff00000
+#define P 53
+#define Bias 1023
+#define IEEE_Arith
+#define Emin (-1022)
+#define Exp_1  0x3ff00000
+#define Exp_11 0x3ff00000
+#define Ebits 11
+#define Frac_mask  0xfffff
+#define Frac_mask1 0xfffff
+#define Ten_pmax 22
+#define Bletch 0x10
+#define Bndry_mask  0xfffff
+#define Bndry_mask1 0xfffff
+#define LSB 1
+#define Sign_bit 0x80000000
+#define Log2P 1
+#define Tiny0 0
+#define Tiny1 1
+#define Quick_max 14
+#define Int_max 14
+#define Infinite(x) (getWord0(x) == 0x7ff00000) /* sufficient test for here */
+#else
+#undef  Sudden_Underflow
+#define Sudden_Underflow
+#ifdef IBM
+#define Exp_shift  24
+#define Exp_shift1 24
+#define Exp_msk1   0x1000000
+#define Exp_msk11  0x1000000
+#define Exp_mask  0x7f000000
+#define P 14
+#define Bias 65
+#define Exp_1  0x41000000
+#define Exp_11 0x41000000
+#define Ebits 8        /* exponent has 7 bits, but 8 is the right value in b2d */
+#define Frac_mask  0xffffff
+#define Frac_mask1 0xffffff
+#define Bletch 4
+#define Ten_pmax 22
+#define Bndry_mask  0xefffff
+#define Bndry_mask1 0xffffff
+#define LSB 1
+#define Sign_bit 0x80000000
+#define Log2P 4
+#define Tiny0 0x100000
+#define Tiny1 0
+#define Quick_max 14
+#define Int_max 15
+#else /* VAX */
+#define Exp_shift  23
+#define Exp_shift1 7
+#define Exp_msk1    0x80
+#define Exp_msk11   0x800000
+#define Exp_mask  0x7f80
+#define P 56
+#define Bias 129
+#define Exp_1  0x40800000
+#define Exp_11 0x4080
+#define Ebits 8
+#define Frac_mask  0x7fffff
+#define Frac_mask1 0xffff007f
+#define Ten_pmax 24
+#define Bletch 2
+#define Bndry_mask  0xffff007f
+#define Bndry_mask1 0xffff007f
+#define LSB 0x10000
+#define Sign_bit 0x8000
+#define Log2P 1
+#define Tiny0 0x80
+#define Tiny1 0
+#define Quick_max 15
+#define Int_max 15
+#endif
+#endif
+
+#ifndef IEEE_Arith
+#define ROUND_BIASED
+#endif
+
+#ifdef RND_PRODQUOT
+#define rounded_product(a,b) a = rnd_prod(a, b)
+#define rounded_quotient(a,b) a = rnd_quot(a, b)
+extern double rnd_prod(double, double), rnd_quot(double, double);
+#else
+#define rounded_product(a,b) a *= b
+#define rounded_quotient(a,b) a /= b
+#endif
+
+#define Big0 (Frac_mask1 | Exp_msk1*(DBL_MAX_EXP+Bias-1))
+#define Big1 0xffffffff
+
+#ifndef Just_16
+/* When Pack_32 is not defined, we store 16 bits per 32-bit Long.
+ * This makes some inner loops simpler and sometimes saves work
+ * during multiplications, but it often seems to make things slightly
+ * slower.  Hence the default is now to store 32 bits per Long.
+ */
+#ifndef Pack_32
+#define Pack_32
+#endif
+#endif
+
+#define Kmax 15
+
+struct
+Bigint {
+    struct Bigint *next;
+    int k, maxwds, sign, wds;
+    ULong x[1];
+};
+
+ typedef struct Bigint Bigint;
+
+static Bigint *Balloc(int k)
+{
+    int x;
+    Bigint *rv;
+
+    x = 1 << k;
+    rv = static_cast<Bigint *>(MALLOC(sizeof(Bigint) + (x-1)*sizeof(Long)));
+    rv->k = k;
+    rv->maxwds = x;
+    rv->sign = rv->wds = 0;
+    return rv;
+}
+
+static void Bfree(Bigint *v)
+{
+    free(v);
+}
+
+#define Bcopy(x,y) memcpy(reinterpret_cast<char *>(&x->sign), reinterpret_cast<char *>(&y->sign), \
+y->wds*sizeof(Long) + 2*sizeof(int))
+
+/* multiply by m and add a */
+static Bigint *multadd(Bigint *b, int m, int a)
+{
+    int i, wds;
+    ULong *x, y;
+#ifdef Pack_32
+    ULong xi, z;
+#endif
+    Bigint *b1;
+
+    wds = b->wds;
+    x = b->x;
+    i = 0;
+    do {
+#ifdef Pack_32
+        xi = *x;
+        y = (xi & 0xffff) * m + a;
+        z = (xi >> 16) * m + (y >> 16);
+        a = (z >> 16);
+        *x++ = (z << 16) + (y & 0xffff);
+#else
+        y = *x * m + a;
+        a = (y >> 16);
+        *x++ = y & 0xffff;
+#endif
+    }
+    while(++i < wds);
+    if (a) {
+        if (wds >= b->maxwds) {
+            b1 = Balloc(b->k+1);
+            Bcopy(b1, b);
+            Bfree(b);
+            b = b1;
+        }
+        b->x[wds++] = a;
+        b->wds = wds;
+    }
+    return b;
+}
+
+static Bigint *s2b(const char *s, int nd0, int nd, ULong y9)
+{
+    Bigint *b;
+    int i, k;
+    Long x, y;
+
+    x = (nd + 8) / 9;
+    for(k = 0, y = 1; x > y; y <<= 1, k++) ;
+#ifdef Pack_32
+    b = Balloc(k);
+    b->x[0] = y9;
+    b->wds = 1;
+#else
+    b = Balloc(k+1);
+    b->x[0] = y9 & 0xffff;
+    b->wds = (b->x[1] = y9 >> 16) ? 2 : 1;
+#endif
+
+    i = 9;
+    if (9 < nd0) {
+        s += 9;
+        do b = multadd(b, 10, *s++ - '0');
+        while(++i < nd0);
+        s++;
+    }
+    else
+        s += 10;
+    for(; i < nd; i++)
+        b = multadd(b, 10, *s++ - '0');
+    return b;
+}
+
+static int hi0bits(ULong x)
+{
+    int k = 0;
+
+    if (!(x & 0xffff0000)) {
+        k = 16;
+        x <<= 16;
+    }
+    if (!(x & 0xff000000)) {
+        k += 8;
+        x <<= 8;
+    }
+    if (!(x & 0xf0000000)) {
+        k += 4;
+        x <<= 4;
+    }
+    if (!(x & 0xc0000000)) {
+        k += 2;
+        x <<= 2;
+    }
+    if (!(x & 0x80000000)) {
+        k++;
+        if (!(x & 0x40000000))
+            return 32;
+    }
+    return k;
+}
+
+static int lo0bits(ULong *y)
+{
+    int k;
+    ULong x = *y;
+
+    if (x & 7) {
+        if (x & 1)
+            return 0;
+        if (x & 2) {
+            *y = x >> 1;
+            return 1;
+        }
+        *y = x >> 2;
+        return 2;
+    }
+    k = 0;
+    if (!(x & 0xffff)) {
+        k = 16;
+        x >>= 16;
+    }
+    if (!(x & 0xff)) {
+        k += 8;
+        x >>= 8;
+    }
+    if (!(x & 0xf)) {
+        k += 4;
+        x >>= 4;
+    }
+    if (!(x & 0x3)) {
+        k += 2;
+        x >>= 2;
+    }
+    if (!(x & 1)) {
+        k++;
+        x >>= 1;
+        if (!x & 1)
+            return 32;
+    }
+    *y = x;
+    return k;
+}
+
+static Bigint *i2b(int i)
+{
+    Bigint *b;
+
+    b = Balloc(1);
+    b->x[0] = i;
+    b->wds = 1;
+    return b;
+}
+
+static Bigint *mult(Bigint *a, Bigint *b)
+{
+    Bigint *c;
+    int k, wa, wb, wc;
+    ULong carry, y, z;
+    ULong *x, *xa, *xae, *xb, *xbe, *xc, *xc0;
+#ifdef Pack_32
+    ULong z2;
+#endif
+
+    if (a->wds < b->wds) {
+        c = a;
+        a = b;
+        b = c;
+    }
+    k = a->k;
+    wa = a->wds;
+    wb = b->wds;
+    wc = wa + wb;
+    if (wc > a->maxwds)
+        k++;
+    c = Balloc(k);
+    for(x = c->x, xa = x + wc; x < xa; x++)
+        *x = 0;
+    xa = a->x;
+    xae = xa + wa;
+    xb = b->x;
+    xbe = xb + wb;
+    xc0 = c->x;
+#ifdef Pack_32
+    for(; xb < xbe; xb++, xc0++) {
+        if ((y = *xb & 0xffff) != 0) {
+            x = xa;
+            xc = xc0;
+            carry = 0;
+            do {
+                z = (*x & 0xffff) * y + (*xc & 0xffff) + carry;
+                carry = z >> 16;
+                z2 = (*x++ >> 16) * y + (*xc >> 16) + carry;
+                carry = z2 >> 16;
+                Storeinc(xc, z2, z);
+            }
+            while(x < xae);
+            *xc = carry;
+        }
+        if ((y = *xb >> 16) != 0) {
+            x = xa;
+            xc = xc0;
+            carry = 0;
+            z2 = *xc;
+            do {
+                z = (*x & 0xffff) * y + (*xc >> 16) + carry;
+                carry = z >> 16;
+                Storeinc(xc, z, z2);
+                z2 = (*x++ >> 16) * y + (*xc & 0xffff) + carry;
+                carry = z2 >> 16;
+            }
+            while(x < xae);
+            *xc = z2;
+        }
+    }
+#else
+    for(; xb < xbe; xc0++) {
+        if (y = *xb++) {
+            x = xa;
+            xc = xc0;
+            carry = 0;
+            do {
+                z = *x++ * y + *xc + carry;
+                carry = z >> 16;
+                *xc++ = z & 0xffff;
+            }
+            while(x < xae);
+            *xc = carry;
+        }
+    }
+#endif
+    for(xc0 = c->x, xc = xc0 + wc; wc > 0 && !*--xc; --wc) ;
+    c->wds = wc;
+    return c;
+}
+
+static Bigint *p5s;
+
+static Bigint *pow5mult(Bigint *b, int k)
+{
+    Bigint *b1, *p5, *p51;
+    int i;
+    static const int p05[3] = { 5, 25, 125 };
+
+    if ((i = k & 3) != 0)
+#if defined(Q_OS_IRIX) && defined(Q_CC_GNU)
+    {
+        // work around a bug on 64 bit IRIX gcc
+        int *p = (int *) p05;
+        b = multadd(b, p[i-1], 0);
+    }
+#else
+    b = multadd(b, p05[i-1], 0);
+#endif
+
+    if (!(k >>= 2))
+        return b;
+    if (!(p5 = p5s)) {
+        /* first time */
+        p5 = p5s = i2b(625);
+        p5->next = 0;
+    }
+    for(;;) {
+        if (k & 1) {
+            b1 = mult(b, p5);
+            Bfree(b);
+            b = b1;
+        }
+        if (!(k >>= 1))
+            break;
+        if (!(p51 = p5->next)) {
+            p51 = p5->next = mult(p5,p5);
+            p51->next = 0;
+        }
+        p5 = p51;
+    }
+    return b;
+}
+
+static Bigint *lshift(Bigint *b, int k)
+{
+    int i, k1, n, n1;
+    Bigint *b1;
+    ULong *x, *x1, *xe, z;
+
+#ifdef Pack_32
+    n = k >> 5;
+#else
+    n = k >> 4;
+#endif
+    k1 = b->k;
+    n1 = n + b->wds + 1;
+    for(i = b->maxwds; n1 > i; i <<= 1)
+        k1++;
+    b1 = Balloc(k1);
+    x1 = b1->x;
+    for(i = 0; i < n; i++)
+        *x1++ = 0;
+    x = b->x;
+    xe = x + b->wds;
+#ifdef Pack_32
+    if (k &= 0x1f) {
+        k1 = 32 - k;
+        z = 0;
+        do {
+            *x1++ = *x << k | z;
+            z = *x++ >> k1;
+        }
+        while(x < xe);
+        if ((*x1 = z) != 0)
+            ++n1;
+    }
+#else
+    if (k &= 0xf) {
+        k1 = 16 - k;
+        z = 0;
+        do {
+            *x1++ = *x << k  & 0xffff | z;
+            z = *x++ >> k1;
+        }
+        while(x < xe);
+        if (*x1 = z)
+            ++n1;
+    }
+#endif
+    else do
+        *x1++ = *x++;
+    while(x < xe);
+    b1->wds = n1 - 1;
+    Bfree(b);
+    return b1;
+}
+
+static int cmp(Bigint *a, Bigint *b)
+{
+    ULong *xa, *xa0, *xb, *xb0;
+    int i, j;
+
+    i = a->wds;
+    j = b->wds;
+#ifdef BSD_QDTOA_DEBUG
+    if (i > 1 && !a->x[i-1])
+        Bug("cmp called with a->x[a->wds-1] == 0");
+    if (j > 1 && !b->x[j-1])
+        Bug("cmp called with b->x[b->wds-1] == 0");
+#endif
+    if (i -= j)
+        return i;
+    xa0 = a->x;
+    xa = xa0 + j;
+    xb0 = b->x;
+    xb = xb0 + j;
+    for(;;) {
+        if (*--xa != *--xb)
+            return *xa < *xb ? -1 : 1;
+        if (xa <= xa0)
+            break;
+    }
+    return 0;
+}
+
+static Bigint *diff(Bigint *a, Bigint *b)
+{
+    Bigint *c;
+    int i, wa, wb;
+    Long borrow, y;        /* We need signed shifts here. */
+    ULong *xa, *xae, *xb, *xbe, *xc;
+#ifdef Pack_32
+    Long z;
+#endif
+
+    i = cmp(a,b);
+    if (!i) {
+        c = Balloc(0);
+        c->wds = 1;
+        c->x[0] = 0;
+        return c;
+    }
+    if (i < 0) {
+        c = a;
+        a = b;
+        b = c;
+        i = 1;
+    }
+    else
+        i = 0;
+    c = Balloc(a->k);
+    c->sign = i;
+    wa = a->wds;
+    xa = a->x;
+    xae = xa + wa;
+    wb = b->wds;
+    xb = b->x;
+    xbe = xb + wb;
+    xc = c->x;
+    borrow = 0;
+#ifdef Pack_32
+    do {
+        y = (*xa & 0xffff) - (*xb & 0xffff) + borrow;
+        borrow = y >> 16;
+        Sign_Extend(borrow, y);
+        z = (*xa++ >> 16) - (*xb++ >> 16) + borrow;
+        borrow = z >> 16;
+        Sign_Extend(borrow, z);
+        Storeinc(xc, z, y);
+    }
+    while(xb < xbe);
+    while(xa < xae) {
+        y = (*xa & 0xffff) + borrow;
+        borrow = y >> 16;
+        Sign_Extend(borrow, y);
+        z = (*xa++ >> 16) + borrow;
+        borrow = z >> 16;
+        Sign_Extend(borrow, z);
+        Storeinc(xc, z, y);
+    }
+#else
+    do {
+        y = *xa++ - *xb++ + borrow;
+        borrow = y >> 16;
+        Sign_Extend(borrow, y);
+        *xc++ = y & 0xffff;
+    }
+    while(xb < xbe);
+    while(xa < xae) {
+        y = *xa++ + borrow;
+        borrow = y >> 16;
+        Sign_Extend(borrow, y);
+        *xc++ = y & 0xffff;
+    }
+#endif
+    while(!*--xc)
+        wa--;
+    c->wds = wa;
+    return c;
+}
+
+static double ulp(double x)
+{
+    Long L;
+    double a;
+
+    L = (getWord0(x) & Exp_mask) - (P-1)*Exp_msk1;
+#ifndef Sudden_Underflow
+    if (L > 0) {
+#endif
+#ifdef IBM
+        L |= Exp_msk1 >> 4;
+#endif
+        setWord0(&a, L);
+        setWord1(&a, 0);
+#ifndef Sudden_Underflow
+    }
+    else {
+        L = -L >> Exp_shift;
+        if (L < Exp_shift) {
+            setWord0(&a, 0x80000 >> L);
+            setWord1(&a, 0);
+        }
+        else {
+            setWord0(&a, 0);
+            L -= Exp_shift;
+            setWord1(&a, L >= 31 ? 1U : 1U << (31 - L));
+        }
+    }
+#endif
+    return a;
+}
+
+static double b2d(Bigint *a, int *e)
+{
+    ULong *xa, *xa0, w, y, z;
+    int k;
+    double d;
+
+    xa0 = a->x;
+    xa = xa0 + a->wds;
+    y = *--xa;
+#ifdef BSD_QDTOA_DEBUG
+    if (!y) Bug("zero y in b2d");
+#endif
+    k = hi0bits(y);
+    *e = 32 - k;
+#ifdef Pack_32
+    if (k < Ebits) {
+        setWord0(&d, Exp_1 | y >> (Ebits - k));
+        w = xa > xa0 ? *--xa : 0;
+        setWord1(&d, y << ((32-Ebits) + k) | w >> (Ebits - k));
+        goto ret_d;
+    }
+    z = xa > xa0 ? *--xa : 0;
+    if (k -= Ebits) {
+        setWord0(&d, Exp_1 | y << k | z >> (32 - k));
+        y = xa > xa0 ? *--xa : 0;
+        setWord1(&d, z << k | y >> (32 - k));
+    }
+    else {
+        setWord0(&d, Exp_1 | y);
+        setWord1(&d, z);
+    }
+#else
+    if (k < Ebits + 16) {
+        z = xa > xa0 ? *--xa : 0;
+        setWord0(&d, Exp_1 | y << k - Ebits | z >> Ebits + 16 - k);
+        w = xa > xa0 ? *--xa : 0;
+        y = xa > xa0 ? *--xa : 0;
+        setWord1(&d, z << k + 16 - Ebits | w << k - Ebits | y >> 16 + Ebits - k);
+        goto ret_d;
+    }
+    z = xa > xa0 ? *--xa : 0;
+    w = xa > xa0 ? *--xa : 0;
+    k -= Ebits + 16;
+    setWord0(&d, Exp_1 | y << k + 16 | z << k | w >> 16 - k);
+    y = xa > xa0 ? *--xa : 0;
+    setWord1(&d, w << k + 16 | y << k);
+#endif
+ ret_d:
+    return d;
+}
+
+static Bigint *d2b(double d, int *e, int *bits)
+{
+    Bigint *b;
+    int de, i, k;
+    ULong *x, y, z;
+
+#ifdef Pack_32
+    b = Balloc(1);
+#else
+    b = Balloc(2);
+#endif
+    x = b->x;
+
+    z = getWord0(d) & Frac_mask;
+    setWord0(&d, getWord0(d) & 0x7fffffff);        /* clear sign bit, which we ignore */
+#ifdef Sudden_Underflow
+    de = (int)(getWord0(d) >> Exp_shift);
+#ifndef IBM
+    z |= Exp_msk11;
+#endif
+#else
+    if ((de = int(getWord0(d) >> Exp_shift)) != 0)
+        z |= Exp_msk1;
+#endif
+#ifdef Pack_32
+    if ((y = getWord1(d)) != 0) {
+        if ((k = lo0bits(&y)) != 0) {
+            x[0] = y | z << (32 - k);
+            z >>= k;
+        }
+        else
+            x[0] = y;
+        i = b->wds = (x[1] = z) ? 2 : 1;
+    }
+    else {
+#ifdef BSD_QDTOA_DEBUG
+        if (!z)
+            Bug("Zero passed to d2b");
+#endif
+        k = lo0bits(&z);
+        x[0] = z;
+        i = b->wds = 1;
+        k += 32;
+    }
+#else
+    if (y = getWord1(d)) {
+        if (k = lo0bits(&y))
+            if (k >= 16) {
+                x[0] = y | z << 32 - k & 0xffff;
+                x[1] = z >> k - 16 & 0xffff;
+                x[2] = z >> k;
+                i = 2;
+            }
+            else {
+                x[0] = y & 0xffff;
+                x[1] = y >> 16 | z << 16 - k & 0xffff;
+                x[2] = z >> k & 0xffff;
+                x[3] = z >> k+16;
+                i = 3;
+            }
+        else {
+            x[0] = y & 0xffff;
+            x[1] = y >> 16;
+            x[2] = z & 0xffff;
+            x[3] = z >> 16;
+            i = 3;
+        }
+    }
+    else {
+#ifdef BSD_QDTOA_DEBUG
+        if (!z)
+            Bug("Zero passed to d2b");
+#endif
+        k = lo0bits(&z);
+        if (k >= 16) {
+            x[0] = z;
+            i = 0;
+        }
+        else {
+            x[0] = z & 0xffff;
+            x[1] = z >> 16;
+            i = 1;
+        }
+        k += 32;
+    }
+    while(!x[i])
+        --i;
+    b->wds = i + 1;
+#endif
+#ifndef Sudden_Underflow
+    if (de) {
+#endif
+#ifdef IBM
+        *e = (de - Bias - (P-1) << 2) + k;
+        *bits = 4*P + 8 - k - hi0bits(getWord0(d) & Frac_mask);
+#else
+        *e = de - Bias - (P-1) + k;
+        *bits = P - k;
+#endif
+#ifndef Sudden_Underflow
+    }
+    else {
+        *e = de - Bias - (P-1) + 1 + k;
+#ifdef Pack_32
+        *bits = 32*i - hi0bits(x[i-1]);
+#else
+        *bits = (i+2)*16 - hi0bits(x[i]);
+#endif
+    }
+#endif
+    return b;
+}
+
+static double ratio(Bigint *a, Bigint *b)
+{
+    double da, db;
+    int k, ka, kb;
+
+    da = b2d(a, &ka);
+    db = b2d(b, &kb);
+#ifdef Pack_32
+    k = ka - kb + 32*(a->wds - b->wds);
+#else
+    k = ka - kb + 16*(a->wds - b->wds);
+#endif
+#ifdef IBM
+    if (k > 0) {
+        setWord0(&da, getWord0(da) + (k >> 2)*Exp_msk1);
+        if (k &= 3)
+            da *= 1 << k;
+    }
+    else {
+        k = -k;
+        setWord0(&db, getWord0(db) + (k >> 2)*Exp_msk1);
+        if (k &= 3)
+            db *= 1 << k;
+    }
+#else
+    if (k > 0)
+        setWord0(&da, getWord0(da) + k*Exp_msk1);
+    else {
+        k = -k;
+        setWord0(&db, getWord0(db) + k*Exp_msk1);
+    }
+#endif
+    return da / db;
+}
+
+static const double tens[] = {
+    1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9,
+    1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
+    1e20, 1e21, 1e22
+#ifdef VAX
+    , 1e23, 1e24
+#endif
+};
+
+#ifdef IEEE_Arith
+static const double bigtens[] = { 1e16, 1e32, 1e64, 1e128, 1e256 };
+static const double tinytens[] = { 1e-16, 1e-32, 1e-64, 1e-128, 1e-256 };
+#define n_bigtens 5
+#else
+#ifdef IBM
+static const double bigtens[] = { 1e16, 1e32, 1e64 };
+static const double tinytens[] = { 1e-16, 1e-32, 1e-64 };
+#define n_bigtens 3
+#else
+static const double bigtens[] = { 1e16, 1e32 };
+static const double tinytens[] = { 1e-16, 1e-32 };
+#define n_bigtens 2
+#endif
+#endif
+
+/*
+  The pre-release gcc3.3 shipped with SuSE 8.2 has a bug which causes
+  the comparison 1e-100 == 0.0 to return true. As a workaround, we
+  compare it to a global variable containing 0.0, which produces
+  correct assembler output.
+
+  ### consider detecting the broken compilers and using the static
+  ### double for these, and use a #define for all working compilers
+*/
+static double g_double_zero = 0.0;
+
+Q_CORE_EXPORT double qstrtod(const char *s00, const char **se, bool *ok)
+{
+    int bb2, bb5, bbe, bd2, bd5, bbbits, bs2, c, dsign,
+        e, e1, esign, i, j, k, nd, nd0, nf, nz, nz0, sign;
+    const char *s, *s0, *s1;
+    double aadj, aadj1, adj, rv, rv0;
+    Long L;
+    ULong y, z;
+    Bigint *bb1, *bd0;
+    Bigint *bb = NULL, *bd = NULL, *bs = NULL, *delta = NULL;/* pacify gcc */
+
+    /*
+      #ifndef KR_headers
+      const char decimal_point = localeconv()->decimal_point[0];
+      #else
+      const char decimal_point = '.';
+      #endif */
+    if (ok != 0)
+        *ok = true;
+
+    const char decimal_point = '.';
+
+    sign = nz0 = nz = 0;
+    rv = 0.;
+
+
+    for(s = s00; isspace(uchar(*s)); s++)
+        ;
+
+    if (*s == '-') {
+        sign = 1;
+        s++;
+    } else if (*s == '+') {
+        s++;
+    }
+
+    if (*s == '\0') {
+        s = s00;
+        goto ret;
+    }
+
+    if (*s == '0') {
+        nz0 = 1;
+        while(*++s == '0') ;
+        if (!*s)
+            goto ret;
+    }
+    s0 = s;
+    y = z = 0;
+    for(nd = nf = 0; (c = *s) >= '0' && c <= '9'; nd++, s++)
+        if (nd < 9)
+            y = 10*y + c - '0';
+        else if (nd < 16)
+            z = 10*z + c - '0';
+    nd0 = nd;
+    if (c == decimal_point) {
+        c = *++s;
+        if (!nd) {
+            for(; c == '0'; c = *++s)
+                nz++;
+            if (c > '0' && c <= '9') {
+                s0 = s;
+                nf += nz;
+                nz = 0;
+                goto have_dig;
+            }
+            goto dig_done;
+        }
+        for(; c >= '0' && c <= '9'; c = *++s) {
+        have_dig:
+            nz++;
+            if (c -= '0') {
+                nf += nz;
+                for(i = 1; i < nz; i++)
+                    if (nd++ < 9)
+                        y *= 10;
+                    else if (nd <= DBL_DIG + 1)
+                        z *= 10;
+                if (nd++ < 9)
+                    y = 10*y + c;
+                else if (nd <= DBL_DIG + 1)
+                    z = 10*z + c;
+                nz = 0;
+            }
+        }
+    }
+ dig_done:
+    e = 0;
+    if (c == 'e' || c == 'E') {
+        if (!nd && !nz && !nz0) {
+            s = s00;
+            goto ret;
+        }
+        s00 = s;
+        esign = 0;
+        switch(c = *++s) {
+        case '-':
+            esign = 1;
+        case '+':
+            c = *++s;
+        }
+        if (c >= '0' && c <= '9') {
+            while(c == '0')
+                c = *++s;
+            if (c > '0' && c <= '9') {
+                L = c - '0';
+                s1 = s;
+                while((c = *++s) >= '0' && c <= '9')
+                    L = 10*L + c - '0';
+                if (s - s1 > 8 || L > 19999)
+                    /* Avoid confusion from exponents
+                     * so large that e might overflow.
+                     */
+                    e = 19999; /* safe for 16 bit ints */
+                else
+                    e = int(L);
+                if (esign)
+                    e = -e;
+            }
+            else
+                e = 0;
+        }
+        else
+            s = s00;
+    }
+    if (!nd) {
+        if (!nz && !nz0)
+            s = s00;
+        goto ret;
+    }
+    e1 = e -= nf;
+
+    /* Now we have nd0 digits, starting at s0, followed by a
+     * decimal point, followed by nd-nd0 digits.  The number we're
+     * after is the integer represented by those digits times
+     * 10**e */
+
+    if (!nd0)
+        nd0 = nd;
+    k = nd < DBL_DIG + 1 ? nd : DBL_DIG + 1;
+    rv = y;
+    if (k > 9)
+#if defined(Q_OS_IRIX) && defined(Q_CC_GNU)
+    {
+        // work around a bug on 64 bit IRIX gcc
+        double *t = (double *) tens;
+        rv = t[k - 9] * rv + z;
+    }
+#else
+    rv = tens[k - 9] * rv + z;
+#endif
+
+    bd0 = 0;
+    if (nd <= DBL_DIG
+#ifndef RND_PRODQUOT
+        && FLT_ROUNDS == 1
+#endif
+        ) {
+        if (!e)
+            goto ret;
+        if (e > 0) {
+            if (e <= Ten_pmax) {
+#ifdef VAX
+                goto vax_ovfl_check;
+#else
+                /* rv = */ rounded_product(rv, tens[e]);
+                goto ret;
+#endif
+            }
+            i = DBL_DIG - nd;
+            if (e <= Ten_pmax + i) {
+                /* A fancier test would sometimes let us do
+                 * this for larger i values.
+                 */
+                e -= i;
+                rv *= tens[i];
+#ifdef VAX
+                /* VAX exponent range is so narrow we must
+                 * worry about overflow here...
+                 */
+            vax_ovfl_check:
+                setWord0(&rv, getWord0(rv) - P*Exp_msk1);
+                /* rv = */ rounded_product(rv, tens[e]);
+                if ((getWord0(rv) & Exp_mask)
+                    > Exp_msk1*(DBL_MAX_EXP+Bias-1-P))
+                    goto ovfl;
+                setWord0(&rv, getWord0(rv) + P*Exp_msk1);
+#else
+                /* rv = */ rounded_product(rv, tens[e]);
+#endif
+                goto ret;
+            }
+        }
+#ifndef Inaccurate_Divide
+        else if (e >= -Ten_pmax) {
+            /* rv = */ rounded_quotient(rv, tens[-e]);
+            goto ret;
+        }
+#endif
+    }
+    e1 += nd - k;
+
+    /* Get starting approximation = rv * 10**e1 */
+
+    if (e1 > 0) {
+        if ((i = e1 & 15) != 0)
+            rv *= tens[i];
+        if (e1 &= ~15) {
+            if (e1 > DBL_MAX_10_EXP) {
+            ovfl:
+                //                                errno = ERANGE;
+                if (ok != 0)
+                    *ok = false;
+#ifdef __STDC__
+                rv = HUGE_VAL;
+#else
+                /* Can't trust HUGE_VAL */
+#ifdef IEEE_Arith
+                setWord0(&rv, Exp_mask);
+                setWord1(&rv, 0);
+#else
+                setWord0(&rv, Big0);
+                setWord1(&rv, Big1);
+#endif
+#endif
+                if (bd0)
+                    goto retfree;
+                goto ret;
+            }
+            if (e1 >>= 4) {
+                for(j = 0; e1 > 1; j++, e1 >>= 1)
+                    if (e1 & 1)
+                        rv *= bigtens[j];
+                /* The last multiplication could overflow. */
+                setWord0(&rv, getWord0(rv) - P*Exp_msk1);
+                rv *= bigtens[j];
+                if ((z = getWord0(rv) & Exp_mask)
+                    > Exp_msk1*(DBL_MAX_EXP+Bias-P))
+                    goto ovfl;
+                if (z > Exp_msk1*(DBL_MAX_EXP+Bias-1-P)) {
+                    /* set to largest number */
+                    /* (Can't trust DBL_MAX) */
+                    setWord0(&rv, Big0);
+                    setWord1(&rv, Big1);
+                }
+                else
+                    setWord0(&rv, getWord0(rv) + P*Exp_msk1);
+            }
+
+        }
+    }
+    else if (e1 < 0) {
+        e1 = -e1;
+        if ((i = e1 & 15) != 0)
+            rv /= tens[i];
+        if (e1 &= ~15) {
+            e1 >>= 4;
+            if (e1 >= 1 << n_bigtens)
+                goto undfl;
+            for(j = 0; e1 > 1; j++, e1 >>= 1)
+                if (e1 & 1)
+                    rv *= tinytens[j];
+            /* The last multiplication could underflow. */
+            rv0 = rv;
+            rv *= tinytens[j];
+            if (rv == g_double_zero)
+                {
+                    rv = 2.*rv0;
+                    rv *= tinytens[j];
+                    if (rv == g_double_zero)
+                        {
+                        undfl:
+                            rv = 0.;
+                            //                                        errno = ERANGE;
+                            if (ok != 0)
+                                *ok = false;
+                            if (bd0)
+                                goto retfree;
+                            goto ret;
+                        }
+                    setWord0(&rv, Tiny0);
+                    setWord1(&rv, Tiny1);
+                    /* The refinement below will clean
+                     * this approximation up.
+                     */
+                }
+        }
+    }
+
+    /* Now the hard part -- adjusting rv to the correct value.*/
+
+    /* Put digits into bd: true value = bd * 10^e */
+
+    bd0 = s2b(s0, nd0, nd, y);
+
+    for(;;) {
+        bd = Balloc(bd0->k);
+        Bcopy(bd, bd0);
+        bb = d2b(rv, &bbe, &bbbits);        /* rv = bb * 2^bbe */
+        bs = i2b(1);
+
+        if (e >= 0) {
+            bb2 = bb5 = 0;
+            bd2 = bd5 = e;
+        }
+        else {
+            bb2 = bb5 = -e;
+            bd2 = bd5 = 0;
+        }
+        if (bbe >= 0)
+            bb2 += bbe;
+        else
+            bd2 -= bbe;
+        bs2 = bb2;
+#ifdef Sudden_Underflow
+#ifdef IBM
+        j = 1 + 4*P - 3 - bbbits + ((bbe + bbbits - 1) & 3);
+#else
+        j = P + 1 - bbbits;
+#endif
+#else
+        i = bbe + bbbits - 1;        /* logb(rv) */
+        if (i < Emin)        /* denormal */
+            j = bbe + (P-Emin);
+        else
+            j = P + 1 - bbbits;
+#endif
+        bb2 += j;
+        bd2 += j;
+        i = bb2 < bd2 ? bb2 : bd2;
+        if (i > bs2)
+            i = bs2;
+        if (i > 0) {
+            bb2 -= i;
+            bd2 -= i;
+            bs2 -= i;
+        }
+        if (bb5 > 0) {
+            bs = pow5mult(bs, bb5);
+            bb1 = mult(bs, bb);
+            Bfree(bb);
+            bb = bb1;
+        }
+        if (bb2 > 0)
+            bb = lshift(bb, bb2);
+        if (bd5 > 0)
+            bd = pow5mult(bd, bd5);
+        if (bd2 > 0)
+            bd = lshift(bd, bd2);
+        if (bs2 > 0)
+            bs = lshift(bs, bs2);
+        delta = diff(bb, bd);
+        dsign = delta->sign;
+        delta->sign = 0;
+        i = cmp(delta, bs);
+        if (i < 0) {
+            /* Error is less than half an ulp -- check for
+             * special case of mantissa a power of two.
+             */
+            if (dsign || getWord1(rv) || getWord0(rv) & Bndry_mask)
+                break;
+            delta = lshift(delta,Log2P);
+            if (cmp(delta, bs) > 0)
+                goto drop_down;
+            break;
+        }
+        if (i == 0) {
+            /* exactly half-way between */
+            if (dsign) {
+                if ((getWord0(rv) & Bndry_mask1) == Bndry_mask1
+                    &&  getWord1(rv) == 0xffffffff) {
+                    /*boundary case -- increment exponent*/
+                    setWord0(&rv, (getWord0(rv) & Exp_mask)
+                                + Exp_msk1
+#ifdef IBM
+                                | Exp_msk1 >> 4
+#endif
+                                );
+                    setWord1(&rv, 0);
+                    break;
+                }
+            }
+            else if (!(getWord0(rv) & Bndry_mask) && !getWord1(rv)) {
+            drop_down:
+                /* boundary case -- decrement exponent */
+#ifdef Sudden_Underflow
+                L = getWord0(rv) & Exp_mask;
+#ifdef IBM
+                if (L <  Exp_msk1)
+#else
+                    if (L <= Exp_msk1)
+#endif
+                        goto undfl;
+                L -= Exp_msk1;
+#else
+                L = (getWord0(rv) & Exp_mask) - Exp_msk1;
+#endif
+                setWord0(&rv, L | Bndry_mask1);
+                setWord1(&rv, 0xffffffff);
+#ifdef IBM
+                goto cont;
+#else
+                break;
+#endif
+            }
+#ifndef ROUND_BIASED
+            if (!(getWord1(rv) & LSB))
+                break;
+#endif
+            if (dsign)
+                rv += ulp(rv);
+#ifndef ROUND_BIASED
+            else {
+                rv -= ulp(rv);
+#ifndef Sudden_Underflow
+                if (rv == g_double_zero)
+                    goto undfl;
+#endif
+            }
+#endif
+            break;
+        }
+        if ((aadj = ratio(delta, bs)) <= 2.) {
+            if (dsign)
+                aadj = aadj1 = 1.;
+            else if (getWord1(rv) || getWord0(rv) & Bndry_mask) {
+#ifndef Sudden_Underflow
+                if (getWord1(rv) == Tiny1 && !getWord0(rv))
+                    goto undfl;
+#endif
+                aadj = 1.;
+                aadj1 = -1.;
+            }
+            else {
+                /* special case -- power of FLT_RADIX to be */
+                /* rounded down... */
+
+                if (aadj < 2./FLT_RADIX)
+                    aadj = 1./FLT_RADIX;
+                else
+                    aadj *= 0.5;
+                aadj1 = -aadj;
+            }
+        }
+        else {
+            aadj *= 0.5;
+            aadj1 = dsign ? aadj : -aadj;
+#ifdef Check_FLT_ROUNDS
+            switch(FLT_ROUNDS) {
+            case 2: /* towards +infinity */
+                aadj1 -= 0.5;
+                break;
+            case 0: /* towards 0 */
+            case 3: /* towards -infinity */
+                aadj1 += 0.5;
+            }
+#else
+            if (FLT_ROUNDS == 0)
+                aadj1 += 0.5;
+#endif
+        }
+        y = getWord0(rv) & Exp_mask;
+
+        /* Check for overflow */
+
+        if (y == Exp_msk1*(DBL_MAX_EXP+Bias-1)) {
+            rv0 = rv;
+            setWord0(&rv, getWord0(rv) - P*Exp_msk1);
+            adj = aadj1 * ulp(rv);
+            rv += adj;
+            if ((getWord0(rv) & Exp_mask) >=
+                Exp_msk1*(DBL_MAX_EXP+Bias-P)) {
+                if (getWord0(rv0) == Big0 && getWord1(rv0) == Big1)
+                    goto ovfl;
+                setWord0(&rv, Big0);
+                setWord1(&rv, Big1);
+                goto cont;
+            }
+            else
+                setWord0(&rv, getWord0(rv) + P*Exp_msk1);
+        }
+        else {
+#ifdef Sudden_Underflow
+            if ((getWord0(rv) & Exp_mask) <= P*Exp_msk1) {
+                rv0 = rv;
+                setWord0(&rv, getWord0(rv) + P*Exp_msk1);
+                adj = aadj1 * ulp(rv);
+                rv += adj;
+#ifdef IBM
+                if ((getWord0(rv) & Exp_mask) <  P*Exp_msk1)
+#else
+                    if ((getWord0(rv) & Exp_mask) <= P*Exp_msk1)
+#endif
+                        {
+                            if (getWord0(rv0) == Tiny0
+                                && getWord1(rv0) == Tiny1)
+                                goto undfl;
+                            setWord0(&rv, Tiny0);
+                            setWord1(&rv, Tiny1);
+                            goto cont;
+                        }
+                    else
+                        setWord0(&rv, getWord0(rv) - P*Exp_msk1);
+            }
+            else {
+                adj = aadj1 * ulp(rv);
+                rv += adj;
+            }
+#else
+            /* Compute adj so that the IEEE rounding rules will
+             * correctly round rv + adj in some half-way cases.
+             * If rv * ulp(rv) is denormalized (i.e.,
+             * y <= (P-1)*Exp_msk1), we must adjust aadj to avoid
+             * trouble from bits lost to denormalization;
+             * example: 1.2e-307 .
+             */
+            if (y <= (P-1)*Exp_msk1 && aadj >= 1.) {
+                aadj1 = int(aadj + 0.5);
+                if (!dsign)
+                    aadj1 = -aadj1;
+            }
+            adj = aadj1 * ulp(rv);
+            rv += adj;
+#endif
+        }
+        z = getWord0(rv) & Exp_mask;
+        if (y == z) {
+            /* Can we stop now? */
+            L = Long(aadj);
+            aadj -= L;
+            /* The tolerances below are conservative. */
+            if (dsign || getWord1(rv) || getWord0(rv) & Bndry_mask) {
+                if (aadj < .4999999 || aadj > .5000001)
+                    break;
+            }
+            else if (aadj < .4999999/FLT_RADIX)
+                break;
+        }
+    cont:
+        Bfree(bb);
+        Bfree(bd);
+        Bfree(bs);
+        Bfree(delta);
+    }
+ retfree:
+    Bfree(bb);
+    Bfree(bd);
+    Bfree(bs);
+    Bfree(bd0);
+    Bfree(delta);
+ ret:
+    if (se)
+        *se = s;
+    return sign ? -rv : rv;
+}
+
+static int quorem(Bigint *b, Bigint *S)
+{
+    int n;
+    Long borrow, y;
+    ULong carry, q, ys;
+    ULong *bx, *bxe, *sx, *sxe;
+#ifdef Pack_32
+    Long z;
+    ULong si, zs;
+#endif
+
+    n = S->wds;
+#ifdef BSD_QDTOA_DEBUG
+    /*debug*/ if (b->wds > n)
+        /*debug*/        Bug("oversize b in quorem");
+#endif
+    if (b->wds < n)
+        return 0;
+    sx = S->x;
+    sxe = sx + --n;
+    bx = b->x;
+    bxe = bx + n;
+    q = *bxe / (*sxe + 1);        /* ensure q <= true quotient */
+#ifdef BSD_QDTOA_DEBUG
+    /*debug*/ if (q > 9)
+        /*debug*/        Bug("oversized quotient in quorem");
+#endif
+    if (q) {
+        borrow = 0;
+        carry = 0;
+        do {
+#ifdef Pack_32
+            si = *sx++;
+            ys = (si & 0xffff) * q + carry;
+            zs = (si >> 16) * q + (ys >> 16);
+            carry = zs >> 16;
+            y = (*bx & 0xffff) - (ys & 0xffff) + borrow;
+            borrow = y >> 16;
+            Sign_Extend(borrow, y);
+            z = (*bx >> 16) - (zs & 0xffff) + borrow;
+            borrow = z >> 16;
+            Sign_Extend(borrow, z);
+            Storeinc(bx, z, y);
+#else
+            ys = *sx++ * q + carry;
+            carry = ys >> 16;
+            y = *bx - (ys & 0xffff) + borrow;
+            borrow = y >> 16;
+            Sign_Extend(borrow, y);
+            *bx++ = y & 0xffff;
+#endif
+        }
+        while(sx <= sxe);
+        if (!*bxe) {
+            bx = b->x;
+            while(--bxe > bx && !*bxe)
+                --n;
+            b->wds = n;
+        }
+    }
+    if (cmp(b, S) >= 0) {
+        q++;
+        borrow = 0;
+        carry = 0;
+        bx = b->x;
+        sx = S->x;
+        do {
+#ifdef Pack_32
+            si = *sx++;
+            ys = (si & 0xffff) + carry;
+            zs = (si >> 16) + (ys >> 16);
+            carry = zs >> 16;
+            y = (*bx & 0xffff) - (ys & 0xffff) + borrow;
+            borrow = y >> 16;
+            Sign_Extend(borrow, y);
+            z = (*bx >> 16) - (zs & 0xffff) + borrow;
+            borrow = z >> 16;
+            Sign_Extend(borrow, z);
+            Storeinc(bx, z, y);
+#else
+            ys = *sx++ + carry;
+            carry = ys >> 16;
+            y = *bx - (ys & 0xffff) + borrow;
+            borrow = y >> 16;
+            Sign_Extend(borrow, y);
+            *bx++ = y & 0xffff;
+#endif
+        }
+        while(sx <= sxe);
+        bx = b->x;
+        bxe = bx + n;
+        if (!*bxe) {
+            while(--bxe > bx && !*bxe)
+                --n;
+            b->wds = n;
+        }
+    }
+    return q;
+}
+
+/* dtoa for IEEE arithmetic (dmg): convert double to ASCII string.
+ *
+ * Inspired by "How to Print Floating-Point Numbers Accurately" by
+ * Guy L. Steele, Jr. and Jon L. White [Proc. ACM SIGPLAN '90, pp. 92-101].
+ *
+ * Modifications:
+ *        1. Rather than iterating, we use a simple numeric overestimate
+ *           to determine k = floor(log10(d)).  We scale relevant
+ *           quantities using O(log2(k)) rather than O(k) multiplications.
+ *        2. For some modes > 2 (corresponding to ecvt and fcvt), we don't
+ *           try to generate digits strictly left to right.  Instead, we
+ *           compute with fewer bits and propagate the carry if necessary
+ *           when rounding the final digit up.  This is often faster.
+ *        3. Under the assumption that input will be rounded nearest,
+ *           mode 0 renders 1e23 as 1e23 rather than 9.999999999999999e22.
+ *           That is, we allow equality in stopping tests when the
+ *           round-nearest rule will give the same floating-point value
+ *           as would satisfaction of the stopping test with strict
+ *           inequality.
+ *        4. We remove common factors of powers of 2 from relevant
+ *           quantities.
+ *        5. When converting floating-point integers less than 1e16,
+ *           we use floating-point arithmetic rather than resorting
+ *           to multiple-precision integers.
+ *        6. When asked to produce fewer than 15 digits, we first try
+ *           to get by with floating-point arithmetic; we resort to
+ *           multiple-precision integer arithmetic only if we cannot
+ *           guarantee that the floating-point calculation has given
+ *           the correctly rounded result.  For k requested digits and
+ *           "uniformly" distributed input, the probability is
+ *           something like 10^(k-15) that we must resort to the Long
+ *           calculation.
+ */
+
+
+/* This actually sometimes returns a pointer to a string literal
+   cast to a char*. Do NOT try to modify the return value. */
+
+Q_CORE_EXPORT char *qdtoa ( double d, int mode, int ndigits, int *decpt, int *sign, char **rve, char **resultp)
+{
+    // Some values of the floating-point control word can cause _qdtoa to crash with an underflow.
+    // We set a safe value here.
+#ifdef Q_OS_WIN
+    _clear87();
+    unsigned int oldbits = _control87(0, 0);
+#ifndef MCW_EM
+#    ifdef _MCW_EM
+#        define MCW_EM _MCW_EM
+#    else
+#        define MCW_EM 0x0008001F
+#    endif
+#endif
+    _control87(MCW_EM, MCW_EM);
+#endif
+
+#if defined(Q_OS_LINUX) && !defined(__UCLIBC__)
+    fenv_t envp;
+    feholdexcept(&envp);
+#endif
+
+    char *s = _qdtoa(d, mode, ndigits, decpt, sign, rve, resultp);
+
+#ifdef Q_OS_WIN
+    _clear87();
+#ifndef _M_X64
+    _control87(oldbits, 0xFFFFF);
+#else
+    _control87(oldbits, _MCW_EM|_MCW_DN|_MCW_RC);
+#endif //_M_X64
+#endif //Q_OS_WIN
+
+#if defined(Q_OS_LINUX) && !defined(__UCLIBC__)
+    fesetenv(&envp);
+#endif
+
+    return s;
+}
+
+static char *_qdtoa( NEEDS_VOLATILE double d, int mode, int ndigits, int *decpt, int *sign, char **rve, char **resultp)
+{
+    /*
+      Arguments ndigits, decpt, sign are similar to those
+      of ecvt and fcvt; trailing zeros are suppressed from
+      the returned string.  If not null, *rve is set to point
+      to the end of the return value.  If d is +-Infinity or NaN,
+      then *decpt is set to 9999.
+
+      mode:
+      0 ==> shortest string that yields d when read in
+      and rounded to nearest.
+      1 ==> like 0, but with Steele & White stopping rule;
+      e.g. with IEEE P754 arithmetic , mode 0 gives
+      1e23 whereas mode 1 gives 9.999999999999999e22.
+      2 ==> max(1,ndigits) significant digits.  This gives a
+      return value similar to that of ecvt, except
+      that trailing zeros are suppressed.
+      3 ==> through ndigits past the decimal point.  This
+      gives a return value similar to that from fcvt,
+      except that trailing zeros are suppressed, and
+      ndigits can be negative.
+      4-9 should give the same return values as 2-3, i.e.,
+      4 <= mode <= 9 ==> same return as mode
+      2 + (mode & 1).  These modes are mainly for
+      debugging; often they run slower but sometimes
+      faster than modes 2-3.
+      4,5,8,9 ==> left-to-right digit generation.
+      6-9 ==> don't try fast floating-point estimate
+      (if applicable).
+
+      Values of mode other than 0-9 are treated as mode 0.
+
+      Sufficient space is allocated to the return value
+      to hold the suppressed trailing zeros.
+    */
+
+    int bbits, b2, b5, be, dig, i, ieps, ilim0,
+        j, j1, k, k0, k_check, leftright, m2, m5, s2, s5,
+        try_quick;
+    int ilim = 0, ilim1 = 0, spec_case = 0;        /* pacify gcc */
+    Long L;
+#ifndef Sudden_Underflow
+    int denorm;
+    ULong x;
+#endif
+    Bigint *b, *b1, *delta, *mhi, *S;
+    Bigint *mlo = NULL; /* pacify gcc */
+    double d2;
+    double ds, eps;
+    char *s, *s0;
+
+    if (getWord0(d) & Sign_bit) {
+        /* set sign for everything, including 0's and NaNs */
+        *sign = 1;
+        setWord0(&d, getWord0(d) & ~Sign_bit);        /* clear sign bit */
+    }
+    else
+        *sign = 0;
+
+#if defined(IEEE_Arith) + defined(VAX)
+#ifdef IEEE_Arith
+    if ((getWord0(d) & Exp_mask) == Exp_mask)
+#else
+        if (getWord0(d)  == 0x8000)
+#endif
+            {
+                /* Infinity or NaN */
+                *decpt = 9999;
+                s =
+#ifdef IEEE_Arith
+                    !getWord1(d) && !(getWord0(d) & 0xfffff) ? const_cast<char*>("Infinity") :
+#endif
+                    const_cast<char*>("NaN");
+                if (rve)
+                    *rve =
+#ifdef IEEE_Arith
+                        s[3] ? s + 8 :
+#endif
+                        s + 3;
+                return s;
+            }
+#endif
+#ifdef IBM
+    d += 0; /* normalize */
+#endif
+    if (d == g_double_zero)
+        {
+            *decpt = 1;
+            s = const_cast<char*>("0");
+            if (rve)
+                *rve = s + 1;
+            return s;
+        }
+
+    b = d2b(d, &be, &bbits);
+#ifdef Sudden_Underflow
+    i = (int)(getWord0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1));
+#else
+    if ((i = int(getWord0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1))) != 0) {
+#endif
+        d2 = d;
+        setWord0(&d2, getWord0(d2) & Frac_mask1);
+        setWord0(&d2, getWord0(d2) | Exp_11);
+#ifdef IBM
+        if (j = 11 - hi0bits(getWord0(d2) & Frac_mask))
+            d2 /= 1 << j;
+#endif
+
+        /* log(x)        ~=~ log(1.5) + (x-1.5)/1.5
+         * log10(x)         =  log(x) / log(10)
+         *                ~=~ log(1.5)/log(10) + (x-1.5)/(1.5*log(10))
+         * log10(d) = (i-Bias)*log(2)/log(10) + log10(d2)
+         *
+         * This suggests computing an approximation k to log10(d) by
+         *
+         * k = (i - Bias)*0.301029995663981
+         *        + ( (d2-1.5)*0.289529654602168 + 0.176091259055681 );
+         *
+         * We want k to be too large rather than too small.
+         * The error in the first-order Taylor series approximation
+         * is in our favor, so we just round up the constant enough
+         * to compensate for any error in the multiplication of
+         * (i - Bias) by 0.301029995663981; since |i - Bias| <= 1077,
+         * and 1077 * 0.30103 * 2^-52 ~=~ 7.2e-14,
+         * adding 1e-13 to the constant term more than suffices.
+         * Hence we adjust the constant term to 0.1760912590558.
+         * (We could get a more accurate k by invoking log10,
+         *  but this is probably not worthwhile.)
+         */
+
+        i -= Bias;
+#ifdef IBM
+        i <<= 2;
+        i += j;
+#endif
+#ifndef Sudden_Underflow
+        denorm = 0;
+    }
+    else {
+        /* d is denormalized */
+
+        i = bbits + be + (Bias + (P-1) - 1);
+        x = i > 32  ? getWord0(d) << (64 - i) | getWord1(d) >> (i - 32)
+            : getWord1(d) << (32 - i);
+        d2 = x;
+        setWord0(&d2, getWord0(d2) - 31*Exp_msk1); /* adjust exponent */
+        i -= (Bias + (P-1) - 1) + 1;
+        denorm = 1;
+    }
+#endif
+    ds = (d2-1.5)*0.289529654602168 + 0.1760912590558 + i*0.301029995663981;
+    k = int(ds);
+    if (ds < 0. && ds != k)
+        k--;        /* want k = floor(ds) */
+    k_check = 1;
+    if (k >= 0 && k <= Ten_pmax) {
+        if (d < tens[k])
+            k--;
+        k_check = 0;
+    }
+    j = bbits - i - 1;
+    if (j >= 0) {
+        b2 = 0;
+        s2 = j;
+    }
+    else {
+        b2 = -j;
+        s2 = 0;
+    }
+    if (k >= 0) {
+        b5 = 0;
+        s5 = k;
+        s2 += k;
+    }
+    else {
+        b2 -= k;
+        b5 = -k;
+        s5 = 0;
+    }
+    if (mode < 0 || mode > 9)
+        mode = 0;
+    try_quick = 1;
+    if (mode > 5) {
+        mode -= 4;
+        try_quick = 0;
+    }
+    leftright = 1;
+    switch(mode) {
+    case 0:
+    case 1:
+        ilim = ilim1 = -1;
+        i = 18;
+        ndigits = 0;
+        break;
+    case 2:
+        leftright = 0;
+        /* no break */
+    case 4:
+        if (ndigits <= 0)
+            ndigits = 1;
+        ilim = ilim1 = i = ndigits;
+        break;
+    case 3:
+        leftright = 0;
+        /* no break */
+    case 5:
+        i = ndigits + k + 1;
+        ilim = i;
+        ilim1 = i - 1;
+        if (i <= 0)
+            i = 1;
+    }
+    *resultp = static_cast<char *>(malloc(i + 1));
+    s = s0 = *resultp;
+
+    if (ilim >= 0 && ilim <= Quick_max && try_quick) {
+
+        /* Try to get by with floating-point arithmetic. */
+
+        i = 0;
+        d2 = d;
+        k0 = k;
+        ilim0 = ilim;
+        ieps = 2; /* conservative */
+        if (k > 0) {
+            ds = tens[k&0xf];
+            j = k >> 4;
+            if (j & Bletch) {
+                /* prevent overflows */
+                j &= Bletch - 1;
+                d /= bigtens[n_bigtens-1];
+                ieps++;
+            }
+            for(; j; j >>= 1, i++)
+                if (j & 1) {
+                    ieps++;
+                    ds *= bigtens[i];
+                }
+            d /= ds;
+        }
+        else if ((j1 = -k) != 0) {
+            d *= tens[j1 & 0xf];
+            for(j = j1 >> 4; j; j >>= 1, i++)
+                if (j & 1) {
+                    ieps++;
+                    d *= bigtens[i];
+                }
+        }
+        if (k_check && d < 1. && ilim > 0) {
+            if (ilim1 <= 0)
+                goto fast_failed;
+            ilim = ilim1;
+            k--;
+            d *= 10.;
+            ieps++;
+        }
+        eps = ieps*d + 7.;
+        setWord0(&eps, getWord0(eps) - (P-1)*Exp_msk1);
+        if (ilim == 0) {
+            S = mhi = 0;
+            d -= 5.;
+            if (d > eps)
+                goto one_digit;
+            if (d < -eps)
+                goto no_digits;
+            goto fast_failed;
+        }
+#ifndef No_leftright
+        if (leftright) {
+            /* Use Steele & White method of only
+             * generating digits needed.
+             */
+            eps = 0.5/tens[ilim-1] - eps;
+            for(i = 0;;) {
+                L = Long(d);
+                d -= L;
+                *s++ = '0' + int(L);
+                if (d < eps)
+                    goto ret1;
+                if (1. - d < eps)
+                    goto bump_up;
+                if (++i >= ilim)
+                    break;
+                eps *= 10.;
+                d *= 10.;
+            }
+        }
+        else {
+#endif
+            /* Generate ilim digits, then fix them up. */
+#if defined(Q_OS_IRIX) && defined(Q_CC_GNU)
+            // work around a bug on 64 bit IRIX gcc
+            double *t = (double *) tens;
+            eps *= t[ilim-1];
+#else
+            eps *= tens[ilim-1];
+#endif
+            for(i = 1;; i++, d *= 10.) {
+                L = Long(d);
+                d -= L;
+                *s++ = '0' + int(L);
+                if (i == ilim) {
+                    if (d > 0.5 + eps)
+                        goto bump_up;
+                    else if (d < 0.5 - eps) {
+                        while(*--s == '0') {}
+                        s++;
+                        goto ret1;
+                    }
+                    break;
+                }
+            }
+#ifndef No_leftright
+        }
+#endif
+    fast_failed:
+        s = s0;
+        d = d2;
+        k = k0;
+        ilim = ilim0;
+    }
+
+    /* Do we have a "small" integer? */
+
+    if (be >= 0 && k <= Int_max) {
+        /* Yes. */
+        ds = tens[k];
+        if (ndigits < 0 && ilim <= 0) {
+            S = mhi = 0;
+            if (ilim < 0 || d <= 5*ds)
+                goto no_digits;
+            goto one_digit;
+        }
+        for(i = 1;; i++) {
+            L = Long(d / ds);
+            d -= L*ds;
+#ifdef Check_FLT_ROUNDS
+            /* If FLT_ROUNDS == 2, L will usually be high by 1 */
+            if (d < 0) {
+                L--;
+                d += ds;
+            }
+#endif
+            *s++ = '0' + int(L);
+            if (i == ilim) {
+                d += d;
+                if (d > ds || (d == ds && L & 1)) {
+                bump_up:
+                    while(*--s == '9')
+                        if (s == s0) {
+                            k++;
+                            *s = '0';
+                            break;
+                        }
+                    ++*s++;
+                }
+                break;
+            }
+            if ((d *= 10.) == g_double_zero)
+                break;
+        }
+        goto ret1;
+    }
+
+    m2 = b2;
+    m5 = b5;
+    mhi = mlo = 0;
+    if (leftright) {
+        if (mode < 2) {
+            i =
+#ifndef Sudden_Underflow
+                denorm ? be + (Bias + (P-1) - 1 + 1) :
+#endif
+#ifdef IBM
+                1 + 4*P - 3 - bbits + ((bbits + be - 1) & 3);
+#else
+            1 + P - bbits;
+#endif
+        }
+        else {
+            j = ilim - 1;
+            if (m5 >= j)
+                m5 -= j;
+            else {
+                s5 += j -= m5;
+                b5 += j;
+                m5 = 0;
+            }
+            if ((i = ilim) < 0) {
+                m2 -= i;
+                i = 0;
+            }
+        }
+        b2 += i;
+        s2 += i;
+        mhi = i2b(1);
+    }
+    if (m2 > 0 && s2 > 0) {
+        i = m2 < s2 ? m2 : s2;
+        b2 -= i;
+        m2 -= i;
+        s2 -= i;
+    }
+    if (b5 > 0) {
+        if (leftright) {
+            if (m5 > 0) {
+                mhi = pow5mult(mhi, m5);
+                b1 = mult(mhi, b);
+                Bfree(b);
+                b = b1;
+            }
+            if ((j = b5 - m5) != 0)
+                b = pow5mult(b, j);
+        }
+        else
+            b = pow5mult(b, b5);
+    }
+    S = i2b(1);
+    if (s5 > 0)
+        S = pow5mult(S, s5);
+
+    /* Check for special case that d is a normalized power of 2. */
+
+    if (mode < 2) {
+        if (!getWord1(d) && !(getWord0(d) & Bndry_mask)
+#ifndef Sudden_Underflow
+            && getWord0(d) & Exp_mask
+#endif
+            ) {
+            /* The special case */
+            b2 += Log2P;
+            s2 += Log2P;
+            spec_case = 1;
+        }
+        else
+            spec_case = 0;
+    }
+
+    /* Arrange for convenient computation of quotients:
+     * shift left if necessary so divisor has 4 leading 0 bits.
+     *
+     * Perhaps we should just compute leading 28 bits of S once
+     * and for all and pass them and a shift to quorem, so it
+     * can do shifts and ors to compute the numerator for q.
+     */
+#ifdef Pack_32
+    if ((i = ((s5 ? 32 - hi0bits(S->x[S->wds-1]) : 1) + s2) & 0x1f) != 0)
+        i = 32 - i;
+#else
+    if (i = ((s5 ? 32 - hi0bits(S->x[S->wds-1]) : 1) + s2) & 0xf)
+        i = 16 - i;
+#endif
+    if (i > 4) {
+        i -= 4;
+        b2 += i;
+        m2 += i;
+        s2 += i;
+    }
+    else if (i < 4) {
+        i += 28;
+        b2 += i;
+        m2 += i;
+        s2 += i;
+    }
+    if (b2 > 0)
+        b = lshift(b, b2);
+    if (s2 > 0)
+        S = lshift(S, s2);
+    if (k_check) {
+        if (cmp(b,S) < 0) {
+            k--;
+            b = multadd(b, 10, 0);        /* we botched the k estimate */
+            if (leftright)
+                mhi = multadd(mhi, 10, 0);
+            ilim = ilim1;
+        }
+    }
+    if (ilim <= 0 && mode > 2) {
+        if (ilim < 0 || cmp(b,S = multadd(S,5,0)) <= 0) {
+            /* no digits, fcvt style */
+        no_digits:
+            k = -1 - ndigits;
+            goto ret;
+        }
+    one_digit:
+        *s++ = '1';
+        k++;
+        goto ret;
+    }
+    if (leftright) {
+        if (m2 > 0)
+            mhi = lshift(mhi, m2);
+
+        /* Compute mlo -- check for special case
+         * that d is a normalized power of 2.
+         */
+
+        mlo = mhi;
+        if (spec_case) {
+            mhi = Balloc(mhi->k);
+            Bcopy(mhi, mlo);
+            mhi = lshift(mhi, Log2P);
+        }
+
+        for(i = 1;;i++) {
+            dig = quorem(b,S) + '0';
+            /* Do we yet have the shortest decimal string
+             * that will round to d?
+             */
+            j = cmp(b, mlo);
+            delta = diff(S, mhi);
+            j1 = delta->sign ? 1 : cmp(b, delta);
+            Bfree(delta);
+#ifndef ROUND_BIASED
+            if (j1 == 0 && !mode && !(getWord1(d) & 1)) {
+                if (dig == '9')
+                    goto round_9_up;
+                if (j > 0)
+                    dig++;
+                *s++ = dig;
+                goto ret;
+            }
+#endif
+            if (j < 0 || (j == 0 && !mode
+#ifndef ROUND_BIASED
+                          && !(getWord1(d) & 1)
+#endif
+                          )) {
+                if (j1 > 0) {
+                    b = lshift(b, 1);
+                    j1 = cmp(b, S);
+                    if ((j1 > 0 || (j1 == 0 && dig & 1))
+                        && dig++ == '9')
+                        goto round_9_up;
+                }
+                *s++ = dig;
+                goto ret;
+            }
+            if (j1 > 0) {
+                if (dig == '9') { /* possible if i == 1 */
+                round_9_up:
+                    *s++ = '9';
+                    goto roundoff;
+                }
+                *s++ = dig + 1;
+                goto ret;
+            }
+            *s++ = dig;
+            if (i == ilim)
+                break;
+            b = multadd(b, 10, 0);
+            if (mlo == mhi)
+                mlo = mhi = multadd(mhi, 10, 0);
+            else {
+                mlo = multadd(mlo, 10, 0);
+                mhi = multadd(mhi, 10, 0);
+            }
+        }
+    }
+    else
+        for(i = 1;; i++) {
+            *s++ = dig = quorem(b,S) + '0';
+            if (i >= ilim)
+                break;
+            b = multadd(b, 10, 0);
+        }
+
+    /* Round off last digit */
+
+    b = lshift(b, 1);
+    j = cmp(b, S);
+    if (j > 0 || (j == 0 && dig & 1)) {
+    roundoff:
+        while(*--s == '9')
+            if (s == s0) {
+                k++;
+                *s++ = '1';
+                goto ret;
+            }
+        ++*s++;
+    }
+    else {
+        while(*--s == '0') {}
+        s++;
+    }
+ ret:
+    Bfree(S);
+    if (mhi) {
+        if (mlo && mlo != mhi)
+            Bfree(mlo);
+        Bfree(mhi);
+    }
+ ret1:
+    Bfree(b);
+    if (s == s0) {                                /* don't return empty string */
+        *s++ = '0';
+        k = 0;
+    }
+    *s = 0;
+    *decpt = k + 1;
+    if (rve)
+        *rve = s;
+    return s0;
+}
+#else
+// NOT thread safe!
+
+#include <errno.h>
+
+Q_CORE_EXPORT char *qdtoa( double d, int mode, int ndigits, int *decpt, int *sign, char **rve, char **resultp)
+{
+    if(rve)
+      *rve = 0;
+
+    char *res;
+    if (mode == 0)
+        ndigits = 80;
+
+    if (mode == 3)
+        res = fcvt(d, ndigits, decpt, sign);
+    else
+        res = ecvt(d, ndigits, decpt, sign);
+
+    int n = qstrlen(res);
+    if (mode == 0) { // remove trailing 0's
+        const int stop = qMax(1, *decpt);
+        int i;
+        for (i = n-1; i >= stop; --i) {
+            if (res[i] != '0')
+                break;
+        }
+        n = i + 1;
+    }
+    *resultp = static_cast<char*>(malloc(n + 1));
+    qstrncpy(*resultp, res, n + 1);
+    return *resultp;
+}
+
+Q_CORE_EXPORT double qstrtod(const char *s00, const char **se, bool *ok)
+{
+    double ret = strtod((char*)s00, (char**)se);
+    if (ok) {
+      if((ret == 0.0l && errno == ERANGE)
+	 || ret == HUGE_VAL || ret == -HUGE_VAL)
+	*ok = false;
+      else
+        *ok = true; // the result will be that we don't report underflow in this case
+    }
+    return ret;
+}
+#endif // QT_QLOCALE_USES_FCVT
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qlocale.h b/src/corelib/tools/qlocale.h
new file mode 100644
index 0000000000..5b611eb831
--- /dev/null
+++ b/src/corelib/tools/qlocale.h
@@ -0,0 +1,678 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLOCALE_H
+#define QLOCALE_H
+
+#include <QtCore/qstring.h>
+#include <QtCore/qobjectdefs.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QDataStream;
+class QDate;
+class QDateTime;
+class QTime;
+class QVariant;
+class QTextStream;
+class QTextStreamPrivate;
+
+class QLocale;
+
+#ifndef QT_NO_SYSTEMLOCALE
+class Q_CORE_EXPORT QSystemLocale
+{
+public:
+    QSystemLocale();
+    virtual ~QSystemLocale();
+
+    enum QueryType {
+        LanguageId, // uint
+        CountryId, // uint
+        DecimalPoint, // QString
+        GroupSeparator, // QString
+        ZeroDigit, // QString
+        NegativeSign, // QString
+        DateFormatLong, // QString
+        DateFormatShort, // QString
+        TimeFormatLong, // QString
+        TimeFormatShort, // QString
+        DayNameLong, // QString, in: int
+        DayNameShort, // QString, in: int
+        MonthNameLong, // QString, in: int
+        MonthNameShort, // QString, in: int
+        DateToStringLong, // QString, in: QDate
+        DateToStringShort, // QString in: QDate
+        TimeToStringLong, // QString in: QTime
+        TimeToStringShort, // QString in: QTime
+        DateTimeFormatLong, // QString
+        DateTimeFormatShort, // QString
+        DateTimeToStringLong, // QString in: QDateTime
+        DateTimeToStringShort, // QString in: QDateTime
+        MeasurementSystem, // uint
+        PositiveSign, // QString
+        AMText, // QString
+        PMText // QString
+    };
+    virtual QVariant query(QueryType type, QVariant in) const;
+    virtual QLocale fallbackLocale() const;
+
+#ifdef QLOCALE_CPP
+private:
+    QSystemLocale(bool);
+    friend QSystemLocale *QSystemLocale_globalSystemLocale();
+#endif
+};
+#endif
+
+struct QLocalePrivate;
+class Q_CORE_EXPORT QLocale
+{
+    Q_GADGET
+    Q_ENUMS(Language)
+    Q_ENUMS(Country)
+    friend class QString;
+    friend class QByteArray;
+    friend class QIntValidator;
+    friend class QDoubleValidator;
+    friend class QTextStream;
+    friend class QTextStreamPrivate;
+
+public:
+    enum Language {
+        C = 1,
+        Abkhazian = 2,
+        Afan = 3,
+        Afar = 4,
+        Afrikaans = 5,
+        Albanian = 6,
+        Amharic = 7,
+        Arabic = 8,
+        Armenian = 9,
+        Assamese = 10,
+        Aymara = 11,
+        Azerbaijani = 12,
+        Bashkir = 13,
+        Basque = 14,
+        Bengali = 15,
+        Bhutani = 16,
+        Bihari = 17,
+        Bislama = 18,
+        Breton = 19,
+        Bulgarian = 20,
+        Burmese = 21,
+        Byelorussian = 22,
+        Cambodian = 23,
+        Catalan = 24,
+        Chinese = 25,
+        Corsican = 26,
+        Croatian = 27,
+        Czech = 28,
+        Danish = 29,
+        Dutch = 30,
+        English = 31,
+        Esperanto = 32,
+        Estonian = 33,
+        Faroese = 34,
+        FijiLanguage = 35,
+        Finnish = 36,
+        French = 37,
+        Frisian = 38,
+        Gaelic = 39,
+        Galician = 40,
+        Georgian = 41,
+        German = 42,
+        Greek = 43,
+        Greenlandic = 44,
+        Guarani = 45,
+        Gujarati = 46,
+        Hausa = 47,
+        Hebrew = 48,
+        Hindi = 49,
+        Hungarian = 50,
+        Icelandic = 51,
+        Indonesian = 52,
+        Interlingua = 53,
+        Interlingue = 54,
+        Inuktitut = 55,
+        Inupiak = 56,
+        Irish = 57,
+        Italian = 58,
+        Japanese = 59,
+        Javanese = 60,
+        Kannada = 61,
+        Kashmiri = 62,
+        Kazakh = 63,
+        Kinyarwanda = 64,
+        Kirghiz = 65,
+        Korean = 66,
+        Kurdish = 67,
+        Kurundi = 68,
+        Laothian = 69,
+        Latin = 70,
+        Latvian = 71,
+        Lingala = 72,
+        Lithuanian = 73,
+        Macedonian = 74,
+        Malagasy = 75,
+        Malay = 76,
+        Malayalam = 77,
+        Maltese = 78,
+        Maori = 79,
+        Marathi = 80,
+        Moldavian = 81,
+        Mongolian = 82,
+        NauruLanguage = 83,
+        Nepali = 84,
+        Norwegian = 85,
+        NorwegianBokmal = Norwegian,
+        Occitan = 86,
+        Oriya = 87,
+        Pashto = 88,
+        Persian = 89,
+        Polish = 90,
+        Portuguese = 91,
+        Punjabi = 92,
+        Quechua = 93,
+        RhaetoRomance = 94,
+        Romanian = 95,
+        Russian = 96,
+        Samoan = 97,
+        Sangho = 98,
+        Sanskrit = 99,
+        Serbian = 100,
+        SerboCroatian = 101,
+        Sesotho = 102,
+        Setswana = 103,
+        Shona = 104,
+        Sindhi = 105,
+        Singhalese = 106,
+        Siswati = 107,
+        Slovak = 108,
+        Slovenian = 109,
+        Somali = 110,
+        Spanish = 111,
+        Sundanese = 112,
+        Swahili = 113,
+        Swedish = 114,
+        Tagalog = 115,
+        Tajik = 116,
+        Tamil = 117,
+        Tatar = 118,
+        Telugu = 119,
+        Thai = 120,
+        Tibetan = 121,
+        Tigrinya = 122,
+        TongaLanguage = 123,
+        Tsonga = 124,
+        Turkish = 125,
+        Turkmen = 126,
+        Twi = 127,
+        Uigur = 128,
+        Ukrainian = 129,
+        Urdu = 130,
+        Uzbek = 131,
+        Vietnamese = 132,
+        Volapuk = 133,
+        Welsh = 134,
+        Wolof = 135,
+        Xhosa = 136,
+        Yiddish = 137,
+        Yoruba = 138,
+        Zhuang = 139,
+        Zulu = 140,
+        NorwegianNynorsk = 141,
+        Nynorsk = NorwegianNynorsk, // ### obsolete
+        Bosnian = 142,
+        Divehi = 143,
+        Manx = 144,
+        Cornish = 145,
+        Akan = 146,
+        Konkani = 147,
+        Ga = 148,
+        Igbo = 149,
+        Kamba = 150,
+        Syriac = 151,
+        Blin = 152,
+        Geez = 153,
+        Koro = 154,
+        Sidamo = 155,
+        Atsam = 156,
+        Tigre = 157,
+        Jju = 158,
+        Friulian = 159,
+        Venda = 160,
+        Ewe = 161,
+        Walamo = 162,
+        Hawaiian = 163,
+        Tyap = 164,
+        Chewa = 165,
+        LastLanguage = Chewa
+    };
+
+    enum Country {
+        AnyCountry = 0,
+        Afghanistan = 1,
+        Albania = 2,
+        Algeria = 3,
+        AmericanSamoa = 4,
+        Andorra = 5,
+        Angola = 6,
+        Anguilla = 7,
+        Antarctica = 8,
+        AntiguaAndBarbuda = 9,
+        Argentina = 10,
+        Armenia = 11,
+        Aruba = 12,
+        Australia = 13,
+        Austria = 14,
+        Azerbaijan = 15,
+        Bahamas = 16,
+        Bahrain = 17,
+        Bangladesh = 18,
+        Barbados = 19,
+        Belarus = 20,
+        Belgium = 21,
+        Belize = 22,
+        Benin = 23,
+        Bermuda = 24,
+        Bhutan = 25,
+        Bolivia = 26,
+        BosniaAndHerzegowina = 27,
+        Botswana = 28,
+        BouvetIsland = 29,
+        Brazil = 30,
+        BritishIndianOceanTerritory = 31,
+        BruneiDarussalam = 32,
+        Bulgaria = 33,
+        BurkinaFaso = 34,
+        Burundi = 35,
+        Cambodia = 36,
+        Cameroon = 37,
+        Canada = 38,
+        CapeVerde = 39,
+        CaymanIslands = 40,
+        CentralAfricanRepublic = 41,
+        Chad = 42,
+        Chile = 43,
+        China = 44,
+        ChristmasIsland = 45,
+        CocosIslands = 46,
+        Colombia = 47,
+        Comoros = 48,
+        DemocraticRepublicOfCongo = 49,
+        PeoplesRepublicOfCongo = 50,
+        CookIslands = 51,
+        CostaRica = 52,
+        IvoryCoast = 53,
+        Croatia = 54,
+        Cuba = 55,
+        Cyprus = 56,
+        CzechRepublic = 57,
+        Denmark = 58,
+        Djibouti = 59,
+        Dominica = 60,
+        DominicanRepublic = 61,
+        EastTimor = 62,
+        Ecuador = 63,
+        Egypt = 64,
+        ElSalvador = 65,
+        EquatorialGuinea = 66,
+        Eritrea = 67,
+        Estonia = 68,
+        Ethiopia = 69,
+        FalklandIslands = 70,
+        FaroeIslands = 71,
+        FijiCountry = 72,
+        Finland = 73,
+        France = 74,
+        MetropolitanFrance = 75,
+        FrenchGuiana = 76,
+        FrenchPolynesia = 77,
+        FrenchSouthernTerritories = 78,
+        Gabon = 79,
+        Gambia = 80,
+        Georgia = 81,
+        Germany = 82,
+        Ghana = 83,
+        Gibraltar = 84,
+        Greece = 85,
+        Greenland = 86,
+        Grenada = 87,
+        Guadeloupe = 88,
+        Guam = 89,
+        Guatemala = 90,
+        Guinea = 91,
+        GuineaBissau = 92,
+        Guyana = 93,
+        Haiti = 94,
+        HeardAndMcDonaldIslands = 95,
+        Honduras = 96,
+        HongKong = 97,
+        Hungary = 98,
+        Iceland = 99,
+        India = 100,
+        Indonesia = 101,
+        Iran = 102,
+        Iraq = 103,
+        Ireland = 104,
+        Israel = 105,
+        Italy = 106,
+        Jamaica = 107,
+        Japan = 108,
+        Jordan = 109,
+        Kazakhstan = 110,
+        Kenya = 111,
+        Kiribati = 112,
+        DemocraticRepublicOfKorea = 113,
+        RepublicOfKorea = 114,
+        Kuwait = 115,
+        Kyrgyzstan = 116,
+        Lao = 117,
+        Latvia = 118,
+        Lebanon = 119,
+        Lesotho = 120,
+        Liberia = 121,
+        LibyanArabJamahiriya = 122,
+        Liechtenstein = 123,
+        Lithuania = 124,
+        Luxembourg = 125,
+        Macau = 126,
+        Macedonia = 127,
+        Madagascar = 128,
+        Malawi = 129,
+        Malaysia = 130,
+        Maldives = 131,
+        Mali = 132,
+        Malta = 133,
+        MarshallIslands = 134,
+        Martinique = 135,
+        Mauritania = 136,
+        Mauritius = 137,
+        Mayotte = 138,
+        Mexico = 139,
+        Micronesia = 140,
+        Moldova = 141,
+        Monaco = 142,
+        Mongolia = 143,
+        Montserrat = 144,
+        Morocco = 145,
+        Mozambique = 146,
+        Myanmar = 147,
+        Namibia = 148,
+        NauruCountry = 149,
+        Nepal = 150,
+        Netherlands = 151,
+        NetherlandsAntilles = 152,
+        NewCaledonia = 153,
+        NewZealand = 154,
+        Nicaragua = 155,
+        Niger = 156,
+        Nigeria = 157,
+        Niue = 158,
+        NorfolkIsland = 159,
+        NorthernMarianaIslands = 160,
+        Norway = 161,
+        Oman = 162,
+        Pakistan = 163,
+        Palau = 164,
+        PalestinianTerritory = 165,
+        Panama = 166,
+        PapuaNewGuinea = 167,
+        Paraguay = 168,
+        Peru = 169,
+        Philippines = 170,
+        Pitcairn = 171,
+        Poland = 172,
+        Portugal = 173,
+        PuertoRico = 174,
+        Qatar = 175,
+        Reunion = 176,
+        Romania = 177,
+        RussianFederation = 178,
+        Rwanda = 179,
+        SaintKittsAndNevis = 180,
+        StLucia = 181,
+        StVincentAndTheGrenadines = 182,
+        Samoa = 183,
+        SanMarino = 184,
+        SaoTomeAndPrincipe = 185,
+        SaudiArabia = 186,
+        Senegal = 187,
+        Seychelles = 188,
+        SierraLeone = 189,
+        Singapore = 190,
+        Slovakia = 191,
+        Slovenia = 192,
+        SolomonIslands = 193,
+        Somalia = 194,
+        SouthAfrica = 195,
+        SouthGeorgiaAndTheSouthSandwichIslands = 196,
+        Spain = 197,
+        SriLanka = 198,
+        StHelena = 199,
+        StPierreAndMiquelon = 200,
+        Sudan = 201,
+        Suriname = 202,
+        SvalbardAndJanMayenIslands = 203,
+        Swaziland = 204,
+        Sweden = 205,
+        Switzerland = 206,
+        SyrianArabRepublic = 207,
+        Taiwan = 208,
+        Tajikistan = 209,
+        Tanzania = 210,
+        Thailand = 211,
+        Togo = 212,
+        Tokelau = 213,
+        TongaCountry = 214,
+        TrinidadAndTobago = 215,
+        Tunisia = 216,
+        Turkey = 217,
+        Turkmenistan = 218,
+        TurksAndCaicosIslands = 219,
+        Tuvalu = 220,
+        Uganda = 221,
+        Ukraine = 222,
+        UnitedArabEmirates = 223,
+        UnitedKingdom = 224,
+        UnitedStates = 225,
+        UnitedStatesMinorOutlyingIslands = 226,
+        Uruguay = 227,
+        Uzbekistan = 228,
+        Vanuatu = 229,
+        VaticanCityState = 230,
+        Venezuela = 231,
+        VietNam = 232,
+        BritishVirginIslands = 233,
+        USVirginIslands = 234,
+        WallisAndFutunaIslands = 235,
+        WesternSahara = 236,
+        Yemen = 237,
+        Yugoslavia = 238,
+        Zambia = 239,
+        Zimbabwe = 240,
+        SerbiaAndMontenegro = 241,
+        LastCountry = SerbiaAndMontenegro
+    };
+
+    enum MeasurementSystem { MetricSystem, ImperialSystem };
+
+    enum FormatType { LongFormat, ShortFormat, NarrowFormat };
+    enum NumberOption {
+        OmitGroupSeparator = 0x01,
+        RejectGroupSeparator = 0x02
+    };
+    Q_DECLARE_FLAGS(NumberOptions, NumberOption)
+
+    QLocale();
+    QLocale(const QString &name);
+    QLocale(Language language, Country country = AnyCountry);
+    QLocale(const QLocale &other);
+
+    QLocale &operator=(const QLocale &other);
+
+    Language language() const;
+    Country country() const;
+    QString name() const;
+
+    short toShort(const QString &s, bool *ok = 0, int base = 0) const;
+    ushort toUShort(const QString &s, bool *ok = 0, int base = 0) const;
+    int toInt(const QString &s, bool *ok = 0, int base = 0) const;
+    uint toUInt(const QString &s, bool *ok = 0, int base = 0) const;
+    qlonglong toLongLong(const QString &s, bool *ok = 0, int base = 0) const;
+    qlonglong toULongLong(const QString &s, bool *ok = 0, int base = 0) const;
+    float toFloat(const QString &s, bool *ok = 0) const;
+    double toDouble(const QString &s, bool *ok = 0) const;
+
+    QString toString(qlonglong i) const;
+    QString toString(qulonglong i) const;
+    inline QString toString(short i) const;
+    inline QString toString(ushort i) const;
+    inline QString toString(int i) const;
+    inline QString toString(uint i) const;
+    QString toString(double i, char f = 'g', int prec = 6) const;
+    inline QString toString(float i, char f = 'g', int prec = 6) const;
+    QString toString(const QDate &date, const QString &formatStr) const;
+    QString toString(const QDate &date, FormatType format = LongFormat) const;
+    QString toString(const QTime &time, const QString &formatStr) const;
+    QString toString(const QTime &time, FormatType format = LongFormat) const;
+    QString toString(const QDateTime &dateTime, FormatType format = LongFormat) const;
+    QString toString(const QDateTime &dateTime, const QString &format) const;
+
+    QString dateFormat(FormatType format = LongFormat) const;
+    QString timeFormat(FormatType format = LongFormat) const;
+    QString dateTimeFormat(FormatType format = LongFormat) const;
+#ifndef QT_NO_DATESTRING
+    QDate toDate(const QString &string, FormatType = LongFormat) const;
+    QTime toTime(const QString &string, FormatType = LongFormat) const;
+    QDateTime toDateTime(const QString &string, FormatType format = LongFormat) const;
+    QDate toDate(const QString &string, const QString &format) const;
+    QTime toTime(const QString &string, const QString &format) const;
+    QDateTime toDateTime(const QString &string, const QString &format) const;
+#endif
+
+    // ### Qt 5: We need to return QString from these function since
+    //           unicode data contains several characters for these fields.
+    QChar decimalPoint() const;
+    QChar groupSeparator() const;
+    QChar percent() const;
+    QChar zeroDigit() const;
+    QChar negativeSign() const;
+    QChar positiveSign() const;
+    QChar exponential() const;
+
+    QString monthName(int, FormatType format = LongFormat) const;
+    QString standaloneMonthName(int, FormatType format = LongFormat) const;
+    QString dayName(int, FormatType format = LongFormat) const;
+    QString standaloneDayName(int, FormatType format = LongFormat) const;
+
+    QString amText() const;
+    QString pmText() const;
+
+    MeasurementSystem measurementSystem() const;
+
+    inline bool operator==(const QLocale &other) const;
+    inline bool operator!=(const QLocale &other) const;
+
+    static QString languageToString(Language language);
+    static QString countryToString(Country country);
+    static void setDefault(const QLocale &locale);
+
+    static QLocale c() { return QLocale(C); }
+    static QLocale system();
+
+    static QList<Country> countriesForLanguage(Language lang);
+
+    void setNumberOptions(NumberOptions options);
+    NumberOptions numberOptions() const;
+
+//private:                        // this should be private, but can't be
+    struct Data {
+        quint16 index;
+        quint16 numberOptions;
+    }
+#if (defined(__arm__) || defined(__ARMEL__))
+        Q_PACKED
+#endif
+        ;
+private:
+    friend struct QLocalePrivate;
+    // ### We now use this field to pack an index into locale_data and NumberOptions.
+    // ### Qt 5: change to a QLocaleData *d; uint numberOptions.
+    union {
+        void *v;
+        Data p;
+    };
+    const QLocalePrivate *d() const;
+};
+Q_DECLARE_TYPEINFO(QLocale, Q_MOVABLE_TYPE);
+Q_DECLARE_OPERATORS_FOR_FLAGS(QLocale::NumberOptions)
+
+inline QString QLocale::toString(short i) const
+    { return toString(qlonglong(i)); }
+inline QString QLocale::toString(ushort i) const
+    { return toString(qulonglong(i)); }
+inline QString QLocale::toString(int i) const
+    { return toString(qlonglong(i)); }
+inline QString QLocale::toString(uint i) const
+    { return toString(qulonglong(i)); }
+inline QString QLocale::toString(float i, char f, int prec) const
+    { return toString(double(i), f, prec); }
+inline bool QLocale::operator==(const QLocale &other) const
+    { return d() == other.d() && numberOptions() == other.numberOptions(); }
+inline bool QLocale::operator!=(const QLocale &other) const
+    { return d() != other.d() || numberOptions() != other.numberOptions(); }
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QLocale &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QLocale &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QLOCALE_H
diff --git a/src/corelib/tools/qlocale_data_p.h b/src/corelib/tools/qlocale_data_p.h
new file mode 100644
index 0000000000..37f59a421a
--- /dev/null
+++ b/src/corelib/tools/qlocale_data_p.h
@@ -0,0 +1,3391 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLOCALE_DATA_P_H
+#define QLOCALE_DATA_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp.  This header
+// file may change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+/* This part of the file isn't generated, but written by hand since
+ * Unicode CLDR doesn't contain measurement system information.
+ */
+struct CountryLanguage
+{
+    quint32 languageId;
+    quint32 countryId;
+};
+static const CountryLanguage ImperialMeasurementSystems[] = {
+    { 31, 225 },
+    { 31, 226 },
+    { 111, 225 },
+    { 163, 225 }
+};
+static const int ImperialMeasurementSystemsCount =
+    sizeof(ImperialMeasurementSystems)/sizeof(ImperialMeasurementSystems[0]);
+
+/*
+    This part of the file was generated on 2008-08-07 from the
+    Common Locale Data Repository v1.6.1
+
+    http://www.unicode.org/cldr/
+
+    Do not change it, instead edit $QTDIR/util/locale_database/locale.xml and run
+    qlocalexml2cpp.py.
+*/
+
+
+static const uint locale_index[] = {
+     0, // unused
+     0, // C
+     0, // Abkhazian
+     1, // Afan
+     3, // Afar
+     6, // Afrikaans
+     8, // Albanian
+     9, // Amharic
+    10, // Arabic
+    27, // Armenian
+    28, // Assamese
+     0, // Aymara
+    29, // Azerbaijani
+     0, // Bashkir
+    30, // Basque
+    31, // Bengali
+    33, // Bhutani
+     0, // Bihari
+     0, // Bislama
+     0, // Breton
+    34, // Bulgarian
+    35, // Burmese
+    36, // Byelorussian
+    37, // Cambodian
+    38, // Catalan
+    39, // Chinese
+     0, // Corsican
+    44, // Croatian
+    45, // Czech
+    46, // Danish
+    47, // Dutch
+    49, // English
+     0, // Esperanto
+    75, // Estonian
+    76, // Faroese
+     0, // Fiji
+    77, // Finnish
+    78, // French
+     0, // Frisian
+     0, // Gaelic
+    85, // Galician
+    86, // Georgian
+    87, // German
+    93, // Greek
+    95, // Greenlandic
+     0, // Guarani
+    96, // Gujarati
+    97, // Hausa
+   101, // Hebrew
+   102, // Hindi
+   103, // Hungarian
+   104, // Icelandic
+   105, // Indonesian
+     0, // Interlingua
+     0, // Interlingue
+     0, // Inuktitut
+     0, // Inupiak
+   106, // Irish
+   107, // Italian
+   109, // Japanese
+     0, // Javanese
+   110, // Kannada
+     0, // Kashmiri
+   111, // Kazakh
+   112, // Kinyarwanda
+   113, // Kirghiz
+   114, // Korean
+   115, // Kurdish
+     0, // Kurundi
+   116, // Laothian
+     0, // Latin
+   117, // Latvian
+   118, // Lingala
+   120, // Lithuanian
+   121, // Macedonian
+     0, // Malagasy
+   122, // Malay
+   124, // Malayalam
+   125, // Maltese
+     0, // Maori
+   126, // Marathi
+     0, // Moldavian
+   127, // Mongolian
+     0, // Nauru
+   129, // Nepali
+   131, // Norwegian
+     0, // Occitan
+   132, // Oriya
+   133, // Pashto
+   134, // Persian
+   136, // Polish
+   137, // Portuguese
+   139, // Punjabi
+     0, // Quechua
+     0, // RhaetoRomance
+   141, // Romanian
+   143, // Russian
+     0, // Samoan
+     0, // Sangho
+   145, // Sanskrit
+   146, // Serbian
+   149, // SerboCroatian
+   152, // Sesotho
+   154, // Setswana
+     0, // Shona
+     0, // Sindhi
+   155, // Singhalese
+   156, // Siswati
+   158, // Slovak
+   159, // Slovenian
+   160, // Somali
+   164, // Spanish
+     0, // Sundanese
+   184, // Swahili
+   186, // Swedish
+     0, // Tagalog
+   188, // Tajik
+   189, // Tamil
+   190, // Tatar
+   191, // Telugu
+   192, // Thai
+     0, // Tibetan
+   193, // Tigrinya
+   195, // Tonga
+   196, // Tsonga
+   197, // Turkish
+     0, // Turkmen
+     0, // Twi
+   198, // Uigur
+   199, // Ukrainian
+   200, // Urdu
+   202, // Uzbek
+   204, // Vietnamese
+     0, // Volapuk
+   205, // Welsh
+   206, // Wolof
+   207, // Xhosa
+     0, // Yiddish
+   208, // Yoruba
+     0, // Zhuang
+   209, // Zulu
+   210, // Nynorsk
+   211, // Bosnian
+   212, // Divehi
+   213, // Manx
+   214, // Cornish
+   215, // Akan
+   216, // Konkani
+   217, // Ga
+   218, // Igbo
+   219, // Kamba
+   220, // Syriac
+   221, // Blin
+   222, // Geez
+   224, // Koro
+   225, // Sidamo
+   226, // Atsam
+   227, // Tigre
+   228, // Jju
+   229, // Friulian
+   230, // Venda
+   231, // Ewe
+     0, // Walamo
+   233, // Hawaiian
+   234, // Tyap
+   235, // Chewa
+     0 // trailing 0
+};
+
+static const QLocalePrivate locale_data[] = {
+//      lang   terr    dec  group   list  prcnt   zero  minus  plus    exp sDtFmt lDtFmt sTmFmt lTmFmt ssMonth slMonth  sMonth lMonth  sDays  lDays  am,len      pm,len
+    {      1,     0,    46,    44,    59,    37,    48,    45,    43,   101, 0,10 , 10,17 , 0,8 , 8,10 , 0,48 , 48,86 , 134,24 , 0,48 , 48,86 , 134,27 , 0,28 , 28,57 , 85,14 , 0,28 , 28,57 , 99,14 , 0,2 , 0,2  }, // C/AnyCountry
+    {      3,    69,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 161,48 , 209,111 , 320,12 , 113,7 , 113,7 , 85,14 , 120,28 , 148,55 , 113,7 , 2,0 , 2,0  }, // Afan/Ethiopia
+    {      3,   111,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 161,48 , 209,111 , 320,12 , 113,7 , 113,7 , 85,14 , 120,28 , 148,55 , 113,7 , 2,0 , 2,0  }, // Afan/Kenya
+    {      4,    59,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 53,19 , 18,7 , 25,11 , 158,12 , 158,12 , 170,24 , 332,48 , 380,129 , 320,12 , 113,7 , 113,7 , 203,14 , 217,28 , 245,52 , 113,7 , 2,0 , 2,0  }, // Afar/Djibouti
+    {      4,    67,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 53,19 , 18,7 , 25,11 , 158,12 , 158,12 , 170,24 , 332,48 , 509,118 , 320,12 , 113,7 , 113,7 , 203,14 , 217,28 , 245,52 , 113,7 , 2,0 , 2,0  }, // Afar/Eritrea
+    {      4,    69,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 53,19 , 18,7 , 25,11 , 158,12 , 158,12 , 170,24 , 332,48 , 509,118 , 320,12 , 113,7 , 113,7 , 203,14 , 217,28 , 245,52 , 113,7 , 2,0 , 2,0  }, // Afar/Ethiopia
+    {      5,   195,    44,   160,    59,    37,    48,    45,    43,   101, 72,10 , 82,17 , 18,7 , 25,11 , 158,12 , 158,12 , 194,27 , 627,48 , 675,92 , 320,12 , 113,7 , 113,7 , 297,14 , 311,21 , 332,58 , 113,7 , 2,3 , 2,3  }, // Afrikaans/SouthAfrica
+    {      5,   148,    44,   160,    59,    37,    48,    45,    43,   101, 99,10 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 627,48 , 675,92 , 320,12 , 113,7 , 113,7 , 297,14 , 311,21 , 332,58 , 113,7 , 2,3 , 2,3  }, // Afrikaans/Namibia
+    {      6,     2,    44,    46,    59,    37,    48,    45,    43,   101, 125,8 , 133,18 , 50,7 , 57,11 , 158,12 , 158,12 , 221,24 , 767,48 , 815,78 , 320,12 , 113,7 , 113,7 , 390,14 , 404,28 , 432,58 , 113,7 , 5,2 , 5,2  }, // Albanian/Albania
+    {      7,    69,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 151,23 , 18,7 , 68,12 , 158,12 , 158,12 , 245,24 , 893,46 , 939,62 , 320,12 , 113,7 , 113,7 , 490,14 , 504,27 , 531,28 , 113,7 , 2,0 , 2,0  }, // Amharic/Ethiopia
+    {      8,   186,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 611,52 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/SaudiArabia
+    {      8,     3,  1643,  1644,  1563,  1642,    48,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Algeria
+    {      8,    17,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Bahrain
+    {      8,    64,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Egypt
+    {      8,   103,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Iraq
+    {      8,   109,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1076,92 , 1076,92 , 320,12 , 559,38 , 113,7 , 597,14 , 611,52 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Jordan
+    {      8,   115,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Kuwait
+    {      8,   119,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1168,92 , 1168,92 , 320,12 , 559,38 , 113,7 , 597,14 , 611,52 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Lebanon
+    {      8,   122,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/LibyanArabJamahiriya
+    {      8,   145,  1643,  1644,  1563,  1642,    48,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Morocco
+    {      8,   162,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Oman
+    {      8,   175,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 611,52 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Qatar
+    {      8,   201,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Sudan
+    {      8,   207,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1168,92 , 1168,92 , 320,12 , 559,38 , 113,7 , 597,14 , 611,52 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/SyrianArabRepublic
+    {      8,   216,  1643,  1644,  1563,  1642,    48,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 611,52 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Tunisia
+    {      8,   223,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 597,14 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/UnitedArabEmirates
+    {      8,   237,  1643,  1644,  1563,  1642,  1632,    45,    43,   101, 174,10 , 184,18 , 18,7 , 80,11 , 158,12 , 158,12 , 269,24 , 1001,75 , 1001,75 , 320,12 , 559,38 , 113,7 , 597,14 , 611,52 , 611,52 , 113,7 , 7,1 , 7,1  }, // Arabic/Yemen
+    {      9,    11,    44,    46,    59,    37,    48,    45,    43,   101, 202,8 , 35,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 1260,48 , 1308,96 , 320,12 , 113,7 , 113,7 , 297,14 , 663,28 , 691,62 , 113,7 , 8,3 , 8,3  }, // Armenian/Armenia
+    {     10,   100,    46,    44,    59,    37,    48,    45,    43,   101, 210,8 , 218,18 , 91,8 , 99,11 , 158,12 , 158,12 , 194,27 , 1404,62 , 1466,90 , 320,12 , 113,7 , 113,7 , 297,14 , 753,37 , 790,58 , 113,7 , 11,6 , 11,2  }, // Assamese/India
+    {     12,    15,    44,    46,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 1556,48 , 1604,77 , 320,12 , 113,7 , 113,7 , 99,14 , 848,26 , 874,67 , 113,7 , 2,0 , 2,0  }, // Azerbaijani/Azerbaijan
+    {     14,   197,    44,    46,    59,    37,    48,    45,    43,   101, 125,8 , 262,31 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 1681,48 , 1729,93 , 320,12 , 113,7 , 113,7 , 297,14 , 941,21 , 962,68 , 113,7 , 2,0 , 2,0  }, // Basque/Spain
+    {     15,    18,    46,    44,    59,    37,  2534,    45,    43,   101, 293,6 , 218,18 , 18,7 , 25,11 , 158,12 , 158,12 , 293,33 , 1822,90 , 1822,90 , 320,12 , 113,7 , 113,7 , 1030,18 , 1048,37 , 1085,58 , 113,7 , 17,9 , 13,7  }, // Bengali/Bangladesh
+    {     15,   100,    46,    44,    59,    37,  2534,    45,    43,   101, 293,6 , 218,18 , 18,7 , 25,11 , 158,12 , 158,12 , 293,33 , 1822,90 , 1822,90 , 320,12 , 113,7 , 113,7 , 1030,18 , 1048,37 , 1085,58 , 113,7 , 17,9 , 13,7  }, // Bengali/India
+    {     16,    25,    46,    44,    59,    37,  3872,    45,    43,   101, 299,28 , 327,29 , 110,22 , 132,34 , 158,12 , 158,12 , 194,27 , 1912,75 , 1987,205 , 320,12 , 113,7 , 113,7 , 297,14 , 1143,34 , 1177,79 , 113,7 , 2,0 , 2,0  }, // Bhutani/Bhutan
+    {     20,    33,    44,   160,    59,    37,    48,    45,    43,   101, 356,8 , 364,18 , 36,5 , 41,9 , 158,12 , 158,12 , 326,24 , 2192,59 , 2251,82 , 320,12 , 113,7 , 113,7 , 1256,14 , 1270,21 , 1291,55 , 113,7 , 26,7 , 20,7  }, // Bulgarian/Bulgaria
+    {     21,   147,    46,    44,  4170,    37,  4160,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 350,24 , 2333,43 , 2376,88 , 320,12 , 113,7 , 113,7 , 1346,14 , 1360,25 , 1385,54 , 113,7 , 2,0 , 2,0  }, // Burmese/Myanmar
+    {     22,    20,    44,   160,    59,    37,    48,    45,    43,   101, 382,6 , 10,17 , 166,5 , 171,9 , 374,15 , 389,19 , 408,24 , 2464,48 , 2512,95 , 2607,13 , 113,7 , 113,7 , 1439,14 , 1453,21 , 1474,56 , 113,7 , 33,10 , 27,13  }, // Byelorussian/Belarus
+    {     23,    36,    44,    46,    59,    37,    48,    45,    43,   101, 388,8 , 396,31 , 180,4 , 184,25 , 158,12 , 158,12 , 194,27 , 2620,27 , 2647,71 , 320,12 , 113,7 , 113,7 , 297,14 , 1530,19 , 1549,76 , 113,7 , 43,5 , 40,5  }, // Cambodian/Cambodia
+    {     24,   197,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 180,4 , 209,8 , 158,12 , 158,12 , 432,24 , 2718,60 , 2778,82 , 320,12 , 1625,21 , 113,7 , 1646,14 , 1660,28 , 1688,60 , 113,7 , 2,0 , 2,0  }, // Catalan/Spain
+    {     25,    44,    46,    44,    59,    37,    48,    45,    43,   101, 453,6 , 459,13 , 217,6 , 223,11 , 456,38 , 456,38 , 494,39 , 2860,39 , 2860,39 , 320,12 , 113,7 , 113,7 , 1748,14 , 1762,21 , 1783,28 , 113,7 , 48,2 , 45,2  }, // Chinese/China
+    {     25,    97,    46, 65292, 65307,    37,    48,    45,    43,   101, 472,7 , 459,13 , 217,6 , 223,11 , 456,38 , 456,38 , 494,39 , 2860,39 , 2860,39 , 320,12 , 113,7 , 113,7 , 1748,14 , 1762,21 , 1783,28 , 113,7 , 48,2 , 45,2  }, // Chinese/HongKong
+    {     25,   126,    46,    44,    59,    37,    48,    45,    43,   101, 472,7 , 479,15 , 217,6 , 223,11 , 456,38 , 456,38 , 494,39 , 2860,39 , 2860,39 , 320,12 , 113,7 , 113,7 , 1748,14 , 1762,21 , 1783,28 , 113,7 , 48,2 , 45,2  }, // Chinese/Macau
+    {     25,   190,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 459,13 , 234,7 , 223,11 , 456,38 , 456,38 , 494,39 , 2860,39 , 2860,39 , 320,12 , 113,7 , 113,7 , 1748,14 , 1762,21 , 1783,28 , 113,7 , 48,2 , 45,2  }, // Chinese/Singapore
+    {     25,   208,    46,    44,    59,    37,    48,    45,    43,   101, 453,6 , 459,13 , 217,6 , 223,11 , 456,38 , 456,38 , 494,39 , 2860,39 , 2860,39 , 320,12 , 113,7 , 113,7 , 1748,14 , 1762,21 , 1783,28 , 113,7 , 48,2 , 45,2  }, // Chinese/Taiwan
+    {     27,    54,    44,    46,    59,    37,    48,    45,    43,   101, 494,11 , 505,19 , 36,5 , 41,9 , 158,12 , 533,94 , 627,24 , 2899,48 , 2947,98 , 320,12 , 113,7 , 113,7 , 1811,14 , 1825,28 , 1853,58 , 113,7 , 0,2 , 0,2  }, // Croatian/Croatia
+    {     28,    57,    44,   160,    59,    37,    48,    45,    43,   101, 382,6 , 524,18 , 180,4 , 41,9 , 651,39 , 690,82 , 772,24 , 134,27 , 3045,84 , 320,12 , 113,7 , 113,7 , 1911,14 , 1925,21 , 1946,49 , 113,7 , 50,4 , 47,4  }, // Czech/CzechRepublic
+    {     29,    58,    44,    46,    44,    37,    48,    45,    43,   101, 27,8 , 542,23 , 166,5 , 171,9 , 158,12 , 158,12 , 134,24 , 3129,48 , 3177,84 , 320,12 , 113,7 , 113,7 , 1995,14 , 2009,28 , 2037,51 , 113,7 , 54,4 , 51,4  }, // Danish/Denmark
+    {     30,   151,    44,    46,    59,    37,    48,    45,    43,   101, 565,8 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 3261,48 , 3309,88 , 320,12 , 113,7 , 113,7 , 2088,14 , 2102,21 , 2123,59 , 113,7 , 2,0 , 2,0  }, // Dutch/Netherlands
+    {     30,    21,    44,    46,    59,    37,    48,    45,    43,   101, 573,7 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 3261,48 , 3309,88 , 320,12 , 113,7 , 113,7 , 2088,14 , 2102,21 , 2123,59 , 113,7 , 2,0 , 2,0  }, // Dutch/Belgium
+    {     31,   225,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/UnitedStates
+    {     31,     4,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/AmericanSamoa
+    {     31,    13,    46,    44,    59,    37,    48,    45,    43,   101, 573,7 , 10,17 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Australia
+    {     31,    21,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 36,5 , 241,23 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Belgium
+    {     31,    22,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 586,12 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Belize
+    {     31,    28,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 82,17 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Botswana
+    {     31,    38,    46,    44,    59,    37,    48,    45,    43,   101, 125,8 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Canada
+    {     31,    89,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Guam
+    {     31,    97,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 10,17 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/HongKong
+    {     31,   100,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/India
+    {     31,   104,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 58,4 , 55,4  }, // English/Ireland
+    {     31,   107,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Jamaica
+    {     31,   133,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 10,17 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Malta
+    {     31,   134,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/MarshallIslands
+    {     31,   148,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Namibia
+    {     31,   154,    46,    44,    59,    37,    48,    45,    43,   101, 573,7 , 10,17 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/NewZealand
+    {     31,   160,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/NorthernMarianaIslands
+    {     31,   163,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Pakistan
+    {     31,   170,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Philippines
+    {     31,   190,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 133,18 , 264,8 , 272,12 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Singapore
+    {     31,   195,    44,   160,    59,    37,    48,    45,    43,   101, 72,10 , 82,17 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/SouthAfrica
+    {     31,   215,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/TrinidadAndTobago
+    {     31,   224,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 10,17 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/UnitedKingdom
+    {     31,   226,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/UnitedStatesMinorOutlyingIslands
+    {     31,   234,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 35,18 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/USVirginIslands
+    {     31,   240,    46,    44,    59,    37,    48,    45,    43,   101, 388,8 , 82,17 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 85,14 , 0,28 , 28,57 , 113,7 , 0,2 , 0,2  }, // English/Zimbabwe
+    {     33,    68,    44,   160,    59,    37,    48,    45,    43,   101, 356,8 , 608,18 , 180,4 , 209,8 , 158,12 , 158,12 , 194,27 , 3397,59 , 3456,91 , 320,12 , 113,7 , 113,7 , 297,14 , 2182,14 , 2196,63 , 113,7 , 2,0 , 2,0  }, // Estonian/Estonia
+    {     34,    71,    44,    46,    59,    37,    48,  8722,    43,   101, 565,8 , 82,17 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 3547,48 , 3595,83 , 320,12 , 113,7 , 113,7 , 297,14 , 2259,28 , 2287,74 , 113,7 , 2,0 , 2,0  }, // Faroese/FaroeIslands
+    {     36,    73,    44,   160,    59,    37,    48,    45,    43,   101, 626,8 , 634,17 , 284,4 , 288,8 , 158,12 , 158,12 , 796,24 , 3678,69 , 3747,129 , 320,12 , 113,7 , 113,7 , 2361,14 , 2375,21 , 2396,81 , 113,7 , 62,3 , 59,3  }, // Finnish/Finland
+    {     37,    74,    44,   160,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 3876,63 , 3939,85 , 320,12 , 113,7 , 113,7 , 2477,14 , 2491,35 , 2526,52 , 113,7 , 0,2 , 0,2  }, // French/France
+    {     37,    21,    44,    46,    59,    37,    48,    45,    43,   101, 573,7 , 109,16 , 36,5 , 296,22 , 158,12 , 158,12 , 134,24 , 3876,63 , 3939,85 , 320,12 , 113,7 , 113,7 , 2477,14 , 2491,35 , 2526,52 , 113,7 , 0,2 , 0,2  }, // French/Belgium
+    {     37,    38,    44,   160,    59,    37,    48,    45,    43,   101, 125,8 , 109,16 , 36,5 , 241,23 , 158,12 , 158,12 , 134,24 , 3876,63 , 3939,85 , 320,12 , 113,7 , 113,7 , 2477,14 , 2491,35 , 2526,52 , 113,7 , 0,2 , 0,2  }, // French/Canada
+    {     37,   125,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 3876,63 , 3939,85 , 320,12 , 113,7 , 113,7 , 2477,14 , 2491,35 , 2526,52 , 113,7 , 0,2 , 0,2  }, // French/Luxembourg
+    {     37,   142,    44,   160,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 3876,63 , 3939,85 , 320,12 , 113,7 , 113,7 , 2477,14 , 2491,35 , 2526,52 , 113,7 , 0,2 , 0,2  }, // French/Monaco
+    {     37,   187,    44,   160,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 3876,63 , 3939,85 , 320,12 , 113,7 , 113,7 , 2477,14 , 2491,35 , 2526,52 , 113,7 , 0,2 , 0,2  }, // French/Senegal
+    {     37,   206,    46,    39,    59,    37,    48,    45,    43,   101, 356,8 , 10,17 , 36,5 , 318,13 , 158,12 , 158,12 , 134,24 , 3876,63 , 3939,85 , 320,12 , 113,7 , 113,7 , 2477,14 , 2491,35 , 2526,52 , 113,7 , 0,2 , 0,2  }, // French/Switzerland
+    {     40,   197,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 82,17 , 36,5 , 41,9 , 158,12 , 158,12 , 820,24 , 4024,48 , 4072,87 , 320,12 , 113,7 , 113,7 , 2578,14 , 2592,28 , 2620,49 , 113,7 , 2,0 , 2,0  }, // Galician/Spain
+    {     41,    81,    44,    46,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 844,24 , 4159,48 , 4207,99 , 320,12 , 113,7 , 113,7 , 2669,14 , 2683,28 , 2711,62 , 113,7 , 2,0 , 2,0  }, // Georgian/Georgia
+    {     42,    82,    44,    46,    59,    37,    48,    45,    43,   101, 356,8 , 524,18 , 36,5 , 41,9 , 868,33 , 158,12 , 134,24 , 4306,48 , 4354,83 , 320,12 , 113,7 , 113,7 , 2773,14 , 2787,28 , 2815,60 , 113,7 , 65,5 , 62,6  }, // German/Germany
+    {     42,    14,    44,    46,    59,    37,    48,    45,    43,   101, 356,8 , 651,19 , 36,5 , 41,9 , 868,33 , 158,12 , 134,24 , 4437,48 , 4485,83 , 320,12 , 113,7 , 113,7 , 2773,14 , 2787,28 , 2815,60 , 113,7 , 65,5 , 62,6  }, // German/Austria
+    {     42,    21,    44,    46,    59,    37,    48,    45,    43,   101, 573,7 , 109,16 , 36,5 , 241,23 , 868,33 , 158,12 , 134,24 , 4568,48 , 4354,83 , 320,12 , 113,7 , 113,7 , 2773,14 , 2875,28 , 2815,60 , 113,7 , 65,5 , 62,6  }, // German/Belgium
+    {     42,   123,    46,    39,    59,    37,    48,    45,    43,   101, 356,8 , 524,18 , 36,5 , 41,9 , 868,33 , 158,12 , 134,24 , 4306,48 , 4354,83 , 320,12 , 113,7 , 113,7 , 2773,14 , 2787,28 , 2815,60 , 113,7 , 65,5 , 62,6  }, // German/Liechtenstein
+    {     42,   125,    44,    46,    59,    37,    48,    45,    43,   101, 356,8 , 524,18 , 36,5 , 41,9 , 868,33 , 158,12 , 134,24 , 4306,48 , 4354,83 , 320,12 , 113,7 , 113,7 , 2773,14 , 2787,28 , 2815,60 , 113,7 , 65,5 , 62,6  }, // German/Luxembourg
+    {     42,   206,    46,    39,    59,    37,    48,    45,    43,   101, 356,8 , 524,18 , 36,5 , 41,9 , 868,33 , 158,12 , 134,24 , 4306,48 , 4354,83 , 320,12 , 113,7 , 113,7 , 2773,14 , 2787,28 , 2815,60 , 113,7 , 65,5 , 62,6  }, // German/Switzerland
+    {     43,    85,    44,    46,    59,    37,    48,    45,    43,   101, 598,10 , 133,18 , 18,7 , 25,11 , 158,12 , 901,115 , 1016,24 , 4616,50 , 4666,115 , 320,12 , 113,7 , 113,7 , 2903,14 , 2917,28 , 2945,55 , 113,7 , 70,4 , 68,4  }, // Greek/Greece
+    {     43,    56,    44,    46,    59,    37,    48,    45,    43,   101, 598,10 , 133,18 , 18,7 , 25,11 , 158,12 , 901,115 , 1016,24 , 4616,50 , 4666,115 , 320,12 , 113,7 , 113,7 , 2903,14 , 2917,28 , 2945,55 , 113,7 , 70,4 , 68,4  }, // Greek/Cyprus
+    {     44,    86,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 82,17 , 18,7 , 25,11 , 158,12 , 158,12 , 194,27 , 3129,48 , 4781,96 , 320,12 , 113,7 , 113,7 , 297,14 , 3000,28 , 3028,98 , 113,7 , 2,0 , 2,0  }, // Greenlandic/Greenland
+    {     46,   100,    46,    44,    59,    37,  2790,    45,    43,   101, 670,7 , 109,16 , 331,8 , 68,12 , 158,12 , 158,12 , 194,27 , 4877,67 , 4944,87 , 320,12 , 113,7 , 113,7 , 297,14 , 3126,32 , 3158,53 , 113,7 , 74,14 , 72,14  }, // Gujarati/India
+    {     47,    83,    46,    44,    59,    37,    48,    45,    43,   101, 293,6 , 218,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1040,24 , 5031,48 , 5079,84 , 320,12 , 113,7 , 113,7 , 3211,14 , 3225,28 , 3253,51 , 113,7 , 0,2 , 0,2  }, // Hausa/Ghana
+    {     47,   156,    46,    44,    59,    37,    48,    45,    43,   101, 293,6 , 218,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1040,24 , 5031,48 , 5079,84 , 320,12 , 113,7 , 113,7 , 3211,14 , 3225,28 , 3253,51 , 113,7 , 0,2 , 0,2  }, // Hausa/Niger
+    {     47,   157,    46,    44,    59,    37,    48,    45,    43,   101, 293,6 , 218,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1040,24 , 5031,48 , 5079,84 , 320,12 , 113,7 , 113,7 , 3211,14 , 3225,28 , 3253,51 , 113,7 , 0,2 , 0,2  }, // Hausa/Nigeria
+    {     47,   201,    46,    44,    59,    37,    48,    45,    43,   101, 293,6 , 218,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1040,24 , 5031,48 , 5079,84 , 320,12 , 113,7 , 113,7 , 3211,14 , 3225,28 , 3253,51 , 113,7 , 0,2 , 0,2  }, // Hausa/Sudan
+    {     48,   105,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 36,5 , 41,9 , 1064,15 , 1064,15 , 194,27 , 5163,48 , 5211,72 , 320,12 , 113,7 , 113,7 , 3304,14 , 3304,14 , 3318,61 , 113,7 , 88,6 , 86,5  }, // Hebrew/Israel
+    {     49,   100,    46,    44,    59,    37,  2406,    45,    43,   101, 677,6 , 109,16 , 18,7 , 25,11 , 158,12 , 158,12 , 194,27 , 5283,75 , 5283,75 , 320,12 , 113,7 , 113,7 , 3379,16 , 3395,32 , 3427,53 , 113,7 , 94,9 , 91,7  }, // Hindi/India
+    {     50,    98,    44,   160,    59,    37,    48,    45,    43,   101, 683,11 , 694,13 , 180,4 , 209,8 , 158,12 , 158,12 , 1079,24 , 5358,64 , 5422,98 , 320,12 , 113,7 , 113,7 , 3480,14 , 3494,19 , 3513,52 , 113,7 , 103,3 , 98,3  }, // Hungarian/Hungary
+    {     51,    99,    44,    46,    59,    37,    48,  8722,    43,   101, 626,8 , 524,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1103,24 , 5520,48 , 5568,82 , 320,12 , 113,7 , 113,7 , 3565,14 , 3579,28 , 3607,81 , 113,7 , 2,0 , 2,0  }, // Icelandic/Iceland
+    {     52,   101,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 82,17 , 180,4 , 209,8 , 158,12 , 158,12 , 194,27 , 5650,48 , 5698,87 , 320,12 , 113,7 , 113,7 , 297,14 , 3688,28 , 3716,43 , 113,7 , 2,0 , 2,0  }, // Indonesian/Indonesia
+    {     57,   104,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 1127,24 , 5785,62 , 5847,107 , 320,12 , 113,7 , 113,7 , 3759,14 , 3773,37 , 3810,75 , 113,7 , 58,4 , 55,4  }, // Irish/Ireland
+    {     58,   106,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 109,16 , 166,5 , 171,9 , 158,12 , 1151,56 , 1207,24 , 5954,48 , 6002,94 , 320,12 , 113,7 , 3885,57 , 3942,14 , 3956,28 , 3984,57 , 113,7 , 106,2 , 101,2  }, // Italian/Italy
+    {     58,   206,    46,    39,    59,    37,    48,    45,    43,   101, 356,8 , 10,17 , 166,5 , 318,13 , 158,12 , 1151,56 , 1207,24 , 5954,48 , 6002,94 , 320,12 , 113,7 , 3885,57 , 3942,14 , 3956,28 , 3984,57 , 113,7 , 106,2 , 101,2  }, // Italian/Switzerland
+    {     59,   108,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 459,13 , 180,4 , 339,8 , 494,39 , 158,12 , 194,27 , 2860,39 , 2860,39 , 320,12 , 113,7 , 113,7 , 4041,14 , 4041,14 , 4055,28 , 113,7 , 108,2 , 103,2  }, // Japanese/Japan
+    {     61,   100,    46,    44,    59,    37,    48,    45,    43,   101, 677,6 , 109,16 , 331,8 , 68,12 , 158,12 , 158,12 , 194,27 , 6096,86 , 6096,86 , 320,12 , 113,7 , 113,7 , 297,14 , 4083,28 , 4111,53 , 113,7 , 110,9 , 105,7  }, // Kannada/India
+    {     63,   110,    44,   160,    59,    37,    48,    45,    43,   101, 356,8 , 707,22 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 6182,61 , 6243,83 , 320,12 , 113,7 , 113,7 , 297,14 , 4164,28 , 4192,54 , 113,7 , 2,0 , 2,0  }, // Kazakh/Kazakhstan
+    {     64,   179,    44,    46,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 6326,60 , 6386,101 , 320,12 , 113,7 , 113,7 , 297,14 , 4246,35 , 4281,84 , 113,7 , 2,0 , 2,0  }, // Kinyarwanda/Rwanda
+    {     65,   116,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 134,27 , 134,27 , 320,12 , 113,7 , 113,7 , 297,14 , 297,14 , 297,14 , 113,7 , 2,0 , 2,0  }, // Kirghiz/Kyrgyzstan
+    {     66,   114,    46,    44,    59,    37,    48,    45,    43,   101, 729,9 , 738,16 , 347,7 , 354,15 , 1231,39 , 1231,39 , 1231,39 , 6487,39 , 6487,39 , 320,12 , 113,7 , 113,7 , 4365,14 , 4365,14 , 4379,28 , 113,7 , 119,2 , 112,2  }, // Korean/RepublicOfKorea
+    {     67,   217,    46,    44,    59,    37,    48,    45,    43,   101, 99,10 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 320,12 , 134,27 , 320,12 , 113,7 , 113,7 , 297,14 , 113,7 , 297,14 , 113,7 , 2,0 , 2,0  }, // Kurdish/Turkey
+    {     69,   117,    46,    44,    59,    37,    48,    45,    43,   101, 388,8 , 754,21 , 180,4 , 369,20 , 158,12 , 158,12 , 194,27 , 6526,63 , 6589,75 , 320,12 , 113,7 , 113,7 , 297,14 , 4407,24 , 4431,57 , 113,7 , 2,0 , 2,0  }, // Laothian/Lao
+    {     71,   118,    44,   160,    59,    37,    48,    45,    43,   101, 775,6 , 781,26 , 36,5 , 41,9 , 158,12 , 158,12 , 134,24 , 6664,48 , 6712,101 , 320,12 , 4488,19 , 113,7 , 4507,14 , 4521,16 , 4537,72 , 113,7 , 2,0 , 2,0  }, // Latvian/Latvia
+    {     72,    49,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 6813,39 , 6852,203 , 320,12 , 113,7 , 113,7 , 297,14 , 4609,23 , 4632,98 , 113,7 , 2,0 , 2,0  }, // Lingala/DemocraticRepublicOfCongo
+    {     72,    50,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 6813,39 , 6852,203 , 320,12 , 113,7 , 113,7 , 297,14 , 4609,23 , 4632,98 , 113,7 , 2,0 , 2,0  }, // Lingala/PeoplesRepublicOfCongo
+    {     73,   124,    44,    46,    59,    37,    48,  8722,    43,   101, 99,10 , 807,26 , 36,5 , 41,9 , 158,12 , 1270,96 , 1366,24 , 7055,48 , 7103,98 , 320,12 , 113,7 , 113,7 , 4730,14 , 4744,21 , 4765,89 , 113,7 , 121,9 , 114,6  }, // Lithuanian/Lithuania
+    {     74,   127,    44,    46,    59,    37,    48,    45,    43,   101, 833,7 , 133,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1390,24 , 7201,63 , 7264,85 , 7349,14 , 113,7 , 113,7 , 1256,14 , 4854,34 , 4888,54 , 113,7 , 2,0 , 2,0  }, // Macedonian/Macedonia
+    {     76,   130,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 840,16 , 389,4 , 25,11 , 158,12 , 158,12 , 194,27 , 7363,49 , 7412,82 , 320,12 , 113,7 , 113,7 , 297,14 , 4942,28 , 4970,43 , 113,7 , 2,0 , 2,0  }, // Malay/Malaysia
+    {     76,    32,    44,    46,    59,    37,    48,    45,    43,   101, 598,10 , 586,12 , 180,4 , 393,13 , 158,12 , 158,12 , 194,27 , 7363,49 , 7412,82 , 320,12 , 113,7 , 113,7 , 297,14 , 4942,28 , 4970,43 , 113,7 , 2,0 , 2,0  }, // Malay/BruneiDarussalam
+    {     77,   100,    46,    44,    59,    37,    48,    45,    43,   101, 565,8 , 856,18 , 18,7 , 25,11 , 158,12 , 158,12 , 1414,30 , 7494,66 , 7560,101 , 320,12 , 113,7 , 5013,17 , 5030,14 , 5044,22 , 5066,47 , 5113,9 , 2,0 , 2,0  }, // Malayalam/India
+    {     78,   133,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 874,23 , 36,5 , 41,9 , 158,12 , 158,12 , 1444,24 , 7661,48 , 7709,85 , 320,12 , 113,7 , 113,7 , 5122,14 , 5136,28 , 5164,63 , 113,7 , 130,2 , 120,2  }, // Maltese/Malta
+    {     80,   100,    46,    44,    59,    37,    48,    45,    43,   101, 677,6 , 109,16 , 18,7 , 25,11 , 158,12 , 158,12 , 194,27 , 7794,87 , 7794,87 , 320,12 , 113,7 , 113,7 , 297,14 , 5227,32 , 5259,53 , 113,7 , 132,5 , 122,5  }, // Marathi/India
+    {     82,    44,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 7881,48 , 7929,66 , 320,12 , 113,7 , 113,7 , 297,14 , 5312,21 , 5333,43 , 113,7 , 2,0 , 2,0  }, // Mongolian/China
+    {     82,   143,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 7881,48 , 7929,66 , 320,12 , 113,7 , 113,7 , 297,14 , 5312,21 , 5333,43 , 113,7 , 2,0 , 2,0  }, // Mongolian/Mongolia
+    {     84,   100,    46,    44,    59,    37,  2406,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1468,27 , 7995,56 , 8051,85 , 320,12 , 113,7 , 113,7 , 5376,14 , 5390,33 , 5423,54 , 113,7 , 2,0 , 2,0  }, // Nepali/India
+    {     84,   150,    46,    44,    59,    37,  2406,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1468,27 , 7995,56 , 8051,85 , 320,12 , 113,7 , 113,7 , 5376,14 , 5390,33 , 5423,54 , 113,7 , 2,0 , 2,0  }, // Nepali/Nepal
+    {     85,   161,    44,   160,    59,    37,    48,    45,    43,   101, 356,8 , 634,17 , 166,5 , 406,15 , 158,12 , 158,12 , 134,24 , 8136,59 , 8195,83 , 320,12 , 113,7 , 113,7 , 1995,14 , 5477,35 , 2037,51 , 113,7 , 137,9 , 127,11  }, // Norwegian/Norway
+    {     87,   100,    46,    44,    59,    37,  2918,    45,    43,   101, 565,8 , 897,17 , 18,7 , 25,11 , 158,12 , 158,12 , 194,27 , 8278,89 , 8278,89 , 320,12 , 113,7 , 113,7 , 297,14 , 5512,33 , 5545,54 , 113,7 , 2,0 , 2,0  }, // Oriya/India
+    {     88,     1,  1643,  1644,    59,  1642,  1776,  8722,    43,   101, 914,8 , 922,20 , 180,4 , 421,10 , 158,12 , 158,12 , 194,27 , 8367,31 , 8398,68 , 320,12 , 113,7 , 113,7 , 297,14 , 297,14 , 5599,49 , 113,7 , 146,4 , 138,4  }, // Pashto/Afghanistan
+    {     89,   102,  1643,  1644,  1563,  1642,  1776,  8722,    43,   101, 942,6 , 948,21 , 180,4 , 421,10 , 158,12 , 1495,70 , 1565,24 , 8466,74 , 8466,74 , 320,12 , 113,7 , 113,7 , 5648,14 , 5599,49 , 5599,49 , 113,7 , 150,10 , 142,10  }, // Persian/Iran
+    {     89,     1,  1643,  1644,  1563,  1642,  1776,  8722,    43,   101, 942,6 , 948,21 , 180,4 , 421,10 , 158,12 , 1495,70 , 1589,24 , 8540,63 , 8603,68 , 320,12 , 113,7 , 113,7 , 5648,14 , 5599,49 , 5599,49 , 113,7 , 150,10 , 142,10  }, // Persian/Afghanistan
+    {     90,   172,    44,   160,    59,    37,    48,    45,    43,   101, 125,8 , 10,17 , 36,5 , 41,9 , 158,12 , 1613,97 , 1710,24 , 8671,48 , 8719,99 , 320,12 , 113,7 , 113,7 , 5662,14 , 5676,34 , 5710,59 , 113,7 , 0,2 , 0,2  }, // Polish/Poland
+    {     91,   173,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 969,27 , 36,5 , 431,16 , 158,12 , 158,12 , 134,24 , 8818,48 , 8866,89 , 320,12 , 113,7 , 113,7 , 5769,14 , 5783,28 , 5811,79 , 113,7 , 160,17 , 152,18  }, // Portuguese/Portugal
+    {     91,    30,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 969,27 , 36,5 , 447,18 , 158,12 , 158,12 , 134,24 , 8955,48 , 9003,89 , 320,12 , 113,7 , 113,7 , 5769,14 , 5783,28 , 5811,79 , 113,7 , 0,2 , 0,2  }, // Portuguese/Brazil
+    {     92,   100,    46,    44,    59,    37,  2662,    45,    43,   101, 996,9 , 133,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1734,27 , 9092,68 , 9092,68 , 320,12 , 113,7 , 113,7 , 5890,23 , 5913,38 , 5951,55 , 113,7 , 177,5 , 170,4  }, // Punjabi/India
+    {     92,   163,    46,    44,    59,    37,  2662,    45,    43,   101, 996,9 , 133,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1734,27 , 9092,68 , 9092,68 , 320,12 , 113,7 , 113,7 , 5890,23 , 5913,38 , 5951,55 , 113,7 , 177,5 , 170,4  }, // Punjabi/Pakistan
+    {     95,   141,    44,    46,    59,    37,    48,    45,    43,   101, 1005,10 , 10,17 , 36,5 , 41,9 , 158,12 , 158,12 , 1761,24 , 9160,60 , 9220,98 , 320,12 , 113,7 , 6006,14 , 2477,14 , 6020,16 , 6036,48 , 113,7 , 0,2 , 0,2  }, // Romanian/Moldova
+    {     95,   177,    44,    46,    59,    37,    48,    45,    43,   101, 1005,10 , 10,17 , 36,5 , 41,9 , 158,12 , 158,12 , 1761,24 , 9160,60 , 9220,98 , 320,12 , 113,7 , 6006,14 , 2477,14 , 6020,16 , 6036,48 , 113,7 , 0,2 , 0,2  }, // Romanian/Romania
+    {     96,   178,    44,   160,    59,    37,    48,    45,    43,   101, 356,8 , 1015,22 , 180,4 , 209,8 , 1785,62 , 1847,80 , 1927,24 , 9318,63 , 9381,82 , 320,12 , 113,7 , 6084,62 , 6146,14 , 6160,21 , 6181,62 , 113,7 , 0,2 , 0,2  }, // Russian/RussianFederation
+    {     96,   222,    44,   160,    59,    37,    48,    45,    43,   101, 356,8 , 1015,22 , 36,5 , 41,9 , 1785,62 , 1847,80 , 1927,24 , 9318,63 , 9381,82 , 320,12 , 113,7 , 6084,62 , 6146,14 , 6160,21 , 6181,62 , 113,7 , 0,2 , 0,2  }, // Russian/Ukraine
+    {     99,   100,    46,    44,    59,    37,  2406,    45,    43,   101, 670,7 , 109,16 , 331,8 , 68,12 , 158,12 , 158,12 , 194,27 , 134,27 , 134,27 , 320,12 , 113,7 , 113,7 , 297,14 , 297,14 , 297,14 , 113,7 , 2,0 , 2,0  }, // Sanskrit/India
+    {    100,   241,    44,    46,    59,    37,    48,    45,    43,  1077, 1037,7 , 1044,20 , 166,5 , 171,9 , 158,12 , 158,12 , 1390,24 , 9463,48 , 9511,81 , 320,12 , 113,7 , 113,7 , 6243,14 , 6257,28 , 6285,52 , 113,7 , 182,8 , 174,7  }, // Serbian/SerbiaAndMontenegro
+    {    100,    27,    44,    46,    59,    37,    48,    45,    43,  1077, 125,8 , 1044,20 , 36,5 , 465,39 , 158,12 , 158,12 , 1390,24 , 9463,48 , 9592,83 , 320,12 , 113,7 , 113,7 , 6243,14 , 6337,28 , 6365,54 , 113,7 , 182,8 , 174,7  }, // Serbian/BosniaAndHerzegowina
+    {    100,   238,    44,    46,    59,    37,    48,    45,    43,  1077, 1037,7 , 1044,20 , 166,5 , 171,9 , 158,12 , 158,12 , 1390,24 , 9463,48 , 9511,81 , 320,12 , 113,7 , 113,7 , 6243,14 , 6257,28 , 6285,52 , 113,7 , 182,8 , 174,7  }, // Serbian/Yugoslavia
+    {    101,   241,    46,    44,    59,    37,    48,    45,    43,   101, 99,10 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1951,24 , 9675,48 , 9723,81 , 320,12 , 113,7 , 113,7 , 1811,14 , 6419,28 , 6447,54 , 113,7 , 0,2 , 0,2  }, // SerboCroatian/SerbiaAndMontenegro
+    {    101,    27,    46,    44,    59,    37,    48,    45,    43,   101, 99,10 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1951,24 , 9675,48 , 9723,81 , 320,12 , 113,7 , 113,7 , 1811,14 , 6419,28 , 6447,54 , 113,7 , 0,2 , 0,2  }, // SerboCroatian/BosniaAndHerzegowina
+    {    101,   238,    46,    44,    59,    37,    48,    45,    43,   101, 99,10 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1951,24 , 9675,48 , 9723,81 , 320,12 , 113,7 , 113,7 , 1811,14 , 6419,28 , 6447,54 , 113,7 , 0,2 , 0,2  }, // SerboCroatian/Yugoslavia
+    {    102,   120,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 9804,48 , 9852,105 , 320,12 , 113,7 , 113,7 , 297,14 , 6501,27 , 6528,61 , 113,7 , 2,0 , 2,0  }, // Sesotho/Lesotho
+    {    102,   195,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 9804,48 , 9852,105 , 320,12 , 113,7 , 113,7 , 297,14 , 6501,27 , 6528,61 , 113,7 , 2,0 , 2,0  }, // Sesotho/SouthAfrica
+    {    103,   195,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 9957,48 , 10005,117 , 320,12 , 113,7 , 113,7 , 297,14 , 6589,27 , 6616,64 , 113,7 , 2,0 , 2,0  }, // Setswana/SouthAfrica
+    {    106,   198,    46,    44,    59,    37,    48,    45,    43,   101, 72,10 , 1064,17 , 18,7 , 25,11 , 158,12 , 158,12 , 1975,32 , 10122,54 , 10176,92 , 320,12 , 113,7 , 113,7 , 6680,19 , 6699,30 , 6729,62 , 113,7 , 190,5 , 181,4  }, // Singhalese/SriLanka
+    {    107,   195,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 10268,48 , 10316,114 , 320,12 , 113,7 , 113,7 , 297,14 , 6791,27 , 6818,68 , 113,7 , 2,0 , 2,0  }, // Siswati/SouthAfrica
+    {    107,   204,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 10268,48 , 10316,114 , 320,12 , 113,7 , 113,7 , 297,14 , 6791,27 , 6818,68 , 113,7 , 2,0 , 2,0  }, // Siswati/Swaziland
+    {    108,   191,    44,   160,    59,    37,    48,    45,    43,   101, 626,8 , 524,18 , 180,4 , 209,8 , 158,12 , 158,12 , 1951,24 , 10430,48 , 10478,82 , 320,12 , 113,7 , 113,7 , 6886,14 , 6900,21 , 6921,52 , 113,7 , 2,0 , 2,0  }, // Slovak/Slovakia
+    {    109,   192,    44,    46,    59,    37,    48,    45,    43,   101, 382,6 , 651,19 , 180,4 , 209,8 , 158,12 , 158,12 , 1951,24 , 9675,48 , 10560,86 , 320,12 , 113,7 , 113,7 , 6973,14 , 6987,28 , 7015,52 , 113,7 , 2,0 , 2,0  }, // Slovenian/Slovenia
+    {    110,   194,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 53,19 , 18,7 , 25,11 , 158,12 , 158,12 , 2007,24 , 10646,48 , 10694,189 , 320,12 , 113,7 , 113,7 , 7067,14 , 7081,28 , 7109,47 , 113,7 , 195,2 , 185,2  }, // Somali/Somalia
+    {    110,    59,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 53,19 , 18,7 , 25,11 , 158,12 , 158,12 , 2007,24 , 10646,48 , 10694,189 , 320,12 , 113,7 , 113,7 , 7067,14 , 7081,28 , 7109,47 , 113,7 , 195,2 , 185,2  }, // Somali/Djibouti
+    {    110,    69,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 53,19 , 18,7 , 25,11 , 158,12 , 158,12 , 2007,24 , 10646,48 , 10694,189 , 320,12 , 113,7 , 113,7 , 7067,14 , 7081,28 , 7109,47 , 113,7 , 195,2 , 185,2  }, // Somali/Ethiopia
+    {    110,   111,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 53,19 , 18,7 , 25,11 , 158,12 , 158,12 , 2007,24 , 10646,48 , 10694,189 , 320,12 , 113,7 , 113,7 , 7067,14 , 7081,28 , 7109,47 , 113,7 , 195,2 , 185,2  }, // Somali/Kenya
+    {    111,   197,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Spain
+    {    111,    10,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 504,13 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Argentina
+    {    111,    26,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Bolivia
+    {    111,    43,    44,    46,    59,    37,    48,    45,    43,   101, 565,8 , 427,26 , 180,4 , 41,9 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Chile
+    {    111,    47,    44,    46,    59,    37,    48,    45,    43,   101, 573,7 , 427,26 , 180,4 , 41,9 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Colombia
+    {    111,    52,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/CostaRica
+    {    111,    61,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/DominicanRepublic
+    {    111,    63,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 180,4 , 41,9 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Ecuador
+    {    111,    65,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/ElSalvador
+    {    111,    90,    46,    44,    59,    37,    48,    45,    43,   101, 573,7 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Guatemala
+    {    111,    96,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 1081,27 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Honduras
+    {    111,   139,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Mexico
+    {    111,   155,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Nicaragua
+    {    111,   166,    46,    44,    59,    37,    48,    45,    43,   101, 202,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Panama
+    {    111,   168,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Paraguay
+    {    111,   169,    46,    44,    59,    37,    48,    45,    43,   101, 573,7 , 427,26 , 36,5 , 517,13 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Peru
+    {    111,   174,    46,    44,    59,    37,    48,    45,    43,   101, 202,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/PuertoRico
+    {    111,   225,    46,    44,    59,    37,    48,    45,    43,   101, 580,6 , 427,26 , 18,7 , 25,11 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/UnitedStates
+    {    111,   227,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Uruguay
+    {    111,   231,    44,    46,    59,    37,    48,    45,    43,   101, 27,8 , 427,26 , 36,5 , 68,12 , 158,12 , 158,12 , 2031,24 , 10883,48 , 10931,89 , 320,12 , 113,7 , 113,7 , 2477,14 , 7156,28 , 7184,53 , 113,7 , 58,4 , 55,4  }, // Spanish/Venezuela
+    {    113,   111,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 11020,48 , 11068,84 , 320,12 , 113,7 , 113,7 , 297,14 , 7237,28 , 7265,60 , 113,7 , 2,0 , 2,0  }, // Swahili/Kenya
+    {    113,   210,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 11020,48 , 11068,84 , 320,12 , 113,7 , 113,7 , 297,14 , 7237,28 , 7265,60 , 113,7 , 2,0 , 2,0  }, // Swahili/Tanzania
+    {    114,   205,    44,   160,    59,    37,    48,  8722,    43,   101, 99,10 , 1108,22 , 166,5 , 406,15 , 158,12 , 158,12 , 134,24 , 3129,48 , 11152,86 , 320,12 , 113,7 , 113,7 , 1995,14 , 7325,29 , 7354,50 , 113,7 , 197,2 , 187,2  }, // Swedish/Sweden
+    {    114,    73,    44,   160,    59,    37,    48,  8722,    43,   101, 99,10 , 1108,22 , 166,5 , 406,15 , 158,12 , 158,12 , 134,24 , 3129,48 , 11152,86 , 320,12 , 113,7 , 113,7 , 1995,14 , 7325,29 , 7354,50 , 113,7 , 197,2 , 187,2  }, // Swedish/Finland
+    {    116,   209,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 11238,48 , 11286,71 , 320,12 , 113,7 , 113,7 , 297,14 , 7404,28 , 7432,55 , 113,7 , 2,0 , 2,0  }, // Tajik/Tajikistan
+    {    117,   100,    46,    44,    59,    37,    48,    45,    43,   101, 677,6 , 109,16 , 18,7 , 25,11 , 158,12 , 158,12 , 194,27 , 11357,58 , 11415,86 , 320,12 , 113,7 , 113,7 , 297,14 , 7487,20 , 7507,49 , 113,7 , 199,4 , 189,4  }, // Tamil/India
+    {    118,   178,    44,   160,    59,    37,    48,    45,    43,   101, 1005,10 , 1130,11 , 180,4 , 25,11 , 158,12 , 158,12 , 194,27 , 134,27 , 134,27 , 320,12 , 113,7 , 113,7 , 297,14 , 297,14 , 297,14 , 113,7 , 2,0 , 2,0  }, // Tatar/RussianFederation
+    {    119,   100,    46,    44,    59,    37,  3174,    45,    43,   101, 565,8 , 109,16 , 18,7 , 25,11 , 158,12 , 158,12 , 2055,30 , 11501,86 , 11501,86 , 320,12 , 113,7 , 113,7 , 7556,18 , 7574,32 , 7606,60 , 113,7 , 203,10 , 193,8  }, // Telugu/India
+    {    120,   211,    46,    44,    59,    37,    48,    45,    43,   101, 388,8 , 1141,21 , 180,4 , 530,26 , 158,12 , 158,12 , 2085,63 , 11587,63 , 11650,98 , 320,12 , 113,7 , 113,7 , 7666,14 , 7680,23 , 7703,68 , 7771,9 , 213,10 , 201,10  }, // Thai/Thailand
+    {    122,    67,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 1162,25 , 18,7 , 25,11 , 158,12 , 158,12 , 245,24 , 11748,46 , 11794,54 , 320,12 , 113,7 , 113,7 , 7780,14 , 7794,28 , 7822,29 , 113,7 , 223,7 , 211,7  }, // Tigrinya/Eritrea
+    {    122,    69,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 1187,25 , 18,7 , 25,11 , 158,12 , 158,12 , 245,24 , 893,46 , 939,62 , 320,12 , 113,7 , 113,7 , 7780,14 , 7851,28 , 7879,29 , 113,7 , 223,7 , 211,7  }, // Tigrinya/Ethiopia
+    {    123,   214,    46,    44,    59,    37,    48,    45,    43,   101, 1212,10 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 2148,24 , 11848,51 , 11899,87 , 320,12 , 113,7 , 113,7 , 7908,14 , 7922,29 , 7951,60 , 113,7 , 2,0 , 2,0  }, // Tonga/Tonga
+    {    124,   195,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 11986,48 , 12034,122 , 320,12 , 113,7 , 113,7 , 297,14 , 8011,27 , 8038,72 , 113,7 , 2,0 , 2,0  }, // Tsonga/SouthAfrica
+    {    125,   217,    44,    46,    59,    37,    48,    45,    43,   101, 1005,10 , 1222,17 , 36,5 , 41,9 , 158,12 , 158,12 , 2172,24 , 12156,48 , 12204,75 , 320,12 , 113,7 , 113,7 , 8110,14 , 8124,28 , 8152,54 , 113,7 , 0,2 , 0,2  }, // Turkish/Turkey
+    {    128,    44,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 134,27 , 134,27 , 320,12 , 113,7 , 113,7 , 297,14 , 297,14 , 297,14 , 113,7 , 2,0 , 2,0  }, // Uigur/China
+    {    129,   222,    44,   160,    59,    37,    48,    45,    43,   101, 356,8 , 1239,22 , 36,5 , 41,9 , 2196,48 , 2244,95 , 2339,24 , 12279,67 , 12346,87 , 320,12 , 113,7 , 113,7 , 8206,14 , 8220,21 , 8241,56 , 113,7 , 230,2 , 218,2  }, // Ukrainian/Ukraine
+    {    130,   100,    46,    44,    59,    37,    48,    45,    43,  1602, 293,6 , 608,18 , 18,7 , 25,11 , 158,12 , 158,12 , 1589,24 , 320,12 , 12433,67 , 320,12 , 113,7 , 113,7 , 297,14 , 113,7 , 8297,36 , 8333,14 , 2,0 , 2,0  }, // Urdu/India
+    {    130,   163,    46,    44,    59,    37,    48,    45,    43,  1602, 293,6 , 608,18 , 18,7 , 25,11 , 158,12 , 158,12 , 1589,24 , 320,12 , 12433,67 , 320,12 , 113,7 , 113,7 , 297,14 , 113,7 , 8297,36 , 8333,14 , 2,0 , 2,0  }, // Urdu/Pakistan
+    {    131,   228,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1927,24 , 11238,48 , 12500,115 , 320,12 , 113,7 , 113,7 , 8347,14 , 8361,28 , 8389,53 , 113,7 , 2,0 , 2,0  }, // Uzbek/Uzbekistan
+    {    131,     1,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 1927,24 , 11238,48 , 12500,115 , 320,12 , 113,7 , 113,7 , 8347,14 , 8361,28 , 8389,53 , 113,7 , 2,0 , 2,0  }, // Uzbek/Afghanistan
+    {    132,   232,    44,    46,    59,    37,    48,    45,    43,   101, 598,10 , 1261,31 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 12615,75 , 12690,130 , 320,12 , 113,7 , 113,7 , 297,14 , 8442,33 , 8475,55 , 113,7 , 232,2 , 220,2  }, // Vietnamese/VietNam
+    {    134,   224,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 133,18 , 18,7 , 25,11 , 2363,25 , 2388,22 , 2410,24 , 12820,62 , 12882,86 , 320,12 , 8530,10 , 113,7 , 8540,14 , 8554,30 , 8584,77 , 113,7 , 2,0 , 2,0  }, // Welsh/UnitedKingdom
+    {    135,   187,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 134,27 , 134,27 , 320,12 , 113,7 , 113,7 , 297,14 , 297,14 , 297,14 , 113,7 , 2,0 , 2,0  }, // Wolof/Senegal
+    {    136,   195,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 12968,48 , 13016,91 , 320,12 , 113,7 , 113,7 , 297,14 , 8661,28 , 8689,61 , 113,7 , 2,0 , 2,0  }, // Xhosa/SouthAfrica
+    {    138,   157,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 13107,73 , 13180,121 , 320,12 , 113,7 , 113,7 , 297,14 , 8750,50 , 8800,80 , 113,7 , 234,5 , 222,5  }, // Yoruba/Nigeria
+    {    140,   195,    44,   160,    59,    37,    48,    45,    43,   101, 99,10 , 82,17 , 18,7 , 25,11 , 158,12 , 2434,104 , 134,24 , 13301,48 , 13349,90 , 320,12 , 113,7 , 113,7 , 8880,14 , 8894,28 , 8922,68 , 113,7 , 2,0 , 2,0  }, // Zulu/SouthAfrica
+    {    141,   161,    44,   160,    59,    37,    48,  8722,    43,   101, 356,8 , 634,17 , 166,5 , 406,15 , 158,12 , 158,12 , 134,24 , 3547,48 , 8195,83 , 320,12 , 8990,13 , 113,7 , 1995,14 , 9003,22 , 9025,51 , 113,7 , 137,9 , 127,11  }, // Nynorsk/Norway
+    {    142,    27,    44,    46,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 13439,48 , 13487,83 , 320,12 , 113,7 , 113,7 , 297,14 , 9076,28 , 9104,58 , 113,7 , 2,0 , 2,0  }, // Bosnian/BosniaAndHerzegowina
+    {    143,   131,    46,    44,  1548,    37,  1632,    45,    43,   101, 677,6 , 109,16 , 331,8 , 68,12 , 158,12 , 158,12 , 194,27 , 134,27 , 134,27 , 320,12 , 113,7 , 113,7 , 297,14 , 297,14 , 297,14 , 113,7 , 2,0 , 2,0  }, // Divehi/Maldives
+    {    144,   224,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 82,17 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 13570,102 , 13672,140 , 320,12 , 113,7 , 113,7 , 297,14 , 9162,30 , 9192,57 , 113,7 , 58,4 , 55,4  }, // Manx/UnitedKingdom
+    {    145,   224,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 109,16 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 13812,46 , 13858,124 , 320,12 , 113,7 , 113,7 , 297,14 , 9249,28 , 9277,60 , 113,7 , 58,4 , 55,4  }, // Cornish/UnitedKingdom
+    {    146,    83,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 13982,48 , 14030,192 , 320,12 , 113,7 , 113,7 , 9337,14 , 9351,28 , 9379,49 , 113,7 , 2,0 , 2,0  }, // Akan/Ghana
+    {    147,   100,    46,    44,    59,    37,    48,    45,    43,   101, 677,6 , 109,16 , 18,7 , 25,11 , 158,12 , 158,12 , 194,27 , 14222,85 , 7794,87 , 320,12 , 113,7 , 113,7 , 297,14 , 5227,32 , 9428,55 , 113,7 , 132,5 , 122,5  }, // Konkani/India
+    {    148,    83,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 14307,48 , 14355,94 , 320,12 , 113,7 , 113,7 , 297,14 , 9483,26 , 9509,34 , 113,7 , 2,0 , 2,0  }, // Ga/Ghana
+    {    149,   157,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 14449,48 , 14497,86 , 320,12 , 113,7 , 113,7 , 297,14 , 9543,29 , 9572,57 , 113,7 , 2,0 , 2,0  }, // Igbo/Nigeria
+    {    150,   111,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 14583,189 , 14583,189 , 320,12 , 113,7 , 113,7 , 297,14 , 9629,28 , 9657,59 , 113,7 , 2,0 , 2,0  }, // Kamba/Kenya
+    {    151,   207,    46,    44,    59,    37,    48,    45,    43,   101, 598,10 , 1292,13 , 389,4 , 25,11 , 158,12 , 158,12 , 194,27 , 14772,65 , 14837,65 , 320,12 , 113,7 , 113,7 , 297,14 , 297,14 , 297,14 , 113,7 , 2,0 , 2,0  }, // Syriac/SyrianArabRepublic
+    {    152,    67,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 1305,24 , 18,7 , 25,11 , 158,12 , 158,12 , 2538,24 , 14902,47 , 14949,77 , 320,12 , 113,7 , 113,7 , 9716,14 , 9730,26 , 9756,43 , 113,7 , 2,0 , 2,0  }, // Blin/Eritrea
+    {    153,    67,    46,  4808,    59,    37,    48,    45,    43,   101, 27,8 , 1329,25 , 18,7 , 25,11 , 158,12 , 158,12 , 2562,24 , 15026,48 , 15074,49 , 320,12 , 113,7 , 113,7 , 9799,14 , 9813,28 , 9841,29 , 113,7 , 2,0 , 2,0  }, // Geez/Eritrea
+    {    153,    69,    46,  4808,    59,    37,    48,    45,    43,   101, 27,8 , 1329,25 , 18,7 , 25,11 , 158,12 , 158,12 , 2562,24 , 15026,48 , 15074,49 , 320,12 , 113,7 , 113,7 , 9799,14 , 9813,28 , 9841,29 , 113,7 , 2,0 , 2,0  }, // Geez/Ethiopia
+    {    154,    53,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 15123,48 , 15171,124 , 320,12 , 113,7 , 113,7 , 297,14 , 9870,28 , 9898,54 , 113,7 , 2,0 , 2,0  }, // Koro/IvoryCoast
+    {    155,    69,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 53,19 , 18,7 , 25,11 , 158,12 , 158,12 , 134,24 , 0,48 , 48,86 , 320,12 , 113,7 , 113,7 , 9952,14 , 9966,28 , 9994,51 , 113,7 , 2,0 , 2,0  }, // Sidamo/Ethiopia
+    {    156,   157,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 15295,59 , 15354,129 , 320,12 , 113,7 , 113,7 , 297,14 , 10045,35 , 10080,87 , 113,7 , 2,0 , 2,0  }, // Atsam/Nigeria
+    {    157,    67,    46,    44,    59,    37,    48,    45,    43,   101, 27,8 , 1354,23 , 18,7 , 25,11 , 158,12 , 158,12 , 245,24 , 893,46 , 939,62 , 320,12 , 113,7 , 113,7 , 10167,14 , 10181,27 , 10208,41 , 113,7 , 2,0 , 2,0  }, // Tigre/Eritrea
+    {    158,   157,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 15483,57 , 15540,178 , 320,12 , 113,7 , 113,7 , 297,14 , 10249,28 , 10277,44 , 113,7 , 2,0 , 2,0  }, // Jju/Nigeria
+    {    159,   106,    46,    44,    59,    37,    48,    45,    43,   101, 573,7 , 1377,27 , 36,5 , 41,9 , 158,12 , 158,12 , 2586,24 , 15718,48 , 15766,77 , 320,12 , 113,7 , 113,7 , 2477,14 , 10321,28 , 10349,50 , 113,7 , 2,0 , 2,0  }, // Friulian/Italy
+    {    160,   195,    44,   160,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 15843,48 , 15891,111 , 320,12 , 113,7 , 113,7 , 297,14 , 10399,27 , 10426,70 , 113,7 , 2,0 , 2,0  }, // Venda/SouthAfrica
+    {    161,    83,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 2610,24 , 16002,48 , 16050,87 , 320,12 , 113,7 , 113,7 , 10496,14 , 10510,32 , 10542,44 , 113,7 , 2,0 , 2,0  }, // Ewe/Ghana
+    {    161,   212,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 2610,24 , 16002,48 , 16050,87 , 320,12 , 113,7 , 113,7 , 10496,14 , 10510,32 , 10542,44 , 113,7 , 2,0 , 2,0  }, // Ewe/Togo
+    {    163,   225,    46,    44,    59,    37,    48,    45,    43,   101, 293,6 , 10,17 , 18,7 , 25,11 , 158,12 , 158,12 , 194,27 , 16137,59 , 16196,95 , 320,12 , 113,7 , 113,7 , 297,14 , 10586,21 , 10607,57 , 113,7 , 2,0 , 2,0  }, // Hawaiian/UnitedStates
+    {    164,   157,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 16291,48 , 16339,153 , 320,12 , 113,7 , 113,7 , 297,14 , 10664,28 , 10692,42 , 113,7 , 2,0 , 2,0  }, // Tyap/Nigeria
+    {    165,   129,    46,    44,    59,    37,    48,    45,    43,   101, 236,8 , 244,18 , 36,5 , 41,9 , 158,12 , 158,12 , 194,27 , 16492,48 , 16540,91 , 320,12 , 113,7 , 113,7 , 297,14 , 10734,28 , 10762,67 , 113,7 , 2,0 , 2,0  }, // Chewa/Malawi
+    {      0,     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,0,     0,0,     0,0,     0,0,     0,0,     0,0,     0,0,    0,0,    0,0,    0,0,   0,0,   0,0,   0,0,   0,0,   0,0,   0,0,   0,0,   0,0 }  // trailing 0s
+};
+
+static const ushort date_format_data[] = {
+0x64, 0x20, 0x4d, 0x4d, 0x4d, 0x20, 0x79, 0x79, 0x79, 0x79, 0x64, 0x64, 0x64, 0x64, 0x2c, 0x20, 0x64, 0x20, 0x4d, 0x4d,
+0x4d, 0x4d, 0x20, 0x79, 0x79, 0x79, 0x79, 0x64, 0x64, 0x2f, 0x4d, 0x4d, 0x2f, 0x79, 0x79, 0x64, 0x64, 0x64, 0x64, 0x2c,
+0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x20, 0x64, 0x2c, 0x20, 0x79, 0x79, 0x79, 0x79, 0x64, 0x64, 0x64, 0x64, 0x2c, 0x20, 0x4d,
+0x4d, 0x4d, 0x4d, 0x20, 0x64, 0x64, 0x2c, 0x20, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x2f, 0x4d, 0x4d, 0x2f,
+0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x20, 0x64, 0x64, 0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x20, 0x79, 0x79, 0x79, 0x79, 0x79,
+0x79, 0x79, 0x79, 0x2d, 0x4d, 0x4d, 0x2d, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x20, 0x64, 0x20, 0x4d, 0x4d, 0x4d, 0x4d,
+0x20, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x2d, 0x4d, 0x4d, 0x2d, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x2c, 0x20, 0x64,
+0x64, 0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x20, 0x79, 0x79, 0x79, 0x79, 0x64, 0x64, 0x64, 0x64, 0x1363, 0x20, 0x64, 0x64, 0x20,
+0x4d, 0x4d, 0x4d, 0x4d, 0x20, 0x1240, 0x1295, 0x20, 0x79, 0x79, 0x79, 0x79, 0x20, 0x47, 0x64, 0x200f, 0x2f, 0x4d, 0x200f, 0x2f,
+0x79, 0x79, 0x79, 0x79, 0x64, 0x64, 0x64, 0x64, 0x60c, 0x20, 0x64, 0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x60c, 0x20, 0x79, 0x79,
+0x79, 0x79, 0x4d, 0x4d, 0x2f, 0x64, 0x64, 0x2f, 0x79, 0x79, 0x64, 0x2d, 0x4d, 0x2d, 0x79, 0x79, 0x79, 0x79, 0x64, 0x64,
+0x64, 0x64, 0x2c, 0x20, 0x64, 0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x2c, 0x20, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x2f, 0x4d,
+0x4d, 0x2f, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x2c, 0x20, 0x79, 0x79, 0x79, 0x79, 0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x20,
+0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x2c, 0x20, 0x79, 0x79, 0x79, 0x79, 0x27, 0x65, 0x6b, 0x6f, 0x27, 0x20, 0x4d, 0x4d,
+0x4d, 0x4d, 0x27, 0x72, 0x65, 0x6e, 0x27, 0x20, 0x64, 0x64, 0x27, 0x61, 0x27, 0x64, 0x2f, 0x4d, 0x2f, 0x79, 0x79, 0xf66,
+0xfa4, 0xfb1, 0xf72, 0xf0b, 0xf63, 0xf7c, 0xf0b, 0x20, 0x79, 0x79, 0x79, 0x79, 0x20, 0xf5f, 0xfb3, 0xf0b, 0x20, 0x4d, 0x4d, 0x20,
+0xf5a, 0xf7a, 0xf66, 0xf0b, 0x20, 0x64, 0x64, 0xf66, 0xfa4, 0xfb1, 0xf72, 0xf0b, 0xf63, 0xf7c, 0xf0b, 0x79, 0x79, 0x79, 0x79, 0x20,
+0xf5f, 0xfb3, 0xf0b, 0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x20, 0xf5a, 0xf7a, 0xf66, 0xf0b, 0x20, 0x64, 0x64, 0x64, 0x64, 0x2e, 0x4d,
+0x4d, 0x2e, 0x79, 0x79, 0x64, 0x64, 0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x20, 0x79, 0x79, 0x79, 0x79, 0x2c, 0x20, 0x64, 0x64,
+0x64, 0x64, 0x64, 0x2e, 0x4d, 0x2e, 0x79, 0x79, 0x64, 0x2f, 0x4d, 0x2f, 0x79, 0x79, 0x79, 0x79, 0x64, 0x64, 0x64, 0x64,
+0x20, 0x1790, 0x17d2, 0x1784, 0x17c3, 0x20, 0x64, 0x20, 0x1781, 0x17c2, 0x20, 0x4d, 0x4d, 0x4d, 0x4d, 0x20, 0x1786, 0x17d2, 0x1793, 0x17b6,
+0x17c6, 0x20, 0x20, 0x79, 0x79, 0x79, 0x79, 0x64, 0x64, 0x64, 0x64, 0x20, 0x64, 0x20, 0x27, 0x64, 0x65, 0x27, 0x20, 0x4d,
+0x4d, 0x4d, 0x4d, 0x20, 0x27, 0x64, 0x65, 0x27, 0x20, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x2d, 0x4d, 0x2d, 0x64, 0x79,
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+};
+
+static const ushort time_format_data[] = {
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+};
+
+static const ushort months_data[] = {
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+};
+
+static const ushort days_data[] = {
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+0x4c, 0x6f, 0x77, 0x65, 0x72, 0x75, 0x6b, 0x61, 0x3b
+};
+
+static const ushort am_data[] = {
+0x41, 0x4d, 0x76, 0x6d, 0x2e, 0x50, 0x44, 0x635, 0x531, 0x57c, 0x2024, 0x9aa, 0x9c2, 0x9f0, 0x9cd, 0x9ac, 0x9be, 0x9aa, 0x9c2, 0x9b0,
+0x9cd, 0x9ac, 0x9be, 0x9b9, 0x9cd, 0x9a3, 0x43f, 0x440, 0x2e, 0x20, 0x43e, 0x431, 0x2e, 0x434, 0x430, 0x20, 0x43f, 0x430, 0x43b, 0x443,
+0x434, 0x43d, 0x44f, 0x1796, 0x17d2, 0x179a, 0x17b9, 0x1780, 0x4e0a, 0x5348, 0x64, 0x6f, 0x70, 0x2e, 0x66, 0x2e, 0x6d, 0x2e, 0x61, 0x2e,
+0x6d, 0x2e, 0x61, 0x70, 0x2e, 0x76, 0x6f, 0x72, 0x6d, 0x2e, 0x3c0, 0x2e, 0x3bc, 0x2e, 0xaaa, 0xac2, 0xab0, 0xacd, 0xab5, 0xa0,
+0xaae, 0xaa7, 0xacd, 0xaaf, 0xabe, 0xab9, 0xacd, 0xaa8, 0x5dc, 0x5e4, 0x5e0, 0x5d4, 0x22, 0x5e6, 0x92a, 0x942, 0x930, 0x94d, 0x935, 0x93e,
+0x939, 0x94d, 0x928, 0x64, 0x65, 0x2e, 0x6d, 0x2e, 0x5348, 0x524d, 0xcaa, 0xcc2, 0xcb0, 0xccd, 0xcb5, 0xcbe, 0xcb9, 0xccd, 0xca8, 0xc624,
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+0xbbe, 0xbb2, 0xbc8, 0xc2a, 0xc42, 0xc30, 0xc4d, 0xc35, 0xc3e, 0xc39, 0xc4d, 0xc28, 0xc02, 0xe01, 0xe48, 0xe2d, 0xe19, 0xe40, 0xe17, 0xe35,
+0xe48, 0xe22, 0xe07, 0x1295, 0x1309, 0x1206, 0x20, 0x1230, 0x12d3, 0x1270, 0x434, 0x43f, 0x53, 0x41, 0xe0, 0xe1, 0x72, 0x1ecd, 0x300
+};
+
+static const ushort pm_data[] = {
+0x50, 0x4d, 0x6e, 0x6d, 0x2e, 0x4d, 0x44, 0x645, 0x535, 0x580, 0x2024, 0x985, 0x9aa, 0x985, 0x9aa, 0x9b0, 0x9be, 0x9b9, 0x9cd, 0x9a3,
+0x441, 0x43b, 0x2e, 0x20, 0x43e, 0x431, 0x2e, 0x43f, 0x430, 0x441, 0x43b, 0x44f, 0x20, 0x43f, 0x430, 0x43b, 0x443, 0x434, 0x43d, 0x44f,
+0x179b, 0x17d2, 0x1784, 0x17b6, 0x1785, 0x4e0b, 0x5348, 0x6f, 0x64, 0x70, 0x2e, 0x65, 0x2e, 0x6d, 0x2e, 0x70, 0x2e, 0x6d, 0x2e, 0x69,
+0x70, 0x2e, 0x6e, 0x61, 0x63, 0x68, 0x6d, 0x2e, 0x3bc, 0x2e, 0x3bc, 0x2e, 0xa89, 0xaa4, 0xacd, 0xaa4, 0xab0, 0xa0, 0xaae, 0xaa7,
+0xacd, 0xaaf, 0xabe, 0xab9, 0xacd, 0xaa8, 0x5d0, 0x5d7, 0x5d4, 0x22, 0x5e6, 0x905, 0x92a, 0x930, 0x93e, 0x939, 0x94d, 0x928, 0x64, 0x75,
+0x2e, 0x70, 0x2e, 0x5348, 0x5f8c, 0xc85, 0xcaa, 0xcb0, 0xcbe, 0xcb9, 0xccd, 0xca8, 0xc624, 0xd6c4, 0x70, 0x6f, 0x70, 0x69, 0x65, 0x74,
+0x57, 0x4e, 0x92e, 0x2e, 0x928, 0x902, 0x2e, 0x65, 0x74, 0x74, 0x65, 0x72, 0x6d, 0x69, 0x64, 0x64, 0x61, 0x67, 0x63a, 0x2e,
+0x648, 0x2e, 0x628, 0x639, 0x62f, 0x20, 0x627, 0x632, 0x20, 0x638, 0x647, 0x631, 0x44, 0x65, 0x70, 0x6f, 0x69, 0x73, 0x20, 0x64,
+0x6f, 0x20, 0x6d, 0x65, 0x69, 0x6f, 0x2d, 0x64, 0x69, 0x61, 0xa38, 0xa3c, 0xa3e, 0xa2e, 0x43f, 0x43e, 0x43f, 0x43e, 0x434, 0x43d,
+0x435, 0xdb4, 0x2e, 0xdc0, 0x2e, 0x67, 0x6e, 0x65, 0x6d, 0xbae, 0xbbe, 0xbb2, 0xbc8, 0xc05, 0xc2a, 0xc30, 0xc3e, 0xc39, 0xc4d, 0xc28,
+0xc02, 0xe2b, 0xe25, 0xe31, 0xe07, 0xe40, 0xe17, 0xe35, 0xe48, 0xe22, 0xe07, 0x12f5, 0x1215, 0x122d, 0x20, 0x1230, 0x12d3, 0x1275, 0x43f, 0x43f,
+0x43, 0x48, 0x1ecd, 0x300, 0x73, 0xe1, 0x6e
+};
+
+static const char language_name_list[] =
+"Default\0"
+"C\0"
+"Abkhazian\0"
+"Afan\0"
+"Afar\0"
+"Afrikaans\0"
+"Albanian\0"
+"Amharic\0"
+"Arabic\0"
+"Armenian\0"
+"Assamese\0"
+"Aymara\0"
+"Azerbaijani\0"
+"Bashkir\0"
+"Basque\0"
+"Bengali\0"
+"Bhutani\0"
+"Bihari\0"
+"Bislama\0"
+"Breton\0"
+"Bulgarian\0"
+"Burmese\0"
+"Byelorussian\0"
+"Cambodian\0"
+"Catalan\0"
+"Chinese\0"
+"Corsican\0"
+"Croatian\0"
+"Czech\0"
+"Danish\0"
+"Dutch\0"
+"English\0"
+"Esperanto\0"
+"Estonian\0"
+"Faroese\0"
+"Fiji\0"
+"Finnish\0"
+"French\0"
+"Frisian\0"
+"Gaelic\0"
+"Galician\0"
+"Georgian\0"
+"German\0"
+"Greek\0"
+"Greenlandic\0"
+"Guarani\0"
+"Gujarati\0"
+"Hausa\0"
+"Hebrew\0"
+"Hindi\0"
+"Hungarian\0"
+"Icelandic\0"
+"Indonesian\0"
+"Interlingua\0"
+"Interlingue\0"
+"Inuktitut\0"
+"Inupiak\0"
+"Irish\0"
+"Italian\0"
+"Japanese\0"
+"Javanese\0"
+"Kannada\0"
+"Kashmiri\0"
+"Kazakh\0"
+"Kinyarwanda\0"
+"Kirghiz\0"
+"Korean\0"
+"Kurdish\0"
+"Kurundi\0"
+"Laothian\0"
+"Latin\0"
+"Latvian\0"
+"Lingala\0"
+"Lithuanian\0"
+"Macedonian\0"
+"Malagasy\0"
+"Malay\0"
+"Malayalam\0"
+"Maltese\0"
+"Maori\0"
+"Marathi\0"
+"Moldavian\0"
+"Mongolian\0"
+"Nauru\0"
+"Nepali\0"
+"Norwegian\0"
+"Occitan\0"
+"Oriya\0"
+"Pashto\0"
+"Persian\0"
+"Polish\0"
+"Portuguese\0"
+"Punjabi\0"
+"Quechua\0"
+"RhaetoRomance\0"
+"Romanian\0"
+"Russian\0"
+"Samoan\0"
+"Sangho\0"
+"Sanskrit\0"
+"Serbian\0"
+"SerboCroatian\0"
+"Sesotho\0"
+"Setswana\0"
+"Shona\0"
+"Sindhi\0"
+"Singhalese\0"
+"Siswati\0"
+"Slovak\0"
+"Slovenian\0"
+"Somali\0"
+"Spanish\0"
+"Sundanese\0"
+"Swahili\0"
+"Swedish\0"
+"Tagalog\0"
+"Tajik\0"
+"Tamil\0"
+"Tatar\0"
+"Telugu\0"
+"Thai\0"
+"Tibetan\0"
+"Tigrinya\0"
+"Tonga\0"
+"Tsonga\0"
+"Turkish\0"
+"Turkmen\0"
+"Twi\0"
+"Uigur\0"
+"Ukrainian\0"
+"Urdu\0"
+"Uzbek\0"
+"Vietnamese\0"
+"Volapuk\0"
+"Welsh\0"
+"Wolof\0"
+"Xhosa\0"
+"Yiddish\0"
+"Yoruba\0"
+"Zhuang\0"
+"Zulu\0"
+"Nynorsk\0"
+"Bosnian\0"
+"Divehi\0"
+"Manx\0"
+"Cornish\0"
+"Akan\0"
+"Konkani\0"
+"Ga\0"
+"Igbo\0"
+"Kamba\0"
+"Syriac\0"
+"Blin\0"
+"Geez\0"
+"Koro\0"
+"Sidamo\0"
+"Atsam\0"
+"Tigre\0"
+"Jju\0"
+"Friulian\0"
+"Venda\0"
+"Ewe\0"
+"Walamo\0"
+"Hawaiian\0"
+"Tyap\0"
+"Chewa\0"
+;
+
+static const uint language_name_index[] = {
+     0, // Unused
+     8, // C
+    10, // Abkhazian
+    20, // Afan
+    25, // Afar
+    30, // Afrikaans
+    40, // Albanian
+    49, // Amharic
+    57, // Arabic
+    64, // Armenian
+    73, // Assamese
+    82, // Aymara
+    89, // Azerbaijani
+   101, // Bashkir
+   109, // Basque
+   116, // Bengali
+   124, // Bhutani
+   132, // Bihari
+   139, // Bislama
+   147, // Breton
+   154, // Bulgarian
+   164, // Burmese
+   172, // Byelorussian
+   185, // Cambodian
+   195, // Catalan
+   203, // Chinese
+   211, // Corsican
+   220, // Croatian
+   229, // Czech
+   235, // Danish
+   242, // Dutch
+   248, // English
+   256, // Esperanto
+   266, // Estonian
+   275, // Faroese
+   283, // Fiji
+   288, // Finnish
+   296, // French
+   303, // Frisian
+   311, // Gaelic
+   318, // Galician
+   327, // Georgian
+   336, // German
+   343, // Greek
+   349, // Greenlandic
+   361, // Guarani
+   369, // Gujarati
+   378, // Hausa
+   384, // Hebrew
+   391, // Hindi
+   397, // Hungarian
+   407, // Icelandic
+   417, // Indonesian
+   428, // Interlingua
+   440, // Interlingue
+   452, // Inuktitut
+   462, // Inupiak
+   470, // Irish
+   476, // Italian
+   484, // Japanese
+   493, // Javanese
+   502, // Kannada
+   510, // Kashmiri
+   519, // Kazakh
+   526, // Kinyarwanda
+   538, // Kirghiz
+   546, // Korean
+   553, // Kurdish
+   561, // Kurundi
+   569, // Laothian
+   578, // Latin
+   584, // Latvian
+   592, // Lingala
+   600, // Lithuanian
+   611, // Macedonian
+   622, // Malagasy
+   631, // Malay
+   637, // Malayalam
+   647, // Maltese
+   655, // Maori
+   661, // Marathi
+   669, // Moldavian
+   679, // Mongolian
+   689, // Nauru
+   695, // Nepali
+   702, // Norwegian
+   712, // Occitan
+   720, // Oriya
+   726, // Pashto
+   733, // Persian
+   741, // Polish
+   748, // Portuguese
+   759, // Punjabi
+   767, // Quechua
+   775, // RhaetoRomance
+   789, // Romanian
+   798, // Russian
+   806, // Samoan
+   813, // Sangho
+   820, // Sanskrit
+   829, // Serbian
+   837, // SerboCroatian
+   851, // Sesotho
+   859, // Setswana
+   868, // Shona
+   874, // Sindhi
+   881, // Singhalese
+   892, // Siswati
+   900, // Slovak
+   907, // Slovenian
+   917, // Somali
+   924, // Spanish
+   932, // Sundanese
+   942, // Swahili
+   950, // Swedish
+   958, // Tagalog
+   966, // Tajik
+   972, // Tamil
+   978, // Tatar
+   984, // Telugu
+   991, // Thai
+   996, // Tibetan
+  1004, // Tigrinya
+  1013, // Tonga
+  1019, // Tsonga
+  1026, // Turkish
+  1034, // Turkmen
+  1042, // Twi
+  1046, // Uigur
+  1052, // Ukrainian
+  1062, // Urdu
+  1067, // Uzbek
+  1073, // Vietnamese
+  1084, // Volapuk
+  1092, // Welsh
+  1098, // Wolof
+  1104, // Xhosa
+  1110, // Yiddish
+  1118, // Yoruba
+  1125, // Zhuang
+  1132, // Zulu
+  1137, // Nynorsk
+  1145, // Bosnian
+  1153, // Divehi
+  1160, // Manx
+  1165, // Cornish
+  1173, // Akan
+  1178, // Konkani
+  1186, // Ga
+  1189, // Igbo
+  1194, // Kamba
+  1200, // Syriac
+  1207, // Blin
+  1212, // Geez
+  1217, // Koro
+  1222, // Sidamo
+  1229, // Atsam
+  1235, // Tigre
+  1241, // Jju
+  1245, // Friulian
+  1254, // Venda
+  1260, // Ewe
+  1264, // Walamo
+  1271, // Hawaiian
+  1280, // Tyap
+  1285, // Chewa
+};
+
+static const char country_name_list[] =
+"Default\0"
+"Afghanistan\0"
+"Albania\0"
+"Algeria\0"
+"AmericanSamoa\0"
+"Andorra\0"
+"Angola\0"
+"Anguilla\0"
+"Antarctica\0"
+"AntiguaAndBarbuda\0"
+"Argentina\0"
+"Armenia\0"
+"Aruba\0"
+"Australia\0"
+"Austria\0"
+"Azerbaijan\0"
+"Bahamas\0"
+"Bahrain\0"
+"Bangladesh\0"
+"Barbados\0"
+"Belarus\0"
+"Belgium\0"
+"Belize\0"
+"Benin\0"
+"Bermuda\0"
+"Bhutan\0"
+"Bolivia\0"
+"BosniaAndHerzegowina\0"
+"Botswana\0"
+"BouvetIsland\0"
+"Brazil\0"
+"BritishIndianOceanTerritory\0"
+"BruneiDarussalam\0"
+"Bulgaria\0"
+"BurkinaFaso\0"
+"Burundi\0"
+"Cambodia\0"
+"Cameroon\0"
+"Canada\0"
+"CapeVerde\0"
+"CaymanIslands\0"
+"CentralAfricanRepublic\0"
+"Chad\0"
+"Chile\0"
+"China\0"
+"ChristmasIsland\0"
+"CocosIslands\0"
+"Colombia\0"
+"Comoros\0"
+"DemocraticRepublicOfCongo\0"
+"PeoplesRepublicOfCongo\0"
+"CookIslands\0"
+"CostaRica\0"
+"IvoryCoast\0"
+"Croatia\0"
+"Cuba\0"
+"Cyprus\0"
+"CzechRepublic\0"
+"Denmark\0"
+"Djibouti\0"
+"Dominica\0"
+"DominicanRepublic\0"
+"EastTimor\0"
+"Ecuador\0"
+"Egypt\0"
+"ElSalvador\0"
+"EquatorialGuinea\0"
+"Eritrea\0"
+"Estonia\0"
+"Ethiopia\0"
+"FalklandIslands\0"
+"FaroeIslands\0"
+"Fiji\0"
+"Finland\0"
+"France\0"
+"MetropolitanFrance\0"
+"FrenchGuiana\0"
+"FrenchPolynesia\0"
+"FrenchSouthernTerritories\0"
+"Gabon\0"
+"Gambia\0"
+"Georgia\0"
+"Germany\0"
+"Ghana\0"
+"Gibraltar\0"
+"Greece\0"
+"Greenland\0"
+"Grenada\0"
+"Guadeloupe\0"
+"Guam\0"
+"Guatemala\0"
+"Guinea\0"
+"GuineaBissau\0"
+"Guyana\0"
+"Haiti\0"
+"HeardAndMcDonaldIslands\0"
+"Honduras\0"
+"HongKong\0"
+"Hungary\0"
+"Iceland\0"
+"India\0"
+"Indonesia\0"
+"Iran\0"
+"Iraq\0"
+"Ireland\0"
+"Israel\0"
+"Italy\0"
+"Jamaica\0"
+"Japan\0"
+"Jordan\0"
+"Kazakhstan\0"
+"Kenya\0"
+"Kiribati\0"
+"DemocraticRepublicOfKorea\0"
+"RepublicOfKorea\0"
+"Kuwait\0"
+"Kyrgyzstan\0"
+"Lao\0"
+"Latvia\0"
+"Lebanon\0"
+"Lesotho\0"
+"Liberia\0"
+"LibyanArabJamahiriya\0"
+"Liechtenstein\0"
+"Lithuania\0"
+"Luxembourg\0"
+"Macau\0"
+"Macedonia\0"
+"Madagascar\0"
+"Malawi\0"
+"Malaysia\0"
+"Maldives\0"
+"Mali\0"
+"Malta\0"
+"MarshallIslands\0"
+"Martinique\0"
+"Mauritania\0"
+"Mauritius\0"
+"Mayotte\0"
+"Mexico\0"
+"Micronesia\0"
+"Moldova\0"
+"Monaco\0"
+"Mongolia\0"
+"Montserrat\0"
+"Morocco\0"
+"Mozambique\0"
+"Myanmar\0"
+"Namibia\0"
+"Nauru\0"
+"Nepal\0"
+"Netherlands\0"
+"NetherlandsAntilles\0"
+"NewCaledonia\0"
+"NewZealand\0"
+"Nicaragua\0"
+"Niger\0"
+"Nigeria\0"
+"Niue\0"
+"NorfolkIsland\0"
+"NorthernMarianaIslands\0"
+"Norway\0"
+"Oman\0"
+"Pakistan\0"
+"Palau\0"
+"PalestinianTerritory\0"
+"Panama\0"
+"PapuaNewGuinea\0"
+"Paraguay\0"
+"Peru\0"
+"Philippines\0"
+"Pitcairn\0"
+"Poland\0"
+"Portugal\0"
+"PuertoRico\0"
+"Qatar\0"
+"Reunion\0"
+"Romania\0"
+"RussianFederation\0"
+"Rwanda\0"
+"SaintKittsAndNevis\0"
+"StLucia\0"
+"StVincentAndTheGrenadines\0"
+"Samoa\0"
+"SanMarino\0"
+"SaoTomeAndPrincipe\0"
+"SaudiArabia\0"
+"Senegal\0"
+"Seychelles\0"
+"SierraLeone\0"
+"Singapore\0"
+"Slovakia\0"
+"Slovenia\0"
+"SolomonIslands\0"
+"Somalia\0"
+"SouthAfrica\0"
+"SouthGeorgiaAndTheSouthSandwichIslands\0"
+"Spain\0"
+"SriLanka\0"
+"StHelena\0"
+"StPierreAndMiquelon\0"
+"Sudan\0"
+"Suriname\0"
+"SvalbardAndJanMayenIslands\0"
+"Swaziland\0"
+"Sweden\0"
+"Switzerland\0"
+"SyrianArabRepublic\0"
+"Taiwan\0"
+"Tajikistan\0"
+"Tanzania\0"
+"Thailand\0"
+"Togo\0"
+"Tokelau\0"
+"Tonga\0"
+"TrinidadAndTobago\0"
+"Tunisia\0"
+"Turkey\0"
+"Turkmenistan\0"
+"TurksAndCaicosIslands\0"
+"Tuvalu\0"
+"Uganda\0"
+"Ukraine\0"
+"UnitedArabEmirates\0"
+"UnitedKingdom\0"
+"UnitedStates\0"
+"UnitedStatesMinorOutlyingIslands\0"
+"Uruguay\0"
+"Uzbekistan\0"
+"Vanuatu\0"
+"VaticanCityState\0"
+"Venezuela\0"
+"VietNam\0"
+"BritishVirginIslands\0"
+"USVirginIslands\0"
+"WallisAndFutunaIslands\0"
+"WesternSahara\0"
+"Yemen\0"
+"Yugoslavia\0"
+"Zambia\0"
+"Zimbabwe\0"
+"SerbiaAndMontenegro\0"
+;
+
+static const uint country_name_index[] = {
+     0, // AnyCountry
+     8, // Afghanistan
+    20, // Albania
+    28, // Algeria
+    36, // AmericanSamoa
+    50, // Andorra
+    58, // Angola
+    65, // Anguilla
+    74, // Antarctica
+    85, // AntiguaAndBarbuda
+   103, // Argentina
+   113, // Armenia
+   121, // Aruba
+   127, // Australia
+   137, // Austria
+   145, // Azerbaijan
+   156, // Bahamas
+   164, // Bahrain
+   172, // Bangladesh
+   183, // Barbados
+   192, // Belarus
+   200, // Belgium
+   208, // Belize
+   215, // Benin
+   221, // Bermuda
+   229, // Bhutan
+   236, // Bolivia
+   244, // BosniaAndHerzegowina
+   265, // Botswana
+   274, // BouvetIsland
+   287, // Brazil
+   294, // BritishIndianOceanTerritory
+   322, // BruneiDarussalam
+   339, // Bulgaria
+   348, // BurkinaFaso
+   360, // Burundi
+   368, // Cambodia
+   377, // Cameroon
+   386, // Canada
+   393, // CapeVerde
+   403, // CaymanIslands
+   417, // CentralAfricanRepublic
+   440, // Chad
+   445, // Chile
+   451, // China
+   457, // ChristmasIsland
+   473, // CocosIslands
+   486, // Colombia
+   495, // Comoros
+   503, // DemocraticRepublicOfCongo
+   529, // PeoplesRepublicOfCongo
+   552, // CookIslands
+   564, // CostaRica
+   574, // IvoryCoast
+   585, // Croatia
+   593, // Cuba
+   598, // Cyprus
+   605, // CzechRepublic
+   619, // Denmark
+   627, // Djibouti
+   636, // Dominica
+   645, // DominicanRepublic
+   663, // EastTimor
+   673, // Ecuador
+   681, // Egypt
+   687, // ElSalvador
+   698, // EquatorialGuinea
+   715, // Eritrea
+   723, // Estonia
+   731, // Ethiopia
+   740, // FalklandIslands
+   756, // FaroeIslands
+   769, // Fiji
+   774, // Finland
+   782, // France
+   789, // MetropolitanFrance
+   808, // FrenchGuiana
+   821, // FrenchPolynesia
+   837, // FrenchSouthernTerritories
+   863, // Gabon
+   869, // Gambia
+   876, // Georgia
+   884, // Germany
+   892, // Ghana
+   898, // Gibraltar
+   908, // Greece
+   915, // Greenland
+   925, // Grenada
+   933, // Guadeloupe
+   944, // Guam
+   949, // Guatemala
+   959, // Guinea
+   966, // GuineaBissau
+   979, // Guyana
+   986, // Haiti
+   992, // HeardAndMcDonaldIslands
+  1016, // Honduras
+  1025, // HongKong
+  1034, // Hungary
+  1042, // Iceland
+  1050, // India
+  1056, // Indonesia
+  1066, // Iran
+  1071, // Iraq
+  1076, // Ireland
+  1084, // Israel
+  1091, // Italy
+  1097, // Jamaica
+  1105, // Japan
+  1111, // Jordan
+  1118, // Kazakhstan
+  1129, // Kenya
+  1135, // Kiribati
+  1144, // DemocraticRepublicOfKorea
+  1170, // RepublicOfKorea
+  1186, // Kuwait
+  1193, // Kyrgyzstan
+  1204, // Lao
+  1208, // Latvia
+  1215, // Lebanon
+  1223, // Lesotho
+  1231, // Liberia
+  1239, // LibyanArabJamahiriya
+  1260, // Liechtenstein
+  1274, // Lithuania
+  1284, // Luxembourg
+  1295, // Macau
+  1301, // Macedonia
+  1311, // Madagascar
+  1322, // Malawi
+  1329, // Malaysia
+  1338, // Maldives
+  1347, // Mali
+  1352, // Malta
+  1358, // MarshallIslands
+  1374, // Martinique
+  1385, // Mauritania
+  1396, // Mauritius
+  1406, // Mayotte
+  1414, // Mexico
+  1421, // Micronesia
+  1432, // Moldova
+  1440, // Monaco
+  1447, // Mongolia
+  1456, // Montserrat
+  1467, // Morocco
+  1475, // Mozambique
+  1486, // Myanmar
+  1494, // Namibia
+  1502, // Nauru
+  1508, // Nepal
+  1514, // Netherlands
+  1526, // NetherlandsAntilles
+  1546, // NewCaledonia
+  1559, // NewZealand
+  1570, // Nicaragua
+  1580, // Niger
+  1586, // Nigeria
+  1594, // Niue
+  1599, // NorfolkIsland
+  1613, // NorthernMarianaIslands
+  1636, // Norway
+  1643, // Oman
+  1648, // Pakistan
+  1657, // Palau
+  1663, // PalestinianTerritory
+  1684, // Panama
+  1691, // PapuaNewGuinea
+  1706, // Paraguay
+  1715, // Peru
+  1720, // Philippines
+  1732, // Pitcairn
+  1741, // Poland
+  1748, // Portugal
+  1757, // PuertoRico
+  1768, // Qatar
+  1774, // Reunion
+  1782, // Romania
+  1790, // RussianFederation
+  1808, // Rwanda
+  1815, // SaintKittsAndNevis
+  1834, // StLucia
+  1842, // StVincentAndTheGrenadines
+  1868, // Samoa
+  1874, // SanMarino
+  1884, // SaoTomeAndPrincipe
+  1903, // SaudiArabia
+  1915, // Senegal
+  1923, // Seychelles
+  1934, // SierraLeone
+  1946, // Singapore
+  1956, // Slovakia
+  1965, // Slovenia
+  1974, // SolomonIslands
+  1989, // Somalia
+  1997, // SouthAfrica
+  2009, // SouthGeorgiaAndTheSouthSandwichIslands
+  2048, // Spain
+  2054, // SriLanka
+  2063, // StHelena
+  2072, // StPierreAndMiquelon
+  2092, // Sudan
+  2098, // Suriname
+  2107, // SvalbardAndJanMayenIslands
+  2134, // Swaziland
+  2144, // Sweden
+  2151, // Switzerland
+  2163, // SyrianArabRepublic
+  2182, // Taiwan
+  2189, // Tajikistan
+  2200, // Tanzania
+  2209, // Thailand
+  2218, // Togo
+  2223, // Tokelau
+  2231, // Tonga
+  2237, // TrinidadAndTobago
+  2255, // Tunisia
+  2263, // Turkey
+  2270, // Turkmenistan
+  2283, // TurksAndCaicosIslands
+  2305, // Tuvalu
+  2312, // Uganda
+  2319, // Ukraine
+  2327, // UnitedArabEmirates
+  2346, // UnitedKingdom
+  2360, // UnitedStates
+  2373, // UnitedStatesMinorOutlyingIslands
+  2406, // Uruguay
+  2414, // Uzbekistan
+  2425, // Vanuatu
+  2433, // VaticanCityState
+  2450, // Venezuela
+  2460, // VietNam
+  2468, // BritishVirginIslands
+  2489, // USVirginIslands
+  2505, // WallisAndFutunaIslands
+  2528, // WesternSahara
+  2542, // Yemen
+  2548, // Yugoslavia
+  2559, // Zambia
+  2566, // Zimbabwe
+  2575, // SerbiaAndMontenegro
+};
+
+static const unsigned char language_code_list[] =
+"  \0" // Unused
+"  \0" // C
+"ab\0" // Abkhazian
+"om\0" // Afan
+"aa\0" // Afar
+"af\0" // Afrikaans
+"sq\0" // Albanian
+"am\0" // Amharic
+"ar\0" // Arabic
+"hy\0" // Armenian
+"as\0" // Assamese
+"ay\0" // Aymara
+"az\0" // Azerbaijani
+"ba\0" // Bashkir
+"eu\0" // Basque
+"bn\0" // Bengali
+"dz\0" // Bhutani
+"bh\0" // Bihari
+"bi\0" // Bislama
+"br\0" // Breton
+"bg\0" // Bulgarian
+"my\0" // Burmese
+"be\0" // Byelorussian
+"km\0" // Cambodian
+"ca\0" // Catalan
+"zh\0" // Chinese
+"co\0" // Corsican
+"hr\0" // Croatian
+"cs\0" // Czech
+"da\0" // Danish
+"nl\0" // Dutch
+"en\0" // English
+"eo\0" // Esperanto
+"et\0" // Estonian
+"fo\0" // Faroese
+"fj\0" // Fiji
+"fi\0" // Finnish
+"fr\0" // French
+"fy\0" // Frisian
+"gd\0" // Gaelic
+"gl\0" // Galician
+"ka\0" // Georgian
+"de\0" // German
+"el\0" // Greek
+"kl\0" // Greenlandic
+"gn\0" // Guarani
+"gu\0" // Gujarati
+"ha\0" // Hausa
+"he\0" // Hebrew
+"hi\0" // Hindi
+"hu\0" // Hungarian
+"is\0" // Icelandic
+"id\0" // Indonesian
+"ia\0" // Interlingua
+"ie\0" // Interlingue
+"iu\0" // Inuktitut
+"ik\0" // Inupiak
+"ga\0" // Irish
+"it\0" // Italian
+"ja\0" // Japanese
+"jv\0" // Javanese
+"kn\0" // Kannada
+"ks\0" // Kashmiri
+"kk\0" // Kazakh
+"rw\0" // Kinyarwanda
+"ky\0" // Kirghiz
+"ko\0" // Korean
+"ku\0" // Kurdish
+"rn\0" // Kurundi
+"lo\0" // Laothian
+"la\0" // Latin
+"lv\0" // Latvian
+"ln\0" // Lingala
+"lt\0" // Lithuanian
+"mk\0" // Macedonian
+"mg\0" // Malagasy
+"ms\0" // Malay
+"ml\0" // Malayalam
+"mt\0" // Maltese
+"mi\0" // Maori
+"mr\0" // Marathi
+"mo\0" // Moldavian
+"mn\0" // Mongolian
+"na\0" // Nauru
+"ne\0" // Nepali
+"nb\0" // Norwegian
+"oc\0" // Occitan
+"or\0" // Oriya
+"ps\0" // Pashto
+"fa\0" // Persian
+"pl\0" // Polish
+"pt\0" // Portuguese
+"pa\0" // Punjabi
+"qu\0" // Quechua
+"rm\0" // RhaetoRomance
+"ro\0" // Romanian
+"ru\0" // Russian
+"sm\0" // Samoan
+"sg\0" // Sangho
+"sa\0" // Sanskrit
+"sr\0" // Serbian
+"sh\0" // SerboCroatian
+"st\0" // Sesotho
+"tn\0" // Setswana
+"sn\0" // Shona
+"sd\0" // Sindhi
+"si\0" // Singhalese
+"ss\0" // Siswati
+"sk\0" // Slovak
+"sl\0" // Slovenian
+"so\0" // Somali
+"es\0" // Spanish
+"su\0" // Sundanese
+"sw\0" // Swahili
+"sv\0" // Swedish
+"tl\0" // Tagalog
+"tg\0" // Tajik
+"ta\0" // Tamil
+"tt\0" // Tatar
+"te\0" // Telugu
+"th\0" // Thai
+"bo\0" // Tibetan
+"ti\0" // Tigrinya
+"to\0" // Tonga
+"ts\0" // Tsonga
+"tr\0" // Turkish
+"tk\0" // Turkmen
+"tw\0" // Twi
+"ug\0" // Uigur
+"uk\0" // Ukrainian
+"ur\0" // Urdu
+"uz\0" // Uzbek
+"vi\0" // Vietnamese
+"vo\0" // Volapuk
+"cy\0" // Welsh
+"wo\0" // Wolof
+"xh\0" // Xhosa
+"yi\0" // Yiddish
+"yo\0" // Yoruba
+"za\0" // Zhuang
+"zu\0" // Zulu
+"nn\0" // Nynorsk
+"bs\0" // Bosnian
+"dv\0" // Divehi
+"gv\0" // Manx
+"kw\0" // Cornish
+"ak\0" // Akan
+"kok" // Konkani
+"gaa" // Ga
+"ig\0" // Igbo
+"kam" // Kamba
+"syr" // Syriac
+"byn" // Blin
+"gez" // Geez
+"kfo" // Koro
+"sid" // Sidamo
+"cch" // Atsam
+"tig" // Tigre
+"kaj" // Jju
+"fur" // Friulian
+"ve\0" // Venda
+"ee\0" // Ewe
+"wa\0" // Walamo
+"haw" // Hawaiian
+"kcg" // Tyap
+"ny\0" // Chewa
+;
+
+static const unsigned char country_code_list[] =
+"  " // AnyCountry
+"AF" // Afghanistan
+"AL" // Albania
+"DZ" // Algeria
+"AS" // AmericanSamoa
+"AD" // Andorra
+"AO" // Angola
+"AI" // Anguilla
+"AQ" // Antarctica
+"AG" // AntiguaAndBarbuda
+"AR" // Argentina
+"AM" // Armenia
+"AW" // Aruba
+"AU" // Australia
+"AT" // Austria
+"AZ" // Azerbaijan
+"BS" // Bahamas
+"BH" // Bahrain
+"BD" // Bangladesh
+"BB" // Barbados
+"BY" // Belarus
+"BE" // Belgium
+"BZ" // Belize
+"BJ" // Benin
+"BM" // Bermuda
+"BT" // Bhutan
+"BO" // Bolivia
+"BA" // BosniaAndHerzegowina
+"BW" // Botswana
+"BV" // BouvetIsland
+"BR" // Brazil
+"IO" // BritishIndianOceanTerritory
+"BN" // BruneiDarussalam
+"BG" // Bulgaria
+"BF" // BurkinaFaso
+"BI" // Burundi
+"KH" // Cambodia
+"CM" // Cameroon
+"CA" // Canada
+"CV" // CapeVerde
+"KY" // CaymanIslands
+"CF" // CentralAfricanRepublic
+"TD" // Chad
+"CL" // Chile
+"CN" // China
+"CX" // ChristmasIsland
+"CC" // CocosIslands
+"CO" // Colombia
+"KM" // Comoros
+"CD" // DemocraticRepublicOfCongo
+"CG" // PeoplesRepublicOfCongo
+"CK" // CookIslands
+"CR" // CostaRica
+"CI" // IvoryCoast
+"HR" // Croatia
+"CU" // Cuba
+"CY" // Cyprus
+"CZ" // CzechRepublic
+"DK" // Denmark
+"DJ" // Djibouti
+"DM" // Dominica
+"DO" // DominicanRepublic
+"TL" // EastTimor
+"EC" // Ecuador
+"EG" // Egypt
+"SV" // ElSalvador
+"GQ" // EquatorialGuinea
+"ER" // Eritrea
+"EE" // Estonia
+"ET" // Ethiopia
+"FK" // FalklandIslands
+"FO" // FaroeIslands
+"FJ" // Fiji
+"FI" // Finland
+"FR" // France
+"FX" // MetropolitanFrance
+"GF" // FrenchGuiana
+"PF" // FrenchPolynesia
+"TF" // FrenchSouthernTerritories
+"GA" // Gabon
+"GM" // Gambia
+"GE" // Georgia
+"DE" // Germany
+"GH" // Ghana
+"GI" // Gibraltar
+"GR" // Greece
+"GL" // Greenland
+"GD" // Grenada
+"GP" // Guadeloupe
+"GU" // Guam
+"GT" // Guatemala
+"GN" // Guinea
+"GW" // GuineaBissau
+"GY" // Guyana
+"HT" // Haiti
+"HM" // HeardAndMcDonaldIslands
+"HN" // Honduras
+"HK" // HongKong
+"HU" // Hungary
+"IS" // Iceland
+"IN" // India
+"ID" // Indonesia
+"IR" // Iran
+"IQ" // Iraq
+"IE" // Ireland
+"IL" // Israel
+"IT" // Italy
+"JM" // Jamaica
+"JP" // Japan
+"JO" // Jordan
+"KZ" // Kazakhstan
+"KE" // Kenya
+"KI" // Kiribati
+"KP" // DemocraticRepublicOfKorea
+"KR" // RepublicOfKorea
+"KW" // Kuwait
+"KG" // Kyrgyzstan
+"LA" // Lao
+"LV" // Latvia
+"LB" // Lebanon
+"LS" // Lesotho
+"LR" // Liberia
+"LY" // LibyanArabJamahiriya
+"LI" // Liechtenstein
+"LT" // Lithuania
+"LU" // Luxembourg
+"MO" // Macau
+"MK" // Macedonia
+"MG" // Madagascar
+"MW" // Malawi
+"MY" // Malaysia
+"MV" // Maldives
+"ML" // Mali
+"MT" // Malta
+"MH" // MarshallIslands
+"MQ" // Martinique
+"MR" // Mauritania
+"MU" // Mauritius
+"YT" // Mayotte
+"MX" // Mexico
+"FM" // Micronesia
+"MD" // Moldova
+"MC" // Monaco
+"MN" // Mongolia
+"MS" // Montserrat
+"MA" // Morocco
+"MZ" // Mozambique
+"MM" // Myanmar
+"NA" // Namibia
+"NR" // Nauru
+"NP" // Nepal
+"NL" // Netherlands
+"AN" // NetherlandsAntilles
+"NC" // NewCaledonia
+"NZ" // NewZealand
+"NI" // Nicaragua
+"NE" // Niger
+"NG" // Nigeria
+"NU" // Niue
+"NF" // NorfolkIsland
+"MP" // NorthernMarianaIslands
+"NO" // Norway
+"OM" // Oman
+"PK" // Pakistan
+"PW" // Palau
+"PS" // PalestinianTerritory
+"PA" // Panama
+"PG" // PapuaNewGuinea
+"PY" // Paraguay
+"PE" // Peru
+"PH" // Philippines
+"PN" // Pitcairn
+"PL" // Poland
+"PT" // Portugal
+"PR" // PuertoRico
+"QA" // Qatar
+"RE" // Reunion
+"RO" // Romania
+"RU" // RussianFederation
+"RW" // Rwanda
+"KN" // SaintKittsAndNevis
+"LC" // StLucia
+"VC" // StVincentAndTheGrenadines
+"WS" // Samoa
+"SM" // SanMarino
+"ST" // SaoTomeAndPrincipe
+"SA" // SaudiArabia
+"SN" // Senegal
+"SC" // Seychelles
+"SL" // SierraLeone
+"SG" // Singapore
+"SK" // Slovakia
+"SI" // Slovenia
+"SB" // SolomonIslands
+"SO" // Somalia
+"ZA" // SouthAfrica
+"GS" // SouthGeorgiaAndTheSouthSandwichIslands
+"ES" // Spain
+"LK" // SriLanka
+"SH" // StHelena
+"PM" // StPierreAndMiquelon
+"SD" // Sudan
+"SR" // Suriname
+"SJ" // SvalbardAndJanMayenIslands
+"SZ" // Swaziland
+"SE" // Sweden
+"CH" // Switzerland
+"SY" // SyrianArabRepublic
+"TW" // Taiwan
+"TJ" // Tajikistan
+"TZ" // Tanzania
+"TH" // Thailand
+"TG" // Togo
+"TK" // Tokelau
+"TO" // Tonga
+"TT" // TrinidadAndTobago
+"TN" // Tunisia
+"TR" // Turkey
+"TM" // Turkmenistan
+"TC" // TurksAndCaicosIslands
+"TV" // Tuvalu
+"UG" // Uganda
+"UA" // Ukraine
+"AE" // UnitedArabEmirates
+"GB" // UnitedKingdom
+"US" // UnitedStates
+"UM" // UnitedStatesMinorOutlyingIslands
+"UY" // Uruguay
+"UZ" // Uzbekistan
+"VU" // Vanuatu
+"VA" // VaticanCityState
+"VE" // Venezuela
+"VN" // VietNam
+"VG" // BritishVirginIslands
+"VI" // USVirginIslands
+"WF" // WallisAndFutunaIslands
+"EH" // WesternSahara
+"YE" // Yemen
+"YU" // Yugoslavia
+"ZM" // Zambia
+"ZW" // Zimbabwe
+"CS" // SerbiaAndMontenegro
+;
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/tools/qlocale_p.h b/src/corelib/tools/qlocale_p.h
new file mode 100644
index 0000000000..9d36a831cb
--- /dev/null
+++ b/src/corelib/tools/qlocale_p.h
@@ -0,0 +1,206 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLOCALE_P_H
+#define QLOCALE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of internal files.  This header file may change from version to version
+// without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qstring.h"
+#include "QtCore/qvarlengtharray.h"
+
+#include "qlocale.h"
+
+QT_BEGIN_NAMESPACE
+
+struct Q_CORE_EXPORT QLocalePrivate
+{
+public:
+    QChar decimal() const { return QChar(m_decimal); }
+    QChar group() const { return QChar(m_group); }
+    QChar list() const { return QChar(m_list); }
+    QChar percent() const { return QChar(m_percent); }
+    QChar zero() const { return QChar(m_zero); }
+    QChar plus() const { return QChar(m_plus); }
+    QChar minus() const { return QChar(m_minus); }
+    QChar exponential() const { return QChar(m_exponential); }
+
+    quint32 languageId() const { return m_language_id; }
+    quint32 countryId() const { return m_country_id; }
+
+    QLocale::MeasurementSystem measurementSystem() const;
+
+    enum DoubleForm {
+        DFExponent = 0,
+        DFDecimal,
+        DFSignificantDigits,
+        _DFMax = DFSignificantDigits
+    };
+
+    enum Flags {
+        NoFlags             = 0,
+        Alternate           = 0x01,
+        ZeroPadded          = 0x02,
+        LeftAdjusted        = 0x04,
+        BlankBeforePositive = 0x08,
+        AlwaysShowSign      = 0x10,
+        ThousandsGroup      = 0x20,
+        CapitalEorX         = 0x40,
+
+        ShowBase            = 0x80,
+        UppercaseBase       = 0x100,
+        ForcePoint          = Alternate,
+    };
+
+    enum GroupSeparatorMode {
+        FailOnGroupSeparators,
+        ParseGroupSeparators
+    };
+
+    QString doubleToString(double d,
+                           int precision = -1,
+                           DoubleForm form = DFSignificantDigits,
+                           int width = -1,
+                           unsigned flags = NoFlags) const;
+    QString longLongToString(qint64 l, int precision = -1,
+                             int base = 10,
+                             int width = -1,
+                             unsigned flags = NoFlags) const;
+    QString unsLongLongToString(quint64 l, int precision = -1,
+                                int base = 10,
+                                int width = -1,
+                                unsigned flags = NoFlags) const;
+    double stringToDouble(const QString &num, bool *ok, GroupSeparatorMode group_sep_mode) const;
+    qint64 stringToLongLong(const QString &num, int base, bool *ok, GroupSeparatorMode group_sep_mode) const;
+    quint64 stringToUnsLongLong(const QString &num, int base, bool *ok, GroupSeparatorMode group_sep_mode) const;
+
+
+    static double bytearrayToDouble(const char *num, bool *ok, bool *overflow = 0);
+    static qint64 bytearrayToLongLong(const char *num, int base, bool *ok, bool *overflow = 0);
+    static quint64 bytearrayToUnsLongLong(const char *num, int base, bool *ok);
+
+    typedef QVarLengthArray<char, 256> CharBuff;
+    bool numberToCLocale(const QString &num,
+    	    	    	  GroupSeparatorMode group_sep_mode,
+                          CharBuff *result) const;
+    inline char digitToCLocale(const QChar &c) const;
+
+    static void updateSystemPrivate();
+
+    enum NumberMode { IntegerMode, DoubleStandardMode, DoubleScientificMode };
+    bool validateChars(const QString &str, NumberMode numMode, QByteArray *buff, int decDigits = -1) const;
+
+    QString dateTimeToString(const QString &format, const QDate *date, const QTime *time,
+                             const QLocale *q) const;
+
+    quint32 m_language_id, m_country_id;
+
+    quint16 m_decimal, m_group, m_list, m_percent,
+        m_zero, m_minus, m_plus, m_exponential;
+
+    quint32 m_short_date_format_idx, m_short_date_format_size;
+    quint32 m_long_date_format_idx, m_long_date_format_size;
+    quint32 m_short_time_format_idx, m_short_time_format_size;
+    quint32 m_long_time_format_idx, m_long_time_format_size;
+    quint32 m_standalone_short_month_names_idx, m_standalone_short_month_names_size;
+    quint32 m_standalone_long_month_names_idx, m_standalone_long_month_names_size;
+    quint32 m_standalone_narrow_month_names_idx, m_standalone_narrow_month_names_size;
+    quint32 m_short_month_names_idx, m_short_month_names_size;
+    quint32 m_long_month_names_idx, m_long_month_names_size;
+    quint32 m_narrow_month_names_idx, m_narrow_month_names_size;
+    quint32 m_standalone_short_day_names_idx, m_standalone_short_day_names_size;
+    quint32 m_standalone_long_day_names_idx, m_standalone_long_day_names_size;
+    quint32 m_standalone_narrow_day_names_idx, m_standalone_narrow_day_names_size;
+    quint32 m_short_day_names_idx, m_short_day_names_size;
+    quint32 m_long_day_names_idx, m_long_day_names_size;
+    quint32 m_narrow_day_names_idx, m_narrow_day_names_size;
+    quint32 m_am_idx, m_am_size;
+    quint32 m_pm_idx, m_pm_size;
+};
+
+inline char QLocalePrivate::digitToCLocale(const QChar &in) const
+{
+    const QChar _zero = zero();
+    const QChar _group = group();
+    const ushort zeroUnicode = _zero.unicode();
+    const ushort tenUnicode = zeroUnicode + 10;
+
+    if (in.unicode() >= zeroUnicode && in.unicode() < tenUnicode)
+        return '0' + in.unicode() - zeroUnicode;
+
+    if (in.unicode() >= '0' && in.unicode() <= '9')
+        return in.toLatin1();
+
+    if (in == plus())
+        return '+';
+
+    if (in == minus())
+        return '-';
+
+    if (in == decimal())
+        return '.';
+
+    if (in == group())
+        return ',';
+
+    if (in == exponential() || in == exponential().toUpper())
+        return 'e';
+
+    // In several languages group() is the char 0xA0, which looks like a space.
+    // People use a regular space instead of it and complain it doesn't work.
+    if (_group.unicode() == 0xA0 && in.unicode() == ' ')
+        return ',';
+
+    return 0;
+}
+
+QT_END_NAMESPACE
+
+#endif // QLOCALE_P_H
diff --git a/src/corelib/tools/qmap.cpp b/src/corelib/tools/qmap.cpp
new file mode 100644
index 0000000000..0699400796
--- /dev/null
+++ b/src/corelib/tools/qmap.cpp
@@ -0,0 +1,1588 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmap.h"
+
+#include <stdlib.h>
+
+#ifdef QT_QMAP_DEBUG
+# include <qstring.h>
+# include <qvector.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+QMapData QMapData::shared_null = {
+    &shared_null,
+    { &shared_null, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+    Q_BASIC_ATOMIC_INITIALIZER(1), 0, 0, 0, false, true
+};
+
+QMapData *QMapData::createData()
+{
+    QMapData *d = new QMapData;
+    Node *e = reinterpret_cast<Node *>(d);
+    e->backward = e;
+    e->forward[0] = e;
+    d->ref = 1;
+    d->topLevel = 0;
+    d->size = 0;
+    d->randomBits = 0;
+    d->insertInOrder = false;
+    d->sharable = true;
+    return d;
+}
+
+void QMapData::continueFreeData(int offset)
+{
+    Node *e = reinterpret_cast<Node *>(this);
+    Node *cur = e->forward[0];
+    Node *prev;
+    while (cur != e) {
+        prev = cur;
+        cur = cur->forward[0];
+        qFree(reinterpret_cast<char *>(prev) - offset);
+    }
+    delete this;
+}
+
+QMapData::Node *QMapData::node_create(Node *update[], int offset)
+{
+    int level = 0;
+    uint mask = (1 << Sparseness) - 1;
+
+    while ((randomBits & mask) == mask && level < LastLevel) {
+        ++level;
+        mask <<= Sparseness;
+    }
+
+    ++randomBits;
+    if (level == 3 && !insertInOrder)
+        randomBits = qrand();
+
+    if (level > topLevel) {
+        Node *e = reinterpret_cast<Node *>(this);
+        level = ++topLevel;
+        e->forward[level] = e;
+        update[level] = e;
+    }
+
+    void *concreteNode = qMalloc(offset + sizeof(Node) + level * sizeof(Node *));
+    Node *abstractNode = reinterpret_cast<Node *>(reinterpret_cast<char *>(concreteNode) + offset);
+
+    abstractNode->backward = update[0];
+    update[0]->forward[0]->backward = abstractNode;
+
+    for (int i = level; i >= 0; i--) {
+        abstractNode->forward[i] = update[i]->forward[i];
+        update[i]->forward[i] = abstractNode;
+        update[i] = abstractNode;
+    }
+    ++size;
+    return abstractNode;
+}
+
+void QMapData::node_delete(Node *update[], int offset, Node *node)
+{
+    node->forward[0]->backward = node->backward;
+
+    for (int i = 0; i <= topLevel; ++i) {
+        if (update[i]->forward[i] != node)
+            break;
+        update[i]->forward[i] = node->forward[i];
+    }
+    --size;
+    qFree(reinterpret_cast<char *>(node) - offset);
+}
+
+#ifdef QT_QMAP_DEBUG
+
+uint QMapData::adjust_ptr(Node *node)
+{
+    if (node == reinterpret_cast<Node *>(this)) {
+       return (uint)0xDEADBEEF;
+    } else {
+        return (uint)node;
+    }
+}
+
+void QMapData::dump()
+{
+    qDebug("Map data (ref = %d, size = %d, randomBits = %#.8x)", ref.atomic, size, randomBits);
+
+    QString preOutput;
+    QVector<QString> output(topLevel + 1);
+    Node *e = reinterpret_cast<Node *>(this);
+
+    QString str;
+    str.sprintf("    %.8x", adjust_ptr(reinterpret_cast<Node *>(this)));
+    preOutput += str;
+
+    Node *update[LastLevel + 1];
+    for (int i = 0; i <= topLevel; ++i) {
+        str.sprintf("%d: [%.8x] -", i, adjust_ptr(forward[i]));
+        output[i] += str;
+        update[i] = forward[i];
+    }
+
+    Node *node = forward[0];
+    while (node != e) {
+        int level = 0;
+        while (level < topLevel && update[level + 1] == node)
+            ++level;
+
+        str.sprintf("       %.8x", adjust_ptr(node));
+        preOutput += str;
+
+        for (int i = 0; i <= level; ++i) {
+            str.sprintf("-> [%.8x] -", adjust_ptr(node->forward[i]));
+            output[i] += str;
+            update[i] = node->forward[i];
+        }
+        for (int j = level + 1; j <= topLevel; ++j)
+            output[j] += "---------------";
+        node = node->forward[0];
+    }
+
+    qDebug(preOutput.ascii());
+    for (int i = 0; i <= topLevel; ++i)
+        qDebug(output[i].ascii());
+}
+#endif
+
+/*!
+    \class QMap
+    \brief The QMap class is a template class that provides a skip-list-based dictionary.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QMap\<Key, T\> is one of Qt's generic \l{container classes}. It
+    stores (key, value) pairs and provides fast lookup of the
+    value associated with a key.
+
+    QMap and QHash provide very similar functionality. The
+    differences are:
+
+    \list
+    \i QHash provides faster lookups than QMap. (See \l{Algorithmic
+       Complexity} for details.)
+    \i When iterating over a QHash, the items are arbitrarily ordered.
+       With QMap, the items are always sorted by key.
+    \i The key type of a QHash must provide operator==() and a global
+       qHash(Key) function. The key type of a QMap must provide
+       operator<() specifying a total order.
+    \endlist
+
+    Here's an example QMap with QString keys and \c int values:
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 0
+
+    To insert a (key, value) pair into the map, you can use operator[]():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 1
+
+    This inserts the following three (key, value) pairs into the
+    QMap: ("one", 1), ("three", 3), and ("seven", 7). Another way to
+    insert items into the map is to use insert():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 2
+
+    To look up a value, use operator[]() or value():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 3
+
+    If there is no item with the specified key in the map, these
+    functions return a \l{default-constructed value}.
+
+    If you want to check whether the map contains a certain key, use
+    contains():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 4
+
+    There is also a value() overload that uses its second argument as
+    a default value if there is no item with the specified key:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 5
+
+    In general, we recommend that you use contains() and value()
+    rather than operator[]() for looking up a key in a map. The
+    reason is that operator[]() silently inserts an item into the
+    map if no item exists with the same key (unless the map is
+    const). For example, the following code snippet will create 1000
+    items in memory:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 6
+
+    To avoid this problem, replace \c map[i] with \c map.value(i)
+    in the code above.
+
+    If you want to navigate through all the (key, value) pairs stored
+    in a QMap, you can use an iterator. QMap provides both
+    \l{Java-style iterators} (QMapIterator and QMutableMapIterator)
+    and \l{STL-style iterators} (QMap::const_iterator and
+    QMap::iterator). Here's how to iterate over a QMap<QString, int>
+    using a Java-style iterator:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 7
+
+    Here's the same code, but using an STL-style iterator this time:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 8
+
+    The items are traversed in ascending key order.
+
+    Normally, a QMap allows only one value per key. If you call
+    insert() with a key that already exists in the QMap, the
+    previous value will be erased. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 9
+
+    However, you can store multiple values per key by using
+    insertMulti() instead of insert() (or using the convenience
+    subclass QMultiMap). If you want to retrieve all the values for a
+    single key, you can use values(const Key &key), which returns a
+    QList<T>:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 10
+
+    The items that share the same key are available from most
+    recently to least recently inserted. Another approach is to call
+    find() to get the STL-style iterator for the first item with a
+    key and iterate from there:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 11
+
+    If you only need to extract the values from a map (not the keys),
+    you can also use \l{foreach}:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 12
+
+    Items can be removed from the map in several ways. One way is to
+    call remove(); this will remove any item with the given key.
+    Another way is to use QMutableMapIterator::remove(). In addition,
+    you can clear the entire map using clear().
+
+    QMap's key and value data types must be \l{assignable data
+    types}. This covers most data types you are likely to encounter,
+    but the compiler won't let you, for example, store a QWidget as a
+    value; instead, store a QWidget *. In addition, QMap's key type
+    must provide operator<(). QMap uses it to keep its items sorted,
+    and assumes that two keys \c x and \c y are equal if neither \c{x
+    < y} nor \c{y < x} is true.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 13
+
+    In the example, we start by comparing the employees' names. If
+    they're equal, we compare their dates of birth to break the tie.
+
+    \sa QMapIterator, QMutableMapIterator, QHash, QSet
+*/
+
+/*! \fn QMap::QMap()
+
+    Constructs an empty map.
+
+    \sa clear()
+*/
+
+/*! \fn QMap::QMap(const QMap<Key, T> &other)
+
+    Constructs a copy of \a other.
+
+    This operation occurs in \l{constant time}, because QMap is
+    \l{implicitly shared}. This makes returning a QMap from a
+    function very fast. If a shared instance is modified, it will be
+    copied (copy-on-write), and this takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*! \fn QMap::QMap(const std::map<Key, T> & other)
+
+    Constructs a copy of \a other.
+
+    This function is only available if Qt is configured with STL
+    compatibility enabled.
+
+    \sa toStdMap()
+*/
+
+/*! \fn std::map<Key, T> QMap::toStdMap() const
+
+    Returns an STL map equivalent to this QMap.
+
+    This function is only available if Qt is configured with STL
+    compatibility enabled.
+*/
+
+/*! \fn QMap::~QMap()
+
+    Destroys the map. References to the values in the map, and all
+    iterators over this map, become invalid.
+*/
+
+/*! \fn QMap<Key, T> &QMap::operator=(const QMap<Key, T> &other)
+
+    Assigns \a other to this map and returns a reference to this map.
+*/
+
+/*! \fn bool QMap::operator==(const QMap<Key, T> &other) const
+
+    Returns true if \a other is equal to this map; otherwise returns
+    false.
+
+    Two maps are considered equal if they contain the same (key,
+    value) pairs.
+
+    This function requires the value type to implement \c
+    operator==().
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QMap::operator!=(const QMap<Key, T> &other) const
+
+    Returns true if \a other is not equal to this map; otherwise
+    returns false.
+
+    Two maps are considered equal if they contain the same (key,
+    value) pairs.
+
+    This function requires the value type to implement \c
+    operator==().
+
+    \sa operator==()
+*/
+
+/*! \fn int QMap::size() const
+
+    Returns the number of (key, value) pairs in the map.
+
+    \sa isEmpty(), count()
+*/
+
+/*!
+    \fn bool QMap::isEmpty() const
+
+    Returns true if the map contains no items; otherwise returns
+    false.
+
+    \sa size()
+*/
+
+/*! \fn void QMap::detach()
+
+    \internal
+
+    Detaches this map from any other maps with which it may share
+    data.
+
+    \sa isDetached()
+*/
+
+/*! \fn bool QMap::isDetached() const
+
+    \internal
+
+    Returns true if the map's internal data isn't shared with any
+    other map object; otherwise returns false.
+
+    \sa detach()
+*/
+
+/*! \fn void QMap::setSharable(bool sharable)
+
+    \internal
+*/
+
+/*! \fn void QMap::setInsertInOrder(bool sharable)
+
+    \internal
+*/
+
+/*! \fn void QMap::clear()
+
+    Removes all items from the map.
+
+    \sa remove()
+*/
+
+/*! \fn int QMap::remove(const Key &key)
+
+    Removes all the items that have the key \a key from the map.
+    Returns the number of items removed which is usually 1 but will be
+    0 if the key isn't in the map, or \> 1 if insertMulti() has been
+    used with the \a key.
+
+    \sa clear(), take(), QMultiMap::remove()
+*/
+
+/*! \fn T QMap::take(const Key &key)
+
+    Removes the item with the key \a key from the map and returns
+    the value associated with it.
+
+    If the item does not exist in the map, the function simply
+    returns a \l{default-constructed value}. If there are multiple
+    items for \a key in the map, only the most recently inserted one
+    is removed and returned.
+
+    If you don't use the return value, remove() is more efficient.
+
+    \sa remove()
+*/
+
+/*! \fn bool QMap::contains(const Key &key) const
+
+    Returns true if the map contains an item with key \a key;
+    otherwise returns false.
+
+    \sa count(), QMultiMap::contains()
+*/
+
+/*! \fn const T QMap::value(const Key &key) const
+
+    Returns the value associated with the key \a key.
+
+    If the map contains no item with key \a key, the function
+    returns a \l{default-constructed value}. If there are multiple
+    items for \a key in the map, the value of the most recently
+    inserted one is returned.
+
+    \sa key(), values(), contains(), operator[]()
+*/
+
+/*! \fn const T QMap::value(const Key &key, const T &defaultValue) const
+
+    \overload
+
+    If the map contains no item with key \a key, the function returns
+    \a defaultValue.
+*/
+
+/*! \fn T &QMap::operator[](const Key &key)
+
+    Returns the value associated with the key \a key as a modifiable
+    reference.
+
+    If the map contains no item with key \a key, the function inserts
+    a \l{default-constructed value} into the map with key \a key, and
+    returns a reference to it. If the map contains multiple items
+    with key \a key, this function returns a reference to the most
+    recently inserted value.
+
+    \sa insert(), value()
+*/
+
+/*! \fn const T QMap::operator[](const Key &key) const
+
+    \overload
+
+    Same as value().
+*/
+
+/*! \fn QList<Key> QMap::uniqueKeys() const
+    \since 4.2
+
+    Returns a list containing all the keys in the map in ascending
+    order. Keys that occur multiple times in the map (because items
+    were inserted with insertMulti(), or unite() was used) occur only
+    once in the returned list.
+
+    \sa keys(), values()
+*/
+
+/*! \fn QList<Key> QMap::keys() const
+
+    Returns a list containing all the keys in the map in ascending
+    order. Keys that occur multiple times in the map (because items
+    were inserted with insertMulti(), or unite() was used) also
+    occur multiple times in the list.
+
+    To obtain a list of unique keys, where each key from the map only
+    occurs once, use uniqueKeys().
+
+    The order is guaranteed to be the same as that used by values().
+
+    \sa uniqueKeys(), values(), key()
+*/
+
+/*! \fn QList<Key> QMap::keys(const T &value) const
+
+    \overload
+
+    Returns a list containing all the keys associated with value \a
+    value in ascending order.
+
+    This function can be slow (\l{linear time}), because QMap's
+    internal data structure is optimized for fast lookup by key, not
+    by value.
+*/
+
+/*! \fn Key QMap::key(const T &value) const
+
+    Returns the first key with value \a value.
+
+    If the map contains no item with value \a value, the function
+    returns a \link {default-constructed value} default-constructed
+    key \endlink.
+
+    This function can be slow (\l{linear time}), because QMap's
+    internal data structure is optimized for fast lookup by key, not
+    by value.
+
+    \sa value(), keys()
+*/
+
+/*!
+    \fn Key QMap::key(const T &value, const Key &defaultKey) const
+    \since 4.3
+    \overload
+
+    Returns the first key with value \a value, or \a defaultKey if
+    the map contains no item with value \a value.
+
+    This function can be slow (\l{linear time}), because QMap's
+    internal data structure is optimized for fast lookup by key, not
+    by value.
+*/
+
+/*! \fn QList<T> QMap::values() const
+
+    Returns a list containing all the values in the map, in ascending
+    order of their keys. If a key is associated with multiple values,
+    all of its values will be in the list, and not just the most
+    recently inserted one.
+
+    \sa keys(), value()
+*/
+
+/*! \fn QList<T> QMap::values(const Key &key) const
+
+    \overload
+
+    Returns a list containing all the values associated with key
+    \a key, from the most recently inserted to the least recently
+    inserted one.
+
+    \sa count(), insertMulti()
+*/
+
+/*! \fn int QMap::count(const Key &key) const
+
+    Returns the number of items associated with key \a key.
+
+    \sa contains(), insertMulti(), QMultiMap::count()
+*/
+
+/*! \fn int QMap::count() const
+
+    \overload
+
+    Same as size().
+*/
+
+/*! \fn QMap::iterator QMap::begin()
+
+    Returns an \l{STL-style iterator} pointing to the first item in
+    the map.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QMap::const_iterator QMap::begin() const
+
+    \overload
+*/
+
+/*! \fn QMap::const_iterator QMap::constBegin() const
+
+    Returns a const \l{STL-style iterator} pointing to the first item
+    in the map.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QMap::iterator QMap::end()
+
+    Returns an \l{STL-style iterator} pointing to the imaginary item
+    after the last item in the map.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QMap::const_iterator QMap::end() const
+
+    \overload
+*/
+
+/*! \fn QMap::const_iterator QMap::constEnd() const
+
+    Returns a const \l{STL-style iterator} pointing to the imaginary
+    item after the last item in the map.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QMap::iterator QMap::erase(iterator pos)
+
+    Removes the (key, value) pair pointed to by the iterator \a pos
+    from the map, and returns an iterator to the next item in the
+    map.
+
+    \sa remove()
+*/
+
+/*! \fn QMap::iterator QMap::find(const Key &key)
+
+    Returns an iterator pointing to the item with key \a key in the
+    map.
+
+    If the map contains no item with key \a key, the function
+    returns end().
+
+    If the map contains multiple items with key \a key, this
+    function returns an iterator that points to the most recently
+    inserted value. The other values are accessible by incrementing
+    the iterator. For example, here's some code that iterates over all
+    the items with the same key:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 14
+
+    \sa constFind(), value(), values(), lowerBound(), upperBound(), QMultiMap::find()
+*/
+
+/*! \fn QMap::const_iterator QMap::find(const Key &key) const
+
+    \overload
+*/
+
+/*! \fn QMap::iterator QMap::constFind(const Key &key) const
+    \since 4.1
+
+    Returns an const iterator pointing to the item with key \a key in the
+    map.
+
+    If the map contains no item with key \a key, the function
+    returns constEnd().
+
+    \sa find(), QMultiMap::constFind()
+*/
+
+/*! \fn QMap::iterator QMap::lowerBound(const Key &key)
+
+    Returns an iterator pointing to the first item with key \a key in
+    the map. If the map contains no item with key \a key, the
+    function returns an iterator to the nearest item with a greater
+    key.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 15
+
+    If the map contains multiple items with key \a key, this
+    function returns an iterator that points to the most recently
+    inserted value. The other values are accessible by incrementing
+    the iterator. For example, here's some code that iterates over all
+    the items with the same key:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 16
+
+    \sa qLowerBound(), upperBound(), find()
+*/
+
+/*! \fn QMap::const_iterator QMap::lowerBound(const Key &key) const
+
+    \overload
+*/
+
+/*! \fn QMap::iterator QMap::upperBound(const Key &key)
+
+    Returns an iterator pointing to the item that immediately follows
+    the last item with key \a key in the map. If the map contains no
+    item with key \a key, the function returns an iterator to the
+    nearest item with a greater key.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 17
+
+    \sa qUpperBound(), lowerBound(), find()
+*/
+
+/*! \fn QMap::const_iterator QMap::upperBound(const Key &key) const
+
+    \overload
+*/
+
+/*! \fn QMap::iterator QMap::insert(const Key &key, const T &value)
+
+    Inserts a new item with the key \a key and a value of \a value.
+
+    If there is already an item with the key \a key, that item's value
+    is replaced with \a value.
+
+    If there are multiple items with the key \a key, the most
+    recently inserted item's value is replaced with \a value.
+
+    \sa insertMulti()
+*/
+
+/*! \fn QMap::iterator QMap::insertMulti(const Key &key, const T &value)
+
+    Inserts a new item with the key \a key and a value of \a value.
+
+    If there is already an item with the same key in the map, this
+    function will simply create a new one. (This behavior is
+    different from insert(), which overwrites the value of an
+    existing item.)
+
+    \sa insert(), values()
+*/
+
+/*! \fn QMap<Key, T> &QMap::unite(const QMap<Key, T> &other)
+
+    Inserts all the items in the \a other map into this map. If a
+    key is common to both maps, the resulting map will contain the
+    key multiple times.
+
+    \sa insertMulti()
+*/
+
+/*! \typedef QMap::Iterator
+
+    Qt-style synonym for QMap::iterator.
+*/
+
+/*! \typedef QMap::ConstIterator
+
+    Qt-style synonym for QMap::const_iterator.
+*/
+
+/*! \typedef QMap::difference_type
+
+    Typedef for ptrdiff_t. Provided for STL compatibility.
+*/
+
+/*! \typedef QMap::key_type
+
+    Typedef for Key. Provided for STL compatibility.
+*/
+
+/*! \typedef QMap::mapped_type
+
+    Typedef for T. Provided for STL compatibility.
+*/
+
+/*! \typedef QMap::size_type
+
+    Typedef for int. Provided for STL compatibility.
+*/
+
+/*!
+    \fn bool QMap::empty() const
+
+    This function is provided for STL compatibility. It is equivalent
+    to isEmpty(), returning true if the map is empty; otherwise
+    returning false.
+*/
+
+/*! \class QMap::iterator
+    \brief The QMap::iterator class provides an STL-style non-const iterator for QMap and QMultiMap.
+
+    QMap features both \l{STL-style iterators} and \l{Java-style
+    iterators}. The STL-style iterators are more low-level and more
+    cumbersome to use; on the other hand, they are slightly faster
+    and, for developers who already know STL, have the advantage of
+    familiarity.
+
+    QMap\<Key, T\>::iterator allows you to iterate over a QMap (or
+    QMultiMap) and to modify the value (but not the key) stored under
+    a particular key. If you want to iterate over a const QMap, you
+    should use QMap::const_iterator. It is generally good practice to
+    use QMap::const_iterator on a non-const QMap as well, unless you
+    need to change the QMap through the iterator. Const iterators are
+    slightly faster, and can improve code readability.
+
+    The default QMap::iterator constructor creates an uninitialized
+    iterator. You must initialize it using a QMap function like
+    QMap::begin(), QMap::end(), or QMap::find() before you can
+    start iterating. Here's a typical loop that prints all the (key,
+    value) pairs stored in a map:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 18
+
+    Unlike QHash, which stores its items in an arbitrary order, QMap
+    stores its items ordered by key. Items that share the same key
+    (because they were inserted using QMap::insertMulti(), or due to a
+    unite()) will appear consecutively, from the most recently to the
+    least recently inserted value.
+
+    Let's see a few examples of things we can do with a
+    QMap::iterator that we cannot do with a QMap::const_iterator.
+    Here's an example that increments every value stored in the QMap
+    by 2:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 19
+
+    Here's an example that removes all the items whose key is a
+    string that starts with an underscore character:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 20
+
+    The call to QMap::erase() removes the item pointed to by the
+    iterator from the map, and returns an iterator to the next item.
+    Here's another way of removing an item while iterating:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 21
+
+    It might be tempting to write code like this:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 22
+
+    However, this will potentially crash in \c{++i}, because \c i is
+    a dangling iterator after the call to erase().
+
+    Multiple iterators can be used on the same map. If you add items
+    to the map, existing iterators will remain valid. If you remove
+    items from the map, iterators that point to the removed items
+    will become dangling iterators.
+
+    \sa QMap::const_iterator, QMutableMapIterator
+*/
+
+/*! \fn QMap::iterator::operator QMapData::Node *() const
+
+    \internal
+*/
+
+/*! \typedef QMap::iterator::difference_type
+
+    \internal
+*/
+
+/*! \typedef QMap::iterator::iterator_category
+
+    \internal
+*/
+
+/*! \typedef QMap::iterator::pointer
+
+    \internal
+*/
+
+/*! \typedef QMap::iterator::reference
+
+    \internal
+*/
+
+/*! \typedef QMap::iterator::value_type
+
+    \internal
+*/
+
+/*! \fn QMap::iterator::iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like key(), value(), and operator++() must not be
+    called on an uninitialized iterator. Use operator=() to assign a
+    value to it before using it.
+
+    \sa QMap::begin() QMap::end()
+*/
+
+/*! \fn QMap::iterator::iterator(QMapData::Node *node)
+
+    \internal
+*/
+
+/*! \fn const Key &QMap::iterator::key() const
+
+    Returns the current item's key as a const reference.
+
+    There is no direct way of changing an item's key through an
+    iterator, although it can be done by calling QMap::erase()
+    followed by QMap::insert() or QMap::insertMulti().
+
+    \sa value()
+*/
+
+/*! \fn T &QMap::iterator::value() const
+
+    Returns a modifiable reference to the current item's value.
+
+    You can change the value of an item by using value() on
+    the left side of an assignment, for example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 23
+
+    \sa key(), operator*()
+*/
+
+/*! \fn T &QMap::iterator::operator*() const
+
+    Returns a modifiable reference to the current item's value.
+
+    Same as value().
+
+    \sa key()
+*/
+
+/*! \fn T *QMap::iterator::operator->() const
+
+    Returns a pointer to the current item's value.
+
+    \sa value()
+*/
+
+/*!
+    \fn bool QMap::iterator::operator==(const iterator &other) const
+    \fn bool QMap::iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same item as this
+    iterator; otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*!
+    \fn bool QMap::iterator::operator!=(const iterator &other) const
+    \fn bool QMap::iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different item than this
+    iterator; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*! \fn QMap::iterator QMap::iterator::operator++()
+
+    The prefix ++ operator (\c{++i}) advances the iterator to the
+    next item in the map and returns an iterator to the new current
+    item.
+
+    Calling this function on QMap::end() leads to undefined results.
+
+    \sa operator--()
+*/
+
+/*! \fn QMap::iterator QMap::iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{i++}) advances the iterator to the
+    next item in the map and returns an iterator to the previously
+    current item.
+*/
+
+/*! \fn QMap::iterator QMap::iterator::operator--()
+
+    The prefix -- operator (\c{--i}) makes the preceding item
+    current and returns an iterator pointing to the new current item.
+
+    Calling this function on QMap::begin() leads to undefined
+    results.
+
+    \sa operator++()
+*/
+
+/*! \fn QMap::iterator QMap::iterator::operator--(int)
+
+    \overload
+
+    The prefix -- operator (\c{--i}) makes the preceding item
+    current and returns an iterator pointing to the previously
+    current item.
+*/
+
+/*! \fn QMap::iterator QMap::iterator::operator+(int j) const
+
+    Returns an iterator to the item at \a j positions forward from
+    this iterator. (If \a j is negative, the iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-()
+
+*/
+
+/*! \fn QMap::iterator QMap::iterator::operator-(int j) const
+
+    Returns an iterator to the item at \a j positions backward from
+    this iterator. (If \a j is negative, the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+()
+*/
+
+/*! \fn QMap::iterator &QMap::iterator::operator+=(int j)
+
+    Advances the iterator by \a j items. (If \a j is negative, the
+    iterator goes backward.)
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QMap::iterator &QMap::iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j items. (If \a j is negative,
+    the iterator goes forward.)
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \class QMap::const_iterator
+    \brief The QMap::const_iterator class provides an STL-style const iterator for QMap and QMultiMap.
+
+    QMap features both \l{STL-style iterators} and \l{Java-style
+    iterators}. The STL-style iterators are more low-level and more
+    cumbersome to use; on the other hand, they are slightly faster
+    and, for developers who already know STL, have the advantage of
+    familiarity.
+
+    QMap\<Key, T\>::const_iterator allows you to iterate over a QMap
+    (or a QMultiMap). If you want to modify the QMap as you iterate
+    over it, you must use QMap::iterator instead. It is generally
+    good practice to use QMap::const_iterator on a non-const QMap as
+    well, unless you need to change the QMap through the iterator.
+    Const iterators are slightly faster, and can improve code
+    readability.
+
+    The default QMap::const_iterator constructor creates an
+    uninitialized iterator. You must initialize it using a QMap
+    function like QMap::constBegin(), QMap::constEnd(), or
+    QMap::find() before you can start iterating. Here's a typical
+    loop that prints all the (key, value) pairs stored in a map:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 24
+
+    Unlike QHash, which stores its items in an arbitrary order, QMap
+    stores its items ordered by key. Items that share the same key
+    (because they were inserted using QMap::insertMulti()) will
+    appear consecutively, from the most recently to the least
+    recently inserted value.
+
+    Multiple iterators can be used on the same map. If you add items
+    to the map, existing iterators will remain valid. If you remove
+    items from the map, iterators that point to the removed items
+    will become dangling iterators.
+
+    \sa QMap::iterator, QMapIterator
+*/
+
+/*! \fn QMap::const_iterator::operator QMapData::Node *() const
+
+    \internal
+*/
+
+/*! \typedef QMap::const_iterator::difference_type
+
+    \internal
+*/
+
+/*! \typedef QMap::const_iterator::iterator_category
+
+    \internal
+*/
+
+/*! \typedef QMap::const_iterator::pointer
+
+    \internal
+*/
+
+/*! \typedef QMap::const_iterator::reference
+
+    \internal
+*/
+
+/*! \typedef QMap::const_iterator::value_type
+
+    \internal
+*/
+
+/*! \fn QMap::const_iterator::const_iterator()
+
+    Constructs an uninitialized iterator.
+
+    Functions like key(), value(), and operator++() must not be
+    called on an uninitialized iterator. Use operator=() to assign a
+    value to it before using it.
+
+    \sa QMap::constBegin() QMap::constEnd()
+*/
+
+/*! \fn QMap::const_iterator::const_iterator(QMapData::Node *node)
+
+    \internal
+*/
+
+/*! \fn QMap::const_iterator::const_iterator(const iterator &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn const Key &QMap::const_iterator::key() const
+
+    Returns the current item's key.
+
+    \sa value()
+*/
+
+/*! \fn const T &QMap::const_iterator::value() const
+
+    Returns the current item's value.
+
+    \sa key(), operator*()
+*/
+
+/*! \fn const T &QMap::const_iterator::operator*() const
+
+    Returns the current item's value.
+
+    Same as value().
+
+    \sa key()
+*/
+
+/*! \fn const T *QMap::const_iterator::operator->() const
+
+    Returns a pointer to the current item's value.
+
+    \sa value()
+*/
+
+/*! \fn bool QMap::const_iterator::operator==(const const_iterator &other) const
+
+    Returns true if \a other points to the same item as this
+    iterator; otherwise returns false.
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QMap::const_iterator::operator!=(const const_iterator &other) const
+
+    Returns true if \a other points to a different item than this
+    iterator; otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*! \fn QMap::const_iterator QMap::const_iterator::operator++()
+
+    The prefix ++ operator (\c{++i}) advances the iterator to the
+    next item in the map and returns an iterator to the new current
+    item.
+
+    Calling this function on QMap::end() leads to undefined results.
+
+    \sa operator--()
+*/
+
+/*! \fn QMap::const_iterator QMap::const_iterator::operator++(int)
+
+    \overload
+
+    The postfix ++ operator (\c{i++}) advances the iterator to the
+    next item in the map and returns an iterator to the previously
+    current item.
+*/
+
+/*! \fn QMap::const_iterator &QMap::const_iterator::operator--()
+
+    The prefix -- operator (\c{--i}) makes the preceding item
+    current and returns an iterator pointing to the new current item.
+
+    Calling this function on QMap::begin() leads to undefined
+    results.
+
+    \sa operator++()
+*/
+
+/*! \fn QMap::const_iterator QMap::const_iterator::operator--(int)
+
+    \overload
+
+    The postfix -- operator (\c{i--}) makes the preceding item
+    current and returns an iterator pointing to the previously
+    current item.
+*/
+
+/*! \fn QMap::const_iterator QMap::const_iterator::operator+(int j) const
+
+    Returns an iterator to the item at \a j positions forward from
+    this iterator. (If \a j is negative, the iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-()
+*/
+
+/*! \fn QMap::const_iterator QMap::const_iterator::operator-(int j) const
+
+    Returns an iterator to the item at \a j positions backward from
+    this iterator. (If \a j is negative, the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+()
+*/
+
+/*! \fn QMap::const_iterator &QMap::const_iterator::operator+=(int j)
+
+    Advances the iterator by \a j items. (If \a j is negative, the
+    iterator goes backward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator-=(), operator+()
+*/
+
+/*! \fn QMap::const_iterator &QMap::const_iterator::operator-=(int j)
+
+    Makes the iterator go back by \a j items. (If \a j is negative,
+    the iterator goes forward.)
+
+    This operation can be slow for large \a j values.
+
+    \sa operator+=(), operator-()
+*/
+
+/*! \fn QDataStream &operator<<(QDataStream &out, const QMap<Key, T> &map)
+    \relates QMap
+
+    Writes the map \a map to stream \a out.
+
+    This function requires the key and value types to implement \c
+    operator<<().
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+/*! \fn QDataStream &operator>>(QDataStream &in, QMap<Key, T> &map)
+    \relates QMap
+
+    Reads a map from stream \a in into \a map.
+
+    This function requires the key and value types to implement \c
+    operator>>().
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+/*! \class QMultiMap
+    \brief The QMultiMap class is a convenience QMap subclass that provides multi-valued maps.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QMultiMap\<Key, T\> is one of Qt's generic \l{container classes}.
+    It inherits QMap and extends it with a few convenience functions
+    that make it more suitable than QMap for storing multi-valued
+    maps. A multi-valued map is a map that allows multiple values
+    with the same key; QMap normally doesn't allow that, unless you
+    call QMap::insertMulti().
+
+    Because QMultiMap inherits QMap, all of QMap's functionality also
+    applies to QMultiMap. For example, you can use isEmpty() to test
+    whether the map is empty, and you can traverse a QMultiMap using
+    QMap's iterator classes (for example, QMapIterator). But in
+    addition, it provides an insert() function that corresponds to
+    QMap::insertMulti(), and a replace() function that corresponds to
+    QMap::insert(). It also provides convenient operator+() and
+    operator+=().
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 25
+
+    Unlike QMap, QMultiMap provides no operator[]. Use value() or
+    replace() if you want to access the most recently inserted item
+    with a certain key.
+
+    If you want to retrieve all the values for a single key, you can
+    use values(const Key &key), which returns a QList<T>:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 26
+
+    The items that share the same key are available from most
+    recently to least recently inserted.
+
+    If you prefer the STL-style iterators, you can call find() to get
+    the iterator for the first item with a key and iterate from
+    there:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qmap.cpp 27
+
+    QMultiMap's key and value data types must be \l{assignable data
+    types}. This covers most data types you are likely to encounter,
+    but the compiler won't let you, for example, store a QWidget as a
+    value; instead, store a QWidget *. In addition, QMultiMap's key type
+    must provide operator<(). See the QMap documentation for details.
+
+    \sa QMap, QMapIterator, QMutableMapIterator, QMultiHash
+*/
+
+/*! \fn QMultiMap::QMultiMap()
+
+    Constructs an empty map.
+*/
+
+/*! \fn QMultiMap::QMultiMap(const QMap<Key, T> &other)
+
+    Constructs a copy of \a other (which can be a QMap or a
+    QMultiMap).
+
+    \sa operator=()
+*/
+
+/*! \fn QMultiMap::iterator QMultiMap::replace(const Key &key, const T &value)
+
+    Inserts a new item with the key \a key and a value of \a value.
+
+    If there is already an item with the key \a key, that item's value
+    is replaced with \a value.
+
+    If there are multiple items with the key \a key, the most
+    recently inserted item's value is replaced with \a value.
+
+    \sa insert()
+*/
+
+/*! \fn QMultiMap::iterator QMultiMap::insert(const Key &key, const T &value)
+
+    Inserts a new item with the key \a key and a value of \a value.
+
+    If there is already an item with the same key in the map, this
+    function will simply create a new one. (This behavior is
+    different from replace(), which overwrites the value of an
+    existing item.)
+
+    \sa replace()
+*/
+
+/*! \fn QMultiMap &QMultiMap::operator+=(const QMultiMap &other)
+
+    Inserts all the items in the \a other map into this map and
+    returns a reference to this map.
+
+    \sa insert(), operator+()
+*/
+
+/*! \fn QMultiMap QMultiMap::operator+(const QMultiMap &other) const
+
+    Returns a map that contains all the items in this map in
+    addition to all the items in \a other. If a key is common to both
+    maps, the resulting map will contain the key multiple times.
+
+    \sa operator+=()
+*/
+
+/*!
+    \fn bool QMultiMap::contains(const Key &key, const T &value) const
+    \since 4.3
+
+    Returns true if the map contains an item with key \a key and
+    value \a value; otherwise returns false.
+
+    \sa QMap::contains()
+*/
+
+/*!
+    \fn bool QMultiMap::contains(const Key &key) const
+    \overload
+    \sa QMap::contains()
+*/
+
+/*!
+    \fn int QMultiMap::remove(const Key &key, const T &value)
+    \since 4.3
+
+    Removes all the items that have the key \a key and the value \a
+    value from the map. Returns the number of items removed.
+
+    \sa QMap::remove()
+*/
+
+/*!
+    \fn int QMultiMap::remove(const Key &key)
+    \overload
+    \sa QMap::remove()
+*/
+
+/*!
+    \fn int QMultiMap::count(const Key &key, const T &value) const
+    \since 4.3
+
+    Returns the number of items with key \a key and value \a value.
+
+    \sa QMap::count()
+*/
+
+/*!
+    \fn int QMultiMap::count(const Key &key) const
+    \overload
+    \sa QMap::count()
+*/
+
+/*!
+    \fn int QMultiMap::count() const
+    \overload
+    \sa QMap::count()
+*/
+
+/*!
+    \fn typename QMap<Key, T>::iterator QMultiMap::find(const Key &key, const T &value)
+    \since 4.3
+
+    Returns an iterator pointing to the item with key \a key and
+    value \a value in the map.
+
+    If the map contains no such item, the function returns end().
+
+    If the map contains multiple items with key \a key, this
+    function returns an iterator that points to the most recently
+    inserted value.
+
+    \sa QMap::find()
+*/
+
+/*!
+    \fn typename QMap<Key, T>::iterator QMultiMap::find(const Key &key)
+    \overload
+    \sa QMap::find()
+*/
+
+/*!
+    \fn typename QMap<Key, T>::const_iterator QMultiMap::find(const Key &key, const T &value) const
+    \since 4.3
+    \overload
+
+    Returns a const iterator pointing to the item with the given \a key and
+    \a value in the map.
+
+    If the map contains no such item, the function returns end().
+
+    If the map contains multiple items with the specified \a key, this
+    function returns a const iterator that points to the most recently
+    inserted value.
+
+    \sa QMap::find()
+*/
+
+/*!
+    \fn typename QMap<Key, T>::const_iterator QMultiMap::find(const Key &key) const
+    \since 4.3
+    \overload
+    \sa QMap::find()
+*/
+
+/*!
+    \fn typename QMap<Key, T>::const_iterator QMultiMap::constFind(const Key &key, const T &value) const
+    \since 4.3
+
+    Returns an iterator pointing to the item with key \a key and the
+    value \a value in the map.
+
+    If the map contains no such item, the function returns
+    constEnd().
+
+    \sa QMap::constFind()
+*/
+
+/*!
+    \fn typename QMap<Key, T>::const_iterator QMultiMap::constFind(const Key &key) const
+    \overload
+    \sa QMap::constFind()
+*/
+
+/*!
+    \fn T &QMap::iterator::data() const
+
+    Use value() instead.
+*/
+
+/*!
+    \fn const T &QMap::const_iterator::data() const
+
+    Use value() instead.
+*/
+
+/*!
+    \fn iterator QMap::remove(iterator it)
+
+    Use erase(\a it) instead.
+*/
+
+/*!
+    \fn void QMap::erase(const Key &key)
+
+    Use remove(\a key) instead.
+*/
+
+/*!
+    \fn iterator QMap::insert(const Key &key, const T &value, bool overwrite);
+
+    Use the two-argument insert() overload instead. If you don't want
+    to overwrite, call contains() beforehand.
+
+    \oldcode
+        QMap<QString, int> map;
+        ...
+        map.insert("delay", 30000, false);
+    \newcode
+        QMap<QString, int> map;
+        ...
+        if (!map.contains("delay"))
+            map.insert("delay", 30000);
+    \endcode
+*/
+
+/*!
+    \fn iterator QMap::replace(const Key &key, const T &value)
+
+    Use remove() then insert().
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
new file mode 100644
index 0000000000..5f13e5a7b7
--- /dev/null
+++ b/src/corelib/tools/qmap.h
@@ -0,0 +1,1026 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMAP_H
+#define QMAP_H
+
+#include <QtCore/qatomic.h>
+#include <QtCore/qiterator.h>
+#include <QtCore/qlist.h>
+
+#ifndef QT_NO_STL
+#include <map>
+#endif
+
+#include <new>
+#undef QT_MAP_DEBUG
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+struct Q_CORE_EXPORT QMapData
+{
+    struct Node {
+        Node *backward;
+        Node *forward[1];
+    };
+    enum { LastLevel = 11, Sparseness = 3 };
+
+    QMapData *backward;
+    QMapData *forward[QMapData::LastLevel + 1];
+    QBasicAtomicInt ref;
+    int topLevel;
+    int size;
+    uint randomBits;
+    uint insertInOrder : 1;
+    uint sharable : 1;
+
+    static QMapData *createData();
+    void continueFreeData(int offset);
+    Node *node_create(Node *update[], int offset);
+    void node_delete(Node *update[], int offset, Node *node);
+#ifdef QT_QMAP_DEBUG
+    uint adjust_ptr(Node *node);
+    void dump();
+#endif
+
+    static QMapData shared_null;
+};
+
+
+/*
+    QMap uses qMapLessThanKey() to compare keys. The default
+    implementation uses operator<(). For pointer types,
+    qMapLessThanKey() casts the pointers to integers before it
+    compares them, because operator<() is undefined on pointers
+    that come from different memory blocks. (In practice, this
+    is only a problem when running a program such as
+    BoundsChecker.)
+*/
+
+template <class Key> inline bool qMapLessThanKey(const Key &key1, const Key &key2)
+{
+    return key1 < key2;
+}
+
+#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+template <class Ptr> inline bool qMapLessThanKey(Ptr *key1, Ptr *key2)
+{
+    Q_ASSERT(sizeof(quintptr) == sizeof(Ptr *));
+    return quintptr(key1) < quintptr(key2);
+}
+
+template <class Ptr> inline bool qMapLessThanKey(const Ptr *key1, const Ptr *key2)
+{
+    Q_ASSERT(sizeof(quintptr) == sizeof(const Ptr *));
+    return quintptr(key1) < quintptr(key2);
+}
+#endif // QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
+
+template <class Key, class T>
+struct QMapNode {
+    Key key;
+    T value;
+    QMapData::Node *backward;
+    QMapData::Node *forward[1];
+};
+
+template <class Key, class T>
+struct QMapPayloadNode
+{
+    Key key;
+    T value;
+    QMapData::Node *backward;
+};
+
+template <class Key, class T>
+class QMap
+{
+    typedef QMapNode<Key, T> Node;
+    typedef QMapPayloadNode<Key, T> PayloadNode;
+
+    union {
+        QMapData *d;
+        QMapData::Node *e;
+    };
+
+    static inline int payload() { return sizeof(PayloadNode) - sizeof(QMapData::Node *); }
+    static inline Node *concrete(QMapData::Node *node) {
+        return reinterpret_cast<Node *>(reinterpret_cast<char *>(node) - payload());
+    }
+
+public:
+    inline QMap() : d(&QMapData::shared_null) { d->ref.ref(); }
+    inline QMap(const QMap<Key, T> &other) : d(other.d)
+    { d->ref.ref(); if (!d->sharable) detach(); }
+    inline ~QMap() { if (!d) return; if (!d->ref.deref()) freeData(d); }
+
+    QMap<Key, T> &operator=(const QMap<Key, T> &other);
+#ifndef QT_NO_STL
+    explicit QMap(const typename std::map<Key, T> &other);
+    std::map<Key, T> toStdMap() const;
+#endif
+
+    bool operator==(const QMap<Key, T> &other) const;
+    inline bool operator!=(const QMap<Key, T> &other) const { return !(*this == other); }
+
+    inline int size() const { return d->size; }
+
+    inline bool isEmpty() const { return d->size == 0; }
+
+    inline void detach() { if (d->ref != 1) detach_helper(); }
+    inline bool isDetached() const { return d->ref == 1; }
+    inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
+    inline void setInsertInOrder(bool ordered) { d->insertInOrder = ordered; }
+
+    void clear();
+
+    int remove(const Key &key);
+    T take(const Key &key);
+
+    bool contains(const Key &key) const;
+    const Key key(const T &value) const;
+    const Key key(const T &value, const Key &defaultKey) const;
+    const T value(const Key &key) const;
+    const T value(const Key &key, const T &defaultValue) const;
+    T &operator[](const Key &key);
+    const T operator[](const Key &key) const;
+
+    QList<Key> uniqueKeys() const;
+    QList<Key> keys() const;
+    QList<Key> keys(const T &value) const;
+    QList<T> values() const;
+    QList<T> values(const Key &key) const;
+    int count(const Key &key) const;
+
+    class const_iterator;
+
+    class iterator
+    {
+        friend class const_iterator;
+        QMapData::Node *i;
+
+    public:
+        typedef std::bidirectional_iterator_tag iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef T *pointer;
+        typedef T &reference;
+
+        // ### Qt 5: get rid of 'operator Node *'
+        inline operator QMapData::Node *() const { return i; }
+        inline iterator() : i(0) { }
+        inline iterator(QMapData::Node *node) : i(node) { }
+
+        inline const Key &key() const { return concrete(i)->key; }
+        inline T &value() const { return concrete(i)->value; }
+#ifdef QT3_SUPPORT
+        inline QT3_SUPPORT T &data() const { return concrete(i)->value; }
+#endif
+        inline T &operator*() const { return concrete(i)->value; }
+        inline T *operator->() const { return &concrete(i)->value; }
+        inline bool operator==(const iterator &o) const { return i == o.i; }
+        inline bool operator!=(const iterator &o) const { return i != o.i; }
+
+        inline iterator &operator++() {
+            i = i->forward[0];
+            return *this;
+        }
+        inline iterator operator++(int) {
+            iterator r = *this;
+            i = i->forward[0];
+            return r;
+        }
+        inline iterator &operator--() {
+            i = i->backward;
+            return *this;
+        }
+        inline iterator operator--(int) {
+            iterator r = *this;
+            i = i->backward;
+            return r;
+        }
+        inline iterator operator+(int j) const
+        { iterator r = *this; if (j > 0) while (j--) ++r; else while (j++) --r; return r; }
+        inline iterator operator-(int j) const { return operator+(-j); }
+        inline iterator &operator+=(int j) { return *this = *this + j; }
+        inline iterator &operator-=(int j) { return *this = *this - j; }
+
+        // ### Qt 5: not sure this is necessary anymore
+#ifdef QT_STRICT_ITERATORS
+    private:
+#else
+    public:
+#endif
+        inline bool operator==(const const_iterator &o) const
+            { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const
+            { return i != o.i; }
+
+    private:
+        // ### Qt 5: remove
+        inline operator bool() const { return false; }
+    };
+    friend class iterator;
+
+    class const_iterator
+    {
+        friend class iterator;
+        QMapData::Node *i;
+
+    public:
+        typedef std::bidirectional_iterator_tag iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef const T *pointer;
+        typedef const T &reference;
+
+        // ### Qt 5: get rid of 'operator Node *'
+        inline operator QMapData::Node *() const { return i; }
+        inline const_iterator() : i(0) { }
+        inline const_iterator(QMapData::Node *node) : i(node) { }
+#ifdef QT_STRICT_ITERATORS
+        explicit inline const_iterator(const iterator &o)
+#else
+        inline const_iterator(const iterator &o)
+#endif
+        { i = o.i; }
+
+        inline const Key &key() const { return concrete(i)->key; }
+        inline const T &value() const { return concrete(i)->value; }
+#ifdef QT3_SUPPORT
+        inline QT3_SUPPORT const T &data() const { return concrete(i)->value; }
+#endif
+        inline const T &operator*() const { return concrete(i)->value; }
+        inline const T *operator->() const { return &concrete(i)->value; }
+        inline bool operator==(const const_iterator &o) const { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const { return i != o.i; }
+
+        inline const_iterator &operator++() {
+            i = i->forward[0];
+            return *this;
+        }
+        inline const_iterator operator++(int) {
+            const_iterator r = *this;
+            i = i->forward[0];
+            return r;
+        }
+        inline const_iterator &operator--() {
+            i = i->backward;
+            return *this;
+        }
+        inline const_iterator operator--(int) {
+            const_iterator r = *this;
+            i = i->backward;
+            return r;
+        }
+        inline const_iterator operator+(int j) const
+        { const_iterator r = *this; if (j > 0) while (j--) ++r; else while (j++) --r; return r; }
+        inline const_iterator operator-(int j) const { return operator+(-j); }
+        inline const_iterator &operator+=(int j) { return *this = *this + j; }
+        inline const_iterator &operator-=(int j) { return *this = *this - j; }
+
+        // ### Qt 5: not sure this is necessary anymore
+#ifdef QT_STRICT_ITERATORS
+    private:
+        inline bool operator==(const iterator &o) { return operator==(const_iterator(o)); }
+        inline bool operator!=(const iterator &o) { return operator!=(const_iterator(o)); }
+#endif
+
+    private:
+        // ### Qt 5: remove
+        inline operator bool() const { return false; }
+    };
+    friend class const_iterator;
+
+    // STL style
+    inline iterator begin() { detach(); return iterator(e->forward[0]); }
+    inline const_iterator begin() const { return const_iterator(e->forward[0]); }
+    inline const_iterator constBegin() const { return const_iterator(e->forward[0]); }
+    inline iterator end() {
+        detach();
+        return iterator(e);
+    }
+    inline const_iterator end() const { return const_iterator(e); }
+    inline const_iterator constEnd() const { return const_iterator(e); }
+    iterator erase(iterator it);
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT iterator remove(iterator it) { return erase(it); }
+    inline QT3_SUPPORT void erase(const Key &aKey) { remove(aKey); }
+#endif
+
+    // more Qt
+    typedef iterator Iterator;
+    typedef const_iterator ConstIterator;
+    inline int count() const { return d->size; }
+    iterator find(const Key &key);
+    const_iterator find(const Key &key) const;
+    const_iterator constFind(const Key &key) const;
+    iterator lowerBound(const Key &key);
+    const_iterator lowerBound(const Key &key) const;
+    iterator upperBound(const Key &key);
+    const_iterator upperBound(const Key &key) const;
+    iterator insert(const Key &key, const T &value);
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT iterator insert(const Key &key, const T &value, bool overwrite);
+#endif
+    iterator insertMulti(const Key &key, const T &value);
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT iterator replace(const Key &aKey, const T &aValue) { return insert(aKey, aValue); }
+#endif
+    QMap<Key, T> &unite(const QMap<Key, T> &other);
+
+    // STL compatibility
+    typedef Key key_type;
+    typedef T mapped_type;
+    typedef ptrdiff_t difference_type;
+    typedef int size_type;
+    inline bool empty() const { return isEmpty(); }
+
+#ifdef QT_QMAP_DEBUG
+    inline void dump() const { d->dump(); }
+#endif
+
+private:
+    void detach_helper();
+    void freeData(QMapData *d);
+    QMapData::Node *findNode(const Key &key) const;
+    QMapData::Node *mutableFindNode(QMapData::Node *update[], const Key &key) const;
+    QMapData::Node *node_create(QMapData *d, QMapData::Node *update[], const Key &key,
+                                const T &value);
+};
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE QMap<Key, T> &QMap<Key, T>::operator=(const QMap<Key, T> &other)
+{
+    if (d != other.d) {
+        other.d->ref.ref();
+        if (!d->ref.deref())
+            freeData(d);
+        d = other.d;
+        if (!d->sharable)
+            detach_helper();
+    }
+    return *this;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE void QMap<Key, T>::clear()
+{
+    *this = QMap<Key, T>();
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMapData::Node *
+QMap<Key, T>::node_create(QMapData *adt, QMapData::Node *aupdate[], const Key &akey, const T &avalue)
+{
+    QMapData::Node *abstractNode = adt->node_create(aupdate, payload());
+    Node *concreteNode = concrete(abstractNode);
+    new (&concreteNode->key) Key(akey);
+    new (&concreteNode->value) T(avalue);
+    return abstractNode;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE QMapData::Node *QMap<Key, T>::findNode(const Key &akey) const
+{
+    QMapData::Node *cur = e;
+    QMapData::Node *next = e;
+
+    for (int i = d->topLevel; i >= 0; i--) {
+        while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, akey))
+            cur = next;
+    }
+
+    if (next != e && !qMapLessThanKey<Key>(akey, concrete(next)->key)) {
+        return next;
+    } else {
+        return e;
+    }
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QMap<Key, T>::value(const Key &akey) const
+{
+    QMapData::Node *node;
+    if (d->size == 0 || (node = findNode(akey)) == e) {
+        return T();
+    } else {
+        return concrete(node)->value;
+    }
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QMap<Key, T>::value(const Key &akey, const T &adefaultValue) const
+{
+    QMapData::Node *node;
+    if (d->size == 0 || (node = findNode(akey)) == e) {
+        return adefaultValue;
+    } else {
+        return concrete(node)->value;
+    }
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE const T QMap<Key, T>::operator[](const Key &akey) const
+{
+    return value(akey);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE T &QMap<Key, T>::operator[](const Key &akey)
+{
+    detach();
+
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    QMapData::Node *node = mutableFindNode(update, akey);
+    if (node == e)
+        node = node_create(d, update, akey, T());
+    return concrete(node)->value;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE int QMap<Key, T>::count(const Key &akey) const
+{
+    int cnt = 0;
+    QMapData::Node *node = findNode(akey);
+    if (node != e) {
+        do {
+            ++cnt;
+            node = node->forward[0];
+        } while (node != e && !qMapLessThanKey<Key>(akey, concrete(node)->key));
+    }
+    return cnt;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE bool QMap<Key, T>::contains(const Key &akey) const
+{
+    return findNode(akey) != e;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::insert(const Key &akey,
+                                                                       const T &avalue)
+{
+    detach();
+
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    QMapData::Node *node = mutableFindNode(update, akey);
+    if (node == e) {
+        node = node_create(d, update, akey, avalue);
+    } else {
+        concrete(node)->value = avalue;
+    }
+    return iterator(node);
+}
+
+#ifdef QT3_SUPPORT
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::insert(const Key &akey,
+                                                                       const T &avalue,
+                                                                       bool aoverwrite)
+{
+    detach();
+
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    QMapData::Node *node = mutableFindNode(update, akey);
+    if (node == e) {
+        node = node_create(d, update, akey, avalue);
+    } else {
+        if (aoverwrite)
+            concrete(node)->value = avalue;
+    }
+    return iterator(node);
+}
+#endif
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::insertMulti(const Key &akey,
+                                                                            const T &avalue)
+{
+    detach();
+
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    mutableFindNode(update, akey);
+    return iterator(node_create(d, update, akey, avalue));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::const_iterator QMap<Key, T>::find(const Key &akey) const
+{
+    return const_iterator(findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::const_iterator QMap<Key, T>::constFind(const Key &akey) const
+{
+    return const_iterator(findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::find(const Key &akey)
+{
+    detach();
+    return iterator(findNode(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE QMap<Key, T> &QMap<Key, T>::unite(const QMap<Key, T> &other)
+{
+    QMap<Key, T> copy(other);
+    const_iterator it = copy.constEnd();
+    const const_iterator b = copy.constBegin();
+    while (it != b) {
+        --it;
+        insertMulti(it.key(), it.value());
+    }
+    return *this;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE void QMap<Key, T>::freeData(QMapData *x)
+{
+    if (QTypeInfo<Key>::isComplex || QTypeInfo<T>::isComplex) {
+        QMapData::Node *y = reinterpret_cast<QMapData::Node *>(x);
+        QMapData::Node *cur = y;
+        QMapData::Node *next = cur->forward[0];
+        while (next != y) {
+            cur = next;
+            next = cur->forward[0];
+#if defined(_MSC_VER) && (_MSC_VER >= 1300)
+#pragma warning(disable:4189)
+#endif
+            Node *concreteNode = concrete(cur);
+            concreteNode->key.~Key();
+            concreteNode->value.~T();
+#if defined(_MSC_VER) && (_MSC_VER >= 1300)
+#pragma warning(default:4189)
+#endif
+        }
+    }
+    x->continueFreeData(payload());
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE int QMap<Key, T>::remove(const Key &akey)
+{
+    detach();
+
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    QMapData::Node *cur = e;
+    QMapData::Node *next = e;
+    int oldSize = d->size;
+
+    for (int i = d->topLevel; i >= 0; i--) {
+        while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, akey))
+            cur = next;
+        update[i] = cur;
+    }
+
+    if (next != e && !qMapLessThanKey<Key>(akey, concrete(next)->key)) {
+        bool deleteNext = true;
+        do {
+            cur = next;
+            next = cur->forward[0];
+            deleteNext = (next != e && !qMapLessThanKey<Key>(concrete(cur)->key, concrete(next)->key));
+            concrete(cur)->key.~Key();
+            concrete(cur)->value.~T();
+            d->node_delete(update, payload(), cur);
+        } while (deleteNext);
+    }
+    return oldSize - d->size;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE T QMap<Key, T>::take(const Key &akey)
+{
+    detach();
+
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    QMapData::Node *cur = e;
+    QMapData::Node *next = e;
+
+    for (int i = d->topLevel; i >= 0; i--) {
+        while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, akey))
+            cur = next;
+        update[i] = cur;
+    }
+
+    if (next != e && !qMapLessThanKey<Key>(akey, concrete(next)->key)) {
+        T t = concrete(next)->value;
+        concrete(next)->key.~Key();
+        concrete(next)->value.~T();
+        d->node_delete(update, payload(), next);
+        return t;
+    }
+    return T();
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::erase(iterator it)
+{
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    QMapData::Node *cur = e;
+    QMapData::Node *next = e;
+
+    if (it == iterator(e))
+        return it;
+
+    for (int i = d->topLevel; i >= 0; i--) {
+        while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, it.key()))
+            cur = next;
+        update[i] = cur;
+    }
+
+    while (next != e) {
+        cur = next;
+        next = cur->forward[0];
+        if (cur == it) {
+            concrete(cur)->key.~Key();
+            concrete(cur)->value.~T();
+            d->node_delete(update, payload(), cur);
+            return iterator(next);
+        }
+
+        for (int i = 0; i <= d->topLevel; ++i) {
+            if (update[i]->forward[i] != cur)
+                break;
+            update[i] = cur;
+        }
+    }
+    return end();
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE void QMap<Key, T>::detach_helper()
+{
+    union { QMapData *d; QMapData::Node *e; } x;
+    x.d = QMapData::createData();
+    if (d->size) {
+        x.d->insertInOrder = true;
+        QMapData::Node *update[QMapData::LastLevel + 1];
+        QMapData::Node *cur = e->forward[0];
+        update[0] = x.e;
+        while (cur != e) {
+            Node *concreteNode = concrete(cur);
+            node_create(x.d, update, concreteNode->key, concreteNode->value);
+            cur = cur->forward[0];
+        }
+        x.d->insertInOrder = false;
+    }
+    if (!d->ref.deref())
+        freeData(d);
+    d = x.d;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QMapData::Node *QMap<Key, T>::mutableFindNode(QMapData::Node *aupdate[],
+                                                                   const Key &akey) const
+{
+    QMapData::Node *cur = e;
+    QMapData::Node *next = e;
+
+    for (int i = d->topLevel; i >= 0; i--) {
+        while ((next = cur->forward[i]) != e && qMapLessThanKey<Key>(concrete(next)->key, akey))
+            cur = next;
+        aupdate[i] = cur;
+    }
+    if (next != e && !qMapLessThanKey<Key>(akey, concrete(next)->key)) {
+        return next;
+    } else {
+        return e;
+    }
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QMap<Key, T>::uniqueKeys() const
+{
+    QList<Key> res;
+    const_iterator i = begin();
+    if (i != end()) {
+        for (;;) {
+            const Key &aKey = i.key();
+            res.append(aKey);
+            do {
+                if (++i == end())
+                    goto break_out_of_outer_loop;
+            } while (!(aKey < i.key()));   // loop while (key == i.key())
+        }
+    }
+break_out_of_outer_loop:
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QMap<Key, T>::keys() const
+{
+    QList<Key> res;
+    const_iterator i = begin();
+    while (i != end()) {
+        res.append(i.key());
+        ++i;
+    }
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<Key> QMap<Key, T>::keys(const T &avalue) const
+{
+    QList<Key> res;
+    const_iterator i = begin();
+    while (i != end()) {
+        if (i.value() == avalue)
+            res.append(i.key());
+        ++i;
+    }
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE const Key QMap<Key, T>::key(const T &avalue) const
+{
+    return key(avalue, Key());
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE const Key QMap<Key, T>::key(const T &avalue, const Key &defaultKey) const
+{
+    const_iterator i = begin();
+    while (i != end()) {
+        if (i.value() == avalue)
+            return i.key();
+        ++i;
+    }
+
+    return defaultKey;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<T> QMap<Key, T>::values() const
+{
+    QList<T> res;
+    const_iterator i = begin();
+    while (i != end()) {
+        res.append(i.value());
+        ++i;
+    }
+    return res;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QList<T> QMap<Key, T>::values(const Key &akey) const
+{
+    QList<T> res;
+    QMapData::Node *node = findNode(akey);
+    if (node != e) {
+        do {
+            res.append(concrete(node)->value);
+            node = node->forward[0];
+        } while (node != e && !qMapLessThanKey<Key>(akey, concrete(node)->key));
+    }
+    return res;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::const_iterator
+QMap<Key, T>::lowerBound(const Key &akey) const
+{
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    mutableFindNode(update, akey);
+    return const_iterator(update[0]->forward[0]);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::lowerBound(const Key &akey)
+{
+    detach();
+    return static_cast<QMapData::Node *>(const_cast<const QMap *>(this)->lowerBound(akey));
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::const_iterator
+QMap<Key, T>::upperBound(const Key &akey) const
+{
+    QMapData::Node *update[QMapData::LastLevel + 1];
+    mutableFindNode(update, akey);
+    QMapData::Node *node = update[0]->forward[0];
+    while (node != e && !qMapLessThanKey<Key>(akey, concrete(node)->key))
+        node = node->forward[0];
+    return const_iterator(node);
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE typename QMap<Key, T>::iterator QMap<Key, T>::upperBound(const Key &akey)
+{
+    detach();
+    return static_cast<QMapData::Node *>(const_cast<const QMap *>(this)->upperBound(akey));
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE bool QMap<Key, T>::operator==(const QMap<Key, T> &other) const
+{
+    if (size() != other.size())
+        return false;
+    if (d == other.d)
+        return true;
+
+    const_iterator it1 = begin();
+    const_iterator it2 = other.begin();
+
+    while (it1 != end()) {
+        if (!(it1.value() == it2.value()) || qMapLessThanKey(it1.key(), it2.key()) || qMapLessThanKey(it2.key(), it1.key()))
+            return false;
+        ++it2;
+        ++it1;
+    }
+    return true;
+}
+
+#ifndef QT_NO_STL
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE QMap<Key, T>::QMap(const std::map<Key, T> &other)
+{
+    d = QMapData::createData();
+    d->insertInOrder = true;
+    typename std::map<Key,T>::const_iterator it = other.end();
+    while (it != other.begin()) {
+        --it;
+        insert((*it).first, (*it).second);
+    }
+    d->insertInOrder = false;
+}
+
+template <class Key, class T>
+Q_OUTOFLINE_TEMPLATE std::map<Key, T> QMap<Key, T>::toStdMap() const
+{
+    std::map<Key, T> map;
+    const_iterator it = end();
+    while (it != begin()) {
+        --it;
+        map.insert(std::pair<Key, T>(it.key(), it.value()));
+    }
+    return map;
+}
+
+#endif // QT_NO_STL
+
+template <class Key, class T>
+class QMultiMap : public QMap<Key, T>
+{
+public:
+    QMultiMap() {}
+    QMultiMap(const QMap<Key, T> &other) : QMap<Key, T>(other) {}
+
+    inline typename QMap<Key, T>::iterator replace(const Key &key, const T &value)
+    { return QMap<Key, T>::insert(key, value); }
+    inline typename QMap<Key, T>::iterator insert(const Key &key, const T &value)
+    { return QMap<Key, T>::insertMulti(key, value); }
+
+    inline QMultiMap &operator+=(const QMultiMap &other)
+    { unite(other); return *this; }
+    inline QMultiMap operator+(const QMultiMap &other) const
+    { QMultiMap result = *this; result += other; return result; }
+
+#ifndef Q_NO_USING_KEYWORD
+    using QMap<Key, T>::contains;
+    using QMap<Key, T>::remove;
+    using QMap<Key, T>::count;
+    using QMap<Key, T>::find;
+    using QMap<Key, T>::constFind;
+#else
+    inline bool contains(const Key &key) const
+    { return QMap<Key, T>::contains(key); }
+    inline int remove(const Key &key)
+    { return QMap<Key, T>::remove(key); }
+    inline int count(const Key &key) const
+    { return QMap<Key, T>::count(key); }
+    inline int count() const
+    { return QMap<Key, T>::count(); }
+    inline typename QMap<Key, T>::iterator find(const Key &key)
+    { return QMap<Key, T>::find(key); }
+    inline typename QMap<Key, T>::const_iterator find(const Key &key) const
+    { return QMap<Key, T>::find(key); }
+    inline typename QMap<Key, T>::const_iterator constFind(const Key &key) const
+    { return QMap<Key, T>::constFind(key); }
+#endif
+
+    bool contains(const Key &key, const T &value) const;
+
+    int remove(const Key &key, const T &value);
+
+    int count(const Key &key, const T &value) const;
+
+    typename QMap<Key, T>::iterator find(const Key &key, const T &value) {
+        typename QMap<Key, T>::iterator i(find(key));
+        typename QMap<Key, T>::iterator end(this->end());
+        while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
+            if (i.value() == value)
+                return i;
+            ++i;
+        }
+        return end;
+    }
+    typename QMap<Key, T>::const_iterator find(const Key &key, const T &value) const {
+        typename QMap<Key, T>::const_iterator i(constFind(key));
+        typename QMap<Key, T>::const_iterator end(QMap<Key, T>::constEnd());
+        while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
+            if (i.value() == value)
+                return i;
+            ++i;
+        }
+        return end;
+    }
+    typename QMap<Key, T>::const_iterator constFind(const Key &key, const T &value) const
+        { return find(key, value); }
+private:
+    T &operator[](const Key &key);
+    const T operator[](const Key &key) const;
+};
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE bool QMultiMap<Key, T>::contains(const Key &key, const T &value) const
+{
+    return constFind(key, value) != QMap<Key, T>::constEnd();
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE int QMultiMap<Key, T>::remove(const Key &key, const T &value)
+{
+    int n = 0;
+    typename QMap<Key, T>::iterator i(find(key));
+    typename QMap<Key, T>::const_iterator end(QMap<Key, T>::constEnd());
+    while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
+        if (i.value() == value) {
+            i = erase(i);
+            ++n;
+        } else {
+            ++i;
+        }
+    }
+    return n;
+}
+
+template <class Key, class T>
+Q_INLINE_TEMPLATE int QMultiMap<Key, T>::count(const Key &key, const T &value) const
+{
+    int n = 0;
+    typename QMap<Key, T>::const_iterator i(constFind(key));
+    typename QMap<Key, T>::const_iterator end(QMap<Key, T>::constEnd());
+    while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
+        if (i.value() == value)
+            ++n;
+        ++i;
+    }
+    return n;
+}
+
+Q_DECLARE_ASSOCIATIVE_ITERATOR(Map)
+Q_DECLARE_MUTABLE_ASSOCIATIVE_ITERATOR(Map)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMAP_H
diff --git a/src/corelib/tools/qpair.h b/src/corelib/tools/qpair.h
new file mode 100644
index 0000000000..24088e43a0
--- /dev/null
+++ b/src/corelib/tools/qpair.h
@@ -0,0 +1,127 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPAIR_H
+#define QPAIR_H
+
+#include <QtCore/qdatastream.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <class T1, class T2>
+struct QPair
+{
+    typedef T1 first_type;
+    typedef T2 second_type;
+
+    QPair() : first(T1()), second(T2()) {}
+    QPair(const T1 &t1, const T2 &t2) : first(t1), second(t2) {}
+
+    QPair<T1, T2> &operator=(const QPair<T1, T2> &other)
+    { first = other.first; second = other.second; return *this; }
+
+    T1 first;
+    T2 second;
+};
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator==(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{ return p1.first == p2.first && p1.second == p2.second; }
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator!=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{ return !(p1 == p2); }
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator<(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{
+    return p1.first < p2.first || (!(p2.first < p1.first) && p1.second < p2.second);
+}
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator>(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{
+    return p2 < p1;
+}
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator<=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{
+    return !(p2 < p1);
+}
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator>=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{
+    return !(p1 < p2);
+}
+
+template <class T1, class T2>
+Q_OUTOFLINE_TEMPLATE QPair<T1, T2> qMakePair(const T1 &x, const T2 &y)
+{
+    return QPair<T1, T2>(x, y);
+}
+
+#ifndef QT_NO_DATASTREAM
+template <class T1, class T2>
+inline QDataStream& operator>>(QDataStream& s, QPair<T1, T2>& p)
+{
+    s >> p.first >> p.second;
+    return s;
+}
+
+template <class T1, class T2>
+inline QDataStream& operator<<(QDataStream& s, const QPair<T1, T2>& p)
+{
+    s << p.first << p.second;
+    return s;
+}
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPAIR_H
diff --git a/src/corelib/tools/qpodlist_p.h b/src/corelib/tools/qpodlist_p.h
new file mode 100644
index 0000000000..9708f8d2e8
--- /dev/null
+++ b/src/corelib/tools/qpodlist_p.h
@@ -0,0 +1,263 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPODLIST_P_H
+#define QPODLIST_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qcontainerfwd.h>
+#include <QtCore/qglobal.h>
+#include <new>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template<class T, int Prealloc>
+class QPodList
+{
+public:
+    inline explicit QPodList(int size = 0);
+
+    inline QPodList(const QPodList<T, Prealloc> &other)
+        : a(Prealloc), s(0), ptr(reinterpret_cast<T *>(array))
+    {
+        append(other.constData(), other.size());
+    }
+
+    inline ~QPodList() {
+        if (ptr != reinterpret_cast<T *>(array))
+            qFree(ptr);
+    }
+    inline QPodList<T, Prealloc> &operator=(const QPodList<T, Prealloc> &other)
+    {
+        if (this != &other) {
+            clear();
+            append(other.constData(), other.size());
+        }
+        return *this;
+    }
+
+    inline int size() const { return s; }
+    inline int count() const { return s; }
+    inline bool isEmpty() const { return (s == 0); }
+    inline void resize(int size);
+    inline void clear() { resize(0); }
+
+    inline int capacity() const { return a; }
+    inline void reserve(int size);
+
+    inline T &operator[](int idx) {
+        Q_ASSERT(idx >= 0 && idx < s);
+        return ptr[idx];
+    }
+    inline const T &operator[](int idx) const {
+        Q_ASSERT(idx >= 0 && idx < s);
+        return ptr[idx];
+    }
+
+    inline const T &at(int idx) const {
+        Q_ASSERT(idx >= 0 && idx < s);
+        return ptr[idx];
+    }
+
+    inline const T &first() const {
+        return at(0);
+    }
+
+    inline T& append() {
+        const int idx = s++;
+        if (s == a)
+            realloc(s, s<<1);
+        return ptr[idx];
+    }
+    inline void append(const T &t) {
+        append() = t;
+    }
+
+    inline T& insert(int idx) {
+        Q_ASSERT(idx >= 0 && idx <= s);
+        const int sz = s++;
+        if (s == a)
+            realloc(s, s<<1);
+        ::memmove(ptr + idx + 1, ptr + idx, (sz - idx) * sizeof(T));
+        return ptr[idx];
+    }
+    inline void insert(int idx, const T &t) {
+        insert(idx) = t;
+    }
+
+    inline void removeAt(int idx) {
+        Q_ASSERT(idx >= 0 && idx < s);
+        ::memmove(ptr + idx, ptr + idx + 1, (s - idx - 1) * sizeof(T));
+        --s;
+    }
+
+    inline void removeAll(const T &t) {
+        int i = 0;
+        for (int j = 0; j < s; ++j) {
+            if (ptr[j] != t)
+                ptr[i++] = ptr[j];
+        }
+        s = i;
+    }
+
+    inline int indexOf(const T &t, int from = 0) const {
+        if (from < 0)
+            from = qMax(from + s, 0);
+        if (from < s) {
+            const T *n = ptr + from - 1;
+            const T *e = ptr + s;
+            while (++n != e)
+                if (*n == t)
+                    return n - ptr;
+        }
+        return -1;
+    }
+
+    inline bool contains(const T &t) const {
+        return indexOf(t) >= 0;
+    }
+
+    inline T takeFirst() {
+        Q_ASSERT(s > 0);
+        T tmp = ptr[0];
+        removeAt(0);
+        return tmp;
+    }
+
+    inline T *data() { return ptr; }
+    inline const T *data() const { return ptr; }
+    inline const T * constData() const { return ptr; }
+
+private:
+    void append(const T *buf, int size);
+    void realloc(int size, int alloc);
+
+    int a;
+    int s;
+    T *ptr;
+    union {
+        // ### Qt 5: Use 'Prealloc * sizeof(T)' as array size
+        char array[sizeof(qint64) * (((Prealloc * sizeof(T)) / sizeof(qint64)) + 1)];
+        qint64 q_for_alignment_1;
+        double q_for_alignment_2;
+    };
+};
+
+template <class T, int Prealloc>
+Q_INLINE_TEMPLATE QPodList<T, Prealloc>::QPodList(int asize)
+    : s(asize) {
+    if (s > Prealloc) {
+        ptr = reinterpret_cast<T *>(qMalloc(s * sizeof(T)));
+        a = s;
+    } else {
+        ptr = reinterpret_cast<T *>(array);
+        a = Prealloc;
+    }
+}
+
+template <class T, int Prealloc>
+Q_INLINE_TEMPLATE void QPodList<T, Prealloc>::resize(int asize)
+{ realloc(asize, qMax(asize, a)); }
+
+template <class T, int Prealloc>
+Q_INLINE_TEMPLATE void QPodList<T, Prealloc>::reserve(int asize)
+{ if (asize > a) realloc(s, asize); }
+
+template <class T, int Prealloc>
+Q_OUTOFLINE_TEMPLATE void QPodList<T, Prealloc>::append(const T *abuf, int asize)
+{
+    Q_ASSERT(abuf);
+    if (asize <= 0)
+        return;
+
+    const int idx = s;
+    const int news = s + asize;
+    if (news >= a)
+        realloc(news, news<<1);
+    else
+        s = news;
+
+    qMemCopy(&ptr[idx], abuf, asize * sizeof(T));
+}
+
+template <class T, int Prealloc>
+Q_OUTOFLINE_TEMPLATE void QPodList<T, Prealloc>::realloc(int asize, int aalloc)
+{
+    Q_ASSERT(aalloc >= asize);
+    T *oldPtr = ptr;
+    int osize = s;
+    s = asize;
+
+    if (aalloc != a) {
+        ptr = reinterpret_cast<T *>(qMalloc(aalloc * sizeof(T)));
+        if (ptr) {
+            a = aalloc;
+            qMemCopy(ptr, oldPtr, osize * sizeof(T));
+        } else {
+            ptr = oldPtr;
+            s = 0;
+            asize = 0;
+        }
+    }
+
+    if (oldPtr != reinterpret_cast<T *>(array) && oldPtr != ptr)
+        qFree(oldPtr);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPODLIST_P_H
diff --git a/src/corelib/tools/qpoint.cpp b/src/corelib/tools/qpoint.cpp
new file mode 100644
index 0000000000..feea473102
--- /dev/null
+++ b/src/corelib/tools/qpoint.cpp
@@ -0,0 +1,665 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qpoint.h"
+#include "qdatastream.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QPoint
+    \ingroup multimedia
+
+    \brief The QPoint class defines a point in the plane using integer
+    precision.
+
+    A point is specified by a x coordinate and an y coordinate which
+    can be accessed using the x() and y() functions. The isNull()
+    function returns true if both x and y are set to 0. The
+    coordinates can be set (or altered) using the setX() and setY()
+    functions, or alternatively the rx() and ry() functions which
+    return references to the coordinates (allowing direct
+    manipulation).
+
+    Given a point \e p, the following statements are all equivalent:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 0
+
+    A QPoint object can also be used as a vector: Addition and
+    subtraction are defined as for vectors (each component is added
+    separately). A QPoint object can also be divided or multiplied by
+    an \c int or a \c qreal.
+
+    In addition, the QPoint class provides the manhattanLength()
+    function which gives an inexpensive approximation of the length of
+    the QPoint object interpreted as a vector. Finally, QPoint objects
+    can be streamed as well as compared.
+
+    \sa QPointF, QPolygon
+*/
+
+
+/*****************************************************************************
+  QPoint member functions
+ *****************************************************************************/
+
+/*!
+    \fn QPoint::QPoint()
+
+    Constructs a null point, i.e. with coordinates (0, 0)
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QPoint::QPoint(int x, int y)
+
+    Constructs a point with the given coordinates (\a x, \a  y).
+
+    \sa setX(), setY()
+*/
+
+/*!
+    \fn bool QPoint::isNull() const
+
+    Returns true if both the x and y coordinates are set to 0,
+    otherwise returns false.
+*/
+
+/*!
+    \fn int QPoint::x() const
+
+    Returns the x coordinate of this point.
+
+    \sa setX(), rx()
+*/
+
+/*!
+    \fn int QPoint::y() const
+
+    Returns the y coordinate of this point.
+
+    \sa setY(), ry()
+*/
+
+/*!
+    \fn void QPoint::setX(int x)
+
+    Sets the x coordinate of this point to the given \a x coordinate.
+
+    \sa x() setY()
+*/
+
+/*!
+    \fn void QPoint::setY(int y)
+
+    Sets the y coordinate of this point to the given \a y coordinate.
+
+    \sa y() setX()
+*/
+
+
+/*!
+    \fn int &QPoint::rx()
+
+    Returns a reference to the x coordinate of this point.
+
+    Using a reference makes it possible to directly manipulate x. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 1
+
+    \sa x() setX()
+*/
+
+/*!
+    \fn int &QPoint::ry()
+
+    Returns a reference to the y coordinate of this point.
+
+    Using a reference makes it possible to directly manipulate y. For
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 2
+
+    \sa y(), setY()
+*/
+
+
+/*!
+    \fn QPoint &QPoint::operator+=(const QPoint &point)
+
+    Adds the given \a point to this point and returns a reference to
+    this point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 3
+
+    \sa operator-=()
+*/
+
+/*!
+    \fn QPoint &QPoint::operator-=(const QPoint &point)
+
+    Subtracts the given \a point from this point and returns a
+    reference to this point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 4
+
+    \sa operator+=()
+*/
+
+/*!
+    \fn QPoint &QPoint::operator*=(qreal factor)
+
+    Multiplies this point's coordinates by the given \a factor, and
+    returns a reference to this point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 5
+
+    Note that the result is rounded to the nearest integer as points are held as
+    integers. Use QPointF for floating point accuracy.
+
+    \sa operator/=()
+*/
+
+
+/*!
+    \fn bool operator==(const QPoint &p1, const QPoint &p2)
+    \relates QPoint
+
+    Returns true if \a p1 and \a p2 are equal; otherwise returns
+    false.
+*/
+
+/*!
+    \fn bool operator!=(const QPoint &p1, const QPoint &p2)
+    \relates QPoint
+
+    Returns true if \a p1 and \a p2 are not equal; otherwise returns false.
+*/
+
+/*!
+    \fn const QPoint operator+(const QPoint &p1, const QPoint &p2)
+    \relates QPoint
+
+    Returns a QPoint object that is the sum of the given points, \a p1
+    and \a p2; each component is added separately.
+
+    \sa QPoint::operator+=()
+*/
+
+/*!
+    \fn const QPoint operator-(const QPoint &p1, const QPoint &p2)
+    \relates QPoint
+
+    Returns a QPoint object that is formed by subtracting \a p2 from
+    \a p1; each component is subtracted separately.
+
+    \sa QPoint::operator-=()
+*/
+
+/*!
+    \fn const QPoint operator*(const QPoint &point, qreal factor)
+    \relates QPoint
+
+    Returns a copy of the given \a point multiplied by the given \a factor.
+
+    Note that the result is rounded to the nearest integer as points
+    are held as integers. Use QPointF for floating point accuracy.
+
+    \sa QPoint::operator*=()
+*/
+
+/*!
+    \fn const QPoint operator*(qreal factor, const QPoint &point)
+    \overload
+    \relates QPoint
+
+    Returns a copy of the given \a point multiplied by the given \a factor.
+*/
+
+/*!
+    \fn const QPoint operator-(const QPoint &point)
+    \overload
+    \relates QPoint
+
+    Returns a QPoint object that is formed by changing the sign of
+    both components of the given \a point.
+
+    Equivalent to \c{QPoint(0,0) - point}.
+*/
+
+/*!
+    \fn QPoint &QPoint::operator/=(qreal divisor)
+    \overload
+
+    Divides both x and y by the given \a divisor, and returns a reference to this
+    point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 6
+
+    Note that the result is rounded to the nearest integer as points are held as
+    integers. Use QPointF for floating point accuracy.
+
+    \sa operator*=()
+*/
+
+/*!
+    \fn const QPoint operator/(const QPoint &point, qreal divisor)
+    \relates QPoint
+
+    Returns the QPoint formed by dividing both components of the given \a point
+    by the given \a divisor.
+
+    Note that the result is rounded to the nearest integer as points are held as
+    integers. Use QPointF for floating point accuracy.
+
+    \sa QPoint::operator/=()
+*/
+
+/*****************************************************************************
+  QPoint stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+/*!
+    \fn QDataStream &operator<<(QDataStream &stream, const QPoint &point)
+    \relates QPoint
+
+    Writes the given \a point to the given \a stream and returns a
+    reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator<<(QDataStream &s, const QPoint &p)
+{
+    if (s.version() == 1)
+        s << (qint16)p.x() << (qint16)p.y();
+    else
+        s << (qint32)p.x() << (qint32)p.y();
+    return s;
+}
+
+/*!
+    \fn QDataStream &operator>>(QDataStream &stream, QPoint &point)
+    \relates QPoint
+
+    Reads a point from the given \a stream into the given \a point
+    and returns a reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator>>(QDataStream &s, QPoint &p)
+{
+    if (s.version() == 1) {
+        qint16 x, y;
+        s >> x;  p.rx() = x;
+        s >> y;  p.ry() = y;
+    }
+    else {
+        qint32 x, y;
+        s >> x;  p.rx() = x;
+        s >> y;  p.ry() = y;
+    }
+    return s;
+}
+
+#endif // QT_NO_DATASTREAM
+/*!
+    Returns the sum of the absolute values of x() and y(),
+    traditionally known as the "Manhattan length" of the vector from
+    the origin to the point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 7
+
+    This is a useful, and quick to calculate, approximation to the
+    true length:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 8
+
+    The tradition of "Manhattan length" arises because such distances
+    apply to travelers who can only travel on a rectangular grid, like
+    the streets of Manhattan.
+*/
+int QPoint::manhattanLength() const
+{
+    return qAbs(x())+qAbs(y());
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QPoint &p) {
+    dbg.nospace() << "QPoint(" << p.x() << ',' << p.y() << ')';
+    return dbg.space();
+}
+
+QDebug operator<<(QDebug d, const QPointF &p)
+{
+    d.nospace() << "QPointF(" << p.x() << ", " << p.y() << ")";
+    return d;
+}
+#endif
+
+/*!
+    \class QPointF
+    \ingroup multimedia
+
+    \brief The QPointF class defines a point in the plane using
+    floating point precision.
+
+    A point is specified by a x coordinate and an y coordinate which
+    can be accessed using the x() and y() functions. The coordinates
+    of the point are specified using floating point numbers for
+    accuracy. The isNull() function returns true if both x and y are
+    set to 0.0. The coordinates can be set (or altered) using the setX()
+    and setY() functions, or alternatively the rx() and ry() functions which
+    return references to the coordinates (allowing direct
+    manipulation).
+
+    Given a point \e p, the following statements are all equivalent:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 9
+
+    A QPointF object can also be used as a vector: Addition and
+    subtraction are defined as for vectors (each component is added
+    separately). A QPointF object can also be divided or multiplied by
+    an \c int or a \c qreal.
+
+    In addition, the QPointF class provides a constructor converting a
+    QPoint object into a QPointF object, and a corresponding toPoint()
+    function which returns a QPoint copy of \e this point. Finally,
+    QPointF objects can be streamed as well as compared.
+
+    \sa QPoint, QPolygonF
+*/
+
+/*!
+    \fn QPointF::QPointF()
+
+    Constructs a null point, i.e. with coordinates (0.0, 0.0)
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QPointF::QPointF(const QPoint &point)
+
+    Constructs a copy of the given \a point.
+
+    \sa toPoint()
+*/
+
+/*!
+    \fn QPointF::QPointF(qreal x, qreal y)
+
+    Constructs a point with the given coordinates (\a x, \a y).
+
+    \sa setX(), setY()
+*/
+
+/*!
+    \fn bool QPointF::isNull() const
+
+    Returns true if both the x and y coordinates are set to 0.0,
+    otherwise returns false.
+*/
+
+/*!
+    \fn qreal QPointF::x() const
+
+    Returns the x-coordinate of this point.
+
+    \sa setX(), rx()
+*/
+
+/*!
+    \fn qreal QPointF::y() const
+
+    Returns the y-coordinate of this point.
+
+    \sa setY(), ry()
+*/
+
+/*!
+    \fn void QPointF::setX(qreal x)
+
+    Sets the x coordinate of this point to the given \a x coordinate.
+
+    \sa x() setY()
+*/
+
+/*!
+    \fn void QPointF::setY(qreal y)
+
+    Sets the y coordinate of this point to the given \a y coordinate.
+
+    \sa  y(), setX()
+*/
+
+/*!
+    \fn qreal& QPointF::rx()
+
+    Returns a reference to the x coordinate of this point.
+
+    Using a reference makes it possible to directly manipulate x. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 10
+
+    \sa x(), setX()
+*/
+
+/*!
+    \fn qreal& QPointF::ry()
+
+    Returns a reference to the y coordinate of this point.
+
+    Using a reference makes it possible to directly manipulate y. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 11
+
+    \sa y() setY()
+*/
+
+/*!
+    \fn QPointF& QPointF::operator+=(const QPointF &point)
+
+    Adds the given \a point to this point and returns a reference to
+    this point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 12
+
+    \sa operator-=()
+*/
+
+/*!
+    \fn QPointF& QPointF::operator-=(const QPointF &point)
+
+    Subtracts the given \a point from this point and returns a reference
+    to this point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 13
+
+    \sa operator+=()
+*/
+
+/*!
+    \fn QPointF& QPointF::operator*=(qreal factor)
+
+    Multiplies this point's coordinates by the given \a factor, and
+    returns a reference to this point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 14
+
+    \sa operator/=()
+*/
+
+/*!
+    \fn QPointF& QPointF::operator/=(qreal divisor)
+
+    Divides both x and y by the given \a divisor, and returns a reference
+    to this point. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qpoint.cpp 15
+
+    \sa operator*=()
+*/
+
+/*!
+    \fn const QPointF operator+(const QPointF &p1, const QPointF &p2)
+    \relates QPointF
+
+    Returns a QPointF object that is the sum of the given points, \a p1
+    and \a p2; each component is added separately.
+
+    \sa QPointF::operator+=()
+*/
+
+/*!
+    \fn const QPointF operator-(const QPointF &p1, const QPointF &p2)
+    \relates QPointF
+
+    Returns a QPointF object that is formed by subtracting \a p2 from \a p1;
+    each component is subtracted separately.
+
+    \sa QPointF::operator-=()
+*/
+
+/*!
+    \fn const QPointF operator*(const QPointF &point, qreal factor)
+    \relates QPointF
+
+    Returns a copy of the given \a point,  multiplied by the given \a factor.
+
+    \sa QPointF::operator*=()
+*/
+
+/*!
+    \fn const QPointF operator*(qreal factor, const QPointF &point)
+    \relates QPointF
+
+    \overload
+
+    Returns a copy of the given \a point, multiplied by the given \a factor.
+*/
+
+/*!
+    \fn const QPointF operator-(const QPointF &point)
+    \relates QPointF
+    \overload
+
+    Returns a QPointF object that is formed by changing the sign of
+    both components of the given \a point.
+
+    Equivalent to \c {QPointF(0,0) - point}.
+*/
+
+/*!
+    \fn const QPointF operator/(const QPointF &point, qreal divisor)
+    \relates QPointF
+
+    Returns the QPointF object formed by dividing both components of
+    the given \a point by the given \a divisor.
+
+    \sa QPointF::operator/=()
+*/
+
+/*!
+    \fn QPoint QPointF::toPoint() const
+
+    Rounds the coordinates of this point to the nearest integer, and
+    returns a QPoint object with the rounded coordinates.
+
+    \sa QPointF()
+*/
+
+/*!
+    \fn bool operator==(const QPointF &p1, const QPointF &p2)
+    \relates QPointF
+
+    Returns true if \a p1 is equal to \a p2; otherwise returns false.
+*/
+
+/*!
+    \fn bool operator!=(const QPointF &p1, const QPointF &p2);
+    \relates QPointF
+
+    Returns true if \a p1 is not equal to \a p2; otherwise returns false.
+*/
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    \fn QDataStream &operator<<(QDataStream &stream, const QPointF &point)
+    \relates QPointF
+
+    Writes the given \a point to the given \a stream and returns a
+    reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator<<(QDataStream &s, const QPointF &p)
+{
+    s << double(p.x()) << double(p.y());
+    return s;
+}
+
+/*!
+    \fn QDataStream &operator>>(QDataStream &stream, QPointF &point)
+    \relates QPointF
+
+    Reads a point from the given \a stream into the given \a point
+    and returns a reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator>>(QDataStream &s, QPointF &p)
+{
+    double x, y;
+    s >> x;
+    s >> y;
+    p.setX(qreal(x));
+    p.setY(qreal(y));
+    return s;
+}
+#endif // QT_NO_DATASTREAM
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qpoint.h b/src/corelib/tools/qpoint.h
new file mode 100644
index 0000000000..1dab7e2a23
--- /dev/null
+++ b/src/corelib/tools/qpoint.h
@@ -0,0 +1,361 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPOINT_H
+#define QPOINT_H
+
+#include <QtCore/qnamespace.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QPoint
+{
+public:
+    QPoint();
+    QPoint(int xpos, int ypos);
+
+    bool isNull() const;
+
+    int x() const;
+    int y() const;
+    void setX(int x);
+    void setY(int y);
+
+    int manhattanLength() const;
+
+    int &rx();
+    int &ry();
+
+    QPoint &operator+=(const QPoint &p);
+    QPoint &operator-=(const QPoint &p);
+    QPoint &operator*=(qreal c);
+    QPoint &operator/=(qreal c);
+
+    friend inline bool operator==(const QPoint &, const QPoint &);
+    friend inline bool operator!=(const QPoint &, const QPoint &);
+    friend inline const QPoint operator+(const QPoint &, const QPoint &);
+    friend inline const QPoint operator-(const QPoint &, const QPoint &);
+    friend inline const QPoint operator*(const QPoint &, qreal);
+    friend inline const QPoint operator*(qreal, const QPoint &);
+    friend inline const QPoint operator-(const QPoint &);
+    friend inline const QPoint operator/(const QPoint &, qreal);
+
+private:
+    friend class QTransform;
+    // ### Qt 5;  remove the ifdef and just have the same order on all platforms.
+#if defined(Q_OS_MAC)
+    int yp;
+    int xp;
+#else
+    int xp;
+    int yp;
+#endif
+};
+
+Q_DECLARE_TYPEINFO(QPoint, Q_MOVABLE_TYPE);
+
+/*****************************************************************************
+  QPoint stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPoint &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPoint &);
+#endif
+
+/*****************************************************************************
+  QPoint inline functions
+ *****************************************************************************/
+
+inline QPoint::QPoint()
+{ xp=0; yp=0; }
+
+inline QPoint::QPoint(int xpos, int ypos)
+{ xp = xpos; yp = ypos; }
+
+inline bool QPoint::isNull() const
+{ return xp == 0 && yp == 0; }
+
+inline int QPoint::x() const
+{ return xp; }
+
+inline int QPoint::y() const
+{ return yp; }
+
+inline void QPoint::setX(int xpos)
+{ xp = xpos; }
+
+inline void QPoint::setY(int ypos)
+{ yp = ypos; }
+
+inline int &QPoint::rx()
+{ return xp; }
+
+inline int &QPoint::ry()
+{ return yp; }
+
+inline QPoint &QPoint::operator+=(const QPoint &p)
+{ xp+=p.xp; yp+=p.yp; return *this; }
+
+inline QPoint &QPoint::operator-=(const QPoint &p)
+{ xp-=p.xp; yp-=p.yp; return *this; }
+
+inline QPoint &QPoint::operator*=(qreal c)
+{ xp = qRound(xp*c); yp = qRound(yp*c); return *this; }
+
+inline bool operator==(const QPoint &p1, const QPoint &p2)
+{ return p1.xp == p2.xp && p1.yp == p2.yp; }
+
+inline bool operator!=(const QPoint &p1, const QPoint &p2)
+{ return p1.xp != p2.xp || p1.yp != p2.yp; }
+
+inline const QPoint operator+(const QPoint &p1, const QPoint &p2)
+{ return QPoint(p1.xp+p2.xp, p1.yp+p2.yp); }
+
+inline const QPoint operator-(const QPoint &p1, const QPoint &p2)
+{ return QPoint(p1.xp-p2.xp, p1.yp-p2.yp); }
+
+inline const QPoint operator*(const QPoint &p, qreal c)
+{ return QPoint(qRound(p.xp*c), qRound(p.yp*c)); }
+
+inline const QPoint operator*(qreal c, const QPoint &p)
+{ return QPoint(qRound(p.xp*c), qRound(p.yp*c)); }
+
+inline const QPoint operator-(const QPoint &p)
+{ return QPoint(-p.xp, -p.yp); }
+
+inline QPoint &QPoint::operator/=(qreal c)
+{
+    xp = qRound(xp/c);
+    yp = qRound(yp/c);
+    return *this;
+}
+
+inline const QPoint operator/(const QPoint &p, qreal c)
+{
+    return QPoint(qRound(p.xp/c), qRound(p.yp/c));
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QPoint &);
+#endif
+
+
+
+
+
+class Q_CORE_EXPORT QPointF
+{
+public:
+    QPointF();
+    QPointF(const QPoint &p);
+    QPointF(qreal xpos, qreal ypos);
+
+    bool isNull() const;
+
+    qreal x() const;
+    qreal y() const;
+    void setX(qreal x);
+    void setY(qreal y);
+
+    qreal &rx();
+    qreal &ry();
+
+    QPointF &operator+=(const QPointF &p);
+    QPointF &operator-=(const QPointF &p);
+    QPointF &operator*=(qreal c);
+    QPointF &operator/=(qreal c);
+
+    friend inline bool operator==(const QPointF &, const QPointF &);
+    friend inline bool operator!=(const QPointF &, const QPointF &);
+    friend inline const QPointF operator+(const QPointF &, const QPointF &);
+    friend inline const QPointF operator-(const QPointF &, const QPointF &);
+    friend inline const QPointF operator*(qreal, const QPointF &);
+    friend inline const QPointF operator*(const QPointF &, qreal);
+    friend inline const QPointF operator-(const QPointF &);
+    friend inline const QPointF operator/(const QPointF &, qreal);
+
+    QPoint toPoint() const;
+
+private:
+    friend class QMatrix;
+    friend class QTransform;
+
+    qreal xp;
+    qreal yp;
+};
+
+Q_DECLARE_TYPEINFO(QPointF, Q_MOVABLE_TYPE);
+
+/*****************************************************************************
+  QPointF stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPointF &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPointF &);
+#endif
+
+/*****************************************************************************
+  QPointF inline functions
+ *****************************************************************************/
+
+inline QPointF::QPointF() : xp(0), yp(0) { }
+
+inline QPointF::QPointF(qreal xpos, qreal ypos) : xp(xpos), yp(ypos) { }
+
+inline QPointF::QPointF(const QPoint &p) : xp(p.x()), yp(p.y()) { }
+
+inline bool QPointF::isNull() const
+{
+    return qIsNull(xp) && qIsNull(yp);
+}
+
+inline qreal QPointF::x() const
+{
+    return xp;
+}
+
+inline qreal QPointF::y() const
+{
+    return yp;
+}
+
+inline void QPointF::setX(qreal xpos)
+{
+    xp = xpos;
+}
+
+inline void QPointF::setY(qreal ypos)
+{
+    yp = ypos;
+}
+
+inline qreal &QPointF::rx()
+{
+    return xp;
+}
+
+inline qreal &QPointF::ry()
+{
+    return yp;
+}
+
+inline QPointF &QPointF::operator+=(const QPointF &p)
+{
+    xp+=p.xp;
+    yp+=p.yp;
+    return *this;
+}
+
+inline QPointF &QPointF::operator-=(const QPointF &p)
+{
+    xp-=p.xp; yp-=p.yp; return *this;
+}
+
+inline QPointF &QPointF::operator*=(qreal c)
+{
+    xp*=c; yp*=c; return *this;
+}
+
+inline bool operator==(const QPointF &p1, const QPointF &p2)
+{
+    return qFuzzyCompare(p1.xp, p2.xp) && qFuzzyCompare(p1.yp, p2.yp);
+}
+
+inline bool operator!=(const QPointF &p1, const QPointF &p2)
+{
+    return !qFuzzyCompare(p1.xp, p2.xp) || !qFuzzyCompare(p1.yp, p2.yp);
+}
+
+inline const QPointF operator+(const QPointF &p1, const QPointF &p2)
+{
+    return QPointF(p1.xp+p2.xp, p1.yp+p2.yp);
+}
+
+inline const QPointF operator-(const QPointF &p1, const QPointF &p2)
+{
+    return QPointF(p1.xp-p2.xp, p1.yp-p2.yp);
+}
+
+inline const QPointF operator*(const QPointF &p, qreal c)
+{
+    return QPointF(p.xp*c, p.yp*c);
+}
+
+inline const QPointF operator*(qreal c, const QPointF &p)
+{
+    return QPointF(p.xp*c, p.yp*c);
+}
+
+inline const QPointF operator-(const QPointF &p)
+{
+    return QPointF(-p.xp, -p.yp);
+}
+
+inline QPointF &QPointF::operator/=(qreal c)
+{
+    xp/=c;
+    yp/=c;
+    return *this;
+}
+
+inline const QPointF operator/(const QPointF &p, qreal c)
+{
+    return QPointF(p.xp/c, p.yp/c);
+}
+
+inline QPoint QPointF::toPoint() const
+{
+    return QPoint(qRound(xp), qRound(yp));
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug d, const QPointF &p);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPOINT_H
diff --git a/src/corelib/tools/qqueue.cpp b/src/corelib/tools/qqueue.cpp
new file mode 100644
index 0000000000..de16f8c286
--- /dev/null
+++ b/src/corelib/tools/qqueue.cpp
@@ -0,0 +1,129 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \class QQueue
+    \brief The QQueue class is a generic container that provides a queue.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QQueue\<T\> is one of Qt's generic \l{container classes}. It
+    implements a queue data structure for items of a same type.
+
+    A queue is a first in, first out (FIFO) structure. Items are
+    added to the tail of the queue using enqueue() and retrieved from
+    the head using dequeue(). The head() function provides access to
+    the head item without removing it.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qqueue.cpp 0
+
+    The example will output 1, 2, 3 in that order.
+
+    QQueue inherits from QList. All of QList's functionality also
+    applies to QQueue. For example, you can use isEmpty() to test
+    whether the queue is empty, and you can traverse a QQueue using
+    QList's iterator classes (for example, QListIterator). But in
+    addition, QQueue provides three convenience functions that make
+    it easy to implement FIFO semantics: enqueue(), dequeue(), and
+    head().
+
+    QQueue's value type must be an \l{assignable data type}. This
+    covers most data types that are commonly used, but the compiler
+    won't let you, for example, store a QWidget as a value. Use
+    QWidget* instead.
+
+    \sa QList, QStack
+*/
+
+/*!
+    \fn QQueue::QQueue()
+
+    Constructs an empty queue.
+*/
+
+/*!
+    \fn QQueue::~QQueue()
+
+    Destroys the queue. References to the values in the queue, and all
+    iterators over this queue, become invalid.
+*/
+
+/*!
+    \fn void QQueue::enqueue(const T& t)
+
+    Adds value \a t to the tail of the queue.
+
+    This is the same as QList::append().
+
+    \sa dequeue(), head()
+*/
+
+/*!
+    \fn T &QQueue::head()
+
+    Returns a reference to the queue's head item. This function
+    assumes that the queue isn't empty.
+
+    This is the same as QList::first().
+
+    \sa dequeue(), enqueue(), isEmpty()
+*/
+
+/*!
+    \fn const T &QQueue::head() const
+
+    \overload
+*/
+
+/*!
+    \fn T QQueue::dequeue()
+
+    Removes the head item in the queue and returns it. This function
+    assumes that the queue isn't empty.
+
+    This is the same as QList::takeFirst().
+
+    \sa head(), enqueue(), isEmpty()
+*/
diff --git a/src/corelib/tools/qqueue.h b/src/corelib/tools/qqueue.h
new file mode 100644
index 0000000000..8c7385e1c5
--- /dev/null
+++ b/src/corelib/tools/qqueue.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUEUE_H
+#define QQUEUE_H
+
+#include <QtCore/qlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <class T>
+class QQueue : public QList<T>
+{
+public:
+    inline QQueue() {}
+    inline ~QQueue() {}
+    inline void enqueue(const T &t) { QList<T>::append(t); }
+    inline T dequeue() { return QList<T>::takeFirst(); }
+    inline T &head() { return QList<T>::first(); }
+    inline const T &head() const { return QList<T>::first(); }
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QQUEUE_H
diff --git a/src/corelib/tools/qrect.cpp b/src/corelib/tools/qrect.cpp
new file mode 100644
index 0000000000..3930a0d6a4
--- /dev/null
+++ b/src/corelib/tools/qrect.cpp
@@ -0,0 +1,2471 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qrect.h"
+#include "qdatastream.h"
+#include "qdebug.h"
+#include "qmath.h"
+
+#include <math.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QRect
+    \ingroup multimedia
+
+    \brief The QRect class defines a rectangle in the plane using
+    integer precision.
+
+    A rectangle is normally expressed as an upper-left corner and a
+    size.  The size (width and height) of a QRect is always equivalent
+    to the mathematical rectangle that forms the basis for its
+    rendering.
+
+    A QRect can be constructed with a set of left, top, width and
+    height integers, or from a QPoint and a QSize.  The following code
+    creates two identical rectangles.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qrect.cpp 0
+
+    There is a third constructor that creates a QRect using the
+    top-left and bottom-right coordinates, but we recommend that you
+    avoid using it. The rationale is that for historical reasons the
+    values returned by the bottom() and right() functions deviate from
+    the true bottom-right corner of the rectangle.
+
+    The QRect class provides a collection of functions that return the
+    various rectangle coordinates, and enable manipulation of
+    these. QRect also provide functions to move the rectangle relative
+    to the various coordinates. In addition there is a moveTo()
+    function that moves the rectangle, leaving its top left corner at
+    the given coordinates. Alternatively, the translate() function
+    moves the rectangle the given offset relative to the current
+    position, and the translated() function returns a translated copy
+    of this rectangle.
+
+    The size() function returns the rectange's dimensions as a
+    QSize. The dimensions can also be retrieved separately using the
+    width() and height() functions. To manipulate the dimensions use
+    the setSize(), setWidth() or setHeight() functions. Alternatively,
+    the size can be changed by applying either of the functions
+    setting the rectangle coordinates, for example, setBottom() or
+    setRight().
+
+    The contains() function tells whether a given point is inside the
+    rectangle or not, and the intersects() function returns true if
+    this rectangle intersects with a given rectangle. The QRect class
+    also provides the intersected() function which returns the
+    intersection rectangle, and the united() function which returns the
+    rectangle that encloses the given rectangle and this:
+
+    \table
+    \row
+    \o \inlineimage qrect-intersect.png
+    \o \inlineimage qrect-unite.png
+    \row
+    \o intersected()
+    \o united()
+    \endtable
+
+    The isEmpty() function returns true if left() > right() or top() >
+    bottom(). Note that an empty rectangle is not valid: The isValid()
+    function returns true if left() <= right() \e and top() <=
+    bottom(). A null rectangle (isNull() == true) on the other hand,
+    has both width and height set to 0.
+
+    Note that due to the way QRect and QRectF are defined, an
+    empty QRect is defined in essentially the same way as QRectF.
+
+    Finally, QRect objects can be streamed as well as compared.
+
+    \tableofcontents
+
+    \section1 Rendering
+
+    When using an \l {QPainter::Antialiasing}{anti-aliased} painter,
+    the boundary line of a QRect will be rendered symmetrically on
+    both sides of the mathematical rectangle's boundary line. But when
+    using an aliased painter (the default) other rules apply.
+
+    Then, when rendering with a one pixel wide pen the QRect's boundary
+    line will be rendered to the right and below the mathematical
+    rectangle's boundary line.
+
+    When rendering with a two pixels wide pen the boundary line will
+    be split in the middle by the mathematical rectangle. This will be
+    the case whenever the pen is set to an even number of pixels,
+    while rendering with a pen with an odd number of pixels, the spare
+    pixel will be rendered to the right and below the mathematical
+    rectangle as in the one pixel case.
+
+    \table
+    \row
+        \o \inlineimage qrect-diagram-zero.png
+        \o \inlineimage qrect-diagram-one.png
+    \row
+        \o Logical representation
+        \o One pixel wide pen
+    \row
+        \o \inlineimage qrect-diagram-two.png
+        \o \inlineimage qrect-diagram-three.png
+    \row
+        \o Two pixel wide pen
+        \o Three pixel wide pen
+    \endtable
+
+    \section1 Coordinates
+
+    The QRect class provides a collection of functions that return the
+    various rectangle coordinates, and enable manipulation of
+    these. QRect also provide functions to move the rectangle relative
+    to the various coordinates.
+
+    For example the left(), setLeft() and moveLeft() functions as an
+    example: left() returns the x-coordinate of the rectangle's left
+    edge, setLeft() sets the left edge of the rectangle to the given x
+    coordinate (it may change the width, but will never change the
+    rectangle's right edge) and moveLeft() moves the entire rectangle
+    horizontally, leaving the rectangle's left edge at the given x
+    coordinate and its size unchanged.
+
+    \image qrect-coordinates.png
+
+    Note that for historical reasons the values returned by the
+    bottom() and right() functions deviate from the true bottom-right
+    corner of the rectangle: The right() function returns \e { left()
+    + width() - 1} and the bottom() function returns \e {top() +
+    height() - 1}. The same is the case for the point returned by the
+    bottomRight() convenience function. In addition, the x and y
+    coordinate of the topRight() and bottomLeft() functions,
+    respectively, contain the same deviation from the true right and
+    bottom edges.
+
+    We recommend that you use x() + width() and y() + height() to find
+    the true bottom-right corner, and avoid right() and
+    bottom(). Another solution is to use QRectF: The QRectF class
+    defines a rectangle in the plane using floating point accuracy for
+    coordinates, and the QRectF::right() and QRectF::bottom()
+    functions \e do return the right and bottom coordinates.
+
+    It is also possible to add offsets to this rectangle's coordinates
+    using the adjust() function, as well as retrieve a new rectangle
+    based on adjustments of the original one using the adjusted()
+    function. If either of the width and height is negative, use the
+    normalized() function to retrieve a rectangle where the corners
+    are swapped.
+
+    In addition, QRect provides the getCoords() function which extracts
+    the position of the rectangle's top-left and bottom-right corner,
+    and the getRect() function which extracts the rectangle's top-left
+    corner, width and height. Use the setCoords() and setRect()
+    function to manipulate the rectangle's coordinates and dimensions
+    in one go.
+
+    \sa QRectF, QRegion
+*/
+
+/*****************************************************************************
+  QRect member functions
+ *****************************************************************************/
+
+/*!
+    \fn QRect::QRect()
+
+    Constructs a null rectangle.
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QRect::QRect(const QPoint &topLeft, const QPoint &bottomRight)
+
+    Constructs a rectangle with the given \a topLeft and \a bottomRight corners.
+
+    \sa setTopLeft(), setBottomRight()
+*/
+
+
+/*!
+    \fn QRect::QRect(const QPoint &topLeft, const QSize &size)
+
+    Constructs a rectangle with the given \a topLeft corner and the
+    given \a size.
+
+    \sa setTopLeft(), setSize()
+*/
+
+
+/*!
+    \fn QRect::QRect(int x, int y, int width, int height)
+
+    Constructs a rectangle with (\a x, \a y) as its top-left corner
+    and the given \a width and \a height.
+
+    \sa setRect()
+*/
+
+
+/*!
+    \fn bool QRect::isNull() const
+
+    Returns true if the rectangle is a null rectangle, otherwise
+    returns false.
+
+    A null rectangle has both the width and the height set to 0 (i.e.,
+    right() == left() - 1 and bottom() == top() - 1). A null rectangle
+    is also empty, and hence is not valid.
+
+    \sa isEmpty(), isValid()
+*/
+
+/*!
+    \fn bool QRect::isEmpty() const
+
+    Returns true if the rectangle is empty, otherwise returns false.
+
+    An empty rectangle has a left() > right() or top() > bottom(). An
+    empty rectangle is not valid (i.e., isEmpty() == !isValid()).
+
+    Use the normalized() function to retrieve a rectangle where the
+    corners are swapped.
+
+    \sa isNull(), isValid(), normalized()
+*/
+
+/*!
+    \fn bool QRect::isValid() const
+
+    Returns true if the rectangle is valid, otherwise returns false.
+
+    A valid rectangle has a left() < right() and top() <
+    bottom(). Note that non-trivial operations like intersections are
+    not defined for invalid rectangles. A valid rectangle is not empty
+    (i.e., isValid() == !isEmpty()).
+
+    \sa isNull(), isEmpty(), normalized()
+*/
+
+
+/*!
+    Returns a normalized rectangle; i.e., a rectangle that has a
+    non-negative width and height.
+
+    If width() < 0 the function swaps the left and right corners, and
+    it swaps the top and bottom corners if height() < 0.
+
+    \sa isValid(), isEmpty()
+*/
+
+QRect QRect::normalized() const
+{
+    QRect r;
+    if (x2 < x1 - 1) {                                // swap bad x values
+        r.x1 = x2;
+        r.x2 = x1;
+    } else {
+        r.x1 = x1;
+        r.x2 = x2;
+    }
+    if (y2 < y1 - 1) {                                // swap bad y values
+        r.y1 = y2;
+        r.y2 = y1;
+    } else {
+        r.y1 = y1;
+        r.y2 = y2;
+    }
+    return r;
+}
+
+
+/*!
+    \fn QRect QRect::normalize() const
+    \compat
+
+    Returns a normalized rectangle; i.e., a rectangle that has a
+    non-negative width and height.
+
+    Use the normalized() function instead
+*/
+
+/*!
+    \fn int QRect::left() const
+
+    Returns the x-coordinate of the rectangle's left edge. Equivalent
+    to x().
+
+    \sa setLeft(),  topLeft(), bottomLeft()
+*/
+
+/*!
+    \fn int QRect::top() const
+
+    Returns the y-coordinate of the rectangle's top edge.
+    Equivalent to y().
+
+    \sa setTop(), topLeft(), topRight()
+*/
+
+/*!
+    \fn int QRect::right() const
+
+    Returns the x-coordinate of the rectangle's right edge.
+
+    Note that for historical reasons this function returns left() +
+    width() - 1; use x() + width() to retrieve the true x-coordinate.
+
+    \sa setRight(), topRight(), bottomRight()
+*/
+
+/*!
+    \fn int QRect::bottom() const
+
+    Returns the y-coordinate of the rectangle's bottom edge.
+
+    Note that for historical reasons this function returns top() +
+    height() - 1; use y() + height() to retrieve the true y-coordinate.
+
+    \sa setBottom(), bottomLeft(), bottomRight()
+*/
+
+/*!
+    \fn int &QRect::rLeft()
+    \compat
+
+    Returns a reference to the left coordinate of the rectangle.
+
+    Use the left() function instead.
+*/
+
+/*!
+    \fn int &QRect::rTop()
+    \compat
+
+    Returns a reference to the top coordinate of the rectangle.
+
+    Use the top() function instead.
+*/
+
+/*!
+    \fn int &QRect::rRight()
+    \compat
+
+    Returns a reference to the right coordinate of the rectangle.
+
+    Use the right() function instead.
+*/
+
+/*!
+    \fn int &QRect::rBottom()
+    \compat
+
+    Returns a reference to the bottom coordinate of the rectangle.
+
+    Use the bottom() function instead.
+*/
+
+/*!
+    \fn int QRect::x() const
+
+    Returns the x-coordinate of the rectangle's left edge. Equivalent to left().
+
+    \sa setX(), y(), topLeft()
+*/
+
+/*!
+    \fn int QRect::y() const
+
+    Returns the y-coordinate of the rectangle's top edge. Equivalent to top().
+
+    \sa setY(), x(), topLeft()
+*/
+
+/*!
+    \fn void QRect::setLeft(int x)
+
+    Sets the left edge of the rectangle to the given \a x
+    coordinate. May change the width, but will never change the right
+    edge of the rectangle.
+
+    Equivalent to setX().
+
+    \sa left(), moveLeft()
+*/
+
+/*!
+    \fn void QRect::setTop(int y)
+
+    Sets the top edge of the rectangle to the given \a y
+    coordinate. May change the height, but will never change the
+    bottom edge of the rectangle.
+
+    Equivalent to setY().
+
+    \sa top(), moveTop()
+*/
+
+/*!
+    \fn void QRect::setRight(int x)
+
+    Sets the right edge of the rectangle to the given \a x
+    coordinate. May change the width, but will never change the left
+    edge of the rectangle.
+
+    \sa right(), moveRight()
+*/
+
+/*!
+    \fn void QRect::setBottom(int y)
+
+    Sets the bottom edge of the rectangle to the given \a y
+    coordinate. May change the height, but will never change the top
+    edge of the rectangle.
+
+    \sa bottom(), moveBottom(),
+*/
+
+/*!
+    \fn void QRect::setX(int x)
+
+    Sets the left edge of the rectangle to the given \a x
+    coordinate. May change the width, but will never change the right
+    edge of the rectangle.
+
+    Equivalent to setLeft().
+
+    \sa x(), setY(), setTopLeft()
+*/
+
+/*!
+    \fn void QRect::setY(int y)
+
+    Sets the top edge of the rectangle to the given \a y
+    coordinate. May change the height, but will never change the
+    bottom edge of the rectangle.
+
+    Equivalent to setTop().
+
+    \sa y(), setX(), setTopLeft()
+*/
+
+/*!
+    \fn void QRect::setTopLeft(const QPoint &position)
+
+    Set the top-left corner of the rectangle to the given \a
+    position. May change the size, but will never change the
+    bottom-right corner of the rectangle.
+
+    \sa topLeft(), moveTopLeft()
+*/
+
+/*!
+    \fn void QRect::setBottomRight(const QPoint &position)
+
+    Set the bottom-right corner of the rectangle to the given \a
+    position. May change the size, but will never change the
+    top-left corner of the rectangle.
+
+    \sa bottomRight(), moveBottomRight()
+*/
+
+/*!
+    \fn void QRect::setTopRight(const QPoint &position)
+
+    Set the top-right corner of the rectangle to the given \a
+    position. May change the size, but will never change the
+    bottom-left corner of the rectangle.
+
+    \sa topRight(), moveTopRight()
+*/
+
+/*!
+    \fn void QRect::setBottomLeft(const QPoint &position)
+
+    Set the bottom-left corner of the rectangle to the given \a
+    position. May change the size, but will never change the
+    top-right corner of the rectangle.
+
+    \sa bottomLeft(), moveBottomLeft()
+*/
+
+/*!
+    \fn QPoint QRect::topLeft() const
+
+    Returns the position of the rectangle's top-left corner.
+
+    \sa setTopLeft(), top(), left()
+*/
+
+/*!
+    \fn QPoint QRect::bottomRight() const
+
+    Returns the position of the rectangle's bottom-right corner.
+
+    Note that for historical reasons this function returns
+    QPoint(left() + width() -1, top() + height() - 1).
+
+    \sa setBottomRight(), bottom(), right()
+*/
+
+/*!
+    \fn QPoint QRect::topRight() const
+
+    Returns the position of the rectangle's top-right corner.
+
+    Note that for historical reasons this function returns
+    QPoint(left() + width() -1, top()).
+
+    \sa setTopRight(), top(), right()
+*/
+
+/*!
+    \fn QPoint QRect::bottomLeft() const
+
+    Returns the position of the rectangle's bottom-left corner. Note
+    that for historical reasons this function returns QPoint(left(),
+    top() + height() - 1).
+
+    \sa setBottomLeft(), bottom(), left()
+*/
+
+/*!
+    \fn QPoint QRect::center() const
+
+    Returns the center point of the rectangle.
+
+    \sa moveCenter()
+*/
+
+
+/*!
+    \fn void QRect::getRect(int *x, int *y, int *width, int *height) const
+
+    Extracts the position of the rectangle's top-left corner to *\a x
+    and *\a y, and its dimensions to *\a width and *\a height.
+
+    \sa setRect(), getCoords()
+*/
+
+
+/*!
+    \fn void QRect::getCoords(int *x1, int *y1, int *x2, int *y2) const
+
+    Extracts the position of the rectangle's top-left corner to *\a x1
+    and *\a y1, and the position of the bottom-right corner to *\a x2
+    and *\a y2.
+
+    \sa setCoords(), getRect()
+*/
+
+/*!
+    \fn void QRect::rect(int *x, int *y, int *width, int *height) const
+    \compat
+
+    Extracts the position of the rectangle's top-left corner to *\a x and
+    *\a y, and its dimensions to *\a width and * \a height.
+
+    Use the getRect() function instead.
+*/
+
+
+/*!
+    \fn void QRect::coords(int *x1, int *y1, int *x2, int *y2) const
+    \compat
+
+    Extracts the position of the rectangle's top-left corner to *\a x1
+    and *\a y1, and the position of the bottom-right corner to *\a x2
+    and *\a y2.
+
+    Use the getCoords() function instead.
+*/
+
+/*!
+    \fn void QRect::moveLeft(int x)
+
+    Moves the rectangle horizontally, leaving the rectangle's left
+    edge at the given \a x coordinate. The rectangle's size is
+    unchanged.
+
+    \sa left(), setLeft(), moveRight()
+*/
+
+/*!
+    \fn void QRect::moveTop(int y)
+
+    Moves the rectangle vertically, leaving the rectangle's top edge
+    at the given \a y coordinate. The rectangle's size is unchanged.
+
+    \sa top(), setTop(), moveBottom()
+*/
+
+
+/*!
+    \fn void QRect::moveRight(int x)
+
+    Moves the rectangle horizontally, leaving the rectangle's right
+    edge at the given \a x coordinate. The rectangle's size is
+    unchanged.
+
+    \sa right(), setRight(), moveLeft()
+*/
+
+
+/*!
+    \fn void QRect::moveBottom(int y)
+
+    Moves the rectangle vertically, leaving the rectangle's bottom
+    edge at the given \a y coordinate. The rectangle's size is
+    unchanged.
+
+    \sa bottom(), setBottom(), moveTop()
+*/
+
+
+/*!
+    \fn void QRect::moveTopLeft(const QPoint &position)
+
+    Moves the rectangle, leaving the top-left corner at the given \a
+    position. The rectangle's size is unchanged.
+
+    \sa setTopLeft(), moveTop(), moveLeft()
+*/
+
+
+/*!
+    \fn void QRect::moveBottomRight(const QPoint &position)
+
+    Moves the rectangle, leaving the bottom-right corner at the given
+    \a position. The rectangle's size is unchanged.
+
+    \sa setBottomRight(), moveRight(), moveBottom()
+*/
+
+
+/*!
+    \fn void QRect::moveTopRight(const QPoint &position)
+
+    Moves the rectangle, leaving the top-right corner at the given \a
+    position. The rectangle's size is unchanged.
+
+    \sa setTopRight(), moveTop(), moveRight()
+*/
+
+
+/*!
+    \fn void QRect::moveBottomLeft(const QPoint &position)
+
+    Moves the rectangle, leaving the bottom-left corner at the given
+    \a position. The rectangle's size is unchanged.
+
+    \sa setBottomLeft(), moveBottom(), moveLeft()
+*/
+
+
+/*!
+    \fn void QRect::moveCenter(const QPoint &position)
+
+    Moves the rectangle, leaving the center point at the given \a
+    position. The rectangle's size is unchanged.
+
+    \sa center()
+*/
+
+void QRect::moveCenter(const QPoint &p)
+{
+    int w = x2 - x1;
+    int h = y2 - y1;
+    x1 = p.x() - w/2;
+    y1 = p.y() - h/2;
+    x2 = x1 + w;
+    y2 = y1 + h;
+}
+
+/*!
+    \fn void QRect::moveBy(int dx, int dy)
+    \compat
+
+    Moves the rectangle \a dx along the x axis and \a dy along the y
+    axis, relative to the current position.
+
+    Use the translate() function instead.
+*/
+
+/*!
+    \fn void QRect::moveBy(const QPoint &)
+    \compat
+
+    Use the translate() function instead.
+*/
+
+/*!
+    \fn void QRect::moveTo(int x, int y)
+
+    Moves the rectangle, leaving the top-left corner at the given
+    position (\a x, \a y).  The rectangle's size is unchanged.
+
+    \sa translate(), moveTopLeft()
+*/
+
+/*!
+    \fn void QRect::moveTo(const QPoint &position)
+
+    Moves the rectangle, leaving the top-left corner at the given \a
+    position.
+*/
+
+/*!
+    \fn void QRect::translate(int dx, int dy)
+
+    Moves the rectangle \a dx along the x axis and \a dy along the y
+    axis, relative to the current position. Positive values move the
+    rectangle to the right and down.
+
+    \sa moveTopLeft(), moveTo(), translated()
+*/
+
+
+/*!
+    \fn void QRect::translate(const QPoint &offset)
+    \overload
+
+    Moves the rectangle \a{offset}.\l{QPoint::x()}{x()} along the x
+    axis and \a{offset}.\l{QPoint::y()}{y()} along the y axis,
+    relative to the current position.
+*/
+
+
+/*!
+    \fn QRect QRect::translated(int dx, int dy) const
+
+    Returns a copy of the rectangle that is translated \a dx along the
+    x axis and \a dy along the y axis, relative to the current
+    position. Positive values move the rectangle to the right and
+    down.
+
+    \sa translate()
+
+*/
+
+
+/*!
+    \fn QRect QRect::translated(const QPoint &offset) const
+
+    \overload
+
+    Returns a copy of the rectangle that is translated
+    \a{offset}.\l{QPoint::x()}{x()} along the x axis and
+    \a{offset}.\l{QPoint::y()}{y()} along the y axis, relative to the
+    current position.
+*/
+
+
+/*!
+    \fn void QRect::setRect(int x, int y, int width, int height)
+
+    Sets the coordinates of the rectangle's top-left corner to (\a{x},
+    \a{y}), and its size to the given \a width and \a height.
+
+    \sa getRect(), setCoords()
+*/
+
+
+/*!
+    \fn void QRect::setCoords(int x1, int y1, int x2, int y2)
+
+    Sets the coordinates of the rectangle's top-left corner to (\a x1,
+    \a y1), and the coordinates of its bottom-right corner to (\a x2,
+    \a y2).
+
+    \sa getCoords(), setRect()
+*/
+
+
+/*!
+    \fn void QRect::addCoords(int dx1, int dy1, int dx2, int dy2)
+    \compat
+
+    Adds \a dx1, \a dy1, \a dx2 and \a dy2 to the existing coordinates
+    of the rectangle respectively.
+
+    Use the adjust() function instead.
+*/
+
+/*! \fn QRect QRect::adjusted(int dx1, int dy1, int dx2, int dy2) const
+
+    Returns a new rectangle with \a dx1, \a dy1, \a dx2 and \a dy2
+    added respectively to the existing coordinates of this rectangle.
+
+    \sa adjust()
+*/
+
+/*! \fn void QRect::adjust(int dx1, int dy1, int dx2, int dy2)
+
+    Adds \a dx1, \a dy1, \a dx2 and \a dy2 respectively to the
+    existing coordinates of the rectangle.
+
+    \sa adjusted(), setRect()
+*/
+
+/*!
+    \fn QSize QRect::size() const
+
+    Returns the size of the rectangle.
+
+    \sa setSize(), width(), height()
+*/
+
+/*!
+    \fn int QRect::width() const
+
+    Returns the width of the rectangle.
+
+    \sa setWidth(), height(),  size()
+*/
+
+/*!
+    \fn int QRect::height() const
+
+    Returns the height of the rectangle.
+
+    \sa setHeight(), width(), size()
+*/
+
+/*!
+    \fn void QRect::setWidth(int width)
+
+    Sets the width of the rectangle to the given \a width. The right
+    edge is changed, but not the left one.
+
+    \sa width(), setSize()
+*/
+
+
+/*!
+    \fn void QRect::setHeight(int height)
+
+    Sets the height of the rectangle to the given \a height. The bottom
+    edge is changed, but not the top one.
+
+    \sa height(), setSize()
+*/
+
+
+/*!
+    \fn void QRect::setSize(const QSize &size)
+
+    Sets the size of the rectangle to the given \a size. The top-left
+    corner is not moved.
+
+    \sa size(), setWidth(), setHeight()
+*/
+
+
+/*!
+    \fn bool QRect::contains(const QPoint &point, bool proper) const
+
+    Returns true if the the given \a point is inside or on the edge of
+    the rectangle, otherwise returns false. If \a proper is true, this
+    function only returns true if the given \a point is \e inside the
+    rectangle (i.e., not on the edge).
+
+    \sa intersects()
+*/
+
+bool QRect::contains(const QPoint &p, bool proper) const
+{
+    int l, r;
+    if (x2 < x1 - 1) {
+        l = x2;
+        r = x1;
+    } else {
+        l = x1;
+        r = x2;
+    }
+    if (proper) {
+        if (p.x() <= l || p.x() >= r)
+            return false;
+    } else {
+        if (p.x() < l || p.x() > r)
+            return false;
+    }
+    int t, b;
+    if (y2 < y1 - 1) {
+        t = y2;
+        b = y1;
+    } else {
+        t = y1;
+        b = y2;
+    }
+    if (proper) {
+        if (p.y() <= t || p.y() >= b)
+            return false;
+    } else {
+        if (p.y() < t || p.y() > b)
+            return false;
+    }
+    return true;
+}
+
+
+/*!
+    \fn bool QRect::contains(int x, int y, bool proper) const
+    \overload
+
+    Returns true if the point (\a x, \a y) is inside or on the edge of
+    the rectangle, otherwise returns false. If \a proper is true, this
+    function only returns true if the point is entirely inside the
+    rectangle(not on the edge).
+*/
+
+/*!
+    \fn bool QRect::contains(int x, int y) const
+    \overload
+
+    Returns true if the point (\a x, \a y) is inside this rectangle,
+    otherwise returns false.
+*/
+
+/*!
+    \fn bool QRect::contains(const QRect &rectangle, bool proper) const
+    \overload
+
+    Returns true if the given \a rectangle is inside this rectangle.
+    otherwise returns false. If \a proper is true, this function only
+    returns true if the \a rectangle is entirely inside this
+    rectangle (not on the edge).
+*/
+
+bool QRect::contains(const QRect &r, bool proper) const
+{
+    if (isNull() || r.isNull())
+        return false;
+
+    int l1 = x1;
+    int r1 = x1;
+    if (x2 - x1 + 1 < 0)
+        l1 = x2;
+    else
+        r1 = x2;
+
+    int l2 = r.x1;
+    int r2 = r.x1;
+    if (r.x2 - r.x1 + 1 < 0)
+        l2 = r.x2;
+    else
+        r2 = r.x2;
+
+    if (proper) {
+        if (l2 <= l1 || r2 >= r1)
+            return false;
+    } else {
+        if (l2 < l1 || r2 > r1)
+            return false;
+    }
+
+    int t1 = y1;
+    int b1 = y1;
+    if (y2 - y1 + 1 < 0)
+        t1 = y2;
+    else
+        b1 = y2;
+
+    int t2 = r.y1;
+    int b2 = r.y1;
+    if (r.y2 - r.y1 + 1 < 0)
+        t2 = r.y2;
+    else
+        b2 = r.y2;
+
+    if (proper) {
+        if (t2 <= t1 || b2 >= b1)
+            return false;
+    } else {
+        if (t2 < t1 || b2 > b1)
+            return false;
+    }
+
+    return true;
+}
+
+/*!
+    \fn QRect& QRect::operator|=(const QRect &rectangle)
+
+    Unites this rectangle with the given \a rectangle.
+
+    \sa united(), operator|()
+*/
+
+/*!
+    \fn QRect& QRect::operator&=(const QRect &rectangle)
+
+    Intersects this rectangle with the given \a rectangle.
+
+    \sa intersected(), operator&()
+*/
+
+
+/*!
+    \fn QRect QRect::operator|(const QRect &rectangle) const
+
+    Returns the bounding rectangle of this rectangle and the given \a
+    rectangle.
+
+    \sa operator|=(), united()
+*/
+
+QRect QRect::operator|(const QRect &r) const
+{
+    if (isNull())
+        return r;
+    if (r.isNull())
+        return *this;
+
+    int l1 = x1;
+    int r1 = x1;
+    if (x2 - x1 + 1 < 0)
+        l1 = x2;
+    else
+        r1 = x2;
+
+    int l2 = r.x1;
+    int r2 = r.x1;
+    if (r.x2 - r.x1 + 1 < 0)
+        l2 = r.x2;
+    else
+        r2 = r.x2;
+
+    int t1 = y1;
+    int b1 = y1;
+    if (y2 - y1 + 1 < 0)
+        t1 = y2;
+    else
+        b1 = y2;
+
+    int t2 = r.y1;
+    int b2 = r.y1;
+    if (r.y2 - r.y1 + 1 < 0)
+        t2 = r.y2;
+    else
+        b2 = r.y2;
+
+    QRect tmp;
+    tmp.x1 = qMin(l1, l2);
+    tmp.x2 = qMax(r1, r2);
+    tmp.y1 = qMin(t1, t2);
+    tmp.y2 = qMax(b1, b2);
+    return tmp;
+}
+
+/*!
+    \fn QRect QRect::unite(const QRect &rectangle) const
+    \obsolete
+
+    Use united(\a rectangle) instead.
+*/
+
+/*!
+    \fn QRect QRect::united(const QRect &rectangle) const
+    \since 4.2
+
+    Returns the bounding rectangle of this rectangle and the given \a rectangle.
+
+    \image qrect-unite.png
+
+    \sa intersected()
+*/
+
+
+/*!
+    \fn QRect QRect::operator&(const QRect &rectangle) const
+
+    Returns the intersection of this rectangle and the given \a
+    rectangle. Returns an empty rectangle if there is no intersection.
+
+    \sa operator&=(), intersected()
+*/
+
+QRect QRect::operator&(const QRect &r) const
+{
+    if (isNull() || r.isNull())
+        return QRect();
+
+    int l1 = x1;
+    int r1 = x1;
+    if (x2 - x1 + 1 < 0)
+        l1 = x2;
+    else
+        r1 = x2;
+
+    int l2 = r.x1;
+    int r2 = r.x1;
+    if (r.x2 - r.x1 + 1 < 0)
+        l2 = r.x2;
+    else
+        r2 = r.x2;
+
+    if (l1 > r2 || l2 > r1)
+        return QRect();
+
+    int t1 = y1;
+    int b1 = y1;
+    if (y2 - y1 + 1 < 0)
+        t1 = y2;
+    else
+        b1 = y2;
+
+    int t2 = r.y1;
+    int b2 = r.y1;
+    if (r.y2 - r.y1 + 1 < 0)
+        t2 = r.y2;
+    else
+        b2 = r.y2;
+
+    if (t1 > b2 || t2 > b1)
+        return QRect();
+
+    QRect tmp;
+    tmp.x1 = qMax(l1, l2);
+    tmp.x2 = qMin(r1, r2);
+    tmp.y1 = qMax(t1, t2);
+    tmp.y2 = qMin(b1, b2);
+    return tmp;
+}
+
+/*!
+    \fn QRect QRect::intersect(const QRect &rectangle) const
+    \obsolete
+
+    Use intersected(\a rectangle) instead.
+*/
+
+/*!
+    \fn QRect QRect::intersected(const QRect &rectangle) const
+    \since 4.2
+
+    Returns the intersection of this rectangle and the given \a
+    rectangle. Note that \c{r.intersected(s)} is equivalent to \c{r & s}.
+
+    \image qrect-intersect.png
+
+    \sa intersects(), united(), operator&=()
+*/
+
+/*!
+    \fn bool QRect::intersects(const QRect &rectangle) const
+
+    Returns true if this rectangle intersects with the given \a
+    rectangle (i.e., there is at least one pixel that is within both
+    rectangles), otherwise returns false.
+
+    The intersection rectangle can be retrieved using the intersected()
+    function.
+
+    \sa  contains()
+*/
+
+bool QRect::intersects(const QRect &r) const
+{
+    if (isNull() || r.isNull())
+        return false;
+
+    int l1 = x1;
+    int r1 = x1;
+    if (x2 - x1 + 1 < 0)
+        l1 = x2;
+    else
+        r1 = x2;
+
+    int l2 = r.x1;
+    int r2 = r.x1;
+    if (r.x2 - r.x1 + 1 < 0)
+        l2 = r.x2;
+    else
+        r2 = r.x2;
+
+    if (l1 > r2 || l2 > r1)
+        return false;
+
+    int t1 = y1;
+    int b1 = y1;
+    if (y2 - y1 + 1 < 0)
+        t1 = y2;
+    else
+        b1 = y2;
+
+    int t2 = r.y1;
+    int b2 = r.y1;
+    if (r.y2 - r.y1 + 1 < 0)
+        t2 = r.y2;
+    else
+        b2 = r.y2;
+
+    if (t1 > b2 || t2 > b1)
+        return false;
+
+    return true;
+}
+
+/*!
+    \fn bool operator==(const QRect &r1, const QRect &r2)
+    \relates QRect
+
+    Returns true if the rectangles \a r1 and \a r2 are equal,
+    otherwise returns false.
+*/
+
+
+/*!
+    \fn bool operator!=(const QRect &r1, const QRect &r2)
+    \relates QRect
+
+    Returns true if the rectangles \a r1 and \a r2 are different, otherwise
+    returns false.
+*/
+
+
+/*****************************************************************************
+  QRect stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+/*!
+    \fn QDataStream &operator<<(QDataStream &stream, const QRect &rectangle)
+    \relates QRect
+
+    Writes the given \a rectangle to the given \a stream, and returns
+    a reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator<<(QDataStream &s, const QRect &r)
+{
+    if (s.version() == 1)
+        s << (qint16)r.left() << (qint16)r.top()
+          << (qint16)r.right() << (qint16)r.bottom();
+    else
+        s << (qint32)r.left() << (qint32)r.top()
+          << (qint32)r.right() << (qint32)r.bottom();
+    return s;
+}
+
+/*!
+    \fn QDataStream &operator>>(QDataStream &stream, QRect &rectangle)
+    \relates QRect
+
+    Reads a rectangle from the given \a stream into the given \a
+    rectangle, and returns a reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator>>(QDataStream &s, QRect &r)
+{
+    if (s.version() == 1) {
+        qint16 x1, y1, x2, y2;
+        s >> x1; s >> y1; s >> x2; s >> y2;
+        r.setCoords(x1, y1, x2, y2);
+    }
+    else {
+        qint32 x1, y1, x2, y2;
+        s >> x1; s >> y1; s >> x2; s >> y2;
+        r.setCoords(x1, y1, x2, y2);
+    }
+    return s;
+}
+
+#endif // QT_NO_DATASTREAM
+
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QRect &r) {
+    dbg.nospace() << "QRect(" << r.x() << ',' << r.y() << ' '
+                  << r.width() << 'x' << r.height() << ')';
+    return dbg.space();
+}
+#endif
+
+/*!
+    \class QRectF
+    \ingroup multimedia
+
+    \brief The QRectF class defines a rectangle in the plane using floating
+    point precision.
+
+    A rectangle is normally expressed as an upper-left corner and a
+    size.  The size (width and height) of a QRectF is always equivalent
+    to the mathematical rectangle that forms the basis for its
+    rendering.
+
+    A QRectF can be constructed with a set of left, top, width and
+    height integers, or from a QPoint and a QSize.  The following code
+    creates two identical rectangles.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qrect.cpp 1
+
+    There is also a third constructor creating a QRectF from a QRect,
+    and a corresponding toRect() function that returns a QRect object
+    based on the values of this rectangle (note that the coordinates
+    in the returned rectangle are rounded to the nearest integer).
+
+    The QRectF class provides a collection of functions that return
+    the various rectangle coordinates, and enable manipulation of
+    these. QRectF also provide functions to move the rectangle
+    relative to the various coordinates. In addition there is a
+    moveTo() function that moves the rectangle, leaving its top left
+    corner at the given coordinates. Alternatively, the translate()
+    function moves the rectangle the given offset relative to the
+    current position, and the translated() function returns a
+    translated copy of this rectangle.
+
+    The size() function returns the rectange's dimensions as a
+    QSize. The dimensions can also be retrieved separately using the
+    width() and height() functions. To manipulate the dimensions use
+    the setSize(), setWidth() or setHeight() functions. Alternatively,
+    the size can be changed by applying either of the functions
+    setting the rectangle coordinates, for example, setBottom() or
+    setRight().
+
+    The contains() function tells whether a given point is inside the
+    rectangle or not, and the intersects() function returns true if
+    this rectangle intersects with a given rectangle (otherwise
+    false). The QRectF class also provides the intersected() function
+    which returns the intersection rectangle, and the united() function
+    which returns the rectangle that encloses the given rectangle and
+    this:
+
+    \table
+    \row
+    \o \inlineimage qrect-intersect.png
+    \o \inlineimage qrect-unite.png
+    \row
+    \o intersected()
+    \o united()
+    \endtable
+
+    The isEmpty() function returns true if the rectangle's width or
+    height is less than, or equal to, 0. Note that an empty rectangle
+    is not valid: The isValid() function returns true if both width
+    and height is larger than 0. A null rectangle (isNull() == true)
+    on the other hand, has both width and height set to 0.
+
+    Note that due to the way QRect and QRectF are defined, an
+    empty QRectF is defined in essentially the same way as QRect.
+
+    Finally, QRectF objects can be streamed as well as compared.
+
+    \tableofcontents
+
+    \section1 Rendering
+
+    When using an \l {QPainter::Antialiasing}{anti-aliased} painter,
+    the boundary line of a QRectF will be rendered symmetrically on both
+    sides of the mathematical rectangle's boundary line. But when
+    using an aliased painter (the default) other rules apply.
+
+    Then, when rendering with a one pixel wide pen the QRectF's boundary
+    line will be rendered to the right and below the mathematical
+    rectangle's boundary line.
+
+    When rendering with a two pixels wide pen the boundary line will
+    be split in the middle by the mathematical rectangle. This will be
+    the case whenever the pen is set to an even number of pixels,
+    while rendering with a pen with an odd number of pixels, the spare
+    pixel will be rendered to the right and below the mathematical
+    rectangle as in the one pixel case.
+
+    \table
+    \row
+        \o \inlineimage qrect-diagram-zero.png
+        \o \inlineimage qrectf-diagram-one.png
+    \row
+        \o Logical representation
+        \o One pixel wide pen
+    \row
+        \o \inlineimage qrectf-diagram-two.png
+        \o \inlineimage qrectf-diagram-three.png
+    \row
+        \o Two pixel wide pen
+        \o Three pixel wide pen
+    \endtable
+
+    \section1 Coordinates
+
+    The QRectF class provides a collection of functions that return
+    the various rectangle coordinates, and enable manipulation of
+    these. QRectF also provide functions to move the rectangle
+    relative to the various coordinates.
+
+    For example: the bottom(), setBottom() and moveBottom() functions:
+    bottom() returns the y-coordinate of the rectangle's bottom edge,
+    setBottom() sets the bottom edge of the rectangle to the given y
+    coordinate (it may change the height, but will never change the
+    rectangle's top edge) and moveBottom() moves the entire rectangle
+    vertically, leaving the rectangle's bottom edge at the given y
+    coordinate and its size unchanged.
+
+    \image qrectf-coordinates.png
+
+    It is also possible to add offsets to this rectangle's coordinates
+    using the adjust() function, as well as retrieve a new rectangle
+    based on adjustments of the original one using the adjusted()
+    function. If either of the width and height is negative, use the
+    normalized() function to retrieve a rectangle where the corners
+    are swapped.
+
+    In addition, QRectF provides the getCoords() function which extracts
+    the position of the rectangle's top-left and bottom-right corner,
+    and the getRect() function which extracts the rectangle's top-left
+    corner, width and height. Use the setCoords() and setRect()
+    function to manipulate the rectangle's coordinates and dimensions
+    in one go.
+
+    \sa QRect, QRegion
+*/
+
+/*****************************************************************************
+  QRectF member functions
+ *****************************************************************************/
+
+/*!
+    \fn QRectF::QRectF()
+
+    Constructs a null rectangle.
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QRectF::QRectF(const QPointF &topLeft, const QSizeF &size)
+
+    Constructs a rectangle with the given \a topLeft corner and the given \a size.
+
+    \sa setTopLeft(), setSize()
+*/
+
+/*!
+    \fn QRectF::QRectF(const QPointF &topLeft, const QPointF &bottomRight)
+    \since 4.3
+
+    Constructs a rectangle with the given \a topLeft and \a bottomRight corners.
+
+    \sa setTopLeft(), setBottomRight()
+*/
+
+/*!
+    \fn QRectF::QRectF(qreal x, qreal y, qreal width, qreal height)
+
+    Constructs a rectangle with (\a x, \a y) as its top-left corner
+    and the given \a width and \a height.
+
+    \sa setRect()
+*/
+
+/*!
+    \fn QRectF::QRectF(const QRect &rectangle)
+
+    Constructs a QRectF rectangle from the given QRect \a rectangle.
+
+    \sa toRect()
+*/
+
+/*!
+    \fn bool QRectF::isNull() const
+
+    Returns true if the rectangle is a null rectangle, otherwise returns false.
+
+    A null rectangle has both the width and the height set to 0. A
+    null rectangle is also empty, and hence not valid.
+
+    \sa isEmpty(), isValid()
+*/
+
+/*!
+    \fn bool QRectF::isEmpty() const
+
+    Returns true if the rectangle is empty, otherwise returns false.
+
+    An empty rectangle has width() <= 0 or height() <= 0.  An empty
+    rectangle is not valid (i.e., isEmpty() == !isValid()).
+
+    Use the normalized() function to retrieve a rectangle where the
+    corners are swapped.
+
+    \sa isNull(),  isValid(),  normalized()
+*/
+
+/*!
+    \fn bool QRectF::isValid() const
+
+    Returns true if the rectangle is valid, otherwise returns false.
+
+    A valid rectangle has a width() > 0 and height() > 0. Note that
+    non-trivial operations like intersections are not defined for
+    invalid rectangles. A valid rectangle is not empty (i.e., isValid()
+    == !isEmpty()).
+
+    \sa isNull(), isEmpty(), normalized()
+*/
+
+
+/*!
+    Returns a normalized rectangle; i.e., a rectangle that has a
+    non-negative width and height.
+
+    If width() < 0 the function swaps the left and right corners, and
+    it swaps the top and bottom corners if height() < 0.
+
+    \sa isValid(), isEmpty()
+*/
+
+QRectF QRectF::normalized() const
+{
+    QRectF r = *this;
+    if (r.w < 0) {
+        r.xp += r.w;
+        r.w = -r.w;
+    }
+    if (r.h < 0) {
+        r.yp += r.h;
+        r.h = -r.h;
+    }
+    return r;
+}
+
+/*!
+    \fn qreal QRectF::x() const
+
+    Returns the x-coordinate of the rectangle's left edge. Equivalent
+    to left().
+
+
+    \sa setX(), y(), topLeft()
+*/
+
+/*!
+    \fn qreal QRectF::y() const
+
+    Returns the y-coordinate of the rectangle's top edge. Equivalent
+    to top().
+
+    \sa setY(), x(),  topLeft()
+*/
+
+
+/*!
+    \fn void QRectF::setLeft(qreal x)
+
+    Sets the left edge of the rectangle to the given \a x
+    coordinate. May change the width, but will never change the right
+    edge of the rectangle.
+
+    Equivalent to setX().
+
+    \sa left(), moveLeft()
+*/
+
+/*!
+    \fn void QRectF::setTop(qreal y)
+
+    Sets the top edge of the rectangle to the given \a y coordinate. May
+    change the height, but will never change the bottom edge of the
+    rectangle.
+
+    Equivalent to setY().
+
+    \sa top(), moveTop()
+*/
+
+/*!
+    \fn void QRectF::setRight(qreal x)
+
+    Sets the right edge of the rectangle to the given \a x
+    coordinate. May change the width, but will never change the left
+    edge of the rectangle.
+
+    \sa right(), moveRight()
+*/
+
+/*!
+    \fn void QRectF::setBottom(qreal y)
+
+    Sets the bottom edge of the rectangle to the given \a y
+    coordinate. May change the height, but will never change the top
+    edge of the rectangle.
+
+    \sa bottom(), moveBottom()
+*/
+
+/*!
+    \fn void QRectF::setX(qreal x)
+
+    Sets the left edge of the rectangle to the given \a x
+    coordinate. May change the width, but will never change the right
+    edge of the rectangle.
+
+    Equivalent to setLeft().
+
+    \sa x(), setY(), setTopLeft()
+*/
+
+/*!
+    \fn void QRectF::setY(qreal y)
+
+    Sets the top edge of the rectangle to the given \a y
+    coordinate. May change the height, but will never change the
+    bottom edge of the rectangle.
+
+    Equivalent to setTop().
+
+    \sa y(), setX(), setTopLeft()
+*/
+
+/*!
+    \fn void QRectF::setTopLeft(const QPointF &position)
+
+    Set the top-left corner of the rectangle to the given \a
+    position. May change the size, but will never change the
+    bottom-right corner of the rectangle.
+
+    \sa topLeft(), moveTopLeft()
+*/
+
+/*!
+    \fn void QRectF::setBottomRight(const QPointF &position)
+
+    Set the bottom-right corner of the rectangle to the given \a
+    position. May change the size, but will never change the
+    top-left corner of the rectangle.
+
+    \sa bottomRight(), moveBottomRight()
+*/
+
+/*!
+    \fn void QRectF::setTopRight(const QPointF &position)
+
+    Set the top-right corner of the rectangle to the given \a
+    position. May change the size, but will never change the
+    bottom-left corner of the rectangle.
+
+    \sa topRight(), moveTopRight()
+*/
+
+/*!
+    \fn void QRectF::setBottomLeft(const QPointF &position)
+
+    Set the bottom-left corner of the rectangle to the given \a
+    position. May change the size, but will never change the
+    top-right corner of the rectangle.
+
+    \sa bottomLeft(), moveBottomLeft()
+*/
+
+/*!
+    \fn QPointF QRectF::center() const
+
+    Returns the center point of the rectangle.
+
+    \sa moveCenter()
+*/
+
+
+/*!
+    \fn void QRectF::getRect(qreal *x, qreal *y, qreal *width, qreal *height) const
+
+    Extracts the position of the rectangle's top-left corner to *\a x and
+    *\a y, and its dimensions to *\a width and *\a height.
+
+    \sa setRect(), getCoords()
+*/
+
+
+/*!
+    \fn void QRectF::getCoords(qreal *x1, qreal *y1, qreal *x2, qreal *y2) const
+
+    Extracts the position of the rectangle's top-left corner to *\a x1
+    and *\a y1, and the position of the bottom-right corner to *\a x2 and
+    *\a y2.
+
+    \sa setCoords(), getRect()
+*/
+
+/*!
+    \fn void QRectF::moveLeft(qreal x)
+
+    Moves the rectangle horizontally, leaving the rectangle's left
+    edge at the given \a x coordinate. The rectangle's size is
+    unchanged.
+
+    \sa left(), setLeft(), moveRight()
+*/
+
+/*!
+    \fn void QRectF::moveTop(qreal y)
+
+    Moves the rectangle vertically, leaving the rectangle's top line
+    at the given \a y coordinate. The rectangle's size is unchanged.
+
+    \sa top(), setTop(), moveBottom()
+*/
+
+
+/*!
+    \fn void QRectF::moveRight(qreal x)
+
+    Moves the rectangle horizontally, leaving the rectangle's right
+    edge at the given \a x coordinate. The rectangle's size is
+    unchanged.
+
+    \sa right(), setRight(), moveLeft()
+*/
+
+
+/*!
+    \fn void QRectF::moveBottom(qreal y)
+
+    Moves the rectangle vertically, leaving the rectangle's bottom
+    edge at the given \a y coordinate. The rectangle's size is
+    unchanged.
+
+    \sa bottom(), setBottom(), moveTop()
+*/
+
+
+/*!
+    \fn void QRectF::moveTopLeft(const QPointF &position)
+
+    Moves the rectangle, leaving the top-left corner at the given \a
+    position. The rectangle's size is unchanged.
+
+    \sa setTopLeft(), moveTop(), moveLeft()
+*/
+
+
+/*!
+    \fn void QRectF::moveBottomRight(const QPointF &position)
+
+    Moves the rectangle, leaving the bottom-right corner at the given
+    \a position. The rectangle's size is unchanged.
+
+    \sa setBottomRight(), moveBottom(), moveRight()
+*/
+
+
+/*!
+    \fn void QRectF::moveTopRight(const QPointF &position)
+
+    Moves the rectangle, leaving the top-right corner at the given
+    \a position. The rectangle's size is unchanged.
+
+    \sa setTopRight(), moveTop(), moveRight()
+*/
+
+
+/*!
+    \fn void QRectF::moveBottomLeft(const QPointF &position)
+
+    Moves the rectangle, leaving the bottom-left corner at the given
+    \a position. The rectangle's size is unchanged.
+
+    \sa setBottomLeft(), moveBottom(), moveLeft()
+*/
+
+
+/*!
+    \fn void QRectF::moveTo(qreal x, qreal y)
+
+    Moves the rectangle, leaving the top-left corner at the given
+    position (\a x, \a y). The rectangle's size is unchanged.
+
+    \sa translate(), moveTopLeft()
+*/
+
+/*!
+    \fn void QRectF::moveTo(const QPointF &position)
+    \overload
+
+    Moves the rectangle, leaving the top-left corner at the given \a
+    position.
+*/
+
+/*!
+    \fn void QRectF::translate(qreal dx, qreal dy)
+
+    Moves the rectangle \a dx along the x-axis and \a dy along the y-axis,
+    relative to the current position. Positive values move the rectangle to the
+    right and downwards.
+
+    \sa moveTopLeft(),  moveTo(),  translated()
+*/
+
+
+/*!
+    \fn void QRectF::translate(const QPointF &offset)
+    \overload
+
+    Moves the rectangle \a{offset}.\l{QPointF::x()}{x()} along the x
+    axis and \a{offset}.\l{QPointF::y()}{y()} along the y axis,
+    relative to the current position.
+*/
+
+
+/*!
+    \fn QRectF QRectF::translated(qreal dx, qreal dy) const
+
+    Returns a copy of the rectangle that is translated \a dx along the
+    x axis and \a dy along the y axis, relative to the current
+    position. Positive values move the rectangle to the right and
+    down.
+
+    \sa translate()
+*/
+
+
+/*!
+    \fn QRectF QRectF::translated(const QPointF &offset) const
+    \overload
+
+    Returns a copy of the rectangle that is translated
+    \a{offset}.\l{QPointF::x()}{x()} along the x axis and
+    \a{offset}.\l{QPointF::y()}{y()} along the y axis, relative to the
+    current position.
+*/
+
+
+/*!
+    \fn void QRectF::setRect(qreal x, qreal y, qreal width, qreal height)
+
+    Sets the coordinates of the rectangle's top-left corner to (\a x,
+    \a y), and its size to the given \a width and \a height.
+
+    \sa getRect(), setCoords()
+*/
+
+
+/*!
+    \fn void QRectF::setCoords(qreal x1, qreal y1, qreal x2, qreal y2)
+
+    Sets the coordinates of the rectangle's top-left corner to (\a x1,
+    \a y1), and the coordinates of its bottom-right corner to (\a x2,
+    \a y2).
+
+    \sa getCoords() setRect()
+*/
+
+/*!
+    \fn QRectF QRectF::adjusted(qreal dx1, qreal dy1, qreal dx2, qreal dy2) const
+
+    Returns a new rectangle with \a dx1, \a dy1, \a dx2 and \a dy2
+    added respectively to the existing coordinates of this rectangle.
+
+    \sa adjust()
+*/
+
+/*! \fn void QRectF::adjust(qreal dx1, qreal dy1, qreal dx2, qreal dy2)
+
+    Adds \a dx1, \a dy1, \a dx2 and \a dy2 respectively to the
+    existing coordinates of the rectangle.
+
+    \sa adjusted(), setRect()
+*/
+/*!
+    \fn QSizeF QRectF::size() const
+
+    Returns the size of the rectangle.
+
+    \sa setSize(), width(), height()
+*/
+
+/*!
+    \fn qreal QRectF::width() const
+
+    Returns the width of the rectangle.
+
+    \sa setWidth(), height(), size()
+*/
+
+/*!
+    \fn qreal QRectF::height() const
+
+    Returns the height of the rectangle.
+
+    \sa setHeight(), width(), size()
+*/
+
+/*!
+    \fn void QRectF::setWidth(qreal width)
+
+    Sets the width of the rectangle to the given \a width. The right
+    edge is changed, but not the left one.
+
+    \sa width(), setSize()
+*/
+
+
+/*!
+    \fn void QRectF::setHeight(qreal height)
+
+    Sets the height of the rectangle to the given \a height. The bottom
+    edge is changed, but not the top one.
+
+    \sa height(), setSize()
+*/
+
+
+/*!
+    \fn void QRectF::setSize(const QSizeF &size)
+
+    Sets the size of the rectangle to the given \a size. The top-left
+    corner is not moved.
+
+    \sa size(), setWidth(), setHeight()
+*/
+
+
+/*!
+    \fn bool QRectF::contains(const QPointF &point) const
+
+    Returns true if the given \a point is inside or on the edge of the
+    rectangle; otherwise returns false.
+
+    \sa intersects()
+*/
+
+bool QRectF::contains(const QPointF &p) const
+{
+    qreal l = xp;
+    qreal r = xp;
+    if (w < 0)
+        l += w;
+    else
+        r += w;
+    if (l == r) // null rect
+        return false;
+
+    if (p.x() < l || p.x() > r)
+        return false;
+
+    qreal t = yp;
+    qreal b = yp;
+    if (h < 0)
+        t += h;
+    else
+        b += h;
+    if (t == b) // null rect
+        return false;
+
+    if (p.y() < t || p.y() > b)
+        return false;
+
+    return true;
+}
+
+
+/*!
+    \fn bool QRectF::contains(qreal x, qreal y) const
+    \overload
+
+    Returns true if the point (\a x, \a y) is inside or on the edge of
+    the rectangle; otherwise returns false.
+*/
+
+/*!
+    \fn bool QRectF::contains(const QRectF &rectangle) const
+    \overload
+
+    Returns true if the given \a rectangle is inside this rectangle;
+    otherwise returns false.
+*/
+
+bool QRectF::contains(const QRectF &r) const
+{
+    qreal l1 = xp;
+    qreal r1 = xp;
+    if (w < 0)
+        l1 += w;
+    else
+        r1 += w;
+    if (l1 == r1) // null rect
+        return false;
+
+    qreal l2 = r.xp;
+    qreal r2 = r.xp;
+    if (r.w < 0)
+        l2 += r.w;
+    else
+        r2 += r.w;
+    if (l2 == r2) // null rect
+        return false;
+
+    if (l2 < l1 || r2 > r1)
+        return false;
+
+    qreal t1 = yp;
+    qreal b1 = yp;
+    if (h < 0)
+        t1 += h;
+    else
+        b1 += h;
+    if (t1 == b1) // null rect
+        return false;
+
+    qreal t2 = r.yp;
+    qreal b2 = r.yp;
+    if (r.h < 0)
+        t2 += r.h;
+    else
+        b2 += r.h;
+    if (t2 == b2) // null rect
+        return false;
+
+    if (t2 < t1 || b2 > b1)
+        return false;
+
+    return true;
+}
+
+/*!
+    \fn qreal QRectF::left() const
+
+    Returns the x-coordinate of the rectangle's left edge. Equivalent
+    to x().
+
+    \sa setLeft(), topLeft(), bottomLeft()
+*/
+
+/*!
+    \fn qreal QRectF::top() const
+
+    Returns the y-coordinate of the rectangle's top edge. Equivalent
+    to y().
+
+    \sa setTop(), topLeft(), topRight()
+*/
+
+/*!
+    \fn qreal QRectF::right() const
+
+    Returns the x-coordinate of the rectangle's right edge.
+
+    \sa setRight(), topRight(), bottomRight()
+*/
+
+/*!
+    \fn qreal QRectF::bottom() const
+
+    Returns the y-coordinate of the rectangle's bottom edge.
+
+    \sa setBottom(), bottomLeft(), bottomRight()
+*/
+
+/*!
+    \fn QPointF QRectF::topLeft() const
+
+    Returns the position of the rectangle's top-left corner.
+
+    \sa setTopLeft(), top(), left()
+*/
+
+/*!
+    \fn QPointF QRectF::bottomRight() const
+
+    Returns the position of the rectangle's  bottom-right corner.
+
+    \sa setBottomRight(), bottom(), right()
+*/
+
+/*!
+    \fn QPointF QRectF::topRight() const
+
+    Returns the position of the rectangle's top-right corner.
+
+    \sa setTopRight(), top(), right()
+*/
+
+/*!
+    \fn QPointF QRectF::bottomLeft() const
+
+    Returns the position of the rectangle's  bottom-left corner.
+
+    \sa setBottomLeft(),  bottom(), left()
+*/
+
+/*!
+    \fn QRectF& QRectF::operator|=(const QRectF &rectangle)
+
+    Unites this rectangle with the given \a rectangle.
+
+    \sa united(), operator|()
+*/
+
+/*!
+    \fn QRectF& QRectF::operator&=(const QRectF &rectangle)
+
+    Intersects this rectangle with the given \a rectangle.
+
+    \sa intersected(), operator|=()
+*/
+
+
+/*!
+    \fn QRectF QRectF::operator|(const QRectF &rectangle) const
+
+    Returns the bounding rectangle of this rectangle and the given \a rectangle.
+
+    \sa united(), operator|=()
+*/
+
+QRectF QRectF::operator|(const QRectF &r) const
+{
+    qreal l1 = xp;
+    qreal r1 = xp;
+    if (w < 0)
+        l1 += w;
+    else
+        r1 += w;
+    if (l1 == r1) // null rect
+        return r;
+
+    qreal l2 = r.xp;
+    qreal r2 = r.xp;
+    if (r.w < 0)
+        l2 += r.w;
+    else
+        r2 += r.w;
+    if (l2 == r2) // null rect
+        return *this;
+
+    qreal t1 = yp;
+    qreal b1 = yp;
+    if (h < 0)
+        t1 += h;
+    else
+        b1 += h;
+    if (t1 == b1) // null rect
+        return r;
+
+    qreal t2 = r.yp;
+    qreal b2 = r.yp;
+    if (r.h < 0)
+        t2 += r.h;
+    else
+        b2 += r.h;
+    if (t2 == b2) // null rect
+        return *this;
+
+    QRectF tmp;
+    tmp.xp = qMin(l1, l2);
+    tmp.yp = qMin(t1, t2);
+    tmp.w = qMax(r1, r2) - tmp.xp;
+    tmp.h = qMax(b1, b2) - tmp.yp;
+    return tmp;
+}
+
+/*!
+    \fn QRectF QRectF::unite(const QRectF &rectangle) const
+    \obsolete
+
+    Use united(\a rectangle) instead.
+*/
+
+/*!
+    \fn QRectF QRectF::united(const QRectF &rectangle) const
+    \since 4.2
+
+    Returns the bounding rectangle of this rectangle and the given \a
+    rectangle.
+
+    \image qrect-unite.png
+
+    \sa intersected()
+*/
+
+
+/*!
+    \fn QRectF QRectF::operator &(const QRectF &rectangle) const
+
+    Returns the intersection of this rectangle and the given \a
+    rectangle. Returns an empty rectangle if there is no intersection.
+
+    \sa operator&=(), intersected()
+*/
+
+QRectF QRectF::operator&(const QRectF &r) const
+{
+    qreal l1 = xp;
+    qreal r1 = xp;
+    if (w < 0)
+        l1 += w;
+    else
+        r1 += w;
+    if (l1 == r1) // null rect
+        return QRectF();
+
+    qreal l2 = r.xp;
+    qreal r2 = r.xp;
+    if (r.w < 0)
+        l2 += r.w;
+    else
+        r2 += r.w;
+    if (l2 == r2) // null rect
+        return QRectF();
+
+    if (l1 >= r2 || l2 >= r1)
+        return QRectF();
+
+    qreal t1 = yp;
+    qreal b1 = yp;
+    if (h < 0)
+        t1 += h;
+    else
+        b1 += h;
+    if (t1 == b1) // null rect
+        return QRectF();
+
+    qreal t2 = r.yp;
+    qreal b2 = r.yp;
+    if (r.h < 0)
+        t2 += r.h;
+    else
+        b2 += r.h;
+    if (t2 == b2) // null rect
+        return QRectF();
+
+    if (t1 >= b2 || t2 >= b1)
+        return QRectF();
+
+    QRectF tmp;
+    tmp.xp = qMax(l1, l2);
+    tmp.yp = qMax(t1, t2);
+    tmp.w = qMin(r1, r2) - tmp.xp;
+    tmp.h = qMin(b1, b2) - tmp.yp;
+    return tmp;
+}
+
+/*!
+    \fn QRectF QRectF::intersect(const QRectF &rectangle) const
+    \obsolete
+
+    Use intersected(\a rectangle) instead.
+*/
+
+/*!
+    \fn QRectF QRectF::intersected(const QRectF &rectangle) const
+    \since 4.2
+
+    Returns the intersection of this rectangle and the given \a
+    rectangle. Note that \c {r.intersected(s)} is equivalent to \c
+    {r & s}.
+
+    \image qrect-intersect.png
+
+    \sa intersects(), united(), operator&=()
+*/
+
+/*!
+    \fn bool QRectF::intersects(const QRectF &rectangle) const
+
+    Returns true if this rectangle intersects with the given \a
+    rectangle (i.e. there is a non-empty area of overlap between
+    them), otherwise returns false.
+
+    The intersection rectangle can be retrieved using the intersected()
+    function.
+
+    \sa contains()
+*/
+
+bool QRectF::intersects(const QRectF &r) const
+{
+    qreal l1 = xp;
+    qreal r1 = xp;
+    if (w < 0)
+        l1 += w;
+    else
+        r1 += w;
+    if (l1 == r1) // null rect
+        return false;
+
+    qreal l2 = r.xp;
+    qreal r2 = r.xp;
+    if (r.w < 0)
+        l2 += r.w;
+    else
+        r2 += r.w;
+    if (l2 == r2) // null rect
+        return false;
+
+    if (l1 >= r2 || l2 >= r1)
+        return false;
+
+    qreal t1 = yp;
+    qreal b1 = yp;
+    if (h < 0)
+        t1 += h;
+    else
+        b1 += h;
+    if (t1 == b1) // null rect
+        return false;
+
+    qreal t2 = r.yp;
+    qreal b2 = r.yp;
+    if (r.h < 0)
+        t2 += r.h;
+    else
+        b2 += r.h;
+    if (t2 == b2) // null rect
+        return false;
+
+    if (t1 >= b2 || t2 >= b1)
+        return false;
+
+    return true;
+}
+
+/*!
+    \fn QRect QRectF::toRect() const
+
+    Returns a QRect based on the values of this rectangle.  Note that the
+    coordinates in the returned rectangle are rounded to the nearest integer.
+
+    \sa QRectF(), toAlignedRect()
+*/
+
+/*!
+    \fn QRect QRectF::toAlignedRect() const
+    \since 4.3
+
+    Returns a QRect based on the values of this rectangle that is the
+    smallest possible integer rectangle that completely contains this
+    rectangle.
+
+    \sa toRect()
+*/
+
+QRect QRectF::toAlignedRect() const
+{
+    int xmin = int(qFloor(xp));
+    int xmax = int(qCeil(xp + w));
+    int ymin = int(qFloor(yp));
+    int ymax = int(qCeil(yp + h));
+    return QRect(xmin, ymin, xmax - xmin, ymax - ymin);
+}
+
+/*!
+    \fn void QRectF::moveCenter(const QPointF &position)
+
+    Moves the rectangle, leaving the center point at the given \a
+    position. The rectangle's size is unchanged.
+
+    \sa center()
+*/
+
+/*!
+    \fn bool operator==(const QRectF &r1, const QRectF &r2)
+    \relates QRectF
+
+    Returns true if the rectangles \a r1 and \a r2 are equal,
+    otherwise returns false.
+*/
+
+
+/*!
+    \fn bool operator!=(const QRectF &r1, const QRectF &r2)
+    \relates QRectF
+
+    Returns true if the rectangles \a r1 and \a r2 are different, otherwise
+    returns false.
+*/
+
+/*****************************************************************************
+  QRectF stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+/*!
+    \fn QDataStream &operator<<(QDataStream &stream, const QRectF &rectangle)
+
+    \relates QRectF
+
+    Writes the \a rectangle to the \a stream, and returns a reference to the
+    stream.
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+QDataStream &operator<<(QDataStream &s, const QRectF &r)
+{
+    s << double(r.x()) << double(r.y()) << double(r.width()) << double(r.height());
+    return s;
+}
+
+/*!
+    \fn QDataStream &operator>>(QDataStream &stream, QRectF &rectangle)
+
+    \relates QRectF
+
+    Reads a \a rectangle from the \a stream, and returns a reference to the
+    stream.
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+QDataStream &operator>>(QDataStream &s, QRectF &r)
+{
+    double x, y, w, h;
+    s >> x;
+    s >> y;
+    s >> w;
+    s >> h;
+    r.setRect(qreal(x), qreal(y), qreal(w), qreal(h));
+    return s;
+}
+
+#endif // QT_NO_DATASTREAM
+
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QRectF &r) {
+    dbg.nospace() << "QRectF(" << r.x() << ',' << r.y() << ' '
+                  << r.width() << 'x' << r.height() << ')';
+    return dbg.space();
+}
+#endif
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qrect.h b/src/corelib/tools/qrect.h
new file mode 100644
index 0000000000..194787e3d7
--- /dev/null
+++ b/src/corelib/tools/qrect.h
@@ -0,0 +1,858 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QRECT_H
+#define QRECT_H
+
+#include <QtCore/qsize.h>
+#include <QtCore/qpoint.h>
+
+#ifdef topLeft
+#error qrect.h must be included before any header file that defines topLeft
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QRect
+{
+public:
+    QRect() { x1 = y1 = 0; x2 = y2 = -1; }
+    QRect(const QPoint &topleft, const QPoint &bottomright);
+    QRect(const QPoint &topleft, const QSize &size);
+    QRect(int left, int top, int width, int height);
+
+    bool isNull() const;
+    bool isEmpty() const;
+    bool isValid() const;
+
+    int left() const;
+    int top() const;
+    int right() const;
+    int bottom() const;
+    QRect normalized() const;
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT int &rLeft() { return x1; }
+    QT3_SUPPORT int &rTop() { return y1; }
+    QT3_SUPPORT int &rRight() { return x2; }
+    QT3_SUPPORT int &rBottom() { return y2; }
+
+    QT3_SUPPORT QRect normalize() const { return normalized(); }
+#endif
+
+    int x() const;
+    int y() const;
+    void setLeft(int pos);
+    void setTop(int pos);
+    void setRight(int pos);
+    void setBottom(int pos);
+    void setX(int x);
+    void setY(int y);
+
+    void setTopLeft(const QPoint &p);
+    void setBottomRight(const QPoint &p);
+    void setTopRight(const QPoint &p);
+    void setBottomLeft(const QPoint &p);
+
+    QPoint topLeft() const;
+    QPoint bottomRight() const;
+    QPoint topRight() const;
+    QPoint bottomLeft() const;
+    QPoint center() const;
+
+    void moveLeft(int pos);
+    void moveTop(int pos);
+    void moveRight(int pos);
+    void moveBottom(int pos);
+    void moveTopLeft(const QPoint &p);
+    void moveBottomRight(const QPoint &p);
+    void moveTopRight(const QPoint &p);
+    void moveBottomLeft(const QPoint &p);
+    void moveCenter(const QPoint &p);
+
+    inline void translate(int dx, int dy);
+    inline void translate(const QPoint &p);
+    inline QRect translated(int dx, int dy) const;
+    inline QRect translated(const QPoint &p) const;
+
+    void moveTo(int x, int t);
+    void moveTo(const QPoint &p);
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT void moveBy(int dx, int dy) { translate(dx, dy); }
+    QT3_SUPPORT void moveBy(const QPoint &p) { translate(p); }
+#endif
+
+    void setRect(int x, int y, int w, int h);
+    inline void getRect(int *x, int *y, int *w, int *h) const;
+
+    void setCoords(int x1, int y1, int x2, int y2);
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT void addCoords(int x1, int y1, int x2, int y2);
+#endif
+    inline void getCoords(int *x1, int *y1, int *x2, int *y2) const;
+
+    inline void adjust(int x1, int y1, int x2, int y2);
+    inline QRect adjusted(int x1, int y1, int x2, int y2) const;
+
+    QSize size() const;
+    int width() const;
+    int height() const;
+    void setWidth(int w);
+    void setHeight(int h);
+    void setSize(const QSize &s);
+
+    QRect operator|(const QRect &r) const;
+    QRect operator&(const QRect &r) const;
+    QRect& operator|=(const QRect &r);
+    QRect& operator&=(const QRect &r);
+
+    bool contains(const QPoint &p, bool proper=false) const;
+    bool contains(int x, int y) const; // inline methods, _don't_ merge these
+    bool contains(int x, int y, bool proper) const;
+    bool contains(const QRect &r, bool proper = false) const;
+    QRect unite(const QRect &r) const;  // ### Qt 5: make QT4_SUPPORT
+    QRect united(const QRect &other) const;
+    QRect intersect(const QRect &r) const;  // ### Qt 5: make QT4_SUPPORT
+    QRect intersected(const QRect &other) const;
+    bool intersects(const QRect &r) const;
+
+    friend Q_CORE_EXPORT_INLINE bool operator==(const QRect &, const QRect &);
+    friend Q_CORE_EXPORT_INLINE bool operator!=(const QRect &, const QRect &);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT void rect(int *x, int *y, int *w, int *h) const { getRect(x, y, w, h); }
+    inline QT3_SUPPORT void coords(int *ax1, int *ay1, int *ax2, int *ay2) const
+    { getCoords(ax1, ay1, ax2, ay2); }
+#endif
+
+private:
+#if defined(Q_WS_X11)
+    friend void qt_setCoords(QRect *r, int xp1, int yp1, int xp2, int yp2);
+#endif
+    // ### Qt 5;  remove the ifdef and just have the same order on all platforms.
+#if defined(Q_OS_MAC)
+    int y1;
+    int x1;
+    int y2;
+    int x2;
+#else
+    int x1;
+    int y1;
+    int x2;
+    int y2;
+#endif
+
+};
+Q_DECLARE_TYPEINFO(QRect, Q_MOVABLE_TYPE);
+
+Q_CORE_EXPORT_INLINE bool operator==(const QRect &, const QRect &);
+Q_CORE_EXPORT_INLINE bool operator!=(const QRect &, const QRect &);
+
+
+/*****************************************************************************
+  QRect stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QRect &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QRect &);
+#endif
+
+/*****************************************************************************
+  QRect inline member functions
+ *****************************************************************************/
+
+inline QRect::QRect(int aleft, int atop, int awidth, int aheight)
+{
+    x1 = aleft;
+    y1 = atop;
+    x2 = (aleft + awidth - 1);
+    y2 = (atop + aheight - 1);
+}
+
+inline QRect::QRect(const QPoint &atopLeft, const QPoint &abottomRight)
+{
+    x1 = atopLeft.x();
+    y1 = atopLeft.y();
+    x2 = abottomRight.x();
+    y2 = abottomRight.y();
+}
+
+inline QRect::QRect(const QPoint &atopLeft, const QSize &asize)
+{
+    x1 = atopLeft.x();
+    y1 = atopLeft.y();
+    x2 = (x1+asize.width() - 1);
+    y2 = (y1+asize.height() - 1);
+}
+
+inline bool QRect::isNull() const
+{ return x2 == x1 - 1 && y2 == y1 - 1; }
+
+inline bool QRect::isEmpty() const
+{ return x1 > x2 || y1 > y2; }
+
+inline bool QRect::isValid() const
+{ return x1 <= x2 && y1 <= y2; }
+
+inline int QRect::left() const
+{ return x1; }
+
+inline int QRect::top() const
+{ return y1; }
+
+inline int QRect::right() const
+{ return x2; }
+
+inline int QRect::bottom() const
+{ return y2; }
+
+inline int QRect::x() const
+{ return x1; }
+
+inline int QRect::y() const
+{ return y1; }
+
+inline void QRect::setLeft(int pos)
+{ x1 = pos; }
+
+inline void QRect::setTop(int pos)
+{ y1 = pos; }
+
+inline void QRect::setRight(int pos)
+{ x2 = pos; }
+
+inline void QRect::setBottom(int pos)
+{ y2 = pos; }
+
+inline void QRect::setTopLeft(const QPoint &p)
+{ x1 = p.x(); y1 = p.y(); }
+
+inline void QRect::setBottomRight(const QPoint &p)
+{ x2 = p.x(); y2 = p.y(); }
+
+inline void QRect::setTopRight(const QPoint &p)
+{ x2 = p.x(); y1 = p.y(); }
+
+inline void QRect::setBottomLeft(const QPoint &p)
+{ x1 = p.x(); y2 = p.y(); }
+
+inline void QRect::setX(int ax)
+{ x1 = ax; }
+
+inline void QRect::setY(int ay)
+{ y1 = ay; }
+
+inline QPoint QRect::topLeft() const
+{ return QPoint(x1, y1); }
+
+inline QPoint QRect::bottomRight() const
+{ return QPoint(x2, y2); }
+
+inline QPoint QRect::topRight() const
+{ return QPoint(x2, y1); }
+
+inline QPoint QRect::bottomLeft() const
+{ return QPoint(x1, y2); }
+
+inline QPoint QRect::center() const
+{ return QPoint((x1+x2)/2, (y1+y2)/2); }
+
+inline int QRect::width() const
+{ return  x2 - x1 + 1; }
+
+inline int QRect::height() const
+{ return  y2 - y1 + 1; }
+
+inline QSize QRect::size() const
+{ return QSize(width(), height()); }
+
+inline void QRect::translate(int dx, int dy)
+{
+    x1 += dx;
+    y1 += dy;
+    x2 += dx;
+    y2 += dy;
+}
+
+inline void QRect::translate(const QPoint &p)
+{
+    x1 += p.x();
+    y1 += p.y();
+    x2 += p.x();
+    y2 += p.y();
+}
+
+inline QRect QRect::translated(int dx, int dy) const
+{ return QRect(QPoint(x1 + dx, y1 + dy), QPoint(x2 + dx, y2 + dy)); }
+
+inline QRect QRect::translated(const QPoint &p) const
+{ return QRect(QPoint(x1 + p.x(), y1 + p.y()), QPoint(x2 + p.x(), y2 + p.y())); }
+
+inline void QRect::moveTo(int ax, int ay)
+{
+    x2 += ax - x1;
+    y2 += ay - y1;
+    x1 = ax;
+    y1 = ay;
+}
+
+inline void QRect::moveTo(const QPoint &p)
+{
+    x2 += p.x() - x1;
+    y2 += p.y() - y1;
+    x1 = p.x();
+    y1 = p.y();
+}
+
+inline void QRect::moveLeft(int pos)
+{ x2 += (pos - x1); x1 = pos; }
+
+inline void QRect::moveTop(int pos)
+{ y2 += (pos - y1); y1 = pos; }
+
+inline void QRect::moveRight(int pos)
+{
+    x1 += (pos - x2);
+    x2 = pos;
+}
+
+inline void QRect::moveBottom(int pos)
+{
+    y1 += (pos - y2);
+    y2 = pos;
+}
+
+inline void QRect::moveTopLeft(const QPoint &p)
+{
+    moveLeft(p.x());
+    moveTop(p.y());
+}
+
+inline void QRect::moveBottomRight(const QPoint &p)
+{
+    moveRight(p.x());
+    moveBottom(p.y());
+}
+
+inline void QRect::moveTopRight(const QPoint &p)
+{
+    moveRight(p.x());
+    moveTop(p.y());
+}
+
+inline void QRect::moveBottomLeft(const QPoint &p)
+{
+    moveLeft(p.x());
+    moveBottom(p.y());
+}
+
+inline void QRect::getRect(int *ax, int *ay, int *aw, int *ah) const
+{
+    *ax = x1;
+    *ay = y1;
+    *aw = x2 - x1 + 1;
+    *ah = y2 - y1 + 1;
+}
+
+inline void QRect::setRect(int ax, int ay, int aw, int ah)
+{
+    x1 = ax;
+    y1 = ay;
+    x2 = (ax + aw - 1);
+    y2 = (ay + ah - 1);
+}
+
+inline void QRect::getCoords(int *xp1, int *yp1, int *xp2, int *yp2) const
+{
+    *xp1 = x1;
+    *yp1 = y1;
+    *xp2 = x2;
+    *yp2 = y2;
+}
+
+inline void QRect::setCoords(int xp1, int yp1, int xp2, int yp2)
+{
+    x1 = xp1;
+    y1 = yp1;
+    x2 = xp2;
+    y2 = yp2;
+}
+
+#ifdef QT3_SUPPORT
+inline void QRect::addCoords(int dx1, int dy1, int dx2, int dy2)
+{
+    adjust(dx1, dy1, dx2, dy2);
+}
+#endif
+
+inline QRect QRect::adjusted(int xp1, int yp1, int xp2, int yp2) const
+{ return QRect(QPoint(x1 + xp1, y1 + yp1), QPoint(x2 + xp2, y2 + yp2)); }
+
+inline void QRect::adjust(int dx1, int dy1, int dx2, int dy2)
+{
+    x1 += dx1;
+    y1 += dy1;
+    x2 += dx2;
+    y2 += dy2;
+}
+
+inline void QRect::setWidth(int w)
+{ x2 = (x1 + w - 1); }
+
+inline void QRect::setHeight(int h)
+{ y2 = (y1 + h - 1); }
+
+inline void QRect::setSize(const QSize &s)
+{
+    x2 = (s.width()  + x1 - 1);
+    y2 = (s.height() + y1 - 1);
+}
+
+inline bool QRect::contains(int ax, int ay, bool aproper) const
+{
+    return contains(QPoint(ax, ay), aproper);
+}
+
+inline bool QRect::contains(int ax, int ay) const
+{
+    return contains(QPoint(ax, ay), false);
+}
+
+inline QRect& QRect::operator|=(const QRect &r)
+{
+    *this = *this | r;
+    return *this;
+}
+
+inline QRect& QRect::operator&=(const QRect &r)
+{
+    *this = *this & r;
+    return *this;
+}
+
+inline QRect QRect::intersect(const QRect &r) const
+{
+    return *this & r;
+}
+
+inline QRect QRect::intersected(const QRect &other) const
+{
+    return intersect(other);
+}
+
+inline QRect QRect::unite(const QRect &r) const
+{
+    return *this | r;
+}
+
+inline QRect QRect::united(const QRect &r) const
+{
+     return unite(r);
+}
+
+inline bool operator==(const QRect &r1, const QRect &r2)
+{
+    return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2;
+}
+
+inline bool operator!=(const QRect &r1, const QRect &r2)
+{
+    return r1.x1!=r2.x1 || r1.x2!=r2.x2 || r1.y1!=r2.y1 || r1.y2!=r2.y2;
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QRect &);
+#endif
+
+
+class Q_CORE_EXPORT QRectF
+{
+public:
+    QRectF() { xp = yp = 0.; w = h = 0.; }
+    QRectF(const QPointF &topleft, const QSizeF &size);
+    QRectF(const QPointF &topleft, const QPointF &bottomRight);
+    QRectF(qreal left, qreal top, qreal width, qreal height);
+    QRectF(const QRect &rect);
+
+    bool isNull() const;
+    bool isEmpty() const;
+    bool isValid() const;
+    QRectF normalized() const;
+
+    inline qreal left() const { return xp; }
+    inline qreal top() const { return yp; }
+    inline qreal right() const { return xp + w; }
+    inline qreal bottom() const { return yp + h; }
+
+    inline qreal x() const;
+    inline qreal y() const;
+    inline void setLeft(qreal pos);
+    inline void setTop(qreal pos);
+    inline void setRight(qreal pos);
+    inline void setBottom(qreal pos);
+    inline void setX(qreal pos) { setLeft(pos); }
+    inline void setY(qreal pos) { setTop(pos); }
+
+    inline QPointF topLeft() const { return QPointF(xp, yp); }
+    inline QPointF bottomRight() const { return QPointF(xp+w, yp+h); }
+    inline QPointF topRight() const { return QPointF(xp+w, yp); }
+    inline QPointF bottomLeft() const { return QPointF(xp, yp+h); }
+    inline QPointF center() const;
+
+    void setTopLeft(const QPointF &p);
+    void setBottomRight(const QPointF &p);
+    void setTopRight(const QPointF &p);
+    void setBottomLeft(const QPointF &p);
+
+    void moveLeft(qreal pos);
+    void moveTop(qreal pos);
+    void moveRight(qreal pos);
+    void moveBottom(qreal pos);
+    void moveTopLeft(const QPointF &p);
+    void moveBottomRight(const QPointF &p);
+    void moveTopRight(const QPointF &p);
+    void moveBottomLeft(const QPointF &p);
+    void moveCenter(const QPointF &p);
+
+    void translate(qreal dx, qreal dy);
+    void translate(const QPointF &p);
+
+    QRectF translated(qreal dx, qreal dy) const;
+    QRectF translated(const QPointF &p) const;
+
+    void moveTo(qreal x, qreal t);
+    void moveTo(const QPointF &p);
+
+    void setRect(qreal x, qreal y, qreal w, qreal h);
+    void getRect(qreal *x, qreal *y, qreal *w, qreal *h) const;
+
+    void setCoords(qreal x1, qreal y1, qreal x2, qreal y2);
+    void getCoords(qreal *x1, qreal *y1, qreal *x2, qreal *y2) const;
+
+    inline void adjust(qreal x1, qreal y1, qreal x2, qreal y2);
+    inline QRectF adjusted(qreal x1, qreal y1, qreal x2, qreal y2) const;
+
+    QSizeF size() const;
+    qreal width() const;
+    qreal height() const;
+    void setWidth(qreal w);
+    void setHeight(qreal h);
+    void setSize(const QSizeF &s);
+
+    QRectF operator|(const QRectF &r) const;
+    QRectF operator&(const QRectF &r) const;
+    QRectF& operator|=(const QRectF &r);
+    QRectF& operator&=(const QRectF &r);
+
+    bool contains(const QPointF &p) const;
+    bool contains(qreal x, qreal y) const;
+    bool contains(const QRectF &r) const;
+    QRectF unite(const QRectF &r) const;  // ### Qt 5: make QT4_SUPPORT
+    QRectF united(const QRectF &other) const;
+    QRectF intersect(const QRectF &r) const;  // ### Qt 5: make QT4_SUPPORT
+    QRectF intersected(const QRectF &other) const;
+    bool intersects(const QRectF &r) const;
+
+    friend Q_CORE_EXPORT_INLINE bool operator==(const QRectF &, const QRectF &);
+    friend Q_CORE_EXPORT_INLINE bool operator!=(const QRectF &, const QRectF &);
+
+    QRect toRect() const;
+    QRect toAlignedRect() const;
+
+private:
+    qreal xp;
+    qreal yp;
+    qreal w;
+    qreal h;
+};
+Q_DECLARE_TYPEINFO(QRectF, Q_MOVABLE_TYPE);
+
+Q_CORE_EXPORT_INLINE bool operator==(const QRectF &, const QRectF &);
+Q_CORE_EXPORT_INLINE bool operator!=(const QRectF &, const QRectF &);
+
+
+/*****************************************************************************
+  QRectF stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QRectF &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QRectF &);
+#endif
+
+/*****************************************************************************
+  QRectF inline member functions
+ *****************************************************************************/
+
+inline QRectF::QRectF(qreal aleft, qreal atop, qreal awidth, qreal aheight)
+    : xp(aleft), yp(atop), w(awidth), h(aheight)
+{
+}
+
+inline QRectF::QRectF(const QPointF &atopLeft, const QSizeF &asize)
+{
+    xp = atopLeft.x();
+    yp = atopLeft.y();
+    w = asize.width();
+    h = asize.height();
+}
+
+inline QRectF::QRectF(const QPointF &atopLeft, const QPointF &abottomRight)
+{
+    xp = atopLeft.x();
+    yp = atopLeft.y();
+    w = abottomRight.x() - xp;
+    h = abottomRight.y() - yp;
+}
+
+inline QRectF::QRectF(const QRect &r)
+    : xp(r.x()), yp(r.y()), w(r.width()), h(r.height())
+{
+}
+
+inline bool QRectF::isNull() const
+{ return qIsNull(w) && qIsNull(h); }
+
+inline bool QRectF::isEmpty() const
+{ return w <= 0. || h <= 0.; }
+
+inline bool QRectF::isValid() const
+{ return w > 0. && h > 0.; }
+
+inline qreal QRectF::x() const
+{ return xp; }
+
+inline qreal QRectF::y() const
+{ return yp; }
+
+inline void QRectF::setLeft(qreal pos) { qreal diff = pos - xp; xp += diff; w -= diff; }
+
+inline void QRectF::setRight(qreal pos) { w = pos - xp; }
+
+inline void QRectF::setTop(qreal pos) { qreal diff = pos - yp; yp += diff; h -= diff; }
+
+inline void QRectF::setBottom(qreal pos) { h = pos - yp; }
+
+inline void QRectF::setTopLeft(const QPointF &p) { setLeft(p.x()); setTop(p.y()); }
+
+inline void QRectF::setTopRight(const QPointF &p) { setRight(p.x()); setTop(p.y()); }
+
+inline void QRectF::setBottomLeft(const QPointF &p) { setLeft(p.x()); setBottom(p.y()); }
+
+inline void QRectF::setBottomRight(const QPointF &p) { setRight(p.x()); setBottom(p.y()); }
+
+inline QPointF QRectF::center() const
+{ return QPointF(xp + w/2, yp + h/2); }
+
+inline void QRectF::moveLeft(qreal pos) { xp = pos; }
+
+inline void QRectF::moveTop(qreal pos) { yp = pos; }
+
+inline void QRectF::moveRight(qreal pos) { xp = pos - w; }
+
+inline void QRectF::moveBottom(qreal pos) { yp = pos - h; }
+
+inline void QRectF::moveTopLeft(const QPointF &p) { moveLeft(p.x()); moveTop(p.y()); }
+
+inline void QRectF::moveTopRight(const QPointF &p) { moveRight(p.x()); moveTop(p.y()); }
+
+inline void QRectF::moveBottomLeft(const QPointF &p) { moveLeft(p.x()); moveBottom(p.y()); }
+
+inline void QRectF::moveBottomRight(const QPointF &p) { moveRight(p.x()); moveBottom(p.y()); }
+
+inline void QRectF::moveCenter(const QPointF &p) { xp = p.x() - w/2; yp = p.y() - h/2; }
+
+inline qreal QRectF::width() const
+{ return w; }
+
+inline qreal QRectF::height() const
+{ return h; }
+
+inline QSizeF QRectF::size() const
+{ return QSizeF(w, h); }
+
+inline void QRectF::translate(qreal dx, qreal dy)
+{
+    xp += dx;
+    yp += dy;
+}
+
+inline void QRectF::translate(const QPointF &p)
+{
+    xp += p.x();
+    yp += p.y();
+}
+
+inline void QRectF::moveTo(qreal ax, qreal ay)
+{
+    xp = ax;
+    yp = ay;
+}
+
+inline void QRectF::moveTo(const QPointF &p)
+{
+    xp = p.x();
+    yp = p.y();
+}
+
+inline QRectF QRectF::translated(qreal dx, qreal dy) const
+{ return QRectF(xp + dx, yp + dy, w, h); }
+
+inline QRectF QRectF::translated(const QPointF &p) const
+{ return QRectF(xp + p.x(), yp + p.y(), w, h); }
+
+inline void QRectF::getRect(qreal *ax, qreal *ay, qreal *aaw, qreal *aah) const
+{
+    *ax = this->xp;
+    *ay = this->yp;
+    *aaw = this->w;
+    *aah = this->h;
+}
+
+inline void QRectF::setRect(qreal ax, qreal ay, qreal aaw, qreal aah)
+{
+    this->xp = ax;
+    this->yp = ay;
+    this->w = aaw;
+    this->h = aah;
+}
+
+inline void QRectF::getCoords(qreal *xp1, qreal *yp1, qreal *xp2, qreal *yp2) const
+{
+    *xp1 = xp;
+    *yp1 = yp;
+    *xp2 = xp + w;
+    *yp2 = yp + h;
+}
+
+inline void QRectF::setCoords(qreal xp1, qreal yp1, qreal xp2, qreal yp2)
+{
+    xp = xp1;
+    yp = yp1;
+    w = xp2 - xp1;
+    h = yp2 - yp1;
+}
+
+inline void QRectF::adjust(qreal xp1, qreal yp1, qreal xp2, qreal yp2)
+{ xp += xp1; yp += yp1; w += xp2 - xp1; h += yp2 - yp1; }
+
+inline QRectF QRectF::adjusted(qreal xp1, qreal yp1, qreal xp2, qreal yp2) const
+{ return QRectF(xp + xp1, yp + yp1, w + xp2 - xp1, h + yp2 - yp1); }
+
+inline void QRectF::setWidth(qreal aw)
+{ this->w = aw; }
+
+inline void QRectF::setHeight(qreal ah)
+{ this->h = ah; }
+
+inline void QRectF::setSize(const QSizeF &s)
+{
+    w = s.width();
+    h = s.height();
+}
+
+inline bool QRectF::contains(qreal ax, qreal ay) const
+{
+    return contains(QPointF(ax, ay));
+}
+
+inline QRectF& QRectF::operator|=(const QRectF &r)
+{
+    *this = *this | r;
+    return *this;
+}
+
+inline QRectF& QRectF::operator&=(const QRectF &r)
+{
+    *this = *this & r;
+    return *this;
+}
+
+inline QRectF QRectF::intersect(const QRectF &r) const
+{
+    return *this & r;
+}
+
+inline QRectF QRectF::intersected(const QRectF &r) const
+{
+    return intersect(r);
+}
+
+inline QRectF QRectF::unite(const QRectF &r) const
+{
+    return *this | r;
+}
+
+inline QRectF QRectF::united(const QRectF &r) const
+{
+    return unite(r);
+}
+
+inline bool operator==(const QRectF &r1, const QRectF &r2)
+{
+    return qFuzzyCompare(r1.xp, r2.xp) && qFuzzyCompare(r1.yp, r2.yp)
+           && qFuzzyCompare(r1.w, r2.w) && qFuzzyCompare(r1.h, r2.h);
+}
+
+inline bool operator!=(const QRectF &r1, const QRectF &r2)
+{
+    return !qFuzzyCompare(r1.xp, r2.xp) || !qFuzzyCompare(r1.yp, r2.yp)
+           || !qFuzzyCompare(r1.w, r2.w) || !qFuzzyCompare(r1.h, r2.h);
+}
+
+inline QRect QRectF::toRect() const
+{
+    return QRect(qRound(xp), qRound(yp), qRound(w), qRound(h));
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QRectF &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QRECT_H
diff --git a/src/corelib/tools/qregexp.cpp b/src/corelib/tools/qregexp.cpp
new file mode 100644
index 0000000000..e1c39219ea
--- /dev/null
+++ b/src/corelib/tools/qregexp.cpp
@@ -0,0 +1,4070 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qregexp.h"
+
+#include "qalgorithms.h"
+#include "qbitarray.h"
+#include "qcache.h"
+#include "qdatastream.h"
+#include "qlist.h"
+#include "qmap.h"
+#include "qmutex.h"
+#include "qstring.h"
+#include "qstringlist.h"
+#include "qstringmatcher.h"
+#include "qvector.h"
+
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+int qFindString(const QChar *haystack, int haystackLen, int from,
+    const QChar *needle, int needleLen, Qt::CaseSensitivity cs);
+
+// error strings for the regexp parser
+#define RXERR_OK         QT_TRANSLATE_NOOP("QRegExp", "no error occurred")
+#define RXERR_DISABLED   QT_TRANSLATE_NOOP("QRegExp", "disabled feature used")
+#define RXERR_CHARCLASS  QT_TRANSLATE_NOOP("QRegExp", "bad char class syntax")
+#define RXERR_LOOKAHEAD  QT_TRANSLATE_NOOP("QRegExp", "bad lookahead syntax")
+#define RXERR_REPETITION QT_TRANSLATE_NOOP("QRegExp", "bad repetition syntax")
+#define RXERR_OCTAL      QT_TRANSLATE_NOOP("QRegExp", "invalid octal value")
+#define RXERR_LEFTDELIM  QT_TRANSLATE_NOOP("QRegExp", "missing left delim")
+#define RXERR_END        QT_TRANSLATE_NOOP("QRegExp", "unexpected end")
+#define RXERR_LIMIT      QT_TRANSLATE_NOOP("QRegExp", "met internal limit")
+
+/*
+  WARNING! Be sure to read qregexp.tex before modifying this file.
+*/
+
+/*!
+    \class QRegExp
+    \reentrant
+    \brief The QRegExp class provides pattern matching using regular expressions.
+
+    \ingroup tools
+    \ingroup misc
+    \ingroup shared
+    \mainclass
+    \keyword regular expression
+
+    A regular expression, or "regexp", is a pattern for matching
+    substrings in a text. This is useful in many contexts, e.g.,
+
+    \table
+    \row \i Validation
+         \i A regexp can test whether a substring meets some criteria,
+         e.g. is an integer or contains no whitespace.
+    \row \i Searching
+         \i A regexp provides more powerful pattern matching than
+         simple substring matching, e.g., match one of the words
+         \e{mail}, \e{letter} or \e{correspondence}, but none of the
+         words \e{email}, \e{mailman}, \e{mailer}, \e{letterbox}, etc.
+     \row \i Search and Replace
+         \i A regexp can replace all occurrences of a substring with a
+         different substring, e.g., replace all occurrences of \e{&}
+         with \e{\&amp;} except where the \e{&} is already followed by
+         an \e{amp;}.
+    \row \i String Splitting
+         \i A regexp can be used to identify where a string should be
+         split apart, e.g. splitting tab-delimited strings.
+    \endtable
+
+    A brief introduction to regexps is presented, a description of
+    Qt's regexp language, some examples, and the function
+    documentation itself. QRegExp is modeled on Perl's regexp
+    language. It fully supports Unicode. QRegExp can also be used in a
+    simpler, \e{wildcard mode} that is similar to the functionality
+    found in command shells. The syntax rules used by QRegExp can be
+    changed with setPatternSyntax(). In particular, the pattern syntax
+    can be set to QRegExp::FixedString, which means the pattern to be
+    matched is interpreted as a plain string, i.e., special characters
+    (e.g., backslash) are not escaped.
+
+    A good text on regexps is \e {Mastering Regular Expressions}
+    (Third Edition) by Jeffrey E. F.  Friedl, ISBN 0-596-52812-4.
+
+    \tableofcontents
+
+    \section1 Introduction
+
+    Regexps are built up from expressions, quantifiers, and
+    assertions. The simplest expression is a character, e.g. \bold{x}
+    or \bold{5}. An expression can also be a set of characters
+    enclosed in square brackets. \bold{[ABCD]} will match an \bold{A}
+    or a \bold{B} or a \bold{C} or a \bold{D}. We can write this same
+    expression as \bold{[A-D]}, and an experession to match any
+    captital letter in the English alphabet is written as
+    \bold{[A-Z]}.
+
+    A quantifier specifies the number of occurrences of an expression
+    that must be matched. \bold{x{1,1}} means match one and only one
+    \bold{x}. \bold{x{1,5}} means match a sequence of \bold{x}
+    characters that contains at least one \bold{x} but no more than
+    five.
+
+    Note that in general regexps cannot be used to check for balanced
+    brackets or tags. For example, a regexp can be written to match an
+    opening html \c{<b>} and its closing \c{</b>}, if the \c{<b>} tags
+    are not nested, but if the \c{<b>} tags are nested, that same
+    regexp will match an opening \c{<b>} tag with the wrong closing
+    \c{</b>}.  For the fragment \c{<b>bold <b>bolder</b></b>}, the
+    first \c{<b>} would be matched with the first \c{</b>}, which is
+    not correct. However, it is possible to write a regexp that will
+    match nested brackets or tags correctly, but only if the number of
+    nesting levels is fixed and known. If the number of nesting levels
+    is not fixed and known, it is impossible to write a regexp that
+    will not fail.
+
+    Suppose we want a regexp to match integers in the range 0 to 99.
+    At least one digit is required, so we start with the expression
+    \bold{[0-9]{1,1}}, which matches a single digit exactly once. This
+    regexp matches integers in the range 0 to 9. To match integers up
+    to 99, increase the maximum number of occurrences to 2, so the
+    regexp becomes \bold{[0-9]{1,2}}. This regexp satisfies the
+    original requirement to match integers from 0 to 99, but it will
+    also match integers that occur in the middle of strings. If we
+    want the matched integer to be the whole string, we must use the
+    anchor assertions, \bold{^} (caret) and \bold{$} (dollar). When
+    \bold{^} is the first character in a regexp, it means the regexp
+    must match from the beginning of the string. When \bold{$} is the
+    last character of the regexp, it means the regexp must match to
+    the end of the string. The regexp becomes \bold{^[0-9]{1,2}$}.
+    Note that assertions, e.g. \bold{^} and \bold{$}, do not match
+    characters but locations in the string.
+
+    If you have seen regexps described elsewhere, they may have looked
+    different from the ones shown here. This is because some sets of
+    characters and some quantifiers are so common that they have been
+    given special symbols to represent them. \bold{[0-9]} can be
+    replaced with the symbol \bold{\\d}. The quantifier to match
+    exactly one occurrence, \bold{{1,1}}, can be replaced with the
+    expression itself, i.e. \bold{x{1,1}} is the same as \bold{x}. So
+    our 0 to 99 matcher could be written as \bold{^\\d{1,2}$}. It can
+    also be written \bold{^\\d\\d{0,1}$}, i.e. \e{From the start of
+    the string, match a digit, followed immediately by 0 or 1 digits}.
+    In practice, it would be written as \bold{^\\d\\d?$}. The \bold{?}
+    is shorthand for the quantifier \bold{{0,1}}, i.e. 0 or 1
+    occurrences. \bold{?} makes an expression optional. The regexp
+    \bold{^\\d\\d?$} means \e{From the beginning of the string, match
+    one digit, followed immediately by 0 or 1 more digit, followed
+    immediately by end of string}.
+
+    To write a regexp that matches one of the words 'mail' \e or
+    'letter' \e or 'correspondence' but does not match words that
+    contain these words, e.g., 'email', 'mailman', 'mailer', and
+    'letterbox', start with a regexp that matches 'mail'. Expressed
+    fully, the regexp is \bold{m{1,1}a{1,1}i{1,1}l{1,1}}, but because
+    a character expression is automatically quantified by
+    \bold{{1,1}}, we can simplify the regexp to \bold{mail}, i.e., an
+    'm' followed by an 'a' followed by an 'i' followed by an 'l'. Now
+    we can use the vertical bar \bold{|}, which means \bold{or}, to
+    include the other two words, so our regexp for matching any of the
+    three words becomes \bold{mail|letter|correspondence}. Match
+    'mail' \bold{or} 'letter' \bold{or} 'correspondence'. While this
+    regexp will match one of the three words we want to match, it will
+    also match words we don't want to match, e.g., 'email'.  To
+    prevent the regexp from matching unwanted words, we must tell it
+    to begin and end the match at word boundaries. First we enclose
+    our regexp in parentheses, \bold{(mail|letter|correspondence)}.
+    Parentheses group expressions together, and they identify a part
+    of the regexp that we wish to \l{capturing text}{capture}.
+    Enclosing the expression in parentheses allows us to use it as a
+    component in more complex regexps. It also allows us to examine
+    which of the three words was actually matched. To force the match
+    to begin and end on word boundaries, we enclose the regexp in
+    \bold{\\b} \e{word boundary} assertions:
+    \bold{\\b(mail|letter|correspondence)\\b}.  Now the regexp means:
+    \e{Match a word boundary, followed by the regexp in parentheses,
+    followed by a word boundary}. The \bold{\\b} assertion matches a
+    \e position in the regexp, not a \e character. A word boundary is
+    any non-word character, e.g., a space, newline, or the beginning
+    or ending of a string.
+
+    If we want to replace ampersand characters with the HTML entity
+    \bold{\&amp;}, the regexp to match is simply \bold{\&}. But this
+    regexp will also match ampersands that have already been converted
+    to HTML entities. We want to replace only ampersands that are not
+    already followed by \bold{amp;}. For this, we need the negative
+    lookahead assertion, \bold{(?!}__\bold{)}. The regexp can then be
+    written as \bold{\&(?!amp;)}, i.e. \e{Match an ampersand that is}
+    \bold{not} \e{followed by} \bold{amp;}.
+
+    If we want to count all the occurrences of 'Eric' and 'Eirik' in a
+    string, two valid solutions are \bold{\\b(Eric|Eirik)\\b} and
+    \bold{\\bEi?ri[ck]\\b}. The word boundary assertion '\\b' is
+    required to avoid matching words that contain either name,
+    e.g. 'Ericsson'. Note that the second regexp matches more
+    spellings than we want: 'Eric', 'Erik', 'Eiric' and 'Eirik'.
+
+    Some of the examples discussed above are implemented in the
+    \link #code-examples code examples \endlink section.
+
+    \target characters-and-abbreviations-for-sets-of-characters
+    \section1 Characters and Abbreviations for Sets of Characters
+
+    \table
+    \header \i Element \i Meaning
+    \row \i \bold{c}
+         \i A character represents itself unless it has a special
+         regexp meaning. e.g. \bold{c} matches the character \e c.
+    \row \i \bold{\\c}
+         \i A character that follows a backslash matches the character
+         itself, except as specified below. e.g., To match a literal
+         caret at the beginning of a string, write \bold{\\^}.
+    \row \i \bold{\\a}
+         \i Matches the ASCII bell (BEL, 0x07).
+    \row \i \bold{\\f}
+         \i Matches the ASCII form feed (FF, 0x0C).
+    \row \i \bold{\\n}
+         \i Matches the ASCII line feed (LF, 0x0A, Unix newline).
+    \row \i \bold{\\r}
+         \i Matches the ASCII carriage return (CR, 0x0D).
+    \row \i \bold{\\t}
+         \i Matches the ASCII horizontal tab (HT, 0x09).
+    \row \i \bold{\\v}
+         \i Matches the ASCII vertical tab (VT, 0x0B).
+    \row \i \bold{\\x\e{hhhh}}
+         \i Matches the Unicode character corresponding to the
+         hexadecimal number \e{hhhh} (between 0x0000 and 0xFFFF).
+    \row \i \bold{\\0\e{ooo}} (i.e., \\zero \e{ooo})
+         \i matches the ASCII/Latin1 character for the octal number
+         \e{ooo} (between 0 and 0377).
+    \row \i \bold{. (dot)}
+         \i Matches any character (including newline).
+    \row \i \bold{\\d}
+         \i Matches a digit (QChar::isDigit()).
+    \row \i \bold{\\D}
+         \i Matches a non-digit.
+    \row \i \bold{\\s}
+         \i Matches a whitespace character (QChar::isSpace()).
+    \row \i \bold{\\S}
+         \i Matches a non-whitespace character.
+    \row \i \bold{\\w}
+         \i Matches a word character (QChar::isLetterOrNumber(), QChar::isMark(), or '_').
+    \row \i \bold{\\W}
+         \i Matches a non-word character.
+    \row \i \bold{\\\e{n}}
+         \i The \e{n}-th \l backreference, e.g. \\1, \\2, etc.
+    \endtable
+
+    \bold{Note:} The C++ compiler transforms backslashes in strings.
+    To include a \bold{\\} in a regexp, enter it twice, i.e. \c{\\}.
+    To match the backslash character itself, enter it four times, i.e.
+    \c{\\\\}.
+
+    \target sets-of-characters
+    \section1 Sets of Characters
+
+    Square brackets mean match any character contained in the square
+    brackets. The character set abbreviations described above can
+    appear in a character set in square brackets. Except for the
+    character set abbreviations and the following two exceptions, 
+    characters do not have special meanings in square brackets.
+
+    \table
+    \row \i \bold{^}
+
+         \i The caret negates the character set if it occurs as the
+         first character (i.e. immediately after the opening square
+         bracket). \bold{[abc]} matches 'a' or 'b' or 'c', but
+         \bold{[^abc]} matches anything \e but 'a' or 'b' or 'c'.
+
+    \row \i \bold{-}
+
+         \i The dash indicates a range of characters. \bold{[W-Z]}
+         matches 'W' or 'X' or 'Y' or 'Z'.
+
+    \endtable
+
+    Using the predefined character set abbreviations is more portable
+    than using character ranges across platforms and languages. For
+    example, \bold{[0-9]} matches a digit in Western alphabets but
+    \bold{\\d} matches a digit in \e any alphabet.
+
+    Note: In other regexp documentation, sets of characters are often
+    called "character classes".
+
+    \target quantifiers
+    \section1 Quantifiers
+
+    By default, an expression is automatically quantified by
+    \bold{{1,1}}, i.e. it should occur exactly once. In the following
+    list, \bold{\e {E}} stands for expression. An expression is a
+    character, or an abbreviation for a set of characters, or a set of
+    characters in square brackets, or an expression in parentheses.
+
+    \table
+    \row \i \bold{\e {E}?}
+
+         \i Matches zero or one occurrences of \e E. This quantifier
+         means \e{The previous expression is optional}, because it
+         will match whether or not the expression is found. \bold{\e
+         {E}?} is the same as \bold{\e {E}{0,1}}. e.g., \bold{dents?}
+         matches 'dent' or 'dents'.
+
+    \row \i \bold{\e {E}+}
+
+         \i Matches one or more occurrences of \e E. \bold{\e {E}+} is
+         the same as \bold{\e {E}{1,}}. e.g., \bold{0+} matches '0',
+         '00', '000', etc.
+
+    \row \i \bold{\e {E}*}
+
+         \i Matches zero or more occurrences of \e E. It is the same
+         as \bold{\e {E}{0,}}. The \bold{*} quantifier is often used
+         in error where \bold{+} should be used. For example, if
+         \bold{\\s*$} is used in an expression to match strings that
+         end in whitespace, it will match every string because
+         \bold{\\s*$} means \e{Match zero or more whitespaces followed
+         by end of string}. The correct regexp to match strings that
+         have at least one trailing whitespace character is
+         \bold{\\s+$}.
+
+    \row \i \bold{\e {E}{n}}
+
+         \i Matches exactly \e n occurrences of \e E. \bold{\e {E}{n}}
+         is the same as repeating \e E \e n times. For example,
+         \bold{x{5}} is the same as \bold{xxxxx}. It is also the same
+         as \bold{\e {E}{n,n}}, e.g. \bold{x{5,5}}.
+
+    \row \i \bold{\e {E}{n,}}
+         \i Matches at least \e n occurrences of \e E.
+
+    \row \i \bold{\e {E}{,m}}
+         \i Matches at most \e m occurrences of \e E. \bold{\e {E}{,m}}
+         is the same as \bold{\e {E}{0,m}}.
+
+    \row \i \bold{\e {E}{n,m}}
+         \i Matches at least \e n and at most \e m occurrences of \e E.
+    \endtable
+
+    To apply a quantifier to more than just the preceding character,
+    use parentheses to group characters together in an expression. For
+    example, \bold{tag+} matches a 't' followed by an 'a' followed by
+    at least one 'g', whereas \bold{(tag)+} matches at least one
+    occurrence of 'tag'.
+
+    Note: Quantifiers are normally "greedy". They always match as much
+    text as they can. For example, \bold{0+} matches the first zero it
+    finds and all the consecutive zeros after the first zero. Applied
+    to '20005', it matches'2\underline{000}5'. Quantifiers can be made
+    non-greedy, see setMinimal().
+
+    \target capturing parentheses
+    \target backreferences
+    \section1 Capturing Text
+
+    Parentheses allow us to group elements together so that we can
+    quantify and capture them. For example if we have the expression
+    \bold{mail|letter|correspondence} that matches a string we know
+    that \e one of the words matched but not which one. Using
+    parentheses allows us to "capture" whatever is matched within
+    their bounds, so if we used \bold{(mail|letter|correspondence)}
+    and matched this regexp against the string "I sent you some email"
+    we can use the cap() or capturedTexts() functions to extract the
+    matched characters, in this case 'mail'.
+
+    We can use captured text within the regexp itself. To refer to the
+    captured text we use \e backreferences which are indexed from 1,
+    the same as for cap(). For example we could search for duplicate
+    words in a string using \bold{\\b(\\w+)\\W+\\1\\b} which means match a
+    word boundary followed by one or more word characters followed by
+    one or more non-word characters followed by the same text as the
+    first parenthesized expression followed by a word boundary.
+
+    If we want to use parentheses purely for grouping and not for
+    capturing we can use the non-capturing syntax, e.g.
+    \bold{(?:green|blue)}. Non-capturing parentheses begin '(?:' and
+    end ')'. In this example we match either 'green' or 'blue' but we
+    do not capture the match so we only know whether or not we matched
+    but not which color we actually found. Using non-capturing
+    parentheses is more efficient than using capturing parentheses
+    since the regexp engine has to do less book-keeping.
+
+    Both capturing and non-capturing parentheses may be nested.
+
+    \target greedy quantifiers
+
+    For historical reasons, quantifiers (e.g. \bold{*}) that apply to
+    capturing parentheses are more "greedy" than other quantifiers.
+    For example, \bold{a*(a)*} will match "aaa" with cap(1) == "aaa".
+    This behavior is different from what other regexp engines do
+    (notably, Perl). To obtain a more intuitive capturing behavior,
+    specify QRegExp::RegExp2 to the QRegExp constructor or call
+    setPatternSyntax(QRegExp::RegExp2).
+
+    \target cap_in_a_loop
+
+    When the number of matches cannot be determined in advance, a
+    common idiom is to use cap() in a loop. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 0
+
+    \target assertions
+    \section1 Assertions
+
+    Assertions make some statement about the text at the point where
+    they occur in the regexp but they do not match any characters. In
+    the following list \bold{\e {E}} stands for any expression.
+
+    \table
+    \row \i \bold{^}
+         \i The caret signifies the beginning of the string. If you
+         wish to match a literal \c{^} you must escape it by
+         writing \c{\\^}. For example, \bold{^#include} will only
+         match strings which \e begin with the characters '#include'.
+         (When the caret is the first character of a character set it
+         has a special meaning, see \link #sets-of-characters Sets of
+         Characters \endlink.)
+
+    \row \i \bold{$}
+         \i The dollar signifies the end of the string. For example
+         \bold{\\d\\s*$} will match strings which end with a digit
+         optionally followed by whitespace. If you wish to match a
+         literal \c{$} you must escape it by writing
+         \c{\\$}.
+
+    \row \i \bold{\\b}
+         \i A word boundary. For example the regexp
+         \bold{\\bOK\\b} means match immediately after a word
+         boundary (e.g. start of string or whitespace) the letter 'O'
+         then the letter 'K' immediately before another word boundary
+         (e.g. end of string or whitespace). But note that the
+         assertion does not actually match any whitespace so if we
+         write \bold{(\\bOK\\b)} and we have a match it will only
+         contain 'OK' even if the string is "It's \underline{OK} now".
+
+    \row \i \bold{\\B}
+         \i A non-word boundary. This assertion is true wherever
+         \bold{\\b} is false. For example if we searched for
+         \bold{\\Bon\\B} in "Left on" the match would fail (space
+         and end of string aren't non-word boundaries), but it would
+         match in "t\underline{on}ne".
+
+    \row \i \bold{(?=\e E)}
+         \i Positive lookahead. This assertion is true if the
+         expression matches at this point in the regexp. For example,
+         \bold{const(?=\\s+char)} matches 'const' whenever it is
+         followed by 'char', as in 'static \underline{const} char *'.
+         (Compare with \bold{const\\s+char}, which matches 'static
+         \underline{const char} *'.)
+
+    \row \i \bold{(?!\e E)}
+         \i Negative lookahead. This assertion is true if the
+         expression does not match at this point in the regexp. For
+         example, \bold{const(?!\\s+char)} matches 'const' \e except
+         when it is followed by 'char'.
+    \endtable
+
+    \keyword QRegExp wildcard matching
+    \section1 Wildcard Matching
+
+    Most command shells such as \e bash or \e cmd.exe support "file
+    globbing", the ability to identify a group of files by using
+    wildcards. The setPatternSyntax() function is used to switch
+    between regexp and wildcard mode. Wildcard matching is much
+    simpler than full regexps and has only four features:
+
+    \table
+    \row \i \bold{c}
+         \i Any character represents itself apart from those mentioned
+         below. Thus \bold{c} matches the character \e c.
+    \row \i \bold{?}
+         \i Matches any single character. It is the same as
+         \bold{.} in full regexps.
+    \row \i \bold{*}
+         \i Matches zero or more of any characters. It is the
+         same as \bold{.*} in full regexps.
+    \row \i \bold{[...]}
+         \i Sets of characters can be represented in square brackets,
+         similar to full regexps. Within the character class, like
+         outside, backslash has no special meaning.
+    \endtable
+
+    For example if we are in wildcard mode and have strings which
+    contain filenames we could identify HTML files with \bold{*.html}.
+    This will match zero or more characters followed by a dot followed
+    by 'h', 't', 'm' and 'l'.
+
+    To test a string against a wildcard expression, use exactMatch().
+    For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 1
+
+    \target perl-users
+    \section1 Notes for Perl Users
+
+    Most of the character class abbreviations supported by Perl are
+    supported by QRegExp, see \link
+    #characters-and-abbreviations-for-sets-of-characters characters
+    and abbreviations for sets of characters \endlink.
+
+    In QRegExp, apart from within character classes, \c{^} always
+    signifies the start of the string, so carets must always be
+    escaped unless used for that purpose. In Perl the meaning of caret
+    varies automagically depending on where it occurs so escaping it
+    is rarely necessary. The same applies to \c{$} which in
+    QRegExp always signifies the end of the string.
+
+    QRegExp's quantifiers are the same as Perl's greedy quantifiers
+    (but see the \l{greedy quantifiers}{note above}). Non-greedy
+    matching cannot be applied to individual quantifiers, but can be
+    applied to all the quantifiers in the pattern. For example, to
+    match the Perl regexp \bold{ro+?m} requires:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 2
+
+    The equivalent of Perl's \c{/i} option is
+    setCaseSensitivity(Qt::CaseInsensitive).
+
+    Perl's \c{/g} option can be emulated using a \l{#cap_in_a_loop}{loop}.
+
+    In QRegExp \bold{.} matches any character, therefore all QRegExp
+    regexps have the equivalent of Perl's \c{/s} option. QRegExp
+    does not have an equivalent to Perl's \c{/m} option, but this
+    can be emulated in various ways for example by splitting the input
+    into lines or by looping with a regexp that searches for newlines.
+
+    Because QRegExp is string oriented, there are no \\A, \\Z, or \\z
+    assertions. The \\G assertion is not supported but can be emulated
+    in a loop.
+
+    Perl's $& is cap(0) or capturedTexts()[0]. There are no QRegExp
+    equivalents for $`, $' or $+. Perl's capturing variables, $1, $2,
+    ... correspond to cap(1) or capturedTexts()[1], cap(2) or
+    capturedTexts()[2], etc.
+
+    To substitute a pattern use QString::replace().
+
+    Perl's extended \c{/x} syntax is not supported, nor are
+    directives, e.g. (?i), or regexp comments, e.g. (?#comment). On
+    the other hand, C++'s rules for literal strings can be used to
+    achieve the same:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 3
+
+    Both zero-width positive and zero-width negative lookahead
+    assertions (?=pattern) and (?!pattern) are supported with the same
+    syntax as Perl. Perl's lookbehind assertions, "independent"
+    subexpressions and conditional expressions are not supported.
+
+    Non-capturing parentheses are also supported, with the same
+    (?:pattern) syntax.
+
+    See QString::split() and QStringList::join() for equivalents
+    to Perl's split and join functions.
+
+    Note: because C++ transforms \\'s they must be written \e twice in
+    code, e.g. \bold{\\b} must be written \bold{\\\\b}.
+
+    \target code-examples
+    \section1 Code Examples
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 4
+
+    The third string matches '\underline{6}'. This is a simple validation
+    regexp for integers in the range 0 to 99.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 5
+
+    The second string matches '\underline{This_is-OK}'. We've used the
+    character set abbreviation '\\S' (non-whitespace) and the anchors
+    to match strings which contain no whitespace.
+
+    In the following example we match strings containing 'mail' or
+    'letter' or 'correspondence' but only match whole words i.e. not
+    'email'
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 6
+
+    The second string matches "Please write the \underline{letter}". The
+    word 'letter' is also captured (because of the parentheses). We
+    can see what text we've captured like this:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 7
+
+    This will capture the text from the first set of capturing
+    parentheses (counting capturing left parentheses from left to
+    right). The parentheses are counted from 1 since cap(0) is the
+    whole matched regexp (equivalent to '&' in most regexp engines).
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 8
+
+    Here we've passed the QRegExp to QString's replace() function to
+    replace the matched text with new text.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 9
+
+    We've used the indexIn() function to repeatedly match the regexp in
+    the string. Note that instead of moving forward by one character
+    at a time \c pos++ we could have written \c {pos +=
+    rx.matchedLength()} to skip over the already matched string. The
+    count will equal 3, matching 'One \underline{Eric} another
+    \underline{Eirik}, and an Ericsson. How many Eiriks, \underline{Eric}?'; it
+    doesn't match 'Ericsson' or 'Eiriks' because they are not bounded
+    by non-word boundaries.
+
+    One common use of regexps is to split lines of delimited data into
+    their component fields.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 10
+
+    In this example our input lines have the format company name, web
+    address and country. Unfortunately the regexp is rather long and
+    not very versatile -- the code will break if we add any more
+    fields. A simpler and better solution is to look for the
+    separator, '\\t' in this case, and take the surrounding text. The
+    QString::split() function can take a separator string or regexp
+    as an argument and split a string accordingly.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 11
+
+    Here field[0] is the company, field[1] the web address and so on.
+
+    To imitate the matching of a shell we can use wildcard mode.
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 12
+
+    Wildcard matching can be convenient because of its simplicity, but
+    any wildcard regexp can be defined using full regexps, e.g.
+    \bold{.*\.html$}. Notice that we can't match both \c .html and \c
+    .htm files with a wildcard unless we use \bold{*.htm*} which will
+    also match 'test.html.bak'. A full regexp gives us the precision
+    we need, \bold{.*\\.html?$}.
+
+    QRegExp can match case insensitively using setCaseSensitivity(),
+    and can use non-greedy matching, see setMinimal(). By
+    default QRegExp uses full regexps but this can be changed with
+    setWildcard(). Searching can be forward with indexIn() or backward
+    with lastIndexIn(). Captured text can be accessed using
+    capturedTexts() which returns a string list of all captured
+    strings, or using cap() which returns the captured string for the
+    given index. The pos() function takes a match index and returns
+    the position in the string where the match was made (or -1 if
+    there was no match).
+
+    \sa QString, QStringList, QRegExpValidator, QSortFilterProxyModel,
+        {tools/regexp}{Regular Expression Example}
+*/
+
+const int NumBadChars = 64;
+#define BadChar(ch) ((ch).unicode() % NumBadChars)
+
+const int NoOccurrence = INT_MAX;
+const int EmptyCapture = INT_MAX;
+const int InftyLen = INT_MAX;
+const int InftyRep = 1025;
+const int EOS = -1;
+
+static bool isWord(QChar ch)
+{
+    return ch.isLetterOrNumber() || ch.isMark() || ch == QLatin1Char('_');
+}
+
+/*
+  Merges two vectors of ints and puts the result into the first
+  one.
+*/
+static void mergeInto(QVector<int> *a, const QVector<int> &b)
+{
+    int asize = a->size();
+    int bsize = b.size();
+    if (asize == 0) {
+        *a = b;
+#ifndef QT_NO_REGEXP_OPTIM
+    } else if (bsize == 1 && a->at(asize - 1) < b.at(0)) {
+        a->resize(asize + 1);
+        (*a)[asize] = b.at(0);
+#endif
+    } else if (bsize >= 1) {
+        int csize = asize + bsize;
+        QVector<int> c(csize);
+        int i = 0, j = 0, k = 0;
+        while (i < asize) {
+            if (j < bsize) {
+                if (a->at(i) == b.at(j)) {
+                    ++i;
+                    --csize;
+                } else if (a->at(i) < b.at(j)) {
+                    c[k++] = a->at(i++);
+                } else {
+                    c[k++] = b.at(j++);
+                }
+            } else {
+                memcpy(c.data() + k, a->constData() + i, (asize - i) * sizeof(int));
+                break;
+            }
+        }
+        c.resize(csize);
+        if (j < bsize)
+            memcpy(c.data() + k, b.constData() + j, (bsize - j) * sizeof(int));
+        *a = c;
+    }
+}
+
+#ifndef QT_NO_REGEXP_WILDCARD
+/*
+  Translates a wildcard pattern to an equivalent regular expression
+  pattern (e.g., *.cpp to .*\.cpp).
+*/
+static QString wc2rx(const QString &wc_str)
+{
+    int wclen = wc_str.length();
+    QString rx;
+    int i = 0;
+    const QChar *wc = wc_str.unicode();
+    while (i < wclen) {
+        QChar c = wc[i++];
+        switch (c.unicode()) {
+        case '*':
+            rx += QLatin1String(".*");
+            break;
+        case '?':
+            rx += QLatin1Char('.');
+            break;
+        case '$':
+        case '(':
+        case ')':
+        case '+':
+        case '.':
+        case '\\':
+        case '^':
+        case '{':
+        case '|':
+        case '}':
+            rx += QLatin1Char('\\');
+            rx += c;
+            break;
+        case '[':
+            rx += c;
+            if (wc[i] == QLatin1Char('^'))
+                rx += wc[i++];
+            if (i < wclen) {
+                if (rx[i] == QLatin1Char(']'))
+                    rx += wc[i++];
+                while (i < wclen && wc[i] != QLatin1Char(']')) {
+                    if (wc[i] == QLatin1Char('\\'))
+                        rx += QLatin1Char('\\');
+                    rx += wc[i++];
+                }
+            }
+            break;
+        default:
+            rx += c;
+        }
+    }
+    return rx;
+}
+#endif
+
+static int caretIndex(int offset, QRegExp::CaretMode caretMode)
+{
+    if (caretMode == QRegExp::CaretAtZero) {
+        return 0;
+    } else if (caretMode == QRegExp::CaretAtOffset) {
+        return offset;
+    } else { // QRegExp::CaretWontMatch
+        return -1;
+    }
+}
+
+/*
+    The QRegExpEngineKey struct uniquely identifies an engine.
+*/
+struct QRegExpEngineKey
+{
+    QString pattern;
+    QRegExp::PatternSyntax patternSyntax;
+    Qt::CaseSensitivity cs;
+
+    inline QRegExpEngineKey(const QString &pattern, QRegExp::PatternSyntax patternSyntax,
+                            Qt::CaseSensitivity cs)
+        : pattern(pattern), patternSyntax(patternSyntax), cs(cs) {}
+
+    inline void clear() {
+        pattern.clear();
+        patternSyntax = QRegExp::RegExp;
+        cs = Qt::CaseSensitive;
+    }
+};
+
+bool operator==(const QRegExpEngineKey &key1, const QRegExpEngineKey &key2)
+{
+    return key1.pattern == key2.pattern && key1.patternSyntax == key2.patternSyntax
+           && key1.cs == key2.cs;
+}
+
+class QRegExpEngine;
+
+//Q_DECLARE_TYPEINFO(QVector<int>, Q_MOVABLE_TYPE);
+
+/*
+  This is the engine state during matching.
+*/
+struct QRegExpMatchState
+{
+    const QChar *in; // a pointer to the input string data
+    int pos; // the current position in the string
+    int caretPos;
+    int len; // the length of the input string
+    bool minimal; // minimal matching?
+    int *bigArray; // big array holding the data for the next pointers
+    int *inNextStack; // is state is nextStack?
+    int *curStack; // stack of current states
+    int *nextStack; // stack of next states
+    int *curCapBegin; // start of current states' captures
+    int *nextCapBegin; // start of next states' captures
+    int *curCapEnd; // end of current states' captures
+    int *nextCapEnd; // end of next states' captures
+    int *tempCapBegin; // start of temporary captures
+    int *tempCapEnd; // end of temporary captures
+    int *capBegin; // start of captures for a next state
+    int *capEnd; // end of captures for a next state
+    int *slideTab; // bump-along slide table for bad-character heuristic
+    int *captured; // what match() returned last
+    int slideTabSize; // size of slide table
+    int capturedSize;
+#ifndef QT_NO_REGEXP_BACKREF
+    QList<QVector<int> > sleeping; // list of back-reference sleepers
+#endif
+    int matchLen; // length of match
+    int oneTestMatchedLen; // length of partial match
+
+    const QRegExpEngine *eng;
+
+    inline QRegExpMatchState() : bigArray(0), captured(0) {}
+    inline ~QRegExpMatchState() { free(bigArray); }
+
+    void drain() { free(bigArray); bigArray = 0; captured = 0; } // to save memory
+    void prepareForMatch(QRegExpEngine *eng);
+    void match(const QChar *str, int len, int pos, bool minimal,
+        bool oneTest, int caretIndex);
+    bool matchHere();
+    bool testAnchor(int i, int a, const int *capBegin);
+};
+
+/*
+  The struct QRegExpAutomatonState represents one state in a modified NFA. The
+  input characters matched are stored in the state instead of on
+  the transitions, something possible for an automaton
+  constructed from a regular expression.
+*/
+struct QRegExpAutomatonState
+{
+#ifndef QT_NO_REGEXP_CAPTURE
+    int atom; // which atom does this state belong to?
+#endif
+    int match; // what does it match? (see CharClassBit and BackRefBit)
+    QVector<int> outs; // out-transitions
+    QMap<int, int> reenter; // atoms reentered when transiting out
+    QMap<int, int> anchors; // anchors met when transiting out
+
+    inline QRegExpAutomatonState() { }
+#ifndef QT_NO_REGEXP_CAPTURE
+    inline QRegExpAutomatonState(int a, int m)
+        : atom(a), match(m) { }
+#else
+    inline QRegExpAutomatonState(int m)
+        : match(m) { }
+#endif
+};
+
+Q_DECLARE_TYPEINFO(QRegExpAutomatonState, Q_MOVABLE_TYPE);
+
+/*
+  The struct QRegExpCharClassRange represents a range of characters (e.g.,
+  [0-9] denotes range 48 to 57).
+*/
+struct QRegExpCharClassRange
+{
+    ushort from; // 48
+    ushort len; // 10
+};
+
+Q_DECLARE_TYPEINFO(QRegExpCharClassRange, Q_PRIMITIVE_TYPE);
+
+#ifndef QT_NO_REGEXP_CAPTURE
+/*
+  The struct QRegExpAtom represents one node in the hierarchy of regular
+  expression atoms.
+*/
+struct QRegExpAtom
+{
+    enum { NoCapture = -1, OfficialCapture = -2, UnofficialCapture = -3 };
+
+    int parent; // index of parent in array of atoms
+    int capture; // index of capture, from 1 to ncap - 1
+};
+
+Q_DECLARE_TYPEINFO(QRegExpAtom, Q_PRIMITIVE_TYPE);
+#endif
+
+struct QRegExpLookahead;
+
+#ifndef QT_NO_REGEXP_ANCHOR_ALT
+/*
+  The struct QRegExpAnchorAlternation represents a pair of anchors with
+  OR semantics.
+*/
+struct QRegExpAnchorAlternation
+{
+    int a; // this anchor...
+    int b; // ...or this one
+};
+
+Q_DECLARE_TYPEINFO(QRegExpAnchorAlternation, Q_PRIMITIVE_TYPE);
+#endif
+
+#ifndef QT_NO_REGEXP_CCLASS
+/*
+  The class QRegExpCharClass represents a set of characters, such as can
+  be found in regular expressions (e.g., [a-z] denotes the set
+  {a, b, ..., z}).
+*/
+class QRegExpCharClass
+{
+public:
+    QRegExpCharClass();
+    inline QRegExpCharClass(const QRegExpCharClass &cc) { operator=(cc); }
+
+    QRegExpCharClass &operator=(const QRegExpCharClass &cc);
+
+    void clear();
+    bool negative() const { return n; }
+    void setNegative(bool negative);
+    void addCategories(int cats);
+    void addRange(ushort from, ushort to);
+    void addSingleton(ushort ch) { addRange(ch, ch); }
+
+    bool in(QChar ch) const;
+#ifndef QT_NO_REGEXP_OPTIM
+    const QVector<int> &firstOccurrence() const { return occ1; }
+#endif
+
+#if defined(QT_DEBUG)
+    void dump() const;
+#endif
+
+private:
+    int c; // character classes
+    QVector<QRegExpCharClassRange> r; // character ranges
+    bool n; // negative?
+#ifndef QT_NO_REGEXP_OPTIM
+    QVector<int> occ1; // first-occurrence array
+#endif
+};
+#else
+struct QRegExpCharClass
+{
+    int dummy;
+
+#ifndef QT_NO_REGEXP_OPTIM
+    QRegExpCharClass() { occ1.fill(0, NumBadChars); }
+
+    const QVector<int> &firstOccurrence() const { return occ1; }
+    QVector<int> occ1;
+#endif
+};
+#endif
+
+Q_DECLARE_TYPEINFO(QRegExpCharClass, Q_MOVABLE_TYPE);
+
+/*
+  The QRegExpEngine class encapsulates a modified nondeterministic
+  finite automaton (NFA).
+*/
+class QRegExpEngine
+{
+public:
+    QRegExpEngine(Qt::CaseSensitivity cs, bool greedyQuantifiers)
+        : cs(cs), greedyQuantifiers(greedyQuantifiers) { setup(); }
+
+    QRegExpEngine(const QRegExpEngineKey &key);
+    ~QRegExpEngine();
+
+    bool isValid() const { return valid; }
+    const QString &errorString() const { return yyError; }
+    int numCaptures() const { return officialncap; }
+
+    int createState(QChar ch);
+    int createState(const QRegExpCharClass &cc);
+#ifndef QT_NO_REGEXP_BACKREF
+    int createState(int bref);
+#endif
+
+    void addCatTransitions(const QVector<int> &from, const QVector<int> &to);
+#ifndef QT_NO_REGEXP_CAPTURE
+    void addPlusTransitions(const QVector<int> &from, const QVector<int> &to, int atom);
+#endif
+
+#ifndef QT_NO_REGEXP_ANCHOR_ALT
+    int anchorAlternation(int a, int b);
+    int anchorConcatenation(int a, int b);
+#else
+    int anchorAlternation(int a, int b) { return a & b; }
+    int anchorConcatenation(int a, int b) { return a | b; }
+#endif
+    void addAnchors(int from, int to, int a);
+
+#ifndef QT_NO_REGEXP_OPTIM
+    void heuristicallyChooseHeuristic();
+#endif
+
+#if defined(QT_DEBUG)
+    void dump() const;
+#endif
+
+    QAtomicInt ref;
+
+private:
+    enum { CharClassBit = 0x10000, BackRefBit = 0x20000 };
+    enum { InitialState = 0, FinalState = 1 };
+
+    void setup();
+    int setupState(int match);
+
+    /*
+      Let's hope that 13 lookaheads and 14 back-references are
+      enough.
+     */
+    enum { MaxLookaheads = 13, MaxBackRefs = 14 };
+    enum { Anchor_Dollar = 0x00000001, Anchor_Caret = 0x00000002, Anchor_Word = 0x00000004,
+           Anchor_NonWord = 0x00000008, Anchor_FirstLookahead = 0x00000010,
+           Anchor_BackRef1Empty = Anchor_FirstLookahead << MaxLookaheads,
+           Anchor_BackRef0Empty = Anchor_BackRef1Empty >> 1,
+           Anchor_Alternation = unsigned(Anchor_BackRef1Empty) << MaxBackRefs,
+
+           Anchor_LookaheadMask = (Anchor_FirstLookahead - 1) ^
+                   ((Anchor_FirstLookahead << MaxLookaheads) - 1) };
+#ifndef QT_NO_REGEXP_CAPTURE
+    int startAtom(bool officialCapture);
+    void finishAtom(int atom, bool needCapture);
+#endif
+
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+    int addLookahead(QRegExpEngine *eng, bool negative);
+#endif
+
+#ifndef QT_NO_REGEXP_OPTIM
+    bool goodStringMatch(QRegExpMatchState &matchState) const;
+    bool badCharMatch(QRegExpMatchState &matchState) const;
+#else
+    bool bruteMatch(QRegExpMatchState &matchState) const;
+#endif
+
+    QVector<QRegExpAutomatonState> s; // array of states
+#ifndef QT_NO_REGEXP_CAPTURE
+    QVector<QRegExpAtom> f; // atom hierarchy
+    int nf; // number of atoms
+    int cf; // current atom
+    QVector<int> captureForOfficialCapture;
+#endif
+    int officialncap; // number of captures, seen from the outside
+    int ncap; // number of captures, seen from the inside
+#ifndef QT_NO_REGEXP_CCLASS
+    QVector<QRegExpCharClass> cl; // array of character classes
+#endif
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+    QVector<QRegExpLookahead *> ahead; // array of lookaheads
+#endif
+#ifndef QT_NO_REGEXP_ANCHOR_ALT
+    QVector<QRegExpAnchorAlternation> aa; // array of (a, b) pairs of anchors
+#endif
+#ifndef QT_NO_REGEXP_OPTIM
+    bool caretAnchored; // does the regexp start with ^?
+    bool trivial; // is the good-string all that needs to match?
+#endif
+    bool valid; // is the regular expression valid?
+    Qt::CaseSensitivity cs; // case sensitive?
+    bool greedyQuantifiers; // RegExp2?
+#ifndef QT_NO_REGEXP_BACKREF
+    int nbrefs; // number of back-references
+#endif
+
+#ifndef QT_NO_REGEXP_OPTIM
+    bool useGoodStringHeuristic; // use goodStringMatch? otherwise badCharMatch
+
+    int goodEarlyStart; // the index where goodStr can first occur in a match
+    int goodLateStart; // the index where goodStr can last occur in a match
+    QString goodStr; // the string that any match has to contain
+
+    int minl; // the minimum length of a match
+    QVector<int> occ1; // first-occurrence array
+#endif
+
+    /*
+      The class Box is an abstraction for a regular expression
+      fragment. It can also be seen as one node in the syntax tree of
+      a regular expression with synthetized attributes.
+
+      Its interface is ugly for performance reasons.
+    */
+    class Box
+    {
+    public:
+        Box(QRegExpEngine *engine);
+        Box(const Box &b) { operator=(b); }
+
+        Box &operator=(const Box &b);
+
+        void clear() { operator=(Box(eng)); }
+        void set(QChar ch);
+        void set(const QRegExpCharClass &cc);
+#ifndef QT_NO_REGEXP_BACKREF
+        void set(int bref);
+#endif
+
+        void cat(const Box &b);
+        void orx(const Box &b);
+        void plus(int atom);
+        void opt();
+        void catAnchor(int a);
+#ifndef QT_NO_REGEXP_OPTIM
+        void setupHeuristics();
+#endif
+
+#if defined(QT_DEBUG)
+        void dump() const;
+#endif
+
+    private:
+        void addAnchorsToEngine(const Box &to) const;
+
+        QRegExpEngine *eng; // the automaton under construction
+        QVector<int> ls; // the left states (firstpos)
+        QVector<int> rs; // the right states (lastpos)
+        QMap<int, int> lanchors; // the left anchors
+        QMap<int, int> ranchors; // the right anchors
+        int skipanchors; // the anchors to match if the box is skipped
+
+#ifndef QT_NO_REGEXP_OPTIM
+        int earlyStart; // the index where str can first occur
+        int lateStart; // the index where str can last occur
+        QString str; // a string that has to occur in any match
+        QString leftStr; // a string occurring at the left of this box
+        QString rightStr; // a string occurring at the right of this box
+        int maxl; // the maximum length of this box (possibly InftyLen)
+#endif
+
+        int minl; // the minimum length of this box
+#ifndef QT_NO_REGEXP_OPTIM
+        QVector<int> occ1; // first-occurrence array
+#endif
+    };
+
+    friend class Box;
+
+    /*
+      This is the lexical analyzer for regular expressions.
+    */
+    enum { Tok_Eos, Tok_Dollar, Tok_LeftParen, Tok_MagicLeftParen, Tok_PosLookahead,
+           Tok_NegLookahead, Tok_RightParen, Tok_CharClass, Tok_Caret, Tok_Quantifier, Tok_Bar,
+           Tok_Word, Tok_NonWord, Tok_Char = 0x10000, Tok_BackRef = 0x20000 };
+    int getChar();
+    int getEscape();
+#ifndef QT_NO_REGEXP_INTERVAL
+    int getRep(int def);
+#endif
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+    void skipChars(int n);
+#endif
+    void error(const char *msg);
+    void startTokenizer(const QChar *rx, int len);
+    int getToken();
+
+    const QChar *yyIn; // a pointer to the input regular expression pattern
+    int yyPos0; // the position of yyTok in the input pattern
+    int yyPos; // the position of the next character to read
+    int yyLen; // the length of yyIn
+    int yyCh; // the last character read
+    QRegExpCharClass *yyCharClass; // attribute for Tok_CharClass tokens
+    int yyMinRep; // attribute for Tok_Quantifier
+    int yyMaxRep; // ditto
+    QString yyError; // syntax error or overflow during parsing?
+
+    /*
+      This is the syntactic analyzer for regular expressions.
+    */
+    int parse(const QChar *rx, int len);
+    void parseAtom(Box *box);
+    void parseFactor(Box *box);
+    void parseTerm(Box *box);
+    void parseExpression(Box *box);
+
+    int yyTok; // the last token read
+    bool yyMayCapture; // set this to false to disable capturing
+
+    friend struct QRegExpMatchState;
+};
+
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+/*
+  The struct QRegExpLookahead represents a lookahead a la Perl (e.g.,
+  (?=foo) and (?!bar)).
+*/
+struct QRegExpLookahead
+{
+    QRegExpEngine *eng; // NFA representing the embedded regular expression
+    bool neg; // negative lookahead?
+
+    inline QRegExpLookahead(QRegExpEngine *eng0, bool neg0)
+        : eng(eng0), neg(neg0) { }
+    inline ~QRegExpLookahead() { delete eng; }
+};
+#endif
+
+QRegExpEngine::QRegExpEngine(const QRegExpEngineKey &key)
+    : cs(key.cs), greedyQuantifiers(key.patternSyntax == QRegExp::RegExp2)
+{
+    setup();
+
+    QString rx;
+
+    switch (key.patternSyntax) {
+    case QRegExp::Wildcard:
+#ifndef QT_NO_REGEXP_WILDCARD
+        rx = wc2rx(key.pattern);
+#endif
+        break;
+    case QRegExp::FixedString:
+        rx = QRegExp::escape(key.pattern);
+        break;
+    default:
+        rx = key.pattern;
+    }
+
+    valid = (parse(rx.unicode(), rx.length()) == rx.length());
+    if (!valid) {
+#ifndef QT_NO_REGEXP_OPTIM
+        trivial = false;
+#endif
+        error(RXERR_LEFTDELIM);
+    }
+}
+
+QRegExpEngine::~QRegExpEngine()
+{
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+    qDeleteAll(ahead);
+#endif
+}
+
+void QRegExpMatchState::prepareForMatch(QRegExpEngine *eng)
+{
+    /*
+      We use one QVector<int> for all the big data used a lot in
+      matchHere() and friends.
+    */
+    int ns = eng->s.size(); // number of states
+    int ncap = eng->ncap;
+#ifndef QT_NO_REGEXP_OPTIM
+    slideTabSize = qMax(eng->minl + 1, 16);
+#else
+    slideTabSize = 0;
+#endif
+    int numCaptures = eng->numCaptures();
+    capturedSize = 2 + 2 * numCaptures;
+    bigArray = (int *)realloc(bigArray, ((3 + 4 * ncap) * ns + 4 * ncap + slideTabSize + capturedSize)*sizeof(int));
+
+    inNextStack = bigArray;
+    memset(inNextStack, -1, ns * sizeof(int));
+    curStack = inNextStack + ns;
+    nextStack = inNextStack + 2 * ns;
+
+    curCapBegin = inNextStack + 3 * ns;
+    nextCapBegin = curCapBegin + ncap * ns;
+    curCapEnd = curCapBegin + 2 * ncap * ns;
+    nextCapEnd = curCapBegin + 3 * ncap * ns;
+
+    tempCapBegin = curCapBegin + 4 * ncap * ns;
+    tempCapEnd = tempCapBegin + ncap;
+    capBegin = tempCapBegin + 2 * ncap;
+    capEnd = tempCapBegin + 3 * ncap;
+
+    slideTab = tempCapBegin + 4 * ncap;
+    captured = slideTab + slideTabSize;
+    memset(captured, -1, capturedSize*sizeof(int));
+    this->eng = eng;
+}
+
+/*
+  Tries to match in str and returns an array of (begin, length) pairs
+  for captured text. If there is no match, all pairs are (-1, -1).
+*/
+void QRegExpMatchState::match(const QChar *str0, int len0, int pos0,
+    bool minimal0, bool oneTest, int caretIndex)
+{
+    bool matched = false;
+    QChar char_null;
+
+#ifndef QT_NO_REGEXP_OPTIM
+    if (eng->trivial && !oneTest) {
+        pos = qFindString(str0, len0, pos0, eng->goodStr.unicode(), eng->goodStr.length(), eng->cs);
+        matchLen = eng->goodStr.length();
+        matched = (pos != -1);
+    } else
+#endif
+    {
+        in = str0;
+        if (in == 0)
+            in = &char_null;
+        pos = pos0;
+        caretPos = caretIndex;
+        len = len0;
+        minimal = minimal0;
+        matchLen = 0;
+        oneTestMatchedLen = 0;
+
+        if (eng->valid && pos >= 0 && pos <= len) {
+#ifndef QT_NO_REGEXP_OPTIM
+            if (oneTest) {
+                matched = matchHere();
+            } else {
+                if (pos <= len - eng->minl) {
+                    if (eng->caretAnchored) {
+                        matched = matchHere();
+                    } else if (eng->useGoodStringHeuristic) {
+                        matched = eng->goodStringMatch(*this);
+                    } else {
+                        matched = eng->badCharMatch(*this);
+                    }
+                }
+            }
+#else
+            matched = oneTest ? matchHere() : eng->bruteMatch(*this);
+#endif
+        }
+    }
+
+    if (matched) {
+        int *c = captured;
+        *c++ = pos;
+        *c++ = matchLen;
+
+        int numCaptures = (capturedSize - 2) >> 1;
+#ifndef QT_NO_REGEXP_CAPTURE
+        for (int i = 0; i < numCaptures; ++i) {
+            int j = eng->captureForOfficialCapture.at(i);
+            int len = capEnd[j] - capBegin[j];
+            *c++ = (len > 0) ? pos + capBegin[j] : 0;
+            *c++ = len;
+        }
+#endif
+    } else {
+        // we rely on 2's complement here
+        memset(captured, -1, capturedSize * sizeof(int));
+    }
+}
+
+/*
+  The three following functions add one state to the automaton and
+  return the number of the state.
+*/
+
+int QRegExpEngine::createState(QChar ch)
+{
+    return setupState(ch.unicode());
+}
+
+int QRegExpEngine::createState(const QRegExpCharClass &cc)
+{
+#ifndef QT_NO_REGEXP_CCLASS
+    int n = cl.size();
+    cl += QRegExpCharClass(cc);
+    return setupState(CharClassBit | n);
+#else
+    Q_UNUSED(cc);
+    return setupState(CharClassBit);
+#endif
+}
+
+#ifndef QT_NO_REGEXP_BACKREF
+int QRegExpEngine::createState(int bref)
+{
+    if (bref > nbrefs) {
+        nbrefs = bref;
+        if (nbrefs > MaxBackRefs) {
+            error(RXERR_LIMIT);
+            return 0;
+        }
+    }
+    return setupState(BackRefBit | bref);
+}
+#endif
+
+/*
+  The two following functions add a transition between all pairs of
+  states (i, j) where i is found in from, and j is found in to.
+
+  Cat-transitions are distinguished from plus-transitions for
+  capturing.
+*/
+
+void QRegExpEngine::addCatTransitions(const QVector<int> &from, const QVector<int> &to)
+{
+    for (int i = 0; i < from.size(); i++)
+        mergeInto(&s[from.at(i)].outs, to);
+}
+
+#ifndef QT_NO_REGEXP_CAPTURE
+void QRegExpEngine::addPlusTransitions(const QVector<int> &from, const QVector<int> &to, int atom)
+{
+    for (int i = 0; i < from.size(); i++) {
+        QRegExpAutomatonState &st = s[from.at(i)];
+        const QVector<int> oldOuts = st.outs;
+        mergeInto(&st.outs, to);
+        if (f.at(atom).capture != QRegExpAtom::NoCapture) {
+            for (int j = 0; j < to.size(); j++) {
+                // ### st.reenter.contains(to.at(j)) check looks suspicious
+                if (!st.reenter.contains(to.at(j)) &&
+                     qBinaryFind(oldOuts.constBegin(), oldOuts.constEnd(), to.at(j)) == oldOuts.end())
+                    st.reenter.insert(to.at(j), atom);
+            }
+        }
+    }
+}
+#endif
+
+#ifndef QT_NO_REGEXP_ANCHOR_ALT
+/*
+  Returns an anchor that means a OR b.
+*/
+int QRegExpEngine::anchorAlternation(int a, int b)
+{
+    if (((a & b) == a || (a & b) == b) && ((a | b) & Anchor_Alternation) == 0)
+        return a & b;
+
+    int n = aa.size();
+#ifndef QT_NO_REGEXP_OPTIM
+    if (n > 0 && aa.at(n - 1).a == a && aa.at(n - 1).b == b)
+        return Anchor_Alternation | (n - 1);
+#endif
+
+    aa.resize(n + 1);
+    aa[n].a = a;
+    aa[n].b = b;
+    return Anchor_Alternation | n;
+}
+
+/*
+  Returns an anchor that means a AND b.
+*/
+int QRegExpEngine::anchorConcatenation(int a, int b)
+{
+    if (((a | b) & Anchor_Alternation) == 0)
+        return a | b;
+    if ((b & Anchor_Alternation) != 0)
+        qSwap(a, b);
+
+    int aprime = anchorConcatenation(aa.at(a ^ Anchor_Alternation).a, b);
+    int bprime = anchorConcatenation(aa.at(a ^ Anchor_Alternation).b, b);
+    return anchorAlternation(aprime, bprime);
+}
+#endif
+
+/*
+  Adds anchor a on a transition caracterised by its from state and
+  its to state.
+*/
+void QRegExpEngine::addAnchors(int from, int to, int a)
+{
+    QRegExpAutomatonState &st = s[from];
+    if (st.anchors.contains(to))
+        a = anchorAlternation(st.anchors.value(to), a);
+    st.anchors.insert(to, a);
+}
+
+#ifndef QT_NO_REGEXP_OPTIM
+/*
+  This function chooses between the good-string and the bad-character
+  heuristics. It computes two scores and chooses the heuristic with
+  the highest score.
+
+  Here are some common-sense constraints on the scores that should be
+  respected if the formulas are ever modified: (1) If goodStr is
+  empty, the good-string heuristic scores 0. (2) If the regular
+  expression is trivial, the good-string heuristic should be used.
+  (3) If the search is case insensitive, the good-string heuristic
+  should be used, unless it scores 0. (Case insensitivity turns all
+  entries of occ1 to 0.) (4) If (goodLateStart - goodEarlyStart) is
+  big, the good-string heuristic should score less.
+*/
+void QRegExpEngine::heuristicallyChooseHeuristic()
+{
+    if (minl == 0) {
+        useGoodStringHeuristic = false;
+    } else if (trivial) {
+        useGoodStringHeuristic = true;
+    } else {
+        /*
+          Magic formula: The good string has to constitute a good
+          proportion of the minimum-length string, and appear at a
+          more-or-less known index.
+        */
+        int goodStringScore = (64 * goodStr.length() / minl) -
+                              (goodLateStart - goodEarlyStart);
+        /*
+          Less magic formula: We pick some characters at random, and
+          check whether they are good or bad.
+        */
+        int badCharScore = 0;
+        int step = qMax(1, NumBadChars / 32);
+        for (int i = 1; i < NumBadChars; i += step) {
+            if (occ1.at(i) == NoOccurrence)
+                badCharScore += minl;
+            else
+                badCharScore += occ1.at(i);
+        }
+        badCharScore /= minl;
+        useGoodStringHeuristic = (goodStringScore > badCharScore);
+    }
+}
+#endif
+
+#if defined(QT_DEBUG)
+void QRegExpEngine::dump() const
+{
+    int i, j;
+    qDebug("Case %ssensitive engine", cs ? "" : "in");
+    qDebug("  States");
+    for (i = 0; i < s.size(); i++) {
+        qDebug("  %d%s", i, i == InitialState ? " (initial)" : i == FinalState ? " (final)" : "");
+#ifndef QT_NO_REGEXP_CAPTURE
+        if (nf > 0)
+            qDebug("    in atom %d", s[i].atom);
+#endif
+        int m = s[i].match;
+        if ((m & CharClassBit) != 0) {
+            qDebug("    match character class %d", m ^ CharClassBit);
+#ifndef QT_NO_REGEXP_CCLASS
+            cl[m ^ CharClassBit].dump();
+#else
+            qDebug("    negative character class");
+#endif
+        } else if ((m & BackRefBit) != 0) {
+            qDebug("    match back-reference %d", m ^ BackRefBit);
+        } else if (m >= 0x20 && m <= 0x7e) {
+            qDebug("    match 0x%.4x (%c)", m, m);
+        } else {
+            qDebug("    match 0x%.4x", m);
+        }
+        for (j = 0; j < s[i].outs.size(); j++) {
+            int next = s[i].outs[j];
+            qDebug("    -> %d", next);
+            if (s[i].reenter.contains(next))
+                qDebug("       [reenter %d]", s[i].reenter[next]);
+            if (s[i].anchors.value(next) != 0)
+                qDebug("       [anchors 0x%.8x]", s[i].anchors[next]);
+        }
+    }
+#ifndef QT_NO_REGEXP_CAPTURE
+    if (nf > 0) {
+        qDebug("  Atom    Parent  Capture");
+        for (i = 0; i < nf; i++) {
+            if (f[i].capture == QRegExpAtom::NoCapture) {
+                qDebug("  %6d  %6d     nil", i, f[i].parent);
+            } else {
+                int cap = f[i].capture;
+                bool official = captureForOfficialCapture.contains(cap);
+                qDebug("  %6d  %6d  %6d  %s", i, f[i].parent, f[i].capture,
+                       official ? "official" : "");
+            }
+        }
+    }
+#endif
+#ifndef QT_NO_REGEXP_ANCHOR_ALT
+    for (i = 0; i < aa.size(); i++)
+        qDebug("  Anchor alternation 0x%.8x: 0x%.8x 0x%.9x", i, aa[i].a, aa[i].b);
+#endif
+}
+#endif
+
+void QRegExpEngine::setup()
+{
+    ref = 1;
+#ifndef QT_NO_REGEXP_CAPTURE
+    f.resize(32);
+    nf = 0;
+    cf = -1;
+#endif
+    officialncap = 0;
+    ncap = 0;
+#ifndef QT_NO_REGEXP_OPTIM
+    caretAnchored = true;
+    trivial = true;
+#endif
+    valid = false;
+#ifndef QT_NO_REGEXP_BACKREF
+    nbrefs = 0;
+#endif
+#ifndef QT_NO_REGEXP_OPTIM
+    useGoodStringHeuristic = true;
+    minl = 0;
+    occ1.fill(0, NumBadChars);
+#endif
+}
+
+int QRegExpEngine::setupState(int match)
+{
+#ifndef QT_NO_REGEXP_CAPTURE
+    s += QRegExpAutomatonState(cf, match);
+#else
+    s += QRegExpAutomatonState(match);
+#endif
+    return s.size() - 1;
+}
+
+#ifndef QT_NO_REGEXP_CAPTURE
+/*
+  Functions startAtom() and finishAtom() should be called to delimit
+  atoms. When a state is created, it is assigned to the current atom.
+  The information is later used for capturing.
+*/
+int QRegExpEngine::startAtom(bool officialCapture)
+{
+    if ((nf & (nf + 1)) == 0 && nf + 1 >= f.size())
+        f.resize((nf + 1) << 1);
+    f[nf].parent = cf;
+    cf = nf++;
+    f[cf].capture = officialCapture ? QRegExpAtom::OfficialCapture : QRegExpAtom::NoCapture;
+    return cf;
+}
+
+void QRegExpEngine::finishAtom(int atom, bool needCapture)
+{
+    if (greedyQuantifiers && needCapture && f[atom].capture == QRegExpAtom::NoCapture)
+        f[atom].capture = QRegExpAtom::UnofficialCapture;
+    cf = f.at(atom).parent;
+}
+#endif
+
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+/*
+  Creates a lookahead anchor.
+*/
+int QRegExpEngine::addLookahead(QRegExpEngine *eng, bool negative)
+{
+    int n = ahead.size();
+    if (n == MaxLookaheads) {
+        error(RXERR_LIMIT);
+        return 0;
+    }
+    ahead += new QRegExpLookahead(eng, negative);
+    return Anchor_FirstLookahead << n;
+}
+#endif
+
+#ifndef QT_NO_REGEXP_CAPTURE
+/*
+  We want the longest leftmost captures.
+*/
+static bool isBetterCapture(int ncap, const int *begin1, const int *end1, const int *begin2,
+                            const int *end2)
+{
+    for (int i = 0; i < ncap; i++) {
+        int delta = begin2[i] - begin1[i]; // it has to start early...
+        if (delta == 0)
+            delta = end1[i] - end2[i]; // ...and end late
+
+        if (delta != 0)
+            return delta > 0;
+    }
+    return false;
+}
+#endif
+
+/*
+  Returns true if anchor a matches at position pos + i in the input
+  string, otherwise false.
+*/
+bool QRegExpMatchState::testAnchor(int i, int a, const int *capBegin)
+{
+    int j;
+
+#ifndef QT_NO_REGEXP_ANCHOR_ALT
+    if ((a & QRegExpEngine::Anchor_Alternation) != 0)
+        return testAnchor(i, eng->aa.at(a ^ QRegExpEngine::Anchor_Alternation).a, capBegin)
+               || testAnchor(i, eng->aa.at(a ^ QRegExpEngine::Anchor_Alternation).b, capBegin);
+#endif
+
+    if ((a & QRegExpEngine::Anchor_Caret) != 0) {
+        if (pos + i != caretPos)
+            return false;
+    }
+    if ((a & QRegExpEngine::Anchor_Dollar) != 0) {
+        if (pos + i != len)
+            return false;
+    }
+#ifndef QT_NO_REGEXP_ESCAPE
+    if ((a & (QRegExpEngine::Anchor_Word | QRegExpEngine::Anchor_NonWord)) != 0) {
+        bool before = false;
+        bool after = false;
+        if (pos + i != 0)
+            before = isWord(in[pos + i - 1]);
+        if (pos + i != len)
+            after = isWord(in[pos + i]);
+        if ((a & QRegExpEngine::Anchor_Word) != 0 && (before == after))
+            return false;
+        if ((a & QRegExpEngine::Anchor_NonWord) != 0 && (before != after))
+            return false;
+    }
+#endif
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+    if ((a & QRegExpEngine::Anchor_LookaheadMask) != 0) {
+        const QVector<QRegExpLookahead *> &ahead = eng->ahead;
+        for (j = 0; j < ahead.size(); j++) {
+            if ((a & (QRegExpEngine::Anchor_FirstLookahead << j)) != 0) {
+                QRegExpMatchState matchState;
+                matchState.prepareForMatch(ahead[j]->eng);
+                matchState.match(in + pos + i, len - pos - i, 0,
+                    true, true, matchState.caretPos - matchState.pos - i);
+                if ((matchState.captured[0] == 0) == ahead[j]->neg)
+                    return false;
+            }
+        }
+    }
+#endif
+#ifndef QT_NO_REGEXP_CAPTURE
+#ifndef QT_NO_REGEXP_BACKREF
+    for (j = 0; j < eng->nbrefs; j++) {
+        if ((a & (QRegExpEngine::Anchor_BackRef1Empty << j)) != 0) {
+            int i = eng->captureForOfficialCapture.at(j);
+            if (capBegin[i] != EmptyCapture)
+                return false;
+        }
+    }
+#endif
+#endif
+    return true;
+}
+
+#ifndef QT_NO_REGEXP_OPTIM
+/*
+  The three following functions are what Jeffrey Friedl would call
+  transmissions (or bump-alongs). Using one or the other should make
+  no difference except in performance.
+*/
+
+bool QRegExpEngine::goodStringMatch(QRegExpMatchState &matchState) const
+{
+    int k = matchState.pos + goodEarlyStart;
+    QStringMatcher matcher(goodStr.unicode(), goodStr.length(), cs);
+    while ((k = matcher.indexIn(matchState.in, matchState.len, k)) != -1) {
+        int from = k - goodLateStart;
+        int to = k - goodEarlyStart;
+        if (from > matchState.pos)
+            matchState.pos = from;
+
+        while (matchState.pos <= to) {
+            if (matchState.matchHere())
+                return true;
+            ++matchState.pos;
+        }
+        ++k;
+    }
+    return false;
+}
+
+bool QRegExpEngine::badCharMatch(QRegExpMatchState &matchState) const
+{
+    int slideHead = 0;
+    int slideNext = 0;
+    int i;
+    int lastPos = matchState.len - minl;
+    memset(matchState.slideTab, 0, matchState.slideTabSize * sizeof(int));
+
+    /*
+      Set up the slide table, used for the bad-character heuristic,
+      using the table of first occurrence of each character.
+    */
+    for (i = 0; i < minl; i++) {
+        int sk = occ1[BadChar(matchState.in[matchState.pos + i])];
+        if (sk == NoOccurrence)
+            sk = i + 1;
+        if (sk > 0) {
+            int k = i + 1 - sk;
+            if (k < 0) {
+                sk = i + 1;
+                k = 0;
+            }
+            if (sk > matchState.slideTab[k])
+                matchState.slideTab[k] = sk;
+        }
+    }
+
+    if (matchState.pos > lastPos)
+        return false;
+
+    for (;;) {
+        if (++slideNext >= matchState.slideTabSize)
+            slideNext = 0;
+        if (matchState.slideTab[slideHead] > 0) {
+            if (matchState.slideTab[slideHead] - 1 > matchState.slideTab[slideNext])
+                matchState.slideTab[slideNext] = matchState.slideTab[slideHead] - 1;
+            matchState.slideTab[slideHead] = 0;
+        } else {
+            if (matchState.matchHere())
+                return true;
+        }
+
+        if (matchState.pos == lastPos)
+            break;
+
+        /*
+          Update the slide table. This code has much in common with
+          the initialization code.
+        */
+        int sk = occ1[BadChar(matchState.in[matchState.pos + minl])];
+        if (sk == NoOccurrence) {
+            matchState.slideTab[slideNext] = minl;
+        } else if (sk > 0) {
+            int k = slideNext + minl - sk;
+            if (k >= matchState.slideTabSize)
+                k -= matchState.slideTabSize;
+            if (sk > matchState.slideTab[k])
+                matchState.slideTab[k] = sk;
+        }
+        slideHead = slideNext;
+        ++matchState.pos;
+    }
+    return false;
+}
+#else
+bool QRegExpEngine::bruteMatch(QRegExpMatchState &matchState) const
+{
+    while (matchState.pos <= matchState.len) {
+        if (matchState.matchHere())
+            return true;
+        ++matchState.pos;
+    }
+    return false;
+}
+#endif
+
+/*
+  Here's the core of the engine. It tries to do a match here and now.
+*/
+bool QRegExpMatchState::matchHere()
+{
+    int ncur = 1, nnext = 0;
+    int i = 0, j, k, m;
+    bool stop = false;
+
+    matchLen = -1;
+    oneTestMatchedLen = -1;
+    curStack[0] = QRegExpEngine::InitialState;
+
+    int ncap = eng->ncap;
+#ifndef QT_NO_REGEXP_CAPTURE
+    if (ncap > 0) {
+        for (j = 0; j < ncap; j++) {
+            curCapBegin[j] = EmptyCapture;
+            curCapEnd[j] = EmptyCapture;
+        }
+    }
+#endif
+
+#ifndef QT_NO_REGEXP_BACKREF
+    while ((ncur > 0 || !sleeping.isEmpty()) && i <= len - pos && !stop)
+#else
+    while (ncur > 0 && i <= len - pos && !stop)
+#endif
+    {
+        int ch = (i < len - pos) ? in[pos + i].unicode() : 0;
+        for (j = 0; j < ncur; j++) {
+            int cur = curStack[j];
+            const QRegExpAutomatonState &scur = eng->s.at(cur);
+            const QVector<int> &outs = scur.outs;
+            for (k = 0; k < outs.size(); k++) {
+                int next = outs.at(k);
+                const QRegExpAutomatonState &snext = eng->s.at(next);
+                bool inside = true;
+#if !defined(QT_NO_REGEXP_BACKREF) && !defined(QT_NO_REGEXP_CAPTURE)
+                int needSomeSleep = 0;
+#endif
+
+                /*
+                  First, check if the anchors are anchored properly.
+                */
+                int a = scur.anchors.value(next);
+                if (a != 0 && !testAnchor(i, a, curCapBegin + j * ncap))
+                    inside = false;
+
+                /*
+                  If indeed they are, check if the input character is
+                  correct for this transition.
+                */
+                if (inside) {
+                    m = snext.match;
+                    if ((m & (QRegExpEngine::CharClassBit | QRegExpEngine::BackRefBit)) == 0) {
+                        if (eng->cs)
+                            inside = (m == ch);
+                        else
+                            inside = (QChar(m).toLower() == QChar(ch).toLower());
+                    } else if (next == QRegExpEngine::FinalState) {
+                        matchLen = i;
+                        stop = minimal;
+                        inside = true;
+                    } else if ((m & QRegExpEngine::CharClassBit) != 0) {
+#ifndef QT_NO_REGEXP_CCLASS
+                        const QRegExpCharClass &cc = eng->cl.at(m ^ QRegExpEngine::CharClassBit);
+                        if (eng->cs)
+                            inside = cc.in(ch);
+                        else if (cc.negative())
+                            inside = cc.in(QChar(ch).toLower()) &&
+                                     cc.in(QChar(ch).toUpper());
+                        else
+                            inside = cc.in(QChar(ch).toLower()) ||
+                                     cc.in(QChar(ch).toUpper());
+#endif
+#if !defined(QT_NO_REGEXP_BACKREF) && !defined(QT_NO_REGEXP_CAPTURE)
+                    } else { /* ((m & QRegExpEngine::BackRefBit) != 0) */
+                        int bref = m ^ QRegExpEngine::BackRefBit;
+                        int ell = j * ncap + eng->captureForOfficialCapture.at(bref - 1);
+
+                        inside = bref <= ncap && curCapBegin[ell] != EmptyCapture;
+                        if (inside) {
+                            if (eng->cs)
+                                inside = (in[pos + curCapBegin[ell]] == QChar(ch));
+                            else
+                                inside = (in[pos + curCapBegin[ell]].toLower()
+                                       == QChar(ch).toLower());
+                        }
+
+                        if (inside) {
+                            int delta;
+                            if (curCapEnd[ell] == EmptyCapture)
+                                delta = i - curCapBegin[ell];
+                            else
+                                delta = curCapEnd[ell] - curCapBegin[ell];
+
+                            inside = (delta <= len - (pos + i));
+                            if (inside && delta > 1) {
+                                int n = 1;
+                                if (eng->cs) {
+                                    while (n < delta) {
+                                        if (in[pos + curCapBegin[ell] + n]
+                                            != in[pos + i + n])
+                                            break;
+                                        ++n;
+                                    }
+                                } else {
+                                    while (n < delta) {
+                                        QChar a = in[pos + curCapBegin[ell] + n];
+                                        QChar b = in[pos + i + n];
+                                        if (a.toLower() != b.toLower())
+                                            break;
+                                        ++n;
+                                    }
+                                }
+                                inside = (n == delta);
+                                if (inside)
+                                    needSomeSleep = delta - 1;
+                            }
+                        }
+#endif
+                    }
+                }
+
+                /*
+                  We must now update our data structures.
+                */
+                if (inside) {
+#ifndef QT_NO_REGEXP_CAPTURE
+                    int *capBegin, *capEnd;
+#endif
+                    /*
+                      If the next state was not encountered yet, all
+                      is fine.
+                    */
+                    if ((m = inNextStack[next]) == -1) {
+                        m = nnext++;
+                        nextStack[m] = next;
+                        inNextStack[next] = m;
+#ifndef QT_NO_REGEXP_CAPTURE
+                        capBegin = nextCapBegin + m * ncap;
+                        capEnd = nextCapEnd + m * ncap;
+
+                    /*
+                      Otherwise, we'll first maintain captures in
+                      temporary arrays, and decide at the end whether
+                      it's best to keep the previous capture zones or
+                      the new ones.
+                    */
+                    } else {
+                        capBegin = tempCapBegin;
+                        capEnd = tempCapEnd;
+#endif
+                    }
+
+#ifndef QT_NO_REGEXP_CAPTURE
+                    /*
+                      Updating the capture zones is much of a task.
+                    */
+                    if (ncap > 0) {
+                        memcpy(capBegin, curCapBegin + j * ncap, ncap * sizeof(int));
+                        memcpy(capEnd, curCapEnd + j * ncap, ncap * sizeof(int));
+                        int c = scur.atom, n = snext.atom;
+                        int p = -1, q = -1;
+                        int cap;
+
+                        /*
+                          Lemma 1. For any x in the range [0..nf), we
+                          have f[x].parent < x.
+
+                          Proof. By looking at startAtom(), it is
+                          clear that cf < nf holds all the time, and
+                          thus that f[nf].parent < nf.
+                        */
+
+                        /*
+                          If we are reentering an atom, we empty all
+                          capture zones inside it.
+                        */
+                        if ((q = scur.reenter.value(next)) != 0) {
+                            QBitArray b(eng->nf, false);
+                            b.setBit(q, true);
+                            for (int ell = q + 1; ell < eng->nf; ell++) {
+                                if (b.testBit(eng->f.at(ell).parent)) {
+                                    b.setBit(ell, true);
+                                    cap = eng->f.at(ell).capture;
+                                    if (cap >= 0) {
+                                        capBegin[cap] = EmptyCapture;
+                                        capEnd[cap] = EmptyCapture;
+                                    }
+                                }
+                            }
+                            p = eng->f.at(q).parent;
+
+                        /*
+                          Otherwise, close the capture zones we are
+                          leaving. We are leaving f[c].capture,
+                          f[f[c].parent].capture,
+                          f[f[f[c].parent].parent].capture, ...,
+                          until f[x].capture, with x such that
+                          f[x].parent is the youngest common ancestor
+                          for c and n.
+
+                          We go up along c's and n's ancestry until
+                          we find x.
+                        */
+                        } else {
+                            p = c;
+                            q = n;
+                            while (p != q) {
+                                if (p > q) {
+                                    cap = eng->f.at(p).capture;
+                                    if (cap >= 0) {
+                                        if (capBegin[cap] == i) {
+                                            capBegin[cap] = EmptyCapture;
+                                            capEnd[cap] = EmptyCapture;
+                                        } else {
+                                            capEnd[cap] = i;
+                                        }
+                                    }
+                                    p = eng->f.at(p).parent;
+                                } else {
+                                    q = eng->f.at(q).parent;
+                                }
+                            }
+                        }
+
+                        /*
+                          In any case, we now open the capture zones
+                          we are entering. We work upwards from n
+                          until we reach p (the parent of the atom we
+                          reenter or the youngest common ancestor).
+                        */
+                        while (n > p) {
+                            cap = eng->f.at(n).capture;
+                            if (cap >= 0) {
+                                capBegin[cap] = i;
+                                capEnd[cap] = EmptyCapture;
+                            }
+                            n = eng->f.at(n).parent;
+                        }
+                        /*
+                          If the next state was already in
+                          nextStack, we must choose carefully which
+                          capture zones we want to keep.
+                        */
+                        if (capBegin == tempCapBegin &&
+                                isBetterCapture(ncap, capBegin, capEnd, nextCapBegin + m * ncap,
+                                                nextCapEnd + m * ncap)) {
+                            memcpy(nextCapBegin + m * ncap, capBegin, ncap * sizeof(int));
+                            memcpy(nextCapEnd + m * ncap, capEnd, ncap * sizeof(int));
+                        }
+                    }
+#ifndef QT_NO_REGEXP_BACKREF
+                    /*
+                      We are done with updating the capture zones.
+                      It's now time to put the next state to sleep,
+                      if it needs to, and to remove it from
+                      nextStack.
+                    */
+                    if (needSomeSleep > 0) {
+                        QVector<int> zzZ(2 + 2 * ncap);
+                        zzZ[0] = i + needSomeSleep;
+                        zzZ[1] = next;
+                        if (ncap > 0) {
+                            memcpy(zzZ.data() + 2, capBegin, ncap * sizeof(int));
+                            memcpy(zzZ.data() + 2 + ncap, capEnd, ncap * sizeof(int));
+                        }
+                        inNextStack[nextStack[--nnext]] = -1;
+                        sleeping.append(zzZ);
+                    }
+#endif
+#endif
+                }
+            }
+        }
+#ifndef QT_NO_REGEXP_CAPTURE
+        /*
+          If we reached the final state, hurray! Copy the captured
+          zone.
+        */
+        if (ncap > 0 && (m = inNextStack[QRegExpEngine::FinalState]) != -1) {
+            memcpy(capBegin, nextCapBegin + m * ncap, ncap * sizeof(int));
+            memcpy(capEnd, nextCapEnd + m * ncap, ncap * sizeof(int));
+        }
+#ifndef QT_NO_REGEXP_BACKREF
+        /*
+          It's time to wake up the sleepers.
+        */
+        j = 0;
+        while (j < sleeping.count()) {
+            if (sleeping.at(j)[0] == i) {
+                const QVector<int> &zzZ = sleeping.at(j);
+                int next = zzZ[1];
+                const int *capBegin = zzZ.data() + 2;
+                const int *capEnd = zzZ.data() + 2 + ncap;
+                bool copyOver = true;
+
+                if ((m = inNextStack[next]) == -1) {
+                    m = nnext++;
+                    nextStack[m] = next;
+                    inNextStack[next] = m;
+                } else {
+                    copyOver = isBetterCapture(ncap, nextCapBegin + m * ncap, nextCapEnd + m * ncap,
+                                               capBegin, capEnd);
+                }
+                if (copyOver) {
+                    memcpy(nextCapBegin + m * ncap, capBegin, ncap * sizeof(int));
+                    memcpy(nextCapEnd + m * ncap, capEnd, ncap * sizeof(int));
+                }
+
+                sleeping.removeAt(j);
+            } else {
+                ++j;
+            }
+        }
+#endif
+#endif
+        for (j = 0; j < nnext; j++)
+            inNextStack[nextStack[j]] = -1;
+
+        // avoid needless iteration that confuses oneTestMatchedLen
+        if (nnext == 1 && nextStack[0] == QRegExpEngine::FinalState
+#ifndef QT_NO_REGEXP_BACKREF
+             && sleeping.isEmpty()
+#endif
+           )
+            stop = true;
+
+        qSwap(curStack, nextStack);
+#ifndef QT_NO_REGEXP_CAPTURE
+        qSwap(curCapBegin, nextCapBegin);
+        qSwap(curCapEnd, nextCapEnd);
+#endif
+        ncur = nnext;
+        nnext = 0;
+        ++i;
+    }
+
+#ifndef QT_NO_REGEXP_BACKREF
+    /*
+      If minimal matching is enabled, we might have some sleepers
+      left.
+    */
+    if (!sleeping.isEmpty())
+        sleeping.clear();
+#endif
+
+    oneTestMatchedLen = i - 1;
+    return (matchLen >= 0);
+}
+
+#ifndef QT_NO_REGEXP_CCLASS
+
+QRegExpCharClass::QRegExpCharClass()
+    : c(0), n(false)
+{
+#ifndef QT_NO_REGEXP_OPTIM
+    occ1.fill(NoOccurrence, NumBadChars);
+#endif
+}
+
+QRegExpCharClass &QRegExpCharClass::operator=(const QRegExpCharClass &cc)
+{
+    c = cc.c;
+    r = cc.r;
+    n = cc.n;
+#ifndef QT_NO_REGEXP_OPTIM
+    occ1 = cc.occ1;
+#endif
+    return *this;
+}
+
+void QRegExpCharClass::clear()
+{
+    c = 0;
+    r.resize(0);
+    n = false;
+}
+
+void QRegExpCharClass::setNegative(bool negative)
+{
+    n = negative;
+#ifndef QT_NO_REGEXP_OPTIM
+    occ1.fill(0, NumBadChars);
+#endif
+}
+
+void QRegExpCharClass::addCategories(int cats)
+{
+    c |= cats;
+#ifndef QT_NO_REGEXP_OPTIM
+    occ1.fill(0, NumBadChars);
+#endif
+}
+
+void QRegExpCharClass::addRange(ushort from, ushort to)
+{
+    if (from > to)
+        qSwap(from, to);
+    int m = r.size();
+    r.resize(m + 1);
+    r[m].from = from;
+    r[m].len = to - from + 1;
+
+#ifndef QT_NO_REGEXP_OPTIM
+    int i;
+
+    if (to - from < NumBadChars) {
+        if (from % NumBadChars <= to % NumBadChars) {
+            for (i = from % NumBadChars; i <= to % NumBadChars; i++)
+                occ1[i] = 0;
+        } else {
+            for (i = 0; i <= to % NumBadChars; i++)
+                occ1[i] = 0;
+            for (i = from % NumBadChars; i < NumBadChars; i++)
+                occ1[i] = 0;
+        }
+    } else {
+        occ1.fill(0, NumBadChars);
+    }
+#endif
+}
+
+bool QRegExpCharClass::in(QChar ch) const
+{
+#ifndef QT_NO_REGEXP_OPTIM
+    if (occ1.at(BadChar(ch)) == NoOccurrence)
+        return n;
+#endif
+
+    if (c != 0 && (c & (1 << (int)ch.category())) != 0)
+        return !n;
+
+    const int uc = ch.unicode();
+    int size = r.size();
+
+    for (int i = 0; i < size; ++i) {
+        const QRegExpCharClassRange &range = r.at(i);
+        if (uint(uc - range.from) < uint(r.at(i).len))
+            return !n;
+    }
+    return n;
+}
+
+#if defined(QT_DEBUG)
+void QRegExpCharClass::dump() const
+{
+    int i;
+    qDebug("    %stive character class", n ? "nega" : "posi");
+#ifndef QT_NO_REGEXP_CCLASS
+    if (c != 0)
+        qDebug("      categories 0x%.8x", c);
+#endif
+    for (i = 0; i < r.size(); i++)
+        qDebug("      0x%.4x through 0x%.4x", r[i].from, r[i].from + r[i].len - 1);
+}
+#endif
+#endif
+
+QRegExpEngine::Box::Box(QRegExpEngine *engine)
+    : eng(engine), skipanchors(0)
+#ifndef QT_NO_REGEXP_OPTIM
+      , earlyStart(0), lateStart(0), maxl(0)
+#endif
+{
+#ifndef QT_NO_REGEXP_OPTIM
+    occ1.fill(NoOccurrence, NumBadChars);
+#endif
+    minl = 0;
+}
+
+QRegExpEngine::Box &QRegExpEngine::Box::operator=(const Box &b)
+{
+    eng = b.eng;
+    ls = b.ls;
+    rs = b.rs;
+    lanchors = b.lanchors;
+    ranchors = b.ranchors;
+    skipanchors = b.skipanchors;
+#ifndef QT_NO_REGEXP_OPTIM
+    earlyStart = b.earlyStart;
+    lateStart = b.lateStart;
+    str = b.str;
+    leftStr = b.leftStr;
+    rightStr = b.rightStr;
+    maxl = b.maxl;
+    occ1 = b.occ1;
+#endif
+    minl = b.minl;
+    return *this;
+}
+
+void QRegExpEngine::Box::set(QChar ch)
+{
+    ls.resize(1);
+    ls[0] = eng->createState(ch);
+    rs = ls;
+#ifndef QT_NO_REGEXP_OPTIM
+    str = ch;
+    leftStr = ch;
+    rightStr = ch;
+    maxl = 1;
+    occ1[BadChar(ch)] = 0;
+#endif
+    minl = 1;
+}
+
+void QRegExpEngine::Box::set(const QRegExpCharClass &cc)
+{
+    ls.resize(1);
+    ls[0] = eng->createState(cc);
+    rs = ls;
+#ifndef QT_NO_REGEXP_OPTIM
+    maxl = 1;
+    occ1 = cc.firstOccurrence();
+#endif
+    minl = 1;
+}
+
+#ifndef QT_NO_REGEXP_BACKREF
+void QRegExpEngine::Box::set(int bref)
+{
+    ls.resize(1);
+    ls[0] = eng->createState(bref);
+    rs = ls;
+    if (bref >= 1 && bref <= MaxBackRefs)
+        skipanchors = Anchor_BackRef0Empty << bref;
+#ifndef QT_NO_REGEXP_OPTIM
+    maxl = InftyLen;
+#endif
+    minl = 0;
+}
+#endif
+
+void QRegExpEngine::Box::cat(const Box &b)
+{
+    eng->addCatTransitions(rs, b.ls);
+    addAnchorsToEngine(b);
+    if (minl == 0) {
+        lanchors.unite(b.lanchors);
+        if (skipanchors != 0) {
+            for (int i = 0; i < b.ls.size(); i++) {
+                int a = eng->anchorConcatenation(lanchors.value(b.ls.at(i), 0), skipanchors);
+                lanchors.insert(b.ls.at(i), a);
+            }
+        }
+        mergeInto(&ls, b.ls);
+    }
+    if (b.minl == 0) {
+        ranchors.unite(b.ranchors);
+        if (b.skipanchors != 0) {
+            for (int i = 0; i < rs.size(); i++) {
+                int a = eng->anchorConcatenation(ranchors.value(rs.at(i), 0), b.skipanchors);
+                ranchors.insert(rs.at(i), a);
+            }
+        }
+        mergeInto(&rs, b.rs);
+    } else {
+        ranchors = b.ranchors;
+        rs = b.rs;
+    }
+
+#ifndef QT_NO_REGEXP_OPTIM
+    if (maxl != InftyLen) {
+        if (rightStr.length() + b.leftStr.length() >
+             qMax(str.length(), b.str.length())) {
+            earlyStart = minl - rightStr.length();
+            lateStart = maxl - rightStr.length();
+            str = rightStr + b.leftStr;
+        } else if (b.str.length() > str.length()) {
+            earlyStart = minl + b.earlyStart;
+            lateStart = maxl + b.lateStart;
+            str = b.str;
+        }
+    }
+
+    if (leftStr.length() == maxl)
+        leftStr += b.leftStr;
+
+    if (b.rightStr.length() == b.maxl) {
+        rightStr += b.rightStr;
+    } else {
+        rightStr = b.rightStr;
+    }
+
+    if (maxl == InftyLen || b.maxl == InftyLen) {
+        maxl = InftyLen;
+    } else {
+        maxl += b.maxl;
+    }
+
+    for (int i = 0; i < NumBadChars; i++) {
+        if (b.occ1.at(i) != NoOccurrence && minl + b.occ1.at(i) < occ1.at(i))
+            occ1[i] = minl + b.occ1.at(i);
+    }
+#endif
+
+    minl += b.minl;
+    if (minl == 0)
+        skipanchors = eng->anchorConcatenation(skipanchors, b.skipanchors);
+    else
+        skipanchors = 0;
+}
+
+void QRegExpEngine::Box::orx(const Box &b)
+{
+    mergeInto(&ls, b.ls);
+    lanchors.unite(b.lanchors);
+    mergeInto(&rs, b.rs);
+    ranchors.unite(b.ranchors);
+
+    if (b.minl == 0) {
+        if (minl == 0)
+            skipanchors = eng->anchorAlternation(skipanchors, b.skipanchors);
+        else
+            skipanchors = b.skipanchors;
+    }
+
+#ifndef QT_NO_REGEXP_OPTIM
+    for (int i = 0; i < NumBadChars; i++) {
+        if (occ1.at(i) > b.occ1.at(i))
+            occ1[i] = b.occ1.at(i);
+    }
+    earlyStart = 0;
+    lateStart = 0;
+    str = QString();
+    leftStr = QString();
+    rightStr = QString();
+    if (b.maxl > maxl)
+        maxl = b.maxl;
+#endif
+    if (b.minl < minl)
+        minl = b.minl;
+}
+
+void QRegExpEngine::Box::plus(int atom)
+{
+#ifndef QT_NO_REGEXP_CAPTURE
+    eng->addPlusTransitions(rs, ls, atom);
+#else
+    Q_UNUSED(atom);
+    eng->addCatTransitions(rs, ls);
+#endif
+    addAnchorsToEngine(*this);
+#ifndef QT_NO_REGEXP_OPTIM
+    maxl = InftyLen;
+#endif
+}
+
+void QRegExpEngine::Box::opt()
+{
+#ifndef QT_NO_REGEXP_OPTIM
+    earlyStart = 0;
+    lateStart = 0;
+    str = QString();
+    leftStr = QString();
+    rightStr = QString();
+#endif
+    skipanchors = 0;
+    minl = 0;
+}
+
+void QRegExpEngine::Box::catAnchor(int a)
+{
+    if (a != 0) {
+        for (int i = 0; i < rs.size(); i++) {
+            a = eng->anchorConcatenation(ranchors.value(rs.at(i), 0), a);
+            ranchors.insert(rs.at(i), a);
+        }
+        if (minl == 0)
+            skipanchors = eng->anchorConcatenation(skipanchors, a);
+    }
+}
+
+#ifndef QT_NO_REGEXP_OPTIM
+void QRegExpEngine::Box::setupHeuristics()
+{
+    eng->goodEarlyStart = earlyStart;
+    eng->goodLateStart = lateStart;
+    eng->goodStr = eng->cs ? str : str.toLower();
+
+    eng->minl = minl;
+    if (eng->cs) {
+        /*
+          A regular expression such as 112|1 has occ1['2'] = 2 and minl =
+          1 at this point. An entry of occ1 has to be at most minl or
+          infinity for the rest of the algorithm to go well.
+
+          We waited until here before normalizing these cases (instead of
+          doing it in Box::orx()) because sometimes things improve by
+          themselves. Consider for example (112|1)34.
+        */
+        for (int i = 0; i < NumBadChars; i++) {
+            if (occ1.at(i) != NoOccurrence && occ1.at(i) >= minl)
+                occ1[i] = minl;
+        }
+        eng->occ1 = occ1;
+    } else {
+        eng->occ1.fill(0, NumBadChars);
+    }
+
+    eng->heuristicallyChooseHeuristic();
+}
+#endif
+
+#if defined(QT_DEBUG)
+void QRegExpEngine::Box::dump() const
+{
+    int i;
+    qDebug("Box of at least %d character%s", minl, minl == 1 ? "" : "s");
+    qDebug("  Left states:");
+    for (i = 0; i < ls.size(); i++) {
+        if (lanchors.value(ls[i], 0) == 0)
+            qDebug("    %d", ls[i]);
+        else
+            qDebug("    %d [anchors 0x%.8x]", ls[i], lanchors[ls[i]]);
+    }
+    qDebug("  Right states:");
+    for (i = 0; i < rs.size(); i++) {
+        if (ranchors.value(rs[i], 0) == 0)
+            qDebug("    %d", rs[i]);
+        else
+            qDebug("    %d [anchors 0x%.8x]", rs[i], ranchors[rs[i]]);
+    }
+    qDebug("  Skip anchors: 0x%.8x", skipanchors);
+}
+#endif
+
+void QRegExpEngine::Box::addAnchorsToEngine(const Box &to) const
+{
+    for (int i = 0; i < to.ls.size(); i++) {
+        for (int j = 0; j < rs.size(); j++) {
+            int a = eng->anchorConcatenation(ranchors.value(rs.at(j), 0),
+                                             to.lanchors.value(to.ls.at(i), 0));
+            eng->addAnchors(rs[j], to.ls[i], a);
+        }
+    }
+}
+
+int QRegExpEngine::getChar()
+{
+    return (yyPos == yyLen) ? EOS : yyIn[yyPos++].unicode();
+}
+
+int QRegExpEngine::getEscape()
+{
+#ifndef QT_NO_REGEXP_ESCAPE
+    const char tab[] = "afnrtv"; // no b, as \b means word boundary
+    const char backTab[] = "\a\f\n\r\t\v";
+    ushort low;
+    int i;
+#endif
+    ushort val;
+    int prevCh = yyCh;
+
+    if (prevCh == EOS) {
+        error(RXERR_END);
+        return Tok_Char | '\\';
+    }
+    yyCh = getChar();
+#ifndef QT_NO_REGEXP_ESCAPE
+    if ((prevCh & ~0xff) == 0) {
+        const char *p = strchr(tab, prevCh);
+        if (p != 0)
+            return Tok_Char | backTab[p - tab];
+    }
+#endif
+
+    switch (prevCh) {
+#ifndef QT_NO_REGEXP_ESCAPE
+    case '0':
+        val = 0;
+        for (i = 0; i < 3; i++) {
+            if (yyCh >= '0' && yyCh <= '7')
+                val = (val << 3) | (yyCh - '0');
+            else
+                break;
+            yyCh = getChar();
+        }
+        if ((val & ~0377) != 0)
+            error(RXERR_OCTAL);
+        return Tok_Char | val;
+#endif
+#ifndef QT_NO_REGEXP_ESCAPE
+    case 'B':
+        return Tok_NonWord;
+#endif
+#ifndef QT_NO_REGEXP_CCLASS
+    case 'D':
+        // see QChar::isDigit()
+        yyCharClass->addCategories(0x7fffffef);
+        return Tok_CharClass;
+    case 'S':
+        // see QChar::isSpace()
+        yyCharClass->addCategories(0x7ffff87f);
+        yyCharClass->addRange(0x0000, 0x0008);
+        yyCharClass->addRange(0x000e, 0x001f);
+        yyCharClass->addRange(0x007f, 0x009f);
+        return Tok_CharClass;
+    case 'W':
+        // see QChar::isLetterOrNumber() and QChar::isMark()
+        yyCharClass->addCategories(0x7fe07f81);
+        yyCharClass->addRange(0x203f, 0x2040);
+        yyCharClass->addSingleton(0x2040);
+        yyCharClass->addSingleton(0x2054);
+        yyCharClass->addSingleton(0x30fb);
+        yyCharClass->addRange(0xfe33, 0xfe34);
+        yyCharClass->addRange(0xfe4d, 0xfe4f);
+        yyCharClass->addSingleton(0xff3f);
+        yyCharClass->addSingleton(0xff65);
+        return Tok_CharClass;
+#endif
+#ifndef QT_NO_REGEXP_ESCAPE
+    case 'b':
+        return Tok_Word;
+#endif
+#ifndef QT_NO_REGEXP_CCLASS
+    case 'd':
+        // see QChar::isDigit()
+        yyCharClass->addCategories(0x00000010);
+        return Tok_CharClass;
+    case 's':
+        // see QChar::isSpace()
+        yyCharClass->addCategories(0x00000380);
+        yyCharClass->addRange(0x0009, 0x000d);
+        return Tok_CharClass;
+    case 'w':
+        // see QChar::isLetterOrNumber() and QChar::isMark()
+        yyCharClass->addCategories(0x000f807e);
+        yyCharClass->addSingleton(0x005f); // '_'
+        return Tok_CharClass;
+#endif
+#ifndef QT_NO_REGEXP_ESCAPE
+    case 'x':
+        val = 0;
+        for (i = 0; i < 4; i++) {
+            low = QChar(yyCh).toLower().unicode();
+            if (low >= '0' && low <= '9')
+                val = (val << 4) | (low - '0');
+            else if (low >= 'a' && low <= 'f')
+                val = (val << 4) | (low - 'a' + 10);
+            else
+                break;
+            yyCh = getChar();
+        }
+        return Tok_Char | val;
+#endif
+    default:
+        if (prevCh >= '1' && prevCh <= '9') {
+#ifndef QT_NO_REGEXP_BACKREF
+            val = prevCh - '0';
+            while (yyCh >= '0' && yyCh <= '9') {
+                val = (val * 10) + (yyCh - '0');
+                yyCh = getChar();
+            }
+            return Tok_BackRef | val;
+#else
+            error(RXERR_DISABLED);
+#endif
+        }
+        return Tok_Char | prevCh;
+    }
+}
+
+#ifndef QT_NO_REGEXP_INTERVAL
+int QRegExpEngine::getRep(int def)
+{
+    if (yyCh >= '0' && yyCh <= '9') {
+        int rep = 0;
+        do {
+            rep = 10 * rep + yyCh - '0';
+            if (rep >= InftyRep) {
+                error(RXERR_REPETITION);
+                rep = def;
+            }
+            yyCh = getChar();
+        } while (yyCh >= '0' && yyCh <= '9');
+        return rep;
+    } else {
+        return def;
+    }
+}
+#endif
+
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+void QRegExpEngine::skipChars(int n)
+{
+    if (n > 0) {
+        yyPos += n - 1;
+        yyCh = getChar();
+    }
+}
+#endif
+
+void QRegExpEngine::error(const char *msg)
+{
+    if (yyError.isEmpty())
+        yyError = QLatin1String(msg);
+}
+
+void QRegExpEngine::startTokenizer(const QChar *rx, int len)
+{
+    yyIn = rx;
+    yyPos0 = 0;
+    yyPos = 0;
+    yyLen = len;
+    yyCh = getChar();
+    yyCharClass = new QRegExpCharClass;
+    yyMinRep = 0;
+    yyMaxRep = 0;
+    yyError = QString();
+}
+
+int QRegExpEngine::getToken()
+{
+#ifndef QT_NO_REGEXP_CCLASS
+    ushort pendingCh = 0;
+    bool charPending;
+    bool rangePending;
+    int tok;
+#endif
+    int prevCh = yyCh;
+
+    yyPos0 = yyPos - 1;
+#ifndef QT_NO_REGEXP_CCLASS
+    yyCharClass->clear();
+#endif
+    yyMinRep = 0;
+    yyMaxRep = 0;
+    yyCh = getChar();
+
+    switch (prevCh) {
+    case EOS:
+        yyPos0 = yyPos;
+        return Tok_Eos;
+    case '$':
+        return Tok_Dollar;
+    case '(':
+        if (yyCh == '?') {
+            prevCh = getChar();
+            yyCh = getChar();
+            switch (prevCh) {
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+            case '!':
+                return Tok_NegLookahead;
+            case '=':
+                return Tok_PosLookahead;
+#endif
+            case ':':
+                return Tok_MagicLeftParen;
+            default:
+                error(RXERR_LOOKAHEAD);
+                return Tok_MagicLeftParen;
+            }
+        } else {
+            return Tok_LeftParen;
+        }
+    case ')':
+        return Tok_RightParen;
+    case '*':
+        yyMinRep = 0;
+        yyMaxRep = InftyRep;
+        return Tok_Quantifier;
+    case '+':
+        yyMinRep = 1;
+        yyMaxRep = InftyRep;
+        return Tok_Quantifier;
+    case '.':
+#ifndef QT_NO_REGEXP_CCLASS
+        yyCharClass->setNegative(true);
+#endif
+        return Tok_CharClass;
+    case '?':
+        yyMinRep = 0;
+        yyMaxRep = 1;
+        return Tok_Quantifier;
+    case '[':
+#ifndef QT_NO_REGEXP_CCLASS
+        if (yyCh == '^') {
+            yyCharClass->setNegative(true);
+            yyCh = getChar();
+        }
+        charPending = false;
+        rangePending = false;
+        do {
+            if (yyCh == '-' && charPending && !rangePending) {
+                rangePending = true;
+                yyCh = getChar();
+            } else {
+                if (charPending && !rangePending) {
+                    yyCharClass->addSingleton(pendingCh);
+                    charPending = false;
+                }
+                if (yyCh == '\\') {
+                    yyCh = getChar();
+                    tok = getEscape();
+                    if (tok == Tok_Word)
+                        tok = '\b';
+                } else {
+                    tok = Tok_Char | yyCh;
+                    yyCh = getChar();
+                }
+                if (tok == Tok_CharClass) {
+                    if (rangePending) {
+                        yyCharClass->addSingleton('-');
+                        yyCharClass->addSingleton(pendingCh);
+                        charPending = false;
+                        rangePending = false;
+                    }
+                } else if ((tok & Tok_Char) != 0) {
+                    if (rangePending) {
+                        yyCharClass->addRange(pendingCh, tok ^ Tok_Char);
+                        charPending = false;
+                        rangePending = false;
+                    } else {
+                        pendingCh = tok ^ Tok_Char;
+                        charPending = true;
+                    }
+                } else {
+                    error(RXERR_CHARCLASS);
+                }
+            }
+        }  while (yyCh != ']' && yyCh != EOS);
+        if (rangePending)
+            yyCharClass->addSingleton('-');
+        if (charPending)
+            yyCharClass->addSingleton(pendingCh);
+        if (yyCh == EOS)
+            error(RXERR_END);
+        else
+            yyCh = getChar();
+        return Tok_CharClass;
+#else
+        error(RXERR_END);
+        return Tok_Char | '[';
+#endif
+    case '\\':
+        return getEscape();
+    case ']':
+        error(RXERR_LEFTDELIM);
+        return Tok_Char | ']';
+    case '^':
+        return Tok_Caret;
+    case '{':
+#ifndef QT_NO_REGEXP_INTERVAL
+        yyMinRep = getRep(0);
+        yyMaxRep = yyMinRep;
+        if (yyCh == ',') {
+            yyCh = getChar();
+            yyMaxRep = getRep(InftyRep);
+        }
+        if (yyMaxRep < yyMinRep)
+            qSwap(yyMinRep, yyMaxRep);
+        if (yyCh != '}')
+            error(RXERR_REPETITION);
+        yyCh = getChar();
+        return Tok_Quantifier;
+#else
+        error(RXERR_DISABLED);
+        return Tok_Char | '{';
+#endif
+    case '|':
+        return Tok_Bar;
+    case '}':
+        error(RXERR_LEFTDELIM);
+        return Tok_Char | '}';
+    default:
+        return Tok_Char | prevCh;
+    }
+}
+
+int QRegExpEngine::parse(const QChar *pattern, int len)
+{
+    valid = true;
+    startTokenizer(pattern, len);
+    yyTok = getToken();
+#ifndef QT_NO_REGEXP_CAPTURE
+    yyMayCapture = true;
+#else
+    yyMayCapture = false;
+#endif
+
+#ifndef QT_NO_REGEXP_CAPTURE
+    int atom = startAtom(false);
+#endif
+    QRegExpCharClass anything;
+    Box box(this); // create InitialState
+    box.set(anything);
+    Box rightBox(this); // create FinalState
+    rightBox.set(anything);
+
+    Box middleBox(this);
+    parseExpression(&middleBox);
+#ifndef QT_NO_REGEXP_CAPTURE
+    finishAtom(atom, false);
+#endif
+#ifndef QT_NO_REGEXP_OPTIM
+    middleBox.setupHeuristics();
+#endif
+    box.cat(middleBox);
+    box.cat(rightBox);
+    delete yyCharClass;
+    yyCharClass = 0;
+
+#ifndef QT_NO_REGEXP_CAPTURE
+    for (int i = 0; i < nf; ++i) {
+        switch (f[i].capture) {
+        case QRegExpAtom::NoCapture:
+            break;
+        case QRegExpAtom::OfficialCapture:
+            f[i].capture = ncap;
+            captureForOfficialCapture.append(ncap);
+            ++ncap;
+            ++officialncap;
+            break;
+        case QRegExpAtom::UnofficialCapture:
+            f[i].capture = greedyQuantifiers ? ncap++ : QRegExpAtom::NoCapture;
+        }
+    }
+
+#ifndef QT_NO_REGEXP_BACKREF
+#ifndef QT_NO_REGEXP_OPTIM
+    if (officialncap == 0 && nbrefs == 0) {
+        ncap = nf = 0;
+        f.clear();
+    }
+#endif
+    // handle the case where there's a \5 with no corresponding capture
+    // (captureForOfficialCapture.size() != officialncap)
+    for (int i = 0; i < nbrefs - officialncap; ++i) {
+        captureForOfficialCapture.append(ncap);
+        ++ncap;
+    }
+#endif
+#endif
+
+    if (!yyError.isEmpty())
+        return -1;
+
+#ifndef QT_NO_REGEXP_OPTIM
+    const QRegExpAutomatonState &sinit = s.at(InitialState);
+    caretAnchored = !sinit.anchors.isEmpty();
+    if (caretAnchored) {
+        const QMap<int, int> &anchors = sinit.anchors;
+        QMap<int, int>::const_iterator a;
+        for (a = anchors.constBegin(); a != anchors.constEnd(); ++a) {
+            if (
+#ifndef QT_NO_REGEXP_ANCHOR_ALT
+                (*a & Anchor_Alternation) != 0 ||
+#endif
+                (*a & Anchor_Caret) == 0)
+            {
+                caretAnchored = false;
+                break;
+            }
+        }
+    }
+#endif
+
+    // cleanup anchors
+    int numStates = s.count();
+    for (int i = 0; i < numStates; ++i) {
+        QRegExpAutomatonState &state = s[i];
+        if (!state.anchors.isEmpty()) {
+            QMap<int, int>::iterator a = state.anchors.begin();
+            while (a != state.anchors.end()) {
+                if (a.value() == 0)
+                    a = state.anchors.erase(a);
+                else
+                    ++a;
+            }
+        }
+    }
+
+    return yyPos0;
+}
+
+void QRegExpEngine::parseAtom(Box *box)
+{
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+    QRegExpEngine *eng = 0;
+    bool neg;
+    int len;
+#endif
+
+    if ((yyTok & Tok_Char) != 0) {
+        box->set(QChar(yyTok ^ Tok_Char));
+    } else {
+#ifndef QT_NO_REGEXP_OPTIM
+        trivial = false;
+#endif
+        switch (yyTok) {
+        case Tok_Dollar:
+            box->catAnchor(Anchor_Dollar);
+            break;
+        case Tok_Caret:
+            box->catAnchor(Anchor_Caret);
+            break;
+#ifndef QT_NO_REGEXP_LOOKAHEAD
+        case Tok_PosLookahead:
+        case Tok_NegLookahead:
+            neg = (yyTok == Tok_NegLookahead);
+            eng = new QRegExpEngine(cs, greedyQuantifiers);
+            len = eng->parse(yyIn + yyPos - 1, yyLen - yyPos + 1);
+            if (len >= 0)
+                skipChars(len);
+            else
+                error(RXERR_LOOKAHEAD);
+            box->catAnchor(addLookahead(eng, neg));
+            yyTok = getToken();
+            if (yyTok != Tok_RightParen)
+                error(RXERR_LOOKAHEAD);
+            break;
+#endif
+#ifndef QT_NO_REGEXP_ESCAPE
+        case Tok_Word:
+            box->catAnchor(Anchor_Word);
+            break;
+        case Tok_NonWord:
+            box->catAnchor(Anchor_NonWord);
+            break;
+#endif
+        case Tok_LeftParen:
+        case Tok_MagicLeftParen:
+            yyTok = getToken();
+            parseExpression(box);
+            if (yyTok != Tok_RightParen)
+                error(RXERR_END);
+            break;
+        case Tok_CharClass:
+            box->set(*yyCharClass);
+            break;
+        case Tok_Quantifier:
+            error(RXERR_REPETITION);
+            break;
+        default:
+#ifndef QT_NO_REGEXP_BACKREF
+            if ((yyTok & Tok_BackRef) != 0)
+                box->set(yyTok ^ Tok_BackRef);
+            else
+#endif
+                error(RXERR_DISABLED);
+        }
+    }
+    yyTok = getToken();
+}
+
+void QRegExpEngine::parseFactor(Box *box)
+{
+#ifndef QT_NO_REGEXP_CAPTURE
+    int outerAtom = greedyQuantifiers ? startAtom(false) : -1;
+    int innerAtom = startAtom(yyMayCapture && yyTok == Tok_LeftParen);
+    bool magicLeftParen = (yyTok == Tok_MagicLeftParen);
+#else
+    const int innerAtom = -1;
+#endif
+
+#ifndef QT_NO_REGEXP_INTERVAL
+#define YYREDO() \
+        yyIn = in, yyPos0 = pos0, yyPos = pos, yyLen = len, yyCh = ch, \
+        *yyCharClass = charClass, yyMinRep = 0, yyMaxRep = 0, yyTok = tok
+
+    const QChar *in = yyIn;
+    int pos0 = yyPos0;
+    int pos = yyPos;
+    int len = yyLen;
+    int ch = yyCh;
+    QRegExpCharClass charClass;
+    if (yyTok == Tok_CharClass)
+        charClass = *yyCharClass;
+    int tok = yyTok;
+    bool mayCapture = yyMayCapture;
+#endif
+
+    parseAtom(box);
+#ifndef QT_NO_REGEXP_CAPTURE
+    finishAtom(innerAtom, magicLeftParen);
+#endif
+
+    bool hasQuantifier = (yyTok == Tok_Quantifier);
+    if (hasQuantifier) {
+#ifndef QT_NO_REGEXP_OPTIM
+        trivial = false;
+#endif
+        if (yyMaxRep == InftyRep) {
+            box->plus(innerAtom);
+#ifndef QT_NO_REGEXP_INTERVAL
+        } else if (yyMaxRep == 0) {
+            box->clear();
+#endif
+        }
+        if (yyMinRep == 0)
+            box->opt();
+
+#ifndef QT_NO_REGEXP_INTERVAL
+        yyMayCapture = false;
+        int alpha = (yyMinRep == 0) ? 0 : yyMinRep - 1;
+        int beta = (yyMaxRep == InftyRep) ? 0 : yyMaxRep - (alpha + 1);
+
+        Box rightBox(this);
+        int i;
+
+        for (i = 0; i < beta; i++) {
+            YYREDO();
+            Box leftBox(this);
+            parseAtom(&leftBox);
+            leftBox.cat(rightBox);
+            leftBox.opt();
+            rightBox = leftBox;
+        }
+        for (i = 0; i < alpha; i++) {
+            YYREDO();
+            Box leftBox(this);
+            parseAtom(&leftBox);
+            leftBox.cat(rightBox);
+            rightBox = leftBox;
+        }
+        rightBox.cat(*box);
+        *box = rightBox;
+#endif
+        yyTok = getToken();
+#ifndef QT_NO_REGEXP_INTERVAL
+        yyMayCapture = mayCapture;
+#endif
+    }
+#undef YYREDO
+#ifndef QT_NO_REGEXP_CAPTURE
+    if (greedyQuantifiers)
+        finishAtom(outerAtom, hasQuantifier);
+#endif
+}
+
+void QRegExpEngine::parseTerm(Box *box)
+{
+#ifndef QT_NO_REGEXP_OPTIM
+    if (yyTok != Tok_Eos && yyTok != Tok_RightParen && yyTok != Tok_Bar)
+        parseFactor(box);
+#endif
+    while (yyTok != Tok_Eos && yyTok != Tok_RightParen && yyTok != Tok_Bar) {
+        Box rightBox(this);
+        parseFactor(&rightBox);
+        box->cat(rightBox);
+    }
+}
+
+void QRegExpEngine::parseExpression(Box *box)
+{
+    parseTerm(box);
+    while (yyTok == Tok_Bar) {
+#ifndef QT_NO_REGEXP_OPTIM
+        trivial = false;
+#endif
+        Box rightBox(this);
+        yyTok = getToken();
+        parseTerm(&rightBox);
+        box->orx(rightBox);
+    }
+}
+
+/*
+  The struct QRegExpPrivate contains the private data of a regular
+  expression other than the automaton. It makes it possible for many
+  QRegExp objects to use the same QRegExpEngine object with different
+  QRegExpPrivate objects.
+*/
+struct QRegExpPrivate
+{
+    QRegExpEngine *eng;
+    QRegExpEngineKey engineKey;
+    bool minimal;
+#ifndef QT_NO_REGEXP_CAPTURE
+    QString t; // last string passed to QRegExp::indexIn() or lastIndexIn()
+    QStringList capturedCache; // what QRegExp::capturedTexts() returned last
+#endif
+    QRegExpMatchState matchState;
+
+    inline QRegExpPrivate()
+        : eng(0), engineKey(QString(), QRegExp::RegExp, Qt::CaseSensitive), minimal(false) { }
+    inline QRegExpPrivate(const QRegExpEngineKey &key)
+        : eng(0), engineKey(key), minimal(false) {}
+};
+
+#if !defined(QT_NO_REGEXP_OPTIM)
+uint qHash(const QRegExpEngineKey &key)
+{
+    return qHash(key.pattern);
+}
+
+typedef QCache<QRegExpEngineKey, QRegExpEngine> EngineCache;
+Q_GLOBAL_STATIC(EngineCache, globalEngineCache)
+Q_GLOBAL_STATIC(QMutex, mutex)
+#endif // QT_NO_REGEXP_OPTIM
+
+static void derefEngine(QRegExpEngine *eng, const QRegExpEngineKey &key)
+{
+    if (!eng->ref.deref()) {
+#if !defined(QT_NO_REGEXP_OPTIM)
+        if (globalEngineCache()) {
+            QMutexLocker locker(mutex());
+            globalEngineCache()->insert(key, eng, 4 + key.pattern.length() / 4);
+        }
+        else
+            delete eng;
+#else
+        Q_UNUSED(key);
+        delete eng;
+#endif
+    }
+}
+
+static void prepareEngine_helper(QRegExpPrivate *priv)
+{
+    bool initMatchState = !priv->eng;
+#if !defined(QT_NO_REGEXP_OPTIM)
+    if (!priv->eng) {
+        QMutexLocker locker(mutex());
+        priv->eng = globalEngineCache()->take(priv->engineKey);
+        if (priv->eng != 0)
+            priv->eng->ref.ref();
+    }
+#endif // QT_NO_REGEXP_OPTIM
+
+    if (!priv->eng)
+        priv->eng = new QRegExpEngine(priv->engineKey);
+
+    if (initMatchState)
+        priv->matchState.prepareForMatch(priv->eng);
+}
+
+inline static void prepareEngine(QRegExpPrivate *priv)
+{
+    if (priv->eng)
+        return;
+    prepareEngine_helper(priv);
+}
+
+static void prepareEngineForMatch(QRegExpPrivate *priv, const QString &str)
+{
+    prepareEngine(priv);
+    priv->matchState.prepareForMatch(priv->eng);
+#ifndef QT_NO_REGEXP_CAPTURE
+    priv->t = str;
+    priv->capturedCache.clear();
+#else
+    Q_UNUSED(str);
+#endif
+}
+
+static void invalidateEngine(QRegExpPrivate *priv)
+{
+    if (priv->eng != 0) {
+        derefEngine(priv->eng, priv->engineKey);
+        priv->eng = 0;
+        priv->matchState.drain();
+    }
+}
+
+/*!
+    \enum QRegExp::CaretMode
+
+    The CaretMode enum defines the different meanings of the caret
+    (\bold{^}) in a regular expression. The possible values are:
+
+    \value CaretAtZero
+           The caret corresponds to index 0 in the searched string.
+
+    \value CaretAtOffset
+           The caret corresponds to the start offset of the search.
+
+    \value CaretWontMatch
+           The caret never matches.
+*/
+
+/*!
+    \enum QRegExp::PatternSyntax
+
+    The syntax used to interpret the meaning of the pattern.
+
+    \value RegExp A rich Perl-like pattern matching syntax. This is
+    the default.
+
+    \value RegExp2 Like RegExp, but with \l{greedy quantifiers}. This
+    will be the default in Qt 5. (Introduced in Qt 4.2.)
+
+    \value Wildcard This provides a simple pattern matching syntax
+    similar to that used by shells (command interpreters) for "file
+    globbing". See \l{Wildcard Matching}.
+
+    \value FixedString The pattern is a fixed string. This is
+    equivalent to using the RegExp pattern on a string in
+    which all metacharacters are escaped using escape().
+
+    \sa setPatternSyntax()
+*/
+
+/*!
+    Constructs an empty regexp.
+
+    \sa isValid(), errorString()
+*/
+QRegExp::QRegExp()
+{
+    priv = new QRegExpPrivate;
+}
+
+/*!
+    Constructs a regular expression object for the given \a pattern
+    string. The pattern must be given using wildcard notation if \a
+    syntax is \l Wildcard; the default is \l RegExp. The pattern is
+    case sensitive, unless \a cs is Qt::CaseInsensitive. Matching is
+    greedy (maximal), but can be changed by calling
+    setMinimal().
+
+    \sa setPattern(), setCaseSensitivity(), setPatternSyntax()
+*/
+QRegExp::QRegExp(const QString &pattern, Qt::CaseSensitivity cs, PatternSyntax syntax)
+{
+    priv = new QRegExpPrivate(QRegExpEngineKey(pattern, syntax, cs));
+}
+
+/*!
+    Constructs a regular expression as a copy of \a rx.
+
+    \sa operator=()
+*/
+QRegExp::QRegExp(const QRegExp &rx)
+{
+    priv = new QRegExpPrivate;
+    operator=(rx);
+}
+
+/*!
+    Destroys the regular expression and cleans up its internal data.
+*/
+QRegExp::~QRegExp()
+{
+    invalidateEngine(priv);
+    delete priv;
+}
+
+/*!
+    Copies the regular expression \a rx and returns a reference to the
+    copy. The case sensitivity, wildcard, and minimal matching options
+    are also copied.
+*/
+QRegExp &QRegExp::operator=(const QRegExp &rx)
+{
+    prepareEngine(rx.priv); // to allow sharing
+    QRegExpEngine *otherEng = rx.priv->eng;
+    if (otherEng)
+        otherEng->ref.ref();
+    invalidateEngine(priv);
+    priv->eng = otherEng;
+    priv->engineKey = rx.priv->engineKey;
+    priv->minimal = rx.priv->minimal;
+#ifndef QT_NO_REGEXP_CAPTURE
+    priv->t = rx.priv->t;
+    priv->capturedCache = rx.priv->capturedCache;
+#endif
+    if (priv->eng)
+        priv->matchState.prepareForMatch(priv->eng);
+    priv->matchState.captured = rx.priv->matchState.captured;
+    return *this;
+}
+
+/*!
+    Returns true if this regular expression is equal to \a rx;
+    otherwise returns false.
+
+    Two QRegExp objects are equal if they have the same pattern
+    strings and the same settings for case sensitivity, wildcard and
+    minimal matching.
+*/
+bool QRegExp::operator==(const QRegExp &rx) const
+{
+    return priv->engineKey == rx.priv->engineKey && priv->minimal == rx.priv->minimal;
+}
+
+/*!
+    \fn bool QRegExp::operator!=(const QRegExp &rx) const
+
+    Returns true if this regular expression is not equal to \a rx;
+    otherwise returns false.
+
+    \sa operator==()
+*/
+
+/*!
+    Returns true if the pattern string is empty; otherwise returns
+    false.
+
+    If you call exactMatch() with an empty pattern on an empty string
+    it will return true; otherwise it returns false since it operates
+    over the whole string. If you call indexIn() with an empty pattern
+    on \e any string it will return the start offset (0 by default)
+    because the empty pattern matches the 'emptiness' at the start of
+    the string. In this case the length of the match returned by
+    matchedLength() will be 0.
+
+    See QString::isEmpty().
+*/
+
+bool QRegExp::isEmpty() const
+{
+    return priv->engineKey.pattern.isEmpty();
+}
+
+/*!
+    Returns true if the regular expression is valid; otherwise returns
+    false. An invalid regular expression never matches.
+
+    The pattern \bold{[a-z} is an example of an invalid pattern, since
+    it lacks a closing square bracket.
+
+    Note that the validity of a regexp may also depend on the setting
+    of the wildcard flag, for example \bold{*.html} is a valid
+    wildcard regexp but an invalid full regexp.
+
+    \sa errorString()
+*/
+bool QRegExp::isValid() const
+{
+    if (priv->engineKey.pattern.isEmpty()) {
+        return true;
+    } else {
+        prepareEngine(priv);
+        return priv->eng->isValid();
+    }
+}
+
+/*!
+    Returns the pattern string of the regular expression. The pattern
+    has either regular expression syntax or wildcard syntax, depending
+    on patternSyntax().
+
+    \sa patternSyntax(), caseSensitivity()
+*/
+QString QRegExp::pattern() const
+{
+    return priv->engineKey.pattern;
+}
+
+/*!
+    Sets the pattern string to \a pattern. The case sensitivity,
+    wildcard, and minimal matching options are not changed.
+
+    \sa setPatternSyntax(), setCaseSensitivity()
+*/
+void QRegExp::setPattern(const QString &pattern)
+{
+    if (priv->engineKey.pattern != pattern) {
+        invalidateEngine(priv);
+        priv->engineKey.pattern = pattern;
+    }
+}
+
+/*!
+    Returns Qt::CaseSensitive if the regexp is matched case
+    sensitively; otherwise returns Qt::CaseInsensitive.
+
+    \sa patternSyntax(), pattern(), isMinimal()
+*/
+Qt::CaseSensitivity QRegExp::caseSensitivity() const
+{
+    return priv->engineKey.cs;
+}
+
+/*!
+    Sets case sensitive matching to \a cs.
+
+    If \a cs is Qt::CaseSensitive, \bold{\\.txt$} matches
+    \c{readme.txt} but not \c{README.TXT}.
+
+    \sa setPatternSyntax(), setPattern(), setMinimal()
+*/
+void QRegExp::setCaseSensitivity(Qt::CaseSensitivity cs)
+{
+    if ((bool)cs != (bool)priv->engineKey.cs) {
+        invalidateEngine(priv);
+        priv->engineKey.cs = cs;
+    }
+}
+
+/*!
+    Returns the syntax used by the regular expression. The default is
+    QRegExp::RegExp.
+
+    \sa pattern(), caseSensitivity()
+*/
+QRegExp::PatternSyntax QRegExp::patternSyntax() const
+{
+    return priv->engineKey.patternSyntax;
+}
+
+/*!
+    Sets the syntax mode for the regular expression. The default is
+    QRegExp::RegExp.
+
+    Setting \a syntax to QRegExp::Wildcard enables simple shell-like
+    \l{wildcard matching}. For example, \bold{r*.txt} matches the
+    string \c{readme.txt} in wildcard mode, but does not match
+    \c{readme}.
+
+    Setting \a syntax to QRegExp::FixedString means that the pattern
+    is interpreted as a plain string. Special characters (e.g.,
+    backslash) don't need to be escaped then.
+
+    \sa setPattern(), setCaseSensitivity(), escape()
+*/
+void QRegExp::setPatternSyntax(PatternSyntax syntax)
+{
+    if (syntax != priv->engineKey.patternSyntax) {
+        invalidateEngine(priv);
+        priv->engineKey.patternSyntax = syntax;
+    }
+}
+
+/*!
+    Returns true if minimal (non-greedy) matching is enabled;
+    otherwise returns false.
+
+    \sa caseSensitivity(), setMinimal()
+*/
+bool QRegExp::isMinimal() const
+{
+    return priv->minimal;
+}
+
+/*!
+    Enables or disables minimal matching. If \a minimal is false,
+    matching is greedy (maximal) which is the default.
+
+    For example, suppose we have the input string "We must be
+    <b>bold</b>, very <b>bold</b>!" and the pattern
+    \bold{<b>.*</b>}. With the default greedy (maximal) matching,
+    the match is "We must be \underline{<b>bold</b>, very
+    <b>bold</b>}!". But with minimal (non-greedy) matching, the
+    first match is: "We must be \underline{<b>bold</b>}, very
+    <b>bold</b>!" and the second match is "We must be <b>bold</b>,
+    very \underline{<b>bold</b>}!". In practice we might use the pattern
+    \bold{<b>[^<]*\</b>} instead, although this will still fail for
+    nested tags.
+
+    \sa setCaseSensitivity()
+*/
+void QRegExp::setMinimal(bool minimal)
+{
+    priv->minimal = minimal;
+}
+
+// ### Qt 5: make non-const
+/*!
+    Returns true if \a str is matched exactly by this regular
+    expression; otherwise returns false. You can determine how much of
+    the string was matched by calling matchedLength().
+
+    For a given regexp string R, exactMatch("R") is the equivalent of
+    indexIn("^R$") since exactMatch() effectively encloses the regexp
+    in the start of string and end of string anchors, except that it
+    sets matchedLength() differently.
+
+    For example, if the regular expression is \bold{blue}, then
+    exactMatch() returns true only for input \c blue. For inputs \c
+    bluebell, \c blutak and \c lightblue, exactMatch() returns false
+    and matchedLength() will return 4, 3 and 0 respectively.
+
+    Although const, this function sets matchedLength(),
+    capturedTexts(), and pos().
+
+    \sa indexIn(), lastIndexIn()
+*/
+bool QRegExp::exactMatch(const QString &str) const
+{
+    prepareEngineForMatch(priv, str);
+    priv->matchState.match(str.unicode(), str.length(), 0, priv->minimal, true, 0);
+    if (priv->matchState.captured[1] == str.length()) {
+        return true;
+    } else {
+        priv->matchState.captured[0] = 0;
+        priv->matchState.captured[1] = priv->matchState.oneTestMatchedLen;
+        return false;
+    }
+}
+
+// ### Qt 5: make non-const
+/*!
+    Attempts to find a match in \a str from position \a offset (0 by
+    default). If \a offset is -1, the search starts at the last
+    character; if -2, at the next to last character; etc.
+
+    Returns the position of the first match, or -1 if there was no
+    match.
+
+    The \a caretMode parameter can be used to instruct whether \bold{^}
+    should match at index 0 or at \a offset.
+
+    You might prefer to use QString::indexOf(), QString::contains(),
+    or even QStringList::filter(). To replace matches use
+    QString::replace().
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 13
+
+    Although const, this function sets matchedLength(),
+    capturedTexts() and pos().
+
+    If the QRegExp is a wildcard expression (see setPatternSyntax())
+    and want to test a string against the whole wildcard expression,
+    use exactMatch() instead of this function.
+
+    \sa lastIndexIn(), exactMatch()
+*/
+
+int QRegExp::indexIn(const QString &str, int offset, CaretMode caretMode) const
+{
+    prepareEngineForMatch(priv, str);
+    if (offset < 0)
+        offset += str.length();
+    priv->matchState.match(str.unicode(), str.length(), offset,
+        priv->minimal, false, caretIndex(offset, caretMode));
+    return priv->matchState.captured[0];
+}
+
+// ### Qt 5: make non-const
+/*!
+    Attempts to find a match backwards in \a str from position \a
+    offset. If \a offset is -1 (the default), the search starts at the
+    last character; if -2, at the next to last character; etc.
+
+    Returns the position of the first match, or -1 if there was no
+    match.
+
+    The \a caretMode parameter can be used to instruct whether \bold{^}
+    should match at index 0 or at \a offset.
+
+    Although const, this function sets matchedLength(),
+    capturedTexts() and pos().
+
+    \warning Searching backwards is much slower than searching
+    forwards.
+
+    \sa indexIn(), exactMatch()
+*/
+
+int QRegExp::lastIndexIn(const QString &str, int offset, CaretMode caretMode) const
+{
+    prepareEngineForMatch(priv, str);
+    if (offset < 0)
+        offset += str.length();
+    if (offset < 0 || offset > str.length()) {
+        memset(priv->matchState.captured, -1, priv->matchState.capturedSize*sizeof(int));
+        return -1;
+    }
+
+    while (offset >= 0) {
+        priv->matchState.match(str.unicode(), str.length(), offset,
+            priv->minimal, true, caretIndex(offset, caretMode));
+        if (priv->matchState.captured[0] == offset)
+            return offset;
+        --offset;
+    }
+    return -1;
+}
+
+/*!
+    Returns the length of the last matched string, or -1 if there was
+    no match.
+
+    \sa exactMatch(), indexIn(), lastIndexIn()
+*/
+int QRegExp::matchedLength() const
+{
+    return priv->matchState.captured[1];
+}
+
+#ifndef QT_NO_REGEXP_CAPTURE
+/*!
+  Returns the number of captures contained in the regular expression.
+ */
+int QRegExp::numCaptures() const
+{
+    prepareEngine(priv);
+    return priv->eng->numCaptures();
+}
+
+/*!
+    Returns a list of the captured text strings.
+
+    The first string in the list is the entire matched string. Each
+    subsequent list element contains a string that matched a
+    (capturing) subexpression of the regexp.
+
+    For example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 14
+
+    The above example also captures elements that may be present but
+    which we have no interest in. This problem can be solved by using
+    non-capturing parentheses:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 15
+
+    Note that if you want to iterate over the list, you should iterate
+    over a copy, e.g.
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 16
+
+    Some regexps can match an indeterminate number of times. For
+    example if the input string is "Offsets: 12 14 99 231 7" and the
+    regexp, \c{rx}, is \bold{(\\d+)+}, we would hope to get a list of
+    all the numbers matched. However, after calling
+    \c{rx.indexIn(str)}, capturedTexts() will return the list ("12",
+    "12"), i.e. the entire match was "12" and the first subexpression
+    matched was "12". The correct approach is to use cap() in a
+    \l{QRegExp#cap_in_a_loop}{loop}.
+
+    The order of elements in the string list is as follows. The first
+    element is the entire matching string. Each subsequent element
+    corresponds to the next capturing open left parentheses. Thus
+    capturedTexts()[1] is the text of the first capturing parentheses,
+    capturedTexts()[2] is the text of the second and so on
+    (corresponding to $1, $2, etc., in some other regexp languages).
+
+    \sa cap(), pos()
+*/
+QStringList QRegExp::capturedTexts() const
+{
+    if (priv->capturedCache.isEmpty()) {
+        prepareEngine(priv);
+        const int *captured = priv->matchState.captured;
+        int n = priv->matchState.capturedSize;
+
+        for (int i = 0; i < n; i += 2) {
+            QString m;
+            if (captured[i + 1] == 0)
+                m = QLatin1String(""); // ### Qt 5: don't distinguish between null and empty
+            else if (captured[i] >= 0)
+                m = priv->t.mid(captured[i], captured[i + 1]);
+            priv->capturedCache.append(m);
+        }
+        priv->t.clear();
+    }
+    return priv->capturedCache;
+}
+
+/*!
+    \internal
+*/
+QStringList QRegExp::capturedTexts()
+{
+    return const_cast<const QRegExp *>(this)->capturedTexts();
+}
+
+/*!
+    Returns the text captured by the \a nth subexpression. The entire
+    match has index 0 and the parenthesized subexpressions have
+    indexes starting from 1 (excluding non-capturing parentheses).
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 17
+
+    The order of elements matched by cap() is as follows. The first
+    element, cap(0), is the entire matching string. Each subsequent
+    element corresponds to the next capturing open left parentheses.
+    Thus cap(1) is the text of the first capturing parentheses, cap(2)
+    is the text of the second, and so on.
+
+    \sa capturedTexts(), pos()
+*/
+QString QRegExp::cap(int nth) const
+{
+    return capturedTexts().value(nth);
+}
+
+/*!
+    \internal
+*/
+QString QRegExp::cap(int nth)
+{
+    return const_cast<const QRegExp *>(this)->cap(nth);
+}
+
+/*!
+    Returns the position of the \a nth captured text in the searched
+    string. If \a nth is 0 (the default), pos() returns the position
+    of the whole match.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 18
+
+    For zero-length matches, pos() always returns -1. (For example, if
+    cap(4) would return an empty string, pos(4) returns -1.) This is
+    a feature of the implementation.
+
+    \sa cap(), capturedTexts()
+*/
+int QRegExp::pos(int nth) const
+{
+    if (nth < 0 || nth >= priv->matchState.capturedSize / 2)
+        return -1;
+    else
+        return priv->matchState.captured[2 * nth];
+}
+
+/*!
+    \internal
+*/
+int QRegExp::pos(int nth)
+{
+    return const_cast<const QRegExp *>(this)->pos(nth);
+}
+
+/*!
+  Returns a text string that explains why a regexp pattern is
+  invalid the case being; otherwise returns "no error occurred".
+
+  \sa isValid()
+*/
+QString QRegExp::errorString() const
+{
+    if (isValid()) {
+        return QString::fromLatin1(RXERR_OK);
+    } else {
+        return priv->eng->errorString();
+    }
+}
+
+/*!
+    \internal
+*/
+QString QRegExp::errorString()
+{
+    return const_cast<const QRegExp *>(this)->errorString();
+}
+#endif
+
+/*!
+    Returns the string \a str with every regexp special character
+    escaped with a backslash. The special characters are $, (,), *, +,
+    ., ?, [, \,], ^, {, | and }.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 19
+
+    This function is useful to construct regexp patterns dynamically:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qregexp.cpp 20
+
+    \sa setPatternSyntax()
+*/
+QString QRegExp::escape(const QString &str)
+{
+    QString quoted;
+    const int count = str.count();
+    quoted.reserve(count * 2);
+    const QLatin1Char backslash('\\');
+    for (int i = 0; i < count; i++) {
+        switch (str.at(i).toLatin1()) {
+        case '$':
+        case '(':
+        case ')':
+        case '*':
+        case '+':
+        case '.':
+        case '?':
+        case '[':
+        case '\\':
+        case ']':
+        case '^':
+        case '{':
+        case '|':
+        case '}':
+            quoted.append(backslash);
+        }
+        quoted.append(str.at(i));
+    }
+    return quoted;
+}
+
+/*!
+    \fn bool QRegExp::caseSensitive() const
+
+    Use \l caseSensitivity() instead.
+*/
+
+/*!
+    \fn void QRegExp::setCaseSensitive(bool sensitive)
+
+    Use \l setCaseSensitivity() instead.
+*/
+
+/*!
+    \fn bool QRegExp::wildcard() const
+
+    Use \l patternSyntax() instead.
+
+    \oldcode
+        bool wc = rx.wildcard();
+    \newcode
+        bool wc = (rx.patternSyntax() == QRegExp::Wildcard);
+    \endcode
+*/
+
+/*!
+    \fn void QRegExp::setWildcard(bool wildcard)
+
+    Use \l setPatternSyntax() instead.
+
+    \oldcode
+        rx.setWildcard(wc);
+    \newcode
+        rx.setPatternSyntax(wc ? QRegExp::Wildcard : QRegExp::RegExp);
+    \endcode
+*/
+
+/*!
+    \fn bool QRegExp::minimal() const
+
+    Use \l isMinimal() instead.
+*/
+
+/*!
+    \fn int QRegExp::search(const QString &str, int from = 0,
+                            CaretMode caretMode = CaretAtZero) const
+
+    Use \l indexIn() instead.
+*/
+
+/*!
+    \fn int QRegExp::searchRev(const QString &str, int from = -1, \
+                               CaretMode caretMode = CaretAtZero) const
+
+    Use \l lastIndexIn() instead.
+*/
+
+/*!
+    \fn QRegExp::QRegExp(const QString &pattern, bool cs, bool wildcard = false)
+
+    Use another constructor instead.
+
+    \oldcode
+        QRegExp rx("*.txt", false, true);
+    \newcode
+        QRegExp rx("*.txt", Qt::CaseInsensitive, QRegExp::Wildcard);
+    \endcode
+*/
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    \relates QRegExp
+
+    Writes the regular expression \a regExp to stream \a out.
+
+    \sa {Format of the QDataStream Operators}
+*/
+QDataStream &operator<<(QDataStream &out, const QRegExp &regExp)
+{
+    return out << regExp.pattern() << (quint8)regExp.caseSensitivity()
+               << (quint8)regExp.patternSyntax()
+               << (quint8)!!regExp.isMinimal();
+}
+
+/*!
+    \relates QRegExp
+
+    Reads a regular expression from stream \a in into \a regExp.
+
+    \sa {Format of the QDataStream Operators}
+*/
+QDataStream &operator>>(QDataStream &in, QRegExp &regExp)
+{
+    QString pattern;
+    quint8 cs;
+    quint8 patternSyntax;
+    quint8 isMinimal;
+
+    in >> pattern >> cs >> patternSyntax >> isMinimal;
+
+    QRegExp newRegExp(pattern, Qt::CaseSensitivity(cs),
+                      QRegExp::PatternSyntax(patternSyntax));
+
+    newRegExp.setMinimal(isMinimal);
+    regExp = newRegExp;
+    return in;
+}
+#endif
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qregexp.h b/src/corelib/tools/qregexp.h
new file mode 100644
index 0000000000..b387e23f35
--- /dev/null
+++ b/src/corelib/tools/qregexp.h
@@ -0,0 +1,155 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QREGEXP_H
+#define QREGEXP_H
+
+#ifndef QT_NO_REGEXP
+
+#include <QtCore/qstring.h>
+#ifdef QT3_SUPPORT
+#include <new>
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+struct QRegExpPrivate;
+class QStringList;
+
+class Q_CORE_EXPORT QRegExp
+{
+public:
+    enum PatternSyntax { RegExp, Wildcard, FixedString, RegExp2 };
+    enum CaretMode { CaretAtZero, CaretAtOffset, CaretWontMatch };
+
+    QRegExp();
+    explicit QRegExp(const QString &pattern, Qt::CaseSensitivity cs = Qt::CaseSensitive,
+		     PatternSyntax syntax = RegExp);
+    QRegExp(const QRegExp &rx);
+    ~QRegExp();
+    QRegExp &operator=(const QRegExp &rx);
+
+    bool operator==(const QRegExp &rx) const;
+    inline bool operator!=(const QRegExp &rx) const { return !operator==(rx); }
+
+    bool isEmpty() const;
+    bool isValid() const;
+    QString pattern() const;
+    void setPattern(const QString &pattern);
+    Qt::CaseSensitivity caseSensitivity() const;
+    void setCaseSensitivity(Qt::CaseSensitivity cs);
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT bool caseSensitive() const { return caseSensitivity() == Qt::CaseSensitive; }
+    inline QT3_SUPPORT void setCaseSensitive(bool sensitive)
+    { setCaseSensitivity(sensitive ? Qt::CaseSensitive : Qt::CaseInsensitive); }
+#endif
+    PatternSyntax patternSyntax() const;
+    void setPatternSyntax(PatternSyntax syntax);
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT bool wildcard() const { return patternSyntax() == Wildcard; }
+    inline QT3_SUPPORT void setWildcard(bool aWildcard)
+    { setPatternSyntax(aWildcard ? Wildcard : RegExp); }
+#endif
+
+    bool isMinimal() const;
+    void setMinimal(bool minimal);
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT bool minimal() const { return isMinimal(); }
+#endif
+
+    bool exactMatch(const QString &str) const;
+
+    int indexIn(const QString &str, int offset = 0, CaretMode caretMode = CaretAtZero) const;
+    int lastIndexIn(const QString &str, int offset = -1, CaretMode caretMode = CaretAtZero) const;
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT int search(const QString &str, int from = 0,
+                                CaretMode caretMode = CaretAtZero) const
+    { return indexIn(str, from, caretMode); }
+    inline QT3_SUPPORT int searchRev(const QString &str, int from = -1,
+                                   CaretMode caretMode = CaretAtZero) const
+    { return lastIndexIn(str, from, caretMode); }
+#endif
+    int matchedLength() const;
+#ifndef QT_NO_REGEXP_CAPTURE
+    int numCaptures() const;
+    QStringList capturedTexts() const;
+    QStringList capturedTexts();
+    QString cap(int nth = 0) const;
+    QString cap(int nth = 0);
+    int pos(int nth = 0) const;
+    int pos(int nth = 0);
+    QString errorString() const;
+    QString errorString();
+#endif
+
+    static QString escape(const QString &str);
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT_CONSTRUCTOR QRegExp(const QString &aPattern, bool cs, bool aWildcard = false)
+    {
+        new (this)
+            QRegExp(aPattern, cs ? Qt::CaseSensitive : Qt::CaseInsensitive,
+                    aWildcard ? Wildcard : RegExp);
+    }
+#endif
+
+private:
+    QRegExpPrivate *priv;
+};
+
+Q_DECLARE_TYPEINFO(QRegExp, Q_MOVABLE_TYPE);
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &out, const QRegExp &regExp);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &in, QRegExp &regExp);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_REGEXP
+
+#endif // QREGEXP_H
diff --git a/src/corelib/tools/qringbuffer_p.h b/src/corelib/tools/qringbuffer_p.h
new file mode 100644
index 0000000000..3a0901d62e
--- /dev/null
+++ b/src/corelib/tools/qringbuffer_p.h
@@ -0,0 +1,319 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QRINGBUFFER_P_H
+#define QRINGBUFFER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of a number of Qt sources files.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qbytearray.h>
+#include <QtCore/qlist.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QRingBuffer
+{
+public:
+    inline QRingBuffer(int growth = 4096) : basicBlockSize(growth) {
+        buffers << QByteArray();
+        clear();
+    }
+
+    inline int nextDataBlockSize() const {
+        return (tailBuffer == 0 ? tail : buffers.first().size()) - head;
+    }
+
+    inline const char *readPointer() const {
+        return buffers.isEmpty() ? 0 : (buffers.first().constData() + head);
+    }
+
+    inline void free(int bytes) {
+        bufferSize -= bytes;
+        if (bufferSize < 0)
+            bufferSize = 0;
+
+        for (;;) {
+            int nextBlockSize = nextDataBlockSize();
+            if (bytes < nextBlockSize) {
+                head += bytes;
+                if (head == tail && tailBuffer == 0)
+                    head = tail = 0;
+                break;
+            }
+
+            bytes -= nextBlockSize;
+            if (buffers.count() == 1) {
+                if (buffers.at(0).size() != basicBlockSize)
+                    buffers[0].resize(basicBlockSize);
+                head = tail = 0;
+                tailBuffer = 0;
+                break;
+            }
+
+            buffers.removeAt(0);
+            --tailBuffer;
+            head = 0;
+        }
+    }
+
+    inline char *reserve(int bytes) {
+        bufferSize += bytes;
+
+        // if there is already enough space, simply return.
+        if (tail + bytes <= buffers.at(tailBuffer).size()) {
+            char *writePtr = buffers[tailBuffer].data() + tail;
+            tail += bytes;
+            return writePtr;
+        }
+
+        // if our buffer isn't half full yet, simply resize it.
+        if (tail < buffers.at(tailBuffer).size() / 2) {
+            buffers[tailBuffer].resize(tail + bytes);
+            char *writePtr = buffers[tailBuffer].data() + tail;
+            tail += bytes;
+            return writePtr;
+        }
+
+        // shrink this buffer to its current size
+        buffers[tailBuffer].resize(tail);
+
+        // create a new QByteArray with the right size
+        buffers << QByteArray();
+        ++tailBuffer;
+        buffers[tailBuffer].resize(qMax(basicBlockSize, bytes));
+        tail = bytes;
+        return buffers[tailBuffer].data();
+    }
+
+    inline void truncate(int pos) {
+        if (pos < size())
+            chop(size() - pos);
+    }
+
+    inline void chop(int bytes) {
+        bufferSize -= bytes;
+        if (bufferSize < 0)
+            bufferSize = 0;
+
+        for (;;) {
+            // special case: head and tail are in the same buffer
+            if (tailBuffer == 0) {
+                tail -= bytes;
+                if (tail <= head)
+                    tail = head = 0;
+                return;
+            }
+
+            if (bytes <= tail) {
+                tail -= bytes;
+                return;
+            }
+
+            bytes -= tail;
+            buffers.removeAt(tailBuffer);
+
+            --tailBuffer;
+            tail = buffers.at(tailBuffer).size();
+        }
+    }
+
+    inline bool isEmpty() const {
+        return tailBuffer == 0 && tail == 0;
+    }
+
+    inline int getChar() {
+        if (isEmpty())
+            return -1;
+        char c = *readPointer();
+        free(1);
+        return int(uchar(c));
+    }
+
+    inline void putChar(char c) {
+        char *ptr = reserve(1);
+        *ptr = c;
+    }
+
+    inline void ungetChar(char c) {
+        --head;
+        if (head < 0) {
+            buffers.prepend(QByteArray());
+            buffers[0].resize(basicBlockSize);
+            head = basicBlockSize - 1;
+            ++tailBuffer;
+        }
+        buffers[0][head] = c;
+        ++bufferSize;
+    }
+
+    inline int size() const {
+        return bufferSize;
+    }
+
+    inline void clear() {
+        if(!buffers.isEmpty()) {
+            QByteArray tmp = buffers[0];
+            buffers.clear();
+            buffers << tmp;
+            if (buffers.at(0).size() != basicBlockSize)
+                buffers[0].resize(basicBlockSize);
+        }
+        head = tail = 0;
+        tailBuffer = 0;
+        bufferSize = 0;
+    }
+
+    inline int indexOf(char c) const {
+        int index = 0;
+        for (int i = 0; i < buffers.size(); ++i) {
+            int start = 0;
+            int end = buffers.at(i).size();
+
+            if (i == 0)
+                start = head;
+            if (i == tailBuffer)
+                end = tail;
+            const char *ptr = buffers.at(i).data() + start;
+            for (int j = start; j < end; ++j) {
+                if (*ptr++ == c)
+                    return index;
+                ++index;
+            }
+        }
+        return -1;
+    }
+
+    inline int read(char *data, int maxLength) {
+        int bytesToRead = qMin(size(), maxLength);
+        int readSoFar = 0;
+        while (readSoFar < bytesToRead) {
+            const char *ptr = readPointer();
+            int bytesToReadFromThisBlock = qMin(bytesToRead - readSoFar, nextDataBlockSize());
+            if (data)
+                memcpy(data + readSoFar, ptr, bytesToReadFromThisBlock);
+            readSoFar += bytesToReadFromThisBlock;
+            free(bytesToReadFromThisBlock);
+        }
+        return readSoFar;
+    }
+
+    inline QByteArray read(int maxLength) {
+        QByteArray tmp;
+        tmp.resize(qMin(maxLength, size()));
+        read(tmp.data(), tmp.size());
+        return tmp;
+    }
+
+    inline QByteArray readAll() {
+        return read(size());
+    }
+
+    inline QByteArray peek(int maxLength) const {
+        int bytesToRead = qMin(size(), maxLength);
+        if(maxLength <= 0)
+            return QByteArray();
+        QByteArray ret;
+        ret.resize(bytesToRead);
+        int readSoFar = 0;
+        for (int i = 0; readSoFar < bytesToRead && i < buffers.size(); ++i) {
+            int start = 0;
+            int end = buffers.at(i).size();
+            if (i == 0)
+                start = head;
+            if (i == tailBuffer)
+                end = tail;
+            const int len = qMin(ret.size()-readSoFar, end-start);
+            memcpy(ret.data()+readSoFar, buffers.at(i).constData()+start, len);
+            readSoFar += len;
+        }
+        Q_ASSERT(readSoFar == ret.size());
+        return ret;
+    }
+
+    inline int skip(int length) {
+        return read(0, length);
+    }
+
+    inline int readLine(char *data, int maxLength) {
+        int index = indexOf('\n');
+        if (index == -1)
+            return read(data, maxLength);
+        if (maxLength <= 0)
+            return -1;
+
+        int readSoFar = 0;
+        while (readSoFar < index + 1 && readSoFar < maxLength - 1) {
+            int bytesToRead = qMin((index + 1) - readSoFar, nextDataBlockSize());
+            bytesToRead = qMin(bytesToRead, (maxLength - 1) - readSoFar);
+            memcpy(data + readSoFar, readPointer(), bytesToRead);
+            readSoFar += bytesToRead;
+            free(bytesToRead);
+        }
+
+        // Terminate it.
+        data[readSoFar] = '\0';
+        return readSoFar;
+    }
+
+    inline bool canReadLine() const {
+        return indexOf('\n') != -1;
+    }
+
+private:
+    QList<QByteArray> buffers;
+    int head, tail;
+    int tailBuffer;
+    int basicBlockSize;
+    int bufferSize;
+};
+
+QT_END_NAMESPACE
+
+#endif // QRINGBUFFER_P_H
diff --git a/src/corelib/tools/qset.h b/src/corelib/tools/qset.h
new file mode 100644
index 0000000000..993ce48600
--- /dev/null
+++ b/src/corelib/tools/qset.h
@@ -0,0 +1,366 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSET_H
+#define QSET_H
+
+#include <QtCore/qhash.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <class T>
+class QSet
+{
+    typedef QHash<T, QHashDummyValue> Hash;
+
+public:
+    inline QSet() {}
+    inline QSet(const QSet<T> &other) : q_hash(other.q_hash) {}
+
+    inline QSet<T> &operator=(const QSet<T> &other)
+        { q_hash = other.q_hash; return *this; }
+
+    inline bool operator==(const QSet<T> &other) const
+        { return q_hash == other.q_hash; }
+    inline bool operator!=(const QSet<T> &other) const
+        { return q_hash != other.q_hash; }
+
+    inline int size() const { return q_hash.size(); }
+
+    inline bool isEmpty() const { return q_hash.isEmpty(); }
+
+    inline int capacity() const { return q_hash.capacity(); }
+    inline void reserve(int size);
+    inline void squeeze() { q_hash.squeeze(); }
+
+    inline void detach() { q_hash.detach(); }
+    inline bool isDetached() const { return q_hash.isDetached(); }
+    inline void setSharable(bool sharable) { q_hash.setSharable(sharable); }
+
+    inline void clear() { q_hash.clear(); }
+
+    inline bool remove(const T &value) { return q_hash.remove(value) != 0; }
+
+    inline bool contains(const T &value) const { return q_hash.contains(value); }
+
+    bool contains(const QSet<T> &set) const;
+
+    class const_iterator;
+
+    class iterator
+    {
+        typedef QHash<T, QHashDummyValue> Hash;
+        typename Hash::iterator i;
+        friend class const_iterator;
+
+    public:
+        typedef std::bidirectional_iterator_tag iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef const T *pointer;
+        typedef const T &reference;
+
+        inline iterator() {}
+        inline iterator(typename Hash::iterator o) : i(o) {}
+        inline iterator(const iterator &o) : i(o.i) {}
+        inline iterator &operator=(const iterator &o) { i = o.i; return *this; }
+        inline const T &operator*() const { return i.key(); }
+        inline const T *operator->() const { return &i.key(); }
+        inline bool operator==(const iterator &o) const { return i == o.i; }
+        inline bool operator!=(const iterator &o) const { return i != o.i; }
+        inline bool operator==(const const_iterator &o) const
+            { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const
+            { return i != o.i; }
+        inline iterator &operator++() { ++i; return *this; }
+        inline iterator operator++(int) { iterator r = *this; ++i; return r; }
+        inline iterator &operator--() { --i; return *this; }
+        inline iterator operator--(int) { iterator r = *this; --i; return r; }
+        inline iterator operator+(int j) const { return i + j; }
+        inline iterator operator-(int j) const { return i - j; }
+        inline iterator &operator+=(int j) { i += j; return *this; }
+        inline iterator &operator-=(int j) { i -= j; return *this; }
+    };
+
+    class const_iterator
+    {
+        typedef QHash<T, QHashDummyValue> Hash;
+        typename Hash::const_iterator i;
+        friend class iterator;
+
+    public:
+        typedef std::bidirectional_iterator_tag iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef const T *pointer;
+        typedef const T &reference;
+
+        inline const_iterator() {}
+        inline const_iterator(typename Hash::const_iterator o) : i(o) {}
+        inline const_iterator(const const_iterator &o) : i(o.i) {}
+        inline const_iterator(const iterator &o)
+            : i(o.i) {}
+        inline const_iterator &operator=(const const_iterator &o) { i = o.i; return *this; }
+        inline const T &operator*() const { return i.key(); }
+        inline const T *operator->() const { return &i.key(); }
+        inline bool operator==(const const_iterator &o) const { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const { return i != o.i; }
+        inline const_iterator &operator++() { ++i; return *this; }
+        inline const_iterator operator++(int) { const_iterator r = *this; ++i; return r; }
+        inline const_iterator &operator--() { --i; return *this; }
+        inline const_iterator operator--(int) { const_iterator r = *this; --i; return r; }
+        inline const_iterator operator+(int j) const { return i + j; }
+        inline const_iterator operator-(int j) const { return i - j; }
+        inline const_iterator &operator+=(int j) { i += j; return *this; }
+        inline const_iterator &operator-=(int j) { i -= j; return *this; }
+    };
+
+    // STL style
+    inline iterator begin() { return q_hash.begin(); }
+    inline const_iterator begin() const { return q_hash.begin(); }
+    inline const_iterator constBegin() const { return q_hash.constBegin(); }
+    inline iterator end() { return q_hash.end(); }
+    inline const_iterator end() const { return q_hash.end(); }
+    inline const_iterator constEnd() const { return q_hash.constEnd(); }
+    iterator erase(iterator i)
+        { return q_hash.erase(reinterpret_cast<typename Hash::iterator &>(i)); }
+
+    // more Qt
+    typedef iterator Iterator;
+    typedef const_iterator ConstIterator;
+    inline int count() const { return q_hash.count(); }
+    inline const_iterator insert(const T &value) // ### Qt 5: should return an 'iterator'
+        { return static_cast<typename Hash::const_iterator>(q_hash.insert(value,
+                                                                          QHashDummyValue())); }
+    iterator find(const T &value) { return q_hash.find(value); }
+    const_iterator find(const T &value) const { return q_hash.find(value); }
+    inline const_iterator constFind(const T &value) const { return find(value); }
+    QSet<T> &unite(const QSet<T> &other);
+    QSet<T> &intersect(const QSet<T> &other);
+    QSet<T> &subtract(const QSet<T> &other);
+
+    // STL compatibility
+    typedef T key_type;
+    typedef T value_type;
+    typedef value_type *pointer;
+    typedef const value_type *const_pointer;
+    typedef value_type &reference;
+    typedef const value_type &const_reference;
+    typedef ptrdiff_t difference_type;
+    typedef int size_type;
+
+    inline bool empty() const { return isEmpty(); }
+
+    // comfort
+    inline QSet<T> &operator<<(const T &value) { insert(value); return *this; }
+    inline QSet<T> &operator|=(const QSet<T> &other) { unite(other); return *this; }
+    inline QSet<T> &operator|=(const T &value) { insert(value); return *this; }
+    inline QSet<T> &operator&=(const QSet<T> &other) { intersect(other); return *this; }
+    inline QSet<T> &operator&=(const T &value)
+        { QSet<T> result; if (contains(value)) result.insert(value); return (*this = result); }
+    inline QSet<T> &operator+=(const QSet<T> &other) { unite(other); return *this; }
+    inline QSet<T> &operator+=(const T &value) { insert(value); return *this; }
+    inline QSet<T> &operator-=(const QSet<T> &other) { subtract(other); return *this; }
+    inline QSet<T> &operator-=(const T &value) { remove(value); return *this; }
+    inline QSet<T> operator|(const QSet<T> &other) const
+        { QSet<T> result = *this; result |= other; return result; }
+    inline QSet<T> operator&(const QSet<T> &other) const
+        { QSet<T> result = *this; result &= other; return result; }
+    inline QSet<T> operator+(const QSet<T> &other) const
+        { QSet<T> result = *this; result += other; return result; }
+    inline QSet<T> operator-(const QSet<T> &other) const
+        { QSet<T> result = *this; result -= other; return result; }
+#if QT_VERSION < 0x050000
+    // ### Qt 5: remove
+    inline QSet<T> operator|(const QSet<T> &other)
+        { QSet<T> result = *this; result |= other; return result; }
+    inline QSet<T> operator&(const QSet<T> &other)
+        { QSet<T> result = *this; result &= other; return result; }
+    inline QSet<T> operator+(const QSet<T> &other)
+        { QSet<T> result = *this; result += other; return result; }
+    inline QSet<T> operator-(const QSet<T> &other)
+        { QSet<T> result = *this; result -= other; return result; }
+#endif
+
+    QList<T> toList() const;
+    inline QList<T> values() const { return toList(); }
+
+    static QSet<T> fromList(const QList<T> &list);
+
+private:
+    Hash q_hash;
+};
+
+template <class T>
+Q_INLINE_TEMPLATE void QSet<T>::reserve(int asize) { q_hash.reserve(asize); }
+
+template <class T>
+Q_INLINE_TEMPLATE QSet<T> &QSet<T>::unite(const QSet<T> &other)
+{
+    QSet<T> copy(other);
+    typename QSet<T>::const_iterator i = copy.constEnd();
+    while (i != copy.constBegin()) {
+        --i;
+        insert(*i);
+    }
+    return *this;
+}
+
+template <class T>
+Q_INLINE_TEMPLATE QSet<T> &QSet<T>::intersect(const QSet<T> &other)
+{
+    QSet<T> copy1(*this);
+    QSet<T> copy2(other);
+    typename QSet<T>::const_iterator i = copy1.constEnd();
+    while (i != copy1.constBegin()) {
+        --i;
+        if (!copy2.contains(*i))
+            remove(*i);
+    }
+    return *this;
+}
+
+template <class T>
+Q_INLINE_TEMPLATE QSet<T> &QSet<T>::subtract(const QSet<T> &other)
+{
+    QSet<T> copy1(*this);
+    QSet<T> copy2(other);
+    typename QSet<T>::const_iterator i = copy1.constEnd();
+    while (i != copy1.constBegin()) {
+        --i;
+        if (copy2.contains(*i))
+            remove(*i);
+    }
+    return *this;
+}
+
+template <class T>
+Q_INLINE_TEMPLATE bool QSet<T>::contains(const QSet<T> &other) const
+{
+    typename QSet<T>::const_iterator i = other.constBegin();
+    while (i != other.constEnd()) {
+        if (!contains(*i))
+            return false;
+        ++i;
+    }
+    return true;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE QList<T> QSet<T>::toList() const
+{
+    QList<T> result;
+    typename QSet<T>::const_iterator i = constBegin();
+    while (i != constEnd()) {
+        result.append(*i);
+        ++i;
+    }
+    return result;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE QSet<T> QList<T>::toSet() const
+{
+    QSet<T> result;
+    result.reserve(size());
+    for (int i = 0; i < size(); ++i)
+        result.insert(at(i));
+    return result;
+}
+
+template <typename T>
+QSet<T> QSet<T>::fromList(const QList<T> &list)
+{
+    return list.toSet();
+}
+
+template <typename T>
+QList<T> QList<T>::fromSet(const QSet<T> &set)
+{
+    return set.toList();
+}
+
+Q_DECLARE_SEQUENTIAL_ITERATOR(Set)
+
+template <typename T>
+class QMutableSetIterator
+{
+    typedef typename QSet<T>::iterator iterator;
+    QSet<T> *c;
+    iterator i, n;
+    inline bool item_exists() const { return n != c->constEnd(); }
+
+public:
+    inline QMutableSetIterator(QSet<T> &container)
+        : c(&container)
+    { c->setSharable(false); i = c->begin(); n = c->end(); }
+    inline ~QMutableSetIterator()
+    { c->setSharable(true); }
+    inline QMutableSetIterator &operator=(QSet<T> &container)
+    { c->setSharable(true); c = &container; c->setSharable(false);
+      i = c->begin(); n = c->end(); return *this; }
+    inline void toFront() { i = c->begin(); n = c->end(); }
+    inline void toBack() { i = c->end(); n = i; }
+    inline bool hasNext() const { return c->constEnd() != i; }
+    inline const T &next() { n = i++; return *n; }
+    inline const T &peekNext() const { return *i; }
+    inline bool hasPrevious() const { return c->constBegin() != i; }
+    inline const T &previous() { n = --i; return *n; }
+    inline const T &peekPrevious() const { iterator p = i; return *--p; }
+    inline void remove()
+    { if (c->constEnd() != n) { i = c->erase(n); n = c->end(); } }
+    inline const T &value() const { Q_ASSERT(item_exists()); return *n; }
+    inline bool findNext(const T &t)
+    { while (c->constEnd() != (n = i)) if (*i++ == t) return true; return false; }
+    inline bool findPrevious(const T &t)
+    { while (c->constBegin() != i) if (*(n = --i) == t) return true;
+      n = c->end(); return false;  }
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSET_H
diff --git a/src/corelib/tools/qshareddata.cpp b/src/corelib/tools/qshareddata.cpp
new file mode 100644
index 0000000000..2b879ea7e4
--- /dev/null
+++ b/src/corelib/tools/qshareddata.cpp
@@ -0,0 +1,550 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qshareddata.h>
+
+QT_BEGIN_NAMESPACE
+
+/*! 
+  \class QSharedData
+  \brief The QSharedData class is a base class for shared data objects.
+  \reentrant
+  \ingroup misc
+
+  QSharedData is designed to be used with QSharedDataPointer or
+  QExplicitlySharedDataPointer to implement custom \l{implicitly
+  shared} or \l {explicitly shared} classes. QSharedData provides
+  \l{thread-safe} reference counting.
+
+ See QSharedDataPointer and QExplicitlySharedDataPointer for details.
+*/
+
+/*! \fn QSharedData::QSharedData()
+  Constructs a QSharedData object with a reference count of 0.
+*/
+
+/*! \fn QSharedData::QSharedData(const QSharedData& other)
+  Constructs a QSharedData object with reference count 0.
+  \a other is ignored.
+*/
+
+/*! 
+  \class QSharedDataPointer
+  \brief The QSharedDataPointer class represents a pointer to an implicitly shared object.
+  \since 4.0
+  \reentrant
+  \ingroup misc
+  \mainclass
+
+  QSharedDataPointer\<T\> makes writing your own \l {implicitly
+  shared} classes easy. QSharedDataPointer implements \l {thread-safe}
+  reference counting, ensuring that adding QSharedDataPointers to your
+  \l {reentrant} classes won't make them non-reentrant.
+
+  \l {Implicit sharing} is used by many Qt classes to combine the
+  speed and memory efficiency of pointers with the ease of use of
+  classes. See the \l{Shared Classes} page for more information.
+
+  \target Employee example
+  Suppose you want to make an \c Employee class implicitly shared. The
+  procedure is:
+
+  \list
+
+  \o Define the class \c Employee to have a single data member of
+     type \c {QSharedDataPointer<EmployeeData>}.
+
+  \o Define the \c EmployeeData class derived from \l QSharedData to
+     contain all the data members you would normally have put in the
+     \c Employee class.
+
+  \endlist
+
+  To show this in practice, we review the source code for the
+  implicitly shared \c Employee class. In the header file we define the
+  two classes \c Employee and \c EmployeeData.
+
+  \snippet doc/src/snippets/sharedemployee/employee.h 0
+
+  In class \c Employee, note the single data member, a \e {d pointer}
+  of type \c {QSharedDataPointer<EmployeeData>}. All accesses of
+  employee data must go through the \e {d pointer's} \c
+  {operator->()}.  For write accesses, \c {operator->()} will
+  automatically call detach(), which creates a copy of the shared data
+  object if the shared data object's reference count is greater than
+  1. This ensures that writes to one \c Employee object don't affect
+  any other \c Employee objects that share the same \c EmployeeData
+  object.
+
+  Class \c EmployeeData inherits QSharedData, which provides the
+  \e{behind the scenes} reference counter. \c EmployeeData has a default
+  constructor, a copy constructor, and a destructor. Normally, trivial
+  implementations of these are all that is needed in the \e {data}
+  class for an implicitly shared class.
+
+  Implementing the two constructors for class \c Employee is also
+  straightforward. Both create a new instance of \c EmployeeData
+  and assign it to the \e{d pointer} .
+
+  \snippet doc/src/snippets/sharedemployee/employee.h 1
+  \codeline
+  \snippet doc/src/snippets/sharedemployee/employee.h 2
+
+  Note that class \c Employee also has a trivial copy constructor
+  defined, which is not strictly required in this case.
+  
+  \snippet doc/src/snippets/sharedemployee/employee.h 7
+
+  The copy constructor is not strictly required here, because class \c
+  EmployeeData is included in the same file as class \c Employee
+  (\c{employee.h}). However, including the private subclass of
+  QSharedData in the same file as the public class containing the
+  QSharedDataPointer is not typical. Normally, the idea is to hide the
+  private subclass of QSharedData from the user by putting it in a
+  separate file which would not be included in the public file. In
+  this case, we would normally put class \c EmployeeData in a separate
+  file, which would \e{not} be included in \c{employee.h}. Instead, we
+  would just predeclare the private subclass \c EmployeeData in \c
+  {employee.h} this way:
+
+  \code
+  class EmployeeData;
+  \endcode
+
+  If we had done it that way here, the copy constructor shown would be
+  required. Since the copy constructor is trivial, you might as well
+  just always include it.
+
+  Behind the scenes, QSharedDataPointer automatically increments the
+  reference count whenever an \c Employee object is copied, assigned,
+  or passed as a parameter. It decrements the reference count whenever
+  an \c Employee object is deleted or goes out of scope.  The shared
+  \c EmployeeData object is deleted automatically if and when the
+  reference count reaches 0.
+
+  In a non-const member function of \c Employee, whenever the \e {d
+  pointer} is dereferenced, QSharedDataPointer automatically calls
+  detach() to ensure that the function operates on its own copy of the
+  data.
+
+  \snippet doc/src/snippets/sharedemployee/employee.h 3
+  \codeline
+  \snippet doc/src/snippets/sharedemployee/employee.h 4
+
+  Note that if detach() is called more than once in a member function
+  due to multiple dereferences of the \e {d pointer}, detach() will
+  only create a copy of the shared data the first time it is called,
+  if at all, because on the second and subsequent calls of detach(),
+  the reference count will be 1 again.
+
+  But note that in the second \c Employee constructor, which takes an
+  employee ID and a name, both setId() and setName() are called, but
+  they don't cause \e{copy on write}, because the reference count for
+  the newly constructed \c EmployeeData object has just been set to 1.
+
+  In \c Employee's \e const member functions, dereferencing the \e {d
+  pointer} does \e not cause detach() to be called.
+
+  \snippet doc/src/snippets/sharedemployee/employee.h 5
+  \codeline
+  \snippet doc/src/snippets/sharedemployee/employee.h 6
+
+  Notice that there is no need to implement a copy constructor or an
+  assignment operator for the \c Employee class, because the copy
+  constructor and assignment operator provided by the C++ compiler
+  will do the \e{member by member} shallow copy required. The only
+  member to copy is the \e {d pointer}, which is a QSharedDataPointer,
+  whose \c {operator=()} just increments the reference count of the
+  shared \c EmployeeData object.
+
+  \target Implicit vs Explicit Sharing
+  \section1 Implicit vs Explicit Sharing
+
+  Implicit sharing might not be right for the \c Employee class.
+  Consider a simple example that creates two instances of the
+  implicitly shared \c Employee class.
+
+  \snippet doc/src/snippets/sharedemployee/main.cpp 0
+
+  After the second employee e2 is created and e1 is assigned to it,
+  both \c e1 and \c e2 refer to Albrecht Durer, employee 1001. Both \c
+  Employee objects point to the same instance of \c EmployeeData,
+  which has reference count 2. Then \c {e1.setName("Hans Holbein")} is
+  called to change the employee name, but because the reference count
+  is greater than 1, a \e{copy on write} is performed before the name
+  is changed. Now \c e1 and \c e2 point to different \c EmployeeData
+  objects. They have different names, but both have ID 1001, which is
+  probably not what you want. You can, of course, just continue with
+  \c {e1.setId(1002)}, if you really mean to create a second, unique
+  employee, but if you only want to change the employee's name
+  everywhere, consider using \l {QExplicitlySharedDataPointer}
+  {explicit sharing} in the \c Employee class instead of implicit
+  sharing.
+
+  If you declare the \e {d pointer} in the \c Employee class to be
+  \c {QExplicitlySharedDataPointer<EmployeeData>}, then explicit
+  sharing is used and \e{copy on write} operations are not performed
+  automatically (i.e. detach() is not called in non-const
+  functions). In that case, after \c {e1.setName("Hans Holbein")}, the
+  employee's name has been changed, but both e1 and e2 still refer to
+  the same instance of \c EmployeeData, so there is only one employee
+  with ID 1001.
+
+  In the member function documentation, \e{d pointer} always refers
+  to the internal pointer to the shared data object.
+
+  \sa QSharedData, QExplicitlySharedDataPointer
+*/
+
+/*! \fn T& QSharedDataPointer::operator*()
+  Provides access to the shared data object's members.
+  This function calls detach().
+*/
+
+/*! \fn const T& QSharedDataPointer::operator*() const
+  Provides const access to the shared data object's members.
+  This function does \e not call detach().
+*/
+
+/*! \fn T* QSharedDataPointer::operator->()
+  Provides access to the shared data object's members.
+  This function calls detach().
+*/
+
+/*! \fn const T* QSharedDataPointer::operator->() const
+  Provides const access to the shared data object's members.
+  This function does \e not call detach().
+*/
+
+/*! \fn QSharedDataPointer::operator T*()
+  Returns a pointer to the shared data object.
+  This function calls detach().
+
+  \sa data(), constData()
+*/
+
+/*! \fn QSharedDataPointer::operator const T*() const
+  Returns a pointer to the shared data object.
+  This function does \e not call detach().
+*/
+
+/*! \fn T* QSharedDataPointer::data()
+  Returns a pointer to the shared data object.
+  This function calls detach().
+
+  \sa constData()
+*/
+
+/*! \fn const T* QSharedDataPointer::data() const
+  Returns a pointer to the shared data object.
+  This function does \e not call detach().
+*/
+
+/*! \fn const T* QSharedDataPointer::constData() const
+  Returns a const pointer to the shared data object.
+  This function does \e not call detach().
+
+  \sa data()
+*/
+
+/*! \fn bool QSharedDataPointer::operator==(const QSharedDataPointer<T>& other) const
+  Returns true if \a other and \e this have the same \e{d pointer}.
+  This function does \e not call detach().
+*/
+
+/*! \fn bool QSharedDataPointer::operator!=(const QSharedDataPointer<T>& other) const
+  Returns true if \a other and \e this do \e not have the same
+  \e{d pointer}. This function does \e not call detach().
+*/
+
+/*! \fn QSharedDataPointer::QSharedDataPointer()
+  Constructs a QSharedDataPointer initialized with a null \e{d pointer}.
+*/
+
+/*! \fn QSharedDataPointer::~QSharedDataPointer()
+  Decrements the reference count of the shared data object.
+  If the reference count becomes 0, the shared data object
+  is deleted. \e This is then destroyed.
+*/
+
+/*! \fn QSharedDataPointer::QSharedDataPointer(T* sharedData)
+  Constructs a QSharedDataPointer with \e{d pointer} set to
+  \a sharedData and increments \a{sharedData}'s reference count.
+*/
+
+/*! \fn QSharedDataPointer::QSharedDataPointer(const QSharedDataPointer<T>& other)
+  Sets the \e{d pointer} of \e this to the \e{d pointer} in
+  \a other and increments the reference count of the shared
+  data object.
+*/
+
+/*! \fn QSharedDataPointer<T>& QSharedDataPointer::operator=(const QSharedDataPointer<T>& other)
+  Sets the \e{d pointer} of \e this to the \e{d pointer} of
+  \a other and increments the reference count of the shared
+  data object. The reference count of the old shared data
+  object of \e this is decremented.  If the reference count
+  of the old shared data object becomes 0, the old shared
+  data object is deleted.
+*/
+
+/*! \fn QSharedDataPointer& QSharedDataPointer::operator=(T* sharedData)
+  Sets the \e{d pointer} og \e this to \a sharedData and increments
+  \a{sharedData}'s reference count. The reference count of the old
+  shared data object of \e this is decremented.  If the reference
+  count of the old shared data object becomes 0, the old shared data
+  object is deleted.
+*/
+
+/*! \fn bool QSharedDataPointer::operator!() const
+  Returns true if the \e{d pointer} of \e this is null.
+*/
+
+/*! \fn void QSharedDataPointer::detach()
+  If the shared data object's reference count is greater than 1, this
+  function creates a deep copy of the shared data object and sets the
+  \e{d pointer} of \e this to the copy.
+  
+  This function is called automatically by non-const member
+  functions of QSharedDataPointer if \e{copy on write} is
+  required. You don't need to call it yourself.
+*/
+
+/*! \fn T *QSharedDataPointer::clone()
+    \since 4.5
+
+  Creates and returns a deep copy of the current data. This function
+  is called by detach() when the reference count is greater than 1 in
+  order to create the new copy. This function uses the \e {operator
+  new} and calls the copy constructor of the type T.
+
+  This function is provided so that you may support "virtual copy
+  constructors" for your own types. In order to so, you should declare
+  a template-specialization of this function for your own type, like
+  the example below:
+
+  \code
+      template<>
+      EmployeeData *QSharedDataPointer<EmployeeData>::clone()
+      {
+          return d->clone();
+      }
+  \endcode
+
+  In the example above, the template specialization for the clone()
+  function calls the \e {EmployeeData::clone()} virtual function. A
+  class derived from EmployeeData could override that function and
+  return the proper polymorphic type.
+*/
+
+/*! 
+  \class QExplicitlySharedDataPointer
+  \brief The QExplicitlySharedDataPointer class represents a pointer to an explicitly shared object.
+  \since 4.4
+  \reentrant
+  \ingroup misc
+  \mainclass
+
+  QExplicitlySharedDataPointer\<T\> makes writing your own explicitly
+  shared classes easy. QExplicitlySharedDataPointer implements
+  \l {thread-safe} reference counting, ensuring that adding
+  QExplicitlySharedDataPointers to your \l {reentrant} classes won't
+  make them non-reentrant.
+
+  Except for one big difference, QExplicitlySharedDataPointer is just
+  like QSharedDataPointer. The big difference is that member functions
+  of QExplicitlySharedDataPointer \e{do not} do the automatic
+  \e{copy on write} operation (detach()) that non-const members of
+  QSharedDataPointer do before allowing the shared data object to be
+  modified. There is a detach() function available, but if you really
+  want to detach(), you have to call it yourself. This means that
+  QExplicitlySharedDataPointers behave like regular C++ pointers,
+  except that by doing reference counting and not deleting the shared
+  data object until the reference count is 0, they avoid the dangling
+  pointer problem.
+
+  It is instructive to compare QExplicitlySharedDataPointer with
+  QSharedDataPointer by way of an example. Consider the \l {Employee
+  example} in QSharedDataPointer, modified to use explicit sharing as
+  explained in the discussion \l {Implicit vs Explicit Sharing}.
+
+  Note that if you use this class but find you are calling detach() a
+  lot, you probably should be using QSharedDataPointer instead.
+
+  In the member function documentation, \e{d pointer} always refers
+  to the internal pointer to the shared data object.
+
+  \sa QSharedData, QSharedDataPointer
+*/
+
+/*! \fn T& QExplicitlySharedDataPointer::operator*() const
+  Provides access to the shared data object's members.
+*/
+
+/*! \fn T* QExplicitlySharedDataPointer::operator->()
+  Provides access to the shared data object's members.
+*/
+
+/*! \fn const T* QExplicitlySharedDataPointer::operator->() const
+  Provides const access to the shared data object's members.
+*/
+
+/*! \fn T* QExplicitlySharedDataPointer::data() const
+  Returns a pointer to the shared data object.
+*/
+
+/*! \fn const T* QExplicitlySharedDataPointer::constData() const
+  Returns a const pointer to the shared data object.
+
+  \sa data()
+*/
+
+/*! \fn bool QExplicitlySharedDataPointer::operator==(const QExplicitlySharedDataPointer<T>& other) const
+  Returns true if \a other and \e this have the same \e{d pointer}.
+*/
+
+/*! \fn bool QExplicitlySharedDataPointer::operator==(const T* ptr) const
+  Returns true if the \e{d pointer} of \e this is \a ptr.
+ */
+
+/*! \fn bool QExplicitlySharedDataPointer::operator!=(const QExplicitlySharedDataPointer<T>& other) const
+  Returns true if \a other and \e this do \e not have the same
+  \e{d pointer}.
+*/
+
+/*! \fn bool QExplicitlySharedDataPointer::operator!=(const T* ptr) const
+  Returns true if the \e{d pointer} of \e this is \e not \a ptr.
+ */
+
+/*! \fn QExplicitlySharedDataPointer::QExplicitlySharedDataPointer()
+  Constructs a QExplicitlySharedDataPointer initialized with a null
+  \e{d pointer}.
+*/
+
+/*! \fn QExplicitlySharedDataPointer::~QExplicitlySharedDataPointer()
+  Decrements the reference count of the shared data object.
+  If the reference count becomes 0, the shared data object
+  is deleted. \e This is then destroyed.
+*/
+
+/*! \fn QExplicitlySharedDataPointer::QExplicitlySharedDataPointer(T* sharedData)
+  Constructs a QExplicitlySharedDataPointer with \e{d pointer}
+  set to \a sharedData and increments \a{sharedData}'s reference
+  count.
+*/
+
+/*! \fn QExplicitlySharedDataPointer::QExplicitlySharedDataPointer(const QExplicitlySharedDataPointer<T>& other)
+  This standard copy constructor sets the \e {d pointer} of \e this to
+  the \e {d pointer} in \a other and increments the reference count of
+  the shared data object.
+*/
+
+/*! \fn QExplicitlySharedDataPointer::QExplicitlySharedDataPointer(const QExplicitlySharedDataPointer<X>& other)
+  This copy constructor is different in that it allows \a other to be
+  a different type of explicitly shared data pointer but one that has
+  a compatible shared data object. It performs a static cast of the
+  \e{d pointer} in \a other and sets the \e {d pointer} of \e this to
+  the converted \e{d pointer}. It increments the reference count of
+  the shared data object.
+ */
+
+/*! \fn QExplicitlySharedDataPointer<T>& QExplicitlySharedDataPointer::operator=(const QExplicitlySharedDataPointer<T>& other)
+  Sets the \e{d pointer} of \e this to the \e{d pointer} of
+  \a other and increments the reference count of the shared
+  data object. The reference count of the old shared data
+  object of \e this is decremented.  If the reference count
+  of the old shared data object becomes 0, the old shared
+  data object is deleted.
+*/
+
+/*! \fn QExplicitlySharedDataPointer& QExplicitlySharedDataPointer::operator=(T* sharedData)
+  Sets the \e{d pointer} of \e this to \a sharedData and
+  increments \a{sharedData}'s reference count. The reference
+  count of the old shared data object of \e this is decremented.
+  If the reference count of the old shared data object becomes
+  0, the old shared data object is deleted.
+*/
+
+/*! \fn void QExplicitlySharedDataPointer::reset()
+  Resets \e this to be null. i.e., this function sets the
+  \e{d pointer} of \e this to 0, but first it decrements
+  the reference count of the shared data object and deletes
+  the shared data object if the reference count became 0.
+ */
+
+/*! \fn QExplicitlySharedDataPointer::operator bool () const
+  Returns true if the \e{d pointer} of \e this is \e not null.
+ */
+
+/*! \fn bool QExplicitlySharedDataPointer::operator!() const
+  Returns true if the \e{d pointer} of \e this is null.
+*/
+
+/*! \fn void QExplicitlySharedDataPointer::detach()
+  If the shared data object's reference count is greater than 1, this
+  function creates a deep copy of the shared data object and sets the
+  \e{d pointer} of \e this to the copy.
+
+  Because QExplicitlySharedDataPointer does not do the automatic
+  \e{copy on write} operations that members of QSharedDataPointer do,
+  detach() is \e not called automatically anywhere in the member
+  functions of this class. If you find that you are calling detach()
+  everywhere in your code, consider using QSharedDataPointer instead.
+*/
+
+/*! \fn T *QExplicitlySharedDataPointer::clone()
+    \since 4.5
+
+  Creates and returns a deep copy of the current data. This function
+  is called by detach() when the reference count is greater than 1 in
+  order to create the new copy. This function uses the \e {operator
+  new} and calls the copy constructor of the type T.
+
+  See QSharedDataPointer::clone() for an explanation of how to use it.
+*/
+
+/*!
+ \typedef QExplicitlySharedDataPointer::Type
+
+ This is the type of the shared data object. The \e{d pointer}
+ points to an object of this type.
+ */
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qshareddata.h b/src/corelib/tools/qshareddata.h
new file mode 100644
index 0000000000..875560d2f4
--- /dev/null
+++ b/src/corelib/tools/qshareddata.h
@@ -0,0 +1,242 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSHAREDDATA_H
+#define QSHAREDDATA_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qatomic.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <class T> class QSharedDataPointer;
+
+class Q_CORE_EXPORT QSharedData
+{
+public:
+    mutable QAtomicInt ref;
+
+    inline QSharedData() : ref(0) { }
+    inline QSharedData(const QSharedData &) : ref(0) { }
+
+private:
+    // using the assignment operator would lead to corruption in the ref-counting
+    QSharedData &operator=(const QSharedData &);
+};
+
+template <class T> class QSharedDataPointer
+{
+public:
+    inline void detach() { if (d && d->ref != 1) detach_helper(); }
+    inline T &operator*() { detach(); return *d; }
+    inline const T &operator*() const { return *d; }
+    inline T *operator->() { detach(); return d; }
+    inline const T *operator->() const { return d; }
+    inline operator T *() { detach(); return d; }
+    inline operator const T *() const { return d; }
+    inline T *data() { detach(); return d; }
+    inline const T *data() const { return d; }
+    inline const T *constData() const { return d; }
+
+    inline bool operator==(const QSharedDataPointer<T> &other) const { return d == other.d; }
+    inline bool operator!=(const QSharedDataPointer<T> &other) const { return d != other.d; }
+
+    inline QSharedDataPointer() { d = 0; }
+    inline ~QSharedDataPointer() { if (d && !d->ref.deref()) delete d; }
+
+    explicit QSharedDataPointer(T *data);
+    inline QSharedDataPointer(const QSharedDataPointer<T> &o) : d(o.d) { if (d) d->ref.ref(); }
+    inline QSharedDataPointer<T> & operator=(const QSharedDataPointer<T> &o) {
+        if (o.d != d) {
+            if (o.d)
+                o.d->ref.ref();
+            if (d && !d->ref.deref())
+                delete d;
+            d = o.d;
+        }
+        return *this;
+    }
+    inline QSharedDataPointer &operator=(T *o) {
+        if (o != d) {
+            if (o)
+                o->ref.ref();
+            if (d && !d->ref.deref())
+                delete d;
+            d = o;
+        }
+        return *this;
+    }
+
+    inline bool operator!() const { return !d; }
+
+protected:
+    T *clone();
+
+private:
+    void detach_helper();
+
+    T *d;
+};
+
+template <class T> class QExplicitlySharedDataPointer
+{
+public:
+    typedef T Type;
+
+    inline T &operator*() const { return *d; }
+    inline T *operator->() { return d; }
+    inline T *operator->() const { return d; }
+    inline T *data() const { return d; }
+    inline const T *constData() const { return d; }
+
+    inline void detach() { if (d && d->ref != 1) detach_helper(); }
+
+    inline void reset()
+    {
+        if(d && !d->ref.deref())
+            delete d;
+
+        d = 0;
+    }
+
+    inline operator bool () const { return d != 0; }
+
+    inline bool operator==(const QExplicitlySharedDataPointer<T> &other) const { return d == other.d; }
+    inline bool operator!=(const QExplicitlySharedDataPointer<T> &other) const { return d != other.d; }
+    inline bool operator==(const T *ptr) const { return d == ptr; }
+    inline bool operator!=(const T *ptr) const { return d != ptr; }
+
+    inline QExplicitlySharedDataPointer() { d = 0; }
+    inline ~QExplicitlySharedDataPointer() { if (d && !d->ref.deref()) delete d; }
+
+    explicit QExplicitlySharedDataPointer(T *data);
+    inline QExplicitlySharedDataPointer(const QExplicitlySharedDataPointer<T> &o) : d(o.d) { if (d) d->ref.ref(); }
+
+#ifndef QT_NO_MEMBER_TEMPLATES
+    template<class X>
+    inline QExplicitlySharedDataPointer(const QExplicitlySharedDataPointer<X> &o) : d(static_cast<T *>(o.data()))
+    {
+        if(d)
+            d->ref.ref();
+    }
+#endif
+
+    inline QExplicitlySharedDataPointer<T> & operator=(const QExplicitlySharedDataPointer<T> &o) {
+        if (o.d != d) {
+            if (o.d)
+                o.d->ref.ref();
+            if (d && !d->ref.deref())
+                delete d;
+            d = o.d;
+        }
+        return *this;
+    }
+    inline QExplicitlySharedDataPointer &operator=(T *o) {
+        if (o != d) {
+            if (o)
+                o->ref.ref();
+            if (d && !d->ref.deref())
+                delete d;
+            d = o;
+        }
+        return *this;
+    }
+
+    inline bool operator!() const { return !d; }
+
+protected:
+    T *clone();
+
+private:
+    void detach_helper();
+
+    T *d;
+};
+
+template <class T>
+Q_INLINE_TEMPLATE QSharedDataPointer<T>::QSharedDataPointer(T *adata) : d(adata)
+{ if (d) d->ref.ref(); }
+
+template <class T>
+Q_INLINE_TEMPLATE T *QSharedDataPointer<T>::clone()
+{
+    return new T(*d);
+}
+
+template <class T>
+Q_OUTOFLINE_TEMPLATE void QSharedDataPointer<T>::detach_helper()
+{
+    T *x = clone();
+    x->ref.ref();
+    if (!d->ref.deref())
+        delete d;
+    d = x;
+}
+
+template <class T>
+Q_INLINE_TEMPLATE T *QExplicitlySharedDataPointer<T>::clone()
+{
+    return new T(*d);
+}
+
+template <class T>
+Q_OUTOFLINE_TEMPLATE void QExplicitlySharedDataPointer<T>::detach_helper()
+{
+    T *x = clone();
+    x->ref.ref();
+    if (!d->ref.deref())
+        delete d;
+    d = x;
+}
+
+template <class T>
+Q_INLINE_TEMPLATE QExplicitlySharedDataPointer<T>::QExplicitlySharedDataPointer(T *adata) : d(adata)
+{ if (d) d->ref.ref(); }
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSHAREDDATA_H
diff --git a/src/corelib/tools/qsharedpointer.cpp b/src/corelib/tools/qsharedpointer.cpp
new file mode 100644
index 0000000000..d8a9923e6d
--- /dev/null
+++ b/src/corelib/tools/qsharedpointer.cpp
@@ -0,0 +1,868 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsharedpointer.h"
+
+// to be sure we aren't causing a namespace clash:
+#include "qshareddata.h"
+
+/*!
+    \class QSharedPointer
+    \brief The QSharedPointer class holds a strong reference to a shared pointer
+    \since 4.5
+
+    \reentrant
+    \ingroup misc
+
+    The QSharedPointer is an automatic, shared pointer in C++. It
+    behaves exactly like a normal pointer for normal purposes,
+    including respect for constness.
+
+    QSharedPointer will delete the pointer it is holding when it goes
+    out of scope, provided no other QSharedPointer objects are
+    referencing it.
+
+    A QSharedPointer object can be created from a normal pointer,
+    another QSharedPointer object or by promoting a
+    QWeakPointer object to a strong reference.
+
+    \section1 Thread-Safety
+
+    QSharedPointer and QWeakPointer are thread-safe and operate
+    atomically on the pointer value. Different threads can also access
+    the same QSharedPointer or QWeakPointer object at the same time
+    without need for locking mechanisms.
+
+    It should be noted that, while the pointer value can be accessed
+    in this manner, QSharedPointer and QWeakPointer provide no
+    guarantee about the object being pointed to. Thread-safety and
+    reentrancy rules for that object still apply.
+
+    \section1 Other Pointer Classes
+
+    Qt also provides two other pointer wrapper classes: QPointer and
+    QSharedDataPointer. They are incompatible with one another, since
+    each has its very different use case.
+
+    QSharedPointer holds a shared pointer by means of an external
+    reference count (i.e., a reference counter placed outside the
+    object). Like its name indicates, the pointer value is shared
+    among all instances of QSharedPointer and QWeakPointer. The
+    contents of the object pointed to by the pointer should not
+    considered shared, however: there is only one object. For that
+    reason, QSharedPointer does not provide a way to detach or make
+    copies of the pointed object.
+
+    QSharedDataPointer, on the other hand, holds a pointer to shared
+    data (i.e., a class derived from QSharedData). It does so by means
+    of an internal reference count, placed in the QSharedData base
+    class. This class can, therefore, detach based on the type of
+    access made to the data being guarded: if it's a non-const access,
+    it creates a copy atomically for the operation to complete.
+
+    QExplicitlySharedDataPointer behaves like QSharedDataPointer,
+    except that it only detaches if
+    QExplicitlySharedDataPointer::detach() is explicitly called.
+
+    Finally, QPointer holds a pointer to a QObject-derived object, but
+    it does so weakly. QPointer is similar, in that behaviour, to
+    QWeakPointer: it does not allow you to prevent the object from
+    being destroyed. All you can do is query whether it has been
+    destroyed or not.
+
+    \sa QSharedDataPointer, QWeakPointer
+*/
+
+/*!
+    \class QWeakPointer
+    \brief The QWeakPointer class holds a weak reference to a shared pointer
+    \since 4.5
+    \reentrant
+    \ingroup misc
+
+    The QWeakPointer is an automatic weak reference to a
+    pointer in C++. It cannot be used to dereference the pointer
+    directly, but it can be used to verify if the pointer has been
+    deleted or not in another context.
+
+    QWeakPointer objects can only be created by assignment
+    from a QSharedPointer.
+
+    To access the pointer that QWeakPointer is tracking, you
+    must first create a QSharedPointer object and verify if the pointer
+    is null or not.
+
+    \sa QSharedPointer
+*/
+
+/*!
+    \fn QSharedPointer::QSharedPointer()
+
+    Creates a QSharedPointer that points to null (0).
+*/
+
+/*!
+    \fn QSharedPointer::~QSharedPointer()
+
+    Destroys this QSharedPointer object. If it is the last reference to
+    the pointer stored, this will delete the pointer as well.
+*/
+
+/*!
+    \fn QSharedPointer::QSharedPointer(T *ptr)
+
+    Creates a QSharedPointer that points to \a ptr. The pointer \a ptr
+    becomes managed by this QSharedPointer and must not be passed to
+    another QSharedPointer object or deleted outside this object.
+*/
+
+/*!
+    \fn QSharedPointer::QSharedPointer(T *ptr, Deleter deleter)
+
+    Creates a QSharedPointer that points to \a ptr. The pointer \a ptr
+    becomes managed by this QSharedPointer and must not be passed to
+    another QSharedPointer object or deleted outside this object.
+
+    The \a deleter paramter specifies the custom deleter for this
+    object. The custom deleter is called when the strong reference
+    count drops to 0 instead of the operator delete(). This is useful,
+    for instance, for calling deleteLater() in a QObject instead:
+
+    \code
+    static void doDeleteLater(MyObject *obj)
+    {
+        obj->deleteLater();
+    }
+
+    void otherFunction()
+    {
+        QSharedPointer<MyObject> obj =
+            QSharedPointer<MyObject>(new MyObject, doDeleteLater);
+
+        // continue using obj
+        obj.clear();    // calls obj->deleteLater();
+    }
+    \endcode
+
+    It is also possible to specify a member function directly, as in:
+    \code
+        QSharedPointer<MyObject> obj =
+            QSharedPointer<MyObject>(new MyObject, &QObject::deleteLater);
+    \endcode
+
+    \sa clear()
+*/
+
+/*!
+    \fn QSharedPointer::QSharedPointer(const QSharedPointer<T> &other)
+
+    Creates a QSharedPointer object that shares \a other's pointer.
+
+    If \tt T is a derived type of the template parameter of this class,
+    QSharedPointer will perform an automatic cast. Otherwise, you will
+    get a compiler error.
+*/
+
+/*!
+    \fn QSharedPointer::QSharedPointer(const QWeakPointer<T> &other)
+
+    Creates a QSharedPointer by promoting the weak reference \a other
+    to strong reference and sharing its pointer.
+
+    If \tt T is a derived type of the template parameter of this
+    class, QSharedPointer will perform an automatic cast. Otherwise,
+    you will get a compiler error.
+*/
+
+/*!
+    \fn QSharedPointer &QSharedPointer::operator=(const QSharedPointer<T> &other)
+
+    Makes this object share \a other's pointer. The current pointer
+    reference is discarded and, if it was the last, the pointer will
+    be deleted.
+
+    If \tt T is a derived type of the template parameter of this
+    class, QSharedPointer will perform an automatic cast. Otherwise,
+    you will get a compiler error.
+*/
+
+/*!
+    \fn QSharedPointer &QSharedPointer::operator=(const QWeakPointer<T> &other)
+
+    Promotes \a other to a strong reference and makes this object
+    share a reference to the pointer referenced by it. The current pointer
+    reference is discarded and, if it was the last, the pointer will
+    be deleted.
+
+    If \tt T is a derived type of the template parameter of this
+    class, QSharedPointer will perform an automatic cast. Otherwise,
+    you will get a compiler error.
+*/
+
+/*!
+    \fn T *QSharedPointer::data() const
+
+    Returns the value of the pointer referenced by this object.
+
+    Note: do not delete the pointer returned by this function or pass
+    it to another function that could delete it, including creating
+    QSharedPointer or QWeakPointer objects.
+*/
+
+/*!
+    \fn T &QSharedPointer::operator *() const
+
+    Provides access to the shared pointer's members.
+
+    \sa isNull()
+*/
+
+/*!
+    \fn T *QSharedPointer::operator ->() const
+
+    Provides access to the shared pointer's members.
+
+    \sa isNull()
+*/
+
+/*!
+    \fn bool QSharedPointer::isNull() const
+
+    Returns true if this object is holding a reference to a null
+    pointer.
+*/
+
+/*!
+    \fn QSharedPointer::operator bool() const
+
+    Returns true if this object is not null. This function is suitable
+    for use in \tt if-constructs, like:
+
+    \code
+        if (sharedptr) { ... }
+    \endcode
+
+    \sa isNull()
+*/
+
+/*!
+    \fn bool QSharedPointer::operator !() const
+
+    Returns true if this object is null. This function is suitable
+    for use in \tt if-constructs, like:
+
+    \code
+        if (!sharedptr) { ... }
+    \endcode
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QSharedPointer<X> QSharedPointer::staticCast() const
+
+    Performs a static cast from this pointer's type to \tt X and returns
+    a QSharedPointer that shares the reference. This function can be
+    used for up- and for down-casting, but is more useful for
+    up-casting.
+
+    Note: the template type \c X must have the same const and volatile
+    qualifiers as the template of this object, or the cast will
+    fail. Use constCast() if you need to drop those qualifiers.
+
+    \sa dynamicCast(), constCast(), qSharedPointerCast()
+*/
+
+/*!
+    \fn QSharedPointer<X> QSharedPointer::dynamicCast() const
+
+    Performs a dynamic cast from this pointer's type to \tt X and
+    returns a QSharedPointer that shares the reference. If this
+    function is used to up-cast, then QSharedPointer will perform a \tt
+    dynamic_cast, which means that if the object being pointed by this
+    QSharedPointer is not of type \tt X, the returned object will be
+    null.
+
+    Note: the template type \c X must have the same const and volatile
+    qualifiers as the template of this object, or the cast will
+    fail. Use constCast() if you need to drop those qualifiers.
+
+    \sa qSharedPointerDynamicCast()
+*/
+
+/*!
+    \fn QSharedPointer<X> QSharedPointer::constCast() const
+
+    Performs a \tt const_cast from this pointer's type to \tt X and returns
+    a QSharedPointer that shares the reference. This function can be
+    used for up- and for down-casting, but is more useful for
+    up-casting.
+
+    \sa isNull(), qSharedPointerConstCast()
+*/
+
+/*!
+    \fn QWeakPointer<T> QSharedPointer::toWeakRef() const
+
+    Returns a weak reference object that shares the pointer referenced
+    by this object.
+*/
+
+/*!
+    \fn void QSharedPointer::clear()
+
+    Clears this QSharedPointer object, dropping the reference that it
+    may have had to the pointer. If this was the last reference, then
+    the pointer itself will be deleted.
+*/
+
+/*!
+    \fn QWeakPointer::QWeakPointer()
+
+    Creates a QWeakPointer that points to nothing.
+*/
+
+/*!
+    \fn QWeakPointer::~QWeakPointer()
+
+    Destroys this QWeakPointer object. The pointer referenced
+    by this object will not be deleted.
+*/
+
+/*!
+    \fn QWeakPointer::QWeakPointer(const QWeakPointer<T> &other)
+
+    Creates a QWeakPointer that holds a weak reference to the
+    pointer referenced by \a other.
+
+    If \tt T is a derived type of the template parameter of this
+    class, QWeakPointer will perform an automatic cast. Otherwise,
+    you will get a compiler error.
+*/
+
+/*!
+    \fn QWeakPointer::QWeakPointer(const QSharedPointer<T> &other)
+
+    Creates a QWeakPointer that holds a weak reference to the
+    pointer referenced by \a other.
+
+    If \tt T is a derived type of the template parameter of this
+    class, QWeakPointer will perform an automatic cast. Otherwise,
+    you will get a compiler error.
+*/
+
+/*!
+    \fn QWeakPointer &QWeakPointer::operator=(const QWeakPointer<T> &other)
+
+    Makes this object share \a other's pointer. The current pointer
+    reference is discarded but is not deleted.
+
+    If \tt T is a derived type of the template parameter of this
+    class, QWeakPointer will perform an automatic cast. Otherwise,
+    you will get a compiler error.
+*/
+
+/*!
+    \fn QWeakPointer &QWeakPointer::operator=(const QSharedPointer<T> &other)
+
+    Makes this object share \a other's pointer. The current pointer
+    reference is discarded but is not deleted.
+
+    If \tt T is a derived type of the template parameter of this
+    class, QWeakPointer will perform an automatic cast. Otherwise,
+    you will get a compiler error.
+*/
+
+/*!
+    \fn bool QWeakPointer::isNull() const
+
+    Returns true if this object is holding a reference to a null
+    pointer.
+
+    Note that, due to the nature of weak references, the pointer that
+    QWeakPointer references can become null at any moment, so
+    the value returned from this function can change from false to
+    true from one call to the next.
+*/
+
+/*!
+    \fn QWeakPointer::operator bool() const
+
+    Returns true if this object is not null. This function is suitable
+    for use in \tt if-constructs, like:
+
+    \code
+        if (weakref) { ... }
+    \endcode
+
+    Note that, due to the nature of weak references, the pointer that
+    QWeakPointer references can become null at any moment, so
+    the value returned from this function can change from true to
+    false from one call to the next.
+
+    \sa isNull()
+*/
+
+/*!
+    \fn bool QWeakPointer::operator !() const
+
+    Returns true if this object is null. This function is suitable
+    for use in \tt if-constructs, like:
+
+    \code
+        if (!weakref) { ... }
+    \endcode
+
+    Note that, due to the nature of weak references, the pointer that
+    QWeakPointer references can become null at any moment, so
+    the value returned from this function can change from false to
+    true from one call to the next.
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QSharedPointer<T> QWeakPointer::toStrongRef() const
+
+    Promotes this weak reference to a strong one and returns a
+    QSharedPointer object holding that reference.
+*/
+
+/*!
+    \fn void QWeakPointer::clear()
+
+    Clears this QWeakPointer object, dropping the reference that it
+    may have had to the pointer.
+*/
+
+/*!
+    \fn bool operator==(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2)
+    \relates QSharedPointer
+
+    Returns true if the pointer referenced by \a ptr1 is the
+    same pointer as that referenced by \a ptr2.
+
+    If \a ptr2's template parameter is different from \a ptr1's,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    template parameter is not a base or a derived type from
+    \a ptr1's, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator!=(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2)
+    \relates QSharedPointer
+
+    Returns true if the pointer referenced by \a ptr1 is not the
+    same pointer as that referenced by \a ptr2.
+
+    If \a ptr2's template parameter is different from \a ptr1's,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    template parameter is not a base or a derived type from
+    \a ptr1's, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator==(const QSharedPointer<T> &ptr1, const X *ptr2)
+    \relates QSharedPointer
+
+    Returns true if the pointer referenced by \a ptr1 is the
+    same pointer as \a ptr2.
+
+    If \a ptr2's type is different from \a ptr1's,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    type is not a base or a derived type from this
+    \a ptr1's, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator!=(const QSharedPointer<T> &ptr1, const X *ptr2)
+    \relates QSharedPointer
+
+    Returns true if the pointer referenced by \a ptr1 is not the
+    same pointer as \a ptr2.
+
+    If \a ptr2's type is different from \a ptr1's,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    type is not a base or a derived type from this
+    \a ptr1's, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator==(const T *ptr1, const QSharedPointer<X> &ptr2)
+    \relates QSharedPointer
+
+    Returns true if the pointer \a ptr1 is the
+    same pointer as that referenced by \a ptr2.
+
+    If \a ptr2's template parameter is different from \a ptr1's type,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    template parameter is not a base or a derived type from
+    \a ptr1's type, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator!=(const T *ptr1, const QSharedPointer<X> &ptr2)
+    \relates QSharedPointer
+
+    Returns true if the pointer \a ptr1 is not the
+    same pointer as that referenced by \a ptr2.
+
+    If \a ptr2's template parameter is different from \a ptr1's type,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    template parameter is not a base or a derived type from
+    \a ptr1's type, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator==(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2)
+    \relates QWeakPointer
+
+    Returns true if the pointer referenced by \a ptr1 is the
+    same pointer as that referenced by \a ptr2.
+
+    If \a ptr2's template parameter is different from \a ptr1's,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    template parameter is not a base or a derived type from
+    \a ptr1's, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator!=(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2)
+    \relates QWeakPointer
+
+    Returns true if the pointer referenced by \a ptr1 is not the
+    same pointer as that referenced by \a ptr2.
+
+    If \a ptr2's template parameter is different from \a ptr1's,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    template parameter is not a base or a derived type from
+    \a ptr1's, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator==(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2)
+    \relates QWeakPointer
+
+    Returns true if the pointer referenced by \a ptr1 is the
+    same pointer as that referenced by \a ptr2.
+
+    If \a ptr2's template parameter is different from \a ptr1's,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    template parameter is not a base or a derived type from
+    \a ptr1's, you will get a compiler error.
+*/
+
+/*!
+    \fn bool operator!=(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2)
+    \relates QWeakPointer
+
+    Returns true if the pointer referenced by \a ptr1 is not the
+    same pointer as that referenced by \a ptr2.
+
+    If \a ptr2's template parameter is different from \a ptr1's,
+    QSharedPointer will attempt to perform an automatic \tt static_cast
+    to ensure that the pointers being compared are equal. If \a ptr2's
+    template parameter is not a base or a derived type from
+    \a ptr1's, you will get a compiler error.
+*/
+
+/*!
+    \fn QSharedPointer<X> qSharedPointerCast(const QSharedPointer<T> &other)
+    \relates QSharedPointer
+
+    Returns a shared pointer to the pointer held by \a other, cast to
+    type \tt X.  The types \tt T and \tt X must belong to one
+    hierarchy for the \tt static_cast to succeed.
+
+    Note that \tt X must have the same cv-qualifiers (\tt const and
+    \tt volatile) that \tt T has, or the code will fail to
+    compile. Use qSharedPointerConstCast to cast away the constness.
+
+    \sa QSharedPointer::staticCast(), qSharedPointerDynamicCast(), qSharedPointerConstCast()
+*/
+
+/*!
+    \fn QSharedPointer<X> qSharedPointerCast(const QWeakPointer<T> &other)
+    \relates QSharedPointer
+    \relates QWeakPointer
+
+    Returns a shared pointer to the pointer held by \a other, cast to
+    type \tt X.  The types \tt T and \tt X must belong to one
+    hierarchy for the \tt static_cast to succeed.
+
+    The \a other object is converted first to a strong reference. If
+    that conversion fails (because the object it's pointing to has
+    already been deleted), this function returns a null
+    QSharedPointer.
+
+    Note that \tt X must have the same cv-qualifiers (\tt const and
+    \tt volatile) that \tt T has, or the code will fail to
+    compile. Use qSharedPointerConstCast to cast away the constness.
+
+    \sa QWeakPointer::toStrongRef(), qSharedPointerDynamicCast(), qSharedPointerConstCast()
+*/
+
+/*!
+    \fn QSharedPointer<X> qSharedPointerDynamicCast(const QSharedPointer<T> &other)
+    \relates QSharedPointer
+
+    Returns a shared pointer to the pointer held by \a other, using a
+    dynamic cast to type \tt X to obtain an internal pointer of the
+    appropriate type. If the \tt dynamic_cast fails, the object
+    returned will be null.
+
+    Note that \tt X must have the same cv-qualifiers (\tt const and
+    \tt volatile) that \tt T has, or the code will fail to
+    compile. Use qSharedPointerConstCast to cast away the constness.
+
+    \sa QSharedPointer::dynamicCast(), qSharedPointerCast(), qSharedPointerConstCast()
+*/
+
+/*!
+    \fn QSharedPointer<X> qSharedPointerDynamicCast(const QWeakPointer<T> &other)
+    \relates QSharedPointer
+    \relates QWeakPointer
+
+    Returns a shared pointer to the pointer held by \a other, using a
+    dynamic cast to type \tt X to obtain an internal pointer of the
+    appropriate type. If the \tt dynamic_cast fails, the object
+    returned will be null.
+
+    The \a other object is converted first to a strong reference. If
+    that conversion fails (because the object it's pointing to has
+    already been deleted), this function also returns a null
+    QSharedPointer.
+
+    Note that \tt X must have the same cv-qualifiers (\tt const and
+    \tt volatile) that \tt T has, or the code will fail to
+    compile. Use qSharedPointerConstCast to cast away the constness.
+
+    \sa QWeakPointer::toStrongRef(), qSharedPointerCast(), qSharedPointerConstCast()
+*/
+
+/*!
+    \fn QSharedPointer<X> qSharedPointerConstCast(const QSharedPointer<T> &other)
+    \relates QSharedPointer
+
+    Returns a shared pointer to the pointer held by \a other, cast to
+    type \tt X.  The types \tt T and \tt X must belong to one
+    hierarchy for the \tt const_cast to succeed. The \tt const and \tt
+    volatile differences between \tt T and \tt X are ignored.
+
+    \sa QSharedPointer::constCast(), qSharedPointerCast(), qSharedPointerDynamicCast()
+*/
+
+/*!
+    \fn QSharedPointer<X> qSharedPointerConstCast(const QWeakPointer<T> &other)
+    \relates QSharedPointer
+    \relates QWeakPointer
+
+    Returns a shared pointer to the pointer held by \a other, cast to
+    type \tt X. The types \tt T and \tt X must belong to one
+    hierarchy for the \tt const_cast to succeed. The \tt const and
+    \tt volatile differences between \tt T and \tt X are ignored.
+
+    The \a other object is converted first to a strong reference. If
+    that conversion fails (because the object it's pointing to has
+    already been deleted), this function returns a null
+    QSharedPointer.
+
+    \sa QWeakPointer::toStrongRef(), qSharedPointerCast(), qSharedPointerDynamicCast()
+*/
+
+/*!
+    \fn QWeakPointer<X> qWeakPointerCast(const QWeakPointer<T> &other)
+    \relates QWeakPointer
+
+    Returns a weak pointer to the pointer held by \a other, cast to
+    type \tt X. The types \tt T and \tt X must belong to one
+    hierarchy for the \tt static_cast to succeed.
+
+    Note that \tt X must have the same cv-qualifiers (\tt const and
+    \tt volatile) that \tt T has, or the code will fail to
+    compile. Use qSharedPointerConstCast to cast away the constness.
+*/
+
+#include <qset.h>
+#include <qmutex.h>
+
+#if !defined(QT_NO_MEMBER_TEMPLATES)
+
+//#  define QT_SHARED_POINTER_BACKTRACE_SUPPORT
+#  ifdef QT_SHARED_POINTER_BACKTRACE_SUPPORT
+#    if defined(__GLIBC__) && (__GLIBC__ >= 2) && !defined(__UCLIBC__) && !defined(QT_LINUXBASE)
+#      define BACKTRACE_SUPPORTED
+#    elif defined(Q_OS_MACX)
+#      define BACKTRACE_SUPPORTED
+#    endif
+#  endif
+
+#  if !defined(BACKTRACE_SUPPORTED)
+// Dummy implementation of the functions.
+// Using QHashDummyValue also means that the QHash below is actually a QSet
+typedef QT_PREPEND_NAMESPACE(QHashDummyValue) Backtrace;
+
+static inline Backtrace saveBacktrace() { return Backtrace(); }
+static inline void printBacktrace(Backtrace) { }
+
+#  else
+#    include <sys/types.h>
+#    include <execinfo.h>
+#    include <stdio.h>
+#    include <unistd.h>
+#    include <sys/wait.h>
+
+typedef QT_PREPEND_NAMESPACE(QByteArray) Backtrace;
+
+static inline Backtrace saveBacktrace() __attribute__((always_inline));
+static inline Backtrace saveBacktrace()
+{
+    static const int maxFrames = 32;
+
+    Backtrace stacktrace;
+    stacktrace.resize(sizeof(void*) * maxFrames);
+    int stack_size = backtrace((void**)stacktrace.data(), maxFrames);
+    stacktrace.resize(sizeof(void*) * stack_size);
+
+    return stacktrace;
+}
+
+static void printBacktrace(Backtrace stacktrace)
+{
+    void *const *stack = (void *const *)stacktrace.constData();
+    int stack_size = stacktrace.size() / sizeof(void*);
+    char **stack_symbols = backtrace_symbols(stack, stack_size);
+
+    int filter[2];
+    pid_t child = -1;
+    if (pipe(filter) != -1)
+        child = fork();
+    if (child == 0) {
+        // child process
+        dup2(fileno(stderr), fileno(stdout));
+        dup2(filter[0], fileno(stdin));
+        close(filter[0]);
+        close(filter[1]);
+        execlp("c++filt", "c++filt", "-n", NULL);
+
+        // execlp failed
+        execl("/bin/cat", "/bin/cat", NULL);
+        _exit(127);
+    }
+
+    // parent process
+    close(filter[0]);
+    FILE *output;
+    if (child == -1) {
+        // failed forking
+        close(filter[1]);
+        output = stderr;
+    } else {
+        output = fdopen(filter[1], "w");
+    }
+
+    fprintf(stderr, "Backtrace of the first creation (most recent frame first):\n");
+    for (int i = 0; i < stack_size; ++i) {
+        if (strlen(stack_symbols[i]))
+            fprintf(output, "#%-2d %s\n", i, stack_symbols[i]);
+        else
+            fprintf(output, "#%-2d %p\n", i, stack[i]);
+    }
+
+    if (child != -1) {
+        fclose(output);
+        waitpid(child, 0, 0);
+    }
+}
+#  endif  // BACKTRACE_SUPPORTED
+
+namespace {
+    QT_USE_NAMESPACE
+    class KnownPointers
+    {
+    public:
+        QMutex mutex;
+        QHash<void *, Backtrace> values;
+    };
+}
+
+Q_GLOBAL_STATIC(KnownPointers, knownPointers)
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \internal
+*/
+void QtSharedPointer::internalSafetyCheckAdd(const volatile void *ptr)
+{
+    QMutexLocker lock(&knownPointers()->mutex);
+    void *actual = const_cast<void*>(ptr);
+    if (knownPointers()->values.contains(actual)) {
+        printBacktrace(knownPointers()->values.value(actual));
+        qFatal("QSharedPointerData: internal self-check failed: pointer %p was already tracked "
+               "by another QSharedPointerData object", actual);
+    }
+
+    knownPointers()->values.insert(actual, saveBacktrace());
+}
+
+/*!
+    \internal
+*/
+void QtSharedPointer::internalSafetyCheckRemove(const volatile void *ptr)
+{
+    QMutexLocker lock(&knownPointers()->mutex);
+    void *actual = const_cast<void*>(ptr);
+    knownPointers()->values.remove(actual);
+}
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/tools/qsharedpointer.h b/src/corelib/tools/qsharedpointer.h
new file mode 100644
index 0000000000..0a1efde8b6
--- /dev/null
+++ b/src/corelib/tools/qsharedpointer.h
@@ -0,0 +1,148 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSHAREDPOINTER_H
+#define QSHAREDPOINTER_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qatomic.h>
+#include <QtCore/qshareddata.h>
+
+#ifndef Q_QDOC
+# if !defined(QT_NO_MEMBER_TEMPLATES)
+// QSharedPointer requires member template support
+# include <QtCore/qsharedpointer_impl.h>
+# endif
+#else
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+// These classes are here to fool qdoc into generating a better documentation
+
+template <class T>
+class QSharedPointer
+{
+public:
+    // basic accessor functions
+    T *data() const;
+    bool isNull() const;
+    operator bool() const;
+    bool operator!() const;
+    T &operator*() const;
+    T *operator ->() const;
+
+    // constructors
+    QSharedPointer();
+    explicit QSharedPointer(T *ptr);
+    QSharedPointer(T *ptr, Deleter d);
+    QSharedPointer(const QSharedPointer<T> &other);
+    QSharedPointer(const QWeakPointer<T> &other);
+
+    ~QSharedPointer() { }
+
+    QSharedPointer<T> &operator=(const QSharedPointer<T> &other);
+    QSharedPointer<T> &operator=(const QWeakPointer<T> &other);
+
+    QWeakPointer<T> toWeakRef() const;
+
+    void clear();
+
+    // casts:
+    template <class X> QSharedPointer<X> staticCast() const;
+    template <class X> QSharedPointer<X> dynamicCast() const;
+    template <class X> QSharedPointer<X> constCast() const;
+};
+
+template <class T>
+class QWeakPointer
+{
+public:
+    // basic accessor functions
+    bool isNull() const;
+    operator bool() const;
+    bool operator!() const;
+
+    // constructors:
+    QWeakPointer();
+    QWeakPointer(const QWeakPointer<T> &other);
+    QWeakPointer(const QSharedPointer<T> &other);
+
+    ~QWeakPointer();
+
+    QWeakPointer<T> operator=(const QWeakPointer<T> &other);
+    QWeakPointer<T> operator=(const QSharedPointer<T> &other);
+
+    void clear();
+
+    QSharedPointer<T> toStrongRef() const;
+};
+
+template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const X *ptr2);
+template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const X *ptr2);
+template<class T, class X> bool operator==(const T *ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator!=(const T *ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator==(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator!=(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2);
+template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2);
+
+template <class X, class T> QSharedPointer<X> qSharedPointerCast(const QSharedPointer<T> &other);
+template <class X, class T> QSharedPointer<X> qSharedPointerCast(const QWeakPointer<T> &other);
+template <class X, class T> QSharedPointer<X> qSharedPointerDynamicCast(const QSharedPointer<T> &src);
+template <class X, class T> QSharedPointer<X> qSharedPointerDynamicCast(const QWeakPointer<T> &src);
+template <class X, class T> QSharedPointer<X> qSharedPointerConstCast(const QSharedPointer<T> &src);
+template <class X, class T> QSharedPointer<X> qSharedPointerConstCast(const QWeakPointer<T> &src);
+
+template <class X, class T> QWeakPointer<X> qWeakPointerCast(const QWeakPointer<T> &src);
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q_QDOC
+
+#endif // QSHAREDPOINTER_H
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
new file mode 100644
index 0000000000..f1b35ee05f
--- /dev/null
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -0,0 +1,585 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef Q_QDOC
+
+#ifndef QSHAREDPOINTER_H
+#error Do not include qsharedpointer_impl.h directly
+#endif
+#if 0
+#pragma qt_sync_stop_processing
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+// Macro QSHAREDPOINTER_VERIFY_AUTO_CAST
+//  generates a compiler error if the following construct isn't valid:
+//    T *ptr1;
+//    X *ptr2 = ptr1;
+//
+#ifdef QT_NO_DEBUG
+# define QSHAREDPOINTER_VERIFY_AUTO_CAST(T, X)          qt_noop()
+#else
+
+template<typename T> inline void qt_sharedpointer_cast_check(T *) { }
+# define QSHAREDPOINTER_VERIFY_AUTO_CAST(T, X)          \
+    qt_sharedpointer_cast_check<T>(static_cast<X *>(0))
+#endif
+
+//
+// forward declarations
+//
+template <class T> class QWeakPointer;
+template <class T> class QSharedPointer;
+
+template <class X, class T>
+QSharedPointer<X> qSharedPointerCast(const QSharedPointer<T> &ptr);
+template <class X, class T>
+QSharedPointer<X> qSharedPointerDynamicCast(const QSharedPointer<T> &ptr);
+template <class X, class T>
+QSharedPointer<X> qSharedPointerConstCast(const QSharedPointer<T> &ptr);
+
+namespace QtSharedPointer {
+    template <class T> class InternalRefCount;
+    template <class T> class ExternalRefCount;
+
+    template <class X, class T> QSharedPointer<X> qStrongRefFromWeakHelper(const QWeakPointer<T> &, X*);
+    template <class X, class T> QSharedPointer<X> qSharedPointerCastHelper(const QSharedPointer<T> &src, X *);
+    template <class X, class T> QSharedPointer<X> qSharedPointerConstCastHelper(const QSharedPointer<T> &src, X *);
+
+    // used in debug mode to verify the reuse of pointers
+    Q_CORE_EXPORT void internalSafetyCheckAdd(const volatile void *);
+    Q_CORE_EXPORT void internalSafetyCheckRemove(const volatile void *);
+
+    template <class T, typename Klass, typename RetVal>
+    inline void executeDeleter(T *t, RetVal (Klass:: *memberDeleter)())
+    { (t->*memberDeleter)(); }
+    template <class T, typename Deleter>
+    inline void executeDeleter(T *t, Deleter d)
+    { d(t); }
+
+    //
+    // Depending on its template parameter, QSharedPointer derives from either
+    // QtSharedPointer::InternalRefCount or from QtSharedPointer::ExternalRefCount.
+    // Both of these classes derive from QtSharedPointer::Basic, which provides common
+    // operations,
+    //
+    template <class T>
+    class Basic
+    {
+        typedef T *Basic:: *RestrictedBool;
+    public:
+        typedef T Type;
+
+        inline T *data() const { return value; }
+        inline bool isNull() const { return !data(); }
+        inline operator RestrictedBool() const { return isNull() ? 0 : &Basic::value; }
+        inline bool operator !() const { return isNull(); }
+        inline T &operator*() const { return *data(); }
+        inline T *operator->() const { return data(); }
+
+    protected:
+        inline Basic() : value(0 * sizeof(T)) { }
+        // ~Basic();
+
+        inline void verifyReconstruction(const T *ptr)
+        {
+            Q_ASSERT_X(!ptr || value != ptr, "QSharedPointer",
+                       "QSharedPointer violation: you cannot create two QSharedPointer objects "
+                       "from the same pointer");
+
+            // make use of the "ptr" variable in the no-op statement below
+            // since this function is in a public header, we don't
+            // want warnings on "unused variables" to show up everywhere
+            ptr = 0;
+        }
+
+        inline void internalConstruct(T *ptr)
+        {
+#ifndef QT_NO_DEBUG
+            if (ptr) internalSafetyCheckAdd(ptr);
+#endif
+            value = ptr;
+        }
+        inline void internalDestroy()
+        {
+#ifndef QT_NO_DEBUG
+            if (value) internalSafetyCheckRemove(value);
+#endif
+        }
+
+#if defined(Q_NO_TEMPLATE_FRIENDS)
+    public:
+#else
+        template <class X> friend class QWeakPointer;
+#endif
+
+        Type *value;
+    };
+
+    struct ExternalRefCountData
+    {
+        QAtomicInt weakref;
+        QAtomicInt strongref;
+
+        inline ExternalRefCountData() : weakref(1), strongref(1) { }
+        virtual inline ~ExternalRefCountData() { Q_ASSERT(!weakref); Q_ASSERT(!strongref); }
+
+        virtual inline bool destroy() { return false; }
+    };
+
+    template <class T, typename Deleter>
+    struct ExternalRefCountWithSpecializedDeleter: public ExternalRefCountData
+    {
+        T *ptr;
+        Deleter deleter;
+
+        inline ExternalRefCountWithSpecializedDeleter(T *p, Deleter d)
+            : ptr(p), deleter(d)
+        { }
+        inline bool destroy() { executeDeleter(ptr, deleter); return true; }
+    };
+
+    template <class T>
+    class ExternalRefCount: public Basic<T>
+    {
+        typedef ExternalRefCountData Data;
+        typedef void (*DeleterFunction)(T *);
+    protected:
+        inline void ref() const { d->weakref.ref(); d->strongref.ref(); }
+        inline bool deref()
+        {
+            if (!d->strongref.deref())
+                this->internalDestroy();
+            return d->weakref.deref();
+        }
+
+        inline void internalConstruct(T *ptr)
+        {
+            Basic<T>::internalConstruct(ptr);
+            Q_ASSERT(!d);
+            if (ptr)
+                d = new Data;
+        }
+
+        template <typename Deleter>
+        inline void internalConstruct(T *ptr, Deleter deleter)
+        {
+            Basic<T>::internalConstruct(ptr);
+            Q_ASSERT(!d);
+            if (ptr)
+                d = new ExternalRefCountWithSpecializedDeleter<T, Deleter>(ptr, deleter);
+        }
+
+        inline ExternalRefCount() : d(0) { }
+        inline ~ExternalRefCount() { if (d && !deref()) delete d; }
+        inline ExternalRefCount(const ExternalRefCount<T> &other) : Basic<T>(other), d(other.d)
+        { if (d) ref(); }
+
+        template <class X>
+        inline void internalCopy(const ExternalRefCount<X> &other)
+        {
+            internalSet(other.d, other.data());
+        }
+
+        inline void internalDestroy()
+        {
+            Basic<T>::internalDestroy();
+            if (!d->destroy())
+                delete this->value;
+        }
+
+    private:
+#if defined(Q_NO_TEMPLATE_FRIENDS)
+    public:
+#else
+        template <class X> friend class ExternalRefCount;
+        template <class X> friend class QWeakPointer;
+        template <class X, class Y> friend QSharedPointer<X> qSharedPointerCastHelper(const QSharedPointer<Y> &src, X *);
+        template <class X, class Y> friend QSharedPointer<X> qSharedPointerConstCastHelper(const QSharedPointer<Y> &src, X *);
+        template <class X, class Y> friend QSharedPointer<X> QtSharedPointer::qStrongRefFromWeakHelper(const QWeakPointer<Y> &src, X *);
+#endif
+
+        inline void internalSet(Data *o, T *actual)
+        {
+            if (d == o) return;
+            if (o && !o->strongref)
+                o = 0;
+            if (o) {
+                verifyReconstruction(actual);
+                o->weakref.ref();
+                o->strongref.ref();
+            }
+            if (d && !deref())
+                delete d;
+            d = o;
+            this->value = d && d->strongref ? actual : 0;
+        }
+
+#if defined(QT_BUILD_INTERNAL)
+    public:
+#endif
+        Data *d;
+
+    private:
+        template<class X> ExternalRefCount(const InternalRefCount<X> &);
+    };
+} // namespace QtSharedPointer
+
+template <class T>
+class QSharedPointer: public QtSharedPointer::ExternalRefCount<T>
+{
+    typedef typename QtSharedPointer::ExternalRefCount<T> BaseClass;
+public:
+    inline QSharedPointer() { }
+    // inline ~QSharedPointer() { }
+
+    inline explicit QSharedPointer(T *ptr) { internalConstruct(ptr); }
+
+    template <typename Deleter>
+    inline QSharedPointer(T *ptr, Deleter d) { internalConstruct(ptr, d); }
+
+    inline QSharedPointer(const QSharedPointer<T> &other) : BaseClass(other) { }
+    inline QSharedPointer<T> &operator=(const QSharedPointer<T> &other)
+    {
+        internalCopy(other);
+        return *this;
+    }
+
+    inline QSharedPointer(const QWeakPointer<T> &other)
+    { *this = QtSharedPointer::qStrongRefFromWeakHelper(other, static_cast<T*>(0)); }
+    inline QSharedPointer<T> &operator=(const QWeakPointer<T> &other)
+    { *this = QtSharedPointer::qStrongRefFromWeakHelper(other, static_cast<T*>(0)); return *this; }
+
+    template <class X>
+    inline QSharedPointer(const QSharedPointer<X> &other) { *this = other; }
+
+    template <class X>
+    inline QSharedPointer<T> &operator=(const QSharedPointer<X> &other)
+    {
+        QSHAREDPOINTER_VERIFY_AUTO_CAST(T, X); // if you get an error in this line, the cast is invalid
+        internalCopy(other);
+        return *this;
+    }
+
+    template <class X>
+    inline QSharedPointer(const QWeakPointer<X> &other)
+    { *this = QtSharedPointer::qStrongRefFromWeakHelper(other, static_cast<T *>(0)); }
+
+    template <class X>
+    inline QSharedPointer<T> &operator=(const QWeakPointer<X> &other)
+    { *this = qStrongRefFromWeakHelper(other, static_cast<T *>(0)); return *this; }
+
+    template <class X>
+    QSharedPointer<X> staticCast() const
+    {
+        return qSharedPointerCast<X, T>(*this);
+    }
+
+    template <class X>
+    QSharedPointer<X> dynamicCast() const
+    {
+        return qSharedPointerDynamicCast<X, T>(*this);
+    }
+
+    template <class X>
+    QSharedPointer<X> constCast() const
+    {
+        return qSharedPointerConstCast<X, T>(*this);
+    }
+
+    inline void clear() { *this = QSharedPointer<T>(); }
+
+    QWeakPointer<T> toWeakRef() const;
+};
+
+template <class T>
+class QWeakPointer
+{
+    typedef T *QWeakPointer:: *RestrictedBool;
+    typedef QtSharedPointer::ExternalRefCountData Data;
+
+public:
+    inline bool isNull() const { return d == 0 || d->strongref == 0 || value == 0; }
+    inline operator RestrictedBool() const { return isNull() ? 0 : &QWeakPointer::value; }
+    inline bool operator !() const { return isNull(); }
+
+    inline QWeakPointer() : d(0), value(0) { }
+    inline ~QWeakPointer() { if (d && !d->weakref.deref()) delete d; }
+    inline QWeakPointer(const QWeakPointer<T> &o) : d(o.d), value(o.value)
+    { if (d) d->weakref.ref(); }
+    inline QWeakPointer<T> &operator=(const QWeakPointer<T> &o)
+    {
+        internalSet(o.d, o.value);
+        return *this;
+    }
+
+    inline QWeakPointer(const QSharedPointer<T> &o) : d(o.d), value(o.data())
+    { if (d) d->weakref.ref();}
+    inline QWeakPointer<T> &operator=(const QSharedPointer<T> &o)
+    {
+        internalSet(o.d, o.value);
+        return *this;
+    }
+
+    template <class X>
+    inline QWeakPointer(const QWeakPointer<X> &o) : d(0), value(0)
+    { *this = o; }
+
+    template <class X>
+    inline QWeakPointer<T> &operator=(const QWeakPointer<X> &o)
+    {
+        // conversion between X and T could require access to the virtual table
+        // so force the operation to go through QSharedPointer
+        *this = o.toStrongRef();
+        return *this;
+    }
+
+    template <class X>
+    inline bool operator==(const QWeakPointer<X> &o) const
+    { return d == o.d && value == static_cast<const T *>(o.value); }
+
+    template <class X>
+    inline bool operator!=(const QWeakPointer<X> &o) const
+    { return !(*this == o); }
+
+    template <class X>
+    inline QWeakPointer(const QSharedPointer<X> &o) : d(0), value(0)
+    { *this = o; }
+
+    template <class X>
+    inline QWeakPointer<T> &operator=(const QSharedPointer<X> &o)
+    {
+        QSHAREDPOINTER_VERIFY_AUTO_CAST(T, X); // if you get an error in this line, the cast is invalid
+        internalSet(o.d, o.data());
+        return *this;
+    }
+
+    template <class X>
+    inline bool operator==(const QSharedPointer<X> &o) const
+    { return d == o.d && value == static_cast<const T *>(o.data()); }
+
+    template <class X>
+    inline bool operator!=(const QSharedPointer<X> &o) const
+    { return !(*this == o); }
+
+    inline void clear() { *this = QWeakPointer<T>(); }
+
+    inline QSharedPointer<T> toStrongRef() const { return QSharedPointer<T>(*this); }
+
+private:
+
+#if defined(Q_NO_TEMPLATE_FRIENDS)
+public:
+#else
+    template <class X, class Y> friend QSharedPointer<X> QtSharedPointer::qStrongRefFromWeakHelper(const QWeakPointer<Y> &src, X *);
+#endif
+
+    inline void internalSet(Data *o, T *actual)
+    {
+        if (d == o) return;
+        if (o)
+            o->weakref.ref();
+        if (d && !d->weakref.deref())
+            delete d;
+        d = o;
+        value = actual;
+    }
+
+    Data *d;
+    T *value;
+};
+
+template <class T, class X>
+bool operator==(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2)
+{
+    return ptr1.data() == ptr2.data();
+}
+template <class T, class X>
+bool operator!=(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2)
+{
+    return ptr1.data() != ptr2.data();
+}
+
+template <class T, class X>
+bool operator==(const QSharedPointer<T> &ptr1, const X *ptr2)
+{
+    return ptr1.data() == ptr2;
+}
+template <class T, class X>
+bool operator==(const T *ptr1, const QSharedPointer<X> &ptr2)
+{
+    return ptr1 == ptr2.data();
+}
+
+template <class T, class X>
+bool operator!=(const QSharedPointer<T> &ptr1, const X *ptr2)
+{
+    return !(ptr1 == ptr2);
+}
+template <class T, class X>
+bool operator!=(const T *ptr1, const QSharedPointer<X> &ptr2)
+{
+    return !(ptr2 == ptr1);
+}
+
+template <class T, class X>
+bool operator==(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2)
+{
+    return ptr2 == ptr1;
+}
+template <class T, class X>
+bool operator!=(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2)
+{
+    return ptr2 != ptr1;
+}
+
+template <class T>
+Q_INLINE_TEMPLATE QWeakPointer<T> QSharedPointer<T>::toWeakRef() const
+{
+    return QWeakPointer<T>(*this);
+}
+
+namespace QtSharedPointer {
+// helper functions:
+    template <class X, class T>
+    Q_INLINE_TEMPLATE X *qVerifyStaticCast(T *src, X *)
+    {
+        return static_cast<X *>(src); // if you get an error in this line, the cast is invalid
+    }
+    template <class X, class T>
+    Q_INLINE_TEMPLATE X *qVerifyDynamicCast(T *src, X *)
+    {
+        return dynamic_cast<X *>(src); // if you get an error in this line, the cast is invalid
+    }
+    template <class X, class T>
+    Q_INLINE_TEMPLATE X *qVerifyConstCast(T *src, X *)
+    {
+        return const_cast<X *>(src); // if you get an error in this line, the cast is invalid
+    }
+
+    template <class X, class T>
+    Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerCastHelper(const QSharedPointer<T> &src, X *)
+    {
+        QSharedPointer<X> result;
+        register T *ptr = src.data();
+        result.internalSet(src.d, static_cast<X *>(ptr));
+        return result;
+    }
+    template <class X, class T>
+    Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerConstCastHelper(const QSharedPointer<T> &src, X *)
+    {
+        QSharedPointer<X> result;
+        register T *ptr = src.data();
+        result.internalSet(src.d, const_cast<X *>(ptr));
+        return result;
+    }
+    template <class X, class T>
+    Q_INLINE_TEMPLATE QSharedPointer<X> qStrongRefFromWeakHelper
+        (const QT_PREPEND_NAMESPACE(QWeakPointer<T>) &src, X *)
+    {
+        QSharedPointer<X> result;
+        result.internalSet(src.d, src.value);
+        return result;
+    }
+}
+
+// cast operators
+template <class X, class T>
+Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerCast(const QSharedPointer<T> &src)
+{
+    X *x = 0;
+    QtSharedPointer::qVerifyStaticCast(src.data(), x);
+    return QtSharedPointer::qSharedPointerCastHelper(src, x);
+}
+template <class X, class T>
+Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerCast(const QWeakPointer<T> &src)
+{
+    return qSharedPointerCast<X, T>(src.toStrongRef());
+}
+
+template <class X, class T>
+Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerDynamicCast(const QSharedPointer<T> &src)
+{
+    X *x = 0;
+    if (QtSharedPointer::qVerifyDynamicCast(src.data(), x))
+        return QtSharedPointer::qSharedPointerCastHelper(src, x);
+    return QSharedPointer<X>();
+}
+template <class X, class T>
+Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerDynamicCast(const QWeakPointer<T> &src)
+{
+    return qSharedPointerDynamicCast<X, T>(src.toStrongRef());
+}
+
+template <class X, class T>
+Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerConstCast(const QSharedPointer<T> &src)
+{
+    X *x = 0;
+    if (QtSharedPointer::qVerifyConstCast(src.data(), x))
+        return QtSharedPointer::qSharedPointerConstCastHelper(src, x);
+    return QSharedPointer<X>();
+}
+template <class X, class T>
+Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerConstCast(const QWeakPointer<T> &src)
+{
+    X *x = 0;
+    if (QtSharedPointer::qVerifyConstCast(src.data(), x))
+        return QtSharedPointer::qSharedPointerCastHelper(src, x);
+    return QSharedPointer<X>();
+}
+
+template <class X, class T>
+Q_INLINE_TEMPLATE
+QWeakPointer<X> qWeakPointerCast(const QSharedPointer<T> &src)
+{
+    return qSharedPointerCast<X, T>(src).toWeakRef();
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
diff --git a/src/corelib/tools/qsize.cpp b/src/corelib/tools/qsize.cpp
new file mode 100644
index 0000000000..76a5484377
--- /dev/null
+++ b/src/corelib/tools/qsize.cpp
@@ -0,0 +1,824 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsize.h"
+#include "qdatastream.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QSize
+    \ingroup multimedia
+
+    \brief The QSize class defines the size of a two-dimensional
+    object using integer point precision.
+
+    A size is specified by a width() and a height().  It can be set in
+    the constructor and changed using the setWidth(), setHeight(), or
+    scale() functions, or using arithmetic operators. A size can also
+    be manipulated directly by retrieving references to the width and
+    height using the rwidth() and rheight() functions. Finally, the
+    width and height can be swapped using the transpose() function.
+
+    The isValid() function determines if a size is valid (a valid size
+    has both width and height greater than zero). The isEmpty()
+    function returns true if either of the width and height is less
+    than, or equal to, zero, while the isNull() function returns true
+    only if both the width and the height is zero.
+
+    Use the expandedTo() function to retrieve a size which holds the
+    maximum height and width of \e this size and a given
+    size. Similarly, the boundedTo() function returns a size which
+    holds the minimum height and width of \e this size and a given
+    size.
+
+    QSize objects can be streamed as well as compared.
+
+    \sa QSizeF, QPoint, QRect
+*/
+
+
+/*****************************************************************************
+  QSize member functions
+ *****************************************************************************/
+
+/*!
+    \fn QSize::QSize()
+
+    Constructs a size with an invalid width and height (i.e., isValid()
+    returns false).
+
+    \sa isValid()
+*/
+
+/*!
+    \fn QSize::QSize(int width, int height)
+
+    Constructs a size with the given \a width and \a height.
+
+    \sa setWidth(), setHeight()
+*/
+
+/*!
+    \fn bool QSize::isNull() const
+
+    Returns true if both the width and height is 0; otherwise returns
+    false.
+
+    \sa isValid(), isEmpty()
+*/
+
+/*!
+    \fn bool QSize::isEmpty() const
+
+    Returns true if either of the width and height is less than or
+    equal to 0; otherwise returns false.
+
+    \sa isNull(), isValid()
+*/
+
+/*!
+    \fn bool QSize::isValid() const
+
+    Returns true if both the width and height is equal to or greater
+    than 0; otherwise returns false.
+
+    \sa isNull(), isEmpty()
+*/
+
+/*!
+    \fn int QSize::width() const
+
+    Returns the width.
+
+    \sa height(), setWidth()
+*/
+
+/*!
+    \fn int QSize::height() const
+
+    Returns the height.
+
+    \sa width(), setHeight()
+*/
+
+/*!
+    \fn void QSize::setWidth(int width)
+
+    Sets the width to the given \a width.
+
+    \sa rwidth(), width(), setHeight()
+*/
+
+/*!
+    \fn void QSize::setHeight(int height)
+
+    Sets the height to the given \a height.
+
+    \sa rheight(), height(), setWidth()
+*/
+
+/*!
+    Swaps the width and height values.
+
+    \sa setWidth(), setHeight()
+*/
+
+void QSize::transpose()
+{
+    int tmp = wd;
+    wd = ht;
+    ht = tmp;
+}
+
+/*!
+  \fn void QSize::scale(int width, int height, Qt::AspectRatioMode mode)
+
+    Scales the size to a rectangle with the given \a width and \a
+    height, according to the specified \a mode:
+
+    \list
+    \i If \a mode is Qt::IgnoreAspectRatio, the size is set to (\a width, \a height).
+    \i If \a mode is Qt::KeepAspectRatio, the current size is scaled to a rectangle
+       as large as possible inside (\a width, \a height), preserving the aspect ratio.
+    \i If \a mode is Qt::KeepAspectRatioByExpanding, the current size is scaled to a rectangle
+       as small as possible outside (\a width, \a height), preserving the aspect ratio.
+    \endlist
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 0
+
+    \sa setWidth(), setHeight()
+*/
+
+/*!
+    \fn void QSize::scale(const QSize &size, Qt::AspectRatioMode mode)
+    \overload
+
+    Scales the size to a rectangle with the given \a size, according to
+    the specified \a mode.
+*/
+void QSize::scale(const QSize &s, Qt::AspectRatioMode mode)
+{
+    if (mode == Qt::IgnoreAspectRatio || wd == 0 || ht == 0) {
+        wd = s.wd;
+        ht = s.ht;
+    } else {
+        bool useHeight;
+        qint64 rw = qint64(s.ht) * qint64(wd) / qint64(ht);
+
+        if (mode == Qt::KeepAspectRatio) {
+            useHeight = (rw <= s.wd);
+        } else { // mode == Qt::KeepAspectRatioByExpanding
+            useHeight = (rw >= s.wd);
+        }
+
+        if (useHeight) {
+            wd = rw;
+            ht = s.ht;
+        } else {
+            ht = qint32(qint64(s.wd) * qint64(ht) / qint64(wd));
+            wd = s.wd;
+        }
+    }
+}
+
+/*!
+    \fn int &QSize::rwidth()
+
+    Returns a reference to the width.
+
+    Using a reference makes it possible to manipulate the width
+    directly. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 1
+
+    \sa rheight(), setWidth()
+*/
+
+/*!
+    \fn int &QSize::rheight()
+
+    Returns a reference to the height.
+
+    Using a reference makes it possible to manipulate the height
+    directly. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 2
+
+    \sa rwidth(), setHeight()
+*/
+
+/*!
+    \fn QSize &QSize::operator+=(const QSize &size)
+
+    Adds the given \a size to \e this size, and returns a reference to
+    this size. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 3
+*/
+
+/*!
+    \fn QSize &QSize::operator-=(const QSize &size)
+
+    Subtracts the given \a size from \e this size, and returns a
+    reference to this size. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 4
+*/
+
+/*!
+    \fn QSize &QSize::operator*=(qreal factor)
+    \overload
+
+    Multiplies both the width and height by the given \a factor, and
+    returns a reference to the size.
+
+    Note that the result is rounded to the nearest integer.
+
+    \sa scale()
+*/
+
+/*!
+    \fn bool operator==(const QSize &s1, const QSize &s2)
+    \relates QSize
+
+    Returns true if \a s1 and \a s2 are equal; otherwise returns false.
+*/
+
+/*!
+    \fn bool operator!=(const QSize &s1, const QSize &s2)
+    \relates QSize
+
+    Returns true if \a s1 and \a s2 are different; otherwise returns false.
+*/
+
+/*!
+    \fn const QSize operator+(const QSize &s1, const QSize &s2)
+    \relates QSize
+
+    Returns the sum of \a s1 and \a s2; each component is added separately.
+*/
+
+/*!
+    \fn const QSize operator-(const QSize &s1, const QSize &s2)
+    \relates QSize
+
+    Returns \a s2 subtracted from \a s1; each component is subtracted
+    separately.
+*/
+
+/*!
+    \fn const QSize operator*(const QSize &size, qreal factor)
+    \relates QSize
+
+    Multiplies the given \a size by the given \a factor, and returns
+    the result rounded to the nearest integer.
+
+    \sa QSize::scale()
+*/
+
+/*!
+    \fn const QSize operator*(qreal factor, const QSize &size)
+    \overload
+    \relates QSize
+
+    Multiplies the given \a size by the given \a factor, and returns
+    the result rounded to the nearest integer.
+*/
+
+/*!
+    \fn QSize &QSize::operator/=(qreal divisor)
+    \overload
+
+    Divides both the width and height by the given \a divisor, and
+    returns a reference to the size.
+
+    Note that the result is rounded to the nearest integer.
+
+    \sa QSize::scale()
+*/
+
+/*!
+    \fn const QSize operator/(const QSize &size, qreal divisor)
+    \relates QSize
+    \overload
+
+    Divides the given \a size by the given \a divisor, and returns the
+    result rounded to the nearest integer.
+
+    \sa QSize::scale()
+*/
+
+/*!
+    \fn QSize QSize::expandedTo(const QSize & otherSize) const
+
+    Returns a size holding the maximum width and height of this size
+    and the given \a otherSize.
+
+    \sa boundedTo(), scale()
+*/
+
+/*!
+    \fn QSize QSize::boundedTo(const QSize & otherSize) const
+
+    Returns a size holding the minimum width and height of this size
+    and the given \a otherSize.
+
+    \sa expandedTo(), scale()
+*/
+
+
+
+/*****************************************************************************
+  QSize stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+/*!
+    \fn QDataStream &operator<<(QDataStream &stream, const QSize &size)
+    \relates QSize
+
+    Writes the given \a size to the given \a stream, and returns a
+    reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator<<(QDataStream &s, const QSize &sz)
+{
+    if (s.version() == 1)
+        s << (qint16)sz.width() << (qint16)sz.height();
+    else
+        s << (qint32)sz.width() << (qint32)sz.height();
+    return s;
+}
+
+/*!
+    \fn QDataStream &operator>>(QDataStream &stream, QSize &size)
+    \relates QSize
+
+    Reads a size from the given \a stream into the given \a size, and
+    returns a reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator>>(QDataStream &s, QSize &sz)
+{
+    if (s.version() == 1) {
+        qint16 w, h;
+        s >> w;  sz.rwidth() = w;
+        s >> h;  sz.rheight() = h;
+    }
+    else {
+        qint32 w, h;
+        s >> w;  sz.rwidth() = w;
+        s >> h;  sz.rheight() = h;
+    }
+    return s;
+}
+#endif // QT_NO_DATASTREAM
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QSize &s) {
+    dbg.nospace() << "QSize(" << s.width() << ", " << s.height() << ')';
+    return dbg.space();
+}
+#endif
+
+
+
+/*!
+    \class QSizeF
+    \brief The QSizeF class defines the size of a two-dimensional object
+    using floating point precision.
+
+    \ingroup multimedia
+
+    A size is specified by a width() and a height().  It can be set in
+    the constructor and changed using the setWidth(), setHeight(), or
+    scale() functions, or using arithmetic operators. A size can also
+    be manipulated directly by retrieving references to the width and
+    height using the rwidth() and rheight() functions. Finally, the
+    width and height can be swapped using the transpose() function.
+
+    The isValid() function determines if a size is valid. A valid size
+    has both width and height greater than or equal to zero. The
+    isEmpty() function returns true if either of the width and height
+    is \e less than (or equal to) zero, while the isNull() function
+    returns true only if both the width and the height is zero.
+
+    Use the expandedTo() function to retrieve a size which holds the
+    maximum height and width of this size and a given
+    size. Similarly, the boundedTo() function returns a size which
+    holds the minimum height and width of this size and a given size.
+
+    The QSizeF class also provides the toSize() function returning a
+    QSize copy of this size, constructed by rounding the width and
+    height to the nearest integers.
+
+    QSizeF objects can be streamed as well as compared.
+
+    \sa QSize, QPointF, QRectF
+*/
+
+
+/*****************************************************************************
+  QSizeF member functions
+ *****************************************************************************/
+
+/*!
+    \fn QSizeF::QSizeF()
+
+    Constructs an invalid size.
+
+    \sa isValid()
+*/
+
+/*!
+    \fn QSizeF::QSizeF(const QSize &size)
+
+    Constructs a size with floating point accuracy from the given \a
+    size.
+
+    \sa toSize()
+*/
+
+/*!
+    \fn QSizeF::QSizeF(qreal width, qreal height)
+
+    Constructs a size with the given \a width and \a height.
+*/
+
+/*!
+    \fn bool QSizeF::isNull() const
+
+    Returns true if both the width and height is 0; otherwise returns
+    false.
+
+    \sa isValid(), isEmpty()
+*/
+
+/*!
+    \fn bool QSizeF::isEmpty() const
+
+    Returns true if either of the width and height is less than or
+    equal to 0; otherwise returns false.
+
+    \sa isNull(), isValid()
+*/
+
+/*!
+    \fn bool QSizeF::isValid() const
+
+    Returns true if both the width and height is equal to or greater
+    than 0; otherwise returns false.
+
+    \sa isNull(), isEmpty()
+*/
+
+/*!
+    \fn int QSizeF::width() const
+
+    Returns the width.
+
+    \sa height(), setWidth()
+*/
+
+/*!
+    \fn int QSizeF::height() const
+
+    Returns the height.
+
+    \sa width(), setHeight()
+*/
+
+/*!
+    \fn void QSizeF::setWidth(qreal width)
+
+    Sets the width to the given \a width.
+
+    \sa width(), rwidth(), setHeight()
+*/
+
+/*!
+    \fn void QSizeF::setHeight(qreal height)
+
+    Sets the height to the given \a height.
+
+    \sa height(), rheight(), setWidth()
+*/
+
+/*!
+    \fn QSize QSizeF::toSize() const
+
+    Returns an integer based copy of this size.
+
+    Note that the coordinates in the returned size will be rounded to
+    the nearest integer.
+
+    \sa QSizeF()
+*/
+
+/*!
+    Swaps the width and height values.
+
+    \sa setWidth(), setHeight()
+*/
+
+void QSizeF::transpose()
+{
+    qreal tmp = wd;
+    wd = ht;
+    ht = tmp;
+}
+
+/*!
+  \fn void QSizeF::scale(qreal width, qreal height, Qt::AspectRatioMode mode)
+
+    Scales the size to a rectangle with the given \a width and \a
+    height, according to the specified \a mode.
+
+    \list
+    \i If \a mode is Qt::IgnoreAspectRatio, the size is set to (\a width, \a height).
+    \i If \a mode is Qt::KeepAspectRatio, the current size is scaled to a rectangle
+       as large as possible inside (\a width, \a height), preserving the aspect ratio.
+    \i If \a mode is Qt::KeepAspectRatioByExpanding, the current size is scaled to a rectangle
+       as small as possible outside (\a width, \a height), preserving the aspect ratio.
+    \endlist
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 5
+
+    \sa setWidth(), setHeight()
+*/
+
+/*!
+    \fn void QSizeF::scale(const QSizeF &size, Qt::AspectRatioMode mode)
+    \overload
+
+    Scales the size to a rectangle with the given \a size, according to
+    the specified \a mode.
+*/
+void QSizeF::scale(const QSizeF &s, Qt::AspectRatioMode mode)
+{
+    if (mode == Qt::IgnoreAspectRatio || qIsNull(wd) || qIsNull(ht)) {
+        wd = s.wd;
+        ht = s.ht;
+    } else {
+        bool useHeight;
+        qreal rw = s.ht * wd / ht;
+
+        if (mode == Qt::KeepAspectRatio) {
+            useHeight = (rw <= s.wd);
+        } else { // mode == Qt::KeepAspectRatioByExpanding
+            useHeight = (rw >= s.wd);
+        }
+
+        if (useHeight) {
+            wd = rw;
+            ht = s.ht;
+        } else {
+            ht = s.wd * ht / wd;
+            wd = s.wd;
+        }
+    }
+}
+
+/*!
+    \fn int &QSizeF::rwidth()
+
+    Returns a reference to the width.
+
+    Using a reference makes it possible to manipulate the width
+    directly. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 6
+
+    \sa rheight(), setWidth()
+*/
+
+/*!
+    \fn int &QSizeF::rheight()
+
+    Returns a reference to the height.
+
+    Using a reference makes it possible to manipulate the height
+    directly. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 7
+
+    \sa rwidth(), setHeight()
+*/
+
+/*!
+    \fn QSizeF &QSizeF::operator+=(const QSizeF &size)
+
+    Adds the given \a size to this size and returns a reference to
+    this size. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 8
+*/
+
+/*!
+    \fn QSizeF &QSizeF::operator-=(const QSizeF &size)
+
+    Subtracts the given \a size from this size and returns a reference
+    to this size. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qsize.cpp 9
+*/
+
+/*!
+    \fn QSizeF &QSizeF::operator*=(qreal factor)
+    \overload
+
+    Multiplies both the width and height by the given \a factor and
+    returns a reference to the size.
+
+    \sa scale()
+*/
+
+/*!
+    \fn bool operator==(const QSizeF &s1, const QSizeF &s2)
+    \relates QSizeF
+
+    Returns true if \a s1 and \a s2 are equal; otherwise returns
+    false.
+*/
+
+/*!
+    \fn bool operator!=(const QSizeF &s1, const QSizeF &s2)
+    \relates QSizeF
+
+    Returns true if \a s1 and \a s2 are different; otherwise returns false.
+*/
+
+/*!
+    \fn const QSizeF operator+(const QSizeF &s1, const QSizeF &s2)
+    \relates QSizeF
+
+    Returns the sum of \a s1 and \a s2; each component is added separately.
+*/
+
+/*!
+    \fn const QSizeF operator-(const QSizeF &s1, const QSizeF &s2)
+    \relates QSizeF
+
+    Returns \a s2 subtracted from \a s1; each component is subtracted
+    separately.
+*/
+
+/*!
+    \fn const QSizeF operator*(const QSizeF &size, qreal factor)
+
+    \overload
+    \relates QSizeF
+
+    Multiplies the given \a size by the given \a factor and returns
+    the result.
+
+    \sa QSizeF::scale()
+*/
+
+/*!
+    \fn const QSizeF operator*(qreal factor, const QSizeF &size)
+
+    \overload
+    \relates QSizeF
+
+    Multiplies the given \a size by the given \a factor and returns
+    the result.
+*/
+
+/*!
+    \fn QSizeF &QSizeF::operator/=(qreal divisor)
+
+    \overload
+
+    Divides both the width and height by the given \a divisor and
+    returns a reference to the size.
+
+    \sa scale()
+*/
+
+/*!
+    \fn const QSizeF operator/(const QSizeF &size, qreal divisor)
+
+    \relates QSizeF
+    \overload
+
+    Divides the given \a size by the given \a divisor and returns the
+    result.
+
+    \sa QSizeF::scale()
+*/
+
+/*!
+    \fn QSizeF QSizeF::expandedTo(const QSizeF & otherSize) const
+
+    Returns a size holding the maximum width and height of this size
+    and the given \a otherSize.
+
+    \sa boundedTo(), scale()
+*/
+
+/*!
+    \fn QSizeF QSizeF::boundedTo(const QSizeF & otherSize) const
+
+    Returns a size holding the minimum width and height of this size
+    and the given \a otherSize.
+
+    \sa expandedTo(), scale()
+*/
+
+
+
+/*****************************************************************************
+  QSizeF stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+/*!
+    \fn QDataStream &operator<<(QDataStream &stream, const QSizeF &size)
+    \relates QSizeF
+
+    Writes the the given \a size to the given \a stream and returns a
+    reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator<<(QDataStream &s, const QSizeF &sz)
+{
+    s << double(sz.width()) << double(sz.height());
+    return s;
+}
+
+/*!
+    \fn QDataStream &operator>>(QDataStream &stream, QSizeF &size)
+    \relates QSizeF
+
+    Reads a size from the given \a stream into the given \a size and
+    returns a reference to the stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator>>(QDataStream &s, QSizeF &sz)
+{
+    double w, h;
+    s >> w;
+    s >> h;
+    sz.setWidth(qreal(w));
+    sz.setHeight(qreal(h));
+    return s;
+}
+#endif // QT_NO_DATASTREAM
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QSizeF &s) {
+    dbg.nospace() << "QSizeF(" << s.width() << ", " << s.height() << ')';
+    return dbg.space();
+}
+#endif
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qsize.h b/src/corelib/tools/qsize.h
new file mode 100644
index 0000000000..57c55ca5b7
--- /dev/null
+++ b/src/corelib/tools/qsize.h
@@ -0,0 +1,364 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSIZE_H
+#define QSIZE_H
+
+#include <QtCore/qnamespace.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QSize
+{
+public:
+    QSize();
+    QSize(int w, int h);
+
+    bool isNull() const;
+    bool isEmpty() const;
+    bool isValid() const;
+
+    int width() const;
+    int height() const;
+    void setWidth(int w);
+    void setHeight(int h);
+    void transpose();
+
+    void scale(int w, int h, Qt::AspectRatioMode mode);
+    void scale(const QSize &s, Qt::AspectRatioMode mode);
+
+    QSize expandedTo(const QSize &) const;
+    QSize boundedTo(const QSize &) const;
+
+    int &rwidth();
+    int &rheight();
+
+    QSize &operator+=(const QSize &);
+    QSize &operator-=(const QSize &);
+    QSize &operator*=(qreal c);
+    QSize &operator/=(qreal c);
+
+    friend inline bool operator==(const QSize &, const QSize &);
+    friend inline bool operator!=(const QSize &, const QSize &);
+    friend inline const QSize operator+(const QSize &, const QSize &);
+    friend inline const QSize operator-(const QSize &, const QSize &);
+    friend inline const QSize operator*(const QSize &, qreal);
+    friend inline const QSize operator*(qreal, const QSize &);
+    friend inline const QSize operator/(const QSize &, qreal);
+
+private:
+    int wd;
+    int ht;
+};
+Q_DECLARE_TYPEINFO(QSize, Q_MOVABLE_TYPE);
+
+/*****************************************************************************
+  QSize stream functions
+ *****************************************************************************/
+
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QSize &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QSize &);
+
+
+/*****************************************************************************
+  QSize inline functions
+ *****************************************************************************/
+
+inline QSize::QSize()
+{ wd = ht = -1; }
+
+inline QSize::QSize(int w, int h)
+{ wd = w; ht = h; }
+
+inline bool QSize::isNull() const
+{ return wd==0 && ht==0; }
+
+inline bool QSize::isEmpty() const
+{ return wd<1 || ht<1; }
+
+inline bool QSize::isValid() const
+{ return wd>=0 && ht>=0; }
+
+inline int QSize::width() const
+{ return wd; }
+
+inline int QSize::height() const
+{ return ht; }
+
+inline void QSize::setWidth(int w)
+{ wd = w; }
+
+inline void QSize::setHeight(int h)
+{ ht = h; }
+
+inline void QSize::scale(int w, int h, Qt::AspectRatioMode mode)
+{ scale(QSize(w, h), mode); }
+
+inline int &QSize::rwidth()
+{ return wd; }
+
+inline int &QSize::rheight()
+{ return ht; }
+
+inline QSize &QSize::operator+=(const QSize &s)
+{ wd+=s.wd; ht+=s.ht; return *this; }
+
+inline QSize &QSize::operator-=(const QSize &s)
+{ wd-=s.wd; ht-=s.ht; return *this; }
+
+inline QSize &QSize::operator*=(qreal c)
+{ wd = qRound(wd*c); ht = qRound(ht*c); return *this; }
+
+inline bool operator==(const QSize &s1, const QSize &s2)
+{ return s1.wd == s2.wd && s1.ht == s2.ht; }
+
+inline bool operator!=(const QSize &s1, const QSize &s2)
+{ return s1.wd != s2.wd || s1.ht != s2.ht; }
+
+inline const QSize operator+(const QSize & s1, const QSize & s2)
+{ return QSize(s1.wd+s2.wd, s1.ht+s2.ht); }
+
+inline const QSize operator-(const QSize &s1, const QSize &s2)
+{ return QSize(s1.wd-s2.wd, s1.ht-s2.ht); }
+
+inline const QSize operator*(const QSize &s, qreal c)
+{ return QSize(qRound(s.wd*c), qRound(s.ht*c)); }
+
+inline const QSize operator*(qreal c, const QSize &s)
+{ return QSize(qRound(s.wd*c), qRound(s.ht*c)); }
+
+inline QSize &QSize::operator/=(qreal c)
+{
+    Q_ASSERT(!qFuzzyCompare(c + 1, 1));
+    wd = qRound(wd/c); ht = qRound(ht/c);
+    return *this;
+}
+
+inline const QSize operator/(const QSize &s, qreal c)
+{
+    Q_ASSERT(!qFuzzyCompare(c + 1, 1));
+    return QSize(qRound(s.wd/c), qRound(s.ht/c));
+}
+
+inline QSize QSize::expandedTo(const QSize & otherSize) const
+{
+    return QSize(qMax(wd,otherSize.wd), qMax(ht,otherSize.ht));
+}
+
+inline QSize QSize::boundedTo(const QSize & otherSize) const
+{
+    return QSize(qMin(wd,otherSize.wd), qMin(ht,otherSize.ht));
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QSize &);
+#endif
+
+
+class Q_CORE_EXPORT QSizeF
+{
+public:
+    QSizeF();
+    QSizeF(const QSize &sz);
+    QSizeF(qreal w, qreal h);
+
+    bool isNull() const;
+    bool isEmpty() const;
+    bool isValid() const;
+
+    qreal width() const;
+    qreal height() const;
+    void setWidth(qreal w);
+    void setHeight(qreal h);
+    void transpose();
+
+    void scale(qreal w, qreal h, Qt::AspectRatioMode mode);
+    void scale(const QSizeF &s, Qt::AspectRatioMode mode);
+
+    QSizeF expandedTo(const QSizeF &) const;
+    QSizeF boundedTo(const QSizeF &) const;
+
+    qreal &rwidth();
+    qreal &rheight();
+
+    QSizeF &operator+=(const QSizeF &);
+    QSizeF &operator-=(const QSizeF &);
+    QSizeF &operator*=(qreal c);
+    QSizeF &operator/=(qreal c);
+
+    friend inline bool operator==(const QSizeF &, const QSizeF &);
+    friend inline bool operator!=(const QSizeF &, const QSizeF &);
+    friend inline const QSizeF operator+(const QSizeF &, const QSizeF &);
+    friend inline const QSizeF operator-(const QSizeF &, const QSizeF &);
+    friend inline const QSizeF operator*(const QSizeF &, qreal);
+    friend inline const QSizeF operator*(qreal, const QSizeF &);
+    friend inline const QSizeF operator/(const QSizeF &, qreal);
+
+    inline QSize toSize() const;
+
+private:
+    qreal wd;
+    qreal ht;
+};
+Q_DECLARE_TYPEINFO(QSizeF, Q_MOVABLE_TYPE);
+
+
+/*****************************************************************************
+  QSizeF stream functions
+ *****************************************************************************/
+
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QSizeF &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QSizeF &);
+
+
+/*****************************************************************************
+  QSizeF inline functions
+ *****************************************************************************/
+
+inline QSizeF::QSizeF()
+{ wd = ht = -1.; }
+
+inline QSizeF::QSizeF(const QSize &sz)
+    : wd(sz.width()), ht(sz.height())
+{
+}
+
+inline QSizeF::QSizeF(qreal w, qreal h)
+{ wd = w; ht = h; }
+
+inline bool QSizeF::isNull() const
+{ return qIsNull(wd) && qIsNull(ht); }
+
+inline bool QSizeF::isEmpty() const
+{ return wd <= 0. || ht <= 0.; }
+
+inline bool QSizeF::isValid() const
+{ return wd >= 0. && ht >= 0.; }
+
+inline qreal QSizeF::width() const
+{ return wd; }
+
+inline qreal QSizeF::height() const
+{ return ht; }
+
+inline void QSizeF::setWidth(qreal w)
+{ wd = w; }
+
+inline void QSizeF::setHeight(qreal h)
+{ ht = h; }
+
+inline void QSizeF::scale(qreal w, qreal h, Qt::AspectRatioMode mode)
+{ scale(QSizeF(w, h), mode); }
+
+inline qreal &QSizeF::rwidth()
+{ return wd; }
+
+inline qreal &QSizeF::rheight()
+{ return ht; }
+
+inline QSizeF &QSizeF::operator+=(const QSizeF &s)
+{ wd += s.wd; ht += s.ht; return *this; }
+
+inline QSizeF &QSizeF::operator-=(const QSizeF &s)
+{ wd -= s.wd; ht -= s.ht; return *this; }
+
+inline QSizeF &QSizeF::operator*=(qreal c)
+{ wd *= c; ht *= c; return *this; }
+
+inline bool operator==(const QSizeF &s1, const QSizeF &s2)
+{ return qFuzzyCompare(s1.wd, s2.wd) && qFuzzyCompare(s1.ht, s2.ht); }
+
+inline bool operator!=(const QSizeF &s1, const QSizeF &s2)
+{ return !qFuzzyCompare(s1.wd, s2.wd) || !qFuzzyCompare(s1.ht, s2.ht); }
+
+inline const QSizeF operator+(const QSizeF & s1, const QSizeF & s2)
+{ return QSizeF(s1.wd+s2.wd, s1.ht+s2.ht); }
+
+inline const QSizeF operator-(const QSizeF &s1, const QSizeF &s2)
+{ return QSizeF(s1.wd-s2.wd, s1.ht-s2.ht); }
+
+inline const QSizeF operator*(const QSizeF &s, qreal c)
+{ return QSizeF(s.wd*c, s.ht*c); }
+
+inline const QSizeF operator*(qreal c, const QSizeF &s)
+{ return QSizeF(s.wd*c, s.ht*c); }
+
+inline QSizeF &QSizeF::operator/=(qreal c)
+{
+    Q_ASSERT(!qFuzzyCompare(c + 1, 1));
+    wd = wd/c; ht = ht/c;
+    return *this;
+}
+
+inline const QSizeF operator/(const QSizeF &s, qreal c)
+{
+    Q_ASSERT(!qFuzzyCompare(c + 1, 1));
+    return QSizeF(s.wd/c, s.ht/c);
+}
+
+inline QSizeF QSizeF::expandedTo(const QSizeF & otherSize) const
+{
+    return QSizeF(qMax(wd,otherSize.wd), qMax(ht,otherSize.ht));
+}
+
+inline QSizeF QSizeF::boundedTo(const QSizeF & otherSize) const
+{
+    return QSizeF(qMin(wd,otherSize.wd), qMin(ht,otherSize.ht));
+}
+
+inline QSize QSizeF::toSize() const
+{
+    return QSize(qRound(wd), qRound(ht));
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QSizeF &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSIZE_H
diff --git a/src/corelib/tools/qstack.cpp b/src/corelib/tools/qstack.cpp
new file mode 100644
index 0000000000..9fdaf0ddfa
--- /dev/null
+++ b/src/corelib/tools/qstack.cpp
@@ -0,0 +1,129 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \class QStack
+    \brief The QStack class is a template class that provides a stack.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QStack\<T\> is one of Qt's generic \l{container classes}. It implements
+    a stack data structure for items of a same type.
+
+    A stack is a last in, first out (LIFO) structure. Items are added
+    to the top of the stack using push() and retrieved from the top
+    using pop(). The top() function provides access to the topmost
+    item without removing it.
+
+    Example:
+
+    \snippet doc/src/snippets/qstack/main.cpp 0
+
+    The example will output 3, 2, 1 in that order.
+
+    QStack inherits from QVector. All of QVector's functionality also
+    applies to QStack. For example, you can use isEmpty() to test
+    whether the stack is empty, and you can traverse a QStack using
+    QVector's iterator classes (for example, QVectorIterator). But in
+    addition, QStack provides three convenience functions that make
+    it easy to implement LIFO semantics: push(), pop(), and top().
+
+    QStack's value type must be an \l{assignable data type}. This
+    covers most data types that are commonly used, but the compiler
+    won't let you, for example, store a QWidget as a value; instead,
+    store a QWidget *.
+
+    \sa QVector, QQueue
+*/
+
+/*!
+    \fn QStack::QStack()
+
+    Constructs an empty stack.
+*/
+
+/*!
+    \fn QStack::~QStack()
+
+    Destroys the stack. References to the values in the stack, and all
+    iterators over this stack, become invalid.
+*/
+
+/*!
+    \fn void QStack::push(const T& t)
+
+    Adds element \a t to the top of the stack.
+
+    This is the same as QVector::append().
+
+    \sa pop(), top()
+*/
+
+/*!
+    \fn T& QStack::top()
+
+    Returns a reference to the stack's top item. This function
+    assumes that the stack isn't empty.
+
+    This is the same as QVector::last().
+
+    \sa pop(), push(), isEmpty()
+*/
+
+/*!
+    \fn const T& QStack::top() const
+
+    \overload
+
+    \sa pop(), push()
+*/
+
+/*!
+    \fn T QStack::pop()
+
+    Removes the top item from the stack and returns it. This function
+    assumes that the stack isn't empty.
+
+    \sa top(), push(), isEmpty()
+*/
diff --git a/src/corelib/tools/qstack.h b/src/corelib/tools/qstack.h
new file mode 100644
index 0000000000..f55b53db4d
--- /dev/null
+++ b/src/corelib/tools/qstack.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSTACK_H
+#define QSTACK_H
+
+#include <QtCore/qvector.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template<class T>
+class QStack : public QVector<T>
+{
+public:
+    inline QStack() {}
+    inline ~QStack() {}
+    inline void push(const T &t) { QVector<T>::append(t); }
+    T pop();
+    T &top();
+    const T &top() const;
+};
+
+template<class T>
+inline T QStack<T>::pop()
+{ Q_ASSERT(!this->isEmpty()); T t = this->data()[this->size() -1];
+  this->resize(this->size()-1); return t; }
+
+template<class T>
+inline T &QStack<T>::top()
+{ Q_ASSERT(!this->isEmpty()); this->detach(); return this->data()[this->size()-1]; }
+
+template<class T>
+inline const T &QStack<T>::top() const
+{ Q_ASSERT(!this->isEmpty()); return this->data()[this->size()-1]; }
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSTACK_H
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
new file mode 100644
index 0000000000..1b29adcfd2
--- /dev/null
+++ b/src/corelib/tools/qstring.cpp
@@ -0,0 +1,8083 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qstringlist.h"
+#include "qregexp.h"
+#include "qunicodetables_p.h"
+#ifndef QT_NO_TEXTCODEC
+#include <qtextcodec.h>
+#endif
+#include <qdatastream.h>
+#include <qlist.h>
+#include "qlocale.h"
+#include "qlocale_p.h"
+#include "qstringmatcher.h"
+#include "qvarlengtharray.h"
+#include "qtools_p.h"
+#include "qhash.h"
+#include "qdebug.h"
+
+#ifdef Q_OS_MAC
+#include <private/qcore_mac_p.h>
+#endif
+
+#include <private/qfunctions_p.h>
+
+#if defined(Q_OS_WINCE)
+#include <windows.h>
+#include <winnls.h>
+#endif
+
+#include <limits.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#ifdef truncate
+#undef truncate
+#endif
+
+#include "qchar.cpp"
+#include "qstringmatcher.cpp"
+
+#ifndef LLONG_MAX
+#define LLONG_MAX qint64_C(9223372036854775807)
+#endif
+#ifndef LLONG_MIN
+#define LLONG_MIN (-LLONG_MAX - qint64_C(1))
+#endif
+#ifndef ULLONG_MAX
+#define ULLONG_MAX quint64_C(18446744073709551615)
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_TEXTCODEC
+QTextCodec *QString::codecForCStrings;
+#endif
+
+#ifdef QT3_SUPPORT
+static QHash<void *, QByteArray> *asciiCache = 0;
+#endif
+
+// internal
+int qFindString(const QChar *haystack, int haystackLen, int from,
+    const QChar *needle, int needleLen, Qt::CaseSensitivity cs);
+int qFindStringBoyerMoore(const QChar *haystack, int haystackLen, int from,
+    const QChar *needle, int needleLen, Qt::CaseSensitivity cs);
+
+
+// Unicode case-insensitive comparison
+static int ucstricmp(const ushort *a, const ushort *ae, const ushort *b, const ushort *be)
+{
+    if (a == b)
+        return 0;
+    if (a == 0)
+        return 1;
+    if (b == 0)
+        return -1;
+
+    const ushort *e = ae;
+    if (be - b < ae - a)
+        e = a + (be - b);
+
+    uint alast = 0;
+    uint blast = 0;
+    while (a != e) {
+//         qDebug() << hex << alast << blast;
+//         qDebug() << hex << "*a=" << *a << "alast=" << alast << "folded=" << foldCase (*a, alast);
+//         qDebug() << hex << "*b=" << *b << "blast=" << blast << "folded=" << foldCase (*b, blast);
+        int diff = foldCase(*a, alast) - foldCase(*b, blast);
+        if ((diff))
+            return diff;
+        ++a;
+        ++b;
+    }
+    if (a == ae) {
+        if (b == be)
+            return 0;
+        return -1;
+    }
+    return 1;
+}
+
+// Case-insensitive comparison between a Unicode string and a QLatin1String
+static int ucstricmp(const ushort *a, const ushort *ae, const uchar *b)
+{
+    if (a == 0) {
+        if (b == 0)
+            return 0;
+        return 1;
+    }
+    if (b == 0)
+        return -1;
+
+    while (a != ae && *b) {
+        int diff = foldCase(*a) - foldCase(*b);
+        if ((diff))
+            return diff;
+        ++a;
+        ++b;
+    }
+    if (a == ae) {
+        if (!*b)
+            return 0;
+        return -1;
+    }
+    return 1;
+}
+
+// Unicode case-insensitive comparison
+static int ucstrcmp(const QChar *a, int alen, const QChar *b, int blen)
+{
+    if (a == b)
+        return 0;
+    int l = qMin(alen, blen);
+    while (l-- && *a == *b)
+        a++,b++;
+    if (l == -1)
+        return (alen-blen);
+    return a->unicode() - b->unicode();
+}
+
+// Unicode case-sensitive compare two same-sized strings
+static int ucstrncmp(const QChar *a, const QChar *b, int l)
+{
+    while (l-- && *a == *b)
+        a++,b++;
+    if (l==-1)
+        return 0;
+    return a->unicode() - b->unicode();
+}
+
+// Unicode case-insensitive compare two same-sized strings
+static int ucstrnicmp(const ushort *a, const ushort *b, int l)
+{
+    return ucstricmp(a, a + l, b, b + l);
+}
+
+
+/*!
+    \internal
+
+    Returns the index position of the first occurrence of the
+    character \a ch in the string given by \a str and \a len,
+    searching forward from index
+    position \a from. Returns -1 if \a ch could not be found.
+*/
+static int findChar(const QChar *str, int len, QChar ch, int from,
+    Qt::CaseSensitivity cs)
+{
+    const ushort *s = (const ushort *)str;
+    ushort c = ch.unicode();
+    if (from < 0)
+        from = qMax(from + len, 0);
+    if (from < len) {
+        const ushort *n = s + from - 1;
+        const ushort *e = s + len;
+        if (cs == Qt::CaseSensitive) {
+            while (++n != e)
+                if (*n == c)
+                    return  n - s;
+        } else {
+            c = foldCase(c);
+            while (++n != e)
+                if (foldCase(*n) == c)
+                    return  n - s;
+        }
+    }
+    return -1;
+}
+
+#define REHASH(a) \
+    if (sl_minus_1 < (int)sizeof(int) * CHAR_BIT)       \
+        hashHaystack -= (a) << sl_minus_1; \
+    hashHaystack <<= 1
+
+inline bool qIsUpper(char ch)
+{
+    return ch >= 'A' && ch <= 'Z';
+}
+
+inline bool qIsDigit(char ch)
+{
+    return ch >= '0' && ch <= '9';
+}
+
+inline char qToLower(char ch)
+{
+    if (ch >= 'A' && ch <= 'Z')
+        return ch - 'A' + 'a';
+    else
+        return ch;
+}
+
+#if defined(Q_CC_MSVC) && _MSC_VER <= 1300
+const QString::Null QString::null;
+#else
+const QString::Null QString::null = { };
+#endif
+
+/*!
+  \macro QT_NO_CAST_FROM_ASCII
+  \relates QString
+
+  Disables automatic conversions from 8-bit strings (char *) to unicode QStrings
+
+  \sa QT_NO_CAST_TO_ASCII, QT_NO_CAST_FROM_BYTEARRAY
+*/
+
+/*!
+  \macro QT_NO_CAST_TO_ASCII
+  \relates QString
+
+  disables automatic conversion from QString to ASCII 8-bit strings (char *)
+
+  \sa QT_NO_CAST_FROM_ASCII, QT_NO_CAST_FROM_BYTEARRAY
+*/
+
+/*!
+  \macro QT_ASCII_CAST_WARNINGS
+  \internal
+  \relates QString
+
+  This macro can be defined to force a warning whenever a function is
+  called that automatically converts between unicode and 8-bit encodings.
+
+  Note: This only works for compilers that support warnings for
+  deprecated API.
+
+  \sa QT_NO_CAST_TO_ASCII, QT_NO_CAST_FROM_ASCII
+*/
+
+/*!
+    \class QCharRef
+    \reentrant
+    \brief The QCharRef class is a helper class for QString.
+
+    \internal
+
+    \ingroup text
+
+    When you get an object of type QCharRef, if you can assign to it,
+    the assignment will apply to the character in the string from
+    which you got the reference. That is its whole purpose in life.
+    The QCharRef becomes invalid once modifications are made to the
+    string: if you want to keep the character, copy it into a QChar.
+
+    Most of the QChar member functions also exist in QCharRef.
+    However, they are not explicitly documented here.
+
+    \sa QString::operator[]() QString::at() QChar
+*/
+
+/*!
+    \class QString
+    \reentrant
+
+    \brief The QString class provides a Unicode character string.
+
+    \ingroup tools
+    \ingroup shared
+    \ingroup text
+    \mainclass
+
+    QString stores a string of 16-bit \l{QChar}s, where each QChar
+    corresponds one Unicode 4.0 character. (Unicode characters
+    with code values above 65535 are stored using surrogate pairs,
+    i.e., two consecutive \l{QChar}s.)
+
+    \l{Unicode} is an international standard that supports most of
+    the writing systems in use today. It is a superset of ASCII and
+    Latin-1 (ISO 8859-1), and all the ASCII/Latin-1 characters are
+    available at the same code positions.
+
+    Behind the scenes, QString uses \l{implicit sharing}
+    (copy-on-write) to reduce memory usage and to avoid the needless
+    copying of data. This also helps reduce the inherent overhead of
+    storing 16-bit characters instead of 8-bit characters.
+
+    In addition to QString, Qt also provides the QByteArray class to
+    store raw bytes and traditional 8-bit '\\0'-terminated strings.
+    For most purposes, QString is the class you want to use. It is
+    used throughout the Qt API, and the Unicode support ensures that
+    your applications will be easy to translate if you want to expand
+    your application's market at some point. The two main cases where
+    QByteArray is appropriate are when you need to store raw binary
+    data, and when memory conservation is critical (e.g., with
+    \l{Qt for Embedded Linux}).
+
+    \tableofcontents
+
+    \section1 Initializing a String
+
+    One way to initialize a QString is simply to pass a \c{const char
+    *} to its constructor. For example, the following code creates a
+    QString of size 5 containing the data "Hello":
+
+    \snippet doc/src/snippets/qstring/main.cpp 0
+
+    QString converts the \c{const char *} data into Unicode using the
+    fromAscii() function. By default, fromAscii() treats character
+    above 128 as Latin-1 characters, but this can be changed by
+    calling QTextCodec::setCodecForCStrings().
+
+    In all of the QString functions that take \c{const char *}
+    parameters, the \c{const char *} is interpreted as a classic
+    C-style '\\0'-terminated string. It is legal for the \c{const char
+    *} parameter to be 0.
+
+    You can also provide string data as an array of \l{QChar}s:
+
+    \snippet doc/src/snippets/qstring/main.cpp 1
+
+    QString makes a deep copy of the QChar data, so you can modify it
+    later without experiencing side effects. (If for performance
+    reasons you don't want to take a deep copy of the character data,
+    use QString::fromRawData() instead.)
+
+    Another approach is to set the size of the string using resize()
+    and to initialize the data character per character. QString uses
+    0-based indexes, just like C++ arrays. To access the character at
+    a particular index position, you can use \l operator[](). On
+    non-const strings, \l operator[]() returns a reference to a
+    character that can be used on the left side of an assignment. For
+    example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 2
+
+    For read-only access, an alternative syntax is to use the at()
+    function:
+
+    \snippet doc/src/snippets/qstring/main.cpp 3
+
+    The at() function can be faster than \l operator[](), because it
+    never causes a \l{deep copy} to occur. Alternatively, use the
+    left(), right(), or mid() functions to extract several characters
+    at a time.
+
+    A QString can embed '\\0' characters (QChar::Null). The size()
+    function always returns the size of the whole string, including
+    embedded '\\0' characters.
+
+    After a call to the resize() function, newly allocated characters
+    have undefined values. To set all the characters in the string to
+    a particular value, use the fill() function.
+
+    QString provides dozens of overloads designed to simplify string
+    usage. For example, if you want to compare a QString with a string
+    literal, you can write code like this and it will work as expected:
+
+    \snippet doc/src/snippets/qstring/main.cpp 4
+
+    You can also pass string literals to functions that take QStrings
+    as arguments, invoking the QString(const char *)
+    constructor. Similarly, you can pass a QString to a function that
+    takes a \c{const char *} argument using the \l qPrintable() macro
+    which returns the given QString as a \c{const char *}. This is
+    equivalent to calling <QString>.toLocal8Bit().constData().
+
+    \section1 Manipulating String Data
+
+    QString provides the following basic functions for modifying the
+    character data: append(), prepend(), insert(), replace(), and
+    remove(). For example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 5
+
+    If you are building a QString gradually and know in advance
+    approximately how many characters the QString will contain, you
+    can call reserve(), asking QString to preallocate a certain amount
+    of memory. You can also call capacity() to find out how much
+    memory QString actually allocated.
+
+    The replace() and remove() functions' first two arguments are the
+    position from which to start erasing and the number of characters
+    that should be erased.  If you want to replace all occurrences of
+    a particular substring with another, use one of the two-parameter
+    replace() overloads.
+
+    A frequent requirement is to remove whitespace characters from a
+    string ('\\n', '\\t', ' ', etc.). If you want to remove whitespace
+    from both ends of a QString, use the trimmed() function. If you
+    want to remove whitespace from both ends and replace multiple
+    consecutive whitespaces with a single space character within the
+    string, use simplified().
+
+    If you want to find all occurrences of a particular character or
+    substring in a QString, use the indexOf() or lastIndexOf()
+    functions. The former searches forward starting from a given index
+    position, the latter searches backward. Both return the index
+    position of the character or substring if they find it; otherwise,
+    they return -1.  For example, here's a typical loop that finds all
+    occurrences of a particular substring:
+
+    \snippet doc/src/snippets/qstring/main.cpp 6
+
+    QString provides many functions for converting numbers into
+    strings and strings into numbers. See the arg() functions, the
+    setNum() functions, the number() static functions, and the
+    toInt(), toDouble(), and similar functions.
+
+    To get an upper- or lowercase version of a string use toUpper() or
+    toLower().
+
+    Lists of strings are handled by the QStringList class. You can
+    split a string into a list of strings using the split() function,
+    and join a list of strings into a single string with an optional
+    separator using QStringList::join(). You can obtain a list of
+    strings from a string list that contain a particular substring or
+    that match a particular QRegExp using the QStringList::find()
+    function.
+:
+    \section1 Querying String Data
+
+    If you want to see if a QString starts or ends with a particular
+    substring use startsWith() or endsWith(). If you simply want to
+    check whether a QString contains a particular character or
+    substring, use the contains() function. If you want to find out
+    how many times a particular character or substring occurs in the
+    string, use count().
+
+    QStrings can be compared using overloaded operators such as \l
+    operator<(), \l operator<=(), \l operator==(), \l operator>=(),
+    and so on.  Note that the comparison is based exclusively on the
+    numeric Unicode values of the characters. It is very fast, but is
+    not what a human would expect; the QString::localeAwareCompare()
+    function is a better choice for sorting user-interface strings.
+
+    To obtain a pointer to the actual character data, call data() or
+    constData(). These functions return a pointer to the beginning of
+    the QChar data. The pointer is guaranteed to remain valid until a
+    non-const function is called on the QString.
+
+    \section1 Converting Between 8-Bit Strings and Unicode Strings
+
+    QString provides the following four functions that return a
+    \c{const char *} version of the string as QByteArray: toAscii(),
+    toLatin1(), toUtf8(), and toLocal8Bit().
+
+    \list
+    \o toAscii() returns an ASCII encoded 8-bit string.
+    \o toLatin1() returns a Latin-1 (ISO 8859-1) encoded 8-bit string.
+    \o toUtf8() returns a UTF-8 encoded 8-bit string. UTF-8 is a
+       superset of ASCII that supports the entire Unicode character
+       set through multibyte sequences.
+    \o toLocal8Bit() returns an 8-bit string using the system's local
+       encoding.
+    \endlist
+
+    To convert from one of these encodings, QString provides
+    fromAscii(), fromLatin1(), fromUtf8(), and fromLocal8Bit(). Other
+    encodings are supported through the QTextCodec class.
+
+    As mentioned above, QString provides a lot of functions and
+    operators that make it easy to interoperate with \c{const char *}
+    strings. But this functionality is a double-edged sword: It makes
+    QString more convenient to use if all strings are ASCII or
+    Latin-1, but there is always the risk that an implicit conversion
+    from or to \c{const char *} is done using the wrong 8-bit
+    encoding. To minimize these risks, you can turn off these implicit
+    conversions by defining the following two preprocessor symbols:
+
+    \list
+    \o \c QT_NO_CAST_FROM_ASCII disables automatic conversions from
+       ASCII to Unicode.
+    \o \c QT_NO_CAST_TO_ASCII disables automatic conversion from QString
+       to ASCII.
+    \endlist
+
+    One way to define these preprocessor symbols globally for your
+    application is to add the following entry to your
+    \l{qmake Project Files}{qmake project file}:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qstring.cpp 0
+
+    You then need to explicitly call fromAscii(), fromLatin1(),
+    fromUtf8(), or fromLocal8Bit() to construct a QString from an
+    8-bit string, or use the lightweight QLatin1String class, for
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qstring.cpp 1
+
+    Similarly, you must call toAscii(), toLatin1(), toUtf8(), or
+    toLocal8Bit() explicitly to convert the QString to an 8-bit
+    string.  (Other encodings are supported through the QTextCodec
+    class.)
+
+    \table 100 %
+    \row
+    \o
+    \section1 Note for C Programmers
+
+    Due to C++'s type system and the fact that QString is
+    \l{implicitly shared}, QStrings may be treated like \c{int}s or
+    other basic types. For example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 7
+
+    The \c result variable, is a normal variable allocated on the
+    stack. When \c return is called, and because we're returning by
+    value, the copy constructor is called and a copy of the string is
+    returned. No actual copying takes place thanks to the implicit
+    sharing.
+
+    \endtable
+
+    \section1 Distinction Between Null and Empty Strings
+
+    For historical reasons, QString distinguishes between a null
+    string and an empty string. A \e null string is a string that is
+    initialized using QString's default constructor or by passing
+    (const char *)0 to the constructor. An \e empty string is any
+    string with size 0. A null string is always empty, but an empty
+    string isn't necessarily null:
+
+    \snippet doc/src/snippets/qstring/main.cpp 8
+
+    All functions except isNull() treat null strings the same as empty
+    strings. For example, toAscii().constData() returns a pointer to a
+    '\\0' character for a null string (\e not a null pointer), and
+    QString() compares equal to QString(""). We recommend that you
+    always use the isEmpty() function and avoid isNull().
+    
+    \section1 Argument Formats
+
+    In member functions where an argument \e format can be specified
+    (e.g., arg(), number()), the argument \e format can be one of the
+    following:
+
+    \table
+    \header \o Format \o Meaning
+    \row \o \c e \o format as [-]9.9e[+|-]999
+    \row \o \c E \o format as [-]9.9E[+|-]999
+    \row \o \c f \o format as [-]9.9
+    \row \o \c g \o use \c e or \c f format, whichever is the most concise
+    \row \o \c G \o use \c E or \c f format, whichever is the most concise
+    \endtable
+
+    A \e precision is also specified with the argument \e format. For
+    the 'e', 'E', and 'f' formats, the \e precision represents the
+    number of digits \e after the decimal point. For the 'g' and 'G'
+    formats, the \e precision represents the maximum number of
+    significant digits (trailing zeroes are omitted).
+
+    \sa fromRawData(), QChar, QLatin1String, QByteArray, QStringRef
+*/
+
+/*!
+    \enum QString::SplitBehavior
+
+    This enum specifies how the split() function should behave with
+    respect to empty strings.
+
+    \value KeepEmptyParts  If a field is empty, keep it in the result.
+    \value SkipEmptyParts  If a field is empty, don't include it in the result.
+
+    \sa split()
+*/
+
+QString::Data QString::shared_null = { Q_BASIC_ATOMIC_INITIALIZER(1),
+                                       0, 0, shared_null.array, 0, 0, 0, 0, 0, 0, {0} };
+QString::Data QString::shared_empty = { Q_BASIC_ATOMIC_INITIALIZER(1),
+                                        0, 0, shared_empty.array, 0, 0, 0, 0, 0, 0, {0} };
+
+int QString::grow(int size)
+{
+    return qAllocMore(size * sizeof(QChar), sizeof(Data)) / sizeof(QChar);
+}
+
+/*! \typedef QString::ConstIterator
+
+    Qt-style synonym for QString::const_iterator.
+*/
+
+/*! \typedef QString::Iterator
+
+    Qt-style synonym for QString::iterator.
+*/
+
+/*! \typedef QString::const_iterator
+
+    The QString::const_iterator typedef provides an STL-style const
+    iterator for QString.
+
+    \sa QString::iterator
+*/
+
+/*! \typedef QString::iterator
+
+    The QString::iterator typedef provides an STL-style non-const
+    iterator for QString.
+
+    \sa QString::const_iterator
+*/
+
+/*! \fn QString::iterator QString::begin()
+
+    Returns an \l{STL-style iterator} pointing to the first character in
+    the string.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QString::const_iterator QString::begin() const
+
+    \overload begin()
+*/
+
+/*! \fn QString::const_iterator QString::constBegin() const
+
+    Returns a const \l{STL-style iterator} pointing to the first character
+    in the string.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QString::iterator QString::end()
+
+    Returns an \l{STL-style iterator} pointing to the imaginary character
+    after the last character in the string.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QString::const_iterator QString::end() const
+
+    \overload end()
+*/
+
+/*! \fn QString::const_iterator QString::constEnd() const
+
+    Returns a const \l{STL-style iterator} pointing to the imaginary
+    item after the last item in the list.
+
+    \sa constBegin(), end()
+*/
+
+/*!
+    \fn QString::QString()
+
+    Constructs a null string. Null strings are also empty.
+
+    \sa isEmpty()
+*/
+
+/*! \fn QString::QString(const char *str)
+
+    Constructs a string initialized with the ASCII string \a str. The
+    given const char pointer is converted to Unicode using the
+    fromAscii() function.
+
+    You can disable this constructor by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+
+    \sa fromAscii(), fromLatin1(), fromLocal8Bit(), fromUtf8()
+*/
+
+/*! \fn QString QString::fromStdString(const std::string &str)
+
+    Returns a copy of the \a str string. The given string is converted
+    to Unicode using the fromAscii() function.
+
+    This constructor is only available if Qt is configured with STL
+    compatibility enabled.
+
+    \sa  fromAscii(), fromLatin1(), fromLocal8Bit(), fromUtf8()
+*/
+
+/*! \fn QString QString::fromStdWString(const std::wstring &str)
+
+    Returns a copy of the \a str string. The given string is assumed
+    to be encoded in utf16 if the size of wchar_t is 2 bytes (e.g. on
+    windows) and ucs4 if the size of wchar_t is 4 bytes (most Unix
+    systems).
+
+    This method is only available if Qt is configured with STL
+    compatibility enabled.
+
+    \sa fromUtf16(), fromLatin1(), fromLocal8Bit(), fromUtf8(), fromUcs4()
+*/
+
+/*!
+    \since 4.2
+
+    Returns a copy of the \a string string encoded in ucs4.
+
+    If \a size is -1 (default), the \a string has to be 0 terminated.
+
+    \sa fromUtf16(), fromLatin1(), fromLocal8Bit(), fromUtf8(), fromUcs4(), fromStdWString()
+*/
+QString QString::fromWCharArray(const wchar_t *string, int size)
+{
+    if (sizeof(wchar_t) == sizeof(QChar)) {
+        return fromUtf16((ushort *)string, size);
+    } else {
+        return fromUcs4((uint *)string, size);
+    }
+}
+
+/*! \fn std::wstring QString::toStdWString() const
+
+    Returns a std::wstring object with the data contained in this
+    QString. The std::wstring is encoded in utf16 on platforms where
+    wchar_t is 2 bytes wide (e.g. windows) and in ucs4 on platforms
+    where wchar_t is 4 bytes wide (most Unix systems).
+
+    This operator is mostly useful to pass a QString to a function
+    that accepts a std::wstring object.
+
+    This operator is only available if Qt is configured with STL
+    compatibility enabled.
+
+    \sa utf16(), toAscii(), toLatin1(), toUtf8(), toLocal8Bit()
+*/
+
+/*!
+  \since 4.2
+
+  Fills the \a array with the data contained in this QString object.
+  The array is encoded in utf16 on platforms where
+  wchar_t is 2 bytes wide (e.g. windows) and in ucs4 on platforms
+  where wchar_t is 4 bytes wide (most Unix systems).
+
+  \a array has to be allocated by the caller and contain enough space to
+  hold the complete string (allocating the array with the same length as the
+  string is always sufficient).
+
+  returns the actual length of the string in \a array.
+
+  \note This function does not append a null character to the array.
+
+  \sa utf16(), toUcs4(), toAscii(), toLatin1(), toUtf8(), toLocal8Bit(), toStdWString()
+*/
+int QString::toWCharArray(wchar_t *array) const
+{
+    if (sizeof(wchar_t) == sizeof(QChar)) {
+        memcpy(array, utf16(), sizeof(wchar_t)*length());
+        return length();
+    } else {
+        wchar_t *a = array;
+        const unsigned short *uc = utf16();
+        for (int i = 0; i < length(); ++i) {
+            uint u = uc[i];
+            if (u >= 0xd800 && u < 0xdc00 && i < length()-1) {
+                ushort low = uc[i+1];
+                if (low >= 0xdc00 && low < 0xe000) {
+                    ++i;
+                    u = (u - 0xd800)*0x400 + (low - 0xdc00) + 0x10000;
+                }
+            }
+            *a = wchar_t(u);
+            ++a;
+        }
+        return a - array;
+    }
+}
+
+/*! \fn QString::QString(const QString &other)
+
+    Constructs a copy of \a other.
+
+    This operation takes \l{constant time}, because QString is
+    \l{implicitly shared}. This makes returning a QString from a
+    function very fast. If a shared instance is modified, it will be
+    copied (copy-on-write), and that takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*!
+    Constructs a string initialized with the first \a size characters
+    of the QChar array \a unicode.
+
+    QString makes a deep copy of the string data.
+*/
+QString::QString(const QChar *unicode, int size)
+{
+   if (!unicode) {
+        d = &shared_null;
+        d->ref.ref();
+    } else if (size <= 0) {
+        d = &shared_empty;
+        d->ref.ref();
+    } else {
+        d = (Data*) qMalloc(sizeof(Data)+size*sizeof(QChar));
+        d->ref = 1;
+        d->alloc = d->size = size;
+        d->clean = d->asciiCache = d->simpletext = d->righttoleft = d->capacity = 0;
+        d->data = d->array;
+        memcpy(d->array, unicode, size * sizeof(QChar));
+        d->array[size] = '\0';
+    }
+}
+
+
+/*!
+    Constructs a string of the given \a size with every character set
+    to \a ch.
+
+    \sa fill()
+*/
+QString::QString(int size, QChar ch)
+{
+   if (size <= 0) {
+        d = &shared_empty;
+        d->ref.ref();
+    } else {
+        d = (Data*) qMalloc(sizeof(Data)+size*sizeof(QChar));
+        d->ref = 1;
+        d->alloc = d->size = size;
+        d->clean = d->asciiCache = d->simpletext = d->righttoleft = d->capacity = 0;
+        d->data = d->array;
+        d->array[size] = '\0';
+        ushort *i = d->array + size;
+        ushort *b = d->array;
+        const ushort value = ch.unicode();
+        while (i != b)
+           *--i = value;
+    }
+}
+
+/*! \fn QString::QString(const QLatin1String &str)
+
+    Constructs a copy of the Latin-1 string \a str.
+
+    \sa fromLatin1()
+*/
+
+/*!
+    Constructs a string of size 1 containing the character \a ch.
+*/
+QString::QString(QChar ch)
+{
+    d = (Data *)qMalloc(sizeof(Data) + sizeof(QChar));
+    d->ref = 1;
+    d->alloc = d->size = 1;
+    d->clean = d->asciiCache = d->simpletext = d->righttoleft = d->capacity = 0;
+    d->data = d->array;
+    d->array[0] = ch.unicode();
+    d->array[1] = '\0';
+}
+
+/*! \fn QString::QString(const QByteArray &ba)
+
+    Constructs a string initialized with the byte array \a ba. The
+    given byte array is converted to Unicode using fromAscii(). Stops
+    copying at the first 0 character, otherwise copies the entire byte
+    array.
+
+    You can disable this constructor by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+
+    \sa fromAscii(), fromLatin1(), fromLocal8Bit(), fromUtf8()
+*/
+
+/*! \fn QString::QString(const Null &)
+    \internal
+*/
+
+/*! \fn QString &QString::operator=(const Null &)
+    \internal
+*/
+
+/*!
+  \fn QString::~QString()
+
+    Destroys the string.
+*/
+
+
+/*! \fn void QString::detach()
+
+    \internal
+*/
+
+/*! \fn void QString::isDetached() const
+
+    \internal
+*/
+
+// ### Qt 5: rename freeData() to avoid confusion. See task 197625.
+void QString::free(Data *d)
+{
+#ifdef QT3_SUPPORT
+    if (d->asciiCache) {
+        Q_ASSERT(asciiCache);
+        asciiCache->remove(d);
+    }
+#endif
+    qFree(d);
+}
+
+/*!
+    Sets the size of the string to \a size characters.
+
+    If \a size is greater than the current size, the string is
+    extended to make it \a size characters long with the extra
+    characters added to the end. The new characters are uninitialized.
+
+    If \a size is less than the current size, characters are removed
+    from the end.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 45
+
+    If you want to append a certain number of identical characters to
+    the string, use \l operator+=() as follows rather than resize():
+
+    \snippet doc/src/snippets/qstring/main.cpp 46
+
+    If you want to expand the string so that it reaches a certain
+    width and fill the new positions with a particular character, use
+    the leftJustified() function:
+
+    If \a size is negative, it is equivalent to passing zero.
+
+    \snippet doc/src/snippets/qstring/main.cpp 47
+
+    \sa truncate(), reserve()
+*/
+
+void QString::resize(int size)
+{
+    if (size < 0)
+        size = 0;
+
+    if (size == 0 && !d->capacity) {
+        Data *x = &shared_empty;
+        x->ref.ref();
+        if (!d->ref.deref())
+            QString::free(d);
+        d = x;
+    } else {
+        if (d->ref != 1 || size > d->alloc ||
+            (!d->capacity && size < d->size && size < d->alloc >> 1))
+            realloc(grow(size));
+        if (d->alloc >= size) {
+            d->size = size;
+            if (d->data == d->array) {
+                d->array[size] = '\0';
+            }
+        }
+    }
+}
+
+/*! \fn int QString::capacity() const
+
+    Returns the maximum number of characters that can be stored in
+    the string without forcing a reallocation.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QString's memory usage. In general, you will rarely ever
+    need to call this function. If you want to know how many
+    characters are in the string, call size().
+
+    \sa reserve(), squeeze()
+*/
+
+/*!
+    \fn void QString::reserve(int size)
+
+    Attempts to allocate memory for at least \a size characters. If
+    you know in advance how large the string will be, you can call
+    this function, and if you resize the string often you are likely
+    to get better performance. If \a size is an underestimate, the
+    worst that will happen is that the QString will be a bit slower.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QString's memory usage. In general, you will rarely ever
+    need to call this function. If you want to change the size of the
+    string, call resize().
+
+    This function is useful for code that needs to build up a long
+    string and wants to avoid repeated reallocation. In this example,
+    we want to add to the string until some condition is true, and
+    we're fairly sure that size is large enough to make a call to
+    reserve() worthwhile:
+
+    \snippet doc/src/snippets/qstring/main.cpp 44
+
+    \sa squeeze(), capacity()
+*/
+
+/*!
+    \fn void QString::squeeze()
+
+    Releases any memory not required to store the character data.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QString's memory usage. In general, you will rarely ever
+    need to call this function.
+
+    \sa reserve(), capacity()
+*/
+
+// ### Qt 5: rename reallocData() to avoid confusion. 197625
+void QString::realloc(int alloc)
+{
+    if (d->ref != 1 || d->data != d->array) {
+        Data *x = static_cast<Data *>(qMalloc(sizeof(Data) + alloc * sizeof(QChar)));
+        if (!x)
+            return;
+        x->size = qMin(alloc, d->size);
+        ::memcpy(x->array, d->data, x->size * sizeof(QChar));
+        x->array[x->size] = 0;
+        x->asciiCache = 0;
+        x->ref = 1;
+        x->alloc = alloc;
+        x->clean = d->clean;
+        x->simpletext = d->simpletext;
+        x->righttoleft = d->righttoleft;
+        x->capacity = d->capacity;
+        x->data = x->array;
+        if (!d->ref.deref())
+            QString::free(d);
+        d = x;
+    } else {
+#ifdef QT3_SUPPORT
+        if (d->asciiCache) {
+            Q_ASSERT(asciiCache);
+            asciiCache->remove(d);
+        }
+#endif
+        Data *x = static_cast<Data *>(qRealloc(d, sizeof(Data) + alloc * sizeof(QChar)));
+        if (!x)
+            return;
+        x->alloc = alloc;
+        x->data = x->array;
+        d = x;
+    }
+}
+
+void QString::realloc()
+{
+    realloc(d->size);
+}
+
+void QString::expand(int i)
+{
+    int sz = d->size;
+    resize(qMax(i + 1, sz));
+    if (d->size - 1 > sz) {
+        ushort *n = d->data + d->size - 1;
+        ushort *e = d->data + sz;
+        while (n != e)
+           * --n = ' ';
+    }
+}
+
+/*! \fn void QString::clear()
+
+    Clears the contents of the string and makes it empty.
+
+    \sa resize(), isEmpty()
+*/
+
+/*! \fn QString &QString::operator=(const QString &other)
+
+    Assigns \a other to this string and returns a reference to this
+    string.
+*/
+
+QString &QString::operator=(const QString &other)
+{
+    other.d->ref.ref();
+    if (!d->ref.deref())
+        QString::free(d);
+    d = other.d;
+    return *this;
+}
+
+
+/*! \fn QString &QString::operator=(const QLatin1String &str)
+
+    \overload operator=()
+
+    Assigns the Latin-1 string \a str to this string.
+*/
+
+/*! \fn QString &QString::operator=(const QByteArray &ba)
+
+    \overload operator=()
+
+    Assigns \a ba to this string. The byte array is converted to
+    Unicode using the fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn QString &QString::operator=(const char *str)
+
+    \overload operator=()
+
+    Assigns \a str to this string. The const char pointer is converted
+    to Unicode using the fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn QString &QString::operator=(char ch)
+
+    \overload operator=()
+
+    Assigns character \a ch to this string. The character is converted
+    to Unicode using the fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*!
+    \overload operator=()
+
+    Sets the string to contain the single character \a ch.
+*/
+QString &QString::operator=(QChar ch)
+{
+    return operator=(QString(ch));
+}
+
+/*!
+     \fn QString& QString::insert(int position, const QString &str)
+
+    Inserts the string \a str at the given index \a position and
+    returns a reference to this string.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 26
+
+    If the given \a position is greater than size(), the array is
+    first extended using resize().
+
+    \sa append(), prepend(), replace(), remove()
+*/
+
+
+/*!
+    \fn QString &QString::insert(int position, const QLatin1String &str)
+    \overload insert()
+
+    Inserts the Latin-1 string \a str at the given index \a position.
+*/
+QString &QString::insert(int i, const QLatin1String &str)
+{
+    const uchar *s = (const uchar *)str.latin1();
+    if (i < 0 || !s || !(*s))
+        return *this;
+
+    int len = qstrlen(str.latin1());
+    expand(qMax(d->size, i) + len - 1);
+
+    ::memmove(d->data + i + len, d->data + i, (d->size - i - len) * sizeof(QChar));
+    for (int j = 0; j < len; ++j)
+        d->data[i + j] = s[j];
+    return *this;
+}
+
+/*!
+    \fn QString& QString::insert(int position, const QChar *unicode, int size)
+    \overload insert()
+
+    Inserts the first \a size characters of the QChar array \a unicode
+    at the given index \a position in the string.
+*/
+QString& QString::insert(int i, const QChar *unicode, int size)
+{
+    if (i < 0 || size <= 0)
+        return *this;
+
+    const ushort *s = (const ushort *)unicode;
+    if (s >= d->data && s < d->data + d->alloc) {
+        // Part of me - take a copy
+        ushort *tmp = static_cast<ushort *>(qMalloc(size * sizeof(QChar)));
+        memcpy(tmp, s, size * sizeof(QChar));
+        insert(i, reinterpret_cast<const QChar *>(tmp), size);
+        qFree(tmp);
+        return *this;
+    }
+
+    expand(qMax(d->size, i) + size - 1);
+
+    ::memmove(d->data + i + size, d->data + i, (d->size - i - size) * sizeof(QChar));
+    memcpy(d->data + i, s, size * sizeof(QChar));
+    return *this;
+}
+
+/*!
+    \fn QString& QString::insert(int position, QChar ch)
+    \overload insert()
+
+    Inserts \a ch at the given index \a position in the string.
+*/
+
+QString& QString::insert(int i, QChar ch)
+{
+    if (i < 0)
+        i += d->size;
+    if (i < 0)
+        return *this;
+    expand(qMax(i, d->size));
+    ::memmove(d->data + i + 1, d->data + i, (d->size - i) * sizeof(QChar));
+    d->data[i] = ch.unicode();
+    return *this;
+}
+
+/*!
+    Appends the string \a str onto the end of this string.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 9
+
+    This is the same as using the insert() function:
+
+    \snippet doc/src/snippets/qstring/main.cpp 10
+
+    The append() function is typically very fast (\l{constant time}),
+    because QString preallocates extra space at the end of the string
+    data so it can grow without reallocating the entire string each
+    time.
+
+    \sa operator+=(), prepend(), insert()
+*/
+QString &QString::append(const QString &str)
+{
+    if (str.d != &shared_null) {
+        if (d == &shared_null) {
+            operator=(str);
+        } else {
+            if (d->ref != 1 || d->size + str.d->size > d->alloc)
+                realloc(grow(d->size + str.d->size));
+            memcpy(d->data + d->size, str.d->data, str.d->size * sizeof(QChar));
+            d->size += str.d->size;
+            d->data[d->size] = '\0';
+        }
+    }
+    return *this;
+}
+
+/*!
+  \overload append()
+
+  Appends the Latin-1 string \a str to this string.
+*/
+QString &QString::append(const QLatin1String &str)
+{
+    const uchar *s = (const uchar *)str.latin1();
+    if (s) {
+        int len = qstrlen((char *)s);
+        if (d->ref != 1 || d->size + len > d->alloc)
+            realloc(grow(d->size + len));
+        ushort *i = d->data + d->size;
+        while ((*i++ = *s++))
+            ;
+        d->size += len;
+    }
+    return *this;
+}
+
+/*! \fn QString &QString::append(const QByteArray &ba)
+
+    \overload append()
+
+    Appends the byte array \a ba to this string. The given byte array
+    is converted to Unicode using the fromAscii() function.
+
+    You can disable this function by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*! \fn QString &QString::append(const char *str)
+
+    \overload append()
+
+    Appends the string \a str to this string. The given const char
+    pointer is converted to Unicode using the fromAscii() function.
+
+    You can disable this function by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*!
+    \overload append()
+
+    Appends the character \a ch to this string.
+*/
+QString &QString::append(QChar ch)
+{
+    if (d->ref != 1 || d->size + 1 > d->alloc)
+        realloc(grow(d->size + 1));
+    d->data[d->size++] = ch.unicode();
+    d->data[d->size] = '\0';
+    return *this;
+}
+
+/*! \fn QString &QString::prepend(const QString &str)
+
+    Prepends the string \a str to the beginning of this string and
+    returns a reference to this string.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 36
+
+    \sa append(), insert()
+*/
+
+/*! \fn QString &QString::prepend(const QLatin1String &str)
+
+    \overload prepend()
+
+    Prepends the Latin-1 string \a str to this string.
+*/
+
+/*! \fn QString &QString::prepend(const QByteArray &ba)
+
+    \overload prepend()
+
+    Prepends the byte array \a ba to this string. The byte array is
+    converted to Unicode using the fromAscii() function.
+
+    You can disable this function by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn QString &QString::prepend(const char *str)
+
+    \overload prepend()
+
+    Prepends the string \a str to this string. The const char pointer
+    is converted to Unicode using the fromAscii() function.
+
+    You can disable this function by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn QString &QString::prepend(QChar ch)
+
+    \overload prepend()
+
+    Prepends the character \a ch to this string.
+*/
+
+/*!
+  \fn QString &QString::remove(int position, int n)
+
+  Removes \a n characters from the string, starting at the given \a
+  position index, and returns a reference to the string.
+
+  If the specified \a position index is within the string, but \a
+  position + \a n is beyond the end of the string, the string is
+  truncated at the specified \a position.
+
+  \snippet doc/src/snippets/qstring/main.cpp 37
+  
+  \sa insert(), replace()
+*/
+QString &QString::remove(int pos, int len)
+{
+    if (pos < 0)
+        pos += d->size;
+    if (pos < 0 || pos >= d->size) {
+        // range problems
+    } else if (pos + len >= d->size) {  // pos ok
+        resize(pos);
+    } else if (len > 0) {
+        detach();
+        memmove(d->data + pos, d->data + pos + len,
+                (d->size - pos - len + 1) * sizeof(ushort));
+        d->size -= len;
+    }
+    return *this;
+}
+
+/*!
+  Removes every occurrence of the given \a str string in this
+  string, and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is
+  case sensitive; otherwise the search is case insensitive.
+
+  This is the same as \c replace(str, "", cs).
+
+  \sa replace()
+*/
+QString &QString::remove(const QString &str, Qt::CaseSensitivity cs)
+{
+    if (str.d->size) {
+        int i = 0;
+        while ((i = indexOf(str, i, cs)) != -1)
+            remove(i, str.d->size);
+    }
+    return *this;
+}
+
+/*!
+  Removes every occurrence of the character \a ch in this string, and
+  returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  Example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 38
+
+  This is the same as \c replace(ch, "", cs).
+
+  \sa replace()
+*/
+QString &QString::remove(QChar ch, Qt::CaseSensitivity cs)
+{
+    int i = 0;
+    ushort c = ch.unicode();
+    if (cs == Qt::CaseSensitive) {
+        while (i < d->size)
+            if (d->data[i] == ch)
+                remove(i, 1);
+            else
+                i++;
+    } else {
+        c = foldCase(c);
+        while (i < d->size)
+            if (foldCase(d->data[i]) == c)
+                remove(i, 1);
+            else
+                i++;
+    }
+    return *this;
+}
+
+/*!
+  \fn QString &QString::remove(const QRegExp &rx)
+
+  Removes every occurrence of the regular expression \a rx in the
+  string, and returns a reference to the string. For example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 39
+
+  \sa indexOf(), lastIndexOf(), replace()
+*/
+
+/*!
+  \fn QString &QString::replace(int position, int n, const QString &after)
+
+  Replaces \a n characters beginning at index \a position with
+  the string \a after and returns a reference to this string.
+
+  Example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 40
+
+  \sa insert(), remove()
+*/
+QString &QString::replace(int pos, int len, const QString &after)
+{
+    QString copy = after;
+    return replace(pos, len, copy.constData(), copy.length());
+}
+
+/*!
+  \fn QString &QString::replace(int position, int n, const QChar *unicode, int size)
+  \overload replace()
+  Replaces \a n characters beginning at index \a position with the
+  first \a size characters of the QChar array \a unicode and returns a
+  reference to this string.
+*/
+QString &QString::replace(int pos, int len, const QChar *unicode, int size)
+{
+    if (pos < 0 || pos > d->size)
+        return *this;
+    if (pos + len > d->size)
+        len = d->size - pos;
+    
+    uint index = pos;
+    replace_helper(&index, 1, len, unicode, size);
+    return *this;
+}
+
+/*!
+  \fn QString &QString::replace(int position, int n, QChar after)
+  \overload replace()
+  
+  Replaces \a n characters beginning at index \a position with the
+  character \a after and returns a reference to this string.
+*/
+QString &QString::replace(int pos, int len, QChar after)
+{
+    uint index = pos;
+    replace_helper(&index, 1, len, &after, 1);
+    return *this;
+}
+
+/*!
+  \overload replace()
+  Replaces every occurrence of the string \a before with the string \a
+  after and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  Example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 41
+
+  \note The replacement text is not rescanned after it is inserted.
+
+  Example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 86
+*/
+QString &QString::replace(const QString &before, const QString &after, Qt::CaseSensitivity cs)
+{
+    return replace(before.constData(), before.size(), after.constData(), after.size(), cs);
+}
+
+/*!
+  \internal
+ */
+void QString::replace_helper(uint *indices, int nIndices, int blen, const QChar *after, int alen)
+{
+    if (blen == alen) {
+        detach();
+        for (int i = 0; i < nIndices; ++i) 
+            memcpy(d->data + indices[i], after, alen * sizeof(QChar));
+    } else if (alen < blen) {
+        detach();
+        uint to = indices[0];
+        if (alen)
+            memcpy(d->data+to, after, alen*sizeof(QChar));
+        to += alen;
+        uint movestart = indices[0] + blen;
+        for (int i = 1; i < nIndices; ++i) {
+            int msize = indices[i] - movestart;
+            if (msize > 0) {
+                memmove(d->data + to, d->data + movestart, msize * sizeof(QChar));
+                to += msize;
+            }
+            if (alen) {
+                memcpy(d->data + to, after, alen*sizeof(QChar));
+                to += alen;
+            }
+            movestart = indices[i] + blen;
+        }
+        int msize = d->size - movestart;
+        if (msize > 0)
+            memmove(d->data + to, d->data + movestart, msize * sizeof(QChar));
+        resize(d->size - nIndices*(blen-alen));
+    } else {
+        // we have a table of replacement positions, use them for fast replacing
+        int adjust = nIndices*(alen-blen);
+        int newLen = d->size + adjust;
+        int moveend = d->size;
+        resize(newLen);
+        
+        while (nIndices) {
+            --nIndices;
+            int movestart = indices[nIndices] + blen;
+            int insertstart = indices[nIndices] + nIndices*(alen-blen);
+            int moveto = insertstart + alen;
+            memmove(d->data + moveto, d->data + movestart,
+                    (moveend - movestart)*sizeof(QChar));
+            memcpy(d->data + insertstart, after, alen*sizeof(QChar));
+            moveend = movestart-blen;
+        }
+    }
+}
+
+/*!
+  \since 4.5
+  \overload replace()
+
+  Replaces each occurrence in this string of the first \a blen
+  characters of \a before with the first \a alen characters of \a
+  after and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+*/
+QString &QString::replace(const QChar *before, int blen,
+                          const QChar *after, int alen,
+                          Qt::CaseSensitivity cs)
+{
+    if (d->size == 0) {
+        if (blen)
+            return *this;
+    } else {
+        if (cs == Qt::CaseSensitive && before == after && blen == alen)
+            return *this;
+    }
+    if (alen == 0 && blen == 0)
+        return *this;
+
+    // protect against before or after being part of this
+    const QChar *a = after;
+    const QChar *b = before;
+    if (after >= (const QChar *)d->data && after < (const QChar *)d->data + d->size) {
+        QChar *copy = (QChar *)malloc(alen*sizeof(QChar));
+        memcpy(copy, after, alen*sizeof(QChar));
+        a = copy;
+    }
+    if (before >= (const QChar *)d->data && before < (const QChar *)d->data + d->size) {
+        QChar *copy = (QChar *)malloc(blen*sizeof(QChar));
+        memcpy(copy, before, blen*sizeof(QChar));
+        b = copy;
+    }
+    
+    QStringMatcher matcher(b, blen, cs);
+
+    int index = 0;
+    while (1) {
+        uint indices[1024];
+        uint pos = 0;
+        while (pos < 1023) {
+            index = matcher.indexIn(*this, index);
+            if (index == -1)
+                break;
+            indices[pos++] = index;
+            index += blen;
+            // avoid infinite loop
+            if (!blen)
+                index++;
+        }
+        if (!pos)
+            break;
+
+        replace_helper(indices, pos, blen, a, alen);
+
+        if (index == -1)
+            break;
+        // index has to be adjusted in case we get back into the loop above.
+        index += pos*(alen-blen);
+    }
+    
+    if (a != after)
+        ::free((QChar *)a);
+    if (b != before)
+        ::free((QChar *)b);
+
+    return *this;
+}
+
+/*!
+  \overload replace()
+  Replaces every occurrence of the character \a ch in the string with
+  \a after and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+*/
+QString& QString::replace(QChar ch, const QString &after, Qt::CaseSensitivity cs)
+{
+    if (after.d->size == 0)
+        return remove(ch, cs);
+
+    if (after.d->size == 1)
+        return replace(ch, after.d->data[0], cs);
+
+    if (d->size == 0)
+        return *this;
+
+    ushort cc = (cs == Qt::CaseSensitive ? ch.unicode() : ch.toCaseFolded().unicode());
+
+    int index = 0;
+    while (1) {
+        uint indices[1024];
+        uint pos = 0;
+        if (cs == Qt::CaseSensitive) {
+            while (pos < 1023 && index < d->size) {
+                if (d->data[index] == cc)
+                    indices[pos++] = index;
+                index++;
+            }
+        } else {
+            while (pos < 1023 && index < d->size) {
+                if (QChar::toCaseFolded(d->data[index]) == cc)
+                    indices[pos++] = index;
+                index++;
+            }
+        }
+        if (!pos)
+            break;
+
+        replace_helper(indices, pos, 1, after.constData(), after.d->size);
+
+        if (index == -1)
+            break;
+        // index has to be adjusted in case we get back into the loop above.
+        index += pos*(after.d->size - 1);
+    }
+    return *this;
+}
+
+/*!
+  \overload replace()
+  Replaces every occurrence of the character \a before with the
+  character \a after and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+*/
+QString& QString::replace(QChar before, QChar after, Qt::CaseSensitivity cs)
+{
+    ushort a = after.unicode();
+    ushort b = before.unicode();
+    if (d->size) {
+        detach();
+        ushort *i = d->data;
+        const ushort *e = i + d->size;
+        if (cs == Qt::CaseSensitive) {
+            for (; i != e; ++i)
+                if (*i == b)
+                    *i = a;
+        } else {
+            b = foldCase(b);
+            for (; i != e; ++i)
+                if (foldCase(*i) == b)
+                    *i = a;
+        }
+    }
+    return *this;
+}
+
+/*!
+  \since 4.5
+  \overload replace()
+
+  Replaces every occurrence of the string \a before with the string \a
+  after and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  \note The text is not rescanned after a replacement.
+*/
+QString &QString::replace(const QLatin1String &before,
+                          const QLatin1String &after,
+                          Qt::CaseSensitivity cs)
+{
+    int alen = qstrlen(after.latin1());
+    QVarLengthArray<ushort> a(alen);
+    for (int i = 0; i < alen; ++i)
+        a[i] = (uchar)after.latin1()[i];
+    int blen = qstrlen(before.latin1());
+    QVarLengthArray<ushort> b(blen);
+    for (int i = 0; i < blen; ++i)
+        b[i] = (uchar)before.latin1()[i];
+    return replace((const QChar *)b.data(), blen, (const QChar *)a.data(), alen, cs);
+}
+
+/*!
+  \since 4.5
+  \overload replace()
+
+  Replaces every occurrence of the string \a before with the string \a
+  after and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  \note The text is not rescanned after a replacement.
+*/
+QString &QString::replace(const QLatin1String &before,
+                          const QString &after,
+                          Qt::CaseSensitivity cs)
+{
+    int blen = qstrlen(before.latin1());
+    QVarLengthArray<ushort> b(blen);
+    for (int i = 0; i < blen; ++i)
+        b[i] = (uchar)before.latin1()[i];
+    return replace((const QChar *)b.data(), blen, after.constData(), after.d->size, cs);
+}
+
+/*!
+  \since 4.5
+  \overload replace()
+
+  Replaces every occurrence of the string \a before with the string \a
+  after and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  \note The text is not rescanned after a replacement.
+*/
+QString &QString::replace(const QString &before,
+                          const QLatin1String &after,
+                          Qt::CaseSensitivity cs)
+{
+    int alen = qstrlen(after.latin1());
+    QVarLengthArray<ushort> a(alen);
+    for (int i = 0; i < alen; ++i)
+        a[i] = (uchar)after.latin1()[i];
+    return replace(before.constData(), before.d->size, (const QChar *)a.data(), alen, cs);
+}
+
+/*!
+  \since 4.5
+  \overload replace()
+
+  Replaces every occurrence of the character \a c with the string \a
+  after and returns a reference to this string.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  \note The text is not rescanned after a replacement.
+*/
+QString &QString::replace(QChar c, const QLatin1String &after, Qt::CaseSensitivity cs)
+{
+    int alen = qstrlen(after.latin1());
+    QVarLengthArray<ushort> a(alen);
+    for (int i = 0; i < alen; ++i)
+        a[i] = (uchar)after.latin1()[i];
+    return replace(&c, 1, (const QChar *)a.data(), alen, cs);
+}
+
+
+/*!
+  Returns true if string \a other is equal to this string; otherwise
+  returns false.
+
+  The comparison is based exclusively on the numeric Unicode values of
+  the characters and is very fast, but is not what a human would
+  expect. Consider sorting user-interface strings with
+  localeAwareCompare().
+*/
+bool QString::operator==(const QString &other) const
+{
+    return (size() == other.size()) &&
+        (memcmp((char*)unicode(),(char*)other.unicode(), size()*sizeof(QChar))==0);
+}
+
+/*!
+    \overload operator==()
+*/
+bool QString::operator==(const QLatin1String &other) const
+{
+    const ushort *uc = d->data;
+    const ushort *e = uc + d->size;
+    const uchar *c = (uchar *)other.latin1();
+
+    if (!c)
+        return isEmpty();
+
+    while (*c) {
+        if (uc == e || *uc != *c)
+            return false;
+        ++uc;
+        ++c;
+    }
+    return (uc == e);
+}
+
+/*! \fn bool QString::operator==(const QByteArray &other) const
+
+    \overload operator==()
+
+    The \a other byte array is converted to a QString using the
+    fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QString::operator==(const char *other) const
+
+    \overload operator==()
+
+    The \a other const char pointer is converted to a QString using
+    the fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*!
+    Returns true if this string is lexically less than string \a
+    other; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+*/
+bool QString::operator<(const QString &other) const
+{
+    return ucstrcmp(constData(), length(), other.constData(), other.length()) < 0;
+}
+
+/*!
+    \overload operator<()
+*/
+bool QString::operator<(const QLatin1String &other) const
+{
+    const ushort *uc = d->data;
+    const ushort *e = uc + d->size;
+    const uchar *c = (uchar *) other.latin1();
+
+    if (!c || *c == 0)
+        return false;
+
+    while (*c) {
+        if (uc == e || *uc != *c)
+            break;
+        ++uc;
+        ++c;
+    }
+    return (uc == e ? *c : *uc < *c);
+}
+
+/*! \fn bool QString::operator<(const QByteArray &other) const
+
+    \overload operator<()
+
+    The \a other byte array is converted to a QString using the
+    fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QString::operator<(const char *other) const
+
+    \overload operator<()
+
+    The \a other const char pointer is converted to a QString using
+    the fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QString::operator<=(const QString &other) const
+
+    Returns true if this string is lexically less than or equal to
+    string \a other; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    localeAwareCompare().
+*/
+
+/*! \fn bool QString::operator<=(const QLatin1String &other) const
+
+    \overload operator<=()
+*/
+
+/*! \fn bool QString::operator<=(const QByteArray &other) const
+
+    \overload operator<=()
+
+    The \a other byte array is converted to a QString using the
+    fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QString::operator<=(const char *other) const
+
+    \overload operator<=()
+
+    The \a other const char pointer is converted to a QString using
+    the fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QString::operator>(const QString &other) const
+
+    Returns true if this string is lexically greater than string \a
+    other; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    localeAwareCompare().
+*/
+
+/*!
+    \overload operator>()
+*/
+bool QString::operator>(const QLatin1String &other) const
+{
+    const ushort *uc = d->data;;
+    const ushort *e = uc + d->size;
+    const uchar *c = (uchar *) other.latin1();
+
+    if (!c || *c == '\0')
+        return !isEmpty();
+
+    while (*c) {
+        if (uc == e || *uc != *c)
+            break;
+        ++uc;
+        ++c;
+    }
+    return (uc == e ? false : *uc > *c);
+}
+
+/*! \fn bool QString::operator>(const QByteArray &other) const
+
+    \overload operator>()
+
+    The \a other byte array is converted to a QString using the
+    fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QString::operator>(const char *other) const
+
+    \overload operator>()
+
+    The \a other const char pointer is converted to a QString using
+    the fromAscii() function.
+
+    You can disable this operator by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*! \fn bool QString::operator>=(const QString &other) const
+
+    Returns true if this string is lexically greater than or equal to
+    string \a other; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    localeAwareCompare().
+*/
+
+/*! \fn bool QString::operator>=(const QLatin1String &other) const
+
+    \overload operator>=()
+*/
+
+/*! \fn bool QString::operator>=(const QByteArray &other) const
+
+    \overload operator>=()
+
+    The \a other byte array is converted to a QString using the
+    fromAscii() function.
+
+    You can disable this operator by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*! \fn bool QString::operator>=(const char *other) const
+
+    \overload operator>=()
+
+    The \a other const char pointer is converted to a QString using
+    the fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QString::operator!=(const QString &other) const
+
+    Returns true if this string is not equal to string \a other;
+    otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    localeAwareCompare().
+*/
+
+/*! \fn bool QString::operator!=(const QLatin1String &other) const
+
+    \overload operator!=()
+*/
+
+/*! \fn bool QString::operator!=(const QByteArray &other) const
+
+    \overload operator!=()
+
+    The \a other byte array is converted to a QString using the
+    fromAscii() function.
+
+    You can disable this operator by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*! \fn bool QString::operator!=(const char *other) const
+
+    \overload operator!=()
+
+    The \a other const char pointer is converted to a QString using
+    the fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*!
+  Returns the index position of the first occurrence of the string \a
+  str in this string, searching forward from index position \a
+  from. Returns -1 if \a str is not found.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  Example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 24
+
+  If \a from is -1, the search starts at the last character; if it is
+  -2, at the next to last character and so on.
+
+  \sa lastIndexOf(), contains(), count()
+*/
+int QString::indexOf(const QString &str, int from, Qt::CaseSensitivity cs) const
+{
+    return qFindString(unicode(), length(), from, str.unicode(), str.length(), cs);
+}
+
+/*!
+  \since 4.5
+  Returns the index position of the first occurrence of the string \a
+  str in this string, searching forward from index position \a
+  from. Returns -1 if \a str is not found.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  Example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 24
+
+  If \a from is -1, the search starts at the last character; if it is
+  -2, at the next to last character and so on.
+
+  \sa lastIndexOf(), contains(), count()
+*/
+int QString::indexOf(const QLatin1String &str, int from, Qt::CaseSensitivity cs) const
+{
+    int len = qstrlen(str.latin1());
+    QVarLengthArray<ushort> s(len);
+    for (int i = 0; i < len; ++i)
+        s[i] = str.latin1()[i];
+    
+    return qFindString(unicode(), length(), from, (const QChar *)s.data(), len, cs);
+}
+
+int qFindString(
+    const QChar *haystack0, int haystackLen, int from,
+    const QChar *needle0, int needleLen, Qt::CaseSensitivity cs)
+{
+    const int l = haystackLen;
+    const int sl = needleLen;
+    if (from < 0)
+        from += l;
+    if (uint(sl + from) > (uint)l)
+        return -1;
+    if (!sl)
+        return from;
+    if (!l)
+        return -1;
+
+    if (sl == 1)
+        return findChar(haystack0, haystackLen, needle0[0], from, cs);
+
+    /*
+        We use the Boyer-Moore algorithm in cases where the overhead
+        for the skip table should pay off, otherwise we use a simple
+        hash function.
+    */
+    if (l > 500 && sl > 5)
+        return qFindStringBoyerMoore(haystack0, haystackLen, from,
+            needle0, needleLen, cs);
+
+    /*
+        We use some hashing for efficiency's sake. Instead of
+        comparing strings, we compare the hash value of str with that
+        of a part of this QString. Only if that matches, we call
+        ucstrncmp() or ucstrnicmp().
+    */
+    const ushort *needle = (const ushort *)needle0;
+    const ushort *haystack = (const ushort *)haystack0 + from;
+    const ushort *end = (const ushort *)haystack0 + (l-sl);
+    const int sl_minus_1 = sl-1;
+    int hashNeedle = 0, hashHaystack = 0, idx;
+
+    if (cs == Qt::CaseSensitive) {
+        for (idx = 0; idx < sl; ++idx) {
+            hashNeedle = ((hashNeedle<<1) + needle[idx]);
+            hashHaystack = ((hashHaystack<<1) + haystack[idx]);
+        }
+        hashHaystack -= haystack[sl_minus_1];
+
+        while (haystack <= end) {
+            hashHaystack += haystack[sl_minus_1];
+            if (hashHaystack == hashNeedle
+                 && ucstrncmp((const QChar *)needle, (const QChar *)haystack, sl) == 0)
+                return haystack - (const ushort *)haystack0;
+
+            REHASH(*haystack);
+            ++haystack;
+        }
+    } else {
+        const ushort *haystack_start = (const ushort *)haystack0;
+        for (idx = 0; idx < sl; ++idx) {
+            hashNeedle = (hashNeedle<<1) + foldCase(needle + idx, needle);
+            hashHaystack = (hashHaystack<<1) + foldCase(haystack + idx, haystack_start);
+        }
+        hashHaystack -= foldCase(haystack + sl_minus_1, haystack_start);
+
+        while (haystack <= end) {
+            hashHaystack += foldCase(haystack + sl_minus_1, haystack_start);
+            if (hashHaystack == hashNeedle && ucstrnicmp(needle, haystack, sl) == 0)
+                return haystack - (const ushort *)haystack0;
+
+            REHASH(foldCase(haystack, haystack_start));
+            ++haystack;
+        }
+    }
+    return -1;
+}
+
+/*!
+    \overload indexOf()
+
+    Returns the index position of the first occurrence of the
+    character \a ch in the string, searching forward from index
+    position \a from. Returns -1 if \a ch could not be found.
+*/
+int QString::indexOf(QChar ch, int from, Qt::CaseSensitivity cs) const
+{
+    return findChar(unicode(), length(), ch, from, cs);
+}
+
+static int lastIndexOfHelper(const ushort *haystack, int from, const ushort *needle, int sl, Qt::CaseSensitivity cs)
+{
+    /*
+        See indexOf() for explanations.
+    */
+    
+    const ushort *end = haystack;
+    haystack += from;
+    const int sl_minus_1 = sl-1;
+    const ushort *n = needle+sl_minus_1;
+    const ushort *h = haystack+sl_minus_1;
+    int hashNeedle = 0, hashHaystack = 0, idx;
+
+    if (cs == Qt::CaseSensitive) {
+        for (idx = 0; idx < sl; ++idx) {
+            hashNeedle = ((hashNeedle<<1) + *(n-idx));
+            hashHaystack = ((hashHaystack<<1) + *(h-idx));
+        }
+        hashHaystack -= *haystack;
+
+        while (haystack >= end) {
+            hashHaystack += *haystack;
+            if (hashHaystack == hashNeedle
+                 && ucstrncmp((const QChar *)needle, (const QChar *)haystack, sl) == 0)
+                return haystack - end;
+            --haystack;
+            REHASH(haystack[sl]);
+        }
+    } else {
+        for (idx = 0; idx < sl; ++idx) {
+            hashNeedle = ((hashNeedle<<1) + foldCase(n-idx, needle));
+            hashHaystack = ((hashHaystack<<1) + foldCase(h-idx, end));
+        }
+        hashHaystack -= foldCase(haystack, end);
+
+        while (haystack >= end) {
+            hashHaystack += foldCase(haystack, end);
+            if (hashHaystack == hashNeedle && ucstrnicmp(needle, haystack, sl) == 0)
+                return haystack - end;
+            --haystack;
+            REHASH(foldCase(haystack + sl, end));
+        }
+    }
+    return -1;
+}
+
+/*!
+  Returns the index position of the last occurrence of the string \a
+  str in this string, searching backward from index position \a
+  from. If \a from is -1 (default), the search starts at the last
+  character; if \a from is -2, at the next to last character and so
+  on. Returns -1 if \a str is not found.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  Example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 29
+
+  \sa indexOf(), contains(), count()
+*/
+int QString::lastIndexOf(const QString &str, int from, Qt::CaseSensitivity cs) const
+{
+    const int sl = str.d->size;
+    if (sl == 1)
+        return lastIndexOf(QChar(str.d->data[0]), from, cs);
+    
+    const int l = d->size;
+    if (from < 0)
+        from += l;
+    int delta = l-sl;
+    if (from == l && sl == 0)
+        return from;
+    if (from < 0 || from >= l || delta < 0)
+        return -1;
+    if (from > delta)
+        from = delta;
+
+
+    return lastIndexOfHelper(d->data, from, str.d->data, str.d->size, cs);
+}
+
+/*!
+  \since 4.5
+  Returns the index position of the last occurrence of the string \a
+  str in this string, searching backward from index position \a
+  from. If \a from is -1 (default), the search starts at the last
+  character; if \a from is -2, at the next to last character and so
+  on. Returns -1 if \a str is not found.
+
+  If \a cs is Qt::CaseSensitive (default), the search is case
+  sensitive; otherwise the search is case insensitive.
+
+  Example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 29
+
+  \sa indexOf(), contains(), count()
+*/
+int QString::lastIndexOf(const QLatin1String &str, int from, Qt::CaseSensitivity cs) const
+{
+    const int sl = qstrlen(str.latin1());
+    if (sl == 1)
+        return lastIndexOf(QLatin1Char(str.latin1()[0]), from, cs);
+    
+    const int l = d->size;
+    if (from < 0)
+        from += l;
+    int delta = l-sl;
+    if (from == l && sl == 0)
+        return from;
+    if (from < 0 || from >= l || delta < 0)
+        return -1;
+    if (from > delta)
+        from = delta;
+
+    QVarLengthArray<ushort> s(sl);
+    for (int i = 0; i < sl; ++i)
+        s[i] = str.latin1()[i];
+
+    return lastIndexOfHelper(d->data, from, s.data(), sl, cs);
+}
+
+/*!
+  \overload lastIndexOf()
+
+  Returns the index position of the last occurrence of the character
+  \a ch, searching backward from position \a from.
+*/
+int QString::lastIndexOf(QChar ch, int from, Qt::CaseSensitivity cs) const
+{
+    ushort c = ch.unicode();
+    if (from < 0)
+        from += d->size;
+    if (from < 0 || from >= d->size)
+        return -1;
+    if (from >= 0) {
+        const ushort *n = d->data + from;
+        const ushort *b = d->data;
+        if (cs == Qt::CaseSensitive) {
+            for (; n >= b; --n)
+                if (*n == c)
+                    return n - b;
+        } else {
+            c = foldCase(c);
+            for (; n >= b; --n)
+                if (foldCase(*n) == c)
+                    return n - b;
+        }
+    }
+    return -1;
+}
+
+#ifndef QT_NO_REGEXP
+struct QStringCapture
+{
+    int pos;
+    int len;
+    int no;
+};
+
+/*!
+  \overload replace()
+
+  Replaces every occurrence of the regular expression \a rx in the
+  string with \a after. Returns a reference to the string. For
+  example:
+
+  \snippet doc/src/snippets/qstring/main.cpp 42
+
+  For regular expressions containing \l{capturing parentheses},
+  occurrences of \bold{\\1}, \bold{\\2}, ..., in \a after are replaced
+  with \a{rx}.cap(1), cap(2), ...
+
+  \snippet doc/src/snippets/qstring/main.cpp 43
+
+  \sa indexOf(), lastIndexOf(), remove(), QRegExp::cap()
+*/
+QString& QString::replace(const QRegExp &rx, const QString &after)
+{
+    QRegExp rx2(rx);
+
+    if (isEmpty() && rx2.indexIn(*this) == -1)
+        return *this;
+
+    realloc();
+
+    int index = 0;
+    int numCaptures = rx2.numCaptures();
+    int al = after.length();
+    QRegExp::CaretMode caretMode = QRegExp::CaretAtZero;
+
+    if (numCaptures > 0) {
+        const QChar *uc = after.unicode();
+        int numBackRefs = 0;
+
+        for (int i = 0; i < al - 1; i++) {
+            if (uc[i] == QLatin1Char('\\')) {
+                int no = uc[i + 1].digitValue();
+                if (no > 0 && no <= numCaptures)
+                    numBackRefs++;
+            }
+        }
+
+        /*
+            This is the harder case where we have back-references.
+        */
+        if (numBackRefs > 0) {
+            QVarLengthArray<QStringCapture, 16> captures(numBackRefs);
+            int j = 0;
+
+            for (int i = 0; i < al - 1; i++) {
+                if (uc[i] == QLatin1Char('\\')) {
+                    int no = uc[i + 1].digitValue();
+                    if (no > 0 && no <= numCaptures) {
+                        QStringCapture capture;
+                        capture.pos = i;
+                        capture.len = 2;
+
+                        if (i < al - 2) {
+                            int secondDigit = uc[i + 2].digitValue();
+                            if (secondDigit != -1 && ((no * 10) + secondDigit) <= numCaptures) {
+                                no = (no * 10) + secondDigit;
+                                ++capture.len;
+                            }
+                        }
+
+                        capture.no = no;
+                        captures[j++] = capture;
+                    }
+                }
+            }
+
+            while (index <= length()) {
+                index = rx2.indexIn(*this, index, caretMode);
+                if (index == -1)
+                    break;
+
+                QString after2(after);
+                for (j = numBackRefs - 1; j >= 0; j--) {
+                    const QStringCapture &capture = captures[j];
+                    after2.replace(capture.pos, capture.len, rx2.cap(capture.no));
+                }
+
+                replace(index, rx2.matchedLength(), after2);
+                index += after2.length();
+
+                // avoid infinite loop on 0-length matches (e.g., QRegExp("[a-z]*"))
+                if (rx2.matchedLength() == 0)
+                    ++index;
+
+                caretMode = QRegExp::CaretWontMatch;
+            }
+            return *this;
+        }
+    }
+
+    /*
+        This is the simple and optimized case where we don't have
+        back-references.
+    */
+    while (index != -1) {
+        struct {
+            int pos;
+            int length;
+        } replacements[2048];
+
+        int pos = 0;
+        int adjust = 0;
+        while (pos < 2047) {
+            index = rx2.indexIn(*this, index, caretMode);
+            if (index == -1)
+                break;
+            int ml = rx2.matchedLength();
+            replacements[pos].pos = index;
+            replacements[pos++].length = ml;
+            index += ml;
+            adjust += al - ml;
+            // avoid infinite loop
+            if (!ml)
+                index++;
+        }
+        if (!pos)
+            break;
+        replacements[pos].pos = d->size;
+        int newlen = d->size + adjust;
+
+        // to continue searching at the right position after we did
+        // the first round of replacements
+        if (index != -1)
+            index += adjust;
+        QString newstring;
+        newstring.reserve(newlen + 1);
+        QChar *newuc = newstring.data();
+        QChar *uc = newuc;
+        int copystart = 0;
+        int i = 0;
+        while (i < pos) {
+            int copyend = replacements[i].pos;
+            int size = copyend - copystart;
+            memcpy(uc, d->data + copystart, size * sizeof(QChar));
+            uc += size;
+            memcpy(uc, after.d->data, al * sizeof(QChar));
+            uc += al;
+            copystart = copyend + replacements[i].length;
+            i++;
+        }
+        memcpy(uc, d->data + copystart, (d->size - copystart) * sizeof(QChar));
+        newstring.resize(newlen);
+        *this = newstring;
+        caretMode = QRegExp::CaretWontMatch;
+    }
+    return *this;
+}
+#endif
+
+/*!
+    Returns the number of (potentially overlapping) occurrences of
+    the string \a str in this string.
+
+    If \a cs is Qt::CaseSensitive (default), the search is
+    case sensitive; otherwise the search is case insensitive.
+
+    \sa contains(), indexOf()
+*/
+int QString::count(const QString &str, Qt::CaseSensitivity cs) const
+{
+    int num = 0;
+    int i = -1;
+    if (d->size > 500 && str.d->size > 5) {
+        QStringMatcher matcher(str, cs);
+        while ((i = matcher.indexIn(*this, i + 1)) != -1)
+            ++num;
+    } else {
+        while ((i = indexOf(str, i + 1, cs)) != -1)
+            ++num;
+    }
+    return num;
+}
+
+/*!
+  \overload count()
+
+  Returns the number of occurrences of character \a ch in the string.
+*/
+int QString::count(QChar ch, Qt::CaseSensitivity cs) const
+{
+    ushort c = ch.unicode();
+    int num = 0;
+    const ushort *i = d->data + d->size;
+    const ushort *b = d->data;
+    if (cs == Qt::CaseSensitive) {
+        while (i != b)
+            if (*--i == c)
+                ++num;
+    } else {
+        c = foldCase(c);
+        while (i != b)
+            if (foldCase(*(--i)) == c)
+                ++num;
+    }
+    return num;
+}
+
+/*! \fn bool QString::contains(const QString &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
+
+    Returns true if this string contains an occurrence of the string
+    \a str; otherwise returns false.
+
+    If \a cs is Qt::CaseSensitive (default), the search is
+    case sensitive; otherwise the search is case insensitive.
+
+    Example:
+    \snippet doc/src/snippets/qstring/main.cpp 17
+
+    \sa indexOf(), count()
+*/
+
+/*! \fn bool QString::contains(QChar ch, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
+
+    \overload contains()
+
+    Returns true if this string contains an occurrence of the
+    character \a ch; otherwise returns false.
+*/
+
+/*! \fn bool QString::contains(const QRegExp &rx) const
+
+    \overload contains()
+
+    Returns true if the regular expression \a rx matches somewhere in
+    this string; otherwise returns false.
+*/
+
+/*! \fn bool QString::contains(QRegExp &rx) const
+    \overload contains()
+    \since 4.5
+
+    Returns true if the regular expression \a rx matches somewhere in
+    this string; otherwise returns false.
+
+    If there is a match, the \a rx regular expression will contain the
+    matched captures (see QRegExp::matchedLength, QRegExp::cap).
+*/
+
+#ifndef QT_NO_REGEXP
+/*!
+    \overload indexOf()
+
+    Returns the index position of the first match of the regular
+    expression \a rx in the string, searching forward from index
+    position \a from. Returns -1 if \a rx didn't match anywhere.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 25
+*/
+int QString::indexOf(const QRegExp& rx, int from) const
+{
+    QRegExp rx2(rx);
+    return rx2.indexIn(*this, from);
+}
+
+/*!
+    \overload indexOf()
+    \since 4.5
+
+    Returns the index position of the first match of the regular
+    expression \a rx in the string, searching forward from index
+    position \a from. Returns -1 if \a rx didn't match anywhere.
+
+    If there is a match, the \a rx regular expression will contain the
+    matched captures (see QRegExp::matchedLength, QRegExp::cap).
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 25
+*/
+int QString::indexOf(QRegExp& rx, int from) const
+{
+    return rx.indexIn(*this, from);
+}
+
+/*!
+    \overload lastIndexOf()
+
+    Returns the index position of the last match of the regular
+    expression \a rx in the string, searching backward from index
+    position \a from. Returns -1 if \a rx didn't match anywhere.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 30
+*/
+int QString::lastIndexOf(const QRegExp& rx, int from) const
+{
+    QRegExp rx2(rx);
+    return rx2.lastIndexIn(*this, from);
+}
+
+/*!
+    \overload lastIndexOf()
+    \since 4.5
+
+    Returns the index position of the last match of the regular
+    expression \a rx in the string, searching backward from index
+    position \a from. Returns -1 if \a rx didn't match anywhere.
+
+    If there is a match, the \a rx regular expression will contain the
+    matched captures (see QRegExp::matchedLength, QRegExp::cap).
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 30
+*/
+int QString::lastIndexOf(QRegExp& rx, int from) const
+{
+    return rx.lastIndexIn(*this, from);
+}
+
+/*!
+    \overload count()
+
+    Returns the number of times the regular expression \a rx matches
+    in the string.
+
+    This function counts overlapping matches, so in the example
+    below, there are four instances of "ana" or "ama":
+
+    \snippet doc/src/snippets/qstring/main.cpp 18
+
+*/
+int QString::count(const QRegExp& rx) const
+{
+    QRegExp rx2(rx);
+    int count = 0;
+    int index = -1;
+    int len = length();
+    while (index < len - 1) {                 // count overlapping matches
+        index = rx2.indexIn(*this, index + 1);
+        if (index == -1)
+            break;
+        count++;
+    }
+    return count;
+}
+#endif // QT_NO_REGEXP
+
+/*! \fn int QString::count() const
+
+    \overload count()
+
+    Same as size().
+*/
+
+
+/*!
+    \enum QString::SectionFlag
+
+    This enum specifies flags that can be used to affect various
+    aspects of the section() function's behavior with respect to
+    separators and empty fields.
+
+    \value SectionDefault Empty fields are counted, leading and
+    trailing separators are not included, and the separator is
+    compared case sensitively.
+
+    \value SectionSkipEmpty Treat empty fields as if they don't exist,
+    i.e. they are not considered as far as \e start and \e end are
+    concerned.
+
+    \value SectionIncludeLeadingSep Include the leading separator (if
+    any) in the result string.
+
+    \value SectionIncludeTrailingSep Include the trailing separator
+    (if any) in the result string.
+
+    \value SectionCaseInsensitiveSeps Compare the separator
+    case-insensitively.
+
+    \sa section()
+*/
+
+/*!
+    \fn QString QString::section(QChar sep, int start, int end = -1, SectionFlags flags) const
+
+    This function returns a section of the string.
+
+    This string is treated as a sequence of fields separated by the
+    character, \a sep. The returned string consists of the fields from
+    position \a start to position \a end inclusive. If \a end is not
+    specified, all fields from position \a start to the end of the
+    string are included. Fields are numbered 0, 1, 2, etc., counting
+    from the left, and -1, -2, etc., counting from right to left.
+
+    The \a flags argument can be used to affect some aspects of the
+    function's behavior, e.g. whether to be case sensitive, whether
+    to skip empty fields and how to deal with leading and trailing
+    separators; see \l{SectionFlags}.
+
+    \snippet doc/src/snippets/qstring/main.cpp 52
+
+    If \a start or \a end is negative, we count fields from the right
+    of the string, the right-most field being -1, the one from
+    right-most field being -2, and so on.
+
+    \snippet doc/src/snippets/qstring/main.cpp 53
+
+    \sa split()
+*/
+
+/*!
+    \overload section()
+
+    \snippet doc/src/snippets/qstring/main.cpp 51
+    \snippet doc/src/snippets/qstring/main.cpp 54
+
+    \sa split()
+*/
+
+QString QString::section(const QString &sep, int start, int end, SectionFlags flags) const
+{
+    QStringList sections = split(sep, KeepEmptyParts,
+                                 (flags & SectionCaseInsensitiveSeps) ? Qt::CaseInsensitive : Qt::CaseSensitive);
+    if (sections.isEmpty())
+        return QString();
+    if (!(flags & SectionSkipEmpty)) {
+        if (start < 0)
+            start += sections.count();
+        if (end < 0)
+            end += sections.count();
+    } else {
+        int skip = 0;
+        for (int k=0; k<sections.size(); ++k) {
+            if (sections.at(k).isEmpty())
+                skip++;
+        }
+        if (start < 0)
+            start += sections.count() - skip;
+        if (end < 0)
+            end += sections.count() - skip;
+    }
+    int x = 0;
+    QString ret;
+    int first_i = start, last_i = end;
+    for (int i = 0; x <= end && i < sections.size(); ++i) {
+        QString section = sections.at(i);
+        const bool empty = section.isEmpty();
+        if (x >= start) {
+            if(x == start)
+                first_i = i;
+            if(x == end)
+                last_i = i;
+            if(x > start)
+                ret += sep;
+            ret += section;
+        }
+        if (!empty || !(flags & SectionSkipEmpty))
+            x++;
+    }
+    if((flags & SectionIncludeLeadingSep) && first_i)
+        ret.prepend(sep);
+    if((flags & SectionIncludeTrailingSep) && last_i < sections.size()-1)
+        ret += sep;
+    return ret;
+}
+
+#ifndef QT_NO_REGEXP
+class qt_section_chunk {
+public:
+    qt_section_chunk(int l, QString s) { length = l; string = s; }
+    int length;
+    QString string;
+};
+
+/*!
+    \overload section()
+
+    This string is treated as a sequence of fields separated by the
+    regular expression, \a reg.
+
+    \snippet doc/src/snippets/qstring/main.cpp 55
+
+    \warning Using this QRegExp version is much more expensive than
+    the overloaded string and character versions.
+
+    \sa split() simplified()
+*/
+QString QString::section(const QRegExp &reg, int start, int end, SectionFlags flags) const
+{
+    const QChar *uc = unicode();
+    if(!uc)
+        return QString();
+
+    QRegExp sep(reg);
+    sep.setCaseSensitivity((flags & SectionCaseInsensitiveSeps) ? Qt::CaseInsensitive
+                                                                : Qt::CaseSensitive);
+
+    QList<qt_section_chunk> sections;
+    int n = length(), m = 0, last_m = 0, last_len = 0;
+    while ((m = sep.indexIn(*this, m)) != -1) {
+        sections.append(qt_section_chunk(last_len, QString(uc + last_m, m - last_m)));
+        last_m = m;
+        last_len = sep.matchedLength();
+        m += qMax(sep.matchedLength(), 1);
+    }
+    sections.append(qt_section_chunk(last_len, QString(uc + last_m, n - last_m)));
+
+    if(start < 0)
+        start += sections.count();
+    if(end < 0)
+        end += sections.count();
+
+    QString ret;
+    int x = 0;
+    int first_i = start, last_i = end;
+    for (int i = 0; x <= end && i < sections.size(); ++i) {
+        const qt_section_chunk &section = sections.at(i);
+        const bool empty = (section.length == section.string.length());
+        if (x >= start) {
+            if(x == start)
+                first_i = i;
+            if(x == end)
+                last_i = i;
+            if(x != start)
+                ret += section.string;
+            else
+                ret += section.string.mid(section.length);
+        }
+        if (!empty || !(flags & SectionSkipEmpty))
+            x++;
+    }
+    if((flags & SectionIncludeLeadingSep)) {
+        const qt_section_chunk &section = sections.at(first_i);
+        ret.prepend(section.string.left(section.length));
+    }
+    if((flags & SectionIncludeTrailingSep) && last_i+1 <= sections.size()-1) {
+        const qt_section_chunk &section = sections.at(last_i+1);
+        ret += section.string.left(section.length);
+    }
+    return ret;
+}
+#endif
+
+/*!
+    Returns a substring that contains the \a n leftmost characters
+    of the string.
+
+    The entire string is returned if \a n is greater than size() or
+    less than zero.
+
+    \snippet doc/src/snippets/qstring/main.cpp 31
+
+    \sa right(), mid(), startsWith()
+*/
+QString QString::left(int n)  const
+{
+    if (n >= d->size || n < 0)
+        return *this;
+    return QString((const QChar*) d->data, n);
+}
+
+/*!
+    Returns a substring that contains the \a n rightmost characters
+    of the string.
+
+    The entire string is returned if \a n is greater than size() or
+    less than zero.
+
+    \snippet doc/src/snippets/qstring/main.cpp 48
+
+    \sa left(), mid(), endsWith()
+*/
+QString QString::right(int n) const
+{
+    if (n >= d->size || n < 0)
+        return *this;
+    return QString((const QChar*) d->data + d->size - n, n);
+}
+
+/*!
+    Returns a string that contains \a n characters of this string,
+    starting at the specified \a position index.
+
+    Returns a null string if the \a position index exceeds the
+    length of the string. If there are less than \a n characters
+    available in the string starting at the given \a position, or if
+    \a n is -1 (default), the function returns all characters that
+    are available from the specified \a position.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 34
+
+    \sa left(), right()
+*/
+
+QString QString::mid(int position, int n) const
+{
+    if (d == &shared_null || position >= d->size)
+        return QString();
+    if (n < 0)
+        n = d->size - position;
+    if (position < 0) {
+        n += position;
+        position = 0;
+    }
+    if (n + position > d->size)
+        n = d->size - position;
+    if (position == 0 && n == d->size)
+        return *this;
+    return QString((const QChar*) d->data + position, n);
+}
+
+/*!
+    Returns true if the string starts with \a s; otherwise returns
+    false.
+
+    If \a cs is Qt::CaseSensitive (default), the search is
+    case sensitive; otherwise the search is case insensitive.
+
+    \snippet doc/src/snippets/qstring/main.cpp 65
+
+    \sa endsWith()
+*/
+bool QString::startsWith(const QString& s, Qt::CaseSensitivity cs) const
+{
+    if (d == &shared_null)
+        return (s.d == &shared_null);
+    if (d->size == 0)
+        return s.d->size == 0;
+    if (s.d->size > d->size)
+        return false;
+    if (cs == Qt::CaseSensitive) {
+        return memcmp((char*)d->data, (char*)s.d->data, s.d->size*sizeof(QChar)) == 0;
+    } else {
+        uint last = 0;
+        uint olast = 0;
+        for (int i = 0; i < s.d->size; ++i)
+            if (foldCase(d->data[i], last) != foldCase(s.d->data[i], olast))
+                return false;
+    }
+    return true;
+}
+
+/*!
+  \overload startsWith()
+ */
+bool QString::startsWith(const QLatin1String& s, Qt::CaseSensitivity cs) const
+{
+    if (d == &shared_null)
+        return (s.latin1() == 0);
+    if (d->size == 0)
+        return !s.latin1() || *s.latin1() == 0;
+    int slen = qstrlen(s.latin1());
+    if (slen > d->size)
+        return false;
+    const uchar *latin = (const uchar *)s.latin1();
+    if (cs == Qt::CaseSensitive) {
+        for (int i = 0; i < slen; ++i)
+            if (d->data[i] != latin[i])
+                return false;
+    } else {
+        for (int i = 0; i < slen; ++i)
+            if (foldCase(d->data[i]) != foldCase((ushort)latin[i]))
+                return false;
+    }
+    return true;
+}
+
+/*!
+  \overload startsWith()
+
+  Returns true if the string starts with \a c; otherwise returns
+  false.
+*/
+bool QString::startsWith(const QChar &c, Qt::CaseSensitivity cs) const
+{
+    return d->size
+           && (cs == Qt::CaseSensitive
+               ? d->data[0] == c
+               : foldCase(d->data[0]) == foldCase(c.unicode()));
+}
+
+/*!
+    Returns true if the string ends with \a s; otherwise returns
+    false.
+
+    If \a cs is Qt::CaseSensitive (default), the search is case
+    sensitive; otherwise the search is case insensitive.
+
+    \snippet doc/src/snippets/qstring/main.cpp 20
+
+    \sa startsWith()
+*/
+bool QString::endsWith(const QString& s, Qt::CaseSensitivity cs) const
+{
+    if (d == &shared_null)
+        return (s.d == &shared_null);
+    if (d->size == 0)
+        return s.d->size == 0;
+    int pos = d->size - s.d->size;
+    if (pos < 0)
+        return false;
+    if (cs == Qt::CaseSensitive) {
+        return memcmp((char*)&d->data[pos], (char*)s.d->data, s.d->size*sizeof(QChar)) == 0;
+    } else {
+        uint last = 0;
+        uint olast = 0;
+        for (int i = 0; i < s.length(); i++)
+            if (foldCase(d->data[pos+i], last) != foldCase(s.d->data[i], olast))
+                return false;
+    }
+    return true;
+}
+
+/*!
+    \overload endsWith()
+*/
+bool QString::endsWith(const QLatin1String& s, Qt::CaseSensitivity cs) const
+{
+    if (d == &shared_null)
+        return (s.latin1() == 0);
+    if (d->size == 0)
+        return !s.latin1() || *s.latin1() == 0;
+    int slen = qstrlen(s.latin1());
+    int pos = d->size - slen;
+    const uchar *latin = (const uchar *)s.latin1();
+    if (pos < 0)
+        return false;
+    if (cs == Qt::CaseSensitive) {
+        for (int i = 0; i < slen; i++)
+            if (d->data[pos+i] != latin[i])
+                return false;
+    } else {
+        for (int i = 0; i < slen; i++)
+            if (foldCase(d->data[pos+i]) != foldCase((ushort)latin[i]))
+                return false;
+    }
+    return true;
+}
+
+/*!
+  Returns true if the string ends with \a c; otherwise returns
+  false.
+
+  \overload endsWith()
+ */
+bool QString::endsWith(const QChar &c, Qt::CaseSensitivity cs) const
+{
+    return d->size
+           && (cs == Qt::CaseSensitive
+               ? d->data[d->size - 1] == c
+               : foldCase(d->data[d->size - 1]) == foldCase(c.unicode()));
+}
+
+/*! \fn const char *QString::ascii() const
+    \nonreentrant
+
+    Use toAscii() instead.
+*/
+
+/*! \fn const char *QString::latin1() const
+    \nonreentrant
+
+    Use toLatin1() instead.
+*/
+
+/*! \fn const char *QString::utf8() const
+    \nonreentrant
+
+    Use toUtf8() instead.
+*/
+
+/*! \fn const char *QString::local8Bit() const
+    \nonreentrant
+
+    Use toLocal8Bit() instead.
+*/
+
+static QByteArray toLatin1_helper(const QChar *data, int length)
+{
+    QByteArray ba;
+    if (length) {
+        ba.resize(length);
+        const ushort *i = reinterpret_cast<const ushort *>(data);
+        const ushort *e = i + length;
+        uchar *s = (uchar*) ba.data();
+        while (i != e) {
+            *s++ = (*i>0xff) ? '?' : (uchar) *i;
+            ++i;
+        }
+    }
+    return ba;
+}
+
+/*!
+    Returns a Latin-1 representation of the string as a QByteArray.
+    The returned byte array is undefined if the string contains
+    non-Latin1 characters.
+
+    \sa fromLatin1(), toAscii(), toUtf8(), toLocal8Bit(), QTextCodec
+*/
+QByteArray QString::toLatin1() const
+{
+    return toLatin1_helper(unicode(), length());
+}
+
+// ### Qt 5: Change the return type of at least toAscii(),
+// toLatin1() and unicode() such that the use of Q_COMPILER_MANGLES_RETURN_TYPE
+// isn't necessary in the header. See task 177402.
+
+/*!
+    Returns an 8-bit ASCII representation of the string as a QByteArray.
+
+    If a codec has been set using QTextCodec::setCodecForCStrings(),
+    it is used to convert Unicode to 8-bit char; otherwise this
+    function does the same as toLatin1().
+
+    \sa fromAscii(), toLatin1(), toUtf8(), toLocal8Bit(), QTextCodec
+*/
+QByteArray QString::toAscii() const
+{
+#ifndef QT_NO_TEXTCODEC
+    if (codecForCStrings)
+        return codecForCStrings->fromUnicode(*this);
+#endif // QT_NO_TEXTCODEC
+    return toLatin1();
+}
+
+#ifndef Q_WS_MAC
+static QByteArray toLocal8Bit_helper(const QChar *data, int length)
+{
+#ifndef QT_NO_TEXTCODEC
+    if (QTextCodec::codecForLocale())
+        return QTextCodec::codecForLocale()->fromUnicode(data, length);
+#endif // QT_NO_TEXTCODEC
+    return toLatin1_helper(data, length);
+}
+#endif
+
+/*!
+    Returns the local 8-bit representation of the string as a
+    QByteArray. The returned byte array is undefined if the string
+    contains characters not supported by the local 8-bit encoding.
+
+    QTextCodec::codecForLocale() is used to perform the conversion
+    from Unicode.
+
+    \sa fromLocal8Bit(), toAscii(), toLatin1(), toUtf8(), QTextCodec
+*/
+QByteArray QString::toLocal8Bit() const
+{
+#ifndef QT_NO_TEXTCODEC
+    if (QTextCodec::codecForLocale())
+        return QTextCodec::codecForLocale()->fromUnicode(*this);
+#endif // QT_NO_TEXTCODEC
+    return toLatin1();
+}
+
+/*!
+    Returns a UTF-8 representation of the string as a QByteArray.
+
+    \sa fromUtf8(), toAscii(), toLatin1(), toLocal8Bit(), QTextCodec
+*/
+QByteArray QString::toUtf8() const
+{
+    QByteArray ba;
+    if (d->size) {
+        int l = d->size;
+        int rlen = l*3+1;
+        ba.resize(rlen);
+        uchar *cursor = (uchar*)ba.data();
+        const ushort *ch =d->data;
+        for (int i=0; i < l; i++) {
+            uint u = *ch;
+            if (u < 0x80) {
+                *cursor++ = (uchar)u;
+            } else {
+                if (u < 0x0800) {
+                    *cursor++ = 0xc0 | ((uchar) (u >> 6));
+                } else {
+                    if (QChar(u).isHighSurrogate() && i < l-1) {
+                        ushort low = ch[1];
+                        if (QChar(low).isLowSurrogate()) {
+                            ++ch;
+                            ++i;
+                            u = QChar::surrogateToUcs4(u,low);
+                        }
+                    }
+                    if (u > 0xffff) {
+                        *cursor++ = 0xf0 | ((uchar) (u >> 18));
+                        *cursor++ = 0x80 | (((uchar) (u >> 12)) & 0x3f);
+                    } else {
+                        *cursor++ = 0xe0 | ((uchar) (u >> 12));
+                    }
+                    *cursor++ = 0x80 | (((uchar) (u >> 6)) & 0x3f);
+                }
+                *cursor++ = 0x80 | ((uchar) (u&0x3f));
+            }
+            ++ch;
+        }
+        ba.resize(cursor - (uchar*)ba.constData());
+    }
+    return ba;
+}
+
+/*!
+    \since 4.2
+
+    Returns a UCS-4 representation of the string as a QVector<uint>.
+
+    \sa fromUtf8(), toAscii(), toLatin1(), toLocal8Bit(), QTextCodec, fromUcs4(), toWCharArray()
+*/
+QVector<uint> QString::toUcs4() const
+{
+    QVector<uint> v(length());
+    uint *a = v.data();
+    const unsigned short *uc = utf16();
+    for (int i = 0; i < length(); ++i) {
+        uint u = uc[i];
+        if (QChar(u).isHighSurrogate() && i < length()-1) {
+            ushort low = uc[i+1];
+            if (QChar(low).isLowSurrogate()) {
+                ++i;
+                u = QChar::surrogateToUcs4(u, low);
+            }
+        }
+        *a = u;
+        ++a;
+    }
+    v.resize(a - v.data());
+    return v;
+}
+
+QString::Data *QString::fromLatin1_helper(const char *str, int size)
+{
+    Data *d;
+    if (!str) {
+        d = &shared_null;
+        d->ref.ref();
+    } else if (size == 0 || (!*str && size < 0)) {
+        d = &shared_empty;
+        d->ref.ref();
+    } else {
+        if (size < 0)
+            size = qstrlen(str);
+        d = static_cast<Data *>(qMalloc(sizeof(Data) + size * sizeof(QChar)));
+        d->ref = 1;
+        d->alloc = d->size = size;
+        d->clean = d->asciiCache = d->simpletext = d->righttoleft = d->capacity = 0;
+        d->data = d->array;
+        ushort *i = d->data;
+        d->array[size] = '\0';
+        while (size--)
+           *i++ = (uchar)*str++;
+    }
+    return d;
+}
+
+QString::Data *QString::fromAscii_helper(const char *str, int size)
+{
+#ifndef QT_NO_TEXTCODEC
+    if (codecForCStrings) {
+        Data *d;
+        if (!str) {
+            d = &shared_null;
+            d->ref.ref();
+        } else if (size == 0 || (!*str && size < 0)) {
+            d = &shared_empty;
+            d->ref.ref();
+        } else {
+            if (size < 0)
+                size = qstrlen(str);
+            QString s = codecForCStrings->toUnicode(str, size);
+            d = s.d;
+            d->ref.ref();
+        }
+        return d;
+    }
+#endif
+    return fromLatin1_helper(str, size);
+}
+
+/*!
+    Returns a QString initialized with the first \a size characters
+    of the Latin-1 string \a str.
+
+    If \a size is -1 (default), it is taken to be qstrlen(\a
+    str).
+
+    \sa toLatin1(), fromAscii(), fromUtf8(), fromLocal8Bit()
+*/
+QString QString::fromLatin1(const char *str, int size)
+{
+    return QString(fromLatin1_helper(str, size), 0);
+}
+
+
+#ifdef QT3_SUPPORT
+
+/*!
+  \internal
+*/
+const char *QString::ascii_helper() const
+{
+    if (!asciiCache)
+        asciiCache = new QHash<void *, QByteArray>();
+
+    d->asciiCache = true;
+    QByteArray ascii = toAscii();
+    QByteArray old = asciiCache->value(d);
+    if (old == ascii)
+        return old.constData();
+    asciiCache->insert(d, ascii);
+    return ascii.constData();
+}
+
+/*!
+  \internal
+*/
+const char *QString::latin1_helper() const
+{
+    if (!asciiCache)
+        asciiCache = new QHash<void *, QByteArray>();
+
+    d->asciiCache = true;
+    QByteArray ascii = toLatin1();
+    QByteArray old = asciiCache->value(d);
+    if (old == ascii)
+        return old.constData();
+    asciiCache->insert(d, ascii);
+    return ascii.constData();
+}
+
+#endif
+
+QT_END_NAMESPACE
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+#include "qt_windows.h"
+
+QT_BEGIN_NAMESPACE
+
+QByteArray qt_winQString2MB(const QString& s, int uclen)
+{
+    if (uclen < 0)
+        uclen = s.length();
+    if (s.isNull())
+        return QByteArray();
+    if (uclen == 0)
+        return QByteArray("");
+    return qt_winQString2MB(s.constData(), uclen);
+}
+
+QByteArray qt_winQString2MB(const QChar *ch, int uclen)
+{
+    if (!ch)
+	return QByteArray();
+    if (uclen == 0)
+        return QByteArray("");
+    BOOL used_def;
+    QByteArray mb(4096, 0);
+    int len;
+    while (!(len=WideCharToMultiByte(CP_ACP, 0, (const WCHAR*)ch, uclen,
+                mb.data(), mb.size()-1, 0, &used_def)))
+    {
+        int r = GetLastError();
+        if (r == ERROR_INSUFFICIENT_BUFFER) {
+            mb.resize(1+WideCharToMultiByte(CP_ACP, 0,
+                                (const WCHAR*)ch, uclen,
+                                0, 0, 0, &used_def));
+                // and try again...
+        } else {
+#ifndef QT_NO_DEBUG
+            // Fail.
+            qWarning("WideCharToMultiByte: Cannot convert multibyte text (error %d): %s (UTF-8)",
+                r, QString(ch, uclen).toLocal8Bit().data());
+#endif
+            break;
+        }
+    }
+    mb.resize(len);
+    return mb;
+}
+
+QString qt_winMB2QString(const char *mb, int mblen)
+{
+    if (!mb || !mblen)
+        return QString();
+    const int wclen_auto = 4096;
+    WCHAR wc_auto[wclen_auto];
+    int wclen = wclen_auto;
+    WCHAR *wc = wc_auto;
+    int len;
+    while (!(len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,
+                mb, mblen, wc, wclen)))
+    {
+        int r = GetLastError();
+        if (r == ERROR_INSUFFICIENT_BUFFER) {
+            if (wc != wc_auto) {
+                qWarning("MultiByteToWideChar: Size changed");
+                break;
+            } else {
+                wclen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,
+                                    mb, mblen, 0, 0);
+                wc = new WCHAR[wclen];
+                // and try again...
+            }
+        } else {
+            // Fail.
+            qWarning("MultiByteToWideChar: Cannot convert multibyte text");
+            break;
+        }
+    }
+    if (len <= 0)
+        return QString();
+    if (wc[len-1] == 0) // len - 1: we don't want terminator
+        --len;
+    QString s((QChar*)wc, len);
+    if (wc != wc_auto)
+        delete [] wc;
+    return s;
+}
+
+QT_END_NAMESPACE
+
+#endif // Q_OS_WIN32
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    Returns a QString initialized with the first \a size characters
+    of the 8-bit string \a str.
+
+    If \a size is -1 (default), it is taken to be qstrlen(\a
+    str).
+
+    QTextCodec::codecForLocale() is used to perform the conversion
+    from Unicode.
+
+    \sa toLocal8Bit(), fromAscii(), fromLatin1(), fromUtf8()
+*/
+QString QString::fromLocal8Bit(const char *str, int size)
+{
+    if (!str)
+        return QString();
+    if (size == 0 || (!*str && size < 0))
+        return QLatin1String("");
+#if defined(Q_OS_WIN32)
+    if(QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based) {
+        return qt_winMB2QString(str, size);
+    }
+#endif
+#if !defined(QT_NO_TEXTCODEC)
+    if (size < 0)
+        size = qstrlen(str);
+    QTextCodec *codec = QTextCodec::codecForLocale();
+    if (codec)
+        return codec->toUnicode(str, size);
+#endif // !QT_NO_TEXTCODEC
+    return fromLatin1(str, size);
+}
+
+/*!
+    Returns a QString initialized with the first \a size characters
+    of the 8-bit ASCII string \a str.
+
+    If \a size is -1 (default), it is taken to be qstrlen(\a
+    str).
+
+    If a codec has been set using QTextCodec::setCodecForCStrings(),
+    it is used to convert \a str to Unicode; otherwise this function
+    does the same as fromLatin1().
+
+    \sa toAscii(), fromLatin1(), fromUtf8(), fromLocal8Bit()
+*/
+QString QString::fromAscii(const char *str, int size)
+{
+    return QString(fromAscii_helper(str, size), 0);
+}
+
+/*!
+    Returns a QString initialized with the first \a size bytes
+    of the UTF-8 string \a str.
+
+    If \a size is -1 (default), it is taken to be qstrlen(\a
+    str).
+
+    \sa toUtf8(), fromAscii(), fromLatin1(), fromLocal8Bit()
+*/
+QString QString::fromUtf8(const char *str, int size)
+{
+    if (!str)
+        return QString();
+    if (size < 0)
+        size = qstrlen(str);
+
+    QString result;
+    result.resize(size); // worst case
+    ushort *qch = result.d->data;
+    uint uc = 0;
+    uint min_uc = 0;
+    int need = 0;
+    int error = -1;
+    uchar ch;
+    int i = 0;
+
+    // skip utf8-encoded byte order mark
+    if (size >= 3
+        && (uchar)str[0] == 0xef && (uchar)str[1] == 0xbb && (uchar)str[2] == 0xbf)
+        i += 3;
+
+    for (; i < size; ++i) {
+        ch = str[i];
+        if (need) {
+            if ((ch&0xc0) == 0x80) {
+                uc = (uc << 6) | (ch & 0x3f);
+                need--;
+                if (!need) {
+                    if (uc > 0xffffU && uc < 0x110000U) {
+                        // surrogate pair
+                        *qch++ = QChar::highSurrogate(uc);
+                        uc = QChar::lowSurrogate(uc);
+                    } else if ((uc < min_uc) || (uc >= 0xd800 && uc <= 0xdfff) || (uc >= 0xfffe)) {
+			// overlong seqence, UTF16 surrogate or BOM
+                        uc = QChar::ReplacementCharacter;
+                    }
+                    *qch++ = uc;
+                }
+            } else {
+                i = error;
+                need = 0;
+                *qch++ = QChar::ReplacementCharacter;
+            }
+        } else {
+            if (ch < 128) {
+                *qch++ = ch;
+            } else if ((ch & 0xe0) == 0xc0) {
+                uc = ch & 0x1f;
+                need = 1;
+                error = i;
+                min_uc = 0x80;
+            } else if ((ch & 0xf0) == 0xe0) {
+                uc = ch & 0x0f;
+                need = 2;
+                error = i;
+                min_uc = 0x800;
+            } else if ((ch&0xf8) == 0xf0) {
+                uc = ch & 0x07;
+                need = 3;
+                error = i;
+                min_uc = 0x10000;
+            } else {
+                // Error
+                *qch++ = QChar::ReplacementCharacter;
+            }
+        }
+    }
+    if (need) {
+        // we have some invalid characters remaining we need to add to the string
+        for (int i = error; i < size; ++i)
+            *qch++ = QChar::ReplacementCharacter;
+    }
+
+    result.truncate(qch - result.d->data);
+    return result;
+}
+
+/*!
+    Returns a QString initialized with the first \a size characters
+    of the Unicode string \a unicode (ISO-10646-UTF-16 encoded).
+
+    If \a size is -1 (default), \a unicode must be terminated
+    with a 0.
+
+    QString makes a deep copy of the Unicode data.
+
+    \sa utf16(), setUtf16()
+*/
+QString QString::fromUtf16(const ushort *unicode, int size)
+{
+    if (!unicode)
+        return QString();
+    if (size < 0) {
+        size = 0;
+        while (unicode[size] != 0)
+            ++size;
+    }
+    return QString((const QChar *)unicode, size);
+}
+
+
+/*!
+    \since 4.2
+
+    Returns a QString initialized with the first \a size characters
+    of the Unicode string \a unicode (ISO-10646-UCS-4 encoded).
+
+    If \a size is -1 (default), \a unicode must be terminated
+    with a 0.
+
+    \sa toUcs4(), fromUtf16(), utf16(), setUtf16(), fromWCharArray()
+*/
+QString QString::fromUcs4(const uint *unicode, int size)
+{
+    if (!unicode)
+        return QString();
+    if (size < 0) {
+        size = 0;
+        while (unicode[size] != 0)
+            ++size;
+    }
+
+    QString s;
+    s.resize(size*2); // worst case
+    ushort *uc = s.d->data;
+    for (int i = 0; i < size; ++i) {
+        uint u = unicode[i];
+        if (u > 0xffff) {
+            // decompose into a surrogate pair
+            *uc++ = QChar::highSurrogate(u);
+            u = QChar::lowSurrogate(u);
+        }
+        *uc++ = u;
+    }
+    s.resize(uc - s.d->data);
+    return s;
+}
+
+/*!
+    Resizes the string to \a size characters and copies \a unicode
+    into the string.
+
+    If \a unicode is 0, nothing is copied, but the string is still
+    resized to \a size.
+
+    \sa unicode(), setUtf16()
+*/
+QString& QString::setUnicode(const QChar *unicode, int size)
+{
+     resize(size);
+     if (unicode && size)
+         memcpy(d->data, unicode, size * sizeof(QChar));
+     return *this;
+}
+
+/*!
+    \fn QString &QString::setUtf16(const ushort *unicode, int size)
+
+    Resizes the string to \a size characters and copies \a unicode
+    into the string.
+
+    If \a unicode is 0, nothing is copied, but the string is still
+    resized to \a size.
+
+    \sa utf16(), setUnicode()
+*/
+
+/*!
+    Returns a string that has whitespace removed from the start
+    and the end, and that has each sequence of internal whitespace
+    replaced with a single space.
+
+    Whitespace means any character for which QChar::isSpace() returns
+    true. This includes the ASCII characters '\\t', '\\n', '\\v',
+    '\\f', '\\r', and ' '.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 57
+
+    \sa trimmed()
+*/
+QString QString::simplified() const
+{
+    if (d->size == 0)
+        return *this;
+    QString result;
+    result.resize(d->size);
+    const QChar *from = (const QChar*) d->data;
+    const QChar *fromend = (const QChar*) from+d->size;
+    int outc=0;
+    QChar *to   = (QChar*) result.d->data;
+    for (;;) {
+        while (from!=fromend && from->isSpace())
+            from++;
+        while (from!=fromend && !from->isSpace())
+            to[outc++] = *from++;
+        if (from!=fromend)
+            to[outc++] = QLatin1Char(' ');
+        else
+            break;
+    }
+    if (outc > 0 && to[outc-1] == QLatin1Char(' '))
+        outc--;
+    result.truncate(outc);
+    return result;
+}
+
+/*!
+    Returns a string that has whitespace removed from the start and
+    the end.
+
+    Whitespace means any character for which QChar::isSpace() returns
+    true. This includes the ASCII characters '\\t', '\\n', '\\v',
+    '\\f', '\\r', and ' '.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 82
+
+    Unlike simplified(), trimmed() leaves internal whitespace alone.
+
+    \sa simplified()
+*/
+QString QString::trimmed() const
+{
+    if (d->size == 0)
+        return *this;
+    const QChar *s = (const QChar*)d->data;
+    if (!s->isSpace() && !s[d->size-1].isSpace())
+        return *this;
+    int start = 0;
+    int end = d->size - 1;
+    while (start<=end && s[start].isSpace())  // skip white space from start
+        start++;
+    if (start <= end) {                          // only white space
+        while (end && s[end].isSpace())           // skip white space from end
+            end--;
+    }
+    int l = end - start + 1;
+    if (l <= 0) {
+        shared_empty.ref.ref();
+        return QString(&shared_empty, 0);
+    }
+    return QString(s + start, l);
+}
+
+/*! \fn const QChar QString::at(int position) const
+
+    Returns the character at the given index \a position in the
+    string.
+
+    The \a position must be a valid index position in the string
+    (i.e., 0 <= \a position < size()).
+
+    \sa operator[]()
+*/
+
+/*!
+    \fn QCharRef QString::operator[](int position)
+
+    Returns the character at the specified \a position in the string as a
+    modifiable reference.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 85
+
+    The return value is of type QCharRef, a helper class for QString.
+    When you get an object of type QCharRef, you can use it as if it
+    were a QChar &. If you assign to it, the assignment will apply to
+    the character in the QString from which you got the reference.
+
+    \sa at()
+*/
+
+/*!
+    \fn const QChar QString::operator[](int position) const
+
+    \overload operator[]()
+*/
+
+/*! \fn QCharRef QString::operator[](uint position)
+
+\overload operator[]()
+
+Returns the character at the specified \a position in the string as a
+modifiable reference. Equivalent to \c at(position).
+*/
+
+/*! \fn const QChar QString::operator[](uint position) const
+
+\overload operator[]()
+*/
+
+/*!
+    \fn void QString::truncate(int position)
+
+    Truncates the string at the given \a position index.
+
+    If the specified \a position index is beyond the end of the
+    string, nothing happens.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 83
+
+    If \a position is negative, it is equivalent to passing zero.
+
+    \sa chop(), resize(), left()
+*/
+
+void QString::truncate(int pos)
+{
+    if (pos < d->size)
+        resize(pos);
+}
+
+
+/*!
+    Removes \a n characters from the end of the string.
+
+    If \a n is greater than size(), the result is an empty string.
+
+    Example:
+    \snippet doc/src/snippets/qstring/main.cpp 15
+
+    If you want to remove characters from the \e beginning of the
+    string, use remove() instead.
+
+    \sa truncate(), resize(), remove()
+*/
+void QString::chop(int n)
+{
+    if (n > 0)
+        resize(d->size - n);
+}
+
+/*!
+    Sets every character in the string to character \a ch. If \a size
+    is different from -1 (default), the string is resized to \a
+    size beforehand.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 21
+
+    \sa resize()
+*/
+
+QString& QString::fill(QChar ch, int size)
+{
+    resize(size < 0 ? d->size : size);
+    if (d->size) {
+        QChar *i = (QChar*)d->data + d->size;
+        QChar *b = (QChar*)d->data;
+        while (i != b)
+           *--i = ch;
+    }
+    return *this;
+}
+
+/*!
+    \fn int QString::length() const
+
+    Returns the number of characters in this string.  Equivalent to
+    size().
+
+    \sa setLength()
+*/
+
+/*!
+    \fn int QString::size() const
+
+    Returns the number of characters in this string.
+
+    The last character in the string is at position size() - 1. In
+    addition, QString ensures that the character at position size()
+    is always '\\0', so that you can use the return value of data()
+    and constData() as arguments to functions that expect
+    '\\0'-terminated strings.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 58
+
+    \sa isEmpty(), resize()
+*/
+
+/*! \fn bool QString::isNull() const
+
+    Returns true if this string is null; otherwise returns false.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 28
+
+    Qt makes a distinction between null strings and empty strings for
+    historical reasons. For most applications, what matters is
+    whether or not a string contains any data, and this can be
+    determined using the isEmpty() function.
+
+    \sa isEmpty()
+*/
+
+/*! \fn bool QString::isEmpty() const
+
+    Returns true if the string has no characters; otherwise returns
+    false.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 27
+
+    \sa size()
+*/
+
+/*! \fn QString &QString::operator+=(const QString &other)
+
+    Appends the string \a other onto the end of this string and
+    returns a reference to this string.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 84
+
+    This operation is typically very fast (\l{constant time}),
+    because QString preallocates extra space at the end of the string
+    data so it can grow without reallocating the entire string each
+    time.
+
+    \sa append(), prepend()
+*/
+
+/*! \fn QString &QString::operator+=(const QLatin1String &str)
+
+    \overload operator+=()
+
+    Appends the Latin-1 string \a str to this string.
+*/
+
+/*! \fn QString &QString::operator+=(const QByteArray &ba)
+
+    \overload operator+=()
+
+    Appends the byte array \a ba to this string. The byte array is
+    converted to Unicode using the fromAscii() function.
+
+    You can disable this function by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn QString &QString::operator+=(const char *str)
+
+    \overload operator+=()
+
+    Appends the string \a str to this string. The const char pointer
+    is converted to Unicode using the fromAscii() function.
+
+    You can disable this function by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*! \fn QString &QString::operator+=(const QStringRef &str)
+
+    \overload operator+=()
+
+    Appends the string section referenced by \a str to this string.
+*/
+
+/*! \fn QString &QString::operator+=(char ch)
+
+    \overload operator+=()
+
+    Appends the character \a ch to this string. The character is
+    converted to Unicode using the fromAscii() function.
+
+    You can disable this function by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*! \fn QString &QString::operator+=(QChar ch)
+
+    \overload operator+=()
+
+    Appends the character \a ch to the string.
+*/
+
+/*! \fn QString &QString::operator+=(QChar::SpecialCharacter c)
+
+    \overload operator+=()
+
+    \internal
+*/
+
+/*!
+    \fn bool operator==(const char *s1, const QString &s2)
+
+    \overload  operator==()
+    \relates QString
+
+    Returns true if \a s1 is equal to \a s2; otherwise returns false.
+    Note that no string is equal to \a s1 being 0.
+
+    Equivalent to \c {s1 != 0 && compare(s1, s2) == 0}.
+
+    \sa QString::compare()
+*/
+
+/*!
+    \fn bool operator!=(const char *s1, const QString &s2)
+    \relates QString
+
+    Returns true if \a s1 is not equal to \a s2; otherwise returns
+    false.
+
+    For \a s1 != 0, this is equivalent to \c {compare(} \a s1, \a s2
+    \c {) != 0}. Note that no string is equal to \a s1 being 0.
+
+    \sa QString::compare()
+*/
+
+/*!
+    \fn bool operator<(const char *s1, const QString &s2)
+    \relates QString
+
+    Returns true if \a s1 is lexically less than \a s2; otherwise
+    returns false.  For \a s1 != 0, this is equivalent to \c
+    {compare(s1, s2) < 0}.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+
+    \sa QString::compare()
+*/
+
+/*!
+    \fn bool operator<=(const char *s1, const QString &s2)
+    \relates QString
+
+    Returns true if \a s1 is lexically less than or equal to \a s2;
+    otherwise returns false.  For \a s1 != 0, this is equivalent to \c
+    {compare(s1, s2) <= 0}.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    QString::localeAwareCompare().
+
+    \sa QString::compare()
+*/
+
+/*!
+    \fn bool operator>(const char *s1, const QString &s2)
+    \relates QString
+
+    Returns true if \a s1 is lexically greater than \a s2; otherwise
+    returns false.  Equivalent to \c {compare(s1, s2) > 0}.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+
+    \sa QString::compare()
+*/
+
+/*!
+    \fn bool operator>=(const char *s1, const QString &s2)
+    \relates QString
+
+    Returns true if \a s1 is lexically greater than or equal to \a s2;
+    otherwise returns false.  For \a s1 != 0, this is equivalent to \c
+    {compare(s1, s2) >= 0}.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+*/
+
+/*!
+    \fn const QString operator+(const QString &s1, const QString &s2)
+    \relates QString
+
+    Returns a string which is the result of concatenating \a s1 and \a
+    s2.
+*/
+
+/*!
+    \fn const QString operator+(const QString &s1, const char *s2)
+    \relates QString
+
+    Returns a string which is the result of concatenating \a s1 and \a
+    s2 (\a s2 is converted to Unicode using the QString::fromAscii()
+    function).
+
+    \sa QString::fromAscii()
+*/
+
+/*!
+    \fn const QString operator+(const char *s1, const QString &s2)
+    \relates QString
+
+    Returns a string which is the result of concatenating \a s1 and \a
+    s2 (\a s1 is converted to Unicode using the QString::fromAscii()
+    function).
+
+    \sa QString::fromAscii()
+*/
+
+/*!
+    \fn const QString operator+(const QString &s, char ch)
+    \relates QString
+
+    Returns a string which is the result of concatenating the string
+    \a s and the character \a ch.
+*/
+
+/*!
+    \fn const QString operator+(char ch, const QString &s)
+    \relates QString
+
+    Returns a string which is the result of concatenating the
+    character \a ch and the string \a s.
+*/
+
+/*!
+    \fn int QString::compare(const QString &s1, const QString &s2, Qt::CaseSensitivity cs)
+    \since 4.2
+
+    Compares \a s1 with \a s2 and returns an integer less than, equal
+    to, or greater than zero if \a s1 is less than, equal to, or
+    greater than \a s2.
+
+    If \a cs is Qt::CaseSensitive, the comparison is case sensitive;
+    otherwise the comparison is case insensitive.
+
+    Case sensitive comparison is based exclusively on the numeric
+    Unicode values of the characters and is very fast, but is not what
+    a human would expect.  Consider sorting user-visible strings with
+    localeAwareCompare().
+
+    \snippet doc/src/snippets/qstring/main.cpp 16
+
+    \sa operator==(), operator<(), operator>()
+*/
+
+/*!
+    \fn int QString::compare(const QString & s1, const QString & s2)
+
+    \overload compare()
+
+    Performs a case sensitive compare of \a s1 and \a s2.
+*/
+
+/*!
+    \fn int QString::compare(const QString &s1, const QLatin1String &s2, Qt::CaseSensitivity cs)
+    \since 4.2
+    \overload compare()
+
+    Performs a comparison of \a s1 and \a s2, using the case
+    sensitivity setting \a cs.
+*/
+
+/*!
+    \fn int QString::compare(const QLatin1String &s1, const QString &s2, Qt::CaseSensitivity cs = Qt::CaseSensitive)
+
+    \since 4.2
+    \overload compare()
+
+    Performs a comparison of \a s1 and \a s2, using the case
+    sensitivity setting \a cs.
+*/
+
+/*!
+    \overload compare()
+
+    Lexically compares this string with the \a other string and
+    returns an integer less than, equal to, or greater than zero if
+    this string is less than, equal to, or greater than the other
+    string.
+
+    Equivalent to \c {compare(*this, other)}.
+*/
+int QString::compare(const QString &other) const
+{
+    return ucstrcmp(constData(), length(), other.constData(), other.length());
+}
+
+/*!
+    \overload compare()
+    \since 4.2
+
+    Same as compare(*this, \a other, \a cs).
+*/
+int QString::compare(const QString &other, Qt::CaseSensitivity cs) const
+{
+    if (cs == Qt::CaseSensitive)
+        return ucstrcmp(constData(), length(), other.constData(), other.length());
+    return ucstricmp(d->data, d->data + d->size, other.d->data, other.d->data + other.d->size);
+}
+
+/*!
+    \internal
+    \since 4.5
+*/
+int QString::compare_helper(const QChar *data1, int length1, const QChar *data2, int length2,
+                            Qt::CaseSensitivity cs)
+{
+    if (cs == Qt::CaseSensitive)
+        return ucstrcmp(data1, length1, data2, length2);
+    register const ushort *s1 = reinterpret_cast<const ushort *>(data1);
+    register const ushort *s2 = reinterpret_cast<const ushort *>(data2);
+    return ucstricmp(s1, s1 + length1, s2, s2 + length2);
+}
+
+/*!
+    \overload compare()
+    \since 4.2
+
+    Same as compare(*this, \a other, \a cs).
+*/
+int QString::compare(const QLatin1String &other, Qt::CaseSensitivity cs) const
+{
+    return compare_helper(unicode(), length(), other, cs);
+}
+
+/*!
+  \fn int QString::compare(const QStringRef &ref, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
+  \overload compare()
+
+  Compares the string reference, \a ref, with the string and returns
+  an integer less than, equal to, or greater than zero if the string
+  is less than, equal to, or greater than \a ref.
+*/
+
+/*!
+  \fn int QString::compare(const QString &s1, const QStringRef &s2, Qt::CaseSensitivity cs = Qt::CaseSensitive)
+  \overload compare()
+*/
+
+/*!
+    \internal
+    \since 4.5
+*/
+int QString::compare_helper(const QChar *data1, int length1, QLatin1String s2,
+                            Qt::CaseSensitivity cs)
+{
+    const ushort *uc = reinterpret_cast<const ushort *>(data1);
+    const ushort *e = uc + length1;
+    const uchar *c = (uchar *)s2.latin1();
+
+    if (!c)
+        return length1;
+
+    if (cs == Qt::CaseSensitive) {
+        while (uc != e && *c && *uc == *c)
+            uc++, c++;
+
+        return *uc - *c;
+    } else {
+        return ucstricmp(uc, e, c);
+    }
+}
+
+/*!
+    \fn int QString::localeAwareCompare(const QString & s1, const QString & s2)
+
+    Compares \a s1 with \a s2 and returns an integer less than, equal
+    to, or greater than zero if \a s1 is less than, equal to, or
+    greater than \a s2.
+
+    The comparison is performed in a locale- and also
+    platform-dependent manner. Use this function to present sorted
+    lists of strings to the user.
+
+    On Mac OS X since Qt 4.3, this function compares according the
+    "Order for sorted lists" setting in the International prefereces panel.
+
+    \sa compare(), QTextCodec::locale()
+*/
+
+/*!
+    \fn int QString::localeAwareCompare(const QStringRef &other) const
+    \since 4.5
+    \overload localeAwareCompare()
+
+    Compares this string with the \a other string and returns an
+    integer less than, equal to, or greater than zero if this string
+    is less than, equal to, or greater than the \a other string.
+
+    The comparison is performed in a locale- and also
+    platform-dependent manner. Use this function to present sorted
+    lists of strings to the user.
+
+    Same as \c {localeAwareCompare(*this, other)}.
+*/
+
+/*!
+    \fn int QString::localeAwareCompare(const QString &s1, const QStringRef &s2)
+    \since 4.5
+    \overload localeAwareCompare()
+
+    Compares \a s1 with \a s2 and returns an integer less than, equal
+    to, or greater than zero if \a s1 is less than, equal to, or
+    greater than \a s2.
+
+    The comparison is performed in a locale- and also
+    platform-dependent manner. Use this function to present sorted
+    lists of strings to the user.
+*/
+
+
+#if !defined(CSTR_LESS_THAN)
+#define CSTR_LESS_THAN    1
+#define CSTR_EQUAL        2
+#define CSTR_GREATER_THAN 3
+#endif
+
+/*!
+    \overload localeAwareCompare()
+
+    Compares this string with the \a other string and returns an
+    integer less than, equal to, or greater than zero if this string
+    is less than, equal to, or greater than the \a other string.
+
+    The comparison is performed in a locale- and also
+    platform-dependent manner. Use this function to present sorted
+    lists of strings to the user.
+
+    Same as \c {localeAwareCompare(*this, other)}.
+*/
+int QString::localeAwareCompare(const QString &other) const
+{
+    return localeAwareCompare_helper(constData(), length(), other.constData(), other.length());
+}
+
+/*!
+    \internal
+    \since 4.5
+*/
+int QString::localeAwareCompare_helper(const QChar *data1, int length1,
+                                       const QChar *data2, int length2)
+{
+    // do the right thing for null and empty
+    if (length1 == 0 || length2 == 0)
+        return ucstrcmp(data1, length1, data2, length2);
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+    int res;
+    QT_WA({
+        const TCHAR* s1 = (TCHAR*)data1;
+        const TCHAR* s2 = (TCHAR*)data2;
+        res = CompareStringW(GetUserDefaultLCID(), 0, s1, length1, s2, length2);
+    } , {
+        QByteArray s1 = toLocal8Bit_helper(data1, length1);
+        QByteArray s2 = toLocal8Bit_helper(data2, length2);
+        res = CompareStringA(GetUserDefaultLCID(), 0, s1.data(), s1.length(), s2.data(), s2.length());
+    });
+
+    switch (res) {
+    case CSTR_LESS_THAN:
+        return -1;
+    case CSTR_GREATER_THAN:
+        return 1;
+    default:
+        return 0;
+    }
+#elif defined (Q_OS_MAC)
+    // Use CFStringCompare for comparing strings on Mac. This makes Qt order
+    // strings the same way as native applications do, and also respects
+    // the "Order for sorted lists" setting in the International preferences
+    // panel.
+    const CFStringRef thisString =
+        CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault,
+            reinterpret_cast<const UniChar *>(data1), length1, kCFAllocatorNull);
+    const CFStringRef otherString =
+        CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault,
+            reinterpret_cast<const UniChar *>(data2), length2, kCFAllocatorNull);
+
+    const int result = CFStringCompare(thisString, otherString, kCFCompareLocalized);
+    CFRelease(thisString);
+    CFRelease(otherString);
+    return result;
+#elif defined(Q_OS_UNIX)
+    // declared in <string.h>
+    int delta = strcoll(toLocal8Bit_helper(data1, length1), toLocal8Bit_helper(data2, length2));
+    if (delta == 0)
+        delta = ucstrcmp(data1, length1, data2, length2);
+    return delta;
+#else
+    return ucstrcmp(data1, length1, data2, length2);
+#endif
+}
+
+
+/*!
+    \fn const QChar *QString::unicode() const
+
+    Returns a '\\0'-terminated Unicode representation of the string.
+    The result remains valid until the string is modified.
+
+    \sa utf16()
+*/
+
+/*!
+    \fn const ushort *QString::utf16() const
+
+    Returns the QString as a '\\0\'-terminated array of unsigned
+    shorts. The result remains valid until the string is modified.
+
+    \sa unicode()
+*/
+
+const ushort *QString::utf16() const
+{
+    if (d->data != d->array) {
+        QString *that = const_cast<QString*>(this);
+        that->realloc();   // ensure '\\0'-termination for ::fromRawData strings
+        return that->d->data;
+    }
+    return d->array;
+}
+
+/*!
+    Returns a string of size \a width that contains this string
+    padded by the \a fill character.
+
+    If \a truncate is false and the size() of the string is more than
+    \a width, then the returned string is a copy of the string.
+
+    \snippet doc/src/snippets/qstring/main.cpp 32
+
+    If \a truncate is true and the size() of the string is more than
+    \a width, then any characters in a copy of the string after
+    position \a width are removed, and the copy is returned.
+
+    \snippet doc/src/snippets/qstring/main.cpp 33
+
+    \sa rightJustified()
+*/
+
+QString QString::leftJustified(int width, QChar fill, bool truncate) const
+{
+    QString result;
+    int len = length();
+    int padlen = width - len;
+    if (padlen > 0) {
+        result.resize(len+padlen);
+        if (len)
+            memcpy(result.d->data, d->data, sizeof(QChar)*len);
+        QChar *uc = (QChar*)result.d->data + len;
+        while (padlen--)
+           * uc++ = fill;
+    } else {
+        if (truncate)
+            result = left(width);
+        else
+            result = *this;
+    }
+    return result;
+}
+
+/*!
+    Returns a string of size() \a width that contains the \a fill
+    character followed by the string. For example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 49
+
+    If \a truncate is false and the size() of the string is more than
+    \a width, then the returned string is a copy of the string.
+
+    If \a truncate is true and the size() of the string is more than
+    \a width, then the resulting string is truncated at position \a
+    width.
+
+    \snippet doc/src/snippets/qstring/main.cpp 50
+
+    \sa leftJustified()
+*/
+
+QString QString::rightJustified(int width, QChar fill, bool truncate) const
+{
+    QString result;
+    int len = length();
+    int padlen = width - len;
+    if (padlen > 0) {
+        result.resize(len+padlen);
+        QChar *uc = (QChar*)result.d->data;
+        while (padlen--)
+           * uc++ = fill;
+        if (len)
+            memcpy(uc, d->data, sizeof(QChar)*len);
+    } else {
+        if (truncate)
+            result = left(width);
+        else
+            result = *this;
+    }
+    return result;
+}
+
+/*!
+    Returns a lowercase copy of the string.
+
+    \snippet doc/src/snippets/qstring/main.cpp 75
+
+    \sa toUpper()
+*/
+
+QString QString::toLower() const
+{
+    const ushort *p = d->data;
+    if (!p)
+        return *this;
+    if (!d->size)
+        return *this;
+
+    const ushort *e = d->data + d->size;
+
+    // this avoids one out of bounds check in the loop
+    if (QChar(*p).isLowSurrogate())
+        ++p;
+
+    while (p != e) {
+        uint c = *p;
+        if (QChar(c).isLowSurrogate() && QChar(*(p - 1)).isHighSurrogate())
+            c = QChar::surrogateToUcs4(*(p - 1), c);
+        const QUnicodeTables::Properties *prop = qGetProp(c);
+        if (prop->lowerCaseDiff || prop->lowerCaseSpecial) {
+            QString s;
+            s.resize(d->size);
+            memcpy(s.d->data, d->data, (p - d->data)*sizeof(ushort));
+            ushort *pp = s.d->data + (p - d->data);
+            while (p < e) {
+                uint c = *p;
+                if (QChar(c).isLowSurrogate() && QChar(*(p - 1)).isHighSurrogate())
+                    c = QChar::surrogateToUcs4(*(p - 1), c);
+                prop = qGetProp(c);
+                if (prop->lowerCaseSpecial) {
+                    int pos = pp - s.d->data;
+                    s.resize(s.d->size + SPECIAL_CASE_MAX_LEN);
+                    pp = s.d->data + pos;
+                    const ushort *specialCase = specialCaseMap + prop->lowerCaseDiff;
+                    while (*specialCase)
+                        *pp++ = *specialCase++;
+                } else {
+                    *pp++ = *p + prop->lowerCaseDiff;
+                }
+                ++p;
+            }
+            s.truncate(pp - s.d->data);
+            return s;
+        }
+        ++p;
+    }
+    return *this;
+}
+
+/*!
+    Returns the case folded equivalent of the string. For most Unicode
+    characters this is the same as toLower().
+*/
+QString QString::toCaseFolded() const
+{
+    if (!d->size)
+        return *this;
+
+    const ushort *p = d->data;
+    if (!p)
+        return *this;
+
+    const ushort *e = d->data + d->size;
+
+    uint last = 0;
+    while (p < e) {
+        ushort folded = foldCase(*p, last);
+        if (folded != *p) {
+            QString s(*this);
+            s.detach();
+            ushort *pp = s.d->data + (p - d->data);
+            const ushort *ppe = s.d->data + s.d->size;
+            last = pp > s.d->data ? *(pp - 1) : 0;
+            while (pp < ppe) {
+                *pp = foldCase(*pp, last);
+                ++pp;
+            }
+            return s;
+        }
+        p++;
+    }
+    return *this;
+}
+
+/*!
+    Returns an uppercase copy of the string.
+
+    \snippet doc/src/snippets/qstring/main.cpp 81
+
+    \sa toLower()
+*/
+
+QString QString::toUpper() const
+{
+    const ushort *p = d->data;
+    if (!p)
+        return *this;
+    if (!d->size)
+        return *this;
+
+    const ushort *e = d->data + d->size;
+
+    // this avoids one out of bounds check in the loop
+    if (QChar(*p).isLowSurrogate())
+        ++p;
+
+    while (p != e) {
+        uint c = *p;
+        if (QChar(c).isLowSurrogate() && QChar(*(p - 1)).isHighSurrogate())
+            c = QChar::surrogateToUcs4(*(p - 1), c);
+        const QUnicodeTables::Properties *prop = qGetProp(c);
+        if (prop->upperCaseDiff || prop->upperCaseSpecial) {
+            QString s;
+            s.resize(d->size);
+            memcpy(s.d->data, d->data, (p - d->data)*sizeof(ushort));
+            ushort *pp = s.d->data + (p - d->data);
+            while (p < e) {
+                uint c = *p;
+                if (QChar(c).isLowSurrogate() && QChar(*(p - 1)).isHighSurrogate())
+                    c = QChar::surrogateToUcs4(*(p - 1), c);
+                prop = qGetProp(c);
+                if (prop->upperCaseSpecial) {
+                    int pos = pp - s.d->data;
+                    s.resize(s.d->size + SPECIAL_CASE_MAX_LEN);
+                    pp = s.d->data + pos;
+                    const ushort *specialCase = specialCaseMap + prop->upperCaseDiff;
+                    while (*specialCase)
+                        *pp++ = *specialCase++;
+                } else {
+                    *pp++ = *p + prop->upperCaseDiff;
+                }
+                ++p;
+            }
+            s.truncate(pp - s.d->data);
+            return s;
+        }
+        ++p;
+    }
+    return *this;
+}
+
+// ### Qt 5: Consider whether this function shouldn't be removed See task 202871.
+/*!
+    Safely builds a formatted string from the format string \a cformat
+    and an arbitrary list of arguments.
+
+    The %lc escape sequence expects a unicode character of type ushort
+    (as returned by QChar::unicode()). The %ls escape sequence expects
+    a pointer to a zero-terminated array of unicode characters of type
+    ushort (as returned by QString::utf16()).
+
+    \note This function expects a UTF-8 string for %s.
+
+    The format string supports most of the conversion specifiers
+    provided by printf() in the standard C++ library. It doesn't
+    honor the length modifiers (e.g. \c h for \c short, \c ll for
+    \c{long long}). If you need those, use the standard snprintf()
+    function instead:
+
+    \snippet doc/src/snippets/qstring/main.cpp 63
+
+    \warning We do not recommend using QString::sprintf() in new Qt
+    code. Instead, consider using QTextStream or arg(), both of
+    which support Unicode strings seamlessly and are type-safe.
+    Here's an example that uses QTextStream:
+
+    \snippet doc/src/snippets/qstring/main.cpp 64
+
+    For \l {QObject::tr()}{translations}, especially if the strings
+    contains more than one escape sequence, you should consider using
+    the arg() function instead. This allows the order of the
+    replacements to be controlled by the translator.
+
+    \sa arg()
+*/
+
+QString &QString::sprintf(const char *cformat, ...)
+{
+    va_list ap;
+    va_start(ap, cformat);
+    QString &s = vsprintf(cformat, ap);
+    va_end(ap);
+    return s;
+}
+
+/*!
+    Equivalent method to sprintf(), but takes a va_list \a ap
+    instead a list of variable arguments. See the sprintf()
+    documentation for an explanation of \a cformat.
+
+    This method does not call the va_end macro, the caller
+    is responsible to call va_end on \a ap.
+
+    \sa sprintf()
+*/
+
+QString &QString::vsprintf(const char* cformat, va_list ap)
+{
+    QLocale locale(QLocale::C);
+
+    if (!cformat || !*cformat) {
+        // Qt 1.x compat
+        *this = fromLatin1("");
+        return *this;
+    }
+
+    // Parse cformat
+
+    QString result;
+    const char *c = cformat;
+    for (;;) {
+        // Copy non-escape chars to result
+        while (*c != '\0' && *c != '%')
+            result.append(QLatin1Char(*c++));
+
+        if (*c == '\0')
+            break;
+
+        // Found '%'
+        const char *escape_start = c;
+        ++c;
+
+        if (*c == '\0') {
+            result.append(QLatin1Char('%')); // a % at the end of the string - treat as non-escape text
+            break;
+        }
+        if (*c == '%') {
+            result.append(QLatin1Char('%')); // %%
+            ++c;
+            continue;
+        }
+
+        // Parse flag characters
+        uint flags = 0;
+        bool no_more_flags = false;
+        do {
+            switch (*c) {
+                case '#': flags |= QLocalePrivate::Alternate; break;
+                case '0': flags |= QLocalePrivate::ZeroPadded; break;
+                case '-': flags |= QLocalePrivate::LeftAdjusted; break;
+                case ' ': flags |= QLocalePrivate::BlankBeforePositive; break;
+                case '+': flags |= QLocalePrivate::AlwaysShowSign; break;
+                case '\'': flags |= QLocalePrivate::ThousandsGroup; break;
+                default: no_more_flags = true; break;
+            }
+
+            if (!no_more_flags)
+                ++c;
+        } while (!no_more_flags);
+
+        if (*c == '\0') {
+            result.append(QLatin1String(escape_start)); // incomplete escape, treat as non-escape text
+            break;
+        }
+
+        // Parse field width
+        int width = -1; // -1 means unspecified
+        if (qIsDigit(*c)) {
+            QString width_str;
+            while (*c != '\0' && qIsDigit(*c))
+                width_str.append(QLatin1Char(*c++));
+
+            // can't be negative - started with a digit
+            // contains at least one digit
+            width = width_str.toInt();
+        }
+        else if (*c == '*') {
+            width = va_arg(ap, int);
+            if (width < 0)
+                width = -1; // treat all negative numbers as unspecified
+            ++c;
+        }
+
+        if (*c == '\0') {
+            result.append(QLatin1String(escape_start)); // incomplete escape, treat as non-escape text
+            break;
+        }
+
+        // Parse precision
+        int precision = -1; // -1 means unspecified
+        if (*c == '.') {
+            ++c;
+            if (qIsDigit(*c)) {
+                QString precision_str;
+                while (*c != '\0' && qIsDigit(*c))
+                    precision_str.append(QLatin1Char(*c++));
+
+                // can't be negative - started with a digit
+                // contains at least one digit
+                precision = precision_str.toInt();
+            }
+            else if (*c == '*') {
+                precision = va_arg(ap, int);
+                if (precision < 0)
+                    precision = -1; // treat all negative numbers as unspecified
+                ++c;
+            }
+        }
+
+        if (*c == '\0') {
+            result.append(QLatin1String(escape_start)); // incomplete escape, treat as non-escape text
+            break;
+        }
+
+        // Parse the length modifier
+        enum LengthMod { lm_none, lm_hh, lm_h, lm_l, lm_ll, lm_L, lm_j, lm_z, lm_t };
+        LengthMod length_mod = lm_none;
+        switch (*c) {
+            case 'h':
+                ++c;
+                if (*c == 'h') {
+                    length_mod = lm_hh;
+                    ++c;
+                }
+                else
+                    length_mod = lm_h;
+                break;
+
+            case 'l':
+                ++c;
+                if (*c == 'l') {
+                    length_mod = lm_ll;
+                    ++c;
+                }
+                else
+                    length_mod = lm_l;
+                break;
+
+            case 'L':
+                ++c;
+                length_mod = lm_L;
+                break;
+
+            case 'j':
+                ++c;
+                length_mod = lm_j;
+                break;
+
+            case 'z':
+            case 'Z':
+                ++c;
+                length_mod = lm_z;
+                break;
+
+            case 't':
+                ++c;
+                length_mod = lm_t;
+                break;
+
+            default: break;
+        }
+
+        if (*c == '\0') {
+            result.append(QLatin1String(escape_start)); // incomplete escape, treat as non-escape text
+            break;
+        }
+
+        // Parse the conversion specifier and do the conversion
+        QString subst;
+        switch (*c) {
+            case 'd':
+            case 'i': {
+                qint64 i;
+                switch (length_mod) {
+                    case lm_none: i = va_arg(ap, int); break;
+                    case lm_hh: i = va_arg(ap, int); break;
+                    case lm_h: i = va_arg(ap, int); break;
+                    case lm_l: i = va_arg(ap, long int); break;
+                    case lm_ll: i = va_arg(ap, qint64); break;
+                    case lm_j: i = va_arg(ap, long int); break;
+                    case lm_z: i = va_arg(ap, size_t); break;
+                    case lm_t: i = va_arg(ap, int); break;
+                    default: i = 0; break;
+                }
+                subst = locale.d()->longLongToString(i, precision, 10, width, flags);
+                ++c;
+                break;
+            }
+            case 'o':
+            case 'u':
+            case 'x':
+            case 'X': {
+                quint64 u;
+                switch (length_mod) {
+                    case lm_none: u = va_arg(ap, uint); break;
+                    case lm_hh: u = va_arg(ap, uint); break;
+                    case lm_h: u = va_arg(ap, uint); break;
+                    case lm_l: u = va_arg(ap, ulong); break;
+                    case lm_ll: u = va_arg(ap, quint64); break;
+                    case lm_z: u = va_arg(ap, size_t); break;
+                    default: u = 0; break;
+                }
+
+                if (qIsUpper(*c))
+                    flags |= QLocalePrivate::CapitalEorX;
+
+                int base = 10;
+                switch (qToLower(*c)) {
+                    case 'o':
+                        base = 8; break;
+                    case 'u':
+                        base = 10; break;
+                    case 'x':
+                        base = 16; break;
+                    default: break;
+                }
+                subst = locale.d()->unsLongLongToString(u, precision, base, width, flags);
+                ++c;
+                break;
+            }
+            case 'E':
+            case 'e':
+            case 'F':
+            case 'f':
+            case 'G':
+            case 'g':
+            case 'A':
+            case 'a': {
+                double d;
+                if (length_mod == lm_L)
+                    d = va_arg(ap, long double); // not supported - converted to a double
+                else
+                    d = va_arg(ap, double);
+
+                if (qIsUpper(*c))
+                    flags |= QLocalePrivate::CapitalEorX;
+
+                QLocalePrivate::DoubleForm form = QLocalePrivate::DFDecimal;
+                switch (qToLower(*c)) {
+                    case 'e': form = QLocalePrivate::DFExponent; break;
+                    case 'a':                             // not supported - decimal form used instead
+                    case 'f': form = QLocalePrivate::DFDecimal; break;
+                    case 'g': form = QLocalePrivate::DFSignificantDigits; break;
+                    default: break;
+                }
+                subst = locale.d()->doubleToString(d, precision, form, width, flags);
+                ++c;
+                break;
+            }
+            case 'c': {
+                if (length_mod == lm_l)
+                    subst = QChar((ushort) va_arg(ap, int));
+                else
+                    subst = QLatin1Char((uchar) va_arg(ap, int));
+                ++c;
+                break;
+            }
+            case 's': {
+                if (length_mod == lm_l) {
+                    const ushort *buff = va_arg(ap, const ushort*);
+                    const ushort *ch = buff;
+                    while (*ch != 0)
+                        ++ch;
+                    subst.setUtf16(buff, ch - buff);
+                } else
+                    subst = QString::fromUtf8(va_arg(ap, const char*));
+                if (precision != -1)
+                    subst.truncate(precision);
+                ++c;
+                break;
+            }
+            case 'p': {
+                void *arg = va_arg(ap, void*);
+#ifdef Q_OS_WIN64
+                quint64 i = reinterpret_cast<quint64>(arg);
+#else
+                quint64 i = reinterpret_cast<unsigned long>(arg);
+#endif
+                flags |= QLocalePrivate::Alternate;
+                subst = locale.d()->unsLongLongToString(i, precision, 16, width, flags);
+                ++c;
+                break;
+            }
+            case 'n':
+                switch (length_mod) {
+                    case lm_hh: {
+                        signed char *n = va_arg(ap, signed char*);
+                        *n = result.length();
+                        break;
+                    }
+                    case lm_h: {
+                        short int *n = va_arg(ap, short int*);
+                        *n = result.length();
+                            break;
+                    }
+                    case lm_l: {
+                        long int *n = va_arg(ap, long int*);
+                        *n = result.length();
+                        break;
+                    }
+                    case lm_ll: {
+                        qint64 *n = va_arg(ap, qint64*);
+                        volatile uint tmp = result.length(); // egcs-2.91.66 gets internal
+                        *n = tmp;                             // compiler error without volatile
+                        break;
+                    }
+                    default: {
+                        int *n = va_arg(ap, int*);
+                        *n = result.length();
+                        break;
+                    }
+                }
+                ++c;
+                break;
+
+            default: // bad escape, treat as non-escape text
+                for (const char *cc = escape_start; cc != c; ++cc)
+                    result.append(QLatin1Char(*cc));
+                continue;
+        }
+
+        if (flags & QLocalePrivate::LeftAdjusted)
+            result.append(subst.leftJustified(width));
+        else
+            result.append(subst.rightJustified(width));
+    }
+
+    *this = result;
+
+    return *this;
+}
+
+/*!
+    Returns the string converted to a \c{long long} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+    Returns 0 if the conversion fails.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true.
+
+    If \a base is 0, the C language convention is used: If the string
+    begins with "0x", base 16 is used; if the string begins with "0",
+    base 8 is used; otherwise, base 10 is used.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 74
+
+    \sa number(), toULongLong(), toInt()
+*/
+
+qint64 QString::toLongLong(bool *ok, int base) const
+{
+#if defined(QT_CHECK_RANGE)
+    if (base != 0 && (base < 2 || base > 36)) {
+        qWarning("QString::toLongLong: Invalid base (%d)", base);
+        base = 10;
+    }
+#endif
+
+    bool my_ok;
+    QLocale def_locale;
+    qint64 result = def_locale.d()->stringToLongLong(*this, base, &my_ok, QLocalePrivate::FailOnGroupSeparators);
+    if (my_ok) {
+        if (ok != 0)
+            *ok = true;
+        return result;
+    }
+
+    QLocale c_locale(QLocale::C);
+    return c_locale.d()->stringToLongLong(*this, base, ok, QLocalePrivate::FailOnGroupSeparators);
+}
+
+/*!
+    Returns the string converted to an \c{unsigned long long} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+    Returns 0 if the conversion fails.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true.
+
+    If \a base is 0, the C language convention is used: If the string
+    begins with "0x", base 16 is used; if the string begins with "0",
+    base 8 is used; otherwise, base 10 is used.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 79
+
+    \sa number(), toLongLong()
+*/
+
+quint64 QString::toULongLong(bool *ok, int base) const
+{
+#if defined(QT_CHECK_RANGE)
+    if (base != 0 && (base < 2 || base > 36)) {
+        qWarning("QString::toULongLong: Invalid base (%d)", base);
+        base = 10;
+    }
+#endif
+
+    bool my_ok;
+    QLocale def_locale;
+    quint64 result = def_locale.d()->stringToUnsLongLong(*this, base, &my_ok, QLocalePrivate::FailOnGroupSeparators);
+    if (my_ok) {
+        if (ok != 0)
+            *ok = true;
+        return result;
+    }
+
+    QLocale c_locale(QLocale::C);
+    return c_locale.d()->stringToUnsLongLong(*this, base, ok, QLocalePrivate::FailOnGroupSeparators);
+}
+
+/*!
+    \fn long QString::toLong(bool *ok, int base) const
+
+    Returns the string converted to a \c long using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+    Returns 0 if the conversion fails.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true.
+
+    If \a base is 0, the C language convention is used: If the string
+    begins with "0x", base 16 is used; if the string begins with "0",
+    base 8 is used; otherwise, base 10 is used.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 73
+
+    \sa number(), toULong(), toInt()
+*/
+
+long QString::toLong(bool *ok, int base) const
+{
+    qint64 v = toLongLong(ok, base);
+    if (v < LONG_MIN || v > LONG_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return (long)v;
+}
+
+/*!
+    \fn ulong QString::toULong(bool *ok, int base) const
+
+    Returns the string converted to an \c{unsigned long} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+    Returns 0 if the conversion fails.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true.
+
+    If \a base is 0, the C language convention is used: If the string
+    begins with "0x", base 16 is used; if the string begins with "0",
+    base 8 is used; otherwise, base 10 is used.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 78
+
+    \sa number()
+*/
+
+ulong QString::toULong(bool *ok, int base) const
+{
+    quint64 v = toULongLong(ok, base);
+    if (v > ULONG_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return (ulong)v;
+}
+
+
+/*!
+    Returns the string converted to an \c int using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+    Returns 0 if the conversion fails.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true.
+
+    If \a base is 0, the C language convention is used: If the string
+    begins with "0x", base 16 is used; if the string begins with "0",
+    base 8 is used; otherwise, base 10 is used.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 72
+
+    \sa number(), toUInt(), toDouble()
+*/
+
+int QString::toInt(bool *ok, int base) const
+{
+    qint64 v = toLongLong(ok, base);
+    if (v < INT_MIN || v > INT_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return v;
+}
+
+/*!
+    Returns the string converted to an \c{unsigned int} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+    Returns 0 if the conversion fails.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true.
+
+    If \a base is 0, the C language convention is used: If the string
+    begins with "0x", base 16 is used; if the string begins with "0",
+    base 8 is used; otherwise, base 10 is used.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 77
+
+    \sa number(), toInt()
+*/
+
+uint QString::toUInt(bool *ok, int base) const
+{
+    quint64 v = toULongLong(ok, base);
+    if (v > UINT_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return (uint)v;
+}
+
+/*!
+    Returns the string converted to a \c short using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+    Returns 0 if the conversion fails.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true.
+
+    If \a base is 0, the C language convention is used: If the string
+    begins with "0x", base 16 is used; if the string begins with "0",
+    base 8 is used; otherwise, base 10 is used.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 76
+
+    \sa number(), toUShort(), toInt()
+*/
+
+short QString::toShort(bool *ok, int base) const
+{
+    long v = toLongLong(ok, base);
+    if (v < SHRT_MIN || v > SHRT_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return (short)v;
+}
+
+/*!
+    Returns the string converted to an \c{unsigned short} using base \a
+    base, which is 10 by default and must be between 2 and 36, or 0.
+    Returns 0 if the conversion fails.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true.
+
+    If \a base is 0, the C language convention is used: If the string
+    begins with "0x", base 16 is used; if the string begins with "0",
+    base 8 is used; otherwise, base 10 is used.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 80
+
+    \sa number(), toShort()
+*/
+
+ushort QString::toUShort(bool *ok, int base) const
+{
+    ulong v = toULongLong(ok, base);
+    if (v > USHRT_MAX) {
+        if (ok)
+            *ok = false;
+        v = 0;
+    }
+    return (ushort)v;
+}
+
+
+/*!
+    Returns the string converted to a \c double value.
+
+    Returns 0.0 if the conversion fails.
+
+    If a conversion error occurs, \c{*}\a{ok} is set to false;
+    otherwise \c{*}\a{ok} is set to true.
+
+    \snippet doc/src/snippets/qstring/main.cpp 66
+
+    Various string formats for floating point numbers can be converted
+    to double values:
+
+    \snippet doc/src/snippets/qstring/main.cpp 67
+
+    This function tries to interpret the string according to the
+    current locale. The current locale is determined from the
+    system at application startup and can be changed by calling
+    QLocale::setDefault(). If the string cannot be interpreted
+    according to the current locale, this function falls back
+    on the "C" locale.
+
+    \snippet doc/src/snippets/qstring/main.cpp 69
+    \snippet doc/src/snippets/qstring/main.cpp 70
+
+    Due to the ambiguity between the decimal point and thousands group
+    separator in various locales, this function does not handle
+    thousands group separators. If you need to convert such numbers,
+    see QLocale::toDouble().
+
+    \snippet doc/src/snippets/qstring/main.cpp 68
+
+    \sa number() QLocale::setDefault() QLocale::toDouble() trimmed()
+*/
+
+double QString::toDouble(bool *ok) const
+{
+    bool my_ok;
+    QLocale def_locale;
+    double result = def_locale.d()->stringToDouble(*this, &my_ok, QLocalePrivate::FailOnGroupSeparators);
+    if (my_ok) {
+        if (ok != 0)
+            *ok = true;
+        return result;
+    }
+
+    QLocale c_locale(QLocale::C);
+    return c_locale.d()->stringToDouble(*this, ok, QLocalePrivate::FailOnGroupSeparators);
+}
+
+/*!
+    Returns the string converted to a \c float value.
+
+    If a conversion error occurs, *\a{ok} is set to false; otherwise
+    *\a{ok} is set to true. Returns 0.0 if the conversion fails.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 71
+
+    \sa number(), toDouble(), toInt()
+*/
+
+#define QT_MAX_FLOAT 3.4028234663852886e+38
+
+float QString::toFloat(bool *ok) const
+{
+    bool myOk;
+    double d = toDouble(&myOk);
+    if (!myOk || d > QT_MAX_FLOAT || d < -QT_MAX_FLOAT) {
+        if (ok != 0)
+            *ok = false;
+        return 0.0;
+    }
+    if (ok != 0)
+        *ok = true;
+    return (float) d;
+}
+
+/*! \fn QString &QString::setNum(int n, int base)
+
+    Sets the string to the printed value of \a n in the specified \a
+    base, and returns a reference to the string.
+
+    The base is 10 by default and must be between 2 and 36. For bases
+    other than 10, \a n is treated as an unsigned integer.
+
+    \snippet doc/src/snippets/qstring/main.cpp 56
+
+   The formatting always uses QLocale::C, i.e., English/UnitedStates.
+   To get a localized string representation of a number, use
+   QLocale::toString() with the appropriate locale.
+*/
+
+/*! \fn QString &QString::setNum(uint n, int base)
+
+    \overload
+*/
+
+/*! \fn QString &QString::setNum(long n, int base)
+
+    \overload
+*/
+
+/*! \fn QString &QString::setNum(ulong n, int base)
+
+    \overload
+*/
+
+/*!
+    \overload
+*/
+QString &QString::setNum(qlonglong n, int base)
+{
+#if defined(QT_CHECK_RANGE)
+    if (base < 2 || base > 36) {
+        qWarning("QString::setNum: Invalid base (%d)", base);
+        base = 10;
+    }
+#endif
+    QLocale locale(QLocale::C);
+    *this = locale.d()->longLongToString(n, -1, base);
+    return *this;
+}
+
+/*!
+    \overload
+*/
+QString &QString::setNum(qulonglong n, int base)
+{
+#if defined(QT_CHECK_RANGE)
+    if (base < 2 || base > 36) {
+        qWarning("QString::setNum: Invalid base (%d)", base);
+        base = 10;
+    }
+#endif
+    QLocale locale(QLocale::C);
+    *this = locale.d()->unsLongLongToString(n, -1, base);
+    return *this;
+}
+
+/*! \fn QString &QString::setNum(short n, int base)
+
+    \overload
+*/
+
+/*! \fn QString &QString::setNum(ushort n, int base)
+
+    \overload
+*/
+
+/*!
+    \fn QString &QString::setNum(double n, char format, int precision)
+    \overload
+
+    Sets the string to the printed value of \a n, formatted according
+    to the given \a format and \a precision, and returns a reference
+    to the string.
+
+    The \a format can be 'f', 'F', 'e', 'E', 'g' or 'G' (see the
+    arg() function documentation for an explanation of the formats).
+
+    Unlike QLocale::toString(), this function doesn't honor the
+    user's locale settings.
+*/
+
+QString &QString::setNum(double n, char f, int prec)
+{
+    QLocalePrivate::DoubleForm form = QLocalePrivate::DFDecimal;
+    uint flags = 0;
+
+    if (qIsUpper(f))
+        flags = QLocalePrivate::CapitalEorX;
+    f = qToLower(f);
+
+    switch (f) {
+        case 'f':
+            form = QLocalePrivate::DFDecimal;
+            break;
+        case 'e':
+            form = QLocalePrivate::DFExponent;
+            break;
+        case 'g':
+            form = QLocalePrivate::DFSignificantDigits;
+            break;
+        default:
+#if defined(QT_CHECK_RANGE)
+            qWarning("QString::setNum: Invalid format char '%c'", f);
+#endif
+            break;
+    }
+
+    QLocale locale(QLocale::C);
+    *this = locale.d()->doubleToString(n, prec, form, -1, flags);
+    return *this;
+}
+
+/*!
+    \fn QString &QString::setNum(float n, char format, int precision)
+    \overload
+
+    Sets the string to the printed value of \a n, formatted according
+    to the given \a format and \a precision, and returns a reference
+    to the string.
+*/
+
+
+/*!
+    \fn QString QString::number(long n, int base)
+
+    Returns a string equivalent of the number \a n according to the
+    specified \a base.
+
+    The base is 10 by default and must be between 2
+    and 36. For bases other than 10, \a n is treated as an
+    unsigned integer.
+
+    \snippet doc/src/snippets/qstring/main.cpp 35
+
+    \sa setNum()
+*/
+
+QString QString::number(long n, int base)
+{
+    QString s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*!
+  \fn QString QString::number(ulong n, int base)
+
+    \overload
+*/
+QString QString::number(ulong n, int base)
+{
+    QString s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*!
+    \overload
+*/
+QString QString::number(int n, int base)
+{
+    QString s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*!
+    \overload
+*/
+QString QString::number(uint n, int base)
+{
+    QString s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*!
+    \overload
+*/
+QString QString::number(qlonglong n, int base)
+{
+    QString s;
+    s.setNum(n, base);
+    return s;
+}
+
+/*!
+    \overload
+*/
+QString QString::number(qulonglong n, int base)
+{
+    QString s;
+    s.setNum(n, base);
+    return s;
+}
+
+
+/*!
+    \fn QString QString::number(double n, char format, int precision)
+
+    Returns a string equivalent of the number \a n, formatted
+    according to the specified \a format and \a precision. See
+    \l{Argument Formats} for details.
+
+    Unlike QLocale::toString(), this function does not honor the
+    user's locale settings.
+
+    \sa setNum(), QLocale::toString()
+*/
+QString QString::number(double n, char f, int prec)
+{
+    QString s;
+    s.setNum(n, f, prec);
+    return s;
+}
+
+/*!
+    Splits the string into substrings wherever \a sep occurs, and
+    returns the list of those strings. If \a sep does not match
+    anywhere in the string, split() returns a single-element list
+    containing this string.
+
+    \a cs specifies whether \a sep should be matched case
+    sensitively or case insensitively.
+
+    If \a behavior is QString::SkipEmptyParts, empty entries don't
+    appear in the result. By default, empty entries are kept.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 62
+
+    \sa QStringList::join(), section()
+*/
+QStringList QString::split(const QString &sep, SplitBehavior behavior, Qt::CaseSensitivity cs) const
+{
+    QStringList list;
+    int start = 0;
+    int extra = 0;
+    int end;
+    while ((end = indexOf(sep, start + extra, cs)) != -1) {
+        if (start != end || behavior == KeepEmptyParts)
+            list.append(mid(start, end - start));
+        start = end + sep.size();
+        extra = (sep.size() == 0 ? 1 : 0);
+    }
+    if (start != size() || behavior == KeepEmptyParts)
+        list.append(mid(start));
+    return list;
+}
+
+/*!
+    \overload
+*/
+QStringList QString::split(const QChar &sep, SplitBehavior behavior, Qt::CaseSensitivity cs) const
+{
+    QStringList list;
+    int start = 0;
+    int end;
+    while ((end = indexOf(sep, start, cs)) != -1) {
+        if (start != end || behavior == KeepEmptyParts)
+            list.append(mid(start, end - start));
+        start = end + 1;
+    }
+    if (start != size() || behavior == KeepEmptyParts)
+        list.append(mid(start));
+    return list;
+}
+
+#ifndef QT_NO_REGEXP
+/*!
+    \overload
+
+    Splits the string into substrings wherever the regular expression
+    \a rx matches, and returns the list of those strings. If \a rx
+    does not match anywhere in the string, split() returns a
+    single-element list containing this string.
+
+    Here's an example where we extract the words in a sentence
+    using one or more whitespace characters as the separator:
+
+    \snippet doc/src/snippets/qstring/main.cpp 59
+
+    Here's a similar example, but this time we use any sequence of
+    non-word characters as the separator:
+
+    \snippet doc/src/snippets/qstring/main.cpp 60
+
+    Here's a third example where we use a zero-length assertion,
+    \bold{\\b} (word boundary), to split the string into an
+    alternating sequence of non-word and word tokens:
+
+    \snippet doc/src/snippets/qstring/main.cpp 61
+
+    \sa QStringList::join(), section()
+*/
+QStringList QString::split(const QRegExp &rx, SplitBehavior behavior) const
+{
+    QRegExp rx2(rx);
+    QStringList list;
+    int start = 0;
+    int extra = 0;
+    int end;
+    while ((end = rx2.indexIn(*this, start + extra)) != -1) {
+        int matchedLen = rx2.matchedLength();
+        if (start != end || behavior == KeepEmptyParts)
+            list.append(mid(start, end - start));
+        start = end + matchedLen;
+        extra = (matchedLen == 0) ? 1 : 0;
+    }
+    if (start != size() || behavior == KeepEmptyParts)
+        list.append(mid(start));
+    return list;
+}
+#endif
+
+/*!
+    \enum QString::NormalizationForm
+
+    This enum describes the various normalized forms of Unicode text.
+
+    \value NormalizationForm_D  Canonical Decomposition
+    \value NormalizationForm_C  Canonical Decomposition followed by Canonical Composition
+    \value NormalizationForm_KD  Compatibility Decomposition
+    \value NormalizationForm_KC  Compatibility Decomposition followed by Canonical Composition
+
+    \sa normalized(),
+        {http://www.unicode.org/reports/tr15/}{Unicode Standard Annex #15}
+*/
+
+/*!
+    \fn QString QString::normalized(NormalizationForm mode) const
+    Returns the string in the given Unicode normalization \a mode.
+*/
+QString QString::normalized(QString::NormalizationForm mode) const
+{
+    return normalized(mode, CURRENT_VERSION);
+}
+
+/*!
+    \since 4.5
+
+    Returns a copy of this string repeated the specified number of \a times.
+
+    If \a times is less than 1, an empty string is returned.
+
+    Example:
+
+    \code
+        QString str("ab");
+        str.repeated(4);            // returns "abababab"
+    \endcode
+*/
+QString QString::repeated(int times) const
+{
+    if (d->size == 0)
+        return *this;
+
+    if (times <= 1) {
+        if (times == 1)
+            return *this;
+        return QString();
+    }
+
+    const int resultSize = times * d->size;
+
+    QString result;
+    result.reserve(resultSize);
+    if (result.d->alloc != resultSize)
+        return QString(); // not enough memory
+
+    qMemCopy(result.d->data, d->data, d->size * sizeof(ushort));
+
+    int sizeSoFar = d->size;
+    ushort *end = result.d->data + sizeSoFar;
+
+    const int halfResultSize = resultSize >> 1;
+    while (sizeSoFar <= halfResultSize) {
+        qMemCopy(end, result.d->data, sizeSoFar * sizeof(ushort));
+        end += sizeSoFar;
+        sizeSoFar <<= 1;
+    }
+    qMemCopy(end, result.d->data, (resultSize - sizeSoFar) * sizeof(ushort));
+    result.d->data[resultSize] = '\0';
+    result.d->size = resultSize;
+    return result;
+}
+
+/*!
+    \overload
+    \fn QString QString::normalized(NormalizationForm mode, QChar::UnicodeVersion version) const
+
+    Returns the string in the given Unicode normalization \a mode,
+    according to the given \a version of the Unicode standard.
+*/
+QString QString::normalized(QString::NormalizationForm mode, QChar::UnicodeVersion version) const
+{
+    bool simple = true;
+    for (int i = 0; i < d->size; ++i) {
+        if (d->data[i] >= 0x80) {
+            simple = false;
+            break;
+        }
+    }
+    if (simple)
+        return *this;
+    
+    QString s = *this;
+    if (version != CURRENT_VERSION) {
+        for (int i = 0; i < NumNormalizationCorrections; ++i) {
+            const NormalizationCorrection &n = uc_normalization_corrections[i];
+            if (n.version > version) {
+                if (n.ucs4 > 0xffff) {
+                    ushort ucs4High = QChar::highSurrogate(n.ucs4);
+                    ushort ucs4Low = QChar::lowSurrogate(n.ucs4);
+                    ushort oldHigh = QChar::highSurrogate(n.old_mapping);
+                    ushort oldLow = QChar::lowSurrogate(n.old_mapping);
+                    int pos = 0;
+                    while (pos < s.d->size - 1) {
+                        if (s.d->data[pos] == ucs4High && s.d->data[pos + 1] == ucs4Low) {
+                            s.detach();
+                            s.d->data[pos] = oldHigh;
+                            s.d->data[pos + 1] = oldLow;
+                            ++pos;
+                        }
+                        ++pos;
+                    }
+                } else {
+                    int pos = 0;
+                    while (pos < s.d->size) {
+                        if (s.d->data[pos] == n.ucs4) {
+                            s.detach();
+                            s.d->data[pos] = n.old_mapping;
+                        }
+                        ++pos;
+                    }
+                }
+            }
+        }
+    }
+    s = decomposeHelper(s, mode < QString::NormalizationForm_KD, version);
+
+    s = canonicalOrderHelper(s, version);
+
+    if (mode == QString::NormalizationForm_D || mode == QString::NormalizationForm_KD)
+        return s;
+
+    return composeHelper(s);
+
+}
+
+
+struct ArgEscapeData
+{
+    int min_escape;            // lowest escape sequence number
+    int occurrences;           // number of occurrences of the lowest escape sequence number
+    int locale_occurrences;    // number of occurrences of the lowest escape sequence number that
+                               // contain 'L'
+    int escape_len;            // total length of escape sequences which will be replaced
+};
+
+static ArgEscapeData findArgEscapes(const QString &s)
+{
+    const QChar *uc_begin = s.unicode();
+    const QChar *uc_end = uc_begin + s.length();
+
+    ArgEscapeData d;
+
+    d.min_escape = INT_MAX;
+    d.occurrences = 0;
+    d.escape_len = 0;
+    d.locale_occurrences = 0;
+
+    const QChar *c = uc_begin;
+    while (c != uc_end) {
+        while (c != uc_end && c->unicode() != '%')
+            ++c;
+
+        if (c == uc_end)
+            break;
+        const QChar *escape_start = c;
+        if (++c == uc_end)
+            break;
+
+        bool locale_arg = false;
+        if (c->unicode() == 'L') {
+            locale_arg = true;
+            if (++c == uc_end)
+                break;
+        }
+
+        if (c->digitValue() == -1)
+            continue;
+
+        int escape = c->digitValue();
+        ++c;
+
+        if (c != uc_end && c->digitValue() != -1) {
+            escape = (10 * escape) + c->digitValue();
+            ++c;
+        }
+
+        if (escape > d.min_escape)
+            continue;
+
+        if (escape < d.min_escape) {
+            d.min_escape = escape;
+            d.occurrences = 0;
+            d.escape_len = 0;
+            d.locale_occurrences = 0;
+        }
+
+        ++d.occurrences;
+        if (locale_arg)
+            ++d.locale_occurrences;
+        d.escape_len += c - escape_start;
+    }
+    return d;
+}
+
+static QString replaceArgEscapes(const QString &s, const ArgEscapeData &d, int field_width,
+                                 const QString &arg, const QString &larg, const QChar &fillChar = QLatin1Char(' '))
+{
+    const QChar *uc_begin = s.unicode();
+    const QChar *uc_end = uc_begin + s.length();
+
+    int abs_field_width = qAbs(field_width);
+    int result_len = s.length()
+                     - d.escape_len
+                     + (d.occurrences - d.locale_occurrences)
+                     *qMax(abs_field_width, arg.length())
+                     + d.locale_occurrences
+                     *qMax(abs_field_width, larg.length());
+
+    QString result;
+    result.resize(result_len);
+    QChar *result_buff = (QChar*) result.unicode();
+
+    QChar *rc = result_buff;
+    const QChar *c = uc_begin;
+    int repl_cnt = 0;
+    while (c != uc_end) {
+        /* We don't have to check if we run off the end of the string with c,
+           because as long as d.occurrences > 0 we KNOW there are valid escape
+           sequences. */
+
+        const QChar *text_start = c;
+
+        while (c->unicode() != '%')
+            ++c;
+
+        const QChar *escape_start = c++;
+
+        bool locale_arg = false;
+        if (c->unicode() == 'L') {
+            locale_arg = true;
+            ++c;
+        }
+
+        int escape = c->digitValue();
+        if (escape != -1) {
+            if (c + 1 != uc_end && (c + 1)->digitValue() != -1) {
+                escape = (10 * escape) + (c + 1)->digitValue();
+                ++c;
+            }
+        }
+
+        if (escape != d.min_escape) {
+            memcpy(rc, text_start, (c - text_start)*sizeof(QChar));
+            rc += c - text_start;
+        }
+        else {
+            ++c;
+
+            memcpy(rc, text_start, (escape_start - text_start)*sizeof(QChar));
+            rc += escape_start - text_start;
+
+            uint pad_chars;
+            if (locale_arg)
+                pad_chars = qMax(abs_field_width, larg.length()) - larg.length();
+            else
+                pad_chars = qMax(abs_field_width, arg.length()) - arg.length();
+
+            if (field_width > 0) { // left padded
+                for (uint i = 0; i < pad_chars; ++i)
+                    (rc++)->unicode() = fillChar.unicode();
+            }
+
+            if (locale_arg) {
+                memcpy(rc, larg.unicode(), larg.length()*sizeof(QChar));
+                rc += larg.length();
+            }
+            else {
+                memcpy(rc, arg.unicode(), arg.length()*sizeof(QChar));
+                rc += arg.length();
+            }
+
+            if (field_width < 0) { // right padded
+                for (uint i = 0; i < pad_chars; ++i)
+                    (rc++)->unicode() = fillChar.unicode();
+            }
+
+            if (++repl_cnt == d.occurrences) {
+                memcpy(rc, c, (uc_end - c)*sizeof(QChar));
+                rc += uc_end - c;
+                Q_ASSERT(rc - result_buff == result_len);
+                c = uc_end;
+            }
+        }
+    }
+    Q_ASSERT(rc == result_buff + result_len);
+
+    return result;
+}
+
+/*!
+  Returns a copy of this string with the lowest numbered place marker
+  replaced by string \a a, i.e., \c %1, \c %2, ..., \c %99.
+  
+  \a fieldWidth specifies the minimum amount of space that argument \a
+  a shall occupy. If \a a requires less space than \a fieldWidth, it
+  is padded to \a fieldWidth with character \a fillChar.  A positive
+  \a fieldWidth produces right-aligned text. A negative \a fieldWidth
+  produces left-aligned text.
+
+  This example shows how we might create a \c status string for
+  reporting progress while processing a list of files:
+
+  \snippet doc/src/snippets/qstring/main.cpp 11
+
+  First, \c arg(i) replaces \c %1. Then \c arg(total) replaces \c
+  %2. Finally, \c arg(fileName) replaces \c %3.
+
+  One advantage of using arg() over sprintf() is that the order of the
+  numbered place markers can change, if the application's strings are
+  translated into other languages, but each arg() will still replace
+  the lowest numbered unreplaced place marker, no matter where it
+  appears. Also, if place marker \c %i appears more than once in the
+  string, the arg() replaces all of them.
+
+  If there is no unreplaced place marker remaining, a warning message
+  is output and the result is undefined. Place marker numbers must be
+  in the range 1 to 99.
+*/
+QString QString::arg(const QString &a, int fieldWidth, const QChar &fillChar) const
+{
+    ArgEscapeData d = findArgEscapes(*this);
+
+    if (d.occurrences == 0) {
+        qWarning("QString::arg: Argument missing: %s, %s", toLocal8Bit().data(),
+                  a.toLocal8Bit().data());
+        return *this;
+    }
+    return replaceArgEscapes(*this, d, fieldWidth, a, a, fillChar);
+}
+
+/*!
+  \fn QString QString::arg(const QString& a1, const QString& a2) const
+  \overload arg()
+
+  This is the same as \c {str.arg(a1).arg(a2)}, except that the
+  strings \a a1 and \a a2 are replaced in one pass. This can make a
+  difference if \a a1 contains e.g. \c{%1}:
+
+  \snippet doc/src/snippets/qstring/main.cpp 13
+*/
+
+/*!
+  \fn QString QString::arg(const QString& a1, const QString& a2, const QString& a3) const
+  \overload arg()
+
+  This is the same as calling \c str.arg(a1).arg(a2).arg(a3), except
+  that the strings \a a1, \a a2 and \a a3 are replaced in one pass.
+*/
+
+/*!
+  \fn QString QString::arg(const QString& a1, const QString& a2, const QString& a3, const QString& a4) const
+  \overload arg()
+
+  This is the same as calling \c
+  {str.arg(a1).arg(a2).arg(a3).arg(a4)}, except that the strings \a
+  a1, \a a2, \a a3 and \a a4 are replaced in one pass.
+*/
+
+/*!
+  \fn QString QString::arg(const QString& a1, const QString& a2, const QString& a3, const QString& a4, const QString& a5) const
+  \overload arg()
+
+  This is the same as calling \c
+  {str.arg(a1).arg(a2).arg(a3).arg(a4).arg(a5)}, except that the strings
+  \a a1, \a a2, \a a3, \a a4, and \a a5 are replaced in one pass.
+*/
+
+/*!
+  \fn QString QString::arg(const QString& a1, const QString& a2, const QString& a3, const QString& a4, const QString& a5, const QString& a6) const
+  \overload arg()
+
+  This is the same as calling \c
+  {str.arg(a1).arg(a2).arg(a3).arg(a4).arg(a5).arg(a6))}, except that
+  the strings \a a1, \a a2, \a a3, \a a4, \a a5, and \a a6 are
+  replaced in one pass.
+*/
+
+/*!
+  \fn QString QString::arg(const QString& a1, const QString& a2, const QString& a3, const QString& a4, const QString& a5, const QString& a6, const QString& a7) const
+  \overload arg()
+
+  This is the same as calling \c
+  {str.arg(a1).arg(a2).arg(a3).arg(a4).arg(a5).arg(a6).arg(a7)},
+  except that the strings \a a1, \a a2, \a a3, \a a4, \a a5, \a a6,
+  and \a a7 are replaced in one pass.
+*/
+
+/*!
+  \fn QString QString::arg(const QString& a1, const QString& a2, const QString& a3, const QString& a4, const QString& a5, const QString& a6, const QString& a7, const QString& a8) const
+  \overload arg()
+
+  This is the same as calling \c
+  {str.arg(a1).arg(a2).arg(a3).arg(a4).arg(a5).arg(a6).arg(a7).arg(a8)},
+  except that the strings \a a1, \a a2, \a a3, \a a4, \a a5, \a a6, \a
+  a7, and \a a8 are replaced in one pass.
+*/
+
+/*!
+  \fn QString QString::arg(const QString& a1, const QString& a2, const QString& a3, const QString& a4, const QString& a5, const QString& a6, const QString& a7, const QString& a8, const QString& a9) const
+  \overload arg()
+
+  This is the same as calling \c
+  {str.arg(a1).arg(a2).arg(a3).arg(a4).arg(a5).arg(a6).arg(a7).arg(a8).arg(a9)},
+  except that the strings \a a1, \a a2, \a a3, \a a4, \a a5, \a a6, \a
+  a7, \a a8, and \a a9 are replaced in one pass.
+*/
+
+/*! \fn QString QString::arg(int a, int fieldWidth, int base, const QChar &fillChar) const
+  \overload arg()
+
+  The \a a argument is expressed in base \a base, which is 10 by
+  default and must be between 2 and 36. For bases other than 10, \a a
+  is treated as an unsigned integer.
+
+  \a fieldWidth specifies the minimum amount of space that \a a is
+  padded to and filled with the character \a fillChar. A positive
+  value produces right-aligned text; a negative value produces
+  left-aligned text.
+
+  The '%' can be followed by an 'L', in which case the sequence is
+  replaced with a localized representation of \a a. The conversion
+  uses the default locale, set by QLocale::setDefault(). If no default
+  locale was specified, the "C" locale is used. The 'L' flag is
+  ignored if \a base is not 10.
+
+  \snippet doc/src/snippets/qstring/main.cpp 12
+  \snippet doc/src/snippets/qstring/main.cpp 14
+
+  If \a fillChar is '0' (the number 0, ASCII 48), the locale's zero is
+  used. For negative numbers, zero padding might appear before the
+  minus sign.
+*/
+
+/*! \fn QString QString::arg(uint a, int fieldWidth, int base, const QChar &fillChar) const
+  \overload arg()
+
+  The \a base argument specifies the base to use when converting the
+  integer \a a into a string. The base must be between 2 and 36.
+
+  If \a fillChar is '0' (the number 0, ASCII 48), the locale's zero is
+  used. For negative numbers, zero padding might appear before the
+  minus sign.
+*/
+
+/*! \fn QString QString::arg(long a, int fieldWidth, int base, const QChar &fillChar) const
+  \overload arg()
+
+  \a fieldWidth specifies the minimum amount of space that \a a is
+  padded to and filled with the character \a fillChar. A positive
+  value produces right-aligned text; a negative value produces
+  left-aligned text.
+
+  The \a a argument is expressed in the given \a base, which is 10 by
+  default and must be between 2 and 36.
+
+  The '%' can be followed by an 'L', in which case the sequence is
+  replaced with a localized representation of \a a. The conversion
+  uses the default locale. The default locale is determined from the
+  system's locale settings at application startup. It can be changed
+  using QLocale::setDefault(). The 'L' flag is ignored if \a base is
+  not 10.
+
+  \snippet doc/src/snippets/qstring/main.cpp 12
+  \snippet doc/src/snippets/qstring/main.cpp 14
+
+  If \a fillChar is '0' (the number 0, ASCII 48), the locale's zero is
+  used. For negative numbers, zero padding might appear before the
+  minus sign.
+*/
+
+/*! \fn QString QString::arg(ulong a, int fieldWidth, int base, const QChar &fillChar) const
+  \overload arg()
+
+  \a fieldWidth specifies the minimum amount of space that \a a is
+  padded to and filled with the character \a fillChar. A positive
+  value produces right-aligned text; a negative value produces
+  left-aligned text.
+
+  The \a base argument specifies the base to use when converting the
+  integer \a a to a string. The base must be between 2 and 36, with 8
+  giving octal, 10 decimal, and 16 hexadecimal numbers.
+
+  If \a fillChar is '0' (the number 0, ASCII 48), the locale's zero is
+  used. For negative numbers, zero padding might appear before the
+  minus sign.
+*/
+
+/*!
+  \overload arg()
+
+  \a fieldWidth specifies the minimum amount of space that \a a is
+  padded to and filled with the character \a fillChar. A positive
+  value produces right-aligned text; a negative value produces
+  left-aligned text.
+
+  The \a base argument specifies the base to use when converting the
+  integer \a a into a string. The base must be between 2 and 36, with
+  8 giving octal, 10 decimal, and 16 hexadecimal numbers.
+
+  If \a fillChar is '0' (the number 0, ASCII 48), the locale's zero is
+  used. For negative numbers, zero padding might appear before the
+  minus sign.
+*/
+QString QString::arg(qlonglong a, int fieldWidth, int base, const QChar &fillChar) const
+{
+    ArgEscapeData d = findArgEscapes(*this);
+
+    if (d.occurrences == 0) {
+        qWarning("QString::arg: Argument missing: %s, %lld", toLocal8Bit().data(), a);
+        return *this;
+    }
+
+    unsigned flags = QLocalePrivate::NoFlags;
+    if (fillChar == QLatin1Char('0'))
+        flags = QLocalePrivate::ZeroPadded;
+
+    QString arg;
+    if (d.occurrences > d.locale_occurrences)
+        arg = QLocale::c().d()->longLongToString(a, -1, base, fieldWidth, flags);
+
+    QString locale_arg;
+    if (d.locale_occurrences > 0) {
+        QLocale locale;
+        locale_arg = locale.d()->longLongToString(a, -1, base, fieldWidth,
+                                                  flags | QLocalePrivate::ThousandsGroup);
+    }
+
+    return replaceArgEscapes(*this, d, fieldWidth, arg, locale_arg, fillChar);
+}
+
+/*!
+  \overload arg()
+
+  \a fieldWidth specifies the minimum amount of space that \a a is
+  padded to and filled with the character \a fillChar. A positive
+  value produces right-aligned text; a negative value produces
+  left-aligned text.
+
+  The \a base argument specifies the base to use when converting the
+  integer \a a into a string. \a base must be between 2 and 36, with 8
+  giving octal, 10 decimal, and 16 hexadecimal numbers.
+
+  If \a fillChar is '0' (the number 0, ASCII 48), the locale's zero is
+  used. For negative numbers, zero padding might appear before the
+  minus sign.
+*/
+QString QString::arg(qulonglong a, int fieldWidth, int base, const QChar &fillChar) const
+{
+    ArgEscapeData d = findArgEscapes(*this);
+
+    if (d.occurrences == 0) {
+        qWarning("QString::arg: Argument missing: %s, %llu", toLocal8Bit().data(), a);
+        return *this;
+    }
+
+    unsigned flags = QLocalePrivate::NoFlags;
+    if (fillChar == QLatin1Char('0'))
+        flags = QLocalePrivate::ZeroPadded;
+
+    QString arg;
+    if (d.occurrences > d.locale_occurrences)
+        arg = QLocale::c().d()->unsLongLongToString(a, -1, base, fieldWidth, flags);
+
+    QString locale_arg;
+    if (d.locale_occurrences > 0) {
+        QLocale locale;
+        locale_arg = locale.d()->unsLongLongToString(a, -1, base, fieldWidth,
+                                                     flags | QLocalePrivate::ThousandsGroup);
+    }
+
+    return replaceArgEscapes(*this, d, fieldWidth, arg, locale_arg, fillChar);
+}
+
+/*!
+  \overload arg()
+
+  \fn QString QString::arg(short a, int fieldWidth, int base, const QChar &fillChar) const
+
+  \a fieldWidth specifies the minimum amount of space that \a a is
+  padded to and filled with the character \a fillChar. A positive
+  value produces right-aligned text; a negative value produces
+  left-aligned text.
+
+  The \a base argument specifies the base to use when converting the
+  integer \a a into a string. The base must be between 2 and 36, with
+  8 giving octal, 10 decimal, and 16 hexadecimal numbers.
+
+  If \a fillChar is '0' (the number 0, ASCII 48), the locale's zero is
+  used. For negative numbers, zero padding might appear before the
+  minus sign.
+*/
+
+/*!
+  \fn QString QString::arg(ushort a, int fieldWidth, int base, const QChar &fillChar) const
+  \overload arg()
+
+  \a fieldWidth specifies the minimum amount of space that \a a is
+  padded to and filled with the character \a fillChar. A positive
+  value produces right-aligned text; a negative value produces
+  left-aligned text.
+
+  The \a base argument specifies the base to use when converting the
+  integer \a a into a string. The base must be between 2 and 36, with
+  8 giving octal, 10 decimal, and 16 hexadecimal numbers.
+
+  If \a fillChar is '0' (the number 0, ASCII 48), the locale's zero is
+  used. For negative numbers, zero padding might appear before the
+  minus sign.
+*/
+
+/*!
+    \overload arg()
+*/
+QString QString::arg(QChar a, int fieldWidth, const QChar &fillChar) const
+{
+    QString c;
+    c += a;
+    return arg(c, fieldWidth, fillChar);
+}
+
+/*!
+  \overload arg()
+
+  The \a a argument is interpreted as a Latin-1 character.
+*/
+QString QString::arg(char a, int fieldWidth, const QChar &fillChar) const
+{
+    QString c;
+    c += QLatin1Char(a);
+    return arg(c, fieldWidth, fillChar);
+}
+
+/*!
+  \fn QString QString::arg(double a, int fieldWidth, char format, int precision, const QChar &fillChar) const
+  \overload arg()
+
+  Argument \a a is formatted according to the specified \a format and
+  \a precision. See \l{Argument Formats} for details.
+
+  \a fieldWidth specifies the minimum amount of space that \a a is
+  padded to and filled with the character \a fillChar.  A positive
+  value produces right-aligned text; a negative value produces
+  left-aligned text.
+
+  \snippet doc/src/snippets/code/src_corelib_tools_qstring.cpp 2
+
+  The '%' can be followed by an 'L', in which case the sequence is
+  replaced with a localized representation of \a a. The conversion
+  uses the default locale, set by QLocale::setDefaultLocale(). If no
+  default locale was specified, the "C" locale is used.
+
+  If \a fillChar is '0' (the number 0, ASCII 48), this function will
+  use the locale's zero to pad. For negative numbers, the zero padding
+  will probably appear before the minus sign.
+
+  \sa QLocale::toString()
+*/
+QString QString::arg(double a, int fieldWidth, char fmt, int prec, const QChar &fillChar) const
+{
+    ArgEscapeData d = findArgEscapes(*this);
+
+    if (d.occurrences == 0) {
+        qWarning("QString::arg: Argument missing: %s, %g", toLocal8Bit().data(), a);
+        return *this;
+    }
+
+    unsigned flags = QLocalePrivate::NoFlags;
+    if (fillChar == QLatin1Char('0'))
+        flags = QLocalePrivate::ZeroPadded;
+
+    if (qIsUpper(fmt))
+        flags |= QLocalePrivate::CapitalEorX;
+    fmt = qToLower(fmt);
+
+    QLocalePrivate::DoubleForm form = QLocalePrivate::DFDecimal;
+    switch (fmt) {
+    case 'f':
+        form = QLocalePrivate::DFDecimal;
+        break;
+    case 'e':
+        form = QLocalePrivate::DFExponent;
+        break;
+    case 'g':
+        form = QLocalePrivate::DFSignificantDigits;
+        break;
+    default:
+#if defined(QT_CHECK_RANGE)
+        qWarning("QString::arg: Invalid format char '%c'", fmt);
+#endif
+        break;
+    }
+
+    QString arg;
+    if (d.occurrences > d.locale_occurrences)
+        arg = QLocale::c().d()->doubleToString(a, prec, form, fieldWidth, flags);
+
+    QString locale_arg;
+    if (d.locale_occurrences > 0) {
+        QLocale locale;
+
+        flags |= QLocalePrivate::ThousandsGroup;
+        locale_arg = locale.d()->doubleToString(a, prec, form, fieldWidth, flags);
+    }
+
+    return replaceArgEscapes(*this, d, fieldWidth, arg, locale_arg, fillChar);
+}
+
+static int getEscape(const QChar *uc, int *pos, int len, int maxNumber = 999)
+{
+    int i = *pos;
+    ++i;
+    if (i < len && uc[i] == QLatin1Char('L'))
+        ++i;
+    if (i < len) {
+        int escape = uc[i].unicode() - '0';
+        if (uint(escape) >= 10U)
+            return -1;
+        ++i;
+        while (i < len) {
+            int digit = uc[i].unicode() - '0';
+            if (uint(digit) >= 10U)
+                break;
+            escape = (escape * 10) + digit;
+            ++i;
+        }
+        if (escape <= maxNumber) {
+            *pos = i;
+            return escape;
+        }
+    }
+    return -1;
+}
+
+QString QString::multiArg(int numArgs, const QString **args) const
+{
+    QString result;
+    QMap<int, int> numbersUsed;
+    const QChar *uc = (const QChar *) d->data;
+    const int len = d->size;
+    const int end = len - 1;
+    int lastNumber = -1;
+    int i = 0;
+
+    // populate the numbersUsed map with the %n's that actually occur in the string
+    while (i < end) {
+        if (uc[i] == QLatin1Char('%')) {
+            int number = getEscape(uc, &i, len);
+            if (number != -1) {
+                numbersUsed.insert(number, -1);
+                continue;
+            }
+        }
+        ++i;
+    }
+
+    // assign an argument number to each of the %n's
+    QMap<int, int>::iterator j = numbersUsed.begin();
+    QMap<int, int>::iterator jend = numbersUsed.end();
+    int arg = 0;
+    while (j != jend && arg < numArgs) {
+        *j = arg++;
+        lastNumber = j.key();
+        ++j;
+    }
+
+    // sanity
+    if (numArgs > arg) {
+        qWarning("QString::arg: %d argument(s) missing in %s", numArgs - arg, toLocal8Bit().data());
+        numArgs = arg;
+    }
+
+    i = 0;
+    while (i < len) {
+        if (uc[i] == QLatin1Char('%') && i != end) {
+            int number = getEscape(uc, &i, len, lastNumber);
+            int arg = numbersUsed[number];
+            if (number != -1 && arg != -1) {
+                result += *args[arg];
+                continue;
+            }
+        }
+        result += uc[i++];
+    }
+    return result;
+}
+
+/*! \internal
+ */
+void QString::updateProperties() const
+{
+    ushort *p = d->data;
+    ushort *end = p + d->size;
+    d->simpletext = true;
+    while (p < end) {
+        ushort uc = *p;
+        // sort out regions of complex text formatting
+        if (uc > 0x058f && (uc < 0x1100 || uc > 0xfb0f)) {
+            d->simpletext = false;
+        }
+        p++;
+    }
+
+    p = d->data;
+    d->righttoleft = false;
+    while (p < end) {
+        switch(QChar::direction(*p))
+        {
+        case QChar::DirL:
+        case QChar::DirLRO:
+        case QChar::DirLRE:
+            goto end;
+        case QChar::DirR:
+        case QChar::DirAL:
+        case QChar::DirRLO:
+        case QChar::DirRLE:
+            d->righttoleft = true;
+            goto end;
+        default:
+            break;
+        }
+        ++p;
+    }
+ end:
+    d->clean = true;
+    return;
+}
+
+/*! \fn bool QString::isSimpleText() const
+
+    \internal
+*/
+
+/*! \fn bool QString::isRightToLeft() const
+
+    \internal
+*/
+
+
+/*! \fn QChar *QString::data()
+
+    Returns a pointer to the data stored in the QString. The pointer
+    can be used to access and modify the characters that compose the
+    string. For convenience, the data is '\\0'-terminated.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp 19
+
+    Note that the pointer remains valid only as long as the string is
+    not modified by other means. For read-only access, constData() is
+    faster because it never causes a \l{deep copy} to occur.
+
+    \sa constData(), operator[]()
+*/
+
+/*! \fn const QChar *QString::data() const
+
+    \overload
+*/
+
+/*! \fn const QChar *QString::constData() const
+
+    Returns a pointer to the data stored in the QString. The pointer
+    can be used to access the characters that compose the string. For
+    convenience, the data is '\\0'-terminated.
+
+    Note that the pointer remains valid only as long as the string is
+    not modified.
+
+    \sa data(), operator[]()
+*/
+
+/*! \fn void QString::push_front(const QString &other)
+
+    This function is provided for STL compatibility, prepending the
+    given \a other string to the beginning of this string. It is
+    equivalent to \c prepend(other).
+
+    \sa prepend()
+*/
+
+/*! \fn void QString::push_front(QChar ch)
+
+    \overload
+
+    Prepends the given \a ch character to the beginning of this string.
+*/
+
+/*! \fn void QString::push_back(const QString &other)
+
+    This function is provided for STL compatibility, appending the
+    given \a other string onto the end of this string. It is
+    equivalent to \c append(other).
+
+    \sa append()
+*/
+
+/*! \fn void QString::push_back(QChar ch)
+
+    \overload
+
+    Appends the given \a ch character onto the end of this string.
+*/
+
+/*! 
+    \fn std::string QString::toStdString() const
+
+    Returns a std::string object with the data contained in this
+    QString. The Unicode data is converted into 8-bit characters using
+    the toAscii() function.
+
+    This operator is mostly useful to pass a QString to a function
+    that accepts a std::string object.
+
+    If the QString contains non-ASCII Unicode characters, using this
+    operator can lead to loss of information, since the implementation
+    calls toAscii().
+
+    This operator is only available if Qt is configured with STL
+    compatibility enabled.
+
+    \sa toAscii(), toLatin1(), toUtf8(), toLocal8Bit()
+*/
+
+/*!
+    Constructs a QString that uses the first \a size Unicode characters
+    in the array \a unicode. The data in \a unicode is \e not
+    copied. The caller must be able to guarantee that \a unicode will
+    not be deleted or modified as long as the QString (or an
+    unmodified copy of it) exists.
+
+    Any attempts to modify the QString or copies of it will cause it
+    to create a deep copy of the data, ensuring that the raw data
+    isn't modified.
+
+    Here's an example of how we can use a QRegExp on raw data in
+    memory without requiring to copy the data into a QString:
+
+    \snippet doc/src/snippets/qstring/main.cpp 22
+    \snippet doc/src/snippets/qstring/main.cpp 23
+
+    \warning A string created with fromRawData() is \e not
+    '\\0'-terminated, unless the raw data contains a '\\0' character
+    at position \a size. This means unicode() will \e not return a
+    '\\0'-terminated string (although utf16() does, at the cost of
+    copying the raw data).
+
+    \sa fromUtf16()
+*/
+QString QString::fromRawData(const QChar *unicode, int size)
+{
+    Data *x = static_cast<Data *>(qMalloc(sizeof(Data)));
+    if (unicode) {
+        x->data = (ushort *)unicode;
+    } else {
+        x->data = x->array;
+        size = 0;
+    }
+    x->ref = 1;
+    x->alloc = x->size = size;
+    *x->array = '\0';
+    x->clean = x->asciiCache = x->simpletext = x->righttoleft = x->capacity = 0;
+    return QString(x, 0);
+}
+
+/*! \class QLatin1String
+    \brief The QLatin1String class provides a thin wrapper around an ASCII/Latin-1 encoded string literal.
+
+    \ingroup text
+    \reentrant
+
+    Many of QString's member functions are overloaded to accept
+    \c{const char *} instead of QString. This includes the copy
+    constructor, the assignment operator, the comparison operators,
+    and various other functions such as \link QString::insert()
+    insert() \endlink, \link QString::replace() replace()\endlink,
+    and \link QString::indexOf() indexOf()\endlink. These functions
+    are usually optimized to avoid constructing a QString object for
+    the \c{const char *} data. For example, assuming \c str is a
+    QString,
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qstring.cpp 3
+
+    is much faster than
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qstring.cpp 4
+
+    because it doesn't construct four temporary QString objects and
+    make a deep copy of the character data.
+
+    Applications that define \c QT_NO_CAST_FROM_ASCII (as explained
+    in the QString documentation) don't have access to QString's
+    \c{const char *} API. To provide an efficient way of specifying
+    constant Latin-1 strings, Qt provides the QLatin1String, which is
+    just a very thin wrapper around a \c{const char *}. Using
+    QLatin1String, the example code above becomes
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qstring.cpp 5
+
+    This is a bit longer to type, but it provides exactly the same
+    benefits as the first version of the code, and is faster than
+    converting the Latin-1 strings using QString::fromLatin1().
+
+    Thanks to the QString(const QLatin1String &) constructor,
+    QLatin1String can be used everywhere a QString is expected. For
+    example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qstring.cpp 6
+
+    \sa QString, QLatin1Char
+*/
+
+/*! \fn QLatin1String::QLatin1String(const char *str)
+
+    Constructs a QLatin1String object that stores \a str. Note that if
+    \a str is 0, an empty string is created; this case is handled by
+    QString.
+
+    The string data is \e not copied. The caller must be able to
+    guarantee that \a str will not be deleted or modified as long as
+    the QLatin1String object exists.
+
+    \sa latin1()
+*/
+
+/*!
+    \since 4.1
+    \fn QLatin1String &QLatin1String::operator=(const QLatin1String &other)
+
+    Constructs a copy of \a other.
+*/
+
+/*! \fn const char *QLatin1String::latin1() const
+
+    Returns the Latin-1 string stored in this object.
+*/
+
+/*! \fn bool QLatin1String::operator==(const QString &other) const
+
+    Returns true if this string is equal to string \a other;
+    otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    QString::localeAwareCompare().
+*/
+
+/*!
+    \fn bool QLatin1String::operator==(const char *other) const
+    \since 4.3
+    \overload
+
+    The \a other const char pointer is converted to a QLatin1String using
+    the QString::fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QLatin1String::operator!=(const QString &other) const
+
+    Returns true if this string is not equal to string \a other;
+    otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    QString::localeAwareCompare().
+*/
+
+/*!
+    \fn bool QLatin1String::operator!=(const char *other) const
+    \since 4.3
+    \overload operator!=()
+
+    The \a other const char pointer is converted to a QLatin1String using
+    the QString::fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*!
+    \fn bool QLatin1String::operator>(const QString &other) const
+
+    Returns true if this string is lexically greater than string \a
+    other; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    QString::localeAwareCompare().
+*/
+
+/*!
+    \fn bool QLatin1String::operator>(const char *other) const
+    \since 4.3
+    \overload
+
+    The \a other const char pointer is converted to a QLatin1String using
+    the QString::fromAscii() function.
+
+    You can disable this operator by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*!
+    \fn bool QLatin1String::operator<(const QString &other) const
+
+    Returns true if this string is lexically less than the \a other
+    string; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+*/
+
+/*!
+    \fn bool QLatin1String::operator<(const char *other) const
+    \since 4.3
+    \overload
+
+    The \a other const char pointer is converted to a QLatin1String using
+    the QString::fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*!
+    \fn bool QLatin1String::operator>=(const QString &other) const
+
+    Returns true if this string is lexically greater than or equal
+    to string \a other; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    QString::localeAwareCompare().
+*/
+
+/*!
+    \fn bool QLatin1String::operator>=(const char *other) const
+    \since 4.3
+    \overload
+
+    The \a other const char pointer is converted to a QLatin1String using
+    the QString::fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*! \fn bool QLatin1String::operator<=(const QString &other) const
+
+    Returns true if this string is lexically less than or equal
+    to string \a other; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings with
+    QString::localeAwareCompare().
+*/
+
+/*!
+    \fn bool QLatin1String::operator<=(const char *other) const
+    \since 4.3
+    \overload
+
+    The \a other const char pointer is converted to a QString using
+    the QString::fromAscii() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+
+
+/* \fn bool operator==(const QLatin1String &s1, const QLatin1String &s2)
+   \relates QLatin1String
+
+   Returns true if string \a s1 is lexically equal to string \a s2; otherwise
+   returns false.
+*/
+/* \fn bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
+   \relates QLatin1String
+
+   Returns true if string \a s1 is lexically unequal to string \a s2; otherwise
+   returns false.
+*/
+/* \fn bool operator<(const QLatin1String &s1, const QLatin1String &s2)
+   \relates QLatin1String
+
+   Returns true if string \a s1 is lexically smaller than string \a s2; otherwise
+   returns false.
+*/
+/* \fn bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
+   \relates QLatin1String
+
+   Returns true if string \a s1 is lexically smaller than or equal to string \a s2; otherwise
+   returns false.
+*/
+/* \fn bool operator>(const QLatin1String &s1, const QLatin1String &s2)
+   \relates QLatin1String
+
+   Returns true if string \a s1 is lexically greater than string \a s2; otherwise
+   returns false.
+*/
+/* \fn bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
+   \relates QLatin1String
+
+   Returns true if string \a s1 is lexically greater than or equal to
+   string \a s2; otherwise returns false.
+*/
+
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    \fn QDataStream &operator<<(QDataStream &stream, const QString &string)
+    \relates QString
+
+    Writes the given \a string to the specified \a stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator<<(QDataStream &out, const QString &str)
+{
+    if (out.version() == 1) {
+        out << str.toLatin1();
+    } else {
+        if (!str.isNull() || out.version() < 3) {
+            int byteOrder = out.byteOrder();
+            const QChar* ub = str.unicode();
+            static const uint auto_size = 1024;
+            char t[auto_size];
+            char *b;
+            if (str.length()*sizeof(QChar) > auto_size) {
+                b = new char[str.length()*sizeof(QChar)];
+            } else {
+                b = t;
+            }
+            int l = str.length();
+            char *c=b;
+            while (l--) {
+                if (byteOrder == QDataStream::BigEndian) {
+                    *c++ = (char)ub->row();
+                    *c++ = (char)ub->cell();
+                } else {
+                    *c++ = (char)ub->cell();
+                    *c++ = (char)ub->row();
+                }
+                ub++;
+            }
+            out.writeBytes(b, sizeof(QChar)*str.length());
+            if (str.length()*sizeof(QChar) > auto_size)
+                delete [] b;
+        } else {
+            // write null marker
+            out << (quint32)0xffffffff;
+        }
+    }
+    return out;
+}
+
+/*!
+    \fn QDataStream &operator>>(QDataStream &stream, QString &string)
+    \relates QString
+
+    Reads a string from the specified \a stream into the given \a string.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+QDataStream &operator>>(QDataStream &in, QString &str)
+{
+#ifdef QT_QSTRING_UCS_4
+#if defined(Q_CC_GNU)
+#warning "operator>> not working properly"
+#endif
+#endif
+
+    if (in.version() == 1) {
+        QByteArray l;
+        in >> l;
+        str = QString::fromLatin1(l);
+    } else {
+        quint32 bytes = 0;
+        in >> bytes;                                  // read size of string
+        if (bytes == 0xffffffff) {                    // null string
+            str.clear();
+        } else if (bytes > 0) {                       // not empty
+            if (bytes & 0x1) {
+                str.clear();
+                in.setStatus(QDataStream::ReadCorruptData);
+                return in;
+            }
+
+            const quint32 Step = 1024 * 1024;
+            quint32 len = bytes / 2;
+            quint32 allocated = 0;
+
+            while (allocated < len) {
+                int blockSize = qMin(Step, len - allocated);
+                str.resize(allocated + blockSize);
+                if (in.readRawData(reinterpret_cast<char *>(str.data()) + allocated * 2,
+                                   blockSize * 2) != blockSize * 2) {
+                    str.clear();
+                    in.setStatus(QDataStream::ReadPastEnd);
+                    return in;
+                }
+                allocated += blockSize;
+            }
+
+            if ((in.byteOrder() == QDataStream::BigEndian)
+                    != (QSysInfo::ByteOrder == QSysInfo::BigEndian)) {
+                ushort *data = reinterpret_cast<ushort *>(str.data());
+                while (len--) {
+                    *data = (*data >> 8) | (*data << 8);
+                    ++data;
+                }
+            }
+        } else {
+            str = QLatin1String("");
+        }
+    }
+    return in;
+}
+#endif // QT_NO_DATASTREAM
+
+/*!
+    \fn void QString::setLength(int nl)
+
+    Use resize() instead.
+*/
+
+/*!
+    \fn QString QString::copy() const
+
+    Use simple assignment instead. QString is implicitly shared so if
+    a copy is modified only the copy is changed.
+*/
+
+/*!
+    \fn QString &QString::remove(QChar c, bool cs)
+
+    Use the remove(QChar, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn QString &QString::remove(const QString  &s, bool cs)
+
+    Use the remove(QString, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn QString &QString::replace(QChar c, const QString  &after, bool cs)
+
+    Use the replace(QChar, QString, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn QString &QString::replace(const QString &before, const QString &after, bool cs)
+
+    Use the replace(QString, QString, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn QString &QString::replace(char c, const QString &after, bool cs)
+
+    Use the replace(QChar, QString, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn QString &QString::replace(char c, const QString &after, Qt::CaseSensitivity cs)
+
+    Use the replace(QChar, QString, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn int QString::find(QChar c, int i = 0, bool cs = true) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn int QString::find(const QString &s, int i = 0, bool cs = true) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn int QString::findRev(QChar c, int i = -1, bool cs = true) const
+
+    Use lastIndexOf() instead.
+*/
+
+/*!
+    \fn int QString::findRev(const QString &s, int i = -1, bool cs = true) const
+
+    Use lastIndexOf() instead.
+*/
+
+/*!
+    \fn int QString::find(const QRegExp &rx, int i=0) const
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn int QString::find(QRegExp &rx, int i=0) const
+    \internal
+    \since 4.5
+
+    Use indexOf() instead.
+*/
+
+/*!
+    \fn int QString::findRev(const QRegExp &rx, int i=-1) const
+
+    Use lastIndexOf() instead.
+*/
+
+/*!
+    \fn int QString::findRev(QRegExp &rx, int i=0) const
+    \internal
+    \since 4.5
+
+    Use lastIndexOf() instead.
+*/
+
+/*!
+    \fn QBool QString::contains(QChar c, bool cs) const
+
+    Use the contains(QChar, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn QBool QString::contains(const QString &s, bool cs) const
+
+    Use the contains(QString, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn bool QString::startsWith(const QString &s, bool cs) const
+
+    Use the startsWith(QString, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn bool QString::endsWith(const QString &s, bool cs) const
+
+    Use the endsWith(QString, Qt::CaseSensitive) overload instead.
+*/
+
+/*!
+    \fn QString QString::leftJustify(int width, QChar fill = QLatin1Char(' '), bool trunc=false) const
+
+    Use leftJustified() instead.
+*/
+
+/*!
+    \fn QString QString::rightJustify(int width, QChar fill = QLatin1Char(' '), bool trunc=false) const
+
+    Use rightJustified() instead.
+*/
+
+/*!
+    \fn QString QString::lower() const
+
+    Use toLower() instead.
+*/
+
+/*!
+    \fn QString QString::upper() const
+
+    Use toUpper() instead.
+*/
+
+/*!
+    \fn QString QString::stripWhiteSpace() const
+
+    Use trimmed() instead.
+*/
+
+/*!
+    \fn QString QString::simplifyWhiteSpace() const
+
+    Use simplified() instead.
+*/
+
+/*!
+    \fn QString &QString::setUnicodeCodes(const ushort *unicode_as_ushorts, int size)
+
+    Use setUtf16() instead.
+*/
+
+/*!
+    \fn ushort *QString::ucs2() const
+
+    Use utf16() instead.
+*/
+
+/*!
+    \fn QString QString::fromUcs2(const ushort *unicode, int size = -1)
+
+    Use fromUtf16() instead.
+*/
+
+/*!
+    \fn QString &QString::setAscii(const char *str, int len = -1)
+
+    Use fromAscii() instead.
+*/
+
+/*!
+    \fn QString &QString::setLatin1(const char *str, int len = -1)
+
+    Use fromLatin1() instead.
+*/
+
+/*!
+    \fn QChar QString::constref(uint i) const
+
+    Use at() instead.
+*/
+
+/*!
+    \fn QChar &QString::ref(uint i);
+
+    Use operator[]() instead.
+*/
+
+/*!
+    \fn QString::operator const char *() const
+
+    Use toAscii().constData() instead.
+*/
+
+/*!
+    \class QConstString
+    \brief The QConstString class is a wrapper for constant Unicode string data.
+    \compat
+
+    In Qt 4, QConstString is replaced by QString::fromRawData(), a
+    static function that constructs a QString object based on Unicode
+    string data.
+
+    Because QString::fromRawData() has slightly more stringent
+    constraints than QConstString had in Qt 3, the new QConstString
+    class takes a deep copy of the string data.
+
+    \sa QString::fromRawData()
+*/
+
+/*!
+    \fn QConstString::QConstString(const QChar *unicode, int size)
+
+    Use QString(\a unicode, \a size) or
+    QString::fromRawData(\a unicode, \a size) instead.
+*/
+
+/*!
+    \fn const QString &QConstString::string() const
+
+    Returns \c *this. Not necessary in Qt 4.
+*/
+
+
+
+/*!
+    \class QStringRef
+    \since 4.3
+    \brief The QStringRef class provides a thin wrapper around QString substrings.
+    \reentrant
+    \ingroup tools
+    \ingroup text
+
+    QStringRef provides a read-only subset of the QString API.
+
+    A string reference explicitly references a portion of a string()
+    with a given size(), starting at a specific position(). Calling
+    toString() returns a copy of the data as a real QString instance.
+
+    This class is designed to improve the performance of substring
+    handling when manipulating substrings obtained from existing QString
+    instances. QStringRef avoids the memory allocation and reference
+    counting overhead of a standard QString by simply referencing a
+    part of the original string. This can prove to be advantageous in
+    low level code, such as that used in a parser, at the expense of
+    potentially more complex code.
+
+    For most users, there are no semantic benefits to using QStringRef
+    instead of QString since QStringRef requires attention to be paid
+    to memory management issues, potentially making code more complex
+    to write and maintain.
+
+    \warning A QStringRef is only valid as long as the referenced
+    string exists. If the original string is deleted, the string
+    reference points to an invalid memory location.
+
+    We suggest that you only use this class in stable code where profiling
+    has clearly identified that performance improvements can be made by
+    replacing standard string operations with the optimized substring
+    handling provided by this class.
+
+    \sa {Implicitly Shared Classes}
+*/
+
+
+/*!
+ \fn QStringRef::QStringRef()
+
+ Constructs an empty string reference.
+*/
+
+/*! \fn QStringRef::QStringRef(const QString *string, int position, int length)
+
+Constructs a string reference to the range of characters in the given
+\a string specified by the starting \a position and \a length in characters.
+
+\warning This function exists to improve performance as much as possible,
+and performs no bounds checking. For program correctness, \a position and
+\a length must describe a valid substring of \a string.
+
+This means that the starting \a position must be positive or 0 and smaller
+than \a string's length, and \a length must be positive or 0 but smaller than
+the string's length minus the starting \a position;
+i.e, 0 <= position < string->length() and
+0 <= length <= string->length() - position must both be satisfied.
+*/
+
+/*! \fn QStringRef::QStringRef(const QString *string)
+
+Constructs a string reference to the given \a string.
+*/
+
+/*! \fn QStringRef::QStringRef(const QStringRef &other)
+
+Constructs a copy of the \a other string reference.
+ */
+/*!
+\fn QStringRef::~QStringRef()
+
+Destroys the string reference.
+
+Since this class is only used to refer to string data, and does not take
+ownership of it, no memory is freed when instances are destroyed.
+*/
+
+
+/*!
+    \fn int QStringRef::position() const
+
+    Returns the starting position in the referenced string that is referred to
+    by the string reference.
+
+    \sa size(), string()
+*/
+
+/*!
+    \fn int QStringRef::size() const
+
+    Returns the number of characters referred to by the string reference.
+    Equivalent to length() and count().
+
+    \sa position(), string()
+*/
+/*!
+    \fn int QStringRef::count() const
+    Returns the number of characters referred to by the string reference.
+    Equivalent to size() and length().
+
+    \sa position(), string()
+*/
+/*!
+    \fn int QStringRef::length() const
+    Returns the number of characters referred to by the string reference.
+    Equivalent to size() and count().
+
+    \sa position(), string()
+*/
+
+
+/*!
+    \fn bool QStringRef::isEmpty() const
+
+    Returns true if the string reference has no characters; otherwise returns
+    false.
+
+    A string reference is empty if its size is zero.
+
+    \sa size()
+*/
+
+/*!
+    \fn bool QStringRef::isNull() const
+
+    Returns true if string() returns a null pointer or a pointer to a
+    null string; otherwise returns true.
+
+    \sa size()
+*/
+
+/*!
+    \fn const QString *QStringRef::string() const
+
+    Returns a pointer to the string referred to by the string reference, or
+    0 if it does not reference a string.
+
+    \sa unicode()
+*/
+
+
+/*!
+    \fn const QChar *QStringRef::unicode() const
+
+    Returns a Unicode representation of the string reference. Since
+    the data stems directly from the referenced string, it is not
+    null-terminated unless the string reference includes the string's
+    null terminator.
+
+    \sa string()
+*/
+
+/*!
+    \fn const QChar *QStringRef::data() const
+
+    Same as unicode().
+*/
+
+/*!
+    \fn const QChar *QStringRef::constData() const
+
+    Same as unicode().
+*/
+
+/*!
+    Returns a copy of the string reference as a QString object.
+
+    If the string reference is not a complete reference of the string
+    (meaning that position() is 0 and size() equals string()->size()),
+    this function will allocate a new string to return.
+
+    \sa string()
+*/
+
+QString QStringRef::toString() const {
+    if (!m_string)
+        return QString();
+    if (m_size && m_position == 0 && m_size == m_string->size())
+        return *m_string;
+    return QString::fromUtf16(reinterpret_cast<const ushort*>(m_string->unicode() + m_position), m_size);
+}
+
+
+/*! \relates QStringRef
+
+   Returns true if string reference \a s1 is lexically equal to string reference \a s2; otherwise
+   returns false.
+*/
+bool operator==(const QStringRef &s1,const QStringRef &s2)
+{ return (s1.size() == s2.size() &&
+          (memcmp((char*)s1.unicode(), (char*)s2.unicode(), s1.size()*sizeof(QChar))==0)); }
+
+/*! \relates QStringRef
+
+   Returns true if string \a s1 is lexically equal to string reference \a s2; otherwise
+   returns false.
+*/
+bool operator==(const QString &s1,const QStringRef &s2)
+{ return (s1.size() == s2.size() &&
+          (memcmp((char*)s1.unicode(), (char*)s2.unicode(), s1.size()*sizeof(QChar))==0)); }
+
+/*! \relates QStringRef
+
+   Returns true if string  \a s1 is lexically equal to string reference \a s2; otherwise
+   returns false.
+*/
+bool operator==(const QLatin1String &s1, const QStringRef &s2)
+{
+    const ushort *uc = reinterpret_cast<const ushort *>(s2.unicode());
+    const ushort *e = uc + s2.size();
+    const uchar *c = reinterpret_cast<const uchar *>(s1.latin1());
+    if (!c)
+        return s2.isEmpty();
+
+    while (*c) {
+        if (uc == e || *uc != *c)
+            return false;
+        ++uc;
+        ++c;
+    }
+    return (uc == e);
+}
+
+/*!
+   \relates QStringRef
+
+    Returns true if string reference \a s1 is lexically less than
+    string reference \a s2; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+*/
+bool operator<(const QStringRef &s1,const QStringRef &s2)
+{
+    return ucstrcmp(s1.constData(), s1.length(), s2.constData(), s2.length()) < 0;
+}
+
+/*!\fn bool operator<=(const QStringRef &s1,const QStringRef &s2)
+
+   \relates QStringRef
+
+    Returns true if string reference \a s1 is lexically less than
+    or equal to string reference \a s2; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+*/
+
+/*!\fn bool operator>=(const QStringRef &s1,const QStringRef &s2)
+
+   \relates QStringRef
+
+    Returns true if string reference \a s1 is lexically greater than
+    or equal to string reference \a s2; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+*/
+
+/*!\fn bool operator>(const QStringRef &s1,const QStringRef &s2)
+
+   \relates QStringRef
+
+    Returns true if string reference \a s1 is lexically greater than
+    string reference \a s2; otherwise returns false.
+
+    The comparison is based exclusively on the numeric Unicode values
+    of the characters and is very fast, but is not what a human would
+    expect. Consider sorting user-interface strings using the
+    QString::localeAwareCompare() function.
+*/
+
+
+/*!
+    \fn const QChar QStringRef::at(int position) const
+
+    Returns the character at the given index \a position in the
+    string reference.
+
+    The \a position must be a valid index position in the string
+    (i.e., 0 <= \a position < size()).
+*/
+
+/*!
+    \fn void QStringRef::clear()
+
+    Clears the contents of the string reference by making it null and empty.
+
+    \sa isEmpty(), isNull()
+*/
+
+/*!
+    \fn QStringRef &QStringRef::operator=(const QStringRef &other)
+
+    Assigns the \a other string reference to this string reference, and
+    returns the result.
+*/
+
+/*!
+    \fn QStringRef &QStringRef::operator=(const QString *string)
+
+    Constructs a string reference to the given \a string and assigns it to
+    this string reference, returning the result.
+*/
+
+/*!
+    \typedef QString::DataPtr
+    \internal
+*/
+
+/*!
+    \fn DataPtr & QString::data_ptr()
+    \internal
+*/
+
+
+
+/*!  Appends the string reference to \a string, and returns a new
+reference to the combined string data.
+ */
+QStringRef QStringRef::appendTo(QString *string) const
+{
+    if (!string)
+        return QStringRef();
+    int pos = string->size();
+    string->insert(pos, unicode(), size());
+    return QStringRef(string, pos, size());
+}
+
+/*!
+    \fn int QStringRef::compare(const QStringRef &s1, const QString &s2, Qt::CaseSensitivity cs = Qt::CaseSensitive)
+    \since 4.5
+
+    Compares the string \a s1 with the string \a s2 and returns an
+    integer less than, equal to, or greater than zero if \a s1
+    is less than, equal to, or greater than \a s2.
+
+    If \a cs is Qt::CaseSensitive, the comparison is case sensitive;
+    otherwise the comparison is case insensitive.
+*/
+
+/*!
+    \fn int QStringRef::compare(const QStringRef &s1, const QStringRef &s2, Qt::CaseSensitivity cs = Qt::CaseSensitive)
+    \since 4.5
+    \overload
+
+    Compares the string \a s1 with the string \a s2 and returns an
+    integer less than, equal to, or greater than zero if \a s1
+    is less than, equal to, or greater than \a s2.
+
+    If \a cs is Qt::CaseSensitive, the comparison is case sensitive;
+    otherwise the comparison is case insensitive.
+*/
+
+/*!
+    \fn int QStringRef::compare(const QStringRef &s1, QLatin1String s2, Qt::CaseSensitivity cs = Qt::CaseSensitive)
+    \since 4.5
+    \overload
+
+    Compares the string \a s1 with the string \a s2 and returns an
+    integer less than, equal to, or greater than zero if \a s1
+    is less than, equal to, or greater than \a s2.
+
+    If \a cs is Qt::CaseSensitive, the comparison is case sensitive;
+    otherwise the comparison is case insensitive.
+*/
+
+/*!
+    \overload
+    \fn int QStringRef::compare(const QString &other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
+    \since 4.5
+
+    Compares this string with the \a other string and returns an
+    integer less than, equal to, or greater than zero if this string
+    is less than, equal to, or greater than the \a other string.
+
+    If \a cs is Qt::CaseSensitive, the comparison is case sensitive;
+    otherwise the comparison is case insensitive.
+
+    Equivalent to \c {compare(*this, other, cs)}.
+
+    \sa QString::compare()
+*/
+
+/*!
+    \overload
+    \fn int QStringRef::compare(const QStringRef &other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
+    \since 4.5
+
+    Compares this string with the \a other string and returns an
+    integer less than, equal to, or greater than zero if this string
+    is less than, equal to, or greater than the \a other string.
+
+    If \a cs is Qt::CaseSensitive, the comparison is case sensitive;
+    otherwise the comparison is case insensitive.
+
+    Equivalent to \c {compare(*this, other, cs)}.
+
+    \sa QString::compare()
+*/
+
+/*!
+    \overload
+    \fn int QStringRef::compare(QLatin1String other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
+    \since 4.5
+
+    Compares this string with the \a other string and returns an
+    integer less than, equal to, or greater than zero if this string
+    is less than, equal to, or greater than the \a other string.
+
+    If \a cs is Qt::CaseSensitive, the comparison is case sensitive;
+    otherwise the comparison is case insensitive.
+
+    Equivalent to \c {compare(*this, other, cs)}.
+
+    \sa QString::compare()
+*/
+
+/*!
+    \fn int QStringRef::localeAwareCompare(const QStringRef &s1, const QString & s2)
+    \since 4.5
+
+    Compares \a s1 with \a s2 and returns an integer less than, equal
+    to, or greater than zero if \a s1 is less than, equal to, or
+    greater than \a s2.
+
+    The comparison is performed in a locale- and also
+    platform-dependent manner. Use this function to present sorted
+    lists of strings to the user.
+
+    On Mac OS X, this function compares according the
+    "Order for sorted lists" setting in the International prefereces panel.
+
+    \sa compare(), QTextCodec::locale()
+*/
+
+/*!
+    \fn int QStringRef::localeAwareCompare(const QStringRef &s1, const QStringRef & s2)
+    \since 4.5
+    \overload
+
+    Compares \a s1 with \a s2 and returns an integer less than, equal
+    to, or greater than zero if \a s1 is less than, equal to, or
+    greater than \a s2.
+
+    The comparison is performed in a locale- and also
+    platform-dependent manner. Use this function to present sorted
+    lists of strings to the user.
+
+*/
+
+/*!
+    \fn int QStringRef::localeAwareCompare(const QString &other) const
+    \since 4.5
+    \overload
+
+    Compares this string with the \a other string and returns an
+    integer less than, equal to, or greater than zero if this string
+    is less than, equal to, or greater than the \a other string.
+
+    The comparison is performed in a locale- and also
+    platform-dependent manner. Use this function to present sorted
+    lists of strings to the user.
+*/
+
+/*!
+    \fn int QStringRef::localeAwareCompare(const QStringRef &other) const
+    \since 4.5
+    \overload
+
+    Compares this string with the \a other string and returns an
+    integer less than, equal to, or greater than zero if this string
+    is less than, equal to, or greater than the \a other string.
+
+    The comparison is performed in a locale- and also
+    platform-dependent manner. Use this function to present sorted
+    lists of strings to the user.
+*/
+
+/*!
+    \fn QString &QString::append(const QStringRef &reference)
+    \since 4.4
+
+    Appends the given string \a reference to this string and returns the result.
+ */
+QString &QString::append(const QStringRef &str)
+{
+    if (str.string() == this) {
+        str.appendTo(this);
+    } else if (str.string()) {
+        int oldSize = size();
+        resize(oldSize + str.size());
+        memcpy(data() + oldSize, str.unicode(), str.size() * sizeof(QChar));
+    }
+    return *this;
+}
+
+/*!
+    \since 4.4
+
+    Returns a substring reference to the \a n leftmost characters
+    of the string.
+
+    If \a n is greater than size() or less than zero, a reference to the entire
+    string is returned.
+
+    \snippet doc/src/snippets/qstring/main.cpp leftRef
+
+    \sa left(), rightRef(), midRef(), startsWith()
+*/
+QStringRef QString::leftRef(int n)  const
+{
+    if (n >= d->size || n < 0)
+        n = d->size;
+    return QStringRef(this, 0, n);
+}
+
+/*!
+    \since 4.4
+
+    Returns a substring reference to the \a n rightmost characters
+    of the string.
+
+    If \a n is greater than size() or less than zero, a reference to the entire
+    string is returned.
+
+    \snippet doc/src/snippets/qstring/main.cpp rightRef
+
+    \sa right(), leftRef(), midRef(), endsWith()
+*/
+QStringRef QString::rightRef(int n) const
+{
+    if (n >= d->size || n < 0)
+        n = d->size;
+    return QStringRef(this, d->size - n, n);
+}
+
+/*!
+    \since 4.4
+
+    Returns a substring reference to \a n characters of this string,
+    starting at the specified \a position.
+
+    If the \a position exceeds the length of the string, an empty
+    reference is returned.
+
+    If there are less than \a n characters available in the string,
+    starting at the given \a position, or if \a n is -1 (default), the
+    function returns all characters from the specified \a position
+    onwards.
+
+    Example:
+
+    \snippet doc/src/snippets/qstring/main.cpp midRef
+
+    \sa mid(), leftRef(), rightRef()
+*/
+
+QStringRef QString::midRef(int position, int n) const
+{
+    if (d == &shared_null || position >= d->size)
+        return QStringRef();
+    if (n < 0)
+        n = d->size - position;
+    if (position < 0) {
+        n += position;
+        position = 0;
+    }
+    if (n + position > d->size)
+        n = d->size - position;
+    return QStringRef(this, position, n);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h
new file mode 100644
index 0000000000..1493dcefd2
--- /dev/null
+++ b/src/corelib/tools/qstring.h
@@ -0,0 +1,1234 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSTRING_H
+#define QSTRING_H
+
+#include <QtCore/qchar.h>
+#include <QtCore/qbytearray.h>
+#include <QtCore/qatomic.h>
+#include <QtCore/qnamespace.h>
+#ifdef QT_INCLUDE_COMPAT
+#include <Qt3Support/q3cstring.h>
+#endif
+
+#ifndef QT_NO_STL
+#  if defined (Q_CC_MSVC_NET) && _MSC_VER < 1310 // Avoids nasty warning for xlocale, line 450
+#    pragma warning (push)
+#    pragma warning (disable : 4189)
+#    include <string>
+#    pragma warning (pop)
+#  else
+#    include <string>
+#  endif
+
+#  ifndef QT_NO_STL_WCHAR
+// workaround for some headers not typedef'ing std::wstring
+typedef std::basic_string<wchar_t> QStdWString;
+#  endif // QT_NO_STL_WCHAR
+
+#endif // QT_NO_STL
+
+#include <stdarg.h>
+
+#ifdef truncate
+#error qstring.h must be included before any header file that defines truncate
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QCharRef;
+class QRegExp;
+class QStringList;
+class QTextCodec;
+class QLatin1String;
+class QStringRef;
+template <typename T> class QVector;
+
+class Q_CORE_EXPORT QString
+{
+public:
+    inline QString();
+    QString(const QChar *unicode, int size);
+    QString(QChar c);
+    QString(int size, QChar c);
+    inline QString(const QLatin1String &latin1);
+    inline QString(const QString &);
+    inline ~QString();
+    QString &operator=(QChar c);
+    QString &operator=(const QString &);
+    inline QString &operator=(const QLatin1String &);
+
+    inline int size() const { return d->size; }
+    inline int count() const { return d->size; }
+    inline int length() const;
+    inline bool isEmpty() const;
+    void resize(int size);
+
+    QString &fill(QChar c, int size = -1);
+    void truncate(int pos);
+    void chop(int n);
+
+    int capacity() const;
+    inline void reserve(int size);
+    inline void squeeze() { if (d->size < d->alloc) realloc(); d->capacity = 0;}
+
+    inline const QChar *unicode() const;
+    inline QChar *data();
+    inline const QChar *data() const;
+    inline const QChar *constData() const;
+
+    inline void detach();
+    inline bool isDetached() const;
+    void clear();
+
+    inline const QChar at(int i) const;
+    const QChar operator[](int i) const;
+    QCharRef operator[](int i);
+    const QChar operator[](uint i) const;
+    QCharRef operator[](uint i);
+
+    QString arg(qlonglong a, int fieldwidth=0, int base=10,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(qulonglong a, int fieldwidth=0, int base=10,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(long a, int fieldwidth=0, int base=10,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(ulong a, int fieldwidth=0, int base=10,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(int a, int fieldWidth = 0, int base = 10,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(uint a, int fieldWidth = 0, int base = 10,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(short a, int fieldWidth = 0, int base = 10,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(ushort a, int fieldWidth = 0, int base = 10,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(double a, int fieldWidth = 0, char fmt = 'g', int prec = -1,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(char a, int fieldWidth = 0,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(QChar a, int fieldWidth = 0,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a, int fieldWidth = 0,
+                const QChar &fillChar = QLatin1Char(' ')) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a1, const QString &a2) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a1, const QString &a2, const QString &a3) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a1, const QString &a2, const QString &a3,
+                const QString &a4) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a1, const QString &a2, const QString &a3,
+                const QString &a4, const QString &a5) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a1, const QString &a2, const QString &a3,
+                const QString &a4, const QString &a5, const QString &a6) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a1, const QString &a2, const QString &a3,
+                const QString &a4, const QString &a5, const QString &a6,
+                const QString &a7) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a1, const QString &a2, const QString &a3,
+                const QString &a4, const QString &a5, const QString &a6,
+                const QString &a7, const QString &a8) const Q_REQUIRED_RESULT;
+    QString arg(const QString &a1, const QString &a2, const QString &a3,
+                const QString &a4, const QString &a5, const QString &a6,
+                const QString &a7, const QString &a8, const QString &a9) const Q_REQUIRED_RESULT;
+
+    QString    &vsprintf(const char *format, va_list ap)
+#if defined(Q_CC_GNU) && !defined(__INSURE__)
+        __attribute__ ((format (printf, 2, 0)))
+#endif
+        ;
+    QString    &sprintf(const char *format, ...)
+#if defined(Q_CC_GNU) && !defined(__INSURE__)
+        __attribute__ ((format (printf, 2, 3)))
+#endif
+        ;
+
+    int indexOf(QChar c, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int indexOf(const QString &s, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int indexOf(const QLatin1String &s, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int lastIndexOf(QChar c, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int lastIndexOf(const QString &s, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int lastIndexOf(const QLatin1String &s, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+
+    inline QBool contains(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    inline QBool contains(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int count(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int count(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+
+#ifndef QT_NO_REGEXP
+    int indexOf(const QRegExp &, int from = 0) const;
+    int lastIndexOf(const QRegExp &, int from = -1) const;
+    inline QBool contains(const QRegExp &rx) const { return QBool(indexOf(rx) != -1); }
+    int count(const QRegExp &) const;
+
+    int indexOf(QRegExp &, int from = 0) const;
+    int lastIndexOf(QRegExp &, int from = -1) const;
+    inline QBool contains(QRegExp &rx) const { return QBool(indexOf(rx) != -1); }
+#endif
+
+    enum SectionFlag {
+        SectionDefault             = 0x00,
+        SectionSkipEmpty           = 0x01,
+        SectionIncludeLeadingSep   = 0x02,
+        SectionIncludeTrailingSep  = 0x04,
+        SectionCaseInsensitiveSeps = 0x08
+    };
+    Q_DECLARE_FLAGS(SectionFlags, SectionFlag)
+
+    QString section(QChar sep, int start, int end = -1, SectionFlags flags = SectionDefault) const;
+    QString section(const QString &in_sep, int start, int end = -1, SectionFlags flags = SectionDefault) const;
+#ifndef QT_NO_REGEXP
+    QString section(const QRegExp &reg, int start, int end = -1, SectionFlags flags = SectionDefault) const;
+#endif
+
+    QString left(int n) const Q_REQUIRED_RESULT;
+    QString right(int n) const Q_REQUIRED_RESULT;
+    QString mid(int position, int n = -1) const Q_REQUIRED_RESULT;
+    QStringRef leftRef(int n) const Q_REQUIRED_RESULT;
+    QStringRef rightRef(int n) const Q_REQUIRED_RESULT;
+    QStringRef midRef(int position, int n = -1) const Q_REQUIRED_RESULT;
+
+    bool startsWith(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    bool startsWith(const QLatin1String &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    bool startsWith(const QChar &c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    bool endsWith(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    bool endsWith(const QLatin1String &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    bool endsWith(const QChar &c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+
+    QString leftJustified(int width, QChar fill = QLatin1Char(' '), bool trunc = false) const Q_REQUIRED_RESULT;
+    QString rightJustified(int width, QChar fill = QLatin1Char(' '), bool trunc = false) const Q_REQUIRED_RESULT;
+
+    QString toLower() const Q_REQUIRED_RESULT;
+    QString toUpper() const Q_REQUIRED_RESULT;
+    QString toCaseFolded() const Q_REQUIRED_RESULT;
+
+    QString trimmed() const Q_REQUIRED_RESULT;
+    QString simplified() const Q_REQUIRED_RESULT;
+
+    QString &insert(int i, QChar c);
+    QString &insert(int i, const QChar *uc, int len);
+    inline QString &insert(int i, const QString &s) { return insert(i, s.constData(), s.length()); }
+    QString &insert(int i, const QLatin1String &s);
+    QString &append(QChar c);
+    QString &append(const QString &s);
+    QString &append(const QStringRef &s);
+    QString &append(const QLatin1String &s);
+    inline QString &prepend(QChar c) { return insert(0, c); }
+    inline QString &prepend(const QString &s) { return insert(0, s); }
+    inline QString &prepend(const QLatin1String &s) { return insert(0, s); }
+
+    inline QString &operator+=(QChar c) {
+        if (d->ref != 1 || d->size + 1 > d->alloc)
+            realloc(grow(d->size + 1));
+        d->data[d->size++] = c.unicode();
+        d->data[d->size] = '\0';
+        return *this;
+    }
+
+    inline QString &operator+=(QChar::SpecialCharacter c) { return append(QChar(c)); }
+    inline QString &operator+=(const QString &s) { return append(s); }
+    inline QString &operator+=(const QStringRef &s) { return append(s); }
+    inline QString &operator+=(const QLatin1String &s) { return append(s); }
+
+    QString &remove(int i, int len);
+    QString &remove(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &remove(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &replace(int i, int len, QChar after);
+    QString &replace(int i, int len, const QChar *s, int slen);
+    QString &replace(int i, int len, const QString &after);
+    QString &replace(QChar before, QChar after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &replace(const QChar *before, int blen, const QChar *after, int alen, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &replace(const QLatin1String &before, const QLatin1String &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &replace(const QLatin1String &before, const QString &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &replace(const QString &before, const QLatin1String &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &replace(const QString &before, const QString &after,
+                     Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &replace(QChar c, const QString &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QString &replace(QChar c, const QLatin1String &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+#ifndef QT_NO_REGEXP
+    QString &replace(const QRegExp &rx, const QString &after);
+    inline QString &remove(const QRegExp &rx)
+    { return replace(rx, QString()); }
+#endif
+
+    enum SplitBehavior { KeepEmptyParts, SkipEmptyParts };
+
+    QStringList split(const QString &sep, SplitBehavior behavior = KeepEmptyParts,
+                      Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_REQUIRED_RESULT;
+    QStringList split(const QChar &sep, SplitBehavior behavior = KeepEmptyParts,
+                      Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_REQUIRED_RESULT;
+#ifndef QT_NO_REGEXP
+    QStringList split(const QRegExp &sep, SplitBehavior behavior = KeepEmptyParts) const Q_REQUIRED_RESULT;
+#endif
+
+    enum NormalizationForm {
+        NormalizationForm_D,
+        NormalizationForm_C,
+        NormalizationForm_KD,
+        NormalizationForm_KC
+    };
+    QString normalized(NormalizationForm mode) const Q_REQUIRED_RESULT;
+    QString normalized(NormalizationForm mode, QChar::UnicodeVersion version) const Q_REQUIRED_RESULT;
+
+    QString repeated(int times) const;
+
+    const ushort *utf16() const;
+
+    QByteArray toAscii() const Q_REQUIRED_RESULT;
+    QByteArray toLatin1() const Q_REQUIRED_RESULT;
+    QByteArray toUtf8() const Q_REQUIRED_RESULT;
+    QByteArray toLocal8Bit() const Q_REQUIRED_RESULT;
+    QVector<uint> toUcs4() const Q_REQUIRED_RESULT;
+
+    static QString fromAscii(const char *, int size = -1);
+    static QString fromLatin1(const char *, int size = -1);
+    static QString fromUtf8(const char *, int size = -1);
+    static QString fromLocal8Bit(const char *, int size = -1);
+    static QString fromUtf16(const ushort *, int size = -1);
+    static QString fromUcs4(const uint *, int size = -1);
+    static QString fromRawData(const QChar *, int size);
+
+    int toWCharArray(wchar_t *array) const;
+    static QString fromWCharArray(const wchar_t *, int size = -1);
+
+    QString &setUnicode(const QChar *unicode, int size);
+    inline QString &setUtf16(const ushort *utf16, int size);
+
+    // ### Qt 5: merge these two functions
+    int compare(const QString &s) const;
+    int compare(const QString &s, Qt::CaseSensitivity cs) const;
+
+    int compare(const QLatin1String &other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+
+    // ### Qt 5: merge these two functions
+    static inline int compare(const QString &s1, const QString &s2)
+    { return s1.compare(s2); }
+    static inline int compare(const QString &s1, const QString &s2, Qt::CaseSensitivity cs)
+    { return s1.compare(s2, cs); }
+
+    static inline int compare(const QString& s1, const QLatin1String &s2,
+                              Qt::CaseSensitivity cs = Qt::CaseSensitive)
+    { return s1.compare(s2, cs); }
+    static inline int compare(const QLatin1String& s1, const QString &s2,
+                              Qt::CaseSensitivity cs = Qt::CaseSensitive)
+    { return -s2.compare(s1, cs); }
+
+    int compare(const QStringRef &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    static int compare(const QString &s1, const QStringRef &s2,
+                       Qt::CaseSensitivity = Qt::CaseSensitive);
+
+    int localeAwareCompare(const QString& s) const;
+    static int localeAwareCompare(const QString& s1, const QString& s2)
+    { return s1.localeAwareCompare(s2); }
+
+    int localeAwareCompare(const QStringRef &s) const;
+    static int localeAwareCompare(const QString& s1, const QStringRef& s2);
+
+    short  toShort(bool *ok=0, int base=10) const;
+    ushort toUShort(bool *ok=0, int base=10) const;
+    int toInt(bool *ok=0, int base=10) const;
+    uint toUInt(bool *ok=0, int base=10) const;
+    long toLong(bool *ok=0, int base=10) const;
+    ulong toULong(bool *ok=0, int base=10) const;
+    qlonglong toLongLong(bool *ok=0, int base=10) const;
+    qulonglong toULongLong(bool *ok=0, int base=10) const;
+    float toFloat(bool *ok=0) const;
+    double toDouble(bool *ok=0) const;
+
+    QString &setNum(short, int base=10);
+    QString &setNum(ushort, int base=10);
+    QString &setNum(int, int base=10);
+    QString &setNum(uint, int base=10);
+    QString &setNum(long, int base=10);
+    QString &setNum(ulong, int base=10);
+    QString &setNum(qlonglong, int base=10);
+    QString &setNum(qulonglong, int base=10);
+    QString &setNum(float, char f='g', int prec=6);
+    QString &setNum(double, char f='g', int prec=6);
+
+    static QString number(int, int base=10);
+    static QString number(uint, int base=10);
+    static QString number(long, int base=10);
+    static QString number(ulong, int base=10);
+    static QString number(qlonglong, int base=10);
+    static QString number(qulonglong, int base=10);
+    static QString number(double, char f='g', int prec=6);
+
+    bool operator==(const QString &s) const;
+    bool operator<(const QString &s) const;
+    inline bool operator>(const QString &s) const { return s < *this; }
+    inline bool operator!=(const QString &s) const { return !operator==(s); }
+    inline bool operator<=(const QString &s) const { return !operator>(s); }
+    inline bool operator>=(const QString &s) const { return !operator<(s); }
+
+    bool operator==(const QLatin1String &s) const;
+    bool operator<(const QLatin1String &s) const;
+    bool operator>(const QLatin1String &s) const;
+    inline bool operator!=(const QLatin1String &s) const { return !operator==(s); }
+    inline bool operator<=(const QLatin1String &s) const { return !operator>(s); }
+    inline bool operator>=(const QLatin1String &s) const { return !operator<(s); }
+
+    // ASCII compatibility
+#ifndef QT_NO_CAST_FROM_ASCII
+    inline QT_ASCII_CAST_WARN_CONSTRUCTOR QString(const char *ch) : d(fromAscii_helper(ch))
+    {}
+    inline QT_ASCII_CAST_WARN_CONSTRUCTOR QString(const QByteArray &a)
+        : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
+    {}
+    inline QT_ASCII_CAST_WARN QString &operator=(const char *ch)
+    { return (*this = fromAscii(ch)); }
+    inline QT_ASCII_CAST_WARN QString &operator=(const QByteArray &a)
+    { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
+    inline QT_ASCII_CAST_WARN QString &operator=(char c)
+    { return (*this = QChar::fromAscii(c)); }
+
+    // these are needed, so it compiles with STL support enabled
+    inline QT_ASCII_CAST_WARN QString &prepend(const char *s)
+    { return prepend(QString::fromAscii(s)); }
+    inline QT_ASCII_CAST_WARN QString &prepend(const QByteArray &s)
+    { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
+    inline QT_ASCII_CAST_WARN QString &append(const char *s)
+    { return append(QString::fromAscii(s)); }
+    inline QT_ASCII_CAST_WARN QString &append(const QByteArray &s)
+    { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
+    inline QT_ASCII_CAST_WARN QString &operator+=(const char *s)
+    { return append(QString::fromAscii(s)); }
+    inline QT_ASCII_CAST_WARN QString &operator+=(const QByteArray &s)
+    { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
+    inline QT_ASCII_CAST_WARN QString &operator+=(char c)
+    { return append(QChar::fromAscii(c)); }
+
+    inline QT_ASCII_CAST_WARN bool operator==(const char *s) const;
+    inline QT_ASCII_CAST_WARN bool operator!=(const char *s) const;
+    inline QT_ASCII_CAST_WARN bool operator<(const char *s) const;
+    inline QT_ASCII_CAST_WARN bool operator<=(const char *s2) const;
+    inline QT_ASCII_CAST_WARN bool operator>(const char *s2) const;
+    inline QT_ASCII_CAST_WARN bool operator>=(const char *s2) const;
+
+    inline QT_ASCII_CAST_WARN bool operator==(const QByteArray &s) const;
+    inline QT_ASCII_CAST_WARN bool operator!=(const QByteArray &s) const;
+    inline QT_ASCII_CAST_WARN bool operator<(const QByteArray &s) const
+    { return *this < QString::fromAscii(s.constData(), s.size()); }
+    inline QT_ASCII_CAST_WARN bool operator>(const QByteArray &s) const
+    { return *this > QString::fromAscii(s.constData(), s.size()); }
+    inline QT_ASCII_CAST_WARN bool operator<=(const QByteArray &s) const
+    { return *this <= QString::fromAscii(s.constData(), s.size()); }
+    inline QT_ASCII_CAST_WARN bool operator>=(const QByteArray &s) const
+    { return *this >= QString::fromAscii(s.constData(), s.size()); }
+#endif
+
+    typedef QChar *iterator;
+    typedef const QChar *const_iterator;
+    typedef iterator Iterator;
+    typedef const_iterator ConstIterator;
+    iterator begin();
+    const_iterator begin() const;
+    const_iterator constBegin() const;
+    iterator end();
+    const_iterator end() const;
+    const_iterator constEnd() const;
+
+    // STL compatibility
+    inline void push_back(QChar c) { append(c); }
+    inline void push_back(const QString &s) { append(s); }
+    inline void push_front(QChar c) { prepend(c); }
+    inline void push_front(const QString &s) { prepend(s); }
+
+#ifndef QT_NO_STL
+    static inline QString fromStdString(const std::string &s);
+    inline std::string toStdString() const;
+# ifdef qdoc
+    static inline QString fromStdWString(const std::wstring &s);
+    inline std::wstring toStdWString() const;
+# else
+#  ifndef QT_NO_STL_WCHAR
+    static inline QString fromStdWString(const QStdWString &s);
+    inline QStdWString toStdWString() const;
+#  endif // QT_NO_STL_WCHAR
+# endif // qdoc
+#endif
+
+    // compatibility
+    struct Null { };
+    static const Null null;
+    inline QString(const Null &): d(&shared_null) { d->ref.ref(); }
+    inline QString &operator=(const Null &) { *this = QString(); return *this; }
+    inline bool isNull() const { return d == &shared_null; }
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT const char *ascii() const { return ascii_helper(); }
+    inline QT3_SUPPORT const char *latin1() const { return latin1_helper(); }
+    inline QT3_SUPPORT QByteArray utf8() const { return toUtf8(); }
+    inline QT3_SUPPORT QByteArray local8Bit() const{ return toLocal8Bit(); }
+    inline QT3_SUPPORT void setLength(int nl) { resize(nl); }
+    inline QT3_SUPPORT QString copy() const { return *this; }
+    inline QT3_SUPPORT QString &remove(QChar c, bool cs)
+    { return remove(c, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT QString &remove(const QString  &s, bool cs)
+    { return remove(s, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT QString &replace(QChar c, const QString  &after, bool cs)
+    { return replace(c, after, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT QString &replace(const QString &before, const QString &after, bool cs)
+    { return replace(before, after, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+#ifndef QT_NO_CAST_FROM_ASCII
+    inline QT3_SUPPORT QString &replace(char c, const QString &after, bool cs)
+    { return replace(QChar::fromAscii(c), after, cs ? Qt::CaseSensitive : Qt::CaseInsensitive); }
+    // strange overload, required to avoid GCC 3.3 error
+    inline QT3_SUPPORT QString &replace(char c, const QString &after, Qt::CaseSensitivity cs)
+    { return replace(QChar::fromAscii(c), after, cs ? Qt::CaseSensitive : Qt::CaseInsensitive); }
+#endif
+    inline QT3_SUPPORT int find(QChar c, int i = 0, bool cs = true) const
+    { return indexOf(c, i, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT int find(const QString &s, int i = 0, bool cs = true) const
+    { return indexOf(s, i, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT int findRev(QChar c, int i = -1, bool cs = true) const
+    { return lastIndexOf(c, i, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT int findRev(const QString &s, int i = -1, bool cs = true) const
+    { return lastIndexOf(s, i, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+#ifndef QT_NO_REGEXP
+    inline QT3_SUPPORT int find(const QRegExp &rx, int i=0) const
+    { return indexOf(rx, i); }
+    inline QT3_SUPPORT int findRev(const QRegExp &rx, int i=-1) const
+    { return lastIndexOf(rx, i); }
+    inline QT3_SUPPORT int find(QRegExp &rx, int i=0) const
+    { return indexOf(rx, i); }
+    inline QT3_SUPPORT int findRev(QRegExp &rx, int i=-1) const
+    { return lastIndexOf(rx, i); }
+#endif
+    inline QT3_SUPPORT QBool contains(QChar c, bool cs) const
+    { return contains(c, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT QBool contains(const QString &s, bool cs) const
+    { return contains(s, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT bool startsWith(const QString &s, bool cs) const
+    { return startsWith(s, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT bool endsWith(const QString &s, bool cs) const
+    { return endsWith(s, cs?Qt::CaseSensitive:Qt::CaseInsensitive); }
+    inline QT3_SUPPORT QChar constref(uint i) const
+    { return at(i); }
+    QT3_SUPPORT QChar &ref(uint i);
+    inline QT3_SUPPORT QString leftJustify(int width, QChar aFill = QLatin1Char(' '), bool trunc=false) const
+    { return leftJustified(width, aFill, trunc); }
+    inline QT3_SUPPORT QString rightJustify(int width, QChar aFill = QLatin1Char(' '), bool trunc=false) const
+    { return rightJustified(width, aFill, trunc); }
+    inline QT3_SUPPORT QString lower() const { return toLower(); }
+    inline QT3_SUPPORT QString upper() const { return toUpper(); }
+    inline QT3_SUPPORT QString stripWhiteSpace() const { return trimmed(); }
+    inline QT3_SUPPORT QString simplifyWhiteSpace() const { return simplified(); }
+    inline QT3_SUPPORT QString &setUnicodeCodes(const ushort *unicode_as_ushorts, int aSize)
+    { return setUtf16(unicode_as_ushorts, aSize); }
+    inline QT3_SUPPORT const ushort *ucs2() const { return utf16(); }
+    inline static QT3_SUPPORT QString fromUcs2(const ushort *unicode, int size = -1)
+    { return fromUtf16(unicode, size); }
+    inline QT3_SUPPORT QString &setAscii(const char *str, int len = -1)
+    { *this = fromAscii(str, len); return *this; }
+    inline QT3_SUPPORT QString &setLatin1(const char *str, int len = -1)
+    { *this = fromLatin1(str, len); return *this; }
+protected:
+    friend class QObject;
+    const char *ascii_helper() const;
+    const char *latin1_helper() const;
+public:
+#ifndef QT_NO_CAST_TO_ASCII
+    inline QT3_SUPPORT operator const char *() const { return ascii_helper(); }
+private:
+    QT3_SUPPORT operator QNoImplicitBoolCast() const;
+public:
+#endif
+#endif
+
+    bool isSimpleText() const { if (!d->clean) updateProperties(); return d->simpletext; }
+    bool isRightToLeft() const { if (!d->clean) updateProperties(); return d->righttoleft; }
+
+private:
+#if defined(QT_NO_CAST_FROM_ASCII) && !defined(Q_NO_DECLARED_NOT_DEFINED)
+    QString &operator+=(const char *s);
+    QString &operator+=(const QByteArray &s);
+    QString(const char *ch);
+    QString(const QByteArray &a);
+    QString &operator=(const char  *ch);
+    QString &operator=(const QByteArray &a);
+#endif
+
+    struct Data {
+        QBasicAtomicInt ref;
+        int alloc, size;
+        ushort *data;
+        ushort clean : 1;
+        ushort simpletext : 1;
+        ushort righttoleft : 1;
+        ushort asciiCache : 1;
+        ushort capacity : 1;
+        ushort reserved : 11;
+        ushort array[1];
+    };
+    static Data shared_null;
+    static Data shared_empty;
+    Data *d;
+    QString(Data *dd, int /*dummy*/) : d(dd) {}
+#ifndef QT_NO_TEXTCODEC
+    static QTextCodec *codecForCStrings;
+#endif
+    static int grow(int);
+    static void free(Data *);
+    void realloc();
+    void realloc(int alloc);
+    void expand(int i);
+    void updateProperties() const;
+    QString multiArg(int numArgs, const QString **args) const;
+    static int compare_helper(const QChar *data1, int length1,
+                              const QChar *data2, int length2,
+                              Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    static int compare_helper(const QChar *data1, int length1,
+                              QLatin1String s2,
+                              Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    static int localeAwareCompare_helper(const QChar *data1, int length1,
+                                         const QChar *data2, int length2);
+    static Data *fromLatin1_helper(const char *str, int size = -1);
+    static Data *fromAscii_helper(const char *str, int size = -1);
+    void replace_helper(uint *indices, int nIndices, int blen, const QChar *after, int alen);
+    friend class QCharRef;
+    friend class QTextCodec;
+    friend class QStringRef;
+    friend inline bool qStringComparisonHelper(const QString &s1, const char *s2);
+    friend inline bool qStringComparisonHelper(const QStringRef &s1, const char *s2);
+public:
+    typedef Data * DataPtr;
+    inline DataPtr &data_ptr() { return d; }
+};
+
+
+class Q_CORE_EXPORT QLatin1String
+{
+public:
+    inline explicit QLatin1String(const char *s) : chars(s) {}
+    inline QLatin1String &operator=(const QLatin1String &other)
+    { chars = other.chars; return *this; }
+
+    inline const char *latin1() const { return chars; }
+
+    inline bool operator==(const QString &s) const
+    { return s == *this; }
+    inline bool operator!=(const QString &s) const
+    { return s != *this; }
+    inline bool operator>(const QString &s) const
+    { return s < *this; }
+    inline bool operator<(const QString &s) const
+    { return s > *this; }
+    inline bool operator>=(const QString &s) const
+    { return s <= *this; }
+    inline bool operator<=(const QString &s) const
+    { return s >= *this; }
+
+    inline QT_ASCII_CAST_WARN bool operator==(const char *s) const
+        { return QString::fromAscii(s) == *this; }
+    inline QT_ASCII_CAST_WARN bool operator!=(const char *s) const
+        { return QString::fromAscii(s) != *this; }
+    inline QT_ASCII_CAST_WARN bool operator<(const char *s) const
+        { return QString::fromAscii(s) > *this; }
+    inline QT_ASCII_CAST_WARN bool operator>(const char *s) const
+        { return QString::fromAscii(s) < *this; }
+    inline QT_ASCII_CAST_WARN bool operator<=(const char *s) const
+        { return QString::fromAscii(s) >= *this; }
+    inline QT_ASCII_CAST_WARN bool operator>=(const char *s) const
+        { return QString::fromAscii(s) <= *this; }
+private:
+    const char *chars;
+};
+
+
+
+inline QString::QString(const QLatin1String &aLatin1) : d(fromLatin1_helper(aLatin1.latin1()))
+{ }
+inline int QString::length() const
+{ return d->size; }
+inline const QChar QString::at(int i) const
+{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
+inline const QChar QString::operator[](int i) const
+{ Q_ASSERT(i >= 0 && i < size()); return d->data[i]; }
+inline const QChar QString::operator[](uint i) const
+{ Q_ASSERT(i < uint(size())); return d->data[i]; }
+inline bool QString::isEmpty() const
+{ return d->size == 0; }
+inline const QChar *QString::unicode() const
+{ return reinterpret_cast<const QChar*>(d->data); }
+inline const QChar *QString::data() const
+{ return reinterpret_cast<const QChar*>(d->data); }
+inline QChar *QString::data()
+{ detach(); return reinterpret_cast<QChar*>(d->data); }
+inline const QChar *QString::constData() const
+{ return reinterpret_cast<const QChar*>(d->data); }
+inline void QString::detach()
+{ if (d->ref != 1 || d->data != d->array) realloc(); }
+inline bool QString::isDetached() const
+{ return d->ref == 1; }
+inline QString &QString::operator=(const QLatin1String &s)
+{
+    *this = fromLatin1(s.latin1());
+    return *this;
+}
+inline void QString::clear()
+{ if (!isNull()) *this = QString(); }
+inline QString::QString(const QString &other) : d(other.d)
+{ Q_ASSERT(&other != this); d->ref.ref(); }
+inline int QString::capacity() const
+{ return d->alloc; }
+inline QString &QString::setNum(short n, int base)
+{ return setNum(qlonglong(n), base); }
+inline QString &QString::setNum(ushort n, int base)
+{ return setNum(qulonglong(n), base); }
+inline QString &QString::setNum(int n, int base)
+{ return setNum(qlonglong(n), base); }
+inline QString &QString::setNum(uint n, int base)
+{ return setNum(qulonglong(n), base); }
+inline QString &QString::setNum(long n, int base)
+{ return setNum(qlonglong(n), base); }
+inline QString &QString::setNum(ulong n, int base)
+{ return setNum(qulonglong(n), base); }
+inline QString &QString::setNum(float n, char f, int prec)
+{ return setNum(double(n),f,prec); }
+inline QString QString::arg(int a, int fieldWidth, int base, const QChar &fillChar) const
+{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
+inline QString QString::arg(uint a, int fieldWidth, int base, const QChar &fillChar) const
+{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
+inline QString QString::arg(long a, int fieldWidth, int base, const QChar &fillChar) const
+{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
+inline QString QString::arg(ulong a, int fieldWidth, int base, const QChar &fillChar) const
+{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
+inline QString QString::arg(short a, int fieldWidth, int base, const QChar &fillChar) const
+{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
+inline QString QString::arg(ushort a, int fieldWidth, int base, const QChar &fillChar) const
+{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
+inline QString QString::arg(const QString &a1, const QString &a2) const
+{ const QString *args[2] = { &a1, &a2 }; return multiArg(2, args); }
+inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3) const
+{ const QString *args[3] = { &a1, &a2, &a3 }; return multiArg(3, args); }
+inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
+                            const QString &a4) const
+{ const QString *args[4] = { &a1, &a2, &a3, &a4 }; return multiArg(4, args); }
+inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
+                            const QString &a4, const QString &a5) const
+{ const QString *args[5] = { &a1, &a2, &a3, &a4, &a5 }; return multiArg(5, args); }
+inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
+                            const QString &a4, const QString &a5, const QString &a6) const
+{ const QString *args[6] = { &a1, &a2, &a3, &a4, &a5, &a6 }; return multiArg(6, args); }
+inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
+                            const QString &a4, const QString &a5, const QString &a6,
+                            const QString &a7) const
+{ const QString *args[7] = { &a1, &a2, &a3, &a4, &a5, &a6,  &a7 }; return multiArg(7, args); }
+inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
+                            const QString &a4, const QString &a5, const QString &a6,
+                            const QString &a7, const QString &a8) const
+{ const QString *args[8] = { &a1, &a2, &a3, &a4, &a5, &a6,  &a7, &a8 }; return multiArg(8, args); }
+inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3,
+                            const QString &a4, const QString &a5, const QString &a6,
+                            const QString &a7, const QString &a8, const QString &a9) const
+{ const QString *args[9] = { &a1, &a2, &a3, &a4, &a5, &a6,  &a7, &a8, &a9 }; return multiArg(9, args); }
+
+inline QString QString::section(QChar asep, int astart, int aend, SectionFlags aflags) const
+{ return section(QString(asep), astart, aend, aflags); }
+
+
+class Q_CORE_EXPORT QCharRef {
+    QString &s;
+    int i;
+    inline QCharRef(QString &str, int idx)
+        : s(str),i(idx) {}
+    friend class QString;
+public:
+
+    // most QChar operations repeated here
+
+    // all this is not documented: We just say "like QChar" and let it be.
+    inline operator QChar() const
+        { return i < s.d->size ? s.d->data[i] : 0; }
+    inline QCharRef &operator=(const QChar &c)
+        { if (i >= s.d->size) s.expand(i); else s.detach();
+          s.d->data[i] = c.unicode();  return *this; }
+
+    // An operator= for each QChar cast constructors
+#ifndef QT_NO_CAST_FROM_ASCII
+    inline QT_ASCII_CAST_WARN QCharRef &operator=(char c)
+    { return operator=(QChar::fromAscii(c)); }
+    inline QT_ASCII_CAST_WARN QCharRef &operator=(uchar c)
+    { return operator=(QChar::fromAscii(c)); }
+#endif
+    inline QCharRef &operator=(const QCharRef &c) { return operator=(QChar(c)); }
+    inline QCharRef &operator=(ushort rc) { return operator=(QChar(rc)); }
+    inline QCharRef &operator=(short rc) { return operator=(QChar(rc)); }
+    inline QCharRef &operator=(uint rc) { return operator=(QChar(rc)); }
+    inline QCharRef &operator=(int rc) { return operator=(QChar(rc)); }
+
+    // each function...
+    inline bool isNull() const { return QChar(*this).isNull(); }
+    inline bool isPrint() const { return QChar(*this).isPrint(); }
+    inline bool isPunct() const { return QChar(*this).isPunct(); }
+    inline bool isSpace() const { return QChar(*this).isSpace(); }
+    inline bool isMark() const { return QChar(*this).isMark(); }
+    inline bool isLetter() const { return QChar(*this).isLetter(); }
+    inline bool isNumber() const { return QChar(*this).isNumber(); }
+    inline bool isLetterOrNumber() { return QChar(*this).isLetterOrNumber(); }
+    inline bool isDigit() const { return QChar(*this).isDigit(); }
+    inline bool isLower() const { return QChar(*this).isLower(); }
+    inline bool isUpper() const { return QChar(*this).isUpper(); }
+    inline bool isTitleCase() const { return QChar(*this).isTitleCase(); }
+
+    inline int digitValue() const { return QChar(*this).digitValue(); }
+    QChar toLower() const { return QChar(*this).toLower(); }
+    QChar toUpper() const { return QChar(*this).toUpper(); }
+    QChar toTitleCase () const { return QChar(*this).toTitleCase(); }
+
+    QChar::Category category() const { return QChar(*this).category(); }
+    QChar::Direction direction() const { return QChar(*this).direction(); }
+    QChar::Joining joining() const { return QChar(*this).joining(); }
+    bool hasMirrored() const { return QChar(*this).hasMirrored(); }
+    QChar mirroredChar() const { return QChar(*this).mirroredChar(); }
+    QString decomposition() const { return QChar(*this).decomposition(); }
+    QChar::Decomposition decompositionTag() const { return QChar(*this).decompositionTag(); }
+    uchar combiningClass() const { return QChar(*this).combiningClass(); }
+
+    QChar::UnicodeVersion unicodeVersion() const { return QChar(*this).unicodeVersion(); }
+
+    inline uchar cell() const { return QChar(*this).cell(); }
+    inline uchar row() const { return QChar(*this).row(); }
+    inline void setCell(uchar cell);
+    inline void setRow(uchar row);
+
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+    const char toAscii() const { return QChar(*this).toAscii(); }
+    const char toLatin1() const { return QChar(*this).toLatin1(); }
+    const ushort unicode() const { return QChar(*this).unicode(); }
+#else
+    char toAscii() const { return QChar(*this).toAscii(); }
+    char toLatin1() const { return QChar(*this).toLatin1(); }
+    ushort unicode() const { return QChar(*this).unicode(); }
+#endif
+    ushort& unicode() { return s.data()[i].unicode(); }
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT bool mirrored() const { return hasMirrored(); }
+    inline QT3_SUPPORT QChar lower() const { return QChar(*this).toLower(); }
+    inline QT3_SUPPORT QChar upper() const { return QChar(*this).toUpper(); }
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+    const QT3_SUPPORT char latin1() const { return QChar(*this).toLatin1(); }
+    const QT3_SUPPORT char ascii() const { return QChar(*this).toAscii(); }
+#else
+    QT3_SUPPORT char latin1() const { return QChar(*this).toLatin1(); }
+    QT3_SUPPORT char ascii() const { return QChar(*this).toAscii(); }
+#endif
+#endif
+};
+
+inline void QCharRef::setRow(uchar arow) { QChar(*this).setRow(arow); }
+inline void QCharRef::setCell(uchar acell) { QChar(*this).setCell(acell); }
+
+
+inline QString::QString() : d(&shared_null) { d->ref.ref(); }
+inline QString::~QString() { if (!d->ref.deref()) free(d); }
+inline void QString::reserve(int asize) { if (d->ref != 1 || asize > d->alloc) realloc(asize); d->capacity = 1;}
+inline QString &QString::setUtf16(const ushort *autf16, int asize)
+{ return setUnicode(reinterpret_cast<const QChar *>(autf16), asize); }
+inline QCharRef QString::operator[](int i)
+{ Q_ASSERT(i >= 0); return QCharRef(*this, i); }
+inline QCharRef QString::operator[](uint i)
+{ return QCharRef(*this, i); }
+inline QString::iterator QString::begin()
+{ detach(); return reinterpret_cast<QChar*>(d->data); }
+inline QString::const_iterator QString::begin() const
+{ return reinterpret_cast<const QChar*>(d->data); }
+inline QString::const_iterator QString::constBegin() const
+{ return reinterpret_cast<const QChar*>(d->data); }
+inline QString::iterator QString::end()
+{ detach(); return reinterpret_cast<QChar*>(d->data + d->size); }
+inline QString::const_iterator QString::end() const
+{ return reinterpret_cast<const QChar*>(d->data + d->size); }
+inline QString::const_iterator QString::constEnd() const
+{ return reinterpret_cast<const QChar*>(d->data + d->size); }
+inline QBool QString::contains(const QString &s, Qt::CaseSensitivity cs) const
+{ return QBool(indexOf(s, 0, cs) != -1); }
+inline QBool QString::contains(QChar c, Qt::CaseSensitivity cs) const
+{ return QBool(indexOf(c, 0, cs) != -1); }
+
+
+inline bool operator==(QString::Null, QString::Null) { return true; }
+inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
+inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
+inline bool operator!=(QString::Null, QString::Null) { return false; }
+inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
+inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
+
+#ifndef QT_NO_CAST_FROM_ASCII
+inline bool qStringComparisonHelper(const QString &s1, const char *s2)
+{
+#  ifndef QT_NO_TEXTCODEC
+    if (QString::codecForCStrings) return (s1 == QString::fromAscii(s2));
+#  endif
+    return (s1 == QLatin1String(s2));
+}
+inline bool QString::operator==(const char *s) const
+{ return qStringComparisonHelper(*this, s); }
+inline bool QString::operator!=(const char *s) const
+{ return !qStringComparisonHelper(*this, s); }
+inline bool QString::operator<(const char *s) const
+{ return *this < QString::fromAscii(s); }
+inline bool QString::operator>(const char *s) const
+{ return *this > QString::fromAscii(s); }
+inline bool QString::operator<=(const char *s) const
+{ return *this <= QString::fromAscii(s); }
+inline bool QString::operator>=(const char *s) const
+{ return *this >= QString::fromAscii(s); }
+
+inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
+{ return qStringComparisonHelper(s2, s1); }
+inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
+{ return !qStringComparisonHelper(s2, s1); }
+inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
+{ return (QString::fromAscii(s1) < s2); }
+inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
+{ return (QString::fromAscii(s1) > s2); }
+inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
+{ return (QString::fromAscii(s1) <= s2); }
+inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
+{ return (QString::fromAscii(s1) >= s2); }
+
+inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
+{ return QString::fromAscii(s1) == s2; }
+inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
+{ return QString::fromAscii(s1) != s2; }
+inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
+{ return (QString::fromAscii(s1) < s2); }
+inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
+{ return (QString::fromAscii(s1) > s2); }
+inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
+{ return (QString::fromAscii(s1) <= s2); }
+inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
+{ return (QString::fromAscii(s1) >= s2); }
+
+inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
+{ return (qstrcmp(s1.latin1(), s2.latin1()) == 0); }
+inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
+{ return (qstrcmp(s1.latin1(), s2.latin1()) != 0); }
+inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
+{ return (qstrcmp(s1.latin1(), s2.latin1()) < 0); }
+inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
+{ return (qstrcmp(s1.latin1(), s2.latin1()) <= 0); }
+inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
+{ return (qstrcmp(s1.latin1(), s2.latin1()) > 0); }
+inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
+{ return (qstrcmp(s1.latin1(), s2.latin1()) >= 0); }
+
+
+inline bool QString::operator==(const QByteArray &s) const
+{ return qStringComparisonHelper(*this, s.constData()); }
+inline bool QString::operator!=(const QByteArray &s) const
+{ return !qStringComparisonHelper(*this, s.constData()); }
+
+inline bool QByteArray::operator==(const QString &s) const
+{ return qStringComparisonHelper(s, constData()); }
+inline bool QByteArray::operator!=(const QString &s) const
+{ return !qStringComparisonHelper(s, constData()); }
+inline bool QByteArray::operator<(const QString &s) const
+{ return QString::fromAscii(constData(), size()) < s; }
+inline bool QByteArray::operator>(const QString &s) const
+{ return QString::fromAscii(constData(), size()) > s; }
+inline bool QByteArray::operator<=(const QString &s) const
+{ return QString::fromAscii(constData(), size()) <= s; }
+inline bool QByteArray::operator>=(const QString &s) const
+{ return QString::fromAscii(constData(), size()) >= s; }
+#endif   // QT_NO_CAST_FROM_ASCII
+
+#ifndef QT_NO_CAST_TO_ASCII
+inline QByteArray &QByteArray::append(const QString &s)
+{ return append(s.toAscii()); }
+inline QByteArray &QByteArray::insert(int i, const QString &s)
+{ return insert(i, s.toAscii()); }
+inline QByteArray &QByteArray::replace(char c, const QString &after)
+{ return replace(c, after.toAscii()); }
+inline QByteArray &QByteArray::replace(const QString &before, const char *after)
+{ return replace(before.toAscii(), after); }
+inline QByteArray &QByteArray::replace(const QString &before, const QByteArray &after)
+{ return replace(before.toAscii(), after); }
+inline QByteArray &QByteArray::operator+=(const QString &s)
+{ return operator+=(s.toAscii()); }
+inline int QByteArray::indexOf(const QString &s, int from) const
+{ return indexOf(s.toAscii(), from); }
+inline int QByteArray::lastIndexOf(const QString &s, int from) const
+{ return lastIndexOf(s.toAscii(), from); }
+#  ifdef QT3_SUPPORT
+inline int QByteArray::find(const QString &s, int from) const
+{ return indexOf(s.toAscii(), from); }
+inline int QByteArray::findRev(const QString &s, int from) const
+{ return lastIndexOf(s.toAscii(), from); }
+#  endif // QT3_SUPPORT
+#endif // QT_NO_CAST_TO_ASCII
+
+inline const QString operator+(const QString &s1, const QString &s2)
+{ QString t(s1); t += s2; return t; }
+inline const QString operator+(const QString &s1, QChar s2)
+{ QString t(s1); t += s2; return t; }
+inline const QString operator+(QChar s1, const QString &s2)
+{ QString t(s1); t += s2; return t; }
+#ifndef QT_NO_CAST_FROM_ASCII
+inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
+{ QString t(s1); t += QString::fromAscii(s2); return t; }
+inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
+{ QString t = QString::fromAscii(s1); t += s2; return t; }
+inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
+{ QString t = s; t.prepend(QChar::fromAscii(c)); return t; }
+inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
+{ QString t = s; t += QChar::fromAscii(c); return t; }
+inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
+{ QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
+inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
+{ QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
+#endif
+
+#ifndef QT_NO_STL
+inline std::string QString::toStdString() const
+{ const QByteArray asc = toAscii(); return std::string(asc.constData(), asc.length()); }
+
+inline QString QString::fromStdString(const std::string &s)
+{ return fromAscii(s.data(), int(s.size())); }
+
+# ifndef QT_NO_STL_WCHAR
+inline QStdWString QString::toStdWString() const
+{
+    QStdWString str;
+    str.resize(length());
+
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+    // VS2005 crashes if the string is empty
+    if (!length())
+        return str;
+#endif
+
+    str.resize(toWCharArray(&(*str.begin())));
+    return str;
+}
+inline QString QString::fromStdWString(const QStdWString &s)
+{ return fromWCharArray(s.data(), int(s.size())); }
+# endif
+#endif
+
+#ifdef QT3_SUPPORT
+inline QChar &QString::ref(uint i)
+{
+    if (int(i) > d->size || d->ref != 1)
+        resize(qMax(int(i), d->size));
+    return reinterpret_cast<QChar&>(d->data[i]);
+}
+#endif
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QString &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QString &);
+#endif
+
+#ifdef QT3_SUPPORT
+class QConstString : public QString
+{
+public:
+    inline QT3_SUPPORT_CONSTRUCTOR QConstString(const QChar *aUnicode, int aSize)
+        :QString(aUnicode, aSize){} // cannot use fromRawData() due to changed semantics
+    inline QT3_SUPPORT const QString &string() const { return *this; }
+};
+#endif
+
+Q_DECLARE_TYPEINFO(QString, Q_MOVABLE_TYPE);
+Q_DECLARE_SHARED(QString)
+Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+extern Q_CORE_EXPORT QByteArray qt_winQString2MB(const QString& s, int len=-1);
+extern Q_CORE_EXPORT QByteArray qt_winQString2MB(const QChar *ch, int len);
+extern Q_CORE_EXPORT QString qt_winMB2QString(const char* mb, int len=-1);
+#endif
+
+
+class Q_CORE_EXPORT QStringRef {
+    const QString *m_string;
+    int m_position;
+    int m_size;
+public:
+    inline QStringRef():m_string(0), m_position(0), m_size(0){}
+    inline QStringRef(const QString *string, int position, int size);
+    inline QStringRef(const QString *string);
+    inline QStringRef(const QStringRef &other)
+        :m_string(other.m_string), m_position(other.m_position), m_size(other.m_size)
+        {}
+
+    inline ~QStringRef(){}
+    inline const QString *string() const { return m_string; }
+    inline int position() const { return m_position; }
+    inline int size() const { return m_size; }
+    inline int count() const { return m_size; }
+    inline int length() const { return m_size; }
+
+    inline QStringRef &operator=(const QStringRef &other) {
+        m_string = other.m_string; m_position = other.m_position;
+        m_size = other.m_size; return *this;
+    }
+
+    inline QStringRef &operator=(const QString *string);
+
+    inline const QChar *unicode() const {
+        if (!m_string)
+            return reinterpret_cast<const QChar *>(QString::shared_null.data);
+        return m_string->unicode() + m_position;
+    }
+    inline const QChar *data() const { return unicode(); }
+    inline const QChar *constData() const {  return unicode(); }
+
+    inline void clear() { m_string = 0; m_position = m_size = 0; }
+    QString toString() const;
+    inline bool isEmpty() const { return m_size == 0; }
+    inline bool isNull() const { return m_string == 0 || m_string->isNull(); }
+
+    QStringRef appendTo(QString *string) const;
+
+    inline const QChar at(int i) const
+        { Q_ASSERT(i >= 0 && i < size()); return m_string->at(i + m_position); }
+
+    int compare(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int compare(const QStringRef &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    int compare(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    static int compare(const QStringRef &s1, const QString &s2,
+                       Qt::CaseSensitivity = Qt::CaseSensitive);
+    static int compare(const QStringRef &s1, const QStringRef &s2,
+                       Qt::CaseSensitivity = Qt::CaseSensitive);
+    static int compare(const QStringRef &s1, QLatin1String s2,
+                       Qt::CaseSensitivity cs = Qt::CaseSensitive);
+
+    int localeAwareCompare(const QString &s) const;
+    int localeAwareCompare(const QStringRef &s) const;
+    static int localeAwareCompare(const QStringRef &s1, const QString &s2);
+    static int localeAwareCompare(const QStringRef &s1, const QStringRef &s2);
+};
+
+inline QStringRef &QStringRef::operator=(const QString *aString)
+{ m_string = aString; m_position = 0; m_size = aString?aString->size():0; return *this; }
+
+inline QStringRef::QStringRef(const QString *aString, int aPosition, int aSize)
+        :m_string(aString), m_position(aPosition), m_size(aSize){}
+
+inline QStringRef::QStringRef(const QString *aString)
+    :m_string(aString), m_position(0), m_size(aString?aString->size() : 0){}
+
+Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
+inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
+{ return !(s1 == s2); }
+Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
+inline bool operator!=(const QString &s1,const QStringRef &s2)
+{ return !(s1 == s2); }
+inline bool operator==(const QStringRef &s1,const QString &s2)
+{ return s2 == s1; }
+inline bool operator!=(const QStringRef &s1,const QString &s2)
+{ return s2 != s1; }
+Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
+inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
+{ return !(s1 == s2); }
+inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
+{ return s2 == s1; }
+inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
+{ return s2 != s1; }
+
+Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
+inline bool operator>(const QStringRef &s1, const QStringRef &s2)
+{ return s2 < s1; }
+inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
+{ return !(s1 > s2); }
+inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
+{ return !(s1 < s2); }
+
+inline bool qStringComparisonHelper(const QStringRef &s1, const char *s2)
+{
+#  ifndef QT_NO_TEXTCODEC
+    if (QString::codecForCStrings) return (s1 == QString::fromAscii(s2));
+#  endif
+    return (s1 == QLatin1String(s2));
+}
+
+inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
+{ return qStringComparisonHelper(s2, s1); }
+inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
+{ return qStringComparisonHelper(s1, s2); }
+inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
+{ return !qStringComparisonHelper(s2, s1); }
+inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
+{ return !qStringComparisonHelper(s1, s2); }
+
+inline int QString::compare(const QStringRef &s, Qt::CaseSensitivity cs) const
+{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
+inline int QString::compare(const QString &s1, const QStringRef &s2, Qt::CaseSensitivity cs)
+{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
+inline int QStringRef::compare(const QString &s, Qt::CaseSensitivity cs) const
+{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
+inline int QStringRef::compare(const QStringRef &s, Qt::CaseSensitivity cs) const
+{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
+inline int QStringRef::compare(QLatin1String s, Qt::CaseSensitivity cs) const
+{ return QString::compare_helper(constData(), length(), s, cs); }
+inline int QStringRef::compare(const QStringRef &s1, const QString &s2, Qt::CaseSensitivity cs)
+{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
+inline int QStringRef::compare(const QStringRef &s1, const QStringRef &s2, Qt::CaseSensitivity cs)
+{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
+inline int QStringRef::compare(const QStringRef &s1, QLatin1String s2, Qt::CaseSensitivity cs)
+{ return QString::compare_helper(s1.constData(), s1.length(), s2, cs); }
+
+inline int QString::localeAwareCompare(const QStringRef &s) const
+{ return localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
+inline int QString::localeAwareCompare(const QString& s1, const QStringRef& s2)
+{ return localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
+inline int QStringRef::localeAwareCompare(const QString &s) const
+{ return QString::localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
+inline int QStringRef::localeAwareCompare(const QStringRef &s) const
+{ return QString::localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
+inline int QStringRef::localeAwareCompare(const QStringRef &s1, const QString &s2)
+{ return QString::localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
+inline int QStringRef::localeAwareCompare(const QStringRef &s1, const QStringRef &s2)
+{ return QString::localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
+
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSTRING_H
diff --git a/src/corelib/tools/qstringlist.cpp b/src/corelib/tools/qstringlist.cpp
new file mode 100644
index 0000000000..386321f13e
--- /dev/null
+++ b/src/corelib/tools/qstringlist.cpp
@@ -0,0 +1,673 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qstringlist.h>
+#include <qset.h>
+
+QT_BEGIN_NAMESPACE
+
+/*! \typedef QStringListIterator
+    \relates QStringList
+
+    The QStringListIterator type definition provides a Java-style const
+    iterator for QStringList.
+
+    QStringList provides both \l{Java-style iterators} and
+    \l{STL-style iterators}. The Java-style const iterator is simply
+    a type definition for QListIterator<QString>.
+
+    \sa QMutableStringListIterator, QStringList::const_iterator
+*/
+
+/*! \typedef QMutableStringListIterator
+    \relates QStringList
+
+    The QStringListIterator type definition provides a Java-style
+    non-const iterator for QStringList.
+
+    QStringList provides both \l{Java-style iterators} and
+    \l{STL-style iterators}. The Java-style non-const iterator is
+    simply a type definition for QMutableListIterator<QString>.
+
+    \sa QStringListIterator, QStringList::iterator
+*/
+
+/*!
+    \class QStringList
+    \brief The QStringList class provides a list of strings.
+
+    \ingroup tools
+    \ingroup shared
+    \ingroup text
+    \mainclass
+    \reentrant
+
+    QStringList inherits from QList<QString>. Like QList, QStringList is
+    \l{implicitly shared}. It provides fast index-based access as well as fast
+    insertions and removals. Passing string lists as value parameters is both
+    fast and safe.
+
+    All of QList's functionality also applies to QStringList. For example, you
+    can use isEmpty() to test whether the list is empty, and you can call
+    functions like append(), prepend(), insert(), replace(), removeAll(),
+    removeAt(), removeFirst(), removeLast(), and removeOne() to modify a
+    QStringList. In addition, QStringList provides a few convenience
+    functions that make handling lists of strings easier:
+
+    \tableofcontents
+
+    \section1 Adding strings
+
+    Strings can be added to a list using the \l
+    {QList::append()}{append()}, \l
+    {QList::operator+=()}{operator+=()} and \l
+    {QStringList::operator<<()}{operator<<()} functions. For example:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 0
+
+    \section1 Iterating over the strings
+
+    To iterate over a list, you can either use index positions or
+    QList's Java-style and STL-style iterator types:
+
+    Indexing:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 1
+
+    Java-style iterator:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 2
+
+    STL-style iterator:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 3
+
+    The QStringListIterator class is simply a type definition for
+    QListIterator<QString>. QStringList also provide the
+    QMutableStringListIterator class which is a type definition for
+    QMutableListIterator<QString>.
+
+    \section1 Manipulating the strings
+
+    QStringList provides several functions allowing you to manipulate
+    the contents of a list. You can concatenate all the strings in a
+    string list into a single string (with an optional separator)
+    using the join() function. For example:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 4
+
+    To break up a string into a string list, use the QString::split()
+    function:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 6
+
+    The argument to split can be a single character, a string, or a
+    QRegExp.
+
+    In addition, the \l {QStringList::operator+()}{operator+()}
+    function allows you to concatenate two string lists into one. To
+    sort a string list, use the sort() function.
+
+    QString list also provides the filter() function which lets you
+    to extract a new list which contains only those strings which
+    contain a particular substring (or match a particular regular
+    expression):
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 7
+
+    The contains() function tells you whether the list contains a
+    given string, while the indexOf() function returns the index of
+    the first occurrence of the given string. The lastIndexOf()
+    function on the other hand, returns the index of the last
+    occurrence of the string.
+
+    Finally, the replaceInStrings() function calls QString::replace()
+    on each string in the string list in turn. For example:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 8
+
+    \sa QString
+*/
+
+/*!
+    \fn QStringList::QStringList()
+
+    Constructs an empty string list.
+*/
+
+/*!
+    \fn QStringList::QStringList(const QString &str)
+
+    Constructs a string list that contains the given string, \a
+    str. Longer lists are easily created like this:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 9
+
+    \sa append()
+*/
+
+/*!
+    \fn QStringList::QStringList(const QStringList &other)
+
+    Constructs a copy of the \a other string list.
+
+    This operation takes \l{constant time} because QStringList is
+    \l{implicitly shared}, making the process of returning a
+    QStringList from a function very fast. If a shared instance is
+    modified, it will be copied (copy-on-write), and that takes
+    \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*!
+    \fn QStringList::QStringList(const QList<QString> &other)
+
+    Constructs a copy of \a other.
+
+    This operation takes \l{constant time}, because QStringList is
+    \l{implicitly shared}. This makes returning a QStringList from a
+    function very fast. If a shared instance is modified, it will be
+    copied (copy-on-write), and that takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*!
+    \fn void QStringList::sort()
+
+    Sorts the list of strings in ascending order (case sensitively).
+
+    Sorting is performed using Qt's qSort() algorithm,
+    which operates in \l{linear-logarithmic time}, i.e. O(\e{n} log \e{n}).
+
+    If you want to sort your strings in an arbitrary order, consider
+    using the QMap class. For example, you could use a QMap<QString,
+    QString> to create a case-insensitive ordering (e.g. with the keys
+    being lower-case versions of the strings, and the values being the
+    strings), or a QMap<int, QString> to sort the strings by some
+    integer index.
+
+    \sa qSort()
+*/
+void QtPrivate::QStringList_sort(QStringList *that)
+{
+    qSort(*that);
+}
+
+
+#ifdef QT3_SUPPORT
+/*!
+    \fn QStringList QStringList::split(const QChar &sep, const QString &str, bool allowEmptyEntries)
+
+    \overload
+
+    This version of the function uses a QChar as separator.
+
+    \sa join() QString::section()
+*/
+
+/*!
+    \fn QStringList QStringList::split(const QString &sep, const QString &str, bool allowEmptyEntries)
+
+    \overload
+
+    This version of the function uses a QString as separator.
+
+    \sa join() QString::section()
+*/
+#ifndef QT_NO_REGEXP
+/*!
+    \fn QStringList QStringList::split(const QRegExp &sep, const QString &str, bool allowEmptyEntries)
+
+    Use QString::split(\a sep, QString::SkipEmptyParts) or
+    QString::split(\a sep, QString::KeepEmptyParts) instead.
+
+    Be aware that the QString::split()'s return value is a
+    QStringList that always contains at least one element, even if \a
+    str is empty.
+
+    \sa join() QString::section()
+*/
+#endif
+#endif // QT3_SUPPORT
+
+/*!
+    \fn QStringList QStringList::filter(const QString &str, Qt::CaseSensitivity cs) const
+
+    Returns a list of all the strings containing the substring \a str.
+
+    If \a cs is \l Qt::CaseSensitive (the default), the string
+    comparison is case sensitive; otherwise the comparison is case
+    insensitive.
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 5
+    \snippet doc/src/snippets/qstringlist/main.cpp 10
+
+    This is equivalent to
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 11
+    \snippet doc/src/snippets/qstringlist/main.cpp 12
+
+    \sa contains()
+*/
+QStringList QtPrivate::QStringList_filter(const QStringList *that, const QString &str,
+                                          Qt::CaseSensitivity cs)
+{
+    QStringMatcher matcher(str, cs);
+    QStringList res;
+    for (int i = 0; i < that->size(); ++i)
+        if (matcher.indexIn(that->at(i)) != -1)
+            res << that->at(i);
+    return res;
+}
+
+
+/*!
+    \fn QBool QStringList::contains(const QString &str, Qt::CaseSensitivity cs) const
+
+    Returns true if the list contains the string \a str; otherwise
+    returns false. The search is case insensitive if \a cs is
+    Qt::CaseInsensitive; the search is case sensitive by default.
+
+    \sa indexOf(), lastIndexOf(), QString::contains()
+ */
+QBool QtPrivate::QStringList_contains(const QStringList *that, const QString &str,
+                                      Qt::CaseSensitivity cs)
+{
+    for (int i = 0; i < that->size(); ++i) {
+        const QString & string = that->at(i);
+        if (string.length() == str.length() && str.compare(string, cs) == 0)
+            return QBool(true);
+    }
+    return QBool(false);
+}
+
+#ifndef QT_NO_REGEXP
+/*!
+    \fn QStringList QStringList::filter(const QRegExp &rx) const
+
+    \overload
+
+    Returns a list of all the strings that match the regular
+    expression \a rx.
+*/
+QStringList QtPrivate::QStringList_filter(const QStringList *that, const QRegExp &rx)
+{
+    QStringList res;
+    for (int i = 0; i < that->size(); ++i)
+        if (that->at(i).contains(rx))
+            res << that->at(i);
+    return res;
+}
+#endif
+
+/*!
+    \fn QStringList &QStringList::replaceInStrings(const QString &before, const QString &after, Qt::CaseSensitivity cs)
+
+    Returns a string list where every string has had the \a before
+    text replaced with the \a after text wherever the \a before text
+    is found. The \a before text is matched case-sensitively or not
+    depending on the \a cs flag.
+
+    For example:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 5
+    \snippet doc/src/snippets/qstringlist/main.cpp 13
+
+    \sa QString::replace()
+*/
+void QtPrivate::QStringList_replaceInStrings(QStringList *that, const QString &before,
+                                             const QString &after, Qt::CaseSensitivity cs)
+{
+    for (int i = 0; i < that->size(); ++i)
+        (*that)[i].replace(before, after, cs);
+}
+
+
+#ifndef QT_NO_REGEXP
+/*!
+    \fn QStringList &QStringList::replaceInStrings(const QRegExp &rx, const QString &after)
+    \overload
+
+    Replaces every occurrence of the regexp \a rx, in each of the
+    string lists's strings, with \a after. Returns a reference to the
+    string list.
+
+    For example:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 5
+    \snippet doc/src/snippets/qstringlist/main.cpp 14
+
+    For regular expressions that contain \l{capturing parentheses},
+    occurrences of \bold{\\1}, \bold{\\2}, ..., in \a after are
+    replaced with \a{rx}.cap(1), \a{rx}.cap(2), ...
+
+    For example:
+
+    \snippet doc/src/snippets/qstringlist/main.cpp 5
+    \snippet doc/src/snippets/qstringlist/main.cpp 15
+*/
+void QtPrivate::QStringList_replaceInStrings(QStringList *that, const QRegExp &rx, const QString &after)
+{
+    for (int i = 0; i < that->size(); ++i)
+        (*that)[i].replace(rx, after);
+}
+#endif
+
+/*!
+    \fn QString QStringList::join(const QString &separator) const
+
+    Joins all the string list's strings into a single string with each
+    element separated by the the given \a separator (which can be an
+    empty string).
+
+    \sa QString::split()
+*/
+QString QtPrivate::QStringList_join(const QStringList *that, const QString &sep)
+{
+    QString res;
+    for (int i = 0; i < that->size(); ++i) {
+        if (i)
+            res += sep;
+        res += that->at(i);
+    }
+    return res;
+}
+
+/*!
+    \fn QStringList QStringList::operator+(const QStringList &other) const
+
+    Returns a string list that is the concatenation of this string
+    list with the \a other string list.
+
+    \sa append()
+*/
+
+/*!
+    \fn QStringList &QStringList::operator<<(const QString &str)
+
+    Appends the given string, \a str, to this string list and returns
+    a reference to the string list.
+
+    \sa append()
+*/
+
+/*!
+    \fn QStringList &QStringList::operator<<(const QStringList &other)
+
+    \overload
+
+    Appends the \a other string list to the string list and returns a reference to
+    the latter string list.
+*/
+
+#ifndef QT_NO_DATASTREAM
+/*!
+    \fn QDataStream &operator>>(QDataStream &in, QStringList &list)
+    \relates QStringList
+
+    Reads a string list from the given \a in stream into the specified
+    \a list.
+
+    \sa {Format of the QDataStream Operators}
+*/
+
+/*!
+    \fn QDataStream &operator<<(QDataStream &out, const QStringList &list)
+    \relates QStringList
+
+    Writes the given string \a list to the specified \a out stream.
+
+    \sa {Format of the QDataStream Operators}
+*/
+#endif // QT_NO_DATASTREAM
+
+/*!
+    \fn QStringList QStringList::grep(const QString &str, bool cs = true) const
+
+    Use filter() instead.
+*/
+
+/*!
+    \fn QStringList QStringList::grep(const QRegExp &rx) const
+
+    Use filter() instead.
+*/
+
+/*!
+    \fn QStringList &QStringList::gres(const QString &before, const QString &after, bool cs = true)
+
+    Use replaceInStrings() instead.
+*/
+
+/*!
+    \fn QStringList &QStringList::gres(const QRegExp &rx, const QString &after)
+
+    Use replaceInStrings() instead.
+*/
+
+/*!
+    \fn Iterator QStringList::fromLast()
+
+    Use end() instead.
+
+    \oldcode
+    QStringList::Iterator i = list.fromLast();
+    \newcode
+    QStringList::Iterator i = list.isEmpty() ? list.end() : --list.end();
+    \endcode
+*/
+
+/*!
+    \fn ConstIterator QStringList::fromLast() const
+
+    Use end() instead.
+
+    \oldcode
+    QStringList::ConstIterator i = list.fromLast();
+    \newcode
+    QStringList::ConstIterator i = list.isEmpty() ? list.end() : --list.end();
+    \endcode
+*/
+
+
+#ifndef QT_NO_REGEXP
+static int indexOfMutating(const QStringList *that, QRegExp &rx, int from)
+{
+    if (from < 0)
+        from = qMax(from + that->size(), 0);
+    for (int i = from; i < that->size(); ++i) {
+        if (rx.exactMatch(that->at(i)))
+            return i;
+    }
+    return -1;
+}
+
+static int lastIndexOfMutating(const QStringList *that, QRegExp &rx, int from)
+{
+    if (from < 0)
+        from += that->size();
+    else if (from >= that->size())
+        from = that->size() - 1;
+    for (int i = from; i >= 0; --i) {
+        if (rx.exactMatch(that->at(i)))
+            return i;
+        }
+    return -1;
+}
+
+/*!
+    \fn int QStringList::indexOf(const QRegExp &rx, int from) const
+
+    Returns the index position of the first exact match of \a rx in
+    the list, searching forward from index position \a from. Returns
+    -1 if no item matched.
+
+    By default, this function is case sensitive.
+
+    \sa lastIndexOf(), contains(), QRegExp::exactMatch()
+*/
+int QtPrivate::QStringList_indexOf(const QStringList *that, const QRegExp &rx, int from)
+{
+    QRegExp rx2(rx);
+    return indexOfMutating(that, rx2, from);
+}
+
+/*!
+    \fn int QStringList::indexOf(QRegExp &rx, int from) const
+    \overload indexOf()
+    \since 4.5
+
+    Returns the index position of the first exact match of \a rx in
+    the list, searching forward from index position \a from. Returns
+    -1 if no item matched.
+
+    By default, this function is case sensitive.
+
+    If an item matched, the \a rx regular expression will contain the
+    matched objects (see QRegExp::matchedLength, QRegExp::cap).
+
+    \sa lastIndexOf(), contains(), QRegExp::exactMatch()
+*/
+int QtPrivate::QStringList_indexOf(const QStringList *that, QRegExp &rx, int from)
+{
+    return indexOfMutating(that, rx, from);
+}
+
+/*!
+    \fn int QStringList::lastIndexOf(const QRegExp &rx, int from) const
+
+    Returns the index position of the last exact match of \a rx in
+    the list, searching backward from index position \a from. If \a
+    from is -1 (the default), the search starts at the last item.
+    Returns -1 if no item matched.
+
+    By default, this function is case sensitive.
+
+    \sa indexOf(), contains(), QRegExp::exactMatch()
+*/
+int QtPrivate::QStringList_lastIndexOf(const QStringList *that, const QRegExp &rx, int from)
+{
+    QRegExp rx2(rx);
+    return lastIndexOfMutating(that, rx2, from);
+}
+
+/*!
+    \fn int QStringList::lastIndexOf(QRegExp &rx, int from) const
+    \overload lastIndexOf()
+    \since 4.5
+
+    Returns the index position of the last exact match of \a rx in
+    the list, searching backward from index position \a from. If \a
+    from is -1 (the default), the search starts at the last item.
+    Returns -1 if no item matched.
+
+    By default, this function is case sensitive.
+
+    If an item matched, the \a rx regular expression will contain the
+    matched objects (see QRegExp::matchedLength, QRegExp::cap).
+
+    \sa indexOf(), contains(), QRegExp::exactMatch()
+*/
+int QtPrivate::QStringList_lastIndexOf(const QStringList *that, QRegExp &rx, int from)
+{
+    return lastIndexOfMutating(that, rx, from);
+}
+#endif
+
+/*!
+    \fn int QStringList::indexOf(const QString &value, int from = 0) const
+
+    Returns the index position of the first occurrence of \a value in
+    the list, searching forward from index position \a from. Returns
+    -1 if no item matched.
+
+    By default, this function is case sensitive.
+
+    \sa lastIndexOf(), contains(), QList::indexOf()
+*/
+
+/*!
+    \fn int QStringList::lastIndexOf(const QString &value, int from = -1) const
+
+    Returns the index position of the last occurrence of \a value in
+    the list, searching backward from index position \a from. If \a
+    from is -1 (the default), the search starts at the last item.
+    Returns -1 if no item matched.
+
+    By default, this function is case sensitive.
+
+    \sa indexOf(), QList::lastIndexOf()
+*/
+
+/*!
+    \fn int QStringList::removeDuplicates()
+
+    \since  4.5
+
+    This function removes duplicate entries from a list.
+    The entries do not have to be sorted. They will retain their
+    original order.
+
+    Returns the number of removed entries.
+*/
+int QtPrivate::QStringList_removeDuplicates(QStringList *that)
+{
+    int n = that->size();
+    int j = 0;
+    QSet<QString> seen;
+    seen.reserve(n);
+    for (int i = 0; i < n; ++i) {
+        const QString &s = that->at(i);
+        if (seen.contains(s))
+            continue;
+        seen.insert(s);
+        if (j != i)
+            (*that)[j] = s;
+        ++j;
+    }
+    if (n != j)
+        that->erase(that->begin() + j, that->end());
+    return n - j;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qstringlist.h b/src/corelib/tools/qstringlist.h
new file mode 100644
index 0000000000..37f7ff2b92
--- /dev/null
+++ b/src/corelib/tools/qstringlist.h
@@ -0,0 +1,259 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSTRINGLIST_H
+#define QSTRINGLIST_H
+
+#include <QtCore/qalgorithms.h>
+#include <QtCore/qdatastream.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qregexp.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qstringmatcher.h>
+#ifdef QT_INCLUDE_COMPAT
+#include <Qt3Support/q3valuelist.h>
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QRegExp;
+
+typedef QListIterator<QString> QStringListIterator;
+typedef QMutableListIterator<QString> QMutableStringListIterator;
+
+class QStringList : public QList<QString>
+{
+public:
+    inline QStringList() { }
+    inline explicit QStringList(const QString &i) { append(i); }
+    inline QStringList(const QStringList &l) : QList<QString>(l) { }
+    inline QStringList(const QList<QString> &l) : QList<QString>(l) { }
+
+    inline void sort();
+    inline int removeDuplicates();
+
+    inline QString join(const QString &sep) const;
+
+    inline QStringList filter(const QString &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    inline QBool contains(const QString &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+
+    inline QStringList &replaceInStrings(const QString &before, const QString &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+
+    inline QStringList operator+(const QStringList &other) const
+    { QStringList n = *this; n += other; return n; }
+    inline QStringList &operator<<(const QString &str)
+    { append(str); return *this; }
+    inline QStringList &operator<<(const QStringList &l)
+    { *this += l; return *this; }
+
+#ifndef QT_NO_REGEXP
+    inline QStringList filter(const QRegExp &rx) const;
+    inline QStringList &replaceInStrings(const QRegExp &rx, const QString &after);
+    inline int indexOf(const QRegExp &rx, int from = 0) const;
+    inline int lastIndexOf(const QRegExp &rx, int from = -1) const;
+    inline int indexOf(QRegExp &rx, int from = 0) const;
+    inline int lastIndexOf(QRegExp &rx, int from = -1) const;
+#endif
+#if !defined(Q_NO_USING_KEYWORD)
+    using QList<QString>::indexOf;
+    using QList<QString>::lastIndexOf;
+#else
+    inline int indexOf(const QString &str, int from = 0) const
+    { return QList<QString>::indexOf(str, from); }
+    inline int lastIndexOf(const QString &str, int from = -1) const
+    { return QList<QString>::lastIndexOf(str, from); }
+#endif
+#ifdef QT3_SUPPORT
+    static inline QT3_SUPPORT QStringList split(const QString &sep, const QString &str, bool allowEmptyEntries = false);
+    static inline QT3_SUPPORT QStringList split(const QChar &sep, const QString &str, bool allowEmptyEntries = false);
+    inline QT3_SUPPORT QStringList grep(const QString &str, bool cs = true) const
+        { return filter(str, cs ? Qt::CaseSensitive : Qt::CaseInsensitive); }
+
+#ifndef QT_NO_REGEXP
+    static inline QT3_SUPPORT QStringList split(const QRegExp &sep, const QString &str, bool allowEmptyEntries = false);
+    inline QT3_SUPPORT QStringList grep(const QRegExp &rx) const { return filter(rx); }
+    inline QT3_SUPPORT QStringList &gres(const QRegExp &rx, const QString &after)
+        { return replaceInStrings(rx, after); }
+#endif
+    inline QT3_SUPPORT QStringList &gres(const QString &before, const QString &after, bool cs = true)
+        { return replaceInStrings(before, after, cs ? Qt::CaseSensitive : Qt::CaseInsensitive); }
+
+    inline Iterator QT3_SUPPORT fromLast() { return (isEmpty() ? end() : --end()); }
+    inline ConstIterator QT3_SUPPORT fromLast() const { return (isEmpty() ? end() : --end()); }
+#endif
+};
+
+namespace QtPrivate {
+    void Q_CORE_EXPORT QStringList_sort(QStringList *that);
+    int Q_CORE_EXPORT QStringList_removeDuplicates(QStringList *that);
+    QString Q_CORE_EXPORT QStringList_join(const QStringList *that, const QString &sep);
+    QStringList Q_CORE_EXPORT QStringList_filter(const QStringList *that, const QString &str,
+                                               Qt::CaseSensitivity cs);
+
+    QBool Q_CORE_EXPORT QStringList_contains(const QStringList *that, const QString &str, Qt::CaseSensitivity cs);
+    void Q_CORE_EXPORT QStringList_replaceInStrings(QStringList *that, const QString &before, const QString &after,
+                                      Qt::CaseSensitivity cs);
+
+#ifndef QT_NO_REGEXP
+    void Q_CORE_EXPORT QStringList_replaceInStrings(QStringList *that, const QRegExp &rx, const QString &after);
+    QStringList Q_CORE_EXPORT QStringList_filter(const QStringList *that, const QRegExp &re);
+    int Q_CORE_EXPORT QStringList_indexOf(const QStringList *that, const QRegExp &rx, int from);
+    int Q_CORE_EXPORT QStringList_lastIndexOf(const QStringList *that, const QRegExp &rx, int from);
+    int Q_CORE_EXPORT QStringList_indexOf(const QStringList *that, QRegExp &rx, int from);
+    int Q_CORE_EXPORT QStringList_lastIndexOf(const QStringList *that, QRegExp &rx, int from);
+#endif
+}
+
+inline void QStringList::sort()
+{
+    QtPrivate::QStringList_sort(this);
+}
+
+inline int QStringList::removeDuplicates()
+{
+    return QtPrivate::QStringList_removeDuplicates(this);
+}
+
+inline QString QStringList::join(const QString &sep) const
+{
+    return QtPrivate::QStringList_join(this, sep);
+}
+
+inline QStringList QStringList::filter(const QString &str, Qt::CaseSensitivity cs) const
+{
+    return QtPrivate::QStringList_filter(this, str, cs);
+}
+
+inline QBool QStringList::contains(const QString &str, Qt::CaseSensitivity cs) const
+{
+    return QtPrivate::QStringList_contains(this, str, cs);
+}
+
+inline QStringList &QStringList::replaceInStrings(const QString &before, const QString &after, Qt::CaseSensitivity cs)
+{
+    QtPrivate::QStringList_replaceInStrings(this, before, after, cs);
+    return *this;
+}
+
+#ifndef QT_NO_REGEXP
+inline QStringList &QStringList::replaceInStrings(const QRegExp &rx, const QString &after)
+{
+    QtPrivate::QStringList_replaceInStrings(this, rx, after);
+    return *this;
+}
+
+inline QStringList QStringList::filter(const QRegExp &rx) const
+{
+    return QtPrivate::QStringList_filter(this, rx);
+}
+
+inline int QStringList::indexOf(const QRegExp &rx, int from) const
+{
+    return QtPrivate::QStringList_indexOf(this, rx, from);
+}
+
+inline int QStringList::lastIndexOf(const QRegExp &rx, int from) const
+{
+    return QtPrivate::QStringList_lastIndexOf(this, rx, from);
+}
+
+inline int QStringList::indexOf(QRegExp &rx, int from) const
+{
+    return QtPrivate::QStringList_indexOf(this, rx, from);
+}
+
+inline int QStringList::lastIndexOf(QRegExp &rx, int from) const
+{
+    return QtPrivate::QStringList_lastIndexOf(this, rx, from);
+}
+#endif
+
+
+#ifdef QT3_SUPPORT
+inline QStringList QStringList::split(const QChar &sep, const QString &str, bool allowEmptyEntries)
+{
+    if (str.isEmpty())
+        return QStringList();
+    return str.split(sep, allowEmptyEntries ? QString::KeepEmptyParts
+                                            : QString::SkipEmptyParts);
+}
+
+inline QStringList QStringList::split(const QString &sep, const QString &str, bool allowEmptyEntries)
+{
+    if (str.isEmpty())
+        return QStringList();
+    return str.split(sep, allowEmptyEntries ? QString::KeepEmptyParts
+                                            : QString::SkipEmptyParts);
+}
+
+#ifndef QT_NO_REGEXP
+inline QStringList QStringList::split(const QRegExp &sep, const QString &str, bool allowEmptyEntries)
+{
+    if (str.isEmpty())
+        return QStringList();
+    return str.split(sep, allowEmptyEntries ? QString::KeepEmptyParts
+                                            : QString::SkipEmptyParts);
+}
+#endif // QT_NO_REGEXP
+
+#endif // QT3_SUPPORT
+
+
+#ifndef QT_NO_DATASTREAM
+inline QDataStream &operator>>(QDataStream &in, QStringList &list)
+{
+    return operator>>(in, static_cast<QList<QString> &>(list));
+}
+inline QDataStream &operator<<(QDataStream &out, const QStringList &list)
+{
+    return operator<<(out, static_cast<const QList<QString> &>(list));
+}
+#endif // QT_NO_DATASTREAM
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSTRINGLIST_H
diff --git a/src/corelib/tools/qstringmatcher.cpp b/src/corelib/tools/qstringmatcher.cpp
new file mode 100644
index 0000000000..badc4c6115
--- /dev/null
+++ b/src/corelib/tools/qstringmatcher.cpp
@@ -0,0 +1,323 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qstringmatcher.h"
+#include "qunicodetables_p.h"
+
+QT_BEGIN_NAMESPACE
+
+static void bm_init_skiptable(const ushort *uc, int len, uchar *skiptable, Qt::CaseSensitivity cs)
+{
+    int l = qMin(len, 255);
+    memset(skiptable, l, 256*sizeof(uchar));
+    uc += len - l;
+    if (cs == Qt::CaseSensitive) {
+        while (l--) {
+            skiptable[*uc & 0xff] = l;
+            uc++;
+        }
+    } else {
+        const ushort *start = uc;
+        while (l--) {
+            skiptable[foldCase(uc, start) & 0xff] = l;
+            uc++;
+        }
+    }
+}
+
+static inline int bm_find(const ushort *uc, uint l, int index, const ushort *puc, uint pl,
+                          const uchar *skiptable, Qt::CaseSensitivity cs)
+{
+    if (pl == 0)
+        return index > (int)l ? -1 : index;
+    const uint pl_minus_one = pl - 1;
+
+    register const ushort *current = uc + index + pl_minus_one;
+    const ushort *end = uc + l;
+    if (cs == Qt::CaseSensitive) {
+        while (current < end) {
+            uint skip = skiptable[*current & 0xff];
+            if (!skip) {
+                // possible match
+                while (skip < pl) {
+                    if (*(current - skip) != puc[pl_minus_one-skip])
+                        break;
+                    skip++;
+                }
+                if (skip > pl_minus_one) // we have a match
+                    return (current - uc) - pl_minus_one;
+
+                // in case we don't have a match we are a bit inefficient as we only skip by one
+                // when we have the non matching char in the string.
+                if (skiptable[*(current - skip) & 0xff] == pl)
+                    skip = pl - skip;
+                else
+                    skip = 1;
+            }
+            if (current > end - skip)
+                break;
+            current += skip;
+        }
+    } else {
+        while (current < end) {
+            uint skip = skiptable[foldCase(current, uc) & 0xff];
+            if (!skip) {
+                // possible match
+                while (skip < pl) {
+                    if (foldCase(current - skip, uc) != foldCase(puc + pl_minus_one - skip, puc))
+                        break;
+                    skip++;
+                }
+                if (skip > pl_minus_one) // we have a match
+                    return (current - uc) - pl_minus_one;
+                // in case we don't have a match we are a bit inefficient as we only skip by one
+                // when we have the non matching char in the string.
+                if (skiptable[foldCase(current - skip, uc) & 0xff] == pl)
+                    skip = pl - skip;
+                else
+                    skip = 1;
+            }
+            if (current > end - skip)
+                break;
+            current += skip;
+        }
+    }
+    return -1; // not found
+}
+
+/*!
+    \class QStringMatcher
+    \brief The QStringMatcher class holds a sequence of characters that
+    can be quickly matched in a Unicode string.
+
+    \ingroup tools
+    \ingroup text
+
+    This class is useful when you have a sequence of \l{QChar}s that
+    you want to repeatedly match against some strings (perhaps in a
+    loop), or when you want to search for the same sequence of
+    characters multiple times in the same string. Using a matcher
+    object and indexIn() is faster than matching a plain QString with
+    QString::indexOf() if repeated matching takes place. This class
+    offers no benefit if you are doing one-off string matches.
+
+    Create the QStringMatcher with the QString you want to search
+    for. Then call indexIn() on the QString that you want to search.
+
+    \sa QString, QByteArrayMatcher, QRegExp
+*/
+
+/*!
+    Constructs an empty string matcher that won't match anything.
+    Call setPattern() to give it a pattern to match.
+*/
+QStringMatcher::QStringMatcher()
+    : d_ptr(0), q_cs(Qt::CaseSensitive)
+{
+    qMemSet(q_data, 0, sizeof(q_data));
+}
+
+/*!
+    Constructs a string matcher that will search for \a pattern, with
+    case sensitivity \a cs.
+
+    Call indexIn() to perform a search.
+*/
+QStringMatcher::QStringMatcher(const QString &pattern, Qt::CaseSensitivity cs)
+    : d_ptr(0), q_pattern(pattern), q_cs(cs)
+{
+    p.uc = pattern.unicode();
+    p.len = pattern.size();
+    bm_init_skiptable((const ushort *)p.uc, p.len, p.q_skiptable, cs);
+}
+
+/*!
+    \fn QStringMatcher::QStringMatcher(const QChar *uc, int length, Qt::CaseSensitivity cs)
+    \since 4.5
+
+    Constructs a string matcher that will search for the pattern referred to
+    by \a uc with the given \a length and case sensitivity specified by \a cs.
+*/
+QStringMatcher::QStringMatcher(const QChar *uc, int len, Qt::CaseSensitivity cs)
+    : d_ptr(0), q_cs(cs)
+{
+    p.uc = uc;
+    p.len = len;
+    bm_init_skiptable((const ushort *)p.uc, len, p.q_skiptable, cs);
+}
+
+/*!
+    Copies the \a other string matcher to this string matcher.
+*/
+QStringMatcher::QStringMatcher(const QStringMatcher &other)
+    : d_ptr(0)
+{
+    operator=(other);
+}
+
+/*!
+    Destroys the string matcher.
+*/
+QStringMatcher::~QStringMatcher()
+{
+}
+
+/*!
+    Assigns the \a other string matcher to this string matcher.
+*/
+QStringMatcher &QStringMatcher::operator=(const QStringMatcher &other)
+{
+    if (this != &other) {
+        q_pattern = other.q_pattern;
+        q_cs = other.q_cs;
+        qMemCopy(q_data, other.q_data, sizeof(q_data));
+    }
+    return *this;
+}
+
+/*!
+    Sets the string that this string matcher will search for to \a
+    pattern.
+
+    \sa pattern(), setCaseSensitivity(), indexIn()
+*/
+void QStringMatcher::setPattern(const QString &pattern)
+{
+    q_pattern = pattern;
+    p.uc = pattern.unicode();
+    p.len = pattern.size();
+    bm_init_skiptable((const ushort *)pattern.unicode(), pattern.size(), p.q_skiptable, q_cs);
+}
+
+/*!
+    \fn QString QStringMatcher::pattern() const
+
+    Returns the string pattern that this string matcher will search
+    for.
+
+    \sa setPattern()
+*/
+
+QString QStringMatcher::pattern() const
+{
+    if (!q_pattern.isEmpty())
+        return q_pattern;
+    return QString(p.uc, p.len);
+}
+
+/*!
+    Sets the case sensitivity setting of this string matcher to \a
+    cs.
+
+    \sa caseSensitivity(), setPattern(), indexIn()
+*/
+void QStringMatcher::setCaseSensitivity(Qt::CaseSensitivity cs)
+{
+    if (cs == q_cs)
+        return;
+    bm_init_skiptable((const ushort *)q_pattern.unicode(), q_pattern.size(), p.q_skiptable, cs);
+    q_cs = cs;
+}
+
+/*!
+    Searches the string \a str from character position \a from
+    (default 0, i.e. from the first character), for the string
+    pattern() that was set in the constructor or in the most recent
+    call to setPattern(). Returns the position where the pattern()
+    matched in \a str, or -1 if no match was found.
+
+    \sa setPattern(), setCaseSensitivity()
+*/
+int QStringMatcher::indexIn(const QString &str, int from) const
+{
+    if (from < 0)
+        from = 0;
+    return bm_find((const ushort *)str.unicode(), str.size(), from,
+                   (const ushort *)p.uc, p.len,
+                   p.q_skiptable, q_cs);
+}
+
+/*!
+    \since 4.5
+
+    Searches the string starting at \a str (of length \a length) from
+    character position \a from (default 0, i.e. from the first
+    character), for the string pattern() that was set in the
+    constructor or in the most recent call to setPattern(). Returns
+    the position where the pattern() matched in \a str, or -1 if no
+    match was found.
+
+    \sa setPattern(), setCaseSensitivity()
+*/
+int QStringMatcher::indexIn(const QChar *str, int length, int from) const
+{
+    if (from < 0)
+        from = 0;
+    return bm_find((const ushort *)str, length, from,
+                   (const ushort *)p.uc, p.len,
+                   p.q_skiptable, q_cs);
+}
+
+/*!
+    \fn Qt::CaseSensitivity QStringMatcher::caseSensitivity() const
+
+    Returns the case sensitivity setting for this string matcher.
+
+    \sa setCaseSensitivity()
+*/
+
+/*!
+    \internal
+*/
+
+int qFindStringBoyerMoore(
+    const QChar *haystack, int haystackLen, int haystackOffset,
+    const QChar *needle, int needleLen, Qt::CaseSensitivity cs)
+{
+    uchar skiptable[256];
+    bm_init_skiptable((const ushort *)needle, needleLen, skiptable, cs);
+    if (haystackOffset < 0)
+        haystackOffset = 0;
+    return bm_find((const ushort *)haystack, haystackLen, haystackOffset,
+                   (const ushort *)needle, needleLen, skiptable, cs);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qstringmatcher.h b/src/corelib/tools/qstringmatcher.h
new file mode 100644
index 0000000000..26fe0dc432
--- /dev/null
+++ b/src/corelib/tools/qstringmatcher.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSTRINGMATCHER_H
+#define QSTRINGMATCHER_H
+
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QStringMatcherPrivate;
+
+class Q_CORE_EXPORT QStringMatcher
+{
+public:
+    QStringMatcher();
+    QStringMatcher(const QString &pattern,
+                   Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QStringMatcher(const QChar *uc, int len,
+                   Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    QStringMatcher(const QStringMatcher &other);
+    ~QStringMatcher();
+
+    QStringMatcher &operator=(const QStringMatcher &other);
+
+    void setPattern(const QString &pattern);
+    void setCaseSensitivity(Qt::CaseSensitivity cs);
+
+    int indexIn(const QString &str, int from = 0) const;
+    int indexIn(const QChar *str, int length, int from = 0) const;
+    QString pattern() const;
+    inline Qt::CaseSensitivity caseSensitivity() const { return q_cs; }
+
+private:
+    QStringMatcherPrivate *d_ptr;
+    QString q_pattern;
+    Qt::CaseSensitivity q_cs;
+#ifdef Q_CC_RVCT
+// explicitely allow anonymous unions for RVCT to prevent compiler warnings
+#pragma anon_unions
+#endif
+    union {
+        uint q_data[256];
+        struct {
+            uchar q_skiptable[256];
+            const QChar *uc;
+            int len;
+        } p;
+    };
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSTRINGMATCHER_H
diff --git a/src/corelib/tools/qtextboundaryfinder.cpp b/src/corelib/tools/qtextboundaryfinder.cpp
new file mode 100644
index 0000000000..bc9b675324
--- /dev/null
+++ b/src/corelib/tools/qtextboundaryfinder.cpp
@@ -0,0 +1,476 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "private/qharfbuzz_p.h"
+#include <QtCore/qtextboundaryfinder.h>
+#include <QtCore/qvarlengtharray.h>
+#include <private/qunicodetables_p.h>
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+class QTextBoundaryFinderPrivate
+{
+public:
+    HB_CharAttributes attributes[1];
+};
+
+static void init(QTextBoundaryFinder::BoundaryType type, const QChar *chars, int length, HB_CharAttributes *attributes)
+{
+    QVarLengthArray<HB_ScriptItem> scriptItems;
+
+    const ushort *string = reinterpret_cast<const ushort *>(chars);
+    const ushort *unicode = string;
+    // correctly assign script, isTab and isObject to the script analysis
+    const ushort *uc = unicode;
+    const ushort *e = uc + length;
+    int script = QUnicodeTables::Common;
+    int lastScript = QUnicodeTables::Common;
+    const ushort *start = uc;
+    while (uc < e) {
+        int s = QUnicodeTables::script(*uc);
+        if (s != QUnicodeTables::Inherited)
+            script = s;
+        if (*uc == QChar::ObjectReplacementCharacter || *uc == QChar::LineSeparator || *uc == 9) 
+            script = QUnicodeTables::Common;
+        if (script != lastScript) {
+            if (uc != start) {
+                HB_ScriptItem item;
+                item.pos = start - string;
+                item.length = uc - start;
+                item.script = (HB_Script)lastScript;
+                item.bidiLevel = 0; // ### what's the proper value?
+                scriptItems.append(item);
+                start = uc;
+            }
+            lastScript = script;
+        }
+        ++uc;
+    }
+    if (uc != start) {
+        HB_ScriptItem item;
+        item.pos = start - string;
+        item.length = uc - start;
+        item.script = (HB_Script)lastScript;
+        item.bidiLevel = 0; // ### what's the proper value?
+        scriptItems.append(item);
+    }
+
+    qGetCharAttributes(string, length, scriptItems.data(), scriptItems.count(), attributes);
+    if (type == QTextBoundaryFinder::Word)
+        HB_GetWordBoundaries(string, length, scriptItems.data(), scriptItems.count(), attributes);
+    else if (type == QTextBoundaryFinder::Sentence)
+        HB_GetSentenceBoundaries(string, length, scriptItems.data(), scriptItems.count(), attributes);
+}
+
+/*! \class QTextBoundaryFinder
+
+    \brief The QTextBoundaryFinder class provides a way of finding Unicode text boundaries in a string.
+
+    \since 4.4
+    \ingroup tools
+    \ingroup shared
+    \ingroup text
+    \reentrant
+
+    QTextBoundaryFinder allows to find Unicode text boundaries in a
+    string, similar to the Unicode text boundary specification (see
+    http://www.unicode.org/reports/tr29/tr29-11.html).
+
+    QTextBoundaryFinder can operate on a QString in four possible
+    modes depending on the value of \a BoundaryType.
+
+    Units of Unicode characters that make up what the user thinks of
+    as a character or basic unit of the language are here called
+    Grapheme clusters. The two unicode characters 'A' + diaeresis do
+    for example form one grapheme cluster as the user thinks of them
+    as one character, yet it is in this case represented by two
+    unicode code points.
+
+    Word boundaries are there to locate the start and end of what a
+    language considers to be a word.
+
+    Line break boundaries give possible places where a line break
+    might happen and sentence boundaries will show the beginning and
+    end of whole sentences.
+*/
+
+/*!
+    \enum QTextBoundaryFinder::BoundaryType
+
+    \value Grapheme Finds a grapheme which is the smallest boundary. It
+    including letters, punctation marks, numerals and more.
+    \value Word Finds a word.
+    \value Line Finds possible positions for breaking the text into multiple
+    lines.
+    \value Sentence Finds sentence boundaries. These include periods, question
+    marks etc.
+*/
+
+/*!
+  \enum QTextBoundaryFinder::BoundaryReason
+
+  \value NotAtBoundary  The boundary finder is not at a boundary position.
+  \value StartWord  The boundary finder is at the start of a word.
+  \value EndWord  The boundary finder is at the end of a word.
+*/
+
+/*!
+  Constructs an invalid QTextBoundaryFinder object.
+*/
+QTextBoundaryFinder::QTextBoundaryFinder()
+    : t(Grapheme)
+    , chars(0)
+    , length(0)
+    , freePrivate(true)
+    , d(0)
+{
+}
+
+/*!
+  Copies the QTextBoundaryFinder object, \a other.
+*/
+QTextBoundaryFinder::QTextBoundaryFinder(const QTextBoundaryFinder &other)
+    : t(other.t)
+    , s(other.s)
+    , chars(other.chars)
+    , length(other.length)
+    , pos(other.pos)
+    , freePrivate(true)
+{
+    d = (QTextBoundaryFinderPrivate *) malloc(length*sizeof(HB_CharAttributes));
+    memcpy(d, other.d, length*sizeof(HB_CharAttributes));
+}
+
+/*!
+  Assigns the object, \a other, to another QTextBoundaryFinder object.
+*/
+QTextBoundaryFinder &QTextBoundaryFinder::operator=(const QTextBoundaryFinder &other)
+{
+    if (&other == this)
+        return *this;
+
+    t = other.t;
+    s = other.s;
+    chars = other.chars;
+    length = other.length;
+    pos = other.pos;
+    freePrivate = true;
+    
+    d = (QTextBoundaryFinderPrivate *) realloc(d, length*sizeof(HB_CharAttributes));
+    memcpy(d, other.d, length*sizeof(HB_CharAttributes));
+
+    return *this;
+}
+
+/*!
+  Destructs the QTextBoundaryFinder object.
+*/
+QTextBoundaryFinder::~QTextBoundaryFinder()
+{
+    if (freePrivate)
+        free(d);
+}
+
+/*!
+  Creates a QTextBoundaryFinder object of \a type operating on \a string.
+*/
+QTextBoundaryFinder::QTextBoundaryFinder(BoundaryType type, const QString &string)
+    : t(type)
+    , s(string)
+    , chars(string.unicode())
+    , length(string.length())
+    , pos(0)
+    , freePrivate(true)
+{
+    d = (QTextBoundaryFinderPrivate *) malloc(length*sizeof(HB_CharAttributes));
+    init(t, chars, length, d->attributes);
+}
+
+/*!
+  Creates a QTextBoundaryFinder object of \a type operating on \a chars
+  with \a length.
+
+  \a buffer is an optional working buffer of size \a bufferSize you can pass to
+  the QTextBoundaryFinder. If the buffer is large enough to hold the working
+  data required, it will use this instead of allocating its own buffer.
+
+  \warning QTextBoundaryFinder does not create a copy of \a chars. It is the
+  application programmer's responsability to ensure the array is allocated for
+  as long as the QTextBoundaryFinder object stays alive. The same applies to
+  \a buffer.
+*/
+QTextBoundaryFinder::QTextBoundaryFinder(BoundaryType type, const QChar *chars, int length, unsigned char *buffer, int bufferSize)
+    : t(type)
+    , chars(chars)
+    , length(length)
+    , pos(0)
+{
+    if (buffer && (uint)bufferSize >= length*sizeof(HB_CharAttributes)) {
+        d = (QTextBoundaryFinderPrivate *)buffer;
+        freePrivate = false;
+    } else {
+        d = (QTextBoundaryFinderPrivate *) malloc(length*sizeof(HB_CharAttributes));
+        freePrivate = true;
+    }
+    init(t, chars, length, d->attributes);
+}
+
+/*!
+  Moves the finder to the start of the string. This is equivalent to setPosition(0).
+
+  \sa setPosition(), position()
+*/
+void QTextBoundaryFinder::toStart()
+{
+    pos = 0;
+}
+
+/*!
+  Moves the finder to the end of the string. This is equivalent to setPosition(string.length()).
+
+  \sa setPosition(), position()
+*/
+void QTextBoundaryFinder::toEnd()
+{
+    pos = length;
+}
+
+/*!
+  Returns the current position of the QTextBoundaryFinder.
+
+  The range is from 0 (the beginning of the string) to the length of
+  the string inclusive.
+
+  \sa setPosition()
+*/
+int QTextBoundaryFinder::position() const
+{
+    return pos;
+}
+
+/*!
+  Sets the current position of the QTextBoundaryFinder to \a position.
+
+  If \a position is out of bounds, it will be bound to only valid
+  positions. In this case, valid positions are from 0 to the length of
+  the string inclusive.
+
+  \sa position()
+*/
+void QTextBoundaryFinder::setPosition(int position)
+{
+    pos = qBound(0, position, length);
+}
+
+/*! \fn QTextBoundaryFinder::BoundaryType QTextBoundaryFinder::type() const
+
+  Returns the type of the QTextBoundaryFinder.
+*/
+
+/*! \fn bool QTextBoundaryFinder::isValid() const
+
+   Returns true if the text boundary finder is valid; otherwise returns false.
+   A default QTextBoundaryFinder is invalid.
+*/
+
+/*!
+  Returns the string  the QTextBoundaryFinder object operates on.
+*/
+QString QTextBoundaryFinder::string() const
+{
+    if (chars == s.unicode() && length == s.length())
+        return s;
+    return QString(chars, length);
+}
+
+
+/*!
+  Moves the QTextBoundaryFinder to the next boundary position and returns that position.
+
+  Returns -1 is there is no next boundary.
+*/
+int QTextBoundaryFinder::toNextBoundary()
+{
+    if (!d) {
+        pos = -1;
+        return pos;
+    }
+
+    if (pos < 0 || pos >= length) {
+        pos = -1;
+        return pos;
+    }
+    ++pos;
+    if (pos == length)
+        return pos;
+    
+    switch(t) {
+    case Grapheme:
+        while (pos < length && !d->attributes[pos].charStop)
+            ++pos;
+        break;
+    case Word:
+        while (pos < length && !d->attributes[pos].wordBoundary)
+            ++pos;
+        break;
+    case Sentence:
+        while (pos < length && !d->attributes[pos].sentenceBoundary)
+            ++pos;
+        break;
+    case Line:
+        while (pos < length && d->attributes[pos].lineBreakType < HB_Break)
+            ++pos;
+        break;
+    }
+
+    return pos;
+}
+
+/*!
+  Moves the QTextBoundaryFinder to the previous boundary position and returns that position.
+
+  Returns -1 is there is no previous boundary.
+*/
+int QTextBoundaryFinder::toPreviousBoundary()
+{
+    if (!d) {
+        pos = -1;
+        return pos;
+    }
+
+    if (pos <= 0 || pos > length) {
+        pos = -1;
+        return pos;
+    }
+    --pos;
+    if (pos == 0)
+        return pos;
+
+    switch(t) {
+    case Grapheme:
+        while (pos > 0 && !d->attributes[pos].charStop)
+            --pos;
+        break;
+    case Word:
+        while (pos > 0 && !d->attributes[pos].wordBoundary)
+            --pos;
+        break;
+    case Sentence:
+        while (pos > 0 && !d->attributes[pos].sentenceBoundary)
+            --pos;
+        break;
+    case Line:
+        while (pos > 0 && d->attributes[pos].lineBreakType < HB_Break)
+            --pos;
+        break;
+    }
+
+    return pos;
+}
+
+/*!
+  Returns true if the object's position() is currently at a valid text boundary.
+*/
+bool QTextBoundaryFinder::isAtBoundary() const
+{
+    if (!d || pos < 0)
+        return false;
+
+    if (pos == length)
+        return true;
+
+    switch(t) {
+    case Grapheme:
+        return d->attributes[pos].charStop;
+    case Word:
+        return d->attributes[pos].wordBoundary;
+    case Line:
+        return d->attributes[pos].lineBreakType >= HB_Break;
+    case Sentence:
+        return d->attributes[pos].sentenceBoundary;
+    }
+    return false;
+}
+
+/*!
+  Returns the reasons for the boundary finder to have chosen the current position as a boundary.
+*/
+QTextBoundaryFinder::BoundaryReasons QTextBoundaryFinder::boundaryReasons() const
+{
+    if (!d)
+        return NotAtBoundary;
+    if (! isAtBoundary())
+        return NotAtBoundary;
+    if (pos == 0) {
+        if (d->attributes[pos].whiteSpace)
+            return NotAtBoundary;
+        return StartWord;
+    }
+    if (pos >= length - 1) {
+        if (d->attributes[length-1].whiteSpace)
+            return NotAtBoundary;
+        return EndWord;
+    }
+
+    BoundaryReasons answer;
+    const bool nextIsSpace = d->attributes[pos + 1].whiteSpace;
+    const bool prevIsSpace = d->attributes[pos - 1].whiteSpace;
+
+    if (d->attributes[pos].whiteSpace)
+        answer = EndWord;
+    else if (!prevIsSpace) {
+        answer = StartWord;
+        answer |= EndWord;
+    }
+
+    if (prevIsSpace)
+        answer |= StartWord;
+    if (nextIsSpace)
+        answer |= EndWord;
+    if (answer == 0) {
+        answer = StartWord;
+        answer |= EndWord;
+    }
+
+    return answer;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qtextboundaryfinder.h b/src/corelib/tools/qtextboundaryfinder.h
new file mode 100644
index 0000000000..095e2909ec
--- /dev/null
+++ b/src/corelib/tools/qtextboundaryfinder.h
@@ -0,0 +1,114 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEXTBOUNDARYFINDER_H
+#define QTEXTBOUNDARYFINDER_H
+
+#include <QtCore/qchar.h>
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QTextBoundaryFinderPrivate;
+
+class Q_CORE_EXPORT QTextBoundaryFinder
+{
+public:
+    QTextBoundaryFinder();
+    QTextBoundaryFinder(const QTextBoundaryFinder &other);
+    QTextBoundaryFinder &operator=(const QTextBoundaryFinder &other);
+    ~QTextBoundaryFinder();
+
+    enum BoundaryType {
+        Grapheme,
+        Word,
+        Line,
+        Sentence
+    };
+
+    enum BoundaryReason {
+        NotAtBoundary = 0,
+        StartWord = 1,
+        EndWord = 2
+        //Hyphen
+    };
+    Q_DECLARE_FLAGS( BoundaryReasons, BoundaryReason )
+
+    QTextBoundaryFinder(BoundaryType type, const QString &string);
+    QTextBoundaryFinder(BoundaryType type, const QChar *chars, int length, unsigned char *buffer = 0, int bufferSize = 0);
+
+    inline bool isValid() const { return d; }
+
+    inline BoundaryType type() const { return t; }
+    QString string() const;
+
+    void toStart();
+    void toEnd();
+    int position() const;
+    void setPosition(int position);
+
+    int toNextBoundary();
+    int toPreviousBoundary();
+
+    bool isAtBoundary() const;
+    BoundaryReasons boundaryReasons() const;
+
+private:
+    BoundaryType t;
+    QString s;
+    const QChar *chars;
+    int length;
+    int pos;
+    uint freePrivate : 1;
+    uint unused : 31;
+    QTextBoundaryFinderPrivate *d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
+
diff --git a/src/corelib/tools/qtimeline.cpp b/src/corelib/tools/qtimeline.cpp
new file mode 100644
index 0000000000..2979a090b1
--- /dev/null
+++ b/src/corelib/tools/qtimeline.cpp
@@ -0,0 +1,773 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtimeline.h"
+
+#include <private/qobject_p.h>
+#include <QtCore/qdatetime.h>
+#include <QtCore/qcoreevent.h>
+#include <QtCore/qmath.h>
+
+QT_BEGIN_NAMESPACE
+
+static const qreal pi = qreal(3.14159265359);
+static const qreal halfPi = pi / qreal(2.0);
+
+
+static inline qreal qt_sinProgress(qreal value)
+{
+    return qSin((value * pi) - halfPi) / 2 + qreal(0.5);
+}
+
+static inline qreal qt_smoothBeginEndMixFactor(qreal value)
+{
+    return qMin(qMax(1 - value * 2 + qreal(0.3), qreal(0.0)), qreal(1.0));
+}
+
+class QTimeLinePrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QTimeLine)
+public:
+    inline QTimeLinePrivate()
+        : startTime(0), duration(1000), startFrame(0), endFrame(0),
+          updateInterval(1000 / 25),
+          totalLoopCount(1), currentLoopCount(0), currentTime(0), timerId(0),
+          direction(QTimeLine::Forward), curveShape(QTimeLine::EaseInOutCurve),
+          state(QTimeLine::NotRunning)
+    { }
+
+    int startTime;
+    int duration;
+    int startFrame;
+    int endFrame;
+    int updateInterval;
+    int totalLoopCount;
+    int currentLoopCount;
+
+    int currentTime;
+    int elapsedTime;
+    int timerId;
+    QTime timer;
+
+    QTimeLine::Direction direction;
+    QTimeLine::CurveShape curveShape;
+    QTimeLine::State state;
+    inline void setState(QTimeLine::State newState)
+    {
+        Q_Q(QTimeLine);
+        if (newState != state)
+            emit q->stateChanged(state = newState);
+    }
+
+    void setCurrentTime(int msecs);
+};
+
+/*!
+    \internal
+*/
+void QTimeLinePrivate::setCurrentTime(int msecs)
+{
+    Q_Q(QTimeLine);
+
+    qreal lastValue = q->currentValue();
+    int lastFrame = q->currentFrame();
+
+    // Determine if we are looping.
+    int elapsed = (direction == QTimeLine::Backward) ? (-msecs +  duration) : msecs;
+    int loopCount = elapsed / duration;
+
+    bool looping = (loopCount != currentLoopCount);
+#ifdef QTIMELINE_DEBUG
+    qDebug() << "QTimeLinePrivate::setCurrentTime:" << msecs << duration << "with loopCount" << loopCount
+             << "currentLoopCount" << currentLoopCount
+             << "looping" << looping;
+#endif
+    if (looping)
+        currentLoopCount = loopCount;
+
+    // Normalize msecs to be between 0 and duration, inclusive.
+    currentTime = elapsed % duration;
+    if (direction == QTimeLine::Backward)
+        currentTime = duration - currentTime;
+
+    // Check if we have reached the end of loopcount.
+    bool finished = false;
+    if (totalLoopCount && currentLoopCount >= totalLoopCount) {
+        finished = true;
+        currentTime = (direction == QTimeLine::Backward) ? 0 : duration;
+        currentLoopCount = totalLoopCount - 1;
+    }
+
+    int currentFrame = q->frameForTime(currentTime);
+#ifdef QTIMELINE_DEBUG
+    qDebug() << "QTimeLinePrivate::setCurrentTime: frameForTime" << currentTime << currentFrame;
+#endif
+    if (lastValue != q->currentValue())
+        emit q->valueChanged(q->currentValue());
+    if (lastFrame != currentFrame) {
+        const int transitionframe = (direction == QTimeLine::Forward ? endFrame : startFrame);
+        if (looping && !finished && transitionframe != currentFrame) {
+#ifdef QTIMELINE_DEBUG
+            qDebug() << "QTimeLinePrivate::setCurrentTime: transitionframe";
+#endif
+            emit q->frameChanged(transitionframe);
+        }
+#ifdef QTIMELINE_DEBUG
+        else {
+            QByteArray reason;
+            if (!looping)
+                reason += " not looping";
+            if (finished) {
+                if (!reason.isEmpty())
+                    reason += " and";
+                reason += " finished";
+            }
+            if (transitionframe == currentFrame) {
+                if (!reason.isEmpty())
+                    reason += " and";
+                reason += " transitionframe is equal to currentFrame: " + QByteArray::number(currentFrame);
+            }
+            qDebug("QTimeLinePrivate::setCurrentTime: not transitionframe because %s",  reason.constData());
+        }
+#endif
+        emit q->frameChanged(currentFrame);
+    }
+    if (finished && state == QTimeLine::Running) {
+        q->stop();
+        emit q->finished();
+    }
+}
+
+/*!
+    \class QTimeLine
+    \brief The QTimeLine class provides a timeline for controlling animations.
+    \since 4.2
+    \ingroup multimedia
+
+    It's most commonly used to animate a GUI control by calling a slot
+    periodically. You can construct a timeline by passing its duration in
+    milliseconds to QTimeLine's constructor. The timeline's duration describes
+    for how long the animation will run. Then you set a suitable frame range
+    by calling setFrameRange(). Finally connect the frameChanged() signal to a
+    suitable slot in the widget you wish to animate (e.g., setValue() in
+    QProgressBar). When you proceed to calling start(), QTimeLine will enter
+    Running state, and start emitting frameChanged() at regular intervals,
+    causing your widget's connected property's value to grow from the lower
+    end to the upper and of your frame range, at a steady rate. You can
+    specify the update interval by calling setUpdateInterval(). When done,
+    QTimeLine enters NotRunning state, and emits finished().
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qtimeline.cpp 0
+
+    You can also use QTimeLine with the
+    \l{Graphics View}{Graphics View framework} for
+    animations. The QGraphicsItemAnimation class implements animation
+    of \l{QGraphicsItem}{QGraphicsItems} with a timeline.
+
+    By default the timeline runs once, from the beginning and towards the end,
+    upon which you must call start() again to restart from the beginning. To
+    make the timeline loop, you can call setLoopCount(), passing the number of
+    times the timeline should run before finishing. The direction can also be
+    changed, causing the timeline to run backward, by calling
+    setDirection(). You can also pause and unpause the timeline while it's
+    running by calling setPaused(). For interactive control, the
+    setCurrentTime() function is provided, which sets the time position of the
+    time line directly. Although most useful in NotRunning state, (e.g.,
+    connected to a valueChanged() signal in a QSlider,) this function can be
+    called at any time.
+
+    The frame interface is useful for standard widgets, but QTimeLine can be
+    used to control any type of animation. The heart of QTimeLine lies in the
+    valueForTime() function, which generates a \e value between 0 and 1 for a
+    given time. This value is typically used to describe the steps of an
+    animation, where 0 is the first step of an animation, and 1 is the last
+    step. When running, QTimeLine generates values between 0 and 1 by calling
+    valueForTime() and emitting valueChanged(). By default, valueForTime()
+    applies an interpolation algorithm to generate these value. You can choose
+    from a set of predefined timeline algorithms by calling
+    setCurveShape(). By default, QTimeLine uses the EaseInOut curve shape,
+    which provides a value that grows slowly, then grows steadily, and
+    finally grows slowly. For a custom timeline, you can reimplement
+    valueForTime(), in which case QTimeLine's curveShape property is ignored.
+
+    \sa QProgressBar, QProgressDialog, QGraphicsItemAnimation
+*/
+
+/*!
+    \enum QTimeLine::State
+
+    This enum describes the state of the timeline.
+
+    \value NotRunning The timeline is not running. This is the initial state
+    of QTimeLine, and the state QTimeLine reenters when finished. The current
+    time, frame and value remain unchanged until either setCurrentTime() is
+    called, or the timeline is started by calling start().
+
+    \value Paused The timeline is paused (i.e., temporarily
+    suspended). Calling setPaused(false) will resume timeline activity.
+
+    \value Running The timeline is running. While control is in the event
+    loop, QTimeLine will update its current time at regular intervals,
+    emitting valueChanged() and frameChanged() when appropriate.
+
+    \sa state(), stateChanged()
+*/
+
+/*!
+    \enum QTimeLine::Direction
+
+    This enum describes the direction of the timeline when in \l Running state.
+
+    \value Forward The current time of the timeline increases with time (i.e.,
+    moves from 0 and towards the end / duration).
+
+    \value Backward The current time of the timeline decreases with time (i.e.,
+    moves from the end / duration and towards 0).
+
+    \sa setDirection()
+*/
+
+/*!
+    \enum QTimeLine::CurveShape
+
+    This enum describes the default shape of QTimeLine's value curve. The
+    default, shape is EaseInOutCurve. The curve defines the relation
+    between the value and the timeline.
+
+    \value EaseInCurve The value starts growing slowly, then increases in speed.
+    \value EaseOutCurve The value starts growing steadily, then ends slowly.
+    \value EaseInOutCurve The value starts growing slowly, then runs steadily, then grows slowly again.
+    \value LinearCurve The value grows linearly (e.g., if the duration is 1000 ms,
+           the value at time 500 ms is 0.5).
+    \value SineCurve The value grows sinusoidally.
+    \value CosineCurve The value grows cosinusoidally.
+
+    \sa setCurveShape()
+*/
+
+/*!
+    \fn QTimeLine::valueChanged(qreal value)
+
+    QTimeLine emits this signal at regular intervals when in \l Running state,
+    but only if the current value changes. \a value is the current value. \a value is
+    a number between 0.0 and 1.0
+
+    \sa QTimeLine::setDuration(), QTimeLine::valueForTime(), QTimeLine::updateInterval
+*/
+
+/*!
+    \fn QTimeLine::frameChanged(int frame)
+
+    QTimeLine emits this signal at regular intervals when in \l Running state,
+    but only if the current frame changes. \a frame is the current frame number.
+
+    \sa QTimeLine::setFrameRange(), QTimeLine::updateInterval
+*/
+
+/*!
+    \fn QTimeLine::stateChanged(QTimeLine::State newState)
+
+    This signal is emitted whenever QTimeLine's state changes. The new state
+    is \a newState.
+*/
+
+/*!
+    \fn QTimeLine::finished()
+
+    This signal is emitted when QTimeLine finishes (i.e., reaches the end of
+    its time line), and does not loop.
+*/
+
+/*!
+    Constructs a timeline with a duration of \a duration milliseconds. \a
+    parent is passed to QObject's constructor. The default duration is 1000
+    milliseconds.
+ */
+QTimeLine::QTimeLine(int duration, QObject *parent)
+    : QObject(*new QTimeLinePrivate, parent)
+{
+    setDuration(duration);
+}
+
+/*!
+    Destroys the timeline.
+ */
+QTimeLine::~QTimeLine()
+{
+    Q_D(QTimeLine);
+
+    if (d->state == Running)
+        stop();
+}
+
+/*!
+    Returns the state of the timeline.
+
+    \sa start(), setPaused(), stop()
+*/
+QTimeLine::State QTimeLine::state() const
+{
+    Q_D(const QTimeLine);
+    return d->state;
+}
+
+/*!
+    \property QTimeLine::loopCount
+    \brief the number of times the timeline should loop before it's finished.
+
+    A loop count of of 0 means that the timeline will loop forever.
+
+    By default, this property contains a value of 1.
+*/
+int QTimeLine::loopCount() const
+{
+    Q_D(const QTimeLine);
+    return d->totalLoopCount;
+}
+void QTimeLine::setLoopCount(int count)
+{
+    Q_D(QTimeLine);
+    d->totalLoopCount = count;
+}
+
+/*!
+    \property QTimeLine::direction
+    \brief the direction of the timeline when QTimeLine is in \l Running
+    state.
+
+    This direction indicates whether the time moves from 0 towards the
+    timeline duration, or from the value of the duration and towards 0 after
+    start() has been called.
+
+    By default, this property is set to \l Forward.
+*/
+QTimeLine::Direction QTimeLine::direction() const
+{
+    Q_D(const QTimeLine);
+    return d->direction;
+}
+void QTimeLine::setDirection(Direction direction)
+{
+    Q_D(QTimeLine);
+    d->direction = direction;
+    d->startTime = d->currentTime;
+    d->timer.start();
+}
+
+/*!
+    \property QTimeLine::duration
+    \brief the total duration of the timeline in milliseconds.
+
+    By default, this value is 1000 (i.e., 1 second), but you can change this
+    by either passing a duration to QTimeLine's constructor, or by calling
+    setDuration(). The duration must be larger than 0.
+*/
+int QTimeLine::duration() const
+{
+    Q_D(const QTimeLine);
+    return d->duration;
+}
+void QTimeLine::setDuration(int duration)
+{
+    Q_D(QTimeLine);
+    if (duration <= 0) {
+        qWarning("QTimeLine::setDuration: cannot set duration <= 0");
+        return;
+    }
+    d->duration = duration;
+}
+
+/*!
+    Returns the start frame, which is the frame corresponding to the start of
+    the timeline (i.e., the frame for which the current value is 0).
+
+    \sa setStartFrame(), setFrameRange()
+*/
+int QTimeLine::startFrame() const
+{
+    Q_D(const QTimeLine);
+    return d->startFrame;
+}
+
+/*!
+    Sets the start frame, which is the frame corresponding to the start of the
+    timeline (i.e., the frame for which the current value is 0), to \a frame.
+
+    \sa startFrame(), endFrame(), setFrameRange()
+*/
+void QTimeLine::setStartFrame(int frame)
+{
+    Q_D(QTimeLine);
+    d->startFrame = frame;
+}
+
+/*!
+    Returns the end frame, which is the frame corresponding to the end of the
+    timeline (i.e., the frame for which the current value is 1).
+
+    \sa setEndFrame(), setFrameRange()
+*/
+int QTimeLine::endFrame() const
+{
+    Q_D(const QTimeLine);
+    return d->endFrame;
+}
+
+/*!
+    Sets the end frame, which is the frame corresponding to the end of the
+    timeline (i.e., the frame for which the current value is 1), to \a frame.
+
+    \sa endFrame(), startFrame(), setFrameRange()
+*/
+void QTimeLine::setEndFrame(int frame)
+{
+    Q_D(QTimeLine);
+    d->endFrame = frame;
+}
+
+/*!
+    Sets the timeline's frame counter to start at \a startFrame, and end and
+    \a endFrame. For each time value, QTimeLine will find the corresponding
+    frame when you call currentFrame() or frameForTime() by interpolating,
+    using the return value of valueForTime().
+
+    When in Running state, QTimeLine also emits the frameChanged() signal when
+    the frame changes.
+
+    \sa startFrame(), endFrame(), start(), currentFrame()
+*/
+void QTimeLine::setFrameRange(int startFrame, int endFrame)
+{
+    Q_D(QTimeLine);
+    d->startFrame = startFrame;
+    d->endFrame = endFrame;
+}
+
+/*!
+    \property QTimeLine::updateInterval
+    \brief the time in milliseconds between each time QTimeLine updates its
+    current time.
+
+    When updating the current time, QTimeLine will emit valueChanged() if the
+    current value changed, and frameChanged() if the frame changed.
+
+    By default, the interval is 40 ms, which corresponds to a rate of 25
+    updates per second.
+*/
+int QTimeLine::updateInterval() const
+{
+    Q_D(const QTimeLine);
+    return d->updateInterval;
+}
+void QTimeLine::setUpdateInterval(int interval)
+{
+    Q_D(QTimeLine);
+    d->updateInterval = interval;
+}
+
+/*!
+    \property QTimeLine::curveShape
+    \brief the shape of the timeline curve.
+
+    The curve shape describes the relation between the time and value for the
+    base implementation of valueForTime().
+
+    If you have reimplemented valueForTime(), this value is ignored.
+
+    By default, this property is set to \l EaseInOutCurve.
+
+    \sa valueForTime()
+*/
+QTimeLine::CurveShape QTimeLine::curveShape() const
+{
+    Q_D(const QTimeLine);
+    return d->curveShape;
+}
+void QTimeLine::setCurveShape(CurveShape shape)
+{
+    Q_D(QTimeLine);
+    d->curveShape = shape;
+}
+
+/*!
+    \property QTimeLine::currentTime
+    \brief the current time of the time line.
+
+    When QTimeLine is in Running state, this value is updated continuously as
+    a function of the duration and direction of the timeline. Otherwise, it is
+    value that was current when stop() was called last, or the value set by
+    setCurrentTime().
+
+    By default, this property contains a value of 0.
+*/
+int QTimeLine::currentTime() const
+{
+    Q_D(const QTimeLine);
+    return d->currentTime;
+}
+void QTimeLine::setCurrentTime(int msec)
+{
+    Q_D(QTimeLine);
+    d->startTime = 0;
+    d->currentLoopCount = 0;
+    d->timer.restart();
+    d->setCurrentTime(msec);
+}
+
+/*!
+    Returns the frame corresponding to the current time.
+
+    \sa currentTime(), frameForTime(), setFrameRange()
+*/
+int QTimeLine::currentFrame() const
+{
+    Q_D(const QTimeLine);
+    return frameForTime(d->currentTime);
+}
+
+/*!
+    Returns the value corresponding to the current time.
+
+    \sa valueForTime(), currentFrame()
+*/
+qreal QTimeLine::currentValue() const
+{
+    Q_D(const QTimeLine);
+    return valueForTime(d->currentTime);
+}
+
+/*!
+    Returns the frame corresponding to the time \a msec. This value is
+    calculated using a linear interpolation of the start and end frame, based
+    on the value returned by valueForTime().
+
+    \sa valueForTime(), setFrameRange()
+*/
+int QTimeLine::frameForTime(int msec) const
+{
+    Q_D(const QTimeLine);
+    if (d->direction == Forward)
+        return d->startFrame + int((d->endFrame - d->startFrame) * valueForTime(msec));
+    return d->startFrame + qCeil((d->endFrame - d->startFrame) * valueForTime(msec));
+}
+
+/*!
+    Returns the timeline value for the time \a msec. The returned value, which
+    varies depending on the curve shape, is always between 0 and 1. If \a msec
+    is 0, the default implementation always returns 0.
+
+    Reimplement this function to provide a custom curve shape for your
+    timeline.
+
+    \sa CurveShape, frameForTime()
+*/
+qreal QTimeLine::valueForTime(int msec) const
+{
+    Q_D(const QTimeLine);
+    msec = qMin(qMax(msec, 0), d->duration);
+
+    // Simple linear interpolation
+    qreal value = msec / qreal(d->duration);
+
+    switch (d->curveShape) {
+    case EaseInOutCurve:
+        value = qt_sinProgress(value);
+        break;
+        // SmoothBegin blends Smooth and Linear Interpolation.
+        // Progress 0 - 0.3      : Smooth only
+        // Progress 0.3 - ~ 0.5  : Mix of Smooth and Linear
+        // Progress ~ 0.5  - 1   : Linear only
+    case EaseInCurve: {
+        const qreal sinProgress = qt_sinProgress(value);
+        const qreal linearProgress = value;
+        const qreal mix = qt_smoothBeginEndMixFactor(value);
+        value = sinProgress * mix + linearProgress * (1 - mix);
+        break;
+    }
+    case EaseOutCurve: {
+        const qreal sinProgress = qt_sinProgress(value);
+        const qreal linearProgress = value;
+        const qreal mix = qt_smoothBeginEndMixFactor(1 - value);
+        value = sinProgress * mix + linearProgress * (1 - mix);
+        break;
+    }
+    case SineCurve:
+        value = (qSin(((msec * pi * 2) / d->duration) - pi/2) + 1) / 2;
+        break;
+    case CosineCurve:
+        value = (qCos(((msec * pi * 2) / d->duration) - pi/2) + 1) / 2;
+        break;
+    default:
+        break;
+    }
+
+    return value;
+}
+
+/*!
+    Starts the timeline. QTimeLine will enter Running state, and once it
+    enters the event loop, it will update its current time, frame and value at
+    regular intervals. The default interval is 40 ms (i.e., 25 times per
+    second). You can change the update interval by calling
+    setUpdateInterval().
+
+    If you want to resume a stopped timeline without restarting, you can call
+    resume() instead.
+
+    \sa resume(), updateInterval(), frameChanged(), valueChanged()
+*/
+void QTimeLine::start()
+{
+    Q_D(QTimeLine);
+    if (d->timerId) {
+        qWarning("QTimeLine::start: already running");
+        return;
+    }
+    int curTime = d->currentTime;
+    if (curTime == d->duration && d->direction == Forward)
+        curTime = 0;
+    else if (curTime == 0 && d->direction == Backward)
+        curTime = d->duration;
+    d->timerId = startTimer(d->updateInterval);
+    d->startTime = curTime;
+    d->currentLoopCount = 0;
+    d->timer.start();
+    d->setState(Running);
+    d->setCurrentTime(curTime);
+}
+
+/*!
+    Resumes the timeline from the current time. QTimeLine will reenter Running
+    state, and once it enters the event loop, it will update its current time,
+    frame and value at regular intervals.
+
+    In contrast to start(), this function does not restart the timeline before
+    is resumes.
+
+    \sa start(), updateInterval(), frameChanged(), valueChanged()
+*/
+void QTimeLine::resume()
+{
+    Q_D(QTimeLine);
+    if (d->timerId) {
+        qWarning("QTimeLine::resume: already running");
+        return;
+    }
+    d->timerId = startTimer(d->updateInterval);
+    d->startTime = d->currentTime;
+    d->timer.start();
+    d->setState(Running);
+}
+
+/*!
+    Stops the timeline, causing QTimeLine to enter NotRunning state.
+
+    \sa start()
+*/
+void QTimeLine::stop()
+{
+    Q_D(QTimeLine);
+    if (d->timerId)
+        killTimer(d->timerId);
+    d->setState(NotRunning);
+    d->timerId = 0;
+}
+
+/*!
+    If \a paused is true, the timeline is paused, causing QTimeLine to enter
+    Paused state. No updates will be signaled until either start() or
+    setPaused(false) is called. If \a paused is false, the timeline is resumed
+    and continues where it left.
+
+    \sa state(), start()
+*/
+void QTimeLine::setPaused(bool paused)
+{
+    Q_D(QTimeLine);
+    if (d->state == NotRunning) {
+        qWarning("QTimeLine::setPaused: Not running");
+        return;
+    }
+    if (paused && d->state != Paused) {
+        d->startTime = d->currentTime;
+        killTimer(d->timerId);
+        d->timerId = 0;
+        d->setState(Paused);
+    } else if (!paused && d->state == Paused) {
+        d->timerId = startTimer(d->updateInterval);
+        d->setState(Running);
+    }
+}
+
+/*!
+    Toggles the direction of the timeline. If the direction was Forward, it
+    becomes Backward, and vice verca.
+
+    \sa setDirection()
+*/
+void QTimeLine::toggleDirection()
+{
+    Q_D(QTimeLine);
+    setDirection(d->direction == Forward ? Backward : Forward);
+}
+
+/*!
+    \reimp
+*/
+void QTimeLine::timerEvent(QTimerEvent *event)
+{
+    Q_D(QTimeLine);
+    if (event->timerId() != d->timerId) {
+        event->ignore();
+        return;
+    }
+    event->accept();
+
+    if (d->direction == Forward) {
+        d->setCurrentTime(d->startTime + d->timer.elapsed());
+    } else {
+        d->setCurrentTime(d->startTime - d->timer.elapsed());
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qtimeline.h b/src/corelib/tools/qtimeline.h
new file mode 100644
index 0000000000..18c39804fe
--- /dev/null
+++ b/src/corelib/tools/qtimeline.h
@@ -0,0 +1,142 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTIMELINE_H
+#define QTIMELINE_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QTimeLinePrivate;
+class Q_CORE_EXPORT QTimeLine : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int duration READ duration WRITE setDuration)
+    Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval)
+    Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime)
+    Q_PROPERTY(Direction direction READ direction WRITE setDirection)
+    Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount)
+    Q_PROPERTY(CurveShape curveShape READ curveShape WRITE setCurveShape)
+public:
+    enum State {
+        NotRunning,
+        Paused,
+        Running
+    };
+    enum Direction {
+        Forward,
+        Backward
+    };
+    enum CurveShape {
+        EaseInCurve,
+        EaseOutCurve,
+        EaseInOutCurve,
+        LinearCurve,
+        SineCurve,
+        CosineCurve
+    };
+
+    explicit QTimeLine(int duration = 1000, QObject *parent = 0);
+    virtual ~QTimeLine();
+
+    State state() const;
+
+    int loopCount() const;
+    void setLoopCount(int count);
+
+    Direction direction() const;
+    void setDirection(Direction direction);
+
+    int duration() const;
+    void setDuration(int duration);
+
+    int startFrame() const;
+    void setStartFrame(int frame);
+    int endFrame() const;
+    void setEndFrame(int frame);
+    void setFrameRange(int startFrame, int endFrame);
+
+    int updateInterval() const;
+    void setUpdateInterval(int interval);
+
+    CurveShape curveShape() const;
+    void setCurveShape(CurveShape shape);
+
+    int currentTime() const;
+    int currentFrame() const;
+    qreal currentValue() const;
+
+    int frameForTime(int msec) const;
+    virtual qreal valueForTime(int msec) const;
+
+public Q_SLOTS:
+    void start();
+    void resume();
+    void stop();
+    void setPaused(bool paused);
+    void setCurrentTime(int msec);
+    void toggleDirection();
+
+Q_SIGNALS:
+    void valueChanged(qreal x);
+    void frameChanged(int);
+    void stateChanged(QTimeLine::State newState);
+    void finished();
+
+protected:
+    void timerEvent(QTimerEvent *event);
+
+private:
+    Q_DISABLE_COPY(QTimeLine)
+    Q_DECLARE_PRIVATE(QTimeLine)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
+
diff --git a/src/corelib/tools/qtools_p.h b/src/corelib/tools/qtools_p.h
new file mode 100644
index 0000000000..574928e7b1
--- /dev/null
+++ b/src/corelib/tools/qtools_p.h
@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTOOLS_P_H
+#define QTOOLS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qglobal.h"
+
+QT_BEGIN_NAMESPACE
+
+// implemented in qbytearray.cpp
+int Q_CORE_EXPORT qAllocMore(int alloc, int extra);
+
+QT_END_NAMESPACE
+
+#endif // QTOOLS_P_H
diff --git a/src/corelib/tools/qunicodetables.cpp b/src/corelib/tools/qunicodetables.cpp
new file mode 100644
index 0000000000..0cfa26aaf7
--- /dev/null
+++ b/src/corelib/tools/qunicodetables.cpp
@@ -0,0 +1,9404 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/* This file is autogenerated from the Unicode 5.0 database. Do not edit */
+
+QT_BEGIN_NAMESPACE
+
+static const unsigned short uc_property_trie[] = {
+    // 0x11000
+
+    6256, 6288, 6320, 6352, 6384, 6416, 6448, 6480, 
+    6512, 6544, 6576, 6608, 6640, 6672, 6704, 6736, 
+    6768, 6800, 6832, 6864, 6896, 6928, 6960, 6992, 
+    7024, 7056, 7088, 7120, 7152, 7184, 7216, 7248, 
+    7280, 7312, 7344, 6512, 7376, 6512, 7408, 7440, 
+    7472, 7504, 7536, 7568, 7600, 7632, 7664, 7696, 
+    7728, 7760, 7792, 7824, 7856, 7888, 7920, 7952, 
+    7984, 8016, 8048, 8080, 8112, 8144, 8176, 8208, 
+    8240, 8240, 8240, 8240, 8240, 8240, 8240, 8240, 
+    8272, 8304, 8336, 8368, 8400, 8432, 8464, 8496, 
+    8528, 8560, 8592, 8624, 8656, 8688, 8720, 8752, 
+    8400, 8784, 8816, 8848, 8880, 8912, 8944, 8976, 
+    9008, 9040, 9072, 9104, 9136, 9168, 9200, 9232, 
+    9136, 9264, 9296, 9104, 9328, 9360, 9392, 9424, 
+    9456, 9488, 9520, 9552, 9584, 9616, 9648, 9552, 
+    9680, 9712, 9744, 9776, 9808, 9840, 9872, 9552, 
+
+    9904, 9936, 9968, 9552, 9552, 10000, 10032, 10064, 
+    10096, 10096, 10128, 10160, 10160, 10192, 10224, 10256, 
+    10288, 10320, 10352, 10320, 10384, 10416, 10448, 10480, 
+    10512, 10320, 10544, 10576, 10608, 10320, 10320, 10640, 
+    10672, 10320, 10320, 10320, 10320, 10320, 10320, 10320, 
+    10320, 10320, 10320, 10320, 10320, 10320, 10320, 10320, 
+    10320, 10320, 10320, 10704, 10736, 10320, 10320, 10768, 
+    10800, 10832, 10864, 10896, 9904, 10928, 10960, 10992, 
+    11024, 10320, 11056, 11088, 10320, 11120, 9552, 9552, 
+    11152, 11184, 11216, 11248, 11280, 11312, 11344, 11376, 
+    11408, 9552, 9552, 9552, 9552, 9552, 9552, 9552, 
+    11440, 11472, 11504, 11536, 9552, 9552, 9552, 9552, 
+    9552, 9552, 9552, 9552, 9552, 9552, 9552, 9552, 
+    11568, 11600, 11632, 11664, 11696, 11728, 11760, 11792, 
+    6512, 6512, 6512, 6512, 11824, 6512, 6512, 11856, 
+    11888, 11920, 11952, 11984, 12016, 12048, 12080, 12112, 
+
+    12144, 12176, 12208, 12240, 12272, 12304, 12336, 12368, 
+    12400, 12432, 12464, 12496, 12528, 12560, 12592, 12624, 
+    12656, 12688, 12720, 12752, 12784, 12816, 12848, 12880, 
+    12912, 12944, 12976, 13008, 13040, 13072, 13104, 13136, 
+    13168, 13200, 13232, 13264, 13296, 13328, 13360, 13392, 
+    13168, 13168, 13168, 13168, 13424, 13456, 13488, 13520, 
+    13552, 13168, 13168, 13584, 13616, 13648, 9552, 9552, 
+    13680, 13712, 13744, 13776, 13808, 13840, 13872, 13904, 
+    13936, 13936, 13936, 13936, 13936, 13936, 13936, 13936, 
+    13968, 13968, 13968, 13968, 14000, 14032, 14064, 14096, 
+    13968, 14128, 13968, 14160, 14192, 14224, 14256, 14288, 
+    14320, 14352, 9552, 9552, 9552, 9552, 9552, 9552, 
+    14384, 14416, 14448, 14480, 14512, 14512, 14512, 14544, 
+    14576, 14608, 14640, 14672, 14704, 14736, 14736, 9552, 
+    14768, 9552, 9552, 9552, 14800, 14832, 14832, 14864, 
+    14832, 14832, 14832, 14832, 14832, 14832, 14896, 14928, 
+
+    14960, 14992, 15024, 15056, 15088, 15120, 15152, 15184, 
+    15216, 15248, 15280, 15280, 15312, 15344, 15376, 15408, 
+    15440, 15472, 15504, 15536, 15472, 15568, 15600, 15632, 
+    15664, 15664, 15664, 15696, 15664, 15664, 15728, 15760, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15792, 15792, 15792, 
+    15792, 15792, 15792, 15792, 15792, 15824, 11376, 11376, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15856, 15856, 15856, 
+    15856, 15856, 15856, 15856, 15856, 15888, 9552, 9552, 
+
+    15920, 15952, 15952, 15952, 15952, 15952, 15952, 15952, 
+    15952, 15952, 15952, 15952, 15952, 15952, 15952, 15952, 
+    15952, 15952, 15952, 15952, 15952, 15952, 15952, 15952, 
+    15952, 15952, 15952, 15952, 15952, 15952, 15952, 15952, 
+    15952, 15952, 15952, 15952, 15984, 16016, 16048, 9552, 
+    9552, 9552, 9552, 9552, 9552, 9552, 9552, 9552, 
+    9552, 9552, 9552, 9552, 9552, 9552, 9552, 9552, 
+    16080, 16112, 9552, 9552, 9552, 9552, 9552, 9552, 
+    16144, 16176, 16208, 16240, 9552, 9552, 9552, 9552, 
+    9552, 9552, 9552, 9552, 9552, 9552, 9552, 9552, 
+    9552, 9552, 9552, 9552, 9552, 9552, 9552, 9552, 
+    9552, 9552, 9552, 9552, 9552, 9552, 9552, 9552, 
+    16272, 16304, 16336, 16368, 16400, 16432, 16464, 16272, 
+    16304, 16336, 16368, 16400, 16432, 16464, 16272, 16304, 
+    16336, 16368, 16400, 16432, 16464, 16272, 16304, 16336, 
+    16368, 16400, 16432, 16464, 16272, 16304, 16336, 16368, 
+
+    16400, 16432, 16464, 16272, 16304, 16336, 16368, 16400, 
+    16432, 16464, 16272, 16304, 16336, 16368, 16400, 16432, 
+    16464, 16272, 16304, 16336, 16368, 16400, 16432, 16464, 
+    16272, 16304, 16336, 16368, 16400, 16432, 16464, 16272, 
+    16304, 16336, 16368, 16400, 16432, 16464, 16272, 16304, 
+    16336, 16368, 16400, 16432, 16464, 16272, 16304, 16336, 
+    16368, 16400, 16432, 16464, 16272, 16304, 16336, 16368, 
+    16400, 16432, 16464, 16272, 16304, 16336, 16368, 16400, 
+    16432, 16464, 16272, 16304, 16336, 16368, 16400, 16432, 
+    16464, 16272, 16304, 16336, 16368, 16400, 16432, 16464, 
+    16272, 16304, 16336, 16368, 16400, 16432, 16464, 16272, 
+    16304, 16336, 16368, 16400, 16432, 16464, 16272, 16304, 
+    16336, 16368, 16400, 16432, 16464, 16272, 16304, 16336, 
+    16368, 16400, 16432, 16464, 16272, 16304, 16336, 16368, 
+    16400, 16432, 16464, 16272, 16304, 16336, 16368, 16400, 
+    16432, 16464, 16272, 16304, 16336, 16368, 16400, 16432, 
+
+    16464, 16272, 16304, 16336, 16368, 16400, 16432, 16464, 
+    16272, 16304, 16336, 16368, 16400, 16432, 16464, 16272, 
+    16304, 16336, 16368, 16400, 16432, 16464, 16272, 16304, 
+    16336, 16368, 16400, 16432, 16464, 16272, 16304, 16336, 
+    16368, 16400, 16432, 16464, 16272, 16304, 16336, 16368, 
+    16400, 16432, 16464, 16272, 16304, 16336, 16368, 16400, 
+    16432, 16464, 16272, 16304, 16336, 16368, 16400, 16432, 
+    16464, 16272, 16304, 16336, 16368, 16400, 16432, 16464, 
+    16272, 16304, 16336, 16368, 16400, 16432, 16464, 16272, 
+    16304, 16336, 16368, 16400, 16432, 16464, 16272, 16304, 
+    16336, 16368, 16400, 16432, 16464, 16272, 16304, 16336, 
+    16368, 16400, 16432, 16464, 16272, 16304, 16336, 16368, 
+    16400, 16432, 16464, 16272, 16304, 16336, 16368, 16400, 
+    16432, 16464, 16272, 16304, 16336, 16368, 16400, 16432, 
+    16464, 16272, 16304, 16336, 16368, 16400, 16432, 16464, 
+    16272, 16304, 16336, 16368, 16400, 16432, 16464, 16272, 
+
+    16304, 16336, 16368, 16400, 16432, 16464, 16272, 16304, 
+    16336, 16368, 16400, 16432, 16464, 16272, 16304, 16336, 
+    16368, 16400, 16432, 16464, 16272, 16304, 16336, 16368, 
+    16400, 16432, 16464, 16272, 16304, 16336, 16368, 16400, 
+    16432, 16464, 16272, 16304, 16336, 16368, 16400, 16432, 
+    16464, 16272, 16304, 16336, 16368, 16400, 16432, 16464, 
+    16272, 16304, 16336, 16368, 16400, 16432, 16464, 16272, 
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+
+    503, 504, 505, 506, 507, 508, 509, 510, 
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+
+    535, 536, 537, 538, 539, 540, 541, 542, 
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+
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+
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+
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+
+    14, 14, 14, 14, 602, 602, 602, 603, 
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+
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+
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+
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+
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+
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+
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+
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+
+    185, 185, 185, 185, 185, 651, 627, 627, 
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+
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+
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+
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+
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+    895, 895, 895, 895, 895, 895, 895, 895, 
+    895, 895, 895, 895, 895, 895, 895, 895, 
+    895, 895, 895, 895, 895, 895, 895, 895, 
+    895, 895, 895, 895, 895, 895, 893, 893, 
+};
+
+#define GET_PROP_INDEX(ucs4) \
+       (ucs4 < 0x11000 \
+        ? (uc_property_trie[uc_property_trie[ucs4>>5] + (ucs4 & 0x1f)]) \
+        : (uc_property_trie[uc_property_trie[((ucs4 - 0x11000)>>8) + 0x880] + (ucs4 & 0xff)]))
+
+#define GET_PROP_INDEX_UCS2(ucs2) \
+(uc_property_trie[uc_property_trie[ucs2>>5] + (ucs2 & 0x1f)])
+
+static const QUnicodeTables::Properties uc_properties [] = {
+    { 10, 19, 18, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0},
+    { 10, 15, 8, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3},
+    { 10, 30, 7, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1},
+    { 10, 31, 8, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3},
+    { 10, 31, 9, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3},
+    { 10, 29, 7, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1},
+    { 10, 19, 7, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0},
+    { 10, 19, 8, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0},
+    { 7, 28, 9, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3},
+    { 26, 5, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9},
+    { 26, 2, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10},
+    { 26, 11, 4, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 28, 8, 4, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 9, 4, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 2, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 10},
+    { 22, 0, 10, 0, 0, -1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 10},
+    { 23, 1, 10, 0, 0, -1, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 10},
+    { 27, 8, 3, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 7, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0},
+    { 21, 14, 3, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 7, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 8},
+    { 26, 6, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 10, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 5, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 6, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 7, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 8, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 26, 7, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0},
+    { 26, 7, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0},
+    { 27, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 0},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 32, 0, 0, 32, 0, 3, 5},
+    { 22, 0, 10, 0, 0, -1, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 10},
+    { 26, 8, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 23, 1, 10, 0, 0, -1, 1, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 10},
+    { 29, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 20, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -32, -32, 0, 0, 3, 4},
+    { 27, 15, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 10, 11, 7, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 1},
+    { 7, 3, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 28, 9, 4, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 30, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 4},
+    { 24, 2, 10, 0, 0, -1, 1, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 10},
+    { 11, 15, 18, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 2},
+    { 30, 9, 4, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 8, 4, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 11, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 11, 2, 0, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 29, 16, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 743, 743, 775, 0, 3, 4},
+    { 26, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0},
+    { 6, 11, 2, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 25, 2, 10, 0, 0, -1, 1, 0, 0, 0, 0, -16, 0, 0, 0, 0, 0, 0, 10},
+    { 6, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 3, 0, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 121, 121, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 1, 0, 0, 0, 0, 6, 0, 0, 0, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -232, -232, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 91, 88, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, -121, 0, 0, -121, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -300, -300, -268, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 195, 195, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 210, 0, 0, 210, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 206, 0, 0, 206, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 205, 0, 0, 205, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 79, 0, 0, 79, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 202, 0, 0, 202, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 203, 0, 0, 203, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 207, 0, 0, 207, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 97, 97, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 211, 0, 0, 211, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 209, 0, 0, 209, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 163, 163, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 213, 0, 0, 213, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 130, 130, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 214, 0, 0, 214, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 218, 0, 0, 218, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 217, 0, 0, 217, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 219, 0, 0, 219, 0, 3, 5},
+    { 19, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 56, 56, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 2, 0, 1, 2, 0, 3, 5},
+    { 17, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 1, -1, 0, 1, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -2, -1, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -79, -79, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 113, 110, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, -97, 0, 0, -97, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, -56, 0, 0, -56, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 6, 0, 0, 0, 0, 0, -130, 0, 0, -130, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, 10795, 0, 0, 10795, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, -163, 0, 0, -163, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, 10792, 0, 0, 10792, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, -195, 0, 0, -195, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, 69, 0, 0, 69, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, 71, 0, 0, 71, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -210, -210, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -206, -206, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -205, -205, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -202, -202, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -203, -203, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -207, -207, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -209, -209, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -211, -211, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 10743, 10743, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -213, -213, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -214, -214, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 10727, 10727, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -218, -218, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -69, -69, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -217, -217, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -71, -71, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -219, -219, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 4},
+    { 18, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 4},
+    { 18, 11, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 18, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 18, 16, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 29, 11, 10, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 18, 11, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 29, 11, 10, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 1, 19, 17, 230, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 232, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 220, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 216, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 202, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 240, 0, -1, 1, 0, 0, 0, 0, 0, 0, 84, 84, 116, 4, 1, 0},
+    { 1, 19, 17, 230, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 220, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 3, 17, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 230, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 220, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 232, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 220, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 230, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 3, 17, 233, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 3, 17, 234, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 3, 17, 233, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 3, 17, 234, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 3, 17, 233, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 230, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 0, 11, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 16, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 130, 130, 0, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 38, 0, 0, 38, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 37, 0, 0, 37, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 64, 0, 0, 64, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 63, 0, 0, 63, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 98, 94, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -38, -38, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -37, -37, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 106, 102, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -31, -31, 1, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -64, -64, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -63, -63, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -62, -62, -30, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -57, -57, -25, 0, 3, 4},
+    { 15, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -47, -47, -15, 0, 3, 4},
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+    { 6, 11, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 16, 11, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, -7264, -7264, 0, 0, 3, 4},
+    { 26, 2, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10},
+    { 24, 2, 10, 0, 0, -1, 8, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 10},
+    { 25, 2, 10, 0, 0, -1, 8, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 10},
+    { 21, 15, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 30, 12, 10, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 7, 12, 9, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3},
+    { 26, 1, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 1, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9},
+    { 26, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 30, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 18, 4, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 19, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 5, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 21, 4, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 23, 1, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10},
+    { 1, 19, 17, 218, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 228, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 222, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 224, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 21, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 18, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6},
+    { 5, 12, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 18, 4, 0, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 19, 4, 0, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 26, 12, 10, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 19, 4, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 19, 4, 0, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 1, 19, 17, 8, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 29, 4, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0},
+    { 18, 4, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 19, 12, 0, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 21, 4, 10, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0},
+    { 19, 4, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6},
+    { 19, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6},
+    { 26, 4, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 18, 4, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6},
+    { 19, 12, 0, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6},
+    { 19, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 30, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 19, 12, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 30, 12, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 19, 4, 0, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6},
+    { 30, 12, 10, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 12, 10, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 19, 12, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 19, 12, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 18, 4, 0, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 30, 12, 10, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 29, 11, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 18, 11, 10, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 29, 11, 10, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 2, 19, 17, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 1, 19, 17, 9, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 26, 16, 10, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 19, 21, 0, 0, 0, -1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 3, 6},
+    { 19, 22, 0, 0, 0, -1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 3, 6},
+    { 12, 27, 0, 0, 0, -1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 13, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 19, 12, 0, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 12, 9, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 18, 15, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 24, 21, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 31, 27, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 39, 35, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 46, 43, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 49, 43, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 61, 58, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 67, 64, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 73, 70, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 79, 76, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 1, 0, 1, 1, 0, 0, 0, 85, 82, 0, 0, 3, 4},
+    { 19, 11, 1, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 1, 19, 17, 26, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 0, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 28, 9, 13, 0, 0, -1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 7, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0},
+    { 26, 1, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 5, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 22, 0, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10},
+    { 23, 1, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10},
+    { 26, 13, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 20, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0},
+    { 22, 0, 10, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10},
+    { 23, 1, 10, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10},
+    { 26, 1, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 1, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9},
+    { 26, 4, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 12, 4, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 12, 3, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 21, 12, 3, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 11, 20, 18, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 2},
+    { 26, 12, 6, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 5, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 6, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 7, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 8, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 4, 12, 2, 0, 0, 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0},
+    { 27, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 0},
+    { 15, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 32, 0, 0, 32, 0, 3, 5},
+    { 29, 12, 10, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 16, 12, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, -32, -32, 0, 0, 3, 4},
+    { 19, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6},
+    { 11, 19, 10, 0, 0, -1, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 2},
+    { 30, 11, 10, 0, 0, -1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 0, 11, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 15, 0, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 15, 10, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 30, 15, 0, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 11, 0, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 30, 11, 0, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 5, 11, 10, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 19, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 6, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 5, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 5, 11, 0, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 15, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 40, 0, 0, 40, 0, 3, 5},
+    { 15, 11, 0, 0, 0, -1, 7, 0, 0, 0, 0, 0, 40, 0, 0, 40, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, -40, -40, 0, 0, 3, 4},
+    { 16, 11, 0, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, -40, -40, 0, 0, 3, 4},
+    { 19, 11, 1, 0, 0, -1, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 19, 11, 1, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 6, 11, 1, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 15, 10, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 19, 11, 1, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 6, 11, 1, 0, 0, 1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 11, 1, 0, 0, 2, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 11, 1, 0, 0, 3, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 11, 1, 0, 0, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 6, 11, 1, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 15, 1, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 26, 11, 1, 0, 0, -1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 5, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 6},
+    { 30, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 2, 19, 0, 216, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 2, 19, 0, 216, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 1, 19, 17, 1, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 2, 19, 0, 226, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 11, 19, 18, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 2},
+    { 1, 19, 17, 220, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 1, 19, 17, 230, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0},
+    { 6, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 15, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 5},
+    { 16, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 4},
+    { 27, 11, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 15, 11, 0, 0, 0, -1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 5},
+    { 4, 10, 2, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 2, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 3, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 4, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 6, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 7, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 8, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 4, 10, 2, 0, 0, 9, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7},
+    { 0, 11, 0, 0, 0, -1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    { 19, 12, 0, 0, 0, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6},
+    { 13, 11, 0, 0, 0, -1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+};
+
+static inline const QUnicodeTables::Properties *qGetProp(uint ucs4)
+{
+    int index = GET_PROP_INDEX(ucs4);
+    return uc_properties + index;
+}
+
+static inline const QUnicodeTables::Properties *qGetProp(ushort ucs2)
+{
+    int index = GET_PROP_INDEX_UCS2(ucs2);
+    return uc_properties + index;
+}
+
+Q_CORE_EXPORT const QUnicodeTables::Properties* QT_FASTCALL QUnicodeTables::properties(uint ucs4)
+{
+    int index = GET_PROP_INDEX(ucs4);
+    return uc_properties + index;
+}
+
+Q_CORE_EXPORT const QUnicodeTables::Properties* QT_FASTCALL QUnicodeTables::properties(ushort ucs2)
+{
+    int index = GET_PROP_INDEX_UCS2(ucs2);
+    return uc_properties + index;
+}
+
+#define CURRENT_VERSION QChar::Unicode_5_0
+
+static const ushort specialCaseMap [] = {
+    0x53, 0x73, 0x0, 0x53, 0x53, 0x0, 0x69, 0x307, 0x0, 0x46, 0x66, 0x0, 0x46, 0x46, 0x0, 0x46,
+    0x69, 0x0, 0x46, 0x49, 0x0, 0x46, 0x6c, 0x0, 0x46, 0x4c, 0x0, 0x46, 0x66, 0x69, 0x0, 0x46,
+    0x46, 0x49, 0x0, 0x46, 0x66, 0x6c, 0x0, 0x46, 0x46, 0x4c, 0x0, 0x53, 0x74, 0x0, 0x53, 0x54,
+    0x0, 0x53, 0x54, 0x0, 0x535, 0x582, 0x0, 0x535, 0x552, 0x0, 0x544, 0x576, 0x0, 0x544, 0x546, 0x0,
+    0x544, 0x565, 0x0, 0x544, 0x535, 0x0, 0x544, 0x56b, 0x0, 0x544, 0x53b, 0x0, 0x54e, 0x576, 0x0, 0x54e,
+    0x546, 0x0, 0x544, 0x56d, 0x0, 0x544, 0x53d, 0x0, 0x2bc, 0x4e, 0x0, 0x2bc, 0x4e, 0x0, 0x399, 0x308,
+    0x301, 0x0, 0x399, 0x308, 0x301, 0x0, 0x3a5, 0x308, 0x301, 0x0, 0x3a5, 0x308, 0x301, 0x0, 0x4a, 0x30c,
+    0x0, 0x4a, 0x30c, 0x0, 0x48, 0x331, 0x0, 0x48, 0x331, 0x0, 0x54, 0x308, 0x0, 0x54, 0x308, 0x0,
+    0x57, 0x30a, 0x0, 0x57, 0x30a, 0x0, 0x59, 0x30a, 0x0, 0x59, 0x30a, 0x0, 0x41, 0x2be, 0x0, 0x41,
+    0x2be, 0x0, 0x3a5, 0x313, 0x0, 0x3a5, 0x313, 0x0, 0x3a5, 0x313, 0x300, 0x0, 0x3a5, 0x313, 0x300, 0x0,
+    0x3a5, 0x313, 0x301, 0x0, 0x3a5, 0x313, 0x301, 0x0, 0x3a5, 0x313, 0x342, 0x0, 0x3a5, 0x313, 0x342, 0x0,
+    0x391, 0x342, 0x0, 0x391, 0x342, 0x0, 0x397, 0x342, 0x0, 0x397, 0x342, 0x0, 0x399, 0x308, 0x300, 0x0,
+    0x399, 0x308, 0x300, 0x0, 0x399, 0x342, 0x0, 0x399, 0x342, 0x0, 0x399, 0x308, 0x342, 0x0, 0x399, 0x308,
+    0x342, 0x0, 0x3a5, 0x308, 0x300, 0x0, 0x3a5, 0x308, 0x300, 0x0, 0x3a1, 0x313, 0x0, 0x3a1, 0x313, 0x0,
+    0x3a5, 0x342, 0x0, 0x3a5, 0x342, 0x0, 0x3a5, 0x308, 0x342, 0x0, 0x3a5, 0x308, 0x342, 0x0, 0x3a9, 0x342,
+    0x0, 0x3a9, 0x342, 0x0, 0x1f08, 0x399, 0x0, 0x1f09, 0x399, 0x0, 0x1f0a, 0x399, 0x0, 0x1f0b, 0x399, 0x0,
+    0x1f0c, 0x399, 0x0, 0x1f0d, 0x399, 0x0, 0x1f0e, 0x399, 0x0, 0x1f0f, 0x399, 0x0, 0x1f0f, 0x399, 0x0, 0x1f28,
+    0x399, 0x0, 0x1f29, 0x399, 0x0, 0x1f2a, 0x399, 0x0, 0x1f2b, 0x399, 0x0, 0x1f2c, 0x399, 0x0, 0x1f2d, 0x399,
+    0x0, 0x1f2e, 0x399, 0x0, 0x1f2f, 0x399, 0x0, 0x1f2f, 0x399, 0x0, 0x1f68, 0x399, 0x0, 0x1f69, 0x399, 0x0,
+    0x1f6a, 0x399, 0x0, 0x1f6b, 0x399, 0x0, 0x1f6c, 0x399, 0x0, 0x1f6d, 0x399, 0x0, 0x1f6e, 0x399, 0x0, 0x1f6f,
+    0x399, 0x0, 0x1f6f, 0x399, 0x0, 0x391, 0x399, 0x0, 0x391, 0x399, 0x0, 0x397, 0x399, 0x0, 0x397, 0x399,
+    0x0, 0x3a9, 0x399, 0x0, 0x3a9, 0x399, 0x0, 0x1fba, 0x345, 0x0, 0x1fba, 0x399, 0x0, 0x386, 0x345, 0x0,
+    0x386, 0x399, 0x0, 0x1fca, 0x345, 0x0, 0x1fca, 0x399, 0x0, 0x389, 0x345, 0x0, 0x389, 0x399, 0x0, 0x1ffa,
+    0x345, 0x0, 0x1ffa, 0x399, 0x0, 0x38f, 0x345, 0x0, 0x38f, 0x399, 0x0, 0x391, 0x342, 0x345, 0x0, 0x391,
+    0x342, 0x399, 0x0, 0x397, 0x342, 0x345, 0x0, 0x397, 0x342, 0x399, 0x0, 0x3a9, 0x342, 0x345, 0x0, 0x3a9,
+    0x342, 0x399, 0x0
+};
+#define SPECIAL_CASE_MAX_LEN 3
+
+static const unsigned short uc_decomposition_trie[] = {
+    // 0 - 0x3400
+
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1564, 1580, 1596, 1612, 1628, 1644, 
+    1660, 1676, 1692, 1708, 1724, 1740, 1756, 1772, 
+    1548, 1548, 1788, 1804, 1820, 1836, 1852, 1868, 
+    1884, 1900, 1916, 1932, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1948, 1548, 1964, 1980, 1548, 
+    1548, 1548, 1548, 1548, 1996, 1548, 1548, 2012, 
+    2028, 2044, 2060, 2076, 2092, 2108, 1548, 2124, 
+    2140, 2156, 1548, 2172, 1548, 2188, 1548, 2204, 
+    1548, 1548, 1548, 1548, 2220, 2236, 2252, 2268, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    2284, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 2300, 1548, 1548, 1548, 1548, 2316, 
+    1548, 1548, 1548, 1548, 2332, 2348, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 2364, 2380, 1548, 2396, 1548, 1548, 
+    1548, 1548, 1548, 1548, 2412, 2428, 1548, 1548, 
+    1548, 1548, 1548, 2444, 1548, 2460, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 2476, 2492, 1548, 1548, 
+    1548, 2508, 1548, 1548, 2524, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 2540, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 2556, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 2572, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 2588, 1548, 1548, 
+    1548, 1548, 1548, 2604, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 2620, 1548, 2636, 1548, 1548, 
+    2652, 1548, 1548, 1548, 2668, 2684, 2700, 2716, 
+    2732, 2748, 2764, 2780, 1548, 1548, 1548, 1548, 
+
+    1548, 1548, 2796, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 2812, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    2828, 2844, 1548, 2860, 2876, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 2892, 2908, 2924, 2940, 2956, 2972, 
+    1548, 2988, 3004, 3020, 1548, 1548, 1548, 1548, 
+    3036, 3052, 3068, 3084, 3100, 3116, 3132, 3148, 
+    3164, 3180, 3196, 3212, 3228, 3244, 3260, 3276, 
+    3292, 3308, 3324, 3340, 3356, 3372, 3388, 3404, 
+    3420, 3436, 3452, 3468, 3484, 3500, 3516, 3532, 
+
+    3548, 3564, 3580, 3596, 3612, 3628, 1548, 3644, 
+    3660, 3676, 3692, 1548, 1548, 1548, 1548, 1548, 
+    3708, 3724, 3740, 3756, 3772, 3788, 3804, 3820, 
+    1548, 3836, 3852, 1548, 3868, 1548, 1548, 1548, 
+    3884, 1548, 3900, 3916, 3932, 1548, 3948, 3964, 
+    3980, 1548, 3996, 1548, 1548, 1548, 4012, 1548, 
+    1548, 1548, 4028, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 4044, 4060, 
+    4076, 4092, 4108, 4124, 4140, 4156, 4172, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    4188, 1548, 1548, 1548, 1548, 1548, 1548, 4204, 
+    1548, 1548, 1548, 1548, 1548, 4220, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 4236, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 1548, 1548, 1548, 1548, 1548, 1548, 1548, 
+    1548, 4252, 1548, 1548, 1548, 1548, 1548, 4268, 
+    4284, 4300, 4316, 4332, 4348, 4364, 4380, 4396, 
+    4412, 4428, 4444, 4460, 4476, 4492, 1548, 1548, 
+
+    4508, 1548, 1548, 4524, 4540, 4556, 4572, 4588, 
+    1548, 4604, 4620, 4636, 4652, 4668, 1548, 4684, 
+    1548, 1548, 1548, 4700, 4716, 4732, 4748, 4764, 
+    4780, 4796, 1548, 1548, 1548, 1548, 1548, 1548, 
+    4812, 4828, 4844, 4860, 4876, 4892, 4908, 4924, 
+    4940, 4956, 4972, 4988, 5004, 5020, 5036, 5052, 
+    5068, 5084, 5100, 5116, 5132, 5148, 5164, 5180, 
+    5196, 5212, 5228, 5244, 5260, 5276, 5292, 5308, 
+
+    // 0x3400 - 0x30000
+
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+
+    5324, 5324, 5324, 5324, 5324, 5580, 5836, 6092, 
+    6348, 6604, 6860, 7116, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 7372, 5324, 5324, 
+    7628, 7884, 8140, 8396, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+    5324, 5324, 5324, 5324, 5324, 5324, 5324, 5324, 
+
+    5324, 5324, 5324, 5324, 8652, 8908, 9164, 5324, 
+    5324, 5324, 5324, 5324, 
+
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x0, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x2, 0xffff, 0x5, 0xffff, 0xffff, 0xffff, 0xffff, 0x7, 
+
+    0xffff, 0xffff, 0xa, 0xc, 0xe, 0x11, 0xffff, 0xffff, 
+    0x13, 0x16, 0x18, 0xffff, 0x1a, 0x1e, 0x22, 0xffff, 
+
+    0x26, 0x29, 0x2c, 0x2f, 0x32, 0x35, 0xffff, 0x38, 
+    0x3b, 0x3e, 0x41, 0x44, 0x47, 0x4a, 0x4d, 0x50, 
+
+    0xffff, 0x53, 0x56, 0x59, 0x5c, 0x5f, 0x62, 0xffff, 
+    0xffff, 0x65, 0x68, 0x6b, 0x6e, 0x71, 0xffff, 0xffff, 
+
+    0x74, 0x77, 0x7a, 0x7d, 0x80, 0x83, 0xffff, 0x86, 
+    0x89, 0x8c, 0x8f, 0x92, 0x95, 0x98, 0x9b, 0x9e, 
+
+    0xffff, 0xa1, 0xa4, 0xa7, 0xaa, 0xad, 0xb0, 0xffff, 
+    0xffff, 0xb3, 0xb6, 0xb9, 0xbc, 0xbf, 0xffff, 0xc2, 
+
+    0xc5, 0xc8, 0xcb, 0xce, 0xd1, 0xd4, 0xd7, 0xda, 
+    0xdd, 0xe0, 0xe3, 0xe6, 0xe9, 0xec, 0xef, 0xf2, 
+
+    0xffff, 0xffff, 0xf5, 0xf8, 0xfb, 0xfe, 0x101, 0x104, 
+    0x107, 0x10a, 0x10d, 0x110, 0x113, 0x116, 0x119, 0x11c, 
+
+    0x11f, 0x122, 0x125, 0x128, 0x12b, 0x12e, 0xffff, 0xffff, 
+    0x131, 0x134, 0x137, 0x13a, 0x13d, 0x140, 0x143, 0x146, 
+
+    0x149, 0xffff, 0x14c, 0x14f, 0x152, 0x155, 0x158, 0x15b, 
+    0xffff, 0x15e, 0x161, 0x164, 0x167, 0x16a, 0x16d, 0x170, 
+
+    0x173, 0xffff, 0xffff, 0x176, 0x179, 0x17c, 0x17f, 0x182, 
+    0x185, 0x188, 0xffff, 0xffff, 0x18b, 0x18e, 0x191, 0x194, 
+
+    0x197, 0x19a, 0xffff, 0xffff, 0x19d, 0x1a0, 0x1a3, 0x1a6, 
+    0x1a9, 0x1ac, 0x1af, 0x1b2, 0x1b5, 0x1b8, 0x1bb, 0x1be, 
+
+    0x1c1, 0x1c4, 0x1c7, 0x1ca, 0x1cd, 0x1d0, 0xffff, 0xffff, 
+    0x1d3, 0x1d6, 0x1d9, 0x1dc, 0x1df, 0x1e2, 0x1e5, 0x1e8, 
+
+    0x1eb, 0x1ee, 0x1f1, 0x1f4, 0x1f7, 0x1fa, 0x1fd, 0x200, 
+    0x203, 0x206, 0x209, 0x20c, 0x20f, 0x212, 0x215, 0x218, 
+
+    0x21a, 0x21d, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x220, 
+
+    0x223, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0x226, 0x229, 0x22c, 0x22f, 
+    0x232, 0x235, 0x238, 0x23b, 0x23e, 0x241, 0x244, 0x247, 
+
+    0x24a, 0x24d, 0x250, 0x253, 0x256, 0x259, 0x25c, 0x25f, 
+    0x262, 0x265, 0x268, 0x26b, 0x26e, 0xffff, 0x271, 0x274, 
+
+    0x277, 0x27a, 0x27d, 0x280, 0xffff, 0xffff, 0x283, 0x286, 
+    0x289, 0x28c, 0x28f, 0x292, 0x295, 0x298, 0x29b, 0x29e, 
+
+    0x2a1, 0x2a4, 0x2a7, 0x2aa, 0x2ad, 0x2b0, 0xffff, 0xffff, 
+    0x2b3, 0x2b6, 0x2b9, 0x2bc, 0x2bf, 0x2c2, 0x2c5, 0x2c8, 
+
+    0x2cb, 0x2ce, 0x2d1, 0x2d4, 0x2d7, 0x2da, 0x2dd, 0x2e0, 
+    0x2e3, 0x2e6, 0x2e9, 0x2ec, 0x2ef, 0x2f2, 0x2f5, 0x2f8, 
+
+    0x2fb, 0x2fe, 0x301, 0x304, 0x307, 0x30a, 0x30d, 0x310, 
+    0x313, 0x316, 0x319, 0x31c, 0xffff, 0xffff, 0x31f, 0x322, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x325, 0x328, 
+    0x32b, 0x32e, 0x331, 0x334, 0x337, 0x33a, 0x33d, 0x340, 
+
+    0x343, 0x346, 0x349, 0x34c, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x34f, 0x351, 0x353, 0x355, 0x357, 0x359, 0x35b, 0x35d, 
+    0x35f, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x361, 0x364, 0x367, 0x36a, 0x36d, 0x370, 0xffff, 0xffff, 
+
+    0x373, 0x375, 0x377, 0x379, 0x37b, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x37d, 0x37f, 0xffff, 0x381, 0x383, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0x386, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0x388, 0xffff, 0xffff, 0xffff, 0x38b, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0x38d, 0x390, 0x393, 0x396, 
+    0x398, 0x39b, 0x39e, 0xffff, 0x3a1, 0xffff, 0x3a4, 0x3a7, 
+
+    0x3aa, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0x3ad, 0x3b0, 0x3b3, 0x3b6, 0x3b9, 0x3bc, 
+
+    0x3bf, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0x3c2, 0x3c5, 0x3c8, 0x3cb, 0x3ce, 0xffff, 
+
+    0x3d1, 0x3d3, 0x3d5, 0x3d7, 0x3da, 0x3dd, 0x3df, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x3e1, 0x3e3, 0x3e5, 0xffff, 0x3e7, 0x3e9, 0xffff, 0xffff, 
+    0xffff, 0x3eb, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x3ed, 0x3f0, 0xffff, 0x3f3, 0xffff, 0xffff, 0xffff, 0x3f6, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x3f9, 0x3fc, 0x3ff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0x402, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0x405, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x408, 0x40b, 0xffff, 0x40e, 0xffff, 0xffff, 0xffff, 0x411, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x414, 0x417, 0x41a, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x41d, 0x420, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0x423, 0x426, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x429, 0x42c, 0x42f, 0x432, 0xffff, 0xffff, 0x435, 0x438, 
+    0xffff, 0xffff, 0x43b, 0x43e, 0x441, 0x444, 0x447, 0x44a, 
+
+    0xffff, 0xffff, 0x44d, 0x450, 0x453, 0x456, 0x459, 0x45c, 
+    0xffff, 0xffff, 0x45f, 0x462, 0x465, 0x468, 0x46b, 0x46e, 
+
+    0x471, 0x474, 0x477, 0x47a, 0x47d, 0x480, 0xffff, 0xffff, 
+    0x483, 0x486, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x489, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0x48c, 0x48f, 0x492, 0x495, 0x498, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x49b, 0x49e, 0x4a1, 
+    0x4a4, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x4a7, 0xffff, 0x4aa, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0x4ad, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0x4b0, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0x4b3, 0xffff, 0xffff, 0x4b6, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x4b9, 0x4bc, 0x4bf, 0x4c2, 0x4c5, 0x4c8, 0x4cb, 0x4ce, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x4d1, 0x4d4, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x4d7, 0x4da, 0xffff, 0x4dd, 
+
+    0xffff, 0xffff, 0xffff, 0x4e0, 0xffff, 0xffff, 0x4e3, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0x4e6, 0x4e9, 0x4ec, 0xffff, 0xffff, 0x4ef, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x4f2, 0xffff, 0xffff, 0x4f5, 0x4f8, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x4fb, 0x4fe, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0x501, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0x504, 0x507, 0x50a, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x50d, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x510, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x513, 
+    0x516, 0xffff, 0x519, 0x51c, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0x51f, 0x522, 0x525, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0x528, 0xffff, 0x52b, 0x52e, 0x531, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0x534, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0x537, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x53a, 0x53d, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x540, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0x542, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x545, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0x548, 0xffff, 0xffff, 0xffff, 0xffff, 0x54b, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x54e, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0x551, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0x554, 0xffff, 0x557, 0x55a, 0x55d, 
+    0x560, 0x563, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0x566, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0x569, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x56c, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0x56f, 0xffff, 0xffff, 0xffff, 0xffff, 0x572, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x575, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0x578, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x57b, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x57e, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x580, 0xffff, 
+    0x583, 0xffff, 0x586, 0xffff, 0x589, 0xffff, 0x58c, 0xffff, 
+
+    0xffff, 0xffff, 0x58f, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x592, 0xffff, 0x595, 0xffff, 0xffff, 
+
+    0x598, 0x59b, 0xffff, 0x59e, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x5a1, 0x5a3, 0x5a5, 0xffff, 
+
+    0x5a7, 0x5a9, 0x5ab, 0x5ad, 0x5af, 0x5b1, 0x5b3, 0x5b5, 
+    0x5b7, 0x5b9, 0x5bb, 0xffff, 0x5bd, 0x5bf, 0x5c1, 0x5c3, 
+
+    0x5c5, 0x5c7, 0x5c9, 0x5cb, 0x5cd, 0x5cf, 0x5d1, 0x5d3, 
+    0x5d5, 0x5d7, 0x5d9, 0x5db, 0x5dd, 0x5df, 0xffff, 0x5e1, 
+
+    0x5e3, 0x5e5, 0x5e7, 0x5e9, 0x5eb, 0x5ed, 0x5ef, 0x5f1, 
+    0x5f3, 0x5f5, 0x5f7, 0x5f9, 0x5fb, 0x5fd, 0x5ff, 0x601, 
+
+    0x603, 0x605, 0x607, 0x609, 0x60b, 0x60d, 0x60f, 0x611, 
+    0x613, 0x615, 0x617, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x619, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x61b, 0x61d, 0x61f, 0x621, 0x623, 
+
+    0x625, 0x627, 0x629, 0x62b, 0x62d, 0x62f, 0x631, 0x633, 
+    0x635, 0x637, 0x639, 0x63b, 0x63d, 0x63f, 0x641, 0x643, 
+
+    0x645, 0x647, 0x649, 0x64b, 0x64d, 0x64f, 0x651, 0x653, 
+    0x655, 0x657, 0x659, 0x65b, 0x65d, 0x65f, 0x661, 0x663, 
+
+    0x665, 0x668, 0x66b, 0x66e, 0x671, 0x674, 0x677, 0x67a, 
+    0x67d, 0x680, 0x683, 0x686, 0x689, 0x68c, 0x68f, 0x692, 
+
+    0x695, 0x698, 0x69b, 0x69e, 0x6a1, 0x6a4, 0x6a7, 0x6aa, 
+    0x6ad, 0x6b0, 0x6b3, 0x6b6, 0x6b9, 0x6bc, 0x6bf, 0x6c2, 
+
+    0x6c5, 0x6c8, 0x6cb, 0x6ce, 0x6d1, 0x6d4, 0x6d7, 0x6da, 
+    0x6dd, 0x6e0, 0x6e3, 0x6e6, 0x6e9, 0x6ec, 0x6ef, 0x6f2, 
+
+    0x6f5, 0x6f8, 0x6fb, 0x6fe, 0x701, 0x704, 0x707, 0x70a, 
+    0x70d, 0x710, 0x713, 0x716, 0x719, 0x71c, 0x71f, 0x722, 
+
+    0x725, 0x728, 0x72b, 0x72e, 0x731, 0x734, 0x737, 0x73a, 
+    0x73d, 0x740, 0x743, 0x746, 0x749, 0x74c, 0x74f, 0x752, 
+
+    0x755, 0x758, 0x75b, 0x75e, 0x761, 0x764, 0x767, 0x76a, 
+    0x76d, 0x770, 0x773, 0x776, 0x779, 0x77c, 0x77f, 0x782, 
+
+    0x785, 0x788, 0x78b, 0x78e, 0x791, 0x794, 0x797, 0x79a, 
+    0x79d, 0x7a0, 0x7a3, 0x7a6, 0x7a9, 0x7ac, 0x7af, 0x7b2, 
+
+    0x7b5, 0x7b8, 0x7bb, 0x7be, 0x7c1, 0x7c4, 0x7c7, 0x7ca, 
+    0x7cd, 0x7d0, 0x7d3, 0x7d6, 0x7d9, 0x7dc, 0x7df, 0x7e2, 
+
+    0x7e5, 0x7e8, 0x7eb, 0x7ee, 0x7f1, 0x7f4, 0x7f7, 0x7fa, 
+    0x7fd, 0x800, 0x803, 0x806, 0x809, 0x80c, 0x80f, 0x812, 
+
+    0x815, 0x818, 0x81b, 0x81e, 0x821, 0x824, 0x827, 0x82a, 
+    0x82d, 0x830, 0x833, 0x836, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x839, 0x83c, 0x83f, 0x842, 0x845, 0x848, 0x84b, 0x84e, 
+    0x851, 0x854, 0x857, 0x85a, 0x85d, 0x860, 0x863, 0x866, 
+
+    0x869, 0x86c, 0x86f, 0x872, 0x875, 0x878, 0x87b, 0x87e, 
+    0x881, 0x884, 0x887, 0x88a, 0x88d, 0x890, 0x893, 0x896, 
+
+    0x899, 0x89c, 0x89f, 0x8a2, 0x8a5, 0x8a8, 0x8ab, 0x8ae, 
+    0x8b1, 0x8b4, 0x8b7, 0x8ba, 0x8bd, 0x8c0, 0x8c3, 0x8c6, 
+
+    0x8c9, 0x8cc, 0x8cf, 0x8d2, 0x8d5, 0x8d8, 0x8db, 0x8de, 
+    0x8e1, 0x8e4, 0x8e7, 0x8ea, 0x8ed, 0x8f0, 0x8f3, 0x8f6, 
+
+    0x8f9, 0x8fc, 0x8ff, 0x902, 0x905, 0x908, 0x90b, 0x90e, 
+    0x911, 0x914, 0x917, 0x91a, 0x91d, 0x920, 0x923, 0x926, 
+
+    0x929, 0x92c, 0x92f, 0x932, 0x935, 0x938, 0x93b, 0x93e, 
+    0x941, 0x944, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x947, 0x94a, 0x94d, 0x950, 0x953, 0x956, 0x959, 0x95c, 
+    0x95f, 0x962, 0x965, 0x968, 0x96b, 0x96e, 0x971, 0x974, 
+
+    0x977, 0x97a, 0x97d, 0x980, 0x983, 0x986, 0xffff, 0xffff, 
+    0x989, 0x98c, 0x98f, 0x992, 0x995, 0x998, 0xffff, 0xffff, 
+
+    0x99b, 0x99e, 0x9a1, 0x9a4, 0x9a7, 0x9aa, 0x9ad, 0x9b0, 
+    0x9b3, 0x9b6, 0x9b9, 0x9bc, 0x9bf, 0x9c2, 0x9c5, 0x9c8, 
+
+    0x9cb, 0x9ce, 0x9d1, 0x9d4, 0x9d7, 0x9da, 0x9dd, 0x9e0, 
+    0x9e3, 0x9e6, 0x9e9, 0x9ec, 0x9ef, 0x9f2, 0x9f5, 0x9f8, 
+
+    0x9fb, 0x9fe, 0xa01, 0xa04, 0xa07, 0xa0a, 0xffff, 0xffff, 
+    0xa0d, 0xa10, 0xa13, 0xa16, 0xa19, 0xa1c, 0xffff, 0xffff, 
+
+    0xa1f, 0xa22, 0xa25, 0xa28, 0xa2b, 0xa2e, 0xa31, 0xa34, 
+    0xffff, 0xa37, 0xffff, 0xa3a, 0xffff, 0xa3d, 0xffff, 0xa40, 
+
+    0xa43, 0xa46, 0xa49, 0xa4c, 0xa4f, 0xa52, 0xa55, 0xa58, 
+    0xa5b, 0xa5e, 0xa61, 0xa64, 0xa67, 0xa6a, 0xa6d, 0xa70, 
+
+    0xa73, 0xa76, 0xa78, 0xa7b, 0xa7d, 0xa80, 0xa82, 0xa85, 
+    0xa87, 0xa8a, 0xa8c, 0xa8f, 0xa91, 0xa94, 0xffff, 0xffff, 
+
+    0xa96, 0xa99, 0xa9c, 0xa9f, 0xaa2, 0xaa5, 0xaa8, 0xaab, 
+    0xaae, 0xab1, 0xab4, 0xab7, 0xaba, 0xabd, 0xac0, 0xac3, 
+
+    0xac6, 0xac9, 0xacc, 0xacf, 0xad2, 0xad5, 0xad8, 0xadb, 
+    0xade, 0xae1, 0xae4, 0xae7, 0xaea, 0xaed, 0xaf0, 0xaf3, 
+
+    0xaf6, 0xaf9, 0xafc, 0xaff, 0xb02, 0xb05, 0xb08, 0xb0b, 
+    0xb0e, 0xb11, 0xb14, 0xb17, 0xb1a, 0xb1d, 0xb20, 0xb23, 
+
+    0xb26, 0xb29, 0xb2c, 0xb2f, 0xb32, 0xffff, 0xb35, 0xb38, 
+    0xb3b, 0xb3e, 0xb41, 0xb44, 0xb46, 0xb49, 0xb4c, 0xb4e, 
+
+    0xb51, 0xb54, 0xb57, 0xb5a, 0xb5d, 0xffff, 0xb60, 0xb63, 
+    0xb66, 0xb69, 0xb6b, 0xb6e, 0xb70, 0xb73, 0xb76, 0xb79, 
+
+    0xb7c, 0xb7f, 0xb82, 0xb85, 0xffff, 0xffff, 0xb87, 0xb8a, 
+    0xb8d, 0xb90, 0xb93, 0xb96, 0xffff, 0xb98, 0xb9b, 0xb9e, 
+
+    0xba1, 0xba4, 0xba7, 0xbaa, 0xbac, 0xbaf, 0xbb2, 0xbb5, 
+    0xbb8, 0xbbb, 0xbbe, 0xbc1, 0xbc3, 0xbc6, 0xbc9, 0xbcb, 
+
+    0xffff, 0xffff, 0xbcd, 0xbd0, 0xbd3, 0xffff, 0xbd6, 0xbd9, 
+    0xbdc, 0xbdf, 0xbe1, 0xbe4, 0xbe6, 0xbe9, 0xbeb, 0xffff, 
+
+    0xbee, 0xbf0, 0xbf2, 0xbf4, 0xbf6, 0xbf8, 0xbfa, 0xbfc, 
+    0xbfe, 0xc00, 0xc02, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xc04, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xc06, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xc09, 0xc0b, 0xc0e, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xc12, 
+
+    0xffff, 0xffff, 0xffff, 0xc14, 0xc17, 0xffff, 0xc1b, 0xc1e, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xc22, 0xffff, 0xc25, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xc28, 
+    0xc2b, 0xc2e, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xc31, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xc36, 
+
+    0xc38, 0xc3a, 0xffff, 0xffff, 0xc3c, 0xc3e, 0xc40, 0xc42, 
+    0xc44, 0xc46, 0xc48, 0xc4a, 0xc4c, 0xc4e, 0xc50, 0xc52, 
+
+    0xc54, 0xc56, 0xc58, 0xc5a, 0xc5c, 0xc5e, 0xc60, 0xc62, 
+    0xc64, 0xc66, 0xc68, 0xc6a, 0xc6c, 0xc6e, 0xc70, 0xffff, 
+
+    0xc72, 0xc74, 0xc76, 0xc78, 0xc7a, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xc7c, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xc7f, 0xc83, 0xc87, 0xc89, 0xffff, 0xc8c, 0xc90, 0xc94, 
+    0xffff, 0xc96, 0xc99, 0xc9b, 0xc9d, 0xc9f, 0xca1, 0xca3, 
+
+    0xca5, 0xca7, 0xca9, 0xcab, 0xffff, 0xcad, 0xcaf, 0xffff, 
+    0xffff, 0xcb2, 0xcb4, 0xcb6, 0xcb8, 0xcba, 0xffff, 0xffff, 
+
+    0xcbc, 0xcbf, 0xcc3, 0xffff, 0xcc6, 0xffff, 0xcc8, 0xffff, 
+    0xcca, 0xffff, 0xccc, 0xcce, 0xcd0, 0xcd2, 0xffff, 0xcd4, 
+
+    0xcd6, 0xcd8, 0xffff, 0xcda, 0xcdc, 0xcde, 0xce0, 0xce2, 
+    0xce4, 0xce6, 0xffff, 0xce8, 0xcec, 0xcee, 0xcf0, 0xcf2, 
+
+    0xcf4, 0xffff, 0xffff, 0xffff, 0xffff, 0xcf6, 0xcf8, 0xcfa, 
+    0xcfc, 0xcfe, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xd00, 0xd04, 0xd08, 0xd0c, 0xd10, 
+    0xd14, 0xd18, 0xd1c, 0xd20, 0xd24, 0xd28, 0xd2c, 0xd30, 
+
+    0xd33, 0xd35, 0xd38, 0xd3c, 0xd3f, 0xd41, 0xd44, 0xd48, 
+    0xd4d, 0xd50, 0xd52, 0xd55, 0xd59, 0xd5b, 0xd5d, 0xd5f, 
+
+    0xd61, 0xd63, 0xd66, 0xd6a, 0xd6d, 0xd6f, 0xd72, 0xd76, 
+    0xd7b, 0xd7e, 0xd80, 0xd83, 0xd87, 0xd89, 0xd8b, 0xd8d, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xd8f, 0xd92, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xd95, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xd98, 0xd9b, 0xd9e, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xda1, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xda4, 0xffff, 0xffff, 0xda7, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xdaa, 0xffff, 0xdad, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xdb0, 0xdb3, 0xffff, 0xdb7, 
+
+    0xdba, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xdbe, 0xffff, 0xffff, 0xdc1, 0xffff, 0xffff, 0xdc4, 
+    0xffff, 0xdc7, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xdca, 0xffff, 0xdcd, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xdd0, 0xdd3, 0xdd6, 
+
+    0xdd9, 0xddc, 0xffff, 0xffff, 0xddf, 0xde2, 0xffff, 0xffff, 
+    0xde5, 0xde8, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xdeb, 0xdee, 0xffff, 0xffff, 0xdf1, 0xdf4, 0xffff, 0xffff, 
+    0xdf7, 0xdfa, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xdfd, 0xe00, 0xe03, 0xe06, 
+
+    0xe09, 0xe0c, 0xe0f, 0xe12, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xe15, 0xe18, 0xe1b, 0xe1e, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xe21, 0xe23, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xe25, 0xe27, 0xe29, 0xe2b, 0xe2d, 0xe2f, 0xe31, 0xe33, 
+    0xe35, 0xe37, 0xe3a, 0xe3d, 0xe40, 0xe43, 0xe46, 0xe49, 
+
+    0xe4c, 0xe4f, 0xe52, 0xe55, 0xe58, 0xe5c, 0xe60, 0xe64, 
+    0xe68, 0xe6c, 0xe70, 0xe74, 0xe78, 0xe7c, 0xe81, 0xe86, 
+
+    0xe8b, 0xe90, 0xe95, 0xe9a, 0xe9f, 0xea4, 0xea9, 0xeae, 
+    0xeb3, 0xeb6, 0xeb9, 0xebc, 0xebf, 0xec2, 0xec5, 0xec8, 
+
+    0xecb, 0xece, 0xed2, 0xed6, 0xeda, 0xede, 0xee2, 0xee6, 
+    0xeea, 0xeee, 0xef2, 0xef6, 0xefa, 0xefe, 0xf02, 0xf06, 
+
+    0xf0a, 0xf0e, 0xf12, 0xf16, 0xf1a, 0xf1e, 0xf22, 0xf26, 
+    0xf2a, 0xf2e, 0xf32, 0xf36, 0xf3a, 0xf3e, 0xf42, 0xf46, 
+
+    0xf4a, 0xf4e, 0xf52, 0xf56, 0xf5a, 0xf5e, 0xf62, 0xf64, 
+    0xf66, 0xf68, 0xf6a, 0xf6c, 0xf6e, 0xf70, 0xf72, 0xf74, 
+
+    0xf76, 0xf78, 0xf7a, 0xf7c, 0xf7e, 0xf80, 0xf82, 0xf84, 
+    0xf86, 0xf88, 0xf8a, 0xf8c, 0xf8e, 0xf90, 0xf92, 0xf94, 
+
+    0xf96, 0xf98, 0xf9a, 0xf9c, 0xf9e, 0xfa0, 0xfa2, 0xfa4, 
+    0xfa6, 0xfa8, 0xfaa, 0xfac, 0xfae, 0xfb0, 0xfb2, 0xfb4, 
+
+    0xfb6, 0xfb8, 0xfba, 0xfbc, 0xfbe, 0xfc0, 0xfc2, 0xfc4, 
+    0xfc6, 0xfc8, 0xfca, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xfcc, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xfd1, 0xfd5, 0xfd8, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xfdc, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xfdf, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xfe1, 
+
+    0xffff, 0xffff, 0xffff, 0xfe3, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xfe5, 0xfe7, 0xfe9, 0xfeb, 0xfed, 0xfef, 0xff1, 0xff3, 
+    0xff5, 0xff7, 0xff9, 0xffb, 0xffd, 0xfff, 0x1001, 0x1003, 
+
+    0x1005, 0x1007, 0x1009, 0x100b, 0x100d, 0x100f, 0x1011, 0x1013, 
+    0x1015, 0x1017, 0x1019, 0x101b, 0x101d, 0x101f, 0x1021, 0x1023, 
+
+    0x1025, 0x1027, 0x1029, 0x102b, 0x102d, 0x102f, 0x1031, 0x1033, 
+    0x1035, 0x1037, 0x1039, 0x103b, 0x103d, 0x103f, 0x1041, 0x1043, 
+
+    0x1045, 0x1047, 0x1049, 0x104b, 0x104d, 0x104f, 0x1051, 0x1053, 
+    0x1055, 0x1057, 0x1059, 0x105b, 0x105d, 0x105f, 0x1061, 0x1063, 
+
+    0x1065, 0x1067, 0x1069, 0x106b, 0x106d, 0x106f, 0x1071, 0x1073, 
+    0x1075, 0x1077, 0x1079, 0x107b, 0x107d, 0x107f, 0x1081, 0x1083, 
+
+    0x1085, 0x1087, 0x1089, 0x108b, 0x108d, 0x108f, 0x1091, 0x1093, 
+    0x1095, 0x1097, 0x1099, 0x109b, 0x109d, 0x109f, 0x10a1, 0x10a3, 
+
+    0x10a5, 0x10a7, 0x10a9, 0x10ab, 0x10ad, 0x10af, 0x10b1, 0x10b3, 
+    0x10b5, 0x10b7, 0x10b9, 0x10bb, 0x10bd, 0x10bf, 0x10c1, 0x10c3, 
+
+    0x10c5, 0x10c7, 0x10c9, 0x10cb, 0x10cd, 0x10cf, 0x10d1, 0x10d3, 
+    0x10d5, 0x10d7, 0x10d9, 0x10db, 0x10dd, 0x10df, 0x10e1, 0x10e3, 
+
+    0x10e5, 0x10e7, 0x10e9, 0x10eb, 0x10ed, 0x10ef, 0x10f1, 0x10f3, 
+    0x10f5, 0x10f7, 0x10f9, 0x10fb, 0x10fd, 0x10ff, 0x1101, 0x1103, 
+
+    0x1105, 0x1107, 0x1109, 0x110b, 0x110d, 0x110f, 0x1111, 0x1113, 
+    0x1115, 0x1117, 0x1119, 0x111b, 0x111d, 0x111f, 0x1121, 0x1123, 
+
+    0x1125, 0x1127, 0x1129, 0x112b, 0x112d, 0x112f, 0x1131, 0x1133, 
+    0x1135, 0x1137, 0x1139, 0x113b, 0x113d, 0x113f, 0x1141, 0x1143, 
+
+    0x1145, 0x1147, 0x1149, 0x114b, 0x114d, 0x114f, 0x1151, 0x1153, 
+    0x1155, 0x1157, 0x1159, 0x115b, 0x115d, 0x115f, 0x1161, 0x1163, 
+
+    0x1165, 0x1167, 0x1169, 0x116b, 0x116d, 0x116f, 0x1171, 0x1173, 
+    0x1175, 0x1177, 0x1179, 0x117b, 0x117d, 0x117f, 0x1181, 0x1183, 
+
+    0x1185, 0x1187, 0x1189, 0x118b, 0x118d, 0x118f, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x1191, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x1193, 0xffff, 
+    0x1195, 0x1197, 0x1199, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x119b, 0xffff, 0x119e, 0xffff, 
+
+    0x11a1, 0xffff, 0x11a4, 0xffff, 0x11a7, 0xffff, 0x11aa, 0xffff, 
+    0x11ad, 0xffff, 0x11b0, 0xffff, 0x11b3, 0xffff, 0x11b6, 0xffff, 
+
+    0x11b9, 0xffff, 0x11bc, 0xffff, 0xffff, 0x11bf, 0xffff, 0x11c2, 
+    0xffff, 0x11c5, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x11c8, 0x11cb, 0xffff, 0x11ce, 0x11d1, 0xffff, 0x11d4, 0x11d7, 
+    0xffff, 0x11da, 0x11dd, 0xffff, 0x11e0, 0x11e3, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0x11e6, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x11e9, 0x11ec, 0xffff, 0x11ef, 0x11f2, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x11f5, 0xffff, 0x11f8, 0xffff, 
+
+    0x11fb, 0xffff, 0x11fe, 0xffff, 0x1201, 0xffff, 0x1204, 0xffff, 
+    0x1207, 0xffff, 0x120a, 0xffff, 0x120d, 0xffff, 0x1210, 0xffff, 
+
+    0x1213, 0xffff, 0x1216, 0xffff, 0xffff, 0x1219, 0xffff, 0x121c, 
+    0xffff, 0x121f, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x1222, 0x1225, 0xffff, 0x1228, 0x122b, 0xffff, 0x122e, 0x1231, 
+    0xffff, 0x1234, 0x1237, 0xffff, 0x123a, 0x123d, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0x1240, 0xffff, 0xffff, 0x1243, 
+    0x1246, 0x1249, 0x124c, 0xffff, 0xffff, 0xffff, 0x124f, 0x1252, 
+
+    0xffff, 0x1255, 0x1257, 0x1259, 0x125b, 0x125d, 0x125f, 0x1261, 
+    0x1263, 0x1265, 0x1267, 0x1269, 0x126b, 0x126d, 0x126f, 0x1271, 
+
+    0x1273, 0x1275, 0x1277, 0x1279, 0x127b, 0x127d, 0x127f, 0x1281, 
+    0x1283, 0x1285, 0x1287, 0x1289, 0x128b, 0x128d, 0x128f, 0x1291, 
+
+    0x1293, 0x1295, 0x1297, 0x1299, 0x129b, 0x129d, 0x129f, 0x12a1, 
+    0x12a3, 0x12a5, 0x12a7, 0x12a9, 0x12ab, 0x12ad, 0x12af, 0x12b1, 
+
+    0x12b3, 0x12b5, 0x12b7, 0x12b9, 0x12bb, 0x12bd, 0x12bf, 0x12c1, 
+    0x12c3, 0x12c5, 0x12c7, 0x12c9, 0x12cb, 0x12cd, 0x12cf, 0x12d1, 
+
+    0x12d3, 0x12d5, 0x12d7, 0x12d9, 0x12db, 0x12dd, 0x12df, 0x12e1, 
+    0x12e3, 0x12e5, 0x12e7, 0x12e9, 0x12eb, 0x12ed, 0x12ef, 0x12f1, 
+
+    0x12f3, 0x12f5, 0x12f7, 0x12f9, 0x12fb, 0x12fd, 0x12ff, 0x1301, 
+    0x1303, 0x1305, 0x1307, 0x1309, 0x130b, 0x130d, 0x130f, 0xffff, 
+
+    0xffff, 0xffff, 0x1311, 0x1313, 0x1315, 0x1317, 0x1319, 0x131b, 
+    0x131d, 0x131f, 0x1321, 0x1323, 0x1325, 0x1327, 0x1329, 0x132b, 
+
+    0x132d, 0x1331, 0x1335, 0x1339, 0x133d, 0x1341, 0x1345, 0x1349, 
+    0x134d, 0x1351, 0x1355, 0x1359, 0x135d, 0x1361, 0x1365, 0x136a, 
+
+    0x136f, 0x1374, 0x1379, 0x137e, 0x1383, 0x1388, 0x138d, 0x1392, 
+    0x1397, 0x139c, 0x13a1, 0x13a6, 0x13ab, 0x13b0, 0x13b8, 0xffff, 
+
+    0x13bf, 0x13c3, 0x13c7, 0x13cb, 0x13cf, 0x13d3, 0x13d7, 0x13db, 
+    0x13df, 0x13e3, 0x13e7, 0x13eb, 0x13ef, 0x13f3, 0x13f7, 0x13fb, 
+
+    0x13ff, 0x1403, 0x1407, 0x140b, 0x140f, 0x1413, 0x1417, 0x141b, 
+    0x141f, 0x1423, 0x1427, 0x142b, 0x142f, 0x1433, 0x1437, 0x143b, 
+
+    0x143f, 0x1443, 0x1447, 0x144b, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x144f, 0x1453, 0x1456, 0x1459, 0x145c, 0x145f, 0x1462, 0x1465, 
+    0x1468, 0x146b, 0x146e, 0x1471, 0x1474, 0x1477, 0x147a, 0x147d, 
+
+    0x1480, 0x1482, 0x1484, 0x1486, 0x1488, 0x148a, 0x148c, 0x148e, 
+    0x1490, 0x1492, 0x1494, 0x1496, 0x1498, 0x149a, 0x149c, 0x149f, 
+
+    0x14a2, 0x14a5, 0x14a8, 0x14ab, 0x14ae, 0x14b1, 0x14b4, 0x14b7, 
+    0x14ba, 0x14bd, 0x14c0, 0x14c3, 0x14c6, 0x14cc, 0x14d1, 0xffff, 
+
+    0x14d4, 0x14d6, 0x14d8, 0x14da, 0x14dc, 0x14de, 0x14e0, 0x14e2, 
+    0x14e4, 0x14e6, 0x14e8, 0x14ea, 0x14ec, 0x14ee, 0x14f0, 0x14f2, 
+
+    0x14f4, 0x14f6, 0x14f8, 0x14fa, 0x14fc, 0x14fe, 0x1500, 0x1502, 
+    0x1504, 0x1506, 0x1508, 0x150a, 0x150c, 0x150e, 0x1510, 0x1512, 
+
+    0x1514, 0x1516, 0x1518, 0x151a, 0x151c, 0x151e, 0x1520, 0x1522, 
+    0x1524, 0x1526, 0x1528, 0x152a, 0x152c, 0x152e, 0x1530, 0x1532, 
+
+    0x1534, 0x1536, 0x1539, 0x153c, 0x153f, 0x1542, 0x1545, 0x1548, 
+    0x154b, 0x154e, 0x1551, 0x1554, 0x1557, 0x155a, 0x155d, 0x1560, 
+
+    0x1563, 0x1566, 0x1569, 0x156c, 0x156f, 0x1572, 0x1575, 0x1578, 
+    0x157b, 0x157e, 0x1582, 0x1586, 0x158a, 0x158d, 0x1591, 0x1594, 
+
+    0x1598, 0x159a, 0x159c, 0x159e, 0x15a0, 0x15a2, 0x15a4, 0x15a6, 
+    0x15a8, 0x15aa, 0x15ac, 0x15ae, 0x15b0, 0x15b2, 0x15b4, 0x15b6, 
+
+    0x15b8, 0x15ba, 0x15bc, 0x15be, 0x15c0, 0x15c2, 0x15c4, 0x15c6, 
+    0x15c8, 0x15ca, 0x15cc, 0x15ce, 0x15d0, 0x15d2, 0x15d4, 0x15d6, 
+
+    0x15d8, 0x15da, 0x15dc, 0x15de, 0x15e0, 0x15e2, 0x15e4, 0x15e6, 
+    0x15e8, 0x15ea, 0x15ec, 0x15ee, 0x15f0, 0x15f2, 0x15f4, 0xffff, 
+
+    0x15f6, 0x15fb, 0x1600, 0x1605, 0x1609, 0x160e, 0x1612, 0x1616, 
+    0x161c, 0x1621, 0x1625, 0x1629, 0x162d, 0x1632, 0x1637, 0x163b, 
+
+    0x163f, 0x1642, 0x1646, 0x164b, 0x1650, 0x1653, 0x1659, 0x1660, 
+    0x1666, 0x166a, 0x1670, 0x1676, 0x167b, 0x167f, 0x1683, 0x1687, 
+
+    0x168c, 0x1692, 0x1697, 0x169b, 0x169f, 0x16a3, 0x16a6, 0x16a9, 
+    0x16ac, 0x16af, 0x16b3, 0x16b7, 0x16bd, 0x16c1, 0x16c6, 0x16cc, 
+
+    0x16d0, 0x16d3, 0x16d6, 0x16dc, 0x16e1, 0x16e7, 0x16eb, 0x16f1, 
+    0x16f4, 0x16f8, 0x16fc, 0x1700, 0x1704, 0x1708, 0x170d, 0x1711, 
+
+    0x1714, 0x1718, 0x171c, 0x1720, 0x1725, 0x1729, 0x172d, 0x1731, 
+    0x1737, 0x173c, 0x173f, 0x1745, 0x1748, 0x174d, 0x1752, 0x1756, 
+
+    0x175a, 0x175e, 0x1763, 0x1766, 0x176a, 0x176f, 0x1772, 0x1778, 
+    0x177c, 0x177f, 0x1782, 0x1785, 0x1788, 0x178b, 0x178e, 0x1791, 
+
+    0x1794, 0x1797, 0x179a, 0x179e, 0x17a2, 0x17a6, 0x17aa, 0x17ae, 
+    0x17b2, 0x17b6, 0x17ba, 0x17be, 0x17c2, 0x17c6, 0x17ca, 0x17ce, 
+
+    0x17d2, 0x17d6, 0x17da, 0x17dd, 0x17e0, 0x17e4, 0x17e7, 0x17ea, 
+    0x17ed, 0x17f1, 0x17f5, 0x17f8, 0x17fb, 0x17fe, 0x1801, 0x1804, 
+
+    0x1809, 0x180c, 0x180f, 0x1812, 0x1815, 0x1818, 0x181b, 0x181e, 
+    0x1821, 0x1825, 0x182a, 0x182d, 0x1830, 0x1833, 0x1836, 0x1839, 
+
+    0x183c, 0x183f, 0x1843, 0x1847, 0x184b, 0x184f, 0x1852, 0x1855, 
+    0x1858, 0x185b, 0x185e, 0x1861, 0x1864, 0x1867, 0x186a, 0x186d, 
+
+    0x1871, 0x1875, 0x1878, 0x187c, 0x1880, 0x1884, 0x1887, 0x188b, 
+    0x188f, 0x1894, 0x1897, 0x189b, 0x189f, 0x18a3, 0x18a7, 0x18ad, 
+
+    0x18b4, 0x18b7, 0x18ba, 0x18bd, 0x18c0, 0x18c3, 0x18c6, 0x18c9, 
+    0x18cc, 0x18cf, 0x18d2, 0x18d5, 0x18d8, 0x18db, 0x18de, 0x18e1, 
+
+    0x18e4, 0x18e7, 0x18ea, 0x18ef, 0x18f2, 0x18f5, 0x18f8, 0x18fd, 
+    0x1901, 0x1904, 0x1907, 0x190a, 0x190d, 0x1910, 0x1913, 0x1916, 
+
+    0x1919, 0x191c, 0x191f, 0x1923, 0x1926, 0x1929, 0x192d, 0x1931, 
+    0x1934, 0x1939, 0x193d, 0x1940, 0x1943, 0x1946, 0x1949, 0x194d, 
+
+    0x1951, 0x1954, 0x1957, 0x195a, 0x195d, 0x1960, 0x1963, 0x1966, 
+    0x1969, 0x196c, 0x1970, 0x1974, 0x1978, 0x197c, 0x1980, 0x1984, 
+
+    0x1988, 0x198c, 0x1990, 0x1994, 0x1998, 0x199c, 0x19a0, 0x19a4, 
+    0x19a8, 0x19ac, 0x19b0, 0x19b4, 0x19b8, 0x19bc, 0x19c0, 0x19c4, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x19c8, 0x19ca, 0x19cc, 0x19ce, 0x19d0, 0x19d2, 0x19d4, 0x19d6, 
+    0x19d8, 0x19da, 0x19dc, 0x19de, 0x19e0, 0x19e2, 0x19e4, 0x19e6, 
+    0x19e8, 0x19ea, 0x19ec, 0x19ee, 0x19f0, 0x19f2, 0x19f4, 0x19f6, 
+    0x19f8, 0x19fa, 0x19fc, 0x19fe, 0x1a00, 0x1a02, 0x1a04, 0x1a06, 
+    0x1a08, 0x1a0a, 0x1a0c, 0x1a0e, 0x1a10, 0x1a12, 0x1a14, 0x1a16, 
+    0x1a18, 0x1a1a, 0x1a1c, 0x1a1e, 0x1a20, 0x1a22, 0x1a24, 0x1a26, 
+    0x1a28, 0x1a2a, 0x1a2c, 0x1a2e, 0x1a30, 0x1a32, 0x1a34, 0x1a36, 
+    0x1a38, 0x1a3a, 0x1a3c, 0x1a3e, 0x1a40, 0x1a42, 0x1a44, 0x1a46, 
+    0x1a48, 0x1a4a, 0x1a4c, 0x1a4e, 0x1a50, 0x1a52, 0x1a54, 0x1a56, 
+    0x1a58, 0x1a5a, 0x1a5c, 0x1a5e, 0x1a60, 0x1a62, 0x1a64, 0x1a66, 
+    0x1a68, 0x1a6a, 0x1a6c, 0x1a6e, 0x1a70, 0x1a72, 0x1a74, 0x1a76, 
+    0x1a78, 0x1a7a, 0x1a7c, 0x1a7e, 0x1a80, 0x1a82, 0x1a84, 0x1a86, 
+    0x1a88, 0x1a8a, 0x1a8c, 0x1a8e, 0x1a90, 0x1a92, 0x1a94, 0x1a96, 
+    0x1a98, 0x1a9a, 0x1a9c, 0x1a9e, 0x1aa0, 0x1aa2, 0x1aa4, 0x1aa6, 
+    0x1aa8, 0x1aaa, 0x1aac, 0x1aae, 0x1ab0, 0x1ab2, 0x1ab4, 0x1ab6, 
+    0x1ab8, 0x1aba, 0x1abc, 0x1abe, 0x1ac0, 0x1ac2, 0x1ac4, 0x1ac6, 
+    0x1ac8, 0x1aca, 0x1acc, 0x1ace, 0x1ad0, 0x1ad2, 0x1ad4, 0x1ad6, 
+    0x1ad8, 0x1ada, 0x1adc, 0x1ade, 0x1ae0, 0x1ae2, 0x1ae4, 0x1ae6, 
+    0x1ae8, 0x1aea, 0x1aec, 0x1aee, 0x1af0, 0x1af2, 0x1af4, 0x1af6, 
+    0x1af8, 0x1afa, 0x1afc, 0x1afe, 0x1b00, 0x1b02, 0x1b04, 0x1b06, 
+    0x1b08, 0x1b0a, 0x1b0c, 0x1b0e, 0x1b10, 0x1b12, 0x1b14, 0x1b16, 
+    0x1b18, 0x1b1a, 0x1b1c, 0x1b1e, 0x1b20, 0x1b22, 0x1b24, 0x1b26, 
+    0x1b28, 0x1b2a, 0x1b2c, 0x1b2e, 0x1b30, 0x1b32, 0x1b34, 0x1b36, 
+    0x1b38, 0x1b3a, 0x1b3c, 0x1b3e, 0x1b40, 0x1b42, 0x1b44, 0x1b46, 
+    0x1b48, 0x1b4a, 0x1b4c, 0x1b4e, 0x1b50, 0x1b52, 0x1b54, 0x1b56, 
+    0x1b58, 0x1b5a, 0x1b5c, 0x1b5e, 0x1b60, 0x1b62, 0x1b64, 0x1b66, 
+    0x1b68, 0x1b6a, 0x1b6c, 0x1b6e, 0x1b70, 0x1b72, 0x1b74, 0x1b76, 
+    0x1b78, 0x1b7a, 0x1b7c, 0x1b7e, 0x1b80, 0x1b82, 0x1b84, 0x1b86, 
+    0x1b88, 0x1b8a, 0x1b8c, 0x1b8e, 0x1b90, 0x1b92, 0x1b94, 0x1b96, 
+    0x1b98, 0x1b9a, 0x1b9c, 0x1b9e, 0x1ba0, 0x1ba2, 0x1ba4, 0x1ba6, 
+    0x1ba8, 0x1baa, 0x1bac, 0x1bae, 0x1bb0, 0x1bb2, 0x1bb4, 0x1bb6, 
+    0x1bb8, 0x1bba, 0x1bbc, 0x1bbe, 0x1bc0, 0x1bc2, 0x1bc4, 0x1bc6, 
+
+    0x1bc8, 0x1bca, 0x1bcc, 0x1bce, 0x1bd0, 0x1bd2, 0x1bd4, 0x1bd6, 
+    0x1bd8, 0x1bda, 0x1bdc, 0x1bde, 0x1be0, 0x1be2, 0xffff, 0xffff, 
+    0x1be4, 0xffff, 0x1be6, 0xffff, 0xffff, 0x1be8, 0x1bea, 0x1bec, 
+    0x1bee, 0x1bf0, 0x1bf2, 0x1bf4, 0x1bf6, 0x1bf8, 0x1bfa, 0xffff, 
+    0x1bfc, 0xffff, 0x1bfe, 0xffff, 0xffff, 0x1c00, 0x1c02, 0xffff, 
+    0xffff, 0xffff, 0x1c04, 0x1c06, 0x1c08, 0x1c0a, 0xffff, 0xffff, 
+    0x1c0c, 0x1c0e, 0x1c10, 0x1c12, 0x1c14, 0x1c16, 0x1c18, 0x1c1a, 
+    0x1c1c, 0x1c1e, 0x1c20, 0x1c22, 0x1c24, 0x1c26, 0x1c28, 0x1c2a, 
+    0x1c2c, 0x1c2e, 0x1c30, 0x1c32, 0x1c34, 0x1c36, 0x1c38, 0x1c3a, 
+    0x1c3c, 0x1c3e, 0x1c40, 0x1c42, 0x1c44, 0x1c46, 0x1c48, 0x1c4a, 
+    0x1c4c, 0x1c4e, 0x1c50, 0x1c52, 0x1c54, 0x1c56, 0x1c58, 0x1c5a, 
+    0x1c5c, 0x1c5e, 0x1c60, 0x1c62, 0x1c64, 0x1c66, 0x1c68, 0x1c6a, 
+    0x1c6c, 0x1c6e, 0x1c70, 0x1c72, 0x1c74, 0x1c76, 0x1c78, 0x1c7a, 
+    0x1c7c, 0x1c7e, 0x1c80, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x1c82, 0x1c84, 0x1c86, 0x1c88, 0x1c8a, 0x1c8c, 0x1c8e, 0x1c90, 
+    0x1c92, 0x1c94, 0x1c96, 0x1c98, 0x1c9a, 0x1c9c, 0x1c9e, 0x1ca0, 
+    0x1ca2, 0x1ca4, 0x1ca6, 0x1ca8, 0x1caa, 0x1cac, 0x1cae, 0x1cb0, 
+    0x1cb2, 0x1cb4, 0x1cb6, 0x1cb8, 0x1cba, 0x1cbc, 0x1cbe, 0x1cc0, 
+    0x1cc2, 0x1cc4, 0x1cc6, 0x1cc8, 0x1cca, 0x1ccc, 0x1cce, 0x1cd0, 
+    0x1cd2, 0x1cd4, 0x1cd6, 0x1cd8, 0x1cda, 0x1cdc, 0x1cde, 0x1ce0, 
+    0x1ce2, 0x1ce4, 0x1ce6, 0x1ce8, 0x1cea, 0x1cec, 0x1cee, 0x1cf0, 
+    0x1cf2, 0x1cf4, 0x1cf6, 0x1cf8, 0x1cfa, 0x1cfc, 0x1cfe, 0x1d00, 
+    0x1d02, 0x1d04, 0x1d06, 0x1d08, 0x1d0a, 0x1d0c, 0x1d0e, 0x1d10, 
+    0x1d12, 0x1d14, 0x1d16, 0x1d18, 0x1d1a, 0x1d1c, 0x1d1e, 0x1d20, 
+    0x1d22, 0x1d24, 0x1d26, 0x1d28, 0x1d2a, 0x1d2c, 0x1d2e, 0x1d30, 
+    0x1d32, 0x1d34, 0x1d36, 0x1d38, 0x1d3a, 0x1d3c, 0x1d3e, 0x1d40, 
+    0x1d43, 0x1d46, 0x1d49, 0x1d4b, 0x1d4d, 0x1d4f, 0x1d52, 0x1d55, 
+    0x1d58, 0x1d5a, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x1d5c, 0x1d5f, 0x1d62, 0x1d65, 0x1d69, 0x1d6d, 0x1d70, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x1d73, 0x1d76, 0x1d79, 0x1d7c, 0x1d7f, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x1d82, 0xffff, 0x1d85, 
+    0x1d88, 0x1d8a, 0x1d8c, 0x1d8e, 0x1d90, 0x1d92, 0x1d94, 0x1d96, 
+    0x1d98, 0x1d9a, 0x1d9c, 0x1d9f, 0x1da2, 0x1da5, 0x1da8, 0x1dab, 
+    0x1dae, 0x1db1, 0x1db4, 0x1db7, 0x1dba, 0x1dbd, 0x1dc0, 0xffff, 
+    0x1dc3, 0x1dc6, 0x1dc9, 0x1dcc, 0x1dcf, 0xffff, 0x1dd2, 0xffff, 
+    0x1dd5, 0x1dd8, 0xffff, 0x1ddb, 0x1dde, 0xffff, 0x1de1, 0x1de4, 
+    0x1de7, 0x1dea, 0x1ded, 0x1df0, 0x1df3, 0x1df6, 0x1df9, 0x1dfc, 
+    0x1dff, 0x1e01, 0x1e03, 0x1e05, 0x1e07, 0x1e09, 0x1e0b, 0x1e0d, 
+    0x1e0f, 0x1e11, 0x1e13, 0x1e15, 0x1e17, 0x1e19, 0x1e1b, 0x1e1d, 
+    0x1e1f, 0x1e21, 0x1e23, 0x1e25, 0x1e27, 0x1e29, 0x1e2b, 0x1e2d, 
+    0x1e2f, 0x1e31, 0x1e33, 0x1e35, 0x1e37, 0x1e39, 0x1e3b, 0x1e3d, 
+    0x1e3f, 0x1e41, 0x1e43, 0x1e45, 0x1e47, 0x1e49, 0x1e4b, 0x1e4d, 
+    0x1e4f, 0x1e51, 0x1e53, 0x1e55, 0x1e57, 0x1e59, 0x1e5b, 0x1e5d, 
+    0x1e5f, 0x1e61, 0x1e63, 0x1e65, 0x1e67, 0x1e69, 0x1e6b, 0x1e6d, 
+    0x1e6f, 0x1e71, 0x1e73, 0x1e75, 0x1e77, 0x1e79, 0x1e7b, 0x1e7d, 
+    0x1e7f, 0x1e81, 0x1e83, 0x1e85, 0x1e87, 0x1e89, 0x1e8b, 0x1e8d, 
+    0x1e8f, 0x1e91, 0x1e93, 0x1e95, 0x1e97, 0x1e99, 0x1e9b, 0x1e9d, 
+    0x1e9f, 0x1ea1, 0x1ea3, 0x1ea5, 0x1ea7, 0x1ea9, 0x1eab, 0x1ead, 
+    0x1eaf, 0x1eb1, 0x1eb3, 0x1eb5, 0x1eb7, 0x1eb9, 0x1ebb, 0x1ebd, 
+    0x1ebf, 0x1ec1, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x1ec3, 0x1ec5, 0x1ec7, 0x1ec9, 0x1ecb, 
+    0x1ecd, 0x1ecf, 0x1ed1, 0x1ed3, 0x1ed5, 0x1ed7, 0x1ed9, 0x1edb, 
+    0x1edd, 0x1edf, 0x1ee1, 0x1ee3, 0x1ee5, 0x1ee7, 0x1ee9, 0x1eeb, 
+    0x1eed, 0x1eef, 0x1ef1, 0x1ef4, 0x1ef7, 0x1efa, 0x1efd, 0x1f00, 
+    0x1f03, 0x1f06, 0x1f09, 0x1f0c, 0x1f0f, 0x1f12, 0x1f15, 0x1f18, 
+    0x1f1b, 0x1f1e, 0x1f21, 0x1f24, 0x1f27, 0x1f29, 0x1f2b, 0x1f2d, 
+
+    0x1f2f, 0x1f32, 0x1f35, 0x1f38, 0x1f3b, 0x1f3e, 0x1f41, 0x1f44, 
+    0x1f47, 0x1f4a, 0x1f4d, 0x1f50, 0x1f53, 0x1f56, 0x1f59, 0x1f5c, 
+    0x1f5f, 0x1f62, 0x1f65, 0x1f68, 0x1f6b, 0x1f6e, 0x1f71, 0x1f74, 
+    0x1f77, 0x1f7a, 0x1f7d, 0x1f80, 0x1f83, 0x1f86, 0x1f89, 0x1f8c, 
+    0x1f8f, 0x1f92, 0x1f95, 0x1f98, 0x1f9b, 0x1f9e, 0x1fa1, 0x1fa4, 
+    0x1fa7, 0x1faa, 0x1fad, 0x1fb0, 0x1fb3, 0x1fb6, 0x1fb9, 0x1fbc, 
+    0x1fbf, 0x1fc2, 0x1fc5, 0x1fc8, 0x1fcb, 0x1fce, 0x1fd1, 0x1fd4, 
+    0x1fd7, 0x1fda, 0x1fdd, 0x1fe0, 0x1fe3, 0x1fe6, 0x1fe9, 0x1fec, 
+    0x1fef, 0x1ff2, 0x1ff5, 0x1ff8, 0x1ffb, 0x1ffe, 0x2001, 0x2004, 
+    0x2007, 0x200a, 0x200d, 0x2010, 0x2013, 0x2016, 0x2019, 0x201c, 
+    0x201f, 0x2022, 0x2025, 0x2028, 0x202b, 0x202e, 0x2031, 0x2034, 
+    0x2037, 0x203a, 0x203d, 0x2040, 0x2043, 0x2046, 0x2049, 0x204d, 
+    0x2051, 0x2055, 0x2059, 0x205d, 0x2061, 0x2064, 0x2067, 0x206a, 
+    0x206d, 0x2070, 0x2073, 0x2076, 0x2079, 0x207c, 0x207f, 0x2082, 
+    0x2085, 0x2088, 0x208b, 0x208e, 0x2091, 0x2094, 0x2097, 0x209a, 
+    0x209d, 0x20a0, 0x20a3, 0x20a6, 0x20a9, 0x20ac, 0x20af, 0x20b2, 
+    0x20b5, 0x20b8, 0x20bb, 0x20be, 0x20c1, 0x20c4, 0x20c7, 0x20ca, 
+    0x20cd, 0x20d0, 0x20d3, 0x20d6, 0x20d9, 0x20dc, 0x20df, 0x20e2, 
+    0x20e5, 0x20e8, 0x20eb, 0x20ee, 0x20f1, 0x20f4, 0x20f7, 0x20fa, 
+    0x20fd, 0x2100, 0x2103, 0x2106, 0x2109, 0x210c, 0x210f, 0x2112, 
+    0x2115, 0x2118, 0x211b, 0x211e, 0x2121, 0x2124, 0x2127, 0x212a, 
+    0x212d, 0x2130, 0x2133, 0x2136, 0x2139, 0x213c, 0x213f, 0x2142, 
+    0x2145, 0x2148, 0x214b, 0x214e, 0x2151, 0x2154, 0x2157, 0x215a, 
+    0x215d, 0x2160, 0x2163, 0x2166, 0x2169, 0x216c, 0x216f, 0x2172, 
+    0x2175, 0x2178, 0x217b, 0x217e, 0x2181, 0x2184, 0x2187, 0x218a, 
+    0x218d, 0x2190, 0x2193, 0x2196, 0x2199, 0x219c, 0x219f, 0x21a2, 
+    0x21a5, 0x21a8, 0x21ab, 0x21ae, 0x21b1, 0x21b4, 0x21b7, 0x21ba, 
+    0x21bd, 0x21c0, 0x21c3, 0x21c6, 0x21c9, 0x21cc, 0x21cf, 0x21d2, 
+    0x21d5, 0x21d8, 0x21db, 0x21de, 0x21e1, 0x21e4, 0x21e7, 0x21ea, 
+    0x21ed, 0x21f0, 0x21f3, 0x21f6, 0x21f9, 0x21fc, 0x21ff, 0x2202, 
+    0x2205, 0x2208, 0x220b, 0x220f, 0x2213, 0x2217, 0x221a, 0x221d, 
+    0x2220, 0x2223, 0x2226, 0x2229, 0x222c, 0x222f, 0x2232, 0x2235, 
+
+    0x2238, 0x223b, 0x223e, 0x2241, 0x2244, 0x2247, 0x224a, 0x224d, 
+    0x2250, 0x2253, 0x2256, 0x2259, 0x225c, 0x225f, 0x2262, 0x2265, 
+    0x2268, 0x226b, 0x226e, 0x2271, 0x2274, 0x2277, 0x227a, 0x227d, 
+    0x2280, 0x2283, 0x2286, 0x2289, 0x228c, 0x228f, 0x2292, 0x2295, 
+    0x2298, 0x229b, 0x229e, 0x22a1, 0x22a4, 0x22a7, 0x22aa, 0x22ad, 
+    0x22b0, 0x22b3, 0x22b6, 0x22b9, 0x22bc, 0x22bf, 0x22c2, 0x22c5, 
+    0x22c8, 0x22cb, 0x22ce, 0x22d1, 0x22d4, 0x22d7, 0x22da, 0x22dd, 
+    0x22e0, 0x22e3, 0x22e6, 0x22e9, 0x22ec, 0x22ef, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x22f2, 0x22f6, 0x22fa, 0x22fe, 0x2302, 0x2306, 0x230a, 0x230e, 
+    0x2312, 0x2316, 0x231a, 0x231e, 0x2322, 0x2326, 0x232a, 0x232e, 
+    0x2332, 0x2336, 0x233a, 0x233e, 0x2342, 0x2346, 0x234a, 0x234e, 
+    0x2352, 0x2356, 0x235a, 0x235e, 0x2362, 0x2366, 0x236a, 0x236e, 
+    0x2372, 0x2376, 0x237a, 0x237e, 0x2382, 0x2386, 0x238a, 0x238e, 
+    0x2392, 0x2396, 0x239a, 0x239e, 0x23a2, 0x23a6, 0x23aa, 0x23ae, 
+    0x23b2, 0x23b6, 0x23ba, 0x23be, 0x23c2, 0x23c6, 0x23ca, 0x23ce, 
+    0x23d2, 0x23d6, 0x23da, 0x23de, 0x23e2, 0x23e6, 0x23ea, 0x23ee, 
+    0xffff, 0xffff, 0x23f2, 0x23f6, 0x23fa, 0x23fe, 0x2402, 0x2406, 
+    0x240a, 0x240e, 0x2412, 0x2416, 0x241a, 0x241e, 0x2422, 0x2426, 
+    0x242a, 0x242e, 0x2432, 0x2436, 0x243a, 0x243e, 0x2442, 0x2446, 
+    0x244a, 0x244e, 0x2452, 0x2456, 0x245a, 0x245e, 0x2462, 0x2466, 
+    0x246a, 0x246e, 0x2472, 0x2476, 0x247a, 0x247e, 0x2482, 0x2486, 
+    0x248a, 0x248e, 0x2492, 0x2496, 0x249a, 0x249e, 0x24a2, 0x24a6, 
+    0x24aa, 0x24ae, 0x24b2, 0x24b6, 0x24ba, 0x24be, 0x24c2, 0x24c6, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x24ca, 0x24ce, 0x24d2, 0x24d7, 0x24dc, 0x24e1, 0x24e6, 0x24eb, 
+    0x24f0, 0x24f5, 0x24f9, 0x250c, 0x2515, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x251a, 0x251c, 0x251e, 0x2520, 0x2522, 0x2524, 0x2526, 0x2528, 
+    0x252a, 0x252c, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x252e, 0x2530, 0x2532, 0x2534, 0x2536, 0x2538, 0x253a, 0x253c, 
+    0x253e, 0x2540, 0x2542, 0x2544, 0x2546, 0x2548, 0x254a, 0x254c, 
+    0x254e, 0x2550, 0x2552, 0x2554, 0x2556, 0xffff, 0xffff, 0x2558, 
+    0x255a, 0x255c, 0x255e, 0x2560, 0x2562, 0x2564, 0x2566, 0x2568, 
+    0x256a, 0x256c, 0x256e, 0xffff, 0x2570, 0x2572, 0x2574, 0x2576, 
+    0x2578, 0x257a, 0x257c, 0x257e, 0x2580, 0x2582, 0x2584, 0x2586, 
+    0x2588, 0x258a, 0x258c, 0x258e, 0x2590, 0x2592, 0x2594, 0xffff, 
+    0x2596, 0x2598, 0x259a, 0x259c, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x259e, 0x25a1, 0x25a4, 0xffff, 0x25a7, 0xffff, 0x25aa, 0x25ad, 
+    0x25b0, 0x25b3, 0x25b6, 0x25b9, 0x25bc, 0x25bf, 0x25c2, 0x25c5, 
+    0x25c8, 0x25ca, 0x25cc, 0x25ce, 0x25d0, 0x25d2, 0x25d4, 0x25d6, 
+    0x25d8, 0x25da, 0x25dc, 0x25de, 0x25e0, 0x25e2, 0x25e4, 0x25e6, 
+    0x25e8, 0x25ea, 0x25ec, 0x25ee, 0x25f0, 0x25f2, 0x25f4, 0x25f6, 
+    0x25f8, 0x25fa, 0x25fc, 0x25fe, 0x2600, 0x2602, 0x2604, 0x2606, 
+    0x2608, 0x260a, 0x260c, 0x260e, 0x2610, 0x2612, 0x2614, 0x2616, 
+    0x2618, 0x261a, 0x261c, 0x261e, 0x2620, 0x2622, 0x2624, 0x2626, 
+    0x2628, 0x262a, 0x262c, 0x262e, 0x2630, 0x2632, 0x2634, 0x2636, 
+    0x2638, 0x263a, 0x263c, 0x263e, 0x2640, 0x2642, 0x2644, 0x2646, 
+    0x2648, 0x264a, 0x264c, 0x264e, 0x2650, 0x2652, 0x2654, 0x2656, 
+    0x2658, 0x265a, 0x265c, 0x265e, 0x2660, 0x2662, 0x2664, 0x2666, 
+    0x2668, 0x266a, 0x266c, 0x266e, 0x2670, 0x2672, 0x2674, 0x2676, 
+    0x2678, 0x267a, 0x267c, 0x267e, 0x2680, 0x2682, 0x2684, 0x2686, 
+    0x2688, 0x268a, 0x268c, 0x268e, 0x2690, 0x2692, 0x2694, 0x2696, 
+    0x2698, 0x269a, 0x269c, 0x269e, 0x26a0, 0x26a2, 0x26a4, 0x26a6, 
+    0x26a8, 0x26aa, 0x26ac, 0x26ae, 0x26b0, 0x26b2, 0x26b5, 0x26b8, 
+    0x26bb, 0x26be, 0x26c1, 0x26c4, 0x26c7, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0x26ca, 0x26cc, 0x26ce, 0x26d0, 0x26d2, 0x26d4, 0x26d6, 
+    0x26d8, 0x26da, 0x26dc, 0x26de, 0x26e0, 0x26e2, 0x26e4, 0x26e6, 
+    0x26e8, 0x26ea, 0x26ec, 0x26ee, 0x26f0, 0x26f2, 0x26f4, 0x26f6, 
+    0x26f8, 0x26fa, 0x26fc, 0x26fe, 0x2700, 0x2702, 0x2704, 0x2706, 
+    0x2708, 0x270a, 0x270c, 0x270e, 0x2710, 0x2712, 0x2714, 0x2716, 
+    0x2718, 0x271a, 0x271c, 0x271e, 0x2720, 0x2722, 0x2724, 0x2726, 
+    0x2728, 0x272a, 0x272c, 0x272e, 0x2730, 0x2732, 0x2734, 0x2736, 
+    0x2738, 0x273a, 0x273c, 0x273e, 0x2740, 0x2742, 0x2744, 0x2746, 
+    0x2748, 0x274a, 0x274c, 0x274e, 0x2750, 0x2752, 0x2754, 0x2756, 
+    0x2758, 0x275a, 0x275c, 0x275e, 0x2760, 0x2762, 0x2764, 0x2766, 
+    0x2768, 0x276a, 0x276c, 0x276e, 0x2770, 0x2772, 0x2774, 0x2776, 
+    0x2778, 0x277a, 0x277c, 0x277e, 0x2780, 0x2782, 0x2784, 0x2786, 
+    0x2788, 0x278a, 0x278c, 0x278e, 0x2790, 0x2792, 0x2794, 0x2796, 
+    0x2798, 0x279a, 0x279c, 0x279e, 0x27a0, 0x27a2, 0x27a4, 0x27a6, 
+    0x27a8, 0x27aa, 0x27ac, 0x27ae, 0x27b0, 0x27b2, 0x27b4, 0x27b6, 
+    0x27b8, 0x27ba, 0x27bc, 0x27be, 0x27c0, 0x27c2, 0x27c4, 0x27c6, 
+    0x27c8, 0x27ca, 0x27cc, 0x27ce, 0x27d0, 0x27d2, 0x27d4, 0x27d6, 
+    0x27d8, 0x27da, 0x27dc, 0x27de, 0x27e0, 0x27e2, 0x27e4, 0x27e6, 
+    0x27e8, 0x27ea, 0x27ec, 0x27ee, 0x27f0, 0x27f2, 0x27f4, 0x27f6, 
+    0x27f8, 0x27fa, 0x27fc, 0x27fe, 0x2800, 0x2802, 0x2804, 0x2806, 
+    0x2808, 0x280a, 0x280c, 0x280e, 0x2810, 0x2812, 0x2814, 0x2816, 
+    0x2818, 0x281a, 0x281c, 0x281e, 0x2820, 0x2822, 0x2824, 0x2826, 
+    0x2828, 0x282a, 0x282c, 0x282e, 0x2830, 0x2832, 0x2834, 0x2836, 
+    0x2838, 0x283a, 0x283c, 0x283e, 0x2840, 0x2842, 0x2844, 0xffff, 
+    0xffff, 0xffff, 0x2846, 0x2848, 0x284a, 0x284c, 0x284e, 0x2850, 
+    0xffff, 0xffff, 0x2852, 0x2854, 0x2856, 0x2858, 0x285a, 0x285c, 
+    0xffff, 0xffff, 0x285e, 0x2860, 0x2862, 0x2864, 0x2866, 0x2868, 
+    0xffff, 0xffff, 0x286a, 0x286c, 0x286e, 0xffff, 0xffff, 0xffff, 
+    0x2870, 0x2872, 0x2874, 0x2876, 0x2878, 0x287a, 0x287c, 0xffff, 
+    0x287e, 0x2880, 0x2882, 0x2884, 0x2886, 0x2888, 0x288a, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x288c, 0x2891, 
+    0x2896, 0x289b, 0x28a0, 0x28a5, 0x28aa, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x28af, 0x28b4, 0x28b9, 0x28be, 0x28c3, 
+    0x28c8, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x28cd, 0x28cf, 0x28d1, 0x28d3, 0x28d5, 0x28d7, 0x28d9, 0x28db, 
+    0x28dd, 0x28df, 0x28e1, 0x28e3, 0x28e5, 0x28e7, 0x28e9, 0x28eb, 
+    0x28ed, 0x28ef, 0x28f1, 0x28f3, 0x28f5, 0x28f7, 0x28f9, 0x28fb, 
+    0x28fd, 0x28ff, 0x2901, 0x2903, 0x2905, 0x2907, 0x2909, 0x290b, 
+    0x290d, 0x290f, 0x2911, 0x2913, 0x2915, 0x2917, 0x2919, 0x291b, 
+    0x291d, 0x291f, 0x2921, 0x2923, 0x2925, 0x2927, 0x2929, 0x292b, 
+    0x292d, 0x292f, 0x2931, 0x2933, 0x2935, 0x2937, 0x2939, 0x293b, 
+    0x293d, 0x293f, 0x2941, 0x2943, 0x2945, 0x2947, 0x2949, 0x294b, 
+    0x294d, 0x294f, 0x2951, 0x2953, 0x2955, 0x2957, 0x2959, 0x295b, 
+    0x295d, 0x295f, 0x2961, 0x2963, 0x2965, 0x2967, 0x2969, 0x296b, 
+    0x296d, 0x296f, 0x2971, 0x2973, 0x2975, 0xffff, 0x2977, 0x2979, 
+    0x297b, 0x297d, 0x297f, 0x2981, 0x2983, 0x2985, 0x2987, 0x2989, 
+    0x298b, 0x298d, 0x298f, 0x2991, 0x2993, 0x2995, 0x2997, 0x2999, 
+    0x299b, 0x299d, 0x299f, 0x29a1, 0x29a3, 0x29a5, 0x29a7, 0x29a9, 
+    0x29ab, 0x29ad, 0x29af, 0x29b1, 0x29b3, 0x29b5, 0x29b7, 0x29b9, 
+    0x29bb, 0x29bd, 0x29bf, 0x29c1, 0x29c3, 0x29c5, 0x29c7, 0x29c9, 
+    0x29cb, 0x29cd, 0x29cf, 0x29d1, 0x29d3, 0x29d5, 0x29d7, 0x29d9, 
+    0x29db, 0x29dd, 0x29df, 0x29e1, 0x29e3, 0x29e5, 0x29e7, 0x29e9, 
+    0x29eb, 0x29ed, 0x29ef, 0x29f1, 0x29f3, 0x29f5, 0x29f7, 0x29f9, 
+    0x29fb, 0x29fd, 0x29ff, 0x2a01, 0x2a03, 0xffff, 0x2a05, 0x2a07, 
+    0xffff, 0xffff, 0x2a09, 0xffff, 0xffff, 0x2a0b, 0x2a0d, 0xffff, 
+    0xffff, 0x2a0f, 0x2a11, 0x2a13, 0x2a15, 0xffff, 0x2a17, 0x2a19, 
+    0x2a1b, 0x2a1d, 0x2a1f, 0x2a21, 0x2a23, 0x2a25, 0x2a27, 0x2a29, 
+    0x2a2b, 0x2a2d, 0xffff, 0x2a2f, 0xffff, 0x2a31, 0x2a33, 0x2a35, 
+    0x2a37, 0x2a39, 0x2a3b, 0x2a3d, 0xffff, 0x2a3f, 0x2a41, 0x2a43, 
+    0x2a45, 0x2a47, 0x2a49, 0x2a4b, 0x2a4d, 0x2a4f, 0x2a51, 0x2a53, 
+    0x2a55, 0x2a57, 0x2a59, 0x2a5b, 0x2a5d, 0x2a5f, 0x2a61, 0x2a63, 
+    0x2a65, 0x2a67, 0x2a69, 0x2a6b, 0x2a6d, 0x2a6f, 0x2a71, 0x2a73, 
+    0x2a75, 0x2a77, 0x2a79, 0x2a7b, 0x2a7d, 0x2a7f, 0x2a81, 0x2a83, 
+    0x2a85, 0x2a87, 0x2a89, 0x2a8b, 0x2a8d, 0x2a8f, 0x2a91, 0x2a93, 
+    0x2a95, 0x2a97, 0x2a99, 0x2a9b, 0x2a9d, 0x2a9f, 0x2aa1, 0x2aa3, 
+    0x2aa5, 0x2aa7, 0x2aa9, 0x2aab, 0x2aad, 0x2aaf, 0x2ab1, 0x2ab3, 
+
+    0x2ab5, 0x2ab7, 0x2ab9, 0x2abb, 0x2abd, 0x2abf, 0xffff, 0x2ac1, 
+    0x2ac3, 0x2ac5, 0x2ac7, 0xffff, 0xffff, 0x2ac9, 0x2acb, 0x2acd, 
+    0x2acf, 0x2ad1, 0x2ad3, 0x2ad5, 0x2ad7, 0xffff, 0x2ad9, 0x2adb, 
+    0x2add, 0x2adf, 0x2ae1, 0x2ae3, 0x2ae5, 0xffff, 0x2ae7, 0x2ae9, 
+    0x2aeb, 0x2aed, 0x2aef, 0x2af1, 0x2af3, 0x2af5, 0x2af7, 0x2af9, 
+    0x2afb, 0x2afd, 0x2aff, 0x2b01, 0x2b03, 0x2b05, 0x2b07, 0x2b09, 
+    0x2b0b, 0x2b0d, 0x2b0f, 0x2b11, 0x2b13, 0x2b15, 0x2b17, 0x2b19, 
+    0x2b1b, 0x2b1d, 0xffff, 0x2b1f, 0x2b21, 0x2b23, 0x2b25, 0xffff, 
+    0x2b27, 0x2b29, 0x2b2b, 0x2b2d, 0x2b2f, 0xffff, 0x2b31, 0xffff, 
+    0xffff, 0xffff, 0x2b33, 0x2b35, 0x2b37, 0x2b39, 0x2b3b, 0x2b3d, 
+    0x2b3f, 0xffff, 0x2b41, 0x2b43, 0x2b45, 0x2b47, 0x2b49, 0x2b4b, 
+    0x2b4d, 0x2b4f, 0x2b51, 0x2b53, 0x2b55, 0x2b57, 0x2b59, 0x2b5b, 
+    0x2b5d, 0x2b5f, 0x2b61, 0x2b63, 0x2b65, 0x2b67, 0x2b69, 0x2b6b, 
+    0x2b6d, 0x2b6f, 0x2b71, 0x2b73, 0x2b75, 0x2b77, 0x2b79, 0x2b7b, 
+    0x2b7d, 0x2b7f, 0x2b81, 0x2b83, 0x2b85, 0x2b87, 0x2b89, 0x2b8b, 
+    0x2b8d, 0x2b8f, 0x2b91, 0x2b93, 0x2b95, 0x2b97, 0x2b99, 0x2b9b, 
+    0x2b9d, 0x2b9f, 0x2ba1, 0x2ba3, 0x2ba5, 0x2ba7, 0x2ba9, 0x2bab, 
+    0x2bad, 0x2baf, 0x2bb1, 0x2bb3, 0x2bb5, 0x2bb7, 0x2bb9, 0x2bbb, 
+    0x2bbd, 0x2bbf, 0x2bc1, 0x2bc3, 0x2bc5, 0x2bc7, 0x2bc9, 0x2bcb, 
+    0x2bcd, 0x2bcf, 0x2bd1, 0x2bd3, 0x2bd5, 0x2bd7, 0x2bd9, 0x2bdb, 
+    0x2bdd, 0x2bdf, 0x2be1, 0x2be3, 0x2be5, 0x2be7, 0x2be9, 0x2beb, 
+    0x2bed, 0x2bef, 0x2bf1, 0x2bf3, 0x2bf5, 0x2bf7, 0x2bf9, 0x2bfb, 
+    0x2bfd, 0x2bff, 0x2c01, 0x2c03, 0x2c05, 0x2c07, 0x2c09, 0x2c0b, 
+    0x2c0d, 0x2c0f, 0x2c11, 0x2c13, 0x2c15, 0x2c17, 0x2c19, 0x2c1b, 
+    0x2c1d, 0x2c1f, 0x2c21, 0x2c23, 0x2c25, 0x2c27, 0x2c29, 0x2c2b, 
+    0x2c2d, 0x2c2f, 0x2c31, 0x2c33, 0x2c35, 0x2c37, 0x2c39, 0x2c3b, 
+    0x2c3d, 0x2c3f, 0x2c41, 0x2c43, 0x2c45, 0x2c47, 0x2c49, 0x2c4b, 
+    0x2c4d, 0x2c4f, 0x2c51, 0x2c53, 0x2c55, 0x2c57, 0x2c59, 0x2c5b, 
+    0x2c5d, 0x2c5f, 0x2c61, 0x2c63, 0x2c65, 0x2c67, 0x2c69, 0x2c6b, 
+    0x2c6d, 0x2c6f, 0x2c71, 0x2c73, 0x2c75, 0x2c77, 0x2c79, 0x2c7b, 
+    0x2c7d, 0x2c7f, 0x2c81, 0x2c83, 0x2c85, 0x2c87, 0x2c89, 0x2c8b, 
+    0x2c8d, 0x2c8f, 0x2c91, 0x2c93, 0x2c95, 0x2c97, 0x2c99, 0x2c9b, 
+
+    0x2c9d, 0x2c9f, 0x2ca1, 0x2ca3, 0x2ca5, 0x2ca7, 0x2ca9, 0x2cab, 
+    0x2cad, 0x2caf, 0x2cb1, 0x2cb3, 0x2cb5, 0x2cb7, 0x2cb9, 0x2cbb, 
+    0x2cbd, 0x2cbf, 0x2cc1, 0x2cc3, 0x2cc5, 0x2cc7, 0x2cc9, 0x2ccb, 
+    0x2ccd, 0x2ccf, 0x2cd1, 0x2cd3, 0x2cd5, 0x2cd7, 0x2cd9, 0x2cdb, 
+    0x2cdd, 0x2cdf, 0x2ce1, 0x2ce3, 0x2ce5, 0x2ce7, 0x2ce9, 0x2ceb, 
+    0x2ced, 0x2cef, 0x2cf1, 0x2cf3, 0x2cf5, 0x2cf7, 0x2cf9, 0x2cfb, 
+    0x2cfd, 0x2cff, 0x2d01, 0x2d03, 0x2d05, 0x2d07, 0x2d09, 0x2d0b, 
+    0x2d0d, 0x2d0f, 0x2d11, 0x2d13, 0x2d15, 0x2d17, 0x2d19, 0x2d1b, 
+    0x2d1d, 0x2d1f, 0x2d21, 0x2d23, 0x2d25, 0x2d27, 0x2d29, 0x2d2b, 
+    0x2d2d, 0x2d2f, 0x2d31, 0x2d33, 0x2d35, 0x2d37, 0x2d39, 0x2d3b, 
+    0x2d3d, 0x2d3f, 0x2d41, 0x2d43, 0x2d45, 0x2d47, 0x2d49, 0x2d4b, 
+    0x2d4d, 0x2d4f, 0x2d51, 0x2d53, 0x2d55, 0x2d57, 0x2d59, 0x2d5b, 
+    0x2d5d, 0x2d5f, 0x2d61, 0x2d63, 0x2d65, 0x2d67, 0x2d69, 0x2d6b, 
+    0x2d6d, 0x2d6f, 0x2d71, 0x2d73, 0x2d75, 0x2d77, 0x2d79, 0x2d7b, 
+    0x2d7d, 0x2d7f, 0x2d81, 0x2d83, 0x2d85, 0x2d87, 0x2d89, 0x2d8b, 
+    0x2d8d, 0x2d8f, 0x2d91, 0x2d93, 0x2d95, 0x2d97, 0x2d99, 0x2d9b, 
+    0x2d9d, 0x2d9f, 0x2da1, 0x2da3, 0x2da5, 0x2da7, 0x2da9, 0x2dab, 
+    0x2dad, 0x2daf, 0x2db1, 0x2db3, 0x2db5, 0x2db7, 0x2db9, 0x2dbb, 
+    0x2dbd, 0x2dbf, 0x2dc1, 0x2dc3, 0x2dc5, 0x2dc7, 0x2dc9, 0x2dcb, 
+    0x2dcd, 0x2dcf, 0x2dd1, 0x2dd3, 0x2dd5, 0x2dd7, 0x2dd9, 0x2ddb, 
+    0x2ddd, 0x2ddf, 0x2de1, 0x2de3, 0x2de5, 0x2de7, 0xffff, 0xffff, 
+    0x2de9, 0x2deb, 0x2ded, 0x2def, 0x2df1, 0x2df3, 0x2df5, 0x2df7, 
+    0x2df9, 0x2dfb, 0x2dfd, 0x2dff, 0x2e01, 0x2e03, 0x2e05, 0x2e07, 
+    0x2e09, 0x2e0b, 0x2e0d, 0x2e0f, 0x2e11, 0x2e13, 0x2e15, 0x2e17, 
+    0x2e19, 0x2e1b, 0x2e1d, 0x2e1f, 0x2e21, 0x2e23, 0x2e25, 0x2e27, 
+    0x2e29, 0x2e2b, 0x2e2d, 0x2e2f, 0x2e31, 0x2e33, 0x2e35, 0x2e37, 
+    0x2e39, 0x2e3b, 0x2e3d, 0x2e3f, 0x2e41, 0x2e43, 0x2e45, 0x2e47, 
+    0x2e49, 0x2e4b, 0x2e4d, 0x2e4f, 0x2e51, 0x2e53, 0x2e55, 0x2e57, 
+    0x2e59, 0x2e5b, 0x2e5d, 0x2e5f, 0x2e61, 0x2e63, 0x2e65, 0x2e67, 
+    0x2e69, 0x2e6b, 0x2e6d, 0x2e6f, 0x2e71, 0x2e73, 0x2e75, 0x2e77, 
+    0x2e79, 0x2e7b, 0x2e7d, 0x2e7f, 0x2e81, 0x2e83, 0x2e85, 0x2e87, 
+    0x2e89, 0x2e8b, 0x2e8d, 0x2e8f, 0x2e91, 0x2e93, 0x2e95, 0x2e97, 
+
+    0x2e99, 0x2e9b, 0x2e9d, 0x2e9f, 0x2ea1, 0x2ea3, 0x2ea5, 0x2ea7, 
+    0x2ea9, 0x2eab, 0x2ead, 0x2eaf, 0x2eb1, 0x2eb3, 0x2eb5, 0x2eb7, 
+    0x2eb9, 0x2ebb, 0x2ebd, 0x2ebf, 0x2ec1, 0x2ec3, 0x2ec5, 0x2ec7, 
+    0x2ec9, 0x2ecb, 0x2ecd, 0x2ecf, 0x2ed1, 0x2ed3, 0x2ed5, 0x2ed7, 
+    0x2ed9, 0x2edb, 0x2edd, 0x2edf, 0x2ee1, 0x2ee3, 0x2ee5, 0x2ee7, 
+    0x2ee9, 0x2eeb, 0x2eed, 0x2eef, 0x2ef1, 0x2ef3, 0x2ef5, 0x2ef7, 
+    0x2ef9, 0x2efb, 0x2efd, 0x2eff, 0x2f01, 0x2f03, 0x2f05, 0x2f07, 
+    0x2f09, 0x2f0b, 0x2f0d, 0x2f0f, 0x2f11, 0x2f13, 0x2f15, 0x2f17, 
+    0x2f19, 0x2f1b, 0x2f1d, 0x2f1f, 0x2f21, 0x2f23, 0x2f25, 0x2f27, 
+    0x2f29, 0x2f2b, 0x2f2d, 0x2f2f, 0x2f31, 0x2f33, 0x2f35, 0x2f37, 
+    0x2f39, 0x2f3b, 0x2f3d, 0x2f3f, 0x2f41, 0x2f43, 0x2f45, 0x2f47, 
+    0x2f49, 0x2f4b, 0x2f4d, 0x2f4f, 0x2f51, 0x2f53, 0x2f55, 0x2f57, 
+    0x2f59, 0x2f5b, 0x2f5d, 0x2f5f, 0x2f61, 0x2f63, 0x2f65, 0x2f67, 
+    0x2f69, 0x2f6b, 0x2f6d, 0x2f6f, 0x2f71, 0x2f73, 0x2f75, 0x2f77, 
+    0x2f79, 0x2f7b, 0x2f7d, 0x2f7f, 0x2f81, 0x2f83, 0x2f85, 0x2f87, 
+    0x2f89, 0x2f8b, 0x2f8d, 0x2f8f, 0x2f91, 0x2f93, 0x2f95, 0x2f97, 
+    0x2f99, 0x2f9b, 0x2f9d, 0x2f9f, 0x2fa1, 0x2fa3, 0x2fa5, 0x2fa7, 
+    0x2fa9, 0x2fab, 0x2fad, 0x2faf, 0x2fb1, 0x2fb3, 0x2fb5, 0x2fb7, 
+    0x2fb9, 0x2fbb, 0x2fbd, 0x2fbf, 0x2fc1, 0x2fc3, 0x2fc5, 0x2fc7, 
+    0x2fc9, 0x2fcb, 0x2fcd, 0x2fcf, 0x2fd1, 0x2fd3, 0x2fd5, 0x2fd7, 
+    0x2fd9, 0x2fdb, 0x2fdd, 0x2fdf, 0x2fe1, 0x2fe3, 0x2fe5, 0x2fe7, 
+    0x2fe9, 0x2feb, 0x2fed, 0x2fef, 0x2ff1, 0x2ff3, 0x2ff5, 0x2ff7, 
+    0x2ff9, 0x2ffb, 0x2ffd, 0x2fff, 0x3001, 0x3003, 0x3005, 0x3007, 
+    0x3009, 0x300b, 0x300d, 0x300f, 0x3011, 0x3013, 0x3015, 0x3017, 
+    0x3019, 0x301b, 0x301d, 0x301f, 0x3021, 0x3023, 0x3025, 0x3027, 
+    0x3029, 0x302b, 0x302d, 0x302f, 0xffff, 0xffff, 0x3031, 0x3033, 
+    0x3035, 0x3037, 0x3039, 0x303b, 0x303d, 0x303f, 0x3041, 0x3043, 
+    0x3045, 0x3047, 0x3049, 0x304b, 0x304d, 0x304f, 0x3051, 0x3053, 
+    0x3055, 0x3057, 0x3059, 0x305b, 0x305d, 0x305f, 0x3061, 0x3063, 
+    0x3065, 0x3067, 0x3069, 0x306b, 0x306d, 0x306f, 0x3071, 0x3073, 
+    0x3075, 0x3077, 0x3079, 0x307b, 0x307d, 0x307f, 0x3081, 0x3083, 
+    0x3085, 0x3087, 0x3089, 0x308b, 0x308d, 0x308f, 0x3091, 0x3093, 
+
+    0x3095, 0x3097, 0x3099, 0x309b, 0x309e, 0x30a0, 0x30a2, 0x30a4, 
+    0x30a6, 0x30a8, 0x30aa, 0x30ac, 0x30ae, 0x30b0, 0x30b3, 0x30b5, 
+    0x30b7, 0x30b9, 0x30bb, 0x30be, 0x30c0, 0x30c2, 0x30c4, 0x30c7, 
+    0x30c9, 0x30cb, 0x30cd, 0x30cf, 0x30d1, 0x30d4, 0x30d6, 0x30d8, 
+    0x30da, 0x30dc, 0x30de, 0x30e0, 0x30e2, 0x30e4, 0x30e6, 0x30e8, 
+    0x30ea, 0x30ec, 0x30ee, 0x30f0, 0x30f2, 0x30f4, 0x30f6, 0x30f8, 
+    0x30fa, 0x30fc, 0x30fe, 0x3100, 0x3102, 0x3105, 0x3107, 0x3109, 
+    0x310b, 0x310e, 0x3110, 0x3112, 0x3114, 0x3116, 0x3118, 0x311a, 
+    0x311c, 0x311e, 0x3120, 0x3122, 0x3124, 0x3126, 0x3128, 0x312a, 
+    0x312c, 0x312e, 0x3130, 0x3132, 0x3134, 0x3136, 0x3138, 0x313a, 
+    0x313c, 0x313e, 0x3140, 0x3142, 0x3144, 0x3146, 0x3148, 0x314a, 
+    0x314c, 0x314e, 0x3151, 0x3153, 0x3155, 0x3157, 0x3159, 0x315b, 
+    0x315d, 0x3160, 0x3163, 0x3165, 0x3167, 0x3169, 0x316b, 0x316d, 
+    0x316f, 0x3171, 0x3173, 0x3175, 0x3177, 0x317a, 0x317c, 0x317e, 
+    0x3180, 0x3182, 0x3185, 0x3187, 0x3189, 0x318b, 0x318d, 0x318f, 
+    0x3191, 0x3193, 0x3195, 0x3197, 0x319a, 0x319c, 0x319f, 0x31a1, 
+    0x31a3, 0x31a5, 0x31a7, 0x31a9, 0x31ab, 0x31ad, 0x31af, 0x31b1, 
+    0x31b3, 0x31b5, 0x31b8, 0x31ba, 0x31bc, 0x31be, 0x31c0, 0x31c2, 
+    0x31c5, 0x31c7, 0x31ca, 0x31cd, 0x31cf, 0x31d1, 0x31d3, 0x31d5, 
+    0x31d8, 0x31db, 0x31dd, 0x31df, 0x31e1, 0x31e3, 0x31e5, 0x31e7, 
+    0x31e9, 0x31eb, 0x31ed, 0x31ef, 0x31f1, 0x31f4, 0x31f6, 0x31f8, 
+    0x31fa, 0x31fc, 0x31fe, 0x3200, 0x3202, 0x3204, 0x3206, 0x3208, 
+    0x320a, 0x320c, 0x320e, 0x3210, 0x3212, 0x3214, 0x3216, 0x3218, 
+    0x321a, 0x321d, 0x321f, 0x3221, 0x3223, 0x3225, 0x3227, 0x322a, 
+    0x322c, 0x322e, 0x3230, 0x3232, 0x3234, 0x3236, 0x3238, 0x323a, 
+    0x323c, 0x323e, 0x3240, 0x3243, 0x3245, 0x3247, 0x3249, 0x324b, 
+    0x324d, 0x324f, 0x3251, 0x3253, 0x3255, 0x3257, 0x3259, 0x325b, 
+    0x325d, 0x325f, 0x3261, 0x3263, 0x3265, 0x3267, 0x326a, 0x326c, 
+    0x326e, 0x3270, 0x3272, 0x3274, 0x3277, 0x3279, 0x327b, 0x327d, 
+    0x327f, 0x3281, 0x3283, 0x3285, 0x3287, 0x328a, 0x328c, 0x328e, 
+    0x3290, 0x3293, 0x3295, 0x3297, 0x3299, 0x329b, 0x329d, 0x329f, 
+    0x32a2, 0x32a5, 0x32a8, 0x32aa, 0x32ad, 0x32af, 0x32b1, 0x32b3, 
+
+    0x32b5, 0x32b7, 0x32b9, 0x32bb, 0x32bd, 0x32bf, 0x32c1, 0x32c4, 
+    0x32c6, 0x32c8, 0x32ca, 0x32cc, 0x32ce, 0x32d0, 0x32d3, 0x32d5, 
+    0x32d7, 0x32da, 0x32dd, 0x32df, 0x32e1, 0x32e3, 0x32e5, 0x32e7, 
+    0x32e9, 0x32eb, 0x32ed, 0x32ef, 0x32f2, 0x32f4, 0x32f7, 0x32f9, 
+    0x32fc, 0x32fe, 0x3300, 0x3302, 0x3305, 0x3307, 0x3309, 0x330c, 
+    0x330f, 0x3311, 0x3313, 0x3315, 0x3317, 0x3319, 0x331b, 0x331d, 
+    0x331f, 0x3321, 0x3323, 0x3325, 0x3327, 0x3329, 0x332c, 0x332e, 
+    0x3331, 0x3333, 0x3336, 0x3338, 0x333b, 0x333e, 0x3341, 0x3343, 
+    0x3345, 0x3347, 0x334a, 0x334d, 0x3350, 0x3353, 0x3355, 0x3357, 
+    0x3359, 0x335b, 0x335d, 0x335f, 0x3361, 0x3363, 0x3366, 0x3368, 
+    0x336a, 0x336c, 0x336e, 0x3371, 0x3373, 0x3376, 0x3379, 0x337b, 
+    0x337d, 0x337f, 0x3381, 0x3383, 0x3385, 0x3388, 0x338b, 0x338e, 
+    0x3390, 0x3392, 0x3395, 0x3397, 0x3399, 0x339b, 0x339e, 0x33a0, 
+    0x33a2, 0x33a4, 0x33a6, 0x33a8, 0x33ab, 0x33ad, 0x33af, 0x33b1, 
+    0x33b3, 0x33b5, 0x33b7, 0x33ba, 0x33bd, 0x33bf, 0x33c2, 0x33c4, 
+    0x33c7, 0x33c9, 0x33cb, 0x33cd, 0x33d0, 0x33d3, 0x33d5, 0x33d8, 
+    0x33da, 0x33dd, 0x33df, 0x33e1, 0x33e3, 0x33e5, 0x33e7, 0x33e9, 
+    0x33ec, 0x33ef, 0x33f2, 0x33f5, 0x33f7, 0x33f9, 0x33fb, 0x33fd, 
+    0x33ff, 0x3401, 0x3403, 0x3405, 0x3407, 0x3409, 0x340b, 0x340d, 
+    0x3410, 0x3412, 0x3414, 0x3416, 0x3418, 0x341a, 0x341c, 0x341e, 
+    0x3420, 0x3422, 0x3424, 0x3426, 0x3428, 0x342b, 0x342e, 0x3431, 
+    0x3433, 0x3435, 0x3437, 0x3439, 0x343c, 0x343e, 0x3441, 0x3443, 
+    0x3445, 0x3448, 0x344b, 0x344d, 0x344f, 0x3451, 0x3453, 0x3455, 
+    0x3457, 0x3459, 0x345b, 0x345d, 0x345f, 0x3461, 0x3463, 0x3465, 
+    0x3467, 0x3469, 0x346b, 0x346d, 0x346f, 0x3471, 0x3474, 0x3476, 
+    0x3478, 0x347a, 0x347c, 0x347e, 0x3481, 0x3484, 0x3486, 0x3488, 
+    0x348a, 0x348c, 0x348e, 0x3490, 0x3493, 0x3495, 0x3497, 0x3499, 
+    0x349b, 0x349e, 0x34a1, 0x34a3, 0x34a5, 0x34a7, 0x34aa, 0x34ac, 
+    0x34ae, 0x34b1, 0x34b4, 0x34b6, 0x34b8, 0x34ba, 0x34bd, 0x34bf, 
+    0x34c1, 0x34c3, 0x34c5, 0x34c7, 0x34c9, 0x34cb, 0x34ce, 0x34d0, 
+    0x34d2, 0x34d4, 0x34d7, 0x34d9, 0x34db, 0x34dd, 0x34df, 0x34e2, 
+    0x34e5, 0x34e7, 0x34e9, 0x34eb, 0x34ee, 0x34f0, 0x34f3, 0x34f5, 
+
+    0x34f7, 0x34f9, 0x34fc, 0x34fe, 0x3500, 0x3502, 0x3504, 0x3506, 
+    0x3508, 0x350a, 0x350d, 0x350f, 0x3511, 0x3513, 0x3515, 0x3517, 
+    0x3519, 0x351c, 0x351e, 0x3521, 0x3524, 0x3527, 0x3529, 0x352b, 
+    0x352d, 0x352f, 0x3531, 0x3533, 0x3535, 0x3537, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+};
+
+#define GET_DECOMPOSITION_INDEX(ucs4) \
+       (ucs4 < 0x3400 \
+        ? (uc_decomposition_trie[uc_decomposition_trie[ucs4>>4] + (ucs4 & 0xf)]) \
+        : (ucs4 < 0x30000\
+           ? uc_decomposition_trie[uc_decomposition_trie[((ucs4 - 0x3400)>>8) + 0x340] + (ucs4 & 0xff)]\
+           : 0xffff))
+
+static const unsigned short uc_decomposition_map[] = {
+
+    0x103, 0x20, 0x210, 0x20, 0x308, 0x109, 0x61, 0x210, 
+    0x20, 0x304, 0x109, 0x32, 0x109, 0x33, 0x210, 0x20, 
+    0x301, 0x110, 0x3bc, 0x210, 0x20, 0x327, 0x109, 0x31, 
+    0x109, 0x6f, 0x311, 0x31, 0x2044, 0x34, 0x311, 0x31, 
+    0x2044, 0x32, 0x311, 0x33, 0x2044, 0x34, 0x201, 0x41, 
+    0x300, 0x201, 0x41, 0x301, 0x201, 0x41, 0x302, 0x201, 
+    0x41, 0x303, 0x201, 0x41, 0x308, 0x201, 0x41, 0x30a, 
+    0x201, 0x43, 0x327, 0x201, 0x45, 0x300, 0x201, 0x45, 
+    0x301, 0x201, 0x45, 0x302, 0x201, 0x45, 0x308, 0x201, 
+    0x49, 0x300, 0x201, 0x49, 0x301, 0x201, 0x49, 0x302, 
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+    0x7295, 0x201, 0xd851, 0xdf35, 0x201, 0xd852, 0xdc14, 0x101, 
+    0x737a, 0x101, 0x738b, 0x101, 0x3eac, 0x101, 0x73a5, 0x101, 
+    0x3eb8, 0x101, 0x3eb8, 0x101, 0x7447, 0x101, 0x745c, 0x101, 
+    0x7471, 0x101, 0x7485, 0x101, 0x74ca, 0x101, 0x3f1b, 0x101, 
+    0x7524, 0x201, 0xd853, 0xdc36, 0x101, 0x753e, 0x201, 0xd853, 
+    0xdc92, 0x101, 0x7570, 0x201, 0xd848, 0xdd9f, 0x101, 0x7610, 
+    0x201, 0xd853, 0xdfa1, 0x201, 0xd853, 0xdfb8, 0x201, 0xd854, 
+    0xdc44, 0x101, 0x3ffc, 0x101, 0x4008, 0x101, 0x76f4, 0x201, 
+    0xd854, 0xdcf3, 0x201, 0xd854, 0xdcf2, 0x201, 0xd854, 0xdd19, 
+    0x201, 0xd854, 0xdd33, 0x101, 0x771e, 0x101, 0x771f, 0x101, 
+    0x771f, 0x101, 0x774a, 0x101, 0x4039, 0x101, 0x778b, 0x101, 
+    0x4046, 0x101, 0x4096, 0x201, 0xd855, 0xdc1d, 0x101, 0x784e, 
+    0x101, 0x788c, 0x101, 0x78cc, 0x101, 0x40e3, 0x201, 0xd855, 
+    0xde26, 0x101, 0x7956, 0x201, 0xd855, 0xde9a, 0x201, 0xd855, 
+    0xdec5, 0x101, 0x798f, 0x101, 0x79eb, 0x101, 0x412f, 0x101, 
+    0x7a40, 0x101, 0x7a4a, 0x101, 0x7a4f, 0x201, 0xd856, 0xdd7c, 
+    0x201, 0xd856, 0xdea7, 0x201, 0xd856, 0xdea7, 0x101, 0x7aee, 
+    0x101, 0x4202, 0x201, 0xd856, 0xdfab, 0x101, 0x7bc6, 0x101, 
+    0x7bc9, 0x101, 0x4227, 0x201, 0xd857, 0xdc80, 0x101, 0x7cd2, 
+    0x101, 0x42a0, 0x101, 0x7ce8, 0x101, 0x7ce3, 0x101, 0x7d00, 
+    0x201, 0xd857, 0xdf86, 0x101, 0x7d63, 0x101, 0x4301, 0x101, 
+    0x7dc7, 0x101, 0x7e02, 0x101, 0x7e45, 0x101, 0x4334, 0x201, 
+    0xd858, 0xde28, 0x201, 0xd858, 0xde47, 0x101, 0x4359, 0x201, 
+    0xd858, 0xded9, 0x101, 0x7f7a, 0x201, 0xd858, 0xdf3e, 0x101, 
+    0x7f95, 0x101, 0x7ffa, 0x101, 0x8005, 0x201, 0xd859, 0xdcda, 
+    0x201, 0xd859, 0xdd23, 0x101, 0x8060, 0x201, 0xd859, 0xdda8, 
+    0x101, 0x8070, 0x201, 0xd84c, 0xdf5f, 0x101, 0x43d5, 0x101, 
+    0x80b2, 0x101, 0x8103, 0x101, 0x440b, 0x101, 0x813e, 0x101, 
+    0x5ab5, 0x201, 0xd859, 0xdfa7, 0x201, 0xd859, 0xdfb5, 0x201, 
+    0xd84c, 0xdf93, 0x201, 0xd84c, 0xdf9c, 0x101, 0x8201, 0x101, 
+    0x8204, 0x101, 0x8f9e, 0x101, 0x446b, 0x101, 0x8291, 0x101, 
+    0x828b, 0x101, 0x829d, 0x101, 0x52b3, 0x101, 0x82b1, 0x101, 
+    0x82b3, 0x101, 0x82bd, 0x101, 0x82e6, 0x201, 0xd85a, 0xdf3c, 
+    0x101, 0x82e5, 0x101, 0x831d, 0x101, 0x8363, 0x101, 0x83ad, 
+    0x101, 0x8323, 0x101, 0x83bd, 0x101, 0x83e7, 0x101, 0x8457, 
+    0x101, 0x8353, 0x101, 0x83ca, 0x101, 0x83cc, 0x101, 0x83dc, 
+    0x201, 0xd85b, 0xdc36, 0x201, 0xd85b, 0xdd6b, 0x201, 0xd85b, 
+    0xdcd5, 0x101, 0x452b, 0x101, 0x84f1, 0x101, 0x84f3, 0x101, 
+    0x8516, 0x201, 0xd85c, 0xdfca, 0x101, 0x8564, 0x201, 0xd85b, 
+    0xdf2c, 0x101, 0x455d, 0x101, 0x4561, 0x201, 0xd85b, 0xdfb1, 
+    0x201, 0xd85c, 0xdcd2, 0x101, 0x456b, 0x101, 0x8650, 0x101, 
+    0x865c, 0x101, 0x8667, 0x101, 0x8669, 0x101, 0x86a9, 0x101, 
+    0x8688, 0x101, 0x870e, 0x101, 0x86e2, 0x101, 0x8779, 0x101, 
+    0x8728, 0x101, 0x876b, 0x101, 0x8786, 0x101, 0x45d7, 0x101, 
+    0x87e1, 0x101, 0x8801, 0x101, 0x45f9, 0x101, 0x8860, 0x101, 
+    0x8863, 0x201, 0xd85d, 0xde67, 0x101, 0x88d7, 0x101, 0x88de, 
+    0x101, 0x4635, 0x101, 0x88fa, 0x101, 0x34bb, 0x201, 0xd85e, 
+    0xdcae, 0x201, 0xd85e, 0xdd66, 0x101, 0x46be, 0x101, 0x46c7, 
+    0x101, 0x8aa0, 0x101, 0x8aed, 0x101, 0x8b8a, 0x101, 0x8c55, 
+    0x201, 0xd85f, 0xdca8, 0x101, 0x8cab, 0x101, 0x8cc1, 0x101, 
+    0x8d1b, 0x101, 0x8d77, 0x201, 0xd85f, 0xdf2f, 0x201, 0xd842, 
+    0xdc04, 0x101, 0x8dcb, 0x101, 0x8dbc, 0x101, 0x8df0, 0x201, 
+    0xd842, 0xdcde, 0x101, 0x8ed4, 0x101, 0x8f38, 0x201, 0xd861, 
+    0xddd2, 0x201, 0xd861, 0xdded, 0x101, 0x9094, 0x101, 0x90f1, 
+    0x101, 0x9111, 0x201, 0xd861, 0xdf2e, 0x101, 0x911b, 0x101, 
+    0x9238, 0x101, 0x92d7, 0x101, 0x92d8, 0x101, 0x927c, 0x101, 
+    0x93f9, 0x101, 0x9415, 0x201, 0xd862, 0xdffa, 0x101, 0x958b, 
+    0x101, 0x4995, 0x101, 0x95b7, 0x201, 0xd863, 0xdd77, 0x101, 
+    0x49e6, 0x101, 0x96c3, 0x101, 0x5db2, 0x101, 0x9723, 0x201, 
+    0xd864, 0xdd45, 0x201, 0xd864, 0xde1a, 0x101, 0x4a6e, 0x101, 
+    0x4a76, 0x101, 0x97e0, 0x201, 0xd865, 0xdc0a, 0x101, 0x4ab2, 
+    0x201, 0xd865, 0xdc96, 0x101, 0x980b, 0x101, 0x980b, 0x101, 
+    0x9829, 0x201, 0xd865, 0xddb6, 0x101, 0x98e2, 0x101, 0x4b33, 
+    0x101, 0x9929, 0x101, 0x99a7, 0x101, 0x99c2, 0x101, 0x99fe, 
+    0x101, 0x4bce, 0x201, 0xd866, 0xdf30, 0x101, 0x9b12, 0x101, 
+    0x9c40, 0x101, 0x9cfd, 0x101, 0x4cce, 0x101, 0x4ced, 0x101, 
+    0x9d67, 0x201, 0xd868, 0xdcce, 0x101, 0x4cf8, 0x201, 0xd868, 
+    0xdd05, 0x201, 0xd868, 0xde0e, 0x201, 0xd868, 0xde91, 0x101, 
+    0x9ebb, 0x101, 0x4d56, 0x101, 0x9ef9, 0x101, 0x9efe, 0x101, 
+    0x9f05, 0x101, 0x9f0f, 0x101, 0x9f16, 0x101, 0x9f3b, 0x201, 
+    0xd869, 0xde00, 
+};
+
+static const unsigned short uc_ligature_trie[] = {
+    // 0 - 0x3100
+
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    424, 456, 488, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 520, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 552, 392, 392, 392, 584, 616, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 648, 680, 392, 392, 712, 744, 392, 
+    392, 392, 776, 392, 392, 392, 808, 392, 
+    392, 840, 872, 392, 392, 392, 904, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+
+    392, 936, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 968, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+    392, 392, 392, 392, 392, 392, 392, 392, 
+
+    392, 392, 392, 392, 1000, 392, 392, 392, 
+
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0x0, 0xa9, 0x194, 0x1d5, 0x20e, 0xffff, 0x267, 0x2a8, 
+    0x305, 0x372, 0x3a3, 0x3b0, 0x3bd, 0xffff, 0xffff, 0x408, 
+    0xffff, 0x425, 0xffff, 0x43e, 0x45b, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x47c, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0x485, 0x4da, 0x4df, 0x4e4, 0x4ed, 
+    0x51a, 0xffff, 0xffff, 0xffff, 0xffff, 0x52f, 0x548, 0xffff, 
+    0x54d, 0x55a, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0x57d, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0x5d6, 0xffff, 0xffff, 0x611, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0x690, 0x693, 0x6a0, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0x6a3, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6aa, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6ad, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6b0, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6b3, 0x6b6, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6b9, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6be, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6c3, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0x6c6, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6c9, 0x6d0, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6d3, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6d8, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0x6db, 0xffff, 0xffff, 0xffff, 0xffff, 0x6e0, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6e3, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6e6, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x6e9, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+    0xffff, 0x700, 0x761, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 
+};
+
+#define GET_LIGATURE_INDEX(u2) (u2 < 0x3100 ? uc_ligature_trie[uc_ligature_trie[u2>>5] + (u2 & 0x1f)] : 0xffff);
+
+static const unsigned short uc_ligature_map [] = {
+
+    0x54, 0x41, 0xc0, 0x45, 0xc8, 0x49, 0xcc, 0x4e, 
+    0x1f8, 0x4f, 0xd2, 0x55, 0xd9, 0x57, 0x1e80, 0x59, 
+    0x1ef2, 0x61, 0xe0, 0x65, 0xe8, 0x69, 0xec, 0x6e, 
+    0x1f9, 0x6f, 0xf2, 0x75, 0xf9, 0x77, 0x1e81, 0x79, 
+    0x1ef3, 0xa8, 0x1fed, 0xc2, 0x1ea6, 0xca, 0x1ec0, 0xd4, 
+    0x1ed2, 0xdc, 0x1db, 0xe2, 0x1ea7, 0xea, 0x1ec1, 0xf4, 
+    0x1ed3, 0xfc, 0x1dc, 0x102, 0x1eb0, 0x103, 0x1eb1, 0x112, 
+    0x1e14, 0x113, 0x1e15, 0x14c, 0x1e50, 0x14d, 0x1e51, 0x1a0, 
+    0x1edc, 0x1a1, 0x1edd, 0x1af, 0x1eea, 0x1b0, 0x1eeb, 0x391, 
+    0x1fba, 0x395, 0x1fc8, 0x397, 0x1fca, 0x399, 0x1fda, 0x39f, 
+    0x1ff8, 0x3a5, 0x1fea, 0x3a9, 0x1ffa, 0x3b1, 0x1f70, 0x3b5, 
+    0x1f72, 0x3b7, 0x1f74, 0x3b9, 0x1f76, 0x3bf, 0x1f78, 0x3c5, 
+    0x1f7a, 0x3c9, 0x1f7c, 0x3ca, 0x1fd2, 0x3cb, 0x1fe2, 0x415, 
+    0x400, 0x418, 0x40d, 0x435, 0x450, 0x438, 0x45d, 0x1f00, 
+    0x1f02, 0x1f01, 0x1f03, 0x1f08, 0x1f0a, 0x1f09, 0x1f0b, 0x1f10, 
+    0x1f12, 0x1f11, 0x1f13, 0x1f18, 0x1f1a, 0x1f19, 0x1f1b, 0x1f20, 
+    0x1f22, 0x1f21, 0x1f23, 0x1f28, 0x1f2a, 0x1f29, 0x1f2b, 0x1f30, 
+    0x1f32, 0x1f31, 0x1f33, 0x1f38, 0x1f3a, 0x1f39, 0x1f3b, 0x1f40, 
+    0x1f42, 0x1f41, 0x1f43, 0x1f48, 0x1f4a, 0x1f49, 0x1f4b, 0x1f50, 
+    0x1f52, 0x1f51, 0x1f53, 0x1f59, 0x1f5b, 0x1f60, 0x1f62, 0x1f61, 
+    0x1f63, 0x1f68, 0x1f6a, 0x1f69, 0x1f6b, 0x1fbf, 0x1fcd, 0x1ffe, 
+    0x1fdd, 0x75, 0x41, 0xc1, 0x43, 0x106, 0x45, 0xc9, 
+    0x47, 0x1f4, 0x49, 0xcd, 0x4b, 0x1e30, 0x4c, 0x139, 
+    0x4d, 0x1e3e, 0x4e, 0x143, 0x4f, 0xd3, 0x50, 0x1e54, 
+    0x52, 0x154, 0x53, 0x15a, 0x55, 0xda, 0x57, 0x1e82, 
+    0x59, 0xdd, 0x5a, 0x179, 0x61, 0xe1, 0x63, 0x107, 
+    0x65, 0xe9, 0x67, 0x1f5, 0x69, 0xed, 0x6b, 0x1e31, 
+    0x6c, 0x13a, 0x6d, 0x1e3f, 0x6e, 0x144, 0x6f, 0xf3, 
+    0x70, 0x1e55, 0x72, 0x155, 0x73, 0x15b, 0x75, 0xfa, 
+    0x77, 0x1e83, 0x79, 0xfd, 0x7a, 0x17a, 0xa8, 0x385, 
+    0xc2, 0x1ea4, 0xc5, 0x1fa, 0xc6, 0x1fc, 0xc7, 0x1e08, 
+    0xca, 0x1ebe, 0xcf, 0x1e2e, 0xd4, 0x1ed0, 0xd5, 0x1e4c, 
+    0xd8, 0x1fe, 0xdc, 0x1d7, 0xe2, 0x1ea5, 0xe5, 0x1fb, 
+    0xe6, 0x1fd, 0xe7, 0x1e09, 0xea, 0x1ebf, 0xef, 0x1e2f, 
+    0xf4, 0x1ed1, 0xf5, 0x1e4d, 0xf8, 0x1ff, 0xfc, 0x1d8, 
+    0x102, 0x1eae, 0x103, 0x1eaf, 0x112, 0x1e16, 0x113, 0x1e17, 
+    0x14c, 0x1e52, 0x14d, 0x1e53, 0x168, 0x1e78, 0x169, 0x1e79, 
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+    0xb4c, 0x2, 0xbc6, 0xbca, 0xbc7, 0xbcb, 0x2, 0xb92, 
+    0xb94, 0xbc6, 0xbcc, 0x1, 0xc46, 0xc48, 0x1, 0xcc6, 
+    0xcca, 0x3, 0xcbf, 0xcc0, 0xcc6, 0xcc7, 0xcca, 0xccb, 
+    0x1, 0xcc6, 0xcc8, 0x2, 0xd46, 0xd4a, 0xd47, 0xd4b, 
+    0x1, 0xd46, 0xd4c, 0x2, 0xdd9, 0xdda, 0xddc, 0xddd, 
+    0x1, 0xdd9, 0xddc, 0x1, 0xdd9, 0xdde, 0x1, 0x1025, 
+    0x1026, 0xb, 0x1b05, 0x1b06, 0x1b07, 0x1b08, 0x1b09, 0x1b0a, 
+    0x1b0b, 0x1b0c, 0x1b0d, 0x1b0e, 0x1b11, 0x1b12, 0x1b3a, 0x1b3b, 
+    0x1b3c, 0x1b3d, 0x1b3e, 0x1b40, 0x1b3f, 0x1b41, 0x1b42, 0x1b43, 
+    0x30, 0x3046, 0x3094, 0x304b, 0x304c, 0x304d, 0x304e, 0x304f, 
+    0x3050, 0x3051, 0x3052, 0x3053, 0x3054, 0x3055, 0x3056, 0x3057, 
+    0x3058, 0x3059, 0x305a, 0x305b, 0x305c, 0x305d, 0x305e, 0x305f, 
+    0x3060, 0x3061, 0x3062, 0x3064, 0x3065, 0x3066, 0x3067, 0x3068, 
+    0x3069, 0x306f, 0x3070, 0x3072, 0x3073, 0x3075, 0x3076, 0x3078, 
+    0x3079, 0x307b, 0x307c, 0x309d, 0x309e, 0x30a6, 0x30f4, 0x30ab, 
+    0x30ac, 0x30ad, 0x30ae, 0x30af, 0x30b0, 0x30b1, 0x30b2, 0x30b3, 
+    0x30b4, 0x30b5, 0x30b6, 0x30b7, 0x30b8, 0x30b9, 0x30ba, 0x30bb, 
+    0x30bc, 0x30bd, 0x30be, 0x30bf, 0x30c0, 0x30c1, 0x30c2, 0x30c4, 
+    0x30c5, 0x30c6, 0x30c7, 0x30c8, 0x30c9, 0x30cf, 0x30d0, 0x30d2, 
+    0x30d3, 0x30d5, 0x30d6, 0x30d8, 0x30d9, 0x30db, 0x30dc, 0x30ef, 
+    0x30f7, 0x30f0, 0x30f8, 0x30f1, 0x30f9, 0x30f2, 0x30fa, 0x30fd, 
+    0x30fe, 0xa, 0x306f, 0x3071, 0x3072, 0x3074, 0x3075, 0x3077, 
+    0x3078, 0x307a, 0x307b, 0x307d, 0x30cf, 0x30d1, 0x30d2, 0x30d4, 
+    0x30d5, 0x30d7, 0x30d8, 0x30da, 0x30db, 0x30dd, 
+};
+
+struct NormalizationCorrection {
+    uint ucs4;
+    uint old_mapping;
+    int version;
+};
+
+static const NormalizationCorrection uc_normalization_corrections[] = {
+    { 0xf951, 0x96fb, 6 },
+    { 0x2f868, 0x2136a, 7 },
+    { 0x2f874, 0x5f33, 7 },
+    { 0x2f91f, 0x43ab, 7 },
+    { 0x2f95f, 0x7aae, 7 },
+    { 0x2f9bf, 0x4d57, 7 },
+};
+
+enum { NumNormalizationCorrections = 6 };
+
+enum { UnicodeBlockCount = 512 }; // number of unicode blocks
+enum { UnicodeBlockSize = 128 }; // size of each block
+
+namespace QUnicodeTables {
+
+static const unsigned char uc_scripts[] = {
+    Common, /* U+0000-007f */
+    Common, /* U+0080-00ff */
+    Latin, /* U+0100-017f */
+    Latin, /* U+0180-01ff */
+    Latin, /* U+0200-027f */
+    Latin, /* U+0280-02ff */
+    32, /* U+0300-037f at offset 512 */
+    33, /* U+0380-03ff at offset 640 */
+    Cyrillic, /* U+0400-047f */
+    34, /* U+0480-04ff at offset 768 */
+    35, /* U+0500-057f at offset 896 */
+    36, /* U+0580-05ff at offset 1024 */
+    37, /* U+0600-067f at offset 1152 */
+    38, /* U+0680-06ff at offset 1280 */
+    39, /* U+0700-077f at offset 1408 */
+    40, /* U+0780-07ff at offset 1536 */
+    Common, /* U+0800-087f */
+    Common, /* U+0880-08ff */
+    41, /* U+0900-097f at offset 1664 */
+    42, /* U+0980-09ff at offset 1792 */
+    43, /* U+0a00-0a7f at offset 1920 */
+    44, /* U+0a80-0aff at offset 2048 */
+    45, /* U+0b00-0b7f at offset 2176 */
+    46, /* U+0b80-0bff at offset 2304 */
+    47, /* U+0c00-0c7f at offset 2432 */
+    48, /* U+0c80-0cff at offset 2560 */
+    49, /* U+0d00-0d7f at offset 2688 */
+    50, /* U+0d80-0dff at offset 2816 */
+    51, /* U+0e00-0e7f at offset 2944 */
+    52, /* U+0e80-0eff at offset 3072 */
+    53, /* U+0f00-0f7f at offset 3200 */
+    54, /* U+0f80-0fff at offset 3328 */
+    55, /* U+1000-107f at offset 3456 */
+    56, /* U+1080-10ff at offset 3584 */
+    57, /* U+1100-117f at offset 3712 */
+    58, /* U+1180-11ff at offset 3840 */
+    Ethiopic, /* U+1200-127f */
+    Ethiopic, /* U+1280-12ff */
+    Ethiopic, /* U+1300-137f */
+    Ethiopic, /* U+1380-13ff */
+    Common, /* U+1400-147f */
+    CanadianAboriginal, /* U+1480-14ff */
+    CanadianAboriginal, /* U+1500-157f */
+    CanadianAboriginal, /* U+1580-15ff */
+    CanadianAboriginal, /* U+1600-167f */
+    59, /* U+1680-16ff at offset 3968 */
+    Tagalog, /* U+1700-177f */
+    60, /* U+1780-17ff at offset 4096 */
+    Mongolian, /* U+1800-187f */
+    Mongolian, /* U+1880-18ff */
+    Limbu, /* U+1900-197f */
+    61, /* U+1980-19ff at offset 4224 */
+    Buginese, /* U+1a00-1a7f */
+    Common, /* U+1a80-1aff */
+    Balinese, /* U+1b00-1b7f */
+    Common, /* U+1b80-1bff */
+    Common, /* U+1c00-1c7f */
+    Common, /* U+1c80-1cff */
+    62, /* U+1d00-1d7f at offset 4352 */
+    63, /* U+1d80-1dff at offset 4480 */
+    Latin, /* U+1e00-1e7f */
+    Latin, /* U+1e80-1eff */
+    64, /* U+1f00-1f7f at offset 4608 */
+    65, /* U+1f80-1fff at offset 4736 */
+    66, /* U+2000-207f at offset 4864 */
+    67, /* U+2080-20ff at offset 4992 */
+    68, /* U+2100-217f at offset 5120 */
+    Common, /* U+2180-21ff */
+    Common, /* U+2200-227f */
+    Common, /* U+2280-22ff */
+    Common, /* U+2300-237f */
+    Common, /* U+2380-23ff */
+    Common, /* U+2400-247f */
+    Common, /* U+2480-24ff */
+    Common, /* U+2500-257f */
+    Common, /* U+2580-25ff */
+    Common, /* U+2600-267f */
+    Common, /* U+2680-26ff */
+    Common, /* U+2700-277f */
+    Common, /* U+2780-27ff */
+    Braille, /* U+2800-287f */
+    Braille, /* U+2880-28ff */
+    Common, /* U+2900-297f */
+    Common, /* U+2980-29ff */
+    Common, /* U+2a00-2a7f */
+    Common, /* U+2a80-2aff */
+    Common, /* U+2b00-2b7f */
+    Common, /* U+2b80-2bff */
+    Glagolitic, /* U+2c00-2c7f */
+    Coptic, /* U+2c80-2cff */
+    69, /* U+2d00-2d7f at offset 5248 */
+    Ethiopic, /* U+2d80-2dff */
+    Common, /* U+2e00-2e7f */
+    Han, /* U+2e80-2eff */
+    Han, /* U+2f00-2f7f */
+    Han, /* U+2f80-2fff */
+    70, /* U+3000-307f at offset 5376 */
+    71, /* U+3080-30ff at offset 5504 */
+    72, /* U+3100-317f at offset 5632 */
+    73, /* U+3180-31ff at offset 5760 */
+    74, /* U+3200-327f at offset 5888 */
+    Common, /* U+3280-32ff */
+    Common, /* U+3300-337f */
+    Common, /* U+3380-33ff */
+    Han, /* U+3400-347f */
+    Han, /* U+3480-34ff */
+    Han, /* U+3500-357f */
+    Han, /* U+3580-35ff */
+    Han, /* U+3600-367f */
+    Han, /* U+3680-36ff */
+    Han, /* U+3700-377f */
+    Han, /* U+3780-37ff */
+    Han, /* U+3800-387f */
+    Han, /* U+3880-38ff */
+    Han, /* U+3900-397f */
+    Han, /* U+3980-39ff */
+    Han, /* U+3a00-3a7f */
+    Han, /* U+3a80-3aff */
+    Han, /* U+3b00-3b7f */
+    Han, /* U+3b80-3bff */
+    Han, /* U+3c00-3c7f */
+    Han, /* U+3c80-3cff */
+    Han, /* U+3d00-3d7f */
+    Han, /* U+3d80-3dff */
+    Han, /* U+3e00-3e7f */
+    Han, /* U+3e80-3eff */
+    Han, /* U+3f00-3f7f */
+    Han, /* U+3f80-3fff */
+    Han, /* U+4000-407f */
+    Han, /* U+4080-40ff */
+    Han, /* U+4100-417f */
+    Han, /* U+4180-41ff */
+    Han, /* U+4200-427f */
+    Han, /* U+4280-42ff */
+    Han, /* U+4300-437f */
+    Han, /* U+4380-43ff */
+    Han, /* U+4400-447f */
+    Han, /* U+4480-44ff */
+    Han, /* U+4500-457f */
+    Han, /* U+4580-45ff */
+    Han, /* U+4600-467f */
+    Han, /* U+4680-46ff */
+    Han, /* U+4700-477f */
+    Han, /* U+4780-47ff */
+    Han, /* U+4800-487f */
+    Han, /* U+4880-48ff */
+    Han, /* U+4900-497f */
+    Han, /* U+4980-49ff */
+    Han, /* U+4a00-4a7f */
+    Han, /* U+4a80-4aff */
+    Han, /* U+4b00-4b7f */
+    Han, /* U+4b80-4bff */
+    Han, /* U+4c00-4c7f */
+    Han, /* U+4c80-4cff */
+    Han, /* U+4d00-4d7f */
+    Han, /* U+4d80-4dff */
+    Han, /* U+4e00-4e7f */
+    Han, /* U+4e80-4eff */
+    Han, /* U+4f00-4f7f */
+    Han, /* U+4f80-4fff */
+    Han, /* U+5000-507f */
+    Han, /* U+5080-50ff */
+    Han, /* U+5100-517f */
+    Han, /* U+5180-51ff */
+    Han, /* U+5200-527f */
+    Han, /* U+5280-52ff */
+    Han, /* U+5300-537f */
+    Han, /* U+5380-53ff */
+    Han, /* U+5400-547f */
+    Han, /* U+5480-54ff */
+    Han, /* U+5500-557f */
+    Han, /* U+5580-55ff */
+    Han, /* U+5600-567f */
+    Han, /* U+5680-56ff */
+    Han, /* U+5700-577f */
+    Han, /* U+5780-57ff */
+    Han, /* U+5800-587f */
+    Han, /* U+5880-58ff */
+    Han, /* U+5900-597f */
+    Han, /* U+5980-59ff */
+    Han, /* U+5a00-5a7f */
+    Han, /* U+5a80-5aff */
+    Han, /* U+5b00-5b7f */
+    Han, /* U+5b80-5bff */
+    Han, /* U+5c00-5c7f */
+    Han, /* U+5c80-5cff */
+    Han, /* U+5d00-5d7f */
+    Han, /* U+5d80-5dff */
+    Han, /* U+5e00-5e7f */
+    Han, /* U+5e80-5eff */
+    Han, /* U+5f00-5f7f */
+    Han, /* U+5f80-5fff */
+    Han, /* U+6000-607f */
+    Han, /* U+6080-60ff */
+    Han, /* U+6100-617f */
+    Han, /* U+6180-61ff */
+    Han, /* U+6200-627f */
+    Han, /* U+6280-62ff */
+    Han, /* U+6300-637f */
+    Han, /* U+6380-63ff */
+    Han, /* U+6400-647f */
+    Han, /* U+6480-64ff */
+    Han, /* U+6500-657f */
+    Han, /* U+6580-65ff */
+    Han, /* U+6600-667f */
+    Han, /* U+6680-66ff */
+    Han, /* U+6700-677f */
+    Han, /* U+6780-67ff */
+    Han, /* U+6800-687f */
+    Han, /* U+6880-68ff */
+    Han, /* U+6900-697f */
+    Han, /* U+6980-69ff */
+    Han, /* U+6a00-6a7f */
+    Han, /* U+6a80-6aff */
+    Han, /* U+6b00-6b7f */
+    Han, /* U+6b80-6bff */
+    Han, /* U+6c00-6c7f */
+    Han, /* U+6c80-6cff */
+    Han, /* U+6d00-6d7f */
+    Han, /* U+6d80-6dff */
+    Han, /* U+6e00-6e7f */
+    Han, /* U+6e80-6eff */
+    Han, /* U+6f00-6f7f */
+    Han, /* U+6f80-6fff */
+    Han, /* U+7000-707f */
+    Han, /* U+7080-70ff */
+    Han, /* U+7100-717f */
+    Han, /* U+7180-71ff */
+    Han, /* U+7200-727f */
+    Han, /* U+7280-72ff */
+    Han, /* U+7300-737f */
+    Han, /* U+7380-73ff */
+    Han, /* U+7400-747f */
+    Han, /* U+7480-74ff */
+    Han, /* U+7500-757f */
+    Han, /* U+7580-75ff */
+    Han, /* U+7600-767f */
+    Han, /* U+7680-76ff */
+    Han, /* U+7700-777f */
+    Han, /* U+7780-77ff */
+    Han, /* U+7800-787f */
+    Han, /* U+7880-78ff */
+    Han, /* U+7900-797f */
+    Han, /* U+7980-79ff */
+    Han, /* U+7a00-7a7f */
+    Han, /* U+7a80-7aff */
+    Han, /* U+7b00-7b7f */
+    Han, /* U+7b80-7bff */
+    Han, /* U+7c00-7c7f */
+    Han, /* U+7c80-7cff */
+    Han, /* U+7d00-7d7f */
+    Han, /* U+7d80-7dff */
+    Han, /* U+7e00-7e7f */
+    Han, /* U+7e80-7eff */
+    Han, /* U+7f00-7f7f */
+    Han, /* U+7f80-7fff */
+    Han, /* U+8000-807f */
+    Han, /* U+8080-80ff */
+    Han, /* U+8100-817f */
+    Han, /* U+8180-81ff */
+    Han, /* U+8200-827f */
+    Han, /* U+8280-82ff */
+    Han, /* U+8300-837f */
+    Han, /* U+8380-83ff */
+    Han, /* U+8400-847f */
+    Han, /* U+8480-84ff */
+    Han, /* U+8500-857f */
+    Han, /* U+8580-85ff */
+    Han, /* U+8600-867f */
+    Han, /* U+8680-86ff */
+    Han, /* U+8700-877f */
+    Han, /* U+8780-87ff */
+    Han, /* U+8800-887f */
+    Han, /* U+8880-88ff */
+    Han, /* U+8900-897f */
+    Han, /* U+8980-89ff */
+    Han, /* U+8a00-8a7f */
+    Han, /* U+8a80-8aff */
+    Han, /* U+8b00-8b7f */
+    Han, /* U+8b80-8bff */
+    Han, /* U+8c00-8c7f */
+    Han, /* U+8c80-8cff */
+    Han, /* U+8d00-8d7f */
+    Han, /* U+8d80-8dff */
+    Han, /* U+8e00-8e7f */
+    Han, /* U+8e80-8eff */
+    Han, /* U+8f00-8f7f */
+    Han, /* U+8f80-8fff */
+    Han, /* U+9000-907f */
+    Han, /* U+9080-90ff */
+    Han, /* U+9100-917f */
+    Han, /* U+9180-91ff */
+    Han, /* U+9200-927f */
+    Han, /* U+9280-92ff */
+    Han, /* U+9300-937f */
+    Han, /* U+9380-93ff */
+    Han, /* U+9400-947f */
+    Han, /* U+9480-94ff */
+    Han, /* U+9500-957f */
+    Han, /* U+9580-95ff */
+    Han, /* U+9600-967f */
+    Han, /* U+9680-96ff */
+    Han, /* U+9700-977f */
+    Han, /* U+9780-97ff */
+    Han, /* U+9800-987f */
+    Han, /* U+9880-98ff */
+    Han, /* U+9900-997f */
+    Han, /* U+9980-99ff */
+    Han, /* U+9a00-9a7f */
+    Han, /* U+9a80-9aff */
+    Han, /* U+9b00-9b7f */
+    Han, /* U+9b80-9bff */
+    Han, /* U+9c00-9c7f */
+    Han, /* U+9c80-9cff */
+    Han, /* U+9d00-9d7f */
+    Han, /* U+9d80-9dff */
+    Han, /* U+9e00-9e7f */
+    Han, /* U+9e80-9eff */
+    Han, /* U+9f00-9f7f */
+    Han, /* U+9f80-9fff */
+    Yi, /* U+a000-a07f */
+    Yi, /* U+a080-a0ff */
+    Yi, /* U+a100-a17f */
+    Yi, /* U+a180-a1ff */
+    Yi, /* U+a200-a27f */
+    Yi, /* U+a280-a2ff */
+    Yi, /* U+a300-a37f */
+    Yi, /* U+a380-a3ff */
+    Yi, /* U+a400-a47f */
+    Yi, /* U+a480-a4ff */
+    Common, /* U+a500-a57f */
+    Common, /* U+a580-a5ff */
+    Common, /* U+a600-a67f */
+    Common, /* U+a680-a6ff */
+    Common, /* U+a700-a77f */
+    Common, /* U+a780-a7ff */
+    SylotiNagri, /* U+a800-a87f */
+    Common, /* U+a880-a8ff */
+    Common, /* U+a900-a97f */
+    Common, /* U+a980-a9ff */
+    Common, /* U+aa00-aa7f */
+    Common, /* U+aa80-aaff */
+    Common, /* U+ab00-ab7f */
+    Common, /* U+ab80-abff */
+    Hangul, /* U+ac00-ac7f */
+    Hangul, /* U+ac80-acff */
+    Hangul, /* U+ad00-ad7f */
+    Hangul, /* U+ad80-adff */
+    Hangul, /* U+ae00-ae7f */
+    Hangul, /* U+ae80-aeff */
+    Hangul, /* U+af00-af7f */
+    Hangul, /* U+af80-afff */
+    Hangul, /* U+b000-b07f */
+    Hangul, /* U+b080-b0ff */
+    Hangul, /* U+b100-b17f */
+    Hangul, /* U+b180-b1ff */
+    Hangul, /* U+b200-b27f */
+    Hangul, /* U+b280-b2ff */
+    Hangul, /* U+b300-b37f */
+    Hangul, /* U+b380-b3ff */
+    Hangul, /* U+b400-b47f */
+    Hangul, /* U+b480-b4ff */
+    Hangul, /* U+b500-b57f */
+    Hangul, /* U+b580-b5ff */
+    Hangul, /* U+b600-b67f */
+    Hangul, /* U+b680-b6ff */
+    Hangul, /* U+b700-b77f */
+    Hangul, /* U+b780-b7ff */
+    Hangul, /* U+b800-b87f */
+    Hangul, /* U+b880-b8ff */
+    Hangul, /* U+b900-b97f */
+    Hangul, /* U+b980-b9ff */
+    Hangul, /* U+ba00-ba7f */
+    Hangul, /* U+ba80-baff */
+    Hangul, /* U+bb00-bb7f */
+    Hangul, /* U+bb80-bbff */
+    Hangul, /* U+bc00-bc7f */
+    Hangul, /* U+bc80-bcff */
+    Hangul, /* U+bd00-bd7f */
+    Hangul, /* U+bd80-bdff */
+    Hangul, /* U+be00-be7f */
+    Hangul, /* U+be80-beff */
+    Hangul, /* U+bf00-bf7f */
+    Hangul, /* U+bf80-bfff */
+    Hangul, /* U+c000-c07f */
+    Hangul, /* U+c080-c0ff */
+    Hangul, /* U+c100-c17f */
+    Hangul, /* U+c180-c1ff */
+    Hangul, /* U+c200-c27f */
+    Hangul, /* U+c280-c2ff */
+    Hangul, /* U+c300-c37f */
+    Hangul, /* U+c380-c3ff */
+    Hangul, /* U+c400-c47f */
+    Hangul, /* U+c480-c4ff */
+    Hangul, /* U+c500-c57f */
+    Hangul, /* U+c580-c5ff */
+    Hangul, /* U+c600-c67f */
+    Hangul, /* U+c680-c6ff */
+    Hangul, /* U+c700-c77f */
+    Hangul, /* U+c780-c7ff */
+    Hangul, /* U+c800-c87f */
+    Hangul, /* U+c880-c8ff */
+    Hangul, /* U+c900-c97f */
+    Hangul, /* U+c980-c9ff */
+    Hangul, /* U+ca00-ca7f */
+    Hangul, /* U+ca80-caff */
+    Hangul, /* U+cb00-cb7f */
+    Hangul, /* U+cb80-cbff */
+    Hangul, /* U+cc00-cc7f */
+    Hangul, /* U+cc80-ccff */
+    Hangul, /* U+cd00-cd7f */
+    Hangul, /* U+cd80-cdff */
+    Hangul, /* U+ce00-ce7f */
+    Hangul, /* U+ce80-ceff */
+    Hangul, /* U+cf00-cf7f */
+    Hangul, /* U+cf80-cfff */
+    Hangul, /* U+d000-d07f */
+    Hangul, /* U+d080-d0ff */
+    Hangul, /* U+d100-d17f */
+    Hangul, /* U+d180-d1ff */
+    Hangul, /* U+d200-d27f */
+    Hangul, /* U+d280-d2ff */
+    Hangul, /* U+d300-d37f */
+    Hangul, /* U+d380-d3ff */
+    Hangul, /* U+d400-d47f */
+    Hangul, /* U+d480-d4ff */
+    Hangul, /* U+d500-d57f */
+    Hangul, /* U+d580-d5ff */
+    Hangul, /* U+d600-d67f */
+    Hangul, /* U+d680-d6ff */
+    Hangul, /* U+d700-d77f */
+    75, /* U+d780-d7ff at offset 6016 */
+    Common, /* U+d800-d87f */
+    Common, /* U+d880-d8ff */
+    Common, /* U+d900-d97f */
+    Common, /* U+d980-d9ff */
+    Common, /* U+da00-da7f */
+    Common, /* U+da80-daff */
+    Common, /* U+db00-db7f */
+    Common, /* U+db80-dbff */
+    Common, /* U+dc00-dc7f */
+    Common, /* U+dc80-dcff */
+    Common, /* U+dd00-dd7f */
+    Common, /* U+dd80-ddff */
+    Common, /* U+de00-de7f */
+    Common, /* U+de80-deff */
+    Common, /* U+df00-df7f */
+    Common, /* U+df80-dfff */
+    Common, /* U+e000-e07f */
+    Common, /* U+e080-e0ff */
+    Common, /* U+e100-e17f */
+    Common, /* U+e180-e1ff */
+    Common, /* U+e200-e27f */
+    Common, /* U+e280-e2ff */
+    Common, /* U+e300-e37f */
+    Common, /* U+e380-e3ff */
+    Common, /* U+e400-e47f */
+    Common, /* U+e480-e4ff */
+    Common, /* U+e500-e57f */
+    Common, /* U+e580-e5ff */
+    Common, /* U+e600-e67f */
+    Common, /* U+e680-e6ff */
+    Common, /* U+e700-e77f */
+    Common, /* U+e780-e7ff */
+    Common, /* U+e800-e87f */
+    Common, /* U+e880-e8ff */
+    Common, /* U+e900-e97f */
+    Common, /* U+e980-e9ff */
+    Common, /* U+ea00-ea7f */
+    Common, /* U+ea80-eaff */
+    Common, /* U+eb00-eb7f */
+    Common, /* U+eb80-ebff */
+    Common, /* U+ec00-ec7f */
+    Common, /* U+ec80-ecff */
+    Common, /* U+ed00-ed7f */
+    Common, /* U+ed80-edff */
+    Common, /* U+ee00-ee7f */
+    Common, /* U+ee80-eeff */
+    Common, /* U+ef00-ef7f */
+    Common, /* U+ef80-efff */
+    Common, /* U+f000-f07f */
+    Common, /* U+f080-f0ff */
+    Common, /* U+f100-f17f */
+    Common, /* U+f180-f1ff */
+    Common, /* U+f200-f27f */
+    Common, /* U+f280-f2ff */
+    Common, /* U+f300-f37f */
+    Common, /* U+f380-f3ff */
+    Common, /* U+f400-f47f */
+    Common, /* U+f480-f4ff */
+    Common, /* U+f500-f57f */
+    Common, /* U+f580-f5ff */
+    Common, /* U+f600-f67f */
+    Common, /* U+f680-f6ff */
+    Common, /* U+f700-f77f */
+    Common, /* U+f780-f7ff */
+    Common, /* U+f800-f87f */
+    Common, /* U+f880-f8ff */
+    Han, /* U+f900-f97f */
+    Han, /* U+f980-f9ff */
+    Han, /* U+fa00-fa7f */
+    Han, /* U+fa80-faff */
+    76, /* U+fb00-fb7f at offset 6144 */
+    77, /* U+fb80-fbff at offset 6272 */
+    Arabic, /* U+fc00-fc7f */
+    Arabic, /* U+fc80-fcff */
+    78, /* U+fd00-fd7f at offset 6400 */
+    79, /* U+fd80-fdff at offset 6528 */
+    80, /* U+fe00-fe7f at offset 6656 */
+    81, /* U+fe80-feff at offset 6784 */
+    Common, /* U+ff00-ff7f */
+    82, /* U+ff80-ffff at offset 6912 */
+
+
+    /* U+0300-037f at offset 512 */
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Common, Common, Common, Common, Greek, Greek, Common, Common,
+    Common, Common, Greek, Greek, Greek, Greek, Common, Common, 
+
+    /* U+0380-03ff at offset 640 */
+    Common, Common, Common, Common, Greek, Greek, Greek, Common,
+    Greek, Greek, Greek, Common, Greek, Common, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Common, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Common,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic,
+    Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic, Coptic,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek, 
+
+    /* U+0480-04ff at offset 768 */
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Common,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, 
+
+    /* U+0500-057f at offset 896 */
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic, Cyrillic,
+    Cyrillic, Cyrillic, Cyrillic, Cyrillic, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Common,
+    Common, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Common, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, 
+
+    /* U+0580-05ff at offset 1024 */
+    Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Common, Common, Armenian, Common, Common, Common, Common, Common,
+    Common, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Common, Common, Common, Common, Common,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0600-067f at offset 1152 */
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Arabic, Common, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common,
+    Common, Common, Common, Common, Common, Common, Arabic, Common,
+    Common, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Common, Common, Common, Common, Common,
+    Common, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Inherited, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, 
+
+    /* U+0680-06ff at offset 1280 */
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Common, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, 
+
+    /* U+0700-077f at offset 1408 */
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac,
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Common, Syriac,
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac,
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac,
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac,
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac,
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac,
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac,
+    Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac, Syriac,
+    Syriac, Syriac, Syriac, Common, Common, Syriac, Syriac, Syriac,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0780-07ff at offset 1536 */
+    Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana,
+    Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana,
+    Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana,
+    Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana,
+    Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana,
+    Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana, Thaana,
+    Thaana, Thaana, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko,
+    Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko,
+    Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko,
+    Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko,
+    Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko,
+    Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko,
+    Nko, Nko, Nko, Nko, Nko, Nko, Nko, Nko,
+    Nko, Nko, Nko, Common, Common, Common, Common, Common, 
+
+    /* U+0900-097f at offset 1664 */
+    Common, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Common, Common, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Common, Common,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Common, Common, Common,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Common, Common, Devanagari, Devanagari,
+    Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Devanagari, Devanagari, Devanagari, Devanagari, Devanagari, 
+
+    /* U+0980-09ff at offset 1792 */
+    Common, Bengali, Bengali, Bengali, Common, Bengali, Bengali, Bengali,
+    Bengali, Bengali, Bengali, Bengali, Bengali, Common, Common, Bengali,
+    Bengali, Common, Common, Bengali, Bengali, Bengali, Bengali, Bengali,
+    Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali,
+    Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali,
+    Bengali, Common, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali,
+    Bengali, Common, Bengali, Common, Common, Common, Bengali, Bengali,
+    Bengali, Bengali, Common, Common, Bengali, Bengali, Bengali, Bengali,
+    Bengali, Bengali, Bengali, Bengali, Bengali, Common, Common, Bengali,
+    Bengali, Common, Common, Bengali, Bengali, Bengali, Bengali, Common,
+    Common, Common, Common, Common, Common, Common, Common, Bengali,
+    Common, Common, Common, Common, Bengali, Bengali, Common, Bengali,
+    Bengali, Bengali, Bengali, Bengali, Common, Common, Bengali, Bengali,
+    Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali,
+    Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali, Bengali,
+    Bengali, Bengali, Bengali, Common, Common, Common, Common, Common, 
+
+    /* U+0a00-0a7f at offset 1920 */
+    Common, Gurmukhi, Gurmukhi, Gurmukhi, Common, Gurmukhi, Gurmukhi, Gurmukhi,
+    Gurmukhi, Gurmukhi, Gurmukhi, Common, Common, Common, Common, Gurmukhi,
+    Gurmukhi, Common, Common, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi,
+    Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi,
+    Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi,
+    Gurmukhi, Common, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi,
+    Gurmukhi, Common, Gurmukhi, Gurmukhi, Common, Gurmukhi, Gurmukhi, Common,
+    Gurmukhi, Gurmukhi, Common, Common, Gurmukhi, Common, Gurmukhi, Gurmukhi,
+    Gurmukhi, Gurmukhi, Gurmukhi, Common, Common, Common, Common, Gurmukhi,
+    Gurmukhi, Common, Common, Gurmukhi, Gurmukhi, Gurmukhi, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Common, Gurmukhi, Common,
+    Common, Common, Common, Common, Common, Common, Gurmukhi, Gurmukhi,
+    Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi,
+    Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Gurmukhi, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0a80-0aff at offset 2048 */
+    Common, Gujarati, Gujarati, Gujarati, Common, Gujarati, Gujarati, Gujarati,
+    Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Common, Gujarati,
+    Gujarati, Gujarati, Common, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati,
+    Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati,
+    Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati,
+    Gujarati, Common, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati,
+    Gujarati, Common, Gujarati, Gujarati, Common, Gujarati, Gujarati, Gujarati,
+    Gujarati, Gujarati, Common, Common, Gujarati, Gujarati, Gujarati, Gujarati,
+    Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Common, Gujarati,
+    Gujarati, Gujarati, Common, Gujarati, Gujarati, Gujarati, Common, Common,
+    Gujarati, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Gujarati, Gujarati, Gujarati, Gujarati, Common, Common, Gujarati, Gujarati,
+    Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati, Gujarati,
+    Common, Gujarati, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0b00-0b7f at offset 2176 */
+    Common, Oriya, Oriya, Oriya, Common, Oriya, Oriya, Oriya,
+    Oriya, Oriya, Oriya, Oriya, Oriya, Common, Common, Oriya,
+    Oriya, Common, Common, Oriya, Oriya, Oriya, Oriya, Oriya,
+    Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya,
+    Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya,
+    Oriya, Common, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya,
+    Oriya, Common, Oriya, Oriya, Common, Oriya, Oriya, Oriya,
+    Oriya, Oriya, Common, Common, Oriya, Oriya, Oriya, Oriya,
+    Oriya, Oriya, Oriya, Oriya, Common, Common, Common, Oriya,
+    Oriya, Common, Common, Oriya, Oriya, Oriya, Common, Common,
+    Common, Common, Common, Common, Common, Common, Oriya, Oriya,
+    Common, Common, Common, Common, Oriya, Oriya, Common, Oriya,
+    Oriya, Oriya, Common, Common, Common, Common, Oriya, Oriya,
+    Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya, Oriya,
+    Oriya, Oriya, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0b80-0bff at offset 2304 */
+    Common, Common, Tamil, Tamil, Common, Tamil, Tamil, Tamil,
+    Tamil, Tamil, Tamil, Common, Common, Common, Tamil, Tamil,
+    Tamil, Common, Tamil, Tamil, Tamil, Tamil, Common, Common,
+    Common, Tamil, Tamil, Common, Tamil, Common, Tamil, Tamil,
+    Common, Common, Common, Tamil, Tamil, Common, Common, Common,
+    Tamil, Tamil, Tamil, Common, Common, Common, Tamil, Tamil,
+    Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil,
+    Tamil, Tamil, Common, Common, Common, Common, Tamil, Tamil,
+    Tamil, Tamil, Tamil, Common, Common, Common, Tamil, Tamil,
+    Tamil, Common, Tamil, Tamil, Tamil, Tamil, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Tamil,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Tamil, Tamil,
+    Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil,
+    Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil, Tamil,
+    Tamil, Tamil, Tamil, Common, Common, Common, Common, Common, 
+
+    /* U+0c00-0c7f at offset 2432 */
+    Common, Telugu, Telugu, Telugu, Common, Telugu, Telugu, Telugu,
+    Telugu, Telugu, Telugu, Telugu, Telugu, Common, Telugu, Telugu,
+    Telugu, Common, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu,
+    Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu,
+    Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu,
+    Telugu, Common, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu,
+    Telugu, Telugu, Telugu, Telugu, Common, Telugu, Telugu, Telugu,
+    Telugu, Telugu, Common, Common, Common, Common, Telugu, Telugu,
+    Telugu, Telugu, Telugu, Telugu, Telugu, Common, Telugu, Telugu,
+    Telugu, Common, Telugu, Telugu, Telugu, Telugu, Common, Common,
+    Common, Common, Common, Common, Common, Telugu, Telugu, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Telugu, Telugu, Common, Common, Common, Common, Telugu, Telugu,
+    Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu, Telugu,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0c80-0cff at offset 2560 */
+    Common, Common, Kannada, Kannada, Common, Kannada, Kannada, Kannada,
+    Kannada, Kannada, Kannada, Kannada, Kannada, Common, Kannada, Kannada,
+    Kannada, Common, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada,
+    Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada,
+    Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada,
+    Kannada, Common, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada,
+    Kannada, Kannada, Kannada, Kannada, Common, Kannada, Kannada, Kannada,
+    Kannada, Kannada, Common, Common, Kannada, Kannada, Kannada, Kannada,
+    Kannada, Kannada, Kannada, Kannada, Kannada, Common, Kannada, Kannada,
+    Kannada, Common, Kannada, Kannada, Kannada, Kannada, Common, Common,
+    Common, Common, Common, Common, Common, Kannada, Kannada, Common,
+    Common, Common, Common, Common, Common, Common, Kannada, Common,
+    Kannada, Kannada, Kannada, Kannada, Common, Common, Kannada, Kannada,
+    Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada, Kannada,
+    Common, Kannada, Kannada, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0d00-0d7f at offset 2688 */
+    Common, Common, Malayalam, Malayalam, Common, Malayalam, Malayalam, Malayalam,
+    Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Common, Malayalam, Malayalam,
+    Malayalam, Common, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam,
+    Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam,
+    Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam,
+    Malayalam, Common, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam,
+    Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam,
+    Malayalam, Malayalam, Common, Common, Common, Common, Malayalam, Malayalam,
+    Malayalam, Malayalam, Malayalam, Malayalam, Common, Common, Malayalam, Malayalam,
+    Malayalam, Common, Malayalam, Malayalam, Malayalam, Malayalam, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Malayalam,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Malayalam, Malayalam, Common, Common, Common, Common, Malayalam, Malayalam,
+    Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam, Malayalam,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0d80-0dff at offset 2816 */
+    Common, Common, Sinhala, Sinhala, Common, Sinhala, Sinhala, Sinhala,
+    Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala,
+    Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Common,
+    Common, Common, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala,
+    Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala,
+    Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala,
+    Sinhala, Sinhala, Common, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala,
+    Sinhala, Sinhala, Sinhala, Sinhala, Common, Sinhala, Common, Common,
+    Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Common,
+    Common, Common, Sinhala, Common, Common, Common, Common, Sinhala,
+    Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Common, Sinhala, Common,
+    Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala, Sinhala,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Sinhala, Sinhala, Sinhala, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0e00-0e7f at offset 2944 */
+    Common, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Common, Common, Common, Common, Common,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Thai, Thai, Thai, Thai,
+    Thai, Thai, Thai, Thai, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0e80-0eff at offset 3072 */
+    Common, Lao, Lao, Common, Lao, Common, Common, Lao,
+    Lao, Common, Lao, Common, Common, Lao, Common, Common,
+    Common, Common, Common, Common, Lao, Lao, Lao, Lao,
+    Common, Lao, Lao, Lao, Lao, Lao, Lao, Lao,
+    Common, Lao, Lao, Lao, Common, Lao, Common, Lao,
+    Common, Common, Lao, Lao, Common, Lao, Lao, Lao,
+    Lao, Lao, Lao, Lao, Lao, Lao, Lao, Lao,
+    Lao, Lao, Common, Lao, Lao, Lao, Common, Common,
+    Lao, Lao, Lao, Lao, Lao, Common, Lao, Common,
+    Lao, Lao, Lao, Lao, Lao, Lao, Common, Common,
+    Lao, Lao, Lao, Lao, Lao, Lao, Lao, Lao,
+    Lao, Lao, Common, Common, Lao, Lao, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+0f00-0f7f at offset 3200 */
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Common, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Common, Common, Common, Common, Common,
+    Common, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, 
+
+    /* U+0f80-0fff at offset 3328 */
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Common, Common, Common, Common,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Common, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Common, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Tibetan,
+    Tibetan, Tibetan, Tibetan, Tibetan, Tibetan, Common, Common, Tibetan,
+    Tibetan, Tibetan, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+1000-107f at offset 3456 */
+    Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar,
+    Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar,
+    Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar,
+    Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar,
+    Myanmar, Myanmar, Common, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar,
+    Common, Myanmar, Myanmar, Common, Myanmar, Myanmar, Myanmar, Myanmar,
+    Myanmar, Myanmar, Myanmar, Common, Common, Common, Myanmar, Myanmar,
+    Myanmar, Myanmar, Common, Common, Common, Common, Common, Common,
+    Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar,
+    Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar,
+    Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar, Myanmar,
+    Myanmar, Myanmar, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+1080-10ff at offset 3584 */
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Common, Georgian, Common, Common, Common, 
+
+    /* U+1100-117f at offset 3712 */
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Common, Common, Common, Common, Common, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, 
+
+    /* U+1180-11ff at offset 3840 */
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Common, Common, Common, Common, Common,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Common, Common, Common, Common, Common, Common, 
+
+    /* U+1680-16ff at offset 3968 */
+    Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, Ogham,
+    Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, Ogham,
+    Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, Ogham, Ogham,
+    Ogham, Ogham, Ogham, Ogham, Ogham, Common, Common, Common,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Runic, Runic, Runic, Runic, Runic,
+    Runic, Runic, Runic, Common, Common, Common, Runic, Runic,
+    Runic, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+1780-17ff at offset 4096 */
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Common, Common,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Common, Common, Common, Common, Common, Common,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Common, Common, Common, Common, Common, Common, 
+
+    /* U+1980-19ff at offset 4224 */
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, Common, Common, Common, Common, Common, Common,
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, Common, Common, Common, Common, Common, Common,
+    NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue, NewTaiLue,
+    NewTaiLue, NewTaiLue, Common, Common, Common, Common, NewTaiLue, NewTaiLue,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer,
+    Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, Khmer, 
+
+    /* U+1d00-1d7f at offset 4352 */
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Greek, Greek,
+    Greek, Greek, Greek, Cyrillic, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Greek, Greek, Greek,
+    Greek, Greek, Latin, Latin, Latin, Latin, Greek, Greek,
+    Greek, Greek, Greek, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Cyrillic, Latin, Latin, Latin, Latin, Latin, Latin, Latin, 
+
+    /* U+1d80-1dff at offset 4480 */
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Latin,
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Greek,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Inherited, Inherited, 
+
+    /* U+1f00-1f7f at offset 4608 */
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Common, Common,
+    Greek, Greek, Greek, Greek, Greek, Greek, Common, Common,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Common, Common,
+    Greek, Greek, Greek, Greek, Greek, Greek, Common, Common,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Common, Greek, Common, Greek, Common, Greek, Common, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Common, Common, 
+
+    /* U+1f80-1fff at offset 4736 */
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Common, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Common, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Common, Common, Greek, Greek,
+    Greek, Greek, Greek, Greek, Common, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Greek,
+    Common, Common, Greek, Greek, Greek, Common, Greek, Greek,
+    Greek, Greek, Greek, Greek, Greek, Greek, Greek, Common, 
+
+    /* U+2000-207f at offset 4864 */
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Inherited, Inherited, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Latin, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Latin, 
+
+    /* U+2080-20ff at offset 4992 */
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Latin, Latin, Latin, Latin, Latin, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+2100-217f at offset 5120 */
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Greek, Common,
+    Common, Common, Latin, Latin, Common, Common, Common, Common,
+    Common, Common, Latin, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Latin, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+2d00-2d7f at offset 5248 */
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Georgian,
+    Georgian, Georgian, Georgian, Georgian, Georgian, Georgian, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh,
+    Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh,
+    Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh,
+    Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh,
+    Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh,
+    Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh,
+    Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Tifinagh, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Tifinagh,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+3000-307f at offset 5376 */
+    Common, Common, Common, Common, Common, Han, Common, Han,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Han, Han, Han, Han, Han, Han, Han,
+    Han, Han, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Han, Han, Han, Han, Common, Common, Common, Common,
+    Common, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, 
+
+    /* U+3080-30ff at offset 5504 */
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana,
+    Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Hiragana, Common,
+    Common, Inherited, Inherited, Common, Common, Hiragana, Hiragana, Hiragana,
+    Common, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Common, Common, Katakana, Katakana, Katakana, 
+
+    /* U+3100-317f at offset 5632 */
+    Common, Common, Common, Common, Common, Bopomofo, Bopomofo, Bopomofo,
+    Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo,
+    Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo,
+    Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo,
+    Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo,
+    Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Common, Common, Common,
+    Common, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, 
+
+    /* U+3180-31ff at offset 5760 */
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo,
+    Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo,
+    Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo, Bopomofo,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, 
+
+    /* U+3200-327f at offset 5888 */
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Common, Common, 
+
+    /* U+d780-d7ff at offset 6016 */
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common, 
+
+    /* U+fb00-fb7f at offset 6144 */
+    Latin, Latin, Latin, Latin, Latin, Latin, Latin, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Armenian, Armenian, Armenian, Armenian, Armenian,
+    Common, Common, Common, Common, Common, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Common,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Common, Hebrew, Common,
+    Hebrew, Hebrew, Common, Hebrew, Hebrew, Common, Hebrew, Hebrew,
+    Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew, Hebrew,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, 
+
+    /* U+fb80-fbff at offset 6272 */
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, 
+
+    /* U+fd00-fd7f at offset 6400 */
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, 
+
+    /* U+fd80-fdff at offset 6528 */
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Common, Common, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common, Common, 
+
+    /* U+fe00-fe7f at offset 6656 */
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited, Inherited,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Inherited, Inherited, Inherited, Inherited, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Common, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, 
+
+    /* U+fe80-feff at offset 6784 */
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic, Arabic,
+    Arabic, Arabic, Arabic, Arabic, Arabic, Common, Common, Common, 
+
+    /* U+ff80-ffff at offset 6912 */
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Katakana,
+    Katakana, Katakana, Katakana, Katakana, Katakana, Katakana, Common, Common,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul, Common,
+    Common, Common, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Common, Common, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Common, Common, Hangul, Hangul, Hangul, Hangul, Hangul, Hangul,
+    Common, Common, Hangul, Hangul, Hangul, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common,
+    Common, Common, Common, Common, Common, Common, Common, Common 
+};
+
+} // namespace QUnicodeTables
+
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qunicodetables_p.h b/src/corelib/tools/qunicodetables_p.h
new file mode 100644
index 0000000000..e588313b6d
--- /dev/null
+++ b/src/corelib/tools/qunicodetables_p.h
@@ -0,0 +1,231 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/* This file is autogenerated from the Unicode 5.0 database. Do not edit */
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of internal files.  This header file may change from version to version
+// without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QUNICODETABLES_P_H
+#define QUNICODETABLES_P_H
+
+#include <QtCore/qchar.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QUnicodeTables {
+    struct Properties {
+        ushort category : 8;
+        ushort line_break_class : 8;
+        ushort direction : 8;
+        ushort combiningClass :8;
+        ushort joining : 2;
+        signed short digitValue : 6; /* 5 needed */
+        ushort unicodeVersion : 4;
+        ushort lowerCaseSpecial : 1;
+        ushort upperCaseSpecial : 1;
+        ushort titleCaseSpecial : 1;
+        ushort caseFoldSpecial : 1; /* currently unused */
+        signed short mirrorDiff : 16;
+        signed short lowerCaseDiff : 16;
+        signed short upperCaseDiff : 16;
+        signed short titleCaseDiff : 16;
+        signed short caseFoldDiff : 16;
+        ushort graphemeBreak : 8;
+        ushort wordBreak : 8;
+        ushort sentenceBreak : 8;
+    };
+    Q_CORE_EXPORT const Properties* QT_FASTCALL properties(uint ucs4);
+    Q_CORE_EXPORT const Properties* QT_FASTCALL properties(ushort ucs2);
+
+    // See http://www.unicode.org/reports/tr24/tr24-5.html
+
+    enum Script {
+        Common,
+        Greek,
+        Cyrillic,
+        Armenian,
+        Hebrew,
+        Arabic,
+        Syriac,
+        Thaana,
+        Devanagari,
+        Bengali,
+        Gurmukhi,
+        Gujarati,
+        Oriya,
+        Tamil,
+        Telugu,
+        Kannada,
+        Malayalam,
+        Sinhala,
+        Thai,
+        Lao,
+        Tibetan,
+        Myanmar,
+        Georgian,
+        Hangul,
+        Ogham,
+        Runic,
+        Khmer,
+        Inherited,
+        ScriptCount = Inherited,
+        Latin = Common,
+        Ethiopic = Common,
+        Cherokee = Common,
+        CanadianAboriginal = Common,
+        Mongolian = Common,
+        Hiragana = Common,
+        Katakana = Common,
+        Bopomofo = Common,
+        Han = Common,
+        Yi = Common,
+        OldItalic = Common,
+        Gothic = Common,
+        Deseret = Common,
+        Tagalog = Common,
+        Hanunoo = Common,
+        Buhid = Common,
+        Tagbanwa = Common,
+        Limbu = Common,
+        TaiLe = Common,
+        LinearB = Common,
+        Ugaritic = Common,
+        Shavian = Common,
+        Osmanya = Common,
+        Cypriot = Common,
+        Braille = Common,
+        Buginese = Common,
+        Coptic = Common,
+        NewTaiLue = Common,
+        Glagolitic = Common,
+        Tifinagh = Common,
+        SylotiNagri = Common,
+        OldPersian = Common,
+        Kharoshthi = Common,
+        Balinese = Common,
+        Cuneiform = Common,
+        Phoenician = Common,
+        PhagsPa = Common,
+        Nko = Common
+    };
+    enum { ScriptSentinel = 32 };
+
+
+    // see http://www.unicode.org/reports/tr14/tr14-19.html
+    // we don't use the XX, AI and CB properties and map them to AL instead.
+    // as we don't support any EBDIC based OS'es, NL is ignored and mapped to AL as well.
+    enum LineBreakClass {
+        LineBreak_OP, LineBreak_CL, LineBreak_QU, LineBreak_GL, LineBreak_NS,
+        LineBreak_EX, LineBreak_SY, LineBreak_IS, LineBreak_PR, LineBreak_PO,
+        LineBreak_NU, LineBreak_AL, LineBreak_ID, LineBreak_IN, LineBreak_HY,
+        LineBreak_BA, LineBreak_BB, LineBreak_B2, LineBreak_ZW, LineBreak_CM,
+        LineBreak_WJ, LineBreak_H2, LineBreak_H3, LineBreak_JL, LineBreak_JV,
+        LineBreak_JT, LineBreak_SA, LineBreak_SG,
+        LineBreak_SP, LineBreak_CR, LineBreak_LF, LineBreak_BK
+    };
+
+
+    Q_CORE_EXPORT QUnicodeTables::LineBreakClass QT_FASTCALL lineBreakClass(uint ucs4);
+    inline int lineBreakClass(const QChar &ch) {
+        return QUnicodeTables::lineBreakClass(ch.unicode());
+    }
+
+    Q_CORE_EXPORT int QT_FASTCALL script(uint ucs4);
+    Q_CORE_EXPORT_INLINE int QT_FASTCALL script(const QChar &ch) {
+        return script(ch.unicode());
+    }
+
+
+    enum GraphemeBreak {
+        GraphemeBreakOther, 
+        GraphemeBreakCR,
+        GraphemeBreakLF,
+        GraphemeBreakControl,
+        GraphemeBreakExtend,
+        GraphemeBreakL,
+        GraphemeBreakV,
+        GraphemeBreakT,
+        GraphemeBreakLV,
+        GraphemeBreakLVT
+    };
+
+
+    enum WordBreak {
+        WordBreakOther,
+        WordBreakFormat,
+        WordBreakKatakana,
+        WordBreakALetter,
+        WordBreakMidLetter,
+        WordBreakMidNum,
+        WordBreakNumeric,
+        WordBreakExtendNumLet
+    };
+
+
+    enum SentenceBreak {
+        SentenceBreakOther,
+        SentenceBreakSep,
+        SentenceBreakFormat,
+        SentenceBreakSp,
+        SentenceBreakLower,
+        SentenceBreakUpper,
+        SentenceBreakOLetter,
+        SentenceBreakNumeric,
+        SentenceBreakATerm,
+        SentenceBreakSTerm,
+        SentenceBreakClose
+    };
+
+
+}
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/tools/qvarlengtharray.h b/src/corelib/tools/qvarlengtharray.h
new file mode 100644
index 0000000000..e2f60edd19
--- /dev/null
+++ b/src/corelib/tools/qvarlengtharray.h
@@ -0,0 +1,238 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QVARLENGTHARRAY_H
+#define QVARLENGTHARRAY_H
+
+#include <QtCore/qcontainerfwd.h>
+#include <QtCore/qglobal.h>
+#include <new>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+// Prealloc = 256 by default, specified in qcontainerfwd.h
+template<class T, int Prealloc>
+class QVarLengthArray
+{
+public:
+    inline explicit QVarLengthArray(int size = 0);
+
+    inline QVarLengthArray(const QVarLengthArray<T, Prealloc> &other)
+        : a(Prealloc), s(0), ptr(reinterpret_cast<T *>(array))
+    {
+        append(other.constData(), other.size());
+    }
+
+    inline ~QVarLengthArray() {
+        if (QTypeInfo<T>::isComplex) {
+            T *i = ptr + s;
+            while (i-- != ptr)
+                i->~T();
+        }
+        if (ptr != reinterpret_cast<T *>(array))
+            qFree(ptr);
+    }
+    inline QVarLengthArray<T, Prealloc> &operator=(const QVarLengthArray<T, Prealloc> &other)
+    {
+        if (this != &other) {
+            clear();
+            append(other.constData(), other.size());
+        }
+        return *this;
+    }
+
+    inline void removeLast() {
+        Q_ASSERT(s > 0);
+        realloc(s - 1, a);
+    }
+    inline int size() const { return s; }
+    inline int count() const { return s; }
+    inline bool isEmpty() const { return (s == 0); }
+    inline void resize(int size);
+    inline void clear() { resize(0); }
+
+    inline int capacity() const { return a; }
+    inline void reserve(int size);
+
+    inline T &operator[](int idx) {
+        Q_ASSERT(idx >= 0 && idx < s);
+        return ptr[idx];
+    }
+    inline const T &operator[](int idx) const {
+        Q_ASSERT(idx >= 0 && idx < s);
+        return ptr[idx];
+    }
+
+    inline void append(const T &t) {
+        if (s == a)   // i.e. s != 0
+            realloc(s, s<<1);
+        const int idx = s++;
+        if (QTypeInfo<T>::isComplex) {
+            new (ptr + idx) T(t);
+        } else {
+            ptr[idx] = t;
+        }
+    }
+    void append(const T *buf, int size);
+
+    inline T *data() { return ptr; }
+    inline const T *data() const { return ptr; }
+    inline const T * constData() const { return ptr; }
+
+private:
+    void realloc(int size, int alloc);
+
+    int a;
+    int s;
+    T *ptr;
+    union {
+        // ### Qt 5: Use 'Prealloc * sizeof(T)' as array size
+        char array[sizeof(qint64) * (((Prealloc * sizeof(T)) / sizeof(qint64)) + 1)];
+        qint64 q_for_alignment_1;
+        double q_for_alignment_2;
+    };
+};
+
+template <class T, int Prealloc>
+Q_INLINE_TEMPLATE QVarLengthArray<T, Prealloc>::QVarLengthArray(int asize)
+    : s(asize) {
+    if (s > Prealloc) {
+        ptr = reinterpret_cast<T *>(qMalloc(s * sizeof(T)));
+        a = s;
+    } else {
+        ptr = reinterpret_cast<T *>(array);
+        a = Prealloc;
+    }
+    if (QTypeInfo<T>::isComplex) {
+        T *i = ptr + s;
+        while (i != ptr)
+            new (--i) T;
+    }
+}
+
+template <class T, int Prealloc>
+Q_INLINE_TEMPLATE void QVarLengthArray<T, Prealloc>::resize(int asize)
+{ realloc(asize, qMax(asize, a)); }
+
+template <class T, int Prealloc>
+Q_INLINE_TEMPLATE void QVarLengthArray<T, Prealloc>::reserve(int asize)
+{ if (asize > a) realloc(s, asize); }
+
+template <class T, int Prealloc>
+Q_OUTOFLINE_TEMPLATE void QVarLengthArray<T, Prealloc>::append(const T *abuf, int asize)
+{
+    Q_ASSERT(abuf);
+    if (asize <= 0)
+        return;
+
+    const int idx = s;
+    const int news = s + asize;
+    if (news >= a)
+        realloc(s, qMax(s<<1, news));
+    s = news;
+
+    if (QTypeInfo<T>::isComplex) {
+        T *i = ptr + idx;
+        T *j = i + asize;
+        while (i < j)
+            new (i++) T(*abuf++);
+    } else {
+        qMemCopy(&ptr[idx], abuf, asize * sizeof(T));
+    }
+}
+
+template <class T, int Prealloc>
+Q_OUTOFLINE_TEMPLATE void QVarLengthArray<T, Prealloc>::realloc(int asize, int aalloc)
+{
+    Q_ASSERT(aalloc >= asize);
+    T *oldPtr = ptr;
+    int osize = s;
+    s = asize;
+
+    if (aalloc != a) {
+        ptr = reinterpret_cast<T *>(qMalloc(aalloc * sizeof(T)));
+        if (ptr) {
+            a = aalloc;
+
+            if (QTypeInfo<T>::isStatic) {
+                T *i = ptr + osize;
+                T *j = oldPtr + osize;
+                while (i != ptr) {
+                    new (--i) T(*--j);
+                    j->~T();
+                }
+            } else {
+                qMemCopy(ptr, oldPtr, osize * sizeof(T));
+            }
+        } else {
+            ptr = oldPtr;
+            s = 0;
+            asize = 0;
+        }
+    }
+
+    if (QTypeInfo<T>::isComplex) {
+        if (asize < osize) {
+            T *i = oldPtr + osize;
+            T *j = oldPtr + asize;
+            while (i-- != j)
+                i->~T();
+        } else {
+            T *i = ptr + asize;
+            T *j = ptr + osize;
+            while (i != j)
+                new (--i) T;
+        }
+    }
+
+    if (oldPtr != reinterpret_cast<T *>(array) && oldPtr != ptr)
+        qFree(oldPtr);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QVARLENGTHARRAY_H
diff --git a/src/corelib/tools/qvector.cpp b/src/corelib/tools/qvector.cpp
new file mode 100644
index 0000000000..6b26b2e08d
--- /dev/null
+++ b/src/corelib/tools/qvector.cpp
@@ -0,0 +1,968 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qvector.h"
+#include "qtools_p.h"
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+QVectorData QVectorData::shared_null = { Q_BASIC_ATOMIC_INITIALIZER(1), 0, 0, true, false };
+
+QVectorData *QVectorData::malloc(int sizeofTypedData, int size, int sizeofT, QVectorData *init)
+{
+    QVectorData* p = (QVectorData *)qMalloc(sizeofTypedData + (size - 1) * sizeofT);
+    ::memcpy(p, init, sizeofTypedData + (qMin(size, init->alloc) - 1) * sizeofT);
+    return p;
+}
+
+int QVectorData::grow(int sizeofTypedData, int size, int sizeofT, bool excessive)
+{
+    if (excessive)
+        return size + size / 2;
+    return qAllocMore(size * sizeofT, sizeofTypedData - sizeofT) / sizeofT;
+}
+
+/*!
+    \class QVector
+    \brief The QVector class is a template class that provides a dynamic array.
+
+    \ingroup tools
+    \ingroup shared
+    \mainclass
+    \reentrant
+
+    QVector\<T\> is one of Qt's generic \l{container classes}. It
+    stores its items in adjacent memory locations and provides fast
+    index-based access.
+
+    QList\<T\>, QLinkedList\<T\>, and QVarLengthArray\<T\> provide
+    similar functionality. Here's an overview:
+
+    \list
+    \i For most purposes, QList is the right class to use. Operations
+       like prepend() and insert() are usually faster than with
+       QVector because of the way QList stores its items in memory
+       (see \l{Algorithmic Complexity} for details),
+       and its index-based API is more convenient than QLinkedList's
+       iterator-based API. It also expands to less code in your
+       executable.
+    \i If you need a real linked list, with guarantees of \l{constant
+       time} insertions in the middle of the list and iterators to
+       items rather than indexes, use QLinkedList.
+    \i If you want the items to occupy adjacent memory positions, or
+       if your items are larger than a pointer and you want to avoid
+       the overhead of allocating them on the heap individually at
+       insertion time, then use QVector.
+    \i If you want a low-level variable-size array, QVarLengthArray
+       may be sufficient.
+    \endlist
+
+    Here's an example of a QVector that stores integers and a QVector
+    that stores QString values:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 0
+
+    QVector stores a vector (or array) of items. Typically, vectors
+    are created with an initial size. For example, the following code
+    constructs a QVector with 200 elements:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 1
+
+    The elements are automatically initialized with a
+    \l{default-constructed value}. If you want to initialize the
+    vector with a different value, pass that value as the second
+    argument to the constructor:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 2
+
+    You can also call fill() at any time to fill the vector with a
+    value.
+
+    QVector uses 0-based indexes, just like C++ arrays. To access the
+    item at a particular index position, you can use operator[](). On
+    non-const vectors, operator[]() returns a reference to the item
+    that can be used on the left side of an assignment:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 3
+
+    For read-only access, an alternative syntax is to use at():
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 4
+
+    at() can be faster than operator[](), because it never causes a
+    \l{deep copy} to occur.
+
+    Another way to access the data stored in a QVector is to call
+    data(). The function returns a pointer to the first item in the
+    vector. You can use the pointer to directly access and modify the
+    elements stored in the vector. The pointer is also useful if you
+    need to pass a QVector to a function that accepts a plain C++
+    array.
+
+    If you want to find all occurrences of a particular value in a
+    vector, use indexOf() or lastIndexOf(). The former searches
+    forward starting from a given index position, the latter searches
+    backward. Both return the index of the matching item if they found
+    one; otherwise, they return -1. For example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 5
+
+    If you simply want to check whether a vector contains a
+    particular value, use contains(). If you want to find out how
+    many times a particular value occurs in the vector, use count().
+
+    QVector provides these basic functions to add, move, and remove
+    items: insert(), replace(), remove(), prepend(), append(). With
+    the exception of append() and replace(), these functions can be slow
+    (\l{linear time}) for large vectors, because they require moving many
+    items in the vector by one position in memory. If you want a container
+    class that provides fast insertion/removal in the middle, use
+    QList or QLinkedList instead.
+
+    Unlike plain C++ arrays, QVectors can be resized at any time by
+    calling resize(). If the new size is larger than the old size,
+    QVector might need to reallocate the whole vector. QVector tries
+    to reduce the number of reallocations by preallocating up to twice
+    as much memory as the actual data needs.
+
+    If you know in advance approximately how many items the QVector
+    will contain, you can call reserve(), asking QVector to
+    preallocate a certain amount of memory. You can also call
+    capacity() to find out how much memory QVector actually
+    allocated.
+
+    Note that using non-const operators and functions can cause
+    QVector to do a deep copy of the data. This is due to \l{implicit sharing}.
+
+    QVector's value type must be an \l{assignable data type}. This
+    covers most data types that are commonly used, but the compiler
+    won't let you, for example, store a QWidget as a value; instead,
+    store a QWidget *. A few functions have additional requirements;
+    for example, indexOf() and lastIndexOf() expect the value type to
+    support \c operator==().  These requirements are documented on a
+    per-function basis.
+
+    Like the other container classes, QVector provides \l{Java-style
+    iterators} (QVectorIterator and QMutableVectorIterator) and
+    \l{STL-style iterators} (QVector::const_iterator and
+    QVector::iterator). In practice, these are rarely used, because
+    you can use indexes into the QVector.
+
+    In addition to QVector, Qt also provides QVarLengthArray, a very
+    low-level class with little functionality that is optimized for
+    speed.
+
+    QVector does \e not support inserting, prepending, appending or replacing
+    with references to its own values. Doing so will cause your application to
+    abort with an error message.
+
+    \sa QVectorIterator, QMutableVectorIterator, QList, QLinkedList
+*/
+
+/*!
+    \fn QVector<T> QVector::mid(int pos, int length = -1) const
+
+    Returns a vector whose elements are copied from this vector,
+    starting at position \a pos. If \a length is -1 (the default), all
+    elements after \a pos are copied; otherwise \a length elements (or
+    all remaining elements if there are less than \a length elements)
+    are copied.
+*/
+
+
+/*! \fn QVector::QVector()
+
+    Constructs an empty vector.
+
+    \sa resize()
+*/
+
+/*! \fn QVector::QVector(int size)
+
+    Constructs a vector with an initial size of \a size elements.
+
+    The elements are initialized with a \l{default-constructed
+    value}.
+
+    \sa resize()
+*/
+
+/*! \fn QVector::QVector(int size, const T &value)
+
+    Constructs a vector with an initial size of \a size elements.
+    Each element is initialized with \a value.
+
+    \sa resize(), fill()
+*/
+
+/*! \fn QVector::QVector(const QVector<T> &other)
+
+    Constructs a copy of \a other.
+
+    This operation takes \l{constant time}, because QVector is
+    \l{implicitly shared}. This makes returning a QVector from a
+    function very fast. If a shared instance is modified, it will be
+    copied (copy-on-write), and that takes \l{linear time}.
+
+    \sa operator=()
+*/
+
+/*! \fn QVector::~QVector()
+
+    Destroys the vector.
+*/
+
+/*! \fn QVector<T> &QVector::operator=(const QVector<T> &other)
+
+    Assigns \a other to this vector and returns a reference to this
+    vector.
+*/
+
+/*! \fn bool QVector::operator==(const QVector<T> &other) const
+
+    Returns true if \a other is equal to this vector; otherwise
+    returns false.
+
+    Two vectors are considered equal if they contain the same values
+    in the same order.
+
+    This function requires the value type to have an implementation
+    of \c operator==().
+
+    \sa operator!=()
+*/
+
+/*! \fn bool QVector::operator!=(const QVector<T> &other) const
+
+    Returns true if \a other is not equal to this vector; otherwise
+    returns false.
+
+    Two vectors are considered equal if they contain the same values
+    in the same order.
+
+    This function requires the value type to have an implementation
+    of \c operator==().
+
+    \sa operator==()
+*/
+
+/*! \fn int QVector::size() const
+
+    Returns the number of items in the vector.
+
+    \sa isEmpty(), resize()
+*/
+
+/*! \fn bool QVector::isEmpty() const
+
+    Returns true if the vector has size 0; otherwise returns false.
+
+    \sa size(), resize()
+*/
+
+/*! \fn void QVector::resize(int size)
+
+    Sets the size of the vector to \a size. If \a size is greater than the
+    current size, elements are added to the end; the new elements are
+    initialized with a \l{default-constructed value}. If \a size is less
+    than the current size, elements are removed from the end.
+
+    \sa size()
+*/
+
+/*! \fn int QVector::capacity() const
+
+    Returns the maximum number of items that can be stored in the
+    vector without forcing a reallocation.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QVector's memory usage. In general, you will rarely ever
+    need to call this function. If you want to know how many items are
+    in the vector, call size().
+
+    \sa reserve(), squeeze()
+*/
+
+/*! \fn void QVector::reserve(int size)
+
+    Attempts to allocate memory for at least \a size elements. If you
+    know in advance how large the vector will be, you can call this
+    function, and if you call resize() often you are likely to get
+    better performance. If \a size is an underestimate, the worst
+    that will happen is that the QVector will be a bit slower.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QVector's memory usage. In general, you will rarely ever
+    need to call this function. If you want to change the size of the
+    vector, call resize().
+
+    \sa squeeze(), capacity()
+*/
+
+/*! \fn void QVector::squeeze()
+
+    Releases any memory not required to store the items.
+
+    The sole purpose of this function is to provide a means of fine
+    tuning QVector's memory usage. In general, you will rarely ever
+    need to call this function.
+
+    \sa reserve(), capacity()
+*/
+
+/*! \fn void QVector::detach()
+
+    \internal
+*/
+
+/*! \fn bool QVector::isDetached() const
+
+    \internal
+*/
+
+/*! \fn void QVector::setSharable(bool sharable)
+
+    \internal
+*/
+
+/*! \fn T *QVector::data()
+
+    Returns a pointer to the data stored in the vector. The pointer
+    can be used to access and modify the items in the vector.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 6
+
+    The pointer remains valid as long as the vector isn't
+    reallocated.
+
+    This function is mostly useful to pass a vector to a function
+    that accepts a plain C++ array.
+
+    \sa constData(), operator[]()
+*/
+
+/*! \fn const T *QVector::data() const
+
+    \overload
+*/
+
+/*! \fn const T *QVector::constData() const
+
+    Returns a const pointer to the data stored in the vector. The
+    pointer can be used to access the items in the vector.
+    The pointer remains valid as long as the vector isn't
+    reallocated.
+
+    This function is mostly useful to pass a vector to a function
+    that accepts a plain C++ array.
+
+    \sa data(), operator[]()
+*/
+
+/*! \fn void QVector::clear()
+
+    Removes all the elements from the vector and releases the memory used by
+    the vector.
+*/
+
+/*! \fn const T &QVector::at(int i) const
+
+    Returns the item at index position \a i in the vector.
+
+    \a i must be a valid index position in the vector (i.e., 0 <= \a
+    i < size()).
+
+    \sa value(), operator[]()
+*/
+
+/*! \fn T &QVector::operator[](int i)
+
+    Returns the item at index position \a i as a modifiable reference.
+
+    \a i must be a valid index position in the vector (i.e., 0 <= \a i
+    < size()).
+
+    Note that using non-const operators can cause QVector to do a deep
+    copy.
+
+    \sa at(), value()
+*/
+
+/*! \fn const T &QVector::operator[](int i) const
+
+    \overload
+
+    Same as at(\a i).
+*/
+
+/*! 
+    \fn void QVector::append(const T &value)
+
+    Inserts \a value at the end of the vector.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 7
+
+    This is the same as calling resize(size() + 1) and assigning \a
+    value to the new last element in the vector.
+
+    This operation is relatively fast, because QVector typically
+    allocates more memory than necessary, so it can grow without
+    reallocating the entire vector each time.
+
+    \sa operator<<(), prepend(), insert()
+*/
+
+/*! \fn void QVector::prepend(const T &value)
+
+    Inserts \a value at the beginning of the vector.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 8
+
+    This is the same as vector.insert(0, \a value).
+
+    For large vectors, this operation can be slow (\l{linear time}),
+    because it requires moving all the items in the vector by one
+    position further in memory. If you want a container class that
+    provides a fast prepend() function, use QList or QLinkedList
+    instead.
+
+    \sa append(), insert()
+*/
+
+/*! \fn void QVector::insert(int i, const T &value)
+
+    Inserts \a value at index position \a i in the vector. If \a i is
+    0, the value is prepended to the vector. If \a i is size(), the
+    value is appended to the vector.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 9
+
+    For large vectors, this operation can be slow (\l{linear time}),
+    because it requires moving all the items at indexes \a i and
+    above by one position further in memory. If you want a container
+    class that provides a fast insert() function, use QLinkedList
+    instead.
+
+    \sa append(), prepend(), remove()
+*/
+
+/*! \fn void QVector::insert(int i, int count, const T &value)
+
+    \overload
+
+    Inserts \a count copies of \a value at index position \a i in the
+    vector.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 10
+*/
+
+/*! \fn QVector::iterator QVector::insert(iterator before, const T &value)
+
+    \overload
+
+    Inserts \a value in front of the item pointed to by the iterator
+    \a before. Returns an iterator pointing at the inserted item.
+*/
+
+/*! \fn QVector::iterator QVector::insert(iterator before, int count, const T &value)
+
+    Inserts \a count copies of \a value in front of the item pointed to
+    by the iterator \a before. Returns an iterator pointing at the
+    first of the inserted items.
+*/
+
+/*! \fn void QVector::replace(int i, const T &value)
+
+    Replaces the item at index position \a i with \a value.
+
+    \a i must be a valid index position in the vector (i.e., 0 <= \a
+    i < size()).
+
+    \sa operator[](), remove()
+*/
+
+/*! \fn void QVector::remove(int i)
+
+    \overload
+
+    Removes the element at index position \a i.
+
+    \sa insert(), replace(), fill()
+*/
+
+/*! \fn void QVector::remove(int i, int count)
+
+    \overload
+
+    Removes \a count elements from the middle of the vector, starting at
+    index position \a i.
+
+    \sa insert(), replace(), fill()
+*/
+
+/*! \fn QVector &QVector::fill(const T &value, int size = -1)
+
+    Assigns \a value to all items in the vector. If \a size is
+    different from -1 (the default), the vector is resized to size \a
+    size beforehand.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 11
+
+    \sa resize()
+*/
+
+/*! \fn int QVector::indexOf(const T &value, int from = 0) const
+
+    Returns the index position of the first occurrence of \a value in
+    the vector, searching forward from index position \a from.
+    Returns -1 if no item matched.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 12
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa lastIndexOf(), contains()
+*/
+
+/*! \fn int QVector::lastIndexOf(const T &value, int from = -1) const
+
+    Returns the index position of the last occurrence of the value \a
+    value in the vector, searching backward from index position \a
+    from. If \a from is -1 (the default), the search starts at the
+    last item. Returns -1 if no item matched.
+
+    Example:
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 13
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa indexOf()
+*/
+
+/*! \fn bool QVector::contains(const T &value) const
+
+    Returns true if the vector contains an occurrence of \a value;
+    otherwise returns false.
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa indexOf(), count()
+*/
+
+/*! \fn bool QVector::startsWith(const T &value) const
+    \since 4.5
+
+    Returns true if this vector is not empty and its first
+    item is equal to \a value; otherwise returns false.
+
+    \sa isEmpty(), first()
+*/
+
+/*! \fn bool QVector::endsWith(const T &value) const
+    \since 4.5
+
+    Returns true if this vector is not empty and its last
+    item is equal to \a value; otherwise returns false.
+
+    \sa isEmpty(), last()
+*/
+
+
+/*! \fn int QVector::count(const T &value) const
+
+    Returns the number of occurrences of \a value in the vector.
+
+    This function requires the value type to have an implementation of
+    \c operator==().
+
+    \sa contains(), indexOf()
+*/
+
+/*! \fn int QVector::count() const
+
+    \overload
+
+    Same as size().
+*/
+
+/*! \fn QVector::iterator QVector::begin()
+
+    Returns an \l{STL-style iterator} pointing to the first item in
+    the vector.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QVector::const_iterator QVector::begin() const
+
+    \overload
+*/
+
+/*! \fn QVector::const_iterator QVector::constBegin() const
+
+    Returns a const \l{STL-style iterator} pointing to the first item
+    in the vector.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QVector::iterator QVector::end()
+
+    Returns an \l{STL-style iterator} pointing to the imaginary item
+    after the last item in the vector.
+
+    \sa begin(), constEnd()
+*/
+
+/*! \fn QVector::const_iterator QVector::end() const
+
+    \overload
+*/
+
+/*! \fn QVector::const_iterator QVector::constEnd() const
+
+    Returns a const \l{STL-style iterator} pointing to the imaginary
+    item after the last item in the vector.
+
+    \sa constBegin(), end()
+*/
+
+/*! \fn QVector::iterator QVector::erase(iterator pos)
+
+    Removes the item pointed to by the iterator \a pos from the
+    vector, and returns an iterator to the next item in the vector
+    (which may be end()).
+
+    \sa insert(), remove()
+*/
+
+/*! \fn QVector::iterator QVector::erase(iterator begin, iterator end)
+
+    \overload
+
+    Removes all the items from \a begin up to (but not including) \a
+    end. Returns an iterator to the same item that \a end referred to
+    before the call.
+*/
+
+/*! \fn T& QVector::first()
+
+    Returns a reference to the first item in the vector. This
+    function assumes that the vector isn't empty.
+
+    \sa last(), isEmpty()
+*/
+
+/*! \fn const T& QVector::first() const
+
+    \overload
+*/
+
+/*! \fn T& QVector::last()
+
+    Returns a reference to the last item in the vector. This function
+    assumes that the vector isn't empty.
+
+    \sa first(), isEmpty()
+*/
+
+/*! \fn const T& QVector::last() const
+
+    \overload
+*/
+
+/*! \fn T QVector::value(int i) const
+
+    Returns the value at index position \a i in the vector.
+
+    If the index \a i is out of bounds, the function returns
+    a \l{default-constructed value}. If you are certain that
+    \a i is within bounds, you can use at() instead, which is slightly
+    faster.
+
+    \sa at(), operator[]()
+*/
+
+/*! \fn T QVector::value(int i, const T &defaultValue) const
+
+    \overload
+
+    If the index \a i is out of bounds, the function returns
+    \a defaultValue.
+*/
+
+/*! \fn void QVector::push_back(const T &value)
+
+    This function is provided for STL compatibility. It is equivalent
+    to append(\a value).
+*/
+
+/*! \fn void QVector::push_front(const T &value)
+
+    This function is provided for STL compatibility. It is equivalent
+    to prepend(\a value).
+*/
+
+/*! \fn void QVector::pop_front()
+
+    This function is provided for STL compatibility. It is equivalent
+    to erase(begin()).
+*/
+
+/*! \fn void QVector::pop_back()
+
+    This function is provided for STL compatibility. It is equivalent
+    to erase(end() - 1).
+*/
+
+/*! \fn T& QVector::front()
+
+    This function is provided for STL compatibility. It is equivalent
+    to first().
+*/
+
+/*! \fn QVector::const_reference QVector::front() const
+
+    \overload
+*/
+
+/*! \fn QVector::reference QVector::back()
+
+    This function is provided for STL compatibility. It is equivalent
+    to last().
+*/
+
+/*! \fn QVector::const_reference QVector::back() const
+
+    \overload
+*/
+
+/*! \fn bool QVector::empty() const
+
+    This function is provided for STL compatibility. It is equivalent
+    to isEmpty(), returning true if the vector is empty; otherwise
+    returns false.
+*/
+
+/*! \fn QVector<T> &QVector::operator+=(const QVector<T> &other)
+
+    Appends the items of the \a other vector to this vector and
+    returns a reference to this vector.
+
+    \sa operator+(), append()
+*/
+
+/*! \fn void QVector::operator+=(const T &value)
+
+    \overload
+
+    Appends \a value to the vector.
+
+    \sa append(), operator<<()
+*/
+
+/*! \fn QVector<T> QVector::operator+(const QVector<T> &other) const
+
+    Returns a vector that contains all the items in this vector
+    followed by all the items in the \a other vector.
+
+    \sa operator+=()
+*/
+
+/*! \fn QVector<T> &QVector::operator<<(const T &value)
+
+    Appends \a value to the vector and returns a reference to this
+    vector.
+
+    \sa append(), operator+=()
+*/
+
+/*! \fn QVector<T> &QVector::operator<<(const QVector<T> &other)
+
+    Appends \a other to the vector and returns a reference to the
+    vector.
+*/
+
+/*! \typedef QVector::iterator
+
+    The QVector::iterator typedef provides an STL-style non-const
+    iterator for QVector and QStack.
+
+    QVector provides both \l{STL-style iterators} and \l{Java-style
+    iterators}. The STL-style non-const iterator is simply a typedef
+    for "T *" (pointer to T).
+
+    \sa QVector::begin(), QVector::end(), QVector::const_iterator, QMutableVectorIterator
+*/
+
+/*! \typedef QVector::const_iterator
+
+    The QVector::const_iterator typedef provides an STL-style const
+    iterator for QVector and QStack.
+
+    QVector provides both \l{STL-style iterators} and \l{Java-style
+    iterators}. The STL-style const iterator is simply a typedef for
+    "const T *" (pointer to const T).
+
+    \sa QVector::constBegin(), QVector::constEnd(), QVector::iterator, QVectorIterator
+*/
+
+/*! \typedef QVector::Iterator
+
+    Qt-style synonym for QVector::iterator.
+*/
+
+/*! \typedef QVector::ConstIterator
+
+    Qt-style synonym for QVector::const_iterator.
+*/
+
+/*! \typedef QVector::const_pointer
+
+    Typedef for const T *. Provided for STL compatibility.
+*/
+
+/*! \typedef QVector::const_reference
+
+    Typedef for T &. Provided for STL compatibility.
+*/
+
+/*! \typedef QVector::difference_type
+
+    Typedef for ptrdiff_t. Provided for STL compatibility.
+*/
+
+/*! \typedef QVector::pointer
+
+    Typedef for T *. Provided for STL compatibility.
+*/
+
+/*! \typedef QVector::reference
+
+    Typedef for T &. Provided for STL compatibility.
+*/
+
+/*! \typedef QVector::size_type
+
+    Typedef for int. Provided for STL compatibility.
+*/
+
+/*! \typedef QVector::value_type
+
+    Typedef for T. Provided for STL compatibility.
+*/
+
+/*! \fn QList<T> QVector<T>::toList() const
+
+    Returns a QList object with the data contained in this QVector.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 14
+
+    \sa fromList(), QList::fromVector()
+*/
+
+/*! \fn QVector<T> QVector<T>::fromList(const QList<T> &list)
+
+    Returns a QVector object with the data contained in \a list.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 15
+
+    \sa toList(), QList::toVector()
+*/
+
+/*! \fn QVector<T> QVector<T>::fromStdVector(const std::vector<T> &vector)
+
+    Returns a QVector object with the data contained in \a vector. The
+    order of the elements in the QVector is the same as in \a vector.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 16
+
+    \sa toStdVector(), QList::fromStdList()
+*/
+
+/*! \fn std::vector<T> QVector<T>::toStdVector() const
+
+    Returns a std::vector object with the data contained in this QVector.
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_tools_qvector.cpp 17
+
+    \sa fromStdVector(), QList::toStdList()
+*/
+
+/*! \fn QDataStream &operator<<(QDataStream &out, const QVector<T> &vector)
+    \relates QVector
+
+    Writes the vector \a vector to stream \a out.
+
+    This function requires the value type to implement \c operator<<().
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+/*! \fn QDataStream &operator>>(QDataStream &in, QVector<T> &vector)
+    \relates QVector
+
+    Reads a vector from stream \a in into \a vector.
+
+    This function requires the value type to implement \c operator>>().
+
+    \sa \link datastreamformat.html Format of the QDataStream operators \endlink
+*/
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
new file mode 100644
index 0000000000..6bea03b936
--- /dev/null
+++ b/src/corelib/tools/qvector.h
@@ -0,0 +1,776 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QVECTOR_H
+#define QVECTOR_H
+
+#include <QtCore/qiterator.h>
+#include <QtCore/qatomic.h>
+#include <QtCore/qalgorithms.h>
+#include <QtCore/qlist.h>
+
+#ifndef QT_NO_STL
+#include <iterator>
+#include <vector>
+#endif
+#include <stdlib.h>
+#include <string.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+struct Q_CORE_EXPORT QVectorData
+{
+    QBasicAtomicInt ref;
+    int alloc;
+    int size;
+#if defined(QT_ARCH_SPARC) && defined(Q_CC_GNU) && defined(__LP64__) && defined(QT_BOOTSTRAPPED)
+    // workaround for bug in gcc 3.4.2
+    uint sharable;
+    uint capacity;
+#else
+    uint sharable : 1;
+    uint capacity : 1;
+#endif
+
+    static QVectorData shared_null;
+    // ### Qt 5: rename to 'allocate()'. The current name causes problems for
+    // some debugges when the QVector is member of a class within an unnamed namespace.
+    static QVectorData *malloc(int sizeofTypedData, int size, int sizeofT, QVectorData *init);
+    static int grow(int sizeofTypedData, int size, int sizeofT, bool excessive);
+};
+
+template <typename T>
+struct QVectorTypedData
+{
+    QBasicAtomicInt ref;
+    int alloc;
+    int size;
+#if defined(QT_ARCH_SPARC) && defined(Q_CC_GNU) && defined(__LP64__) && defined(QT_BOOTSTRAPPED)
+    // workaround for bug in gcc 3.4.2
+    uint sharable;
+    uint capacity;
+#else
+    uint sharable : 1;
+    uint capacity : 1;
+#endif
+    T array[1];
+};
+
+template <typename T>
+class QVector
+{
+    typedef QVectorTypedData<T> Data;
+    union { QVectorData *p; QVectorTypedData<T> *d; };
+
+public:
+    inline QVector() : p(&QVectorData::shared_null) { d->ref.ref(); }
+    explicit QVector(int size);
+    QVector(int size, const T &t);
+    inline QVector(const QVector<T> &v) : d(v.d) { d->ref.ref(); if (!d->sharable) detach_helper(); }
+    inline ~QVector() { if (!d) return; if (!d->ref.deref()) free(d); }
+    QVector<T> &operator=(const QVector<T> &v);
+    bool operator==(const QVector<T> &v) const;
+    inline bool operator!=(const QVector<T> &v) const { return !(*this == v); }
+
+    inline int size() const { return d->size; }
+
+    inline bool isEmpty() const { return d->size == 0; }
+
+    void resize(int size);
+
+    inline int capacity() const { return d->alloc; }
+    void reserve(int size);
+    inline void squeeze() { realloc(d->size, d->size); d->capacity = 0; }
+
+    inline void detach() { if (d->ref != 1) detach_helper(); }
+    inline bool isDetached() const { return d->ref == 1; }
+    inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
+
+    inline T *data() { detach(); return d->array; }
+    inline const T *data() const { return d->array; }
+    inline const T *constData() const { return d->array; }
+    void clear();
+
+    const T &at(int i) const;
+    T &operator[](int i);
+    const T &operator[](int i) const;
+    void append(const T &t);
+    void prepend(const T &t);
+    void insert(int i, const T &t);
+    void insert(int i, int n, const T &t);
+    void replace(int i, const T &t);
+    void remove(int i);
+    void remove(int i, int n);
+
+    QVector<T> &fill(const T &t, int size = -1);
+
+    int indexOf(const T &t, int from = 0) const;
+    int lastIndexOf(const T &t, int from = -1) const;
+    bool contains(const T &t) const;
+    int count(const T &t) const;
+
+#ifdef QT_STRICT_ITERATORS
+    class iterator {
+    public:
+        T *i;
+        typedef std::random_access_iterator_tag  iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef T *pointer;
+        typedef T &reference;
+
+        inline iterator() : i(0) {}
+        inline iterator(T *n) : i(n) {}
+        inline iterator(const iterator &o): i(o.i){}
+        inline T &operator*() const { return *i; }
+        inline T *operator->() const { return i; }
+        inline T &operator[](int j) const { return *(i + j); }
+        inline bool operator==(const iterator &o) const { return i == o.i; }
+        inline bool operator!=(const iterator &o) const { return i != o.i; }
+        inline bool operator<(const iterator& other) const { return i < other.i; }
+        inline bool operator<=(const iterator& other) const { return i <= other.i; }
+        inline bool operator>(const iterator& other) const { return i > other.i; }
+        inline bool operator>=(const iterator& other) const { return i >= other.i; }
+        inline iterator &operator++() { ++i; return *this; }
+        inline iterator operator++(int) { T *n = i; ++i; return n; }
+        inline iterator &operator--() { i--; return *this; }
+        inline iterator operator--(int) { T *n = i; i--; return n; }
+        inline iterator &operator+=(int j) { i+=j; return *this; }
+        inline iterator &operator-=(int j) { i-=j; return *this; }
+        inline iterator operator+(int j) const { return iterator(i+j); }
+        inline iterator operator-(int j) const { return iterator(i-j); }
+        inline int operator-(iterator j) const { return i - j.i; }
+    };
+    friend class iterator;
+
+    class const_iterator {
+    public:
+        T *i;
+        typedef std::random_access_iterator_tag  iterator_category;
+        typedef ptrdiff_t difference_type;
+        typedef T value_type;
+        typedef const T *pointer;
+        typedef const T &reference;
+
+        inline const_iterator() : i(0) {}
+        inline const_iterator(T *n) : i(n) {}
+        inline const_iterator(const const_iterator &o): i(o.i) {}
+        inline explicit const_iterator(const iterator &o): i(o.i) {}
+        inline const T &operator*() const { return *i; }
+        inline const T *operator->() const { return i; }
+        inline const T &operator[](int j) const { return *(i + j); }
+        inline bool operator==(const const_iterator &o) const { return i == o.i; }
+        inline bool operator!=(const const_iterator &o) const { return i != o.i; }
+        inline bool operator<(const const_iterator& other) const { return i < other.i; }
+        inline bool operator<=(const const_iterator& other) const { return i <= other.i; }
+        inline bool operator>(const const_iterator& other) const { return i > other.i; }
+        inline bool operator>=(const const_iterator& other) const { return i >= other.i; }
+        inline const_iterator &operator++() { ++i; return *this; }
+        inline const_iterator operator++(int) { T *n = i; ++i; return n; }
+        inline const_iterator &operator--() { i--; return *this; }
+        inline const_iterator operator--(int) { T *n = i; i--; return n; }
+        inline const_iterator &operator+=(int j) { i+=j; return *this; }
+        inline const_iterator &operator-=(int j) { i+=j; return *this; }
+        inline const_iterator operator+(int j) const { return const_iterator(i+j); }
+        inline const_iterator operator-(int j) const { return const_iterator(i-j); }
+        inline int operator-(const_iterator j) const { return i - j.i; }
+    };
+    friend class const_iterator;
+#else
+    // STL-style
+    typedef T* iterator;
+    typedef const T* const_iterator;
+#endif
+    inline iterator begin() { detach(); return d->array; }
+    inline const_iterator begin() const { return d->array; }
+    inline const_iterator constBegin() const { return d->array; }
+    inline iterator end() { detach(); return d->array + d->size; }
+    inline const_iterator end() const { return d->array + d->size; }
+    inline const_iterator constEnd() const { return d->array + d->size; }
+    iterator insert(iterator before, int n, const T &x);
+    inline iterator insert(iterator before, const T &x) { return insert(before, 1, x); }
+    iterator erase(iterator begin, iterator end);
+    inline iterator erase(iterator pos) { return erase(pos, pos+1); }
+
+    // more Qt
+    inline int count() const { return d->size; }
+    inline T& first() { Q_ASSERT(!isEmpty()); return *begin(); }
+    inline const T &first() const { Q_ASSERT(!isEmpty()); return *begin(); }
+    inline T& last() { Q_ASSERT(!isEmpty()); return *(end()-1); }
+    inline const T &last() const { Q_ASSERT(!isEmpty()); return *(end()-1); }
+    inline bool startsWith(const T &t) const { return !isEmpty() && first() == t; }
+    inline bool endsWith(const T &t) const { return !isEmpty() && last() == t; }
+    QVector<T> mid(int pos, int length = -1) const;
+
+    T value(int i) const;
+    T value(int i, const T &defaultValue) const;
+
+    // STL compatibility
+    typedef T value_type;
+    typedef value_type* pointer;
+    typedef const value_type* const_pointer;
+    typedef value_type& reference;
+    typedef const value_type& const_reference;
+#ifndef QT_NO_STL
+    typedef ptrdiff_t difference_type;
+#else
+    typedef int difference_type;
+#endif
+    typedef iterator Iterator;
+    typedef const_iterator ConstIterator;
+    typedef int size_type;
+    inline void push_back(const T &t) { append(t); }
+    inline void push_front(const T &t) { prepend(t); }
+    void pop_back() { Q_ASSERT(!isEmpty()); erase(end()-1); }
+    void pop_front() { Q_ASSERT(!isEmpty()); erase(begin()); }
+    inline bool empty() const
+    { return d->size == 0; }
+    inline T& front() { return first(); }
+    inline const_reference front() const { return first(); }
+    inline reference back() { return last(); }
+    inline const_reference back() const { return last(); }
+
+    // comfort
+    QVector<T> &operator+=(const QVector<T> &l);
+    inline QVector<T> operator+(const QVector<T> &l) const
+    { QVector n = *this; n += l; return n; }
+    inline QVector<T> &operator+=(const T &t)
+    { append(t); return *this; }
+    inline QVector<T> &operator<< (const T &t)
+    { append(t); return *this; }
+    inline QVector<T> &operator<<(const QVector<T> &l)
+    { *this += l; return *this; }
+
+    QList<T> toList() const;
+
+    static QVector<T> fromList(const QList<T> &list);
+
+#ifndef QT_NO_STL
+    static inline QVector<T> fromStdVector(const std::vector<T> &vector)
+    { QVector<T> tmp; qCopy(vector.begin(), vector.end(), std::back_inserter(tmp)); return tmp; }
+    inline std::vector<T> toStdVector() const
+    { std::vector<T> tmp; qCopy(constBegin(), constEnd(), std::back_inserter(tmp)); return tmp; }
+#endif
+
+private:
+    friend class QRegion; // Optimization for QRegion::rects()
+
+    void detach_helper();
+    QVectorData *malloc(int alloc);
+    void realloc(int size, int alloc);
+    void free(Data *d);
+    int sizeOfTypedData() {
+        // this is more or less the same as sizeof(Data), except that it doesn't
+        // count the padding at the end
+        return reinterpret_cast<const char *>(&(reinterpret_cast<const Data *>(this))->array[1]) - reinterpret_cast<const char *>(this);
+    }
+};
+
+template <typename T>
+void QVector<T>::detach_helper()
+{ realloc(d->size, d->alloc); }
+template <typename T>
+void QVector<T>::reserve(int asize)
+{ if (asize > d->alloc) realloc(d->size, asize); d->capacity = 1; }
+template <typename T>
+void QVector<T>::resize(int asize)
+{ realloc(asize, (asize > d->alloc || (!d->capacity && asize < d->size && asize < (d->alloc >> 1))) ?
+          QVectorData::grow(sizeOfTypedData(), asize, sizeof(T), QTypeInfo<T>::isStatic)
+          : d->alloc); }
+template <typename T>
+inline void QVector<T>::clear()
+{ *this = QVector<T>(); }
+template <typename T>
+inline const T &QVector<T>::at(int i) const
+{ Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::at", "index out of range");
+  return d->array[i]; }
+template <typename T>
+inline const T &QVector<T>::operator[](int i) const
+{ Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::operator[]", "index out of range");
+  return d->array[i]; }
+template <typename T>
+inline T &QVector<T>::operator[](int i)
+{ Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::operator[]", "index out of range");
+  return data()[i]; }
+template <typename T>
+inline void QVector<T>::insert(int i, const T &t)
+{ Q_ASSERT_X(i >= 0 && i <= d->size, "QVector<T>::insert", "index out of range");
+  insert(begin() + i, 1, t); }
+template <typename T>
+inline void QVector<T>::insert(int i, int n, const T &t)
+{ Q_ASSERT_X(i >= 0 && i <= d->size, "QVector<T>::insert", "index out of range");
+  insert(begin() + i, n, t); }
+template <typename T>
+inline void QVector<T>::remove(int i, int n)
+{ Q_ASSERT_X(i >= 0 && n >= 0 && i + n <= d->size, "QVector<T>::remove", "index out of range");
+  erase(begin() + i, begin() + i + n); }
+template <typename T>
+inline void QVector<T>::remove(int i)
+{ Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::remove", "index out of range");
+  erase(begin() + i, begin() + i + 1); }
+template <typename T>
+inline void QVector<T>::prepend(const T &t)
+{ insert(begin(), 1, t); }
+
+template <typename T>
+inline void QVector<T>::replace(int i, const T &t)
+{
+    Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::replace", "index out of range");
+    const T copy(t);
+    data()[i] = copy;
+}
+
+template <typename T>
+QVector<T> &QVector<T>::operator=(const QVector<T> &v)
+{
+    v.d->ref.ref();
+    if (!d->ref.deref())
+        free(d);
+    d = v.d;
+    if (!d->sharable)
+        detach_helper();
+    return *this;
+}
+
+template <typename T>
+inline QVectorData *QVector<T>::malloc(int aalloc)
+{
+    return static_cast<QVectorData *>(qMalloc(sizeOfTypedData() + (aalloc - 1) * sizeof(T)));
+}
+
+template <typename T>
+QVector<T>::QVector(int asize)
+{
+    p = malloc(asize);
+    d->ref = 1;
+    d->alloc = d->size = asize;
+    d->sharable = true;
+    d->capacity = false;
+    if (QTypeInfo<T>::isComplex) {
+        T* b = d->array;
+        T* i = d->array + d->size;
+        while (i != b)
+            new (--i) T;
+    } else {
+        qMemSet(d->array, 0, asize * sizeof(T));
+    }
+}
+
+template <typename T>
+QVector<T>::QVector(int asize, const T &t)
+{
+    p = malloc(asize);
+    d->ref = 1;
+    d->alloc = d->size = asize;
+    d->sharable = true;
+    d->capacity = false;
+    T* i = d->array + d->size;
+    while (i != d->array)
+        new (--i) T(t);
+}
+
+template <typename T>
+void QVector<T>::free(Data *x)
+{
+    if (QTypeInfo<T>::isComplex) {
+        T* b = x->array;
+        T* i = b + x->size;
+        while (i-- != b)
+             i->~T();
+    }
+    qFree(x);
+}
+
+template <typename T>
+void QVector<T>::realloc(int asize, int aalloc)
+{
+    T *j, *i, *b;
+    union { QVectorData *p; Data *d; } x;
+    x.d = d;
+
+    if (QTypeInfo<T>::isComplex && aalloc == d->alloc && d->ref == 1) {
+        // pure resize
+        i = d->array + d->size;
+        j = d->array + asize;
+        if (i > j) {
+            while (i-- != j)
+                i->~T();
+        } else {
+            while (j-- != i)
+                new (j) T;
+        }
+        d->size = asize;
+        return;
+    }
+
+    if (aalloc != d->alloc || d->ref != 1) {
+        // (re)allocate memory
+        if (QTypeInfo<T>::isStatic) {
+            x.p = malloc(aalloc);
+        } else if (d->ref != 1) {
+            x.p = QVectorData::malloc(sizeOfTypedData(), aalloc, sizeof(T), p);
+        } else {
+            if (QTypeInfo<T>::isComplex) {
+                // call the destructor on all objects that need to be
+                // destroyed when shrinking
+                if (asize < d->size) {
+                    j = d->array + asize;
+                    i = d->array + d->size;
+                    while (i-- != j)
+                        i->~T();
+                    i = d->array + asize;
+                }
+            }
+            x.p = p = static_cast<QVectorData *>(qRealloc(p, sizeOfTypedData() + (aalloc - 1) * sizeof(T)));
+        }
+        x.d->ref = 1;
+        x.d->sharable = true;
+        x.d->capacity = d->capacity;
+
+    }
+    if (QTypeInfo<T>::isComplex) {
+        if (asize < d->size) {
+            j = d->array + asize;
+            i = x.d->array + asize;
+        } else {
+            // construct all new objects when growing
+            i = x.d->array + asize;
+            j = x.d->array + d->size;
+            while (i != j)
+                new (--i) T;
+            j = d->array + d->size;
+        }
+        if (i != j) {
+            // copy objects from the old array into the new array
+            b = x.d->array;
+            while (i != b)
+                new (--i) T(*--j);
+        }
+    } else if (asize > d->size) {
+        // initialize newly allocated memory to 0
+        qMemSet(x.d->array + d->size, 0, (asize - d->size) * sizeof(T));
+    }
+    x.d->size = asize;
+    x.d->alloc = aalloc;
+    if (d != x.d) {
+        if (!d->ref.deref())
+            free(d);
+        d = x.d;
+    }
+}
+
+template<typename T>
+Q_OUTOFLINE_TEMPLATE T QVector<T>::value(int i) const
+{
+    if (i < 0 || i >= p->size) {
+        return T();
+    }
+    return d->array[i];
+}
+template<typename T>
+Q_OUTOFLINE_TEMPLATE T QVector<T>::value(int i, const T &defaultValue) const
+{
+    return ((i < 0 || i >= p->size) ? defaultValue : d->array[i]);
+}
+
+template <typename T>
+void QVector<T>::append(const T &t)
+{
+    if (d->ref != 1 || d->size + 1 > d->alloc) {
+        const T copy(t);
+        realloc(d->size, QVectorData::grow(sizeOfTypedData(), d->size + 1, sizeof(T),
+                                           QTypeInfo<T>::isStatic));
+        if (QTypeInfo<T>::isComplex)
+            new (d->array + d->size) T(copy);
+        else
+            d->array[d->size] = copy;
+    } else {
+        if (QTypeInfo<T>::isComplex)
+            new (d->array + d->size) T(t);
+        else
+            d->array[d->size] = t;
+    }
+    ++d->size;
+}
+
+template <typename T>
+Q_TYPENAME QVector<T>::iterator QVector<T>::insert(iterator before, size_type n, const T &t)
+{
+    int offset = before - d->array;
+    if (n != 0) {
+        const T copy(t);
+        if (d->ref != 1 || d->size + n > d->alloc)
+            realloc(d->size, QVectorData::grow(sizeOfTypedData(), d->size + n, sizeof(T),
+                                               QTypeInfo<T>::isStatic));
+        if (QTypeInfo<T>::isStatic) {
+            T *b = d->array + d->size;
+            T *i = d->array + d->size + n;
+            while (i != b)
+                new (--i) T;
+            i = d->array + d->size;
+            T *j = i + n;
+            b = d->array + offset;
+            while (i != b)
+                *--j = *--i;
+            i = b+n;
+            while (i != b)
+                *--i = copy;
+        } else {
+            T *b = d->array + offset;
+            T *i = b + n;
+            memmove(i, b, (d->size - offset) * sizeof(T));
+            while (i != b)
+                new (--i) T(copy);
+        }
+        d->size += n;
+    }
+    return d->array + offset;
+}
+
+template <typename T>
+Q_TYPENAME QVector<T>::iterator QVector<T>::erase(iterator abegin, iterator aend)
+{
+    int f = abegin - d->array;
+    int l = aend - d->array;
+    int n = l - f;
+    detach();
+    if (QTypeInfo<T>::isComplex) {
+        qCopy(d->array+l, d->array+d->size, d->array+f);
+        T *i = d->array+d->size;
+        T* b = d->array+d->size-n;
+        while (i != b) {
+            --i;
+            i->~T();
+        }
+    } else {
+        memmove(d->array + f, d->array + l, (d->size-l)*sizeof(T));
+    }
+    d->size -= n;
+    return d->array + f;
+}
+
+template <typename T>
+bool QVector<T>::operator==(const QVector<T> &v) const
+{
+    if (d->size != v.d->size)
+        return false;
+    if (d == v.d)
+        return true;
+    T* b = d->array;
+    T* i = b + d->size;
+    T* j = v.d->array + d->size;
+    while (i != b)
+        if (!(*--i == *--j))
+            return false;
+    return true;
+}
+
+template <typename T>
+QVector<T> &QVector<T>::fill(const T &from, int asize)
+{
+    const T copy(from);
+    resize(asize < 0 ? d->size : asize);
+    if (d->size) {
+        T *i = d->array + d->size;
+        T *b = d->array;
+        while (i != b)
+            *--i = copy;
+    }
+    return *this;
+}
+
+template <typename T>
+QVector<T> &QVector<T>::operator+=(const QVector &l)
+{
+    int newSize = d->size + l.d->size;
+    realloc(d->size, newSize);
+
+    T *w = d->array + newSize;
+    T *i = l.d->array + l.d->size;
+    T *b = l.d->array;
+    while (i != b) {
+        if (QTypeInfo<T>::isComplex)
+            new (--w) T(*--i);
+        else
+            *--w = *--i;
+    }
+    d->size = newSize;
+    return *this;
+}
+
+template <typename T>
+int QVector<T>::indexOf(const T &t, int from) const
+{
+    if (from < 0)
+        from = qMax(from + d->size, 0);
+    if (from < d->size) {
+        T* n = d->array + from - 1;
+        T* e = d->array + d->size;
+        while (++n != e)
+            if (*n == t)
+                return n - d->array;
+    }
+    return -1;
+}
+
+template <typename T>
+int QVector<T>::lastIndexOf(const T &t, int from) const
+{
+    if (from < 0)
+        from += d->size;
+    else if (from >= d->size)
+        from = d->size-1;
+    if (from >= 0) {
+        T* b = d->array;
+        T* n = d->array + from + 1;
+        while (n != b) {
+            if (*--n == t)
+                return n - b;
+        }
+    }
+    return -1;
+}
+
+template <typename T>
+bool QVector<T>::contains(const T &t) const
+{
+    T* b = d->array;
+    T* i = d->array + d->size;
+    while (i != b)
+        if (*--i == t)
+            return true;
+    return false;
+}
+
+template <typename T>
+int QVector<T>::count(const T &t) const
+{
+    int c = 0;
+    T* b = d->array;
+    T* i = d->array + d->size;
+    while (i != b)
+        if (*--i == t)
+            ++c;
+    return c;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE QVector<T> QVector<T>::mid(int pos, int length) const
+{
+    if (length < 0)
+        length = size() - pos;
+    if (pos == 0 && length == size())
+        return *this;
+    QVector<T> copy;
+    if (pos + length > size())
+        length = size() - pos;
+    for (int i = pos; i < pos + length; ++i)
+        copy += at(i);
+    return copy;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE QList<T> QVector<T>::toList() const
+{
+    QList<T> result;
+    for (int i = 0; i < size(); ++i)
+        result.append(at(i));
+    return result;
+}
+
+template <typename T>
+Q_OUTOFLINE_TEMPLATE QVector<T> QList<T>::toVector() const
+{
+    QVector<T> result(size());
+    for (int i = 0; i < size(); ++i)
+        result[i] = at(i);
+    return result;
+}
+
+template <typename T>
+QVector<T> QVector<T>::fromList(const QList<T> &list)
+{
+    return list.toVector();
+}
+
+template <typename T>
+QList<T> QList<T>::fromVector(const QVector<T> &vector)
+{
+    return vector.toList();
+}
+
+Q_DECLARE_SEQUENTIAL_ITERATOR(Vector)
+Q_DECLARE_MUTABLE_SEQUENTIAL_ITERATOR(Vector)
+
+/*
+   ### Qt 5:
+   ### This needs to be removed for next releases of Qt. It is a workaround for vc++ because
+   ### Qt exports QPolygon and QPolygonF that inherit QVector<QPoint> and
+   ### QVector<QPointF> respectively.
+*/
+
+#ifdef Q_CC_MSVC
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <QtCore/QPointF>
+#include <QtCore/QPoint>
+QT_END_INCLUDE_NAMESPACE
+
+#if defined(QT_BUILD_CORE_LIB)
+#define Q_TEMPLATE_EXTERN
+#else
+#define Q_TEMPLATE_EXTERN extern
+#endif
+# pragma warning(push)          /* MSVC 6.0 doesn't care about the disabling in qglobal.h (why?), so do it here */
+# pragma warning(disable: 4231) /* nonstandard extension used : 'extern' before template explicit instantiation */
+Q_TEMPLATE_EXTERN template class Q_CORE_EXPORT QVector<QPointF>;
+Q_TEMPLATE_EXTERN template class Q_CORE_EXPORT QVector<QPoint>;
+# pragma warning(pop)
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QVECTOR_H
diff --git a/src/corelib/tools/qvsnprintf.cpp b/src/corelib/tools/qvsnprintf.cpp
new file mode 100644
index 0000000000..31b8632801
--- /dev/null
+++ b/src/corelib/tools/qvsnprintf.cpp
@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include "qbytearray.h"
+#include "qstring.h"
+
+#include "string.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_VSNPRINTF
+
+/*!
+    \relates QByteArray
+
+    A portable \c vsnprintf() function. Will call \c ::vsnprintf(), \c
+    ::_vsnprintf(), or \c ::vsnprintf_s depending on the system, or
+    fall back to an internal version.
+
+    \a fmt is the \c printf() format string. The result is put into
+    \a str, which is a buffer of at least \a n bytes.
+
+    The caller is responsible to call \c va_end() on \a ap.
+
+    \warning Since vsnprintf() shows different behavior on certain
+    platforms, you should not rely on the return value or on the fact
+    that you will always get a 0 terminated string back.
+
+    Ideally, you should never call this function but use QString::sprintf()
+    instead.
+
+    \sa qsnprintf(), QString::sprintf()
+*/
+
+int qvsnprintf(char *str, size_t n, const char *fmt, va_list ap)
+{
+    if (!str || !fmt)
+        return -1;
+
+    QString buf;
+    buf.vsprintf(fmt, ap);
+
+    QByteArray ba = buf.toLocal8Bit();
+
+    if (n > 0) {
+        size_t blen = qMin(size_t(ba.length()), size_t(n - 1));
+        memcpy(str, ba.constData(), blen);
+        str[blen] = '\0'; // make sure str is always 0 terminated
+    }
+
+    return ba.length();
+}
+
+#else
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <stdio.h>
+QT_END_INCLUDE_NAMESPACE
+
+int qvsnprintf(char *str, size_t n, const char *fmt, va_list ap)
+{
+    return QT_VSNPRINTF(str, n, fmt, ap);
+}
+
+#endif
+
+/*!
+    \relates QByteArray
+
+    A portable snprintf() function, calls qvsnprintf.
+
+    \a fmt is the \c printf() format string. The result is put into
+    \a str, which is a buffer of at least \a n bytes.
+
+    \warning Call this function only when you know what you are doing
+    since it shows different behavior on certain platforms.
+    Use QString::sprintf() to format a string instead.
+
+    \sa qvsnprintf(), QString::sprintf()
+*/
+
+int qsnprintf(char *str, size_t n, const char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+
+    int ret = qvsnprintf(str, n, fmt, ap);
+    va_end(ap);
+
+    return ret;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/tools/tools.pri b/src/corelib/tools/tools.pri
new file mode 100644
index 0000000000..e5bf7e4a2f
--- /dev/null
+++ b/src/corelib/tools/tools.pri
@@ -0,0 +1,104 @@
+# Qt tools module
+
+HEADERS +=  \
+	tools/qalgorithms.h \
+	tools/qbitarray.h \
+	tools/qbytearray.h \
+	tools/qbytearraymatcher.h \
+	tools/qcache.h \
+	tools/qchar.h \
+	tools/qcontainerfwd.h \
+	tools/qcryptographichash.h \
+	tools/qdatetime.h \
+	tools/qdatetime_p.h \
+	tools/qhash.h \
+        tools/qline.h \
+	tools/qlinkedlist.h \
+	tools/qlist.h \
+	tools/qlocale.h \
+	tools/qlocale_p.h \
+	tools/qlocale_data_p.h \
+	tools/qmap.h \
+        tools/qpodlist_p.h \
+        tools/qpoint.h \
+	tools/qqueue.h \
+        tools/qrect.h \
+	tools/qregexp.h \
+	tools/qringbuffer_p.h \
+	tools/qshareddata.h \
+	tools/qset.h \
+        tools/qsize.h \
+	tools/qstack.h \
+	tools/qstring.h \
+	tools/qstringlist.h \
+	tools/qstringmatcher.h \
+	tools/qtextboundaryfinder.h \
+	tools/qtimeline.h \
+	tools/qunicodetables_p.h \
+	tools/qvarlengtharray.h \
+	tools/qvector.h
+
+
+SOURCES += \
+	tools/qbitarray.cpp \
+	tools/qbytearray.cpp \
+	tools/qbytearraymatcher.cpp \
+	tools/qcryptographichash.cpp \
+	tools/qdatetime.cpp \
+	tools/qdumper.cpp \
+	tools/qhash.cpp \
+        tools/qline.cpp \
+	tools/qlinkedlist.cpp \
+	tools/qlistdata.cpp \
+	tools/qlocale.cpp \
+        tools/qpoint.cpp \
+	tools/qmap.cpp \
+        tools/qrect.cpp \
+	tools/qregexp.cpp \
+	tools/qshareddata.cpp \
+	tools/qsharedpointer.cpp \
+        tools/qsize.cpp \
+	tools/qstring.cpp \
+	tools/qstringlist.cpp \
+	tools/qtextboundaryfinder.cpp \
+	tools/qtimeline.cpp \
+	tools/qvector.cpp \
+        tools/qvsnprintf.cpp
+
+
+#zlib support
+contains(QT_CONFIG, zlib) {
+   wince*: DEFINES += NO_ERRNO_H
+   INCLUDEPATH += ../3rdparty/zlib
+   SOURCES+= \
+	../3rdparty/zlib/adler32.c \
+	../3rdparty/zlib/compress.c \
+	../3rdparty/zlib/crc32.c \
+	../3rdparty/zlib/deflate.c \
+	../3rdparty/zlib/gzio.c \
+	../3rdparty/zlib/inffast.c \
+	../3rdparty/zlib/inflate.c \
+	../3rdparty/zlib/inftrees.c \
+	../3rdparty/zlib/trees.c \
+	../3rdparty/zlib/uncompr.c \
+	../3rdparty/zlib/zutil.c
+} else:!contains(QT_CONFIG, no-zlib) {
+   unix:LIBS += -lz
+#  win32:LIBS += libz.lib
+}
+
+DEFINES += HB_EXPORT=Q_CORE_EXPORT
+INCLUDEPATH += ../3rdparty/harfbuzz/src
+HEADERS += ../3rdparty/harfbuzz/src/harfbuzz.h
+SOURCES += ../3rdparty/harfbuzz/src/harfbuzz-buffer.c \
+           ../3rdparty/harfbuzz/src/harfbuzz-gdef.c \
+           ../3rdparty/harfbuzz/src/harfbuzz-gsub.c \
+           ../3rdparty/harfbuzz/src/harfbuzz-gpos.c \
+           ../3rdparty/harfbuzz/src/harfbuzz-impl.c \
+           ../3rdparty/harfbuzz/src/harfbuzz-open.c \
+           ../3rdparty/harfbuzz/src/harfbuzz-stream.c \
+           ../3rdparty/harfbuzz/src/harfbuzz-shaper-all.cpp \
+           tools/qharfbuzz.cpp
+HEADERS += tools/qharfbuzz_p.h
+
+!macx-icc:unix:LIBS += -lm
diff --git a/src/corelib/xml/.gitignore b/src/corelib/xml/.gitignore
new file mode 100644
index 0000000000..89f9ac04aa
--- /dev/null
+++ b/src/corelib/xml/.gitignore
@@ -0,0 +1 @@
+out/
diff --git a/src/corelib/xml/make-parser.sh b/src/corelib/xml/make-parser.sh
new file mode 100755
index 0000000000..0e2cbe1141
--- /dev/null
+++ b/src/corelib/xml/make-parser.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+me=$(dirname $0)
+mkdir -p $me/out
+(cd $me/out && ../../../../util/qlalr/qlalr --troll --no-debug --no-lines ../qxmlstream.g)
+
+for f in $me/out/*.h; do
+    n=$(basename $f)
+    cp $f $n
+done
+
+git diff .
+
diff --git a/src/corelib/xml/qxmlstream.cpp b/src/corelib/xml/qxmlstream.cpp
new file mode 100644
index 0000000000..ff1a01f0ce
--- /dev/null
+++ b/src/corelib/xml/qxmlstream.cpp
@@ -0,0 +1,3849 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "QtCore/qxmlstream.h"
+
+#if defined(QT_BUILD_XML_LIB) && defined(Q_OS_MAC64)
+// No need to define this in the 64-bit Mac libraries.
+// Since Qt 4.4 and previous weren't supported in 64-bit, there are
+// no QXmlStream* symbols to keep compatibility with
+# define QT_NO_XMLSTREAM
+#endif
+
+#ifndef QT_NO_XMLSTREAM
+
+#include "qxmlutils_p.h"
+#include <qdebug.h>
+#include <QFile>
+#include <stdio.h>
+#include <qtextcodec.h>
+#include <qstack.h>
+#include <qbuffer.h>
+#ifndef QT_BOOTSTRAPPED
+#include <QCoreApplication>
+#else
+// This specialization of Q_DECLARE_TR_FUNCTIONS is not in qcoreapplication.h,
+// because that header depends on QObject being available, which is not the
+// case for most bootstrapped applications.
+#define Q_DECLARE_TR_FUNCTIONS(context) \
+public: \
+    static inline QString tr(const char *sourceText, const char *comment = 0) \
+        { Q_UNUSED(comment); return QString::fromLatin1(sourceText); } \
+    static inline QString trUtf8(const char *sourceText, const char *comment = 0) \
+        { Q_UNUSED(comment); return QString::fromLatin1(sourceText); } \
+    static inline QString tr(const char *sourceText, const char*, int) \
+        { return QString::fromLatin1(sourceText); } \
+    static inline QString trUtf8(const char *sourceText, const char*, int) \
+        { return QString::fromLatin1(sourceText); } \
+private:
+#endif
+QT_BEGIN_NAMESPACE
+
+#include "qxmlstream_p.h"
+
+/*!
+    \enum QXmlStreamReader::TokenType
+
+    This enum specifies the type of token the reader just read.
+
+    \value NoToken The reader has not yet read anything.
+
+    \value Invalid An error has occurred, reported in error() and
+    errorString().
+
+    \value StartDocument The reader reports the XML version number in
+    documentVersion(), and the encoding as specified in the XML
+    document in documentEncoding().  If the document is declared
+    standalone, isStandaloneDocument() returns true; otherwise it
+    returns false.
+
+    \value EndDocument The reader reports the end of the document.
+
+    \value StartElement The reader reports the start of an element
+    with namespaceUri() and name(). Empty elements are also reported
+    as StartElement, followed directly by EndElement. The convenience
+    function readElementText() can be called to concatenate all
+    content until the corresponding EndElement. Attributes are
+    reported in attributes(), namespace declarations in
+    namespaceDeclarations().
+
+    \value EndElement The reader reports the end of an element with
+    namespaceUri() and name().
+
+    \value Characters The reader reports characters in text(). If the
+    characters are all white-space, isWhitespace() returns true. If
+    the characters stem from a CDATA section, isCDATA() returns true.
+
+    \value Comment The reader reports a comment in text().
+
+    \value DTD The reader reports a DTD in text(), notation
+    declarations in notationDeclarations(), and entity declarations in
+    entityDeclarations(). Details of the DTD declaration are reported
+    in in dtdName(), dtdPublicId(), and dtdSystemId().
+
+    \value EntityReference The reader reports an entity reference that
+    could not be resolved.  The name of the reference is reported in
+    name(), the replacement text in text().
+
+    \value ProcessingInstruction The reader reports a processing
+    instruction in processingInstructionTarget() and
+    processingInstructionData().
+*/
+
+/*!
+    \enum QXmlStreamReader::Error
+
+    This enum specifies different error cases
+
+    \value NoError No error has occurred.
+
+    \value CustomError A custom error has been raised with
+    raiseError()
+
+    \value NotWellFormedError The parser internally raised an error
+    due to the read XML not being well-formed.
+
+    \value PrematureEndOfDocumentError The input stream ended before a
+    well-formed XML document was parsed. Recovery from this error is
+    possible if more XML arrives in the stream, either by calling
+    addData() or by waiting for it to arrive on the device().
+
+    \value UnexpectedElementError The parser encountered an element
+    that was different to those it expected.
+
+*/
+
+/*!
+  \class QXmlStreamEntityResolver
+  \reentrant
+  \since 4.4
+
+  \brief The QXmlStreamEntityResolver class provides an entity
+  resolver for a QXmlStreamReader.
+
+  \ingroup xml-tools
+ */
+
+/*!
+  Destroys the entity resolver.
+ */
+QXmlStreamEntityResolver::~QXmlStreamEntityResolver()
+{
+}
+
+/*! \internal
+
+This function is a stub for later functionality.
+*/
+QString QXmlStreamEntityResolver::resolveEntity(const QString& /*publicId*/, const QString& /*systemId*/)
+{
+    return QString();
+}
+
+
+/*!
+  Resolves the undeclared entity \a name and returns its replacement
+  text. If the entity is also unknown to the entity resolver, it
+  returns an empty string.
+
+  The default implementation always returns an empty string.
+*/
+
+QString QXmlStreamEntityResolver::resolveUndeclaredEntity(const QString &/*name*/)
+{
+    return QString();
+}
+
+#ifndef QT_NO_XMLSTREAMREADER
+
+QString QXmlStreamReaderPrivate::resolveUndeclaredEntity(const QString &name)
+{
+    if (entityResolver)
+        return entityResolver->resolveUndeclaredEntity(name);
+    return QString();
+}
+
+
+
+/*!
+   \since 4.4
+
+   Makes \a resolver the new entityResolver().
+
+   The stream reader does \e not take ownership of the resolver. It's
+   the callers responsibility to ensure that the resolver is valid
+   during the entire life-time of the stream reader object, or until
+   another resolver or 0 is set.
+
+   \sa entityResolver()
+ */
+void QXmlStreamReader::setEntityResolver(QXmlStreamEntityResolver *resolver)
+{
+    Q_D(QXmlStreamReader);
+    d->entityResolver = resolver;
+}
+
+/*!
+  \since 4.4
+
+  Returns the entity resolver, or 0 if there is no entity resolver.
+
+  \sa setEntityResolver()
+ */
+QXmlStreamEntityResolver *QXmlStreamReader::entityResolver() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->entityResolver;
+}
+
+
+
+/*!
+  \class QXmlStreamReader
+  \reentrant
+  \since 4.3
+
+  \brief The QXmlStreamReader class provides a fast parser for reading
+  well-formed XML via a simple streaming API.
+
+  \mainclass
+  \ingroup xml-tools
+
+  QXmlStreamReader is a faster and more convenient replacement for
+  Qt's own SAX parser (see QXmlSimpleReader). In some cases it might
+  also be a faster and more convenient alternative for use in
+  applications that would otherwise use a DOM tree (see QDomDocument).
+  QXmlStreamReader reads data either from a QIODevice (see
+  setDevice()), or from a raw QByteArray (see addData()).
+
+  Qt provides QXmlStreamWriter for writing XML.
+
+  The basic concept of a stream reader is to report an XML document as
+  a stream of tokens, similar to SAX. The main difference between
+  QXmlStreamReader and SAX is \e how these XML tokens are reported.
+  With SAX, the application must provide handlers (callback functions)
+  that receive so-called XML \e events from the parser at the parser's
+  convenience.  With QXmlStreamReader, the application code itself
+  drives the loop and pulls \e tokens from the reader, one after
+  another, as it needs them. This is done by calling readNext(), where
+  the reader reads from the input stream until it completes the next
+  token, at which point it returns the tokenType(). A set of
+  convenient functions including isStartElement() and text() can then
+  be used to examine the token to obtain information about what has
+  been read. The big advantage of this \e pulling approach is the
+  possibility to build recursive descent parsers with it, meaning you
+  can split your XML parsing code easily into different methods or
+  classes. This makes it easy to keep track of the application's own
+  state when parsing XML.
+
+  A typical loop with QXmlStreamReader looks like this:
+
+  \snippet doc/src/snippets/code/src_corelib_xml_qxmlstream.cpp 0
+
+
+  QXmlStreamReader is a well-formed XML 1.0 parser that does \e not
+  include external parsed entities. As long as no error occurs, the
+  application code can thus be assured that the data provided by the
+  stream reader satisfies the W3C's criteria for well-formed XML. For
+  example, you can be certain that all tags are indeed nested and
+  closed properly, that references to internal entities have been
+  replaced with the correct replacement text, and that attributes have
+  been normalized or added according to the internal subset of the
+  DTD.
+
+  If an error occurs while parsing, atEnd() and hasError() return
+  true, and error() returns the error that occurred. The functions
+  errorString(), lineNumber(), columnNumber(), and characterOffset()
+  are for constructing an appropriate error or warning message. To
+  simplify application code, QXmlStreamReader contains a raiseError()
+  mechanism that lets you raise custom errors that trigger the same
+  error handling described.
+
+  The \l{QXmlStream Bookmarks Example} illustrates how to use the
+  recursive descent technique with a subclassed stream reader to read
+  an XML bookmark file (XBEL).
+
+  \section1 Namespaces
+
+  QXmlStream understands and resolves XML namespaces. E.g. in case of
+  a StartElement, namespaceUri() returns the namespace the element is
+  in, and name() returns the element's \e local name. The combination
+  of namespaceUri and name uniquely identifies an element. If a
+  namespace prefix was not declared in the XML entities parsed by the
+  reader, the namespaceUri is empty.
+
+  If you parse XML data that does not utilize namespaces according to
+  the XML specification or doesn't use namespaces at all, you can use
+  the element's qualifiedName() instead. A qualified name is the
+  element's prefix() followed by colon followed by the element's local
+  name() - exactly like the element appears in the raw XML data. Since
+  the mapping namespaceUri to prefix is neither unique nor universal,
+  qualifiedName() should be avoided for namespace-compliant XML data.
+
+  In order to parse standalone documents that do use undeclared
+  namespace prefixes, you can turn off namespace processing completely
+  with the \l namespaceProcessing property.
+
+  \section1 Incremental parsing
+
+  QXmlStreamReader is an incremental parser. It can handle the case
+  where the document can't be parsed all at once because it arrives in
+  chunks (e.g. from multiple files, or over a network connection).
+  When the reader runs out of data before the complete document has
+  been parsed, it reports a PrematureEndOfDocumentError. When more
+  data arrives, either because of a call to addData() or because more
+  data is available through the network device(), the reader recovers
+  from the PrematureEndOfDocumentError error and continues parsing the
+  new data with the next call to readNext().
+
+  For example, if you read data from the network using QHttp, you
+  would connect its \l{QHttp::readyRead()}{readyRead()} signal to a
+  custom slot. In this slot, you read all available data with
+  \l{QHttp::readAll()}{readAll()} and pass it to the XML stream reader
+  using addData(). Then you call your custom parsing function that
+  reads the XML events from the reader.
+
+  \section1 Performance and memory consumption
+
+  QXmlStreamReader is memory-conservative by design, since it doesn't
+  store the entire XML document tree in memory, but only the current
+  token at the time it is reported. In addition, QXmlStreamReader
+  avoids the many small string allocations that it normally takes to
+  map an XML document to a convenient and Qt-ish API. It does this by
+  reporting all string data as QStringRef rather than real QString
+  objects. QStringRef is a thin wrapper around QString substrings that
+  provides a subset of the QString API without the memory allocation
+  and reference-counting overhead. Calling
+  \l{QStringRef::toString()}{toString()} on any of those objects
+  returns an equivalent real QString object.
+
+*/
+
+
+/*!
+  Constructs a stream reader.
+
+  \sa setDevice(), addData()
+ */
+QXmlStreamReader::QXmlStreamReader()
+    : d_ptr(new QXmlStreamReaderPrivate(this))
+{
+}
+
+/*!  Creates a new stream reader that reads from \a device.
+
+\sa setDevice(), clear()
+ */
+QXmlStreamReader::QXmlStreamReader(QIODevice *device)
+    : d_ptr(new QXmlStreamReaderPrivate(this))
+{
+    setDevice(device);
+}
+
+/*!
+  Creates a new stream reader that reads from \a data.
+
+  \sa addData(), clear(), setDevice()
+ */
+QXmlStreamReader::QXmlStreamReader(const QByteArray &data)
+    : d_ptr(new QXmlStreamReaderPrivate(this))
+{
+    Q_D(QXmlStreamReader);
+    d->dataBuffer = data;
+}
+
+/*!
+  Creates a new stream reader that reads from \a data.
+
+  \sa addData(), clear(), setDevice()
+ */
+QXmlStreamReader::QXmlStreamReader(const QString &data)
+    : d_ptr(new QXmlStreamReaderPrivate(this))
+{
+    Q_D(QXmlStreamReader);
+#ifdef QT_NO_TEXTCODEC
+    d->dataBuffer = data.toLatin1();
+#else
+    d->dataBuffer = d->codec->fromUnicode(data);
+    d->decoder = d->codec->makeDecoder();
+#endif
+    d->lockEncoding = true;
+
+}
+
+/*!
+  Creates a new stream reader that reads from \a data.
+
+  \sa addData(), clear(), setDevice()
+ */
+QXmlStreamReader::QXmlStreamReader(const char *data)
+    : d_ptr(new QXmlStreamReaderPrivate(this))
+{
+    Q_D(QXmlStreamReader);
+    d->dataBuffer = QByteArray(data);
+}
+
+/*!
+  Destructs the reader.
+ */
+QXmlStreamReader::~QXmlStreamReader()
+{
+    Q_D(QXmlStreamReader);
+    if (d->deleteDevice)
+        delete d->device;
+    delete d;
+}
+
+/*! \fn bool QXmlStreamReader::hasError() const
+    Returns \c true if an error has occurred, otherwise \c false.
+
+    \sa errorString(), error()
+ */
+
+/*!
+    Sets the current device to \a device. Setting the device resets
+    the stream to its initial state.
+
+    \sa device(), clear()
+*/
+void QXmlStreamReader::setDevice(QIODevice *device)
+{
+    Q_D(QXmlStreamReader);
+    if (d->deleteDevice) {
+        delete d->device;
+        d->deleteDevice = false;
+    }
+    d->device = device;
+    d->init();
+
+}
+
+/*!
+    Returns the current device associated with the QXmlStreamReader,
+    or 0 if no device has been assigned.
+
+    \sa setDevice()
+*/
+QIODevice *QXmlStreamReader::device() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->device;
+}
+
+
+/*!
+  Adds more \a data for the reader to read. This function does
+  nothing if the reader has a device().
+
+  \sa readNext(), clear()
+ */
+void QXmlStreamReader::addData(const QByteArray &data)
+{
+    Q_D(QXmlStreamReader);
+    if (d->device) {
+        qWarning("QXmlStreamReader: addData() with device()");
+        return;
+    }
+    d->dataBuffer += data;
+}
+
+/*!
+  Adds more \a data for the reader to read. This function does
+  nothing if the reader has a device().
+
+  \sa readNext(), clear()
+ */
+void QXmlStreamReader::addData(const QString &data)
+{
+    Q_D(QXmlStreamReader);
+    d->lockEncoding = true;
+#ifdef QT_NO_TEXTCODEC
+    addData(data.toLatin1());
+#else
+    addData(d->codec->fromUnicode(data));
+#endif
+}
+
+/*!
+  Adds more \a data for the reader to read. This function does
+  nothing if the reader has a device().
+
+  \sa readNext(), clear()
+ */
+void QXmlStreamReader::addData(const char *data)
+{
+    addData(QByteArray(data));
+}
+
+/*!
+    Removes any device() or data from the reader and resets its
+    internal state to the initial state.
+
+    \sa addData()
+ */
+void QXmlStreamReader::clear()
+{
+    Q_D(QXmlStreamReader);
+    d->init();
+    if (d->device) {
+        if (d->deleteDevice)
+            delete d->device;
+        d->device = 0;
+    }
+}
+
+/*!
+    Returns true if the reader has read until the end of the XML
+    document, or if an error() has occurred and reading has been
+    aborted. Otherwise, it returns false.
+
+    When atEnd() and hasError() return true and error() returns
+    PrematureEndOfDocumentError, it means the XML has been well-formed
+    so far, but a complete XML document has not been parsed. The next
+    chunk of XML can be added with addData(), if the XML is being read
+    from a QByteArray, or by waiting for more data to arrive if the
+    XML is being read from a QIODevice. Either way, atEnd() will
+    return false once more adata is available.
+
+    \sa hasError(), error(), device(), QIODevice::atEnd()
+ */
+bool QXmlStreamReader::atEnd() const
+{
+    Q_D(const QXmlStreamReader);
+    if (d->atEnd
+        && ((d->type == QXmlStreamReader::Invalid && d->error == PrematureEndOfDocumentError)
+            || (d->type == QXmlStreamReader::EndDocument))) {
+        if (d->device)
+            return d->device->atEnd();
+        else
+            return !d->dataBuffer.size();
+    }
+    return (d->atEnd || d->type == QXmlStreamReader::Invalid);
+}
+
+
+/*!
+  Reads the next token and returns its type.
+
+  With one exception, once an error() is reported by readNext(),
+  further reading of the XML stream is not possible. Then atEnd()
+  returns true, hasError() returns true, and this function returns
+  QXmlStreamReader::Invalid.
+
+  The exception is when error() return PrematureEndOfDocumentError.
+  This error is reported when the end of an otherwise well-formed
+  chunk of XML is reached, but the chunk doesn't represent a complete
+  XML document.  In that case, parsing \e can be resumed by calling
+  addData() to add the next chunk of XML, when the stream is being
+  read from a QByteArray, or by waiting for more data to arrive when
+  the stream is being read from a device().
+
+  \sa tokenType(), tokenString()
+ */
+QXmlStreamReader::TokenType QXmlStreamReader::readNext()
+{
+    Q_D(QXmlStreamReader);
+    if (d->type != Invalid) {
+        if (!d->hasCheckedStartDocument)
+            if (!d->checkStartDocument())
+                return d->type; // synthetic StartDocument or error
+        d->parse();
+        if (d->atEnd && d->type != EndDocument && d->type != Invalid)
+            d->raiseError(PrematureEndOfDocumentError);
+        else if (!d->atEnd && d->type == EndDocument)
+            d->raiseWellFormedError(QXmlStream::tr("Extra content at end of document."));
+    } else if (d->error == PrematureEndOfDocumentError) {
+        // resume error
+        d->type = NoToken;
+        d->atEnd = false;
+        d->token = -1;
+        return readNext();
+    }
+    return d->type;
+}
+
+
+/*!
+  Returns the type of the current token.
+
+  The current token can also be queried with the convenience functions
+  isStartDocument(), isEndDocument(), isStartElement(),
+  isEndElement(), isCharacters(), isComment(), isDTD(),
+  isEntityReference(), and isProcessingInstruction().
+
+  \sa tokenString()
+ */
+QXmlStreamReader::TokenType QXmlStreamReader::tokenType() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->type;
+}
+
+/*
+ * Use the following Perl script to generate the error string index list:
+===== PERL SCRIPT ====
+print "static const char QXmlStreamReader_tokenTypeString_string[] =\n";
+$counter = 0;
+$i = 0;
+while (<STDIN>) {
+    chomp;
+    print "    \"$_\\0\"\n";
+    $sizes[$i++] = $counter;
+    $counter += length 1 + $_;
+}
+print "    \"\\0\";\n\nstatic const int QXmlStreamReader_tokenTypeString_indices[] = {\n    ";
+for ($j = 0; $j < $i; ++$j) {
+    printf "$sizes[$j], ";
+}
+print "0\n};\n";
+===== PERL SCRIPT ====
+
+ * The input data is as follows (copied from qxmlstream.h):
+NoToken
+Invalid
+StartDocument
+EndDocument
+StartElement
+EndElement
+Characters
+Comment
+DTD
+EntityReference
+ProcessingInstruction
+*/
+static const char QXmlStreamReader_tokenTypeString_string[] =
+    "NoToken\0"
+    "Invalid\0"
+    "StartDocument\0"
+    "EndDocument\0"
+    "StartElement\0"
+    "EndElement\0"
+    "Characters\0"
+    "Comment\0"
+    "DTD\0"
+    "EntityReference\0"
+    "ProcessingInstruction\0"
+    "\0";
+
+static const int QXmlStreamReader_tokenTypeString_indices[] = {
+    0, 8, 16, 30, 42, 55, 66, 77, 85, 89, 105, 0
+};
+
+
+/*!
+    \property  QXmlStreamReader::namespaceProcessing
+    the namespace-processing flag of the stream reader
+
+    This property controls whether or not the stream reader processes
+    namespaces. If enabled, the reader processes namespaces, otherwise
+    it does not.
+
+    By default, namespace-processing is enabled.
+*/
+
+
+void QXmlStreamReader::setNamespaceProcessing(bool enable)
+{
+    Q_D(QXmlStreamReader);
+    d->namespaceProcessing = enable;
+}
+
+bool QXmlStreamReader::namespaceProcessing() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->namespaceProcessing;
+}
+
+/*! Returns the reader's current token as string.
+
+\sa tokenType()
+*/
+QString QXmlStreamReader::tokenString() const
+{
+    Q_D(const QXmlStreamReader);
+    return QLatin1String(QXmlStreamReader_tokenTypeString_string +
+                         QXmlStreamReader_tokenTypeString_indices[d->type]);
+}
+
+#endif // QT_NO_XMLSTREAMREADER
+
+QXmlStreamPrivateTagStack::QXmlStreamPrivateTagStack()
+{
+    tagStack.reserve(16);
+    tagStackStringStorage.reserve(32);
+    tagStackStringStorageSize = 0;
+    NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
+    namespaceDeclaration.prefix = addToStringStorage(QLatin1String("xml"));
+    namespaceDeclaration.namespaceUri = addToStringStorage(QLatin1String("http://www.w3.org/XML/1998/namespace"));
+}
+
+#ifndef QT_NO_XMLSTREAMREADER
+
+QXmlStreamReaderPrivate::QXmlStreamReaderPrivate(QXmlStreamReader *q)
+    :q_ptr(q)
+{
+    device = 0;
+    deleteDevice = false;
+#ifndef QT_NO_TEXTCODEC
+    decoder = 0;
+#endif
+    stack_size = 64;
+    sym_stack = 0;
+    state_stack = 0;
+    reallocateStack();
+    entityResolver = 0;
+    init();
+    entityHash.insert(QLatin1String("lt"), Entity::createLiteral(QLatin1String("<")));
+    entityHash.insert(QLatin1String("gt"), Entity::createLiteral(QLatin1String(">")));
+    entityHash.insert(QLatin1String("amp"), Entity::createLiteral(QLatin1String("&")));
+    entityHash.insert(QLatin1String("apos"), Entity::createLiteral(QLatin1String("'")));
+    entityHash.insert(QLatin1String("quot"), Entity::createLiteral(QLatin1String("\"")));
+}
+
+void QXmlStreamReaderPrivate::init()
+{
+    tos = 0;
+    scanDtd = false;
+    token = -1;
+    token_char = 0;
+    isEmptyElement = false;
+    isWhitespace = true;
+    isCDATA = false;
+    standalone = false;
+    tos = 0;
+    resumeReduction = 0;
+    state_stack[tos++] = 0;
+    state_stack[tos] = 0;
+    putStack.clear();
+    putStack.reserve(32);
+    textBuffer.clear();
+    textBuffer.reserve(256);
+    tagStack.clear();
+    tagsDone = false;
+    attributes.clear();
+    attributes.reserve(16);
+    lineNumber = lastLineStart = characterOffset = 0;
+    readBufferPos = 0;
+    nbytesread = 0;
+#ifndef QT_NO_TEXTCODEC
+    codec = QTextCodec::codecForMib(106); // utf8
+    delete decoder;
+    decoder = 0;
+#endif
+    attributeStack.clear();
+    attributeStack.reserve(16);
+    entityParser = 0;
+    hasCheckedStartDocument = false;
+    normalizeLiterals = false;
+    hasSeenTag = false;
+    atEnd = false;
+    inParseEntity = false;
+    referenceToUnparsedEntityDetected = false;
+    referenceToParameterEntityDetected = false;
+    hasExternalDtdSubset = false;
+    lockEncoding = false;
+    namespaceProcessing = true;
+    rawReadBuffer.clear();
+    dataBuffer.clear();
+    readBuffer.clear();
+
+    type = QXmlStreamReader::NoToken;
+    error = QXmlStreamReader::NoError;
+}
+
+/*
+  Well-formed requires that we verify entity values. We do this with a
+  standard parser.
+ */
+void QXmlStreamReaderPrivate::parseEntity(const QString &value)
+{
+    Q_Q(QXmlStreamReader);
+
+    if (value.isEmpty())
+        return;
+
+
+    if (!entityParser)
+        entityParser = new QXmlStreamReaderPrivate(q);
+    else
+        entityParser->init();
+    entityParser->inParseEntity = true;
+    entityParser->readBuffer = value;
+    entityParser->injectToken(PARSE_ENTITY);
+    while (!entityParser->atEnd && entityParser->type != QXmlStreamReader::Invalid)
+        entityParser->parse();
+    if (entityParser->type == QXmlStreamReader::Invalid || entityParser->tagStack.size())
+        raiseWellFormedError(QXmlStream::tr("Invalid entity value."));
+
+}
+
+inline void QXmlStreamReaderPrivate::reallocateStack()
+{
+    stack_size <<= 1;
+    sym_stack = reinterpret_cast<Value*> (qRealloc(sym_stack, stack_size * sizeof(Value)));
+    state_stack = reinterpret_cast<int*> (qRealloc(state_stack, stack_size * sizeof(int)));
+}
+
+
+QXmlStreamReaderPrivate::~QXmlStreamReaderPrivate()
+{
+#ifndef QT_NO_TEXTCODEC
+    delete decoder;
+#endif
+    qFree(sym_stack);
+    qFree(state_stack);
+    delete entityParser;
+}
+
+
+inline uint QXmlStreamReaderPrivate::filterCarriageReturn()
+{
+    uint peekc = peekChar();
+    if (peekc == '\n') {
+        if (putStack.size())
+            putStack.pop();
+        else
+            ++readBufferPos;
+        return peekc;
+    }
+    if (peekc == 0) {
+        putChar('\r');
+        return 0;
+    }
+    return '\n';
+}
+
+/*!
+ \internal
+ If the end of the file is encountered, 0 is returned.
+ */
+inline uint QXmlStreamReaderPrivate::getChar()
+{
+    uint c;
+    if (putStack.size()) {
+        c = atEnd ? 0 : putStack.pop();
+    } else {
+        if (readBufferPos < readBuffer.size())
+            c = readBuffer.at(readBufferPos++).unicode();
+        else
+            c = getChar_helper();
+    }
+
+    return c;
+}
+
+inline uint QXmlStreamReaderPrivate::peekChar()
+{
+    uint c;
+    if (putStack.size()) {
+        c = putStack.top();
+    } else if (readBufferPos < readBuffer.size()) {
+        c = readBuffer.at(readBufferPos).unicode();
+    } else {
+        if ((c = getChar_helper()))
+            --readBufferPos;
+    }
+
+    return c;
+}
+
+/*!
+  \internal
+
+  Scans characters until \a str is encountered, and validates the characters
+  as according to the Char[2] production and do the line-ending normalization.
+  If any character is invalid, false is returned, otherwise true upon success.
+
+  If \a tokenToInject is not less than zero, injectToken() is called with
+  \a tokenToInject when \a str is found.
+
+  If any error occurred, false is returned, otherwise true.
+  */
+bool QXmlStreamReaderPrivate::scanUntil(const char *str, short tokenToInject)
+{
+    int pos = textBuffer.size();
+    int oldLineNumber = lineNumber;
+
+    while (uint c = getChar()) {
+        /* First, we do the validation & normalization. */
+        switch (c) {
+        case '\r':
+            if ((c = filterCarriageReturn()) == 0)
+                break;
+            // fall through
+        case '\n':
+            ++lineNumber;
+            lastLineStart = characterOffset + readBufferPos;
+            // fall through
+        case '\t':
+            textBuffer += QChar(c);
+            continue;
+        default:
+            if(c < 0x20 || (c > 0xFFFD && c < 0x10000) || c > 0x10FFFF ) {
+                raiseWellFormedError(QXmlStream::tr("Invalid XML character."));
+                lineNumber = oldLineNumber;
+                return false;
+            }
+            textBuffer += QChar(c);
+        }
+
+
+        /* Second, attempt to lookup str. */
+        if (c == uint(*str)) {
+            if (!*(str + 1)) {
+                if (tokenToInject >= 0)
+                    injectToken(tokenToInject);
+                return true;
+            } else {
+                if (scanString(str + 1, tokenToInject, false))
+                    return true;
+            }
+        }
+    }
+    putString(textBuffer, pos);
+    textBuffer.resize(pos);
+    lineNumber = oldLineNumber;
+    return false;
+}
+
+bool QXmlStreamReaderPrivate::scanString(const char *str, short tokenToInject, bool requireSpace)
+{
+    int n = 0;
+    while (str[n]) {
+        ushort c = getChar();
+        if (c != ushort(str[n])) {
+            if (c)
+                putChar(c);
+            while (n--) {
+                putChar(ushort(str[n]));
+            }
+            return false;
+        }
+        ++n;
+    }
+    for (int i = 0; i < n; ++i)
+        textBuffer += QChar(ushort(str[i]));
+    if (requireSpace) {
+        int s = fastScanSpace();
+        if (!s || atEnd) {
+            int pos = textBuffer.size() - n - s;
+            putString(textBuffer, pos);
+            textBuffer.resize(pos);
+            return false;
+        }
+    }
+    if (tokenToInject >= 0)
+        injectToken(tokenToInject);
+    return true;
+}
+
+bool QXmlStreamReaderPrivate::scanAfterLangleBang()
+{
+    switch (peekChar()) {
+    case '[':
+        return scanString(spell[CDATA_START], CDATA_START, false);
+    case 'D':
+        return scanString(spell[DOCTYPE], DOCTYPE);
+    case 'A':
+        return scanString(spell[ATTLIST], ATTLIST);
+    case 'N':
+        return scanString(spell[NOTATION], NOTATION);
+    case 'E':
+        if (scanString(spell[ELEMENT], ELEMENT))
+            return true;
+        return scanString(spell[ENTITY], ENTITY);
+
+    default:
+        ;
+    };
+    return false;
+}
+
+bool QXmlStreamReaderPrivate::scanPublicOrSystem()
+{
+    switch (peekChar()) {
+    case 'S':
+        return scanString(spell[SYSTEM], SYSTEM);
+    case 'P':
+        return scanString(spell[PUBLIC], PUBLIC);
+    default:
+        ;
+    }
+    return false;
+}
+
+bool QXmlStreamReaderPrivate::scanNData()
+{
+    if (fastScanSpace()) {
+        if (scanString(spell[NDATA], NDATA))
+            return true;
+        putChar(' ');
+    }
+    return false;
+}
+
+bool QXmlStreamReaderPrivate::scanAfterDefaultDecl()
+{
+    switch (peekChar()) {
+    case 'R':
+        return scanString(spell[REQUIRED], REQUIRED, false);
+    case 'I':
+        return scanString(spell[IMPLIED], IMPLIED, false);
+    case 'F':
+        return scanString(spell[FIXED], FIXED, false);
+    default:
+        ;
+    }
+    return false;
+}
+
+bool QXmlStreamReaderPrivate::scanAttType()
+{
+    switch (peekChar()) {
+    case 'C':
+        return scanString(spell[CDATA], CDATA);
+    case 'I':
+        if (scanString(spell[ID], ID))
+            return true;
+        if (scanString(spell[IDREF], IDREF))
+            return true;
+        return scanString(spell[IDREFS], IDREFS);
+    case 'E':
+        if (scanString(spell[ENTITY], ENTITY))
+            return true;
+        return scanString(spell[ENTITIES], ENTITIES);
+    case 'N':
+        if (scanString(spell[NOTATION], NOTATION))
+            return true;
+        if (scanString(spell[NMTOKEN], NMTOKEN))
+            return true;
+        return scanString(spell[NMTOKENS], NMTOKENS);
+    default:
+        ;
+    }
+    return false;
+}
+
+/*!
+ \internal
+
+ Scan strings with quotes or apostrophes surround them. For instance,
+ attributes, the version and encoding field in the XML prolog and
+ entity declarations.
+
+ If normalizeLiterals is set to true, the function also normalizes
+ whitespace. It is set to true when the first start tag is
+ encountered.
+
+ */
+inline int QXmlStreamReaderPrivate::fastScanLiteralContent()
+{
+    int n = 0;
+    uint c;
+    while ((c = getChar())) {
+        switch (ushort(c)) {
+        case 0xfffe:
+        case 0xffff:
+        case 0:
+            /* The putChar() call is necessary so the parser re-gets
+             * the character from the input source, when raising an error. */
+            putChar(c);
+            return n;
+        case '\r':
+            if (filterCarriageReturn() == 0)
+                return n;
+            // fall through
+        case '\n':
+            ++lineNumber;
+            lastLineStart = characterOffset + readBufferPos;
+            // fall through
+        case ' ':
+        case '\t':
+            if (normalizeLiterals)
+                textBuffer += QLatin1Char(' ');
+            else
+                textBuffer += QChar(c);
+            ++n;
+            break;
+        case '&':
+        case '<':
+        case '\"':
+        case '\'':
+            if (!(c & 0xff0000)) {
+                putChar(c);
+                return n;
+            }
+            // fall through
+        default:
+            textBuffer += QChar(c);
+            ++n;
+        }
+    }
+    return n;
+}
+
+inline int QXmlStreamReaderPrivate::fastScanSpace()
+{
+    int n = 0;
+    ushort c;
+    while ((c = getChar())) {
+        switch (c) {
+        case '\r':
+            if ((c = filterCarriageReturn()) == 0)
+                return n;
+            // fall through
+        case '\n':
+            ++lineNumber;
+            lastLineStart = characterOffset + readBufferPos;
+            // fall through
+        case ' ':
+        case '\t':
+            textBuffer += QChar(c);
+            ++n;
+            break;
+        default:
+            putChar(c);
+            return n;
+        }
+    }
+    return n;
+}
+
+/*!
+  \internal
+
+  Used for text nodes essentially. That is, characters appearing
+  inside elements.
+ */
+inline int QXmlStreamReaderPrivate::fastScanContentCharList()
+{
+    int n = 0;
+    uint c;
+    while ((c = getChar())) {
+        switch (ushort(c)) {
+        case 0xfffe:
+        case 0xffff:
+        case 0:
+            putChar(c);
+            return n;
+        case ']': {
+            isWhitespace = false;
+            int pos = textBuffer.size();
+            textBuffer += QChar(ushort(c));
+            ++n;
+            while ((c = getChar()) == ']') {
+                textBuffer += QChar(ushort(c));
+                ++n;
+            }
+            if (c == 0) {
+                putString(textBuffer, pos);
+                textBuffer.resize(pos);
+            } else if (c == '>' && textBuffer.at(textBuffer.size()-2) == QLatin1Char(']')) {
+                raiseWellFormedError(QXmlStream::tr("Sequence ']]>' not allowed in content."));
+            } else {
+                putChar(c);
+                break;
+            }
+            return n;
+        } break;
+        case '\r':
+            if ((c = filterCarriageReturn()) == 0)
+                return n;
+            // fall through
+        case '\n':
+            ++lineNumber;
+            lastLineStart = characterOffset + readBufferPos;
+            // fall through
+        case ' ':
+        case '\t':
+            textBuffer += QChar(ushort(c));
+            ++n;
+            break;
+        case '&':
+        case '<':
+            if (!(c & 0xff0000)) {
+                putChar(c);
+                return n;
+            }
+            // fall through
+        default:
+            if (c < 0x20) {
+                putChar(c);
+                return n;
+            }
+            isWhitespace = false;
+            textBuffer += QChar(ushort(c));
+            ++n;
+        }
+    }
+    return n;
+}
+
+inline int QXmlStreamReaderPrivate::fastScanName(int *prefix)
+{
+    int n = 0;
+    ushort c;
+    while ((c = getChar())) {
+        switch (c) {
+        case '\n':
+        case ' ':
+        case '\t':
+        case '\r':
+        case '&':
+        case '#':
+        case '\'':
+        case '\"':
+        case '<':
+        case '>':
+        case '[':
+        case ']':
+        case '=':
+        case '%':
+        case '/':
+        case ';':
+        case '?':
+        case '!':
+        case '^':
+        case '|':
+        case ',':
+        case '(':
+        case ')':
+        case '+':
+        case '*':
+            putChar(c);
+            if (prefix && *prefix == n+1) {
+                *prefix = 0;
+                putChar(':');
+                --n;
+            }
+            return n;
+        case ':':
+            if (prefix) {
+                if (*prefix == 0) {
+                    *prefix = n+2;
+                } else { // only one colon allowed according to the namespace spec.
+                    putChar(c);
+                    return n;
+                }
+            } else {
+                putChar(c);
+                return n;
+            }
+            // fall through
+        default:
+            textBuffer += QChar(c);
+            ++n;
+        }
+    }
+
+    if (prefix)
+        *prefix = 0;
+    int pos = textBuffer.size() - n;
+    putString(textBuffer, pos);
+    textBuffer.resize(pos);
+    return 0;
+}
+
+enum NameChar { NameBeginning, NameNotBeginning, NotName };
+
+static const char Begi = static_cast<char>(NameBeginning);
+static const char NtBg = static_cast<char>(NameNotBeginning);
+static const char NotN = static_cast<char>(NotName);
+
+static const char nameCharTable[128] =
+{
+// 0x00
+    NotN, NotN, NotN, NotN, NotN, NotN, NotN, NotN,
+    NotN, NotN, NotN, NotN, NotN, NotN, NotN, NotN,
+// 0x10
+    NotN, NotN, NotN, NotN, NotN, NotN, NotN, NotN,
+    NotN, NotN, NotN, NotN, NotN, NotN, NotN, NotN,
+// 0x20 (0x2D is '-', 0x2E is '.')
+    NotN, NotN, NotN, NotN, NotN, NotN, NotN, NotN,
+    NotN, NotN, NotN, NotN, NotN, NtBg, NtBg, NotN,
+// 0x30 (0x30..0x39 are '0'..'9', 0x3A is ':')
+    NtBg, NtBg, NtBg, NtBg, NtBg, NtBg, NtBg, NtBg,
+    NtBg, NtBg, Begi, NotN, NotN, NotN, NotN, NotN,
+// 0x40 (0x41..0x5A are 'A'..'Z')
+    NotN, Begi, Begi, Begi, Begi, Begi, Begi, Begi,
+    Begi, Begi, Begi, Begi, Begi, Begi, Begi, Begi,
+// 0x50 (0x5F is '_')
+    Begi, Begi, Begi, Begi, Begi, Begi, Begi, Begi,
+    Begi, Begi, Begi, NotN, NotN, NotN, NotN, Begi,
+// 0x60 (0x61..0x7A are 'a'..'z')
+    NotN, Begi, Begi, Begi, Begi, Begi, Begi, Begi,
+    Begi, Begi, Begi, Begi, Begi, Begi, Begi, Begi,
+// 0x70
+    Begi, Begi, Begi, Begi, Begi, Begi, Begi, Begi,
+    Begi, Begi, Begi, NotN, NotN, NotN, NotN, NotN
+};
+
+static inline NameChar fastDetermineNameChar(QChar ch)
+{
+    ushort uc = ch.unicode();
+    if (!(uc & ~0x7f)) // uc < 128
+        return static_cast<NameChar>(nameCharTable[uc]);
+
+    QChar::Category cat = ch.category();
+    // ### some these categories might be slightly wrong
+    if ((cat >= QChar::Letter_Uppercase && cat <= QChar::Letter_Other)
+        || cat == QChar::Number_Letter)
+        return NameBeginning;
+    if ((cat >= QChar::Number_DecimalDigit && cat <= QChar::Number_Other)
+                || (cat >= QChar::Mark_NonSpacing && cat <= QChar::Mark_Enclosing))
+        return NameNotBeginning;
+    return NotName;
+}
+
+inline int QXmlStreamReaderPrivate::fastScanNMTOKEN()
+{
+    int n = 0;
+    uint c;
+    while ((c = getChar())) {
+        if (fastDetermineNameChar(c) == NotName) {
+            putChar(c);
+            return n;
+        } else {
+            ++n;
+            textBuffer += QChar(c);
+        }
+    }
+
+    int pos = textBuffer.size() - n;
+    putString(textBuffer, pos);
+    textBuffer.resize(pos);
+
+    return n;
+}
+
+void QXmlStreamReaderPrivate::putString(const QString &s, int from)
+{
+    putStack.reserve(s.size());
+    for (int i = s.size()-1; i >= from; --i)
+        putStack.rawPush() = s.at(i).unicode();
+}
+
+void QXmlStreamReaderPrivate::putStringLiteral(const QString &s)
+{
+    putStack.reserve(s.size());
+    for (int i = s.size()-1; i >= 0; --i)
+        putStack.rawPush() = ((LETTER << 16) | s.at(i).unicode());
+}
+
+void QXmlStreamReaderPrivate::putReplacement(const QString &s)
+{
+    putStack.reserve(s.size());
+    for (int i = s.size()-1; i >= 0; --i) {
+        ushort c = s.at(i).unicode();
+        if (c == '\n' || c == '\r')
+            putStack.rawPush() = ((LETTER << 16) | c);
+        else
+            putStack.rawPush() = c;
+    }
+}
+void QXmlStreamReaderPrivate::putReplacementInAttributeValue(const QString &s)
+{
+    putStack.reserve(s.size());
+    for (int i = s.size()-1; i >= 0; --i) {
+        ushort c = s.at(i).unicode();
+        if (c == '&' || c == ';')
+            putStack.rawPush() = c;
+        else if (c == '\n' || c == '\r')
+            putStack.rawPush() = ' ';
+        else
+            putStack.rawPush() = ((LETTER << 16) | c);
+    }
+}
+
+ushort QXmlStreamReaderPrivate::getChar_helper()
+{
+    const int BUFFER_SIZE = 8192;
+    characterOffset += readBufferPos;
+    readBufferPos = 0;
+    readBuffer.resize(0);
+#ifndef QT_NO_TEXTCODEC
+    if (decoder)
+#endif
+        nbytesread = 0;
+    if (device) {
+        rawReadBuffer.resize(BUFFER_SIZE);
+        int nbytesreadOrMinus1 = device->read(rawReadBuffer.data() + nbytesread, BUFFER_SIZE - nbytesread);
+        nbytesread += qMax(nbytesreadOrMinus1, 0);
+    } else {
+        if (nbytesread)
+            rawReadBuffer += dataBuffer;
+        else
+            rawReadBuffer = dataBuffer;
+        nbytesread = rawReadBuffer.size();
+        dataBuffer.clear();
+    }
+    if (!nbytesread) {
+        atEnd = true;
+        return 0;
+    }
+
+#ifndef QT_NO_TEXTCODEC
+    if (!decoder) {
+        if (nbytesread < 4) { // the 4 is to cover 0xef 0xbb 0xbf plus
+                              // one extra for the utf8 codec
+            atEnd = true;
+            return 0;
+        }
+        int mib = 106; // UTF-8
+
+        // look for byte order mark
+        uchar ch1 = rawReadBuffer.at(0);
+        uchar ch2 = rawReadBuffer.at(1);
+        uchar ch3 = rawReadBuffer.at(2);
+        uchar ch4 = rawReadBuffer.at(3);
+
+        if ((ch1 == 0 && ch2 == 0 && ch3 == 0xfe && ch4 == 0xff) ||
+            (ch1 == 0xff && ch2 == 0xfe && ch3 == 0 && ch4 == 0))
+            mib = 1017; // UTF-32 with byte order mark
+        else if (ch1 == 0x3c && ch2 == 0x00 && ch3 == 0x00 && ch4 == 0x00)
+            mib = 1019; // UTF-32LE
+        else if (ch1 == 0x00 && ch2 == 0x00 && ch3 == 0x00 && ch4 == 0x3c)
+            mib = 1018; // UTF-32BE
+        else if ((ch1 == 0xfe && ch2 == 0xff) || (ch1 == 0xff && ch2 == 0xfe))
+            mib = 1015; // UTF-16 with byte order mark
+        else if (ch1 == 0x3c && ch2 == 0x00)
+            mib = 1014; // UTF-16LE
+        else if (ch1 == 0x00 && ch2 == 0x3c)
+            mib = 1013; // UTF-16BE
+        codec = QTextCodec::codecForMib(mib);
+        Q_ASSERT(codec);
+        decoder = codec->makeDecoder();
+    }
+
+    decoder->toUnicode(&readBuffer, rawReadBuffer.data(), nbytesread);
+
+    if(lockEncoding && decoder->hasFailure()) {
+        raiseWellFormedError(QXmlStream::tr("Encountered incorrectly encoded content."));
+        readBuffer.clear();
+        return 0;
+    }
+#else
+    readBuffer = QString::fromLatin1(rawReadBuffer.data(), nbytesread);
+#endif // QT_NO_TEXTCODEC
+
+    readBuffer.reserve(1); // keep capacity when calling resize() next time
+
+    if (readBufferPos < readBuffer.size()) {
+        ushort c = readBuffer.at(readBufferPos++).unicode();
+        return c;
+    }
+
+    atEnd = true;
+    return 0;
+}
+
+QStringRef QXmlStreamReaderPrivate::namespaceForPrefix(const QStringRef &prefix)
+{
+     for (int j = namespaceDeclarations.size() - 1; j >= 0; --j) {
+         const NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.at(j);
+         if (namespaceDeclaration.prefix == prefix) {
+             return namespaceDeclaration.namespaceUri;
+         }
+     }
+
+#if 1
+     if (namespaceProcessing && !prefix.isEmpty())
+         raiseWellFormedError(QXmlStream::tr("Namespace prefix '%1' not declared").arg(prefix.toString()));
+#endif
+
+     return QStringRef();
+}
+
+/*
+  uses namespaceForPrefix and builds the attribute vector
+ */
+void QXmlStreamReaderPrivate::resolveTag()
+{
+    int n = attributeStack.size();
+
+    if (namespaceProcessing) {
+        for (int a = 0; a < dtdAttributes.size(); ++a) {
+            DtdAttribute &dtdAttribute = dtdAttributes[a];
+            if (!dtdAttribute.isNamespaceAttribute
+                || dtdAttribute.defaultValue.isNull()
+                || dtdAttribute.tagName != qualifiedName
+                || dtdAttribute.attributeQualifiedName.isNull())
+                continue;
+            int i = 0;
+            while (i < n && symName(attributeStack[i].key) != dtdAttribute.attributeQualifiedName)
+                ++i;
+            if (i != n)
+                continue;
+            if (dtdAttribute.attributePrefix.isEmpty() && dtdAttribute.attributeName == QLatin1String("xmlns")) {
+                NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
+                namespaceDeclaration.prefix.clear();
+
+                const QStringRef ns(dtdAttribute.defaultValue);
+                if(ns == QLatin1String("http://www.w3.org/2000/xmlns/") ||
+                   ns == QLatin1String("http://www.w3.org/XML/1998/namespace"))
+                    raiseWellFormedError(QXmlStream::tr("Illegal namespace declaration."));
+                else
+                    namespaceDeclaration.namespaceUri = ns;
+            } else if (dtdAttribute.attributePrefix == QLatin1String("xmlns")) {
+                NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
+                QStringRef namespacePrefix = dtdAttribute.attributeName;
+                QStringRef namespaceUri = dtdAttribute.defaultValue;
+                if (((namespacePrefix == QLatin1String("xml"))
+                     ^ (namespaceUri == QLatin1String("http://www.w3.org/XML/1998/namespace")))
+                    || namespaceUri == QLatin1String("http://www.w3.org/2000/xmlns/")
+                    || namespaceUri.isEmpty()
+                    || namespacePrefix == QLatin1String("xmlns"))
+                    raiseWellFormedError(QXmlStream::tr("Illegal namespace declaration."));
+
+                namespaceDeclaration.prefix = namespacePrefix;
+                namespaceDeclaration.namespaceUri = namespaceUri;
+            }
+        }
+    }
+
+    tagStack.top().namespaceDeclaration.namespaceUri = namespaceUri = namespaceForPrefix(prefix);
+
+    attributes.resize(n);
+
+    for (int i = 0; i < n; ++i) {
+        QXmlStreamAttribute &attribute = attributes[i];
+        Attribute &attrib = attributeStack[i];
+        QStringRef prefix(symPrefix(attrib.key));
+        QStringRef name(symString(attrib.key));
+        QStringRef qualifiedName(symName(attrib.key));
+        QStringRef value(symString(attrib.value));
+
+        attribute.m_name = QXmlStreamStringRef(name);
+        attribute.m_qualifiedName = QXmlStreamStringRef(qualifiedName);
+        attribute.m_value = QXmlStreamStringRef(value);
+
+        if (!prefix.isEmpty()) {
+            QStringRef attributeNamespaceUri = namespaceForPrefix(prefix);
+            attribute.m_namespaceUri = QXmlStreamStringRef(attributeNamespaceUri);
+        }
+
+        for (int j = 0; j < i; ++j) {
+            if (attributes[j].name() == attribute.name()
+                && attributes[j].namespaceUri() == attribute.namespaceUri()
+                && (namespaceProcessing || attributes[j].qualifiedName() == attribute.qualifiedName()))
+                raiseWellFormedError(QXmlStream::tr("Attribute redefined."));
+        }
+    }
+
+    for (int a = 0; a < dtdAttributes.size(); ++a) {
+        DtdAttribute &dtdAttribute = dtdAttributes[a];
+        if (dtdAttribute.isNamespaceAttribute
+            || dtdAttribute.defaultValue.isNull()
+            || dtdAttribute.tagName != qualifiedName
+            || dtdAttribute.attributeQualifiedName.isNull())
+            continue;
+        int i = 0;
+        while (i < n && symName(attributeStack[i].key) != dtdAttribute.attributeQualifiedName)
+            ++i;
+        if (i != n)
+            continue;
+
+
+
+        QXmlStreamAttribute attribute;
+        attribute.m_name = QXmlStreamStringRef(dtdAttribute.attributeName);
+        attribute.m_qualifiedName = QXmlStreamStringRef(dtdAttribute.attributeQualifiedName);
+        attribute.m_value = QXmlStreamStringRef(dtdAttribute.defaultValue);
+
+        if (!dtdAttribute.attributePrefix.isEmpty()) {
+            QStringRef attributeNamespaceUri = namespaceForPrefix(dtdAttribute.attributePrefix);
+            attribute.m_namespaceUri = QXmlStreamStringRef(attributeNamespaceUri);
+        }
+        attribute.m_isDefault = true;
+        attributes.append(attribute);
+    }
+
+    attributeStack.clear();
+}
+
+void QXmlStreamReaderPrivate::resolvePublicNamespaces()
+{
+    const Tag &tag = tagStack.top();
+    int n = namespaceDeclarations.size() - tag.namespaceDeclarationsSize;
+    publicNamespaceDeclarations.resize(n);
+    for (int i = 0; i < n; ++i) {
+        const NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.at(tag.namespaceDeclarationsSize + i);
+        QXmlStreamNamespaceDeclaration &publicNamespaceDeclaration = publicNamespaceDeclarations[i];
+        publicNamespaceDeclaration.m_prefix = QXmlStreamStringRef(namespaceDeclaration.prefix);
+        publicNamespaceDeclaration.m_namespaceUri = QXmlStreamStringRef(namespaceDeclaration.namespaceUri);
+    }
+}
+
+void QXmlStreamReaderPrivate::resolveDtd()
+{
+    publicNotationDeclarations.resize(notationDeclarations.size());
+    for (int i = 0; i < notationDeclarations.size(); ++i) {
+        const QXmlStreamReaderPrivate::NotationDeclaration &notationDeclaration = notationDeclarations.at(i);
+        QXmlStreamNotationDeclaration &publicNotationDeclaration = publicNotationDeclarations[i];
+        publicNotationDeclaration.m_name = QXmlStreamStringRef(notationDeclaration.name);
+        publicNotationDeclaration.m_systemId = QXmlStreamStringRef(notationDeclaration.systemId);
+        publicNotationDeclaration.m_publicId = QXmlStreamStringRef(notationDeclaration.publicId);
+
+    }
+    notationDeclarations.clear();
+    publicEntityDeclarations.resize(entityDeclarations.size());
+    for (int i = 0; i < entityDeclarations.size(); ++i) {
+        const QXmlStreamReaderPrivate::EntityDeclaration &entityDeclaration = entityDeclarations.at(i);
+        QXmlStreamEntityDeclaration &publicEntityDeclaration = publicEntityDeclarations[i];
+        publicEntityDeclaration.m_name = QXmlStreamStringRef(entityDeclaration.name);
+        publicEntityDeclaration.m_notationName = QXmlStreamStringRef(entityDeclaration.notationName);
+        publicEntityDeclaration.m_systemId = QXmlStreamStringRef(entityDeclaration.systemId);
+        publicEntityDeclaration.m_publicId = QXmlStreamStringRef(entityDeclaration.publicId);
+        publicEntityDeclaration.m_value = QXmlStreamStringRef(entityDeclaration.value);
+    }
+    entityDeclarations.clear();
+    parameterEntityHash.clear();
+}
+
+uint QXmlStreamReaderPrivate::resolveCharRef(int symbolIndex)
+{
+    bool ok = true;
+    uint s;
+    // ### add toXShort to QStringRef?
+    if (sym(symbolIndex).c == 'x')
+        s = symString(symbolIndex, 1).toString().toUInt(&ok, 16);
+    else
+        s = symString(symbolIndex).toString().toUInt(&ok, 10);
+
+    ok &= (s == 0x9 || s == 0xa || s == 0xd || (s >= 0x20 && s <= 0xd7ff)
+           || (s >= 0xe000 && s <= 0xfffd) || (s >= 0x10000 && s <= 0x10ffff));
+
+    return ok ? s : 0;
+}
+
+
+void QXmlStreamReaderPrivate::checkPublicLiteral(const QStringRef &publicId)
+{
+//#x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]
+
+    const ushort *data = reinterpret_cast<const ushort *>(publicId.constData());
+    uchar c = 0;
+    int i;
+    for (i = publicId.size() - 1; i >= 0; --i) {
+        if (data[i] < 256)
+            switch ((c = data[i])) {
+            case ' ': case '\n': case '\r': case '-': case '(': case ')':
+            case '+': case ',': case '.': case '/': case ':': case '=':
+            case '?': case ';': case '!': case '*': case '#': case '@':
+            case '$': case '_': case '%': case '\'': case '\"':
+                continue;
+            default:
+                if ((c >= 'a' && c <= 'z')
+                    || (c >= 'A' && c <= 'Z')
+                    || (c >= '0' && c <= '9'))
+                    continue;
+            }
+        break;
+    }
+    if (i >= 0)
+        raiseWellFormedError(QXmlStream::tr("Unexpected character '%1' in public id literal.").arg(QChar(QLatin1Char(c))));
+}
+
+/*
+  Checks whether the document starts with an xml declaration. If it
+  does, this function returns true; otherwise it sets up everything
+  for a synthetic start document event and returns false.
+ */
+bool QXmlStreamReaderPrivate::checkStartDocument()
+{
+    hasCheckedStartDocument = true;
+
+    if (scanString(spell[XML], XML))
+        return true;
+
+    type = QXmlStreamReader::StartDocument;
+    if (atEnd) {
+        hasCheckedStartDocument = false;
+        raiseError(QXmlStreamReader::PrematureEndOfDocumentError);
+    }
+    return false;
+}
+
+void QXmlStreamReaderPrivate::startDocument()
+{
+    QString err;
+    if (documentVersion != QLatin1String("1.0")) {
+        if (documentVersion.toString().contains(QLatin1Char(' ')))
+            err = QXmlStream::tr("Invalid XML version string.");
+        else
+            err = QXmlStream::tr("Unsupported XML version.");
+    }
+    int n = attributeStack.size();
+
+    /* We use this bool to ensure that the pesudo attributes are in the
+     * proper order:
+     *
+     * [23]     XMLDecl     ::=     '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>' */
+    bool hasStandalone = false;
+
+    for (int i = 0; err.isNull() && i < n; ++i) {
+        Attribute &attrib = attributeStack[i];
+        QStringRef prefix(symPrefix(attrib.key));
+        QStringRef key(symString(attrib.key));
+        QStringRef value(symString(attrib.value));
+
+        if (prefix.isEmpty() && key == QLatin1String("encoding")) {
+            const QString name(value.toString());
+            documentEncoding = value;
+
+            if(hasStandalone)
+                err = QXmlStream::tr("The standalone pseudo attribute must appear after the encoding.");
+            if(!QXmlUtils::isEncName(name))
+                err = QXmlStream::tr("%1 is an invalid encoding name.").arg(name);
+            else {
+#ifdef QT_NO_TEXTCODEC
+                readBuffer = QString::fromLatin1(rawReadBuffer.data(), nbytesread);
+#else
+                QTextCodec *const newCodec = QTextCodec::codecForName(name.toLatin1());
+                if (!newCodec)
+                    err = QXmlStream::tr("Encoding %1 is unsupported").arg(name);
+                else if (newCodec != codec && !lockEncoding) {
+                    codec = newCodec;
+                    delete decoder;
+                    decoder = codec->makeDecoder();
+                    decoder->toUnicode(&readBuffer, rawReadBuffer.data(), nbytesread);
+                }
+#endif // QT_NO_TEXTCODEC
+            }
+        } else if (prefix.isEmpty() && key == QLatin1String("standalone")) {
+            hasStandalone = true;
+            if (value == QLatin1String("yes"))
+                standalone = true;
+            else if (value == QLatin1String("no"))
+                standalone = false;
+            else
+                err = QXmlStream::tr("Standalone accepts only yes or no.");
+        } else {
+            err = QXmlStream::tr("Invalid attribute in XML declaration.");
+        }
+    }
+
+    if (!err.isNull())
+        raiseWellFormedError(err);
+    attributeStack.clear();
+}
+
+
+void QXmlStreamReaderPrivate::raiseError(QXmlStreamReader::Error error, const QString& message)
+{
+    this->error = error;
+    errorString = message;
+    if (errorString.isNull()) {
+        if (error == QXmlStreamReader::PrematureEndOfDocumentError)
+            errorString = QXmlStream::tr("Premature end of document.");
+        else if (error == QXmlStreamReader::CustomError)
+            errorString = QXmlStream::tr("Invalid document.");
+    }
+
+    type = QXmlStreamReader::Invalid;
+}
+
+void QXmlStreamReaderPrivate::raiseWellFormedError(const QString &message)
+{
+    raiseError(QXmlStreamReader::NotWellFormedError, message);
+}
+
+void QXmlStreamReaderPrivate::parseError()
+{
+
+    if (token == EOF_SYMBOL) {
+        raiseError(QXmlStreamReader::PrematureEndOfDocumentError);
+        return;
+    }
+    const int nmax = 4;
+    QString error_message;
+    int ers = state_stack[tos];
+    int nexpected = 0;
+    int expected[nmax];
+    if (token != ERROR)
+        for (int tk = 0; tk < TERMINAL_COUNT; ++tk) {
+            int k = t_action(ers, tk);
+            if (k <= 0)
+                continue;
+            if (spell[tk]) {
+                if (nexpected < nmax)
+                    expected[nexpected++] = tk;
+            }
+        }
+
+    error_message.clear ();
+    if (nexpected && nexpected < nmax) {
+        bool first = true;
+
+        for (int s = 0; s < nexpected; ++s) {
+            if (first)
+                error_message += QXmlStream::tr ("Expected ");
+            else if (s == nexpected - 1)
+                error_message += QLatin1String (nexpected > 2 ? ", or " : " or ");
+            else
+                error_message += QLatin1String (", ");
+
+            first = false;
+            error_message += QLatin1String("\'");
+            error_message += QLatin1String (spell [expected[s]]);
+            error_message += QLatin1String("\'");
+        }
+        error_message += QXmlStream::tr(", but got \'");
+        error_message += QLatin1String(spell [token]);
+        error_message += QLatin1String("\'");
+    } else {
+        error_message += QXmlStream::tr("Unexpected \'");
+        error_message += QLatin1String(spell [token]);
+        error_message += QLatin1String("\'");
+    }
+    error_message += QLatin1Char('.');
+
+    raiseWellFormedError(error_message);
+}
+
+void QXmlStreamReaderPrivate::resume(int rule) {
+    resumeReduction = rule;
+    if (error == QXmlStreamReader::NoError)
+        raiseError(QXmlStreamReader::PrematureEndOfDocumentError);
+}
+
+/*! Returns the current line number, starting with 1.
+
+\sa columnNumber(), characterOffset()
+ */
+qint64 QXmlStreamReader::lineNumber() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->lineNumber + 1; // in public we start with 1
+}
+
+/*! Returns the current column number, starting with 0.
+
+\sa lineNumber(), characterOffset()
+ */
+qint64 QXmlStreamReader::columnNumber() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->characterOffset - d->lastLineStart + d->readBufferPos;
+}
+
+/*! Returns the current character offset, starting with 0.
+
+\sa lineNumber(), columnNumber()
+*/
+qint64 QXmlStreamReader::characterOffset() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->characterOffset + d->readBufferPos;
+}
+
+
+/*!  Returns the text of \l Characters, \l Comment, \l DTD, or
+  EntityReference.
+ */
+QStringRef QXmlStreamReader::text() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->text;
+}
+
+
+/*!  If the state() is \l DTD, this function returns the DTD's
+  notation declarations. Otherwise an empty vector is returned.
+
+  The QXmlStreamNotationDeclarations class is defined to be a QVector
+  of QXmlStreamNotationDeclaration.
+ */
+QXmlStreamNotationDeclarations QXmlStreamReader::notationDeclarations() const
+{
+    Q_D(const QXmlStreamReader);
+    if (d->notationDeclarations.size())
+        const_cast<QXmlStreamReaderPrivate *>(d)->resolveDtd();
+    return d->publicNotationDeclarations;
+}
+
+
+/*!  If the state() is \l DTD, this function returns the DTD's
+  unparsed (external) entity declarations. Otherwise an empty vector is returned.
+
+  The QXmlStreamEntityDeclarations class is defined to be a QVector
+  of QXmlStreamEntityDeclaration.
+ */
+QXmlStreamEntityDeclarations QXmlStreamReader::entityDeclarations() const
+{
+    Q_D(const QXmlStreamReader);
+    if (d->entityDeclarations.size())
+        const_cast<QXmlStreamReaderPrivate *>(d)->resolveDtd();
+    return d->publicEntityDeclarations;
+}
+
+/*!
+  \since 4.4
+
+  If the state() is \l DTD, this function returns the DTD's
+  name. Otherwise an empty string is returned.
+
+ */
+QStringRef QXmlStreamReader::dtdName() const
+{
+   Q_D(const QXmlStreamReader);
+   if (d->type == QXmlStreamReader::DTD)
+       return d->dtdName;
+   return QStringRef();
+}
+
+/*!
+  \since 4.4
+
+  If the state() is \l DTD, this function returns the DTD's
+  public identifier. Otherwise an empty string is returned.
+
+ */
+QStringRef QXmlStreamReader::dtdPublicId() const
+{
+   Q_D(const QXmlStreamReader);
+   if (d->type == QXmlStreamReader::DTD)
+       return d->dtdPublicId;
+   return QStringRef();
+}
+
+/*!
+  \since 4.4
+
+  If the state() is \l DTD, this function returns the DTD's
+  system identifier. Otherwise an empty string is returned.
+
+ */
+QStringRef QXmlStreamReader::dtdSystemId() const
+{
+   Q_D(const QXmlStreamReader);
+   if (d->type == QXmlStreamReader::DTD)
+       return d->dtdSystemId;
+   return QStringRef();
+}
+
+/*!  If the state() is \l StartElement, this function returns the
+  element's namespace declarations. Otherwise an empty vector is
+  returned.
+
+  The QXmlStreamNamespaceDeclaration class is defined to be a QVector
+  of QXmlStreamNamespaceDeclaration.
+
+  \sa addExtraNamespaceDeclaration(), addExtraNamespaceDeclarations()
+ */
+QXmlStreamNamespaceDeclarations QXmlStreamReader::namespaceDeclarations() const
+{
+    Q_D(const QXmlStreamReader);
+    if (d->publicNamespaceDeclarations.isEmpty() && d->type == StartElement)
+        const_cast<QXmlStreamReaderPrivate *>(d)->resolvePublicNamespaces();
+    return d->publicNamespaceDeclarations;
+}
+
+
+/*!
+  \since 4.4
+
+  Adds an \a extraNamespaceDeclaration. The declaration will be
+  valid for children of the current element, or - should the function
+  be called before any elements are read - for the entire XML
+  document.
+
+  \sa namespaceDeclarations(), addExtraNamespaceDeclarations(), setNamespaceProcessing()
+ */
+void QXmlStreamReader::addExtraNamespaceDeclaration(const QXmlStreamNamespaceDeclaration &extraNamespaceDeclaration)
+{
+    Q_D(QXmlStreamReader);
+    QXmlStreamReaderPrivate::NamespaceDeclaration &namespaceDeclaration = d->namespaceDeclarations.push();
+    namespaceDeclaration.prefix = d->addToStringStorage(extraNamespaceDeclaration.prefix());
+    namespaceDeclaration.namespaceUri = d->addToStringStorage(extraNamespaceDeclaration.namespaceUri());
+}
+
+/*!
+  \since 4.4
+
+  Adds a vector of declarations specified by \a extraNamespaceDeclarations.
+
+  \sa namespaceDeclarations(), addExtraNamespaceDeclaration()
+ */
+void QXmlStreamReader::addExtraNamespaceDeclarations(const QXmlStreamNamespaceDeclarations &extraNamespaceDeclarations)
+{
+    for (int i = 0; i < extraNamespaceDeclarations.size(); ++i)
+        addExtraNamespaceDeclaration(extraNamespaceDeclarations.at(i));
+}
+
+
+/*!  Convenience function to be called in case a StartElement was
+  read. Reads until the corresponding EndElement and returns all text
+  in-between. In case of no error, the current token (see tokenType())
+  after having called this function is EndElement.
+
+  The function concatenates text() when it reads either \l Characters
+  or EntityReference tokens, but skips ProcessingInstruction and \l
+  Comment. In case anything else is read before reaching EndElement,
+  the function returns what it read so far and raises an
+  UnexpectedElementError. If the current token is not StartElement, an
+  empty string is returned.
+ */
+QString QXmlStreamReader::readElementText()
+{
+    Q_D(QXmlStreamReader);
+    if (isStartElement()) {
+        QString result;
+        forever {
+            switch (readNext()) {
+            case Characters:
+            case EntityReference:
+                result.insert(result.size(), d->text.unicode(), d->text.size());
+                break;
+            case EndElement:
+                return result;
+            case ProcessingInstruction:
+            case Comment:
+                break;
+            default:
+                if (!d->error)
+                    d->raiseError(UnexpectedElementError, QXmlStream::tr("Expected character data."));
+                return result;
+            }
+        }
+    }
+    return QString();
+}
+
+/*!  Raises a custom error with an optional error \a message.
+
+  \sa error(), errorString()
+ */
+void QXmlStreamReader::raiseError(const QString& message)
+{
+    Q_D(QXmlStreamReader);
+    d->raiseError(CustomError, message);
+}
+
+/*!
+  Returns the error message that was set with raiseError().
+
+  \sa error(), lineNumber(), columnNumber(), characterOffset()
+ */
+QString QXmlStreamReader::errorString() const
+{
+    Q_D(const QXmlStreamReader);
+    if (d->type == QXmlStreamReader::Invalid)
+        return d->errorString;
+    return QString();
+}
+
+/*!  Returns the type of the current error, or NoError if no error occurred.
+
+  \sa errorString(), raiseError()
+ */
+QXmlStreamReader::Error QXmlStreamReader::error() const
+{
+    Q_D(const QXmlStreamReader);
+    if (d->type == QXmlStreamReader::Invalid)
+        return d->error;
+    return NoError;
+}
+
+/*!
+  Returns the target of a ProcessingInstruction.
+ */
+QStringRef QXmlStreamReader::processingInstructionTarget() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->processingInstructionTarget;
+}
+
+/*!
+  Returns the data of a ProcessingInstruction.
+ */
+QStringRef QXmlStreamReader::processingInstructionData() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->processingInstructionData;
+}
+
+
+
+/*!
+  Returns the local name of a StartElement, EndElement, or an EntityReference.
+
+  \sa namespaceUri(), qualifiedName()
+ */
+QStringRef QXmlStreamReader::name() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->name;
+}
+
+/*!
+  Returns the namespaceUri of a StartElement or EndElement.
+
+  \sa name(), qualifiedName()
+ */
+QStringRef QXmlStreamReader::namespaceUri() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->namespaceUri;
+}
+
+/*!
+  Returns the qualified name of a StartElement or EndElement;
+
+  A qualified name is the raw name of an element in the XML data. It
+  consists of the namespace prefix, followed by colon, followed by the
+  element's local name. Since the namespace prefix is not unique (the
+  same prefix can point to different namespaces and different prefixes
+  can point to the same namespace), you shouldn't use qualifiedName(),
+  but the resolved namespaceUri() and the attribute's local name().
+
+   \sa name(), prefix(), namespaceUri()
+ */
+QStringRef QXmlStreamReader::qualifiedName() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->qualifiedName;
+}
+
+
+
+/*!
+  \since 4.4
+
+  Returns the prefix of a StartElement or EndElement.
+
+  \sa name(), qualifiedName()
+*/
+QStringRef QXmlStreamReader::prefix() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->prefix;
+}
+
+/*!
+  Returns the attributes of a StartElement.
+ */
+QXmlStreamAttributes QXmlStreamReader::attributes() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->attributes;
+}
+
+#endif // QT_NO_XMLSTREAMREADER
+
+/*!
+    \class QXmlStreamAttribute
+    \since 4.3
+    \reentrant
+    \brief The QXmlStreamAttribute class represents a single XML attribute
+
+    \ingroup xml-tools
+
+    An attribute consists of an optionally empty namespaceUri(), a
+    name(), a value(), and an isDefault() attribute.
+
+    The raw XML attribute name is returned as qualifiedName().
+*/
+
+/*!
+  Creates an empty attribute.
+ */
+QXmlStreamAttribute::QXmlStreamAttribute()
+{
+    m_isDefault = false;
+}
+
+/*!
+  Destructs an attribute.
+ */
+QXmlStreamAttribute::~QXmlStreamAttribute()
+{
+}
+
+/*!  Constructs an attribute in the namespace described with \a
+  namespaceUri with \a name and value \a value.
+ */
+QXmlStreamAttribute::QXmlStreamAttribute(const QString &namespaceUri, const QString &name, const QString &value)
+{
+    m_namespaceUri = QXmlStreamStringRef(QStringRef(&namespaceUri));
+    m_name = m_qualifiedName = QXmlStreamStringRef(QStringRef(&name));
+    m_value = QXmlStreamStringRef(QStringRef(&value));
+    m_namespaceUri = QXmlStreamStringRef(QStringRef(&namespaceUri));
+}
+
+/*!
+    Constructs an attribute with qualified name \a qualifiedName and value \a value.
+ */
+QXmlStreamAttribute::QXmlStreamAttribute(const QString &qualifiedName, const QString &value)
+{
+    int colon = qualifiedName.indexOf(QLatin1Char(':'));
+    m_name = QXmlStreamStringRef(QStringRef(&qualifiedName,
+                                            colon + 1,
+                                            qualifiedName.size() - (colon + 1)));
+    m_qualifiedName = QXmlStreamStringRef(QStringRef(&qualifiedName));
+    m_value = QXmlStreamStringRef(QStringRef(&value));
+}
+
+/*! \fn QStringRef QXmlStreamAttribute::namespaceUri() const
+
+   Returns the attribute's resolved namespaceUri, or an empty string
+   reference if the attribute does not have a defined namespace.
+ */
+/*! \fn QStringRef QXmlStreamAttribute::name() const
+   Returns the attribute's local name.
+ */
+/*! \fn QStringRef QXmlStreamAttribute::qualifiedName() const
+   Returns the attribute's qualified name.
+
+   A qualified name is the raw name of an attribute in the XML
+   data. It consists of the namespace prefix(), followed by colon,
+   followed by the attribute's local name(). Since the namespace prefix
+   is not unique (the same prefix can point to different namespaces
+   and different prefixes can point to the same namespace), you
+   shouldn't use qualifiedName(), but the resolved namespaceUri() and
+   the attribute's local name().
+ */
+/*!
+   \fn QStringRef QXmlStreamAttribute::prefix() const
+   \since 4.4
+   Returns the attribute's namespace prefix.
+
+   \sa name(), qualifiedName()
+
+*/
+
+/*! \fn QStringRef QXmlStreamAttribute::value() const
+   Returns the attribute's value.
+ */
+
+/*! \fn bool QXmlStreamAttribute::isDefault() const
+
+   Returns true if the parser added this attribute with a default
+   value following an ATTLIST declaration in the DTD; otherwise
+   returns false.
+*/
+/*! \fn bool QXmlStreamAttribute::operator==(const QXmlStreamAttribute &other) const
+
+    Compares this attribute with \a other and returns true if they are
+    equal; otherwise returns false.
+ */
+/*! \fn bool QXmlStreamAttribute::operator!=(const QXmlStreamAttribute &other) const
+
+    Compares this attribute with \a other and returns true if they are
+    not equal; otherwise returns false.
+ */
+
+
+/*!
+  Creates a copy of \a other.
+ */
+QXmlStreamAttribute::QXmlStreamAttribute(const QXmlStreamAttribute &other)
+{
+    *this = other;
+}
+
+/*!
+  Assigns \a other to this attribute.
+ */
+QXmlStreamAttribute& QXmlStreamAttribute::operator=(const QXmlStreamAttribute &other)
+{
+    m_name = other.m_name;
+    m_namespaceUri = other.m_namespaceUri;
+    m_qualifiedName = other.m_qualifiedName;
+    m_value = other.m_value;
+    m_isDefault = other.m_isDefault;
+    return *this;
+}
+
+
+/*!
+    \class QXmlStreamAttributes
+    \since 4.3
+    \reentrant
+    \brief The QXmlStreamAttributes class represents a vector of QXmlStreamAttribute.
+
+    Attributes are returned by a QXmlStreamReader in
+    \l{QXmlStreamReader::attributes()} {attributes()} when the reader
+    reports a \l {QXmlStreamReader::StartElement}{start element}. The
+    class can also be used with a QXmlStreamWriter as an argument to
+    \l {QXmlStreamWriter::writeAttributes()}{writeAttributes()}.
+
+    The convenience function value() loops over the vector and returns
+    an attribute value for a given namespaceUri and an attribute's
+    name.
+
+    New attributes can be added with append().
+
+    \ingroup xml-tools
+*/
+
+/*!
+    \fn void QXmlStreamAttributes::append(const QXmlStreamAttribute &attribute)
+
+    Appends the given \a attribute to the end of the vector.
+
+    \sa QVector::append()
+*/
+
+
+/*!
+    \typedef QXmlStreamNotationDeclarations
+    \relates QXmlStreamNotationDeclaration
+
+    Synonym for QVector<QXmlStreamNotationDeclaration>.
+*/
+
+
+/*!
+    \class QXmlStreamNotationDeclaration
+    \since 4.3
+    \reentrant
+    \brief The QXmlStreamNotationDeclaration class represents a DTD notation declaration.
+
+    \ingroup xml-tools
+
+    An notation declaration consists of a name(), a systemId(), and a publicId().
+*/
+
+/*!
+  Creates an empty notation declaration.
+*/
+QXmlStreamNotationDeclaration::QXmlStreamNotationDeclaration()
+{
+}
+/*!
+  Creates a copy of \a other.
+ */
+QXmlStreamNotationDeclaration::QXmlStreamNotationDeclaration(const QXmlStreamNotationDeclaration &other)
+{
+    *this = other;
+}
+
+/*!
+  Assigns \a other to this notation declaration.
+ */
+QXmlStreamNotationDeclaration& QXmlStreamNotationDeclaration::operator=(const QXmlStreamNotationDeclaration &other)
+{
+    m_name = other.m_name;
+    m_systemId = other.m_systemId;
+    m_publicId = other.m_publicId;
+    return *this;
+}
+
+/*!
+Destructs this notation declaration.
+*/
+QXmlStreamNotationDeclaration::~QXmlStreamNotationDeclaration()
+{
+}
+
+/*! \fn QStringRef QXmlStreamNotationDeclaration::name() const
+
+Returns the notation name.
+*/
+/*! \fn QStringRef QXmlStreamNotationDeclaration::systemId() const
+
+Returns the system identifier.
+*/
+/*! \fn QStringRef QXmlStreamNotationDeclaration::publicId() const
+
+Returns the public identifier.
+*/
+
+/*! \fn inline bool QXmlStreamNotationDeclaration::operator==(const QXmlStreamNotationDeclaration &other) const
+
+    Compares this notation declaration with \a other and returns true
+    if they are equal; otherwise returns false.
+ */
+/*! \fn inline bool QXmlStreamNotationDeclaration::operator!=(const QXmlStreamNotationDeclaration &other) const
+
+    Compares this notation declaration with \a other and returns true
+    if they are not equal; otherwise returns false.
+ */
+
+/*!
+    \typedef QXmlStreamNamespaceDeclarations
+    \relates QXmlStreamNamespaceDeclaration
+
+    Synonym for QVector<QXmlStreamNamespaceDeclaration>.
+*/
+
+/*!
+    \class QXmlStreamNamespaceDeclaration
+    \since 4.3
+    \reentrant
+    \brief The QXmlStreamNamespaceDeclaration class represents a namespace declaration.
+
+    \ingroup xml-tools
+
+    An namespace declaration consists of a prefix() and a namespaceUri().
+*/
+/*! \fn inline bool QXmlStreamNamespaceDeclaration::operator==(const QXmlStreamNamespaceDeclaration &other) const
+
+    Compares this namespace declaration with \a other and returns true
+    if they are equal; otherwise returns false.
+ */
+/*! \fn inline bool QXmlStreamNamespaceDeclaration::operator!=(const QXmlStreamNamespaceDeclaration &other) const
+
+    Compares this namespace declaration with \a other and returns true
+    if they are not equal; otherwise returns false.
+ */
+
+/*!
+  Creates an empty namespace declaration.
+*/
+QXmlStreamNamespaceDeclaration::QXmlStreamNamespaceDeclaration()
+{
+}
+
+/*!
+  \since 4.4
+
+  Creates a namespace declaration with \a prefix and \a namespaceUri.
+*/
+QXmlStreamNamespaceDeclaration::QXmlStreamNamespaceDeclaration(const QString &prefix, const QString &namespaceUri)
+{
+    m_prefix = prefix;
+    m_namespaceUri = namespaceUri;
+}
+
+/*!
+  Creates a copy of \a other.
+ */
+QXmlStreamNamespaceDeclaration::QXmlStreamNamespaceDeclaration(const QXmlStreamNamespaceDeclaration &other)
+{
+    *this = other;
+}
+
+/*!
+  Assigns \a other to this namespace declaration.
+ */
+QXmlStreamNamespaceDeclaration& QXmlStreamNamespaceDeclaration::operator=(const QXmlStreamNamespaceDeclaration &other)
+{
+    m_prefix = other.m_prefix;
+    m_namespaceUri = other.m_namespaceUri;
+    return *this;
+}
+/*!
+Destructs this namespace declaration.
+*/
+QXmlStreamNamespaceDeclaration::~QXmlStreamNamespaceDeclaration()
+{
+}
+
+/*! \fn QStringRef QXmlStreamNamespaceDeclaration::prefix() const
+
+Returns the prefix.
+*/
+/*! \fn QStringRef QXmlStreamNamespaceDeclaration::namespaceUri() const
+
+Returns the namespaceUri.
+*/
+
+
+
+
+/*!
+    \typedef QXmlStreamEntityDeclarations
+    \relates QXmlStreamEntityDeclaration
+
+    Synonym for QVector<QXmlStreamEntityDeclaration>.
+*/
+
+/*!
+    \class QXmlStreamStringRef
+    \since 4.3
+    \internal
+*/
+
+/*!
+    \class QXmlStreamEntityDeclaration
+    \since 4.3
+    \reentrant
+    \brief The QXmlStreamEntityDeclaration class represents a DTD entity declaration.
+
+    \ingroup xml-tools
+
+    An entity declaration consists of a name(), a notationName(), a
+    systemId(), a publicId(), and a value().
+*/
+
+/*!
+  Creates an empty entity declaration.
+*/
+QXmlStreamEntityDeclaration::QXmlStreamEntityDeclaration()
+{
+}
+
+/*!
+  Creates a copy of \a other.
+ */
+QXmlStreamEntityDeclaration::QXmlStreamEntityDeclaration(const QXmlStreamEntityDeclaration &other)
+{
+    *this = other;
+}
+
+/*!
+  Assigns \a other to this entity declaration.
+ */
+QXmlStreamEntityDeclaration& QXmlStreamEntityDeclaration::operator=(const QXmlStreamEntityDeclaration &other)
+{
+    m_name = other.m_name;
+    m_notationName = other.m_notationName;
+    m_systemId = other.m_systemId;
+    m_publicId = other.m_publicId;
+    m_value = other.m_value;
+    return *this;
+}
+
+/*!
+  Destructs this entity declaration.
+*/
+QXmlStreamEntityDeclaration::~QXmlStreamEntityDeclaration()
+{
+}
+
+/*! \fn QStringRef QXmlStreamEntityDeclaration::name() const
+
+Returns the entity name.
+*/
+/*! \fn QStringRef QXmlStreamEntityDeclaration::notationName() const
+
+Returns the notation name.
+*/
+/*! \fn QStringRef QXmlStreamEntityDeclaration::systemId() const
+
+Returns the system identifier.
+*/
+/*! \fn QStringRef QXmlStreamEntityDeclaration::publicId() const
+
+Returns the public identifier.
+*/
+/*! \fn QStringRef QXmlStreamEntityDeclaration::value() const
+
+Returns the entity's value.
+*/
+
+/*! \fn bool QXmlStreamEntityDeclaration::operator==(const QXmlStreamEntityDeclaration &other) const
+
+    Compares this entity declaration with \a other and returns true if
+    they are equal; otherwise returns false.
+ */
+/*! \fn bool QXmlStreamEntityDeclaration::operator!=(const QXmlStreamEntityDeclaration &other) const
+
+    Compares this entity declaration with \a other and returns true if
+    they are not equal; otherwise returns false.
+ */
+
+/*!  Returns the value of the attribute \a name in the namespace
+  described with \a namespaceUri, or an empty string reference if the
+  attribute is not defined. The \a namespaceUri can be empty.
+ */
+QStringRef QXmlStreamAttributes::value(const QString &namespaceUri, const QString &name) const
+{
+    for (int i = 0; i < size(); ++i) {
+        const QXmlStreamAttribute &attribute = at(i);
+        if (attribute.name() == name && attribute.namespaceUri() == namespaceUri)
+            return attribute.value();
+    }
+    return QStringRef();
+}
+
+/*!\overload
+  Returns the value of the attribute \a name in the namespace
+  described with \a namespaceUri, or an empty string reference if the
+  attribute is not defined. The \a namespaceUri can be empty.
+ */
+QStringRef QXmlStreamAttributes::value(const QString &namespaceUri, const QLatin1String &name) const
+{
+    for (int i = 0; i < size(); ++i) {
+        const QXmlStreamAttribute &attribute = at(i);
+        if (attribute.name() == name && attribute.namespaceUri() == namespaceUri)
+            return attribute.value();
+    }
+    return QStringRef();
+}
+
+/*!\overload
+  Returns the value of the attribute \a name in the namespace
+  described with \a namespaceUri, or an empty string reference if the
+  attribute is not defined. The \a namespaceUri can be empty.
+ */
+QStringRef QXmlStreamAttributes::value(const QLatin1String &namespaceUri, const QLatin1String &name) const
+{
+    for (int i = 0; i < size(); ++i) {
+        const QXmlStreamAttribute &attribute = at(i);
+        if (attribute.name() == name && attribute.namespaceUri() == namespaceUri)
+            return attribute.value();
+    }
+    return QStringRef();
+}
+
+/*!\overload
+
+  Returns the value of the attribute with qualified name \a
+  qualifiedName , or an empty string reference if the attribute is not
+  defined. A qualified name is the raw name of an attribute in the XML
+  data. It consists of the namespace prefix, followed by colon,
+  followed by the attribute's local name. Since the namespace prefix
+  is not unique (the same prefix can point to different namespaces and
+  different prefixes can point to the same namespace), you shouldn't
+  use qualified names, but a resolved namespaceUri and the attribute's
+  local name.
+ */
+QStringRef QXmlStreamAttributes::value(const QString &qualifiedName) const
+{
+    for (int i = 0; i < size(); ++i) {
+        const QXmlStreamAttribute &attribute = at(i);
+        if (attribute.qualifiedName() == qualifiedName)
+            return attribute.value();
+    }
+    return QStringRef();
+}
+
+/*!\overload
+
+  Returns the value of the attribute with qualified name \a
+  qualifiedName , or an empty string reference if the attribute is not
+  defined. A qualified name is the raw name of an attribute in the XML
+  data. It consists of the namespace prefix, followed by colon,
+  followed by the attribute's local name. Since the namespace prefix
+  is not unique (the same prefix can point to different namespaces and
+  different prefixes can point to the same namespace), you shouldn't
+  use qualified names, but a resolved namespaceUri and the attribute's
+  local name.
+ */
+QStringRef QXmlStreamAttributes::value(const QLatin1String &qualifiedName) const
+{
+    for (int i = 0; i < size(); ++i) {
+        const QXmlStreamAttribute &attribute = at(i);
+        if (attribute.qualifiedName() == qualifiedName)
+            return attribute.value();
+    }
+    return QStringRef();
+}
+
+/*!Appends a new attribute with \a name in the namespace
+  described with \a namespaceUri, and value \a value. The \a
+  namespaceUri can be empty.
+ */
+void QXmlStreamAttributes::append(const QString &namespaceUri, const QString &name, const QString &value)
+{
+    append(QXmlStreamAttribute(namespaceUri, name, value));
+}
+
+/*!\overload
+  Appends a new attribute with qualified name \a qualifiedName and
+  value \a value.
+ */
+void QXmlStreamAttributes::append(const QString &qualifiedName, const QString &value)
+{
+    append(QXmlStreamAttribute(qualifiedName, value));
+}
+
+#ifndef QT_NO_XMLSTREAMREADER
+
+/*! \fn bool QXmlStreamReader::isStartDocument() const
+  Returns true if tokenType() equals \l StartDocument; otherwise returns false.
+*/
+/*! \fn bool QXmlStreamReader::isEndDocument() const
+  Returns true if tokenType() equals \l EndDocument; otherwise returns false.
+*/
+/*! \fn bool QXmlStreamReader::isStartElement() const
+  Returns true if tokenType() equals \l StartElement; otherwise returns false.
+*/
+/*! \fn bool QXmlStreamReader::isEndElement() const
+  Returns true if tokenType() equals \l EndElement; otherwise returns false.
+*/
+/*! \fn bool QXmlStreamReader::isCharacters() const
+  Returns true if tokenType() equals \l Characters; otherwise returns false.
+
+  \sa isWhitespace(), isCDATA()
+*/
+/*! \fn bool QXmlStreamReader::isComment() const
+  Returns true if tokenType() equals \l Comment; otherwise returns false.
+*/
+/*! \fn bool QXmlStreamReader::isDTD() const
+  Returns true if tokenType() equals \l DTD; otherwise returns false.
+*/
+/*! \fn bool QXmlStreamReader::isEntityReference() const
+  Returns true if tokenType() equals \l EntityReference; otherwise returns false.
+*/
+/*! \fn bool QXmlStreamReader::isProcessingInstruction() const
+  Returns true if tokenType() equals \l ProcessingInstruction; otherwise returns false.
+*/
+
+/*!  Returns true if the reader reports characters that only consist
+  of white-space; otherwise returns false.
+
+  \sa isCharacters(), text()
+*/
+bool QXmlStreamReader::isWhitespace() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->type == QXmlStreamReader::Characters && d->isWhitespace;
+}
+
+/*!  Returns true if the reader reports characters that stem from a
+  CDATA section; otherwise returns false.
+
+  \sa isCharacters(), text()
+*/
+bool QXmlStreamReader::isCDATA() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->type == QXmlStreamReader::Characters && d->isCDATA;
+}
+
+
+
+/*!
+  Returns true if this document has been declared standalone in the
+  XML declaration; otherwise returns false.
+
+  If no XML declaration has been parsed, this function returns false.
+ */
+bool QXmlStreamReader::isStandaloneDocument() const
+{
+    Q_D(const QXmlStreamReader);
+    return d->standalone;
+}
+
+
+/*!
+     \since 4.4
+
+     If the state() is \l StartDocument, this function returns the
+     version string as specified in the XML declaration.
+     Otherwise an empty string is returned.
+ */
+QStringRef QXmlStreamReader::documentVersion() const
+{
+   Q_D(const QXmlStreamReader);
+   if (d->type == QXmlStreamReader::StartDocument)
+       return d->documentVersion;
+   return QStringRef();
+}
+
+/*!
+     \since 4.4
+
+     If the state() is \l StartDocument, this function returns the
+     encoding string as specified in the XML declaration.
+     Otherwise an empty string is returned.
+ */
+QStringRef QXmlStreamReader::documentEncoding() const
+{
+   Q_D(const QXmlStreamReader);
+   if (d->type == QXmlStreamReader::StartDocument)
+       return d->documentEncoding;
+   return QStringRef();
+}
+
+#endif // QT_NO_XMLSTREAMREADER
+
+/*!
+  \class QXmlStreamWriter
+  \since 4.3
+  \reentrant
+
+  \brief The QXmlStreamWriter class provides an XML writer with a
+  simple streaming API.
+
+  \mainclass
+  \inmodule QtXml
+  \ingroup xml-tools
+
+  QXmlStreamWriter is the counterpart to QXmlStreamReader for writing
+  XML. Like its related class, it operates on a QIODevice specified
+  with setDevice(). The API is simple and straightforward: for every
+  XML token or event you want to write, the writer provides a
+  specialized function.
+
+  You start a document with writeStartDocument() and end it with
+  writeEndDocument(). This will implicitly close all remaining open
+  tags.
+
+  Element tags are opened with writeStartElement() followed by
+  writeAttribute() or writeAttributes(), element content, and then
+  writeEndElement(). A shorter form writeEmptyElement() can be used
+  to write empty elements, followed by writeAttributes().
+
+  Element content consists of either characters, entity references or
+  nested elements. It is written with writeCharacters(), which also
+  takes care of escaping all forbidden characters and character
+  sequences, writeEntityReference(), or subsequent calls to
+  writeStartElement(). A convenience method writeTextElement() can be
+  used for writing terminal elements that contain nothing but text.
+
+  The following abridged code snippet shows the basic use of the class
+  to write formatted XML with indentation:
+
+  \snippet doc/src/snippets/qxmlstreamwriter/main.cpp start stream
+  \dots
+  \snippet doc/src/snippets/qxmlstreamwriter/main.cpp write element
+  \dots
+  \snippet doc/src/snippets/qxmlstreamwriter/main.cpp finish stream
+
+  QXmlStreamWriter takes care of prefixing namespaces, all you have to
+  do is specify the \c namespaceUri when writing elements or
+  attributes. If you must conform to certain prefixes, you can force
+  the writer to use them by declaring the namespaces manually with
+  either writeNamespace() or writeDefaultNamespace(). Alternatively,
+  you can bypass the stream writer's namespace support and use
+  overloaded methods that take a qualified name instead. The namespace
+  \e http://www.w3.org/XML/1998/namespace is implicit and mapped to the
+  prefix \e xml.
+
+  The stream writer can automatically format the generated XML data by
+  adding line-breaks and indentation to empty sections between
+  elements, making the XML data more readable for humans and easier to
+  work with for most source code management systems. The feature can
+  be turned on with the \l autoFormatting property, and customized
+  with the \l autoFormattingIndent property.
+
+  Other functions are writeCDATA(), writeComment(),
+  writeProcessingInstruction(), and writeDTD(). Chaining of XML
+  streams is supported with writeCurrentToken().
+
+  By default, QXmlStreamWriter encodes XML in UTF-8. Different
+  encodings can be enforced using setCodec().
+
+  The \l{QXmlStream Bookmarks Example} illustrates how to use a
+  subclassed stream writer to write an XML bookmark file (XBEL) that
+  was previously read in by a QXmlStreamReader.
+
+*/
+
+#ifndef QT_NO_XMLSTREAMWRITER
+
+class QXmlStreamWriterPrivate : public QXmlStreamPrivateTagStack {
+    QXmlStreamWriter *q_ptr;
+    Q_DECLARE_PUBLIC(QXmlStreamWriter)
+public:
+    QXmlStreamWriterPrivate(QXmlStreamWriter *q);
+    ~QXmlStreamWriterPrivate() {
+        if (deleteDevice)
+            delete device;
+#ifndef QT_NO_TEXTCODEC
+        delete encoder;
+#endif
+    }
+
+    void write(const QStringRef &);
+    void write(const QString &);
+    void writeEscaped(const QString &, bool escapeWhitespace = false);
+    void write(const char *s);
+    bool finishStartElement(bool contents = true);
+    void writeStartElement(const QString &namespaceUri, const QString &name);
+    QIODevice *device;
+    QString *stringDevice;
+    uint deleteDevice :1;
+    uint inStartElement :1;
+    uint inEmptyElement :1;
+    uint lastWasStartElement :1;
+    uint wroteSomething :1;
+    uint autoFormatting :1;
+    QByteArray autoFormattingIndent;
+    NamespaceDeclaration emptyNamespace;
+    int lastNamespaceDeclaration;
+
+#ifndef QT_NO_TEXTCODEC
+    QTextCodec *codec;
+    QTextEncoder *encoder;
+#endif
+
+    NamespaceDeclaration &findNamespace(const QString &namespaceUri, bool writeDeclaration = false, bool noDefault = false);
+    void writeNamespaceDeclaration(const NamespaceDeclaration &namespaceDeclaration);
+
+    int namespacePrefixCount;
+
+    void indent(int level);
+};
+
+
+QXmlStreamWriterPrivate::QXmlStreamWriterPrivate(QXmlStreamWriter *q)
+    :autoFormattingIndent(4, ' ')
+{
+    q_ptr = q;
+    device = 0;
+    stringDevice = 0;
+    deleteDevice = false;
+#ifndef QT_NO_TEXTCODEC
+    codec = QTextCodec::codecForMib(106); // utf8
+    encoder = codec->makeEncoder();
+    encoder->fromUnicode(QLatin1String("")); // no byte order mark for utf8
+#endif
+    inStartElement = inEmptyElement = false;
+    wroteSomething = false;
+    lastWasStartElement = false;
+    lastNamespaceDeclaration = 1;
+    autoFormatting = false;
+    namespacePrefixCount = 0;
+}
+
+void QXmlStreamWriterPrivate::write(const QStringRef &s)
+{
+    if (device) {
+#ifdef QT_NO_TEXTCODEC
+        device->write(s.toString().toLatin1(), s.size());
+#else
+        device->write(encoder->fromUnicode(s.constData(), s.size()));
+#endif
+    }
+    else if (stringDevice)
+        s.appendTo(stringDevice);
+    else
+        qWarning("QXmlStreamWriter: No device");
+}
+
+void QXmlStreamWriterPrivate::write(const QString &s)
+{
+    if (device) {
+#ifdef QT_NO_TEXTCODEC
+        device->write(s.toLatin1(), s.size());
+#else
+        device->write(encoder->fromUnicode(s));
+#endif
+    }
+    else if (stringDevice)
+        stringDevice->append(s);
+    else
+        qWarning("QXmlStreamWriter: No device");
+}
+
+void QXmlStreamWriterPrivate::writeEscaped(const QString &s, bool escapeWhitespace)
+{
+    QString escaped;
+    escaped.reserve(s.size());
+    for ( int i = 0; i < s.size(); ++i ) {
+        QChar c = s.at(i);
+        if (c.unicode() == '<' )
+            escaped.append(QLatin1String("&lt;"));
+        else if (c.unicode() == '>' )
+            escaped.append(QLatin1String("&gt;"));
+        else if (c.unicode() == '&' )
+            escaped.append(QLatin1String("&amp;"));
+        else if (c.unicode() == '\"' )
+            escaped.append(QLatin1String("&quot;"));
+        else if (escapeWhitespace && c.isSpace()) {
+            if (c.unicode() == '\n')
+                escaped.append(QLatin1String("&#10;"));
+            else if (c.unicode() == '\r')
+                escaped.append(QLatin1String("&#13;"));
+            else if (c.unicode() == '\t')
+                escaped.append(QLatin1String("&#9;"));
+            else
+                escaped += c;
+        } else {
+            escaped += QChar(c);
+        }
+    }
+    if (device) {
+#ifdef QT_NO_TEXTCODEC
+        device->write(escaped.toLatin1(), escaped.size());
+#else
+        device->write(encoder->fromUnicode(escaped));
+#endif
+    }
+    else if (stringDevice)
+        stringDevice->append(escaped);
+    else
+        qWarning("QXmlStreamWriter: No device");
+}
+
+
+void QXmlStreamWriterPrivate::write(const char *s)
+{
+    if (device) {
+#ifndef QT_NO_TEXTCODEC
+        if (codec->mibEnum() != 106)
+            device->write(encoder->fromUnicode(QLatin1String(s)));
+        else
+#endif
+            device->write(s, strlen(s));
+    } else if (stringDevice) {
+        stringDevice->append(QLatin1String(s));
+    } else
+        qWarning("QXmlStreamWriter: No device");
+}
+
+void QXmlStreamWriterPrivate::writeNamespaceDeclaration(const NamespaceDeclaration &namespaceDeclaration) {
+    if (namespaceDeclaration.prefix.isEmpty()) {
+        write(" xmlns=\"");
+        write(namespaceDeclaration.namespaceUri);
+        write("\"");
+    } else {
+        write(" xmlns:");
+        write(namespaceDeclaration.prefix);
+        write("=\"");
+        write(namespaceDeclaration.namespaceUri);
+        write("\"");
+    }
+}
+
+bool QXmlStreamWriterPrivate::finishStartElement(bool contents)
+{
+    bool hadSomethingWritten = wroteSomething;
+    wroteSomething = contents;
+    if (!inStartElement)
+        return hadSomethingWritten;
+
+    if (inEmptyElement) {
+        write("/>");
+        QXmlStreamWriterPrivate::Tag &tag = tagStack_pop();
+        lastNamespaceDeclaration = tag.namespaceDeclarationsSize;
+        lastWasStartElement = false;
+    } else {
+        write(">");
+    }
+    inStartElement = inEmptyElement = false;
+    lastNamespaceDeclaration = namespaceDeclarations.size();
+    return hadSomethingWritten;
+}
+
+QXmlStreamPrivateTagStack::NamespaceDeclaration &QXmlStreamWriterPrivate::findNamespace(const QString &namespaceUri, bool writeDeclaration, bool noDefault)
+{
+    for (int j = namespaceDeclarations.size() - 1; j >= 0; --j) {
+        NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations[j];
+        if (namespaceDeclaration.namespaceUri == namespaceUri) {
+            if (!noDefault || !namespaceDeclaration.prefix.isEmpty())
+                return namespaceDeclaration;
+        }
+    }
+    if (namespaceUri.isEmpty())
+        return emptyNamespace;
+    NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
+    if (namespaceUri.isEmpty()) {
+        namespaceDeclaration.prefix.clear();
+    } else {
+        QString s;
+        int n = ++namespacePrefixCount;
+        forever {
+            s = QLatin1String("n") + QString::number(n++);
+            int j = namespaceDeclarations.size() - 2;
+            while (j >= 0 && namespaceDeclarations.at(j).prefix != s)
+                --j;
+            if (j < 0)
+                break;
+	}
+        namespaceDeclaration.prefix = addToStringStorage(s);
+    }
+    namespaceDeclaration.namespaceUri = addToStringStorage(namespaceUri);
+    if (writeDeclaration)
+        writeNamespaceDeclaration(namespaceDeclaration);
+    return namespaceDeclaration;
+}
+
+
+
+void QXmlStreamWriterPrivate::indent(int level)
+{
+    write("\n");
+    for (int i = level; i > 0; --i)
+        write(autoFormattingIndent.constData());
+}
+
+
+/*!
+  Constructs a stream writer.
+
+  \sa setDevice()
+ */
+QXmlStreamWriter::QXmlStreamWriter()
+    : d_ptr(new QXmlStreamWriterPrivate(this))
+{
+}
+
+/*!
+  Constructs a stream writer that writes into \a device;
+ */
+QXmlStreamWriter::QXmlStreamWriter(QIODevice *device)
+    : d_ptr(new QXmlStreamWriterPrivate(this))
+{
+    Q_D(QXmlStreamWriter);
+    d->device = device;
+}
+
+/*!  Constructs a stream writer that writes into \a array. This is the
+  same as creating an xml writer that operates on a QBuffer device
+  which in turn operates on \a array.
+ */
+QXmlStreamWriter::QXmlStreamWriter(QByteArray *array)
+    : d_ptr(new QXmlStreamWriterPrivate(this))
+{
+    Q_D(QXmlStreamWriter);
+    d->device = new QBuffer(array);
+    d->device->open(QIODevice::WriteOnly);
+    d->deleteDevice = true;
+}
+
+
+/*!  Constructs a stream writer that writes into \a string.
+ */
+QXmlStreamWriter::QXmlStreamWriter(QString *string)
+    : d_ptr(new QXmlStreamWriterPrivate(this))
+{
+    Q_D(QXmlStreamWriter);
+    d->stringDevice = string;
+}
+
+/*!
+    Destructor.
+*/
+QXmlStreamWriter::~QXmlStreamWriter()
+{
+    Q_D(QXmlStreamWriter);
+    delete d;
+}
+
+
+/*!
+    Sets the current device to \a device. If you want the stream to
+    write into a QByteArray, you can create a QBuffer device.
+
+    \sa device()
+*/
+void QXmlStreamWriter::setDevice(QIODevice *device)
+{
+    Q_D(QXmlStreamWriter);
+    if (device == d->device)
+        return;
+    d->stringDevice = 0;
+    if (d->deleteDevice) {
+        delete d->device;
+        d->deleteDevice = false;
+    }
+    d->device = device;
+}
+
+/*!
+    Returns the current device associated with the QXmlStreamWriter,
+    or 0 if no device has been assigned.
+
+    \sa setDevice()
+*/
+QIODevice *QXmlStreamWriter::device() const
+{
+    Q_D(const QXmlStreamWriter);
+    return d->device;
+}
+
+
+#ifndef QT_NO_TEXTCODEC
+/*!
+    Sets the codec for this stream to \a codec. The codec is used for
+    encoding any data that is written. By default, QXmlStreamWriter
+    uses UTF-8.
+
+    The encoding information is stored in the initial xml tag which
+    gets written when you call writeStartDocument(). Call this
+    function before calling writeStartDocument().
+
+    \sa codec()
+*/
+void QXmlStreamWriter::setCodec(QTextCodec *codec)
+{
+    Q_D(QXmlStreamWriter);
+    if (codec) {
+        d->codec = codec;
+        delete d->encoder;
+        d->encoder = codec->makeEncoder();
+        if (codec->mibEnum() == 106)
+            d->encoder->fromUnicode(QLatin1String("")); // no byte order mark for utf8
+    }
+}
+
+/*!
+    Sets the codec for this stream to the QTextCodec for the encoding
+    specified by \a codecName. Common values for \c codecName include
+    "ISO 8859-1", "UTF-8", and "UTF-16". If the encoding isn't
+    recognized, nothing happens.
+
+    \sa QTextCodec::codecForName()
+*/
+void QXmlStreamWriter::setCodec(const char *codecName)
+{
+    setCodec(QTextCodec::codecForName(codecName));
+}
+
+/*!
+    Returns the codec that is currently assigned to the stream.
+
+    \sa setCodec()
+*/
+QTextCodec *QXmlStreamWriter::codec() const
+{
+    Q_D(const QXmlStreamWriter);
+    return d->codec;
+}
+#endif // QT_NO_TEXTCODEC
+
+/*!
+    \property  QXmlStreamWriter::autoFormatting
+    \since 4.4
+    the auto-formatting flag of the stream writer
+
+    This property controls whether or not the stream writer
+    automatically formats the generated XML data. If enabled, the
+    writer automatically adds line-breaks and indentation to empty
+    sections between elements (ignorable whitespace). The main purpose
+    of auto-formatting is to split the data into several lines, and to
+    increase readability for a human reader. The indentation depth can
+    be controlled through the \l autoFormattingIndent property.
+
+    By default, auto-formatting is disabled.
+*/
+
+/*!
+ \since 4.4
+
+ Enables auto formatting if \a enable is \c true, otherwise
+ disables it.
+
+ The default value is \c false.
+ */
+void QXmlStreamWriter::setAutoFormatting(bool enable)
+{
+    Q_D(QXmlStreamWriter);
+    d->autoFormatting = enable;
+}
+
+/*!
+ \since 4.4
+
+ Returns \c true if auto formattting is enabled, otherwise \c false.
+ */
+bool QXmlStreamWriter::autoFormatting() const
+{
+    Q_D(const QXmlStreamWriter);
+    return d->autoFormatting;
+}
+
+/*!
+    \property QXmlStreamWriter::autoFormattingIndent
+    \since 4.4
+
+    \brief the number of spaces or tabs used for indentation when
+    auto-formatting is enabled.  Positive numbers indicate spaces,
+    negative numbers tabs.
+
+    The default indentation is 4.
+
+    \sa autoFormatting
+*/
+
+
+void QXmlStreamWriter::setAutoFormattingIndent(int spacesOrTabs)
+{
+    Q_D(QXmlStreamWriter);
+    d->autoFormattingIndent = QByteArray(qAbs(spacesOrTabs), spacesOrTabs >= 0 ? ' ' : '\t');
+}
+
+int QXmlStreamWriter::autoFormattingIndent() const
+{
+    Q_D(const QXmlStreamWriter);
+    return d->autoFormattingIndent.count(' ') - d->autoFormattingIndent.count('\t');
+}
+
+
+/*!
+  \overload
+  Writes an attribute with \a qualifiedName and \a value.
+
+
+  This function can only be called after writeStartElement() before
+  any content is written, or after writeEmptyElement().
+ */
+void QXmlStreamWriter::writeAttribute(const QString &qualifiedName, const QString &value)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(d->inStartElement);
+    Q_ASSERT(qualifiedName.count(QLatin1Char(':')) <= 1);
+    d->write(" ");
+    d->write(qualifiedName);
+    d->write("=\"");
+    d->writeEscaped(value, true);
+    d->write("\"");
+}
+
+/*!  Writes an attribute with \a name and \a value, prefixed for
+  the specified \a namespaceUri. If the namespace has not been
+  declared yet, QXmlStreamWriter will generate a namespace declaration
+  for it.
+
+  This function can only be called after writeStartElement() before
+  any content is written, or after writeEmptyElement().
+ */
+void QXmlStreamWriter::writeAttribute(const QString &namespaceUri, const QString &name, const QString &value)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(d->inStartElement);
+    Q_ASSERT(!name.contains(QLatin1Char(':')));
+    QXmlStreamWriterPrivate::NamespaceDeclaration &namespaceDeclaration = d->findNamespace(namespaceUri, true, true);
+    d->write(" ");
+    if (!namespaceDeclaration.prefix.isEmpty()) {
+        d->write(namespaceDeclaration.prefix);
+        d->write(":");
+    }
+    d->write(name);
+    d->write("=\"");
+    d->writeEscaped(value, true);
+    d->write("\"");
+}
+
+/*!
+  \overload
+
+  Writes the \a attribute.
+
+  This function can only be called after writeStartElement() before
+  any content is written, or after writeEmptyElement().
+ */
+void QXmlStreamWriter::writeAttribute(const QXmlStreamAttribute& attribute)
+{
+    if (attribute.namespaceUri().isEmpty())
+        writeAttribute(attribute.qualifiedName().toString(),
+                       attribute.value().toString());
+    else
+        writeAttribute(attribute.namespaceUri().toString(),
+                       attribute.name().toString(),
+                       attribute.value().toString());
+}
+
+
+/*!  Writes the attribute vector \a attributes. If a namespace
+  referenced in an attribute not been declared yet, QXmlStreamWriter
+  will generate a namespace declaration for it.
+
+  This function can only be called after writeStartElement() before
+  any content is written, or after writeEmptyElement().
+
+  \sa writeAttribute(), writeNamespace()
+ */
+void QXmlStreamWriter::writeAttributes(const QXmlStreamAttributes& attributes)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(d->inStartElement);
+    Q_UNUSED(d);
+    for (int i = 0; i < attributes.size(); ++i)
+        writeAttribute(attributes.at(i));
+}
+
+
+/*!  Writes \a text as CDATA section. If \a text contains the
+  forbidden character sequence "]]>", it is split into different CDATA
+  sections.
+
+  This function mainly exists for completeness. Normally you should
+  not need use it, because writeCharacters() automatically escapes all
+  non-content characters.
+ */
+void QXmlStreamWriter::writeCDATA(const QString &text)
+{
+    Q_D(QXmlStreamWriter);
+    d->finishStartElement();
+    QString copy(text);
+    copy.replace(QLatin1String("]]>"), QLatin1String("]]]]><![CDATA[>"));
+    d->write("<![CDATA[");
+    d->write(copy);
+    d->write("]]>");
+}
+
+
+/*!  Writes \a text. The characters "<", "&", and "\"" are escaped as entity
+  references "&lt;", "&amp;, and "&quot;". To avoid the forbidden sequence
+  "]]>", ">" is also escaped as "&gt;".
+
+  \sa writeEntityReference()
+ */
+void QXmlStreamWriter::writeCharacters(const QString &text)
+{
+    Q_D(QXmlStreamWriter);
+    d->finishStartElement();
+    d->writeEscaped(text);
+}
+
+
+/*!  Writes \a text as XML comment, where \a text must not contain the
+     forbidden sequence "--" or end with "-". Note that XML does not
+     provide any way to escape "-" in a comment.
+ */
+void QXmlStreamWriter::writeComment(const QString &text)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(!text.contains(QLatin1String("--")) && !text.endsWith(QLatin1Char('-')));
+    if (!d->finishStartElement() && d->autoFormatting)
+        d->indent(d->tagStack.size());
+    d->write("<!--");
+    d->write(text);
+    d->write("-->");
+}
+
+
+/*!  Writes a DTD section. The \a dtd represents the entire
+  doctypedecl production from the XML 1.0 specification.
+ */
+void QXmlStreamWriter::writeDTD(const QString &dtd)
+{
+    Q_D(QXmlStreamWriter);
+    d->finishStartElement();
+    if (d->autoFormatting)
+        d->write("\n");
+    d->write(dtd);
+    if (d->autoFormatting)
+        d->write("\n");
+}
+
+
+
+/*!  \overload
+  Writes an empty element with qualified name \a qualifiedName.
+  Subsequent calls to writeAttribute() will add attributes to this element.
+*/
+void QXmlStreamWriter::writeEmptyElement(const QString &qualifiedName)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(qualifiedName.count(QLatin1Char(':')) <= 1);
+    d->writeStartElement(QString(), qualifiedName);
+    d->inEmptyElement = true;
+}
+
+
+/*!  Writes an empty element with \a name, prefixed for the specified
+  \a namespaceUri. If the namespace has not been declared,
+  QXmlStreamWriter will generate a namespace declaration for it.
+  Subsequent calls to writeAttribute() will add attributes to this element.
+
+  \sa writeNamespace()
+ */
+void QXmlStreamWriter::writeEmptyElement(const QString &namespaceUri, const QString &name)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(!name.contains(QLatin1Char(':')));
+    d->writeStartElement(namespaceUri, name);
+    d->inEmptyElement = true;
+}
+
+
+/*!\overload
+  Writes a text element with \a qualifiedName and \a text.
+
+
+  This is a convenience function equivalent to:
+  \snippet doc/src/snippets/code/src_corelib_xml_qxmlstream.cpp 1
+
+*/
+void QXmlStreamWriter::writeTextElement(const QString &qualifiedName, const QString &text)
+{
+    writeStartElement(qualifiedName);
+    writeCharacters(text);
+    writeEndElement();
+}
+
+/*!  Writes a text element with \a name, prefixed for the specified \a
+     namespaceUri, and \a text. If the namespace has not been
+     declared, QXmlStreamWriter will generate a namespace declaration
+     for it.
+
+
+  This is a convenience function equivalent to:
+  \snippet doc/src/snippets/code/src_corelib_xml_qxmlstream.cpp 2
+
+*/
+void QXmlStreamWriter::writeTextElement(const QString &namespaceUri, const QString &name, const QString &text)
+{
+    writeStartElement(namespaceUri, name);
+    writeCharacters(text);
+    writeEndElement();
+}
+
+
+/*!
+  Closes all remaining open start elements and writes a newline.
+
+  \sa writeStartDocument()
+ */
+void QXmlStreamWriter::writeEndDocument()
+{
+    Q_D(QXmlStreamWriter);
+    while (d->tagStack.size())
+        writeEndElement();
+    d->write("\n");
+}
+
+/*!
+  Closes the previous start element.
+
+  \sa writeStartElement()
+ */
+void QXmlStreamWriter::writeEndElement()
+{
+    Q_D(QXmlStreamWriter);
+    if (d->tagStack.isEmpty())
+        return;
+
+    // shortcut: if nothing was written, close as empty tag
+    if (d->inStartElement && !d->inEmptyElement) {
+        d->write("/>");
+        d->lastWasStartElement = d->inStartElement = false;
+        QXmlStreamWriterPrivate::Tag &tag = d->tagStack_pop();
+        d->lastNamespaceDeclaration = tag.namespaceDeclarationsSize;
+        return;
+    }
+
+    if (!d->finishStartElement(false) && !d->lastWasStartElement && d->autoFormatting)
+        d->indent(d->tagStack.size()-1);
+    if (d->tagStack.isEmpty())
+        return;
+    d->lastWasStartElement = false;
+    QXmlStreamWriterPrivate::Tag &tag = d->tagStack_pop();
+    d->lastNamespaceDeclaration = tag.namespaceDeclarationsSize;
+    d->write("</");
+    if (!tag.namespaceDeclaration.prefix.isEmpty()) {
+        d->write(tag.namespaceDeclaration.prefix);
+        d->write(":");
+    }
+    d->write(tag.name);
+    d->write(">");
+}
+
+
+
+/*!
+  Writes the entity reference \a name to the stream, as "&\a{name};".
+ */
+void QXmlStreamWriter::writeEntityReference(const QString &name)
+{
+    Q_D(QXmlStreamWriter);
+    d->finishStartElement();
+    d->write("&");
+    d->write(name);
+    d->write(";");
+}
+
+
+/*!  Writes a namespace declaration for \a namespaceUri with \a
+  prefix. If \a prefix is empty, QXmlStreamWriter assigns a unique
+  prefix consisting of the letter 'n' followed by a number.
+
+  If writeStartElement() or writeEmptyElement() was called, the
+  declaration applies to the current element; otherwise it applies to
+  the next child element.
+
+  Note that the prefix \e xml is both predefined and reserved for
+  \e http://www.w3.org/XML/1998/namespace, which in turn cannot be
+  bound to any other prefix. The prefix \e xmlns and its URI
+  \e http://www.w3.org/2000/xmlns/ are used for the namespace mechanism
+  itself and thus completely forbidden in declarations.
+
+ */
+void QXmlStreamWriter::writeNamespace(const QString &namespaceUri, const QString &prefix)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(!namespaceUri.isEmpty());
+    Q_ASSERT(prefix != QLatin1String("xmlns"));
+    if (prefix.isEmpty()) {
+        d->findNamespace(namespaceUri, d->inStartElement);
+    } else {
+        Q_ASSERT(!((prefix == QLatin1String("xml")) ^ (namespaceUri == QLatin1String("http://www.w3.org/XML/1998/namespace"))));
+        Q_ASSERT(namespaceUri != QLatin1String("http://www.w3.org/2000/xmlns/"));
+        QXmlStreamWriterPrivate::NamespaceDeclaration &namespaceDeclaration = d->namespaceDeclarations.push();
+        namespaceDeclaration.prefix = d->addToStringStorage(prefix);
+        namespaceDeclaration.namespaceUri = d->addToStringStorage(namespaceUri);
+        if (d->inStartElement)
+            d->writeNamespaceDeclaration(namespaceDeclaration);
+    }
+}
+
+
+/*! Writes a default namespace declaration for \a namespaceUri.
+
+  If writeStartElement() or writeEmptyElement() was called, the
+  declaration applies to the current element; otherwise it applies to
+  the next child element.
+
+  Note that the namespaces \e http://www.w3.org/XML/1998/namespace
+  (bound to \e xmlns) and \e http://www.w3.org/2000/xmlns/ (bound to
+  \e xml) by definition cannot be declared as default.
+ */
+void QXmlStreamWriter::writeDefaultNamespace(const QString &namespaceUri)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(namespaceUri != QLatin1String("http://www.w3.org/XML/1998/namespace"));
+    Q_ASSERT(namespaceUri != QLatin1String("http://www.w3.org/2000/xmlns/"));
+    QXmlStreamWriterPrivate::NamespaceDeclaration &namespaceDeclaration = d->namespaceDeclarations.push();
+    namespaceDeclaration.prefix.clear();
+    namespaceDeclaration.namespaceUri = d->addToStringStorage(namespaceUri);
+    if (d->inStartElement)
+        d->writeNamespaceDeclaration(namespaceDeclaration);
+}
+
+
+/*!
+  Writes an XML processing instruction with \a target and \a data,
+  where \a data must not contain the sequence "?>".
+ */
+void QXmlStreamWriter::writeProcessingInstruction(const QString &target, const QString &data)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(!data.contains(QLatin1String("?>")));
+    d->finishStartElement();
+    d->write("<?");
+    d->write(target);
+    if (!data.isNull()) {
+        d->write(" ");
+        d->write(data);
+    }
+    d->write("?>");
+}
+
+
+
+/*!\overload
+
+  Writes a document start with XML version number "1.0". This also
+  writes the encoding information.
+
+  \sa writeEndDocument(), setCodec()
+  \since 4.5
+ */
+void QXmlStreamWriter::writeStartDocument()
+{
+    writeStartDocument(QLatin1String("1.0"));
+}
+
+
+/*!
+  Writes a document start with the XML version number \a version.
+
+  \sa writeEndDocument()
+ */
+void QXmlStreamWriter::writeStartDocument(const QString &version)
+{
+    Q_D(QXmlStreamWriter);
+    d->finishStartElement(false);
+    d->write("<?xml version=\"");
+    d->write(version);
+    if (d->device) { // stringDevice does not get any encoding
+        d->write("\" encoding=\"");
+#ifdef QT_NO_TEXTCODEC
+        d->write("iso-8859-1");
+#else
+        d->write(d->codec->name().constData());
+#endif
+    }
+    d->write("\"?>");
+}
+
+/*!  Writes a document start with the XML version number \a version
+  and a standalone attribute \a standalone.
+
+  \sa writeEndDocument()
+  \since 4.5
+ */
+void QXmlStreamWriter::writeStartDocument(const QString &version, bool standalone)
+{
+    Q_D(QXmlStreamWriter);
+    d->finishStartElement(false);
+    d->write("<?xml version=\"");
+    d->write(version);
+    if (d->device) { // stringDevice does not get any encoding
+        d->write("\" encoding=\"");
+#ifdef QT_NO_TEXTCODEC
+        d->write("iso-8859-1");
+#else
+        d->write(d->codec->name().constData());
+#endif
+    }
+    d->write("\" standalone=\"");
+    d->write(standalone ? "yes" : "no");
+    d->write("\"?>");
+}
+
+
+/*!\overload
+
+   Writes a start element with \a qualifiedName. Subsequent calls to
+   writeAttribute() will add attributes to this element.
+
+   \sa writeEndElement(), writeEmptyElement()
+ */
+void QXmlStreamWriter::writeStartElement(const QString &qualifiedName)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(qualifiedName.count(QLatin1Char(':')) <= 1);
+    d->writeStartElement(QString(), qualifiedName);
+}
+
+
+/*!  Writes a start element with \a name, prefixed for the specified
+  \a namespaceUri. If the namespace has not been declared yet,
+  QXmlStreamWriter will generate a namespace declaration for
+  it. Subsequent calls to writeAttribute() will add attributes to this
+  element.
+
+  \sa writeNamespace(), writeEndElement(), writeEmptyElement()
+ */
+void QXmlStreamWriter::writeStartElement(const QString &namespaceUri, const QString &name)
+{
+    Q_D(QXmlStreamWriter);
+    Q_ASSERT(!name.contains(QLatin1Char(':')));
+    d->writeStartElement(namespaceUri, name);
+}
+
+void QXmlStreamWriterPrivate::writeStartElement(const QString &namespaceUri, const QString &name)
+{
+    if (!finishStartElement(false) && autoFormatting)
+        indent(tagStack.size());
+
+    Tag &tag = tagStack_push();
+    tag.name = addToStringStorage(name);
+    tag.namespaceDeclaration = findNamespace(namespaceUri);
+    write("<");
+    if (!tag.namespaceDeclaration.prefix.isEmpty()) {
+        write(tag.namespaceDeclaration.prefix);
+        write(":");
+    }
+    write(tag.name);
+    inStartElement = lastWasStartElement = true;
+
+    for (int i = lastNamespaceDeclaration; i < namespaceDeclarations.size(); ++i)
+        writeNamespaceDeclaration(namespaceDeclarations[i]);
+    tag.namespaceDeclarationsSize = lastNamespaceDeclaration;
+}
+
+#ifndef QT_NO_XMLSTREAMREADER
+/*!  Writes the current state of the \a reader. All possible valid
+  states are supported.
+
+  The purpose of this function is to support chained processing of XML data.
+
+  \sa QXmlStreamReader::tokenType()
+ */
+void QXmlStreamWriter::writeCurrentToken(const QXmlStreamReader &reader)
+{
+    switch (reader.tokenType()) {
+    case QXmlStreamReader::NoToken:
+        break;
+    case QXmlStreamReader::StartDocument:
+        writeStartDocument();
+        break;
+    case QXmlStreamReader::EndDocument:
+        writeEndDocument();
+        break;
+    case QXmlStreamReader::StartElement: {
+        QXmlStreamNamespaceDeclarations namespaceDeclarations = reader.namespaceDeclarations();
+        for (int i = 0; i < namespaceDeclarations.size(); ++i) {
+            const QXmlStreamNamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.at(i);
+            writeNamespace(namespaceDeclaration.namespaceUri().toString(),
+                           namespaceDeclaration.prefix().toString());
+        }
+        writeStartElement(reader.namespaceUri().toString(), reader.name().toString());
+        writeAttributes(reader.attributes());
+             } break;
+    case QXmlStreamReader::EndElement:
+        writeEndElement();
+        break;
+    case QXmlStreamReader::Characters:
+        if (reader.isCDATA())
+            writeCDATA(reader.text().toString());
+        else
+            writeCharacters(reader.text().toString());
+        break;
+    case QXmlStreamReader::Comment:
+        writeComment(reader.text().toString());
+        break;
+    case QXmlStreamReader::DTD:
+        writeDTD(reader.text().toString());
+        break;
+    case QXmlStreamReader::EntityReference:
+        writeEntityReference(reader.name().toString());
+        break;
+    case QXmlStreamReader::ProcessingInstruction:
+        writeProcessingInstruction(reader.processingInstructionTarget().toString(),
+                                   reader.processingInstructionData().toString());
+        break;
+    default:
+        Q_ASSERT(reader.tokenType() != QXmlStreamReader::Invalid);
+        qWarning("QXmlStreamWriter: writeCurrentToken() with invalid state.");
+        break;
+    }
+}
+
+/*!
+ \fn bool QXmlStreamAttributes::hasAttribute(const QString &qualifiedName) const
+ \since 4.5
+
+ Returns true if this QXmlStreamAttributes has an attribute whose
+ qualified name is \a qualifiedName; otherwise returns false.
+
+ Note that this is not namespace aware. For instance, if this
+ QXmlStreamAttributes contains an attribute whose lexical name is "xlink:href"
+ this doesn't tell that an attribute named \c href in the XLink namespace is
+ present, since the \c xlink prefix can be bound to any namespace. Use the
+ overload that takes a namespace URI and a local name as parameter, for
+ namespace aware code.
+*/
+
+/*!
+ \fn bool QXmlStreamAttributes::hasAttribute(const QLatin1String &qualifiedName) const
+ \overload
+ \since 4.5
+*/
+
+/*!
+ \fn bool QXmlStreamAttributes::hasAttribute(const QString &namespaceUri,
+                                             const QString &name) const
+ \overload
+ \since 4.5
+
+ Returns true if this QXmlStreamAttributes has an attribute whose
+ namespace URI and name correspond to \a namespaceUri and \a name;
+ otherwise returns false.
+*/
+
+#endif // QT_NO_XMLSTREAMREADER
+#endif // QT_NO_XMLSTREAMWRITER
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_XMLSTREAM
diff --git a/src/corelib/xml/qxmlstream.g b/src/corelib/xml/qxmlstream.g
new file mode 100644
index 0000000000..0cc744e5c9
--- /dev/null
+++ b/src/corelib/xml/qxmlstream.g
@@ -0,0 +1,1846 @@
+----------------------------------------------------------------------------
+--
+-- Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+-- Contact: Qt Software Information (qt-info@nokia.com)
+--
+-- This file is part of the QtCore module of the Qt Toolkit.
+--
+-- $QT_BEGIN_LICENSE:LGPL$
+-- No Commercial Usage
+-- This file contains pre-release code and may not be distributed.
+-- You may use this file in accordance with the terms and conditions
+-- contained in the either Technology Preview License Agreement or the
+-- Beta Release License Agreement.
+--
+-- GNU Lesser General Public License Usage
+-- Alternatively, this file may be used under the terms of the GNU Lesser
+-- General Public License version 2.1 as published by the Free Software
+-- Foundation and appearing in the file LICENSE.LGPL included in the
+-- packaging of this file.  Please review the following information to
+-- ensure the GNU Lesser General Public License version 2.1 requirements
+-- will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+--
+-- In addition, as a special exception, Nokia gives you certain
+-- additional rights. These rights are described in the Nokia Qt LGPL
+-- Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+-- package.
+--
+-- GNU General Public License Usage
+-- Alternatively, this file may be used under the terms of the GNU
+-- General Public License version 3.0 as published by the Free Software
+-- Foundation and appearing in the file LICENSE.GPL included in the
+-- packaging of this file.  Please review the following information to
+-- ensure the GNU General Public License version 3.0 requirements will be
+-- met: http://www.gnu.org/copyleft/gpl.html.
+--
+-- If you are unsure which license is appropriate for your use, please
+-- contact the sales department at qt-sales@nokia.com.
+-- $QT_END_LICENSE$
+--
+-- This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+-- WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+--
+----------------------------------------------------------------------------
+
+%parser QXmlStreamReader_Table
+
+%merged_output qxmlstream_p.h
+
+%token NOTOKEN
+%token SPACE " "
+%token LANGLE "<"
+%token RANGLE ">"
+%token AMPERSAND "&"
+%token HASH "#"
+%token QUOTE "\'"
+%token DBLQUOTE "\""
+%token LBRACK "["
+%token RBRACK "]"
+%token LPAREN "("
+%token RPAREN ")"
+%token PIPE "|"
+%token EQ "="
+%token PERCENT "%"
+%token SLASH "/"
+%token COLON ":"
+%token SEMICOLON ";"
+%token COMMA ","
+%token DASH "-"
+%token PLUS "+"
+%token STAR "*"
+%token DOT "."
+%token QUESTIONMARK "?"
+%token BANG "!"
+%token LETTER "[a-zA-Z]"
+%token DIGIT "[0-9]"
+
+-- after langle_bang
+%token CDATA_START "[CDATA["
+%token DOCTYPE "DOCTYPE"
+%token ELEMENT "ELEMENT"
+%token ATTLIST "ATTLIST"
+%token ENTITY "ENTITY"
+%token NOTATION "NOTATION"
+
+-- entity decl
+%token SYSTEM "SYSTEM"
+%token PUBLIC "PUBLIC"
+%token NDATA "NDATA"
+
+-- default decl
+%token REQUIRED "REQUIRED"
+%token IMPLIED "IMPLIED"
+%token FIXED "FIXED"
+
+-- conent spec
+%token EMPTY "EMPTY"
+%token ANY "ANY"
+%token PCDATA "PCDATA"
+
+-- error
+%token ERROR
+
+-- entities
+%token PARSE_ENTITY
+%token ENTITY_DONE
+%token UNRESOLVED_ENTITY
+
+-- att type
+%token CDATA "CDATA"
+%token ID "ID"
+%token IDREF "IDREF"
+%token IDREFS "IDREFS"
+%token ENTITY "ENTITY"
+%token ENTITIES "ENTITIES"
+%token NMTOKEN "NMTOKEN"
+%token NMTOKENS "NMTOKENS"
+
+-- xml declaration
+%token XML "<?xml"
+%token VERSION "version"
+
+%nonassoc SHIFT_THERE
+%nonassoc AMPERSAND
+          BANG
+          COLON
+          COMMA
+          DASH
+          DBLQUOTE
+          DIGIT
+          DOT
+          ENTITY_DONE
+          EQ
+          HASH
+          LBRACK
+          LETTER
+          LPAREN
+          PERCENT
+          PIPE
+          PLUS
+          QUESTIONMARK
+          QUOTE
+          RANGLE
+          RBRACK
+          RPAREN
+          SEMICOLON
+          SLASH
+          SPACE
+          STAR
+
+%start document
+
+/.
+template <typename T> class QXmlStreamSimpleStack {
+    T *data;
+    int tos, cap;
+public:
+    inline QXmlStreamSimpleStack():data(0), tos(-1), cap(0){}
+    inline ~QXmlStreamSimpleStack(){ if (data) qFree(data); }
+
+    inline void reserve(int extraCapacity) {
+        if (tos + extraCapacity + 1 > cap) {
+            cap = qMax(tos + extraCapacity + 1, cap << 1 );
+            data = reinterpret_cast<T *>(qRealloc(data, cap * sizeof(T)));
+        }
+    }
+
+    inline T &push() { reserve(1); return data[++tos]; }
+    inline T &rawPush() { return data[++tos]; }
+    inline const T &top() const { return data[tos]; }
+    inline T &top() { return data[tos]; }
+    inline T &pop() { return data[tos--]; }
+    inline T &operator[](int index) { return data[index]; }
+    inline const T &at(int index) const { return data[index]; }
+    inline int size() const { return tos + 1; }
+    inline void resize(int s) { tos = s - 1; }
+    inline bool isEmpty() const { return tos < 0; }
+    inline void clear() { tos = -1; }
+};
+
+
+class QXmlStream
+{
+    Q_DECLARE_TR_FUNCTIONS(QXmlStream)
+};
+
+class QXmlStreamPrivateTagStack {
+public:
+    struct NamespaceDeclaration
+    {
+        QStringRef prefix;
+        QStringRef namespaceUri;
+    };
+
+    struct Tag
+    {
+        QStringRef name;
+        QStringRef qualifiedName;
+        NamespaceDeclaration namespaceDeclaration;
+        int tagStackStringStorageSize;
+        int namespaceDeclarationsSize;
+    };
+
+
+    QXmlStreamPrivateTagStack();
+    QXmlStreamSimpleStack<NamespaceDeclaration> namespaceDeclarations;
+    QString tagStackStringStorage;
+    int tagStackStringStorageSize;
+    bool tagsDone;
+
+    inline QStringRef addToStringStorage(const QStringRef &s) {
+        int pos = tagStackStringStorageSize;
+	int sz = s.size();
+	if (pos != tagStackStringStorage.size())
+	    tagStackStringStorage.resize(pos);
+        tagStackStringStorage.insert(pos, s.unicode(), sz);
+        tagStackStringStorageSize += sz;
+        return QStringRef(&tagStackStringStorage, pos, sz);
+    }
+    inline QStringRef addToStringStorage(const QString &s) {
+        int pos = tagStackStringStorageSize;
+	int sz = s.size();
+	if (pos != tagStackStringStorage.size())
+	    tagStackStringStorage.resize(pos);
+        tagStackStringStorage.insert(pos, s.unicode(), sz);
+        tagStackStringStorageSize += sz;
+        return QStringRef(&tagStackStringStorage, pos, sz);
+    }
+
+    QXmlStreamSimpleStack<Tag> tagStack;
+
+
+    inline Tag &tagStack_pop() {
+        Tag& tag = tagStack.pop();
+        tagStackStringStorageSize = tag.tagStackStringStorageSize;
+        namespaceDeclarations.resize(tag.namespaceDeclarationsSize);
+        tagsDone = tagStack.isEmpty();
+        return tag;
+    }
+    inline Tag &tagStack_push() {
+        Tag &tag = tagStack.push();
+        tag.tagStackStringStorageSize = tagStackStringStorageSize;
+        tag.namespaceDeclarationsSize = namespaceDeclarations.size();
+        return tag;
+    }
+};
+
+
+class QXmlStreamEntityResolver;
+
+class QXmlStreamReaderPrivate : public QXmlStreamReader_Table, public QXmlStreamPrivateTagStack{
+    QXmlStreamReader *q_ptr;
+    Q_DECLARE_PUBLIC(QXmlStreamReader)
+public:
+    QXmlStreamReaderPrivate(QXmlStreamReader *q);
+    ~QXmlStreamReaderPrivate();
+    void init();
+
+    QByteArray rawReadBuffer;
+    QByteArray dataBuffer;
+    uchar firstByte;
+    qint64 nbytesread;
+    QString readBuffer;
+    int readBufferPos;
+    QXmlStreamSimpleStack<uint> putStack;
+    struct Entity {
+        Entity(const QString& str = QString())
+            :value(str), external(false), unparsed(false), literal(false),
+             hasBeenParsed(false), isCurrentlyReferenced(false){}
+        static inline Entity createLiteral(const QString &entity)
+            { Entity result(entity); result.literal = result.hasBeenParsed = true; return result; }
+        QString value;
+        uint external : 1;
+        uint unparsed : 1;
+        uint literal : 1;
+        uint hasBeenParsed : 1;
+        uint isCurrentlyReferenced : 1;
+    };
+    QHash<QString, Entity> entityHash;
+    QHash<QString, Entity> parameterEntityHash;
+    QXmlStreamSimpleStack<Entity *>entityReferenceStack;
+    inline bool referenceEntity(Entity &entity) {
+        if (entity.isCurrentlyReferenced) {
+            raiseWellFormedError(QXmlStream::tr("Recursive entity detected."));
+            return false;
+        }
+        entity.isCurrentlyReferenced = true;
+        entityReferenceStack.push() = &entity;
+        injectToken(ENTITY_DONE);
+        return true;
+    }
+
+
+    QIODevice *device;
+    bool deleteDevice;
+#ifndef QT_NO_TEXTCODEC
+    QTextCodec *codec;
+    QTextDecoder *decoder;
+#endif
+    bool atEnd;
+
+    /*!
+      \sa setType()
+     */
+    QXmlStreamReader::TokenType type;
+    QXmlStreamReader::Error error;
+    QString errorString;
+    QString unresolvedEntity;
+
+    qint64 lineNumber, lastLineStart, characterOffset;
+
+
+    void write(const QString &);
+    void write(const char *);
+
+
+    QXmlStreamAttributes attributes;
+    QStringRef namespaceForPrefix(const QStringRef &prefix);
+    void resolveTag();
+    void resolvePublicNamespaces();
+    void resolveDtd();
+    uint resolveCharRef(int symbolIndex);
+    bool checkStartDocument();
+    void startDocument();
+    void parseError();
+    void checkPublicLiteral(const QStringRef &publicId);
+
+    bool scanDtd;
+    QStringRef lastAttributeValue;
+    bool lastAttributeIsCData;
+    struct DtdAttribute {
+        QStringRef tagName;
+        QStringRef attributeQualifiedName;
+        QStringRef attributePrefix;
+        QStringRef attributeName;
+        QStringRef defaultValue;
+        bool isCDATA;
+        bool isNamespaceAttribute;
+    };
+    QXmlStreamSimpleStack<DtdAttribute> dtdAttributes;
+    struct NotationDeclaration {
+        QStringRef name;
+        QStringRef publicId;
+        QStringRef systemId;
+    };
+    QXmlStreamSimpleStack<NotationDeclaration> notationDeclarations;
+    QXmlStreamNotationDeclarations publicNotationDeclarations;
+    QXmlStreamNamespaceDeclarations publicNamespaceDeclarations;
+
+    struct EntityDeclaration {
+        QStringRef name;
+        QStringRef notationName;
+        QStringRef publicId;
+        QStringRef systemId;
+        QStringRef value;
+        bool parameter;
+        bool external;
+        inline void clear() {
+            name.clear();
+            notationName.clear();
+            publicId.clear();
+            systemId.clear();
+            value.clear();
+            parameter = external = false;
+        }
+    };
+    QXmlStreamSimpleStack<EntityDeclaration> entityDeclarations;
+    QXmlStreamEntityDeclarations publicEntityDeclarations;
+
+    QStringRef text;
+
+    QStringRef prefix, namespaceUri, qualifiedName, name;
+    QStringRef processingInstructionTarget, processingInstructionData;
+    QStringRef dtdName, dtdPublicId, dtdSystemId;
+    QStringRef documentVersion, documentEncoding;
+    uint isEmptyElement : 1;
+    uint isWhitespace : 1;
+    uint isCDATA : 1;
+    uint standalone : 1;
+    uint hasCheckedStartDocument : 1;
+    uint normalizeLiterals : 1;
+    uint hasSeenTag : 1;
+    uint inParseEntity : 1;
+    uint referenceToUnparsedEntityDetected : 1;
+    uint referenceToParameterEntityDetected : 1;
+    uint hasExternalDtdSubset : 1;
+    uint lockEncoding : 1;
+    uint namespaceProcessing : 1;
+
+    int resumeReduction;
+    void resume(int rule);
+
+    inline bool entitiesMustBeDeclared() const {
+        return (!inParseEntity
+                && (standalone
+                    || (!referenceToUnparsedEntityDetected
+                        && !referenceToParameterEntityDetected // Errata 13 as of 2006-04-25
+                        && !hasExternalDtdSubset)));
+    }
+
+    // qlalr parser
+    int tos;
+    int stack_size;
+    struct Value {
+        int pos;
+        int len;
+        int prefix;
+        ushort c;
+    };
+
+    Value *sym_stack;
+    int *state_stack;
+    inline void reallocateStack();
+    inline Value &sym(int index) const
+    { return sym_stack[tos + index - 1]; }
+    QString textBuffer;
+    inline void clearTextBuffer() {
+        if (!scanDtd) {
+            textBuffer.resize(0);
+            textBuffer.reserve(256);
+        }
+    }
+    struct Attribute {
+        Value key;
+        Value value;
+    };
+    QXmlStreamSimpleStack<Attribute> attributeStack;
+
+    inline QStringRef symString(int index) {
+        const Value &symbol = sym(index);
+        return QStringRef(&textBuffer, symbol.pos + symbol.prefix, symbol.len - symbol.prefix);
+    }
+    inline QStringRef symName(int index) {
+        const Value &symbol = sym(index);
+        return QStringRef(&textBuffer, symbol.pos, symbol.len);
+    }
+    inline QStringRef symString(int index, int offset) {
+        const Value &symbol = sym(index);
+        return QStringRef(&textBuffer, symbol.pos + symbol.prefix + offset, symbol.len - symbol.prefix -  offset);
+    }
+    inline QStringRef symPrefix(int index) {
+        const Value &symbol = sym(index);
+        if (symbol.prefix)
+            return QStringRef(&textBuffer, symbol.pos, symbol.prefix - 1);
+        return QStringRef();
+    }
+    inline QStringRef symString(const Value &symbol) {
+        return QStringRef(&textBuffer, symbol.pos + symbol.prefix, symbol.len - symbol.prefix);
+    }
+    inline QStringRef symName(const Value &symbol) {
+        return QStringRef(&textBuffer, symbol.pos, symbol.len);
+    }
+    inline QStringRef symPrefix(const Value &symbol) {
+        if (symbol.prefix)
+            return QStringRef(&textBuffer, symbol.pos, symbol.prefix - 1);
+        return QStringRef();
+    }
+
+    inline void clearSym() { Value &val = sym(1); val.pos = textBuffer.size(); val.len = 0; }
+
+
+    short token;
+    ushort token_char;
+
+    uint filterCarriageReturn();
+    inline uint getChar();
+    inline uint peekChar();
+    inline void putChar(uint c) { putStack.push() = c; }
+    inline void putChar(QChar c) { putStack.push() =  c.unicode(); }
+    void putString(const QString &s, int from = 0);
+    void putStringLiteral(const QString &s);
+    void putReplacement(const QString &s);
+    void putReplacementInAttributeValue(const QString &s);
+    ushort getChar_helper();
+
+    bool scanUntil(const char *str, short tokenToInject = -1);
+    bool scanString(const char *str, short tokenToInject, bool requireSpace = true);
+    inline void injectToken(ushort tokenToInject) {
+        putChar(int(tokenToInject) << 16);
+    }
+
+    QString resolveUndeclaredEntity(const QString &name);
+    void parseEntity(const QString &value);
+    QXmlStreamReaderPrivate *entityParser;
+
+    bool scanAfterLangleBang();
+    bool scanPublicOrSystem();
+    bool scanNData();
+    bool scanAfterDefaultDecl();
+    bool scanAttType();
+
+
+    // scan optimization functions. Not strictly necessary but LALR is
+    // not very well suited for scanning fast
+    int fastScanLiteralContent();
+    int fastScanSpace();
+    int fastScanContentCharList();
+    int fastScanName(int *prefix = 0);
+    inline int fastScanNMTOKEN();
+
+
+    bool parse();
+    inline void consumeRule(int);
+
+    void raiseError(QXmlStreamReader::Error error, const QString& message = QString());
+    void raiseWellFormedError(const QString &message);
+
+    QXmlStreamEntityResolver *entityResolver;
+
+private:
+    /*! \internal
+       Never assign to variable type directly. Instead use this function.
+
+       This prevents errors from being ignored.
+     */
+    inline void setType(const QXmlStreamReader::TokenType t)
+    {
+        if(type != QXmlStreamReader::Invalid)
+            type = t;
+    }
+};
+
+bool QXmlStreamReaderPrivate::parse()
+{
+    // cleanup currently reported token
+
+    switch (type) {
+    case QXmlStreamReader::StartElement:
+        name.clear();
+        prefix.clear();
+	qualifiedName.clear();
+        namespaceUri.clear();
+        if (publicNamespaceDeclarations.size())
+            publicNamespaceDeclarations.clear();
+        if (attributes.size())
+            attributes.resize(0);
+        if (isEmptyElement) {
+            setType(QXmlStreamReader::EndElement);
+            Tag &tag = tagStack_pop();
+            namespaceUri = tag.namespaceDeclaration.namespaceUri;
+            name = tag.name;
+	    qualifiedName = tag.qualifiedName;
+            isEmptyElement = false;
+            return true;
+        }
+        clearTextBuffer();
+        break;
+    case QXmlStreamReader::EndElement:
+        name.clear();
+        prefix.clear();
+	qualifiedName.clear();
+        namespaceUri.clear();
+        clearTextBuffer();
+        break;
+    case QXmlStreamReader::DTD:
+        publicNotationDeclarations.clear();
+        publicEntityDeclarations.clear();
+        dtdName.clear();
+        dtdPublicId.clear();
+        dtdSystemId.clear();
+        // fall through
+    case QXmlStreamReader::Comment:
+    case QXmlStreamReader::Characters:
+        isCDATA = false;
+	isWhitespace = true;
+        text.clear();
+        clearTextBuffer();
+        break;
+    case QXmlStreamReader::EntityReference:
+        text.clear();
+        name.clear();
+        clearTextBuffer();
+        break;
+    case QXmlStreamReader::ProcessingInstruction:
+        processingInstructionTarget.clear();
+        processingInstructionData.clear();
+	clearTextBuffer();
+        break;
+    case QXmlStreamReader::NoToken:
+    case QXmlStreamReader::Invalid:
+        break;
+    case QXmlStreamReader::StartDocument:
+	lockEncoding = true;
+        documentVersion.clear();
+        documentEncoding.clear();
+#ifndef QT_NO_TEXTCODEC
+	if(decoder->hasFailure()) {
+	    raiseWellFormedError(QXmlStream::tr("Encountered incorrectly encoded content."));
+	    readBuffer.clear();
+	    return false;
+	}
+#endif
+        // fall through
+    default:
+        clearTextBuffer();
+        ;
+    }
+
+    setType(QXmlStreamReader::NoToken);
+
+
+    // the main parse loop
+    int act, r;
+
+    if (resumeReduction) {
+        act = state_stack[tos-1];
+        r = resumeReduction;
+        resumeReduction = 0;
+        goto ResumeReduction;
+    }
+
+    act = state_stack[tos];
+
+    forever {
+        if (token == -1 && - TERMINAL_COUNT != action_index[act]) {
+            uint cu = getChar();
+            token = NOTOKEN;
+            token_char = cu;
+            if (cu & 0xff0000) {
+                token = cu >> 16;
+            } else switch (token_char) {
+            case 0xfffe:
+            case 0xffff:
+                token = ERROR;
+                break;
+            case '\r':
+                token = SPACE;
+                if (cu == '\r') {
+                    if ((token_char = filterCarriageReturn())) {
+                        ++lineNumber;
+                        lastLineStart = characterOffset + readBufferPos;
+                        break;
+                    }
+                } else {
+                    break;
+                }
+                // fall through
+            case '\0': {
+                token = EOF_SYMBOL;
+                if (!tagsDone && !inParseEntity) {
+                    int a = t_action(act, token);
+                    if (a < 0) {
+                        raiseError(QXmlStreamReader::PrematureEndOfDocumentError);
+                        return false;
+                    }
+                }
+
+            } break;
+            case '\n':
+                ++lineNumber;
+                lastLineStart = characterOffset + readBufferPos;
+            case ' ':
+            case '\t':
+                token = SPACE;
+                break;
+            case '&':
+                token = AMPERSAND;
+                break;
+            case '#':
+                token = HASH;
+                break;
+            case '\'':
+                token = QUOTE;
+                break;
+            case '\"':
+                token = DBLQUOTE;
+                break;
+            case '<':
+                token = LANGLE;
+                break;
+            case '>':
+                token = RANGLE;
+                break;
+            case '[':
+                token = LBRACK;
+                break;
+            case ']':
+                token = RBRACK;
+                break;
+            case '(':
+                token = LPAREN;
+                break;
+            case ')':
+                token = RPAREN;
+                break;
+            case '|':
+                token = PIPE;
+                break;
+            case '=':
+                token = EQ;
+                break;
+            case '%':
+                token = PERCENT;
+                break;
+            case '/':
+                token = SLASH;
+                break;
+            case ':':
+                token = COLON;
+                break;
+            case ';':
+                token = SEMICOLON;
+                break;
+            case ',':
+                token = COMMA;
+                break;
+            case '-':
+                token = DASH;
+                break;
+            case '+':
+                token = PLUS;
+                break;
+            case '*':
+                token = STAR;
+                break;
+            case '.':
+                token = DOT;
+                break;
+            case '?':
+                token = QUESTIONMARK;
+                break;
+            case '!':
+                token = BANG;
+                break;
+            case '0':
+            case '1':
+            case '2':
+            case '3':
+            case '4':
+            case '5':
+            case '6':
+            case '7':
+            case '8':
+            case '9':
+                token = DIGIT;
+                break;
+            default:
+                if (cu < 0x20)
+                    token = NOTOKEN;
+                else
+                    token = LETTER;
+                break;
+            }
+        }
+
+        act = t_action (act, token);
+        if (act == ACCEPT_STATE) {
+            // reset the parser in case someone resumes (process instructions can follow a valid document)
+            tos = 0;
+            state_stack[tos++] = 0;
+            state_stack[tos] = 0;
+            return true;
+        } else if (act > 0) {
+            if (++tos == stack_size)
+                reallocateStack();
+
+            Value &val = sym_stack[tos];
+            val.c = token_char;
+            val.pos = textBuffer.size();
+            val.prefix = 0;
+            val.len = 1;
+            if (token_char)
+                textBuffer += QChar(token_char);
+
+            state_stack[tos] = act;
+            token = -1;
+
+
+        } else if (act < 0) {
+            r = - act - 1;
+
+#if defined (QLALR_DEBUG)
+            int ridx = rule_index[r];
+            printf ("%3d) %s ::=", r + 1, spell[rule_info[ridx]]);
+            ++ridx;
+            for (int i = ridx; i < ridx + rhs[r]; ++i) {
+                int symbol = rule_info[i];
+                if (const char *name = spell[symbol])
+                    printf (" %s", name);
+                else
+                    printf (" #%d", symbol);
+            }
+            printf ("\n");
+#endif
+
+            tos -= rhs[r];
+            act = state_stack[tos++];
+        ResumeReduction:
+            switch (r) {
+./
+
+document ::= PARSE_ENTITY content;
+/.
+        case $rule_number:
+            setType(QXmlStreamReader::EndDocument);
+        break;
+./
+
+document ::= prolog;
+/.
+        case $rule_number:
+            if (type != QXmlStreamReader::Invalid) {
+                if (hasSeenTag || inParseEntity) {
+                    setType(QXmlStreamReader::EndDocument);
+                } else {
+                    raiseError(QXmlStreamReader::NotWellFormedError, QXmlStream::tr("Start tag expected."));
+                    // reset the parser
+                    tos = 0;
+                    state_stack[tos++] = 0;
+                    state_stack[tos] = 0;
+                    return false;
+                }
+            }
+        break;
+./
+
+
+prolog ::= prolog stag content etag;
+prolog ::= prolog empty_element_tag;
+prolog ::= prolog comment;
+prolog ::= prolog xml_decl;
+prolog ::= prolog processing_instruction;
+prolog ::= prolog doctype_decl;
+prolog ::= prolog SPACE;
+prolog ::=;
+
+entity_done ::= ENTITY_DONE;
+/.
+        case $rule_number:
+            entityReferenceStack.pop()->isCurrentlyReferenced = false;
+            clearSym();
+        break;
+./
+
+
+xml_decl_start ::= XML;
+/.
+        case $rule_number:
+            if (!scanString(spell[VERSION], VERSION, false) && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+xml_decl ::= xml_decl_start VERSION space_opt EQ space_opt literal attribute_list_opt QUESTIONMARK RANGLE;
+/.
+        case $rule_number:
+            setType(QXmlStreamReader::StartDocument);
+            documentVersion = symString(6);
+            startDocument();
+        break;
+./
+
+external_id ::= SYSTEM literal;
+/.
+        case $rule_number:
+            hasExternalDtdSubset = true;
+            dtdSystemId = symString(2);
+        break;
+./
+external_id ::= PUBLIC public_literal space literal;
+/.
+        case $rule_number:
+            checkPublicLiteral(symString(2));
+            dtdPublicId = symString(2);
+            dtdSystemId = symString(4);
+            hasExternalDtdSubset = true;
+        break;
+./
+external_id ::=;
+
+doctype_decl_start ::= langle_bang DOCTYPE qname space;
+/.
+        case $rule_number:
+            if (!scanPublicOrSystem() && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+            dtdName = symString(3);
+        break;
+./
+
+doctype_decl ::= langle_bang DOCTYPE qname RANGLE;
+/.
+        case $rule_number:./
+doctype_decl ::= langle_bang DOCTYPE qname markup space_opt RANGLE;
+/.
+        case $rule_number:
+            dtdName = symString(3);
+            // fall through
+./
+doctype_decl ::= doctype_decl_start external_id space_opt markup space_opt RANGLE;
+/.
+        case $rule_number:./
+doctype_decl ::= doctype_decl_start external_id space_opt RANGLE;
+/.
+        case $rule_number:
+            setType(QXmlStreamReader::DTD);
+            text = &textBuffer;
+        break;
+./
+
+markup_start ::= LBRACK;
+/.
+        case $rule_number:
+            scanDtd = true;
+        break;
+./
+
+markup ::= markup_start markup_list RBRACK;
+/.
+        case $rule_number:
+            scanDtd = false;
+        break;
+./
+
+
+markup_list ::= markup_decl | space | pereference;
+markup_list ::= markup_list markup_decl | markup_list space | markup_list pereference;
+
+markup_decl ::= element_decl | attlist_decl | entity_decl | entity_done | notation_decl | processing_instruction | comment;
+
+
+element_decl_start ::= langle_bang ELEMENT qname space;
+/.
+        case $rule_number:
+            if (!scanString(spell[EMPTY], EMPTY, false)
+                && !scanString(spell[ANY], ANY, false)
+                && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+element_decl ::= element_decl_start content_spec space_opt RANGLE;
+
+
+content_spec ::= EMPTY | ANY | mixed | children;
+
+pcdata_start ::= HASH;
+/.
+        case $rule_number:
+            if (!scanString(spell[PCDATA], PCDATA, false) && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+pcdata ::= pcdata_start PCDATA;
+
+questionmark_or_star_or_plus_opt ::= QUESTIONMARK | STAR | PLUS;
+questionmark_or_star_or_plus_opt ::=;
+
+cp ::= qname questionmark_or_star_or_plus_opt | choice_or_seq questionmark_or_star_or_plus_opt;
+
+cp_pipe_or_comma_list ::= cp space_opt;
+cp_pipe_or_comma_list ::= cp space_opt PIPE space_opt cp_pipe_list space_opt;
+cp_pipe_or_comma_list ::= cp space_opt COMMA space_opt cp_comma_list space_opt;
+cp_pipe_list ::= cp | cp_pipe_list space_opt PIPE space_opt cp;
+cp_comma_list ::= cp | cp_comma_list space_opt COMMA space_opt cp;
+
+
+name_pipe_list ::= PIPE space_opt qname;
+name_pipe_list ::= name_pipe_list space_opt PIPE space_opt qname;
+
+star_opt ::= | STAR;
+
+mixed ::= LPAREN space_opt pcdata space_opt RPAREN star_opt;
+mixed ::= LPAREN space_opt pcdata space_opt name_pipe_list space_opt RPAREN STAR;
+
+choice_or_seq ::= LPAREN space_opt cp_pipe_or_comma_list RPAREN;
+
+children ::= choice_or_seq questionmark_or_star_or_plus_opt;
+
+
+nmtoken_pipe_list ::= nmtoken;
+nmtoken_pipe_list ::= nmtoken_pipe_list space_opt PIPE space_opt nmtoken;
+
+
+att_type ::= CDATA;
+/.
+        case $rule_number: {
+            lastAttributeIsCData = true;
+        } break;
+./
+att_type ::= ID | IDREF | IDREFS | ENTITY | ENTITIES | NMTOKEN | NMTOKENS;
+att_type ::= LPAREN space_opt nmtoken_pipe_list space_opt RPAREN space;
+att_type ::= NOTATION LPAREN space_opt nmtoken_pipe_list space_opt RPAREN space;
+
+
+default_declhash ::= HASH;
+/.
+        case $rule_number:
+            if (!scanAfterDefaultDecl() && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+default_decl ::= default_declhash REQUIRED;
+default_decl ::= default_declhash IMPLIED;
+default_decl ::= attribute_value;
+default_decl ::= default_declhash FIXED space attribute_value;
+attdef_start ::= space qname space;
+/.
+        case $rule_number:
+                sym(1) = sym(2);
+                lastAttributeValue.clear();
+                lastAttributeIsCData = false;
+                if (!scanAttType() && atEnd) {
+                    resume($rule_number);
+                    return false;
+                }
+        break;
+./
+
+attdef ::= attdef_start att_type default_decl;
+/.
+        case $rule_number: {
+            DtdAttribute &dtdAttribute = dtdAttributes.push();
+            dtdAttribute.tagName.clear();
+            dtdAttribute.isCDATA = lastAttributeIsCData;
+            dtdAttribute.attributePrefix = addToStringStorage(symPrefix(1));
+            dtdAttribute.attributeName = addToStringStorage(symString(1));
+            dtdAttribute.attributeQualifiedName = addToStringStorage(symName(1));
+            dtdAttribute.isNamespaceAttribute = (dtdAttribute.attributePrefix == QLatin1String("xmlns")
+                                                 || (dtdAttribute.attributePrefix.isEmpty()
+                                                     && dtdAttribute.attributeName == QLatin1String("xmlns")));
+            if (lastAttributeValue.isNull()) {
+                dtdAttribute.defaultValue.clear();
+            } else {
+                if (dtdAttribute.isCDATA)
+                    dtdAttribute.defaultValue = addToStringStorage(lastAttributeValue);
+                else
+                    dtdAttribute.defaultValue = addToStringStorage(lastAttributeValue.toString().simplified());
+
+            }
+        } break;
+./
+
+attdef_list ::= attdef;
+attdef_list ::= attdef_list attdef;
+
+attlist_decl ::= langle_bang ATTLIST qname space_opt RANGLE;
+attlist_decl ::= langle_bang ATTLIST qname attdef_list space_opt RANGLE;
+/.
+        case $rule_number: {
+            if (referenceToUnparsedEntityDetected && !standalone)
+                break;
+            int n = dtdAttributes.size();
+            QStringRef tagName = addToStringStorage(symName(3));
+            while (n--) {
+                DtdAttribute &dtdAttribute = dtdAttributes[n];
+                if (!dtdAttribute.tagName.isNull())
+                    break;
+                dtdAttribute.tagName = tagName;
+                for (int i = 0; i < n; ++i) {
+                    if ((dtdAttributes[i].tagName.isNull() || dtdAttributes[i].tagName == tagName)
+                        && dtdAttributes[i].attributeQualifiedName == dtdAttribute.attributeQualifiedName) {
+                        dtdAttribute.attributeQualifiedName.clear(); // redefined, delete it
+                        break;
+                    }
+                }
+            }
+        } break;
+./
+
+entity_decl_start ::= langle_bang ENTITY name space;
+/.
+        case $rule_number: {
+            if (!scanPublicOrSystem() && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.push();
+            entityDeclaration.clear();
+            entityDeclaration.name = symString(3);
+        } break;
+./
+
+entity_decl_start ::= langle_bang ENTITY PERCENT space name space;
+/.
+        case $rule_number: {
+            if (!scanPublicOrSystem() && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.push();
+            entityDeclaration.clear();
+            entityDeclaration.name = symString(5);
+            entityDeclaration.parameter = true;
+        } break;
+./
+
+entity_decl_external ::= entity_decl_start SYSTEM literal;
+/.
+        case $rule_number: {
+            if (!scanNData() && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.top();
+            entityDeclaration.systemId = symString(3);
+            entityDeclaration.external = true;
+        } break;
+./
+
+entity_decl_external ::= entity_decl_start PUBLIC public_literal space literal;
+/.
+        case $rule_number: {
+            if (!scanNData() && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.top();
+            checkPublicLiteral((entityDeclaration.publicId = symString(3)));
+            entityDeclaration.systemId = symString(5);
+            entityDeclaration.external = true;
+        } break;
+./
+
+entity_decl ::= entity_decl_external NDATA name space_opt RANGLE;
+/.
+        case $rule_number: {
+            EntityDeclaration &entityDeclaration = entityDeclarations.top();
+            entityDeclaration.notationName = symString(3);
+            if (entityDeclaration.parameter)
+                raiseWellFormedError(QXmlStream::tr("NDATA in parameter entity declaration."));
+        }
+        //fall through
+./
+
+entity_decl ::= entity_decl_external space_opt RANGLE;
+/.
+        case $rule_number:./
+
+entity_decl ::= entity_decl_start entity_value space_opt RANGLE;
+/.
+        case $rule_number: {
+            if (referenceToUnparsedEntityDetected && !standalone) {
+                entityDeclarations.pop();
+                break;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.top();
+            if (!entityDeclaration.external)
+                entityDeclaration.value = symString(2);
+            QString entityName = entityDeclaration.name.toString();
+            QHash<QString, Entity> &hash = entityDeclaration.parameter ? parameterEntityHash : entityHash;
+            if (!hash.contains(entityName)) {
+                Entity entity(entityDeclaration.value.toString());
+                entity.unparsed = (!entityDeclaration.notationName.isNull());
+                entity.external = entityDeclaration.external;
+                hash.insert(entityName, entity);
+            }
+        } break;
+./
+
+
+processing_instruction ::= LANGLE QUESTIONMARK name space;
+/.
+        case $rule_number: {
+            setType(QXmlStreamReader::ProcessingInstruction);
+            int pos = sym(4).pos + sym(4).len;
+            processingInstructionTarget = symString(3);
+            if (scanUntil("?>")) {
+                processingInstructionData = QStringRef(&textBuffer, pos, textBuffer.size() - pos - 2);
+                const QString piTarget(processingInstructionTarget.toString());
+                if (!piTarget.compare(QLatin1String("xml"), Qt::CaseInsensitive)) {
+                    raiseWellFormedError(QXmlStream::tr("XML declaration not at start of document."));
+                }
+                else if(!QXmlUtils::isNCName(piTarget))
+                    raiseWellFormedError(QXmlStream::tr("%1 is an invalid processing instruction name.").arg(piTarget));
+            } else if (type != QXmlStreamReader::Invalid){
+                resume($rule_number);
+                return false;
+            }
+        } break;
+./
+
+processing_instruction ::= LANGLE QUESTIONMARK name QUESTIONMARK RANGLE;
+/.
+        case $rule_number:
+            setType(QXmlStreamReader::ProcessingInstruction);
+            processingInstructionTarget = symString(3);
+            if (!processingInstructionTarget.toString().compare(QLatin1String("xml"), Qt::CaseInsensitive))
+                raiseWellFormedError(QXmlStream::tr("Invalid processing instruction name."));
+        break;
+./
+
+
+langle_bang ::= LANGLE BANG;
+/.
+        case $rule_number:
+            if (!scanAfterLangleBang() && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+comment_start ::= langle_bang DASH DASH;
+/.
+        case $rule_number:
+            if (!scanUntil("--")) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+comment ::= comment_start RANGLE;
+/.
+        case $rule_number: {
+            setType(QXmlStreamReader::Comment);
+            int pos = sym(1).pos + 4;
+            text = QStringRef(&textBuffer, pos, textBuffer.size() - pos - 3);
+        } break;
+./
+
+
+cdata ::= langle_bang CDATA_START;
+/.
+        case $rule_number: {
+            setType(QXmlStreamReader::Characters);
+            isCDATA = true;
+	    isWhitespace = false;
+            int pos = sym(2).pos;
+            if (scanUntil("]]>", -1)) {
+                text = QStringRef(&textBuffer, pos, textBuffer.size() - pos - 3);
+            } else {
+                resume($rule_number);
+                return false;
+            }
+        } break;
+./
+
+notation_decl_start ::= langle_bang NOTATION name space;
+/.
+        case $rule_number: {
+            if (!scanPublicOrSystem() && atEnd) {
+                resume($rule_number);
+                return false;
+            }
+            NotationDeclaration &notationDeclaration = notationDeclarations.push();
+            notationDeclaration.name = symString(3);
+        } break;
+./
+
+notation_decl ::= notation_decl_start SYSTEM literal space_opt RANGLE;
+/.
+        case $rule_number: {
+            NotationDeclaration &notationDeclaration = notationDeclarations.top();
+            notationDeclaration.systemId = symString(3);
+            notationDeclaration.publicId.clear();
+        } break;
+./
+
+notation_decl ::= notation_decl_start PUBLIC public_literal space_opt RANGLE;
+/.
+        case $rule_number: {
+            NotationDeclaration &notationDeclaration = notationDeclarations.top();
+            notationDeclaration.systemId.clear();
+            checkPublicLiteral((notationDeclaration.publicId = symString(3)));
+        } break;
+./
+
+notation_decl ::= notation_decl_start PUBLIC public_literal space literal space_opt RANGLE;
+/.
+        case $rule_number: {
+            NotationDeclaration &notationDeclaration = notationDeclarations.top();
+            checkPublicLiteral((notationDeclaration.publicId = symString(3)));
+            notationDeclaration.systemId = symString(5);
+        } break;
+./
+
+
+
+content_char ::= RANGLE | HASH | LBRACK | RBRACK | LPAREN | RPAREN | PIPE | EQ | PERCENT | SLASH | COLON | SEMICOLON | COMMA | DASH | PLUS | STAR | DOT | QUESTIONMARK | BANG | QUOTE | DBLQUOTE | LETTER | DIGIT;
+
+scan_content_char ::= content_char;
+/.
+        case $rule_number:
+            isWhitespace = false;
+            // fall through
+./
+
+scan_content_char ::= SPACE;
+/.
+        case $rule_number:
+            sym(1).len += fastScanContentCharList();
+            if (atEnd && !inParseEntity) {
+                resume($rule_number);
+                return false;
+            }
+	break;
+./
+
+content_char_list ::= content_char_list char_ref;
+content_char_list ::= content_char_list entity_ref;
+content_char_list ::= content_char_list entity_done;
+content_char_list ::= content_char_list scan_content_char;
+content_char_list ::= char_ref;
+content_char_list ::= entity_ref;
+content_char_list ::= entity_done;
+content_char_list ::= scan_content_char;
+
+
+character_content ::= content_char_list %prec SHIFT_THERE;
+/.
+        case $rule_number:
+	    if (!textBuffer.isEmpty()) {
+                setType(QXmlStreamReader::Characters);
+                text = &textBuffer;
+	    }
+	break;
+./
+
+literal ::= QUOTE QUOTE;
+/.
+        case $rule_number:./
+literal ::= DBLQUOTE DBLQUOTE;
+/.
+        case $rule_number:
+            clearSym();
+        break;
+./
+literal ::= QUOTE literal_content_with_dblquote QUOTE;
+/.
+        case $rule_number:./
+literal ::= DBLQUOTE literal_content_with_quote DBLQUOTE;
+/.
+        case $rule_number:
+            sym(1) = sym(2);
+        break;
+./
+
+literal_content_with_dblquote ::= literal_content_with_dblquote literal_content;
+/.
+        case $rule_number:./
+literal_content_with_quote ::= literal_content_with_quote literal_content;
+/.
+        case $rule_number:./
+literal_content_with_dblquote ::= literal_content_with_dblquote DBLQUOTE;
+/.
+        case $rule_number:./
+literal_content_with_quote ::= literal_content_with_quote QUOTE;
+/.
+        case $rule_number:
+            sym(1).len += sym(2).len;
+        break;
+./
+literal_content_with_dblquote ::= literal_content;
+literal_content_with_quote ::= literal_content;
+literal_content_with_dblquote ::= DBLQUOTE;
+literal_content_with_quote ::= QUOTE;
+
+literal_content_start ::= LETTER | DIGIT | RANGLE | HASH | LBRACK | RBRACK | LPAREN | RPAREN | PIPE | EQ | PERCENT | SLASH | COLON | SEMICOLON | COMMA | DASH | PLUS | STAR | DOT | QUESTIONMARK | BANG;
+
+literal_content_start ::= SPACE;
+/.
+        case $rule_number:
+	    if (normalizeLiterals)
+                textBuffer.data()[textBuffer.size()-1] = QLatin1Char(' ');
+        break;
+./
+
+literal_content ::= literal_content_start;
+/.
+        case $rule_number:
+            sym(1).len += fastScanLiteralContent();
+            if (atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+
+public_literal ::= literal;
+/.
+        case $rule_number: {
+            if (!QXmlUtils::isPublicID(symString(1).toString())) {
+                raiseWellFormedError(QXmlStream::tr("%1 is an invalid PUBLIC identifier.").arg(symString(1).toString()));
+                resume($rule_number);
+                return false;
+            }
+        } break;
+./
+
+entity_value ::= QUOTE QUOTE;
+/.
+        case $rule_number:./
+entity_value ::= DBLQUOTE DBLQUOTE;
+/.
+        case $rule_number:
+            clearSym();
+        break;
+./
+
+entity_value ::= QUOTE entity_value_content_with_dblquote QUOTE;
+/.
+        case $rule_number:./
+entity_value ::= DBLQUOTE entity_value_content_with_quote DBLQUOTE;
+/.
+        case $rule_number:
+	    sym(1) = sym(2);
+        break;
+./
+
+entity_value_content_with_dblquote ::= entity_value_content_with_dblquote entity_value_content;
+/.
+        case $rule_number:./
+entity_value_content_with_quote ::= entity_value_content_with_quote entity_value_content;
+/.
+        case $rule_number:./
+entity_value_content_with_dblquote ::= entity_value_content_with_dblquote DBLQUOTE;
+/.
+        case $rule_number:./
+entity_value_content_with_quote ::= entity_value_content_with_quote QUOTE;
+/.
+        case $rule_number:
+            sym(1).len += sym(2).len;
+        break;
+./
+entity_value_content_with_dblquote ::= entity_value_content;
+entity_value_content_with_quote ::= entity_value_content;
+entity_value_content_with_dblquote ::= DBLQUOTE;
+entity_value_content_with_quote ::= QUOTE;
+
+entity_value_content ::= LETTER | DIGIT | LANGLE | RANGLE | HASH | LBRACK | RBRACK | LPAREN | RPAREN | PIPE | EQ | SLASH | COLON | SEMICOLON | COMMA | SPACE | DASH | PLUS | STAR | DOT | QUESTIONMARK | BANG;
+entity_value_content ::= char_ref | entity_ref_in_entity_value | entity_done;
+
+
+attribute_value ::= QUOTE QUOTE;
+/.
+        case $rule_number:./
+attribute_value ::= DBLQUOTE DBLQUOTE;
+/.
+        case $rule_number:
+            clearSym();
+        break;
+./
+attribute_value ::= QUOTE attribute_value_content_with_dblquote QUOTE;
+/.
+        case $rule_number:./
+attribute_value ::= DBLQUOTE attribute_value_content_with_quote DBLQUOTE;
+/.
+        case $rule_number:
+            sym(1) = sym(2);
+            lastAttributeValue = symString(1);
+        break;
+./
+
+attribute_value_content_with_dblquote ::= attribute_value_content_with_dblquote attribute_value_content;
+/.
+        case $rule_number:./
+attribute_value_content_with_quote ::= attribute_value_content_with_quote attribute_value_content;
+/.
+        case $rule_number:./
+attribute_value_content_with_dblquote ::= attribute_value_content_with_dblquote DBLQUOTE;
+/.
+        case $rule_number:./
+attribute_value_content_with_quote ::= attribute_value_content_with_quote QUOTE;
+/.
+        case $rule_number:
+            sym(1).len += sym(2).len;
+        break;
+./
+attribute_value_content_with_dblquote ::= attribute_value_content | DBLQUOTE;
+attribute_value_content_with_quote ::= attribute_value_content | QUOTE;
+
+attribute_value_content ::= literal_content | char_ref | entity_ref_in_attribute_value | entity_done;
+
+attribute ::= qname space_opt EQ space_opt attribute_value;
+/.
+        case $rule_number: {
+            QStringRef prefix = symPrefix(1);
+            if (prefix.isEmpty() && symString(1) == QLatin1String("xmlns") && namespaceProcessing) {
+                NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
+                namespaceDeclaration.prefix.clear();
+
+                const QStringRef ns(symString(5));
+                if(ns == QLatin1String("http://www.w3.org/2000/xmlns/") ||
+                   ns == QLatin1String("http://www.w3.org/XML/1998/namespace"))
+                    raiseWellFormedError(QXmlStream::tr("Illegal namespace declaration."));
+                else
+                    namespaceDeclaration.namespaceUri = addToStringStorage(ns);
+            } else {
+                Attribute &attribute = attributeStack.push();
+                attribute.key = sym(1);
+                attribute.value = sym(5);
+
+                QStringRef attributeQualifiedName = symName(1);
+                bool normalize = false;
+                for (int a = 0; a < dtdAttributes.size(); ++a) {
+                    DtdAttribute &dtdAttribute = dtdAttributes[a];
+                    if (!dtdAttribute.isCDATA
+                        && dtdAttribute.tagName == qualifiedName
+                        && dtdAttribute.attributeQualifiedName == attributeQualifiedName
+                        ) {
+                        normalize = true;
+                        break;
+                    }
+                }
+                if (normalize) {
+                    // normalize attribute value (simplify and trim)
+                    int pos = textBuffer.size();
+                    int n = 0;
+                    bool wasSpace = true;
+                    for (int i = 0; i < attribute.value.len; ++i) {
+                        QChar c = textBuffer.at(attribute.value.pos + i);
+                        if (c.unicode() == ' ') {
+                            if (wasSpace)
+                                continue;
+                            wasSpace = true;
+                        } else {
+                            wasSpace = false;
+                        }
+                        textBuffer += textBuffer.at(attribute.value.pos + i);
+                        ++n;
+                    }
+                    if (wasSpace)
+                        while (n && textBuffer.at(pos + n - 1).unicode() == ' ')
+                            --n;
+                    attribute.value.pos = pos;
+                    attribute.value.len = n;
+                }
+                if (prefix == QLatin1String("xmlns") && namespaceProcessing) {
+                    NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
+                    QStringRef namespacePrefix = symString(attribute.key);
+                    QStringRef namespaceUri = symString(attribute.value);
+                    attributeStack.pop();
+                    if (((namespacePrefix == QLatin1String("xml"))
+                         ^ (namespaceUri == QLatin1String("http://www.w3.org/XML/1998/namespace")))
+                        || namespaceUri == QLatin1String("http://www.w3.org/2000/xmlns/")
+                        || namespaceUri.isEmpty()
+                        || namespacePrefix == QLatin1String("xmlns"))
+                        raiseWellFormedError(QXmlStream::tr("Illegal namespace declaration."));
+
+                    namespaceDeclaration.prefix = addToStringStorage(namespacePrefix);
+                    namespaceDeclaration.namespaceUri = addToStringStorage(namespaceUri);
+                }
+            }
+        } break;
+./
+
+
+
+attribute_list_opt ::= | space | space attribute_list space_opt;
+attribute_list ::= attribute | attribute_list space attribute;
+
+stag_start ::= LANGLE qname;
+/.
+        case $rule_number: {
+            normalizeLiterals = true;
+            Tag &tag = tagStack_push();
+            prefix = tag.namespaceDeclaration.prefix  = addToStringStorage(symPrefix(2));
+            name = tag.name = addToStringStorage(symString(2));
+            qualifiedName = tag.qualifiedName = addToStringStorage(symName(2));
+            if ((!prefix.isEmpty() && !QXmlUtils::isNCName(prefix)) || !QXmlUtils::isNCName(name))
+                raiseWellFormedError(QXmlStream::tr("Invalid XML name."));
+        } break;
+./
+
+
+empty_element_tag ::= stag_start attribute_list_opt SLASH RANGLE;
+/.
+        case $rule_number:
+            isEmptyElement = true;
+        // fall through
+./
+
+
+stag ::= stag_start attribute_list_opt RANGLE;
+/.
+        case $rule_number:
+            setType(QXmlStreamReader::StartElement);
+            resolveTag();
+            if (tagStack.size() == 1 && hasSeenTag && !inParseEntity)
+                raiseWellFormedError(QXmlStream::tr("Extra content at end of document."));
+            hasSeenTag = true;
+        break;
+./
+
+
+etag ::= LANGLE SLASH qname space_opt RANGLE;
+/.
+        case $rule_number: {
+            setType(QXmlStreamReader::EndElement);
+            Tag &tag = tagStack_pop();
+
+            namespaceUri = tag.namespaceDeclaration.namespaceUri;
+            name = tag.name;
+            qualifiedName = tag.qualifiedName;
+            if (qualifiedName != symName(3))
+                raiseWellFormedError(QXmlStream::tr("Opening and ending tag mismatch."));
+        } break;
+./
+
+
+unresolved_entity ::= UNRESOLVED_ENTITY;
+/.
+        case $rule_number:
+            if (entitiesMustBeDeclared()) {
+                raiseWellFormedError(QXmlStream::tr("Entity '%1' not declared.").arg(unresolvedEntity));
+                break;
+            }
+            setType(QXmlStreamReader::EntityReference);
+            name = &unresolvedEntity;
+	break;
+./
+
+entity_ref ::= AMPERSAND name SEMICOLON;
+/.
+        case $rule_number: {
+            sym(1).len += sym(2).len + 1;
+            QString reference = symString(2).toString();
+            if (entityHash.contains(reference)) {
+                Entity &entity = entityHash[reference];
+                if (entity.unparsed) {
+                    raiseWellFormedError(QXmlStream::tr("Reference to unparsed entity '%1'.").arg(reference));
+                } else {
+                    if (!entity.hasBeenParsed) {
+                        parseEntity(entity.value);
+                        entity.hasBeenParsed = true;
+                    }
+                    if (entity.literal)
+                        putStringLiteral(entity.value);
+                    else if (referenceEntity(entity))
+                        putReplacement(entity.value);
+                    textBuffer.chop(2 + sym(2).len);
+                    clearSym();
+                }
+                break;
+            }
+
+            if (entityResolver) {
+                QString replacementText = resolveUndeclaredEntity(reference);
+                if (!replacementText.isNull()) {
+                    putReplacement(replacementText);
+                    textBuffer.chop(2 + sym(2).len);
+                    clearSym();
+                    break;
+                }
+            }
+
+	    injectToken(UNRESOLVED_ENTITY);
+	    unresolvedEntity = symString(2).toString();
+	    textBuffer.chop(2 + sym(2).len);
+	    clearSym();
+
+        } break;
+./
+
+pereference ::= PERCENT name SEMICOLON;
+/.
+        case $rule_number: {
+            sym(1).len += sym(2).len + 1;
+            QString reference = symString(2).toString();
+            if (parameterEntityHash.contains(reference)) {
+                referenceToParameterEntityDetected = true;
+                Entity &entity = parameterEntityHash[reference];
+                if (entity.unparsed || entity.external) {
+                    referenceToUnparsedEntityDetected = true;
+                } else {
+                    if (referenceEntity(entity))
+                        putString(entity.value);
+                    textBuffer.chop(2 + sym(2).len);
+                    clearSym();
+                }
+            } else if (entitiesMustBeDeclared()) {
+                raiseWellFormedError(QXmlStream::tr("Entity '%1' not declared.").arg(symString(2).toString()));
+            }
+        } break;
+./
+
+
+
+entity_ref_in_entity_value ::= AMPERSAND name SEMICOLON;
+/.
+        case $rule_number:
+            sym(1).len += sym(2).len + 1;
+        break;
+./
+
+entity_ref_in_attribute_value ::= AMPERSAND name SEMICOLON;
+/.
+        case $rule_number: {
+            sym(1).len += sym(2).len + 1;
+            QString reference = symString(2).toString();
+            if (entityHash.contains(reference)) {
+                Entity &entity = entityHash[reference];
+                if (entity.unparsed || entity.value.isNull()) {
+                    raiseWellFormedError(QXmlStream::tr("Reference to external entity '%1' in attribute value.").arg(reference));
+                    break;
+                }
+                if (!entity.hasBeenParsed) {
+                    parseEntity(entity.value);
+                    entity.hasBeenParsed = true;
+                }
+                if (entity.literal)
+                    putStringLiteral(entity.value);
+                else if (referenceEntity(entity))
+                    putReplacementInAttributeValue(entity.value);
+                textBuffer.chop(2 + sym(2).len);
+                clearSym();
+                break;
+            }
+
+            if (entityResolver) {
+                QString replacementText = resolveUndeclaredEntity(reference);
+                if (!replacementText.isNull()) {
+                    putReplacement(replacementText);
+                    textBuffer.chop(2 + sym(2).len);
+                    clearSym();
+                    break;
+                }
+            }
+            if (entitiesMustBeDeclared()) {
+                raiseWellFormedError(QXmlStream::tr("Entity '%1' not declared.").arg(reference));
+            }
+        } break;
+./
+
+char_ref ::= AMPERSAND HASH char_ref_value SEMICOLON;
+/.
+        case $rule_number: {
+            if (uint s = resolveCharRef(3)) {
+                if (s >= 0xffff)
+                    putStringLiteral(QString::fromUcs4(&s, 1));
+                else
+                    putChar((LETTER << 16) | s);
+
+                textBuffer.chop(3 + sym(3).len);
+                clearSym();
+            } else {
+                raiseWellFormedError(QXmlStream::tr("Invalid character reference."));
+            }
+        } break;
+./
+
+
+char_ref_value ::= LETTER | DIGIT;
+char_ref_value ::= char_ref_value LETTER;
+/.
+        case $rule_number:./
+char_ref_value ::= char_ref_value DIGIT;
+/.
+        case $rule_number:
+            sym(1).len += sym(2).len;
+        break;
+./
+
+
+content ::= content character_content;
+content ::= content stag content etag;
+content ::= content empty_element_tag;
+content ::= content comment;
+content ::= content cdata;
+content ::= content xml_decl;
+content ::= content processing_instruction;
+content ::= content doctype_decl;
+content ::= content unresolved_entity;
+content ::=  ;
+
+
+space ::=  SPACE;
+/.
+        case $rule_number:
+            sym(1).len += fastScanSpace();
+            if (atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+
+space_opt ::=;
+space_opt ::= space;
+
+qname ::= LETTER;
+/.
+        case $rule_number: {
+            sym(1).len += fastScanName(&sym(1).prefix);
+            if (atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        } break;
+./
+
+name ::= LETTER;
+/.
+        case $rule_number:
+            sym(1).len += fastScanName();
+            if (atEnd) {
+                resume($rule_number);
+                return false;
+            }
+        break;
+./
+
+nmtoken ::= LETTER;
+/.
+        case $rule_number:./
+nmtoken ::= DIGIT;
+/.
+        case $rule_number:./
+nmtoken ::= DOT;
+/.
+        case $rule_number:./
+nmtoken ::= DASH;
+/.
+        case $rule_number:./
+nmtoken ::= COLON;
+/.
+        case $rule_number:
+            sym(1).len += fastScanNMTOKEN();
+            if (atEnd) {
+                resume($rule_number);
+                return false;
+            }
+
+        break;
+./
+
+
+/.
+    default:
+        ;
+    } // switch
+            act = state_stack[tos] = nt_action (act, lhs[r] - TERMINAL_COUNT);
+            if (type != QXmlStreamReader::NoToken)
+                return true;
+        } else {
+            parseError();
+            break;
+        }
+    }
+    return false;
+}
+./
diff --git a/src/corelib/xml/qxmlstream.h b/src/corelib/xml/qxmlstream.h
new file mode 100644
index 0000000000..2ba79721f5
--- /dev/null
+++ b/src/corelib/xml/qxmlstream.h
@@ -0,0 +1,477 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QXMLSTREAM_H
+#define QXMLSTREAM_H
+
+#include <QtCore/QIODevice>
+
+#ifndef QT_NO_XMLSTREAM
+
+#include <QtCore/QString>
+#include <QtCore/QVector>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+// QXmlStream* was originally in the QtXml module
+// since we've moved it to QtCore in Qt 4.4.0, we need to
+// keep binary compatibility
+//
+// The list of supported platforms is in:
+//   http://qtsoftware.com/developer/notes/supported_platforms
+//
+// These platforms do not support symbol moving nor duplication
+// (because duplicate symbols cause warnings when linking):
+//   Apple MacOS X (Mach-O executable format)
+//       special case: 64-bit on Mac wasn't supported before 4.5.0
+//   IBM AIX (XCOFF executable format)
+//
+// These platforms do not support symbol moving but allow it to be duplicated:
+//   Microsoft Windows (COFF PE executable format)
+//      special case: Windows CE wasn't supported before 4.4.0
+//
+// These platforms support symbol moving:
+//   HP HP-UX (PA-RISC2.0 shared executables)
+//   HP HP-UXi (ELF executable format)
+//   FreeBSD (ELF executable format)
+//   Linux (ELF executable format)
+//   SGI IRIX (ELF executable format)
+//   Sun Solaris (ELF executable format)
+//
+// Other platforms are supported through community contributions only.
+// We are taking the optimist scenario here to avoid creating more
+// symbols to be supported.
+
+#if defined(Q_OS_MAC32) || defined(Q_OS_AIX)
+# if !defined QT_BUILD_XML_LIB
+#  define Q_XMLSTREAM_RENAME_SYMBOLS
+# endif
+#endif
+
+#if defined QT_BUILD_XML_LIB
+# define Q_XMLSTREAM_EXPORT     Q_XML_EXPORT
+#else
+# define Q_XMLSTREAM_EXPORT     Q_CORE_EXPORT
+#endif
+
+#if defined Q_XMLSTREAM_RENAME_SYMBOLS
+// don't worry, we'll undef and change to typedef at the bottom of the file
+# define QXmlStreamAttribute QCoreXmlStreamAttribute
+# define QXmlStreamAttributes QCoreXmlStreamAttributes
+# define QXmlStreamEntityDeclaration QCoreXmlStreamEntityDeclaration
+# define QXmlStreamEntityDeclarations QCoreXmlStreamEntityDeclarations
+# define QXmlStreamEntityResolver QCoreXmlStreamEntityResolver
+# define QXmlStreamNamespaceDeclaration QCoreXmlStreamNamespaceDeclaration
+# define QXmlStreamNamespaceDeclarations QCoreXmlStreamNamespaceDeclarations
+# define QXmlStreamNotationDeclaration QCoreXmlStreamNotationDeclaration
+# define QXmlStreamNotationDeclarations QCoreXmlStreamNotationDeclarations
+# define QXmlStreamReader QCoreXmlStreamReader
+# define QXmlStreamStringRef QCoreXmlStreamStringRef
+# define QXmlStreamWriter QCoreXmlStreamWriter
+#endif
+
+class Q_XMLSTREAM_EXPORT QXmlStreamStringRef {
+    QString m_string;
+    int m_position, m_size;
+public:
+    inline QXmlStreamStringRef():m_position(0), m_size(0){}
+    inline QXmlStreamStringRef(const QStringRef &aString)
+        :m_string(aString.string()?*aString.string():QString()), m_position(aString.position()), m_size(aString.size()){}
+    inline QXmlStreamStringRef(const QString &aString):m_string(aString), m_position(0), m_size(aString.size()){}
+    inline ~QXmlStreamStringRef(){}
+    inline void clear() { m_string.clear(); m_position = m_size = 0; }
+    inline operator QStringRef() const { return QStringRef(&m_string, m_position, m_size); }
+    inline const QString *string() const { return &m_string; }
+    inline int position() const { return m_position; }
+    inline int size() const { return m_size; }
+};
+
+
+class QXmlStreamReaderPrivate;
+class QXmlStreamAttributes;
+class Q_XMLSTREAM_EXPORT QXmlStreamAttribute {
+    QXmlStreamStringRef m_name, m_namespaceUri, m_qualifiedName, m_value;
+    void *reserved;
+    uint m_isDefault : 1;
+    friend class QXmlStreamReaderPrivate;
+    friend class QXmlStreamAttributes;
+public:
+    QXmlStreamAttribute();
+    QXmlStreamAttribute(const QString &qualifiedName, const QString &value);
+    QXmlStreamAttribute(const QString &namespaceUri, const QString &name, const QString &value);
+    QXmlStreamAttribute(const QXmlStreamAttribute &);
+    QXmlStreamAttribute& operator=(const QXmlStreamAttribute &);
+    ~QXmlStreamAttribute();
+    inline QStringRef namespaceUri() const { return m_namespaceUri; }
+    inline QStringRef name() const { return m_name; }
+    inline QStringRef qualifiedName() const { return m_qualifiedName; }
+    inline QStringRef prefix() const {
+        return QStringRef(m_qualifiedName.string(),
+                          m_qualifiedName.position(),
+                          qMax(0, m_qualifiedName.size() - m_name.size() - 1));
+    }
+    inline QStringRef value() const { return m_value; }
+    inline bool isDefault() const { return m_isDefault; }
+    inline bool operator==(const QXmlStreamAttribute &other) const {
+        return (value() == other.value()
+                && (namespaceUri().isNull() ? (qualifiedName() == other.qualifiedName())
+                    : (namespaceUri() == other.namespaceUri() && name() == other.name())));
+    }
+    inline bool operator!=(const QXmlStreamAttribute &other) const
+        { return !operator==(other); }
+};
+
+Q_DECLARE_TYPEINFO(QXmlStreamAttribute, Q_MOVABLE_TYPE);
+
+class Q_XMLSTREAM_EXPORT QXmlStreamAttributes : public QVector<QXmlStreamAttribute>
+{
+public:
+    QStringRef value(const QString &namespaceUri, const QString &name) const;
+    QStringRef value(const QString &namespaceUri, const QLatin1String &name) const;
+    QStringRef value(const QLatin1String &namespaceUri, const QLatin1String &name) const;
+    QStringRef value(const QString &qualifiedName) const;
+    QStringRef value(const QLatin1String &qualifiedName) const;
+    void append(const QString &namespaceUri, const QString &name, const QString &value);
+    void append(const QString &qualifiedName, const QString &value);
+
+    inline bool hasAttribute(const QString &qualifiedName) const
+    {
+        return !value(qualifiedName).isNull();
+    }
+
+    inline bool hasAttribute(const QLatin1String &qualifiedName) const
+    {
+        return !value(qualifiedName).isNull();
+    }
+
+    inline bool hasAttribute(const QString &namespaceUri, const QString &name) const
+    {
+        return !value(namespaceUri, name).isNull();
+    }
+
+#if !defined(Q_NO_USING_KEYWORD)
+    using QVector<QXmlStreamAttribute>::append;
+#else
+    inline void append(const QXmlStreamAttribute &attribute)
+        { QVector<QXmlStreamAttribute>::append(attribute); }
+#endif
+};
+
+class Q_XMLSTREAM_EXPORT QXmlStreamNamespaceDeclaration {
+    QXmlStreamStringRef m_prefix, m_namespaceUri;
+    void *reserved;
+
+    friend class QXmlStreamReaderPrivate;
+public:
+    QXmlStreamNamespaceDeclaration();
+    QXmlStreamNamespaceDeclaration(const QXmlStreamNamespaceDeclaration &);
+    QXmlStreamNamespaceDeclaration(const QString &prefix, const QString &namespaceUri);
+    ~QXmlStreamNamespaceDeclaration();
+    QXmlStreamNamespaceDeclaration& operator=(const QXmlStreamNamespaceDeclaration &);
+    inline QStringRef prefix() const { return m_prefix; }
+    inline QStringRef namespaceUri() const { return m_namespaceUri; }
+    inline bool operator==(const QXmlStreamNamespaceDeclaration &other) const {
+        return (prefix() == other.prefix() && namespaceUri() == other.namespaceUri());
+    }
+    inline bool operator!=(const QXmlStreamNamespaceDeclaration &other) const
+        { return !operator==(other); }
+};
+
+Q_DECLARE_TYPEINFO(QXmlStreamNamespaceDeclaration, Q_MOVABLE_TYPE);
+typedef QVector<QXmlStreamNamespaceDeclaration> QXmlStreamNamespaceDeclarations;
+
+class Q_XMLSTREAM_EXPORT QXmlStreamNotationDeclaration {
+    QXmlStreamStringRef m_name, m_systemId, m_publicId;
+    void *reserved;
+
+    friend class QXmlStreamReaderPrivate;
+public:
+    QXmlStreamNotationDeclaration();
+    ~QXmlStreamNotationDeclaration();
+    QXmlStreamNotationDeclaration(const QXmlStreamNotationDeclaration &);
+    QXmlStreamNotationDeclaration& operator=(const QXmlStreamNotationDeclaration &);
+    inline QStringRef name() const { return m_name; }
+    inline QStringRef systemId() const { return m_systemId; }
+    inline QStringRef publicId() const { return m_publicId; }
+    inline bool operator==(const QXmlStreamNotationDeclaration &other) const {
+        return (name() == other.name() && systemId() == other.systemId()
+                && publicId() == other.publicId());
+    }
+    inline bool operator!=(const QXmlStreamNotationDeclaration &other) const
+        { return !operator==(other); }
+};
+
+Q_DECLARE_TYPEINFO(QXmlStreamNotationDeclaration, Q_MOVABLE_TYPE);
+typedef QVector<QXmlStreamNotationDeclaration> QXmlStreamNotationDeclarations;
+
+class Q_XMLSTREAM_EXPORT QXmlStreamEntityDeclaration {
+    QXmlStreamStringRef m_name, m_notationName, m_systemId, m_publicId, m_value;
+    void *reserved;
+
+    friend class QXmlStreamReaderPrivate;
+public:
+    QXmlStreamEntityDeclaration();
+    ~QXmlStreamEntityDeclaration();
+    QXmlStreamEntityDeclaration(const QXmlStreamEntityDeclaration &);
+    QXmlStreamEntityDeclaration& operator=(const QXmlStreamEntityDeclaration &);
+    inline QStringRef name() const { return m_name; }
+    inline QStringRef notationName() const { return m_notationName; }
+    inline QStringRef systemId() const { return m_systemId; }
+    inline QStringRef publicId() const { return m_publicId; }
+    inline QStringRef value() const { return m_value; }
+    inline bool operator==(const QXmlStreamEntityDeclaration &other) const {
+        return (name() == other.name()
+                && notationName() == other.notationName()
+                && systemId() == other.systemId()
+                && publicId() == other.publicId()
+                && value() == other.value());
+    }
+    inline bool operator!=(const QXmlStreamEntityDeclaration &other) const
+        { return !operator==(other); }
+};
+
+Q_DECLARE_TYPEINFO(QXmlStreamEntityDeclaration, Q_MOVABLE_TYPE);
+typedef QVector<QXmlStreamEntityDeclaration> QXmlStreamEntityDeclarations;
+
+
+class Q_XMLSTREAM_EXPORT QXmlStreamEntityResolver
+{
+public:
+    virtual ~QXmlStreamEntityResolver();
+    virtual QString resolveEntity(const QString& publicId, const QString& systemId);
+    virtual QString resolveUndeclaredEntity(const QString &name);
+};
+
+#ifndef QT_NO_XMLSTREAMREADER
+class Q_XMLSTREAM_EXPORT QXmlStreamReader {
+    QDOC_PROPERTY(bool namespaceProcessing READ namespaceProcessing WRITE setNamespaceProcessing)
+public:
+    enum TokenType {
+        NoToken = 0,
+        Invalid,
+        StartDocument,
+        EndDocument,
+        StartElement,
+        EndElement,
+        Characters,
+        Comment,
+        DTD,
+        EntityReference,
+        ProcessingInstruction
+    };
+
+
+    QXmlStreamReader();
+    QXmlStreamReader(QIODevice *device);
+    QXmlStreamReader(const QByteArray &data);
+    QXmlStreamReader(const QString &data);
+    QXmlStreamReader(const char * data);
+    ~QXmlStreamReader();
+
+    void setDevice(QIODevice *device);
+    QIODevice *device() const;
+    void addData(const QByteArray &data);
+    void addData(const QString &data);
+    void addData(const char *data);
+    void clear();
+
+
+    bool atEnd() const;
+    TokenType readNext();
+
+    TokenType tokenType() const;
+    QString tokenString() const;
+
+    void setNamespaceProcessing(bool);
+    bool namespaceProcessing() const;
+
+    inline bool isStartDocument() const { return tokenType() == StartDocument; }
+    inline bool isEndDocument() const { return tokenType() == EndDocument; }
+    inline bool isStartElement() const { return tokenType() == StartElement; }
+    inline bool isEndElement() const { return tokenType() == EndElement; }
+    inline bool isCharacters() const { return tokenType() == Characters; }
+    bool isWhitespace() const;
+    bool isCDATA() const;
+    inline bool isComment() const { return tokenType() == Comment; }
+    inline bool isDTD() const { return tokenType() == DTD; }
+    inline bool isEntityReference() const { return tokenType() == EntityReference; }
+    inline bool isProcessingInstruction() const { return tokenType() == ProcessingInstruction; }
+
+    bool isStandaloneDocument() const;
+    QStringRef documentVersion() const;
+    QStringRef documentEncoding() const;
+
+    qint64 lineNumber() const;
+    qint64 columnNumber() const;
+    qint64 characterOffset() const;
+
+    QXmlStreamAttributes attributes() const;
+    QString readElementText();
+
+    QStringRef name() const;
+    QStringRef namespaceUri() const;
+    QStringRef qualifiedName() const;
+    QStringRef prefix() const;
+
+    QStringRef processingInstructionTarget() const;
+    QStringRef processingInstructionData() const;
+
+    QStringRef text() const;
+
+    QXmlStreamNamespaceDeclarations namespaceDeclarations() const;
+    void addExtraNamespaceDeclaration(const QXmlStreamNamespaceDeclaration &extraNamespaceDeclaraction);
+    void addExtraNamespaceDeclarations(const QXmlStreamNamespaceDeclarations &extraNamespaceDeclaractions);
+    QXmlStreamNotationDeclarations notationDeclarations() const;
+    QXmlStreamEntityDeclarations entityDeclarations() const;
+    QStringRef dtdName() const;
+    QStringRef dtdPublicId() const;
+    QStringRef dtdSystemId() const;
+
+
+    enum Error {
+        NoError,
+        UnexpectedElementError,
+        CustomError,
+        NotWellFormedError,
+        PrematureEndOfDocumentError
+    };
+    void raiseError(const QString& message = QString());
+    QString errorString() const;
+    Error error() const;
+
+    inline bool hasError() const
+    {
+        return error() != NoError;
+    }
+
+    void setEntityResolver(QXmlStreamEntityResolver *resolver);
+    QXmlStreamEntityResolver *entityResolver() const;
+
+private:
+    Q_DISABLE_COPY(QXmlStreamReader)
+    Q_DECLARE_PRIVATE(QXmlStreamReader)
+    QXmlStreamReaderPrivate *d_ptr;
+
+};
+#endif // QT_NO_XMLSTREAMREADER
+
+#ifndef QT_NO_XMLSTREAMWRITER
+
+class QXmlStreamWriterPrivate;
+
+class Q_XMLSTREAM_EXPORT QXmlStreamWriter
+{
+    QDOC_PROPERTY(bool autoFormatting READ autoFormatting WRITE setAutoFormatting)
+    QDOC_PROPERTY(int autoFormattingIndent READ autoFormattingIndent WRITE setAutoFormattingIndent)
+public:
+    QXmlStreamWriter();
+    QXmlStreamWriter(QIODevice *device);
+    QXmlStreamWriter(QByteArray *array);
+    QXmlStreamWriter(QString *string);
+    ~QXmlStreamWriter();
+
+    void setDevice(QIODevice *device);
+    QIODevice *device() const;
+
+#ifndef QT_NO_TEXTCODEC
+    void setCodec(QTextCodec *codec);
+    void setCodec(const char *codecName);
+    QTextCodec *codec() const;
+#endif
+
+    void setAutoFormatting(bool);
+    bool autoFormatting() const;
+
+    void setAutoFormattingIndent(int spacesOrTabs);
+    int autoFormattingIndent() const;
+
+    void writeAttribute(const QString &qualifiedName, const QString &value);
+    void writeAttribute(const QString &namespaceUri, const QString &name, const QString &value);
+    void writeAttribute(const QXmlStreamAttribute& attribute);
+    void writeAttributes(const QXmlStreamAttributes& attributes);
+
+    void writeCDATA(const QString &text);
+    void writeCharacters(const QString &text);
+    void writeComment(const QString &text);
+
+    void writeDTD(const QString &dtd);
+
+    void writeEmptyElement(const QString &qualifiedName);
+    void writeEmptyElement(const QString &namespaceUri, const QString &name);
+
+    void writeTextElement(const QString &qualifiedName, const QString &text);
+    void writeTextElement(const QString &namespaceUri, const QString &name, const QString &text);
+
+    void writeEndDocument();
+    void writeEndElement();
+
+    void writeEntityReference(const QString &name);
+    void writeNamespace(const QString &namespaceUri, const QString &prefix = QString());
+    void writeDefaultNamespace(const QString &namespaceUri);
+    void writeProcessingInstruction(const QString &target, const QString &data = QString());
+
+    void writeStartDocument();
+    void writeStartDocument(const QString &version);
+    void writeStartDocument(const QString &version, bool standalone);
+    void writeStartElement(const QString &qualifiedName);
+    void writeStartElement(const QString &namespaceUri, const QString &name);
+
+#ifndef QT_NO_XMLSTREAMREADER
+    void writeCurrentToken(const QXmlStreamReader &reader);
+#endif
+
+private:
+    Q_DISABLE_COPY(QXmlStreamWriter)
+    Q_DECLARE_PRIVATE(QXmlStreamWriter)
+    QXmlStreamWriterPrivate *d_ptr;
+};
+#endif // QT_NO_XMLSTREAMWRITER
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_XMLSTREAM
+#endif // QXMLSTREAM_H
diff --git a/src/corelib/xml/qxmlstream_p.h b/src/corelib/xml/qxmlstream_p.h
new file mode 100644
index 0000000000..cf1d2285de
--- /dev/null
+++ b/src/corelib/xml/qxmlstream_p.h
@@ -0,0 +1,1963 @@
+// This file was generated by qlalr - DO NOT EDIT!
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QXMLSTREAM_P_H
+#define QXMLSTREAM_P_H
+
+class QXmlStreamReader_Table
+{
+public:
+  enum {
+    EOF_SYMBOL = 0,
+    AMPERSAND = 5,
+    ANY = 41,
+    ATTLIST = 31,
+    BANG = 25,
+    CDATA = 47,
+    CDATA_START = 28,
+    COLON = 17,
+    COMMA = 19,
+    DASH = 20,
+    DBLQUOTE = 8,
+    DIGIT = 27,
+    DOCTYPE = 29,
+    DOT = 23,
+    ELEMENT = 30,
+    EMPTY = 40,
+    ENTITIES = 51,
+    ENTITY = 32,
+    ENTITY_DONE = 45,
+    EQ = 14,
+    ERROR = 43,
+    FIXED = 39,
+    HASH = 6,
+    ID = 48,
+    IDREF = 49,
+    IDREFS = 50,
+    IMPLIED = 38,
+    LANGLE = 3,
+    LBRACK = 9,
+    LETTER = 26,
+    LPAREN = 11,
+    NDATA = 36,
+    NMTOKEN = 52,
+    NMTOKENS = 53,
+    NOTATION = 33,
+    NOTOKEN = 1,
+    PARSE_ENTITY = 44,
+    PCDATA = 42,
+    PERCENT = 15,
+    PIPE = 13,
+    PLUS = 21,
+    PUBLIC = 35,
+    QUESTIONMARK = 24,
+    QUOTE = 7,
+    RANGLE = 4,
+    RBRACK = 10,
+    REQUIRED = 37,
+    RPAREN = 12,
+    SEMICOLON = 18,
+    SHIFT_THERE = 56,
+    SLASH = 16,
+    SPACE = 2,
+    STAR = 22,
+    SYSTEM = 34,
+    UNRESOLVED_ENTITY = 46,
+    VERSION = 55,
+    XML = 54,
+
+    ACCEPT_STATE = 416,
+    RULE_COUNT = 269,
+    STATE_COUNT = 427,
+    TERMINAL_COUNT = 57,
+    NON_TERMINAL_COUNT = 84,
+
+    GOTO_INDEX_OFFSET = 427,
+    GOTO_INFO_OFFSET = 1017,
+    GOTO_CHECK_OFFSET = 1017
+  };
+
+  static const char  *const spell [];
+  static const int            lhs [];
+  static const int            rhs [];
+  static const int   goto_default [];
+  static const int action_default [];
+  static const int   action_index [];
+  static const int    action_info [];
+  static const int   action_check [];
+
+  static inline int nt_action (int state, int nt)
+  {
+    const int *const goto_index = &action_index [GOTO_INDEX_OFFSET];
+    const int *const goto_check = &action_check [GOTO_CHECK_OFFSET];
+
+    const int yyn = goto_index [state] + nt;
+
+    if (yyn < 0 || goto_check [yyn] != nt)
+      return goto_default [nt];
+
+    const int *const goto_info = &action_info [GOTO_INFO_OFFSET];
+    return goto_info [yyn];
+  }
+
+  static inline int t_action (int state, int token)
+  {
+    const int yyn = action_index [state] + token;
+
+    if (yyn < 0 || action_check [yyn] != token)
+      return - action_default [state];
+
+    return action_info [yyn];
+  }
+};
+
+
+const char *const QXmlStreamReader_Table::spell [] = {
+  "end of file", 0, " ", "<", ">", "&", "#", "\'", "\"", "[", 
+  "]", "(", ")", "|", "=", "%", "/", ":", ";", ",", 
+  "-", "+", "*", ".", "?", "!", "[a-zA-Z]", "[0-9]", "[CDATA[", "DOCTYPE", 
+  "ELEMENT", "ATTLIST", "ENTITY", "NOTATION", "SYSTEM", "PUBLIC", "NDATA", "REQUIRED", "IMPLIED", "FIXED", 
+  "EMPTY", "ANY", "PCDATA", 0, 0, 0, 0, "CDATA", "ID", "IDREF", 
+  "IDREFS", "ENTITIES", "NMTOKEN", "NMTOKENS", "<?xml", "version", 0};
+
+const int QXmlStreamReader_Table::lhs [] = {
+  57, 57, 59, 59, 59, 59, 59, 59, 59, 59, 
+  67, 68, 64, 72, 72, 72, 75, 66, 66, 66, 
+  66, 79, 78, 80, 80, 80, 80, 80, 80, 81, 
+  81, 81, 81, 81, 81, 81, 87, 83, 88, 88, 
+  88, 88, 91, 92, 93, 93, 93, 93, 94, 94, 
+  96, 96, 96, 97, 97, 98, 98, 99, 99, 100, 
+  100, 89, 89, 95, 90, 101, 101, 103, 103, 103, 
+  103, 103, 103, 103, 103, 103, 103, 104, 105, 105, 
+  105, 105, 107, 108, 109, 109, 84, 84, 110, 110, 
+  112, 112, 85, 85, 85, 65, 65, 76, 114, 63, 
+  115, 116, 86, 86, 86, 117, 117, 117, 117, 117, 
+  117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 
+  117, 117, 117, 117, 117, 117, 117, 117, 118, 118, 
+  119, 119, 119, 119, 119, 119, 119, 119, 122, 70, 
+  70, 70, 70, 123, 124, 123, 124, 123, 124, 123, 
+  124, 126, 126, 126, 126, 126, 126, 126, 126, 126, 
+  126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 
+  126, 126, 126, 125, 73, 113, 113, 113, 113, 127, 
+  128, 127, 128, 127, 128, 127, 128, 129, 129, 129, 
+  129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 
+  129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 
+  129, 129, 106, 106, 106, 106, 131, 132, 131, 132, 
+  131, 131, 132, 132, 133, 133, 133, 133, 135, 71, 
+  71, 71, 136, 136, 137, 62, 60, 61, 138, 121, 
+  82, 130, 134, 120, 139, 139, 139, 139, 58, 58, 
+  58, 58, 58, 58, 58, 58, 58, 58, 74, 69, 
+  69, 77, 111, 102, 102, 102, 102, 102, 140};
+
+const int QXmlStreamReader_Table:: rhs[] = {
+  2, 1, 4, 2, 2, 2, 2, 2, 2, 0, 
+  1, 1, 9, 2, 4, 0, 4, 4, 6, 6, 
+  4, 1, 3, 1, 1, 1, 2, 2, 2, 1, 
+  1, 1, 1, 1, 1, 1, 4, 4, 1, 1, 
+  1, 1, 1, 2, 1, 1, 1, 0, 2, 2, 
+  2, 6, 6, 1, 5, 1, 5, 3, 5, 0, 
+  1, 6, 8, 4, 2, 1, 5, 1, 1, 1, 
+  1, 1, 1, 1, 1, 6, 7, 1, 2, 2, 
+  1, 4, 3, 3, 1, 2, 5, 6, 4, 6, 
+  3, 5, 5, 3, 4, 4, 5, 2, 3, 2, 
+  2, 4, 5, 5, 7, 1, 1, 1, 1, 1, 
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
+  2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 
+  2, 3, 3, 2, 2, 2, 2, 1, 1, 1, 
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
+  1, 1, 1, 1, 1, 2, 2, 3, 3, 2, 
+  2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
+  1, 1, 2, 2, 3, 3, 2, 2, 2, 2, 
+  1, 1, 1, 1, 1, 1, 1, 1, 5, 0, 
+  1, 3, 1, 3, 2, 4, 3, 5, 1, 3, 
+  3, 3, 3, 4, 1, 1, 2, 2, 2, 4, 
+  2, 2, 2, 2, 2, 2, 2, 0, 1, 0, 
+  1, 1, 1, 1, 1, 1, 1, 1, 2};
+
+const int QXmlStreamReader_Table::action_default [] = {
+  10, 258, 0, 2, 1, 0, 124, 116, 118, 119, 
+  126, 128, 122, 11, 113, 107, 0, 108, 127, 110, 
+  114, 112, 120, 123, 125, 106, 109, 111, 117, 115, 
+  130, 121, 239, 12, 253, 135, 249, 252, 0, 129, 
+  139, 256, 16, 251, 137, 136, 0, 255, 138, 258, 
+  230, 257, 254, 0, 0, 263, 0, 246, 245, 0, 
+  248, 247, 244, 240, 98, 262, 0, 235, 0, 0, 
+  259, 96, 97, 100, 0, 131, 133, 132, 134, 0, 
+  0, 260, 0, 0, 175, 0, 172, 164, 166, 167, 
+  141, 153, 170, 161, 155, 156, 152, 158, 162, 160, 
+  168, 171, 151, 154, 157, 159, 165, 163, 173, 169, 
+  149, 174, 0, 143, 147, 145, 150, 140, 148, 0, 
+  146, 142, 144, 0, 15, 14, 261, 0, 22, 21, 
+  260, 0, 0, 20, 0, 0, 31, 36, 30, 0, 
+  32, 260, 0, 33, 0, 24, 0, 34, 0, 26, 
+  35, 25, 0, 241, 40, 39, 260, 42, 48, 260, 
+  41, 0, 43, 260, 48, 260, 0, 260, 0, 48, 
+  0, 47, 45, 46, 50, 51, 260, 260, 0, 56, 
+  260, 53, 260, 0, 57, 0, 54, 260, 52, 260, 
+  0, 55, 64, 0, 260, 60, 260, 0, 58, 61, 
+  62, 0, 260, 0, 0, 59, 63, 44, 49, 65, 
+  0, 38, 0, 0, 260, 0, 93, 94, 0, 0, 
+  0, 0, 260, 0, 209, 200, 202, 204, 177, 189, 
+  207, 198, 192, 190, 193, 188, 195, 197, 205, 208, 
+  187, 191, 194, 196, 201, 199, 203, 206, 210, 212, 
+  211, 185, 0, 0, 242, 179, 183, 181, 0, 0, 
+  92, 186, 176, 184, 0, 182, 178, 180, 91, 0, 
+  95, 0, 0, 0, 0, 0, 260, 85, 260, 0, 
+  261, 0, 86, 0, 88, 68, 73, 72, 69, 70, 
+  71, 260, 74, 75, 0, 0, 0, 268, 267, 265, 
+  266, 264, 66, 260, 0, 260, 0, 0, 67, 76, 
+  260, 0, 260, 0, 0, 77, 0, 78, 0, 81, 
+  84, 0, 0, 214, 224, 223, 0, 226, 228, 227, 
+  225, 0, 243, 216, 220, 218, 222, 213, 221, 0, 
+  219, 215, 217, 0, 80, 79, 0, 82, 0, 83, 
+  87, 99, 0, 37, 0, 0, 0, 0, 90, 89, 
+  0, 102, 23, 27, 29, 28, 0, 0, 260, 261, 
+  0, 260, 0, 105, 104, 260, 0, 103, 101, 0, 
+  0, 18, 260, 17, 0, 19, 0, 0, 250, 0, 
+  260, 0, 238, 0, 231, 237, 0, 236, 233, 260, 
+  260, 261, 232, 234, 0, 260, 0, 229, 260, 0, 
+  260, 0, 230, 0, 0, 13, 269, 9, 5, 8, 
+  4, 0, 7, 258, 6, 0, 3};
+
+const int QXmlStreamReader_Table::goto_default [] = {
+  2, 4, 3, 49, 388, 43, 37, 52, 47, 41, 
+  249, 53, 127, 84, 393, 81, 85, 126, 42, 46, 
+  169, 130, 131, 146, 145, 149, 138, 136, 140, 147, 
+  139, 159, 160, 157, 168, 167, 209, 165, 164, 166, 
+  187, 180, 196, 200, 303, 302, 295, 321, 320, 319, 
+  279, 277, 278, 142, 56, 141, 222, 38, 34, 148, 
+  39, 48, 40, 248, 45, 36, 119, 112, 330, 111, 
+  264, 252, 251, 250, 339, 326, 325, 329, 398, 399, 
+  50, 51, 59, 0};
+
+const int QXmlStreamReader_Table::action_index [] = {
+  -21, -57, 33, 119, 960, 70, -57, -57, -57, -57, 
+  -57, -57, -57, -57, -57, -57, 105, -57, -57, -57, 
+  -57, -57, -57, -57, -57, -57, -57, -57, -57, -57, 
+  -57, -57, -57, -57, -57, -57, -57, -57, 40, -57, 
+  795, -57, 47, -57, -57, -57, 107, -57, -57, -57, 
+  84, -57, -57, -38, 80, -57, 12, -57, -57, 97, 
+  -57, -57, -57, -57, -57, -57, 13, -57, 56, 34, 
+  -57, -57, -57, -57, 51, -57, -57, -57, -57, 53, 
+  57, 84, 300, 255, -57, 84, -57, -57, -57, -57, 
+  -57, -57, -57, -57, -57, -57, -57, -57, -57, -57, 
+  -57, -57, -57, -57, -57, -57, -57, -57, -57, -57, 
+  -57, -57, 355, -57, -57, -57, -57, -57, -57, 326, 
+  -57, -57, -57, 48, -57, -57, -57, 50, -57, -57, 
+  84, 155, 32, -57, 38, 22, -57, -57, -57, 115, 
+  -57, 35, 156, -57, 173, -57, 245, -57, 44, -57, 
+  -57, -57, 16, -57, -57, -57, 29, -57, 116, 29, 
+  -57, 133, -57, 29, 129, 84, 15, 29, -22, 121, 
+  74, -57, -57, -57, -57, 82, 29, 29, 88, -57, 
+  29, 7, 29, 86, -57, 83, -57, 27, 19, 26, 
+  94, -57, -57, 106, 29, 3, 29, -8, -57, -57, 
+  -57, 104, 29, -6, -7, -57, -57, -57, -57, -57, 
+  17, -57, -2, 11, 29, 18, -57, -57, 850, 65, 
+  465, 67, 84, 135, -57, -57, -57, -57, -57, -57, 
+  -57, -57, -57, -57, -57, -57, -57, -57, -57, -57, 
+  -57, -57, -57, -57, -57, -57, -57, -57, -57, -57, 
+  -57, -57, 630, 24, -57, -57, -57, -57, 84, 76, 
+  -57, -57, -57, -57, 740, -57, -57, -57, -57, 39, 
+  -57, 23, 21, 14, 78, 22, 84, -57, 84, 184, 
+  20, 31, -57, 41, -57, -57, -57, -57, -57, -57, 
+  -57, 84, -57, -57, 36, 126, 162, -57, -57, -57, 
+  -57, -57, -57, 29, 79, 29, 29, 160, -57, -57, 
+  29, 145, 29, 75, 29, -57, 575, -57, 410, -57, 
+  -57, 110, 64, -57, -57, -57, 685, -57, -57, -57, 
+  -57, -17, -57, -57, -57, -57, -57, -57, -57, 520, 
+  -57, -57, -57, 29, -57, -57, 61, -57, 29, -57, 
+  -57, -57, 29, -57, 29, 29, -15, 29, -57, -57, 
+  29, -57, -57, -57, -57, -57, 95, 43, 29, 45, 
+  9, 29, 10, -57, -57, 29, 2, -57, -57, -24, 
+  190, -57, 29, -57, 1, -57, 905, 150, -57, -26, 
+  29, 0, -57, 109, -26, -57, 8, -57, -57, 29, 
+  29, -19, -57, -57, -11, 29, 59, -57, 29, -5, 
+  29, 103, 29, -16, 6, -57, -57, -57, -57, -57, 
+  -57, 69, -57, -57, -57, 905, -57, 
+
+  -84, -84, -84, 204, 75, -84, -84, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, 7, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  101, -84, -84, -84, -84, -84, -84, -84, -84, 64, 
+  54, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, 68, -84, 30, -84, 
+  -84, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  32, -84, -16, -7, -84, 42, -84, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  -84, -84, 45, -84, -84, -84, -84, -84, -84, 44, 
+  -84, -84, -84, 33, -84, -84, -84, -84, -84, -84, 
+  36, 108, -84, -84, -84, 69, -84, -84, -84, 62, 
+  -84, 63, -84, -84, -84, -84, 118, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, -2, -84, -84, -10, 
+  -84, -84, -84, 25, -21, 11, -84, 20, -84, -25, 
+  -84, -84, -84, -84, -84, -84, 1, 2, -36, -84, 
+  -9, -84, 5, -13, -84, -8, -84, 6, -84, 8, 
+  12, -84, -84, -84, 23, -84, 4, -1, -84, -84, 
+  -84, -84, 0, -84, -14, -84, -84, -84, -84, -84, 
+  -84, -84, 55, -84, 58, -84, -84, -84, -84, 53, 
+  47, 123, 67, 66, -84, -84, -84, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  -84, -84, -15, -84, -84, -84, -84, -84, 41, 40, 
+  -84, -84, -84, -84, -46, -84, -84, -84, -84, -84, 
+  -84, 35, -84, 34, 37, 18, 70, -84, 89, -84, 
+  43, -84, -84, -84, -84, -84, -84, -84, -84, -84, 
+  -84, 48, -84, -84, -84, -84, -84, -84, -84, -84, 
+  -84, -84, -84, 31, -84, 29, 27, 17, -84, -84, 
+  38, 24, 39, -84, 49, -84, 71, -84, 93, -84, 
+  -84, -84, -12, -84, -84, -84, 94, -84, -84, -84, 
+  -84, -84, -84, -84, -84, -84, -84, -84, -84, 78, 
+  -84, -84, -84, 50, -84, -84, 46, -84, 56, -84, 
+  -84, -84, 60, -84, 61, 59, 51, 57, -84, -84, 
+  14, -84, -84, -84, -84, -84, -11, -6, 72, -5, 
+  -84, -3, -84, -84, -84, 52, -84, -84, -84, -20, 
+  77, -84, 21, -84, -84, -84, 76, 16, -84, 19, 
+  26, -84, -84, -84, 10, -84, -84, -84, -84, 80, 
+  13, 73, -84, -84, -84, 22, -27, -84, 9, -84, 
+  28, 15, 82, -84, -84, -84, -84, -84, -84, -84, 
+  -84, -84, -84, 3, -84, 98, -84};
+
+const int QXmlStreamReader_Table::action_info [] = {
+  65, 332, 65, 405, 392, 385, 377, 65, 414, 410, 
+  415, 55, 397, 374, 373, 217, 206, 408, 65, 65, 
+  207, 211, 216, 1, 55, 199, 182, 192, 70, 70, 
+  63, 70, 189, 416, 153, 350, 133, 70, 72, 55, 
+  65, 351, 254, 270, 73, 284, 65, 310, 55, 65, 
+  83, 82, 83, 82, 129, 83, 82, 54, 70, 128, 
+  83, 82, 66, 64, 83, 82, 318, 316, 318, 316, 
+  54, 212, 83, 82, 83, 82, 54, 55, 367, 366, 
+  69, 80, 79, 83, 82, 163, 70, 314, 305, 272, 
+  55, 306, 305, 354, 163, 177, 55, 163, 379, 163, 
+  65, 176, 83, 82, 55, 163, 58, 57, 0, 65, 
+  83, 82, 65, 395, 65, 62, 203, 202, 195, 194, 
+  65, 417, 16, 61, 60, 396, 156, 272, 0, 66, 
+  64, 65, 317, 318, 316, 378, 379, 171, 173, 162, 
+  172, 54, 171, 173, 163, 172, 0, 345, 344, 343, 
+  171, 173, 0, 172, 0, 155, 154, 70, 134, 65, 
+  0, 55, 297, 220, 218, 298, 389, 0, 300, 0, 
+  135, 301, 299, 33, 66, 64, 65, 297, 0, 297, 
+  298, 0, 298, 300, 0, 300, 301, 299, 301, 299, 
+  221, 219, 70, 272, 381, 291, 0, 0, 0, 128, 
+  13, 0, 0, 273, 271, 274, 275, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 287, 294, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 285, 288, 289, 290, 286, 292, 293, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 70, 134, 0, 
+  0, 0, 0, 0, 0, 362, 0, 108, 0, 103, 
+  135, 94, 117, 116, 95, 104, 97, 105, 99, 93, 
+  98, 107, 87, 106, 88, 89, 100, 109, 92, 101, 
+  86, 96, 91, 0, 0, 0, 0, 0, 0, 0, 
+  13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 108, 0, 103, 0, 94, 102, 90, 95, 
+  104, 97, 105, 99, 93, 98, 107, 87, 106, 88, 
+  89, 100, 109, 92, 101, 86, 96, 91, 108, 0, 
+  103, 0, 94, 121, 120, 95, 104, 97, 105, 99, 
+  93, 98, 107, 87, 106, 88, 89, 100, 109, 92, 
+  101, 86, 96, 91, 0, 0, 0, 108, 0, 103, 
+  0, 94, 114, 113, 95, 104, 97, 105, 99, 93, 
+  98, 107, 87, 106, 88, 89, 100, 109, 92, 101, 
+  86, 96, 91, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 108, 0, 103, 322, 94, 337, 336, 95, 
+  104, 97, 105, 99, 93, 98, 107, 87, 106, 88, 
+  89, 100, 109, 92, 101, 86, 96, 91, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 246, 233, 241, 
+  223, 232, 262, 261, 234, 242, 236, 243, 237, 231, 
+  0, 245, 225, 244, 226, 227, 238, 247, 230, 239, 
+  224, 235, 229, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 108, 0, 103, 322, 94, 341, 340, 95, 
+  104, 97, 105, 99, 93, 98, 107, 87, 106, 88, 
+  89, 100, 109, 92, 101, 86, 96, 91, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 108, 0, 103, 
+  322, 94, 324, 323, 95, 104, 97, 105, 99, 93, 
+  98, 107, 87, 106, 88, 89, 100, 109, 92, 101, 
+  86, 96, 91, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 246, 233, 241, 223, 232, 256, 255, 234, 
+  242, 236, 243, 237, 231, 0, 245, 225, 244, 226, 
+  227, 238, 247, 230, 239, 224, 235, 229, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 108, 0, 103, 
+  322, 94, 334, 333, 95, 104, 97, 105, 99, 93, 
+  98, 107, 87, 106, 88, 89, 100, 109, 92, 101, 
+  86, 96, 91, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 246, 233, 241, 223, 232, 266, 265, 234, 
+  242, 236, 243, 237, 231, 0, 245, 225, 244, 226, 
+  227, 238, 247, 230, 239, 224, 235, 229, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 30, 0, 25, 
+  74, 15, 24, 10, 17, 26, 19, 27, 21, 14, 
+  20, 29, 7, 28, 8, 9, 22, 31, 12, 23, 
+  6, 18, 11, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 246, 233, 241, 223, 232, 240, 228, 234, 
+  242, 236, 243, 237, 231, 0, 245, 225, 244, 226, 
+  227, 238, 247, 230, 239, 224, 235, 229, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 30, 387, 25, 
+  5, 15, 24, 10, 17, 26, 19, 27, 21, 14, 
+  20, 29, 7, 28, 8, 9, 22, 31, 12, 23, 
+  6, 18, 11, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  13, 32, 0, 0, 0, 0, 0, 0, 0, 33, 
+  0, 0, 30, 16, 25, 5, 15, 24, 10, 17, 
+  26, 19, 27, 21, 14, 20, 29, 7, 28, 8, 
+  9, 22, 31, 12, 23, 6, 18, 11, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 13, 32, 0, 0, 0, 
+  0, 0, 0, 0, 33, 0, 0, 
+
+  380, 179, 210, 181, 425, 368, 205, 375, 371, 372, 
+  161, 208, 204, 178, 185, 174, 201, 183, 188, 198, 
+  190, 409, 407, 175, 184, 404, 267, 67, 412, 186, 
+  400, 361, 193, 384, 406, 197, 67, 170, 391, 390, 
+  411, 307, 331, 304, 309, 125, 124, 71, 132, 191, 
+  311, 313, 110, 260, 352, 276, 0, 257, 259, 123, 
+  296, 118, 308, 348, 376, 386, 315, 346, 312, 258, 
+  215, 394, 360, 349, 358, 213, 359, 353, 356, 269, 
+  0, 328, 281, 0, 370, 44, 44, 280, 328, 369, 
+  0, 355, 402, 400, 383, 347, 413, 401, 382, 394, 
+  158, 283, 426, 328, 328, 357, 280, 0, 44, 214, 
+  0, 76, 122, 115, 137, 0, 150, 0, 143, 263, 
+  253, 0, 68, 152, 137, 151, 150, 144, 143, 0, 
+  0, 0, 0, 0, 327, 365, 268, 144, 35, 35, 
+  282, 327, 363, 364, 0, 0, 0, 0, 0, 0, 
+  0, 403, 0, 0, 342, 0, 327, 327, 0, 0, 
+  0, 35, 78, 0, 75, 77, 0, 0, 0, 338, 
+  335, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 423, 0, 420, 
+  418, 424, 422, 419, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 421, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 0, 0, 0, 0};
+
+const int QXmlStreamReader_Table::action_check [] = {
+  26, 18, 26, 14, 4, 4, 4, 26, 24, 14, 
+  4, 26, 4, 4, 4, 4, 22, 55, 26, 26, 
+  42, 4, 4, 44, 26, 22, 19, 12, 2, 2, 
+  18, 2, 13, 0, 18, 4, 4, 2, 4, 26, 
+  26, 20, 18, 4, 4, 4, 26, 11, 26, 26, 
+  7, 8, 7, 8, 4, 7, 8, 6, 2, 9, 
+  7, 8, 24, 25, 7, 8, 7, 8, 7, 8, 
+  6, 36, 7, 8, 7, 8, 6, 26, 34, 35, 
+  24, 34, 35, 7, 8, 11, 2, 12, 13, 20, 
+  26, 12, 13, 15, 11, 13, 26, 11, 29, 11, 
+  26, 19, 7, 8, 26, 11, 26, 27, -1, 26, 
+  7, 8, 26, 4, 26, 18, 12, 13, 12, 13, 
+  26, 2, 3, 26, 27, 16, 11, 20, -1, 24, 
+  25, 26, 6, 7, 8, 28, 29, 21, 22, 6, 
+  24, 6, 21, 22, 11, 24, -1, 37, 38, 39, 
+  21, 22, -1, 24, -1, 40, 41, 2, 3, 26, 
+  -1, 26, 17, 7, 8, 20, 16, -1, 23, -1, 
+  15, 26, 27, 54, 24, 25, 26, 17, -1, 17, 
+  20, -1, 20, 23, -1, 23, 26, 27, 26, 27, 
+  34, 35, 2, 20, 4, 11, -1, -1, -1, 9, 
+  45, -1, -1, 30, 31, 32, 33, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, 32, 33, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, 47, 48, 49, 50, 51, 52, 53, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, 2, 3, -1, 
+  -1, -1, -1, -1, -1, 10, -1, 2, -1, 4, 
+  15, 6, 7, 8, 9, 10, 11, 12, 13, 14, 
+  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 
+  25, 26, 27, -1, -1, -1, -1, -1, -1, -1, 
+  45, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, 2, -1, 4, -1, 6, 7, 8, 9, 
+  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 
+  20, 21, 22, 23, 24, 25, 26, 27, 2, -1, 
+  4, -1, 6, 7, 8, 9, 10, 11, 12, 13, 
+  14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 
+  24, 25, 26, 27, -1, -1, -1, 2, -1, 4, 
+  -1, 6, 7, 8, 9, 10, 11, 12, 13, 14, 
+  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 
+  25, 26, 27, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, 2, -1, 4, 5, 6, 7, 8, 9, 
+  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 
+  20, 21, 22, 23, 24, 25, 26, 27, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, 45, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, 2, 3, 4, 
+  5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 
+  -1, 16, 17, 18, 19, 20, 21, 22, 23, 24, 
+  25, 26, 27, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  45, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, 2, -1, 4, 5, 6, 7, 8, 9, 
+  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 
+  20, 21, 22, 23, 24, 25, 26, 27, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, 45, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, 2, -1, 4, 
+  5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 
+  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 
+  25, 26, 27, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  45, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, 2, 3, 4, 5, 6, 7, 8, 9, 
+  10, 11, 12, 13, 14, -1, 16, 17, 18, 19, 
+  20, 21, 22, 23, 24, 25, 26, 27, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, 45, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, 2, -1, 4, 
+  5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 
+  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 
+  25, 26, 27, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  45, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, 2, 3, 4, 5, 6, 7, 8, 9, 
+  10, 11, 12, 13, 14, -1, 16, 17, 18, 19, 
+  20, 21, 22, 23, 24, 25, 26, 27, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, 45, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, 2, -1, 4, 
+  5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 
+  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 
+  25, 26, 27, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  45, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, 2, 3, 4, 5, 6, 7, 8, 9, 
+  10, 11, 12, 13, 14, -1, 16, 17, 18, 19, 
+  20, 21, 22, 23, 24, 25, 26, 27, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, 45, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, 2, 3, 4, 
+  5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 
+  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 
+  25, 26, 27, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  45, 46, -1, -1, -1, -1, -1, -1, -1, 54, 
+  -1, -1, 2, 3, 4, 5, 6, 7, 8, 9, 
+  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 
+  20, 21, 22, 23, 24, 25, 26, 27, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, 45, 46, -1, -1, -1, 
+  -1, -1, -1, -1, 54, -1, -1, 
+
+  20, 37, 12, 12, 1, 16, 20, 13, 13, 12, 
+  12, 36, 12, 12, 12, 36, 12, 12, 12, 20, 
+  12, 12, 49, 12, 37, 12, 72, 20, 13, 37, 
+  20, 17, 12, 12, 12, 12, 20, 12, 12, 20, 
+  12, 12, 54, 12, 17, 13, 13, 17, 12, 37, 
+  12, 12, 68, 13, 20, 20, -1, 72, 17, 17, 
+  12, 68, 45, 20, 12, 1, 17, 17, 44, 16, 
+  12, 17, 54, 17, 17, 12, 17, 17, 17, 12, 
+  -1, 10, 12, -1, 12, 10, 10, 17, 10, 17, 
+  -1, 54, 12, 20, 17, 49, 14, 17, 21, 17, 
+  38, 12, 4, 10, 10, 54, 17, -1, 10, 54, 
+  -1, 10, 68, 68, 6, -1, 8, -1, 10, 72, 
+  54, -1, 54, 54, 6, 17, 8, 19, 10, -1, 
+  -1, -1, -1, -1, 63, 17, 13, 19, 63, 63, 
+  51, 63, 24, 25, -1, -1, -1, -1, -1, -1, 
+  -1, 78, -1, -1, 76, -1, 63, 63, -1, -1, 
+  -1, 63, 61, -1, 63, 64, -1, -1, -1, 76, 
+  76, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, 3, -1, 5, 
+  6, 7, 8, 9, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, 19, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+  -1, -1, -1, -1, -1, -1, -1, -1};
+
+
+template <typename T> class QXmlStreamSimpleStack {
+    T *data;
+    int tos, cap;
+public:
+    inline QXmlStreamSimpleStack():data(0), tos(-1), cap(0){}
+    inline ~QXmlStreamSimpleStack(){ if (data) qFree(data); }
+
+    inline void reserve(int extraCapacity) {
+        if (tos + extraCapacity + 1 > cap) {
+            cap = qMax(tos + extraCapacity + 1, cap << 1 );
+            data = reinterpret_cast<T *>(qRealloc(data, cap * sizeof(T)));
+        }
+    }
+
+    inline T &push() { reserve(1); return data[++tos]; }
+    inline T &rawPush() { return data[++tos]; }
+    inline const T &top() const { return data[tos]; }
+    inline T &top() { return data[tos]; }
+    inline T &pop() { return data[tos--]; }
+    inline T &operator[](int index) { return data[index]; }
+    inline const T &at(int index) const { return data[index]; }
+    inline int size() const { return tos + 1; }
+    inline void resize(int s) { tos = s - 1; }
+    inline bool isEmpty() const { return tos < 0; }
+    inline void clear() { tos = -1; }
+};
+
+
+class QXmlStream
+{
+    Q_DECLARE_TR_FUNCTIONS(QXmlStream)
+};
+
+class QXmlStreamPrivateTagStack {
+public:
+    struct NamespaceDeclaration
+    {
+        QStringRef prefix;
+        QStringRef namespaceUri;
+    };
+
+    struct Tag
+    {
+        QStringRef name;
+        QStringRef qualifiedName;
+        NamespaceDeclaration namespaceDeclaration;
+        int tagStackStringStorageSize;
+        int namespaceDeclarationsSize;
+    };
+
+
+    QXmlStreamPrivateTagStack();
+    QXmlStreamSimpleStack<NamespaceDeclaration> namespaceDeclarations;
+    QString tagStackStringStorage;
+    int tagStackStringStorageSize;
+    bool tagsDone;
+
+    inline QStringRef addToStringStorage(const QStringRef &s) {
+        int pos = tagStackStringStorageSize;
+	int sz = s.size();
+	if (pos != tagStackStringStorage.size())
+	    tagStackStringStorage.resize(pos);
+        tagStackStringStorage.insert(pos, s.unicode(), sz);
+        tagStackStringStorageSize += sz;
+        return QStringRef(&tagStackStringStorage, pos, sz);
+    }
+    inline QStringRef addToStringStorage(const QString &s) {
+        int pos = tagStackStringStorageSize;
+	int sz = s.size();
+	if (pos != tagStackStringStorage.size())
+	    tagStackStringStorage.resize(pos);
+        tagStackStringStorage.insert(pos, s.unicode(), sz);
+        tagStackStringStorageSize += sz;
+        return QStringRef(&tagStackStringStorage, pos, sz);
+    }
+
+    QXmlStreamSimpleStack<Tag> tagStack;
+
+
+    inline Tag &tagStack_pop() {
+        Tag& tag = tagStack.pop();
+        tagStackStringStorageSize = tag.tagStackStringStorageSize;
+        namespaceDeclarations.resize(tag.namespaceDeclarationsSize);
+        tagsDone = tagStack.isEmpty();
+        return tag;
+    }
+    inline Tag &tagStack_push() {
+        Tag &tag = tagStack.push();
+        tag.tagStackStringStorageSize = tagStackStringStorageSize;
+        tag.namespaceDeclarationsSize = namespaceDeclarations.size();
+        return tag;
+    }
+};
+
+
+class QXmlStreamEntityResolver;
+
+class QXmlStreamReaderPrivate : public QXmlStreamReader_Table, public QXmlStreamPrivateTagStack{
+    QXmlStreamReader *q_ptr;
+    Q_DECLARE_PUBLIC(QXmlStreamReader)
+public:
+    QXmlStreamReaderPrivate(QXmlStreamReader *q);
+    ~QXmlStreamReaderPrivate();
+    void init();
+
+    QByteArray rawReadBuffer;
+    QByteArray dataBuffer;
+    uchar firstByte;
+    qint64 nbytesread;
+    QString readBuffer;
+    int readBufferPos;
+    QXmlStreamSimpleStack<uint> putStack;
+    struct Entity {
+        Entity(const QString& str = QString())
+            :value(str), external(false), unparsed(false), literal(false),
+             hasBeenParsed(false), isCurrentlyReferenced(false){}
+        static inline Entity createLiteral(const QString &entity)
+            { Entity result(entity); result.literal = result.hasBeenParsed = true; return result; }
+        QString value;
+        uint external : 1;
+        uint unparsed : 1;
+        uint literal : 1;
+        uint hasBeenParsed : 1;
+        uint isCurrentlyReferenced : 1;
+    };
+    QHash<QString, Entity> entityHash;
+    QHash<QString, Entity> parameterEntityHash;
+    QXmlStreamSimpleStack<Entity *>entityReferenceStack;
+    inline bool referenceEntity(Entity &entity) {
+        if (entity.isCurrentlyReferenced) {
+            raiseWellFormedError(QXmlStream::tr("Recursive entity detected."));
+            return false;
+        }
+        entity.isCurrentlyReferenced = true;
+        entityReferenceStack.push() = &entity;
+        injectToken(ENTITY_DONE);
+        return true;
+    }
+
+
+    QIODevice *device;
+    bool deleteDevice;
+#ifndef QT_NO_TEXTCODEC
+    QTextCodec *codec;
+    QTextDecoder *decoder;
+#endif
+    bool atEnd;
+
+    /*!
+      \sa setType()
+     */
+    QXmlStreamReader::TokenType type;
+    QXmlStreamReader::Error error;
+    QString errorString;
+    QString unresolvedEntity;
+
+    qint64 lineNumber, lastLineStart, characterOffset;
+
+
+    void write(const QString &);
+    void write(const char *);
+
+
+    QXmlStreamAttributes attributes;
+    QStringRef namespaceForPrefix(const QStringRef &prefix);
+    void resolveTag();
+    void resolvePublicNamespaces();
+    void resolveDtd();
+    uint resolveCharRef(int symbolIndex);
+    bool checkStartDocument();
+    void startDocument();
+    void parseError();
+    void checkPublicLiteral(const QStringRef &publicId);
+
+    bool scanDtd;
+    QStringRef lastAttributeValue;
+    bool lastAttributeIsCData;
+    struct DtdAttribute {
+        QStringRef tagName;
+        QStringRef attributeQualifiedName;
+        QStringRef attributePrefix;
+        QStringRef attributeName;
+        QStringRef defaultValue;
+        bool isCDATA;
+        bool isNamespaceAttribute;
+    };
+    QXmlStreamSimpleStack<DtdAttribute> dtdAttributes;
+    struct NotationDeclaration {
+        QStringRef name;
+        QStringRef publicId;
+        QStringRef systemId;
+    };
+    QXmlStreamSimpleStack<NotationDeclaration> notationDeclarations;
+    QXmlStreamNotationDeclarations publicNotationDeclarations;
+    QXmlStreamNamespaceDeclarations publicNamespaceDeclarations;
+
+    struct EntityDeclaration {
+        QStringRef name;
+        QStringRef notationName;
+        QStringRef publicId;
+        QStringRef systemId;
+        QStringRef value;
+        bool parameter;
+        bool external;
+        inline void clear() {
+            name.clear();
+            notationName.clear();
+            publicId.clear();
+            systemId.clear();
+            value.clear();
+            parameter = external = false;
+        }
+    };
+    QXmlStreamSimpleStack<EntityDeclaration> entityDeclarations;
+    QXmlStreamEntityDeclarations publicEntityDeclarations;
+
+    QStringRef text;
+
+    QStringRef prefix, namespaceUri, qualifiedName, name;
+    QStringRef processingInstructionTarget, processingInstructionData;
+    QStringRef dtdName, dtdPublicId, dtdSystemId;
+    QStringRef documentVersion, documentEncoding;
+    uint isEmptyElement : 1;
+    uint isWhitespace : 1;
+    uint isCDATA : 1;
+    uint standalone : 1;
+    uint hasCheckedStartDocument : 1;
+    uint normalizeLiterals : 1;
+    uint hasSeenTag : 1;
+    uint inParseEntity : 1;
+    uint referenceToUnparsedEntityDetected : 1;
+    uint referenceToParameterEntityDetected : 1;
+    uint hasExternalDtdSubset : 1;
+    uint lockEncoding : 1;
+    uint namespaceProcessing : 1;
+
+    int resumeReduction;
+    void resume(int rule);
+
+    inline bool entitiesMustBeDeclared() const {
+        return (!inParseEntity
+                && (standalone
+                    || (!referenceToUnparsedEntityDetected
+                        && !referenceToParameterEntityDetected // Errata 13 as of 2006-04-25
+                        && !hasExternalDtdSubset)));
+    }
+
+    // qlalr parser
+    int tos;
+    int stack_size;
+    struct Value {
+        int pos;
+        int len;
+        int prefix;
+        ushort c;
+    };
+
+    Value *sym_stack;
+    int *state_stack;
+    inline void reallocateStack();
+    inline Value &sym(int index) const
+    { return sym_stack[tos + index - 1]; }
+    QString textBuffer;
+    inline void clearTextBuffer() {
+        if (!scanDtd) {
+            textBuffer.resize(0);
+            textBuffer.reserve(256);
+        }
+    }
+    struct Attribute {
+        Value key;
+        Value value;
+    };
+    QXmlStreamSimpleStack<Attribute> attributeStack;
+
+    inline QStringRef symString(int index) {
+        const Value &symbol = sym(index);
+        return QStringRef(&textBuffer, symbol.pos + symbol.prefix, symbol.len - symbol.prefix);
+    }
+    inline QStringRef symName(int index) {
+        const Value &symbol = sym(index);
+        return QStringRef(&textBuffer, symbol.pos, symbol.len);
+    }
+    inline QStringRef symString(int index, int offset) {
+        const Value &symbol = sym(index);
+        return QStringRef(&textBuffer, symbol.pos + symbol.prefix + offset, symbol.len - symbol.prefix -  offset);
+    }
+    inline QStringRef symPrefix(int index) {
+        const Value &symbol = sym(index);
+        if (symbol.prefix)
+            return QStringRef(&textBuffer, symbol.pos, symbol.prefix - 1);
+        return QStringRef();
+    }
+    inline QStringRef symString(const Value &symbol) {
+        return QStringRef(&textBuffer, symbol.pos + symbol.prefix, symbol.len - symbol.prefix);
+    }
+    inline QStringRef symName(const Value &symbol) {
+        return QStringRef(&textBuffer, symbol.pos, symbol.len);
+    }
+    inline QStringRef symPrefix(const Value &symbol) {
+        if (symbol.prefix)
+            return QStringRef(&textBuffer, symbol.pos, symbol.prefix - 1);
+        return QStringRef();
+    }
+
+    inline void clearSym() { Value &val = sym(1); val.pos = textBuffer.size(); val.len = 0; }
+
+
+    short token;
+    ushort token_char;
+
+    uint filterCarriageReturn();
+    inline uint getChar();
+    inline uint peekChar();
+    inline void putChar(uint c) { putStack.push() = c; }
+    inline void putChar(QChar c) { putStack.push() =  c.unicode(); }
+    void putString(const QString &s, int from = 0);
+    void putStringLiteral(const QString &s);
+    void putReplacement(const QString &s);
+    void putReplacementInAttributeValue(const QString &s);
+    ushort getChar_helper();
+
+    bool scanUntil(const char *str, short tokenToInject = -1);
+    bool scanString(const char *str, short tokenToInject, bool requireSpace = true);
+    inline void injectToken(ushort tokenToInject) {
+        putChar(int(tokenToInject) << 16);
+    }
+
+    QString resolveUndeclaredEntity(const QString &name);
+    void parseEntity(const QString &value);
+    QXmlStreamReaderPrivate *entityParser;
+
+    bool scanAfterLangleBang();
+    bool scanPublicOrSystem();
+    bool scanNData();
+    bool scanAfterDefaultDecl();
+    bool scanAttType();
+
+
+    // scan optimization functions. Not strictly necessary but LALR is
+    // not very well suited for scanning fast
+    int fastScanLiteralContent();
+    int fastScanSpace();
+    int fastScanContentCharList();
+    int fastScanName(int *prefix = 0);
+    inline int fastScanNMTOKEN();
+
+
+    bool parse();
+    inline void consumeRule(int);
+
+    void raiseError(QXmlStreamReader::Error error, const QString& message = QString());
+    void raiseWellFormedError(const QString &message);
+
+    QXmlStreamEntityResolver *entityResolver;
+
+private:
+    /*! \internal
+       Never assign to variable type directly. Instead use this function.
+
+       This prevents errors from being ignored.
+     */
+    inline void setType(const QXmlStreamReader::TokenType t)
+    {
+        if(type != QXmlStreamReader::Invalid)
+            type = t;
+    }
+};
+
+bool QXmlStreamReaderPrivate::parse()
+{
+    // cleanup currently reported token
+
+    switch (type) {
+    case QXmlStreamReader::StartElement:
+        name.clear();
+        prefix.clear();
+	qualifiedName.clear();
+        namespaceUri.clear();
+        if (publicNamespaceDeclarations.size())
+            publicNamespaceDeclarations.clear();
+        if (attributes.size())
+            attributes.resize(0);
+        if (isEmptyElement) {
+            setType(QXmlStreamReader::EndElement);
+            Tag &tag = tagStack_pop();
+            namespaceUri = tag.namespaceDeclaration.namespaceUri;
+            name = tag.name;
+	    qualifiedName = tag.qualifiedName;
+            isEmptyElement = false;
+            return true;
+        }
+        clearTextBuffer();
+        break;
+    case QXmlStreamReader::EndElement:
+        name.clear();
+        prefix.clear();
+	qualifiedName.clear();
+        namespaceUri.clear();
+        clearTextBuffer();
+        break;
+    case QXmlStreamReader::DTD:
+        publicNotationDeclarations.clear();
+        publicEntityDeclarations.clear();
+        dtdName.clear();
+        dtdPublicId.clear();
+        dtdSystemId.clear();
+        // fall through
+    case QXmlStreamReader::Comment:
+    case QXmlStreamReader::Characters:
+        isCDATA = false;
+	isWhitespace = true;
+        text.clear();
+        clearTextBuffer();
+        break;
+    case QXmlStreamReader::EntityReference:
+        text.clear();
+        name.clear();
+        clearTextBuffer();
+        break;
+    case QXmlStreamReader::ProcessingInstruction:
+        processingInstructionTarget.clear();
+        processingInstructionData.clear();
+	clearTextBuffer();
+        break;
+    case QXmlStreamReader::NoToken:
+    case QXmlStreamReader::Invalid:
+        break;
+    case QXmlStreamReader::StartDocument:
+	lockEncoding = true;
+        documentVersion.clear();
+        documentEncoding.clear();
+#ifndef QT_NO_TEXTCODEC
+	if(decoder->hasFailure()) {
+	    raiseWellFormedError(QXmlStream::tr("Encountered incorrectly encoded content."));
+	    readBuffer.clear();
+	    return false;
+	}
+#endif
+        // fall through
+    default:
+        clearTextBuffer();
+        ;
+    }
+
+    setType(QXmlStreamReader::NoToken);
+
+
+    // the main parse loop
+    int act, r;
+
+    if (resumeReduction) {
+        act = state_stack[tos-1];
+        r = resumeReduction;
+        resumeReduction = 0;
+        goto ResumeReduction;
+    }
+
+    act = state_stack[tos];
+
+    forever {
+        if (token == -1 && - TERMINAL_COUNT != action_index[act]) {
+            uint cu = getChar();
+            token = NOTOKEN;
+            token_char = cu;
+            if (cu & 0xff0000) {
+                token = cu >> 16;
+            } else switch (token_char) {
+            case 0xfffe:
+            case 0xffff:
+                token = ERROR;
+                break;
+            case '\r':
+                token = SPACE;
+                if (cu == '\r') {
+                    if ((token_char = filterCarriageReturn())) {
+                        ++lineNumber;
+                        lastLineStart = characterOffset + readBufferPos;
+                        break;
+                    }
+                } else {
+                    break;
+                }
+                // fall through
+            case '\0': {
+                token = EOF_SYMBOL;
+                if (!tagsDone && !inParseEntity) {
+                    int a = t_action(act, token);
+                    if (a < 0) {
+                        raiseError(QXmlStreamReader::PrematureEndOfDocumentError);
+                        return false;
+                    }
+                }
+
+            } break;
+            case '\n':
+                ++lineNumber;
+                lastLineStart = characterOffset + readBufferPos;
+            case ' ':
+            case '\t':
+                token = SPACE;
+                break;
+            case '&':
+                token = AMPERSAND;
+                break;
+            case '#':
+                token = HASH;
+                break;
+            case '\'':
+                token = QUOTE;
+                break;
+            case '\"':
+                token = DBLQUOTE;
+                break;
+            case '<':
+                token = LANGLE;
+                break;
+            case '>':
+                token = RANGLE;
+                break;
+            case '[':
+                token = LBRACK;
+                break;
+            case ']':
+                token = RBRACK;
+                break;
+            case '(':
+                token = LPAREN;
+                break;
+            case ')':
+                token = RPAREN;
+                break;
+            case '|':
+                token = PIPE;
+                break;
+            case '=':
+                token = EQ;
+                break;
+            case '%':
+                token = PERCENT;
+                break;
+            case '/':
+                token = SLASH;
+                break;
+            case ':':
+                token = COLON;
+                break;
+            case ';':
+                token = SEMICOLON;
+                break;
+            case ',':
+                token = COMMA;
+                break;
+            case '-':
+                token = DASH;
+                break;
+            case '+':
+                token = PLUS;
+                break;
+            case '*':
+                token = STAR;
+                break;
+            case '.':
+                token = DOT;
+                break;
+            case '?':
+                token = QUESTIONMARK;
+                break;
+            case '!':
+                token = BANG;
+                break;
+            case '0':
+            case '1':
+            case '2':
+            case '3':
+            case '4':
+            case '5':
+            case '6':
+            case '7':
+            case '8':
+            case '9':
+                token = DIGIT;
+                break;
+            default:
+                if (cu < 0x20)
+                    token = NOTOKEN;
+                else
+                    token = LETTER;
+                break;
+            }
+        }
+
+        act = t_action (act, token);
+        if (act == ACCEPT_STATE) {
+            // reset the parser in case someone resumes (process instructions can follow a valid document)
+            tos = 0;
+            state_stack[tos++] = 0;
+            state_stack[tos] = 0;
+            return true;
+        } else if (act > 0) {
+            if (++tos == stack_size)
+                reallocateStack();
+
+            Value &val = sym_stack[tos];
+            val.c = token_char;
+            val.pos = textBuffer.size();
+            val.prefix = 0;
+            val.len = 1;
+            if (token_char)
+                textBuffer += QChar(token_char);
+
+            state_stack[tos] = act;
+            token = -1;
+
+
+        } else if (act < 0) {
+            r = - act - 1;
+
+#if defined (QLALR_DEBUG)
+            int ridx = rule_index[r];
+            printf ("%3d) %s ::=", r + 1, spell[rule_info[ridx]]);
+            ++ridx;
+            for (int i = ridx; i < ridx + rhs[r]; ++i) {
+                int symbol = rule_info[i];
+                if (const char *name = spell[symbol])
+                    printf (" %s", name);
+                else
+                    printf (" #%d", symbol);
+            }
+            printf ("\n");
+#endif
+
+            tos -= rhs[r];
+            act = state_stack[tos++];
+        ResumeReduction:
+            switch (r) {
+
+        case 0:
+            setType(QXmlStreamReader::EndDocument);
+        break;
+
+        case 1:
+            if (type != QXmlStreamReader::Invalid) {
+                if (hasSeenTag || inParseEntity) {
+                    setType(QXmlStreamReader::EndDocument);
+                } else {
+                    raiseError(QXmlStreamReader::NotWellFormedError, QXmlStream::tr("Start tag expected."));
+                    // reset the parser
+                    tos = 0;
+                    state_stack[tos++] = 0;
+                    state_stack[tos] = 0;
+                    return false;
+                }
+            }
+        break;
+
+        case 10:
+            entityReferenceStack.pop()->isCurrentlyReferenced = false;
+            clearSym();
+        break;
+
+        case 11:
+            if (!scanString(spell[VERSION], VERSION, false) && atEnd) {
+                resume(11);
+                return false;
+            }
+        break;
+
+        case 12:
+            setType(QXmlStreamReader::StartDocument);
+            documentVersion = symString(6);
+            startDocument();
+        break;
+
+        case 13:
+            hasExternalDtdSubset = true;
+            dtdSystemId = symString(2);
+        break;
+
+        case 14:
+            checkPublicLiteral(symString(2));
+            dtdPublicId = symString(2);
+            dtdSystemId = symString(4);
+            hasExternalDtdSubset = true;
+        break;
+
+        case 16:
+            if (!scanPublicOrSystem() && atEnd) {
+                resume(16);
+                return false;
+            }
+            dtdName = symString(3);
+        break;
+
+        case 17:
+        case 18:
+            dtdName = symString(3);
+            // fall through
+
+        case 19:
+        case 20:
+            setType(QXmlStreamReader::DTD);
+            text = &textBuffer;
+        break;
+
+        case 21:
+            scanDtd = true;
+        break;
+
+        case 22:
+            scanDtd = false;
+        break;
+
+        case 36:
+            if (!scanString(spell[EMPTY], EMPTY, false)
+                && !scanString(spell[ANY], ANY, false)
+                && atEnd) {
+                resume(36);
+                return false;
+            }
+        break;
+
+        case 42:
+            if (!scanString(spell[PCDATA], PCDATA, false) && atEnd) {
+                resume(42);
+                return false;
+            }
+        break;
+
+        case 67: {
+            lastAttributeIsCData = true;
+        } break;
+
+        case 77:
+            if (!scanAfterDefaultDecl() && atEnd) {
+                resume(77);
+                return false;
+            }
+        break;
+
+        case 82:
+                sym(1) = sym(2);
+                lastAttributeValue.clear();
+                lastAttributeIsCData = false;
+                if (!scanAttType() && atEnd) {
+                    resume(82);
+                    return false;
+                }
+        break;
+
+        case 83: {
+            DtdAttribute &dtdAttribute = dtdAttributes.push();
+            dtdAttribute.tagName.clear();
+            dtdAttribute.isCDATA = lastAttributeIsCData;
+            dtdAttribute.attributePrefix = addToStringStorage(symPrefix(1));
+            dtdAttribute.attributeName = addToStringStorage(symString(1));
+            dtdAttribute.attributeQualifiedName = addToStringStorage(symName(1));
+            dtdAttribute.isNamespaceAttribute = (dtdAttribute.attributePrefix == QLatin1String("xmlns")
+                                                 || (dtdAttribute.attributePrefix.isEmpty()
+                                                     && dtdAttribute.attributeName == QLatin1String("xmlns")));
+            if (lastAttributeValue.isNull()) {
+                dtdAttribute.defaultValue.clear();
+            } else {
+                if (dtdAttribute.isCDATA)
+                    dtdAttribute.defaultValue = addToStringStorage(lastAttributeValue);
+                else
+                    dtdAttribute.defaultValue = addToStringStorage(lastAttributeValue.toString().simplified());
+
+            }
+        } break;
+
+        case 87: {
+            if (referenceToUnparsedEntityDetected && !standalone)
+                break;
+            int n = dtdAttributes.size();
+            QStringRef tagName = addToStringStorage(symName(3));
+            while (n--) {
+                DtdAttribute &dtdAttribute = dtdAttributes[n];
+                if (!dtdAttribute.tagName.isNull())
+                    break;
+                dtdAttribute.tagName = tagName;
+                for (int i = 0; i < n; ++i) {
+                    if ((dtdAttributes[i].tagName.isNull() || dtdAttributes[i].tagName == tagName)
+                        && dtdAttributes[i].attributeQualifiedName == dtdAttribute.attributeQualifiedName) {
+                        dtdAttribute.attributeQualifiedName.clear(); // redefined, delete it
+                        break;
+                    }
+                }
+            }
+        } break;
+
+        case 88: {
+            if (!scanPublicOrSystem() && atEnd) {
+                resume(88);
+                return false;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.push();
+            entityDeclaration.clear();
+            entityDeclaration.name = symString(3);
+        } break;
+
+        case 89: {
+            if (!scanPublicOrSystem() && atEnd) {
+                resume(89);
+                return false;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.push();
+            entityDeclaration.clear();
+            entityDeclaration.name = symString(5);
+            entityDeclaration.parameter = true;
+        } break;
+
+        case 90: {
+            if (!scanNData() && atEnd) {
+                resume(90);
+                return false;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.top();
+            entityDeclaration.systemId = symString(3);
+            entityDeclaration.external = true;
+        } break;
+
+        case 91: {
+            if (!scanNData() && atEnd) {
+                resume(91);
+                return false;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.top();
+            checkPublicLiteral((entityDeclaration.publicId = symString(3)));
+            entityDeclaration.systemId = symString(5);
+            entityDeclaration.external = true;
+        } break;
+
+        case 92: {
+            EntityDeclaration &entityDeclaration = entityDeclarations.top();
+            entityDeclaration.notationName = symString(3);
+            if (entityDeclaration.parameter)
+                raiseWellFormedError(QXmlStream::tr("NDATA in parameter entity declaration."));
+        }
+        //fall through
+
+        case 93:
+        case 94: {
+            if (referenceToUnparsedEntityDetected && !standalone) {
+                entityDeclarations.pop();
+                break;
+            }
+            EntityDeclaration &entityDeclaration = entityDeclarations.top();
+            if (!entityDeclaration.external)
+                entityDeclaration.value = symString(2);
+            QString entityName = entityDeclaration.name.toString();
+            QHash<QString, Entity> &hash = entityDeclaration.parameter ? parameterEntityHash : entityHash;
+            if (!hash.contains(entityName)) {
+                Entity entity(entityDeclaration.value.toString());
+                entity.unparsed = (!entityDeclaration.notationName.isNull());
+                entity.external = entityDeclaration.external;
+                hash.insert(entityName, entity);
+            }
+        } break;
+
+        case 95: {
+            setType(QXmlStreamReader::ProcessingInstruction);
+            int pos = sym(4).pos + sym(4).len;
+            processingInstructionTarget = symString(3);
+            if (scanUntil("?>")) {
+                processingInstructionData = QStringRef(&textBuffer, pos, textBuffer.size() - pos - 2);
+                const QString piTarget(processingInstructionTarget.toString());
+                if (!piTarget.compare(QLatin1String("xml"), Qt::CaseInsensitive)) {
+                    raiseWellFormedError(QXmlStream::tr("XML declaration not at start of document."));
+                }
+                else if(!QXmlUtils::isNCName(piTarget))
+                    raiseWellFormedError(QXmlStream::tr("%1 is an invalid processing instruction name.").arg(piTarget));
+            } else if (type != QXmlStreamReader::Invalid){
+                resume(95);
+                return false;
+            }
+        } break;
+
+        case 96:
+            setType(QXmlStreamReader::ProcessingInstruction);
+            processingInstructionTarget = symString(3);
+            if (!processingInstructionTarget.toString().compare(QLatin1String("xml"), Qt::CaseInsensitive))
+                raiseWellFormedError(QXmlStream::tr("Invalid processing instruction name."));
+        break;
+
+        case 97:
+            if (!scanAfterLangleBang() && atEnd) {
+                resume(97);
+                return false;
+            }
+        break;
+
+        case 98:
+            if (!scanUntil("--")) {
+                resume(98);
+                return false;
+            }
+        break;
+
+        case 99: {
+            setType(QXmlStreamReader::Comment);
+            int pos = sym(1).pos + 4;
+            text = QStringRef(&textBuffer, pos, textBuffer.size() - pos - 3);
+        } break;
+
+        case 100: {
+            setType(QXmlStreamReader::Characters);
+            isCDATA = true;
+	    isWhitespace = false;
+            int pos = sym(2).pos;
+            if (scanUntil("]]>", -1)) {
+                text = QStringRef(&textBuffer, pos, textBuffer.size() - pos - 3);
+            } else {
+                resume(100);
+                return false;
+            }
+        } break;
+
+        case 101: {
+            if (!scanPublicOrSystem() && atEnd) {
+                resume(101);
+                return false;
+            }
+            NotationDeclaration &notationDeclaration = notationDeclarations.push();
+            notationDeclaration.name = symString(3);
+        } break;
+
+        case 102: {
+            NotationDeclaration &notationDeclaration = notationDeclarations.top();
+            notationDeclaration.systemId = symString(3);
+            notationDeclaration.publicId.clear();
+        } break;
+
+        case 103: {
+            NotationDeclaration &notationDeclaration = notationDeclarations.top();
+            notationDeclaration.systemId.clear();
+            checkPublicLiteral((notationDeclaration.publicId = symString(3)));
+        } break;
+
+        case 104: {
+            NotationDeclaration &notationDeclaration = notationDeclarations.top();
+            checkPublicLiteral((notationDeclaration.publicId = symString(3)));
+            notationDeclaration.systemId = symString(5);
+        } break;
+
+        case 128:
+            isWhitespace = false;
+            // fall through
+
+        case 129:
+            sym(1).len += fastScanContentCharList();
+            if (atEnd && !inParseEntity) {
+                resume(129);
+                return false;
+            }
+	break;
+
+        case 138:
+	    if (!textBuffer.isEmpty()) {
+                setType(QXmlStreamReader::Characters);
+                text = &textBuffer;
+	    }
+	break;
+
+        case 139:
+        case 140:
+            clearSym();
+        break;
+
+        case 141:
+        case 142:
+            sym(1) = sym(2);
+        break;
+
+        case 143:
+        case 144:
+        case 145:
+        case 146:
+            sym(1).len += sym(2).len;
+        break;
+
+        case 172:
+	    if (normalizeLiterals)
+                textBuffer.data()[textBuffer.size()-1] = QLatin1Char(' ');
+        break;
+
+        case 173:
+            sym(1).len += fastScanLiteralContent();
+            if (atEnd) {
+                resume(173);
+                return false;
+            }
+        break;
+
+        case 174: {
+            if (!QXmlUtils::isPublicID(symString(1).toString())) {
+                raiseWellFormedError(QXmlStream::tr("%1 is an invalid PUBLIC identifier.").arg(symString(1).toString()));
+                resume(174);
+                return false;
+            }
+        } break;
+
+        case 175:
+        case 176:
+            clearSym();
+        break;
+
+        case 177:
+        case 178:
+	    sym(1) = sym(2);
+        break;
+
+        case 179:
+        case 180:
+        case 181:
+        case 182:
+            sym(1).len += sym(2).len;
+        break;
+
+        case 212:
+        case 213:
+            clearSym();
+        break;
+
+        case 214:
+        case 215:
+            sym(1) = sym(2);
+            lastAttributeValue = symString(1);
+        break;
+
+        case 216:
+        case 217:
+        case 218:
+        case 219:
+            sym(1).len += sym(2).len;
+        break;
+
+        case 228: {
+            QStringRef prefix = symPrefix(1);
+            if (prefix.isEmpty() && symString(1) == QLatin1String("xmlns") && namespaceProcessing) {
+                NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
+                namespaceDeclaration.prefix.clear();
+
+                const QStringRef ns(symString(5));
+                if(ns == QLatin1String("http://www.w3.org/2000/xmlns/") ||
+                   ns == QLatin1String("http://www.w3.org/XML/1998/namespace"))
+                    raiseWellFormedError(QXmlStream::tr("Illegal namespace declaration."));
+                else
+                    namespaceDeclaration.namespaceUri = addToStringStorage(ns);
+            } else {
+                Attribute &attribute = attributeStack.push();
+                attribute.key = sym(1);
+                attribute.value = sym(5);
+
+                QStringRef attributeQualifiedName = symName(1);
+                bool normalize = false;
+                for (int a = 0; a < dtdAttributes.size(); ++a) {
+                    DtdAttribute &dtdAttribute = dtdAttributes[a];
+                    if (!dtdAttribute.isCDATA
+                        && dtdAttribute.tagName == qualifiedName
+                        && dtdAttribute.attributeQualifiedName == attributeQualifiedName
+                        ) {
+                        normalize = true;
+                        break;
+                    }
+                }
+                if (normalize) {
+                    // normalize attribute value (simplify and trim)
+                    int pos = textBuffer.size();
+                    int n = 0;
+                    bool wasSpace = true;
+                    for (int i = 0; i < attribute.value.len; ++i) {
+                        QChar c = textBuffer.at(attribute.value.pos + i);
+                        if (c.unicode() == ' ') {
+                            if (wasSpace)
+                                continue;
+                            wasSpace = true;
+                        } else {
+                            wasSpace = false;
+                        }
+                        textBuffer += textBuffer.at(attribute.value.pos + i);
+                        ++n;
+                    }
+                    if (wasSpace)
+                        while (n && textBuffer.at(pos + n - 1).unicode() == ' ')
+                            --n;
+                    attribute.value.pos = pos;
+                    attribute.value.len = n;
+                }
+                if (prefix == QLatin1String("xmlns") && namespaceProcessing) {
+                    NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
+                    QStringRef namespacePrefix = symString(attribute.key);
+                    QStringRef namespaceUri = symString(attribute.value);
+                    attributeStack.pop();
+                    if (((namespacePrefix == QLatin1String("xml"))
+                         ^ (namespaceUri == QLatin1String("http://www.w3.org/XML/1998/namespace")))
+                        || namespaceUri == QLatin1String("http://www.w3.org/2000/xmlns/")
+                        || namespaceUri.isEmpty()
+                        || namespacePrefix == QLatin1String("xmlns"))
+                        raiseWellFormedError(QXmlStream::tr("Illegal namespace declaration."));
+
+                    namespaceDeclaration.prefix = addToStringStorage(namespacePrefix);
+                    namespaceDeclaration.namespaceUri = addToStringStorage(namespaceUri);
+                }
+            }
+        } break;
+
+        case 234: {
+            normalizeLiterals = true;
+            Tag &tag = tagStack_push();
+            prefix = tag.namespaceDeclaration.prefix  = addToStringStorage(symPrefix(2));
+            name = tag.name = addToStringStorage(symString(2));
+            qualifiedName = tag.qualifiedName = addToStringStorage(symName(2));
+            if ((!prefix.isEmpty() && !QXmlUtils::isNCName(prefix)) || !QXmlUtils::isNCName(name))
+                raiseWellFormedError(QXmlStream::tr("Invalid XML name."));
+        } break;
+
+        case 235:
+            isEmptyElement = true;
+        // fall through
+
+        case 236:
+            setType(QXmlStreamReader::StartElement);
+            resolveTag();
+            if (tagStack.size() == 1 && hasSeenTag && !inParseEntity)
+                raiseWellFormedError(QXmlStream::tr("Extra content at end of document."));
+            hasSeenTag = true;
+        break;
+
+        case 237: {
+            setType(QXmlStreamReader::EndElement);
+            Tag &tag = tagStack_pop();
+
+            namespaceUri = tag.namespaceDeclaration.namespaceUri;
+            name = tag.name;
+            qualifiedName = tag.qualifiedName;
+            if (qualifiedName != symName(3))
+                raiseWellFormedError(QXmlStream::tr("Opening and ending tag mismatch."));
+        } break;
+
+        case 238:
+            if (entitiesMustBeDeclared()) {
+                raiseWellFormedError(QXmlStream::tr("Entity '%1' not declared.").arg(unresolvedEntity));
+                break;
+            }
+            setType(QXmlStreamReader::EntityReference);
+            name = &unresolvedEntity;
+	break;
+
+        case 239: {
+            sym(1).len += sym(2).len + 1;
+            QString reference = symString(2).toString();
+            if (entityHash.contains(reference)) {
+                Entity &entity = entityHash[reference];
+                if (entity.unparsed) {
+                    raiseWellFormedError(QXmlStream::tr("Reference to unparsed entity '%1'.").arg(reference));
+                } else {
+                    if (!entity.hasBeenParsed) {
+                        parseEntity(entity.value);
+                        entity.hasBeenParsed = true;
+                    }
+                    if (entity.literal)
+                        putStringLiteral(entity.value);
+                    else if (referenceEntity(entity))
+                        putReplacement(entity.value);
+                    textBuffer.chop(2 + sym(2).len);
+                    clearSym();
+                }
+                break;
+            }
+
+            if (entityResolver) {
+                QString replacementText = resolveUndeclaredEntity(reference);
+                if (!replacementText.isNull()) {
+                    putReplacement(replacementText);
+                    textBuffer.chop(2 + sym(2).len);
+                    clearSym();
+                    break;
+                }
+            }
+
+	    injectToken(UNRESOLVED_ENTITY);
+	    unresolvedEntity = symString(2).toString();
+	    textBuffer.chop(2 + sym(2).len);
+	    clearSym();
+
+        } break;
+
+        case 240: {
+            sym(1).len += sym(2).len + 1;
+            QString reference = symString(2).toString();
+            if (parameterEntityHash.contains(reference)) {
+                referenceToParameterEntityDetected = true;
+                Entity &entity = parameterEntityHash[reference];
+                if (entity.unparsed || entity.external) {
+                    referenceToUnparsedEntityDetected = true;
+                } else {
+                    if (referenceEntity(entity))
+                        putString(entity.value);
+                    textBuffer.chop(2 + sym(2).len);
+                    clearSym();
+                }
+            } else if (entitiesMustBeDeclared()) {
+                raiseWellFormedError(QXmlStream::tr("Entity '%1' not declared.").arg(symString(2).toString()));
+            }
+        } break;
+
+        case 241:
+            sym(1).len += sym(2).len + 1;
+        break;
+
+        case 242: {
+            sym(1).len += sym(2).len + 1;
+            QString reference = symString(2).toString();
+            if (entityHash.contains(reference)) {
+                Entity &entity = entityHash[reference];
+                if (entity.unparsed || entity.value.isNull()) {
+                    raiseWellFormedError(QXmlStream::tr("Reference to external entity '%1' in attribute value.").arg(reference));
+                    break;
+                }
+                if (!entity.hasBeenParsed) {
+                    parseEntity(entity.value);
+                    entity.hasBeenParsed = true;
+                }
+                if (entity.literal)
+                    putStringLiteral(entity.value);
+                else if (referenceEntity(entity))
+                    putReplacementInAttributeValue(entity.value);
+                textBuffer.chop(2 + sym(2).len);
+                clearSym();
+                break;
+            }
+
+            if (entityResolver) {
+                QString replacementText = resolveUndeclaredEntity(reference);
+                if (!replacementText.isNull()) {
+                    putReplacement(replacementText);
+                    textBuffer.chop(2 + sym(2).len);
+                    clearSym();
+                    break;
+                }
+            }
+            if (entitiesMustBeDeclared()) {
+                raiseWellFormedError(QXmlStream::tr("Entity '%1' not declared.").arg(reference));
+            }
+        } break;
+
+        case 243: {
+            if (uint s = resolveCharRef(3)) {
+                if (s >= 0xffff)
+                    putStringLiteral(QString::fromUcs4(&s, 1));
+                else
+                    putChar((LETTER << 16) | s);
+
+                textBuffer.chop(3 + sym(3).len);
+                clearSym();
+            } else {
+                raiseWellFormedError(QXmlStream::tr("Invalid character reference."));
+            }
+        } break;
+
+        case 246:
+        case 247:
+            sym(1).len += sym(2).len;
+        break;
+
+        case 258:
+            sym(1).len += fastScanSpace();
+            if (atEnd) {
+                resume(258);
+                return false;
+            }
+        break;
+
+        case 261: {
+            sym(1).len += fastScanName(&sym(1).prefix);
+            if (atEnd) {
+                resume(261);
+                return false;
+            }
+        } break;
+
+        case 262:
+            sym(1).len += fastScanName();
+            if (atEnd) {
+                resume(262);
+                return false;
+            }
+        break;
+
+        case 263:
+        case 264:
+        case 265:
+        case 266:
+        case 267:
+            sym(1).len += fastScanNMTOKEN();
+            if (atEnd) {
+                resume(267);
+                return false;
+            }
+
+        break;
+
+    default:
+        ;
+    } // switch
+            act = state_stack[tos] = nt_action (act, lhs[r] - TERMINAL_COUNT);
+            if (type != QXmlStreamReader::NoToken)
+                return true;
+        } else {
+            parseError();
+            break;
+        }
+    }
+    return false;
+}
+
+#endif // QXMLSTREAM_P_H
+
diff --git a/src/corelib/xml/qxmlutils.cpp b/src/corelib/xml/qxmlutils.cpp
new file mode 100644
index 0000000000..26ecc514a3
--- /dev/null
+++ b/src/corelib/xml/qxmlutils.cpp
@@ -0,0 +1,390 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QRegExp>
+#include <QString>
+
+#include "qxmlutils_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/* TODO:
+ * - isNameChar() doesn't have to be public, it's only needed in
+ *   qdom.cpp -- refactor fixedXmlName() to use isNCName()
+ * - A lot of functions can be inlined.
+ */
+
+class QXmlCharRange
+{
+public:
+    ushort min;
+    ushort max;
+};
+typedef const QXmlCharRange *RangeIter;
+
+/*!
+  Performs a binary search between \a begin and \a end inclusive, to check whether \a
+  c is contained. Remember that the QXmlCharRange instances must be in numeric order.
+ */
+bool QXmlUtils::rangeContains(RangeIter begin, RangeIter end, const QChar c)
+{
+    const ushort cp(c.unicode());
+
+    // check the first two ranges "manually" as characters in that
+    // range are checked very often and we avoid the binary search below.
+ 
+    if (cp <= begin->max)
+        return cp >= begin->min;
+
+    ++begin;
+
+    if (begin == end)
+        return false;
+
+    if (cp <= begin->max)
+        return cp >= begin->min;
+
+    while (begin != end) {
+        int delta = (end - begin) / 2;
+        RangeIter mid = begin + delta;
+
+        if (mid->min > cp)
+            end = mid;
+        else if (mid->max < cp)
+            begin = mid;
+        else
+            return true;
+
+        if (delta == 0)
+            break;
+    }
+
+    return false;
+}
+
+// [85] BaseChar ::= ...
+
+static const QXmlCharRange g_base_begin[] =
+{
+    {0x0041, 0x005A}, {0x0061, 0x007A}, {0x00C0, 0x00D6}, {0x00D8, 0x00F6}, {0x00F8, 0x00FF},
+    {0x0100, 0x0131}, {0x0134, 0x013E}, {0x0141, 0x0148}, {0x014A, 0x017E}, {0x0180, 0x01C3},
+    {0x01CD, 0x01F0}, {0x01F4, 0x01F5}, {0x01FA, 0x0217}, {0x0250, 0x02A8}, {0x02BB, 0x02C1},
+    {0x0386, 0x0386}, {0x0388, 0x038A}, {0x038C, 0x038C}, {0x038E, 0x03A1}, {0x03A3, 0x03CE},
+    {0x03D0, 0x03D6}, {0x03DA, 0x03DA}, {0x03DC, 0x03DC}, {0x03DE, 0x03DE}, {0x03E0, 0x03E0},
+    {0x03E2, 0x03F3}, {0x0401, 0x040C}, {0x040E, 0x044F}, {0x0451, 0x045C}, {0x045E, 0x0481},
+    {0x0490, 0x04C4}, {0x04C7, 0x04C8}, {0x04CB, 0x04CC}, {0x04D0, 0x04EB}, {0x04EE, 0x04F5},
+    {0x04F8, 0x04F9}, {0x0531, 0x0556}, {0x0559, 0x0559}, {0x0561, 0x0586}, {0x05D0, 0x05EA},
+    {0x05F0, 0x05F2}, {0x0621, 0x063A}, {0x0641, 0x064A}, {0x0671, 0x06B7}, {0x06BA, 0x06BE},
+    {0x06C0, 0x06CE}, {0x06D0, 0x06D3}, {0x06D5, 0x06D5}, {0x06E5, 0x06E6}, {0x0905, 0x0939},
+    {0x093D, 0x093D}, {0x0958, 0x0961}, {0x0985, 0x098C}, {0x098F, 0x0990}, {0x0993, 0x09A8},
+    {0x09AA, 0x09B0}, {0x09B2, 0x09B2}, {0x09B6, 0x09B9}, {0x09DC, 0x09DD}, {0x09DF, 0x09E1},
+    {0x09F0, 0x09F1}, {0x0A05, 0x0A0A}, {0x0A0F, 0x0A10}, {0x0A13, 0x0A28}, {0x0A2A, 0x0A30},
+    {0x0A32, 0x0A33}, {0x0A35, 0x0A36}, {0x0A38, 0x0A39}, {0x0A59, 0x0A5C}, {0x0A5E, 0x0A5E},
+    {0x0A72, 0x0A74}, {0x0A85, 0x0A8B}, {0x0A8D, 0x0A8D}, {0x0A8F, 0x0A91}, {0x0A93, 0x0AA8},
+    {0x0AAA, 0x0AB0}, {0x0AB2, 0x0AB3}, {0x0AB5, 0x0AB9}, {0x0ABD, 0x0ABD}, {0x0AE0, 0x0AE0},
+    {0x0B05, 0x0B0C}, {0x0B0F, 0x0B10}, {0x0B13, 0x0B28}, {0x0B2A, 0x0B30}, {0x0B32, 0x0B33},
+    {0x0B36, 0x0B39}, {0x0B3D, 0x0B3D}, {0x0B5C, 0x0B5D}, {0x0B5F, 0x0B61}, {0x0B85, 0x0B8A},
+    {0x0B8E, 0x0B90}, {0x0B92, 0x0B95}, {0x0B99, 0x0B9A}, {0x0B9C, 0x0B9C}, {0x0B9E, 0x0B9F},
+    {0x0BA3, 0x0BA4}, {0x0BA8, 0x0BAA}, {0x0BAE, 0x0BB5}, {0x0BB7, 0x0BB9}, {0x0C05, 0x0C0C},
+    {0x0C0E, 0x0C10}, {0x0C12, 0x0C28}, {0x0C2A, 0x0C33}, {0x0C35, 0x0C39}, {0x0C60, 0x0C61},
+    {0x0C85, 0x0C8C}, {0x0C8E, 0x0C90}, {0x0C92, 0x0CA8}, {0x0CAA, 0x0CB3}, {0x0CB5, 0x0CB9},
+    {0x0CDE, 0x0CDE}, {0x0CE0, 0x0CE1}, {0x0D05, 0x0D0C}, {0x0D0E, 0x0D10}, {0x0D12, 0x0D28},
+    {0x0D2A, 0x0D39}, {0x0D60, 0x0D61}, {0x0E01, 0x0E2E}, {0x0E30, 0x0E30}, {0x0E32, 0x0E33},
+    {0x0E40, 0x0E45}, {0x0E81, 0x0E82}, {0x0E84, 0x0E84}, {0x0E87, 0x0E88}, {0x0E8A, 0x0E8A},
+    {0x0E8D, 0x0E8D}, {0x0E94, 0x0E97}, {0x0E99, 0x0E9F}, {0x0EA1, 0x0EA3}, {0x0EA5, 0x0EA5},
+    {0x0EA7, 0x0EA7}, {0x0EAA, 0x0EAB}, {0x0EAD, 0x0EAE}, {0x0EB0, 0x0EB0}, {0x0EB2, 0x0EB3},
+    {0x0EBD, 0x0EBD}, {0x0EC0, 0x0EC4}, {0x0F40, 0x0F47}, {0x0F49, 0x0F69}, {0x10A0, 0x10C5},
+    {0x10D0, 0x10F6}, {0x1100, 0x1100}, {0x1102, 0x1103}, {0x1105, 0x1107}, {0x1109, 0x1109},
+    {0x110B, 0x110C}, {0x110E, 0x1112}, {0x113C, 0x113C}, {0x113E, 0x113E}, {0x1140, 0x1140},
+    {0x114C, 0x114C}, {0x114E, 0x114E}, {0x1150, 0x1150}, {0x1154, 0x1155}, {0x1159, 0x1159},
+    {0x115F, 0x1161}, {0x1163, 0x1163}, {0x1165, 0x1165}, {0x1167, 0x1167}, {0x1169, 0x1169},
+    {0x116D, 0x116E}, {0x1172, 0x1173}, {0x1175, 0x1175}, {0x119E, 0x119E}, {0x11A8, 0x11A8},
+    {0x11AB, 0x11AB}, {0x11AE, 0x11AF}, {0x11B7, 0x11B8}, {0x11BA, 0x11BA}, {0x11BC, 0x11C2},
+    {0x11EB, 0x11EB}, {0x11F0, 0x11F0}, {0x11F9, 0x11F9}, {0x1E00, 0x1E9B}, {0x1EA0, 0x1EF9},
+    {0x1F00, 0x1F15}, {0x1F18, 0x1F1D}, {0x1F20, 0x1F45}, {0x1F48, 0x1F4D}, {0x1F50, 0x1F57},
+    {0x1F59, 0x1F59}, {0x1F5B, 0x1F5B}, {0x1F5D, 0x1F5D}, {0x1F5F, 0x1F7D}, {0x1F80, 0x1FB4},
+    {0x1FB6, 0x1FBC}, {0x1FBE, 0x1FBE}, {0x1FC2, 0x1FC4}, {0x1FC6, 0x1FCC}, {0x1FD0, 0x1FD3},
+    {0x1FD6, 0x1FDB}, {0x1FE0, 0x1FEC}, {0x1FF2, 0x1FF4}, {0x1FF6, 0x1FFC}, {0x2126, 0x2126},
+    {0x212A, 0x212B}, {0x212E, 0x212E}, {0x2180, 0x2182}, {0x3041, 0x3094}, {0x30A1, 0x30FA},
+    {0x3105, 0x312C}, {0xAC00, 0xD7A3}
+};
+static const RangeIter g_base_end = g_base_begin + sizeof(g_base_begin) / sizeof(QXmlCharRange);
+
+static const QXmlCharRange g_ideographic_begin[] =
+{
+    {0x3007, 0x3007}, {0x3021, 0x3029}, {0x4E00, 0x9FA5}
+};
+static const RangeIter g_ideographic_end = g_ideographic_begin + sizeof(g_ideographic_begin) / sizeof(QXmlCharRange);
+
+bool QXmlUtils::isIdeographic(const QChar c)
+{
+    return rangeContains(g_ideographic_begin, g_ideographic_end, c);
+}
+
+static const QXmlCharRange g_combining_begin[] =
+{
+    {0x0300, 0x0345}, {0x0360, 0x0361}, {0x0483, 0x0486}, {0x0591, 0x05A1}, {0x05A3, 0x05B9},
+    {0x05BB, 0x05BD}, {0x05BF, 0x05BF}, {0x05C1, 0x05C2}, {0x05C4, 0x05C4}, {0x064B, 0x0652},
+    {0x0670, 0x0670}, {0x06D6, 0x06DC}, {0x06DD, 0x06DF}, {0x06E0, 0x06E4}, {0x06E7, 0x06E8},
+    {0x06EA, 0x06ED}, {0x0901, 0x0903}, {0x093C, 0x093C}, {0x093E, 0x094C}, {0x094D, 0x094D},
+    {0x0951, 0x0954}, {0x0962, 0x0963}, {0x0981, 0x0983}, {0x09BC, 0x09BC}, {0x09BE, 0x09BE},
+    {0x09BF, 0x09BF}, {0x09C0, 0x09C4}, {0x09C7, 0x09C8}, {0x09CB, 0x09CD}, {0x09D7, 0x09D7},
+    {0x09E2, 0x09E3}, {0x0A02, 0x0A02}, {0x0A3C, 0x0A3C}, {0x0A3E, 0x0A3E}, {0x0A3F, 0x0A3F},
+    {0x0A40, 0x0A42}, {0x0A47, 0x0A48}, {0x0A4B, 0x0A4D}, {0x0A70, 0x0A71}, {0x0A81, 0x0A83},
+    {0x0ABC, 0x0ABC}, {0x0ABE, 0x0AC5}, {0x0AC7, 0x0AC9}, {0x0ACB, 0x0ACD}, {0x0B01, 0x0B03},
+    {0x0B3C, 0x0B3C}, {0x0B3E, 0x0B43}, {0x0B47, 0x0B48}, {0x0B4B, 0x0B4D}, {0x0B56, 0x0B57},
+    {0x0B82, 0x0B83}, {0x0BBE, 0x0BC2}, {0x0BC6, 0x0BC8}, {0x0BCA, 0x0BCD}, {0x0BD7, 0x0BD7},
+    {0x0C01, 0x0C03}, {0x0C3E, 0x0C44}, {0x0C46, 0x0C48}, {0x0C4A, 0x0C4D}, {0x0C55, 0x0C56},
+    {0x0C82, 0x0C83}, {0x0CBE, 0x0CC4}, {0x0CC6, 0x0CC8}, {0x0CCA, 0x0CCD}, {0x0CD5, 0x0CD6},
+    {0x0D02, 0x0D03}, {0x0D3E, 0x0D43}, {0x0D46, 0x0D48}, {0x0D4A, 0x0D4D}, {0x0D57, 0x0D57},
+    {0x0E31, 0x0E31}, {0x0E34, 0x0E3A}, {0x0E47, 0x0E4E}, {0x0EB1, 0x0EB1}, {0x0EB4, 0x0EB9},
+    {0x0EBB, 0x0EBC}, {0x0EC8, 0x0ECD}, {0x0F18, 0x0F19}, {0x0F35, 0x0F35}, {0x0F37, 0x0F37},
+    {0x0F39, 0x0F39}, {0x0F3E, 0x0F3E}, {0x0F3F, 0x0F3F}, {0x0F71, 0x0F84}, {0x0F86, 0x0F8B},
+    {0x0F90, 0x0F95}, {0x0F97, 0x0F97}, {0x0F99, 0x0FAD}, {0x0FB1, 0x0FB7}, {0x0FB9, 0x0FB9},
+    {0x20D0, 0x20DC}, {0x20E1, 0x20E1}, {0x302A, 0x302F}, {0x3099, 0x3099}, {0x309A, 0x309A}
+};
+static const RangeIter g_combining_end = g_combining_begin + sizeof(g_combining_begin) / sizeof(QXmlCharRange);
+
+bool QXmlUtils::isCombiningChar(const QChar c)
+{
+    return rangeContains(g_combining_begin, g_combining_end, c);
+}
+
+// [88] Digit ::= ...
+static const QXmlCharRange g_digit_begin[] =
+{
+    {0x0030, 0x0039}, {0x0660, 0x0669}, {0x06F0, 0x06F9}, {0x0966, 0x096F}, {0x09E6, 0x09EF},
+    {0x0A66, 0x0A6F}, {0x0AE6, 0x0AEF}, {0x0B66, 0x0B6F}, {0x0BE7, 0x0BEF}, {0x0C66, 0x0C6F},
+    {0x0CE6, 0x0CEF}, {0x0D66, 0x0D6F}, {0x0E50, 0x0E59}, {0x0ED0, 0x0ED9}, {0x0F20, 0x0F29}
+};
+static const RangeIter g_digit_end = g_digit_begin + sizeof(g_digit_begin) / sizeof(QXmlCharRange);
+
+bool QXmlUtils::isDigit(const QChar c)
+{
+    return rangeContains(g_digit_begin, g_digit_end, c);
+}
+
+// [89] Extender ::= ...
+static const QXmlCharRange g_extender_begin[] =
+{
+    {0x00B7, 0x00B7}, {0x02D0, 0x02D0}, {0x02D1, 0x02D1}, {0x0387, 0x0387}, {0x0640, 0x0640},
+    {0x0E46, 0x0E46}, {0x0EC6, 0x0EC6}, {0x3005, 0x3005}, {0x3031, 0x3035}, {0x309D, 0x309E},
+    {0x30FC, 0x30FE}
+};
+static const RangeIter g_extender_end = g_extender_begin + sizeof(g_extender_begin) / sizeof(QXmlCharRange);
+
+bool QXmlUtils::isExtender(const QChar c)
+{
+    return rangeContains(g_extender_begin, g_extender_end, c);
+}
+
+bool QXmlUtils::isBaseChar(const QChar c)
+{
+    return rangeContains(g_base_begin, g_base_end, c);
+}
+
+/*!
+   \internal
+
+   Determines whether \a encName is a valid instance of production [81]EncName in the XML 1.0
+   specification. If it is, true is returned, otherwise false.
+
+    \sa \l {http://www.w3.org/TR/REC-xml/#NT-EncName}
+           {Extensible Markup Language (XML) 1.0 (Fourth Edition), [81] EncName}
+ */
+bool QXmlUtils::isEncName(const QString &encName)
+{
+    /* Right, we here have a dependency on QRegExp. Writing a manual parser to
+     * replace that regexp is probably a 70 lines so I prioritize this to when
+     * the dependency is considered alarming, or when the rest of the bugs
+     * are fixed. */
+    const QRegExp encNameRegExp(QLatin1String("[A-Za-z][A-Za-z0-9._\\-]*"));
+    Q_ASSERT(encNameRegExp.isValid());
+
+    return encNameRegExp.exactMatch(encName);
+}
+
+/*!
+ \internal
+
+   Determines whether \a c is a valid instance of production [84]Letter in the XML 1.0
+   specification. If it is, true is returned, otherwise false.
+
+    \sa \l {http://www.w3.org/TR/REC-xml/#NT-Letter}
+           {Extensible Markup Language (XML) 1.0 (Fourth Edition), [84] Letter}
+ */
+bool QXmlUtils::isLetter(const QChar c)
+{
+    return isBaseChar(c) || isIdeographic(c);
+}
+
+/*!
+   \internal
+
+   Determines whether \a c is a valid instance of production [2]Char in the XML 1.0
+   specification. If it is, true is returned, otherwise false.
+
+    \sa \l {http://www.w3.org/TR/REC-xml/#NT-Char}
+           {Extensible Markup Language (XML) 1.0 (Fourth Edition), [2] Char}
+ */
+bool QXmlUtils::isChar(const QChar c)
+{
+    return (c.unicode() >= 0x0020 && c.unicode() <= 0xD7FF)
+           || c.unicode() == 0x0009
+           || c.unicode() == 0x000A
+           || c.unicode() == 0x000D
+           || (c.unicode() >= 0xE000 && c.unicode() <= 0xFFFD);
+}
+
+/*!
+   \internal
+
+   Determines whether \a c is a valid instance of
+   production [4]NameChar in the XML 1.0 specification. If it
+   is, true is returned, otherwise false.
+
+    \sa \l {http://www.w3.org/TR/REC-xml/#NT-NameChar}
+           {Extensible Markup Language (XML) 1.0 (Fourth Edition), [4] NameChar}
+ */
+bool QXmlUtils::isNameChar(const QChar c)
+{
+    return isBaseChar(c)
+           || isDigit(c)
+           || c.unicode() == '.'
+           || c.unicode() == '-'
+           || c.unicode() == '_'
+           || c.unicode() == ':'
+           || isCombiningChar(c)
+           || isIdeographic(c)
+           || isExtender(c);
+}
+
+/*!
+   \internal
+
+   Determines whether \a c is a valid instance of
+   production [12] PubidLiteral in the XML 1.0 specification. If it
+   is, true is returned, otherwise false.
+
+    \sa \l {http://www.w3.org/TR/REC-xml/#NT-PubidLiteral}
+           {Extensible Markup Language (XML) 1.0 (Fourth Edition), [12] PubidLiteral}
+ */
+bool QXmlUtils::isPublicID(const QString &candidate)
+{
+    const int len = candidate.length();
+
+    for(int i = 0; i < len; ++i)
+    {
+        const ushort cp = candidate.at(i).unicode();
+
+        if ((cp >= 'a' && cp <= 'z')
+            || (cp >= 'A' && cp <= 'Z')
+            || (cp >= '0' && cp <= '9'))
+        {
+            continue;
+        }
+
+        switch (cp)
+        {
+            /* Fallthrough all these. */
+            case 0x20:
+            case 0x0D:
+            case 0x0A:
+            case '-':
+            case '\'':
+            case '(':
+            case ')':
+            case '+':
+            case ',':
+            case '.':
+            case '/':
+            case ':':
+            case '=':
+            case '?':
+            case ';':
+            case '!':
+            case '*':
+            case '#':
+            case '@':
+            case '$':
+            case '_':
+            case '%':
+                continue;
+            default:
+                return false;
+        }
+    }
+
+    return true;
+}
+
+/*!
+   \internal
+
+   Determines whether \a c is a valid instance of
+   production [4]NCName in the XML 1.0 Namespaces specification. If it
+   is, true is returned, otherwise false.
+
+    \sa \l {http://www.w3.org/TR/REC-xml-names/#NT-NCName}
+           {W3CNamespaces in XML 1.0 (Second Edition), [4] NCName}
+ */
+bool QXmlUtils::isNCName(const QStringRef &ncName)
+{
+    if(ncName.isEmpty())
+        return false;
+
+    const QChar first(ncName.at(0));
+
+    if(!QXmlUtils::isLetter(first) && first.unicode() != '_' && first.unicode() != ':')
+        return false;
+
+    const int len = ncName.size();
+    for(int i = 0; i < len; ++i)
+    {
+        const QChar &at = ncName.at(i);
+        if(!QXmlUtils::isNameChar(at) || at == QLatin1Char(':'))
+            return false;
+    }
+
+    return true;
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/xml/qxmlutils_p.h b/src/corelib/xml/qxmlutils_p.h
new file mode 100644
index 0000000000..5230bb7ca0
--- /dev/null
+++ b/src/corelib/xml/qxmlutils_p.h
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QXMLUTILS_P_H
+#define QXMLUTILS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp.  This header
+// file may change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QString>
+
+QT_BEGIN_NAMESPACE
+
+class QString;
+class QChar;
+class QXmlCharRange;
+
+/*!
+  \internal
+  \short This class contains helper functions related to XML, for validating character classes,
+         productions in the XML specification, and so on.
+ */
+class Q_CORE_EXPORT QXmlUtils
+{
+public:
+    static bool isEncName(const QString &encName);
+    static bool isChar(const QChar c);
+    static bool isNameChar(const QChar c);
+    static bool isLetter(const QChar c);
+    static bool isNCName(const QStringRef &ncName);
+    static inline bool isNCName(const QString &ncName) { return isNCName(&ncName); }
+    static bool isPublicID(const QString &candidate);
+
+private:
+    typedef const QXmlCharRange *RangeIter;
+    static bool rangeContains(RangeIter begin, RangeIter end, const QChar c);
+    static bool isBaseChar(const QChar c);
+    static bool isDigit(const QChar c);
+    static bool isExtender(const QChar c);
+    static bool isIdeographic(const QChar c);
+    static bool isCombiningChar(const QChar c);
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/xml/xml.pri b/src/corelib/xml/xml.pri
new file mode 100644
index 0000000000..2401c09ab7
--- /dev/null
+++ b/src/corelib/xml/xml.pri
@@ -0,0 +1,10 @@
+# Qt xml core module
+
+HEADERS +=    \
+	xml/qxmlstream.h \
+	xml/qxmlstream_p.h \
+	xml/qxmlutils_p.h
+
+SOURCES +=    \
+	xml/qxmlstream.cpp \
+	xml/qxmlutils.cpp